/* --- BASE DESIGN SYSTEM TOKENS (DARK MODE DEFAULT) --- */
:root {
    --bg-body: #050505;
    --bg-card: rgba(20, 20, 22, 0.6);
    --bg-modal: rgba(10, 10, 12, 0.95);
    --border-glass: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(255, 255, 255, 0.2);
    
    --text-primary: #FFFFFF;
    --text-secondary: #8B8B8D;
    
    --accent-neon: #00FF85;
    --accent-red: #FF3366;
    --accent-yellow: #FFBD2E;
    
    --font-ui: 'Inter', system-ui, sans-serif;
    --font-data: 'JetBrains Mono', monospace;
    
    --gradient-text: linear-gradient(180deg, #FFFFFF 0%, #707070 100%);
}

/* --- LIGHT MODE TOKENS --- */
[data-theme="light"] {
    --bg-body: #F9FAFB;
    --bg-card: rgba(255, 255, 255, 0.7);
    --bg-modal: rgba(255, 255, 255, 0.98);
    --border-glass: rgba(0, 0, 0, 0.08);
    --border-glow: rgba(0, 0, 0, 0.2);
    
    --text-primary: #111827;
    --text-secondary: #6B7280;

    --accent-neon: #059669;
    
    --gradient-text: linear-gradient(180deg, #111827 0%, #6B7280 100%);
}

/* --- GLOBAL RESET --- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

/* SMOOTH SCROLLING FOR ANCHOR LINKS */
html { scroll-behavior: smooth; }

body {
    background-color: var(--bg-body);
    color: var(--text-primary);
    font-family: var(--font-ui);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    transition: background-color 0.4s ease, color 0.4s ease;
    position: relative;
    overflow-x: hidden;
}

.sr-only {
    position: absolute;
    width: 1px; height: 1px; padding: 0;
    margin: -1px; overflow: hidden;
    clip: rect(0, 0, 0, 0); border: 0;
}

/* --- ANIMATED FALLING GRID BACKGROUND --- */
body::before {
    content: "";
    position: fixed;
    top: -50px; left: 0; right: 0; bottom: -50px;
    z-index: -1;
    pointer-events: none;
    background-image: 
        linear-gradient(var(--border-glass) 1px, transparent 1px),
        linear-gradient(90deg, var(--border-glass) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridFall 4s linear infinite;
    animation-play-state: var(--grid-play-state, running);
    transition: opacity 0.4s ease;
}

@keyframes gridFall {
    0% { transform: translate3d(0, 0, 0); } /* Menggunakan 3D transform untuk memanggil GPU secara efisien */
    100% { transform: translate3d(0, 50px, 0); } 
}

.container { max-width: 1000px; margin: 0 auto; padding: 0 5%; width: 100%; }
.text-center { text-align: center; }

/* --- TYPOGRAPHY & BUTTONS --- */
.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 10px 18px; border-radius: 6px; font-size: 14px; font-weight: 500;
    cursor: pointer; text-decoration: none; transition: all 0.2s ease-in-out;
}
.btn-primary { background: var(--text-primary); color: var(--bg-body); border: none; }
.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--text-primary); border: 1px solid var(--border-glass); }
.btn-outline:hover { border-color: var(--border-glow); background: rgba(128,128,128,0.05); }
.btn-large { padding: 14px 28px; font-size: 15px; font-weight: 600; }
.btn.disabled { opacity: 0.5; cursor: not-allowed; pointer-events: none; }

.btn-icon {
    background: transparent; border: 1px solid var(--border-glass);
    color: var(--text-primary); width: 40px; height: 40px;
    border-radius: 6px; display: flex; align-items: center; justify-content: center;
    cursor: pointer; transition: all 0.2s;
}
.btn-icon:hover { border-color: var(--border-glow); background: rgba(128,128,128,0.05); }
.btn-icon svg { 
    width: 18px; 
    height: 18px; 
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.2s ease; 
}
.btn-icon:active svg { transform: scale(0.8); }

/* --- 1. NAVIGATION --- */
.navbar {
    display: flex; justify-content: space-between; align-items: center;
    padding: 12px 12px 12px 24px;
    border: 1px solid var(--border-glass);
    border-radius: 10px;
    background: var(--bg-body);
    background-color: color-mix(in srgb, var(--bg-body) 75%, transparent);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    
    position: sticky; 
    top: 24px; 
    z-index: 100;
    max-width: 1000px; 
    width: 90%; 
    margin: 24px auto 40px auto; 
    
