/* ============================================================
   ALTA BOOKS 2027 — Design System (protótipo Fase 2)
   Paleta: laranja da marca + grafite + off-white
   ============================================================ */
:root{
  --alta-orange:#F58220; --alta-orange-dark:#C96A10; --alta-coral:#FFB13D;
  --ink:#211E1F; --ink-soft:#5C5657; --paper:#FDFBF8; --card:#FFFFFF; --line:#EFE9E4;
  --altinha-grad:linear-gradient(135deg,#F58220 0%,#FFB13D 100%);
  --radius:18px; --shadow:0 6px 24px rgba(33,30,31,.08); --shadow-hover:0 14px 34px rgba(245,130,32,.16);
  --wrap:1220px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Nunito',sans-serif;background:var(--paper);color:var(--ink);line-height:1.55}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer;border:none;background:none}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 1.2rem}

/* ---------- top bar ---------- */
.topbar{background:var(--ink);color:#fff;font-size:.8rem;padding:.45rem 1.2rem;display:flex;justify-content:center;gap:1rem;align-items:center;flex-wrap:wrap;text-align:center}
.topbar b{color:var(--alta-coral)}
/* ---------- header ---------- */
header.site{background:var(--card);position:sticky;top:0;z-index:60;box-shadow:0 2px 14px rgba(33,30,31,.06)}
.header-inner{max-width:var(--wrap);margin:0 auto;display:flex;align-items:center;gap:1.4rem;padding:.8rem 1.2rem}
.logo img{height:52px;width:auto}
.search{flex:1;display:flex;align-items:center;background:var(--paper);border:2px solid var(--line);border-radius:999px;padding:.4rem .5rem .4rem 1.1rem;transition:border-color .2s;position:relative}
.search:focus-within{border-color:var(--alta-orange)}
.search input{border:none;outline:none;background:none;flex:1;font-family:inherit;font-size:.95rem;color:var(--ink)}
.search .lens{opacity:.45}
/* autocomplete */
.ac{position:absolute;top:calc(100% + 8px);left:0;right:0;background:#fff;border-radius:14px;box-shadow:var(--shadow-hover);overflow:hidden;display:none;z-index:70;max-height:60vh;overflow-y:auto}
.ac.show{display:block}
.ac a{display:flex;gap:.6rem;padding:.55rem .8rem;align-items:center;border-bottom:1px solid var(--line)}
.ac a:hover{background:var(--paper)}
.ac img{width:34px;height:48px;object-fit:cover;border-radius:5px;background:var(--paper)}
.ac b{font-size:.85rem;line-height:1.2}
.ac small{color:var(--ink-soft)}
.ac .price{margin-left:auto;color:var(--alta-orange);font-weight:800;font-size:.85rem}
.btn-altinha{display:flex;align-items:center;gap:.5rem;background:var(--altinha-grad);color:#fff;font-weight:800;font-size:.95rem;padding:.62rem 1.2rem;border-radius:999px;box-shadow:0 4px 16px rgba(245,130,32,.35);transition:transform .18s,box-shadow .18s;white-space:nowrap}
.btn-altinha:hover{transform:translateY(-2px) scale(1.02);box-shadow:0 8px 22px rgba(245,130,32,.45)}
.btn-altinha .spark{font-size:1.1rem;animation:twinkle 2.4s infinite}
@keyframes twinkle{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.25) rotate(12deg);opacity:.85}}
.cart{position:relative;font-size:1.35rem}
.cart .badge{position:absolute;top:-6px;right:-10px;background:var(--alta-orange);color:#fff;font-size:.62rem;font-weight:800;border-radius:999px;padding:1px 6px}
/* ---------- nav ---------- */
nav.mainnav{border-top:1px solid var(--line);background:var(--card)}
.mainnav ul{max-width:var(--wrap);margin:0 auto;display:flex;gap:.4rem;list-style:none;padding:0 1.2rem;overflow-x:auto}
.mainnav a{display:block;padding:.7rem 1rem;font-weight:700;font-size:.92rem;border-radius:12px 12px 0 0;position:relative;white-space:nowrap;transition:color .15s}
.mainnav a:hover,.mainnav a.active{color:var(--alta-orange)}
.mainnav a.active::after,.mainnav a:hover::after{content:"";position:absolute;left:1rem;right:1rem;bottom:0;height:3px;border-radius:3px;background:var(--altinha-grad)}

