/* =========================================================
   LISTE DE NAISSANCE — Feuille de style
   Palette : crème chaud, encre profonde, sauge, terracotta doux
   Typographie : Fraunces (titres, serif) + Karla (texte)
   Mobile-first ; la grille s'adapte du 1 au 3 colonnes.
   ========================================================= */

/* ---------- 1. Variables globales ---------- */
:root {
  --bg-page: #f3ede2;          /* crème chaud */
  --bg-card: #faf6ef;          /* blanc cassé */
  --bg-hero: #ebe3d4;          /* crème plus soutenu */
  --ink: #2d2a26;              /* encre profonde (texte) */
  --ink-soft: #5a544c;         /* gris-brun pour le texte secondaire */
  --line: #d8cfbf;             /* filets, bordures */
  --sage: #8a9a85;             /* vert sauge */
  --sage-deep: #6b7c66;        /* sauge foncé (hover) */
  --terracotta: #c9806b;       /* terracotta doux */
  --gold: #c9a96e;             /* or pâle (accent discret) */

  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Karla", "Helvetica Neue", Arial, sans-serif;

  --radius: 4px;
  --radius-lg: 10px;
  --shadow-soft: 0 1px 2px rgba(45, 42, 38, 0.04), 0 8px 24px rgba(45, 42, 38, 0.06);
  --shadow-hover: 0 2px 4px rgba(45, 42, 38, 0.06), 0 18px 40px rgba(45, 42, 38, 0.10);

  --max-width: 1100px;
  --gutter: clamp(20px, 4vw, 48px);
}

/* ---------- 2. Réinitialisation légère ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background-color: var(--bg-page);
  /* Texture papier très subtile (grain) — purement décorative */
  background-image:
    radial-gradient(circle at 20% 10%, rgba(201, 169, 110, 0.06) 0, transparent 40%),
    radial-gradient(circle at 85% 80%, rgba(138, 154, 133, 0.07) 0, transparent 45%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--sage-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

a:hover {
  color: var(--terracotta);
}

/* ---------- 3. HERO ---------- */
.hero {
  padding: clamp(60px, 12vw, 140px) var(--gutter) clamp(50px, 9vw, 100px);
  background-color: var(--bg-hero);
  border-bottom: 1px solid var(--line);
  text-align: center;
  position: relative;
}

.hero__inner {
  max-width: 760px;
  margin: 0 auto;
}

.hero__eyebrow {
  font-family: var(--font-body);
  font-size: 20px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 28px;
  font-weight: 500;
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.4rem, 6vw, 2rem);
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0 0 18px;
  font-variation-settings: "opsz" 144;
}

.hero__subtitle {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--sage-deep);
  margin: 0 0 40px;
  font-weight: 400;
}

.hero__text {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-style: italic;
  color: var(--ink-soft);
  max-width: 700px;
  margin: 0 auto;
}

.hero__text p {
  margin: 0;
}

.hero__ornament {
  margin-top: 56px;
  font-size: 1.5rem;
  color: var(--gold);
  letter-spacing: 0.5em;
  opacity: 0.8;
}

/* ---------- 5. GALERIE (cartes cadeaux) ---------- */
.gallery {
  padding: clamp(60px, 9vw, 110px) var(--gutter);
  background-color: var(--bg-hero);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.gallery__inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.gallery__intro {
  max-width: 700px;
  margin: 0 auto clamp(32px, 5vw, 56px);
}

.gallery__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  text-align: center;
  margin: 0 0 18px;
  font-variation-settings: "opsz" 96;
}

.gallery__lede {
  text-align: center;
  color: var(--ink-soft);
  font-style: italic;
  font-family: var(--font-display);
  margin: 0 0 14px;
  font-size: 1.05rem;
}

.gallery__lede:last-child {
  margin-bottom: 0;
}

.gallery__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr); /* smartphone : 2 colonnes */
  gap: clamp(12px, 3vw, 36px);
}

/* Smartphone : cartes compactes pour tenir à 2 de large */
@media (max-width: 639px) {
  .card__title {
    font-size: 0.88rem;
    line-height: 1.2;
    margin: 10px 10px 4px;
  }

