:root {
  --bg: #0a0d12;
  --bg-2: #0f131a;
  --bg-3: #141923;
  --line: #1f2633;
  --text: #e6ecf3;
  --muted: #94a3b8;
  --dim: #64748b;
  --brand: #5a28d9;
  --brand-2: #5a28d9;
  --danger: #f43f5e;
  --radius: 14px;
  --maxw: 1180px;
  --ease: cubic-bezier(.2,.7,.2,1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Inter, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
.skip {
  position: absolute; left: -9999px; top: 8px;
  background: var(--brand); color: #fff; padding: 8px 14px; border-radius: 8px; z-index: 100;
  font-weight: 600; font-size: 14px;
}
.skip:focus { left: 8px; }

:focus-visible {
  outline: 2px solid color-mix(in oklab, var(--brand) 70%, #fff 30%);
  outline-offset: 2px;
  border-radius: 4px;
}
.btn:focus-visible { outline-offset: 3px; }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in oklab, var(--bg) 78%, transparent);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s var(--ease);
}
.nav.scrolled { border-bottom-color: var(--line); }
.nav .wrap {
  display: flex; align-items: center; gap: 24px;
  height: 64px;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 700; letter-spacing: .04em;
}
.brand span { font-size: 15px; }
.nav nav { display: flex; gap: 28px; margin-left: 24px; flex: 1; }
.nav nav a {
  color: var(--muted); font-size: 14px; font-weight: 500;
  transition: color .15s var(--ease);
}
.nav nav a:hover { color: var(--text); }
.nav-cta { display: flex; align-items: center; gap: 14px; }
.link { color: var(--muted); font-size: 14px; }
.link:hover { color: var(--text); }
.menu-btn {
  display: none;
  background: none; border: none; padding: 8px;
  flex-direction: column; gap: 4px;
}
.menu-btn span {
  display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px;
  transition: transform .2s var(--ease), opacity .2s var(--ease);
}
.mobile-cta { display: none; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: 10px;
  font-size: 14px; font-weight: 600;
  border: 1px solid transparent;
  transition: transform .15s var(--ease), background .15s var(--ease), border-color .15s var(--ease), box-shadow .15s var(--ease);
  white-space: nowrap;
}
.btn-lg { padding: 14px 22px; font-size: 15px; border-radius: 12px; }
.btn-primary {
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-2) 100%);
  color: #fff;
  box-shadow: 0 0 0 1px rgba(90,40,217,.35), 0 8px 24px -8px rgba(90,40,217,.6);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 0 0 1px rgba(90,40,217,.5), 0 12px 32px -8px rgba(90,40,217,.7); }
.btn-ghost {
  background: transparent; color: var(--text); border-color: var(--line);
}
.btn-ghost:hover { border-color: var(--muted); background: var(--bg-2); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 88px 0 96px;
  overflow: hidden;
  isolation: isolate;
}
.hero-bg {
  position: absolute; inset: 0; z-index: -1;
  mask-image: radial-gradient(ellipse at 50% 30%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 30%, #000 30%, transparent 80%);
}
.hero-bg svg { width: 100%; height: 100%; }
.hero-bg .traces path { stroke-dasharray: 1400; stroke-dashoffset: 1400; animation: draw 4.5s var(--ease) forwards; }
.hero-bg .traces path:nth-child(2) { animation-delay: .3s; }
.hero-bg .traces path:nth-child(3) { animation-delay: .6s; }
.hero-bg .traces path:nth-child(4) { animation-delay: .9s; }
.hero-bg .pads circle { opacity: 0; animation: fadeIn .6s var(--ease) 3s forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes fadeIn { to { opacity: 1; } }

.hero-content { position: relative; text-align: center; max-width: 880px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase;
  color: color-mix(in oklab, var(--brand) 55%, #fff 45%);
  padding: 6px 14px;
  border: 1px solid color-mix(in oklab, var(--brand) 35%, transparent);
  border-radius: 999px;
  background: color-mix(in oklab, var(--brand) 10%, transparent);
  margin: 0 0 24px;
}
.eyebrow::before {
  content: "";
  width: 6px; height: 6px;
  background: var(--brand);
  border-radius: 50%;
  box-shadow: 0 0 8px color-mix(in oklab, var(--brand) 80%, transparent);
}
h1 {
  font-size: clamp(40px, 6.5vw, 72px);
  line-height: 1.05; letter-spacing: -.02em;
  margin: 0 0 20px;
  font-weight: 700;
}
.grad {
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lede {
  font-size: clamp(16px, 1.6vw, 19px);
  color: var(--muted);
  max-width: 640px; margin: 0 0 32px;
}
.hero-content .lede { margin-left: auto; margin-right: auto; }
.hero-actions {
  display: flex; gap: 12px; justify-content: center; flex-wrap: wrap;
}

