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

:root {
  --accent: #c47040;
  --accent-light: #d4845a;
  --bg: #0d0d12;
  --bg2: #13131a;
  --bg3: #1a1a24;
  --border: rgba(255,255,255,0.08);
  --text: #f0ece6;
  --text2: #a09890;
  --text3: #6a6060;
  --radius: 16px;
  --radius-sm: 10px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ─── NAV ─── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13,13,18,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 60px;
}
.logo {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.3px;
  flex-shrink: 0;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-left: auto;
}
.nav-links a {
  color: var(--text2);
  text-decoration: none;
  font-size: 14px;
  transition: color .2s;
}
.nav-links a:hover { color: var(--text); }
.burger {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 22px;
  cursor: pointer;
  margin-left: auto;
}
.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--border);
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  padding: 14px 24px;
  color: var(--text2);
  text-decoration: none;
  font-size: 15px;
  border-bottom: 1px solid var(--border);
  transition: background .15s;
}
.mobile-menu a:hover { background: var(--bg2); color: var(--text); }

/* ─── BUTTONS ─── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  padding: 11px 22px;
  border-radius: var(--radius-sm);
  transition: background .2s, transform .15s;
}
.btn-primary:hover { background: var(--accent-light); transform: translateY(-1px); }
.btn-primary.btn-large { font-size: 17px; padding: 14px 32px; border-radius: var(--radius); }
.btn-ghost {
  display: inline-flex;
  align-items: center;
  color: var(--text2);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  padding: 11px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  transition: color .2s, border-color .2s;
}
.btn-ghost:hover { color: var(--text); border-color: rgba(255,255,255,0.2); }
.btn-nav {
  display: inline-flex;
  align-items: center;
  background: var(--accent);
  color: #fff !important;
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  padding: 7px 16px;
  border-radius: 8px;
  transition: background .2s;
}
.btn-nav:hover { background: var(--accent-light) !important; }

/* ─── HERO ─── */
.hero {
  position: relative;
  padding: 100px 0 80px;
  text-align: center;
  overflow: hidden;
}
.hero-glow {
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(196,112,64,.18) 0%, transparent 70%);
  pointer-events: none;
}
.hero-badge {
  display: inline-block;
  background: rgba(196,112,64,.15);
  border: 1px solid rgba(196,112,64,.3);
  color: var(--accent-light);
  font-size: 13px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
  letter-spacing: 0.3px;
}
.hero-title {
  font-size: clamp(36px, 6vw, 72px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -2px;
  margin-bottom: 20px;
}
.accent { color: var(--accent-light); }
.hero-sub {
  font-size: 18px;
  color: var(--text2);
  max-width: 560px;
  margin: 0 auto 36px;
  line-height: 1.65;
}
.hero-cta {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 56px;
}
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}
.stat { display: flex; flex-direction: column; gap: 2px; }
.stat-num { font-size: 28px; font-weight: 800; color: var(--text); }
.stat-label { font-size: 12px; color: var(--text3); text-transform: uppercase; letter-spacing: 0.8px; }
.stat-divider { width: 1px; height: 40px; background: var(--border); }

/* ─── SECTIONS ─── */
.section-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent);
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(26px, 4vw, 42px);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 12px;
}
.section-sub {
  font-size: 17px;
  color: var(--text2);
  max-width: 560px;
  margin-bottom: 48px;
}

/* ─── FEATURES ─── */
.features {
  padding: 80px 0;
  border-top: 1px solid var(--border);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.feature-large {
  grid-column: span 2;
  grid-row: span 2;
}
.feature-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color .2s, transform .2s;
}
.feature-card:hover { border-color: rgba(196,112,64,.35); transform: translateY(-2px); }
.feature-icon { font-size: 28px; margin-bottom: 14px; }
.feature-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.feature-card p { font-size: 14px; color: var(--text2); line-height: 1.6; }
.feature-demo { margin-top: 20px; display: flex; flex-direction: column; gap: 12px; }
.xp-bar { display: flex; flex-direction: column; gap: 5px; }
.xp-bar > span { font-size: 12px; color: var(--text3); }
.bar { height: 6px; background: var(--bg3); border-radius: 3px; overflow: hidden; }
.bar-fill { height: 100%; background: var(--accent); border-radius: 3px; transition: width .5s; }

/* ─── SPHERES ─── */
.spheres {
  padding: 80px 0;
  border-top: 1px solid var(--border);
}
.spheres-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
  margin-bottom: 48px;
}
.sphere-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 12px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: center;
  transition: border-color .2s, transform .2s;
  position: relative;
  overflow: hidden;
}
.sphere-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--c);
}
.sphere-card:hover { border-color: var(--c); transform: translateY(-3px); }
.sphere-icon { font-size: 24px; }
.sphere-name { font-size: 13px; font-weight: 600; }
.sphere-level { font-size: 11px; color: var(--text3); background: var(--bg3); padding: 2px 8px; border-radius: 100px; }
.radar-wrap { display: flex; justify-content: center; }

/* ─── HOW ─── */
.how {
  padding: 80px 0;
  border-top: 1px solid var(--border);
}
.steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  margin-top: 48px;
}
.step {
  flex: 1;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
}
.step-num {
  font-size: 36px;
  font-weight: 800;
  color: var(--accent);
  opacity: .5;
  margin-bottom: 12px;
  font-variant-numeric: tabular-nums;
}
.step h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.step p { font-size: 14px; color: var(--text2); line-height: 1.65; }
.step-arrow {
  font-size: 24px;
  color: var(--text3);
  padding: 0 16px;
  padding-top: 40px;
  flex-shrink: 0;
}

/* ─── PRIVACY ─── */
.privacy {
  padding: 32px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.privacy-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.privacy-icon { font-size: 32px; flex-shrink: 0; }
.privacy-inner h3 { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.privacy-inner p { font-size: 14px; color: var(--text2); }
.privacy-inner .btn-primary { margin-left: auto; flex-shrink: 0; }

/* ─── CTA ─── */
.cta-section {
  padding: 100px 0;
  text-align: center;
  background: radial-gradient(ellipse at center top, rgba(196,112,64,.12) 0%, transparent 60%);
}
.cta-section h2 { font-size: clamp(28px, 4vw, 48px); font-weight: 800; letter-spacing: -1px; margin-bottom: 12px; }
.cta-section p { font-size: 16px; color: var(--text2); margin-bottom: 32px; }

/* ─── FOOTER ─── */
.footer {
  padding: 24px 0;
  border-top: 1px solid var(--border);
}
.footer-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-links { display: flex; gap: 20px; }
.footer-links a { font-size: 13px; color: var(--text3); text-decoration: none; transition: color .2s; }
.footer-links a:hover { color: var(--text2); }
.footer-copy { font-size: 13px; color: var(--text3); margin-left: auto; }

/* ─── RESPONSIVE ─── */
@media (max-width: 900px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-large { grid-column: span 2; grid-row: span 1; }
  .spheres-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 640px) {
  .nav-links { display: none; }
  .burger { display: block; }
  .hero { padding: 64px 0 56px; }
  .hero-sub { font-size: 16px; }
  .features-grid { grid-template-columns: 1fr; }
  .feature-large { grid-column: span 1; }
  .spheres-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { flex-direction: column; }
  .step-arrow { display: none; }
  .privacy-inner .btn-primary { margin-left: 0; }
  .footer-copy { margin-left: 0; }
}