/* ===== VARIABLES ===== */
:root {
  --bg: #0d0d0f;
  --bg-surface: #141416;
  --bg-card: #1a1a1e;
  --bg-card-hover: #1f1f24;
  --border: rgba(255,255,255,0.07);
  --border-hover: rgba(255,255,255,0.15);
  --text: #f0f0f0;
  --text-muted: #888;
  --text-dim: #444;
  --accent: #818cf8;
  --accent-2: #c084fc;
  --radius: 10px;
  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --nav-bg: rgba(13, 13, 15, 0.85);
  --max-w: 1000px;
}

[data-theme="light"] {
  --bg: #f7f7f5;
  --bg-surface: #efefec;
  --bg-card: #ffffff;
  --bg-card-hover: #fafaf8;
  --border: rgba(0,0,0,0.08);
  --border-hover: rgba(0,0,0,0.18);
  --text: #111;
  --text-muted: #666;
  --text-dim: #bbb;
  --accent: #6366f1;
  --accent-2: #a855f7;
  --nav-bg: rgba(247, 247, 245, 0.88);
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-hover); border-radius: 3px; }

/* ===== NAV ===== */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: 56px;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--nav-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}

nav.scrolled { border-bottom-color: var(--border); }

.nav-logo {
  text-decoration: none;
  display: flex;
  align-items: center;
}

.nav-logo-img {
  width: 44px;
  height: 44px;
  min-width: 44px;
  max-width: 44px;
  border-radius: 50%;
  object-fit: cover;
  border: 1.5px solid var(--border);
  display: block;
  flex-shrink: 0;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.theme-toggle {
  background: none;
  border: 1px solid var(--border);
  border-radius: 7px;
  cursor: pointer;
  padding: 5px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.theme-toggle:hover {
  color: var(--text);
  border-color: var(--border-hover);
  background: var(--bg-card);
}

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

/* ===== ROOT PAGE ===== */
.root {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 100px 28px 60px;
}

.root-header {
  margin-bottom: 56px;
}

.root-header-inner {
  display: flex;
  align-items: flex-start;
  gap: 24px;
}

.root-avatar {
  width: 88px;
  height: 88px;
  min-width: 88px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border);
  margin-top: 6px;
}

.root-header-text {
  flex: 1;
}

.root-name {
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: 12px;
  color: var(--text);
}

.root-location {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 20px;
}

.root-bio {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 480px;
  line-height: 1.65;
  margin-bottom: 10px;
}

@media (max-width: 500px) {
  .root-header-inner { flex-direction: column; gap: 16px; }
  .root-avatar { width: 72px; height: 72px; min-width: 72px; margin-top: 0; }
}

.root-social {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 13px;
  border-radius: 7px;
  border: 1px solid var(--border);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  transition: all var(--transition);
}

.social-link:hover {
  color: var(--text);
  border-color: var(--border-hover);
  background: var(--bg-card);
}

/* ===== PROJECTS GRID ===== */
.projects-section h2 {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 14px;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 20px;
}

.filter-btn {
  padding: 6px 14px;
  border-radius: 100px;
  border: 1.5px solid var(--border);
  background: var(--bg-card);
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  transition: all var(--transition);
  letter-spacing: 0.01em;
}

.filter-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

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

.card { transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition), background var(--transition), opacity var(--transition); }
.card.hidden { display: none; }

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}

.card {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-3px);
  box-shadow: 0 10px 32px rgba(0,0,0,0.25);
}

.card-thumb {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--bg-surface);
}

.card-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: brightness(0.9);
  transition: transform 0.35s ease, filter 0.35s ease;
}

.card:hover .card-thumb img {
  transform: scale(1.04);
  filter: brightness(1);
}

.card-body {
  padding: 14px 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.card-title {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
}

.card-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ===== TAGS ===== */
.tag {
  padding: 2px 8px;
  border-radius: 100px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 1px solid var(--border);
  color: var(--text-muted);
}

.tag.Programmation { border-color: rgba(96,165,250,0.35); color: #60a5fa; }
.tag.Bricolage     { border-color: rgba(251,191,36,0.35);  color: #fbbf24; }
.tag.Associations  { border-color: rgba(52,211,153,0.35);  color: #34d399; }
.tag.Web           { border-color: rgba(192,132,252,0.35); color: #c084fc; }
.tag.Cadeau        { border-color: rgba(251,113,133,0.35); color: #fb7185; }
.tag.Divers        { border-color: rgba(148,163,184,0.35); color: #94a3b8; }
.tag.Restauration  { border-color: rgba(251,146,60,0.35);  color: #fb923c; }
.tag.Voyage        { border-color: rgba(34,211,238,0.35);  color: #22d3ee; }
.tag.Événementiel  { border-color: rgba(251,191,36,0.35);  color: #f59e0b; }

.card-thumb-placeholder {
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  transition: filter 0.35s ease;
}

[data-theme="light"] .card-thumb-placeholder {
  background: linear-gradient(135deg, #e0e7ff 0%, #f0fdf4 100%);
}

/* ===== PROJECT PAGES ===== */
.project-page {
  max-width: 760px;
  margin: 0 auto;
  padding: 80px 28px 80px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  color: var(--text-muted);
  text-decoration: none;
  margin-bottom: 36px;
  transition: color var(--transition), gap var(--transition);
}

.back-link:hover { color: var(--text); gap: 11px; }

.project-page-meta {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.project-page-title {
  font-size: clamp(28px, 5vw, 46px);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: 28px;
}

.project-page-cover {
  margin-bottom: 40px;
}

.project-page-cover img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  display: block;
  max-height: 420px;
  object-fit: cover;
}

.project-page-body p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-muted);
  margin-bottom: 18px;
}

.project-page-body p strong { color: var(--text); font-weight: 600; }

.project-page-body h2 {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 36px 0 12px;
}

.project-page-body ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 18px;
}

.project-page-body ul li {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-muted);
}

.project-page-body ul li::before {
  content: '→';
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 1px;
}

.project-page-cta {
  margin-top: 44px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}

/* ===== BUTTON ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 16px;
  border-radius: 7px;
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  transition: all var(--transition);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-family: inherit;
}

.btn:hover {
  color: var(--text);
  border-color: var(--border-hover);
  background: var(--bg-card);
}

/* ===== FOOTER ===== */
footer {
  border-top: 1px solid var(--border);
  padding: 20px 28px;
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-left { font-size: 12px; color: var(--text-dim); }

.footer-right { display: flex; gap: 16px; }

.footer-link {
  font-size: 12px;
  color: var(--text-dim);
  text-decoration: none;
  transition: color var(--transition);
}

.footer-link:hover { color: var(--text-muted); }

/* ===== GALLERY ===== */
.photo-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 10px;
  margin: 32px 0;
}

.photo-gallery img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--border);
  display: block;
  cursor: zoom-in;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.photo-gallery img:hover {
  transform: scale(1.02);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

/* ===== MOBILE ===== */
@media (max-width: 640px) {
  .root { padding: 80px 18px 48px; }
  .cards-grid { grid-template-columns: 1fr; }
  .project-page { padding: 76px 18px 60px; }
  footer { padding: 18px; flex-direction: column; align-items: flex-start; }
}