/* ============================================================
   CATÁLOGO VIRTUAL LOONY JEANS — Frontend Público
   Design: Alta Moda / Editorial / Mobile-First
   Paleta: Preto · Branco · Gold
   Fontes: Cormorant Garamond + Inter
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;0,700;1,300;1,400&family=Inter:wght@300;400;500;600&display=swap');

/* ─── Variables ────────────────────────────────────────── */
:root {
    --black: #0a0a0a;
    --off-black: #111114;
    --dark: #1a1a1f;
    --mid: #252530;
    --border: #2a2a35;
    --white: #fafafa;
    --off-white: #f0ede8;
    --text: #e8e5e0;
    --text-muted: #888896;
    --gold: #c9a84c;
    --gold-l: #e8c870;
    --gold-d: #a07830;
    --radius: 4px;
    --transition: all .35s cubic-bezier(.4, 0, .2, 1);
    --font-serif: 'Cormorant Garamond', Georgia, serif;
    --font-sans: 'Inter', sans-serif;
    --header-h: 70px;
}

/* ─── Reset / Base ─────────────────────────────────────── */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 15px;
    scroll-behavior: smooth;
}

body {
    background: var(--black);
    color: var(--text);
    font-family: var(--font-sans);
    font-weight: 300;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
}

/* ─── Header ───────────────────────────────────────────── */
.catalog-header {
    position: sticky;
    top: 0;
    z-index: 100;
    height: 80px;
    background: rgba(10, 10, 10, .9);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    /* Centraliza a logomarca */
    padding: 0 clamp(20px, 5vw, 60px);
}

.header-brand {
    font-family: var(--font-serif);
    font-size: clamp(20px, 3vw, 26px);
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.header-brand .gold-dot {
    color: var(--gold);
}

.header-seller {
    position: absolute;
    right: clamp(20px, 5vw, 60px);
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 1px;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(201, 168, 76, 0.1);
    padding: 4px 10px;
    border-radius: 20px;
    border: 1px solid rgba(201, 168, 76, 0.2);
}

@media (max-width: 600px) {
    .header-seller {
        display: none;
        /* Esconde o vendedor no header para não quebrar no mobile com a logo grande,
           ele já é exibido na home no mobile se necessário, ou podemos criar um banner para ele. */
    }
}

.seller-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--gold);
    flex-shrink: 0;
}

/* ─── Hero / Coleção ───────────────────────────────────── */
.collection-hero {
    padding: clamp(48px, 8vw, 96px) clamp(20px, 5vw, 60px);
    text-align: center;
    border-bottom: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.collection-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 100%, rgba(201, 168, 76, .05) 0%, transparent 70%);
    pointer-events: none;
}

.collection-eyebrow {
    display: inline-block;
    font-size: 10px;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 16px;
    border: 1px solid rgba(201, 168, 76, .3);
    padding: 5px 16px;
    border-radius: 20px;
}

.collection-title {
    font-family: var(--font-serif);
    font-size: clamp(36px, 6vw, 72px);
    font-weight: 400;
    color: var(--white);
    line-height: 1.15;
    margin-bottom: 16px;
    letter-spacing: 1px;
}

.collection-subtitle {
    font-size: 14px;
    color: var(--text-muted);
    max-width: 480px;
    margin: 0 auto;
}

/* ─── Product Grid ─────────────────────────────────────── */
.catalog-container {
    padding: clamp(32px, 5vw, 60px) clamp(16px, 4vw, 48px);
}

.products-count {
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 28px;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr));
    gap: clamp(16px, 2.5vw, 28px);
}

/* Product Card */
.product-card {
    background: var(--off-black);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
    animation: fadeUp .5s ease both;
}

.product-card:hover {
    border-color: rgba(201, 168, 76, .3);
    transform: translateY(-4px);
}

.product-card:hover .card-img-inner {
    transform: scale(1.05);
}

.card-image-wrap {
    aspect-ratio: 3 / 4;
    overflow: hidden;
    position: relative;
    background: var(--dark);
}

.card-img-inner {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .6s cubic-bezier(.4, 0, .2, 1);
}

.card-img-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 40px;
}

.card-video-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(0, 0, 0, .7);
    color: #fff;
    border-radius: 4px;
    padding: 4px 10px;
    font-size: 11px;
    letter-spacing: .5px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.card-body {
    padding: 16px 18px 20px;
}

.card-name {
    font-family: var(--font-serif);
    font-size: 17px;
    font-weight: 600;
    color: var(--white);
    line-height: 1.3;
    margin-bottom: 6px;
}

.card-price {
    font-size: 15px;
    color: var(--gold);
    font-weight: 500;
    margin-bottom: 12px;
}

.card-desc {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* WhatsApp Button */
.btn-whatsapp {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 11px 16px;
    background: var(--gold);
    color: var(--black);
    border: none;
    border-radius: var(--radius);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: var(--transition);
}

.btn-whatsapp:hover {
    background: var(--gold-l);
    transform: none;
}

.btn-whatsapp svg {
    flex-shrink: 0;
}

.btn-detail {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 11px 16px;
    background: transparent;
    color: var(--text-muted);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: var(--transition);
    margin-top: 8px;
}

.btn-detail:hover {
    border-color: var(--border-l, #3a3a45);
    color: var(--text);
}

/* ─── Empty State ──────────────────────────────────────── */
.empty-catalog {
    grid-column: 1 / -1;
    text-align: center;
    padding: 80px 20px;
    color: var(--text-muted);
}

