/* Doctrios shared stylesheet — all pages */
:root{
  --bg:#03070d; --cyan:#22d3ee; --cyan-2:#06b6d4; --violet:#a78bfa; --ink:#eaf6fb;
  --muted:#9fb4cf; --muted-2:#7286a0; --line:rgba(255,255,255,.09);
  --glass:rgba(255,255,255,.045); --glass-2:rgba(255,255,255,.025); --glass-3:rgba(255,255,255,.06);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{
  color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;background:var(--bg);
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

/* animated backdrop */
.bg{position:fixed;inset:0;z-index:-2;
  background:radial-gradient(1100px 700px at 78% -8%,rgba(34,211,238,.16),transparent 60%),
  radial-gradient(900px 600px at 8% 12%,rgba(167,139,250,.14),transparent 55%),
  radial-gradient(800px 800px at 50% 120%,rgba(6,182,212,.10),transparent 60%),var(--bg);}
.grid-fade{position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:54px 54px;mask-image:radial-gradient(circle at 50% 30%,#000 0%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 30%,#000 0%,transparent 78%);}
.orb{position:fixed;border-radius:50%;filter:blur(60px);z-index:-1;opacity:.5;animation:float 14s ease-in-out infinite}
.orb.a{width:380px;height:380px;background:radial-gradient(circle,#22d3ee,transparent 70%);top:-80px;right:-60px}
.orb.b{width:320px;height:320px;background:radial-gradient(circle,#a78bfa,transparent 70%);top:40%;left:-90px;animation-delay:-5s}
.orb.c{width:300px;height:300px;background:radial-gradient(circle,#06b6d4,transparent 70%);bottom:5%;right:10%;animation-delay:-8s}
@keyframes float{0%,100%{transform:translateY(0) translateX(0)}50%{transform:translateY(30px) translateX(18px)}}

.wrap{max-width:1120px;margin:0 auto;padding:0 22px}

/* nav */
header.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  background:linear-gradient(180deg,rgba(3,7,13,.78),rgba(3,7,13,.4));border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;gap:14px;height:66px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;letter-spacing:.01em;flex-shrink:0}
.brand .os{color:#3fe0f5;text-shadow:0 0 14px rgba(34,211,238,.45)}
.logo{width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,var(--cyan),#0891b2);display:grid;place-items:center;box-shadow:0 6px 20px rgba(34,211,238,.35);flex-shrink:0}
.logo svg{width:20px;height:20px}
.nav-links{margin-left:auto;display:flex;gap:28px;align-items:center}
.nav-links a{color:var(--muted);font-size:14.5px;font-weight:500;transition:color .2s}
.nav-links a:hover{color:var(--ink)}
.nav-cta{margin-left:auto}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:9px;padding:14px 24px;border-radius:14px;font-weight:700;font-size:15px;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease;white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn-primary{color:#021016;background:linear-gradient(135deg,var(--cyan),var(--cyan-2));box-shadow:0 10px 28px rgba(34,211,238,.34)}
.btn-primary:hover{box-shadow:0 14px 36px rgba(34,211,238,.5);transform:translateY(-2px)}
.btn-ghost{color:var(--ink);background:var(--glass);border-color:var(--line)}
.btn-ghost:hover{background:rgba(255,255,255,.08);transform:translateY(-2px)}
.pill{border:1px solid var(--line);background:var(--glass);border-radius:999px;padding:10px 18px;font-weight:600;font-size:14px;transition:background .2s,transform .2s;cursor:pointer}
.pill:hover{background:rgba(255,255,255,.08);transform:translateY(-2px)}
.pill svg{width:15px;height:15px;display:inline;vertical-align:-2px;margin-right:5px}

