/* ============================================================
   AIToolHub — Misso-inspired UI Design System
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=DM+Serif+Display:ital@0;1&display=swap');

/* ─── Variables ─────────────────────────────────────────── */
:root {
  --bg: #e8eef7;
  --surface: #ffffff;
  --surface-2: #f0f4fb;
  --border: rgba(0, 0, 0, 0.07);
  --text-primary: #0f1117;
  --text-secondary: #6b7280;
  --text-muted: #9ca3af;

  --accent: #1a1a2e;
  --accent-soft: #f0f1ff;
  --yellow: #fbbf24;
  --yellow-soft: #fef9ec;
  --green: #10b981;
  --green-soft: #ecfdf5;
  --blue: #3b82f6;
  --blue-soft: #eff6ff;
  --pink: #ec4899;
  --pink-soft: #fdf2f8;
  --purple: #8b5cf6;
  --purple-soft: #f5f3ff;
  --red: #ef4444;
  --red-soft: #fef2f2;

  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 22px;
  --radius-xl: 28px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow: 0 4px 16px rgba(0,0,0,0.08), 0 1px 3px rgba(0,0,0,0.04);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.1), 0 2px 8px rgba(0,0,0,0.06);
  --shadow-float: 0 20px 60px rgba(0,0,0,0.12), 0 4px 16px rgba(0,0,0,0.08);

  --nav-height: 64px;
  --font-body: 'DM Sans', sans-serif;
  --font-display: 'DM Serif Display', serif;

  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, select, textarea { font-family: inherit; }

/* ─── Navbar ────────────────────────────────────────────── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 0;
}

.nav-inner {
  display: flex;
  align-items: center;
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  gap: 0;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-right: 40px;
  flex-shrink: 0;
}

.nav-logo-icon {
  width: 34px;
  height: 34px;
  background: var(--accent);
  border-radius: 10px;
  display: grid;
  place-items: center;
  color: white;
  font-size: 0.85rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  flex: 1;
}

.nav-links a {
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
  background: var(--surface-2);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}

.nav-search-mini {
  position: relative;
}

.nav-search-mini input {
  width: 200px;
  height: 36px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0 12px 0 36px;
  font-size: 0.85rem;
  color: var(--text-primary);
  transition: all var(--transition);
  outline: none;
}

.nav-search-mini input:focus {
  width: 260px;
  background: white;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.nav-search-mini .search-icon {
  position: absolute;
  left: 11px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
  font-size: 0.875rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 8px 18px;
  border-radius: 10px;
  font-size: 0.875rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all var(--transition-spring);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: white;
}

.btn-primary:hover {
  background: #2d2d4e;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(26,26,46,0.3);
}

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

.btn-ghost:hover {
  background: var(--surface-2);
  color: var(--text-primary);
}

.btn-yellow {
  background: var(--yellow);
  color: #1a1a00;
}

.btn-yellow:hover {
  background: #f59e0b;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(251,191,36,0.4);
}

.btn-sm {
  padding: 5px 12px;
  font-size: 0.8rem;
  border-radius: 8px;
}

.btn-lg {
  padding: 12px 28px;
  font-size: 1rem;
  border-radius: 14px;
}

/* ─── Hero Section ──────────────────────────────────────── */
.hero {
  padding: 72px 24px 56px;
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--yellow-soft);
  border: 1px solid rgba(251,191,36,0.3);
  border-radius: 100px;
  padding: 5px 14px;
  font-size: 0.8rem;
  font-weight: 600;
  color: #92400e;
  margin-bottom: 20px;
}

.hero-badge-dot {
  width: 7px;
  height: 7px;
  background: var(--yellow);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.hero-title em {
  font-style: italic;
  color: var(--blue);
}

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 460px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 48px;
}

.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.hero-stat-number {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.hero-stat-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Hero Dashboard Card */
.hero-visual {
  position: relative;
}

.hero-dashboard {
  background: var(--surface);
  border-radius: var(--radius-xl);
  padding: 24px;
  box-shadow: var(--shadow-float);
  border: 1px solid var(--border);
}

