/**
 * Landing — Curso Online de Manutenção de Lavadoras
 * Paleta industrial (estrita)
 */

:root {
  --color-bg: #e8edf2;
  --color-text: #333533;
  --color-cta: #fb5607;
  --color-accent: #006d77;
  --color-border: #cfd7df;
  --color-muted: rgba(51, 53, 51, 0.75);
  --color-white: #ffffff;
  /* Aliases semânticos */
  --bg: var(--color-bg);
  --text: var(--color-text);
  --cta: var(--color-cta);
  --icon: var(--color-accent);
}

/* Base */
html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
}

/* Links: evita azul padrão sem sobrescrever utilitários Tailwind (ex.: texto branco no hero) */
main a[href^="#"]:not(.btn-industrial):not(.text-white):not([class*="text-white"]) {
  color: var(--color-text);
  text-decoration-color: color-mix(in srgb, var(--color-accent) 45%, transparent);
  transition: color 0.3s ease-in-out, text-decoration-color 0.3s ease-in-out;
}

main a[href^="#"]:not(.btn-industrial):not(.text-white):not([class*="text-white"]):hover {
  color: var(--color-accent);
  text-decoration-color: var(--color-accent);
}

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

/* CTAs e botões de conversão: sem sublinhado azul; cor controlada pelo HTML (Tailwind) */
a.btn-industrial,
button.btn-industrial {
  text-decoration: none;
  transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out, background-color 0.3s ease-in-out,
    opacity 0.3s ease-in-out, filter 0.3s ease-in-out;
}

a.btn-industrial:hover,
button.btn-industrial:hover {
  text-decoration: none;
}

/* Botão escuro (secundário) — mesma curva de transição */
a.btn-secondary-dark {
  text-decoration: none;
  transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out, background-color 0.3s ease-in-out,
    opacity 0.3s ease-in-out;
}

/* Hero: imagem + leitura em texto claro */
.hero-section {
  min-height: min(92vh, 920px);
}

.hero-bg-img {
  object-position: center;
}

.hero-gradient-overlay {
  background: linear-gradient(
    165deg,
    rgba(51, 53, 51, 0.88) 0%,
    rgba(51, 53, 51, 0.55) 42%,
    rgba(0, 109, 119, 0.62) 100%
  );
  pointer-events: none;
}

.hero-text-shadow {
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.35);
}

/* Cards de módulos (accordion) */
.module-card {
  transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out, border-color 0.3s ease-in-out;
}

.module-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(51, 53, 51, 0.1);
}

.module-card:focus-within {
  border-color: color-mix(in srgb, var(--color-accent) 35%, var(--color-border));
}

/* Marcas: grid + logotipo cinza → cor ao hover */
.brand-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

@media (min-width: 640px) {
  .brand-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.brand-card {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 112px;
  padding: 1.25rem;
  border-radius: 1rem;
  border: 1px solid var(--color-border);
  background: color-mix(in srgb, var(--color-white) 72%, transparent);
  box-shadow: 0 1px 2px rgba(51, 53, 51, 0.06);
  transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out, border-color 0.3s ease-in-out;
}

.brand-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 28px rgba(51, 53, 51, 0.12);
  border-color: color-mix(in srgb, var(--color-accent) 28%, var(--color-border));
}

.brand-logo {
  max-height: 48px;
  width: auto;
  max-width: 140px;
  object-fit: contain;
  filter: grayscale(1);
  opacity: 0.82;
  transition: filter 0.3s ease-in-out, opacity 0.3s ease-in-out, transform 0.3s ease-in-out;
}

.brand-card:hover .brand-logo {
  filter: grayscale(0);
  opacity: 1;
  transform: scale(1.03);
}

/* Barra de preço fixa — mobile */
.sticky-price-mobile {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 60;
  border-top: 1px solid var(--color-border);
  background: color-mix(in srgb, var(--color-white) 92%, var(--color-bg));
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 -8px 32px rgba(51, 53, 51, 0.12);
}

.safe-area-pb {
  padding-bottom: max(0.75rem, env(safe-area-inset-bottom, 0px));
}

/* Espaço para não esconder conteúdo atrás da barra + CTA antigo */
body.has-mobile-price-bar {
  padding-bottom: 5.5rem;
}

@media (min-width: 640px) {
  body.has-mobile-price-bar {
    padding-bottom: 0;
  }
}

/* Footer: links sem tom “azul” — herdam branco / acento suave */
footer a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s ease-in-out, opacity 0.3s ease-in-out;
}

footer a:hover {
  color: var(--color-white);
  opacity: 1;
}

footer .footer-link-accent {
  color: color-mix(in srgb, var(--color-white) 88%, var(--color-accent));
}

footer .footer-link-accent:hover {
  color: var(--color-white);
  text-decoration: underline;
  text-underline-offset: 3px;
}