/* =========================================================
   Portfolio photo — style minimaliste clair
   Sans dépendance, sans build. Tout est ici.
   ========================================================= */

:root {
  --bg: #ffffff;
  --ink: #1a1a1a;
  --muted: #8a8a86;
  --line: #ececec;
  --accent: #1a1a1a;
  --max: 1280px;
  --gap: 14px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Helvetica Neue", Helvetica, Arial, system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

/* ---------- En-tête ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}

.nav {
  max-width: var(--max);
  margin: 0 auto;
  padding: 20px 28px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
}

.brand { line-height: 1.1; }

.brand__name {
  font-size: 20px;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.brand__tag {
  display: block;
  margin-top: 3px;
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}

.menu {
  display: flex;
  gap: 30px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.menu a {
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  padding-bottom: 3px;
  border-bottom: 1px solid transparent;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.menu a:hover,
.menu a[aria-current="page"] {
  color: var(--ink);
  border-color: var(--ink);
}

/* menu mobile : bouton */
.menu-toggle {
  display: none;
  background: none;
  border: 0;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  cursor: pointer;
  padding: 4px 0;
}

/* ---------- Contenu ---------- */
main { max-width: var(--max); margin: 0 auto; padding: 0 28px; }

.intro {
  padding: 60px 0 40px;
  max-width: 640px;
}

.intro h1 {
  font-size: clamp(28px, 5vw, 44px);
  font-weight: 300;
  letter-spacing: 0.01em;
  line-height: 1.15;
  margin: 0 0 16px;
}

.intro p {
  color: var(--muted);
  font-size: 17px;
  margin: 0;
}

/* ---------- Galerie (mosaïque en colonnes) ---------- */
.gallery {
  columns: 3;
  column-gap: var(--gap);
  padding-bottom: 80px;
}

@media (max-width: 900px) { .gallery { columns: 2; } }
@media (max-width: 560px) { .gallery { columns: 1; } }

.tile {
  break-inside: avoid;
  margin: 0 0 var(--gap);
  position: relative;
  overflow: hidden;
  background: #f4f2ee;
  cursor: zoom-in;
}

.tile img {
  width: 100%;
  height: auto;
  transition: transform 0.7s var(--ease), opacity 0.6s var(--ease);
  opacity: 0;
}

.tile img.is-loaded { opacity: 1; }
.tile:hover img { transform: scale(1.04); }

.tile__cap {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 26px 16px 14px;
  background: linear-gradient(transparent, rgba(0,0,0,0.55));
  color: #fff;
  font-size: 13px;
  letter-spacing: 0.04em;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}

.tile:hover .tile__cap { opacity: 1; transform: translateY(0); }
.tile__cap small { display: block; opacity: 0.75; font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; }

/* ---------- Index des catégories ---------- */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
  padding-bottom: 80px;
}
@media (max-width: 900px) { .cat-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .cat-grid { grid-template-columns: 1fr; } }

.cat-card {
  display: block;
  position: relative;
  overflow: hidden;
  background: #f4f2ee;
}
.cat-card__media {
  display: block;
  aspect-ratio: 4 / 5;
  overflow: hidden;
}
.cat-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: transform 0.7s var(--ease), opacity 0.6s var(--ease);
}
.cat-card__media img.is-loaded { opacity: 1; }
.cat-card:hover .cat-card__media img { transform: scale(1.05); }

.cat-card__label {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 40px 18px 16px;
  background: linear-gradient(transparent, rgba(0,0,0,0.6));
  color: #fff;
  font-size: 18px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.cat-card__label small {
  display: block;
  margin-top: 4px;
  font-size: 11px;
  letter-spacing: 0.18em;
  opacity: 0.8;
}

.back-link {
  display: inline-block;
  margin-bottom: 14px;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.2s var(--ease);
}
.back-link:hover { color: var(--ink); }

/* ---------- Pages À propos / Contact ---------- */
.page { padding: 56px 0 90px; }

.about {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: start;
}

@media (max-width: 760px) { .about { grid-template-columns: 1fr; gap: 32px; } }

.about img { width: 100%; background: #f4f2ee; }

.prose { max-width: 560px; }
.prose h1 {
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 300;
  margin: 0 0 24px;
}
.prose h2 {
  font-size: 15px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 36px 0 12px;
  font-weight: 500;
}
.prose p { margin: 0 0 18px; color: #333; }

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
}
@media (max-width: 760px) { .contact-grid { grid-template-columns: 1fr; gap: 36px; } }

.field { margin-bottom: 20px; }
.field label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}
.field input,
.field textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: #fbfbfa;
  padding: 13px 14px;
  font: inherit;
  color: var(--ink);
  border-radius: 2px;
  transition: border-color 0.2s var(--ease);
}
.field input:focus,
.field textarea:focus { outline: none; border-color: var(--ink); }
.field textarea { resize: vertical; min-height: 130px; }

.btn {
  display: inline-block;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: #fff;
  padding: 13px 34px;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  border-radius: 2px;
  transition: background 0.25s var(--ease), color 0.25s var(--ease);
}
.btn:hover { background: transparent; color: var(--ink); }

