:root {
  --bg: #0a0a0a;
  --bg-elevated: #141414;
  --bg-card: #1a1a1a;
  --fg: #f0ede6;
  --fg-muted: #8a8680;
  --accent: #c8ff00;
  --accent-dim: rgba(200, 255, 0, 0.12);
  --accent-glow: rgba(200, 255, 0, 0.25);
  --border: rgba(255, 255, 255, 0.06);
  --font-display: 'Syne', sans-serif;
  --font-body: 'Space Grotesk', sans-serif;
  --max-width: 1140px;
  --section-pad: clamp(4rem, 10vw, 8rem);
}

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

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

/* ─── HERO ─── */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: var(--section-pad) clamp(1.5rem, 5vw, 4rem);
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
}

.hero::after {
  content: '';
  position: absolute;
  top: 20%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero > * { position: relative; z-index: 1; }

.hero-badge {
  display: inline-block;
  padding: 0.4rem 1rem;
  border: 1px solid var(--accent);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 2rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 6.5rem);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero h1 .accent {
  color: var(--accent);
  display: block;
}

.lede {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--fg-muted);
  max-width: 580px;
  line-height: 1.7;
  margin-bottom: 3rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  width: 100%;
  max-width: 600px;
}

.hero-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem 1rem;
  text-align: center;
  transition: border-color 0.3s;
}

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

.hero-card-icon {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.hero-card span {
  font-size: 0.8rem;
  color: var(--fg-muted);
  font-weight: 500;
}

/* ─── HOW ─── */
.how {
  padding: var(--section-pad) clamp(1.5rem, 5vw, 4rem);
  max-width: var(--max-width);
  margin: 0 auto;
}

.how h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: 3rem;
  letter-spacing: -0.02em;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.step {
  padding: 2rem;
  background: var(--bg-elevated);
  border-radius: 16px;
  border: 1px solid var(--border);
  position: relative;
}

.step-num {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  color: var(--accent);
  opacity: 0.4;
  line-height: 1;
  margin-bottom: 1rem;
}

.step h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.step p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ─── PRODUCTS ─── */
.products {
  padding: var(--section-pad) clamp(1.5rem, 5vw, 4rem);
  max-width: var(--max-width);
  margin: 0 auto;
}

.products h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.products-sub {
  color: var(--fg-muted);
  font-size: 1.1rem;
  margin-bottom: 3rem;
}

.product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 1.25rem;
}

.product-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2.5rem 2rem;
  transition: border-color 0.3s, transform 0.3s;
}

.product-item:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.product-large {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(200, 255, 0, 0.04) 100%);
  border-color: rgba(200, 255, 0, 0.15);
}

.product-label {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.product-desc {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  max-width: 480px;
}

/* ─── WHY ─── */
.why {
  padding: var(--section-pad) clamp(1.5rem, 5vw, 4rem);
}

.why-content {
  max-width: var(--max-width);
  margin: 0 auto;
}

.why h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 3rem;
  max-width: 600px;
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.why-item {
  padding: 2rem;
  border-left: 2px solid var(--accent);
}

.why-item h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.why-item p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ─── CLOSING ─── */
.closing {
  padding: var(--section-pad) clamp(1.5rem, 5vw, 4rem);
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.closing p {
  color: var(--fg-muted);
  font-size: 1.1rem;
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ─── FOOTER ─── */
.site-footer {
  padding: 3rem clamp(1.5rem, 5vw, 4rem);
  border-top: 1px solid var(--border);
}

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

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
}

.footer-tagline {
  color: var(--fg-muted);
  font-size: 0.85rem;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 768px) {
  .hero-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps {
    grid-template-columns: 1fr;
  }
  .product-grid {
    grid-template-columns: 1fr;
  }
  .product-large {
    grid-column: 1;
  }
  .why-grid {
    grid-template-columns: 1fr;
  }
  .footer-inner {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
}

/* ─── HERO CTA BUTTON ─── */
.hero-cta-btn {
  display: inline-block;
  padding: 1rem 2.25rem;
  background: var(--accent);
  color: #0a0a0a;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  border-radius: 12px;
  text-decoration: none;
  letter-spacing: -0.01em;
  transition: opacity 0.2s, transform 0.15s;
}
.hero-cta-btn:hover { opacity: 0.9; transform: translateY(-2px); }

@media (max-width: 480px) {
  .hero {
    min-height: 80vh;
  }
  .hero h1 {
    font-size: 2.5rem;
  }
}