:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #10b981;
    --bg-dark: #0f172a;
    --bg-card: #1e293b;
    --bg-card-hover: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border: #334155;
    --gradient-1: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #d946ef 100%);
    --gradient-2: linear-gradient(135deg, #06b6d4 0%, #10b981 100%);
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

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

/* Custom Custom Cursor Support */
.cursor {
    width: 10px;
    height: 10px;
    background: var(--primary);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    transition: transform 0.1s ease;
    display: none;
    transform: translate(-50%, -50%);
}

.cursor-follower {
    width: 30px;
    height: 30px;
    border: 2px solid var(--primary);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9998;
    transition: transform 0.15s ease;
    display: none;
    transform: translate(-50%, -50%);
}

@media (hover: hover) and (pointer: fine) {
    .cursor, .cursor-follower {
        display: block;
    }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 60px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.section-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
    max-width: 300px;
}

.title-number {
    font-family: 'Fira Code', monospace;
    color: var(--primary);
    font-size: 1.25rem;
    font-weight: 500;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: 8px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

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

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

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

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}

.navbar.scrolled {
    border-bottom-color: var(--border);
    padding: 12px 0;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-primary);
    text-decoration: none;
}

.logo span {
    color: var(--primary);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-light);
}

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

.nav-btn {
    padding: 10px 20px;
    font-size: 0.875rem;
}

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

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.gradient-sphere {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: float 20s ease-in-out infinite;
}

.sphere-1 {
    width: 600px;
    height: 600px;
    background: var(--primary);
    top: -200px;
    right: -100px;
    animation-delay: 0s;
}

.sphere-2 {
    width: 400px;
    height: 400px;
    background: #8b5cf6;
    bottom: -100px;
    left: -100px;
    animation-delay: -5s;
}

.sphere-3 {
    width: 300px;
    height: 300px;
    background: #06b6d4;
    top: 50%;
    left: 50%;
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(50px, -50px) scale(1.1); }
    50% { transform: translate(-30px, 30px) scale(0.9); }
    75% { transform: translate(30px, 50px) scale(1.05); }
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
    width: 100%;
}

.hero-greeting {
    font-family: 'Fira Code', monospace;
    color: var(--primary-light);
    font-size: 1rem;
    margin-bottom: 8px;
}

.hero-name {
    font-size: 3.5rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
    line-height: 1.2;
}

.hero-title {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
    height: 2rem;
}

.typing-cursor {
    animation: blink 1s infinite;
    color: var(--primary);
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin-bottom: 32px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
}

.hero-socials {
    display: flex;
    gap: 16px;
}

.hero-socials a {
    width: 44px;
    height: 44px;
    border: 2px solid var(--border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.hero-socials a:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-3px);
}

.hero-image {
    display: flex;
    justify-content: center;
}

.image-wrapper {
    position: relative;
    width: 320px;
    height: 320px;
}

.image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    position: relative;
    z-index: 2;
    border: 4px solid var(--bg-card);
}

.image-border {
    position: absolute;
    inset: -10px;
    border: 3px solid var(--primary);
    border-radius: 50%;
    animation: rotate 20s linear infinite;
    border-style: dashed;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.floating-card {
    position: absolute;
    width: 50px;
    height: 50px;
    background: var(--bg-card);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: var(--shadow-lg);
    animation: floatCard 6s ease-in-out infinite;
    z-index: 3;
}

.card-1 {
    top: 20px;
    right: -20px;
    color: #f7df1e;
    animation-delay: 0s;
}

.card-2 {
    bottom: 60px;
    right: -30px;
    color: #61dafb;
    animation-delay: -2s;
}

.card-3 {
    bottom: 20px;
    left: -20px;
    color: #3776ab;
    animation-delay: -4s;
}

@keyframes floatCard {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 60px;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 1.05rem;
}

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

.about-stats {
    display: flex;
    gap: 40px;
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid var(--border);
}

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

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.about-education h3 {
    font-size: 1.25rem;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--primary-light);
}

.education-card {
    background: var(--bg-card);
    padding: 24px;
    border-radius: 16px;
    border: 1px solid var(--border);
    transition: var(--transition);
}

