/* ============================================
   TraderAbyss - Deep Sea/Abyss Theme
   Domain: traderabyss.com
   ============================================ */

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

/* --- CSS Variables --- */
:root {
  --dark: #040810;
  --dark-surface: #0a1628;
  --dark-card: #0d1f35;
  --dark-border: #132742;
  --primary: #06b6d4;
  --primary-dim: rgba(6, 182, 212, 0.15);
  --primary-glow: rgba(6, 182, 212, 0.4);
  --secondary: #7c3aed;
  --secondary-dim: rgba(124, 58, 237, 0.15);
  --secondary-glow: rgba(124, 58, 237, 0.4);
  --accent: #22d3ee;
  --accent-dim: rgba(34, 211, 238, 0.12);
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --white: #f8fafc;
  --warning: #f59e0b;
  --danger: #ef4444;
  --success: #10b981;
  --font-heading: 'Orbitron', sans-serif;
  --font-body: 'Space Grotesk', sans-serif;
  --max-width: 1200px;
  --article-width: 820px;
  --radius: 8px;
  --radius-lg: 16px;
  --shadow-cyan: 0 0 30px rgba(6, 182, 212, 0.15);
  --shadow-purple: 0 0 30px rgba(124, 58, 237, 0.12);
  --transition: 0.3s ease;
}

/* --- 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);
  background: var(--dark);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
}

/* --- Deep Sea Background --- */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(ellipse 80% 50% at 20% 20%, rgba(6, 182, 212, 0.04) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 80%, rgba(124, 58, 237, 0.04) 0%, transparent 60%),
    radial-gradient(ellipse 50% 30% at 50% 50%, rgba(34, 211, 238, 0.02) 0%, transparent 50%),
    linear-gradient(180deg, #040810 0%, #061020 30%, #0a1832 60%, #040810 100%);
  z-index: -2;
  pointer-events: none;
}

/* Bioluminescent particles */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    radial-gradient(1px 1px at 10% 20%, rgba(6, 182, 212, 0.5), transparent),
    radial-gradient(1px 1px at 30% 65%, rgba(34, 211, 238, 0.4), transparent),
    radial-gradient(1px 1px at 55% 15%, rgba(124, 58, 237, 0.35), transparent),
    radial-gradient(1px 1px at 70% 45%, rgba(6, 182, 212, 0.3), transparent),
    radial-gradient(1.5px 1.5px at 85% 75%, rgba(34, 211, 238, 0.45), transparent),
    radial-gradient(1px 1px at 15% 85%, rgba(124, 58, 237, 0.3), transparent),
    radial-gradient(1px 1px at 45% 40%, rgba(6, 182, 212, 0.25), transparent),
    radial-gradient(1.5px 1.5px at 92% 20%, rgba(34, 211, 238, 0.35), transparent),
    radial-gradient(1px 1px at 60% 90%, rgba(124, 58, 237, 0.3), transparent),
    radial-gradient(1px 1px at 25% 50%, rgba(6, 182, 212, 0.2), transparent);
  z-index: -1;
  pointer-events: none;
  animation: particleDrift 30s linear infinite alternate;
}

@keyframes particleDrift {
  0% { transform: translateY(0) translateX(0); }
  50% { transform: translateY(-15px) translateX(8px); }
  100% { transform: translateY(5px) translateX(-5px); }
}

/* --- Links --- */
a {
  color: var(--accent);
  text-decoration: none;
  transition: var(--transition);
}

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

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

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--white);
  line-height: 1.3;
  letter-spacing: 0.02em;
}

h1 { font-size: 2.4rem; font-weight: 800; }
h2 { font-size: 1.8rem; font-weight: 700; }
h3 { font-size: 1.4rem; font-weight: 600; }
h4 { font-size: 1.15rem; font-weight: 600; }

p { margin-bottom: 1rem; }

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

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

/* ============================================
   HEADER / NAVIGATION
   ============================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(4, 8, 16, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--dark-border);
  transition: var(--transition);
}

.header--scrolled {
  box-shadow: 0 4px 30px rgba(6, 182, 212, 0.08);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}

.logo__icon {
  width: 38px;
  height: 38px;
  position: relative;
}

.logo__icon svg {
  width: 100%;
  height: 100%;
}

.logo__text {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.nav__link {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  transition: var(--transition);
  text-decoration: none;
}

.nav__link:hover,
.nav__link--active {
  color: var(--accent);
  background: var(--primary-dim);
}

.nav__cta {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--dark) !important;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-left: 0.5rem;
  box-shadow: 0 0 20px var(--primary-glow);
  transition: var(--transition);
  text-decoration: none;
}

.nav__cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 35px var(--primary-glow);
  color: var(--dark) !important;
}

/* Mobile Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  width: 26px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transition: var(--transition);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  padding: 6rem 0 5rem;
  text-align: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero__badge {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(34, 211, 238, 0.2);
  padding: 0.4rem 1.2rem;
  border-radius: 50px;
  margin-bottom: 1.5rem;
}

