/* ============================================================
   Yash Modi — portfolio
   Aesthetic: "Control Room" — dark instrument panel, signal
   orange for action, acid lime reserved strictly for data.
   ============================================================ */

:root{
  --bg:#0B0C0E;
  --bg-2:#101216;
  --surface:#15181D;
  --surface-2:#1B1F26;
  --line:#252A33;
  --line-hi:#39404C;

  --ink:#EDECE8;
  --ink-2:#A8ADB6;
  --ink-3:#6E747E;

  --signal:#FF6A1F;      /* interactive / brand */
  --signal-soft:#FF8A4C;
  --data:#C8F751;        /* numbers only */

  --font:"Instrument Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --display:"Bricolage Grotesque",var(--font);
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;

  --wrap:1180px;
  --r:14px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font);
  font-size:17px;
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  /* graph-paper grid, very faint */
  background-image:
    linear-gradient(to right, rgba(255,255,255,.022) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.022) 1px, transparent 1px);
  background-size:64px 64px;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3{font-family:var(--display);font-weight:800;letter-spacing:-.03em;line-height:1.03;margin:0;}
p{margin:0;}
:focus-visible{outline:2px solid var(--signal);outline-offset:3px;border-radius:4px;}
::selection{background:var(--signal);color:#0B0C0E;}

.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:26px;}

/* film grain over everything */
.grain{
  position:fixed;inset:0;z-index:100;pointer-events:none;opacity:.42;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");
}

/* ---------------- nav ---------------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:60;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:16px max(26px,calc((100vw - var(--wrap))/2 + 26px));
  transition:background .3s ease, border-color .3s ease, padding .3s ease;
  border-bottom:1px solid transparent;
}
.nav.stuck{
  background:rgba(11,12,14,.78);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border-bottom-color:var(--line);
  padding-top:11px;padding-bottom:11px;
}
.mark{
  font-family:var(--mono);font-size:12.5px;font-weight:700;letter-spacing:.16em;
  display:flex;align-items:center;gap:9px;
}
.mark .dot{width:8px;height:8px;border-radius:50%;background:var(--signal);box-shadow:0 0 12px var(--signal);}
.navlinks{display:flex;gap:30px;}
.navlinks a{
  font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--ink-2);position:relative;padding-block:4px;transition:color .2s;
}
.navlinks a::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--signal);transition:width .28s cubic-bezier(.2,.8,.2,1);
}
.navlinks a:hover{color:var(--ink);}
.navlinks a:hover::after{width:100%;}

/* ---------------- buttons ---------------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  background:var(--signal);color:#0B0C0E;
  font-family:var(--mono);font-size:13px;font-weight:700;letter-spacing:.04em;
  padding:15px 26px;border-radius:100px;
  border:1px solid var(--signal);
  transition:transform .2s cubic-bezier(.2,.8,.2,1), box-shadow .25s, background .2s;
  box-shadow:0 0 0 rgba(255,106,31,0);
}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 34px -8px rgba(255,106,31,.55);background:var(--signal-soft);}
.btn:active{transform:translateY(0);}
.btn-sm{padding:10px 18px;font-size:12px;}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line-hi);}
.btn-ghost:hover{background:rgba(255,255,255,.05);border-color:var(--ink-3);box-shadow:none;}

/* ---------------- hero ---------------- */
.hero{position:relative;padding-top:180px;padding-bottom:0;overflow:hidden;}
.hero-glow{
  position:absolute;top:-340px;left:50%;transform:translateX(-58%);
  width:1300px;height:900px;pointer-events:none;
  background:radial-gradient(ellipse at center, rgba(255,106,31,.17), rgba(255,106,31,.05) 42%, transparent 68%);
  filter:blur(30px);
  animation:drift 22s ease-in-out infinite alternate;
}
@keyframes drift{
  from{transform:translateX(-62%) translateY(0) scale(1);}
  to{transform:translateX(-52%) translateY(46px) scale(1.09);}
}
.hero-inner{position:relative;z-index:2;padding-bottom:78px;}

.eyebrow{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  font-family:var(--mono);font-size:12px;letter-spacing:.09em;text-transform:uppercase;
  color:var(--ink-3);margin-bottom:34px;
}
.eyebrow .sep{color:var(--line-hi);}
.live{display:inline-flex;align-items:center;gap:8px;color:var(--data);}
.live i{
  width:7px;height:7px;border-radius:50%;background:var(--data);
  box-shadow:0 0 0 0 rgba(200,247,81,.7);animation:pulse 2.4s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(200,247,81,.6);}
  70%{box-shadow:0 0 0 11px rgba(200,247,81,0);}
  100%{box-shadow:0 0 0 0 rgba(200,247,81,0);}
}

