:root {
  --bg: #ffffff;
  --bg-soft: #f5f5f5;
  --bg-card: #ffffff;
  --border: rgba(0, 0, 0, 0.1);
  --text: #000000;
  --text-muted: #555555;
  --accent: #000000;
  --accent-strong: #000000;
  --accent-soft: rgba(0, 0, 0, 0.06);
  --radius: 16px;
  --font: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", sans-serif;
  --font-mono: ui-monospace, "Cascadia Code", "JetBrains Mono", Consolas, monospace;
}

[data-theme="dark"] {
  --bg: #000000;
  --bg-soft: #0a0a0a;
  --bg-card: #111111;
  --border: rgba(255, 255, 255, 0.1);
  --text: #ffffff;
  --text-muted: #999999;
  --accent: #ffffff;
  --accent-strong: #ffffff;
  --accent-soft: rgba(255, 255, 255, 0.06);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  overflow-x: clip;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: clip;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 1rem;
  z-index: 100;
  padding: 0.75rem 1.25rem;
  background: var(--bg-card);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-weight: 600;
}

.skip-link:focus {
  left: 1rem;
}

:focus-visible {
  outline: 2px solid var(--accent-strong);
  outline-offset: 2px;
  border-radius: 2px;
}

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

a:hover {
  text-decoration: underline;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem clamp(1.25rem, 5vw, 4rem);
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text);
}

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

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 1.25rem;
  color: var(--text);
}

.brand-mark svg {
  width: 100%;
  height: 100%;
}

.brand-name {
  font-weight: 700;
  letter-spacing: 0.02em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.site-nav > a {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.site-nav > a:hover {
  color: var(--text);
  text-decoration: none;
}

.nav-toggle-input,
.nav-burger {
  display: none;
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.15rem;
}

.site-nav .lang-btn {
  display: inline-block;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.25rem 0.55rem;
  border-radius: 6px;
  cursor: pointer;
  text-decoration: none;
  transition: 0.15s ease;
}

.site-nav .lang-btn:hover {
  color: var(--text);
}

.site-nav .lang-btn.active {
  background: var(--accent);
  color: var(--bg);
}

.theme-btn {
  appearance: none;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.35rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: 0.15s ease;
  width: 32px;
  height: 32px;
}

.theme-btn:hover {
  color: var(--text);
  border-color: var(--text-muted);
}

.theme-btn svg {
  width: 18px;
  height: 18px;
}

.theme-btn .icon-sun { display: none; }
.theme-btn .icon-moon { display: block; }

[data-theme="dark"] .theme-btn .icon-sun { display: block; }
[data-theme="dark"] .theme-btn .icon-moon { display: none; }

.site-main {
  flex: 1;
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 5vw, 2.5rem);
}

.hero {
  position: relative;
  padding: clamp(5rem, 12vh, 8rem) 0 4rem;
  text-align: center;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black 30%, transparent 75%);
  pointer-events: none;
}

.hero > * {
  position: relative;
}

.hero-badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text);
  background: var(--accent-soft);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.35rem 1rem;
  margin-bottom: 1.75rem;
}

.hero h1 {
  font-size: clamp(2rem, 5.5vw, 3.6rem);
  line-height: 1.15;
  font-weight: 800;
  margin-bottom: 1.5rem;
  letter-spacing: -0.01em;
}

.hero-sub {
  color: var(--text-muted);
  font-size: clamp(1rem, 2vw, 1.2rem);
  max-width: 62ch;
  margin: 0 auto 2.5rem;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.6rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: 0.15s ease;
}

.btn img {
  display: block;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent);
  color: var(--bg);
}

.btn-primary:hover {
  background: var(--accent-strong);
}

.btn-ghost {
  border-color: var(--border);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: var(--text);
  color: var(--text);
}

.manifesto,
.values,
.projects,
.contact {
  padding: 4rem 0;
  border-top: 1px solid var(--border);
}

.manifesto h2,
.values h2,
.projects h2,
.contact h2,
.faq h2 {
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  margin-bottom: 1rem;
}

.projects-intro {
  color: var(--text-muted);
  max-width: 68ch;
  margin-bottom: 1.75rem;
}

.projects .grid-cards .card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.projects .grid-cards .card .btn {
  align-self: flex-start;
  margin-top: auto;
}

.manifesto p {
  color: var(--text-muted);
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  max-width: 68ch;
}

.values h2 {
  margin-bottom: 1.75rem;
}

.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: 0.2s ease;
}

.card:hover {
  border-color: var(--text-muted);
  transform: translateY(-2px);
}