.hero__title {
  font-size: 3rem;
  font-weight: 900;
  margin-bottom: 1.2rem;
  line-height: 1.15;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

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

.hero__subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 620px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.85rem 2rem;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn--primary {
  color: var(--dark);
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: 0 0 25px var(--primary-glow);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px var(--primary-glow);
  color: var(--dark);
}

.btn--outline {
  color: var(--accent);
  background: transparent;
  border: 1px solid rgba(34, 211, 238, 0.3);
}

.btn--outline:hover {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.btn--secondary {
  color: var(--white);
  background: linear-gradient(135deg, var(--secondary), #9333ea);
  box-shadow: 0 0 25px var(--secondary-glow);
}

.btn--secondary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px var(--secondary-glow);
  color: var(--white);
}

.btn--lg {
  padding: 1rem 2.5rem;
  font-size: 0.85rem;
}

/* ============================================
   CARDS
   ============================================ */
.card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

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

.card:hover {
  border-color: rgba(6, 182, 212, 0.25);
  transform: translateY(-4px);
  box-shadow: var(--shadow-cyan);
}

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

.card__tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 0.25rem 0.8rem;
  border-radius: 50px;
  margin-bottom: 1rem;
}

.card__title {
  font-size: 1.2rem;
  margin-bottom: 0.8rem;
}

.card__title a {
  color: var(--white);
  text-decoration: none;
}

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

.card__excerpt {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.2rem;
  line-height: 1.6;
}

.card__meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--text-dim);
}

.card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-top: 1rem;
}

.card__link:hover {
  color: var(--primary);
}

/* ============================================
   SECTIONS
   ============================================ */
.section {
  padding: 5rem 0;
}

.section--alt {
  background: rgba(10, 22, 40, 0.4);
  border-top: 1px solid var(--dark-border);
  border-bottom: 1px solid var(--dark-border);
}

.section__header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section__label {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--primary);
  margin-bottom: 0.8rem;
}

.section__title {
  font-size: 2.2rem;
  margin-bottom: 1rem;
}

.section__desc {
  color: var(--text-muted);
  max-width: 580px;
  margin: 0 auto;
  font-size: 1.05rem;
}

/* Grid */
.grid {
  display: grid;
  gap: 1.5rem;
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }

/* ============================================
   FEATURES
   ============================================ */
.feature {
  text-align: center;
  padding: 2.5rem 1.5rem;
}

.feature__icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-dim);
  border: 1px solid rgba(6, 182, 212, 0.15);
  border-radius: 12px;
  color: var(--primary);
  font-size: 1.5rem;
}

.feature__title {
  font-size: 1.05rem;
  margin-bottom: 0.6rem;
}

.feature__desc {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* ============================================
   CTA BANNER
   ============================================ */
.cta-banner {
  position: relative;
  padding: 4rem 2rem;
  text-align: center;
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.08), rgba(124, 58, 237, 0.08));
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
}

.cta-banner__title {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.cta-banner__desc {
  color: var(--text-muted);
  max-width: 500px;
  margin: 0 auto 2rem;
  font-size: 1.05rem;
}

/* ============================================
   ARTICLE PAGE
   ============================================ */
.article-hero {
  padding: 4rem 0 2.5rem;
  text-align: center;
  border-bottom: 1px solid var(--dark-border);
}

.article-hero__breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 1.5rem;
}

.article-hero__breadcrumb a {
  color: var(--text-dim);
}

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

.article-hero__breadcrumb .sep {
  color: var(--text-dim);
  opacity: 0.4;
}

.article-hero__tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(34, 211, 238, 0.15);
  padding: 0.3rem 1rem;
  border-radius: 50px;
  margin-bottom: 1.2rem;
}

.article-hero__title {
  font-size: 2.4rem;
  max-width: 750px;
  margin: 0 auto 1rem;
  line-height: 1.2;
}

.article-hero__meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* Article Content */
.article-content {
  padding: 3rem 0 4rem;
}

.article-body {
  max-width: var(--article-width);
  margin: 0 auto;
}

.article-body h2 {
  font-size: 1.7rem;
  margin: 2.8rem 0 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--dark-border);
}

.article-body h2:first-of-type {
  border-top: none;
  padding-top: 0;
}

.article-body h3 {
  font-size: 1.3rem;
  margin: 2rem 0 0.8rem;
  color: var(--accent);
}

.article-body p {
  margin-bottom: 1.2rem;
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text);
}

.article-body ul,
.article-body ol {
  margin: 1rem 0 1.5rem 1.5rem;
  color: var(--text);
}

.article-body li {
  margin-bottom: 0.5rem;
  font-size: 1.02rem;
  line-height: 1.7;
}

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

/* Info/Highlight Boxes */
.info-box {
  background: var(--primary-dim);
  border-left: 3px solid var(--primary);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1.2rem 1.5rem;
  margin: 1.5rem 0;
}

.info-box p {
  margin-bottom: 0;
  color: var(--text);
  font-size: 0.98rem;
}

.warning-box {
  background: rgba(245, 158, 11, 0.08);
  border-left: 3px solid var(--warning);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1.2rem 1.5rem;
  margin: 1.5rem 0;
}

