/* ==========================================================================
   Estilos principais (Mobile First)
   ========================================================================== */

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

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

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

.section--services {
  background-color: var(--color-surface);
  border-block: 1px solid var(--color-border);
}

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

.section__header {
  margin-bottom: var(--space-lg);
}

.section__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-sm);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--color-accent);
}

.section__eyebrow::before {
  content: "";
  width: 2rem;
  height: 2px;
  background-color: var(--color-accent);
}

.section__title {
  font-size: var(--fs-h2);
  text-transform: uppercase;
  letter-spacing: 0.01em;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-sm);
  z-index: 200;
  padding: var(--space-xs) var(--space-sm);
  background-color: var(--color-accent);
  border-radius: var(--radius);
  transition: top var(--transition-fast);
}

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

/* --------------------------------------------------------------------------
   Botões
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  min-height: 52px;
  padding: 0.9rem 1.6rem;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1;
  text-align: center;
  border-radius: var(--radius-pill);
  transition: background-color var(--transition-fast),
    transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn--primary {
  color: #fff;
  background-color: var(--color-accent);
  box-shadow: var(--shadow-accent);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background-color: var(--color-accent-hover);
  transform: translateY(-2px);
}

.btn--primary:active {
  transform: translateY(0);
}

.btn--lg {
  width: 100%;
  min-height: 60px;
  font-size: 1.0625rem;
}

.btn__icon {
  width: 1.4em;
  height: 1.4em;
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   1. Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100svh;
  overflow: hidden;
  isolation: isolate;
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.hero__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
      to bottom,
      rgba(0, 0, 0, 0.75) 0%,
      rgba(0, 0, 0, 0.45) 35%,
      rgba(0, 0, 0, 0.85) 100%
    ),
    rgba(0, 0, 0, 0.25);
}

.hero__content {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: var(--space-md);
  padding-block: var(--space-lg) var(--space-2xl);
}

/* Logo */
.logo {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 6vw, 2.25rem);
  line-height: 0.95;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.logo__line {
  display: block;
}

.logo__line--accent {
  color: var(--color-accent);
}

.logo__img {
  width: clamp(140px, 40vw, 220px);
  height: auto;
}

/* Headline */
.hero__headline {
  margin-top: auto;
  max-width: 18ch;
  font-size: var(--fs-hero);
  text-transform: uppercase;
}

.hero__headline em {
  font-style: normal;
  color: var(--color-accent);
}

.hero__cta {
  align-self: flex-start;
}

/* Indicador de scroll */
.hero__scroll {
  position: absolute;
  bottom: var(--space-sm);
  left: 50%;
  translate: -50% 0;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  color: var(--color-text-muted);
  animation: bounce 2s infinite;
}

.hero__scroll svg {
  width: 24px;
  height: 24px;
}

@keyframes bounce {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(8px);
  }
}

/* --------------------------------------------------------------------------
   2. Sobre
   -------------------------------------------------------------------------- */
.about__grid {
  display: grid;
  gap: var(--space-lg);
}

.about__lead {
  margin-top: var(--space-md);
  max-width: 58ch;
  color: var(--color-text-muted);
}

.about__figure {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.about__figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: grayscale(1) contrast(1.05);
  transition: filter var(--transition);
}

.about__figure:hover img {
  filter: grayscale(0);
}

/* --------------------------------------------------------------------------
   3. Serviços
   -------------------------------------------------------------------------- */
.services {
  display: grid;
  gap: var(--space-sm);
}

.service {
  padding: var(--space-md);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-fast),
    transform var(--transition-fast), background-color var(--transition-fast);
}

.service:hover,
.service:focus-within {
  border-color: var(--color-accent);
  background-color: var(--color-surface-alt);
  transform: translateY(-4px);
}

.service__icon {
  display: block;
  margin-bottom: var(--space-sm);
  font-size: var(--icon-service);
  line-height: 1;
}

.service__title {
  font-size: var(--fs-h3);
  text-transform: uppercase;
}

.service__desc {
  margin-top: 0.35rem;
  font-size: var(--fs-small);
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   4. Redes sociais
   -------------------------------------------------------------------------- */
.socials {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.social {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  min-width: 96px;
  padding: var(--space-md) var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: color var(--transition-fast), border-color var(--transition-fast),
    transform var(--transition-fast);
}