/* ---------- breadcrumb ---------- */
.crumb{max-width:var(--wrap);margin:1.2rem auto 0;padding:0 1.2rem;font-size:.85rem;color:var(--ink-soft)}
.crumb a:hover{color:var(--alta-orange)}

/* ---------- hero (home) ---------- */
.hero{max-width:var(--wrap);margin:1.4rem auto 0;padding:0 1.2rem;position:relative}
.hero-track{border-radius:var(--radius);overflow:hidden;position:relative;box-shadow:var(--shadow)}
.hero-slide{display:none}
.hero-slide.on{display:block;animation:fadein .6s}
@keyframes fadein{from{opacity:0}to{opacity:1}}
.hero-dots{display:flex;gap:.5rem;justify-content:center;margin-top:.8rem}
.hero-dots button{width:10px;height:10px;border-radius:999px;background:var(--line);transition:all .2s}
.hero-dots button.on{background:var(--alta-orange);width:26px}

/* ---------- blocos/sessões ---------- */
section.block{max-width:var(--wrap);margin:2.6rem auto 0;padding:0 1.2rem}
.block h2,.sec-title{font-size:1.5rem;font-weight:900;letter-spacing:-.02em;display:flex;align-items:center;gap:.6rem}
.block h2::before,.sec-title::before{content:"";width:10px;height:26px;border-radius:6px;background:var(--altinha-grad)}
.tabs{display:flex;gap:.5rem;overflow-x:auto;padding:1rem 0 .6rem;scrollbar-width:thin}
.tabs button{white-space:nowrap;font-weight:800;font-size:.8rem;letter-spacing:.03em;padding:.5rem 1rem;border-radius:999px;background:var(--card);border:2px solid var(--line);color:var(--ink-soft);transition:all .18s}
.tabs button:hover{border-color:var(--alta-coral);color:var(--alta-orange)}
.tabs button.on{background:var(--ink);border-color:var(--ink);color:#fff}

/* ---------- grade de livros ---------- */
.shelf{display:grid;grid-template-columns:repeat(auto-fill,minmax(178px,1fr));gap:1.2rem;margin-top:1rem}
.book{background:var(--card);border-radius:var(--radius);padding:1rem 1rem 1.1rem;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s;display:flex;flex-direction:column;position:relative}
.book:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.book .cover{aspect-ratio:216/310;border-radius:10px;overflow:hidden;background:var(--paper);display:flex;align-items:center;justify-content:center}
.book .cover img{width:100%;height:100%;object-fit:contain;transition:transform .25s}
.book:hover .cover img{transform:scale(1.045)}
.book h3{font-size:.9rem;font-weight:800;margin-top:.7rem;min-height:2.6em;line-height:1.3}
.book .author{font-size:.78rem;color:var(--ink-soft);margin-top:.15rem}
.book .price{color:var(--alta-orange);font-weight:900;font-size:1.05rem;margin-top:.35rem}
.book .price .old{color:var(--ink-soft);font-weight:600;font-size:.8rem;text-decoration:line-through;margin-right:.35rem}
.book .tag{position:absolute;top:14px;left:14px;background:var(--altinha-grad);color:#fff;font-size:.62rem;font-weight:900;letter-spacing:.05em;padding:.22rem .6rem;border-radius:999px;z-index:2}
.book .out{position:absolute;top:14px;right:14px;background:var(--ink);color:#fff;font-size:.6rem;font-weight:800;padding:.2rem .5rem;border-radius:999px;opacity:.85}
.shelf-cta{text-align:center;margin:1.6rem 0 0}
.btn-ghost{display:inline-block;font-weight:800;border:2px solid var(--ink);border-radius:999px;padding:.6rem 1.6rem;transition:all .2s}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-solid{display:inline-block;font-weight:800;background:var(--alta-orange);color:#fff;border-radius:999px;padding:.7rem 1.6rem;transition:all .2s;box-shadow:0 6px 18px rgba(245,130,32,.3)}
.btn-solid:hover{background:var(--alta-orange-dark);transform:translateY(-2px)}
.empty-selo{background:var(--card);border:2px dashed var(--line);border-radius:var(--radius);padding:2.4rem;text-align:center;margin-top:1rem;color:var(--ink-soft);font-weight:600}

