@import url("https://fonts.googleapis.com/css2?family=Inter+Tight:wght@500;600;700&family=Inter:wght@400;500;600;700&family=IBM+Plex+Mono:wght@500;600&display=swap");

:root {
  --bg: #030712;
  --bg-soft: #0a1224;
  --surface: #0d1830;
  --surface-2: #121f3a;
  --panel: rgba(13, 24, 48, 0.88);
  --paper: #f8fbff;
  --paper-soft: #eef4ff;
  --ink: #e8f0ff;
  --paper-ink: #071226;
  --muted: #8b9bb5;
  --dim: #5f7090;
  --line: rgba(232, 240, 255, 0.12);
  --line-strong: rgba(232, 240, 255, 0.22);
  --paper-line: rgba(9, 32, 72, 0.12);
  --blue: #0b61ff;
  --blue-bright: #2b8cff;
  --blue-deep: #0047e8;
  --violet: #7c3cff;
  --cyan: #38d6ff;
  --green: #4ade80;
  --amber: #fbbf24;
  --max: 1180px;
  --radius: 8px;
  --radius-sm: 8px;
  --radius-xs: 6px;
  --sans: Inter, "Segoe UI", system-ui, sans-serif;
  --display: "Inter Tight", Inter, "Segoe UI", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --shadow: 0 24px 80px -32px rgba(0, 0, 0, 0.65);
  --glow: 0 0 80px rgba(11, 97, 255, 0.18);
  --header-h: 73px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); overflow-anchor: none; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(11, 97, 255, 0.22), transparent 55%),
    radial-gradient(circle at 85% 15%, rgba(124, 60, 255, 0.12), transparent 35%),
    linear-gradient(180deg, #030712 0%, #050a16 100%);
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.35;
  background:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, black 0%, transparent 85%);
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
h1, h2, h3, h4, p { margin: 0; }
h1, h2, h3, h4 { font-family: var(--display); font-weight: 700; line-height: 1.15; letter-spacing: 0; }
button, input, textarea, select { font: inherit; }
button { color: inherit; cursor: pointer; }
ul { margin: 0; padding: 0; list-style: none; }
::selection { background: rgba(11, 97, 255, 0.35); color: #fff; }
:focus-visible { outline: 2px solid rgba(56, 214, 255, 0.5); outline-offset: 3px; }

.wrap { width: min(var(--max), calc(100% - 40px)); margin-inline: auto; }

.page-progress {
  position: fixed; top: 0; left: 0; right: 0; height: 2px;
  background: rgba(255,255,255,.06); z-index: 200;
}
.page-progress span {
  display: block; height: 100%;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.1s linear;
}

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 100;
  border-bottom: 1px solid var(--line);
  background: rgba(3, 7, 18, 0.82);
  backdrop-filter: blur(16px) saturate(1.2);
}
.nav {
  height: 72px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.brand { display: inline-flex; align-items: center; gap: 11px; min-width: 0; }
.brand-mark { width: 38px; height: 38px; flex: none; filter: drop-shadow(0 0 16px rgba(11, 97, 255, 0.35)); }
.brand-name { display: block; font-weight: 800; color: #fff; line-height: 1; font-size: 17px; letter-spacing: 0.12em; }
.brand-name em { color: var(--blue-bright); font-style: normal; }
.brand-line { display: block; color: var(--muted); font-size: 10px; margin-top: 3px; letter-spacing: 0.04em; }
.nav-links { display: flex; gap: 28px; color: var(--muted); font-size: 14px; font-weight: 600; }
.nav-links a { padding: 6px 0; border-bottom: 2px solid transparent; transition: color 0.2s, border-color 0.2s; }
.nav-links a:hover, .nav-links a.active { color: #fff; border-color: var(--blue); }
.nav-actions { display: flex; align-items: center; gap: 8px; }
.nav-toggle {
  display: none; width: 40px; height: 40px;
  border: 1px solid var(--line); border-radius: var(--radius-xs);
  background: rgba(255,255,255,.04); align-items: center; justify-content: center;
}
.nav-toggle svg { width: 20px; height: 20px; }
.mobile-panel { display: none; }
body.menu-open { overflow: hidden; }
main { overflow-anchor: none; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 42px; padding: 10px 18px;
  border: 1px solid transparent; border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 600; line-height: 1;
  transition: transform 0.18s, box-shadow 0.18s, background 0.18s, border-color 0.18s;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(135deg, var(--blue), var(--blue-deep));
  color: #fff; box-shadow: 0 12px 40px -16px rgba(11, 97, 255, 0.8);
}
.btn-primary:hover { box-shadow: 0 16px 48px -12px rgba(11, 97, 255, 0.9); }
.btn-ghost {
  border-color: var(--line-strong);
  background: rgba(255,255,255,.04); color: var(--ink);
}
.btn-ghost:hover { border-color: rgba(56, 214, 255, 0.4); background: rgba(56, 214, 255, 0.06); }

/* Typography helpers */
.kicker {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--cyan); font-family: var(--mono);
  font-size: 11px; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; margin-bottom: 14px;
}
.kicker::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--blue); box-shadow: 0 0 0 4px rgba(11, 97, 255, 0.2);
}
.eyebrow {
  display: block; color: var(--cyan); font-family: var(--mono);
  font-size: 11px; font-weight: 600; letter-spacing: 0.06em;
  text-transform: uppercase; margin-bottom: 10px;
}
.lead { font-size: 1.125rem; color: var(--muted); max-width: 54ch; line-height: 1.7; }

.section { padding: clamp(56px, 7vh, 64px) 0; }
main > section,
.section,
.page-hero,
.cta-band {
  scroll-margin-top: var(--header-h);
}
.section.alt { background: rgba(255,255,255,.02); border-block: 1px solid var(--line); }
.light-section {
  background: var(--paper-soft); color: var(--paper-ink);
  border-block: 1px solid var(--paper-line);
}
.light-section .kicker { color: var(--blue-deep); }
.light-section .kicker::before { background: var(--blue); box-shadow: 0 0 0 4px rgba(11, 97, 255, 0.15); }
.light-section .lead, .light-section .section-head > p { color: #4a5d7a; }
.light-section h2, .light-section h3 { color: var(--paper-ink); }

.section-head {
  display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 32px;
  align-items: start; margin-bottom: 48px;
}
.section-head h2 { font-size: clamp(1.65rem, 3vw, 2.35rem); }
.section-head > p { color: var(--muted); font-size: 1.05rem; line-height: 1.7; }
.section-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 40px; }

/* Hero */
.hero {
  min-height: calc(100svh - var(--header-h));
  display: grid;
  align-items: center;
  padding: clamp(32px, 4.4vh, 48px) 0 clamp(24px, 3.4vh, 36px);
  position: relative;
  overflow: hidden;
}
.hero-grid {
  display: grid; grid-template-columns: 1fr 1.05fr; gap: 46px; align-items: center;
}
.hero-title { font-size: clamp(2rem, 3.55vw, 2.78rem); margin-bottom: 18px; max-width: 20.5ch; }
.hero-copy .lead { margin-bottom: 24px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 24px; }

.proof-strip {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px;
}
.proof {
  padding: 12px 14px; border-radius: var(--radius-sm);
  border: 1px solid var(--line); background: rgba(255,255,255,.03);
}
.proof b {
  display: block; font-family: var(--mono); font-size: 11px;
  color: var(--cyan); letter-spacing: 0.06em; margin-bottom: 4px;
}
.proof span { display: block; font-size: 13px; color: var(--muted); line-height: 1.4; }

/* Platform UI mockup */
.platform-mock {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: linear-gradient(180deg, #0a1428 0%, #071020 100%);
  box-shadow: var(--shadow), var(--glow);
  overflow: hidden;
}
.platform-mock-bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px; border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,.03);
}
.platform-dots { display: flex; gap: 6px; }
.platform-dots i {
  width: 10px; height: 10px; border-radius: 50%; display: block;
  background: rgba(255,255,255,.15);
}
.platform-dots i:first-child { background: #ff5f57; }
.platform-dots i:nth-child(2) { background: #febc2e; }
.platform-dots i:nth-child(3) { background: #28c840; }
.platform-mock-bar span { font-family: var(--mono); font-size: 11px; color: var(--muted); }
.platform-mock-body { display: grid; grid-template-columns: 52px 1fr; min-height: 380px; }
.platform-sidebar {
  border-right: 1px solid var(--line);
  padding: 12px 8px; display: flex; flex-direction: column; gap: 6px;
}
.platform-nav-item {
  width: 36px; height: 36px; border-radius: var(--radius-xs);
  display: grid; place-items: center; font-size: 14px;
  color: var(--muted); background: transparent;
  border: 1px solid transparent; transition: all 0.2s;
}
.platform-nav-item.active {
  background: rgba(11, 97, 255, 0.15);
  border-color: rgba(11, 97, 255, 0.35);
  color: var(--blue-bright);
}
.platform-main { padding: 16px; display: flex; flex-direction: column; gap: 12px; }
.platform-topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.platform-workspace {
  font-size: 12px; font-weight: 600; color: #fff;
  padding: 6px 12px; border-radius: var(--radius-xs);
  border: 1px solid var(--line); background: rgba(255,255,255,.04);
}
.platform-agent-select {
  flex: 1; max-width: 220px;
  font-size: 12px; padding: 6px 12px; border-radius: var(--radius-xs);
  border: 1px solid rgba(11, 97, 255, 0.35);
  background: rgba(11, 97, 255, 0.1); color: var(--blue-bright);
}
.platform-status { font-family: var(--mono); font-size: 10px; color: var(--green); }
.platform-chat {
  flex: 1; border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: rgba(0,0,0,.2); padding: 14px; display: flex; flex-direction: column; gap: 10px;
}
.chat-msg {
  max-width: 85%; padding: 10px 14px; border-radius: 12px;
  font-size: 13px; line-height: 1.5;
}
.chat-msg.user {
  align-self: flex-end;
  background: rgba(11, 97, 255, 0.2); border: 1px solid rgba(11, 97, 255, 0.3);
}
.chat-msg.agent {
  align-self: flex-start;
  background: rgba(255,255,255,.05); border: 1px solid var(--line);
}
.chat-msg.agent .source {
  display: block; margin-top: 6px; font-size: 11px; color: var(--cyan);
  font-family: var(--mono);
}
.platform-modules {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px;
}
.platform-module {
  padding: 8px 10px; border-radius: var(--radius-xs);
  border: 1px solid var(--line); background: rgba(255,255,255,.03);
  font-size: 10px; color: var(--muted); text-align: center;
}
.platform-module strong { display: block; color: #fff; font-size: 11px; margin-bottom: 2px; }

/* Brand ribbon */
.brand-ribbon { padding: 56px 0 64px; }
.ribbon-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.ribbon-item {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 20px; border-radius: var(--radius);
  border: 1px solid var(--line); background: rgba(255,255,255,.03);
  transition: border-color 0.2s, transform 0.2s;
}
.ribbon-item:hover { border-color: rgba(11, 97, 255, 0.35); transform: translateY(-2px); }
.ribbon-item img { width: 32px; height: 32px; flex: none; opacity: 0.9; }
.ribbon-item b { display: block; font-size: 15px; margin-bottom: 4px; }
.ribbon-item span { display: block; font-size: 13px; color: var(--muted); line-height: 1.5; }

