/*
 * Modern CSS Reset & Base Styles
 * Mobile-first approach
 */

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

/* Remove default list styles */
ul,
ol {
    list-style: none;
}

/* Base HTML & Body */
html {
    font-size: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-base);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--color-gray-900);
    background-color: var(--color-white);
    overflow-x: hidden;
    min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    margin-bottom: var(--space-4);
}

p {
    margin-bottom: var(--space-4);
}

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

/* Images */
img,
picture,
video,
canvas,
svg {
    display: block;
    max-width: 100%;
    height: auto;
}

/* Buttons & Inputs */
button,
input,
textarea,
select {
    font: inherit;
    color: inherit;
}

button {
    cursor: pointer;
    border: none;
    background: none;
}

/* Remove default button styles */
button:focus,
input:focus,
textarea:focus,
select:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Accessibility */
.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;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    body {
        background: var(--color-white);
        color: #000;
    }
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}