/* ============================================================
   Huawei Digital Truck — huaweidigitaltruck.com.br
   Paleta: Vermelho Huawei (#c7000b) e grafite (#222) — ousado e tecnológico
   Layout: Tecnológico/Futurista — faixas diagonais, cards escuros, energia vermelha
   Fontes: Ruda (títulos) / Abel (corpo) / Lilita One (botões e etiquetas)
   ============================================================ */

:root {
    --cor-primaria: #c7000b;
    --cor-secundaria: #1e1e20;
    --cor-fundo: #f6f4f4;
    --cor-texto: #232323;
    --cor-fundo-footer: #17171a;
    --cor-texto-footer: #f2eaea;
    --cor-borda: #e0d8d8;
    --fonte-titulo: "Ruda", "Segoe UI", sans-serif;
    --fonte-corpo: "Abel", "Segoe UI", Arial, sans-serif;
    --fonte-botao: "Lilita One", "Ruda", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: var(--fonte-corpo);
    font-size: 1.06rem;
    background: var(--cor-fundo);
    color: var(--cor-texto);
    line-height: 1.7;
}

.container { width: 90%; max-width: 1120px; margin: 0 auto; }

a { color: var(--cor-primaria); }
strong { color: #141414; }

/* ---------- Cabeçalho ---------- */
.site-header {
    background: var(--cor-secundaria);
    border-bottom: 4px solid var(--cor-primaria);
    padding: .9rem 0;
}
.site-header .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; }
.brand-block { display: flex; align-items: center; gap: .65rem; text-decoration: none; }
.brand-plate {
    font-family: var(--fonte-botao);
    font-size: 1.05rem;
    color: #fff;
    background: var(--cor-primaria);
    padding: .3rem .6rem;
    border-radius: 6px;
    letter-spacing: .04em;
    box-shadow: inset 0 -3px 0 rgba(0,0,0,.3);
}
.brand-name {
    font-family: var(--fonte-titulo);
    font-weight: 800;
    color: #fff;
    font-size: 1.3rem;
    text-transform: uppercase;
    letter-spacing: .03em;
}
.brand-name em { color: #ff5a54; font-style: normal; }
.main-navigation ul { list-style: none; display: flex; gap: 1.15rem; }
.main-navigation a {
    color: #cfc8c8;
    text-decoration: none;
    font-size: .95rem;
}
.main-navigation a:hover { color: #ff5a54; }

/* ---------- Hero ---------- */
.hero {
    background:
        repeating-linear-gradient(-55deg, rgba(199,0,11,.07) 0 18px, transparent 18px 36px),
        linear-gradient(105deg, #17171a 0%, #26262b 55%, #3a1013 100%);
    color: #fff;
    padding: 5rem 0 4.6rem;
    position: relative;
    overflow: hidden;
}
.hero::after {
    content: "";
    position: absolute;
    right: -80px; top: -80px;
    width: 260px; height: 260px;
    border: 34px solid rgba(199,0,11,.3);
    border-radius: 50%;
}
.hero-chip {
    display: inline-block;
    font-family: var(--fonte-botao);
    font-size: .82rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: #ffd7d4;
    background: var(--cor-primaria);
    padding: .32rem 1rem;
    border-radius: 6px;
    margin-bottom: 1.25rem;
}
.hero h1 {
    font-family: var(--fonte-titulo);
    font-weight: 800;
    font-size: 2.45rem;
    line-height: 1.22;
    max-width: 800px;
    margin-bottom: 1.1rem;
}
.hero-subtitle { font-size: 1.12rem; max-width: 760px; color: #d9d4d4; margin-bottom: 2rem; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

.cta-btn {
    display: inline-block;
    padding: .78rem 1.75rem;
    font-family: var(--fonte-botao);
    font-size: .98rem;
    letter-spacing: .02em;
    text-decoration: none;
    border-radius: 8px;
    transition: transform .18s ease, box-shadow .18s ease;
}
.cta-solid { background: var(--cor-primaria); color: #fff; box-shadow: 0 6px 16px rgba(199,0,11,.35); }
.cta-ghost { border: 2px solid rgba(255,255,255,.6); color: #fff; }
.cta-btn:hover { transform: translateY(-3px); box-shadow: 0 12px 24px rgba(0,0,0,.3); }

/* ---------- Conteúdo ---------- */
.main-content { padding: 3.4rem 0 3rem; }
.content-section { margin-bottom: 3rem; }
.content-section > h2 {
    font-family: var(--fonte-titulo);
    font-weight: 800;
    font-size: 1.62rem;
    text-transform: uppercase;
    letter-spacing: .02em;
    color: var(--cor-secundaria);
    margin-bottom: 1.1rem;
    padding-left: .85rem;
    border-left: 6px solid var(--cor-primaria);
}
.content-section p { margin-bottom: 1rem; max-width: 860px; }

