:root{
  --paper:#F2ECE1; --paper-2:#E9E0D0; --ink:#241A12; --ink-2:#4A3A2C; --cafe:#6B4A2E; --cafe-2:#8E6A48;
  --brique:#A6432A; --creme:#FBF7F0; --line:rgba(36,26,18,.14);
  --serif:'Fraunces',Georgia,'Times New Roman',serif; --sans:'DM Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
  --sat:env(safe-area-inset-top,0px); --sab:env(safe-area-inset-bottom,0px);
}
*{box-sizing:border-box;min-width:0}
html{line-height:1.5;-webkit-text-size-adjust:100%;background:var(--paper);height:100%}
body{margin:0;font:16px/1.5 var(--sans);color:var(--ink);background:var(--paper);min-height:100vh;min-height:100dvh;overflow-x:hidden;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0;background:url(../img/grain.png) repeat;background-size:220px;opacity:.07;pointer-events:none;mix-blend-mode:multiply;z-index:0}
img{display:block;max-width:100%;height:auto}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer;-webkit-tap-highlight-color:transparent}
[hidden]{display:none!important}
.scr{position:relative;z-index:1;min-height:100vh;min-height:100dvh;animation:fade .45s ease both}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.scr{animation:none}}

/* typo */
.kicker{font:500 13px/1.4 var(--sans);letter-spacing:.08em;text-transform:uppercase;color:var(--cafe);margin:0 0 6px}
.title{font:400 40px/1.02 var(--serif);font-variation-settings:'opsz' 144;letter-spacing:-.01em;margin:0 0 14px;color:var(--ink)}
.title--sm{font-size:32px;margin-bottom:10px}
.say{font:400 17px/1.5 var(--serif);color:var(--ink);margin:0 0 18px}
.say--lead{font-size:18px}
.say--center{text-align:center}
.mention{font:400 13px/1.45 var(--sans);color:var(--ink-2);opacity:.85;margin:18px 0 0;text-align:center}
.note{font-size:14px;color:var(--ink-2);margin:16px 0 0}

/* boutons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:52px;padding:12px 22px;border-radius:14px;border:1.5px solid var(--ink);background:transparent;color:var(--ink);font:500 16px/1.3 var(--sans);text-decoration:none;transition:transform .15s ease,background .15s ease,color .15s ease}
.btn:active{transform:scale(.985)}
.btn--primary{background:var(--ink);color:var(--creme);border-color:var(--ink)}
.btn--ghost{background:transparent}
.btn--block{width:100%}
.btn[disabled]{opacity:.45;cursor:default}
@media (hover:hover){.btn--primary:hover{background:var(--cafe)} .btn--ghost:hover{background:rgba(36,26,18,.06)}}
.actions{display:flex;flex-direction:column;gap:10px;margin-top:6px}
.actions--row{flex-direction:row}
.actions--row .btn{padding-left:12px;padding-right:12px;white-space:nowrap}
.actions--row .btn--primary{flex:1.3}
.actions--row .btn--ghost{flex:1}

/* ---------- accueil ---------- */
.scr--accueil{display:flex;flex-direction:column}
.hero{position:relative;height:40vh;height:40dvh;min-height:260px;overflow:hidden;background:#D9CDBA}
.hero__img{width:100%;height:100%;object-fit:cover;object-position:50% 18%}
.hero__veil{position:absolute;inset:auto 0 0 0;height:46%;background:linear-gradient(to bottom,rgba(242,236,225,0),var(--paper))}
.mute{position:absolute;top:calc(12px + var(--sat));right:14px;width:44px;height:44px;border-radius:50%;border:1px solid rgba(255,255,255,.35);background:rgba(36,26,18,.42);color:#fff;display:grid;place-items:center;backdrop-filter:blur(4px)}
.mute[aria-pressed="true"] .mute__off{display:none}
.mute[aria-pressed="false"] .mute__on{display:none}
.accueil__body{padding:4px 22px calc(22px + var(--sab));margin-top:-8px;display:flex;flex-direction:column;flex:1}
.accueil__body .mention{margin-top:auto;padding-top:18px}

