/* Base Styles - Green Earth Tone Theme */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Green earth-tone color palette */
    --color-primary: #6B8E5A;
    --color-secondary: #A8C098;
    --color-accent: #C4D4B8;
    --color-dark: #4A5C3F;
    --color-light: #F0F5ED;
    --color-text: #2F3A29;
    --color-text-light: #5A6B4F;
    
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    
    --transition: all 0.3s ease;
}

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

body {
    font-family: var(--font-primary);
    color: var(--color-text);
    line-height: 1.7;
    background-color: #fff;
    -webkit-font-smoothing: antialiased;
}

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

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
}

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

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

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

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

a:hover {
    color: var(--color-dark);
    text-decoration: underline;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
}

/* Header */
.header {
    background-color: #fff;
    border-bottom: 1px solid var(--color-accent);
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 600;
    color: var(--color-dark);
    text-decoration: none;
}

.logo svg {
    flex-shrink: 0;
}

.logo-text {
    font-size: 1.125rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-menu a {
    color: var(--color-text);
    font-weight: 500;
    padding: var(--spacing-xs) 0;
    text-decoration: none;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--color-primary);
    text-decoration: none;
    border-bottom: 2px solid var(--color-primary);
}

/* Page Hero */
.page-hero {
    background: linear-gradient(135deg, var(--color-light) 0%, #fff 50%, var(--color-accent) 100%);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.page-hero h1 {
    margin-bottom: var(--spacing-sm);
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    color: var(--color-text-light);
    max-width: 700px;
    margin: 0 auto;
}

/* Mission Section */
.mission {
    padding: var(--spacing-xl) 0;
    background: #fff;
}

.mission-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

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

.mission-content p {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.mission-visual {
    margin-top: var(--spacing-lg);
    display: flex;
    justify-content: center;
}

.visual-card {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: #fff;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    max-width: 400px;
    box-shadow: 0 8px 24px rgba(107, 142, 90, 0.2);
}

.visual-card .card-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-sm);
}

.visual-card h3 {
    color: #fff;
    margin-bottom: var(--spacing-sm);
}

.visual-card p {
    color: rgba(255, 255, 255, 0.9);
}

/* Values Section */
.values {
    padding: var(--spacing-xl) 0;
    background: var(--color-light);
}

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

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.value-card {
    background: #fff;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
    transition: var(--transition);
    border-top: 4px solid var(--color-primary);
}

.value-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.value-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.value-card h3 {
    margin-bottom: var(--spacing-xs);
    color: var(--color-primary);
}

.value-card p {
    line-height: 1.7;
}

/* Approach Detail */
.approach-detail {
    padding: var(--spacing-xl) 0;
    background: #fff;
}

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

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

.step {
    background: var(--color-light);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-primary);
}

.step-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-primary);
    opacity: 0.3;
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.step h3 {
    margin-bottom: var(--spacing-xs);
    color: var(--color-dark);
}

.step p {
    line-height: 1.7;
}

/* Team Section */
.team {
    padding: var(--spacing-xl) 0;
    background: var(--color-light);
}

.team h2 {
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.section-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
    font-size: 1.125rem;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-md);
}

.team-member {
    background: #fff;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

.member-avatar {
    font-size: 4rem;
    margin-bottom: var(--spacing-sm);
}

.team-member h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--color-primary);
}

.team-member p {
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Timeline */
.timeline {
    padding: var(--spacing-xl) 0;
    background: #fff;
}

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

.timeline-list {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline-list::before {
    content: '';
    position: absolute;
    left: 100px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-accent);
}

.timeline-item {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.timeline-year {
    width: 100px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    flex-shrink: 0;
}

.timeline-content {
    flex: 1;
    background: var(--color-light);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-primary);
}

.timeline-content h3 {
    margin-bottom: var(--spacing-xs);
    color: var(--color-dark);
}

.timeline-content p {
    line-height: 1.7;
}

@media (max-width: 768px) {
    .timeline-list::before {
        left: 60px;
    }
    
    .timeline-year {
        width: 60px;
        font-size: 1.25rem;
    }
}

/* CTA Section */
.cta-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary) 100%);
    text-align: center;
    color: #fff;
}

.cta-section h2 {
    color: #fff;
    margin-bottom: var(--spacing-sm);
}

.cta-section p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: #fff;
    color: var(--color-primary);
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: var(--transition);
    text-decoration: none;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    text-decoration: none;
}

/* Footer */
.footer {
    background: var(--color-dark);
    color: var(--color-accent);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

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

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

.footer-section p {
    color: var(--color-accent);
    line-height: 1.7;
}

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

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-section a {
    color: var(--color-accent);
}

.footer-section a:hover {
    color: #fff;
    text-decoration: none;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(196, 212, 184, 0.2);
}

.footer-bottom p {
    color: var(--color-accent);
}

@media (max-width: 768px) {
    .nav-menu {
        gap: var(--spacing-sm);
        font-size: 0.9rem;
    }
    
    section {
        padding: var(--spacing-md) 0;
    }
    
    .values-grid,
    .approach-steps,
    .team-grid {
        grid-template-columns: 1fr;
    }
}