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

:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --accent-color: #f093fb;
    --text-dark: #2d3748;
    --text-light: #718096;
    --bg-light: #f7fafc;
    --bg-white: #ffffff;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-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);
    z-index: 1000;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo .logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    transition: var(--transition);
}

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

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

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

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    margin: 3px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.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 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,133.3C960,128,1056,96,1152,90.7C1248,85,1344,107,1392,117.3L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
}

.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;
    color: white;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.highlight {
    background: linear-gradient(135deg, #f093fb, #f5576c);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 2rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.8;
    line-height: 1.8;
}

.tech-stack {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.tech-item {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.9rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

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

.btn {
    padding: 0.75rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    display: inline-block;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background: white;
    color: var(--primary-color);
    transform: translateY(-2px);
}

.btn-small {
    padding: 0.5rem 1.5rem;
    font-size: 0.9rem;
}

.btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.profile-card {
    position: relative;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.profile-image-container {
    position: relative;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    overflow: hidden;
    border: 5px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.profile-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.3), rgba(118, 75, 162, 0.3));
}


/* Section Styles */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* About Section */
.about {
    background: var(--bg-light);
    position: relative;
    z-index: 2;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-text p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: var(--text-light);
    line-height: 1.8;
}

.skills-section h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.skills-categories {
    margin-bottom: 3rem;
}

.skill-category {
    margin-bottom: 2rem;
}

.skill-category h4 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-weight: 600;
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-tag {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition);
}

.skill-tag:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.tool-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1rem;
    background: white;
    border-radius: 10px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.tool-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.tool-icon {
    width: 40px;
    height: 40px;
    margin-bottom: 0.5rem;
    object-fit: contain;
}

.tool-icon-placeholder {
    width: 40px;
    height: 40px;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.tool-item span {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-dark);
}

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

.skill-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: white;
    border-radius: 10px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.skill-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.skill-item i {
    color: var(--primary-color);
    font-size: 1.2rem;
}

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

.education-slider {
    position: relative;
    overflow: hidden;
    margin: 0 auto;
    max-width: 1000px;
}

.education-cards {
    display: flex;
    transition: transform 0.5s ease;
    gap: 2rem;
}

.education-card {
    min-width: 300px;
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
}

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

.education-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

.education-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.education-school {
    font-size: 1rem;
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.education-location {
    display: block;
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 0.25rem;
}

.education-date {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.education-grade {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark);
    background: var(--bg-light);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    display: inline-block;
    margin-top: 0.5rem;
}

.slider-controls {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

.slider-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: none;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.slider-btn:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

.slider-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

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

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    transform: translateX(-50%);
}

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

.timeline-item:nth-child(odd) .timeline-content {
    margin-right: 50%;
    padding-right: 2rem;
    text-align: right;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: 50%;
    padding-left: 2rem;
}

.timeline-dot {
    position: absolute;
    left: 50%;
    top: 0;
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    transform: translateX(-50%);
    border: 4px solid white;
    box-shadow: var(--shadow-md);
}

.timeline-content {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.timeline-header h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.timeline-company {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
    font-weight: 500;
}

.timeline-item:nth-child(odd) .timeline-company {
    justify-content: flex-end;
}

.timeline-date {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 1rem;
}

.timeline-description {
    list-style: none;
    margin-bottom: 1rem;
}

.timeline-description li {
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1.5rem;
}

.timeline-item:nth-child(odd) .timeline-description li {
    padding-left: 0;
    padding-right: 1.5rem;
}

.timeline-description li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.timeline-item:nth-child(odd) .timeline-description li::before {
    left: auto;
    right: 0;
}

.skills-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.timeline-item:nth-child(odd) .skills-tags {
    justify-content: flex-end;
}

.skill-tag {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.8rem;
}

/* Achievements Section */
.achievements {
    background: var(--bg-light);
}

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

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

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

.achievement-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
}

.achievement-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.achievement-card p {
    color: var(--text-light);
    line-height: 1.6;
}

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

.project-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}

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

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

.project-duration {
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.project-description {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    flex: 1;
}

.project-title {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

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

.tech-badge {
    background: var(--bg-light);
    color: var(--primary-color);
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

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

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

.project-buttons .btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* Roles & Responsibilities Section */
.roles {
    background: var(--bg-light);
}

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

.role-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.role-header {
    margin-bottom: 1.5rem;
}

.role-header h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
    line-height: 1.4;
}

.role-date {
    font-size: 0.9rem;
    color: var(--primary-color);
    font-weight: 500;
}

.role-description {
    list-style: none;
    padding: 0;
    margin-bottom: 1.5rem;
}

.role-description li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.8rem;
    color: var(--text-light);
    line-height: 1.6;
}

.role-description li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.role-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

/* Contact Section */
.contact {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    text-align: center;
}

.contact .section-title {
    color: white;
    -webkit-text-fill-color: white;
}

.contact-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.contact-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: white;
    text-decoration: none;
    font-size: 1.1rem;
    padding: 1rem 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

.contact-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.contact-link i {
    font-size: 1.3rem;
}

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

.footer p {
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

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

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

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

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

    .hero-subtitle {
        font-size: 1.5rem;
    }

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

    .profile-image-container {
        width: 250px;
        height: 250px;
    }

    .timeline::before {
        left: 30px;
    }

    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        margin-left: 60px;
        margin-right: 0;
        padding-left: 1rem;
        padding-right: 1rem;
        text-align: left;
    }

    .timeline-dot {
        left: 30px;
    }

    .timeline-item:nth-child(odd) .timeline-company,
    .timeline-item:nth-child(odd) .skills-tags {
        justify-content: flex-start;
    }

    .timeline-item:nth-child(odd) .timeline-description li {
        padding-left: 1.5rem;
        padding-right: 0;
    }

    .timeline-item:nth-child(odd) .timeline-description li::before {
        left: 0;
        right: auto;
    }

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

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

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

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

    .education-cards {
        flex-direction: column;
        align-items: center;
    }

    .education-card {
        min-width: 100%;
        max-width: 350px;
    }

    .slider-controls {
        display: none;
    }

    .tools-grid {
        grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
        gap: 1rem;
    }

    .tool-icon,
    .tool-icon-placeholder {
        width: 30px;
        height: 30px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .timeline-content {
        padding: 1.5rem;
    }

    .project-buttons {
        flex-direction: column;
    }

    .btn-small {
        width: 100%;
        text-align: center;
    }
}