/* ═══════════════════════════════════════════════
   Patriot Minerals AI - Shared Stylesheet
   ═══════════════════════════════════════════════ */

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg-primary: #090d1a;
  --bg-secondary: #0d1224;
  --bg-card: #111830;
  --bg-card-hover: #182040;
  --text-primary: #f0f2f8;
  --text-secondary: #8891a8;
  --text-muted: #525e78;
  --accent: #4b7fff;
  --accent-dim: #3366e6;
  --accent-glow: rgba(75, 127, 255, 0.12);
  --accent-warm: #dc2626;
  --accent-green: #10b981;
  --border: #1a2240;
  --border-light: #253055;
  --radius: 8px;
  --radius-lg: 16px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Outfit', -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ─── NAV ──────────────────────────────────────── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 0 48px; height: 72px;
  display: flex; align-items: center; justify-content: space-between;
  background: rgba(9, 13, 26, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}
nav.scrolled { background: rgba(9, 13, 26, 0.95); }
.nav-logo {
  display: flex; align-items: center; gap: 12px;
  text-decoration: none; color: var(--text-primary);
}
.nav-logo-mark {
  width: 36px; height: 36px; background: #dc2626;
  border-radius: 8px; display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 16px; color: #fff; letter-spacing: -0.5px;
}
.nav-logo-text {
  font-weight: 600; font-size: 18px; letter-spacing: -0.3px;
}
.nav-logo-text span { color: var(--text-muted); font-weight: 400; margin-left: 4px; }
.nav-links { display: flex; align-items: center; gap: 36px; }
.nav-links a {
  color: var(--text-secondary); text-decoration: none;
  font-size: 14px; font-weight: 500; transition: color 0.2s; letter-spacing: 0.2px;
}
.nav-links a:hover, .nav-links a.active { color: var(--text-primary); }
.nav-cta {
  background: var(--accent) !important; color: #fff !important;
  padding: 10px 24px; border-radius: 6px; font-weight: 600 !important;
  transition: background 0.2s, transform 0.2s !important;
}
.nav-cta:hover { background: var(--accent-dim) !important; transform: translateY(-1px); }

/* ─── HERO (shared) ────────────────────────────── */
.hero {
  min-height: 100vh; display: flex; flex-direction: column; justify-content: center;
  padding: 120px 48px 80px; position: relative; overflow: hidden;
}
.hero-video-wrap {
  position: absolute; inset: 0; z-index: 0; overflow: hidden;
}
.hero-video-wrap video {
  width: 100%; height: 100%; object-fit: cover; opacity: 0.75;
}
.hero-video-wrap::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(9,13,26,0.7) 0%, rgba(9,13,26,0.4) 40%, rgba(9,13,26,0.85) 100%);
}
.hero-image-wrap {
  position: absolute; inset: 0; z-index: 0; overflow: hidden;
}
.hero-image-wrap::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(9,13,26,0.7) 0%, rgba(9,13,26,0.4) 40%, rgba(9,13,26,0.85) 100%);
}
.hero-image {
  width: 100%; height: 100%; object-fit: cover; opacity: 0.25;
}
.hero::before {
  content: ''; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: radial-gradient(ellipse 80% 60% at 70% 40%, rgba(75,127,255,0.05), transparent),
              radial-gradient(ellipse 60% 50% at 20% 80%, rgba(16,185,129,0.04), transparent);
}
.hero-content { max-width: 900px; position: relative; z-index: 2; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: 'JetBrains Mono', monospace; font-size: 12px; font-weight: 500;
  color: var(--accent); text-transform: uppercase; letter-spacing: 2px;
  margin-bottom: 28px; padding: 6px 14px;
  border: 1px solid rgba(75,127,255,0.25); border-radius: 20px;
  background: rgba(75,127,255,0.06);
}
.hero-eyebrow::before {
  content: ''; width: 6px; height: 6px; background: var(--accent);
  border-radius: 50%; animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 0%,100%{opacity:1}50%{opacity:0.3} }
.hero h1 {
  font-size: clamp(48px,6vw,80px); font-weight: 700;
  line-height: 1.05; letter-spacing: -2px; margin-bottom: 28px;
}
.hero h1 .grad-blue {
  background: linear-gradient(135deg, #4b7fff 0%, #e0e6f8 45%, #dc2626 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero h1 .grad-green {
  background: linear-gradient(135deg, #10b981, #6ee7b7, #4b7fff);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero h1 .grad-red {
  background: linear-gradient(135deg, #dc2626, #f87171, #4b7fff);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-sub {
  font-size: 20px; color: var(--text-secondary); max-width: 640px;
  line-height: 1.7; margin-bottom: 44px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-visual {
  position: absolute; right: -60px; top: 50%; transform: translateY(-50%);
  width: 580px; height: 480px; opacity: 0.5; pointer-events: none; z-index: 1;
}
.grid-bg {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(75,127,255,0.08) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(75,127,255,0.08) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 70% 70% at center, black, transparent);
}
.grid-dot {
  position: absolute; width: 8px; height: 8px; background: var(--accent);
  border-radius: 50%; opacity: 0; animation: dotPulse 4s ease-in-out infinite;
}
.grid-dot:nth-child(2){top:30%;left:25%;animation-delay:.5s}
.grid-dot:nth-child(3){top:55%;left:60%;animation-delay:1.2s}
.grid-dot:nth-child(4){top:20%;left:75%;animation-delay:2s}
.grid-dot:nth-child(5){top:70%;left:35%;animation-delay:.8s}
.grid-dot:nth-child(6){top:45%;left:45%;animation-delay:1.8s}
@keyframes dotPulse { 0%,100%{opacity:0;transform:scale(.5)}50%{opacity:.8;transform:scale(1)} }

