:root {
  --bg: #f6f7fb;
  --surface: #ffffff;
  --text: #172033;
  --muted: #5f6b7a;
  --border: #d9dee8;
  --accent: #3454d1;
  --accent-dark: #263fa0;
  --shadow: 0 24px 60px rgba(23, 32, 51, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(52, 84, 209, 0.18), transparent 32rem),
    var(--bg);
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1080px;
  margin: 0 auto;
  padding: 1.25rem;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.logo {
  color: var(--text);
  font-weight: 800;
  letter-spacing: -0.03em;
}

main {
  width: min(1080px, calc(100% - 2rem));
  margin: 0 auto;
}

.hero {
  padding: 5rem 0 3rem;
  max-width: 720px;
}

.hero h1,
.success-card h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.25rem, 7vw, 4.75rem);
  line-height: 0.95;
  letter-spacing: -0.06em;
}

.hero p {
  max-width: 620px;
  font-size: 1.15rem;
  color: var(--muted);
}

.eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.card {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(280px, 1fr);
  gap: 2rem;
  margin-bottom: 4rem;
  padding: clamp(1.25rem, 4vw, 2.25rem);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--border);
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.card h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  letter-spacing: -0.04em;
}

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

.contact-form {
  display: grid;
  gap: 1rem;
}

label {
  display: grid;
  gap: 0.45rem;
  font-weight: 700;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 0.9rem 1rem;
  font: inherit;
  color: var(--text);
  background: #fff;
}

input:focus,
textarea:focus {
  outline: 3px solid rgba(52, 84, 209, 0.22);
  border-color: var(--accent);
}

textarea {
  resize: vertical;
}

.hint {
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 500;
}

.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  font-weight: 500;
}

.checkbox-row input {
  width: auto;
  margin-top: 0.25rem;
}

button,
.button-link {
  justify-self: start;
  border: 0;
  border-radius: 999px;
  padding: 0.95rem 1.35rem;
  font: inherit;
  font-weight: 800;
  color: #fff;
  background: var(--accent);
  cursor: pointer;
  box-shadow: 0 12px 30px rgba(52, 84, 209, 0.25);
}

button:hover,
.button-link:hover {
  background: var(--accent-dark);
  text-decoration: none;
}

footer {
  width: min(1080px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0;
  color: var(--muted);
}

.success-page {
  display: grid;
  min-height: 100vh;
  place-items: center;
}

.success-card {
  display: block;
  max-width: 720px;
}

@media (max-width: 760px) {
  .site-header,
  .card {
    display: block;
  }

  .site-header nav {
    margin-top: 0.75rem;
  }

  .hero {
    padding-top: 3rem;
  }

  .contact-form {
    margin-top: 1.5rem;
  }
}