/* Identidade RAL: hero de landing + vermelhos profundos */
:root {
    --bg-page: #050505;
    --bg-hero-start: #140808;
    --bg-hero-mid: #1f0c0c;
    --bg-hero-end: #0a0404;
    --red-core: #c62828;
    --red-bright: #ef5350;
    --red-deep: #6d0f0f;
    --red-glow: rgba(198, 40, 40, 0.45);
    --accent: var(--red-core);
    --accent-soft: rgba(198, 40, 40, 0.55);
    --text-primary: #fafafa;
    --text-secondary: #e8e8e8;
    --text-muted: #9e9e9e;
    --rule-height: 4px;
    --content-max: 42rem;
    --footer-inner-max: 62rem;
    --intro-measure: 34rem;
    --hero-inner-max: 48rem;
    --font-body: "DM Sans", system-ui, sans-serif;
    --font-display: "Bebas Neue", Impact, sans-serif;
    --font-accent: "Syne", var(--font-body);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-page);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.65;
    position: relative;
}

/* Vinheta global suave */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    background:
        radial-gradient(ellipse 120% 70% at 50% -20%, var(--red-glow), transparent 55%),
        radial-gradient(ellipse 80% 50% at 100% 50%, rgba(109, 15, 15, 0.2), transparent 50%),
        radial-gradient(ellipse 60% 40% at 0% 80%, rgba(45, 18, 18, 0.35), transparent 45%);
}

.top-accent {
    position: relative;
    z-index: 2;
    height: var(--rule-height);
    width: 100%;
    background: linear-gradient(90deg, var(--red-deep) 0%, var(--red-bright) 45%, var(--red-core) 100%);
}

/* ========== Hero (primeira dobra) ========== */
.main-site {
    position: relative;
    z-index: 1;
    padding-bottom: 2.25rem;
}

/* Hero com mais respiro vertical + transição suave para a faixa inferior */
.hero-site {
    position: relative;
    overflow: hidden;
    min-height: clamp(17rem, 46vh, 30rem);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(2.25rem, 5.5vw, 3.5rem) 1.5rem clamp(2rem, 4.5vw, 3rem);
    border-bottom: none;
    background:
        linear-gradient(165deg, var(--bg-hero-start) 0%, #120606 38%, var(--bg-hero-end) 100%),
        linear-gradient(180deg, transparent 0%, rgba(5, 5, 5, 0.45) 100%);
}

/* Textura em malha / linhas (só CSS) */
.hero-site__mesh {
    position: absolute;
    inset: 0;
    opacity: 0.35;
    background-image:
        repeating-linear-gradient(
            -12deg,
            transparent,
            transparent 2px,
            rgba(255, 255, 255, 0.03) 2px,
            rgba(255, 255, 255, 0.03) 3px
        ),
        repeating-linear-gradient(
            96deg,
            transparent,
            transparent 40px,
            rgba(198, 40, 40, 0.06) 40px,
            rgba(198, 40, 40, 0.06) 41px
        );
    pointer-events: none;
}

/* Reflexo diagonal suave */
.hero-site__shine {
    position: absolute;
    inset: -20% -30%;
    background: linear-gradient(
        125deg,
        transparent 35%,
        rgba(239, 83, 80, 0.08) 48%,
        transparent 62%
    );
    pointer-events: none;
}

/* Letra “R” gigante como marca d’água no hero */
.hero-site__watermark {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-48%, -52%);
    font-family: var(--font-display);
    font-size: clamp(9rem, 28vw, 17rem);
    line-height: 1;
    color: rgba(239, 83, 80, 0.045);
    letter-spacing: 0.02em;
    pointer-events: none;
    user-select: none;
}

.hero-site__inner {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: var(--hero-inner-max);
    margin: 0 auto;
}

.hero-header {
    text-align: center;
}

.brand-lockup {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.15rem;
    padding: 0.35rem 0;
}

/* Wordmark: RAL em destaque + Automotive em linha própria */
.brand-title {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.05rem;
    line-height: 1;
}

