/* ============================================================
   ZebraReviews.com — Global Stylesheet
   ============================================================ */

:root {
  --black:       #0a0a0a;
  --white:       #fafafa;
  --stripe-dark: #111111;
  --stripe-mid:  #1e1e1e;
  --gold:        #f5a623;
  --gold-light:  #fbbf24;
  --gold-muted:  #fde68a;
  --red-muted:   #ef4444;
  --green-muted: #22c55e;
  --text-primary:   #f0f0f0;
  --text-secondary: #a0a0a0;
  --text-muted:     #606060;
  --border:      #2a2a2a;
  --card-bg:     #141414;
  --card-hover:  #1a1a1a;
  --font-sans:   'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-serif:  'Georgia', 'Times New Roman', serif;
  --font-mono:   'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  --radius:      8px;
  --radius-lg:   16px;
  --shadow:      0 4px 24px rgba(0,0,0,0.4);
  --shadow-gold: 0 0 40px rgba(245,166,35,0.15);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background-color: var(--black);
  color: var(--text-primary);
  line-height: 1.7;
  font-size: 16px;
}

/* ---- Typography ---- */
h1, h2, h3, h4, h5 { line-height: 1.2; font-weight: 700; }
h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.8rem); }
h4 { font-size: 1.15rem; }

p { color: var(--text-secondary); }
a { color: var(--gold); text-decoration: none; }
a:hover { color: var(--gold-light); }

strong { color: var(--text-primary); font-weight: 600; }
em { color: var(--gold-muted); font-style: normal; font-weight: 500; }

/* ---- Layout ---- */
.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}
.container--narrow {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 100px 0; }

/* ---- Zebra stripe background util ---- */
.zebra-bg {
  background: repeating-linear-gradient(
    -45deg,
    var(--stripe-dark) 0px,
    var(--stripe-dark) 2px,
    transparent 2px,
    transparent 14px
  );
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border);
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(12px);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.5px;
}
.nav__logo-icon {
  width: 36px; height: 36px;
  background: var(--gold);
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
}
.nav__logo span { color: var(--gold); }
.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.nav__links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav__links a:hover { color: var(--text-primary); }
.nav__cta {
  background: var(--gold);
  color: var(--black) !important;
  padding: 8px 18px;
  border-radius: var(--radius);
  font-weight: 700 !important;
  font-size: 0.85rem !important;
  transition: background 0.2s !important;
}
.nav__cta:hover { background: var(--gold-light) !important; color: var(--black) !important; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  padding: 160px 0 100px;
  position: relative;
  overflow: hidden;
  text-align: center;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(245,166,35,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(245,166,35,0.1);
  border: 1px solid rgba(245,166,35,0.3);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 28px;
}
.hero__eyebrow::before { content: '♪'; font-size: 14px; }
.hero h1 {
  max-width: 820px;
  margin: 0 auto 24px;
  color: var(--white);
}
.hero h1 span { color: var(--gold); }
.hero__sub {
  font-size: 1.15rem;
  max-width: 600px;
  margin: 0 auto 44px;
  color: var(--text-secondary);
}
.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  text-decoration: none;
}
.btn--primary {
  background: var(--gold);
  color: var(--black);
}
.btn--primary:hover { background: var(--gold-light); color: var(--black); transform: translateY(-1px); box-shadow: var(--shadow-gold); }
.btn--ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}
.btn--ghost:hover { border-color: var(--text-muted); color: var(--text-primary); }
.hero__social-proof {
  margin-top: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--text-muted);
  font-size: 0.85rem;
}
.hero__avatars {
  display: flex;
}
.hero__avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 2px solid var(--black);
  background: var(--stripe-mid);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
  margin-left: -8px;
}
.hero__avatar:first-child { margin-left: 0; }