/* Module grid */
.module-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
}
.module-card {
  padding: 22px 18px; border-radius: var(--radius);
  border: 1px solid var(--line); background: rgba(255,255,255,.03);
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.module-card:hover {
  border-color: rgba(11, 97, 255, 0.35);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px -20px rgba(11, 97, 255, 0.4);
}
.module-icon {
  width: 40px; height: 40px; border-radius: var(--radius-xs);
  display: grid; place-items: center; font-size: 18px;
  background: rgba(11, 97, 255, 0.12); border: 1px solid rgba(11, 97, 255, 0.25);
  margin-bottom: 14px;
}
.module-card h3 { font-size: 15px; margin-bottom: 6px; }
.module-card p { font-size: 13px; color: var(--muted); line-height: 1.55; }

/* Operating model */
#operating-model.section {
  padding: clamp(40px, 5vh, 48px) 0;
}

#operating-model .section-head {
  margin-bottom: 28px;
}

#operating-model .section-head h2 {
  font-size: clamp(1.6rem, 2.55vw, 2.1rem);
}

#operating-model .section-head > p {
  font-size: 1rem;
  line-height: 1.6;
}

.visual-model {
  display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: start;
}
.operating-model { display: grid; gap: 12px; }
.model-step {
  padding: 18px 20px; border-radius: var(--radius-sm);
  border: 1px solid var(--line); background: rgba(255,255,255,.03);
}
.model-step span {
  display: inline-block; font-family: var(--mono); font-size: 11px;
  color: var(--cyan); margin-bottom: 8px;
}
.model-step h3 { font-size: 16px; margin-bottom: 6px; }
.model-step p { font-size: 14px; color: var(--muted); line-height: 1.55; }
.model-step.accent { border-color: rgba(11, 97, 255, 0.4); background: rgba(11, 97, 255, 0.08); }
.model-step.result { border-color: rgba(74, 222, 128, 0.3); background: rgba(74, 222, 128, 0.06); }

.flow-visual {
  padding: 28px; border-radius: var(--radius);
  border: 1px solid var(--paper-line); background: #fff;
  box-shadow: 0 20px 60px -30px rgba(7, 18, 38, 0.2);
}
.flow-visual.dark {
  background: linear-gradient(180deg, #0a1428, #071020);
  border-color: var(--line); box-shadow: var(--shadow);
}
.flow-cycle {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px;
}
.flow-node {
  padding: 16px; border-radius: var(--radius-sm);
  border: 1px solid var(--paper-line); background: var(--paper-soft);
  text-align: center;
}
.flow-visual.dark .flow-node {
  border-color: var(--line); background: rgba(255,255,255,.04);
}
.flow-node b { display: block; font-size: 14px; margin-bottom: 4px; }
.flow-node small { font-size: 12px; color: var(--dim); }
.flow-visual.dark .flow-node small { color: var(--muted); }
.flow-node.highlight {
  border-color: rgba(11, 97, 255, 0.4);
  background: rgba(11, 97, 255, 0.08);
}
.flow-center {
  grid-column: 1 / -1; text-align: center; padding: 12px;
}
.flow-center img { width: 48px; height: 48px; margin: 0 auto 8px; }

@media (min-width: 1101px) {
  #operating-model .visual-model {
    gap: 28px;
    align-items: stretch;
  }

  #operating-model .operating-model {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-content: stretch;
  }

  #operating-model .model-step {
    min-height: 0;
    padding: 14px 16px;
  }

  #operating-model .model-step span {
    margin-bottom: 5px;
  }

  #operating-model .model-step h3 {
    font-size: 15px;
    margin-bottom: 4px;
  }

  #operating-model .model-step p {
    font-size: 13px;
    line-height: 1.42;
  }

  #operating-model .flow-visual {
    padding: 22px;
    display: grid;
    align-items: center;
  }

  #operating-model .flow-cycle {
    gap: 10px;
  }

  #operating-model .flow-node {
    padding: 13px 14px;
  }

  #operating-model .flow-center {
    padding: 8px;
  }

  #operating-model .flow-center img {
    width: 40px;
    height: 40px;
    margin-bottom: 0;
  }
}

/* Product tabs */
.product-switch-wide { display: grid; gap: 24px; }
#products,
#products * {
  overflow-anchor: none;
}
.tab-rail {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px;
}
.product-tab {
  padding: 16px 14px; border-radius: var(--radius-sm);
  border: 1px solid var(--line); background: rgba(255,255,255,.03);
  text-align: left; transition: all 0.2s;
}
.product-tab span {
  display: block; font-family: var(--mono); font-size: 10px;
  color: var(--muted); margin-bottom: 6px;
}
.product-tab strong { display: block; font-size: 13px; line-height: 1.35; }
.product-tab.active, .product-tab:hover {
  border-color: rgba(11, 97, 255, 0.45);
  background: rgba(11, 97, 255, 0.1);
}
.product-tab.active strong { color: var(--blue-bright); }
.product-panel { display: none; animation: fadeIn 0.35s ease; }
.product-panel.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.product-stage {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: rgba(255,255,255,.02); overflow: hidden;
}

@media (min-width: 1101px) {
  body[data-page="home"] .product-stage { min-height: 403px; }
}
.stage-head {
  padding: 28px 28px 0; display: grid;
  grid-template-columns: 1.2fr 0.8fr; gap: 24px;
}
.stage-head h3 { font-size: 1.35rem; margin-top: 8px; }
.stage-head > p { color: var(--muted); font-size: 14px; line-height: 1.6; }
.stage-body {
  padding: 24px 28px 28px;
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 20px;
}
.mock-console {
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: rgba(0,0,0,.25); padding: 16px;
  display: flex; flex-direction: column; gap: 12px;
}
.console-bar {
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--mono); font-size: 11px; color: var(--muted);
  padding-bottom: 10px; border-bottom: 1px solid var(--line);
}
.mock-card {
  padding: 14px; border-radius: var(--radius-xs);
  border: 1px solid var(--line); background: rgba(255,255,255,.04);
}
.mock-card.accent { border-color: rgba(11, 97, 255, 0.35); background: rgba(11, 97, 255, 0.08); }
.mock-card h4 { font-size: 14px; margin-bottom: 6px; }
.mock-card p { font-size: 13px; color: var(--muted); line-height: 1.55; }
.mini-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.mini-metric {
  padding: 10px; border-radius: var(--radius-xs);
  border: 1px solid var(--line); text-align: center;
}
.mini-metric span { display: block; font-size: 10px; color: var(--muted); margin-bottom: 4px; }
.mini-metric b { font-size: 14px; color: var(--cyan); }

.product-visual {
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: linear-gradient(180deg, rgba(11,97,255,0.06), rgba(0,0,0,.2));
  padding: 20px; min-height: 220px;
  display: flex; flex-direction: column; gap: 10px;
}
.product-visual-row {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: var(--radius-xs);
  border: 1px solid var(--line); background: rgba(255,255,255,.04);
  font-size: 13px;
}
.product-visual-row .dot {
  width: 8px; height: 8px; border-radius: 50%; flex: none;
  background: var(--green);
}
.product-visual-row .dot.pending { background: var(--amber); }
.product-visual-row .dot.call { background: var(--cyan); }

/* Comparison */
.comparison-section .section-head { margin-bottom: 24px; }
.comparison-section .section-head h2 { font-size: clamp(1.55rem, 2.45vw, 2.15rem); max-width: 26ch; }
.comparison-section .section-head > p { font-size: 1rem; line-height: 1.6; }
.comparison-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 24px;
}
.comparison-card {
  padding: 22px 24px; border-radius: var(--radius);
  border: 1px solid var(--line); background: rgba(255,255,255,.03);
}
.comparison-card.platform {
  border-color: rgba(11, 97, 255, 0.4);
  background: linear-gradient(135deg, rgba(11, 97, 255, 0.1), rgba(124, 60, 255, 0.06));
}
.comparison-card > span {
  display: block; font-family: var(--mono); font-size: 11px;
  color: var(--muted); margin-bottom: 8px; text-transform: uppercase;
}
.comparison-card.platform > span { color: var(--cyan); }
.comparison-card h3 { font-size: 1.08rem; margin-bottom: 12px; }
.comparison-card li {
  position: relative; padding-left: 18px; margin-bottom: 7px;
  font-size: 13px; color: var(--muted); line-height: 1.45;
}
.comparison-card li::before {
  content: "→"; position: absolute; left: 0; color: var(--dim);
}
.comparison-card.platform li::before { color: var(--blue-bright); }

.compare-table {
  border: 1px solid var(--paper-line); border-radius: var(--radius);
  overflow: hidden; background: #fff;
}
.compare-table-row {
  display: grid; grid-template-columns: 1fr 1fr 1fr;
  border-bottom: 1px solid var(--paper-line);
}
.compare-table-row:last-child { border-bottom: 0; }
.compare-table-row.head {
  background: var(--paper-soft); font-weight: 600; font-size: 13px;
}
.compare-table-row > div {
  padding: 12px 18px; font-size: 13px; color: #4a5d7a;
}
.compare-table-row.head > div { color: var(--paper-ink); }
.compare-table-row > div:first-child { font-weight: 600; color: var(--paper-ink); }
.compare-table-row > div.highlight { color: var(--blue-deep); font-weight: 600; }

/* Feature groups */
.feature-groups {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
}
.feature-group {
  padding: 22px 18px; border-radius: var(--radius);
  border: 1px solid var(--paper-line); background: #fff;
  color: var(--paper-ink);
  transition: transform 0.2s, box-shadow 0.2s;
}
.feature-group:hover { transform: translateY(-2px); box-shadow: 0 12px 40px -20px rgba(7,18,38,0.15); }
.feature-group span {
  display: inline-block; font-family: var(--mono); font-size: 11px;
  color: var(--blue-deep); margin-bottom: 10px;
}
.feature-group h3 { font-size: 15px; margin-bottom: 8px; color: var(--paper-ink); }
.feature-group p { font-size: 13px; color: #304464; line-height: 1.55; }
.section.alt .feature-group {
  border-color: rgba(232, 240, 255, 0.18); background: rgba(255,255,255,.055);
  color: var(--ink);
}
.section.alt .feature-group span { color: var(--cyan); }
.section.alt .feature-group h3 { color: #f3f7ff; }
.section.alt .feature-group p { color: #b8c6dd; }

/* CTA band */
.cta-band {
  padding: 64px 0; text-align: center;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(11,97,255,0.08), transparent);
}
.cta-band h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); margin-bottom: 14px; }
.cta-band p { color: var(--muted); max-width: 52ch; margin: 0 auto 24px; }
.cta-band .hero-actions { justify-content: center; margin-bottom: 0; }

/* Page hero (inner pages) */
.page-hero {
  padding: 56px 0 44px;
  border-bottom: 1px solid var(--line);
}
.page-hero h1 { font-size: clamp(1.7rem, 3.2vw, 2.55rem); max-width: 23ch; margin-bottom: 16px; }
.page-hero p { color: var(--muted); font-size: 1.05rem; max-width: 62ch; line-height: 1.7; }

/* Outcome board */
.outcome-board {
  display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; gap: 12px; align-items: stretch;
}
.outcome-column {
  padding: 22px 20px; border-radius: var(--radius);
  border: 1px solid var(--paper-line); background: #fff;
}
.light-section .outcome-column { border-color: var(--paper-line); }
.section:not(.light-section) .outcome-column {
  border-color: var(--line); background: rgba(255,255,255,.03);
}
.outcome-column > span {
  display: block; font-family: var(--mono); font-size: 11px;
  color: var(--blue); margin-bottom: 8px; text-transform: uppercase;
}
.outcome-column b { display: block; font-size: 15px; margin-bottom: 8px; line-height: 1.35; }
.outcome-column small { display: block; font-size: 13px; color: var(--dim); line-height: 1.5; }
.section:not(.light-section) .outcome-column small { color: var(--muted); }
.outcome-column.accent-step {
  border-color: rgba(11, 97, 255, 0.35);
  background: rgba(11, 97, 255, 0.08);
}
.outcome-arrow {
  display: grid; place-items: center;
  font-size: 20px; color: var(--blue); font-weight: 700;
}

