/* CSS GLOBAL THEME DARK MODE MEWAH & NEON ACCENT VIA VIANET.ID */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    scroll-behavior: smooth; /* Efek meluncur mulus saat menu diklik */
}
body {
    background-color: #0f172a;
    color: #f8fafc;
    line-height: 1.6;
    padding-bottom: 40px;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* HEADER EFFECT TRANSPARAN GLASSMORPHISM */
header {
    background: rgba(30, 41, 59, 0.7) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
}
.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: #ffffff;
    text-decoration: none;
    letter-spacing: 0.5px;
}
.logo span { color: #38bdf8; }
.nav-links {
    display: flex;
    gap: 25px;
    list-style: none;
    align-items: center;
}
.nav-links a {
    color: #94a3b8;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    transition: color 0.2s;
}
.nav-links a:hover { color: #ffffff; }
.btn-auth-group { display: flex; gap: 10px; }
.btn-masuk {
    background-color: transparent;
    color: #ffffff;
    border: 1px solid #475569;
    padding: 8px 18px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
}
.btn-masuk:hover { background-color: #334155; border-color: #94a3b8; }
.btn-daftar {
    background-color: #38bdf8;
    color: #0f172a;
    padding: 8px 18px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 700;
    text-decoration: none;
    transition: opacity 0.2s;
}
.btn-daftar:hover { opacity: 0.9; }

/* HERO SECTION ATAS (GAMBAR BIRU BULAT DIATAS SUDAH DIBUANG) */
.hero-section {
    text-align: center;
    padding: 80px 0 50px 0;
}
.hero-section h1 {
    font-size: 2.8rem;
    font-weight: 800;
    color: #ffffff;
    line-height: 1.2;
    margin-bottom: 15px;
}
.hero-section h1 span { color: #38bdf8; }
.hero-section p {
    font-size: 1.1rem;
    color: #94a3b8;
    max-width: 720px;
    margin: 0 auto;
}

/* SECTION UTILITY */
.section-title {
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    margin: 50px 0 25px 0;
    color: #ffffff;
    border-left: 4px solid #38bdf8;
    padding-left: 12px;
    text-transform: uppercase;
}

/* CARDS GRID PRODUK */
.grid-produk {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}
.card-produk {
    background-color: #1e293b;
    border: 1px solid #334155;
    border-radius: 10px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.card-produk:hover {
    transform: translateY(-5px);
    border-color: #38bdf8;
    box-shadow: 0 0 15px rgba(56, 189, 248, 0.2);
}

/* BADGE LABEL REKOMENDASI POPULER */
.badge-hot {
    position: absolute;
    top: 15px;
    right: 15px;
    background: linear-gradient(135deg, #ef4444, #f97316);
    color: white;
    font-size: 10px;
    font-weight: bold;
    padding: 4px 8px;
    border-radius: 4px;
    letter-spacing: 0.5px;
}
.produk-header { margin-bottom: 15px; }
.produk-icon { font-size: 2rem; margin-bottom: 10px; display: inline-block; }
.produk-title { font-size: 1.15rem; font-weight: 700; color: #ffffff; margin-bottom: 8px; }
.produk-desc { font-size: 0.88rem; color: #94a3b8; line-height: 1.5; }

/* TOMBOL KLIK DISINI SEJAJAR */
.btn-klik-disini {
    background-color: #0f172a;
    color: #38bdf8;
    border: 1px solid #38bdf8;
    text-align: center;
    padding: 11px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 700;
    text-decoration: none;
    display: block;
    margin-top: auto;
    transition: all 0.2s ease;
}
.btn-klik-disini:hover {
    background-color: #38bdf8;
    color: #0f172a;
    box-shadow: 0 0 12px rgba(56, 189, 248, 0.4);
}
/* GRID ARTIKEL / KEUNGGULAN BERFORMAT BLOG */
.grid-artikel {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 20px;
    margin-bottom: 50px;
}
.card-artikel {
    background-color: #1e293b;
    border: 1px solid #233246;
    border-radius: 8px;
    padding: 24px;
    transition: all 0.2s;
}
.card-artikel:hover { border-color: #10b981; }
.artikel-meta {
    font-size: 11px;
    color: #10b981;
    font-weight: bold;
    text-transform: uppercase;
    margin-bottom: 8px;
}
.artikel-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 10px;
}
.artikel-desc {
    font-size: 0.88rem;
    color: #94a3b8;
    line-height: 1.6;
}

/* GRID TESTIMONI PENGGUNA ASLI */
.grid-testimoni {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}
.card-testimoni {
    background-color: #1e293b;
    border-radius: 8px;
    padding: 24px;
    border: 1px solid #233246;
}
.testi-text { font-size: 0.9rem; color: #cbd5e1; font-style: italic; line-height: 1.6; margin-bottom: 15px; }
.user-profile { display: flex; align-items: center; gap: 12px; }
.avatar-circle { width: 40px; height: 40px; border-radius: 50%; background-color: #334155; color: #38bdf8; display: flex; align-items: center; justify-content: center; font-weight: bold; border: 1px solid #475569; }
.user-info h4 { font-size: 0.9rem; color: #ffffff; font-weight: 700; }
.user-info p { font-size: 0.78rem; color: #64748b; }

/* TOMBOL WHATSAPP FLOATING (MELAYANG) NEON GLOW PULSE EFFECT */
.whatsapp-floating {
    position: fixed;
    bottom: 25px;
    right: 25px;
    background-color: #25d366;
    color: white;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    text-decoration: none;
    box-shadow: 0 0 20px rgba(37, 211, 102, 0.5);
    z-index: 999;
    transition: transform 0.2s;
    animation: neonPulseWa 2s infinite;
}
.whatsapp-floating:hover { transform: scale(1.08); }

@keyframes neonPulseWa {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
    70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* MEDIA QUERIES ATURAN RESPONSIVE SMARTPHONE HP */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 15px;
        text-align: center;
        padding: 15px 0;
    }
    .nav-links {
        flex-direction: column;
        gap: 12px;
        width: 100%;
    }
    .btn-auth-group {
        width: 100%;
        justify-content: center;
        margin-top: 5px;
    }
    .hero-section h1 { font-size: 1.9rem; }
    .hero-section p { font-size: 0.95rem; }
    .whatsapp-floating { bottom: 20px; right: 20px; width: 50px; height: 50px; font-size: 24px; }
}