/* ============================================================
   ZESHAN AMIN — Design System
   "Intercepted Dossier" visual language
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Anton&family=Big+Shoulders+Display:wght@700;800;900&family=Inter:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root{
  /* ---- palette ---- */
  --bg:            #0a1c12;
  --bg-deep:       #061109;
  --panel:         #12291b;
  --panel-raised:  #17331f;
  --line:          #24462f;
  --ink:           #eef3ea;
  --ink-dim:       #a9c2ac;
  --sage:          #7c9885;
  --signal:        #4ade80;
  --signal-dim:    #2f8a56;
  --gold:          #d4af37;
  --gold-dim:      #9c852e;
  --danger:        #e05c4a;

  /* ---- type ---- */
  --f-display: 'Anton', 'Big Shoulders Display', sans-serif;
  --f-body:    'Inter', system-ui, sans-serif;
  --f-mono:    'IBM Plex Mono', ui-monospace, monospace;

  /* ---- scale ---- */
  --radius: 2px;
  --container: 1180px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; scroll-behavior:auto !important; }
}

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--f-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

/* faint scanline / noise atmosphere */
body::before{
  content:"";
  position:fixed; inset:0;
  pointer-events:none;
  z-index:9999;
  background:repeating-linear-gradient(
    to bottom,
    rgba(255,255,255,0.015) 0px,
    rgba(255,255,255,0.015) 1px,
    transparent 1px,
    transparent 3px
  );
  mix-blend-mode:overlay;
  opacity:0.5;
}

/* faint vignette */
body::after{
  content:"";
  position:fixed; inset:0;
  pointer-events:none;
  z-index:9998;
  background:radial-gradient(ellipse at 50% 0%, transparent 40%, rgba(0,0,0,0.55) 100%);
}

a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ margin:0; font-family:var(--f-display); font-weight:400; letter-spacing:0.01em; text-transform:uppercase; }
p{ margin:0; }

:focus-visible{
  outline:2px solid var(--signal);
  outline-offset:3px;
}

.container{
  max-width:var(--container);
  margin:0 auto;
  padding:0 28px;
}

.mono{ font-family:var(--f-mono); }

/* ============ eyebrow / classification tags ============ */
.tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--f-mono);
  font-size:12px;
  letter-spacing:0.15em;
  text-transform:uppercase;
  color:var(--signal);
  padding:5px 12px;
  border:1px solid var(--signal-dim);
  background:rgba(74,222,128,0.06);
  border-radius:var(--radius);
}
.tag::before{
  content:"";
  width:6px; height:6px;
  border-radius:50%;
  background:var(--signal);
  box-shadow:0 0 8px var(--signal);
  animation:blink 1.6s infinite;
}
@keyframes blink{ 0%,45%{opacity:1;} 50%,95%{opacity:0.25;} 100%{opacity:1;} }

/* ============ NAV ============ */
.nav{
  position:sticky; top:0; z-index:500;
  background:rgba(10,28,18,0.85);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav .container{
  display:flex; align-items:center; justify-content:space-between;
  height:72px;
}
.nav-brand{
  font-family:var(--f-display);
  font-size:22px;
  letter-spacing:0.03em;
  display:flex; align-items:center; gap:10px;
}
.nav-brand .dot{ color:var(--signal); }
.nav-links{ display:flex; gap:6px; align-items:center; }
.nav-links a{
  font-family:var(--f-mono);
  font-size:13px;
  letter-spacing:0.06em;
  text-transform:uppercase;
  color:var(--ink-dim);
  padding:10px 16px;
  border-radius:var(--radius);
  transition:color .2s, background .2s;
  position:relative;
}
.nav-links a:hover{ color:var(--ink); background:rgba(255,255,255,0.04); }
.nav-links a.active{ color:var(--signal); }
.nav-links a.active::after{
  content:"";
  position:absolute; left:16px; right:16px; bottom:5px;
  height:1px; background:var(--signal);
}
.nav-cta{
  font-family:var(--f-mono) !important;
  background:var(--signal);
  color:var(--bg-deep) !important;
  font-weight:600;
  padding:10px 18px !important;
}
.nav-cta:hover{ background:#6ee69c; }

.nav-toggle{ display:none; background:none; border:1px solid var(--line); color:var(--ink); padding:8px 10px; cursor:pointer; }

