:root {
  --bg: #070b14;
  --bg-soft: #0b1120;
  --panel: rgba(16, 25, 44, .78);
  --panel-solid: #10192c;
  --line: rgba(160, 185, 228, .16);
  --text: #f6f9ff;
  --muted: #9cabca;
  --green: #7cf7d4;
  --blue: #6da8ff;
  --purple: #a98cff;
  --danger: #ff8d98;
  --shadow: 0 28px 80px rgba(0, 0, 0, .36);
  --radius: 24px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 80% 8%, rgba(109, 168, 255, .16), transparent 30%),
    radial-gradient(circle at 10% 25%, rgba(124, 247, 212, .09), transparent 25%),
    var(--bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
img { max-width: 100%; display: block; }

.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.section { padding: 104px 0; position: relative; }
.section-tight { padding-top: 48px; }
.section-heading { max-width: 700px; margin-bottom: 48px; }
.section-heading.center { margin-inline: auto; text-align: center; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 12px;
  border: 1px solid rgba(124, 247, 212, .25);
  border-radius: 999px;
  color: var(--green);
  background: rgba(124, 247, 212, .06);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .09em;
  text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 16px var(--green); }
h1, h2, h3 { margin: 0; line-height: 1.12; letter-spacing: -.035em; }
h1 { margin-top: 22px; font-size: clamp(3rem, 7vw, 6.3rem); max-width: 920px; }
h2 { margin-top: 16px; font-size: clamp(2.1rem, 4.5vw, 4rem); }
h3 { font-size: 1.28rem; }
p { color: var(--muted); margin: 0; }
.lead { margin-top: 24px; max-width: 720px; font-size: clamp(1.02rem, 1.6vw, 1.2rem); }
.gradient-text { background: linear-gradient(120deg, var(--green), var(--blue) 55%, var(--purple)); -webkit-background-clip: text; background-clip: text; color: transparent; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  border-bottom: 1px solid transparent;
  transition: .25s ease;
}
.site-header.scrolled { background: rgba(7, 11, 20, .84); border-color: var(--line); backdrop-filter: blur(18px); }
.navbar { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.logo { width: 210px; flex: 0 0 auto; }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links > a:not(.button) { color: #b9c5dc; font-size: .94rem; font-weight: 650; }
.nav-links > a:not(.button):hover { color: #fff; }
.menu-button { display: none; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 13px; background: var(--panel); color: #fff; }
.menu-button span, .menu-button::before, .menu-button::after { content: ""; display: block; width: 20px; height: 2px; margin: 5px auto; border-radius: 9px; background: currentColor; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 50px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 14px;
  font-weight: 800;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { color: #061019; background: linear-gradient(120deg, var(--green), #87bcff); box-shadow: 0 14px 40px rgba(109, 168, 255, .18); }
.button-secondary { border-color: var(--line); background: rgba(255, 255, 255, .035); color: #fff; }
.button-small { min-height: 43px; padding: 0 17px; font-size: .9rem; }

