/* =========================================================
   Lydie Rolet — feuille de style
   Minimal, éditorial, contemplatif
   ========================================================= */

:root {
  --c-bg: #fafaf8;
  --c-ink: #1a1a1a;
  --c-mute: #8a8a86;
  --c-line: #e6e4df;
  --c-accent: #2a2a28;

  --ff-serif: "Cormorant Garamond", "EB Garamond", Garamond, "Times New Roman", serif;
  --ff-sans: "Inter", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 2rem;
  --space-4: 4rem;
  --space-5: 8rem;

  --max: 1400px;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--c-bg);
  color: var(--c-ink);
  font-family: var(--ff-sans);
  font-weight: 300;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
main { flex: 1 0 auto; }
.footer { flex-shrink: 0; }

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--c-mute); }

::selection { background: var(--c-ink); color: var(--c-bg); }

/* =========================================================
   Navigation
   ========================================================= */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  background: rgba(250, 250, 248, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.4s var(--ease);
}
.nav.scrolled { border-bottom-color: var(--c-line); }
.body.nav-open,
body.nav-open { overflow: hidden; }

.nav__brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--ff-serif);
  font-size: 1.25rem;
  font-weight: 400;
  letter-spacing: 0.05em;
}
.nav__brand-logo {
  width: 38px;
  height: 38px;
  object-fit: contain;
  display: block;
  transition: transform 0.6s var(--ease);
}
.nav__brand:hover .nav__brand-logo {
  transform: rotate(-6deg);
}

.nav__links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
  margin: 0; padding: 0;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 400;
}
.nav__links a {
  position: relative;
  padding-bottom: 4px;
}
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 1px;
  background: var(--c-ink);
  transition: width 0.5s var(--ease);
}
.nav__links a:hover::after,
.nav__links a.is-active::after { width: 100%; }

.nav__toggle {
  display: none;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 110;
}
.nav__toggle span {
  display: block;
  width: 24px;
  height: 1px;
  background: var(--c-ink);
  margin: 6px 0;
  transition: transform 0.35s var(--ease), opacity 0.25s var(--ease);
}
.nav__toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle.is-open span:nth-child(2) { opacity: 0; }
.nav__toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 900px) {
  .nav__toggle { display: block; }

  .nav__links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.5rem 0;
    margin: 0;
    background: var(--c-bg);
    border-top: 1px solid var(--c-line);
    border-bottom: 1px solid var(--c-line);
    box-shadow: 0 14px 30px -16px rgba(0, 0, 0, 0.18);
    font-size: 0.95rem;
    letter-spacing: 0.18em;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.35s var(--ease), transform 0.35s var(--ease), visibility 0.35s;
  }
  .nav__links.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  .nav__links li {
    width: 100%;
    text-align: center;
  }
  .nav__links a {
    display: block;
    padding: 1rem 1.5rem;
  }
  .nav__links a::after { display: none; }
  .nav__links a.is-active {
    color: var(--c-ink);
    background: rgba(0, 0, 0, 0.025);
  }
}

/* =========================================================
   Accueil — brand (logo + citation + CTA)
   ========================================================= */
.brand {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 6rem 2rem 4rem;
  position: relative;
}

.brand__mark {
  width: clamp(120px, 16vw, 200px);
  height: auto;
  margin: 0 auto var(--space-3);
  opacity: 0;
  animation: heroIn 1.6s var(--ease) 0.2s forwards;
}
@keyframes heroIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: none; }
}

.brand__tagline {
  font-family: var(--ff-serif);
  font-style: italic;
  font-weight: 300;
  font-size: clamp(2rem, 5.5vw, 4.25rem);
  line-height: 1.15;
  color: var(--c-accent);
  max-width: 18ch;
  margin: 0 0 var(--space-3);
  letter-spacing: 0.005em;
  opacity: 0;
  animation: heroIn 1.6s var(--ease) 0.5s forwards;
}

