/* =========================================================================
   Mert Demirdelen, demirdelen.com
   Hand-crafted, zero-dependency. Adaptive dark/light. Fraunces + Inter.
   ========================================================================= */

/* ---------- Fonts (self-hosted, subset to latin) ---------- */
@font-face{
  font-family:'Fraunces';
  font-style:normal;
  font-weight:100 900;
  font-display:swap;
  src:url('/assets/fonts/fraunces.woff2') format('woff2');
}
@font-face{
  font-family:'Fraunces';
  font-style:italic;
  font-weight:100 900;
  font-display:swap;
  src:url('/assets/fonts/fraunces-italic.woff2') format('woff2');
}
@font-face{
  font-family:'Inter';
  font-style:normal;
  font-weight:100 900;
  font-display:swap;
  src:url('/assets/fonts/inter.woff2') format('woff2');
}

/* ---------- Design tokens : DARK (default) ---------- */
:root{
  --bg:#0a0b0d;
  --bg-2:#0d0f13;
  --bg-3:#111419;
  --surface:rgba(255,255,255,.026);
  --surface-2:rgba(255,255,255,.045);
  --text:#f1f3f6;
  --text-soft:#d6d9e0;
  --muted:#9aa1ad;
  --faint:#6c7280;
  --line:rgba(255,255,255,.10);
  --line-soft:rgba(255,255,255,.06);

  --accent:#c2c8d2;          /* cool platinum, decorative */
  --accent-2:#e8ebf0;
  --accent-deep:#9aa0ac;
  --accent-ink:#e0e4ea;      /* bright neutral label on dark */
  --accent-grad:linear-gradient(100deg,#ffffff 0%,#d4d8e0 46%,#aab0bd 100%);
  --on-accent:#0a0b0d;

  --font-serif:'Fraunces',Georgia,'Times New Roman',serif;
  --font-sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;

  --fs-hero:clamp(2.5rem,1.4rem + 5vw,5rem);
  --fs-h2:clamp(1.95rem,1.25rem + 2.9vw,3.4rem);
  --fs-h3:clamp(1.12rem,1.02rem + .55vw,1.45rem);
  --fs-lead:clamp(1.06rem,.99rem + .42vw,1.32rem);

  --r-sm:10px; --r:16px; --r-lg:22px; --r-xl:30px;
  --maxw:1140px;
  --pad:clamp(20px,5vw,48px);
  --section-y:clamp(58px,7vw,108px);

  --shadow:0 1px 2px rgba(0,0,0,.4),0 18px 50px -22px rgba(0,0,0,.7);
  --shadow-lg:0 30px 90px -30px rgba(0,0,0,.85);
  --ring:0 0 0 3px color-mix(in srgb,var(--accent) 45%,transparent);

  --ease:cubic-bezier(.22,1,.36,1);
  --t:.45s var(--ease);

  color-scheme:dark;
}

/* ---------- Design tokens : LIGHT ---------- */
:root[data-theme="light"]{
  --bg:#f7f6f3;
  --bg-2:#ffffff;
  --bg-3:#ffffff;
  --surface:rgba(20,18,14,.022);
  --surface-2:rgba(20,18,14,.04);
  --text:#181a1f;
  --text-soft:#33373f;
  --muted:#5c616b;
  --faint:#8b909a;
  --line:rgba(20,18,14,.12);
  --line-soft:rgba(20,18,14,.07);

  --accent:#5b606b;
  --accent-2:#3a3e47;
  --accent-deep:#2c2f37;
  --accent-ink:#2a2d33;       /* legible accent on light */
  --accent-grad:linear-gradient(100deg,#2b2e35 0%,#16181d 60%,#0c0d11 100%);
  --on-accent:#ffffff;

