:root {
  --bg: #f7faff;
  --surface: rgba(255, 255, 255, 0.94);
  --surface-soft: #f4f7fb;
  --ink: #0f172a;
  --muted: #526073;
  --line: rgba(148, 163, 184, 0.28);
  --primary: #0f3d77;
  --primary-strong: #0b5bd3;
  --primary-soft: #eef6ff;
  --accent: #6d28d9;
  --shadow: 0 26px 70px rgba(15, 23, 42, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at top left, rgba(14, 165, 233, 0.12), transparent 32%),
    radial-gradient(circle at top right, rgba(99, 102, 241, 0.1), transparent 26%),
    linear-gradient(180deg, #ffffff 0%, #f7faff 48%, #ffffff 100%);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.container { width: min(1180px, calc(100% - 32px)); margin-inline: auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,0.82);
  backdrop-filter: blur(16px);
}
.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-block: 14px;
}
.brand {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 12px;
}
.brand img {
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
  padding: 4px;
  object-fit: contain;
}
.brand strong {
  display: block;
  font-size: 16px;
}
.brand small {
  display: block;
  color: var(--muted);
  font-size: 12px;
}
.desktop-nav {
  display: none;
  align-items: center;
  gap: 6px;
}
.desktop-nav a {
  border-radius: 999px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 14px;
  transition: background 0.16s ease, color 0.16s ease;
}
.desktop-nav a:hover { background: #eef3f8; color: var(--ink); }
.mobile-nav { position: relative; }
.mobile-nav summary {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  list-style: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
}
.mobile-nav summary::-webkit-details-marker { display: none; }
.mobile-nav__panel {
  position: absolute;
  right: 0;
  top: calc(100% + 12px);
  display: grid;
  gap: 8px;
  width: min(280px, calc(100vw - 32px));
  border: 1px solid var(--line);
  border-radius: 24px;
  background: #fff;
  padding: 12px;
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.16);
}
.mobile-nav__panel > a {
  border-radius: 18px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
  padding: 12px 14px;
}
.mobile-nav__panel > a:hover { background: #f8fafc; color: var(--ink); }
.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.2;
  padding: 11px 18px;
  transition: transform 0.16s ease, background 0.16s ease, border-color 0.16s ease, color 0.16s ease;
}
.button:hover { transform: translateY(-1px); }
.button--primary {
  background: linear-gradient(135deg, var(--primary-strong), #06b6d4);
  color: #fff;
  box-shadow: 0 18px 34px rgba(14, 116, 144, 0.24);
}
.button--secondary {
  border-color: var(--line);
  background: rgba(255,255,255,0.92);
  color: var(--ink);
}
.button--tertiary {
  border-color: transparent;
  background: transparent;
  color: var(--muted);
}
.button--light {
  background: #fff;
  color: var(--ink);
}
.button--ghost {
  border-color: rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.08);
  color: #fff;
}
.button--desktop { display: none; }
.hero {
  border-bottom: 1px solid var(--line);
}
.hero-grid {
  display: grid;
  gap: 36px;
  padding-block: 48px 56px;
}
.hero-badge,
.eyebrow {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.hero-badge {
  border: 1px solid rgba(125, 211, 252, 0.6);
  background: rgba(255,255,255,0.84);
  color: #0e7490;
  padding: 10px 14px;
}
.hero h1,
.section h2,
.hero-panel h2,
.ai-card h3,
.demo-card h3,
.compare-card h3,
.audience-card h3,
.final-cta h2 {
  margin: 0;
  letter-spacing: 0;
}
.hero h1 {
  margin-top: 22px;
  max-width: 820px;
  font-size: clamp(40px, 7vw, 72px);
  line-height: 1.02;
}
.hero-lead,
.hero-helper,
.section-copy,
.section-head p,
.final-cta p,
.rollout-card p {
  color: var(--muted);
  line-height: 1.72;
}
.hero-lead {
  margin-top: 22px;
  max-width: 720px;
  font-size: clamp(17px, 2.7vw, 20px);
}
.hero-helper {
  margin-top: 18px;
  max-width: 720px;
  font-size: 14px;
}
.hero-actions,
.final-cta__actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 30px;
}
.hero-mockup {
  display: grid;
  gap: 14px;
  align-self: stretch;
}
.hero-kpi,
.hero-panel,
.demo-card,
.info-card,
.ai-card,
.compare-card,
.audience-card,
.rollout-card {
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
