/* Ludana Refrigeração: página no estilo do modelo Custom Heat & Cool (estrutura e acabamento),
   textos, imagens e código próprios. Feita para celular primeiro (90% do acesso). */

:root {
  --navy: #0c3550;
  --navy-2: #124565;
  --blue: #207eaa;
  --blue-2: #4a90d9;
  --cyan: #7ccfd8;
  --ice: #eef7fb;
  --ink: #0f2433;
  --body: #3b5160;
  --accent: #ffa31a;
  --accent-2: #ffb84d;
  --green: #1faa59;
  --line: #d4e3ec;
  --wrap: 72rem;
  --pad: 1.25rem;
  --r: 1rem;
  --font: "Figtree", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --header-h: 4rem;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 1rem); -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font); font-size: 1rem; line-height: 1.55; color: var(--body); background: #fff; padding-bottom: 4.5rem; -webkit-font-smoothing: antialiased; }
img, video, svg { display: block; max-width: 100%; }
[hidden] { display: none !important; }
a { color: inherit; text-decoration: none; }
button, select { font: inherit; }
h1, h2, h3, p, ul, ol { margin: 0; }
ul, ol { padding: 0; list-style: none; }
h1, h2, h3 { color: var(--ink); line-height: 1.08; letter-spacing: -.02em; font-weight: 800; }
h2 { font-size: clamp(1.75rem, 6.2vw, 2.75rem); }
h3 { font-size: 1.15rem; letter-spacing: -.01em; }
svg { fill: none; }

.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--pad); }
.section { padding-block: clamp(3rem, 9vw, 6rem); }
.eyebrow { display: inline-block; font-size: .8rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--blue); margin-bottom: .75rem; }
.eyebrow--light { color: var(--cyan); }

/* Botões */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .55rem; min-height: 3.25rem; padding: .75rem 1.5rem; border-radius: 100rem; border: 0; font-weight: 700; font-size: 1rem; cursor: pointer; transition: transform .25s, background-color .25s, box-shadow .25s; }
.btn svg { width: 1.25em; height: 1.25em; flex: none; }
.btn--accent { background: var(--accent); color: var(--ink); box-shadow: 0 .5rem 1.25rem -.5rem #ffa31a99; }
.btn--accent:hover { background: var(--accent-2); transform: translateY(-2px); }
.btn--s { min-height: 2.5rem; padding: .4rem 1.1rem; font-size: .9rem; }

/* Barra superior e cabeçalho */
.topbar { display: none; }
.header { position: sticky; top: 0; z-index: 50; display: flex; align-items: center; justify-content: space-between; gap: 1rem; height: var(--header-h); padding-inline: var(--pad); background: #fff; box-shadow: 0 1px 0 var(--line); }
.header__logo img { height: 2.1rem; width: auto; }
.header__nav { display: none; }
.header__cta { display: flex; align-items: center; gap: .6rem; }
.icon-btn { display: grid; place-items: center; width: 2.5rem; height: 2.5rem; border-radius: 50%; background: var(--ice); color: var(--blue); }
.icon-btn svg { width: 1.2rem; height: 1.2rem; }

/* Topo da página */
.hero { position: relative; isolation: isolate; color: #fff; min-height: calc(100svh - var(--header-h) - 4.5rem); display: flex; align-items: flex-end; overflow: hidden; background: var(--navy); }
.hero__video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.hero__shade { position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, #0c3550b8 0%, #0c355099 40%, #0c3550f2 100%); }
.hero__grid { display: grid; gap: 1.75rem; padding-block: 2.5rem 2rem; }
.hero h1 { color: #fff; font-size: clamp(2.2rem, 9.4vw, 4rem); max-width: 14em; }
.hero__lead { margin-top: 1rem; font-size: 1.1rem; max-width: 30em; color: #e4f1f8; }
.quote { background: #fff; color: var(--body); border-radius: var(--r); padding: 1.1rem; box-shadow: 0 1.5rem 3rem -1rem #00000066; }
.quote__label { display: block; font-weight: 700; color: var(--ink); margin-bottom: .6rem; }
.quote__row { display: grid; gap: .65rem; }
.quote select { width: 100%; min-height: 3.25rem; padding: .6rem 2.5rem .6rem 1rem; border: 1.5px solid var(--line); border-radius: .75rem; background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23207eaa' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") no-repeat right .8rem center / 1.2rem; color: var(--ink); font-weight: 600; appearance: none; -webkit-appearance: none; }
.quote select:focus-visible { outline: 3px solid var(--blue-2); outline-offset: 1px; }
.quote__note { margin-top: .6rem; font-size: .8rem; color: #6b7f8c; }

/* Marcas */
.brands { background: #fff; padding-block: 1.75rem; border-block: 1px solid var(--line); }
.brands__title { text-align: center; font-size: .8rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--blue); margin-bottom: 1.1rem; }
.brands__marquee { overflow: hidden; -webkit-mask: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.brands__list { display: flex; width: max-content; align-items: center; gap: 2.5rem; padding-right: 2.5rem; animation: brands 32s linear infinite; }
.brands__list li { display: grid; place-items: center; flex: none; width: 6.2rem; height: 2.9rem; }
.brands__list img { width: auto; height: auto; max-width: 100%; max-height: 100%; object-fit: contain; }
@keyframes brands { to { transform: translateX(-50%); } }

