/* ==========================================================================
   JC Construções — style.css
   Estilo: Suíço Construtivo (grid editorial, fios de 1px, cantos retos)
   Mobile-first | Sem frameworks | Cores: #FFFFFF / #141414 / #D64B1E
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
  --c-white: #ffffff;
  --c-ink: #141414;
  --c-accent: #d64b1e;
  --c-ink-soft: #4a4a4a;
  --c-line: #141414;
  --c-line-soft: #e2dfda;
  --c-wa: #1fa855;
  --c-wa-dark: #178a45;
  --c-bg-soft: #f6f4f0;

  --font-sans: "Helvetica Neue", Helvetica, Arial, "Segoe UI", sans-serif;

  --container: 1240px;
  --gutter: clamp(20px, 4vw, 40px);

  --pad-section: clamp(64px, 9vw, 120px);

  --track-label: 0.14em;
}

/* ---------- Reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--c-ink);
  background: var(--c-white);
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }

a { color: inherit; }

ul, ol { list-style: none; }

button { font: inherit; cursor: pointer; }

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--c-ink);
  color: var(--c-white);
  padding: 12px 20px;
  z-index: 200;
}
.skip-link:focus { left: 0; }

/* ---------- Layout básico ---------- */
.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--pad-section); }
.section--bordered { border-top: 1px solid var(--c-line); }
.section--soft { background: var(--c-bg-soft); }

/* ---------- Tipografia ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  margin-bottom: 24px;
}
.eyebrow::before {
  content: "";
  width: 10px;
  height: 10px;
  background: var(--c-accent);
  flex: none;
}

.h-display {
  font-size: clamp(2.75rem, 9vw, 6.25rem);
  line-height: 0.95;
  letter-spacing: -0.02em;
  font-weight: 700;
  text-wrap: balance;
}

.h-section {
  font-size: clamp(1.875rem, 4.5vw, 3.25rem);
  line-height: 1.02;
  letter-spacing: -0.015em;
  font-weight: 700;
}

.h-card { font-size: 1.25rem; font-weight: 700; line-height: 1.2; }

.lead {
  font-size: clamp(1.0625rem, 1.8vw, 1.25rem);
  color: var(--c-ink-soft);
  max-width: 62ch;
}

p + p { margin-top: 1em; }

.numeral {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 300;
  line-height: 1;
  color: var(--c-accent);
  font-variant-numeric: tabular-nums;
}

/* ---------- Botões ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 13px 28px;
  font-weight: 700;
  font-size: 0.9375rem;
  text-decoration: none;
  border: 1px solid var(--c-ink);
  background: transparent;
  color: var(--c-ink);
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.btn:hover { background: var(--c-ink); color: var(--c-white); }

.btn--primary {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: var(--c-white);
}
.btn--primary:hover { background: var(--c-ink); border-color: var(--c-ink); }

.btn--wa {
  background: var(--c-wa);
  border-color: var(--c-wa);
  color: var(--c-white);
}
.btn--wa:hover { background: var(--c-wa-dark); border-color: var(--c-wa-dark); color: var(--c-white); }

.btn--light {
  border-color: var(--c-white);
  color: var(--c-white);
}
.btn--light:hover { background: var(--c-white); color: var(--c-ink); }

.btn__icon { width: 20px; height: 20px; flex: none; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--c-ink);
}
.link-arrow svg { width: 16px; height: 16px; transition: transform 0.2s ease; }
.link-arrow:hover svg { transform: translateX(4px); }
.link-arrow:hover { color: var(--c-accent); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--c-white);
  border-bottom: 1px solid var(--c-line);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 72px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 700;
}
.logo__mark {
  width: 34px;
  height: 34px;
  background: var(--c-accent);
  color: var(--c-white);
  display: grid;
  place-items: center;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  flex: none;
}
.logo__text { font-size: 1.0625rem; letter-spacing: -0.01em; }
.logo__text small {
  display: block;
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--c-ink-soft);
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: none;
  border: 1px solid var(--c-line);
  padding: 10px 14px;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
}
.nav-toggle svg { width: 20px; height: 20px; }
.nav-toggle .icon-close { display: none; }
.nav-toggle[aria-expanded="true"] .icon-menu { display: none; }
.nav-toggle[aria-expanded="true"] .icon-close { display: block; }

.site-nav {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--c-white);
  border-bottom: 1px solid var(--c-line);
  display: none;
}
.site-nav.is-open { display: block; }
.site-nav__list { padding: 8px var(--gutter) 20px; }
.site-nav__list a {
  display: block;
  padding: 14px 0;
  text-decoration: none;
  font-weight: 700;
  font-size: 1rem;
  border-bottom: 1px solid var(--c-line-soft);
}
.site-nav__list a:hover { color: var(--c-accent); }
.site-nav__list a[aria-current="page"] { color: var(--c-accent); }
.site-nav__list .nav-cta a {
  border-bottom: none;
  margin-top: 12px;
}

/* ---------- Hero ---------- */
.hero { padding-block: clamp(48px, 8vw, 96px); }

.hero__grid { display: grid; gap: 40px; }

.hero__cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.hero__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 36px;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
}
.hero__meta svg { width: 18px; height: 18px; color: var(--c-accent); flex: none; }

.hero__media { position: relative; }
.hero__media img { width: 100%; }
.hero__media figcaption {
  position: absolute;
  bottom: 0;
  left: 0;
  background: var(--c-ink);
  color: var(--c-white);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  padding: 10px 16px;
}

.hero__media-stack {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
  margin-top: 1px;
}
.hero__media-stack img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 1 / 1; }

/* ---------- Faixa de informação (indexação / intro) ---------- */
.info-band {
  display: grid;
  gap: 32px;
}
.info-band__text { max-width: 68ch; }

/* ---------- Grid de cards com fios (Swiss) ---------- */
.card-grid {
  display: grid;
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
}

.card {
  background: var(--c-white);
  padding: clamp(24px, 3.5vw, 40px);
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: background-color 0.2s ease;
}
.card:hover { background: var(--c-bg-soft); }

.card .numeral { order: -1; }
.card p { color: var(--c-ink-soft); font-size: 0.9375rem; }
.card .link-arrow { margin-top: auto; padding-top: 8px; }

.card__icon {
  width: 28px;
  height: 28px;
  color: var(--c-accent);
  order: -2;
}

.section-head {
  display: grid;
  gap: 20px;
  margin-bottom: clamp(36px, 5vw, 64px);
}
.section-head p { max-width: 62ch; color: var(--c-ink-soft); }

/* ---------- Diferenciais ---------- */
.checklist {
  display: grid;
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
}
.checklist li {
  background: var(--c-white);
  padding: 22px clamp(20px, 3vw, 32px);
  display: flex;
  align-items: center;
  gap: 14px;
  font-weight: 700;
  font-size: 0.9375rem;
}
.checklist svg {
  width: 20px;
  height: 20px;
  color: var(--c-accent);
  flex: none;
}

/* ---------- Processo (passos numerados) ---------- */
.process { display: grid; gap: 1px; background: var(--c-line); border: 1px solid var(--c-line); }
.process__step {
  background: var(--c-white);
  padding: clamp(24px, 3vw, 36px);
  display: grid;
  gap: 10px;
}
.process__step p { color: var(--c-ink-soft); font-size: 0.9375rem; }

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--c-accent);
  color: var(--c-white);
  padding-block: clamp(56px, 8vw, 104px);
}
.cta-band .eyebrow { color: var(--c-white); }
.cta-band .eyebrow::before { background: var(--c-white); }
.cta-band .h-section { max-width: 24ch; }
.cta-band p { margin-top: 20px; max-width: 56ch; }
.cta-band__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

/* ---------- Orçamento / Formulário ---------- */
.budget { display: grid; gap: 48px; }
.budget__info .checklist { margin-top: 32px; }

