/* Engeserv Refrigeração — cores oficiais do manual da marca */
:root {
  --azul: #273287;
  --azul-escuro: #1d2569;
  --marinho: #14152B;
  --ar: #3FA9F5;
  --calor: #F5B800;
  --branco: #FFFFFF;
  --tinta: #14152B;
  --texto: #3c4160;
  --suave: #6b7090;
  --linha: #e3e7f1;
  --fundo-tom: #f4f7fc;
  --wa: #25D366;
  --raio: 14px;
  --sombra: 0 1px 2px rgba(20, 21, 43, .06), 0 8px 24px rgba(20, 21, 43, .06);
  --header-h: 68px;
  --titulo: 'Montserrat', system-ui, sans-serif;
  --corpo: 'Inter', system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 400 16px/1.6 var(--corpo); color: var(--texto); background: var(--branco); }
img { max-width: 100%; display: block; height: auto; }
a { color: var(--azul); }
h1, h2, h3 { font-family: var(--titulo); color: var(--tinta); line-height: 1.2; margin: 0; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
.container { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 16px; }
.nowrap { white-space: nowrap; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: absolute; left: 12px; top: -60px; background: var(--azul); color: #fff; padding: 10px 14px; border-radius: 8px; z-index: 100; }
.skip-link:focus { top: 12px; }
.ico { width: 20px; height: 20px; flex: none; }
:focus-visible { outline: 3px solid var(--ar); outline-offset: 2px; }

/* ---------- Botões ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 46px; padding: 0 18px; border-radius: 10px; border: 2px solid transparent;
  font: 600 15px/1.2 var(--corpo); text-decoration: none; cursor: pointer;
  transition: background-color .15s, color .15s, border-color .15s, transform .15s;
}
.btn:active { transform: translateY(1px); }
.btn--lg { min-height: 52px; padding: 0 24px; font-size: 16px; }
.btn--primary { background: var(--azul); color: #fff; }
.btn--primary:hover { background: var(--azul-escuro); }
.btn--accent { background: var(--calor); color: var(--marinho); }
.btn--accent:hover { background: #ffc61f; }
.btn--outline { background: #fff; color: var(--azul); border-color: #cfd5ec; }
.btn--outline:hover { border-color: var(--azul); }
.btn--ghost { color: #fff; border-color: rgba(255, 255, 255, .45); background: transparent; }
.btn--ghost:hover { border-color: var(--ar); color: #fff; background: rgba(63, 169, 245, .12); }

/* ---------- Cabeçalho ---------- */
.header { position: sticky; top: 0; z-index: 50; background: #fff; border-bottom: 1px solid transparent; transition: border-color .2s, box-shadow .2s; }
.header--scrolled { border-bottom-color: var(--linha); box-shadow: 0 4px 18px rgba(20, 21, 43, .06); }
.header__inner { height: var(--header-h); display: flex; align-items: center; gap: 16px; }
.header__logo img { height: 34px; width: auto; }
.header__logo { margin-right: auto; }
.nav { display: none; }
.header__cta { display: none; }
.nav-toggle { display: grid; place-items: center; width: 44px; height: 44px; border: 0; border-radius: 10px; background: var(--fundo-tom); color: var(--azul); cursor: pointer; }
.nav-toggle .ico { width: 24px; height: 24px; }
.nav-toggle .ico--close, .header--menu .nav-toggle .ico--open { display: none; }
.header--menu .nav-toggle .ico--close { display: block; }
.header--menu .nav {
  display: flex; flex-direction: column; position: absolute; top: var(--header-h); left: 0; right: 0;
  background: #fff; border-bottom: 1px solid var(--linha); padding: 8px 16px 16px; box-shadow: 0 16px 24px rgba(20, 21, 43, .08);
}
.nav a { color: var(--tinta); font-weight: 600; text-decoration: none; padding: 12px 4px; border-bottom: 1px solid var(--linha); }
.nav a:last-child { border-bottom: 0; }
.nav a:hover { color: var(--azul); }

