/* ============================================================
   Codesites — protótipo de site (blueprint do tema FSE)
   Tokens e componentes derivados do design system.
   ============================================================ */
:root{
  --ink:#0E1116; --ink-soft:#1C2128; --paper:#FFFFFF; --mist:#F5F5F2;
  --line:#E4E4DE; --muted:#5C6470; --accent:#2C46E0; --accent-700:#2138B8;
  --accent-100:#ECEFFE;
  --success:#1E9E6A; --success-bg:#E8F6EF;
  --f-display:"Space Grotesk",-apple-system,sans-serif;
  --f-body:"Inter",-apple-system,sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,monospace;
  --content:740px; --wide:1180px; --r-btn:4px; --r-card:6px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--f-body);color:var(--ink);background:var(--paper);
  font-size:1.05rem;line-height:1.65;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:var(--f-display);font-weight:600;line-height:1.14;letter-spacing:-.015em;margin:0}
a{color:var(--accent);text-decoration:none;transition:color .15s ease,opacity .15s ease}
img,svg{max-width:100%}
::selection{background:var(--accent);color:#fff}
.wrap{max-width:var(--wide);margin:0 auto;padding:0 1.5rem}
.narrow{max-width:var(--content);margin:0 auto;padding:0 1.5rem}

/* rótulos editoriais */
.eyebrow{font-family:var(--f-mono);font-size:.76rem;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);margin:0}
.eyebrow .chev{font-weight:500;margin-right:.5em}
.eyebrow.muted{color:var(--muted)}
.cursor{display:inline-block;width:.5em;height:1em;background:var(--accent);border-radius:2px;
  margin-left:.12em;transform:translateY(.13em);animation:blink 1.15s steps(1,end) infinite}
@keyframes blink{50%{opacity:0}}

/* ===================== HEADER ===================== */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.9);
  backdrop-filter:saturate(180%) blur(9px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:1rem}
.brand{display:flex;align-items:center}
.brand img{height:26px;width:auto;display:block}
.nav{display:flex;align-items:center;gap:1.7rem}
.nav a{color:var(--ink);font-size:.96rem;font-weight:500}
.nav a:hover,.nav a.active{color:var(--accent)}
.nav .btn{margin-left:.4rem}
/* botões dentro do nav precisam vencer a regra .nav a (senão o texto herda ink) */
.nav a.btn-primary,.mobile-nav a.btn-primary{color:#fff}
.nav a.btn-ghost,.mobile-nav a.btn-ghost{color:var(--ink)}
.menu-toggle{display:none;background:none;border:0;cursor:pointer;padding:6px;color:var(--ink)}
.menu-toggle svg{display:block}
.mobile-nav{display:none}

/* ===================== BOTÕES ===================== */
.btn{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--f-body);font-weight:600;
  font-size:.96rem;padding:.82rem 1.5rem;border-radius:var(--r-btn);border:1px solid transparent;
  cursor:pointer;transition:transform .12s ease,background .15s ease,border-color .15s ease}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-700)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink)}
.on-ink .btn-ghost{color:#fff;border-color:rgba(255,255,255,.3)}
.on-ink .btn-ghost:hover{border-color:#fff}

/* ===================== SEÇÕES ===================== */
section{padding:5.5rem 0}
.sec-mist{background:var(--mist)}
.sec-ink{background:var(--ink);color:#fff}
.sec-ink h1,.sec-ink h2,.sec-ink h3,.sec-ink h4{color:#fff}
.sec-head{margin-bottom:2.6rem}
.sec-head .eyebrow{margin-bottom:1rem}
.sec-head h2{font-size:clamp(1.7rem,1.1rem+2.2vw,2.5rem)}
.sec-head p{color:var(--muted);font-size:1.1rem;max-width:60ch;margin:.8rem 0 0}
.sec-ink .sec-head p{color:rgba(255,255,255,.66)}

/* ===================== HERO ===================== */
.hero{padding:6rem 0 6.5rem}
.hero .eyebrow{margin-bottom:1.4rem}
.hero h1{font-size:clamp(2.5rem,1.4rem+4.6vw,4.6rem);letter-spacing:-.03em;max-width:16ch}
.hero .lead{font-size:1.22rem;line-height:1.6;color:var(--muted);max-width:46ch;margin:1.5rem 0 0}
.hero .cta-row{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:2.2rem}
.trust-line{font-family:var(--f-mono);font-size:.78rem;letter-spacing:.03em;color:var(--muted);margin-top:2.4rem}
.trust-line b{color:var(--ink);font-weight:500}