.form { display: grid; gap: 20px; }
.form__row { display: grid; gap: 20px; }
.form__field { display: grid; gap: 8px; }
.form__field label {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
}
.form__field input,
.form__field select,
.form__field textarea {
  font: inherit;
  color: var(--c-ink);
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: 0;
  padding: 14px 16px;
  width: 100%;
}
.form__field textarea { resize: vertical; min-height: 120px; }
.form__field input:focus,
.form__field select:focus,
.form__field textarea:focus {
  outline: 2px solid var(--c-accent);
  outline-offset: 0;
  border-color: var(--c-accent);
}
.form__field .error-msg {
  display: none;
  color: var(--c-accent);
  font-size: 0.8125rem;
  font-weight: 700;
}
.form__field.has-error input,
.form__field.has-error select,
.form__field.has-error textarea { border-color: var(--c-accent); }
.form__field.has-error .error-msg { display: block; }
.form__note { font-size: 0.8125rem; color: var(--c-ink-soft); }

/* ---------- Portfólio ---------- */
.portfolio-grid {
  display: grid;
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
}

.project-card {
  background: var(--c-white);
  display: flex;
  flex-direction: column;
}
.project-card__media { border-bottom: 1px solid var(--c-line); }
.project-card__media img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}
.project-card__body {
  padding: clamp(20px, 2.5vw, 28px);
  display: grid;
  gap: 10px;
  flex: 1;
  align-content: start;
}
.project-card__category {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--c-accent);
}
.project-card__body .numeral { font-size: 1.75rem; color: var(--c-line-soft); }
.project-card__body p { color: var(--c-ink-soft); font-size: 0.9375rem; }
.project-card__body .link-arrow { margin-top: auto; padding-top: 8px; }

/* ---------- Artigos do blog ---------- */
main article h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1.12;
  margin: 2.2em 0 0.8em;
}
main article h3 { font-size: 1.125rem; margin: 1.6em 0 0.6em; }
main article ul,
main article ol { margin: 0.6em 0 1.2em; }
main article li + li { margin-top: 0.4em; }
main article strong { color: var(--c-ink); }

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  padding-block: 18px 0;
  font-size: 0.8125rem;
  color: var(--c-ink-soft);
}
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 8px; }
.breadcrumb li:not(:last-child)::after { content: "/"; margin-left: 8px; color: var(--c-line-soft); }
.breadcrumb a { text-decoration: none; }
.breadcrumb a:hover { color: var(--c-accent); }
.breadcrumb [aria-current="page"] { font-weight: 700; color: var(--c-ink); }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--c-line);
  padding-block: clamp(48px, 6vw, 80px) 32px;
}
.site-footer__grid { display: grid; gap: 40px; }
.site-footer__brand p { color: var(--c-ink-soft); margin-top: 16px; max-width: 34ch; }
.site-footer h2 {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  margin-bottom: 18px;
}
.site-footer__links li + li { margin-top: 10px; }
.site-footer__links a { text-decoration: none; }
.site-footer__links a:hover { color: var(--c-accent); }
.site-footer__contact li {
  display: flex;
  align-items: center;
  gap: 10px;
}
.site-footer__contact li + li { margin-top: 12px; }
.site-footer__contact svg { width: 18px; height: 18px; color: var(--c-accent); flex: none; }
.site-footer__contact a { text-decoration: none; font-weight: 700; }
.site-footer__contact a:hover { color: var(--c-accent); }

.site-footer__bottom {
  margin-top: clamp(40px, 6vw, 64px);
  padding-top: 24px;
  border-top: 1px solid var(--c-line-soft);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: var(--c-ink-soft);
}
.site-footer__bottom a { font-weight: 700; color: var(--c-ink); }
.site-footer__bottom a:hover { color: var(--c-accent); }

