/* Carte d'invitation : pensée d'abord pour le téléphone, là où l'invité ouvre le lien */
@font-face { font-family: "Fraunces"; src: url("fonts/fraunces.woff2") format("woff2"); font-weight: 400 700; font-display: swap; }
@font-face { font-family: "Inter"; src: url("fonts/inter.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }

.theme-mariage { --fond: #EFE9DD; --papier: #FBF8F1; --encre: #2F3A2E; --texte: #4A5248; --accent: #6F8564; --accent-fonce: #4F6347; --or: #B08D4C; --filet: #DDD3BF; --sur-accent: #fff; }
.theme-entreprise { --fond: #121B2B; --papier: #FAF7F2; --encre: #16233A; --texte: #465063; --accent: #B86B3C; --accent-fonce: #96522A; --or: #B86B3C; --filet: #E3DACB; --sur-accent: #fff; }

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-height: 100vh; font-family: "Inter", system-ui, sans-serif; font-size: 17px; line-height: 1.6; color: var(--texte); background: var(--fond); display: flex; flex-direction: column; align-items: center; }
h1, h2, h3 { font-family: "Fraunces", Georgia, serif; color: var(--encre); font-weight: 500; line-height: 1.15; margin: 0; }
[hidden] { display: none !important; }

.ruban { margin: 0; width: 100%; padding: 8px 16px; text-align: center; font-size: .82rem; background: var(--encre); color: #fff; }

/* ---------- Bouton */
.bouton { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 28px; border: 0; border-radius: 999px; background: var(--accent); color: var(--sur-accent); font: 600 1rem "Inter", system-ui, sans-serif; cursor: pointer; transition: background .2s, transform .2s; }
.bouton:hover { background: var(--accent-fonce); }
.bouton:active { transform: scale(.98); }
.bouton.clair { background: transparent; color: var(--accent-fonce); box-shadow: inset 0 0 0 1.5px var(--accent); }
.bouton.clair:hover { background: color-mix(in srgb, var(--accent) 12%, transparent); }
:focus-visible { outline: 3px solid var(--or); outline-offset: 3px; }
.lien { background: none; border: 0; padding: 0; font: inherit; color: var(--accent-fonce); text-decoration: underline; cursor: pointer; }

/* ---------- Enveloppe (affichée seulement si le script tourne) */
.accueil { display: none; }
.js .accueil { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 22px; flex: 1; width: 100%; padding: 40px 20px 56px; }
.js .carte, .js .pied { display: none; }
.js.ouverte .accueil { display: none; }
.js.ouverte .carte { display: block; animation: apparait .7s ease both; }
.js.ouverte .pied { display: block; }

.enveloppe { position: relative; width: min(320px, 84vw); aspect-ratio: 3 / 2; margin-top: 70px; perspective: 900px; filter: drop-shadow(0 16px 22px rgba(0, 0, 0, .22)); }
.enveloppe .poche { position: absolute; inset: 0; background: linear-gradient(180deg, #fff, var(--papier)); clip-path: polygon(0 0, 50% 52%, 100% 0, 100% 100%, 0 100%); z-index: 3; }
.enveloppe::before { content: ""; position: absolute; inset: 0; background: color-mix(in srgb, var(--papier) 82%, var(--encre)); z-index: 1; }
.enveloppe .rabat { position: absolute; inset: 0 0 auto 0; height: 58%; background: color-mix(in srgb, var(--papier) 92%, var(--encre)); clip-path: polygon(0 0, 100% 0, 50% 100%); transform-origin: top; transition: transform .6s ease, z-index 0s .3s; z-index: 4; filter: drop-shadow(0 3px 3px rgba(0, 0, 0, .12)); }
.enveloppe .sceau { position: absolute; left: 50%; top: 50%; width: 58px; height: 58px; margin: -29px 0 0 -29px; border-radius: 50%; display: grid; place-items: center; background: var(--or); color: #fff; font: 600 1rem "Fraunces", Georgia, serif; box-shadow: 0 3px 8px rgba(0, 0, 0, .25), inset 0 0 0 3px rgba(255, 255, 255, .25); z-index: 5; transition: opacity .3s, transform .3s; }
.enveloppe .lettre { position: absolute; left: 7%; right: 7%; top: 8%; height: 84%; padding: 16px 10px; border-radius: 6px; background: #fff; text-align: center; display: flex; flex-direction: column; gap: 4px; align-items: center; z-index: 2; transition: transform .8s ease .45s; box-shadow: 0 2px 10px rgba(0, 0, 0, .1); }
.enveloppe .lettre span { font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--accent-fonce); }
.enveloppe .lettre strong { font: 500 1.5rem "Fraunces", Georgia, serif; color: var(--encre); }
.enveloppe.ouvre .rabat { transform: rotateX(180deg); z-index: 1; }
.enveloppe.ouvre .sceau { opacity: 0; transform: scale(.6); }
.enveloppe.ouvre .lettre { transform: translateY(-46%); }
.destinataire { margin: 0; font: 400 1.25rem "Fraunces", Georgia, serif; color: var(--papier); text-align: center; }
.theme-mariage .destinataire { color: var(--encre); }

