/* ===================================
   CSS Custom Properties (Variables)
   Winter Village Theme - Inspired by baby shower invitation
   =================================== */
:root {
    /* Winter village color palette */
    --dark-blue: #2C4A6B;
    --navy-blue: #1E3A52;
    --muted-teal: #5A7B8A;
    --muted-pink: #D4A5A5;
    --dusty-rose: #C89696;
    --light-coral: #E8B4B4;
    --sky-blue: #B8D4E3;
    --periwinkle: #A8C4D1;
    --warm-amber: #F4D03F;
    --soft-white: #FEFEFE;
    --snow-white: #FFFFFF;
    --mountain-blue: #E3F2FD;
    
    /* Additional shades for depth and contrast */
    --dark-blue-light: #3D5A7B;
    --navy-blue-light: #2F4A6B;
    --muted-teal-light: #7A9BAA;
    --muted-pink-light: #E4C5C5;
    --dusty-rose-light: #D8B6B6;
    --sky-blue-light: #D8E8F3;
    --periwinkle-light: #C8D8E1;
    
    /* Neutral colors for text and backgrounds */
    --text-primary: #2C4A6B;
    --text-secondary: #5A7B8A;
    --white: #FFFFFF;
    --soft-shadow: rgba(44, 74, 107, 0.08);
    
    /* Typography */
    --font-script: 'Dancing Script', cursive;
    --font-elegant: 'Playfair Display', serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing system for consistent layout */
    --spacing-xs: 0.5rem;   /* 8px */
    --spacing-sm: 1rem;     /* 16px */
    --spacing-md: 1.5rem;   /* 24px */
    --spacing-lg: 2rem;     /* 32px */
    --spacing-xl: 3rem;     /* 48px */
    --spacing-xxl: 4rem;    /* 64px */
    
    /* Border radius for modern, soft appearance */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    
    /* Transitions for smooth animations */
    --transition-fast: 0.2s ease-out;
    --transition-medium: 0.3s ease-out;
    --transition-slow: 0.5s ease-out;
}

/* ===================================
   Global Reset and Base Styles
   Mobile-first approach
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px; /* Base font size for rem calculations */
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.6;
    color: var(--text-primary);
    background: linear-gradient(135deg, var(--snow-white) 0%, var(--mountain-blue) 100%);
    min-height: 100vh;
    
    /* Winter village texture overlay - subtle snowflakes and village patterns */
    background-image: 
        radial-gradient(circle at 20% 20%, var(--sky-blue-light) 1px, transparent 1px),
        radial-gradient(circle at 80% 80%, var(--muted-pink-light) 1px, transparent 1px),
        radial-gradient(circle at 40% 60%, var(--periwinkle-light) 0.5px, transparent 0.5px);
    background-size: 60px 60px, 40px 40px, 80px 80px;
}

/* ===================================
   Main Container
   Center content with max width
   =================================== */
.container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
    gap: var(--spacing-xl);
}

/* ===================================
   Countdown Section
   Expected arrival countdown
   =================================== */
.countdown {
    text-align: center;
    padding: var(--spacing-md) 0;
}

.countdown-title {
    font-family: var(--font-elegant);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.countdown-label-date {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    display: block;
    font-family: var(--font-elegant);
    font-weight: 500;
}

.countdown-timer {
    display: grid;
    grid-template-columns: repeat(4, 80px);
    justify-content: center;
    gap: var(--spacing-md);
    margin: 0 auto;
}

.countdown-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 80px;
    width: 80px;
}

.countdown-number {
    font-family: var(--font-elegant);
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--dark-blue);
    background: var(--white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 12px var(--soft-shadow);
    margin-bottom: var(--spacing-xs);
    min-width: 80px;
    width: 80px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 3.5rem;
}

.countdown-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ===================================
   Hero Section
   Main announcement area
   =================================== */
.hero {
    text-align: center;
    padding: 0;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-title {
    font-family: var(--font-script);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.02em;
}

/* ===================================
   Registry Button
   Call-to-action styling
   =================================== */
.registry-button {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-xl);
    background: linear-gradient(135deg, var(--muted-teal) 0%, var(--dark-blue) 100%);
    color: var(--white);
    text-decoration: none;
    border-radius: var(--radius-lg);
    font-family: var(--font-elegant);
    font-weight: 500;
    font-size: 1.1rem;
    letter-spacing: 0.02em;
    
