/* Mobile Observatory Pro - Main Layout Styles */
@import url('variables.css');
@import url('base.css');
@import url('components.css');

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.header.scrolled {
    background: var(--color-bg-secondary);
    box-shadow: var(--shadow-md);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

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

.logo img {
    height: 40px;
    width: auto;
}

.logo span {
    font-weight: 600;
    font-size: var(--font-size-lg);
}

.nav {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav a {
    color: var(--color-text-secondary);
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 10px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: all var(--transition-fast);
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: calc(var(--header-height) + var(--space-3xl)) var(--space-lg) var(--space-3xl);
    position: relative;
    overflow: hidden;
}

/* Background image */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/backgrounds/bg_milkyway.jpg') center center / cover no-repeat;
    z-index: -2;
}

/* Dark overlay for text readability */
.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-hero);
    z-index: -1;
}

.hero-content {
    max-width: 800px;
}

.hero-logo {
    width: 120px;
    height: 120px;
    margin: 0 auto var(--space-xl);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.hero h1 {
    margin-bottom: var(--space-md);
}

.hero .subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2xl);
}

/* Features Section */
.features-section {
    background: var(--color-bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2xl);
}

.feature-list {
    margin-top: var(--space-md);
}

.feature-list li {
    position: relative;
    padding-left: var(--space-lg);
    margin-bottom: var(--space-sm);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

.feature-list li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--color-primary);
}

/* Pro Features Section */
.pro-features-section {
    background: var(--color-bg-primary);
}

.pro-features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
}

/* Screenshots Section */
.screenshots-section {
    background: var(--color-bg-secondary);
    overflow: hidden;
}

/* Testimonials Section */
.testimonials-section {
    background: var(--color-bg-primary);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
}

/* Changelog Section */
.changelog-section {
    background: var(--color-bg-secondary);
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--color-bg-secondary), var(--color-bg-tertiary));
    text-align: center;
    padding: var(--space-4xl) 0;
}

.cta-section h2 {
    margin-bottom: var(--space-md);
}

.cta-section p {
    margin-bottom: var(--space-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Footer */
.footer {
    background: var(--color-bg-tertiary);
    padding: var(--space-2xl) 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-lg);
}

.footer-links {
    display: flex;
    gap: var(--space-xl);
}

.footer-links a {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.footer-links a:hover {
    color: var(--color-primary);
}

.footer-copyright {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

/* Responsive */
@media (max-width: 992px) {
    .features-grid,
    .pro-features-grid,
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
        position: absolute;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: var(--color-bg-secondary);
        flex-direction: column;
        padding: var(--space-xl);
        gap: var(--space-lg);
        box-shadow: var(--shadow-lg);
    }
    
    .nav.active {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .features-grid,
    .pro-features-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .stats {
        gap: var(--space-xl);
    }
    
    .hero-logo {
        width: 80px;
        height: 80px;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* Animations */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger animation delays */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }

/* Language Switcher */
.language-switcher {
    display: flex;
    gap: var(--space-xs);
    margin-left: var(--space-lg);
}

.lang-link {
    padding: var(--space-xs) var(--space-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
}

.lang-link:hover {
    color: var(--color-text-primary);
    background: var(--color-bg-card);
}

.lang-link.active {
    color: var(--color-primary);
    font-weight: 600;
}

@media (max-width: 768px) {
    .language-switcher {
        position: absolute;
        top: calc(var(--header-height) + var(--space-md));
        right: var(--space-lg);
        margin-left: 0;
    }
}