/* ===== VARIABLES ===== */
:root {
  --orange: #C85A00;
  --orange-light: #D4692A;
  --black: #0a0a0a;
  --dark: #111111;
  --white: #ffffff;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter', sans-serif; background: var(--black); color: var(--white); overflow-x: hidden; }

/* ===== NAV ===== */
nav { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: var(--black); display: flex; align-items: center; justify-content: space-between; padding: 0 40px; height: 70px; border-bottom: 1px solid #222; }
.nav-logo { display: flex; align-items: center; text-decoration: none; }
.logo-icon { width: 48px; height: 48px; object-fit: contain; mix-blend-mode: screen; }
.nav-links { display: flex; align-items: center; gap: 36px; list-style: none; }
.nav-links a { color: var(--white); text-decoration: none; font-size: 13px; font-weight: 500; letter-spacing: 1.5px; text-transform: uppercase; opacity: 0.7; position: relative; transition: opacity 0.3s; }
.nav-links a::after { content: ''; position: absolute; bottom: -5px; left: 0; width: 0; height: 2px; background: var(--orange); transition: width 0.35s ease; }
.nav-links a:hover { opacity: 1; }
.nav-links a.active { opacity: 1; }
.nav-links a.active::after { width: 100%; }
.nav-right { display: flex; align-items: center; gap: 16px; }
.btn-reserve { background: var(--orange); color: var(--white); padding: 10px 22px; font-size: 12px; font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase; text-decoration: none; transition: background 0.2s; white-space: nowrap; }
.btn-reserve:hover { background: var(--orange-light); }
.mobile-menu-btn { display: none; background: none; border: none; color: white; font-size: 26px; cursor: pointer; padding: 4px 8px; line-height: 1; }

/* ===== PAGES ===== */
#accueil { padding-top: 70px; }
section.page { scroll-margin-top: 70px; }

/* ===== HERO ===== */
.hero { position: relative; min-height: calc(100vh - 70px); display: flex; align-items: center; overflow: hidden; background: #0a0a0a; }
.hero-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.45; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(to right, rgba(0,0,0,0.75) 40%, rgba(0,0,0,0.2) 100%); }
.hero-content { position: relative; z-index: 2; padding: 60px 80px; max-width: 680px; }
.hero-tag { font-size: 11px; letter-spacing: 4px; text-transform: uppercase; color: var(--orange); margin-bottom: 20px; }
.hero-title { font-family: 'Bebas Neue', sans-serif; font-size: clamp(64px, 10vw, 130px); line-height: 0.9; color: var(--white); margin-bottom: 28px; }
.hero-title span { color: var(--orange); }
.hero-sub { font-size: 15px; line-height: 1.75; color: rgba(255,255,255,0.65); max-width: 420px; margin-bottom: 36px; }
.hero-cta { display: inline-block; background: var(--orange); color: var(--white); padding: 14px 36px; font-size: 12px; font-weight: 600; letter-spacing: 2px; text-transform: uppercase; text-decoration: none; transition: background 0.2s, transform 0.2s; margin-bottom: 40px; }
.hero-cta:hover { background: var(--orange-light); transform: translateY(-2px); }

/* ===== LOCALISATION ===== */
.hero-location { display: flex; flex-direction: column; gap: 10px; }
.location-top { display: flex; align-items: center; gap: 8px; }
.location-city { font-size: 15px; font-weight: 600; color: var(--white); letter-spacing: 1px; }
.location-city span { color: rgba(255,255,255,0.5); font-weight: 400; }
.location-transports { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.transport-badge { display: flex; align-items: center; justify-content: center; width: 30px; height: 30px; border-radius: 6px; font-size: 12px; font-weight: 800; letter-spacing: 0; }
.transport-badge.rer { background: #6e6e6e; color: white; font-size: 10px; letter-spacing: 0.5px; }
.transport-badge.line-j { background: #f0b000; color: #000; }
.transport-badge.line-l { background: #c8a4c8; color: #000; }
.transport-badge.tram { background: transparent; color: #4db6e6; border: 2px solid #4db6e6; font-size: 10px; font-weight: 700; width: 34px; }
.transport-sep { color: rgba(255,255,255,0.3); font-size: 16px; }
.transport-bus { font-size: 13px; color: rgba(255,255,255,0.6); font-weight: 500; }

