/* ===== CSS Variables ===== */
:root {
    --primary-color: #2ecc71;
    --primary-dark: #27ae60;
    --secondary-color: #3498db;
    --secondary-dark: #2980b9;
    --accent-color: #e74c3c;
    --dark-bg: #1a1a2e;
    --dark-card: #16213e;
    --light-bg: #f8f9fa;
    --text-dark: #2c3e50;
    --text-light: #ecf0f1;
    --text-muted: #7f8c8d;
    --border-color: #e0e0e0;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--light-bg);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== Navigation ===== */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo {
    font-size: 2rem;
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    transition: var(--transition);
}

/* ===== Hero Section ===== */
.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    padding: 4rem 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,138.7C960,139,1056,117,1152,101.3C1248,85,1344,75,1392,69.3L1440,64L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
}

.hero-content {
    flex: 1;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.btn {
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    display: inline-block;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 4px 15px rgba(46, 204, 113, 0.4);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(46, 204, 113, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

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

.hero-stats {
    display: flex;
    gap: 3rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.9;
}

.hero-image {
    flex: 1;
    position: relative;
    height: 400px;
}

.floating-card {
    position: absolute;
    font-size: 4rem;
    animation: float 3s ease-in-out infinite;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.2));
}

.card-1 { top: 10%; left: 10%; animation-delay: 0s; }
.card-2 { top: 50%; right: 20%; animation-delay: 0.5s; }
.card-3 { bottom: 20%; left: 30%; animation-delay: 1s; }
.card-4 { top: 30%; right: 10%; animation-delay: 1.5s; }

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* ===== Animations ===== */
.fade-in {
    animation: fadeIn 0.8s ease-out;
}

.fade-in-delay {
    animation: fadeIn 0.8s ease-out 0.2s both;
}

.fade-in-delay-2 {
    animation: fadeIn 0.8s ease-out 0.4s both;
}

.fade-in-delay-3 {
    animation: fadeIn 0.8s ease-out 0.6s both;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Features Section ===== */
.features {
    padding: 6rem 0;
    background: white;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 4rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-muted);
    line-height: 1.8;
}

/* ===== How It Works ===== */
.how-it-works {
    padding: 6rem 0;
    background: var(--light-bg);
}

.steps {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    margin-top: 3rem;
}

.step {
    flex: 1;
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.step:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    margin: 0 auto 1.5rem;
}

.step h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.step p {
    color: var(--text-muted);
}

.step-arrow {
    font-size: 2rem;
    color: var(--primary-color);
}

/* ===== About Section ===== */
.about {
    padding: 6rem 0;
    background: white;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.about-values {
    margin-top: 2rem;
}

.value-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    align-items: flex-start;
}

.value-icon {
    font-size: 2rem;
}

.value-item h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.value-item p {
    font-size: 0.95rem;
    margin: 0;
}

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

.image-placeholder {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
}

.placeholder-icon {
    font-size: 8rem;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.2));
}

/* ===== Contact Section ===== */
.contact {
    padding: 6rem 0;
    background: var(--light-bg);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    margin-top: 3rem;
}

.contact-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    align-items: flex-start;
}

.contact-icon {
    font-size: 2rem;
}

.contact-item h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.contact-item p {
    color: var(--text-muted);
}

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

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

.form-group textarea {
    resize: vertical;
}

/* ===== Footer ===== */
.footer {
    background: var(--dark-bg);
    color: var(--text-light);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--text-light);
    text-decoration: none;
    opacity: 0.8;
    transition: var(--transition);
}

.footer-section a:hover {
    opacity: 1;
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: 1rem;
    flex-direction: column;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.8;
}

/* ===== Tracker Page Styles ===== */
.tracker-section {
    padding: 2rem 0 4rem;
    min-height: calc(100vh - 80px);
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding: 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 20px;
    color: white;
}

.welcome-message h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.streak-badge {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: rgba(255, 255, 255, 0.2);
    padding: 1rem 2rem;
    border-radius: 50px;
    backdrop-filter: blur(10px);
}

.streak-icon {
    font-size: 2.5rem;
}

.streak-info {
    display: flex;
    flex-direction: column;
}

.streak-number {
    font-size: 2rem;
    font-weight: 800;
}

.streak-label {
    font-size: 0.9rem;
    opacity: 0.9;
}

.impact-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.impact-card {
    background: white;
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: var(--transition);
}

.impact-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.impact-icon {
    font-size: 2.5rem;
}

.impact-data {
    display: flex;
    flex-direction: column;
}

.impact-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-color);
}

.impact-label {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.tracker-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 2rem;
}