/* Voice grid */
.voice-capability-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 32px;
}
.voice-capability-grid article {
  padding: 22px 18px; border-radius: var(--radius);
  border: 1px solid var(--line); background: rgba(255,255,255,.03);
}
.voice-capability-grid span {
  display: inline-block; font-family: var(--mono); font-size: 11px;
  color: var(--cyan); margin-bottom: 10px;
}
.voice-capability-grid h3 { font-size: 15px; margin-bottom: 8px; }
.voice-capability-grid p { font-size: 13px; color: var(--muted); line-height: 1.55; }

/* Library cards */
.library-grid { display: grid; gap: 10px; }
.library-card {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: rgba(255,255,255,.03); overflow: hidden;
}
.library-card summary {
  display: grid; grid-template-columns: auto 1fr auto;
  gap: 16px; align-items: center; padding: 20px 24px;
  cursor: pointer; list-style: none;
}
.library-card summary::-webkit-details-marker { display: none; }
.library-card summary span {
  font-family: var(--mono); font-size: 12px; color: var(--cyan);
}
.library-card summary h3 { font-size: 16px; }
.library-card summary p { grid-column: 2; font-size: 13px; color: var(--muted); margin-top: 4px; }
.library-card summary small {
  grid-column: 2; font-family: var(--mono); font-size: 11px; color: var(--dim);
}
.library-card summary::after {
  content: "+"; font-size: 20px; color: var(--blue); font-weight: 300;
  transition: transform 0.2s;
}
.library-card[open] summary::after { transform: rotate(45deg); }
.example-list {
  padding: 0 24px 20px 56px; border-top: 1px solid var(--line);
}
.example-list b { display: block; font-size: 12px; color: var(--cyan); margin: 16px 0 10px; }
.example-list li {
  position: relative; padding-left: 16px; margin-bottom: 8px;
  font-size: 14px; color: var(--muted); line-height: 1.55;
}
.example-list li::before { content: "·"; position: absolute; left: 0; color: var(--blue); }

/* Builder showcase */
.builder-showcase {
  display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: start;
}
.builder-showcase.reverse { direction: rtl; }
.builder-showcase.reverse > * { direction: ltr; }
.builder-copy { min-width: 0; }
.builder-copy h3 { font-size: 1.25rem; margin-bottom: 16px; }
.feature-checks { display: grid; gap: 10px; }
.feature-checks span {
  position: relative; padding-left: 22px; font-size: 14px; color: var(--muted); line-height: 1.55;
}
.feature-checks span::before {
  content: "✓"; position: absolute; left: 0; color: var(--green); font-weight: 700;
}
.light-section .feature-checks span { color: #4a5d7a; }

/* Architecture */
.architecture-map {
  display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 32px; align-items: center;
}
.map-panel h3 { font-size: 1.35rem; margin-bottom: 12px; }
.map-panel p { color: var(--muted); font-size: 14px; line-height: 1.6; margin-bottom: 16px; }
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  padding: 6px 12px; border-radius: 999px;
  border: 1px solid var(--line); background: rgba(255,255,255,.04);
  font-family: var(--mono); font-size: 11px; color: var(--muted);
}

.stack-visual {
  display: grid; gap: 8px;
}
.stack-layer {
  padding: 16px 20px; border-radius: var(--radius-sm);
  border: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center;
  font-size: 14px; transition: border-color 0.2s;
}
.stack-layer:hover { border-color: rgba(11, 97, 255, 0.35); }
.stack-layer span { color: var(--muted); font-size: 12px; font-family: var(--mono); }
.stack-layer.experience { background: rgba(11, 97, 255, 0.12); border-color: rgba(11, 97, 255, 0.3); }
.stack-layer.runtime { background: rgba(124, 60, 255, 0.08); }
.stack-layer.data { background: rgba(56, 214, 255, 0.06); }
.stack-layer.control { background: rgba(74, 222, 128, 0.06); }

/* Process cards */
.process-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 28px;
}
.process-card {
  padding: 24px 20px; border-radius: var(--radius);
  border: 1px solid var(--line); background: rgba(255,255,255,.03);
}
.process-card > span {
  display: inline-block; font-family: var(--mono); font-size: 11px;
  color: var(--cyan); margin-bottom: 10px; text-transform: uppercase;
}
.process-card h3 { font-size: 16px; margin-bottom: 8px; }
.process-card p { font-size: 13px; color: var(--muted); line-height: 1.55; }

/* Flow grid */
.flow-grid-four {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 28px;
}
.flow-box {
  padding: 20px 16px; border-radius: var(--radius-sm);
  border: 1px solid var(--line); background: rgba(255,255,255,.03);
}
.flow-box span {
  display: inline-block; font-family: var(--mono); font-size: 11px;
  color: var(--cyan); margin-bottom: 8px;
}
.flow-box h3 { font-size: 14px; margin-bottom: 6px; }
.flow-box p { font-size: 13px; color: var(--muted); line-height: 1.5; }
.platform-summary {
  margin-top: 24px; padding: 18px 20px; border-radius: var(--radius-sm);
  border: 1px solid var(--line); background: rgba(11, 97, 255, 0.06);
  font-size: 14px; line-height: 1.6;
}
.platform-summary strong { color: var(--cyan); }

/* Contact */
.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: start;
}
.contact-card {
  padding: 32px; border-radius: var(--radius);
  border: 1px solid var(--line); background: rgba(255,255,255,.03);
}
.contact-card h3 { font-size: 1.25rem; margin-bottom: 12px; }
.contact-card > p { color: var(--muted); font-size: 14px; line-height: 1.6; margin-bottom: 20px; }
.agenda { display: grid; gap: 14px; }
.agenda li { display: flex; gap: 14px; align-items: flex-start; }
.agenda i {
  width: 28px; height: 28px; border-radius: 50%; flex: none;
  display: grid; place-items: center; font-style: normal;
  font-size: 12px; font-weight: 700;
  background: rgba(11, 97, 255, 0.15); color: var(--blue-bright);
}
.agenda b { display: block; font-size: 14px; margin-bottom: 2px; }
.agenda span { display: block; font-size: 13px; color: var(--muted); line-height: 1.45; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; }
.field input, .field textarea, .field select {
  width: 100%; padding: 12px 14px; border-radius: var(--radius-xs);
  border: 1px solid var(--line-strong); background: rgba(0,0,0,.25);
  color: var(--ink); transition: border-color 0.2s;
}
.field input:focus, .field textarea:focus, .field select:focus {
  border-color: rgba(11, 97, 255, 0.5); outline: none;
}
.field textarea { min-height: 120px; resize: vertical; }
.contact-form .btn { width: 100%; margin-top: 8px; }

.usecase-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
}
.solution-card {
  padding: 24px 20px; border-radius: var(--radius);
  border: 1px solid var(--paper-line); background: #fff;
}
.solution-card h3 { font-size: 16px; margin: 8px 0; }
.solution-card p { font-size: 13px; color: #4a5d7a; line-height: 1.55; }

/* Pipeline */
.diagram-panel {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: rgba(255,255,255,.02); padding: 24px;
}
.pipeline {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
}
.pipeline-step {
  padding: 18px 16px; border-radius: var(--radius-sm);
  border: 1px solid var(--line); background: rgba(255,255,255,.03);
}
.pipeline-step span {
  display: inline-block; font-family: var(--mono); font-size: 11px;
  color: var(--cyan); margin-bottom: 8px;
}
.pipeline-step b { display: block; font-size: 14px; margin-bottom: 6px; }
.pipeline-step small { display: block; font-size: 12px; color: var(--muted); line-height: 1.45; }
.pipeline-step.accent-step {
  border-color: rgba(11, 97, 255, 0.4);
  background: rgba(11, 97, 255, 0.1);
}

/* Workflow cards (replace PNG diagrams) */
.workflow-cards {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px;
}
.workflow-card {
  padding: 24px; border-radius: var(--radius);
  border: 1px solid var(--paper-line); background: #fff;
}
.workflow-card h4 { font-size: 15px; margin-bottom: 12px; color: var(--paper-ink); }
.workflow-steps { display: flex; flex-direction: column; gap: 8px; }
.workflow-step {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: var(--radius-xs);
  background: var(--paper-soft); font-size: 13px; color: #4a5d7a;
}
.workflow-step .num {
  width: 22px; height: 22px; border-radius: 50%; flex: none;
  display: grid; place-items: center; font-size: 11px; font-weight: 700;
  background: rgba(11, 97, 255, 0.15); color: var(--blue-deep);
}

.radar-split {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}
.radar-card {
  padding: 24px; border-radius: var(--radius);
  border: 1px solid var(--line); background: rgba(255,255,255,.03);
  height: 100%;
}
.radar-card.lead { border-color: rgba(56, 214, 255, 0.3); }
.radar-card.tender { border-color: rgba(251, 191, 36, 0.3); }
.radar-card h4 { font-size: 16px; margin-bottom: 12px; }
.radar-card ul { display: grid; gap: 8px; }
.radar-card li {
  font-size: 13px; color: var(--muted); padding-left: 16px;
  position: relative; line-height: 1.5;
}
.radar-card li::before { content: "→"; position: absolute; left: 0; color: var(--dim); }

#radar .section-head {
  margin-bottom: 38px;
}
#radar .builder-showcase {
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  gap: 28px;
}
#radar .radar-split {
  align-self: stretch;
}
#radar .radar-card {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  min-height: clamp(238px, 22vw, 292px);
}
#radar .radar-card ul {
  gap: 9px;
}
#radar .builder-copy {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}
#radar .builder-copy h3 {
  max-width: 34ch;
  margin-bottom: 14px;
}
#radar .feature-checks {
  order: 3;
  gap: 8px;
}
#radar .flow-visual {
  order: 2;
  margin-top: 0 !important;
  margin-bottom: 16px;
  padding: 22px 24px;
}
#radar .workflow-step {
  min-height: 44px;
}

.integration-hub {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px;
  padding: 24px; border-radius: var(--radius);
  border: 1px solid var(--paper-line); background: #fff;
}
.integration-node {
  text-align: center; padding: 20px 14px; border-radius: var(--radius-sm);
  border: 1px solid var(--paper-line); background: var(--paper-soft);
}
.integration-node b { display: block; font-size: 14px; margin-bottom: 4px; color: var(--paper-ink); }
.integration-node span { font-size: 12px; color: #4a5d7a; }
.integration-hub-center {
  grid-column: 1 / -1; text-align: center; padding: 16px;
}
.integration-hub-center img { width: 40px; height: 40px; margin: 0 auto 8px; }
.integration-hub-center b { font-size: 15px; color: var(--paper-ink); }

.governance-visual {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
  padding: 24px; border-radius: var(--radius);
  border: 1px solid var(--paper-line); background: #fff;
}
.gov-pillar {
  text-align: center; padding: 20px 12px; border-radius: var(--radius-sm);
  border: 1px solid var(--paper-line);
}
.gov-pillar .icon { font-size: 24px; margin-bottom: 8px; }
.gov-pillar b { display: block; font-size: 13px; margin-bottom: 4px; color: var(--paper-ink); }
.gov-pillar span { font-size: 11px; color: #4a5d7a; line-height: 1.4; }

/* Footer */
.footer {
  padding: 56px 0 32px; border-top: 1px solid var(--line);
  background: rgba(0,0,0,.25);
}
.footer-grid {
  display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 32px;
  margin-bottom: 32px;
}
.footer-grid p { font-size: 14px; color: var(--muted); line-height: 1.6; }
.footer h4 { font-size: 13px; font-weight: 700; margin-bottom: 14px; color: #fff; }
.footer li { margin-bottom: 8px; }
.footer a { font-size: 14px; color: var(--muted); transition: color 0.2s; }
.footer a:hover { color: var(--blue-bright); }
.footer-bottom {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  padding-top: 24px; border-top: 1px solid var(--line);
  font-size: 13px; color: var(--dim);
}

