/* =====================================================================
   Amirhossein Faghihifar — personal site
   ===================================================================== */
:root{
  --bg:#070b14; --bg2:#0b1020; --panel:rgba(255,255,255,.035); --panel2:rgba(255,255,255,.06);
  --line:rgba(255,255,255,.09); --line2:rgba(255,255,255,.16);
  --text:#e7edf3; --muted:#8e9bab; --dim:#5d6a78;
  --teal:#4fd1c5; --teal-dim:#2f8390; --amber:#f5b14c; --violet:#8b7cf6; --rose:#f472b6; --green:#4ade80;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  --disp:"Space Grotesk",var(--sans);
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --r:16px; --maxw:1140px;
  --ease:cubic-bezier(.22,1,.36,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:16px;line-height:1.6;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%}
::selection{background:rgba(79,209,197,.35)}
h1,h2,h3,h4{font-family:var(--disp);letter-spacing:-.02em;margin:0;overflow-wrap:anywhere;line-height:1.12}
.mono{font-family:var(--mono);font-size:.82rem}
.dim{color:var(--dim)}
.container{max-width:var(--maxw);margin:0 auto;padding-inline:clamp(20px,5vw,48px)}

/* ---------- ambient background ---------- */
.bg-grid{position:fixed;inset:0;z-index:-2;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:64px 64px;
  mask-image:radial-gradient(ellipse 70% 60% at 50% 0%,#000 30%,transparent 100%);
  -webkit-mask-image:radial-gradient(ellipse 70% 60% at 50% 0%,#000 30%,transparent 100%)}
.bg-glow{position:fixed;z-index:-3;pointer-events:none;border-radius:50%;filter:blur(90px);opacity:.35}
.bg-glow-a{width:60vw;height:60vw;right:-20vw;top:-20vw;background:radial-gradient(circle,rgba(79,209,197,.55),transparent 60%)}
.bg-glow-b{width:50vw;height:50vw;left:-20vw;top:60vh;background:radial-gradient(circle,rgba(139,124,246,.45),transparent 60%)}

/* ---------- 3D layers ---------- */
#bg3d{position:fixed;inset:0;z-index:-1;pointer-events:none;width:100%;height:100%;opacity:.9}
#scenes{position:fixed;inset:0;z-index:5;pointer-events:none;width:100%;height:100%}
.scene3d{position:relative;width:100%;aspect-ratio:16/7;border-radius:12px;border:1px solid var(--line);margin:6px 0 18px;overflow:hidden;
  background:radial-gradient(ellipse at 50% 60%,rgba(79,209,197,.10),transparent 60%),linear-gradient(180deg,rgba(255,255,255,.02),rgba(0,0,0,.18))}
.scene3d::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:28px 28px;
  mask-image:radial-gradient(ellipse at center,#000 40%,transparent 90%);-webkit-mask-image:radial-gradient(ellipse at center,#000 40%,transparent 90%)}
.scene-label{position:absolute;left:10px;bottom:8px;padding:3px 7px;border-radius:5px;background:rgba(7,11,20,.6);font-family:var(--mono);font-size:.66rem;letter-spacing:.08em;text-transform:uppercase;color:var(--dim)}
.scene-label b{color:var(--teal);font-weight:500}
.card:hover .scene3d{border-color:rgba(79,209,197,.45)}

