/* ═══════════════════════════════════════════════════════════════════════
   ToolzVerse — World-Class Design System
   Dark Mode First · Glassmorphism · Premium Animations
   ═══════════════════════════════════════════════════════════════════════ */

/* ── Design Tokens ────────────────────────────────────────────────────── */
:root {
  /* Premium Light Theme - ToolzVerse */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --bg-card: #ffffff;
  --bg-card-hover: #ffffff;
  --bg-glass: rgba(255, 255, 255, 0.8);
  --bg-glass-heavy: rgba(255, 255, 255, 0.95);

  --border: rgba(15, 23, 42, 0.08);
  --border-hover: rgba(15, 23, 42, 0.15);
  --border-accent: rgba(37, 99, 235, 0.2);

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-faint: #94a3b8;

  /* Brand Colors (Modern & Vibrant) */
  --accent: #2563eb;
  --accent-blue: #0ea5e9;
  --accent-glow: rgba(37, 99, 235, 0.12);

  --grad-primary: linear-gradient(135deg, #2563eb, #0ea5e9, #6366f1);
  --grad-surface: linear-gradient(180deg, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.8));

  --grad-0: linear-gradient(135deg, #4f46e5, #7c3aed);
  --grad-1: linear-gradient(135deg, #ef4444, #f97316);
  --grad-2: linear-gradient(135deg, #0ea5e9, #22d3ee);
  --grad-3: linear-gradient(135deg, #10b981, #34d399);

  /* Radii - More Modern */
  --r-sm: 12px;
  --r-md: 18px;
  --r-lg: 28px;
  --r-xl: 40px;
  --r-full: 9999px;

  /* Shadows (Elegant & Layered) */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 16px rgba(0, 0, 0, 0.06);
  --shadow-card: 0 30px 60px rgba(0, 0, 0, 0.08), 0 10px 20px rgba(0, 0, 0, 0.02);
  --shadow-hover: 0 40px 80px rgba(0, 0, 0, 0.12), 0 15px 30px rgba(0, 0, 0, 0.04);
  --shadow-glow: 0 0 30px rgba(37, 99, 235, 0.15);
  --shadow-input: 0 0 0 4px rgba(37, 99, 235, 0.1);

  /* Transitions */
  --t-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --t-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --t-slow: 600ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Fonts */
  --font: 'Outfit', 'Plus Jakarta Sans', sans-serif;
  --font-head: 'Plus Jakarta Sans', 'Outfit', sans-serif;
}

/* Light mode is forced: Remove dark mode overrides */

/* ── Typography & Effects ────────────────────────────────────────── */
.ai-glow-text {
  background: linear-gradient(90deg, var(--text-primary), var(--accent), var(--accent-blue), var(--text-primary));
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shine 3s linear infinite;
  font-weight: 800;
}

@keyframes shine {
  to {
    background-position: 200% center;
  }
}

.universe-trigger {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ── Navbar & Mega Menu (Consolidated & Robust) ───────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 72px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid var(--border);
  z-index: 2000;
  transition: all var(--t-base);
  display: flex;
  align-items: center;
}

.nav-container {
  max-width: 1520px;
  width: 100%;
  margin: 0 auto;
  padding: 0 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  height: 100%;
}

.nav-logo-img {
  height: 32px;
  width: auto;
  transition: all var(--t-base);
  object-fit: contain;
}

.nav-logo-img:hover {
  transform: scale(1.03);
  filter: drop-shadow(0 4px 12px rgba(37, 99, 235, 0.12));
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-left: 48px;
  flex-grow: 1;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all var(--t-fast);
  padding: 8px 16px;
  border-radius: var(--r-md);
  text-decoration: none;
}

.nav-link:hover {
  color: var(--text-primary);
  background: var(--bg-card);
}

.nav-link.active {
  color: var(--accent);
  background: var(--bg-card);
}

.nav-item-dropdown {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
}

/* ── Navigation & Mega Menu Cluster (Premium Refactor) ───────────────── */
.navbar.scrolled {
  height: 64px;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 12px rgba(0, 0, 0, 0.06);
}

.navbar.scrolled .nav-container {
  max-width: 1440px;
  margin: 0 auto;
  transition: transform var(--t-fast);
}

.navbar.scrolled .nav-logo-img {
  height: 28px;
}

.nav-logo:hover .nav-logo-img {
  transform: scale(1.05);
}

.nav-links {
  display: flex !important;
  align-items: center !important;
  gap: 32px;
}

.nav-link {
  font-family: var(--font-head);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-muted);
  text-decoration: none;
  transition: all var(--t-fast);
  position: relative;
  padding: 8px 0;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

/* Mega Menu Dropdown Structure */
.nav-item-dropdown {
  position: static;
}

.mega-menu {
  position: fixed;
  top: 72px;
  left: 50%;
  transform: translateX(-50%) translateY(16px);
  width: calc(100vw - 80px);
  max-width: 1280px;
  background: var(--bg-glass);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  border: 1px solid var(--border);
  border-radius: 2.5rem;
  box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.12);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  padding: 0;
  overflow: hidden;
  z-index: 9999;
}

