/* Professional Corporate CSS for Bright Homes Energy Initiative */

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

:root {
    /* Professional Color Palette */
    --primary-navy: #1e293b;
    --secondary-blue: #334155;
    --accent-green: #059669;
    --light-green: #10b981;
    --neutral-gray: #64748b;
    --light-gray: #f1f5f9;
    --white: #ffffff;
    --text-dark: #0f172a;
    --text-medium: #475569;
    --border-color: #e2e8f0;
    --section-soft: #f8fafc;
    --section-mid: #eef2f7;
    --section-contrast: #e2e8f0;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Container */
    --max-width: 1200px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--text-dark);
    background-color: var(--white);
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-medium);
}

/* Navigation */
.header {
    background: var(--primary-navy);
    background-image: url('Top\ bar.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(30, 41, 59, 0.7);
    z-index: -1;
}

.nav {
    padding: var(--spacing-sm) 0;
    position: relative;
    z-index: 1;
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
    display: flex;
    justify-content: flex-start;
    align-items: center;
    min-height: 60px;
    gap: var(--spacing-lg);
}

.nav-logo {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    white-space: nowrap;
    flex-shrink: 0;
    margin-right: var(--spacing-md);
}

.header-logo {
    max-width: 80px;
    max-height: 80px;
    width: auto;
    height: auto;
    object-fit: contain;
    margin-bottom: var(--spacing-xs);
    align-self: flex-start;
}

.nav-logo .logo-text {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--white);
    margin: 0;
    line-height: 1;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.nav-logo .logo-subtitle {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
    font-weight: 400;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: var(--spacing-sm);
    margin: 0;
    padding: 0;
    flex-wrap: nowrap;
    flex-grow: 1;
    justify-content: flex-end;
}

.nav-link {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    font-size: 0.8rem;
    transition: all 0.3s ease;
    padding: var(--spacing-xs) var(--spacing-xs);
    border-radius: var(--radius-sm);
    position: relative;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
    color: var(--white);
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-1px);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 2px;
    background: var(--light-green);
    border-radius: 1px;
}

/* Donate Button Styling */
.nav-donate {
    background: var(--accent-green) !important;
    color: var(--white) !important;
    border-radius: var(--radius-md) !important;
    padding: var(--spacing-sm) var(--spacing-md) !important;
    font-weight: 600 !important;
    margin-left: var(--spacing-sm);
    box-shadow: 0 2px 4px rgba(5, 150, 105, 0.3);
}

.nav-donate:hover {
    background: var(--light-green) !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(5, 150, 105, 0.4);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    position: relative;
    z-index: 2;
}

.nav-toggle span {
    width: 24px;
    height: 3px;
    background: var(--white);
    margin: 2px 0;
    transition: 0.3s;
    border-radius: 2px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* Buttons */
.btn-primary,
.btn-secondary {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background: var(--light-green);
    transform: translateY(-1px);
}

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

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--secondary-blue) 100%);
    color: var(--white);
    padding: var(--spacing-xxl) 0;
}

.hero-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--light-green);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-photo {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    object-fit: cover;
}

.placeholder-image {
    width: 100%;
    height: 300px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px dashed rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.7);
    font-style: italic;
    text-align: center;
}

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

main > section:not(.hero) {
    border-top: 1px solid rgba(15, 23, 42, 0.08);
}

main > section:not(.hero)::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 8px;
    background: linear-gradient(
        90deg,
        rgba(5, 150, 105, 0.18),
        rgba(30, 41, 59, 0.12),
        rgba(5, 150, 105, 0.18)
    );
}

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

.section-title {
    color: var(--primary-navy);
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--neutral-gray);
}

/* About Section */
.about {
    background: linear-gradient(180deg, var(--section-soft) 0%, var(--section-mid) 100%);
}

.about-image-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto var(--spacing-xl) auto;
    text-align: center;
}

.about-main-image {
    width: 100%;
    max-width: 100%;
    height: 400px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    object-fit: cover;
    object-position: center 75%;
    aspect-ratio: 3 / 1;
}

.about-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.about-text h3 {
    color: var(--primary-navy);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.about-text h3:first-child {
    margin-top: 0;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.stat-card {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.stat-card h4 {
    color: var(--accent-green);
    margin-bottom: var(--spacing-xs);
}

/* Inline Impact Cards for About Section */
.impact-grid-inline {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    margin: var(--spacing-xl) 0;
    max-width: none;
    width: 100%;
}

