:root {
  color-scheme: dark;
  --bg: #080817;
  --surface: rgba(24, 24, 45, 0.76);
  --surface-strong: #17172d;
  --line: rgba(255, 255, 255, 0.1);
  --text: #f8f8ff;
  --muted: #aaaabe;
  --cyan: #7cecff;
  --violet: #a989ff;
  --max: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Yu Gothic UI", sans-serif;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.ambient {
  position: fixed;
  z-index: -1;
  border-radius: 50%;
  filter: blur(110px);
  opacity: 0.2;
  pointer-events: none;
}

.ambient-one { width: 420px; height: 420px; top: 80px; left: -170px; background: #245cff; }
.ambient-two { width: 460px; height: 460px; top: 380px; right: -220px; background: #9b4dff; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
  padding: 18px 0;
  background: rgba(8, 8, 23, 0.8);
  backdrop-filter: blur(18px);
}

.site-header::before {
  content: "";
  position: fixed;
  inset: 0 0 auto;
  height: 75px;
  z-index: -1;
  background: rgba(8, 8, 23, 0.8);
  border-bottom: 1px solid var(--line);
}

.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 750; text-decoration: none; letter-spacing: -0.02em; }
.brand-mark { display: flex; align-items: center; justify-content: center; gap: 2px; width: 32px; height: 32px; border-radius: 50%; background: linear-gradient(135deg, var(--cyan), var(--violet)); }
.brand-mark i { display: block; width: 2px; border-radius: 3px; background: #0b0b1b; }
.brand-mark i:nth-child(1), .brand-mark i:nth-child(5) { height: 7px; }
.brand-mark i:nth-child(2), .brand-mark i:nth-child(4) { height: 13px; }
.brand-mark i:nth-child(3) { height: 19px; }

nav { display: flex; gap: 28px; }
nav a { color: var(--muted); font-size: 0.9rem; font-weight: 650; text-decoration: none; }
nav a:hover, nav a:focus-visible { color: var(--text); }

main { overflow: hidden; }

.hero {
  position: relative;
  display: grid;
  align-content: center;
  width: min(calc(100% - 40px), var(--max));
  min-height: 720px;
  margin: 0 auto;
  padding: 120px 48% 100px 0;
}

.eyebrow { margin: 0 0 12px; color: var(--cyan); font-size: 0.76rem; font-weight: 800; letter-spacing: 0.16em; }
h1, h2, h3, p { overflow-wrap: anywhere; }
h1 { margin: 0; font-size: clamp(2.55rem, 6vw, 5.3rem); line-height: 1.12; letter-spacing: -0.055em; }
h1 span { color: transparent; background: linear-gradient(100deg, var(--cyan), #e5ddff 55%, var(--violet)); background-clip: text; -webkit-background-clip: text; }
.hero-copy { max-width: 580px; margin: 26px 0 0; color: var(--muted); font-size: 1.04rem; }
.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: 0 22px; border: 1px solid var(--line); border-radius: 999px; font-weight: 750; text-decoration: none; transition: transform 180ms ease, border-color 180ms ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #0a0a19; background: linear-gradient(100deg, var(--cyan), #c4b3ff); border-color: transparent; }
.button-secondary { background: rgba(255,255,255,0.04); }

.visualizer { position: absolute; top: 50%; right: 2%; width: min(41vw, 430px); aspect-ratio: 1; transform: translateY(-50%); }
.disc { position: absolute; inset: 18%; display: grid; place-items: center; border-radius: 50%; background: radial-gradient(circle at 35% 30%, #edfaff, #7792b9 42%, #30324e 70%, #151527); box-shadow: 0 0 80px rgba(124, 236, 255, 0.18), inset 0 0 0 1px rgba(255,255,255,0.28); }
.disc span { display: grid; place-items: center; width: 42%; aspect-ratio: 1; border-radius: 50%; color: #101025; background: rgba(255,255,255,0.82); font-size: clamp(2rem, 5vw, 4.5rem); box-shadow: 0 10px 30px rgba(0,0,0,0.2); }
.bars { position: absolute; inset: 3%; border: 3px dotted rgba(255,255,255,0.34); border-radius: 50%; animation: breathe 4s ease-in-out infinite; }
.bars i { position: absolute; left: 50%; top: -7%; width: 4px; height: 13%; border-radius: 5px; background: linear-gradient(var(--cyan), var(--violet)); transform-origin: 50% 440%; }
.bars i:nth-child(2) { transform: rotate(30deg); height: 8%; }.bars i:nth-child(3) { transform: rotate(60deg); height: 15%; }.bars i:nth-child(4) { transform: rotate(90deg); height: 10%; }.bars i:nth-child(5) { transform: rotate(120deg); height: 16%; }.bars i:nth-child(6) { transform: rotate(150deg); height: 9%; }.bars i:nth-child(7) { transform: rotate(180deg); height: 14%; }.bars i:nth-child(8) { transform: rotate(210deg); height: 7%; }.bars i:nth-child(9) { transform: rotate(240deg); height: 12%; }.bars i:nth-child(10) { transform: rotate(270deg); height: 16%; }.bars i:nth-child(11) { transform: rotate(300deg); height: 8%; }.bars i:nth-child(12) { transform: rotate(330deg); height: 14%; }
@keyframes breathe { 50% { transform: scale(1.035) rotate(2deg); opacity: 0.72; } }

