/* ============================================================
   Ahmet Turan Gözel — Portfolio
   Self-hosted fonts (GDPR-compliant), dark-first design system
   ============================================================ */

/* ---------- Fonts ---------- */
@font-face{font-family:'Inter';font-style:normal;font-weight:400;font-display:swap;src:url('/assets/fonts/inter-400.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:'Inter';font-style:normal;font-weight:400;font-display:swap;src:url('/assets/fonts/inter-ext-400.woff2') format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;}
@font-face{font-family:'Inter';font-style:normal;font-weight:500;font-display:swap;src:url('/assets/fonts/inter-500.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+2000-206F,U+20AC,U+2122;}
@font-face{font-family:'Inter';font-style:normal;font-weight:500;font-display:swap;src:url('/assets/fonts/inter-ext-500.woff2') format('woff2');unicode-range:U+0100-02BA,U+1E00-1E9F,U+2C60-2C7F,U+A720-A7FF;}
@font-face{font-family:'Inter';font-style:normal;font-weight:600;font-display:swap;src:url('/assets/fonts/inter-600.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+2000-206F,U+20AC,U+2122;}
@font-face{font-family:'Inter';font-style:normal;font-weight:600;font-display:swap;src:url('/assets/fonts/inter-ext-600.woff2') format('woff2');unicode-range:U+0100-02BA,U+1E00-1E9F,U+2C60-2C7F,U+A720-A7FF;}
@font-face{font-family:'Jakarta';font-style:normal;font-weight:700;font-display:swap;src:url('/assets/fonts/jakarta-700.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+2000-206F,U+20AC,U+2122;}
@font-face{font-family:'Jakarta';font-style:normal;font-weight:700;font-display:swap;src:url('/assets/fonts/jakarta-ext-700.woff2') format('woff2');unicode-range:U+0100-02BA,U+1E00-1E9F,U+2C60-2C7F,U+A720-A7FF;}
@font-face{font-family:'Jakarta';font-style:normal;font-weight:800;font-display:swap;src:url('/assets/fonts/jakarta-800.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+2000-206F,U+20AC,U+2122;}
@font-face{font-family:'Jakarta';font-style:normal;font-weight:800;font-display:swap;src:url('/assets/fonts/jakarta-ext-800.woff2') format('woff2');unicode-range:U+0100-02BA,U+1E00-1E9F,U+2C60-2C7F,U+A720-A7FF;}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:500;font-display:swap;src:url('/assets/fonts/jetbrains-500.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+2000-206F,U+20AC,U+2122;}

/* ---------- Theme tokens ---------- */
:root{
  --bg:#0a0a0f; --bg-2:#0d0d15; --surface:#14141f; --surface-2:#1a1a28;
  --border:rgba(255,255,255,.08); --border-strong:rgba(255,255,255,.16);
  --text:#f1f5f9; --text-dim:#9aa6b8; --text-mute:#6b7488;
  --primary:#6366f1; --primary-2:#818cf8; --accent:#22d3ee;
  --grad:linear-gradient(135deg,#6366f1 0%,#22d3ee 100%);
  --grad-soft:linear-gradient(135deg,rgba(99,102,241,.16),rgba(34,211,238,.16));
  --shadow:0 24px 60px -20px rgba(0,0,0,.6);
  --shadow-sm:0 8px 24px -12px rgba(0,0,0,.5);
  --radius:18px; --radius-sm:12px;
  --container:1160px;
  --header-h:72px;
}
[data-theme="light"]{
  --bg:#fafbfd; --bg-2:#eef1f7; --surface:#ffffff; --surface-2:#f4f6fb;
  --border:rgba(15,23,42,.10); --border-strong:rgba(15,23,42,.18);
  --text:#0f172a; --text-dim:#475569; --text-mute:#7c8699;
  --primary:#5457e6; --primary-2:#6366f1; --accent:#0891b2;
  --grad:linear-gradient(135deg,#5457e6 0%,#0891b2 100%);
  --grad-soft:linear-gradient(135deg,rgba(84,87,230,.10),rgba(8,145,178,.10));
  --shadow:0 24px 60px -24px rgba(31,41,80,.28);
  --shadow-sm:0 10px 28px -16px rgba(31,41,80,.25);
}