/* ─── BUTTONS ──────────────────────────────────── */
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent); color: #fff; padding: 16px 32px; border-radius: 8px;
  text-decoration: none; font-weight: 600; font-size: 15px;
  transition: all 0.2s; border: none; cursor: pointer;
}
.btn-primary:hover { background: var(--accent-dim); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(75,127,255,0.25); }
.btn-primary.red { background: var(--accent-warm); }
.btn-primary.red:hover { background: #b91c1c; box-shadow: 0 8px 30px rgba(220,38,38,0.25); }
.btn-primary.green { background: var(--accent-green); }
.btn-primary.green:hover { background: #059669; box-shadow: 0 8px 30px rgba(16,185,129,0.25); }
.btn-secondary {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent; color: var(--text-primary); padding: 16px 32px;
  border-radius: 8px; text-decoration: none; font-weight: 600; font-size: 15px;
  transition: all 0.2s; border: 1px solid var(--border-light);
}
.btn-secondary:hover { border-color: var(--text-muted); background: var(--bg-card); }
.btn-arrow { width: 16px; height: 16px; }

/* ─── SECTIONS ─────────────────────────────────── */
section { padding: 120px 48px; }
.section-eyebrow {
  font-family: 'JetBrains Mono', monospace; font-size: 11px; font-weight: 500;
  color: var(--accent); text-transform: uppercase; letter-spacing: 3px; margin-bottom: 16px;
}
.section-title {
  font-size: clamp(36px,4vw,52px); font-weight: 700;
  letter-spacing: -1.5px; line-height: 1.1; margin-bottom: 20px;
}
.section-sub { font-size: 18px; color: var(--text-secondary); max-width: 600px; line-height: 1.7; }
.section-alt {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
}

/* ─── STATS BAR ────────────────────────────────── */
.stats-bar { padding: 0 48px; margin-top: -20px; position: relative; z-index: 2; }
.stats-inner {
  display: grid; grid-template-columns: repeat(4, 1fr);
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
}
.stat-item {
  padding: 40px 36px; border-right: 1px solid var(--border); transition: background 0.3s;
}
.stat-item:last-child { border-right: none; }
.stat-item:hover { background: var(--bg-card-hover); }
.stat-number {
  font-size: 42px; font-weight: 700; letter-spacing: -1.5px; margin-bottom: 4px;
  background: linear-gradient(135deg, var(--text-primary), #4b7fff);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.stat-label { font-size: 14px; color: var(--text-muted); letter-spacing: 0.3px; }

