/* General Styles */
:root {
    --primary-color: #00e676; /* Hijau cerah untuk aksen teknologi */
    --secondary-color: #212121; /* Abu-abu sangat tua untuk footer dan nav */
    --base-dark-gray: #333333; /* Abu-abu tua utama */
    --text-color: #e0e0e0; /* Teks terang untuk latar gelap */
    --light-text-color: #bdbdbd; /* Teks sedikit lebih terang */
    --medium-gray: #424242; /* Abu-abu sedang untuk bagian latar belakang */
    --card-background: #2b2b2b; /* Latar belakang kartu */
    --border-color: #555555; /* Warna border */
    --white: #fff;
    --transition-speed: 0.3s;
}

body {
    margin: 0;
    font-family: 'Roboto Mono', monospace; /* Font monospace untuk kesan teknologi */
    background-color: var(--base-dark-gray); /* Abu-abu tua sebagai latar belakang */
    color: var(--text-color); /* Warna teks umum */
    line-height: 1.6;
    scroll-behavior: smooth;
}

/* Main Navigation Bar */
.main-nav {
    background-color: var(--secondary-color); /* Warna latar belakang navbar gelap */
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3); /* Bayangan lebih gelap */
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

/* Navbar saat digulir - tetap gelap */
.main-nav.scrolled {
    background-color: var(--secondary-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

.nav-brand a {
    color: #E0F7FA; /* Warna putih kebiruan sangat terang */
    text-decoration: none;
    font-size: 28px;
    font-weight: bold;
    letter-spacing: 1px;
    transition: color 0.3s ease;
    /* Efek glow untuk teks brand */
    text-shadow: 0 0 10px rgba(128, 203, 250, 0.7),
                 0 0 20px rgba(128, 203, 250, 0.5);
}

.nav-brand a:hover {
    color: var(--primary-color); /* Berubah ke hijau aksen saat hover */
    text-shadow: 0 0 12px var(--primary-color),
                 0 0 22px rgba(0, 230, 118, 0.7);
}

.nav-menu {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 35px;
    margin-right: 10px; /* Sedikit disesuaikan */
}

.nav-link {
    color: var(--light-text-color); /* Warna teks link default */
    text-decoration: none;
    font-size: 17px;
    padding: 10px 0;
    position: relative;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 3px;
    background-color: var(--primary-color); /* Warna highlight hijau */
    bottom: -5px;
    left: 0;
    transition: width 0.3s ease-in-out;
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link:hover {
    color: var(--primary-color); /* Warna teks link saat hover */
}

/* Menu Toggle for Mobile */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.icon-bar {
    display: block;
    width: 30px;
    height: 3px;
    background-color: var(--primary-color); /* Warna icon-bar hijau */
    margin: 6px 0;
    transition: all 0.3s ease-in-out;
}

/* Hamburger animation */
.menu-toggle.active .icon-bar:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.menu-toggle.active .icon-bar:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active .icon-bar:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* Responsive Design */
@media (max-width: 768px) {
    .main-nav {
        padding: 15px 20px; /* Adjust padding for better spacing on mobile */
    }

    .menu-toggle {
        display: block;
        margin-right: 10px; /* Move hamburger menu to the right */
    }

    .nav-menu {
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: var(--secondary-color); /* Background menu mobile gelap */
        border-top: 1px solid var(--border-color);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease-out;
    }

    .nav-menu.active {
        max-height: 300px;
    }

    .nav-menu li {
        text-align: center;
        padding: 10px 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }
    .nav-menu li:last-child {
        border-bottom: none;
    }

    .nav-link {
        display: block;
        padding: 15px 0;
        color: var(--text-color); /* Teks menu mobile lebih terang */
    }
    .nav-link:hover {
        background-color: var(--card-background); /* Latar belakang hover di menu mobile */
    }
}

/* --- Gaya Bagian Berita --- */
.news-section-container {
    background-color: var(--medium-gray); /* Latar belakang bagian berita */
    padding: 60px 20px;
    text-align: center;
    padding-top: 100px;
}

.news-section-container .section-header h3 {
    font-size: 38px;
    margin-bottom: 20px;
    color: var(--white); /* Judul berita putih */
    font-family: 'Montserrat', sans-serif;
}

.news-section-container .section-header h3::after {
    content: "";
    border-bottom: 6px solid var(--primary-color); /* Warna highlight hijau */
    width: 60px;
    display: block;
    margin: 20px auto 40px auto;
}

.news-section-container .section-header p.ringkasan {
    font-size: 20px;
    color: var(--light-text-color); /* Teks ringkasan sedikit terang */
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

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

.news-card {
    background-color: var(--card-background); /* Latar belakang kartu berita gelap */
    border-radius: 10px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    text-decoration: none;
    color: var(--text-color); /* Teks kartu berita terang */
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    cursor: pointer;
    border: 1px solid var(--border-color); /* Border tipis */
}

.news-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.3);
    border-color: var(--primary-color); /* Border glow saat hover */
}

.news-image {
    width: 100%;
    height: 200px;
    background-size: cover;
    background-position: center;
    border-bottom: 1px solid var(--border-color);
    filter: brightness(0.8) contrast(1.1); /* Gambar sedikit gelap, kontras */
    transition: filter 0.3s ease;
}
.news-card:hover .news-image {
    filter: brightness(1) contrast(1.2); /* Lebih terang saat hover */
}

.news-content {
    padding: 25px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.news-intro {
    font-size: 14px;
    color: var(--light-text-color); /* Teks intro sedikit terang */
    margin-bottom: 10px;
    line-height: 1.5;
}

.news-title {
    font-size: 20px;
    margin-top: 0;
    margin-bottom: 0;
    color: var(--white); /* Judul berita di kartu putih */
    line-height: 1.4;
    transition: color 0.3s ease;
    font-family: 'Montserrat', sans-serif;
}

.news-card:hover .news-title {
    color: var(--primary-color); /* Warna judul berubah ke hijau saat hover */
}

/* Responsif untuk card berita */
@media screen and (max-width: 768px) {
    .news-grid {
        grid-template-columns: 1fr;
        padding: 0 20px;
    }
}

/* --- Gaya Footer --- */
footer {
  padding: 60px 0px;
  background-color: var(--secondary-color); /* Latar belakang footer abu-abu sangat tua */
  color: var(--light-text-color); /* Warna teks footer */
  border-top: 1px solid var(--border-color); /* Border atas footer */
}
footer .layar-dalam {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
  max-width: 1100px; /* Batasan lebar seperti container utama */
  margin: 0 auto;
  padding: 0 20px;
  text-align: left; /* Teks footer sejajar kiri */
}
footer .layar-dalam div {
  width: auto;
}
footer .layar-dalam h5 {
  margin-top: 0px;
  font-size: 20px; /* Ukuran judul footer */
  font-weight: bold;
  color: var(--white); /* Judul footer putih */
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}
footer .layar-dalam h5::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 3px;
    background-color: var(--primary-color); /* Garis bawah hijau */
    border-radius: 2px;
}
footer .layar-dalam .contact ul.social-links {
  list-style: none;
  padding: 0;
  margin: 10px 0;
}

footer .layar-dalam .contact ul.social-links li {
  margin-bottom: 8px;
}

footer .layar-dalam .contact ul.social-links li a.social-button {
  display: flex;
  align-items: center;
  color: var(--light-text-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

footer .layar-dalam .contact ul.social-links li a.social-button:hover {
  color: var(--primary-color); /* Warna teks sosial hover hijau */
}

footer .layar-dalam .contact ul.social-links li a.social-button i {
  background-color: var(--card-background); /* Background ikon gelap */
  color: var(--primary-color); /* Warna ikon hijau */
  width: 35px;
  height: 35px;
  line-height: 35px;
  border-radius: 50%;
  text-align: center;
  margin-right: 10px;
  font-size: 18px;
  display: inline-block;
  transition: background-color 0.3s ease, color 0.3s ease;
  border: 1px solid var(--border-color);
}

footer .layar-dalam .contact ul.social-links li a.social-button:hover i {
  background-color: var(--primary-color); /* Background ikon hover hijau */
  color: var(--secondary-color); /* Warna ikon hover gelap */
  border-color: var(--primary-color);
}
footer .layar-dalam .copyright {
  grid-column: 1 / -1;
  width: 100%;
  margin-top: 40px;
  padding-top: 30px;
  border-top: 1px solid var(--border-color);
  text-align: center;
  font-size: 14px;
  color: var(--light-text-color);
}

/* Responsive Design untuk Footer */
@media screen and (max-width: 768px) {
    footer .layar-dalam {
        grid-template-columns: 1fr;
        text-align: center;
    }
    footer .layar-dalam div {
        margin-bottom: 20px;
    }
    footer .layar-dalam .contact ul.social-links li a.social-button {
        justify-content: center;
    }
    footer .layar-dalam .copyright {
        margin-top: 20px;
        padding-top: 20px;
    }
    footer .layar-dalam h5::after {
        left: 50%;
        transform: translateX(-50%);
    }
}

@media (max-width: 480px) {
    .main-nav {
        padding: 10px 15px; /* Adjust padding for smaller screens */
    }
    .menu-toggle {
        margin-right: 5px; /* Adjust margin for smaller screens */
    }
    .nav-brand a {
        font-size: 24px;
    }
}