/* ============================================================
   COFFMAN INNOVATIONS — Shared Stylesheet v1.0
   Apply to all pages via <link rel="stylesheet" href="/assets/styles.css">
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Barlow:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,300&family=Barlow+Condensed:wght@400;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

/* ─── DESIGN TOKENS ─── */
:root {
  --ci-purple-core:    #123A5E;
  --ci-purple-bright:  #1C6DB0;
  --ci-purple-glow:    #4E9FDE;
  --ci-purple-subtle:  #081D33;
  --ci-purple-dim:     #0F3557;
  --ci-silver-bright:  #E4E8EF;
  --ci-silver-core:    #B9C2D1;
  --ci-silver-dim:     #7C8CA3;
  --ci-charcoal:       #1A1D2E;
  --ci-navy:           #12141F;
  --ci-midnight:       #0A0B12;
  --ci-slate:          #2A2D3E;
  --ci-white:          #FFFFFF;
  --ci-text-body:      #B8C4D8;
  --ci-text-muted:     #8B94AC;

  --bg-primary:        var(--ci-midnight);
  --bg-surface:        var(--ci-navy);
  --bg-card:           var(--ci-charcoal);
  --bg-elevated:       var(--ci-slate);
  --accent-primary:    var(--ci-purple-bright);
  --accent-glow:       var(--ci-purple-glow);
  --text-primary:      var(--ci-white);
  --text-secondary:    var(--ci-text-body);
  --text-muted:        var(--ci-text-muted);
  --border-subtle:     rgba(28, 109, 176, 0.3);
  --border-card:       rgba(28, 109, 176, 0.18);
  --glow-purple:       0 0 24px rgba(28, 109, 176, 0.45);
  --glow-subtle:       0 0 12px rgba(28, 109, 176, 0.22);
  --shadow-card:       0 4px 24px rgba(0,0,0,0.4);
  --ease-snap:         cubic-bezier(0.22, 1, 0.36, 1);
  --ease-smooth:       cubic-bezier(0.4, 0, 0.2, 1);

  --font-display: 'Barlow Condensed', sans-serif;
  --font-body:    'Barlow', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;
}

/* ─── RESET ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* Noise texture overlay */
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none; z-index: 0; opacity: 0.4;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }

/* ─── NAVIGATION ─── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(10, 11, 18, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0 40px;
  height: 68px;
  display: flex; align-items: center; justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: linear-gradient(135deg, var(--ci-purple-bright), var(--ci-silver-core));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: flex; align-items: center; gap: 10px;
}

.nav-logo-mark {
  width: 32px; height: 32px;
  background: var(--ci-purple-bright);
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem; font-weight: 800;
  color: white;
  -webkit-text-fill-color: white;
  flex-shrink: 0;
  box-shadow: var(--glow-subtle);
}

.nav-links {
  display: flex; gap: 36px; list-style: none; align-items: center;
}

.nav-links a {
  font-size: 0.875rem; font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  transition: color 150ms ease;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute; bottom: -4px; left: 0; right: 0;
  height: 1px;
  background: var(--ci-purple-glow);
  transform: scaleX(0);
  transition: transform 200ms var(--ease-snap);
}

.nav-links a:hover, .nav-links a.active { color: var(--ci-white); }
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }

.nav-cta {
  padding: 10px 22px;
  background: var(--ci-purple-bright);
  color: white !important;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.04em;
  border-radius: 8px;
  transition: all 200ms var(--ease-snap);
  -webkit-text-fill-color: white !important;
}

.nav-cta::after { display: none !important; }
.nav-cta:hover { background: var(--ci-purple-glow); box-shadow: var(--glow-subtle); transform: translateY(-1px); }

.nav-hamburger {
  display: none;
  flex-direction: column; gap: 5px;
  cursor: pointer; padding: 4px;
}

.nav-hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: all 200ms ease;
}

/* ─── PAGE WRAPPER ─── */
.page { position: relative; z-index: 1; padding-top: 68px; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 40px; }

/* ─── SECTION ─── */
.section { padding: 96px 0; }
.section-sm { padding: 64px 0; }

.section-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem; font-weight: 500;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--ci-purple-glow);
  margin-bottom: 16px;
}
.section-label::before {
  content: ''; display: block;
  width: 24px; height: 1px;
  background: var(--ci-purple-glow);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 4vw, 3rem);
  font-weight: 800; letter-spacing: 0.02em;
  text-transform: uppercase; line-height: 1.05;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.125rem; color: var(--text-secondary);
  max-width: 600px; line-height: 1.7;
  margin-bottom: 56px;
}

.divider {
  width: 100%; height: 1px;
  background: linear-gradient(90deg, var(--ci-purple-bright) 0%, transparent 60%);
  margin: 0 0 56px;
}

