/* ================================================================
   VOLT SITES — STYLESHEET
   Cores em variáveis CSS, sobrescritas em runtime por script.js
   a partir de config.js.
   ================================================================ */

:root{
  --bg: #0B0B0B;
  --card-bg: #151515;
  --white: #FFFFFF;
  --gray: #A1A1AA;
  --yellow: #FACC15;

  --font-display: "Space Grotesk", sans-serif;
  --font-body: "Manrope", sans-serif;

  --container: 1220px;
  --radius: 10px;
  --border: rgba(255,255,255,0.08);
}

*,*::before,*::after{ box-sizing: border-box; }

html{ scroll-behavior: smooth; scroll-padding-top: 90px; }

body{
  margin:0;
  background: var(--bg);
  color: var(--white);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration:none; }

h1,h2,h3{
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin:0;
}

p{ margin:0; color: var(--gray); }

ul{ margin:0; padding:0; list-style:none; }

.container{ max-width: var(--container); margin:0 auto; padding: 0 28px; }

:focus-visible{ outline: 2px solid var(--yellow); outline-offset: 3px; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.001ms !important; animation-iteration-count:1 !important; transition-duration: 0.001ms !important; scroll-behavior:auto !important; }
}

/* ---------------- ICONS ---------------- */
.icon{ width: 20px; height: 20px; }
.icon--sm{ width: 16px; height: 16px; }

/* ---------------- BUTTONS ---------------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  padding: 14px 26px;
  border-radius: 8px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.92rem;
  border: 1px solid transparent;
  cursor:pointer;
  transition: background .2s ease, color .2s ease, border-color .2s ease, transform .15s ease, box-shadow .2s ease;
  white-space: nowrap;
}
.btn--lg{ padding: 17px 32px; font-size: 1rem; }
.btn:hover{ transform: translateY(-2px); }

.btn--primary{ background: var(--yellow); color: #1A1502; box-shadow: 0 8px 24px -8px rgba(250,204,21,0.55); }
.btn--primary:hover{ background: #FDE047; }

.btn--outline{ background: transparent; color: var(--white); border-color: var(--border); }
.btn--outline:hover{ border-color: var(--yellow); color: var(--yellow); }

.btn--header{ padding: 10px 18px; font-size: 0.85rem; }

.btn--full{ width:100%; justify-content:center; }

/* ---------------- HEADER ---------------- */
.header{
  position: fixed; top:0; left:0; right:0; z-index: 100;
  background: rgba(11,11,11,0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s ease;
}
.header.is-scrolled{ border-color: var(--border); }

.header__inner{ display:flex; align-items:center; justify-content:space-between; height: 76px; gap: 24px; }

.brand{ font-family: var(--font-display); font-size: 1.3rem; font-weight:700; color: var(--white); flex-shrink:0; }
.brand span{ color: var(--yellow); }

.nav{ display:flex; gap: 30px; flex:1; justify-content:center; }
.nav a{ font-size: 0.92rem; font-weight:500; color: var(--gray); transition: color .2s ease; }
.nav a:hover{ color: var(--white); }

.nav-toggle{ display:none; background:none; border:none; color:var(--white); cursor:pointer; }

.mobile-nav{
  position: fixed; inset:0; z-index:200;
  background: var(--bg);
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap: 26px;
  transform: translateY(-100%);
  transition: transform .35s ease;
}
.mobile-nav.is-open{ transform: translateY(0); }
.mobile-nav a{ font-family: var(--font-display); font-size: 1.6rem; font-weight:600; }
.mobile-nav__close{ position:absolute; top:26px; right:28px; background:none; border:none; color:var(--white); cursor:pointer; }

/* ---------------- HERO ---------------- */
.hero{ padding: 160px 0 110px; overflow:hidden; position:relative; }
.hero::before{
  content:""; position:absolute; top:-200px; right:-200px; width:600px; height:600px;
  background: radial-gradient(circle, rgba(250,204,21,0.10) 0%, transparent 70%);
  pointer-events:none;
}
.hero__grid{ position:relative; display:grid; grid-template-columns: 1fr 0.95fr; gap: 60px; align-items:center; }

