:root {
  color-scheme: light dark;
  --bg: #f5f5f7;
  --surface: #ffffff;
  --text: #1a1a22;
  --text-secondary: #6b6b7b;
  --border: #d1d1db;
  --accent: #c9a84c;
  --accent-hover: #b8943e;
  --max-width: 720px;
  --font: "Manrope", "Segoe UI", system-ui, -apple-system, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a0a0f;
    --surface: #141419;
    --text: #f5f5f7;
    --text-secondary: #888899;
    --border: #25252e;
    --accent: #d4a853;
    --accent-hover: #e8cd7a;
  }
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  text-decoration: underline;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.site-header-inner {
  max-width: calc(var(--max-width) + 48px);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 800;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand:hover {
  text-decoration: none;
}

.brand-logo {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  display: block;
}

.brand-name {
  font-weight: 800;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-links {
  display: flex;
  gap: 4px;
}

.nav-links a {
  padding: 6px 12px;
  border-radius: 999px;
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--text);
  background: color-mix(in srgb, var(--border) 60%, transparent);
  text-decoration: none;
}

.lang-switch {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
  background: var(--surface);
  flex-shrink: 0;
}

.lang-switch button {
  border: 0;
  background: transparent;
  color: var(--text-secondary);
  font: inherit;
  font-size: 0.8125rem;
  font-weight: 700;
  padding: 6px 12px;
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.lang-switch button[aria-pressed="true"] {
  background: var(--accent);
  color: #ffffff;
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 32px 24px 64px;
}

.page-title {
  margin: 0 0 8px;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.page-meta {
  margin: 0 0 28px;
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 20px;
}

.card h2 {
  margin: 0 0 12px;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
}

.card h3 {
  margin: 20px 0 8px;
  font-size: 1rem;
}

.card p,
.card li {
  color: var(--text);
}

.card p {
  margin: 0 0 12px;
}

.card ul,
.card ol {
  margin: 0 0 12px;
  padding-left: 1.25rem;
}

.card li {
  margin-bottom: 6px;
}

.contact-box {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 18px;
  border-radius: 12px;
  background: color-mix(in srgb, var(--accent) 8%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--accent) 24%, var(--border));
}

.contact-box strong {
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.faq-item + .faq-item {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.faq-item h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.site-footer {
  max-width: calc(var(--max-width) + 48px);
  margin: 0 auto;
  padding: 0 24px 40px;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  margin-bottom: 12px;
}

@media (max-width: 640px) {
  .site-header-inner {
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
    gap: 12px 12px;
    padding: 12px 16px;
  }

  /* Expone nav y lang-switch como hijos del grid */
  .header-actions {
    display: contents;
  }

  .brand {
    grid-column: 1;
    grid-row: 1;
    min-width: 0;
  }

  .lang-switch {
    grid-column: 2;
    grid-row: 1;
    justify-self: end;
  }

  .nav-links {
    grid-column: 1 / -1;
    grid-row: 2;
    width: 100%;
    flex-wrap: wrap;
    gap: 6px;
  }

  .nav-links a {
    padding: 8px 12px;
    min-height: 40px;
    display: inline-flex;
    align-items: center;
  }

  main {
    padding: 24px 16px 48px;
  }

  .site-footer {
    padding: 0 16px 32px;
  }
}