/* hero */
.hero{padding:90px 0 50px;text-align:center}
.eyebrow{display:inline-block;color:var(--cyan);font-weight:600;letter-spacing:.22em;text-transform:uppercase;font-size:11.5px;
  border:1px solid rgba(34,211,238,.3);padding:6px 16px;border-radius:999px;background:rgba(34,211,238,.06)}
h1{font-size:clamp(38px,8vw,68px);line-height:1.03;font-weight:800;letter-spacing:-.03em;margin:22px 0 18px}
h1 .grad,h2 .grad{background:linear-gradient(100deg,var(--cyan),var(--violet) 70%,#67e8f9);background-size:200% auto;-webkit-background-clip:text;background-clip:text;color:transparent;animation:shine 6s linear infinite}
@keyframes shine{to{background-position:200% center}}
.lede{max-width:650px;margin:0 auto;color:var(--muted);font-size:18px}
.lede b{color:var(--ink);font-weight:600}
.cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:32px}
.size-note{margin-top:14px;color:var(--muted);font-size:13.5px;display:flex;gap:8px;align-items:center;justify-content:center}
.size-note svg{width:15px;height:15px;opacity:.8;flex-shrink:0}
.trust{margin-top:36px;display:flex;gap:28px;justify-content:center;flex-wrap:wrap;color:var(--muted-2);font-size:13.5px}
.trust b{color:var(--ink)}

/* sections */
.section{padding:64px 0}
.section-h{font-size:clamp(24px,4vw,34px);font-weight:800;letter-spacing:-.02em;text-align:center;margin:0 0 8px}
.section-sub{text-align:center;color:var(--muted);max-width:580px;margin:0 auto 40px;font-size:16px}

/* glass card */
.card{background:var(--glass);border:1px solid var(--line);border-radius:20px;padding:24px;
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);transition:transform .25s ease,border-color .25s ease,background .25s ease}
.card:hover{transform:translateY(-6px);border-color:rgba(34,211,238,.35);background:var(--glass-3)}

/* feature grid */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px}
.feat .ico{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(34,211,238,.18),rgba(167,139,250,.18));border:1px solid var(--line);margin-bottom:16px}
.feat .ico svg{width:22px;height:22px;stroke:var(--cyan)}
.feat h3{margin:0 0 6px;font-size:17px}
.feat p{margin:0;color:var(--muted);font-size:14px}

/* marquee */
.marquee-section{padding:50px 0;overflow:hidden}
.marquee-section .section-h{font-size:clamp(20px,3vw,28px);margin-bottom:8px}
.marquee-section .section-sub{font-size:14.5px}
.marquee{overflow:hidden;position:relative;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee-track{display:flex;gap:16px;width:max-content;animation:scroll 40s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee-track.rev{animation:scroll-rev 40s linear infinite}
.uni-logo{background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:14px;padding:14px 22px;flex-shrink:0;display:flex;align-items:center;gap:12px;min-height:68px;backdrop-filter:blur(6px);transition:background .2s,border-color .2s}
.uni-logo:hover{background:rgba(255,255,255,.08);border-color:rgba(34,211,238,.25)}
.uni-logo .name{font-weight:700;font-size:14.5px;color:var(--ink);white-space:nowrap}
.uni-logo .abbr{font-size:11px;color:var(--muted-2);font-weight:600;letter-spacing:.05em}
.uni-logo .mark{width:38px;height:38px;border-radius:8px;background:linear-gradient(135deg,rgba(34,211,238,.2),rgba(167,139,250,.2));display:grid;place-items:center;flex-shrink:0;font-weight:800;font-size:14px;color:var(--cyan)}
@keyframes scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@keyframes scroll-rev{from{transform:translateX(-50%)}to{transform:translateX(0)}}

/* video */
.video-card{position:relative;overflow:hidden;border-radius:24px;border:1px solid var(--line);
  background:linear-gradient(135deg,rgba(34,211,238,.12),rgba(167,139,250,.12));min-height:360px;display:grid;place-items:center;cursor:pointer;transition:transform .25s ease}
.video-card:hover{transform:scale(1.01)}
.video-card .play{width:80px;height:80px;border-radius:50%;background:rgba(3,7,13,.55);border:1px solid rgba(255,255,255,.5);display:grid;place-items:center;backdrop-filter:blur(6px);transition:transform .2s}
.video-card:hover .play{transform:scale(1.08)}
.video-card .play svg{width:30px;height:30px;fill:#fff;margin-left:4px}
.video-card .vt{position:absolute;bottom:20px;left:24px;text-align:left}
.video-card .vt .t{font-weight:700;font-size:18px}
.video-card .vt .s{color:var(--muted);font-size:13px}