[data-theme="light"] .mega-menu {
  box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.1);
  background: rgba(255, 255, 255, 0.95);
}

.nav-item-dropdown:hover .mega-menu,
.nav-item-dropdown.is-hovering .mega-menu,
.nav-item-dropdown.js-open .mega-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: all;
  transform: translateX(-50%) translateY(0);
}

.mega-search-wrapper {
  padding: 40px;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--border);
}

[data-theme="light"] .mega-search-wrapper {
  background: rgba(0, 0, 0, 0.015);
}

.mega-search-inner {
  max-width: 720px;
  margin: 0 auto;
  position: relative;
}

.mega-search-input {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 1.5rem;
  padding: 1.25rem 3.5rem;
  color: var(--text-primary);
  font-size: 1.125rem;
  font-weight: 600;
  outline: none;
  transition: all 0.3s ease;
}

.mega-search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15);
}

.mega-search-icon {
  position: absolute;
  left: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  width: 1.5rem;
  height: 1.5rem;
}

.mega-menu-content {
  padding: 40px;
  max-height: 60vh;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.mega-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.mega-cat-group {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 1.5rem;
  overflow: hidden;
  transition: all 0.4s ease;
  height: fit-content;
}

.mega-cat-group:hover,
.mega-cat-group.active {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
}

.mega-cat-header {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
}

.mega-cat-title {
  display: flex;
  align-items: center;
  gap: 16px;
}

.mega-cat-icon-container {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: white;
}

.cat-name {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 0;
}

.cat-count {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.mega-cat-arrow {
  width: 18px;
  height: 18px;
  color: var(--text-faint);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.mega-cat-group.active .mega-cat-arrow {
  transform: rotate(180deg);
  color: var(--accent);
}

.mega-tool-list-collapsible {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.mega-cat-group.active .mega-tool-list-collapsible {
  max-height: 400px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.mega-cat-group.active .mega-tool-list-collapsible::-webkit-scrollbar {
  width: 6px;
}

.mega-cat-group.active .mega-tool-list-collapsible::-webkit-scrollbar-track {
  background: transparent;
}

.mega-cat-group.active .mega-tool-list-collapsible::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

.mega-cat-group.active .mega-tool-list-collapsible::-webkit-scrollbar-thumb:hover {
  background: var(--border-hover);
}

.mega-list {
  list-style: none;
  padding: 12px;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mega-tool-item-legend {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-radius: 12px;
  text-decoration: none;
  color: var(--text-muted);
  transition: all 0.3s ease;
}

.mega-tool-item-legend:hover {
  background: var(--bg-card-hover);
}

.tool-content {
  display: flex;
  flex-direction: column;
}

.mega-tool-name-legend {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-primary);
}

.mega-tool-tag-legend {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
}

.tool-hover-arrow {
  width: 14px;
  height: 14px;
  color: var(--accent);
  opacity: 0;
  transform: translateX(-10px);
  transition: all 0.3s ease;
}

.mega-tool-item-legend:hover .tool-hover-arrow {
  opacity: 1;
  transform: translateX(0);
}

/* Theme Toggle Button */
.theme-toggle {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-muted);
  cursor: pointer;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  transition: all 0.3s ease;
}

.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: scale(1.05);
}



/* Mobile Toggle */
.nav-mobile-toggle {
  display: none !important;
}

@media (max-width: 1024px) {
  .nav-links {
    display: none !important;
  }

  .nav-mobile-toggle {
    display: flex !important;
  }

  .navbar {
    height: 70px;
  }
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background var(--t-slow), color var(--t-slow);
  padding-top: 72px;
  /* Offset for fixed navbar */
}

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

a {
  color: inherit;
  text-decoration: none;
}

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

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

/* ── Scrollbar ────────────────────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: rgba(37, 99, 235, 0.4);
  border-radius: 99px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(37, 99, 235, 0.7);
}

/* ── Typography ───────────────────────────────────────────────────────── */
h1,
h2,
h3,
h4,
h5 {
  font-family: var(--font-head);
  line-height: 1.2;
  font-weight: 700;
}

.text-gradient {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Utility Classes ──────────────────────────────────────────────────── */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

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

/* ── Navigation & Mega Menu ────────────────────────────────────────── */
/* All navigation and mega-menu styles are now consolidated in the premium section at the top. */

/* ── Hero Section ─────────────────────────────────────────────────────── */
.hero {
  padding: 100px 24px 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.08;
  /* Subtler for light mode */
}

.hero-orb-1 {
  width: 600px;
  height: 600px;
  background: var(--accent);
  top: -250px;
  left: 50%;
  transform: translateX(-50%);
  animation: orbFloat1 10s ease-in-out infinite;
}

