/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #ffffff;
    background: #0a0a0a;
    min-height: 100vh;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 193, 7, 0.2);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.nav-logo h2 {
    background: linear-gradient(135deg, #ffc107 0%, #ff8f00 50%, #ffc107 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    text-shadow: 0 0 30px rgba(255, 193, 7, 0.3);
    position: relative;
}

.nav-logo h2::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #ffc107, transparent);
    opacity: 0.6;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 35px;
}

.nav-link {
    color: #e0e0e0;
    text-decoration: none;
    font-weight: 500;
    padding: 10px 18px;
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    font-size: 1rem;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.1), rgba(255, 143, 0, 0.1));
    border-radius: 12px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.nav-link:hover::before,
.nav-link.active::before {
    opacity: 1;
}

.nav-link:hover,
.nav-link.active {
    color: #ffc107;
    transform: translateY(-2px);
    text-shadow: 0 0 10px rgba(255, 193, 7, 0.5);
}

/* Hero Section with Vaping Background */
.hero {
    background: radial-gradient(ellipse at center, #1a1a1a 0%, #0a0a0a 70%);
    padding: 120px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
}

/* Vaping Background Animation */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(255, 193, 7, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 143, 0, 0.08) 0%, transparent 50%);
    z-index: 1;
}

/* Smoke/Vapor Clouds */
.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 15% 80%, rgba(255, 255, 255, 0.03) 0%, transparent 40%),
        radial-gradient(circle at 85% 20%, rgba(255, 193, 7, 0.02) 0%, transparent 50%),
        radial-gradient(circle at 45% 60%, rgba(255, 255, 255, 0.02) 0%, transparent 35%),
        radial-gradient(circle at 75% 85%, rgba(255, 143, 0, 0.03) 0%, transparent 45%);
    animation: smokeFloat 20s ease-in-out infinite;
    z-index: 1;
}

@keyframes smokeFloat {
    0%, 100% { 
        transform: translateY(0) scale(1);
        opacity: 0.3;
    }
    25% { 
        transform: translateY(-20px) scale(1.1);
        opacity: 0.5;
    }
    50% { 
        transform: translateY(-10px) scale(1.05);
        opacity: 0.4;
    }
    75% { 
        transform: translateY(-30px) scale(1.15);
        opacity: 0.6;
    }
}

/* Floating Vapor Particles */
.vapor-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 2;
}

.vapor-particle {
    position: absolute;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: vaporRise linear infinite;
}

.vapor-particle:nth-child(1) {
    width: 4px;
    height: 4px;
    left: 10%;
    animation-duration: 8s;
    animation-delay: 0s;
}

.vapor-particle:nth-child(2) {
    width: 6px;
    height: 6px;
    left: 20%;
    animation-duration: 12s;
    animation-delay: 2s;
}

.vapor-particle:nth-child(3) {
    width: 3px;
    height: 3px;
    left: 30%;
    animation-duration: 10s;
    animation-delay: 4s;
}

.vapor-particle:nth-child(4) {
    width: 5px;
    height: 5px;
    left: 40%;
    animation-duration: 15s;
    animation-delay: 1s;
}

.vapor-particle:nth-child(5) {
    width: 4px;
    height: 4px;
    left: 50%;
    animation-duration: 9s;
    animation-delay: 3s;
}

.vapor-particle:nth-child(6) {
    width: 7px;
    height: 7px;
    left: 60%;
    animation-duration: 11s;
    animation-delay: 5s;
}

.vapor-particle:nth-child(7) {
    width: 3px;
    height: 3px;
    left: 70%;
    animation-duration: 13s;
    animation-delay: 2s;
}

.vapor-particle:nth-child(8) {
    width: 5px;
    height: 5px;
    left: 80%;
    animation-duration: 14s;
    animation-delay: 4s;
}

.vapor-particle:nth-child(9) {
    width: 4px;
    height: 4px;
    left: 90%;
    animation-duration: 16s;
    animation-delay: 1s;
}

