/* ================================================
   MUSIC PRIVATE EVENTS — style.css
   ================================================
   TABLE DES MATIÈRES :
   1. VARIABLES CSS (couleurs, polices, espacements)
   2. RESET & BASE
   3. NAVIGATION
   4. HERO
   5. À PROPOS
   6. PRESTATIONS
   7. BANDEAU RÉFÉRENCES
   8. CONTACT
   9. PIED DE PAGE
   10. UTILITAIRES & BOUTONS
   11. RESPONSIVE (tablette & mobile)
   ================================================ */


/* ================================================
   1. VARIABLES CSS
   ════════════════════════════════════════════════
   ★ C'EST ICI QUE VOUS POUVEZ TOUT MODIFIER ★

   Pour changer une couleur, modifiez uniquement
   la valeur à droite des deux points.
   Le changement s'appliquera partout sur le site.
   ================================================ */
:root {
  /* — Couleurs principales — */
  --color-bg:         #140A07;   /* fond sombre (brun nuit) */
  --color-bg-alt:     #1C0F0B;   /* fond légèrement plus clair (sections alternées) */
  --color-surface:    #251209;   /* cartes, formulaires */
  --color-border:     #3A1A0E;   /* bordures subtiles */

  --color-gold:       #EDB334;   /* or ambré — boutons, accents principaux */
  --color-gold-light: #F5CB6A;   /* or clair — hover */
  --color-bordeaux:   #701708;   /* rouge bordeaux — accents secondaires */
  --color-brown:      #210B08;   /* brun très sombre */

  --color-text:       #F0E8DC;   /* texte principal (blanc cassé chaud) */
  --color-text-muted: #9A8070;   /* texte secondaire, labels */
  --color-text-light: #C4A882;   /* texte intermédiaire */

  /* — Polices — */
  /* Pour changer les polices :
     1. Modifiez les noms ici
     2. Modifiez aussi le lien Google Fonts dans index.html */
  --font-display: 'Cormorant Garamond', Georgia, serif;  /* titres élégants */
  --font-body:    'Jost', system-ui, sans-serif;          /* corps de texte */

  /* — Espacements — */
  --space-xs:   0.5rem;    /*  8px */
  --space-sm:   1rem;      /* 16px */
  --space-md:   2rem;      /* 32px */
  --space-lg:   4rem;      /* 64px */
  --space-xl:   7rem;      /* 112px */

  /* — Bordures & Effets — */
  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  16px;
  --shadow-gold: 0 0 40px rgba(237, 179, 52, 0.08);
  --transition:  0.3s ease;

  /* — Largeur max du contenu — */
  --max-width: 1200px;
}


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

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

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul {
  list-style: none;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

/* Séparateur décoratif doré */
.section-eyebrow {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.section-eyebrow::before {
  content: '';
  display: inline-block;
  width: 2rem;
  height: 1px;
  background: var(--color-gold);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 300;
  line-height: 1.2;
  color: var(--color-text);
  margin-bottom: var(--space-md);
}
.section-title em {
  font-style: italic;
  color: var(--color-gold);
}

.section-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-md);
}


/* ================================================
   3. NAVIGATION
   ================================================ */
.nav-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-sm) 0;
  transition: background var(--transition), padding var(--transition);
}

/* Fond au scroll (ajouté par JS) */
.nav-header.scrolled {
  background: rgba(20, 10, 7, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  padding: 0.6rem 0;
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--color-gold);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav-link {
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color var(--transition);
}
.nav-link:hover {
  color: var(--color-gold);
}

/* Bouton CTA dans la nav */
.nav-link--cta {
  color: var(--color-gold) !important;
  border: 1px solid var(--color-gold);
  padding: 0.4rem 1.2rem;
  border-radius: 2px;
}
.nav-link--cta:hover {
  background: var(--color-gold);
  color: var(--color-bg) !important;
}

