/* ═══════════════════════════════════════════════════════════════
   MOHIT AHIRWAR — SHARED STYLESHEET
   Everything in this file is used by more than one page.
   Page-specific CSS stays inline in that page's <style> block.

   Migration: in each .html file, delete the duplicated blocks
   listed in README.md, then add above the inline <style>:
   <link rel="stylesheet" href="assets/styles.css">
   ═══════════════════════════════════════════════════════════════ */

/* ── DESIGN TOKENS ─────────────────────────────────────────── */
:root{
  /* Neutrals */
  --white:#ffffff;
  --paper:#fafaf8;
  --bone:#f3f2ef;
  --rule:#e4e2dc;
  --rule2:#d0cec7;
  --ink-3:#9b9890;
  --ink-2:#6b6860;
  --ink-1:#2e2c28;
  --ink:#141210;

  /* Brand blue */
  --blue:#1a4ed8;
  --blue-d:#1640b8;
  --blue-l:#6092f8;
  --blue-bg:#eef2fd;
  --blue-bd:#c7d4f8;

  /* Sand (warm) */
  --sand:#f5efe4;
  --sand-l:#fbf6ec;
  --sand-bd:#e6dcc7;
  --sand-ink:#8a7558;
  --sand-ink-d:#5e4f3a;

  /* Sage (cool, organic) */
  --sage:#ecf0eb;
  --sage-l:#f5f7f4;
  --sage-bd:#d6dcd2;
  --sage-ink:#5a7763;
  --sage-ink-d:#3e5645;

  --r:3px;
  --ease:cubic-bezier(0.16, 1, 0.3, 1);
  --ease2:cubic-bezier(0.65, 0, 0.35, 1);
  --max:1200px;
  --pad:48px;
}

/* ── RESET + BASE ──────────────────────────────────────────── */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{
  font-family:'IBM Plex Sans',sans-serif;
  background:var(--white);color:var(--ink);line-height:1.65;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
  animation:pageFadeIn .5s var(--ease) both;
}
@keyframes pageFadeIn{from{opacity:0}to{opacity:1}}
img,svg,video{max-width:100%;display:block}
::selection{background:var(--blue);color:#fff}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:var(--r)}

/* Skip link — keyboard users land here first */
.skip{
  position:absolute;left:-9999px;top:8px;z-index:10000;
  background:var(--blue);color:#fff;padding:10px 16px;border-radius:var(--r);
  font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:1.5px;text-transform:uppercase;
}
.skip:focus{left:8px}

/* ── SHARED PRIMITIVES ─────────────────────────────────────── */
.pb{max-width:var(--max);margin:0 auto;padding:0 var(--pad)}

.mono{
  font-family:'IBM Plex Mono',monospace;font-size:10px;
  letter-spacing:2px;text-transform:uppercase;color:var(--ink-3);font-weight:500;
}
.mono--blue{color:var(--blue)}

.s-num{
  font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:2.5px;
  color:var(--blue);font-weight:500;display:flex;align-items:center;gap:10px;margin-bottom:8px;
}
.s-num::before{content:'';width:18px;height:1px;background:var(--blue)}

.s-lbl{
  font-family:'IBM Plex Mono',monospace;font-size:9px;letter-spacing:2px;
  color:var(--ink-3);text-transform:uppercase;
}

/* ── BUTTONS ───────────────────────────────────────────────── */
.btn{
  font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:2px;
  text-transform:uppercase;font-weight:500;padding:13px 22px;border-radius:var(--r);
  text-decoration:none;display:inline-flex;align-items:center;justify-content:center;
  gap:8px;white-space:nowrap;transition:all .2s var(--ease);border:1px solid transparent;
}
.btn--primary{background:var(--blue);color:#fff;border-color:var(--blue)}
.btn--primary:hover{background:var(--blue-d);transform:translateY(-1px);box-shadow:0 10px 30px rgba(26,78,216,.18)}
.btn--ghost{background:transparent;color:var(--ink-1);border-color:var(--rule2)}
.btn--ghost:hover{border-color:var(--blue);color:var(--blue);background:var(--blue-bg)}

