:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1e40af;

    --color-surface-alt: #ffffff;
    --color-page-bg: #f4f6f8;

    --color-ink: #12161c;
    --color-text: #333b44;
    --color-text-muted: #6b7280;

    --color-border: #d9dee4;

    --color-white: #ffffff;
    --color-side-rail-highlight: #2563eb;

    --overlay-white-line: rgba(15, 23, 42, 0.08);
}

@font-face {
    font-family: 'ErasITCDemi';
    src: url('assets/fonts/eras-itc-demi.ttf') format('truetype');
    font-weight: 600;
    font-style: normal;
    font-display: swap;
}

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

html,
body {
    height: 100%;
    overflow: hidden;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-page-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

h1,
h2,
.logo {
    font-family: 'ErasITCDemi', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

strong {
    color: var(--color-side-rail-highlight);
}

.card {
    width: 100%;
    max-width: 640px;
    max-height: 100%;
    overflow: auto;
    background-color: var(--color-surface-alt);
    border: 2px solid var(--color-border);
    box-shadow: 0 25px 50px rgba(15, 23, 42, 0.12);
    padding: 2.5rem;
    text-align: center;
    display: grid;
    gap: 1.5rem;
}

.logo {
    font-size: 1.85rem;
    line-height: 1.15;
    font-weight: 600;
    color: var(--color-ink);
}

.intro-box {
    background-color: var(--color-page-bg);
    border: 1px solid var(--color-border);
    padding: 1.25rem 1.5rem;
    display: grid;
    gap: 0.4rem;
}

.eyebrow {
    color: var(--color-primary);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

h1 {
    font-size: clamp(1.6rem, 4vw, 2.3rem);
    color: var(--color-ink);
}

.about {
    color: var(--color-text-muted);
    font-size: 0.98rem;
    max-width: 46ch;
    margin: 0 auto;
}

.divider {
    border: 0;
    border-top: 1px solid var(--overlay-white-line);
}

.contact-list {
    display: grid;
    gap: 0.65rem;
    justify-items: center;
}

.contact-item {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    color: var(--color-text);
}

.contact-item a {
    color: inherit;
    text-decoration: none;
}

.contact-item a:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

.contact-email-display {
    appearance: none;
    border: 0;
    background: transparent;
    padding: 0;
    color: inherit;
    font: inherit;
    text-align: left;
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
}

.contact-email-display:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

.contact-email-display:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
}

.copy-note {
    margin-top: -0.4rem;
    color: var(--color-text-muted);
    font-size: 0.78rem;
}

.copy-note:empty {
    display: none;
}

.contact-icon {
    width: 1.2rem;
    height: 1.2rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    font-size: 0.8rem;
    color: var(--color-ink);
    background-color: var(--overlay-white-line);
    flex: 0 0 auto;
}

.material-symbols-rounded.contact-icon {
    font-size: 1rem;
    font-variation-settings: 'FILL' 0, 'wght' 500, 'GRAD' 0, 'opsz' 24;
}

.partners {
    display: grid;
    gap: 0.35rem;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.partners a {
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: none;
}

.partners a:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

.footer-note {
    color: var(--color-text-muted);
    font-size: 0.78rem;
}

@media (max-width: 480px) {
    .card {
        padding: 1.75rem 1.5rem;
        gap: 1.1rem;
    }
}