/* ═══════════════════════════════════════════════════════════════
   ApertureAI — Main Stylesheet
   Theme: Deep Medical Dark + Electric Blue accents
   ═══════════════════════════════════════════════════════════════ */

:root {
  --bg-base:      #0a0e1a;
  --bg-surface:   #0f1525;
  --bg-elevated:  #161d35;
  --bg-card:      #1a2240;

  --blue-primary: #3b82f6;
  --blue-light:   #60a5fa;
  --blue-dark:    #1d4ed8;
  --blue-glow:    rgba(59, 130, 246, 0.15);

  --cyan:         #06b6d4;
  --green:        #10b981;
  --amber:        #f59e0b;
  --red:          #ef4444;

  --text-primary:   #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted:     #475569;

  --border:       rgba(59, 130, 246, 0.15);
  --border-hover: rgba(59, 130, 246, 0.4);

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  28px;

  --shadow-sm: 0 2px 8px rgba(0,0,0,0.4);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.5);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.6);
  --shadow-glow: 0 0 40px rgba(59,130,246,0.2);

  --transition: 0.2s ease;
  --transition-slow: 0.4s ease;
}

/* ── RESET & BASE ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

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

a { color: var(--blue-light); text-decoration: none; transition: color var(--transition); }
a:hover { color: white; }

ul { list-style: none; }

code {
  font-family: 'JetBrains Mono', monospace;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--cyan);
  display: inline-block;
  margin-top: 6px;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--bg-elevated); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--blue-dark); }

/* ════════════════════════════════════
   CONTAINER
   ════════════════════════════════════ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ════════════════════════════════════
   BUTTONS
   ════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--blue-primary);
  color: white;
  box-shadow: 0 4px 20px rgba(59,130,246,0.3);
}
.btn-primary:hover {
  background: var(--blue-light);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(59,130,246,0.5);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  border-color: var(--blue-primary);
  color: var(--blue-light);
  background: var(--blue-glow);
}

.btn-nav {
  background: var(--blue-primary);
  color: white;
  padding: 8px 20px;
  font-size: 0.9rem;
}
.btn-nav:hover { background: var(--blue-light); color: white; }

.btn-full { width: 100%; justify-content: center; }

.btn-icon { font-size: 1.1rem; }

/* ════════════════════════════════════
   NAVBAR
   ════════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(10, 14, 26, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: all var(--transition);
}

.navbar.scrolled {
  background: rgba(10, 14, 26, 0.98);
  box-shadow: var(--shadow-md);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 70px;
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.3rem;
  color: white;
  flex-shrink: 0;
}

.brand-icon {
  font-size: 1.6rem;
  color: var(--blue-primary);
  line-height: 1;
}

.nav-links {
  display: flex;
  gap: 8px;
  flex: 1;
}

.nav-link {
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.95rem;
  transition: all var(--transition);
}

.nav-link:hover, .nav-link.active {
  color: white;
  background: var(--blue-glow);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.4rem;
  cursor: pointer;
  margin-left: auto;
}

.mobile-menu {
  display: none;
  flex-direction: column;
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  gap: 4px;
}

.mobile-link {
  color: var(--text-secondary);
  padding: 10px 0;
  font-weight: 500;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  display: block;
}

.mobile-link:hover { color: white; }

@media (max-width: 768px) {
  .nav-links, .btn-nav { display: none; }
  .mobile-menu-btn { display: block; }
  .mobile-menu.open { display: flex; }
}

/* ════════════════════════════════════
   SECTION HEADERS
   ════════════════════════════════════ */
.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  display: inline-block;
  background: var(--blue-glow);
  border: 1px solid var(--border);
  color: var(--blue-light);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 20px;
}

.section-title {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ════════════════════════════════════
   HERO
   ════════════════════════════════════ */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 64px;
  padding: 120px 64px 80px;
  position: relative;
  overflow: hidden;
  max-width: 1400px;
  margin: 0 auto;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(59,130,246,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,130,246,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.3;
}

.hero-orb-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, var(--blue-primary), transparent);
  top: -100px; left: -100px;
}

