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

:root{
    --bg-color: #0b1412;        /* dark emerald-black */
    --snd-bg-color: #10201c;    /* section background */
    --text-color: #e6f4f1;      /* soft white */
    --main-color: #1fbf9a;      /* emerald-teal accent */
}

.light-mode {
    --bg-color: #f8fafc; /* Gunakan sedikit off-white agar tidak silau */
    --snd-bg-color: #ffffff;
    --text-color: #0f172a;
    --main-color: #059669; /* Hijau lebih gelap agar kontras di bg terang */
}

html {
    font-size: 62.5%;
    overflow-x: hidden;
}

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

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

.modal {
    display: none; 
    position: fixed;
    z-index: 9999; 
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
}

/* Container Utama Modal */
.modal-content {
    background: var(--snd-bg-color);
    margin: 5% auto; /* Jarak dari atas dikurangi agar tidak terlalu ke bawah */
    padding: 5rem 3rem 4rem; /* Padding atas dilebihkan untuk ruang tombol X */
    border: 2px solid var(--main-color);
    width: 40%; /* Lebih ramping di desktop agar elegan */
    max-width: 600px;
    border-radius: 2rem;
    position: relative;
    text-align: center;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.5);
    animation: modalFadeIn 0.4s cubic-bezier(0.18, 0.89, 0.32, 1.28);
}

/* Tombol Close (X) yang Benar */
.close-modal {
    position: absolute;
    top: 1.5rem;
    right: 2rem;
    font-size: 3.5rem;
    color: var(--text-color);
    cursor: pointer;
    transition: 0.3s;
    line-height: 1;
}

.close-modal:hover {
    color: #ff4d4d; /* Berubah merah saat hover agar jelas fungsinya */
    transform: scale(1.1);
}

/* Penataan Isi Modal */
.modal-body {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem; /* Memberi jarak otomatis antar elemen */
}

.modal-body i {
    font-size: 6rem; /* Ukuran ikon diperkecil sedikit agar proporsional */
    color: var(--main-color);
    background: rgba(31, 191, 154, 0.1); /* Tambahkan background bulat halus */
    padding: 2rem;
    border-radius: 50%;
    margin-bottom: 1rem;
}

.modal-body h2 {
    font-size: 3rem;
    font-weight: 700;
    color: var(--main-color);
}

.modal-body p {
    font-size: 1.6rem;
    line-height: 1.8;
    color: var(--text-color);
    text-align: justify; /* Membuat teks terlihat lebih rapi seperti buku */
}

.scroll-top {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    background: var(--main-color);
    color: var(--bg-color);
    width: 4.5rem;
    height: 4.5rem;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 3rem; /* Diperbesar sedikit agar jelas */
    box-shadow: 0 0 15px var(--main-color);
    opacity: 0; 
    visibility: hidden;
    transition: all .4s ease;
    z-index: 1000; /* Pastikan di atas segalanya */
    background: var(--main-color);
}

.scroll-top.show {
    opacity: 0.4;
    visibility: visible;
    bottom: 3rem;
    transform: translateX(-50%) translateY(0);
}

.scroll-top:hover {
    transform: translateX(-50%) translateY(-5px) scale(1.1);
    background: var(--main-color);
    opacity: 1;
}

/* Header Section Code */

.header {
    position: fixed;
    width: 100%;
    top: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 2rem 5%;
    background: transparent; /* Pastikan ini transparan di awal */
    backdrop-filter: blur(10px);
    transition: background 0.5s ease, backdrop-filter 0.5s ease, padding 0.5s ease;
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(15px); 
    -webkit-backdrop-filter: blur(15px);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    padding: 1.5rem 5%;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header.scrolled .navbar a {
    color: var(--text-color);
}

.header.scrolled .navbar a.active {
    color: var(--main-color);
    border-bottom: 3px solid var(--main-color);
}

.light-mode .header.scrolled {
    background: rgba(255, 255, 255, 0.4); /* Lebih putih tapi tetap transparan */
    border-bottom: 1px solid rgba(0, 0, 0, 0.05); /* Garis tipis gelap */
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.light-mode .header.scrolled .logo,
.light-mode .header.scrolled #theme-btn,
.light-mode .header.scrolled #menu-icon,
.light-mode .header.scrolled .navbar a {
    color: #0b1412; /* Warna teks berubah jadi gelap agar kontras */
    text-shadow: none;
}

.light-mode .header.scrolled .navbar a.active {
    border-bottom: 3px solid var(--main-color);
    color: var(--main-color);
}

.light-mode .header:not(.scrolled) .logo {
    color: var(--text-color);
    text-shadow: 0 0 5px rgba(0,0,0,0.3);
}

.logo {
    font-size: 3rem;
    color: var(--text-color);
    font-weight: 700;
    cursor: pointer;
    transition: 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

.navbar a {
    font-size: 1.9rem;
    color: var(--text-color); /* Pastikan pakai var teks yang terang */
    margin-left: 4rem;
    font-weight: 700;
    transition: 0.3s ease;
    border-bottom: 3px solid transparent; /* Siapkan space untuk border agar tidak goyang */
    padding-bottom: 5px;
    text-shadow: 0px 0px 5px rgba(0,0,0,0.5);
}

