/* ===== Imperio das pedras marmoraria — Site moderno e totalmente responsivo ===== */
:root {
  --bg: #f5f5f4;
  --bg-card: #ffffff;
  --text: #1c1917;
  --text-muted: #57534e;
  --stone: #292524;
  --stone-dark: #1c1917;
  --silver: #a8a29e;
  --silver-light: #d6d3d1;
  --accent: #57534e;
  --accent-hover: #1c1917;
  --wa: #22c55e;
  --wa-hover: #16a34a;
  --border: #e7e5e4;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-hover: 0 8px 24px rgba(0,0,0,0.1);
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-serif: "Poppins", "Inter", sans-serif;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --duration: 0.25s;
  /* Responsive spacing — usa clamp para fluir em qualquer tela */
  --space-xs: clamp(0.5rem, 2vw, 0.75rem);
  --space-sm: clamp(0.75rem, 3vw, 1rem);
  --space: clamp(1rem, 4vw, 1.5rem);
  --space-lg: clamp(1.5rem, 6vw, 2rem);
  --space-xl: clamp(2rem, 8vw, 3rem);
  --space-2xl: clamp(2.5rem, 10vw, 4rem);
  --container: min(1100px, 100% - var(--space) * 2);
}

*, *::before, *::after { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
/* Skip link — acessibilidade (visível no foco) */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space);
  z-index: 1000;
  padding: var(--space-sm) var(--space);
  background: var(--stone-dark);
  color: #fff;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: top 0.2s var(--ease);
}
.skip-link:focus {
  top: var(--space);
  outline: 2px solid var(--wa);
  outline-offset: 2px;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: clamp(0.9375rem, 2vw, 1rem);
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

h1, h2, h3 { font-family: var(--font-serif); font-weight: 600; color: var(--text); }
h1 { font-size: clamp(1.5rem, 4vw + 0.5rem, 2.5rem); letter-spacing: 0.02em; line-height: 1.2; }
h2 { font-size: clamp(1.25rem, 3vw + 0.5rem, 1.5rem); margin: 0 0 var(--space-sm); letter-spacing: 0.01em; }

a { color: var(--accent); text-decoration: none; transition: color var(--duration) var(--ease); }
a:hover { color: var(--accent-hover); }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--space);
  padding-right: var(--space);
}

/* ===== Header — responsivo, logo escala ===== */
.site-header {
  background: var(--stone-dark);
  padding: 0.5rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 0 rgba(255,255,255,0.06);
  transition: padding var(--duration) var(--ease);
}
/* Header reduzido ao rolar a página */
.site-header.scrolled {
  padding: 0.25rem 0;
}
.site-header.scrolled .site-logo img {
  max-width: 90px;
  width: 90px;
}
.site-header-inner {
  display: flex;
  justify-content: center;
  align-items: center;
  transition: justify-content var(--duration) var(--ease);
}
/* Header ocupa toda a largura para as bandeiras ficarem na borda direita da tela */
.site-header .container.site-header-inner {
  max-width: 100%;
  padding-right: 0.5rem;
  padding-left: var(--space);
}
.site-header.scrolled .site-header-inner {
  justify-content: flex-start;
  padding-left: 0;
  margin-left: 0.85rem;
}
@media (min-width: 480px) {
  .site-header.scrolled .site-header-inner {
    margin-left: 0.75rem;
  }
}
@media (min-width: 768px) {
  .site-header.scrolled .site-header-inner {
    margin-left: 0.5rem;
  }
}
.site-logo {
  display: block;
  line-height: 0;
  padding: 0;
  min-height: 44px;
  min-width: 44px;
  justify-content: center;
  align-items: center;
}
.site-logo img {
  max-width: 140px;
  width: clamp(90px, 28vw, 140px);
  height: auto;
  display: block;
  filter: brightness(1.05) contrast(1.02);
  transition: opacity var(--duration) var(--ease), max-width var(--duration) var(--ease), width var(--duration) var(--ease);
}
.site-logo:hover img { opacity: 0.92; }

/* Nome ao lado da logo (só aparece quando rola) — cor prata como a logo */
.site-header-brand {
  color: #f5f5f4;
  font-family: var(--font-serif);
  font-size: clamp(0.9rem, 2vw, 1rem);
  font-weight: 600;
  margin-left: 0;
  white-space: nowrap;
  text-transform: uppercase;
  opacity: 0;
  max-width: 0;
  overflow: hidden;
  transition: opacity var(--duration) var(--ease), max-width var(--duration) var(--ease), margin-left var(--duration) var(--ease);
}
.site-header.scrolled .site-header-brand {
  opacity: 1;
  max-width: 20em;
  margin-left: 0.75rem;
}

/* Menu principal — estilo Nunes (links horizontais) */
.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
  margin-left: auto;
  margin-right: 0.75rem;
}
.site-nav a {
  color: rgba(255,255,255,0.9);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  padding: 0.35rem 0;
  border-bottom: 2px solid transparent;
  transition: color var(--duration) var(--ease), border-color var(--duration) var(--ease);
}
.site-nav a:hover {
  color: #fff;
  border-bottom-color: rgba(255,255,255,0.4);
}
@media (max-width: 900px) {
  .site-nav { display: none; }
}

/* Seletor de idioma — bandeiras no menu, ao lado do nav */
.lang-switcher {
  display: flex;
  gap: 0.35rem;
  margin-left: 0.5rem;
  padding-right: 0.15rem;
}
@media (max-width: 900px) {
  .lang-switcher { margin-left: auto; }
}
.lang-flag {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  font-size: 1.25rem;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.08);
  color: #fff;
  transition: background var(--duration) var(--ease), transform var(--duration) var(--ease);
}
.lang-flag:hover {
  background: rgba(255,255,255,0.18);
  color: #fff;
}
.lang-flag.active {
  background: rgba(255,255,255,0.2);
  box-shadow: 0 0 0 1px rgba(255,255,255,0.3);
}

/* Divisor */
.line-divider {
  display: flex;
  align-items: center;
  gap: var(--space);
  margin: var(--space) 0;
}
.line-divider::before,
.line-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  max-width: 80px;
  background: linear-gradient(90deg, transparent, var(--silver-light));
}
.line-divider::after { background: linear-gradient(90deg, var(--silver-light), transparent); }

/* ===== Hero — fluido; variante Nunes com títulos em camadas ===== */
.hero {
  background: linear-gradient(180deg, #1c1917 0%, #292524 50%, #1c1917 100%);
  color: #fff;
  padding: var(--space-2xl) var(--space);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  opacity: 0.6;
}
.hero .container { position: relative; z-index: 1; }

/* Hero estilo Nunes — marca + manchete + tagline + CTA */
.hero-nunes {
  padding: clamp(2.5rem, 8vw, 4rem) var(--space);
}
.hero-brand {
  margin: 0 0 0.25rem;
  font-size: clamp(0.9rem, 2vw, 1rem);
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: lowercase;
  color: rgba(255,255,255,0.75);
}
.hero-headline {
  margin: 0 0 var(--space-sm);
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 5vw + 0.5rem, 2.75rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: #fff;
  max-width: 20ch;
  margin-left: auto;
  margin-right: auto;
}
.hero-tagline {
  margin: 0 0 var(--space-lg);
  color: var(--silver-light);
  font-size: clamp(0.95rem, 2vw, 1.05rem);
  max-width: 36ch;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.5;
}
.hero-nunes .hero-buttons {
  margin-top: var(--space);
}

.hero h1,
.hero .hero-title {
  margin: 0 0 var(--space-xs);
  color: rgba(255,255,255,0.98);
  font-size: clamp(1.5rem, 4vw + 0.5rem, 2.25rem);
  letter-spacing: 0.02em;
  line-height: 1.2;
}
.hero .hero-title { text-transform: none; }
.hero h1 { letter-spacing: 0.06em; text-transform: uppercase; }
.hero-sub {
  margin: 0 0 var(--space-lg);
  color: var(--silver-light);
  font-size: clamp(0.9rem, 2vw, 1rem);
  font-weight: 400;
  letter-spacing: 0.02em;
  max-width: 42ch;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.5;
}
.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space);
  justify-content: center;
  align-items: center;
}
.hero .line-divider::before,
.hero .line-divider::after { background: linear-gradient(90deg, transparent, rgba(255,255,255,0.25)); max-width: 60px; }
.hero .line-divider::after { background: linear-gradient(90deg, rgba(255,255,255,0.25), transparent); }

/* Botão CTA com leve pulse (inspiração Nunes) */
.btn-pulse {
  animation: btn-pulse 2s ease-in-out infinite;
}
@keyframes btn-pulse {
  0%, 100% { box-shadow: 0 2px 12px rgba(34, 197, 94, 0.35); }
  50% { box-shadow: 0 4px 24px rgba(34, 197, 94, 0.5); }
}

.page-nav {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--silver);
  font-size: clamp(0.85rem, 2vw, 0.9rem);
  margin-bottom: var(--space);
  padding: var(--space-xs) 0;
  min-height: 44px;
  justify-content: center;
  transition: color var(--duration) var(--ease);
}
.page-nav:hover { color: #fff; }
.page-nav svg { width: 1em; height: 1em; flex-shrink: 0; }

/* Botão CTA — área de toque mínima 44px */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--wa);
  color: #fff !important;
  padding: clamp(0.75rem, 2.5vw, 1rem) clamp(1.25rem, 4vw, 1.5rem);
  min-height: 48px;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-weight: 600;
  font-size: clamp(0.9rem, 2vw, 0.95rem);
  border: none;
  cursor: pointer;
  transition: background var(--duration) var(--ease), transform var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
  text-decoration: none;
}
.btn:hover {
  background: var(--wa-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(34, 197, 94, 0.35);
  color: #fff !important;
}
.btn:active { transform: translateY(0); }
.btn svg { width: 1.25em; height: 1.25em; flex-shrink: 0; }

/* ===== Seções — espaçamento fluido ===== */
.section {
  padding: var(--space-2xl) 0;
}
.section-alt {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
}
.section-title {
  text-align: center;
  margin-bottom: var(--space-lg);
  padding: 0 var(--space-xs);
}
.section-title h2 { margin: 0 0 0.25rem; }
.section-title p { margin: 0; color: var(--text-muted); font-size: clamp(0.875rem, 2vw, 0.95rem); }

/* Seção Sobre — estilo Nunes (título + subtítulo + texto) */
.section-sobre {
  background: var(--bg);
  padding: var(--space-2xl) 0;
}
.section-title-sobre {
  max-width: 42rem;
  margin-left: auto;
  margin-right: auto;
}
.section-title-sobre h2 {
  font-size: clamp(1.35rem, 3vw + 0.5rem, 1.75rem);
  text-transform: none;
  letter-spacing: 0.01em;
}
.section-sub-destaque {
  font-weight: 600 !important;
  color: var(--stone) !important;
  margin-bottom: var(--space) !important;
}
.sobre-texto {
  margin: 0 !important;
  font-size: clamp(0.95rem, 2vw, 1rem);
  line-height: 1.7;
  color: var(--text-muted);
}

/* Grid de cards — 1 col mobile → 2 → 3+ */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space);
}
@media (min-width: 480px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 768px) {
  .card-grid { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: var(--space-lg); }
}

.card-link {
  display: block;
  background: var(--bg-card);
  padding: var(--space-lg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: border-color var(--duration) var(--ease), box-shadow var(--duration) var(--ease), transform var(--duration) var(--ease);
  color: var(--text);
}
.card-link:hover {
  border-color: var(--silver);
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
  color: var(--text);
}
.card-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.card-link strong {
  display: block;
  font-family: var(--font-serif);
  font-size: clamp(1rem, 2vw, 1.1rem);
  font-weight: 600;
  margin-bottom: 0.2rem;
  color: var(--stone);
}
.card-link span { font-size: clamp(0.85rem, 1.5vw, 0.9rem); color: var(--text-muted); }

