:root {
  --bg: #051424;
  --bg-dim: #0d1c2d;
  --bg-card: #122131;
  --bg-card-high: #1c2b3c;
  --text: #d4e4fa;
  --text-muted: #bbc9cf;
  --text-dim: #859398;
  --primary: #3cd7ff;
  --primary-bright: #00d4ff;
  --success: #a9f900;
  --outline: rgba(255, 255, 255, 0.08);
  --glow-primary: rgba(60, 215, 255, 0.15);
  --glow-success: rgba(169, 249, 0, 0.12);
  --radius: 16px;
  --radius-sm: 12px;
  --max-width: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 20% -10%, rgba(60, 215, 255, 0.08), transparent),
    radial-gradient(ellipse 60% 40% at 80% 100%, rgba(169, 249, 0, 0.05), transparent);
  pointer-events: none;
  z-index: 0;
}

a {
  color: var(--primary);
  text-decoration: none;
}

.container {
  width: min(100% - 2.5rem, var(--max-width));
  margin-inline: auto;
  position: relative;
  z-index: 1;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(20px);
  background: rgba(5, 20, 36, 0.85);
  border-bottom: 1px solid var(--outline);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
}

.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary-bright), var(--success));
  display: grid;
  place-items: center;
  font-size: 1.1rem;
}

.nav {
  display: flex;
  gap: 0.25rem;
  flex-wrap: wrap;
}

.nav a {
  color: var(--text-muted);
  font-size: 0.875rem;
  padding: 0.5rem 0.875rem;
  border-radius: 999px;
  transition: color 0.2s, background 0.2s;
}

.nav a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: 1px solid rgba(169, 249, 0, 0.3);
  background: rgba(169, 249, 0, 0.08);
  color: var(--success);
}

/* Hero */
.hero {
  padding: 5rem 0 4rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-content h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.04em;
  margin-bottom: 1.25rem;
}

.hero-content h1 span {
  background: linear-gradient(135deg, var(--primary), var(--success));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-lead {
  font-size: 1.125rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  max-width: 520px;
}

.hero-stats {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--success);
  line-height: 1;
}

.stat-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-top: 0.35rem;
}

.hero-visual {
  display: flex;
  justify-content: center;
}

.phone-frame {
  width: min(100%, 280px);
  border-radius: 32px;
  padding: 10px;
  background: linear-gradient(160deg, #1c2b3c, #0d1c2d);
  border: 1px solid var(--outline);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.04),
    0 30px 60px rgba(0, 0, 0, 0.5),
    0 0 80px var(--glow-primary);
}

.phone-frame img {
  width: 100%;
  border-radius: 24px;
  display: block;
}

/* Sections */
section {
  padding: 4rem 0;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-desc {
  color: var(--text-muted);
  max-width: 640px;
  margin-bottom: 2.5rem;
}

/* Cards */
.card-grid {
  display: grid;
  gap: 1rem;
}

.card-grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.card-grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
  background: linear-gradient(160deg, var(--bg-card-high), var(--bg-card));
  border: 1px solid var(--outline);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.card:hover {
  border-color: rgba(60, 215, 255, 0.2);
  box-shadow: 0 0 30px var(--glow-primary);
}

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.card-icon.blue {
  background: rgba(60, 215, 255, 0.12);
}

.card-icon.green {
  background: rgba(169, 249, 0, 0.12);
}

.card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.card p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Lists */
.feature-list {
  list-style: none;
  display: grid;
  gap: 0.75rem;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--outline);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
}

.feature-list li::before {
  content: '✓';
  color: var(--success);
  font-weight: 700;
  flex-shrink: 0;
}

.feature-list.out li::before {
  content: '×';
  color: var(--text-dim);
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

/* Flow */
.flow {
  display: grid;
  gap: 1rem;
}

.flow-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.25rem;
  align-items: start;
  padding: 1.25rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--outline);
  border-radius: var(--radius);
}

.flow-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(60, 215, 255, 0.12);
  color: var(--primary);
  font-weight: 700;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.flow-step h4 {
  font-size: 1rem;
  margin-bottom: 0.35rem;
}

.flow-step p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Screens table */
.screens-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.screens-table th,
.screens-table td {
  padding: 0.875rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--outline);
}

.screens-table th {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-dim);
  background: var(--bg-card);
}

.screens-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

/* Design gallery */
.design-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}

.design-item {
  text-align: center;
}

.design-item .phone-frame {
  width: 100%;
  max-width: 220px;
  margin: 0 auto 1rem;
}

.design-item h4 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.design-item p {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* Color palette */
.palette {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.swatch {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.swatch-color {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--outline);
}

.swatch span {
  font-size: 0.7rem;
  color: var(--text-dim);
  font-family: monospace;
}

/* Tech stack */
.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tech-tag {
  padding: 0.5rem 1rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 500;
  background: var(--bg-card);
  border: 1px solid var(--outline);
}

/* Pricing */
.pricing {
  background: linear-gradient(160deg, var(--bg-card-high), var(--bg-card));
  border: 1px solid rgba(169, 249, 0, 0.2);
  border-radius: calc(var(--radius) + 4px);
  padding: 3rem;
  text-align: center;
  box-shadow: 0 0 60px var(--glow-success);
}

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  max-width: 560px;
  margin: 2rem auto 0;
}

.pricing-item {
  padding: 1.5rem;
  background: rgba(5, 20, 36, 0.5);
  border-radius: var(--radius);
  border: 1px solid var(--outline);
}

.pricing-value {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.pricing-item:first-child .pricing-value {
  color: var(--primary);
}

.pricing-item:last-child .pricing-value {
  color: var(--success);
}

.pricing-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.pricing-note {
  margin-top: 2rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  max-width: 480px;
  margin-inline: auto;
}

/* Footer */
.site-footer {
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--outline);
  text-align: center;
  color: var(--text-dim);
  font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 768px) {
  .hero-grid,
  .two-col,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 3rem;
  }

  .hero-visual {
    order: -1;
  }

  .nav {
    display: none;
  }

  .pricing {
    padding: 2rem 1.5rem;
  }
}