/* ============================================================
   COMAX — Estilos
   ============================================================ */

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

* { margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

/* O header é fixo e tem 90px: sem esta margem, a âncora alinha a seção
   no topo da viewport e os primeiros 90px dela ficam atrás do header. */
[id] { scroll-margin-top: 90px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}

body {
  font-family: var(--font);
  font-size: var(--fs-body);
  line-height: 1.5;
  color: var(--white);
  background: var(--navy-900);
  -webkit-font-smoothing: antialiased;

  /* `overflow-x: hidden` aqui força o overflow-y a `auto` e transforma o
     body num contêiner de rolagem. O scroll real fica no <html>, então
     links de âncora e scrollIntoView param de funcionar: tentam rolar o
     body, que não tem o que rolar. `clip` corta igual sem criar o
     contêiner. A linha com `hidden` fica de reserva para navegadores
     antigos, que ignoram a seguinte. */
  overflow-x: hidden;
  overflow-x: clip;
}

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

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

button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

ul { list-style: none; }

:focus-visible {
  outline: 3px solid var(--yellow);
  outline-offset: 3px;
  border-radius: 4px;
}

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

/* Pula direto para o conteúdo (teclado / leitor de tela) */
.skip-link {
  position: absolute;
  top: -100px; left: var(--gutter);
  z-index: 200;
  padding: 12px 20px;
  background: var(--yellow);
  color: var(--navy-900);
  font-weight: 700;
  border-radius: var(--r-sm);
  transition: top var(--dur) var(--ease);
}
.skip-link:focus { top: 12px; }

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

.section { padding-block: var(--sec-pad-y); }

.section__head {
  max-width: 820px;
  margin-inline: auto;
  text-align: center;
}

.section__title {
  font-size: var(--fs-h2);
  font-weight: 400;
  line-height: 1.25;
  color: var(--ink);
}
.section__title strong { font-weight: 700; }

.section__subtitle {
  margin-top: 20px;
  max-width: 670px;
  margin-inline: auto;
  color: var(--navy-900);
}

/* --- Botões -------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: var(--fs-btn);
  font-weight: 800;
  color: var(--white);
  background: var(--red);
  border-radius: var(--r-md);
  min-height: 72px;
  width: 441px;
  max-width: 100%;
  padding: 16px 32px;
  transition: background var(--dur) var(--ease),
              transform var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease);
}
.btn:hover {
  background: var(--red-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgb(188 0 0 / .32);
}
.btn:active { transform: translateY(0); box-shadow: none; }

.btn--dark { background: var(--navy-900); }
.btn--dark:hover {
  background: var(--navy-800);
  box-shadow: 0 10px 28px rgb(21 26 46 / .35);
}

.btn--sm {
  width: 211px;
  min-height: 40px;
  padding: 8px 20px;
  font-size: var(--fs-body);
  font-weight: 700;
  border-radius: var(--r-sm);
}

/* --- Header -------------------------------------------------- */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: 90px;
  display: flex;
  align-items: center;
  background: var(--navy-900);
  transition: box-shadow var(--dur) var(--ease);
}
.header.is-stuck { box-shadow: 0 6px 24px rgb(0 0 0 / .35); }

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.header__logo img { width: 175px; height: auto; }

.nav { margin-left: auto; }

.nav__list { display: flex; gap: 48px; align-items: center; }

/* O CTA dentro da lista existe só para o menu mobile, onde o botão
   do topo some. No desktop ele seria um duplicado. */
.nav__list .btn--sm { display: none; }

.nav__link {
  position: relative;
  padding-block: 4px;
  transition: color var(--dur) var(--ease);
}
.nav__link::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 2px;
  background: var(--yellow);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur) var(--ease);
}
.nav__link:hover { color: var(--yellow); }
.nav__link:hover::after,
.nav__link[aria-current="page"]::after { transform: scaleX(1); }

/* Botão hambúrguer */
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform var(--dur) var(--ease),
              opacity var(--dur) var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --- Hero ---------------------------------------------------- */
.hero {
  position: relative;
  background: var(--navy-900);
  padding-top: calc(90px + 54px);
  padding-bottom: 56px;
  min-height: 760px;
  display: flex;
  align-items: center;
}

.hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 673px) minmax(0, 875px);
  gap: 48px;
  align-items: center;
}

.hero__title {
  font-size: var(--fs-h1);
  font-weight: 400;
  line-height: 1.25;
}
.hero__title strong {
  font-weight: 700;
  color: var(--yellow);
}

