/* Root Variables */
:root {
    --primary-bg: #0a0f1c;
    --secondary-bg: #1a2332;
    --card-bg: #1e2936;
    --accent-color: #00d9ff;
    --text-primary: #ffffff;
    --text-secondary: #8b9bb3;
    --border-color: #2d3a4d;
    --hover-bg: #253447;
}

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

html {
    scroll-behavior: smooth;
}

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

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 15, 28, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1.2rem 0;
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
    letter-spacing: 2px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    font-size: 0.95rem;
}

.nav-menu a:hover {
    color: var(--accent-color);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--accent-color);
    border-radius: 2px;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8rem 2rem 4rem;
    background: linear-gradient(135deg, #0a0f1c 0%, #1a2332 100%);
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 217, 255, 0.1) 0%, transparent 70%);
    top: 10%;
    right: -10%;
    border-radius: 50%;
}

.hero-container {
    max-width: 900px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    opacity: 1 !important;
    visibility: visible !important;
}

.hero-content {
    opacity: 1 !important;
    visibility: visible !important;
}

.hero .highlight {
    color: var(--accent-color);
}

.hero h2 {
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-bottom: 2rem;
}

.btn {
    padding: 0.9rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background: transparent;
    border-color: var(--accent-color);
    color: var(--accent-color);
    transform: translateY(-2px);
}

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

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

.social-links {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
}

.social-links a {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--secondary-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-color);
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

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

/* Section Titles */
.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--accent-color);
    font-weight: 700;
}

/* About Section */
.about {
    padding: 5rem 2rem;
    background: var(--primary-bg);
}

.about-content {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 4rem;
    align-items: start;
}

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    border-radius: 20px;
    border: 3px solid var(--accent-color);
    box-shadow: 0 10px 40px rgba(0, 217, 255, 0.2);
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
    line-height: 1.8;
}

.highlight {
    color: var(--accent-color);
    font-weight: 600;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.stat-box {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: transform 0.3s;
}

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

.stat-box h3 {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

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

/* Experience Section */
.experience {
    padding: 5rem 2rem;
    background: var(--secondary-bg);
}

.timeline {
    position: relative;
    padding-left: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--accent-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    padding-left: 2rem;
}

.timeline-dot {
    position: absolute;
    left: -0.65rem;
    top: 0;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--accent-color);
    box-shadow: 0 0 0 4px var(--secondary-bg), 0 0 0 6px var(--accent-color);
}

.timeline-content {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.timeline-content:hover {
    border-color: var(--accent-color);
    transform: translateY(-5px);
}

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

.timeline-content h4 {
    color: var(--accent-color);
    font-size: 1rem;
    margin-bottom: 1rem;
    font-weight: 500;
}

.timeline-meta {
    display: flex;
    gap: 2rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.timeline-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.timeline-content ul {
    list-style: none;
}

.timeline-content li {
    color: var(--text-secondary);
    margin-bottom: 0.8rem;
    display: flex;
    gap: 0.5rem;
    line-height: 1.6;
}

.timeline-content li i {
    color: var(--accent-color);
    margin-top: 5px;
}

/* Projects Section */
.projects {
    padding: 5rem 2rem;
    background: var(--primary-bg);
}

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

.project-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.project-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-10px);
}

.project-card h3 {
    color: var(--text-primary);
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.project-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem;
    margin-bottom: 1.5rem;
}

.tech-tags span {
    background: rgba(0, 217, 255, 0.1);
    color: var(--accent-color);
    padding: 0.4rem 0.9rem;
    border-radius: 6px;
    font-size: 0.85rem;
    border: 1px solid rgba(0, 217, 255, 0.3);
}

.project-card ul {
    list-style: none;
    margin-bottom: 1.5rem;
}

.project-card li {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.project-link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: gap 0.3s;
}

.project-link:hover {
    gap: 1rem;
}

/* Skills Section */
.skills {
    padding: 5rem 2rem;
    background: var(--secondary-bg);
}

.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.skill-category {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.skill-category:hover {
    border-color: var(--accent-color);
    transform: translateY(-5px);
}

.skill-category h3 {
    color: var(--text-primary);
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

.skill-items {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.skill-item {
    background: var(--secondary-bg);
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.skill-item:hover {
    background: rgba(0, 217, 255, 0.1);
    color: var(--accent-color);
    border-color: var(--accent-color);
}

/* Education Section */
.education {
    padding: 5rem 2rem;
    background: var(--primary-bg);
}

.education-grid {
    display: grid;
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.education-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
    position: relative;
}

.education-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-5px);
}

.edu-icon {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

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

.education-card h4 {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 1rem;
    font-weight: 500;
}

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

.gpa-badge {
    position: absolute;
    top: 2rem;
    right: 2rem;
    background: rgba(0, 217, 255, 0.1);
    color: var(--accent-color);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    border: 1px solid var(--accent-color);
}

/* Contact Section */
.contact {
    padding: 5rem 2rem;
    background: var(--secondary-bg);
}

.contact-subtitle {
    text-align: center;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 3rem;
    font-size: 1.1rem;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.contact-card {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all 0.3s;
}

.contact-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-5px);
}

.contact-icon {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.contact-card h4 {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    letter-spacing: 1px;
}

.contact-card a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1rem;
    transition: color 0.3s;
}

.contact-card a:hover {
    color: var(--accent-color);
}

.resume-download {
    text-align: center;
}

/* Footer */
footer {
    background: var(--primary-bg);
    padding: 2rem;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

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

/* Responsive Design */
@media (max-width: 968px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about-image {
        max-width: 300px;
        margin: 0 auto;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--secondary-bg);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        transform: translateX(-100%);
        transition: transform 0.3s;
        border-bottom: 1px solid var(--border-color);
    }

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

    .hero-title {
        font-size: 3rem;
    }

    .hero h2 {
        font-size: 1.3rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .timeline-meta {
        flex-direction: column;
        gap: 0.5rem;
    }

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

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

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.2rem;
    }

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

    .gpa-badge {
        position: static;
        display: inline-block;
        margin-top: 1rem;
    }
}