:root {
  --bg: #f3f6fa;
  --navy: #0f2e57;
  --navy-soft: #163d73;
  --text: #1d2735;
  --muted: #667085;
  --card: #ffffff;
  --line: #d7dce5;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.container {
  width: min(900px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  background: linear-gradient(135deg, var(--navy), var(--navy-soft));
  color: #fff;
  padding: 64px 0 56px;
  margin-bottom: 24px;
}

.badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 0.8rem;
  letter-spacing: 0.02em;
}

h1 {
  margin: 14px 0 10px;
  font-size: clamp(2rem, 4vw, 2.8rem);
}

.subtitle {
  margin: 0;
  max-width: 620px;
  color: rgba(255, 255, 255, 0.9);
}

.download-buttons {
  display: flex;
  gap: 12px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.btn {
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 10px 16px;
  text-decoration: none;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

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

.btn-primary:hover {
  background: #eef4ff;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.35);
  color: #fff;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
}

.btn-outline {
  background: #fff;
  border-color: var(--line);
  color: var(--text);
}

.btn-outline:hover {
  background: #f8fafc;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: 0 8px 20px rgba(15, 46, 87, 0.05);
}

h2 {
  margin-top: 0;
}

p {
  color: var(--muted);
  line-height: 1.6;
}

.legal-links {
  list-style: none;
  padding: 0;
  margin: 8px 0 0;
}

.legal-links li + li {
  margin-top: 10px;
}

.legal-links a {
  color: var(--navy-soft);
  text-decoration: none;
  font-weight: 600;
}

.legal-links a:hover {
  text-decoration: underline;
}

footer {
  padding: 20px 0 30px;
}

footer p {
  margin: 0;
  font-size: 0.92rem;
}

.doc-page {
  padding: 36px 0 48px;
}

.doc-page .doc-content {
  background: #fff;
  border-radius: 16px;
  border: 1px solid var(--line);
  padding: 24px;
}

.doc-page h1 {
  margin-top: 0;
  font-size: 1.9rem;
  color: var(--text);
}

.doc-page h2 {
  margin-top: 24px;
  font-size: 1.1rem;
}

.doc-page ul {
  color: var(--muted);
  line-height: 1.7;
  padding-left: 1.25rem;
}

.doc-page li + li {
  margin-top: 6px;
}

.doc-meta {
  font-size: 0.92rem;
  color: var(--muted);
  margin-top: -4px;
}

.doc-content a {
  color: var(--navy-soft);
  font-weight: 600;
}

.doc-nav {
  margin-top: 18px;
}

.back-link {
  display: inline-block;
  margin-top: 18px;
  color: var(--navy-soft);
  text-decoration: none;
  font-weight: 600;
}

.back-link:hover {
  text-decoration: underline;
}

.hero-compact {
  padding: 48px 0 40px;
}

.support-card {
  max-width: 560px;
  margin: 0 auto 24px;
}

.support-form .form-group {
  margin-bottom: 16px;
}

.support-form label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  color: var(--text);
  font-size: 0.95rem;
}

.support-form input,
.support-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  font: inherit;
  color: var(--text);
  background: #fff;
}

.support-form input:focus,
.support-form textarea:focus {
  outline: 2px solid rgba(22, 61, 115, 0.25);
  border-color: var(--navy-soft);
}

.support-form textarea {
  resize: vertical;
  min-height: 120px;
}

.form-status {
  margin: 0 0 12px;
  min-height: 1.25rem;
  font-size: 0.95rem;
}

.form-status-success {
  color: #047857;
}

.form-status-error {
  color: #b91c1c;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.btn-submit {
  background: var(--navy);
  color: #fff;
  border: none;
}

.btn-submit:hover:not(:disabled) {
  background: var(--navy-soft);
}

.btn-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}