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

:root {
  --bg: #0F0F0F;
  --bg2: #171717;
  --bg3: #1F1F1F;
  --fg: #F5F5F0;
  --fg-muted: #999999;
  --lime: #B8FF00;
  --lime-dim: rgba(184, 255, 0, 0.12);
  --red: #FF4D4D;
  --green: #00D68F;
  --border: rgba(255,255,255,0.07);
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  line-height: 1.1;
}

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 48px;
  height: 64px;
  display: flex;
  align-items: center;
  background: rgba(15, 15, 15, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

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

.nav-logo {
  font-family: 'Sora', sans-serif;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  color: var(--lime);
}

.nav-badge {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-muted);
  background: var(--bg2);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 20px;
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 80px;
  padding: 120px 48px 80px;
  max-width: 1200px;
  margin: 0 auto;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--lime);
  margin-bottom: 28px;
}

.eyebrow-dot {
  width: 6px;
  height: 6px;
  background: var(--lime);
  border-radius: 50%;
  display: inline-block;
}

.hero-headline {
  font-size: clamp(2.8rem, 5vw, 4.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
  color: var(--fg);
}

.hero-headline .lime {
  color: var(--lime);
}

.hero-sub {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--fg-muted);
  max-width: 480px;
}

/* Product card stack */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.product-card-stack {
  position: relative;
  width: 320px;
  height: 320px;
}

.product-card {
  position: absolute;
  width: 240px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: transform 0.3s ease;
}

.card-1 { top: 0; left: 0; z-index: 3; transform: rotate(-4deg); }
.card-2 { top: 50px; left: 40px; z-index: 2; transform: rotate(2deg); }
.card-3 { top: 100px; left: 80px; z-index: 1; transform: rotate(-2deg); }

.card-tag {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--lime);
  background: var(--lime-dim);
  display: inline-block;
  padding: 3px 8px;
  border-radius: 4px;
  width: fit-content;
}

.card-price {
  font-family: 'Sora', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  color: var(--fg);
  letter-spacing: -0.02em;
}

.card-label {
  font-size: 0.8rem;
  color: var(--fg-muted);
  text-transform: capitalize;
}

/* ===== STATS ===== */
.stats {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 64px 48px;
}

.stats-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.stat-item {
  padding: 0 40px;
  border-right: 1px solid var(--border);
  text-align: left;
}

.stat-item:last-child { border-right: none; }
.stat-item:first-child { padding-left: 0; }

.stat-number {
  font-family: 'Sora', sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--lime);
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--fg-muted);
  line-height: 1.5;
  max-width: 160px;
}

/* ===== APPROACH ===== */
.approach {
  padding: 100px 48px;
  max-width: 1200px;
  margin: 0 auto;
}

.approach-header {
  margin-bottom: 64px;
}

.approach-header h2 {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.approach-sub {
  color: var(--fg-muted);
  font-size: 1rem;
}

.approach-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.approach-card {
  padding: 32px;
  border-radius: 16px;
  border: 1px solid var(--border);
}

.approach-card.fail {
  background: rgba(255, 77, 77, 0.04);
  border-color: rgba(255, 77, 77, 0.15);
}

.approach-card.succeed {
  background: rgba(0, 214, 143, 0.04);
  border-color: rgba(0, 214, 143, 0.15);
}

.approach-icon {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 16px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
}

.fail .approach-icon { background: rgba(255,77,77,0.15); color: var(--red); }
.succeed .approach-icon { background: rgba(0,214,143,0.15); color: var(--green); }

.approach-card h3 {
  font-size: 1.1rem;
  margin-bottom: 12px;
  font-weight: 700;
}

.approach-card p {
  color: var(--fg-muted);
  font-size: 0.9rem;
  line-height: 1.65;
}

/* ===== NICHES ===== */
.niches {
  background: var(--bg2);
  padding: 100px 48px;
}

.niches-header {
  max-width: 1200px;
  margin: 0 auto 56px;
}

.niches-header h2 {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.niches-sub {
  color: var(--fg-muted);
  font-size: 0.95rem;
}

.niches-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.niche-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color 0.2s;
}

.niche-card:hover {
  border-color: var(--lime);
}

.niche-icon {
  font-size: 1.8rem;
  line-height: 1;
}

.niche-card h3 {
  font-size: 1rem;
  font-weight: 700;
}

.niche-card p {
  color: var(--fg-muted);
  font-size: 0.82rem;
  line-height: 1.6;
  flex: 1;
}

.niche-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.meta-tag {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--lime);
  background: var(--lime-dim);
  padding: 3px 8px;
  border-radius: 4px;
}

/* ===== CLOSING ===== */
.closing {
  padding: 100px 48px;
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.closing-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 24px;
}

.closing-headline {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 32px;
}

.closing-headline .lime { color: var(--lime); }

.closing-body {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--fg-muted);
  max-width: 560px;
  margin: 0 auto 48px;
}

.cta-box {
  display: inline-block;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 32px;
  font-size: 0.85rem;
  color: var(--fg-muted);
  max-width: 480px;
  line-height: 1.5;
}

/* ===== FOOTER ===== */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 48px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer-logo {
  font-family: 'Sora', sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--lime);
  margin-right: 8px;
}

.footer-brand {
  display: flex;
  align-items: center;
}

.footer-tagline {
  font-size: 0.8rem;
  color: var(--fg-muted);
}

.footer-meta {
  font-size: 0.75rem;
  color: var(--fg-muted);
  letter-spacing: 0.03em;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .niches-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 32px 0; }
  .stat-item { border-right: none; border-bottom: 1px solid var(--border); padding: 0 0 24px; }
  .stat-item:nth-child(3), .stat-item:nth-child(4) { border-bottom: none; padding-bottom: 0; }
}

@media (max-width: 768px) {
  .hero { grid-template-columns: 1fr; padding: 100px 24px 60px; gap: 48px; }
  .hero-visual { display: none; }
  .approach-grid { grid-template-columns: 1fr; }
  .niches-grid { grid-template-columns: 1fr; }
  .stats { padding: 48px 24px; }
  .approach { padding: 64px 24px; }
  .niches { padding: 64px 24px; }
  .closing { padding: 64px 24px; }
  .footer { padding: 32px 24px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .navbar { padding: 0 24px; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-number { font-size: 1.8rem; }
}