/* Pages d'hiver et de Noël (2026-11) : habillage de saison par-dessus guides-2026.css.
   Toutes les animations sont décoratives, coupées par prefers-reduced-motion et par le bouton « Arrêter la neige ». */
.hiver{--night:#0c241d;--night-2:#143429;--snow:#fbfaf5;--gold-soft:#dacba9;--ember:#f2b45c}
.hiver .hv-hero{position:relative;isolation:isolate;overflow:hidden;margin-top:1.5rem;padding:4.25rem 0 7rem;color:var(--snow);
  background:radial-gradient(120% 90% at 82% 8%,#2b5a4a 0%,transparent 55%),radial-gradient(90% 70% at 8% 100%,#1d4a3c 0%,transparent 60%),linear-gradient(180deg,var(--night) 0%,var(--night-2) 62%,#1b4033 100%)}
.hiver .hv-hero .eyebrow{color:var(--gold-soft);display:flex;align-items:center;gap:.6rem}
.hiver .hv-hero .eyebrow::before{content:"✦";font-size:.85rem;letter-spacing:0;animation:hv-twinkle 3.6s ease-in-out infinite}
.hiver .hv-hero h1{color:var(--snow);text-shadow:0 1px 30px #0c241d80}
.hiver .hv-hero h1 em{color:var(--gold-soft);font-style:italic}
.hiver .hv-hero .lead{color:#dfe7dc}
.hiver .hv-hero .micro{color:#b9c7bb}
.hiver .hv-hero .button{background:var(--snow);color:var(--forest);border-color:var(--snow);transition:transform .25s ease,box-shadow .25s ease,background .2s}
.hiver .hv-hero .button:hover{background:#ece7d6;transform:translateY(-2px);box-shadow:0 14px 30px -16px #000}
.hiver .hv-hero .button.secondary{background:transparent;color:var(--snow);border-color:#ffffff66}
.hiver .hv-hero .button.secondary:hover{background:#ffffff14}
.hiver .hv-hero a:focus-visible,.hiver .hv-hero button:focus-visible{outline-color:var(--gold-soft)}
.hiver .hv-hero .hero-grid{position:relative;z-index:2;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:3.5rem}
.hiver .hv-visual{position:relative;margin:0}
.hiver .hv-visual img{display:block;width:100%;height:auto;aspect-ratio:4/5;object-fit:cover;border-radius:11rem 11rem 1.25rem 1.25rem;border:1px solid #dacba966;box-shadow:0 40px 80px -40px #000,0 0 0 .55rem #ffffff0d}
.hiver .hv-visual::before{content:"";position:absolute;inset:-12% -10% 20% -10%;z-index:-1;border-radius:50%;background:radial-gradient(closest-side,#f2d9a233,transparent 70%);animation:hv-halo 7s ease-in-out infinite}
.hiver .hv-visual .hero-note{position:absolute;left:-2.25rem;bottom:-2.5rem;width:min(19rem,82%);padding:1.35rem 1.5rem;background:#fbfaf5;color:var(--ink);box-shadow:0 26px 50px -26px #000}
.hiver .hv-visual .hero-note::after{display:none}
.hiver .hv-visual .hero-note .eyebrow{color:#7a5f25;margin-bottom:.5rem}
.hiver .hv-visual .hero-note .eyebrow::before{content:none}
.hiver .hv-visual .hero-note h2{font-size:1.3rem;margin-bottom:.4rem;color:var(--forest)}
.hiver .hv-visual .hero-note p:not(.eyebrow){font-size:.82rem;line-height:1.55;color:#4a5f54}
.hiver .hv-visual .hero-note ul{margin-top:.6rem;border-top-color:var(--line)}
.hiver .hv-visual .hero-note li{padding:.5rem 0;font-size:.8rem;line-height:1.5;border-bottom-color:var(--line)}
.hiver .hv-visual .hero-note li:last-child{border-bottom:0;padding-bottom:0}
.hiver .hv-visual .hero-note li::before{content:"✦";color:#b69a62}
