:root {
    --info-ink: #171717;
    --info-muted: #6f6f6f;
    --info-line: rgba(23, 23, 23, 0.14);
    --info-paper: #ffffff;
    --info-accent: #e7472e;
    --info-shadow: 0 18px 50px rgba(23, 23, 23, 0.08);
}

body {
    background:
        linear-gradient(rgba(23, 23, 23, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(23, 23, 23, 0.035) 1px, transparent 1px),
        #f4f3ef;
    background-size: 42px 42px;
}

.topbar {
    min-height: 86px;
    padding: 0 clamp(20px, 5vw, 72px);
    background: rgba(250, 250, 248, 0.88);
    border-bottom: 1px solid var(--info-line);
    box-shadow: 0 8px 24px rgba(23, 23, 23, 0.04);
    z-index: 10;
}

.brand {
    color: var(--info-ink);
    font-size: clamp(1.15rem, 2vw, 1.5rem);
    letter-spacing: 2px;
}

.back-link {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    color: var(--info-ink);
    font-size: 0.92rem;
    letter-spacing: 1.4px;
}

.back-link::before {
    content: '\2190';
    margin-right: 10px;
    font-size: 1.2rem;
    line-height: 1;
}

.back-link:hover {
    color: var(--info-accent);
}

.info-menu-wrap {
    position: relative;
}

.info-menu-toggle {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-height: 44px;
    padding: 0 15px;
    border: 1px solid var(--info-ink);
    background: transparent;
    color: var(--info-ink);
    cursor: pointer;
    font: inherit;
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 1.4px;
    text-transform: uppercase;
}

.info-menu-toggle:hover,
.info-menu-toggle[aria-expanded='true'] {
    background: var(--info-ink);
    color: #fff;
}

.info-menu-icon {
    display: grid;
    gap: 4px;
}

.info-menu-icon span {
    display: block;
    width: 16px;
    height: 1px;
    background: currentColor;
}

.info-menu {
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    display: grid;
    min-width: 210px;
    padding: 8px;
    border: 1px solid var(--info-line);
    background: #fbfbf9;
    box-shadow: var(--info-shadow);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 180ms ease, transform 180ms ease;
}

.info-menu.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.info-menu a {
    padding: 13px 12px;
    color: var(--info-ink);
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-decoration: none;
    text-transform: uppercase;
}

.info-menu a:hover {
    background: var(--info-ink);
    color: #fff;
}

main {
    padding-top: clamp(64px, 9vw, 112px);
    padding-bottom: clamp(64px, 9vw, 112px);
}

.intro {
    position: relative;
    margin-bottom: 48px;
}

.intro::before {
    content: 'PREEXIST / INFORMATION';
    display: block;
    margin-bottom: 18px;
    color: var(--info-accent);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 2px;
}

.intro h1,
h1 {
    color: var(--info-ink);
    font-size: clamp(3rem, 8vw, 6.5rem);
    letter-spacing: -3px;
    line-height: 0.9;
}

.intro p {
    max-width: 540px;
    margin-top: 24px;
    color: var(--info-muted);
    font-size: 1rem;
}

.info-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.info-card {
    min-height: 260px;
    padding: clamp(24px, 4vw, 38px);
    border: 1px solid var(--info-line);
    background: rgba(255, 255, 255, 0.88);
    box-shadow: var(--info-shadow);
    transition: transform 180ms ease, box-shadow 180ms ease;
}

.info-card:first-child {
    grid-column: 1 / -1;
    min-height: 220px;
}

.info-card:hover {
    box-shadow: 0 22px 60px rgba(23, 23, 23, 0.12);
    transform: translateY(-3px);
}

.info-card h2 {
    color: var(--info-ink);
    font-size: 1.2rem;
}

.info-card p,
.info-card li,
.form-note {
    color: var(--info-muted);
}

.info-action,
.download-pdf,
.submit-button {
    transition: background 180ms ease, transform 180ms ease;
}

.info-action:hover,
.download-pdf:hover,
.submit-button:hover {
    background: var(--info-accent);
    transform: translateY(-2px);
}

footer {
    background: rgba(250, 250, 248, 0.7);
}

@media (max-width: 680px) {
    .topbar {
        min-height: 74px;
    }

    .back-link {
        font-size: 0.75rem;
    }

    .info-menu-toggle {
        padding: 0 11px;
    }

    .info-menu-toggle > span:last-child {
        display: none;
    }

    .info-list {
        grid-template-columns: 1fr;
    }

    .info-card:first-child {
        grid-column: auto;
    }

    .intro h1,
    h1 {
        letter-spacing: -2px;
    }
}