:root {
  --bg-primary: #0b0f19;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.85);
  --bg-card-hover: rgba(31, 41, 55, 0.9);
  --bg-glass: rgba(17, 24, 39, 0.65);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(239, 68, 68, 0.4);
  --text-primary: #f9fafb;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  --accent-primary: #ef4444;
  --accent-primary-hover: #dc2626;
  --accent-secondary: #f97316;
  --accent-glow: rgba(239, 68, 68, 0.25);
  --success: #10b981;
  --warning: #f59e0b;
  --info: #3b82f6;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-glow: 0 0 30px rgba(239, 68, 68, 0.2);
  --font-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Outfit', 'Inter', -apple-system, sans-serif;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.9);
  --bg-card-hover: #ffffff;
  --bg-glass: rgba(255, 255, 255, 0.8);
  --border-color: rgba(0, 0, 0, 0.08);
  --border-hover: rgba(239, 68, 68, 0.5);
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --accent-primary: #ef4444;
  --accent-primary-hover: #dc2626;
  --accent-secondary: #ea580c;
  --accent-glow: rgba(239, 68, 68, 0.15);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.08);
  --shadow-glow: 0 0 30px rgba(239, 68, 68, 0.12);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-base);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  transition: background-color var(--transition-smooth), color var(--transition-smooth);
}

.ambient-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.ambient-glow-1 {
  position: absolute;
  top: -15%;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 500px;
  background: radial-gradient(circle, rgba(239, 68, 68, 0.18) 0%, rgba(249, 115, 22, 0.08) 50%, transparent 70%);
  filter: blur(80px);
  border-radius: 50%;
}

.ambient-glow-2 {
  position: absolute;
  top: 45%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
  filter: blur(90px);
  border-radius: 50%;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}

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

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: none;
}

/* NAVBAR */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  transition: all var(--transition-normal);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 4px 14px var(--accent-glow);
}

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

.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  cursor: pointer;
}

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

.nav-link svg {
  transition: transform var(--transition-fast);
}

/* Strict requirement: Dropdown CSS must be top: 100% ; */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition-normal), transform var(--transition-normal), visibility var(--transition-normal);
  z-index: 110;
}

.dropdown-mega {
  width: 760px;
  max-width: 92vw;
  padding: 20px;
}

.dropdown-menu.show, .nav-item:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.mega-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.mega-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: transparent;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.mega-item:hover {
  color: var(--text-primary);
  background: var(--border-color);
  border-color: var(--border-color);
  transform: translateY(-1px);
}

.mega-item svg {
  color: var(--accent-primary);
  flex-shrink: 0;
}

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

.theme-toggle-btn, .mobile-toggle-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  background: var(--border-color);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover, .mobile-toggle-btn:hover {
  color: var(--text-primary);
  background: var(--border-hover);
}

.mobile-toggle-btn {
  display: none;
}

/* BREADCRUMB */
.breadcrumb-section {
  padding: 16px 0 8px;
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  font-size: 0.86rem;
  color: var(--text-muted);
}

.breadcrumb-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

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

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

.breadcrumb-item.active {
  color: var(--accent-primary);
  font-weight: 600;
}

.breadcrumb-sep {
  font-size: 0.75rem;
  opacity: 0.6;
}

/* HERO SECTION */
.hero-section {
  padding: 30px 0 50px;
  text-align: center;
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: 999px;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--accent-primary);
  margin-bottom: 18px;
  box-shadow: 0 2px 10px rgba(239, 68, 68, 0.1);
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 14px;
  line-height: 1.15;
}

.gradient-text {
  background: linear-gradient(135deg, #ef4444 0%, #f97316 60%, #fb923c 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto 32px;
  line-height: 1.55;
}

/* CONVERTER CARD */
.converter-card {
  max-width: 860px;
  margin: 0 auto;
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 28px;
  box-shadow: var(--shadow-md), var(--shadow-glow);
  position: relative;
  text-align: left;
}