/* ============================================================
   STATS BAR
   ============================================================ */
.stats-bar {
  padding: 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--card-bg);
}
.stats-bar__inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  divide: var(--border);
}
.stat-item {
  padding: 32px 24px;
  text-align: center;
  border-right: 1px solid var(--border);
}
.stat-item:last-child { border-right: none; }
.stat-item__number {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 6px;
}
.stat-item__label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ============================================================
   PROBLEM SECTION
   ============================================================ */
.problem { background: var(--black); }
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gold);
  margin-bottom: 16px;
}
.problem__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  margin-top: 56px;
}
.problem__quote {
  position: relative;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-left: 4px solid var(--gold);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.problem__quote-mark {
  font-size: 5rem;
  line-height: 0.8;
  color: var(--gold);
  opacity: 0.3;
  font-family: var(--font-serif);
  display: block;
  margin-bottom: 16px;
}
.problem__quote p {
  font-size: 1.1rem;
  color: var(--text-primary);
  font-style: italic;
  line-height: 1.6;
}
.problem__quote-author {
  margin-top: 20px;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.problem__list { list-style: none; display: flex; flex-direction: column; gap: 20px; }
.problem__item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.problem__item-icon {
  width: 40px; height: 40px; min-width: 40px;
  background: rgba(239,68,68,0.1);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
}
.problem__item-text h4 { color: var(--text-primary); margin-bottom: 4px; }
.problem__item-text p { font-size: 0.9rem; }

/* ============================================================
   PILLARS SECTION
   ============================================================ */
.pillars { background: var(--stripe-dark); }
.pillars__header { text-align: center; margin-bottom: 64px; }
.pillars__header p { max-width: 540px; margin: 12px auto 0; }
.pillars__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.pillar-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: all 0.25s;
  position: relative;
  overflow: hidden;
}
.pillar-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gold);
  transform: scaleX(0);
  transition: transform 0.3s;
}
.pillar-card:hover { background: var(--card-hover); border-color: rgba(245,166,35,0.3); box-shadow: var(--shadow-gold); }
.pillar-card:hover::before { transform: scaleX(1); }
.pillar-card__number {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}
.pillar-card__icon {
  font-size: 2.2rem;
  margin-bottom: 20px;
  display: block;
}
.pillar-card h3 { color: var(--white); margin-bottom: 12px; font-size: 1.2rem; }
.pillar-card p { font-size: 0.9rem; line-height: 1.7; }
.pillar-card__features {
  list-style: none;
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.pillar-card__features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.pillar-card__features li::before {
  content: '♩';
  color: var(--gold);
  font-size: 12px;
  margin-top: 3px;
  flex-shrink: 0;
}

/* ============================================================
   HOW IT WORKS
   ============================================================ */
.how-it-works { background: var(--black); }
.how-it-works__header { text-align: center; margin-bottom: 72px; }
.how-it-works__header p { max-width: 500px; margin: 12px auto 0; }
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}
.steps::before {
  content: '';
  position: absolute;
  top: 28px;
  left: calc(12.5% + 20px);
  right: calc(12.5% + 20px);
  height: 1px;
  background: linear-gradient(to right, var(--gold), var(--gold-light), var(--gold));
  opacity: 0.4;
}
.step {
  text-align: center;
  padding: 0 20px;
  position: relative;
}
.step__circle {
  width: 56px; height: 56px;
  background: var(--card-bg);
  border: 2px solid var(--gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin: 0 auto 24px;
  position: relative;
  z-index: 1;
  transition: all 0.25s;
}
.step:hover .step__circle {
  background: var(--gold);
  box-shadow: var(--shadow-gold);
}
.step h4 { color: var(--white); margin-bottom: 8px; }
.step p { font-size: 0.85rem; }

