:root {
    /* --- COLOR PALETTE: ONYX & SILVER PROFESSIONAL --- */
    --bg-deep: #030303;      /* Ultra Black */
    --bg-surface: #0e0e0e;   /* Soft Black */
    --primary: #ffffff;      /* Pure White */
    --primary-dim: #a1a1a1;  /* Silver */
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.3);
    --glow: rgba(255, 255, 255, 0.03);
    
    /* --- UTILS --- */
    --radius-md: 12px;
    --radius-lg: 16px;
    --font-main: 'Plus Jakarta Sans', sans-serif;
    --font-display: 'Space Grotesk', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font-main);
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    background-color: var(--bg-deep);
    color: var(--primary);
    overflow-x: hidden;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
}

.ambient-glow {
    position: fixed;
    width: 100vw;
    height: 100vh;
    top: 0;
    left: 0;
    background: radial-gradient(circle at 50% 0%, rgba(255,255,255,0.03), transparent 70%);
    z-index: -1;
    pointer-events: none;
}

/* --- LAYOUT & SIDEBAR --- */
.container { display: flex; min-height: 100vh; }

.sidebar {
    width: 280px;
    background: rgba(5, 5, 5, 0.85);
    border-right: 1px solid var(--border-color);
    padding: 2rem;
    position: fixed;
    height: 100vh;
    z-index: 1000;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    flex-direction: column;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.brand-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
}

.brand {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    color: white;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.brand i { background: white; color: black; padding: 6px; border-radius: 6px; font-size: 1rem; }

.nav-links { list-style: none; flex-grow: 1; }
.nav-links li { margin-bottom: 0.5rem; }
.nav-links a {
    color: var(--primary-dim); text-decoration: none; font-weight: 500;
    display: flex; align-items: center; gap: 14px; padding: 14px;
    border-radius: var(--radius-md); transition: all 0.3s ease;
    border: 1px solid transparent; font-size: 0.95rem;
}
.nav-links a i { width: 20px; text-align: center; transition: 0.3s; }
.nav-links a:hover, .nav-links a.active {
    background: rgba(255, 255, 255, 0.08); color: white;
    border-color: var(--border-color); transform: translateX(5px);
}
.nav-links a:hover i, .nav-links a.active i { transform: scale(1.2); }

.dev-info { padding-top: 1.5rem; border-top: 1px solid var(--border-color); font-size: 0.75rem; color: #666; }
.dev-info h4 { color: #ddd; margin-top: 4px; font-weight: 600; }

/* --- MAIN CONTENT --- */
.main-content { margin-left: 280px; flex-grow: 1; width: calc(100% - 280px); display: flex; flex-direction: column; }
.content-wrapper { padding: 2.5rem 3rem; flex: 1; }

header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 3rem; flex-wrap: wrap; gap: 2rem; }
.header-title h1 {
    font-family: var(--font-display); font-size: 2.8rem; font-weight: 700; letter-spacing: -1px;
    background: linear-gradient(to right, #fff, #888); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}

.search-box { position: relative; min-width: 320px; }
.search-box input {
    width: 100%; padding: 14px 20px 14px 48px; background: rgba(255,255,255,0.03);
    border: 1px solid var(--border-color); border-radius: 50px; color: white; outline: none; transition: 0.3s; font-size: 0.95rem;
}
.search-box input:focus { background: rgba(255,255,255,0.07); border-color: rgba(255,255,255,0.4); box-shadow: 0 0 20px rgba(255,255,255,0.05); }
.search-box i { position: absolute; left: 18px; top: 50%; transform: translateY(-50%); color: #666; }

/* --- MARQUEE --- */
.marquee-container {
    width: 100%; overflow: hidden; margin-bottom: 4rem; padding: 1.5rem 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.02), transparent);
    border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color);
    position: relative; mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}
.marquee-content { display: flex; gap: 6rem; animation: scrollLeft 30s linear infinite; width: max-content; }
.sponsor-item {
    display: flex; align-items: center; gap: 12px; color: #555; font-family: var(--font-display);
    font-size: 1rem; font-weight: 700; text-transform: uppercase; letter-spacing: 2px; transition: 0.4s; cursor: default;
}
.sponsor-item:hover { color: #fff; text-shadow: 0 0 15px rgba(255,255,255,0.6); transform: scale(1.05); }
.sponsor-item i { font-size: 1.4rem; }