/* ---------- Reset / base ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 16px);-webkit-text-size-adjust:100%}
body{
  font-family:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  background:var(--bg);color:var(--text);line-height:1.65;
  font-size:clamp(15px,.4vw + 14px,16.5px);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;transition:background .4s ease,color .4s ease;
}
h1,h2,h3,h4{font-family:'Jakarta','Inter',sans-serif;line-height:1.12;font-weight:800;letter-spacing:-.02em}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
ul,ol{list-style:none}
::selection{background:var(--primary);color:#fff}
:focus-visible{outline:2px solid var(--primary-2);outline-offset:3px;border-radius:6px}

.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:clamp(20px,4vw,40px)}

.skip-link{position:fixed;top:-60px;left:16px;z-index:200;background:var(--primary);color:#fff;
  padding:10px 18px;border-radius:10px;transition:top .2s}
.skip-link:focus{top:14px}
.hidden{display:none}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-weight:600;font-size:.96rem;padding:13px 24px;border-radius:12px;
  transition:transform .25s cubic-bezier(.2,.7,.3,1),box-shadow .25s,background .25s,border-color .25s,color .25s;
  white-space:nowrap;border:1px solid transparent;
}
.btn svg{flex:none}
.btn--primary{background:var(--grad);color:#fff;box-shadow:0 10px 30px -10px rgba(99,102,241,.6)}
.btn--primary:hover{transform:translateY(-3px);box-shadow:0 18px 40px -12px rgba(99,102,241,.7)}
.btn--ghost{background:transparent;border-color:var(--border-strong);color:var(--text)}
.btn--ghost:hover{transform:translateY(-3px);border-color:var(--primary-2);background:var(--grad-soft)}
.btn--full{width:100%}

/* ---------- Header ---------- */
.header{
  position:fixed;inset:0 0 auto 0;height:var(--header-h);z-index:100;
  display:flex;align-items:center;
  background:color-mix(in srgb,var(--bg) 72%,transparent);
  backdrop-filter:blur(14px) saturate(160%);-webkit-backdrop-filter:blur(14px) saturate(160%);
  border-bottom:1px solid transparent;transition:border-color .3s,background .3s;
}
.header.is-scrolled{border-bottom-color:var(--border);background:color-mix(in srgb,var(--bg) 86%,transparent)}
.header__inner{display:flex;align-items:center;justify-content:space-between;gap:18px;width:100%}
.brand{display:flex;align-items:center;gap:12px;font-weight:700}
.brand__mark{
  display:grid;place-items:center;width:40px;height:40px;border-radius:11px;
  background:var(--grad);color:#fff;font-family:'Jakarta';font-weight:800;font-size:.95rem;letter-spacing:-.03em;
  box-shadow:0 8px 20px -8px rgba(99,102,241,.7)
}
.brand__name{font-family:'Jakarta';font-weight:700;font-size:1rem;letter-spacing:-.01em}
.nav{display:flex;gap:6px}
.nav__link{position:relative;padding:8px 14px;border-radius:9px;color:var(--text-dim);font-weight:500;font-size:.94rem;transition:color .2s}
.nav__link::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;background:var(--grad);
  transform:scaleX(0);transform-origin:left;transition:transform .28s ease;border-radius:2px}
.nav__link:hover{color:var(--text)}
.nav__link:hover::after,.nav__link.is-active::after{transform:scaleX(1)}
.nav__link.is-active{color:var(--text)}
.header__actions{display:flex;align-items:center;gap:10px}

.lang-toggle{display:flex;align-items:center;gap:4px;padding:7px 11px;border:1px solid var(--border);border-radius:10px;
  font-weight:600;font-size:.82rem;color:var(--text-mute);transition:border-color .2s,background .2s}
.lang-toggle:hover{border-color:var(--border-strong)}
.lang-toggle__opt{transition:color .2s}
.lang-toggle__opt.is-active{color:var(--text)}
.lang-toggle__sep{opacity:.4}

.theme-toggle{display:grid;place-items:center;width:40px;height:40px;border-radius:10px;border:1px solid var(--border);color:var(--text-dim);transition:border-color .2s,color .2s,background .2s}
.theme-toggle:hover{border-color:var(--border-strong);color:var(--text)}
.theme-toggle .icon-moon{display:none}
[data-theme="light"] .theme-toggle .icon-sun{display:none}
[data-theme="light"] .theme-toggle .icon-moon{display:block}

.hamburger{display:none;flex-direction:column;gap:5px;width:42px;height:42px;border:1px solid var(--border);border-radius:10px;padding:0 11px;justify-content:center}
.hamburger span{display:block;height:2px;width:100%;background:var(--text);border-radius:2px;transition:transform .3s,opacity .3s}
.hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0}
.hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero-scene{position:relative;height:200vh}
.hero{position:sticky;top:0;min-height:100svh;display:flex;align-items:center;padding-top:var(--header-h);overflow:hidden}
.hero__bg{position:absolute;inset:0;z-index:0;overflow:hidden;transform:scale(calc(1 - var(--hp,0)*.28));opacity:calc(1 - var(--hp,0)*.7);filter:blur(calc(var(--hp,0)*5px));will-change:transform,opacity,filter;transform-origin:center center}
.blob{position:absolute;border-radius:50%;filter:blur(70px);opacity:.55;will-change:transform}
.blob--1{width:520px;height:520px;background:radial-gradient(circle,#6366f1,transparent 70%);top:-120px;right:-60px;animation:float1 18s ease-in-out infinite}
.blob--2{width:460px;height:460px;background:radial-gradient(circle,#22d3ee,transparent 70%);bottom:-140px;left:-80px;animation:float2 22s ease-in-out infinite}
.blob--3{width:360px;height:360px;background:radial-gradient(circle,#a855f7,transparent 70%);top:40%;left:46%;opacity:.32;animation:float3 26s ease-in-out infinite}
[data-theme="light"] .blob{opacity:.35}
.grid-overlay{position:absolute;inset:0;background-image:linear-gradient(var(--border) 1px,transparent 1px),linear-gradient(90deg,var(--border) 1px,transparent 1px);background-size:64px 64px;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 40%,#000 30%,transparent 80%);opacity:.5}
@keyframes float1{50%{transform:translate(-40px,40px) scale(1.08)}}
@keyframes float2{50%{transform:translate(50px,-30px) scale(1.12)}}
@keyframes float3{50%{transform:translate(-30px,-40px) scale(.92)}}

.hero__inner{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(30px,5vw,70px);align-items:center;width:100%;padding-block:60px}
.hero__eyebrow{display:inline-flex;align-items:center;gap:10px;font-weight:600;font-size:.9rem;color:var(--text-dim);
  background:var(--surface);border:1px solid var(--border);padding:8px 16px;border-radius:100px;margin-bottom:26px}
.status-dot{width:9px;height:9px;border-radius:50%;background:#22c55e;box-shadow:0 0 0 0 rgba(34,197,94,.5);animation:pulse 2.4s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(34,197,94,.5)}70%{box-shadow:0 0 0 10px rgba(34,197,94,0)}100%{box-shadow:0 0 0 0 rgba(34,197,94,0)}}
.hero__title{font-size:clamp(2.8rem,7vw,5rem);letter-spacing:-.03em;margin-bottom:22px;
  background:linear-gradient(180deg,var(--text),color-mix(in srgb,var(--text) 60%,var(--primary)));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.hero__lead{font-size:clamp(1.02rem,1.6vw,1.2rem);color:var(--text-dim);max-width:33em;margin-bottom:32px}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.hero__socials{display:flex;gap:12px}
.social-link{display:grid;place-items:center;width:44px;height:44px;border-radius:11px;border:1px solid var(--border);
  color:var(--text-dim);transition:transform .2s,border-color .2s,color .2s,background .2s}
.social-link:hover{transform:translateY(-3px);color:var(--text);border-color:var(--primary-2);background:var(--grad-soft)}

