/* Base */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  color: #0f172a;
  background-color: #0b1120;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

/* Layout */

.container {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(15, 23, 42, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.3);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: linear-gradient(135deg, #22d3ee, #818cf8);
  color: #0b1120;
  font-weight: 700;
  font-size: 0.875rem;
}

.logo-text {
  font-weight: 600;
  font-size: 0.95rem;
  color: #e5e7eb;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.nav a {
  font-size: 0.9rem;
  color: #cbd5f5;
  padding: 0.25rem 0.5rem;
  border-radius: 999px;
  transition: background-color 0.16s ease, color 0.16s ease;
}

.nav a:hover {
  background-color: rgba(148, 163, 184, 0.16);
  color: #ffffff;
}

/* Hero */

.hero {
  padding: 3rem 0 2.5rem;
  background: radial-gradient(circle at top left, #1f2937, #020617 55%);
  color: #e5e7eb;
}

.hero h1 {
  font-size: 2rem;
  line-height: 1.2;
  margin-bottom: 1.25rem;
}

.tldr {
  font-size: 0.98rem;
  max-width: 52rem;
  color: #cbd5f5;
  margin-bottom: 1.5rem;
}

.disclaimer {
  margin-top: 1rem;
  font-size: 0.8rem;
  color: #9ca3af;
  max-width: 42rem;
}

/* Sections */

.section {
  padding: 2.75rem 0;
  background-color: #020617;
  color: #e5e7eb;
  border-top: 1px solid rgba(30, 64, 175, 0.5);
}

.section:nth-of-type(even) {
  background: radial-gradient(circle at top right, #020617, #020617 45%, #020617 70%);
}

.section h2 {
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
  color: #f9fafb;
}

.section h3 {
  font-size: 1.05rem;
  margin: 1.75rem 0 0.75rem;
  color: #e5e7eb;
}

.section p {
  font-size: 0.96rem;
  color: #cbd5f5;
  margin-bottom: 0.8rem;
}

.section ul,
.section ol {
  margin: 0.5rem 0 1.25rem 1.25rem;
  padding-left: 1rem;
  font-size: 0.95rem;
  color: #e5e7eb;
}

.section ul li {
  margin-bottom: 0.3rem;
}

.section ol li {
  margin-bottom: 0.45rem;
}

/* Table */

.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0 1.5rem;
  font-size: 0.9rem;
  background-color: rgba(15, 23, 42, 0.9);
  border-radius: 0.75rem;
  overflow: hidden;
}

.data-table thead {
  background: linear-gradient(135deg, #1d4ed8, #22c55e);
}

.data-table th,
.data-table td {
  padding: 0.7rem 0.75rem;
  text-align: left;
  vertical-align: top;
}

.data-table th {
  font-weight: 600;
  font-size: 0.9rem;
  color: #f9fafb;
}

.data-table tbody tr:nth-child(even) {
  background-color: rgba(15, 23, 42, 0.9);
}

.data-table tbody tr:nth-child(odd) {
  background-color: rgba(15, 23, 42, 0.75);
}

.data-table td {
  color: #e5e7eb;
}

/* CTA buttons */

.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.4rem;
  border-radius: 999px;
  border: 1px solid transparent;
  background: linear-gradient(135deg, #22c55e, #22d3ee);
  color: #022c22;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  cursor: pointer;
  box-shadow: 0 12px 30px rgba(16, 185, 129, 0.3);
  transition: transform 0.12s ease, box-shadow 0.12s ease, filter 0.12s ease;
}

.cta-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 40px rgba(34, 211, 238, 0.35);
  filter: brightness(1.02);
}

.cta-secondary {
  margin-top: 0.75rem;
}

.cta-tertiary {
  margin-top: 1rem;
}

/* FAQ */

.section-faq .faq-item {
  border-radius: 0.75rem;
  border: 1px solid rgba(148, 163, 184, 0.3);
  padding: 0.9rem 1rem;
  margin-bottom: 0.85rem;
  background: rgba(15, 23, 42, 0.9);
}

.section-faq h3 {
  margin-top: 0;
  margin-bottom: 0.4rem;
  font-size: 1rem;
}

.section-faq p {
  margin-bottom: 0;
}

/* Footer */

.site-footer {
  border-top: 1px solid rgba(148, 163, 184, 0.4);
  background-color: #020617;
  padding: 1.75rem 0 1.5rem;
  color: #9ca3af;
  font-size: 0.85rem;
}

.footer-logo {
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: #e5e7eb;
}

.footer-text {
  max-width: 40rem;
  margin-bottom: 0.4rem;
}

.footer-meta {
  font-size: 0.8rem;
  color: #6b7280;
}

/* Responsive */

@media (max-width: 720px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .hero {
    padding-top: 2.25rem;
  }

  .hero h1 {
    font-size: 1.5rem;
  }

  .nav {
    justify-content: flex-start;
    max-width: 100%;
    overflow-x: auto;
  }

  .data-table th,
  .data-table td {
    padding: 0.55rem 0.6rem;
  }
}