/* ---------- Sections ---------- */
section { padding: 88px 0; }
section h2 {
  font-size: clamp(28px, 4vw, 44px); letter-spacing: -.02em; line-height: 1.15;
  margin: 0 0 16px; font-weight: 700; max-width: 760px;
}
.kicker { font-size: 13px; color: var(--muted); text-transform: uppercase; letter-spacing: .14em; text-align: center; margin: 0 auto 32px; font-weight: 600; max-width: none; }

/* logos marquee */
.logos { padding: 64px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--bg-2); }
.marquee {
  overflow: hidden;
  width: 100%;
  -webkit-mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
          mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 60s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
.logo-group {
  list-style: none; padding: 0; margin: 0;
  display: flex; align-items: center;
  gap: 64px;
  padding-right: 64px;
}
.logo-group li { flex: 0 0 auto; display: flex; align-items: center; }
.logo-group img {
  height: 38px; width: auto;
  max-width: 180px;
  object-fit: contain;
  opacity: .75;
  transition: opacity .2s var(--ease);
}
.logo-group img:hover { opacity: 1; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* features */
.grid-4 {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
  margin-top: 48px;
}
.card {
  background: linear-gradient(180deg, var(--bg-2), var(--bg-3));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  transition: transform .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.card:hover { transform: translateY(-2px); border-color: color-mix(in oklab, var(--brand) 30%, var(--line)); box-shadow: 0 20px 40px -20px rgba(0,0,0,.5); }
.card .icon {
  width: 40px; height: 40px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  background: color-mix(in oklab, var(--brand) 12%, transparent);
  color: var(--brand);
  margin-bottom: 18px;
}
.card .icon svg { width: 22px; height: 22px; }
.card h3 { font-size: 17px; margin: 0 0 8px; font-weight: 600; letter-spacing: -.01em; }
.card p { margin: 0; color: var(--muted); font-size: 14.5px; }

/* how-it-works tabs */
.how { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.tabs { margin-top: 48px; }
.tab-bar {
  display: flex; gap: 8px;
  padding: 6px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 999px;
  width: fit-content;
  margin: 0 auto 32px;
}
.tab-btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 10px 22px;
  border-radius: 999px;
  background: transparent;
  border: none;
  color: var(--muted);
  font-size: 14px; font-weight: 600;
  transition: color .2s var(--ease), background .2s var(--ease);
}
.tab-btn:hover { color: var(--text); }
.tab-btn.is-active {
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-2) 100%);
  color: #fff;
  box-shadow: 0 4px 14px -4px rgba(90,40,217,.55);
}
.tab-num {
  font-size: 11px; font-weight: 700;
  opacity: .7;
  font-variant-numeric: tabular-nums;
}
.tab-panel {
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px;
  align-items: center;
  animation: fade .4s var(--ease);
}
.tab-panel[hidden] { display: none; }
.tab-video {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 16 / 10;
  box-shadow: 0 30px 60px -30px rgba(0,0,0,.6);
}
.tab-video video {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.tab-copy h3 {
  font-size: clamp(22px, 2.4vw, 28px);
  letter-spacing: -.01em;
  margin: 0 0 14px;
  font-weight: 700;
}
.tab-copy p {
  margin: 0 0 12px;
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
}
.tab-copy p.muted { color: var(--muted); }
@keyframes fade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* security */
.security .check {
  margin-top: 40px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 32px;
}
.security .actions {
  display: flex; flex-wrap: wrap; gap: 12px;
  margin-top: 36px;
}
.check {
  list-style: none; padding: 0;
  margin: 0;
  display: grid; gap: 12px;
}
.check li {
  padding-left: 30px; position: relative; color: var(--muted); font-size: 15px;
}
.check li::before {
  content: ""; position: absolute; left: 0; top: 6px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: color-mix(in oklab, var(--brand) 18%, transparent);
  border: 1px solid color-mix(in oklab, var(--brand) 40%, transparent);
}
.check li::after {
  content: ""; position: absolute; left: 5px; top: 10px;
  width: 8px; height: 4px;
  border-left: 1.8px solid var(--brand);
  border-bottom: 1.8px solid var(--brand);
  transform: rotate(-45deg);
}

