/* ============================================================
   Satish Mallya — portfolio  ·  dark / warm-amber maker theme
   ============================================================ */
:root{
  --bg:#0b0d10; --bg2:#0f1216; --panel:#151a21; --panel2:#1a2029;
  --line:rgba(255,255,255,.08); --line2:rgba(255,255,255,.14);
  --text:#e9ecf1; --muted:#9aa4b2; --dim:#6c7683;
  --amber:#f0a63c; --amber2:#ffcf7a; --steel:#6ea0ff;
  --maxw:1200px; --pad:clamp(20px,5vw,48px);
  --r:14px; --r-sm:10px;
  --font-body:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --font-disp:'Space Grotesk','Inter',system-ui,sans-serif;
  --font-mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{overflow-x:hidden}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-body);line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:var(--font-disp);line-height:1.08;margin:0;font-weight:700;letter-spacing:-.02em}
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--pad)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ---------- nav ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;transition:background .3s,backdrop-filter .3s,border-color .3s;border-bottom:1px solid transparent}
.nav.scrolled{background:rgba(9,11,14,.72);backdrop-filter:blur(14px) saturate(1.2);border-bottom-color:var(--line)}
.nav__inner{display:flex;align-items:center;justify-content:space-between;height:66px;width:100%;min-width:0}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-disp);font-weight:700;letter-spacing:-.01em}
.brand__mark{display:grid;place-items:center;width:34px;height:34px;border-radius:9px;background:linear-gradient(150deg,var(--amber),#c9781f);color:#1a1206;font-size:15px;font-weight:700}
.brand__name{font-size:16px}
.nav__links{display:flex;align-items:center;gap:26px}
.nav__links a{font-size:14.5px;color:var(--muted);transition:color .2s;font-weight:500}
.nav__links a:hover{color:var(--text)}
.nav__cta{padding:8px 16px;border-radius:999px;background:rgba(240,166,60,.12);border:1px solid rgba(240,166,60,.35);color:var(--amber2)!important}
.nav__cta:hover{background:rgba(240,166,60,.2)}
.nav__toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;padding:8px;cursor:pointer}
.nav__toggle span{width:22px;height:2px;background:var(--text);border-radius:2px;transition:.3s}

/* ---------- hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;padding-top:66px;overflow:hidden}
.hero__bg{position:absolute;inset:0;background-size:cover;background-position:center 40%;transform:scale(1.05);animation:kb 22s ease-in-out infinite alternate}
@keyframes kb{to{transform:scale(1.12)}}
.hero__scrim{position:absolute;inset:0;background:
  linear-gradient(90deg,rgba(8,10,13,.94) 0%,rgba(8,10,13,.72) 42%,rgba(8,10,13,.25) 75%,rgba(8,10,13,.55) 100%),
  linear-gradient(0deg,var(--bg) 2%,transparent 30%)}
.hero__content{position:relative;z-index:2;padding-block:40px}
.eyebrow{font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.28em;font-size:12px;color:var(--amber);margin:0 0 18px}
.hero h1{font-size:clamp(46px,9vw,104px);letter-spacing:-.035em;margin-bottom:18px}
.hero__role{font-family:var(--font-disp);font-weight:500;font-size:clamp(19px,2.6vw,27px);color:#dfe4ea;line-height:1.3;max-width:20ch;margin:0 0 20px}
.hero__sub{max-width:52ch;color:var(--muted);font-size:clamp(15px,1.6vw,17px);margin:0 0 34px}
.hero__actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 26px;border-radius:999px;font-weight:600;font-size:15px;transition:transform .2s,background .2s,border-color .2s,box-shadow .2s;cursor:pointer}
.btn--primary{background:linear-gradient(150deg,var(--amber),#e08a24);color:#1c1305;box-shadow:0 10px 30px -12px rgba(240,166,60,.7)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 16px 38px -12px rgba(240,166,60,.85)}
.btn--ghost{border:1px solid var(--line2);color:var(--text);background:rgba(255,255,255,.03)}
.btn--ghost:hover{transform:translateY(-2px);border-color:var(--amber);color:var(--amber2)}
.hero__scroll{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);z-index:2;width:24px;height:38px;border:1.5px solid var(--line2);border-radius:14px;display:flex;justify-content:center;padding-top:7px}
.hero__scroll span{width:3px;height:8px;background:var(--amber);border-radius:2px;animation:sc 1.6s ease-in-out infinite}
@keyframes sc{0%,100%{transform:translateY(0);opacity:.4}50%{transform:translateY(9px);opacity:1}}

