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

:root {
  --black:   #0a0a0a;
  --dark:    #111111;
  --mid:     #1c1c1c;
  --border:  #2a2a2a;
  --muted:   #555;
  --text:    #c8c8c8;
  --light:   #e8e8e8;
  --white:   #f5f5f5;
  --accent:  #c8a96e;

  --font-serif: 'Montserrat', system-ui, sans-serif;
  --font-sans:  'Montserrat', system-ui, sans-serif;

  --nav-h: 64px;
  --section-pad: clamp(80px, 10vw, 140px);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--black);
  color: var(--text);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ─── SCROLLBAR ─── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--black); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

/* ─── NAVIGATION ─── */
#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(24px, 5vw, 64px);
  transition: background 0.4s, backdrop-filter 0.4s;
}

#nav.scrolled {
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 300;
  letter-spacing: 0.08em;
  color: var(--white);
  transition: color 0.2s;
}
.nav-logo:hover { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 40px;
}
.nav-links a {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--white); }

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-burger span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--white);
  transition: transform 0.3s, opacity 0.3s;
}

/* ─── HERO ─── */
#hero {
  position: relative;
  width: 100%;
  height: 100dvh;
  min-height: 560px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-video-wrap {
  position: absolute;
  inset: 0;
}

#hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(10,10,10,0.3) 0%,
    rgba(10,10,10,0.15) 40%,
    rgba(10,10,10,0.6) 80%,
    rgba(10,10,10,0.95) 100%
  );
}

/* Fallback si pas de vidéo */
.hero-video-wrap:not(:has(video[src])) {
  background: radial-gradient(ellipse at 30% 40%, #1a1a1a 0%, var(--black) 70%);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 24px;
}

.hero-name {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 9vw, 8rem);
  font-weight: 100;
  line-height: 1.05;
  color: var(--white);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.hero-name em {
  font-style: italic;
  font-weight: 200;
  color: var(--accent);
  text-transform: none;
  letter-spacing: 0.05em;
}

.hero-tagline {
  font-size: clamp(0.7rem, 1.5vw, 0.85rem);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 48px;
}

.hero-cta {
  display: inline-block;
  padding: 12px 36px;
  border: 1px solid rgba(200,169,110,0.5);
  color: var(--accent);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  transition: background 0.3s, border-color 0.3s, color 0.3s;
}
.hero-cta:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--black);
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}
.hero-scroll span {
  display: block;
  width: 1px;
  height: 56px;
  background: linear-gradient(to bottom, transparent, var(--accent));
  margin: 0 auto;
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
  0%   { transform: scaleY(0); transform-origin: top; opacity: 0; }
  50%  { transform: scaleY(1); transform-origin: top; opacity: 1; }
  100% { transform: scaleY(1); transform-origin: bottom; opacity: 0; }
}

/* ─── SECTIONS COMMUNES ─── */
section:not(#hero) {
  padding: var(--section-pad) clamp(24px, 6vw, 80px);
}

.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 56px;
}

.section-header h2,
#about h2,
#contact h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 100;
  color: var(--white);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

/* ─── FILTRES ─── */
.filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.filter {
  background: none;
  border: 1px solid var(--border);
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 7px 16px;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.filter:hover { border-color: var(--text); color: var(--text); }
.filter.active {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(200,169,110,0.05);
}

/* ─── GRILLE PROJETS ─── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}

.project-card {
  cursor: pointer;
  background: var(--dark);
  overflow: hidden;
  transition: opacity 0.4s;
}
.project-card.hidden { display: none; }

.card-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--mid);
}

.card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94), filter 0.4s;
  filter: brightness(0.8) saturate(0.9);
}

.card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10,10,10,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s;
}

.play-icon {
  width: 56px;
  height: 56px;
  border: 1px solid rgba(255,255,255,0.6);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--white);
  padding-left: 4px;
  transition: border-color 0.2s, transform 0.2s;
}

.project-card:hover .card-thumb img {
  transform: scale(1.05);
  filter: brightness(0.6) saturate(1);
}
.project-card:hover .card-overlay { opacity: 1; }
.project-card:hover .play-icon {
  border-color: var(--accent);
  transform: scale(1.1);
}

