:root {
  --bg: #ffffff;
  --primary: #062d25;
  --dark: #000000;
  --light: #ffffff;
  --muted: #000000;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", Avenir, Helvetica, Arial, sans-serif;
  background-color: var(--bg);
  color: var(--dark);
  line-height: 1.6;
}

.container {
  width: min(1100px, 92vw);
  margin: 0 auto;
  padding: 1rem;
}

.site-header {
  background-color: var(--light);
  border-bottom: 2px solid #000000;
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-header h1 {
  font-size: 1.4rem;
  margin: 0;
}

.main-nav {
  display: flex;
  gap: 0.8rem;
}

.main-nav a {
  text-decoration: none;
  color: var(--dark);
  padding: 0.55rem 0.9rem;
  border-radius: 5px;
  font-weight: 600;
}

.main-nav a:hover,
.main-nav a.active {
  background-color: var(--primary);
  color: var(--light);
}

.hero {
  text-align: center;
  padding: 4rem 1rem;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.9)), url('https://images.unsplash.com/photo-1516837617793-6b6a7b1b8b9b?ixlib=rb-4.0.3&auto=format&fit=crop&w=1350&q=80');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  border-radius: 12px;
  margin: 0;
}

.hero h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  color: var(--light);
}

.hero p {
  color: var(--light);
}

.btn {
  display: inline-block;
  background-color: var(--primary);
  color: var(--light);
  text-decoration: none;
  border: none;
  border-radius: 8px;
  padding: 0.75rem 1.25rem;
  cursor: pointer;
  font-weight: 700;
  transition: transform 0.25s ease, background-color 0.25s ease;
}

.btn:hover {
  background-color: #000000;
  transform: translateY(-2px);
}

.features,
.cards,
.services-list {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

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

.features article,
.card,
.services-list li {
  background-color: var(--light);
  border: 2px solid #000000;
  border-radius: 10px;
  padding: 1rem;
}

.card h3,
.services-list h3 {
  margin-top: 0;
}

.page-content {
  margin-top: 1.5rem;
}

.contact-form {
  background-color: var(--light);
  border: 2px solid #000000;
  border-radius: 10px;
  padding: 1.4rem;
  max-width: 650px;
}

.contact-form label {
  display: block;
  margin: 0.75rem 0 0.35rem;
  color: var(--muted);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.7rem;
  border: 2px solid #000000;
  border-radius: 6px;
  margin-bottom: 0.5rem;
  font: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid var(--primary);
  border-color: var(--primary);
}

.contact-info {
  margin-top: 1.5rem;
  background-color: var(--light);
  border: 2px solid #000000;
  border-radius: 10px;
  padding: 1rem;
}

.site-footer {
  background-color: var(--dark);
  color: var(--light);
  text-align: center;
  padding: 1rem 0;
  margin-top: 2rem;
}

@media (max-width: 760px) {
  .site-header .container {
    flex-direction: column;
    align-items: flex-start;
  }

  .main-nav {
    flex-wrap: wrap;
  }
}