}
.hero-kpi {
  padding: 20px;
}
.hero-kpi span,
.hero-panel .eyebrow,
.section-head .eyebrow,
.ai-card .eyebrow,
.demo-card .eyebrow,
.compare-card .eyebrow,
.audience-card .eyebrow,
.rollout-card .eyebrow,
.eyebrow--light {
  color: #64748b;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.hero-kpi strong {
  display: block;
  margin-top: 14px;
  font-size: clamp(28px, 5vw, 40px);
  line-height: 1.05;
}
.hero-kpi small { display: block; margin-top: 8px; color: var(--muted); font-size: 13px; }
.hero-kpi--dark {
  background: #0f172a;
  color: #fff;
}
.hero-kpi--dark span,
.hero-kpi--dark small { color: rgba(255,255,255,0.72); }
.hero-kpi--light {
  background: #eef7ff;
}
.hero-panel {
  background: rgba(255,255,255,0.92);
  padding: 20px;
}
.hero-panel h2,
.ai-card h3 { margin-top: 12px; font-size: 24px; line-height: 1.18; }
.hero-panel__lede {
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}
.flow-grid {
  display: grid;
  gap: 10px;
  margin-top: 18px;
  grid-template-columns: 1fr;
}
.status-chip {
  display: inline-flex;
  margin-top: 14px;
  border: 1px solid #a7f3d0;
  border-radius: 999px;
  background: #ecfdf5;
  color: #047857;
  font-size: 12px;
  font-weight: 700;
  padding: 8px 12px;
}
.flow-step,
.chip,
.question-pill {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255,255,255,0.88);
  padding: 14px;
}
.flow-step {
  display: grid;
  gap: 6px;
  color: var(--ink);
}
.flow-step__index {
  display: inline-flex;
  width: 32px;
  height: 32px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: #64748b;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
}
.flow-step strong {
  font-size: 14px;
  line-height: 1.35;
}
.flow-step small {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}
.chip,
.question-pill {
  border-radius: 999px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  padding: 10px 14px;
}
.hero-panel--accent {
  background: linear-gradient(180deg, #faf5ff 0%, #f5fbff 100%);
}
.hero-panel--accent p {
  margin-top: 14px;
  color: var(--muted);
  line-height: 1.65;
}
.warning-chip {
  display: inline-flex;
  margin-top: 16px;
  border-radius: 999px;
  background: #fef3c7;
  color: #92400e;
  font-size: 13px;
  font-weight: 700;
  padding: 10px 14px;
}
.section {
  padding-block: 56px;
}
.section--muted {
  background: rgba(248, 250, 252, 0.75);
}
.section--final {
  background: #fff;
}
.section-head {
  max-width: 760px;
}
.section-head h2 {
  margin-top: 12px;
  font-size: clamp(30px, 4vw, 42px);
  line-height: 1.08;
}
.section-head p {
  margin-top: 16px;
  font-size: 17px;
}
.demo-grid,
.info-grid,
.compare-grid,
.audience-grid {
  display: grid;
  align-items: stretch;
  gap: 16px;
  margin-top: 30px;
}
.demo-card {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: var(--surface);
  padding: 24px;
}
.demo-card::before {
  position: absolute;
  inset-inline: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(6,182,212,0.65), rgba(148,163,184,0.24), rgba(109,40,217,0.55));
  content: "";
}
.demo-card__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}
.demo-card__icon {
  display: grid;
  width: 56px;
  height: 56px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 22px;
  background: #0f172a;
  color: #fff;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
}
.demo-card h3 {
  margin-top: 14px;
  font-size: 28px;
  line-height: 1.08;
}
.demo-card__description {
  margin-top: 14px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}
.demo-card__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}
.chip--strong {
  background: var(--primary-soft);
  border-color: rgba(125, 211, 252, 0.6);
  color: #0e7490;
}
.demo-card__actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: auto;
  padding-top: 22px;
}
.info-grid { grid-template-columns: 1fr; }
.info-card {
  background: rgba(248,250,252,0.86);
  padding: 22px;
}
.info-card__label {
  display: block;
  font-size: 18px;
  font-weight: 700;
}
.info-card p,
.compare-card p,
.audience-card p,
.rollout-card p {
  margin-top: 10px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.72;
}
.compare-grid { grid-template-columns: 1fr; }
.compare-card {
  background: rgba(255,255,255,0.94);
  padding: 22px;
}