  --shadow:0 1px 2px rgba(40,33,20,.06),0 22px 50px -28px rgba(60,48,24,.35);
  --shadow-lg:0 40px 90px -38px rgba(60,48,24,.4);
  color-scheme:light;
}
@media (prefers-color-scheme:light){
  :root:not([data-theme]){
    --bg:#f7f6f3; --bg-2:#fff; --bg-3:#fff;
    --surface:rgba(20,18,14,.022); --surface-2:rgba(20,18,14,.04);
    --text:#181a1f; --text-soft:#33373f; --muted:#5c616b; --faint:#8b909a;
    --line:rgba(20,18,14,.12); --line-soft:rgba(20,18,14,.07);
    --accent:#5b606b; --accent-2:#3a3e47; --accent-deep:#2c2f37;
    --accent-ink:#2a2d33; --accent-grad:linear-gradient(100deg,#2b2e35,#16181d 60%,#0c0d11);
    --on-accent:#ffffff;
    --shadow:0 1px 2px rgba(40,33,20,.06),0 22px 50px -28px rgba(60,48,24,.35);
    --shadow-lg:0 40px 90px -38px rgba(60,48,24,.4);
    color-scheme:light;
  }
}

/* ---------- Reset / base ---------- */
*,*::before,*::after{box-sizing:border-box}
*{margin:0}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:88px;
}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:clamp(1rem,.97rem + .12vw,1.0625rem);
  line-height:1.6;
  font-weight:400;
  letter-spacing:-.011em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
  transition:background-color .5s var(--ease),color .5s var(--ease);
}
img,picture,svg{display:block;max-width:100%}
svg{fill:currentColor}
a{color:inherit;text-decoration:none}
ul{list-style:none;padding:0}
b,strong{font-weight:600;color:var(--text)}
em{font-style:italic}
::selection{background:color-mix(in srgb,var(--accent) 38%,transparent);color:var(--text)}
:focus-visible{outline:none;box-shadow:var(--ring);border-radius:6px}

/* ---------- Layout ---------- */
.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--pad)}
.section{padding-block:var(--section-y);position:relative}

/* ---------- Atmosphere : grain + scroll progress ---------- */
.grain{
  position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode:overlay;
}
:root[data-theme="light"] .grain{opacity:.04;mix-blend-mode:multiply}
.scroll-progress{
  position:fixed;top:0;left:0;height:2px;width:100%;transform:scaleX(0);transform-origin:0 50%;
  background:var(--accent-grad);z-index:60;opacity:.9;
}

/* ---------- Skip link ---------- */
.skip-link{
  position:fixed;top:10px;left:10px;z-index:100;
  background:var(--bg-3);color:var(--text);padding:10px 16px;border-radius:10px;
  border:1px solid var(--line);transform:translateY(-150%);transition:transform .25s var(--ease)
}
.skip-link:focus{transform:none}

/* ---------- Buttons ---------- */
.btn{
  --bw:1px;
  display:inline-flex;align-items:center;gap:.55em;
  font-weight:500;font-size:.95rem;letter-spacing:-.01em;
  padding:.78em 1.25em;border-radius:999px;cursor:pointer;
  border:var(--bw) solid var(--line);background:var(--surface);color:var(--text);
  transition:transform .35s var(--ease),background-color var(--t),border-color var(--t),box-shadow var(--t),color var(--t);
  will-change:transform;white-space:nowrap
}
.btn svg{fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;transition:transform .35s var(--ease)}
.btn:hover{border-color:color-mix(in srgb,var(--accent) 55%,var(--line))}
.btn:hover svg{transform:translateX(3px)}
.btn-primary{
  background:var(--accent-grad);color:var(--on-accent);border-color:transparent;
  box-shadow:0 1px 1px rgba(0,0,0,.15),0 14px 34px -14px color-mix(in srgb,var(--accent) 70%,transparent)
}
.btn-primary:hover{box-shadow:0 1px 1px rgba(0,0,0,.15),0 18px 40px -12px color-mix(in srgb,var(--accent) 80%,transparent)}
.btn-ghost{background:var(--surface)}
.btn-ghost:hover{background:var(--surface-2)}
.btn-lg{font-size:1.02rem;padding:.95em 1.55em}

