/* BG Academic LLC — corporate static site */

:root {
  --paper: #F6F7F5;
  --ink: #14181A;
  --muted: #5F6866;
  --line: #D9DEDA;
  --accent: #1F5D50;
  --max-width: 760px;
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

h1, h2, h3 {
  font-family: "Bricolage Grotesque", "IBM Plex Sans", sans-serif;
  font-weight: 700;
  line-height: 1.2;
  color: var(--ink);
  margin: 0 0 0.5em;
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.5rem; margin-top: 2.5em; }
h3 { font-size: 1.125rem; margin-top: 1.75em; }

p {
  margin: 0 0 1em;
}

a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

a:hover {
  text-decoration-thickness: 2px;
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

ul, ol {
  padding-left: 1.25em;
  margin: 0 0 1em;
}

li {
  margin-bottom: 0.4em;
}

.mono {
  font-family: "JetBrains Mono", ui-monospace, Menlo, monospace;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */

.site-header {
  border-bottom: 1px solid var(--line);
  padding: 28px 0;
}

.site-header .wrap {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.brand {
  font-family: "Bricolage Grotesque", sans-serif;
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
}

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

.header-right {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.site-nav {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.site-nav a {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--accent);
}

/* Language switch */

.lang-switch {
  display: flex;
  align-items: center;
  gap: 2px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8rem;
}

.lang-switch button {
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px 6px;
  color: var(--muted);
  font-family: inherit;
  font-size: inherit;
  letter-spacing: 0.04em;
}

.lang-switch button:hover {
  color: var(--accent);
}

html[lang="es"] .lang-switch button[data-set-lang="es"],
html[lang="en"] .lang-switch button[data-set-lang="en"] {
  color: var(--accent);
  font-weight: 600;
}

.lang-switch .divider {
  color: var(--line);
}

/* Bilingual content toggling */

html[lang="es"] [data-lang="en"] {
  display: none;
}

html[lang="en"] [data-lang="es"] {
  display: none;
}

/* Main content */

main {
  padding: 56px 0 72px;
}

.eyebrow {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin: 0 0 1em;
}

.lede {
  font-size: 1.125rem;
  color: var(--muted);
}

.updated {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: -0.5em;
}

/* Registry block */

.registry {
  border: 1px solid var(--line);
  background: #FFFFFF;
  padding: 4px 24px;
  margin: 2.5em 0;
}

.registry-title {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  padding: 16px 0 12px;
}

.registry dl {
  margin: 0;
}

.registry-row {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 16px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.registry-row dt {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.registry-row dd {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.9rem;
  color: var(--ink);
  margin: 0;
  word-break: break-word;
}

/* Products */

.product-card {
  border: 1px solid var(--line);
  padding: 24px;
  margin-top: 1.5em;
}

.product-card h3 {
  margin-top: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.badge {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 3px 8px;
  border-radius: 2px;
}

.product-platforms {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 1em;
}

/* FAQ */

.faq-item {
  border-top: 1px solid var(--line);
  padding: 20px 0;
}

.faq-item:last-child {
  border-bottom: 1px solid var(--line);
}

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

.faq-item p {
  color: var(--muted);
  margin-bottom: 0;
}

/* Contact block */

.contact-block {
  border: 1px solid var(--line);
  padding: 24px;
  margin-top: 2em;
}

.contact-block .mono {
  font-size: 1rem;
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 0 40px;
}

.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
}

.site-footer p {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.75rem;
  color: var(--muted);
  margin: 0;
}

.site-footer nav {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.site-footer a {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.75rem;
  color: var(--muted);
}

/* Responsive down to 360px */

@media (max-width: 480px) {
  h1 { font-size: 1.75rem; }

  .wrap { padding: 0 16px; }

  .registry { padding: 4px 16px; }

  .registry-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .site-header .wrap,
  .site-footer .wrap {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}