/* ===== À PROPOS ===== */
.section-about { display: grid; grid-template-columns: 1fr 1fr; min-height: 600px; }
.about-img { overflow: hidden; }
.about-img img { width: 100%; height: 100%; object-fit: cover; object-position: center; display: block; min-height: 500px; }
.about-content { background: linear-gradient(160deg, #c05500 0%, #8a3800 60%, #5a2200 100%); padding: 60px 55px; display: flex; flex-direction: column; justify-content: center; gap: 24px; }
.about-content h2 { font-family: 'Bebas Neue', sans-serif; font-size: clamp(44px, 5vw, 80px); line-height: 0.9; color: var(--white); }
.about-content > p { font-size: 15px; line-height: 1.8; color: rgba(255,255,255,0.85); }
.about-content strong { color: var(--white); font-weight: 600; }
.spotify-wrap { display: flex; flex-direction: column; gap: 10px; }
.spotify-label { font-size: 10px; letter-spacing: 2px; text-transform: uppercase; color: rgba(255,255,255,0.5); }
.card-project { background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.2); padding: 24px 28px; }
.card-project h4 { font-size: 10px; letter-spacing: 2px; text-transform: uppercase; color: var(--white); margin-bottom: 10px; }
.card-project p { font-size: 14px; color: rgba(255,255,255,0.7); line-height: 1.6; }

/* ===== STUDIOS ===== */
.page-header { padding: 60px 80px 40px; border-bottom: 1px solid #222; }
.page-header h1 { font-family: 'Bebas Neue', sans-serif; font-size: clamp(48px, 7vw, 90px); line-height: 0.9; }
.page-header h1 span { color: var(--orange); }
.studio-section { display: grid; grid-template-columns: 1fr 1fr; min-height: 500px; border-bottom: 1px solid #1a1a1a; }
.studio-section.reverse { direction: rtl; }
.studio-section.reverse > * { direction: ltr; }
.studio-info { padding: 60px 55px; display: flex; flex-direction: column; justify-content: center; gap: 20px; background: var(--dark); }
.studio-info h2 { font-family: 'Bebas Neue', sans-serif; font-size: clamp(40px, 5vw, 68px); color: var(--orange); line-height: 1; }
.studio-info p { font-size: 15px; line-height: 1.8; color: rgba(255,255,255,0.65); }
.btn-galerie { display: inline-block; background: var(--orange); color: var(--white); padding: 12px 28px; font-size: 11px; font-weight: 600; letter-spacing: 2px; text-transform: uppercase; cursor: pointer; border: none; transition: background 0.2s; width: fit-content; }
.btn-galerie:hover { background: var(--orange-light); }
.studio-gallery { position: relative; overflow: hidden; min-height: 460px; }
.gallery-slider { position: relative; width: 100%; height: 100%; min-height: 460px; }
.gallery-slide { position: absolute; inset: 0; opacity: 0; transition: opacity 0.5s; }
.gallery-slide.active { opacity: 1; }
.gallery-slide img { width: 100%; height: 100%; object-fit: cover; display: block; cursor: zoom-in; }
.gallery-nav { position: absolute; bottom: 16px; left: 50%; transform: translateX(-50%); display: flex; gap: 8px; z-index: 10; }
.gallery-dot { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,0.3); cursor: pointer; border: none; transition: background 0.2s; }
.gallery-dot.active { background: var(--orange); }
.gallery-arrow { position: absolute; top: 50%; transform: translateY(-50%); background: rgba(0,0,0,0.5); border: none; color: white; width: 40px; height: 40px; cursor: pointer; z-index: 10; font-size: 22px; display: flex; align-items: center; justify-content: center; transition: background 0.2s; }
.gallery-arrow:hover { background: var(--orange); }
.gallery-arrow.prev { left: 12px; }
.gallery-arrow.next { right: 12px; }

/* ===== TARIFS ===== */
.tarifs-intro { padding: 50px 80px; text-align: center; border-bottom: 1px solid #1a1a1a; }
.tarifs-intro p { font-size: 15px; color: rgba(255,255,255,0.5); max-width: 500px; margin: 0 auto; line-height: 1.8; }
.studio-tarif-block { padding: 60px 80px; border-bottom: 1px solid #1a1a1a; position: relative; overflow: hidden; }
.studio-tarif-block.dark { background: #0d0d0d; }
.tarif-bg { position: absolute; inset: 0; background-size: cover; background-position: center; filter: blur(4px); transform: scale(1.05); opacity: 0.15; pointer-events: none; }
.tarif-header { margin-bottom: 36px; position: relative; }
.tarif-header h2 { font-family: 'Bebas Neue', sans-serif; font-size: clamp(36px, 5vw, 62px); color: var(--white); line-height: 1; margin-bottom: 10px; }
.tarif-header p { font-size: 14px; color: rgba(255,255,255,0.5); max-width: 500px; line-height: 1.7; }
.tarif-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; position: relative; }
.tarif-card { background: var(--white); color: var(--black); padding: 32px 28px; }
.tarif-card h4 { font-size: 10px; letter-spacing: 2px; text-transform: uppercase; color: #666; font-weight: 600; margin-bottom: 14px; }
.price { font-family: 'Bebas Neue', sans-serif; font-size: 52px; color: var(--orange); line-height: 1; margin-bottom: 8px; }
.price-devis { font-family: 'Bebas Neue', sans-serif; font-size: 36px; color: var(--orange); line-height: 1.1; margin-bottom: 8px; }
.detail { font-size: 12px; color: #666; }

