/* ==========================================================================
   1. CORE VARIABLES & DEFAULT STYLES (MODERN CLASSIC ELEGANCE)
   ========================================================================== */
:root {
    --bg-classic-dark: #0a0d14;    /* Hitam arang pekat elegan (Deep Charcoal Velvet) */
    --champagne-gold: #dfb26c;     /* Emas sampanye hangat premium untuk aksen utama */
    --gold-glow: rgba(223, 178, 108, 0.25);
    --warm-ivory: #f7f5f0;         /* Putih gading hangat eksklusif untuk teks terang */
    --card-onyx: rgba(15, 20, 32, 0.7); /* Transparansi onyx premium untuk efek kaca */
    --slate-muted: #94a3b8;        /* Abu-abu satin untuk sub-informasi */
}

/* Mengunci html dan body agar tidak ada elemen yang bocor ke kanan */
html, body {
    max-width: 480px;              /* Membatasi lebar maksimal halaman (standar layar HP) */
    margin: 0 auto;                /* Membuat body otomatis berada di tengah layar PC/Monitor */
    background-color: var(--bg-classic-dark); 
    overflow-x: hidden;            /* KUNCI UTAMA: Menghilangkan scroll ke kanan */
    position: relative;
}

body { 
    font-family: 'Plus Jakarta Sans', sans-serif; 
    color: #e2e8f0;                /* Warna teks utama perak kebiruan lembut */
    min-height: 100vh;             /* Memastikan background memenuhi tinggi layar */
    box-shadow: 0 0 60px rgba(223, 178, 108, 0.08); /* Aura pendaran emas di sisi frame pada layar PC */
}

.font-serif { 
    font-family: 'Playfair Display', serif; 
    letter-spacing: -0.01em;
}

.font-cinzel { 
    font-family: 'Cinzel', serif; 
    letter-spacing: 0.25em;
}

/* Custom Scrollbar Bertema Aristokrat Modern */
::-webkit-scrollbar,
.custom-scrollbar::-webkit-scrollbar { 
    width: 4px; 
}

::-webkit-scrollbar-track,
.custom-scrollbar::-webkit-scrollbar-track { 
    background: var(--bg-classic-dark); 
}

::-webkit-scrollbar-thumb,
.custom-scrollbar::-webkit-scrollbar-thumb { 
    background: var(--champagne-gold); 
    border-radius: 10px; 
}

/* ==========================================================================
   2. MODERN CLASSIC ELEMENTS & LAYOUTS
   ========================================================================== */
.hero-bg { 
    height: 100vh; 
    position: relative; 
    overflow: hidden; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
}

#parallax-bg {
    position: absolute; 
    top: -10%; 
    left: -10%; 
    width: 120%; 
    height: 120%;
    background-size: cover; 
    background-position: center; 
    z-index: -1;
    filter: brightness(0.95);
}

/* Luxury Gold Dust Engine (Menggantikan Gelembung Udara/Bintang Kasar) */
#star-container { 
    position: fixed; 
    inset: 0; 
    pointer-events: none; 
    z-index: 50; 
}

/* Kelas .star ditransformasikan menjadi partikel debu emas mengambang lembut */
.star { 
    position: absolute; 
    background: radial-gradient(circle, rgba(223,178,108,0.8) 0%, rgba(223,178,108,0) 70%);
    border-radius: 50%; 
    animation: floating-dust var(--duration) ease-in-out infinite; 
    box-shadow: 0 0 8px var(--gold-glow);
}

@keyframes floating-dust { 
    0% { 
        transform: translateY(105vh) scale(0.4) translateX(0);
        opacity: 0;
    } 
    20% {
        opacity: 0.6;
    }
    80% {
        opacity: 0.6;
    }
    100% { 
        transform: translateY(-5vh) scale(0.8) translateX(15px); 
        opacity: 0;
    } 
}

/* Classic Floral Corner Filigree (Ornamen Sudut Bingkai) */
.gold-corner { 
    position: absolute; 
    width: 200px; 
    pointer-events: none; 
    z-index: 20; 
    opacity: 0.25; 
    filter: drop-shadow(0 0 4px rgba(223, 178, 108, 0.15)); 
    transition: opacity 0.5s ease;
}

/* Premium Card Glassmorphic (Efek Lapisan Transparan Simetris) */
.glass-card { 
    background: var(--card-onyx);
    backdrop-filter: blur(16px); 
    -webkit-backdrop-filter: blur(16px); 
    border: 1px solid rgba(223, 178, 108, 0.12); 
    border-radius: 1.25rem;            /* Diubah dari bulat ekstrem ke lekukan sudut modern */
    transition: all 0.5s cubic-bezier(0.25, 1, 0.5, 1);
}