    /* Shadow for depth */
    box-shadow: 0 4px 12px rgba(90, 123, 138, 0.3);
    
    /* Smooth transitions */
    transition: all var(--transition-medium);
    
    /* Transform origin for hover effect */
    transform-origin: center;
}

.registry-button:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 20px rgba(90, 123, 138, 0.4);
    background: linear-gradient(135deg, var(--dark-blue) 0%, var(--muted-teal) 100%);
}

.registry-button:active {
    transform: translateY(0) scale(0.98);
    transition: all var(--transition-fast);
}

/* ===================================
   Expected Arrival Section
   =================================== */
.expected-arrival-section {
    text-align: center;
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-lg) var(--spacing-md);
    
    /* Fade-in animation with delay */
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.expected-arrival {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-lg);
    background: linear-gradient(135deg, var(--sky-blue-light) 0%, var(--muted-pink-light) 100%);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 12px var(--soft-shadow);
    max-width: 400px;
}

.arrival-text {
    font-family: var(--font-elegant);
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-primary);
    margin: 0;
    text-align: center;
}

/* ===================================
   Showers Section
   Baby shower information
   =================================== */
.showers {
    width: 100%;
    max-width: 800px;
    position: relative;
    
    /* Fade-in animation with delay */
    animation: fadeInUp 0.8s ease-out 0.3s both;
}

/* Winter village decorative elements */
.showers::before {
    content: '';
    position: absolute;
    top: -30px;
    left: 20px;
    width: 40px;
    height: 40px;
    background: radial-gradient(circle at 30% 30%, var(--sky-blue-light) 1px, transparent 1px);
    background-size: 12px 12px;
    opacity: 0.3;
    animation: twinkle 4s ease-in-out infinite;
}

.showers::after {
    content: '';
    position: absolute;
    top: -20px;
    right: 30px;
    width: 30px;
    height: 30px;
    background: radial-gradient(circle at 50% 50%, var(--muted-pink-light) 1px, transparent 1px);
    background-size: 10px 10px;
    opacity: 0.4;
    animation: twinkle 3s ease-in-out infinite 1.5s;
}

@keyframes twinkle {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.1); }
}

.showers-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-family: var(--font-elegant);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    font-weight: 300;
}

/* ===================================
   Shower Cards Layout
   Responsive grid using CSS Grid
   =================================== */
.shower-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    width: 100%;
}

/* Individual shower card styling */
.shower-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    
    /* Elegant shadow for card elevation */
    box-shadow: 0 8px 32px rgba(44, 74, 107, 0.12);
    
    /* Border accent using gradient */
    border: 1px solid transparent;
    background-clip: padding-box;
    position: relative;
    
    /* Smooth transitions for hover effects */
    transition: all var(--transition-medium);
    
    /* Staggered animation delay for cards */
    animation: fadeInScale 0.6s ease-out both;
    
    /* Add subtle winter texture */
    background-image: 
        radial-gradient(circle at 10% 10%, var(--mountain-blue) 1px, transparent 1px);
    background-size: 30px 30px;
    background-position: 0 0;
}

/* Gradient border effect */
.shower-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: var(--radius-md);
    padding: 1px;
    background: linear-gradient(135deg, var(--muted-teal), var(--muted-pink));
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    z-index: -1;
}

/* Card hover effects */
.shower-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
}

/* Second card gets different accent color */
.shower-card:nth-child(2) {
    /* Delay animation for staggered effect */
    animation-delay: 0.2s;
}

.shower-card:nth-child(2)::before {
    background: linear-gradient(135deg, var(--dusty-rose), var(--sky-blue));
}

/* Card header styling */
.card-header {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--sky-blue-light);
}

.card-title {
    font-family: var(--font-elegant);
    font-size: 1.4rem;
    font-weight: 500;
    color: var(--text-primary);
    text-align: center;
}

/* Card content area */
.card-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* Individual detail items (location, date) */
.card-detail {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--sky-blue-light);
    border-radius: var(--radius-sm);
    
    /* Subtle hover effect */
    transition: background-color var(--transition-fast);
}

.card-detail:hover {
    background: var(--muted-pink-light);
}

/* Icon styling */
.icon {
    font-size: 1.2rem;
    display: inline-block;
    width: 24px;
    text-align: center;
}