.hero__title{ font-size: clamp(2.4rem, 4.4vw, 3.5rem); max-width: 15ch; opacity:0; animation: rise .6s ease forwards; }
.hero__subtitle{ margin-top: 24px; max-width: 46ch; font-size: 1.08rem; opacity:0; animation: rise .6s ease .12s forwards; }
.hero__actions{ margin-top: 36px; display:flex; flex-wrap:wrap; gap:16px; opacity:0; animation: rise .6s ease .24s forwards; }
@keyframes rise{ from{ opacity:0; transform: translateY(16px);} to{ opacity:1; transform:none; } }

/* --- device mockups (CSS only, no images needed) --- */
.hero__mockups{ position:relative; height: 420px; }

.mockup-desktop{
  width: 100%; max-width: 460px;
  background: #1C1C1C; border-radius: 10px; border: 1px solid var(--border);
  box-shadow: 0 30px 60px -20px rgba(0,0,0,0.6);
  overflow:hidden;
}
.mockup-desktop__bar{ display:flex; gap:6px; padding: 10px 12px; background: #232323; }
.mockup-desktop__bar span{ width:9px; height:9px; border-radius:50%; background:#3a3a3a; }
.mockup-desktop__bar span:first-child{ background: #E6392F; }
.mockup-desktop__screen{ background: var(--card-bg); padding: 18px; }
.mockup-desktop__nav{ display:flex; gap:14px; margin-bottom: 18px; }
.mockup-desktop__nav span{ width: 34px; height: 6px; border-radius:3px; background: #333; }
.mockup-desktop__hero{ padding: 14px 0 22px; border-bottom: 1px solid #262626; }
.mockup-desktop__hero-grid{ display:flex; align-items:center; gap: 14px; }
.mockup-desktop__hero-text{ flex: 1.1; }
.mockup-desktop__hero-text .mockup-line--lg,
.mockup-desktop__hero-text .mockup-line--md{ margin-bottom: 10px; }
.mockup-desktop__hero-photo{
  flex: 0.9; height: 78px; border-radius: 6px;
  background: linear-gradient(135deg, rgba(250,204,21,0.35), rgba(250,204,21,0.08));
  border: 1px solid rgba(250,204,21,0.25);
}
.mockup-line{ height:8px; border-radius:4px; background: #2E2E2E; }
.mockup-line--lg{ width: 78%; height:14px; margin-bottom: 10px; background: #3A3A3A; }
.mockup-line--md{ width: 55%; margin-bottom: 16px; }
.mockup-line--sm{ width: 80%; height:10px; margin-bottom: 8px; background:#3A3A3A; }
.mockup-line--xs{ width: 55%; margin-bottom: 16px; }
.mockup-btn{ width: 90px; height: 20px; border-radius: 5px; background: var(--yellow); }
.mockup-btn--sm{ width: 70px; height:16px; margin-bottom: 16px; }
.mockup-desktop__cards{ display:flex; gap: 10px; padding-top: 18px; }
.mockup-card{ flex:1; height: 48px; border-radius: 6px; background: #232323; border: 1px solid #2c2c2c; }

.mockup-mobile{
  position:absolute; right: 0; bottom: -20px; width: 150px;
  background: #1C1C1C; border-radius: 22px; border: 1px solid var(--border);
  box-shadow: 0 30px 60px -18px rgba(0,0,0,0.7);
  padding: 10px 10px 16px;
}
.mockup-mobile__notch{ width: 40px; height:5px; border-radius:3px; background:#333; margin: 0 auto 10px; }
.mockup-mobile__screen{ background: var(--card-bg); border-radius: 10px; padding: 14px 12px; }
.mockup-card--tall{ height: 70px; margin-top: 6px; }

/* ---------------- SECTION TITLES ---------------- */
.section-title{ font-size: clamp(1.9rem, 3.4vw, 2.6rem); text-align:center; margin-bottom: 54px; max-width: 22ch; margin-left:auto; margin-right:auto; }

section{ padding: 110px 0; }

/* ---------------- PROBLEMA ---------------- */
.problem{ background: var(--card-bg); }
.problem__intro{ max-width: 720px; margin: 0 auto 56px; text-align:center; }
.problem__intro h2{ font-size: clamp(1.9rem, 3.4vw, 2.6rem); }
.problem__intro p{ margin-top: 22px; font-size: 1.05rem; }

.problem__compare{ display:grid; grid-template-columns: 1fr 1fr; gap: 24px; max-width: 820px; margin:0 auto; }
.compare-card{ background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 30px 26px; }
.compare-card h3{ font-size: 1.1rem; font-family: var(--font-body); font-weight:700; margin-bottom: 22px; color: var(--gray); }
.compare-card--highlight{ border-color: rgba(250,204,21,0.4); box-shadow: 0 0 0 1px rgba(250,204,21,0.15); }
.compare-card--highlight h3{ color: var(--yellow); }
.compare-card li{ display:flex; align-items:flex-start; gap: 10px; padding: 10px 0; font-size: 0.95rem; color: var(--white); border-top: 1px solid var(--border); }
.compare-card li:first-of-type{ border-top:none; }
.compare-card li .icon{ width:18px; height:18px; flex-shrink:0; margin-top:2px; }
.compare-card:not(.compare-card--highlight) li .icon{ color:#555; }
.compare-card--highlight li .icon{ color: var(--yellow); }

/* ---------------- SERVIÇOS ---------------- */
.services__grid{ display:grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.service-card{
  background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 30px 24px; transition: border-color .2s ease, transform .2s ease;
}
.service-card:hover{ border-color: rgba(250,204,21,0.4); transform: translateY(-4px); }
.service-card h3{ font-size: 1.15rem; }
.service-card p{ margin-top: 12px; font-size: 0.92rem; }

/* ---------------- DIFERENCIAIS ---------------- */
.differentials{ background: var(--card-bg); }
.differentials__grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.differential-card{ background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px 24px; }
.differential-card__icon{
  width: 46px; height:46px; border-radius:10px;
  background: rgba(250,204,21,0.12); color: var(--yellow);
  display:flex; align-items:center; justify-content:center; margin-bottom: 18px;
}
.differential-card h3{ font-size: 1.08rem; }
.differential-card p{ margin-top: 10px; font-size: 0.92rem; }

/* ---------------- PORTFÓLIO ---------------- */
.portfolio__grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.portfolio-card{
  background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius);
  overflow:hidden; transition: transform .2s ease, border-color .2s ease;
}
.portfolio-card:hover{ transform: translateY(-5px); border-color: rgba(250,204,21,0.35); }
.portfolio-card__preview{ padding: 18px; }
.portfolio-card__bar{ display:flex; gap:5px; margin-bottom: 12px; }
.portfolio-card__bar span{ width:7px; height:7px; border-radius:50%; opacity:.6; }
.portfolio-card__frame{ border-radius: 6px; overflow:hidden; height: 160px; position:relative; }

/* --- réplica em miniatura: Studio Aura --- */
.mini-aura{ width:100%; height:100%; display:flex; align-items:center; padding: 16px 14px; gap: 10px; }
.mini-aura__text{ flex:1.1; display:flex; flex-direction:column; gap:7px; }
.mini-aura__eyebrow{ width: 46%; height:6px; border-radius:3px; }
.mini-aura__title{ width: 88%; height:11px; border-radius:3px; }
.mini-aura__title2{ width: 65%; height:11px; border-radius:3px; }
.mini-aura__sub{ width: 80%; height:5px; border-radius:2px; margin-top:4px; }
.mini-aura__btn{ width: 58%; height:14px; border-radius:3px; margin-top:8px; }
.mini-aura__photo{ flex:0.9; height: 92%; border-radius: 5px; }

