/* ========================================
   Museum of Living Heritage - Stylesheet
   Clean, crisp design inspired by kampamba.house
   ======================================== */

/* CSS Custom Properties */
:root {
    /* Primary Brand Color - Deep Teal */
    --color-primary: #2D6A6A;
    --color-primary-dark: #1E4A4A;
    --color-primary-light: #4A8F8F;

    /* Accent Color - Warm Terracotta */
    --color-accent: #C27C5C;
    --color-accent-light: #E8A88A;

    /* Neutrals - High Contrast */
    --color-black: #1F1F1F;
    --color-dark-gray: #333333;
    --color-gray: #5C5C5C;
    --color-medium-gray: #8A8A8A;
    --color-light-gray: #E5E5E5;
    --color-off-white: #FAF8F6;
    --color-white: #FFFFFF;

    /* Subtle Background Tints */
    --color-warm-cream: #FDFBF8;
    --color-sand: #F5F1EB;

    /* Colorful Palette - for variety */
    --color-teal: #2D6A6A;
    --color-terracotta: #C27C5C;
    --color-ochre: #D4A03C;
    --color-plum: #7B506F;
    --color-forest: #4A7C59;
    --color-rust: #A45A3D;
    --color-navy: #3D5A6F;
    --color-burgundy: #6B3A3A;

    /* Light versions for backgrounds - Black, Brown, White */
    --color-teal-light: #FFFFFF;
    --color-terracotta-light: #F5F0EB;
    --color-ochre-light: #FFFFFF;
    --color-plum-light: #2C2420;
    --color-forest-light: #F5F0EB;
    --color-rust-light: #FFFFFF;
    --color-navy-light: #2C2420;

    /* Legacy compatibility */
    --color-sage: #4A7C59;
    --color-sage-light: #F2F7F4;

    /* Focus state */
    --color-focus: #FFD700;

    /* Typography */
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Open Sans', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing - More generous */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2.5rem;
    --spacing-xl: 4rem;
    --spacing-xxl: 7rem;

    /* Border Radius - Softer corners */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Shadows - Softer, more subtle */
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.1);
    --shadow-hover: 0 12px 48px rgba(0,0,0,0.12);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-black);
    background-color: var(--color-white);
    letter-spacing: -0.01em;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

a:hover {
    color: var(--color-primary-dark);
}

/* Focus States for Accessibility */
a:focus,
button:focus,
input:focus,
select:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
}

/* Skip Link */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-sm) var(--spacing-md);
    z-index: 1000;
    border-radius: var(--radius-sm);
}

.skip-link:focus {
    top: var(--spacing-sm);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.hero .container {
    padding-left: var(--spacing-xl);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 500;
    line-height: 1.2;
    color: var(--color-black);
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 600;
}

h2 {
    font-size: clamp(1.875rem, 3.5vw, 2.5rem);
}

h3 {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    font-weight: 600;
}

p {
    color: var(--color-dark-gray);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
}

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

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: var(--color-accent);
    color: var(--color-white);
}

.btn-secondary:hover {
    background-color: var(--color-accent-light);
    color: var(--color-white);
}

.btn-filter {
    background-color: var(--color-sand);
    color: var(--color-dark-gray);
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
}

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

/* ========================================
   Header
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 100;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.header-top .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: var(--spacing-lg);
}

.logo {
    position: absolute;
    left: var(--spacing-lg);
    top: 50%;
    transform: translateY(-50%);
}

.logo a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-black);
}

.logo-icon {
    flex-shrink: 0;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: -0.02em;
}

.main-nav {
    display: none;
}

@media (min-width: 768px) {
    .main-nav {
        display: block;
        margin-left: auto;
    }
}

.nav-list {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-list > li {
    display: flex;
    align-items: center;
}

.nav-list a {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-dark-gray);
    padding: var(--spacing-xs) 0;
    position: relative;
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1.5px;
    background-color: var(--color-primary);
    transition: width var(--transition-normal);
}

