/* CSS Custom Properties */
:root {
    --color-primary: #2563eb;
    --color-text: #1f2937;
    --color-text-light: #6b7280;
    --color-text-white: #ffffff;
    --color-background: #ffffff;
    --color-surface: #f8fafc;
    --color-border: #e2e8f0;
    --color-overlay: rgba(0, 0, 0, 0.4);
    
    --font-family-script: 'Dancing Script', cursive;
    --font-family-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-base: 16px;
    --font-size-lg: 18px;
    --font-size-xl: 24px;
    --font-size-2xl: 32px;
    --font-size-3xl: 48px;
    --font-size-4xl: 64px;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    --border-radius: 8px;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family-sans);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-background);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Hero Section - Full Screen with Background */
.hero {
    height: 100vh;
    background: linear-gradient(var(--color-overlay), var(--color-overlay)),
                url('https://images.unsplash.com/photo-1506905925346-21bda4d32df4?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80') center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
}

.hero__content {
    color: var(--color-text-white);
}

.hero__title {
    font-family: var(--font-family-script);
    font-size: var(--font-size-4xl);
    font-weight: 600;
    margin-bottom: var(--spacing-xl);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero__nav {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    background-color: rgba(0, 0, 0, 0.7);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius);
}

.nav__link {
    color: var(--color-text-white);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    letter-spacing: 1px;
    padding: var(--spacing-xs) var(--spacing-sm);
    transition: all 0.3s ease;
    border-radius: 4px;
}

.nav__link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-1px);
}

/* Projects Section */
.projects {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-background);
}

.projects__title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--color-text);
}

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

/* About Section */
.about {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-surface);
    text-align: center;
}

.about__title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text);
}

.about__description {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.8;
}

/* Footer */
.footer {
    background-color: var(--color-text);
    color: var(--color-text-white);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
    text-align: center;
}

.footer__title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.footer__links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.footer__link {
    color: var(--color-text-white);
    text-decoration: none;
    font-size: var(--font-size-lg);
    transition: opacity 0.3s ease;
}

.footer__link:hover {
    opacity: 0.8;
}

.footer__text {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero__title {
        font-size: var(--font-size-3xl);
    }
    
    .hero__nav {
        flex-direction: column;
        gap: var(--spacing-sm);
        padding: var(--spacing-md);
    }
    
    .nav__link {
        padding: var(--spacing-sm);
    }
    
    .projects__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .footer__links {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .hero__title {
        font-size: 2.5rem;
    }
    
    .projects,
    .about {
        padding: var(--spacing-2xl) 0;
    }
}