/* ==========================================================================
   Design System v0.2 — Miltão Gás (Cabeçalho e Hero)
   Tema: Página e Cabeçalho Claros com Banner Laranja Arredondado
   Base: HTML/CSS nativo, mobile-first, acessível e resiliente
   ========================================================================== */

:root {
  /* Paleta Base e Superfícies */
  --surface-page: #f7f8fa;
  --surface-header: #ffffff;
  --surface-dark: #191c20;
  --surface-dark-card: #22262d;
  --surface-dark-hover: #2c313a;
  
  /* Cores da Marca */
  --brand-orange: #ff6b00;
  --brand-orange-dark: #b83e08;
  --banner-bg-dark: #180500;
  --banner-bg-mid: #782300;
  --banner-bg-light: #c03d00;
  
  /* Textos */
  --text-primary-dark: #191c20;
  --text-secondary-dark: #535a63;
  --text-primary-light: #ffffff;
  --text-lead-banner: #fcece4;
  --text-highlight-gold: #ffba52;
  
  /* CTA Grafite Oficial */
  --cta-graphite-bg: #191c20;
  --cta-graphite-hover: #2c313a;
  --cta-graphite-pressed: #101215;
  --cta-graphite-text: #ffffff;
  
  /* Bordas e Controles */
  --border-light: #e5e7eb;
  --border-banner-control: rgba(255, 255, 255, 0.22);
  --focus-ring-light: #191c20;
  --focus-ring-banner: #ffffff;

  /* Tipografia do Sistema (Provisória antes da Manrope local) */
  --font-family-base: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  
  /* Espaçamento */
  --space-2xs: 4px;
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;

  /* Raios de Borda */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 26px;
  --radius-full: 9999px;

  /* Transições de Interface */
  --motion-fast: 150ms;
  --motion-base: 250ms;
  --motion-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  font-size: 100%;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  background-color: var(--surface-page);
  color: var(--text-primary-dark);
  font-family: var(--font-family-base);
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

/* Foco Acessível Padrão */
:focus-visible {
  outline: 3px solid var(--focus-ring-light);
  outline-offset: 3px;
}

/* --------------------------------------------------------------------------
   Cabeçalho Claro (Site Header)
   -------------------------------------------------------------------------- */
.site-header {
  position: relative;
  z-index: 50;
  width: 100%;
  background-color: var(--surface-header);
  border-bottom: 1px solid var(--border-light);
}

.site-header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin-inline: auto;
  padding: 10px 16px;
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  border-radius: 50%;
  transition: opacity var(--motion-fast) var(--motion-ease);
}

.site-header__brand:hover {
  opacity: 0.9;
}

/* Logo Miltão: proporção real 1254x1254, apresentação ampliada */
.site-header__logo {
  width: 56px;
  height: 56px;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  border-radius: 50%;
  display: block;
}

.site-header__nav {
  display: flex;
  align-items: center;
}

.site-header__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 18px;
  min-height: 40px;
  background-color: var(--cta-graphite-bg);
  border: 1px solid transparent;
  border-radius: var(--radius-full);
  color: var(--cta-graphite-text);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  transition: background-color var(--motion-fast) var(--motion-ease),
              transform var(--motion-fast) var(--motion-ease);
}

.site-header__cta:hover {
  background-color: var(--cta-graphite-hover);
  transform: translateY(-1px);
}

/* --------------------------------------------------------------------------
   Seção Hero e Banner Laranja com Cantos Arredondados
   -------------------------------------------------------------------------- */
.hero-section {
  padding-top: var(--space-md);
  padding-bottom: var(--space-xl);
}

.hero-container {
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 16px;
}

/* Contêiner do Banner Laranja */
.hero-banner {
  position: relative;
  background: linear-gradient(135deg, var(--banner-bg-dark) 0%, var(--banner-bg-mid) 40%, var(--banner-bg-light) 100%);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  display: flex;
  flex-direction: column;
}

/* --------------------------------------------------------------------------
   Mobile-First: Fluxo Normal de Conteúdo Acima dos Personagens
   -------------------------------------------------------------------------- */
.hero-banner__content {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 24px 20px 8px 20px;
}

.hero-banner__title {
  color: var(--text-primary-light);
  font-size: clamp(1.875rem, 5vw + 0.5rem, 3.25rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.025em;
  text-wrap: balance;
  margin-bottom: var(--space-md);
}

/* Destaque do P13 com contraste sobre fundo laranja escuro */
.hero-banner__title .highlight {
  color: var(--text-highlight-gold);
}

.hero-banner__lead {
  color: var(--text-lead-banner);
  font-size: clamp(1rem, 1.8vw + 0.5rem, 1.1875rem);
  font-weight: 400;
  line-height: 1.5;
  max-width: 50ch;
  text-wrap: pretty;
  margin-bottom: var(--space-lg);
}

/* Ações (CTA WhatsApp + Unidades) */
.hero-banner__actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-lg);
  width: 100%;
}

/* Botão Principal de Conversão — Grafite Oficial com Ícone/Texto Brancos */
.btn-whatsapp-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  min-height: 56px;
  padding: 14px 28px;
  background-color: var(--cta-graphite-bg);
  color: var(--cta-graphite-text);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-md);
  font-size: 1.125rem;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
  transition: background-color var(--motion-fast) var(--motion-ease),
              transform var(--motion-fast) var(--motion-ease),
              box-shadow var(--motion-fast) var(--motion-ease);
  cursor: pointer;
}

.btn-whatsapp-cta:hover {
  background-color: var(--cta-graphite-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
}

.btn-whatsapp-cta:active {
  background-color: var(--cta-graphite-pressed);
  transform: translateY(1px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.btn-whatsapp-cta:focus-visible {
  outline: 3px solid var(--focus-ring-banner);
  outline-offset: 3px;
}

.btn-whatsapp-cta__icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
}

/* --------------------------------------------------------------------------
   Acesso às Unidades (HTML Nativo: Details / Summary)
   Sem overflow: hidden no contêiner para preservar o indicador de foco
   -------------------------------------------------------------------------- */
.units-disclosure {
  width: 100%;
  background-color: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  transition: border-color var(--motion-base) var(--motion-ease),
              background-color var(--motion-base) var(--motion-ease);
}

.units-disclosure[open] {
  background-color: transparent;
  border-color: transparent;
}

.units-disclosure__summary {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 12px;
  min-height: 48px;
  padding: 10px 4px;
  color: var(--text-primary-light);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  user-select: none;
  list-style: none;
  border-radius: calc(var(--radius-md) - 1px);
  transition: color var(--motion-fast) var(--motion-ease);
}

.units-disclosure[open] .units-disclosure__summary {
  border-radius: calc(var(--radius-md) - 1px) calc(var(--radius-md) - 1px) 0 0;
}

.units-disclosure__summary-text {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.units-disclosure__summary::-webkit-details-marker {
  display: none;
}

.units-disclosure__summary:focus-visible {
  outline: 3px solid var(--focus-ring-banner);
  outline-offset: 2px;
}

.units-disclosure__chevron {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-highlight-gold);
  transition: transform var(--motion-base) var(--motion-ease);
}

.units-disclosure[open] .units-disclosure__chevron {
  transform: rotate(180deg);
}

.units-disclosure__panel {
  padding: 6px 14px 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 0 0 calc(var(--radius-md) - 1px) calc(var(--radius-md) - 1px);
}

.units-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  list-style: none;
}

.units-list__item {
  margin: 0;
}

.unit-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  color: var(--text-primary-light);
  text-decoration: none;
  transition: background-color var(--motion-fast) var(--motion-ease),
              border-color var(--motion-fast) var(--motion-ease),
              transform var(--motion-fast) var(--motion-ease);
}

.unit-card:hover {
  background-color: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateX(2px);
}

.unit-card:focus-visible {
  outline: 3px solid var(--focus-ring-banner);
  outline-offset: 2px;
}

.unit-card__info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.unit-card__title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-primary-light);
}

.unit-card__link-text {
  font-size: 0.75rem;
  color: var(--text-lead-banner);
}

.unit-card__icon {
  color: var(--text-highlight-gold);
  font-size: 1.125rem;
  font-weight: bold;
  transition: transform var(--motion-fast) var(--motion-ease);
}

.unit-card:hover .unit-card__icon {
  transform: translateX(3px);
}

/* --------------------------------------------------------------------------
   Bloco Visual: Mobile (< 600px)
   A imagem do derivado recortado é posicionada abaixo das ações
   sem somar espaço vazio superior
   -------------------------------------------------------------------------- */
.hero-banner__visual {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  margin-top: var(--space-sm);
}

.hero-banner__img {
  width: 100%;
  max-width: 320px;
  height: auto;
  aspect-ratio: 1024 / 1076;
  object-fit: contain;
  display: block;
}

/* --------------------------------------------------------------------------
   Tablet (600px - 899px): Layout compacto sem esticar a primeira seção
   Evita que a imagem vertical torne a seção desnecessariamente longa
   -------------------------------------------------------------------------- */
@media (min-width: 600px) and (max-width: 899px) {
  .hero-banner__content {
    padding: 32px 32px 12px 32px;
    max-width: 620px;
    margin-inline: auto;
  }

  .btn-whatsapp-cta {
    width: auto;
    min-width: 290px;
  }

  .units-disclosure {
    width: 100%;
    max-width: 380px;
  }

  .hero-banner__visual {
    margin-top: 0;
  }

  /* Altura controlada no tablet para manter a dobra compacta */
  .hero-banner__img {
    max-width: 320px;
    max-height: 350px;
    object-fit: contain;
  }
}

/* --------------------------------------------------------------------------
   Desktop (>= 900px): Composição Bipartida Segura
   Texto restrito a 44% à esquerda; Miltão + Botijão à direita
   Garante 0% de sobreposição entre texto e personagens
   -------------------------------------------------------------------------- */
@media (min-width: 900px) {
  .hero-banner__title {
    font-size: 2.875rem;
    max-inline-size: 20ch;
  }

  .site-header__container {
    padding: 10px 32px;
  }

  .site-header__logo {
    width: 72px;
    height: 72px;
  }

  .hero-section {
    padding-top: var(--space-md);
    padding-bottom: var(--space-xl);
  }

  .hero-container {
    padding-inline: 32px;
  }

  .hero-banner {
    border-radius: var(--radius-xl);
    flex-direction: row;
    align-items: center;
    min-height: 480px;
  }

  /* Conteúdo ocupa com segurança a faixa esquerda (<= 45%) */
  .hero-banner__content {
    flex: 0 0 auto;
    width: 100%;
    max-width: min(540px, 52%);
    padding: 40px 36px;
    z-index: 10;
  }

  .btn-whatsapp-cta {
    width: auto;
    min-width: 280px;
  }

  .units-disclosure {
    width: 100%;
    max-width: 380px;
  }

  /* Visual cobre o banner com alinhamento à direita */
  .hero-banner__visual {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    margin-top: 0;
    z-index: 1;
    pointer-events: none;
  }

  .hero-banner__visual picture {
    width: 100%;
    height: 100%;
    display: block;
  }

  .hero-banner__img {
    width: 100%;
    height: 100%;
    max-width: none;
    aspect-ratio: 1774 / 887;
    object-fit: cover;
    object-position: right top;
    display: block;
  }
}

/* --------------------------------------------------------------------------
   Telas Ultrawide (1440px+)
   -------------------------------------------------------------------------- */
@media (min-width: 1440px) {
  .hero-banner__title { font-size: 3rem; }
  .hero-banner {
    min-height: 520px;
  }

  .hero-banner__content {
    padding: 48px 44px;
    max-width: 560px;
  }
}

/* --------------------------------------------------------------------------
   Ajustes Específicos para Telas Estreitas (320px)
   -------------------------------------------------------------------------- */
@media (max-width: 340px) {
  .site-header__container {
    padding-inline: 12px;
  }

  .site-header__logo {
    width: 56px;
    height: 56px;
  }

  .hero-container {
    padding-inline: 10px;
  }

  .hero-banner {
    border-radius: var(--radius-md);
  }

  .hero-banner__content {
    padding: 20px 14px 4px 14px;
  }

  .hero-banner__title {
    font-size: 1.625rem;
  }

  .btn-whatsapp-cta {
    padding-inline: 16px;
    font-size: 1rem;
    gap: 8px;
  }

  .btn-whatsapp-cta__icon {
    width: 24px;
    height: 24px;
  }

  .hero-banner__img {
    max-width: 280px;
  }
}

/* Apresentacao e unidades: extensao local da tipografia e dos componentes. */
.presentation {
  background: var(--surface-header);
  padding-block: clamp(3rem, 6vw, 5rem);
}

.presentation__layout {
  display: grid;
  gap: 1.5rem;
}

.section-title {
  color: var(--text-primary-dark);
  font-size: clamp(1.75rem, 2.5vw, 2.25rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.presentation__text {
  color: var(--text-secondary-dark);
  font-size: 1.0625rem;
  line-height: 1.65;
  max-width: 62ch;
}

.presentation__text p + p { margin-top: 1rem; }

.reseller {
  background: var(--surface-header);
  padding-block: clamp(2rem, 5vw, 4rem);
}
.reseller__layout { display: grid; gap: 2rem; align-items: center; }
.reseller__content { min-width: 0; }
.reseller__eyebrow {
  color: var(--brand-orange-dark);
  font-size: 0.8125rem;
  line-height: 1.5;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 0.75rem;
}
.reseller .section-title { margin-bottom: 1.25rem; }
.reseller .btn-whatsapp-cta {
  margin-top: 1.5rem;
  width: fit-content;
  min-width: 0;
  max-width: 100%;
  white-space: normal;
  padding: 14px 16px;
  gap: 10px;
  font-size: 1rem;
  box-shadow: none;
}
.reseller .btn-whatsapp-cta:focus-visible { outline-color: var(--focus-ring-light); }
.reseller__figure { min-width: 0; }
.reseller__figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-lg);
}
.reseller__figure figcaption {
  margin-top: 0.75rem;
  color: var(--text-secondary-dark);
  font-size: 0.9375rem;
}
@media (min-width: 900px) {
  .reseller__layout { grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr); gap: clamp(2rem, 4vw, 3.5rem); }
  .reseller__figure { grid-column: 1; grid-row: 1; }
  .reseller__content { grid-column: 2; grid-row: 1; }
}

.locations {
  padding-block: clamp(3rem, 6vw, 5rem);
}

.locations__grid {
  display: grid;
  gap: 1.25rem;
  margin-top: 1.75rem;
}

.location-card.unit-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  padding: clamp(1.5rem, 3vw, 2rem);
  background: var(--surface-header);
  border-color: var(--border-light);
  border-radius: var(--radius-lg);
  color: var(--text-primary-dark);
  transition: none;
  transform: none;
}

.location-card .unit-card__title {
  color: inherit;
  font-size: 1.375rem;
}

.location-card__address,
.location-card__hours {
  color: var(--text-secondary-dark);
  font-size: 1rem;
  line-height: 1.6;
}

.location-card__address {
  font-style: normal;
  overflow-wrap: break-word;
}

.location-card__hours h4 {
  color: var(--text-primary-dark);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.375rem;
}

.location-card__hours ul { list-style: none; }
.location-card__hours li + li { margin-top: 0.25rem; }
.location-card__link { margin-top: auto; }

.location-card__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  max-width: 100%;
  padding: 0.625rem 1rem;
  border: 1px solid var(--surface-dark);
  border-radius: var(--radius-md);
  color: var(--text-primary-dark);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.location-card__link:hover { background: var(--surface-page); }
.location-card__link:active { background: var(--border-light); }

@media (min-width: 700px) {
  .locations__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 900px) {
  .presentation__layout {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: clamp(2rem, 5vw, 4.5rem);
    align-items: start;
  }
}

.closing-cta {
  padding-block: 2.5rem;
  background: var(--surface-header);
}

.closing-cta__layout {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.5rem;
}

.closing-cta .section-title { font-size: clamp(1.75rem, 2.5vw, 2rem); }
.closing-cta p { margin-top: 0.5rem; color: var(--text-secondary-dark); }
.closing-cta .btn-whatsapp-cta { box-shadow: none; }
.closing-cta .btn-whatsapp-cta:focus-visible { outline-color: var(--focus-ring-light); }

.site-footer {
  border-top: 1px solid var(--border-light);
  padding-block: 1.25rem;
  background: var(--surface-header);
}

.site-footer__layout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.site-footer__brand { display: flex; align-items: center; gap: 0.75rem; font-weight: 700; }
.site-footer__links { display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; }
.site-footer__brand img { width: 48px; height: 48px; object-fit: contain; border-radius: 50%; }
.site-footer__top {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--text-primary-dark);
  text-underline-offset: 4px;
}

.site-footer__social { gap: 0.5rem; }
.site-footer__social svg { flex-shrink: 0; }
.site-footer__links a:focus-visible { outline-color: var(--focus-ring-light); }

@media (min-width: 700px) {
  .closing-cta__layout { flex-direction: row; justify-content: space-between; align-items: center; }
  .closing-cta .btn-whatsapp-cta { width: auto; flex-shrink: 0; }
}

.privacy-page { background: var(--surface-header); }
.privacy-content {
  max-width: 48rem;
  margin-inline: auto;
  padding: clamp(2rem, 5vw, 4rem) 1.25rem;
  color: var(--text-primary-dark);
  font-size: 1.0625rem;
  line-height: 1.7;
  overflow-wrap: anywhere;
}
.privacy-content h1 { font-size: clamp(2rem, 5vw, 2.75rem); line-height: 1.15; margin-block: 1rem; }
.privacy-content h2 { font-size: 1.375rem; line-height: 1.3; margin-block: 2rem 0.75rem; }
.privacy-content p + p { margin-top: 0.875rem; }
.privacy-content ul { padding-left: 1.25rem; }
.privacy-content li + li { margin-top: 0.5rem; }
.privacy-content a { color: var(--action-primary, #9a3412); text-underline-offset: 4px; }
.privacy-content .privacy-back { display: inline-flex; align-items: center; min-height: 44px; }
.privacy-status { color: var(--text-secondary-dark); font-size: 0.9375rem; }

/* --------------------------------------------------------------------------
   Respeito a prefers-reduced-motion
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Entradas progressivas: nenhuma classe ? aplicada sem observador inicializado.
   Os alvos atuais n?o possuem transforma??es estruturais. */
.entry-target.entry-pending { opacity: 0; transform: translateY(12px); }
.entry-target.entry-animating {
  transition: opacity 400ms cubic-bezier(0.22, 1, 0.36, 1), transform 400ms cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: var(--entry-delay, 0ms);
}
@media (max-width: 899px) {
  .entry-target.entry-pending { transform: translateY(8px); }
}
/* Defesa CSS imediata, inclusive antes de o evento da prefer?ncia chegar ao JS. */
@media (prefers-reduced-motion: reduce) {
  .entry-target.entry-pending { opacity: 1; transform: none; }
  .entry-target.entry-animating { transition: none !important; transition-delay: 0ms !important; }
}