/* ---------- histoire (stories) ---------- */
.scr--histoire{height:100vh;height:100dvh;overflow:hidden;background:#1A1410;color:#F4ECDF}
.stories{height:100%;overflow-y:auto;scroll-snap-type:y mandatory;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;scrollbar-width:none}
.stories::-webkit-scrollbar{display:none}
.story{position:relative;height:100vh;height:100dvh;scroll-snap-align:start;scroll-snap-stop:always;overflow:hidden;display:flex;flex-direction:column;justify-content:flex-end}
.story__img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 40%;transform:scale(1.06);transition:transform 7s ease-out;will-change:transform}
.story.is-on .story__img{transform:scale(1)}
.story--color .story__img{filter:saturate(.85) contrast(.95)}
.story__veil{position:absolute;inset:0;background:linear-gradient(to bottom,rgba(20,14,10,.35) 0%,rgba(20,14,10,0) 28%,rgba(20,14,10,.15) 50%,rgba(20,14,10,.9) 100%)}
.story__txt{position:relative;padding:0 22px calc(84px + var(--sab))}
.story__year{font:400 64px/1 var(--serif);font-variation-settings:'opsz' 144;letter-spacing:-.02em;margin:0 0 4px;color:#F4ECDF}
.story__year--long{font-size:44px}
.story__t{font:500 13px/1.4 var(--sans);letter-spacing:.1em;text-transform:uppercase;color:#D9BE9C;margin:0 0 12px}
.story__p{font:400 17px/1.5 var(--serif);margin:0 0 10px;color:#F4ECDF;text-wrap:pretty}
.story__q{font:italic 400 19px/1.45 var(--serif);margin:0;color:#F8E9CF;text-wrap:pretty}
.story__q::before{content:"« "}.story__q::after{content:" »"}
.story__end{display:flex;flex-direction:column;gap:10px;margin-top:18px}
.story__end .btn{border-color:#F4ECDF;color:#F4ECDF}
.story__end .btn--primary{background:#F4ECDF;color:#1A1410}
.stories__bar{position:absolute;top:calc(10px + var(--sat));left:12px;right:12px;display:flex;gap:4px;pointer-events:none}
.stories__bar i{flex:1;height:3px;border-radius:2px;background:rgba(244,236,223,.3);overflow:hidden}
.stories__bar i.is-done{background:rgba(244,236,223,.9)}
.skip{position:absolute;top:calc(22px + var(--sat));right:14px;min-height:40px;padding:8px 14px;border-radius:999px;border:1px solid rgba(244,236,223,.5);background:rgba(26,20,16,.45);color:#F4ECDF;font:500 14px/1 var(--sans);backdrop-filter:blur(4px)}
.stories__hint{position:absolute;left:0;right:0;bottom:calc(20px + var(--sab));text-align:center;font:500 13px/1 var(--sans);letter-spacing:.06em;color:rgba(244,236,223,.75);margin:0;pointer-events:none;animation:hint 2.2s ease-in-out infinite;transition:opacity .4s}
.stories__hint.is-off{opacity:0}
@keyframes hint{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}

/* ---------- onboarding ---------- */
.scr--onb{display:flex;flex-direction:column;min-height:100vh;min-height:100dvh}
.onb__head{display:flex;align-items:center;gap:12px;padding:calc(10px + var(--sat)) 14px 6px}
.back{width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:transparent;font:400 30px/1 var(--serif);display:grid;place-items:center;color:var(--ink)}
.back[disabled]{opacity:.3}
.steps{list-style:none;margin:0;padding:0;display:flex;gap:5px;flex:1}
.steps li{flex:1;height:3px;border-radius:2px;background:var(--line)}
.steps li.is-done{background:var(--ink)}
.steps li.is-on{background:var(--brique)}
.onb__body{padding:10px 20px calc(22px + var(--sab));display:flex;flex-direction:column;flex:1}
.onb__form{display:flex;flex-direction:column;flex:1}
.step{display:none;animation:fade .35s ease both}
.step.is-on{display:block}
.onb__foot{margin-top:auto;padding-top:18px}

.bubble{position:relative;display:flex;gap:12px;align-items:flex-start;margin:6px 0 22px}
.bubble__face{width:40px;height:53px;object-fit:cover;object-position:50% 15%;border-radius:8px;flex:none;border:1px solid var(--line)}
.bubble p{margin:0;font:400 18px/1.5 var(--serif);background:var(--creme);border:1px solid var(--line);border-radius:4px 16px 16px 16px;padding:12px 14px;box-shadow:2px 3px 0 rgba(36,26,18,.06);text-wrap:pretty}

