/* ── Variables ───────────────────────────────────── */
:root {
  --noir:     #0a0a0a;
  --gris-f:   #111111;
  --gris-m:   #1e1e1e;
  --gris-c:   #2e2e2e;
  --bordure:  #2a2a2a;
  --texte:    #e8e8e8;
  --texte-2:  #888888;
  --accent:   #c8a96e;  /* or chaud */
  --accent-2: #e8c98e;
  --blanc:    #ffffff;
  --rayon:    12px;
  --max:      1100px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--noir);
  color: var(--texte);
  line-height: 1.7;
  font-size: 16px;
}

a { text-decoration: none; color: inherit; }

/* ── Navigation ──────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 60px;
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--bordure);
}

.nav-logo {
  font-family: 'Playfair Display', serif;
  font-size: 24px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 1px;
}

.nav-links {
  display: flex;
  gap: 36px;
  list-style: none;
  align-items: center;
}

.nav-links a {
  font-size: 14px;
  font-weight: 400;
  color: var(--texte-2);
  letter-spacing: 0.5px;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--texte); }

.nav-cta {
  background: var(--accent) !important;
  color: var(--noir) !important;
  padding: 9px 22px;
  border-radius: 6px;
  font-weight: 500 !important;
  transition: background 0.2s !important;
}

.nav-cta:hover { background: var(--accent-2) !important; }

/* ── Boutons ─────────────────────────────────────── */
.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: var(--noir);
  padding: 14px 32px;
  border-radius: 8px;
  font-weight: 500;
  font-size: 15px;
  letter-spacing: 0.3px;
  transition: background 0.2s, transform 0.2s;
}

.btn-primary:hover {
  background: var(--accent-2);
  transform: translateY(-2px);
}

.btn-secondary {
  display: inline-block;
  color: var(--texte-2);
  font-size: 15px;
  font-weight: 400;
  padding: 14px 0;
  border-bottom: 1px solid var(--bordure);
  transition: color 0.2s, border-color 0.2s;
}

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

/* ── Hero ────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 160px 60px 100px;
  max-width: var(--max);
  margin: 0 auto;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--accent);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 28px;
}

.hero-tag::before {
  content: '';
  display: inline-block;
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-titre {
  font-family: 'Playfair Display', serif;
  font-size: clamp(42px, 6vw, 76px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -1px;
  margin-bottom: 24px;
  color: var(--blanc);
}

.hero-accent {
  color: var(--accent);
  font-style: italic;
}

.hero-desc {
  max-width: 560px;
  font-size: 17px;
  color: var(--texte-2);
  line-height: 1.8;
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-bottom: 72px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 40px;
  padding-top: 40px;
  border-top: 1px solid var(--bordure);
}

.stat { display: flex; flex-direction: column; gap: 4px; }

.stat-nombre {
  font-family: 'Playfair Display', serif;
  font-size: 28px;
  font-weight: 700;
  color: var(--blanc);
}

.stat-label {
  font-size: 13px;
  color: var(--texte-2);
  letter-spacing: 0.5px;
}

.stat-sep {
  width: 1px;
  height: 40px;
  background: var(--bordure);
}

/* ── Sections communes ───────────────────────────── */
.section-container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 100px 60px;
}

.section-tag {
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.section-titre {
  font-family: 'Playfair Display', serif;
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  color: var(--blanc);
  margin-bottom: 56px;
  line-height: 1.2;
}

/* ── À propos ────────────────────────────────────── */
.apropos { background: var(--gris-f); }

.apropos-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.apropos-texte h2 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  color: var(--blanc);
  line-height: 1.25;
  margin-bottom: 20px;
}

.apropos-texte p {
  color: var(--texte-2);
  font-size: 15px;
  margin-bottom: 16px;
  line-height: 1.8;
}

.apropos-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.apropos-tags span {
  font-size: 12px;
  padding: 6px 14px;
  border: 1px solid var(--bordure);
  border-radius: 100px;
  color: var(--texte-2);
  letter-spacing: 0.5px;
}