/* ---------- Header / nav ---------- */
.site-header{position:sticky;top:0;z-index:50;transition:background-color .4s var(--ease),border-color .4s var(--ease),backdrop-filter .4s}
.site-header::after{content:"";position:absolute;inset:0;border-bottom:1px solid transparent;pointer-events:none;transition:border-color .4s}
.site-header.scrolled{background:color-mix(in srgb,var(--bg) 72%,transparent);backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%)}
.site-header.scrolled::after{border-bottom-color:var(--line-soft)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;height:72px}
.brand{display:inline-flex;align-items:center;gap:.6rem;font-weight:560}
.brand-mark{
  display:grid;place-items:center;width:34px;height:34px;border-radius:10px;
  font-family:var(--font-serif);font-weight:600;font-size:.92rem;letter-spacing:.02em;
  color:var(--on-accent);background:var(--accent-grad);
  box-shadow:0 6px 18px -8px color-mix(in srgb,var(--accent) 75%,transparent)
}
.brand-name{font-size:.98rem;letter-spacing:-.01em}
.nav-links{display:flex;gap:.35rem;position:absolute;left:50%;transform:translateX(-50%)}
.nav-links a{
  position:relative;padding:.5rem .8rem;border-radius:999px;font-size:.92rem;color:var(--muted);
  transition:color var(--t),background-color var(--t)
}
.nav-links a::after{
  content:"";position:absolute;left:.8rem;right:.8rem;bottom:.34rem;height:1.5px;
  background:var(--accent);transform:scaleX(0);transform-origin:0;transition:transform .35s var(--ease);opacity:.85
}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{color:var(--text)}
.nav-actions{display:flex;align-items:center;gap:.6rem}
.theme-toggle{
  width:40px;height:40px;border-radius:999px;display:grid;place-items:center;cursor:pointer;
  background:var(--surface);border:1px solid var(--line);color:var(--text);
  transition:background-color var(--t),border-color var(--t),transform .3s var(--ease)
}
.theme-toggle:hover{background:var(--surface-2);transform:rotate(-12deg)}
.theme-toggle svg{fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.icon-moon{display:none}
:root[data-theme="light"] .icon-sun{display:none}
:root[data-theme="light"] .icon-moon{display:block}
@media (prefers-color-scheme:light){
  :root:not([data-theme]) .icon-sun{display:none}
  :root:not([data-theme]) .icon-moon{display:block}
}

/* ---------- Hero ---------- */
.hero{position:relative;padding-top:clamp(40px,6vw,80px);padding-bottom:clamp(8px,3vw,24px);overflow:hidden}
.hero-aurora{position:absolute;inset:-20% -10% 0;z-index:0;pointer-events:none;filter:blur(72px);opacity:.55}
.hero-aurora span{position:absolute;display:block;border-radius:50%;mix-blend-mode:screen}
.hero-aurora span:nth-child(1){width:46vw;height:46vw;left:-6vw;top:-8vw;background:radial-gradient(circle at 30% 30%,rgba(228,232,239,.30),transparent 62%);animation:drift1 22s var(--ease) infinite alternate}
.hero-aurora span:nth-child(2){width:40vw;height:40vw;right:-8vw;top:2vw;background:radial-gradient(circle at 60% 40%,rgba(150,163,196,.20),transparent 60%);animation:drift2 27s var(--ease) infinite alternate}
.hero-aurora span:nth-child(3){width:34vw;height:34vw;left:34%;top:18vw;background:radial-gradient(circle at 50% 50%,rgba(198,204,214,.16),transparent 60%);animation:drift3 31s var(--ease) infinite alternate}
:root[data-theme="light"] .hero-aurora{opacity:.4;mix-blend-mode:normal}
:root[data-theme="light"] .hero-aurora span{mix-blend-mode:normal}
@keyframes drift1{to{transform:translate(7%,5%) scale(1.12)}}
@keyframes drift2{to{transform:translate(-6%,8%) scale(1.08)}}
@keyframes drift3{to{transform:translate(4%,-6%) scale(1.14)}}

.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.25fr .85fr;gap:clamp(2rem,5vw,4.5rem);align-items:center;min-height:min(78vh,760px)}
.eyebrow{
  display:inline-flex;align-items:center;gap:.6rem;
  font-size:.82rem;letter-spacing:.04em;color:var(--muted);
  text-transform:uppercase;font-weight:500;margin-bottom:1.4rem
}
.eyebrow-dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 22%,transparent);animation:pulse 3s ease-in-out infinite}
@keyframes pulse{50%{box-shadow:0 0 0 7px color-mix(in srgb,var(--accent) 0%,transparent)}}
.hero-title{
  font-family:var(--font-serif);font-weight:380;font-optical-sizing:auto;
  font-size:var(--fs-hero);line-height:1.02;letter-spacing:-.02em;
  text-wrap:balance;margin-bottom:1.5rem
}
.hero-title em{font-style:italic;font-weight:420}
.grad{
  background:var(--accent-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-style:italic
}
.hero-lede{font-size:var(--fs-lead);color:var(--text-soft);max-width:36ch;line-height:1.55;font-weight:380;text-wrap:pretty}
.hero-actions{display:flex;flex-wrap:wrap;gap:.85rem;margin-top:2rem}
.hero-meta{display:flex;flex-wrap:wrap;gap:1.6rem;margin-top:2.4rem;color:var(--muted);font-size:.92rem}
.hero-meta li{position:relative}
.hero-meta b{display:block;font-family:var(--font-serif);font-size:1.45rem;font-weight:500;color:var(--text);line-height:1.1;letter-spacing:-.01em}