/* ---------- LOJA (catálogo) ---------- */
.shop{max-width:var(--wrap);margin:1.2rem auto 0;padding:0 1.2rem;display:grid;grid-template-columns:240px 1fr;gap:1.8rem}
@media(max-width:820px){.shop{grid-template-columns:1fr}}
.filters{position:sticky;top:120px;align-self:start;background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.2rem;max-height:calc(100vh - 150px);overflow:auto}
.filters h4{font-size:.8rem;letter-spacing:.1em;color:var(--ink-soft);margin:.4rem 0 .6rem}
.filters .selo{display:flex;justify-content:space-between;align-items:center;padding:.4rem .2rem;font-size:.88rem;font-weight:700;border-radius:8px;cursor:pointer}
.filters .selo:hover{background:var(--paper);color:var(--alta-orange)}
.filters .selo.on{color:var(--alta-orange)}
.filters .selo span{color:var(--ink-soft);font-weight:600;font-size:.78rem}
@media(max-width:820px){.filters{position:static;max-height:none;display:none}.filters.open{display:block}}
.shop-head{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;margin-bottom:.4rem}
.shop-head .count{color:var(--ink-soft);font-size:.9rem}
.shop-head select,.shop-head input{border:2px solid var(--line);border-radius:999px;padding:.5rem 1rem;font-family:inherit;outline:none;background:#fff}
.shop-head input:focus,.shop-head select:focus{border-color:var(--alta-orange)}
.filter-toggle{display:none}
@media(max-width:820px){.filter-toggle{display:inline-block;border:2px solid var(--line);border-radius:999px;padding:.5rem 1rem;font-weight:800}}
.loadmore{text-align:center;margin:2rem 0}