.hero__portrait{position:relative;justify-self:center}
.portrait{position:relative;width:clamp(240px,30vw,360px);aspect-ratio:1;border-radius:28px;padding:7px;
  background:linear-gradient(150deg,var(--primary),var(--accent));box-shadow:var(--shadow)}
.portrait img{width:100%;height:100%;object-fit:cover;border-radius:22px;position:relative;z-index:1}
.portrait__glow{position:absolute;inset:-30px;background:var(--grad);filter:blur(60px);opacity:.4;z-index:0;border-radius:50%}
.portrait__badge{position:absolute;right:-14px;bottom:22px;z-index:2;display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:12px 16px;box-shadow:var(--shadow-sm)}
.portrait__badge strong{font-family:'Jakarta';font-size:1rem}
.portrait__badge span{font-size:.78rem;color:var(--text-mute)}

.scroll-cue{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);z-index:1;
  width:26px;height:42px;border:2px solid var(--border-strong);border-radius:14px;display:grid;justify-items:center;padding-top:7px}
.scroll-cue__dot{width:5px;height:8px;border-radius:3px;background:var(--text-dim);animation:cue 1.8s infinite}
@keyframes cue{0%{transform:translateY(0);opacity:1}70%{transform:translateY(12px);opacity:0}100%{opacity:0}}

/* ---------- Sections ---------- */
.section{padding-block:clamp(70px,10vw,120px);position:relative}
.section--alt{background:var(--bg-2)}
.section__head{margin-bottom:clamp(36px,5vw,60px);max-width:720px}
.section__index{font-family:'JetBrains Mono',monospace;font-size:.85rem;color:var(--primary-2);font-weight:500;
  letter-spacing:.1em;display:inline-block;margin-bottom:10px}
.section__index::before{content:"// "}
.section__title{font-size:clamp(2rem,4.5vw,3rem)}
.section__sub{color:var(--text-dim);font-size:1.05rem;margin-top:12px}

/* ---------- About ---------- */
.about{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(30px,5vw,60px);align-items:start}
.about__media{position:relative}
.about__photo{width:100%;border-radius:var(--radius);border:1px solid var(--border);box-shadow:var(--shadow);
  position:sticky;top:calc(var(--header-h) + 30px)}
.about__lead{font-family:'Jakarta';font-weight:700;font-size:clamp(1.3rem,2.4vw,1.7rem);margin-bottom:20px;letter-spacing:-.02em}
.about__body p{color:var(--text-dim);margin-bottom:18px}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:32px 0}
.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:20px 18px;transition:transform .25s,border-color .25s}
.stat:hover{transform:translateY(-4px);border-color:var(--border-strong)}
.stat__num{display:block;font-family:'Jakarta';font-size:clamp(1.8rem,3vw,2.3rem);
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat__label{font-size:.85rem;color:var(--text-mute);line-height:1.4;display:block;margin-top:4px}
.quote{background:var(--grad-soft);border:1px solid var(--border);border-left:3px solid var(--primary);
  border-radius:var(--radius-sm);padding:22px 24px;margin-top:8px}
.quote blockquote{font-size:1.05rem;font-style:italic;color:var(--text);line-height:1.6}
.quote figcaption{margin-top:12px;font-size:.85rem;color:var(--text-mute);font-weight:600}

/* ---------- Timeline (CV) ---------- */
.cv__heading{font-size:1.4rem;margin:10px 0 28px;display:flex;align-items:center;gap:14px}
.cv__heading::after{content:"";flex:1;height:1px;background:var(--border)}
.timeline{position:relative;margin-left:8px;padding-left:34px;margin-bottom:56px}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(transparent,var(--accent),var(--primary))}
.timeline__item{position:relative;padding-bottom:30px}
.timeline__item:last-child{padding-bottom:0}
.timeline__dot{position:absolute;left:-34px;top:5px;width:16px;height:16px;border-radius:50%;
  background:var(--bg);border:3px solid var(--primary);box-shadow:0 0 0 4px color-mix(in srgb,var(--primary) 18%,transparent)}
.section--alt .timeline__dot{background:var(--bg-2)}
.timeline__date{font-family:'JetBrains Mono',monospace;font-size:.82rem;color:var(--primary-2);font-weight:500}
.timeline__card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:20px 22px;margin-top:10px;transition:transform .25s,border-color .25s,box-shadow .25s}
.timeline__card:hover{transform:translateX(5px);border-color:var(--border-strong);box-shadow:var(--shadow-sm)}
.timeline__role{font-size:1.12rem;margin-bottom:3px}
.timeline__org{color:var(--accent);font-weight:600;font-size:.92rem;margin-bottom:10px}
.timeline__text{color:var(--text-dim);font-size:.95rem}
.cv__downloads{display:flex;flex-wrap:wrap;gap:14px;margin-top:8px}