/* hero portrait */
.hero-portrait{position:relative;justify-self:end}
.portrait-frame{position:relative;width:min(420px,72vw);aspect-ratio:1;border-radius:var(--r-xl)}
.portrait-frame::before{
  content:"";position:absolute;inset:-1px;border-radius:inherit;padding:1px;
  background:linear-gradient(150deg,color-mix(in srgb,var(--accent) 70%,transparent),transparent 42%,transparent 60%,color-mix(in srgb,var(--accent) 35%,transparent));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;z-index:3
}
.portrait-frame img{
  width:100%;height:100%;object-fit:cover;border-radius:var(--r-xl);
  box-shadow:var(--shadow-lg);filter:saturate(1.02) contrast(1.02);
  transition:transform .6s var(--ease)
}
.portrait-frame::after{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:linear-gradient(to top,color-mix(in srgb,var(--bg) 60%,transparent),transparent 38%);
  opacity:.5
}
.hero-portrait:hover .portrait-frame img{transform:scale(1.025)}
.portrait-badge{
  position:absolute;left:50%;bottom:-14px;transform:translateX(-50%);z-index:4;white-space:nowrap;
  display:inline-flex;align-items:center;gap:.5rem;font-size:.8rem;color:var(--text);
  padding:.5rem .85rem;border-radius:999px;border:1px solid var(--line);
  background:color-mix(in srgb,var(--bg-3) 82%,transparent);backdrop-filter:blur(10px);box-shadow:var(--shadow)
}
.portrait-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--accent-2);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 24%,transparent);animation:pulse2 2.4s ease-in-out infinite}
@keyframes pulse2{50%{box-shadow:0 0 0 7px color-mix(in srgb,var(--accent) 0%,transparent)}}

/* marquee */
.marquee{position:relative;z-index:2;margin-top:clamp(2.4rem,5vw,4rem);padding-block:1.1rem;border-block:1px solid var(--line-soft);overflow:hidden;-webkit-mask:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee-track{display:flex;align-items:center;gap:2.2rem;width:max-content;animation:marquee 38s linear infinite;font-size:.94rem;color:var(--muted)}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee-track .sep{color:var(--accent);opacity:.6;font-size:.7rem}
.marquee-track span:not(.sep){letter-spacing:.01em}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ---------- Section heads ---------- */
.section-head{max-width:62ch;margin-bottom:clamp(2.4rem,5vw,3.8rem)}
.section-kicker{font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-ink);font-weight:600;margin-bottom:1rem}
.section-title{font-family:var(--font-serif);font-weight:400;font-size:var(--fs-h2);line-height:1.05;letter-spacing:-.02em;text-wrap:balance}
.section-sub{margin-top:1.1rem;color:var(--muted);font-size:var(--fs-lead);max-width:54ch;text-wrap:pretty}

/* ---------- Stats ---------- */
.stats{padding-block:clamp(40px,6vw,72px);border-block:1px solid var(--line-soft);background:linear-gradient(180deg,var(--surface),transparent 80%)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(1.5rem,4vw,3rem)}
.stat{text-align:left}
.stat-num{font-family:var(--font-serif);font-weight:430;font-size:clamp(2.3rem,1.4rem + 3vw,3.6rem);line-height:1;letter-spacing:-.02em;color:var(--text);font-variant-numeric:tabular-nums}
.stat-label{margin-top:.7rem;color:var(--muted);font-size:.95rem;max-width:22ch;line-height:1.4}

