:root {
  color-scheme: dark;
  --bg: #05070c;
  --bg-deep: #03050a;
  --surface: rgba(13, 19, 29, 0.86);
  --surface-strong: #0d1420;
  --surface-soft: #111b2a;
  --line: rgba(188, 216, 255, 0.16);
  --line-strong: rgba(98, 190, 255, 0.38);
  --text: #ffffff;
  --muted: #e4edf8;
  --muted-strong: #f2f7fc;
  --blue: #55b9ff;
  --cyan: #61e9e0;
  --green: #62e3ae;
  --ink: #041018;
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.44);
  --radius-sm: 12px;
  --radius: 20px;
  --radius-lg: 30px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: clip; background: var(--bg-deep); }
main:focus { outline: none; }

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 76% 4%, rgba(43, 117, 255, 0.16), transparent 28rem),
    radial-gradient(circle at 16% 28%, rgba(44, 231, 219, 0.08), transparent 24rem),
    var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img, video { display: block; max-width: 100%; }
a { color: inherit; }
button, input, textarea, select { font: inherit; }
:focus-visible { outline: 3px solid var(--cyan); outline-offset: 4px; }

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  transform: translateY(-160%);
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--text);
  color: var(--ink);
  font-weight: 800;
}

.skip-link:focus { transform: translateY(0); }
.wrap { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(5, 7, 12, 0.78);
  backdrop-filter: blur(22px) saturate(140%);
}

.site-nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--text);
  text-decoration: none;
  font-size: 18px;
  font-weight: 850;
  letter-spacing: -0.02em;
}

.brand img {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(36, 143, 255, 0.25);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 760;
}

.nav-links a { text-decoration: none; }
.nav-links a:hover { color: var(--text); }
.mobile-nav { display: none; }

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 20px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.035);
  color: var(--text);
  text-decoration: none;
  font-size: 15px;
  font-weight: 820;
  line-height: 1;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.34);
  background: rgba(255, 255, 255, 0.08);
}

.button.primary {
  border-color: transparent;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  color: var(--ink);
  box-shadow: 0 14px 38px rgba(54, 166, 255, 0.25);
}

.button.primary:hover { background: linear-gradient(135deg, #76c7ff, #7af2e9); }
.button.small { min-height: 42px; padding-inline: 16px; font-size: 14px; }

.eyebrow {
  margin: 0 0 18px;
  color: var(--cyan);
  font-size: 14px;
  font-weight: 850;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero {
  position: relative;
  padding: 94px 0 86px;
  isolation: isolate;
}

.hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  width: 520px;
  height: 520px;
  top: -180px;
  right: -120px;
  border-radius: 50%;
  background: rgba(48, 117, 255, 0.16);
  filter: blur(90px);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(500px, 1.18fr);
  align-items: center;
  gap: 58px;
}

.hero h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(54px, 6.5vw, 92px);
  line-height: 0.94;
  letter-spacing: -0.065em;
}

.gradient-text {
  display: block;
  background: linear-gradient(100deg, #ffffff 8%, #92d1ff 50%, #66efe2 92%);
  background-clip: text;
  color: transparent;
}

.hero-lead,
.section-lead {
  max-width: 720px;
  color: var(--muted);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.5;
}

.hero-lead { margin: 26px 0 0; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  color: var(--muted-strong);
  font-size: 14px;
  font-weight: 700;
}

.hero-meta li::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin: 0 8px 2px 0;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 16px rgba(98, 227, 174, 0.75);
}

.product-stage { position: relative; }

.product-window {
  padding: 10px;
  border: 1px solid rgba(137, 196, 255, 0.28);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(22, 36, 57, 0.94), rgba(6, 10, 18, 0.94));
  box-shadow: var(--shadow), inset 0 1px rgba(255, 255, 255, 0.08);
}

.product-window img {
  width: 100%;
  height: auto;
  border-radius: 21px;
}

.product-tag {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 10px 14px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  background: rgba(9, 15, 25, 0.86);
  box-shadow: 0 16px 38px rgba(0, 0, 0, 0.32);
  backdrop-filter: blur(16px);
  color: var(--text);
  font-size: 14px;
  font-weight: 780;
}

