:root {
  --bg: #0C0B0F;
  --bg-card: #151419;
  --bg-highlight: #1A1820;
  --fg: #E8E4DD;
  --fg-muted: #8A8591;
  --fg-dim: #5A5666;
  --accent: #D4A853;
  --accent-glow: rgba(212, 168, 83, 0.15);
  --accent-soft: #C49A42;
  --green: #4ADE80;
  --red-muted: #EF4444;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --max-width: 1120px;
  --section-pad: clamp(80px, 10vw, 140px);
}

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

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ========== HERO ========== */
.hero {
  padding: var(--section-pad) 24px;
  padding-top: clamp(100px, 14vw, 180px);
  max-width: var(--max-width);
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 2.5px;
  color: var(--accent);
  border: 1px solid rgba(212, 168, 83, 0.3);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
  background: var(--accent-glow);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
  max-width: 700px;
}

.hero-sub {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: var(--fg-muted);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 56px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--fg-dim);
  letter-spacing: 0.5px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.08);
}

/* ========== HOW SECTION ========== */
.how {
  padding: var(--section-pad) 24px;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-card) 50%, var(--bg) 100%);
}

.how-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.how-label,
.features-label,
.difference-label {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 2.5px;
  color: var(--accent);
  margin-bottom: 16px;
}

.how h2,
.features h2,
.difference h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 48px;
}

.how-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.how-card {
  border-radius: 16px;
  padding: 36px;
  position: relative;
}

.how-card.old {
  background: var(--bg-highlight);
  border: 1px solid rgba(255,255,255,0.05);
}

.how-card.new {
  background: linear-gradient(145deg, rgba(212, 168, 83, 0.08) 0%, rgba(212, 168, 83, 0.02) 100%);
  border: 1px solid rgba(212, 168, 83, 0.2);
}

.how-card-tag {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 2px;
  color: var(--fg-dim);
  margin-bottom: 20px;
  text-transform: uppercase;
}

.how-card.new .how-card-tag {
  color: var(--accent);
}

.how-card p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 24px;
}

.how-card-verdict {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--fg-dim);
}

.how-card.new .how-card-verdict {
  color: var(--accent);
}

/* ========== FEATURES ========== */
.features {
  padding: var(--section-pad) 24px;
}

.features-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

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

.feature-item {
  padding: 36px;
  background: var(--bg-card);
  position: relative;
  transition: background 0.3s ease;
}

.feature-item:hover {
  background: var(--bg-highlight);
}

.feature-item:first-child { border-radius: 16px 0 0 0; }
.feature-item:nth-child(3) { border-radius: 0 16px 0 0; }
.feature-item:nth-child(4) { border-radius: 0 0 0 16px; }
.feature-item:last-child { border-radius: 0 0 16px 0; }

.feature-icon {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 20px;
  opacity: 0.6;
}

.feature-item h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.feature-item p {
  font-size: 0.88rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ========== DIFFERENCE ========== */
.difference {
  padding: var(--section-pad) 24px;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-card) 50%, var(--bg) 100%);
}

.difference-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.comparison-table {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.05);
}

.comparison-row {
  display: grid;
  grid-template-columns: 160px 1fr 1fr;
}

.comparison-row.header {
  background: var(--bg-highlight);
}

.comparison-cell {
  padding: 18px 24px;
  font-size: 0.88rem;
  color: var(--fg-muted);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.comparison-row.header .comparison-cell {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--fg-dim);
  text-transform: uppercase;
}

.comparison-cell.label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--fg);
}

.comparison-cell.highlight {
  background: rgba(212, 168, 83, 0.04);
  color: var(--fg);
  border-left: 1px solid rgba(212, 168, 83, 0.15);
}

.comparison-row.header .comparison-cell.highlight {
  color: var(--accent);
}

/* ========== CLOSING ========== */
.closing {
  padding: var(--section-pad) 24px;
  padding-top: clamp(100px, 12vw, 160px);
  padding-bottom: clamp(100px, 12vw, 160px);
  text-align: center;
}

.closing-inner {
  max-width: 720px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
}

.closing-sub {
  font-size: clamp(1rem, 1.4vw, 1.1rem);
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 500px;
  margin: 0 auto;
}

/* ========== FOOTER ========== */
.site-footer {
  padding: 40px 24px;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--fg);
}

.footer-note {
  font-size: 0.8rem;
  color: var(--fg-dim);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
  .how-grid {
    grid-template-columns: 1fr;
  }

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

  .feature-item { border-radius: 0 !important; }
  .feature-item:first-child { border-radius: 16px 16px 0 0 !important; }
  .feature-item:last-child { border-radius: 0 0 16px 16px !important; }

  .comparison-row {
    grid-template-columns: 100px 1fr 1fr;
  }

  .comparison-cell {
    padding: 14px 12px;
    font-size: 0.78rem;
  }

  .hero-stats {
    gap: 20px;
  }

  .stat-divider {
    display: none;
  }
}

@media (max-width: 480px) {
  .comparison-row {
    grid-template-columns: 1fr;
  }

  .comparison-cell.highlight {
    border-left: none;
    border-top: 1px solid rgba(212, 168, 83, 0.15);
  }

  .comparison-cell.label {
    padding-bottom: 4px;
    border-bottom: none;
  }

  .comparison-row.header {
    display: none;
  }

  .hero-stats {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
}

/* ========== SIGNUP FORM ========== */
.signup-form {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-top: 40px;
  flex-wrap: wrap;
}

.signup-form input[type="email"] {
  padding: 14px 20px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.05);
  color: var(--fg);
  font-size: 1rem;
  width: 280px;
  font-family: var(--font-body);
}

.signup-form input[type="email"]::placeholder {
  color: var(--fg-muted);
}

.signup-form button {
  padding: 14px 28px;
  border-radius: 8px;
  border: none;
  background: var(--accent);
  color: #0C0B0F;
  font-size: 0.95rem;
  font-weight: 700;
  font-family: var(--font-display);
  cursor: pointer;
  transition: background 0.2s;
}

.signup-form button:hover {
  background: var(--accent-soft);
}

#signup-success, #signup-error {
  margin-top: 20px;
  font-size: 1rem;
}

#signup-success { color: var(--accent); }
#signup-error { color: #e05a5a; }

/* ========== LANDING NAV ========== */
.landing-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  padding: 0 24px;
  height: 56px;
  display: flex;
  align-items: center;
  background: rgba(12,11,15,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.landing-nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.landing-nav-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.landing-nav-cta {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
  border: 1px solid rgba(212,168,83,0.35);
  padding: 7px 16px;
  border-radius: 100px;
  transition: background 0.2s;
  background: var(--accent-glow);
}

.landing-nav-cta:hover {
  background: rgba(212,168,83,0.2);
}

/* ========== FOOTER LINKS ========== */
.footer-links {
  display: flex;
  gap: 20px;
}

.footer-link {
  font-size: 0.8rem;
  color: var(--fg-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-link:hover {
  color: var(--accent);
}