.nav-list a:hover {
    color: var(--color-primary);
}

.nav-list a:hover::after {
    width: 100%;
}

/* Dropdown Menu */
.nav-dropdown {
    position: relative;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.dropdown-toggle::after {
    content: '';
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid currentColor;
    transition: transform var(--transition-fast);
    position: static;
    background: none;
}

.nav-dropdown:hover .dropdown-toggle::after {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    min-width: 180px;
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 0.5rem 0;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    z-index: 200;
    list-style: none;
}

.dropdown-menu::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 8px solid var(--color-white);
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu a {
    display: block;
    padding: 0.75rem 1.25rem;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-dark-gray);
    transition: all var(--transition-fast);
}

.dropdown-menu a:hover {
    background: var(--color-sand);
    color: var(--color-primary);
}

.dropdown-menu a::after {
    display: none;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.search-btn {
    background: none;
    border: none;
    padding: var(--spacing-xs);
    cursor: pointer;
    color: var(--color-dark-gray);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.search-btn:hover {
    color: var(--color-primary);
    background: var(--color-sand);
}

.mobile-menu-btn {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    padding: var(--spacing-xs);
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 22px;
    height: 1.5px;
    background-color: var(--color-dark-gray);
    transition: var(--transition-fast);
}

@media (min-width: 768px) {
    .mobile-menu-btn {
        display: none;
    }
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    height: 85vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    margin-top: 72px;
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to right,
        rgba(26, 26, 26, 0.7) 0%,
        rgba(26, 26, 26, 0.4) 50%,
        rgba(26, 26, 26, 0.2) 100%
    );
}

.hero-content {
    position: relative;
    max-width: 520px;
    color: var(--color-white);
    text-align: left;
    margin-left: 0;
    padding-left: 0;
}

.hero-content h1 {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

.hero-content p {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
    color: rgba(255,255,255,0.9);
    line-height: 1.7;
}

/* ========================================
   Section Styles
   ======================================== */
section {
    padding: var(--spacing-xxl) 0;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
}

.section-header h2 {
    margin-bottom: var(--spacing-sm);
}

.section-header p {
    color: var(--color-dark-gray);
    font-size: 1.125rem;
    line-height: 1.7;
}

/* ========================================
   Topics Carousel Section
   ======================================== */
.topics-section {
    background: var(--color-teal-light);
    padding: var(--spacing-xxl) 0;
    border-bottom: none;
}

.topics-carousel-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.topics-carousel {
    display: flex;
    gap: var(--spacing-lg);
    overflow-x: auto;
    scroll-behavior: smooth;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding: var(--spacing-sm) 0;
    scroll-snap-type: x mandatory;
}

.topics-carousel::-webkit-scrollbar {
    display: none;
}

.topic-card {
    flex: 0 0 320px;
    background: #EAEAEA;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: none;
    transition: all var(--transition-normal);
    scroll-snap-align: start;
}

.topic-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.topic-card-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.topic-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.topic-card:hover .topic-card-image img {
    transform: scale(1.08);
}

.topic-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        transparent 0%,
        rgba(29, 112, 68, 0.2) 100%
    );
}

.topic-card-content {
    padding: var(--spacing-md);
}

.topic-tag {
    display: inline-block;
    background: var(--color-primary);
    color: var(--color-white);
    padding: 0.25rem 0.75rem;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-sm);
    margin-bottom: 0.75rem;
}

/* Colorful topic tags */
.topic-card:nth-child(1) .topic-tag { background: var(--color-plum); }
.topic-card:nth-child(2) .topic-tag { background: var(--color-navy); }
.topic-card:nth-child(3) .topic-tag { background: var(--color-ochre); }
.topic-card:nth-child(4) .topic-tag { background: var(--color-rust); }
.topic-card:nth-child(5) .topic-tag { background: var(--color-forest); }
.topic-card:nth-child(6) .topic-tag { background: var(--color-burgundy); }

.topic-card-content h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--color-black);
}

.topic-card-content p {
    font-size: 0.9375rem;
    color: var(--color-dark-gray);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

