:root {
  --color-primary: #144b70;
  --color-primary-dark: #0f3852;
  --color-accent: #f6b10a;
  --color-bg: #f8fafc;
  --color-text: #1f2933;
  --color-muted: #4b5563;
  --max-width: 1120px;
  --transition: 0.2s ease-in-out;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}

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

a:hover,
a:focus {
  color: var(--color-primary-dark);
}

img {
  max-width: 100%;
  display: block;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.site-header {
  background: #fff;
  border-bottom: 1px solid rgba(20, 75, 112, 0.08);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
}

.brand {
  display: inline-flex;
  align-items: center;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-primary-dark);
  gap: 0.5rem;
}

.brand-mark {
  background: var(--color-primary);
  color: #fff;
  padding: 0.35rem 0.55rem;
  border-radius: 0.35rem;
  font-size: 0.9rem;
}

.brand-text {
  font-size: 1rem;
}

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.3rem;
  background: transparent;
  border: 1px solid var(--color-primary);
  border-radius: 0.35rem;
  padding: 0.4rem 0.55rem;
  cursor: pointer;
  color: var(--color-primary);
}

.nav-toggle-bar {
  display: block;
  width: 1.25rem;
  height: 2px;
  background: currentColor;
}

.primary-nav {
  position: fixed;
  inset: 0;
  background: rgba(17, 24, 39, 0.95);
  transform: translateX(100%);
  transition: transform var(--transition);
  padding: 5rem 2rem 2rem;
}

.primary-nav.is-open {
  transform: translateX(0);
}

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.nav-item > a,
.nav-item > button {
  color: #fff;
  font-size: 1.1rem;
}

.nav-item > a.is-active {
  font-weight: 700;
  color: var(--color-accent);
}

.nav-item.has-children {
  position: relative;
}

.sub-toggle {
  margin-left: 0.75rem;
  font-size: 0.9rem;
  padding: 0.3rem 0.5rem;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 0.25rem;
  background: transparent;
  color: #fff;
  cursor: pointer;
}

.sub-menu {
  list-style: none;
  margin: 0.5rem 0 0 0;
  padding: 0 0 0 1.5rem;
  display: none;
  flex-direction: column;
  gap: 0.35rem;
}

.sub-menu.is-open {
  display: flex;
}

.sub-menu a {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.95rem;
}

.nav-item.highlight > a {
  color: var(--color-accent);
  font-weight: 600;
}

.hero {
  background: linear-gradient(135deg, rgba(20, 75, 112, 0.92), rgba(15, 56, 82, 0.92)), url('../images/hero.jpg') center/cover no-repeat;
  color: #fff;
  padding: 6rem 0 5rem;
  text-align: left;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  margin-bottom: 1.5rem;
}

.hero p {
  max-width: 36rem;
  margin-bottom: 2rem;
  color: rgba(255, 255, 255, 0.9);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.button {
  display: inline-block;
  padding: 0.85rem 1.8rem;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  transition: transform var(--transition), box-shadow var(--transition);
}

.button.primary {
  background: var(--color-accent);
  color: #1f2430;
  box-shadow: 0 12px 24px rgba(246, 177, 10, 0.28);
}

.button.secondary {
  border: 2px solid rgba(255, 255, 255, 0.7);
  color: #fff;
}

.button:hover {
  transform: translateY(-2px);
}

.section {
  padding: 4rem 0;
}

.section h2 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  margin: 0 0 1.25rem;
  color: var(--color-primary-dark);
}

.section p.lead {
  font-size: 1.1rem;
  color: var(--color-muted);
  max-width: 44rem;
}

.card-grid {
  display: grid;
  gap: 1.75rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  margin-top: 2rem;
}

.card {
  background: #fff;
  border-radius: 1rem;
  padding: 2rem;
  box-shadow: 0 18px 42px rgba(20, 75, 112, 0.08);
  border: 1px solid rgba(20, 75, 112, 0.08);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.card h3 {
  margin: 0;
  color: var(--color-primary);
}

.card p {
  margin: 0;
  color: var(--color-muted);
}

.card a {
  margin-top: auto;
  font-weight: 600;
}

.values-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin-top: 2rem;
}

.value {
  background: #fff;
  padding: 1.5rem;
  border-radius: 1rem;
  border: 1px solid rgba(20, 75, 112, 0.1);
}

