/* ==========================================================================
   TTCLOUD - Extreme Minimal & High Performance Dark Cyber Styling
   Zero Frameworks, Pure CSS3, Mobile First & Desktop Optimized
   ========================================================================== */

:root {
  --bg-color: #030712;
  --bg-card: rgba(15, 23, 42, 0.72);
  --bg-card-hover: rgba(30, 41, 59, 0.85);
  --cyan-primary: #22d3ee;
  --cyan-glow: rgba(34, 211, 238, 0.35);
  --blue-accent: #38bdf8;
  --purple-accent: #a855f7;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --border-color: rgba(56, 189, 248, 0.16);
  --border-glow: rgba(34, 211, 238, 0.45);
  --nav-bg: rgba(3, 7, 18, 0.85);
  --font-heading: 'Sora', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-color);
  color: var(--text-main);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg-color);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  line-height: 1.65;
}

/* Background Canvas */
#particles-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.site-wrapper {
  position: relative;
  z-index: 1;
}

/* Typography */
h1, h2, h3, h4, .brand-logo {
  font-family: var(--font-heading);
  letter-spacing: -0.02em;
  color: #ffffff;
}

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

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* Gradient Text */
.gradient-text {
  background: linear-gradient(135deg, #ffffff 0%, var(--cyan-primary) 60%, var(--blue-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.cyan-text {
  color: var(--cyan-primary);
}

/* Navigation Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: var(--nav-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.45rem;
  font-weight: 800;
}

.logo-badge {
  background: linear-gradient(135deg, var(--cyan-primary), #0284c7);
  color: #030712;
  width: 34px;
  height: 34px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  box-shadow: 0 0 16px var(--cyan-glow);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
  padding: 6px 0;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--cyan-primary);
}

.nav-links a.nav-badge-link {
  color: #ffffff;
  background: rgba(34, 211, 238, 0.12);
  border: 1px solid rgba(34, 211, 238, 0.35);
  padding: 6px 14px;
  border-radius: 20px;
  transition: all var(--transition-fast);
}

.nav-links a.nav-badge-link:hover {
  background: rgba(34, 211, 238, 0.25);
  box-shadow: 0 0 14px var(--cyan-glow);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.btn-header {
  padding: 8px 18px;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
}

.mobile-menu-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-main);
  font-size: 1.6rem;
  cursor: pointer;
  padding: 6px;
}

/* Button UI Components */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-align: center;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #06b6d4 0%, #0284c7 100%);
  color: #ffffff;
  box-shadow: 0 4px 18px rgba(6, 182, 212, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #22d3ee 0%, #0369a1 100%);
  box-shadow: 0 6px 24px rgba(34, 211, 238, 0.55);
  transform: translateY(-2px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.16);
  color: #ffffff;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--cyan-primary);
  color: var(--cyan-primary);
  box-shadow: 0 0 16px rgba(34, 211, 238, 0.2);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

.btn-pulse {
  position: relative;
  overflow: hidden;
}

.btn-pulse::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.15), transparent);
  transform: rotate(30deg);
  animation: shineSweep 4s infinite linear;
}

@keyframes shineSweep {
  0% { transform: translate(-100%, -100%) rotate(30deg); }
  20%, 100% { transform: translate(100%, 100%) rotate(30deg); }
}

/* Hero Section */
.hero-section {
  padding-top: 150px;
  padding-bottom: 90px;
  text-align: center;
  position: relative;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(34, 211, 238, 0.09);
  border: 1px solid rgba(34, 211, 238, 0.28);
  padding: 6px 18px;
  border-radius: 999px;
  font-size: 0.88rem;
  color: var(--cyan-primary);
  margin-bottom: 24px;
}

.hero-pill-dot {
  width: 7px;
  height: 7px;
  background-color: var(--cyan-primary);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--cyan-primary);
  animation: pulseDot 2s infinite ease-in-out;
}

@keyframes pulseDot {
  0%, 100% { opacity: 0.3; transform: scale(0.9); }
  50% { opacity: 1; transform: scale(1.2); }
}

.hero-title {
  font-size: clamp(2.3rem, 5.5vw, 4.2rem);
  font-weight: 800;
  line-height: 1.18;
  margin-bottom: 24px;
  max-width: 950px;
  margin-left: auto;
  margin-right: auto;
}

.typewriter-wrapper {
  display: inline-block;
  color: var(--cyan-primary);
  min-width: 280px;
  text-align: left;
}

.typewriter-text {
  border-bottom: 2px solid transparent;
}

.typewriter-cursor {
  display: inline-block;
  width: 3px;
  background-color: var(--cyan-primary);
  margin-left: 3px;
  animation: blink 0.9s infinite step-start;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.hero-desc {
  font-size: clamp(1rem, 1.8vw, 1.25rem);
  color: var(--text-muted);
  max-width: 760px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 30px;
}

.hero-guarantee {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  color: var(--text-dim);
  font-size: 0.85rem;
  flex-wrap: wrap;
}

.hero-guarantee span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Stats Section */
.stats-section {
  padding: 40px 0 80px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.stat-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