.tracker-panel {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
}

.panel-title {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.category-section {
    margin-bottom: 2rem;
}

.category-title {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.action-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1rem;
}

.action-btn {
    background: var(--light-bg);
    border: 2px solid var(--border-color);
    padding: 1rem;
    border-radius: 15px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    text-align: center;
}

.action-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

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

.btn-icon {
    font-size: 2rem;
}

.btn-text {
    font-size: 0.9rem;
    font-weight: 600;
}

.btn-value {
    font-size: 0.8rem;
    color: var(--primary-color);
    font-weight: 700;
}

.action-btn:hover .btn-value {
    color: white;
}

.activity-log {
    max-height: 300px;
    overflow-y: auto;
    margin-bottom: 2rem;
}

.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-muted);
}

.empty-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 1rem;
}

.empty-hint {
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

.log-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--light-bg);
    border-radius: 10px;
    margin-bottom: 0.5rem;
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.log-activity {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.log-time {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.log-co2 {
    font-weight: 700;
    color: var(--primary-color);
}

.progress-section {
    margin-bottom: 2rem;
}

.section-subtitle {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.progress-chart {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    height: 200px;
    gap: 0.5rem;
    padding: 1rem;
    background: var(--light-bg);
    border-radius: 10px;
}

.chart-bar {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.bar-fill {
    width: 100%;
    background: linear-gradient(to top, var(--primary-color), var(--secondary-color));
    border-radius: 5px 5px 0 0;
    transition: height 0.5s ease-out;
    min-height: 5px;
}

.bar-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 600;
}

.achievements-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 1rem;
}

.achievement-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    background: var(--light-bg);
    border-radius: 10px;
    transition: var(--transition);
}

.achievement-badge.locked {
    opacity: 0.4;
}

.achievement-badge.unlocked {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    animation: unlock 0.5s ease-out;
}

@keyframes unlock {
    0% { transform: scale(0.8); opacity: 0; }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); opacity: 1; }
}

.badge-icon {
    font-size: 2rem;
}

.badge-name {
    font-size: 0.85rem;
    font-weight: 600;
    text-align: center;
}

.motivation-banner {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 1.5rem;
    border-radius: 15px;
    margin-top: 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow-md);
}

.motivation-icon {
    font-size: 2rem;
}

.motivation-banner p {
    font-size: 1.1rem;
    font-weight: 600;
}

/* ===== Toast Notification ===== */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--dark-bg);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 10px;
    box-shadow: var(--shadow-lg);
    transform: translateY(200px);
    opacity: 0;
    transition: var(--transition);
    z-index: 2000;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast.success {
    background: var(--primary-color);
}

/* ===== Plant-Based Impact Section ===== */
.vegan-impact {
    padding: 6rem 0;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    position: relative;
    overflow: hidden;
}

.vegan-impact::before {
    content: '🌱';
    position: absolute;
    font-size: 20rem;
    opacity: 0.05;
    top: -5rem;
    right: -5rem;
    animation: float 6s ease-in-out infinite;
}

.impact-header {
    margin-bottom: 3rem;
}

/* Attenborough Quote */
.attenborough-quote {
    background: white;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    margin-bottom: 4rem;
    position: relative;
    border-left: 5px solid var(--primary-color);
}

.quote-icon {
    font-size: 3rem;
    position: absolute;
    top: -1.5rem;
    left: 2rem;
    background: white;
    padding: 0 0.5rem;
}

.attenborough-quote blockquote {
    margin: 0;
}

.quote-text {
    font-size: 1.5rem;
    font-style: italic;
    color: var(--text-dark);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.attenborough-quote cite {
    font-size: 1.1rem;
    color: var(--text-muted);
    font-style: normal;
    font-weight: 600;
}

/* Vegan Stats Grid */
.vegan-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.vegan-stat-card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    transition: var(--transition);
    border: 2px solid transparent;
}

.vegan-stat-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.vegan-stat-card .stat-icon {
    font-size: 3rem;
    flex-shrink: 0;
}

.stat-content h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-content p {
    color: var(--text-muted);
    line-height: 1.6;
}

/* Vision Section */
.vision-section {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 3rem;
    border-radius: 20px;
    margin-bottom: 4rem;
    box-shadow: var(--shadow-lg);
}

.vision-content h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.vision-quote {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

.vision-quote p {
    font-size: 1.3rem;
    line-height: 1.8;
    margin-bottom: 1rem;
    font-style: italic;
}

.vision-quote cite {
    font-size: 1rem;
    opacity: 0.9;
    font-style: normal;
}

