/* BrasilBusiness — дизайн-система v2: DataGrid hero + бразильская палитра */
:root{
  --verde:#0E3B2E; --verde-2:#14503E; --noite:#08201A; --noite-2:#0B2A21;
  --tinta:#1A2420; --tinta-2:#4A564F;
  --papel:#F7F6F1; --papel-2:#EFEDE4;
  --ambar:#C4831F; --ambar-2:#A96F14; --ambar-hi:#E3B36A;
  --linha:#D8D4C6; --branco:#FFF; --max:1120px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Golos Text',system-ui,sans-serif;color:var(--tinta);background:var(--papel);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:'Piazzolla',Georgia,serif;line-height:1.15;color:var(--verde);font-weight:600}
h1{font-size:clamp(2.1rem,4.8vw,3.4rem);letter-spacing:-.01em}
h2{font-size:clamp(1.6rem,3.2vw,2.3rem);margin-bottom:.5em}
h3{font-size:1.2rem;font-weight:700}
p{max-width:64ch}
a{color:inherit}
img{max-width:100%;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.mono{font-family:'IBM Plex Mono',monospace;font-size:.72rem;letter-spacing:.09em;text-transform:uppercase}

/* Пломба */
.selo{display:inline-flex;align-items:center;gap:.55em;font-family:'IBM Plex Mono',monospace;font-size:.7rem;letter-spacing:.11em;text-transform:uppercase;border:1px solid var(--linha);border-radius:3px;padding:.38em .8em;color:var(--tinta-2);background:var(--branco)}
.selo::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--ambar);flex:none}
.selo--dark{border-color:rgba(255,255,255,.28);background:rgba(255,255,255,.04);color:rgba(255,255,255,.88)}

/* Кнопки */
.btn{display:inline-block;font-weight:600;font-size:1rem;text-decoration:none;padding:.9em 1.7em;border-radius:6px;transition:transform .15s,background .15s,border-color .15s}
.btn:active{transform:translateY(1px)}
.btn--primary{background:var(--ambar);color:#fff}
.btn--primary:hover{background:var(--ambar-2)}
.btn--ghost{border:1.5px solid var(--verde);color:var(--verde)}
.btn--ghost:hover{background:var(--verde);color:#fff}
.btn--light{background:#fff;color:var(--verde)}
.btn--light:hover{background:var(--papel-2)}
.btn--hero{border:1.5px solid rgba(255,255,255,.4);color:#fff}
.btn--hero:hover{border-color:var(--ambar-hi);color:var(--ambar-hi)}

/* Шапка (тёмная, сливается с hero) */
.topbar{background:var(--noite);position:sticky;top:0;z-index:60;border-bottom:1px solid rgba(255,255,255,.08)}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.logo{font-family:'Piazzolla',serif;font-weight:700;font-size:1.25rem;color:#fff;text-decoration:none}
.logo span{color:var(--ambar-hi)}
.nav{display:flex;gap:26px;align-items:center}
.nav a{text-decoration:none;font-size:.92rem;color:rgba(255,255,255,.75)}
.nav a:hover{color:#fff}
.nav .btn{padding:.55em 1.1em;font-size:.9rem}
.burger{display:none;background:none;border:1px solid rgba(255,255,255,.3);border-radius:6px;color:#fff;font-size:1.1rem;padding:.35em .6em;cursor:pointer}
@media(max-width:900px){
  .nav{position:fixed;inset:64px 0 auto 0;background:var(--noite);flex-direction:column;align-items:flex-start;padding:22px 24px 26px;gap:18px;transform:translateY(-130%);transition:transform .25s ease;border-bottom:1px solid rgba(255,255,255,.1)}
  .nav.open{transform:none}
  .burger{display:block}
}

