:root {
  --blue: #1e88e5;
  --dark-blue: #0d47a1;
  --light-gray: #f5f5f5;
  --white: #ffffff;
  --text: #1a1a1a;
  --radius: 14px;
  --shadow: 0 8px 20px rgba(13, 71, 161, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--light-gray);
  line-height: 1.6;
}

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

.section {
  padding: 3.5rem 0;
}

.alt {
  background: var(--white);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 70px;
  gap: 1rem;
}

.brand {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--dark-blue);
  text-decoration: none;
}

.menu-toggle {
  border: none;
  background: var(--white);
  color: var(--dark-blue);
  font-size: 1.5rem;
  cursor: pointer;
}

.nav-links {
  display: none;
  list-style: none;
  padding: 0;
  margin: 0;
  width: 100%;
  flex-direction: column;
  background: var(--white);
}

.nav-links.open {
  display: flex;
}

.nav-links a {
  display: block;
  padding: 0.8rem 0;
  color: var(--dark-blue);
  text-decoration: none;
  font-weight: 600;
}

.nav-links a[aria-current="page"] {
  color: var(--blue);
}

.hero {
  color: var(--white);
  text-align: center;
  background: linear-gradient(120deg, var(--blue), var(--dark-blue));
}

.hero h1 {
  font-size: clamp(2rem, 6vw, 3rem);
  margin-bottom: 0.75rem;
}

.hero p,
.page-intro p {
  margin: 0 auto 1.5rem;
  max-width: 700px;
}

.button {
  display: inline-block;
  border: none;
  border-radius: 999px;
  background: var(--white);
  color: var(--dark-blue);
  padding: 0.75rem 1.25rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

.cta .button,
form .button {
  background: var(--blue);
  color: var(--white);
}

.grid {
  display: grid;
  gap: 1rem;
}

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

.card {
  background: var(--white);
  padding: 1.25rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.card h2,
.card h3 {
  margin-top: 0;
  color: var(--dark-blue);
}

.card a {
  color: var(--blue);
  font-weight: 600;
}

.icon {
  font-size: 1.35rem;
  display: inline-block;
  margin-bottom: 0.5rem;
}

.center {
  text-align: center;
}

.cta {
  text-align: center;
}

.about-grid,
.contact-grid {
  grid-template-columns: 1fr;
}

.map-placeholder {
  display: grid;
  place-items: center;
  min-height: 200px;
  border: 2px dashed var(--blue);
  border-radius: var(--radius);
  color: var(--dark-blue);
  background: rgba(30, 136, 229, 0.08);
  text-align: center;
  font-weight: 600;
  padding: 1rem;
}

form {
  display: grid;
  gap: 0.65rem;
}

input,
textarea {
  width: 100%;
  border: 1px solid #c7d8f5;
  border-radius: 10px;
  padding: 0.7rem;
  font: inherit;
}

input:focus,
textarea:focus {
  outline: 2px solid rgba(30, 136, 229, 0.45);
  border-color: var(--blue);
}

.form-status {
  min-height: 1.2em;
  margin: 0;
  font-size: 0.95rem;
}

.form-status.error {
  color: #b00020;
}

.form-status.success {
  color: #1b5e20;
}

.site-footer {
  background: var(--dark-blue);
  color: var(--white);
  padding: 1rem 0;
  text-align: center;
}

@media (min-width: 700px) {
  .menu-toggle {
    display: none;
  }

  .nav-links {
    display: flex;
    width: auto;
    flex-direction: row;
    gap: 1rem;
  }

  .nav-links a {
    padding: 0;
  }

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

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

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

@media (min-width: 980px) {
  .services-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}