/* site.css — I.S. Forte Construtora e Engenharia · LPs reforma comercial + reforma residencial (8 slugs A/B)
   Primitivos do base-kit BuildV (reset, base, header, botões, cookie à esquerda, lightbox, reveal, assinatura)
   reescritos SÓ com tokens de tokens.css (design-system/). Zero cor ou fonte fixa aqui.
   As regras de layout de cada seção ficam no <style> escopado pelo #id da própria seção. */

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
*{margin:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 16px)}
/* overflow-x no html (clip), nunca no body: overflow no body quebra position:sticky */
html{overflow-x:clip}
body{min-height:100dvh;font-family:var(--font-body);font-size:var(--fs-body);line-height:var(--lh-body);
  color:var(--c-text);background:var(--c-bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:var(--fw-display-regular);line-height:var(--lh-heading);
  letter-spacing:var(--tracking-heading);text-wrap:balance;color:inherit}
p{text-wrap:pretty}
img,picture,svg,video{display:block;max-width:100%}
img{height:auto}
a{color:inherit}
button{font:inherit;color:inherit;cursor:pointer;background:none;border:0;padding:0}
ul,ol{padding:0;list-style:none}
blockquote{margin:0}
figure{margin:0}
:where(a,button,summary,[tabindex]):focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;border-radius:var(--r-sm)}
.skip{position:absolute;left:12px;top:-80px;z-index:200;background:var(--c-primary);color:var(--c-white);
  padding:10px 16px;border-radius:var(--r-sm);text-decoration:none}
.skip:focus{top:12px}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}

/* ---------- base ---------- */
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--px)}
.section{padding-block:clamp(88px,11vw,var(--space-16))}
.section--soft{background:var(--c-bg-soft)}
.section--surface{background:var(--c-surface)}
.section--dark{background:var(--c-dark);color:var(--c-white)}

/* eyebrow: caixa alta tracked + filete curto de marinho (grafismo do DS §5) */
.eyebrow{display:flex;align-items:center;gap:12px;font-family:var(--font-body);font-size:var(--fs-eyebrow);
  font-weight:var(--fw-body-semibold);letter-spacing:var(--tracking-eyebrow);text-transform:uppercase;
  color:var(--c-primary);margin-bottom:var(--space-3)}
.eyebrow::before{content:"";flex:0 0 28px;height:2px;background:var(--c-accent)}
.section--dark .eyebrow{color:var(--c-n200)}
.section--dark .eyebrow::before{background:var(--c-n400)}
.h2{font-size:var(--fs-h2);color:var(--c-dark)}
.section--dark .h2{color:var(--c-white)}
.h3{font-size:var(--fs-h3);line-height:1.25}
.lead{font-size:var(--fs-body-lg);line-height:1.6;color:var(--c-text)}
.muted{color:var(--c-muted)}
.body-copy p+p{margin-top:1em}

/* ---------- botões (CTA único: pill primário; abre o Widget CRM BuildV) ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.6em;min-height:52px;padding:14px 30px;
  border-radius:var(--r-pill);font-family:var(--font-body);font-weight:var(--fw-body-semibold);font-size:1rem;line-height:1.1;
  text-decoration:none;text-align:center;white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease)}
.btn--primary{background:var(--c-primary);color:var(--c-white)}
.btn--primary:hover{background:var(--c-primary-dark);box-shadow:var(--shadow-sm)}
.btn--light{background:var(--c-white);color:var(--c-dark)}
.btn--light:hover{background:var(--c-bg-soft)}
.btn--sm{min-height:42px;padding:10px 20px;font-size:.92rem}
.btn--lg{min-height:58px;padding:18px 36px;font-size:1.05rem}
.btn:focus-visible{outline:2px solid var(--c-primary-dark);outline-offset:3px}
.section--dark .btn:focus-visible,.hero .btn:focus-visible{outline-color:var(--c-white)}

/* microcopy + CTA no fim da seção */
.cta-line{display:flex;flex-wrap:wrap;align-items:center;gap:14px 22px;margin-top:var(--space-6)}
.cta-line__txt{font-size:var(--fs-body);color:var(--c-muted)}
.section--dark .cta-line__txt{color:var(--c-n200)}

/* ---------- header (transparente sobre o hero, sólido ao rolar) ---------- */
.site-header{position:fixed;inset:0 0 auto 0;z-index:50;height:var(--header-h);display:flex;align-items:center;
  transition:background .3s var(--ease),border-color .3s var(--ease);border-bottom:1px solid transparent}
.site-header .container{display:flex;align-items:center;justify-content:space-between;gap:20px}
.site-header__brand{display:block;flex:0 0 auto}
.site-header__brand img{height:44px;width:auto}
.site-header .logo-dark{display:none}
.site-header.is-solid{background:color-mix(in srgb,var(--c-bg) 94%,transparent);backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);border-bottom-color:var(--c-n200)}
.site-header.is-solid .logo-light{display:none}
.site-header.is-solid .logo-dark{display:block}
.site-header .btn{background:var(--c-white);color:var(--c-dark)}
.site-header.is-solid .btn{background:var(--c-primary);color:var(--c-white)}
.site-header.is-solid .btn:hover{background:var(--c-primary-dark)}
@media (max-width:560px){.site-header__brand img{height:34px}.site-header .btn{padding:9px 16px;font-size:.86rem}}

