/* BRi4U — site degustação (issue #47). Editorial escuro, mobile-first, sem build. */

@font-face{font-family:"Instrument Serif";src:url("/fonts/instrument-serif-latin-400-normal.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Instrument Serif";src:url("/fonts/instrument-serif-latin-400-italic.woff2") format("woff2");font-weight:400;font-style:italic;font-display:swap}
@font-face{font-family:"Inter";src:url("/fonts/inter-latin-wght-normal.woff2") format("woff2");font-weight:100 900;font-style:normal;font-display:swap}
@font-face{font-family:"JetBrains Mono";src:url("/fonts/jetbrains-mono-latin-wght-normal.woff2") format("woff2");font-weight:100 800;font-style:normal;font-display:swap}

:root{
  --bg:#0b0b0c; --surface:#131315; --surface-2:#1a1a1d; --line:#26262a; --line-2:#34343a;
  --text:#ecebe6; --muted:#9a9892; --dim:#6f6e68;
  --accent:#FDBB41; --accent-soft:rgba(253,187,65,.12); --ok:#3FC490; --ok-soft:rgba(63,196,144,.12);
  --serif:"Instrument Serif",Georgia,"Times New Roman",serif;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --wrap:1080px; --gutter:clamp(20px,5.5vw,48px); --bar:56px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--bar) + 12px);-webkit-text-size-adjust:100%;background:var(--bg)}
body{margin:0;background:var(--bg);color:var(--text);font:400 17px/1.6 var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-wrap:break-word}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,p,ol,ul{margin:0}
ol,ul{padding:0;list-style:none}
a{color:inherit}
button{font:inherit;color:inherit;cursor:pointer}
::selection{background:var(--accent);color:#0b0b0c}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
.wrap{width:min(var(--wrap),100% - 2 * var(--gutter));margin-inline:auto}

/* ───────── tipografia ───────── */
.display{font:400 clamp(2.6rem,9.4vw + .2rem,7.4rem)/.98 var(--serif);letter-spacing:-.022em}
.display em,.title em,.callout em{font-style:italic;color:var(--accent)}
.display--sm{font-size:clamp(2.2rem,6.6vw + .2rem,5rem);line-height:1.02}
.title{font:400 clamp(2rem,5.2vw + .4rem,4rem)/1.05 var(--serif);letter-spacing:-.018em;max-width:18em;margin-bottom:clamp(28px,4vw,48px)}
.eyebrow,.mono-label{font:500 .72rem/1.5 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.eyebrow{display:flex;align-items:center;gap:10px;margin-bottom:clamp(18px,3vw,28px)}
.dot{display:inline-block;flex:none;width:7px;height:7px;border-radius:50%;background:var(--accent)}
.lead{font-size:clamp(1.05rem,1.1vw + .9rem,1.3rem);line-height:1.55;color:var(--muted);max-width:34em}
.prose{font-size:clamp(1.05rem,.5vw + 1rem,1.2rem);color:var(--muted);max-width:36em}
.src{font:400 .78rem/1.55 var(--mono);color:var(--dim);margin-top:12px;max-width:60em}
.fine{font-size:.88rem;color:var(--dim);max-width:44em;margin-top:28px}
.hint{font:400 .78rem/1.5 var(--mono);color:var(--dim);margin-top:22px;max-width:38em}

.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 24px;border-radius:999px;border:1px solid var(--text);background:var(--text);color:#0b0b0c;font-weight:600;font-size:.95rem;text-decoration:none;transition:background .25s,color .25s,transform .25s}
.btn:hover{background:transparent;color:var(--text)}
.btn:active{transform:scale(.98)}
.btn--sm{padding:9px 18px;font-size:.82rem;font-family:var(--mono);letter-spacing:.04em}
.btn--accent{background:var(--accent);border-color:var(--accent)}
.btn--accent:hover{background:transparent;color:var(--accent)}
.btn[disabled]{opacity:.5;pointer-events:none}
.link{color:var(--muted);text-underline-offset:5px;text-decoration-color:var(--line-2);transition:color .2s,text-decoration-color .2s}
.link:hover{color:var(--text);text-decoration-color:var(--accent)}