.hero__text {
  margin-top: 46px;
  max-width: 441px;
}

.hero__cta { margin-top: 46px; }

.hero__media {
  border-radius: var(--r-img);
  overflow: hidden;
  aspect-ratio: 875 / 668;
}
.hero__media img {
  width: 100%; height: 100%;
  object-fit: cover;
}

/* --- Diferenciais -------------------------------------------- */
.diferenciais { background: var(--grad-light); }

.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin-top: 58px;
}

.card {
  background: var(--yellow);
  border-radius: var(--r-card);
  padding: 56px 32px;
  min-height: 296px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 24px;
  transition: transform var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease);
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 40px rgb(21 26 46 / .18);
}

.card__title {
  font-size: var(--fs-card);
  font-weight: 700;
  line-height: 1.25;
  color: var(--navy-800);
}

.card__text {
  max-width: 210px;
  color: var(--navy-900);
}

.diferenciais__cta {
  margin-top: 77px;
  text-align: center;
}

/* --- Quem somos ----------------------------------------------- */
.sobre { background: var(--grad-navy); }

.sobre__inner {
  display: grid;
  grid-template-columns: minmax(0, 669px) minmax(0, 643px);
  gap: 56px;
  align-items: center;
}

.sobre__logo { width: 447px; margin-bottom: 68px; }

.sobre__text + .sobre__text { margin-top: 1.5em; }

.sobre__cta { margin-top: 68px; }

.sobre__media {
  border-radius: var(--r-img);
  overflow: hidden;
  aspect-ratio: 643 / 529;
}
.sobre__media img {
  width: 100%; height: 100%;
  object-fit: cover;
}

/* --- Marcas --------------------------------------------------- */
.marcas { background: var(--yellow); }

.marcas .section__title,
.marcas .section__subtitle { color: var(--ink); }
.marcas .section__title strong { font-weight: 800; }

/* Carrossel infinito: os 19 logos correm em linha única.
   O track recebe uma cópia do grupo via JS; a animação desloca
   -50%, que é exatamente a largura de um grupo (daí o padding-right
   igual ao gap, para os dois grupos terem a mesma largura). */
.marquee {
  --gap: 22px;
  margin-top: 88px;
  overflow-x: auto;              /* fallback sem JS: rola na mão */
  scrollbar-width: none;
  -webkit-mask-image: linear-gradient(90deg,
    transparent 0, #000 7%, #000 93%, transparent 100%);
  mask-image: linear-gradient(90deg,
    transparent 0, #000 7%, #000 93%, transparent 100%);
}
.marquee::-webkit-scrollbar { display: none; }

.marquee.is-running { overflow: hidden; }

.marquee__track {
  display: flex;
  width: max-content;
}
.marquee.is-running .marquee__track {
  animation: marquee var(--dur-marquee, 60s) linear infinite;
}
@keyframes marquee {
  to { transform: translateX(-50%); }
}

.marquee__group {
  display: flex;
  flex-shrink: 0;
  gap: var(--gap);
  padding-right: var(--gap);
}

.marcas__item {
  flex: 0 0 auto;
  width: 280px;
  height: 150px;
  background: var(--white);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px;
}
/* width/height 100% + object-fit encaixa qualquer proporção dentro da
   caixa. Com `max-height: 100%` a altura não era respeitada: a imagem
   ficava numa linha de grid auto-dimensionada, onde a porcentagem é
   circular e o navegador a descarta — logos altos vazavam e cortavam. */
.marcas__item img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

@media (prefers-reduced-motion: reduce) {
  .marquee.is-running { overflow-x: auto; }
  .marquee.is-running .marquee__track { animation: none; }
}

.marcas__cta {
  margin-top: 88px;
  text-align: center;
}

/* --- CTA final ------------------------------------------------ */
.contato {
  position: relative;
  background: var(--navy-800);
  overflow: hidden;
  padding-block: 106px;
  min-height: 479px;
  display: flex;
  align-items: center;
}

.contato__bg {
  position: absolute;
  inset: 0 0 0 50%;
  opacity: .36;
  pointer-events: none;
}
.contato__bg img {
  width: 100%; height: 100%;
  object-fit: cover;
}

.contato .container { position: relative; z-index: 1; }

.contato__box { max-width: 554px; }

.contato__title {
  font-size: var(--fs-h2);
  font-weight: 700;
  color: var(--yellow);
}

.contato__text { margin-top: 42px; }

.contato__cta { margin-top: 66px; }

/* --- Footer --------------------------------------------------- */
.footer {
  background: var(--navy-950);
  padding-block: 59px 72px;
}

.footer__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 48px;
  align-items: start;
}

