/* =========================================================
   Yoann & Yamina — Galerie de mariage
   Palette ivoire ultra-chic · animations douces
   ========================================================= */

:root {
  --ivory:      #FBF9F5;
  --cream:      #F3EDE3;
  --white:      #FFFFFF;
  --greige:     #D9CFC1;
  --gold:       #BBA074;
  --gold-soft:  #CBB791;
  --ink:        #2E2A26;
  --ink-soft:   #7A7167;
  --line:       rgba(46, 42, 38, 0.14);
  --line-soft:  rgba(46, 42, 38, 0.07);

  --serif: "Cormorant Garamond", "Times New Roman", serif;
  --sans:  "Jost", "Helvetica Neue", Arial, sans-serif;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --shadow: 0 30px 60px -30px rgba(46, 42, 38, 0.35);
}

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

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

body {
  font-family: var(--sans);
  font-weight: 300;
  color: var(--ink);
  background: var(--ivory);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

::selection { background: var(--gold-soft); color: var(--white); }

/* Petite étiquette en capitales espacées (motif récurrent) */
.section-head__label,
.intro-text__label,
.hero__eyebrow,
.nav__links a,
.hero__scroll-text {
  font-family: var(--sans);
  font-weight: 400;
  font-size: 0.72rem;
  letter-spacing: 0.42em;
  text-transform: uppercase;
}

/* =========================================================
   ÉCRAN D'INTRODUCTION
   ========================================================= */
.intro {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  background: var(--ivory);
  transition: opacity 1.1s var(--ease), visibility 1.1s var(--ease);
}
.intro--hidden { opacity: 0; visibility: hidden; }

.intro__inner { text-align: center; padding: 2rem; }

.intro__label {
  display: block;
  color: var(--gold);
  font-size: 0.72rem;
  letter-spacing: 0.5em;
  text-transform: uppercase;
  opacity: 0;
  animation: introFade 1.2s var(--ease) 0.3s forwards;
}

.intro__names {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.6rem, 8vw, 5.4rem);
  line-height: 1.05;
  margin: 0.5rem 0 1.4rem;
  opacity: 0;
  animation: introRise 1.4s var(--ease) 0.6s forwards;
}
.intro__names .amp { font-style: italic; color: var(--gold); font-weight: 300; }

.intro__line {
  display: block;
  height: 1px;
  width: 0;
  margin: 0 auto 1.4rem;
  background: var(--gold);
  animation: introLine 1.3s var(--ease) 1.1s forwards;
}

.intro__date {
  display: block;
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.25rem;
  color: var(--ink-soft);
  letter-spacing: 0.2em;
  opacity: 0;
  animation: introFade 1.2s var(--ease) 1.4s forwards;
}

@keyframes introFade { to { opacity: 1; } }
@keyframes introRise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }
@keyframes introLine { to { width: 88px; } }

/* =========================================================
   NAVIGATION
   ========================================================= */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.6rem clamp(1.4rem, 5vw, 4rem);
  transition: background 0.5s var(--ease), padding 0.5s var(--ease), box-shadow 0.5s var(--ease);
}
.nav--solid {
  background: rgba(251, 249, 245, 0.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding-top: 1.05rem;
  padding-bottom: 1.05rem;
  box-shadow: 0 1px 0 var(--line-soft);
}

.nav__brand {
  font-family: var(--serif);
  font-size: 1.3rem;
  letter-spacing: 0.18em;
  color: var(--ink);
  text-decoration: none;
  transition: color 0.4s var(--ease);
}
.nav__brand span { color: var(--gold); font-style: italic; }
.nav--at-top .nav__brand,
.nav--at-top .nav__links a { color: var(--ink); }

.nav__links { list-style: none; display: flex; gap: clamp(1.2rem, 3vw, 2.6rem); }
.nav__links a {
  color: var(--ink);
  text-decoration: none;
  position: relative;
  transition: color 0.4s var(--ease);
}
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -5px;
  width: 0; height: 1px;
  background: var(--gold);
  transition: width 0.45s var(--ease);
}
.nav__links a:hover { color: var(--gold); }
.nav__links a:hover::after { width: 100%; }

/* =========================================================
   HÉRO
   ========================================================= */
.hero {
  position: relative;
  height: 100svh;
  min-height: 560px;
  display: grid;
  place-items: center;
  overflow: hidden;
  text-align: center;
  color: var(--ink); /* par défaut (repli clair) : texte foncé lisible */
}

.hero__media { position: absolute; inset: 0; z-index: 0; }

.hero__video {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1.4s var(--ease);
}
.hero__video.is-ready { opacity: 1; }

