/* ========== VARIABLES ========== */
        :root {
            --bg-main: #FFFFFF;
            --bg-sub: #F8FAFC;
            --color-primary: #1A202C;
            --color-silver: #CBD5E0;
            --color-accent: #E2E8F0;
            --silver-text: #4A5568;
        }

        /* ========== RESET & BASE ========== */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        /* Latar belakang di luar area portrait (Desktop) */
        html {
            scroll-behavior: smooth;
            background-color: #E2E8F0;
            /* Warna di luar bingkai portrait */
            overflow-x: hidden;
        }

        body {
            font-family: 'Inter', sans-serif;
            color: var(--color-primary);
            background-color: var(--bg-main);
            line-height: 1.6;

            /* Membuat efek Portrait di Desktop */
            max-width: 500px;
            /* Lebar standar portrait HP */
            margin: 0 auto;
            /* Menengahkan body */
            min-height: 100vh;
            box-shadow: 0 0 50px rgba(0, 0, 0, 0.1);
            /* Bayangan agar terlihat seperti aplikasi */
            position: relative;
        }

        h1,
        h2,
        h3 {
            font-family: 'Cinzel', serif;
            letter-spacing: 2px;
        }

        .cursive {
            font-family: 'Sacramento', cursive;
            color: var(--silver-text);
        }

        section {
            padding: 60px 20px;
            text-align: center;
            max-width: 1200px;
            margin: 0 auto;
        }

        /* ========== ANIMATIONS ========== */
        .reveal {
            opacity: 0;
            transition: all 1.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            pointer-events: none;
        }

        .reveal-left {
            transform: translateX(-80px);
        }

        .reveal-right {
            transform: translateX(80px);
        }

        .reveal-bottom {
            transform: translateY(60px);
        }

        .reveal.active {
            opacity: 1;
            transform: translate(0, 0);
            pointer-events: auto;
        }

       
        /* ========== COVER OVERLAY ========== */
        #cover {
            position: fixed;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 100%;
            max-width: 500px;
            /* Sesuai ukuran Portrait */
            height: 100%;
            background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)),
                url('/img/basic-img/silverclass/aura-silver/bg-hero.jpg');
            background-size: cover;
            background-position: center;

            /* Inti agar semua konten di dalam cover ke tengah */
            display: flex;
            flex-direction: column;
            justify-content: center;
            /* Menengah secara Vertikal */
            align-items: center;
            /* Menengah secara Horizontal */

            color: white;
            z-index: 10000;
            transition: transform 1s cubic-bezier(0.77, 0, 0.175, 1), opacity 1s;
            text-align: center;
            padding: 20px;
        }

        #cover.hide {
            transform: translateX(-50%) translateY(-100%);
            opacity: 0;
            pointer-events: none;
        }

        .btn-open {
            padding: 12px 30px;
            background: #fff;
            color: var(--color-primary);
            border: none;
            border-radius: 50px;
            font-family: 'Inter', sans-serif;
            font-weight: 600;
            cursor: pointer;
        
            /* Flex di dalam tombol untuk icon & teks */
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        
            /* Shadow Awal */
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            margin-top: 20px;
            
            /* Animasi Berdetak saat diam (Optional: agar tamu tahu ini tombol) */
            animation: heartbeat 2s infinite;
        }
        
        .btn-open:hover {
            background: #fff; /* Tetap putih agar cahaya lebih terlihat */
            transform: scale(1.1);
            
            /* Efek Cahaya dan Shadow yang kuat */
            box-shadow: 0 0 20px rgba(255, 255, 255, 0.8), 
                        0 0 40px rgba(var(--color-primary-rgb), 0.5), 
                        0 10px 30px rgba(0, 0, 0, 0.3);
            
            /* Berdetak lebih cepat saat di-hover */
            animation: heartbeat 0.8s infinite;
        }
        
        /* Kunci Animasi Berdetak */
        @keyframes heartbeat {
            0% {
                transform: scale(1);
                box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
            }
            50% {
                transform: scale(1.05);
                /* Efek Cahaya memancar saat berdetak */
                box-shadow: 0 0 25px rgba(255, 255, 255, 0.6), 
                            0 10px 25px rgba(0, 0, 0, 0.4);
            }
            100% {
                transform: scale(1);
                box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
            }
        }

