:root {
    --color-primary: #ff4d00;
    --color-text: #ffffff;
    --color-muted: #888888;
    --color-border: rgba(255, 255, 255, 0.1);
    --shadow-strong: 0 18px 45px rgba(0, 0, 0, 0.45);
    --radius-lg: 24px;
    --radius-md: 18px;
    --container: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: "Barlow", sans-serif;
    background: radial-gradient(circle at top right, rgba(255, 77, 0, 0.16), transparent 26%), linear-gradient(180deg, #050505 0%, #000000 100%);
    color: var(--color-text);
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
.container { width: min(100% - 2rem, var(--container)); margin: 0 auto; }
.section { padding: 6rem 0; }
.section-tag, .eyebrow, .hero-stat-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--color-primary);
}
.section-heading { max-width: 820px; margin-bottom: 2.75rem; }
.section-heading h2, .about-copy h2, .contact-panel h2 {
    margin: 1rem 0;
    font-family: "Rajdhani", sans-serif;
    font-size: clamp(2rem, 4vw, 3.4rem);
    line-height: 0.95;
    text-transform: uppercase;
}
.section-heading p, .about-copy p, .contact-panel p, .hero-copy p, .footer-note {
    color: #d3d3d3;
    font-size: 1.06rem;
    line-height: 1.7;
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    padding: 0.85rem 1.5rem;
    border-radius: 999px;
    border: 1px solid transparent;
    font-weight: 700;
    letter-spacing: 0.03em;
    transition: transform 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease, border-color 0.25s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, #ff6a2f 100%);
    color: var(--color-text);
    box-shadow: 0 12px 24px rgba(255, 77, 0, 0.22);
}
.btn-secondary { border-color: rgba(255, 255, 255, 0.22); background: rgba(255, 255, 255, 0.02); }
.btn-block { width: calc(100% - 2.4rem); }
.btn-large { min-height: 60px; padding-inline: 1.8rem; font-size: 1rem; }
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(18px);
    background: rgba(0, 0, 0, 0.84);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 76px; }
.brand { display: inline-flex; align-items: center; }
.brand-logo { width: auto; height: clamp(42px, 4.2vw, 54px); }
.main-nav { display: flex; align-items: center; gap: 1.1rem; }
.main-nav a { color: #f2f2f2; font-weight: 500; }
.main-nav a:hover, .contact-item a:hover, .footer-links a:hover, .footer-contact a:hover, .hero-highlight a:hover { color: var(--color-primary); }
.menu-toggle { display: none; flex-direction: column; gap: 0.3rem; background: transparent; border: 0; padding: 0; }
.menu-toggle span { display: block; width: 26px; height: 2px; background: var(--color-text); }
.hero-section {
    position: relative;
    overflow: hidden;
    min-height: calc(100vh - 76px);
    display: flex;
    align-items: center;
    padding: 7rem 0 5rem;
    background-image: linear-gradient(125deg, rgba(0, 0, 0, 0.78) 18%, rgba(0, 0, 0, 0.52) 55%, rgba(255, 77, 0, 0.10) 100%), linear-gradient(135deg, rgba(19, 19, 19, 0.60) 0%, rgba(5, 5, 5, 0.35) 48%, rgba(9, 9, 9, 0.55) 100%), url("IMG/embreagem-hero.png");
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
}
.hero-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background-image: linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 40px 40px;
}
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr); gap: 2rem; align-items: end; }
.hero-copy h1 { margin: 1rem 0; max-width: 760px; font-family: "Rajdhani", sans-serif; font-size: clamp(3.2rem, 8vw, 6rem); line-height: 0.9; text-transform: uppercase; }
.hero-copy p { max-width: 650px; font-size: 1.16rem; }
.hero-actions, .catalog-filters { display: flex; flex-wrap: wrap; gap: 1rem; }
.hero-actions { margin-top: 2rem; }
.hero-panel { display: grid; gap: 1rem; }
.hero-stat, .product-card, .contact-panel, .catalog-item-card {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02));
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-strong);
}
.hero-stat { padding: 1.4rem; border-radius: var(--radius-md); }