/* ---------- Banner ---------- */
.hero { position: relative; overflow: hidden; background: linear-gradient(140deg, var(--azul) 0%, #1e2770 45%, var(--marinho) 100%); color: #dfe4ff; }
.hero__marca { position: absolute; width: 520px; height: 520px; right: -230px; bottom: -150px; opacity: .16; --m-chevron: #fff; }
.hero__inner { position: relative; padding: 48px 16px 56px; }
.hero h1 { color: #fff; font-size: clamp(30px, 7.4vw, 54px); font-weight: 800; letter-spacing: -.02em; max-width: 760px; }
.hero__sub { margin-top: 16px; font-size: 17px; max-width: 600px; color: #c9d0f3; }
.hero__actions { display: flex; flex-direction: column; gap: 12px; margin-top: 28px; }
.hero__points { display: grid; gap: 10px; margin-top: 32px; font-size: 14px; color: #fff; }
.hero__points li { display: flex; align-items: center; gap: 10px; }
.hero__points .ico { color: var(--ar); }
.status-chip { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 500; color: #dfe4ff; background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .16); padding: 6px 12px; border-radius: 99px; margin-bottom: 20px; }
.status-chip::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: #9aa3c7; }
.status-chip--open::before { background: #3ddc84; box-shadow: 0 0 0 4px rgba(61, 220, 132, .2); }

/* ---------- Seções ---------- */
.section { padding: 56px 0; }
.section--tint { background: var(--fundo-tom); }
.section__head { margin-bottom: 28px; max-width: 720px; }
.section__head--center { text-align: center; margin-left: auto; margin-right: auto; }
.section__head h2, .about h2, .partner h2 { font-size: clamp(25px, 5.4vw, 36px); font-weight: 800; letter-spacing: -.015em; }
.section__lead { margin-top: 10px; color: var(--suave); }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font: 700 12px/1 var(--titulo); text-transform: uppercase; letter-spacing: .14em; color: var(--azul); margin-bottom: 12px; }
.eyebrow svg { width: 22px; height: 22px; }
.eyebrow--light { color: var(--ar); --m-chevron: #fff; }

/* ---------- Categorias ---------- */
.categories { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
@media (max-width: 899px) { .category:last-child:nth-child(odd) { grid-column: 1 / -1; } }
.category {
  display: grid; grid-template-columns: 1fr; row-gap: 10px; column-gap: 14px; align-items: center; align-content: start;
  text-align: left; background: #fff; border: 1px solid var(--linha); border-radius: var(--raio); padding: 14px; cursor: pointer;
  font: inherit; color: inherit; transition: border-color .15s, box-shadow .15s, transform .15s; position: relative; overflow: hidden;
}
.category::after { content: ''; position: absolute; right: 14px; top: 14px; width: 8px; height: 8px; background: var(--calor); transform: rotate(45deg); opacity: 0; transition: opacity .15s; }
.category:hover { border-color: var(--ar); box-shadow: var(--sombra); transform: translateY(-2px); }
.category:hover::after { opacity: 1; }
.category__ico { width: 52px; height: 52px; border-radius: 12px; background: #eaf5fe; color: var(--azul); display: grid; place-items: center; }
.category__ico svg { width: 30px; height: 30px; }
.category__text strong { display: block; font: 700 15px/1.3 var(--titulo); color: var(--tinta); }
.category__text small { display: none; font-size: 13.5px; color: var(--suave); margin-top: 2px; line-height: 1.45; }
.category__count { font-size: 12px; font-weight: 600; color: var(--azul); margin-top: 6px; }