        /* Sembunyikan scrollbar saat cover masih ada */
        body.no-scroll {
            overflow: hidden;
        }

        /* ========== HERO SECTION ========== */
        .hero-aura {
            height: 100vh;
            width: 100%;
            background-image: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)),
                url('/img/basic-img/silverclass/aura-silver/bg-hero.jpg');
            background-size: cover;
            background-position: center;
            display: flex;
            justify-content: center;
            align-items: center;
            color: white;
        }

        .hero-inner h1 {
            font-size: clamp(2.2rem, 10vw, 4.5rem);
            margin: 15px 0;
            letter-spacing: 5px;
        }

        /* ========== QUOTE SECTION ========== */
        .quote-bg {
            background: var(--bg-sub);
            width: 100%;
        }

        .quote-container p {
            max-width: 600px;
            margin: 0 auto 20px;
            font-style: italic;
            color: var(--silver-text);
        }

        /* ========== MEMPELAI SECTION ========== */
        .mempelai-grid {
            display: flex;
            flex-direction: column;
            gap: 40px;
            margin-top: 50px;
            align-items: center;
        }

        .photo-frame {
            width: 260px;
            height: 360px;
            position: relative;
            border: 1px solid var(--color-silver);
            padding: 10px;
            background: white;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            margin: 0 auto 20px;
        }

        .photo-frame img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .photo-frame::before {
            content: '';
            position: absolute;
            top: -5px;
            left: -5px;
            width: 30px;
            height: 30px;
            border-top: 3px solid var(--color-silver);
            border-left: 3px solid var(--color-silver);
        }

        .photo-frame::after {
            content: '';
            position: absolute;
            bottom: -5px;
            right: -5px;
            width: 30px;
            height: 30px;
            border-bottom: 3px solid var(--color-silver);
            border-right: 3px solid var(--color-silver);
        }

        .divider-cursive {
            font-size: clamp(2rem, 5vw, 3rem);
        }

        /* ========== EVENTS SECTION ========== */
        .events-bg {
            background: var(--bg-sub);
            width: 100%;
        }

        .event-box {
            background: var(--bg-main);
            padding: 30px 20px;
            border-radius: 15px;
            border: 1px solid var(--color-accent);
            margin: 20px auto;
            max-width: 500px;
        }

        .event-box h3 {
            margin-bottom: 10px;
        }

        .btn-maps {
            display: inline-block;
            padding: 12px 25px;
            background: var(--color-primary);
            color: var(--bg-main);
            text-decoration: none;
            border-radius: 8px;
            margin-top: 20px;
            font-size: 0.85rem;
            transition: opacity 0.3s;
        }

        .btn-maps:hover {
            opacity: 0.8;
        }

        /* ========== GALLERY SECTION ========== */
        .masonry-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            grid-auto-rows: 150px;
            gap: 10px;
            max-width: 1100px;
            margin: 40px auto;
        }

        .masonry-item {
            position: relative;
            overflow: hidden;
            border: 1px solid var(--color-accent);
            border-radius: 8px;
        }

        .masonry-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            filter: grayscale(30%);
            transition: all 0.8s;
            display: block;
        }

        .masonry-item:hover img {
            transform: scale(1.1);
            filter: grayscale(0%);
        }

        .item-large,
        .item-wide {
            grid-column: span 1;
            grid-row: span 2;
        }

        /* ========== RSVP SECTION ========== */
        .rsvp form {
            max-width: 500px;
            margin: 30px auto 0;
            text-align: left;
        }

        .rsvp input,
        .rsvp select,
        .rsvp textarea {
            width: 100%;
            padding: 15px;
            margin: 10px 0;
            border: 1px solid var(--color-accent);
            border-radius: 8px;
            font-size: 16px;
            font-family: 'Inter', sans-serif;
        }