/* ---------- Carte */
.carte { width: min(640px, 100% - 24px); margin: 24px auto 0; padding: 40px 22px 36px; background: var(--papier); border-radius: 18px; box-shadow: 0 20px 50px rgba(0, 0, 0, .18); text-align: center; }
.ornement { width: 170px; height: auto; color: var(--or); margin: 0 auto 10px; display: block; }
.surtitre { margin: 0 0 6px; font-size: .8rem; letter-spacing: .2em; text-transform: uppercase; color: var(--accent-fonce); }
h1 { font-size: clamp(2.6rem, 12vw, 4.2rem); letter-spacing: -.01em; }
h1 .et { color: var(--or); font-style: italic; font-weight: 400; }
.theme-entreprise h1 { font-size: clamp(4rem, 20vw, 6.5rem); color: var(--accent); line-height: 1; }
.quand { margin: 18px 0 0; font: 500 1.3rem "Fraunces", Georgia, serif; color: var(--encre); }
.ou { margin: 2px 0 0; }
.mot { margin: 28px auto 0; max-width: 30em; font-size: 1.08rem; }
.mot strong { color: var(--encre); }

.infos { display: grid; gap: 12px; margin: 30px 0 0; text-align: left; }
.infos > div { padding: 16px 18px; border: 1px solid var(--filet); border-radius: 14px; background: #fff; }
.infos dt { font-size: .74rem; letter-spacing: .16em; text-transform: uppercase; color: var(--accent-fonce); margin-bottom: 4px; }
.infos dd { margin: 0; color: var(--encre); font-size: .97rem; }

.programme { margin-top: 36px; }
h2 { font-size: 1.7rem; }
.programme ol { list-style: none; margin: 18px auto 0; padding: 0; max-width: 360px; text-align: left; }
.programme li { position: relative; display: grid; grid-template-columns: 74px 1fr; gap: 14px; padding: 0 0 18px 22px; border-left: 1.5px solid var(--filet); }
.programme li:last-child { padding-bottom: 0; border-left-color: transparent; }
.programme li::before { content: ""; position: absolute; left: -6.5px; top: 7px; width: 11px; height: 11px; border-radius: 50%; background: var(--or); box-shadow: 0 0 0 4px var(--papier); }
.programme time { font-weight: 600; color: var(--encre); font-variant-numeric: tabular-nums; }

