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

:root {
    --primary-color: #2563eb;
    --secondary-color: #0ea5e9;
    --accent-color: #10b981;
    --dark-color: #1e293b;
    --light-color: #f8fafc;
    --text-color: #334155;
    --text-light: #64748b;
    --white: #ffffff;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #2563eb 0%, #0ea5e9 100%);
    --gradient-accent: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.7;
    color: var(--text-color);
    overflow-x: hidden;
    background: var(--white);
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: var(--transition);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 0;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 2px;
}

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

.nav-link {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 0;
}

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

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

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

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

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

/* Home Section */
.home {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #2563eb 100%);
    color: var(--white);
    padding: 80px 0 100px 0;
    position: relative;
    overflow: hidden;
}

.home::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.home-content {
    position: relative;
    z-index: 1;
    text-align: center;
    animation: fadeInUp 1s ease;
    max-width: 900px;
    padding: 0 20px;
    margin: 0 auto;
}

.home-text {
    animation: fadeInUp 1s ease;
}

.greeting {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    opacity: 0.95;
    font-weight: 400;
}

.name {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.2);
    background: linear-gradient(135deg, #ffffff 0%, #e0e7ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title {
    font-size: 2rem;
    margin-bottom: 1rem;
    font-weight: 600;
    opacity: 0.95;
}

.subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.6;
}

.home-contact-info {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

/* Ensure contact info only shows in home section - already handled above */

.contact-link {
    color: var(--white);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 1.5rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    transition: var(--transition);
    font-size: 0.95rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.contact-link:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
}

.home-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 1.5rem;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    text-decoration: none;
    border-radius: 50px;
    transition: var(--transition);
    font-weight: 600;
    cursor: pointer;
    border: none;
    font-size: 1rem;
    font-family: inherit;
}

.btn-primary {
    background: var(--white);
    color: var(--primary-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

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

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary-color);
    transform: translateY(-3px);
}

/* Section Styles */
section {
    padding: 100px 0;
    position: relative;
    overflow: visible;
}

/* Ensure contact info only appears in home section */
section:not(.home) .home-contact-info,
section:not(.home) .home-buttons {
    display: none !important;
}

/* Home section overflow already handled in main .home rule above */

.section-title {
    font-size: 2.8rem;
    text-align: center;
    margin-bottom: 4rem;
    color: var(--dark-color);
    position: relative;
    font-weight: 700;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 5px;
    background: var(--gradient-secondary);
    border-radius: 5px;
}

/* About Section */
.about {
    background: var(--light-color);
    position: relative;
    padding-top: 100px;
    margin-top: 0;
    clear: both;
}

/* Hide any contact info that might appear outside home section */
.about .home-contact-info,
.about .contact-link,
section:not(.home) .home-contact-info {
    display: none !important;
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.summary-card {
    background: var(--white);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.summary-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
}

.summary-text {
    font-size: 1.15rem;
    line-height: 1.9;
    color: var(--text-color);
    margin-bottom: 2rem;
    text-align: justify;
}

.summary-text strong {
    color: var(--primary-color);
    font-weight: 600;
}

.highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.2rem;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
}

.highlight-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.highlight-item span {
    font-weight: 600;
    color: var(--dark-color);
}

/* Skills Section */
.skills {
    background: var(--white);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.skill-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
    border: 2px solid transparent;
}

.skill-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.skill-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.skill-category {
    font-size: 1.4rem;
    margin-bottom: 1.5rem;
    color: var(--dark-color);
    font-weight: 600;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    justify-content: center;
}

.skill-tag {
    background: var(--gradient-secondary);
    color: var(--white);
    padding: 0.6rem 1.2rem;
    border-radius: 25px;
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

.skill-tag:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
}

/* Projects Section */
.projects {
    background: var(--light-color);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-top: 4px solid var(--primary-color);
    display: flex;
    flex-direction: column;
}

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

.project-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.project-icon {
    font-size: 2rem;
    color: var(--primary-color);
}

.project-title {
    font-size: 1.4rem;
    color: var(--dark-color);
    font-weight: 600;
    flex: 1;
}

.project-tech {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.project-tech i {
    color: var(--accent-color);
}

.project-achievements {
    list-style: none;
    margin-bottom: 1.5rem;
    flex: 1;
}