.hero-orb-2 {
  width: 450px;
  height: 450px;
  background: var(--accent-blue);
  top: -150px;
  right: -100px;
  animation: orbFloat2 12s ease-in-out infinite;
}

.hero-orb-3 {
  width: 400px;
  height: 400px;
  background: #60a5fa;
  bottom: -100px;
  left: -100px;
  animation: orbFloat3 14s ease-in-out infinite;
}

@keyframes orbFloat1 {

  0%,
  100% {
    transform: translateX(-60%) translateY(0);
  }

  50% {
    transform: translateX(-60%) translateY(-30px);
  }
}

@keyframes orbFloat2 {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-40px);
  }
}

@keyframes orbFloat3 {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(20px);
  }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(37, 99, 235, 0.05);
  border: 1px solid rgba(37, 99, 235, 0.15);
  border-radius: var(--r-full);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 32px;
  animation: fadeInDown 0.6s ease both;
  box-shadow: var(--shadow-sm);
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
  box-shadow: 0 0 10px var(--accent-glow);
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.5;
    transform: scale(0.8);
  }
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  animation: fadeInDown 0.6s 0.1s ease both;
  line-height: 1.1;
}

.hero-subtext {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 40px;
  animation: fadeInDown 0.6s 0.2s ease both;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  margin-bottom: 56px;
  animation: fadeInDown 0.6s 0.3s ease both;
  flex-wrap: wrap;
}

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

.hero-stat-num {
  font-family: var(--font-head);
  font-size: 1.8rem;
  font-weight: 800;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.hero-stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* ── Search Bar ───────────────────────────────────────────────────────── */
.hero-search {
  max-width: 560px;
  margin: 0 auto;
  position: relative;
  animation: fadeInUp 0.6s 0.4s ease both;
}

.search-input {
  width: 100%;
  padding: 18px 60px 18px 54px;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--r-full);
  font-size: 1rem;
  color: var(--text-primary);
  outline: none;
  backdrop-filter: blur(12px);
  transition: all var(--t-base);
}

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

.search-input:focus {
  border-color: var(--accent);
  box-shadow: var(--shadow-input);
}

.search-icon {
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.search-btn {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  padding: 10px 20px;
  background: var(--grad-primary);
  color: white;
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: var(--r-full);
  transition: all var(--t-fast);
}

.search-btn:hover {
  opacity: 0.9;
  transform: translateY(-50%) scale(1.02);
}

/* ── Category Tabs ────────────────────────────────────────────────────── */
.category-tabs {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin: 48px 0 24px;
  padding: 0 24px;
}

.cat-tab {
  padding: 10px 24px;
  border-radius: var(--r-full);
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 700;
  transition: all var(--t-base);
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}

.cat-tab:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(37, 99, 235, 0.05);
  transform: translateY(-2px);
}

.cat-tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
  box-shadow: 0 10px 20px -5px rgba(37, 99, 235, 0.3);
}

.cat-tab-emoji {
  font-size: 1rem;
}

/* ── Section Headers ──────────────────────────────────────────────────── */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-title h2 {
  font-size: 1.5rem;
  font-weight: 700;
}

.section-title-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--grad-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.section-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--t-fast);
}

.section-link:hover {
  gap: 8px;
}

/* ── Tools Grid ───────────────────────────────────────────────────────── */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

.tool-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: all var(--t-slow);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow-card);
}

.tool-card:hover {
  border-color: var(--accent);
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.tool-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--accent);
  opacity: 0;
  transition: opacity var(--t-base);
}

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

.tool-card-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  position: relative;
  z-index: 1;
  transition: all var(--t-base);
  flex-shrink: 0;
  background: var(--bg-tertiary);
  border-radius: 16px;
  color: var(--accent);
}

.tool-card:hover .tool-card-icon {
  transform: scale(1.08) rotate(-3deg);
  background: var(--accent);
  color: white;
  box-shadow: 0 8px 20px var(--accent-glow);
}

.tool-card-body {
  position: relative;
  z-index: 1;
}

.tool-card-name {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.tool-card-tagline {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.tool-card-arrow {
  position: absolute;
  right: 16px;
  top: 16px;
  color: var(--text-muted);
  opacity: 0;
  transform: translateX(-4px);
  transition: all var(--t-fast);
}

.tool-card:hover .tool-card-arrow {
  opacity: 1;
  transform: translateX(0);
}

.tool-card-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  font-size: 0.65rem;
  font-weight: 800;
  padding: 5px 12px;
  border-radius: var(--r-full);
  background: rgba(37, 99, 235, 0.08);
  color: #2563eb;
  border: 1px solid rgba(37, 99, 235, 0.18);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.tool-card-badge.badge-fast {
  background: rgba(245, 158, 11, 0.1);
  color: #d97706;
  border-color: rgba(245, 158, 11, 0.2);
}