/* Repli élégant si pas de vidéo : dégradé ivoire/champagne animé */
.hero__fallback {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(120% 90% at 20% 15%, #fffdf9 0%, transparent 55%),
    radial-gradient(120% 90% at 85% 90%, #efe5d3 0%, transparent 60%),
    linear-gradient(135deg, #e9ddc9 0%, #f6efe2 40%, #d8cab2 100%);
  background-size: 200% 200%;
  animation: heroDrift 22s ease-in-out infinite;
}
@keyframes heroDrift {
  0%, 100% { background-position: 0% 0%; }
  50%      { background-position: 100% 100%; }
}

/* Bouclier transparent : bloque le clic droit / glisser sur la vidéo */
.hero__shield { position: absolute; inset: 0; z-index: 3; }

/* Voile : neutre par défaut, s'assombrit quand une vidéo est présente */
.hero__veil {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background:
    radial-gradient(120% 90% at 50% 50%, rgba(255,255,255,0) 55%, rgba(255,255,255,0.35) 100%);
  transition: background 0.8s var(--ease);
}
.hero--has-video .hero__veil {
  background:
    linear-gradient(to bottom, rgba(28,24,20,0.34) 0%, rgba(28,24,20,0.05) 26%, rgba(28,24,20,0.12) 58%, rgba(28,24,20,0.5) 100%);
}

.hero__content { position: relative; z-index: 3; padding: 0 1.5rem; }

.hero__eyebrow {
  display: block;
  color: var(--gold);
  margin-bottom: 1.4rem;
}

.hero__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(3.2rem, 11vw, 8rem);
  line-height: 0.98;
  letter-spacing: 0.01em;
}
.hero__title span { font-style: italic; font-weight: 300; display: inline-block; margin: 0 0.1em; color: var(--gold); }

.hero__date {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.1rem, 2.4vw, 1.6rem);
  letter-spacing: 0.32em;
  margin-top: 1.2rem;
  color: var(--ink-soft);
}

.hero__scroll {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
  margin-top: 3rem;
  color: var(--ink);
  text-decoration: none;
}
.hero__scroll-line {
  width: 1px; height: 54px;
  background: linear-gradient(to bottom, var(--ink), rgba(46,42,38,0));
  animation: scrollPulse 2.2s var(--ease) infinite;
  transform-origin: top;
}

/* --- Variante avec vidéo : texte blanc + ombres --- */
.hero--has-video { color: var(--white); }
.hero--has-video .hero__eyebrow { color: rgba(255,255,255,0.92); text-shadow: 0 1px 12px rgba(0,0,0,0.3); }
.hero--has-video .hero__title { color: var(--white); text-shadow: 0 2px 30px rgba(0,0,0,0.32); }
.hero--has-video .hero__title span { color: rgba(255,255,255,0.92); }
.hero--has-video .hero__date { color: rgba(255,255,255,0.92); text-shadow: 0 1px 14px rgba(0,0,0,0.34); }
.hero--has-video .hero__scroll { color: var(--white); }
.hero--has-video .hero__scroll-line { background: linear-gradient(to bottom, rgba(255,255,255,0.9), rgba(255,255,255,0)); }
@keyframes scrollPulse {
  0% { transform: scaleY(0); opacity: 0; }
  35% { opacity: 1; }
  100% { transform: scaleY(1); opacity: 0; }
}

/* =========================================================
   PHRASE D'INTRODUCTION
   ========================================================= */
.intro-text {
  text-align: center;
  padding: clamp(5rem, 12vw, 9rem) 1.5rem;
  max-width: 820px;
  margin: 0 auto;
}
.intro-text__label { color: var(--gold); display: block; margin-bottom: 1.8rem; }
.intro-text__quote {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(1.5rem, 3.6vw, 2.5rem);
  line-height: 1.5;
  color: var(--ink);
}

/* =========================================================
   EN-TÊTE DE SECTION
   ========================================================= */
.section-head { text-align: center; max-width: 720px; margin: 0 auto clamp(3rem, 6vw, 4.5rem); padding: 0 1.5rem; }
.section-head__label { color: var(--gold); display: block; margin-bottom: 1.1rem; }
.section-head__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.4rem, 6vw, 4rem);
  line-height: 1.1;
}
.section-head__sub { color: var(--ink-soft); margin-top: 1rem; font-size: 0.98rem; }

/* =========================================================
   GALERIE — FILTRE · CHAPITRES · GRILLE JUSTIFIÉE
   ========================================================= */
.gallery { padding: 0 clamp(0.7rem, 3vw, 3rem) clamp(3rem, 7vw, 6rem); }