.compare-card h3 {
  margin-top: 12px;
  font-size: 22px;
  line-height: 1.3;
}
.compare-card__solution {
  margin-top: 18px;
  border: 1px solid rgba(16, 185, 129, 0.24);
  border-radius: 24px;
  background: rgba(236, 253, 245, 0.85);
  padding: 16px;
}
.eyebrow--solution { color: #047857; }
.ai-grid {
  display: grid;
  gap: 20px;
}
.question-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}
.ai-card {
  background: linear-gradient(145deg, #0f172a 0%, #102d44 55%, #1d4ed8 100%);
  color: #fff;
  padding: 24px;
  box-shadow: 0 30px 80px rgba(15, 23, 42, 0.22);
}
.ai-card .eyebrow { color: rgba(165,243,252,0.86); }
.ai-card__eyebrow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}
.ai-context {
  border: 1px solid rgba(34, 211, 238, 0.25);
  border-radius: 999px;
  background: rgba(34, 211, 238, 0.08);
  color: rgba(224, 242, 254, 0.95);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  padding: 8px 12px;
  text-transform: uppercase;
}
.ai-card p {
  margin-top: 14px;
  color: rgba(226,232,240,0.86);
  line-height: 1.72;
}
.ai-question {
  margin-top: 18px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 24px;
  background: rgba(255,255,255,0.06);
  padding: 16px;
}
.ai-question span {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(165,243,252,0.86);
}
.ai-question strong {
  display: block;
  margin-top: 10px;
  font-size: 16px;
  line-height: 1.5;
}
.ai-card__stats {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}
.ai-card__stats div {
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 22px;
  background: rgba(255,255,255,0.06);
  padding: 16px;
}
.ai-card__stats strong {
  display: block;
  font-size: 15px;
}
.ai-card__stats span {
  display: block;
  margin-top: 8px;
  color: rgba(191,219,254,0.76);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.audience-grid {
  grid-template-columns: 1fr;
}
.audience-card,
.rollout-card {
  background: rgba(255,255,255,0.96);
  padding: 24px;
}
.audience-columns {
  display: grid;
  gap: 18px;
  margin-top: 16px;
}
.audience-card h3,
.rollout-card h3 {
  margin-top: 12px;
  font-size: 18px;
  line-height: 1.3;
}
.list-stack {
  display: grid;
  gap: 12px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}
.list-stack li,
.rollout-step {
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #fff;
  padding: 14px 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
}
.list-stack--muted li {
  background: rgba(248,250,252,0.86);
}
.rollout-list {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}
.rollout-step {
  display: flex;
  align-items: center;
  gap: 14px;
}
.rollout-step span {
  display: grid;
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 999px;
  background: #0f172a;
  color: #fff;
  font-size: 13px;
  font-weight: 700;
}
.rollout-step strong {
  font-size: 14px;
}
.final-cta {
  display: grid;
  gap: 18px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 32px;
  background: linear-gradient(135deg, #0f172a 0%, #0f3b57 48%, #1d4ed8 100%);
  color: #fff;
  padding: 28px 24px;
  box-shadow: 0 30px 80px rgba(15, 23, 42, 0.18);
}
.eyebrow--light { color: rgba(165,243,252,0.86); }
.final-cta h2 {
  margin-top: 14px;
  font-size: clamp(30px, 4.5vw, 44px);
  line-height: 1.06;
}
.final-cta p {
  margin-top: 14px;
  max-width: 580px;
  color: rgba(226,232,240,0.84);
}

@media (min-width: 768px) {
  .desktop-nav { display: flex; }
  .button--desktop { display: inline-flex; }
  .mobile-nav { display: none; }
  .hero-actions,
  .final-cta__actions,
  .demo-card__actions { flex-direction: row; }
  .flow-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .demo-grid,
  .info-grid,
  .compare-grid,
  .audience-columns { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ai-card__stats { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 1200px) {
  .hero-grid,
  .ai-grid,
  .audience-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: center; }
  .flow-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .demo-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .compare-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .info-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .final-cta {
    grid-template-columns: 1fr auto;
    align-items: end;
  }
}