/* === BASE RESET & TOKENS === */
:root {
  --bg: #0e0c1a;
  --bg-card: #17142a;
  --bg-card-hover: #1f1c35;
  --accent: #ff6b35;
  --accent-soft: rgba(255, 107, 53, 0.12);
  --text-primary: #f5f0ff;
  --text-secondary: #9d96b8;
  --text-muted: #5e5a78;
  --border: rgba(255, 255, 255, 0.07);
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text-primary);
  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: 50;
  padding: 0 clamp(24px, 5vw, 64px);
  height: 64px;
  display: flex;
  align-items: center;
  background: rgba(14, 12, 26, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.nav-tagline {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  font-weight: 400;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

/* === HERO === */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px clamp(24px, 5vw, 64px) 80px;
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 5.5rem);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 28px;
}

.highlight {
  color: var(--accent);
  position: relative;
  display: inline-block;
}

.highlight::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
  opacity: 0.5;
}

.hero-sub {
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  color: var(--text-secondary);
  line-height: 1.65;
  max-width: 480px;
  font-weight: 300;
}

.hero-visual {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

/* === PROFIT CARD === */
.profit-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 28px 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.profit-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.profit-label {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  font-weight: 400;
  letter-spacing: 0.02em;
}

.profit-value {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.buy { color: var(--text-secondary); }
.sell { color: var(--text-primary); }
.margin { color: var(--accent); }

.profit-arrow {
  text-align: center;
  font-size: 1.25rem;
  color: var(--text-muted);
  padding: 4px 0;
}

.profit-divider {
  height: 1px;
  background: var(--border);
  margin: 4px 0;
}

/* === PLATFORM TAGS === */
.platform-tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  padding: 0 4px;
}

.ptag {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* === FEATURES === */
.features {
  padding: 80px clamp(24px, 5vw, 64px);
  background: var(--bg);
}

.features-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.features-header {
  text-align: center;
  margin-bottom: 64px;
}

.features-header h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  margin-bottom: 16px;
  line-height: 1.1;
}

.features-header p {
  font-size: 1rem;
  color: var(--text-secondary);
  font-weight: 400;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 36px 32px;
  transition: background 0.3s ease, border-color 0.3s ease;
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 107, 53, 0.2);
}

.feature-icon {
  width: 44px;
  height: 44px;
  background: var(--accent-soft);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--accent);
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
  letter-spacing: -0.015em;
}

.feature-card p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.65;
  font-weight: 300;
}

/* === CLOSING === */
.closing {
  padding: 100px clamp(24px, 5vw, 64px) 120px;
  background: var(--bg);
  position: relative;
}

.closing::before {
  content: '';
  position: absolute;
  top: 0;
  left: clamp(24px, 5vw, 64px);
  right: clamp(24px, 5vw, 64px);
  height: 1px;
  background: linear-gradient(to right, transparent, var(--border), transparent);
}

.closing-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.closing-quote {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.5vw, 1.875rem);
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.45;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
}

.closing-statement {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  font-weight: 300;
}

/* === FOOTER === */
.footer {
  padding: 32px clamp(24px, 5vw, 64px);
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-primary);
}

.footer-tag {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero {
    min-height: auto;
    padding-top: 100px;
    padding-bottom: 60px;
  }

  .hero-visual {
    order: -1;
  }

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

  .closing {
    padding: 72px clamp(24px, 5vw, 64px) 80px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .profit-card {
    padding: 22px 24px;
  }

  .nav-tagline {
    display: none;
  }
}