.value h3 {
  margin: 0 0 0.5rem;
}

.page-hero {
  background: linear-gradient(135deg, rgba(20, 75, 112, 0.9), rgba(20, 75, 112, 0.7));
  padding: 4rem 0 3rem;
  color: #fff;
  text-align: center;
}

.page-hero h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 2.8rem);
}

.page-hero p {
  margin: 1rem auto 0;
  max-width: 48rem;
  color: rgba(255, 255, 255, 0.85);
}

.page-content {
  padding: 3rem 0;
}

.page-content .container {
  max-width: 760px;
}

.page-content h2 {
  margin-top: 2.5rem;
  font-size: 1.8rem;
}

.page-content p,
.page-content ul,
.page-content ol {
  font-size: 1.05rem;
  color: var(--color-muted);
}

.page-content ul,
.page-content ol {
  padding-left: 1.5rem;
}

.placeholder {
  padding: 2rem;
  border-radius: 1rem;
  background: rgba(20, 75, 112, 0.06);
  border: 1px dashed rgba(20, 75, 112, 0.4);
  color: var(--color-primary-dark);
}

.contact-section {
  padding: 4rem 0 5rem;
  background: #fff;
}

.contact-card {
  max-width: 540px;
  margin: 0 auto;
  background: var(--color-primary);
  color: #fff;
  padding: 2.5rem;
  border-radius: 1.5rem;
  text-align: center;
  box-shadow: 0 24px 48px rgba(20, 75, 112, 0.2);
}

.contact-card p {
  color: rgba(255, 255, 255, 0.9);
}

.contact-card a {
  color: #fff;
  font-weight: 600;
}

.site-footer {
  background: #0e2030;
  color: rgba(255, 255, 255, 0.75);
  padding: 3rem 0 2rem;
  margin-top: 4rem;
}

.footer-content {
  display: grid;
  gap: 2.5rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.footer-col h2 {
  margin-top: 0;
  color: #fff;
  font-size: 1.2rem;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0 0;
  display: grid;
  gap: 0.35rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.75);
}

.footer-links a:hover {
  color: #fff;
}

.footer-meta {
  text-align: center;
  margin-top: 3rem;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
}

@media (min-width: 900px) {
  .nav-toggle {
    display: none;
  }

  .primary-nav {
    position: static;
    transform: none;
    background: transparent;
    padding: 0;
  }

  .nav-list {
    flex-direction: row;
    align-items: center;
    gap: 1.25rem;
  }

  .nav-item > a {
    color: var(--color-primary-dark);
    font-size: 0.95rem;
  }

  .nav-item.has-children {
    padding-right: 0.5rem;
    position: relative;
  }

  .nav-item.has-children > a::after {
    content: "";
    display: inline-block;
    margin-left: 0.35rem;
    border: 0.3rem solid transparent;
    border-top-color: currentColor;
    transform: translateY(3px);
  }

  .nav-item.has-children.has-active-child > a {
    color: var(--color-accent);
    font-weight: 600;
  }

  .sub-toggle {
    display: none;
  }

  .sub-menu {
    position: absolute;
    left: 0;
    top: 100%;
    min-width: 240px;
    padding: 1rem;
    margin-top: 0;
    background: #fff;
    border-radius: 0.75rem;
    box-shadow: 0 18px 48px rgba(20, 75, 112, 0.12);
    display: none;
    z-index: 999;
  }

  .nav-item.has-children:hover .sub-menu,
  .nav-item.has-children:focus-within .sub-menu {
    display: grid;
    gap: 0.5rem;
  }

  .nav-item.has-children.is-open > .sub-menu {
    display: grid;
    gap: 0.5rem;
  }

  .sub-menu a {
    color: var(--color-primary-dark);
    font-size: 0.92rem;
  }

  .section {
    padding: 5rem 0;
  }

  .hero {
    padding: 7rem 0 6rem;
  }
}
@media (max-width: 680px) {
  .hero {
    text-align: center;
  }

  .hero-actions {
    justify-content: center;
  }
}