/* ============================================
   BestingLove — Romantic Dark Theme
   ============================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Quicksand:wght@300;400;500;600;700&display=swap');

/* --- CSS Variables --- */
:root {
  --dark: #0c0608;
  --dark-lighter: #1a0e14;
  --dark-card: #1e1018;
  --dark-border: #2e1a24;
  --primary: #e11d48;
  --primary-dark: #be123c;
  --primary-light: #fb7185;
  --secondary: #f9a8d4;
  --accent: #fbbf24;
  --accent-dark: #d97706;
  --text: #f5e6ed;
  --text-muted: #b89aaa;
  --text-dim: #8a6e7c;
  --white: #fff;
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Quicksand', sans-serif;
  --shadow-glow: 0 0 40px rgba(225, 29, 72, 0.15);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-card-hover: 0 8px 40px rgba(225, 29, 72, 0.2);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --transition: 0.3s ease;
  --max-width: 1200px;
  --max-width-article: 820px;
}

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

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

body {
  font-family: var(--font-body);
  font-weight: 400;
  background-color: var(--dark);
  color: var(--text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

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

ul, ol {
  padding-left: 1.5em;
}

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

h1 { font-size: 2.75rem; margin-bottom: 1rem; }
h2 { font-size: 2rem; margin-bottom: 0.85rem; }
h3 { font-size: 1.5rem; margin-bottom: 0.75rem; }
h4 { font-size: 1.25rem; margin-bottom: 0.6rem; }

p {
  margin-bottom: 1.25rem;
  color: var(--text);
}

/* --- Layout --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.container--article {
  max-width: var(--max-width-article);
}

/* --- Heart Shape (CSS) --- */
.heart-shape {
  position: relative;
  display: inline-block;
  width: 20px;
  height: 18px;
}

.heart-shape::before,
.heart-shape::after {
  content: '';
  position: absolute;
  top: 0;
  width: 12px;
  height: 18px;
  border-radius: 12px 12px 0 0;
  background: var(--primary);
}

.heart-shape::before {
  left: 0;
  transform: rotate(-45deg);
  transform-origin: bottom right;
}

.heart-shape::after {
  right: 0;
  transform: rotate(45deg);
  transform-origin: bottom left;
}

/* --- Decorative Glow Orbs --- */
.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.12;
  pointer-events: none;
  z-index: 0;
}

.glow-orb--primary {
  background: var(--primary);
}

.glow-orb--secondary {
  background: var(--secondary);
}

.glow-orb--accent {
  background: var(--accent);
}

/* ============================================
   HEADER / NAVIGATION
   ============================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(12, 6, 8, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--dark-border);
  transition: background var(--transition);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--white);
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo span {
  color: var(--primary);
}

.logo .heart-icon {
  color: var(--primary);
  font-size: 1.2rem;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 32px;
  align-items: center;
}

.nav-menu a {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-muted);
  transition: color var(--transition);
  position: relative;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width var(--transition);
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--white);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
  width: 100%;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  overflow: hidden;
  background: linear-gradient(180deg, var(--dark) 0%, var(--dark-lighter) 50%, var(--dark) 100%);
}

.hero__bg-hearts {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
}

.hero__bg-heart {
  position: absolute;
  width: 40px;
  height: 36px;
  opacity: 0.04;
}

.hero__bg-heart::before,
.hero__bg-heart::after {
  content: '';
  position: absolute;
  top: 0;
  width: 24px;
  height: 36px;
  border-radius: 24px 24px 0 0;
  background: var(--primary);
}

.hero__bg-heart::before {
  left: 0;
  transform: rotate(-45deg);
  transform-origin: bottom right;
}

.hero__bg-heart::after {
  right: 0;
  transform: rotate(45deg);
  transform-origin: bottom left;
}

.hero__bg-heart:nth-child(1) { top: 15%; left: 8%; transform: scale(1.5) rotate(-15deg); }
.hero__bg-heart:nth-child(2) { top: 25%; right: 12%; transform: scale(2) rotate(10deg); }
.hero__bg-heart:nth-child(3) { bottom: 30%; left: 20%; transform: scale(1.2) rotate(-25deg); }
.hero__bg-heart:nth-child(4) { top: 50%; right: 25%; transform: scale(0.8) rotate(20deg); }
.hero__bg-heart:nth-child(5) { bottom: 15%; right: 8%; transform: scale(1.8) rotate(-5deg); }
.hero__bg-heart:nth-child(6) { top: 40%; left: 35%; transform: scale(0.6) rotate(30deg); }

