/* Basic Styles */
:root {
    --primary-color: #3498db;
    --secondary-color: #2c3e50;
    --bg-color: #ecf0f1;
    --text-color: #34495e;
}

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

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

/* Navbar */
.navbar {
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.logo a {
    font-size: 1.5rem;
    font-weight: 600;
    text-decoration: none;
    color: var(--primary-color);
}

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

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

.nav-links li {
    margin-left: 20px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 400;
    transition: color 0.3s ease;
}

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

/* Sections */
.section {
    padding: 80px 5%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--secondary-color);
    text-align: center;
}

/* Hero Section */
.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 40px;
    padding-top: 150px;
    /* Jarak dari navbar */
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-color);
}

.hero-image img {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid var(--primary-color);
}

.btn-primary {
    display: inline-block;
    padding: 12px 24px;
    margin-top: 2rem;
    background-color: var(--primary-color);
    color: #fff;
    text-decoration: none;
    border-radius: 50px;
    transition: background-color 0.3s ease;
}

.btn-primary:hover {
    background-color: #2980b9;
}

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

.about-content {
    max-width: 800px;
    text-align: center;
}

.skills ul {
    list-style: none;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 1rem;
}

.skills li {
    background-color: var(--primary-color);
    color: #fff;
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 600;
}

/* Timeline Sections (Education, Volunteer, Experience) */
.timeline {
    width: 100%;
    max-width: 800px;
    position: relative;
    padding: 20px 0;
}

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

.timeline-item {
    background-color: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
    position: relative;
}

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

.timeline-item p {
    color: #7f8c8d;
    font-style: italic;
    margin-bottom: 10px;
}

/* Contact Section */
.contact-info a {
    color: var(--primary-color);
    text-decoration: none;
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem 0;
    background-color: var(--secondary-color);
    color: #fff;
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        align-items: center;
    }

    .nav-links {
        flex-direction: column;
        width: 100%;
        text-align: center;
        display: none;
        /* Akan di-toggle oleh JavaScript */
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        margin: 10px 0;
    }

    .hero {
        flex-direction: column-reverse;
    }

    .hero-image {
        margin-top: 10px;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        margin-left: 40px;
    }
}