:root {
    /* Brand Color Palette */
    --clr-white: #FFFFFF;
    --clr-bg-primary: #FAFAF7; /* Paper */
    --clr-bg-secondary: #EEF0EC; /* Mist */
    --clr-bg-dark: #16273F; /* Navy / Ink */
    
    --clr-primary: #29B36B; /* Green / Primary */
    --clr-primary-light: #54C98A; /* Green Light */
    --clr-primary-dark: #1C8B51; /* Green Deep */
    
    --clr-text-main: #16273F; /* Navy / Ink */
    --clr-text-muted: #5A6270; /* Slate Text */
    --clr-text-light: #FAFAF7; /* Paper */
    
    --clr-border: #D8DDD6;
    --clr-accent: #16273F;

    /* Typography */
    --font-heading: 'Plus Jakarta Sans', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'IBM Plex Mono', monospace;

    /* Elevation */
    --shadow-sm: 0 1px 2px 0 rgb(22 39 63 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(22 39 63 / 0.1), 0 2px 4px -2px rgb(22 39 63 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(22 39 63 / 0.1), 0 4px 6px -4px rgb(22 39 63 / 0.1);

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-body);
    background-color: var(--clr-bg-primary);
    color: var(--clr-text-main);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

section {
    padding: 6rem 0;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem auto;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--clr-accent);
}

.section-header p {
    font-size: 1.125rem;
    color: var(--clr-text-muted);
}

/* Button System */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    font-size: 0.95rem;
    gap: 0.5rem;
    text-decoration: none;
}

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

.btn-primary:hover {
    background-color: var(--clr-primary-dark);
}

.btn-secondary {
    background-color: white;
    border: 1px solid var(--clr-border);
    color: var(--clr-text-main);
}

.btn-secondary:hover {
    background-color: var(--clr-bg-secondary);
    border-color: var(--clr-text-muted);
}