:root {
    --main: #0f172a;
    --sub: #334155;
    --accent: #0284c7;
    --card: #ffffff;
}

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(180deg, #bae6fd, #f0f9ff);
    color: var(--main);
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.6s ease, transform 0.6s ease;
    padding-top: 80px;
}

body.page-loaded {
    opacity: 1;
    transform: translateY(0);
}

.text-main {
    color: var(--main);
}

.text-sub {
    color: var(--sub);
}

.code-font {
    font-family: 'Fira Code', monospace;
}

.json-center {
    display: flex;
    justify-content: center;
}

.code-block {
    background: rgba(255, 255, 255, 0.6);
    padding: 20px 25px;
    border-radius: 12px;
    font-family: 'Fira Code', monospace;
    font-size: 14px;
    line-height: 1.6;
    backdrop-filter: blur(5px);

    width: fit-content;
    /* 🔥 ini kunci utama */
    max-width: 90%;
    /* biar tetap responsive */
    margin: 0 auto;
    /* tambahan biar aman */

    text-align: left;
}

/* warna syntax */
.json-key {
    color: #0284c7;
    /* biru */
}

.json-string {
    color: #16a34a;
    /* hijau */
}

.json-brace {
    color: #334155;
}

.json-bracket {
    color: #475569;
}

.navbar {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.page-section{
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 40px;
}

.glow {
    color: var(--accent);
    transition: 0.3s;
}

.btn-custom {
    border: 1px solid var(--accent);
    color: var(--accent);
    transition: all 0.3s ease;
}

.btn-custom:hover {
    background: var(--accent);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(2, 132, 199, 0.25);
}

.card {
    background: var(--card);
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 15px 35px rgba(2, 132, 199, 0.15);
}

.icon-box {
    font-size: 40px;
    color: var(--accent);
    transition: 0.3s;
}

.card:hover .icon-box {
    transform: scale(1.2);
}

.card {
    opacity: 0;
    transform: translateY(15px);
    animation: cardIn 0.6s ease forwards;
}

.card:nth-child(1) {
    animation-delay: 0.1s;
}

.card:nth-child(2) {
    animation-delay: 0.2s;
}

.card:nth-child(3) {
    animation-delay: 0.3s;
}

.card:nth-child(4) {
    animation-delay: 0.4s;
}

@keyframes cardIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

footer {
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.navbar-toggler {
    border: none;
}

.navbar-toggler:focus {
    box-shadow: none;
}

/* pastikan icon terlihat jelas */
.navbar-toggler-icon {
    filter: brightness(0);
    /* jadi hitam */
}

.navbar {
    z-index: 9999;
}

.navbar-collapse {
    transition: all 0.3s ease;
}

.nav-link {
    padding: 10px 15px;
}

.nav-link.active {
    color: var(--accent) !important;
    font-weight: 600;
    border-bottom: 2px solid var(--accent);
}

@media (max-width: 991px) {
    .navbar-collapse {
        background: rgba(255, 255, 255, 0.95);
        padding: 15px;
        border-radius: 10px;
        margin-top: 10px;
    }
}