:root {
    color-scheme: light;
    font-family:
        Inter, Pretendard, "Noto Sans KR", system-ui, -apple-system,
        BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: #102342;
    background: #f7f9fc;
}

* {
    box-sizing: border-box;
}

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

body {
    display: grid;
    min-height: 100vh;
    grid-template-rows: auto 1fr auto;
    background:
        radial-gradient(circle at 78% 28%, rgba(0, 166, 214, 0.12), transparent 30rem),
        #f7f9fc;
}

a {
    color: inherit;
}

.site-header,
.site-footer {
    width: min(1180px, calc(100% - 48px));
    margin: 0 auto;
}

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 28px 0;
}

.wordmark {
    display: inline-flex;
    align-items: baseline;
    gap: 7px;
    color: #102342;
    font-size: 18px;
    font-weight: 800;
    letter-spacing: -0.04em;
    text-decoration: none;
}

.wordmark strong {
    color: #00a6d6;
    font-size: 12px;
    letter-spacing: 0.08em;
}

.header-status {
    color: #8a94a3;
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
    cursor: default;
}

.hero {
    display: grid;
    width: min(1180px, calc(100% - 48px));
    margin: 0 auto;
    grid-template-columns: minmax(0, 1fr) minmax(220px, 0.55fr);
    align-items: center;
    gap: 64px;
    padding: 72px 0 96px;
}

.eyebrow {
    margin: 0 0 22px;
    color: #00a6d6;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.14em;
}

h1 {
    margin: 0;
    color: #102342;
    font-size: clamp(64px, 10vw, 132px);
    line-height: 0.9;
    letter-spacing: -0.075em;
}

.summary {
    margin: 34px 0 18px;
    color: #53627a;
    font-size: clamp(18px, 2.4vw, 25px);
    font-weight: 500;
    letter-spacing: -0.03em;
}

.service-notice {
    max-width: 520px;
    margin: 0 0 36px;
    color: #667085;
    font-size: 15px;
    line-height: 1.8;
    word-break: keep-all;
}

.primary-link {
    display: inline-flex;
    min-height: 50px;
    align-items: center;
    justify-content: center;
    padding: 0 24px;
    border-radius: 4px;
    color: #fff;
    background: #102342;
    font-size: 15px;
    font-weight: 700;
    text-decoration: none;
    transition:
        background-color 160ms ease,
        transform 160ms ease;
}

.primary-link:not(.is-visually-disabled):hover {
    background: #00a6d6;
    transform: translateY(-2px);
}

.primary-link.is-visually-disabled {
    color: #667085;
    background: #e2e7ee;
    cursor: not-allowed;
}

.primary-link:focus-visible,
.header-status:focus-visible,
.wordmark:focus-visible {
    outline: 3px solid rgba(0, 166, 214, 0.45);
    outline-offset: 4px;
}

.hero-mark {
    justify-self: end;
    color: rgba(16, 35, 66, 0.04);
    font-size: clamp(240px, 36vw, 520px);
    font-weight: 900;
    line-height: 0.75;
    letter-spacing: -0.12em;
    user-select: none;
}

.site-footer {
    padding: 20px 0 28px;
    border-top: 1px solid rgba(16, 35, 66, 0.1);
    color: #7a8698;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.04em;
}

@media (max-width: 720px) {
    .site-header,
    .site-footer,
    .hero {
        width: min(100% - 32px, 1180px);
    }

    .hero {
        grid-template-columns: 1fr;
        gap: 24px;
        padding: 64px 0 72px;
    }

    .hero-mark {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .primary-link {
        transition: none;
    }
}