* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #00d4ff;
    --secondary-color: #7b2cbf;
    --bg-dark: #0a0a0f;
    --bg-darker: #050508;
    --bg-card: #151520;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --accent: #ff6b35;
    --gradient: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(0, 212, 255, 0.2);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: bold;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s;
    position: relative;
}

.nav-menu a:hover {
    color: var(--primary-color);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: width 0.3s;
}

.nav-menu a:hover::after {
    width: 100%;
}

.admin-link {
    color: var(--accent) !important;
}

/* Admin menu item - hidden by default, shown only for dem0rg user */
#admin-menu-item {
    display: none !important;
}

#admin-menu-item.show {
    display: block !important;
}

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

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(123, 44, 191, 0.1) 0%, transparent 50%);
    animation: pulse 10s ease-in-out infinite;
    z-index: -1;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.hero-content {
    z-index: 1;
    max-width: 800px;
    padding: 2rem;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease-out 0.2s both;
}

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

.btn-primary {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--gradient);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    transition: transform 0.3s, box-shadow 0.3s;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.4);
}

/* Sections */
section {
    padding: 5rem 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Portfolio */
.portfolio {
    background: var(--bg-darker);
}

.portfolio-controls {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.search-box {
    flex: 1;
    min-width: 250px;
}

.search-input {
    width: 100%;
    padding: 1rem;
    background: var(--bg-card);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 25px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s;
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.sort-controls {
    min-width: 200px;
}

.sort-select {
    width: 100%;
    padding: 1rem;
    background: var(--bg-card);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 25px;
    color: var(--text-primary);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s;
}

.sort-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.price-filter {
    background: var(--bg-card);
    padding: 1.5rem;
    border-radius: 15px;
    margin-bottom: 2rem;
    border: 1px solid rgba(0, 212, 255, 0.1);
}

.price-filter label {
    display: block;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-weight: 500;
}

.price-filter input[type="range"] {
    width: 100%;
    margin: 0.5rem 0;
    accent-color: var(--primary-color);
}

.price-range-display {
    text-align: center;
    color: var(--primary-color);
    font-weight: bold;
    margin-top: 0.5rem;
    font-size: 1.1rem;
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3rem;
}

.filter-btn {
    padding: 0.7rem 1.5rem;
    background: var(--bg-card);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 25px;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s;
    font-size: 0.95rem;
    font-weight: 500;
}

.filter-btn:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 212, 255, 0.2);
}

.filter-btn.active {
    background: var(--gradient);
    border-color: transparent;
    color: white;
    box-shadow: 0 5px 20px rgba(0, 212, 255, 0.4);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.portfolio-item {
    background: var(--bg-card);
    border-radius: 15px;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
    cursor: pointer;
    border: 1px solid rgba(0, 212, 255, 0.1);
    position: relative;
}

.favorite-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.6);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    backdrop-filter: blur(5px);
}

.favorite-btn:hover {
    background: rgba(0, 0, 0, 0.8);
    border-color: var(--primary-color);
    transform: scale(1.1);
}

.favorite-btn.active {
    color: #ffd700;
    border-color: #ffd700;
    background: rgba(255, 215, 0, 0.2);
}

.cart-btn {
    padding: 0.6rem 1.2rem;
    background: var(--gradient);
    border: none;
    border-radius: 8px;
    color: white;
    font-size: 0.9rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
}

.cart-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 212, 255, 0.3);
}

.cart-btn.in-cart {
    background: rgba(0, 212, 255, 0.2);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.compare-btn {
    position: absolute;
    top: 10px;
    right: 60px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.6);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    backdrop-filter: blur(5px);
}

.compare-btn:hover {
    background: rgba(0, 0, 0, 0.8);
    border-color: var(--primary-color);
    transform: scale(1.1);
}

.compare-btn.active {
    color: var(--primary-color);
    border-color: var(--primary-color);
    background: rgba(0, 212, 255, 0.2);
}

.portfolio-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.2);
    border-color: var(--primary-color);
}

.portfolio-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
    background: var(--bg-darker);
}

.portfolio-item img[src$=".gif"] {
    object-fit: contain;
}

.portfolio-item-info {
    padding: 1.5rem;
}

.portfolio-item-title {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.portfolio-item-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.empty-portfolio {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
    grid-column: 1 / -1;
}

/* About */
.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

/* Contacts */
.contacts {
    background: var(--bg-darker);
}

.contacts-content {
    max-width: 600px;
    margin: 0 auto;
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(0, 212, 255, 0.1);
}

.contact-item {
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 1.1rem;
}

.contact-item:last-child {
    border-bottom: none;
}

.contact-item strong {
    color: var(--primary-color);
    display: inline-block;
    min-width: 120px;
}

/* Footer */
.footer {
    background: var(--bg-darker);
    text-align: center;
    padding: 2rem 0;
    color: var(--text-secondary);
    border-top: 1px solid rgba(0, 212, 255, 0.1);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
}

.modal-content {
    position: relative;
    margin: 5% auto;
    max-width: 900px;
    background: var(--bg-card);
    border-radius: 15px;
    overflow: hidden;
    border: 1px solid rgba(0, 212, 255, 0.3);
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 25px;
    color: var(--text-primary);
    font-size: 35px;
    font-weight: bold;
    cursor: pointer;
    z-index: 2001;
    transition: color 0.3s;
}

.modal-close:hover {
    color: var(--primary-color);
}

.modal-content img {
    width: 100%;
    max-height: 600px;
    object-fit: contain;
    display: block;
    background: var(--bg-darker);
}

.modal-content img[src$=".gif"] {
    object-fit: contain;
    background: var(--bg-darker);
}

.modal-info {
    padding: 2rem;
}

.modal-info h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.modal-info p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        gap: 1rem;
        font-size: 0.9rem;
    }

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

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 2rem;
    }
}