/* ===================================================================
   APEX DIGITAL SOLUTIONS PVT — Design System
   Palette: warm near-black + brass gold + warm ivory
   Type: Space Grotesk (display) / IBM Plex Sans (body) / IBM Plex Mono (labels)
   Signature: blueprint grid + diamond connector motif
=================================================================== */

:root{
  --ink:        #0E0E0D;
  --ink-soft:   #1A1917;
  --graphite:   #2A2823;
  --paper:      #F6F3EC;
  --paper-dim:  #EAE5D8;
  --gold:       #C69A3E;
  --gold-bright:#E8C874;
  --gold-deep:  #8A6A26;
  --text-on-ink:      #F6F3EC;
  --text-on-ink-dim:  #B8B3A4;
  --text-on-paper:    #1A1917;
  --text-on-paper-dim:#57534A;
  --line-on-ink:   rgba(230,200,120,0.22);
  --line-on-paper: rgba(26,25,23,0.12);
  --radius: 2px;
  --max: 1180px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--paper);
  color:var(--text-on-paper);
  font-family:'IBM Plex Sans',-apple-system,sans-serif;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img,video{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; margin:0; padding:0; }
h1,h2,h3,h4{
  font-family:'Space Grotesk',sans-serif;
  font-weight:600;
  line-height:1.12;
  margin:0 0 0.5em;
  letter-spacing:-0.01em;
}
p{ margin:0 0 1em; }
.mono{
  font-family:'IBM Plex Mono',monospace;
  letter-spacing:0.08em;
  text-transform:uppercase;
}

/* Focus visibility */
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:2px solid var(--gold);
  outline-offset:3px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; scroll-behavior:auto !important; }
}

/* ---------- Layout helpers ---------- */
.wrap{ max-width:var(--max); margin:0 auto; padding:0 28px; }
.section{ padding:96px 0; }
.section-tight{ padding:64px 0; }
@media (max-width:720px){
  .section{ padding:64px 0; }
  .section-tight{ padding:44px 0; }
}
.on-ink{ background:var(--ink); color:var(--text-on-ink); }
.on-paper{ background:var(--paper); color:var(--text-on-paper); }
.on-paper-dim{ background:var(--paper-dim); color:var(--text-on-paper); }

.eyebrow{
  font-family:'IBM Plex Mono',monospace;
  font-size:12px;
  letter-spacing:0.16em;
  text-transform:uppercase;
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:18px;
}
.on-ink .eyebrow{ color:var(--gold-bright); }
.on-paper .eyebrow,.on-paper-dim .eyebrow{ color:var(--gold-deep); }

/* Diamond glyph — the recurring signature mark */
.diamond{
  width:8px; height:8px;
  background:currentColor;
  transform:rotate(45deg);
  flex:none;
  display:inline-block;
}
.diamond-lg{ width:22px; height:22px; }

/* ---------- Buttons ---------- */
.btn{
  font-family:'IBM Plex Mono',monospace;
  font-size:13px;
  letter-spacing:0.08em;
  text-transform:uppercase;
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:15px 26px;
  border:1px solid transparent;
  border-radius:var(--radius);
  cursor:pointer;
  transition:transform .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
}
.btn:hover{ transform:translateY(-2px); }
.btn-gold{ background:var(--gold); color:var(--ink); }
.btn-gold:hover{ background:var(--gold-bright); }
.btn-outline-ink{ border-color:rgba(246,243,236,0.35); color:var(--text-on-ink); }
.btn-outline-ink:hover{ border-color:var(--gold-bright); color:var(--gold-bright); }
.btn-outline-paper{ border-color:rgba(26,25,23,0.3); color:var(--text-on-paper); }
.btn-outline-paper:hover{ border-color:var(--gold-deep); color:var(--gold-deep); }

