:root {
  color-scheme: light dark;
  --background: #fff9f3;
  --surface: rgba(255, 255, 255, 0.9);
  --surface-strong: #ffffff;
  --text: #17223b;
  --muted: #596378;
  --accent: #ed6a5a;
  --accent-strong: #a6332b;
  --button-background: #a6332b;
  --line: #eadfd6;
  --focus: #0066cc;
  --shadow: 0 18px 48px rgba(23, 34, 59, 0.1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #111827;
    --surface: rgba(30, 41, 59, 0.92);
    --surface-strong: #1e293b;
    --text: #f8fafc;
    --muted: #cbd5e1;
    --accent: #ff8a78;
    --accent-strong: #ffad9f;
    --button-background: #a6332b;
    --line: #3b475b;
    --focus: #72b7ff;
    --shadow: 0 18px 48px rgba(0, 0, 0, 0.3);
  }
}

* {
  box-sizing: border-box;
}

html {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 0%, rgba(237, 106, 90, 0.17), transparent 34rem),
    var(--background);
}

a {
  color: var(--accent-strong);
  text-underline-offset: 0.18em;
}

a:hover {
  text-decoration-thickness: 0.16em;
}

a:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
  border-radius: 0.2rem;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 20;
  padding: 0.65rem 0.9rem;
  color: var(--surface-strong);
  background: var(--text);
  border-radius: 0.55rem;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.shell {
  width: min(100% - 2rem, 70rem);
  margin-inline: auto;
}

.site-header {
  padding: 1.1rem 0;
}

.header-row,
.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text);
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 2.15rem;
  height: 2.15rem;
  place-items: center;
  color: #ffffff;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0.35rem 0.9rem rgba(237, 106, 90, 0.26);
}

nav ul {
  display: flex;
  gap: 0.45rem;
  align-items: center;
  padding: 0;
  margin: 0;
  list-style: none;
}

nav a {
  display: inline-block;
  min-width: 2.7rem;
  padding: 0.4rem 0.65rem;
  color: var(--text);
  text-align: center;
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
}

nav a[aria-current="page"] {
  color: #ffffff;
  background: var(--button-background);
  border-color: var(--button-background);
}

.hero {
  padding: clamp(2.6rem, 8vw, 6rem) 0 clamp(2rem, 5vw, 4rem);
}

.eyebrow {
  margin: 0 0 0.55rem;
  color: var(--accent-strong);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.25;
}

h1 {
  max-width: 18ch;
  margin: 0;
  font-size: clamp(2.3rem, 8vw, 4.9rem);
  letter-spacing: -0.035em;
}

.lead {
  max-width: 44rem;
  margin: 1.25rem 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2.5vw, 1.28rem);
}

.notice {
  max-width: 48rem;
  padding: 1rem 1.15rem;
  margin-top: 1.5rem;
  border-left: 0.3rem solid var(--accent);
  border-radius: 0.5rem;
  background: var(--surface);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr));
  gap: 1rem;
}

.card {
  padding: clamp(1.1rem, 3vw, 1.55rem);
  border: 1px solid var(--line);
  border-radius: 1.15rem;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.card h2,
.card h3 {
  margin-top: 0;
}

.section {
  padding: 1.2rem 0 3.5rem;
}

.section > h2 {
  margin: 0 0 1.1rem;
  font-size: clamp(1.55rem, 4vw, 2.15rem);
}

.steps,
.plain-list {
  padding-left: 1.35rem;
}

.steps li,
.plain-list li {
  margin-block: 0.55rem;
}

.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.65rem 1rem;
  color: #ffffff;
  font-weight: 700;
  text-decoration: none;
  background: var(--button-background);
  border-radius: 0.75rem;
}

.button-link:visited {
  color: #ffffff;
}

.policy {
  max-width: 52rem;
  padding: clamp(1.25rem, 4vw, 2.4rem);
  margin-bottom: 3rem;
  border: 1px solid var(--line);
  border-radius: 1.2rem;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.policy section + section {
  padding-top: 0.65rem;
  border-top: 1px solid var(--line);
}

.muted,
.meta {
  color: var(--muted);
}

.site-footer {
  padding: 1.5rem 0 2.5rem;
  border-top: 1px solid var(--line);
}

.site-footer p {
  margin: 0;
}

@media (max-width: 34rem) {
  .header-row {
    align-items: flex-start;
  }

  nav ul {
    gap: 0.3rem;
  }

  nav a {
    padding-inline: 0.55rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}