:root {
  --ink: #08121f;
  --ink-2: #152436;
  --muted: #5f7084;
  --soft: #eef5fb;
  --soft-2: #f7fbff;
  --line: rgba(12, 26, 43, 0.12);
  --dark: #06101a;
  --dark-2: #0b1725;
  --white: #ffffff;
  --accent: #68e1fd;
  --accent-2: #7cffc8;
  --accent-3: #a88cff;
  --warm: #ffd166;
  --radius: 24px;
  --radius-sm: 16px;
  --shadow: 0 26px 80px rgba(8, 18, 31, 0.16);
  --max: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--white);
  line-height: 1.65;
}
a { color: inherit; text-decoration: none; }
p, h1, h2, h3, h4 { margin-top: 0; }
img { max-width: 100%; display: block; }
.container { width: min(100% - 40px, var(--max)); margin: 0 auto; }

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(6, 16, 26, 0.86);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(255,255,255,0.12);
  color: #edf6ff;
}
.nav-inner {
  height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 1.12rem;
  font-weight: 850;
  letter-spacing: -0.035em;
  white-space: nowrap;
}
.brand-mark {
  position: relative;
  overflow: hidden;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  color: #edf6ff;
  background: linear-gradient(145deg, rgba(6,16,26,.98), rgba(15,34,55,.96));
  border: 1px solid rgba(104,225,253,.44);
  box-shadow: 0 0 0 1px rgba(255,255,255,.08), 0 16px 38px rgba(104,225,253,.16);
}
.brand-mark::before {
  content: "";
  position: absolute;
  inset: -36%;
  background:
    radial-gradient(circle at 28% 24%, rgba(104,225,253,.42), transparent 30%),
    radial-gradient(circle at 76% 78%, rgba(124,255,200,.32), transparent 29%);
  opacity: .9;
}
.brand-symbol {
  position: relative;
  z-index: 1;
  width: 31px;
  height: 31px;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.brand-path-a { stroke: var(--accent); stroke-width: 3.2; }
.brand-path-z { stroke: var(--accent-2); stroke-width: 3.2; }
.brand-node { fill: #edf6ff; stroke: rgba(6,16,26,.75); stroke-width: 1; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  color: rgba(237,246,255,0.72);
  font-size: .95rem;
}
.nav-links a { transition: color 180ms ease; }
.nav-links a:hover, .nav-links a.active { color: #fff; }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.mobile-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.16);
  background: transparent;
  color: #fff;
  font-size: 1.35rem;
  cursor: pointer;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 12px 18px;
  font-weight: 780;
  line-height: 1;
  border: 1px solid transparent;
  white-space: nowrap;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  color: #06101a;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 18px 44px rgba(104,225,253,.21);
}
.btn-secondary {
  color: #edf6ff;
  border-color: rgba(255,255,255,.16);
  background: rgba(255,255,255,.08);
}
.btn-dark { color: #fff; background: var(--ink); }
.btn-light { color: var(--ink); background: #fff; border-color: rgba(8,18,31,.08); }

.hero {
  position: relative;
  overflow: hidden;
  color: #edf6ff;
  background:
    radial-gradient(circle at 8% 16%, rgba(104,225,253,.24), transparent 34rem),
    radial-gradient(circle at 88% 4%, rgba(168,140,255,.24), transparent 33rem),
    linear-gradient(180deg, #06101a 0%, #081420 100%);
  padding: 92px 0 78px;
}
.hero::after {
  content: "AZ";
  position: absolute;
  right: max(18px, calc((100vw - var(--max)) / 2));
  top: 76px;
  font-size: clamp(7rem, 20vw, 19rem);
  font-weight: 950;
  letter-spacing: -0.13em;
  line-height: .9;
  color: rgba(255,255,255,.045);
  pointer-events: none;
}
.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(320px, .97fr);
  gap: 50px;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
  padding: 9px 13px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.075);
  color: rgba(237,246,255,.75);
  font-size: .88rem;
}
.eyebrow-dot {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--accent-2);
  box-shadow: 0 0 18px var(--accent-2);
}
.hero-title {
  max-width: 960px;
  margin-bottom: 26px;
  font-family: ui-serif, Georgia, Cambria, "Times New Roman", Times, serif;
  font-size: clamp(3.15rem, 7.2vw, 6.35rem);
  line-height: .86;
  letter-spacing: -.085em;
  font-weight: 720;
}
.hero-title .accent {
  display: inline-block;
  font-style: italic;
  letter-spacing: -.07em;
  background: linear-gradient(135deg, #fff 12%, var(--accent) 50%, var(--accent-2) 92%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-lede {
  max-width: 720px;
  margin-bottom: 32px;
  color: #c7d6e7;
  font-size: clamp(1.08rem, 1.7vw, 1.28rem);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 34px; }
.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  color: #b6c6d8;
  font-size: .93rem;
}
.trust-pill {
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.07);
  padding: 8px 12px;
  border-radius: 999px;
}

