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

:root {
    --primary-color: #1a3a3a;
    --accent-gold: #d4af37;
    --accent-light: #f5f1e8;
    --accent-dark: #2d5a5a;
    --text-dark: #2c2c2c;
    --text-light: #f5f1e8;
    --border-color: #d4af37;
    --shadow-soft: 0 10px 40px rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 20px 60px rgba(0, 0, 0, 0.12);
}

body {
    font-family: 'Georgia', 'Garamond', serif;
    background: linear-gradient(135deg, #f5f1e8 0%, #ede6d3 100%);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

/* Main Container */
.invitation-container {
    max-width: 900px;
    width: 100%;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: var(--shadow-medium);
    overflow: hidden;
    animation: containerAppear 0.8s ease-out;
}

@keyframes containerAppear {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Header Section */
.invitation-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-dark) 100%);
    padding: 60px 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.invitation-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.header-title {
    font-size: 14px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--accent-gold);
    margin-bottom: 10px;
    font-weight: normal;
    animation: fadeInDown 0.8s ease-out 0.1s both;
}

.header-main {
    font-size: 48px;
    color: var(--text-light);
    margin: 20px 0;
    font-weight: normal;
    letter-spacing: 1px;
    animation: fadeInDown 0.8s ease-out 0.2s both;
}

.header-subtitle {
    font-size: 16px;
    color: rgba(245, 241, 232, 0.85);
    margin-top: 15px;
    font-style: italic;
    animation: fadeInDown 0.8s ease-out 0.3s both;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Divider */
.divider {
    text-align: center;
    padding: 30px 40px;
    background: #fafaf8;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.divider-text {
    font-size: 12px;
    letter-spacing: 2px;
    color: var(--accent-gold);
    text-transform: uppercase;
}

/* Content Section */
.invitation-content {
    padding: 50px 40px;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Invitation Text */
.invitation-text {
    text-align: center;
    margin-bottom: 45px;
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-dark);
}

.invitation-text p {
    margin-bottom: 12px;
}

.invitation-name {
    font-size: 18px;
    margin: 20px 0;
    color: var(--primary-color);
    font-weight: 600;
    letter-spacing: 0.5px;
}

/* Details Grid */
.details-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin: 40px 0;
    padding: 40px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.detail-item {
    text-align: center;
}

.detail-label {
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent-gold);
    margin-bottom: 10px;
    display: block;
}

.detail-content {
    font-size: 16px;
    color: var(--text-dark);
    line-height: 1.8;
}

.detail-content strong {
    display: block;
    margin-top: 8px;
    color: var(--primary-color);
    font-weight: 600;
}

/* RSVP Section */
.rsvp-section {
    text-align: center;
    margin-top: 40px;
    padding: 30px;
    background: #fafaf8;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.rsvp-title {
    font-size: 12px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent-gold);
    margin-bottom: 15px;
}

.rsvp-content {
    font-size: 15px;
    color: var(--text-dark);
    line-height: 1.8;
}

.rsvp-content p {
    margin-bottom: 8px;
}

.rsvp-button {
    display: inline-block;
    margin-top: 20px;
    padding: 14px 40px;
    background: var(--primary-color);
    color: var(--text-light);
    border: 2px solid var(--primary-color);
    border-radius: 4px;
    font-size: 12px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Georgia', serif;
}

.rsvp-button:hover {
    background: var(--accent-gold);
    border-color: var(--accent-gold);
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-soft);
}

.rsvp-button:active {
    transform: translateY(0);
}

/* Footer */
.invitation-footer {
    text-align: center;
    padding: 30px 40px;
    background: #fafaf8;
    font-size: 13px;
    color: var(--text-dark);
    border-top: 1px solid var(--border-color);
    font-style: italic;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.3s ease-out;
}

.modal.show {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.modal-content {
    background: white;
    margin: 5% auto;
    padding: 40px;
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    box-shadow: var(--shadow-medium);
    animation: modalSlideIn 0.4s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    text-align: center;
    margin-bottom: 30px;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 20px;
}

.modal-header h2 {
    font-size: 24px;
    color: var(--primary-color);
    font-weight: normal;
}

.close {
    color: var(--accent-gold);
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s ease;
}

.close:hover {
    color: var(--primary-color);
}

/* Form Styles */
.form-group {
    margin-bottom: 20px;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 13px;
    color: var(--text-dark);
    font-weight: 600;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: 'Georgia', serif;
    font-size: 14px;
    color: var(--text-dark);
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-gold);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.submit-button {
    width: 100%;
    padding: 14px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 12px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Georgia', serif;
}

.submit-button:hover {
    background: var(--accent-gold);
    color: var(--primary-color);
    transform: translateY(-2px);
}

/* Success Message */
.success-message {
    display: none;
    text-align: center;
    padding: 20px;
    background: #e8f5e9;
    border: 1px solid #4caf50;
    border-radius: 4px;
    margin-bottom: 20px;
    color: #2e7d32;
}

.success-message.show {
    display: block;
    animation: slideDown 0.4s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .invitation-header {
        padding: 40px 25px;
    }

    .header-main {
        font-size: 36px;
    }

    .invitation-content {
        padding: 35px 25px;
    }

    .details-section {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .modal-content {
        width: 95%;
        padding: 30px 20px;
    }
}

@media (max-width: 480px) {
    .header-main {
        font-size: 28px;
    }

    .invitation-header {
        padding: 30px 20px;
    }

    .invitation-content {
        padding: 25px 20px;
    }

    .details-section {
        padding: 30px 0;
    }

    .detail-content {
        font-size: 14px;
    }
}