/* ── Featured Tools ───────────────────────────────────────────────────── */
.featured-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.featured-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 28px;
  position: relative;
  overflow: hidden;
  transition: all var(--t-base);
  display: flex;
  flex-direction: column;
  gap: 16px;
  text-decoration: none;
  color: inherit;
}

.featured-card-gradient {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--grad-primary);
}

.featured-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow);
  border-color: var(--accent);
}

.featured-card-header {
  display: flex;
  align-items: center;
  gap: 16px;
}

.featured-card-icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  flex-shrink: 0;
  transition: all var(--t-base);
  background: var(--bg-tertiary);
  border-radius: 16px;
  color: var(--accent);
}

.featured-card:hover .featured-card-icon {
  transform: scale(1.08) rotate(-3deg);
  background: var(--accent);
  color: white;
  box-shadow: 0 8px 20px var(--accent-glow);
}

.featured-card-name {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.featured-card-tag {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.featured-card-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  flex: 1;
}

.featured-card-action {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.featured-card-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  background: var(--grad-primary);
  color: white;
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: var(--r-full);
  transition: all var(--t-fast);
}

.featured-card-btn:hover {
  opacity: 0.9;
  transform: scale(1.02);
}

.featured-card-free {
  font-size: 0.78rem;
  font-weight: 600;
  color: #10B981;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ── Tool Page Layout ─────────────────────────────────────────────────── */
.tool-page {
  min-height: calc(100vh - 68px);
}

.tool-hero {
  padding: 60px 24px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.tool-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(37, 99, 235, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.tool-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.tool-breadcrumb a {
  color: var(--accent);
}

.tool-breadcrumb a:hover {
  text-decoration: underline;
}

.tool-hero-icon {
  width: 120px;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  margin: 0 auto 20px;
  position: relative;
  z-index: 1;
  background: transparent;
  border: none;
  animation: iconFloat 4s ease-in-out infinite;
}

@keyframes iconFloat {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-8px);
  }
}

.tool-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}

.tool-hero-sub {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto 32px;
  position: relative;
  z-index: 1;
}

.tool-trust-badges {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 48px;
  position: relative;
  z-index: 1;
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
}

.trust-badge-icon {
  color: #10B981;
}

/* ── Upload Zone ──────────────────────────────────────────────────────── */
.upload-container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px 80px;
}

.upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--r-xl);
  padding: 64px 40px;
  text-align: center;
  background: var(--bg-card);
  cursor: pointer;
  transition: all var(--t-base);
  position: relative;
  overflow: hidden;
}

.upload-zone::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-primary);
  opacity: 0;
  transition: opacity var(--t-base);
}

.upload-zone:hover,
.upload-zone.drag-over {
  border-color: var(--accent);
  background: rgba(37, 99, 235, 0.05);
  transform: scale(1.01);
}

.upload-zone:hover::before,
.upload-zone.drag-over::before {
  opacity: 0.03;
}

.upload-icon {
  width: 72px;
  height: 72px;
  border-radius: var(--r-xl);
  background: rgba(37, 99, 235, 0.1);
  border: 1px solid rgba(37, 99, 235, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  position: relative;
  z-index: 1;
  transition: all var(--t-base);
  color: var(--accent);
}

.upload-zone:hover .upload-icon,
.upload-zone.drag-over .upload-icon {
  background: rgba(37, 99, 235, 0.2);
  transform: scale(1.05) translateY(-4px);
}

.upload-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
  position: relative;
  z-index: 1;
}

.upload-subtitle {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
}

.upload-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: var(--grad-primary);
  color: white;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--r-full);
  transition: all var(--t-fast);
  position: relative;
  z-index: 1;
}

.upload-btn:hover {
  opacity: 0.9;
  transform: scale(1.03);
  box-shadow: 0 4px 20px var(--accent-glow);
}

.upload-constraints {
  margin-top: 16px;
  font-size: 0.78rem;
  color: var(--text-muted);
  position: relative;
  z-index: 1;
}

input[type="file"] {
  display: none;
}

/* ── Options Panel ────────────────────────────────────────────────────── */
.options-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 24px;
  margin-top: 20px;
}

.options-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.option-group {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.option-btn {
  flex: 1;
  min-width: 80px;
  padding: 12px 16px;
  border-radius: var(--r-md);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  text-align: center;
  transition: all var(--t-fast);
  cursor: pointer;
}

.option-btn:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}

.option-btn.selected {
  background: rgba(37, 99, 235, 0.15);
  border-color: var(--accent);
  color: var(--accent);
}

.option-btn .opt-icon {
  font-size: 1.2rem;
  margin-bottom: 4px;
  display: block;
}

.option-btn .opt-label {
  display: block;
}

.option-btn .opt-sub {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ── Files List ───────────────────────────────────────────────────────── */
.files-list {
  margin-top: 20px;
  display: none;
}