/* Burger menu (mobile) */
.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-burger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--color-gold);
  transition: transform var(--transition), opacity var(--transition);
}


/* ================================================
   4. HERO
   ================================================ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;

  /* ★ POUR CHANGER LA PHOTO DE FOND :
     Remplacez "images/hero.webp" par votre fichier ★ */
  background-image: url('images/hero.webp');
  background-size: cover;
  background-position: center top;
  background-attachment: fixed;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(20, 10, 7, 0.55) 0%,
    rgba(20, 10, 7, 0.35) 40%,
    rgba(20, 10, 7, 0.75) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: var(--space-md);
  max-width: 800px;
  animation: heroFadeIn 1.4s ease both;
}

@keyframes heroFadeIn {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero__eyebrow {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-md);
  animation: heroFadeIn 1.4s 0.2s ease both;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 300;
  line-height: 1.1;
  color: #fff;
  margin-bottom: var(--space-sm);
  animation: heroFadeIn 1.4s 0.4s ease both;
}
.hero__title em {
  font-style: italic;
  color: var(--color-gold);
}

.hero__subtitle {
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(240, 232, 220, 0.7);
  margin-bottom: var(--space-lg);
  animation: heroFadeIn 1.4s 0.6s ease both;
}

/* Indicateur de scroll */
.hero__scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}
.hero__scroll-hint span {
  display: block;
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, transparent, var(--color-gold));
  animation: scrollPulse 2s infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50%       { opacity: 1;   transform: scaleY(1.1); }
}


/* ================================================
   5. À PROPOS
   ================================================ */
.apropos {
  background-color: var(--color-bg-alt);
}

.apropos__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.apropos__image-wrap {
  position: relative;
}

.apropos__image {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  object-position: center top;
  border-radius: var(--radius-sm);
  filter: grayscale(20%);
  transition: filter var(--transition);
}
.apropos__image:hover {
  filter: grayscale(0%);
}

/* Cadre décoratif doré derrière la photo */
.apropos__image-deco {
  position: absolute;
  bottom: -1rem;
  right: -1rem;
  width: 70%;
  height: 70%;
  border: 1px solid var(--color-gold);
  opacity: 0.25;
  border-radius: var(--radius-sm);
  pointer-events: none;
}

.apropos__bio p {
  color: var(--color-text-light);
  margin-bottom: var(--space-sm);
  font-size: 1rem;
}
.apropos__bio strong {
  color: var(--color-text);
  font-weight: 400;
}

/* Liste des références */
.apropos__refs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin: var(--space-md) 0;
}
.apropos__refs li {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gold);
  border: 1px solid rgba(237, 179, 52, 0.3);
  padding: 0.3rem 0.8rem;
  border-radius: 2px;
}


/* ================================================
   6. PRESTATIONS
   ================================================ */
.prestations {
  background-color: var(--color-bg);
}

.prestations .section-container {
  text-align: center;
}

.prestations__intro {
  max-width: 560px;
  margin: 0 auto var(--space-xl);
  color: var(--color-text-muted);
  font-size: 1rem;
}

.prestations__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  text-align: left;
}

/* Carte prestation */
.prestation-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.prestation-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-gold), 0 20px 60px rgba(0,0,0,0.4);
  border-color: rgba(237, 179, 52, 0.3);
}

.prestation-card__image-wrap {
  position: relative;
  overflow: hidden;
}
.prestation-card__image {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.prestation-card:hover .prestation-card__image {
  transform: scale(1.04);
}

/* Badge numéro de formule */
.prestation-card__badge {
  position: absolute;
  top: var(--space-sm);
  left: var(--space-sm);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-bg);
  background: var(--color-gold);
  padding: 0.25rem 0.75rem;
  border-radius: 2px;
}

.prestation-card__body {
  padding: var(--space-md);
}

.prestation-card__title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.prestation-card__desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

/* Vignette vidéo YouTube */
.video-wrap {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
}