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
    /* BARU: Menambahkan animasi transform untuk efek sembunyi/muncul */
}

/* Penyesuaian bayangan melayang untuk Light Mode */
[data-theme="light"] .navbar {
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

.nav-brand { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.brand-text { font-weight: 700; font-size: 18px; letter-spacing: -0.5px; }
.brand-text span { color: var(--text-secondary); font-weight: 400; }
.status-badge, .sys-status {
    font-family: var(--font-data); font-size: 11px;
    display: flex; align-items: center; gap: 6px; color: var(--accent-neon);
    border: 1px solid var(--border-glass); padding: 4px 10px; border-radius: 100px;
}
.pulse-dot {
    width: 6px; height: 6px; background: var(--accent-neon);
    border-radius: 50%; box-shadow: 0 0 10px var(--accent-neon);
    animation: pulse 2s infinite;
}
.nav-actions { display: flex; gap: 12px; align-items: center; }

/* --- 2. HERO & TERMINAL --- */
.hero { padding: 80px 5% 60px; text-align: center; }
.hero-container { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; align-items: center; }
.hero h1 { font-size: clamp(40px, 6vw, 64px); letter-spacing: -2px; line-height: 1.1; margin-bottom: 20px; transition: color 0.4s ease; }
.hero .subtitle { font-size: clamp(16px, 2vw, 18px); color: var(--text-secondary); margin-bottom: 48px; }

.terminal {
    background: var(--bg-body); border: 1px solid var(--border-glass);
    border-radius: 12px; width: 100%; max-width: 500px; text-align: left;
    box-shadow: 0 24px 48px rgba(0,0,0,0.1);
    transition: all 0.4s ease;
    display: flex; flex-direction: column;
}
[data-theme="dark"] .terminal { box-shadow: 0 24px 48px rgba(0,0,0,0.6); background: rgba(10, 10, 12, 0.9); }
[data-theme="light"] .terminal { background: #FFFFFF; }

.terminal-header {
    padding: 12px 16px; border-bottom: 1px solid var(--border-glass);
    display: flex; align-items: center; background: rgba(128,128,128,0.05);
}
.mac-dots { display: flex; gap: 6px; }
.mac-dots i { width: 10px; height: 10px; border-radius: 50%; }
.mac-dots i.red { background: var(--accent-red); }
.mac-dots i.yellow { background: var(--accent-yellow); }
.mac-dots i.green { background: var(--accent-neon); }

.terminal-title { flex-grow: 1; text-align: center; font-family: var(--font-data); font-size: 11px; color: var(--text-secondary); }

/* FORMATTING VS CODE STYLE */
.terminal-body { 
    padding: 20px; 
    font-family: var(--font-data); 
    font-size: 13px; 
    overflow-x: hidden;
    line-height: 1.5; 
}
.terminal-body pre { margin: 0; }

.line { 
    display: block; 
    word-break: break-all;
    white-space: pre-wrap;
    margin-bottom: 2px;
}
.line.indent { 
    padding-left: 24px;
}

.tag { color: var(--accent-red); } .attr { color: #0070F3; } .string { color: #00A67D; }
[data-theme="dark"] .attr { color: #79C0FF; } [data-theme="dark"] .string { color: #A5D6FF; }

/* WIDGET TERMINAL ACTIONS */
.terminal-actions {
    display: flex; gap: 8px; justify-content: flex-end;
    padding: 12px 20px; border-top: 1px solid var(--border-glass);
    background: rgba(128, 128, 128, 0.02);
}
.btn-terminal {
    font-family: var(--font-ui); font-size: 12px; font-weight: 500;
    padding: 6px 12px; border-radius: 6px; cursor: pointer;
    display: inline-flex; align-items: center; gap: 6px;
    transition: all 0.2s ease; text-decoration: none;
}
.btn-terminal-outline {
    background: transparent; color: var(--text-secondary); border: 1px solid var(--border-glass);
}
.btn-terminal-outline:hover { color: var(--text-primary); border-color: var(--border-glow); }
.btn-terminal-solid {
    background: var(--text-primary); color: var(--bg-body); border: 1px solid var(--text-primary);
}
.btn-terminal-solid:hover { opacity: 0.9; }