/* ===== Генеративный DataGrid hero ===== */
.ghero{position:relative;background:var(--noite);color:#fff;overflow:hidden}
.ghero-grid{position:absolute;inset:0;display:grid;gap:3px;padding:3px;z-index:0}
.gcell{border-radius:1.5px;opacity:.06;animation:cellPulse var(--dur,5s) ease-in-out infinite alternate;animation-delay:var(--delay,0s)}
.gcell--a{background:var(--ambar)}
.gcell--v{background:var(--verde-2)}
@keyframes cellPulse{from{opacity:var(--omin,.04)}to{opacity:var(--omax,.5)}}
.ghero-shade{position:absolute;inset:0;z-index:1;background:
  radial-gradient(120% 90% at 50% 110%, rgba(8,32,26,.94) 0%, rgba(8,32,26,.55) 45%, rgba(8,32,26,.15) 100%),
  linear-gradient(180deg, rgba(8,32,26,.55) 0%, rgba(8,32,26,0) 30%)}
.ghero-glow{position:absolute;inset:0;z-index:2;pointer-events:none;opacity:0;transition:opacity .4s;
  background:radial-gradient(320px circle at var(--mx,50%) var(--my,45%), rgba(227,179,106,.14), transparent 62%)}
.ghero:hover .ghero-glow{opacity:1}
.ghero-content{position:relative;z-index:3;padding:92px 0 84px}
.ghero--tall .ghero-content{min-height:min(78vh,760px);display:flex;flex-direction:column;justify-content:center;padding:110px 0 96px}
.ghero h1{color:#fff;max-width:17ch}
.ghero .lead{font-size:1.14rem;color:rgba(255,255,255,.82);max-width:58ch;margin-top:18px}
.ghero .crumbs{margin-bottom:22px;color:rgba(255,255,255,.55)}
.ghero .crumbs a{color:rgba(255,255,255,.55);text-decoration:none}
.ghero .crumbs a:hover{color:var(--ambar-hi)}
.ghero .kicker-hero{color:var(--ambar-hi);display:block;margin-bottom:14px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}
.hero-note{font-size:.85rem;color:rgba(255,255,255,.6);margin-top:14px}
@media(prefers-reduced-motion:reduce){.gcell{animation:none;opacity:.12}.ghero-glow{display:none}}

/* Полоса доверия */
.trust{background:var(--verde);color:#fff;padding:44px 0}
.trust .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
@media(max-width:860px){.trust .wrap{grid-template-columns:repeat(2,1fr)}}
.trust b{font-family:'Piazzolla',serif;font-size:1.5rem;font-weight:700;display:block;color:#fff}
.trust small{color:rgba(255,255,255,.72);font-size:.86rem;line-height:1.45;display:block;margin-top:6px}

/* Секции */
.section{padding:82px 0}
.section--tinted{background:var(--papel-2)}
.section--dark{background:var(--verde);color:#fff}
.section--dark h2,.section--dark h3{color:#fff}
.section--dark p{color:rgba(255,255,255,.8)}
.kicker{margin-bottom:14px;color:var(--ambar-2);display:block}
.section-lead{color:var(--tinta-2);max-width:60ch;margin-bottom:44px}

/* Карточки-сценарии и услуги */
.paths{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media(max-width:860px){.paths{grid-template-columns:1fr}}
.path{background:#fff;border:1px solid var(--linha);border-radius:10px;padding:30px 26px;text-decoration:none;display:flex;flex-direction:column;gap:12px;transition:border-color .15s,transform .15s}
.path:hover{border-color:var(--ambar);transform:translateY(-3px)}
.path .mono{color:var(--ambar-2)}
.path p{font-size:.95rem;color:var(--tinta-2)}
.path .go,.service .go{margin-top:auto;font-weight:600;color:var(--verde);font-size:.93rem}
.services{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media(max-width:960px){.services{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.services{grid-template-columns:1fr}}
.service{background:#fff;border:1px solid var(--linha);border-radius:10px;padding:28px 24px;text-decoration:none;display:flex;flex-direction:column;gap:10px;transition:border-color .15s,transform .15s}
.service:hover{border-color:var(--verde);transform:translateY(-3px)}
.service h3{font-size:1.12rem}
.service p{font-size:.92rem;color:var(--tinta-2)}
.service ul{list-style:none;font-size:.88rem;color:var(--tinta-2);display:grid;gap:6px;margin-top:2px}
.service li::before{content:"—";color:var(--ambar);margin-right:.5em}
.service .go{padding-top:10px}

/* Что входит */
.included{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 28px;margin-top:36px}
@media(max-width:720px){.included{grid-template-columns:1fr}}
.included li{list-style:none;background:#fff;border:1px solid var(--linha);border-radius:8px;padding:16px 18px;font-size:.95rem;color:var(--tinta-2)}
.included li b{color:var(--verde);display:block;margin-bottom:3px;font-weight:600}

/* Текстовый блок услуги/статьи */
.prose{max-width:760px}
.prose p{margin-bottom:1.1em;color:var(--tinta-2)}
.prose h2{margin-top:1.6em;font-size:1.45rem}
.prose ul{margin:0 0 1.1em 1.2em;color:var(--tinta-2)}
.prose li{margin-bottom:.4em}
.prose a{color:var(--verde-2);text-decoration-color:var(--ambar)}
.cta-inline{background:var(--papel-2);border-left:4px solid var(--ambar);border-radius:8px;padding:22px 24px;margin:34px 0}
.cta-inline p{margin:0 0 14px;color:var(--tinta)}

