/* ========================================
   CSS Variables
   ======================================== */
:root {
    --color-primary: #2c5f4f;
    --color-primary-light: #4a7c6a;
    --color-primary-dark: #1e4235;
    --color-text: #2c2c2c;
    --color-text-light: #666;
    --color-bg: #faf8f5;
    --color-bg-light: #f7f5f2;
    --color-bg-accent: #f3f1ed;
    --color-border: #e0e0e0;
    --color-link: #2c5f4f;
    --color-link-hover: #1e4235;
    
    --font-serif: 'Cormorant Garamond', serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    --transition-base: 0.3s ease;
    --transition-fast: 0.15s ease;
    
    --max-width: 1200px;
    --border-radius: 4px;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

body {
    font-family: var(--font-sans);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   Skip Link
   ======================================== */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: white;
    padding: 8px 16px;
    text-decoration: none;
    z-index: 1000;
    border-radius: 0 0 var(--border-radius) 0;
}

.skip-link:focus {
    top: 0;
}

/* ========================================
   Typography
   ======================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--color-link);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover,
a:focus {
    color: var(--color-link-hover);
    text-decoration: underline;
}

a:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ========================================
   Layout
   ======================================== */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ========================================
   Header & Navigation
   ======================================== */
.site-header {
    background-color: rgba(250, 248, 245, 0.95);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.main-nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.main-nav a {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    color: var(--color-text);
    padding: var(--spacing-xs) var(--spacing-sm);
    display: block;
    position: relative;
}

.main-nav a:hover,
.main-nav a:focus {
    text-decoration: none;
    color: var(--color-primary);
}

.main-nav a[aria-current="page"] {
    color: var(--color-primary);
    font-weight: 600;
}

.main-nav a[aria-current="page"]::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: var(--spacing-sm);
    right: var(--spacing-sm);
    height: 2px;
    background-color: var(--color-primary);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    background-color: var(--color-bg-light);
}

.hero-image-container {
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-image {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    object-fit: cover;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-name {
    font-size: clamp(2.5rem, 6vw, 4rem);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.hero-dates {
    font-family: var(--font-serif);
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.hero-quote {
    font-style: italic;
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: var(--color-text-light);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

/* ========================================
   Welcome Section
   ======================================== */
.welcome-section {
    padding: var(--spacing-xxl) var(--spacing-md);
    text-align: center;
}

.welcome-text {
    font-size: clamp(1rem, 2.5vw, 1.125rem);
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
    color: var(--color-text-light);
    line-height: 1.8;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.btn:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    text-decoration: none;
    color: white;
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-secondary:hover,
.btn-secondary:focus {
    background-color: var(--color-primary);
    color: white;
    text-decoration: none;
}

/* ========================================
   Page Header
   ======================================== */
.page-header {
    padding: var(--spacing-xl) var(--spacing-md);
    text-align: center;
    background-color: var(--color-bg-light);
    border-bottom: 1px solid var(--color-border);
}

.page-header h1 {
    margin-bottom: 0;
}

/* ========================================
   Content Sections
   ======================================== */
.content-section {
    padding: var(--spacing-xxl) var(--spacing-md);
}

.story-content {
    max-width: 900px;
    margin: 0 auto var(--spacing-xl);
}

.story-image-container {
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.story-image {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.story-text {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-text);
}

.story-text p {
    margin-bottom: var(--spacing-lg);
}

.memory-callout {
    background-color: var(--color-bg-accent);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--color-primary);
    max-width: 600px;
    margin: var(--spacing-xl) auto 0;
}

.memory-callout h2 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

/* ========================================
   Memories Page
   ======================================== */
.memories-intro {
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
    text-align: center;
    font-size: 1.125rem;
    color: var(--color-text-light);
    line-height: 1.8;
}

.existing-memories {
    margin-bottom: var(--spacing-xxl);
}

.existing-memories h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.memory-cards {
    display: grid;
    gap: var(--spacing-lg);
    max-width: 900px;
    margin: 0 auto;
}

.memory-card {
    background-color: var(--color-bg-accent);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--color-primary);
}

.memory-author {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
    margin: var(--spacing-lg) 0 var(--spacing-xs) 0;
    text-align: right;
}

.memory-date {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    font-style: italic;
    margin: 0;
    text-align: right;
}