.brand__cta {
  display: inline-block;
  margin-top: var(--space-2);
  padding: 0.6rem 0;
  font-family: var(--ff-sans);
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--c-ink);
  border-bottom: 1px solid var(--c-ink);
  transition: color 0.4s var(--ease), border-color 0.4s var(--ease), letter-spacing 0.4s var(--ease);
  opacity: 0;
  animation: heroIn 1.6s var(--ease) 0.9s forwards;
}
.brand__cta:hover {
  color: var(--c-mute);
  border-bottom-color: var(--c-mute);
  letter-spacing: 0.32em;
}

.brand__scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--c-mute);
  animation: float 3s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translate(-50%, 0); opacity: 0.6; }
  50%      { transform: translate(-50%, 8px); opacity: 1; }
}

/* =========================================================
   Sections génériques
   ========================================================= */
.section {
  padding: var(--space-5) var(--space-3);
  max-width: var(--max);
  margin: 0 auto;
}

.section__title {
  font-family: var(--ff-serif);
  font-weight: 300;
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin: 0 0 var(--space-4);
  letter-spacing: 0.01em;
  text-align: center;
}
.section__title em { font-style: italic; }

.section__intro {
  font-family: var(--ff-serif);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--c-mute);
  max-width: 40ch;
  margin: 0 auto var(--space-4);
  text-align: center;
  line-height: 1.7;
}

/* =========================================================
   Galerie — onglets de filtre
   ========================================================= */
.gallery-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 2.5rem;
  margin: 0 auto var(--space-4);
  padding: 0;
}
.gallery-tab {
  background: none;
  border: 0;
  padding: 0.5rem 0;
  cursor: pointer;
  font-family: var(--ff-sans);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-mute);
  position: relative;
  transition: color 0.4s var(--ease);
}
.gallery-tab::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 0;
  height: 1px;
  background: var(--c-ink);
  transition: width 0.5s var(--ease), left 0.5s var(--ease);
}
.gallery-tab:hover { color: var(--c-ink); }
.gallery-tab.is-active {
  color: var(--c-ink);
}
.gallery-tab.is-active::after {
  left: 0;
  width: 100%;
}

/* =========================================================
   Galerie — tri par date
   ========================================================= */
.gallery-sort {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.4rem 1.5rem;
  margin: 0 auto var(--space-4);
}
.gallery-sort__label {
  font-family: var(--ff-serif);
  font-style: italic;
  color: var(--c-mute);
  font-size: 0.95rem;
}
.gallery-sort__btn {
  background: none;
  border: 0;
  padding: 0.4rem 0;
  cursor: pointer;
  font-family: var(--ff-sans);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-mute);
  border-bottom: 1px solid transparent;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}
.gallery-sort__btn:hover { color: var(--c-ink); }
.gallery-sort__btn.is-active {
  color: var(--c-ink);
  border-bottom-color: var(--c-ink);
}

/* =========================================================
   Grille d'oeuvres
   ========================================================= */
.gallery {
  column-count: 3;
  column-gap: 2rem;
  margin-top: var(--space-3);
}
@media (max-width: 980px) { .gallery { column-count: 2; } }
@media (max-width: 560px) { .gallery { column-count: 1; } }

.artwork {
  break-inside: avoid;
  margin: 0 0 2rem;
  cursor: zoom-in;
  position: relative;
  overflow: hidden;
  background: #f0eee9;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}
.artwork.is-visible { opacity: 1; transform: none; }
.artwork.is-hidden {
  display: none;
}

.artwork img {
  width: 100%;
  height: auto;
  transition: transform 1.6s var(--ease);
}
.artwork:hover img { transform: scale(1.04); }

.artwork__caption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 1rem;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: #fff;
  background: linear-gradient(to top, rgba(0,0,0,0.55), transparent);
  opacity: 0;
  transition: opacity 0.5s var(--ease);
  font-style: italic;
  font-family: var(--ff-serif);
  font-size: 0.95rem;
}
.artwork:hover .artwork__caption { opacity: 1; }

