:root { color-scheme: light; }

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Segoe UI, Arial, sans-serif;
  color: #1f2937;
  line-height: 1.5;
}

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

.site-header {
  background: #0b1f45;
  color: #fff;
}

.site-header--sticky {
  position: sticky;
  top: 0;
  z-index: 10;
}

.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

.page-contact .container {
  width: min(900px, 92%);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 0;
  gap: 1rem;
  flex-wrap: wrap;
}

.nav-links {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.nav-links a {
  padding: 0.4rem 0.6rem;
  border-radius: 6px;
}

.nav-links a[aria-current="page"] {
  background: #204183;
}

.menu-btn {
  display: none;
  background: transparent;
  border: 1px solid #6d84b7;
  color: #fff;
  padding: 0.4rem 0.7rem;
  border-radius: 6px;
}

.hero {
  padding: 3rem 0 2rem;
  background: linear-gradient(180deg, #f4f8ff, #ffffff);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 2rem;
  align-items: center;
}

h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin: 0 0 1rem;
  color: #0f172a;
}

.btn {
  background: #0b57d0;
  color: #fff;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  display: inline-block;
}

.section {
  padding: 2.5rem 0;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.card {
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  padding: 1rem;
  background: #fff;
}

main {
  padding: 2.5rem 0;
}

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}

.services {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.service {
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  padding: 1rem;
}

form {
  display: grid;
  gap: 0.8rem;
  max-width: 560px;
}

input,
textarea {
  width: 100%;
  padding: 0.65rem;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  font: inherit;
}

button[type="submit"] {
  width: fit-content;
  background: #0b57d0;
  color: #fff;
  border: 0;
  padding: 0.7rem 1rem;
  border-radius: 8px;
  cursor: pointer;
}

.status {
  margin-top: 0.8rem;
  color: #065f46;
}

.img-fluid-rounded {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
}

.img-spaced {
  margin: 1rem 0 1.5rem;
}

footer {
  border-top: 1px solid #e5e7eb;
  padding: 1rem 0;
  color: #4b5563;
}

.page-home footer {
  font-size: 0.95rem;
}

.page-services footer,
.page-contact footer {
  margin-top: 2rem;
}

@media (max-width: 900px) {
  .services {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 800px) {
  .hero-grid,
  .cards,
  .grid {
    grid-template-columns: 1fr;
  }

  .menu-btn {
    display: inline-block;
  }

  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
  }

  .page-home .nav-links {
    align-items: flex-start;
  }

  .nav-links[data-open="true"] {
    display: flex;
    padding-bottom: 1rem;
  }
}