:root {
  --blue: #0783ff;
  --dark: #12263d;
  --text: #16263a;
  --muted: #607086;
  --line: #e8eef5;
  --bg: #ffffff;
}

* { box-sizing: border-box; }

html { min-height: 100%; }

body {
  min-height: 100vh;
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 50% 12%, rgba(7, 131, 255, 0.08), transparent 32rem),
    var(--bg);
}

.page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: clamp(1.5rem, 5vw, 4rem);
}

.hero {
  width: min(100%, 760px);
  text-align: center;
  padding: clamp(2rem, 6vw, 4.5rem);
  border: 1px solid var(--line);
  border-radius: 32px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 24px 80px rgba(18, 38, 61, 0.10);
}

.logo {
  display: block;
  width: min(100%, 430px);
  height: auto;
  margin: 0 auto clamp(2rem, 5vw, 3rem);
}

.eyebrow {
  margin: 0 0 0.7rem;
  color: var(--blue);
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  color: var(--dark);
  font-size: clamp(2.2rem, 7vw, 5.2rem);
  line-height: 0.95;
  letter-spacing: -0.06em;
}

.subtitle {
  margin: 1.25rem auto 0;
  max-width: 34rem;
  color: var(--muted);
  font-size: clamp(1.05rem, 2.4vw, 1.35rem);
  line-height: 1.6;
}

.slogan {
  margin: 2rem 0 2.5rem;
  color: var(--dark);
  font-size: clamp(1.6rem, 5vw, 3rem);
  font-weight: 300;
  letter-spacing: 0.18em;
}

.slogan span { color: var(--blue); }

.link,
.back {
  color: var(--blue);
  font-weight: 700;
  text-decoration: none;
}

.link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.85rem 1.25rem;
  border: 1px solid rgba(7, 131, 255, 0.25);
  border-radius: 999px;
  background: rgba(7, 131, 255, 0.06);
}

.link:focus-visible,
.back:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(7, 131, 255, 0.35);
  outline-offset: 3px;
}

.page-small { align-items: start; }

.card {
  width: min(100%, 760px);
  padding: clamp(1.5rem, 5vw, 3rem);
  border: 1px solid var(--line);
  border-radius: 28px;
  background: #fff;
  box-shadow: 0 18px 60px rgba(18, 38, 61, 0.08);
}

.logo-small {
  width: min(70%, 250px);
  margin: 2rem 0;
}

.card h1 {
  font-size: clamp(2rem, 6vw, 3.5rem);
}

.card h2 {
  margin: 2rem 0 0.5rem;
  color: var(--dark);
  font-size: 1.05rem;
}

.card p {
  color: var(--muted);
  line-height: 1.7;
}

.card a { color: var(--blue); }

.hint {
  margin-top: 2rem;
  padding: 1rem;
  border-radius: 16px;
  background: #f5f9ff;
  font-size: 0.95rem;
}

@media (max-width: 560px) {
  .page { padding: 1rem; }
  .hero { border-radius: 24px; }
  .slogan { letter-spacing: 0.12em; }
  .logo { width: min(100%, 330px); }
}