@font-face {
  font-family: 'Neue Haas Grotesk';
  src: url('./assets/fonts/NeueHaasGroteskTextPro-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Neue Haas Grotesk';
  src: url('./assets/fonts/NeueHaasGroteskTextPro-Bold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Neue Haas Grotesk';
  src: url('./assets/fonts/NeueHaasGroteskTextPro-Italic.ttf') format('truetype');
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

/* ─── CSS Custom Properties (Design Tokens) ────────────────────── */
:root {
  /* Colors - Dark Mode (default) */
  --bg-primary: #0a0e1a;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.7);
  --bg-card-hover: rgba(31, 41, 55, 0.8);
  --bg-glass: rgba(17, 24, 39, 0.5);
  --bg-input: rgba(31, 41, 55, 0.6);

  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-inverse: #0a0e1a;

  /* branding tec.nicum */
  --brand-blue: #00377b;
  --brand-turquoise: #06b5cd;

  --accent-primary: var(--brand-turquoise);
  --accent-secondary: var(--brand-blue);
  --accent-gradient: linear-gradient(135deg, var(--brand-blue), var(--brand-turquoise));
  --accent-glow: rgba(6, 181, 205, 0.15);

  --success: #22c55e;
  --success-bg: rgba(34, 197, 94, 0.1);
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.1);
  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.1);

  --border: rgba(148, 163, 184, 0.1);
  --border-hover: rgba(148, 163, 184, 0.2);

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Radius */
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px rgba(6, 181, 205, 0.1);

  /* Typography */
  --font-sans: 'Neue Haas Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

.brand-name {
  text-transform: lowercase;
}

/* ─── Light Mode ────────────────────────────────────────────────── */
[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.8);
  --bg-card-hover: rgba(248, 250, 252, 0.9);
  --bg-glass: rgba(255, 255, 255, 0.6);
  --bg-input: rgba(241, 245, 249, 0.8);

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --text-inverse: #f1f5f9;

  --accent-glow: rgba(6, 182, 212, 0.08);
  --border: rgba(15, 23, 42, 0.08);
  --border-hover: rgba(15, 23, 42, 0.15);

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 40px rgba(6, 182, 212, 0.06);
}

/* ─── Global Reset & Base ───────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background var(--transition-slow), color var(--transition-slow);
}

body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, var(--accent-glow), transparent),
    radial-gradient(ellipse 60% 40% at 80% 100%, rgba(59, 130, 246, 0.05), transparent);
  pointer-events: none;
  z-index: 0;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

a {
  color: var(--accent-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover { color: var(--accent-secondary); }

/* ─── Header ────────────────────────────────────────────────────── */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-glass);
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: var(--space-lg);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  color: var(--text-primary);
}

.logo-icon {
  flex-shrink: 0;
  transition: transform var(--transition-base);
}
.logo:hover .logo-icon { transform: scale(1.08); }

.logo-name {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-sub {
  display: block;
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: lowercase;
  margin-top: -2px;
}

.nav {
  display: flex;
  gap: var(--space-xs);
}

.nav-link {
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}
.nav-link:hover {
  color: var(--text-primary);
  background: var(--bg-input);
}
.nav-link.active {
  color: var(--accent-primary);
  background: var(--accent-glow);
}

.theme-toggle {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-input);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-base);
}
.theme-toggle svg {
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.theme-toggle:hover {
  color: var(--text-primary);
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
}
.theme-toggle:hover svg {
  transform: rotate(15deg) scale(1.1);
}
.theme-toggle:active {
  transform: scale(0.95);
}

/* ─── Main ──────────────────────────────────────────────────────── */
.main {
  flex: 1;
  position: relative;
  z-index: 1;
  padding: var(--space-2xl) 0;
}

/* ─── Hero Section ──────────────────────────────────────────────── */
.hero {
  text-align: center;
  padding: var(--space-3xl) 0 var(--space-2xl);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  background: var(--accent-glow);
  border: 1px solid rgba(6, 182, 212, 0.2);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-primary);
  letter-spacing: 0.05em;
  text-transform: lowercase;
  margin-bottom: var(--space-lg);
  animation: fadeInDown 0.6s ease-out;
}

.hero-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-primary);
  animation: pulse 2s ease-in-out infinite;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: var(--space-md);
  animation: fadeInUp 0.6s ease-out 0.1s both;
}

.hero h1 .gradient {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto var(--space-2xl);
  animation: fadeInUp 0.6s ease-out 0.2s both;
}

