.container {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(9px);
  background: rgba(244, 247, 251, 0.9);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4) 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex: 0 0 auto;
  min-width: 0;
}

.brand-mark {
  width: 54px;
  height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 54px;
  filter: drop-shadow(0 4px 10px rgba(10, 26, 50, 0.32));
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 1;
}

.brand-title {
  font-weight: 700;
  color: var(--color-text);
}

.brand-tagline {
  display: block;
  color: var(--color-muted);
  font-size: 0.85rem;
}

.main-nav {
  flex: 1 1 auto;
  min-width: 0;
}

.main-nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  padding: 0;
  margin: 0;
  flex-wrap: wrap;
}

.main-nav a {
  font-weight: 600;
  color: var(--color-text);
  position: relative;
  text-decoration: none;
  font-size: 0.95rem;
  white-space: nowrap;
  padding-inline: 0.2rem;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.28rem;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-gold), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--color-primary);
  text-decoration: none;
}

.main-nav a:hover::after,
.main-nav a:focus-visible::after {
  transform: scaleX(1);
}

.cta-button,
.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.1rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  text-decoration: none;
  transition: background 0.2s ease, transform 0.2s ease;
}

.header-inner > .cta-button {
  flex: 0 0 auto;
}

.cta-button {
  background: linear-gradient(160deg, var(--color-primary), var(--color-primary-strong));
  border-color: var(--color-gold);
  color: #fff;
  box-shadow: 0 6px 18px rgba(17, 40, 75, 0.25);
}

.cta-button:hover,
.cta-button:focus-visible {
  background: linear-gradient(160deg, var(--color-primary-strong), #070f1e);
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(181, 139, 72, 0.25);
}

.button-link {
  background: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.button-link:hover,
.button-link:focus-visible {
  text-decoration: none;
  background: #e7eef9;
  border-color: var(--color-gold);
}

main section {
  padding: var(--space-8) 0;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-6);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-5);
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  box-shadow: var(--shadow-soft);
}

.site-footer {
  padding: var(--space-7) 0;
  background: #10243f;
  color: #d6e2f1;
}

.site-footer a {
  color: #f2f7ff;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: var(--color-gold-soft);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: var(--space-5);
}

.footer-title {
  font-size: 1.1rem;
  margin-bottom: var(--space-3);
  color: var(--color-gold-soft);
}

@media (max-width: 1366px) {
  .container {
    width: min(100% - 2.25rem, var(--max-width));
  }

  .main-nav ul {
    gap: var(--space-3);
  }

  .main-nav a {
    font-size: 0.92rem;
  }
}

@media (max-width: 1024px) {
  .container {
    width: min(100% - 1.75rem, var(--max-width));
  }

  .main-nav ul {
    gap: var(--space-3);
  }

  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 768px) {
  .header-inner {
    flex-wrap: wrap;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-3) 0;
  }

  .main-nav {
    width: 100%;
    order: 3;
  }

  .main-nav ul {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2) var(--space-4);
  }

  .main-nav a {
    display: inline-block;
    padding: 0.15rem 0;
  }

  .cta-button,
  .button-link {
    min-height: 42px;
  }

  .grid-2,
  .grid-3,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  main section {
    padding: var(--space-7) 0;
  }
}

@media (max-width: 430px) {
  .container {
    width: min(100% - 1.25rem, var(--max-width));
  }

  .brand-tagline {
    display: none;
  }

  .main-nav ul {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }

  .header-inner > .cta-button {
    width: 100%;
  }

  .main-nav a::after {
    display: none;
  }
}

@media (max-width: 375px) {
  .brand-mark {
    width: 44px;
    height: 44px;
    flex-basis: 44px;
  }

  .brand-title {
    font-size: 0.98rem;
  }
}