.brand-main {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: clamp(3.1rem, 15vw, 5.5rem);
    letter-spacing: 0.07em;
    color: var(--red-bright);
    text-shadow:
        0 0 48px var(--red-glow),
        0 0 20px rgba(239, 83, 80, 0.28),
        0 3px 0 rgba(0, 0, 0, 0.25);
}

.brand-automotive {
    font-family: var(--font-accent);
    font-weight: 700;
    font-size: clamp(1rem, 4.2vw, 1.55rem);
    letter-spacing: 0.34em;
    text-transform: uppercase;
    color: var(--text-primary);
    margin-right: -0.28em;
    margin-top: 0.05rem;
}

.brand-rule {
    height: var(--rule-height);
    width: min(14rem, 78vw);
    margin: 0.85rem auto 0.65rem;
    background: linear-gradient(90deg, transparent, var(--red-deep) 15%, var(--red-bright) 50%, var(--red-deep) 85%, transparent);
    box-shadow: 0 0 16px var(--accent-soft);
}

.brand-tagline {
    font-family: var(--font-accent);
    font-size: clamp(0.65rem, 1.75vw, 0.75rem);
    font-weight: 700;
    letter-spacing: 0.36em;
    text-transform: uppercase;
    color: var(--red-bright);
    margin-bottom: 0.5rem;
}

/* ========== Faixa inferior: texto com largura de leitura + rodapé flexível ========== */
.lower-band {
    padding: clamp(1.5rem, 3.2vw, 2.15rem) 1.5rem clamp(2.25rem, 4vw, 3rem);
    background: linear-gradient(180deg, rgba(8, 4, 4, 0.85) 0%, var(--bg-page) 28%);
    border-top: 1px solid rgba(198, 40, 40, 0.12);
}

/* Flex: coluna esquerda só ocupa o necessário (evita “vão” até o divisor) */
.lower-band__inner {
    max-width: var(--footer-inner-max);
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: clamp(1.35rem, 3.2vw, 2.25rem);
}

.lower-band__text {
    flex: 0 0 auto;
    width: fit-content;
    max-width: min(var(--intro-measure), 100%);
    min-width: 0;
}

.lower-band__heading {
    font-family: var(--font-accent);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.38em;
    text-transform: uppercase;
    color: var(--red-bright);
    margin-bottom: 0.85rem;
    opacity: 0.92;
}

.intro {
    color: var(--text-secondary);
    font-size: clamp(0.9rem, 2.4vw, 1.02rem);
    line-height: 1.72;
    max-width: none;
    margin: 0 0 1.25rem;
    text-align: left;
    text-wrap: pretty;
}

/* Bloco de linhas de produto: destaque para leitura e termos para busca */
.product-lines {
    margin-top: 0.25rem;
    padding: 1rem 1.1rem 1.1rem;
    background: linear-gradient(135deg, rgba(198, 40, 40, 0.1) 0%, rgba(20, 8, 8, 0.65) 55%, rgba(8, 4, 4, 0.85) 100%);
    border: 1px solid rgba(198, 40, 40, 0.28);
    border-left: 3px solid var(--red-bright);
    border-radius: 4px;
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
}

.product-lines__label {
    font-family: var(--font-accent);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--red-bright);
    margin-bottom: 0.65rem;
}

.product-lines__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.product-lines__list li {
    position: relative;
    padding-left: 1.05rem;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: 0.02em;
    line-height: 1.45;
}

/* Marcador discreto em cada linha */
.product-lines__list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--red-bright);
    box-shadow: 0 0 8px var(--accent-soft);
}

/* Rodapé institucional */
.site-footer {
    margin-top: 1rem;
    padding: 2.25rem 1.5rem 3rem;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

/* Rodapé ao lado: cresce e preenche o restante; divisor vertical */
.site-footer.site-footer--beside {
    flex: 1 1 17.5rem;
    margin-top: 0;
    min-width: 0;
    padding: 0.15rem 0 0 clamp(1.25rem, 2.8vw, 2rem);
    border-top: none;
    border-left: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-inner {
    max-width: var(--footer-inner-max);
    margin: 0 auto;
}

