/* ==========================================================================
   BAPTISTE MERCIER — BERLIN STREET & FASHION PHOTOGRAPHY
   Inspiration : Palette Brittany Bravo (brittanybravo.com/editorial)
   Aesthetic : Warm Alabaster / Fine-Art Paper, Charcoal Typography, Gallery Clean
   ========================================================================== */

:root {
  /* Palette Brittany Bravo : Écrin Papier d'Art & Anthracite */
  --bg-main: #faf9f6;          /* Albâtre chaud / papier d'art velouté */
  --bg-sidebar: #f5f4ef;       /* Nuance très légèrement plus chaude pour la marge */
  --bg-card: #ffffff;
  
  --text-primary: #222222;     /* Noir fusain doux / charcoal */
  --text-secondary: #555555;   /* Gris chaud texturé */
  --text-muted: #6e6e6a;       /* Gris feutré contrasté (conforme WCAG AA 4.86:1) */
  
  --border-line: rgba(34, 34, 34, 0.1);
  --border-hover: rgba(34, 34, 34, 0.35);
  
  --font-display: 'Unbounded', sans-serif;
  --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  
  --sidebar-width: 290px;
  --transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  background-color: var(--bg-main);
}

body {
  background-color: var(--bg-main);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Protection stricte anti-téléchargement */
img {
  -webkit-user-drag: none;
  -khtml-user-drag: none;
  -moz-user-drag: none;
  -o-user-drag: none;
  user-drag: none;
  user-select: none;
  -webkit-user-select: none;
  -ms-user-select: none;
  -webkit-touch-callout: none;
  display: block;
  width: 100%;
  height: auto;
}

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

/* ================= STRUCTURE PRINCIPALE ================= */
.site-layout {
  display: flex;
  min-height: 100vh;
}

/* ================= BARRE LATÉRALE FIXE (DESKTOP) ================= */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border-line);
  z-index: 100;
}

.sidebar-inner {
  height: 100%;
  padding: 3.8rem 2.8rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

/* Brand & Logo Image Officiel */
.brand {
  margin-bottom: 3.4rem;
}

.logo {
  display: block;
}

.logo a {
  display: block;
}

.logo-img {
  width: 100%;
  max-width: 195px;
  height: auto;
  display: block;
  transition: opacity 0.25s ease;
}

.logo a:hover .logo-img {
  opacity: 0.78;
}

/* Navigation latérale */
.sidebar-nav ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.nav-header {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  letter-spacing: 2.2px;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: -0.2rem;
}

.nav-item {
  font-family: var(--font-sans);
  font-size: 0.92rem;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--text-primary);
  font-weight: 400;
  position: relative;
  display: inline-block;
  transition: color 0.2s ease, opacity 0.2s ease;
}

.nav-sub-item {
  padding-left: 0.8rem;
  border-left: 1.5px solid rgba(34, 34, 34, 0.12);
  font-size: 0.86rem;
  letter-spacing: 1.5px;
}

.nav-sub-item.active {
  border-left-color: #000000;
}

.nav-item:hover,
.nav-item.active {
  color: #000000;
  font-weight: 600;
}

.nav-item::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1.5px;
  background-color: #000000;
  transition: width 0.25s ease;
}

.nav-item:hover::after,
.nav-item.active::after {
  width: 100%;
}

.nav-divider {
  height: 1px;
  background: var(--border-line);
  margin: 0.6rem 0;
}

.empty-series {
  padding: 8rem 0;
  max-width: 500px;
}

.series-tag {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  text-transform: uppercase;
  color: var(--text-primary);
  display: block;
  margin-bottom: 0.8rem;
}

.series-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* Bas de la barre latérale */
.sidebar-bottom {
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text-secondary);
  font-size: 0.82rem;
  letter-spacing: 1.5px;
}

