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

:root {
  --primary: #2563EB;
  --primary-hover: #1D4ED8;
  --bg-page: #FFFFFF;
  --bg-card: #F9FAFB;
  --border: #E5E7EB;
  --text-primary: #111827;
  --text-secondary: #4B5563;
  --success: #16A34A;
  --warning: #D97706;
  --error: #DC2626;
  --font-family: 'Inter', sans-serif;
}

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

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

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.15s;
}

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

/* Header */
.header {
  height: 64px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg-page);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
}

.logo {
  font-size: 24px;
  font-weight: 800;
  color: var(--primary);
  text-decoration: none;
}

.header-search {
  flex: 1;
  max-width: 400px;
  margin: 0 24px;
}

.header-search input {
  width: 100%;
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: var(--font-family);
  font-size: 14px;
  outline: none;
}

.header-search input:focus {
  border-color: var(--primary);
}

.header-links {
  display: flex;
  gap: 24px;
}

.header-links a {
  color: var(--text-primary);
  font-weight: 500;
}

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

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--text-primary);
}

/* Ad Slots */
/* Base ad slot styling */
.ad-slot, .ad-incontent {
  background: #F9FAFB;
  border: 1px solid #E5E7EB;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #6B7280;
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: 6px;
  overflow: hidden;
}

/* Top banner */
.ad-top {
  width: 100%;
  max-width: 728px;
  height: 90px;
  margin: 12px auto;
  display: flex;
}

/* Bottom banner */
.ad-bottom {
  width: 100%;
  max-width: 728px;
  height: 90px;
  margin: 12px auto;
  display: flex;
}

/* Sidebar ads */
.ad-sidebar-left,
.ad-sidebar-right {
  width: 160px;
  min-height: 600px;
  flex-shrink: 0;
  position: sticky;
  top: 80px;
}

/* In-content ad — MOST IMPORTANT */
.ad-incontent {
  width: 100%;
  max-width: 336px;
  height: 280px;
  margin: 32px auto;
  display: flex;
}

/* Page layout */
.page-layout {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}

.tool-container {
  flex: 1;
  max-width: 860px;
  min-width: 0;
}

/* ━━━ MOBILE RESPONSIVE ━━━ */

/* Tablet — hide sidebars */
@media (max-width: 1023px) {
  .ad-sidebar-left,
  .ad-sidebar-right {
    display: none !important;
  }
  
  .page-layout {
    display: block;
    padding: 0 16px;
  }
}

/* Mobile — smaller banners */
@media (max-width: 767px) {
  .ad-top,
  .ad-bottom {
    max-width: 320px;
    height: 50px;
    margin: 8px auto;
  }
  
  /* In-content stays 300x250 on mobile */
  .ad-incontent {
    max-width: 300px;
    height: 250px;
    margin: 24px auto;
  }
}

/* Layout */
.main-container {
  display: flex;
  justify-content: center;
  gap: 24px;
  padding: 24px;
  max-width: 1280px;
  margin: 0 auto;
}

.content-area {
  flex: 1;
  max-width: 860px;
  width: 100%;
}

/* Footer */
.footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 48px 24px 24px;
  text-align: center;
  margin-top: 48px;
}

.footer-logo {
  font-size: 20px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 8px;
}

.footer-tagline {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 24px;
}

.footer-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 24px;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 14px;
}

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

.footer-copyright {
  color: var(--text-secondary);
  font-size: 14px;
}

/* Typography & Content */
h1 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--text-primary);
}

h2 {
  font-size: 24px;
  font-weight: 700;
  margin: 32px 0 16px;
  color: var(--text-primary);
}

p {
  margin-bottom: 16px;
  color: var(--text-secondary);
}

.breadcrumb {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

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

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

/* Buttons */
.btn {
  display: inline-block;
  background: var(--primary);
  color: white;
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  text-align: center;
  transition: background 0.15s;
}

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

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 24px;
}

/* Forms */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.form-control {
  width: 100%;
  padding: 10px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: var(--font-family);
  font-size: 16px;
  outline: none;
  transition: border-color 0.15s;
}

.form-control:focus {
  border-color: var(--primary);
}

/* Category tabs */
.category-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 0 0 12px 0;
  scrollbar-width: none; /* hide scrollbar */
  -ms-overflow-style: none;
  border-bottom: 1px solid #E5E7EB;
  margin-bottom: 32px;
}
.category-tabs::-webkit-scrollbar { display: none; }