/* ============================================================
   SOCIAL PROOF / TESTIMONIALS
   ============================================================ */
.testimonials { background: var(--stripe-dark); }
.testimonials__header { text-align: center; margin-bottom: 64px; }
.testimonials__header p { max-width: 480px; margin: 12px auto 0; }
.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
}
.testimonial-card__stars {
  color: var(--gold);
  font-size: 14px;
  letter-spacing: 2px;
  margin-bottom: 16px;
}
.testimonial-card p {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--text-secondary);
  font-style: italic;
  margin-bottom: 24px;
}
.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.testimonial-card__avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--stripe-mid);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
}
.testimonial-card__name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}
.testimonial-card__role {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ============================================================
   FEATURES TABLE
   ============================================================ */
.comparison { background: var(--black); }
.comparison__header { text-align: center; margin-bottom: 56px; }
.comparison__header p { max-width: 500px; margin: 12px auto 0; }
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
}
.comparison-table thead th {
  padding: 20px 24px;
  text-align: left;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-bottom: 1px solid var(--border);
}
.comparison-table thead th:first-child { color: var(--text-muted); }
.comparison-table thead th:nth-child(2) { color: var(--text-muted); background: rgba(255,255,255,0.02); }
.comparison-table thead th:nth-child(3) {
  color: var(--gold);
  background: rgba(245,166,35,0.06);
}
.comparison-table td {
  padding: 16px 24px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  vertical-align: middle;
}
.comparison-table td:first-child { color: var(--text-primary); font-weight: 500; }
.comparison-table td:nth-child(2) { background: rgba(255,255,255,0.01); }
.comparison-table td:nth-child(3) { background: rgba(245,166,35,0.04); }
.comparison-table tbody tr:last-child td { border-bottom: none; }
.check { color: var(--green-muted); font-size: 18px; }
.cross { color: var(--text-muted); font-size: 18px; }
.highlight-col { color: var(--gold) !important; font-weight: 600 !important; }

/* ============================================================
   ARTICLE PREVIEW CARDS
   ============================================================ */
.articles { background: var(--stripe-dark); }
.articles__header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 48px;
}
.articles__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.article-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.25s;
}
.article-card:hover { border-color: rgba(245,166,35,0.3); transform: translateY(-2px); box-shadow: var(--shadow); }
.article-card__thumb {
  height: 160px;
  background: var(--stripe-mid);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  position: relative;
  overflow: hidden;
}
.article-card__thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    -45deg,
    transparent 0px,
    transparent 8px,
    rgba(245,166,35,0.04) 8px,
    rgba(245,166,35,0.04) 10px
  );
}
.article-card__body { padding: 24px; }
.article-card__pillar {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gold);
  margin-bottom: 10px;
}
.article-card h4 { color: var(--white); margin-bottom: 10px; font-size: 1rem; line-height: 1.4; }
.article-card p { font-size: 0.85rem; line-height: 1.6; }
.article-card__footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.article-card__read-time { font-size: 0.75rem; color: var(--text-muted); }
.article-card__link {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--gold);
}
.article-card__link:hover { color: var(--gold-light); }

/* ============================================================
   CTA BANNER
   ============================================================ */
.cta-banner {
  background: var(--black);
  padding: 100px 0;
}
.cta-banner__inner {
  text-align: center;
  background: var(--card-bg);
  border: 1px solid rgba(245,166,35,0.25);
  border-radius: var(--radius-lg);
  padding: 80px 48px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-gold);
}
.cta-banner__inner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 50% at 50% 0%, rgba(245,166,35,0.07) 0%, transparent 60%);
  pointer-events: none;
}
.cta-banner h2 { color: var(--white); max-width: 640px; margin: 0 auto 16px; }
.cta-banner p { max-width: 480px; margin: 0 auto 40px; font-size: 1rem; }
.cta-banner__actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.cta-banner__note {
  margin-top: 20px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--stripe-dark);
  border-top: 1px solid var(--border);
  padding: 60px 0 32px;
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer__brand p { font-size: 0.88rem; line-height: 1.7; margin-top: 12px; max-width: 280px; }
.footer__col h5 {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-primary);
  margin-bottom: 16px;
}
.footer__col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer__col ul li a { font-size: 0.85rem; color: var(--text-muted); transition: color 0.2s; }
.footer__col ul li a:hover { color: var(--gold); }
.footer__bottom {
  border-top: 1px solid var(--border);
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer__bottom p { font-size: 0.8rem; color: var(--text-muted); }
.footer__bottom-links { display: flex; gap: 24px; }
.footer__bottom-links a { font-size: 0.8rem; color: var(--text-muted); }
.footer__bottom-links a:hover { color: var(--gold); }

/* ============================================================
   ARTICLE PAGE
   ============================================================ */
.article-page { padding-top: 100px; }
.article-hero {
  padding: 60px 0 40px;
  border-bottom: 1px solid var(--border);
  background: var(--stripe-dark);
}
.article-hero__pillar {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gold);
  margin-bottom: 16px;
}
.article-hero h1 { max-width: 760px; font-size: clamp(1.8rem, 4vw, 2.8rem); }
.article-hero__meta {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 24px;
}
.article-hero__meta span { font-size: 0.8rem; color: var(--text-muted); }
.article-hero__meta .dot { color: var(--border); }
.article-body { padding: 64px 0 100px; }
.article-body .container--narrow { max-width: 740px; }

