:root {
    --primary: #0F172A;
    --secondary: #2563EB;
    --accent: #38BDF8;
    --bg-light: #F8FAFC;
    --bg-white: #FFFFFF;
    --text-main: #1E293B;
    --text-muted: #64748B;
    --border-color: #E2E8F0;
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --card-hover-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s ease;
    --radius: 0.75rem;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-main);
    background-color: var(--bg-light);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    color: var(--primary);
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

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

.section {
    padding: 5rem 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--secondary);
    margin: 0.5rem auto 0;
    border-radius: 2px;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

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

.btn-primary:hover {
    background-color: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

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

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

/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    font-family: 'Poppins', sans-serif;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    font-weight: 500;
    color: var(--text-main);
    font-size: 0.95rem;
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-main);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
    /* Header height */
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    width: 100%;
}

.hero-content {
    animation: slideUp 0.8s ease-out;
}

.greeting {
    display: block;
    font-size: 1.25rem;
    color: var(--secondary);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.name {
    font-size: 4rem;
    margin-bottom: 0.5rem;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    line-height: 1.1;
}

.title {
    font-size: 1.75rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.tagline {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: var(--text-main);
    max-width: 500px;
}

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

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

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

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

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

.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    animation: fadeIn 1s ease-out 0.2s backwards;
}

.image-wrapper {
    width: 400px;
    height: 400px;
    border-radius: 50%;
    overflow: hidden;
    border: 8px solid white;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
}

.tech-stack-floating {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
    animation: spin 60s linear infinite;
}

.tech-stack-floating i {
    position: absolute;
    font-size: 2.5rem;
    color: var(--secondary);
    background: white;
    padding: 1rem;
    border-radius: 50%;
    box-shadow: var(--card-shadow);
}

.tech-stack-floating i:nth-child(1) {
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%);
}

.tech-stack-floating i:nth-child(2) {
    bottom: 20%;
    right: 0;
}

.tech-stack-floating i:nth-child(3) {
    bottom: 20%;
    left: 0;
}

.scroll-down {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-down a {
    color: var(--text-muted);
    font-size: 1.5rem;
}

/* About Section */
.about-text {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-muted);
}

.about-text p {
    margin-bottom: 1.5rem;
}

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

.skill-card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: var(--radius);
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

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

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

.skill-card h3 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.skill-list li {
    margin-bottom: 0.5rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
}

.skill-list li::before {
    content: '•';
    color: var(--accent);
    font-weight: bold;
    margin-right: 0.5rem;
    font-size: 1.2rem;
}

/* Experience Section */
.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 2px;
    background: var(--border-color);
    margin-left: 20px;
    /* Adjust for dot positioning */
}

.timeline-item {
    position: relative;
    padding-left: 60px;
    margin-bottom: 3rem;
}

.timeline-dot {
    position: absolute;
    left: 11px;
    /* Center on line */
    top: 0;
    width: 20px;
    height: 20px;
    background: var(--secondary);
    border-radius: 50%;
    border: 4px solid white;
    box-shadow: 0 0 0 2px var(--secondary);
    z-index: 2;
}

.timeline-date {
    font-size: 0.9rem;
    color: var(--secondary);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.timeline-content {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: var(--radius);
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
}

.timeline-content h3 {
    margin-bottom: 0.5rem;
}

.company {
    font-size: 1rem;
    color: var(--text-main);
    font-weight: 500;
    margin-bottom: 1rem;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.location {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.responsibilities li {
    margin-bottom: 0.5rem;
    color: var(--text-muted);
    position: relative;
    padding-left: 1.2rem;
}

.responsibilities li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--secondary);
}

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

.project-card {
    background: var(--bg-white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--card-hover-shadow);
}

.project-content {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.project-content h3 {
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
}

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

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tech-tags span {
    background: #f1f5f9;
    color: var(--text-muted);
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 500;
}

.project-link {
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--secondary);
    font-weight: 500;
}

.project-link:hover {
    text-decoration: underline;
}

.project-label {
    display: inline-block;
    margin-top: 1rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    align-self: flex-start;
}

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

.achievement-card {
    background: var(--bg-white);
    padding: 2rem;
    text-align: center;
    border-radius: var(--radius);
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
}

.achievement-card .icon {
    font-size: 2.5rem;
    color: #eab308;
    /* Gold color */
    margin-bottom: 1rem;
}

.achievement-card h3 {
    margin-bottom: 0.5rem;
}

.achievement-card p {
    color: var(--text-muted);
}

/* Contact Section */
.contact-section {
    text-align: center;
}

.contact-subtitle {
    margin-bottom: 3rem;
    color: var(--text-muted);
    font-size: 1.2rem;
}

.contact-methods {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.contact-card {
    background: var(--bg-white);
    padding: 2rem;
    width: 250px;
    border-radius: var(--radius);
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

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

.contact-card i {
    font-size: 2rem;
    color: var(--secondary);
}

.contact-card h3 {
    font-size: 1.1rem;
    color: var(--text-main);
}

.contact-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Footer */
.footer {
    background: var(--primary);
    color: white;
    padding: 2rem 0;
    margin-top: 4rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-socials {
    display: flex;
    gap: 1.5rem;
}

.footer-socials a {
    color: #94a3b8;
    font-size: 1.2rem;
}

.footer-socials a:hover {
    color: white;
}

/* Active Link Style */
.nav-links a.active {
    color: var(--secondary);
    font-weight: 600;
}

/* Responsive */
@media (max-width: 968px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }

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

    .social-links {
        justify-content: center;
    }

    .hero-image {
        order: -1;
        margin: 0 auto;
    }

    .image-wrapper {
        width: 280px;
        height: 280px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        padding: 2rem;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        text-align: center;
    }

    .nav-links.nav-active {
        display: flex;
        animation: slideDown 0.3s ease-out forwards;
    }

    .mobile-menu-btn {
        display: block;
    }

    .name {
        font-size: 2.5rem;
    }

    .title {
        font-size: 1.25rem;
    }

    .section {
        padding: 3rem 0;
    }

    .timeline::before {
        left: 20px;
        margin-left: 0;
    }

    .timeline-item {
        padding-left: 50px;
    }

    .timeline-dot {
        left: 11px;
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

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

/* Animations */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateY(0);
    }

    40% {
        transform: translateY(-10px);
    }

    60% {
        transform: translateY(-5px);
    }
}

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

    to {
        transform: rotate(360deg);
    }
}

/* Utility for animation reveal */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}