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

:root {
  --bg: #0a0a0f;
  --bg-card: #111827;
  --bg-card-hover: #1a2235;
  --accent: #00ff88;
  --accent-dim: #00cc6a;
  --purple: #7c3aed;
  --purple-dim: #6d28d9;
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --border: #1e293b;
  --border-accent: #00ff8833;
  --radius: 12px;
  --radius-sm: 8px;
  --max-w: 1200px;
  --font: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: #33ffaa; }

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

/* ===== Typography ===== */
h1, h2, h3, h4 { line-height: 1.2; font-weight: 700; }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.5rem); letter-spacing: -0.01em; }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }
p { color: var(--text-muted); font-size: 1.05rem; }

/* ===== Layout ===== */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-alt { background: #0d0d14; }

/* ===== Navigation ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  letter-spacing: -0.02em;
}
.nav-logo span { color: var(--accent); }

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

.nav-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  background: var(--accent);
  color: #0a0a0f !important;
  font-weight: 700;
  font-size: 0.85rem;
  border-radius: 999px;
  transition: all 0.2s;
}
.nav-cta:hover {
  background: #33ffaa;
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(0, 255, 136, 0.3);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: transform 0.3s;
}

/* ===== Hero ===== */
.hero {
  padding: 140px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(0, 255, 136, 0.08) 0%, rgba(124, 58, 237, 0.05) 40%, transparent 70%);
  pointer-events: none;
}

.hero h1 {
  max-width: 800px;
  margin: 0 auto 20px;
  position: relative;
}

.hero h1 .gradient {
  background: linear-gradient(135deg, var(--accent), #33ffaa, var(--purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  max-width: 640px;
  margin: 0 auto 40px;
  font-size: 1.2rem;
  color: var(--text-muted);
  position: relative;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 36px;
  background: var(--accent);
  color: #0a0a0f;
  font-weight: 800;
  font-size: 1.1rem;
  border-radius: 999px;
  transition: all 0.25s;
  position: relative;
}
.hero-cta:hover {
  background: #33ffaa;
  color: #0a0a0f;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 255, 136, 0.35);
}

.hero-trust {
  margin-top: 24px;
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* ===== Feature Cards ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: all 0.3s;
}
.feature-card:hover {
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 16px;
  display: block;
}

.feature-card h3 {
  margin-bottom: 10px;
  color: var(--text);
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* ===== Section Headers ===== */
.section-header {
  text-align: center;
  margin-bottom: 48px;
}
.section-header h2 { margin-bottom: 12px; }
.section-header p { max-width: 600px; margin: 0 auto; }
.section-header .badge {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(0, 255, 136, 0.1);
  color: var(--accent);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

/* ===== Referral Section ===== */
.referral-box {
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.15), rgba(0, 255, 136, 0.08));
  border: 1px solid rgba(124, 58, 237, 0.3);
  border-radius: var(--radius);
  padding: 48px 40px;
  text-align: center;
}

.referral-tiers {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin: 32px 0;
  flex-wrap: wrap;
}

.tier {
  text-align: center;
}

.tier-pct {
  font-size: 3rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}

.tier-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ===== Comparison Table ===== */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.compare-table thead {
  background: var(--bg-card);
}

.compare-table th,
.compare-table td {
  padding: 16px 20px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.compare-table th {
  font-weight: 700;
  color: var(--text);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.compare-table th:first-child,
.compare-table td:first-child {
  text-align: left;
  font-weight: 600;
}

.compare-table tbody tr {
  transition: background 0.2s;
}
.compare-table tbody tr:hover {
  background: rgba(17, 24, 39, 0.5);
}

.compare-table .check { color: var(--accent); font-weight: 700; font-size: 1.2rem; }
.compare-table .cross { color: #ef4444; font-weight: 700; font-size: 1.2rem; }
.compare-table .partial { color: #f59e0b; font-weight: 600; }

.compare-table .highlight-col {
  background: rgba(0, 255, 136, 0.05);
}

/* ===== CTA Banner ===== */
.cta-banner {
  text-align: center;
  padding: 80px 24px;
  background: linear-gradient(180deg, var(--bg) 0%, #0d0d14 100%);
}