        .btn-submit {
            width: 100%;
            padding: 15px;
            background: var(--color-primary);
            color: white;
            border: none;
            border-radius: 8px;
            font-weight: bold;
            cursor: pointer;
            transition: opacity 0.3s;
        }

        .btn-submit:hover {
            opacity: 0.9;
        }

        /* ========== FOOTER ========== */
        footer {
            padding: 80px 20px;
            background: linear-gradient(135deg, #2d3748 0%, #1a202c 100%);
            color: var(--bg-main);
            text-align: center;
            width: 100%;
            position: relative;
            overflow: hidden;
        }

        footer p {
            max-width: 600px;
            margin: 0 auto;
            font-size: clamp(0.9rem, 3vw, 1.1rem);
            opacity: 0.9;
            font-weight: 300;
            line-height: 1.8;
        }

        footer h2 {
            margin-top: 30px;
            font-size: clamp(1.5rem, 5vw, 2.2rem);
            letter-spacing: 4px;
            color: var(--color-silver);
        }

        footer .cursive {
            margin-top: 15px;
            font-size: clamp(2rem, 8vw, 3.5rem);
            color: var(--color-silver);
        }

        footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 1px;
            background: var(--color-silver);
        }

        .footer-credit {
            margin-top: 40px;
            font-size: 0.7rem;
            opacity: 0.5;
            letter-spacing: 2px;
        }

        /* ========== BACK TO TOP STYLES ========== */
        .back-to-top {
            display: inline-flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            /* Warna Emas Mewah */
            color: #c5a059;
            text-decoration: none;
            font-size: 0.7rem;
            letter-spacing: 2px;
            margin-bottom: 40px;
            cursor: pointer;
            transition: 0.3s;
            /* Efek cahaya emas tipis */
            text-shadow: 0 0 10px rgba(197, 160, 89, 0.4);
        }

        .back-to-top:hover {
            color: #e5c07b;
            /* Emas yang lebih terang saat di-hover */
            text-shadow: 0 0 15px rgba(197, 160, 89, 0.8);
            transform: scale(1.1);
        }

        .back-to-top i {
            font-size: 1.2rem;
            animation: bounceVertical 2s infinite;
        }

        @keyframes bounceVertical {

            0%,
            20%,
            50%,
            80%,
            100% {
                transform: translateY(0);
            }

            40% {
                transform: translateY(-8px);
            }

            60% {
                transform: translateY(-4px);
            }
        }

        /* ========== MUSIC CONTROL ========== */
        .music-control {
            position: fixed;
            bottom: 25px;
            /* Menghitung posisi agar tetap nempel di dalam body portrait */
            left: 50%;
            transform: translateX(-230px);
            /* 500px / 2 - sedikit margin */
            z-index: 1000;
        }

        .music-btn {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: var(--bg-main);
            border: 1px solid var(--color-silver);
            display: flex;
            justify-content: center;
            align-items: center;
            cursor: pointer;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
            transition: all 0.3s;

            /* TAMBAHKAN BARIS DI BAWAH INI */
            outline: none;
            -webkit-tap-highlight-color: transparent;
            /* Menghilangkan highlight biru di HP Android/iOS */
            user-select: none;
            /* Mencegah teks/elemen terpilih secara tidak sengaja */
        }

        /* Pastikan saat focus/aktif juga tidak muncul outlinenya */
        .music-btn:focus,
        .music-btn:active {
            outline: none;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
            /* Opsional: ganti outline dengan shadow halus */
        }

        /* Class ini akan ditambahkan lewat JavaScript saat musik PLAY */
        .music-btn.playing {
            animation: rotateMusic 3s linear infinite;
            /* Putar terus menerus */
            background: var(--color-primary);
            color: white;
            border-color: var(--color-primary);
        }

        /* Animasi Rotasi */
        @keyframes rotateMusic {
            from {
                transform: rotate(0deg);
            }

            to {
                transform: rotate(360deg);
            }
        }

        .music-btn:hover {
            transform: scale(1.1);
        }

        /* Penyesuaian untuk layar HP asli agar tidak terlalu ke kiri */
        @media (max-width: 500px) {
            .music-control {
                left: 20px;
                transform: none;
            }
        }