/* Carousel Navigation Buttons */
.carousel-btn {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-white);
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.carousel-btn:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: scale(1.1);
}

.carousel-btn:active {
    transform: scale(0.95);
}

@media (max-width: 767px) {
    .carousel-btn {
        display: none;
    }

    .topic-card {
        flex: 0 0 280px;
    }
}

/* ========================================
   Explorer Section with Filters
   ======================================== */
.explorer-section {
    background-color: var(--color-terracotta-light);
}

.filter-controls {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    justify-content: center;
    align-items: flex-end;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    min-width: 200px;
}

.filter-group label {
    font-weight: 600;
    color: var(--color-dark-gray);
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.filter-group select {
    padding: 0.75rem 1rem;
    font-size: 0.9375rem;
    font-family: var(--font-body);
    border: 1.5px solid var(--color-sand);
    border-radius: var(--radius-sm);
    background-color: var(--color-white);
    color: var(--color-dark-gray);
    cursor: pointer;
    transition: all var(--transition-fast);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236B6B6B' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.filter-group select:hover {
    border-color: var(--color-medium-gray);
}

.filter-group select:focus {
    border-color: var(--color-primary);
    outline: none;
}

/* History Cards Grid */
.history-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: var(--spacing-lg);
}

.history-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.history-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}

.history-card-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.history-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.history-card:hover .history-card-image img {
    transform: scale(1.05);
}

.history-card-tag {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    background: var(--color-primary);
    color: var(--color-white);
    padding: 0.375rem 0.875rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    border-radius: var(--radius-sm);
}

/* Category-based tag colors */
.history-card[data-category="museum"] .history-card-tag { background: var(--color-navy); }
.history-card[data-category="waterfall"] .history-card-tag { background: var(--color-teal); }
.history-card[data-category="historic-building"] .history-card-tag { background: var(--color-terracotta); }
.history-card[data-category="monument"] .history-card-tag { background: var(--color-ochre); }
.history-card[data-category="rock-art"] .history-card-tag { background: var(--color-rust); }
.history-card[data-category="archaeological-site"] .history-card-tag { background: var(--color-plum); }

.history-card-content {
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-lg);
}

.history-card-meta {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    font-size: 0.8125rem;
    color: var(--color-medium-gray);
}

.history-card-content h3 {
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.history-card-content p {
    color: var(--color-dark-gray);
    font-size: 0.9375rem;
    line-height: 1.65;
}

.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-weight: 600;
    font-size: 0.875rem;
    margin-top: var(--spacing-sm);
    color: var(--color-primary);
}

.link-arrow::after {
    content: '→';
    transition: transform var(--transition-fast);
}

.link-arrow:hover::after {
    transform: translateX(4px);
}

/* No Results */
.no-results {
    text-align: center;
    padding: var(--spacing-xxl);
    color: var(--color-dark-gray);
}

.no-results h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark-gray);
}

/* ========================================
   Timeline Section
   ======================================== */
.timeline-section {
    background: var(--color-plum-light);
    border-top: none;
    border-bottom: none;
}

.timeline-section .section-header h2,
.timeline-section .section-header p {
    color: var(--color-white);
}

.timeline {
    position: relative;
    max-width: 700px;
    margin: 0 auto;
    padding-left: var(--spacing-xl);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 6px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom,
        var(--color-terracotta) 0%,
        var(--color-ochre) 50%,
        var(--color-accent-light) 100%
    );
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    padding-bottom: var(--spacing-xl);
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: calc(-1 * var(--spacing-xl) + 0px);
    top: 4px;
    width: 14px;
    height: 14px;
    background: var(--color-accent);
    border: 3px solid var(--color-white);
    border-radius: 50%;
    z-index: 1;
    transition: all var(--transition-fast);
}

.timeline-item:hover .timeline-marker {
    background: var(--color-white);
    border-color: var(--color-accent);
    transform: scale(1.3);
}

.timeline-content {
    background: var(--color-white);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    border-left: 3px solid var(--color-primary);
}

