/* =====================================================================
   Désiré & Valdine — 17 octobre 2026
   Fond ivoire · écriture noire · or en accent
   (palette issue de la planche d'inspiration : noir, or, champagne, ivoire)
   ===================================================================== */

:root{
  /* les 4 teintes du thème */
  --ivoire:     #F4EFE6;
  --or:         #C8A34A;
  --champagne:  #D8C4A6;
  --noir:       #0A0A0A;

  /* déclinaisons claires */
  --ivoire-haut: #FBF8F2;   /* sections alternées, cartes */
  --blanc:       #FFFDF9;
  --noir-doux:   #33302B;   /* texte courant */
  --gris:        #7C7365;   /* légendes, mentions */
  --or-sombre:   #9A7B33;
  --or-clair:    #E0C47F;

  --line:        #E4DACA;                  /* filets discrets */
  --line-or:     rgba(200,163,74,.42);     /* filets dorés */
  --err:         #A5462F;

  --serif: "Cormorant Garamond", "Iowan Old Style", Georgia, "Times New Roman", serif;
  --sans:  "Jost", "Avenir Next", "Segoe UI", system-ui, sans-serif;

  --wrap: 1100px;
  --r: 2px;
}

*,*::before,*::after{ box-sizing:border-box; }

html{ scroll-behavior:smooth; background:var(--ivoire); }

body{
  margin:0;
  background:var(--ivoire);
  color:var(--noir-doux);
  font-family:var(--sans);
  font-weight:300;
  font-size:17px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}

img{ max-width:100%; display:block; }
::selection{ background:var(--or); color:var(--blanc); }

.wrap{ width:min(var(--wrap), 100% - 2.5rem); margin-inline:auto; }
.wrap--narrow{ width:min(680px, 100% - 2.5rem); }
.wrap--form{ width:min(720px, 100% - 2.5rem); margin-inline:auto; }
.center{ text-align:center; }

/* ------------------------- bandeau démo ------------------------- */
.demo-banner{
  background:var(--noir); color:var(--ivoire);
  font-size:.82rem; letter-spacing:.02em;
  padding:.7rem 1.25rem; text-align:center;
}
.demo-banner strong{ color:var(--or-clair); font-weight:500; }
.demo-banner__hint{ display:block; opacity:.7; font-size:.75rem; margin-top:.15rem; }
.demo-banner code{ font-family:ui-monospace, "Cascadia Mono", monospace; }

/* ============================= HERO ============================= */
.hero{
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  min-height:100svh;
  background:var(--ivoire);
}

.hero__text{
  display:flex; flex-direction:column; justify-content:center;
  padding: clamp(2rem, 6vw, 5.5rem);
  position:relative;
}
/* filet vertical doré */
.hero__text::after{
  content:""; position:absolute; inset:2.2rem auto 2.2rem 2.2rem;
  width:1px;
  background:linear-gradient(180deg, transparent, var(--line-or) 18%,
                                     var(--line-or) 82%, transparent);
}
@media (max-width:900px){ .hero__text::after{ display:none; } }

.overline{
  font-size:.72rem; letter-spacing:.42em; text-transform:uppercase;
  color:var(--or-sombre); margin:0 0 1.6rem;
}

.names{
  font-family:var(--serif);
  font-weight:300;
  font-size:clamp(3.2rem, 8.5vw, 5.6rem);
  line-height:.98;
  margin:0;
  letter-spacing:.005em;
  color:var(--noir);
}
.names span{ display:block; }
.names .amp{
  font-style:italic;
  font-size:.52em;
  margin:.12em 0 .1em;
  padding-left:.08em;
  color:var(--or);
}

.hero__date{
  font-family:var(--serif);
  font-size:1.35rem;
  color:var(--noir-doux);
  margin:1.6rem 0 0;
  padding-top:1.4rem;
  border-top:1px solid var(--line);
  max-width:19ch;
  letter-spacing:.04em;
}

/* --------------------------- countdown --------------------------- */
.countdown{
  display:flex; gap:clamp(1rem,3.2vw,2.2rem);
  margin:2.2rem 0 2.6rem;
  flex-wrap:wrap;
}
.countdown__cell{ text-align:left; min-width:3.2rem; }
.countdown__cell b{
  display:block;
  font-family:var(--serif); font-weight:400;
  font-size:clamp(2rem,4.4vw,2.9rem);
  line-height:1;
  color:var(--or);
  font-variant-numeric:tabular-nums;
}
.countdown__cell span{
  display:block; margin-top:.4rem;
  font-size:.63rem; letter-spacing:.24em; text-transform:uppercase;
  color:var(--gris);
}
.countdown.is-past b{ color:var(--or-sombre); }

