/* ==========================================================================
   Roteqse - main.css
   Design system: cores, tipografia, layout base, componentes gerais
   ========================================================================== */

:root {
  /* Cores de marca */
  --color-primary: #0b2545;
  --color-primary-light: #13315c;
  --color-accent: #2e8bc0;
  --color-accent-dark: #1c6a99;
  --color-cta: #f5a623;
  --color-cta-dark: #d68c0f;

  /* Neutros */
  --color-ink: #1a1a1a;
  --color-body: #3d3d3d;
  --color-muted: #6b7280;
  --color-surface: #ffffff;
  --color-surface-alt: #f4f6f8;
  --color-border: #e2e6ea;

  /* Tipografia */
  --font-base: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-size-base: 1rem;
  --line-height-base: 1.6;

  /* Espaçamento */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  /* Layout */
  --container-width: 1200px;
  --radius: 6px;
  --shadow-sm: 0 1px 3px rgba(11, 37, 69, 0.08);
  --shadow-md: 0 4px 16px rgba(11, 37, 69, 0.12);
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-base);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-body);
  background: var(--color-surface);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-accent-dark);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1, h2, h3, h4 {
  color: var(--color-primary);
  line-height: 1.25;
  margin: 0 0 var(--space-sm);
}

h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 var(--space-sm); }

button {
  font-family: inherit;
}

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

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

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

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

.section-header {
  max-width: 640px;
  margin-bottom: var(--space-lg);
}

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

.eyebrow {
  display: inline-block;
  color: var(--color-accent-dark);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-xs);
}

/* --- Botões --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius);
  font-weight: 600;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
  text-decoration: none;
}

.btn:hover {
  text-decoration: none;
}

.btn--primary {
  background: var(--color-cta);
  color: var(--color-primary);
}

.btn--primary:hover {
  background: var(--color-cta-dark);
}

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

.btn--outline:hover {
  background: rgba(255, 255, 255, 0.12);
}

.btn--ghost {
  border-color: var(--color-accent);
  color: var(--color-accent-dark);
}

.btn--ghost:hover {
  background: var(--color-surface-alt);
}

/* --- Hero --- */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-surface);
  overflow: hidden;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  align-items: center;
  gap: var(--space-xl);
  padding-block: var(--space-2xl);
}

.hero__inner > * {
  min-width: 0;
}

.hero h1 {
  color: var(--color-surface);
}

.hero__lead {
  font-size: 1.15rem;
  color: #cfe3f5;
  max-width: 46ch;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.hero__art {
  justify-self: center;
}

/* --- Cards de categoria --- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-md);
  min-width: 0;
}

.card-grid > * {
  min-width: 0;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-md);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card__icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-sm);
  color: var(--color-accent);
}

.card__title {
  font-size: 1.05rem;
  margin-bottom: 0.35rem;
}

.card__text {
  color: var(--color-muted);
  font-size: 0.95rem;
  margin-bottom: 0;
}

.card__link {
  display: inline-block;
  margin-top: var(--space-sm);
  font-weight: 600;
  font-size: 0.9rem;
}

/* --- Value props --- */
.value-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-lg);
  min-width: 0;
}

.value-grid > * {
  min-width: 0;
}

.value-item__icon {
  width: 44px;
  height: 44px;
  color: var(--color-accent-dark);
  margin-bottom: var(--space-sm);
}

/* --- Marcas (placeholder) --- */
.brand-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-md);
}

.brand-tile {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 90px;
  background: var(--color-surface-alt);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
  color: var(--color-muted);
  font-size: 0.85rem;
  text-align: center;
  padding: var(--space-xs);
}

.brand-note {
  margin-top: var(--space-md);
  font-size: 0.9rem;
  color: var(--color-muted);
}

/* --- CTA banda --- */
.cta-band {
  background: var(--color-primary);
  color: var(--color-surface);
  text-align: center;
}

.cta-band h2 {
  color: var(--color-surface);
}

.cta-band__actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

/* --- Footer --- */
.site-footer {
  background: var(--color-ink);
  color: #cfd4da;
  padding-block: var(--space-xl) var(--space-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer-grid > * {
  min-width: 0;
}

.footer-grid h4 {
  color: var(--color-surface);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
}

.footer-grid a {
  color: #cfd4da;
}

.footer-grid li {
  margin-bottom: 0.5rem;
}

.footer-brand p {
  color: #9aa3ad;
  font-size: 0.9rem;
  max-width: 32ch;
}

.footer-bottom {
  border-top: 1px solid #333;
  padding-top: var(--space-md);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-sm);
  font-size: 0.85rem;
  color: #8a929b;
}

.footer-lang {
  display: flex;
  gap: 0.75rem;
}

.footer-lang a {
  color: #8a929b;
  font-weight: 600;
}

.footer-lang a[aria-current="true"] {
  color: var(--color-surface);
}

/* --- WhatsApp flutuante --- */
.whatsapp-float {
  position: fixed;
  right: var(--space-md);
  bottom: var(--space-md);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25d366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  z-index: 500;
  transition: transform var(--transition-fast);
}

.whatsapp-float:hover {
  transform: scale(1.06);
}

.whatsapp-float svg {
  width: 28px;
  height: 28px;
}

/* --- Skip link --- */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-surface);
  color: var(--color-primary);
  padding: 0.75rem 1.25rem;
  z-index: 1000;
}

.skip-link:focus {
  left: var(--space-sm);
  top: var(--space-sm);
}