* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: #e5f0ff;
  color: #0f172a;
}

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

.container {
  width: min(1120px, 100% - 32px);
  margin: 0 auto;
}

.header {
  background: #020617;
  color: #e5e7eb;
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  gap: 12px;
}

.logo-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 14px;
  background: linear-gradient(135deg, #3b82f6, #0ea5e9);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #eff6ff;
  font-weight: 800;
}

.logo-text {
  line-height: 1.1;
}

.logo-main {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.logo-sub {
  font-size: 1rem;
  font-weight: 700;
  color: #38bdf8;
}

.nav {
  display: flex;
  gap: 10px;
  font-size: 0.9rem;
}

.nav a {
  padding: 4px 10px;
  border-radius: 999px;
}

.nav a:hover {
  background: rgba(148, 163, 184, 0.25);
}

.hero {
  background: linear-gradient(180deg, #dbeafe, #e5f0ff);
  padding: 32px 0;
}

.hero-inner {
  display: flex;
  align-items: center;
}

.hero-text h1 {
  font-size: clamp(1.9rem, 3vw, 2.4rem);
  margin-bottom: 8px;
}

.hero-text p {
  margin-bottom: 8px;
}

.hero-text ul {
  margin: 0;
  padding-left: 18px;
  font-size: 0.95rem;
}

.section {
  padding: 28px 0;
}

.section-alt {
  background: #dbeafe;
}

h2 {
  margin-top: 0;
  margin-bottom: 10px;
}

.subtitle {
  margin-top: 0;
  margin-bottom: 14px;
  color: #334155;
  font-size: 0.96rem;
}

.grid3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
}

.card {
  background: #ffffff;
  border-radius: 18px;
  padding: 14px 14px 16px;
  box-shadow: 0 12px 26px rgba(15, 23, 42, 0.18);
  font-size: 0.94rem;
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
  gap: 16px;
  align-items: flex-start;
}

.form {
  background: #eff6ff;
  border-radius: 18px;
  padding: 14px 16px 16px;
  box-shadow: 0 10px 22px rgba(15, 23, 42, 0.18);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
}

label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.86rem;
}

label.full {
  grid-column: 1 / -1;
}

input, select, textarea {
  border-radius: 999px;
  border: 1px solid #bfdbfe;
  padding: 7px 12px;
  font-size: 0.9rem;
  font-family: inherit;
}

textarea {
  border-radius: 14px;
  resize: vertical;
}

.btn {
  border-radius: 999px;
  border: none;
  padding: 8px 18px;
  background: linear-gradient(135deg, #3b82f6, #0ea5e9);
  color: #eff6ff;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.45);
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 30px rgba(37, 99, 235, 0.6);
}

.form-footer {
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.status {
  font-size: 0.86rem;
}

.status.success {
  color: #166534;
}

.status.error {
  color: #b91c1c;
}

.info-card {
  background: #eff6ff;
  border-radius: 18px;
  padding: 14px 16px 16px;
  box-shadow: 0 10px 22px rgba(15, 23, 42, 0.18);
  font-size: 0.9rem;
}

.info-card ul {
  margin-top: 4px;
  padding-left: 18px;
}

.footer {
  border-top: 1px solid #bfdbfe;
  background: #e0f2fe;
  padding: 10px 0 12px;
  font-size: 0.9rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.footer-contacts {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

@media (max-width: 800px) {
  .hero-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .layout {
    grid-template-columns: 1fr;
  }
  .header-inner {
    flex-wrap: wrap;
  }
  .nav {
    width: 100%;
    justify-content: center;
  }
}