/* Gitrust.eu — landing mobile-first, derivee de Saaslys-web (no CDN, no JS framework) */

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

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

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.5;
  color: #2b2b3c;
  background: #fbf6ee;
  min-height: 100vh;
  position: relative;
}

/* Fond radial clair : accents rouille / ambre / teal, tres diffus */
body::before {
  content: "";
  position: fixed;
  inset: -30%;
  z-index: -2;
  background:
    radial-gradient(ellipse 120% 90% at 12% 12%, rgba(240, 150, 40, 0.35), transparent 55%),
    radial-gradient(ellipse 95% 110% at 88% 18%, rgba(255, 200, 120, 0.45), transparent 60%),
    radial-gradient(ellipse 100% 80% at 50% 80%, rgba(183, 65, 14, 0.18), transparent 60%),
    radial-gradient(ellipse 80% 100% at 78% 85%, rgba(80, 180, 180, 0.22), transparent 55%),
    radial-gradient(ellipse 70% 90% at 5% 60%, rgba(255, 220, 150, 0.40), transparent 55%);
  filter: blur(60px);
  pointer-events: none;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background: linear-gradient(
    180deg,
    rgba(255, 250, 240, 0.35) 0%,
    rgba(255, 250, 240, 0.10) 40%,
    rgba(255, 250, 240, 0.15) 70%,
    rgba(255, 250, 240, 0.45) 100%
  );
  pointer-events: none;
}

.skip-link {
  position: absolute;
  top: -2.5rem;
  left: 0.5rem;
  padding: 0.5rem 1rem;
  background: #b7410e;
  color: #fff;
  text-decoration: none;
  z-index: 100;
  transition: top 0.2s;
}
.skip-link:focus { top: 0.5rem; outline: 2px solid currentColor; outline-offset: 2px; }

:focus-visible { outline: 2px solid currentColor; outline-offset: 2px; }

.container {
  width: 100%;
  max-width: 72rem;
  margin-inline: auto;
  padding-inline: 1rem;
}

nav a, button, [role="button"], .hero .cta a, .cta-block a, .lang-switcher a {
  min-height: 44px;
  min-width: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
}

h1, h2, h3 { line-height: 1.2; margin-top: 0; }
h1 { font-size: 1.85rem; }
h2 { font-size: 1.4rem; }
h3 { font-size: 1.15rem; }

header, main, footer { padding-block: 1rem; }

@media (min-width: 768px) {
  h1 { font-size: 2.5rem; }
  h2 { font-size: 1.75rem; }
  .container { padding-inline: 1.5rem; }
}

@media (min-width: 1024px) {
  h1 { font-size: 3rem; }
  .container { padding-inline: 2rem; }
}

/* --- Header + wordmark --- */
header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid rgba(43,43,60,0.12);
}

header a { color: #2b2b3c; text-decoration: none; }
header a:hover { color: #000; }

.wordmark {
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #2b2b3c;
  display: inline-flex;
  align-items: baseline;
  gap: 0;
}
.wordmark .rust {
  color: #b7410e;
}

.logo {
  display: block;
  height: 48px;
  width: auto;
}
@media (min-width: 768px) {
  .logo { height: 56px; }
}

.lang-switcher {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  font-size: 0.85rem;
}
.lang-switcher a {
  padding: 0.25rem 0.5rem;
  min-height: 32px;
  min-width: 32px;
  border-radius: 0.25rem;
  text-transform: uppercase;
  font-weight: 600;
  color: rgba(43,43,60,0.75);
  border: 1px solid rgba(43,43,60,0.15);
  background: rgba(255,255,255,0.5);
}
.lang-switcher a:hover { color: #2b2b3c; border-color: rgba(43,43,60,0.4); background: rgba(255,255,255,0.8); }
.lang-switcher a[aria-current="true"] {
  color: #fff;
  background: #b7410e;
  border-color: #b7410e;
}

/* --- Hero --- */
.hero { padding-block: 2rem; }
.hero h1 { margin-bottom: 0.75rem; }
.hero .lead { font-size: 1.15rem; margin-bottom: 1rem; max-width: 48rem; color: #3a3a4a; }

.hero .baseline {
  background: rgba(255,255,255,0.65);
  padding: 1rem 1.25rem;
  border-radius: 0.5rem;
  margin: 1.25rem 0;
  border-left: 3px solid #b7410e;
  max-width: 48rem;
  box-shadow: 0 2px 10px rgba(43,43,60,0.06);
}
.hero .baseline p { margin: 0.35rem 0; }

.hero .cta { margin-top: 1.75rem; display: flex; flex-wrap: wrap; gap: 1rem; }
.hero .cta a {
  padding: 0.85rem 1.5rem;
  background: #b7410e;
  color: #fff;
  text-decoration: none;
  border-radius: 0.35rem;
  font-weight: 600;
  font-size: 1.05rem;
  box-shadow: 0 4px 14px rgba(183, 65, 14, 0.30);
  transition: background 0.15s, transform 0.15s;
}
.hero .cta a:hover { background: #d4501a; transform: translateY(-1px); }

/* --- Features grid --- */
.features {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  padding-block: 2rem;
}
@media (min-width: 640px) {
  .features { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 960px) {
  .features { grid-template-columns: repeat(3, 1fr); }
}

