:root{--teal:#0f766e;--bg:#fff;--fg:#111;--mut:#555;--card:#f4f4f4}
@media(prefers-color-scheme:dark){:root{--bg:#000;--fg:#f5f5f5;--mut:#a3a3a3;--card:#181818}}
*{box-sizing:border-box}body{margin:0;font-family:Manrope,system-ui,sans-serif;background:var(--bg);color:var(--fg)}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:16px}
nav{position:fixed;top:16px;left:50%;transform:translateX(-50%);z-index:9;display:flex;gap:16px;align-items:center;padding:8px 16px;border-radius:9999px;background:rgba(0,0,0,.45);backdrop-filter:blur(12px);color:#fff;font-size:14px;line-height:20px;font-weight:600;white-space:nowrap}
nav a{color:#fff;text-decoration:none}nav .links{display:flex;gap:16px}
button,.btn{font:inherit;cursor:pointer;border:0;border-radius:8px;transition:transform .3s cubic-bezier(.22,1,.36,1),opacity .3s cubic-bezier(.22,1,.36,1)}
.btn{display:inline-block;background:var(--teal);color:#fff;padding:8px 12px;font-size:16px;font-weight:600;text-decoration:none}
.btn:hover{transform:translateY(-2px)}.btn:active{transform:scale(.98)}:focus-visible{outline:2px solid #5eead4;outline-offset:2px}
.lang{background:rgba(255,255,255,.15);color:#fff;padding:4px 8px;font-size:14px}
.hero{position:relative;height:100svh;min-height:560px;overflow:hidden;color:#fff}
.hero canvas{position:absolute;inset:0;width:100%;height:100%}
.hero .in{position:absolute;left:0;right:0;top:20%;padding:0 24px;max-width:1200px;margin:auto}
h1{font-size:60px;line-height:1;font-weight:700;max-width:680px;margin:0 0 24px;background:linear-gradient(90deg,#fff,#9b9b9b);-webkit-background-clip:text;color:transparent;text-wrap:balance}
.sub{font-size:18px;line-height:28px;max-width:680px;margin:0 0 32px;color:#d4d4d4;text-wrap:pretty}
section{padding:96px 24px;max-width:1200px;margin:auto}h2{font-size:36px;line-height:40px;margin:0 0 32px;text-wrap:balance}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.card{background:var(--card);border-radius:16px;padding:24px}.card h3{margin:0 0 8px;font-size:18px;line-height:28px}.card p{margin:0;color:var(--mut);font-size:16px;line-height:24px}
.tag{font-size:48px;line-height:1;font-weight:700;max-width:680px}.tag span{opacity:.3;transition:opacity .5s cubic-bezier(.22,1,.36,1)}.tag span.on{opacity:1}
.ph{border:1px dashed var(--mut);border-radius:8px;padding:2px 8px;font-size:12px;color:var(--mut)}
form{display:grid;gap:12px;max-width:560px}input,textarea,select{font:inherit;padding:12px;border-radius:8px;border:1px solid #6666;background:var(--card);color:var(--fg)}
.err{color:#f87171;font-size:14px;min-height:20px}
footer{padding:48px 24px;color:var(--mut);font-size:14px;text-align:center}footer a{color:var(--mut)}
.rv{opacity:0;transform:translateY(32px);transition:opacity .7s cubic-bezier(.22,1,.36,1),transform .7s cubic-bezier(.22,1,.36,1)}.rv.on{opacity:1;transform:none}
@media(max-width:640px){h1{font-size:48px}.tag{font-size:36px;line-height:40px}nav .links{display:none}h2{font-size:30px;line-height:36px}}
@media(prefers-reduced-motion:reduce){.rv{transform:none}}
/* video hero */
.hero{background:#000}
.hero .frame{position:absolute;inset:16px;border-radius:24px;overflow:hidden;background:#000}
.hero video,.hero canvas{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero canvas{display:none}
.hero .shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.55) 0%,rgba(0,0,0,.15) 40%,rgba(0,0,0,.65) 100%)}
.hero .in{top:50%;transform:translateY(-50%);text-align:center}
.hero h1,.hero .sub{margin-left:auto;margin-right:auto}
.hero h1{background:linear-gradient(90deg,#fff,#d4d4d4);-webkit-background-clip:text}
@media(max-width:640px){.hero .frame{inset:0;border-radius:0}}