/* ---------- PRODUTO ---------- */
.product{max-width:var(--wrap);margin:1.2rem auto 0;padding:0 1.2rem;display:grid;grid-template-columns:minmax(300px,460px) 1fr;gap:2.6rem}
@media(max-width:860px){.product{grid-template-columns:1fr}}
.gallery{position:relative}
.main-cover{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.4rem;position:relative;cursor:pointer}
.main-cover img{border-radius:8px;transition:transform .3s;width:100%;object-fit:contain;max-height:560px}
.main-cover:hover img{transform:scale(1.02)}
.ai-hint{position:absolute;top:14px;right:14px;background:var(--altinha-grad);color:#fff;font-size:.7rem;font-weight:900;padding:.3rem .7rem;border-radius:999px;box-shadow:0 4px 12px rgba(245,130,32,.35);display:flex;gap:.3rem;align-items:center;z-index:3;pointer-events:none}
/* hover card IA */
.ai-card{position:absolute;top:8px;left:calc(100% + 14px);width:360px;max-width:82vw;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-radius:20px;box-shadow:0 24px 60px rgba(33,30,31,.25);border:1px solid rgba(245,130,32,.18);opacity:0;pointer-events:none;transform:translateY(8px) scale(.97);transition:opacity .22s,transform .22s;z-index:40;overflow:hidden}
.gallery:hover .ai-card,.ai-card:hover{opacity:1;pointer-events:auto;transform:none}
@media(max-width:1180px){.ai-card{left:auto;right:8px;top:60px}}
.ai-card-head{background:var(--altinha-grad);color:#fff;padding:.75rem 1rem;display:flex;align-items:center;gap:.6rem;font-weight:800;font-size:.9rem}
.ai-card-head .dot{width:8px;height:8px;border-radius:99px;background:#7CFFB2;box-shadow:0 0 8px #7CFFB2;animation:pulse 1.6s infinite}
@keyframes pulse{50%{opacity:.4}}
.ai-card-tabs{display:flex;border-bottom:1px solid var(--line)}
.ai-card-tabs button{flex:1;padding:.55rem;font-weight:800;font-size:.78rem;color:var(--ink-soft);border-bottom:3px solid transparent}
.ai-card-tabs button.on{color:var(--alta-orange);border-color:var(--alta-orange)}
.ai-card-body{padding:1rem;font-size:.84rem;min-height:150px;max-height:260px;overflow-y:auto}
.ai-card-body h5{font-size:.8rem;color:var(--alta-orange);margin-bottom:.3rem}
.ai-card-body p{margin-bottom:.6rem}
.ai-card-body .chipline{display:flex;flex-wrap:wrap;gap:.35rem;margin-top:.3rem}
.ai-card-body .chipline span{background:var(--paper);border:1px solid var(--line);border-radius:999px;padding:.2rem .6rem;font-size:.72rem;font-weight:700}
.ai-card-foot{padding:.5rem 1rem .8rem;font-size:.68rem;color:var(--ink-soft);display:flex;justify-content:space-between;align-items:center}
.ai-card-foot a{color:var(--alta-orange);font-weight:800}
.skel{height:11px;border-radius:6px;background:linear-gradient(90deg,#f0ebe6 25%,#faf6f1 50%,#f0ebe6 75%);background-size:200% 100%;animation:sh 1.1s infinite;margin:.45rem 0}
@keyframes sh{to{background-position:-200% 0}}
.thumbs{display:flex;gap:.7rem;margin-top:.9rem}
.thumbs button{width:76px;background:var(--card);border:2px solid var(--line);border-radius:12px;padding:.4rem;transition:border-color .15s}
.thumbs button.on,.thumbs button:hover{border-color:var(--alta-orange)}
.thumbs img{border-radius:6px;aspect-ratio:3/4;object-fit:contain;width:100%}
.pinfo .cats{font-size:.78rem;font-weight:800;letter-spacing:.04em;color:var(--alta-orange);text-transform:uppercase}
.pinfo h1{font-size:2.1rem;font-weight:900;letter-spacing:-.02em;line-height:1.15;margin:.4rem 0 .1rem}
.pinfo .subtitle{font-size:1.15rem;color:var(--ink-soft);font-weight:700}
.pinfo .author{margin-top:.6rem;font-weight:700}
.pinfo .author a{color:var(--alta-orange)}
.pinfo .desc{margin-top:1.1rem;color:var(--ink-soft)}
.meta{display:flex;gap:1.6rem;margin-top:1.1rem;font-size:.85rem;color:var(--ink-soft);flex-wrap:wrap}
.meta b{color:var(--ink)}
.buy{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.3rem;margin-top:1.4rem;display:flex;align-items:center;gap:1.2rem;flex-wrap:wrap}
.buy .price{font-size:1.9rem;font-weight:900;color:var(--alta-orange)}
.buy .price .old{display:block;font-size:.9rem;color:var(--ink-soft);text-decoration:line-through;font-weight:600}
.buy .stock{font-size:.78rem;font-weight:800;color:#1D9E55;background:#E7F8EE;border-radius:999px;padding:.25rem .7rem}
.buy .stock.out{color:#B32220;background:#FBEAEA}
.qty{display:flex;align-items:center;border:2px solid var(--line);border-radius:999px;overflow:hidden}
.qty button{width:38px;height:40px;font-size:1.1rem;font-weight:800;color:var(--alta-orange)}
.qty span{min-width:34px;text-align:center;font-weight:800}
.add-cart{flex:1;min-width:200px;background:var(--alta-orange);color:#fff;font-weight:900;font-size:1rem;padding:.85rem 1.4rem;border-radius:999px;box-shadow:0 6px 18px rgba(245,130,32,.3);transition:background .2s,transform .15s}
.add-cart:hover{background:var(--alta-orange-dark);transform:translateY(-2px)}
.add-cart:disabled{background:var(--line);color:var(--ink-soft);box-shadow:none;cursor:not-allowed;transform:none}
.ask-altinha{width:100%;text-align:center;font-weight:800;font-size:.88rem;color:var(--alta-orange);border:2px dashed rgba(245,130,32,.4);border-radius:999px;padding:.6rem;transition:all .2s}
.ask-altinha:hover{background:var(--altinha-grad);color:#fff;border-color:transparent}
.ptabs{max-width:var(--wrap);margin:2.6rem auto 0;padding:0 1.2rem}
.ptabs .bar{display:flex;gap:.5rem;flex-wrap:wrap}
.ptabs .bar button{font-weight:800;font-size:.88rem;padding:.6rem 1.3rem;border-radius:999px;background:var(--card);border:2px solid var(--line);color:var(--ink-soft)}
.ptabs .bar button.on{background:var(--ink);border-color:var(--ink);color:#fff}
.ptabs .pane{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.8rem;margin-top:1rem;display:none;color:var(--ink-soft)}
.ptabs .pane.on{display:block;animation:fadein .3s}
.ptabs table{width:100%;border-collapse:collapse;font-size:.9rem}
.ptabs td{padding:.6rem .4rem;border-bottom:1px solid var(--line)}
.ptabs td:first-child{font-weight:800;width:220px;color:var(--ink)}

