:root {
    --color-surface: #f7fcf9;
    --color-surface-low: #eafaf1;
    --color-primary-container: #006c49;
    --color-secondary-container: #10b981;
    --color-outline-variant: rgba(108, 122, 113, 0.2);
    --color-text-default: #0e2017;
    --color-text-muted: #43544c;
    
    --spacing-gutter: 20px;
    --spacing-margin-desktop: 24px;
    --spacing-container-max: 1000px;
    
    --radius-full: 9999px;
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    
    --font-heading: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    --font-body: 'Hanken Grotesk', system-ui, -apple-system, sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    background-color: var(--color-surface);
    color: var(--color-text-default);
    font-family: var(--font-body);
}

body {
    background-color: var(--color-surface);
    color: var(--color-text-default);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

/* Typography */
.headline-lg {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text-default);
    letter-spacing: -0.01em;
}

.headline-md {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-default);
}

.body-lg {
    font-family: var(--font-body);
    font-size: 1.1rem;
    line-height: 1.6;
}

.body-md {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
}

.label-bold {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
}

.text-default {
    color: var(--color-text-default);
}

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

.bg-surface {
    background-color: var(--color-surface);
}

.bg-surface-low {
    background-color: var(--color-surface-low);
}

/* Spacing Helpers */
.mb-sm { margin-bottom: var(--spacing-gutter); }
.mb-md { margin-bottom: var(--spacing-margin-desktop); }
.mt-sm { margin-top: var(--spacing-gutter); }
.mt-md { margin-top: var(--spacing-margin-desktop); }
.mt-lg { margin-top: 64px; }
.text-center { text-align: center; }

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

.section {
    padding: 48px 0 24px;
}

/* Static Navigation Bar */
.navbar {
    position: static;
    width: 100%;
    background-color: rgba(231, 255, 243, 0.95);
    border-bottom: 1px solid rgba(108, 122, 113, 0.18);
    z-index: 100;
}

.nav-container {
    max-width: var(--spacing-container-max);
    margin: 0 auto;
    padding: 18px var(--spacing-gutter);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 24px;
    margin: 0;
    padding: 0;
}

.nav-links a {
    color: var(--color-text-default);
    padding-bottom: 4px;
    border-bottom: 2px solid transparent;
}

/* Static Hero Section */
.hero {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px 0 24px;
}

.hero-content {
    text-align: center;
    background: rgba(231, 255, 243, 0.85);
    padding: 2.5rem 3rem;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(108, 122, 113, 0.18);
    box-shadow: 0 4px 20px rgba(0, 108, 73, 0.05);
    max-width: 720px;
    width: 100%;
}

.title-glow {
    text-shadow: 0 0 30px rgba(16, 185, 129, 0.18);
    margin-bottom: 12px;
}

/* Static Cards */
.card {
    background: #ffffff;
    border: 1px solid rgba(108, 122, 113, 0.18);
    border-radius: var(--radius-md);
    padding: 24px 28px;
    box-shadow: 0 2px 10px rgba(0, 108, 73, 0.03);
}

/* Custom Lists */
ul.custom-list {
    list-style: none;
    padding-left: 0;
}

ul.custom-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.6rem;
}

ul.custom-list li:last-child {
    margin-bottom: 0;
}

ul.custom-list li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--color-primary-container);
    font-weight: bold;
    font-size: 1.3rem;
    line-height: 1.1;
}

/* Timeline */
.timeline {
    border-left: 2px solid var(--color-outline-variant);
    padding-left: 24px;
    margin-left: 12px;
}

.timeline > .card {
    position: relative;
}

.timeline > .card::before {
    content: '';
    position: absolute;
    width: 14px;
    height: 14px;
    background-color: var(--color-primary-container);
    border: 3px solid var(--color-surface);
    border-radius: 50%;
    left: -33px;
    top: 24px;
}

/* Footer */
.footer {
    padding: 32px var(--spacing-gutter);
    border-top: 1px solid var(--color-outline-variant);
    margin-top: 48px;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-content {
        padding: 2rem 1.5rem;
    }
    
    .timeline {
        padding-left: 16px;
        margin-left: 6px;
    }
    
    .timeline > .card::before {
        left: -25px;
    }
}