/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #e2e8f0;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(59, 130, 246, 0.2);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo h2 {
    color: #3b82f6;
    font-weight: 700;
    font-size: 1.5rem;
}

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

.nav-link {
    color: #e2e8f0;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #3b82f6;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #3b82f6;
    transition: width 0.3s ease;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: #e2e8f0;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 100px 0;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%233b82f6" stroke-width="0.5" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>') repeat;
    z-index: 1;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.1;
}

.gradient-text {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6, #06b6d4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: #94a3b8;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.hero-description {
    font-size: 1.1rem;
    color: #cbd5e1;
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

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

.btn {
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: white;
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
    background: transparent;
    color: #3b82f6;
    border: 2px solid #3b82f6;
}

.btn-secondary:hover {
    background: #3b82f6;
    color: white;
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* Code Animation */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.code-animation {
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 12px;
    padding: 2rem;
    font-family: 'Courier New', monospace;
    font-size: 1rem;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.code-line {
    margin: 0.5rem 0;
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
}

.code-line:nth-child(1) { animation-delay: 0.2s; }
.code-line:nth-child(2) { animation-delay: 0.4s; }
.code-line:nth-child(3) { animation-delay: 0.6s; }
.code-line:nth-child(4) { animation-delay: 0.8s; }

.code-keyword { color: #f472b6; }
.code-variable { color: #06b6d4; }
.code-function { color: #10b981; }
.code-string { color: #fbbf24; }

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Section Styles */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.1rem;
    color: #94a3b8;
    text-align: center;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* About Section */
.about {
    background: rgba(30, 41, 59, 0.5);
    position: relative;
    z-index: 1;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
    position: relative;
    z-index: 2;
}

.about-description {
    font-size: 1.1rem;
    color: #cbd5e1;
    line-height: 1.7;
    margin-bottom: 2rem;
    position: relative;
    z-index: 3;
}

.skills h3 {
    color: #3b82f6;
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
}

.skill-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.skill-item:hover {
    transform: translateY(-5px);
    background: rgba(59, 130, 246, 0.2);
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.2);
}

.skill-item i {
    font-size: 2rem;
    color: #3b82f6;
    margin-bottom: 0.5rem;
}

.skill-item span {
    font-size: 0.9rem;
    font-weight: 500;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.2);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #3b82f6;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: #94a3b8;
    font-weight: 500;
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background: rgba(30, 41, 59, 0.8);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 40px rgba(59, 130, 246, 0.2);
    border-color: #3b82f6;
}

.project-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.project-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #334155, #475569);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #94a3b8;
}

.project-placeholder i {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: #3b82f6;
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(59, 130, 246, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.project-links {
    display: flex;
    gap: 1rem;
}

.project-link {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.project-link:hover {
    background: white;
    color: #3b82f6;
    transform: scale(1.1);
}

.project-content {
    padding: 1.5rem;
}

.project-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #e2e8f0;
}

.project-description {
    color: #94a3b8;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

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

.tech-tag {
    padding: 0.3rem 0.8rem;
    background: rgba(59, 130, 246, 0.2);
    color: #3b82f6;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.add-project {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    border: 2px dashed rgba(59, 130, 246, 0.5);
    background: rgba(59, 130, 246, 0.05);
}

.add-project-content {
    text-align: center;
    color: #94a3b8;
}

.add-project-content i {
    font-size: 3rem;
    color: #3b82f6;
    margin-bottom: 1rem;
}

.add-project-content h3 {
    color: #3b82f6;
    margin-bottom: 0.5rem;
}

/* Reviews Section */
.reviews {
    background: rgba(30, 41, 59, 0.5);
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.review-card {
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s ease;
    position: relative;
}

.review-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.2);
    border-color: #3b82f6;
}

.review-stars {
    display: flex;
    gap: 0.3rem;
    margin-bottom: 1.5rem;
}

.review-stars i {
    color: #fbbf24;
    font-size: 1.2rem;
}

.review-text {
    color: #cbd5e1;
    line-height: 1.7;
    margin-bottom: 2rem;
    font-style: italic;
}

.review-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-info h4 {
    color: #e2e8f0;
    font-weight: 600;
    margin-bottom: 0.3rem;
}

.author-info span {
    color: #94a3b8;
    font-size: 0.9rem;
}

.add-review {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 250px;
    border: 2px dashed rgba(59, 130, 246, 0.5);
    background: rgba(59, 130, 246, 0.05);
}

.add-review-content {
    text-align: center;
    color: #94a3b8;
}

.add-review-content i {
    font-size: 2.5rem;
    color: #3b82f6;
    margin-bottom: 1rem;
}

.add-review-content h3 {
    color: #3b82f6;
    margin-bottom: 0.5rem;
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-item {
    display: flex;
    align-items: start;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    font-size: 1.5rem;
    color: white;
}

.contact-details h3 {
    color: #e2e8f0;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.contact-details p {
    color: #94a3b8;
    margin-bottom: 0.8rem;
}

.contact-link {
    color: #3b82f6;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.contact-link:hover {
    color: #1d4ed8;
}

.contact-form {
    background: rgba(30, 41, 59, 0.8);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 8px;
    color: #e2e8f0;
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #64748b;
}

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

/* Footer */
.footer {
    background: rgba(15, 23, 42, 0.9);
    border-top: 1px solid rgba(59, 130, 246, 0.3);
    padding: 3rem 0 2rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.footer-left h3 {
    color: #3b82f6;
    margin-bottom: 0.5rem;
}

.footer-left p {
    color: #94a3b8;
    font-size: 0.9rem;
}

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

.social-link {
    width: 45px;
    height: 45px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #3b82f6;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: #3b82f6;
    color: white;
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(59, 130, 246, 0.2);
    color: #64748b;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(15, 23, 42, 0.98);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 2rem 0;
        border-top: 1px solid rgba(59, 130, 246, 0.3);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .about-stats {
        flex-direction: row;
        flex-wrap: wrap;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .reviews-grid {
        grid-template-columns: 1fr;
    }
    
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        flex-direction: column;
    }
}