/* Berlinde — one-page site. Design system mirrors the S1 book (build.py): palette, Bricolage/Figtree/Andika, marble mark. */
@font-face{font-family:Brico;src:url(fonts/BricolageGrotesque-ExtraBold.woff2) format('woff2');font-weight:800;font-display:swap}
@font-face{font-family:Brico;src:url(fonts/BricolageGrotesque-Bold.woff2) format('woff2');font-weight:700;font-display:swap}
@font-face{font-family:Fig;src:url(fonts/Figtree-Regular.woff2) format('woff2');font-weight:400;font-display:swap}
@font-face{font-family:Fig;src:url(fonts/Figtree-Bold.woff2) format('woff2');font-weight:700;font-display:swap}
@font-face{font-family:Andika;src:url(fonts/Andika-Bold.woff2) format('woff2');font-weight:700;font-display:swap}

:root{
  --ink:#1D2440; --azul:#2D5BA8; --lar:#EE6A2C; --ama:#F5B731; --verde:#3B8F68; --ocre:#C7861A;
  --papel:#FBF4E6; --linha:#D9CFBD; --cinza:#6B6252; --disc:#F4E6C9; --branco:#fff;
  --r:14px; --wrap:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--papel);color:var(--ink);font:400 17px/1.55 Fig,system-ui,sans-serif}
img{max-width:100%;height:auto;display:block}
a{color:var(--azul)}
h1,h2,h3{font-family:Brico,system-ui,sans-serif;font-weight:800;line-height:1.05;margin:0;letter-spacing:-.01em}
h2{font-size:clamp(30px,6vw,46px)}
h3{font-size:20px;font-weight:700}
p{margin:0 0 .8em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.kicker{font:700 13px/1.2 Fig;letter-spacing:.14em;text-transform:uppercase;color:var(--azul);margin-bottom:12px}
.muted{color:var(--cinza)}
.small{font-size:14px}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:#fff;padding:8px 12px;z-index:99}

/* language toggle: PT default, EN via html[lang=en] */
html[lang="en"] .pt{display:none!important}
html:not([lang="en"]) .en{display:none!important}


/* header */
.top{position:sticky;top:0;z-index:20;background:rgba(251,244,230,.94);backdrop-filter:blur(6px);border-bottom:1px solid var(--linha)}
.top .wrap{display:flex;align-items:center;gap:16px;height:64px}
.logo{display:inline-flex;align-items:center;gap:9px;text-decoration:none;color:var(--ink);font:800 24px/1 Brico;letter-spacing:-.02em}
.logo svg{width:30px;height:30px}
.nav{display:none;gap:22px;margin-left:auto}
.nav a{color:var(--ink);text-decoration:none;font-weight:700;font-size:15px}
.nav a:hover{color:var(--lar)}
.lang{margin-left:auto;display:flex;border:1.5px solid var(--ink);border-radius:999px;overflow:hidden}
.lang button{all:unset;cursor:pointer;font:700 13px/1 Fig;padding:8px 11px;letter-spacing:.06em}
.lang button[aria-pressed="true"]{background:var(--ink);color:var(--papel)}
.lang button:focus-visible{outline:3px solid var(--ama)}
@media(min-width:900px){.nav{display:flex}.lang{margin-left:8px}}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:14px 22px;border-radius:12px;font:700 17px/1.1 Fig;text-decoration:none;border:2px solid var(--ink);transition:transform .12s ease, box-shadow .12s ease}
.btn-buy{background:var(--lar);color:#fff;border-color:var(--lar);box-shadow:0 4px 0 #b9481a}
.btn-buy:hover{transform:translateY(-2px);box-shadow:0 6px 0 #b9481a}
.btn-soon{background:transparent;color:var(--ink)}
.btn-soon[aria-disabled="true"]{opacity:.75;cursor:not-allowed;border-style:dashed}
.btn small{font-weight:400;font-size:13px;opacity:.85}