/* page intro (internas) */
.page-intro{padding:5rem 0 3.5rem}
.page-intro .eyebrow{margin-bottom:1.2rem}
.page-intro h1{font-size:clamp(2.1rem,1.3rem+3.4vw,3.4rem);letter-spacing:-.02em;max-width:18ch}
.page-intro .lead{font-size:1.15rem;color:var(--muted);max-width:60ch;margin:1.2rem 0 0}

/* ===================== SERVIÇOS (card-grid) ===================== */
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden}
.svc{background:var(--paper);padding:2.1rem 1.9rem}
.svc .n{font-family:var(--f-mono);font-size:.8rem;color:var(--accent)}
.svc h3{font-size:1.18rem;margin:.7rem 0 .5rem}
.svc p{color:var(--muted);font-size:.98rem;margin:0}

/* serviços detalhados (cards grandes) */
.svc-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.4rem}
.svc-card{border:1px solid var(--line);border-radius:var(--r-card);padding:2.2rem;transition:border-color .15s,transform .15s}
.svc-card:hover{border-color:var(--ink);transform:translateY(-2px)}
.svc-card .n{font-family:var(--f-mono);font-size:.82rem;color:var(--accent)}
.svc-card h2{font-size:1.4rem;margin:.6rem 0 .7rem}
.svc-card p{color:var(--muted);font-size:1rem;margin:0}

/* ===================== DIFERENCIAIS (reason) ===================== */
.reasons{display:grid;grid-template-columns:repeat(4,1fr);gap:2.2rem}
.reason{border-top:2px solid var(--accent);padding-top:1.1rem}
.reason h3{font-size:1.12rem;margin:0 0 .45rem}
.reason p{color:var(--muted);font-size:.97rem;margin:0}
.sec-ink .reason p{color:rgba(255,255,255,.66)}

/* ===================== TRABALHOS / PORTFÓLIO (work-card) ===================== */
.work-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem}
.work-card{border:1px solid var(--line);border-radius:var(--r-card);padding:1.9rem;
  transition:border-color .15s,transform .15s;display:block}
.work-card:hover{border-color:var(--ink);transform:translateY(-2px)}
.work-card .dom{font-family:var(--f-mono);font-size:.82rem;color:var(--accent)}
.work-card h3{font-size:1.2rem;margin:.55rem 0 .5rem;color:var(--ink)}
.work-card p{color:var(--muted);font-size:.96rem;margin:0 0 1rem}
.tags{display:flex;flex-wrap:wrap;gap:.4rem}
.tag{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.04em;padding:.25rem .55rem;
  border-radius:3px;background:var(--mist);color:var(--muted)}

/* ===================== PROCESSO (step) ===================== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:2.2rem}
.step{border-top:1px solid rgba(255,255,255,.18);padding-top:1rem}
.step .sn{font-family:var(--f-mono);font-size:.9rem;color:var(--accent)}
.step h3{font-size:1.1rem;margin:.5rem 0 .4rem}
.step p{color:rgba(255,255,255,.66);font-size:.95rem;margin:0}

/* ===================== CTA BAND ===================== */
.cta-band{background:var(--accent);color:#fff;text-align:center}
.cta-band h2{color:#fff;font-size:clamp(2rem,1.2rem+2.6vw,3rem);letter-spacing:-.02em}
.cta-band p{color:rgba(255,255,255,.9);font-size:1.1rem;margin:.8rem auto 1.8rem;max-width:48ch}
.cta-band .btn-white{background:#fff;color:var(--ink)}
.cta-band .btn-white:hover{background:var(--mist)}

/* ===================== FORM (contato) ===================== */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:2.4rem;align-items:start}
.field{margin-bottom:1.1rem}
.field label{display:block;font-size:.84rem;font-weight:600;margin-bottom:.4rem}
.field input,.field textarea,.field select{width:100%;font-family:var(--f-body);font-size:.98rem;
  padding:.75rem .9rem;border:1px solid var(--line);border-radius:var(--r-btn);background:var(--paper);color:var(--ink)}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-100)}
.form-note{font-size:.8rem;color:var(--muted);margin-top:.6rem;font-family:var(--f-mono);letter-spacing:.02em}
.contact-side{border:1px solid var(--line);border-radius:var(--r-card);padding:1.9rem}
.contact-side h3{font-size:1.25rem;margin:0 0 .5rem}
.contact-side .label{font-family:var(--f-mono);font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.contact-side .block{padding:1.2rem 0;border-top:1px solid var(--line)}
.contact-side .block:first-of-type{border-top:0;padding-top:.6rem}

