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

:root {
  --bg:      #0a0a0a;
  --bg2:     #111111;
  --bg3:     #161616;
  --border:  #222222;
  --border2: #2a2a2a;
  --text:    #e0e0e0;
  --text2:   #888888;
  --text3:   #444444;
  --accent:  #7c6aff;
  --green:   #4a9966;
  --radius:  8px;
}

html, body {
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── NAV ───────────────────────────────────────────────────────── */
nav {
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky; top: 0; z-index: 50;
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 56px;
}
.nav-logo {
  font-family: 'Courier New', monospace;
  font-size: 17px; font-weight: 700;
  color: #fff; text-decoration: none; letter-spacing: -0.5px;
}
.nav-right { display: flex; align-items: center; gap: 20px; }
.nav-link {
  font-size: 13px; color: var(--text2); text-decoration: none; transition: color 0.15s;
}
.nav-link:hover { color: var(--text); }
.nav-cta {
  font-size: 13px; padding: 7px 16px; border-radius: 6px;
  background: var(--bg3); border: 1px solid var(--border2);
  color: var(--text); text-decoration: none; transition: all 0.15s;
}
.nav-cta:hover { border-color: #444; background: #1e1e1e; }

/* ── HERO ──────────────────────────────────────────────────────── */
.hero { padding: 60px 0 90px; }
.hero-inner { max-width: 780px; }
.hero h1 {
  font-size: 52px; font-weight: 700; line-height: 1.1;
  letter-spacing: -0.03em; color: #fff; margin-bottom: 24px;
}
.hero-sub {
  font-size: 18px; color: var(--text2); line-height: 1.7;
  max-width: 620px; margin-bottom: 36px;
}
.hero-btns { display: flex; gap: 12px; flex-wrap: wrap; }
.btn-primary {
  display: inline-block; padding: 13px 26px; border-radius: var(--radius);
  background: #fff; color: #000; font-size: 15px; font-weight: 500;
  text-decoration: none; transition: opacity 0.15s;
}
.btn-primary:hover { opacity: 0.88; }
.btn-secondary {
  display: inline-block; padding: 13px 26px; border-radius: var(--radius);
  background: transparent; border: 1px solid var(--border2); color: var(--text2);
  font-size: 15px; font-weight: 400; text-decoration: none; transition: all 0.15s;
}
.btn-secondary:hover { border-color: #444; color: var(--text); }

/* Trust badges */
.trust-badges {
  display: flex; gap: 10px; flex-wrap: wrap;
  margin-top: 20px;
}
.trust-badge {
  font-size: 12px; color: #666;
  background: #111; border: 1px solid #222;
  border-radius: 20px; padding: 4px 12px;
  display: flex; align-items: center; gap: 5px;
}

/* ── SECTION TITLES ────────────────────────────────────────────── */
.section-title {
  font-size: 28px; font-weight: 600; letter-spacing: -0.02em;
  color: #fff; margin-bottom: 40px;
}
.section-sub {
  font-size: 15px; color: var(--text2); line-height: 1.7;
  margin-top: -28px; margin-bottom: 40px;
}

/* ── FEATURES ──────────────────────────────────────────────────── */
.features { padding: 80px 0; border-top: 1px solid var(--border); }
.feature-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1px; background: var(--border);
  border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden;
}
.feature-card {
  background: var(--bg); padding: 28px 24px;
  transition: background 0.15s;
}
.feature-card:hover { background: var(--bg2); }
.feature-icon { font-size: 22px; margin-bottom: 12px; }
.feature-card h3 {
  font-size: 15px; font-weight: 600; color: #fff;
  margin-bottom: 8px; letter-spacing: -0.01em;
}
.feature-card p { font-size: 13px; color: var(--text2); line-height: 1.7; }

/* ── AUDIENCE SECTION ─────────────────────────────────────────── */
.audience-section { padding: 80px 0; text-align: center; }
.audience-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 16px; margin-top: 40px;
}
.audience-card {
  background: #111; border: 1px solid #1e1e1e;
  border-radius: 10px; padding: 24px 20px;
  text-align: left; min-width: 0;
}
.audience-icon { font-size: 24px; margin-bottom: 12px; display: block; }
.audience-card h3 {
  font-size: 15px; font-weight: 500;
  color: #e0e0e0; margin-bottom: 8px;
}
.audience-card p { font-size: 13px; color: #666; line-height: 1.6; }

/* ── HOW IT WORKS ──────────────────────────────────────────────── */
.how { padding: 80px 0; border-top: 1px solid var(--border); }
.steps {
  display: grid; grid-template-columns: 1fr 24px 1fr 24px 1fr; align-items: start; gap: 0;
}
.step { padding: 0 8px; }
.step-divider { display: flex; align-items: flex-start; padding-top: 22px; justify-content: center; color: var(--text3); font-size: 18px; }
.step-divider::before { content: '→'; }
.step-num {
  font-size: 36px; font-weight: 700; color: var(--border2);
  line-height: 1; margin-bottom: 12px; font-variant-numeric: tabular-nums;
}
.step h3 { font-size: 16px; font-weight: 600; color: #fff; margin-bottom: 8px; }
.step p { font-size: 13px; color: var(--text2); line-height: 1.7; }

