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

:root {
  --bg: #0D1117;
  --bg-2: #161B22;
  --bg-card: #1C2128;
  --fg: #E6EDF3;
  --fg-2: #8B949E;
  --accent: #00E5A0;
  --accent-dim: rgba(0, 229, 160, 0.12);
  --accent-2: #7B61FF;
  --red: #FF6B6B;
  --border: rgba(240, 246, 252, 0.08);
  --font-display: 'Bebas Neue', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ===== NAV ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 32px;
  border-bottom: 1px solid var(--border);
  background: rgba(13, 17, 23, 0.85);
  backdrop-filter: blur(12px);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--fg);
  font-family: var(--font-display);
  font-size: 1.4rem;
  letter-spacing: 0.05em;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-links a {
  text-decoration: none;
  color: var(--fg-2);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--fg); }
.nav-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  background: rgba(0, 229, 160, 0.1);
  border: 1px solid rgba(0, 229, 160, 0.25);
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.04em;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 100px 32px 80px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 70% 40%, rgba(0, 229, 160, 0.08) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 20% 80%, rgba(123, 97, 255, 0.06) 0%, transparent 60%),
    linear-gradient(180deg, var(--bg) 0%, #0a1628 100%);
  z-index: 0;
}
.hero-bg::before {
  content: '';
  position: absolute;
  top: 20%;
  right: -5%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 229, 160, 0.06) 0%, transparent 70%);
}
.hero-bg::after {
  content: '';
  position: absolute;
  bottom: 10%;
  left: 5%;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(123, 97, 255, 0.05) 0%, transparent 70%);
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: end;
}
.hero-eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 7vw, 6rem);
  line-height: 0.95;
  letter-spacing: 0.02em;
  color: var(--fg);
  margin-bottom: 28px;
}
.hero-sub {
  font-size: 1.125rem;
  color: var(--fg-2);
  line-height: 1.7;
  max-width: 440px;
}
.hero-right {
  align-self: center;
}
.stat-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 2px;
  background: var(--border);
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.stat {
  background: var(--bg-2);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--accent);
  letter-spacing: 0.04em;
}
.stat-label {
  font-size: 0.75rem;
  color: var(--fg-2);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 500;
  line-height: 1.4;
}

/* ===== HOW ===== */
.how {
  padding: 100px 32px;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.how-inner { max-width: 1200px; margin: 0 auto; }
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: 0.02em;
  margin-bottom: 16px;
}
.section-sub {
  color: var(--fg-2);
  font-size: 1.125rem;
  max-width: 560px;
  margin-bottom: 72px;
}
.how-steps {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: var(--border);
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.step {
  background: var(--bg-card);
  padding: 40px;
  display: flex;
  gap: 24px;
}
.step-num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--accent);
  letter-spacing: 0.04em;
  opacity: 0.5;
  flex-shrink: 0;
  line-height: 1;
}
.step-body h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  letter-spacing: 0.04em;
  margin-bottom: 12px;
}
.step-body p {
  color: var(--fg-2);
  font-size: 0.9rem;
  line-height: 1.65;
}

/* ===== FEATURES ===== */
.features { padding: 100px 32px; background: var(--bg); }
.features-inner { max-width: 1200px; margin: 0 auto; }
.feature-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}
.feature-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px;
}
.feature-icon {
  width: 56px;
  height: 56px;
  background: var(--accent-dim);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}
.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: 0.04em;
  margin-bottom: 12px;
}
.feature-card p {
  color: var(--fg-2);
  font-size: 0.9rem;
  line-height: 1.65;
}

/* ===== TEKKCOIN ===== */
.tekkcoin {
  padding: 100px 32px;
  background: linear-gradient(135deg, #0D1117 0%, #0a1a12 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.tekkcoin-inner { max-width: 1200px; margin: 0 auto; }
.tekkcoin-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--accent-dim);
  border: 1px solid rgba(0, 229, 160, 0.2);
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 32px;
}
.token-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.tekkcoin-headline {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: 0.02em;
  line-height: 1.1;
  margin-bottom: 20px;
}
.tekkcoin-sub {
  color: var(--fg-2);
  font-size: 1.125rem;
  max-width: 520px;
  margin-bottom: 56px;
}
.earn-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--border);
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border);
  margin-bottom: 32px;
}
.earn-item {
  background: var(--bg-card);
  padding: 36px 32px;
  display: flex;
  align-items: flex-start;
  gap: 20px;
}
.earn-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-dim);
  border-radius: 10px;
}
.earn-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.earn-action {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.06em;
  color: var(--fg);
}
.earn-rate {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent);
}
.earn-desc {
  font-size: 0.8rem;
  color: var(--fg-2);
}
.tekkcoin-note {
  font-size: 0.8rem;
  color: var(--fg-2);
  border-top: 1px solid var(--border);
  padding-top: 24px;
}

/* ===== NETWORK ===== */
.network { padding: 100px 32px; background: var(--bg); }
.network-inner { max-width: 1200px; margin: 0 auto; }
.network-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.network-headline {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: 0.02em;
  margin-bottom: 20px;
}
.network-sub {
  color: var(--fg-2);
  font-size: 1.125rem;
  max-width: 580px;
  margin-bottom: 56px;
}
.network-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.net-feat {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 24px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: 0.9rem;
  font-weight: 500;
}
.net-feat-icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  background: var(--accent-dim);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ===== CLOSING ===== */
.closing {
  padding: 120px 32px;
  background: linear-gradient(180deg, var(--bg) 0%, #0a1628 100%);
  border-top: 1px solid var(--border);
}
.closing-inner { max-width: 1200px; margin: 0 auto; }
.closing-statement {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 3rem);
  line-height: 1.25;
  letter-spacing: 0.02em;
  max-width: 860px;
  margin-bottom: 48px;
}
.closing-tag {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.tag-pill {
  padding: 8px 20px;
  border: 1px solid rgba(0, 229, 160, 0.25);
  border-radius: 24px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
}

/* ===== FOOTER ===== */
.footer {
  padding: 48px 32px;
  border-top: 1px solid var(--border);
  background: var(--bg-2);
}
.footer-inner { max-width: 1200px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px; }
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.05em;
}
.footer-links {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.875rem;
  color: var(--fg-2);
}
.footer-links a { color: var(--fg-2); text-decoration: none; }
.footer-links a:hover { color: var(--fg); }
.footer-sep { opacity: 0.4; }
.footer-copy { font-size: 0.8rem; color: var(--fg-2); }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .hero-content { grid-template-columns: 1fr; gap: 48px; }
  .hero-right { order: -1; }
  .stat-row { grid-template-columns: 1fr 1fr 1fr; }
  .how-steps { grid-template-columns: 1fr; }
  .feature-pair { grid-template-columns: 1fr; }
  .earn-grid { grid-template-columns: 1fr; }
  .network-features { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .nav { padding: 0 20px; }
  .nav-links a { display: none; }
  .nav-links .nav-badge { display: flex; }
  .hero { padding: 90px 20px 60px; }
  .how, .features, .tekkcoin, .network, .closing { padding: 64px 20px; }
  .step, .feature-card, .earn-item, .net-feat { padding: 28px 24px; }
  .stat-row { grid-template-columns: 1fr; }
  .network-features { grid-template-columns: 1fr; }
}