/* Global Styles */
:root {
    --primary-color: #3b82f6;
    --secondary-color: #60a5fa;
    --text-color: #e5e7eb;
    --light-text: #9ca3af;
    --background: #111827;
    --section-bg: #1f2937;
    --card-bg: #374151;
    --border-color: #4b5563;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: var(--background);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(17, 24, 39, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-links a {
    margin-left: 2rem;
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

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

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

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--text-color);
    margin: 5px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 0 5%;
    background: linear-gradient(135deg, #111827 0%, #1f2937 100%);
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    line-height: 1.2;
    color: var(--text-color);
}

.highlight {
    color: var(--primary-color);
}

.typing-text {
    font-size: 1.5rem;
    color: var(--light-text);
    margin-bottom: 2rem;
}

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

.btn {
    padding: 0.8rem 2rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

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

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

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(59, 130, 246, 0.3);
}

.hero-image {
    flex: 1;
    position: relative;
}

.tech-bg {
    width: 100%;
    height: 400px;
    background: linear-gradient(45deg, #1e40af, #3b82f6);
    border-radius: 20px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 0 30px rgba(59, 130, 246, 0.3);
}

.tech-bg::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    background: repeating-linear-gradient(
        45deg,
        rgba(255, 255, 255, 0.1) 0px,
        rgba(255, 255, 255, 0.1) 10px,
        transparent 10px,
        transparent 20px
    );
    animation: tech-bg 20s linear infinite;
}

@keyframes tech-bg {
    0% {
        transform: translate(-50%, -50%) rotate(0deg);
    }
    100% {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

/* About Section */
.about {
    padding: 5rem 5%;
    background: var(--section-bg);
}

.about h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-color);
}

.about-content {
    display: flex;
    gap: 4rem;
    align-items: center;
}

.about-text {
    flex: 1;
}

.about-text p {
    color: var(--light-text);
}

.stats {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
}

.stat-item {
    text-align: center;
}

.number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
}

.label {
    color: var(--light-text);
}

.about-image {
    flex: 1;
}

.tech-grid {
    width: 100%;
    height: 300px;
    background: var(--card-bg);
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    position: relative;
    overflow: hidden;
}

/* Projects Section */
.projects {
    padding: 5rem 5%;
    background: var(--background);
}

.projects h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-color);
}

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

.project-card {
    background: var(--card-bg);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

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

.project-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: var(--transition);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(37, 99, 235, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: var(--transition);
}

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

.project-links a {
    color: white;
    font-size: 1.5rem;
    margin: 0 1rem;
    transition: var(--transition);
}

.project-links a:hover {
    transform: scale(1.2);
}

.project-info {
    padding: 1.5rem;
}

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

.project-info p {
    color: var(--light-text);
}

.project-tech {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.project-tech span {
    padding: 0.3rem 0.8rem;
    background: var(--section-bg);
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--light-text);
}

/* Skills Section */
.skills {
    padding: 5rem 5%;
    background: var(--section-bg);
}

.skills h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-color);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.skill-category h3 {
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

.skill-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 1rem;
}

.skill-item {
    text-align: center;
    padding: 1rem;
    background: var(--card-bg);
    border-radius: 10px;
    transition: var(--transition);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.skill-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.skill-item i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

/* Contact Section */
.contact {
    padding: 5rem 5%;
    background: var(--background);
}

.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-color);
}

.contact-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 4rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.social-links a {
    color: var(--text-color);
    font-size: 1.5rem;
    transition: var(--transition);
}

.social-links a:hover {
    color: var(--primary-color);
    transform: translateY(-3px);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 1rem;
    transition: var(--transition);
    background: var(--card-bg);
    color: var(--text-color);
}

.form-group textarea {
    height: 150px;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

/* Footer */
.footer {
    text-align: center;
    padding: 2rem;
    background: var(--section-bg);
    color: var(--light-text);
}

/* Scroll Progress Bar */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--primary-color);
    z-index: 1001;
    transition: width 0.1s ease;
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.5);
}

/* Grid Cells */
.grid-cell {
    position: absolute;
    width: calc(100% / 20);
    height: calc(100% / 20);
    background: transparent;
    transition: background-color 0.3s ease;
}

/* Mobile Navigation Active State */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--section-bg);
        padding: 1rem;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
        transform: translateY(-100%);
        transition: transform 0.3s ease;
    }

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

    .nav-links a {
        display: block;
        margin: 1rem 0;
        text-align: center;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 6rem;
    }

    .hero-content {
        margin-bottom: 2rem;
    }

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

    .about-content {
        flex-direction: column;
        text-align: center;
    }

    .stats {
        justify-content: center;
    }

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

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease forwards;
}