/* =========================================================
   GYRA — tokens de marca (edite só aqui para trocar a identidade)
   Regra de contraste: laranja como TEXTO só sobre fundo escuro.
   Sobre fundo claro, laranja é apenas forma/botão (texto preto).
   ========================================================= */
:root{
  --ink:#0D0D0D;
  --ink-2:#181716;
  --paper:#F5F3EF;
  --orange:#F28729;
  --orange-soft:#F7B27A;
  --muted-d:#A6A3A0;   /* texto secundário sobre escuro */
  --muted-l:#5C5A57;   /* texto secundário sobre claro (>=6:1) */
  --line-d:rgba(245,243,239,.14);
  --line-l:rgba(13,13,13,.14);
  --serif:'Playfair Display',Georgia,'Times New Roman',serif;
  --sans:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --maxw:1180px;
  --gut:clamp(16px,4vw,40px);
  --radius:18px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--sans);background:var(--paper);color:var(--ink);line-height:1.6;font-size:17px;overflow-x:hidden}
img,svg{max-width:100%;display:block}
a{color:inherit}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding-inline:var(--gut)}
.skip{position:absolute;left:-999px;top:8px;background:var(--orange);color:var(--ink);padding:10px 14px;border-radius:8px;z-index:100}
.skip:focus{left:8px}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px;border-radius:4px}

/* ---------- tipografia ---------- */
.serif{font-family:var(--serif)}
h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.08;letter-spacing:-.01em}
h1{font-size:clamp(2.5rem,7vw,5.2rem)}
h2{font-size:clamp(2rem,4.6vw,3.4rem)}
h3{font-size:1.45rem;line-height:1.2}
em{font-style:italic}
.eyebrow{font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;font-weight:600}
.lead{font-size:clamp(1.05rem,2vw,1.25rem);max-width:60ch}
.dark{background:var(--ink);color:var(--paper)}
.dark .muted{color:var(--muted-d)}
.light .muted{color:var(--muted-l)}
.dark .eyebrow,.dark h1 em,.dark h2 em{color:var(--orange)}
.light .eyebrow{color:var(--ink)}
.light .eyebrow::before,.dark .eyebrow::before{content:"";display:inline-block;width:28px;height:3px;background:var(--orange);margin-right:12px;vertical-align:middle;border-radius:2px}

/* ---------- botões ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;padding:15px 26px;border-radius:999px;font-weight:600;font-size:1rem;text-decoration:none;border:2px solid transparent;cursor:pointer;font-family:var(--sans);transition:transform .2s,background .2s,color .2s,border-color .2s}
.btn-primary{background:var(--orange);color:var(--ink)}
.btn-primary:hover{transform:translateY(-2px);background:var(--orange-soft)}
.btn-ghost{border-color:currentColor;background:transparent}
.dark .btn-ghost{color:var(--paper)}
.btn-ghost:hover{transform:translateY(-2px)}
.dark .btn-ghost:hover{background:var(--paper);color:var(--ink)}
.light .btn-ghost:hover{background:var(--ink);color:var(--paper)}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(13,13,13,.86);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);color:var(--paper);border-bottom:1px solid var(--line-d)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none}
.logo-g{font-family:var(--serif);font-weight:700;font-size:2.1rem;line-height:1;color:var(--orange);transform:translateY(-3px)}
.logo-word{font-weight:700;letter-spacing:.32em;font-size:.95rem}
.nav{display:flex;align-items:center;gap:28px}
.nav a{text-decoration:none;font-size:.95rem;font-weight:500;color:var(--muted-d);transition:color .2s;padding:6px 0;border-bottom:2px solid transparent}
.nav a:hover,.nav a[aria-current="page"]{color:var(--paper)}
.nav a[aria-current="page"]{border-color:var(--orange)}
.nav .btn{padding:10px 20px;font-size:.92rem;color:var(--ink);border-bottom:2px solid transparent}
.nav .btn:hover{color:var(--ink)}
.menu-btn{display:none;background:none;border:0;color:var(--paper);width:44px;height:44px;cursor:pointer}
.menu-btn span{display:block;width:24px;height:2px;background:currentColor;margin:5px auto;transition:.25s}
@media(max-width:860px){
  .menu-btn{display:block}
  .nav{position:fixed;inset:72px 0 auto 0;background:var(--ink);flex-direction:column;align-items:flex-start;gap:6px;padding:20px var(--gut) 28px;border-bottom:1px solid var(--line-d);transform:translateY(-130%);transition:transform .3s;visibility:hidden}
  .nav.open{transform:none;visibility:visible}
  .nav a{font-size:1.15rem;padding:10px 0;width:100%;color:var(--paper)}
  .nav .btn{width:auto;margin-top:10px}
}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:clamp(48px,8vw,110px) 0 clamp(64px,8vw,120px);isolation:isolate}
.hero::before{content:"";position:absolute;inset:-20% -10% auto auto;width:70vw;height:70vw;max-width:900px;max-height:900px;background:radial-gradient(closest-side,rgba(242,135,41,.32),transparent 70%);z-index:-1}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:20px;align-items:center}
.hero h1{margin:18px 0 26px}
.hero .lead{color:var(--muted-d);margin-bottom:34px}
.hero .actions{display:flex;flex-wrap:wrap;gap:14px}
.mark3d{perspective:1100px;height:clamp(300px,42vw,520px);display:grid;place-items:center;touch-action:pan-y}
.mark3d__body{position:relative;width:1em;height:1em;font-size:clamp(260px,34vw,460px);transform-style:preserve-3d;will-change:transform}
.mark3d__body span{position:absolute;inset:0;display:grid;place-items:center;font-family:var(--serif);font-weight:700;line-height:1;backface-visibility:visible;user-select:none;pointer-events:none}
.mark3d__static{font-family:var(--serif);font-weight:700;font-size:clamp(220px,30vw,400px);line-height:1;color:var(--orange);display:none}
.no-3d .mark3d__body{display:none}
.no-3d .mark3d__static{display:block}
@media(max-width:860px){
  .hero .wrap{grid-template-columns:1fr}
  .mark3d{order:-1;height:260px}
  .mark3d__body{font-size:230px}
}
.strip{border-top:1px solid var(--line-d);margin-top:clamp(40px,6vw,80px);padding-top:26px;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.strip div{font-size:.95rem;color:var(--muted-d)}
.strip strong{display:block;color:var(--paper);font-size:1rem;margin-bottom:4px}
@media(max-width:700px){.strip{grid-template-columns:1fr;gap:16px}}