.hero-dash-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.hero-dash-title {
  font-size: 0.95rem;
  font-weight: 600;
}

.hero-dash-badge {
  background: var(--green-soft);
  color: var(--green);
  border-radius: 100px;
  padding: 3px 10px;
  font-size: 0.75rem;
  font-weight: 600;
}

.mini-tool-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border-radius: var(--radius);
  transition: all var(--transition);
  cursor: pointer;
}

.mini-tool-row:hover {
  background: var(--surface-2);
}

.mini-tool-logo {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  overflow: hidden;
  background: var(--surface-2);
  flex-shrink: 0;
  display: grid;
  place-items: center;
  font-size: 1.1rem;
}

.mini-tool-logo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mini-tool-info {
  flex: 1;
}

.mini-tool-name {
  font-size: 0.85rem;
  font-weight: 600;
  line-height: 1.2;
}

.mini-tool-cat {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.mini-tool-tag {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 100px;
}

.tag-free { background: var(--green-soft); color: var(--green); }
.tag-freemium { background: var(--blue-soft); color: var(--blue); }
.tag-paid { background: var(--purple-soft); color: var(--purple); }

/* ─── Search Bar ────────────────────────────────────────── */
.search-section {
  padding: 0 24px 48px;
  max-width: 860px;
  margin: 0 auto;
  position: relative;
  z-index: 10;
}

.search-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 6px 6px 6px 20px;
  transition: all var(--transition);
}

.search-wrapper:focus-within {
  border-color: var(--blue);
  box-shadow: 0 8px 30px rgba(59,130,246,0.15), 0 2px 8px rgba(0,0,0,0.06);
}

.search-icon-main {
  color: var(--text-muted);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.search-input {
  flex: 1;
  border: none;
  background: transparent;
  padding: 10px 16px;
  font-size: 1rem;
  color: var(--text-primary);
  outline: none;
}

.search-input::placeholder { color: var(--text-muted); }

.search-btn {
  flex-shrink: 0;
}

/* Search Dropdown */
.search-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-float);
  overflow: hidden;
  display: none;
  z-index: 50;
}

.search-dropdown.active { display: block; }

.search-result-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 20px;
  cursor: pointer;
  transition: background var(--transition);
}

.search-result-item:hover { background: var(--surface-2); }

.search-result-logo {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  overflow: hidden;
  background: var(--surface-2);
  flex-shrink: 0;
  display: grid;
  place-items: center;
  font-size: 1.1rem;
}

.search-result-logo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.search-result-name {
  font-size: 0.9rem;
  font-weight: 600;
}

.search-result-cat {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ─── Section Styles ────────────────────────────────────── */
.section {
  padding: 48px 24px;
  max-width: 1280px;
  margin: 0 auto;
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 28px;
  gap: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: 1.7rem;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 4px;
}

/* ─── Tool Cards ────────────────────────────────────────── */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 18px;
}

.tool-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 22px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-spring);
  display: flex;
  flex-direction: column;
  gap: 16px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.tool-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--purple));
  opacity: 0;
  transition: opacity var(--transition);
}

.tool-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(59,130,246,0.2);
}

.tool-card:hover::before { opacity: 1; }

.tool-card-header {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.tool-logo {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  overflow: hidden;
  background: var(--surface-2);
  flex-shrink: 0;
  display: grid;
  place-items: center;
  font-size: 1.5rem;
  border: 1px solid var(--border);
}

.tool-logo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.tool-logo-fallback {
  font-size: 1.4rem;
}

.tool-card-meta {
  flex: 1;
  min-width: 0;
}

.tool-name {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin-bottom: 4px;
}

.tool-category-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 2px 9px;
  border-radius: 100px;
  background: var(--blue-soft);
  color: var(--blue);
}

.tool-description {
  font-size: 0.855rem;
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.tool-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: auto;
}

.tool-pricing-tag {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 100px;
}