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 780px;
}

.hero__badge {
  display: inline-block;
  background: rgba(225, 29, 72, 0.15);
  border: 1px solid rgba(225, 29, 72, 0.3);
  color: var(--primary-light);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.85rem;
  padding: 6px 20px;
  border-radius: 50px;
  margin-bottom: 24px;
  letter-spacing: 0.5px;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 20px;
  background: linear-gradient(135deg, var(--white) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 36px;
  line-height: 1.8;
}

.hero__cta-group {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Glow Line --- */
.glow-line {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  opacity: 0.3;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  padding: 14px 32px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn--primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(225, 29, 72, 0.35);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(225, 29, 72, 0.5);
  color: var(--white);
}

.btn--outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--dark-border);
}

.btn--outline:hover {
  border-color: var(--primary);
  color: var(--primary-light);
  transform: translateY(-2px);
}

.btn--accent {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: var(--dark);
  font-weight: 700;
  box-shadow: 0 4px 20px rgba(251, 191, 36, 0.3);
}

.btn--accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(251, 191, 36, 0.45);
  color: var(--dark);
}

.btn--sm {
  padding: 10px 24px;
  font-size: 0.9rem;
}

.btn--lg {
  padding: 18px 40px;
  font-size: 1.1rem;
}

/* ============================================
   CARDS
   ============================================ */
.card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius);
  padding: 32px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
  opacity: 0;
  transition: opacity var(--transition);
}

.card:hover {
  border-color: rgba(225, 29, 72, 0.3);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
}

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

.card__tag {
  display: inline-block;
  background: rgba(225, 29, 72, 0.12);
  color: var(--primary-light);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 50px;
  margin-bottom: 16px;
}

.card__title {
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.card__title a {
  color: var(--white);
  transition: color var(--transition);
}

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

.card__excerpt {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 20px;
  line-height: 1.7;
}

.card__meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.card__meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* --- Featured Card Grid --- */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 28px;
  margin-top: 48px;
}

/* ============================================
   SECTION STYLES
   ============================================ */
.section {
  padding: 80px 0;
  position: relative;
}

.section--alt {
  background: var(--dark-lighter);
}

.section__header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}

.section__header h2 {
  font-size: 2.25rem;
  margin-bottom: 16px;
}

.section__header p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

.section__label {
  display: inline-block;
  color: var(--primary-light);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

/* ============================================
   FEATURES / WHY TRUST US
   ============================================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.feature-card {
  text-align: center;
  padding: 40px 28px;
}

.feature-card__icon {
  width: 64px;
  height: 64px;
  background: rgba(225, 29, 72, 0.1);
  border: 1px solid rgba(225, 29, 72, 0.2);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.6rem;
  color: var(--primary);
}

.feature-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.92rem;
}

/* ============================================
   RATING / REVIEW COMPONENTS
   ============================================ */
.rating-stars {
  display: flex;
  gap: 3px;
  color: var(--accent);
  font-size: 1.1rem;
}

.rating-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(251, 191, 36, 0.1);
  border: 1px solid rgba(251, 191, 36, 0.25);
  color: var(--accent);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 6px 16px;
  border-radius: 50px;
}

.score-bar {
  height: 8px;
  background: var(--dark-border);
  border-radius: 4px;
  overflow: hidden;
  margin: 8px 0;
}

.score-bar__fill {
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transition: width 0.8s ease;
}

/* ============================================
   COMPARISON TABLE
   ============================================ */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: 32px 0;
  font-size: 0.95rem;
}

.comparison-table thead {
  background: var(--dark-lighter);
}

.comparison-table th {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--white);
  text-align: left;
  padding: 16px 20px;
  border-bottom: 2px solid var(--dark-border);
}

.comparison-table td {
  padding: 14px 20px;
  border-bottom: 1px solid var(--dark-border);
  color: var(--text-muted);
}

