/* ============================================================
   AI Tools India — Complete Stylesheet
   Last updated: Feb 2026
   ============================================================ */

/* ── CSS Variables ── */
:root {
  --bg-primary:    #ffffff;
  --bg-secondary:  #f8f9fa;
  --bg-card:       #ffffff;
  --text-primary:  #1a1a1a;
  --text-secondary:#6c757d;
  --border-color:  #cbd5e1;
  --accent-color:  #3b82f6;
  --accent-hover:  #2563eb;
  --shadow:        rgba(0, 0, 0, 0.1);
  --shadow-hover:  rgba(0, 0, 0, 0.15);
  --gradient-start:#3b82f6;
  --gradient-end:  #8b5cf6;

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

  /* Border Radius */
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;

  /* Transitions */
  --transition: all 0.3s ease;
}

/* ── Dark Mode ── */
[data-theme="dark"] {
  --bg-primary:    #0f172a;
  --bg-secondary:  #1e293b;
  --bg-card:       #1e293b;
  --text-primary:  #f1f5f9;
  --text-secondary:#94a3b8;
  --border-color:  #334155;
  --shadow:        rgba(0, 0, 0, 0.3);
  --shadow-hover:  rgba(0, 0, 0, 0.5);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  background: linear-gradient(135deg, #f8fafc 0%, #eef2ff 50%, #f3e8ff 100%);
  color: var(--text-primary);
  line-height: 1.6;
  transition: var(--transition);
}

[data-theme="dark"] body {
  background: #0f172a;
}

/* ── Typography with Gradient Animation ── */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  background: linear-gradient(
    90deg,
    #667eea 0%,
    #764ba2 25%,
    #f093fb 50%,
    #4facfe 75%,
    #667eea 100%
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 4s ease-in-out infinite;
  position: relative;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% center; }
  50%       { background-position: 100% center; }
}

/* Heading Glow */
h1::after, h2::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 100%; height: 100%;
  background: inherit;
  filter: blur(20px);
  opacity: 0.3;
  z-index: -1;
  animation: pulseGlow 3s ease-in-out infinite;
}

@keyframes pulseGlow {
  0%, 100% { opacity: 0.3; transform: translate(-50%, -50%) scale(1); }
  50%       { opacity: 0.6; transform: translate(-50%, -50%) scale(1.05); }
}

h1, h2 {
  animation: fadeInUp 0.8s ease-out, gradientShift 4s ease-in-out infinite;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }

@media (max-width: 768px) {
  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.25rem; }
}

/* ============================================================
   NAVBAR — always dark, matching site theme
   ============================================================ */

.navbar {
  background: #0f172a !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07) !important;
  position: sticky;
  top: 0;
  z-index: 1002;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(10px);
}

.nav-container {
  max-width: 1200px;
  height: 70px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
}

/* Logo */
.logo {
  font-size: 1.15rem;
  font-weight: 800;
  font-family: 'Sora', sans-serif;
  color: #f1f5f9;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: opacity 0.3s ease;
  z-index: 1003;
  flex-shrink: 0;
}
.logo:hover { opacity: 0.85; }
.logo span  { color: #f1f5f9; font-family: 'Sora', sans-serif; font-weight: 800; }
.logo span .logo-accent,
.logo-accent { color: #f97316 !important; -webkit-text-fill-color: #f97316 !important; background: none !important; animation: none !important; }

/* Nav menu — desktop */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  font-family: 'Sora', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  color: #94a3b8;
  text-decoration: none;
  transition: color 0.2s ease;
  white-space: nowrap;
}
.nav-link:hover { color: #fb923c; }

/* Dark mode toggle */
.dark-mode-toggle {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  color: #f1f5f9;
  font-size: 1.1rem;
  cursor: pointer;
  padding: 6px 10px;
  transition: background 0.2s ease;
  line-height: 1;
}
.dark-mode-toggle:hover { background: rgba(249, 115, 22, 0.18); }

/* Hamburger button — hidden on desktop */
.menu-toggle {
  display: none;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #f1f5f9;
  font-size: 1.3rem;
  cursor: pointer;
  padding: 6px 11px;
  border-radius: 8px;
  line-height: 1;
  z-index: 1003;
  flex-shrink: 0;
}

/* ── Mobile nav ── */
@media (max-width: 768px) {
  .menu-toggle { display: block; }