.contact-info p { margin: 0 0 6px; }
.contact-info .k {
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 24px;
}
.contact-info a.big { font-size: 20px; font-weight: 300; }

.socials { display: flex; gap: 22px; margin-top: 10px; }
.socials a {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--muted);
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.socials a:hover { color: var(--ink); border-color: var(--ink); }

/* ---------- Pied de page ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  margin-top: 40px;
}
.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 34px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.04em;
}
.footer-inner .socials a { font-size: 12px; }

/* ---------- Visionneuse (lightbox) ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(250, 250, 249, 0.98);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s var(--ease);
}
.lightbox.open { opacity: 1; pointer-events: auto; }

.lightbox__img {
  max-width: 90vw;
  max-height: 82vh;
  box-shadow: 0 30px 80px rgba(0,0,0,0.18);
  transform: scale(0.98);
  transition: transform 0.35s var(--ease);
}
.lightbox.open .lightbox__img { transform: scale(1); }

.lightbox__cap {
  position: absolute;
  bottom: 26px;
  left: 0; right: 0;
  text-align: center;
  color: var(--ink);
  font-size: 14px;
  letter-spacing: 0.04em;
}
.lightbox__cap small { color: var(--muted); display: block; font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; margin-top: 2px; }

.lb-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: 0;
  color: var(--ink);
  font-size: 40px;
  font-weight: 200;
  line-height: 1;
  cursor: pointer;
  padding: 20px;
  opacity: 0.5;
  transition: opacity 0.2s var(--ease);
}
.lb-btn:hover { opacity: 1; }
.lb-prev { left: 8px; }
.lb-next { right: 8px; }
.lb-close {
  position: absolute;
  top: 18px; right: 22px;
  background: none; border: 0;
  color: var(--ink);
  font-size: 30px; font-weight: 200;
  cursor: pointer; padding: 10px;
  opacity: 0.55;
  transition: opacity 0.2s var(--ease);
}
.lb-close:hover { opacity: 1; }

@media (max-width: 560px) {
  .lb-btn { font-size: 30px; padding: 10px; }
}

/* ---------- Menu mobile ---------- */
@media (max-width: 640px) {
  .menu-toggle { display: block; }
  .menu {
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s var(--ease);
  }
  .nav { position: relative; }
  .menu.open { max-height: 260px; }
  .menu li { border-top: 1px solid var(--line); }
  .menu a { display: block; padding: 16px 28px; }
}

/* ---------- Page d'intro (splash) : texte à gauche, photo à droite ---------- */
/* Page d'intro : plein écran, sans défilement */
body[data-page="accueil"] { height: 100vh; height: 100svh; overflow: hidden; }

.splash {
  height: 100vh;
  height: 100svh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  /* Plein écran, bord à bord (annule la largeur max héritée de <main>) */
  max-width: none;
  width: 100%;
  margin: 0;
  padding: 0;
}

.splash__text {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 6vw;
  background: linear-gradient(135deg, #f5f1ea 0%, #eae3d8 40%, #e3e2df 75%, #e8e4de 100%);
}

.splash__inner {
  max-width: 460px;
  text-align: left;
  animation: splashIn 1.1s var(--ease) both;
}

.splash__name {
  margin: 0;
  font-size: clamp(30px, 4.4vw, 58px);
  font-weight: 200;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  line-height: 1.12;
}

.splash__tag {
  margin: 16px 0 0;
  font-size: clamp(11px, 1.4vw, 14px);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--muted);
}

.splash__enter {
  display: inline-block;
  margin-top: 40px;
  padding: 14px 46px;
  border: 1px solid var(--ink);
  border-radius: 2px;
  font-size: 13px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink);
  background: transparent;
  transition: background 0.3s var(--ease), color 0.3s var(--ease);
}
.splash__enter:hover { background: var(--ink); color: #fff; }

.splash__links {
  margin-top: 40px;
  display: flex;
  gap: 24px;
  justify-content: flex-start;
  flex-wrap: wrap;
}
.splash__links a {
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  padding-bottom: 3px;
  border-bottom: 1px solid transparent;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}
.splash__links a:hover { color: var(--ink); border-color: var(--ink); }

.splash__photo {
  position: relative;
  overflow: hidden;
  background: #d9d5cf;
}
.splash__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  animation: photoIn 1.4s var(--ease) both;
}

@keyframes splashIn {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes photoIn {
  from { opacity: 0; transform: scale(1.05); }
  to   { opacity: 1; transform: scale(1); }
}

/* Empilement sur mobile : photo en haut, texte dessous */
@media (max-width: 820px) {
  .splash {
    display: flex;
    flex-direction: column;
  }
  .splash__photo { order: -1; height: 44vh; flex: none; }
  .splash__text { flex: 1; padding: 44px 28px; text-align: center; }
  .splash__inner { text-align: center; margin: 0 auto; }
  .splash__links { justify-content: center; }
}

/* Respect des préférences de mouvement réduit */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
  .tile img { opacity: 1; }
  .splash__inner, .splash__photo img { animation: none; }
}