@media (max-width:860px){
  .nav-links{
    position:absolute; top:72px; left:0; right:0;
    flex-direction:column; align-items:stretch;
    background:var(--bg-deep);
    border-bottom:1px solid var(--line);
    padding:10px;
    display:none;
  }
  .nav-links.open{ display:flex; }
  .nav-toggle{ display:block; }
}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex; align-items:center; gap:10px;
  font-family:var(--f-mono);
  font-size:14px; letter-spacing:0.04em; text-transform:uppercase;
  padding:14px 26px;
  border-radius:var(--radius);
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:active{ transform:translateY(1px); }
.btn-primary{
  background:var(--signal);
  color:var(--bg-deep);
  font-weight:600;
}
.btn-primary:hover{ box-shadow:0 0 0 3px rgba(74,222,128,0.25); background:#6ee69c; }
.btn-ghost{
  background:transparent;
  border-color:var(--line);
  color:var(--ink);
}
.btn-ghost:hover{ border-color:var(--signal); color:var(--signal); }
.btn-gold{
  background:var(--gold);
  color:#231b04;
  font-weight:600;
}
.btn-gold:hover{ box-shadow:0 0 0 3px rgba(212,175,55,0.25); }

/* ============ DOSSIER CARD (signature element) ============ */
.dossier{
  position:relative;
  background:var(--panel);
  border:1px solid var(--line);
  padding:26px 24px 22px;
  clip-path:polygon(
    0% 2%, 3% 0%, 9% 1.5%, 15% 0%, 22% 1.2%, 29% 0%, 36% 1.6%, 44% 0%,
    52% 1.2%, 60% 0%, 68% 1.6%, 76% 0%, 84% 1.2%, 91% 0%, 97% 1.5%, 100% 0%,
    100% 100%, 0% 100%
  );
}
.dossier::before{
  content: attr(data-stamp);
  position:absolute; top:14px; right:-32px;
  font-family:var(--f-mono);
  font-size:10px; letter-spacing:0.12em;
  color:var(--gold);
  border:1px solid var(--gold-dim);
  padding:3px 34px;
  transform:rotate(8deg);
  opacity:0.85;
  background:rgba(212,175,55,0.05);
  white-space:nowrap;
}
.dossier:not([data-stamp])::before{ content:none; }

.dossier-index{
  font-family:var(--f-mono);
  font-size:12px;
  color:var(--signal-dim);
  letter-spacing:0.1em;
}
.dossier h3{
  font-size:22px;
  margin:8px 0 10px;
  color:var(--ink);
}
.dossier p{
  color:var(--ink-dim);
  font-size:14.5px;
}

/* ============ SECTION HELPERS ============ */
section{ padding:96px 0; position:relative; }
.section-head{ max-width:640px; margin-bottom:56px; }
.section-head .tag{ margin-bottom:18px; }
.section-head h2{ font-size:clamp(32px,4.5vw,52px); line-height:1.05; color:var(--ink); }
.section-head p{ margin-top:16px; color:var(--ink-dim); font-size:17px; }

.divider{
  border:none; height:1px;
  background:linear-gradient(to right, var(--line), transparent);
  margin:0;
}

/* reveal-on-scroll */
.reveal{ opacity:0; transform:translateY(24px); transition:opacity .7s ease, transform .7s ease; }
.reveal.in{ opacity:1; transform:translateY(0); }

/* ============ FOOTER ============ */
.site-footer{
  border-top:1px solid var(--line);
  padding:56px 0 32px;
  background:var(--bg-deep);
}
.footer-grid{
  display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:40px;
}
.footer-grid h4{ font-family:var(--f-mono); font-size:12px; letter-spacing:0.14em; color:var(--sage); text-transform:uppercase; margin-bottom:16px; }
.footer-links a{ display:block; padding:6px 0; color:var(--ink-dim); font-size:14.5px; transition:color .15s; }
.footer-links a:hover{ color:var(--signal); }
.footer-bottom{
  margin-top:48px; padding-top:24px; border-top:1px solid var(--line);
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px;
  font-family:var(--f-mono); font-size:12px; color:var(--sage);
}
@media (max-width:760px){
  .footer-grid{ grid-template-columns:1fr; }
}

/* ============ MISC UTIL ============ */
.grid-2{ display:grid; grid-template-columns:1fr 1fr; gap:28px; }
.grid-3{ display:grid; grid-template-columns:repeat(3,1fr); gap:28px; }
@media (max-width:900px){
  .grid-2, .grid-3{ grid-template-columns:1fr; }
}

.pill{
  display:inline-block;
  font-family:var(--f-mono);
  font-size:12px;
  padding:5px 12px;
  border:1px solid var(--line);
  border-radius:20px;
  color:var(--ink-dim);
  margin:4px 6px 0 0;
}

.glow-text{ color:var(--signal); text-shadow:0 0 18px rgba(74,222,128,0.35); }