/* ============================================================
   GestAI Base — fonts, reset, typography, a11y foundations
   ============================================================ */

/* ---------- Self-hosted fonts (variable, latin + latin-ext for LT/LV) ---------- */
@font-face {
    font-family: 'Bricolage Grotesque';
    font-style: normal;
    font-weight: 400 800;
    font-display: swap;
    src: url('../fonts/bricolage-grotesque-latin.woff2') format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2212, U+FEFF, U+FFFD;
}
@font-face {
    font-family: 'Bricolage Grotesque';
    font-style: normal;
    font-weight: 400 800;
    font-display: swap;
    src: url('../fonts/bricolage-grotesque-latin-ext.woff2') format('woff2');
    unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
    font-family: 'Hanken Grotesk';
    font-style: normal;
    font-weight: 400 800;
    font-display: swap;
    src: url('../fonts/hanken-grotesk-latin.woff2') format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2212, U+FEFF, U+FFFD;
}
@font-face {
    font-family: 'Hanken Grotesk';
    font-style: normal;
    font-weight: 400 800;
    font-display: swap;
    src: url('../fonts/hanken-grotesk-latin-ext.woff2') format('woff2');
    unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    background-color: var(--surface);
    color: var(--ink);
    line-height: 1.55;
    min-height: 100vh;
    transition: background-color var(--dur-base) var(--ease-swift),
                color var(--dur-base) var(--ease-swift);
}

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

a {
    color: inherit;
    text-decoration: none;
}

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

input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
}

/* ---------- Typography ---------- */
h1, h2, h3, .display {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.015em;
    color: var(--ink);
}

h4, h5, h6 {
    font-family: var(--font-body);
    font-weight: 700;
    line-height: 1.3;
    color: var(--ink);
}

strong { font-weight: 700; }

::selection {
    background: var(--brand-soft-2);
    color: var(--ink);
}

/* ---------- Focus ---------- */
:focus { outline: none; }

:focus-visible {
    outline: none;
    box-shadow: 0 0 0 2px var(--ring-offset), 0 0 0 5px var(--ring);
    border-radius: var(--radius-xs);
}

/* ---------- Scrollbars ---------- */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--border-strong) transparent;
}

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

*::-webkit-scrollbar-thumb {
    background: var(--border-strong);
    border-radius: 999px;
    border: 3px solid transparent;
    background-clip: padding-box;
}

*::-webkit-scrollbar-track {
    background: transparent;
}

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

/* ---------- Inline SVG icon defaults ---------- */
.icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    stroke-width: 2;
}

.icon-sm { width: 16px; height: 16px; }
.icon-lg { width: 24px; height: 24px; }

/* ---------- Reduced motion: kill all non-essential animation ---------- */
@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;
    }
}