.hero h1{
  font-size:clamp(2.9rem,8vw,6.4rem);
  letter-spacing:-.045em;
  margin-bottom:32px;
}
.hero h1 em{
  font-style:normal;
  color:transparent;
  background:linear-gradient(100deg,var(--signal) 12%,var(--signal-soft) 55%,#FFC08A 92%);
  -webkit-background-clip:text;background-clip:text;
}
.lede{font-size:clamp(1.02rem,1.6vw,1.2rem);color:var(--ink-2);max-width:60ch;}
.hero .lede{margin-bottom:42px;}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:76px;}

.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin:0;
  background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
}
.stats > div{background:var(--bg-2);padding:24px 22px 20px;}
.stats dt{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.11em;text-transform:uppercase;
  color:var(--ink-3);margin-bottom:12px;line-height:1.4;
}
.stats dd{
  margin:0;font-family:var(--mono);font-weight:700;font-variant-numeric:tabular-nums;
  font-size:clamp(2rem,3.4vw,2.9rem);line-height:1;color:var(--data);letter-spacing:-.03em;
}
.stats dd span{color:var(--ink-3);font-size:.55em;vertical-align:super;}

/* ---------------- ticker ---------------- */
.ticker{
  border-block:1px solid var(--line);
  background:var(--bg-2);
  overflow:hidden;padding:15px 0;position:relative;
}
.ticker::before,.ticker::after{
  content:"";position:absolute;top:0;bottom:0;width:130px;z-index:2;pointer-events:none;
}
.ticker::before{left:0;background:linear-gradient(90deg,var(--bg-2),transparent);}
.ticker::after{right:0;background:linear-gradient(270deg,var(--bg-2),transparent);}
.ticker-track{
  display:flex;align-items:center;gap:22px;width:max-content;
  animation:scroll 42s linear infinite;
}
.ticker-track span{
  font-family:var(--mono);font-size:12.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-2);white-space:nowrap;
}
.ticker-track i{color:var(--signal);font-size:8px;font-style:normal;}
@keyframes scroll{from{transform:translateX(0);}to{transform:translateX(-50%);}}

/* ---------------- sections ---------------- */
.sec{padding:118px 0;position:relative;}
.sec.alt{background:var(--bg-2);border-block:1px solid var(--line);}
.sechead{max-width:720px;margin-bottom:64px;}
.num{
  display:block;font-family:var(--mono);font-size:11.5px;letter-spacing:.2em;
  color:var(--signal);margin-bottom:20px;
}
.sechead h2{font-size:clamp(2rem,4.6vw,3.4rem);margin-bottom:20px;}
.sechead p{color:var(--ink-2);font-size:1.05rem;max-width:56ch;}

/* ---------------- work grid ---------------- */
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r);
  padding:30px 30px 26px;
  display:flex;flex-direction:column;
  position:relative;overflow:hidden;
  transition:border-color .3s, transform .3s cubic-bezier(.2,.8,.2,1), background .3s;
}
.card::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:0;transition:opacity .35s;
  background:radial-gradient(600px circle at var(--mx,50%) var(--my,0%), rgba(255,106,31,.09), transparent 42%);
}
.card:hover{border-color:var(--line-hi);transform:translateY(-4px);background:var(--surface-2);}
.card:hover::before{opacity:1;}
.card.feat{grid-column:1 / -1;}
.card.muted{background:transparent;border-style:dashed;}

.card-top{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:22px;}
.tag{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.11em;text-transform:uppercase;color:var(--ink-3);
}
.stamp{
  font-family:var(--mono);font-size:10px;font-weight:700;letter-spacing:.14em;
  color:var(--data);border:1px solid rgba(200,247,81,.32);
  padding:3px 9px;border-radius:4px;background:rgba(200,247,81,.07);
}
.card h3{font-size:clamp(1.4rem,2.3vw,1.95rem);margin-bottom:14px;}
.card.feat h3{font-size:clamp(1.8rem,3.4vw,2.7rem);}
.card > p{color:var(--ink-2);font-size:.985rem;margin-bottom:22px;}
.card.feat > p{max-width:66ch;font-size:1.04rem;}

.chips{list-style:none;display:flex;flex-wrap:wrap;gap:7px;padding:0;margin:0 0 26px;}
.chips li{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.06em;color:var(--ink-2);
  border:1px solid var(--line);border-radius:100px;padding:5px 12px;background:rgba(255,255,255,.02);
}
.visit{
  margin-top:auto;font-family:var(--mono);font-size:12.5px;letter-spacing:.03em;
  color:var(--signal);display:inline-flex;align-items:center;gap:7px;
  border-top:1px solid var(--line);padding-top:18px;transition:gap .22s, color .22s;
  word-break:break-all;
}
.card:hover .visit{gap:12px;color:var(--signal-soft);}
.visit.dis{color:var(--ink-3);}
.card:hover .visit.dis{color:var(--ink-3);gap:7px;}