.timeline-item:hover .timeline-content {
    box-shadow: var(--shadow-md);
}

.timeline-date {
    display: inline-block;
    background: var(--color-accent);
    color: var(--color-white);
    padding: 0.25rem 0.75rem;
    font-size: 0.8125rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    margin-bottom: 0.75rem;
}

/* Colorful timeline dates */
.timeline-item:nth-child(1) .timeline-date { background: var(--color-teal); }
.timeline-item:nth-child(2) .timeline-date { background: var(--color-forest); }
.timeline-item:nth-child(3) .timeline-date { background: var(--color-ochre); }
.timeline-item:nth-child(4) .timeline-date { background: var(--color-terracotta); }
.timeline-item:nth-child(5) .timeline-date { background: var(--color-plum); }
.timeline-item:nth-child(6) .timeline-date { background: var(--color-navy); }

.timeline-content h3 {
    margin-bottom: 0.5rem;
}

.timeline-content p {
    color: var(--color-dark-gray);
    font-size: 0.9375rem;
    line-height: 1.65;
}

/* ========================================
   Contribute Section
   ======================================== */
.contribute-section {
    background: #FAF8F6;
}

/* Topic Contributions */
.topic-contributions {
    margin-bottom: var(--spacing-xl);
}

.topic-contributions h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-black);
}

.topic-contributions > p {
    color: var(--color-gray);
    margin-bottom: var(--spacing-lg);
}

.topic-contrib-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.topic-contrib-card {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: #EAEAEA;
    border-radius: var(--radius-md);
    box-shadow: none;
    transition: all var(--transition-normal);
    text-decoration: none;
}

.topic-contrib-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.topic-contrib-icon {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
}

.topic-contrib-card h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-black);
    margin-bottom: 0.25rem;
}

.topic-contrib-card p {
    font-size: 0.875rem;
    color: var(--color-gray);
    line-height: 1.5;
    margin: 0;
}

.contribute-divider {
    display: flex;
    align-items: center;
    margin: var(--spacing-xl) 0;
}

.contribute-divider::before,
.contribute-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--color-medium-gray);
}

.contribute-divider span {
    padding: 0 var(--spacing-md);
    color: var(--color-gray);
    font-size: 0.9375rem;
    font-weight: 500;
}

.contribute-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

@media (min-width: 900px) {
    .contribute-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.contribute-form-wrapper {
    background: #EAEAEA;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: none;
}

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

.contribute-form label {
    display: block;
    font-weight: 600;
    color: var(--color-dark-gray);
    margin-bottom: 0.5rem;
    font-size: 0.9375rem;
}

.contribute-form input[type="text"],
.contribute-form input[type="email"],
.contribute-form select,
.contribute-form textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 0.9375rem;
    font-family: var(--font-body);
    border: 2px solid var(--color-sand);
    border-radius: var(--radius-md);
    background: var(--color-white);
    color: var(--color-dark-gray);
    transition: border-color var(--transition-fast);
}

.contribute-form input:focus,
.contribute-form select:focus,
.contribute-form textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

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

.file-upload {
    border: 2px dashed var(--color-light-gray);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    color: var(--color-dark-gray);
}

.file-upload:hover {
    border-color: var(--color-primary);
    background: var(--color-sage-light);
}

.file-upload svg {
    margin-bottom: 0.5rem;
}

.file-upload span {
    display: block;
    font-size: 0.9375rem;
}

.voice-recorder {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.record-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    background: var(--color-accent);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.record-btn:hover {
    background: var(--color-primary);
    transform: translateY(-2px);
}

.record-btn.recording {
    background: #dc3545;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.recording-status {
    font-size: 0.875rem;
    color: var(--color-dark-gray);
}

.submit-btn {
    width: 100%;
    margin-top: var(--spacing-sm);
}

/* Recent Contributions */
.recent-contributions h3 {
    margin-bottom: var(--spacing-md);
    color: var(--color-black);
}

.contribution-card {
    background: #EAEAEA;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    box-shadow: none;
    transition: all var(--transition-fast);
}