.card-info {
  padding: 20px 24px 24px;
  border-top: 1px solid var(--border);
}

.card-cat {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 6px;
}

.card-info h3 {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 300;
  letter-spacing: 0.05em;
  color: var(--white);
  margin-bottom: 6px;
}

.card-info p {
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.5;
}

/* Placeholder si pas d'image */
.card-thumb:not(:has(img[src])) {
  background: var(--mid);
}

/* ─── À PROPOS ─── */
#about { background: var(--dark); }

.about-inner {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: clamp(40px, 6vw, 100px);
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
}

.about-photo {
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: var(--mid);
}
.about-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(20%);
  transition: filter 0.4s;
}
.about-photo:hover img { filter: grayscale(0%); }

.about-text h2 { margin-bottom: 28px; }

.about-lead {
  font-family: var(--font-serif);
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  font-weight: 200;
  color: var(--light);
  line-height: 1.7;
  margin-bottom: 20px;
}

.about-text p {
  color: var(--text);
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.about-links {
  display: flex;
  gap: 24px;
  margin-top: 36px;
  flex-wrap: wrap;
}
.about-links a {
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
  padding-bottom: 2px;
  transition: color 0.2s, border-color 0.2s;
}
.about-links a:hover { color: var(--accent); border-color: var(--accent); }

/* ─── CONTACT ─── */
#contact { background: var(--black); }

.contact-inner {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

.contact-inner h2 { margin-bottom: 16px; }

.contact-lead {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 32px;
  letter-spacing: 0.05em;
}

.contact-email {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  font-weight: 200;
  letter-spacing: 0.05em;
  color: var(--accent);
  margin-bottom: 56px;
  border-bottom: 1px solid rgba(200,169,110,0.3);
  padding-bottom: 4px;
  transition: border-color 0.2s;
}
.contact-email:hover { border-color: var(--accent); }

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  text-align: left;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  background: var(--mid);
  border: 1px solid var(--border);
  color: var(--white);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 300;
  padding: 14px 18px;
  outline: none;
  transition: border-color 0.2s;
  resize: vertical;
}
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: var(--muted); }
.contact-form input:focus,
.contact-form textarea:focus { border-color: var(--accent); }

.contact-form button {
  align-self: flex-start;
  background: var(--accent);
  color: var(--black);
  border: none;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 14px 40px;
  cursor: pointer;
  transition: opacity 0.2s;
}
.contact-form button:hover { opacity: 0.85; }

.form-notice {
  font-size: 0.72rem;
  color: var(--muted);
  margin-top: 4px;
}

/* ─── FOOTER ─── */
footer {
  background: var(--dark);
  border-top: 1px solid var(--border);
  text-align: center;
  padding: 28px 24px;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--muted);
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}

.footer-links {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  justify-content: center;
}
.footer-links a {
  color: var(--muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.68rem;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--accent); }

/* ─── MODAL ─── */
.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.modal.open {
  opacity: 1;
  pointer-events: all;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.92);
  cursor: pointer;
}

.modal-content {
  position: relative;
  z-index: 1;
  width: 90vw;
  max-width: 960px;
  transform: translateY(20px);
  transition: transform 0.3s;
}
.modal.open .modal-content { transform: translateY(0); }

.modal-close {
  position: absolute;
  top: -44px;
  right: 0;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1rem;
  cursor: pointer;
  padding: 8px;
  letter-spacing: 0.1em;
  transition: color 0.2s;
}
.modal-close:hover { color: var(--white); }

.modal-video-wrap {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  background: var(--black);
}
.modal-video-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 900px) {
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .about-inner { grid-template-columns: 1fr; }
  .about-photo { aspect-ratio: 4 / 3; max-width: 400px; }
}

@media (max-width: 600px) {
  .nav-links { display: none; }
  .nav-burger { display: flex; }
  .projects-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero-name { line-height: 1.05; }
}

/* Menu mobile ouvert */
#nav.mobile-open .nav-links {
  display: flex;
  flex-direction: column;
  position: fixed;
  inset: 0;
  background: rgba(10,10,10,0.97);
  align-items: center;
  justify-content: center;
  gap: 32px;
  z-index: 99;
}
#nav.mobile-open .nav-links a { font-size: 1rem; }
#nav.mobile-open .nav-burger span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
#nav.mobile-open .nav-burger span:nth-child(2) { opacity: 0; }
#nav.mobile-open .nav-burger span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }