:root {
  --brand: #015461;
  --brand-soft: #e7f2f3;
  --surface: #f8fafb;
  --ink: #0f172a;
  --ink-muted: #5a6b73;
  --line: #e5e7eb;
  --white: #ffffff;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 10px;
  --shadow: 0 20px 60px -30px rgba(1, 84, 97, 0.25),
    0 2px 6px -2px rgba(15, 23, 42, 0.05);
}

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

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  font-family: "Inter", ui-sans-serif, system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--surface);
  line-height: 1.6;
}

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

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
}

.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.site-header__inner,
.page {
  max-width: 760px;
  margin: 0 auto;
  padding: 20px 24px;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--brand);
  font-weight: 700;
  font-size: 1.05rem;
  text-decoration: none;
}

.brand:hover {
  text-decoration: none;
}

.brand__icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--brand-soft);
  display: grid;
  place-items: center;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.site-nav {
  display: flex;
  gap: 16px;
  font-size: 0.92rem;
}

.site-nav a {
  color: var(--ink-muted);
  font-weight: 500;
}

.site-nav a.is-active,
.site-nav a:hover {
  color: var(--brand);
  text-decoration: none;
}

.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 28px;
}

.card + .card {
  margin-top: 20px;
}

.page-title {
  margin: 0 0 8px;
  font-size: 1.75rem;
  color: var(--brand);
}

.page-subtitle,
.updated-note {
  margin: 0 0 24px;
  color: var(--ink-muted);
  font-size: 0.95rem;
}

.policy h2 {
  margin: 28px 0 10px;
  font-size: 1.1rem;
  color: var(--brand);
}

.policy p,
.policy li {
  color: var(--ink);
  font-size: 0.95rem;
}

.policy ul {
  padding-left: 1.25rem;
}

.contact-form {
  display: grid;
  gap: 18px;
}

.form-field {
  display: grid;
  gap: 6px;
}

.form-field label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink-muted);
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--ink);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: rgba(1, 84, 97, 0.45);
  box-shadow: 0 0 0 3px rgba(1, 84, 97, 0.12);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--brand);
  color: var(--white);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: opacity 0.15s ease, transform 0.15s ease;
}

.btn:hover {
  opacity: 0.92;
}

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

.btn--secondary {
  background: var(--white);
  color: var(--brand);
  border: 1px solid var(--line);
}

.thankyou-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--brand-soft);
  color: var(--brand);
  display: grid;
  place-items: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.actions-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.site-footer {
  max-width: 760px;
  margin: 32px auto 0;
  padding: 0 24px 32px;
  color: var(--ink-muted);
  font-size: 0.85rem;
  text-align: center;
}

@media (max-width: 640px) {
  .site-header__inner,
  .page {
    padding-left: 16px;
    padding-right: 16px;
  }

  .card {
    padding: 20px;
  }

  .site-header__inner {
    flex-direction: column;
    align-items: flex-start;
  }
}