/* ==========================================================
   Purified LLC — Base Styles
   File: base.css
   Purpose: Reset, layout containers, utility classes
   ========================================================== */

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-body);
    color: var(--color-text);
    background: var(--color-background);
    line-height: var(--line-height-body);
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

img,
picture,
svg,
video {
    display: block;
    max-width: 100%;
}

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

button,
input,
textarea,
select {
    font: inherit;
}

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

ul,
ol {
    margin: 0;
    padding: 0;
}

.container {
    width: min(var(--container-width),
               calc(100% - (var(--container-padding) * 2)));
    margin-inline: auto;
}

.section {
    padding-block: var(--section-padding);
}

.section-title {
    text-align: center;
    max-width: 760px;
    margin-inline: auto;
    margin-bottom: var(--space-12);
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-10);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.shadow-card {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

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

@media (max-width: 980px) {
    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
    }
}