.field{display:block;margin-bottom:12px}
.field__lbl{display:block;font:500 13px/1.3 var(--sans);letter-spacing:.06em;text-transform:uppercase;color:var(--cafe);margin-bottom:6px}
.field input,.field select{display:block;width:100%;max-width:100%;min-width:0;min-height:52px;padding:12px 14px;border:1.5px solid var(--line);border-radius:12px;background:var(--creme);font:400 18px/1.3 var(--serif);color:var(--ink);-webkit-appearance:none;appearance:none;text-align:left}
.field select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24'%3E%3Cpath d='M6 9l6 6 6-6' fill='none' stroke='%23241A12' stroke-width='2'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:36px}
.field input:focus,.field select:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(166,67,42,.15)}
.field input::placeholder{color:rgba(36,26,18,.38)}
.date3{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.5fr) minmax(0,1.1fr);gap:8px}
.time2{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:8px;margin-bottom:6px}
.choices{display:flex;flex-wrap:wrap;gap:10px}
.choices--col{flex-direction:column}
.chip{min-height:48px;padding:10px 16px;border-radius:999px;border:1.5px solid var(--line);background:var(--creme);font:400 17px/1.3 var(--serif);color:var(--ink);text-align:left}
.choices--col .chip{width:100%;border-radius:14px;padding:12px 16px}
.chip[aria-checked="true"],.chip.is-on{border-color:var(--ink);background:var(--ink);color:var(--creme)}
.err{font-size:14px;color:var(--brique);margin:4px 0 0;min-height:1.4em}

/* ---------- calcul ---------- */
.scr--calcul{display:flex;align-items:center;justify-content:center;background:var(--paper-2)}
.calcul{position:relative;width:100%;max-width:420px;padding:40px 24px;text-align:center;display:flex;flex-direction:column;align-items:center}
.cup{width:240px;height:240px;position:relative;z-index:1}
.cup svg{width:100%;height:100%;overflow:visible}
.cup__saucer{fill:#E3D7C3;stroke:#241A12;stroke-width:1.5}
.cup__wall{fill:#FBF7F0;stroke:#241A12;stroke-width:1.6}
.cup__rim{fill:#F2E9DA;stroke:#241A12;stroke-width:1.6}
.cup__handle{stroke:#241A12;stroke-width:1.6}
.cup__coffee{fill:#3B2A1C;animation:coffee .7s ease-in 1.3s both}
@keyframes coffee{from{opacity:1}to{opacity:0}}
.cup__body{transform-origin:120px 130px;animation:flip 1.6s cubic-bezier(.6,.05,.3,1) .6s both}
@keyframes flip{from{transform:rotate(0)}to{transform:rotate(180deg)}}
.cup__drops ellipse{fill:#3B2A1C;opacity:0;transform-origin:center;animation:drop 1.1s ease-out both}
.cup__drops ellipse:nth-child(1){animation-delay:2.5s}.cup__drops ellipse:nth-child(2){animation-delay:2.9s}.cup__drops ellipse:nth-child(3){animation-delay:3.3s}
@keyframes drop{0%{opacity:0;transform:scale(.2)}60%{opacity:.95}100%{opacity:.9;transform:scale(1)}}
.cup__shapes{opacity:0;animation:shapes 1.4s ease-out 4.6s both}
.cup__shapes path{stroke:#3B2A1C;stroke-width:2.5;stroke-linecap:round;opacity:.85}
.cup__shapes circle{fill:#3B2A1C}
@keyframes shapes{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.calcul__photo{position:absolute;top:40px;left:50%;width:240px;height:240px;margin-left:-120px;border-radius:50%;object-fit:cover;opacity:0;transform:scale(.92);transition:opacity 1.2s ease,transform 2.4s ease;z-index:2}
.calcul.is-photo .calcul__photo{opacity:1;transform:scale(1)}
.calcul.is-photo .cup{opacity:0;transition:opacity .8s}
.calcul .say{margin-top:26px;font-size:20px}
.progress{width:160px;height:2px;background:var(--line);border-radius:2px;overflow:hidden;margin-top:6px}
.progress i{display:block;height:100%;width:0;background:var(--brique);transition:width 10s linear}
@media (prefers-reduced-motion:reduce){.cup__body,.cup__coffee,.cup__drops ellipse,.cup__shapes{animation-duration:.01s}}