.project-achievements li {
    padding: 0.7rem 0;
    color: var(--text-color);
    line-height: 1.6;
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
}

.project-achievements li i {
    color: var(--accent-color);
    margin-top: 0.3rem;
    font-size: 0.9rem;
}

.project-achievements li strong {
    color: var(--primary-color);
    font-weight: 600;
}

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

.project-link:hover {
    gap: 1rem;
    color: var(--secondary-color);
}

/* Experience Section */
.experience {
    background: var(--white);
}

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

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--gradient-secondary);
    border-radius: 3px;
}

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

.timeline-marker {
    position: absolute;
    left: -2.5rem;
    top: 0.5rem;
    width: 20px;
    height: 20px;
    background: var(--white);
    border: 4px solid var(--primary-color);
    border-radius: 50%;
    box-shadow: 0 0 0 4px var(--white);
}

.timeline-content {
    background: var(--light-color);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.timeline-content:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-lg);
}

.experience-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.job-title {
    font-size: 1.5rem;
    color: var(--dark-color);
    font-weight: 600;
}

.company {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1.1rem;
}

.duration {
    background: var(--gradient-secondary);
    color: var(--white);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-left: auto;
}

.job-type {
    color: var(--text-light);
    font-style: italic;
    margin-bottom: 1rem;
}

.job-responsibilities {
    list-style: none;
}

.job-responsibilities li {
    padding: 0.6rem 0;
    color: var(--text-color);
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
}

.job-responsibilities li i {
    color: var(--accent-color);
    margin-top: 0.4rem;
    font-size: 0.8rem;
}

.job-responsibilities li strong {
    color: var(--primary-color);
    font-weight: 600;
}

/* Education Section */
.education {
    background: var(--light-color);
}

.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.education-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
}

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

.education-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.degree {
    font-size: 1.4rem;
    color: var(--dark-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.institution {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.period {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.education-details {
    text-align: left;
    background: var(--light-color);
    padding: 1.5rem;
    border-radius: 10px;
    margin-top: 1.5rem;
}

.education-details p {
    margin: 0.5rem 0;
    color: var(--text-color);
}

/* Certifications Section */
.certifications {
    background: var(--white);
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.cert-card {
    background: var(--light-color);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.cert-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.cert-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.cert-card h4 {
    font-size: 1.1rem;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

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

.cert-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
    font-size: 0.9rem;
}

.cert-link:hover {
    gap: 0.8rem;
    color: var(--secondary-color);
}

.cert-note {
    font-size: 0.75rem;
    color: var(--text-light);
    margin-top: 0.5rem;
    font-style: italic;
}

/* Contact Section */
.contact {
    background: var(--light-color);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
    max-width: 1100px;
    margin: 0 auto;
}

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

.contact-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

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

.contact-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.contact-card h4 {
    color: var(--dark-color);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.contact-card p {
    color: var(--text-light);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
}

.social-link {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-secondary);
    color: var(--white);
    border-radius: 50%;
    text-decoration: none;
    transition: var(--transition);
    font-size: 1.2rem;
}

.social-link:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 5px 15px rgba(37, 99, 235, 0.4);
}

.contact-form {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

.form-title {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--dark-color);
    font-weight: 600;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem 1.2rem;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
    background: var(--light-color);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

/* Footer */
.footer {
    background: var(--dark-color);
    color: var(--white);
    text-align: center;
    padding: 2rem 0;
}

.footer span {
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 600;
}

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

/* Responsive Design */
@media (max-width: 968px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
        padding: 2rem 0;
        gap: 0;
    }

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

    .nav-menu li {
        padding: 1rem 0;
    }

    .name {
        font-size: 2.5rem;
    }

    .title {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 2.2rem;
    }

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

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

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

    .timeline {
        padding-left: 1.5rem;
    }

    .timeline-item {
        padding-left: 2.5rem;
    }
}

@media (max-width: 640px) {
    .name {
        font-size: 2rem;
    }

    .greeting {
        font-size: 1.1rem;
    }

    .title {
        font-size: 1.3rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .home-contact-info {
        flex-direction: column;
        align-items: center;
    }

    .home-buttons {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
    }

    .summary-card {
        padding: 2rem 1.5rem;
    }

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

    .experience-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .duration {
        margin-left: 0;
    }
}