:root {
  --bg: #0a0a0f;
  --bg-surface: #12121a;
  --bg-card: #1a1a26;
  --fg: #e8e8ed;
  --fg-muted: #8888a0;
  --fg-dim: #555570;
  --accent: #c8ff00;
  --accent-dim: rgba(200, 255, 0, 0.12);
  --accent-glow: rgba(200, 255, 0, 0.06);
  --border: rgba(255, 255, 255, 0.06);
  --border-accent: rgba(200, 255, 0, 0.2);
  --radius: 12px;
  --radius-sm: 8px;
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  overflow-x: hidden;
}

/* ─── HERO ─── */
.hero {
  min-height: 85vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 24px 60px;
  max-width: 900px;
  margin: 0 auto;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  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;
  background: var(--accent-dim);
  color: var(--accent);
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 6px 16px;
  border-radius: 100px;
  border: 1px solid var(--border-accent);
  margin-bottom: 32px;
  width: fit-content;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 5.5vw, 3.8rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
  color: #fff;
}

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

.lede {
  font-size: 1.2rem;
  color: var(--fg-muted);
  max-width: 620px;
  line-height: 1.7;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 28px 32px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: fit-content;
}

.stat-number {
  display: block;
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
  line-height: 1;
}

.stat-label {
  display: block;
  font-size: 0.82rem;
  color: var(--fg-dim);
  margin-top: 6px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* ─── PROBLEM ─── */
.problem {
  padding: 100px 24px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.problem-inner {
  max-width: 900px;
  margin: 0 auto;
}

.problem-label,
.features-label {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent);
  margin-bottom: 16px;
}

.problem h2,
.features h2,
.categories h2,
.pricing h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: #fff;
  margin-bottom: 40px;
  max-width: 700px;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}

.problem-icon {
  font-size: 1.6rem;
  margin-bottom: 16px;
}

.problem-card p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ─── FEATURES ─── */
.features {
  padding: 100px 24px;
}

.features-inner {
  max-width: 900px;
  margin: 0 auto;
}

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

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

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

.feature-highlight {
  border-color: var(--border-accent);
  background: linear-gradient(135deg, var(--bg-surface) 0%, rgba(200, 255, 0, 0.03) 100%);
}

.feature-number {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 16px;
}

.feature-card h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--fg-muted);
  font-size: 0.93rem;
  line-height: 1.7;
}

/* ─── CATEGORIES ─── */
.categories {
  padding: 100px 24px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  text-align: center;
}

.categories-inner {
  max-width: 700px;
  margin: 0 auto;
}

.categories-sub {
  color: var(--fg-muted);
  margin-bottom: 40px;
  font-size: 1.05rem;
}

.categories-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.cat-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 12px 22px;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--fg);
  transition: border-color 0.2s, transform 0.2s;
}

.cat-pill.selected:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.cat-pill:not(.disabled):not(.selected):hover {
  border-color: var(--border-accent);
  transform: translateY(-2px);
}

.cat-dot {
  display: block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot-blue { background: #4488ff; }
.dot-purple { background: #a855f7; }
.dot-green { background: #22c55e; }
.dot-orange { background: #f97316; }
.dot-red { background: #ef4444; }
.dot-teal { background: #14b8a6; }
.dot-pink { background: #ec4899; }
.dot-yellow { background: #eab308; }

/* ─── CATEGORY SELECTION ─── */
.cat-selection-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 28px;
}

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

.cat-counter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #000;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 100px;
  min-width: 44px;
  transition: background 0.2s;
}

.cat-check {
  display: none;
  align-items: center;
  color: var(--accent);
}

.cat-pill .cat-dot {
  flex-shrink: 0;
}

.cat-pill .cat-text {
  font-size: 0.88rem;
}

.cat-pill.selected {
  border-color: var(--accent);
  background: rgba(200, 255, 0, 0.07);
}