.feature {
  background: rgba(255,255,255,0.70);
  border: 1px solid rgba(43,43,60,0.08);
  border-radius: 0.5rem;
  padding: 1.25rem;
  box-shadow: 0 2px 12px rgba(43,43,60,0.05);
  transition: transform 0.15s, box-shadow 0.15s;
}
.feature:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(43,43,60,0.10); }
.feature h3 {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
  color: #b7410e;
}
.feature p { margin: 0; font-size: 0.95rem; color: #3a3a4a; }

/* --- Stack block --- */
.tech-stack {
  background: rgba(255,255,255,0.55);
  border: 1px solid rgba(43,43,60,0.08);
  border-radius: 0.5rem;
  padding: 1.5rem;
  margin-block: 2rem;
  box-shadow: 0 2px 10px rgba(43,43,60,0.05);
}
.tech-stack h2 { margin-bottom: 0.75rem; color: #2b2b3c; }
.tech-stack p { color: #3a3a4a; margin: 0; }
.tech-stack code {
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;
  background: rgba(183,65,14,0.10);
  padding: 0.1rem 0.4rem;
  border-radius: 0.2rem;
  font-size: 0.9em;
  color: #b7410e;
}

/* --- Footer --- */
footer {
  border-top: 1px solid rgba(43,43,60,0.12);
  margin-top: 2.5rem;
  font-size: 0.9rem;
  color: #4a4a5c;
  text-align: center;
}
footer a { color: #b7410e; text-decoration: none; }
footer a:hover { color: #d4501a; text-decoration: underline; }

/* --- Redirect page (root index.html) --- */
.redirect {
  max-width: 28rem;
  margin: 20vh auto 0;
  text-align: center;
  padding: 2rem 1rem;
}
.redirect ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-top: 1.5rem;
}
.redirect ul a {
  padding: 0.5rem 1rem;
  background: rgba(255,255,255,0.7);
  border: 1px solid rgba(43,43,60,0.15);
  border-radius: 0.35rem;
  color: #2b2b3c;
  text-decoration: none;
  font-weight: 600;
}
.redirect ul a:hover { background: #b7410e; color: #fff; border-color: #b7410e; }

/* --- Main nav (Accueil / Fonctionnalites) --- */
.main-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  font-size: 0.95rem;
  flex: 1;
  justify-content: center;
}
.main-nav a {
  padding: 0.5rem 0.9rem;
  border-radius: 0.35rem;
  color: rgba(43,43,60,0.80);
  text-decoration: none;
  font-weight: 600;
  transition: background 0.15s, color 0.15s;
}
.main-nav a:hover { background: rgba(183,65,14,0.08); color: #b7410e; }
.main-nav a[aria-current="page"] {
  color: #b7410e;
  background: rgba(183,65,14,0.12);
  box-shadow: inset 0 -2px 0 #b7410e;
}

@media (max-width: 639px) {
  .main-nav { order: 3; flex-basis: 100%; justify-content: flex-start; }
}

/* --- Mindmap (SVG radial) --- */
.mindmap {
  background: rgba(255,255,255,0.50);
  border: 1px solid rgba(43,43,60,0.08);
  border-radius: 0.75rem;
  padding: 1.5rem;
  margin-block: 2rem;
  box-shadow: 0 4px 18px rgba(43,43,60,0.06);
  text-align: center;
}
.mindmap svg {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}

/* --- Flow diagram (SVG horizontal) --- */
.flow {
  background: rgba(255,255,255,0.55);
  border: 1px solid rgba(43,43,60,0.08);
  border-radius: 0.75rem;
  padding: 1.5rem;
  margin-block: 2rem;
  box-shadow: 0 4px 18px rgba(43,43,60,0.06);
}
.flow h2, .flow-heading { margin-bottom: 1rem; margin-top: 2rem; }
.flow svg {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}

/* --- Glossary (definition list grid) --- */
.glossary { margin-block: 2rem; }
.glossary h2 { margin-bottom: 1rem; }

.glossary-group {
  background: rgba(255,255,255,0.70);
  border: 1px solid rgba(43,43,60,0.08);
  border-radius: 0.5rem;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
  box-shadow: 0 2px 12px rgba(43,43,60,0.04);
}
.glossary-group h3 {
  color: #b7410e;
  margin-bottom: 0.75rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid rgba(183,65,14,0.20);
}

.glossary-group dl {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem 1.5rem;
  margin: 0;
}
@media (min-width: 720px) {
  .glossary-group dl { grid-template-columns: 11rem 1fr; }
}

.glossary-group dt {
  font-weight: 700;
  color: #2b2b3c;
  line-height: 1.35;
}
.glossary-group dd {
  margin: 0;
  color: #3a3a4a;
  line-height: 1.55;
}
.glossary-group dd code {
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;
  background: rgba(183,65,14,0.10);
  padding: 0.05rem 0.35rem;
  border-radius: 0.2rem;
  font-size: 0.88em;
  color: #b7410e;
}

/* --- CTA block (reutilisable) --- */
.cta-block { text-align: center; }
.cta-block .cta { justify-content: center; }