/* Neige : trois plans de flocons en dégradés, déplacés par transform uniquement. */
.hiver .hv-snow{position:absolute;inset:0;z-index:1;overflow:hidden;pointer-events:none}
.hiver .hv-snow span{position:absolute;inset:0;animation:hv-sway 9s ease-in-out infinite alternate}
.hiver .hv-snow span:nth-child(2){animation-duration:13s;animation-direction:alternate-reverse}
.hiver .hv-snow span:nth-child(3){animation-duration:17s}
.hiver .hv-snow i{position:absolute;left:-3%;right:-3%;top:-420px;bottom:0;background-repeat:repeat;animation:hv-fall linear infinite;will-change:transform}
.hiver .hv-snow span:nth-child(1) i{background-size:420px 420px;animation-duration:15s;opacity:.95;
  background-image:radial-gradient(3.2px 3.2px at 40px 60px,#fff 55%,transparent 60%),radial-gradient(2.6px 2.6px at 190px 130px,#fff 55%,transparent 60%),radial-gradient(3.6px 3.6px at 310px 250px,#fff 55%,transparent 60%),radial-gradient(2.4px 2.4px at 120px 330px,#fff 55%,transparent 60%),radial-gradient(3px 3px at 370px 400px,#fff 55%,transparent 60%)}
.hiver .hv-snow span:nth-child(2) i{background-size:300px 420px;animation-duration:24s;opacity:.7;
  background-image:radial-gradient(2px 2px at 30px 40px,#fff 55%,transparent 60%),radial-gradient(1.8px 1.8px at 140px 150px,#fff 55%,transparent 60%),radial-gradient(2.2px 2.2px at 250px 90px,#fff 55%,transparent 60%),radial-gradient(1.8px 1.8px at 90px 290px,#fff 55%,transparent 60%),radial-gradient(2px 2px at 210px 370px,#fff 55%,transparent 60%)}
.hiver .hv-snow span:nth-child(3) i{background-size:210px 420px;animation-duration:38s;opacity:.45;
  background-image:radial-gradient(1.3px 1.3px at 20px 30px,#fff 55%,transparent 60%),radial-gradient(1.2px 1.2px at 110px 120px,#fff 55%,transparent 60%),radial-gradient(1.4px 1.4px at 170px 230px,#fff 55%,transparent 60%),radial-gradient(1.2px 1.2px at 60px 340px,#fff 55%,transparent 60%),radial-gradient(1.3px 1.3px at 150px 400px,#fff 55%,transparent 60%)}
.hiver .hv-drift{position:absolute;left:0;right:0;bottom:-1px;z-index:2;width:100%;height:clamp(3rem,7vw,6rem);display:block;pointer-events:none}
.hiver .hv-drift path:first-child{fill:#ffffff40}
.hiver .hv-drift path:last-child{fill:var(--soft)}
.hiver .hv-pause{position:absolute;right:1.25rem;top:1rem;z-index:3;display:inline-flex;align-items:center;gap:.5rem;min-height:2.75rem;padding:.35rem .9rem;border-radius:2rem;border:1px solid #ffffff40;background:#0c241d99;color:#e6ece2;font:600 .72rem/1 system-ui,sans-serif;letter-spacing:.04em;cursor:pointer}
.hiver .hv-pause:hover{background:#0c241d;border-color:#ffffff80}
.hiver.hv-still .hv-snow span,.hiver.hv-still .hv-snow i,.hiver.hv-still .hv-visual::before,.hiver.hv-still .hv-flame,.hiver.hv-still .hv-flame::after,.hiver.hv-still .hv-hero .eyebrow::before{animation-play-state:paused}
.hiver .proof-strip{border-top:0}
/* Cartes illustrées */
.hiver .hv-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.25rem;margin:1.75rem 0}
.hiver .hv-card{margin:0;background:var(--white);border:1px solid var(--line);border-radius:1.1rem;overflow:hidden;transition:transform .35s ease,box-shadow .35s ease,border-color .35s}