.social-link:hover {
  color: #000000;
}

.insta-svg {
  width: 16px;
  height: 16px;
}

.sidebar-meta {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  border-top: 1px solid var(--border-line);
  padding-top: 1.2rem;
}

.meta-city {
  font-size: 0.72rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.meta-copy {
  font-size: 0.68rem;
  letter-spacing: 1px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ================= EN-TÊTE MOBILE ================= */
.mobile-header {
  display: none;
}

.mobile-drawer {
  display: none;
}

/* ================= CONTENU PRINCIPAL (À DROITE) ================= */
.main-content {
  margin-left: var(--sidebar-width);
  width: calc(100% - var(--sidebar-width));
  min-height: 100vh;
  padding: 2.2rem 1.8rem 5rem 1.8rem;
  box-sizing: border-box;
}

.section-block {
  margin-bottom: 7rem;
}

/* ================= GALERIE PHOTO MASONRY (STYLE BRITTANY BRAVO : ZÉRO VIDE BLANC) ================= */
.gallery-grid {
  column-count: 3;
  column-gap: 16px;
  width: 100%;
  opacity: 0;
  transform: translateY(16px);
  animation: galleryFadeIn 1.1s cubic-bezier(0.16, 1, 0.3, 1) 0.1s forwards;
  will-change: opacity, transform;
}

@keyframes galleryFadeIn {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.gallery-item {
  cursor: pointer;
  display: block;
  width: 100%;
  margin-bottom: 16px;
  break-inside: avoid;
  -webkit-column-break-inside: avoid;
  page-break-inside: avoid;
}

.image-frame {
  position: relative;
  overflow: hidden;
  background-color: var(--bg-card);
  border-radius: 1px;
}

.image-frame img {
  width: 100%;
  height: auto;
  display: block;
}

/* ================= PAGES DÉDIÉES (PROFILE & CONTACT) ================= */
.page-content-wrapper {
  max-width: 680px;
  padding: 1rem 0;
  opacity: 0;
  transform: translateY(16px);
  animation: galleryFadeIn 0.95s cubic-bezier(0.16, 1, 0.3, 1) 0.08s forwards;
  will-change: opacity, transform;
}

.page-heading {
  display: flex;
  align-items: baseline;
  gap: 1.2rem;
  margin-bottom: 2.8rem;
  border-bottom: 1px solid var(--border-line);
  padding-bottom: 1.5rem;
}

.page-num {
  font-size: 0.78rem;
  letter-spacing: 2px;
  color: var(--text-muted);
}

.page-title {
  font-family: var(--font-display);
  font-size: 1.85rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  text-transform: uppercase;
  color: var(--text-primary);
}

.profile-text-block {
  margin-bottom: 3.5rem;
}

.lead-text {
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--text-primary);
  margin-bottom: 1.4rem;
}

.lead-text strong {
  color: #000000;
  font-weight: 600;
}

.body-text {
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--text-secondary);
}

/* Grille Matériel / Spécifications */
.specs-block {
  border-top: 1px solid var(--border-line);
  padding-top: 2.5rem;
}

.specs-heading {
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.8rem;
  font-weight: 500;
}

.specs-list {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.spec-entry {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.88rem;
  border-bottom: 1px solid rgba(34, 34, 34, 0.05);
  padding-bottom: 0.8rem;
}

.spec-k {
  color: var(--text-muted);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-size: 0.72rem;
}

.spec-v {
  color: var(--text-primary);
  font-weight: 500;
  letter-spacing: 0.5px;
}

/* Bloc Contact CTA */
.contact-cta-block {
  margin-top: 2rem;
}

.primary-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--text-primary);
  padding: 1rem 2.2rem;
  font-size: 0.82rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  border-radius: 2px;
  transition: var(--transition);
  font-family: var(--font-sans);
}

.primary-btn:hover {
  background: var(--text-primary);
  color: var(--bg-main);
  border-color: var(--text-primary);
}

