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

body {
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: #1f2a2e;
  background: #f7f8fa;
  line-height: 1.6;
}

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

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

.container {
  width: min(1120px, 90%);
  margin: 0 auto;
}

header {
  background: #ffffff;
  border-bottom: 1px solid #e3e8ee;
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  gap: 24px;
}

.brand {
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

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

.menu a {
  padding: 6px 10px;
  border-radius: 999px;
  transition: background 0.2s ease;
}

.menu a:hover,
.menu a:focus {
  background: #eef3f8;
}

.hero {
  padding: 80px 0 40px;
  background: linear-gradient(120deg, #f7f9fc 0%, #eef3f8 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 32px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 3.1rem);
  margin-bottom: 16px;
}

.hero p {
  font-size: 1.05rem;
  color: #425058;
}

.pill {
  display: inline-flex;
  gap: 10px;
  background: #ffffff;
  border: 1px solid #e3e8ee;
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 0.9rem;
  margin-top: 18px;
}

.section {
  padding: 64px 0;
}

.section h2 {
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  margin-bottom: 16px;
}

.section p {
  color: #4b5a63;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin-top: 32px;
}

.card {
  background: #ffffff;
  padding: 24px;
  border-radius: 20px;
  border: 1px solid #e3e8ee;
  box-shadow: 0 10px 24px rgba(31, 42, 46, 0.06);
}

.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  align-items: center;
}

.image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 18px;
  margin-top: 24px;
}

.highlight {
  background: #ffffff;
  border-radius: 24px;
  padding: 32px;
  border: 1px solid #e3e8ee;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.tag {
  background: #eef3f8;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.85rem;
  color: #2f3b42;
}

.contact-block {
  background: #1f2a2e;
  color: #ffffff;
  border-radius: 24px;
  padding: 32px;
}

.contact-block a {
  color: #ffffff;
  text-decoration: underline;
}

.form {
  display: grid;
  gap: 16px;
  margin-top: 18px;
}

.form input,
.form textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid #d4dbe3;
  font-size: 0.95rem;
}

.form button {
  background: #1f2a2e;
  color: #ffffff;
  border: none;
  padding: 12px 18px;
  border-radius: 999px;
  font-size: 0.95rem;
  cursor: pointer;
}

.footer {
  padding: 32px 0 48px;
  background: #ffffff;
  border-top: 1px solid #e3e8ee;
  margin-top: 64px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  font-size: 0.9rem;
  color: #4b5a63;
}

.footer a {
  color: #4b5a63;
}

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

  .menu {
    flex-wrap: wrap;
  }
}