/* Global Styles */
:root {
    --primary-color: #0066cc;
    --secondary-color: #00aaff;
    --dark-color: #1a1a2e;
    --light-color: #f5f5f5;
    --text-color: #333;
    --text-light: #777;
    --success-color: #28a745;
    --border-color: #e0e0e0;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-color);
}

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

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 30px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

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

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

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

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

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.underline {
    height: 4px;
    width: 60px;
    background: var(--primary-color);
    margin: 0 auto;
}

section {
    padding: 100px 0;
}

/* Navigation */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.logo a {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-links ul {
    display: flex;
}

.nav-links ul li {
    margin-left: 30px;
}

.nav-links ul li a {
    color: var(--text-color);
    font-weight: 500;
}

.nav-links ul li a:hover {
    color: var(--primary-color);
}

.hamburger {
    display: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--text-color);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 150px 5% 100px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.hero-content h2 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: var(--text-light);
}

.hero-buttons {
    display: flex;
    gap: 15px;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.profile-photo {
    width: min(300px, 40vw);
    height: min(300px, 40vw);
    max-width: 300px;
    max-height: 300px;
    border-radius: 50%;
    object-fit: cover;
    object-position: center center;
    box-shadow: 0 15px 35px rgba(0, 102, 204, 0.15), 0 5px 15px rgba(0, 0, 0, 0.1);
    border: 4px solid var(--primary-color);
    transition: all 0.3s ease;
    display: block;
    aspect-ratio: 1 / 1;
    overflow: hidden;
}

.profile-photo:hover {
    transform: scale(1.05);
    box-shadow: 0 20px 40px rgba(0, 102, 204, 0.2), 0 8px 20px rgba(0, 0, 0, 0.15);
    border-color: var(--secondary-color);
}

.placeholder-image {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background-color: #e0e0e0;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.placeholder-image i {
    font-size: 150px;
    color: #aaa;
}

/* About Section */
.about {
    background-color: white;
}

.about-content {
    display: flex;
    justify-content: space-between;
    gap: 50px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.about-text {
    flex: 1;
}

.about-text p {
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.about-highlights {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
    flex-wrap: wrap;
    gap: 20px;
}

.highlight {
    flex: 1;
    min-width: 200px;
    text-align: center;
    padding: 20px;
    border-radius: 10px;
    background-color: var(--light-color);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.highlight:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.highlight i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.highlight h3 {
    margin-bottom: 10px;
    font-size: 1.3rem;
}

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

.skills-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.skill-category {
    margin-bottom: 30px;
}

.skill-category h3 {
    margin-bottom: 20px;
    font-size: 1.5rem;
    color: var(--dark-color);
}

.skill-item {
    margin-bottom: 15px;
}

.skill-item span {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

.skill-bar {
    height: 10px;
    background-color: #e0e0e0;
    border-radius: 5px;
    overflow: hidden;
}

.skill-level {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 5px;
}

/* Experience Section */
.experience {
    background-color: white;
}

.timeline {
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    width: 2px;
    background-color: var(--border-color);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -1px;
}

.timeline-item {
    padding: 10px 40px;
    position: relative;
    width: 50%;
    box-sizing: border-box;
    margin-bottom: 30px;
}

.timeline-item:nth-child(odd) {
    left: 0;
}

.timeline-item:nth-child(even) {
    left: 50%;
}

.timeline-dot {
    width: 20px;
    height: 20px;
    background-color: var(--primary-color);
    border-radius: 50%;
    position: absolute;
    right: -10px;
    top: 15px;
}

.timeline-item:nth-child(even) .timeline-dot {
    left: -10px;
}

.timeline-content {
    padding: 20px;
    background-color: var(--light-color);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.timeline-content h3 {
    margin-bottom: 5px;
    color: var(--primary-color);
}

.timeline-content h4 {
    margin-bottom: 10px;
    color: var(--text-color);
}

.timeline-date {
    font-style: italic;
    color: var(--text-light);
    margin-bottom: 15px;
}

.responsibilities {
    padding-left: 20px;
}

.responsibilities li {
    margin-bottom: 10px;
    position: relative;
}

.responsibilities li::before {
    content: "•";
    color: var(--primary-color);
    font-weight: bold;
    display: inline-block;
    width: 1em;
    margin-left: -1em;
}

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

.golden-jacket {
    text-align: center;
    margin-bottom: 50px;
}

.golden-jacket-badge {
    display: inline-block;
    padding: 30px 50px;
    background: linear-gradient(135deg, #ffd700 0%, #ffcc00 100%);
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(255, 215, 0, 0.3);
}

.golden-jacket-badge i {
    font-size: 4rem;
    color: #fff;
    margin-bottom: 15px;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.golden-jacket-badge h3 {
    font-size: 1.8rem;
    color: #fff;
    margin-bottom: 10px;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.golden-jacket-badge p {
    color: #fff;
    font-size: 1.1rem;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.cert-item {
    background-color: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: var(--transition);
    display: block;
    color: var(--text-color);
}

.cert-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    color: var(--text-color);
}

.cert-logo {
    margin-bottom: 15px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.cert-logo img {
    width: 80px;
    height: 80px;
    object-fit: contain;
}

.cert-icon {
    margin-bottom: 15px;
}

.cert-icon i {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.cert-item h4 {
    margin-bottom: 5px;
    font-size: 1.2rem;
}

.cert-item p {
    color: var(--text-light);
}

/* Projects Section */
.projects {
    background-color: white;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.project-card {
    background-color: var(--light-color);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.project-image {
    height: 200px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-content {
    padding: 20px;
}

.project-content h3 {
    margin-bottom: 10px;
    color: var(--dark-color);
}

.project-content p {
    margin-bottom: 15px;
    color: var(--text-light);
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.project-tech span {
    background-color: rgba(0, 102, 204, 0.1);
    color: var(--primary-color);
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.9rem;
}

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

.contact-container {
    display: flex;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    gap: 50px;
}

.contact-info {
    flex: 1;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-right: 15px;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.social-links a {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--secondary-color);
    transform: translateY(-5px);
}

.contact-form {
    flex: 1;
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
}

.form-group textarea {
    height: 150px;
    resize: vertical;
}

/* Footer */
footer {
    background-color: var(--dark-color);
    color: white;
    text-align: center;
    padding: 30px 0;
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 150px 5% 50px;
    }
    
    .hero-content {
        margin-bottom: 50px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .profile-photo {
        width: min(250px, 35vw);
        height: min(250px, 35vw);
    }
    
    .about-content {
        flex-direction: column;
    }
    
    .timeline::before {
        left: 40px;
    }
    
    .timeline-item {
        width: 100%;
        padding-left: 80px;
        padding-right: 0;
    }
    
    .timeline-item:nth-child(even) {
        left: 0;
    }
    
    .timeline-dot {
        left: 30px;
        right: auto;
    }
    
    .timeline-item:nth-child(even) .timeline-dot {
        left: 30px;
    }
    
    .contact-container {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    .nav-links {
        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);
    }

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

    .nav-links ul {
        flex-direction: column;
    }

    .nav-links ul li {
        margin: 25px 0;
    }

    .hamburger {
        display: block;
    }

    .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);
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .profile-photo {
        width: min(200px, 50vw);
        height: min(200px, 50vw);
        border: 3px solid var(--primary-color);
    }
}

/* Extra small devices (phones in portrait mode) */
@media (max-width: 480px) {
    .profile-photo {
        width: min(150px, 60vw);
        height: min(150px, 60vw);
        border: 2px solid var(--primary-color);
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-content h2 {
        font-size: 1.4rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
}