/* ============================================================
   Dr. Nima Gorgin - light / Montserrat / steel-blue (Original-Look, gehoben)
   Schmuckfarbe: Stahlblau #457B9D + Marineblau #1D3557
   ============================================================ */
:root{
  --navy:#1d3557;
  --blue:#457b9d;
  --blue-deep:#345f7c;
  --blue-bright:#5fa0c4;
  --bg:#ffffff;
  --soft:#f4f7f9;
  --soft2:#eef3f6;
  --ink:#16212c;
  --muted:#5e6b77;
  --line:#e3e9ee;
  --white:#fff;
  --maxw:1180px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --grade:saturate(.92) contrast(1.04) brightness(1.02);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Montserrat',system-ui,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.7;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
::selection{background:var(--blue);color:#fff}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 6vw}
.eyebrow{display:inline-flex;align-items:center;gap:12px;font-size:12px;font-weight:700;letter-spacing:3px;text-transform:uppercase;color:var(--blue);margin-bottom:18px}
.eyebrow::before{content:"";width:32px;height:2px;background:var(--blue);display:inline-block}
.lead{color:var(--muted);font-size:clamp(16px,1.35vw,19px);max-width:60ch}
.muted{color:var(--muted)}

/* cohesive cool colour grade across photos */
.graded{position:relative;overflow:hidden}
.graded img{filter:var(--grade);transition:transform 1s var(--ease)}
.graded::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(150deg,rgba(69,123,157,.12),rgba(29,53,87,.10));mix-blend-mode:multiply}

.btn{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;
  padding:15px 30px;border-radius:4px;position:relative;overflow:hidden;transition:.35s var(--ease);cursor:pointer;
  background:linear-gradient(120deg,var(--navy),var(--blue));color:#fff;border:0;box-shadow:0 10px 26px rgba(29,53,87,.25)}
.btn:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(29,53,87,.35)}
.btn--ghost{background:none;color:#fff;border:1.5px solid rgba(255,255,255,.6);box-shadow:none}
.btn--ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn--out{background:none;color:var(--navy);border:1.5px solid var(--blue);box-shadow:none}
.btn--out:hover{background:var(--blue);color:#fff}

.reveal{opacity:0;transform:translateY(28px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.1s}.reveal.d2{transition-delay:.2s}.reveal.d3{transition-delay:.3s}.reveal.d4{transition-delay:.4s}

/* ============================ HEADER (light) */
.header{position:fixed;inset:0 0 auto 0;z-index:100;display:flex;align-items:center;justify-content:space-between;
  padding:20px 6vw;transition:.35s var(--ease);border-bottom:1px solid transparent}
.header.scrolled{background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom-color:var(--line);padding:12px 6vw;box-shadow:0 6px 24px rgba(20,40,60,.06)}
.brand{display:flex;align-items:center;gap:12px}
.brand img{height:38px;width:auto}
.brand .nm{font-weight:700;font-size:19px;letter-spacing:.3px;color:#fff;transition:color .35s}
.header.scrolled .brand .nm{color:var(--navy)}
.nav{display:flex;align-items:center;gap:34px}
.nav a{font-size:13px;font-weight:600;letter-spacing:1px;text-transform:uppercase;color:rgba(255,255,255,.92);transition:color .25s;position:relative}
.header.scrolled .nav a{color:var(--ink)}
.nav a::after{content:"";position:absolute;left:0;bottom:-6px;height:2px;width:0;background:var(--blue);transition:width .3s var(--ease)}
.nav a:hover::after{width:100%}
.nav a:hover{color:var(--blue)}
.nav .navbtn{padding:10px 22px;border-radius:4px;background:#fff;color:var(--navy);font-weight:700}
.header.scrolled .nav .navbtn{background:linear-gradient(120deg,var(--navy),var(--blue));color:#fff}
.nav .navbtn:hover::after{width:0}
.burger{display:none;flex-direction:column;gap:6px;background:none;border:0;cursor:pointer;z-index:101}
.burger span{width:26px;height:2px;background:#fff;display:block;transition:.3s}
.header.scrolled .burger span{background:var(--navy)}
body.menu-open .burger span{background:var(--navy)}
body.menu-open .burger span:nth-child(1){transform:translateY(8px) rotate(45deg)}
body.menu-open .burger span:nth-child(2){opacity:0}
body.menu-open .burger span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* ============================ HERO (dark video) */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden;background:#0c1622}
.hero video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:saturate(.85) contrast(1.05) brightness(.7)}
.hero-veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,22,34,.55),rgba(12,22,34,.35) 40%,rgba(12,22,34,.85)),radial-gradient(120% 80% at 50% 20%,transparent,rgba(8,15,24,.5))}
.hero-inner{position:relative;z-index:3;width:100%;text-align:center;padding:110px 6vw 0}
.hero .kicker{font-size:13px;font-weight:700;letter-spacing:4px;text-transform:uppercase;color:var(--blue-bright);margin-bottom:18px}
.hero h1{font-weight:700;color:#fff;font-size:clamp(34px,5.6vw,76px);line-height:1.08;letter-spacing:.3px;max-width:18ch;margin:0 auto 22px;text-shadow:0 6px 40px rgba(0,0,0,.4)}
.hero h1 .hl{color:var(--blue-bright)}
.hero .sub{color:#dfe8f0;font-size:clamp(15px,1.4vw,19px);max-width:54ch;margin:0 auto 34px}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.scroll-cue{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);z-index:3;color:#dfe8f0;font-size:11px;letter-spacing:3px;text-transform:uppercase;display:flex;flex-direction:column;align-items:center;gap:8px}
.scroll-cue i{width:1px;height:42px;background:linear-gradient(var(--blue-bright),transparent);animation:cue 2s var(--ease) infinite}
@keyframes cue{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform:scaleY(1);transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ============================ SECTIONS */
.sec{padding:clamp(76px,10vw,140px) 0;position:relative}
.sec.soft{background:var(--soft)}
.sec-title{font-size:clamp(30px,4.6vw,60px);font-weight:700;color:var(--navy);line-height:1.1;letter-spacing:.2px}
.sec-title .hl{color:var(--blue)}

