/* CSS Variables for Electric Theme */
:root {
    --electric: rgb(0, 191, 255);
    --electric-glow: rgb(51, 204, 255);
    --neon-cyan: rgb(0, 255, 255);
    --deep-space: rgb(8, 12, 22);
    --dark-bg: rgb(13, 18, 28);
    --card-bg: rgb(20, 24, 35);
    --border-color: rgb(30, 35, 45);
    --text-primary: rgb(230, 240, 250);
    --text-muted: rgb(160, 180, 200);
    --gradient-primary: linear-gradient(135deg, var(--electric), var(--neon-cyan));
    --gradient-dark: linear-gradient(135deg, var(--deep-space), var(--dark-bg));
    --glow-electric: 0 0 20px rgba(0, 191, 255, 0.3);
    --glow-strong: 0 0 30px rgba(0, 191, 255, 0.5);
    --shadow-card: 0 4px 20px rgba(8, 12, 22, 0.5);
}

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

body {
    background-color: var(--dark-bg);
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Text Colors */
.text-electric {
    color: var(--electric) !important;
    font-weight: 600;
}

.text-cyan {
    color: var(--neon-cyan) !important;
    font-weight: 600;
}

.text-electric-glow {
    color: var(--electric-glow) !important;
    font-weight: 600;
}

/* Navigation */
.navbar {
    background: transparent !important;
    transition: all 0.3s ease;
    padding: 1rem 0;
}

.navbar.scrolled {
    background: rgba(13, 18, 28, 0.95) !important;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-card);
}

.navbar-nav .nav-link {
    color: var(--text-muted) !important;
    font-weight: 500;
    margin: 0 0.5rem;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: var(--electric) !important;
}

/* Hero Section */
.hero-section {
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('../images/bg.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.2;
    z-index: 1;
}

.hero-section .container {
    position: relative;
    z-index: 2;
}

.hero-logo {
    position: relative;
    display: inline-block;
}

.hero-image {
    width: 300px;
    height: 300px;
    object-fit: contain;
    mix-blend-mode: screen;
    filter: brightness(1.2) contrast(1.1) hue-rotate(180deg) saturate(1.5);
}

@media (min-width: 768px) {
    .hero-image {
        width: 400px;
        height: 400px;
    }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 50%;
    opacity: 0.3;
    background: radial-gradient(circle, rgba(0, 191, 255, 0.3) 0%, rgba(0, 255, 255, 0.2) 50%, transparent 70%);
    mix-blend-mode: color-dodge;
}

.hero-text {
    font-size: 1.25rem;
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto;
    color: var(--text-muted);
}

@media (min-width: 768px) {
    .hero-text {
        font-size: 1.5rem;
    }
}

.hero-buttons .btn {
    margin: 0.5rem;
    border-radius: 0.5rem;
    padding: 0.75rem 2rem;
    font-weight: 600;
    text-transform: none;
    transition: all 0.3s ease;
}

.btn-primary {
    background: var(--gradient-primary);
    border: none;
    color: var(--dark-bg);
}

.btn-primary:hover {
    box-shadow: var(--glow-electric);
    transform: translateY(-2px);
}

.btn-outline-primary {
    border: 2px solid var(--electric);
    color: var(--electric);
    background: transparent;
}

.btn-outline-primary:hover {
    background: var(--electric);
    color: var(--dark-bg);
    box-shadow: var(--glow-electric);
}

.social-links .social-link {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s ease;
    display: inline-block;
}

.social-links .social-link:hover {
    color: var(--electric);
}

.scroll-indicator {
    animation: bounce 2s infinite;
    color: var(--electric);
    font-size: 1.5rem;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* Sections */
section {
    padding: 5rem 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* Skills Section */
#skills {
    background: var(--card-bg);
}

.skill-card {
    background: var(--gradient-dark);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-card);
}

.skill-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--glow-electric);
    border-color: var(--electric);
}

.skill-icon {
    font-size: 3rem;
    color: var(--electric);
    margin-bottom: 1rem;
}

.skill-card h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.skill-card p {
    color: var(--text-muted);
}

/* Projects Section */
.project-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-card);
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--glow-electric);
    border-color: var(--electric);
}

.project-image {
    height: 250px;
    overflow: hidden;
    background: var(--gradient-dark);
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.placeholder-image {
    height: 100%;
    background: var(--gradient-dark);
    color: var(--electric);
}

.project-content {
    padding: 1.5rem;
}

.project-content h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.project-content p {
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-tag {
    background: rgba(0, 191, 255, 0.1);
    color: var(--electric);
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.875rem;
    border: 1px solid rgba(0, 191, 255, 0.3);
}

/* About Section */
#about {
    background: var(--card-bg);
}

.about-image img {
    border-radius: 1rem;
    filter: brightness(1.1) contrast(1.1);
}

.stat-item h4 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-item p {
    color: var(--text-muted);
    margin: 0;
}

/* Contact Section */
.contact-form {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: var(--shadow-card);
}

.form-control {
    background: var(--dark-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    background: var(--dark-bg);
    border-color: var(--electric);
    color: var(--text-primary);
    box-shadow: 0 0 0 0.2rem rgba(0, 191, 255, 0.25);
}

.form-control::placeholder {
    color: var(--text-muted);
}

/* Footer */
footer {
    background: var(--deep-space);
    border-top: 1px solid var(--border-color);
}

footer p {
    color: var(--text-muted);
}

/* Responsive Design */
@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }
    
    .hero-text {
        font-size: 1.1rem;
    }
    
    .hero-buttons .btn {
        display: block;
        width: 100%;
        margin: 0.5rem 0;
    }
    
    .skill-card,
    .project-card,
    .contact-form {
        margin-bottom: 2rem;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Loading Animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}