/* ─── DUAL VALUE SPLIT ─────────────────────────── */
.dual-split {
  display: grid; grid-template-columns: 1fr 1fr; gap: 32px; margin-top: 64px;
}
.dual-card {
  padding: 56px 44px; border: 1px solid var(--border);
  border-radius: var(--radius-lg); background: var(--bg-card);
  transition: all 0.4s; position: relative; overflow: hidden;
}
.dual-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  transition: opacity 0.4s; opacity: 0;
}
.dual-card:hover { transform: translateY(-6px); }
.dual-card:hover::before { opacity: 1; }
.dual-card.discover::before { background: linear-gradient(90deg, var(--accent), var(--accent-green)); }
.dual-card.discover:hover { border-color: rgba(75,127,255,0.3); }
.dual-card.protect::before { background: linear-gradient(90deg, var(--accent-warm), var(--accent)); }
.dual-card.protect:hover { border-color: rgba(220,38,38,0.3); }
.dual-card-num {
  font-size: 72px; font-weight: 800; line-height: 1;
  margin-bottom: 20px; transition: color 0.3s;
}
.dual-card.discover .dual-card-num { color: rgba(75,127,255,0.15); }
.dual-card.discover:hover .dual-card-num { color: rgba(75,127,255,0.3); }
.dual-card.protect .dual-card-num { color: rgba(220,38,38,0.15); }
.dual-card.protect:hover .dual-card-num { color: rgba(220,38,38,0.3); }
.dual-card h3 { font-size: 28px; font-weight: 700; letter-spacing: -0.5px; margin-bottom: 16px; }
.dual-card p { color: var(--text-secondary); font-size: 16px; line-height: 1.7; margin-bottom: 28px; }
.dual-card .btn-primary { font-size: 14px; padding: 12px 24px; }

/* ─── GENERIC CARDS ────────────────────────────── */
.card-grid { display: grid; gap: 24px; margin-top: 64px; }
.card-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.card-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.card {
  padding: 40px 32px; background: var(--bg-card);
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  transition: all 0.3s; position: relative; overflow: hidden;
}
.card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0; transition: opacity 0.3s;
}
.card:hover { border-color: var(--border-light); transform: translateY(-4px); }
.card:hover::before { opacity: 1; }
.card-icon {
  width: 48px; height: 48px; background: var(--accent-glow);
  border: 1px solid rgba(75,127,255,0.2); border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 24px;
}
.card h3 { font-size: 20px; font-weight: 600; letter-spacing: -0.3px; margin-bottom: 12px; }
.card p { color: var(--text-secondary); font-size: 14px; line-height: 1.7; }

/* ─── STEPS (1-2-3 visual) ─────────────────────── */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-top: 64px; position: relative; }
.steps::before {
  content: ''; position: absolute; top: 40px; left: 15%; right: 15%;
  height: 1px; background: linear-gradient(90deg, transparent, var(--border-light), var(--border-light), transparent);
}
.step { text-align: center; position: relative; }
.step-num {
  width: 64px; height: 64px; border-radius: 50%; margin: 0 auto 24px;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; font-weight: 700;
  background: var(--bg-card); border: 2px solid var(--accent);
  color: var(--accent); position: relative; z-index: 1;
}
.step h3 { font-size: 20px; font-weight: 600; margin-bottom: 12px; }
.step p { color: var(--text-secondary); font-size: 14px; line-height: 1.7; max-width: 320px; margin: 0 auto; }

