:root {
    --primary-color: #2a9d8f;
    --secondary-color: #264653;
    --accent-color: #e9c46a;
    --text-dark: #333;
    --text-light: #f8f9fa;
    --background-light: #ffffff;
    --background-alt: #f8f9fa;
    --border-radius: 8px;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

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

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    background-color: var(--background-light);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

.nav-links {
    display: flex;
    list-style: none;
    gap: 1.5rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
}

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

.btn-download {
    background-color: var(--primary-color);
    color: white !important;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

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

.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--text-light);
    padding: 5rem 5%;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
}

.hero-content {
    display: flex;
    align-items: center;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.profile-image img {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    border: 5px solid rgba(255, 255, 255, 0.3);
    object-fit: cover;
}

.hero-text h1 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.hero-text h2 {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.intro-text {
    margin-bottom: 2rem;
    max-width: 600px;
    font-size: 1.1rem;
}

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

.social-icons a {
    color: var(--text-light);
    font-size: 1.5rem;
    transition: var(--transition);
}

.social-icons a:hover {
    color: var(--accent-color);
    transform: translateY(-3px);
}

.section {
    padding: 5rem 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.section:nth-child(even) {
    background-color: var(--background-alt);
}

.section-title {
    font-size: 2rem;
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
    color: var(--secondary-color);
}

.section-title::after {
    content: '';
    display: block;
    width: 50px;
    height: 4px;
    background: var(--primary-color);
    margin: 0.5rem auto;
}

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

.timeline::before {
    content: '';
    position: absolute;
    width: 2px;
    background-color: var(--primary-color);
    top: 0;
    bottom: 0;
    left: 20%;
    margin-left: -1px;
}

.timeline-item {
    padding: 1rem 1rem 1rem 30%;
    position: relative;
    margin-bottom: 2rem;
}

.timeline-date {
    position: absolute;
    left: 0;
    width: 20%;
    text-align: right;
    padding-right: 2rem;
    color: var(--primary-color);
    font-weight: 600;
}

.timeline-content {
    background: white;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.timeline-content h3 {
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

.timeline-content h4 {
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--primary-color);
}

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

.skill-group h3 {
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.skill-items {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.skill-items span {
    background: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 30px;
    font-size: 0.9rem;
}

footer {
    background-color: var(--secondary-color);
    color: var(--text-light);
    padding: 3rem 5%;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.contact-info h3 {
    margin-bottom: 1rem;
}

.contact-info p {
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-more {
    display: block;
    text-align: center;
    margin-top: 2rem;
    padding: 0.8rem 1.5rem;
    background-color: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    font-weight: 600;
    border-radius: var(--border-radius);
    text-decoration: none;
    transition: var(--transition);
}

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

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.contact-info-main {
    background-color: var(--secondary-color);
    border-radius: var(--border-radius);
    padding: 2rem;
    color: var(--text-light);
}

.contact-info-main p {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.1rem;
}

.contact-info-main .social-icons {
    margin-top: 2rem;
}

.contact-info-main .social-icons a {
    color: var(--text-light);
    font-size: 1.5rem;
    margin-right: 1rem;
    transition: var(--transition);
}

.contact-info-main .social-icons a:hover {
    color: var(--accent-color);
    transform: translateY(-3px);
}

.contact-form {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--box-shadow);
}

.contact-form h3 {
    margin-bottom: 1.5rem;
    color: var(--secondary-color);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-family: inherit;
}

.btn-submit {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

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

.error-message {
    color: #e74c3c;
    font-size: 0.85rem;
    margin-top: 5px;
    display: block;
}

.success-message {
    background-color: #d4edda;
    color: #155724;
    padding: 15px;
    border-radius: var(--border-radius);
    margin-top: 20px;
    text-align: center;
    font-weight: 500;
}

textarea {
    resize: center;
    min-height: 100px;
}

input.error, textarea.error {
    border-color: #e74c3c;
}

@media (max-width: 900px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
    }
    
    .timeline::before {
        left: 10%;
    }
    
    .timeline-item {
        padding-left: 20%;
    }
    
    .timeline-date {
        width: 10%;
    }
    
    .skills-container {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 768px) {
    .nav-links {
        position: absolute;
        right: 0;
        top: 70px;
        background-color: var(--background-light);
        flex-direction: column;
        width: 100%;
        align-items: center;
        transform: translateY(-150%);
        transition: var(--transition);
        padding: 2rem;
        box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
    }
    
    .nav-links.active {
        transform: translateY(0);
    }
    
    .burger {
        display: block;
    }
    
    .burger div {
        width: 25px;
        height: 3px;
        background-color: var(--text-dark);
        margin: 5px;
        transition: var(--transition);
    }
}