/* ---------- nav ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px clamp(20px,5vw,48px);transition:background .3s,border-color .3s,backdrop-filter .3s;border-bottom:1px solid transparent}
.nav.scrolled{background:rgba(7,11,20,.7);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-color:var(--line)}
.logo{display:flex;align-items:center;gap:8px;font-family:var(--mono);font-weight:500;font-size:.9rem;letter-spacing:.02em}
.logo-dot{width:9px;height:9px;border-radius:50%;background:var(--teal);box-shadow:0 0 12px var(--teal)}
.logo-slash{color:var(--dim);margin:0 2px}
.nav-links{display:flex;gap:28px;font-size:.9rem;color:var(--muted)}
.nav-links a{position:relative;transition:color .2s}
.nav-links a:hover{color:var(--text)}
.nav-links a::after{content:"";position:absolute;left:0;right:100%;bottom:-4px;height:1px;background:var(--teal);transition:right .3s var(--ease)}
.nav-links a:hover::after{right:0}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:999px;font-weight:500;font-size:.92rem;border:1px solid var(--line2);
  transition:transform .25s var(--ease),background .25s,border-color .25s,box-shadow .25s;white-space:nowrap}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--teal);color:#04201f;border-color:var(--teal);box-shadow:0 8px 30px -10px rgba(79,209,197,.6)}
.btn-primary:hover{box-shadow:0 14px 36px -10px rgba(79,209,197,.8)}
.btn-ghost{background:rgba(255,255,255,.03);color:var(--text)}
.btn-ghost:hover{border-color:var(--teal);background:rgba(79,209,197,.08)}
.btn-sm{padding:8px 14px;font-size:.82rem}

/* ---------- pipeline rail ---------- */
.rail{position:fixed;left:28px;top:50%;transform:translateY(-50%);z-index:40;display:flex;flex-direction:column;gap:38px;padding:8px 0}
.rail-line{position:absolute;left:5px;top:12px;bottom:12px;width:2px;background:var(--line);border-radius:2px;overflow:hidden}
.rail-fill{width:100%;height:0;background:linear-gradient(var(--teal),var(--violet));transition:height .2s linear}
.rail-stop{position:relative;display:flex;align-items:center;gap:14px;color:var(--dim);font-family:var(--mono);font-size:.7rem;letter-spacing:.04em}
.rail-stop span{width:12px;height:12px;border-radius:50%;background:var(--bg);border:2px solid var(--line2);transition:all .3s}
.rail-stop em{font-style:normal;opacity:0;transform:translateX(-6px);transition:all .3s}
.rail-stop:hover em,.rail-stop.active em{opacity:1;transform:none}
.rail-stop.active{color:var(--teal)}
.rail-stop.active span{border-color:var(--teal);background:var(--teal);box-shadow:0 0 0 4px rgba(79,209,197,.2),0 0 14px var(--teal)}
.rail-stop.done span{border-color:var(--teal);background:var(--bg)}

/* ---------- hero ---------- */
.hero{position:relative;min-height:100svh;max-width:var(--maxw);margin:0 auto;padding:120px clamp(20px,5vw,48px) 60px;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);align-items:center;gap:32px}
.hero>*{min-width:0}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--teal);margin:0 0 22px}
.pulse{width:8px;height:8px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 0 rgba(79,209,197,.6);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(79,209,197,.6)}70%{box-shadow:0 0 0 10px rgba(79,209,197,0)}100%{box-shadow:0 0 0 0 rgba(79,209,197,0)}}
h1{font-size:clamp(2.6rem,6.2vw,4.9rem);line-height:.98;font-weight:700;
  background:linear-gradient(180deg,#fff 0%,#c9d5e0 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.lede{font-family:var(--disp);font-size:clamp(1.2rem,2.1vw,1.55rem);line-height:1.3;margin:26px 0 16px;color:var(--text);font-weight:500}
.hl{color:var(--teal);position:relative}
.hl::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;background:linear-gradient(90deg,var(--teal),transparent)}
.sub{color:var(--muted);max-width:min(52ch,100%);margin:0 0 30px;font-size:1.02rem}
.cta{display:flex;gap:12px;flex-wrap:wrap}
.hero-meta{display:flex;gap:22px;flex-wrap:wrap;margin-top:36px;font-size:.82rem;color:var(--muted)}
.hero-meta b{color:var(--dim);font-weight:500;font-family:var(--mono);font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;margin-right:6px}