.tool-card-actions {
  display: flex;
  gap: 8px;
}

/* ─── Category Cards ────────────────────────────────────── */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}

.category-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  cursor: pointer;
  transition: all var(--transition-spring);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  display: block;
}

.category-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.category-icon {
  font-size: 2rem;
  margin-bottom: 14px;
  display: block;
}

.category-name {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
}

.category-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 14px;
}

.category-count {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
}

/* ─── Page Layout ───────────────────────────────────────── */
.page-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 40px 24px;
}

.page-header {
  margin-bottom: 36px;
}

.page-title {
  font-family: var(--font-display);
  font-size: 2.2rem;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}

.page-subtitle {
  color: var(--text-secondary);
  font-size: 1rem;
}

/* ─── Filters Bar ───────────────────────────────────────── */
.filters-bar {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  box-shadow: var(--shadow-sm);
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.filter-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 13px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  border: 1.5px solid var(--border);
  background: var(--surface);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.filter-chip:hover,
.filter-chip.active {
  border-color: var(--blue);
  background: var(--blue-soft);
  color: var(--blue);
}

.filters-search {
  flex: 1;
  min-width: 200px;
}

.filters-search input {
  width: 100%;
  height: 38px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  padding: 0 14px;
  font-size: 0.875rem;
  background: var(--surface-2);
  color: var(--text-primary);
  outline: none;
  transition: all var(--transition);
}

.filters-search input:focus {
  border-color: var(--blue);
  background: white;
}

/* ─── Tool Detail ───────────────────────────────────────── */
.tool-detail-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 28px;
  align-items: start;
}

.tool-detail-main {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 36px;
  box-shadow: var(--shadow);
}

.tool-detail-header {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  margin-bottom: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}

.tool-detail-logo {
  width: 80px;
  height: 80px;
  border-radius: 20px;
  border: 1px solid var(--border);
  overflow: hidden;
  background: var(--surface-2);
  flex-shrink: 0;
  display: grid;
  place-items: center;
  font-size: 2.5rem;
}

.tool-detail-logo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.tool-detail-title {
  font-family: var(--font-display);
  font-size: 2rem;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}

.tool-detail-badges {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 600;
}

.badge-category {
  background: var(--blue-soft);
  color: var(--blue);
}

.badge-pricing {
  background: var(--green-soft);
  color: var(--green);
}

.tool-detail-description {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 28px;
}

.tags-section h4 {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-pill {
  display: inline-block;
  padding: 5px 12px;
  border-radius: 100px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
}

.tag-pill:hover {
  background: var(--blue-soft);
  color: var(--blue);
  border-color: var(--blue);
}

.tool-detail-sidebar {
  display: flex;
  flex-direction: column;
  gap: 18px;
  position: sticky;
  top: calc(var(--nav-height) + 20px);
}

.sidebar-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px;
  box-shadow: var(--shadow-sm);
}

.sidebar-card h3 {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.info-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.875rem;
}

.info-row:last-child { border-bottom: none; }
.info-row-label { color: var(--text-muted); font-weight: 500; }
.info-row-value { font-weight: 600; }

/* ─── Submit Form ───────────────────────────────────────── */
.submit-container {
  max-width: 700px;
  margin: 0 auto;
  padding: 40px 24px;
}

.form-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow);
}

.form-group {
  margin-bottom: 22px;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.form-label span {
  color: var(--red);
  margin-left: 2px;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  font-size: 0.9rem;
  color: var(--text-primary);
  background: var(--surface-2);
  outline: none;
  transition: all var(--transition);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--blue);
  background: white;
  box-shadow: 0 0 0 3px rgba(59,130,246,0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

.form-hint {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 5px;
}

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

/* ─── Alerts ────────────────────────────────────────────── */
.alert {
  padding: 14px 18px;
  border-radius: var(--radius);
  font-size: 0.875rem;
  margin-bottom: 20px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.alert-error {
  background: var(--red-soft);
  border: 1px solid rgba(239,68,68,0.2);
  color: #991b1b;
}

