/* CSS Custom Properties for Easy Color Scheme Changes */
:root {
    /* Dark Green Primary Colors */
    --green-dark: #1a4d2e;
    --green-medium: #2d5a3d;
    --green-light: #3d6b4f;
    
    /* Complementary Colors */
    --purple-dark: #6b4c93;
    --purple-light: #8b6fa8;
    --gold: #d4af37;
    --gold-light: #f4d03f;
    --pink-soft: #f8c8dc;
    
    /* Neutral Colors */
    --white: #ffffff;
    --off-white: #f5f5f5;
    --gray-light: #e0e0e0;
    --gray-medium: #999999;
    --gray-dark: #333333;
    --black: #000000;
    
    /* Typography */
    --font-heading: 'Georgia', 'Times New Roman', serif;
    --font-body: 'Arial', 'Helvetica', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--gray-dark);
    background-color: var(--off-white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--green-dark) 0%, var(--green-medium) 100%);
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background-image: url('../images/hero.jpg');
    background-size: cover;
    background-position: center;
    background-blend-mode: overlay;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(26, 77, 46, 0.8) 0%, rgba(45, 90, 61, 0.8) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    padding: var(--spacing-xl) var(--spacing-md);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: bold;
    margin-bottom: var(--spacing-sm);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    letter-spacing: 2px;
}

.hero-date {
    font-size: 1.5rem;
    font-weight: 300;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    letter-spacing: 1px;
}

/* Decorative Elements */
.hero::after {
    content: '✨';
    position: absolute;
    font-size: 2rem;
    opacity: 0.6;
    animation: twinkle 3s ease-in-out infinite;
}

@keyframes twinkle {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.2); }
}

/* Welcome Section */
.welcome {
    padding: var(--spacing-xl) 0;
    background-color: var(--white);
}

.welcome h2 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    color: var(--green-dark);
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.welcome-text {
    font-size: 1.1rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    color: var(--gray-dark);
    line-height: 1.8;
}

/* Event Details Section */
.event-details {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--purple-light) 0%, var(--purple-dark) 100%);
    color: var(--white);
}

.event-details h2 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--white);
}

.details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.detail-item {
    background-color: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.detail-item h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--gold-light);
}

.detail-item p {
    font-size: 1.1rem;
    color: var(--white);
}

/* Registry Section */
.registry {
    padding: var(--spacing-xl) 0;
    background-color: var(--white);
    text-align: center;
}

.registry h2 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    color: var(--green-dark);
    margin-bottom: var(--spacing-sm);
}

.registry-text {
    font-size: 1.1rem;
    color: var(--gray-dark);
    margin-bottom: var(--spacing-md);
}

.registry-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
    color: var(--green-dark);
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: bold;
    border-radius: var(--radius-lg);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    min-height: 48px;
}

.registry-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
}

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

/* RSVP Section */
.rsvp {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--green-light) 0%, var(--green-medium) 100%);
    color: var(--white);
}

.rsvp h2 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: var(--spacing-sm);
    color: var(--white);
}

.rsvp-text {
    text-align: center;
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
    color: var(--white);
}

.rsvp-form {
    max-width: 600px;
    margin: 0 auto;
    background-color: rgba(255, 255, 255, 0.95);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--green-dark);
    font-weight: bold;
    font-size: 1rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--gray-light);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-family: var(--font-body);
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--green-medium);
    box-shadow: 0 0 0 3px rgba(45, 90, 61, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.submit-button {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: linear-gradient(135deg, var(--purple-dark) 0%, var(--purple-light) 100%);
    color: var(--white);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    margin-top: var(--spacing-sm);
    min-height: 48px;
}

.submit-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
}

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

.rsvp-confirmation {
    max-width: 600px;
    margin: var(--spacing-lg) auto 0;
    background-color: rgba(255, 255, 255, 0.95);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

.rsvp-confirmation h3 {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--green-dark);
    margin-bottom: var(--spacing-sm);
}

.rsvp-confirmation p {
    color: var(--gray-dark);
    font-size: 1.1rem;
}

/* Footer */
.footer {
    padding: var(--spacing-md) 0;
    background-color: var(--green-dark);
    color: var(--white);
    text-align: center;
}

.footer p {
    font-size: 0.9rem;
    color: var(--gray-light);
}

/* Accessibility Improvements */
*:focus-visible {
    outline: 2px solid var(--green-medium);
    outline-offset: 2px;
}

/* Prevent iOS text size adjustment */
input,
select,
textarea,
button {
    font-size: 16px; /* Prevents zoom on iOS */
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-date {
        font-size: 1.2rem;
    }
    
    .welcome h2,
    .event-details h2,
    .registry h2,
    .rsvp h2 {
        font-size: 2rem;
    }
    
    .details-grid {
        grid-template-columns: 1fr;
    }
    
    .rsvp-form,
    .rsvp-confirmation {
        padding: var(--spacing-md);
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    /* Ensure touch targets are at least 44px */
    .registry-button,
    .submit-button {
        min-height: 44px;
        padding: 12px var(--spacing-md);
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        min-height: 44px;
        padding: 12px var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .hero {
        min-height: 50vh;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-date {
        font-size: 1rem;
    }
    
    .welcome,
    .event-details,
    .registry,
    .rsvp {
        padding: var(--spacing-lg) 0;
    }
    
    .welcome h2,
    .event-details h2,
    .registry h2,
    .rsvp h2 {
        font-size: 1.75rem;
        margin-bottom: var(--spacing-sm);
    }
    
    .registry-button {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 1rem;
        width: 100%;
        max-width: 300px;
    }
    
    .welcome-text,
    .registry-text,
    .rsvp-text {
        font-size: 1rem;
    }
    
    .detail-item {
        padding: var(--spacing-sm);
    }
    
    .detail-item h3 {
        font-size: 1.25rem;
    }
    
    .detail-item p {
        font-size: 1rem;
    }
}

/* Print Styles */
@media print {
    .hero {
        min-height: 40vh;
    }
    
    .rsvp-form {
        box-shadow: none;
        border: 1px solid var(--gray-light);
    }
    
    .footer {
        page-break-inside: avoid;
    }
}