.agenda { margin-top: 32px; display: flex; flex-direction: column; align-items: center; gap: 14px; }
.agenda-choix { display: flex; flex-direction: column; align-items: center; gap: 12px; }
.agenda-menu { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.agenda-menu a { display: inline-block; padding: 9px 16px; border: 1px solid var(--filet); border-radius: 999px; background: #fff; color: var(--encre); font-size: .92rem; font-weight: 500; text-decoration: none; }
.agenda-menu a:hover { border-color: var(--accent); }
/* Avec le script : une liste qui s'ouvre par-dessus la page, sans pousser ce qui suit */
.js .agenda-choix { position: relative; }
.js #agenda::after { content: ""; width: 8px; height: 8px; margin: -4px 0 0 12px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: rotate(45deg); transition: transform .2s; }
.js #agenda[aria-expanded="true"]::after { transform: rotate(225deg); margin-top: 4px; }
.js .agenda-menu { position: absolute; z-index: 10; top: calc(100% + 8px); left: 50%; transform: translateX(-50%); width: max-content; min-width: 100%; display: grid; gap: 2px; padding: 6px; border: 1px solid var(--filet); border-radius: 14px; background: #fff; box-shadow: 0 14px 34px rgba(0, 0, 0, .16); text-align: left; }
.js .agenda-menu a { display: block; padding: 11px 16px; border: 0; border-radius: 9px; font-size: .97rem; }
.js .agenda-menu a:hover, .js .agenda-menu a:focus-visible { background: color-mix(in srgb, var(--accent) 12%, #fff); }
.compte { margin: 0; font: 500 1.15rem "Fraunces", Georgia, serif; color: var(--encre); }

/* ---------- Réponse */
.reponse { margin-top: 44px; padding-top: 34px; border-top: 1px solid var(--filet); }
.limite { margin: 6px 0 22px; }
form { display: grid; gap: 18px; text-align: left; max-width: 440px; margin: 0 auto; }
.champ { display: grid; gap: 6px; font-weight: 500; color: var(--encre); }
.champ small { font-weight: 400; color: var(--texte); }
.champ > span { display: block; }
input[type="text"], textarea { width: 100%; padding: 13px 14px; border: 1.5px solid var(--filet); border-radius: 12px; background: #fff; font: inherit; color: var(--encre); }
input[type="text"]:focus, textarea:focus { border-color: var(--accent); outline: none; box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent); }
textarea { resize: vertical; }
.choix { border: 0; margin: 0; padding: 0; display: grid; gap: 10px; }
.choix legend { padding: 0; margin-bottom: 8px; font-weight: 500; color: var(--encre); }
.choix label { position: relative; display: flex; cursor: pointer; }
.choix input { position: absolute; opacity: 0; inset: 0; }
.choix span { flex: 1; padding: 14px 16px; border: 1.5px solid var(--filet); border-radius: 12px; background: #fff; color: var(--encre); transition: border-color .2s, background .2s; }
.choix input:checked + span { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, #fff); font-weight: 600; }
.choix input:focus-visible + span { outline: 3px solid var(--or); outline-offset: 2px; }
#si-oui { display: grid; gap: 18px; }
.exemples { display: grid; gap: 20px; padding: 18px 18px 20px; border: 1px dashed var(--accent); border-radius: 14px; background: color-mix(in srgb, var(--accent) 6%, transparent); }
.exemples-note { margin: 0; font-size: .88rem; color: var(--texte); }
.exemples-note strong { color: var(--encre); }
.theme-q { display: grid; gap: 12px; }
.theme-nom { margin: 0; font-size: .74rem; letter-spacing: .16em; text-transform: uppercase; color: var(--accent-fonce); }
.choix.petit { display: flex; flex-wrap: wrap; gap: 8px; }
.choix.petit legend { width: 100%; }
.choix.petit label { flex: 1 1 auto; }
.choix.petit span { padding: 10px 14px; font-size: .95rem; text-align: center; }
.erreur { margin: 0; padding: 12px 14px; border-radius: 12px; background: #FBEAE5; color: #8A2E1B; font-weight: 500; }
form .bouton { justify-self: center; margin-top: 4px; }

.merci { max-width: 480px; margin: 0 auto; outline: none; }
.merci h3 { font-size: 1.5rem; }
.merci > p { margin: 8px 0 10px; }
.apercu { margin-top: 28px; text-align: left; }
.apercu-note { margin: 0 0 8px; font-size: .85rem; color: var(--texte); }
.mail { border: 1px dashed var(--accent); border-radius: 14px; padding: 16px 18px; background: #fff; font-size: .95rem; }
.mail-objet { margin: 0 0 10px; font-weight: 600; color: var(--encre); }
.mail dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 4px 14px; }
.mail dt { color: var(--texte); }
.mail dd { margin: 0; color: var(--encre); overflow-wrap: anywhere; }

.signature { margin: 40px 0 0; font: italic 400 1.3rem "Fraunces", Georgia, serif; color: var(--encre); }