.comparison-table tbody tr:hover {
  background: rgba(225, 29, 72, 0.04);
}

.comparison-table .highlight {
  color: var(--accent);
  font-weight: 600;
}

/* ============================================
   PROS & CONS
   ============================================ */
.pros-cons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin: 32px 0;
}

.pros-cons__list {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-sm);
  padding: 28px;
}

.pros-cons__list h4 {
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.pros-cons__list--pro h4 {
  color: #4ade80;
}

.pros-cons__list--con h4 {
  color: #f87171;
}

.pros-cons__list ul {
  list-style: none;
  padding: 0;
}

.pros-cons__list li {
  padding: 8px 0;
  padding-left: 24px;
  position: relative;
  color: var(--text-muted);
  font-size: 0.93rem;
}

.pros-cons__list--pro li::before {
  content: '+';
  position: absolute;
  left: 0;
  color: #4ade80;
  font-weight: 700;
}

.pros-cons__list--con li::before {
  content: '-';
  position: absolute;
  left: 2px;
  color: #f87171;
  font-weight: 700;
}

/* ============================================
   NEWSLETTER / CTA SECTION
   ============================================ */
.cta-section {
  position: relative;
  padding: 80px 0;
  text-align: center;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(225, 29, 72, 0.08), rgba(249, 168, 212, 0.05));
  z-index: 0;
}

.cta-section__inner {
  position: relative;
  z-index: 1;
  max-width: 600px;
  margin: 0 auto;
}

.cta-section h2 {
  font-size: 2rem;
  margin-bottom: 16px;
}

.cta-section p {
  color: var(--text-muted);
  margin-bottom: 32px;
}

.newsletter-form {
  display: flex;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto;
}

.newsletter-form input {
  flex: 1;
  padding: 14px 20px;
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: 50px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition);
}

.newsletter-form input::placeholder {
  color: var(--text-dim);
}

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

/* ============================================
   ARTICLE PAGE STYLES
   ============================================ */
.article-hero {
  padding: 140px 24px 60px;
  text-align: center;
  position: relative;
  background: linear-gradient(180deg, var(--dark-lighter) 0%, var(--dark) 100%);
}

.article-hero__meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-bottom: 24px;
  font-size: 0.9rem;
  color: var(--text-dim);
}

.article-hero__meta .tag {
  background: rgba(225, 29, 72, 0.12);
  color: var(--primary-light);
  padding: 4px 14px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.82rem;
}

.article-hero h1 {
  font-size: 2.75rem;
  max-width: 760px;
  margin: 0 auto 20px;
  line-height: 1.2;
}

.article-hero__excerpt {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* Article Body */
.article-body {
  padding: 60px 24px 80px;
}

.article-body h2 {
  margin-top: 48px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--dark-border);
}

.article-body h3 {
  margin-top: 36px;
  margin-bottom: 16px;
  color: var(--secondary);
}

.article-body p {
  font-size: 1.05rem;
  line-height: 1.85;
  margin-bottom: 1.5rem;
}

.article-body ul,
.article-body ol {
  margin-bottom: 1.5rem;
}

.article-body li {
  margin-bottom: 8px;
  line-height: 1.75;
  font-size: 1.02rem;
  color: var(--text);
}

.article-body blockquote {
  border-left: 3px solid var(--primary);
  padding: 16px 24px;
  margin: 32px 0;
  background: rgba(225, 29, 72, 0.05);
  border-radius: 0 var(--radius-xs) var(--radius-xs) 0;
  color: var(--text-muted);
  font-style: italic;
}

.article-body strong {
  color: var(--white);
  font-weight: 600;
}

/* Review Box */
.review-box {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius);
  padding: 32px;
  margin: 40px 0;
  position: relative;
}

.review-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: var(--radius) var(--radius) 0 0;
}

.review-box__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.review-box__name {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--white);
}

.review-box__score {
  display: flex;
  align-items: center;
  gap: 8px;
}

.review-box__score-number {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
}

.review-box__score-label {
  font-size: 0.85rem;
  color: var(--text-dim);
}

.review-box__details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 24px;
  margin: 20px 0;
}