.input-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.url-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  background: var(--bg-primary);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 6px 12px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.url-input-wrapper.focused {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.url-input-wrapper.valid {
  border-color: var(--success);
}

.url-input-wrapper.invalid {
  border-color: var(--accent-primary);
}

.url-icon {
  color: var(--text-muted);
  margin-right: 10px;
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.url-input {
  flex: 1;
  height: 48px;
  font-size: 1.05rem;
  color: var(--text-primary);
  min-width: 0;
}

.url-input::placeholder {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.input-actions-inner {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.btn-icon-action {
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: var(--border-color);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-icon-action:hover {
  color: var(--text-primary);
  background: var(--border-hover);
}

.validation-feedback {
  font-size: 0.85rem;
  margin-top: -6px;
  display: flex;
  align-items: center;
  gap: 6px;
  min-height: 20px;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.validation-feedback.valid {
  color: var(--success);
}

.validation-feedback.invalid {
  color: var(--accent-primary);
}

/* SETTINGS ROW */
.conversion-settings-row {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 14px;
  align-items: center;
}

.setting-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.setting-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 5px;
}

.custom-select-wrapper {
  position: relative;
}

.custom-select {
  width: 100%;
  height: 48px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0 36px 0 14px;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  transition: border-color var(--transition-fast);
}

.custom-select:hover, .custom-select:focus {
  border-color: var(--accent-primary);
}

.select-arrow {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.btn-primary-convert {
  height: 48px;
  padding: 0 28px;
  margin-top: 22px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: #ffffff;
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  box-shadow: 0 4px 16px var(--accent-glow);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  white-space: nowrap;
}

.btn-primary-convert:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--accent-glow);
}

.btn-primary-convert:active {
  transform: translateY(0);
}

.btn-primary-convert:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* PROGRESS BAR */
.progress-container {
  display: none;
  margin-top: 20px;
  background: var(--bg-primary);
  border-radius: var(--radius-md);
  padding: 16px;
  border: 1px solid var(--border-color);
}

.progress-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.progress-bar-bg {
  height: 8px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  overflow: hidden;
  position: relative;
}

.progress-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  border-radius: 999px;
  transition: width 0.25s ease;
}

/* RESULT CARD */
.result-container {
  display: none;
  margin-top: 24px;
  border-top: 1px solid var(--border-color);
  padding-top: 24px;
}

.video-info-box {
  display: flex;
  gap: 20px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-bottom: 20px;
}

.video-thumbnail-wrap {
  position: relative;
  width: 180px;
  min-width: 180px;
  height: 105px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: #000;
}

.video-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-duration-badge {
  position: absolute;
  bottom: 6px;
  right: 6px;
  background: rgba(0, 0, 0, 0.85);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
}

.video-details {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.video-title {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.video-meta-tags {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.84rem;
  color: var(--text-secondary);
  flex-wrap: wrap;
}

.video-author {
  color: var(--accent-primary);
  font-weight: 600;
}

/* AUDIO PLAYER & WAVEFORM */
.audio-player-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-bottom: 20px;
}

.waveform-wrap {
  position: relative;
  width: 100%;
  height: 64px;
  background: rgba(0, 0, 0, 0.2);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 12px;
}

#waveformCanvas {
  width: 100%;
  height: 100%;
  display: block;
}

.player-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.player-left-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-play-pause {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.btn-play-pause:hover {
  transform: scale(1.08);
}

.audio-time {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
}

.player-right-controls {
  display: flex;
  align-items: center;
  gap: 14px;
}

.volume-control-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.84rem;
  color: var(--text-secondary);
}

.custom-range {
  width: 90px;
  accent-color: var(--accent-primary);
  cursor: pointer;
}

/* ADVANCED AUDIO TOOLS ACCORDION */
.audio-editor-panel {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-bottom: 20px;
}

.editor-panel-title {
  font-size: 0.92rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
}

.editor-tools-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border-color);
}