/* ---------- Timeline animations ---------- */
.timeline::after{content:"";position:absolute;left:7px;top:6px;width:2px;height:0;
  background:linear-gradient(var(--accent),var(--primary));
  box-shadow:0 0 12px 1px color-mix(in srgb,var(--primary) 55%,transparent),0 0 4px var(--primary);
  transition:height .1s linear;z-index:1}

/* Comet head */
.timeline__comet{position:absolute;left:8px;width:14px;height:14px;border-radius:50%;
  top:calc(6px + var(--tl-progress,0) * (100% - 12px));transform:translate(-50%,-50%);z-index:2;
  background:radial-gradient(circle,#fff,var(--primary) 60%,transparent 72%);
  box-shadow:0 0 16px 4px color-mix(in srgb,var(--primary) 70%,transparent);
  opacity:calc(var(--tl-progress,0) * (1 - var(--tl-progress,0)) * 4);
  animation:cometPulse 1.6s ease-in-out infinite;pointer-events:none}
@keyframes cometPulse{50%{box-shadow:0 0 22px 7px color-mix(in srgb,var(--primary) 80%,transparent)}}

/* Scroll-Progress */
.tl-progress .timeline::after{height:calc(var(--tl-progress,0) * (100% - 12px))}
.tl-progress .timeline__dot{transition:background .3s,border-color .3s,box-shadow .3s}
.tl-progress .timeline__item.is-active .timeline__dot{background:var(--primary);border-color:var(--primary);
  animation:dot-pulse .6s ease-out}
.tl-progress .timeline__item{opacity:0;transform:translateY(40px) scale(.94);filter:blur(8px);
  transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.3,1),filter .7s ease;
  transition-delay:calc(var(--i,0) * 80ms)}
.tl-progress .timeline__item.is-visible{opacity:1;transform:none;filter:none}

@keyframes dot-pulse{
  0%{box-shadow:0 0 0 4px color-mix(in srgb,var(--primary) 18%,transparent)}
  50%{box-shadow:0 0 0 10px color-mix(in srgb,var(--primary) 40%,transparent)}
  100%{box-shadow:0 0 0 4px color-mix(in srgb,var(--primary) 18%,transparent)}
}

/* ---------- Staggered reveals ---------- */
.skill-chips .chip.reveal{transition-delay:calc(var(--i,0) * 60ms)}
.projects .project.reveal{transition-delay:calc(var(--i,0) * 80ms)}

/* ---------- Stat counter ---------- */
.stat__num{display:inline-block}


/* ---------- Skills ---------- */
.skills{display:flex;flex-direction:column;gap:clamp(28px,4vw,42px)}
.skill-group__title{font-size:.8rem;font-weight:600;letter-spacing:.13em;text-transform:uppercase;color:var(--text-mute);margin-bottom:16px}
.skill-chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{position:relative;overflow:hidden;display:inline-flex;align-items:center;gap:9px;padding:9px 15px 9px 12px;border:1px solid var(--border);border-radius:11px;background:var(--surface);font-size:.92rem;font-weight:500;color:var(--text);transition:transform .2s ease,border-color .2s ease,background .2s ease,box-shadow .3s ease}
.chip:hover{transform:translateY(-2px);border-color:var(--border-strong);background:var(--surface-2);box-shadow:0 0 12px -3px color-mix(in srgb,var(--primary) 30%,transparent)}
.chip__icon{width:20px;height:20px;flex:none;object-fit:contain}
.chip__bar{position:absolute;bottom:0;left:0;height:3px;background:var(--grad);border-radius:0 0 11px 11px;width:0;transition:width .5s ease-out}
.chip:hover .chip__bar{width:var(--level,0%)}
.languages{margin-top:clamp(30px,4vw,46px)}
.languages__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:6px}
.lang-card{display:flex;flex-direction:column;align-items:center;text-align:center;gap:6px;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:24px 18px;transition:transform .25s,border-color .25s}
.lang-card:hover{transform:translateY(-4px);border-color:var(--border-strong)}
.lang-card__flag{font-size:2rem;line-height:1}
.lang-card strong{font-family:'Jakarta';font-size:1.05rem}
.lang-card__level{font-size:.85rem;color:var(--text-mute)}