/* ───────── barra + régua ───────── */
.bar{position:fixed;inset:0 0 auto;z-index:50;height:calc(var(--bar) + env(safe-area-inset-top));padding:env(safe-area-inset-top) var(--gutter) 0;display:flex;align-items:center;justify-content:space-between;gap:12px;background:rgba(11,11,12,.78);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.bar__logo{flex:none}
.bar__logo img{height:22px;width:auto;max-width:none}
.bar__chip{min-width:0;display:flex;align-items:center;gap:9px;padding:6px 12px;border:1px solid var(--line-2);border-radius:8px;background:rgba(19,19,21,.9);font:400 .68rem/1 var(--mono);color:var(--muted);white-space:nowrap}
.bar__chip b{color:var(--text);font-weight:600}
.bar__chip .dot{animation:blink 1.6s ease-in-out infinite}
.bar__chip.is-late{border-color:var(--accent);color:var(--accent)}
.ruler{display:none}

@media (max-width:420px){.chip__long{display:none}}

/* ───────── seções ───────── */
.sec{padding:clamp(72px,11vw,140px) 0;border-top:1px solid var(--line)}
.hero{min-height:100vh;min-height:100svh;padding:calc(var(--bar) + clamp(40px,9vw,96px)) 0 clamp(28px,5vw,48px);display:flex;flex-direction:column;justify-content:space-between;gap:clamp(40px,8vw,80px)}
.hero .lead{margin-top:clamp(26px,4vw,40px)}
.hero__cta{display:flex;flex-wrap:wrap;align-items:center;gap:14px 26px;margin-top:clamp(26px,4vw,38px)}
.js .display .ln{display:block;overflow:hidden;padding-bottom:.1em;margin-bottom:-.1em}
.js .display .ln>span{display:block;transform:translateY(108%);animation:lineUp 1s cubic-bezier(.2,.75,.15,1) forwards;animation-delay:var(--d,0s)}
.strip{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:8px 24px;padding-top:18px;border-top:1px solid var(--line)}
.strip__label{font:400 .72rem/1.5 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);max-width:30em}
.strip__num{font:400 clamp(2rem,6vw,3.2rem)/1 var(--serif);color:var(--accent);font-variant-numeric:tabular-nums}

.js .rv{opacity:0;transform:translateY(16px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.7,.2,1);transition-delay:var(--d,0s)}
.js .rv.in{opacity:1;transform:none}

/* fatos / passos */
.facts{border-top:1px solid var(--line)}
.fact{display:grid;grid-template-columns:1fr;gap:10px;padding:clamp(24px,4vw,40px) 0;border-bottom:1px solid var(--line)}
.fact__n{font:500 .8rem/1.6 var(--mono);color:var(--accent);letter-spacing:.1em}
.fact h3{font:400 clamp(1.55rem,2.6vw + .8rem,2.3rem)/1.12 var(--serif);letter-spacing:-.01em;margin-bottom:12px;max-width:22em}
.fact p:not(.src){color:var(--muted);max-width:40em}
.facts--tight .fact{padding:clamp(20px,3vw,30px) 0}
.facts--tight .fact h3{font-size:clamp(1.4rem,2vw + .8rem,1.9rem)}
.callout{margin-top:clamp(36px,6vw,64px);font:400 clamp(1.6rem,3vw + .6rem,2.6rem)/1.2 var(--serif);max-width:24em}

.stats{display:grid;gap:clamp(36px,6vw,64px);grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));margin-bottom:clamp(32px,5vw,56px)}
.stat__num{display:block;font:400 clamp(3.4rem,13vw,7rem)/1 var(--serif);letter-spacing:-.02em;color:var(--text);font-variant-numeric:tabular-nums;margin-bottom:12px}
.stat p{color:var(--muted);max-width:26em}

.steps{display:grid;gap:0;grid-template-columns:repeat(auto-fit,minmax(min(100%,250px),1fr));border-top:1px solid var(--line);margin-bottom:clamp(40px,6vw,64px)}
.step{padding:28px 0 8px;border-bottom:1px solid var(--line)}
.step__n{display:block;font:500 .8rem/1 var(--mono);color:var(--accent);letter-spacing:.1em;margin-bottom:18px}
.step h3{font:400 clamp(1.6rem,2vw + 1rem,2.1rem)/1.1 var(--serif);margin-bottom:10px}
.step p{color:var(--muted);padding-bottom:24px;max-width:28em}