/* ---------- seções ---------- */
section{padding:clamp(64px,9vw,120px) 0}
.sec-head{max-width:760px;margin-bottom:clamp(36px,5vw,64px)}
.sec-head h2{margin:14px 0 18px}
.manifesto{text-align:left}
.manifesto p.big{font-family:var(--serif);font-size:clamp(2rem,5.4vw,4rem);line-height:1.1;font-weight:500;max-width:18ch}
.manifesto p.big mark{background:linear-gradient(transparent 62%,var(--orange) 62%);color:inherit;padding:0 .08em}
.manifesto .sub{margin-top:28px;max-width:56ch}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{border:1px solid var(--line-l);border-radius:var(--radius);padding:30px;background:#fff;display:flex;flex-direction:column;gap:14px;transition:transform .25s,box-shadow .25s}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 40px -22px rgba(13,13,13,.4)}
.card .num{font-family:var(--serif);font-size:2.6rem;color:var(--ink);line-height:1}
.card .num::after{content:"";display:block;width:36px;height:4px;background:var(--orange);margin-top:10px;border-radius:2px}
.card ul{list-style:none;display:grid;gap:8px;font-size:.96rem;color:var(--muted-l);margin-top:6px}
.card ul li::before{content:"—";margin-right:8px;color:var(--ink)}
.dark .card{background:var(--ink-2);border-color:var(--line-d)}
@media(max-width:900px){.cards{grid-template-columns:1fr}}

.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:s;border-top:1px solid var(--line-d)}
.step{padding:28px 24px 8px 0;position:relative}
.step::before{counter-increment:s;content:"0" counter(s);font-family:var(--serif);font-size:2.2rem;color:var(--orange);display:block;margin-bottom:10px}
.step h3{margin-bottom:10px}
.step p{color:var(--muted-d);font-size:.97rem}
.step .tag{display:inline-block;margin-top:14px;font-size:.78rem;border:1px solid var(--line-d);border-radius:999px;padding:4px 12px;color:var(--paper)}
@media(max-width:900px){.steps{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.steps{grid-template-columns:1fr}}