/* hero */
.hero{padding:34px 0 10px;overflow:hidden}
.hero .wrap{display:grid;gap:30px}
.hero h1{font-size:clamp(58px,15vw,118px);letter-spacing:-.04em}
.hero h1 .amp{display:block;color:var(--lar);font-size:.7em;letter-spacing:-.03em}
.hero .lede{font-size:19px;max-width:30em;margin:18px 0 18px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 22px;padding:0;list-style:none}
.chips li{font:700 14px/1 Fig;padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--linha)}
.chips li.age{background:var(--ama);border-color:var(--ama)}
.buy-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.price{font:800 30px/1 Brico}
.price-note{font-size:13px;color:var(--cinza);margin-top:10px;max-width:34em}
.hero-art{position:relative;max-width:460px;margin:0 auto;width:100%}
.hero-art .disc{position:absolute;inset:8% -12% -6% 6%;border-radius:50%;background:var(--disc);z-index:0}
.hero-art .cover{position:relative;z-index:1;width:76%;margin-left:6%;border-radius:6px;box-shadow:0 2px 0 var(--linha),0 22px 40px rgba(29,36,64,.22);transform:rotate(-3deg)}
.hero-art .back{position:absolute;z-index:0;width:64%;right:0;top:9%;border-radius:6px;box-shadow:0 14px 30px rgba(29,36,64,.16);transform:rotate(6deg)}
.tile{display:inline-block;font:700 1em/1 Andika,sans-serif;color:#fff;border-radius:.18em;padding:.18em .32em .26em}
@media(min-width:900px){.hero{padding:56px 0 30px}.hero .wrap{grid-template-columns:1.08fr .92fr;align-items:center}}

/* syllable strip */
.mosaic{display:flex;overflow:hidden;margin:34px 0 0;border-top:2px solid var(--ink);border-bottom:2px solid var(--ink)}
.mosaic span{flex:1 0 auto;min-width:70px;text-align:center;font:700 22px/1 Andika;padding:14px 0;color:var(--papel)}
.mosaic span:nth-child(5n+1){background:var(--azul)}.mosaic span:nth-child(5n+2){background:var(--lar)}
.mosaic span:nth-child(5n+3){background:var(--ama);color:var(--ink)}.mosaic span:nth-child(5n+4){background:var(--verde)}
.mosaic span:nth-child(5n){background:var(--ink)}

/* sections */
section{padding:64px 0}
.sec-head{max-width:40em;margin-bottom:30px}
.sec-head p{font-size:18px}
.alt{background:#fff;border-top:1px solid var(--linha);border-bottom:1px solid var(--linha)}

/* inside: features */
.feat{display:grid;gap:14px;grid-template-columns:1fr}
.card{background:#fff;border:1px solid var(--linha);border-radius:var(--r);padding:20px 20px 16px;position:relative}
.alt .card{background:var(--papel)}
.card .bar{display:block;width:34px;height:6px;border-radius:3px;margin-bottom:14px}
.card h3{margin-bottom:6px}
.card p{margin:0;color:#3d3829;font-size:16px}
@media(min-width:640px){.feat{grid-template-columns:1fr 1fr}}
@media(min-width:960px){.feat{grid-template-columns:repeat(4,1fr)}}

/* fichas list */
.fichas{margin-top:34px;display:grid;gap:8px;grid-template-columns:1fr;counter-reset:f;padding:0;list-style:none}
.fichas li{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--linha);border-radius:10px;padding:10px 12px;font-weight:700}
.fichas b{flex:none;display:inline-grid;place-items:center;width:38px;height:38px;border-radius:8px;color:#fff;font:800 18px/1 Brico}
.fichas i{font-style:normal;font-weight:400;color:var(--cinza);font-size:14px;margin-left:auto;text-align:right}
@media(min-width:760px){.fichas{grid-template-columns:1fr 1fr}}
.c-seg{background:var(--azul)}.c-sin{background:var(--verde)}.c-pos{background:var(--lar)}.c-dis{background:var(--ocre)}.c-rim{background:#8a5bb0}.c-esc{background:var(--ink)}.c-ler{background:#2f8f9d}
.extras{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.extras span{background:var(--ama);border-radius:999px;padding:8px 14px;font-weight:700;font-size:15px}

/* previews */
.gallery{display:grid;grid-auto-flow:column;grid-auto-columns:72%;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 4px 18px;margin:0 -4px}
.gallery figure{margin:0;scroll-snap-align:start}
.gallery img{border-radius:6px;border:1px solid var(--linha);box-shadow:0 10px 24px rgba(29,36,64,.12);background:#fff}
.gallery figcaption{font-size:14px;margin-top:10px;color:var(--cinza)}
.gallery figcaption b{color:var(--ink);display:block;font-size:15px}
@media(min-width:760px){.gallery{grid-auto-flow:row;grid-template-columns:repeat(3,1fr);overflow:visible}}

