// Variables
$primary-color: #3498db;
$secondary-color: #2c3e50;
$text-color: #333;
$light-color: #fff;
$dark-color: #222;
$overlay-color: rgba(0, 0, 0, 0.6);
$blur-amount: 5px;
$section-padding: 2rem;
$max-content-width: 1200px;

// Mixins
@mixin flex-center {
    display: flex;
    justify-content: center;
    align-items: center;
}

@mixin absolute-cover {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

// Base Styles
body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: $text-color;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

// Portfolio Container
.portfolio {
    scroll-snap-type: y mandatory;
  overflow-y: scroll;
  height: 100vh;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-y: contain;
}

// Sections
.portfolio__section {
    scroll-snap-align: start;
    position: relative;
    height: 100vh;
    width: 100%;
    overflow: hidden;
    
    .content {
        position: relative;
        z-index: 2;
        max-width: $max-content-width;
        margin: 0 auto;
        padding: $section-padding;
        height: 100%;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }
    
    // Background image styling
    .bg-image {
        @include absolute-cover;
        background-size: cover;
        background-position: center;
        z-index: 1;
        
        &::after {
            content: '';
            @include absolute-cover;
            background: $overlay-color;
            backdrop-filter: blur($blur-amount);
            -webkit-backdrop-filter: blur($blur-amount);
        }
    }
    
    // Intro section specific styles
    &--intro {
        text-align: center;
        
        .intro-title {
            font-size: 3.5rem;
            margin-bottom: 1rem;
            color: $light-color;
            
            .highlight {
                color: $primary-color;
            }
        }
        
        .intro-subtitle {
            font-size: 1.5rem;
            color: rgba($light-color, 0.8);
            margin-bottom: 2rem;
        }
        
        .social-links {
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            
            .social-link {
                color: $light-color;
                text-decoration: none;
                font-size: 1.1rem;
                transition: color 0.3s;
                
                &:hover {
                    color: $primary-color;
                }
            }
        }
    }
    
    // Section titles
    .section-title {
        font-size: 2.5rem;
        margin-bottom: 2rem;
        color: $light-color;
        position: relative;
        display: inline-block;
        
        &::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 0;
            width: 50px;
            height: 3px;
            background: $primary-color;
        }
    }
    
    // About section
    .about-content {
        display: flex;
        gap: 2rem;
        align-items: center;
        
        .about-text {
            flex: 1;
            color: $light-color;
            line-height: 1.6;
        }
        
        .about-image {
            flex: 1;
            
            img {
                max-width: 100%;
                border-radius: 10px;
                box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
            }
        }
    }
    
    // Timeline/Experience
    .timeline {
        position: relative;
        padding-left: 2rem;
        color: $light-color;
        
        &::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            height: 100%;
            width: 2px;
            background: $primary-color;
        }
    }
    
    .timeline-item {
        margin-bottom: 2rem;
        position: relative;
        
        &::before {
            content: '';
            position: absolute;
            left: -2.5rem;
            top: 0.5rem;
            width: 1rem;
            height: 1rem;
            border-radius: 50%;
            background: $light-color;
            border: 2px solid $primary-color;
        }
    }
    
    .timeline-title {
        font-size: 1.3rem;
        margin-bottom: 0.3rem;
    }
    
    .timeline-company {
        font-style: italic;
        margin-bottom: 0.5rem;
        opacity: 0.8;
    }
    
    .timeline-description {
        line-height: 1.5;
    }
    
    // Projects
    .projects-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 1.5rem;
    }
    
    .project-card {
        background: rgba($light-color, 0.1);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        border-radius: 10px;
        padding: 1.5rem;
        transition: transform 0.3s;
        color: $light-color;
        
        &:hover {
            transform: translateY(-5px);
        }
    }
    
    .project-title {
        font-size: 1.3rem;
        margin-bottom: 0.5rem;
        color: $light-color;
    }
    
    .project-description {
        margin-bottom: 1rem;
        line-height: 1.5;
    }
    
    .project-link {
        color: $primary-color;
        text-decoration: none;
        font-weight: bold;
        
        &:hover {
            text-decoration: underline;
        }
    }
    
    // Footer section
    &--footer {
        background: $secondary-color;
        
        .content {
            text-align: center;
        }
        
        .contact-info {
            margin-bottom: 2rem;
            color: $light-color;
            
            a {
                color: $primary-color;
                text-decoration: none;
                
                &:hover {
                    text-decoration: underline;
                }
            }
        }
        
        .footer-links {
            display: flex;
            justify-content: center;
            gap: 2rem;
            margin-bottom: 2rem;
            
            .footer-link {
                color: $light-color;
                text-decoration: none;
                transition: color 0.3s;
                
                &:hover {
                    color: $primary-color;
                }
            }
        }
        
        .copyright {
            color: rgba($light-color, 0.6);
            font-size: 0.9rem;
        }
    }
}

// Responsive adjustments
@media (max-width: 768px) {
    .portfolio__section {
        .content {
            padding: 1rem;
        }
        
        &--intro {
            .intro-title {
                font-size: 2.5rem;
            }
            
            .intro-subtitle {
                font-size: 1.2rem;
            }
        }
        
        .about-content {
            flex-direction: column;
            
            .about-text {
                order: 2;
            }
            
            .about-image {
                order: 1;
                margin-bottom: 1.5rem;
            }
        }
        
        .section-title {
            font-size: 2rem;
        }
    }
}