/* ── CALLOUTS ──────────────────────────────────────────────────── */
.callout {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg2);
  padding: 60px 0;
}
.callout-inner {
  display: flex; align-items: center;
  justify-content: space-between; gap: 48px;
}
.callout-text { max-width: 560px; }
.callout-text h2 {
  font-size: 24px; font-weight: 600; color: #fff;
  letter-spacing: -0.02em; margin-bottom: 14px;
}
.callout-text p { font-size: 14px; color: var(--text2); line-height: 1.8; }
.callout-cta {
  display: inline-block; margin-top: 18px; font-size: 13px;
  color: var(--accent); text-decoration: none; transition: opacity 0.15s;
}
.callout-cta:hover { opacity: 0.75; }

.native-callout .callout-badge {
  display: flex; flex-direction: column; gap: 8px; flex-shrink: 0;
}
.badge-item {
  font-size: 12px; color: var(--green); background: #0d1f14;
  border: 1px solid #1a3020; border-radius: 4px; padding: 5px 12px;
  white-space: nowrap;
}

.memstore-callout { border-left: 3px solid var(--accent); }
.memstore-badge {
  display: flex; align-items: center; gap: 14px; flex-shrink: 0;
  background: var(--bg3); border: 1px solid var(--border2);
  border-radius: var(--radius); padding: 18px 22px;
}
.memstore-badge-icon { font-size: 28px; }
.memstore-badge-title { font-size: 15px; font-weight: 600; color: #fff; }
.memstore-badge-sub { font-size: 12px; color: var(--text3); margin-top: 2px; }

/* ── COMPARISON TABLE ──────────────────────────────────────────── */
.comparison { padding: 80px 0; border-top: 1px solid var(--border); }
.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead tr { border-bottom: 1px solid var(--border); background: var(--bg2); }
th {
  padding: 12px 16px; text-align: center;
  font-size: 12px; font-weight: 600; color: var(--text2);
  letter-spacing: 0.02em; white-space: nowrap;
}
th.feature-col { text-align: left; color: var(--text3); }
th.aihub-col, td.aihub-col { background: rgba(74, 153, 102, 0.06); }
th.aihub-col { color: var(--green); }
td {
  padding: 11px 16px; text-align: center;
  border-top: 1px solid var(--border); color: var(--text2);
}
td:first-child { text-align: left; color: var(--text); }
tbody tr:hover td { background: var(--bg2); }
tbody tr:hover td.aihub-col { background: rgba(74, 153, 102, 0.1); }
.check { color: var(--green); font-size: 15px; font-weight: 600; }
.cross  { color: var(--text3); font-size: 14px; }

/* ── EXTENSION ─────────────────────────────────────────────────── */
.extension-section {
  border-top: 1px solid var(--border);
  background: var(--bg2); padding: 60px 0;
}
.extension-inner {
  display: flex; align-items: center;
  justify-content: space-between; gap: 48px;
}
.extension-text { max-width: 520px; }
.extension-text h2 {
  font-size: 24px; font-weight: 600; color: #fff;
  letter-spacing: -0.02em; margin-bottom: 14px;
}
.extension-text p { font-size: 14px; color: var(--text2); line-height: 1.8; }
.extension-note { font-size: 12px; color: var(--text3); margin-top: 12px !important; }
.extension-visual { flex-shrink: 0; }
.ext-mockup {
  width: 140px; background: var(--bg3); border: 1px solid var(--border2);
  border-radius: var(--radius); padding: 16px; display: flex;
  flex-direction: column; gap: 8px; align-items: center;
}
.ext-dot { width: 28px; height: 28px; border-radius: 50%; background: #2a2a2a; }
.ext-label { font-size: 10px; color: var(--text3); margin-top: 4px; }

/* ── FAQ ───────────────────────────────────────────────────────── */
.faq-section { padding: 80px 0; }
.faq-section .container { max-width: 720px; }
.faq-list {
  margin-top: 40px; display: flex;
  flex-direction: column; gap: 0;
}
.faq-item { border-top: 1px solid #1a1a1a; padding: 20px 0; }
.faq-item:last-child { border-bottom: 1px solid #1a1a1a; }
.faq-q {
  font-size: 15px; font-weight: 500; color: #e0e0e0;
  margin-bottom: 8px;
}
.faq-a { font-size: 14px; color: #666; line-height: 1.7; }

/* ── FOOTER ────────────────────────────────────────────────────── */
footer {
  border-top: 1px solid #161616;
  padding: 24px 0;
}
.footer-inner {
  display: flex; align-items: center;
  justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.footer-left { font-size: 12px; color: var(--text3); }
.footer-right { font-size: 12px; color: var(--text3); }
.footer-links { display: flex; gap: 20px; }
.footer-links a { font-size: 12px; color: var(--text3); text-decoration: none; transition: color 0.15s; }
.footer-links a:hover { color: var(--text2); }

/* ── RESPONSIVE ────────────────────────────────────────────────── */
@media (max-width: 860px) {
  .hero h1 { font-size: 38px; }
  .hero-sub { font-size: 16px; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .audience-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; gap: 28px; }
  .step-divider { display: none; }
  .callout-inner { flex-direction: column; gap: 28px; }
  .extension-inner { flex-direction: column; gap: 28px; }
  .footer-inner { flex-direction: column; align-items: flex-start; gap: 12px; }
}
@media (max-width: 560px) {
  .hero { padding: 60px 0; }
  .hero h1 { font-size: 30px; }
  .feature-grid { grid-template-columns: 1fr; }
  .audience-grid { grid-template-columns: 1fr; }
  .section-title { font-size: 22px; }
  .nav-right { gap: 12px; }
  .hero-btns { flex-direction: column; }
  .btn-primary, .btn-secondary { text-align: center; }
}