/* ---------- Nav ---------- */
.nav{
  position:sticky; top:0; z-index:50;
  background:rgba(14,14,13,0.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line-on-ink);
}
.nav .wrap{ display:flex; align-items:center; justify-content:space-between; height:76px; }
.nav-logo{ display:flex; align-items:center; gap:10px; }
.nav-logo img{ height:30px; width:auto; }
.nav-links{ display:flex; align-items:center; gap:34px; }
.nav-links a{
  font-family:'IBM Plex Mono',monospace;
  font-size:12.5px;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color:var(--text-on-ink-dim);
  transition:color .18s ease;
  position:relative;
  padding:4px 0;
}
.nav-links a:hover,.nav-links a.active{ color:var(--gold-bright); }
.nav-cta{ display:flex; align-items:center; gap:22px; }
.nav-toggle{ display:none; background:none; border:0; color:var(--text-on-ink); font-size:26px; cursor:pointer; }
@media (max-width:860px){
  .nav-links{
    position:absolute; top:76px; left:0; right:0;
    background:var(--ink); flex-direction:column; align-items:flex-start;
    padding:20px 28px 28px; gap:18px; border-bottom:1px solid var(--line-on-ink);
    display:none;
  }
  .nav-links.open{ display:flex; }
  .nav-toggle{ display:block; }
  .nav-cta .btn-label{ display:none; }
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  overflow:hidden;
  padding:120px 0 90px;
  background:
    radial-gradient(ellipse at 20% -10%, rgba(198,154,62,0.16), transparent 55%),
    var(--ink);
}
.blueprint-grid{
  position:absolute; inset:0;
  background-image:
    linear-gradient(var(--line-on-ink) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-on-ink) 1px, transparent 1px);
  background-size:56px 56px;
  mask-image:linear-gradient(to bottom, rgba(0,0,0,0.9), transparent 80%);
  -webkit-mask-image:linear-gradient(to bottom, rgba(0,0,0,0.9), transparent 80%);
  animation:driftGrid 40s linear infinite;
  pointer-events:none;
}
@keyframes driftGrid{ from{ background-position:0 0,0 0; } to{ background-position:56px 56px,56px 56px; } }

.hero-diamond-orbit{
  position:absolute; right:6%; top:14%;
  width:280px; height:280px;
  pointer-events:none;
}
.hero-diamond-orbit svg{ width:100%; height:100%; animation:spinSlow 60s linear infinite; }
@keyframes spinSlow{ from{ transform:rotate(0deg);} to{ transform:rotate(360deg);} }

.hero-inner{ position:relative; z-index:2; max-width:760px; }
.hero h1{
  font-size:clamp(40px,6vw,72px);
  color:var(--paper);
  margin-bottom:22px;
}
.hero h1 .accent{ color:var(--gold); }
.hero-sub{
  font-size:19px;
  color:var(--text-on-ink-dim);
  max-width:560px;
  margin-bottom:38px;
}
.hero-actions{ display:flex; gap:16px; flex-wrap:wrap; margin-bottom:64px; }

.stat-row{
  position:relative; z-index:2;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line-on-ink);
  padding-top:32px;
  gap:20px;
}
.stat-item .stat-num{
  font-family:'Space Grotesk',sans-serif;
  font-size:clamp(24px,3vw,34px);
  color:var(--gold-bright);
  font-weight:600;
}
.stat-item .stat-label{
  font-family:'IBM Plex Mono',monospace;
  font-size:11.5px;
  letter-spacing:0.06em;
  text-transform:uppercase;
  color:var(--text-on-ink-dim);
  margin-top:4px;
}
@media (max-width:760px){
  .stat-row{ grid-template-columns:repeat(2,1fr); row-gap:26px; }
  .hero-diamond-orbit{ display:none; }
}

/* ---------- Intro / prose blocks ---------- */
.intro-block{ max-width:740px; }
.intro-block h2{ font-size:clamp(28px,4vw,42px); }
.lede{ font-size:19px; color:var(--text-on-paper-dim); }

