:root {
  --bg: #070a12;
  --surface: rgba(255, 255, 255, 0.075);
  --surface-strong: rgba(255, 255, 255, 0.12);
  --card: #101624;
  --card-2: #0d1220;
  --line: rgba(255, 255, 255, 0.13);
  --text: #f7fbff;
  --muted: #aab6cb;
  --soft: #d6deef;
  --accent: #8b5cf6;
  --accent-2: #20d7b5;
  --accent-3: #f59e0b;
  --danger: #ff4d77;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.45);
  --radius-xl: 34px;
  --radius-lg: 24px;
  --radius-md: 16px;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 8%, rgba(139, 92, 246, 0.42), transparent 34rem),
    radial-gradient(circle at 88% 14%, rgba(32, 215, 181, 0.26), transparent 28rem),
    radial-gradient(circle at 60% 90%, rgba(245, 158, 11, 0.16), transparent 25rem),
    linear-gradient(180deg, #070a12 0%, #0a0f1c 42%, #070a12 100%);
  line-height: 1.6;
  min-height: 100vh;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(to bottom, black, transparent 80%);
}
a { color: inherit; text-decoration: none; }
p { margin: 0; color: var(--muted); }
strong { color: var(--text); }
img, svg { max-width: 100%; }

.skip-link {
  position: absolute;
  left: 16px;
  top: -80px;
  padding: 10px 14px;
  border-radius: 12px;
  background: var(--text);
  color: #050812;
  z-index: 20;
}
.skip-link:focus { top: 14px; }

.page-shell {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 14px;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 14px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(8, 12, 22, 0.72);
  backdrop-filter: blur(24px);
  box-shadow: 0 18px 50px rgba(0,0,0,.25);
}
.brand { display: inline-flex; align-items: center; gap: 10px; padding-left: 4px; }
.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  font-weight: 900;
  font-size: 12px;
  letter-spacing: -0.04em;
  color: white;
}
.brand-text { font-weight: 850; letter-spacing: -0.04em; }
.brand-text span { color: var(--accent-2); }
.nav { display: flex; gap: 6px; }
.nav a {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--soft);
  font-size: 14px;
  transition: background .2s, color .2s;
}
.nav a:hover { background: var(--surface); color: var(--text); }
.nav-cta {
  padding: 11px 17px;
  border-radius: 999px;
  background: rgba(255,255,255,.92);
  color: #090d16;
  font-weight: 800;
  font-size: 14px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(340px, .72fr);
  gap: 26px;
  align-items: center;
  min-height: 760px;
  padding: 86px 0 54px;
}
.eyebrow, .section-kicker, .card-label {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 16px;
  color: var(--accent-2);
  font-weight: 800;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .12em;
}
.eyebrow span {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--accent-2);
  box-shadow: 0 0 0 7px rgba(32, 215, 181, .13);
}
h1, h2, h3 { margin: 0; line-height: 1.08; letter-spacing: -0.055em; }
h1 {
  max-width: 820px;
  font-size: clamp(44px, 7.4vw, 88px);
}
.hero-lead {
  max-width: 760px;
  margin-top: 26px;
  font-size: clamp(17px, 2vw, 21px);
  color: #c8d3e6;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 14px 22px;
  border-radius: 18px;
  font-weight: 850;
  letter-spacing: -0.02em;
  transition: transform .2s, box-shadow .2s, background .2s;
}
.button:hover { transform: translateY(-2px); }
.button-primary {
  color: #071018;
  background: linear-gradient(135deg, #fff 0%, #b8fff0 100%);
  box-shadow: 0 18px 45px rgba(32, 215, 181, .16);
}
.button-secondary {
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--line);
}
.button-light {
  color: #071018;
  background: #fff;
  flex: 0 0 auto;
}
.full { width: 100%; }
.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}
.trust-row span {
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.05);
  color: var(--soft);
  font-size: 13px;
}

.hero-panel { position: relative; }
.hero-panel::before {
  content: "";
  position: absolute;
  inset: 44px -10px -26px 24px;
  border-radius: 42px;
  background: linear-gradient(135deg, rgba(139,92,246,.5), rgba(32,215,181,.22));
  filter: blur(28px);
  opacity: .72;
}
.status-card {
  position: relative;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(160deg, rgba(255,255,255,.14), rgba(255,255,255,.04)),
    rgba(14, 20, 34, .8);
  backdrop-filter: blur(30px);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.status-card::after {
  content: "";
  position: absolute;
  width: 190px;
  height: 190px;
  right: -70px;
  top: -70px;
  border-radius: 999px;
  background: rgba(32, 215, 181, .24);
  filter: blur(6px);
}
.status-top {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
  color: var(--soft);
}
.status-top strong { margin-left: auto; color: white; }
.pulse {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: var(--accent-2);
  box-shadow: 0 0 0 9px rgba(32, 215, 181, .12);
}
.signal-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 10px;
  margin-bottom: 28px;
}
.signal-grid span {
  min-height: 42px;
  border-radius: 14px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.08);
}
.signal-grid span:nth-child(2n) { background: rgba(32,215,181,.15); }
.signal-grid span:nth-child(5n) { background: rgba(139,92,246,.18); }
.mini-steps {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.mini-steps li {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 13px;
  border-radius: 18px;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.08);
  color: #e8eefb;
}
.mini-steps span {
  flex: 0 0 auto;
  color: var(--accent-2);
  font-weight: 900;
}

.quick-answer, .deep-content {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 18px;
  margin: 22px 0 80px;
}
.qa-card, .article-card, .checklist-card, .platform-grid article, .reason-card {
  border: 1px solid var(--line);
  background: rgba(255,255,255,.065);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(18px);
  box-shadow: 0 22px 70px rgba(0,0,0,.22);
}
.qa-card { padding: 28px; }
.main-answer h2, .cta-card h2, .article-card h2, .checklist-card h2 { font-size: clamp(26px, 3vw, 38px); }
.main-answer p, .cta-card p, .article-card p { margin-top: 14px; }
.cta-card {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(139,92,246,.28), rgba(32,215,181,.18));
}
.cta-card::after {
  content: "";
  position: absolute;
  width: 160px;
  height: 160px;
  right: -50px;
  bottom: -60px;
  border-radius: 999px;
  background: rgba(255,255,255,.16);
}
.arrow-link { display: inline-flex; margin-top: 22px; font-weight: 900; color: white; }

.content-section, .matrix-section, .platforms, .faq {
  margin: 92px 0;
}
.content-section h2, .matrix-section h2, .diagnostics-copy h2, .platforms h2, .faq h2, .cta-band h2 {
  font-size: clamp(34px, 5vw, 58px);
  max-width: 900px;
}
.section-intro { max-width: 790px; margin-top: 18px; font-size: 18px; }
.reason-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 30px;
}
.reason-card {
  position: relative;
  padding: 24px;
  min-height: 250px;
  overflow: hidden;
}
.reason-card::before {
  content: "";
  position: absolute;
  width: 120px;
  height: 120px;
  right: -48px;
  top: -52px;
  border-radius: 999px;
  background: rgba(139,92,246,.18);
}
.reason-card .number {
  display: inline-flex;
  margin-bottom: 34px;
  color: var(--accent-2);
  font-weight: 900;
}
.reason-card h3, .platform-grid h3, .timeline-item h3 { font-size: 23px; letter-spacing: -0.04em; }
.reason-card p, .platform-grid p { margin-top: 12px; }

.diagnostics {
  display: grid;
  grid-template-columns: .72fr 1fr;
  gap: 26px;
  align-items: start;
  margin: 100px 0;
}
.diagnostics-copy {
  position: sticky;
  top: 110px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: rgba(255,255,255,.055);
  backdrop-filter: blur(18px);
}
.diagnostics-copy p { margin: 18px 0 24px; font-size: 18px; }
.timeline { display: grid; gap: 14px; }
.timeline-item {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 16px;
  padding: 22px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(255,255,255,.09), rgba(255,255,255,.04));
}
.timeline-item > span {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: rgba(32,215,181,.15);
  color: var(--accent-2);
  font-weight: 900;
}
.timeline-item p { margin-top: 8px; }

