:root {
  --bg: #06071a;
  --bg-alt: #0d1028;
  --accent: #7b5cff;
  --accent-soft: rgba(123,92,255,0.25);
  --text: #f5f5ff;
  --muted: #9fa3d1;
  --card: #111431;
  --border: #262a4d;
  --radius-lg: 18px;
}

* { box-sizing:border-box; }

body {
  margin:0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #151a3f 0, #050618 55%, #02030c 100%);
  color: var(--text);
}

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

header {
  position:sticky;
  top:0;
  z-index:20;
  backdrop-filter: blur(16px);
  background: linear-gradient(to bottom, rgba(5,6,24,0.96), rgba(5,6,24,0.75));
  border-bottom: 1px solid rgba(123,92,255,0.25);
}

.header-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 10px 20px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}

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

.brand img {
  width:42px;
  height:42px;
  border-radius:50%;
}

.brand-title {
  font-weight:600;
  letter-spacing:0.12em;
  text-transform:uppercase;
  font-size:0.8rem;
  color:var(--muted);
}

nav {
  display:flex;
  gap:20px;
  font-size:0.9rem;
}

nav a {
  color:var(--muted);
  padding:6px 0;
  border-bottom:2px solid transparent;
}

nav a:hover {
  color:var(--text);
  border-color:var(--accent-soft);
}

main {
  max-width:1120px;
  margin: 0 auto;
  padding: 32px 20px 60px;
}

/* hero */

.hero {
  display:grid;
  grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);
  gap:32px;
  align-items:center;
  margin-bottom:40px;
}

.hero-text h1 {
  font-size:2rem;
  margin:0 0 10px;
}

.hero-text p {
  margin:0 0 18px;
  color:var(--muted);
}

.hero-tags {
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-bottom:18px;
}

.tag {
  font-size:0.75rem;
  padding:4px 10px;
  border-radius:999px;
  background:rgba(8,11,40,0.9);
  border:1px solid rgba(123,92,255,0.3);
  color:var(--muted);
}

.hero-card {
  background: radial-gradient(circle at top, #252a64, #070819);
  border-radius: var(--radius-lg);
  border:1px solid var(--border);
  padding:18px;
  box-shadow:0 22px 50px rgba(0,0,0,0.6);
}

/* gallery */

.section-title {
  margin: 6px 0 12px;
  font-size:1.2rem;
}

.section-sub {
  margin:0 0 18px;
  color:var(--muted);
  font-size:0.9rem;
}

.gallery-filters {
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-bottom:20px;
}

.filter-btn {
  background:#070818;
  border-radius:999px;
  border:1px solid var(--border);
  padding:6px 14px;
  font-size:0.8rem;
  color:var(--muted);
  cursor:pointer;
}

.filter-btn.active {
  background:var(--accent-soft);
  border-color:var(--accent);
  color:var(--text);
}

.gallery-grid {
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(230px,1fr));
  gap:18px;
}

.art-card {
  background: radial-gradient(circle at top, #1b2047, #050618);
  border-radius: var(--radius-lg);
  border:1px solid var(--border);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  min-height:260px;
  box-shadow:0 14px 30px rgba(0,0,0,0.55);
}

.art-thumb {
  position:relative;
  overflow:hidden;
}

.art-thumb img {
  width:100%;
  display:block;
  cursor:pointer;
  transform-origin:center;
  transition: transform 220ms ease-out, filter 220ms ease-out;
}

.art-thumb::after {
  content:"Cliquer pour agrandir";
  position:absolute;
  inset:auto 10px 10px;
  padding:3px 8px;
  border-radius:999px;
  font-size:0.7rem;
  background:rgba(2,3,15,0.7);
  border:1px solid rgba(123,92,255,0.6);
  color:var(--muted);
}

.art-card:hover .art-thumb img {
  transform:scale(1.03);
  filter:brightness(1.04);
}

.art-info {
  padding:12px 14px 14px;
}

.art-info h3 {
  margin:0 0 4px;
  font-size:0.98rem;
}

.art-category {
  margin:0 0 6px;
  font-size:0.78rem;
  text-transform:uppercase;
  letter-spacing:0.16em;
  color:var(--muted);
}

.art-desc {
  margin:0;
  font-size:0.8rem;
  color:var(--muted);
}

/* about / contact */

.split-two {
  display:grid;
  grid-template-columns: minmax(0,1.2fr) minmax(0,1fr);
  gap:26px;
  margin-top:34px;
}

.panel {
  background:#070818;
  border-radius:var(--radius-lg);
  border:1px solid var(--border);
  padding:16px 18px;
}

.panel p {
  margin:0 0 10px;
  font-size:0.88rem;
  color:var(--muted);
}

/* lightbox */

.lightbox {
  position:fixed;
  inset:0;
  background:rgba(1,2,10,0.86);
  display:flex;
  align-items:center;
  justify-content:center;
  opacity:0;
  pointer-events:none;
  transition: opacity 180ms ease-out;
  z-index:40;
}

.lightbox.open {
  opacity:1;
  pointer-events:auto;
}

.lightbox-inner {
  max-width:960px;
  width:clamp(260px,90vw,960px);
}

.lightbox img {
  width:100%;
  border-radius:16px;
  border:1px solid rgba(151,143,255,0.5);
  box-shadow:0 20px 60px rgba(0,0,0,0.8);
  margin-bottom:10px;
}

.lightbox-caption {
  font-size:0.85rem;
  color:var(--muted);
}

.lightbox-top {
  display:flex;
  justify-content:flex-end;
  margin-bottom:8px;
}

.lightbox-close {
  background:transparent;
  border:1px solid var(--border);
  border-radius:999px;
  padding:4px 10px;
  font-size:0.8rem;
  color:var(--muted);
  cursor:pointer;
}

/* footer */

footer {
  border-top:1px solid var(--border);
  padding:14px 20px 24px;
  text-align:center;
  font-size:0.78rem;
  color:var(--muted);
  background:#050616;
}

/* responsive */

@media (max-width: 840px) {
  .hero {
    grid-template-columns: minmax(0,1fr);
  }
  .split-two {
    grid-template-columns:minmax(0,1fr);
  }
  nav {
    gap:14px;
    font-size:0.8rem;
  }
}

.support-nocturne {
  margin: 3rem auto;
  padding: 2rem;
  max-width: 900px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 16px;
  text-align: center;
  backdrop-filter: blur(6px);
}

.support-nocturne h2 {
  font-size: 1.6rem;
  margin-bottom: 1rem;
  color: #e6e6ff;
}

.support-nocturne p {
  font-size: 1rem;
  line-height: 1.7;
  color: #cfd3ff;
}

.support-note {
  margin-top: 1rem;
  font-style: italic;
  color: #b8bcff;
}
/* End of CSS file */