.vapor-particle:nth-child(10) {
    width: 6px;
    height: 6px;
    left: 95%;
    animation-duration: 12s;
    animation-delay: 6s;
}

@keyframes vaporRise {
    0% {
        bottom: -10px;
        opacity: 0;
        transform: translateX(0) scale(0.5);
    }
    10% {
        opacity: 0.7;
        transform: translateX(10px) scale(0.8);
    }
    50% {
        opacity: 0.4;
        transform: translateX(-20px) scale(1.2);
    }
    80% {
        opacity: 0.2;
        transform: translateX(30px) scale(1.5);
    }
    100% {
        top: -10px;
        opacity: 0;
        transform: translateX(-10px) scale(2);
    }
}

/* Ambient Glow Effect */
.ambient-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(255, 193, 7, 0.03) 0%, transparent 70%);
    border-radius: 50%;
    animation: ambientPulse 6s ease-in-out infinite;
    z-index: 1;
}

@keyframes ambientPulse {
    0%, 100% { 
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.3;
    }
    50% { 
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 0.1;
    }
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 10;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 25px;
    background: linear-gradient(135deg, #ffffff 0%, #ffc107 30%, #ff8f00 70%, #ffffff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
    letter-spacing: -1px;
    text-shadow: 0 0 30px rgba(255, 193, 7, 0.2);
}

.hero p {
    font-size: 1.3rem;
    color: #b0b0b0;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.cta-button {
    display: inline-block;
    background: linear-gradient(135deg, #ffc107 0%, #ff8f00 100%);
    color: #000;
    padding: 18px 45px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 
        0 8px 25px rgba(255, 193, 7, 0.3),
        0 0 0 1px rgba(255, 193, 7, 0.1);
    position: relative;
    overflow: hidden;
    z-index: 10;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 
        0 12px 35px rgba(255, 193, 7, 0.4),
        0 0 0 1px rgba(255, 193, 7, 0.2);
}

/* Products Section */
.products-section {
    padding: 100px 0;
    background: linear-gradient(180deg, #0a0a0a 0%, #1a1a1a 50%, #0a0a0a 100%);
    position: relative;
}

.section-title {
    text-align: center;
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 60px;
    background: linear-gradient(135deg, #ffc107 0%, #ff8f00 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, transparent, #ffc107, transparent);
}

/* Category Filter Buttons */
.category-filters {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.category-btn {
    background: linear-gradient(145deg, #1a1a1a, #0f0f0f);
    border: 1px solid rgba(255, 193, 7, 0.2);
    color: #e0e0e0;
    padding: 12px 25px;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.category-btn:hover,
.category-btn.active {
    background: linear-gradient(135deg, #ffc107 0%, #ff8f00 100%);
    color: #000;
    border-color: #ffc107;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 193, 7, 0.3);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 35px;
    margin-top: 50px;
}

.product-card {
    background: linear-gradient(145deg, #1a1a1a, #0f0f0f);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 193, 7, 0.1);
    position: relative;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.05), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: 20px;
}

.product-card:hover::before {
    opacity: 1;
}

.product-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.4),
        0 0 0 1px rgba(255, 193, 7, 0.2);
    border-color: rgba(255, 193, 7, 0.3);
}

/* Category Badge */
.category-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 0.75rem;
    font-weight: 700;
    z-index: 10;
    backdrop-filter: blur(10px);
}

.category-liquid {
    background: rgba(116, 185, 255, 0.2);
    color: #74b9ff;
    border: 1px solid rgba(116, 185, 255, 0.3);
}

.category-temporary {
    background: rgba(253, 121, 168, 0.2);
    color: #fd79a8;
    border: 1px solid rgba(253, 121, 168, 0.3);
}

.category-electronic {
    background: rgba(0, 184, 148, 0.2);
    color: #00b894;
    border: 1px solid rgba(0, 184, 148, 0.3);
}

