/**
 * base.css - Reset, Typography, Font Imports
 *
 * Foundational styles for the Rust Roadmap application.
 * Includes CSS reset, typography scale, and global utilities.
 */

/* -----------------------------------------------------------------------------
 * CSS Reset
 * -------------------------------------------------------------------------- */

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: "JetBrains Mono", monospace;
    background-color: var(--bg-primary);
    color: var(--text-secondary);
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    line-height: 1.6;
}

/* -----------------------------------------------------------------------------
 * Typography
 * -------------------------------------------------------------------------- */

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: "JetBrains Mono", monospace;
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

h1 {
    font-size: 2.5rem;
    letter-spacing: -0.025em;
}

h2 {
    font-size: 2rem;
    letter-spacing: -0.02em;
}

h3 {
    font-size: 1.5rem;
}

p {
    line-height: 1.7;
}

.mono-font {
    font-family: "JetBrains Mono", monospace;
}

/* -----------------------------------------------------------------------------
 * Selection Styling
 * -------------------------------------------------------------------------- */

::selection {
    background-color: rgba(234, 88, 12, 0.3);
    color: var(--text-primary);
}

::-moz-selection {
    background-color: rgba(234, 88, 12, 0.3);
    color: var(--text-primary);
}

/* -----------------------------------------------------------------------------
 * Custom Scrollbar
 * -------------------------------------------------------------------------- */

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--slate-700);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--slate-600);
}

/* -----------------------------------------------------------------------------
 * Links
 * -------------------------------------------------------------------------- */

a {
    color: var(--orange-500);
    text-decoration: none;
    transition: color var(--transition-base);
}

a:hover {
    color: var(--orange-400);
}

/* -----------------------------------------------------------------------------
 * Focus Styles
 * -------------------------------------------------------------------------- */

:focus-visible {
    outline: 2px solid var(--orange-500);
    outline-offset: 2px;
}

/* -----------------------------------------------------------------------------
 * Utility Classes
 * -------------------------------------------------------------------------- */

.text-gradient {
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}