* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  color-scheme: light;
  --bg: #f6f7f9;
  --card: #ffffff;
  --text: #1b1f24;
  --muted: #5a6470;
  --line: #e2e6ec;
  --accent: #2c5a7a;
  --accent-soft: #e6eff6;
}

body {
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

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

img {
  max-width: 100%;
  display: block;
  border-radius: 16px;
}

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

header {
  background: var(--card);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 5;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 0;
  gap: 24px;
}

.brand {
  font-weight: 600;
  letter-spacing: 0.4px;
}

.menu {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 0.95rem;
}

.menu a {
  color: var(--muted);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
}

.menu a:hover,
.menu a:focus {
  color: var(--text);
  border-bottom-color: var(--accent);
}

.hero {
  padding: 70px 0 40px;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 28px;
  align-items: center;
}

.hero-card {
  background: var(--card);
  padding: 32px;
  border-radius: 20px;
  box-shadow: 0 18px 45px rgba(27, 31, 36, 0.08);
}

.hero h1 {
  font-size: clamp(2rem, 3vw, 2.8rem);
  margin-bottom: 16px;
}

.hero p {
  color: var(--muted);
  margin-bottom: 20px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-size: 0.95rem;
}

.button.secondary {
  background: var(--accent-soft);
  color: var(--accent);
}

.section {
  padding: 50px 0;
}

.section h2 {
  font-size: 1.6rem;
  margin-bottom: 12px;
}

.section p {
  color: var(--muted);
}

.grid-two {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-top: 24px;
}

.card {
  background: var(--card);
  padding: 22px;
  border-radius: 16px;
  border: 1px solid var(--line);
}

.card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.image-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin-top: 24px;
}

.highlight {
  background: var(--accent-soft);
  border-radius: 18px;
  padding: 24px;
  border: 1px solid rgba(44, 90, 122, 0.2);
}

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

.form input,
.form textarea,
.form select {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  font-size: 0.95rem;
  font-family: inherit;
  background: #fff;
}

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

.form button {
  border: none;
  cursor: pointer;
}

footer {
  padding: 36px 0 50px;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.meta-list {
  list-style: none;
  display: grid;
  gap: 6px;
}

.badge {
  display: inline-block;
  padding: 6px 10px;
  border-radius: 999px;
  background: #eef2f5;
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.3px;
}

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

  .hero {
    padding-top: 50px;
  }
}