/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    background: #ffffff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(15px);
    z-index: 1000;
    padding: 1.2rem 0;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(102, 126, 234, 0.1);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.logo-image {
    width: 48px;
    height: 48px;
    transition: transform 0.3s ease;
}

.logo-image:hover {
    transform: scale(1.1);
}

.logo-text {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 1.2rem;
    font-weight: 700;
    padding: 0.5rem 0.8rem;
    border: 2px solid transparent;
    border-radius: 8px;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.5rem;
    align-items: center;
}

.nav-menu li {
    margin: 0;
}

.nav-link {
    text-decoration: none;
    color: #2c3e50;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 1rem;
    border-radius: 6px;
}

.nav-link:hover {
    color: #667eea;
    background: rgba(102, 126, 234, 0.1);
    transform: translateY(-1px);
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 3px;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transition: width 0.3s ease;
    border-radius: 2px;
}

.nav-link:hover::after {
    width: 80%;
}

.nav-link.active {
    color: #667eea;
    background: rgba(102, 126, 234, 0.15);
}

.nav-link.active::after {
    width: 80%;
}

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

.bar {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23e1e5e9" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.gradient-text {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
    line-height: 1.6;
}

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

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: #667eea;
}

.stat-label {
    font-size: 0.9rem;
    color: #666;
    font-weight: 500;
}

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

.btn {
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #f8f9fa;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.btn-secondary {
    background: transparent;
    color: #667eea;
    border: 2px solid #667eea;
}

.btn-secondary:hover {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
}

.hero-visual {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
}

.hero-photo-container {
    position: relative;
    width: 280px;
    height: 350px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.3);
    transition: all 0.3s ease;
    margin-bottom: 1rem;
}

.hero-photo-container:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 30px 60px rgba(102, 126, 234, 0.4);
}

.hero-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    display: block;
}

.photo-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    padding: 2rem 1.5rem 1.5rem;
    color: white;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.hero-photo-container:hover .photo-overlay {
    transform: translateY(0);
}

.photo-info h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.photo-info p {
    font-size: 1rem;
    opacity: 0.9;
    margin: 0;
}

.tech-stack {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    max-width: 300px;
}

.tech-item {
    width: 80px;
    height: 80px;
    background: white;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: #667eea;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    cursor: pointer;
}

.tech-item:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 12px 35px rgba(102, 126, 234, 0.3);
}

/* Removed tooltip functionality - icons will only do the pop animation */

/* Section Styles */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* About Section */
.about {
    padding: 100px 0;
    background: white;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-description {
    font-size: 1.1rem;
    color: #666;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.about-highlights {
    display: grid;
    gap: 1.5rem;
}

.highlight {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.highlight:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.highlight i {
    font-size: 1.5rem;
    color: #667eea;
    margin-top: 0.2rem;
}

.highlight h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.highlight p {
    color: #666;
    line-height: 1.6;
}

.profile-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 12px 35px rgba(102, 126, 234, 0.3);
}

.profile-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.profile-header p {
    opacity: 0.9;
    margin-bottom: 1.5rem;
}

.profile-details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.detail {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.detail i {
    width: 20px;
    opacity: 0.8;
}

.profile-photo-container {
    position: relative;
    width: 100%;
    max-width: 300px;
    margin: 0 auto;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 12px 35px rgba(102, 126, 234, 0.3);
    transition: all 0.3s ease;
}

.profile-photo-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.4);
}

.profile-photo {
    width: 100%;
    height: 400px;
    object-fit: cover;
    object-position: center top;
    display: block;
}

.profile-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    padding: 2rem 1.5rem 1.5rem;
    color: white;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.profile-photo-container:hover .profile-overlay {
    transform: translateY(0);
}

.profile-info h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.profile-info p {
    font-size: 1rem;
    opacity: 0.9;
    margin: 0;
}

/* Experience Section */
.experience {
    padding: 100px 0;
    background: #f8f9fa;
}

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

.timeline-item {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
    transition: all 0.3s ease;
}

.timeline-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.15);
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid #f0f0f0;
}

.timeline-header h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #333;
}

.company {
    color: #667eea;
    font-weight: 500;
}

.duration {
    color: #666;
    font-size: 0.9rem;
}

.achievements {
    display: grid;
    gap: 1.5rem;
}

.achievement {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.achievement-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.achievement-content h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #333;
}

.achievement-content p {
    color: #666;
    line-height: 1.6;
}

/* Projects Section */
.projects {
    padding: 100px 0;
    background: white;
}

.projects-container {
    position: relative;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.scroll-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    z-index: 10;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.scroll-btn:hover {
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
}

.scroll-left {
    left: -25px;
}

.scroll-right {
    right: -25px;
}

.scroll-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: translateY(-50%) scale(1);
}

.projects-grid {
    display: flex;
    gap: 2rem;
    overflow-x: auto;
    padding: 1rem 0;
    scroll-behavior: smooth;
}

.projects-grid::-webkit-scrollbar {
    height: 8px;
}

.projects-grid::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

.projects-grid::-webkit-scrollbar-thumb {
    background: #667eea;
    border-radius: 4px;
}

.projects-grid::-webkit-scrollbar-thumb:hover {
    background: #764ba2;
}

/* Main page scrollbar styling */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #f8f9fa;
}

::-webkit-scrollbar-thumb {
    background: rgba(102, 126, 234, 0.6);
    border-radius: 3px;
    transition: background 0.3s ease;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(102, 126, 234, 0.8);
}

.project-card {
    min-width: 320px;
    max-width: 380px;
    flex-shrink: 0;
}

.project-card {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #f0f0f0;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.15);
}

.project-card.featured {
    border: 2px solid #667eea;
    position: relative;
}

.project-badge {
    position: absolute;
    top: -10px;
    right: 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.company-badge {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
}

.project-note {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
    padding: 0.8rem;
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    border-radius: 8px;
    font-size: 0.9rem;
    color: #856404;
}

.project-note i {
    color: #f39c12;
}

.project-header {
    margin-bottom: 1rem;
}

.project-header h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 0.5rem;
}

.project-description {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.project-highlights {
    display: grid;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.highlight-item i {
    color: #28a745;
    font-size: 0.9rem;
}

.highlight-item span {
    color: #666;
    font-size: 0.9rem;
}

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

.tech-tag {
    background: #f8f9fa;
    color: #667eea;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid #e9ecef;
}

.project-links {
    display: flex;
    gap: 1rem;
}

.project-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.project-link:hover {
    color: #764ba2;
    transform: translateX(2px);
}

/* Skills Section */
.skills {
    padding: 100px 0;
    background: #f8f9fa;
}

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

.skill-category {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.skill-category h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #333;
    text-align: center;
}

.skill-items {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

.skill-item i {
    font-size: 1.5rem;
    color: #667eea;
    width: 30px;
}

.skill-item span {
    flex: 1;
    font-weight: 500;
    color: #333;
}

.skill-level {
    width: 100px;
    height: 8px;
    background: #e9ecef;
    border-radius: 4px;
    overflow: hidden;
}

.skill-bar {
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 4px;
    transition: width 1s ease;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #333;
}

.contact-info p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 2rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

.contact-item i {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

.contact-item h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.2rem;
    color: #333;
}

.contact-item a {
    color: #667eea;
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-item a:hover {
    color: #764ba2;
}

.contact-form {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 16px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Notification styles */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    padding: 1rem 1.5rem;
    z-index: 10000;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    border-left: 4px solid;
}

.notification.show {
    transform: translateX(0);
}

.notification.success {
    border-left-color: #28a745;
}

.notification.error {
    border-left-color: #dc3545;
}

.notification-content {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.notification-content i {
    font-size: 1.2rem;
}

.notification.success .notification-content i {
    color: #28a745;
}

.notification.error .notification-content i {
    color: #dc3545;
}

/* Button loading state */
.btn-loading {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

/* Footer */
.footer {
    background: #333;
    color: white;
    padding: 2rem 0;
    text-align: center;
}

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

.footer-social {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background: #667eea;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: #764ba2;
    transform: translateY(-2px);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    .logo-image {
        width: 40px;
        height: 40px;
    }

    .logo-text {
        font-size: 1rem;
    }

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

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-photo-container {
        width: 240px;
        height: 300px;
    }

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

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

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

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

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

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

    .footer-content {
        flex-direction: column;
        gap: 1rem;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

/* Scroll animations */
.scroll-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.scroll-animate.animate {
    opacity: 1;
    transform: translateY(0);
}