.faq {
  padding: 4rem 0;
}

.faq-intro {
  color: var(--text-muted);
  max-width: 68ch;
  margin-bottom: 1.75rem;
}

.faq-list {
  max-width: 780px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
}

.faq-item h3 {
  font-size: 1.05rem;
  margin-bottom: 0.4rem;
}

.faq-item p {
  color: var(--text-muted);
  font-size: 0.97rem;
}

.card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.6rem;
  color: var(--text);
}

.card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.contact {
  text-align: center;
  padding-bottom: 5rem;
}

.contact h2 {
  margin-bottom: 0.75rem;
}

.contact p {
  color: var(--text-muted);
  max-width: 52ch;
  margin: 0 auto 2rem;
}

.contact-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.contact-item {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  min-width: 180px;
  padding: 1.1rem 1.4rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: 0.2s ease;
}

.contact-item:hover {
  border-color: var(--text-muted);
}

.contact-label {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.contact-value {
  color: var(--text);
  font-weight: 600;
  font-size: 1.02rem;
  word-break: break-word;
}

a.contact-value:hover {
  color: var(--text);
  text-decoration: none;
}

.contact-badge {
  font-size: 0.85rem;
  color: var(--text-muted);
  min-height: 1.2em;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem clamp(1.25rem, 5vw, 4rem);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  background: var(--bg-soft);
}

.footer-note {
  margin-top: 0.25rem;
  opacity: 0.7;
}

.footer-nav {
  margin-top: 0.75rem;
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.footer-nav a {
  color: var(--text-muted);
}

.footer-nav a:hover {
  color: var(--text);
}

.footer-sep {
  opacity: 0.4;
}

/* ===== Pages légales ===== */

.legal-disclaimer {
  background: var(--accent-soft);
  color: var(--text);
  text-align: center;
  font-weight: 600;
  font-size: 0.9rem;
  line-height: 1.5;
  padding: 0.7rem clamp(1rem, 4vw, 2rem);
  border-bottom: 1px solid var(--border);
}

.legal-disclaimer a {
  color: var(--text);
  text-decoration: underline;
}

.legal-disclaimer a:hover {
  color: var(--accent);
}

.legal {
  padding: clamp(1.5rem, 5vw, 3.5rem) clamp(1.25rem, 5vw, 4rem);
  max-width: 780px;
  margin: 0 auto;
}

.legal h1 {
  font-size: clamp(1.5rem, 4vw, 2rem);
  margin-bottom: 0.4rem;
}

.legal .legal-meta {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 2.25rem;
}

.legal h2 {
  font-size: clamp(1.1rem, 2.5vw, 1.3rem);
  margin: 2rem 0 0.6rem;
}

.legal h3 {
  font-size: 1.02rem;
  margin: 1.25rem 0 0.4rem;
}

.legal p,
.legal li {
  color: var(--text-muted);
  line-height: 1.7;
}

.legal ul,
.legal ol {
  padding-left: 1.25rem;
  margin: 0.5rem 0 1rem;
}

.legal li {
  margin: 0.35rem 0;
}

.legal a {
  color: var(--accent);
  word-break: break-word;
}

.legal .legal-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.3rem;
  margin: 1.25rem 0;
  font-size: 0.95rem;
}

.projects-page {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1.5rem;
}

.projects-page .card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.projects-page .card .btn {
  align-self: flex-start;
  margin-top: auto;
}

.legal .legal-note {
  font-size: 0.85rem;
  opacity: 0.75;
  margin-top: 0.75rem;
}

.dev-banner {
  margin: 1rem 0 1.5rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--accent, #f7931e);
  border-left-width: 4px;
  border-radius: 8px;
  background: color-mix(in srgb, var(--accent, #f7931e) 8%, transparent);
  font-size: 0.9rem;
  line-height: 1.45;
}

.tag,
.tag-latest {
  display: inline-block;
  padding: 0.1rem 0.55rem;
  border-radius: 999px;
  background: #f7931e;
  color: #fff;
  font-size: 0.72rem;
  font-weight: 600;
  vertical-align: middle;
}

.tag-dev {
  background: #64748b;
}

.tag-alpha {
  background: #dc2626;
}

.tag-beta {
  background: #d97706;
}

.tag-release {
  background: #16a34a;
}

@media (max-width: 768px) {
  .site-header {
    position: relative;
    padding: 0.8rem 1rem;
  }

