@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&display=swap');

:root {
    /* Color Palette */
    --bg-primary: hsl(222, 25%, 6%);
    --bg-secondary: hsl(222, 24%, 10%);
    --bg-card: hsl(222, 24%, 12%);
    --bg-glass: rgba(10, 15, 26, 0.75);
    --bg-glass-card: rgba(25, 32, 48, 0.45);
    
    --primary: hsl(43, 85%, 58%); /* Golden Resin Leaf */
    --primary-hover: hsl(43, 90%, 50%);
    --primary-glow: rgba(239, 178, 57, 0.35);
    
    --teal-wave: hsl(178, 80%, 40%); /* Resin Ocean Wave Teal */
    --teal-glow: rgba(20, 184, 166, 0.3);
    
    --text-primary: hsl(0, 0%, 96%);
    --text-secondary: hsl(220, 15%, 70%);
    --text-muted: hsl(220, 12%, 50%);
    
    --border-glass: rgba(255, 255, 255, 0.08);
    --border-glass-focus: rgba(239, 178, 57, 0.4);
    
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 20px var(--primary-glow);
    
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Outfit', sans-serif;
    
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* CSS Resets & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
}

body {
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-secondary);
    border-radius: 4px;
    border: 2px solid var(--bg-primary);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* Typography Utilities */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    letter-spacing: 0.02em;
    line-height: 1.25;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-fast);
}

button {
    font-family: var(--font-body);
    cursor: pointer;
    background: none;
    border: none;
    outline: none;
}

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

/* Layout Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 6rem 0;
}

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

/* Grid Layouts */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }

@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .section { padding: 4rem 0; }
    .container { padding: 0 1.25rem; }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 1.8rem;
    border-radius: 50px;
    font-weight: 500;
    letter-spacing: 0.03em;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), hsl(35, 90%, 50%));
    color: hsl(222, 25%, 6%);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 28px rgba(239, 178, 57, 0.5);
}

.btn-outline {
    border: 1px solid var(--border-glass);
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
    background: rgba(239, 178, 57, 0.05);
}

/* Navigation Bar */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: var(--bg-glass);
    backdrop-filter: blur(16px) saturate(120%);
    -webkit-backdrop-filter: blur(16px) saturate(120%);
    border-bottom: 1px solid var(--border-glass);
    transition: var(--transition-smooth);
}

.header.scrolled {
    background: hsl(222, 25%, 5%);
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-primary);
}

.logo span {
    background: linear-gradient(135deg, var(--primary), var(--teal-wave));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo svg {
    width: 32px;
    height: 32px;
    fill: url(#logoGradient);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    list-style: none;
}

.nav-link {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-secondary);
    position: relative;
    padding: 0.5rem 0;
}

.nav-link:hover, .nav-link.active {
    color: var(--primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition-fast);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-btn {
    position: relative;
    color: var(--text-primary);
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-glass);
    transition: var(--transition-fast);
}

.nav-btn:hover {
    color: var(--primary);
    border-color: var(--border-glass-focus);
    background: rgba(239, 178, 57, 0.05);
    transform: scale(1.05);
}

.cart-count {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--teal-wave);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 10px var(--teal-glow);
    animation: pulse 2s infinite;
}

.menu-toggle {
    display: none;
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }
    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--bg-primary);
        flex-direction: column;
        justify-content: center;
        gap: 3rem;
        transition: var(--transition-smooth);
        z-index: 99;
    }
    .nav-links.active {
        left: 0;
    }
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 50%;
    height: 80%;
    background: radial-gradient(circle, var(--teal-glow) 0%, transparent 70%);
    filter: blur(80px);
}

.hero-bg::after {
    content: '';
    position: absolute;
    bottom: -10%;
    left: -10%;
    width: 40%;
    height: 60%;
    background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
    filter: blur(60px);
}

.hero-content {
    max-width: 600px;
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

.hero-title span {
    font-style: italic;
    background: linear-gradient(135deg, var(--text-primary), var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-desc {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 520px;
}

.hero-btns {
    display: flex;
    gap: 1.25rem;
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: float 6s ease-in-out infinite;
}

.hero-image-wrapper {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid var(--border-glass);
    box-shadow: var(--shadow-lg);
    background: var(--bg-glass-card);
}

.hero-image-wrapper::after {
    content: '';
    position: absolute;
    inset: 0;
    box-shadow: inset 0 0 40px rgba(0, 0, 0, 0.4);
    pointer-events: none;
}

.hero-image {
    width: 100%;
    max-width: 500px;
    height: auto;
    object-fit: cover;
}

