:root {
  color-scheme: light;
  --ink: #17131d;
  --canvas: #fff8ee;
  --paper: #fffdf8;
  --purple: #6c2bf1;
  --lavender: #e7d8ff;
  --yellow: #ffc51c;
  --green: #32ce78;
  --line: 3px solid var(--ink);
  font-family: Inter, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  background: var(--canvas);
}

a {
  color: inherit;
}

.site-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 0;
}

.brand {
  color: var(--ink);
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: -0.07em;
  text-decoration: none;
}

.site-nav,
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
}

.site-nav a,
.footer-nav a {
  font-size: 0.93rem;
  font-weight: 700;
  text-underline-offset: 4px;
}

.hero,
.content-card {
  border: var(--line);
  background: var(--paper);
  box-shadow: 8px 8px 0 var(--ink);
}

.hero {
  display: grid;
  gap: 26px;
  padding: clamp(32px, 7vw, 86px);
  margin: 28px 0 56px;
}

.eyebrow {
  margin: 0;
  color: var(--purple);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  max-width: 850px;
  margin: 0;
  font-size: clamp(2.5rem, 7vw, 5.5rem);
  line-height: 0.96;
  letter-spacing: -0.07em;
}

h2 {
  margin-top: 0;
  font-size: clamp(1.65rem, 3vw, 2.3rem);
  letter-spacing: -0.04em;
}

.lead {
  max-width: 650px;
  margin: 0;
  font-size: 1.15rem;
  line-height: 1.6;
}

.button-disabled {
  display: inline-flex;
  width: fit-content;
  padding: 14px 18px;
  border: var(--line);
  background: var(--yellow);
  box-shadow: 4px 4px 0 var(--ink);
  font-weight: 800;
}

.content-card {
  max-width: 760px;
  padding: clamp(28px, 5vw, 56px);
  margin: 28px auto 56px;
}

.content-card p {
  font-size: 1.06rem;
  line-height: 1.65;
}

.notice {
  padding: 16px;
  border: var(--line);
  background: var(--lavender);
}

.site-footer {
  padding: 30px 0 42px;
  border-top: var(--line);
}

.site-footer p {
  margin: 18px 0 0;
  font-size: 0.9rem;
}

@media (max-width: 720px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    gap: 10px 15px;
  }
}