/* ABOUT */
.about{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.about-media{aspect-ratio:4/5;border-radius:10px;box-shadow:0 30px 70px rgba(20,40,60,.18)}
.about-media img{width:100%;height:100%;object-fit:cover}
.about p{color:var(--muted);margin-bottom:16px;max-width:60ch}
.pull{font-weight:600;font-style:italic;font-size:clamp(19px,2.2vw,26px);color:var(--navy);margin:26px 0 4px;line-height:1.4}

/* PROJECTS */
/* horizontal row of project images (left to right), scrolls on small screens */
.proj-grid{display:flex;gap:20px;margin-top:50px;overflow-x:auto;scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch;padding-bottom:8px}
.proj-grid::-webkit-scrollbar{height:6px}
.proj-grid::-webkit-scrollbar-thumb{background:var(--line);border-radius:6px}
.proj{flex:0 0 clamp(300px,33vw,380px);scroll-snap-align:start;position:relative;border-radius:14px;overflow:hidden;min-height:500px;display:flex;flex-direction:column;justify-content:flex-end;box-shadow:0 18px 44px rgba(20,40,60,.16)}
.proj .play{position:absolute;top:18px;right:18px;z-index:3;width:46px;height:46px;border-radius:50%;
  background:rgba(255,255,255,.92);color:var(--navy);display:flex;align-items:center;justify-content:center;
  font-size:15px;padding-left:3px;transition:.3s var(--ease);box-shadow:0 6px 18px rgba(0,0,0,.25)}
a.proj:hover .play{background:var(--blue);color:#fff;transform:scale(1.08)}
.proj .yt{display:inline-flex;align-items:center;gap:8px;margin-top:14px;font-size:12px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--blue-bright)}
.proj .yt svg{width:16px;height:16px}
.proj .bg{position:absolute;inset:0;z-index:0}
.proj .bg img{width:100%;height:100%;object-fit:cover;filter:var(--grade);transition:transform 1.1s var(--ease)}
.proj::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(15,28,42,.05) 30%,rgba(15,28,42,.55) 62%,rgba(13,24,38,.92))}
.proj:hover .bg img{transform:scale(1.06)}
.proj-body{position:relative;z-index:2;padding:32px}
.proj .tag{font-size:11px;letter-spacing:2.5px;text-transform:uppercase;color:var(--blue-bright);font-weight:700}
.proj h3{font-weight:700;font-size:clamp(22px,2.4vw,30px);color:#fff;margin:8px 0 10px}
.proj p{color:#dbe5ee;font-size:14.5px;max-width:46ch}

