/* ── Reset ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ── Base ── */
body {
  background-color: #f4f6fb;
  color: #1a1f36;
  font-family: 'Segoe UI', Arial, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Header ── */
header {
  background: #fff;
  border-bottom: 1px solid #e0e4f0;
  padding: 0 40px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.header-brand img {
  height: 40px;
  width: auto;
}

.header-brand-text {
  display: flex;
  flex-direction: column;
}

.header-brand-text strong {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #1a2566;
  line-height: 1.2;
}

.header-brand-text span {
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #6b7aab;
}

/* ── Buttons ── */
a.btn {
  display: inline-block;
  padding: 13px 36px;
  border-radius: 6px;
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  transition: all 0.18s ease;
}

a.btn-primary {
  background: #1e2d8f;
  color: #fff;
  border: 2px solid #1e2d8f;
}

a.btn-primary:hover {
  background: #2a3db8;
  border-color: #2a3db8;
  box-shadow: 0 4px 16px rgba(30, 45, 143, 0.25);
}

/* ── Footer ── */
footer {
  text-align: center;
  padding: 20px;
  border-top: 1px solid #e0e4f0;
  background: #fff;
  font-size: 0.78rem;
  color: #aab0cc;
}

footer a {
  color: #6b7aab;
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}