:root {
    --bg-dark: #0B0101;
    --burgundy: #2B0505;
    --amber-gold: #FF9100;
    --neon-blue: #00D1FF;
    --neon-mint: #00FFC2;
    --neon-pink: #FF007A;
    --off-white: #F0F0F0;
    --glass: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --transition-slow: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    cursor: none !important;
}

body {
    background-color: var(--bg-dark);
    color: var(--off-white);
    font-family: 'Archivo', sans-serif;
    overflow-x: hidden;
    line-height: 1.6;
    scroll-behavior: smooth;
}

/* Dopamine Pulse Background */
.dopamine-pulse {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, 
        rgba(43, 5, 5, 0.5) 0%, 
        rgba(11, 1, 1, 1) 100%);
    z-index: -2;
    animation: pulse 12s infinite alternate ease-in-out;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 0.6; }
    100% { transform: scale(1.1); opacity: 1; }
}

/* Custom Cursor */
.custom-cursor {
    position: fixed;
    width: 40px;
    height: 40px;
    border: 1px solid var(--amber-gold);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s, background-color 0.3s;
    box-shadow: 0 0 15px rgba(255, 145, 0, 0.3);
}

header {
    padding: 2.5rem 5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: absolute;
    width: 100%;
    top: 0;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.logo {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    letter-spacing: 0.2rem;
    font-size: 1.2rem;
    color: var(--amber-gold);
}

.lang-switcher {
    display: flex;
    gap: 0.5rem;
    font-size: 0.7rem;
    letter-spacing: 0.1rem;
    font-weight: 700;
}

.lang-switcher span {
    opacity: 0.3;
    transition: var(--transition-fast);
    cursor: pointer;
}

.lang-switcher span.active, .lang-switcher span:hover {
    opacity: 1;
    color: var(--amber-gold);
}

nav a {
    color: var(--off-white);
    text-decoration: none;
    margin-left: 2.5rem;
    font-size: 0.9rem;
    letter-spacing: 0.1rem;
    font-weight: 500;
    opacity: 0.7;
    transition: var(--transition-fast);
}

nav a:hover {
    opacity: 1;
    color: var(--amber-gold);
}

.btn-primary {
    border: 1px solid var(--amber-gold);
    padding: 0.8rem 1.8rem;
    border-radius: 100px;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    padding: 0 8vw;
    position: relative;
    overflow: hidden;
}

.hero-content {
    flex: 1;
    z-index: 2;
}

h1 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(4rem, 10vw, 8rem);
    line-height: 0.9;
    font-weight: 900;
    margin-bottom: 2rem;
    font-style: italic;
    background: linear-gradient(to bottom, #fff, rgba(255,255,255,0.4));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

h1 i {
    color: var(--amber-gold);
    -webkit-text-fill-color: var(--amber-gold);
}

.hero-subline {
    font-size: 1.2rem;
    max-width: 400px;
    opacity: 0.6;
    margin-bottom: 3rem;
}

.btn-glow {
    background: var(--amber-gold);
    color: var(--bg-dark);
    border: none;
    padding: 1.2rem 3rem;
    font-size: 1rem;
    font-weight: 700;
    border-radius: 4px;
    letter-spacing: 0.1rem;
    box-shadow: 0 0 30px rgba(255, 145, 0, 0.4);
    transition: var(--transition-fast);
    cursor: pointer;
}

.btn-glow:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(255, 145, 0, 0.6);
}

.hero-visual {
    flex: 1.2;
    display: flex;
    justify-content: center;
    position: relative;
}

.device-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.floating-device {
    max-width: 100%;
    max-height: 100%;
    position: relative;
    z-index: 5;
}

.device-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, rgba(255, 145, 0, 0.1) 0%, transparent 60%);
    transform: translate(-50%, -50%);
    z-index: 1;
}

/* Flavor Grid */
.flavors {
    padding: 10rem 8vw;
    background: linear-gradient(to bottom, transparent, var(--burgundy));
}

.section-label {
    font-size: 0.8rem;
    letter-spacing: 0.4rem;
    opacity: 0.4;
    margin-bottom: 4rem;
}

.flavor-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
}

.flavor-card {
    position: relative;
    height: 500px;
    border-radius: 20px;
    overflow: hidden;
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    transition: var(--transition-slow);
}

.flavor-card:hover {
    transform: translateY(-15px) scale(1.02);
    border-color: rgba(255,255,255,0.2);
}

.flavor-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), 
        rgba(255,255,255,0.05) 0%, 
        transparent 50%);
    pointer-events: none;
}

.flavor-card[data-flavor="mint"] h3 { color: var(--neon-mint); }
.flavor-card[data-flavor="berry"] h3 { color: var(--neon-pink); }
.flavor-card[data-flavor="gold"] h3 { color: var(--amber-gold); }