/* one full-width section per project (media plays inline, no new tab) */
.psec{width:100%}
.psec .pwrap{display:grid;grid-template-columns:1fr 1fr;align-items:center;max-width:none;margin:0;padding:0}
.psec .pmedia{position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;background:#0c1622}
.psec .pmedia iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.psec .pmedia img{width:100%;height:100%;object-fit:cover;filter:var(--grade)}
.psec .pmedia video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;filter:var(--grade)}
.psec .pmedia.graded::after{content:"";position:absolute;inset:0;background:linear-gradient(150deg,rgba(69,123,157,.12),rgba(29,53,87,.10));mix-blend-mode:multiply}
.psec .ptext{padding:clamp(34px,5.5vw,80px)}
.psec .ptext .tag{display:inline-block;color:var(--blue);font-weight:700;letter-spacing:2.5px;text-transform:uppercase;font-size:12px;margin-bottom:12px}
.psec .ptext h3{font-size:clamp(26px,3.4vw,46px);color:var(--navy);font-weight:700;line-height:1.08;margin-bottom:14px}
.psec .ptext p{color:var(--muted);max-width:52ch;font-size:16px}
.psec.rev .pmedia{order:2}
@media(max-width:860px){
  .psec .pwrap{grid-template-columns:1fr}
  .psec.rev .pmedia{order:0}
}

/* QUOTE BAND (2nd video) */
.band{position:relative;overflow:hidden;padding:clamp(86px,12vw,150px) 0;text-align:center;background:#0c1622}
.band video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:saturate(.8) contrast(1.05) brightness(.45)}
.band::after{content:"";position:absolute;inset:0;background:linear-gradient(rgba(12,22,34,.72),rgba(29,53,87,.6))}
.band .wrap{position:relative;z-index:2}
.band q{font-weight:600;font-style:italic;font-size:clamp(22px,3.2vw,40px);color:#fff;line-height:1.4;display:block;max-width:26ch;margin:0 auto}
.band .by{margin-top:22px;color:var(--blue-bright);letter-spacing:3px;text-transform:uppercase;font-size:12px;font-weight:700}

/* TIMELINE */
.cols{display:grid;grid-template-columns:1fr 1fr;gap:56px;margin-top:36px}
.tl-item{position:relative;padding:0 0 28px 28px;border-left:2px solid var(--line)}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:-7px;top:4px;width:12px;height:12px;border-radius:50%;background:var(--blue);border:2px solid #fff;box-shadow:0 0 0 3px rgba(69,123,157,.18)}
.tl-item .yr{font-size:12px;letter-spacing:1.5px;color:var(--blue);text-transform:uppercase;font-weight:700}
.tl-item h4{font-weight:700;font-size:18px;color:var(--navy);margin:3px 0}
.tl-item p{color:var(--muted);font-size:14px}
.tl-media{margin-top:26px;border-radius:10px;aspect-ratio:16/10;box-shadow:0 18px 40px rgba(20,40,60,.16)}
.tl-media img{width:100%;height:100%;object-fit:cover}

/* ACHIEVEMENTS / STATS */
.ach p{color:var(--muted);max-width:70ch;margin-bottom:14px}
.stats{display:flex;gap:54px;flex-wrap:wrap;margin-top:44px;border-top:1px solid var(--line);padding-top:40px}
.stat .n{font-weight:700;font-size:clamp(42px,6vw,72px);color:var(--navy);line-height:.9}
.stat .n span{color:var(--blue)}
.stat .l{color:var(--muted);letter-spacing:1.5px;text-transform:uppercase;font-size:13px;margin-top:8px;font-weight:600}

/* CONTACT */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:start}
.form{display:grid;gap:15px}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:12px;letter-spacing:1px;text-transform:uppercase;color:var(--muted);font-weight:600}
.field input,.field textarea{background:#fff;border:1.5px solid var(--line);border-radius:6px;color:var(--ink);padding:13px 15px;font:inherit;transition:border-color .25s}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--blue)}
.field textarea{min-height:130px;resize:vertical}
.contact-info .mail{font-weight:700;font-size:clamp(20px,2.4vw,30px);color:var(--blue);display:inline-block;margin-top:6px}
.contact-info .mail:hover{color:var(--navy)}
.traits{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.trait{border:1.5px solid var(--line);border-radius:50px;padding:8px 18px;font-size:12px;letter-spacing:1.5px;text-transform:uppercase;color:var(--navy);font-weight:600}
.contact-logo{width:150px;border-radius:8px;margin-bottom:22px}

