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

:root {
  --bg: #f7f8fa;
  --surface: #ffffff;
  --text: #1e2430;
  --muted: #5b6475;
  --accent: #2f6fed;
  --accent-soft: #e7efff;
  --line: #e2e6ee;
  --shadow: 0 18px 45px rgba(25, 32, 52, 0.08);
}

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

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

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

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

header {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
}

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

.brand {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.menu {
  display: flex;
  gap: 20px;
  font-size: 0.95rem;
  color: var(--muted);
}

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

.menu a:hover {
  background: var(--accent-soft);
  color: var(--text);
}

.hero {
  padding: 80px 0 40px;
  display: grid;
  gap: 40px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  align-items: center;
}

.hero-card {
  background: var(--surface);
  padding: 32px;
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.hero h1 {
  font-size: clamp(2rem, 3.4vw, 2.8rem);
  line-height: 1.2;
  margin-bottom: 16px;
}

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

.button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent);
  color: #fff;
  padding: 12px 20px;
  border-radius: 12px;
  font-size: 0.95rem;
  font-weight: 600;
}

.section {
  padding: 60px 0;
}

.section h2 {
  font-size: clamp(1.6rem, 2.6vw, 2.2rem);
  margin-bottom: 12px;
}

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

.grid {
  display: grid;
  gap: 24px;
  margin-top: 28px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
  background: var(--surface);
  padding: 24px;
  border-radius: 20px;
  border: 1px solid var(--line);
}

.card h3 {
  margin-bottom: 10px;
  font-size: 1.1rem;
}

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

.tag {
  display: inline-flex;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
}

.image-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.contact-panel {
  background: var(--surface);
  border-radius: 24px;
  padding: 32px;
  border: 1px solid var(--line);
}

form {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

input,
textarea {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 0.95rem;
  background: #fff;
}

textarea {
  min-height: 140px;
  resize: vertical;
}

footer {
  padding: 32px 0 50px;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 12px;
}

.page-header {
  padding: 50px 0 20px;
}

.page-header h1 {
  font-size: clamp(2rem, 3vw, 2.4rem);
  margin-bottom: 12px;
}

.note {
  font-size: 0.95rem;
  color: var(--muted);
}

@media (max-width: 720px) {
  .menu {
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .hero {
    padding-top: 60px;
  }
}