/* CSS Variables */
:root {
    --color-primary: #344F2A;
    --color-primary-dark: #263d1f;
    --color-primary-light: #4a6b3d;
    --color-accent: #5a8a47;
    --color-text: #1a1a1a;
    --color-text-light: #666666;
    --color-text-muted: #888888;
    --color-background: #ffffff;
    --color-background-alt: #f8f9fa;
    --color-background-dark: #1a1a1a;
    --color-border: #e5e5e5;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-full: 9999px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 500;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

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

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

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

.btn-outline {
    background-color: transparent;
    color: white;
    border-color: rgba(255,255,255,0.5);
    padding: 8px 20px;
}

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

.btn-large {
    padding: 16px 32px;
    font-size: 17px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: white;
    transition: all var(--transition-medium);
}

.header.scrolled {
    background-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 24px;
}

.logo img {
    height: 36px;
    width: auto;
    transition: opacity var(--transition-medium);
}

.logo .logo-white {
    display: none;
}

.header.scrolled .logo .logo-green {
    display: none;
}

.header.scrolled .logo .logo-white {
    display: block;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    color: var(--color-text);
    font-size: 15px;
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

.header.scrolled .nav-links a {
    color: rgba(255,255,255,0.85);
}

.header.scrolled .nav-links a:hover {
    color: white;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    transition: all var(--transition-fast);
}

.header.scrolled .mobile-menu-btn span {
    background-color: white;
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 120px 24px 80px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
}

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

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.25rem);
    color: rgba(255,255,255,0.85);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

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

.hero-cta .btn-primary:hover {
    background-color: rgba(255,255,255,0.9);
    border-color: rgba(255,255,255,0.9);
}

.hero-cta .btn-secondary {
    color: white;
    border-color: rgba(255,255,255,0.5);
}

.hero-cta .btn-secondary:hover {
    background-color: rgba(255,255,255,0.1);
    border-color: white;
}

.hero-stats {
    display: flex;
    gap: 48px;
    margin-top: 80px;
    flex-wrap: wrap;
    justify-content: center;
}

.stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: rgba(255,255,255,0.7);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Sections */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* About Section */
.about {
    background-color: var(--color-background-alt);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.about-card {
    background: white;
    padding: 40px 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-medium);
}

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

.card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background-color: rgba(52, 79, 42, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-primary);
    margin-bottom: 24px;
}

.about-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.about-card p {
    color: var(--color-text-light);
    line-height: 1.7;
}

/* Leadership Section */
.leadership-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.leader-card {
    text-align: center;
}

.leader-image {
    margin-bottom: 24px;
}

.leader-placeholder {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 140px;
    height: 140px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: 50%;
    font-size: 2.5rem;
    font-weight: 600;
    color: white;
}

.leader-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.leader-title {
    color: var(--color-primary);
    font-weight: 500;
    margin-bottom: 16px;
}

.leader-bio {
    color: var(--color-text-light);
    font-size: 15px;
    line-height: 1.7;
}

/* Platform Section */
.platform {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
}

.platform-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.platform h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 16px;
}

.platform-intro {
    font-size: 1.125rem;
    color: rgba(255,255,255,0.85);
    margin-bottom: 32px;
}

.platform-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.platform-features li {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    font-size: 15px;
    line-height: 1.6;
    color: rgba(255,255,255,0.9);
}

.feature-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background-color: rgba(255,255,255,0.2);
    border-radius: 50%;
    margin-top: 2px;
}

.platform-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.platform-graphic {
    position: relative;
    width: 300px;
    height: 300px;
}

.graphic-ring {
    position: absolute;
    border: 2px solid rgba(255,255,255,0.2);
    border-radius: 50%;
    animation: pulse 3s ease-in-out infinite;
}

.graphic-ring:nth-child(1) {
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    animation-delay: 0s;
}

.graphic-ring:nth-child(2) {
    width: 70%;
    height: 70%;
    top: 15%;
    left: 15%;
    animation-delay: 0.5s;
}