.impact-card-inline {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--accent-green);
    min-height: 400px;
}

.impact-card-inline h4 {
    color: var(--primary-navy);
    margin-bottom: var(--spacing-sm);
}

.impact-stat-inline {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-green);
    margin-bottom: var(--spacing-sm);
}

.impact-card-inline ul {
    list-style: none;
    padding: 0;
    margin-top: var(--spacing-sm);
}

.impact-card-inline li {
    position: relative;
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--text-medium);
}

.impact-card-inline li::before {
    content: '•';
    color: var(--accent-green);
    position: absolute;
    left: 0;
}

/* Impact Section */
.impact {
    background: var(--white);
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.impact-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border-top: 4px solid var(--accent-green);
}

.impact-card h3 {
    color: var(--primary-navy);
    margin-bottom: var(--spacing-sm);
}

.impact-stat {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-green);
    margin-bottom: var(--spacing-sm);
}

.impact-details ul {
    list-style: none;
    padding: 0;
}

.impact-details li {
    position: relative;
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--text-medium);
}

.impact-details li::before {
    content: '•';
    color: var(--accent-green);
    position: absolute;
    left: 0;
}

.impact-cta {
    text-align: center;
}

/* Education Section */
.education {
    background: linear-gradient(180deg, var(--section-soft) 0%, var(--section-contrast) 100%);
}

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

.education-overview h3 {
    color: var(--primary-navy);
    margin-bottom: var(--spacing-sm);
}

.education-modules {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.module-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.module-card h4 {
    color: var(--accent-green);
    margin-bottom: var(--spacing-sm);
}

.education-resources {
    margin-top: var(--spacing-xl);
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.education-resources h3 {
    color: var(--primary-navy);
    margin-bottom: var(--spacing-xs);
}

.education-links {
    list-style: none;
    padding: 0;
    margin: var(--spacing-md) 0 0 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-sm);
}

.education-links a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    background: var(--light-gray);
    color: var(--primary-navy);
    text-decoration: none;
    font-weight: 500;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.education-links a:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

/* Community Stories */
.community {
    background: linear-gradient(180deg, var(--white) 0%, var(--section-soft) 100%);
}

.stories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-xl);
}

.story-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.story-image .placeholder-image {
    height: 200px;
    background: var(--light-gray);
    border: 2px dashed var(--border-color);
    color: var(--neutral-gray);
    margin: 0;
    border-radius: 0;
}

.story-content {
    padding: var(--spacing-lg);
}

.story-content h4 {
    color: var(--primary-navy);
    margin-bottom: var(--spacing-sm);
}

.story-stats {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.story-stats span {
    background: var(--accent-green);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
}

/* Partners Section */
.partners {
    background: linear-gradient(180deg, var(--section-mid) 0%, var(--section-contrast) 100%);
}

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

.partner-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.partner-card h4 {
    color: var(--primary-navy);
    margin-bottom: var(--spacing-sm);
}

.partner-card h4 a {
    color: var(--primary-navy);
    text-decoration: none;
    transition: color 0.3s ease;
}

.partner-card h4 a:hover {
    color: var(--accent-green);
}

.partner-logo-link {
    display: block;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.partner-logo {
    max-width: 150px;
    max-height: 150px;
    width: auto;
    height: auto;
    object-fit: contain;
}

.habitat-logo-large {
    max-width: 250px !important;
    max-height: 250px !important;
    width: auto;
    height: auto;
}

/* Get Involved Section */
.get-involved {
    background: linear-gradient(180deg, var(--white) 0%, var(--section-soft) 100%);
}

/* Funding Need Banner */
.funding-need {
    margin-bottom: var(--spacing-xxl);
    text-align: center;
}

.funding-card {
    background: linear-gradient(135deg, var(--primary-navy), var(--secondary-blue));
    color: var(--white);
    padding: var(--spacing-xxl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    max-width: 800px;
    margin: 0 auto;
}

.funding-card h3 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    color: var(--white);
}

.funding-amount {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--light-green);
    margin-bottom: var(--spacing-md);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* Progress Bar Styling */
.progress-stats {
    margin: var(--spacing-lg) 0;
}

.progress-amount {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.raised {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--light-green);
    display: block;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.total {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-top: var(--spacing-xs);
}

.progress-bar {
    width: 100%;
    height: 20px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    overflow: hidden;
    margin: var(--spacing-md) 0;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-green), var(--light-green));
    border-radius: 10px;
    transition: width 0.3s ease;
    box-shadow: 0 2px 4px rgba(5, 150, 105, 0.4);
}