.hero-orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, var(--cyan), transparent);
  bottom: -100px; right: 0;
}

.hero-content { position: relative; z-index: 1; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--blue-glow);
  border: 1px solid var(--border);
  color: var(--blue-light);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 100px;
  margin-bottom: 28px;
}

.badge-dot {
  width: 8px; height: 8px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 24px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--blue-primary), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 520px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}

.stat { text-align: left; }

.stat-num {
  display: block;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--blue-light);
  line-height: 1;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.stat-label small { display: block; color: var(--text-muted); font-size: 0.75rem; }

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* ── Hero Visual ── */
.hero-visual { position: relative; z-index: 1; }

.scan-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-12px); }
}

.scan-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
}

.scan-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--blue-light);
}

.scan-pulse {
  width: 10px; height: 10px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse 1.5s infinite;
}

.scan-body { padding: 20px; }

.scan-image-placeholder {
  background: #050810;
  border-radius: var(--radius-md);
  height: 160px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(59,130,246,0.1);
}

.scan-lines {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-evenly;
  padding: 10px;
  opacity: 0.15;
}

.scan-line {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--blue-light), transparent);
  animation: scanLine 3s ease-in-out infinite;
}

.scan-line:nth-child(2) { animation-delay: 1s; }
.scan-line:nth-child(3) { animation-delay: 2s; }

@keyframes scanLine {
  0%, 100% { opacity: 0; transform: translateX(-20px); }
  50% { opacity: 1; transform: translateX(0); }
}

.scan-icon { font-size: 3.5rem; z-index: 1; }

.scan-overlay-text {
  position: absolute;
  bottom: 8px;
  right: 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  color: var(--blue-light);
  opacity: 0.7;
  letter-spacing: 0.05em;
}

.scan-findings { display: flex; flex-direction: column; gap: 8px; }

.finding-row {
  display: flex;
  gap: 8px;
  font-size: 0.85rem;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
}

.finding-row.highlight {
  background: var(--blue-glow);
  border: 1px solid var(--border);
}

.finding-key { color: var(--text-muted); font-weight: 600; white-space: nowrap; }
.finding-val { color: var(--text-primary); }

.typing-text::after {
  content: '|';
  animation: blink 1s infinite;
  color: var(--blue-primary);
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.scan-footer {
  padding: 12px 20px;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.status-dot { width: 8px; height: 8px; border-radius: 50%; }
.status-dot.green { background: var(--green); }

@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 100px 24px 60px;
    text-align: center;
  }
  .hero-subtitle, .hero-cta, .hero-stats { justify-content: center; }
  .hero-subtitle { margin-left: auto; margin-right: auto; }
  .scan-card { max-width: 480px; margin: 0 auto; }
}

/* ════════════════════════════════════
   ABOUT
   ════════════════════════════════════ */
.about {
  padding: 100px 0;
  background: var(--bg-surface);
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin-bottom: 64px;
}

.about-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all var(--transition-slow);
}

.about-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md), var(--shadow-glow);
}

.card-icon { font-size: 2rem; margin-bottom: 16px; }

.about-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.about-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* Founder section */
.founder-section { margin-top: 20px; }

.founder-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px;
  display: flex;
  gap: 40px;
  align-items: flex-start;
  box-shadow: var(--shadow-md);
}

.founder-avatar {
  width: 80px; height: 80px;
  min-width: 80px;
  background: linear-gradient(135deg, var(--blue-dark), var(--cyan));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  font-weight: 800;
  color: white;
}

.founder-info h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.founder-title {
  color: var(--blue-light);
  font-size: 0.9rem;
  margin-bottom: 14px;
}

.founder-bio {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
  font-size: 0.95rem;
}

.founder-creds {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.cred-badge {
  background: var(--blue-glow);
  border: 1px solid var(--border);
  color: var(--blue-light);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 100px;
}

@media (max-width: 640px) {
  .founder-card { flex-direction: column; padding: 28px; gap: 20px; }
}

/* ════════════════════════════════════
   DEMO
   ════════════════════════════════════ */
.demo {
  padding: 100px 0;
  background: var(--bg-base);
}