/* ─── Search Box ────────────────────────────────────────────────── */
.search-box {
  max-width: 640px;
  margin: 0 auto;
  animation: fadeInUp 0.6s ease-out 0.3s both;
}

.search-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: var(--space-lg);
  color: var(--text-muted);
  pointer-events: none;
  transition: color var(--transition-fast);
}

.search-input {
  width: 100%;
  padding: var(--space-lg) var(--space-lg) var(--space-lg) 3.5rem;
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 1rem;
  backdrop-filter: blur(10px);
  transition: all var(--transition-base);
  outline: none;
}
.search-input::placeholder {
  color: var(--text-muted);
}
.search-input:focus {
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-glow);
}
.search-input:focus ~ .search-icon {
  color: var(--accent-primary);
}

.search-btn {
  position: absolute;
  right: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  border: none;
  border-radius: var(--radius-md);
  background: var(--accent-gradient);
  color: white;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.search-btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(6, 182, 212, 0.3);
}
.search-btn:active {
  transform: translateY(0) scale(0.95);
}

.search-hint {
  margin-top: var(--space-sm);
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
}

/* ─── Stats Grid ────────────────────────────────────────────────── */
.stats-section {
  margin-top: var(--space-3xl);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  backdrop-filter: blur(10px);
  transition: all var(--transition-base);
  animation: fadeInUp 0.5s ease-out both;
}
.stat-card:nth-child(1) { animation-delay: 0.1s; }
.stat-card:nth-child(2) { animation-delay: 0.2s; }
.stat-card:nth-child(3) { animation-delay: 0.3s; }
.stat-card:nth-child(4) { animation-delay: 0.4s; }

.stat-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  font-size: 1.5rem;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), background-color var(--transition-base);
}

.stat-icon svg {
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), stroke var(--transition-base);
}

.stat-card:hover .stat-icon {
  transform: translateY(-4px) scale(1.1);
}

.stat-card:hover .stat-icon svg {
  transform: scale(1.1) rotate(5deg);
}

.stat-card:active .stat-icon {
  transform: scale(0.95);
}
.stat-icon.blue { background: rgba(59, 130, 246, 0.12); color: #3b82f6; }
.stat-icon.cyan { background: rgba(6, 182, 212, 0.12); color: #06b6d4; }
.stat-icon.green { background: rgba(34, 197, 94, 0.12); color: #22c55e; }
.stat-icon.amber { background: rgba(245, 158, 11, 0.12); color: #f59e0b; }

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.stat-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: lowercase;
  letter-spacing: 0.06em;
}

/* ─── Demo Badge ────────────────────────────────────────────────── */
.demo-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--warning-bg);
  border: 1px solid rgba(245, 158, 11, 0.2);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-xl);
  font-size: 0.8rem;
  color: var(--warning);
  text-align: center;
}

/* ─── Certificate Cards ─────────────────────────────────────────── */
.results-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
}

.results-header h2 {
  font-size: 1.25rem;
  font-weight: 700;
}

.results-count {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 500;
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--space-lg);
}

.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  backdrop-filter: blur(10px);
  cursor: pointer;
  transition: all var(--transition-base);
  animation: fadeInUp 0.4s ease-out both;
}
.cert-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(6, 182, 212, 0.08);
}

.cert-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.cert-course-name {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.4;
  flex: 1;
}

.cert-status {
  flex-shrink: 0;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: lowercase;
  letter-spacing: 0.06em;
}
.cert-status.valid {
  background: var(--success-bg);
  color: var(--success);
  border: 1px solid rgba(34, 197, 94, 0.2);
}
.cert-status.expired {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.cert-card-meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.cert-meta-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.cert-meta-row svg { flex-shrink: 0; color: var(--text-muted); }

.cert-id {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: var(--space-sm);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--border);
}

/* ─── Certificate Detail Page ───────────────────────────────────── */
.cert-detail {
  max-width: 800px;
  margin: 0 auto;
}

.cert-detail-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-lg);
  animation: fadeInUp 0.5s ease-out;
}

.cert-detail-header {
  background: var(--accent-gradient);
  padding: var(--space-2xl) var(--space-xl);
  text-align: center;
  color: white;
  position: relative;
  overflow: hidden;
}

.cert-detail-header::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M0 40L40 0H20L0 20M40 40V20L20 40'/%3E%3C/g%3E%3C/svg%3E");
}

.cert-detail-header > * { position: relative; z-index: 1; }

.cert-detail-check {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
}

.cert-detail-check.invalid {
  background: rgba(239, 68, 68, 0.3);
}

.cert-detail-title {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: var(--space-xs);
}