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

.education-year {
    font-family: 'Fira Code', monospace;
    color: var(--primary);
    font-size: 0.875rem;
    margin-bottom: 12px;
}

.education-card h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.education-card p {
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.education-location {
    color: var(--text-muted);
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.skill-category {
    background: var(--bg-card);
    padding: 32px;
    border-radius: 16px;
    border: 1px solid var(--border);
    transition: var(--transition);
}

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

.skill-category h3 {
    font-size: 1rem;
    color: var(--primary-light);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.skill-items {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.skill-item {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-dark);
    padding: 10px 16px;
    border-radius: 8px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

.skill-item:hover {
    color: var(--primary-light);
    transform: translateX(5px);
}

.skill-item i {
    font-size: 1.1rem;
    color: var(--primary);
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 32px;
}

.project-card {
    background: var(--bg-card);
    border-radius: 16px;
    border: 1px solid var(--border);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
}

.project-image {
    height: 200px;
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-placeholder {
    font-size: 3.5rem;
    color: var(--text-muted);
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    opacity: 0;
    transition: var(--transition);
    z-index: 2;
}

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

.project-link {
    width: 44px;
    height: 44px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 1.2rem;
    transition: var(--transition);
}

.project-link:hover {
    background: var(--primary-dark);
    transform: scale(1.1);
}

.project-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.project-content h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.project-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 20px;
    flex-grow: 1;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.project-tech span {
    font-family: 'Fira Code', monospace;
    font-size: 0.75rem;
    color: var(--primary-light);
    background: rgba(99, 102, 241, 0.1);
    padding: 4px 10px;
    border-radius: 4px;
}

.more-projects {
    text-align: center;
    margin-top: 50px;
}

/* Experience Section */
.experience-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.experience-column h3 {
    font-size: 1.25rem;
    margin-bottom: 24px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 12px;
}

.experience-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 24px;
    display: flex;
    gap: 20px;
    transition: var(--transition);
}

.experience-card:hover {
    border-color: var(--primary);
}

.experience-icon {
    width: 48px;
    height: 48px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.experience-details h4 {
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.experience-date {
    font-family: 'Fira Code', monospace;
    font-size: 0.85rem;
    color: var(--primary);
    margin-bottom: 16px;
}

.experience-details ul {
    list-style-type: none;
}

.experience-details li {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 8px;
    position: relative;
    padding-left: 16px;
}

.experience-details li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary);
}

.certifications-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.certification-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: var(--transition);
}

.certification-item:hover {
    border-color: var(--primary);
    transform: translateX(5px);
}

.certification-item i {
    font-size: 1.25rem;
    color: var(--primary);
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 60px;
}

.contact-text {
    color: var(--text-secondary);
    margin-bottom: 32px;
    font-size: 1.05rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 32px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

a.contact-item:hover {
    color: var(--primary-light);
}

.contact-item i {
    width: 40px;
    height: 40px;
    background: var(--bg-card);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.1rem;
}

.contact-socials {
    display: flex;
    gap: 12px;
}

.contact-socials a {
    width: 40px;
    height: 40px;
    background: var(--bg-card);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    border: 1px solid var(--border);
}

.contact-socials a:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    transform: translateY(-3px);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(30, 41, 89, 0.4);
}

/* Footer */
.footer {
    padding: 40px 0;
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-content p {
    margin-bottom: 8px;
}

.footer strong {
    color: var(--text-secondary);
}

/* Mobile Menu & Responsive Layouts */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    .hero-description {
        margin: 0 auto 32px;
    }
    .hero-buttons, .hero-socials {
        justify-content: center;
    }
    .about-content, .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .experience-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 70%;
        max-width: 300px;
        background: var(--bg-card);
        flex-direction: column;
        justify-content: center;
        gap: 24px;
        transition: var(--transition);
        box-shadow: var(--shadow-xl);
        z-index: 999;
    }
    .nav-menu.active {
        right: 0;
    }
    .nav-btn {
        display: none; /* Hide download button inside bar for simpler mobile nav layout */
    }
    .hero-name {
        font-size: 2.5rem;
    }
}