/* Demo Tabs */
.demo-tabs {
  display: flex;
  gap: 12px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.demo-tab {
  padding: 12px 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition);
}

.demo-tab:hover {
  border-color: var(--blue-primary);
  color: var(--blue-light);
}

.demo-tab.active {
  background: var(--blue-primary);
  border-color: var(--blue-primary);
  color: white;
  box-shadow: 0 4px 20px rgba(59,130,246,0.3);
}

.demo-panel { display: none; }
.demo-panel.active { display: block; }

.demo-description {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 28px;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* ── Decision Tree ── */
.decision-tree {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 36px;
  min-height: 300px;
}

.dt-step { display: none; }
.dt-step.active { display: block; }
.dt-result { display: none; }
.dt-result.active { display: block; }

.dt-step-header {
  margin-bottom: 28px;
}

.step-num {
  display: inline-block;
  background: var(--blue-glow);
  border: 1px solid var(--border);
  color: var(--blue-light);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 10px;
}

.dt-step-header h3 {
  font-size: 1.3rem;
  font-weight: 700;
}

.dt-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}

.dt-option {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  text-align: left;
  color: var(--text-primary);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  line-height: 1.4;
}

.dt-option:hover {
  border-color: var(--blue-primary);
  background: var(--blue-glow);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(59,130,246,0.2);
}

.dt-option.urgent {
  border-left: 3px solid var(--red);
}
.dt-option.urgent:hover { border-color: var(--red); background: rgba(239,68,68,0.1); }

.dt-back {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.85rem;
  transition: all var(--transition);
}

.dt-back:hover { color: var(--text-primary); border-color: var(--text-muted); }

/* Decision Tree Results */
.result-header {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  padding: 24px 28px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.result-header.urgent-bg { border-left: 4px solid var(--red); }
.result-header.no-imaging-bg { border-left: 4px solid var(--green); }

.result-icon { font-size: 2rem; }

.result-header h3 {
  font-size: 1.2rem;
  font-weight: 700;
  flex: 1;
}

.acuity-badge {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 5px 14px;
  border-radius: 100px;
}

.acuity-badge.urgent { background: rgba(239,68,68,0.2); color: var(--red); border: 1px solid rgba(239,68,68,0.3); }
.acuity-badge.routine { background: rgba(59,130,246,0.15); color: var(--blue-light); border: 1px solid var(--border); }
.acuity-badge.low { background: rgba(16,185,129,0.15); color: var(--green); border: 1px solid rgba(16,185,129,0.3); }

.result-body {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-top: none;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.result-section h4 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.result-section p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
}

.acr-bar {
  background: var(--bg-elevated);
  border-radius: 100px;
  height: 28px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.acr-bar.low .acr-fill { background: linear-gradient(90deg, var(--amber), #f97316); }

.acr-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--blue-dark), var(--blue-primary));
  border-radius: 100px;
  display: flex;
  align-items: center;
  padding: 0 14px;
  font-size: 0.8rem;
  font-weight: 600;
  color: white;
  min-width: 60px;
  white-space: nowrap;
  transition: width 0.8s ease;
}

.result-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.result-list li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding: 4px 0;
  border-bottom: 1px solid rgba(255,255,255,0.03);
}

.result-actions {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  padding: 20px 28px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* Breadcrumb */
.dt-breadcrumb {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  min-height: 28px;
}

.bc-item {
  font-size: 0.8rem;
  color: var(--text-muted);
  background: var(--bg-elevated);
  padding: 3px 10px;
  border-radius: 100px;
  border: 1px solid var(--border);
}

.bc-arrow { color: var(--text-muted); font-size: 0.75rem; }

/* ── Report Builder ── */
.report-builder {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 28px;
  align-items: start;
}

.report-controls {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.control-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}

.control-group select,
.control-group textarea,
.control-group input {
  width: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: inherit;
  outline: none;
  transition: border-color var(--transition);
}

.control-group select:focus,
.control-group textarea:focus,
.control-group input:focus {
  border-color: var(--blue-primary);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
}

