/* index.css */
:root {
    /* Colors */
    --bg-primary: #0a0a0a;
    --bg-secondary: #171717;
    --bg-tertiary: #242424;
    --accent: #d6ff00;
    /* Electric yellow */
    --accent-hover: #b8e600;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-inverse: #000000;
    --border-color: rgba(255, 255, 255, 0.1);

    /* Typography */
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1.125rem;
    /* 18px base for better readability */
    --font-size-lg: 1.5rem;
    --font-size-xl: 2.5rem;
    --font-size-xxl: 4.5rem;
    /* Large expressive headers */

    --line-height-tight: 1.1;
    --line-height-base: 1.5;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 8rem;

    /* Animation & Transitions */
    --transition-fast: 0.2s ease-out;
    --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-bounce: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: var(--line-height-base);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--accent);
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
    outline: none;
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
    line-height: var(--line-height-tight);
    font-weight: 700;
    text-wrap: balance;
}

h1 {
    font-size: clamp(var(--font-size-xl), 8vw, var(--font-size-xxl));
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(var(--font-size-lg), 5vw, var(--font-size-xl));
    letter-spacing: -0.01em;
}

.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

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

.hidden {
    display: none !important;
}

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

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

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}