:root {
    --slate-900: #0f172a;
    --slate-800: #1e293b;
    --slate-700: #334155;
    --slate-200: #e2e8f0;
    --slate-100: #f1f5f9;
    --white: #ffffff;
    --blue: #2563eb;
    --emerald: #059669;
    --amber: #d97706;
    --pink: #db2777;
    --red: #dc2626;
    --radius: 12px;
}
* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    background: var(--slate-100);
    color: var(--slate-900);
}
a { color: inherit; }

/* ---- Navbar ---- */
.site-navbar {
    display: flex; align-items: center; justify-content: space-between;
    padding: .85rem 2rem; background: var(--white); border-bottom: 1px solid var(--slate-200);
    position: sticky; top: 0; z-index: 40;
}
/* renderSiteNav() isi brand+links ke dalam div#siteNav — display:contents biar dia gak jadi flex-item
   sendiri (yang bikin brand & links numpuk ke bawah), dan langsung ngewarisin flex row dari .site-navbar. */
.site-navbar > div { display: contents; }
.site-brand { display: flex; align-items: center; gap: .6rem; text-decoration: none; font-weight: 800; font-size: 1.15rem; color: var(--slate-900); }
.site-brand img { height: 34px; width: 34px; object-fit: contain; border-radius: 8px; }
.site-nav-links { display: flex; align-items: center; gap: .5rem; }
.site-nav-links a.nav-link, .site-nav-links button.nav-link {
    padding: .55rem .9rem; border-radius: 8px; text-decoration: none; font-size: .9rem; font-weight: 600;
    color: var(--slate-700); background: none; border: none; cursor: pointer; font-family: inherit;
}
.site-nav-links a.nav-link:hover, .site-nav-links button.nav-link:hover { background: var(--slate-100); color: var(--slate-900); }
.site-nav-links a.btn-outline { border: 1px solid var(--slate-200); }
.site-nav-links a.btn-solid { background: var(--slate-900); color: var(--white); }
.site-nav-links a.btn-solid:hover { background: var(--blue); color: var(--white); }

.nav-dropdown { position: relative; }
.nav-dropdown-menu {
    position: absolute; top: calc(100% + 6px); right: 0; background: var(--white);
    border: 1px solid var(--slate-200); border-radius: 10px; box-shadow: 0 12px 30px rgba(0,0,0,.12);
    min-width: 220px; padding: .4rem; display: none; z-index: 50;
}
.nav-dropdown.open .nav-dropdown-menu { display: block; }
.nav-dropdown-menu a {
    display: block; padding: .6rem .75rem; border-radius: 8px; text-decoration: none;
    font-size: .88rem; color: var(--slate-900); font-weight: 500;
}
.nav-dropdown-menu a:hover { background: var(--slate-100); }
.nav-dropdown-menu .divider { height: 1px; background: var(--slate-200); margin: .3rem 0; }

@media (max-width: 720px) {
    .site-navbar { padding: .75rem 1rem; flex-wrap: wrap; gap: .5rem; }
    .site-nav-links { flex-wrap: wrap; }
}

/* ---- Hero ---- */
.hero {
    text-align: center; padding: 5rem 1.5rem 4rem; background: linear-gradient(180deg, var(--white), var(--slate-100));
}
.hero h1 { font-size: 2.6rem; margin: 0 0 1rem; line-height: 1.15; }
.hero h1 span { color: var(--blue); }
.hero p.lead { font-size: 1.1rem; color: var(--slate-700); max-width: 620px; margin: 0 auto 2rem; }
.hero-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.hero-actions a {
    padding: .85rem 1.75rem; border-radius: 10px; text-decoration: none; font-weight: 700; font-size: 1rem;
}
.hero-actions a.primary { background: var(--slate-900); color: var(--white); }
.hero-actions a.primary:hover { background: var(--blue); }
.hero-actions a.secondary { background: var(--white); color: var(--slate-900); border: 1px solid var(--slate-200); }
.hero-actions a.secondary:hover { border-color: var(--slate-700); }

/* ---- Features ---- */
.features { max-width: 1080px; margin: 0 auto; padding: 3rem 1.5rem 5rem; }
.features h2 { text-align: center; font-size: 1.75rem; margin-bottom: 2.5rem; }
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.5rem; }
.feature-card {
    background: var(--white); border: 1px solid var(--slate-200); border-radius: var(--radius);
    padding: 1.5rem; box-shadow: 0 1px 3px rgba(0,0,0,.05);
}
.feature-card .icon {
    width: 44px; height: 44px; border-radius: 10px; display: flex; align-items: center; justify-content: center;
    margin-bottom: 1rem; font-size: 1.3rem;
}
.feature-card .icon.blue { background: #dbeafe; color: var(--blue); }
.feature-card .icon.emerald { background: #d1fae5; color: var(--emerald); }
.feature-card .icon.amber { background: #fef3c7; color: var(--amber); }
.feature-card .icon.pink { background: #fce7f3; color: var(--pink); }
.feature-card h3 { margin: 0 0 .5rem; font-size: 1.05rem; }
.feature-card p { margin: 0; font-size: .88rem; color: var(--slate-700); line-height: 1.5; }

/* ---- How it works ---- */
.how-it-works { background: var(--white); padding: 4rem 1.5rem; border-top: 1px solid var(--slate-200); }
.how-it-works h2 { text-align: center; font-size: 1.75rem; margin: 0 0 2.5rem; }
.steps { max-width: 900px; margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 2rem; }
.step { text-align: center; }
.step .num {
    width: 36px; height: 36px; border-radius: 50%; background: var(--slate-900); color: var(--white);
    display: flex; align-items: center; justify-content: center; font-weight: 700; margin: 0 auto .75rem;
}
.step h4 { margin: 0 0 .4rem; font-size: .95rem; }
.step p { margin: 0; font-size: .82rem; color: var(--slate-700); }