/* ─── AUDIENCE CARDS ───────────────────────────── */
.audience-card {
  padding: 44px 36px; border: 1px solid var(--border);
  border-radius: var(--radius-lg); background: var(--bg-card); transition: all 0.3s;
}
.audience-card:hover { border-color: var(--accent); transform: translateY(-4px); }
.audience-card:hover .audience-num { color: var(--accent); }
.audience-num {
  font-size: 60px; font-weight: 700; color: var(--border-light);
  line-height: 1; margin-bottom: 20px; transition: color 0.3s;
}
.audience-card h3 { font-size: 24px; font-weight: 600; letter-spacing: -0.5px; margin-bottom: 16px; }
.audience-card p { color: var(--text-secondary); font-size: 15px; line-height: 1.7; margin-bottom: 24px; }
.audience-features { display: flex; flex-direction: column; gap: 10px; }
.audience-feature {
  display: flex; align-items: center; gap: 10px;
  font-size: 13px; color: var(--text-secondary);
}
.audience-feature::before {
  content: ''; width: 5px; height: 5px; background: var(--accent);
  border-radius: 50%; flex-shrink: 0;
}

/* ─── DATA FLOW ────────────────────────────────── */
.data-flow-wrapper { margin-top: 64px; position: relative; }
.data-flow-diagram { position: relative; }
.data-flow-svg { width: 100%; height: auto; display: block; }
.data-flow-labels { position: absolute; top: 0; left: 0; right: 0; bottom: 0; pointer-events: none; }
.flow-label {
  position: absolute; font-size: 12px; font-family: 'JetBrains Mono', monospace;
  padding: 6px 12px; border-radius: 6px; background: var(--bg-card);
  border: 1px solid var(--border); color: var(--text-secondary);
  white-space: nowrap; pointer-events: auto; transition: border-color 0.3s, color 0.3s;
}
.flow-label:hover { border-color: var(--accent); color: var(--text-primary); }
.flow-label.source::before, .flow-label.output::before {
  content: ''; display: inline-block; width: 6px; height: 6px;
  border-radius: 50%; margin-right: 8px; vertical-align: middle;
}
.flow-label.source::before { background: var(--accent); }
.flow-label.output::before { background: var(--accent-green); }

/* ─── METHODOLOGY ──────────────────────────────── */
.method-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; margin-top: 64px; align-items: start; }
.method-text h3 { font-size: 28px; font-weight: 600; letter-spacing: -0.5px; margin-bottom: 20px; }
.method-text p { color: var(--text-secondary); font-size: 15px; line-height: 1.8; margin-bottom: 16px; }
.method-refs { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 10px; }
.method-ref {
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
  padding: 6px 12px; border: 1px solid var(--border); border-radius: 6px; color: var(--text-muted);
}
.method-visual {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 36px;
}
.method-score-section { margin-bottom: 28px; }
.method-score-section:last-child { margin-bottom: 0; }
.method-score-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.method-score-title { font-size: 15px; font-weight: 600; }
.method-score-pts { font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--accent); }
.method-factor {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 0; border-bottom: 1px solid var(--border); font-size: 13px;
}
.method-factor:last-child { border-bottom: none; }
.method-factor-name { color: var(--text-secondary); }
.method-factor-bar { width: 80px; height: 4px; background: var(--border); border-radius: 2px; overflow: hidden; }
.method-factor-fill { height: 100%; border-radius: 2px; }