.primary-btn .btn-arrow {
  transition: transform 0.25s ease;
}

.primary-btn:hover .btn-arrow {
  transform: translateX(4px);
}

.status-note {
  margin-top: 1.4rem;
  font-size: 0.78rem;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.status-bullet {
  color: #555555;
  font-size: 0.6rem;
}

/* ================= VISIONNEUSE PLEIN ÉCRAN (LIGHTBOX STYLE GALERIE CHAUDE) ================= */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: none;
  flex-direction: column;
  justify-content: space-between;
  padding: 2.5rem 3rem;
  opacity: 0;
  transition: opacity 0.3s ease;
  touch-action: pan-y;
}

.lightbox.active {
  display: flex;
  opacity: 1;
}

.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(250, 249, 246, 0.98);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 1;
}

.lightbox-header {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.lightbox-meta {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 0.82rem;
  letter-spacing: 2px;
}

.lb-counter {
  color: var(--text-secondary);
}

.lb-title,
.lb-divider {
  display: none !important;
}

.lightbox-close {
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 2.5rem;
  line-height: 1;
  cursor: pointer;
  padding: 0;
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.lightbox-close:hover {
  opacity: 0.6;
  transform: scale(1.1);
}

.lightbox-body {
  position: relative;
  z-index: 2;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 1.5rem 0;
}

.lightbox-img-wrapper {
  max-width: 85vw;
  max-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
}

.lightbox-img-wrapper img {
  max-width: 100%;
  max-height: 80vh;
  width: auto;
  height: auto;
  object-fit: contain;
  box-shadow: 0 25px 70px rgba(0, 0, 0, 0.16);
  border-radius: 2px;
}

.lightbox-btn {
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--border-line);
  color: var(--text-primary);
  font-size: 1.2rem;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.lightbox-btn:hover {
  background: #000000;
  border-color: #000000;
  color: #ffffff;
}

.lightbox-footer {
  position: relative;
  z-index: 2;
  text-align: center;
  font-size: 0.72rem;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  text-transform: uppercase;
}

/* ================= RESPONSIVE ================= */
@media (max-width: 1200px) {
  .gallery-grid {
    column-count: 2;
    column-gap: 16px;
  }
}

@media (max-width: 992px) {
  .sidebar {
    display: none;
  }

  .mobile-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.2rem 1.8rem;
    background: rgba(250, 249, 246, 0.96);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--border-line);
    z-index: 1000;
  }

  .mobile-brand a {
    display: block;
  }

  .mobile-logo-img {
    height: 32px;
    width: auto;
    display: block;
  }

  .mobile-brand a:hover .mobile-logo-img {
    opacity: 0.78;
  }

  .mobile-tagline {
    font-size: 0.65rem;
    letter-spacing: 2px;
    color: var(--text-muted);
  }

  .mobile-menu-btn {
    background: transparent;
    border: none;
    width: 48px;
    height: 48px;
    min-width: 48px;
    min-height: 48px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    padding: 12px;
    border-radius: 4px;
    -webkit-tap-highlight-color: transparent;
  }

  .mobile-menu-btn:focus-visible {
    outline: 2px solid var(--text-primary);
    outline-offset: 2px;
  }

  .menu-bar {
    width: 22px;
    height: 1.5px;
    background-color: var(--text-primary);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease;
    transform-origin: center;
  }

  .mobile-menu-btn.open .menu-bar:nth-child(1),
  .mobile-menu-btn[aria-expanded="true"] .menu-bar:nth-child(1) {
    transform: translateY(3.75px) rotate(45deg);
  }

  .mobile-menu-btn.open .menu-bar:nth-child(2),
  .mobile-menu-btn[aria-expanded="true"] .menu-bar:nth-child(2) {
    transform: translateY(-3.75px) rotate(-45deg);
  }

