:root{
  --bg:#06090d;
  --bg2:#091018;
  --surface:rgba(18,29,42,.34);
  --surface-strong:rgba(18,29,42,.5);
  --surface-soft:rgba(255,255,255,.05);
  --line:rgba(131,203,255,.16);
  --line-strong:rgba(131,203,255,.28);
  --text:#f4fbff;
  --muted:#9fb3c3;
  --muted2:#708395;
  --blue:#3cbcff;
  --blue2:#74d8ff;
  --blue3:#1493d6;
  --danger:#ef6170;
  --radius:28px;
  --shadow:0 30px 80px rgba(0,0,0,.28);
  --glass-highlight:inset 0 1px 0 rgba(255,255,255,.24), inset 0 -1px 0 rgba(255,255,255,.03);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}

a{color:inherit;text-decoration:none}
button,input{font:inherit}

body{
  margin:0;
  color:var(--text);
  background:
    radial-gradient(circle at 10% 0%,rgba(31,193,255,.18),transparent 28rem),
    radial-gradient(circle at 88% 8%,rgba(82,158,255,.16),transparent 30rem),
    radial-gradient(circle at 45% 80%,rgba(56,189,248,.08),transparent 28rem),
    linear-gradient(180deg,#04070b 0%,#060a10 38%,#05090d 100%);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  min-height:100vh;
}

.container{
  width:min(1180px,calc(100% - 112px));
  margin:0 auto;
}

.header{
  position:sticky;
  top:0;
  z-index:50;
  padding:18px 0 10px;
  background:transparent;
  border-bottom:none;
}

.nav{
  display:flex;
  align-items:center;
  gap:28px;
  min-height:74px;
  padding:14px 18px;
  border-radius:20px;
  background:linear-gradient(180deg,rgba(24,38,54,.42),rgba(12,21,31,.28));
  border:1px solid rgba(156,220,255,.14);
  box-shadow:
    var(--glass-highlight),
    0 22px 60px rgba(0,0,0,.22),
    0 0 0 1px rgba(255,255,255,.015);
  backdrop-filter:blur(24px) saturate(165%);
  -webkit-backdrop-filter:blur(24px) saturate(165%);
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  font-weight:800;
  font-size:22px;
  line-height:1;
  letter-spacing:-.02em;
  margin-right:14px;
}

.brand img{
  width:42px;
  height:42px;
  display:block;
  object-fit:contain;
  flex-shrink:0;
  filter:drop-shadow(0 8px 22px rgba(59,188,255,.18));
}

.brand span{
  display:flex;
  align-items:center;
  height:42px;
  line-height:1;
  transform:translateY(-1px);
}

.links{
  display:flex;
  align-items:center;
  gap:12px;
  flex:1;
}

.links a,
.mobile-nav a{
  color:#d2deea;
  font-size:15px;
  padding:12px 16px;
  border-radius:16px;
  border:1px solid transparent;
  transition:.18s;
}

.links a:hover,
.mobile-nav a:hover{
  color:#fff;
  background:rgba(255,255,255,.05);
  border-color:rgba(145,205,255,.12);
}

.nav-actions{
  display:flex;
  gap:10px;
  align-items:center;
}

.btn,
.menu{
  min-height:48px;
  padding:0 18px;
  border-radius:18px;
  border:1px solid rgba(140,205,255,.18);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-weight:700;
  font-size:14px;
  cursor:pointer;
  transition:.18s ease;
  color:#ecf9ff;
  background:linear-gradient(180deg,rgba(88,186,255,.17),rgba(27,68,102,.16));
  box-shadow:var(--glass-highlight),0 10px 30px rgba(0,0,0,.14);
  backdrop-filter:blur(18px) saturate(155%);
  -webkit-backdrop-filter:blur(18px) saturate(155%);
}

.btn:hover,
.menu:hover{
  transform:translateY(-1px);
  border-color:rgba(140,205,255,.32);
  background:linear-gradient(180deg,rgba(109,205,255,.21),rgba(28,84,128,.22));
  box-shadow:var(--glass-highlight),0 14px 34px rgba(0,0,0,.18),0 0 22px rgba(60,188,255,.1);
}

.btn.primary{
  border-color:rgba(133,218,255,.28);
  background:linear-gradient(180deg,rgba(91,206,255,.34),rgba(28,118,173,.28));
  box-shadow:var(--glass-highlight),0 14px 34px rgba(27,129,184,.2),0 0 0 1px rgba(255,255,255,.025);
}

.btn.primary:hover{
  background:linear-gradient(180deg,rgba(117,216,255,.4),rgba(29,129,191,.32));
  box-shadow:var(--glass-highlight),0 18px 42px rgba(27,129,184,.24),0 0 26px rgba(76,201,255,.12);
}

.btn.ghost{
  background:linear-gradient(180deg,rgba(63,130,176,.12),rgba(19,48,74,.12));
}