/* ---------- About ---------- */
.about-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(2rem,5vw,4.5rem);align-items:start}
.about-grid .section-head{margin-bottom:0;position:sticky;top:96px}
.about-body p{color:var(--text-soft);margin-bottom:1.15rem;max-width:60ch}
.about-body .lead{font-size:var(--fs-lead);color:var(--text);font-weight:420}
.about-body em{color:var(--accent-ink);font-style:italic}
.about-tags{display:flex;flex-wrap:wrap;gap:.55rem;margin-top:1.8rem}
.about-tags li{font-size:.86rem;color:var(--text-soft);padding:.45rem .85rem;border:1px solid var(--line);border-radius:999px;background:var(--surface);transition:border-color var(--t),background-color var(--t)}
.about-tags li:hover{border-color:color-mix(in srgb,var(--accent) 50%,var(--line));background:var(--surface-2)}

/* ---------- Work ---------- */
.work-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(1rem,2.2vw,1.5rem)}
.work-card{
  position:relative;padding:clamp(1.5rem,3vw,2.2rem);border-radius:var(--r-lg);
  border:1px solid var(--line);background:var(--surface);overflow:hidden;
  transition:transform .5s var(--ease),border-color var(--t),background-color var(--t),box-shadow var(--t);
  display:flex;flex-direction:column;gap:.9rem
}
.work-card::before{
  content:"";position:absolute;inset:0;border-radius:inherit;opacity:0;transition:opacity .5s var(--ease);
  background:radial-gradient(120% 90% at 0% 0%,color-mix(in srgb,var(--accent) 14%,transparent),transparent 55%);pointer-events:none
}
.work-card:hover{transform:translateY(-5px);border-color:color-mix(in srgb,var(--accent) 38%,var(--line));box-shadow:var(--shadow)}
.work-card:hover::before{opacity:1}
.work-feature{grid-column:1 / -1;background:linear-gradient(120deg,var(--surface-2),var(--surface))}
.work-card-top{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.work-tag{font-size:.76rem;letter-spacing:.06em;text-transform:uppercase;color:var(--accent-ink);font-weight:600}
.work-metric{font-size:.85rem;color:var(--text);font-family:var(--font-serif);font-weight:500}
.work-name{font-family:var(--font-serif);font-weight:440;font-size:var(--fs-h3);letter-spacing:-.01em;line-height:1.1}
.work-feature .work-name{font-size:clamp(1.6rem,1.2rem + 1.8vw,2.4rem)}
.work-desc{color:var(--muted);font-size:.97rem;line-height:1.55;max-width:60ch}
.work-feature .work-desc{font-size:var(--fs-lead);color:var(--text-soft);max-width:48ch}
.work-foot{display:flex;flex-wrap:wrap;gap:.45rem;margin-top:auto;padding-top:.4rem}
.chip{font-size:.76rem;color:var(--muted);padding:.32rem .7rem;border-radius:999px;border:1px solid var(--line-soft);background:var(--surface)}

/* ---------- Experience / timeline ---------- */
.timeline{position:relative;margin-left:6px;padding-left:clamp(1.5rem,3vw,2.4rem);border-left:1px solid var(--line)}
.tl-item{position:relative;padding-bottom:clamp(2rem,4vw,3.2rem)}
.tl-item:last-child{padding-bottom:0}
.tl-marker{position:absolute;left:calc(-1*clamp(1.5rem,3vw,2.4rem) - 6px);top:.4rem;width:12px;height:12px;border-radius:50%;background:var(--accent-grad);box-shadow:0 0 0 4px var(--bg),0 0 0 5px var(--line)}
.tl-head{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.tl-head h3{font-family:var(--font-serif);font-weight:480;font-size:clamp(1.2rem,1.05rem + .6vw,1.5rem);letter-spacing:-.01em}
.tl-date{font-size:.84rem;color:var(--faint);white-space:nowrap;font-variant-numeric:tabular-nums}
.tl-org{color:var(--accent-ink);font-size:.93rem;margin-top:.25rem;margin-bottom:.9rem;font-weight:500}
.tl-points li{position:relative;color:var(--muted);padding-left:1.2rem;margin-bottom:.55rem;max-width:72ch;line-height:1.55;font-size:.97rem}
.tl-points li::before{content:"";position:absolute;left:0;top:.62em;width:6px;height:1.5px;background:var(--accent);opacity:.7}

