:root {
    --bg-main: #F5F9FC;
    --accent-primary: #4FB0D9;
    --accent-secondary: #1E3A5F;
    --highlight: #A8E6F0;
    --text-main: #12263A;
    --card-bg: rgba(255, 255, 255, 0.65);
    --border-ice: rgba(79, 176, 217, 0.25);
    --text-soft: #33506b;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    color: var(--text-main);
    background: linear-gradient(160deg, #F5F9FC 0%, #E3F1F8 50%, #D5EAF5 100%);
    min-height: 100vh;
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & navigasi */
.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(245, 249, 252, 0.75);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-ice);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--accent-secondary);
    font-weight: 700;
    font-size: 1.25rem;
}

.brand-icon {
    font-size: 1.4rem;
}

.main-nav {
    display: flex;
    gap: 22px;
}

.main-nav a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 500;
    padding: 6px 2px;
    border-bottom: 2px solid transparent;
    transition: color 0.2s ease, border-color 0.2s ease;
}

.main-nav a:hover {
    color: var(--accent-primary);
}

.main-nav a.active {
    color: var(--accent-primary);
    border-bottom-color: var(--accent-primary);
}

/* Hero */
.hero {
    text-align: center;
    padding: 80px 20px 60px;
}

.hero-title {
    font-size: 2.6rem;
    color: var(--accent-secondary);
    margin-bottom: 16px;
}

.hero-subtitle {
    font-size: 1.15rem;
    max-width: 620px;
    margin: 0 auto 32px;
    color: var(--text-soft);
}

.hero-actions {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 12px 26px;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn-primary {
    background: var(--accent-primary);
    color: #ffffff;
    box-shadow: 0 6px 18px rgba(79, 176, 217, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
}

.btn-ghost {
    background: transparent;
    color: var(--accent-secondary);
    border: 1px solid var(--border-ice);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.6);
}

/* Kartu */
.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 22px;
    padding: 20px 0 80px;
}

.card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-ice);
    border-radius: 16px;
    padding: 26px;
    box-shadow: 0 8px 24px rgba(30, 58, 95, 0.08);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 32px rgba(30, 58, 95, 0.14);
}

.card h2 {
    color: var(--accent-secondary);
    margin-bottom: 10px;
    font-size: 1.25rem;
}

.card p {
    margin-bottom: 16px;
    color: var(--text-soft);
}

.card-link {
    text-decoration: none;
    color: var(--accent-primary);
    font-weight: 600;
}

/* Segera hadir */
.coming-soon {
    text-align: center;
    padding: 100px 20px;
}

.coming-soon h1 {
    font-size: 2rem;
    color: var(--accent-secondary);
    margin-bottom: 12px;
}

.coming-soon p {
    margin-bottom: 26px;
    color: var(--text-soft);
}

/* Footer */
.site-footer {
    border-top: 1px solid var(--border-ice);
    background: rgba(245, 249, 252, 0.6);
    padding: 24px 0;
    text-align: center;
    color: var(--text-soft);
}

/* Responsif */
@media (max-width: 720px) {
    .header-inner {
        flex-direction: column;
        height: auto;
        padding: 12px 0;
        gap: 10px;
    }

    .main-nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: 14px;
    }

    .hero-title {
        font-size: 2rem;
    }
}

/* ===== Halaman konten (Panduan & Mekanik) ===== */
.page-header {
    text-align: center;
    padding: 56px 20px 8px;
}

.page-header h1 {
    font-size: 2.2rem;
    color: var(--accent-secondary);
    margin-bottom: 10px;
}

.page-sub {
    color: var(--text-soft);
    max-width: 640px;
    margin: 0 auto;
}

.content-section {
    max-width: 820px;
    margin: 0 auto;
    padding: 22px 20px;
}

.content-section h2 {
    color: var(--accent-secondary);
    font-size: 1.4rem;
    margin-bottom: 12px;
    border-left: 4px solid var(--accent-primary);
    padding-left: 12px;
}

.content-section h3 {
    color: var(--accent-secondary);
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.content-section p {
    margin-bottom: 14px;
    color: var(--text-main);
}

.content-section ul,
.content-section ol {
    margin: 0 0 14px 22px;
    color: var(--text-main);
}

.content-section li {
    margin-bottom: 8px;
}

.info-table {
    width: 100%;
    border-collapse: collapse;
    margin: 6px 0 16px;
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
}

.info-table th,
.info-table td {
    text-align: left;
    padding: 12px 14px;
    border-bottom: 1px solid var(--border-ice);
}

.info-table th {
    background: rgba(79, 176, 217, 0.15);
    color: var(--accent-secondary);
}

.info-table tr:last-child td {
    border-bottom: none;
}

.tip {
    background: rgba(168, 230, 240, 0.35);
    border: 1px solid var(--border-ice);
    border-radius: 12px;
    padding: 14px 16px;
    margin: 6px 0 8px;
    color: var(--accent-secondary);
}

.next-step {
    text-align: center;
    font-weight: 600;
}

.next-step a {
    color: var(--accent-primary);
    text-decoration: none;
}

/* ===== Berita ===== */
.news-list {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.news-item {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-ice);
    border-radius: 14px;
    padding: 22px 24px;
    box-shadow: 0 8px 24px rgba(30, 58, 95, 0.08);
}

.news-title {
    font-size: 1.3rem;
    margin-bottom: 6px;
}

.news-title a {
    color: var(--accent-secondary);
    text-decoration: none;
}

.news-title a:hover {
    color: var(--accent-primary);
}

.news-meta {
    font-size: 0.85rem;
    color: var(--text-soft);
    margin-bottom: 10px;
}

.news-summary {
    color: var(--text-main);
    margin-bottom: 12px;
}

.article-title {
    font-size: 2rem;
    color: var(--accent-secondary);
    margin: 10px 0 6px;
}

.article-body {
    margin-top: 16px;
    color: var(--text-main);
    white-space: pre-line;
}

/* ===== Polish & Halaman 404 ===== */
html {
    scroll-behavior: smooth;
}

.error-page {
    text-align: center;
    padding: 80px 20px;
}

.error-page h1 {
    font-size: 5rem;
    color: var(--accent-primary);
    margin-bottom: 8px;
    letter-spacing: 2px;
}

.error-page p {
    color: var(--text-soft);
    margin-bottom: 24px;
    font-size: 1.1rem;
}