/* parents & teachers */
.steps{display:grid;gap:14px;counter-reset:s;padding:0;list-style:none}
.steps li{display:flex;gap:14px;align-items:flex-start;background:var(--papel);border-radius:var(--r);padding:16px}
.steps li::before{counter-increment:s;content:counter(s);flex:none;width:36px;height:36px;border-radius:50%;background:var(--ink);color:var(--papel);display:grid;place-items:center;font:800 18px/1 Brico}
.steps b{display:block;font-size:17px}
.two{display:grid;gap:30px}
@media(min-width:900px){.two{grid-template-columns:1.1fr .9fr;align-items:start}.steps{grid-template-columns:1fr 1fr}}
.note{border-left:5px solid var(--ama);background:#fff8e6;padding:14px 16px;border-radius:0 10px 10px 0;font-size:15px}
.aside-zeca{display:flex;gap:14px;align-items:flex-end}
.aside-zeca img{width:110px;flex:none}

/* buy */
.buy{display:grid;gap:18px}
@media(min-width:820px){.buy{grid-template-columns:1fr 1fr}}
.buy .card{padding:26px}
.buy .card h3{font-size:26px;font-weight:800}
.buy ul{padding-left:20px;margin:12px 0 18px}
.buy li{margin:4px 0}
.badge{position:absolute;top:-12px;right:18px;background:var(--verde);color:#fff;font:700 12px/1 Fig;letter-spacing:.08em;text-transform:uppercase;padding:7px 10px;border-radius:999px}
.badge.soon{background:var(--cinza)}

/* about */
.about{display:grid;gap:28px;align-items:center}
@media(min-width:900px){.about{grid-template-columns:.8fr 1.2fr}}
.marble-big{width:min(200px,46vw);margin:0 auto}
.series{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.series span{border:1.5px solid var(--ink);border-radius:999px;padding:6px 12px;font-weight:700;font-size:14px}
.series span.on{background:var(--ink);color:var(--papel)}

/* newsletter */
.news{background:var(--ink);color:var(--papel);border-radius:22px;padding:30px 22px;display:grid;gap:18px}
.news h2{color:var(--papel)}
.news form{display:grid;gap:12px}
.news input[type=email]{min-height:52px;border-radius:12px;border:0;padding:0 16px;font:400 17px Fig;width:100%}
.news label.consent{display:flex;gap:10px;font-size:14px;align-items:flex-start;color:#dfe3f0}
.news label.consent input{margin-top:4px;width:18px;height:18px;flex:none}
.news .btn{background:var(--ama);border-color:var(--ama);color:var(--ink)}
.news a{color:var(--ama)}
@media(min-width:900px){.news{grid-template-columns:1fr 1fr;padding:44px;align-items:center}}

/* faq */
.faq details{border-bottom:1px solid var(--linha);padding:16px 0}
.faq summary{cursor:pointer;font:700 18px/1.3 Fig;list-style:none;display:flex;justify-content:space-between;gap:14px}
.faq summary::after{content:"+";font:800 24px/1 Brico;color:var(--lar)}
.faq details[open] summary::after{content:"–"}
.faq details p{margin:10px 0 0;color:#3d3829}

/* footer */
footer{background:var(--ink);color:#cfd4e4;padding:44px 0 30px;font-size:14px}
footer a{color:#fff}
footer .logo{color:var(--papel)}
.fgrid{display:grid;gap:26px}
@media(min-width:860px){.fgrid{grid-template-columns:1.2fr 1fr 1fr}}
footer h3{color:#fff;font-size:15px;font-family:Fig;letter-spacing:.1em;text-transform:uppercase;margin-bottom:10px}
.lre{display:inline-flex;align-items:center;gap:10px;background:#fff;color:var(--ink)!important;text-decoration:none;border-radius:10px;padding:10px 14px;font-weight:700}
.lre svg{width:26px;height:26px}
.legal-line{border-top:1px solid rgba(255,255,255,.15);margin-top:28px;padding-top:18px;color:#9aa2bd;font-size:13px}

/* legal subpages */
.doc{max-width:760px;margin:0 auto;padding:40px 20px 70px}
.doc h1{font-size:clamp(36px,7vw,52px);margin-bottom:10px}
.doc h2{font-size:24px;margin:30px 0 10px}
.doc li{margin:6px 0}
.ph{background:#fff1c9;color:var(--ink);border-radius:4px;padding:0 4px}

@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* go-live: author byline + buy buttons that switch on from assets/site.js (GUMROAD_URL / AMAZON_URL) */
.byline{font:700 18px/1.2 Fig;margin:10px 0 16px;color:var(--ink)}
.buy .live{display:none}
.buy.is-live .live{display:inline}
.buy.is-live .soon{display:none}
a.btn-soon.buy[aria-disabled="true"]{cursor:default}