/* ---------- Projects ---------- */
.projects{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:24px}
.project{position:relative;display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);overflow:hidden;transition:transform .3s,border-color .3s,box-shadow .3s}
.project:hover{transform:translateY(-6px);border-color:var(--border-strong);box-shadow:var(--shadow)}
.project__top{position:relative;height:140px;display:grid;place-items:center;overflow:hidden;
  background:var(--grad-soft);border-bottom:1px solid var(--border)}
.project__top::before{content:"";position:absolute;inset:0;
  background-image:linear-gradient(var(--border) 1px,transparent 1px),linear-gradient(90deg,var(--border) 1px,transparent 1px);
  background-size:26px 26px;opacity:.5}
.project__icon{position:relative;font-size:2.4rem;filter:drop-shadow(0 6px 14px rgba(0,0,0,.3))}
.project__badge{position:absolute;top:12px;right:12px;z-index:2;font-size:.72rem;font-weight:600;
  background:color-mix(in srgb,var(--bg) 75%,transparent);border:1px solid var(--border);color:var(--text-dim);
  padding:5px 11px;border-radius:100px;backdrop-filter:blur(6px)}
.project__body{padding:20px 22px;display:flex;flex-direction:column;flex:1}
.project__title{font-size:1.18rem;margin-bottom:8px}
.project__org{font-size:.84rem;color:var(--accent);font-weight:600;margin-bottom:12px}
.project__desc{color:var(--text-dim);font-size:.92rem;margin-bottom:18px;flex:1}
.project__tags{display:flex;flex-wrap:wrap;gap:7px}
.tag{font-family:'JetBrains Mono',monospace;font-size:.74rem;padding:5px 10px;border-radius:8px;
  background:var(--surface-2);border:1px solid var(--border);color:var(--text-dim)}
.projects__note{text-align:center;color:var(--text-mute);font-size:.9rem;margin-top:34px;max-width:640px;margin-inline:auto}

/* ---------- Video scene (scale-expand) ---------- */
.video-scene{position:relative;height:200vh}
.video-band{position:relative}
.video-stage{position:sticky;top:0;min-height:100vh;display:grid;place-items:center;overflow:hidden;gap:18px;padding:20px}
.video-stage::before{content:"";position:absolute;inset:0;background:#05060a;
  opacity:calc(var(--vp,0)*.5);z-index:0;pointer-events:none}
[data-theme="light"] .video-stage::before{background:#0f172a}
.video-band__eyebrow{position:relative;z-index:1;font-family:'JetBrains Mono',monospace;font-size:.85rem;
  color:var(--primary-2);letter-spacing:.1em;font-weight:500;
  opacity:calc(1 - var(--vp,0)*2.5);transition:none}

/* ---------- Video ---------- */
.video{position:relative;max-width:900px;margin-inline:auto;aspect-ratio:16/9;border-radius:var(--radius);
  overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow);background:#000}
.video__inner{position:absolute;inset:0;display:grid;place-items:center;
  background:radial-gradient(circle at 50% 35%,color-mix(in srgb,var(--primary) 40%,#000),#06060b)}
.video__play{position:relative;z-index:2;width:84px;height:84px;border-radius:50%;display:grid;place-items:center;
  background:var(--grad);color:#fff;box-shadow:0 14px 40px -8px rgba(99,102,241,.7);transition:transform .25s}
.video__play::after{content:"";position:absolute;inset:-10px;border-radius:50%;border:2px solid rgba(255,255,255,.3);animation:ring 2.4s infinite}
@keyframes ring{0%{transform:scale(.9);opacity:.8}100%{transform:scale(1.4);opacity:0}}
.video__play:hover{transform:scale(1.08)}
.video__placeholder{position:absolute;bottom:26px;left:0;right:0;text-align:center;z-index:2;padding-inline:24px}
.video__soon{font-family:'Jakarta';font-weight:700;color:#fff;font-size:1.1rem}
.video__hint{color:rgba(255,255,255,.7);font-size:.9rem;margin-top:4px;max-width:460px;margin-inline:auto}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0;z-index:3}

