:root {
    color-scheme: light;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: #20251f;
    background: #f7f5f0;
    font-synthesis: none;
    text-rendering: optimizeLegibility;
}

* {
    box-sizing: border-box;
}

body {
    min-width: 320px;
    min-height: 100vh;
    margin: 0;
    display: flex;
    flex-direction: column;
}

a {
    color: inherit;
}

.site-header {
    height: 80px;
    padding: 0 clamp(24px, 7vw, 104px);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    font-size: 1.6rem;
    font-weight: 750;
    letter-spacing: -0.07em;
    text-decoration: none;
}

.sign-in,
.primary-link {
    display: inline-flex;
    min-height: 46px;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: #263a2c;
    color: #fff;
    font-weight: 650;
    text-decoration: none;
    transition: background-color 150ms ease, transform 150ms ease;
}

.sign-in {
    padding: 0 22px;
}

.primary-link {
    margin-top: 18px;
    padding: 0 26px;
}

.sign-in:hover,
.primary-link:hover {
    background: #38563f;
    transform: translateY(-1px);
}

main {
    flex: 1;
    display: grid;
    align-items: center;
    padding: 48px 24px 80px;
}

.intro {
    width: min(100%, 850px);
    margin: 0 auto;
    padding: clamp(24px, 6vw, 72px) 0;
}

.eyebrow {
    margin: 0 0 18px;
    color: #66715f;
    font-size: 0.82rem;
    font-weight: 750;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

h1 {
    max-width: 780px;
    margin: 0;
    font-size: clamp(2.75rem, 7vw, 5.8rem);
    font-weight: 620;
    letter-spacing: -0.065em;
    line-height: 1.02;
}

.summary {
    max-width: 560px;
    margin: 28px 0 0;
    color: #5f665c;
    font-size: clamp(1.05rem, 2vw, 1.25rem);
    line-height: 1.7;
}

footer {
    min-height: 72px;
    padding: 16px clamp(24px, 7vw, 104px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid #e7e4dc;
    color: #666d63;
    font-size: 0.9rem;
}

footer a {
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}