/* ---------- WhatsApp flutuante ---------- */
.wa-float {
  position: fixed;
  right: clamp(16px, 3vw, 28px);
  bottom: clamp(16px, 3vw, 28px);
  z-index: 150;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--c-wa);
  color: var(--c-white);
  display: grid;
  place-items: center;
  box-shadow: 0 4px 16px rgba(20, 20, 20, 0.25);
  transition: transform 0.2s ease, background-color 0.2s ease;
}
.wa-float:hover { background: var(--c-wa-dark); transform: scale(1.05); }
.wa-float svg { width: 28px; height: 28px; }
.wa-float::after {
  content: attr(data-tooltip);
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  translate: 0 -50%;
  background: var(--c-ink);
  color: var(--c-white);
  font-size: 0.8125rem;
  font-weight: 700;
  padding: 8px 14px;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease;
  pointer-events: none;
}
.wa-float:hover::after,
.wa-float:focus-visible::after { opacity: 1; visibility: visible; }

/* ---------- Voltar ao topo ---------- */
.back-top {
  position: fixed;
  right: clamp(16px, 3vw, 28px);
  bottom: calc(clamp(16px, 3vw, 28px) + 70px);
  z-index: 140;
  width: 44px;
  height: 44px;
  background: var(--c-ink);
  color: var(--c-white);
  border: 1px solid var(--c-ink);
  display: grid;
  place-items: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, background-color 0.2s ease;
}
.back-top.is-visible { opacity: 1; visibility: visible; }
.back-top:hover { background: var(--c-accent); border-color: var(--c-accent); }
.back-top svg { width: 18px; height: 18px; }

/* ---------- Revelação suave ao rolar ---------- */
.reveal {
  opacity: 0;
  translate: 0 18px;
  transition: opacity 0.5s ease, translate 0.5s ease;
}
.reveal.is-visible { opacity: 1; translate: 0 0; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; translate: 0 0; transition: none; }
  .wa-float, .back-top { transition: none; }
  .wa-float:hover { transform: none; }
}

/* ==========================================================================
   Breakpoints — Mobile first
   ========================================================================== */

/* Tablet ≥ 640px */
@media (min-width: 40em) {
  .form__row { grid-template-columns: 1fr 1fr; }
  .checklist { grid-template-columns: repeat(2, 1fr); }
  .info-band { grid-template-columns: 1fr 1fr; align-items: start; }
  .site-footer__grid { grid-template-columns: repeat(2, 1fr); }
}

/* Desktop ≥ 1024px */
@media (min-width: 64em) {
  .nav-toggle { display: none; }

  .site-nav {
    position: static;
    display: block;
    background: none;
    border-bottom: none;
  }
  .site-nav__list {
    display: flex;
    align-items: center;
    gap: clamp(20px, 2.4vw, 36px);
    padding: 0;
  }
  .site-nav__list a {
    padding: 6px 0;
    border-bottom: 2px solid transparent;
    font-size: 0.875rem;
  }
  .site-nav__list a:hover { border-bottom-color: var(--c-accent); }
  .site-nav__list a[aria-current="page"] { border-bottom-color: var(--c-accent); }
  .site-nav__list .nav-cta a {
    background: var(--c-accent);
    border-color: var(--c-accent);
    color: var(--c-white);
    padding: 11px 22px;
    border-bottom-width: 1px;
  }
  .site-nav__list .nav-cta a:hover {
    background: var(--c-ink);
    border-color: var(--c-ink);
    color: var(--c-white);
  }

  .hero__grid { grid-template-columns: 1.15fr 0.85fr; gap: clamp(40px, 5vw, 80px); align-items: end; }
  .hero__media-stack { grid-template-columns: 1fr; }
  .hero__media-stack img { aspect-ratio: 16 / 10; }

  .card-grid { grid-template-columns: repeat(3, 1fr); }
  .checklist { grid-template-columns: repeat(3, 1fr); }
  .process { grid-template-columns: repeat(3, 1fr); }
  .portfolio-grid { grid-template-columns: repeat(3, 1fr); }
  .budget { grid-template-columns: 0.9fr 1.1fr; gap: clamp(48px, 6vw, 96px); }
  .site-footer__grid { grid-template-columns: 1.4fr 1fr 1fr 1.2fr; }
}

/* Desktop amplo ≥ 1280px: portfólio em 4 colunas */
@media (min-width: 80em) {
  .portfolio-grid { grid-template-columns: repeat(4, 1fr); }
}