.decision-card {
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 28px;
  padding: 26px;
  background: rgba(255,255,255,.08);
  box-shadow: 0 24px 80px rgba(0,0,0,.32);
}
.decision-card h3 { margin-bottom: 10px; font-size: 1.15rem; }
.decision-card p { color: #c9d8e7; margin-bottom: 18px; }
.decision-path { display: grid; gap: 12px; }
.decision-step {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px;
  border-radius: 18px;
  background: rgba(6,16,26,.52);
  border: 1px solid rgba(255,255,255,.12);
}
.step-mark {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-weight: 900;
  color: #06101a;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}
.decision-step strong { display: block; margin-bottom: 2px; }
.decision-step span { color: #adbdcf; font-size: .94rem; }

section { padding: 84px 0; }
.section-soft { background: linear-gradient(180deg, #f5f9fd 0%, #fff 100%); }
.section-dark {
  color: #edf6ff;
  background:
    radial-gradient(circle at 14% 8%, rgba(104,225,253,.12), transparent 28rem),
    radial-gradient(circle at 85% 28%, rgba(168,140,255,.12), transparent 30rem),
    linear-gradient(180deg, #07111c 0%, #0b1725 100%);
}
.section-light { background: #fff; }
.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  gap: 34px;
  align-items: end;
  margin-bottom: 34px;
}
.section-kicker {
  margin-bottom: 12px;
  color: #127a9b;
  font-size: .8rem;
  font-weight: 850;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.section-dark .section-kicker { color: var(--accent); }
h1, h2, h3, h4 { letter-spacing: -.04em; }
h2 {
  margin-bottom: 0;
  font-size: clamp(2.15rem, 4.5vw, 4.2rem);
  line-height: 1;
}
h3 { font-size: 1.26rem; line-height: 1.18; }
.section-desc {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 1.04rem;
}
.section-dark .section-desc { color: #b6c6d8; }

.cards-3, .cards-2, .cards-4 {
  display: grid;
  gap: 18px;
}
.cards-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.cards-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.cards-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card, .case-card, .role-card, .plain-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 28px;
  box-shadow: 0 14px 50px rgba(8,18,31,.06);
}
.section-dark .card, .section-dark .case-card, .section-dark .plain-card {
  background: rgba(255,255,255,.075);
  border-color: rgba(255,255,255,.14);
  box-shadow: none;
}
.card p, .case-card p, .role-card p, .plain-card p { color: var(--muted); margin-bottom: 0; }
.section-dark .card p, .section-dark .case-card p, .section-dark .plain-card p { color: #b6c6d8; }
.icon {
  width: 44px;
  height: 44px;
  border-radius: 15px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  color: #06101a;
  font-weight: 900;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}
.card-link { display: inline-flex; margin-top: 18px; font-weight: 820; color: #0a7292; }
.section-dark .card-link { color: var(--accent); }

.page-hero {
  color: #edf6ff;
  background:
    radial-gradient(circle at 12% 18%, rgba(104,225,253,.21), transparent 33rem),
    radial-gradient(circle at 82% 4%, rgba(168,140,255,.2), transparent 32rem),
    linear-gradient(180deg, #06101a 0%, #081420 100%);
  padding: 76px 0 70px;
}
.page-hero h1 {
  max-width: 920px;
  margin-bottom: 22px;
  font-family: ui-serif, Georgia, Cambria, "Times New Roman", Times, serif;
  font-size: clamp(2.35rem, 5.2vw, 4.85rem);
  line-height: .91;
  letter-spacing: -.075em;
}
.page-hero p { color: #c7d6e7; max-width: 760px; font-size: 1.16rem; margin-bottom: 0; }