/* ---------- sections ---------- */
.section{padding-block:clamp(72px,10vw,132px)}
.section--alt{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.kicker{font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.26em;font-size:12.5px;color:var(--steel);margin:0 0 14px;display:flex;align-items:center;gap:12px}
.kicker::before{content:"";width:30px;height:1.5px;background:currentColor;opacity:.7}
.kicker--amber{color:var(--amber)}
.section h2{font-size:clamp(30px,4.6vw,52px);letter-spacing:-.03em;margin-bottom:22px;max-width:20ch}
.lead{color:var(--muted);font-size:clamp(16px,1.7vw,18.5px);max-width:64ch;margin:0 0 40px}
.subhead{font-size:20px;letter-spacing:-.01em;margin:0 0 18px;color:#eef1f5;display:flex;align-items:center;gap:10px}
.subhead::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--amber);transform:rotate(45deg)}

/* ---------- about ---------- */
.about__grid{display:grid;grid-template-columns:1.6fr 1fr;gap:40px;align-items:start;margin-bottom:34px}
.about__text p{color:#c7ced8;font-size:16.5px;margin:0 0 16px}
.facts{list-style:none;margin:0;padding:22px;background:var(--panel);border:1px solid var(--line);border-radius:var(--r)}
.facts li{display:flex;flex-direction:column;gap:3px;padding:12px 0;border-bottom:1px solid var(--line)}
.facts li:last-child{border-bottom:0}
.facts span{font-family:var(--font-mono);font-size:11px;text-transform:uppercase;letter-spacing:.16em;color:var(--dim)}
.facts strong{font-weight:600;font-size:15px;color:#e7ebf1}
.chips{display:flex;flex-wrap:wrap;gap:9px}
.chips span{font-family:var(--font-mono);font-size:12.5px;padding:8px 14px;border-radius:999px;background:rgba(255,255,255,.03);border:1px solid var(--line);color:#cdd4de;transition:.2s}
.chips span:hover{border-color:var(--amber);color:var(--amber2);transform:translateY(-1px)}

/* ---------- cards (engineering) ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px;margin-bottom:56px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:24px 22px;transition:.25s;position:relative;overflow:hidden}
.card::after{content:"";position:absolute;left:0;top:0;height:3px;width:0;background:linear-gradient(90deg,var(--amber),transparent);transition:width .3s}
.card:hover{transform:translateY(-4px);border-color:var(--line2);background:var(--panel2)}
.card:hover::after{width:100%}
.card h3{font-size:17.5px;margin-bottom:9px;letter-spacing:-.01em}
.card p{color:var(--muted);font-size:14.5px;margin:0;line-height:1.6}

.two-col{display:grid;grid-template-columns:1fr 1fr;gap:48px}
.timeline{list-style:none;margin:0;padding:0 0 0 22px;border-left:1.5px solid var(--line2)}
.timeline li{position:relative;padding:0 0 26px 18px}
.timeline li::before{content:"";position:absolute;left:-27px;top:4px;width:11px;height:11px;border-radius:50%;background:var(--bg);border:2.5px solid var(--amber)}
.tl__when{font-family:var(--font-mono);font-size:12px;color:var(--dim);letter-spacing:.04em;display:block;margin-bottom:3px}
.timeline strong{display:block;font-size:16px;letter-spacing:-.01em}
.timeline em{font-style:normal;color:var(--muted);font-size:14px}
.edu{list-style:none;margin:0 0 20px;padding:0}
.edu li{padding:14px 0;border-bottom:1px solid var(--line)}
.edu strong{display:block;font-size:16.5px;letter-spacing:-.01em}
.edu em{font-style:normal;color:var(--muted);font-size:14px}
.note{color:var(--dim);font-size:14px;line-height:1.7;border-left:2px solid var(--line2);padding-left:16px;margin:0 0 8px}

