/* Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

/* Tokens */
:root {
  --bg: #00585A;
  --surface: #ffffff;
  --ink: #1f1e1c;
  --ink-muted: #5a6663;
  --border: #e2e8e6;
  --accent: #39b6b8;
  --accent-hover: #2e9395;
  --accent-ring: rgba(57, 182, 184, 0.22);
  --success: #81c28f;
  --on-bg-muted: rgba(255, 255, 255, 0.65);
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, system-ui, sans-serif;
  --serif: "Iowan Old Style", "Palatino", Georgia, serif;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Layout */
.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 96px 20px 48px;
}

.card {
  width: 100%;
  max-width: 560px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.18), 0 1px 2px rgba(0, 0, 0, 0.06);
  padding: 40px;
}

.intro {
  margin-bottom: 32px;
}

.intro h1 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 2rem;
  letter-spacing: -0.01em;
  margin: 0 0 10px;
  color: var(--ink);
}

.intro p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 15px;
}

/* Form controls */
.form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.field {
  display: flex;
  flex-direction: column;
}

.field label {
  font-size: 13px;
  color: var(--ink-muted);
  margin-bottom: 6px;
  font-weight: 500;
}

.optional {
  color: var(--ink-muted);
  font-weight: 400;
  opacity: 0.7;
}

input,
textarea {
  font-family: inherit;
  font-size: 15px;
  color: var(--ink);
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  width: 100%;
  transition: border-color 120ms ease, box-shadow 120ms ease;
}

textarea {
  resize: vertical;
  min-height: 96px;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-ring);
}

/* Button */
.submit {
  margin-top: 8px;
  background: var(--accent);
  color: #ffffff;
  border: none;
  border-radius: 8px;
  padding: 12px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: background 120ms ease, transform 80ms ease;
}

.submit:hover {
  background: var(--accent-hover);
}

.submit:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--accent-ring);
}

.submit:active {
  transform: translateY(1px);
}

/* Confirmation */
.confirmation {
  text-align: center;
  padding: 24px 8px 8px;
}

.confirmation .check {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--success);
  color: #ffffff;
  font-size: 24px;
  line-height: 48px;
  font-weight: 600;
}

.confirmation h2 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.5rem;
  margin: 0 0 8px;
  color: var(--ink);
}

.confirmation p {
  margin: 0;
  color: var(--ink-muted);
}

/* Footnote */
.footnote {
  margin-top: 32px;
  font-size: 12px;
  color: var(--on-bg-muted);
  letter-spacing: 0.02em;
}

/* Small screens */
@media (max-width: 480px) {
  .page {
    padding: 48px 16px 32px;
  }
  .card {
    padding: 28px 22px;
  }
  .intro h1 {
    font-size: 1.625rem;
  }
}