/* ---------------- services ---------------- */
.svc{border-top:1px solid var(--line);}
.svc-row{
  display:grid;grid-template-columns:56px 1fr 220px;gap:30px;align-items:start;
  padding:34px 6px;border-bottom:1px solid var(--line);
  transition:background .3s, padding-left .3s;
}
.svc-row:hover{background:rgba(255,255,255,.022);padding-left:18px;}
.svc-n{font-family:var(--mono);font-size:12px;color:var(--signal);padding-top:7px;letter-spacing:.1em;}
.svc-b h3{font-size:clamp(1.25rem,2vw,1.6rem);margin-bottom:11px;}
.svc-b p{color:var(--ink-2);font-size:.985rem;max-width:62ch;}
.svc-t{display:flex;flex-direction:column;gap:7px;padding-top:6px;}
.svc-t span{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.09em;text-transform:uppercase;
  color:var(--ink-3);text-align:right;
}

/* ---------------- timeline ---------------- */
.tl{list-style:none;padding:0;margin:0;position:relative;}
.tl::before{content:"";position:absolute;left:7px;top:12px;bottom:12px;width:1px;background:var(--line);}
.tl li{position:relative;padding-left:44px;padding-bottom:44px;}
.tl li:last-child{padding-bottom:0;}
.tl li::before{
  content:"";position:absolute;left:0;top:9px;width:15px;height:15px;border-radius:50%;
  background:var(--bg);border:2px solid var(--signal);
}
.tl li.edu::before{border-color:var(--line-hi);}
.tl-when{
  font-family:var(--mono);font-size:11.5px;letter-spacing:.09em;text-transform:uppercase;
  color:var(--ink-3);margin-bottom:9px;
}
.tl-what h3{font-size:1.24rem;margin-bottom:9px;letter-spacing:-.02em;}
.tl-what h3 span{font-family:var(--font);font-weight:500;color:var(--signal);font-size:.94rem;letter-spacing:0;}
.tl-what p{color:var(--ink-2);font-size:.975rem;max-width:64ch;}

/* ---------------- contact ---------------- */
.contact{
  border-top:1px solid var(--line);
  background:
    radial-gradient(900px 420px at 20% 0%, rgba(255,106,31,.11), transparent 62%),
    var(--bg-2);
}
.contact-in{max-width:820px;}
.contact h2{font-size:clamp(2.1rem,5vw,3.7rem);margin-bottom:22px;}
.contact .lede{margin-bottom:44px;}
.ways{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:30px;}
.way{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:22px 22px 20px;display:flex;flex-direction:column;gap:9px;
  transition:border-color .25s, transform .25s cubic-bezier(.2,.8,.2,1), background .25s;
}
.way:hover{border-color:var(--signal);transform:translateY(-3px);background:var(--surface-2);}
.way-k{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);}
.way-v{font-family:var(--mono);font-size:13.5px;color:var(--ink);word-break:break-all;}
.way:hover .way-v{color:var(--signal);}
.fine{font-size:.9rem;color:var(--ink-3);}

/* ---------------- footer ---------------- */
.foot{border-top:1px solid var(--line);padding:30px 0;}
.foot-in{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-family:var(--mono);font-size:11.5px;letter-spacing:.07em;color:var(--ink-3);
}
.foot-in a:hover{color:var(--signal);}
.foot-mid{text-transform:uppercase;}

/* ---------------- reveal on load ---------------- */
.reveal{opacity:0;transform:translateY(22px);animation:rise .82s cubic-bezier(.2,.8,.2,1) forwards;animation-delay:var(--d,0ms);}
@keyframes rise{to{opacity:1;transform:none;}}

/* scroll reveal for sections */
.io{opacity:0;transform:translateY(26px);transition:opacity .75s cubic-bezier(.2,.8,.2,1), transform .75s cubic-bezier(.2,.8,.2,1);}
.io.in{opacity:1;transform:none;}

/* ---------------- responsive ---------------- */
@media (max-width:960px){
  .grid{grid-template-columns:1fr;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .svc-row{grid-template-columns:40px 1fr;gap:18px;}
  .svc-t{flex-direction:row;flex-wrap:wrap;grid-column:2;padding-top:14px;}
  .svc-t span{text-align:left;}
  .ways{grid-template-columns:1fr;}
  .navlinks{display:none;}
}
@media (max-width:640px){
  body{font-size:16px;}
  .hero{padding-top:132px;}
  .sec{padding:78px 0;}
  .wrap{padding-inline:20px;}
  .card{padding:24px 22px 22px;}
  .foot-in{justify-content:center;text-align:center;}
  .foot-mid{display:none;}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important;}
  .reveal,.io{opacity:1;transform:none;}
}