.cat-pill.selected .cat-check {
  display: inline-flex;
}

.cat-pill.disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.cat-pill.disabled:hover {
  transform: none;
  border-color: var(--border);
}

.cat-pill.disabled .cat-check {
  display: none;
}

/* ─── PRICING ─── */
.pricing {
  padding: 100px 24px;
  text-align: center;
}

.pricing-inner {
  max-width: 900px;
  margin: 0 auto;
}

.pricing-label {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent);
  margin-bottom: 16px;
}

.pricing h2 {
  margin-bottom: 12px;
}

.pricing-sub {
  color: var(--fg-muted);
  margin-bottom: 48px;
  font-size: 1.05rem;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  text-align: left;
}

.pricing-card {
  position: relative;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 0;
  transition: border-color 0.3s, transform 0.2s;
}

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

.pricing-card-featured {
  border-color: var(--accent);
  background: linear-gradient(135deg, var(--bg-surface) 0%, rgba(200, 255, 0, 0.04) 100%);
}

.plan-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #0a0a0f;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 5px 14px;
  border-radius: 100px;
  white-space: nowrap;
}

.plan-name {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--fg-muted);
  margin-bottom: 16px;
}

.plan-price {
  font-family: var(--font-heading);
  font-size: 2.6rem;
  font-weight: 700;
  color: #fff;
  line-height: 1;
  margin-bottom: 6px;
}

.plan-price span {
  font-size: 1.4rem;
  font-weight: 600;
}

.plan-price-note {
  font-size: 0.82rem;
  color: var(--fg-dim);
  margin-bottom: 28px;
}

.plan-features {
  list-style: none;
  margin: 0 0 32px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.plan-features li {
  font-size: 0.93rem;
  color: var(--fg-muted);
  padding-left: 20px;
  position: relative;
}

.plan-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

.plan-btn {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  color: #0a0a0f;
  background: var(--accent);
  text-decoration: none;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  text-align: center;
  transition: opacity 0.2s, transform 0.15s;
}

.plan-btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.plan-btn-ghost {
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--border);
}

.plan-btn-ghost:hover {
  border-color: var(--border-accent);
  color: var(--accent);
}

/* ─── FOOTER ─── */
.site-footer {
  padding: 60px 24px;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-inner {
  max-width: 600px;
  margin: 0 auto;
}

.footer-logo {
  display: inline-block;
  margin-bottom: 16px;
}

.footer-logo img {
  height: 40px;
  width: auto;
  display: block;
  opacity: 0.8;
  transition: opacity 0.2s;
}

.footer-logo:hover img {
  opacity: 1;
}

.footer-tagline {
  color: var(--fg-dim);
  font-size: 0.9rem;
  margin-bottom: 20px;
}

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

/* ─── SITE HEADER ─── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 64px;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-logo img {
  height: 40px;
  width: auto;
  display: block;
}

.header-logo svg,
.header-logo img {
  height: 40px;
  width: auto;
  display: block;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.header-nav a {
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--fg-muted);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
}

.header-nav a:hover {
  color: var(--fg);
  background: var(--bg-card);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 600;
  color: #0a0a0f;
  background: var(--accent);
  text-decoration: none;
  padding: 8px 18px;
  border-radius: 8px;
  transition: opacity 0.2s, transform 0.15s;
}

.header-cta:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

/* Make body content account for fixed header */
body {
  padding-top: 64px;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 768px) {
  .hero {
    min-height: auto;
    padding: 60px 20px 40px;
  }

  .hero-stats {
    flex-direction: column;
    gap: 16px;
    align-items: flex-start;
    width: 100%;
  }

  .stat-divider {
    width: 100%;
    height: 1px;
  }

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

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

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

  .pricing-card-featured {
    order: -1;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.8rem;
  }

  .lede {
    font-size: 1rem;
  }

  .cat-pill {
    padding: 10px 16px;
    font-size: 0.82rem;
  }
}