/* ---------- atlas flow ---------- */
.flow{display:flex;align-items:stretch;gap:0;margin:8px 0 14px;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:22px}
.flow__node{flex:1;display:flex;flex-direction:column;justify-content:center;text-align:center;padding:6px 10px;border-radius:var(--r-sm)}
.flow__node span{font-family:var(--font-disp);font-weight:600;font-size:15.5px;letter-spacing:-.01em}
.flow__node small{color:var(--dim);font-size:12px;margin-top:4px;line-height:1.35}
.flow__node--owner span,.flow__node--atlas span{color:var(--amber2)}
.flow__arrow{flex:0 0 34px;align-self:center;height:2px;background:linear-gradient(90deg,var(--line2),var(--amber));position:relative}
.flow__arrow::after{content:"";position:absolute;right:-1px;top:-4px;border-left:8px solid var(--amber);border-top:5px solid transparent;border-bottom:5px solid transparent}
.flow__sup{color:var(--muted);font-size:14.5px;margin:0 0 30px;padding:14px 16px;background:rgba(240,166,60,.06);border:1px dashed rgba(240,166,60,.3);border-radius:var(--r-sm)}
.flow__sup strong{color:var(--amber2)}

.feat{list-style:none;margin:0 0 40px;padding:0;display:grid;gap:14px}
.feat li{position:relative;padding-left:30px;color:#c7ced8;font-size:15.5px;line-height:1.6}
.feat li::before{content:"";position:absolute;left:2px;top:9px;width:9px;height:9px;border-radius:2px;background:var(--amber);transform:rotate(45deg)}
.feat b{color:#eef1f5;font-weight:600}

.shots{display:grid;grid-template-columns:1.35fr 1fr;gap:18px}
.shot{margin:0;background:#0a0c0f;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.shot img{width:100%;height:auto;display:block}
.shot figcaption{padding:12px 16px;font-size:13.5px;color:var(--muted);border-top:1px solid var(--line)}

/* ---------- galleries (masonry) ---------- */
.gallery-block{margin-bottom:52px}
.block-note{color:var(--muted);font-size:15px;max-width:60ch;margin:-8px 0 22px}
.gallery{column-count:3;column-gap:14px}
.tile{break-inside:avoid;margin:0 0 14px;position:relative;border-radius:var(--r-sm);overflow:hidden;background:#0a0c0f;border:1px solid var(--line);cursor:pointer;transition:.25s}
.tile:hover{transform:translateY(-3px);border-color:rgba(240,166,60,.5)}
.tile img{width:100%;height:auto;display:block;transition:transform .5s ease}
.tile:hover img{transform:scale(1.04)}
.tile figcaption{position:absolute;left:0;right:0;bottom:0;padding:22px 14px 12px;font-size:13px;color:#eef1f5;background:linear-gradient(0deg,rgba(6,8,10,.9),transparent);opacity:.92}
.gallery--sc{column-count:3}

/* ---------- wall of projects ---------- */
.wall__chips{display:flex;flex-wrap:wrap;gap:9px;margin-top:6px}
.wall__chips span{font-family:var(--font-mono);font-size:12.5px;padding:7px 13px;border-radius:8px;background:rgba(255,255,255,.03);border:1px solid var(--line);color:#c4ccd6;transition:.2s}
.wall__chips span:hover{border-color:var(--steel);color:#dbe6ff;transform:translateY(-1px)}

/* ---------- contact ---------- */
.section--contact{text-align:center;background:radial-gradient(120% 90% at 50% -10%,rgba(240,166,60,.1),transparent 60%),var(--bg)}
.contact .kicker{justify-content:center}
.contact h2{margin-inline:auto;max-width:none}
.contact .lead{margin-inline:auto}
.contact__actions{display:flex;flex-direction:column;align-items:center;gap:18px;margin-top:34px}
.contact__loc{color:var(--dim);font-family:var(--font-mono);font-size:13.5px;letter-spacing:.04em}

/* ---------- footer ---------- */
.foot{border-top:1px solid var(--line);padding-block:26px;background:var(--bg)}
.foot__inner{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;color:var(--dim);font-size:13px;font-family:var(--font-mono)}

/* ---------- lightbox ---------- */
.lightbox{position:fixed;inset:0;z-index:100;background:rgba(5,7,9,.94);backdrop-filter:blur(6px);display:none;align-items:center;justify-content:center;padding:24px}
.lightbox.open{display:flex}
.lb__stage{max-width:min(1100px,92vw);margin:0;text-align:center}
.lb__stage img{max-height:82vh;width:auto;max-width:100%;margin:0 auto;border-radius:8px;box-shadow:0 30px 80px -20px rgba(0,0,0,.8)}
.lb__stage figcaption{color:#cdd4de;font-size:14.5px;margin-top:16px}
.lb__close,.lb__nav{position:absolute;background:rgba(255,255,255,.06);border:1px solid var(--line2);color:#fff;width:48px;height:48px;border-radius:50%;font-size:26px;cursor:pointer;display:grid;place-items:center;transition:.2s;line-height:1}
.lb__close:hover,.lb__nav:hover{background:rgba(240,166,60,.2);border-color:var(--amber)}
.lb__close{top:22px;right:22px;font-size:30px}
.lb__prev{left:22px;top:50%;transform:translateY(-50%)}
.lb__next{right:22px;top:50%;transform:translateY(-50%)}