/* ---- Footer ---- */
.site-footer { text-align: center; padding: 2rem 1rem; color: var(--slate-700); font-size: .82rem; }

/* ---- Simple content pages (dashboard-style shell) ---- */
.page-shell { max-width: 900px; margin: 0 auto; padding: 2rem 1.5rem 4rem; }
.page-shell h1 { font-size: 1.5rem; margin-bottom: .3rem; }
.page-shell .subtitle { color: var(--slate-700); font-size: .9rem; margin-bottom: 1.75rem; }
.card { background: var(--white); border: 1px solid var(--slate-200); border-radius: var(--radius); padding: 1.5rem; }
.ad-slot:empty { display: none; }
.ad-slot { margin-top: 1.25rem; text-align: center; overflow: hidden; }

/* ---- User app shell (sidebar sticky, collapsible, off-canvas di mobile) ---- */
.app-shell { display: flex; align-items: flex-start; min-height: 100vh; }
.user-sidebar {
    width: 240px; flex-shrink: 0; background: var(--slate-900); color: var(--white);
    position: sticky; top: 0; height: 100vh; height: 100dvh; overflow-y: auto; overflow-x: hidden;
    display: flex; flex-direction: column; transition: width .2s ease, transform .2s ease;
    z-index: 30;
}
.user-sidebar.collapsed { width: 68px; }
.user-sidebar.collapsed .label { display: none; }
.user-sidebar.collapsed .sidebar-brand { flex-direction: column; gap: .5rem; padding: 1rem .5rem; }
.user-sidebar.collapsed .sidebar-collapse-btn { margin-left: 0; transform: rotate(180deg); }
.user-sidebar.collapsed .sidebar-nav a { justify-content: center; }
.user-sidebar.collapsed .sidebar-footer button { justify-content: center; }

.sidebar-brand { display: flex; align-items: center; gap: .6rem; padding: 1.1rem 1rem; border-bottom: 1px solid var(--slate-700); white-space: nowrap; }
.sidebar-brand img { height: 32px; width: 32px; border-radius: 8px; object-fit: contain; flex-shrink: 0; }
.sidebar-brand span.label { font-weight: 800; font-size: 1.05rem; }
.sidebar-collapse-btn {
    margin-left: auto; background: none; border: none; color: var(--slate-200); cursor: pointer;
    padding: .25rem; border-radius: 6px; flex-shrink: 0; display: flex; transition: transform .2s ease, background .15s ease;
}
.sidebar-collapse-btn:hover { background: var(--slate-800); color: var(--white); }

.sidebar-nav { flex: 1; padding: .75rem 0; }
.sidebar-nav a {
    display: flex; align-items: center; gap: .75rem; padding: .68rem 1.1rem; color: var(--slate-200);
    text-decoration: none; font-size: .88rem; font-weight: 500; border-left: 3px solid transparent; white-space: nowrap;
}
.sidebar-nav a .icon { flex-shrink: 0; display: flex; }
.sidebar-nav a:hover { background: var(--slate-800); color: var(--white); }
.sidebar-nav a.active { background: var(--slate-800); border-left-color: var(--blue); color: var(--white); font-weight: 700; }

.sidebar-footer { border-top: 1px solid var(--slate-700); padding: 1rem; }
.sidebar-user { font-size: .78rem; color: var(--slate-200); margin-bottom: .6rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar-footer button {
    width: 100%; display: flex; align-items: center; gap: .5rem; padding: .5rem; background: transparent;
    border: 1px solid var(--slate-700); color: var(--slate-200); border-radius: 6px; cursor: pointer; font-family: inherit; font-size: .85rem;
}
.sidebar-footer button:hover { background: var(--red); border-color: var(--red); color: var(--white); }

.sidebar-backdrop { display: none; position: fixed; inset: 0; background: rgba(15,23,42,.5); z-index: 25; }
.sidebar-backdrop.show { display: block; }

.app-main-wrap { flex: 1; min-width: 0; }
.mobile-topbar { display: none; }
.user-main { padding: 2rem; max-width: 960px; margin: 0 auto; }
.user-main h1 { font-size: 1.5rem; margin-bottom: .3rem; }
.user-main .subtitle { color: var(--slate-700); font-size: .9rem; margin-bottom: 1.75rem; }

@media (max-width: 880px) {
    .user-sidebar { position: fixed; left: 0; top: 0; height: 100vh; height: 100dvh; transform: translateX(-100%); width: 240px; }
    .user-sidebar.collapsed { width: 240px; }
    .user-sidebar.collapsed .label { display: inline; }
    .user-sidebar.collapsed .sidebar-brand { flex-direction: row; padding: 1.1rem 1rem; }
    .user-sidebar.collapsed .sidebar-collapse-btn { margin-left: auto; transform: none; }
    .user-sidebar.collapsed .sidebar-nav a { justify-content: flex-start; }
    .user-sidebar.collapsed .sidebar-footer button { justify-content: flex-start; }
    .user-sidebar.mobile-open { transform: translateX(0); }
    .mobile-topbar {
        display: flex; align-items: center; gap: .85rem; padding: .8rem 1rem; background: var(--white);
        border-bottom: 1px solid var(--slate-200); position: sticky; top: 0; z-index: 20;
    }
    .mobile-topbar button { background: none; border: none; cursor: pointer; color: var(--slate-900); padding: .3rem; }
    .user-main { padding: 1.25rem; }
}