/* cta */
.cta {
  text-align: center; padding: 96px 0;
  border-top: 1px solid var(--line);
  background:
    radial-gradient(ellipse at 50% 0%, color-mix(in oklab, var(--brand) 8%, transparent), transparent 60%),
    var(--bg);
}
.cta h2 { margin: 0 auto 16px; max-width: 720px; }
.cta .lede { margin: 0 auto 32px; }
.contact {
  display: grid; gap: 14px;
  max-width: 560px; margin: 0 auto;
  text-align: left;
}
.contact-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px;
}
.field { display: flex; flex-direction: column; gap: 6px; }
.field-label {
  font-size: 12px; font-weight: 600;
  letter-spacing: .06em; text-transform: uppercase;
  color: var(--muted);
}
.contact input,
.contact textarea {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--text); font: inherit;
  line-height: 1.5;
  transition: border-color .15s var(--ease), background .15s var(--ease), box-shadow .15s var(--ease);
}
.contact textarea {
  resize: vertical;
  min-height: 90px;
  font-family: inherit;
}
.contact input::placeholder,
.contact textarea::placeholder { color: var(--dim); }
.contact input:focus,
.contact textarea:focus {
  outline: none;
  border-color: color-mix(in oklab, var(--brand) 55%, var(--line));
  background: var(--bg-3);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--brand) 18%, transparent);
}
.contact .btn { justify-self: center; margin-top: 4px; min-width: 200px; }

@media (max-width: 520px) {
  .contact-row { grid-template-columns: 1fr; }
  .contact .btn { width: 100%; }
}

/* Privacy / legal page */
.legal { padding: 32px 0 80px; }
.legal-wrap { max-width: 760px; margin: 0 auto; }
.legal-meta {
  font-size: 13px; color: var(--muted);
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 32px;
}
.legal h2 {
  font-size: 22px; font-weight: 700; letter-spacing: -.01em;
  margin: 40px 0 12px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  scroll-margin-top: 80px;
  max-width: none;
}
.legal h2:first-of-type { border-top: none; padding-top: 0; margin-top: 0; }
.legal h3 {
  font-size: 16px; font-weight: 600;
  color: var(--text);
  margin: 24px 0 8px;
}
.legal p { color: var(--muted); margin: 0 0 14px; line-height: 1.7; font-size: 15px; }
.legal ul, .legal ol { color: var(--muted); padding-left: 22px; margin: 0 0 18px; line-height: 1.7; font-size: 15px; }
.legal li { margin-bottom: 6px; }
.legal strong { color: var(--text); font-weight: 600; }
.legal a { color: color-mix(in oklab, var(--brand) 60%, #fff 40%); text-decoration: underline; text-underline-offset: 3px; text-decoration-color: color-mix(in oklab, var(--brand) 40%, transparent); }
.legal a:hover { color: #fff; text-decoration-color: var(--brand); }
.muted { color: var(--muted); }
.small { font-size: 13px; }

/* footer */
.foot {
  border-top: 1px solid var(--line);
  background: var(--bg-2);
  padding: 56px 0 32px;
}
.foot-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px;
  margin-bottom: 40px;
}
.foot-grid h4 {
  font-size: 12px; text-transform: uppercase; letter-spacing: .12em;
  color: var(--muted); margin: 0 0 16px; font-weight: 600;
}
.foot-grid a {
  display: block; color: var(--muted); font-size: 14px; margin-bottom: 10px;
  transition: color .15s var(--ease);
}
.foot-grid a:hover { color: var(--text); }
.foot-bottom {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
  padding-top: 24px; border-top: 1px solid var(--line);
}

/* ---------- Sub-pages (FAQ, How to use) ---------- */
.nav nav a[aria-current="page"] { color: var(--text); }
.nav nav a[aria-current="page"]::after {
  content: "";
  display: block;
  height: 2px; width: 100%;
  background: var(--brand);
  border-radius: 2px;
  margin-top: 2px;
  box-shadow: 0 0 8px color-mix(in oklab, var(--brand) 70%, transparent);
}