.pied { width: min(640px, 100% - 24px); margin: 22px auto 40px; text-align: center; font-size: .9rem; color: var(--texte); }
.theme-entreprise .pied { color: #C9CFDB; }
.pied p { margin: 4px 0; }
.pied a { color: inherit; font-weight: 600; }

@keyframes apparait { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }

.entete-dedans .ornement:last-child { display: none; }

@media (min-width: 680px) {
  .carte { padding: 56px 56px 48px; margin-top: 40px; }
  .infos > div { display: grid; grid-template-columns: 96px 1fr; gap: 16px; align-items: baseline; padding: 16px 20px; }
  .infos dt { margin: 0; }
  .choix { grid-template-columns: 1fr 1fr; }
}

/* ---------- Ordinateur : la carte à gauche, qui reste à l'écran ; les détails et la réponse à droite */
@media (min-width: 980px) {
  .theme-mariage { --panneau: #3C4D39; --sur-panneau: #FBF8F1; --or-clair: #D9BD86; }
  .theme-entreprise { --panneau: #1B2B47; --sur-panneau: #FAF7F2; --or-clair: #E0935F; }

  .carte { width: min(1120px, 100% - 64px); padding: 0; grid-template-columns: 5fr 6fr; text-align: left; }
  .carte, .js.ouverte .carte { display: grid; }
  .js .carte { display: none; }
  .pied { width: min(1120px, 100% - 64px); }

  .entete { border-radius: 18px 0 0 18px; color: var(--sur-panneau); background:
    radial-gradient(circle at 18% 12%, rgba(255, 255, 255, .10), transparent 46%),
    radial-gradient(circle at 88% 92%, rgba(255, 255, 255, .07), transparent 42%),
    var(--panneau); }
  .entete-dedans { position: sticky; top: 0; height: 100vh; max-height: 860px; min-height: 560px; padding: 56px 44px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; }
  .entete-dedans::before { content: ""; position: absolute; inset: 26px; border: 1px solid color-mix(in srgb, var(--or-clair) 55%, transparent); border-radius: 10px; pointer-events: none; }
  .entete .ornement { color: var(--or-clair); width: 190px; margin-bottom: 26px; }
  .entete-dedans .ornement:last-child { display: block; margin: 30px auto 0; }
  .entete .surtitre { color: color-mix(in srgb, var(--sur-panneau) 78%, transparent); letter-spacing: .26em; margin-bottom: 14px; }
  .entete h1 { color: var(--sur-panneau); font-size: clamp(3.4rem, 5.6vw, 5rem); }
  .entete h1 .et { display: block; color: var(--or-clair); font-size: .7em; line-height: 1.1; }
  .theme-entreprise .entete h1 { color: var(--or-clair); font-size: clamp(5rem, 9vw, 7.5rem); }
  .entete .quand { color: var(--sur-panneau); font-size: 1.45rem; margin-top: 28px; }
  .entete .ou { color: color-mix(in srgb, var(--sur-panneau) 80%, transparent); }

  .contenu { padding: 60px 60px 52px; }
  .mot { margin: 0; max-width: none; font: 400 1.5rem/1.4 "Fraunces", Georgia, serif; color: var(--encre); }
  .programme { margin-top: 44px; }
  .programme ol { margin-left: 6px; max-width: none; }
  .agenda { flex-direction: row; align-items: flex-start; gap: 22px; margin-top: 30px; }
  .agenda .compte { line-height: 52px; }
  .agenda-choix { align-items: flex-start; }
  .agenda-menu { justify-content: flex-start; }
  .js .agenda-menu { left: 0; transform: none; }
  .reponse { margin-top: 48px; padding-top: 40px; }
  .reponse .ornement { display: none; }
  form, .merci { margin: 0; max-width: none; }
  form .bouton { justify-self: start; }
  .signature { text-align: right; }

  .enveloppe { width: 420px; margin-top: 110px; }
  .enveloppe .lettre strong { font-size: 2rem; }
  .enveloppe .sceau { width: 70px; height: 70px; margin: -35px 0 0 -35px; font-size: 1.2rem; }
  .destinataire { font-size: 1.5rem; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}