.files-list.visible {
  display: block;
}

.file-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  margin-bottom: 10px;
  animation: slideInUp 0.3s ease;
}

.file-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(239, 68, 68, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #EF4444;
}

.file-name {
  font-size: 0.9rem;
  font-weight: 500;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-size {
  font-size: 0.78rem;
  color: var(--text-muted);
  flex-shrink: 0;
}

.file-remove {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  background: transparent;
  transition: all var(--t-fast);
  flex-shrink: 0;
}

.file-remove:hover {
  background: rgba(239, 68, 68, 0.1);
  color: #EF4444;
}

/* ── Process Button ───────────────────────────────────────────────────── */
.process-btn {
  width: 100%;
  padding: 16px;
  background: var(--grad-primary);
  color: white;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--r-full);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 20px;
  transition: all var(--t-base);
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
  border: none;
  cursor: pointer;
}

.process-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(37, 99, 235, 0.4);
}

.process-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  display: none;
}

.process-btn.loading .btn-spinner {
  display: block;
}

.process-btn.loading .btn-text {
  display: none;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ── Progress Bar ─────────────────────────────────────────────────────── */
.progress-container {
  margin-top: 24px;
  display: none;
}

.progress-container.visible {
  display: block;
}

.progress-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  font-size: 0.875rem;
}

.progress-label {
  color: var(--text-secondary);
  font-weight: 500;
}

.progress-pct {
  color: var(--accent);
  font-weight: 700;
}

.progress-bar-track {
  height: 8px;
  background: var(--bg-tertiary);
  border-radius: var(--r-full);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: var(--grad-primary);
  border-radius: var(--r-full);
  width: 0%;
  transition: width 0.5s ease;
  position: relative;
  overflow: hidden;
}

.progress-bar-fill::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  from {
    transform: translateX(-100%);
  }

  to {
    transform: translateX(100%);
  }
}

/* ── Result Panel ─────────────────────────────────────────────────────── */
.result-panel {
  margin-top: 24px;
  display: none;
  animation: scaleIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.result-panel.visible {
  display: block;
}

.result-success {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.08), rgba(6, 182, 212, 0.05));
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: var(--r-xl);
  padding: 32px;
  text-align: center;
}

.result-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  color: #10B981;
}

.result-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.result-stats {
  display: flex;
  gap: 24px;
  justify-content: center;
  margin: 20px 0;
  flex-wrap: wrap;
}

.result-stat {
  text-align: center;
  padding: 12px 24px;
  background: var(--bg-card);
  border-radius: var(--r-md);
  border: 1px solid var(--border);
}

.result-stat-val {
  font-size: 1.4rem;
  font-weight: 800;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.result-stat-key {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.result-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 24px;
  flex-wrap: wrap;
}

.btn-download {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: var(--grad-primary);
  color: white;
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--r-full);
  transition: all var(--t-fast);
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.btn-download:hover {
  opacity: 0.9;
  transform: scale(1.03);
}

.btn-reset {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 24px;
  background: var(--bg-card);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--r-full);
  border: 1px solid var(--border);
  transition: all var(--t-fast);
}

.btn-reset:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
}

.result-error {
  background: rgba(239, 68, 68, 0.06);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: var(--r-xl);
  padding: 28px;
  text-align: center;
  color: #FC8181;
}

/* ── Related Tools ────────────────────────────────────────────────────── */
.related-tools {
  padding: 60px 24px;
  max-width: 720px;
  margin: 0 auto;
}

/* ── Merge File List ──────────────────────────────────────────────────── */
.merge-files-area {
  min-height: 80px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 16px;
  margin-top: 16px;
}

.merge-hint {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
  padding: 12px 0;
}

.merge-file-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  margin-bottom: 8px;
  cursor: grab;
  transition: all var(--t-fast);
}

.merge-file-item:hover {
  border-color: var(--border-hover);
}

.merge-file-num {
  width: 24px;
  height: 24px;
  background: rgba(37, 99, 235, 0.15);
  color: var(--accent);
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.merge-file-drag {
  color: var(--text-muted);
  flex-shrink: 0;
  cursor: grab;
}

/* ── How It Works ─────────────────────────────────────────────────────── */
.how-it-works {
  padding: 80px 24px;
  max-width: 900px;
  margin: 0 auto;
}

.how-it-works h2 {
  text-align: center;
  margin-bottom: 48px;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
}

.step-card {
  text-align: center;
  padding: 32px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  position: relative;
  transition: all var(--t-base);
}

.step-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
}

.step-num {
  width: 48px;
  height: 48px;
  background: var(--grad-primary);
  color: white;
  font-weight: 800;
  font-size: 1.25rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.step-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.step-title {
  font-weight: 700;
  margin-bottom: 8px;
}

.step-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ── FAQ ──────────────────────────────────────────────────────────────── */
.faq-section {
  padding: 60px 24px;
  max-width: 720px;
  margin: 0 auto;
}