/* Scroll reveal */
.reveal {
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: none; }

/* Responsive */
@media (min-width: 1101px) and (max-height: 760px) {
  body[data-page="home"] .hero {
    padding: 26px 0 24px;
  }

  body[data-page="home"] .hero-grid {
    gap: 34px;
  }

  body[data-page="home"] .hero-title {
    font-size: clamp(1.85rem, 3.1vw, 2.42rem);
    max-width: 22ch;
    margin-bottom: 14px;
  }

  body[data-page="home"] .hero-copy .lead {
    font-size: 0.98rem;
    line-height: 1.52;
    margin-bottom: 18px;
  }

  body[data-page="home"] .hero-actions {
    margin-bottom: 18px;
  }

  body[data-page="home"] .proof-strip {
    gap: 10px;
  }

  body[data-page="home"] .proof {
    padding: 10px 12px;
  }

  body[data-page="home"] .proof span {
    font-size: 12px;
    line-height: 1.34;
  }

  body:not([data-page="home"]) .page-hero {
    padding: 38px 0 30px;
  }

  body:not([data-page="home"]) .page-hero h1 {
    font-size: clamp(1.45rem, 2.45vw, 2.05rem);
    max-width: 30ch;
    margin-bottom: 10px;
  }

  body:not([data-page="home"]) .page-hero p {
    font-size: 0.92rem;
    line-height: 1.5;
    max-width: 78ch;
  }

  body:not([data-page="home"]) .section {
    padding: 38px 0;
  }

  body:not([data-page="home"]) .section-head {
    gap: 24px;
    margin-bottom: 22px;
  }

  body:not([data-page="home"]) .section-head h2 {
    font-size: clamp(1.35rem, 2.15vw, 1.82rem);
  }

  body:not([data-page="home"]) .section-head > p {
    font-size: 0.92rem;
    line-height: 1.48;
  }

  body:not([data-page="home"]) .builder-showcase,
  body:not([data-page="home"]) .architecture-map,
  body:not([data-page="home"]) .contact-grid {
    gap: 20px;
  }

  body:not([data-page="home"]) .builder-copy h3,
  body:not([data-page="home"]) .map-panel h3,
  body:not([data-page="home"]) .contact-card h3 {
    font-size: 1.05rem;
    margin-bottom: 10px;
  }

  body:not([data-page="home"]) .builder-copy .eyebrow,
  body:not([data-page="home"]) .map-panel p,
  body:not([data-page="home"]) .feature-checks span {
    font-size: 12.5px;
    line-height: 1.4;
  }

  body:not([data-page="home"]) .feature-checks {
    gap: 7px;
  }

  body:not([data-page="home"]) .flow-visual,
  body:not([data-page="home"]) .diagram-panel {
    padding: 18px;
  }

  body:not([data-page="home"]) .workflow-card,
  body:not([data-page="home"]) .process-card,
  body:not([data-page="home"]) .solution-card,
  body:not([data-page="home"]) .flow-box,
  body:not([data-page="home"]) .radar-card,
  body:not([data-page="home"]) .outcome-column,
  body:not([data-page="home"]) .feature-group {
    padding: 15px 14px;
  }

  body:not([data-page="home"]) .workflow-step {
    min-height: 0;
    padding: 7px 10px;
    gap: 8px;
    font-size: 12px;
    line-height: 1.3;
  }

  body:not([data-page="home"]) .workflow-step .num {
    width: 18px;
    height: 18px;
    font-size: 10px;
  }

  body:not([data-page="home"]) .feature-group h3,
  body:not([data-page="home"]) .workflow-card h4,
  body:not([data-page="home"]) .process-card h3,
  body:not([data-page="home"]) .solution-card h3,
  body:not([data-page="home"]) .flow-box h3,
  body:not([data-page="home"]) .radar-card h4,
  body:not([data-page="home"]) .outcome-column b {
    font-size: 13.5px;
    margin-bottom: 6px;
  }

  body:not([data-page="home"]) .feature-group p,
  body:not([data-page="home"]) .process-card p,
  body:not([data-page="home"]) .solution-card p,
  body:not([data-page="home"]) .flow-box p,
  body:not([data-page="home"]) .radar-card li,
  body:not([data-page="home"]) .outcome-column small {
    font-size: 12px;
    line-height: 1.38;
  }

  body[data-page="solutions"] #voice .product-visual {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    min-height: 0;
    gap: 8px;
    padding: 14px;
    margin-bottom: 16px !important;
  }

  body[data-page="solutions"] #voice .product-visual-row {
    min-height: 0;
    padding: 8px 10px;
    font-size: 12px;
    line-height: 1.25;
  }

  body[data-page="solutions"] .voice-capability-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 8px;
    margin-top: 0;
  }

  body[data-page="solutions"] .voice-capability-grid article {
    padding: 13px 10px;
    min-height: 0;
  }

  body[data-page="solutions"] .voice-capability-grid span,
  body[data-page="solutions"] .voice-capability-grid h3 {
    margin-bottom: 5px;
  }

  body[data-page="solutions"] .voice-capability-grid h3 {
    font-size: 12.5px;
  }

  body[data-page="solutions"] .voice-capability-grid p {
    font-size: 11px;
    line-height: 1.32;
  }

  body[data-page="solutions"] .library-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  body[data-page="solutions"] .library-card summary {
    padding: 13px 14px;
    gap: 10px;
  }

  body[data-page="solutions"] .library-card summary h3 {
    font-size: 13.5px;
  }

  body[data-page="solutions"] .library-card summary p,
  body[data-page="solutions"] .library-card summary small {
    display: none;
  }

  body[data-page="solutions"] .example-list {
    padding: 0 16px 14px 42px;
  }

  body[data-page="solutions"] .example-list b {
    margin: 10px 0 6px;
  }

  body[data-page="solutions"] .example-list li {
    font-size: 12px;
    line-height: 1.35;
    margin-bottom: 5px;
  }

  body[data-page="solutions"] #documents .workflow-cards {
    gap: 10px;
  }

  body[data-page="solutions"] #apps .builder-showcase,
  body[data-page="solutions"] #radar .builder-showcase {
    gap: 18px;
  }

  body[data-page="solutions"] #radar .section-head {
    margin-bottom: 22px;
  }

  body[data-page="solutions"] #radar .radar-card {
    min-height: 0;
  }

  body[data-page="solutions"] #radar .flow-visual {
    margin-top: 10px !important;
  }

  body[data-page="platform"] #knowledge .feature-groups {
    gap: 10px;
  }

  body[data-page="platform"] #knowledge .artifact-strip {
    gap: 10px;
    margin-top: 14px;
  }

  body[data-page="platform"] .integration-hub {
    gap: 8px;
    padding: 16px;
  }

  body[data-page="platform"] .integration-node {
    padding: 12px 10px;
  }

  body[data-page="platform"] .integration-hub-center {
    padding: 8px;
  }

  body[data-page="platform"] .integration-hub-center img {
    width: 30px;
    height: 30px;
    margin-bottom: 4px;
  }

  body[data-page="platform"] .integration-detail {
    gap: 10px;
    margin-top: 14px;
  }

  body[data-page="platform"] #governance .governance-visual {
    gap: 8px;
    padding: 16px;
  }

  body[data-page="platform"] #governance .gov-pillar {
    padding: 13px 10px;
  }

  body[data-page="platform"] #governance .gov-pillar .icon {
    font-size: 18px;
    margin-bottom: 4px;
  }

  body[data-page="platform"] #governance .gov-pillar b {
    font-size: 12px;
  }

  body[data-page="platform"] #governance .gov-pillar span {
    font-size: 10px;
    line-height: 1.25;
  }

  body[data-page="platform"] #governance .flow-grid-four {
    gap: 8px;
    margin-top: 14px;
  }

  body[data-page="platform"] #governance .platform-summary {
    margin-top: 12px;
    padding: 12px 14px;
    font-size: 12px;
    line-height: 1.4;
  }

  body[data-page="contact"] .contact-card {
    padding: 20px;
  }

  body[data-page="contact"] .contact-card > p {
    font-size: 12.5px;
    line-height: 1.4;
    margin-bottom: 12px;
  }

  body[data-page="contact"] .agenda {
    gap: 8px;
  }

  body[data-page="contact"] .agenda li {
    gap: 10px;
  }

  body[data-page="contact"] .agenda i {
    width: 22px;
    height: 22px;
    font-size: 10px;
  }

  body[data-page="contact"] .agenda b {
    font-size: 12.5px;
  }

  body[data-page="contact"] .agenda span {
    font-size: 11.5px;
    line-height: 1.32;
  }

  body[data-page="contact"] .contact-form {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 12px;
  }

  body[data-page="contact"] .contact-form .field {
    margin-bottom: 0;
  }

  body[data-page="contact"] .contact-form .field:nth-of-type(5),
  body[data-page="contact"] .contact-form .field:nth-of-type(6),
  body[data-page="contact"] .contact-form .btn {
    grid-column: 1 / -1;
  }

  body[data-page="contact"] .field label {
    font-size: 11.5px;
    margin-bottom: 4px;
  }

  body[data-page="contact"] .field input,
  body[data-page="contact"] .field textarea,
  body[data-page="contact"] .field select {
    padding: 8px 10px;
    font-size: 12.5px;
    border-radius: 8px;
  }

  body[data-page="contact"] .field textarea {
    min-height: 74px;
  }

  body[data-page="contact"] .contact-form .btn {
    min-height: 38px;
    margin-top: 0;
  }

  body[data-page="contact"] .usecase-grid,
  body[data-page="contact"] .pipeline {
    gap: 10px;
  }

  #modules.section,
  #products.section,
  #why-platform.section {
    padding: 40px 0;
  }

  #modules .section-head,
  #products .section-head,
  #why-platform .section-head {
    margin-bottom: 22px;
  }

  #modules .section-head h2,
  #products .section-head h2,
  #why-platform .section-head h2 {
    font-size: clamp(1.45rem, 2.25vw, 1.95rem);
  }

  #modules .section-head > p,
  #products .section-head > p,
  #why-platform .section-head > p {
    font-size: 0.95rem;
    line-height: 1.5;
  }

  #modules .module-grid {
    gap: 10px;
  }

  #modules .module-card {
    padding: 15px 14px;
  }

  #modules .module-icon {
    width: 34px;
    height: 34px;
    margin-bottom: 8px;
  }

  #modules .module-card h3 {
    font-size: 14px;
    margin-bottom: 4px;
  }

  #modules .module-card p {
    font-size: 12.5px;
    line-height: 1.38;
  }

  #modules .section-actions {
    margin-top: 22px;
  }

  #products .product-switch-wide {
    gap: 14px;
  }

  #products .product-tab {
    padding: 12px 14px;
  }

  body[data-page="home"] #products .product-stage {
    min-height: 0;
  }

  #products .stage-head {
    padding: 20px 22px 0;
    gap: 18px;
  }

  #products .stage-head h3 {
    font-size: 1.08rem;
    margin-top: 6px;
  }

  #products .stage-head > p {
    font-size: 13px;
    line-height: 1.45;
  }

  #products .stage-body {
    padding: 18px 22px 22px;
    gap: 16px;
  }

  #products .product-visual {
    min-height: 0;
    padding: 14px;
    gap: 8px;
  }

  #products .product-visual-row {
    padding: 8px 10px;
    font-size: 12.5px;
  }