.tool-card-inner {
  background: var(--bg-secondary);
  padding: 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.tool-card-inner h5 {
  font-size: 0.82rem;
  margin-bottom: 8px;
  color: var(--text-secondary);
}

.trimmer-inputs {
  display: flex;
  gap: 8px;
  align-items: center;
}

.time-input {
  width: 75px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 4px 6px;
  color: var(--text-primary);
  font-size: 0.82rem;
  text-align: center;
}

.id3-inputs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.id3-input {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 4px 8px;
  color: var(--text-primary);
  font-size: 0.8rem;
}

/* ACTION BUTTONS */
.result-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.btn-action-primary {
  flex: 2;
  min-width: 180px;
  height: 46px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: #fff;
  border-radius: var(--radius-sm);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 14px var(--accent-glow);
}

.btn-action-primary:hover {
  transform: translateY(-2px);
}

.btn-action-secondary {
  flex: 1;
  min-width: 130px;
  height: 46px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-action-secondary:hover {
  background: var(--border-color);
  border-color: var(--border-hover);
}

/* BATCH QUEUE */
.batch-queue-container {
  max-width: 860px;
  margin: 20px auto 0;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 20px;
}

.batch-queue-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  font-size: 0.9rem;
  font-weight: 700;
}

.batch-input-area {
  width: 100%;
  height: 70px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 10px;
  color: var(--text-primary);
  font-size: 0.85rem;
  resize: vertical;
  margin-bottom: 8px;
}

/* MORE TOOLS SECTION */
.more-tools-section {
  padding: 60px 0;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 40px;
}

.section-tag {
  color: var(--accent-primary);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
  display: inline-block;
}

.section-title {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

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

.tools-grid-responsive {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}

.tool-badge-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.tool-badge-card:hover {
  border-color: var(--accent-primary);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.tool-badge-card svg {
  color: var(--accent-primary);
  flex-shrink: 0;
}

/* FEATURES SECTION */
.features-section {
  padding: 60px 0;
  background: rgba(0, 0, 0, 0.15);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-primary), transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.feature-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

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

.feature-icon-wrap {
  width: 52px;
  height: 52px;
  background: rgba(239, 68, 68, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 10px;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* HOW IT WORKS SECTION */
.how-it-works-section {
  padding: 60px 0;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  position: relative;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  position: relative;
  text-align: center;
}

.step-number {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  margin: 0 auto 16px;
  box-shadow: 0 4px 12px var(--accent-glow);
}

.step-card h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
}

.step-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* SEO ARTICLE SECTION */
.seo-article-section {
  padding: 60px 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.seo-article-content {
  max-width: 860px;
  margin: 0 auto;
}

.seo-article-content h2 {
  font-size: 1.8rem;
  margin-bottom: 18px;
}

.seo-article-content h3 {
  font-size: 1.3rem;
  margin: 24px 0 12px;
}

.seo-article-content p {
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

.seo-article-content ul {
  list-style-position: inside;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.seo-article-content li {
  margin-bottom: 8px;
}

/* FAQ SECTION */
.faq-section {
  padding: 60px 0;
}

.faq-accordion {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

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

.faq-question {
  width: 100%;
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--text-primary);
  cursor: pointer;
}

.faq-icon {
  transition: transform var(--transition-normal);
  color: var(--accent-primary);
  flex-shrink: 0;
  margin-left: 12px;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal), padding var(--transition-normal);
  padding: 0 20px;
  color: var(--text-secondary);
  font-size: 0.94rem;
  line-height: 1.65;
}

.faq-item.active .faq-answer {
  padding: 0 20px 18px;
  max-height: 400px;
}

/* CTA SECTION */
.cta-section {
  padding: 70px 0;
}

.cta-box {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.15), rgba(249, 115, 22, 0.1));
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius-xl);
  padding: 50px 30px;
  text-align: center;
  box-shadow: var(--shadow-glow);
}

.cta-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin-bottom: 14px;
}

.cta-desc {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto 30px;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-cta-primary {
  padding: 14px 28px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: #fff;
  font-weight: 700;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 16px var(--accent-glow);
  transition: transform var(--transition-fast);
}

