:root {
    --primary-color: #6c5ce7;
    --secondary-color: #a29bfe;
    --text-color: #f5f6fa;
    --text-secondary: #dcdde1;
    --bg-color: #000000;
    --bg-secondary: #111111;
    --card-bg: #151515;
    --border-color: #4b4b4b;
    --success-color: #00b894;
    --warning-color: #fdcb6e;
    --danger-color: #d63031;
    --hero-text-color: #f5f6fa;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body.light-mode {
    --primary-color: #6c5ce7;
    --text-color: #2d3436;
    --text-secondary: #636e72;
    --bg-color: #ffffff;
    --bg-secondary: #f5f5f5;
    --card-bg: #f0f0f0;
    --border-color: #ddd;
    --hero-text-color: #2d3436;
}

body.light-mode .hero::after {
    background: radial-gradient(
        ellipse at center,
        rgba(255,255,255,0) 0%,
        rgba(255,255,255,0.7) 100%
    );
}

body.light-mode .hero::before {
    background-image: url('../images/hero-bg-light.png');
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: all 0.3s ease;
}

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

ul {
    list-style: none;
}

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

.btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 10px 20px;
    border-radius: 5px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
    font-size: 2.2rem;
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--primary-color);
}

/* Header styles */
.header {
    background-color: var(--bg-secondary);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: nowrap;
    position: relative;
}

.menu-items {
    display: flex;
    align-items: center;
}

.menu-toggle {
    display: none;
    cursor: pointer;
    font-weight: 600;
}

.logo a {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
}

.right-icons {
    display: flex;
    align-items: center;
    gap: 10px;
    justify-content: flex-end;
}

.navbar ul {
    display: flex;
}

.navbar ul li {
    margin-left: 30px;
}

.navbar ul li a {
    font-weight: 500;
    transition: color 0.3s ease;
}

.navbar ul li a:hover {
    color: var(--primary-color);
}

.navbar ul li a i {
    margin-right: 5px;
}

.search-box {
    display: flex;
    align-items: center;
    background-color: var(--card-bg);
    border-radius: 5px;
    padding: 5px 10px;
    margin: 0 20px;
}

.search-box input {
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-color);
    padding: 8px;
    width: 200px;
}

.search-box button {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color 0.3s ease;
}

.search-box button:hover {
    color: var(--primary-color);
}

.theme-toggle {
    cursor: pointer;
    font-size: 1.0rem;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    color: var(--primary-color);
    transform: rotate(30deg);
}

.hero {
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    background: url('../images/hero-bg-dark.png') center/cover;
    filter: blur(10px);
    z-index: -2;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(
        ellipse at center,
        rgba(0,0,0,0) 0%,
        rgba(0,0,0,1.0) 100%
    );
    z-index: -1;
}

.hero::before,
.hero::after {
    transition: all 0.5s ease;
}

.hero:hover::before {
    filter: blur(5px) brightness(0.9);
    transform: scale(1.03);
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--hero-text-color);
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 30px;
    color: var(--hero-text-color);
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

/* Products section */
.products {
    padding: 80px 0;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
}

.product-card {
    background-color: var(--card-bg);
    border-radius: 10px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.product-image {
    height: 200px;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.product-info {
    padding: 20px;
}

.product-info h3 {
    margin-bottom: 10px;
    font-size: 1.3rem;
}

.product-info p {
    color: var(--text-secondary);
    margin-bottom: 15px;
    font-size: 0.9rem;
}

.product-meta {
    display: flex;
    justify-content: space-between;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.product-meta span i {
    margin-right: 5px;
    color: var(--warning-color);
}

/* About section */
.about {
    padding: 80px 0;
    background-color: var(--bg-secondary);
}

.about-content {
    display: flex;
    align-items: center;
    gap: 40px;
}

.about-text {
    flex: 1;
}

.about-text h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.about-text p {
    margin-bottom: 15px;
    color: var(--text-secondary);
}

.about-image {
    flex: 1;
    border-radius: 10px;
    overflow: hidden;
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

.about-image:hover img {
    transform: scale(1.05);
}

/* Contact section */
.contact {
    padding: 80px 0;
}

.contact-content {
    display: flex;
    gap: 40px;
}

.contact-info {
    flex: 1;
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.contact-info p {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.contact-info p i {
    margin-right: 10px;
    color: var(--primary-color);
    width: 20px;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--card-bg);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
}

.contact-form {
    flex: 1;
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    color: var(--text-color);
    outline: none;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer styles */
.footer {
    background-color: var(--bg-secondary);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.footer-section p {
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

@media screen and (max-width: 1000px) {
    .menu-items {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 70px; 
        right: 10px;
        background-color: var(--bg-secondary);
        padding: 10px;
        box-shadow: 0 2px 10px rgba(0,0,0,0.2);
        border-radius: 5px;
        z-index: 999;
    }

    .menu-toggle {
        display: block;
    }

    .menu-items.show {
        display: flex;
    }

    .navbar {
        margin: 10px;
    }

    .navbar ul {
        flex-direction: column;
        margin: 0;
        padding: 0;
    }

    .navbar ul li {
        margin: 10px;
    }

    .about-content,
    .contact-content {
        flex-direction: column;
    }
    
    .about-image,
    .contact-info,
    .contact-form {
        width: 100%;
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
}

@media screen and (max-width: 500px) {
    .search-box {
        display: none;
    }
}