.cert-detail-subtitle {
  font-size: 0.9rem;
  opacity: 0.85;
}

.cert-detail-body {
  padding: var(--space-xl);
}

.cert-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.cert-detail-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.cert-detail-field.full {
  grid-column: 1 / -1;
}

.cert-field-label {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: lowercase;
  letter-spacing: 0.08em;
}

.cert-field-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.cert-field-value.mono {
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.cert-detail-qr {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  margin-top: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border);
}

.cert-qr-container {
  background: white;
  padding: var(--space-md);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.cert-qr-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
}

.cert-detail-actions {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border);
  justify-content: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}
.btn:active {
  transform: scale(0.95);
}
.btn svg {
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.btn:hover svg {
  transform: scale(1.1) translateX(2px);
}

.btn-primary {
  background: var(--accent-gradient);
  color: white;
}
.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(6, 182, 212, 0.3);
  color: white;
}

.btn-secondary {
  background: var(--bg-input);
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  color: var(--text-primary);
}

/* ─── User Portfolio ────────────────────────────────────────────── */
.user-header {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
  padding: var(--space-xl);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  animation: fadeInUp 0.4s ease-out;
}

.user-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  font-weight: 800;
  color: white;
  flex-shrink: 0;
}

.user-info h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.user-email {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* ─── Loading Skeleton ──────────────────────────────────────────── */
.skeleton {
  background: linear-gradient(90deg, var(--bg-input) 25%, var(--bg-card-hover) 50%, var(--bg-input) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

.skeleton-card {
  height: 180px;
  border-radius: var(--radius-lg);
}

.skeleton-text {
  height: 20px;
  margin-bottom: var(--space-sm);
}
.skeleton-text.sm { height: 14px; width: 60%; }

/* ─── Empty State ───────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: var(--space-3xl) var(--space-xl);
  animation: fadeInUp 0.4s ease-out;
}

.empty-icon {
  font-size: 4rem;
  margin-bottom: var(--space-md);
  opacity: 0.3;
}

.empty-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.empty-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  max-width: 400px;
  margin: 0 auto;
}

/* ─── Error State ───────────────────────────────────────────────── */
.error-card {
  background: var(--danger-bg);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  animation: fadeInUp 0.4s ease-out;
}

.not-found-card {
  max-width: 600px;
  margin: var(--space-2xl) auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-3xl) var(--space-xl);
  text-align: center;
  backdrop-filter: blur(10px);
  animation: fadeInUp 0.4s ease-out;
}

/* ─── Back Button ───────────────────────────────────────────────── */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
  transition: color var(--transition-fast);
}
.back-link:hover { color: var(--accent-primary); }

/* ─── Footer ────────────────────────────────────────────────────── */
.footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border);
  padding: var(--space-2xl) 0;
  margin-top: auto;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  text-align: center;
}

.footer-logo {
  font-weight: 700;
  font-size: 1rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.8rem;
}
.footer-links a { color: var(--text-secondary); }
.footer-links a:hover { color: var(--accent-primary); }
.footer-sep { color: var(--text-muted); }

.footer-copy {
  font-size: 0.7rem;
  color: var(--text-muted);
}

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

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

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

@keyframes countUp {
  from { opacity: 0; transform: scale(0.5); }
  to { opacity: 1; transform: scale(1); }
}

/* ─── Search Page Specific ──────────────────────────────────────── */
.search-page {
  max-width: 900px;
  margin: 0 auto;
}

.search-page h1 {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: var(--space-lg);
}

/* ─── Score Badge ───────────────────────────────────────────────── */
.score-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  font-family: var(--font-mono);
}
.score-badge.high { background: var(--success-bg); color: var(--success); }
.score-badge.mid { background: var(--warning-bg); color: var(--warning); }
.score-badge.low { background: var(--danger-bg); color: var(--danger); }

/* ─── Responsive ────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .header-inner { height: 60px; }
  .logo-sub { display: none; }
  
  .hero { padding: var(--space-xl) 0; }
  .hero h1 { font-size: 1.75rem; }
  .hero-subtitle { font-size: 1rem; }
  
  .search-input { padding: var(--space-md) var(--space-md) var(--space-md) 3rem; }
  .search-btn { padding: var(--space-xs) var(--space-md); font-size: 0.8rem; }
  
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-md); }

  .cert-grid { grid-template-columns: 1fr; }
  
  .cert-detail-grid { grid-template-columns: 1fr; }
  .cert-detail-actions { flex-direction: column; }
  
  .user-header { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .nav-link { padding: var(--space-xs) var(--space-sm); font-size: 0.8rem; }
}