.hero-glass-card {
    position: absolute;
    bottom: -30px;
    left: -20px;
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass);
    padding: 1.5rem;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    max-width: 250px;
    display: flex;
    align-items: center;
    gap: 1rem;
}

@media (max-width: 991px) {
    .hero {
        text-align: center;
        min-height: auto;
        padding: 8rem 0 4rem 0;
    }
    .hero-content {
        max-width: 100%;
        margin-bottom: 4rem;
    }
    .hero-desc {
        margin-left: auto;
        margin-right: auto;
    }
    .hero-btns {
        justify-content: center;
    }
    .hero-glass-card {
        display: none;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2.75rem;
    }
    .hero-btns {
        flex-direction: column;
        gap: 1rem;
    }
    .hero-btns .btn {
        width: 100%;
    }
}

/* Section Header */
.section-header {
    max-width: 600px;
    margin: 0 auto 4rem auto;
}

.section-subtitle {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    color: var(--primary);
    margin-bottom: 1rem;
    font-weight: 600;
}

.section-title {
    font-size: 2.5rem;
}

/* Category Quick Links / Section */
.category-cards {
    margin-top: 1rem;
}

.category-card {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    aspect-ratio: 4 / 5;
    border: 1px solid var(--border-glass);
    cursor: pointer;
    box-shadow: var(--shadow-md);
}

.category-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.category-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 15, 26, 0.9) 10%, rgba(10, 15, 26, 0.3) 50%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 2rem;
    transition: var(--transition-smooth);
}

.category-card h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.category-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    transform: translateY(10px);
    opacity: 0;
    transition: var(--transition-smooth);
}

.category-card:hover img {
    transform: scale(1.1);
}

.category-card:hover .category-overlay {
    background: linear-gradient(to top, rgba(10, 15, 26, 0.95) 20%, rgba(10, 15, 26, 0.4) 60%, transparent 100%);
}

.category-card:hover p {
    transform: translateY(0);
    opacity: 1;
}

/* Product Catalog Styles (Grid & Filter) */
.shop-layout {
    display: flex;
    gap: 3rem;
    margin-top: 2rem;
}

.sidebar-filters {
    width: 260px;
    flex-shrink: 0;
    background: var(--bg-glass-card);
    border: 1px solid var(--border-glass);
    border-radius: 20px;
    padding: 2rem;
    height: fit-content;
    position: sticky;
    top: 110px;
}

.catalog-main {
    flex-grow: 1;
}

.filter-group {
    margin-bottom: 2.25rem;
}

.filter-title {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-glass);
    padding-bottom: 0.5rem;
}

.filter-list {
    list-style: none;
}

.filter-item {
    margin-bottom: 0.75rem;
}

.filter-link {
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.95rem;
    padding: 0.25rem 0;
    cursor: pointer;
}

.filter-link:hover, .filter-link.active {
    color: var(--primary);
}

.filter-link span.count {
    font-size: 0.8rem;
    background: rgba(255, 255, 255, 0.05);
    padding: 0.15rem 0.5rem;
    border-radius: 10px;
    border: 1px solid var(--border-glass);
}

.filter-link.active span.count {
    background: rgba(239, 178, 57, 0.1);
    border-color: var(--primary);
    color: var(--primary);
}

.catalog-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
    gap: 1.5rem;
}

.search-box {
    position: relative;
    max-width: 400px;
    width: 100%;
}

.search-input {
    width: 100%;
    padding: 0.85rem 1.2rem 0.85rem 2.75rem;
    border-radius: 50px;
    background: var(--bg-glass-card);
    border: 1px solid var(--border-glass);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.search-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 15px var(--primary-glow);
    outline: none;
}

.search-icon {
    position: absolute;
    left: 1.1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1.1rem;
    pointer-events: none;
}

.sort-select {
    padding: 0.85rem 1.5rem;
    border-radius: 50px;
    background: var(--bg-glass-card);
    border: 1px solid var(--border-glass);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    outline: none;
    cursor: pointer;
    transition: var(--transition-fast);
}

.sort-select:focus {
    border-color: var(--primary);
}

.sort-select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

@media (max-width: 991px) {
    .shop-layout {
        flex-direction: column;
    }
    .sidebar-filters {
        width: 100%;
        position: static;
    }
}

@media (max-width: 576px) {
    .catalog-controls {
        flex-direction: column;
        align-items: stretch;
    }
    .search-box {
        max-width: 100%;
    }
}