  .card__desc {
    font-size: 0.78rem;
    margin: 0 10px 14px;
    line-height: 1.3;
  }
}

/* Desktop : 3 colonnes */
@media (min-width: 980px) {
  .gallery__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---------- 6. CARTES ---------- */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-soft);
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--sage);
}

.card__media {
  aspect-ratio: 4 / 3;
  background-color: var(--bg-hero);
  overflow: hidden;
  position: relative;
}

.card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.card:hover .card__media img {
  transform: scale(1.04);
}

.card__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.2rem;
  margin: 22px 22px 6px;
  color: var(--ink);
  font-variation-settings: "opsz" 48;
}

.card__desc {
  color: var(--ink-soft);
  font-size: 0.95rem;
  margin: 0 22px 26px;
  line-height: 1.55;
}

/* ---------- 7. SECTION PARTICIPER ---------- */
.participate {
  padding: clamp(60px, 9vw, 110px) var(--gutter);
}

.participate__inner {
  max-width: 980px;
  margin: 0 auto;
  text-align: center;
}

.participate__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  margin: 0 0 10px;
  font-variation-settings: "opsz" 96;
}

.participate__lede {
  font-family: var(--font-display);
  font-style: normal;
  color: var(--ink-soft);
  margin: 0 0 clamp(40px, 6vw, 60px);
  font-size: 1.05rem;
}

.participate__thanks {
  margin-top: clamp(48px, 7vw, 72px);
  padding-top: 32px;
  border-top: 1px solid var(--line);
  font-family: var(--font-display);
  font-style: italic;
  color: var(--ink-soft);
  font-size: 1.2rem;
}

.participate__thanks p {
  margin: 0 0 6px;
}

.participate__thanks p:last-of-type {
  margin-bottom: 0;
}

.participate__heart {
  margin-top: 20px;
  font-size: 1.5rem;
  color: var(--terracotta);
}

.participate__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  text-align: left;
}

@media (min-width: 720px) {
  .participate__grid {
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: minmax(0, 340px);
    justify-content: center;
  }
}

.info-card {
  background-color: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 26px 24px;
  box-shadow: var(--shadow-soft);
}

.info-card__icon {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--terracotta);
  margin-bottom: 10px;
  display: inline-block;
  width: 36px;
  height: 36px;
  line-height: 36px;
  text-align: center;
  border: 1px solid var(--terracotta);
  border-radius: 50%;
  background-color: rgba(201, 128, 107, 0.08);
}

.info-card__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.15rem;
  margin: 0 0 8px;
  color: var(--ink);
}

.info-card__body {
  color: var(--ink-soft);
  font-size: 0.95rem;
  margin: 0;
  word-break: break-word;
}

/* ---------- 8. BOUTON MESSAGE ---------- */
.message {
  padding: clamp(40px, 7vw, 80px) var(--gutter);
}

.message-cta {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.message-cta p {
  margin: 0;
}

.message-cta .btn {
  margin-top: 28px;
}

/* Illustration sous le bouton : ~la moitié de la largeur du bouton (≈ 270px) */
.message-cta__img {
  width: 100px;
  margin: 24px auto 0;
}

.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 1rem;
  letter-spacing: 0.04em;
  padding: 16px 36px;
  background-color: var(--ink);
  color: var(--bg-card);
  border-radius: 999px;
  text-decoration: none;
  border: 1px solid var(--ink);
  transition: background-color 0.25s ease, color 0.25s ease, transform 0.25s ease;
}

.btn:hover {
  background-color: var(--terracotta);
  border-color: var(--terracotta);
  color: var(--bg-card);
  transform: translateY(-1px);
}

.message-cta__hint {
  margin-top: 24px;
  font-size: 0.82rem;
  color: var(--ink-soft);
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.55;
}

.message-cta__hint code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  background-color: var(--bg-card);
  border: 1px solid var(--line);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 0.78rem;
  color: var(--ink);
}

/* ---------- 10. Petites attentions d'accessibilité ---------- */
:focus-visible {
  outline: 2px solid var(--terracotta);
  outline-offset: 3px;
  border-radius: 3px;
}

/* Préférence "réduire les animations" */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition: none !important;
    animation-duration: 0.001s !important;
    scroll-behavior: auto !important;
  }
}