/* --- réplica em miniatura: Brasa Burger --- */
.mini-brasa{ width:100%; height:100%; display:flex; flex-direction:column; justify-content:flex-end; padding: 16px 14px; gap:8px; }
.mini-brasa__title{ width: 92%; height:14px; border-radius:2px; }
.mini-brasa__title2{ width: 70%; height:14px; border-radius:2px; }
.mini-brasa__sub{ width: 60%; height:5px; border-radius:2px; margin-top:4px; }
.mini-brasa__row{ display:flex; gap:8px; margin-top:10px; }
.mini-brasa__btn{ width: 78px; height:16px; border-radius:3px; }
.mini-brasa__btn--outline{ background:transparent !important; border: 1.5px solid rgba(255,255,255,0.5); }

/* --- réplica em miniatura: Nexo Arquitetura --- */
.mini-nexo{ width:100%; height:100%; display:flex; flex-direction:column; justify-content:flex-end; padding: 18px 16px; gap: 8px; }
.mini-nexo__title{ font-family: var(--font-display); font-style: italic; font-weight:500; color:#111; font-size: 1.15rem; line-height:1.15; max-width: 80%; }
.mini-nexo__sub{ width: 55%; height:4px; border-radius:2px; background:#C9C3B8; margin-top:2px; }
.mini-nexo__btn{ width: 40%; height:14px; border: 1.3px solid #111; border-radius:2px; margin-top:10px; }
.portfolio-card__body{ padding: 22px 24px 26px; border-top: 1px solid var(--border); }
.portfolio-card__category{ font-size: 0.72rem; letter-spacing: 0.06em; text-transform:uppercase; color: var(--yellow); }
.portfolio-card__body h3{ margin-top: 8px; font-size: 1.3rem; }
.portfolio-card__body p{ margin-top: 8px; font-size: 0.92rem; }
.portfolio-card__body .btn{ margin-top: 20px; }

/* ---------------- COMO FUNCIONA ---------------- */
.process__grid{ display:grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.process-step{ position:relative; padding-top: 8px; }
.process-step__number{ font-family: var(--font-display); font-size: 2.4rem; font-weight:700; color: rgba(250,204,21,0.9); }
.process-step h3{ font-size: 1.05rem; margin-top: 14px; }
.process-step p{ margin-top: 10px; font-size: 0.9rem; }

/* ---------------- PLANOS ---------------- */
.plans{ background: var(--card-bg); }
.plans__grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items:stretch; }
.plan-card{
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 34px 28px; display:flex; flex-direction:column;
}
.plan-card--highlight{ border-color: var(--yellow); box-shadow: 0 0 0 1px var(--yellow), 0 20px 50px -20px rgba(250,204,21,0.35); transform: scale(1.03); }
.plan-card__badge{
  align-self:flex-start; background: var(--yellow); color:#1A1502; font-size: 0.7rem; font-weight:800;
  letter-spacing: 0.04em; text-transform:uppercase; padding: 4px 10px; border-radius: 999px; margin-bottom: 16px;
}
.plan-card h3{ font-size: 1.3rem; }
.plan-card__price{ font-family: var(--font-display); font-size: 1.8rem; font-weight:700; color: var(--yellow); margin-top: 10px; }
.plan-card ul{ margin-top: 24px; flex:1; }
.plan-card li{ display:flex; align-items:flex-start; gap:10px; padding: 8px 0; font-size: 0.92rem; }
.plan-card li .icon{ width:16px; height:16px; color: var(--yellow); flex-shrink:0; margin-top:3px; }
.plan-card .btn{ margin-top: 28px; }

.plans__note{ text-align:center; margin-top: 34px; font-size: 0.85rem; color: var(--gray); font-style: italic; }

/* ---------------- FAQ ---------------- */
.faq__inner{ max-width: 780px; }
.faq-item{ border-bottom: 1px solid var(--border); }
.faq-item__question{
  width:100%; background:none; border:none; color: var(--white); text-align:left;
  display:flex; align-items:center; justify-content:space-between; gap: 20px;
  padding: 22px 0; font-family: var(--font-body); font-size: 1.02rem; font-weight:600; cursor:pointer;
}
.faq-item__question .icon{ color: var(--yellow); flex-shrink:0; transition: transform .25s ease; }
.faq-item.is-open .faq-item__question .icon{ transform: rotate(180deg); }
.faq-item__answer{ max-height:0; overflow:hidden; transition: max-height .3s ease; }
.faq-item__answer p{ padding-bottom: 22px; font-size: 0.95rem; }

