/* Reset & Variabel */
:root {
    --primary-color: #8e44ad;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --text-color: #333;
    --light-bg: #f9f9f9;
    --white: #ffffff;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-bg);
    overflow-x: hidden;
}

/* Cover/Amplop Pembuka */
#cover {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 2rem;
    position: relative;
    z-index: 100;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

#cover h1 {
    font-size: 2.5rem;
    margin: 1rem 0;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.guest-name-display {
    font-size: 1.5rem;
    margin: 1.5rem 0;
    padding: 0.5rem 1rem;
    border: 2px solid var(--white);
    display: inline-block;
    border-radius: 4px;
}

#open-invitation {
    background-color: var(--accent-color);
    color: var(--white);
    border: none;
    padding: 12px 30px;
    font-size: 1.2rem;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 2rem;
    box-shadow: var(--shadow);
}

#open-invitation:hover {
    background-color: #c0392b;
    transform: translateY(-3px);
    box-shadow: 0 6px 8px rgba(0, 0, 0, 0.15);
}

/* Main Content */
#main-content {
    transition: opacity 1s ease-in-out;
}

/* Header */
.sc-header {
    height: 70vh;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-align: center;
    position: relative;
}

.sc-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5));
    z-index: 1;
}

.sc-header-content {
    position: relative;
    z-index: 2;
    padding: 2rem;
    max-width: 800px;
}

.sc-header-content h1 {
    font-size: 3rem;
    margin: 1rem 0;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

/* Sections */
.sc-section {
    padding: 4rem 0;
}

.sc-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.sc-section h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    text-align: center;
    color: var(--primary-color);
    position: relative;
    padding-bottom: 1rem;
}

.sc-section h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--secondary-color);
}

/* Detail Acara */
.sc-details-box {
    background-color: var(--white);
    border-radius: 8px;
    padding: 2rem;
    box-shadow: var(--shadow);
    margin-top: 2rem;
}

.sc-details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.sc-details-item {
    text-align: center;
    padding: 1.5rem;
    border-radius: 8px;
    background-color: var(--light-bg);
    transition: var(--transition);
}

.sc-details-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.sc-details-item h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}

/* Guest Stars */
.guest-star-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.guest-star-card {
    background-color: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
}

.guest-star-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.guest-star-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.guest-star-card h3 {
    padding: 1rem;
    color: var(--primary-color);
}

/* Countdown */
#countdown {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 2rem 0;
}
.countdown {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    display: flex;
    gap: 10px;
}
.countdown-item {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
    min-width: 100px;
    box-shadow: var(--shadow);
}

.countdown-item span {
    display: block;
    font-size: 2rem;
    font-weight: bold;
}

.countdown-item p {
    margin: 0;
    font-size: 0.9rem;
}

/* Gallery */
.sc-gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    height: 200px;
    box-shadow: var(--shadow);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

/* Map */
.map-container-responsive {
    position: relative;
    overflow: hidden;
    padding-top: 56.25%; /* 16:9 Aspect Ratio */
    border-radius: 8px;
    box-shadow: var(--shadow);
    margin-top: 2rem;
}

.map-container-responsive iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

/* RSVP Form */
.sc-rsvp-form {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    margin-top: 2rem;
}

.sc-rsvp-form form {
    display: grid;
    gap: 1rem;
}

.sc-rsvp-form input,
.sc-rsvp-form select,
.sc-rsvp-form textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: inherit;
    font-size: 1rem;
}

.sc-rsvp-form button {
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 12px;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

.sc-rsvp-form button:hover {
    background-color: #7d3c98;
}

/* Ucapan List */
.sb-ucapan-list {
    margin-top: 3rem;
}

.ucapan-item {
    background-color: var(--white);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    box-shadow: var(--shadow);
}

.ucapan-item h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.ucapan-item p {
    margin: 0.5rem 0;
}

.ucapan-item .ucapan-date {
    font-size: 0.8rem;
    color: #777;
    text-align: right;
}

/* Music Button */
#music-button {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    border-radius: 50%;
    z-index: 99;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
}

#music-button::before {
    content: '♪';
    color: var(--white);
    font-size: 1.5rem;
}

#music-button.playing::before {
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { opacity: 0.7; }
    50% { opacity: 1; }
    100% { opacity: 0.7; }
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Lightbox */
#custom-lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

#custom-lightbox img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 20px;
    color: var(--white);
    font-size: 2rem;
    cursor: pointer;
}

/* Responsive */
@media (max-width: 768px) {
    #cover h1 {
        font-size: 2rem;
    }
    
    .sc-header-content h1 {
        font-size: 2rem;
    }
    
    .sc-section h2 {
        font-size: 1.8rem;
    }
    
    .sc-details-grid {
        grid-template-columns: 1fr;
    }
    
    .guest-star-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
    
    .sc-gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
}

@media (max-width: 480px) {
    #cover h1 {
        font-size: 1.8rem;
    }
    
    .guest-name-display {
        font-size: 1.2rem;
    }
    
    .sc-header-content h1 {
        font-size: 1.8rem;
    }
    
    .sc-section {
        padding: 3rem 0;
    }
    
    .sc-container {
        padding: 0 1rem;
    }
    
    .countdown-item {
        min-width: 80px;
        padding: 1rem;
    }
    
    .countdown-item span {
        font-size: 1.5rem;
    }
}