  .nav-menu {
    /* Slide-in drawer from RIGHT */
    position: fixed;
    top: 0;
    right: -100%;
    width: 72%;
    max-width: 300px;
    height: 100vh;
    background: #0f172a;
    border-left: 1px solid rgba(255, 255, 255, 0.1);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 80px 20px 32px;
    gap: 4px;
    list-style: none;
    transition: right 0.3s ease;
    z-index: 1001;
    box-shadow: -8px 0 32px rgba(0, 0, 0, 0.45);
    overflow-y: auto;
  }

  .nav-menu.active {
    right: 0;
  }

  /* Remove bullets */
  .nav-menu li {
    list-style: none;
    width: 100%;
  }
  .nav-menu li::marker { display: none; }

  .nav-menu .nav-link {
    display: block;
    width: 100%;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 0.95rem;
    color: #cbd5e1;
  }
  .nav-menu .nav-link:hover {
    background: rgba(249, 115, 22, 0.12);
    color: #fb923c;
  }

  .nav-menu .dark-mode-toggle {
    margin: 8px 16px 0;
  }
}

/* Overlay behind mobile drawer */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 1000;
  cursor: pointer;
}
.nav-overlay.active { display: block; }

/* ── Container ── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  color: white;
  padding: var(--spacing-xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  animation: heroGlow 10s ease-in-out infinite;
}

@keyframes heroGlow {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%       { transform: translate(-10%, -10%) scale(1.1); }
}

.hero h1 {
  color: white;
  margin-bottom: var(--spacing-sm);
  position: relative;
  z-index: 1;
  -webkit-text-fill-color: white;
  text-shadow:
    0 0 20px rgba(255,255,255,0.5),
    0 0 40px rgba(255,255,255,0.3),
    0 0 60px rgba(102,126,234,0.5);
  animation: heroTextGlow 3s ease-in-out infinite;
}

@keyframes heroTextGlow {
  0%, 100% {
    text-shadow:
      0 0 20px rgba(255,255,255,0.5),
      0 0 40px rgba(255,255,255,0.3),
      0 0 60px rgba(102,126,234,0.5);
  }
  50% {
    text-shadow:
      0 0 30px rgba(255,255,255,0.8),
      0 0 60px rgba(255,255,255,0.5),
      0 0 90px rgba(102,126,234,0.7);
  }
}

.hero-subtitle {
  font-size: 1.125rem;
  opacity: 0.95;
  margin-bottom: var(--spacing-lg);
  color: white;
  position: relative;
  z-index: 1;
  animation: fadeInUp 1s ease-out 0.3s backwards;
}

/* ── Search Bar ── */
.search-container {
  max-width: 600px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.search-bar {
  width: 100%;
  padding: 1rem 1.5rem;
  font-size: 1rem;
  border: none;
  border-radius: var(--radius-lg);
  box-shadow:
    0 10px 40px rgba(0,0,0,0.3),
    0 0 60px rgba(255,255,255,0.2);
  outline: none;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.search-bar:focus {
  transform: translateY(-3px) scale(1.02);
  box-shadow:
    0 15px 50px rgba(0,0,0,0.4),
    0 0 80px rgba(255,255,255,0.3),
    0 0 100px rgba(102,126,234,0.4);
}

.search-bar::placeholder { transition: opacity 0.3s ease; }
.search-bar:focus::placeholder { opacity: 0.5; }

/* ── Category Pills ── */
.categories {
  padding: var(--spacing-lg) 0;
  background-color: var(--bg-secondary);
}

.category-pills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  justify-content: center;
}

.category-pill {
  padding: 0.5rem 1.25rem;
  background-color: var(--bg-card);
  border: 2px solid var(--border-color);
  border-radius: 2rem;
  cursor: pointer;
  transition: var(--transition);
  font-weight: 500;
  color: var(--text-primary);
}

.category-pill:hover,
.category-pill.active {
  background-color: var(--accent-color);
  border-color: var(--accent-color);
  color: white;
  transform: translateY(-2px);
}

/* ── Section ── */
.section {
  padding: var(--spacing-xl) 0;
}

.section-header { margin-bottom: var(--spacing-lg); }
.section-title  { margin-bottom: 0.5rem; }
.section-subtitle { color: var(--text-secondary); font-size: 1rem; }

/* ── Tools Grid ── */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

@media (max-width: 768px) {
  .tools-grid { grid-template-columns: 1fr; }
}

/* ── Tool Card ── */
.tool-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow:
    0 4px 6px rgba(102,126,234,0.1),
    0 1px 3px rgba(118,75,162,0.08);
}

