/* =========================================================
   CADMatch language selector
   Visual style aligned with the existing CADMatch kiosk page
========================================================= */

:root {
    --bg-dark: #050505;
    --card-bg: rgba(24, 24, 27, 0.97);
    --text-main: #f4f4f5;
    --text-muted: #a1a1aa;
    --accent: #f28c00;
    --border: rgba(242, 140, 0, 0.72);
}

/* ---------- Base ---------- */

* {
    box-sizing: border-box;
}

html,
body {
    width: 100%;
    min-height: 100%;
    margin: 0;
    padding: 0;
}

body {
    min-height: 100vh;
    background:
        radial-gradient(circle at 50% 30%, #202024 0%, #0b0b0d 40%, var(--bg-dark) 78%);
    color: var(--text-main);
    font-family: Arial, Helvetica, sans-serif;
}

/* ---------- Main layout ---------- */

.language-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 28px;
}

.language-card {
    width: min(760px, 94vw);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 42px 38px 46px;
    background: var(--card-bg);
    border: 2px solid var(--border);
    border-radius: 22px;
    box-shadow: 0 18px 55px rgba(0, 0, 0, 0.45);
}

/* ---------- Logos ---------- */

.covisys-link {
    display: inline-flex;
    margin-top: 18px;
    border-radius: 10px;
}

.covisys-logo {
    display: block;
    width: min(740px, 76vw);
    max-height: 280px;
    object-fit: contain;
    transition: transform 0.18s ease;
}

.covisys-link:hover .covisys-logo {
    transform: scale(1.035);
}

.cadmatch-logo {
    display: block;
    width: min(1240px, 96vw);
    max-height: 380px;
    object-fit: contain;
}

/* ---------- Heading ---------- */

h1 {
    margin: 32px 0 6px;
    font-size: clamp(25px, 3vw, 36px);
    line-height: 1.2;
    text-align: center;
    font-weight: 700;
}

.language-subtitle {
    margin: 0 0 28px;
    color: var(--text-muted);
    font-size: clamp(14px, 1.5vw, 17px);
    text-align: center;
}

/* ---------- Language buttons ---------- */

.language-grid {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
}

.language-button {
    min-width: 0;
    min-height: 132px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;

    padding: 18px 10px;

    color: var(--text-main);
    text-decoration: none;

    background: #111114;
    border: 2px solid #34343a;
    border-radius: 16px;

    transition:
        transform 0.18s ease,
        border-color 0.18s ease,
        background 0.18s ease,
        box-shadow 0.18s ease;
}

.language-button:hover,
.language-button:focus-visible {
    transform: translateY(-3px);
    border-color: var(--accent);
    background: #19191d;
    box-shadow: 0 8px 22px rgba(242, 140, 0, 0.16);
}

.language-button:focus-visible {
    outline: 3px solid rgba(242, 140, 0, 0.35);
    outline-offset: 3px;
}

.flag {
    display: block;
    font-size: clamp(46px, 5vw, 64px);
    line-height: 1;
}

.language-name {
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 0.01em;
}

/* ---------- Responsive ---------- */

@media (max-width: 720px) {
    .language-card {
        padding: 34px 22px 36px;
        border-radius: 18px;
    }

    .language-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .language-button {
        min-height: 118px;
    }
}

@media (max-width: 390px) {
    .language-page {
        padding: 14px;
    }

    .language-card {
        padding-inline: 16px;
    }

    .language-grid {
        gap: 10px;
    }

    .language-button {
        min-height: 108px;
        padding: 14px 8px;
    }

    .language-name {
        font-size: 14px;
    }
}

/* ---------- Full viewport / browser fullscreen ---------- */
body,
.language-page {
    min-height: 100dvh;
}

.fullscreen-button {
    position: fixed;
    top: 18px;
    right: 18px;
    z-index: 2000;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    color: #fff;
    background: rgba(17, 17, 20, 0.92);
    border: 2px solid var(--accent);
    border-radius: 12px;
    font: 700 27px/1 Arial, Helvetica, sans-serif;
    cursor: pointer;
    box-shadow: 0 5px 16px rgba(0,0,0,.35);
    transition: transform .18s ease, background .18s ease;
}

.fullscreen-button:hover,
.fullscreen-button:focus-visible {
    transform: scale(1.06);
    background: #19191d;
}

.fullscreen-button:focus-visible {
    outline: 3px solid rgba(242,140,0,.35);
    outline-offset: 3px;
}

@media (max-width: 600px) {
    .fullscreen-button {
        top: 10px;
        right: 10px;
        width: 42px;
        height: 42px;
        font-size: 23px;
    }
}