:root {
            --platinum: #E5E7EB;
            --dark: #111827;
            --text-gray: #4B5563;
            --white: #FFFFFF;
        }

        * { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

        html { scroll-behavior: smooth; background-color: #F3F4F6; overflow-x: hidden; }

        body {
            font-family: 'Inter', sans-serif;
            color: var(--dark);
            background-color: var(--white);
            max-width: 500px;
            margin: 0 auto;
            min-height: 100vh;
            position: relative;
            box-shadow: 0 0 30px rgba(0,0,0,0.02);
        }

        h1, h2, h3 { font-family: 'Cormorant Garamond', serif; font-weight: 300; text-transform: uppercase; letter-spacing: 4px; }
        .cursive { font-family: 'Sacramento', cursive; color: var(--text-gray); font-size: 2.5rem; }

        section { padding: 100px 30px; text-align: center; border-bottom: 1px solid var(--platinum); }

        /* ========== ANIMATIONS ========== */
        .reveal { opacity: 0; transition: all 1.2s cubic-bezier(0.19, 1, 0.22, 1); }
        .reveal-bottom { transform: translateY(30px); }
        .reveal-left { transform: translateX(-40px); }
        .reveal-right { transform: translateX(40px); }
        .reveal.active { opacity: 1; transform: translate(0,0); }

        /* ========== COVER UPGRADE ========== */
        #cover {
            position: fixed; 
            top: 0; 
            left: 50%; 
            transform: translateX(-50%);
            width: 100%; 
            max-width: 500px; 
            height: 100%;
            background: #ffffff; /* Putih bersih khas Sapphire */
            display: flex; 
            flex-direction: column; 
            justify-content: center; 
            align-items: center;
            z-index: 10000; 
            transition: transform 1.2s cubic-bezier(0.77, 0, 0.175, 1);
            overflow: hidden;
        }
        
        /* Background Ornament (Opsional agar tidak terlalu polos) */
        #cover::before {
            content: '';
            position: absolute;
            width: 150%;
            height: 150%;
            background: radial-gradient(circle, rgba(15, 82, 186, 0.03) 0%, transparent 70%);
            z-index: -1;
        }
        
        #cover.hide { 
            transform: translateX(-50%) translateY(-100%); 
        }
        
        /* Keyframes Animasi Muncul */
        @keyframes fadeInUpCustom {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        /* Staggered Delay (Muncul Bergantian) */
        .anim-fade-up { animation: fadeInUpCustom 1s ease forwards; opacity: 0; }
        .anim-fade-up-2 { animation: fadeInUpCustom 1s ease forwards 0.3s; opacity: 0; }
        .anim-fade-up-3 { animation: fadeInUpCustom 1s ease forwards 0.6s; opacity: 0; }
        .anim-fade-up-4 { animation: fadeInUpCustom 1s ease forwards 0.9s; opacity: 0; }
        
        /* Styling Button Sapphire */
        .btn-open {
            margin-top: 40px; 
            padding: 18px 45px; 
            background: #222222; /* Sapphire Blue */
            color: white;
            border: none; 
            font-size: 0.75rem; 
            letter-spacing: 4px; 
            cursor: pointer;
            text-transform: uppercase;
            position: relative;
            overflow: hidden;
            transition: 0.3s;
            border-radius: 4px;
            box-shadow: 0 10px 20px rgba(15, 82, 186, 0.2);
        }
        
        .btn-open:hover {
            background: #fff;
            color: var(--black);
            transform: translateY(-3px);
            box-shadow: 0 15px 25px rgba(15, 82, 186, 0.3);
        }
        
        /* Efek Kilau pada Tombol */
        .btn-open::after {
            content: '';
            position: absolute;
            top: -50%;
            left: -60%;
            width: 20%;
            height: 200%;
            background: rgba(255, 255, 255, 0.2);
            transform: rotate(30deg);
            transition: 0s;
        }
        
        .btn-open:hover::after {
            left: 120%;
            transition: 0.7s;
        }

        /* ========== COUNTDOWN ========== */
        .timer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 15px; margin-top: 40px; }
        .timer-item span { display: block; font-family: 'Cormorant Garamond', serif; font-size: 2rem; font-weight: 300; }
        .timer-item small { font-size: 0.6rem; letter-spacing: 2px; opacity: 0.6; text-transform: uppercase; }

        /* ========== PHOTO BOX ========== */
        .photo-minimal {
            width: 100%;
            height: 500px;
            overflow: hidden;
            margin-bottom: 25px;
        }
        .photo-minimal img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            filter: grayscale(100%); transition: 1.2s; }
        .photo-minimal:hover img { filter: grayscale(0%); }

        /* ========== GALLERY ========== */
        .masonry-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
            margin-top: 30px;
        }
        .masonry-item { overflow: hidden; height: 200px; }
        .masonry-item img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(100%); transition: 0.8s; }
        .masonry-item:hover img { filter: grayscale(0%); transform: scale(1.05); }
        .item-large {
            grid-column: span 1;
            height: 414px;
            grid-row: span 2;
        }

        /* ========== RSVP FORM ========== */
        .rsvp-form { text-align: left; }
        .rsvp-form input, .rsvp-form select, .rsvp-form textarea {
            width: 100%; padding: 15px 0; margin-bottom: 20px; background: transparent;
            border: none; border-bottom: 1px solid var(--platinum); color: var(--dark); outline: none; font-family: inherit;
        }
        .btn-submit { width: 100%; padding: 15px; background: var(--dark); color: white; border: none; letter-spacing: 2px; cursor: pointer; text-transform: uppercase; font-size: 0.75rem; }

        /* ========== MUSIC CONTROL (VINYL VERSION) ========== */
        .music-control { position: fixed; bottom: 30px; left: 50%; transform: translateX(-230px); z-index: 1000; }

        .music-btn {
            width: 45px; height: 45px; border-radius: 50%; background: var(--dark);
            color: white; border: none; display: flex; justify-content: center; align-items: center;
            cursor: pointer; box-shadow: 0 4px 15px rgba(0,0,0,0.1); transition: 0.3s;
        }

        /* Animasi Rotasi Vinyl */
        @keyframes rotateVinyl {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }

        .music-btn.playing i {
            animation: rotateVinyl 4s linear infinite;
        }

        body.no-scroll { overflow: hidden; }
        @media (max-width: 500px) { .music-control { left: 20px; transform: none; } }