.progress-percentage {
    text-align: center;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--light-green);
    margin-bottom: var(--spacing-lg);
}

.funding-description {
    color: var(--white) !important;
    font-size: 1.1rem;
    line-height: 1.6;
    text-align: center;
}

/* Current Donors Styling */
.current-donors {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.current-donors h4 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
    text-align: center;
    font-size: 1.3rem;
}

.donor-logos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    justify-items: center;
    align-items: center;
}

.donor-name {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 500;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.donor-name:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
}

.donor-name a {
    color: var(--white);
    text-decoration: none;
}

.donor-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.donor-logo-link {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    transition: all 0.3s ease;
}

.donor-logo-link:hover {
    opacity: 0.8;
}

.donor-logo-white-bg {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    width: 200px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
}

.donor-logo-white-bg:hover {
    opacity: 1;
    box-shadow: var(--shadow-md);
}

.donor-logo {
    max-width: 180px;
    max-height: 80px;
    width: auto;
    height: auto;
    object-fit: contain;
}

.panel-donation-widget {
    margin: var(--spacing-xl) 0;
}

.panel-donation-intro {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.panel-donation-intro h3 {
    color: var(--primary-navy);
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.panel-donation-intro p {
    color: var(--text-gray);
    font-size: 1.1rem;
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto;
}

.panel-calculator {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    max-width: 800px;
    margin: 0 auto;
}

.calculator-container {
    width: 100%;
}

.slider-section {
    margin-bottom: var(--spacing-xl);
}

.slider-label {
    display: block;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-navy);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.slider-label span {
    color: var(--accent-green);
    font-size: 3rem;
}

.panel-slider {
    width: 100%;
    height: 8px;
    border-radius: 5px;
    background: linear-gradient(90deg, var(--accent-green), var(--light-green));
    outline: none;
    -webkit-appearance: none;
    appearance: none;
    margin: var(--spacing-lg) 0;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.panel-slider::-webkit-slider-runnable-track {
    height: 8px;
    border-radius: 5px;
    background: linear-gradient(90deg, var(--accent-green), var(--light-green));
}

.panel-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--white);
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
    border: 3px solid var(--accent-green);
    transition: all 0.3s ease;
    margin-top: -8px;
}

.panel-slider::-webkit-slider-thumb:hover {
    background: var(--light-green);
    border-color: var(--light-green);
    transform: scale(1.1);
    box-shadow: 0 4px 8px rgba(5, 150, 105, 0.4);
}

.panel-slider::-moz-range-track {
    height: 8px;
    border-radius: 5px;
    background: linear-gradient(90deg, var(--accent-green), var(--light-green));
    border: none;
}

.panel-slider::-moz-range-thumb {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--white);
    cursor: pointer;
    border: 3px solid var(--accent-green);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.panel-slider::-moz-range-thumb:hover {
    background: var(--light-green);
    border-color: var(--light-green);
    transform: scale(1.1);
    box-shadow: 0 4px 8px rgba(5, 150, 105, 0.4);
}

.slider-ticks {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-sm);
    font-size: 0.9rem;
    color: var(--text-gray);
}

.calculation-result {
    text-align: center;
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--accent-green), var(--light-green));
    border-radius: var(--radius-lg);
    color: var(--white);
    margin-bottom: var(--spacing-lg);
}

.result-display {
    margin-bottom: var(--spacing-lg);
}

.result-main {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.result-label {
    font-size: 1.1rem;
    opacity: 0.95;
}

.result-amount {
    font-size: 3rem;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.result-detail {
    font-size: 1rem;
    opacity: 0.9;
    margin-top: var(--spacing-sm);
}

.savings-impact {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 2px solid rgba(255, 255, 255, 0.3);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.savings-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.15);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    backdrop-filter: blur(10px);
}

.savings-label {
    font-size: 1rem;
    opacity: 0.95;
    text-align: left;
}

.savings-value {
    font-size: 1.3rem;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.donation-actions {
    margin-top: var(--spacing-lg);
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.donation-actions .btn-primary,
.donation-actions .btn-secondary {
    min-width: 150px;
}

.donation-actions .btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.donation-actions .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.7);
    transform: translateY(-2px);
}