  #products .mock-console {
    padding: 13px;
    gap: 10px;
  }

  #products .console-bar {
    padding-bottom: 8px;
  }

  #products .mock-card {
    padding: 12px;
  }

  #products .mock-card h4 {
    font-size: 13px;
    margin-bottom: 4px;
  }

  #products .mock-card p {
    font-size: 12.5px;
    line-height: 1.4;
  }

  #products .mini-metric {
    padding: 8px;
  }

  #why-platform .compare-table-row > div {
    padding: 9px 12px;
    font-size: 12.5px;
  }

  #why-platform .comparison-grid {
    display: none;
  }
}

@media (max-width: 1100px) {
  .nav-links, .nav-actions .btn-ghost { display: none; }
  .nav-toggle { display: inline-flex; }
  .site-header { position: relative; }
  main > section,
  .section,
  .page-hero,
  .cta-band {
    scroll-margin-top: 32px;
  }
  .mobile-panel.open {
    position: absolute; top: calc(100% + 8px); left: 16px; right: 16px;
    display: flex; flex-direction: column; gap: 2px;
    padding: 20px; border: 1px solid var(--line-strong); border-radius: var(--radius);
    background: var(--surface); box-shadow: var(--shadow); z-index: 140;
    max-height: calc(100vh - 100px); overflow: auto;
  }
  .mobile-panel.open a {
    padding: 14px 0; border-bottom: 1px solid var(--line);
    font-weight: 600; font-size: 15px;
  }
  .mobile-panel.open .mobile-cta {
    margin-top: 12px; text-align: center;
    border: 0; border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--blue), var(--blue-deep));
    padding: 14px;
  }
  .hero { min-height: auto; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-title { max-width: none; }
  .ribbon-grid, .module-grid, .feature-groups, .tab-rail { grid-template-columns: repeat(2, 1fr); }
  .visual-model, .builder-showcase, .architecture-map, .contact-grid { grid-template-columns: 1fr; }
  .builder-showcase.reverse { direction: ltr; }
  .stage-head, .stage-body { grid-template-columns: 1fr; }
  .comparison-grid, .outcome-board, .voice-capability-grid, .process-grid,
  .flow-grid-four, .usecase-grid, .pipeline, .workflow-cards, .radar-split { grid-template-columns: 1fr; }
  #radar .builder-showcase { grid-template-columns: 1fr; }
  #radar .radar-card { min-height: 0; }
  .outcome-arrow { display: none; }
  .section-head { grid-template-columns: 1fr; gap: 16px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .integration-hub, .governance-visual { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 900px) and (max-width: 1100px) {
  #why-platform.section { padding: 40px 0; }
  .comparison-section .section-head {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 24px;
    margin-bottom: 18px;
  }
  .comparison-grid { grid-template-columns: 1fr 1fr; margin-top: 18px; }
  .comparison-card { padding: 18px 20px; }
  .comparison-card h3 { font-size: 1rem; margin-bottom: 9px; }
  .comparison-card li { margin-bottom: 5px; line-height: 1.35; }
  .compare-table-row > div { padding: 10px 14px; font-size: 12.5px; }
}

@media (max-width: 640px) {
  .section { padding: 64px 0; }
  .hero { padding: 48px 0 40px; }
  .proof-strip, .ribbon-grid, .module-grid, .feature-groups, .tab-rail,
  .mini-metrics, .footer-grid, .integration-hub, .governance-visual {
    grid-template-columns: 1fr;
  }
  .platform-mock-body { grid-template-columns: 44px 1fr; min-height: 320px; }
  .platform-modules { grid-template-columns: repeat(2, 1fr); }
  .compare-table-row { grid-template-columns: 1fr; }
  .compare-table-row.head { display: none; }
  .compare-table-row > div:first-child {
    background: var(--paper-soft); font-weight: 700; padding-bottom: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .ribbon-item, .module-card, .feature-group { transition: none; }
}

/* -------------------------------------------------------------------------- */
/* MHETIS premium product storytelling system                                 */
/* -------------------------------------------------------------------------- */

.site-premium {
  --max: 1240px;
  --header-h: 76px;
  --section-space: 68px;
  --paper: #f7f9fd;
  --paper-soft: #edf3ff;
  --paper-ink: #08152d;
  --surface-premium: #0a1325;
  --surface-raised: #101a2e;
  --surface-quiet: #0c1528;
  --stroke: rgba(200, 218, 248, 0.16);
  --stroke-light: #d6deeb;
  --text-soft: #a8b6cc;
  --text-light: #536783;
  --accent-agent: #36d5ff;
  --accent-voice: #9a6cff;
  --accent-app: #2fcf9f;
  --accent-radar: #f2bf52;
}

.site-premium::before {
  background:
    radial-gradient(ellipse 70% 45% at 77% 10%, rgba(101, 61, 232, 0.16), transparent 62%),
    linear-gradient(180deg, #030711 0%, #060b16 100%);
}

.site-premium::after {
  opacity: 0.22;
  background:
    linear-gradient(rgba(255, 255, 255, 0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 80px 80px;
}

.site-premium .wrap {
  width: min(var(--max), calc(100% - 48px));
}

.site-premium .site-header {
  background: rgba(3, 7, 17, 0.9);
  min-height: var(--header-h);
}

.site-premium .nav {
  height: var(--header-h);
}

.site-premium .brand-name {
  font-family: var(--display);
  font-size: 18px;
  letter-spacing: 0.1em;
}

.site-premium .brand-line {
  letter-spacing: 0;
}

.site-premium .nav-links {
  gap: 30px;
  font-size: 14px;
}

.site-premium .nav-links a,
.site-premium .nav-link-button {
  color: var(--muted);
  font-weight: 600;
  padding: 9px 0;
}

.site-premium .nav-links a:hover,
.site-premium .nav-links a.active,
.site-premium .nav-link-button:hover {
  color: #fff;
}

.site-premium .btn {
  min-height: 44px;
  padding: 11px 18px;
  border-radius: 8px;
}

.site-premium .btn-arrow::after {
  content: "→";
  font-size: 16px;
  transition: transform 0.18s ease;
}

.site-premium .btn-arrow:hover::after {
  transform: translateX(3px);
}

.site-premium .kicker {
  margin-bottom: 16px;
  letter-spacing: 0.07em;
}

.site-premium .display-title {
  max-width: 14ch;
  margin-bottom: 22px;
  color: #f3f7ff;
  font-size: 3.55rem;
  font-weight: 700;
  line-height: 1.05;
}

.site-premium .display-lead {
  max-width: 59ch;
  color: var(--text-soft);
  font-size: 1.08rem;
  line-height: 1.72;
}

.site-premium .section-title {
  max-width: 18ch;
  color: inherit;
  font-size: 2.35rem;
  line-height: 1.1;
}

.site-premium .section-intro {
  max-width: 57ch;
  color: var(--text-soft);
  font-size: 1rem;
  line-height: 1.72;
}

.site-premium .light-story .section-intro,
.site-premium .product-band.light .section-intro {
  color: var(--text-light);
}

.story-section {
  position: relative;
  padding: var(--section-space) 0;
  overflow: hidden;
}

.story-section.dark-story {
  color: var(--ink);
  background:
    linear-gradient(105deg, rgba(4, 9, 20, 0.98), rgba(10, 13, 34, 0.96)),
    var(--bg);
  border-block: 1px solid var(--line);
}

.story-section.light-story {
  color: var(--paper-ink);
  background: var(--paper-soft);
  border-block: 1px solid var(--paper-line);
}

.home-premium .story-section:not(.compact-story),
.home-premium .home-hero {
  min-height: calc(100svh - var(--header-h));
  display: grid;
  align-items: center;
}

.home-hero {
  position: relative;
  padding: 44px 0 38px;
  overflow: hidden;
}

.home-hero::after {
  content: "";
  position: absolute;
  inset: auto -10% 4% 42%;
  height: 46%;
  pointer-events: none;
  border-top: 1px solid rgba(80, 137, 255, 0.15);
  transform: skewY(-5deg);
}

.hero-premium-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(520px, 1.08fr);
  gap: 54px;
  align-items: center;
}

.hero-premium-copy .display-lead {
  margin-bottom: 28px;
}

.hero-premium-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.hero-value-line {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  color: var(--muted);
  font-size: 13px;
}

.hero-value-line span {
  position: relative;
  padding-left: 15px;
}

.hero-value-line span::before {
  content: "";
  position: absolute;
  top: 0.62em;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
}

.workspace-preview {
  position: relative;
  min-width: 0;
  border: 1px solid rgba(130, 166, 229, 0.3);
  border-radius: 8px;
  background: #071020;
  box-shadow: 0 34px 90px -40px rgba(2, 8, 24, 0.95), 0 0 70px rgba(49, 102, 255, 0.11);
  overflow: hidden;
}

.workspace-preview-bar {
  height: 48px;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  background: #101a30;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
}

.preview-window-dots {
  display: flex;
  gap: 6px;
}

.preview-window-dots i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ff5d5d;
}

.preview-window-dots i:nth-child(2) { background: #ffc13b; }
.preview-window-dots i:nth-child(3) { background: #37d87b; }

.workspace-preview-body {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  min-height: 470px;
}

.workspace-preview-rail {
  display: grid;
  align-content: start;
  gap: 9px;
  padding: 14px 9px;
  border-right: 1px solid var(--line);
  background: #091225;
}

.workspace-preview-rail span {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border: 1px solid transparent;
  border-radius: 7px;
  color: #7d8da9;
  font-size: 16px;
}

.workspace-preview-rail span.active {
  color: var(--cyan);
  border-color: rgba(43, 140, 255, 0.45);
  background: rgba(11, 97, 255, 0.14);
}

.workspace-preview-main {
  min-width: 0;
  padding: 15px 16px;
}

.workspace-toolbar {
  display: grid;
  grid-template-columns: 130px minmax(160px, 1fr) auto;
  gap: 10px;
  align-items: center;
  margin-bottom: 13px;
}

.workspace-select {
  min-width: 0;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.035);
  color: #dce7f8;
  font-size: 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.workspace-select.accent {
  color: var(--blue-bright);
  border-color: rgba(43, 140, 255, 0.4);
  background: rgba(11, 97, 255, 0.1);
}

.workspace-live {
  color: var(--green);
  font-family: var(--mono);
  font-size: 10px;
  white-space: nowrap;
}

.workspace-conversation {
  min-height: 310px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(2, 8, 20, 0.46);
}

.workspace-message {
  max-width: 82%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: #dbe5f5;
  font-size: 13px;
  line-height: 1.52;
}

.workspace-message.request {
  align-self: flex-end;
  border-color: rgba(43, 140, 255, 0.45);
  background: rgba(11, 97, 255, 0.2);
}

.workspace-message.answer {
  background: rgba(255, 255, 255, 0.045);
}

.workspace-message.approval {
  align-self: flex-end;
  color: #dceaff;
  border-color: rgba(47, 207, 159, 0.38);
  background: rgba(47, 207, 159, 0.09);
}

.workspace-message small {
  display: block;
  margin-top: 7px;
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 9px;
}

.workspace-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-top: 12px;
}

.workspace-metric {
  min-width: 0;
  padding: 9px 6px;
  text-align: center;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.025);
}

.workspace-metric strong {
  display: block;
  color: #f4f7ff;
  font-size: 12px;
  line-height: 1.3;
}

.workspace-metric span {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 9px;
  line-height: 1.2;
}

.story-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.75fr);
  gap: 54px;
  align-items: end;
  margin-bottom: 38px;
}

.story-heading.centered {
  display: block;
  max-width: 760px;
  margin: 0 auto 38px;
  text-align: center;
}

.story-heading.centered .section-title,
.story-heading.centered .section-intro {
  max-width: none;
}

