/* Reset & Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-family-sans);
    color: var(--color-text-main);
    background: var(--bg-gradient);
    min-height: 100vh;
    line-height: var(--font-line-height-base);
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: var(--font-line-height-heading);
    color: var(--color-charcoal);
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: 2.5rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2rem;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-muted);
}

a {
    color: var(--color-ruby-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--color-ruby-dark);
}

ul,
ol {
    list-style-position: inside;
    margin-bottom: var(--spacing-md);
}

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

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

.section {
    padding: var(--spacing-3xl) 0;
}