/* Modern Portfolio Styles */
:root {
    --primary: #4f46e5;
    --secondary: #7c3aed;
    --dark: #1e293b;
    --light: #f8fafc;
    --text: #334155;
    --text-light: #64748b;
    --white: #ffffff;
    --gradient: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    --card-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.1);
    --hover-shadow: 0 20px 40px -5px rgba(0, 0, 0, 0.15);
}

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

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

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: none;
}

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

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

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 100px 20px 50px;
    /* Adjusted padding for fixed navbar */
    background: radial-gradient(circle at top right, rgba(79, 70, 229, 0.1), transparent 40%),
        radial-gradient(circle at bottom left, rgba(124, 58, 237, 0.1), transparent 40%);
}

.hero-content {
    max-width: 800px;
    animation: fadeIn 1s ease-out;
}

.hero-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(79, 70, 229, 0.1);
    color: var(--primary);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--dark);
}

.hero h1 span {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--gradient);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 5px 15px rgba(79, 70, 229, 0.3);
    margin: 0.5rem;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
    box-shadow: none;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(79, 70, 229, 0.4);
}

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

/* Sections */
section {
    padding: 80px 5%;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 4rem;
    color: var(--dark);
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60%;
    height: 4px;
    background: var(--gradient);
    border-radius: 2px;
    left: 20%;
}

/* Skills Grid */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.skill-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.skill-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--hover-shadow);
    border-color: rgba(79, 70, 229, 0.2);
}

.skill-card h4 {
    color: var(--primary);
    font-size: 1.1rem;
    margin-bottom: 1rem;
    border-bottom: 2px solid #eef2ff;
    padding-bottom: 0.5rem;
}

.skill-list {
    list-style: none;
}

.skill-list li {
    margin-bottom: 0.5rem;
    color: var(--text-light);
    font-size: 0.95rem;
}

.skill-list li::before {
    content: '•';
    color: var(--primary);
    font-weight: bold;
    display: inline-block;
    width: 1em;
    margin-left: -1em;
}

/* Experience & Education Timeline */
.timeline-container {
    max-width: 800px;
    margin: 0 auto;
}

.timeline-item {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    margin-bottom: 2rem;
    border-left: 5px solid var(--primary);
    box-shadow: var(--card-shadow);
    position: relative;
    transition: transform 0.3s ease;
}

.timeline-item:hover {
    transform: translateX(10px);
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.timeline-header h3 {
    color: var(--dark);
    font-size: 1.2rem;
}

.timeline-date {
    background: #eef2ff;
    color: var(--primary);
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
}

.timeline-subtitle {
    color: var(--secondary);
    font-weight: 500;
    margin-bottom: 0.5rem;
    display: block;
}

/* Projects */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.project-card {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--gradient);
}

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

.project-content {
    padding: 2.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.project-tag {
    display: inline-block;
    padding: 0.35rem 1rem;
    background: #eef2ff;
    color: var(--primary);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
    align-self: flex-start;
}

.project-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--dark);
}

.project-card p {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.tech-stack {
    margin-bottom: 1.5rem;
    font-size: 0.85rem;
    color: var(--secondary);
    font-style: italic;
}

/* Certs & Achievements */
.list-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.list-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--card-shadow);
}

.list-card h3 {
    color: var(--dark);
    margin-bottom: 1.5rem;
    border-bottom: 2px solid #eef2ff;
    padding-bottom: 0.5rem;
}

.custom-list {
    list-style: none;
}

.custom-list li {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-light);
}

.custom-list li::before {
    content: '🏆';
    position: absolute;
    left: 0;
    top: 2px;
    font-size: 0.9rem;
}

.cert-list li::before {
    content: '📜';
    position: absolute;
    left: 0;
    top: 2px;
    font-size: 0.9rem;
}

/* Contact */
.contact-container {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    background: var(--white);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: var(--card-shadow);
}

.contact-info p {
    margin-bottom: 0.5rem;
    color: var(--text-light);
}

.contact-info i {
    color: var(--primary);
    margin-right: 0.5rem;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
}

.social-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f1f5f9;
    color: var(--dark);
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 1.2rem;
}

.social-btn:hover {
    background: var(--gradient);
    color: white;
    transform: scale(1.1);
}

/* Footer */
footer {
    background: var(--dark);
    color: white;
    text-align: center;
    padding: 2rem;
    margin-top: 4rem;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Media Queries */
@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

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

    .navbar {
        padding: 1rem;
    }

    .nav-links {
        display: none;
        /* Mobile menu implementation can be added here */
    }

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

    .timeline-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
}