.product-tag::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
}

.product-tag.one { left: -22px; bottom: 48px; }
.product-tag.two { right: -18px; top: 46px; }

.proof-strip {
  border-block: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(10, 15, 24, 0.72);
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.proof-item {
  padding: 28px 32px;
  border-left: 1px solid rgba(255, 255, 255, 0.08);
}

.proof-item:first-child { border-left: 0; }
.proof-item strong { display: block; margin-bottom: 5px; font-size: 17px; }
.proof-item span { color: var(--muted); font-size: 14px; }

.section {
  padding: 108px 0;
  scroll-margin-top: 86px;
}

.section.alt {
  border-block: 1px solid rgba(255, 255, 255, 0.07);
  background: rgba(9, 14, 23, 0.76);
}

.section-heading { display: grid; gap: 14px; margin-bottom: 44px; }

.section h2,
.legal-shell h1 {
  max-width: 880px;
  margin: 0;
  font-size: clamp(42px, 5.5vw, 72px);
  line-height: 0.98;
  letter-spacing: -0.05em;
}

.section-lead { margin: 0; }

.workflow-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.workflow-step,
.feature-card,
.audience-card,
.panel,
.faq details {
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(17, 27, 42, 0.86), rgba(8, 13, 22, 0.9));
}

.workflow-step {
  min-height: 240px;
  padding: 28px;
  border-radius: var(--radius);
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.22);
}

.step { display: block; margin-bottom: 13px; color: var(--cyan); font-size: 14px; font-weight: 850; letter-spacing: 0.12em; }
.workflow-step h3, .feature-card h3, .audience-card h3 { margin: 0; font-size: 22px; line-height: 1.18; }
.workflow-step p, .feature-card p, .audience-card p, .panel p { margin: 10px 0 0; color: var(--muted); }

.export-showcase {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.72fr);
  gap: 54px;
  align-items: center;
  margin-top: 28px;
  padding: 42px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(16, 27, 43, 0.94), rgba(6, 11, 19, 0.96));
  box-shadow: var(--shadow);
}

.export-copy h3 { margin: 0; max-width: 620px; font-size: clamp(34px, 4vw, 54px); line-height: 1; letter-spacing: -0.04em; }
.export-copy > p:not(.eyebrow) { margin: 20px 0 0; color: var(--muted); font-size: 18px; }
.export-points { display: grid; gap: 10px; margin: 24px 0 0; padding: 0; list-style: none; color: var(--muted-strong); }
.export-points li::before { content: "✓"; margin-right: 9px; color: var(--green); font-weight: 900; }
.export-visual { margin: 0; text-align: center; }
.export-visual img { width: min(100%, 480px); height: auto; margin-inline: auto; outline: 1px solid rgba(255, 255, 255, 0.16); border-radius: 22px; box-shadow: 0 28px 70px rgba(0, 0, 0, 0.45); }
.export-visual figcaption { margin-top: 12px; color: var(--muted); font-size: 14px; }

.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.feature-card { padding: 24px; border-radius: var(--radius); }
.feature-card.wide { grid-column: span 2; }
.feature-number { display: block; margin: 0 0 12px; color: var(--blue); font-size: 14px; font-weight: 850; letter-spacing: 0.1em; text-transform: uppercase; }
.feature-grid .feature-card { min-height: 190px; }

.privacy-callout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.72fr);
  gap: 48px;
  align-items: center;
  padding: 48px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 90% 20%, rgba(70, 190, 255, 0.16), transparent 16rem),
    linear-gradient(145deg, #101a2a, #080e18);
  box-shadow: var(--shadow);
}

.privacy-callout h2 { font-size: clamp(40px, 5vw, 66px); }
.privacy-list { display: grid; gap: 13px; margin: 0; padding: 0; list-style: none; }
.privacy-point { padding: 15px 17px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: rgba(4, 9, 16, 0.6); color: var(--muted-strong); font-weight: 720; }
.privacy-point::before { content: "✓"; margin-right: 10px; color: var(--green); }
.privacy-detail { margin-top: 18px; font-size: 16px; }
.audience-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.audience-card { padding: 22px; border-radius: var(--radius); }

.pricing-card {
  max-width: 860px;
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 38px;
  padding: 42px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(17, 30, 48, 0.96), rgba(8, 13, 22, 0.96));
  box-shadow: var(--shadow);
}