.faq-section h2 {
  text-align: center;
  margin-bottom: 32px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  margin-bottom: 12px;
  overflow: hidden;
  transition: all var(--t-fast);
}

.faq-item:hover {
  border-color: var(--border-hover);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 600;
  font-size: 0.95rem;
  text-align: left;
  color: var(--text-primary);
  background: transparent;
  cursor: pointer;
}

.faq-icon {
  transition: transform var(--t-fast);
  flex-shrink: 0;
  color: var(--accent);
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.faq-item.open .faq-answer {
  max-height: 200px;
  padding: 0 24px 20px;
}

/* Footer styles are self-contained in footer.html inline <style> */

/* ── Category Page ────────────────────────────────────────────────────── */
.cat-hero {
  padding: 60px 24px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cat-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 0%, rgba(37, 99, 235, 0.08), transparent 70%);
}

.cat-hero-content {
  position: relative;
  z-index: 1;
}

.cat-hero-icon {
  font-size: 3.5rem;
  margin-bottom: 16px;
  display: block;
  animation: iconFloat 4s ease-in-out infinite;
}

.cat-hero h1 {
  margin-bottom: 12px;
}

.cat-hero-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto;
}

.cat-content {
  max-width: 1280px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

.cat-tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}

/* ── Animations ───────────────────────────────────────────────────────── */
@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ── Responsive Toggles (Desktop Default) ── */
.nav-mobile-toggle {
  display: none;
}

.mobile-menu {
  display: none;
}

/* ── Responsive ───────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .nav-links {
    display: none;
  }

  .nav-mobile-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    cursor: pointer;
    transition: all var(--t-fast);
  }

  .hamburger {
    width: 20px;
    height: 14px;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }

  .hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s var(--t-base);
  }

  .nav-mobile-toggle.active .hamburger span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }

  .nav-mobile-toggle.active .hamburger span:nth-child(2) {
    opacity: 0;
  }

  .nav-mobile-toggle.active .hamburger span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }

  .mobile-menu {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-primary);
    z-index: 999;
    display: flex;
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-10px);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .mobile-menu.open {
    display: flex !important;
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: all !important;
    transform: translateY(0);
  }

  .mobile-search {
    padding: 24px;
    border-bottom: 1px solid var(--border);
    position: relative;
  }

  .mobile-search input {
    width: 100%;
    padding: 14px 20px 14px 48px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    color: var(--text-primary);
    outline: none;
  }

  .mobile-search i {
    position: absolute;
    left: 40px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
  }

  .mobile-scroll-area {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
  }

  .mobile-accordion-item {
    margin-bottom: 12px;
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    background: var(--bg-card);
    overflow: hidden;
  }

  .mobile-accordion-trigger {
    width: 100%;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: none;
    border: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
  }

  .mobile-cat-icon {
    font-size: 1.25rem;
  }

  .mobile-accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
    background: var(--bg-card);
  }

  .mobile-accordion-item.active .mobile-accordion-content {
    max-height: 1000px;
    border-top: 1px solid var(--border);
  }

  .mobile-accordion-item.active i[data-lucide="chevron-down"] {
    transform: rotate(180deg);
  }

  .mobile-tool-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    padding: 16px;
  }

  .mobile-tool-link {
    padding: 12px;
    background: var(--bg-tertiary);
    border-radius: var(--r-md);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
  }

  .mobile-footer {
    padding: 24px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 12px;
  }

  .mobile-home-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 14px;
    background: var(--grad-primary);
    color: white;
    border-radius: var(--r-xl);
    font-weight: 700;
    text-decoration: none;
  }

  .mobile-theme-switch {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 14px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    color: var(--text-primary);
    font-weight: 600;
    cursor: pointer;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .hero-stats {
    gap: 24px;
  }

  .hero-stat-divider {
    display: none;
  }

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

  /* Footer responsive handled in footer.html */
}

@media (max-width: 600px) {
  .hero {
    padding: 60px 24px 40px;
  }

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

  .tools-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  }

  .upload-zone {
    padding: 40px 20px;
  }

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

  .result-stats {
    flex-direction: column;
    align-items: center;
  }

  .result-actions {
    flex-direction: column;
  }

  .btn-download,
  .btn-reset {
    width: 100%;
    justify-content: center;
  }

  /* Footer responsive handled in footer.html */
}

/* ── Modal Overlay ───────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10, 10, 15, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 16px;
  animation: modalFadeIn 0.25s ease-out;
}

@keyframes modalFadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: scale(0.92) translateY(10px);
  }

  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.modal-overlay .modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 48px 40px 40px;
  max-width: 440px;
  width: 100%;
  text-align: center;
  box-shadow: var(--shadow-hover);
  animation: modalSlideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay .modal-icon {
  width: 64px;
  height: 64px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  background: rgba(37, 99, 235, 0.1);
  color: var(--accent);
}