.review-box__detail {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
}

.review-box__detail-label {
  color: var(--text-muted);
}

.review-box__detail-value {
  color: var(--white);
  font-weight: 600;
}

.review-box__cta {
  margin-top: 24px;
  text-align: center;
}

/* Info Box */
.info-box {
  background: rgba(251, 191, 36, 0.06);
  border: 1px solid rgba(251, 191, 36, 0.2);
  border-radius: var(--radius-sm);
  padding: 24px;
  margin: 32px 0;
}

.info-box__title {
  color: var(--accent);
  font-family: var(--font-heading);
  font-weight: 700;
  margin-bottom: 8px;
}

.info-box p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* ============================================
   TABLE OF CONTENTS (Article sidebar)
   ============================================ */
.toc {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-sm);
  padding: 24px;
  margin: 0 0 40px;
}

.toc__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  color: var(--white);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--dark-border);
}

.toc ol {
  list-style: decimal;
  padding-left: 1.25em;
}

.toc li {
  margin-bottom: 8px;
  font-size: 0.92rem;
}

.toc a {
  color: var(--text-muted);
  transition: color var(--transition);
}

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

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: var(--dark-lighter);
  border-top: 1px solid var(--dark-border);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-top: 16px;
  max-width: 300px;
}

.footer-col h4 {
  font-size: 1rem;
  margin-bottom: 20px;
  color: var(--white);
}

.footer-col ul {
  list-style: none;
  padding: 0;
}

.footer-col li {
  margin-bottom: 10px;
}

.footer-col a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: color var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid var(--dark-border);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p {
  color: var(--text-dim);
  font-size: 0.85rem;
  margin-bottom: 0;
}

.footer-bottom__links {
  display: flex;
  gap: 24px;
}

.footer-bottom__links a {
  color: var(--text-dim);
  font-size: 0.85rem;
}

/* Affiliate Disclosure */
.affiliate-disclosure {
  background: rgba(251, 191, 36, 0.04);
  border: 1px solid rgba(251, 191, 36, 0.12);
  border-radius: var(--radius-xs);
  padding: 16px 20px;
  margin: 32px 0;
  font-size: 0.85rem;
  color: var(--text-dim);
  line-height: 1.7;
}

.affiliate-disclosure strong {
  color: var(--accent);
}

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: var(--primary);
  color: var(--white);
  border: none;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all var(--transition);
  box-shadow: 0 4px 20px rgba(225, 29, 72, 0.3);
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--primary-dark);
  transform: translateY(-4px);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.6rem; }

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

  .hero {
    min-height: 70vh;
    padding: 120px 20px 60px;
  }

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

  .section {
    padding: 60px 0;
  }

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

  .pros-cons {
    grid-template-columns: 1fr;
  }

  .review-box__details {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  /* Mobile Nav */
  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--dark-lighter);
    flex-direction: column;
    justify-content: center;
    gap: 24px;
    padding: 40px;
    border-left: 1px solid var(--dark-border);
    transition: right var(--transition);
    z-index: 1001;
  }

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

  .nav-menu a {
    font-size: 1.1rem;
  }

  .newsletter-form {
    flex-direction: column;
  }

  .comparison-table {
    font-size: 0.85rem;
  }

  .comparison-table th,
  .comparison-table td {
    padding: 10px 12px;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2rem;
  }

  .hero__subtitle {
    font-size: 1rem;
  }

  .hero__cta-group {
    flex-direction: column;
    align-items: center;
  }

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

  .article-hero h1 {
    font-size: 1.7rem;
  }

  .section__header h2 {
    font-size: 1.75rem;
  }
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.1; }
  50% { opacity: 0.2; }
}

.animate-fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Stagger animations */
.animate-fade-in:nth-child(2) { transition-delay: 0.1s; }
.animate-fade-in:nth-child(3) { transition-delay: 0.2s; }
.animate-fade-in:nth-child(4) { transition-delay: 0.3s; }
.animate-fade-in:nth-child(5) { transition-delay: 0.4s; }
.animate-fade-in:nth-child(6) { transition-delay: 0.5s; }

/* Overlay for mobile menu */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(12, 6, 8, 0.7);
  z-index: 1000;
}

.nav-overlay.active {
  display: block;
}