/* ---------------------------- photo ---------------------------- */
.hero__photo{ position:relative; overflow:hidden; background:var(--champagne); }
.hero__photo img{
  width:100%; height:100%; object-fit:cover; object-position:center 45%;
  filter:contrast(1.03);
}
/* fondu vers l'ivoire côté texte */
.hero__photo::after{
  content:""; position:absolute; inset:0; pointer-events:none;
  background:linear-gradient(90deg, var(--ivoire) 0%, rgba(244,239,230,0) 20%);
}
/* liseré doré */
.hero__photo::before{
  content:""; position:absolute; inset:0; z-index:2; pointer-events:none;
  border-left:1px solid var(--line-or);
}

@media (max-width:900px){
  .hero{ grid-template-columns:1fr; min-height:auto; }
  .hero__photo{ order:-1; height:62svh; }
  .hero__photo img{ object-position:center 45%; }
  .hero__photo::after{
    background:linear-gradient(0deg, var(--ivoire) 0%, rgba(244,239,230,0) 32%);
  }
  .hero__photo::before{ border-left:0; }
  .hero__text{ padding:2.6rem 1.5rem 3.2rem; }
  .hero__date{ max-width:none; }
}

/* ============================= NAV ============================= */
.nav{
  position:sticky; top:0; z-index:20;
  display:flex; justify-content:center; gap:clamp(1rem,4vw,2.75rem);
  flex-wrap:wrap;
  padding:.9rem 1rem;
  background:rgba(244,239,230,.93);
  backdrop-filter:blur(8px);
  border-block:1px solid var(--line);
}
.nav a{
  color:var(--noir-doux); text-decoration:none;
  font-size:.68rem; letter-spacing:.22em; text-transform:uppercase;
  padding-bottom:.15rem; border-bottom:1px solid transparent;
  transition:color .2s, border-color .2s;
}
.nav a:hover, .nav a.is-active{ color:var(--or-sombre); border-bottom-color:var(--or); }

/* =========================== SECTIONS =========================== */
.section{ padding:clamp(3.5rem,9vw,7rem) 0; }
.section--invitation{ background:var(--ivoire-haut); }
.section--programme{ background:var(--ivoire-haut); }
.section--rsvp{ background:var(--ivoire); border-top:1px solid var(--line); }

.ornament{
  display:block; color:var(--or);
  font-size:.85rem; letter-spacing:.4em; margin-bottom:1rem;
}

.h2{
  font-family:var(--serif); font-weight:300;
  font-size:clamp(2rem,4.6vw,3rem);
  line-height:1.12; margin:0 0 1.4rem;
  color:var(--noir);
}
.h3{
  font-family:var(--serif); font-weight:400;
  font-size:1.9rem; margin:.4rem 0 .6rem;
  color:var(--noir);
}
.section__sub{
  font-size:.7rem; letter-spacing:.26em; text-transform:uppercase;
  color:var(--or-sombre); margin:-.7rem 0 2.8rem;
}

.lede{
  font-family:var(--serif);
  font-size:clamp(1.15rem,2.2vw,1.4rem);
  line-height:1.75; color:var(--noir-doux);
}
.lede p{ margin:0 0 1.1rem; }
.lede--tight{ max-width:56ch; margin-inline:auto; }

.signature{
  font-family:var(--serif); font-style:italic;
  font-weight:700;
  font-size:1.45rem; color:var(--or-sombre);
  margin-top:2.2rem;
}

/* ============================ THÈME ============================ */
.section--theme{
  background:
    radial-gradient(120% 70% at 50% 0%, rgba(200,163,74,.10), transparent 60%),
    var(--ivoire);
  border-block:1px solid var(--line-or);
}

.theme__sous{
  font-family:var(--serif); font-style:italic;
  font-size:clamp(1.35rem, 3.2vw, 1.95rem);
  line-height:1.3;
  margin:-.7rem 0 .9rem;
  color:var(--or-sombre);
}
.theme__accroche{
  font-size:.7rem; letter-spacing:.2em; text-transform:uppercase;
  color:var(--gris); margin:0;
  max-width:44ch; margin-inline:auto; line-height:2;
}

.theme__rule{
  width:clamp(120px, 26%, 220px); height:1px; margin:2.4rem auto;
  background:linear-gradient(90deg, transparent, var(--or), transparent);
  position:relative;
}
.theme__rule::after{
  content:""; position:absolute; left:50%; top:50%;
  width:4px; height:4px; margin:-2px 0 0 -2px;
  transform:rotate(45deg);
  background:var(--or);
}