/* Product Card Component */
.product-card {
    background: var(--bg-glass-card);
    border: 1px solid var(--border-glass);
    border-radius: 20px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-sm);
    position: relative;
}

.product-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-glass-focus);
    box-shadow: var(--shadow-lg), 0 0 20px rgba(239, 178, 57, 0.1);
}

.product-img-container {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1;
    overflow: hidden;
}

.product-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

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

.product-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: var(--primary);
    color: hsl(222, 25%, 6%);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.35rem 0.75rem;
    border-radius: 12px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.product-info {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-cat {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--teal-wave);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.product-name {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
    padding-top: 1rem;
    border-top: 1px solid var(--border-glass);
}

.product-price {
    font-family: var(--font-body);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.add-to-cart-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-glass);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: var(--transition-fast);
}

.product-card:hover .add-to-cart-btn {
    background: var(--primary);
    border-color: var(--primary);
    color: hsl(222, 25%, 6%);
    box-shadow: 0 0 10px rgba(239, 178, 57, 0.4);
}

.add-to-cart-btn:hover {
    transform: scale(1.1);
}

/* Slide-in Drawer Cart */
.cart-overlay-bg {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-smooth);
    backdrop-filter: blur(5px);
}

.cart-overlay-bg.open {
    opacity: 1;
    pointer-events: auto;
}

.cart-sidebar {
    position: fixed;
    top: 0;
    right: -450px;
    width: 450px;
    max-width: 100%;
    height: 100vh;
    background: hsl(222, 25%, 8%);
    border-left: 1px solid var(--border-glass);
    z-index: 1001;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
}

.cart-sidebar.open {
    right: 0;
}

.cart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem;
    border-bottom: 1px solid var(--border-glass);
}

.cart-title {
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.cart-title svg {
    color: var(--primary);
}

.close-cart-btn {
    font-size: 1.5rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-glass);
    transition: var(--transition-fast);
}

.close-cart-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.08);
}

.cart-items-container {
    flex-grow: 1;
    padding: 2rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.cart-empty-message {
    text-align: center;
    color: var(--text-muted);
    margin: auto;
    font-size: 1.05rem;
}

.cart-item {
    display: flex;
    gap: 1.25rem;
    align-items: center;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-glass);
    position: relative;
    animation: fadeIn 0.4s ease;
}

.cart-item-img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 12px;
    border: 1px solid var(--border-glass);
}

.cart-item-details {
    flex-grow: 1;
}

.cart-item-name {
    font-size: 1.05rem;
    margin-bottom: 0.25rem;
    font-family: var(--font-body);
    font-weight: 500;
}

.cart-item-price {
    font-size: 0.95rem;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.cart-item-quantity-controls {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border: 1px solid var(--border-glass);
    width: fit-content;
    padding: 0.25rem 0.5rem;
    border-radius: 30px;
    background: rgba(255, 255, 255, 0.02);
}

.qty-btn {
    font-size: 1rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    transition: var(--transition-fast);
}

.qty-btn:hover {
    color: var(--primary);
    background: rgba(255, 255, 255, 0.05);
}

.qty-val {
    font-size: 0.9rem;
    font-weight: 600;
    width: 20px;
    text-align: center;
}

.remove-item-btn {
    color: var(--text-muted);
    font-size: 1.2rem;
    transition: var(--transition-fast);
    padding: 0.5rem;
}

.remove-item-btn:hover {
    color: hsl(0, 80%, 60%);
}

.cart-footer {
    padding: 2rem;
    border-top: 1px solid var(--border-glass);
    background: var(--bg-secondary);
}

.cart-subtotal {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.cart-subtotal .price {
    color: var(--primary);
    font-size: 1.4rem;
    font-weight: 700;
}

.cart-checkout-btn {
    width: 100%;
}

/* Authentication Page Styles (auth.html) */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    position: relative;
    overflow: hidden;
    background-color: var(--bg-primary);
}

.auth-bg {
    position: absolute;
    inset: 0;
    z-index: 1;
    overflow: hidden;
}

.auth-bg::before {
    content: '';
    position: absolute;
    top: -30%;
    left: -20%;
    width: 60%;
    height: 90%;
    background: radial-gradient(circle, var(--teal-glow) 0%, transparent 65%);
    filter: blur(90px);
}

.auth-bg::after {
    content: '';
    position: absolute;
    bottom: -20%;
    right: -20%;
    width: 60%;
    height: 90%;
    background: radial-gradient(circle, var(--primary-glow) 0%, transparent 65%);
    filter: blur(90px);
}