.graphic-ring:nth-child(3) {
    width: 40%;
    height: 40%;
    top: 30%;
    left: 30%;
    animation-delay: 1s;
}

.graphic-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background-color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.05);
        opacity: 1;
    }
}

/* Focus Section */
.focus {
    background-color: var(--color-background-alt);
}

.focus-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.focus-card {
    background: white;
    padding: 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.focus-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--color-primary);
}

.focus-card ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.focus-card li {
    position: relative;
    padding-left: 20px;
    color: var(--color-text-light);
}

.focus-card li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    background-color: var(--color-primary);
    border-radius: 50%;
}

.focus-note {
    margin-top: 16px;
    font-size: 13px;
    color: var(--color-text-muted);
    font-style: italic;
}

.class-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    display: inline-block;
    padding: 6px 12px;
    background-color: rgba(52, 79, 42, 0.1);
    color: var(--color-primary);
    font-size: 13px;
    font-weight: 500;
    border-radius: var(--radius-full);
}

.focus-card.highlight {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: white;
}

.focus-card.highlight h3 {
    border-bottom-color: rgba(255,255,255,0.3);
}

.states-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}

.state {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background-color: rgba(255,255,255,0.2);
    border-radius: var(--radius-md);
    font-size: 1.25rem;
    font-weight: 700;
}

/* Metrics Section */
.metrics {
    padding: 60px 0;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
}

.metric-card {
    text-align: center;
    padding: 32px 24px;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

.metric-value {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.metric-label {
    font-size: 14px;
    color: var(--color-text-light);
}

/* Contact Section */
.contact {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    text-align: center;
}

.contact-content {
    max-width: 700px;
    margin: 0 auto;
}

.contact h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 24px;
}

.contact p {
    font-size: 1.125rem;
    color: rgba(255,255,255,0.85);
    margin-bottom: 16px;
}

.contact-highlight {
    font-style: italic;
    margin-bottom: 40px !important;
}

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

.contact .btn-primary:hover {
    background-color: rgba(255,255,255,0.9);
    transform: translateY(-2px);
}

/* Footer */
.footer {
    background-color: var(--color-background-dark);
    color: white;
    padding: 60px 0 24px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-logo {
    height: 32px;
    width: auto;
    margin-bottom: 16px;
}

.footer-brand p {
    color: rgba(255,255,255,0.6);
    font-size: 14px;
}

.footer h4 {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 20px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a,
.footer-contact a {
    color: rgba(255,255,255,0.6);
    font-size: 14px;
    transition: color var(--transition-fast);
}

.footer-links a:hover,
.footer-contact a:hover {
    color: white;
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255,255,255,0.4);
    font-size: 13px;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeIn 0.8s ease forwards;
}

.fade-in-delayed {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeIn 0.8s ease forwards;
    animation-delay: 0.3s;
}

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

.slide-up {
    opacity: 0;
    transform: translateY(40px);
}

.slide-up.visible {
    animation: slideUp 0.6s ease forwards;
}

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

/* Mobile Responsive */
@media (max-width: 1024px) {
    .platform-content {
        grid-template-columns: 1fr;
    }

    .platform-visual {
        order: -1;
    }

    .platform-graphic {
        width: 250px;
        height: 250px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: white;
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        box-shadow: var(--shadow-md);
    }

    .header.scrolled .nav-links {
        background-color: var(--color-primary-dark);
        box-shadow: none;
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .hero {
        padding: 100px 20px 60px;
    }

    .hero-stats {
        gap: 32px;
        margin-top: 60px;
    }

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

    .section {
        padding: 60px 0;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
        text-align: center;
    }

    .leadership-grid {
        gap: 48px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }

    .hero-cta {
        flex-direction: column;
        width: 100%;
    }

    .hero-cta .btn {
        width: 100%;
    }

    .about-card,
    .focus-card {
        padding: 24px;
    }

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