/* ---------- rodapé (LP: nome, cidade, endereço; nunca WhatsApp/telefone) ---------- */
.site-footer{background:var(--c-dark);color:var(--c-n200);padding-block:var(--space-8) var(--space-4)}
.site-footer__grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.4fr);gap:var(--space-6);align-items:start}
.site-footer__brand img{height:52px;width:auto}
.site-footer__info{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--space-3) var(--space-4)}
.site-footer__info dt{font-size:var(--fs-eyebrow);letter-spacing:var(--tracking-eyebrow);text-transform:uppercase;color:var(--c-n400);margin-bottom:4px}
.site-footer__info dd{margin:0;color:var(--c-white);font-size:var(--fs-small);line-height:1.6}
.site-footer__base{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:var(--space-8);
  padding-top:var(--space-3);border-top:1px solid color-mix(in srgb,var(--c-white) 14%,transparent);font-size:var(--fs-small)}
.site-footer__base a{color:var(--c-white)}
@media (max-width:900px){.site-footer__grid{grid-template-columns:1fr}}
@media (max-width:560px){.site-footer__info{grid-template-columns:1fr}}

/* ---------- páginas utilitárias (privacidade, 404, raiz) ---------- */
.page-util{padding-block:calc(var(--header-h) + var(--space-8)) var(--space-12)}
.page-util .container{max-width:820px}
.page-util h1{font-size:var(--fs-h1);color:var(--c-dark);margin-bottom:var(--space-4)}
.page-util h2{font-size:var(--fs-h3);color:var(--c-dark);margin:var(--space-6) 0 var(--space-2)}
.page-util p,.page-util li{max-width:68ch}
.page-util p+p{margin-top:1em}
.page-util ul{list-style:disc;padding-left:1.2em;display:grid;gap:.5em}
.page-util a{color:var(--c-primary)}

/* ---------- banner de cookies: SEMPRE À ESQUERDA (o canto direito é do widget de conversão) ---------- */
.cookie{position:fixed;left:20px;bottom:20px;z-index:70;width:min(380px,calc(100% - 40px));
  background:var(--c-surface);color:var(--c-text);border:1px solid var(--c-n200);border-radius:var(--r-md);
  box-shadow:var(--shadow-md);padding:18px 20px;font-size:var(--fs-small);line-height:1.55}
.cookie[hidden]{display:none}
.cookie a{color:var(--c-primary)}
.cookie__actions{display:flex;gap:10px;margin-top:12px}
.cookie__actions button{padding:.6em 1.2em;border-radius:var(--r-pill);font-weight:var(--fw-body-semibold);font-size:.86rem}
.cookie__ok{background:var(--c-primary);color:var(--c-white)}
.cookie__no{border:1px solid var(--c-n400)}
@media (max-width:560px){.cookie{left:12px;bottom:12px;width:calc(100% - 104px);padding:12px 14px;font-size:.78rem;line-height:1.45}.cookie__actions{margin-top:8px}.cookie__actions button{padding:.5em 1em;font-size:.8rem}}

/* ---------- lightbox (galeria por obra) ---------- */
.lb{position:fixed;inset:0;z-index:90;display:none;align-items:center;justify-content:center;gap:12px;
  background:color-mix(in srgb,var(--c-dark) 94%,transparent);padding:24px}
.lb.is-open{display:flex}
.lb__stage{max-width:min(1100px,92vw);display:flex;flex-direction:column;align-items:center;gap:12px}
.lb__stage img{max-height:80vh;width:auto;border-radius:var(--r-sm)}
.lb__cap{color:var(--c-n200);font-size:var(--fs-small);text-align:center}
.lb__x{position:absolute;top:16px;right:20px;color:var(--c-white);font-size:2.2rem;line-height:1;width:48px;height:48px}
.lb__nav{color:var(--c-white);font-size:2.6rem;line-height:1;width:52px;height:52px;opacity:.8}
.lb__nav:hover{opacity:1}
.lb__nav[hidden]{display:none}
@media (max-width:640px){.lb__nav{position:absolute;bottom:18px}.lb__prev{left:22%}.lb__next{right:22%}}

/* ---------- parallax leve [data-parallax]: só liga via JS (site.js); sem JS/RM fica na posição normal ---------- */
[data-parallax]{will-change:transform}

/* ---------- reveal: visível por padrão; só esconde com html.js; revela por posição (site.js) ---------- */
html.js [data-reveal]{opacity:0;transform:translateY(12px);
  transition:opacity .6s var(--ease),transform .6s var(--ease)}
html.js [data-reveal].is-in{opacity:1;transform:none}
html.js [data-delay="1"]{transition-delay:.08s}
html.js [data-delay="2"]{transition-delay:.16s}
html.js [data-delay="3"]{transition-delay:.24s}
@media (prefers-reduced-motion: reduce){
  html.js [data-reveal]{opacity:1;transform:none;transition:none}
}

/* ---------- ASSINATURA: a casa isométrica da logo que se monta ----------
   Mesmas 4 faces + 4 janelas do símbolo. O royal (--c-logo-royal) aparece só aqui,
   dentro do próprio grafismo da marca (DS §7), nunca como cor de interface. */
.casa{display:block;width:100%;height:auto;overflow:visible}
.casa .f-base{fill:var(--c-accent)}
.casa .f-dir{fill:var(--c-primary)}
.casa .f-teto{fill:var(--c-logo-royal)}
.casa .f-esq{fill:var(--c-dark)}
.casa .f-jan{fill:var(--c-primary)}
.casa .p{transform-box:fill-box;transform-origin:50% 100%;transition:opacity .55s var(--ease),transform .7s var(--ease)}
/* estado "desmontado" só quando o JS está ativo e a peça ainda não encaixou */
html.js .casa[data-montar] .p:not(.on){opacity:0;transform:translateY(-26%)}
html.js .casa[data-montar] .p.p-base:not(.on){transform:translateY(22%)}
@media (prefers-reduced-motion: reduce){.casa .p{transition:none}html.js .casa[data-montar] .p:not(.on){opacity:1;transform:none}}