.price { margin: 8px 0; font-size: clamp(58px, 7vw, 82px); font-weight: 900; letter-spacing: -0.07em; line-height: 1; }
.price span { font-size: 17px; letter-spacing: 0; color: var(--muted); }
.price-note { margin: 12px 0 0; color: var(--muted); }
.price-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 13px 20px; margin: 0; padding: 0; list-style: none; }
.price-list li { color: var(--muted-strong); }
.price-list li::before { content: "✓"; margin-right: 9px; color: var(--green); font-weight: 900; }
.pricing-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }

.faq { display: grid; gap: 12px; max-width: 880px; }
.faq details { padding: 0 22px; border-radius: var(--radius-sm); }
.faq summary { cursor: pointer; padding: 20px 28px 20px 0; font-weight: 800; }
.faq p { margin: 0 0 20px; color: var(--muted); }

.final-cta {
  padding: 64px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 82% 14%, rgba(89, 220, 255, 0.2), transparent 18rem),
    linear-gradient(135deg, #102039, #08111e);
  text-align: center;
}

.final-cta h2 { margin-inline: auto; }
.final-cta p { margin: 18px auto 0; }
.final-cta .hero-actions { justify-content: center; }

.site-footer {
  padding: 42px 0 58px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--muted);
  font-size: 14px;
}

.footer-grid { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 20px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; }
.footer-links a { color: var(--muted-strong); }

.legal-shell { max-width: 75ch; padding: 88px 24px 110px; margin: 0 auto; }
.legal-shell > p, .legal-shell li { color: var(--muted); font-size: 18px; }
.legal-shell section { margin-top: 34px; padding-top: 28px; border-top: 1px solid var(--line); }
.legal-shell h2 { margin: 0 0 10px; font-size: 25px; }
.legal-shell .panel { margin-top: 26px; padding: 26px; border-radius: var(--radius); }
.notice { margin-bottom: 24px; padding: 14px 17px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: rgba(85, 185, 255, 0.08); color: var(--muted-strong); }
.legal-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 26px 0; }
.legal-shell ol { padding-left: 1.5rem; text-align: left; }
.legal-shell ol li { padding-left: 0.35rem; }
.back-link { display: inline-flex; margin-top: 26px; color: var(--muted-strong); font-weight: 750; }

@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { max-width: 760px; }
  .product-stage { max-width: 820px; }
  .export-showcase, .privacy-callout { grid-template-columns: 1fr; }
  .workflow-steps { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .audience-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .wrap { width: min(100% - 28px, 1180px); }
  .nav-links { display: none; }
  .mobile-nav { display: block; position: relative; }
  .mobile-nav summary { list-style: none; cursor: pointer; padding: 9px 12px; border: 1px solid var(--line); border-radius: 999px; font-size: 14px; font-weight: 800; }
  .mobile-nav summary::-webkit-details-marker { display: none; }
  .mobile-nav[open] .mobile-links { display: grid; }
  .mobile-links { position: absolute; right: 0; top: 48px; width: 220px; padding: 12px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: #0b121e; box-shadow: var(--shadow); }
  .mobile-links a { padding: 11px 10px; text-decoration: none; font-weight: 760; }
  .hero { padding: 66px 0 64px; }
  .hero h1 { font-size: clamp(48px, 15vw, 72px); }
  .product-tag { position: static; width: fit-content; margin-top: 10px; }
  .product-window { transform: none; border-radius: var(--radius); }
  .product-window img { border-radius: 12px; }
  .proof-grid { grid-template-columns: 1fr; }
  .proof-item { border-left: 0; border-top: 1px solid rgba(255, 255, 255, 0.08); padding-inline: 14px; }
  .proof-item:first-child { border-top: 0; }
  .section { padding: 76px 0; }
  .feature-grid, .audience-grid { grid-template-columns: 1fr; }
  .export-showcase { padding: 28px; }
  .pricing-card { grid-template-columns: 1fr; padding: 28px; }
  .price-list { grid-template-columns: 1fr; }
  .privacy-callout { padding: 28px; }
  .final-cta { padding: 44px 22px; }
  .legal-shell { padding-top: 60px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
  .button:hover { transform: none; }
}