.footer__logo { width: 202px; }

.footer__text {
  margin-top: 48px;
  max-width: 420px;
  font-size: var(--fs-small);
  line-height: 1.6;
  color: rgb(255 255 255 / .8);
}

.footer__title {
  font-size: var(--fs-h3);
  font-weight: 700;
  color: var(--yellow);
}

.footer__contato {
  margin-top: 16px;
  font-size: var(--fs-small);
  color: rgb(255 255 255 / .8);
}
.footer__contato a { transition: color var(--dur) var(--ease); }
.footer__contato a:hover { color: var(--yellow); }

.social {
  display: flex;
  gap: 10px;
  margin-top: 24px;
}
.social a {
  width: 52px; height: 52px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgb(255 255 255 / .08);
  transition: background var(--dur) var(--ease),
              transform var(--dur) var(--ease);
}
.social a:hover {
  background: var(--yellow);
  color: var(--navy-900);
  transform: translateY(-3px);
}
.social svg { width: 26px; height: 26px; }

.footer__bottom {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid rgb(255 255 255 / .1);
  font-size: var(--fs-small);
  color: rgb(255 255 255 / .55);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  justify-content: space-between;
}

/* --- WhatsApp flutuante --------------------------------------- */
.whatsapp-float {
  position: fixed;
  right: 24px; bottom: 24px;
  z-index: 90;
  width: 60px; height: 60px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  box-shadow: 0 8px 24px rgb(0 0 0 / .3);
  transition: transform var(--dur) var(--ease);
}
.whatsapp-float:hover { transform: scale(1.08); }
.whatsapp-float svg { width: 32px; height: 32px; }

/* --- Reveal ao rolar ------------------------------------------ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
}

/* ============================================================
   RESPONSIVO
   O Figma só entregou o desktop (1920px); o frame LP_comax_mob
   está vazio. Os breakpoints abaixo preservam a hierarquia
   visual do layout aprovado.
   ============================================================ */

@media (max-width: 1280px) {
  .nav__list { gap: 32px; }
  .hero__inner { gap: 32px; }
  .sobre__logo { width: 360px; }
}

@media (max-width: 1024px) {
  .cards { grid-template-columns: repeat(2, 1fr); }

  .hero,
  .sobre__inner,
  .hero__inner { min-height: 0; }

  .hero__inner,
  .sobre__inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .hero__media { order: -1; max-width: 640px; }
  .sobre__media { max-width: 640px; }
  .hero__text { max-width: 560px; }

  .footer__inner { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .nav-toggle { display: flex; }

  .nav {
    position: fixed;
    inset: 90px 0 auto 0;
    background: var(--navy-900);
    border-top: 1px solid rgb(255 255 255 / .08);
    padding: 8px 0 24px;
    transform: translateY(-120%);
    /* sem isto o painel fechado fica visível acima do header, que é
       seu pai e portanto não o cobre */
    visibility: hidden;
    transition: transform var(--dur) var(--ease),
                visibility 0s linear var(--dur);
    box-shadow: 0 16px 32px rgb(0 0 0 / .35);
  }
  .nav.is-open {
    transform: translateY(0);
    visibility: visible;
    transition-delay: 0s;
  }

  .nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding-inline: var(--gutter);
  }
  .nav__link {
    display: block;
    padding: 16px 0;
    border-bottom: 1px solid rgb(255 255 255 / .06);
  }
  .nav__link::after { display: none; }

  .header__cta { display: none; }

  .nav__list .btn--sm {
    display: inline-flex;
    width: 100%;
    margin-top: 20px;
    min-height: 52px;
  }

  .hero { padding-top: calc(90px + 40px); }
  .hero__text, .hero__cta { margin-top: 28px; }

  .sobre__logo { width: 260px; margin-bottom: 40px; }
  .sobre__cta { margin-top: 40px; }

  .contato { padding-block: 72px; }
  .contato__bg { inset: 0; opacity: .18; }
  .contato__text { margin-top: 24px; }
  .contato__cta { margin-top: 36px; }

  .diferenciais__cta { margin-top: 48px; }
  .marcas__cta { margin-top: 40px; }
}

@media (max-width: 680px) {
  .btn { width: 100%; min-height: 60px; }
  .cards { grid-template-columns: 1fr; gap: 16px; }
  .card { min-height: 0; padding: 40px 28px; }
  .marquee { --gap: 14px; }
  .marcas__item { width: 190px; height: 104px; padding: 18px; }
  .footer__text { margin-top: 32px; }
  .footer__bottom { margin-top: 40px; }
  .whatsapp-float { right: 16px; bottom: 16px; width: 54px; height: 54px; }
  .whatsapp-float svg { width: 28px; height: 28px; }
}