/* ---------- portrait ---------- */
.portrait{padding:calc(20px + var(--sat)) 20px calc(28px + var(--sab));max-width:560px;margin:0 auto}
.portrait__cup{width:150px;height:150px;border-radius:50%;overflow:hidden;margin:4px 0 18px;border:1px solid var(--line);box-shadow:2px 3px 0 rgba(36,26,18,.06)}
.portrait__cup img{width:100%;height:100%;object-fit:cover}
.bubbles{display:flex;flex-direction:column;gap:10px;margin-bottom:16px}
.bubbles p{margin:0;font:400 18px/1.5 var(--serif);background:var(--creme);border:1px solid var(--line);border-radius:4px 16px 16px 16px;padding:12px 14px;box-shadow:2px 3px 0 rgba(36,26,18,.06);text-wrap:pretty;animation:fade .5s ease both}
.bubbles p:nth-child(2){animation-delay:.5s}.bubbles p:nth-child(3){animation-delay:1s}
.theme{list-style:none;margin:0 0 20px;padding:0;border-top:1px solid var(--line)}
.theme li{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid var(--line);font-size:15px}
.theme li span:first-child{font:500 13px/1.5 var(--sans);letter-spacing:.06em;text-transform:uppercase;color:var(--cafe);flex:none}
.theme li span:last-child{text-align:right;font-family:var(--serif);font-size:16px}
.theme li.is-soon span:last-child{opacity:.6}

/* ---------- chat ---------- */
.scr--chat{display:flex;flex-direction:column;height:100vh;height:100dvh;min-height:0;overflow:hidden}
.chat__head{display:flex;align-items:center;gap:12px;padding:calc(10px + var(--sat)) 16px 10px;border-bottom:1px solid var(--line);background:var(--paper)}
.chat__face{width:40px;height:53px;object-fit:cover;object-position:50% 15%;border-radius:8px;border:1px solid var(--line)}
.chat__who{display:flex;flex-direction:column;flex:1;line-height:1.25}
.chat__who strong{font:600 18px/1.2 var(--serif)}
.chat__who span{font-size:13px;color:var(--cafe);letter-spacing:.06em;text-transform:uppercase}
.chat__reset{min-height:36px;padding:6px 12px;border-radius:999px;border:1px solid var(--line);background:transparent;font-size:13px;color:var(--ink-2)}
.chat__log{flex:1;min-height:0;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:16px 14px 8px;display:flex;flex-direction:column;gap:8px;overscroll-behavior:contain}
.msg{max-width:86%;animation:fade .35s ease both}
.msg p{margin:0;padding:11px 14px;border-radius:16px;text-wrap:pretty}
.msg--s{align-self:flex-start}
.msg--s p{font:400 17px/1.5 var(--serif);background:var(--creme);border:1px solid var(--line);border-radius:4px 16px 16px 16px;box-shadow:2px 3px 0 rgba(36,26,18,.06)}
.msg--u{align-self:flex-end}
.msg--u p{font:400 16px/1.5 var(--sans);background:var(--ink);color:var(--creme);border-radius:16px 16px 4px 16px}
.msg--sys p{font-size:14px;color:var(--ink-2);background:transparent;text-align:center}
.typing{align-self:flex-start;display:flex;gap:5px;padding:12px 16px;background:var(--creme);border:1px solid var(--line);border-radius:4px 16px 16px 16px}
.typing i{width:7px;height:7px;border-radius:50%;background:var(--cafe-2);animation:dot 1.2s infinite ease-in-out}
.typing i:nth-child(2){animation-delay:.2s}.typing i:nth-child(3){animation-delay:.4s}
@keyframes dot{0%,80%,100%{transform:translateY(0);opacity:.5}40%{transform:translateY(-4px);opacity:1}}
.chat__sugg{border-top:1px solid var(--line);background:var(--paper);padding:8px 0 4px;flex:none}
.chat__sugg.is-off{display:none}
.tabs{display:flex;gap:6px;padding:0 14px 8px;overflow-x:auto;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab{flex:none;min-height:34px;padding:6px 12px;border-radius:999px;border:1px solid var(--line);background:transparent;font:500 13px/1.2 var(--sans);letter-spacing:.04em;color:var(--ink-2);white-space:nowrap}
.tab[aria-selected="true"]{background:var(--brique);border-color:var(--brique);color:#fff}
.chips{display:flex;gap:8px;padding:0 44px 6px 14px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;-webkit-mask-image:linear-gradient(to right,#000 calc(100% - 44px),transparent);mask-image:linear-gradient(to right,#000 calc(100% - 44px),transparent)}
.chips::-webkit-scrollbar{display:none}
.chips .chip{flex:none;max-width:78vw;white-space:normal;font-size:15px;min-height:44px;padding:8px 14px}
.chat__input{display:flex;gap:8px;padding:8px 12px calc(10px + var(--sab));border-top:1px solid var(--line);background:var(--paper);flex:none}
.chat__input input{flex:1;min-width:0;min-height:48px;padding:10px 16px;border:1.5px solid var(--line);border-radius:999px;background:var(--creme);font:400 16px/1.3 var(--sans);-webkit-appearance:none;appearance:none}
.chat__input input:focus{outline:none;border-color:var(--ink)}
.send{width:48px;height:48px;border-radius:50%;border:0;background:var(--ink);color:var(--creme);display:grid;place-items:center;flex:none}
.send[disabled]{opacity:.4}
.scr--chat .chat__input{padding-bottom:calc(10px + var(--sab))}
body.has-tabbar .scr--chat{height:calc(100vh - 58px - var(--sab));height:calc(100dvh - 58px - var(--sab))}
body.has-tabbar .scr--chat .chat__input{padding-bottom:10px}