.product-image {
    height: 220px;
    overflow: hidden;
    position: relative;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.product-info {
    padding: 25px;
}

.product-info h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: #ffffff;
    line-height: 1.3;
}

.product-price {
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, #ffc107 0%, #ff8f00 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
}

/* Color Preview */
.color-preview {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.flavor-icon-preview {
    font-size: 1.2rem;
    transition: all 0.3s ease;
    cursor: pointer;
    padding: 2px;
    border-radius: 50%;
}

.flavor-icon-preview:hover {
    transform: scale(1.2);
    filter: drop-shadow(0 0 5px rgba(255, 193, 7, 0.5));
}

.color-dot {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.2);
    cursor: pointer;
    transition: all 0.3s ease;
}

.color-dot:hover {
    transform: scale(1.2);
    border-color: #ffc107;
}

.more-colors {
    color: #b0b0b0;
    font-size: 0.8rem;
    font-weight: 600;
}

.buy-button {
    display: inline-block;
    background: linear-gradient(135deg, #ffc107 0%, #ff8f00 100%);
    color: #000;
    padding: 14px 32px;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 700;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 6px 20px rgba(255, 193, 7, 0.3);
    position: relative;
    overflow: hidden;
}

.buy-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.buy-button:hover::before {
    left: 100%;
}

.buy-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 193, 7, 0.4);
}

/* Color Selection in Purchase Page */
.color-selection {
    margin-top: 20px;
}

.color-selection-label {
    display: block;
    margin-bottom: 15px;
    font-weight: 700;
    color: #ffc107;
    font-size: 1.1rem;
}

.color-options-purchase {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: flex-start;
    max-width: 100%;
    overflow-x: auto;
    padding: 5px 0;
}

.color-option {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding: 12px 16px;
    border-radius: 15px;
    border: 2px solid transparent;
    transition: all 0.3s ease;
    background: rgba(26, 26, 26, 0.5);
    min-width: fit-content;
    white-space: nowrap;
    flex-shrink: 0;
}

.color-option:hover {
    border-color: rgba(255, 193, 7, 0.3);
    background: rgba(26, 26, 26, 0.8);
}

.color-option input[type="radio"] {
    display: none;
}

.color-option input[type="radio"]:checked + .color-circle {
    border-color: #ffc107;
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(255, 193, 7, 0.5);
}

.color-option input[type="radio"]:checked + .flavor-icon {
    transform: scale(1.2);
    filter: drop-shadow(0 0 8px rgba(255, 193, 7, 0.6));
}

.color-option input[type="radio"]:checked ~ .color-name {
    color: #ffc107;
    font-weight: 700;
}

.flavor-icon {
    font-size: 1.8rem;
    transition: all 0.3s ease;
    margin-bottom: 0;
}

.color-circle {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 3px solid rgba(255, 255, 255, 0.2);
    margin-bottom: 0;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.color-name {
    font-size: 0.85rem;
    color: #b0b0b0;
    text-align: right;
    font-weight: 500;
    transition: all 0.3s ease;
    margin-bottom: 0;
}

/* Horizontal scrolling for mobile */
@media (max-width: 768px) {
    .color-options-purchase {
        overflow-x: auto;
        scrollbar-width: thin;
        scrollbar-color: rgba(255, 193, 7, 0.3) transparent;
    }
    
    .color-options-purchase::-webkit-scrollbar {
        height: 4px;
    }
    
    .color-options-purchase::-webkit-scrollbar-track {
        background: rgba(26, 26, 26, 0.3);
        border-radius: 2px;
    }
    
    .color-options-purchase::-webkit-scrollbar-thumb {
        background: rgba(255, 193, 7, 0.5);
        border-radius: 2px;
    }
    
