:root {
  --background: #ffffff;
  --foreground: #1a1f2e;
  --muted: #f5f6f8;
  --muted-foreground: #6b7280;
  --primary: #01b7b5;
  --primary-hover: #0f766e;
  --primary-soft: rgba(1, 183, 181, 0.1);
  --border: #e5e7eb;
  --success: #16a34a;
  --success-soft: rgba(22, 163, 74, 0.1);
  --destructive: #dc2626;
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-xl: 24px;
  --font: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: var(--font);
  background: var(--muted);
  color: var(--foreground);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

.page-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 16px;
}

.page-card {
  width: 100%;
  max-width: 640px;
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(26, 31, 46, 0.06);
}

.page-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}

.page-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--primary-soft);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.page-header h1 {
  margin: 0;
  font-size: 20px;
  font-weight: 600;
}

.page-subtitle {
  margin: 2px 0 0;
  font-size: 13px;
  color: var(--muted-foreground);
}

.page-body {
  padding: 24px;
}

.page-body h2 {
  margin: 24px 0 8px;
  font-size: 15px;
  font-weight: 600;
}

.page-body h2:first-child {
  margin-top: 0;
}

.page-body p,
.page-body li {
  margin: 0 0 12px;
  font-size: 14px;
  color: var(--muted-foreground);
}

.page-body ul {
  margin: 0 0 12px;
  padding-left: 20px;
}

.page-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.page-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  text-decoration: none;
}

.page-link:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

/* ---------- Form ---------- */

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-field label {
  font-size: 13px;
  font-weight: 600;
  color: var(--foreground);
}

.form-field input,
.form-field textarea {
  font-family: inherit;
  font-size: 14px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--background);
  color: var(--foreground);
  outline: none;
  transition: border-color 0.2s ease;
}

.form-field input:focus,
.form-field textarea:focus {
  border-color: var(--primary);
}

.form-field textarea {
  min-height: 140px;
  resize: vertical;
}

.btn {
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-md);
  padding: 12px 20px;
  border: none;
  cursor: pointer;
  transition: background 0.2s ease, opacity 0.2s ease, transform 0.1s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn:active {
  transform: scale(0.98);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--primary);
  color: #ffffff;
}

.btn-primary:hover:not(:disabled) {
  background: var(--primary-hover);
}

.form-status {
  font-size: 13px;
  margin: 0;
}

.form-status.error {
  color: var(--destructive);
}

/* ---------- Thank you ---------- */

.thank-you {
  text-align: center;
  padding: 12px 0 8px;
}

.thank-you-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--success-soft);
  color: var(--success);
  display: flex;
  align-items: center;
  justify-content: center;
}

.thank-you h2 {
  margin: 0 0 8px;
  font-size: 22px;
  color: var(--foreground);
}

.thank-you p {
  margin: 0 auto;
  max-width: 400px;
  font-size: 14px;
  color: var(--muted-foreground);
}

.thank-you .page-nav {
  justify-content: center;
  border-top: none;
  padding-top: 8px;
}

.page-footer {
  padding: 14px 24px;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 11px;
  color: var(--muted-foreground);
}