/* ============================================
   appmehs.online — Design System
   ============================================ */

/* Google Font */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ---- CSS Variables ---- */
:root {
  /* Colors */
  --primary: #2563EB;
  --primary-light: #3B82F6;
  --primary-dark: #1D4ED8;
  --primary-bg: rgba(37, 99, 235, 0.08);
  --secondary: #111827;
  --accent: #10B981;
  --accent-light: #34D399;
  --accent-dark: #059669;

  /* Backgrounds */
  --bg-primary: #FFFFFF;
  --bg-secondary: #F8FAFC;
  --bg-tertiary: #F1F5F9;
  --bg-card: #FFFFFF;
  --bg-card-hover: #F8FAFC;

  /* Text */
  --text-primary: #111827;
  --text-secondary: #4B5563;
  --text-tertiary: #9CA3AF;
  --text-inverse: #FFFFFF;

  /* Borders */
  --border-color: #E5E7EB;
  --border-light: #F3F4F6;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -1px rgba(0,0,0,0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -2px rgba(0,0,0,0.03);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.08), 0 10px 10px -5px rgba(0,0,0,0.02);
  --shadow-card: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-card-hover: 0 10px 25px -5px rgba(37, 99, 235, 0.12), 0 4px 10px -3px rgba(0,0,0,0.06);

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 20px;
  --radius-full: 9999px;

  /* Spacing */
  --container-max: 1200px;
  --container-padding: 20px;
  --header-height: 64px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;

  /* Font */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a:hover {
  color: var(--primary-dark);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  background: none;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

ul, ol {
  list-style: none;
}

/* ---- Utility Classes ---- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  width: 100%;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* ---- Typography ---- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
}

h1 { font-size: 2.5rem; letter-spacing: -0.025em; }
h2 { font-size: 2rem; letter-spacing: -0.02em; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }

p {
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ---- Header ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  height: var(--header-height);
  transition: background var(--transition-base), border-color var(--transition-base);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 24px;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.header-logo img {
  height: 36px;
  width: auto;
  max-width: 160px;
  object-fit: contain;
}

.header-logo span {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.header-nav a {
  padding: 8px 16px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.header-nav a:hover,
.header-nav a.active {
  color: var(--primary);
  background: var(--primary-bg);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

/* Theme Toggle */
.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  font-size: 1.2rem;
  background: transparent;
  border: 1px solid transparent;
}

.theme-toggle:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border-color: var(--border-color);
}

/* Mobile Menu Toggle */
.mobile-menu-btn {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  font-size: 1.4rem;
}

/* ---- Hero Section ---- */
.hero {
  padding: 80px 0 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, rgba(37, 99, 235, 0.03) 100%);
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -150px;
  left: -150px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.05) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-bg);
  color: var(--primary);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
  border: 1px solid rgba(37, 99, 235, 0.15);
}

.hero h1 {
  font-size: 3.2rem;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.hero h1 .gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.15rem;
  max-width: 600px;
  margin: 0 auto 32px;
  color: var(--text-secondary);
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 40px;
}

.hero-stat {
  text-align: center;
}

.hero-stat-number {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary);
}

.hero-stat-label {
  font-size: 0.85rem;
  color: var(--text-tertiary);
  font-weight: 500;
}

/* ---- Search Bar ---- */
.search-container {
  max-width: 560px;
  margin: 0 auto;
  position: relative;
}

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

.search-input {
  width: 100%;
  padding: 14px 20px 14px 48px;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-xl);
  font-size: 1rem;
  outline: none;
  transition: all var(--transition-base);
  background: var(--bg-card);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

.search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1), var(--shadow-md);
}

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

.search-icon {
  position: absolute;
  left: 18px;
  color: var(--text-tertiary);
  font-size: 1.1rem;
  pointer-events: none;
}

.search-results-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  z-index: 100;
  max-height: 360px;
  overflow-y: auto;
  display: none;
}

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

.search-result-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  transition: background var(--transition-fast);
  text-decoration: none;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-light);
}

.search-result-item:last-child {
  border-bottom: none;
}

.search-result-item:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.search-result-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.search-result-info h4 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 2px;
}

.search-result-info p {
  font-size: 0.8rem;
  color: var(--text-tertiary);
}

/* ---- Section Styles ---- */
.section {
  padding: 60px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 40px;
}

.section-header h2 {
  margin-bottom: 12px;
}

.section-header p {
  max-width: 560px;
  margin: 0 auto;
  font-size: 1rem;
}

.section-header .section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary);
  margin-bottom: 8px;
}

/* ---- Category Cards ---- */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
}

.category-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 28px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: all var(--transition-base);
  text-align: center;
  box-shadow: var(--shadow-xs);
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--primary-light);
  color: var(--text-primary);
}

.category-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 14px;
}

.category-card h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.category-card .tool-count {
  font-size: 0.8rem;
  color: var(--text-tertiary);
  font-weight: 500;
}

/* Category Colors */
.cat-text { background: rgba(37, 99, 235, 0.1); color: #2563EB; }
.cat-developer { background: rgba(139, 92, 246, 0.1); color: #8B5CF6; }
.cat-seo { background: rgba(245, 158, 11, 0.1); color: #F59E0B; }
.cat-image { background: rgba(236, 72, 153, 0.1); color: #EC4899; }
.cat-pdf { background: rgba(239, 68, 68, 0.1); color: #EF4444; }
.cat-misc { background: rgba(16, 185, 129, 0.1); color: #10B981; }

/* ---- Tool Cards Grid ---- */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.tool-card {
  display: flex;
  flex-direction: column;
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-xs);
  position: relative;
  overflow: hidden;
}

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

.tool-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: transparent;
  color: var(--text-primary);
}

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

.tool-card-header {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 12px;
}

.tool-card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.tool-card-header h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 2px;
  line-height: 1.3;
}

.tool-card-category {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  font-weight: 500;
}

.tool-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
  flex: 1;
}

.tool-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border-light);
}

.tool-card-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--transition-fast);
}

.tool-card:hover .tool-card-link {
  gap: 8px;
}

.tool-card-tag {
  font-size: 0.72rem;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  background: var(--accent);
  color: white;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  transition: all var(--transition-fast);
  border: none;
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: white;
  box-shadow: 0 2px 4px rgba(37, 99, 235, 0.2);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(37, 99, 235, 0.3);
  color: white;
}

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

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--primary-light);
  color: var(--primary);
}

.btn-accent {
  background: var(--accent);
  color: white;
  box-shadow: 0 2px 4px rgba(16, 185, 129, 0.2);
}

.btn-accent:hover {
  background: var(--accent-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(16, 185, 129, 0.3);
  color: white;
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

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

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-md);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.82rem;
}

.btn-lg {
  padding: 14px 32px;
  font-size: 1rem;
}

/* ---- CTA Section ---- */
.cta-section {
  background: linear-gradient(135deg, var(--primary), #1D4ED8);
  padding: 60px 0;
  text-align: center;
  border-radius: var(--radius-2xl);
  margin: 40px auto;
  max-width: var(--container-max);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50px;
  right: -50px;
  width: 200px;
  height: 200px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
}

.cta-section h2 {
  color: white;
  margin-bottom: 12px;
  font-size: 1.8rem;
}

.cta-section p {
  color: rgba(255,255,255,0.85);
  margin-bottom: 24px;
  font-size: 1.05rem;
}

.cta-section .btn {
  background: white;
  color: var(--primary);
  font-weight: 700;
}

.cta-section .btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(0,0,0,0.2);
}

/* ---- Filter Tabs ---- */
.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 32px;
}

.filter-tab {
  padding: 8px 20px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.filter-tab.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

/* ---- Footer ---- */
.site-footer {
  background: var(--secondary);
  color: #D1D5DB;
  padding: 60px 0 0;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand p {
  color: #9CA3AF;
  font-size: 0.9rem;
  margin-top: 12px;
  line-height: 1.6;
}

.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-brand .footer-logo img {
  height: 32px;
}

.footer-brand .footer-logo span {
  font-size: 1.15rem;
  font-weight: 700;
  color: white;
}

.footer-section h4 {
  color: white;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-section a {
  display: block;
  color: #9CA3AF;
  font-size: 0.88rem;
  padding: 5px 0;
  transition: color var(--transition-fast);
}

.footer-section a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: #6B7280;
}

/* ---- Page Header (internal pages) ---- */
.page-header {
  padding: 40px 0 32px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
}

.page-header h1 {
  font-size: 2rem;
  margin-bottom: 8px;
}

.page-header p {
  font-size: 1rem;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-tertiary);
  margin-bottom: 12px;
}

.breadcrumb a {
  color: var(--text-tertiary);
}

.breadcrumb a:hover {
  color: var(--primary);
}

.breadcrumb .sep {
  color: var(--text-tertiary);
}

/* ---- Form Elements ---- */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  color: var(--text-primary);
  background: var(--bg-card);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
  font-family: inherit;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-tertiary);
}

/* ---- Content Page (About, Privacy, Contact) ---- */
.content-page {
  padding: 40px 0 60px;
}

.content-page .content-body {
  max-width: 760px;
  margin: 0 auto;
}

.content-body h2 {
  font-size: 1.4rem;
  margin: 32px 0 12px;
}

.content-body h3 {
  font-size: 1.15rem;
  margin: 24px 0 10px;
}

.content-body p {
  margin-bottom: 16px;
}

.content-body ul {
  margin: 12px 0 20px 24px;
  list-style: disc;
}

.content-body ul li {
  color: var(--text-secondary);
  margin-bottom: 6px;
  font-size: 0.95rem;
}

/* Contact Form */
.contact-form {
  max-width: 560px;
  margin: 0 auto;
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

/* ---- Toast Notification ---- */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 12px 24px;
  background: var(--secondary);
  color: white;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  z-index: 10000;
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--transition-base);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast.success {
  background: var(--accent);
}

.toast.error {
  background: #EF4444;
}

/* ---- No Results ---- */
.no-results {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-tertiary);
}

.no-results .no-results-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.no-results h3 {
  color: var(--text-secondary);
  margin-bottom: 8px;
}

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

@media (max-width: 768px) {
  :root {
    --container-padding: 16px;
    --header-height: 56px;
  }

  h1 { font-size: 1.8rem; }
  h2 { font-size: 1.5rem; }

  .hero {
    padding: 48px 0 40px;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .hero-stats {
    gap: 24px;
  }

  .hero-stat-number {
    font-size: 1.4rem;
  }

  .header-nav {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-primary);
    flex-direction: column;
    padding: 16px;
    gap: 4px;
    overflow-y: auto;
  }

  .header-nav.open {
    display: flex;
  }

  .header-nav a {
    padding: 12px 16px;
    font-size: 1rem;
    border-radius: var(--radius-md);
  }

  .mobile-menu-btn {
    display: flex;
  }

  .tools-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .filter-tabs {
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 8px;
    -webkit-overflow-scrolling: touch;
  }

  .filter-tab {
    flex-shrink: 0;
  }

  .section {
    padding: 40px 0;
  }

  .cta-section {
    margin: 24px 16px;
    padding: 40px 20px;
    border-radius: var(--radius-xl);
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.6rem;
  }

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

  .hero-stats {
    flex-wrap: wrap;
    gap: 16px;
  }

  .search-input {
    padding: 12px 16px 12px 42px;
    font-size: 0.9rem;
  }
}