/* ---------- Contact ---------- */
.contact{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(28px,4vw,52px);align-items:start}
.contact__lead{font-size:1.1rem;color:var(--text-dim);margin-bottom:26px}
.contact__list{display:flex;flex-direction:column;gap:14px;margin-bottom:24px}
.contact__list li{display:flex;align-items:center;gap:14px}
.contact__ico{display:grid;place-items:center;width:40px;height:40px;border-radius:11px;flex:none;
  background:var(--grad-soft);border:1px solid var(--border);font-size:.9rem;font-weight:700;color:var(--primary-2)}
.contact__list a{color:var(--text);font-weight:500;transition:color .2s}
.contact__list a:hover{color:var(--primary-2)}
.contact__avail{display:inline-flex;align-items:center;gap:10px;font-size:.92rem;color:var(--text-dim);
  background:var(--surface);border:1px solid var(--border);padding:9px 16px;border-radius:100px}
.contact__form{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:clamp(22px,3vw,32px)}
.field{margin-bottom:18px}
.field label{display:block;font-size:.85rem;font-weight:600;margin-bottom:7px;color:var(--text-dim)}
.field input,.field textarea{width:100%;background:var(--bg);border:1px solid var(--border);border-radius:11px;
  padding:13px 15px;color:var(--text);font-family:inherit;font-size:.95rem;transition:border-color .2s,box-shadow .2s;resize:vertical}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px color-mix(in srgb,var(--primary) 18%,transparent)}
.field input::placeholder,.field textarea::placeholder{color:var(--text-mute)}
.form-status{margin-top:14px;font-size:.92rem;font-weight:500;min-height:1.2em;text-align:center}
.form-status.is-ok{color:#22c55e}
.form-status.is-err{color:#ef4444}
.form-note{margin-top:14px;font-size:.78rem;color:var(--text-mute);text-align:center}

/* ---------- Footer ---------- */
.footer{background:var(--bg-2);border-top:1px solid var(--border);padding-top:54px}
.footer__inner{display:grid;grid-template-columns:1.4fr 1fr auto;gap:30px;align-items:start;padding-bottom:32px}
.footer__brand{display:flex;flex-direction:column;gap:14px;max-width:34ch}
.footer__brand p{color:var(--text-mute);font-size:.92rem}
.footer__nav{display:flex;flex-wrap:wrap;gap:10px 22px}
.footer__nav a{color:var(--text-dim);font-size:.92rem;font-weight:500;transition:color .2s}
.footer__nav a:hover{color:var(--primary-2)}
.footer__social{display:flex;gap:12px}
.footer__bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  border-top:1px solid var(--border);padding-block:22px;color:var(--text-mute);font-size:.84rem}

/* ---------- To-top ---------- */
.to-top{position:fixed;right:24px;bottom:24px;z-index:90;width:48px;height:48px;border-radius:13px;display:grid;place-items:center;
  background:var(--surface);border:1px solid var(--border-strong);color:var(--text);box-shadow:var(--shadow-sm);
  opacity:0;visibility:hidden;transform:translateY(14px);transition:opacity .3s,transform .3s,visibility .3s}
.to-top.is-visible{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--grad);color:#fff;border-color:transparent}

/* ---------- Reveal animations ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.3,1)}
.reveal.is-visible{opacity:1;transform:none}
.reveal--scale-up{transform:scale(0.85)}
.reveal--scale-up.is-visible{transform:none}

/* ---------- Depth / layered parallax ---------- */
[data-parallax]{translate:0 var(--py,0);will-change:transform}
.hero-scene .hero__content{transform:scale(calc(1 + var(--hp,0)*.55)) translateY(calc(var(--hp,0)*-28px));opacity:calc(1 - var(--hp,0)*1.25);filter:blur(calc(var(--hp,0)*3px));will-change:transform,opacity,filter;transition:none}
.hero-scene .hero__portrait{transform:scale(calc(1 + var(--hp,0)*.32));opacity:calc(1 - var(--hp,0));will-change:transform,opacity;transition:none}
.hero-scene .scroll-cue{opacity:calc(1 - var(--hp,0)*3)}
.video-scene .video{width:min(760px,90vw);max-width:none;margin:0;
  transform:scale(calc(1 + var(--vp,0)*.58));
  border-radius:calc(20px - var(--vp,0)*12px);
  transform-origin:center center;will-change:transform;transition:none}

