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

:root {
  --bg: #080808;
  --bg2: #111111;
  --bg3: #181818;
  --text: #e8e8e0;
  --text-dim: #888880;
  --gold: #c9a96e;
  --gold-light: #e2c896;
  --gold-dim: rgba(201,169,110,0.15);
  --border: rgba(255,255,255,0.06);
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Inter', system-ui, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --nav-h: 72px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--gold-dim); border-radius: 2px; }

/* ===== TYPOGRAPHY ===== */
h1, h2, h3 { font-family: var(--font-serif); font-weight: 300; line-height: 1.15; }
h1 { font-size: clamp(3rem, 8vw, 7rem); }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); }
h3 { font-size: 1.5rem; }

em { font-style: italic; color: var(--gold); }

p { color: var(--text-dim); font-size: 0.95rem; line-height: 1.8; }

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

.label {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
  display: block;
}

/* ===== LAYOUT ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }

section { padding: 7rem 0; }

.section-header { max-width: 640px; margin-bottom: 4rem; }
.section-header h2 { margin-top: 0.5rem; }

/* ===== REVEAL ANIMATIONS ===== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal:nth-child(4) { transition-delay: 0.3s; }

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2.2rem;
  background: var(--gold);
  color: #0a0a0a;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: background 0.3s ease, transform 0.2s ease;
}
.btn-primary:hover { background: var(--gold-light); transform: translateY(-1px); }
.btn-primary.full-width { width: 100%; justify-content: center; }

/* ===== NAV ===== */
#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  transition: background 0.4s ease, border-color 0.4s ease;
  border-bottom: 1px solid transparent;
}
#nav.scrolled {
  background: rgba(8,8,8,0.95);
  backdrop-filter: blur(12px);
  border-color: var(--border);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--text);
}
.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
  align-items: center;
}
.nav-links a {
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }
.nav-links .nav-cta {
  padding: 0.5rem 1.4rem;
  border: 1px solid var(--gold);
  color: var(--gold);
}
.nav-links .nav-cta:hover { background: var(--gold-dim); }
.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(--text); transition: transform 0.3s, opacity 0.3s; }

/* ===== MOBILE MENU ===== */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 99;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.mobile-menu.open { opacity: 1; pointer-events: all; }
.mobile-menu ul { list-style: none; text-align: center; }
.mobile-menu li { margin: 1.5rem 0; }
.mobile-menu a {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 300;
  color: var(--text-dim);
  transition: color 0.2s;
}
.mobile-menu a:hover { color: var(--gold); }

/* ===== HERO ===== */
#hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 0;
}
.hero-video {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  background: #050505;
}
.hero-video iframe {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  /* couvre tout l'écran en 16:9 sans déformer */
  width: 100vw;
  height: 56.25vw;
  min-height: 100vh;
  min-width: 177.78vh;
  pointer-events: none;
  border: none;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(ellipse at center, rgba(8,8,8,0.45) 0%, rgba(8,8,8,0.75) 100%),
    linear-gradient(to bottom, rgba(8,8,8,0.6) 0%, rgba(8,8,8,0.2) 40%, rgba(8,8,8,0.85) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 1.5rem;
  max-width: 900px;
}
.hero-eyebrow {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 2rem;
  transition-delay: 0.1s;
}
.hero-title {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 1.5rem;
}
.title-line {
  display: block;
  transition-delay: 0.2s;
}
.title-line.italic {
  font-style: italic;
  color: var(--gold);
  transition-delay: 0.3s;
}
.hero-sub {
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 2.5rem;
  transition-delay: 0.4s;
}
.hero-scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  opacity: 0.4;
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, transparent, var(--gold));
  animation: scrollPulse 2s ease-in-out infinite;
}
.hero-scroll span { font-size: 0.62rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--text-dim); }
@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.8); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ===== SERVICES ===== */
#services { background: var(--bg); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5px;
}
.service-card {
  background: var(--bg2);
  padding: 3rem 2.5rem;
  position: relative;
  overflow: hidden;
  transition: background 0.3s ease;
}
.service-card::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(to right, transparent, var(--gold), transparent);
  transform: scaleX(0);
  transition: transform 0.5s var(--ease);
}
.service-card:hover::before { transform: scaleX(1); }
.service-card:hover { background: var(--bg3); }
.service-icon {
  width: 40px;
  height: 40px;
  color: var(--gold);
  margin-bottom: 1.5rem;
}
.service-card h3 {
  font-size: 1.4rem;
  margin-bottom: 1rem;
  color: var(--text);
}
.service-card > p { margin-bottom: 1.5rem; font-size: 0.9rem; }
.service-details {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.service-details li {
  font-size: 0.78rem;
  color: var(--text-dim);
  padding-left: 1rem;
  position: relative;
}
.service-details li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--gold);
  font-size: 0.6rem;
  top: 2px;
}