.text-link {
  color: color-mix(in oklab, var(--brand) 60%, #fff 40%);
  text-decoration: underline;
  text-decoration-color: color-mix(in oklab, var(--brand) 40%, transparent);
  text-underline-offset: 3px;
  transition: color .15s var(--ease), text-decoration-color .15s var(--ease);
}
.text-link:hover { color: #fff; text-decoration-color: var(--brand); }

.page-hero {
  position: relative;
  padding: 96px 0 64px;
  text-align: center;
  overflow: hidden;
  isolation: isolate;
}
.page-hero::before {
  content: "";
  position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(ellipse at 50% 0%, color-mix(in oklab, var(--brand) 18%, transparent), transparent 55%);
}
.page-hero .eyebrow { margin-bottom: 20px; }
.page-hero h1 {
  font-size: clamp(36px, 5.5vw, 60px);
  line-height: 1.05;
  letter-spacing: -.02em;
  margin: 0 auto 16px;
  max-width: 820px;
  font-weight: 700;
}
.page-hero .lede {
  max-width: 640px;
  margin-left: auto; margin-right: auto;
}
.page-hero .hero-actions { margin-top: 8px; }

/* FAQ */
.faq { padding: 64px 0 96px; }
.faq-group { margin-bottom: 56px; }
.faq-group:last-child { margin-bottom: 0; }
.faq-group h2 {
  font-size: clamp(22px, 2.4vw, 28px);
  letter-spacing: -.01em;
  margin: 0 0 20px;
  font-weight: 700;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.faq-list {
  display: grid; gap: 10px;
}
.faq-list details {
  background: linear-gradient(180deg, var(--bg-2), var(--bg-3));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color .2s var(--ease), background .2s var(--ease);
}
.faq-list details[open] {
  border-color: color-mix(in oklab, var(--brand) 35%, var(--line));
}
.faq-list summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 22px;
  display: flex; align-items: center; gap: 16px;
  font-weight: 600; font-size: 15.5px;
  color: var(--text);
  line-height: 1.4;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "";
  margin-left: auto;
  width: 10px; height: 10px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg);
  transition: transform .2s var(--ease), border-color .2s var(--ease);
  flex: 0 0 auto;
}
.faq-list details[open] summary::after {
  transform: rotate(-135deg);
  border-color: var(--brand);
}
.faq-list summary:hover { color: var(--text); }
.faq-body {
  padding: 0 22px 20px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.65;
}
.faq-body p { margin: 0 0 10px; }
.faq-body p:last-child { margin-bottom: 0; }
.faq-body code {
  background: color-mix(in oklab, var(--brand) 12%, var(--bg));
  border: 1px solid color-mix(in oklab, var(--brand) 25%, transparent);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 13px;
  color: color-mix(in oklab, var(--brand) 55%, #fff 45%);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

/* How-to-use docs */
.docs { padding: 64px 0; }
.docs-alt { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.docs .eyebrow { margin-bottom: 16px; }
.docs > .wrap > h2 {
  margin-bottom: 16px;
}
.docs > .wrap > .lede {
  margin-bottom: 36px;
}

.docs-toc {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin: 0 0 40px;
  padding: 16px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.docs-toc a {
  display: inline-flex; align-items: center;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--bg);
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px; font-weight: 500;
  transition: color .15s var(--ease), border-color .15s var(--ease), background .15s var(--ease);
}
.docs-toc a:hover {
  color: var(--text);
  border-color: color-mix(in oklab, var(--brand) 40%, var(--line));
  background: color-mix(in oklab, var(--brand) 6%, var(--bg));
}

.doc-card {
  background: linear-gradient(180deg, var(--bg-2), var(--bg-3));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 32px;
  margin-bottom: 16px;
  scroll-margin-top: 80px;
}
.docs-alt .doc-card { background: linear-gradient(180deg, var(--bg), var(--bg-2)); }
.doc-card:last-child { margin-bottom: 0; }
.doc-card header h3 {
  margin: 0 0 16px;
  font-size: 18px; font-weight: 600; letter-spacing: -.01em;
  color: var(--text);
}