.status ul{margin-top:16px;border-top:1px solid var(--line)}
.status li{display:flex;flex-direction:column;align-items:flex-start;gap:8px;padding:14px 0;border-bottom:1px solid var(--line);color:var(--muted)}
.tag{display:inline-block;padding:3px 10px;border-radius:6px;border:1px solid var(--line-2);font:500 .66rem/1.5 var(--mono);letter-spacing:.12em;text-transform:uppercase;white-space:nowrap}
.tag--ok{color:var(--ok);border-color:rgba(63,196,144,.45);background:var(--ok-soft)}
.tag--test{color:var(--accent);border-color:rgba(253,187,65,.45);background:var(--accent-soft)}
.tag--wip{color:#9fb4ff;border-color:rgba(159,180,255,.4)}
.tag--next{color:var(--dim)}

/* ───────── exemplo (console) ───────── */
.console{margin-top:clamp(28px,4vw,44px);border:1px solid var(--line-2);border-radius:14px;background:var(--surface);overflow:hidden}
.console__bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;border-bottom:1px solid var(--line)}
.console__bar code{font:500 .8rem/1.4 var(--mono);color:var(--text);min-width:0;overflow-wrap:anywhere}
.console__bar code::before{content:"$ ";color:var(--accent)}
.log{padding:0 16px;font:400 .8rem/1.9 var(--mono);color:var(--muted)}
.log:not(:empty){padding:14px 16px;border-bottom:1px solid var(--line)}
.log li{display:flex;gap:10px;animation:fadeIn .4s ease both}
.log li::before{content:"→";color:var(--dim)}
.log li.ok::after{content:"ok";margin-left:auto;color:var(--ok)}
.result{display:grid;gap:0;grid-template-columns:minmax(0,1fr)}
.result[hidden]{display:none}
.result__col{padding:20px 16px;min-width:0}
.result__col+.result__col{border-top:1px solid var(--line)}
.raw>summary{cursor:pointer;list-style:none;display:flex;align-items:center;gap:8px}
.raw>summary::-webkit-details-marker{display:none}
.raw>summary::before{content:"+";color:var(--accent);font-weight:600}
.raw[open]>summary::before{content:"–"}
.cards{display:grid;gap:12px;margin-top:14px}
.card{position:relative;padding:18px 18px 16px 22px;border:1px solid var(--line-2);border-radius:10px;background:var(--surface-2);opacity:0;transform:translateY(12px);animation:fadeUp .6s cubic-bezier(.2,.7,.2,1) forwards;animation-delay:calc(var(--n) * .18s)}
.card::before{content:"";position:absolute;inset:14px auto 14px 0;width:3px;border-radius:0 3px 3px 0;background:var(--tone)}
.card--ok{--tone:var(--ok)}.card--warn{--tone:var(--accent)}.card--info{--tone:var(--muted)}
.card .mono-label{color:var(--tone);margin-bottom:8px}
.card h3{font:400 1.45rem/1.15 var(--serif);margin-bottom:8px}
.card p{color:var(--muted);font-size:.95rem}
.card__meta{display:flex;flex-wrap:wrap;gap:4px 16px;margin-top:12px;font:400 .72rem/1.5 var(--mono);color:var(--dim)}
.json{margin:14px 0 0;padding:16px;border:1px solid var(--line);border-radius:8px;background:#0e0e10;color:#b9b8b1;font:400 .74rem/1.65 var(--mono);max-height:440px;overflow:auto;white-space:pre;-webkit-overflow-scrolling:touch}
.json .k{color:#8ea1c4}.json .s{color:#8fd0b0}.json .n{color:#e3b565}.json .b{color:#d98f9a}