/* ---------- páginas institucionais ---------- */
.page-hero{background:var(--altinha-grad);color:#fff;padding:3rem 1.2rem;text-align:center;position:relative;overflow:hidden}
.page-hero::after{content:"✨";position:absolute;right:-10px;top:-30px;font-size:10rem;opacity:.12;transform:rotate(14deg)}
.page-hero h1{font-size:2.4rem;font-weight:900;letter-spacing:-.02em;max-width:var(--wrap);margin:0 auto}
.page-hero p{opacity:.95;max-width:640px;margin:.6rem auto 0}
.prose{max-width:820px;margin:2.4rem auto 0;padding:0 1.2rem}
.prose h2{font-size:1.4rem;font-weight:900;margin:1.8rem 0 .6rem}
.prose p{margin-bottom:1rem;color:var(--ink-soft)}
.stats{max-width:var(--wrap);margin:2.4rem auto 0;padding:0 1.2rem;display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1.2rem}
.stat{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.6rem;text-align:center}
.stat b{display:block;font-size:2rem;font-weight:900;color:var(--alta-orange)}
.stat span{color:var(--ink-soft);font-weight:700;font-size:.9rem}
.values{max-width:var(--wrap);margin:2rem auto 0;padding:0 1.2rem;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.2rem}
.value{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.6rem}
.value .ic{font-size:1.8rem}
.value h3{font-weight:900;margin:.5rem 0 .3rem}
.value p{color:var(--ink-soft);font-size:.92rem}

/* contato */
.contact{max-width:var(--wrap);margin:2.4rem auto 0;padding:0 1.2rem;display:grid;grid-template-columns:1.3fr 1fr;gap:2rem}
@media(max-width:820px){.contact{grid-template-columns:1fr}}
.form-card,.info-card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.8rem}
.form-card label{display:block;font-weight:800;font-size:.85rem;margin:.9rem 0 .3rem}
.form-card input,.form-card textarea,.form-card select{width:100%;border:2px solid var(--line);border-radius:12px;padding:.7rem 1rem;font-family:inherit;outline:none;font-size:.95rem}
.form-card input:focus,.form-card textarea:focus,.form-card select:focus{border-color:var(--alta-orange)}
.form-card textarea{min-height:120px;resize:vertical}
.info-card h3{font-weight:900;margin-bottom:.2rem}
.info-card .row{padding:.8rem 0;border-bottom:1px solid var(--line)}
.info-card .row:last-child{border:none}
.info-card small{color:var(--ink-soft)}
.channels{display:flex;gap:.6rem;flex-wrap:wrap;margin-top:.6rem}
.channels a{background:var(--paper);border:2px solid var(--line);border-radius:999px;padding:.4rem .9rem;font-weight:800;font-size:.85rem}
.channels a:hover{border-color:var(--alta-orange);color:var(--alta-orange)}