/* manifesto / texto longo */
.prose p{font-size:1.15rem;margin:0 0 1.3rem}
.prose p:last-child{margin-bottom:0}
.founder p{font-size:1.15rem;margin:0}

/* ===================== BLOG ===================== */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem}
.post-card{border:1px solid var(--line);border-radius:var(--r-card);padding:1.8rem;display:block;
  transition:border-color .15s,transform .15s}
.post-card:hover{border-color:var(--ink);transform:translateY(-2px)}
.post-card .cat{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.06em;color:var(--accent);text-transform:uppercase}
.post-card h3{font-size:1.2rem;margin:.7rem 0 .5rem;color:var(--ink);line-height:1.25}
.post-card p{color:var(--muted);font-size:.95rem;margin:0 0 1rem}
.post-card .meta{font-family:var(--f-mono);font-size:.74rem;color:var(--muted)}

/* artigo (post) */
.article{max-width:var(--content);margin:0 auto;padding:0 1.5rem}
.article-head{padding:4.5rem 0 2.5rem;border-bottom:1px solid var(--line);margin-bottom:2.5rem}
.article-head .cat{font-family:var(--f-mono);font-size:.74rem;letter-spacing:.08em;color:var(--accent);text-transform:uppercase}
.article-head h1{font-size:clamp(2rem,1.3rem+3vw,3rem);letter-spacing:-.02em;margin:1rem 0}
.article-head .meta{font-family:var(--f-mono);font-size:.8rem;color:var(--muted)}
.article-body p{font-size:1.12rem;margin:0 0 1.4rem}
.article-body h2{font-size:1.6rem;margin:2.4rem 0 1rem}
.article-body h3{font-size:1.25rem;margin:1.8rem 0 .8rem}
.article-body ul{padding-left:1.2rem;margin:0 0 1.4rem}
.article-body li{margin:0 0 .5rem}
.article-body strong{font-weight:600}
.article-cta{border-top:1px solid var(--line);margin-top:3rem;padding-top:2.5rem;text-align:center}

/* ===================== FOOTER ===================== */
.site-footer{background:var(--ink);color:#fff;padding:4.5rem 0 2.5rem}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:2.5rem}
.footer-brand img{height:24px;margin-bottom:1.1rem}
.footer-brand p{color:rgba(255,255,255,.6);font-size:.95rem;max-width:34ch;margin:0}
.footer-col h4{font-family:var(--f-mono);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;
  color:rgba(255,255,255,.45);margin:0 0 .9rem;font-weight:500}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.55rem}
.footer-col a{color:rgba(255,255,255,.72);font-size:.95rem}
.footer-col a:hover{color:#fff}
.footer-fine{font-size:.85rem;color:rgba(255,255,255,.4);border-top:1px solid rgba(255,255,255,.12);
  padding-top:1.5rem;margin-top:3rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:.6rem}
.footer-fine .mono{font-family:var(--f-mono)}

/* utils */
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ===================== LANDING PAGES POR SEGMENTO ===================== */
.badge-dest{display:inline-block;font-family:var(--f-mono);font-size:.64rem;letter-spacing:.1em;
  text-transform:uppercase;background:var(--accent-100);color:var(--accent-700);
  padding:.22rem .55rem;border-radius:3px;margin-left:.6rem;vertical-align:middle}
.seg-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.seg-card{border:1px solid var(--line);border-radius:var(--r-card);padding:1.8rem;display:block;
  transition:border-color .15s,transform .15s}
.seg-card:hover{border-color:var(--ink);transform:translateY(-2px)}
.seg-card .k{font-family:var(--f-mono);font-size:.76rem;color:var(--accent)}
.seg-card h3{font-size:1.16rem;margin:.5rem 0 .4rem;color:var(--ink)}
.seg-card p{color:var(--muted);font-size:.94rem;margin:0}
.seg-card.soon .k{color:var(--muted)}
.checklist{list-style:none;margin:0;padding:0;display:grid;gap:.85rem}
.checklist li{padding-left:1.7rem;position:relative}
.checklist li::before{content:"\203A";position:absolute;left:0;color:var(--accent);
  font-family:var(--f-mono);font-weight:500}
.checklist li b{font-weight:600}
.checklist li span{color:var(--muted)}
.faq-item{border-top:1px solid var(--line);padding:1.3rem 0}
.faq-item:first-child{border-top:0}
.faq-item h3{font-size:1.06rem;margin:0 0 .5rem}
.faq-item p{color:var(--muted);margin:0}
.callout{border:1px solid var(--line);border-left:3px solid var(--accent);background:var(--mist);
  border-radius:var(--r-card);padding:1.9rem 2.1rem}
.callout h3{font-size:1.25rem;margin:0 0 .9rem}
.struct{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden}
.struct .row{padding:.95rem 1.4rem;border-top:1px solid var(--line);display:flex;gap:1.1rem;align-items:baseline}
.struct .row:first-child{border-top:0}
.struct .row .n{font-family:var(--f-mono);font-size:.78rem;color:var(--accent);flex-shrink:0}
.struct .row b{font-weight:600}
.struct .row .l{color:var(--muted);font-size:.95rem}

