/* ==================== GLOBAL STYLES ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Dark Theme Colors */
    --bg-primary: #0a0e27;
    --bg-secondary: #151a36;
    --bg-card: #1a1f3a;
    
    /* Blue Accent Colors */
    --blue-primary: #3b82f6;
    --blue-secondary: #60a5fa;
    --blue-dark: #2563eb;
    --blue-light: #93c5fd;
    --blue-glow: rgba(59, 130, 246, 0.3);
    
    /* Text Colors */
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    /* Accent Colors */
    --accent-cyan: #22d3ee;
    --accent-purple: #a78bfa;
    --success: #10b981;
    --warning: #f59e0b;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-blue: 0 0 20px var(--blue-glow);
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ==================== NAVIGATION ==================== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid rgba(59, 130, 246, 0.1);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

.logo h2 {
    color: var(--blue-secondary);
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--blue-primary), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--blue-primary);
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--blue-secondary);
}

.nav-links a:hover::after {
    width: 100%;
}

.burger {
    display: none;
    cursor: pointer;
}

.burger div {
    width: 25px;
    height: 3px;
    background: var(--blue-primary);
    margin: 5px;
    transition: var(--transition);
}

/* ==================== HERO SECTION ==================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 6rem 2rem 2rem;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, var(--blue-glow) 0%, transparent 70%);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.1); }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    width: 100%;
    z-index: 1;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--text-primary), var(--blue-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-size: 1.5rem;
    color: var(--blue-secondary);
    margin-bottom: 1rem;
    font-weight: 500;
}

.description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    padding: 0.9rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    display: inline-block;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--blue-primary);
    color: white;
    box-shadow: var(--shadow-blue);
}

.btn-primary:hover {
    background: var(--blue-dark);
    transform: translateY(-2px);
    box-shadow: 0 0 30px var(--blue-glow);
}

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

.btn-secondary:hover {
    background: var(--blue-primary);
    color: white;
    transform: translateY(-2px);
}

/* Avatar */
.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.avatar-container {
    position: relative;
    width: 350px;
    height: 350px;
}

.avatar-circle {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--blue-primary), var(--accent-cyan), var(--accent-purple));
    position: relative;
    animation: rotate 10s linear infinite;
    box-shadow: 0 0 60px var(--blue-glow);
}

.avatar-circle::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    height: 90%;
    border-radius: 50%;
    background: var(--bg-secondary);
}

.avatar-img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 0 60px var(--blue-glow);
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-indicator span {
    display: block;
    width: 20px;
    height: 30px;
    border: 2px solid var(--blue-primary);
    border-radius: 20px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 5px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--blue-primary);
    border-radius: 2px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(15px); }
}

/* ==================== SECTIONS ==================== */
section {
    padding: 5rem 2rem;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    color: var(--text-primary);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--blue-primary), var(--accent-cyan));
    border-radius: 2px;
}

/* ==================== ABOUT SECTION ==================== */
.about {
    background: var(--bg-secondary);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.stat {
    text-align: center;
    padding: 2rem;
    background: var(--bg-card);
    border-radius: 12px;
    border: 1px solid rgba(59, 130, 246, 0.2);
    transition: var(--transition);
}

.stat:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-blue);
    border-color: var(--blue-primary);
}

.stat h3 {
    font-size: 2.5rem;
    color: var(--blue-secondary);
    margin-bottom: 0.5rem;
}

.stat p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ==================== SKILLS SECTION ==================== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.skill-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid rgba(59, 130, 246, 0.2);
    transition: var(--transition);
}

.skill-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-blue);
    border-color: var(--blue-primary);
}

.skill-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--blue-primary), var(--accent-cyan));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
    color: white;
}

.skill-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.skill-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.skill-bar {
    width: 100%;
    height: 8px;
    background: var(--bg-secondary);
    border-radius: 4px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--blue-primary), var(--accent-cyan));
    border-radius: 4px;
    transition: width 1s ease;
}

/* ==================== PROJECTS SECTION ==================== */
.projects {
    background: var(--bg-secondary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.project-card {
    background: var(--bg-card);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(59, 130, 246, 0.2);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-blue);
    border-color: var(--blue-primary);
}

.project-image {
    height: 200px;
    background: linear-gradient(135deg, var(--blue-dark), var(--accent-purple));
    position: relative;
    overflow: hidden;
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 14, 39, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-link {
    color: var(--blue-secondary);
    font-size: 2rem;
    transition: var(--transition);
}

.project-link:hover {
    color: var(--accent-cyan);
    transform: scale(1.2);
}

.project-info {
    padding: 1.5rem;
}

.project-info h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.project-info p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

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

.project-tags span {
    padding: 0.3rem 0.8rem;
    background: rgba(59, 130, 246, 0.2);
    color: var(--blue-secondary);
    border-radius: 20px;
    font-size: 0.85rem;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

/* ==================== CONTACT SECTION ==================== */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--blue-secondary);
}

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.contact-items {
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
}

.contact-item i {
    color: var(--blue-primary);
    font-size: 1.2rem;
    width: 30px;
}

/* Social Links */
.social-links {
    margin-top: 2rem;
}

.social-links h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.social-icons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.social-icons a {
    width: 50px;
    height: 50px;
    background: var(--bg-card);
    border: 2px solid rgba(59, 130, 246, 0.3);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--blue-secondary);
    font-size: 1.3rem;
    transition: var(--transition);
}

.social-icons a:hover {
    background: var(--blue-primary);
    color: white;
    transform: translateY(-5px);
    box-shadow: var(--shadow-blue);
    border-color: var(--blue-primary);
}

/* Contact Form */
.contact-form {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: var(--bg-secondary);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--blue-primary);
    box-shadow: 0 0 0 3px var(--blue-glow);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ==================== FOOTER ==================== */
.footer {
    background: var(--bg-secondary);
    padding: 2rem;
    border-top: 1px solid rgba(59, 130, 246, 0.1);
}

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

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

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    color: var(--blue-secondary);
    font-size: 1.2rem;
    transition: var(--transition);
}

.footer-social a:hover {
    color: var(--accent-cyan);
    transform: translateY(-3px);
}

/* ==================== RESPONSIVE DESIGN ==================== */
@media screen and (max-width: 768px) {
    .nav-links {
        position: absolute;
        right: 0;
        top: 70px;
        background: var(--bg-secondary);
        flex-direction: column;
        width: 100%;
        padding: 2rem;
        transform: translateX(100%);
        transition: var(--transition);
        box-shadow: var(--shadow-md);
    }

    .nav-links.active {
        transform: translateX(0);
    }

    .burger {
        display: block;
    }

    .burger.active .line1 {
        transform: rotate(-45deg) translate(-5px, 6px);
    }

    .burger.active .line2 {
        opacity: 0;
    }

    .burger.active .line3 {
        transform: rotate(45deg) translate(-5px, -6px);
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text h1 {
        font-size: 2.5rem;
    }

    .subtitle {
        font-size: 1.2rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .avatar-container {
        width: 250px;
        height: 250px;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 2rem;
    }

    .footer .container {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media screen and (max-width: 480px) {
    .hero-text h1 {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .btn {
        padding: 0.7rem 1.5rem;
        font-size: 0.9rem;
    }

    .about-stats {
        grid-template-columns: 1fr;
    }
}