.btn-cta-primary:hover {
  transform: translateY(-2px);
}

.btn-cta-outline {
  padding: 14px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-weight: 700;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.btn-cta-outline:hover {
  background: var(--border-color);
  border-color: var(--border-hover);
}

/* FOOTER */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 60px 0 30px;
  font-size: 0.88rem;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 36px;
  margin-bottom: 40px;
}

.footer-brand p {
  color: var(--text-secondary);
  margin: 14px 0 20px;
  max-width: 320px;
  line-height: 1.6;
}

.footer-col h4 {
  font-size: 1rem;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

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

.footer-disclaimer-box {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 16px;
  margin-bottom: 24px;
  color: var(--text-muted);
  font-size: 0.8rem;
  line-height: 1.6;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 14px;
}

.footer-bottom-links {
  display: flex;
  gap: 16px;
}

.footer-bottom-links a {
  color: var(--text-secondary);
}

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

/* COOKIE BANNER */
.cookie-banner {
  position: fixed;
  bottom: 20px;
  right: 20px;
  max-width: 420px;
  width: calc(100% - 40px);
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 18px;
  box-shadow: var(--shadow-md);
  z-index: 1000;
  display: none;
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from { transform: translateY(50px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.cookie-content p {
  font-size: 0.84rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
  line-height: 1.5;
}

.cookie-actions {
  display: flex;
  gap: 10px;
}

.btn-cookie-accept {
  flex: 1;
  padding: 8px 14px;
  background: var(--accent-primary);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 0.84rem;
  font-weight: 600;
  cursor: pointer;
}

.btn-cookie-dismiss {
  flex: 1;
  padding: 8px 14px;
  background: var(--border-color);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  font-size: 0.84rem;
  font-weight: 600;
  cursor: pointer;
}

/* TOAST NOTIFICATION */
.toast-msg {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--bg-secondary);
  border: 1px solid var(--accent-primary);
  color: var(--text-primary);
  padding: 10px 20px;
  border-radius: 999px;
  box-shadow: var(--shadow-md);
  font-size: 0.88rem;
  font-weight: 600;
  z-index: 2000;
  opacity: 0;
  transition: all var(--transition-normal);
  pointer-events: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.toast-msg.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* QR MODAL */
.qr-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(5px);
  z-index: 1500;
  display: none;
  align-items: center;
  justify-content: center;
}

.qr-modal-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  max-width: 320px;
  text-align: center;
  position: relative;
}

.qr-modal-card h4 {
  margin-bottom: 8px;
}

.qr-modal-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.qr-canvas-wrap {
  background: #fff;
  padding: 12px;
  border-radius: var(--radius-sm);
  display: inline-block;
  margin-bottom: 16px;
}

.btn-close-modal {
  position: absolute;
  top: 12px;
  right: 12px;
  cursor: pointer;
  color: var(--text-muted);
}

/* RESPONSIVE MEDIA QUERIES */
@media (max-width: 992px) {
  .footer-top-grid {
    grid-template-columns: 1fr 1fr;
  }
  .conversion-settings-row {
    grid-template-columns: 1fr 1fr;
  }
  .btn-primary-convert {
    grid-column: span 2;
    margin-top: 8px;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 20px;
    flex-direction: column;
    align-items: flex-start;
  }
  .nav-menu.mobile-open {
    display: flex;
  }
  .dropdown-mega {
    position: static;
    transform: none;
    width: 100%;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    box-shadow: none;
    border: none;
    padding: 10px 0;
  }
  .mega-grid {
    grid-template-columns: 1fr;
  }
  .mobile-toggle-btn {
    display: flex;
  }
  .video-info-box {
    flex-direction: column;
  }
  .video-thumbnail-wrap {
    width: 100%;
    height: 180px;
  }
  .editor-tools-grid {
    grid-template-columns: 1fr;
  }
  .footer-top-grid {
    grid-template-columns: 1fr;
  }
}