.hiver .hv-card:hover{transform:translateY(-4px);box-shadow:0 26px 40px -30px #173e3299;border-color:#b9c4b4}
.hiver .hv-card picture,.hiver .hv-card .hv-ph{display:block;overflow:hidden;aspect-ratio:3/2}
.hiver .hv-card img{display:block;width:100%;height:100%;object-fit:cover;transition:transform 1.2s cubic-bezier(.2,.7,.2,1)}
.hiver .hv-card:hover img{transform:scale(1.045)}
.hiver .hv-card figcaption{padding:1.15rem 1.3rem 1.3rem}
.hiver .hv-card h3{font-family:Georgia,"Times New Roman",serif;font-weight:400;font-size:1.25rem;letter-spacing:-.01em;margin-bottom:.35rem}
.hiver .hv-card p{font-size:.9rem;line-height:1.7;margin:0;color:#44584d}
.hiver .hv-card .hv-tag{display:inline-block;margin-bottom:.55rem;font-size:.66rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#7a5f25}
.hiver .hv-wide{margin:1.75rem 0;border-radius:1.1rem;overflow:hidden;border:1px solid var(--line);background:var(--white)}
.hiver .hv-wide img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
.hiver .hv-wide figcaption{padding:.8rem 1.2rem;font-size:.8rem;color:var(--muted)}
/* Panneau « lumière » avec bougie dessinée en CSS */
.hiver .hv-light{position:relative;display:grid;grid-template-columns:auto minmax(0,1fr);gap:1.75rem;align-items:center;margin:1.75rem 0;padding:1.9rem 2rem;border-radius:var(--radius);color:#eef2ea;overflow:hidden;
  background:radial-gradient(60% 120% at 0% 50%,#3a2f17 0%,transparent 60%),linear-gradient(135deg,var(--night),#1b4033)}
.hiver .hv-light p{margin:0;font-size:.95rem;color:#e3e9df}
.hiver .hv-light p+p{margin-top:.7rem}
.hiver .hv-light strong{color:#fff}
.hiver .hv-candle{position:relative;width:3.4rem;height:6.2rem;flex-shrink:0}
.hiver .hv-candle::before{content:"";position:absolute;left:.7rem;right:.7rem;bottom:0;height:3.5rem;border-radius:.35rem .35rem .2rem .2rem;background:linear-gradient(90deg,#e9dfc8,#fffaf0 45%,#d9cfb6)}
.hiver .hv-candle::after{content:"";position:absolute;left:50%;bottom:3.5rem;width:2px;height:.45rem;margin-left:-1px;background:#3b3324}
.hiver .hv-flame{position:absolute;left:50%;bottom:3.85rem;width:1rem;height:1.9rem;margin-left:-.5rem;border-radius:50% 50% 50% 50%/62% 62% 38% 38%;background:radial-gradient(ellipse at 50% 78%,#fff7d6 0 22%,var(--ember) 48%,#e9862f 78%,transparent 82%);transform-origin:50% 100%;animation:hv-flicker 2.4s ease-in-out infinite}
.hiver .hv-flame::after{content:"";position:absolute;left:50%;top:50%;width:7.5rem;height:7.5rem;margin:-3.75rem 0 0 -3.75rem;border-radius:50%;background:radial-gradient(closest-side,#f2b45c40,transparent);animation:hv-halo 2.4s ease-in-out infinite}
/* Étapes */
.hiver .hv-steps{list-style:none;padding:0;margin:1.75rem 0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1rem;counter-reset:hv}
.hiver .hv-steps li{counter-increment:hv;margin:0;padding:1.2rem 1.1rem 1.1rem;background:var(--white);border:1px solid var(--line);border-radius:1rem;font-size:.88rem;line-height:1.65}