/* ---------- bench notes grid (index) ---------- */
.bench-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px}
.bench-card{display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.25s}
.bench-card:hover{transform:translateY(-4px);border-color:rgba(240,166,60,.5)}
.bench-card img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block}
.bench-card__body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:6px}
.bench-card__body strong{font-family:var(--font-disp);font-size:16.5px;letter-spacing:-.01em}
.bench-card__body small{color:var(--muted);font-size:13.5px;line-height:1.5}

/* ---------- arcade (atlas) ---------- */
.arcade{display:grid;grid-template-columns:1.35fr 1fr;gap:28px;align-items:center;margin-top:46px;padding-top:40px;border-top:1px solid var(--line)}
.arcade .shot{margin:0}
.arcade__text h3{margin-bottom:12px}
.arcade__text p{color:var(--muted);font-size:15.5px;line-height:1.7;margin:0;max-width:48ch}
.extlink{color:var(--amber2);border-bottom:1px solid rgba(240,166,60,.5)}
.extlink:hover{color:#fff;border-color:#fff}

/* ---------- bench subpages ---------- */
.subnav{position:fixed;top:0;left:0;right:0;z-index:50;background:rgba(9,11,14,.8);backdrop-filter:blur(14px) saturate(1.2);border-bottom:1px solid var(--line)}
.subnav__inner{display:flex;align-items:center;justify-content:space-between;height:60px}
.subnav__links{display:flex;gap:22px}
.subnav a:not(.brand){font-size:14px;color:var(--muted);font-weight:500;transition:color .2s}
.subnav a:not(.brand):hover{color:var(--text)}
.bench-page{padding-top:60px;padding-bottom:clamp(60px,8vw,100px);min-height:90vh}
.bp__title{font-size:clamp(32px,5.4vw,58px);letter-spacing:-.03em;margin-bottom:26px;max-width:24ch}
.bp__hero{margin:0 0 30px;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);background:#0a0c0f}
.bp__hero img{display:block;margin-inline:auto;max-width:100%;height:auto}
.story{max-width:72ch;margin-bottom:44px}
.story p{color:#cdd5df;font-size:16.5px;line-height:1.75;margin:0 0 16px}
.bp__back{display:inline-block;margin-top:8px;color:var(--amber);font-weight:600;font-size:14.5px;border-bottom:1px solid rgba(240,166,60,.4)}
.bp__back:hover{color:var(--amber2)}

/* ---------- responsive ---------- */
@media (max-width:960px){
  .about__grid,.two-col,.shots,.arcade{grid-template-columns:1fr;gap:34px}
  .gallery,.gallery--sc{column-count:2}
}
@media (max-width:720px){
  .nav__links{position:absolute;top:66px;left:0;right:0;flex-direction:column;align-items:flex-start;gap:4px;background:rgba(9,11,14,.97);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);padding:12px var(--pad) 20px;display:none}
  .nav__links.open{display:flex}
  .nav__links a{width:100%;padding:11px 6px;font-size:16px;border-bottom:1px solid var(--line)}
  .nav__cta{margin-top:8px;text-align:center;display:block}
  .nav__toggle{display:flex;position:absolute;top:16px;right:var(--pad);z-index:5}
  .flow{flex-direction:column;padding:16px;gap:0}
  .flow__node{padding:14px 10px;border-bottom:1px dashed var(--line)}
  .flow__arrow{flex-basis:auto;width:2px;height:26px;margin:0 auto;background:linear-gradient(180deg,var(--line2),var(--amber))}
  .flow__arrow::after{right:-4px;top:auto;bottom:-1px;border-left:5px solid transparent;border-right:5px solid transparent;border-top:8px solid var(--amber)}
  .hero h1{letter-spacing:-.03em}
}
@media (max-width:520px){
  .gallery,.gallery--sc{column-count:1}
  .cards{grid-template-columns:1fr}
}