.video-thumbnail {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
}
.video-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease, filter 0.4s ease;
  filter: brightness(0.7);
}
.video-wrap:hover .video-thumbnail img {
  transform: scale(1.04);
  filter: brightness(0.9);
}

/* Bouton play */
.video-play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}
.video-play-btn svg {
  width: 52px;
  height: 52px;
  background: rgba(237, 179, 52, 0.9);
  border-radius: 50%;
  padding: 12px 10px 12px 14px;
  transition: background var(--transition), transform var(--transition);
  box-shadow: 0 4px 20px rgba(0,0,0,0.5);
}
.video-wrap:hover .video-play-btn svg {
  background: var(--color-gold);
  transform: scale(1.1);
}

/* iFrame YouTube (après clic) */
.video-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}


/* ================================================
   7. BANDEAU RÉFÉRENCES (défilement infini)
   ================================================ */
.refs-band {
  background: var(--color-bordeaux);
  overflow: hidden;
  padding: 0.9rem 0;
  border-top: 1px solid rgba(237, 179, 52, 0.15);
  border-bottom: 1px solid rgba(237, 179, 52, 0.15);
}

.refs-band__track {
  display: flex;
  gap: var(--space-md);
  white-space: nowrap;
  animation: ticker 30s linear infinite;
}
.refs-band__track span {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 230, 180, 0.85);
  flex-shrink: 0;
}

@keyframes ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}


/* ================================================
   8. CONTACT
   ================================================ */
.contact {
  background-color: var(--color-bg-alt);
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--space-xl);
  align-items: start;
}

.contact__text {
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  font-size: 1rem;
}

.contact__detail p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-xs);
}

/* Formulaire */
.contact__form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.form-group--full {
  grid-column: 1 / -1;
}

.form-label {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.form-input {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 300;
  padding: 0.75rem 1rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
}
.form-input:focus {
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(237, 179, 52, 0.1);
}
.form-input::placeholder {
  color: var(--color-text-muted);
  opacity: 0.6;
}

.form-select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239A8070' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}
.form-select option {
  background: var(--color-surface);
  color: var(--color-text);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* Message de succès */
.form-success {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--color-gold);
  font-size: 0.9rem;
  padding: var(--space-sm);
  border: 1px solid rgba(237, 179, 52, 0.3);
  border-radius: var(--radius-sm);
}


/* ================================================
   9. PIED DE PAGE
   ================================================ */
.footer {
  background: var(--color-brown);
  border-top: 1px solid var(--color-border);
  padding: var(--space-lg) var(--space-md);
  text-align: center;
}

.footer__container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.footer__name {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--color-gold);
  margin-bottom: var(--space-xs);
}

.footer__tagline {
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.footer__copy {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  opacity: 0.6;
}


/* ================================================
   10. UTILITAIRES & BOUTONS
   ================================================ */

/* Bouton doré principal */
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  border-radius: 2px;
  padding: 0.9rem 2.2rem;
  cursor: pointer;
  transition: background var(--transition), color var(--transition),
              box-shadow var(--transition), transform var(--transition);
  border: none;
  text-decoration: none;
}

.btn--gold {
  background: var(--color-gold);
  color: var(--color-bg);
}
.btn--gold:hover {
  background: var(--color-gold-light);
  box-shadow: 0 6px 24px rgba(237, 179, 52, 0.35);
  transform: translateY(-2px);
}

.btn--outline {
  background: transparent;
  color: var(--color-gold);
  border: 1px solid var(--color-gold);
}
.btn--outline:hover {
  background: var(--color-gold);
  color: var(--color-bg);
}

.btn--full {
  width: 100%;
  text-align: center;
  display: block;
}


/* ================================================
   11. RESPONSIVE — TABLETTE & MOBILE
   ================================================ */

/* — Tablette (≤ 1024px) — */
@media (max-width: 1024px) {
  .prestations__grid {
    grid-template-columns: 1fr;
    max-width: 560px;
    margin: 0 auto;
  }