.story-heading.centered .section-intro {
  margin-top: 14px;
}

.product-family-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.product-family-card {
  position: relative;
  min-height: 204px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 185px;
  gap: 18px;
  padding: 24px;
  border: 1px solid var(--stroke-light);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.82);
  color: var(--paper-ink);
  overflow: hidden;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.product-family-card:hover {
  transform: translateY(-2px);
  border-color: #9fb9e5;
  box-shadow: 0 18px 42px -32px rgba(12, 42, 93, 0.45);
}

.product-family-card h3 {
  margin: 7px 0 9px;
  font-size: 1.28rem;
}

.product-family-card p {
  color: var(--text-light);
  font-size: 0.9rem;
  line-height: 1.58;
}

.family-index {
  color: #6981a4;
  font-family: var(--mono);
  font-size: 10px;
}

.family-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 16px;
  color: #0c56d9;
  font-size: 13px;
  font-weight: 700;
}

.family-link::after {
  content: "→";
  transition: transform 0.18s ease;
}

.product-family-card:hover .family-link::after {
  transform: translateX(3px);
}

.family-visual {
  min-width: 0;
  align-self: stretch;
  display: grid;
  align-content: center;
  gap: 8px;
  padding: 13px;
  border-radius: 7px;
  background: #0b1426;
  overflow: hidden;
}

.family-visual-row {
  min-width: 0;
  padding: 8px 9px;
  display: flex;
  align-items: center;
  gap: 7px;
  border: 1px solid rgba(199, 218, 251, 0.14);
  border-radius: 6px;
  color: #dce7f8;
  font-size: 10px;
  line-height: 1.25;
}

.family-visual-row::before {
  content: "";
  width: 6px;
  height: 6px;
  flex: none;
  border-radius: 50%;
  background: var(--accent-agent);
}

.family-visual.voice .family-visual-row::before { background: var(--accent-voice); }
.family-visual.app .family-visual-row::before { background: var(--accent-app); }
.family-visual.radar .family-visual-row::before { background: var(--accent-radar); }

.voice-wave {
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.voice-wave i {
  width: 4px;
  border-radius: 3px;
  background: var(--accent-voice);
}

.voice-wave i:nth-child(1),
.voice-wave i:nth-child(7) { height: 10px; opacity: 0.55; }
.voice-wave i:nth-child(2),
.voice-wave i:nth-child(6) { height: 20px; opacity: 0.72; }
.voice-wave i:nth-child(3),
.voice-wave i:nth-child(5) { height: 30px; }
.voice-wave i:nth-child(4) { height: 24px; opacity: 0.88; }

.document-flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 7px;
  align-items: center;
}

.document-flow span {
  padding: 9px 5px;
  border: 1px solid rgba(47, 207, 159, 0.27);
  border-radius: 6px;
  color: #dffaf1;
  text-align: center;
  font-size: 9px;
}

.document-flow b {
  color: var(--accent-app);
  font-size: 13px;
}

.radar-mini {
  display: grid;
  gap: 8px;
}

.radar-lane {
  position: relative;
  padding: 10px;
  border: 1px solid rgba(242, 191, 82, 0.28);
  border-radius: 6px;
  color: #f8e7bd;
  font-size: 10px;
}

.radar-lane span {
  float: right;
  color: var(--accent-radar);
  font-family: var(--mono);
  font-size: 9px;
}

.platform-story-grid {
  display: grid;
  grid-template-columns: minmax(300px, 0.72fr) minmax(0, 1.28fr);
  gap: 70px;
  align-items: center;
}

.platform-story-copy .section-title {
  margin-bottom: 18px;
}

.platform-story-copy .section-intro {
  margin-bottom: 24px;
}

.platform-promise {
  display: grid;
  gap: 10px;
}

.platform-promise li {
  position: relative;
  padding-left: 20px;
  color: #c4d0e2;
  font-size: 14px;
  line-height: 1.5;
}

.platform-promise li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--green);
  font-weight: 700;
}

.platform-layer-stack {
  position: relative;
  display: grid;
  gap: 10px;
}

.platform-layer-stack::before {
  content: "";
  position: absolute;
  top: 34px;
  bottom: 34px;
  left: 34px;
  width: 1px;
  background: linear-gradient(var(--cyan), var(--blue), var(--violet), var(--green));
}

.platform-layer {
  position: relative;
  min-height: 88px;
  display: grid;
  grid-template-columns: 48px 150px minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  padding: 17px 20px;
  border: 1px solid var(--stroke);
  border-radius: 8px;
  background: linear-gradient(90deg, rgba(16, 29, 53, 0.95), rgba(10, 18, 35, 0.94));
}

.platform-layer-index {
  position: relative;
  z-index: 1;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(56, 214, 255, 0.4);
  border-radius: 7px;
  background: #081226;
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 10px;
}

.platform-layer h3 {
  font-size: 1rem;
}

.platform-layer p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.52;
}

.workflow-story {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-block: 1px solid var(--stroke-light);
}

.workflow-step {
  position: relative;
  min-height: 190px;
  padding: 26px 24px;
  border-right: 1px solid var(--stroke-light);
}

.workflow-step:last-child { border-right: 0; }

.workflow-step::after {
  content: "→";
  position: absolute;
  top: 36px;
  right: -9px;
  z-index: 2;
  width: 18px;
  background: var(--paper-soft);
  color: #7590b5;
  text-align: center;
}

.workflow-step:last-child::after { display: none; }

.workflow-step span {
  color: var(--blue);
  font-family: var(--mono);
  font-size: 10px;
}

.workflow-step h3 {
  margin: 20px 0 9px;
  font-size: 1.05rem;
}

.workflow-step p {
  color: var(--text-light);
  font-size: 13px;
  line-height: 1.58;
}

.usecase-layout {
  display: grid;
  grid-template-columns: 0.62fr 1.38fr;
  gap: 54px;
  align-items: start;
}

.usecase-intro .section-title {
  margin-bottom: 18px;
}

.usecase-intro .section-intro {
  margin-bottom: 24px;
}

.case-benefit {
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: #c4d0e2;
  font-size: 14px;
  line-height: 1.6;
}

.usecase-accordion {
  display: grid;
  border-top: 1px solid var(--stroke);
}

.usecase-accordion details {
  border-bottom: 1px solid var(--stroke);
}

.usecase-accordion summary {
  min-height: 67px;
  display: grid;
  grid-template-columns: 38px 150px minmax(0, 1fr) 24px;
  gap: 14px;
  align-items: center;
  cursor: pointer;
  list-style: none;
  color: #f0f5ff;
}

.usecase-accordion summary::-webkit-details-marker { display: none; }

.usecase-accordion summary .case-number {
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 10px;
}

.usecase-accordion summary strong {
  font-family: var(--display);
  font-size: 0.98rem;
}

.usecase-accordion summary > span:not(.case-number):not(.case-toggle) {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.case-toggle {
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: 18px;
  transition: transform 0.2s ease;
}

.usecase-accordion details[open] .case-toggle {
  transform: rotate(45deg);
  color: var(--cyan);
}

.case-expanded {
  padding: 2px 0 22px 202px;
}

.case-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.case-flow div {
  min-height: 92px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.025);
}

.case-flow b {
  display: block;
  margin-bottom: 6px;
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 9px;
  text-transform: uppercase;
}

.case-flow span {
  color: #bbc8dc;
  font-size: 11px;
  line-height: 1.45;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-block: 1px solid var(--stroke-light);
}

.why-item {
  min-height: 210px;
  padding: 28px;
  border-right: 1px solid var(--stroke-light);
}

.why-item:last-child { border-right: 0; }

.why-item span {
  color: var(--blue);
  font-family: var(--mono);
  font-size: 10px;
}

.why-item h3 {
  margin: 28px 0 10px;
  font-size: 1.12rem;
}

.why-item p {
  color: var(--text-light);
  font-size: 13px;
  line-height: 1.62;
}

.start-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid var(--stroke);
  border-radius: 8px;
  overflow: hidden;
}

.start-option {
  min-height: 150px;
  padding: 22px;
  border-right: 1px solid var(--stroke);
  background: rgba(255, 255, 255, 0.025);
  transition: background 0.18s ease;
}

.start-option:last-child { border-right: 0; }
.start-option:hover { background: rgba(11, 97, 255, 0.09); }

.start-option span {
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 10px;
}

.start-option h3 {
  margin: 18px 0 8px;
  font-size: 1rem;
}

.start-option p {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.start-option i {
  display: block;
  margin-top: 14px;
  color: var(--blue-bright);
  font-style: normal;
  font-size: 13px;
  font-weight: 700;
}

/* Product pages */
.product-local-nav {
  position: sticky;
  top: var(--header-h);
  z-index: 80;
  border-bottom: 1px solid var(--line);
  background: rgba(5, 10, 22, 0.93);
  backdrop-filter: blur(14px);
}

.product-local-nav .wrap {
  min-height: 46px;
  display: flex;
  align-items: center;
  gap: 22px;
  overflow-x: auto;
  scrollbar-width: none;
}

.product-local-nav .wrap::-webkit-scrollbar { display: none; }

.product-local-nav a {
  flex: none;
  padding: 12px 0 10px;
  color: var(--muted);
  border-bottom: 2px solid transparent;
  font-size: 12px;
  font-weight: 600;
}

.product-local-nav a:hover,
.product-local-nav a.active {
  color: #fff;
  border-color: var(--blue-bright);
}

.product-hero {
  min-height: 660px;
  padding: 56px 0;
  display: grid;
  align-items: center;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.product-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(500px, 1.14fr);
  gap: 60px;
  align-items: center;
  min-width: 0;
}

.product-hero-grid > * {
  min-width: 0;
}

.product-hero-copy .display-title {
  max-width: 16ch;
  font-size: 2.65rem;
}

.product-hero-copy .display-lead {
  margin-bottom: 28px;
}

.product-hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.product-hero-points span {
  padding: 7px 9px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: #b7c5da;
  background: rgba(255, 255, 255, 0.025);
  font-size: 11px;
}

.product-artifact {
  min-height: 430px;
  padding: 24px;
  border: 1px solid rgba(134, 168, 226, 0.28);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(15, 27, 50, 0.98), rgba(7, 15, 30, 0.98));
  box-shadow: var(--shadow);
}

.artifact-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
}

.artifact-status {
  color: var(--green);
}

.artifact-list {
  display: grid;
  gap: 9px;
  margin-top: 18px;
}

.artifact-list-row {
  min-height: 52px;
  padding: 12px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.03);
  color: #d9e3f3;
  font-size: 12px;
}

.artifact-list-row i {
  width: 8px;
  height: 8px;
  flex: none;
  border-radius: 50%;
  background: var(--green);
}

.artifact-list-row.review i { background: var(--amber); }

.artifact-builder {
  margin-top: 16px;
  padding: 15px;
  border: 1px solid rgba(43, 140, 255, 0.34);
  border-radius: 7px;
  background: rgba(11, 97, 255, 0.08);
}

.artifact-builder strong {
  display: block;
  margin-bottom: 5px;
  font-size: 13px;
}

.artifact-builder p {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.48;
}

.artifact-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 12px;
}

.artifact-metrics div {
  padding: 10px 7px;
  border: 1px solid var(--line);
  border-radius: 7px;
  text-align: center;
}

.artifact-metrics small {
  display: block;
  color: var(--muted);
  font-size: 9px;
}

.artifact-metrics b {
  display: block;
  margin-top: 4px;
  color: var(--cyan);
  font-size: 14px;
}

.voice-artifact {
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  gap: 16px;
}

.voice-phone {
  min-height: 360px;
  padding: 22px 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid rgba(154, 108, 255, 0.38);
  border-radius: 8px;
  background: #081123;
}