.feature-grid {
  display: grid;
  grid-template-columns: .92fr 1.08fr;
  gap: 28px;
  align-items: start;
}
.feature-panel {
  border-radius: 28px;
  border: 1px solid var(--line);
  background: var(--soft-2);
  padding: 30px;
}
.feature-panel p { color: var(--muted); }
.feature-list { display: grid; gap: 14px; }
.feature-item {
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #fff;
  padding: 20px;
}
.feature-item p { color: var(--muted); margin-bottom: 0; }

.timeline { display: grid; gap: 16px; counter-reset: steps; }
.timeline-item {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 18px;
  align-items: start;
  padding: 22px;
  border-radius: 24px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.075);
}
.timeline-index {
  width: 50px;
  height: 50px;
  border-radius: 17px;
  display: grid;
  place-items: center;
  color: #06101a;
  font-weight: 950;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}
.timeline-item p { color: #b6c6d8; margin-bottom: 0; }

.case-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, .95fr);
  gap: 36px;
  align-items: center;
}
.prompt-box {
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 26px;
  background: rgba(255,255,255,.08);
  padding: 26px;
}
.prompt-label {
  color: var(--accent);
  font-size: .78rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  font-weight: 850;
  margin-bottom: 10px;
}
.prompt-box p { color: #eaf4ff; font-size: 1.08rem; }
.pill-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.pill {
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--soft-2);
  color: var(--ink-2);
  padding: 8px 12px;
  font-size: .92rem;
  font-weight: 720;
}
.section-dark .pill { background: rgba(255,255,255,.08); color: #edf6ff; border-color: rgba(255,255,255,.14); }

.case-layout {
  display: grid;
  grid-template-columns: minmax(0, .88fr) minmax(0, 1.12fr);
  gap: 24px;
  align-items: start;
}
ul.clean { margin: 0; padding-left: 1.1rem; color: var(--muted); }
ul.clean li { margin-bottom: 10px; }
.section-dark ul.clean { color: #b6c6d8; }

.cta {
  color: #edf6ff;
  background: #fff;
  padding: 0 0 88px;
}
.cta-card {
  overflow: hidden;
  border-radius: 34px;
  background:
    radial-gradient(circle at 0% 0%, rgba(104,225,253,.22), transparent 26rem),
    radial-gradient(circle at 95% 15%, rgba(124,255,200,.16), transparent 28rem),
    linear-gradient(135deg, #07111c, #0b1725);
  box-shadow: var(--shadow);
  padding: 44px;
}
.cta-card h2 { max-width: 820px; margin-bottom: 18px; font-size: clamp(1.8rem, 3.6vw, 3.25rem); }
.cta-card p { max-width: 720px; color: #c7d6e7; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 24px; }

footer {
  color: #c7d6e7;
  background: #06101a;
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 28px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  font-size: .92rem;
}
.footer-links { display: flex; gap: 16px; flex-wrap: wrap; color: rgba(237,246,255,.75); }
.footer-links a:hover { color: #fff; }

@media (max-width: 980px) {
  .hero-grid, .feature-grid, .case-hero-grid, .case-layout, .section-head { grid-template-columns: 1fr; }
  .cards-4, .cards-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .nav-links, .nav-actions .btn { display: none; }
  .mobile-toggle { display: inline-grid; place-items: center; }
  .nav-links.open {
    display: grid;
    position: absolute;
    left: 20px;
    right: 20px;
    top: 82px;
    padding: 18px;
    border-radius: 20px;
    background: rgba(6,16,26,.96);
    border: 1px solid rgba(255,255,255,.14);
    box-shadow: 0 24px 80px rgba(0,0,0,.35);
  }
}
@media (max-width: 640px) {
  .container { width: min(100% - 28px, var(--max)); }
  .hero { padding: 62px 0 58px; }
  .hero-title { font-size: clamp(2.8rem, 14vw, 4.35rem); }
  .cards-2, .cards-3, .cards-4 { grid-template-columns: 1fr; }
  section { padding: 64px 0; }
  .page-hero { padding: 58px 0; }

  .page-hero h1 { font-size: clamp(2.15rem, 11vw, 3.5rem); }
  .btn, .hero-actions .btn, .cta-actions .btn { width: 100%; }
  .hero-actions, .cta-actions { flex-direction: column; align-items: stretch; }
  .cta-card { padding: 28px; border-radius: 28px; }
  .timeline-item { grid-template-columns: 1fr; }
}