.hero { min-height: 890px; padding: 176px 0 90px; position: relative; display: flex; align-items: center; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(380px, .82fr); align-items: center; gap: 64px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero-note { display: flex; flex-wrap: wrap; gap: 20px; margin-top: 34px; color: #8291ac; font-size: .88rem; }
.hero-note span { display: flex; align-items: center; gap: 8px; }
.hero-note span::before { content: "✓"; color: var(--green); font-weight: 900; }
.hero-visual { position: relative; min-height: 560px; }
.orbit { position: absolute; border: 1px solid rgba(109, 168, 255, .18); border-radius: 50%; inset: 3% 0; animation: spin 24s linear infinite; }
.orbit.two { inset: 18% 14%; animation-duration: 17s; animation-direction: reverse; }
.orbit::before, .orbit::after { content: ""; position: absolute; width: 12px; height: 12px; border-radius: 50%; background: var(--green); box-shadow: 0 0 24px var(--green); }
.orbit::before { top: 15%; left: 8%; }
.orbit::after { right: 4%; bottom: 25%; background: var(--blue); box-shadow: 0 0 24px var(--blue); }
@keyframes spin { to { transform: rotate(360deg); } }
.gateway-card {
  position: absolute;
  inset: 70px 34px auto;
  min-height: 410px;
  padding: 30px;
  border: 1px solid rgba(176, 201, 244, .2);
  border-radius: 32px;
  background: linear-gradient(145deg, rgba(23, 34, 58, .96), rgba(8, 14, 25, .94));
  box-shadow: var(--shadow);
  overflow: hidden;
  transform: perspective(900px) rotateY(-7deg) rotateX(3deg);
}
.gateway-card::before { content: ""; position: absolute; width: 280px; height: 280px; border-radius: 50%; top: -150px; right: -80px; background: rgba(124, 247, 212, .13); filter: blur(5px); }
.card-top { display: flex; align-items: center; justify-content: space-between; position: relative; }
.card-chip { width: 52px; height: 40px; border-radius: 10px; background: linear-gradient(135deg, #f0d49e, #a77e3f); position: relative; overflow: hidden; }
.card-chip::before, .card-chip::after { content: ""; position: absolute; background: rgba(55, 35, 12, .28); }
.card-chip::before { width: 100%; height: 1px; top: 50%; }
.card-chip::after { height: 100%; width: 1px; left: 50%; }
.card-status { font-size: .73rem; color: var(--green); border: 1px solid rgba(124, 247, 212, .22); padding: 6px 10px; border-radius: 999px; }
.card-title { margin-top: 56px; color: #99a8c3; font-size: .78rem; text-transform: uppercase; letter-spacing: .13em; }
.card-number { margin-top: 12px; font-size: clamp(1.45rem, 4vw, 2.2rem); letter-spacing: .12em; }
.card-footer { display: flex; justify-content: space-between; align-items: end; margin-top: 48px; }
.card-brand { font-weight: 900; font-size: 1.1rem; }
.flow-panel { position: absolute; right: -5px; bottom: 10px; width: 240px; padding: 17px; border: 1px solid var(--line); border-radius: 18px; background: rgba(11, 17, 32, .94); backdrop-filter: blur(16px); box-shadow: var(--shadow); }
.flow-row { display: flex; align-items: center; gap: 12px; }
.flow-row + .flow-row { margin-top: 13px; padding-top: 13px; border-top: 1px solid var(--line); }
.flow-icon { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 12px; background: rgba(109, 168, 255, .1); color: var(--blue); }
.flow-row b { display: block; font-size: .84rem; }
.flow-row small { color: #7f8fa9; }

.trust-strip { border-block: 1px solid var(--line); background: rgba(255,255,255,.018); }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.trust-item { padding: 28px 24px; text-align: center; border-right: 1px solid var(--line); }
.trust-item:last-child { border: 0; }
.trust-item b { display: block; font-size: 1.05rem; }
.trust-item span { color: var(--muted); font-size: .83rem; }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature-card, .step-card, .security-card, .faq-item, .cta-panel {
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(20, 31, 53, .72), rgba(10, 16, 29, .76));
  box-shadow: inset 0 1px rgba(255,255,255,.025);
}
.feature-card { padding: 30px; border-radius: 22px; min-height: 250px; transition: transform .25s ease, border-color .25s ease; }
.feature-card:hover { transform: translateY(-5px); border-color: rgba(124, 247, 212, .3); }
.icon-box { width: 52px; height: 52px; display: grid; place-items: center; border-radius: 16px; margin-bottom: 30px; color: var(--green); background: rgba(124, 247, 212, .08); border: 1px solid rgba(124, 247, 212, .13); font-size: 1.45rem; }
.feature-card p { margin-top: 13px; }
.feature-card .tag { display: inline-flex; margin-top: 22px; padding: 5px 9px; border-radius: 999px; background: rgba(109,168,255,.08); color: #96bfff; font-size: .73rem; font-weight: 800; }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: steps; }
.step-card { padding: 28px; border-radius: 22px; position: relative; counter-increment: steps; }
.step-card::before { content: "0" counter(steps); display: block; margin-bottom: 42px; color: var(--green); font-weight: 900; letter-spacing: .1em; }
.step-card p { margin-top: 12px; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.security-visual { position: relative; min-height: 470px; display: grid; place-items: center; }
.security-ring { width: 360px; height: 360px; border: 1px solid rgba(124,247,212,.2); border-radius: 50%; display: grid; place-items: center; box-shadow: 0 0 100px rgba(124,247,212,.06); }
.security-core { width: 205px; height: 205px; border-radius: 54px; display: grid; place-items: center; text-align: center; background: linear-gradient(145deg, #182742, #0b1221); border: 1px solid rgba(109,168,255,.25); transform: rotate(45deg); }
.security-core > div { transform: rotate(-45deg); }
.shield-mark { font-size: 3rem; }
.security-list { display: grid; gap: 14px; margin-top: 30px; }
.security-card { display: flex; gap: 16px; padding: 18px; border-radius: 17px; }
.security-card span { flex: 0 0 auto; color: var(--green); }
.security-card p { margin-top: 4px; font-size: .9rem; }