/* ─── PLATFORM DEMO ────────────────────────────── */
.platform-demo {
  margin-top: 48px; background: var(--bg-card);
  border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden;
}
.platform-demo-bar {
  height: 44px; background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; padding: 0 16px; gap: 8px;
}
.platform-demo-dot { width: 12px; height: 12px; border-radius: 50%; background: var(--border-light); }
.platform-demo-dot:first-child{background:#ef4444}.platform-demo-dot:nth-child(2){background:#f59e0b}.platform-demo-dot:nth-child(3){background:#10b981}
.platform-demo-url {
  margin-left: 12px; font-family: 'JetBrains Mono', monospace; font-size: 12px;
  color: var(--text-muted); background: var(--bg-card);
  padding: 4px 16px; border-radius: 6px; border: 1px solid var(--border);
}
.platform-demo-body { height: 480px; display: flex; background: #0b1020; }
.demo-sidebar {
  width: 260px; border-right: 1px solid var(--border);
  padding: 20px; display: flex; flex-direction: column; gap: 12px;
}
.demo-sidebar-item {
  padding: 10px 14px; border-radius: 8px; font-size: 13px;
  color: var(--text-secondary); display: flex; align-items: center; gap: 10px;
}
.demo-sidebar-item.active {
  background: var(--accent-glow); color: var(--accent);
  border: 1px solid rgba(75,127,255,0.2);
}
.demo-sidebar-item .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--text-muted); }
.demo-sidebar-item.active .dot { background: var(--accent); }
.demo-map {
  flex: 1; position: relative; overflow: hidden;
  background: radial-gradient(ellipse 50% 50% at 55% 45%, rgba(16,185,129,0.08), transparent),
              radial-gradient(ellipse 30% 30% at 35% 60%, rgba(75,127,255,0.06), transparent), #0b1020;
}
.demo-map-grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(75,127,255,0.04) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(75,127,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}
.demo-marker {
  position: absolute; width: 10px; height: 10px; border-radius: 50%;
  animation: markerPulse 3s ease-in-out infinite;
}
.demo-marker::after {
  content: ''; position: absolute; inset: -6px; border-radius: 50%;
  border: 1px solid; opacity: 0.3;
}
.demo-marker.red{background:#ef4444}.demo-marker.red::after{border-color:#ef4444}
.demo-marker.yellow{background:#f59e0b}.demo-marker.yellow::after{border-color:#f59e0b}
.demo-marker.green{background:#10b981}.demo-marker.green::after{border-color:#10b981}
.demo-marker.blue{background:var(--accent)}.demo-marker.blue::after{border-color:var(--accent)}
@keyframes markerPulse { 0%,100%{transform:scale(1)}50%{transform:scale(1.2)} }
.demo-panel {
  width: 280px; border-left: 1px solid var(--border); padding: 20px; overflow: hidden;
}
.demo-panel-title { font-size: 14px; font-weight: 600; margin-bottom: 16px; }
.demo-score-bar { margin-bottom: 14px; }
.demo-score-label { display: flex; justify-content: space-between; font-size: 11px; color: var(--text-muted); margin-bottom: 4px; }
.demo-score-track { height: 6px; background: var(--border); border-radius: 3px; overflow: hidden; }
.demo-score-fill { height: 100%; border-radius: 3px; }
.demo-score-fill.high{background:#ef4444}.demo-score-fill.med{background:#f59e0b}.demo-score-fill.good{background:#10b981}
.demo-tag {
  display: inline-block; font-size: 10px; font-family: 'JetBrains Mono', monospace;
  padding: 3px 8px; border-radius: 4px; margin: 2px 4px 2px 0;
}
.demo-tag.critical{background:rgba(239,68,68,0.15);color:#ef4444;border:1px solid rgba(239,68,68,0.2)}
.demo-tag.warning{background:rgba(245,158,11,0.15);color:#f59e0b;border:1px solid rgba(245,158,11,0.2)}
.demo-tag.ok{background:rgba(16,185,129,0.15);color:#10b981;border:1px solid rgba(16,185,129,0.2)}

/* ─── CTA SECTION ──────────────────────────────── */
.cta-section {
  text-align: center; background: var(--bg-secondary);
  border-top: 1px solid var(--border);
}
.cta-section .section-title { margin: 0 auto 16px; }
.cta-section .section-sub { margin: 0 auto 44px; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; }

/* ─── SUBPAGE HERO (shorter) ───────────────────── */
.hero-sub-page { min-height: auto; padding-bottom: 60px; }
.hero-sub-page h1 { font-size: clamp(40px, 5vw, 64px); }