.menu{
  display:none;
  width:48px;
  padding:0;
}

.mobile-nav{
  display:none;
  margin-top:12px;
  padding:16px;
  border-radius:24px;
  background:linear-gradient(180deg,rgba(23,34,48,.48),rgba(10,18,26,.3));
  border:1px solid rgba(156,220,255,.13);
  box-shadow:var(--glass-highlight),0 22px 50px rgba(0,0,0,.18);
  backdrop-filter:blur(22px) saturate(150%);
  -webkit-backdrop-filter:blur(22px) saturate(150%);
}

.hero{
  min-height:680px;
  display:flex;
  align-items:center;
  position:relative;
  overflow:hidden;
}

.hero::before{
  content:"";
  position:absolute;
  width:580px;
  height:580px;
  right:2%;
  top:24px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(33,186,255,.18),rgba(33,186,255,0) 68%);
  filter:blur(20px);
  pointer-events:none;
}

.hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(120deg,transparent 0%,rgba(255,255,255,.025) 28%,transparent 40%),
    linear-gradient(180deg,transparent 0%,rgba(255,255,255,.015) 100%);
  pointer-events:none;
}

.hero-grid{
  display:block;
  padding:88px 0 100px;
}

.hero-copy{
  max-width:860px;
  position:relative;
  z-index:2;
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  color:#8be3ff;
  font-weight:800;
  font-size:12px;
  text-transform:uppercase;
  letter-spacing:.13em;
  margin-bottom:18px;
}

.dot{
  width:8px;
  height:8px;
  border-radius:50%;
  background:#4fcfff;
  box-shadow:0 0 18px #38bdf8;
}

h1{
  font-size:clamp(54px,6.2vw,90px);
  line-height:.98;
  letter-spacing:-.055em;
  margin:0 0 24px;
  max-width:900px;
}

.gradient-text{
  background:linear-gradient(100deg,#ffffff 0%,#d8f5ff 42%,#7edcff 100%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

.hero p{
  color:#a9bdcc;
  font-size:19px;
  line-height:1.65;
  max-width:760px;
  margin:0 0 30px;
}

.hero-actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}

.section{padding:100px 0}
.section.small{padding:72px 0}

.section-title{
  font-size:clamp(38px,5vw,62px);
  line-height:1.05;
  letter-spacing:-.045em;
  margin:0 0 18px;
}

.section-lead{
  color:var(--muted);
  font-size:18px;
  line-height:1.7;
  max-width:720px;
  margin:0 0 42px;
}

.grid4{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:14px;
}

.card,
.step,
.social,
.rule,
.cosmetic-copy,
.article-block{
  box-shadow:var(--glass-highlight);
}

.card{
  border:1px solid rgba(131,203,255,.12);
  border-radius:24px;
  padding:24px;
  background:linear-gradient(180deg,rgba(18,29,42,.36),rgba(11,19,27,.22));
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  min-height:190px;
  transition:.2s;
}

.card:hover{
  transform:translateY(-3px);
  border-color:rgba(131,203,255,.24);
  background:linear-gradient(180deg,rgba(23,38,55,.42),rgba(13,21,31,.26));
}

.card-icon{
  width:42px;
  height:42px;
  border-radius:13px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:rgba(84,198,255,.12);
  border:1px solid rgba(84,198,255,.2);
  color:#7fe1ff;
  margin-bottom:24px;
}

.card h3{
  font-size:18px;
  margin:0 0 10px;
}

.card p{
  color:var(--muted);
  font-size:14px;
  line-height:1.6;
  margin:0;
}

.steps{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:14px;
}

.step{
  padding:30px;
  border-radius:24px;
  border:1px solid rgba(131,203,255,.12);
  background:linear-gradient(180deg,rgba(18,29,42,.34),rgba(11,19,27,.2));
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
}

.step-num{
  font-size:12px;
  font-weight:900;
  letter-spacing:.12em;
  color:#76daff;
  margin-bottom:54px;
}

.step h3{
  font-size:22px;
  margin:0 0 11px;
}

.step p{
  color:var(--muted);
  line-height:1.65;
  margin:0;
}

.cosmetic-copy{
  min-height:340px;
  border:1px solid rgba(131,203,255,.13);
  border-radius:20px;
  padding:42px;
  background:
    radial-gradient(circle at 90% 25%,rgba(16,174,234,.12),transparent 28rem),
    linear-gradient(180deg,rgba(18,29,42,.34),rgba(11,19,27,.22));
  backdrop-filter:blur(18px) saturate(145%);
  -webkit-backdrop-filter:blur(18px) saturate(145%);
  display:flex;
  flex-direction:column;
  justify-content:center;
}

.cosmetic-copy-wide{width:100%}

.cosmetic-copy h2{
  font-size:46px;
  letter-spacing:-.04em;
  margin:0 0 18px;
}

.cosmetic-copy p{
  color:var(--muted);
  font-size:17px;
  line-height:1.7;
  max-width:720px;
}