/* ---------- Catálogo ---------- */
.catalog__tools { display: grid; gap: 14px; margin-bottom: 14px; }
.search { display: flex; align-items: center; gap: 10px; background: #fff; border: 1px solid #d5dbec; border-radius: 12px; padding: 0 14px; height: 52px; color: var(--suave); }
.search:focus-within { border-color: var(--azul); box-shadow: 0 0 0 3px rgba(63, 169, 245, .25); }
.search input { flex: 1; border: 0; outline: 0; font: 400 16px var(--corpo); color: var(--tinta); background: transparent; min-width: 0; height: 100%; }
.chips { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 4px; margin: 0 -16px; padding-left: 16px; padding-right: 16px; scrollbar-width: none; }
.chips::-webkit-scrollbar { display: none; }
.chip { flex: none; border: 1px solid #d5dbec; background: #fff; color: var(--texto); font: 600 14px var(--corpo); padding: 9px 14px; border-radius: 99px; cursor: pointer; }
.chip:hover { border-color: var(--azul); color: var(--azul); }
.chip[aria-pressed="true"] { background: var(--azul); border-color: var(--azul); color: #fff; }
.catalog__count { font-size: 13px; color: var(--suave); margin-bottom: 14px; }
.products { display: grid; gap: 16px; }
.product { background: #fff; border: 1px solid var(--linha); border-radius: var(--raio); overflow: hidden; display: flex; flex-direction: column; transition: box-shadow .15s; }
.product:hover { box-shadow: var(--sombra); }
.product__img { position: relative; aspect-ratio: 4 / 3; background: #eef3fb; }
.product__img img { width: 100%; height: 100%; object-fit: cover; }
.product__tag { position: absolute; left: 12px; top: 12px; background: rgba(255, 255, 255, .92); color: var(--azul); font-size: 11.5px; font-weight: 600; padding: 4px 9px; border-radius: 99px; }
.product__body { padding: 16px; display: flex; flex-direction: column; flex: 1; }
.product__body h3 { font-size: 17px; font-weight: 700; }
.product__body > p { font-size: 14px; color: var(--suave); margin-top: 6px; line-height: 1.5; }
.specs { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.specs li { font-size: 12.5px; font-weight: 500; color: var(--azul); background: #eef1fb; padding: 4px 9px; border-radius: 6px; }
.price { margin-top: auto; padding-top: 14px; font: 800 20px var(--titulo); color: var(--tinta); }
.price--ask { font: 600 14px var(--corpo); color: var(--suave); }
.price--ask::before { content: ''; display: inline-block; width: 8px; height: 8px; background: var(--calor); transform: rotate(45deg); margin-right: 8px; vertical-align: 1px; }
.product__actions { display: grid; gap: 8px; margin-top: 12px; }
.product__actions .btn { min-height: 44px; font-size: 14px; }
.empty { text-align: center; background: #fff; border: 1px dashed #cfd5ec; border-radius: var(--raio); padding: 36px 20px; }
.empty strong { font-family: var(--titulo); color: var(--tinta); }
.empty p { color: var(--suave); margin: 6px 0 18px; }

/* ---------- Kits ---------- */
.kits { display: grid; gap: 16px; }
.kit { position: relative; background: #fff; border: 1px solid var(--linha); border-radius: var(--raio); padding: 22px 20px 20px; display: flex; flex-direction: column; overflow: hidden; }
.kit::before { content: ''; position: absolute; left: 0; top: 0; right: 0; height: 4px; background: linear-gradient(90deg, var(--azul) 0 60%, var(--ar) 60% 90%, var(--calor) 90%); }
.kit__label { font: 700 12px var(--titulo); text-transform: uppercase; letter-spacing: .12em; color: var(--ar); }
.kit__btus { font: 800 34px/1.1 var(--titulo); color: var(--azul); margin-top: 6px; letter-spacing: -.02em; }
.kit__btus span { font-size: 16px; color: var(--tinta); letter-spacing: 0; }
.kit ul { margin-top: 14px; display: grid; gap: 8px; font-size: 14.5px; }
.kit li { display: flex; gap: 8px; align-items: flex-start; }
.kit li .ico { width: 18px; height: 18px; color: var(--ar); margin-top: 2px; }
.kit .btn { margin-top: 14px; }

/* ---------- Como comprar ---------- */
.steps { display: grid; gap: 16px; counter-reset: passo; }
.step { position: relative; background: #fff; border: 1px solid var(--linha); border-radius: var(--raio); padding: 24px 20px; }
.step__num { position: absolute; right: 18px; top: 14px; font: 800 44px/1 var(--titulo); color: #e8ecf8; }
.step__ico { width: 46px; height: 46px; color: var(--azul); background: #eaf5fe; border-radius: 12px; padding: 10px; }
.step h3 { font-size: 18px; margin-top: 16px; }
.step p { font-size: 14.5px; color: var(--suave); margin-top: 6px; }

