:root {
    --paper: #ffffff;
    --ink: #111111;
    --muted: #4a4a4a;
    --line: #d8d8d8;
    --soft: #f6f6f3;
}

* {
    box-sizing: border-box;
}

html {
    background: var(--paper);
    color: var(--ink);
    font-family: Georgia, "Times New Roman", serif;
    font-size: 20px;
    line-height: 1.55;
}

body {
    margin: 0;
}

a {
    color: var(--ink);
    text-decoration-thickness: 1px;
    text-underline-offset: 0.18em;
}

.site {
    margin: 0 auto;
    max-width: 1040px;
    padding: 24px;
}

.topbar,
.footer {
    border-bottom: 1px solid var(--line);
    display: flex;
    flex-wrap: wrap;
    gap: 16px 24px;
    justify-content: space-between;
    padding: 16px 0;
}

.footer {
    border-bottom: 0;
    border-top: 1px solid var(--line);
    margin-top: 48px;
}

.brand {
    font-weight: 700;
    letter-spacing: 0.08em;
    text-decoration: none;
}

.nav {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 18px;
}

.hero {
    display: grid;
    gap: 32px;
    padding: 52px 0 36px;
}

.hero img {
    border: 1px solid var(--line);
    display: block;
    height: auto;
    width: 100%;
}

.kicker {
    color: var(--muted);
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    margin: 0 0 12px;
    text-transform: uppercase;
}

h1,
h2,
h3 {
    line-height: 1.18;
}

h1 {
    font-size: clamp(2rem, 8vw, 4rem);
    margin: 0 0 20px;
}

h2 {
    font-size: 1.65rem;
    margin: 0 0 14px;
}

h3 {
    font-size: 1.15rem;
    margin: 0 0 8px;
}

p {
    color: var(--muted);
    margin: 0 0 16px;
}

.lead {
    color: var(--ink);
    font-size: 1.25rem;
}

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 24px;
}

.button {
    border: 2px solid var(--ink);
    display: inline-block;
    font-weight: 700;
    min-height: 52px;
    padding: 12px 20px;
    text-align: center;
    text-decoration: none;
}

.button-primary {
    background: var(--ink);
    color: var(--paper);
}

.section {
    border-top: 1px solid var(--line);
    padding: 34px 0;
}

.panel-grid {
    display: grid;
    gap: 18px;
}

.panel {
    border: 1px solid var(--line);
    padding: 20px;
}

.callout {
    background: var(--soft);
    border: 1px solid var(--line);
    padding: 24px;
}

.check-list,
.plain-list {
    color: var(--muted);
    margin: 0;
    padding-left: 1.3rem;
}

.check-list li,
.plain-list li {
    margin-bottom: 10px;
}

.price {
    border: 2px solid var(--ink);
    display: inline-block;
    margin: 8px 0 16px;
    padding: 18px 22px;
}

.price strong {
    display: block;
    font-size: 2rem;
}

@media (min-width: 900px) {
    .hero {
        grid-template-columns: minmax(0, 1fr) 360px;
        align-items: center;
    }

    .panel-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}