/* ---------- Systems diagram (services) ---------- */
.sys-diagram{
  display:grid; grid-template-columns:repeat(4,1fr); gap:0;
  border:1px solid var(--line-on-ink);
  border-radius:var(--radius);
  overflow:hidden;
}
.sys-node{
  padding:38px 26px;
  border-right:1px solid var(--line-on-ink);
  position:relative;
}
.sys-node:last-child{ border-right:none; }
.sys-node .diamond{ color:var(--gold); margin-bottom:22px; }
.sys-node h3{ font-size:19px; color:var(--paper); margin-bottom:10px; }
.sys-node p{ font-size:14.5px; color:var(--text-on-ink-dim); margin:0; }
.sys-node::after{
  content:'';
  position:absolute; top:47px; right:-5px;
  width:9px; height:9px; background:var(--ink);
  border:1px solid var(--gold); transform:rotate(45deg);
  z-index:2;
}
.sys-node:last-child::after{ display:none; }
@media (max-width:860px){
  .sys-diagram{ grid-template-columns:1fr; }
  .sys-node{ border-right:none; border-bottom:1px solid var(--line-on-ink); }
  .sys-node::after{ display:none; }
}

/* ---------- Cards ---------- */
.card-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:2px; background:var(--line-on-paper); }
.case-card{
  background:var(--paper);
  padding:36px;
  display:flex; flex-direction:column; gap:14px;
}
.case-card .tag{
  font-family:'IBM Plex Mono',monospace;
  font-size:11px; letter-spacing:0.1em; text-transform:uppercase;
  color:var(--gold-deep);
}
.case-card h3{ font-size:22px; margin-bottom:2px; }
.case-card p{ color:var(--text-on-paper-dim); font-size:14.5px; margin-bottom:6px; }
.case-media{
  aspect-ratio:16/10;
  background:var(--paper-dim);
  border:1px dashed rgba(26,25,23,0.22);
  display:flex; align-items:center; justify-content:center;
  color:var(--text-on-paper-dim);
  font-family:'IBM Plex Mono',monospace;
  font-size:11.5px; letter-spacing:0.08em; text-transform:uppercase;
  text-align:center; gap:10px; flex-direction:column;
  margin-bottom:6px;
  overflow:hidden;
}
.case-media img,.case-media video{ width:100%; height:100%; object-fit:cover; }
.case-media .diamond{ color:var(--gold-deep); }
.case-card .metrics{ display:flex; gap:22px; margin-top:6px; flex-wrap:wrap; }
.case-card .metrics div{ font-family:'IBM Plex Mono',monospace; font-size:12px; color:var(--text-on-paper-dim); }
.case-card .metrics strong{ display:block; font-family:'Space Grotesk',sans-serif; font-size:20px; color:var(--gold-deep); font-weight:600; }
@media (max-width:760px){ .card-grid{ grid-template-columns:1fr; } }

/* ---------- Why us ---------- */
.why-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:44px; }
.why-item .diamond{ color:var(--gold); margin-bottom:18px; }
.why-item h3{ font-size:19px; color:var(--paper); }
.why-item p{ color:var(--text-on-ink-dim); font-size:14.5px; }
@media (max-width:760px){ .why-grid{ grid-template-columns:1fr; gap:34px; } }

/* ---------- Team video block ---------- */
.video-block{
  display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center;
}
.video-frame{
  position:relative; aspect-ratio:16/9; background:var(--ink);
  border-radius:var(--radius); overflow:hidden;
}
.video-frame video{ width:100%; height:100%; object-fit:cover; }
.play-btn{
  position:absolute; inset:0; margin:auto; width:64px; height:64px;
  background:var(--gold); border:0; border-radius:50%;
  display:flex; align-items:center; justify-content:center; cursor:pointer;
  transition:transform .18s ease, background .18s ease;
}
.play-btn:hover{ transform:scale(1.08); background:var(--gold-bright); }
.play-btn svg{ width:20px; height:20px; margin-left:3px; }
@media (max-width:860px){ .video-block{ grid-template-columns:1fr; gap:32px; } }

/* ---------- Final CTA ---------- */
.cta-block{
  background:var(--gold);
  color:var(--ink);
  padding:76px 0;
  text-align:center;
}
.cta-block h2{ font-size:clamp(28px,4.5vw,44px); color:var(--ink); max-width:640px; margin:0 auto 16px; }
.cta-block p{ color:rgba(14,14,13,0.72); max-width:520px; margin:0 auto 32px; font-size:17px; }
.cta-block .btn-outline-ink{ border-color:rgba(14,14,13,0.35); color:var(--ink); }
.cta-block .btn-outline-ink:hover{ border-color:var(--ink); }