/* =========================================================
   Lightbox
   ========================================================= */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(20, 20, 19, 0.96);
  z-index: 1000;
  display: none;
  justify-content: center;
  align-items: center;
  padding: 4rem;
  opacity: 0;
  transition: opacity 0.4s var(--ease);
}
.lightbox.is-open {
  display: flex;
  opacity: 1;
}
.lightbox__img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  box-shadow: 0 20px 80px rgba(0,0,0,0.5);
  animation: fadeUp 0.6s var(--ease);
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: none; }
}
.lightbox__caption {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  color: #cfcfcb;
  font-family: var(--ff-serif);
  font-style: italic;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  text-align: center;
  max-width: 80%;
}
.lightbox__close,
.lightbox__nav {
  position: absolute;
  background: none;
  border: 0;
  color: #d8d8d4;
  cursor: pointer;
  font-family: var(--ff-serif);
  font-size: 2rem;
  font-weight: 300;
  line-height: 1;
  padding: 0.5rem 1rem;
  transition: color 0.3s ease;
}
.lightbox__close:hover,
.lightbox__nav:hover { color: #fff; }
.lightbox__close { top: 1.2rem; right: 1.5rem; font-size: 1.5rem; }
.lightbox__nav--prev { left: 1.5rem; top: 50%; transform: translateY(-50%); }
.lightbox__nav--next { right: 1.5rem; top: 50%; transform: translateY(-50%); }

@media (max-width: 720px) {
  .lightbox { padding: 1rem; }
  .lightbox__nav { font-size: 1.5rem; padding: 0.3rem 0.6rem; }
}

/* =========================================================
   Univers — fragments
   ========================================================= */
.univers {
  max-width: 720px;
  margin: 0 auto;
  padding: var(--space-5) var(--space-3);
}

.fragment {
  margin: var(--space-5) 0;
  font-family: var(--ff-serif);
  font-weight: 300;
  font-size: clamp(1.1rem, 1.8vw, 1.35rem);
  line-height: 1.85;
  color: var(--c-ink);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 1.2s var(--ease), transform 1.2s var(--ease);
}
.fragment.is-visible { opacity: 1; transform: none; }

.fragment--quote {
  font-style: italic;
  text-align: center;
  font-size: clamp(1.3rem, 2.4vw, 1.8rem);
  color: var(--c-accent);
  border: 0;
  padding: 0;
}
.fragment--quote::before,
.fragment--quote::after {
  content: "—";
  display: block;
  color: var(--c-mute);
  margin: 1.5rem auto;
  font-style: normal;
}

.fragment p { margin: 1.2rem 0; }
.fragment p + p { margin-top: 1.5rem; }

/* =========================================================
   Contact
   ========================================================= */
.contact {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: var(--space-5) var(--space-3) var(--space-4);
}
.contact__title {
  font-family: var(--ff-serif);
  font-style: italic;
  font-weight: 300;
  font-size: clamp(2rem, 4vw, 3rem);
  margin: 0 0 var(--space-3);
}
.contact__line {
  color: var(--c-mute);
  font-size: 0.95rem;
  margin: 0.5rem 0;
  letter-spacing: 0.05em;
}
.contact__email {
  font-family: var(--ff-serif);
  font-size: 1.4rem;
  margin-top: var(--space-3);
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--c-line);
  padding-bottom: 4px;
  transition: border-color 0.4s ease;
}
.contact__email:hover { border-bottom-color: var(--c-ink); }

.contact__social {
  list-style: none;
  margin: var(--space-4) 0 0;
  padding: 0;
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  justify-content: center;
}
.contact__social a {
  font-family: var(--ff-sans);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-mute);
  border-bottom: 1px solid transparent;
  padding-bottom: 3px;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}
.contact__social a:hover {
  color: var(--c-ink);
  border-bottom-color: var(--c-ink);
}

/* =========================================================
   Footer
   ========================================================= */
.footer {
  border-top: 1px solid var(--c-line);
  padding: 2rem;
  text-align: center;
  color: var(--c-mute);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

/* =========================================================
   Anim générique d'apparition
   ========================================================= */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 1.1s var(--ease), transform 1.1s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }

/* État vide galerie */
.gallery-empty {
  text-align: center;
  font-family: var(--ff-serif);
  font-style: italic;
  color: var(--c-mute);
  padding: var(--space-5) 0;
}