.flavor-card h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    font-style: italic;
    font-family: 'Playfair Display', serif;
}

.tag {
    font-size: 0.7rem;
    letter-spacing: 0.1rem;
    opacity: 0.5;
    margin-top: 1.5rem;
    display: block;
}

/* Tech Specs */
.tech-specs {
    display: flex;
    justify-content: space-around;
    padding: 8rem 8vw;
    border-top: 1px solid var(--glass-border);
}

.spec-item {
    text-align: center;
}

.spec-val {
    display: block;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 4rem;
    font-weight: 700;
    color: var(--amber-gold);
    line-height: 1;
}

.spec-label {
    font-size: 0.8rem;
    letter-spacing: 0.2rem;
    opacity: 0.5;
    margin-top: 1rem;
    display: block;
}

footer {
    padding: 5rem 8vw;
    border-top: 1px solid var(--glass-border);
    opacity: 0.5;
}

.footer-grid {
    display: flex;
    justify-content: space-between;
}

.social i {
    margin-left: 1.5rem;
    transition: var(--transition-fast);
}

.social i:hover {
    color: var(--amber-gold);
    opacity: 1;
}

/* Animations */
@keyframes float {
    0% { transform: translateY(15px) rotate(-2deg); }
    100% { transform: translateY(-15px) rotate(1deg); }
}

.floating-device {
    animation: float 6s infinite alternate ease-in-out;
}

/* Mobile Adjustments */
@media (max-width: 900px) {
    .flavor-grid {
        grid-template-columns: 1fr;
    }
    .hero {
        flex-direction: column;
        justify-content: center;
        text-align: center;
        padding-top: 10rem;
    }
    .hero-subline {
        margin: 0 auto 3rem;
    }
}

/* --- Product List & Details Extension --- */

.product-hero {
    padding: 12rem 8vw 5rem;
    text-align: center;
    background: linear-gradient(to bottom, var(--bg-dark), var(--burgundy));
}

.product-hero h2 {
    font-family: 'Playfair Display', serif;
    font-weight: 900;
    font-size: 4rem;
    font-style: italic;
    color: var(--amber-gold);
}

.product-filters {
    padding: 2rem 8vw;
    display: flex;
    justify-content: center;
    gap: 2rem;
    border-bottom: 1px solid var(--glass-border);
}

.filter-btn {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--off-white);
    padding: 0.5rem 1.5rem;
    border-radius: 100px;
    font-size: 0.8rem;
    letter-spacing: 0.1rem;
    transition: var(--transition-fast);
}

.filter-btn.active, .filter-btn:hover {
    background: var(--amber-gold);
    color: var(--bg-dark);
    border-color: var(--amber-gold);
}

.shop-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 3.5rem;
    padding: 8rem 8vw;
}

.shop-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 2rem;
    text-align: center;
    transition: var(--transition-slow);
    position: relative;
    backdrop-filter: blur(20px);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.shop-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: var(--amber-gold);
    background: rgba(255, 255, 255, 0.04);
}

.card-badge {
    position: absolute;
    top: 1.5rem;
    left: 1.5rem;
    background: #A3D844; /* Neon Green for Sale */
    color: #000;
    padding: 0.3rem 0.8rem;
    font-size: 0.65rem;
    font-weight: 900;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.1rem;
    z-index: 10;
}

.card-image-wrapper {
    position: relative;
    height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    background: radial-gradient(circle at center, rgba(255, 145, 0, 0.05) 0%, transparent 70%);
}

.main-product-img {
    max-height: 100%;
    max-width: 100%;
    filter: drop-shadow(0 15px 30px rgba(0,0,0,0.5));
    transition: var(--transition-slow);
}

.sku-selector-container {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 40px; /* Space for arrows */
    margin-bottom: 2rem;
    z-index: 10;
}

.sku-scroll-viewport {
    width: calc(4 * 54px + 3 * 0.8rem); /* 4 items + gap */
    overflow: hidden;
    scroll-behavior: smooth;
}

.sku-list {
    display: flex;
    gap: 0.8rem;
    transition: var(--transition-slow);
}

.sku-thumb {
    flex-shrink: 0;
    width: 54px;
    height: 64px;
    border: 2px solid var(--glass-border);
    background: var(--glass);
    border-radius: 8px;
    padding: 4px;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.sku-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    color: var(--off-white);
    opacity: 0.3;
    cursor: pointer;
    transition: var(--transition-fast);
    padding: 10px;
    z-index: 20;
}