/* ---------- CV layout (sticky aside + depth) ---------- */
.cv-layout{display:grid;grid-template-columns:minmax(210px,290px) 1fr;gap:clamp(28px,5vw,60px);align-items:start}
.cv-aside{position:sticky;top:calc(var(--header-h) + 40px);align-self:start;transform-origin:left top;
  transform:scale(calc(1 - var(--cp,0)*.08)) translateY(calc(var(--cp,0)*-6px));
  opacity:calc(1 - var(--cp,0)*.32);filter:blur(calc(var(--cp,0)*1.3px));
  will-change:transform,opacity,filter}
.cv-aside .section__head{margin-bottom:0}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .hero__inner{grid-template-columns:1fr;text-align:center;padding-block:40px}
  .hero__eyebrow,.hero__cta,.hero__socials{justify-content:center}
  .hero__lead{margin-inline:auto}
  .hero__portrait{order:-1}
  .about{grid-template-columns:1fr}
  .about__photo{position:static;max-width:420px}
  .cv-layout{grid-template-columns:1fr}
  .cv-aside{position:static;transform:none;opacity:1;filter:none}
  .contact{grid-template-columns:1fr}
  .footer__inner{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .nav{position:fixed;inset:var(--header-h) 0 auto 0;flex-direction:column;gap:4px;
    background:var(--bg);border-bottom:1px solid var(--border);padding:16px clamp(20px,4vw,40px) 22px;
    transform:translateY(-130%);transition:transform .35s ease;box-shadow:var(--shadow)}
  .nav.is-open{transform:none}
  .nav__link{padding:12px 14px;font-size:1rem;border-radius:10px}
  .nav__link::after{display:none}
  .nav__link:hover{background:var(--surface)}
  .hamburger{display:flex}
  .stats{grid-template-columns:1fr;gap:12px}
  .languages__grid{grid-template-columns:1fr}
  .footer__inner{grid-template-columns:1fr;gap:24px}
  .footer__bottom{flex-direction:column;text-align:center}
  .brand__name{display:none}
  .hero-scene{height:auto}
  .hero{position:relative}
  .hero__bg{transform:none;filter:none}
  .hero__content{transform:none;opacity:1;filter:none}
  .hero__portrait{transform:none;opacity:1}
  .scroll-cue{opacity:1}
  .video-scene{height:auto}
  .video-stage{position:static;min-height:0;overflow:visible;padding:clamp(70px,10vw,120px) clamp(20px,4vw,40px)}
  .video-scene .video{transform:none;width:min(900px,100%);border-radius:var(--radius)}
  .video-stage::before{opacity:0}
  .video-band__eyebrow{opacity:1}
}
@media (max-width:420px){
  .projects{grid-template-columns:1fr}
  .portrait__badge{right:6px}
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
  .timeline__item{opacity:1 !important;transform:none !important;filter:none !important}
  .timeline__dot{transform:scale(1) !important}
  .chip__bar{width:var(--level,0%) !important;transition:none !important}
  .section__head{transform:none !important}
  .reveal--scale-up{transform:none;opacity:1}
  [data-parallax]{translate:none !important}
  .blob{translate:none !important}
  .hero-scene{height:auto !important}
  .hero{position:relative !important}
  .hero__bg{transform:none !important;filter:none !important}
  .hero__content{transform:none !important;opacity:1 !important;filter:none !important}
  .hero__portrait{transform:none !important;opacity:1 !important}
  .scroll-cue{opacity:1 !important}
  .cv-aside{transform:none !important;opacity:1 !important;filter:none !important;position:static !important}
  .video-scene{height:auto !important}
  .video-stage{position:static !important;min-height:0 !important;overflow:visible !important}
  .video-scene .video{transform:none !important;border-radius:var(--radius) !important}
  .video-stage::before{opacity:0 !important}
  .video-band__eyebrow{opacity:1 !important}
  .timeline__comet{animation:none}
}