/* Detail text styling */
.detail-text {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 1rem;
}

.location-link {
    color: var(--text-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.location-link:hover {
    color: var(--muted-teal);
    text-decoration: underline;
}

.location-container {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    margin-left: var(--spacing-sm);
}

.click-hint {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-style: italic;
    margin-top: 2px;
    opacity: 0.8;
}

/* ===================================
   Footer Section
   Closing message
   =================================== */
.footer {
    text-align: center;
    padding: var(--spacing-md) 0;
}

.footer-message {
    font-family: var(--font-elegant);
    font-size: clamp(1.1rem, 3vw, 1.5rem);
    font-weight: 400;
    color: var(--text-primary);
}

/* Decorative heart element */
.footer-decoration {
    font-size: 1.5rem;
    margin-left: 0.5rem;
    
    /* Gentle pulse animation */
    animation: pulse 2s ease-in-out infinite;
}

/* ===================================
   CSS Animations
   =================================== */

/* Fade in from bottom with slight movement */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Fade in with scale effect for cards */
@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* Gentle pulse for decorative elements */
@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.8;
    }
    50% {
        transform: scale(1.1);
        opacity: 1;
    }
}

/* ===================================
   Responsive Design
   Tablet and desktop breakpoints
   =================================== */

/* Tablet styles (768px and up) */
@media (min-width: 48rem) {
    .container {
        padding: var(--spacing-xl);
        gap: var(--spacing-xxl);
    }
    
    .hero {
        padding: var(--spacing-xxl) var(--spacing-lg);
    }
    
    .shower-cards {
        gap: var(--spacing-xl);
    }
    
    .shower-card {
        padding: var(--spacing-xl);
    }
    
}

/* Desktop styles (1024px and up) */
@media (min-width: 64rem) {
    .container {
        padding: var(--spacing-xxl);
    }
    
    .hero-title {
        margin-bottom: var(--spacing-lg);
    }
    
    .registry-button {
        font-size: 1.2rem;
        padding: var(--spacing-lg) var(--spacing-xxl);
    }
    
}

/* Large desktop styles (1440px and up) */
@media (min-width: 90rem) {
    .container {
        gap: 5rem;
    }
    
    .shower-cards {
        max-width: 800px;
    }
}

/* ===================================
   Accessibility Improvements
   =================================== */

/* Ensure sufficient color contrast */
@media (prefers-contrast: high) {
    :root {
        --text-primary: #2D3D1D;
        --text-secondary: #4A5A3A;
    }
}

/* Respect user preference for reduced motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .footer-decoration {
        animation: none;
    }
}

/* Focus styles for keyboard navigation */
.registry-button:focus {
    outline: 3px solid var(--muted-teal);
    outline-offset: 2px;
}

/* Ensure touch targets are large enough on mobile */
@media (max-width: 47.9rem) {
    .registry-button {
        padding: var(--spacing-lg) var(--spacing-xl);
        font-size: 1.1rem;
        min-height: 48px; /* WCAG recommended minimum */
    }
    
    /* Responsive countdown for small screens */
    .countdown-timer {
        grid-template-columns: repeat(2, 80px);
        gap: var(--spacing-md);
    }
    
    .countdown-timer .countdown-item:nth-child(3),
    .countdown-timer .countdown-item:nth-child(4) {
        grid-column: span 1;
    }
}

/* Very small screens */
@media (max-width: 24rem) {
    .countdown-timer {
        grid-template-columns: repeat(2, 70px);
        gap: var(--spacing-sm);
    }
    
    .countdown-item,
    .countdown-number {
        min-width: 70px;
        width: 70px;
    }
    
    .countdown-number {
        height: 3rem;
        font-size: clamp(1.2rem, 4vw, 1.8rem);
        padding: var(--spacing-xs) var(--spacing-sm);
    }
}

/* ===================================
   Print Styles
   Clean layout for printing
   =================================== */
@media print {
    body {
        background: white;
        background-image: none;
    }
    
    .hero, .showers, .footer {
        animation: none;
        page-break-inside: avoid;
    }
    
    .shower-card {
        box-shadow: none;
        border: 1px solid var(--text-secondary);
        page-break-inside: avoid;
    }
    
    .registry-button {
        background: var(--muted-teal);
        box-shadow: none;
    }
}