/* ============================================================
   MOUA — Folha de estilo
   Estética: editorial-técnica, sóbria, contemporânea
   Paleta extraída da logomarca: grafite + vermelho-acento
   ============================================================ */

:root {
  /* Cores base — extraídas da logomarca */
  --grafite-900: #1a1a1c;
  --grafite-800: #242427;
  --grafite-700: #2e2e32;
  --grafite-500: #3a3a3e;   /* aproximação do "mou" da logo */
  --grafite-300: #6b6b70;
  --grafite-200: #a8a8ad;
  --grafite-100: #d4d4d6;
  --bone:        #f4f1ec;   /* off-white quente, evita o branco genérico */
  --paper:       #ebe7e0;
  --vermelho:    #e63946;   /* aproximação do "a" vermelho da logo */
  --vermelho-dark: #c92a37;

  /* Tipografia */
  --font-display: 'Archivo Black', 'Arial Black', sans-serif;
  --font-serif:   'Fraunces', Georgia, serif;
  --font-body:    'Inter Tight', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, monospace;

  /* Espaçamento */
  --container: 1200px;
  --section-y: clamp(80px, 12vw, 160px);

  /* Outros */
  --line: rgba(26, 26, 28, 0.12);
  --line-strong: rgba(26, 26, 28, 0.6);
}

/* ----------------------- RESET ----------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  color: var(--grafite-900);
  background: var(--bone);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; margin: 0; }

::selection { background: var(--vermelho); color: var(--bone); }

/* Container */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 48px);
}

/* Grid de fundo decorativo, fixo, muito sutil */
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 80px 80px;
  opacity: 0.5;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

/* ----------------------- HEADER ----------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(244, 241, 236, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  padding-bottom: 18px;
}
.logo { height: 32px; width: auto; }
.nav { display: flex; gap: 32px; }
.nav a {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--grafite-500);
  position: relative;
  padding: 4px 0;
  transition: color .25s ease;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 1px;
  background: var(--vermelho);
  transition: width .3s ease;
}
.nav a:hover { color: var(--grafite-900); }
.nav a:hover::after { width: 100%; }

/* Seletor de idiomas */
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  margin-left: 24px;
  padding-left: 24px;
  border-left: 1px solid var(--line);
}
.lang-switch a {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--grafite-300);
  padding: 4px 8px;
  border-radius: 2px;
  transition: color .25s ease, background-color .25s ease;
}
.lang-switch a:hover {
  color: var(--grafite-900);
}
.lang-switch a.lang-active {
  color: var(--bone);
  background: var(--grafite-900);
}
.lang-switch a:not(.lang-active)::after { display: none; }

@media (max-width: 720px) {
  /* Esconde apenas os links de navegação interna no mobile, mas mantém o seletor de idiomas */
  .nav > a { display: none; }
  .lang-switch {
    margin-left: 0;
    padding-left: 0;
    border-left: none;
  }
}

/* ----------------------- HERO ----------------------- */
.hero {
  position: relative;
  padding: clamp(80px, 14vw, 180px) 0 clamp(40px, 6vw, 80px);
  overflow: hidden;
}
.hero-meta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--grafite-500);
  margin-bottom: 32px;
  animation: fadeUp .8s ease both;
}
.hero-meta .tag.muted { color: var(--grafite-300); }
.hero-meta .dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--vermelho);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(38px, 7vw, 96px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin: 0 0 32px;
  color: var(--grafite-900);
  max-width: 1000px;
  animation: fadeUp 1s .15s ease both;
}
.hero-title em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 300;
  color: var(--vermelho);
}

.hero-sub {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(18px, 2.2vw, 24px);
  line-height: 1.45;
  max-width: 620px;
  color: var(--grafite-700);
  margin: 0 0 48px;
  animation: fadeUp 1s .3s ease both;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  animation: fadeUp 1s .45s ease both;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 16px 28px;
  border-radius: 2px;
  transition: all .25s ease;
  cursor: pointer;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--grafite-900);
  color: var(--bone);
}
.btn-primary:hover {
  background: var(--vermelho);
  transform: translateY(-2px);
}
.btn-ghost {
  background: transparent;
  color: var(--grafite-900);
  border-color: var(--grafite-900);
}
.btn-ghost:hover {
  background: var(--grafite-900);
  color: var(--bone);
}

/* Marca d'água tipográfica gigante no hero */
/* Marca d'água tipográfica grande, abaixo do conteúdo do hero, centralizada */
.hero-watermark {
  display: block;
  text-align: center;
  font-family: var(--font-display);
  font-size: clamp(140px, 22vw, 320px);
  line-height: 0.85;
  letter-spacing: -0.04em;
  color: var(--grafite-900);
  opacity: 0.05;
  pointer-events: none;
  user-select: none;
  margin-top: clamp(20px, 3vw, 48px);
  margin-bottom: -0.15em; /* corta o respiro inferior natural da fonte */
  overflow: hidden;
  /* Garante que a palavra inteira caiba mesmo em telas estreitas, sem cortar o "a" */
  width: 100%;
  white-space: nowrap;
}

/* Em telas estreitas (mobile/tablet), reduz o tamanho da marca d'água
   para garantir que toda a palavra "moua" caiba sem ser cortada nas laterais */
@media (max-width: 720px) {
  .hero-watermark {
    font-size: 18vw;
    letter-spacing: -0.03em;
  }
}