/* ── NAV ───────────────────────────────────────────────────── */
.nav{
  position:sticky;top:0;z-index:100;height:60px;
  background:rgba(255,255,255,.92);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--rule);
}
.nav__in{
  max-width:var(--max);margin:0 auto;padding:0 var(--pad);height:100%;
  display:flex;align-items:center;justify-content:space-between;
}
.nav__id{display:flex;align-items:center;gap:12px;text-decoration:none}
.nav__dot{width:8px;height:8px;background:var(--blue);border-radius:50%;flex-shrink:0}
.nav__name{
  font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:2px;
  text-transform:uppercase;color:var(--ink-1);font-weight:500;
}
.nav__links{display:flex;gap:28px;list-style:none;align-items:center}
.nav__links a{
  font-size:12px;font-weight:500;letter-spacing:.4px;color:var(--ink-2);
  text-decoration:none;transition:color .15s;
}
.nav__links a:hover,.nav__links a[aria-current="page"]{color:var(--blue)}

/* ── FOOTER ────────────────────────────────────────────────── */
.foot{border-top:1px solid var(--rule);margin-top:0}
.foot__in{
  max-width:var(--max);margin:0 auto;padding:36px var(--pad);
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;
}
.foot__name{
  font-family:'Fraunces',serif;font-size:18px;font-weight:300;color:var(--ink-2);
  display:flex;align-items:center;gap:10px;
}
.foot__name em{font-style:italic;color:var(--ink);font-family:'Instrument Serif',serif}
.foot__copy{
  font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:1.5px;
  color:var(--ink-3);text-transform:uppercase;padding-left:14px;
  border-left:1px solid var(--rule);margin-left:6px;
}
.foot__nav{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.foot__nav a{
  font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:1.5px;
  text-transform:uppercase;color:var(--ink-3);text-decoration:none;
  transition:color .15s;padding:4px 8px;
}
.foot__nav a:hover{color:var(--blue)}
.foot__sep{color:var(--rule2);padding:0 2px}

/* ── SCROLL REVEAL ─────────────────────────────────────────── */
.reveal{
  opacity:0;transform:translateY(28px);filter:blur(2px);
  transition:opacity .8s var(--ease),transform .8s var(--ease),filter .8s var(--ease);
}
.reveal.in{opacity:1;transform:translateY(0);filter:blur(0)}
.d1{transition-delay:.08s}
.d2{transition-delay:.16s}
.d3{transition-delay:.24s}
.d4{transition-delay:.32s}
.d5{transition-delay:.40s}
.d6{transition-delay:.48s}
.d7{transition-delay:.56s}

/* ── CUSTOM CURSOR ─────────────────────────────────────────── */
#cur{
  position:fixed;top:0;left:0;width:8px;height:8px;background:var(--blue);
  border-radius:50%;pointer-events:none;z-index:9999;transform:translate(-50%,-50%);
  transition:width .22s var(--ease),height .22s var(--ease),background .2s,border .2s,opacity .2s;
  will-change:transform;mix-blend-mode:multiply;
}
#cur.hover-state{width:36px;height:36px;background:transparent;border:1.5px solid var(--blue)}
#cur.link-state{width:20px;height:20px}
.has-cursor{cursor:none}

/* ── RESPONSIVE ────────────────────────────────────────────── */
@media(max-width:860px){
  :root{--pad:24px}
  .nav__links{gap:16px}
  .foot__in{flex-direction:column;align-items:flex-start}
}

/* Touch devices never get the custom cursor */
@media(hover:none){
  #cur{display:none}
  .has-cursor{cursor:auto}
}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
  .reveal{opacity:1;transform:none;filter:none}
  #cur{display:none}
  .has-cursor{cursor:auto}
}

/* ── PRINT ─────────────────────────────────────────────────── */
@media print{
  .nav,#cur,.skip{display:none}
  body{background:#fff;color:#000}
  .reveal{opacity:1;transform:none;filter:none}
}