    .color-option {
        padding: 10px 14px;
        gap: 6px;
    }
    
    .flavor-icon {
        font-size: 1.5rem;
    }
    
    .color-circle {
        width: 16px;
        height: 16px;
    }
    
    .color-name {
        font-size: 0.8rem;
    }
}

/* Contact Section */
.contact-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #1a1a1a 0%, #0a0a0a 100%);
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.contact-item {
    text-align: center;
    padding: 40px 30px;
    background: linear-gradient(145deg, #1a1a1a, #0f0f0f);
    border-radius: 20px;
    border: 1px solid rgba(255, 193, 7, 0.1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.contact-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.05), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.contact-item:hover::before {
    opacity: 1;
}

.contact-item:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 193, 7, 0.3);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

.contact-item h3 {
    background: linear-gradient(135deg, #ffc107 0%, #ff8f00 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 15px;
    font-size: 1.3rem;
    font-weight: 700;
}

.contact-item p {
    color: #b0b0b0;
    font-size: 1.1rem;
    line-height: 1.6;
}

/* Forms */
.form {
    background: linear-gradient(145deg, #1a1a1a, #0f0f0f);
    padding: 50px;
    border-radius: 25px;
    border: 1px solid rgba(255, 193, 7, 0.1);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

.form-group {
    margin-bottom: 30px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    background: linear-gradient(135deg, #ffc107 0%, #ff8f00 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px 20px;
    border: 1px solid rgba(255, 193, 7, 0.2);
    border-radius: 12px;
    background: rgba(26, 26, 26, 0.8);
    color: #ffffff;
    font-size: 1rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #ffc107;
    box-shadow: 0 0 0 3px rgba(255, 193, 7, 0.1);
    background: rgba(26, 26, 26, 0.9);
}

.submit-button {
    background: linear-gradient(135deg, #ffc107 0%, #ff8f00 100%);
    color: #000;
    border: none;
    padding: 18px 45px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 25px rgba(255, 193, 7, 0.3);
    position: relative;
    overflow: hidden;
}

.submit-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.submit-button:hover::before {
    left: 100%;
}

.submit-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(255, 193, 7, 0.4);
}

/* Purchase Page */
.purchase-container {
    max-width: 700px;
    margin: 60px auto;
    padding: 0 20px;
}

.purchase-form h2 {
    text-align: center;
    background: linear-gradient(135deg, #ffc107 0%, #ff8f00 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 40px;
    font-size: 2.5rem;
    font-weight: 800;
}

.product-summary {
    display: flex;
    align-items: flex-start;
    gap: 25px;
    background: linear-gradient(145deg, #1a1a1a, #0f0f0f);
    padding: 30px;
    border-radius: 20px;
    margin-bottom: 40px;
    border: 1px solid rgba(255, 193, 7, 0.1);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.product-summary img {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    flex-shrink: 0;
}

.product-summary h3 {
    color: #ffffff;
    margin-bottom: 8px;
    font-size: 1.3rem;
    font-weight: 700;
}

.product-summary .price {
    background: linear-gradient(135deg, #ffc107 0%, #ff8f00 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 15px;
}

.success-message {
    text-align: center;
    background: linear-gradient(145deg, #1a1a1a, #0f0f0f);
    padding: 60px 40px;
    border-radius: 25px;
    border: 1px solid rgba(255, 193, 7, 0.2);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

.success-message h2 {
    background: linear-gradient(135deg, #ffc107 0%, #ff8f00 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 25px;
    font-size: 2.2rem;
    font-weight: 800;
}

.success-message p {
    color: #b0b0b0;
    margin-bottom: 20px;
    font-size: 1.1rem;
    line-height: 1.6;
}

.back-button {
    display: inline-block;
    background: linear-gradient(135deg, #ffc107 0%, #ff8f00 100%);
    color: #000;
    padding: 15px 35px;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 700;
    margin-top: 25px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 6px 20px rgba(255, 193, 7, 0.3);
}

.back-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 193, 7, 0.4);
}

/* Admin Panel */
.admin-login {
    max-width: 450px;
    margin: 80px auto;
    padding: 0 20px;
}

.admin-login h2 {
    text-align: center;
    background: linear-gradient(135deg, #ffc107 0%, #ff8f00 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 40px;
    font-size: 2.5rem;
    font-weight: 800;
}