/* Article content styles */
.article-content h2 {
  font-size: 1.6rem;
  color: var(--white);
  margin: 48px 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.article-content h3 { font-size: 1.25rem; color: var(--white); margin: 32px 0 12px; }
.article-content p { margin-bottom: 20px; font-size: 1rem; line-height: 1.8; }
.article-content ul, .article-content ol {
  margin: 0 0 20px 0;
  padding-left: 24px;
}
.article-content li { color: var(--text-secondary); margin-bottom: 8px; font-size: 0.95rem; }
.article-content li strong { color: var(--text-primary); }

/* Backstage pass box */
.backstage-pass {
  background: rgba(245,166,35,0.07);
  border: 1px solid rgba(245,166,35,0.3);
  border-left: 4px solid var(--gold);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin: 28px 0;
  position: relative;
}
.backstage-pass::before {
  content: '🎫 BACKSTAGE PASS';
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--gold);
  margin-bottom: 10px;
}
.backstage-pass p {
  font-size: 0.9rem !important;
  color: var(--text-primary) !important;
  margin: 0 !important;
}

/* Article comparison table */
.article-table-wrap { overflow-x: auto; margin: 32px 0; }
.article-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}
.article-table th {
  background: var(--card-bg);
  padding: 14px 18px;
  text-align: left;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  border-bottom: 2px solid var(--border);
}
.article-table th.gold-header { color: var(--gold); background: rgba(245,166,35,0.05); }
.article-table td {
  padding: 14px 18px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  vertical-align: top;
  color: var(--text-secondary);
}
.article-table td:first-child { color: var(--text-primary); font-weight: 500; }
.article-table td.gold-cell { color: var(--gold); font-weight: 600; background: rgba(245,166,35,0.03); }
.article-table tbody tr:hover td { background: var(--card-bg); }

/* Deployment steps */
.deployment-steps { list-style: none; margin: 0 0 20px; }
.deployment-step {
  display: flex;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}
.deployment-step:last-child { border-bottom: none; }
.deployment-step__num {
  width: 32px; height: 32px; min-width: 32px;
  background: var(--gold);
  color: var(--black);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem;
  font-weight: 800;
}
.deployment-step__body h4 { color: var(--white); margin-bottom: 6px; font-size: 0.95rem; }
.deployment-step__body p { font-size: 0.88rem; margin: 0; }

/* Flubs list */
.flubs-list { list-style: none; margin: 20px 0; display: flex; flex-direction: column; gap: 12px; }
.flub-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: rgba(239,68,68,0.06);
  border: 1px solid rgba(239,68,68,0.2);
  border-radius: var(--radius);
  padding: 16px 18px;
}
.flub-item::before {
  content: '✗';
  color: var(--red-muted);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}
.flub-item p { color: var(--text-secondary); font-size: 0.9rem; margin: 0; font-style: italic; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .pillars__grid { grid-template-columns: 1fr; }
  .testimonials__grid { grid-template-columns: 1fr; }
  .articles__grid { grid-template-columns: 1fr; }
  .how-it-works .steps { grid-template-columns: 1fr 1fr; }
  .how-it-works .steps::before { display: none; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .stats-bar__inner { grid-template-columns: 1fr 1fr; }
  .stat-item:nth-child(2) { border-right: none; }
  .stat-item { border-bottom: 1px solid var(--border); }
  .stat-item:nth-child(3), .stat-item:nth-child(4) { border-bottom: none; }
  .problem__grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.6rem; }
  section { padding: 64px 0; }
  .nav__links { display: none; }
  .hero { padding: 120px 0 64px; }
  .stats-bar__inner { grid-template-columns: 1fr 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .cta-banner__inner { padding: 48px 24px; }
  .articles__header { flex-direction: column; align-items: flex-start; gap: 16px; }
  .how-it-works .steps { grid-template-columns: 1fr; }
  .comparison-table { font-size: 0.8rem; }
  .comparison-table td, .comparison-table th { padding: 12px 14px; }
}