/* ─── GRADIENT TEXT ─── */
.gradient-text {
  background: linear-gradient(135deg, var(--ci-purple-bright) 0%, var(--ci-purple-glow) 50%, var(--ci-silver-bright) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-body); font-weight: 600;
  font-size: 0.9rem; letter-spacing: 0.04em;
  text-transform: uppercase; border: none;
  border-radius: 8px; cursor: pointer;
  transition: all 250ms var(--ease-snap);
  text-decoration: none;
}

.btn-primary {
  padding: 14px 28px;
  background: var(--ci-purple-bright); color: white;
}
.btn-primary:hover {
  background: var(--ci-purple-glow);
  box-shadow: var(--glow-purple);
  transform: translateY(-2px);
}

.btn-secondary {
  padding: 13px 28px;
  background: transparent; color: var(--ci-purple-glow);
  border: 1px solid var(--ci-purple-bright);
}
.btn-secondary:hover {
  background: rgba(28,109,176,0.1);
  box-shadow: var(--glow-subtle);
  transform: translateY(-2px);
}

.btn-ghost {
  padding: 13px 28px;
  background: transparent; color: var(--text-secondary);
  border: 1px solid rgba(255,255,255,0.1);
}
.btn-ghost:hover {
  color: white; border-color: rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.05);
}

.btn-lg { padding: 18px 40px; font-size: 1rem; border-radius: 12px; }

/* ─── CARDS ─── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 20px; padding: 32px;
  position: relative; overflow: hidden;
  transition: all 250ms var(--ease-snap);
}

.card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--ci-purple-bright), transparent);
  opacity: 0; transition: opacity 250ms;
}

.card:hover {
  border-color: rgba(28,109,176,0.35);
  box-shadow: var(--glow-subtle), var(--shadow-card);
  transform: translateY(-4px);
}
.card:hover::before { opacity: 1; }

.card-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--ci-purple-subtle), var(--ci-purple-dim));
  border: 1px solid rgba(28,109,176,0.3);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; margin-bottom: 20px;
}

.card-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem; color: var(--ci-purple-glow);
  letter-spacing: 0.12em; text-transform: uppercase;
  margin-bottom: 12px;
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.4rem; font-weight: 700;
  letter-spacing: 0.03em; margin-bottom: 12px;
}

.card-body {
  font-size: 0.9375rem; color: var(--text-secondary); line-height: 1.65;
}

/* ─── FLIP CARDS ─── */
.flip-card {
  perspective: 1400px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.flip-card-inner {
  position: relative;
  width: 100%; height: 100%;
  z-index: 1;
  transition: transform 550ms var(--ease-snap);
  transform-style: preserve-3d;
}

.flip-card:hover .flip-card-inner,
.flip-card.is-flipped .flip-card-inner {
  transform: rotateY(180deg);
}

.flip-card-front, .flip-card-back {
  position: absolute; inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: inherit;
  display: flex; flex-direction: column;
}

.flip-card-back {
  transform: rotateY(180deg);
}

.flip-hint {
  margin-top: auto;
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono); font-size: 0.68rem;
  color: var(--text-muted); letter-spacing: 0.1em; text-transform: uppercase;
  opacity: 0.75;
}
.flip-hint::after { content: '↻'; font-size: 0.9rem; }

/* ─── SERVICE / FLIP CARDS (icon, tag, name, desc, link) ─── */
.service-card {
  background: linear-gradient(135deg, var(--ci-charcoal), var(--ci-slate));
  border: 1px solid var(--border-card);
  border-radius: 20px;
  height: 260px;
  position: relative; overflow: hidden;
  transition: all 250ms var(--ease-snap);
}

.service-card .flip-card-front,
.service-card .flip-card-back {
  padding: 36px;
  justify-content: center;
}

.service-card::after {
  content: '';
  position: absolute; top: 0; right: 0;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(28,109,176,0.1) 0%, transparent 70%);
}

.service-card:hover {
  border-color: rgba(28,109,176,0.4);
  box-shadow: var(--glow-subtle), var(--shadow-card);
  transform: translateY(-4px);
}

.svc-icon { font-size: 1.75rem; margin-bottom: 16px; }

.svc-tag {
  font-family: var(--font-mono); font-size: 0.7rem;
  color: var(--ci-purple-glow); letter-spacing: 0.12em;
  text-transform: uppercase; margin-bottom: 10px;
}

.svc-name {
  font-family: var(--font-display);
  font-size: 1.6rem; font-weight: 800;
  letter-spacing: 0.03em; margin-bottom: 12px;
}

.svc-desc {
  font-size: 0.9375rem; color: var(--text-secondary);
  line-height: 1.65; margin-bottom: 24px; flex: 1;
}

.svc-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 0.75rem;
  color: var(--ci-purple-glow); letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: gap 200ms var(--ease-snap);
  margin-top: auto;
}
.svc-link:hover { gap: 14px; }