/* --- Filtre Tout · Mairie · Église --- */
.filter {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: clamp(0.8rem, 3vw, 2.4rem);
  margin: 0 auto clamp(2.5rem, 6vw, 4.2rem);
}
.filter__btn {
  position: relative;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--sans);
  font-weight: 400;
  font-size: 0.74rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding: 0.5rem 0.2rem 0.7rem;
  transition: color 0.4s var(--ease);
}
.filter__btn::after {
  content: "";
  position: absolute;
  left: 50%; bottom: 0;
  width: 0; height: 1px;
  background: var(--gold);
  transform: translateX(-50%);
  transition: width 0.5s var(--ease);
}
.filter__btn:hover { color: var(--ink); }
.filter__btn.is-active { color: var(--ink); }
.filter__btn.is-active::after { width: 100%; }
.filter__count {
  font-family: var(--serif);
  font-style: italic;
  text-transform: none;
  letter-spacing: 0;
  font-size: 0.86rem;
  color: var(--gold);
  margin-left: 0.45em;
}

/* --- Chapitre --- */
.sections { max-width: 1680px; margin: 0 auto; }
.chapter { margin-bottom: clamp(3.5rem, 8vw, 7rem); }
.chapter:last-child { margin-bottom: 0; }
.chapter[hidden] { display: none; }

.chapter__head {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(1rem, 4vw, 2.6rem);
  margin: 0 auto clamp(2rem, 4vw, 3.2rem);
  padding: 0 0.5rem;
}
.chapter__rule {
  flex: 1;
  height: 1px;
  max-width: 200px;
  background: linear-gradient(to var(--dir, right), transparent, var(--line) 60%);
}
.chapter__rule--l { --dir: left; }
.chapter__titlewrap { text-align: center; flex: 0 0 auto; }
.chapter__label {
  display: block;
  font-size: 0.66rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.5rem;
}
.chapter__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.05;
}
.chapter__dl {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.9rem;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--sans);
  font-size: 0.66rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-soft);
  transition: color 0.4s var(--ease);
}
.chapter__dl svg { width: 14px; height: 14px; }
.chapter__dl:hover { color: var(--gold); }

/* --- Photo de couverture du chapitre (bannière éditoriale) --- */
.chapter__cover {
  position: relative;
  width: 100%;
  height: clamp(300px, 56vh, 640px);
  overflow: hidden;
  margin-bottom: 6px;
  cursor: pointer;
  background: var(--cream);
}
.chapter__cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.6s var(--ease); }
.chapter__cover:hover img { transform: scale(1.05); }

/* --- Grille justifiée (rangées calculées en JS) --- */
.jgrid { width: 100%; }
.jrow { display: flex; }            /* gap + margin posés en ligne par main.js */

.figure {
  position: relative;
  flex: 0 0 auto;
  overflow: hidden;
  background: var(--cream);
  cursor: pointer;
  /* état initial pour l'apparition au scroll */
  opacity: 0;
  transform: translateY(22px) scale(0.985);
  transition: opacity 0.95s var(--ease), transform 0.95s var(--ease);
}
.figure.is-visible { opacity: 1; transform: none; }

.figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 1.2s var(--ease), filter 0.8s var(--ease);
  filter: saturate(0.97);
}
.figure:hover img { transform: scale(1.07); filter: saturate(1.06); }

/* fin liseré doré au survol */
.figure::after {
  content: "";
  position: absolute;
  inset: 9px;
  border: 1px solid rgba(255,255,255,0.7);
  opacity: 0;
  transition: opacity 0.5s var(--ease);
  pointer-events: none;
  z-index: 2;
}
.figure:hover::after { opacity: 1; }

.figure__overlay {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 0.9rem 1rem;
  background: linear-gradient(to top, rgba(34,30,26,0.5) 0%, rgba(34,30,26,0) 52%);
  opacity: 0;
  transition: opacity 0.5s var(--ease);
}
.figure:hover .figure__overlay,
.figure:focus-within .figure__overlay { opacity: 1; }

.figure__view {
  color: var(--white);
  font-size: 0.62rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.figure__dl {
  flex: 0 0 auto;
  width: 40px; height: 40px;
  border: none;
  border-radius: 50%;
  background: rgba(255,255,255,0.92);
  color: var(--ink);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: background 0.4s var(--ease), transform 0.4s var(--ease);
}
.figure__dl:hover { background: var(--gold); color: var(--white); transform: translateY(-2px); }
.figure__dl svg { width: 16px; height: 16px; }

.gallery__empty {
  text-align: center;
  max-width: 540px;
  margin: 2rem auto;
  color: var(--ink-soft);
}
.gallery__empty p { font-family: var(--serif); font-size: 1.6rem; color: var(--ink); margin-bottom: 0.8rem; }
.gallery__empty code { font-family: ui-monospace, monospace; background: var(--cream); padding: 0.1em 0.4em; border-radius: 3px; font-size: 0.82em; }