/* FOOTER */
.footer{background:var(--navy);color:#dfe8f0;padding:48px 6vw;text-align:center}
.footer .brand{justify-content:center;margin-bottom:12px}
.footer .brand .nm{color:#fff}
.footer .cr{color:rgba(223,232,240,.6);font-size:13px}

/* section banner image (Work / Education) */
.banner{border-radius:12px;overflow:hidden;margin:26px 0 30px;box-shadow:0 18px 40px rgba(20,40,60,.16)}
.banner img{width:100%;display:block;filter:var(--grade)}
.subhead{font-weight:700;color:var(--navy);margin:4px 0 20px;font-size:17px;letter-spacing:.3px}

/* rich footer over the waves video */
.sitefoot{position:relative;overflow:hidden;color:#eaf2f8;min-height:78vh;display:flex;flex-direction:column;justify-content:center;padding:clamp(80px,11vw,150px) 6vw clamp(34px,4vw,48px)}
.sitefoot video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:saturate(.8) contrast(1.05) brightness(.5)}
.sitefoot::after{content:"";position:absolute;inset:0;background:linear-gradient(rgba(12,22,34,.66),rgba(20,40,60,.74))}
.sitefoot .fwrap{position:relative;z-index:2;max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:1.5fr 1fr 1.2fr;gap:40px}
.fcolh{font-size:12px;letter-spacing:2.5px;text-transform:uppercase;color:var(--blue-bright);font-weight:700;margin-bottom:14px}
.fbrand{font-size:26px;font-weight:700;color:#fff;margin-bottom:10px}
.sitefoot p{color:#cfe0ec;font-size:14px;max-width:36ch}
.social{display:flex;gap:12px;margin-top:18px}
.social a{width:42px;height:42px;border-radius:50%;border:1px solid rgba(255,255,255,.32);display:flex;align-items:center;justify-content:center;color:#fff;transition:.3s var(--ease)}
.social a:hover{background:#fff;color:var(--navy);border-color:#fff;transform:translateY(-2px)}
.social svg{width:18px;height:18px;fill:currentColor}
.fmail{color:#fff;font-weight:600;font-size:18px;display:inline-block;margin-top:2px}
.fmail:hover{color:var(--blue-bright)}
.signup{display:flex;flex-direction:column;gap:10px;margin-top:4px;max-width:340px}
.signup input{background:rgba(255,255,255,.95);border:0;border-radius:8px;padding:13px 16px;font:inherit;color:#16212c}
.signup button{background:linear-gradient(120deg,var(--navy),var(--blue));color:#fff;border:0;border-radius:8px;padding:13px 16px;font:inherit;font-weight:700;cursor:pointer;letter-spacing:.4px;transition:.25s}
.signup button:hover{filter:brightness(1.12)}
.fbottom{position:absolute;left:6vw;right:6vw;bottom:clamp(28px,3.5vw,42px);z-index:2;max-width:var(--maxw);margin:0 auto;padding-top:20px;border-top:1px solid rgba(255,255,255,.18);display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;color:rgba(223,232,240,.72);font-size:13px}
.fbottom .fnm{display:flex;align-items:center;gap:10px}
.fbottom img{height:30px}
@media(max-width:820px){.sitefoot{min-height:auto;justify-content:flex-start}.sitefoot .fwrap{grid-template-columns:1fr;gap:34px}.fbottom{position:static;left:auto;right:auto;margin-top:38px}}

/* RESPONSIVE */
@media(max-width:900px){
  .about,.cols,.contact{grid-template-columns:1fr;gap:34px}
  .proj-grid{grid-template-columns:1fr}
  .nav{position:fixed;inset:0 0 0 auto;width:min(80vw,330px);flex-direction:column;justify-content:center;align-items:flex-start;gap:24px;padding:0 8vw;background:#fff;transform:translateX(100%);transition:transform .4s var(--ease);box-shadow:-10px 0 40px rgba(20,40,60,.15)}
  body.menu-open .nav{transform:none}
  .nav a{color:var(--ink);font-size:18px}
  .nav .navbtn{background:linear-gradient(120deg,var(--navy),var(--blue));color:#fff}
  .burger{display:flex}
  .header.scrolled{-webkit-backdrop-filter:none;backdrop-filter:none;background:rgba(255,255,255,.98)}
  .stats{gap:36px}
}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}.scroll-cue i{animation:none}}