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

.stat-value {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 4vw, 3.4rem);
  font-weight: 800;
  color: #ffffff;
  line-height: 1.1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 1rem;
  font-weight: 600;
  color: var(--cyan-primary);
  margin-bottom: 4px;
}

.stat-sub {
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* Section Common Styling */
.section-padding {
  padding: 80px 0;
}

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}

.section-badge {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--cyan-primary);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.25;
}

.section-desc {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.65;
}

/* 3D Tilt Feature Cards */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  perspective: 1200px;
}

.tilt-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 38px 30px;
  overflow: hidden;
  transition: transform 0.15s ease-out, box-shadow 0.25s ease;
  transform-style: preserve-3d;
  will-change: transform;
}

.tilt-card:hover {
  border-color: rgba(34, 211, 238, 0.4);
  box-shadow: 0 15px 35px -10px rgba(0, 0, 0, 0.7), 0 0 25px rgba(34, 211, 238, 0.2);
}

/* Spotlight Radial Glow inside cards */
.spotlight-glow {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  background: radial-gradient(400px circle at var(--mouse-x, -500px) var(--mouse-y, -500px), rgba(34, 211, 238, 0.15), transparent 70%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.tilt-card:hover .spotlight-glow {
  opacity: 1;
}

.feature-icon-box {
  width: 62px;
  height: 62px;
  border-radius: 14px;
  background: rgba(34, 211, 238, 0.1);
  border: 1px solid rgba(34, 211, 238, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 24px;
  color: var(--cyan-primary);
  box-shadow: 0 0 20px rgba(34, 211, 238, 0.15);
}

.feature-title {
  font-size: 1.35rem;
  margin-bottom: 14px;
  font-weight: 700;
}

.feature-text {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
  margin-bottom: 20px;
}

.feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.feature-tag {
  font-size: 0.78rem;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--cyan-primary);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

/* Media & AI Unlock Cards */
.media-ai-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.unlock-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  position: relative;
  overflow: hidden;
}

.unlock-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.unlock-header-icon {
  font-size: 2.2rem;
}

.unlock-title {
  font-size: 1.35rem;
  font-weight: 700;
}

.unlock-badge {
  display: inline-block;
  font-size: 0.75rem;
  padding: 2px 8px;
  background: rgba(34, 211, 238, 0.15);
  color: var(--cyan-primary);
  border-radius: 4px;
  margin-top: 4px;
}

.unlock-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 24px;
}

.service-icon-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.service-pill {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  padding: 12px 8px;
  text-align: center;
  font-size: 0.88rem;
  font-weight: 600;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  transition: all var(--transition-fast);
}

.service-pill:hover {
  background: rgba(34, 211, 238, 0.12);
  border-color: var(--cyan-primary);
  transform: translateY(-2px);
}

.service-pill svg, .service-pill .ico {
  font-size: 1.4rem;
}

/* Pricing Table */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all var(--transition-smooth);
}

.pricing-card:hover {
  transform: translateY(-8px);
  border-color: rgba(34, 211, 238, 0.4);
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.8), 0 0 25px rgba(34, 211, 238, 0.15);
}

.pricing-card.featured {
  background: linear-gradient(180deg, rgba(30, 41, 59, 0.85) 0%, rgba(15, 23, 42, 0.95) 100%);
  border: 2px solid var(--cyan-primary);
  box-shadow: 0 10px 30px rgba(34, 211, 238, 0.2);
}

.popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--cyan-primary), #0284c7);
  color: #030712;
  font-size: 0.8rem;
  font-weight: 800;
  padding: 4px 18px;
  border-radius: 999px;
  letter-spacing: 0.05em;
  box-shadow: 0 4px 12px var(--cyan-glow);
}

.plan-name {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.plan-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 24px;
}

.plan-price-wrap {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.currency {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--cyan-primary);
}

.price-number {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1;
}

.billing-cycle {
  color: var(--text-dim);
  font-size: 0.9rem;
}

.plan-features {
  list-style: none;
  margin-bottom: 32px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.plan-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.plan-features li.highlight {
  color: #ffffff;
  font-weight: 600;
}

.check-icon {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(34, 211, 238, 0.15);
  color: var(--cyan-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  flex-shrink: 0;
}

/* User Reviews */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.review-rating {
  color: #fbbf24;
  font-size: 1rem;
  margin-bottom: 14px;
  letter-spacing: 2px;
}

.review-text {
  color: #cbd5e1;
  font-size: 0.95rem;
  line-height: 1.65;
  margin-bottom: 20px;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.3), rgba(168, 85, 247, 0.3));
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #ffffff;
  font-size: 1.1rem;
}

.author-info h4 {
  font-size: 0.95rem;
  margin-bottom: 2px;
}

.author-info p {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* FAQ Section */
.faq-wrap {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.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:hover {
  border-color: rgba(34, 211, 238, 0.3);
}

.faq-question {
  padding: 22px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
  font-size: 1.05rem;
  font-weight: 600;
  color: #ffffff;
}