/* =========================================================
   TÉLÉCHARGER TOUT
   ========================================================= */
.download {
  background: var(--cream);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  padding: clamp(4.5rem, 10vw, 8rem) 1.5rem;
  text-align: center;
}
.download__inner { max-width: 640px; margin: 0 auto; }
.download__sub { color: var(--ink-soft); margin: 1rem 0 2.4rem; }

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--sans);
  font-weight: 400;
  font-size: 0.78rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--ink);
  padding: 1.15rem 2.6rem;
  cursor: pointer;
  overflow: hidden;
  transition: color 0.5s var(--ease), border-color 0.5s var(--ease);
}
.btn__label { position: relative; z-index: 1; }
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.55s var(--ease);
  z-index: 0;
}
.btn:hover { color: var(--white); border-color: var(--ink); }
.btn:hover::before { transform: scaleX(1); }
.btn:disabled { opacity: 0.5; cursor: progress; }

.download__progress { margin-top: 2.4rem; }
.download__bar {
  height: 2px;
  width: 100%;
  max-width: 360px;
  margin: 0 auto 0.9rem;
  background: var(--greige);
  overflow: hidden;
}
.download__bar span {
  display: block;
  height: 100%;
  width: 0;
  background: var(--gold);
  transition: width 0.3s var(--ease);
}
.download__status { font-size: 0.78rem; letter-spacing: 0.1em; color: var(--ink-soft); }

/* =========================================================
   PIED DE PAGE
   ========================================================= */
.footer {
  text-align: center;
  padding: clamp(4rem, 9vw, 7rem) 1.5rem clamp(3rem, 6vw, 4.5rem);
  background: var(--ivory);
}
.footer__mono {
  font-family: var(--serif);
  font-size: 2.6rem;
  letter-spacing: 0.1em;
  color: var(--ink);
}
.footer__mono span { color: var(--gold); font-style: italic; }
.footer__names {
  font-family: var(--serif);
  font-size: 1.4rem;
  letter-spacing: 0.12em;
  margin-top: 0.8rem;
}
.footer__note { color: var(--ink-soft); font-size: 0.84rem; letter-spacing: 0.16em; margin-top: 1rem; text-transform: uppercase; }

/* =========================================================
   LIGHTBOX
   ========================================================= */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(26, 23, 20, 0.94);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s var(--ease), visibility 0.5s var(--ease);
}
.lightbox.is-open { opacity: 1; visibility: visible; }

.lightbox__stage {
  max-width: 90vw;
  max-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lightbox__stage img {
  max-width: 90vw;
  max-height: 80vh;
  object-fit: contain;
  box-shadow: 0 40px 80px -20px rgba(0,0,0,0.6);
  opacity: 0;
  transform: scale(0.97);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}
.lightbox.is-open .lightbox__stage img { opacity: 1; transform: scale(1); }

.lightbox__close {
  position: absolute;
  top: clamp(1rem, 3vw, 2rem);
  right: clamp(1rem, 3vw, 2.4rem);
  background: none;
  border: none;
  color: rgba(255,255,255,0.8);
  font-size: 2.6rem;
  line-height: 1;
  cursor: pointer;
  transition: color 0.3s var(--ease), transform 0.3s var(--ease);
}
.lightbox__close:hover { color: var(--white); transform: rotate(90deg); }

.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: rgba(255,255,255,0.7);
  font-size: 3rem;
  cursor: pointer;
  padding: 0.4rem 1rem;
  transition: color 0.3s var(--ease);
  user-select: none;
}
.lightbox__nav:hover { color: var(--white); }
.lightbox__nav--prev { left: clamp(0.4rem, 2vw, 1.6rem); }
.lightbox__nav--next { right: clamp(0.4rem, 2vw, 1.6rem); }

.lightbox__bar {
  position: absolute;
  bottom: clamp(1.2rem, 4vw, 2.4rem);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 1.6rem;
  color: var(--white);
}
.lightbox__count {
  font-size: 0.74rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
}
.lightbox__dl {
  font-family: var(--sans);
  font-size: 0.7rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--white);
  background: transparent;
  border: 1px solid rgba(255,255,255,0.5);
  padding: 0.7rem 1.4rem;
  cursor: pointer;
  transition: background 0.4s var(--ease), color 0.4s var(--ease), border-color 0.4s var(--ease);
}
.lightbox__dl:hover { background: var(--white); color: var(--ink); border-color: var(--white); }

/* =========================================================
   RÉVÉLATION AU SCROLL
   ========================================================= */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 1.1s var(--ease), transform 1.1s var(--ease); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* =========================================================
   ACCESSIBILITÉ — MOUVEMENT RÉDUIT
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
  .reveal, .figure { opacity: 1 !important; transform: none !important; }
  .intro__label, .intro__names, .intro__line, .intro__date { opacity: 1; animation: none; }
  .intro__line { width: 88px; }
}