/* Demonstradores — grid escuro */
.demo-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.15rem; }
.demo-card {
    background: var(--cor-secundaria);
    color: #e9e4e4;
    border-radius: 14px;
    padding: 1.5rem 1.4rem;
    position: relative;
    overflow: hidden;
    transition: transform .18s ease, background .18s ease;
}
.demo-card::before {
    content: "";
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 5px;
    background: var(--cor-primaria);
}
.demo-card:hover { transform: translateY(-4px); background: #2b2b30; }
.demo-wide { grid-column: span 2; background: linear-gradient(120deg, var(--cor-secundaria) 55%, #4a1215); }
.demo-tag {
    display: inline-block;
    font-family: var(--fonte-botao);
    font-size: .78rem;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: #ffb3ae;
    border: 1px solid rgba(199,0,11,.75);
    border-radius: 999px;
    padding: .18rem .8rem;
    margin-bottom: .7rem;
}
.demo-card h3 { font-family: var(--fonte-titulo); font-size: 1.16rem; color: #fff; margin-bottom: .4rem; }
.demo-card p { font-size: .98rem; color: #cfc8c8; }

/* Setores — lista com marcador quadrado */
.sector-list { list-style: none; max-width: 860px; }
.sector-list li {
    background: #fff;
    border: 1px solid var(--cor-borda);
    border-left: 5px solid var(--cor-primaria);
    border-radius: 10px;
    padding: 1rem 1.35rem;
    margin-bottom: .75rem;
    color: #3c3c3c;
}
.sector-list strong { font-family: var(--fonte-titulo); color: var(--cor-primaria); }

/* Visita — etapas numeradas */
.visit-steps { list-style: none; counter-reset: etapa; max-width: 860px; }
.visit-steps li {
    counter-increment: etapa;
    position: relative;
    background: #fff;
    border: 1px solid var(--cor-borda);
    border-radius: 12px;
    padding: 1.1rem 1.3rem 1.1rem 4.4rem;
    margin-bottom: .8rem;
    color: #3c3c3c;
}
.visit-steps li::before {
    content: counter(etapa, decimal-leading-zero);
    position: absolute;
    left: 1.1rem; top: 1.05rem;
    font-family: var(--fonte-botao);
    font-size: 1.05rem;
    color: #fff;
    background: var(--cor-primaria);
    border-radius: 8px;
    padding: .18rem .5rem;
}
.visit-steps strong { font-family: var(--fonte-titulo); color: #141414; }

/* FAQ */
.faq-accordion { max-width: 860px; }
.faq-accordion details {
    background: #fff;
    border: 1px solid var(--cor-borda);
    border-radius: 10px;
    margin-bottom: .7rem;
    padding: 1rem 1.3rem;
}
.faq-accordion summary {
    font-family: var(--fonte-titulo);
    font-weight: 700;
    color: var(--cor-secundaria);
    cursor: pointer;
}
.faq-accordion details[open] { border-color: var(--cor-primaria); }
.faq-accordion details[open] summary { color: var(--cor-primaria); margin-bottom: .5rem; }
.faq-accordion p { margin: 0; font-size: .99rem; }

/* ---------- Rodapé ---------- */
.site-footer {
    background: var(--cor-fundo-footer);
    color: var(--cor-texto-footer);
    padding: 2.8rem 0 1.4rem;
    margin-top: 2rem;
    border-top: 5px solid var(--cor-primaria);
}
.footer-track { display: grid; grid-template-columns: 1.7fr 1fr 1.5fr; gap: 2rem; margin-bottom: 1.8rem; }
.footer-mark {
    display: block;
    font-family: var(--fonte-titulo);
    font-weight: 800;
    font-size: 1.3rem;
    text-transform: uppercase;
    color: #ff5a54;
    margin-bottom: .5rem;
}
.footer-about p { color: #b9b2b2; font-size: .93rem; max-width: 330px; }
.site-footer h4 {
    font-family: var(--fonte-botao);
    font-size: .82rem;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: #ff8a85;
    margin-bottom: .7rem;
}
.site-footer ul { list-style: none; }
.site-footer li { margin-bottom: .45rem; }
.site-footer a { color: #d5cfcf; text-decoration: none; font-size: .93rem; }
.site-footer a:hover { color: #ff8a85; }
.footer-base {
    border-top: 1px solid rgba(255,255,255,.12);
    padding-top: 1.1rem;
    text-align: center;
    font-size: .86rem;
    color: #938d8d;
}

/* ---------- WhatsApp flutuante ---------- */
.whatsapp-float {
    position: fixed;
    bottom: 1.6rem;
    right: 1.6rem;
    width: 3.4rem;
    height: 3.4rem;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 20px rgba(0,0,0,.3);
    z-index: 999;
    transition: transform .18s ease;
}
.whatsapp-float:hover { transform: scale(1.08); }