.faq-icon {
  font-size: 1.2rem;
  color: var(--cyan-primary);
  transition: transform var(--transition-fast);
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  padding: 0 24px;
}

.faq-item.active .faq-answer {
  max-height: 250px;
  padding: 0 24px 22px;
}

/* Call to Action Banner */
.cta-banner {
  margin: 80px 0;
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.15) 0%, rgba(14, 165, 233, 0.05) 100%);
  border: 1px solid rgba(34, 211, 238, 0.3);
  border-radius: var(--radius-lg);
  padding: 60px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 0 40px rgba(34, 211, 238, 0.1);
}

.cta-banner h2 {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  margin-bottom: 16px;
}

.cta-banner p {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto 32px;
}

/* Footer (strictly 4 titles opening in new tab) */
.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: #02050e;
  padding: 50px 0 40px;
  margin-top: 60px;
}

.footer-nav-list {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  list-style: none;
  flex-wrap: wrap;
  margin-bottom: 30px;
}

.footer-link {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-muted);
  position: relative;
  transition: color var(--transition-fast);
  padding: 6px 10px;
}

.footer-link:hover {
  color: var(--cyan-primary);
  text-shadow: 0 0 10px var(--cyan-glow);
}

.footer-bottom {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.88rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 24px;
}

/* Scroll Fade In Animation Classes */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.fade-in-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Subpage Layout (About, Terms, Privacy, Sitemap, Articles) */
.subpage-header {
  padding-top: 130px;
  padding-bottom: 50px;
  text-align: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.subpage-content {
  padding: 60px 0 100px;
  max-width: 860px;
  margin: 0 auto;
}

.article-card-body {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 44px;
  line-height: 1.8;
  color: #cbd5e1;
}

.article-card-body h2 {
  font-size: 1.7rem;
  margin: 36px 0 16px;
  color: #ffffff;
  border-left: 4px solid var(--cyan-primary);
  padding-left: 12px;
}

.article-card-body h3 {
  font-size: 1.3rem;
  margin: 24px 0 12px;
  color: #e2e8f0;
}

.article-card-body p {
  margin-bottom: 20px;
  font-size: 1.02rem;
}

.article-card-body ul, .article-card-body ol {
  margin-bottom: 22px;
  padding-left: 24px;
}

.article-card-body li {
  margin-bottom: 8px;
}

.article-card-body a {
  color: var(--cyan-primary);
  text-decoration: underline;
  text-underline-offset: 4px;
  font-weight: 600;
}

.article-card-body a:hover {
  color: #38bdf8;
  text-shadow: 0 0 10px var(--cyan-glow);
}

.article-meta {
  display: flex;
  gap: 16px;
  color: var(--text-dim);
  font-size: 0.88rem;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.article-preview-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-fast);
}

.article-preview-card:hover {
  border-color: var(--cyan-primary);
  transform: translateY(-4px);
  box-shadow: 0 10px 25px -8px rgba(0, 0, 0, 0.6);
}

.article-preview-card h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
  line-height: 1.4;
}

.article-preview-card p {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-bottom: 20px;
  line-height: 1.6;
}

/* ==========================================================================
   Responsive Adaptations (@media Queries)
   ========================================================================== */
@media (max-width: 992px) {
  .features-grid,
  .pricing-grid,
  .reviews-grid,
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .media-ai-grid {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    width: 100%;
    background: #030712f5;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 30px 24px;
    gap: 20px;
    border-bottom: 1px solid var(--border-color);
    transform: translateY(-150%);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
  }

  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-actions {
    display: none;
  }

  .hero-section {
    padding-top: 120px;
    padding-bottom: 60px;
  }

  .hero-cta-group {
    flex-direction: column;
    width: 100%;
  }

  .hero-cta-group .btn {
    width: 100%;
    min-height: 52px;
    font-size: 1.05rem;
  }

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

  .footer-nav-list {
    flex-direction: column;
    gap: 18px;
  }

  .article-card-body {
    padding: 24px 18px;
  }
}

/* SEO Enhancements: Breadcrumbs & Table of Contents */
.breadcrumb-nav {
  margin-bottom: 24px;
  font-size: 0.88rem;
  color: var(--text-dim);
}

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

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

.breadcrumb-separator {
  margin: 0 8px;
  color: var(--text-dim);
}

.toc-box {
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin: 28px 0 36px;
}

.toc-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.toc-list {
  list-style: none;
  padding-left: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toc-list li a {
  color: var(--cyan-primary);
  font-size: 0.95rem;
  text-decoration: none;
}

.toc-list li a:hover {
  text-decoration: underline;
}

.related-articles-box {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.related-articles-box h3 {
  font-size: 1.3rem;
  margin-bottom: 18px;
  color: #ffffff;
}

.related-links-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.related-link-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 0.92rem;
  display: block;
  transition: all var(--transition-fast);
}

.related-link-item:hover {
  border-color: var(--cyan-primary);
  background: rgba(34, 211, 238, 0.08);
  transform: translateX(4px);
}

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