.header:not(.scrolled) .navbar a {
    text-shadow: 0px 0px 8px rgba(0,0,0,0.8);
}

.navbar a:hover,
.navbar a:active {
    color: var(--text-color);
    border-bottom: 3px solid var(--main-color);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 2rem; /* Jarak antara bulan dan hamburger */
}

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

#menu-icon:hover {
    transform: scale(1.1);
    color: var(--text-color);
}

#theme-btn {
    font-size: 2.5rem;
    color: var(--text-color); /* Saya sarankan pakai text-color agar terlihat */
    cursor: pointer;
    transition: 0.3s ease;
}

#theme-btn:hover {
    transform: scale(1.1);
    color: var(--text-color);
}

/* Home Section Code */

.home{
    display: flex;
    justify-content: center;
    align-items: center;
}

.home-img img {
    width: 25vw;
    border-radius: 50%;
    box-shadow: 0 0 25px var(--main-color);
    cursor: pointer;
    animation: floatimage 4s ease-in-out infinite;
    transition: 0.4s ease;
}

.home-img img:hover {
    box-shadow: 0 0 25px var(--main-color),
                0 0 35px var(--main-color),
                0 0 45px var(--main-color)
}

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

.home-content {
    margin-left: 5rem;
}

.home-content h3 {
    font-size: 3.7rem;
    font-weight: 700;
}

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

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

.home-content h1 {
    font-size: 6rem;
    font-weight: 700;
    line-height: 1.3;
}

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

.social-media {
    position: relative;
    z-index: 10;
}

.social-media a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 42px;
    height: 42px;
    background: transparent;
    border: 0.2rem solid var(--main-color);
    border-radius: 50%;
    font-size: 2rem;
    color: var(--main-color);
    margin: 3rem 1.5rem 3rem 0;
    transition: 0.3s ease;
}

.social-media a:hover {
    transform: scale(1.2) translateY(-10px);
    background-color: var(--main-color);
    color: var(--bg-color);    
    box-shadow: 0 0 25px var(--main-color);
}

.btn {
    display: inline-block;
    padding: 1rem 2.8rem;
    background: var(--main-color);
    border-radius: 4rem;
    box-shadow: none;
    font-size: 1.6rem;
    color: var(--bg-color);
    letter-spacing: 0.1rem;
    font-weight: 600;
    transition: 0.3s ease;
}

.btn:hover {
    box-shadow: 0 0 1.6rem var(--main-color);
}

/* About Section Code    */

.about {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    background: var(--snd-bg-color);
} 

.about-img img {
    width: 25vw;
    border: 2px solid var(--main-color);
    border-radius: 50%;
    box-shadow: 0 0 25px var(--main-color);
    cursor: pointer;
    transition: 0.4s ease;
}

.about-img img:hover {
    box-shadow: 0 0 25px var(--main-color),
                0 0 35px var(--main-color),
                0 0 45px var(--main-color)
}

.heading {
    font-size: 6rem;
    text-align: center;
}

.about-content {
    padding: 0 4rem;
}

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

.about-content h3 {
    font-size: 3rem;
}

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

.highlight {
    color: var(--main-color);
    font-weight: 600;
}

/* Services Section Code */

.services h2 {
    text-align: center;
    margin-bottom: 5rem;
}

.services-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.services-container .service-box {
    flex: 1 1 30rem;
    background: var(--snd-bg-color);
    padding: 6rem 2rem 4rem;
    border-radius: 2rem;
    text-align: center;
    border: 0.3rem solid var(--bg-color);
    transition: 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between; 
    align-items: center; 
    min-height: 450px; 
}   

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

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

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

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

/* Testimonial Section Code */

.testimonial {
    background: var(--snd-bg-color);
}

.testimonial-box {
    background-size: cover;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.testimonial .heading {
    margin-bottom: 5rem;
}

.testimonial-item img {
    width: 15rem;
    border-radius: 50%;
    border: 3px solid var(--main-color);
    box-shadow: 0 0 25px var(--main-color);
}

.wrapper {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 3rem;
}

.testimonial-item {
    min-height: 450px;
    max-width: 450px;
    background: var(--bg-color);
    border: 0.3rem solid var(--bg-color);
    border-radius: 2rem;
    margin: 0 2rem;
    padding: 20px 20px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    color: var(--text-color);
    transition: 0.3s ease;
}

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

.testimonial-item h2 {
    font-size: 3rem;
}

.testimonial-item p {
    font-size: 1.5rem;
    text-align: center;
}   

.star {
    color: gold;
    font-size: 2em;
}

/* Contact Section Code */

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

.contact .heading {
    text-align: center;
}

.contact h2 {
    margin-bottom: 3rem;
    color: var(--text-color);
}

.contact form {
    max-width: 80rem;
    margin: 1rem auto;
    text-align: center;
    margin-bottom: 3rem;
}

.contact form .input-box {
    display: flex;
    justify-content: center;
    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(--bg-color);
    border-radius: 0.8rem;
    border: 0.25rem solid var(--main-color);
    margin: 0.7rem 0;
    resize: none;
    transition: 0.3s ease;
}

