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

:root {
    --color-primary: #0F1629;
    --color-secondary: #00D4FF;
    --color-accent: #FF0080;
    --color-neutral: #2C2C2C;
    --color-neutral-light: #4A4A4A;
    --color-white: #FFFFFF;
    --color-background: #0A0F1C;
    --color-surface: #141B2E;
    
    --font-heading: 'Arial Black', 'Helvetica Neue', Arial, sans-serif;
    --font-body: 'Helvetica Neue', Arial, sans-serif;
    
    --container-width: 1200px;
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-2xl: 64px;
    
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--color-white);
    background-color: var(--color-background);
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }

p {
    margin-bottom: var(--spacing-sm);
    color: #B0BED9;
}

/* Header */
.header {
    background-color: var(--color-primary);
    padding: var(--spacing-md) 0;
    position: relative;
}

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

.logo-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo {
    width: 48px;
    height: 48px;
}

.brand-name {
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--color-white);
    margin: 0;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-surface) 100%);
    padding: var(--spacing-2xl) 0;
}

.hero-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.hero-content {
    text-align: center;
    text-align: left;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image {
    width: 100%;
    max-width: 500px;
    height: 350px;
    object-fit: cover;
    border-radius: var(--border-radius);
    border: 2px solid var(--color-secondary);
    box-shadow: 0 8px 32px rgba(0, 212, 255, 0.2);
}

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

.hero-title {
    font-size: 2.8rem;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-white) 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xl);
    color: #B0BED9;
    line-height: 1.6;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    color: #B0BED9;
    font-size: 0.9rem;
}

/* Sections */
section {
    padding: var(--spacing-2xl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--color-white);
}

/* Features */
.features {
    background-color: var(--color-surface);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    background-color: var(--color-primary);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    text-align: center;
    border: 2px solid transparent;
    transition: var(--transition);
}

.feature-card:hover {
    border-color: var(--color-secondary);
    transform: translateY(-4px);
}

.feature-icon {
    margin-bottom: var(--spacing-md);
}

/* Content Split Sections */
.content-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.content-split.reverse {
    direction: rtl;
}

.content-split.reverse > * {
    direction: ltr;
}

.leaks-tracker {
    background-color: var(--color-surface);
}

.announcement-radar {
    background-color: var(--color-primary);
}

.patch-digest {
    background-color: var(--color-surface);
}

.feature-list {
    list-style: none;
    margin-top: var(--spacing-md);
}

.feature-list li {
    padding: var(--spacing-xs) 0;
    position: relative;
    padding-left: var(--spacing-md);
    color: #B0BED9;
}

.feature-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-secondary);
    font-weight: bold;
}

.placeholder-image {
    background: linear-gradient(135deg, var(--color-neutral) 0%, var(--color-neutral-light) 100%);
    height: 300px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-weight: bold;
    border: 2px dashed var(--color-secondary);
}

.content-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: var(--border-radius);
    border: 2px solid var(--color-secondary);
    box-shadow: 0 4px 16px rgba(0, 212, 255, 0.1);
}

/* Products */
.products {
    background-color: var(--color-primary);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.product-card {
    background-color: var(--color-surface);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    text-align: center;
    border: 2px solid transparent;
    transition: var(--transition);
}

.product-card.featured {
    border-color: var(--color-secondary);
    transform: scale(1.05);
}

.product-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
}

.product-card.featured:hover {
    transform: scale(1.05) translateY(-4px);
}

.price {
    font-size: 2rem;
    font-weight: 900;
    color: var(--color-secondary);
    margin: var(--spacing-sm) 0;
}

.product-features {
    list-style: none;
    margin: var(--spacing-md) 0;
    text-align: left;
}

.product-features li {
    padding: var(--spacing-xs) 0;
    position: relative;
    padding-left: var(--spacing-md);
    color: #B0BED9;
}

.product-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-secondary);
    font-weight: bold;
}

.btn-product {
    background-color: var(--color-accent);
    color: var(--color-white);
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
    font-size: 1rem;
}

.btn-product:hover {
    background-color: #E6007A;
    transform: translateY(-2px);
}

/* Why Choose */
.why-choose {
    background-color: var(--color-surface);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.advantage-item {
    padding: var(--spacing-md);
    border-left: 4px solid var(--color-secondary);
    background-color: var(--color-primary);
    border-radius: var(--border-radius);
}

.advantage-item h3 {
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
}

/* Contact */
.contact {
    background-color: var(--color-primary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-2xl);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-item h3 {
    color: var(--color-secondary);
    margin-bottom: var(--spacing-xs);
}

.contact-form {
    background-color: var(--color-surface);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    border: 1px solid var(--color-neutral-light);
    border-radius: var(--border-radius);
    background-color: var(--color-neutral);
    color: var(--color-white);
    font-family: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--color-secondary);
}

.btn-primary {
    background-color: var(--color-secondary);
    color: var(--color-primary);
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius);
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
}

.btn-primary:hover {
    background-color: #00B8E6;
    transform: translateY(-2px);
}

/* Footer */
.footer {
    background-color: var(--color-background);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    border-top: 1px solid var(--color-neutral);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    align-items: start;
}

.footer-brand {
    max-width: 400px;
}

.footer-brand .logo-section .logo {
    width: 36px;
    height: 36px;
}

.footer-brand .brand-name {
    font-size: 1.2rem;
}

.footer-brand p {
    margin-top: var(--spacing-sm);
    color: #B0BED9;
    line-height: 1.5;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
    min-width: 300px;
}

.footer-column h4 {
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
    font-size: 1rem;
    font-weight: 700;
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-column ul li a {
    color: #B0BED9;
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.95rem;
}

.footer-column ul li a:hover {
    color: var(--color-secondary);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-neutral);
    color: #B0BED9;
    font-size: 0.9rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
}

.modal-content {
    background-color: var(--color-surface);
    margin: 5% auto;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 500px;
    position: relative;
}

.close {
    color: var(--color-white);
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-md);
}

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

#orderForm input,
#orderForm textarea {
    width: 100%;
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    border: 1px solid var(--color-neutral-light);
    border-radius: var(--border-radius);
    background-color: var(--color-neutral);
    color: var(--color-white);
    font-family: inherit;
}

#orderForm input:focus,
#orderForm textarea:focus {
    outline: none;
    border-color: var(--color-secondary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-layout {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .hero-content {
        text-align: center;
        order: 2;
    }
    
    .hero-visual {
        order: 1;
    }
    
    .hero-image {
        height: 250px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .content-split {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        min-width: auto;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
}