/* ─── OUTPUTS STRIP (concrete-example pills) ─── */
.outputs-strip {
  display: flex; flex-wrap: wrap; gap: 16px;
  margin-top: 8px;
}

.outputs-item {
  display: flex; align-items: center; gap: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 999px;
  padding: 10px 20px 10px 14px;
  font-size: 0.875rem; font-weight: 600;
  color: var(--text-secondary);
}

.outputs-icon {
  display: flex; align-items: center; justify-content: center;
  width: 28px; height: 28px; flex-shrink: 0;
  border-radius: 50%;
  background: rgba(28,109,176,0.15);
  font-size: 0.9rem;
}

/* ─── BADGE ─── */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 12px; border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.7rem; font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase;
}
.badge-purple { background: rgba(28,109,176,0.15); color: var(--ci-purple-glow); border: 1px solid rgba(28,109,176,0.3); }
.badge-silver { background: rgba(185,194,209,0.1); color: var(--ci-silver-core); border: 1px solid rgba(185,194,209,0.2); }
.badge-dot::before { content: ''; display: block; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

/* ─── PROCESS TIMELINE (looping, expand-on-hover/tap) ─── */
.process-timeline {
  position: relative;
  padding-top: 130px;
  padding-bottom: 40px;
}

.process-loop-svg {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 130px;
  overflow: visible;
  pointer-events: none;
}

.process-loop-line { fill: none; stroke: var(--border-card); stroke-width: 2; }
.process-loop-arc  { fill: none; stroke: rgba(28,109,176,0.5); stroke-width: 2; stroke-dasharray: 5 7; }

.process-loop-label {
  position: absolute;
  left: 50%; top: 6px; transform: translateX(-50%);
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 0.68rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-muted); white-space: nowrap;
  background: var(--bg-primary);
  padding: 0 12px;
}

.process-track {
  position: relative; z-index: 1;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
}

.process-node {
  position: relative;
  display: flex; flex-direction: column; align-items: center;
  text-align: center;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  padding-top: 12px;
}

.process-node-circle {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--ci-purple-subtle), var(--ci-purple-dim));
  border: 1px solid rgba(28,109,176,0.4);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 700; font-size: 1.1rem;
  color: var(--ci-purple-glow);
  margin-bottom: 16px;
  transition: all 300ms var(--ease-snap);
}

.process-node:hover .process-node-circle,
.process-node.is-open .process-node-circle {
  box-shadow: var(--glow-subtle);
  border-color: var(--ci-purple-bright);
  transform: scale(1.08);
}

.process-node-label {
  font-family: var(--font-mono); font-size: 0.72rem;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text-muted); margin-bottom: 6px;
}

.process-node-title {
  font-family: var(--font-display); font-size: 1.05rem; font-weight: 700;
  letter-spacing: 0.02em; line-height: 1.25;
}

.process-popover {
  position: absolute; top: 100%; left: 50%;
  width: 250px;
  margin-top: 14px;
  transform: translate(-50%, 0);
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity 250ms var(--ease-snap), transform 250ms var(--ease-snap), visibility 250ms;
  z-index: 5;
  background: var(--bg-card); border: 1px solid var(--border-card); border-radius: 14px;
  padding: 18px 20px;
  box-shadow: var(--glow-subtle), var(--shadow-card);
  text-align: left;
}

.process-node:hover .process-popover,
.process-node.is-open .process-popover {
  opacity: 1; visibility: visible; pointer-events: auto;
  transform: translate(-50%, 6px);
}

.process-popover p {
  font-size: 0.85rem; color: var(--text-secondary); line-height: 1.6;
}

@media (max-width: 900px) {
  .process-loop-svg, .process-loop-label { display: none; }
  .process-timeline { padding-top: 0; }
  .process-track { grid-template-columns: 1fr; gap: 2px; }
  .process-node {
    flex-direction: row; align-items: center; justify-content: flex-start;
    text-align: left; gap: 16px;
    padding: 18px 4px;
    border-bottom: 1px solid var(--border-card);
  }
  .process-node-circle { margin-bottom: 0; flex-shrink: 0; }
  .process-popover {
    position: static; width: 100%;
    max-height: 0; margin-top: 0;
    opacity: 1; visibility: visible; pointer-events: auto;
    transform: none;
    overflow: hidden;
    box-shadow: none; border: none; background: none; padding: 0;
    transition: max-height 350ms var(--ease-snap);
  }
  .process-node:hover .process-popover,
  .process-node.is-open .process-popover {
    transform: none;
  }
  .process-node.is-open .process-popover {
    max-height: 200px;
    padding-top: 4px;
  }
  .process-node-text { flex: 1; min-width: 0; }
}

