* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background: #0a192f;
    color: #ffffff;
    overflow-x: hidden;
}

.section-padding {
    padding: 100px 50px;
}

/* Header Styles */
header {
    padding: 20px 50px;
    position: fixed;
    width: 100%;
    background: rgba(10, 25, 47, 0.95);
    z-index: 1000;
}

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

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #64ffda;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: #ffffff;
    text-decoration: none;
    font-size: 16px;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #64ffda;
}

/* Hero Section - Desktop tetap sama */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    padding: 0 100px;
}

.hero-content {
    max-width: 800px;
}

.hero-content h1 {
    font-size: 60px;
    margin-bottom: 20px;
    color: #64ffda;
}

.hero-content p {
    font-size: 20px;
    line-height: 1.6;
    margin-bottom: 30px;
    color: #8892b0;
}

.cta-buttons .btn {
    padding: 10px 20px;
    background-color: #64ffda;
    color: #000000;
    text-decoration: none;
    border-radius: 5px;
    margin: 5px;
    transition: background-color 0.3s ease;
}

.cta-buttons .btn:hover {
    background-color: #8892b0;
}

/* About Section */
.about {
    display: flex;
    gap: 50px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.about-image {
    flex: 1;
    position: relative;
    /* Animasi melayang */
    animation: float 3s ease-in-out infinite;
}

/* Keyframes untuk animasi melayang */
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.about-image img {
    width: 100%;
    max-width: 400px;
    border-radius: 10px;
}

.about-content {
    flex: 1;
}

.about-content h2 {
    color: #64ffda;
    margin-bottom: 20px;
}

.about-content p {
    color: #8892b0;
    line-height: 1.8;
    margin-bottom: 20px;
}

/* Services Section */
.services {
    max-width: 1200px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.service-card {
    background: #112240;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s;
}

.service-card:hover {
    transform: translateY(-10px);
}

.service-icon {
    font-size: 40px;
    color: #64ffda;
    margin-bottom: 20px;
}

.service-title {
    margin-bottom: 15px;
    color: #ffffff;
}

.service-desc {
    color: #8892b0;
    line-height: 1.6;
}

/* Skills Section */
.skills {
    max-width: 1200px;
    margin: 0 auto;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    margin-top: 50px;
}

.skill-item {
    background: #112240;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s;
}

.skill-item:hover {
    transform: translateY(-5px);
}

.skill-icon {
    font-size: 30px;
    color: #64ffda;
    margin-bottom: 10px;
}

/* Experience Section */
.experience {
    max-width: 1200px;
    margin: 0 auto;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 50px auto;
    padding: 20px;
}

.timeline-item {
    padding: 20px;
    background: #112240;
    margin-bottom: 30px;
    border-radius: 10px;
    position: relative;
}

.timeline-date {
    color: #64ffda;
    margin-bottom: 10px;
    font-weight: bold;
}

.timeline-title {
    color: #ffffff;
    margin-bottom: 10px;
}

.timeline-company {
    color: #8892b0;
    font-style: italic;
    margin-bottom: 10px;
}

.timeline-desc {
    color: #8892b0;
    line-height: 1.6;
}

/* Projects Section */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.project-card {
    background: #112240;
    border-radius: 10px;
    padding: 20px;
    transition: transform 0.3s;
}

.project-card:hover {
    transform: translateY(-10px);
}

.project-img {
    width: 100%;
    height: 200px;
    background: #1d3557;
    border-radius: 5px;
    margin-bottom: 20px;
    overflow: hidden;
}

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

.project-title {
    font-size: 20px;
    margin-bottom: 10px;
    color: #ffffff;
}

.project-desc {
    color: #8892b0;
    margin-bottom: 15px;
    line-height: 1.6;
}

.project-links {
    display: flex;
    gap: 15px;
}

.project-links a {
    color: #64ffda;
    text-decoration: none;
    font-size: 14px;
    transition: opacity 0.3s;
}

.project-links a:hover {
    opacity: 0.8;
}

/* Contact Section */
.contact {
    text-align: center;
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
}

.contact-content p {
    color: #8892b0;
    margin-bottom: 30px;
    line-height: 1.6;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.social-links a {
    color: #64ffda;
    font-size: 24px;
    transition: transform 0.3s;
}

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

.section-title {
    font-size: 32px;
    margin-bottom: 50px;
    text-align: center;
    color: #64ffda;
}