/* corporativo/download blocos */
.feature-grid{max-width:var(--wrap);margin:2.2rem auto 0;padding:0 1.2rem;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.2rem}
.feature{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.6rem}
.feature .ic{width:46px;height:46px;border-radius:12px;background:var(--altinha-grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.3rem;margin-bottom:.7rem}
.feature h3{font-weight:900;margin-bottom:.3rem}
.feature p{color:var(--ink-soft);font-size:.92rem}
.cta-band{max-width:var(--wrap);margin:2.6rem auto 0;padding:0 1.2rem}
.cta-band .inner{background:var(--altinha-grad);border-radius:24px;color:#fff;padding:2.2rem 2.4rem;display:flex;align-items:center;gap:1.4rem;flex-wrap:wrap}
.cta-band h2{font-size:1.6rem;font-weight:900}
.cta-band p{opacity:.94;max-width:560px}
.cta-band .btn{margin-left:auto;background:#fff;color:var(--alta-orange);font-weight:900;padding:.8rem 1.6rem;border-radius:999px}

/* faixa Altinha / newsletter */
.altinha-band{max-width:var(--wrap);margin:3rem auto 0;padding:0 1.2rem}
.altinha-band .inner{background:var(--altinha-grad);border-radius:24px;color:#fff;padding:2.2rem 2.4rem;display:flex;align-items:center;gap:2rem;flex-wrap:wrap;position:relative;overflow:hidden}
.altinha-band .inner::after{content:"✨";position:absolute;right:-10px;top:-24px;font-size:9rem;opacity:.14;transform:rotate(14deg)}
.altinha-band h2{font-size:1.7rem;font-weight:900;letter-spacing:-.02em}
.altinha-band p{opacity:.94;max-width:560px}
.altinha-band .cta{margin-left:auto;background:#fff;color:var(--alta-orange);font-weight:900;padding:.8rem 1.6rem;border-radius:999px;box-shadow:0 6px 18px rgba(0,0,0,.18);transition:transform .18s}
.altinha-band .cta:hover{transform:scale(1.05)}
.news{max-width:var(--wrap);margin:3rem auto 0;padding:0 1.2rem}
.news .inner{background:var(--card);border-radius:24px;box-shadow:var(--shadow);padding:2.2rem;text-align:center}
.news h2{font-weight:900;font-size:1.4rem}
.news p{color:var(--ink-soft);margin:.4rem 0 1.2rem}
.news form{display:flex;gap:.6rem;max-width:520px;margin:0 auto;flex-wrap:wrap}
.news input{flex:1;min-width:220px;border:2px solid var(--line);border-radius:999px;padding:.7rem 1.2rem;font-family:inherit;outline:none}
.news input:focus{border-color:var(--alta-orange)}
.news button{background:var(--ink);color:#fff;font-weight:800;border-radius:999px;padding:.7rem 1.5rem;transition:background .2s}
.news button:hover{background:var(--alta-orange)}

/* ---------- footer ---------- */
footer.site{background:var(--ink);color:#EDE8E4;margin-top:3.4rem;padding:3rem 1.2rem 2rem}
.foot-grid{max-width:var(--wrap);margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:2rem}
footer.site h4{color:#fff;font-size:.85rem;letter-spacing:.12em;margin-bottom:.9rem}
footer.site li{list-style:none;margin:.45rem 0;font-size:.9rem;opacity:.85}
footer.site li a:hover{color:var(--alta-coral)}
footer.site .addr{font-size:.85rem;opacity:.85;line-height:1.7}
.foot-base{max-width:var(--wrap);margin:2.2rem auto 0;border-top:1px solid rgba(255,255,255,.14);padding-top:1.2rem;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.8rem;opacity:.7}