/* ---------- Técnicos e empresas ---------- */
.partner { position: relative; overflow: hidden; background: var(--marinho); color: #c9d0f3; padding: 56px 0; }
.partner__marca { position: absolute; width: 380px; height: 380px; left: -190px; top: -60px; opacity: .1; --m-chevron: #fff; }
.partner__inner { position: relative; display: grid; gap: 24px; }
.partner h2 { color: #fff; }
.partner p { margin-top: 12px; max-width: 620px; }

/* ---------- Sobre ---------- */
.about { display: grid; gap: 32px; }
.about > div > p { margin-top: 14px; }
.checks { display: grid; gap: 10px; margin-top: 20px; }
.checks li { display: flex; gap: 10px; align-items: center; font-weight: 500; color: var(--tinta); }
.checks .ico { color: #fff; background: var(--ar); border-radius: 50%; padding: 3px; width: 22px; height: 22px; }
.cities { background: var(--fundo-tom); border-radius: var(--raio); padding: 22px 20px; align-self: start; }
.cities h3 { display: flex; align-items: center; gap: 8px; font-size: 18px; }
.cities h3 .ico { color: var(--azul); }
.cities ul { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.cities li { background: #fff; border: 1px solid var(--linha); padding: 8px 12px; border-radius: 99px; font-size: 14px; font-weight: 500; color: var(--tinta); }
.cities li:last-child { background: transparent; border-style: dashed; color: var(--suave); }
.cities__main { background: var(--azul) !important; color: #fff !important; border-color: var(--azul) !important; }
.cities__main span { font-size: 11px; font-weight: 700; background: var(--calor); color: var(--marinho); padding: 1px 7px; border-radius: 99px; margin-left: 4px; text-transform: uppercase; }

/* ---------- Contato ---------- */
.contact { display: grid; gap: 24px; }
.contact__info { display: grid; gap: 10px; align-content: start; }
.contact__item { display: flex; gap: 14px; align-items: flex-start; background: #fff; border: 1px solid var(--linha); border-radius: 12px; padding: 14px 16px; text-decoration: none; color: var(--tinta); font-weight: 500; overflow-wrap: anywhere; }
a.contact__item:hover { border-color: var(--ar); }
.contact__item .ico { color: var(--azul); width: 22px; height: 22px; margin-top: 2px; }
.contact__item small { display: block; font-size: 12px; font-weight: 600; color: var(--suave); text-transform: uppercase; letter-spacing: .06em; }
.contact__item--wa .ico { color: #1faa53; }
.map { border-radius: 12px; overflow: hidden; border: 1px solid var(--linha); aspect-ratio: 4 / 3; background: #e9edf5; }
.map iframe { width: 100%; height: 100%; border: 0; display: block; }
.form { background: #fff; border: 1px solid var(--linha); border-radius: var(--raio); padding: 22px 18px; display: grid; gap: 14px; align-content: start; }
.form h3 { font-size: 20px; }
.form__hint { font-size: 14px; color: var(--suave); margin-top: -6px; }
.form label { display: grid; gap: 6px; font-size: 14px; font-weight: 600; color: var(--tinta); }
.form input, .form textarea { font: 400 16px var(--corpo); color: var(--tinta); border: 1px solid #d5dbec; border-radius: 10px; padding: 12px 14px; width: 100%; background: #fff; }
.form textarea { resize: vertical; min-height: 110px; }
.form input:focus, .form textarea:focus { outline: 0; border-color: var(--azul); box-shadow: 0 0 0 3px rgba(63, 169, 245, .25); }
.form__error { color: #b3261e; font-size: 14px; font-weight: 500; }
.form__actions { display: grid; gap: 10px; }

/* ---------- Rodapé ---------- */
.footer { background: var(--marinho); color: #aab1d6; padding: 48px 0 calc(90px + env(safe-area-inset-bottom)); font-size: 14.5px; }
.footer__grid { display: grid; gap: 32px; }
.footer__logo { width: 190px; margin-bottom: 14px; }
.footer h3 { color: #fff; font-size: 15px; margin-bottom: 12px; }
.footer ul { display: grid; gap: 8px; }
.footer a { color: #dfe4ff; text-decoration: none; }
.footer a:hover { color: var(--ar); }
.footer__bottom { margin-top: 36px; padding-top: 20px; border-top: 1px solid rgba(255, 255, 255, .1); display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: #8a91b8; }

/* ---------- WhatsApp flutuante ---------- */
.wa-float {
  position: fixed; right: 16px; bottom: calc(16px + env(safe-area-inset-bottom)); z-index: 60;
  width: 58px; height: 58px; border-radius: 50%; background: var(--wa); color: #fff; display: grid; place-items: center;
  box-shadow: 0 6px 20px rgba(37, 211, 102, .4), 0 2px 6px rgba(0, 0, 0, .15); transition: transform .15s;
}
.wa-float:hover { transform: scale(1.06); }
.wa-float svg { width: 32px; height: 32px; }

/* No celular o card fica deitado (foto pequena à esquerda) para rolar a lista mais rápido */
@media (max-width: 559px) {
  .product { display: grid; grid-template-columns: 92px 1fr; align-items: start; }
  .product__img { aspect-ratio: 1; margin: 14px 0 0 14px; border-radius: 10px; overflow: hidden; }
  .product__tag { display: none; }
  .product__body { padding: 14px; }
  .product__body h3 { font-size: 16px; }
  .product__body > p { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
  .price { padding-top: 10px; }
}

/* ---------- Telas maiores ---------- */
@media (min-width: 560px) {
  .hero__actions { flex-direction: row; flex-wrap: wrap; }
  .products, .kits { grid-template-columns: repeat(2, 1fr); }
  .category { grid-template-columns: auto 1fr; padding: 16px; }
  .category__ico { grid-row: 1 / 3; }
  .category__text small { display: block; }
  .category__count { grid-column: 2; }
  .form__actions { grid-template-columns: 1fr 1fr; }
  .footer__bottom { flex-direction: row; justify-content: space-between; }
}

@media (min-width: 900px) {
  :root { --header-h: 78px; }
  .container { padding: 0 28px; }
  .header__logo img { height: 40px; }
  .nav { display: flex; gap: 4px; }
  .nav a { border: 0; padding: 8px 12px; border-radius: 8px; font-size: 15px; }
  .nav a:hover { background: var(--fundo-tom); }
  .header__cta { display: inline-flex; }
  .nav-toggle { display: none; }
  .header--menu .nav { position: static; flex-direction: row; padding: 0; box-shadow: none; border: 0; }
  .hero__inner { padding: 88px 28px 96px; }
  .hero__marca { width: 760px; height: 760px; right: -220px; bottom: -230px; opacity: .2; }
  .hero__sub { font-size: 19px; }
  .hero__points { grid-template-columns: repeat(3, auto); justify-content: start; gap: 28px; }
  .section, .partner { padding: 88px 0; }
  .section__head { margin-bottom: 36px; }
  .categories { grid-template-columns: repeat(4, 1fr); gap: 16px; }
  .category { padding: 20px; }
  .catalog__tools { grid-template-columns: minmax(260px, 340px) 1fr; align-items: center; }
  .chips { margin: 0; padding: 0 0 4px; flex-wrap: wrap; }
  .products { grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .kits { grid-template-columns: repeat(4, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .partner__inner { grid-template-columns: 1fr auto; align-items: center; gap: 40px; }
  .about { grid-template-columns: 1.3fr 1fr; gap: 56px; }
  .contact { grid-template-columns: 1fr 1fr; gap: 28px; }
  .form { padding: 28px; }
  .footer__grid { grid-template-columns: 1.4fr 1fr 1.4fr; }
  .footer { padding-bottom: 28px; }
}

@media (min-width: 1140px) {
  .products { grid-template-columns: repeat(4, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}