/* ----------------------- SEÇÕES ----------------------- */
.section {
  padding: var(--section-y) 0;
  position: relative;
  border-top: 1px solid var(--line);
}

/* Layout em duas colunas: rótulo | conteúdo */
.grid-2 {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: clamp(40px, 6vw, 100px);
  align-items: start;
}
@media (max-width: 880px) {
  .grid-2 {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

.section-label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: sticky;
  top: 100px;
}
.section-label .num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--vermelho);
  letter-spacing: 0.08em;
}
.section-label .label {
  font-family: var(--font-mono);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--grafite-500);
}
@media (max-width: 880px) {
  .section-label { position: static; flex-direction: row; align-items: center; gap: 16px; }
  .section-label::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--line);
  }
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4.5vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 40px;
  max-width: 900px;
  color: var(--grafite-900);
}
.section-title em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 300;
  color: var(--vermelho);
}

.prose p {
  font-size: clamp(16px, 1.4vw, 18px);
  line-height: 1.7;
  color: var(--grafite-700);
  margin: 0 0 20px;
  max-width: 720px;
}

/* ----------------------- STATS ----------------------- */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 64px;
  padding-top: 48px;
  border-top: 1px solid var(--line);
}
@media (max-width: 720px) {
  .stats { grid-template-columns: 1fr; gap: 24px; }
}
.stat-num {
  font-family: var(--font-display);
  font-size: clamp(40px, 5vw, 64px);
  line-height: 1;
  color: var(--grafite-900);
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.stat-num span {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--vermelho);
  font-weight: normal;
}
.stat-label {
  font-size: 14px;
  color: var(--grafite-500);
  margin-top: 8px;
}

/* ----------------------- FRENTES (lista de serviços) ----------------------- */
.frentes-title {
  font-family: var(--font-mono);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--grafite-500);
  margin: 56px 0 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.frentes li {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 24px;
  align-items: baseline;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  font-size: clamp(17px, 1.6vw, 22px);
  font-weight: 400;
  color: var(--grafite-900);
  transition: padding-left .3s ease, color .3s ease;
}
.frentes li:hover {
  padding-left: 12px;
  color: var(--vermelho);
}
.frentes-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--grafite-300);
  letter-spacing: 0.05em;
}
.frentes li.highlight {
  background: linear-gradient(90deg, rgba(230, 57, 70, 0.04), transparent 60%);
}
.frentes li.highlight .frentes-num {
  color: var(--vermelho);
}

/* ----------------------- CTA / CONTATO ----------------------- */
.section-cta {
  background: var(--grafite-900);
  color: var(--bone);
  border-top: none;
  position: relative;
  overflow: hidden;
}
.section-cta::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--vermelho);
}
.cta-inner {
  text-align: center;
  padding: clamp(20px, 4vw, 40px) 0;
}
.cta-title {
  font-family: var(--font-display);
  font-size: clamp(40px, 8vw, 110px);
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin: 0 0 24px;
  color: var(--bone);
}
.cta-title em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 300;
  color: var(--vermelho);
}
.cta-sub {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(18px, 2vw, 22px);
  color: var(--grafite-200);
  margin: 0 0 40px;
}
.cta-mail {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(18px, 2.4vw, 28px);
  color: var(--bone);
  padding: 16px 0;
  border-bottom: 2px solid var(--vermelho);
  transition: color .25s ease, transform .25s ease;
}
.cta-mail:hover {
  color: var(--vermelho);
  transform: translateY(-2px);
}

/* ----------------------- FOOTER ----------------------- */
.site-footer {
  background: var(--grafite-900);
  color: var(--grafite-200);
  padding: 64px 0 32px;
  border-top: 1px solid var(--grafite-700);
}
.footer-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
@media (max-width: 720px) {
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
}
.footer-logo {
  height: 28px;
  margin-bottom: 16px;
  /* Logo mantém suas cores originais (cinza + vermelho da marca) */
}
/* Pequena "moldura" clara para garantir legibilidade da logo no footer escuro */
.footer-brand .logo-card {
  display: inline-block;
  background: var(--bone);
  padding: 14px 18px;
  border-radius: 2px;
  margin-bottom: 20px;
}
.footer-brand .logo-card img {
  height: 26px;
  display: block;
  margin: 0;
}
.footer-tag {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 15px;
  color: var(--grafite-300);
  margin: 0;
  max-width: 320px;
}
.footer-meta {
  text-align: right;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.9;
}
.footer-meta strong {
  color: var(--grafite-100);
  font-weight: 500;
  margin-right: 8px;
}
.footer-meta a {
  color: var(--bone);
  border-bottom: 1px solid transparent;
  transition: border-color .25s ease;
}
.footer-meta a:hover {
  border-bottom-color: var(--vermelho);
}
@media (max-width: 720px) {
  .footer-meta { text-align: left; }
}

.footer-bottom {
  grid-column: 1 / -1;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--grafite-700);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--grafite-300);
  text-transform: uppercase;
}
.footer-bottom p { margin: 0; }

/* ----------------------- ANIMAÇÕES ----------------------- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Reveal on scroll usando Intersection Observer-friendly initial state */
.section-title,
.prose p,
.frentes li,
.stats {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .8s ease, transform .8s ease;
}
.section-title.in-view,
.prose p.in-view,
.frentes li.in-view,
.stats.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* Fallback: caso JS esteja desabilitado, mostra tudo */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .section-title, .prose p, .frentes li, .stats {
    opacity: 1; transform: none;
  }
}