/* --- 3. ECOSYSTEM --- */
.ecosystem { text-align: center; padding: 40px 5%; margin-bottom: 60px; }
.section-label { font-family: var(--font-data); font-size: 11px; letter-spacing: 2px; color: var(--text-secondary); margin-bottom: 24px; }
.logo-row { display: flex; justify-content: center; gap: clamp(20px, 4vw, 40px); flex-wrap: wrap; opacity: 0.6; font-weight: 600; font-size: 18px; }

/* --- 4. SECTION TITLES --- */
.section-title {
    font-family: var(--font-data); font-size: 12px; text-transform: uppercase;
    letter-spacing: 2px; color: var(--text-secondary); margin-bottom: 40px;
    display: flex; align-items: center; gap: 10px; width: 100%;
}
.section-title::after { content: ""; height: 1px; flex-grow: 1; background: var(--border-glass); }

/* --- 5. DX SECTION --- */
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 32px; margin-bottom: 80px; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 32px; margin-bottom: 80px; }
.dx-number { font-family: var(--font-data); color: var(--border-glow); font-size: 24px; display: block; margin-bottom: 12px; transition: color 0.4s ease; }
.dx-card h3 { font-size: 18px; margin-bottom: 8px; }
.dx-card p { font-size: 14px; color: var(--text-secondary); }

/* --- 6. WIDGET DIRECTORY (CARDS + GLOW) --- */
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; margin-bottom: 80px; }
#components {
    scroll-margin-top: 150px; /* Menambahkan jarak offset agar tidak tertutup sticky navbar */
}

.widget-card {
    background: var(--bg-card); border: 1px solid var(--border-glass);
    border-radius: 12px; padding: 32px; backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    position: relative; overflow: hidden; display: flex; flex-direction: column;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s ease, background-color 0.4s ease, border-color 0.4s ease;
}
.widget-card.dimmed { opacity: 0.5; border-style: dashed; }
.card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.widget-name { font-size: 22px; }
.version-badge { font-family: var(--font-data); font-size: 11px; color: var(--text-secondary); background: rgba(128,128,128,0.05); padding: 4px 8px; border-radius: 4px; border: 1px solid var(--border-glass); }
.widget-desc { color: var(--text-secondary); font-size: 14px; margin-bottom: 32px; flex-grow: 1; }
.card-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.card-actions .btn { flex: 1; min-width: 120px; }

/* Hardware Accelerated Glow Tracking Magic */
.glow-card::before {
    content: ""; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(400px circle at var(--mouse-x, 0) var(--mouse-y, 0), var(--border-glass), transparent 40%);
    z-index: 0; opacity: 0; transition: opacity 0.3s ease; pointer-events: none;
    will-change: background;
}
.glow-card:hover { border-color: var(--border-glow); transform: translateY(-4px); box-shadow: 0 12px 30px rgba(0,0,0,0.1); }
[data-theme="dark"] .glow-card:hover { box-shadow: 0 12px 30px rgba(0,0,0,0.5); }
.glow-card:hover::before { opacity: 1; }
.glow-card > * { position: relative; z-index: 1; }

/* --- 7. DONATION --- */
.donation-cta { background: color-mix(in srgb, var(--border-glass) 10%, transparent); border-top: 1px solid var(--border-glass); border-bottom: 1px solid var(--border-glass); padding: 80px 5%; margin-bottom: 60px; transition: background-color 0.4s ease, border-color 0.4s ease; }
.donation-cta p { color: var(--text-secondary); max-width: 600px; margin: 16px auto 32px; }

/* --- 8. FOOTER --- */
.footer { background: var(--bg-body); padding: 60px 0 30px; border-top: 1px solid var(--border-glass); transition: background-color 0.4s ease, border-color 0.4s ease; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand p { color: var(--text-secondary); font-size: 13px; margin-top: 12px; max-width: 250px; }
.footer-links h4 { font-size: 14px; margin-bottom: 12px; }
.footer-links a { display: block; color: var(--text-secondary); text-decoration: none; font-size: 14px; margin-bottom: 8px; transition: color 0.2s; }
.footer-links a:hover { color: var(--text-primary); }
.footer-bottom { border-top: 1px solid var(--border-glass); padding-top: 24px; display: flex; justify-content: space-between; font-size: 12px; color: var(--text-secondary); flex-wrap: wrap; gap: 16px; transition: border-color 0.4s ease; }