.edu{margin-top:clamp(2.4rem,5vw,3.4rem);padding-top:clamp(2rem,4vw,2.6rem);border-top:1px solid var(--line-soft)}
.edu-title{font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:var(--faint);font-weight:600;margin-bottom:1.3rem}
.edu-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.edu-item{display:flex;flex-direction:column;gap:.2rem;padding:1.1rem 1.3rem;border:1px solid var(--line);border-radius:var(--r);background:var(--surface)}
.edu-deg{font-family:var(--font-serif);font-weight:500;font-size:1.08rem}
.edu-school{color:var(--text-soft);font-size:.92rem}
.edu-year{color:var(--faint);font-size:.84rem;margin-top:.15rem}

/* ---------- Expertise ---------- */
.exp-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(1rem,2.5vw,1.6rem)}
.exp-col{padding:clamp(1.4rem,2.5vw,1.8rem);border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);transition:border-color var(--t),background-color var(--t),transform .5s var(--ease)}
.exp-col:hover{border-color:color-mix(in srgb,var(--accent) 30%,var(--line));transform:translateY(-3px)}
.exp-col h3{font-family:var(--font-serif);font-weight:500;font-size:1.12rem;margin-bottom:1rem;letter-spacing:-.01em}
.exp-col ul{display:flex;flex-direction:column;gap:.5rem}
.exp-col li{position:relative;color:var(--muted);font-size:.93rem;padding-left:1.1rem}
.exp-col li::before{content:"";position:absolute;left:0;top:.6em;width:5px;height:5px;border-radius:50%;background:var(--accent);opacity:.6}

/* ---------- Contact ---------- */
.contact{padding-top:clamp(34px,4vw,56px)}
.contact-inner{position:relative;text-align:center;max-width:760px;padding-block:0}
.contact-glow{display:none}
.contact-inner>*{position:relative;z-index:1}
.contact-inner .section-kicker{margin-inline:auto}
.contact-title{font-family:var(--font-serif);font-weight:400;font-size:var(--fs-h2);line-height:1.05;letter-spacing:-.02em;margin-bottom:1.2rem;text-wrap:balance}
.contact-sub{color:var(--muted);font-size:var(--fs-lead);max-width:46ch;margin:0 auto 2.2rem;text-wrap:pretty}
.contact-actions{display:flex;flex-wrap:wrap;gap:.85rem;justify-content:center}
.contact-socials{display:flex;gap:.7rem;justify-content:center;margin-top:2.4rem}
.contact-socials a{width:46px;height:46px;border-radius:999px;display:grid;place-items:center;border:1px solid var(--line);background:var(--surface);color:var(--text-soft);transition:transform .35s var(--ease),border-color var(--t),color var(--t),background-color var(--t)}
.contact-socials a svg{fill:currentColor}
.contact-socials a svg.ig{fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.contact-socials a:hover{transform:translateY(-4px);color:var(--accent-ink);border-color:color-mix(in srgb,var(--accent) 50%,var(--line));background:var(--surface-2)}

/* ---------- Footer ---------- */
.site-footer{position:relative;border-top:1px solid var(--line-soft);padding-block:clamp(2.4rem,4vw,3.4rem);background:var(--bg-2)}
.footer-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1.5rem}
.footer-brand{display:flex;align-items:center;gap:.85rem}
.footer-name{font-weight:560;font-size:1rem}
.footer-role{color:var(--faint);font-size:.86rem}
.footer-links{display:flex;flex-wrap:wrap;gap:.3rem}
.footer-links a{color:var(--muted);font-size:.9rem;padding:.4rem .7rem;border-radius:8px;transition:color var(--t),background-color var(--t)}
.footer-links a:hover{color:var(--text);background:var(--surface)}
.footer-copy{color:var(--faint);font-size:.84rem;width:100%;border-top:1px solid var(--line-soft);padding-top:1.4rem;margin-top:.4rem}
.to-top{position:absolute;right:var(--pad);top:-22px;width:44px;height:44px;border-radius:999px;display:grid;place-items:center;background:var(--bg-3);border:1px solid var(--line);color:var(--text);box-shadow:var(--shadow);transition:transform .35s var(--ease),border-color var(--t)}
.to-top svg{fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.to-top:hover{transform:translateY(-4px);border-color:color-mix(in srgb,var(--accent) 50%,var(--line))}