.matrix {
  margin-top: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: rgba(255,255,255,.045);
}
.matrix-row {
  display: grid;
  grid-template-columns: .82fr .95fr 1.1fr;
  border-bottom: 1px solid var(--line);
}
.matrix-row:last-child { border-bottom: 0; }
.matrix-row > div { padding: 18px; color: var(--muted); }
.matrix-row > div:first-child { color: white; font-weight: 820; }
.matrix-head {
  background: rgba(255,255,255,.09);
}
.matrix-head > div { color: white; font-weight: 900; }

.deep-content { align-items: start; }
.article-card, .checklist-card { padding: 30px; }
.article-card p + p { margin-top: 16px; }
.checklist-card { background: linear-gradient(160deg, rgba(245,158,11,.16), rgba(139,92,246,.12)); }
.checklist-card ul {
  display: grid;
  gap: 12px;
  margin: 22px 0;
  padding: 0;
  list-style: none;
}
.checklist-card li {
  position: relative;
  padding-left: 32px;
  color: #dbe5f5;
}
.checklist-card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  color: #06100d;
  background: var(--accent-2);
  font-size: 13px;
  font-weight: 900;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 28px;
}
.platform-grid article { padding: 24px; }

.cta-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
  margin: 96px 0;
  padding: 34px;
  border-radius: var(--radius-xl);
  background:
    linear-gradient(135deg, rgba(32,215,181,.95), rgba(139,92,246,.82));
  box-shadow: var(--shadow);
}
.cta-band .section-kicker { color: rgba(255,255,255,.88); margin-bottom: 12px; }
.cta-band h2 { color: white; }
.cta-band p { max-width: 760px; color: rgba(255,255,255,.86); margin-top: 12px; }

.faq-list {
  display: grid;
  gap: 12px;
  margin-top: 26px;
}
details {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255,255,255,.06);
  overflow: hidden;
}
summary {
  cursor: pointer;
  padding: 20px 22px;
  color: white;
  font-weight: 850;
  letter-spacing: -0.03em;
  list-style: none;
}
summary::-webkit-details-marker { display: none; }
summary::after {
  content: "+";
  float: right;
  color: var(--accent-2);
  font-size: 24px;
  line-height: 1;
}
details[open] summary::after { content: "−"; }
details p { padding: 0 22px 22px; }

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  padding: 34px 0 110px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}
.site-footer strong { display: block; margin-bottom: 8px; }
.site-footer p { max-width: 700px; font-size: 14px; }
.site-footer a { color: var(--accent-2); font-weight: 900; }

.floating-cta {
  position: fixed;
  left: 50%;
  bottom: 18px;
  z-index: 11;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 10px 10px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(8, 12, 22, .84);
  backdrop-filter: blur(18px);
  box-shadow: 0 18px 60px rgba(0,0,0,.38);
}
.floating-cta span { color: var(--soft); white-space: nowrap; font-size: 14px; }
.floating-cta a {
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--accent-2);
  color: #06100d;
  font-weight: 900;
  white-space: nowrap;
}

@media (max-width: 980px) {
  .site-header { border-radius: 24px; align-items: flex-start; flex-wrap: wrap; }
  .nav { order: 3; width: 100%; overflow-x: auto; padding: 2px; }
  .hero, .diagnostics, .quick-answer, .deep-content { grid-template-columns: 1fr; }
  .hero { min-height: auto; padding-top: 58px; }
  .diagnostics-copy { position: static; }
  .reason-grid, .platform-grid { grid-template-columns: repeat(2, 1fr); }
  .matrix-row { grid-template-columns: 1fr; }
  .matrix-head { display: none; }
  .matrix-row > div { padding: 14px 18px; }
  .cta-band { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 640px) {
  .page-shell { width: min(100% - 20px, var(--max)); }
  .brand-text { display: none; }
  .nav-cta { margin-left: auto; }
  .hero-actions .button, .button { width: 100%; }
  .hero-panel::before { display: none; }
  .reason-grid, .platform-grid { grid-template-columns: 1fr; }
  .qa-card, .article-card, .checklist-card, .diagnostics-copy, .cta-band { padding: 22px; }
  .timeline-item { grid-template-columns: 1fr; }
  .floating-cta { width: calc(100% - 20px); justify-content: space-between; }
  .floating-cta span { display: none; }
  .floating-cta a { width: 100%; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}