/* =========================================
   DESIGN TOKENS & PALETTE
   ========================================= */
:root {
  --bg: #000000;
  --surface: #0e0e11;
  --surface-hover: #18181f;
  --border: rgba(255, 255, 255, 0.08);
  --text: #f3f3f5;
  --text-muted: #8e8e93;
  --accent: #00a2ff;
  --accent-glow: rgba(0, 162, 255, 0.12);
  --radius: 12px;
  --font-main:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

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

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-main);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.bg-grid {
  position: fixed;
  inset: 0;
  background-image: radial-gradient(
    circle at 50% 20%,
    var(--accent-glow),
    transparent 60%
  );
  pointer-events: none;
  z-index: 0;
}

.container {
  width: 100%;
  max-width: 1080px;
  padding: 60px 24px;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 50px;
}

/* HERO SECTION */
.hero {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 4px 12px;
  border-radius: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--accent);
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 680px;
  line-height: 1.5;
}

.cta-group {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 10px;
}

.btn {
  text-decoration: none;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  transition:
    transform 0.15s ease,
    opacity 0.15s ease,
    border-color 0.15s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--text);
  color: var(--bg);
}

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--text-muted);
}

.secondary-actions {
  font-size: 0.825rem;
  color: var(--text-muted);
  display: flex;
  gap: 8px;
  align-items: center;
}

.secondary-actions a {
  color: var(--text);
  text-decoration: none;
}

.secondary-actions a:hover {
  color: var(--accent);
}

/* TRUST BLOCK */
.trust-block {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
}

.trust-pill {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 16px;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.trust-pill svg {
  color: var(--accent);
}

/* ACCORDIONS SECTION */
.features-accordion-group {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.feature-accordion {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.feature-accordion[open] {
  border-color: rgba(56, 237, 246, 0.3);
}

summary {
  padding: 16px 20px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
  transition: background-color 0.15s ease;
}

summary::-webkit-details-marker {
  display: none;
}

summary:hover {
  background: var(--surface-hover);
}

.summary-left {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.05rem;
  color: var(--text);
}

.feature-icon {
  color: var(--accent);
}

.chevron {
  color: var(--text-muted);
  transition: transform 0.2s ease;
}

.feature-accordion[open] summary .chevron {
  transform: rotate(180deg);
}

.accordion-content {
  padding: 0 20px 20px 20px;
  border-top: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.15);
}

/* FEATURE TABLES */
.feature-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
  font-size: 0.875rem;
}

.feature-table th {
  text-align: left;
  padding: 10px 12px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
}

.feature-table td {
  padding: 12px;
  color: var(--text-muted);
  line-height: 1.5;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.feature-table tr:last-child td {
  border-bottom: none;
}

.feature-table td strong {
  color: var(--text);
}

code {
  font-family: var(--font-mono);
  background: rgba(56, 237, 246, 0.1);
  color: var(--accent);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid rgba(56, 237, 246, 0.2);
}

/* SPECS SECTION */
.specs-section {
  border-top: 1px solid var(--border);
  padding-top: 40px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.specs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.spec-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.spec-label {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  text-transform: uppercase;
}

.spec-value {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}

/* FOOTER */
.footer {
  border-top: 1px solid var(--border);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 16px;
}

.footer-title {
  font-weight: 700;
  color: var(--text);
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.15s ease;
}

.footer-links a:hover {
  color: var(--accent);
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }
  .feature-table th:first-child,
  .feature-table td:first-child {
    width: 35%;
  }
  .footer {
    flex-direction: column;
    align-items: flex-start;
  }
}