/* ===== ABOUT ===== */
#about {
  background: var(--bg2);
  overflow: hidden;
}
.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: center;
}
.about-visual { position: relative; }
.about-photo-wrap {
  aspect-ratio: 4/5;
  overflow: hidden;
  background: var(--bg3);
}
.about-photo-wrap img { width: 100%; height: 100%; object-fit: cover; display: block; filter: grayscale(20%); }
.about-photo-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  color: var(--text-dim);
  border: 1px dashed var(--border);
  min-height: 400px;
}
.about-photo-placeholder svg { width: 60px; height: 60px; opacity: 0.3; }
.about-photo-placeholder span { font-size: 0.75rem; letter-spacing: 0.1em; opacity: 0.4; }
.about-badge {
  position: absolute;
  bottom: -1.5rem;
  right: -1.5rem;
  width: 90px;
  height: 90px;
  background: var(--gold);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
}
.badge-number { font-family: var(--font-serif); font-size: 1.1rem; font-weight: 600; color: #080808; }
.badge-label { font-size: 0.55rem; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; color: rgba(8,8,8,0.6); }
.about-text h2 { margin-top: 0.5rem; margin-bottom: 1.5rem; }
.about-text p { margin-bottom: 1rem; }
.about-stats {
  display: flex;
  gap: 2.5rem;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}
.stat { display: flex; flex-direction: column; gap: 0.25rem; }
.stat-num { font-family: var(--font-serif); font-size: 1.8rem; font-weight: 300; color: var(--text); }
.stat-label { font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-dim); }

/* ===== PORTFOLIO ===== */
#portfolio { background: var(--bg); }

.portfolio-filters {
  display: flex;
  gap: 0;
  margin-bottom: 3rem;
  border: 1px solid var(--border);
  width: fit-content;
}
.filter-btn {
  background: none;
  border: none;
  padding: 0.65rem 1.5rem;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  border-right: 1px solid var(--border);
}
.filter-btn:last-child { border-right: none; }
.filter-btn:hover { color: var(--text); background: var(--bg2); }
.filter-btn.active { background: var(--gold); color: #080808; }

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
}
.portfolio-item {
  background: var(--bg);
  overflow: hidden;
  transition: all 0.4s var(--ease);
}
.portfolio-item.hidden { display: none; }
.portfolio-thumb {
  aspect-ratio: 16/9;
  overflow: hidden;
}
.portfolio-thumb iframe { width: 100%; height: 100%; border: none; display: block; }

/* Vignette vidéo cliquable */
.video-thumb {
  display: block;
  width: 100%;
  padding: 0;
  border: none;
  position: relative;
  cursor: pointer;
  background: var(--bg2);
}
.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s var(--ease), filter 0.4s ease;
  filter: grayscale(15%) brightness(0.85);
}
.play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(8,8,8,0.55);
  border: 1px solid rgba(255,255,255,0.5);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  transition: background 0.3s ease, transform 0.3s var(--ease), border-color 0.3s ease;
}
.play-btn svg { width: 22px; height: 22px; margin-left: 2px; }
.video-thumb:hover img { transform: scale(1.06); filter: grayscale(0%) brightness(1); }
.video-thumb:hover .play-btn,
.video-thumb:focus-visible .play-btn {
  background: var(--gold);
  border-color: var(--gold);
  color: #080808;
  transform: translate(-50%, -50%) scale(1.1);
}
.video-thumb:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }

/* ===== LIGHTBOX ===== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 5vw;
  background: rgba(4,4,4,0.92);
  backdrop-filter: blur(8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}
.lightbox.open { opacity: 1; pointer-events: all; }
.lightbox-inner {
  width: 100%;
  max-width: 1100px;
  aspect-ratio: 16/9;
  transform: scale(0.96);
  transition: transform 0.35s var(--ease);
}
.lightbox.open .lightbox-inner { transform: scale(1); }
.lightbox-video, .lightbox-video iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}
.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--border);
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}
.lightbox-close svg { width: 22px; height: 22px; }
.lightbox-close:hover { background: var(--gold); color: #080808; transform: rotate(90deg); }
.placeholder-thumb {
  background: var(--bg2);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.3s;
}
.placeholder-thumb:hover { background: var(--bg3); }
.placeholder-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-dim);
  opacity: 0.4;
  pointer-events: none;
}
.placeholder-inner svg { width: 36px; height: 36px; }
.placeholder-inner span { font-size: 0.65rem; letter-spacing: 0.15em; text-transform: uppercase; }
.portfolio-info {
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--border);
}
.portfolio-tag {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  display: block;
  margin-bottom: 0.4rem;
}
.portfolio-tag--soon {
  color: var(--text-dim);
  opacity: 0.7;
}
.portfolio-info h3 { font-size: 1.05rem; color: var(--text); margin-bottom: 0.25rem; }
.portfolio-info p { font-size: 0.82rem; }