.modal-overlay .modal-icon svg {
  width: 28px;
  height: 28px;
}

.modal-overlay .modal.error .modal-icon {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}

.modal-overlay .modal.success .modal-icon {
  background: rgba(34, 197, 94, 0.1);
  color: #22c55e;
}

.modal-overlay .modal-title {
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.modal-overlay .modal-message {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 32px;
}

.modal-overlay .modal-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 32px;
  border-radius: var(--r-md);
  font-weight: 700;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  background: var(--grad-primary);
  color: white;
  transition: all var(--t-fast);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.modal-overlay .modal-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.modal-overlay .modal.error .modal-btn {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.modal-overlay .modal.success .modal-btn {
  background: linear-gradient(135deg, #22c55e, #16a34a);
  box-shadow: 0 4px 12px rgba(34, 197, 94, 0.3);
}

/* ── Global Premium Modal ────────────────────────────────────────────── */
.tv-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(10, 10, 15, 0.4);
  backdrop-filter: blur(8px) saturate(150%);
  -webkit-backdrop-filter: blur(8px) saturate(150%);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: modalFadeIn 0.3s ease forwards;
}

[data-theme="light"] .tv-modal-overlay {
  background: rgba(255, 255, 255, 0.4);
}

.tv-modal-container {
  width: 100%;
  max-width: 480px;
  padding: 24px;
}

.tv-modal-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 40px;
  text-align: center;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  position: relative;
  overflow: hidden;
}

[data-theme="light"] .tv-modal-card {
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.1);
}

.tv-modal-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--grad-primary);
}

.tv-modal-icon-wrapper {
  margin: 0 auto 24px;
  width: 80px;
  height: 80px;
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
}

.tv-modal-title {
  font-family: var(--font-head);
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.tv-modal-message {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.6;
  margin-bottom: 32px;
}

.tv-modal-actions {
  display: flex;
  justify-content: center;
}

.tv-modal-btn {
  padding: 14px 32px;
  border-radius: var(--r-md);
  font-weight: 700;
  font-size: 1rem;
  transition: all var(--t-base);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.tv-modal-btn-primary {
  background: var(--grad-primary);
  color: white;
  box-shadow: 0 10px 20px -5px rgba(37, 99, 235, 0.4);
}

.tv-modal-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 30px -5px rgba(37, 99, 235, 0.5);
}

/* Animations */
@keyframes modalFadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes modalFadeOut {
  from {
    opacity: 1;
  }

  to {
    opacity: 0;
  }
}

.animate-modal-in {
  animation: zoomIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.animate-modal-out {
  animation: zoomOut 0.3s ease forwards;
}

.animate-fade-out {
  animation: modalFadeOut 0.3s ease forwards;
}

@keyframes zoomIn {
  from {
    transform: scale(0.9) translateY(20px);
    opacity: 0;
  }

  to {
    transform: scale(1) translateY(0);
    opacity: 1;
  }
}

@keyframes zoomOut {
  from {
    transform: scale(1) translateY(0);
    opacity: 1;
  }

  to {
    transform: scale(0.9) translateY(20px);
    opacity: 0;
  }
}

/* ── Mega Menu: Empty State ──────────────────────────────────────── */
.mega-empty-state {
  display: none;
  text-align: center;
  padding: 4rem 2rem;
}

.mega-empty-state .empty-icon-orb {
  width: 80px;
  height: 80px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
}

.mega-empty-state .empty-icon-orb i {
  width: 2rem;
  height: 2rem;
  color: var(--text-muted);
}

.mega-empty-state h5 {
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.mega-empty-state p {
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* ── Mega Menu: Search Tip ──────────────────────────────────────── */
.search-tip {
  position: absolute;
  right: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
  pointer-events: none;
}

.search-tip kbd {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px 8px;
  font-size: 0.8rem;
  font-family: var(--font-head);
  font-weight: 800;
  color: var(--accent);
}

/* ── View-All Item in Mega ──────────────────────────────────── */
.view-all-item .view-all-btn {
  color: var(--accent) !important;
  font-weight: 800;
  font-size: 0.8rem;
}

.view-all-item .view-all-btn:hover {
  background: rgba(37, 99, 235, 0.08);
}

/* ── Tool Cards Enhancement ── */
.tool-card {
  position: relative;
  overflow: hidden;
}

.tool-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left 0.6s ease;
}

.tool-card:hover::before {
  left: 100%;
}

/* ── Enhanced Form Controls ── */
.form-control-lg:focus,
.u-input:focus,
.u-select:focus {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.15);
}

/* ── Button Micro-interactions ── */
.btn-primary,
.u-btn-execute {
  position: relative;
  overflow: hidden;
}

.btn-primary::after,
.u-btn-execute::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s ease, height 0.6s ease;
}

.btn-primary:active::after,
.u-btn-execute:active::after {
  width: 300px;
  height: 300px;
}

/* ── Loading States ── */
.loading {
  position: relative;
  pointer-events: none;
  opacity: 0.7;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid transparent;
  border-top: 2px solid var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* ── Mobile Menu Enhancements ── */
.mobile-menu {
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-menu.open {
  transform: translateX(0);
}

.mobile-accordion-item {
  border-bottom: 1px solid var(--border);
}

.mobile-accordion-trigger {
  padding: 1rem;
  background: transparent;
  border: none;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-primary);
  font-weight: 600;
  transition: all 0.3s ease;
}

.mobile-accordion-trigger:hover {
  background: var(--bg-card-hover);
}

.mobile-accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.mobile-accordion-item.active .mobile-accordion-content {
  max-height: 500px;
}

.mobile-tool-link {
  display: block;
  padding: 0.75rem 1rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: all 0.2s ease;
  border-left: 2px solid transparent;
}

.mobile-tool-link:hover {
  background: var(--bg-tertiary);
  color: var(--accent);
  border-left-color: var(--accent);
  padding-left: 1.5rem;
}

/* Duplicate footer-container removed — styles in footer.html */

/* ── Animations (fadeInUp, fadeInDown, scale-in) ──────────────── */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in {
  animation: fadeInUp 0.7s ease both;
}

.animate-scale-in {
  animation: zoomIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

/* ── Mobile Nav Toggle (Hamburger) ──────────────────────────── */
.hamburger {
  width: 24px;
  height: 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Theme Toggle */
.theme-toggle {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.theme-toggle:hover {
  background: var(--bg-tertiary);
  transform: scale(1.05);
}

.theme-toggle i {
  width: 20px;
  height: 20px;
  color: var(--text-secondary);
  transition: all 0.2s ease;
}

.nav-mobile-toggle {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: var(--bg-card, transparent);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

/* ── Mobile Menu ──────────────────────────────────────────────── */
.mobile-menu {
  position: fixed;
  top: 80px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-primary);
  z-index: 999;
  display: none;
  flex-direction: column;
  overflow-y: auto;
  padding: 1rem;
}

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

.mobile-search {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0.75rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 1rem;
  margin-bottom: 1rem;
}

.mobile-search i {
  width: 20px;
  height: 20px;
  color: var(--text-muted);
}

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

.mobile-scroll-area {
  flex: 1;
  overflow-y: auto;
}

.mobile-accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
}

.mobile-accordion-trigger i {
  width: 18px;
  height: 18px;
  transition: transform 0.3s ease;
}

.mobile-accordion-item.active .mobile-accordion-trigger i {
  transform: rotate(180deg);
}

.mobile-accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.mobile-accordion-item.active .mobile-accordion-content {
  max-height: 600px;
}

.mobile-tool-grid {
  display: flex;
  flex-direction: column;
  padding: 0 1rem 1rem;
}

.mobile-tool-link {
  display: block;
  padding: 0.6rem 1rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  border-radius: 8px;
  transition: all 0.2s ease;
}

.mobile-tool-link:hover {
  background: var(--bg-card);
  color: var(--text-primary);
}

.mobile-footer {
  padding: 1rem;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mobile-home-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-primary);
  font-weight: 700;
  text-decoration: none;
}

.mobile-theme-switch {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  cursor: pointer;
}

.mobile-cat-icon {
  font-size: 1.2rem;
}

/* ── Enhanced Logo Styles ─────────────────────────────────────────────────── */
.nav-logo-svg {
  transition: all 0.3s ease;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.nav-logo-svg:hover {
  transform: scale(1.05);
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.15));
}

.tool-icon {
  transition: all 0.3s ease;
}

.nav-logo-svg:hover .tool-icon {
  transform: translateY(-2px);
}

.nav-logo-svg:hover .tool-icon rect:first-child {
  filter: brightness(1.1);
}

.logo-text {
  fill: var(--text-primary);
  transition: all 0.3s ease;
}

.nav-logo-svg:hover .logo-text {
  fill: var(--accent);
  transform: translateX(2px);
}

/* Light mode adjustments */
[data-theme="light"] .logo-text {
  fill: #1e293b;
}

[data-theme="light"] .nav-logo-svg:hover .logo-text {
  fill: #667eea;
}

/* Enhanced navbar styles */
.navbar {
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: var(--bg-glass);
  border-bottom: 1px solid var(--border);
}

/* Enhanced theme toggle */
.theme-toggle {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}

.theme-toggle::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--grad-primary);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.theme-toggle:hover {
  transform: scale(1.05);
  border-color: var(--accent);
}

.theme-toggle:hover::before {
  opacity: 0.1;
}

.theme-toggle i {
  width: 20px;
  height: 20px;
  color: var(--text-secondary);
  transition: all 0.2s ease;
  position: relative;
  z-index: 1;
}

.theme-toggle:hover i {
  color: var(--accent);
}

/* Footer styles are self-contained in footer.html */