/* Rodapé encostado na coluna direita ocupa 100% da célula */
.site-footer--beside .footer-inner {
    max-width: none;
    margin: 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(13.5rem, 1fr));
    /* row-gap menor entre blocos empilhados (ex.: após Contato) */
    row-gap: 1.1rem;
    column-gap: clamp(1.35rem, 2.5vw, 1.9rem);
    text-align: left;
}

.footer-col {
    min-width: 0;
    padding: 0.35rem 0 0.35rem 1rem;
    border-radius: 2px;
    border-left: 2px solid rgba(198, 40, 40, 0.22);
}

/* Coluna sem título: sem “faixa” vazia onde era o heading (menos rolagem) */
.footer-col--no-heading {
    padding-top: 0;
}

.footer-heading {
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--red-bright);
    margin-bottom: 0.55rem;
}

.footer-body {
    font-size: 0.92rem;
    color: var(--text-muted);
    line-height: 1.78;
}

.footer-body a {
    color: var(--text-secondary);
    text-decoration: none;
    border-bottom: 1px solid var(--accent-soft);
    transition: color 0.2s ease, border-color 0.2s ease;
}

.footer-body a:hover,
.footer-body a:focus-visible {
    color: var(--red-bright);
    border-bottom-color: var(--red-bright);
    outline: none;
}

/* Animações de entrada */
.main-site .hero-site .brand-title,
.main-site .hero-site .brand-rule,
.main-site .hero-site .brand-tagline,
.main-site .lower-band__heading,
.main-site .lower-band__text .intro,
.main-site .lower-band__text .product-lines,
.main-site .site-footer .footer-col {
    opacity: 0;
    transform: translateY(14px);
}

.main-site.is-ready .hero-site .brand-title {
    animation: fade-up 0.7s ease forwards;
}

.main-site.is-ready .hero-site .brand-rule {
    animation: fade-up 0.65s ease 0.1s forwards;
}

.main-site.is-ready .hero-site .brand-tagline {
    animation: fade-up 0.65s ease 0.18s forwards;
}

.main-site.is-ready .lower-band__heading {
    animation: fade-up 0.65s ease 0.36s forwards;
}

.main-site.is-ready .lower-band__text .intro {
    animation: fade-up 0.65s ease 0.42s forwards;
}

.main-site.is-ready .lower-band__text .product-lines {
    animation: fade-up 0.65s ease 0.48s forwards;
}

.main-site.is-ready .site-footer--beside .footer-col:nth-child(1) {
    animation: fade-up 0.65s ease 0.54s forwards;
}

.main-site.is-ready .site-footer--beside .footer-col:nth-child(2) {
    animation: fade-up 0.65s ease 0.6s forwards;
}

.main-site.is-ready .site-footer--beside .footer-col:nth-child(3) {
    animation: fade-up 0.65s ease 0.66s forwards;
}

@keyframes fade-up {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    .main-site .hero-site .brand-title,
    .main-site .hero-site .brand-rule,
    .main-site .hero-site .brand-tagline,
    .main-site .lower-band__heading,
    .main-site .lower-band__text .intro,
    .main-site .lower-band__text .product-lines,
    .main-site .site-footer .footer-col {
        opacity: 1;
        transform: none;
        animation: none;
    }
}

/* Empilha frase + rodapé em telas estreitas */
@media (max-width: 900px) {
    .lower-band__text {
        width: 100%;
        max-width: 100%;
    }

    .site-footer.site-footer--beside {
        flex: 1 1 100%;
        padding: 1.35rem 0 0;
        border-left: none;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

    .footer-col {
        border-left: none;
        padding-left: 0;
        margin-left: 0;
    }

    .footer-col--no-heading {
        padding-top: 0;
    }
}

@media (max-width: 768px) {
    .footer-grid {
        row-gap: 1rem;
        column-gap: 1.25rem;
    }

    .hero-site__watermark {
        opacity: 0.7;
    }
}