:root {
    --primary: #1D2636; /* Navy Blue */
    --secondary: #C5A059; /* Gold/Tan */
    --accent: #A68648;
    --bg-gradient: linear-gradient(135deg, #eaddca 0%, #c5a059 100%);
    --glass: rgba(255, 255, 255, 0.15);
    --glass-border: rgba(29, 38, 54, 0.1);
    --text: #1D2636;
    --white: #ffffff;
}

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

body {
    font-family: 'Outfit', sans-serif;
    background: var(--bg-gradient);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow-x: hidden;
}

/* Loader */
.loader-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: white;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    transition: opacity 0.5s ease;
}

.loader {
    width: 50px;
    height: 50px;
    border: 5px solid #f3f3f3;
    border-top: 5px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Main Container */
.main-container {
    width: 100%;
    max-width: 1200px;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Glass Card */
.glass-card {
    background: var(--glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 24px;
    border: 1px solid var(--glass-border);
    padding: 40px;
    text-align: center;
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
    max-width: 500px;
    width: 100%;
    animation: fadeInUp 1s ease-out;
}

/* Envelope Animation */
.envelope-wrapper {
    margin-bottom: 30px;
    display: flex;
    justify-content: center;
}

.envelope {
    position: relative;
    width: 150px;
    height: 100px;
    background: var(--secondary);
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    animation: float 3s ease-in-out infinite;
}

.envelope-flap {
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 0;
    border-left: 75px solid transparent;
    border-right: 75px solid transparent;
    border-top: 60px solid var(--accent);
    z-index: 3;
    transform-origin: top;
    transition: transform 0.4s ease;
}

.envelope-body {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--secondary);
    border-radius: 4px;
    z-index: 1;
}

.envelope-seal {
    position: absolute;
    top: 40px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 30px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 4;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

.heart {
    color: white;
    font-size: 14px;
}

/* Typography */
.title {
    font-family: 'Cormorant Garamond', serif;
    font-size: 3rem;
    margin-bottom: 10px;
    color: var(--primary);
    letter-spacing: 1px;
}

.subtitle {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 30px;
}

/* Buttons */
.btn-primary {
    background: var(--primary);
    color: var(--secondary);
    border: none;
    padding: 15px 40px;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(29, 38, 54, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(29, 38, 54, 0.5);
    background: #2a374d;
}

.btn-secondary {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
    padding: 10px 30px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    margin-top: 20px;
}

/* Invitation Reveal */
.invitation-reveal {
    width: 100%;
    display: flex;
    justify-content: center;
}

.invitation-content {
    max-width: 600px;
    width: 100%;
    text-align: center;
    animation: zoomIn 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.image-container {
    background: var(--secondary);
    padding: 30px;
    border-radius: 4px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    margin-bottom: 20px;
    position: relative;
    border: 1px solid rgba(29, 38, 54, 0.2);
}

/* Decorative Borders */
.image-container::before,
.image-container::after {
    content: '';
    position: absolute;
    left: 20px;
    right: 20px;
    height: 2px;
    background: var(--primary);
}

.image-container::before {
    top: 15px;
}

.image-container::after {
    bottom: 15px;
}

.image-container img {
    width: 100%;
    border-radius: 12px;
    display: block;
}

/* Glass Morphism Utility */
.glass-morphism {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Animations */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes zoomIn {
    from { opacity: 0; transform: scale(0.8); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.hidden {
    display: none;
}

.fade-out {
    opacity: 0;
    transform: translateY(-20px);
    transition: all 0.5s ease;
}

/* Confetti Canvas */
#confetti-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 99;
}

/* Responsive */
@media (max-width: 600px) {
    .title { font-size: 2rem; }
    .glass-card { padding: 30px 20px; }
}