:root {
  --bg: #f7f9fc;
  --surface: #ffffff;
  --text: #11223a;
  --muted: #52627a;
  --primary: #0f4c81;
  --primary-strong: #0a3b64;
  --accent: #f3a712;
  --border: #d9e2ec;
  --success: #0f766e;
  --shadow: 0 10px 24px rgba(17, 34, 58, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(180deg, #f7f9fc 0%, #eef4fb 100%);
  color: var(--text);
  line-height: 1.65;
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  border-radius: 14px;
}

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

header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  color: var(--text);
}

.brand svg {
  width: 34px;
  height: 34px;
}

nav ul {
  display: flex;
  gap: 14px;
  list-style: none;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}

nav a {
  font-weight: 600;
  color: var(--text);
  padding: 8px 10px;
  border-radius: 10px;
}

nav a:hover,
nav a.active {
  background: #edf4fc;
  text-decoration: none;
}

.hero {
  padding: 56px 0 22px;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 24px;
  align-items: center;
}

.hero-card,
.card,
.notice,
.content {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 34px;
}

.hero h1 {
  margin: 0 0 10px;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.18;
}

.hero p {
  margin: 0 0 18px;
  color: var(--muted);
}

.btn-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  border-radius: 10px;
  padding: 11px 16px;
  font-weight: 700;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-strong);
  text-decoration: none;
}

.btn-secondary {
  border: 1px solid var(--border);
  color: var(--text);
  background: #fff;
}

.section {
  padding: 16px 0 28px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 16px;
}

.card {
  padding: 18px;
}

.card h3 {
  margin-top: 8px;
}

.notice {
  padding: 16px 18px;
  border-left: 5px solid var(--accent);
  margin: 24px 0;
}

.content {
  padding: 22px;
  margin: 28px auto;
}

.content h1,
.content h2,
.content h3 {
  line-height: 1.25;
}

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

form {
  display: grid;
  gap: 12px;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  font: inherit;
}

textarea {
  min-height: 130px;
  resize: vertical;
}

footer {
  margin-top: 40px;
  background: #0c2238;
  color: #cfe0f3;
  padding: 24px 0;
}

footer a {
  color: #fff;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 20px;
}

.small {
  font-size: 0.9rem;
}

.tag {
  display: inline-block;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #fff;
  background: var(--success);
  padding: 4px 8px;
  border-radius: 20px;
}

.cookie {
  position: fixed;
  bottom: 14px;
  left: 14px;
  right: 14px;
  max-width: 700px;
  margin: 0 auto;
  padding: 14px;
  background: #0f2740;
  color: #fff;
  border-radius: 12px;
  display: none;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  z-index: 30;
}

.cookie button {
  border: 0;
  background: var(--accent);
  color: #1b1b1b;
  font-weight: 800;
  border-radius: 9px;
  padding: 9px 12px;
  cursor: pointer;
}

@media (max-width: 820px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .nav-wrap {
    flex-direction: column;
    align-items: flex-start;
  }
}