.section--theme .lede p:last-child{
  font-style:italic; color:var(--gris); margin-bottom:0;
}

/* pastilles de couleur */
.palette{
  display:flex; justify-content:center; flex-wrap:wrap;
  gap:clamp(1.4rem, 5vw, 3rem);
  margin-top:3.2rem; padding-top:2.4rem;
  border-top:1px solid var(--line-or);
}
.swatch{ display:flex; flex-direction:column; align-items:center; gap:.75rem; }
.swatch__pastille{
  width:clamp(46px, 9vw, 62px); aspect-ratio:1; border-radius:50%;
  border:1px solid var(--line-or);
  box-shadow:0 6px 16px -10px rgba(10,10,10,.5);
}
.swatch__nom{
  font-size:.62rem; letter-spacing:.22em; text-transform:uppercase;
  color:var(--gris);
}
.palette[hidden]{ display:none; }

/* =========================== TIMELINE =========================== */
.timeline{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(255px,1fr));
  gap:1.25rem;
}
.event{
  background:var(--blanc);
  border:1px solid var(--line);
  border-radius:var(--r);
  padding:2.1rem 1.7rem;
  text-align:center;
  display:flex; flex-direction:column;
  position:relative;
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.event::before{  /* liseré doré en haut de carte */
  content:""; position:absolute; inset:0 0 auto 0; height:2px;
  background:linear-gradient(90deg, transparent, var(--or), transparent);
}
.event:hover{
  transform:translateY(-3px);
  border-color:var(--line-or);
  box-shadow:0 16px 34px -22px rgba(10,10,10,.4);
}
.event__icone{ font-size:1.6rem; line-height:1; margin-bottom:.9rem; }
.event__titre{
  font-family:var(--serif); font-weight:400;
  font-size:1.55rem; margin:0 0 .5rem;
  color:var(--noir);
}
.event__heure{
  font-size:.7rem; letter-spacing:.26em; text-transform:uppercase;
  color:var(--or-sombre); margin:0 0 1.1rem;
}
.event__lieu{ font-weight:400; margin:0 0 .2rem; color:var(--noir); }
.event__adresse{ color:var(--gris); font-size:.92rem; margin:0; }
.event__note{
  margin:1rem 0 0; padding-top:1rem;
  border-top:1px solid var(--line);
  font-size:.88rem; font-style:italic; color:var(--gris);
}
.event__carte{
  margin-top:auto; padding-top:1.2rem;
  font-size:.68rem; letter-spacing:.2em; text-transform:uppercase;
  color:var(--or-sombre); text-decoration:none;
  border-bottom:1px solid transparent; align-self:center;
}
.event__carte:hover{ border-bottom-color:var(--or); }
.event.is-todo{ border-style:dashed; }

/* ============================= FORM ============================= */
.deadline{
  font-size:.7rem; letter-spacing:.2em; text-transform:uppercase;
  color:var(--or-sombre); margin:1.4rem 0 0;
}

.form{ margin-top:3.2rem; }

.field{ border:0; margin:0 0 2.3rem; padding:0; }

.q{
  display:block;
  font-family:var(--serif);
  font-size:1.3rem; line-height:1.4;
  color:var(--noir); margin-bottom:.85rem;
  padding:0;
}
.req{ color:var(--or); font-family:var(--sans); font-size:.9rem; }
.opt{ color:var(--gris); font-family:var(--sans); font-size:.8rem; font-style:italic; }

.input{
  width:100%;
  font-family:var(--sans); font-size:1rem; font-weight:300; color:var(--noir);
  background:var(--blanc);
  border:1px solid var(--line);
  border-radius:var(--r);
  padding:.85rem 1rem;
  transition:border-color .18s, box-shadow .18s;
}
.input::placeholder{ color:#B3A897; }
.input:focus{
  outline:none;
  border-color:var(--or);
  box-shadow:0 0 0 3px rgba(200,163,74,.18);
}
textarea.input{ resize:vertical; min-height:5.2rem; line-height:1.6; }
select.input{
  appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='none' stroke='%23C8A34A' stroke-width='1.4' d='M1 1.5 6 6.5l5-5'/%3E%3C/svg%3E");
  background-repeat:no-repeat; background-position:right 1rem center;
  padding-right:2.6rem;
}

.choices{ display:grid; gap:.6rem; }
.choices--row{ grid-auto-flow:column; grid-auto-columns:1fr; }
@media (max-width:560px){ .choices--row{ grid-auto-flow:row; } }