.alert-success {
  background: var(--green-soft);
  border: 1px solid rgba(16,185,129,0.2);
  color: #065f46;
}

.alert ul {
  margin: 0;
  padding-left: 16px;
}

/* ─── Pagination ────────────────────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  font-size: 0.875rem;
  font-weight: 600;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--transition);
}

.pagination a:hover {
  background: var(--blue-soft);
  color: var(--blue);
  border-color: var(--blue);
}

.pagination .current {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

/* ─── Footer ────────────────────────────────────────────── */
.footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  margin-top: 80px;
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 48px 24px 28px;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.7;
  margin-top: 12px;
}

.footer-col h4 {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.footer-col ul a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color var(--transition);
}

.footer-col ul a:hover { color: var(--text-primary); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 18px 24px;
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ─── Breadcrumb ────────────────────────────────────────── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.breadcrumb a {
  color: var(--blue);
  transition: opacity var(--transition);
}

.breadcrumb a:hover { opacity: 0.7; }

.breadcrumb span { color: var(--text-muted); }

/* ─── Empty State ───────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 80px 20px;
}

.empty-state-icon {
  font-size: 3.5rem;
  margin-bottom: 20px;
}

.empty-state h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.empty-state p {
  color: var(--text-secondary);
  max-width: 360px;
  margin: 0 auto 24px;
}

/* ─── Related tools ─────────────────────────────────────── */
.related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.related-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px;
  background: var(--surface-2);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--border);
}

.related-card:hover {
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.related-logo {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: white;
  display: grid;
  place-items: center;
  font-size: 1rem;
  overflow: hidden;
  flex-shrink: 0;
  border: 1px solid var(--border);
}

.related-logo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.related-name {
  font-size: 0.83rem;
  font-weight: 600;
  line-height: 1.2;
}

.related-cat {
  font-size: 0.73rem;
  color: var(--text-muted);
}

/* ─── 404 ───────────────────────────────────────────────── */
.error-page {
  min-height: calc(100vh - var(--nav-height));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 24px;
}

.error-code {
  font-family: var(--font-display);
  font-size: clamp(6rem, 15vw, 12rem);
  line-height: 1;
  color: var(--border);
  letter-spacing: -0.05em;
  margin-bottom: 16px;
}

/* ─── Responsive ────────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero-visual { display: none; }

  .tool-detail-grid {
    grid-template-columns: 1fr;
  }

  .tool-detail-sidebar {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  :root { --nav-height: 56px; }

  .nav-search-mini,
  .nav-links { display: none; }

  .hero { padding: 40px 16px 32px; }

  .section { padding: 32px 16px; }

  .tools-grid { grid-template-columns: 1fr; }

  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .tool-detail-sidebar {
    grid-template-columns: 1fr;
  }

  .related-grid {
    grid-template-columns: 1fr;
  }

  .page-container { padding: 24px 16px; }
}

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

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

.animate-fade-up {
  animation: fadeInUp 0.5s ease both;
}

.animate-fade-up:nth-child(1) { animation-delay: 0.05s; }
.animate-fade-up:nth-child(2) { animation-delay: 0.1s; }
.animate-fade-up:nth-child(3) { animation-delay: 0.15s; }
.animate-fade-up:nth-child(4) { animation-delay: 0.2s; }
.animate-fade-up:nth-child(5) { animation-delay: 0.25s; }
.animate-fade-up:nth-child(6) { animation-delay: 0.3s; }

/* ─── Loading skeleton ──────────────────────────────────── */
.skeleton {
  background: linear-gradient(90deg, var(--surface-2) 25%, #e8eef7 50%, var(--surface-2) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 8px;
}

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

/* ─── Success page ──────────────────────────────────────── */
.success-card {
  text-align: center;
  padding: 60px 40px;
}

.success-icon {
  width: 72px;
  height: 72px;
  background: var(--green-soft);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 2rem;
  margin: 0 auto 24px;
  border: 2px solid rgba(16,185,129,0.2);
}