  .apropos__grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  .apropos__image {
    aspect-ratio: 16/9;
    object-position: center 20%;
  }
  .apropos__image-deco {
    display: none;
  }

  .contact__grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
}

/* — Mobile (≤ 768px) — */
@media (max-width: 768px) {
  :root {
    --space-lg: 3rem;
    --space-xl: 4rem;
  }

  /* Navigation mobile */
  .nav-burger {
    display: flex;
    z-index: 1001;
  }

  .nav-menu {
    position: fixed;
    inset: 0;
    background: rgba(20, 10, 7, 0.98);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    transform: translateX(100%);
    transition: transform 0.4s ease;
  }
  .nav-menu.open {
    transform: translateX(0);
  }
  .nav-link {
    font-size: 1.1rem;
    letter-spacing: 0.1em;
  }
  .nav-link--cta {
    padding: 0.7rem 2rem;
  }

  /* Burger → Croix */
  .nav-burger.open span:nth-child(1) {
    transform: translateY(6.5px) rotate(45deg);
  }
  .nav-burger.open span:nth-child(2) {
    opacity: 0;
  }
  .nav-burger.open span:nth-child(3) {
    transform: translateY(-6.5px) rotate(-45deg);
  }

  /* Hero */
  .hero {
    background-attachment: scroll; /* fix performance mobile */
  }

  /* Formulaire en 1 colonne */
  .contact__form {
    grid-template-columns: 1fr;
  }

  /* Section container */
  .section-container {
    padding: var(--space-xl) var(--space-sm);
  }
}

/* — Très petit mobile (≤ 400px) — */
@media (max-width: 400px) {
  .hero__title {
    font-size: 2.2rem;
  }
}

/* Lien vidéo externe (ouvre YouTube dans un nouvel onglet) */
.video-external {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-decoration: none;
}
.video-external img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.7);
  transition: transform 0.4s ease, filter 0.4s ease;
}
.video-external:hover img {
  transform: scale(1.04);
  filter: brightness(0.9);
}
.video-external__label {
  position: absolute;
  bottom: var(--space-sm);
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  white-space: nowrap;
}

/* Titre hero sans italique, police corps de texte */
.hero__title--plain {
  font-family: var(--font-body);
  font-style: normal;
  font-weight: 300;
  letter-spacing: 0.05em;
}
.hero__title--plain em {
  font-style: normal;
  color: var(--color-gold);
}

/* Titre contact sans italique, police corps de texte */
.contact__title--plain {
  font-family: var(--font-body);
  font-style: normal;
  font-weight: 300;
  letter-spacing: 0.05em;
}

/* Liens de contact (téléphone, email) */
.contact__link {
  color: var(--color-gold);
  text-decoration: none;
  transition: color var(--transition);
}
.contact__link:hover {
  color: var(--color-gold-light);
}

/* Label au-dessus de chaque vidéo (Trio / Quartet avec violon) */
.video-label {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin: var(--space-sm) 0 0.4rem;
}
.video-label:first-of-type {
  margin-top: 0;
}

/* Logo image dans la navigation */
.nav-logo__img {
  height: 48px;
  width: auto;
  display: block;
  filter: brightness(0) invert(1);  /* blanc sur fond sombre */
  opacity: 0.92;
  transition: opacity var(--transition);
}
.nav-logo:hover .nav-logo__img {
  opacity: 1;
}

/* Logo image dans le footer */
.footer__logo {
  height: 80px;
  width: auto;
  margin: 0 auto var(--space-sm);
  display: block;
  filter: brightness(0) invert(1);
  opacity: 0.7;
}

/* Logo discret dans la navigation */
.nav-logo__img {
  height: 44px;
  width: auto;
  display: block;
  filter: brightness(0) invert(1);
  opacity: 0.75;
  transition: opacity var(--transition);
}
.nav-logo:hover .nav-logo__img {
  opacity: 1;
}