.apropos-visuel {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.apropos-card {
  background: var(--gris-m);
  border: 1px solid var(--bordure);
  border-radius: var(--rayon);
  padding: 24px 28px;
  transition: border-color 0.2s;
}

.apropos-card:hover { border-color: var(--accent); }

.card-icon { font-size: 24px; margin-bottom: 10px; }

.apropos-card h3 {
  font-size: 16px;
  font-weight: 500;
  color: var(--blanc);
  margin-bottom: 6px;
}

.apropos-card p { font-size: 14px; color: var(--texte-2); }

/* ── Services ────────────────────────────────────── */
.services { background: var(--noir); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  border: 1px solid var(--bordure);
  border-radius: var(--rayon);
  overflow: hidden;
}

.service-card {
  background: var(--gris-f);
  padding: 40px;
  transition: background 0.2s;
  border: 1px solid transparent;
}

.service-card:hover {
  background: var(--gris-m);
  border-color: var(--accent);
  z-index: 1;
}

.service-num {
  font-family: 'Playfair Display', serif;
  font-size: 36px;
  font-weight: 700;
  color: var(--bordure);
  margin-bottom: 16px;
  line-height: 1;
}

.service-card h3 {
  font-size: 17px;
  font-weight: 500;
  color: var(--blanc);
  margin-bottom: 12px;
}

.service-card p { font-size: 14px; color: var(--texte-2); line-height: 1.7; }

/* ── Projets ─────────────────────────────────────── */
.projets { background: var(--gris-f); }

.projets-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 20px;
}

.projet-card {
  background: var(--gris-m);
  border: 1px solid var(--bordure);
  border-radius: var(--rayon);
  padding: 36px;
  transition: border-color 0.2s, transform 0.2s;
}

.projet-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

.projet-featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  background: var(--gris-c);
}

.projet-label {
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.projet-card h3 {
  font-family: 'Playfair Display', serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--blanc);
  margin-bottom: 12px;
}

.projet-card p { font-size: 14px; color: var(--texte-2); line-height: 1.7; margin-bottom: 20px; }

.projet-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.projet-tech span {
  font-size: 11px;
  padding: 4px 12px;
  background: var(--noir);
  border: 1px solid var(--bordure);
  border-radius: 100px;
  color: var(--texte-2);
  letter-spacing: 0.5px;
}

/* ── Contact ─────────────────────────────────────── */
.contact { background: var(--noir); }

.contact-inner {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
  padding: 100px 60px;
}

.contact-inner h2 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  color: var(--blanc);
  margin-bottom: 16px;
  line-height: 1.2;
}

.contact-inner p {
  color: var(--texte-2);
  font-size: 16px;
  margin-bottom: 36px;
}

.contact-liens {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin-top: 32px;
}

.contact-liens a {
  font-size: 14px;
  color: var(--texte-2);
  border-bottom: 1px solid var(--bordure);
  padding-bottom: 2px;
  transition: color 0.2s, border-color 0.2s;
}

.contact-liens a:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* ── Footer ──────────────────────────────────────── */
.footer {
  background: var(--gris-f);
  border-top: 1px solid var(--bordure);
  padding: 24px 60px;
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--texte-2);
}

/* ── Responsive ──────────────────────────────────── */
@media (max-width: 768px) {
  .nav { padding: 16px 24px; }
  .nav-links { display: none; }

  .hero { padding: 120px 24px 80px; }
  .hero-actions { flex-direction: column; align-items: flex-start; gap: 16px; }
  .hero-stats { gap: 24px; }

  .section-container { padding: 60px 24px; }

  .apropos-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }

  .projets-grid { grid-template-columns: 1fr; }
  .projet-featured { grid-template-columns: 1fr; }

  .contact-inner { padding: 60px 24px; }
  .footer { padding: 20px 24px; }
  .footer-inner { flex-direction: column; gap: 8px; text-align: center; }
}