.section { width: min(calc(100% - 40px), var(--max)); margin: 0 auto; padding: 100px 0; scroll-margin-top: 60px; }
.section + .section { border-top: 1px solid var(--line); }
.section-heading { max-width: 670px; margin-bottom: 38px; }
.section-heading h2 { margin: 0; font-size: clamp(2rem, 4vw, 3.25rem); line-height: 1.2; letter-spacing: -0.04em; }
.section-heading > p:last-child { color: var(--muted); }

.contact-card { display: flex; align-items: center; justify-content: space-between; gap: 28px; padding: 34px; border: 1px solid var(--line); border-radius: 28px; background: linear-gradient(135deg, rgba(124,236,255,0.1), rgba(169,137,255,0.08)), var(--surface); box-shadow: 0 24px 80px rgba(0,0,0,0.2); }
.contact-card > div { max-width: 620px; }
.contact-card h3 { margin: 10px 0 4px; font-size: 1.3rem; }
.contact-card p { margin: 0; color: var(--muted); }
.card-icon { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 13px; color: #0b0b1a; background: var(--cyan); font-size: 1.2rem; }
.email-link { flex: none; padding: 13px 18px; border-radius: 999px; color: var(--cyan); background: rgba(124,236,255,0.08); font-weight: 700; text-decoration: none; }
.notice { color: var(--muted); font-size: 0.83rem; }

.faq-list { display: grid; gap: 12px; }
details { border: 1px solid var(--line); border-radius: 18px; background: var(--surface); }
summary { position: relative; padding: 22px 58px 22px 24px; cursor: pointer; list-style: none; font-weight: 720; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 24px; top: 50%; color: var(--cyan); font-size: 1.5rem; font-weight: 400; transform: translateY(-50%); }
details[open] summary::after { content: "−"; }
details p { margin: 0; padding: 0 24px 22px; color: var(--muted); }

.policy-content { padding: clamp(24px, 5vw, 56px); border: 1px solid var(--line); border-radius: 28px; background: rgba(16,16,35,0.78); }
.policy-content h3 { margin: 42px 0 8px; font-size: 1.15rem; }
.policy-content h3:first-of-type { margin-top: 34px; }
.policy-content p { color: #c4c4d2; }
.policy-content a { color: var(--cyan); text-underline-offset: 4px; }
.policy-email { font-weight: 750; }

footer { width: min(calc(100% - 40px), var(--max)); margin: 0 auto; padding: 50px 0 70px; border-top: 1px solid var(--line); color: var(--muted); }
.footer-brand { color: var(--text); }
.copyright { font-size: 0.8rem; }

@media (max-width: 760px) {
  .site-header { width: min(calc(100% - 28px), var(--max)); }
  nav { gap: 15px; }
  nav a { font-size: 0.78rem; }
  nav a:nth-child(2) { display: none; }
  .hero { width: min(calc(100% - 32px), var(--max)); min-height: auto; padding: 90px 0 70px; text-align: center; }
  .hero-copy { margin-inline: auto; }
  .hero-actions { justify-content: center; }
  .visualizer { position: relative; top: auto; right: auto; width: min(78vw, 360px); margin: 54px auto 0; transform: none; }
  .section { width: min(calc(100% - 32px), var(--max)); padding: 72px 0; }
  .contact-card { align-items: flex-start; flex-direction: column; padding: 26px; }
  .email-link { max-width: 100%; overflow-wrap: anywhere; }
}

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