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

:root {
  --noir: #0a0905;
  --or: #c9a84c;
  --or-clair: #e8d08a;
  --creme: #f5f0e8;
  --gris: #2a2820;
  --gris-moyen: #6b6456;
}

html { scroll-behavior: smooth; }

body {
  background: var(--noir);
  color: var(--creme);
  font-family: 'Montserrat', sans-serif;
  font-weight: 300;
  overflow-x: hidden;
  cursor: none;
}

/* Curseur personnalisé */
.cursor {
  width: 8px; height: 8px;
  background: var(--or);
  border-radius: 50%;
  position: fixed;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: width 0.3s, height 0.3s, opacity 0.3s;
}
.cursor-ring {
  width: 36px; height: 36px;
  border: 1px solid var(--or);
  border-radius: 50%;
  position: fixed;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: transform 0.12s ease, width 0.3s, height 0.3s;
  opacity: 0.5;
}
body:hover .cursor { opacity: 1; }

/* NAV */
nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 28px 60px;
  display: flex; justify-content: space-between; align-items: center;
  mix-blend-mode: normal;
}
nav::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(10,9,5,0.9), transparent);
  pointer-events: none;
}
.logo {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.4rem;
  font-weight: 300;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--or);
  position: relative; z-index: 1;
}
.logo span { font-style: italic; font-weight: 400; color: var(--creme); }
nav ul {
  list-style: none;
  display: flex; gap: 48px;
  position: relative; z-index: 1;
}
nav ul li a {
  text-decoration: none;
  color: var(--creme);
  font-size: 0.62rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  opacity: 0.7;
  transition: opacity 0.3s, color 0.3s;
}
nav ul li a:hover { opacity: 1; color: var(--or); }

/* HERO */
.hero {
  height: 100vh;
  position: relative;
  display: flex; align-items: flex-end;
  padding: 0 60px 80px;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    linear-gradient(165deg, transparent 40%, rgba(10,9,5,0.97) 75%),
    url('https://images.unsplash.com/photo-1497366216548-37526070297c?w=700&q=80') center/cover no-repeat;
  transform: scale(1.05);
  animation: slowZoom 20s ease-in-out infinite alternate;
}
@keyframes slowZoom {
  from { transform: scale(1.05); }
  to { transform: scale(1.12); }
}
.hero-content {
  position: relative; z-index: 2;
  max-width: 800px;
}
.hero-eyebrow {
  font-size: 0.6rem;
  letter-spacing: 0.45em;
  text-transform: uppercase;
  color: var(--or);
  margin-bottom: 28px;
  display: flex; align-items: center; gap: 20px;
  animation: fadeUp 1s ease 0.3s both;
}
.hero-eyebrow::before {
  content: '';
  display: block; width: 60px; height: 1px;
  background: var(--or); opacity: 0.6;
}
h1 {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(3.5rem, 7vw, 7rem);
  font-weight: 300;
  line-height: 1.0;
  margin-bottom: 32px;
  animation: fadeUp 1s ease 0.5s both;
}
h1 em {
  font-style: italic;
  color: var(--or);
  display: block;
}
.hero-desc {
  font-size: 0.82rem;
  line-height: 2;
  opacity: 0.6;
  max-width: 420px;
  margin-bottom: 48px;
  animation: fadeUp 1s ease 0.7s both;
}
.btn-or {
  display: inline-flex; align-items: center; gap: 16px;
  text-decoration: none;
  color: var(--or);
  font-size: 0.62rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  border: 1px solid rgba(201,168,76,0.4);
  padding: 18px 36px;
  transition: background 0.4s, color 0.4s, border-color 0.4s;
  animation: fadeUp 1s ease 0.9s both;
}
.btn-or:hover {
  background: var(--or);
  color: var(--noir);
  border-color: var(--or);
}
.btn-or svg { width: 16px; height: 16px; transition: transform 0.3s; }
.btn-or:hover svg { transform: translateX(4px); }

.hero-number {
  position: absolute;
  right: 60px; bottom: 80px;
  font-family: 'Cormorant Garamond', serif;
  font-size: 9rem;
  font-weight: 300;
  color: rgba(201,168,76,0.06);
  line-height: 1;
  z-index: 1;
  user-select: none;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* STATS BAND */
.stats-band {
  background: var(--gris);
  padding: 48px 60px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  position: relative;
}
.stats-band::before {
  content: '';
  position: absolute; top: 0; left: 60px; right: 60px; height: 1px;
  background: linear-gradient(to right, transparent, var(--or), transparent);
}
.stat {
  padding: 32px 40px;
  border-right: 1px solid rgba(255,255,255,0.06);
  text-align: center;
}
.stat:last-child { border-right: none; }
.stat-number {
  font-family: 'Cormorant Garamond', serif;
  font-size: 3.5rem;
  font-weight: 300;
  color: var(--or);
  display: block;
  line-height: 1;
}
.stat-label {
  font-size: 0.58rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  opacity: 0.45;
  margin-top: 10px;
  display: block;
}