.step-list {
  counter-reset: step;
  list-style: none;
  padding: 0; margin: 0;
  display: grid; gap: 10px;
}
.step-list li {
  counter-increment: step;
  padding: 4px 0 4px 36px;
  position: relative;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
}
.step-list li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute; left: 0; top: 4px;
  font-size: 11px; font-weight: 700; letter-spacing: .08em;
  color: var(--brand);
  background: color-mix(in oklab, var(--brand) 12%, transparent);
  border: 1px solid color-mix(in oklab, var(--brand) 30%, transparent);
  padding: 3px 7px;
  border-radius: 6px;
  font-variant-numeric: tabular-nums;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
.step-list code {
  background: var(--bg);
  border: 1px solid var(--line);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 13px;
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
.step-list strong { color: var(--text); font-weight: 600; }
.step-list em { color: var(--text); font-style: normal; background: color-mix(in oklab, var(--brand) 14%, transparent); padding: 1px 6px; border-radius: 4px; }

.callout {
  margin: 18px 0 0;
  padding: 14px 18px;
  background: color-mix(in oklab, var(--brand) 8%, transparent);
  border: 1px solid color-mix(in oklab, var(--brand) 25%, transparent);
  border-left-width: 3px;
  border-radius: 8px;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.55;
}
.callout strong { color: color-mix(in oklab, var(--brand) 55%, #fff 45%); font-weight: 700; }
.callout code {
  background: var(--bg);
  border: 1px solid var(--line);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 13px;
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.info-card {
  display: grid; grid-template-columns: 1fr auto;
  gap: 32px; align-items: center;
  background: linear-gradient(135deg, color-mix(in oklab, var(--brand) 10%, var(--bg-3)), var(--bg-3));
  border: 1px solid color-mix(in oklab, var(--brand) 25%, var(--line));
  border-radius: var(--radius);
  padding: 28px 32px;
}
.info-card-text h3 {
  margin: 0 0 6px;
  font-size: 19px; font-weight: 700; letter-spacing: -.01em;
}
.info-card-text p {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 15px;
}
.info-card-icon {
  color: color-mix(in oklab, var(--brand) 60%, #fff 40%);
  opacity: .8;
}
.info-card-icon svg { width: 72px; height: 72px; }

/* responsive page-hero */
@media (max-width: 900px) {
  .page-hero { padding: 64px 0 40px; }
  .faq { padding: 40px 0 64px; }
  .docs { padding: 48px 0; }
  .doc-card { padding: 22px 22px; }
  .info-card { grid-template-columns: 1fr; gap: 20px; text-align: left; }
  .info-card-icon svg { width: 56px; height: 56px; }
}

/* reveal anim */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .nav nav, .nav-cta { display: none; }
  .menu-btn { display: flex; }
  .nav.open nav {
    display: flex; flex-direction: column; gap: 0;
    position: absolute; top: 64px; left: 0; right: 0;
    background: var(--bg-2); border-bottom: 1px solid var(--line);
    padding: 8px 24px 20px;
  }
  .nav.open nav a { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .nav.open .mobile-cta {
    display: inline-flex; justify-content: center;
    margin-top: 12px; padding: 12px 22px; border-bottom: none;
    background: linear-gradient(135deg, var(--brand) 0%, var(--brand-2) 100%);
    color: #fff;
    font-weight: 600; border-radius: 10px;
    box-shadow: 0 0 0 1px rgba(90,40,217,.35), 0 8px 24px -8px rgba(90,40,217,.6);
  }
  .nav.open .menu-btn span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .nav.open .menu-btn span:nth-child(2) { opacity: 0; }
  .nav.open .menu-btn span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .tab-panel { grid-template-columns: 1fr; gap: 24px; }
  .tab-bar { width: 100%; justify-content: center; }
  .tab-btn { padding: 8px 14px; font-size: 13px; }
  .security .check { grid-template-columns: 1fr; }
  .security .actions { margin-top: 28px; }
  .logo-group { gap: 44px; padding-right: 44px; }
  .logo-group img { height: 32px; max-width: 140px; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  section { padding: 64px 0; }
  .hero { padding: 56px 0 72px; }
  .cta { padding: 72px 0; }
}
@media (max-width: 520px) {
  .grid-4 { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr; gap: 28px; }
  .btn-lg { width: 100%; }
  .hero-actions { flex-direction: column; align-items: stretch; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
}