.tab-btn {
  flex-shrink: 0;
  padding: 8px 16px;
  border: 1px solid #E5E7EB;
  border-radius: 999px;
  background: white;
  font-size: 14px;
  font-weight: 500;
  color: #4B5563;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s;
}
.tab-btn:hover {
  border-color: #2563EB;
  color: #2563EB;
}
.tab-btn.active {
  background: #2563EB;
  border-color: #2563EB;
  color: white;
}

/* Category section heading */
.category-heading {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 40px 0 20px 0;
  padding-bottom: 12px;
  border-bottom: 2px solid #E5E7EB;
}
.category-heading:first-child { margin-top: 0; }
.category-heading h2 {
  font-size: 18px;
  font-weight: 700;
  color: #111827;
  margin: 0;
}
.category-count {
  background: #F3F4F6;
  color: #4B5563;
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 999px;
  font-weight: 500;
}

/* Tools grid */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 16px;
}
@media (max-width: 1024px) {
  .tools-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .tools-grid { grid-template-columns: 1fr; }
}

/* Tool card */
.tool-card {
  contain: layout style;
  background: #FFFFFF;
  border: 1px solid #E5E7EB;
  border-radius: 12px;
  padding: 16px;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: all 0.15s;
  cursor: pointer;
}
.tool-card:hover {
  border-color: #2563EB;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.08);
  transform: translateY(-1px);
}
.tool-card-top {
  display: flex;
  align-items: center;
  gap: 10px;
}
.tool-icon {
  font-size: 24px;
  line-height: 1;
  flex-shrink: 0;
}
.tool-name {
  font-size: 15px;
  font-weight: 600;
  color: #111827;
  margin: 0;
}
.tool-desc {
  font-size: 13px;
  color: #4B5563;
  line-height: 1.5;
  margin: 0;
}
.tool-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 4px;
}
.category-badge {
  font-size: 11px;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 999px;
}
.use-link {
  font-size: 13px;
  font-weight: 500;
  color: #2563EB;
}

/* Search results */
.search-results { display: none; }
.search-results.active { display: block; }
.search-results h3 {
  font-size: 16px;
  color: #4B5563;
  margin-bottom: 20px;
}
.no-results {
  text-align: center;
  padding: 48px 0;
  color: #6B7280;
  font-size: 16px;
}

/* Stats bar */
.stats-bar {
  background: #F9FAFB;
  border-top: 1px solid #E5E7EB;
  border-bottom: 1px solid #E5E7EB;
  padding: 32px 0;
  margin: 48px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  text-align: center;
  gap: 24px;
}
.stat-number {
  font-size: 36px;
  font-weight: 800;
  color: #2563EB;
}
.stat-label {
  font-size: 14px;
  color: #4B5563;
  margin-top: 4px;
}

/* Popular tools pills */
.popular-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}
.popular-pill {
  padding: 8px 16px;
  border: 1px solid #E5E7EB;
  border-radius: 999px;
  font-size: 14px;
  color: #374151;
  text-decoration: none;
  transition: all 0.15s;
  background: white;
}
.popular-pill:hover {
  background: #2563EB;
  color: white;
  border-color: #2563EB;
}

/* Responsive */
@media (max-width: 1023px) {
  .ad-sidebar-left, .ad-sidebar-right {
    display: none;
  }
}

@media (max-width: 768px) {
  .header-links {
    display: none;
  }
  .mobile-menu-btn {
    display: block;
  }
  .header-search {
    display: none;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .ad-top, .ad-bottom {
    width: 320px;
    height: 50px;
  }
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 64px 24px;
  background: var(--bg-page);
}

.hero h1 {
  font-size: 48px;
  margin-bottom: 16px;
}

.hero p {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.hero-search {
  max-width: 600px;
  margin: 0 auto 32px;
}

.hero-search input {
  width: 100%;
  padding: 16px 24px;
  font-size: 18px;
  border: 2px solid var(--border);
  border-radius: 999px;
  outline: none;
  transition: border-color 0.15s;
}

.hero-search input:focus {
  border-color: var(--primary);
}

.trust-badges {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
}

.trust-badges span {
  display: flex;
  align-items: center;
  gap: 8px;
}

.trust-badges span::before {
  content: '✓';
  color: var(--success);
  font-weight: bold;
}

/* PAGE LAYOUT — 3 column: left ad | content | right ad */
.page-layout {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 16px;
}

.tool-container {
  flex: 1;
  max-width: 860px;
  min-width: 0;
}

/* MOBILE: hide sidebars below 1024px */
@media (max-width: 1023px) {
  .page-layout {
    display: block;
    padding: 0 16px;
  }
  
  .ad-top,
  .ad-bottom {
    height: 50px;
    max-width: 320px;
  }
}


/* Performance optimizations */
img {
  loading: lazy;
  decoding: async;
}