/* ---------- pages (immeuble, lettres) ---------- */
.page{padding:calc(20px + var(--sat)) 20px calc(90px + var(--sab));max-width:560px;margin:0 auto}
.boxes{list-style:none;margin:8px 0 0;padding:0;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:10px}
.box{position:relative;background:#D9C9AE;border:1.5px solid #5A4631;border-radius:6px;padding:14px 12px 12px;min-height:118px;box-shadow:inset 0 2px 0 rgba(255,255,255,.35),2px 3px 0 rgba(36,26,18,.12)}
.box::before{content:"";position:absolute;top:10px;left:12px;right:12px;height:6px;border-radius:3px;background:#3B2A1C;opacity:.85}
.box__name{display:block;font:600 19px/1.2 var(--serif);margin:16px 0 2px}
.box__floor{display:block;font:500 12.5px/1.3 var(--sans);letter-spacing:.06em;text-transform:uppercase;color:var(--cafe)}
.box__said{display:block;font:italic 400 14px/1.4 var(--serif);color:var(--ink-2);margin-top:8px}
.box--empty{background:#E6DCC9;border-style:dashed;opacity:.75;display:grid;place-items:center;color:var(--ink-2);font-size:14px}
.box--empty::before{display:none}
.letter{background:var(--creme);border:1px solid var(--line);padding:22px 20px;border-radius:4px;box-shadow:3px 4px 0 rgba(36,26,18,.08);margin-top:6px;transform:rotate(-.4deg)}
.letter__date{font:500 13px/1.3 var(--sans);letter-spacing:.06em;text-transform:uppercase;color:var(--cafe);margin:0 0 12px}
.letter__txt{font:400 18px/1.55 var(--serif);margin:0;text-wrap:pretty}
.letter__sign{font:italic 400 22px/1 var(--serif);margin:18px 0 0;color:var(--brique)}

/* ---------- barre d'onglets ---------- */
.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:5;display:flex;background:var(--paper);border-top:1px solid var(--line);padding:6px 0 var(--sab)}
.tabbar a{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;padding:6px 4px;text-decoration:none;color:var(--ink-2);font:500 12.5px/1.2 var(--sans);letter-spacing:.03em}
.tabbar a.is-on{color:var(--brique)}
body.has-tabbar .scr--immeuble,body.has-tabbar .scr--lettres{padding-bottom:0}

@media (min-width:600px){
  body{background:#2A2119}
  .scr{max-width:430px;margin:0 auto;background:var(--paper);box-shadow:0 0 0 1px rgba(0,0,0,.4),0 30px 80px rgba(0,0,0,.5)}
  .scr--histoire{background:#1A1410}
  .tabbar{max-width:430px;margin:0 auto}
  .chips .chip{max-width:320px}
  .scr--calcul{background:var(--paper-2)}
}