.auth-container {
    position: relative;
    z-index: 2;
    display: flex;
    width: 1000px;
    max-width: 100%;
    height: 600px;
    background: var(--bg-glass-card);
    border: 1px solid var(--border-glass);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
}

.auth-visual-side {
    width: 50%;
    position: relative;
    overflow: hidden;
    border-right: 1px solid var(--border-glass);
}

.auth-visual-side img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.auth-visual-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10, 15, 26, 0.85) 0%, rgba(20, 184, 166, 0.4) 100%);
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.auth-visual-text h2 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.auth-visual-text p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.5;
}

.auth-form-side {
    width: 50%;
    position: relative;
    padding: 3.5rem;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.auth-card-container {
    width: 100%;
    position: relative;
    height: 100%;
}

.auth-form {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    transform: translateY(-50%);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 1;
    pointer-events: auto;
}

.auth-form.hidden {
    opacity: 0;
    pointer-events: none;
    transform: translateY(-50%) translateX(50px);
}

.auth-form.hidden-left {
    opacity: 0;
    pointer-events: none;
    transform: translateY(-50%) translateX(-50px);
}

.auth-header {
    margin-bottom: 2.5rem;
}

.auth-header h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.auth-header p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.auth-inputs {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.input-wrapper {
    position: relative;
}

.input-icon {
    position: absolute;
    left: 1.1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1.1rem;
    pointer-events: none;
}

.auth-input {
    width: 100%;
    padding: 0.9rem 1.2rem 0.9rem 2.85rem;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-glass);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition-fast);
}

.auth-input:focus {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--primary);
    box-shadow: 0 0 15px var(--primary-glow);
}

.auth-submit-btn {
    width: 100%;
    padding: 0.95rem;
    border-radius: 12px;
    font-weight: 600;
}

.auth-switch {
    margin-top: 1.5rem;
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.auth-switch-btn {
    color: var(--primary);
    font-weight: 600;
    margin-left: 0.25rem;
}

.auth-switch-btn:hover {
    text-decoration: underline;
}

@media (max-width: 991px) {
    .auth-container {
        height: auto;
        min-height: 550px;
    }
    .auth-visual-side {
        display: none;
    }
    .auth-form-side {
        width: 100%;
        padding: 3rem 2rem;
    }
}

/* Footer Section */
.footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-glass);
    padding: 5rem 0 2rem 0;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.footer-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.footer-socials {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.social-link:hover {
    color: var(--primary);
    border-color: var(--primary);
    background: rgba(239, 178, 57, 0.05);
    transform: translateY(-3px);
}

.footer-title {
    font-family: var(--font-body);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--primary);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: 5px;
}

.footer-newsletter p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.25rem;
}

.newsletter-form {
    display: flex;
    gap: 0.5rem;
}

.newsletter-input {
    flex-grow: 1;
    padding: 0.75rem 1.2rem;
    border-radius: 30px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-glass);
    color: var(--text-primary);
    outline: none;
    font-family: var(--font-body);
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.newsletter-input:focus {
    border-color: var(--primary);
}

.newsletter-btn {
    padding: 0.75rem 1.25rem;
    border-radius: 50%;
    background: var(--primary);
    color: hsl(222, 25%, 6%);
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.newsletter-btn:hover {
    background: var(--primary-hover);
    transform: scale(1.05);
}

.footer-bottom {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-glass);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-muted);
}

@media (max-width: 768px) {
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

/* Animations */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
}

@keyframes pulse {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(20, 184, 166, 0.6); }
    70% { transform: scale(1.05); box-shadow: 0 0 0 8px rgba(20, 184, 166, 0); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(20, 184, 166, 0); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Form Errors */
.error-msg {
    color: hsl(0, 80%, 65%);
    font-size: 0.8rem;
    margin-top: 0.35rem;
    display: none;
}

.input-wrapper.error .auth-input {
    border-color: hsl(0, 80%, 65%);
    box-shadow: 0 0 10px rgba(239, 68, 68, 0.15);
}

.input-wrapper.error .error-msg {
    display: block;
}

/* Alert Modal (Checkout simulation) */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-smooth);
}

.modal-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-glass-focus);
    box-shadow: var(--shadow-lg), 0 0 40px var(--primary-glow);
    padding: 3rem;
    border-radius: 24px;
    max-width: 450px;
    width: 90%;
    text-align: center;
    transform: scale(0.9);
    transition: var(--transition-smooth);
}

.modal-overlay.open .modal-content {
    transform: scale(1);
}

.modal-icon {
    font-size: 3.5rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
    animation: float 4s ease-in-out infinite;
}

.modal-title {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.modal-text {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}