/* --- MODALS --- */
.modal-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.7); backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex; justify-content: center; align-items: center;
    z-index: 1000; opacity: 0; visibility: hidden; transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.modal-overlay.active { opacity: 1; visibility: visible; }
.modal-content {
    background: var(--bg-modal); border: 1px solid var(--border-glass);
    border-radius: 24px; width: 90%; max-width: 600px; padding: 20px;
    transform: translateY(20px) scale(0.95); transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 24px 48px rgba(0,0,0,0.2);
}
[data-theme="dark"] .modal-content { box-shadow: 0 24px 48px rgba(0,0,0,0.8); }
.modal-overlay.active .modal-content { transform: translateY(0) scale(1); }
.modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; font-family: var(--font-data); }
.close-btn { background: none; border: none; color: var(--text-secondary); font-size: 24px; cursor: pointer; transition: color 0.2s; }
.close-btn:hover { color: var(--text-primary); }

/* --- UTILS --- */
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

/* Scroll Reveal Base Classes */
.reveal { opacity: 0; transform: translateY(30px); transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1); }
.reveal:not(.active) { will-change: transform, opacity; }
.reveal.active { opacity: 1; transform: translateY(0); }

/* --- MEDIA QUERIES --- */
@media (max-width: 768px) {
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    
    /* PENYESUAIAN NAVBAR MOBILE: Ramping & Full Width */
    .navbar { 
        flex-wrap: wrap; 
        gap: 12px; 
        padding: 12px 5%; /* Padding dikurangi drastis agar tipis */
        border-radius: 10px; /* Bukan kapsul lagi, menempel atap */
        top: 16px;
        margin: 16px auto 32px auto;
        width: 92%;
        max-width: 92%;
        border-left: none;
        border-right: none;
        border-top: none;
    }
    
    .nav-brand { flex: 1; }
    .nav-actions { width: 100%; justify-content: space-between; }
    
    /* Tombol diperkecil sedikit agar tidak memakan tinggi navbar */
    .btn-donate { flex-grow: 1; padding: 8px 16px; font-size: 13px; }
    .btn-icon { width: 36px; height: 36px; }

    .navbar.nav-hidden {
        transform: translateY(-150%) !important;
    }

    .grid-3 {
        grid-template-columns: 1fr; /* Satu kolom saja agar teks tidak terjepit */
        gap: 20px;
        margin-bottom: 40px;
    }

    .dx-card {
        padding: 20px;
        background: var(--bg-card);
        border: 1px solid var(--border-glass);
        border-radius: 12px;
        text-align: left;
    }

    .dx-number {
        font-size: 20px;
        margin-bottom: 8px;
    }

    /* --- SECTION TITLES KHUSUS MOBILE (Rata Tengah) --- */
    .section-title {
        justify-content: center; /* Mendorong teks ke tengah */
        gap: 16px;
    }
    
    /* Menambahkan garis ekstra di sebelah kiri khusus untuk mobile */
    .section-title::before { 
        content: ""; 
        height: 1px; 
        flex-grow: 1; 
        background: var(--border-glass); 
    }

    /* --- RAPIHKAN FOOTER --- */
    .footer {
        padding: 40px 0 20px;
        text-align: center; /* Rata tengah untuk estetika mobile */
    }

    .footer-grid {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 32px;
    }

    .footer-brand {
        max-width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .footer-brand p {
        margin: 12px auto 0;
        max-width: 280px;
    }

    .footer-links {
        width: 100%;
    }

    .footer-links h4 {
        margin-bottom: 16px;
        font-size: 16px;
    }

    .footer-links a {
        padding: 0px 0; /* Area klik lebih besar untuk jari */
        font-size: 15px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        align-items: center;
        margin-top: 40px;
    }

    /* Memastikan status operasional tetap rapi di bawah copyrigth */
    .sys-status {
        width: fit-content;
    }
}
/* ── Accessibility: Respect reduced-motion preference ─────────────
   Users who set "reduce motion" in OS accessibility settings
   should not see animations — they can cause discomfort or seizures. */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1 !important; transform: none !important; }
  .glow-card::before { display: none; }
}