.hero-stat strong, .hero-stat a { display: block; margin-top: 0.55rem; font-size: 1.1rem; line-height: 1.55; }
.hero-highlight { border-color: rgba(255, 77, 0, 0.38); background: linear-gradient(180deg, rgba(255, 77, 0, 0.18), rgba(255, 77, 0, 0.06)); }
.services-grid, .products-grid, .footer-grid, .contact-grid, .about-grid { display: grid; gap: 1.5rem; }
.services-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.service-card {
    position: relative;
    overflow: hidden;
    min-height: 240px;
    display: flex;
    align-items: flex-end;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-strong);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transition: transform 0.3s ease, box-shadow 0.3s ease, background-size 0.4s ease;
}
.service-card:hover { transform: translateY(-6px); box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35); background-size: 110%; }
.service-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(0, 0, 0, 0.85) 15%, rgba(0, 0, 0, 0.5) 55%, rgba(0, 0, 0, 0.2) 100%); }
.service-content { position: relative; z-index: 2; padding: 1.7rem; }
.service-card h3, .product-card h3, .site-footer h3 { margin: 0 0 0.75rem; font-size: 1.3rem; }
.service-card p, .contact-item p, .footer-contact p { margin: 0; color: #d0d0d0; line-height: 1.7; }
.service-card:hover h3 { color: var(--color-primary); }
.service-cta { display: inline-block; margin-top: 1rem; font-weight: 700; }
.about-grid, .contact-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: center; gap: 2.5rem; }
.about-visual { position: relative; min-height: 460px; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--color-border); background: #111; }
.about-visual img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.about-visual::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0, 0, 0, 0.05) 20%, rgba(0, 0, 0, 0.75) 100%); pointer-events: none; }
.frame-label { position: absolute; top: 1.5rem; left: 1.5rem; z-index: 2; font-size: 0.75rem; letter-spacing: 0.14em; text-transform: uppercase; color: rgba(255, 255, 255, 0.75); }
.about-visual strong { position: absolute; left: 1.5rem; right: 1.5rem; bottom: 1.5rem; z-index: 2; font-family: "Rajdhani", sans-serif; font-size: 2rem; line-height: 1; text-transform: uppercase; color: #fff; }
.products-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.product-card { overflow: hidden; padding-bottom: 1.2rem; }
.product-image {
    position: relative;
    height: 220px;
    border-bottom: 1px solid var(--color-border);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}
.product-image::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.28) 100%); pointer-events: none; z-index: 1; }
.product-image-1, .product-image-2, .product-image-3, .product-image-4 { background-image: radial-gradient(circle at 30% 30%, rgba(255, 140, 60, 0.22), transparent 28%), radial-gradient(circle at 50% 50%, rgba(255, 77, 0, 0.18), transparent 38%), linear-gradient(180deg, #6a2a0d 0%, #2a0f05 45%, #050505 100%); }
.product-image img { position: relative; z-index: 2; max-width: 90%; max-height: 90%; width: auto; height: auto; object-fit: contain; transform: translateY(8px); transition: transform 0.3s ease; }
.product-card:hover .product-image img { transform: scale(1.04); }
.product-card h3, .product-card .btn { margin: 1.2rem 1.2rem 0; }
.contact-panel { padding: 2rem; }
.contact-panel-strong { background: linear-gradient(160deg, rgba(255, 77, 0, 0.18), rgba(255, 77, 0, 0.05)), linear-gradient(160deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02)); border-color: rgba(255, 77, 0, 0.28); }
.contact-item + .contact-item { margin-top: 1.3rem; padding-top: 1.3rem; border-top: 1px solid rgba(255, 255, 255, 0.08); }
.contact-item span { display: block; margin-bottom: 0.45rem; color: var(--color-muted); font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.1em; }
.contact-item a { font-size: 1.15rem; font-weight: 700; }
.site-footer { padding-top: 1rem; border-top: 1px solid rgba(255, 255, 255, 0.08); }