.involvement-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.option-card {
    background: var(--light-gray);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.option-card.major-donor {
    background: var(--white);
    border: 2px solid var(--accent-green);
    box-shadow: var(--shadow-md);
    position: relative;
}

.option-card.major-donor::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-green), var(--light-green));
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.donor-level {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-green);
    margin-bottom: var(--spacing-sm);
    background: var(--light-gray);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    display: inline-block;
}

.option-card:hover {
    border-color: var(--accent-green);
    transform: translateY(-2px);
}

.option-card.major-donor:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.option-card h4 {
    color: var(--primary-navy);
    margin-bottom: var(--spacing-sm);
}

.option-card .btn-primary,
.option-card .btn-secondary {
    margin-top: var(--spacing-md);
}

/* Resources Section */
.resources {
    background: linear-gradient(180deg, var(--section-soft) 0%, var(--section-contrast) 100%);
}

.resource-video {
    margin-bottom: var(--spacing-xl);
}

.video-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.video-title {
    font-size: 3rem;
    font-weight: 800;
    color: #000000;
    margin-bottom: var(--spacing-md);
}

.video-poster {
    position: relative;
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--light-gray);
    box-shadow: var(--shadow-sm);
    text-decoration: none;
}

.video-poster img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.video-poster-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.1), rgba(15, 23, 42, 0.45));
    color: var(--white);
    transition: opacity 0.2s ease;
}

.video-play-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: rgba(5, 150, 105, 0.9);
    position: relative;
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.25);
}

.video-play-icon::before {
    content: '';
    position: absolute;
    left: 26px;
    top: 18px;
    width: 0;
    height: 0;
    border-top: 14px solid transparent;
    border-bottom: 14px solid transparent;
    border-left: 20px solid var(--white);
}

.video-poster-text {
    font-weight: 600;
    letter-spacing: 0.02em;
}

.video-poster:hover .video-poster-overlay {
    opacity: 0.92;
}

.video-caption {
    margin-top: var(--spacing-sm);
    color: var(--neutral-gray);
    font-size: 0.95rem;
}

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

.resource-item {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.resource-item h4 {
    color: var(--primary-navy);
    margin-bottom: var(--spacing-sm);
}

.download-link {
    color: var(--accent-green);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
}

.download-link:hover {
    text-decoration: underline;
}

/* Updates Section */
.updates {
    background: linear-gradient(180deg, var(--white) 0%, var(--section-soft) 100%);
}

.updates-timeline {
    max-width: 800px;
    margin: 0 auto;
}

.update-item {
    padding: var(--spacing-lg);
    border-left: 4px solid var(--accent-green);
    margin-bottom: var(--spacing-lg);
    background: var(--light-gray);
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.update-date {
    color: var(--accent-green);
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xs);
}

.update-item h4 {
    color: var(--primary-navy);
    margin-bottom: var(--spacing-sm);
}

/* Video Section */
.video-section {
    padding: var(--spacing-xxl) 0;
    background: var(--light-gray);
}

.video-container {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: var(--radius-lg);
}

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

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-section h4 {
    color: var(--light-green);
    margin-bottom: var(--spacing-sm);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.875rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: var(--spacing-lg);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

/* Accessibility Styles */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus indicators */
a:focus,
button:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 2px solid var(--accent-green);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --primary-navy: #000000;
        --text-dark: #000000;
        --text-medium: #000000;
        --accent-green: #008000;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Mobile navigation styles */
@media (max-width: 768px) {
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-lg);
        transform: translateY(-10px);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }
    
    .nav-menu.nav-menu-open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-menu li {
        margin: var(--spacing-xs) 0;
    }
    
    .nav-link {
        display: block;
        padding: var(--spacing-sm);
        text-align: center;
        border-radius: var(--radius-md);
    }
    
    .nav-link:hover {
        background: var(--light-gray);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --spacing-sm: 0.75rem;
        --spacing-md: 1rem;
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
        --spacing-xxl: 2.5rem;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .impact-grid {
        grid-template-columns: 1fr;
    }
    
    .education-modules {
        grid-template-columns: 1fr;
    }
    
    .stories-grid {
        grid-template-columns: 1fr;
    }
    
    .partners-grid {
        grid-template-columns: 1fr;
    }
    
    .involvement-options {
        grid-template-columns: 1fr;
    }
    
    .resources-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .nav-container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .btn-primary,
    .btn-secondary {
        padding: var(--spacing-sm);
        font-size: 0.875rem;
        width: 100%;
        text-align: center;
    }
}