.control-group textarea { min-height: 90px; resize: vertical; }

.report-output {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  min-height: 460px;
  overflow: hidden;
}

.report-placeholder {
  height: 100%;
  min-height: 460px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: var(--text-muted);
  padding: 40px;
  text-align: center;
}

.placeholder-icon { font-size: 3rem; opacity: 0.4; }

/* Generated Report Styles */
.report-document {
  padding: 36px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  line-height: 1.8;
}

.report-doc-header {
  border-bottom: 2px solid var(--blue-primary);
  padding-bottom: 20px;
  margin-bottom: 24px;
}

.report-doc-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--blue-light);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.report-meta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 24px;
  font-size: 0.78rem;
}

.report-meta-row { display: flex; gap: 8px; }
.report-meta-key { color: var(--text-muted); white-space: nowrap; }
.report-meta-val { color: var(--text-primary); }

.report-section-title {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--blue-light);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin: 20px 0 10px;
  border-left: 3px solid var(--blue-primary);
  padding-left: 10px;
}

.report-text {
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.8;
  white-space: pre-wrap;
}

.report-impression {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-top: 8px;
}

.report-impression.critical {
  border-color: rgba(239,68,68,0.4);
  background: rgba(239,68,68,0.05);
}

.report-impression.normal {
  border-color: rgba(16,185,129,0.3);
  background: rgba(16,185,129,0.05);
}

.report-signature {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: gap;
}

.sig-pending {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(245,158,11,0.1);
  border: 1px solid rgba(245,158,11,0.3);
  color: var(--amber);
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-size: 0.8rem;
  font-weight: 600;
}

.sig-ai-label {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.report-disclaimer {
  margin-top: 20px;
  padding: 14px 18px;
  background: rgba(245,158,11,0.05);
  border: 1px solid rgba(245,158,11,0.15);
  border-radius: var(--radius-md);
  font-size: 0.83rem;
  color: var(--text-muted);
  line-height: 1.5;
}

@media (max-width: 900px) {
  .report-builder { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .decision-tree { padding: 20px; }
  .dt-options { grid-template-columns: 1fr; }
}

/* ════════════════════════════════════
   CONTACT
   ════════════════════════════════════ */
.contact {
  padding: 100px 0;
  background: var(--bg-surface);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 64px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-icon { font-size: 1.5rem; margin-top: 2px; }

.contact-item h4 {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.contact-item p, .contact-item a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.contact-item a:hover { color: var(--blue-light); }

/* Contact Form */
.contact-form {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: inherit;
  outline: none;
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue-primary);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.12);
}

.form-group textarea { min-height: 110px; resize: vertical; }

.form-note {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: -8px;
}

.form-success {
  text-align: center;
  background: rgba(16,185,129,0.1);
  border: 1px solid rgba(16,185,129,0.3);
  color: var(--green);
  padding: 14px;
  border-radius: var(--radius-md);
  font-weight: 600;
}

@media (max-width: 1024px) {
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .form-row { grid-template-columns: 1fr; }
}

/* ════════════════════════════════════
   FOOTER
   ════════════════════════════════════ */
.footer {
  background: var(--bg-base);
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-top: 12px;
  max-width: 280px;
}

.footer-legal {
  margin-top: 8px !important;
  font-size: 0.8rem !important;
  color: var(--text-muted) !important;
}

.footer-links h4 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.footer-links ul { display: flex; flex-direction: column; gap: 10px; }

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color var(--transition);
}

.footer-links a:hover { color: var(--blue-light); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.6;
}

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 640px) {
  .footer-grid { grid-template-columns: 1fr; }
  .hero { padding: 90px 20px 60px; }
}

/* ════════════════════════════════════
   ANIMATIONS & UTILITIES
   ════════════════════════════════════ */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Generating spinner */
@keyframes spin {
  to { transform: rotate(360deg); }
}

.spinner {
  width: 20px; height: 20px;
  border: 2px solid rgba(255,255,255,0.2);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}

/* select options in dark mode */
option { background: var(--bg-elevated); color: var(--text-primary); }