/* ---------- Footer ---------- */
.footer{ background:var(--ink); color:var(--text-on-ink-dim); padding:56px 0 30px; }
.footer .wrap{ display:flex; justify-content:space-between; gap:40px; flex-wrap:wrap; }
.footer-col h4{ color:var(--paper); font-size:13px; font-family:'IBM Plex Mono',monospace; letter-spacing:0.1em; text-transform:uppercase; margin-bottom:16px; }
.footer-col a{ display:block; color:var(--text-on-ink-dim); font-size:14px; margin-bottom:10px; transition:color .18s ease; }
.footer-col a:hover{ color:var(--gold-bright); }
.footer-bottom{ border-top:1px solid var(--line-on-ink); margin-top:44px; padding-top:24px; font-size:12.5px; font-family:'IBM Plex Mono',monospace; letter-spacing:0.04em; display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; }

/* ---------- Page header (inner pages) ---------- */
.page-header{ padding:150px 0 60px; background:var(--ink); position:relative; overflow:hidden; }
.page-header h1{ color:var(--paper); font-size:clamp(34px,5vw,54px); }
.page-header p{ color:var(--text-on-ink-dim); max-width:600px; font-size:17px; margin:0; }

/* ---------- Reveal on scroll ----------
   Visible by default so content never disappears if JS fails to run.
   Only hidden-then-revealed once JS confirms it's ready (see main.js). */
.reveal{ transition:opacity .6s ease, transform .6s ease; }
.js-reveal-ready .reveal{ opacity:0; transform:translateY(18px); }
.js-reveal-ready .reveal.in{ opacity:1; transform:translateY(0); }

/* ---------- Forms ---------- */
.form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.form-grid .full{ grid-column:1/-1; }
label{ display:block; font-family:'IBM Plex Mono',monospace; font-size:11.5px; letter-spacing:0.08em; text-transform:uppercase; color:var(--text-on-paper-dim); margin-bottom:8px; }
input,select,textarea{
  width:100%; padding:13px 14px; font-family:'IBM Plex Sans',sans-serif; font-size:15px;
  background:var(--paper); border:1px solid var(--line-on-paper); border-radius:var(--radius); color:var(--text-on-paper);
}
textarea{ resize:vertical; min-height:120px; }
input:focus,select:focus,textarea:focus{ border-color:var(--gold-deep); }
@media (max-width:640px){ .form-grid{ grid-template-columns:1fr; } }

/* ---------- Simple content lists (services/about pages) ---------- */
.check-list li{ display:flex; gap:12px; align-items:flex-start; margin-bottom:14px; font-size:15.5px; }
.check-list .diamond{ margin-top:7px; color:var(--gold-deep); }
.on-ink .check-list .diamond{ color:var(--gold); }

.two-col{ display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:start; }
@media (max-width:820px){ .two-col{ grid-template-columns:1fr; gap:36px; } }

.service-detail{ border-top:1px solid var(--line-on-paper); padding:44px 0; display:grid; grid-template-columns:220px 1fr; gap:40px; }
.service-detail:last-child{ }
.service-detail .stag{ font-family:'IBM Plex Mono',monospace; font-size:12px; letter-spacing:0.08em; text-transform:uppercase; color:var(--gold-deep); }
.service-detail h3{ font-size:26px; margin-top:8px; }
@media (max-width:720px){ .service-detail{ grid-template-columns:1fr; gap:14px; } }

.process-steps{ display:grid; grid-template-columns:repeat(3,1fr); gap:2px; background:var(--line-on-paper); margin-top:20px; }
.process-steps div{ background:var(--paper); padding:24px; font-size:13.5px; color:var(--text-on-paper-dim); }
.process-steps div b{ display:block; font-family:'Space Grotesk',sans-serif; font-size:16px; color:var(--text-on-paper); margin-bottom:6px; }
@media (max-width:720px){ .process-steps{ grid-template-columns:1fr; } }