/* Typing Animation - Desktop tetap sama */
.typing {
    font-size: 48px;
    font-weight: bold;
    color: #333;
    white-space: nowrap;
    overflow: hidden;
    width: 0;
    animation: typing 5s ease forwards,
               disappear 1s ease 10s forwards,
               typing 5s ease 10s forwards,
               disappear 1s ease 15s forwards,
               typing 5s ease 15s forwards;
    animation-iteration-count: infinite;
}

@keyframes typing {
    from { width: 0 }
    to { width: 100% }
}

@keyframes disappear {
    to { width: 0 }
}

/* Mobile Navigation Styles */
.toggle-btn {
    display: none;
    background: none;
    border: none;
    color: #64ffda;
    font-size: 24px;
    cursor: pointer;
    padding: 0.5rem;
    transition: color 0.3s;
}

.toggle-btn:hover {
    color: #8892b0;
}

/* ====== MOBILE RESPONSIVENESS - HANYA UNTUK MOBILE ====== */

/* Tablet - Sedikit penyesuaian */
@media (max-width: 1024px) {
    .hero {
        padding: 0 60px;
    }
    
    .section-padding {
        padding: 80px 40px;
    }
}

/* Mobile & Table Portrait */
@media (max-width: 768px) {
    header {
        padding: 15px 20px;
    }

    nav {
        position: relative;
    }

    .toggle-btn {
        display: block;
        position: relative;
        z-index: 1001;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(10, 25, 47, 0.95);
        flex-direction: column;
        padding: 1rem;
        text-align: center;
        gap: 0.5rem;
        backdrop-filter: blur(10px);
        border-bottom: 2px solid rgba(100, 255, 218, 0.1);
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    }

    .nav-links.active {
        display: flex;
        animation: slideDown 0.3s ease-out forwards;
    }

    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .nav-links a {
        padding: 12px;
        width: 100%;
        font-size: 16px;
        border-radius: 4px;
        transition: all 0.3s ease;
    }

    .nav-links a:hover {
        background: rgba(100, 255, 218, 0.1);
        color: #64ffda;
    }

    /* Hero Section Mobile - Perbaikan utama */
    .hero {
        height: auto;
        min-height: 100vh;
        padding: 80px 20px 40px;
        text-align: center;
        justify-content: center;
    }

    .hero-content {
        max-width: 100%;
        text-align: center;
    }

    .hero-content h1 {
        font-size: 36px;
        line-height: 1.2;
        margin-bottom: 15px;
    }

    .hero-content p {
        font-size: 16px;
        margin-bottom: 25px;
        max-width: 90%;
        margin-left: auto;
        margin-right: auto;
    }

    .cta-buttons {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }

    .cta-buttons .btn {
        display: block;
        width: 200px;
        text-align: center;
        padding: 12px 20px;
        margin: 0;
    }

    /* Typing Animation Mobile */
    .typing {
        font-size: 28px;
    }

    .section-padding {
        padding: 60px 20px;
    }

    .about {
        flex-direction: column;
        gap: 30px;
    }

    .about-image {
        order: -1;
        max-width: 300px;
        margin: 0 auto;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .project-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .nav-links {
        padding: 0.75rem;
    }

    .nav-links a {
        padding: 10px;
        font-size: 15px;
    }

    .toggle-btn {
        font-size: 20px;
    }

    /* Hero Section Small Mobile */
    .hero {
        padding: 70px 15px 30px;
        min-height: 90vh;
    }

    .hero-content h1 {
        font-size: 28px;
        margin-bottom: 12px;
    }

    .hero-content p {
        font-size: 14px;
        margin-bottom: 20px;
        max-width: 95%;
    }

    .cta-buttons .btn {
        width: 180px;
        padding: 10px 16px;
        font-size: 14px;
    }

    .typing {
        font-size: 24px;
    }

    .section-padding {
        padding: 50px 15px;
    }

    .section-title {
        font-size: 24px;
    }

    .service-card,
    .project-card {
        padding: 20px 15px;
    }

    .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
        gap: 15px;
    }

    .social-links {
        gap: 15px;
    }

    .social-links a {
        font-size: 20px;
    }
}

/* Extra Small Mobile */
@media (max-width: 320px) {
    .hero {
        padding: 60px 10px 20px;
    }

    .hero-content h1 {
        font-size: 24px;
    }

    .hero-content p {
        font-size: 13px;
    }

    .cta-buttons .btn {
        width: 160px;
        padding: 8px 12px;
        font-size: 13px;
    }

    .typing {
        font-size: 20px;
    }

    .section-padding {
        padding: 40px 10px;
    }

    .section-title {
        font-size: 20px;
        margin-bottom: 30px;
    }
}