/* ---------- Altinha chat ---------- */
.altinha-fab{position:fixed;right:22px;bottom:22px;z-index:90;width:62px;height:62px;border-radius:999px;background:var(--altinha-grad);color:#fff;font-size:1.7rem;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 26px rgba(245,130,32,.4);transition:transform .18s}
.altinha-fab:hover{transform:scale(1.08) rotate(6deg)}
.altinha-teaser{position:fixed;right:96px;bottom:34px;z-index:90;background:#fff;border-radius:16px 16px 4px 16px;box-shadow:var(--shadow-hover);padding:.8rem 1rem;font-size:.88rem;font-weight:700;max-width:250px;display:none;animation:pop .35s}
.altinha-teaser.show{display:block}
.altinha-teaser small{display:block;font-weight:600;color:var(--ink-soft)}
@keyframes pop{from{transform:translateY(8px);opacity:0}to{transform:none;opacity:1}}
.chat{position:fixed;right:22px;bottom:96px;z-index:95;width:min(380px,calc(100vw - 32px));height:min(560px,calc(100vh - 130px));background:#fff;border-radius:22px;box-shadow:0 24px 60px rgba(33,30,31,.28);display:none;flex-direction:column;overflow:hidden;animation:pop .3s}
.chat.open{display:flex}
.chat-head{background:var(--altinha-grad);color:#fff;padding:1rem 1.2rem;display:flex;align-items:center;gap:.8rem}
.chat-head .avatar{width:42px;height:42px;border-radius:999px;background:rgba(255,255,255,.22);display:flex;align-items:center;justify-content:center;font-size:1.3rem}
.chat-head b{display:block;font-size:1.02rem}
.chat-head small{opacity:.9;font-size:.75rem}
.chat-head .close{margin-left:auto;color:#fff;font-size:1.2rem;opacity:.85}
.chat-body{flex:1;overflow-y:auto;padding:1rem;background:var(--paper);display:flex;flex-direction:column;gap:.6rem}
.msg{max-width:84%;padding:.65rem .9rem;border-radius:16px;font-size:.9rem;animation:pop .25s}
.msg.bot{background:#fff;box-shadow:0 2px 8px rgba(33,30,31,.07);border-bottom-left-radius:4px;align-self:flex-start}
.msg.user{background:var(--ink);color:#fff;border-bottom-right-radius:4px;align-self:flex-end}
.msg .mini-book{display:flex;gap:.6rem;margin-top:.55rem;background:var(--paper);border-radius:12px;padding:.5rem;align-items:center;transition:transform .15s}
.msg .mini-book:hover{transform:translateX(3px)}
.msg .mini-book img{width:38px;height:54px;object-fit:cover;border-radius:6px}
.msg .mini-book b{font-size:.8rem;line-height:1.2;display:block}
.msg .mini-book span{color:var(--alta-orange);font-weight:800;font-size:.78rem}
.chips{display:flex;flex-wrap:wrap;gap:.45rem;align-self:flex-start}
.chips button{background:#fff;border:2px solid var(--alta-coral);color:var(--alta-orange);font-weight:800;font-size:.8rem;border-radius:999px;padding:.4rem .85rem;transition:all .15s}
.chips button:hover{background:var(--altinha-grad);border-color:transparent;color:#fff}
.typing{display:inline-flex;gap:4px;padding:.7rem .9rem}
.typing i{width:7px;height:7px;border-radius:99px;background:var(--alta-coral);animation:bd 1s infinite}
.typing i:nth-child(2){animation-delay:.15s}.typing i:nth-child(3){animation-delay:.3s}
@keyframes bd{0%,100%{transform:translateY(0);opacity:.5}50%{transform:translateY(-5px);opacity:1}}
.chat-input{display:flex;gap:.5rem;padding:.8rem;border-top:1px solid var(--line);background:#fff}
.chat-input input{flex:1;border:2px solid var(--line);border-radius:999px;padding:.6rem 1rem;font-family:inherit;outline:none;font-size:.9rem}
.chat-input input:focus{border-color:var(--alta-coral)}
.chat-input button{background:var(--altinha-grad);color:#fff;border-radius:999px;width:44px;height:44px;font-size:1.05rem}

@media(max-width:760px){
  .header-inner{flex-wrap:wrap}
  .search{order:3;flex-basis:100%}
  .btn-altinha span.txt{display:none}
  .altinha-band .cta,.cta-band .btn{margin-left:0}
}