@import url('https://fonts.googleapis.com/css2?family=Heebo:wght@300;400;500;700&family=Roboto+Mono:wght@400;500&display=swap');

:root {
    /* Color Palette - Light Professional (Clean & crisp) */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    /* Light gray for sections */
    --text-primary: #212529;
    /* Dark gray for text */
    --text-secondary: #6c757d;
    /* Muted gray */
    --accent-color: #007bff;
    /* Standard Professional Blue */
    --accent-hover: #0056b3;
    --card-bg: #ffffff;
    --border-color: #dee2e6;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Typography */
    --font-heading: 'Heebo', sans-serif;
    /* Clean sans-serif */
    --font-body: 'Heebo', sans-serif;
    --font-mono: 'Roboto Mono', monospace;
}

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

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

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

/* Utility Classes */
.container {
    width: 90%;
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.section {
    padding: var(--spacing-lg) 0;
}

.section:nth-child(even) {
    background-color: var(--bg-secondary);
}

.section-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    text-align: center;
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background-color: var(--accent-color);
    border-radius: 2px;
}

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

.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: 4px;
    font-weight: 500;
    cursor: pointer;
    border: 2px solid transparent;
}

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

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

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

.btn-secondary:hover {
    background-color: rgba(0, 123, 255, 0.1);
}