:root {
  --color-bg: #f4f7fb;
  --color-surface: #ffffff;
  --color-surface-alt: #edf3fb;
  --color-text: #132437;
  --color-muted: #4d6075;
  --color-primary: #0f6fb8;
  --color-primary-strong: #0c568d;
  --color-accent: #f0a14a;
  --color-border: #d4e0ef;
  --shadow-soft: 0 12px 30px rgba(14, 40, 70, 0.1);
  --radius-sm: 0.7rem;
  --radius-md: 1.05rem;
  --radius-lg: 1.5rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid color-mix(in srgb, var(--color-border), white 22%);
  background: color-mix(in srgb, var(--color-surface), white 18%);
  box-shadow: 0 8px 24px rgba(11, 34, 56, 0.08);
  backdrop-filter: saturate(150%) blur(10px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: 5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
}

.brand img {
  width: 156px;
  height: auto;
}

.menu-toggle {
  border: 1px solid color-mix(in srgb, var(--color-border), black 6%);
  border-radius: 999px;
  background: var(--color-surface);
  color: var(--color-text);
  padding: 0.5rem 1rem;
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(12, 35, 56, 0.08);
  cursor: pointer;
}

.menu-toggle:hover {
  border-color: color-mix(in srgb, var(--color-primary), black 5%);
  color: var(--color-primary);
}

.site-nav {
  position: fixed;
  inset: 5rem 1rem auto;
  border: 1px solid color-mix(in srgb, var(--color-border), black 4%);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--color-surface), white 5%);
  box-shadow: 0 20px 34px rgba(7, 27, 46, 0.16);
  padding: 0.8rem;
  transform: translateY(-140%);
  opacity: 0;
  pointer-events: none;
  transition: transform 220ms ease, opacity 220ms ease;
}

body.nav-open .site-nav {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.site-nav ul {
  display: grid;
  gap: 0.2rem;
}

.site-nav a {
  display: block;
  border-radius: 0.65rem;
  color: var(--color-text);
  font-weight: 700;
  letter-spacing: 0.01em;
  padding: 0.62rem 0.82rem;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  background: color-mix(in srgb, var(--color-primary), white 88%);
  color: var(--color-primary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.95rem 1.4rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.01em;
  white-space: nowrap;
  transition:
    transform 170ms ease,
    box-shadow 170ms ease,
    border-color 170ms ease,
    color 170ms ease,
    background-color 170ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(145deg, var(--color-primary) 0%, #2b8fd7 100%);
  border-color: color-mix(in srgb, var(--color-primary), black 9%);
  box-shadow: 0 14px 24px rgba(15, 111, 184, 0.26);
  color: #f7fcff;
}

.btn-primary:hover {
  background: linear-gradient(145deg, var(--color-primary-strong) 0%, #1b78be 100%);
  border-color: color-mix(in srgb, var(--color-primary-strong), black 10%);
}

.btn-secondary {
  background: var(--color-surface);
  border-color: color-mix(in srgb, var(--color-border), black 5%);
  color: var(--color-text);
  box-shadow: 0 6px 14px rgba(15, 35, 57, 0.08);
}

.btn-secondary:hover {
  border-color: color-mix(in srgb, var(--color-primary), black 5%);
  color: var(--color-primary);
}

.grid {
  display: grid;
  gap: clamp(var(--space-4), 1.8vw, var(--space-5));
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.card {
  background: var(--color-surface);
  border: 1px solid color-mix(in srgb, var(--color-border), white 20%);
  border-radius: var(--radius-md);
  padding: clamp(var(--space-4), 2.2vw, var(--space-5));
  box-shadow: var(--shadow-soft);
  transition: transform 170ms ease, box-shadow 170ms ease, border-color 170ms ease;
}

.card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--color-primary), white 72%);
  box-shadow: 0 18px 34px rgba(13, 38, 66, 0.15);
}

.card h3 {
  margin-bottom: var(--space-2);
}

.cta-banner {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid color-mix(in srgb, var(--color-primary), white 22%);
  padding: clamp(var(--space-5), 4.2vw, var(--space-7));
  background: linear-gradient(132deg, #0b4f82 0%, #0f6fb8 56%, #2a93de 100%);
  box-shadow: 0 20px 42px rgba(6, 45, 76, 0.24);
  color: #f5fbff;
}

.cta-banner::before {
  content: "";
  position: absolute;
  inset: -40% -15% auto;
  height: 100%;
  background: radial-gradient(circle at top, rgba(255, 255, 255, 0.26), transparent 72%);
  pointer-events: none;
  z-index: -1;
}

.cta-banner h2,
.cta-banner p,
.cta-banner a,
.cta-banner strong {
  color: inherit;
}

.cta-banner .btn-primary {
  background: #ffffff;
  border-color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 12px 24px rgba(8, 24, 39, 0.18);
  color: var(--color-primary-strong);
}

.cta-banner .btn-primary:hover {
  background: #f2f8ff;
  border-color: #ffffff;
}

.cta-banner .btn-secondary {
  background: rgba(246, 252, 255, 0.12);
  border-color: rgba(246, 252, 255, 0.45);
  color: #f6fbff;
  box-shadow: none;
}

.cta-banner .btn-secondary:hover {
  border-color: rgba(246, 252, 255, 0.92);
  background: rgba(246, 252, 255, 0.2);
}

.cta-actions {
  margin-top: var(--space-5);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.site-footer {
  margin-top: clamp(var(--space-6), 6vw, var(--space-8));
  border-top: 1px solid color-mix(in srgb, var(--color-border), black 8%);
  background: linear-gradient(170deg, #0f1f32 0%, #16314f 100%);
}

.footer-inner {
  min-height: 6.2rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-5);
}

.footer-inner p {
  max-width: 85ch;
  color: #d6e5f4;
  line-height: 1.72;
}

.footer-inner ul {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

@media (min-width: 36rem) {
  .cta-actions .btn {
    flex: 0 0 auto;
  }
}

@media (min-width: 62rem) {
  .menu-toggle {
    display: none;
  }

  .site-nav {
    position: static;
    inset: auto;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    padding: 0;
    opacity: 1;
    pointer-events: auto;
    transform: none;
  }

  .site-nav ul {
    display: flex;
    align-items: center;
    gap: 0.4rem;
  }

  .site-nav a {
    padding: 0.56rem 0.86rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .btn,
  .card,
  .site-nav,
  .service-list .card::before,
  .social-media-card img {
    transition: none;
  }
}