/* --- FILTERS --- */
.filters { display: flex; gap: 12px; margin-bottom: 2.5rem; overflow-x: auto; padding-bottom: 5px; scrollbar-width: none; }
.filter-btn {
    background: rgba(255,255,255,0.03); border: 1px solid var(--border-color); color: var(--primary-dim);
    padding: 10px 24px; border-radius: 50px; cursor: pointer; transition: all 0.3s; white-space: nowrap; font-weight: 600; font-size: 0.9rem;
    display: flex; align-items: center; gap: 8px;
}
.filter-btn:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.3); color: white; transform: translateY(-2px); }
.filter-btn.active { background: white; color: black; border-color: white; box-shadow: 0 0 25px rgba(255,255,255,0.2); }

/* --- GRID CARDS --- */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 2rem; }
.card {
    background: linear-gradient(145deg, #0e0e0e, #090909); border: 1px solid var(--border-color);
    border-radius: var(--radius-lg); padding: 1.8rem; position: relative; overflow: hidden;
    display: flex; flex-direction: column; justify-content: space-between; min-height: 240px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); box-shadow: 0 4px 20px rgba(0,0,0,0.5);
}
.card:hover { transform: translateY(-8px) scale(1.01); border-color: rgba(255,255,255,0.3); background: #121212; }
.card::after {
    content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: radial-gradient(circle at top right, rgba(255,255,255,0.05), transparent 60%); opacity: 0; transition: 0.4s; pointer-events: none;
}
.card:hover::after { opacity: 1; }

.card-badge { position: absolute; top: 20px; right: 20px; font-size: 0.65rem; font-weight: 800; padding: 6px 10px; border-radius: 6px; letter-spacing: 1px; z-index: 2; }
.badge-vip { background: white; color: black; box-shadow: 0 0 15px rgba(255,255,255,0.3); }
.badge-hot { background: rgba(239, 68, 68, 0.15); color: #f87171; border: 1px solid rgba(239, 68, 68, 0.3); }
.badge-new { background: rgba(34, 197, 94, 0.15); color: #4ade80; border: 1px solid rgba(34, 197, 94, 0.3); }
.badge-std { background: rgba(255,255,255,0.05); color: #888; border: 1px solid var(--border-color); }

.card-icon { width: 50px; height: 50px; background: rgba(255,255,255,0.03); border: 1px solid var(--border-color); border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: 1.2rem; font-size: 1.5rem; color: white; transition: 0.4s; }
.card:hover .card-icon { background: white; color: black; transform: rotateY(180deg); }

.card h3 { font-size: 1.35rem; margin-bottom: 0.6rem; color: white; font-weight: 700; }
.card p { color: #888; font-size: 0.9rem; margin-bottom: 2rem; line-height: 1.6; }

.card-footer { margin-top: auto; display: flex; align-items: center; gap: 10px; position: relative; z-index: 10; }
.download-btn {
    flex: 1; display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 12px;
    background: transparent; border: 1px solid var(--border-color); color: white; text-decoration: none;
    border-radius: 8px; font-weight: 600; font-size: 0.9rem; transition: 0.3s; position: relative; overflow: hidden; cursor: pointer;
}
.download-btn:hover { border-color: white; background: rgba(255,255,255,0.05); }

/* --- FOOTER --- */
footer {
    margin-top: 6rem;
    background: #080808; 
    border-top: 1px solid var(--border-color);
    padding: 4rem 3rem 2rem 3rem;
    color: #a1a1a1;
}

.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 4rem; margin-bottom: 3rem; }

.footer-brand h2 {
    font-family: var(--font-display); color: white; font-size: 1.6rem; margin-bottom: 1.5rem; display: flex; align-items: center; gap: 12px;
}
.footer-brand p { line-height: 1.7; font-size: 0.95rem; max-width: 350px; color: #888; }
.footer-col h3 { color: white; font-size: 1.1rem; margin-bottom: 1.5rem; font-weight: 600; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 12px; font-size: 0.95rem; color: #777; transition: 0.3s; cursor: pointer; }
.footer-links li:hover { color: white; transform: translateX(5px); }