/* final cta */
.final{text-align:center;padding:72px 28px;border-radius:28px;border:1px solid var(--line);
  background:radial-gradient(600px 320px at 50% 0%,rgba(34,211,238,.14),transparent 60%),var(--glass-2)}
.final h2{font-size:clamp(26px,5vw,40px);font-weight:800;letter-spacing:-.02em;margin:0 0 14px}

/* footer */
footer{border-top:1px solid var(--line);margin-top:70px;padding:36px 0 56px}
.foot-in{display:flex;gap:18px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.foot-links{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.disc{color:var(--muted-2);font-size:12.5px;max-width:640px;margin-top:18px;line-height:1.7}
.copy{color:var(--muted-2);font-size:12px;margin-top:14px}

/* scroll reveal */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* page hero (about/contact) */
.page-hero{padding:80px 0 40px;text-align:center}
.page-hero h1{font-size:clamp(34px,6vw,52px)}
.page-hero .lede{font-size:17px}

/* about stats */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:18px;margin:40px 0}
.stat{text-align:center;padding:28px 18px;border-radius:20px;background:var(--glass);border:1px solid var(--line)}
.stat .num{font-size:clamp(30px,5vw,44px);font-weight:800;background:linear-gradient(135deg,var(--cyan),var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat .lbl{color:var(--muted);font-size:13px;margin-top:4px}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:32px;align-items:start}
.contact-info h3{font-size:18px;margin-bottom:12px}
.contact-info p{color:var(--muted);font-size:15px;margin-bottom:20px;line-height:1.7}
.contact-info .mail-pill{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:14px;background:var(--glass);border:1px solid var(--line);font-weight:600;font-size:15px;transition:background .2s,transform .2s}
.contact-info .mail-pill:hover{background:rgba(255,255,255,.08);transform:translateY(-2px)}
.contact-info .socials{display:flex;gap:12px;margin-top:24px}
.contact-info .socials .pill{display:flex;align-items:center;gap:6px}
.form-card{background:var(--glass);border:1px solid var(--line);border-radius:24px;padding:32px;backdrop-filter:blur(10px)}
.form-card label{display:block;font-size:13px;font-weight:600;color:var(--muted);margin-bottom:6px}
.form-card input,.form-card textarea{width:100%;background:rgba(0,0,0,.3);border:1px solid var(--line);border-radius:12px;padding:13px 16px;color:var(--ink);font-size:15px;font-family:inherit;margin-bottom:18px;transition:border-color .2s}
.form-card input:focus,.form-card textarea:focus{outline:none;border-color:var(--cyan)}
.form-card textarea{resize:vertical;min-height:130px}

/* modal */
.modal{position:fixed;inset:0;z-index:80;display:none;place-items:center;background:rgba(2,5,10,.82);backdrop-filter:blur(6px);padding:20px}
.modal.show{display:grid}
.modal .box{width:min(820px,100%);aspect-ratio:16/9;background:#000;border-radius:16px;border:1px solid var(--line);display:grid;place-items:center;color:var(--muted);text-align:center}
.modal .x{position:fixed;top:20px;right:24px;font-size:28px;color:#fff;cursor:pointer;z-index:81}

/* mobile nav */
.mobile-menu-btn{display:none;background:none;border:none;color:var(--ink);font-size:24px;cursor:pointer;margin-left:auto}

@media(max-width:768px){
  .nav-links{display:none}
  .nav-links.open{display:flex;position:absolute;top:66px;left:0;right:0;flex-direction:column;background:rgba(3,7,13,.95);backdrop-filter:blur(20px);padding:20px;gap:16px;border-bottom:1px solid var(--line)}
  .nav-links.open a{font-size:16px}
  .mobile-menu-btn{display:block}
  .nav-cta{display:none}
  .nav-cta.show{display:inline-flex;position:absolute;top:66px;right:22px}
  .contact-grid{grid-template-columns:1fr}
  .hero{padding:60px 0 40px}
  .section{padding:48px 0}
  .uni-logo{padding:10px 16px;min-height:56px;gap:9px}
  .uni-logo .name{font-size:13px}
  .uni-logo .mark{width:32px;height:32px;font-size:12px}
}

@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none}.orb{animation:none}h1 .grad,h2 .grad{animation:none}.marquee-track{animation:none}
}