:root{
  --bg:#0a0a0a;
  --bg-2:#0f0f10;
  --fg:#ededed;
  --muted:#b4b4b4;
  --brand:#e6e6e6;
  --accent:#7bd8ff;
  --card:#121214;
  --line:#222;
  --radius:16px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--fg);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;scroll-behavior:smooth}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1{font-size:clamp(28px,4.2vw,56px);line-height:1.05;margin:0 0 12px;font-weight:800}
h2{font-size:clamp(22px,3vw,36px);margin:48px 0 16px}
h3{font-size:clamp(18px,2.1vw,24px);margin:0 0 6px}
h4{margin:0 0 4px}
p{color:var(--muted);line-height:1.6}

.nav{position:sticky;top:0;z-index:99;display:flex;align-items:center;justify-content:space-between;padding:14px 20px;background:rgba(10,10,10,.75);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line)}
.nav .brand{font-weight:800;letter-spacing:.3px}
.nav #menu{display:flex;gap:18px}
.nav #menu a{padding:8px 10px;border-radius:10px;transition:background .2s}
.nav #menu a:hover{background:rgba(255,255,255,.05)}
.lang{display:flex;gap:8px;align-items:center}
.lang .lang-btn{background:transparent;border:1px solid var(--line);color:var(--fg);padding:6px 10px;border-radius:999px;cursor:pointer}
.menu-toggle{display:none;background:transparent;border:1px solid var(--line);padding:6px 10px;border-radius:10px;color:var(--fg)}

.hero{position:relative;min-height:78vh;display:grid;place-items:center;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-inner{max-width:1100px;padding:8vw 24px;text-align:center}
.hero .sub{font-size:clamp(14px,1.6vw,18px);margin:10px auto 24px;max-width:900px}
.badges{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}
.badge{border:1px solid var(--line);padding:6px 12px;border-radius:999px;font-size:12px}
.hero .cta{display:flex;gap:12px;justify-content:center;margin-top:12px}
.hero-bg{position:absolute;inset:-10%;background:radial-gradient(70% 60% at 50% 10%,rgba(123,216,255,.25),transparent),radial-gradient(40% 30% at 70% 40%,rgba(255,255,255,.05),transparent),linear-gradient(180deg,transparent,transparent 70%,rgba(255,255,255,.03) 100%);transform:translateZ(0);filter:blur(30px);animation:float 14s ease-in-out infinite alternate}
@keyframes float{from{transform:translateY(0)}to{transform:translateY(30px)}}

.btn{display:inline-block;padding:12px 18px;border-radius:12px;border:1px solid var(--line);box-shadow:var(--shadow)}
.btn.primary{background:var(--fg);color:#111}
.btn.ghost{background:transparent}
.btn:hover{transform:translateY(-1px)}

main{display:block}
section{padding:36px 20px}
.page{max-width:1000px;margin:0 auto;padding:36px 20px}
.page.center{text-align:center}

.quick{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin:18px auto 8px}
.quick a{border:1px solid var(--line);padding:8px 12px;border-radius:999px;font-size:13px;background:rgba(255,255,255,.03)}
.quick a:hover{background:rgba(255,255,255,.06)}

.li-section{max-width:900px;margin:0 auto;background:linear-gradient(180deg,var(--bg-2),var(--bg));border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.fade{animation:fade .8s ease 1 both}
@keyframes fade{from{opacity:.001;transform:translateY(8px)}to{opacity:1;transform:none}}

.cards{max-width:1100px;margin:0 auto}
.cards .grid{display:grid;gap:14px}
.cards .grid.seven{grid-template-columns:repeat(7,1fr)}
.card{background:var(--card);padding:18px;border:1px solid var(--line);border-radius:var(--radius);display:block;transition:transform .15s ease, outline .15s ease}
.card:hover{outline:1px solid var(--fg);transform:translateY(-2px)}

.track{max-width:1000px;margin:0 auto}
.timeline{list-style:none;padding:0;margin:0;border-left:1px solid var(--line)}
.timeline li{padding:12px 0 12px 16px;position:relative}
.timeline li::before{content:'';position:absolute;left:-6px;top:22px;width:10px;height:10px;border-radius:50%;background:#2a2a2a;border:1px solid var(--line)}
.timeline h5{margin:0 0 2px 0;font-size:16px;color:var(--fg)}

.profile{display:grid;grid-template-columns:260px 1fr;gap:24px;align-items:start;margin-top:18px}
.profile-media img{border-radius:20px;border:1px solid var(--line);box-shadow:var(--shadow)}
.profile-body h2{margin:0 0 10px}
.profile-body p{margin:0}

.cta-wide{max-width:1100px;margin:10px auto 60px;background:linear-gradient(180deg,var(--bg-2),var(--bg));padding:24px;border:1px solid var(--line);border-radius:var(--radius);display:flex;align-items:center;justify-content:space-between;gap:16px}

.form{display:grid;gap:12px;max-width:680px}
.form label{display:grid;gap:6px}
.form input,.form textarea{background:#0f0f10;border:1px solid var(--line);color:var(--fg);padding:10px;border-radius:12px}
.form .check{display:flex;align-items:center;gap:8px}
.form .actions{display:flex;gap:12px;align-items:center}
.form .hidden{display:none}

.footer{border-top:1px solid var(--line);padding:26px 20px;background:rgba(10,10,10,.6)}
.footer .foot-grid{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:1fr 2fr 1fr;gap:12px;align-items:center}
.footer .small{font-size:12px;color:var(--muted)}

@media (max-width:1200px){
  .cards .grid.seven{grid-template-columns:repeat(4,1fr)}
}
@media (max-width:900px){
  .profile{grid-template-columns:1fr}
  .cards .grid.seven{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:640px){
  .cards .grid.seven{grid-template-columns:repeat(2,1fr)}
  .cta-wide{flex-direction:column;align-items:flex-start}
  .nav #menu{display:none;position:absolute;right:12px;top:58px;background:#0f0f10;border:1px solid var(--line);padding:10px;border-radius:12px;flex-direction:column}
  .menu-toggle{display:inline-block}
}