.connect-link {
    display: flex; align-items: center; gap: 10px; color: #a1a1a1; text-decoration: none; margin-bottom: 12px; font-size: 0.95rem; transition: 0.3s;
}
.connect-link:hover { color: white; }
.connect-link.wa:hover { color: #25d366; }
.connect-link.donate:hover { color: #f59e0b; }

.footer-bottom {
    border-top: 1px solid var(--border-color); padding-top: 2rem; display: flex; flex-direction: column; gap: 15px; font-size: 0.85rem; color: #666;
}

/* --- FAB --- */
.fab-wrapper { position: fixed; bottom: 30px; right: 30px; z-index: 2000; display: flex; flex-direction: column; align-items: flex-end; }
.fab-trigger {
    width: 60px; height: 60px; background: rgba(20, 20, 20, 0.8); backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.2); border-radius: 50%; display: flex; align-items: center; justify-content: center;
    cursor: pointer; box-shadow: 0 8px 30px rgba(0,0,0,0.6); transition: all 0.3s; position: relative;
}
.fab-trigger i { font-size: 1.8rem; transition: 0.4s; position: absolute; }
.fab-trigger .main-icon { color: #25d366; opacity: 1; transform: rotate(0deg); }
.fab-trigger .close-icon { color: white; opacity: 0; transform: rotate(-90deg); font-size: 1.4rem; }

.fab-trigger:hover { transform: scale(1.1); background: #25d366; border-color: #25d366; box-shadow: 0 0 30px rgba(37, 211, 102, 0.4); }
.fab-trigger:hover .main-icon { color: white; }

.fab-wrapper.active .fab-trigger { background: white; border-color: white; transform: rotate(180deg); }
.fab-wrapper.active .fab-trigger .main-icon { opacity: 0; }
.fab-wrapper.active .fab-trigger .close-icon { opacity: 1; transform: rotate(0deg); color: black; }

.fab-options { display: flex; flex-direction: column-reverse; gap: 12px; margin-bottom: 15px; pointer-events: none; }
.fab-opt {
    display: flex; align-items: center; gap: 12px; background: rgba(15, 15, 15, 0.9); padding: 10px 16px;
    border-radius: 12px; border: 1px solid rgba(255,255,255,0.1); text-decoration: none; opacity: 0;
    transform: translateY(20px) scale(0.9); transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 5px 15px rgba(0,0,0,0.5); backdrop-filter: blur(10px);
}
.fab-wrapper.active .fab-options { pointer-events: auto; }
.fab-wrapper.active .fab-opt:nth-child(1) { opacity: 1; transform: translateY(0) scale(1); transition-delay: 0.05s; }
.fab-wrapper.active .fab-opt:nth-child(2) { opacity: 1; transform: translateY(0) scale(1); transition-delay: 0.1s; }

.fab-opt span { color: white; font-size: 0.9rem; font-weight: 600; white-space: nowrap; }
.fab-opt-icon { width: 32px; height: 32px; background: rgba(255,255,255,0.1); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--primary-dim); }
.fab-opt:hover { background: #25d366; border-color: #25d366; transform: translateX(-5px); }
.fab-opt:hover span { color: white; }
.fab-opt:hover .fab-opt-icon { background: white; color: #25d366; }

/* --- MOBILE --- */
.close-sidebar-btn, .menu-toggle { cursor: pointer; font-size: 1.2rem; color: white; transition: 0.3s; }
.menu-toggle { display: none; padding: 8px; border: 1px solid var(--border-color); border-radius: 8px; }
.close-sidebar-btn { display: none; }

@keyframes scrollLeft { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

@media (max-width: 992px) {
    .content-wrapper { padding: 2rem; }
    .footer-grid { grid-template-columns: 1fr; gap: 2.5rem; }
}

@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); width: 100%; background: #000; }
    .sidebar.active { transform: translateX(0); }
    .close-sidebar-btn { display: block; position: absolute; top: 30px; right: 30px; font-size: 1.5rem; }
    .main-content { margin-left: 0; width: 100%; }
    .menu-toggle { display: block; }
    .grid { grid-template-columns: 1fr; }
    .fab-wrapper { bottom: 20px; right: 20px; }
    footer { padding: 3rem 2rem 2rem 2rem; }
}