@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800;900&display=swap');

:root {
    --bg-color: #081b29;      /* Biru gelap pekat */
    --second-bg-color: #112e42; /* Sedikit lebih terang */
    --text-color: #ededed;
    --main-color: #00abf0;    /* Cyan Neon */
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    text-decoration: none;
    border: none;
    outline: none;
    scroll-behavior: smooth;
    font-family: 'Poppins', sans-serif;
}

body {
    background: var(--bg-color);
    color: var(--text-color);
}

html {
    font-size: 62.5%;
    overflow-x: hidden;
    scroll-behavior: smooth;
    scroll-padding-top: 8rem;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 2rem 9%;
    background: transparent;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    transition: .3s;
}

.header.sticky {
    background: var(--bg-color);
    box-shadow: 0 0 10px rgba(0,0,0,0.5);
}

.logo {
    font-size: 2.5rem;
    color: var(--text-color);
    font-weight: 600;
}

.navbar a {
    font-size: 1.7rem;
    color: var(--text-color);
    font-weight: 500;
    margin-left: 3.5rem;
    transition: .3s;
}

.navbar a:hover,
.navbar a.active {
    color: var(--main-color);
}

#menu-icon {
    font-size: 3.6rem;
    color: var(--text-color);
    display: none;
    cursor: pointer;
}

/* Sections Global */
section {
    min-height: 100vh;
    padding: 10rem 9% 2rem;
}

span {
    color: var(--main-color);
}

/* Home Section */
.home {
    display: flex;
    justify-content: center;
    align-items: center;
    background: url('https://via.placeholder.com/1920x1080') no-repeat; /* Opsional: background image */
    background-size: cover;
    background-position: center;
}

.home-content {
    flex: 1;
}

.home-content h3 {
    font-size: 3.2rem;
    font-weight: 700;
}

.home-content h3:nth-of-type(2) {
    margin-bottom: 2rem;
}

.home-content h1 {
    font-size: 5.6rem;
    font-weight: 700;
    line-height: 1.3;
}

.home-content p {
    font-size: 1.6rem;
    margin-bottom: 2rem;
}

.social-media a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 4rem;
    height: 4rem;
    background: transparent;
    border: .2rem solid var(--main-color);
    border-radius: 50%;
    font-size: 2rem;
    color: var(--main-color);
    margin: 3rem 1.5rem 3rem 0;
    transition: .5s ease;
}

.social-media a:hover {
    background: var(--main-color);
    color: var(--second-bg-color);
    box-shadow: 0 0 1rem var(--main-color);
}

.btn {
    display: inline-block;
    padding: 1rem 2.8rem;
    background: var(--main-color);
    border-radius: 4rem;
    box-shadow: 0 0 1rem var(--main-color);
    font-size: 1.6rem;
    color: var(--second-bg-color);
    letter-spacing: .1rem;
    font-weight: 600;
    transition: .5s ease;
}

.btn:hover {
    box-shadow: none;
}

.home-img {
    flex: 1;
    text-align: right;
}

.home-img img {
    width: 30vw;
    animation: floatImage 4s ease-in-out infinite;
}

@keyframes floatImage {
    0% { transform: translateY(0); }
    50% { transform: translateY(-2.4rem); }
    100% { transform: translateY(0); }
}

/* About Section */
.about {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    background: var(--second-bg-color);
}

.about-img img {
    width: 20vw;
    border-radius: 20px;
}

.heading {
    text-align: center;
    font-size: 4.5rem;
}

.about-content h2 {
    text-align: left;
    line-height: 1.2;
}

.about-content h3 {
    font-size: 2.6rem;
}

.about-content p {
    font-size: 1.6rem;
    margin: 2rem 0 3rem;
}

/* Education Section */
.education {
    background: var(--bg-color);
}

.education-row {
    display: flex;
    flex-wrap: wrap;
    gap: 5rem;
}

.education-column {
    flex: 1 1 40rem;
}

.education-column .title {
    font-size: 2.5rem;
    margin: 0 0 1.5rem 2rem;
}

.education-box {
    border-left: .2rem solid var(--main-color);
}

.education-content {
    position: relative;
    padding-left: 2rem;
}

.education-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: -1.1rem;
    width: 2rem;
    height: 2rem;
    background: var(--main-color);
    border-radius: 50%;
}

.education-content .content {
    position: relative;
    padding: 1.5rem;
    border: .2rem solid var(--main-color);
    border-radius: .6rem;
    margin-bottom: 2rem;
    overflow: hidden;
}

.education-content .content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: var(--second-bg-color);
    z-index: -1;
    transition: .5s;
}

.education-content .content:hover::before {
    width: 100%;
}

.education-content .content .year {
    font-size: 1.5rem;
    color: var(--main-color);
    padding-bottom: .5rem;
}

.education-content .content h3 {
    font-size: 2rem;
}

.education-content .content p {
    font-size: 1.6rem;
    padding-top: .5rem;
}

/* Services / Experience */
.experience {
    background: var(--second-bg-color);
}
.services-container {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
    margin-top: 3rem;
}