.contact form .input-box input {
    width: 49%;
    margin: 0.7rem 0.35rem;
}

.contact form .btn {
    margin-top: 2rem;
}

/* Footer Section Code */

.footer {
    position: relative;
    bottom: 0;
    width: 100%;
    padding: 40px 0;
    background-color: var(--snd-bg-color);
}

.footer .social {
    text-align: center;
    padding-bottom: 25px;
    color: var(--main-color);
}

.footer .social a {
    font-size: 25px;
    color: var(--main-color);
    border: 2px solid var(--main-color);
    width: 42px;
    height: 42px;
    line-height: 42px;
    display: inline-block;
    text-align: center;
    border-radius: 50%;
    margin: 0 10px;
    transition: 0.3s ease;
}

.footer .social a:hover {
    transform: scale(1.2) translateY(-10px);
    background-color: var(--main-color);
    color: var(--bg-color);    
    box-shadow: 0 0 25px var(--main-color);
}

.footer .copyright {
    margin-top: 20px;
    text-align: center;
    font-size: 16px;
    color: var(--text-color);
}

/* Responsive Design Code */

@media (max-width: 1200px) {
    html {
        font-size: 55%;
    }
}

@media (max-width: 991px) {
    .header {
        padding: 2rem 3%;
    }
    section {
        padding: 10rem 3%;
    }
    .services {
        padding: 7rem;
    }
    .testimonial .wrapper {
        grid-template-columns: repeat(1,1fr);
    }
    .contact form .input-box input {
        width: 100%;
    }
    .footer {
        padding: 2rem 3%;
    }
}

@media (max-width: 991px) {
    #menu-icon {
        display: block;
    }
    .light-mode .navbar {
        background: rgba(255, 255, 255, 0.8); /* Putih transparan */
        backdrop-filter: blur(15px); /* Efek kaca es */
        border-left: 3px solid var(--main-color);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.05); /* Bayangan sangat halus */
    }

    .light-mode .navbar a {
        color: #0b1412; /* Teks menu gelap */
        border-bottom: 1px solid rgba(0, 0, 0, 0.05); /* Garis pemisah tipis */
    }

    .light-mode .navbar a.active {
        background: rgba(31, 191, 154, 0.1); /* Warna hijau sangat muda saat aktif */
        color: var(--main-color);
    }
    .nav-right {
        gap: 1.5rem; /* Perkecil jarak di mobile agar tidak sesak */
    }
    .navbar {
        position: absolute;
        top: 100%;
        right: -100%;
        width: 255px;
        min-height: 100vh;
        display: flex;
        flex-direction: column;
        background: var(--snd-bg-color);
        transition: 0.5s all ease;
        backdrop-filter: blur(15px);
        border-left: 3px solid var(--main-color); 
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    }
    .navbar a {
        display: block;
        padding: 2rem;
        font-size: 2rem;
        color: var(--text-color);
        font-weight: 600;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    .navbar.active {
        right: 0;
    }
    .home {
        flex-direction: column;
    }
    .home-content h3 {
        font-size: 2.6rem;
    }
    .home-content h1 {
        font-size: 5rem;
    }
    .home-content {
        order: 2;
        margin-left: 1rem;
    }
    .home-img img {
        width: 70vw;
        margin-top: 4rem;
    }
    .about {
        flex-direction: column-reverse;
    }
    .about-img img {
        width: 70vw;
        margin-top: 4rem;
    }
    .services h2 {
        margin-bottom: 3rem;
    }
}

@media (max-width: 617px) {
    .home-img img {
        width: 70vw;
        margin-top: 8rem;
    }
    .about-img img {
        width: 70vw;
        margin-top: 4rem;
    }   
}

@media (max-width: 617px) {
    html {
        font-size: 50%;
    }
}

@media (max-width: 768px) {
    .modal-content {
        width: 90%;
        margin: 20% auto;
        padding: 4rem 2rem 3rem;
    }
    .modal-body i {
        font-size: 5rem;
        padding: 1.5rem;
    }
    .modal-body h2 {
        font-size: 2.4rem;
    }
    .modal-body p {
        font-size: 1.4rem;
        text-align: center; /* Di HP lebih bagus rata tengah */
    }
}

@keyframes modalFadeIn {
    from {
        top: -100px;    /* Muncul dari arah atas */
        opacity: 0;     /* Mulai dari transparan */
        transform: scale(0.7); /* Mulai dari ukuran kecil */
    }
    to {
        top: 0;         /* Berhenti di posisi asli */
        opacity: 1;     /* Menjadi terlihat jelas */
        transform: scale(1);   /* Kembali ke ukuran normal */
    }
}

.navbar a.active {
    color: var(--text-color);
    border-bottom: 2px solid var(--text-color);
}

/* Scroll Reveal Animation */
.reveal {
    opacity: 0;
    transform: translateY(60px);
    transition: all 0.8s ease;
    pointer-events: none;
}

.reveal.show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

/* Aksesibilitas Keyboard */
a:focus-visible, button:focus-visible {
    outline: 2px dashed var(--main-color);
    outline-offset: 4px;
}