  .mobile-drawer {
    display: block;
    position: fixed;
    top: 58px;
    left: 0;
    width: 100%;
    background: rgba(250, 249, 246, 0.98);
    border-bottom: 1px solid var(--border-line);
    padding: 2rem 1.8rem;
    transform: translateY(-120%);
    transition: transform 0.35s ease;
    z-index: 999;
  }

  .mobile-drawer.open {
    transform: translateY(0);
  }

  .mobile-nav {
    display: flex;
    flex-direction: column;
    gap: 1.4rem;
  }

  .mobile-nav-header {
    font-size: 0.72rem;
    letter-spacing: 2.2px;
    color: var(--text-muted);
    text-transform: uppercase;
    font-weight: 500;
    margin-bottom: -0.4rem;
  }

  .mobile-nav-divider {
    height: 1px;
    background: var(--border-line);
    margin: 0.4rem 0;
  }

  .mobile-nav-link {
    font-size: 0.95rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-secondary);
  }

  .mobile-nav-link.active,
  .mobile-nav-link:hover {
    color: #000000;
    font-weight: 600;
  }

  .mobile-sub-link {
    padding-left: 1rem;
    font-size: 0.88rem;
    border-left: 1.5px solid rgba(34, 34, 34, 0.15);
  }

  .mobile-sub-link.active {
    border-left-color: #000000;
    font-weight: 600;
    color: #000000;
  }

  .mobile-insta {
    padding-top: 1rem;
    border-top: 1px solid var(--border-line);
    color: var(--text-primary);
  }

  .main-content {
    margin-left: 0;
    width: 100%;
    padding: 6.5rem 1.8rem 4rem 1.8rem;
  }

  .gallery-grid {
    column-count: 2;
    column-gap: 16px;
  }

  .lightbox {
    padding: 1.5rem;
    touch-action: pan-y;
  }

  .lightbox-btn {
    display: none;
  }
}

@media (max-width: 640px) {
  .gallery-grid {
    column-count: 1;
    column-gap: 16px;
  }
}

/* ==========================================================================
   INQUIRY FORM & DIRECT CONTACT MODULE
   ========================================================================== */

.inquiry-form {
  margin-top: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-row-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

@media (max-width: 640px) {
  .form-row-split {
    grid-template-columns: 1fr;
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.form-label {
  font-size: 0.82rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-secondary);
  font-weight: 500;
}

.form-label .required {
  color: #c0392b;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-line);
  border-radius: 2px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--text-primary);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
  box-sizing: border-box;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--text-primary);
  box-shadow: 0 0 0 2px rgba(34, 34, 34, 0.08);
}

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

.field-error {
  font-size: 0.78rem;
  color: #c0392b;
  min-height: 1rem;
  line-height: 1.2;
}

.form-input[aria-invalid="true"],
.form-select[aria-invalid="true"],
.form-textarea[aria-invalid="true"] {
  border-color: #c0392b;
}

.form-actions {
  margin-top: 0.5rem;
}

.submit-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 1.1rem 2.2rem;
  background-color: var(--text-primary);
  color: #ffffff;
  border: 1px solid var(--text-primary);
  border-radius: 2px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  letter-spacing: 1px;
  cursor: pointer;
  transition: background-color 0.3s ease, color 0.3s ease, opacity 0.2s ease;
}

.submit-btn:hover {
  background-color: transparent;
  color: var(--text-primary);
}

.submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.form-status {
  padding: 1.1rem 1.25rem;
  border-radius: 2px;
  font-size: 0.92rem;
  line-height: 1.5;
  transition: all 0.3s ease;
}

.direct-contact-section {
  margin-top: 4rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border-line);
}

.direct-heading {
  font-size: 0.85rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.direct-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.direct-card {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 1.25rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-line);
  text-decoration: none;
  transition: border-color 0.25s ease, transform 0.2s ease;
}

.direct-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.direct-label {
  font-size: 0.75rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-muted);
}

.direct-val {
  font-size: 0.95rem;
  color: var(--text-primary);
  font-weight: 500;
}