.cta-banner h2 { margin-bottom: 16px; }
.cta-banner p { margin-bottom: 32px; max-width: 500px; margin-left: auto; margin-right: auto; }

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: var(--accent);
  color: #0a0a0f;
  font-weight: 700;
  font-size: 1rem;
  border-radius: 999px;
  transition: all 0.25s;
  border: none;
  cursor: pointer;
}
.btn-primary:hover {
  background: #33ffaa;
  color: #0a0a0f;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 255, 136, 0.3);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: transparent;
  color: var(--accent);
  font-weight: 700;
  font-size: 1rem;
  border-radius: 999px;
  border: 2px solid var(--accent);
  transition: all 0.25s;
  cursor: pointer;
}
.btn-outline:hover {
  background: rgba(0, 255, 136, 0.1);
  transform: translateY(-2px);
}

/* ===== Footer ===== */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 40px;
}

.footer-brand p {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-top: 8px;
  max-width: 300px;
}

.footer-links { display: flex; gap: 60px; flex-wrap: wrap; }

.footer-col h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  margin-bottom: 12px;
}

.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; }
.footer-col a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--text); }

.footer-bottom {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* ===== Content Pages ===== */
.page-hero {
  padding: 120px 0 60px;
  text-align: center;
}
.page-hero h1 { margin-bottom: 16px; }
.page-hero p { max-width: 640px; margin: 0 auto; font-size: 1.15rem; }

.content {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px 80px;
}

.content h2 {
  margin: 48px 0 16px;
  padding-top: 16px;
}

.content h3 {
  margin: 32px 0 12px;
}

.content p {
  margin-bottom: 16px;
}

.content ul, .content ol {
  margin: 0 0 20px 24px;
  color: var(--text-muted);
}
.content li {
  margin-bottom: 8px;
  font-size: 1.05rem;
}

.content .inline-cta {
  display: block;
  text-align: center;
  margin: 40px 0;
}

/* Step cards for tutorials */
.step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 32px;
  margin: 24px 0;
  position: relative;
  padding-left: 80px;
}

.step-num {
  position: absolute;
  left: 24px;
  top: 28px;
  width: 40px;
  height: 40px;
  background: rgba(0, 255, 136, 0.1);
  color: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
}

.step h3 { margin: 0 0 8px; font-size: 1.15rem; }
.step p { margin: 0; font-size: 0.95rem; }

/* Placeholder image/screenshot */
.placeholder-img {
  background: linear-gradient(135deg, var(--bg-card), #1a2235);
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  padding: 48px 24px;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.85rem;
  margin: 24px 0;
}

/* Verdict box */
.verdict {
  background: linear-gradient(135deg, rgba(0, 255, 136, 0.08), rgba(124, 58, 237, 0.06));
  border: 1px solid var(--border-accent);
  border-radius: var(--radius);
  padding: 32px;
  margin: 40px 0;
}
.verdict h3 { color: var(--accent); margin-bottom: 12px; }

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.98);
    backdrop-filter: blur(20px);
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid var(--border);
  }

  .hero { padding: 120px 0 60px; }
  .hero-sub { font-size: 1.05rem; }

  .section { padding: 60px 0; }

  .referral-tiers { gap: 24px; }
  .referral-box { padding: 32px 20px; }

  .compare-table th,
  .compare-table td { padding: 12px 14px; font-size: 0.85rem; }

  .footer-inner { flex-direction: column; gap: 24px; }
  .footer-links { gap: 32px; }

  .step { padding-left: 24px; padding-top: 70px; }
  .step-num { top: 20px; }

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

@media (max-width: 480px) {
  h1 { font-size: 1.8rem; }
  .hero-cta { padding: 14px 28px; font-size: 1rem; }
}

/* ===== Animations ===== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-in {
  opacity: 0;
  animation: fadeUp 0.6s ease forwards;
}

.animate-in:nth-child(2) { animation-delay: 0.1s; }
.animate-in:nth-child(3) { animation-delay: 0.2s; }
.animate-in:nth-child(4) { animation-delay: 0.3s; }