/* hero com mockup (split) */
.hero-split{display:grid;grid-template-columns:1.05fr .95fr;gap:3.2rem;align-items:center}
.hero-split .hero-copy h1{font-size:clamp(1.9rem,1.3rem+2.4vw,3rem)}
.hero-split .hero-copy .lead{max-width:42ch}
/* mockup de navegador */
.mockup{border:1px solid var(--line);border-radius:11px;overflow:hidden;background:var(--paper);
  box-shadow:0 24px 60px -28px rgba(14,17,22,.4)}
.mockup-bar{display:flex;align-items:center;gap:.45rem;padding:.6rem .85rem;background:var(--mist);border-bottom:1px solid var(--line)}
.mockup-dot{width:9px;height:9px;border-radius:50%;background:#cfd0cb}
.mockup-url{margin-left:.7rem;flex:1;background:var(--paper);border:1px solid var(--line);border-radius:6px;
  padding:.28rem .7rem;font-family:var(--f-mono);font-size:.66rem;color:var(--muted)}
.mockup-body{padding:1.4rem 1.5rem 1.5rem}
.mk-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.4rem}
.mk-logo{font-family:var(--f-display);font-weight:600;font-size:.82rem;color:var(--ink)}
.mk-nav{display:flex;gap:.4rem}
.mk-nav span{width:22px;height:5px;border-radius:3px;background:var(--line)}
.mk-eyebrow{font-family:var(--f-mono);font-size:.6rem;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:.5rem}
.mk-title{font-family:var(--f-display);font-weight:600;font-size:1.18rem;line-height:1.14;letter-spacing:-.01em;margin-bottom:.7rem;color:var(--ink)}
.mk-line{height:6px;border-radius:3px;background:var(--line);margin-bottom:.42rem}
.mk-btn{display:inline-block;margin-top:.8rem;background:var(--accent);color:#fff;font-size:.66rem;
  font-weight:600;padding:.42rem .85rem;border-radius:4px}
.mk-cards{display:grid;grid-template-columns:1fr 1fr 1fr;gap:.55rem;margin-top:1.4rem}
.mk-card{border:1px solid var(--line);border-radius:6px;padding:.65rem}
.mk-card .h{height:5px;width:55%;background:var(--accent);opacity:.55;border-radius:3px;margin-bottom:.45rem}
.mk-card .l{height:4px;background:var(--line);border-radius:2px;margin-bottom:.3rem}
.mk-foot{margin-top:1.3rem;padding-top:.8rem;border-top:1px solid var(--line);
  font-family:var(--f-mono);font-size:.6rem;letter-spacing:.06em;color:var(--muted)}

/* ===================== RESPONSIVO ===================== */
@media(max-width:900px){
  .card-grid,.work-grid,.post-grid,.reasons,.steps,.seg-grid{grid-template-columns:1fr 1fr}
  .svc-grid,.hero-split{grid-template-columns:1fr}
  .hero-split{gap:2.5rem}
  .footer-top{grid-template-columns:1fr 1fr;gap:2rem}
  .contact-grid{grid-template-columns:1fr;gap:1.6rem}
}
@media(max-width:640px){
  section{padding:4rem 0}
  .nav{display:none}
  .menu-toggle{display:block}
  .card-grid,.work-grid,.post-grid,.reasons,.steps,.footer-top,.seg-grid{grid-template-columns:1fr}
  .hero{padding:4rem 0 4.5rem}
  .hero h1,.page-intro h1{max-width:none}
  .footer-fine{flex-direction:column}
  /* mobile nav overlay */
  .mobile-nav.open{display:block;position:fixed;inset:64px 0 0;background:var(--paper);z-index:55;padding:1.5rem}
  .mobile-nav a{display:block;font-family:var(--f-display);font-size:1.4rem;font-weight:600;
    color:var(--ink);padding:1rem 0;border-bottom:1px solid var(--line)}
  .mobile-nav .btn{margin-top:1.5rem;width:100%;justify-content:center}
}