.empty-catalog-icon {
    font-size: 56px;
    margin-bottom: 20px;
}

.empty-catalog h2 {
    font-family: var(--font-serif);
    font-size: 28px;
    color: var(--text);
    margin-bottom: 10px;
}

/* ─── Product Detail ───────────────────────────────────── */
.detail-page {
    min-height: 100vh;
}

.breadcrumb {
    padding: 18px clamp(20px, 5vw, 60px);
    font-size: 12px;
    color: var(--text-muted);
    letter-spacing: .5px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 8px;
}

.breadcrumb a {
    color: var(--text-muted);
    transition: color .2s;
}

.breadcrumb a:hover {
    color: var(--gold);
}

.breadcrumb-sep {
    color: var(--border);
}

.breadcrumb-current {
    color: var(--text);
}

.detail-layout {
    display: grid;
    grid-template-columns: 1fr 420px;
    gap: 0;
    min-height: calc(100vh - var(--header-h) - 49px);
}

/* Gallery */
.detail-gallery {
    padding: 32px clamp(20px, 4vw, 48px);
}

.gallery-main {
    aspect-ratio: 3/4;
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--dark);
    margin-bottom: 12px;
    position: relative;
}

.gallery-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity .3s ease;
}

.gallery-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, .6);
    color: #fff;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    font-size: 18px;
}

.gallery-nav-btn:hover {
    background: rgba(0, 0, 0, .85);
}

.gallery-prev {
    left: 12px;
}

.gallery-next {
    right: 12px;
}

.gallery-thumbs {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 4px;
}

.gallery-thumbs::-webkit-scrollbar {
    height: 3px;
}

.gallery-thumbs::-webkit-scrollbar-track {
    background: var(--dark);
}

.gallery-thumbs::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 2px;
}

.thumb-item {
    width: 68px;
    height: 68px;
    flex-shrink: 0;
    border-radius: var(--radius);
    overflow: hidden;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
}

.thumb-item.active {
    border-color: var(--gold);
}

.thumb-item:hover {
    border-color: rgba(201, 168, 76, .5);
}

.thumb-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Info Panel */
.detail-info {
    padding: clamp(32px, 5vw, 56px) clamp(24px, 4vw, 52px);
    border-left: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: sticky;
    top: var(--header-h);
    height: fit-content;
}

.detail-collection {
    font-size: 10px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 16px;
}

.detail-name {
    font-family: var(--font-serif);
    font-size: clamp(28px, 3.5vw, 42px);
    font-weight: 400;
    color: var(--white);
    line-height: 1.2;
    margin-bottom: 20px;
}

.detail-price {
    font-size: 24px;
    color: var(--gold);
    font-weight: 500;
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border);
}

.detail-desc {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 32px;
    flex: 1;
}

.detail-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.btn-whatsapp-lg {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 24px;
    background: var(--gold);
    color: var(--black);
    border: none;
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    transition: var(--transition);
}

.btn-whatsapp-lg:hover {
    background: var(--gold-l);
    box-shadow: 0 8px 24px rgba(201, 168, 76, .3);
}

.btn-back-lg {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 24px;
    background: transparent;
    color: var(--text-muted);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: var(--transition);
}

.btn-back-lg:hover {
    border-color: rgba(255, 255, 255, .15);
    color: var(--text);
}

/* Video */
.detail-video {
    padding: 32px clamp(20px, 5vw, 60px);
    border-top: 1px solid var(--border);
}

.detail-video h3 {
    font-family: var(--font-serif);
    font-size: 22px;
    font-weight: 400;
    color: var(--white);
    margin-bottom: 20px;
    letter-spacing: .5px;
}

.video-wrap {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: var(--radius);
    background: var(--dark);
}

.video-wrap .video-embed {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* ─── Footer ───────────────────────────────────────────── */
.catalog-footer {
    padding: 32px clamp(20px, 5vw, 60px);
    border-top: 1px solid var(--border);
    text-align: center;
    font-size: 12px;
    color: var(--text-muted);
    letter-spacing: .5px;
}

.footer-brand {
    font-family: var(--font-serif);
    color: var(--gold);
    font-size: 16px;
    margin-bottom: 6px;
}

/* ─── Animations ───────────────────────────────────────── */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.product-card:nth-child(1) {
    animation-delay: .05s;
}

.product-card:nth-child(2) {
    animation-delay: .1s;
}

.product-card:nth-child(3) {
    animation-delay: .15s;
}

.product-card:nth-child(4) {
    animation-delay: .2s;
}

.product-card:nth-child(5) {
    animation-delay: .25s;
}

.product-card:nth-child(6) {
    animation-delay: .3s;
}

.product-card:nth-child(n+7) {
    animation-delay: .35s;
}

/* ─── Responsive ───────────────────────────────────────── */
@media (max-width: 1024px) {
    .detail-layout {
        grid-template-columns: 1fr;
    }

    .detail-info {
        border-left: none;
        border-top: 1px solid var(--border);
        position: static;
    }
}

@media (max-width: 640px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .catalog-container {
        padding: 20px 14px;
    }

    .gallery-main {
        aspect-ratio: 1 / 1;
    }
}

@media (max-width: 400px) {
    .product-grid {
        grid-template-columns: 1fr;
    }
}

/* ─── Loading Skeleton ─────────────────────────────────── */
.skeleton {
    background: linear-gradient(90deg, var(--dark) 25%, var(--mid) 50%, var(--dark) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.6s infinite;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}