:root {
    --primary: #1a374d;
    --secondary: #3498db;
    --accent: #3fc1c9;
    --light: #f1f5f9;
    --dark: #334155;
    --text: #475569;
}

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

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

a {
    text-decoration: none;
    color: inherit;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 5rem 0;
}

.section-title {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 2rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--secondary);
}

.btn {
    display: inline-block;
    background-color: var(--secondary);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 5px;
    font-weight: 500;
    transition: all 0.3s ease;
}

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

/* Header */
header {
    background-color: var(--primary);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

.logo {
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
}

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

.menu {
    display: flex;
    gap: 1.5rem;
}

.menu-link {
    color: white;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.menu-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--secondary);
    transition: all 0.3s ease;
}

.menu-link:hover {
    color: var(--secondary);
}

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

.menu-btn {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    background-color: var(--primary);
    color: white;
    padding: 8rem 0 5rem;
    position: relative;
}

.hero-content {
    display: grid;
    grid-template-columns: 3fr 2fr;
    align-items: center;
    gap: 3rem;
}

.hero-text h1 {
    font-size: 2.8rem;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.hero-text h1 span {
    color: var(--secondary);
}

.hero-text p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-image {
    text-align: center;
}

.hero-image img {
    width: 280px;
    height: 280px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid var(--secondary);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: all 0.3s ease;
    color: white;
}

.social-link:hover {
    background-color: var(--secondary);
    transform: translateY(-3px);
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-image img {
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.about-text h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--primary);
}

.personal-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.info-item i {
    color: var(--secondary);
}

/* Resume Section */
.resume-download {
    margin-bottom: 2rem;
}

.resume-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.resume-item {
    background-color: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    margin-bottom: 1.5rem;
    border-left: 3px solid var(--secondary);
}

.resume-item h3 {
    font-size: 1.3rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.resume-item h4 {
    color: var(--secondary);
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.resume-date {
    display: inline-block;
    background-color: var(--light);
    padding: 0.3rem 0.8rem;
    border-radius: 30px;
    font-size: 0.8rem;
    margin-bottom: 1rem;
}

/* Skills Section */
.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.skill-card {
    background-color: white;
    border-radius: 10px;
    padding: 1.5rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.skill-card h3 {
    font-size: 1.3rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.skill-card h3 i {
    color: var(--secondary);
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.skill-tag {
    background-color: var(--light);
    padding: 0.5rem 1rem;
    border-radius: 30px;
    font-size: 0.9rem;
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.project-card {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.project-img {
    height: 200px;
}

.project-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-content {
    padding: 1.5rem;
}

.project-content h3 {
    font-size: 1.2rem;
    color: var(--primary);
    margin-bottom: 0.8rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.project-tag {
    background-color: var(--light);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
}

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

.project-link {
    color: var(--secondary);
    display: flex;
    align-items: center;
    gap: 0.3rem;
    font-weight: 500;
}

/* Certifications Section */
.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.cert-card {
    background-color: white;
    border-radius: 10px;
    padding: 1.5rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.cert-card:hover {
    transform: translateY(-5px);
}

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

.cert-logo {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--light);
    border-radius: 10px;
    font-size: 1.5rem;
    color: var(--secondary);
}

.cert-title h3 {
    font-size: 1.2rem;
    color: var(--primary);
    margin-bottom: 0.3rem;
}

.cert-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1rem;
}

/* Contact Section */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-info h3 {
    font-size: 1.8rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-icon {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--light);
    color: var(--secondary);
    border-radius: 50%;
    font-size: 1.2rem;
}

.contact-form {
    background-color: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

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

.form-control {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #e2e8f0;
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
}

.form-control:focus {
    outline: none;
    border-color: var(--secondary);
}

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

/* Footer */
footer {
    background-color: var(--primary);
    color: white;
    padding: 3rem 0 1.5rem;
    margin-top: 3rem;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
}

.footer-col h3 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

.footer-col h3::after {
    content: '';
    position: absolute;
    width: 40px;
    height: 2px;
    background-color: var(--secondary);
    bottom: -8px;
    left: 0;
}

.footer-text {
    margin-bottom: 1.5rem;
    opacity: 0.8;
}

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

.footer-social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    transition: all 0.3s ease;
}

.footer-social-link:hover {
    background-color: var(--secondary);
    transform: translateY(-3px);
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    opacity: 0.8;
    transition: all 0.3s ease;
}

.footer-links a:hover {
    opacity: 1;
    color: var(--secondary);
    padding-left: 5px;
}

.copyright {
    text-align: center;
    padding-top: 2rem;
    margin-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    opacity: 0.7;
}

/* Responsive */
@media (max-width: 992px) {

    .hero-content,
    .about-content,
    .resume-grid,
    .contact-container,
    .footer-container {
        grid-template-columns: 1fr;
    }

    .hero-image {
        order: -1;
    }
}

@media (max-width: 768px) {
    .container {
        width: 100%;
    }

    .menu {
        position: fixed;
        top: 70px;
        right: -100%;
        width: 250px;
        height: 100vh;
        background-color: var(--primary);
        flex-direction: column;
        padding: 2rem;
        transition: all 0.3s ease;
    }

    .menu.active {
        right: 0;
    }

    .menu-btn {
        display: block;
    }

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

    .skills-container,
    .projects-grid,
    .certifications-grid {
        grid-template-columns: 1fr;
    }

    .personal-info {
        grid-template-columns: 1fr;
    }
}