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

:root {
  --bg: #0B1220;
  --bg-2: #111B2E;
  --fg: #F0F4FF;
  --fg-2: #8899BB;
  --accent: #FF6B35;
  --accent-dim: rgba(255, 107, 53, 0.12);
  --border: rgba(255, 107, 53, 0.15);
  --card: #0F1A2E;
  --font-head: 'Syne', sans-serif;
  --font-body: 'Outfit', sans-serif;
  --radius: 14px;
  --max-w: 1100px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ===== DOT GRID BG ===== */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,107,53,0.06) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
  z-index: 0;
}

/* ===== NAV ===== */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 40px;
  background: rgba(11, 18, 32, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-brand {
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.5px;
}

.nav-tag {
  font-size: 12px;
  color: var(--fg-2);
  font-weight: 400;
  letter-spacing: 0.5px;
}

/* ===== SECTION COMMON ===== */
section { position: relative; z-index: 1; }

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
}

.section-title {
  font-family: var(--font-head);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  line-height: 1.15;
  color: var(--fg);
  margin-bottom: 16px;
  letter-spacing: -1px;
}

.section-sub {
  font-size: 17px;
  color: var(--fg-2);
  max-width: 580px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ===== HERO ===== */
.hero {
  min-height: 88vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 80px 40px 80px;
  max-width: var(--max-w);
  margin: 0 auto;
  position: relative;
}

.hero-bg-glow {
  position: absolute;
  top: -100px;
  left: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255,107,53,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content { position: relative; }

.hero-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.hero-headline {
  font-family: var(--font-head);
  font-size: clamp(36px, 5.5vw, 64px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -2px;
  color: var(--fg);
  margin-bottom: 24px;
}

.hero-accent { color: var(--accent); }

.hero-sub {
  font-size: 17px;
  color: var(--fg-2);
  line-height: 1.75;
  margin-bottom: 36px;
  max-width: 480px;
}

.hero-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 24px;
}

.hero-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--fg-2);
}

.hero-icon {
  color: var(--accent);
  font-size: 10px;
  flex-shrink: 0;
}

/* ===== HERO VISUAL ===== */
.hero-visual { display: flex; align-items: center; justify-content: center; }

.hero-card-stack { position: relative; width: 280px; height: 320px; }

.hero-card {
  position: absolute;
  width: 240px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4), 0 0 40px rgba(255,107,53,0.05);
}

.card-1 { top: 0; left: 0; transform: rotate(-3deg); z-index: 3; }
.card-2 { top: 70px; left: 40px; transform: rotate(2deg); z-index: 2; }
.card-3 { top: 140px; left: 0; transform: rotate(-1deg); z-index: 1; }

.card-icon { font-size: 28px; margin-bottom: 4px; }
.card-label { font-size: 10px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--accent); font-weight: 600; }
.card-name { font-family: var(--font-head); font-size: 16px; font-weight: 700; color: var(--fg); }
.card-price { font-size: 14px; color: var(--fg-2); margin-top: 4px; }

/* ===== STATS ===== */
.stats {
  padding: 48px 40px;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

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

.stat-item {
  text-align: center;
  padding: 0 32px;
  border-right: 1px solid var(--border);
}

.stat-item:last-child { border-right: none; }

.stat-number {
  font-family: var(--font-head);
  font-size: 40px;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -2px;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 13px;
  color: var(--fg-2);
  font-weight: 400;
}

/* ===== HOW IT WORKS ===== */
.how { padding: 96px 40px; max-width: var(--max-w); margin: 0 auto; }

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.step { display: flex; flex-direction: column; gap: 14px; }

.step-number {
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 1px;
}

.step-icon { width: 40px; }

.step-title {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  color: var(--fg);
}

.step-desc {
  font-size: 14px;
  color: var(--fg-2);
  line-height: 1.65;
}

/* ===== PRODUCTS ===== */
.products { padding: 96px 40px; background: var(--bg-2); }

.products-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.product-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.3), 0 0 30px rgba(255,107,53,0.06);
}

.product-badge {
  position: absolute;
  top: -1px;
  right: 16px;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--bg);
  background: var(--accent);
  padding: 3px 8px;
  border-radius: 0 0 8px 8px;
}

.product-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 90px;
}

.product-name {
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  color: var(--fg);
  line-height: 1.3;
}

.product-desc { font-size: 12px; color: var(--fg-2); line-height: 1.5; }

.product-pricing {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

.product-cost { font-size: 13px; color: var(--fg-2); }
.product-arrow { font-size: 14px; color: var(--accent); font-weight: 600; }
.product-price { font-size: 18px; color: var(--fg); font-weight: 700; font-family: var(--font-head); }

/* ===== SUPPLIERS ===== */
.suppliers { padding: 96px 40px; max-width: var(--max-w); margin: 0 auto; }

.suppliers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 800px;
  margin: 0 auto 32px;
}

.supplier-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: relative;
}

.supplier-logo {
  width: 44px;
  height: 44px;
  background: var(--accent-dim);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 8px;
}

.supplier-name {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  color: var(--fg);
}

.supplier-detail { font-size: 13px; color: var(--fg-2); }

.supplier-tag {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 3px 8px;
  border-radius: 4px;
}

.supply-note {
  text-align: center;
  font-size: 13px;
  color: var(--fg-2);
  max-width: 480px;
  margin: 0 auto;
  padding: 16px;
  background: var(--accent-dim);
  border: 1px solid var(--border);
  border-radius: 10px;
}

/* ===== CLOSING ===== */
.closing {
  padding: 120px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.closing-glow {
  position: absolute;
  bottom: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(255,107,53,0.1) 0%, transparent 70%);
  pointer-events: none;
}

.closing-content { position: relative; max-width: 680px; margin: 0 auto; }

.closing-headline {
  font-family: var(--font-head);
  font-size: clamp(30px, 5vw, 56px);
  font-weight: 800;
  line-height: 1.1;
  color: var(--fg);
  letter-spacing: -1.5px;
  margin-bottom: 24px;
}

.closing-sub {
  font-size: 17px;
  color: var(--fg-2);
  line-height: 1.8;
  margin-bottom: 48px;
}

.cta-text {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.5px;
}

/* ===== FOOTER ===== */
.footer {
  padding: 40px;
  border-top: 1px solid var(--border);
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 800;
  color: var(--accent);
}

.footer-tag { font-size: 13px; color: var(--fg-2); }
.footer-meta { font-size: 12px; color: rgba(136,153,187,0.5); margin-top: 8px; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding: 60px 24px; }
  .hero-visual { display: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .stat-item { border-right: none; border-bottom: 1px solid var(--border); padding-bottom: 24px; }
  .stat-item:nth-child(3), .stat-item:nth-child(4) { border-bottom: none; }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .how, .products, .suppliers, .closing { padding: 64px 24px; }
  .nav { padding: 16px 24px; }
}

@media (max-width: 600px) {
  .hero-features { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .suppliers-grid { grid-template-columns: 1fr; }
}