/* ABOUT */
.about {
  padding: 140px 60px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 120px;
  align-items: center;
}
.about-left { position: relative; }
.about-image {
  width: 100%; aspect-ratio: 3/4;
  object-fit: cover;
  filter: grayscale(20%) contrast(1.1);
}
.about-badge {
  position: absolute;
  bottom: -30px; right: -30px;
  width: 140px; height: 140px;
  background: var(--or);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  color: var(--noir);
}
.about-badge-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 3rem;
  font-weight: 400;
  line-height: 1;
}
.about-badge-text {
  font-size: 0.52rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-align: center;
  line-height: 1.6;
  margin-top: 4px;
}
.section-label {
  font-size: 0.58rem;
  letter-spacing: 0.45em;
  text-transform: uppercase;
  color: var(--or);
  display: flex; align-items: center; gap: 16px;
  margin-bottom: 28px;
}
.section-label::before {
  content: ''; display: block;
  width: 40px; height: 1px; background: var(--or); opacity: 0.5;
}
h2 {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2rem, 3.5vw, 3.2rem);
  font-weight: 300;
  line-height: 1.2;
  margin-bottom: 28px;
}
h2 em { font-style: italic; color: var(--or); }
.about-text {
  font-size: 0.82rem;
  line-height: 2;
  opacity: 0.6;
  margin-bottom: 20px;
}
.separator {
  width: 60px; height: 1px;
  background: linear-gradient(to right, var(--or), transparent);
  margin: 40px 0;
}
.about-signature {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2.2rem;
  font-style: italic;
  color: var(--or);
  opacity: 0.7;
}

/* PROJETS */
.projets { padding: 0 60px 140px; }
.projets-header {
  display: flex; justify-content: space-between; align-items: flex-end;
  margin-bottom: 64px;
}
.projets-header a {
  text-decoration: none;
  color: var(--or);
  font-size: 0.62rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  opacity: 0.7;
  transition: opacity 0.3s;
}
.projets-header a:hover { opacity: 1; }
.projets-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  grid-template-rows: auto auto;
  gap: 3px;
}
.projet-card {
  position: relative;
  overflow: hidden;
  cursor: none;
}
.projet-card:first-child { grid-row: 1 / 3; }
.projet-card img {
  width: 100%;
  height: 100%;
  min-height: 300px;
  object-fit: cover;
  display: block;
  filter: grayscale(30%);
  transition: transform 0.8s cubic-bezier(0.25,0.46,0.45,0.94), filter 0.5s;
}
.projet-card:hover img {
  transform: scale(1.06);
  filter: grayscale(0%);
}
.projet-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10,9,5,0.9) 0%, transparent 50%);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 36px;
  opacity: 0;
  transition: opacity 0.5s;
}
.projet-card:hover .projet-overlay { opacity: 1; }
.projet-cat {
  font-size: 0.55rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--or);
  margin-bottom: 8px;
}
.projet-titre {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.8rem;
  font-weight: 300;
}
.projet-annee {
  font-size: 0.6rem;
  opacity: 0.4;
  letter-spacing: 0.15em;
  margin-top: 8px;
}

/* SERVICES */
.services {
  background: var(--gris);
  padding: 140px 60px;
  position: relative;
}
.services::before {
  content: '';
  position: absolute; top: 0; left: 60px; right: 60px; height: 1px;
  background: linear-gradient(to right, transparent, var(--or), transparent);
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  margin-top: 80px;
}
.service-card {
  padding: 60px 48px;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(201,168,76,0.08);
  transition: border-color 0.4s, background 0.4s;
  position: relative; overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0; height: 2px;
  background: var(--or);
  transform: scaleX(0);
  transition: transform 0.4s;
  transform-origin: left;
}
.service-card:hover::before { transform: scaleX(1); }
.service-card:hover {
  border-color: rgba(201,168,76,0.2);
  background: rgba(201,168,76,0.04);
}
.service-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 5rem;
  font-weight: 300;
  color: rgba(201,168,76,0.12);
  line-height: 1;
  margin-bottom: 32px;
}
.service-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.6rem;
  font-weight: 400;
  margin-bottom: 20px;
  color: var(--creme);
}
.service-text {
  font-size: 0.78rem;
  line-height: 2;
  opacity: 0.5;
}

/* PROCESS */
.process { padding: 140px 60px; }
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 80px;
  position: relative;
}
.process-steps::before {
  content: '';
  position: absolute;
  top: 28px; left: 10%; right: 10%; height: 1px;
  background: linear-gradient(to right, transparent, var(--or), transparent);
  opacity: 0.3;
}
.step { padding: 0 32px; text-align: center; }
.step-circle {
  width: 56px; height: 56px;
  border: 1px solid var(--or);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 32px;
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.1rem;
  color: var(--or);
  position: relative; z-index: 1;
  background: var(--noir);
}
.step-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.2rem;
  font-weight: 400;
  margin-bottom: 16px;
}
.step-text { font-size: 0.75rem; line-height: 2; opacity: 0.45; }

/* CONTACT */
.contact {
  padding: 140px 60px;
  background: var(--gris);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.contact-bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at center, rgba(201,168,76,0.06) 0%, transparent 65%);
}
.contact h2 { font-size: clamp(2.5rem, 5vw, 5rem); margin-bottom: 24px; }
.contact p { opacity: 0.5; font-size: 0.82rem; line-height: 2; margin-bottom: 56px; max-width: 480px; margin-left: auto; margin-right: auto; }
.contact-email {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(1.5rem, 3vw, 2.8rem);
  font-weight: 300;
  color: var(--or);
  text-decoration: none;
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: 64px;
  transition: opacity 0.3s;
}
.contact-email:hover { opacity: 0.7; }

.contact-details {
  display: flex; justify-content: center; gap: 80px;
  font-size: 0.7rem;
  opacity: 0.4;
  letter-spacing: 0.15em;
}
.contact-details span { text-transform: uppercase; }

/* FOOTER */
footer {
  padding: 40px 60px;
  border-top: 1px solid rgba(255,255,255,0.06);
  display: flex; justify-content: space-between; align-items: center;
}
footer .logo { font-size: 1rem; }
footer p {
  font-size: 0.6rem;
  opacity: 0.25;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.social-links { display: flex; gap: 28px; }
.social-links a {
  text-decoration: none;
  color: var(--creme);
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.3;
  transition: opacity 0.3s, color 0.3s;
}
.social-links a:hover { opacity: 1; color: var(--or); }

/* SCROLL REVEAL */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}
.reveal.visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }