/* ==========================================================================
   Portail d'entrée · Alison Judalet · Nanalison36 Photographie
   Deux univers face à face : Boudoir (nuit, or) · Mariage & Famille (jour, lin)
   ========================================================================== */

:root {
  --nuit:       #14100c;   /* fond profond du portail */
  --or:         #c9a25e;   /* filets, accents boudoir */
  --champagne:  #e9d7ae;   /* lueurs, hover boudoir */
  --creme:      #f5efe3;   /* texte principal sur photo */
  --lin:        #f2eae0;   /* clair de l'univers famille */
  --sepia:      #453529;   /* ombres chaudes côté famille */
  --rose:       #d8a894;   /* accent poudré famille */

  --ease-porte: cubic-bezier(.22, 1, .36, 1);
}

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

/* visible des moteurs et lecteurs d'écran, pas à l'écran */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

html, body { height: 100%; }

body {
  font-family: "Jost", sans-serif;
  background: var(--nuit);
  color: var(--creme);
  overflow: hidden;
}

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

/* --------------------------------------------------------------------------
   Marque (haut de page, au-dessus des deux volets)
   -------------------------------------------------------------------------- */

.marque {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 6;
  padding: clamp(1.4rem, 3.2vh, 2.4rem) 1rem 3.4rem;
  text-align: center;
  pointer-events: none;
  background: linear-gradient(to bottom, rgba(16, 12, 9, .58), rgba(16, 12, 9, .28) 55%, transparent);
  animation: descendre 1.4s var(--ease-porte) both;
  animation-delay: .55s;
}

.marque-nom {
  font-family: "Italiana", serif;
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  letter-spacing: .38em;
  text-indent: .38em; /* compense la dernière lettre espacée */
  text-transform: uppercase;
}

.marque-sous {
  margin-top: .45rem;
  font-size: .62rem;
  font-weight: 400;
  letter-spacing: .5em;
  text-indent: .5em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--champagne) 80%, white 20%);
  opacity: .85;
}

/* --------------------------------------------------------------------------
   Les deux volets
   -------------------------------------------------------------------------- */

.portes {
  position: relative;
  display: flex;
  height: 100dvh;
}

.porte {
  position: relative;
  flex: 1 1 0;
  overflow: hidden;
  display: block;
  text-decoration: none;
  color: var(--creme);
  transition: flex 1.05s var(--ease-porte);
  outline: none;
}

.porte:hover,
.porte:focus-visible { flex: 1.45 1 0; }

/* photo pleine hauteur */
.porte-photo {
  position: absolute;
  inset: 0;
}

.porte-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.06);
  transition: transform 1.6s var(--ease-porte), filter 1.6s var(--ease-porte);
  animation: reveler 2.2s var(--ease-porte) both;
}

.porte--famille .porte-photo img { animation-delay: .12s; }

.porte:hover .porte-photo img,
.porte:focus-visible .porte-photo img { transform: scale(1.12); }

/* voiles d'ambiance : chaque univers a sa lumière */
.voile {
  position: absolute;
  inset: 0;
  z-index: 1;
  transition: opacity 1.2s var(--ease-porte);
}

.porte--boudoir .voile {
  background:
    linear-gradient(205deg, rgba(20, 14, 10, .32) 0%, rgba(20, 14, 10, .16) 42%, rgba(16, 11, 8, .82) 100%);
}

.porte--famille .voile {
  background:
    linear-gradient(160deg, rgba(242, 234, 224, .18) 0%, rgba(90, 66, 52, .12) 45%, rgba(56, 40, 30, .72) 100%);
}

.porte:hover .voile,
.porte:focus-visible .voile { opacity: .82; }

/* fin cadre intérieur, façon passe-partout, révélé au survol */
.cadre {
  position: absolute;
  inset: 18px;
  z-index: 2;
  border: 1px solid transparent;
  transition: border-color .9s var(--ease-porte);
  pointer-events: none;
}

