/* Lightweight, readable static styling (no preprocessors). */

:root {
  --bg: #fbfbfc;
  --panel: #ffffff;
  --panel-2: #f6f7fb;
  --text: #111827;
  --muted: #4b5563;
  --border: rgba(17, 24, 39, 0.12);
  --shadow: 0 10px 24px rgba(17, 24, 39, 0.08);
  --accent: #5b21b6;
  --accent-2: #0f766e;

  --radius: 16px;
  --radius-sm: 12px;
  --maxw: 960px;

  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica,
    Arial, "Apple Color Emoji", "Segoe UI Emoji";
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: var(--sans);
  line-height: 1.65;
  color: var(--text);
  background: radial-gradient(900px 500px at 20% 0%, rgba(91, 33, 182, 0.08), transparent 60%),
    radial-gradient(900px 500px at 85% 10%, rgba(15, 118, 110, 0.07), transparent 60%),
    var(--bg);
}

a {
  color: inherit;
}

.i18n {
  display: none;
}

body.lang-en .i18n.en {
  display: inline;
}
body.lang-fr .i18n.fr {
  display: inline;
}

.container {
  width: min(var(--maxw), calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
  background: rgba(251, 251, 252, 0.82);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  text-decoration: none;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(91, 33, 182, 0.95), rgba(15, 118, 110, 0.85));
  color: #fff;
  font-weight: 700;
  letter-spacing: 0.02em;
  box-shadow: var(--shadow);
  flex: 0 0 auto;
}

.brand-text {
  min-width: 0;
}

.brand-title {
  font-weight: 650;
  letter-spacing: -0.02em;
}

.brand-subtitle {
  color: var(--muted);
  font-size: 0.92rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 56vw;
}

.lang-switch {
  display: inline-flex;
  padding: 4px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(17, 24, 39, 0.03);
  gap: 6px;
}

.lang-btn {
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 7px 10px;
  border-radius: 999px;
  font: inherit;
  cursor: pointer;
  transition: background 160ms ease, color 160ms ease, transform 160ms ease;
  user-select: none;
}

.lang-btn[aria-pressed="true"] {
  color: var(--text);
  background: rgba(17, 24, 39, 0.06);
}

.lang-btn:active {
  transform: translateY(1px);
}

.hero {
  padding: 44px 0 22px;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 4.2vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.lead {
  margin: 12px 0 0;
  max-width: 70ch;
  color: var(--muted);
  font-size: 1.05rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 18px;
  padding-bottom: 46px;
}

.card {
  grid-column: span 6;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--panel);
  box-shadow: var(--shadow);
  padding: 18px 18px 16px;
}

.card h2 {
  margin: 2px 0 10px;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

.card p {
  margin: 0 0 12px;
  color: var(--muted);
}

.card-cta {
  margin: 14px 0 0;
}

.cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  text-decoration: none;
  color: var(--text);
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.cta:hover {
  background: rgba(91, 33, 182, 0.06);
  border-color: rgba(91, 33, 182, 0.22);
}

.cta:active {
  transform: translateY(1px);
}

.subhero {
  padding: 24px 0 18px;
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 10px;
  color: rgba(17, 24, 39, 0.55);
  font-size: 0.95rem;
}

.breadcrumbs a {
  text-decoration: none;
  color: rgba(17, 24, 39, 0.75);
}

.breadcrumbs a:hover {
  text-decoration: underline;
}

.prose {
  padding-bottom: 44px;
}

.prose .card {
  grid-column: 1 / -1;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: rgba(17, 24, 39, 0.62);
  margin: 8px 0 0;
}

.pill {
  display: inline-flex;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(17, 24, 39, 0.04);
  font-size: 0.85rem;
}

.bullets {
  margin: 0;
  padding-left: 18px;
  color: rgba(17, 24, 39, 0.82);
}

.bullets li {
  margin: 8px 0;
}

.site-footer {
  border-top: 1px solid var(--border);
  background: rgba(17, 24, 39, 0.02);
}

.footer-inner {
  padding: 18px 0;
}

.fineprint {
  margin: 0;
  color: rgba(17, 24, 39, 0.55);
  font-size: 0.92rem;
}

@media (max-width: 900px) {
  .card {
    grid-column: 1 / -1;
  }
  .brand-subtitle {
    max-width: 60vw;
  }
}

@media (prefers-reduced-motion: reduce) {
  .lang-btn {
    transition: none;
  }
}