/*
  ARQUIVO CENTRAL DE TEMA — FEIRÃO TRUCKS
  ==========================================================
  Toda a paleta de cores, tipografia, espaçamentos, sombras,
  bordas e breakpoints do site vivem aqui como CSS Custom
  Properties. Para mudar a cara do site inteiro (cores,
  fontes, raios, sombras), edite SOMENTE este arquivo.
  Nenhum componente deve usar cores/valores "soltos" —
  sempre referenciar var(--...) definidas abaixo.
  ==========================================================
*/

:root {
  /* ---------- PALETA DE MARCA (extraída do logo) ---------- */
  --color-brand-red: #e4222a;          /* vermelho principal do logo */
  --color-brand-red-dark: #9c1b22;     /* vermelho/bordô do logo (sombra da seta) */
  --color-brand-red-darker: #7a151b;   /* variação para hover/gradientes */
  --color-brand-gray: #6e7175;         /* cinza da seta do logo */
  --color-brand-gray-light: #a9abae;   /* cinza claro do logo */
  --color-brand-black: #121212;        /* preto do texto do logo */

  /* ---------- CORES SEMÂNTICAS ---------- */
  --color-primary: var(--color-brand-red);
  --color-primary-hover: var(--color-brand-red-darker);
  --color-primary-contrast: #ffffff;

  --color-secondary: var(--color-brand-black);
  --color-secondary-contrast: #ffffff;

  --color-accent: var(--color-brand-gray);

  --color-success: #1f9d55;
  --color-whatsapp: #25d366;
  --color-whatsapp-hover: #1eb857;

  /* ---------- NEUTROS / SUPERFÍCIES ---------- */
  --color-bg: #ffffff;
  --color-bg-alt: #f6f7f8;             /* seções alternadas */
  --color-bg-dark: #171819;            /* rodapé, seções escuras */
  --color-bg-dark-alt: #212325;

  --color-border: #e5e6e8;
  --color-border-dark: #2c2e30;

  --color-text: #1c1d1f;
  --color-text-muted: #5a5d62;
  --color-text-inverse: #f5f5f6;
  --color-text-inverse-muted: #b7b9bc;

  /* ---------- TIPOGRAFIA ---------- */
  --font-heading: 'Barlow Condensed', 'Arial Narrow', sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;

  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-md: 1.125rem;
  --fs-lg: 1.375rem;
  --fs-xl: 1.75rem;
  --fs-2xl: 2.25rem;
  --fs-3xl: 3rem;
  --fs-4xl: 3.75rem;

  --lh-tight: 1.1;
  --lh-snug: 1.3;
  --lh-normal: 1.6;

  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;
  --fw-black: 800;

  /* ---------- ESPAÇAMENTO ---------- */
  --space-3xs: 0.25rem;
  --space-2xs: 0.5rem;
  --space-xs: 0.75rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4.5rem;
  --space-3xl: 6rem;

  --container-max: 1280px;
  --container-padding: clamp(1rem, 4vw, 2.5rem);

  /* ---------- BORDAS / RAIOS ---------- */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-pill: 999px;

  /* ---------- SOMBRAS ---------- */
  --shadow-sm: 0 1px 3px rgba(18, 18, 18, 0.08);
  --shadow-md: 0 8px 24px rgba(18, 18, 18, 0.10);
  --shadow-lg: 0 16px 48px rgba(18, 18, 18, 0.16);
  --shadow-red: 0 12px 28px rgba(228, 34, 42, 0.28);

  /* ---------- TRANSIÇÕES ---------- */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 0.18s var(--ease);
  --transition-base: 0.28s var(--ease);
  --transition-slow: 0.5s var(--ease);

  /* ---------- GRADIENTES DE MARCA ---------- */
  --gradient-primary: linear-gradient(135deg, var(--color-brand-red) 0%, var(--color-brand-red-dark) 100%);
  --gradient-dark: linear-gradient(180deg, #1c1d1f 0%, #0e0f10 100%);

  /* ---------- Z-INDEX ---------- */
  --z-header: 100;
  --z-whatsapp: 200;
  --z-chatbot: 300;
  --z-modal: 400;

  /* ---------- BREAKPOINTS (referência p/ comentários; media queries usam px fixos) ---------- */
  --bp-sm: 480px;
  --bp-md: 768px;
  --bp-lg: 1024px;
  --bp-xl: 1280px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: var(--lh-normal);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul,
ol {
  list-style: none;
}

button,
input,
textarea,
select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-heading);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  letter-spacing: 0.01em;
  color: var(--color-text);
}

h1 {
  font-size: var(--fs-4xl);
}
h2 {
  font-size: var(--fs-2xl);
}
h3 {
  font-size: var(--fs-xl);
}

@media (max-width: 768px) {
  h1 {
    font-size: var(--fs-3xl);
  }
  h2 {
    font-size: var(--fs-xl);
  }
}

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

/* ---------- LAYOUT UTILITÁRIO ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.section {
  padding-block: var(--space-2xl);
}

.section--alt {
  background: var(--color-bg-alt);
}

.section--dark {
  background: var(--gradient-dark);
  color: var(--color-text-inverse);
}

.section--dark h2,
.section--dark h3 {
  color: var(--color-text-inverse);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  font-family: var(--font-heading);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-sm);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.eyebrow::before {
  content: '';
  width: 24px;
  height: 3px;
  border-radius: var(--radius-pill);
  background: var(--gradient-primary);
}

.section-head {
  max-width: 720px;
  margin-bottom: var(--space-xl);
}

.section-head--center {
  margin-inline: auto;
  text-align: center;
}

/* ---------- BOTÕES (padrão visual institucional) ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xs);
  font-family: var(--font-heading);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-md);
  letter-spacing: 0.02em;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
  white-space: nowrap;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-primary-contrast);
  box-shadow: var(--shadow-red);
}

.btn-primary:hover {
  box-shadow: 0 16px 36px rgba(228, 34, 42, 0.38);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--color-secondary);
  color: var(--color-secondary-contrast);
}

.btn-secondary:hover {
  background: #2a2b2d;
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 2px solid var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-outline--inverse {
  border-color: rgba(255, 255, 255, 0.3);
  color: var(--color-text-inverse);
}

.btn-outline--inverse:hover {
  border-color: #fff;
  color: #fff;
}

.btn-whatsapp {
  background: var(--color-whatsapp);
  color: #fff;
}

.btn-whatsapp:hover {
  background: var(--color-whatsapp-hover);
  transform: translateY(-2px);
}

.btn-block {
  width: 100%;
}

.btn-sm {
  padding: 0.6rem 1.25rem;
  font-size: var(--fs-sm);
}

/* ---------- CARDS ---------- */
.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

/* ---------- ANIMAÇÕES LEVES ---------- */
/* Progressive enhancement: só esconde o conteúdo para animar quando o JS
   confirma que vai rodar (classe "js" no <html>, ver script inline no
   BaseLayout). Sem JS (ou se ele falhar), o conteúdo permanece visível —
   crítico para SEO/AEO e acessibilidade. */
@media (prefers-reduced-motion: no-preference) {
  html.js .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  }

  html.js .reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -60px;
  background: var(--color-primary);
  color: #fff;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  z-index: 1000;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 1rem;
}