.admin-dashboard {
    margin: 60px auto;
    padding: 0 20px;
}

.admin-dashboard h2 {
    background: linear-gradient(135deg, #ffc107 0%, #ff8f00 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 25px;
    font-size: 2.5rem;
    font-weight: 800;
}

.dashboard-info {
    color: #b0b0b0;
    margin-bottom: 40px;
    font-size: 1.2rem;
    font-weight: 500;
}

.table-container {
    overflow-x: auto;
    background: linear-gradient(145deg, #1a1a1a, #0f0f0f);
    border-radius: 20px;
    border: 1px solid rgba(255, 193, 7, 0.1);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
}

.admin-table th,
.admin-table td {
    padding: 20px;
    text-align: left;
    border-bottom: 1px solid rgba(255, 193, 7, 0.1);
}

.admin-table th {
    background: rgba(26, 26, 26, 0.8);
    background: linear-gradient(135deg, #ffc107 0%, #ff8f00 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    font-size: 1rem;
}

.admin-table td {
    color: #b0b0b0;
    font-size: 0.95rem;
}

.admin-table tr:hover {
    background: rgba(255, 193, 7, 0.05);
}

/* Error and Success Messages */
.error-messages {
    background: linear-gradient(135deg, rgba(220, 38, 38, 0.1), rgba(185, 28, 28, 0.1));
    border: 1px solid rgba(220, 38, 38, 0.3);
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 25px;
    backdrop-filter: blur(10px);
}

.error {
    color: #fca5a5;
    margin-bottom: 8px;
    font-weight: 500;
}

.no-data {
    text-align: center;
    color: #64748b;
    font-style: italic;
    margin-top: 50px;
    font-size: 1.1rem;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #1a1a1a 0%, #0a0a0a 100%);
    padding: 60px 0;
    text-align: center;
    border-top: 1px solid rgba(255, 193, 7, 0.1);
    margin-top: 80px;
}

.footer p {
    color: #64748b;
    font-size: 1rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        height: auto;
        padding: 20px;
        gap: 20px;
    }
    
    .nav-menu {
        gap: 20px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .nav-link {
        padding: 8px 15px;
        font-size: 0.9rem;
    }
    
    .hero {
        padding: 80px 0;
    }
    
    .hero h1 {
        font-size: 2.8rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .product-summary {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
    
    .form {
        padding: 30px 25px;
    }
    
    .admin-table {
        font-size: 0.85rem;
    }
    
    .admin-table th,
    .admin-table td {
        padding: 12px 8px;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .purchase-form h2,
    .admin-login h2,
    .admin-dashboard h2 {
        font-size: 2rem;
    }
    
    .category-filters {
        gap: 10px;
    }
    
    .category-btn {
        padding: 10px 20px;
        font-size: 0.8rem;
    }
    
    .color-options-purchase {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
        gap: 10px;
    }
    
    /* Mobile vapor particles */
    .vapor-particle {
        width: 3px !important;
        height: 3px !important;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .products-section,
    .contact-section {
        padding: 60px 0;
    }
    
    .nav-logo h2 {
        font-size: 1.8rem;
    }
    
    .cta-button,
    .submit-button {
        padding: 15px 35px;
        font-size: 1rem;
    }
    
    .buy-button {
        padding: 12px 25px;
        font-size: 0.9rem;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

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

::-webkit-scrollbar-track {
    background: #1a1a1a;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #ffc107, #ff8f00);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #ff8f00, #ffc107);
}

/* Loading animation */
@keyframes shimmer {
    0% { background-position: -200px 0; }
    100% { background-position: calc(200px + 100%) 0; }
}

.loading {
    background: linear-gradient(90deg, #1a1a1a 0px, #2a2a2a 40px, #1a1a1a 80px);
    background-size: 200px;
    animation: shimmer 1.5s infinite;
}

/* Fade in animation */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}