/* MIXAGE */
.mixage-block { padding: 80px 40px; text-align: center; position: relative; overflow: hidden; border-bottom: 1px solid #1a1a1a; }
.mixage-block h2 { font-family: 'Bebas Neue', sans-serif; font-size: clamp(40px, 6vw, 78px); color: var(--white); margin-bottom: 48px; position: relative; z-index: 1; }
.mixage-cards { display: flex; justify-content: center; gap: 20px; flex-wrap: wrap; position: relative; z-index: 1; }
.mixage-card { background: var(--white); color: var(--black); padding: 28px 36px; text-align: center; min-width: 160px; }
.mixage-card h4 { font-size: 10px; letter-spacing: 2px; text-transform: uppercase; color: #666; margin-bottom: 12px; font-weight: 600; }
.mixage-card .detail { font-size: 12px; color: #888; }

/* ===== CONTACT ===== */
.section-contact { background: var(--orange); padding: 80px 40px; scroll-margin-top: 70px; }
.section-contact h2 { font-family: 'Bebas Neue', sans-serif; font-size: clamp(40px, 7vw, 78px); text-align: center; color: var(--white); margin-bottom: 50px; }
.contact-form-wrap { max-width: 740px; margin: 0 auto; background: var(--white); padding: 50px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.form-group { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }
.form-group label { font-size: 11px; letter-spacing: 1.5px; text-transform: uppercase; color: #333; font-weight: 600; }
.form-group input, .form-group select, .form-group textarea { border: 1.5px solid #ddd; padding: 13px 16px; font-size: 14px; font-family: 'Inter', sans-serif; color: #111; background: #f9f9f9; outline: none; transition: border-color 0.2s; width: 100%; -webkit-appearance: none; appearance: none; border-radius: 0; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--orange); background: #fff; }
.form-group textarea { min-height: 110px; resize: vertical; }
.select-wrap { position: relative; }
.select-wrap::after { content: '▾'; position: absolute; right: 16px; top: 50%; transform: translateY(-50%); color: #666; pointer-events: none; }
.btn-submit { width: 100%; background: var(--orange); color: var(--white); border: none; padding: 16px; font-size: 13px; font-weight: 600; letter-spacing: 2px; text-transform: uppercase; cursor: pointer; transition: background 0.2s; font-family: 'Inter', sans-serif; border-radius: 0; }
.btn-submit:hover { background: var(--orange-light); }

/* ===== FOOTER ===== */
footer { background: var(--black); border-top: 1px solid #1a1a1a; padding: 40px 60px 0; }
.footer-top { display: flex; align-items: center; justify-content: space-between; padding-bottom: 30px; }
.footer-info { display: flex; align-items: center; gap: 20px; }
.footer-logo { width: 50px; height: 50px; object-fit: contain; mix-blend-mode: screen; }
.footer-contact p { font-size: 14px; color: rgba(255,255,255,0.6); margin-bottom: 4px; }
.footer-social { display: flex; gap: 12px; }
.social-btn { width: 38px; height: 38px; border-radius: 50%; display: flex; align-items: center; justify-content: center; text-decoration: none; transition: transform 0.2s; }
.social-btn:hover { transform: scale(1.1); }
.social-ig { background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); }
.social-tk { background: #000; border: 1px solid #333; }
.footer-big { font-family: 'Bebas Neue', sans-serif; font-size: clamp(48px, 10vw, 140px); line-height: 0.85; color: #1a1a1a; -webkit-text-stroke: 1.5px #555; padding-bottom: 10px; user-select: none; }
.footer-bottom { border-top: 1px solid #1a1a1a; padding: 14px 0; text-align: right; font-size: 11px; color: #444; }

/* ===== TOAST ===== */
.toast { position: fixed; bottom: 30px; right: 30px; background: #1a1a1a; border: 1px solid var(--orange); color: white; padding: 16px 24px; font-size: 13px; z-index: 9999; transform: translateY(100px); opacity: 0; transition: all 0.3s; pointer-events: none; }
.toast.show { transform: translateY(0); opacity: 1; }
.toast.error { border-color: #e74c3c; }
.toast.success { border-color: #2ecc71; }