.hiver .hv-steps li::before{content:counter(hv);display:flex;align-items:center;justify-content:center;width:2rem;height:2rem;margin-bottom:.7rem;border-radius:50%;background:var(--forest);color:var(--white);font:600 .85rem Georgia,serif}
.hiver .hv-steps strong{display:block;margin-bottom:.2rem}
.hiver .hv-cross{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1rem 2rem;margin:2rem 0;padding:1.5rem 1.7rem;border-radius:1rem;border:1px solid #d6c9a6;background:linear-gradient(120deg,#f6f0df,#fbf8ee)}
.hiver .hv-cross p{margin:0;max-width:46ch;font-size:.95rem}
.hiver .hv-cross strong{font-family:Georgia,serif;font-weight:400;font-size:1.25rem;display:block;margin-bottom:.2rem}
@keyframes hv-fall{from{transform:translate3d(0,0,0)}to{transform:translate3d(0,420px,0)}}
@keyframes hv-sway{from{transform:translate3d(-14px,0,0)}to{transform:translate3d(14px,0,0)}}
@keyframes hv-twinkle{0%,100%{opacity:.45;transform:scale(.85)}50%{opacity:1;transform:scale(1.15)}}
@keyframes hv-halo{0%,100%{opacity:.7;transform:scale(1)}50%{opacity:1;transform:scale(1.06)}}
@keyframes hv-flicker{0%,100%{transform:rotate(-2deg) scaleY(1)}25%{transform:rotate(2deg) scaleY(1.06)}50%{transform:rotate(-1deg) scaleY(.96)}75%{transform:rotate(3deg) scaleY(1.04)}}
@keyframes hv-rise{from{opacity:0;transform:translate3d(0,26px,0)}to{opacity:1;transform:none}}
@keyframes hv-enter{from{opacity:0;transform:translate3d(0,18px,0)}to{opacity:1;transform:none}}
@keyframes hv-slide{from{transform:translate3d(0,18px,0)}to{transform:none}}
@media (prefers-reduced-motion:no-preference){
  .hiver .hv-hero .eyebrow,.hiver .hv-hero h1,.hiver .hv-hero .lead,.hiver .hv-hero .actions,.hiver .hv-hero .micro,.hiver .hv-visual{animation:hv-enter .9s cubic-bezier(.2,.7,.2,1) both}
  .hiver .hv-hero h1{animation-name:hv-slide;animation-delay:.08s}.hiver .hv-hero .lead{animation-name:hv-slide;animation-delay:.18s}.hiver .hv-hero .actions{animation-delay:.28s}.hiver .hv-hero .micro{animation-delay:.36s}.hiver .hv-visual{animation-delay:.2s;animation-duration:1.2s}
  @supports (animation-timeline:view()){
    .hiver .hv-reveal{animation:hv-rise linear both;animation-timeline:view();animation-range:entry 0% entry 38%}
  }
}
@media (prefers-reduced-motion:reduce){
  .hiver .hv-snow span,.hiver .hv-snow i,.hiver .hv-visual::before,.hiver .hv-flame,.hiver .hv-flame::after,.hiver .hv-hero .eyebrow::before{animation:none}
  .hiver .hv-pause{display:none}
  .hiver .hv-card,.hiver .hv-card img,.hiver .hv-hero .button{transition:none}
}
@media(max-width:1000px){.hiver .hv-steps{grid-template-columns:repeat(2,minmax(0,1fr))}.hiver .hv-visual .hero-note{left:-1rem}}
@media(max-width:760px){
  .hiver .hv-hero{padding:3.5rem 0 5rem;margin-top:1rem}
  .hiver .hv-hero .hero-grid{grid-template-columns:1fr;gap:2.25rem}
  .hiver .hv-visual img{aspect-ratio:4/3;border-radius:6rem 6rem 1rem 1rem}
  .hiver .hv-visual .hero-note{position:relative;left:auto;bottom:auto;width:auto;margin:-2.5rem .9rem 0}
  .hiver .hv-cards{grid-template-columns:1fr}
  .hiver .hv-light{grid-template-columns:1fr;padding:1.5rem}
  .hiver .hv-pause{top:.6rem;right:.6rem}
}