.tool-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-md);
  padding: 2px;
  background: linear-gradient(135deg, #667eea, #764ba2, #f093fb);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.tool-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow:
    0 20px 40px rgba(102,126,234,0.4),
    0 15px 25px rgba(118,75,162,0.3),
    0 10px 20px rgba(240,147,251,0.2),
    0 0 60px rgba(102,126,234,0.3);
  border-color: transparent;
}

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

@keyframes cardFadeIn {
  from { opacity: 0; transform: translateY(30px) scale(0.95); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.tool-card,
.value-card,
.audience-card,
.stat-card {
  animation: cardFadeIn 0.6s ease-out backwards;
}
.tool-card:nth-child(1) { animation-delay: 0.1s; }
.tool-card:nth-child(2) { animation-delay: 0.2s; }
.tool-card:nth-child(3) { animation-delay: 0.3s; }
.tool-card:nth-child(4) { animation-delay: 0.4s; }
.tool-card:nth-child(5) { animation-delay: 0.5s; }
.tool-card:nth-child(6) { animation-delay: 0.6s; }

.tool-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-sm);
}

.tool-name {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.tool-category {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background-color: var(--bg-secondary);
  color: var(--accent-color);
  border-radius: 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

.tool-description {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  flex-grow: 1;
}

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

.tool-views {
  color: var(--text-secondary);
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

/* ── Tool Detail Page ── */
.tool-detail {
  max-width: 820px;
  margin: 0 auto;
  padding: var(--spacing-xl) 1.5rem;
}

.tool-detail-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
}

.tool-detail-title { margin-bottom: var(--spacing-sm); }

.tool-detail-meta {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--spacing-md);
}

.tool-detail-content { margin-bottom: var(--spacing-xl); }

.tool-detail-description {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  text-align: justify;
}

.tool-detail-actions {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
}

/* ── Buttons ── */
.btn {
  padding: 0.5rem 1.25rem;
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  display: inline-block;
  text-align: center;
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

.btn-primary {
  background: linear-gradient(135deg, #8b5cf6, #a855f7);
  color: #fff;
  border: none;
  transition: all 0.35s ease;
}
.btn-primary:hover {
  background: #ffffff;
  color: #6d28d9;
  transform: translateY(-4px);
  box-shadow: 0 15px 35px rgba(168,85,247,0.5);
}

.btn-secondary {
  background: #ffffff;
  color: #6d28d9;
  border: 2px solid #6d28d9;
}
.btn-secondary:hover {
  background: #6d28d9;
  color: #ffffff;
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(109,40,217,0.4);
}

/* ── CTA Box ── */
.cta-box {
  background: linear-gradient(135deg, #1e1b4b, #312e81);
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  color: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
}

.cta-box:hover {
  transform: translateY(-6px);
  transition: all 0.35s ease;
  box-shadow:
    0 0 0 2px rgba(139,92,246,0.35),
    0 15px 30px rgba(102,126,234,0.25);
  border-color: transparent;
}

.cta-box h2 { color: #3b82f6; }
.cta-box p  { color: #374151; }

[data-theme="dark"] .cta-box h2,
[data-theme="dark"] .cta-box p { color: white; }

.cta-buttons {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  margin-top: var(--spacing-lg);
  flex-wrap: wrap;
}

/* ── Empty / Loading States ── */
.empty-state {
  text-align: center;
  padding: var(--spacing-xl) 0;
}
.empty-state h3 { margin-bottom: var(--spacing-sm); }
.empty-state p  { color: var(--text-secondary); }

.loading {
  text-align: center;
  padding: var(--spacing-xl) 0;
  color: var(--text-secondary);
}

/* ── Footer ── */
.footer {
  background: #0f172a;
  border-top: 1px solid rgba(255,255,255,0.07);
  padding: var(--spacing-lg) 0;
  text-align: center;
  margin-top: var(--spacing-xl);
}
.footer p {
  color: #94a3b8;
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
}
.footer a {
  color: #94a3b8;
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s;
}
.footer a:hover { color: #fb923c; }

/* ── About Section ── */
.about-content {
  max-width: 900px;
  margin: 0 auto;
}
.about-text {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}
.about-list {
  list-style: none;
  margin: var(--spacing-md) 0;
  padding: 0;
}
.about-list li {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
  padding-left: 0.5rem;
}

/* ── Values Grid ── */
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.value-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  text-align: center;
  transition: var(--transition);
}
.value-card:hover {
  transform: translateY(-6px);
  transition: all 0.35s ease;
  box-shadow:
    0 0 0 2px rgba(139,92,246,0.35),
    0 15px 30px rgba(102,126,234,0.25);
  border-color: transparent;
}
.value-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
}
.value-card h3 { margin-bottom: var(--spacing-sm); color: var(--text-primary); }
.value-card p  { color: var(--text-secondary); line-height: 1.6; }

/* ── Audience Grid ── */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}
.audience-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  text-align: center;
  transition: var(--transition);
}
.audience-card:hover {
  transform: translateY(-6px);
  transition: all 0.35s ease;
  box-shadow:
    0 0 0 2px rgba(139,92,246,0.35),
    0 15px 30px rgba(102,126,234,0.25);
  border-color: transparent;
}
.audience-card h3 { margin-bottom: var(--spacing-sm); color: var(--text-primary); }
.audience-card p  { color: var(--text-secondary); line-height: 1.6; }

/* ── Features List ── */
.features-list { margin-top: var(--spacing-lg); }

.feature-item {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
}
.feature-item:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }

.feature-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-color);
  min-width: 60px;
}
.feature-content h3 { color: var(--text-primary); margin-bottom: 0.5rem; }
.feature-content p  { color: var(--text-secondary); line-height: 1.6; }

/* ── Stats Grid ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.stat-card {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  color: white;
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  text-align: center;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  box-shadow:
    0 10px 20px rgba(102,126,234,0.3),
    0 6px 12px rgba(118,75,162,0.2);
  animation: statCardFloat 3s ease-in-out infinite;
}

.stat-card::before {
  content: '';
  position: absolute;
  inset: -2px;
  background: linear-gradient(135deg, #667eea, #764ba2, #f093fb, #4facfe);
  border-radius: var(--radius-md);
  z-index: -1;
  opacity: 0;
  transition: opacity 0.4s ease;
  filter: blur(10px);
}
.stat-card:hover {
  transform: translateY(-12px) scale(1.08);
  box-shadow:
    0 25px 50px rgba(102,126,234,0.5),
    0 20px 35px rgba(118,75,162,0.4),
    0 0 80px rgba(102,126,234,0.4);
}
.stat-card:hover::before { opacity: 1; }

@keyframes statCardFloat {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-5px); }
}

.stat-number { font-size: 2.5rem; font-weight: 700; margin-bottom: 0.5rem; }
.stat-label  { font-size: 1rem; opacity: 0.9; }

/* ── Ad Section ── */
.ad-section {
  width: 100%;
  padding: 30px 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}
[data-theme="dark"] .ad-section {
  background: #1e293b;
  border-color: #334155;
}
.ad-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  text-align: center;
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.adsbygoogle { display: block; margin: 0 auto; }
.ad-label {
  font-size: 11px;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
  text-align: center;
}
ins.adsbygoogle[data-ad-status="unfilled"] { display: none !important; }

.ad-container.loading {
  background: linear-gradient(90deg,
    rgba(0,0,0,0.05) 25%,
    rgba(0,0,0,0.1) 50%,
    rgba(0,0,0,0.05) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}
@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ── Floating WhatsApp Button ── */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(37,211,102,0.4);
  z-index: 1000;
  text-decoration: none;
  animation: wpPulse 2s infinite;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.whatsapp-float:hover {
  transform: scale(1.1) translateY(-3px);
  box-shadow: 0 6px 20px rgba(37,211,102,0.6);
}
.whatsapp-float:active { transform: scale(0.95); }

@keyframes wpPulse {
  0%, 100% { box-shadow: 0 4px 12px rgba(37,211,102,0.4); }
  50%       { box-shadow: 0 4px 20px rgba(37,211,102,0.7); }
}

/* ── Utility Classes ── */
.text-center { text-align: center; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

/* ── Accessibility ── */
::selection { background-color: var(--accent-color); color: white; }

button:focus,
a:focus,
input:focus {
  outline: 2px solid var(--accent-color);
  outline-offset: 2px;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .container   { padding: 0 1rem; }
  .section     { padding: var(--spacing-lg) 0; }
  .hero        { padding: var(--spacing-lg) 0; }
  .ad-section  { padding: 20px 0; }
  .ad-container { padding: 0 15px; min-height: 50px; }

  .tool-detail-actions,
  .cta-buttons {
    flex-direction: column;
  }
  .btn-large { width: 100%; }

  .feature-item { flex-direction: column; gap: var(--spacing-sm); }
  .feature-number { min-width: auto; }

  /* Lighter glow on mobile for performance */
  .tool-card:hover,
  .value-card:hover,
  .audience-card:hover {
    box-shadow:
      0 10px 20px rgba(102,126,234,0.3),
      0 5px 10px rgba(118,75,162,0.2);
  }
}