/* ===== LIGHTBOX ===== */
.lightbox { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.95); z-index: 9999; align-items: center; justify-content: center; }
.lightbox.open { display: flex; }
.lightbox > img { max-width: 92vw; max-height: 92vh; object-fit: contain; }
.lightbox-close { position: absolute; top: 20px; right: 24px; color: white; font-size: 40px; cursor: pointer; background: none; border: none; line-height: 1; opacity: 0.7; }
.lightbox-close:hover { opacity: 1; }
.lightbox-arrow { position: absolute; top: 50%; transform: translateY(-50%); background: rgba(255,255,255,0.1); border: none; color: white; font-size: 28px; width: 50px; height: 50px; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: background 0.2s; }
.lightbox-arrow:hover { background: var(--orange); }
.lightbox-arrow.prev { left: 16px; }
.lightbox-arrow.next { right: 16px; }

/* ===== ANIMATIONS ===== */
.fade-in { opacity: 0; transform: translateY(36px); transition: opacity 0.7s ease, transform 0.7s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ====================================================
   RESPONSIVE — TABLET (max 1024px)
   ==================================================== */
@media (max-width: 1024px) {
  .hero-content { padding: 40px 50px; }
  .page-header { padding: 50px 50px 30px; }
  .studio-tarif-block { padding: 50px; }
  .tarifs-intro { padding: 40px 50px; }
  .about-content { padding: 50px 40px; }
  .studio-info { padding: 50px 40px; }
  .tarif-cards { grid-template-columns: 1fr 1fr; }
}

/* ====================================================
   RESPONSIVE — MOBILE (max 768px)
   ==================================================== */
@media (max-width: 768px) {

  /* Nav */
  nav { padding: 0 20px; height: 60px; }
  #accueil { padding-top: 60px; }
  section.page { scroll-margin-top: 60px; }
  .section-contact { scroll-margin-top: 60px; }

  .nav-links {
    display: none;
    position: fixed;
    top: 60px; left: 0; right: 0; bottom: 0;
    background: rgba(10,10,10,0.98);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 32px;
    z-index: 998;
  }
  .nav-links.open { display: flex; }
  .nav-links a { font-size: 18px; letter-spacing: 3px; }
  .mobile-menu-btn { display: block; }
  .btn-reserve { padding: 8px 16px; font-size: 11px; }

  /* Hero */
  .hero { min-height: calc(100svh - 60px); align-items: flex-end; padding-bottom: 40px; }
  .hero-content { padding: 0 24px 0; max-width: 100%; }
  .hero-title { font-size: clamp(52px, 16vw, 80px); }
  .hero-sub { font-size: 14px; max-width: 100%; margin-bottom: 28px; }
  .hero-cta { padding: 12px 28px; font-size: 11px; margin-bottom: 28px; }
  .hero-overlay { background: linear-gradient(to top, rgba(0,0,0,0.85) 30%, rgba(0,0,0,0.3) 100%); }

  /* Location */
  .transport-badge { width: 26px; height: 26px; font-size: 11px; }
  .transport-badge.tram { width: 30px; font-size: 9px; }
  .transport-bus { font-size: 12px; }

  /* À propos — CLEF : empilé verticalement sur mobile */
  .section-about {
    display: flex;
    flex-direction: column;
  }
  .about-img { height: 280px; flex-shrink: 0; }
  .about-img img { min-height: unset; height: 280px; width: 100%; }
  .about-content { padding: 36px 24px; gap: 20px; }
  .about-content h2 { font-size: clamp(40px, 12vw, 60px); }

  /* Studios */
  .page-header { padding: 36px 24px 24px; }
  .studio-section { display: flex; flex-direction: column; min-height: unset; }
  .studio-section.reverse { direction: ltr; flex-direction: column; }
  .studio-info { padding: 36px 24px; gap: 16px; }
  .studio-gallery { min-height: 260px; }
  .gallery-slider { min-height: 260px; }
  .gallery-slide img { cursor: default; } /* pas de zoom sur mobile */

  /* Tarifs */
  .tarifs-intro { padding: 36px 24px; }
  .studio-tarif-block { padding: 36px 24px; }
  .tarif-cards { grid-template-columns: 1fr; gap: 12px; }
  .mixage-block { padding: 40px 24px; }
  .mixage-cards { flex-direction: column; align-items: center; }
  .mixage-card { width: 100%; max-width: 320px; }

  /* Contact */
  .section-contact { padding: 50px 20px; }
  .contact-form-wrap { padding: 28px 20px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }

  /* Footer */
  footer { padding: 36px 24px 0; }
  .footer-top { flex-direction: column; gap: 20px; align-items: flex-start; }

  /* Lightbox flèches */
  .lightbox-arrow { width: 40px; height: 40px; font-size: 22px; }
  .lightbox-arrow.prev { left: 8px; }
  .lightbox-arrow.next { right: 8px; }
}

/* ====================================================
   RESPONSIVE — PETIT MOBILE (max 400px)
   ==================================================== */
@media (max-width: 400px) {
  nav { padding: 0 14px; }
  .btn-reserve { display: none; }
  .hero-title { font-size: 48px; }
  .price { font-size: 42px; }
}