.sku-nav-btn:hover {
    opacity: 1;
    color: var(--amber-gold);
}

.sku-nav-btn.prev { left: 0; }
.sku-nav-btn.next { right: 0; }

.sku-thumb.active {
    border-color: #A3D844;
}

.sku-thumb img {
    max-width: 100%;
    max-height: 100%;
    filter: brightness(0.8);
}

.sku-thumb.active img {
    filter: brightness(1);
}

.shop-card h4 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
    color: var(--off-white);
}

.features-list {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    margin-bottom: 1.5rem;
    opacity: 0.6;
    font-size: 0.85rem;
    font-weight: 500;
}

.card-price {
    font-family: 'Archivo', sans-serif;
    font-weight: 900;
    font-size: 1.4rem;
    color: var(--amber-gold);
    margin-top: auto;
}

.shop-card-link {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 5;
    /* This link covers the card but we need to make sure buttons work */
}

.sku-selector, .sku-thumb {
    z-index: 10; /* Make sure thumbs are clickable over the card link */
}

/* Product Detail Page */
.detail-main {
    padding: 12rem 8vw 8rem;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 5vw;
}

.gallery-wrapper {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    position: relative;
}

.detail-gallery {
    flex: 0 1 85%; /* Shrink the 'modal' container */
    background: var(--glass);
    border-radius: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 1px solid var(--glass-border);
    overflow: hidden;
    padding: 1.5rem;
    aspect-ratio: 1/1;
}

.gallery-thumbs {
    flex: 0 0 60px;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    z-index: 10;
}

.thumb-item {
    width: 60px;
    height: 70px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 4px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: var(--transition-fast);
}

.thumb-item img {
    max-width: 100%;
    max-height: 100%;
    opacity: 0.5;
    transition: var(--transition-fast);
}

.thumb-item.active {
    border-color: var(--amber-gold);
    box-shadow: 0 0 10px rgba(255, 145, 0, 0.3);
}

.thumb-item.active img {
    opacity: 1;
}

.detail-img {
    max-width: 85%; /* Ensure it fits while being centered */
    max-height: 85%;
    height: auto;
    width: auto;
    filter: drop-shadow(0 20px 40px rgba(0,0,0,0.5));
    transition: var(--transition-slow);
}

.detail-info h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    text-align: left;
    background: linear-gradient(to right, #fff, var(--amber-gold));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.detail-price {
    font-size: 2rem;
    color: var(--amber-gold);
    font-weight: 700;
    margin-bottom: 2rem;
}

.detail-desc {
    opacity: 0.6;
    margin-bottom: 2.5rem;
    font-size: 1.1rem;
}

.options-label {
    font-size: 0.8rem;
    letter-spacing: 0.2rem;
    margin-bottom: 1rem;
    display: block;
    opacity: 0.4;
}

.flavor-name-display {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    color: var(--amber-gold);
    text-transform: uppercase;
    letter-spacing: 0.1rem;
}

.sku-options-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3rem;
}

.sku-swatch {
    width: 60px;
    height: 70px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 2px;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    justify-content: center;
    align-items: center;
}

.sku-swatch img {
    max-width: 100%;
    max-height: 100%;
    opacity: 0.6;
    transition: var(--transition-fast);
}

.sku-swatch:hover {
    border-color: rgba(255, 255, 255, 0.3);
}

.sku-swatch.selected {
    border-color: var(--amber-gold);
    box-shadow: 0 0 15px rgba(255, 145, 0, 0.4);
    background: rgba(255, 145, 0, 0.05);
}

.sku-swatch.selected img {
    opacity: 1;
}

.buy-group {
    display: flex;
    gap: 1.5rem;
    margin-top: 3rem;
}

/* SKU Metadata Styles */
.sku-metadata-box {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 1.5rem;
    margin-top: 2rem;
}

.meta-row {
    margin-bottom: 1rem;
    padding-bottom: 0.8rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    justify-content: space-between;
}

.meta-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.meta-item {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.meta-label {
    font-size: 0.7rem;
    color: var(--amber-gold);
    opacity: 0.7;
    letter-spacing: 0.1rem;
    text-transform: uppercase;
}

.meta-val {
    font-size: 0.9rem;
    font-weight: 500;
    color: white;
}

.meta-note {
    margin-top: 1.2rem;
    padding: 0.8rem;
    background: rgba(255, 145, 0, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 0.85rem;
    color: #ffd08a;
    border-left: 3px solid var(--amber-gold);
}

.btn-large {
    flex: 1;
    padding: 1.5rem;
    font-size: 1.1rem;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--off-white);
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-outline:hover {
    background: var(--glass);
}

@media (max-width: 900px) {
    .detail-main {
        grid-template-columns: 1fr;
        padding-top: 8rem;
    }
}