/* ===== CONTACT ===== */
#contact { background: var(--bg2); }

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: start;
}
.contact-left h2 { margin-top: 0.5rem; margin-bottom: 1rem; }
.contact-left > p { margin-bottom: 1.5rem; }
.contact-note {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: var(--gold-dim);
  border-left: 2px solid var(--gold);
}
.contact-note svg { width: 18px; height: 18px; color: var(--gold); flex-shrink: 0; }
.contact-note span { font-size: 0.82rem; color: var(--text-dim); }

/* FORM */
.contact-form { display: flex; flex-direction: column; gap: 1rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

.form-group { position: relative; }
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 1.1rem 1rem 0.5rem;
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  outline: none;
  transition: border-color 0.2s;
  appearance: none;
  -webkit-appearance: none;
  resize: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--gold);
}
.form-group label,
.form-group .select-label {
  position: absolute;
  top: 50%;
  left: 1rem;
  transform: translateY(-50%);
  font-size: 0.82rem;
  color: var(--text-dim);
  pointer-events: none;
  transition: top 0.2s ease, font-size 0.2s ease, color 0.2s ease;
}
.form-group textarea ~ label { top: 1.1rem; transform: none; }
.form-group input:not(:placeholder-shown) ~ label,
.form-group input:focus ~ label,
.form-group textarea:not(:placeholder-shown) ~ label,
.form-group textarea:focus ~ label {
  top: 0.45rem;
  font-size: 0.65rem;
  color: var(--gold);
  transform: none;
}
/* Select label */
.form-group select ~ .select-label {
  top: 50%; transform: translateY(-50%);
}
.form-group select:valid ~ .select-label,
.form-group select:focus ~ .select-label {
  top: 0.45rem;
  font-size: 0.65rem;
  color: var(--gold);
  transform: none;
}
.form-group select option { background: var(--bg3); }

/* Select arrow */
.form-group::after {
  content: none;
}
.form-group:has(select)::after {
  content: '';
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-right: 1px solid var(--text-dim);
  border-bottom: 1px solid var(--text-dim);
  transform: translateY(-70%) rotate(45deg);
  pointer-events: none;
}

.form-success {
  text-align: center;
  color: var(--gold) !important;
  font-size: 0.88rem;
  padding: 1rem;
  border: 1px solid var(--gold-dim);
}
.form-error {
  text-align: center;
  color: #d98a8a !important;
  font-size: 0.85rem;
  padding: 0.85rem;
  border: 1px solid rgba(217,138,138,0.3);
}

/* ===== TARIFS ===== */
#tarifs { background: var(--bg); }
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.pricing-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: border-color 0.3s ease, transform 0.3s var(--ease);
}
.pricing-card:hover { border-color: var(--gold-dim); transform: translateY(-4px); }
.pricing-card--featured {
  border-color: var(--gold);
  background: var(--bg3);
}
.pricing-badge {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--gold);
  color: #080808;
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.3rem 0.9rem;
  white-space: nowrap;
}
.pricing-tag {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: var(--text);
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}
.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  margin-bottom: 2rem;
  flex-grow: 1;
}
.pricing-features li {
  font-size: 0.85rem;
  color: var(--text-dim);
  padding-left: 1.5rem;
  position: relative;
  line-height: 1.5;
}
.pricing-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.45rem;
  width: 12px;
  height: 7px;
  border-left: 1.5px solid var(--gold);
  border-bottom: 1.5px solid var(--gold);
  transform: rotate(-45deg);
}
.pricing-note {
  text-align: center;
  margin-top: 2.5rem;
  font-size: 0.82rem;
  color: var(--text-dim);
}

/* ===== FOOTER ===== */
#footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 3rem 0;
}
.footer-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}
.footer-brand .nav-logo { display: block; margin-bottom: 0.5rem; font-size: 1.3rem; }
.footer-brand p { font-size: 0.78rem; line-height: 1.6; }
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.footer-links a { font-size: 0.78rem; color: var(--text-dim); transition: color 0.2s; }
.footer-links a:hover { color: var(--gold); }
.footer-legal { text-align: right; }
.footer-legal p { font-size: 0.75rem; line-height: 1.7; }

/* ===== RESPONSIVE ===== */
@media (max-width: 960px) {
  .services-grid { grid-template-columns: 1fr; gap: 1px; }
  .about-inner { grid-template-columns: 1fr; gap: 3rem; }
  .about-badge { right: 0; bottom: -1rem; }
  .contact-inner { grid-template-columns: 1fr; gap: 3rem; }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; gap: 2rem; max-width: 480px; margin: 0 auto; }
  .pricing-card--featured { order: -1; }
}

@media (max-width: 640px) {
  section { padding: 4.5rem 0; }
  .nav-links { display: none; }
  .nav-burger { display: flex; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-legal { text-align: left; }
  .portfolio-filters { overflow-x: auto; width: 100%; }
  .about-stats { gap: 1.5rem; }
}