.hero-globe{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center}
.globe-wrap{position:relative;width:100%;max-width:560px;aspect-ratio:1;user-select:none}
#globe{position:absolute;inset:0;width:100%!important;height:100%!important;display:block}
.globe-labels{position:absolute;inset:0;pointer-events:none}
.glabel{position:absolute;transform:translate(-50%,-140%);font-family:var(--mono);font-size:.7rem;letter-spacing:.05em;white-space:nowrap;
  color:var(--text);opacity:0;transition:opacity .25s;display:flex;flex-direction:column;align-items:center;gap:2px}
.glabel small{color:var(--dim);font-size:.6rem;letter-spacing:.1em;text-transform:uppercase}
.glabel.show{opacity:1}
.glabel.below{transform:translate(-50%,45%);flex-direction:column-reverse}
.glabel .tag{padding:2px 8px;border-radius:999px;background:rgba(7,11,20,.7);border:1px solid var(--line2);backdrop-filter:blur(6px)}
.glabel.origin .tag{border-color:rgba(245,177,76,.6)}
.glabel.base .tag{border-color:rgba(79,209,197,.7)}
.glabel.cell .tag{border-color:rgba(139,124,246,.7)}
.globe-legend{display:flex;gap:18px;margin-top:-8px;font-family:var(--mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--dim)}
.lg{display:inline-flex;align-items:center;gap:7px}
.lg::before{content:"";width:8px;height:8px;border-radius:50%}
.lg-origin::before{background:var(--amber);box-shadow:0 0 10px var(--amber)}
.lg-base::before{background:var(--teal);box-shadow:0 0 10px var(--teal)}
.lg-cell::before{background:var(--violet);box-shadow:0 0 10px var(--violet)}

.scroll-hint{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);width:22px;height:36px;border:1.5px solid var(--line2);border-radius:12px;opacity:.7}
.scroll-hint span{position:absolute;left:50%;top:6px;width:3px;height:7px;margin-left:-1.5px;border-radius:2px;background:var(--teal);animation:wheel 1.8s infinite}
@keyframes wheel{0%{transform:translateY(0);opacity:1}80%{transform:translateY(14px);opacity:0}100%{opacity:0}}

/* ---------- stats ---------- */
.stats{max-width:var(--maxw);margin:0 auto;padding:0 clamp(20px,5vw,48px);display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stat{padding:28px 18px;border-left:1px solid var(--line);display:flex;flex-direction:column;gap:4px}
.stat:first-child{border-left:0}
.stat b{font-family:var(--disp);font-size:clamp(1.8rem,3vw,2.5rem);font-weight:600;letter-spacing:-.03em;color:var(--text);line-height:1}
.stat span{font-size:.8rem;color:var(--muted)}

/* ---------- now card ---------- */
.now{padding-top:72px}
.now-card{position:relative;padding:32px 36px;border-radius:var(--r);background:linear-gradient(180deg,rgba(16,22,38,.86),rgba(9,14,26,.92));backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid var(--line);overflow:hidden}
.now-card::before{content:"";position:absolute;inset:-1px;border-radius:inherit;padding:1px;
  background:linear-gradient(120deg,rgba(79,209,197,.5),transparent 40%,transparent 60%,rgba(139,124,246,.4));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.now-head{display:flex;align-items:center;gap:14px;margin-bottom:18px;color:var(--muted)}
.now-head b{color:var(--green);font-weight:500}
.status-dot{width:9px;height:9px;border-radius:50%;background:var(--green);box-shadow:0 0 12px var(--green);animation:blink 2.4s infinite}
@keyframes blink{50%{opacity:.4}}
.now-card h2{font-size:1.6rem;margin-bottom:10px}
.now-card p{color:var(--muted);max-width:78ch;margin:0 0 18px}
.now-list{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(2,1fr);gap:8px 24px;color:var(--text)}
.now-list i{font-style:normal;color:var(--teal);margin-right:10px}
.now-list li:last-child i{color:var(--amber)}

/* ---------- sections ---------- */
.section{padding-top:120px}
.section-head{margin-bottom:48px;max-width:62ch}
.kicker{color:var(--teal);letter-spacing:.14em;text-transform:uppercase;font-size:.72rem}
.section-head h2{font-size:clamp(2rem,4vw,3rem);margin:10px 0 12px;font-weight:600}
.section-head p{color:var(--muted);margin:0;font-size:1.05rem}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chips span{font-family:var(--mono);font-size:.7rem;padding:4px 10px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--muted);letter-spacing:.02em;transition:border-color .2s,color .2s}
.chips span:hover{border-color:var(--teal);color:var(--text)}

/* ---------- timeline ---------- */
.timeline{list-style:none;margin:0;padding:0;position:relative}
.timeline::before{content:"";position:absolute;left:191px;top:8px;bottom:8px;width:1px;background:linear-gradient(var(--teal),var(--line) 30%,var(--line))}
.tl{display:grid;grid-template-columns:170px 44px minmax(0,1fr);gap:0;padding-bottom:44px;position:relative}
.tl-when{grid-column:1;grid-row:1;color:var(--dim);padding-top:6px;text-align:right;font-size:.75rem;letter-spacing:.03em}
.tl-node{grid-column:2;grid-row:1;width:11px;height:11px;border-radius:50%;background:var(--bg);border:2px solid var(--line2);margin:9px auto 0;position:relative;z-index:1}
.tl-live{border-color:var(--teal);background:var(--teal);box-shadow:0 0 0 5px rgba(79,209,197,.15),0 0 16px var(--teal)}
.tl-body{grid-column:3;grid-row:1;display:grid;grid-template-columns:minmax(0,1fr) 150px;gap:8px 22px;align-items:start;padding:22px 26px;border-radius:var(--r);border:1px solid var(--line);background:linear-gradient(180deg,rgba(16,22,38,.86),rgba(9,14,26,.92));backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);transition:border-color .3s,transform .3s var(--ease)}
.tl:hover .tl-body{border-color:var(--line2);transform:translateX(4px)}
.tl-org{font-family:var(--disp);font-weight:600;font-size:1.25rem}
.tl-org span{font-family:var(--sans);font-weight:400;font-size:.85rem;color:var(--dim);margin-left:10px}
.tl-role{margin-top:14px;font-weight:500;color:var(--teal);display:flex;gap:10px;flex-wrap:wrap;align-items:baseline}
.tl-role em{font-style:normal;color:var(--muted);font-weight:400}
.tl-role .mono{color:var(--dim);font-size:.72rem}
.tl-body ul{margin:8px 0 6px;padding-left:18px;color:var(--muted);font-size:.95rem}
.tl-body li{margin-bottom:4px}
.tl-body li::marker{color:var(--teal-dim)}
.tl-body .chips{margin-top:14px}

.tl-main{min-width:0}
.tl-scene{aspect-ratio:1;margin:0;border-radius:14px}
.tl-scene .scene-label{left:8px;right:8px;bottom:8px;text-align:center;font-size:.6rem}
.tl:hover .tl-scene{border-color:rgba(139,124,246,.5)}

/* ---------- project cards ---------- */
.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.card{position:relative;padding:28px;border-radius:20px;border:1px solid var(--line);background:linear-gradient(180deg,rgba(16,22,38,.86),rgba(9,14,26,.92));backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  transform-style:preserve-3d;transition:transform .15s ease-out,border-color .3s;will-change:transform;overflow:hidden}
.card:hover{border-color:var(--line2)}
.card-glow{position:absolute;width:320px;height:320px;border-radius:50%;pointer-events:none;left:var(--mx,50%);top:var(--my,50%);transform:translate(-50%,-50%);
  background:radial-gradient(circle,rgba(79,209,197,.16),transparent 65%);opacity:0;transition:opacity .3s}
.card:hover .card-glow{opacity:1}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;color:var(--dim);font-size:.68rem;letter-spacing:.06em;text-transform:uppercase;margin-bottom:14px}
.card-tags span+span::before{content:"·";margin-right:8px;color:var(--line2)}
.card h3{font-size:1.6rem;font-weight:600}
.card h3 small{font-family:var(--sans);font-weight:400;color:var(--dim);font-size:.85rem;margin-left:8px}
.card-sum{color:var(--muted);margin:10px 0 18px;font-size:.98rem}
.diagram{display:block;width:100%;height:auto;margin:6px 0 18px;color:var(--teal);--wire:rgba(255,255,255,.14)}
.diagram .node rect{fill:rgba(255,255,255,.04);stroke:var(--line2);stroke-width:1}
.diagram .node text{fill:var(--text);font-family:var(--mono);font-size:9px;text-anchor:middle;font-weight:500}
.diagram .node .t2{fill:var(--dim);font-size:7px;font-weight:400}
.diagram .node.acc rect{stroke:rgba(79,209,197,.6);fill:rgba(79,209,197,.07)}
.diagram .node.dark rect{fill:rgba(79,209,197,.14);stroke:var(--teal)}
.diagram .node.ai rect{stroke:rgba(245,177,76,.6);fill:rgba(245,177,76,.08)}
.diagram .node.ai text{fill:var(--amber);font-size:7px}
.diagram .lbl{text-anchor:start}
.diagram .wire{fill:none;stroke:var(--wire);stroke-width:1.2}
.diagram .flow{fill:none;stroke:var(--teal);stroke-width:1.6;stroke-linecap:round;stroke-dasharray:6 90;stroke-dashoffset:96;opacity:0;transition:opacity .4s}
.card:hover .diagram .flow,.card.in-view .diagram .flow{opacity:1;animation:flow 1.8s linear infinite}
.card:hover .diagram .flow{animation-duration:.9s}
@keyframes flow{to{stroke-dashoffset:0}}
.diagram .wave path{fill:none;stroke:rgba(79,209,197,.35);stroke-width:1.2;stroke-dasharray:200 400;animation:wave 3s linear infinite}
@keyframes wave{to{stroke-dashoffset:-600}}
.card-list{margin:0 0 18px;padding-left:18px;color:var(--muted);font-size:.93rem}
.card-list li{margin-bottom:6px}
.card-list li::marker{color:var(--teal-dim)}
.card-list b{color:var(--text);font-weight:500}
.card-link{display:inline-block;margin-top:16px;font-family:var(--mono);font-size:.78rem;color:var(--teal);border-bottom:1px solid transparent;transition:border-color .2s}
.card-link:hover{border-color:var(--teal)}
.also{margin-top:40px;padding:22px 26px;border-radius:var(--r);border:1px dashed var(--line2);background:linear-gradient(180deg,rgba(16,22,38,.86),rgba(9,14,26,.92));backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);color:var(--muted);font-size:.95rem}
.also .kicker{margin-right:10px}
.also b{color:var(--text);font-weight:500}

/* ---------- terminal ---------- */
.term{border-radius:14px;border:1px solid var(--line2);background:rgba(5,8,16,.93);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:0 30px 80px -30px rgba(0,0,0,.8),0 0 0 1px rgba(79,209,197,.08);overflow:hidden}
.term-bar{display:flex;align-items:center;gap:8px;padding:12px 16px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.02)}
.term-bar span{width:11px;height:11px;border-radius:50%;background:#2c3440}
.term-bar span:nth-child(1){background:#ff5f57}.term-bar span:nth-child(2){background:#febc2e}.term-bar span:nth-child(3){background:#28c840}
.term-bar em{margin-left:auto;margin-right:auto;font-style:normal;color:var(--dim);font-size:.72rem}
.term-body{margin:0;padding:22px 24px;min-height:420px;max-height:520px;overflow:auto;font-size:.8rem;line-height:1.55;color:#c3cdd8;white-space:pre}
.term-body .c-cmd{color:#fff}.term-body .c-prompt{color:var(--teal)}
.term-body .c-add{color:var(--green)}.term-body .c-cmt{color:var(--dim)}.term-body .c-key{color:#c3cdd8}.term-body .c-str{color:var(--amber)}
.term-body .c-res{color:var(--violet)}.term-body .c-plan{color:#fff;font-weight:500}
.term-body .cursor{display:inline-block;width:8px;height:1em;background:var(--teal);vertical-align:-2px;animation:blink 1s steps(1) infinite}
.skill-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-top:28px}
.skill-col h4{font-family:var(--mono);font-weight:500;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--dim);margin:0 0 10px}

