:root {
  --teal: #0F6E56;
  --teal-light: #1D9E75;
  --teal-pale: #E8F5F0;
  --dark: #0d1117;
  --gray: #6c757d;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'DM Sans', sans-serif;
  background: #fff;
  color: var(--dark);
  line-height: 1.65;
}

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  padding: 16px 0;
}

.nav-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.6rem;
  color: var(--teal);
  text-decoration: none;
  letter-spacing: 1px;
}

.nav-logo svg {
  width: 32px;
  height: 32px;
}

.nav-back {
  color: var(--gray);
  text-decoration: none;
  font-size: 0.95rem;
}

.nav-back:hover {
  color: var(--teal);
}

.doc-wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 110px 24px 48px;
}

.doc-header {
  margin-bottom: 32px;
}

.doc-badge {
  display: inline-block;
  background: var(--teal-pale);
  color: var(--teal);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}

.doc-header h1 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  line-height: 1;
  margin: 0 0 8px;
  color: var(--dark);
}

.meta {
  color: var(--gray);
  margin: 0;
  font-size: 0.95rem;
}

.doc-body {
  background: #fff;
  border: 1px solid rgba(15, 110, 86, 0.08);
  border-radius: 24px;
  padding: 28px;
  box-shadow: 0 20px 50px rgba(15, 110, 86, 0.08);
}

.doc-body h2 {
  font-size: 1.2rem;
  margin-top: 1.6rem;
  margin-bottom: 0.8rem;
  color: var(--dark);
}

.doc-body p,
.doc-body li {
  color: #334155;
  font-size: 1rem;
}

.doc-body ul {
  padding-left: 1.2rem;
}

.doc-body a {
  color: var(--teal);
  text-decoration: none;
}

.doc-body a:hover {
  color: var(--teal-light);
}

.contact-box {
  margin-top: 2rem;
  padding: 18px 20px;
  border-radius: 16px;
  background: var(--teal-pale);
}

.contact-box h3 {
  margin: 0 0 8px;
  color: var(--dark);
}

.contact-box p {
  margin: 0;
}

footer {
  background: #f8f9fa;
  padding: 30px 24px 40px;
  text-align: center;
}

.footer-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 16px;
}

.footer-links a {
  color: var(--gray);
  text-decoration: none;
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: var(--teal);
}

footer p {
  color: var(--gray);
  font-size: 0.9rem;
  margin: 0;
}

@media (max-width: 640px) {
  .nav-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .doc-wrap {
    padding-top: 130px;
  }

  .doc-body {
    padding: 22px 18px;
  }
}