/* Шаги */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step;margin-top:44px}
@media(max-width:960px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.steps{grid-template-columns:1fr}}
.step{border-top:2px solid var(--linha);padding-top:20px;counter-increment:step}
.step::before{content:"0" counter(step);font-family:'IBM Plex Mono',monospace;color:var(--ambar-2);font-size:.8rem;letter-spacing:.1em;display:block;margin-bottom:10px}
.step h3{font-size:1.05rem;margin-bottom:8px}
.step p{font-size:.92rem;color:var(--tinta-2)}
.steps--3{grid-template-columns:repeat(3,1fr)}
@media(max-width:720px){.steps--3{grid-template-columns:1fr}}

/* Почему Бразилия */
.why{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px}
@media(max-width:860px){.why{grid-template-columns:1fr}}
.why article{border:1px solid rgba(255,255,255,.2);border-radius:10px;padding:28px 24px}
.why h3{margin-bottom:10px}
.why p{font-size:.94rem}

/* Кто делает / кейс */
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:start;margin-top:40px}
@media(max-width:860px){.about-grid{grid-template-columns:1fr}}
.about-card{background:#fff;border:1px solid var(--linha);border-radius:10px;padding:32px 28px}
.about-card ul{list-style:none;display:grid;gap:12px;margin-top:18px;font-size:.95rem;color:var(--tinta-2)}
.about-card li::before{content:"—";color:var(--ambar);margin-right:.55em}
.about-photo{aspect-ratio:4/5;border-radius:10px;background:var(--papel-2);border:1px dashed var(--linha);display:flex;align-items:center;justify-content:center;color:var(--tinta-2);font-size:.85rem;text-align:center;padding:20px}
.case{background:#fff;border:1px solid var(--linha);border-left:4px solid var(--ambar);border-radius:10px;padding:32px 28px;display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-top:36px}
@media(max-width:860px){.case{grid-template-columns:1fr}}
.case dl{display:grid;gap:14px;font-size:.95rem}
.case dt{font-weight:600;color:var(--verde)}
.case dd{color:var(--tinta-2)}

/* FAQ */
.faq{max-width:820px;margin-top:24px}
.faq details{border-bottom:1px solid var(--linha);padding:20px 0}
.faq summary{font-weight:600;font-size:1.05rem;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px;color:var(--verde)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:'IBM Plex Mono',monospace;color:var(--ambar);flex:none}
.faq details[open] summary::after{content:"–"}
.faq details p{margin-top:12px;color:var(--tinta-2);font-size:.96rem}
.faq-group{margin-top:40px}
.faq-group>.mono{color:var(--ambar-2)}

/* Связанные */
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:30px}
@media(max-width:800px){.related{grid-template-columns:1fr}}
.related a{background:#fff;border:1px solid var(--linha);border-radius:8px;padding:18px 20px;text-decoration:none;font-size:.94rem;font-weight:500;color:var(--verde);transition:border-color .15s}
.related a:hover{border-color:var(--ambar)}
.related a small{display:block;font-weight:400;color:var(--tinta-2);margin-top:4px;font-size:.85rem}

/* Блог-карточки */
.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media(max-width:960px){.posts{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.posts{grid-template-columns:1fr}}
.post{background:#fff;border:1px solid var(--linha);border-radius:10px;padding:26px 24px;text-decoration:none;display:flex;flex-direction:column;gap:10px;transition:border-color .15s,transform .15s}
.post:hover{border-color:var(--ambar);transform:translateY(-3px)}
.post .mono{color:var(--ambar-2)}
.post h3{font-size:1.08rem}
.post p{font-size:.92rem;color:var(--tinta-2)}
.article-meta{color:rgba(255,255,255,.6);font-size:.85rem;margin-top:16px}

/* Финальный CTA */
.cta-final{position:relative;background:var(--noite);color:#fff;padding:90px 0;text-align:center;overflow:hidden}
.cta-final .wrap{position:relative;z-index:3}
.cta-final h2{color:#fff;max-width:22ch;margin:16px auto .4em}
.cta-final p{color:rgba(255,255,255,.8);max-width:52ch;margin:0 auto 34px}
.cta-final .btn{margin:0 8px 12px}

/* Футер */
footer{background:var(--tinta);color:rgba(255,255,255,.65);padding:48px 0;font-size:.88rem}
footer .wrap{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr;gap:28px}
@media(max-width:860px){footer .wrap{grid-template-columns:1fr 1fr}}
@media(max-width:560px){footer .wrap{grid-template-columns:1fr}}
footer a{color:rgba(255,255,255,.85);text-decoration:none;display:block;margin-bottom:8px}
footer a:hover{color:#fff}
footer .ftitle{font-family:'IBM Plex Mono',monospace;font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.45);margin-bottom:12px}

/* Reveal */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s ease,transform .5s ease}
.reveal.on{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}
:focus-visible{outline:2px solid var(--ambar);outline-offset:3px}