/* ─── STAT BAR ─── */
.stat-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1px; background: var(--border-card);
  border-radius: 16px; overflow: hidden;
  border: 1px solid var(--border-card);
}
.stat-item { background: var(--bg-card); padding: 40px 20px; text-align: center; }
.stat-num {
  font-family: var(--font-display);
  font-size: 3rem; font-weight: 800;
  background: linear-gradient(135deg, var(--ci-purple-bright), var(--ci-purple-glow));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; line-height: 1; margin-bottom: 8px;
}
.stat-label {
  font-family: var(--font-mono); font-size: 0.7rem;
  color: var(--text-muted); letter-spacing: 0.1em; text-transform: uppercase;
}

/* ─── FORM ─── */
.form-group { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.form-label {
  font-family: var(--font-mono); font-size: 0.7rem; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-muted);
}
.form-input, .form-textarea, .form-select {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px; padding: 13px 16px;
  font-family: var(--font-body); font-size: 1rem;
  color: var(--text-primary); outline: none; width: 100%;
  transition: border-color 150ms, box-shadow 150ms;
}
.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--ci-purple-bright);
  box-shadow: 0 0 0 3px rgba(28,109,176,0.15);
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--text-muted); }
.form-textarea { resize: vertical; min-height: 140px; }
.form-select { appearance: none; cursor: pointer; }

/* ─── FOOTER ─── */
.footer {
  border-top: 1px solid var(--border-subtle);
  padding: 56px 0 40px;
  position: relative; z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px; margin-bottom: 48px;
}

.footer-brand-name {
  font-family: var(--font-display);
  font-size: 1.5rem; font-weight: 800;
  text-transform: uppercase; letter-spacing: 0.08em;
  background: linear-gradient(135deg, var(--ci-purple-bright), var(--ci-silver-core));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; margin-bottom: 12px;
}

.footer-tagline {
  font-size: 0.9rem; color: var(--text-muted); line-height: 1.6; max-width: 280px;
}

.footer-heading {
  font-family: var(--font-mono); font-size: 0.7rem;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--ci-purple-glow); margin-bottom: 16px;
}

.footer-links { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-links a {
  font-size: 0.9rem; color: var(--text-secondary);
  transition: color 150ms;
}
.footer-links a:hover { color: white; }

.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 12px;
  padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-copy {
  font-family: var(--font-mono); font-size: 0.7rem;
  color: var(--text-muted); letter-spacing: 0.06em;
}

.footer-tagline-accent {
  font-family: var(--font-mono); font-size: 0.7rem;
  color: var(--ci-purple-glow); letter-spacing: 0.06em;
  font-weight: 500;
}

/* ─── PAGE HERO ─── */
.page-hero {
  padding: 96px 0 80px;
  position: relative; overflow: hidden;
}

.page-hero::after {
  content: '';
  position: absolute; top: -150px; right: -200px;
  width: 700px; height: 700px; border-radius: 50%;
  background: radial-gradient(circle, rgba(28,109,176,0.1) 0%, transparent 65%);
  pointer-events: none;
}

/* ─── ANIMATIONS ─── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.animate-up { animation: fadeUp 0.65s var(--ease-snap) both; }
.delay-1 { animation-delay: 0.08s; }
.delay-2 { animation-delay: 0.16s; }
.delay-3 { animation-delay: 0.24s; }
.delay-4 { animation-delay: 0.32s; }
.delay-5 { animation-delay: 0.40s; }

/* ─── ACCESSIBILITY: FOCUS VISIBILITY ─── */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
.flip-card:focus-visible,
.process-node:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--ci-purple-glow);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ─── ACCESSIBILITY: REDUCED MOTION ─── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .animate-up { opacity: 1; transform: none; }
}

/* ─── UTILITY ─── */
.text-center { text-align: center; }
.text-center .section-desc { margin-left: auto; margin-right: auto; }
.text-center .section-label { justify-content: center; }
.flex-row { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.mt-8  { margin-top: 32px; }
.mt-12 { margin-top: 48px; }
.mb-8  { margin-bottom: 32px; }

/* ─── MOBILE NAV DRAWER ─── */
.nav-drawer {
  display: none;
  position: fixed; top: 68px; left: 0; right: 0;
  background: rgba(10,11,18,0.97);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 24px 40px 32px;
  z-index: 99;
  flex-direction: column; gap: 20px;
}
.nav-drawer.open { display: flex; }
.nav-drawer a {
  font-size: 1.1rem; font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.nav-drawer a:hover, .nav-drawer a.active { color: white; }

/* ─── RESPONSIVE ─── */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .container { padding: 0 20px; }
  .nav { padding: 0 20px; }
  .section { padding: 64px 0; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .btn-lg { padding: 14px 28px; font-size: 0.9rem; }
  .page-hero { padding: 64px 0 56px; }
  .stat-bar { grid-template-columns: repeat(2, 1fr); }
}