.footer-grid { grid-template-columns: 1.2fr 1fr 1fr; padding: 2rem 0; align-items: start; }
.footer-logo { width: auto; height: clamp(42px, 4vw, 52px); }
.footer-links, .footer-contact { display: grid; gap: 0.7rem; }
.footer-note { max-width: 260px; margin: 1rem 0 0; }
.footer-bottom { padding: 1.25rem 0 2rem; color: var(--color-muted); border-top: 1px solid rgba(255, 255, 255, 0.08); }
.catalog-hero-minimal { padding: 28px 0 12px; background: radial-gradient(circle at top right, rgba(255, 102, 0, 0.08), transparent 28%), linear-gradient(90deg, rgba(0, 0, 0, 0.94) 0%, rgba(20, 6, 0, 0.88) 100%); border-bottom: 1px solid rgba(255, 255, 255, 0.04); }
.catalog-hero-minimal-content { max-width: 760px; }
.catalog-hero-minimal .eyebrow { display: inline-block; margin-bottom: 10px; }
.catalog-hero-minimal h1 { margin: 0 0 8px; font-size: 2.1rem; line-height: 1.05; max-width: 760px; }
.catalog-hero-minimal p { margin: 0; max-width: 520px; font-size: 0.95rem; line-height: 1.5; color: rgba(255, 255, 255, 0.74); }
.catalog-store-section { padding: 20px 0 4rem; }
.catalog-store-top { margin: 16px 0 10px; }
.catalog-search input { width: 100%; max-width: 380px; padding: 12px 16px; border-radius: 10px; border: 1px solid rgba(255, 255, 255, 0.2); background: #111; color: #fff; outline: none; margin-bottom: 10px; }
.catalog-search input::placeholder { color: rgba(255, 255, 255, 0.45); }
.catalog-filter { padding: 6px 12px; font-size: 0.85rem; border-radius: 999px; border: 1px solid rgba(255, 255, 255, 0.2); background: transparent; color: #fff; cursor: pointer; transition: 0.2s; }
.catalog-filter:hover { border-color: #ff6600; color: #ff6600; }
.catalog-filter.is-active { background: #ff6600; border-color: #ff6600; color: #000; }
.catalog-store-results { margin: 10px 0; color: rgba(255, 255, 255, 0.7); font-size: 0.85rem; }
.catalog-store-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 10px; }
.catalog-item-card { overflow: hidden; transition: transform 0.25s, border-color 0.25s; }
.catalog-item-card:hover { transform: translateY(-5px); border-color: rgba(255, 102, 0, 0.4); }
.catalog-item-image { height: 180px; background: #000; display: flex; align-items: center; justify-content: center; padding: 20px; }
.catalog-item-image img { max-width: 100%; max-height: 100%; object-fit: contain; }
.catalog-item-body { padding: 16px; }
.catalog-item-badge { display: inline-block; font-size: 0.7rem; text-transform: uppercase; color: #ff6600; margin-bottom: 8px; font-weight: 700; }
.catalog-item-body h3 { margin: 0 0 8px; font-size: 1.2rem; }
.catalog-item-body p { font-size: 0.9rem; color: rgba(255, 255, 255, 0.7); margin-bottom: 14px; line-height: 1.45; }
.catalog-item-card.is-hidden { display: none; }
@media (max-width: 1080px) {
    .header-inner { flex-wrap: wrap; }
    .main-nav { order: 3; width: 100%; justify-content: center; flex-wrap: wrap; padding-bottom: 1rem; }
    .hero-grid, .about-grid, .contact-grid, .footer-grid { grid-template-columns: 1fr; }
    .services-grid, .products-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 900px) { .catalog-store-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 760px) {
    .section { padding: 4.5rem 0; }
    .header-inner { min-height: 68px; }
    .brand-logo { height: clamp(35px, 8vw, 42px); }
    .menu-toggle { display: flex; margin-left: auto; }
    .header-cta { display: none; }
    .main-nav { display: none; flex-direction: column; align-items: flex-start; padding: 0.5rem 0 1rem; }
    .main-nav.is-open { display: flex; }
    .hero-section { min-height: auto; padding-top: 5rem; }
    .hero-copy h1 { font-size: clamp(2.6rem, 16vw, 4.2rem); }
    .services-grid, .products-grid, .catalog-store-grid { grid-template-columns: 1fr; }
    .catalog-hero-minimal { padding: 22px 0 10px; }
    .catalog-hero-minimal h1 { font-size: 1.8rem; }
    .catalog-hero-minimal p { font-size: 0.9rem; }
}
@media (max-width: 600px) { .catalog-search input { max-width: 100%; } }