/* ---------- Reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal:nth-child(2){transition-delay:.06s}
.reveal:nth-child(3){transition-delay:.12s}
.reveal:nth-child(4){transition-delay:.18s}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:2.6rem;min-height:0;text-align:left}
  .hero-portrait{justify-self:start;order:-1}
  .portrait-frame{width:min(300px,62vw)}
  .about-grid{grid-template-columns:1fr;gap:1.8rem}
  .about-grid .section-head{position:static}
  .exp-grid{grid-template-columns:repeat(2,1fr)}
  .nav-links{display:none}
}
@media (max-width:760px){
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:2rem 1.5rem}
  .work-grid{grid-template-columns:1fr}
  .edu-grid{grid-template-columns:1fr}
  .brand-name{display:none}
  .nav-cta{display:none}
  .hero-meta{gap:1.1rem 1.6rem}
  .footer-inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .exp-grid{grid-template-columns:1fr}
  .hero-meta b{font-size:1.25rem}
  .btn{font-size:.9rem}
  .contact-socials a{width:44px;height:44px}
}

/* ---------- Motion preferences ---------- */
@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}
  .hero-aurora span{animation:none}
  .marquee-track{animation:none;transform:none}
  .marquee{-webkit-mask:none;mask:none}
}

/* ============================================================
   TECHNICAL LAYER, mono type · blueprint grid · the System
   ============================================================ */
@font-face{
  font-family:'JetBrains Mono';
  font-style:normal;font-weight:100 800;font-display:swap;
  src:url('/assets/fonts/jetbrains-mono.woff2') format('woff2');
}
:root{ --font-mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace }

/* Blueprint grid, behind content, fades down the viewport */
.tech-grid{
  position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.75;
  background-image:
    linear-gradient(to right,var(--line-soft) 1px,transparent 1px),
    linear-gradient(to bottom,var(--line-soft) 1px,transparent 1px);
  background-size:clamp(46px,5.5vw,74px) clamp(46px,5.5vw,74px);
  -webkit-mask-image:radial-gradient(125% 78% at 50% 0%,#000 0%,transparent 66%);
          mask-image:radial-gradient(125% 78% at 50% 0%,#000 0%,transparent 66%);
}
main,.site-footer{position:relative;z-index:1}
.grain{z-index:2;opacity:.04}
:root[data-theme="light"] .grain{opacity:.03}

/* Technical labels rendered in mono */
.section-kicker{font-family:var(--font-mono);font-weight:500;font-size:.72rem;letter-spacing:.16em}
.eyebrow{font-family:var(--font-mono);font-size:.74rem;font-weight:500;letter-spacing:.15em}
.marquee-track{font-family:var(--font-mono);font-size:.8rem;letter-spacing:.05em;text-transform:uppercase}
.marquee-track .sep{font-size:.82rem;font-weight:600}
.work-tag{font-family:var(--font-mono);letter-spacing:.07em;font-size:.7rem}
.work-metric{font-family:var(--font-mono);font-weight:500;font-size:.78rem}
.chip{font-family:var(--font-mono);font-size:.71rem;letter-spacing:.01em}
.stat-label{font-family:var(--font-mono);font-size:.76rem;letter-spacing:.04em;text-transform:uppercase}
.exp-col li{font-family:var(--font-mono);font-size:.84rem;letter-spacing:.005em}
.footer-role{font-family:var(--font-mono);font-size:.74rem;letter-spacing:.04em}
.footer-copy{font-family:var(--font-mono);font-size:.74rem;letter-spacing:.02em}

/* Hero meta as mono stat chips */
.hero-meta{gap:1.6rem 2rem}
.hero-meta li{display:flex;flex-direction:column;gap:.2rem}
.hero-meta b{font-family:var(--font-serif);font-size:1.65rem}
.hero-meta span{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}

/* Portrait badge → present-tense, mono */
.portrait-badge{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.06em;text-transform:uppercase}