.social svg {
  width: var(--icon-social);
  height: var(--icon-social);
}

.social__label {
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.social:hover,
.social:focus-visible {
  color: var(--color-accent);
  border-color: var(--color-accent);
  transform: translateY(-4px);
}

.social:hover .social__label,
.social:focus-visible .social__label {
  color: var(--color-text);
}

/* --------------------------------------------------------------------------
   5. Contato
   -------------------------------------------------------------------------- */
.section--contact {
  position: relative;
  background:
    radial-gradient(
      120% 90% at 50% 0%,
      rgba(225, 6, 0, 0.22) 0%,
      transparent 65%
    ),
    var(--color-bg);
  border-top: 1px solid var(--color-border);
}

.contact__inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-md);
  text-align: left;
}

.contact__title {
  max-width: 24ch;
  font-size: var(--fs-h2);
  text-transform: uppercase;
}

.contact__title em {
  font-style: normal;
  color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   Rodapé
   -------------------------------------------------------------------------- */
.footer {
  padding-block: var(--space-lg);
  border-top: 1px solid var(--color-border);
  background-color: var(--color-surface);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  align-items: center;
  text-align: center;
}

.footer__logo {
  font-family: var(--font-display);
  font-size: 1.125rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.footer__logo strong {
  font-weight: inherit;
  color: var(--color-accent);
}

.footer__copy {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   FAB WhatsApp
   -------------------------------------------------------------------------- */
.fab {
  position: fixed;
  right: var(--space-sm);
  bottom: var(--space-sm);
  z-index: 100;
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  color: #fff;
  background-color: var(--color-whatsapp);
  border-radius: 50%;
  box-shadow: 0 8px 24px -6px rgba(0, 0, 0, 0.8);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px) scale(0.9);
  transition: opacity var(--transition), transform var(--transition),
    visibility var(--transition);
}

.fab.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.fab:hover,
.fab:focus-visible {
  transform: translateY(-3px) scale(1.05);
}

.fab svg {
  width: 30px;
  height: 30px;
}

/* --------------------------------------------------------------------------
   Scroll reveal
   -------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 600ms ease-out, transform 600ms ease-out;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* Escalonamento dos cards de serviço */
.service.reveal:nth-child(2) {
  transition-delay: 80ms;
}
.service.reveal:nth-child(3) {
  transition-delay: 160ms;
}
.service.reveal:nth-child(4) {
  transition-delay: 240ms;
}
.service.reveal:nth-child(5) {
  transition-delay: 320ms;
}
.service.reveal:nth-child(6) {
  transition-delay: 400ms;
}

/* ==========================================================================
   Breakpoints
   ========================================================================== */

/* -------- 480px+ : mobile grande -------- */
@media (min-width: 480px) {
  .services {
    grid-template-columns: repeat(2, 1fr);
  }

  .btn--lg {
    width: auto;
  }
}

/* -------- 768px+ : tablet -------- */
@media (min-width: 768px) {
  .about__grid {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: var(--space-xl);
  }

  .about__figure img {
    aspect-ratio: 3 / 4;
  }

  .socials {
    gap: var(--space-md);
  }

  .social {
    min-width: 130px;
    padding: var(--space-lg) var(--space-md);
  }

  .footer__inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }

  .fab {
    right: var(--space-md);
    bottom: var(--space-md);
    width: 62px;
    height: 62px;
  }
}

/* -------- 1024px+ : desktop -------- */
@media (min-width: 1024px) {
  .services {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
  }

  .service {
    padding: var(--space-lg);
  }

  .hero__content {
    padding-block: var(--space-xl) calc(var(--space-2xl) + 1rem);
  }

  .hero__headline {
    max-width: 22ch;
  }

  .contact__inner {
    align-items: center;
    text-align: center;
  }
}

/* -------- 1440px+ : desktop grande -------- */
@media (min-width: 1440px) {
  .hero__headline {
    max-width: 26ch;
  }
}

/* ==========================================================================
   Preferências do usuário
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero__scroll {
    animation: none;
  }

  .fab {
    transition: none;
  }
}

/* Vídeo oculto quando o usuário pede menos dados/movimento (JS adiciona a classe) */
.hero--static .hero__video {
  display: none;
}

.hero--static .hero__media {
  /* TODO: ASSET — usar assets/images/hero-poster.jpg quando disponível */
  background: url("../assets/images/Site-GW-1920-x-1080-px.jpg") center / cover
    no-repeat;
}