/* ─── ABOUT PAGE ───────────────────────────────── */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; margin-top: 64px; align-items: start; }
.about-text h3 { font-size: 24px; font-weight: 600; margin-bottom: 16px; }
.about-text p { color: var(--text-secondary); font-size: 15px; line-height: 1.8; margin-bottom: 20px; }
.about-sidebar {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 40px;
}
.about-sidebar h4 { font-size: 13px; text-transform: uppercase; letter-spacing: 2px; color: var(--accent); margin-bottom: 20px;
  font-family: 'JetBrains Mono', monospace; }
.about-detail { padding: 12px 0; border-bottom: 1px solid var(--border); }
.about-detail:last-child { border-bottom: none; }
.about-detail-label { font-size: 12px; color: var(--text-muted); margin-bottom: 4px; }
.about-detail-value { font-size: 15px; color: var(--text-primary); }

/* ─── CONTACT ──────────────────────────────────── */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; margin-top: 64px; }
.contact-info h3 { font-size: 24px; font-weight: 600; margin-bottom: 24px; }
.contact-item { display: flex; gap: 16px; margin-bottom: 24px; }
.contact-item-icon {
  width: 44px; height: 44px; background: var(--accent-glow);
  border: 1px solid rgba(75,127,255,0.2); border-radius: 10px;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.contact-item-text { font-size: 15px; }
.contact-item-text a { color: var(--accent); text-decoration: none; }
.contact-item-label { font-size: 12px; color: var(--text-muted); margin-bottom: 4px; }
.contact-form-placeholder {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 48px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  min-height: 300px; text-align: center;
}
.contact-form-placeholder p { color: var(--text-muted); font-size: 15px; margin-top: 12px; }

/* ─── FOOTER ───────────────────────────────────── */
footer {
  padding: 64px 48px 40px; border-top: 1px solid var(--border);
}
.footer-inner { display: flex; justify-content: space-between; align-items: flex-start; }
.footer-brand { max-width: 320px; }
.footer-brand .nav-logo { margin-bottom: 16px; }
.footer-brand p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }
.footer-links { display: flex; gap: 80px; }
.footer-col h4 {
  font-size: 13px; font-weight: 600; color: var(--text-primary);
  margin-bottom: 16px; text-transform: uppercase; letter-spacing: 1px;
}
.footer-col a {
  display: block; font-size: 14px; color: var(--text-muted);
  text-decoration: none; margin-bottom: 10px; transition: color 0.2s;
}
.footer-col a:hover { color: var(--text-secondary); }
.footer-bottom {
  margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; font-size: 13px; color: var(--text-muted);
}

/* ─── ANIMATIONS ───────────────────────────────── */
.fade-in { opacity: 1; transform: none; }
.fade-in.visible { opacity: 1; transform: none; }

/* ─── RESPONSIVE ───────────────────────────────── */
@media (max-width: 1024px) {
  nav{padding:0 24px} section{padding:80px 24px}
  .hero{padding:100px 24px 60px} .stats-bar{padding:0 24px}
  .stats-inner{grid-template-columns:repeat(2,1fr)} .stat-item:nth-child(2){border-right:none}
  .dual-split,.card-grid.cols-2,.method-grid,.about-grid,.contact-grid{grid-template-columns:1fr}
  .card-grid.cols-3{grid-template-columns:1fr 1fr}
  .hero-visual{display:none} .platform-demo-body{height:360px} .demo-panel{display:none}
  footer{padding:48px 24px 32px} .footer-inner{flex-direction:column;gap:40px}
  .steps{grid-template-columns:1fr;gap:48px} .steps::before{display:none}
}
@media (max-width: 640px) {
  .nav-links{display:none} .stats-inner{grid-template-columns:1fr 1fr}
  .card-grid.cols-3{grid-template-columns:1fr}
  .hero-actions,.cta-buttons{flex-direction:column}
  .hero-actions a,.cta-buttons a{text-align:center}
  .platform-demo-body{height:280px} .demo-sidebar{width:180px}
  .footer-links{flex-direction:column;gap:32px}
}