.porte--boudoir:hover .cadre,
.porte--boudoir:focus-visible .cadre { border-color: rgba(201, 162, 94, .5); }

.porte--famille:hover .cadre,
.porte--famille:focus-visible .cadre { border-color: rgba(245, 239, 227, .55); }

/* focus clavier bien visible */
.porte:focus-visible { box-shadow: inset 0 0 0 3px var(--champagne); }

/* ----------------------------------------------------------------------
   Contenu des volets
   ---------------------------------------------------------------------- */

.porte-contenu {
  position: absolute;
  z-index: 3;
  bottom: clamp(2.2rem, 7vh, 4.5rem);
  display: grid;
  gap: .55rem;
}

.porte--boudoir .porte-contenu {
  left: clamp(1.6rem, 5vw, 4.5rem);
  animation: monter 1.5s var(--ease-porte) both;
  animation-delay: .85s;
}

.porte--famille .porte-contenu {
  right: clamp(1.6rem, 5vw, 4.5rem);
  text-align: right;
  justify-items: end;
  animation: monter 1.5s var(--ease-porte) both;
  animation-delay: 1s;
}

/* numéro romain + filet */
.porte-num {
  display: inline-flex;
  align-items: center;
  gap: .8rem;
  font-size: .72rem;
  letter-spacing: .4em;
  font-weight: 400;
}

.porte--famille .porte-num { flex-direction: row-reverse; }

.porte--boudoir .porte-num { color: var(--or); }
.porte--famille .porte-num { color: var(--rose); }

.filet {
  width: 44px;
  height: 1px;
  background: currentColor;
  opacity: .85;
  transition: width .9s var(--ease-porte);
}

.porte:hover .filet,
.porte:focus-visible .filet { width: 78px; }

.porte-titre {
  font-family: "Italiana", serif;
  font-weight: 400;
  font-size: clamp(2.6rem, 5.4vw, 4.9rem);
  line-height: 1.02;
  letter-spacing: .06em;
  transition: letter-spacing 1.1s var(--ease-porte);
}

.porte:hover .porte-titre,
.porte:focus-visible .porte-titre { letter-spacing: .11em; }

.esperluette {
  font-family: "Cormorant Garamond", serif;
  font-style: italic;
  font-size: .68em;
  color: var(--rose);
}

.porte-sous {
  font-family: "Cormorant Garamond", serif;
  font-style: italic;
  font-size: clamp(1.02rem, 1.5vw, 1.25rem);
  color: color-mix(in srgb, var(--creme) 88%, transparent);
}

/* appel à entrer */
.entrer {
  margin-top: .9rem;
  display: inline-block;
  font-size: .66rem;
  font-weight: 500;
  letter-spacing: .34em;
  text-transform: uppercase;
  padding-bottom: .45rem;
  position: relative;
  opacity: .92;
}

.porte--boudoir .entrer { color: var(--champagne); }
.porte--famille .entrer { color: var(--lin); }

.entrer-ligne {
  position: absolute;
  left: 0; bottom: 0;
  height: 1px;
  width: 100%;
  background: currentColor;
  transform: scaleX(.22);
  transform-origin: left;
  transition: transform 1s var(--ease-porte);
  opacity: .85;
}

.porte--famille .entrer-ligne { transform-origin: right; }

.porte:hover .entrer-ligne,
.porte:focus-visible .entrer-ligne { transform: scaleX(1); }

/* ----------------------------------------------------------------------
   Sceau central : médaillon + devise
   ---------------------------------------------------------------------- */

.sceau {
  position: absolute;
  z-index: 4;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: grid;
  justify-items: center;
  gap: 1.15rem;
  width: min(430px, 86vw);
  padding: 2.6rem 1rem;
  text-align: center;
  pointer-events: none;
  background: radial-gradient(closest-side, rgba(16, 11, 8, .5), rgba(16, 11, 8, .28) 58%, transparent);
  animation: apparaitre 1.8s var(--ease-porte) both;
  animation-delay: 1.15s;
}

.medaillon {
  width: clamp(118px, 13vw, 150px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--creme);
  display: grid;
  place-items: center;
  padding: 8px;
  box-shadow:
    0 0 0 1px rgba(201, 162, 94, .9),
    0 0 0 7px rgba(20, 14, 10, .35),
    0 0 0 8px rgba(201, 162, 94, .45),
    0 18px 45px rgba(0, 0, 0, .45);
}

.medaillon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.devise {
  font-family: "Cormorant Garamond", serif;
  font-style: italic;
  font-weight: 500;
  font-size: clamp(1.1rem, 1.7vw, 1.35rem);
  letter-spacing: .04em;
  color: var(--creme);
  text-shadow: 0 1px 14px rgba(0, 0, 0, .55);
}

/* --------------------------------------------------------------------------
   Pied de page
   -------------------------------------------------------------------------- */

.pied a {
  color: inherit;
  text-decoration: none;
  pointer-events: auto;
  transition: color .4s;
}

.pied a:hover, .pied a:focus-visible { color: var(--champagne); }

.pied {
  position: fixed;
  z-index: 6;
  left: 0; right: 0; bottom: 0;
  padding: 1rem;
  text-align: center;
  pointer-events: none;
  font-size: .6rem;
  letter-spacing: .32em;
  text-indent: .32em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--creme) 62%, transparent);
  animation: apparaitre 1.6s var(--ease-porte) both;
  animation-delay: 1.6s;
}

/* --------------------------------------------------------------------------
   Grain argentique
   -------------------------------------------------------------------------- */

.grain {
  position: fixed;
  inset: 0;
  z-index: 9;
  pointer-events: none;
  opacity: .07;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160' viewBox='0 0 160 160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* --------------------------------------------------------------------------
   Animations d'entrée
   -------------------------------------------------------------------------- */

@keyframes reveler {
  from { transform: scale(1.16); filter: brightness(.4); }
  to   { transform: scale(1.06); filter: brightness(1); }
}

@keyframes monter {
  from { opacity: 0; transform: translateY(26px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes descendre {
  from { opacity: 0; transform: translateY(-18px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes apparaitre {
  from { opacity: 0; transform: translate(-50%, -50%) scale(.92); }
  to   { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}

.pied { animation-name: apparaitrePied; }

@keyframes apparaitrePied {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* --------------------------------------------------------------------------
   Mobile : les deux univers s'empilent, le sceau devient cachet de cire
   -------------------------------------------------------------------------- */

@media (max-width: 820px) {

  body { overflow: auto; }

  .portes {
    flex-direction: column;
    height: auto;
    min-height: 100dvh;
  }

  .porte { min-height: 50dvh; }

  .porte:hover,
  .porte:focus-visible { flex: 1 1 0; }

  .marque { padding-bottom: 2.2rem; }
  .marque-nom { letter-spacing: .28em; text-indent: .28em; }

  .porte--boudoir .porte-contenu {
    left: 1.4rem;
    bottom: 4.6rem; /* laisse la place au sceau posé sur la couture */
  }

  .porte--famille .porte-contenu {
    right: 1.4rem;
    bottom: 2rem;
  }

  .porte-titre { font-size: clamp(2.3rem, 9.5vw, 3.2rem); }

  .sceau {
    width: min(300px, 86vw);
    padding: 1.6rem .8rem;
    gap: .8rem;
    background: radial-gradient(closest-side, rgba(16, 11, 8, .55), rgba(16, 11, 8, .3) 60%, transparent);
  }

  .medaillon { width: 96px; padding: 10px; }

  .devise { font-size: 1.02rem; }

  .pied { display: none; }
}

/* --------------------------------------------------------------------------
   Accessibilité : mouvement réduit
   -------------------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-delay: 0ms !important;
    transition-duration: .01ms !important;
  }
}