/* Página interna */
.page-content {
  max-width: 42rem;
  margin: 0 auto;
  font-size: clamp(1rem, 2vw, 1.05rem);
  color: var(--text-muted);
  line-height: 1.75;
  padding: 0 var(--space-xs);
}
.page-content p { margin: 0; }

/* ===== Footer — responsivo, quebra de linha em telas pequenas ===== */
.footer {
  background: var(--stone-dark);
  color: var(--silver);
  padding: var(--space-xl) var(--space);
  margin-top: var(--space-2xl);
  font-size: clamp(0.8rem, 2vw, 0.9rem);
  line-height: 1.6;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-xl);
  max-width: var(--container);
  margin: 0 auto var(--space-lg);
  text-align: left;
}
@media (max-width: 768px) {
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .footer-inner { grid-template-columns: 1fr; text-align: center; }
}
.footer-section { margin: 0; }
.footer-label {
  display: block;
  color: #fff;
  font-size: 0.95em;
  margin-bottom: 0.5rem;
}
.footer-brand-title {
  font-size: 1.05rem;
  letter-spacing: 0.02em;
}
.footer-razao {
  margin: 0 0 0.5rem;
  font-size: 0.88rem;
  opacity: 0.92;
}
.footer-address {
  margin: 0;
  opacity: 0.9;
}
.footer-map-link {
  display: inline-block;
  margin-top: 0.5rem;
  color: var(--wa) !important;
  font-weight: 500;
  text-decoration: none;
  transition: color var(--duration) var(--ease);
}
.footer-map-link:hover {
  color: var(--wa-hover) !important;
  text-decoration: underline;
}
.footer-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-list li { margin-bottom: 0.35rem; }
.footer-list li:last-child { margin-bottom: 0; }
.footer a { color: var(--silver-light); }
.footer a:hover { color: #fff; }
.footer-icon { display: inline-flex; align-items: center; gap: 0.35rem; }
.footer-icon svg { flex-shrink: 0; }
.footer-bottom {
  text-align: center;
  padding-top: var(--space);
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.footer-copy { opacity: 0.9; font-size: 0.9em; }
.footer-dev { font-size: 0.85em; opacity: 0.85; }
.footer-dev-link {
  color: var(--silver-light);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
  transition: color var(--duration) var(--ease), border-color var(--duration) var(--ease);
}
.footer-dev-link:hover {
  color: #fff;
  border-bottom-color: rgba(255, 255, 255, 0.45);
}

/* Botão WhatsApp flutuante — safe area para iPhone/Android com notch ===== */
.wafix {
  position: fixed;
  bottom: max(1rem, env(safe-area-inset-bottom));
  right: max(1rem, env(safe-area-inset-right));
  width: 56px;
  height: 56px;
  min-width: 48px;
  min-height: 48px;
  border-radius: 50%;
  background: var(--wa);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(34, 197, 94, 0.45);
  transition: background var(--duration) var(--ease), transform var(--duration) var(--ease);
  z-index: 1000;
  text-decoration: none;
}
.wafix:hover {
  background: var(--wa-hover);
  transform: scale(1.08);
  color: #fff;
}
.wafix:active { transform: scale(0.98); }
.wafix svg { width: 28px; height: 28px; }

/* ===== Breakpoints adicionais ===== */
@media (max-width: 380px) {
  .container { padding-left: var(--space-sm); padding-right: var(--space-sm); }
  .hero { padding-left: var(--space-sm); padding-right: var(--space-sm); }
}

@media (min-width: 1024px) {
  .section { padding: clamp(3rem, 6vw, 4.5rem) 0; }
}

/* Acessibilidade: foco visível */
a:focus-visible,
.btn:focus-visible,
.wafix:focus-visible,
.site-logo:focus-visible {
  outline: 2px solid var(--wa);
  outline-offset: 2px;
}