.choice{
  display:flex; align-items:center; gap:.75rem;
  padding:.85rem 1.05rem;
  background:var(--blanc);
  border:1px solid var(--line);
  border-radius:var(--r);
  cursor:pointer;
  transition:border-color .18s, background .18s;
}
.choice:hover{ border-color:var(--champagne); }
.choice input{
  appearance:none; margin:0; flex:none;
  width:1.05rem; height:1.05rem; border-radius:50%;
  border:1px solid var(--gris);
  background:var(--blanc);
  transition:border-color .18s, box-shadow .18s;
}
.choice input:checked{
  border-color:var(--or);
  box-shadow:inset 0 0 0 3.5px var(--blanc), inset 0 0 0 1rem var(--or);
}
.choice input:focus-visible{ outline:2px solid var(--or); outline-offset:2px; }
.choice:has(input:checked){ border-color:var(--or); background:#FDFAF3; }
.choice span{ font-size:.98rem; color:var(--noir-doux); }

.reveal{ animation:slide .32s ease both; }
@keyframes slide{ from{ opacity:0; transform:translateY(-6px); } to{ opacity:1; transform:none; } }

/* erreurs */
.err{ color:var(--err); font-size:.85rem; margin:.5rem 0 0; }
.err:empty{ display:none; }
.field.is-invalid .input{ border-color:var(--err); }
.field.is-invalid .choices .choice{ border-color:rgba(165,70,47,.45); }

.form-error{
  background:rgba(165,70,47,.07);
  border:1px solid rgba(165,70,47,.3);
  color:var(--err);
  border-radius:var(--r);
  padding:.9rem 1.1rem; font-size:.92rem; margin:0 0 1.4rem;
}

/* ============================ BOUTONS ============================ */
.btn{
  display:inline-block;
  font-family:var(--sans); font-weight:400;
  font-size:.72rem; letter-spacing:.24em; text-transform:uppercase;
  padding:1.05rem 2.4rem;
  border:1px solid var(--or); border-radius:var(--r);
  cursor:pointer; text-decoration:none;
  transition:background .22s, color .22s, border-color .22s, opacity .22s;
}
.btn--primary{
  background:var(--or); color:var(--noir);
  font-weight:400;
  align-self:flex-start;
}
.btn--primary:hover{ background:var(--or-sombre); border-color:var(--or-sombre); color:var(--ivoire); }
.btn--ghost{ background:transparent; color:var(--or-sombre); border-color:var(--line-or); }
.btn--ghost:hover{ background:rgba(200,163,74,.12); border-color:var(--or); }
.btn--block{ display:block; width:100%; }
.btn[disabled]{ opacity:.5; cursor:progress; }

.form-note{
  text-align:center; font-size:.8rem; color:var(--gris); margin:1.1rem 0 0;
}

/* =========================== MERCI =========================== */
.thanks{
  text-align:center;
  margin-top:3rem;
  padding:3.2rem 1.6rem;
  border:1px solid var(--line-or);
  border-radius:var(--r);
  background:var(--blanc);
  animation:slide .35s ease both;
}
.thanks p{ color:var(--noir-doux); max-width:44ch; margin:0 auto 1.8rem; }

/* =========================== FOOTER =========================== */
.footer{
  background:var(--ivoire-haut);
  border-top:1px solid var(--line-or);
  padding:clamp(3rem,7vw,4.6rem) 0;
}
.footer__names{
  font-family:var(--serif); font-size:1.75rem; font-weight:300;
  margin:0 0 .4rem; color:var(--noir);
}
.footer__date{
  font-size:.68rem; letter-spacing:.26em; text-transform:uppercase;
  color:var(--or-sombre); margin:0;
}
.footer__infos{
  display:flex; flex-wrap:wrap; justify-content:center;
  gap:.6rem 2.4rem;
  margin:2.4rem 0;
  padding:1.8rem 0;
  border-block:1px solid var(--line);
  font-size:.93rem; color:var(--noir-doux);
}
.footer__infos b{
  font-weight:400; color:var(--or-sombre); display:block; font-size:.66rem;
  letter-spacing:.2em; text-transform:uppercase; margin-bottom:.2rem;
}
.footer__infos a{ color:var(--noir-doux); }
.footer__infos a:hover{ color:var(--or-sombre); }
.footer__infos:empty{ display:none; }
.footer__credit{
  font-family:var(--serif); font-style:italic;
  color:var(--gris); font-size:1rem; margin:0;
}

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

@media print{
  .nav,.countdown,.form,.demo-banner,.btn{ display:none !important; }
  body,.section,.footer{ background:#fff; }
}