  .site-nav {
    gap: 0.75rem;
  }

  .site-header:has(.nav-toggle-input) .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 18px 30px rgba(0, 0, 0, 0.15);
    padding: 0.4rem 0 0.75rem;
  }

  .nav-burger {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.35rem;
    margin-left: auto;
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-muted);
    cursor: pointer;
    user-select: none;
    transition: 0.15s ease;
  }

  .nav-burger:active {
    transform: scale(0.95);
  }

  .nav-burger svg {
    width: 22px;
    height: 22px;
    display: block;
  }

  .nav-burger svg + svg {
    display: none;
  }

  .nav-toggle-input:checked ~ .nav-burger svg:first-child {
    display: none;
  }

  .nav-toggle-input:checked ~ .nav-burger svg:last-child {
    display: block;
  }

  .nav-toggle-input:checked ~ .nav-burger {
    color: var(--text);
    border-color: var(--text-muted);
  }

  .nav-toggle-input:checked ~ .site-nav {
    display: flex;
  }

  .site-header:has(.nav-toggle-input) .site-nav > a {
    padding: 0.8rem 1.25rem;
    font-size: 1.02rem;
    color: var(--text);
  }

  .site-header:has(.nav-toggle-input) .site-nav > a:hover {
    color: var(--text);
  }

  .site-header:has(.nav-toggle-input) .lang-switch {
    margin: 0.6rem 1.25rem 0.2rem;
    align-self: flex-start;
  }

  .site-header:has(.nav-toggle-input) .theme-btn {
    margin: 0.4rem 1.25rem 0.6rem;
    align-self: flex-start;
  }

  .site-main {
    padding: 0 1.1rem;
  }

  .hero {
    padding: 3rem 0 2.5rem;
  }

  .hero h1 {
    font-size: clamp(1.7rem, 8vw, 2.4rem);
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    max-width: 340px;
    margin: 0 auto;
  }

  .hero-actions .btn {
    text-align: center;
  }

  .manifesto,
  .values,
  .faq,
  .contact {
    padding: 2.5rem 0;
  }

  .contact {
    padding-bottom: 3.5rem;
  }

  .grid-cards {
    grid-template-columns: 1fr;
  }

  .faq-item {
    padding: 1rem 1.15rem;
  }

  .contact-list {
    flex-direction: column;
  }

  .contact-item {
    min-width: 0;
  }

  .legal {
    padding: 1.5rem 1.1rem;
  }
}

@media (max-width: 480px) {
  .site-header {
    padding: 0.7rem 0.85rem;
  }

  .brand-name {
    font-size: 0.95rem;
  }

  .brand-mark {
    width: 2.2rem;
    height: 1.1rem;
  }

  .hero {
    padding: 2.5rem 0 2rem;
  }

  .hero-badge {
    font-size: 0.72rem;
    padding: 0.3rem 0.8rem;
  }

  .hero h1 {
    font-size: 1.6rem;
  }

  .card {
    padding: 1.4rem;
  }

  .btn {
    padding: 0.65rem 1.3rem;
  }

  .site-footer {
    padding: 1.25rem 1rem;
  }

  .legal h1 {
    font-size: 1.35rem;
  }

  .legal .legal-box {
    padding: 0.9rem 1rem;
  }
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.team-card {
  background: var(--card-bg, rgba(255,255,255,0.03));
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 2rem 1.5rem;
  text-align: center;
  transition: 0.2s ease;
}

.team-card:hover {
  border-color: rgba(255,255,255,0.15);
}

.team-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: contain;
  border: 2px solid rgba(255,255,255,0.1);
  margin-bottom: 1rem;
  background: var(--bg, #000);
  aspect-ratio: 1 / 1;
}

.team-card h2 {
  font-size: 1.3rem;
  margin: 0 0 0.3rem;
}

.team-role {
  font-size: 0.85rem;
  font-weight: 600;
  opacity: 0.7;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 0.75rem;
}

.team-desc {
  font-size: 0.95rem;
  line-height: 1.5;
  opacity: 0.85;
  margin: 0;
}

.footer-back {
  color: var(--text-muted, #888);
}

.footer-icon {
  vertical-align: -2px;
}

[data-theme="dark"] .footer-icon {
  filter: invert(1);
}

.tor-banner {
  text-align: center;
  padding: 1.5rem;
  margin: 2rem 0;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
}

.tor-banner code {
  font-size: 0.75rem;
  word-break: break-all;
  opacity: 0.7;
}