/* Serviços */
.services h2 { max-width: 16em; }
.cards { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; margin-top: 2rem; }
.card { display: flex; flex-direction: column; gap: .5rem; padding: 1.1rem; background: var(--ice); border: 1px solid var(--line); border-radius: var(--r); }
.card__ico { width: 2.75rem; height: 2.75rem; color: var(--blue); margin-bottom: .35rem; }
.card h3 { font-size: 1.02rem; }
.card p { font-size: .9rem; line-height: 1.45; }
.cards .card:nth-child(5) { grid-column: 1 / -1; }
.card--cta { grid-column: 1 / -1; align-items: center; background: var(--navy); border-color: var(--navy); }
.card--cta h3 { color: #fff; }
.card--cta p { color: #cfe3ee; }
.card--cta .card__ico { color: var(--cyan); }
.card--cta .btn { margin-top: .6rem; white-space: nowrap; }

/* Vídeo */
.video { background: var(--navy); color: #cfe3ee; }
.video h2 { color: #fff; }
.video__grid { display: grid; gap: 2rem; align-items: center; }
.video__copy { display: grid; gap: 1rem; justify-items: start; }
.video__copy p { font-size: 1.05rem; }
.video__tabs { display: inline-flex; padding: .3rem; gap: .25rem; border-radius: 100rem; background: var(--navy-2); }
.video__tabs button { min-height: 2.6rem; padding: .4rem 1.25rem; border: 0; border-radius: 100rem; background: transparent; color: #cfe3ee; font-weight: 700; cursor: pointer; transition: background-color .25s, color .25s; }
.video__tabs button[aria-selected="true"] { background: var(--accent); color: var(--ink); }
.video__player { position: relative; width: min(100%, 22rem); margin-inline: auto; aspect-ratio: 9 / 16; border-radius: 1.25rem; overflow: hidden; background: #000; box-shadow: 0 1.5rem 3rem -1rem #000a; }
.video__player video, .video__play, .video__play img { width: 100%; height: 100%; object-fit: cover; }
.video__play { position: relative; padding: 0; border: 0; cursor: pointer; background: #000; display: block; }
.video__play span { position: absolute; inset: 0; display: grid; place-items: center; background: linear-gradient(180deg, transparent 40%, #0c355099); }
.video__play span svg { width: 4.5rem; height: 4.5rem; padding: 1.2rem 1.1rem 1.2rem 1.4rem; border-radius: 50%; background: var(--accent); color: var(--ink); box-shadow: 0 0 0 .6rem #ffa31a55; transition: transform .3s; }
.video__play:hover span svg { transform: scale(1.08); }

/* Por que cuidar */
.why { background: #fff; }
.why__list { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; margin-top: 1.75rem; }
.why__list li { display: flex; align-items: flex-start; gap: .65rem; padding: 1rem; border: 1px solid var(--line); border-radius: var(--r); font-weight: 700; color: var(--ink); line-height: 1.3; }
.why__list svg { flex: none; width: 1.6rem; height: 1.6rem; padding: .3rem; border-radius: 50%; background: var(--blue); color: #fff; }

/* Trabalhos */
.work { background: var(--ice); }
.gallery { display: grid; grid-template-columns: 1fr 1fr; gap: .6rem; margin-top: 2rem; }
.gallery li { overflow: hidden; border-radius: var(--r); background: #dbe8ef; aspect-ratio: 1; }
.gallery img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.gallery li:hover img { transform: scale(1.05); }

/* Como funciona */
.steps { background: var(--navy); color: #cfe3ee; }
.steps h2 { color: #fff; }
.steps__list { display: grid; gap: 1rem; margin-top: 2rem; counter-reset: s; }
.steps__list li { display: grid; grid-template-columns: auto 1fr; column-gap: 1rem; row-gap: .25rem; padding: 1.2rem; background: var(--navy-2); border-radius: var(--r); }
.steps__list span { grid-row: 1 / span 2; display: grid; place-items: center; width: 2.75rem; height: 2.75rem; border-radius: 50%; background: var(--accent); color: var(--ink); font-weight: 800; font-size: 1.2rem; }
.steps__list h3 { color: #fff; align-self: end; }
.steps__list p { font-size: .95rem; }

/* Área */
.area { background: #fff; }
.area__box { display: grid; gap: 1rem; justify-items: start; padding: clamp(1.5rem, 5vw, 3rem); max-width: calc(var(--wrap) - 2 * var(--pad)); background: linear-gradient(135deg, var(--blue) 0%, var(--navy) 100%); border-radius: 1.5rem; color: #e4f1f8; }
.area h2 { color: #fff; max-width: 14em; }
.area p { font-size: 1.05rem; max-width: 32em; }

/* Rodapé */
.footer { background: #082a40; color: #b9d0de; padding-top: 3rem; }
.footer__grid { display: grid; gap: 1.5rem; padding-bottom: 2rem; }
.footer__logo { height: 2.6rem; width: auto; }
.footer__links { display: grid; gap: .8rem; }
.footer__links a { display: inline-flex; align-items: center; gap: .6rem; font-weight: 600; }
.footer__links svg, .footer__bottom svg { width: 1.2rem; height: 1.2rem; flex: none; }
.footer__links a:hover, .footer__bottom a:hover { color: #fff; }
.footer__bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem 1.5rem; padding-block: 1.25rem; border-top: 1px solid #ffffff1f; font-size: .85rem; }
.footer__bottom a { display: inline-flex; align-items: center; gap: .5rem; }

/* Barra de contato fixa (celular) */
.dock { position: fixed; z-index: 60; inset: auto 0 0 0; display: grid; grid-template-columns: 1fr 1.4fr; gap: .6rem; padding: .6rem var(--pad) calc(.6rem + env(safe-area-inset-bottom)); background: #fff; box-shadow: 0 -1px 0 var(--line), 0 -.5rem 1.5rem -.75rem #0c35504d; }
.dock a { display: inline-flex; align-items: center; justify-content: center; gap: .55rem; min-height: 3rem; border-radius: 100rem; font-weight: 800; }
.dock svg { width: 1.3rem; height: 1.3rem; }
.dock__call { background: var(--ice); color: var(--blue); }
.dock__wa { background: var(--green); color: #fff; }

/* Entradas suaves */
[data-reveal] { opacity: 0; transform: translateY(1.25rem); transition: opacity .7s ease, transform .7s cubic-bezier(.19, 1, .22, 1); }
[data-reveal].is-in { opacity: 1; transform: none; }
.no-js [data-reveal] { opacity: 1; transform: none; }

/* Textos centralizados (celular primeiro) */
.hero__copy, .services, .video__copy, .why, .work, .steps, .area__box, .footer__grid, .footer__bottom { text-align: center; }
.hero h1, .hero__lead, .services h2, .area h2 { margin-inline: auto; }
.card { align-items: center; text-align: center; }
.card__ico { margin-inline: auto; }
.video__copy, .area__box { justify-items: center; }
.video__tabs { margin-inline: auto; }
.why__list li { flex-direction: column; align-items: center; text-align: center; gap: .5rem; }
.steps__list li { grid-template-columns: 1fr; justify-items: center; text-align: center; }
.steps__list span { grid-row: auto; }
.footer__links { justify-items: center; }
.footer__logo { margin-inline: auto; }
.footer__bottom { justify-content: center; }

/* Telas maiores */
@media (min-width: 768px) {
  :root { --pad: 2rem; --header-h: 4.75rem; }
  body { padding-bottom: 0; }
  .dock { display: none; }
  .topbar { display: flex; justify-content: space-between; gap: 1rem; padding: .5rem var(--pad); background: var(--navy); color: #cfe3ee; font-size: .85rem; }
  .topbar a { display: inline-flex; align-items: center; gap: .4rem; font-weight: 700; color: #fff; }
  .topbar svg { width: 1rem; height: 1rem; }
  .header__logo img { height: 2.6rem; }
  .header__nav { display: flex; gap: 1.75rem; font-weight: 600; color: var(--ink); }
  .header__nav a:hover { color: var(--blue); }
  .hero { min-height: min(46rem, calc(100svh - var(--header-h))); align-items: center; }
  .hero__grid { grid-template-columns: 1.2fr 1fr; align-items: center; gap: 3rem; padding-block: 4rem; }
  .hero__copy { text-align: left; }
  .hero h1, .hero__lead { margin-inline: 0; }
  .video__copy { text-align: left; justify-items: start; }
  .video__tabs { margin-inline: 0; }
  .footer__grid { text-align: left; }
  .footer__logo { margin-inline: 0; }
  .footer__links { justify-items: start; }
  .cards .card:nth-child(5), .card--cta { grid-column: auto; }
  .quote { padding: 1.5rem; }
  .cards { grid-template-columns: repeat(3, 1fr); gap: 1rem; }
  .card { padding: 1.5rem; }
  .card p { font-size: .95rem; }
  .video__grid { grid-template-columns: 1.1fr 1fr; gap: 4rem; }
  .why__list { grid-template-columns: repeat(4, 1fr); }
  .gallery { grid-template-columns: repeat(3, 1fr); gap: 1rem; }
  .steps__list { grid-template-columns: repeat(3, 1fr); }
  .steps__list li { grid-template-columns: 1fr; row-gap: .6rem; padding: 1.75rem; }
  .steps__list span { grid-row: auto; }
  .footer__grid { grid-template-columns: 1fr auto; align-items: center; }
  .footer__links { grid-auto-flow: column; gap: 1.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .brands__list { animation: none; width: auto; flex-wrap: wrap; justify-content: center; gap: 1.1rem 1.6rem; padding: 0; }
  .brands__marquee { -webkit-mask: none; mask: none; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  .btn, .gallery img { transition: none; }
}