/* ---------------- CTA FINAL ---------------- */
.final-cta{ text-align:center; }
.final-cta__inner{ max-width: 640px; margin:0 auto; }
.final-cta h2{ font-size: clamp(2.1rem, 4.2vw, 3rem); }
.final-cta p{ margin-top: 18px; font-size: 1.08rem; }
.final-cta .btn{ margin-top: 32px; }
.final-cta__note{ display:block; margin-top: 14px; font-size: 0.82rem; color: var(--gray); }

/* ---------------- FOOTER ---------------- */
.footer{ border-top: 1px solid var(--border); padding: 64px 0 0; }
.footer__grid{ display:grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 40px; padding-bottom: 40px; }
.footer__logo{ font-family: var(--font-display); font-size: 1.3rem; font-weight:700; margin-bottom: 12px; }
.footer__brand p:not(.footer__logo){ font-size: 0.92rem; max-width: 34ch; }
.footer__col{ display:flex; flex-direction:column; gap: 10px; }
.footer__col h3{ font-family: var(--font-body); font-size: 0.78rem; letter-spacing:.08em; text-transform:uppercase; color: var(--gray); font-weight:700; margin-bottom: 4px; }
.footer__col a,.footer__col span{ font-size: 0.92rem; color: var(--gray); }
.footer__col a:hover{ color: var(--yellow); }
.footer__bottom{ border-top: 1px solid var(--border); padding: 20px 0; text-align:center; }
.footer__bottom p{ font-size: 0.78rem; }

/* ---------------- WHATSAPP FLOAT ---------------- */
.whatsapp-float{
  position: fixed; right: 24px; bottom: 24px; z-index: 90;
  width: 58px; height:58px; border-radius:50%;
  background: var(--yellow); color:#1A1502;
  display:flex; align-items:center; justify-content:center;
  box-shadow: 0 10px 26px -8px rgba(250,204,21,0.7);
  animation: pulse 2.6s ease-in-out infinite;
}
@keyframes pulse{
  0%,100%{ box-shadow: 0 10px 26px -8px rgba(250,204,21,0.7); }
  50%{ box-shadow: 0 10px 26px -4px rgba(250,204,21,0.95), 0 0 0 9px rgba(250,204,21,0.14); }
}

/* ================================================================
   RESPONSIVO
   ================================================================ */
@media (max-width: 980px){
  .nav{ display:none; }
  .nav-toggle{ display:block; }
  #header-whatsapp span{ display:none; }

  section{ padding: 80px 0; }

  .hero{ padding: 140px 0 70px; }
  .hero__grid{ grid-template-columns: 1fr; }
  .hero__mockups{ height: 340px; }

  .services__grid{ grid-template-columns: 1fr 1fr; }
  .differentials__grid{ grid-template-columns: 1fr 1fr; }
  .portfolio__grid{ grid-template-columns: 1fr; }
  .process__grid{ grid-template-columns: 1fr 1fr; row-gap: 32px; }
  .plans__grid{ grid-template-columns: 1fr; }
  .plan-card--highlight{ transform:none; order:-1; }
  .problem__compare{ grid-template-columns: 1fr; }
  .footer__grid{ grid-template-columns: 1fr 1fr; }
  .footer__brand{ grid-column: span 2; }
}

@media (max-width: 640px){
  .services__grid{ grid-template-columns: 1fr; }
  .differentials__grid{ grid-template-columns: 1fr; }
  .process__grid{ grid-template-columns: 1fr; }
  .footer__grid{ grid-template-columns: 1fr; }
  .footer__brand{ grid-column: span 1; }
  .mockup-mobile{ width: 120px; }
}