:root {
    --ink: #0b0b0b;
    --muted: #6b6b6b;
    --border: #e6e6e6;
    --bg-soft: #fafafa;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    color: var(--ink);
    background: #ffffff;
    line-height: 1.65;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    border-bottom: 1px solid var(--border);
}

.logo {
    font-weight: 700;
    letter-spacing: 0.08em;
}

nav a {
    margin-left: 24px;
    text-decoration: none;
    color: var(--muted);
    font-size: 14px;
}

nav a:hover {
    color: var(--ink);
}

section {
    padding: 80px 40px;
    max-width: 1100px;
    margin: auto;
}

h1 {
    font-size: 56px;
    line-height: 1.1;
    margin-bottom: 20px;
}

h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

p {
    font-size: 18px;
    color: var(--muted);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 40px;
}

.cta a {
    display: inline-block;
    margin-top: 30px;
    padding: 14px 28px;
    border: 1px solid var(--ink);
    color: var(--ink);
    text-decoration: none;
    font-size: 14px;
}

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

footer {
    padding: 60px 40px;
    border-top: 1px solid var(--border);
    font-size: 13px;
    color: var(--muted);
  }