/* ===================================================
   PORTFOLIO PHOTOGRAPHIQUE - DESIGN MINIMALISTE & DARK
   =================================================== */

:root {
  --bg-color: #0b0c10;
  --card-bg: #14161d;
  --text-main: #f0f2f5;
  --text-muted: #8e95a5;
  --accent: #d4af37; /* Teinte dorée Leica / Leica M */
  --accent-hover: #f1c40f;
  --border-color: rgba(255, 255, 255, 0.08);
  --font-serif: 'Cinzel', serif;
  --font-sans: 'Inter', sans-serif;
  --transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-color);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ================= PROTECTION DES IMAGES ================= */
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; /* Empêche le menu "Enregistrer l'image" sur iPhone / iPad */
}

/* Liens génériques */
a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ================= HEADER & NAV ================= */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 1.2rem 2.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(11, 12, 16, 0.85);
  backdrop-filter: blur(14px);
  z-index: 1000;
  border-bottom: 1px solid var(--border-color);
}

.logo a {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  letter-spacing: 3px;
  font-weight: 700;
}

.sub-logo {
  display: block;
  font-size: 0.65rem;
  letter-spacing: 4px;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-top: -2px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav a {
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
}

.nav a:hover {
  color: var(--text-main);
}

.btn-nav {
  border: 1px solid var(--border-color);
  padding: 0.5rem 1.2rem;
  border-radius: 4px;
}

.btn-nav:hover {
  border-color: var(--accent);
  color: var(--accent) !important;
}

/* ================= HERO SECTION ================= */
.hero {
  height: 85vh;
  min-height: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: radial-gradient(circle at 50% 40%, #1c202c 0%, #0b0c10 75%);
  border-bottom: 1px solid var(--border-color);
  padding: 0 1.5rem;
}

.hero-subtitle {
  font-size: 0.9rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: 3.5rem;
  letter-spacing: 4px;
  margin-bottom: 2rem;
  text-transform: uppercase;
  font-weight: 500;
}

.btn-primary {
  display: inline-block;
  background: transparent;
  color: var(--text-main);
  border: 1px solid var(--accent);
  padding: 0.9rem 2.2rem;
  font-size: 0.85rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  cursor: pointer;
  transition: var(--transition);
  border-radius: 2px;
}

.btn-primary:hover {
  background: var(--accent);
  color: #0b0c10;
  font-weight: 600;
}

/* ================= TITRES DE SECTIONS ================= */
.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.section-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  letter-spacing: 1px;
}

/* ================= GALERIE ================= */
.gallery-section {
  padding: 8.5rem 0 6rem 0;
}

.filters {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.filter-btn {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 0.6rem 1.4rem;
  font-size: 0.82rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  cursor: pointer;
  border-radius: 30px;
  transition: var(--transition);
}

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

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 1.8rem;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  height: 440px;
  background-color: var(--card-bg);
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  display: block;
}

.gallery-item:hover img {
  transform: scale(1.06);
}

.gallery-item .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(11, 12, 16, 0.9) 0%, rgba(11, 12, 16, 0.1) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem;
  opacity: 0;
  transition: var(--transition);
}

.gallery-item:hover .overlay {
  opacity: 1;
}

.category-tag {
  color: var(--accent);
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 0.3rem;
}

.overlay h3 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  margin-bottom: 0.3rem;
  letter-spacing: 1px;
}

.overlay p {
  color: var(--text-muted);
  font-size: 0.82rem;
}

/* ================= SECTION À PROPOS ================= */
.about-section {
  padding: 6rem 0;
  background-color: var(--card-bg);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.about-container {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.about-text h2 {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  margin-bottom: 1.4rem;
  letter-spacing: 2.5px;
}

.bio-intro {
  font-size: 1.15rem;
  color: var(--text-main);
  margin-bottom: 1.2rem;
  line-height: 1.8;
}

.bio-detail {
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  font-size: 0.98rem;
  line-height: 1.8;
}

.gear-list {
  display: inline-block;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  padding: 1.5rem 2.5rem;
  border-radius: 6px;
}

.gear-list h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 0.8rem;
  color: var(--accent);
}

.gear-list ul {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  color: var(--text-muted);
  font-size: 0.92rem;
  flex-wrap: wrap;
}

/* ================= CONTACT ================= */
.contact-section {
  padding: 6rem 0;
}

.contact-wrapper {
  max-width: 680px;
  margin: 0 auto;
}

.insta-card {
  text-align: center;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 3.5rem 2.5rem;
  border-radius: 8px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
}

.insta-icon {
  color: var(--accent);
  margin-bottom: 1.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 76px;
  height: 76px;
  background: rgba(212, 175, 55, 0.08);
  border-radius: 50%;
  border: 1px solid rgba(212, 175, 55, 0.25);
  box-shadow: 0 0 25px rgba(212, 175, 55, 0.15);
}

.insta-card h3 {
  font-family: var(--font-serif);
  font-size: 1.9rem;
  margin-bottom: 1rem;
  letter-spacing: 2px;
}

.insta-card p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.7;
  max-width: 480px;
  margin: 0 auto 2.2rem auto;
}

.btn-instagram {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
  color: #ffffff !important;
  padding: 1.1rem 2.6rem;
  border-radius: 4px;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  transition: var(--transition);
  box-shadow: 0 6px 20px rgba(220, 39, 67, 0.35);
  cursor: pointer;
}

.btn-instagram:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(220, 39, 67, 0.55);
}

.insta-arrow {
  font-size: 1.2rem;
  transition: transform 0.25s ease;
}

.btn-instagram:hover .insta-arrow {
  transform: translateX(5px);
}

/* ================= LIGHTBOX (MODAL PLEIN ÉCRAN) ================= */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(8, 9, 12, 0.95);
  backdrop-filter: blur(16px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.lightbox-content {
  max-width: 85vw;
  max-height: 85vh;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-content img {
  max-width: 100%;
  max-height: 75vh;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 15px 45px rgba(0,0,0,0.8);
}

.lightbox-caption {
  margin-top: 1rem;
  color: var(--text-main);
  font-family: var(--font-serif);
  font-size: 1.1rem;
  letter-spacing: 1.5px;
}

.lightbox-close {
  position: absolute;
  top: 2rem;
  right: 2.5rem;
  font-size: 2.5rem;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1;
  transition: var(--transition);
}

.lightbox-close:hover {
  color: var(--text-main);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-size: 1.8rem;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.lightbox-nav:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.lightbox-nav.prev {
  left: 2rem;
}

.lightbox-nav.next {
  right: 2rem;
}

/* ================= FOOTER ================= */
.footer {
  padding: 3rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.82rem;
}

.social-links {
  display: flex;
  gap: 1.5rem;
}

.social-links a:hover {
  color: var(--accent);
}

/* ================= RESPONSIVE ================= */
@media (max-width: 868px) {
  .hero-title {
    font-size: 2.3rem;
  }
  .gear-list ul {
    flex-direction: column;
    gap: 0.8rem;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .lightbox-nav {
    display: none; /* Sur mobile, on ferme simplement au clic */
  }
}