/* Quick Facts */
.quick-facts {
    margin-bottom: 4rem;
}

.quick-facts h3 {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-dark);
}

.facts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.fact-item {
    background: white;
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    transition: var(--transition);
}

.fact-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.fact-emoji {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.fact-item p {
    color: var(--text-dark);
    line-height: 1.6;
}

.fact-item strong {
    color: var(--primary-color);
}

/* Vegan CTA */
.vegan-cta {
    background: white;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.cta-content h3 {
    font-size: 2rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-quote-small {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 2px solid var(--border-color);
}

.cta-quote-small p {
    font-size: 1.1rem;
    font-style: italic;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.cta-quote-small cite {
    font-size: 0.95rem;
    color: var(--text-muted);
    font-style: normal;
}

/* ===== Logo Styles ===== */
.logo-img {
    width: 50px;
    height: 50px;
    animation: gentle-bounce 3s ease-in-out infinite;
}

@keyframes gentle-bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

/* ===== Pledges Section ===== */
.pledges-section {
    padding: 6rem 0;
    background: white;
}

.pledges-header {
    text-align: center;
    margin-bottom: 4rem;
}

.pledges-logo {
    width: 120px;
    height: 120px;
    margin-bottom: 2rem;
    animation: gentle-bounce 3s ease-in-out infinite;
}

.conservation-message {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a6f 100%);
    color: white;
    padding: 3rem;
    border-radius: 20px;
    margin-bottom: 4rem;
    box-shadow: var(--shadow-lg);
}

.conservation-content h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.conservation-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.conservation-content strong {
    font-weight: 700;
    text-decoration: underline;
}

.pledges-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.pledge-card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    border: 2px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
}

.pledge-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.pledge-card.featured {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, #f0fff4 0%, #e6f7ed 100%);
}

.pledge-badge {
    position: absolute;
    top: -15px;
    right: 20px;
    background: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    box-shadow: var(--shadow-md);
}

.pledge-icon {
    font-size: 4rem;
    text-align: center;
    margin-bottom: 1rem;
}

.pledge-card h3 {
    font-size: 1.8rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
    text-align: center;
}

.pledge-description {
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    text-align: center;
    flex-grow: 1;
}

.pledge-impact {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: rgba(46, 204, 113, 0.1);
    border-radius: 10px;
}

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

.impact-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
}

.impact-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.btn-pledge {
    width: 100%;
    padding: 1rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: 1rem;
}

.btn-pledge:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(46, 204, 113, 0.4);
}

.pledge-count {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.pledge-count span {
    font-weight: 700;
    color: var(--primary-color);
}

/* Success Stories */
.success-stories {
    margin-top: 4rem;
}

.success-stories h3 {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-dark);
}

.stories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.story-card {
    background: var(--light-bg);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.story-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.story-avatar {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 1rem;
}

.story-text {
    font-style: italic;
    color: var(--text-dark);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.story-card cite {
    display: block;
    text-align: right;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ===== Modal Styles ===== */
.modal {
    display: none;
    position: fixed;
    z-index: 3000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s ease-out;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    border-radius: 20px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-close {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 2rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--text-dark);
    transform: rotate(90deg);
}

.modal-header {
    padding: 2rem;
    text-align: center;
    border-bottom: 2px solid var(--border-color);
    position: relative;
}

.modal-logo {
    width: 80px;
    height: 80px;
    margin-bottom: 1rem;
}

.modal-header h2 {
    font-size: 2rem;
    color: var(--text-dark);
}

.modal-body {
    padding: 2rem;
}

.modal-body p {
    color: var(--text-muted);
    margin-bottom: 2rem;
    text-align: center;
}

.modal-body .form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
    font-weight: 600;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.checkbox-group label {
    margin: 0;
    font-weight: normal;
}

.btn-block {
    width: 100%;
}

/* ===== Responsive Design ===== */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: white;
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: var(--shadow-md);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    .hero {
        flex-direction: column;
        text-align: center;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }

    .hero-stats {
        justify-content: center;
        flex-wrap: wrap;
        gap: 2rem;
    }

    .hero-image {
        margin-top: 2rem;
    }

    .steps {
        flex-direction: column;
    }

    .step-arrow {
        transform: rotate(90deg);
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

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

    .dashboard-header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .vegan-stats-grid {
        grid-template-columns: 1fr;
    }

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

    .quote-text {
        font-size: 1.2rem;
    }

    .vision-quote p {
        font-size: 1.1rem;
    }

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

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

    .modal-content {
        width: 95%;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

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

    .impact-cards {
        grid-template-columns: 1fr;
    }

    .action-buttons {
        grid-template-columns: 1fr;
    }

    .toast {
        left: 1rem;
        right: 1rem;
    }
}