/* ---------- contact ---------- */
.contact-card{position:relative;text-align:center;padding:72px 32px;border-radius:24px;border:1px solid var(--line);overflow:hidden;
  background:radial-gradient(ellipse at 50% 120%,rgba(79,209,197,.22),transparent 60%),linear-gradient(180deg,rgba(16,22,38,.86),rgba(9,14,26,.92));backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.contact-card h2{font-size:clamp(1.9rem,4vw,3rem);margin:12px auto 14px;max-width:18ch;font-weight:600}
.contact-card p{color:var(--muted);max-width:52ch;margin:0 auto 30px}
.contact-links{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

.footer{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:48px clamp(20px,5vw,48px) 36px;font-size:.72rem}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:perspective(900px) rotateX(9deg) translateY(28px);transform-origin:50% 100%;transition:opacity .9s var(--ease),transform .9s var(--ease)}
.card.reveal{transform:perspective(1200px) rotateY(-7deg) rotateX(4deg) translateY(30px);transform-origin:0 50%}
.tl.reveal{transform:perspective(1000px) rotateX(-8deg) translateX(-24px);transform-origin:0 0}
.reveal.in{opacity:1;transform:none}
.card.reveal.in,.tl.reveal.in{transform:none}
.hero .reveal:nth-child(1){transition-delay:.05s}.hero .reveal:nth-child(2){transition-delay:.15s}.hero .reveal:nth-child(3){transition-delay:.25s}
.hero .reveal:nth-child(4){transition-delay:.35s}.hero .reveal:nth-child(5){transition-delay:.45s}.hero .reveal:nth-child(6){transition-delay:.55s}
.stats .reveal:nth-child(2){transition-delay:.08s}.stats .reveal:nth-child(3){transition-delay:.16s}.stats .reveal:nth-child(4){transition-delay:.24s}.stats .reveal:nth-child(5){transition-delay:.32s}

/* ---------- responsive ---------- */
@media (max-width:1100px){.rail{display:none}}
@media (max-width:960px){
  .hero{grid-template-columns:minmax(0,1fr);padding-top:110px;gap:0}
  .hero-globe{order:-1;margin:0 auto 8px}
  .globe-wrap{max-width:min(78vw,420px)}
  .globe-legend{margin-top:6px}
  .stats{grid-template-columns:repeat(3,1fr)}
  .stat:nth-child(4){border-left:0}
  .stat{border-top:1px solid var(--line)}.stat:nth-child(-n+3){border-top:0}
  .cards{grid-template-columns:1fr}
  .skill-grid{grid-template-columns:repeat(2,1fr)}
  .tl{grid-template-columns:1fr}
  .tl-when{grid-column:1;grid-row:1}.tl-body{grid-column:1;grid-row:2;grid-template-columns:minmax(0,1fr) 110px}
  .timeline::before{display:none}
  .tl-when{text-align:left;padding:0 0 8px}
  .tl-node{display:none}
}
@media (max-width:640px){
  .nav-links{display:none}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat{border-left:0;border-top:1px solid var(--line)}.stat:nth-child(-n+2){border-top:0}.stat:nth-child(even){border-left:1px solid var(--line)}
  .now-list{grid-template-columns:1fr}
  .skill-grid{grid-template-columns:1fr}
  .now-card,.tl-body,.card{padding:22px}
  .tl-body{grid-template-columns:1fr}.tl-scene{width:120px;aspect-ratio:1;order:-1}
  .term-body{font-size:.7rem;padding:16px;min-height:300px}
  .contact-card{padding:52px 20px}
  .hero-meta{gap:12px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}