.voice-phone small {
  color: var(--muted);
  font-size: 10px;
}

.voice-phone h3 {
  margin-top: 5px;
  font-size: 1rem;
}

.voice-call-state {
  text-align: center;
}

.voice-call-state span {
  width: 54px;
  height: 54px;
  margin: 0 auto 14px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(154, 108, 255, 0.6);
  border-radius: 50%;
  color: #d9caff;
  background: rgba(154, 108, 255, 0.12);
  font-size: 24px;
}

.voice-call-state b {
  display: block;
  font-size: 14px;
}

.voice-controls {
  display: flex;
  justify-content: center;
  gap: 8px;
}

.voice-controls i {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  font-style: normal;
  font-size: 11px;
}

.voice-controls i:nth-child(2) { background: rgba(255, 91, 91, 0.2); color: #ff8585; }

.voice-activity {
  display: grid;
  align-content: start;
  gap: 9px;
}

.voice-activity-row {
  min-height: 74px;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.03);
}

.voice-activity-row span {
  color: var(--accent-voice);
  font-family: var(--mono);
  font-size: 9px;
}

.voice-activity-row strong {
  display: block;
  margin: 5px 0 3px;
  font-size: 12px;
}

.voice-activity-row p {
  color: var(--muted);
  font-size: 10px;
  line-height: 1.42;
}

.document-artifact {
  display: grid;
  align-content: center;
  gap: 12px;
}

.document-pipeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 9px;
  align-items: stretch;
}

.document-node {
  position: relative;
  min-height: 130px;
  padding: 15px 12px;
  border: 1px solid rgba(47, 207, 159, 0.3);
  border-radius: 7px;
  background: rgba(47, 207, 159, 0.045);
}

.document-node::after {
  content: "→";
  position: absolute;
  top: 50%;
  right: -9px;
  z-index: 2;
  color: var(--accent-app);
  transform: translateY(-50%);
}

.document-node:last-child::after { display: none; }

.document-node span {
  color: var(--accent-app);
  font-family: var(--mono);
  font-size: 9px;
}

.document-node strong {
  display: block;
  margin: 18px 0 6px;
  font-size: 12px;
}

.document-node p {
  color: var(--muted);
  font-size: 10px;
  line-height: 1.42;
}

.document-output {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.025);
  color: #cfd9e8;
  font-size: 11px;
}

.radar-artifact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.radar-stream {
  padding: 18px;
  border: 1px solid rgba(242, 191, 82, 0.3);
  border-radius: 8px;
  background: rgba(242, 191, 82, 0.035);
}

.radar-stream.lead-stream {
  border-color: rgba(56, 214, 255, 0.34);
  background: rgba(56, 214, 255, 0.035);
}

.radar-stream > span {
  color: var(--accent-radar);
  font-family: var(--mono);
  font-size: 9px;
  text-transform: uppercase;
}

.radar-stream.lead-stream > span { color: var(--cyan); }

.radar-stream h3 {
  margin: 8px 0 15px;
  font-size: 1rem;
}

.radar-result {
  margin-bottom: 8px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.035);
}

.radar-result b {
  display: block;
  font-size: 11px;
}

.radar-result small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 9px;
}

.product-band {
  padding: 76px 0;
  border-bottom: 1px solid var(--line);
}

.product-band.dark {
  background: #050b17;
  color: var(--ink);
}

.product-band.light {
  background: var(--paper-soft);
  color: var(--paper-ink);
  border-color: var(--paper-line);
}

.product-band-head {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 56px;
  align-items: start;
  margin-bottom: 42px;
}

.product-band-head .section-title {
  max-width: 16ch;
}

.outcome-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-block: 1px solid currentColor;
  border-color: rgba(92, 116, 151, 0.22);
}

.outcome-item {
  min-height: 178px;
  padding: 25px;
  border-right: 1px solid rgba(92, 116, 151, 0.22);
}

.outcome-item:last-child { border-right: 0; }

.outcome-item span {
  color: var(--blue);
  font-family: var(--mono);
  font-size: 10px;
}

.product-band.dark .outcome-item span { color: var(--cyan); }

.outcome-item h3 {
  margin: 22px 0 9px;
  font-size: 1.05rem;
}

.outcome-item p {
  color: var(--text-light);
  font-size: 13px;
  line-height: 1.58;
}

.product-band.dark .outcome-item p { color: var(--muted); }

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.scenario-card {
  padding: 24px;
  border: 1px solid var(--stroke-light);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
}

.product-band.dark .scenario-card {
  border-color: var(--stroke);
  background: rgba(255, 255, 255, 0.025);
}

.scenario-card > span {
  color: var(--blue);
  font-family: var(--mono);
  font-size: 9px;
  text-transform: uppercase;
}

.product-band.dark .scenario-card > span { color: var(--cyan); }

.scenario-card h3 {
  margin: 11px 0 18px;
  font-size: 1.08rem;
}

.scenario-flow {
  display: grid;
  gap: 11px;
}

.scenario-flow div {
  padding-top: 10px;
  border-top: 1px solid var(--stroke-light);
}

.product-band.dark .scenario-flow div { border-color: var(--stroke); }

.scenario-flow b {
  display: block;
  margin-bottom: 4px;
  color: #516b91;
  font-size: 10px;
  text-transform: uppercase;
}

.product-band.dark .scenario-flow b { color: var(--muted); }

.scenario-flow p {
  color: var(--text-light);
  font-size: 12px;
  line-height: 1.52;
}

.product-band.dark .scenario-flow p { color: #c2cfe1; }

.integration-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 54px;
  align-items: start;
}

.integration-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.integration-chip {
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.03);
  color: #d0dbea;
  font-size: 12px;
}

.control-list {
  display: grid;
  gap: 12px;
}

.control-row {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.control-row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.control-row > span {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(56, 214, 255, 0.3);
  border-radius: 7px;
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 9px;
}

.control-row h3 {
  margin-bottom: 4px;
  font-size: 0.98rem;
}

.control-row p {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.faq-list {
  max-width: 900px;
  margin: 0 auto;
  border-top: 1px solid var(--stroke-light);
}

.faq-list details {
  border-bottom: 1px solid var(--stroke-light);
}

.faq-list summary {
  position: relative;
  padding: 20px 38px 20px 0;
  cursor: pointer;
  list-style: none;
  color: var(--paper-ink);
  font-family: var(--display);
  font-weight: 650;
}

.faq-list summary::-webkit-details-marker { display: none; }

.faq-list summary::after {
  content: "+";
  position: absolute;
  top: 17px;
  right: 0;
  color: var(--blue);
  font-size: 22px;
  font-weight: 400;
  transition: transform 0.2s ease;
}

.faq-list details[open] summary::after { transform: rotate(45deg); }

.faq-list p {
  max-width: 74ch;
  padding: 0 42px 22px 0;
  color: var(--text-light);
  font-size: 14px;
  line-height: 1.65;
}

.premium-cta {
  padding: 82px 0;
  text-align: center;
  background:
    linear-gradient(100deg, rgba(4, 10, 22, 0.98), rgba(13, 16, 45, 0.96));
  border-top: 1px solid var(--line);
}

.premium-cta h2 {
  max-width: 20ch;
  margin: 0 auto 14px;
  font-size: 2.25rem;
}

.premium-cta p {
  max-width: 58ch;
  margin: 0 auto 24px;
  color: var(--muted);
  line-height: 1.65;
}

.premium-cta .hero-premium-actions {
  justify-content: center;
  margin-bottom: 0;
}

.site-premium .footer {
  padding-top: 54px;
}

.footer-product-list {
  display: grid;
  gap: 7px;
}

/* Reusable overview and solutions layouts */
.premium-page-hero {
  min-height: 430px;
  padding: 70px 0;
  display: grid;
  align-items: center;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(105deg, rgba(4, 9, 20, 0.98), rgba(13, 14, 39, 0.96));
}

.premium-page-hero-grid {
  display: grid;
  grid-template-columns: 1fr 0.82fr;
  gap: 70px;
  align-items: end;
}

.premium-page-hero .display-title {
  max-width: 16ch;
  font-size: 2.75rem;
}

.page-summary-panel {
  padding-left: 24px;
  border-left: 1px solid rgba(56, 214, 255, 0.35);
}

.page-summary-panel p {
  color: var(--text-soft);
  font-size: 1.02rem;
  line-height: 1.72;
}

.page-summary-panel .hero-premium-actions {
  margin: 22px 0 0;
}

.solution-index {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.solution-block {
  min-height: 230px;
  padding: 26px;
  border: 1px solid var(--stroke-light);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.74);
}

.solution-block span {
  color: var(--blue);
  font-family: var(--mono);
  font-size: 10px;
}

.solution-block h3 {
  margin: 18px 0 9px;
  font-size: 1.18rem;
}

.solution-block > p {
  color: var(--text-light);
  font-size: 13px;
  line-height: 1.58;
}

.solution-block ul {
  display: grid;
  gap: 6px;
  margin-top: 15px;
}

.solution-block li {
  position: relative;
  padding-left: 16px;
  color: #344c70;
  font-size: 12px;
}

.solution-block li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--blue);
}

.contact-premium-grid {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: 70px;
  align-items: start;
}

.contact-points {
  display: grid;
  gap: 18px;
}

.contact-point {
  padding-bottom: 18px;
  border-bottom: 1px solid var(--stroke);
}

.contact-point span {
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 9px;
}

.contact-point h3 {
  margin: 7px 0 4px;
  font-size: 0.98rem;
}

.contact-point p {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.52;
}

.contact-premium-form {
  padding: 28px;
  border: 1px solid var(--stroke-light);
  border-radius: 8px;
  background: #fff;
  color: var(--paper-ink);
}

.form-grid-premium {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
}

.form-field-premium {
  display: grid;
  gap: 6px;
}

.form-field-premium.full { grid-column: 1 / -1; }

.form-field-premium label {
  color: #3d5271;
  font-size: 11px;
  font-weight: 600;
}

.form-field-premium input,
.form-field-premium textarea,
.form-field-premium select {
  width: 100%;
  min-height: 46px;
  padding: 11px 12px;
  border: 1px solid #cbd6e6;
  border-radius: 7px;
  background: #f9fbff;
  color: var(--paper-ink);
  font-size: 13px;
}

.form-field-premium textarea {
  min-height: 110px;
  resize: vertical;
}

.form-actions-premium {
  margin-top: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.form-actions-premium small {
  max-width: 48ch;
  color: #71829c;
  font-size: 10px;
  line-height: 1.45;
}

@media (min-width: 1101px) and (max-height: 820px) {
  .site-premium {
    --section-space: 48px;
  }

  .site-premium .display-title {
    font-size: 3.05rem;
  }

  .workspace-preview-body {
    min-height: 410px;
  }

  .workspace-conversation {
    min-height: 250px;
  }

  .story-heading {
    margin-bottom: 28px;
  }

  .product-family-card {
    min-height: 184px;
    padding: 20px;
  }

  .platform-layer {
    min-height: 76px;
    padding-block: 13px;
  }

  .workflow-step {
    min-height: 166px;
    padding-block: 22px;
  }

  .usecase-accordion summary {
    min-height: 58px;
  }
}

@media (max-width: 1180px) {
  .site-premium .display-title {
    font-size: 3rem;
  }

  .hero-premium-grid,
  .product-hero-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(470px, 1.1fr);
    gap: 38px;
  }

  .product-family-card {
    grid-template-columns: minmax(0, 1fr) 150px;
  }

  .platform-story-grid {
    gap: 46px;
  }
}

@media (max-width: 1100px) {
  .site-premium .site-header {
    position: sticky;
  }