.warning-box p {
  margin-bottom: 0;
  color: var(--text);
  font-size: 0.98rem;
}

/* Article CTA Box */
.article-cta {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.1), rgba(124, 58, 237, 0.1));
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  text-align: center;
  margin: 2.5rem 0;
}

.article-cta h3 {
  color: var(--white) !important;
  margin-bottom: 0.8rem;
}

.article-cta p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

/* Comparison Table */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0 2rem;
  font-size: 0.95rem;
}

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

.comparison-table th {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  padding: 1rem;
  text-align: left;
  border-bottom: 2px solid var(--primary);
}

.comparison-table td {
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--dark-border);
  color: var(--text);
}

.comparison-table tbody tr:hover {
  background: var(--primary-dim);
}

.comparison-table .highlight-row {
  background: rgba(6, 182, 212, 0.06);
}

/* Pros/Cons */
.pros-cons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin: 1.5rem 0 2rem;
}

.pros-list, .cons-list {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.pros-list h4, .cons-list h4 {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.pros-list h4 { color: var(--success); }
.cons-list h4 { color: var(--danger); }

.pros-list ul, .cons-list ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.pros-list li, .cons-list li {
  padding: 0.4rem 0;
  padding-left: 1.2rem;
  position: relative;
  font-size: 0.95rem;
}

.pros-list li::before {
  content: '+';
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: 700;
}

.cons-list li::before {
  content: '-';
  position: absolute;
  left: 0;
  color: var(--danger);
  font-weight: 700;
}

/* Risk Disclaimer */
.risk-disclaimer {
  background: rgba(239, 68, 68, 0.06);
  border: 1px solid rgba(239, 68, 68, 0.15);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin: 2.5rem 0;
}

.risk-disclaimer__title {
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--danger);
  margin-bottom: 0.5rem;
}

.risk-disclaimer p {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 0;
  line-height: 1.6;
}

/* TOC */
.toc {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-lg);
  padding: 1.8rem 2rem;
  margin-bottom: 2.5rem;
}

.toc__title {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 1rem;
}

.toc__list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.toc__list li {
  padding: 0.35rem 0;
}

.toc__list a {
  color: var(--text-muted);
  font-size: 0.95rem;
  transition: var(--transition);
}

.toc__list a:hover {
  color: var(--accent);
  padding-left: 0.5rem;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: rgba(4, 8, 16, 0.9);
  border-top: 1px solid var(--dark-border);
  padding: 4rem 0 2rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
}

.footer__brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 1rem;
  line-height: 1.6;
}

.footer__heading {
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 1.2rem;
}

.footer__links {
  list-style: none;
  padding: 0;
}

.footer__links li {
  margin-bottom: 0.5rem;
}

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

.footer__links a:hover {
  color: var(--accent);
  padding-left: 0.3rem;
}

.footer__bottom {
  border-top: 1px solid var(--dark-border);
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer__copy {
  font-size: 0.82rem;
  color: var(--text-dim);
}

.footer__disclaimer {
  font-size: 0.78rem;
  color: var(--text-dim);
  max-width: 600px;
  line-height: 1.5;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  html { font-size: 15px; }

  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(4, 8, 16, 0.96);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 1rem;
    border-bottom: 1px solid var(--dark-border);
  }

  .nav--open { display: flex; }

  .nav__link { padding: 0.8rem 1rem; }

  .nav__cta {
    margin-left: 0;
    margin-top: 0.5rem;
    text-align: center;
    justify-content: center;
  }

  .nav-toggle { display: flex; }

  .hero { padding: 4rem 0 3rem; }
  .hero__title { font-size: 2.2rem; }

  .grid--2,
  .grid--3 { grid-template-columns: 1fr; }

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

  .section { padding: 3.5rem 0; }
  .section__title { font-size: 1.8rem; }

  .article-hero__title { font-size: 1.9rem; }

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

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

  .comparison-table {
    display: block;
    overflow-x: auto;
  }
}

@media (max-width: 480px) {
  .hero__title { font-size: 1.8rem; }
  .hero__actions { flex-direction: column; align-items: center; }
  .article-hero__title { font-size: 1.6rem; }
  .article-hero__meta { flex-direction: column; gap: 0.5rem; }
  h1 { font-size: 1.9rem; }
  h2 { font-size: 1.5rem; }
}

/* ============================================
   ANIMATIONS
   ============================================ */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Glow Pulse for CTA */
@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 20px var(--primary-glow); }
  50% { box-shadow: 0 0 40px var(--primary-glow), 0 0 60px rgba(6, 182, 212, 0.15); }
}

.glow-pulse {
  animation: glowPulse 3s ease-in-out infinite;
}

/* Depth line animation */
@keyframes depthLine {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.depth-line {
  position: relative;
  overflow: hidden;
}

.depth-line::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary), var(--accent), transparent);
  animation: depthLine 4s ease-in-out infinite;
}