/* ───────── aviso (celular) ───────── */
.notice{display:grid;gap:clamp(40px,7vw,80px);align-items:center}
.phone{position:relative;justify-self:start;width:min(320px,100%);border:1px solid var(--line-2);border-radius:28px;background:var(--surface);overflow:hidden}
.phone__bar{display:flex;align-items:center;gap:12px;padding:14px 16px;background:var(--surface-2);border-bottom:1px solid var(--line)}
.phone__bar img{width:34px;height:34px;object-fit:contain;padding:6px;border:1px solid var(--line-2);border-radius:50%}
.phone__bar div{display:flex;flex-direction:column;line-height:1.2}.phone__bar span{font:400 .68rem var(--mono);color:var(--dim)}
.chat{display:flex;flex-direction:column;gap:9px;padding:18px 14px 46px;min-height:360px;background:#0e0e10}
.msg{max-width:90%;padding:10px 12px 22px;border-radius:12px 12px 12px 3px;background:var(--surface-2);border:1px solid var(--line);font-size:.9rem;line-height:1.45;position:relative;opacity:0;transform:translateY(10px)}
.msg time{position:absolute;right:10px;bottom:5px;font:400 .62rem var(--mono);color:var(--dim)}
.msg.show{animation:fadeUp .5s cubic-bezier(.2,.7,.2,1) forwards}
.msg--out{align-self:flex-end;border-radius:12px 12px 3px 12px;background:var(--accent-soft);border-color:rgba(253,187,65,.3)}
.msg--replies{background:none;border:0;padding:0;display:flex;gap:8px;max-width:100%}
.msg--replies button{border:1px solid var(--line-2);background:transparent;color:var(--text);font:500 .72rem var(--mono);padding:8px 14px;border-radius:999px;transition:border-color .2s,color .2s}
.msg--replies button:hover{border-color:var(--accent);color:var(--accent)}
.typing{position:absolute;left:14px;bottom:14px;display:none;gap:4px;padding:9px 12px;background:var(--surface-2);border:1px solid var(--line);border-radius:12px}
.typing.on{display:flex}
.typing i{width:6px;height:6px;border-radius:50%;background:var(--muted);animation:dots 1s ease-in-out infinite}
.typing i:nth-child(2){animation-delay:.15s}.typing i:nth-child(3){animation-delay:.3s}

/* ───────── fontes / fechamento / rodapé ───────── */
.sec--sources{padding:clamp(56px,8vw,96px) 0}
.sources{counter-reset:s;border-top:1px solid var(--line);max-width:60em}
.sources li{counter-increment:s;position:relative;padding:14px 0 14px 2.6em;border-bottom:1px solid var(--line);font-size:.9rem;color:var(--muted)}
.sources li::before{content:counter(s,decimal-leading-zero);position:absolute;left:0;top:14px;font:500 .72rem/1.9 var(--mono);color:var(--dim)}
.sources a{color:var(--text);text-underline-offset:4px;text-decoration-color:var(--line-2)}
.sources a:hover{text-decoration-color:var(--accent)}
.closing{padding:clamp(88px,14vw,180px) 0 clamp(64px,10vw,120px);border-top:1px solid var(--line);background:radial-gradient(60% 55% at 50% 100%,rgba(253,187,65,.1),transparent 70%)}
.closing .lead{margin-top:clamp(22px,3vw,32px)}
.closing .btn{margin-top:clamp(26px,4vw,38px)}
.closing__logo{width:min(46vw,200px);margin-top:clamp(48px,8vw,88px);opacity:.85}
.footer{display:flex;flex-wrap:wrap;justify-content:space-between;gap:6px 24px;padding:20px var(--gutter) calc(24px + env(safe-area-inset-bottom));border-top:1px solid var(--line);font:400 .72rem/1.6 var(--mono);color:var(--dim)}
.noscript{padding:12px;text-align:center;background:var(--accent);color:#0b0b0c}

@keyframes lineUp{to{transform:none}}
@keyframes fadeUp{to{opacity:1;transform:none}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes blink{50%{opacity:.25}}
@keyframes dots{0%,100%{transform:translateY(0);opacity:.5}50%{transform:translateY(-3px);opacity:1}}

/* ───────── telas maiores ───────── */
@media (min-width:640px){
  .bar__chip{font-size:.74rem;padding:7px 14px}
  .fact{grid-template-columns:5.5rem minmax(0,1fr);gap:24px}
  .status li{flex-direction:row;align-items:center;gap:20px}.status .tag{min-width:132px;text-align:center}
  .console__bar,.log:not(:empty),.result__col{padding-inline:22px}
}
@media (min-width:900px){
  .result{grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr)}
  .result__col+.result__col{border-top:0;border-left:1px solid var(--line)}
  .notice{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr)}
  .phone{justify-self:center}
}
@media (min-width:1240px){
  .ruler{display:flex;flex-direction:column;justify-content:space-between;position:fixed;right:clamp(14px,2vw,32px);top:50%;transform:translateY(-50%);height:min(64vh,520px);width:34px;z-index:40;align-items:flex-end}
  .ruler i{display:block;height:1px;width:12px;background:var(--line-2);transition:background .3s,width .3s}
  .ruler i:nth-child(5n+1){width:22px}
  .ruler i.on{background:var(--accent)}
  .ruler i.cur{width:34px;height:2px;background:var(--accent)}
}
/* celular deitado / telas baixas: não forçar altura de tela cheia */
@media (max-height:520px){.hero{min-height:0}}

/* ───────── movimento reduzido ───────── */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;transition-delay:0s!important}
}