/* System, the growth surface */
.system-tags{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1.7rem}
.sys-tag{font-family:var(--font-mono);font-size:.71rem;letter-spacing:.05em;text-transform:uppercase;color:var(--text-soft);padding:.42rem .8rem;border:1px solid var(--line);border-radius:8px;background:var(--surface)}
.stages{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(.9rem,2vw,1.4rem);margin-top:clamp(2.4rem,5vw,3.6rem)}
.stage{position:relative;padding:clamp(1.4rem,2.6vw,2rem);border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);overflow:hidden;transition:border-color var(--t),background-color var(--t),transform .5s var(--ease)}
.stage::before{content:"";position:absolute;left:0;top:0;height:2px;width:0;background:var(--accent-grad);transition:width .55s var(--ease)}
.stage:hover{transform:translateY(-4px);border-color:color-mix(in srgb,var(--accent) 34%,var(--line))}
.stage:hover::before{width:100%}
.stage-no{display:block;font-family:var(--font-mono);font-size:.82rem;font-weight:600;letter-spacing:.1em;color:var(--accent-ink);margin-bottom:1rem}
.stage-no::before{content:"// "}
.stage h3{font-family:var(--font-serif);font-weight:480;font-size:1.18rem;letter-spacing:-.01em;margin-bottom:.55rem}
.stage p{color:var(--muted);font-size:.93rem;line-height:1.55}
.system-note{margin-top:clamp(1.8rem,3.5vw,2.6rem);max-width:82ch;color:var(--text-soft);font-size:1rem;line-height:1.65;padding:.2rem 0 .2rem 1.3rem;border-left:2px solid color-mix(in srgb,var(--accent) 50%,var(--line))}
.mono-pin{font-family:var(--font-mono);font-size:.64rem;font-weight:600;letter-spacing:.14em;color:var(--accent-ink);border:1px solid var(--line);border-radius:6px;padding:.22rem .5rem;margin-right:.7rem;white-space:nowrap}

@media (max-width:980px){ .stages{grid-template-columns:repeat(2,1fr)} }
@media (max-width:560px){ .stages{grid-template-columns:1fr} }

/* ============================================================
   MOBILE-FIRST · HUMBLE, centered hero, tighter rhythm
   ============================================================ */
.hero{padding-top:clamp(26px,7vw,66px);padding-bottom:clamp(6px,2vw,16px);overflow:hidden}
.hero-inner{position:relative;z-index:2;max-width:640px;margin-inline:auto;text-align:center;display:flex;flex-direction:column;align-items:center}
.hero-avatar{display:block;width:clamp(88px,23vw,132px);height:clamp(88px,23vw,132px);border-radius:50%;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);margin-bottom:1.5rem}
.hero-avatar img{width:100%;height:100%;object-fit:cover;display:block;filter:saturate(1.02) contrast(1.02)}
.hero-inner .eyebrow{margin-bottom:1rem}
.hero-name{font-family:var(--font-serif);font-weight:420;font-size:clamp(2.3rem,1.5rem + 3.2vw,3.9rem);line-height:1.02;letter-spacing:-.02em;margin-bottom:1.1rem}
.hero-inner .hero-lede{font-size:var(--fs-lead);color:var(--text-soft);max-width:46ch;margin:0 auto 1.7rem;text-wrap:pretty}
.hero-inner .hero-actions{justify-content:center;flex-wrap:wrap;gap:.7rem;margin-top:0}
.hero-stats{font-family:var(--font-mono);font-size:.74rem;letter-spacing:.03em;color:var(--muted);margin-top:1.8rem;max-width:42ch;line-height:1.7}

/* Tighten the whole page on phones so it isn't an endless scroll */
@media (max-width:640px){
  :root{ --section-y:clamp(42px,11vw,62px) }
  .section-head{margin-bottom:1.7rem}
  .section-sub{font-size:1.02rem}
  .stages{gap:.65rem;margin-top:1.6rem}
  .stage{padding:1.05rem 1.15rem}
  .stage-no{margin-bottom:.45rem}
  .stage h3{font-size:1.04rem;margin-bottom:.3rem}
  .stage p{font-size:.88rem;line-height:1.5}
  .system-tags{margin-top:1.2rem}
  .system-note{margin-top:1.5rem;font-size:.92rem;padding-left:1rem}
  .work-grid{gap:.65rem}
  .work-card{padding:1.3rem 1.25rem;gap:.55rem}
  .work-feature .work-name{font-size:1.5rem}
  .exp-grid{gap:.65rem}
  .exp-col{padding:1.2rem 1.25rem}
  .exp-col h3{margin-bottom:.7rem}
  .contact-socials{margin-top:1.8rem}
}