.pills{
  display:flex;
  gap:9px;
  flex-wrap:wrap;
  margin:20px 0 28px;
}

.pill{
  border:1px solid rgba(131,203,255,.14);
  border-radius:999px;
  padding:8px 12px;
  color:#d2f5ff;
  background:rgba(89,186,255,.08);
  font-size:13px;
  font-weight:700;
  box-shadow:var(--glass-highlight);
}

.social-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:14px;
}

.social{
  padding:22px;
  border-radius:22px;
  border:1px solid rgba(131,203,255,.12);
  background:linear-gradient(180deg,rgba(18,29,42,.34),rgba(11,19,27,.2));
  display:flex;
  justify-content:space-between;
  align-items:center;
  transition:.18s;
  backdrop-filter:blur(14px) saturate(135%);
  -webkit-backdrop-filter:blur(14px) saturate(135%);
}

.social:hover{
  border-color:rgba(131,203,255,.24);
  transform:translateY(-2px);
}

.social strong{
  display:block;
  margin-bottom:5px;
}

.social span{
  font-size:12px;
  color:var(--muted);
}

.arrow{
  color:#84deff;
  font-size:20px;
}

.footer{
  border-top:1px solid rgba(131,203,255,.08);
  padding:54px 0 34px;
  background:rgba(4,8,12,.24);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}

.footer-grid{
  display:grid;
  grid-template-columns:1.5fr repeat(3,1fr);
  gap:40px;
}

.footer .brand{
  display:inline-flex;
  align-items:center;
  margin-bottom:15px;
}

.footer p{
  color:var(--muted);
  line-height:1.7;
  max-width:380px;
}

.footer h4{
  margin:0 0 14px;
  font-size:13px;
  color:#dceaf1;
}

.footer a:not(.brand){
  display:block;
  color:#8ea0af;
  font-size:13px;
  margin:10px 0;
}

.footer a:not(.brand):hover{color:#fff}

.copyright{
  display:flex;
  justify-content:space-between;
  gap:20px;
  margin-top:44px;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.06);
  color:#637482;
  font-size:12px;
}

.reveal{
  opacity:0;
  transform:translateY(14px);
  transition:.55s ease;
}

.reveal.revealed{
  opacity:1;
  transform:none;
}

.toast{
  position:fixed;
  left:50%;
  bottom:28px;
  transform:translate(-50%,12px);
  opacity:0;
  background:linear-gradient(180deg,rgba(23,37,53,.52),rgba(12,19,27,.34));
  border:1px solid rgba(145,205,255,.18);
  color:#eaf7fd;
  border-radius:18px;
  padding:12px 16px;
  z-index:100;
  transition:.22s;
  box-shadow:var(--glass-highlight),0 18px 50px rgba(0,0,0,.28);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
}

.toast.show{
  opacity:1;
  transform:translate(-50%,0);
}

.page-hero{padding:110px 0 46px}
.page-hero h1{font-size:58px}

.article{padding:20px 0 100px}

.article-block{
  border-top:1px solid rgba(131,203,255,.08);
  padding:40px 0;
  display:grid;
  grid-template-columns:100px 1fr;
  gap:30px;
}

.article-num{
  color:#76daff;
  font-weight:900;
}

.article h2{
  margin:0 0 15px;
  font-size:28px;
}

.article p{
  color:var(--muted);
  line-height:1.75;
  max-width:740px;
}

.rules{
  display:grid;
  gap:12px;
}

.rule{
  border:1px solid rgba(131,203,255,.12);
  background:linear-gradient(180deg,rgba(18,29,42,.34),rgba(11,19,27,.2));
  border-radius:20px;
  padding:20px;
  backdrop-filter:blur(14px) saturate(135%);
  -webkit-backdrop-filter:blur(14px) saturate(135%);
}

.rule strong{
  display:block;
  margin-bottom:7px;
}

.rule span{
  color:var(--muted);
  line-height:1.55;
  font-size:14px;
}

@media(max-width:900px){
  .container{width:min(100% - 48px,1180px)}

  .links,.nav-actions{display:none}

  .menu{
    display:inline-flex;
    margin-left:auto;
  }

  .mobile-nav.open{
    display:flex;
    flex-direction:column;
    gap:8px;
  }

  .hero{min-height:auto}
  .hero-grid{padding:80px 0}

  .grid4,.social-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .article-block{grid-template-columns:1fr}
}

@media(max-width:560px){
  .container{width:min(100% - 28px,1180px)}

  .header{padding:14px 0 8px}
  .nav{padding:12px 14px;border-radius:24px}
  .brand{font-size:20px}
  .brand img{width:36px;height:36px}

  .hero-grid{padding:62px 0}
  .hero h1{font-size:46px}
  .hero p{font-size:16px}
  .section{padding:72px 0}

  .grid4,.social-grid,.footer-grid{grid-template-columns:1fr}
  .cosmetic-copy{padding:26px}
  .copyright{flex-direction:column}
  .page-hero h1{font-size:44px}
}