.services-box {
    flex: 1 1 30rem;
    background: var(--bg-color);
    padding: 3rem 2rem 4rem;
    border-radius: 2rem;
    text-align: center;
    border: .2rem solid var(--bg-color);
    transition: .5s ease;
}

.services-box:hover {
    border-color: var(--main-color);
    transform: scale(1.02);
}

.services-box i {
    font-size: 7rem;
    color: var(--main-color);
}

.services-box h3 {
    font-size: 2.6rem;
}

.services-box p {
    font-size: 1.6rem;
    margin: 1rem 0 3rem;
}

/* Portfolio Projects */
.portfolio {
    background: var(--bg-color);
}

.portfolio-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    align-items: center;
    gap: 2.5rem;
    margin-top: 3rem;
}

.portfolio-box {
    position: relative;
    border-radius: 2rem;
    box-shadow: 0 0 1rem var(--bg-color);
    overflow: hidden;
    display: flex;
}

.portfolio-box img {
    width: 100%;
    transition: .5s ease;
}

.portfolio-box:hover img {
    transform: scale(1.1);
}

.portfolio-layer {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0,0,0,.1), var(--main-color));
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    text-align: center;
    padding: 0 4rem;
    transform: translateY(100%);
    transition: .5s ease;
}

.portfolio-box:hover .portfolio-layer {
    transform: translateY(0);
}

.portfolio-layer h4 {
    font-size: 3rem;
}

.portfolio-layer p {
    font-size: 1.6rem;
    margin: .3rem 0 1rem;
}

.portfolio-layer a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 5rem;
    height: 5rem;
    background: var(--text-color);
    border-radius: 50%;
}

.portfolio-layer a i {
    font-size: 2rem;
    color: var(--second-bg-color);
}

/* Tasks / GitHub List Section */
.tasks {
    background: var(--second-bg-color);
}

.sub-heading {
    text-align: center;
    font-size: 1.6rem;
    margin-bottom: 3rem;
}

.task-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    max-width: 800px;
    margin: 0 auto;
}

.task-card {
    display: flex;
    align-items: center;
    background: var(--bg-color);
    padding: 1.5rem 2rem;
    border-radius: 1rem;
    border: 1px solid transparent;
    transition: 0.3s;
}

.task-card:hover {
    border-color: var(--main-color);
    transform: translateX(10px);
    box-shadow: 0 0 10px rgba(0, 171, 240, 0.2);
}

.task-icon {
    font-size: 3rem;
    color: var(--main-color);
    margin-right: 2rem;
}

.task-info h4 {
    font-size: 1.8rem;
    color: var(--text-color);
}

.task-info p {
    font-size: 1.4rem;
    color: #bbb;
}

.task-arrow {
    margin-left: auto;
    font-size: 2.5rem;
    color: var(--main-color);
}

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

.contact form {
    max-width: 70rem;
    margin: 1rem auto;
    text-align: center;
    margin-bottom: 3rem;
}

.contact form .input-box {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.contact form .input-box input,
.contact form textarea {
    width: 100%;
    padding: 1.5rem;
    font-size: 1.6rem;
    color: var(--text-color);
    background: var(--second-bg-color);
    border-radius: .8rem;
    margin: .7rem 0;
}

.contact form .input-box input {
    width: 49%;
}

.contact form textarea {
    resize: none;
}

/* Footer */
.footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    padding: 2rem 9%;
    background: var(--second-bg-color);
}

.footer-text p {
    font-size: 1.6rem;
}

.footer-iconTop a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    padding: .8rem;
    background: var(--main-color);
    border-radius: .8rem;
    transition: .5s ease;
}

.footer-iconTop a:hover {
    box-shadow: 0 0 1rem var(--main-color);
}

.footer-iconTop a i {
    font-size: 2.4rem;
    color: var(--second-bg-color);
}

/* Responsive Media Queries */
@media (max-width: 1200px) {
    html { font-size: 55%; }
}

@media (max-width: 991px) {
    .header { padding: 2rem 3%; }
    section { padding: 10rem 3% 2rem; }
    .services-container { padding-bottom: 7rem; }
    .portfolio-container { grid-template-columns: repeat(2, 1fr); }
    .footer { padding: 2rem 3%; }

    #menu-icon {
        display: block;
    }

    .navbar {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        padding: 1rem 3%;
        background: var(--bg-color);
        border-top: .1rem solid rgba(0,0,0,.2);
        box-shadow: 0 .5rem 1rem rgba(0,0,0,.2);
        display: none;
    }

    .navbar.active {
        display: block;
    }

    .navbar a {
        display: block;
        font-size: 2rem;
        margin: 3rem 0;
    }
}

@media (max-width: 768px) {
    .home { flex-direction: column; }
    .home-content h3 { font-size: 2.6rem; }
    .home-content h1 { font-size: 5rem; }
    .home-img img { width: 70vw; margin-top: 4rem; }
    .about { flex-direction: column-reverse; }
    .about img { width: 70vw; margin-top: 4rem; }
    .services-container { flex-direction: column; }
    .portfolio-container { grid-template-columns: 1fr; }

    .contact form .input-box input {
        width: 100%;
    }
}