.demos{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.demo-card{display:flex;flex-direction:column;text-decoration:none;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line-l);background:#fff;transition:transform .25s,box-shadow .25s}
.demo-card:hover{transform:translateY(-5px);box-shadow:0 20px 44px -22px rgba(13,13,13,.5)}
.demo-thumb{aspect-ratio:4/3;position:relative;overflow:hidden}
.demo-thumb i{position:absolute;inset:auto 14px 14px 14px;height:38%;border-radius:10px;background:rgba(255,255,255,.9)}
.demo-thumb b{position:absolute;left:14px;top:14px;font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;background:var(--ink);color:var(--paper);padding:4px 10px;border-radius:999px;font-weight:600}
.demo-body{padding:20px 22px 24px}
.demo-body h3{font-size:1.2rem;margin-bottom:6px}
.demo-body p{font-size:.92rem;color:var(--muted-l)}
.demo-body span{display:inline-block;margin-top:14px;font-weight:600;font-size:.92rem;border-bottom:3px solid var(--orange)}
@media(max-width:1000px){.demos{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.demos{grid-template-columns:1fr}}

/* depoimentos e cases (alimentados por js/config.js) */
.quotes{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px}
.quote{border:1px solid var(--line-d);border-radius:var(--radius);padding:30px;background:var(--ink-2);display:flex;flex-direction:column;gap:20px}
.quote blockquote{font-family:var(--serif);font-size:1.35rem;line-height:1.35}
.quote figcaption{font-size:.92rem;color:var(--muted-d)}
.quote figcaption strong{color:var(--paper);display:block}
.quote video,.quote iframe{width:100%;aspect-ratio:9/16;border-radius:12px;border:0;background:#000}
.case-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px}
.case{background:#fff;border:1px solid var(--line-l);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column}
.case img{aspect-ratio:16/10;width:100%;object-fit:cover}
.case div{padding:26px;display:grid;gap:12px}
.case dl{display:grid;gap:6px;font-size:.95rem}
.case dt{font-weight:700}
.case dd{color:var(--muted-l)}
.empty{border:2px dashed var(--line-l);border-radius:var(--radius);padding:clamp(28px,5vw,56px);text-align:left}
.empty h3{margin-bottom:10px}

/* CTA e footer */
.cta{text-align:left}
.cta h2{max-width:16ch;margin:14px 0 30px}
.site-footer{background:var(--ink);color:var(--muted-d);padding:56px 0 34px;border-top:1px solid var(--line-d);font-size:.93rem}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:34px}
.foot h4{color:var(--paper);font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:14px}
.foot a{display:block;text-decoration:none;padding:4px 0}
.foot a:hover{color:var(--paper)}
.foot .logo{margin-bottom:14px}
.legal{margin-top:40px;padding-top:22px;border-top:1px solid var(--line-d);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.85rem}
@media(max-width:760px){.foot{grid-template-columns:1fr}}

/* páginas internas */
.page-hero{padding:clamp(56px,8vw,110px) 0 clamp(40px,6vw,72px)}
.page-hero h1{font-size:clamp(2.3rem,6vw,4.4rem);margin:16px 0 20px;max-width:18ch}
.page-hero .lead{color:var(--muted-d)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,72px);align-items:start}
@media(max-width:860px){.split{grid-template-columns:1fr}}
.people{display:grid;grid-template-columns:1fr 1fr;gap:22px}
@media(max-width:640px){.people{grid-template-columns:1fr}}
.person{border:1px solid var(--line-l);background:#fff;border-radius:var(--radius);padding:30px}
.avatar{width:84px;height:84px;border-radius:50%;background:var(--ink);color:var(--orange);display:grid;place-items:center;font-family:var(--serif);font-size:2.6rem;margin-bottom:18px}
.person h3{margin-bottom:6px}
.person .role{font-weight:600;margin-bottom:10px}

/* formulário */
form.contact{display:grid;gap:18px}
.field{display:grid;gap:8px}
.field label{font-weight:600;font-size:.92rem}
.field input,.field select,.field textarea{font:inherit;padding:14px 16px;border-radius:12px;border:1.5px solid var(--line-l);background:#fff;color:var(--ink);width:100%}
.field textarea{min-height:130px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:3px solid var(--orange);outline-offset:1px;border-color:var(--ink)}
.form-note{font-size:.88rem;color:var(--muted-l)}
.form-ok{display:none;padding:18px 20px;border-radius:12px;background:var(--ink);color:var(--paper);border-left:6px solid var(--orange)}
.form-ok.show{display:block}

/* laboratório */
.lab-note{border-left:6px solid var(--orange);padding:16px 22px;background:#fff;border-radius:0 12px 12px 0;max-width:70ch}

/* animações de entrada */
.js .reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.js .reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none;transition:none}
  .btn,.card,.demo-card{transition:none}
}