  .home-premium .story-section:not(.compact-story),
  .home-premium .home-hero {
    min-height: auto;
  }

  .hero-premium-grid,
  .product-hero-grid,
  .platform-story-grid,
  .usecase-layout,
  .premium-page-hero-grid,
  .contact-premium-grid {
    grid-template-columns: 1fr;
  }

  .hero-premium-grid,
  .product-hero-grid {
    gap: 42px;
  }

  .home-hero,
  .product-hero {
    min-height: auto;
  }

  .workspace-preview {
    max-width: 760px;
  }

  .product-family-card {
    grid-template-columns: minmax(0, 1fr) 190px;
  }

  .story-heading,
  .product-band-head {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .story-heading {
    align-items: start;
  }

  .case-expanded {
    padding-left: 52px;
  }

  .product-local-nav {
    top: var(--header-h);
  }

  .product-hero-grid {
    align-items: start;
  }

  .product-artifact {
    max-width: 820px;
  }

  .integration-layout {
    grid-template-columns: 1fr;
    gap: 38px;
  }
}

@media (min-width: 821px) and (max-width: 1100px) {
  .home-hero,
  .product-hero {
    padding: 38px 0;
  }

  .hero-premium-grid,
  .product-hero-grid {
    grid-template-columns: minmax(0, 0.84fr) minmax(470px, 1.16fr);
    gap: 30px;
    align-items: center;
  }

  .hero-premium-copy .display-title {
    font-size: 2.55rem;
  }

  .hero-premium-copy .display-lead,
  .product-hero-copy .display-lead {
    font-size: 0.94rem;
    line-height: 1.56;
  }

  .product-hero-copy .display-title {
    font-size: 2.3rem;
  }

  .hero-premium-actions,
  .hero-premium-copy .display-lead,
  .product-hero-copy .display-lead {
    margin-bottom: 20px;
  }

  .hero-value-line,
  .product-hero-points {
    gap: 7px 12px;
  }

  .workspace-preview-bar {
    height: 42px;
  }

  .workspace-preview-body {
    grid-template-columns: 46px minmax(0, 1fr);
    min-height: 350px;
  }

  .workspace-preview-rail {
    padding-inline: 5px;
  }

  .workspace-preview-rail span {
    width: 34px;
    height: 32px;
  }

  .workspace-preview-main {
    padding: 11px;
  }

  .workspace-toolbar {
    grid-template-columns: 110px minmax(130px, 1fr) auto;
    margin-bottom: 9px;
  }

  .workspace-conversation {
    min-height: 225px;
    padding: 10px;
    gap: 8px;
  }

  .workspace-message {
    padding: 9px 10px;
    font-size: 10.5px;
    line-height: 1.38;
  }

  .workspace-message small {
    margin-top: 4px;
    font-size: 7.5px;
  }

  .workspace-metrics {
    gap: 6px;
    margin-top: 8px;
  }

  .workspace-metric {
    padding: 6px 4px;
  }

  .product-artifact {
    padding: 18px;
  }
}

@media (max-width: 820px) {
  .site-premium {
    --section-space: 58px;
  }

  .site-premium .wrap {
    width: min(var(--max), calc(100% - 36px));
  }

  .site-premium .display-title,
  .product-hero-copy .display-title,
  .premium-page-hero .display-title {
    max-width: 18ch;
    font-size: 2.45rem;
  }

  .site-premium .section-title {
    font-size: 2rem;
  }

  .product-family-grid,
  .solution-index {
    grid-template-columns: 1fr;
  }

  .workflow-story {
    grid-template-columns: 1fr 1fr;
  }

  .workflow-step:nth-child(2) { border-right: 0; }
  .workflow-step:nth-child(-n + 2) { border-bottom: 1px solid var(--stroke-light); }
  .workflow-step::after { display: none; }

  .usecase-accordion summary {
    grid-template-columns: 32px minmax(120px, 0.6fr) minmax(0, 1fr) 24px;
  }

  .case-flow {
    grid-template-columns: 1fr 1fr;
  }

  .why-grid,
  .scenario-grid,
  .outcome-strip {
    grid-template-columns: 1fr;
  }

  .why-item,
  .outcome-item {
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid var(--stroke-light);
  }

  .why-item:last-child,
  .outcome-item:last-child { border-bottom: 0; }

  .start-grid {
    grid-template-columns: 1fr 1fr;
  }

  .start-option:nth-child(2) { border-right: 0; }
  .start-option:nth-child(-n + 2) { border-bottom: 1px solid var(--stroke); }

  .product-hero {
    padding: 56px 0;
  }

  .document-pipeline {
    grid-template-columns: 1fr 1fr;
  }

  .document-node:nth-child(2)::after { display: none; }

  .radar-artifact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .site-premium {
    --header-h: 68px;
    --section-space: 50px;
  }

  .site-premium .wrap {
    width: min(var(--max), calc(100% - 28px));
  }

  .site-premium .nav {
    height: var(--header-h);
  }

  .site-premium .brand-mark {
    width: 32px;
    height: 32px;
  }

  .site-premium .brand-name {
    font-size: 15px;
  }

  .site-premium .brand-line {
    display: none;
  }

  .site-premium .nav-actions .btn-primary {
    display: none;
  }

  .home-hero {
    padding: 30px 0 26px;
  }

  .site-premium .display-title,
  .product-hero-copy .display-title,
  .premium-page-hero .display-title {
    font-size: 2.08rem;
    line-height: 1.08;
  }

  .hero-premium-copy .display-title {
    margin-bottom: 14px;
    font-size: 1.92rem;
  }

  .hero-premium-copy .display-lead {
    margin-bottom: 16px;
    font-size: 0.9rem;
    line-height: 1.54;
  }

  .hero-premium-grid {
    gap: 22px;
  }

  .hero-premium-copy .hero-premium-actions {
    margin-bottom: 16px;
  }

  .product-hero-copy .display-title {
    font-size: 1.92rem;
    margin-bottom: 16px;
  }

  .product-hero-copy .display-lead {
    margin-bottom: 18px;
    font-size: 0.92rem;
    line-height: 1.58;
  }

  .product-hero-grid {
    gap: 24px;
  }

  .product-hero-copy .kicker {
    margin-bottom: 12px;
  }

  .product-hero-copy .hero-premium-actions {
    margin-bottom: 18px;
  }

  .product-hero-points {
    margin-top: 16px;
    padding-bottom: 3px;
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .product-hero-points::-webkit-scrollbar {
    display: none;
  }

  .product-hero-points span {
    flex: none;
    white-space: nowrap;
  }

  .site-premium .display-lead {
    font-size: 0.98rem;
    line-height: 1.66;
  }

  .site-premium .section-title {
    font-size: 1.72rem;
  }

  .hero-premium-actions .btn {
    width: 100%;
  }

  .hero-value-line {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px 10px;
    font-size: 11px;
  }

  .hero-value-line span:last-child {
    grid-column: 1 / -1;
  }

  .workspace-preview-body {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .workspace-preview-rail {
    display: none;
  }

  .workspace-preview-main {
    padding: 9px;
  }

  .workspace-preview-bar {
    height: 36px;
    padding-inline: 11px;
    font-size: 9px;
  }

  .workspace-toolbar {
    grid-template-columns: 1fr auto;
    gap: 7px;
    margin-bottom: 8px;
  }

  .workspace-toolbar .workspace-select:first-child {
    display: none;
  }

  .workspace-select {
    padding: 7px 8px;
    font-size: 10px;
  }

  .workspace-live {
    font-size: 9px;
  }

  .workspace-conversation {
    min-height: 0;
    padding: 8px;
    gap: 7px;
  }

  .workspace-message {
    max-width: 92%;
    padding: 8px;
    font-size: 10px;
    line-height: 1.38;
  }

  .workspace-message:nth-child(3) {
    display: none;
  }

  .workspace-message small {
    margin-top: 4px;
    font-size: 7px;
  }

  .workspace-metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 4px;
    margin-top: 7px;
  }

  .workspace-metric {
    padding: 6px 2px;
  }

  .workspace-metric strong {
    font-size: 9px;
  }

  .workspace-metric span {
    font-size: 7px;
  }

  .product-family-card {
    min-height: 0;
    grid-template-columns: 1fr;
    padding: 21px;
  }

  .family-visual {
    min-height: 128px;
  }

  .platform-layer {
    grid-template-columns: 38px minmax(0, 1fr);
    gap: 10px;
  }

  .platform-layer p {
    grid-column: 2;
  }

  .platform-layer-stack::before {
    left: 28px;
  }

  .workflow-story {
    grid-template-columns: 1fr;
  }

  .workflow-step {
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid var(--stroke-light);
  }

  .workflow-step:last-child { border-bottom: 0; }

  .usecase-accordion summary {
    min-height: 76px;
    grid-template-columns: 28px minmax(0, 1fr) 24px;
    gap: 10px;
  }

  .usecase-accordion summary > span:not(.case-number):not(.case-toggle) {
    grid-column: 2;
  }

  .usecase-accordion summary .case-toggle {
    grid-column: 3;
    grid-row: 1 / span 2;
  }

  .case-expanded {
    padding: 0 0 20px 38px;
  }

  .case-flow {
    grid-template-columns: 1fr;
  }

  .why-item {
    padding: 24px 4px;
  }

  .start-grid {
    grid-template-columns: 1fr;
  }

  .start-option,
  .start-option:nth-child(2) {
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid var(--stroke);
  }

  .start-option:last-child { border-bottom: 0; }

  .product-local-nav .wrap {
    gap: 18px;
  }

  .product-local-nav a {
    font-size: 11px;
  }

  .product-hero {
    padding: 28px 0;
  }

  .product-artifact {
    min-height: 0;
    padding: 16px;
  }

  .artifact-list {
    gap: 7px;
    margin-top: 14px;
  }

  .artifact-list-row {
    min-height: 46px;
    padding: 10px 11px;
    font-size: 10.5px;
    line-height: 1.35;
  }

  .artifact-list-row:nth-child(4) {
    display: none;
  }

  .artifact-builder {
    margin-top: 12px;
    padding: 12px;
  }

  .artifact-builder p {
    font-size: 10px;
  }

  .voice-artifact {
    grid-template-columns: 1fr;
  }

  .document-pipeline,
  .radar-artifact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .document-node {
    min-height: 100px;
    padding: 12px 10px;
  }

  .document-node strong {
    margin-top: 12px;
  }

  .document-node:nth-child(2)::after {
    display: none;
  }

  .artifact-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .voice-phone {
    min-height: 220px;
    padding: 18px 16px;
  }

  .voice-call-state span {
    width: 46px;
    height: 46px;
    margin-bottom: 10px;
  }

  .voice-activity {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .voice-activity .artifact-topline {
    grid-column: 1 / -1;
  }

  .voice-activity-row {
    min-height: 92px;
    padding: 10px;
  }

  .voice-activity-row p {
    display: none;
  }

  .voice-activity-row:nth-child(n + 4) {
    display: none;
  }

  .radar-stream {
    padding: 12px;
  }

  .radar-stream h3 {
    margin: 6px 0 10px;
    font-size: 0.86rem;
  }

  .radar-result {
    padding: 8px;
  }

  .radar-result small {
    display: none;
  }

  .product-band {
    padding: 58px 0;
  }

  .premium-page-hero {
    min-height: auto;
    padding: 58px 0;
  }

  .page-summary-panel {
    padding-left: 16px;
  }

  .premium-cta {
    padding: 64px 0;
  }

  .premium-cta h2 {
    font-size: 1.78rem;
  }

  .form-grid-premium {
    grid-template-columns: 1fr;
  }

  .form-actions-premium {
    align-items: stretch;
    flex-direction: column;
  }
}