.gold-border { 
    border: 1px solid rgba(223, 178, 108, 0.3); 
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25), inset 0 0 15px rgba(223, 178, 108, 0.03);
}

/* Core Floating Animation (Interaksi Halus Simetris) */
@keyframes celestial-vows-float { 
    0%, 100% { 
        transform: translateY(0); 
    } 
    50% { 
        transform: translateY(-8px); 
    } 
}

.animate-celestial { 
    animation: celestial-vows-float 6s ease-in-out infinite; 
}

/* Penyesuaian Pewarnaan Komponen Utama agar Harmonis & Mewah */
.text-white {
    color: var(--warm-ivory) !important;
}
.text-amber-400, .text-amber-500, .text-amber-100 {
    color: var(--champagne-gold) !important;
}
.bg-amber-500 {
    background-color: var(--champagne-gold) !important;
    color: var(--bg-classic-dark) !important;
    letter-spacing: 0.15em;
    font-weight: 600 !important;
}
.from-amber-600.to-amber-400 {
    background: linear-gradient(135deg, #c99a53, var(--champagne-gold)) !important;
    color: var(--bg-classic-dark) !important;
}
.border-amber-500, .border-amber-500\/30 {
    border-color: rgba(223, 178, 108, 0.25) !important;
}
.text-slate-400 {
    color: var(--slate-muted) !important;
}

/* ==========================================================================
   3. FIXED ELEMENTS ADJUSTMENT (OVERLAY & MUSIC BUTTON)
   ========================================================================== */
#overlay {
    max-width: 480px;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    background-color: var(--bg-classic-dark) !important;
}

/* TOMBOL MUSIK: Diposisikan manis menyatu di sudut dalam frame */
#music-btn {
    position: fixed;
    bottom: 30px;                  
    left: calc(50% - 215px);       
    z-index: 999;                  
    width: 46px;                    
    height: 46px;
    background-color: rgba(10, 13, 20, 0.8) !important;
    color: var(--champagne-gold) !important;
    border: 1px solid rgba(223, 178, 108, 0.4);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.4);
    transition: all 0.3s ease;
}

#music-btn:hover {
    transform: scale(1.05);
    border-color: var(--champagne-gold);
}

/* ==========================================================================
   4. MOBILE RESPONSIVE OPTIMIZATION (MEDIA QUERY LAYAR HP)
   ========================================================================== */
@media (max-width: 767px) {
    html, body {
        position: relative;
        overflow-x: hidden !important;
    }

    #overlay {
        left: 0;
        transform: none;
        max-width: 100%;
    }
    
    #music-btn {
        left: 24px !important;     
        bottom: 24px !important;    
    }

    h1, .font-serif {
        line-height: 1.3 !important;
    }
    
    /* Sistem Struktur Garis Alur Garis Tengah Khusus Klasik */
    .relative.border-l {
        margin-left: 16px !important; 
        left: 0 !important;
        border-color: rgba(223, 178, 108, 0.15) !important;
    }

    .relative.border-l .absolute {
        left: -5px !important; 
        margin-left: 0 !important;
        background-color: var(--champagne-gold) !important;
        box-shadow: 0 0 10px var(--gold-glow) !important;
        width: 9px !important;
        height: 9px !important;
    }

    .relative.flex-col {
        width: 100% !important;
        padding-left: 0 !important;
        align-items: flex-start !important;
    }

    /* Penyesuaian Kotak Grid Glass-Card pada Layar Ponsel */
    .glass-card {
        padding: 24px 20px !important;       
        margin-left: 20px !important;     
        margin-right: 4px !important;    
        border-radius: 1rem !important; 
        text-align: left !important;      
        width: calc(100% - 24px) !important; 
        box-sizing: border-box !important;   
    }

    .glass-card span.font-cinzel {
        font-size: 0.85rem !important;
        letter-spacing: 0.15em !important;
        color: var(--champagne-gold) !important;
    }
    
    .glass-card h4.font-serif {
        font-size: 1.35rem !important;
        margin-bottom: 0.6rem !important;
        color: var(--warm-ivory) !important;
    }

    .glass-card p {
        font-size: 0.85rem !important;
        line-height: 1.65 !important;
        color: #cbd5e1 !important;
    }

    .space-y-16 > :not([hidden]) ~ :not([hidden]) {
        margin-top: 2.5rem !important;
    }
    
    .gold-corner {
        width: 120px !important;
        opacity: 0.15;
    }
}