.api-shell { border: 1px solid var(--line); border-radius: 26px; overflow: hidden; background: #080d18; box-shadow: var(--shadow); }
.api-bar { display: flex; gap: 7px; padding: 15px 18px; background: #111a2d; border-bottom: 1px solid var(--line); }
.api-bar i { width: 10px; height: 10px; border-radius: 50%; background: #ff7f89; }
.api-bar i:nth-child(2) { background: #ffcc66; }
.api-bar i:nth-child(3) { background: #74ddb8; }
pre { margin: 0; padding: 30px; overflow-x: auto; color: #d8e5ff; font: 500 .88rem/1.8 "SFMono-Regular", Consolas, monospace; }
.code-green { color: var(--green); }
.code-blue { color: #8ebcff; }
.code-muted { color: #667793; }

.faq-list { max-width: 850px; margin-inline: auto; display: grid; gap: 12px; }
.faq-item { border-radius: 18px; overflow: hidden; }
.faq-question { width: 100%; padding: 22px 24px; display: flex; justify-content: space-between; align-items: center; color: #fff; border: 0; background: transparent; text-align: left; font: inherit; font-weight: 800; cursor: pointer; }
.faq-question span:last-child { transition: transform .2s ease; font-size: 1.4rem; color: var(--green); }
.faq-item.open .faq-question span:last-child { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-answer p { padding: 0 24px 23px; }
.faq-item.open .faq-answer { max-height: 240px; }

.cta-panel { padding: clamp(34px, 7vw, 72px); border-radius: 32px; text-align: center; position: relative; overflow: hidden; }
.cta-panel::before { content: ""; position: absolute; inset: -120px auto auto 50%; width: 600px; height: 400px; transform: translateX(-50%); background: radial-gradient(circle, rgba(109,168,255,.22), transparent 65%); }
.cta-panel > * { position: relative; }
.cta-panel p { margin: 18px auto 0; max-width: 650px; }
.cta-panel .hero-actions { justify-content: center; }

.site-footer { padding: 54px 0 30px; border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 50px; }
.footer-brand p { margin-top: 18px; max-width: 360px; }
.footer-col h4 { margin: 0 0 18px; font-size: .82rem; text-transform: uppercase; letter-spacing: .11em; color: #dce5f6; }
.footer-col a { display: block; color: var(--muted); margin: 9px 0; }
.footer-col a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 44px; padding-top: 24px; border-top: 1px solid var(--line); color: #71809a; font-size: .8rem; }
.disclaimer { max-width: 780px; }

.legal-page { padding: 150px 0 90px; min-height: 100vh; }
.legal-card { max-width: 900px; padding: 42px; border-radius: 26px; border: 1px solid var(--line); background: var(--panel); }
.legal-card h1 { font-size: clamp(2.6rem, 6vw, 4.7rem); }
.legal-card h2 { margin-top: 38px; font-size: 1.5rem; }
.legal-card p, .legal-card li { color: var(--muted); }

[data-reveal] { opacity: 0; transform: translateY(20px); transition: opacity .65s ease, transform .65s ease; }
[data-reveal].visible { opacity: 1; transform: none; }

@media (max-width: 1020px) {
  .nav-links { position: absolute; top: 72px; left: 20px; right: 20px; padding: 18px; display: none; align-items: stretch; flex-direction: column; gap: 4px; border: 1px solid var(--line); border-radius: 20px; background: rgba(9, 14, 26, .98); box-shadow: var(--shadow); }
  .nav-links.open { display: flex; }
  .nav-links > a { padding: 11px 10px; }
  .menu-button { display: block; }
  .hero { min-height: auto; }
  .hero-grid, .split { grid-template-columns: 1fr; }
  .hero-visual { max-width: 640px; width: 100%; margin: 0 auto; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1.2fr 1fr 1fr; }
  .footer-brand { grid-column: 1/-1; }
}

@media (max-width: 700px) {
  .container { width: min(calc(100% - 26px), var(--container)); }
  .section { padding: 76px 0; }
  .navbar { min-height: 72px; }
  .logo { width: 176px; }
  .hero { padding-top: 135px; }
  .hero-grid { gap: 30px; }
  h1 { font-size: clamp(2.75rem, 15vw, 4.2rem); }
  .hero-visual { min-height: 430px; }
  .gateway-card { inset: 44px 3px auto; padding: 23px; min-height: 330px; transform: none; }
  .card-title { margin-top: 42px; }
  .card-footer { margin-top: 36px; }
  .flow-panel { width: calc(100% - 22px); right: 11px; bottom: 0; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-item:nth-child(2) { border-right: 0; }
  .trust-item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .feature-grid, .steps { grid-template-columns: 1fr; }
  .security-ring { width: 280px; height: 280px; }
  .security-core { width: 160px; height: 160px; border-radius: 42px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 34px; }
  .footer-brand { grid-column: 1/-1; }
  .footer-bottom { flex-direction: column; }
  pre { padding: 22px; font-size: .77rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition-duration: .01ms !important; }
}