* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: #fff;
  color: #111827;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 24px;
  border-bottom: 1px solid #e5e7eb;
}

.brand-block {
  display: grid;
  gap: 4px;
}

.brand {
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0;
}

.brand-subtitle {
  font-size: 0.72rem;
  color: #6b7280;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.site-nav > a,
.nav-trigger {
  font-size: 0.92rem;
  font-weight: 700;
  color: #1f2937;
}

.nav-group {
  position: relative;
}

.nav-trigger {
  padding: 0;
  border: 0;
  background: transparent;
  font-family: inherit;
  cursor: pointer;
}

.nav-trigger::after {
  content: "v";
  margin-left: 6px;
  color: #6b7280;
  font-size: 0.8em;
}

.nav-panel {
  display: none;
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  min-width: 220px;
  padding: 12px;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 14px;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
  z-index: 10;
}

.nav-group:hover > .nav-panel,
.nav-group:focus-within > .nav-panel {
  display: grid;
  gap: 8px;
}

.nav-panel a {
  padding: 8px 10px;
  border-radius: 10px;
}

.nav-panel a:hover {
  background: #f3f4f6;
}

.contact-page {
  padding: 32px 24px 48px;
}

.contact-card,
.content-card {
  max-width: 720px;
  margin: 0 auto;
  padding: 28px;
  border: 1px solid #e5e7eb;
  border-radius: 18px;
  background: #fff;
}

.content-page {
  padding: 32px 24px 48px;
}

.content-card h1 {
  margin: 0 0 12px;
}

.content-card p {
  line-height: 1.6;
}

.content-list {
  display: grid;
  gap: 10px;
  padding-left: 20px;
  line-height: 1.55;
}

.section-label {
  margin: 0 0 8px;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #6b7280;
  font-weight: 700;
}

.contact-form {
  display: grid;
  gap: 14px;
  margin-top: 20px;
}

.contact-form label {
  display: grid;
  gap: 6px;
  font-size: 0.92rem;
  font-weight: 700;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #d1d5db;
  border-radius: 12px;
  font: inherit;
}

.contact-form button {
  width: fit-content;
  padding: 12px 16px;
  border: 0;
  border-radius: 12px;
  background: #111827;
  color: #fff;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.contact-form button:hover {
  background: #0f172a;
}

@media (max-width: 720px) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav {
    gap: 12px;
  }

  .nav-panel {
    position: static;
    min-width: 0;
    box-shadow: none;
    margin-top: 8px;
  }
}