.memory-text {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-text);
    margin: 0 0 var(--spacing-md) 0;
}

.memory-text:last-child {
    margin-bottom: 0;
}

.share-memory {
    max-width: 700px;
    margin: 0 auto;
}

.share-memory h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

/* ========================================
   Forms
   ======================================== */
.memory-form {
    background-color: var(--color-bg-accent);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
}

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

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--color-text);
}

.required {
    color: var(--color-primary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    font-family: var(--font-sans);
    font-size: 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    background-color: var(--color-bg);
    color: var(--color-text);
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(44, 95, 79, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-actions {
    text-align: center;
    margin-top: var(--spacing-lg);
}

/* ========================================
   Pictures Page
   ======================================== */
.pictures-intro {
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
    text-align: center;
    font-size: 1.125rem;
    color: var(--color-text-light);
    line-height: 1.8;
}

.filter-pills {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-bottom: var(--spacing-xl);
}

.filter-pill {
    padding: var(--spacing-xs) var(--spacing-md);
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    font-weight: 500;
    background-color: var(--color-bg);
    color: var(--color-text);
    border: 2px solid var(--color-border);
    border-radius: 2rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.filter-pill:hover,
.filter-pill:focus {
    border-color: var(--color-primary);
    color: var(--color-primary);
    outline: none;
}

.filter-pill.active {
    background-color: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.filter-pill:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ========================================
   Photo Gallery (Masonry)
   ======================================== */
.photo-gallery {
    column-count: 1;
    column-gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

@media (min-width: 480px) {
    .photo-gallery {
        column-count: 2;
    }
}

@media (min-width: 768px) {
    .photo-gallery {
        column-count: 3;
    }
}

@media (min-width: 1024px) {
    .photo-gallery {
        column-count: 4;
    }
}

@media (min-width: 1400px) {
    .photo-gallery {
        column-count: 5;
    }
}

.photo-card {
    break-inside: avoid;
    margin-bottom: var(--spacing-md);
    background-color: var(--color-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    cursor: pointer;
}

.photo-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.photo-card.hidden {
    display: none;
}

.photo-card img {
    width: 100%;
    height: auto;
    display: block;
}

.photo-card-info {
    padding: var(--spacing-sm);
}

.photo-card-caption {
    font-size: 0.9375rem;
    line-height: 1.5;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.photo-card-era {
    font-size: 0.875rem;
    color: var(--color-text-light);
    font-style: italic;
}

/* ========================================
   Lightbox
   ======================================== */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox[hidden] {
    display: none;
}

.lightbox-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    cursor: pointer;
}

.lightbox-content {
    position: relative;
    z-index: 1001;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.lightbox-img {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    border-radius: var(--border-radius);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.lightbox-info {
    margin-top: var(--spacing-md);
    text-align: center;
    color: white;
    max-width: 600px;
}

.lightbox-caption {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
}

.lightbox-era {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.8);
    font-style: italic;
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
    position: absolute;
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    width: 48px;
    height: 48px;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    z-index: 1002;
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover,
.lightbox-close:focus,
.lightbox-prev:focus,
.lightbox-next:focus {
    background-color: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    outline: none;
}

.lightbox-close {
    top: var(--spacing-md);
    right: var(--spacing-md);
}

.lightbox-prev {
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-next {
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
}

@media (max-width: 768px) {
    .lightbox-prev,
    .lightbox-next {
        display: none;
    }
}

/* ========================================
   Footer
   ======================================== */
.site-footer {
    background-color: var(--color-bg-light);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: center;
    color: var(--color-text-light);
    font-size: 0.9375rem;
}

.site-footer p {
    margin-bottom: var(--spacing-xs);
}

.site-footer a {
    color: var(--color-primary);
}

.site-footer a:hover,
.site-footer a:focus {
    color: var(--color-primary-dark);
}

/* ========================================
   Responsive Adjustments
   ======================================== */
@media (max-width: 768px) {
    .hero {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .welcome-section {
        padding: var(--spacing-xl) var(--spacing-md);
    }
    
    .content-section {
        padding: var(--spacing-xl) var(--spacing-md);
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn {
        width: 100%;
    }
    
    .main-nav ul {
        gap: var(--spacing-sm);
    }
    
    .main-nav a {
        font-size: 1rem;
    }
}