.contribution-card:hover {
    box-shadow: var(--shadow-md);
}

.contribution-image {
    margin: var(--spacing-sm) 0;
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 16/9;
}

.contribution-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.contribution-card:hover .contribution-image img {
    transform: scale(1.03);
}

.contribution-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.contributor-avatar {
    width: 40px;
    height: 40px;
    background: var(--color-teal);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
}

/* Colorful avatars */
.contribution-card:nth-child(1) .contributor-avatar { background: var(--color-plum); }
.contribution-card:nth-child(2) .contributor-avatar { background: var(--color-forest); }
.contribution-card:nth-child(3) .contributor-avatar { background: var(--color-terracotta); }

.contribution-header strong {
    display: block;
    color: var(--color-dark-gray);
    font-size: 0.9375rem;
}

.contribution-date {
    font-size: 0.8125rem;
    color: var(--color-medium-gray);
}

.contribution-card h4 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: var(--color-dark-gray);
}

.contribution-card p {
    font-size: 0.9375rem;
    color: var(--color-dark-gray);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

.contribution-meta {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.period-tag {
    background: var(--color-light-gray);
    color: var(--color-dark-gray);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

.has-audio,
.has-photos {
    font-size: 0.75rem;
    color: var(--color-primary);
    font-weight: 500;
}

/* ========================================
   About Section
   ======================================== */
.about-section {
    background: var(--color-forest-light);
    border-top: none;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

@media (min-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-xxl);
    }
}

.about-content h2 {
    margin-bottom: var(--spacing-md);
}

.about-content p {
    color: var(--color-dark-gray);
    margin-bottom: var(--spacing-md);
    font-size: 1.0625rem;
    line-height: 1.75;
}

.about-image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

/* ========================================
   Newsletter Section
   ======================================== */
.newsletter-section {
    background: linear-gradient(135deg, var(--color-teal) 0%, var(--color-navy) 100%);
    color: var(--color-white);
}

.newsletter-content {
    text-align: center;
    max-width: 500px;
    margin: 0 auto;
}

.newsletter-content h2 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.newsletter-content p {
    color: rgba(255,255,255,0.85);
    margin-bottom: var(--spacing-lg);
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    justify-content: center;
}

.newsletter-form input {
    flex: 1;
    min-width: 250px;
    padding: 0.875rem 1.25rem;
    font-size: 0.9375rem;
    font-family: var(--font-body);
    border: none;
    border-radius: var(--radius-md);
    background: var(--color-white);
}

.newsletter-form input::placeholder {
    color: var(--color-medium-gray);
}

.newsletter-form .btn {
    background: var(--color-black);
}

.newsletter-form .btn:hover {
    background: var(--color-dark-gray);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--color-black);
    color: var(--color-white);
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand .logo {
    margin-bottom: var(--spacing-md);
}

.footer-brand .logo-text {
    color: var(--color-white);
}

.footer-brand p {
    color: var(--color-medium-gray);
    font-size: 0.9375rem;
    line-height: 1.65;
}

.footer-links h4 {
    color: var(--color-white);
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-md);
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--color-medium-gray);
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-white);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-bottom p {
    color: var(--color-medium-gray);
    font-size: 0.875rem;
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

.footer-social a {
    color: var(--color-medium-gray);
    font-size: 0.875rem;
    font-weight: 500;
}

.footer-social a:hover {
    color: var(--color-white);
}

/* ========================================
   Responsive Adjustments
   ======================================== */
@media (max-width: 767px) {
    .hero {
        height: 75vh;
        min-height: 500px;
    }

    .filter-controls {
        flex-direction: column;
        align-items: stretch;
        padding: var(--spacing-md);
    }

    .filter-group {
        min-width: 100%;
    }

    .timeline {
        padding-left: var(--spacing-lg);
    }

    .timeline::before {
        left: 4px;
    }

    .timeline-marker {
        left: calc(-1 * var(--spacing-lg) + 0px);
        width: 12px;
        height: 12px;
    }

    .history-grid {
        grid-template-columns: 1fr;
    }

    section {
        padding: var(--spacing-xl) 0;
    }
}