:root {
  color-scheme: light;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  background-color: #f4f7fb;
  color: #12263f;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  font-size: 16px;
  color: #0f172a;
  background-color: #f4f7fb;
}

.hero {
  padding: 5rem 1.5rem;
  text-align: center;
  background: linear-gradient(135deg, #0f172a 0%, #1d4ed8 100%);
  color: #ffffff;
}

.hero-copy {
  max-width: 48rem;
  margin: 0 auto;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin: 1.5rem 0;
}

.main-nav a {
  color: #e2e8f0;
  text-decoration: none;
  font-weight: 600;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  text-decoration: underline;
}

  opacity: 0.85;
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.05;
}

.hero p {
  margin: 0 auto 1.75rem;
  max-width: 42rem;
  font-size: 1.125rem;
}

.image-placeholder {
  min-height: 220px;
  margin-top: 1.5rem;
  border-radius: 1rem;
  background: linear-gradient(135deg, #e2e8f0 0%, #f8fafc 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #475569;
  font-size: 1rem;
  border: 1px dashed #cbd5e1;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.95rem 1.75rem;
  border-radius: 999px;
  background-color: #ffffff;
  color: #1d4ed8;
  text-decoration: none;
  font-weight: 700;
  transition: transform 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 12px 30px rgba(59, 130, 246, 0.18);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
  background-color: #e0e7ff;
  box-shadow: 0 18px 40px rgba(59, 130, 246, 0.25);
}

@media (max-width: 900px) {
  .hero h1 {
    font-size: clamp(2rem, 5vw, 2.8rem);
  }

  .hero p {
    font-size: 1rem;
  }

  .main-nav {
    gap: 0.75rem;
  }
}

@media (max-width: 640px) {
  .hero {
    padding: 3rem 1rem;
  }

  .hero-copy {
    padding: 0 0.5rem;
  }

  .button {
    width: 100%;
    padding: 1rem 1rem;
  }

  .main-nav {
    flex-direction: column;
    align-items: center;
  }

  .hero h1 {
    font-size: clamp(1.8rem, 7vw, 2.4rem);
  }

  .section {
    padding: 1.5rem;
  }

  .gallery-grid img {
    height: 180px;
  }
}

@media (max-width: 480px) {
  .gallery-grid img {
    height: 160px;
  }

  .cta-banner p {
    font-size: 1rem;
  }
}

main {
  padding: 3rem 1.5rem;
  max-width: 72rem;
  margin: 0 auto;
}

.section {
  margin-bottom: 2.5rem;
  padding: 2rem;
  background-color: #ffffff;
  border-radius: 1rem;
  box-shadow: 0 20px 60px rgba(15, 23, 42, 0.07);
}

.cta-banner {
  margin: 2rem 0;
  padding: 1.75rem 1.5rem;
  border-radius: 1rem;
  background: linear-gradient(90deg, #2563eb 0%, #1d4ed8 100%);
  color: #ffffff;
  text-align: center;
}

.cta-banner p {
  margin: 0;
  font-size: 1.1rem;
}

.cta-banner a {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.9rem 1.5rem;
  background-color: #ffffff;
  color: #1d4ed8;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
}

.cta-banner a:hover,
.cta-banner a:focus-visible {
  background-color: #e0e7ff;
}

.section h2 {
  margin-top: 0;
  color: #0f172a;
}

.section ul {
  margin: 1rem 0 0;
  padding-left: 1.25rem;
}

.section li {
  margin-bottom: 0.75rem;
}

.service-extra {
  margin-top: 1.75rem;
  padding: 1.5rem;
  background-color: #eef2ff;
  border-left: 4px solid #2563eb;
  border-radius: 0.75rem;
}

.service-extra h3 {
  margin-top: 0;
}

.service-extra ul {
  margin: 1rem 0 0;
  padding-left: 1.25rem;
}

footer {
  padding: 1.5rem;
  text-align: center;
  color: #475569;
}

@media (max-width: 640px) {
  .hero {
    padding: 4rem 1rem;
  }

  .section {
    padding: 1.5rem;
  }
}

.image-preview {
  margin-top: 1.5rem;
  overflow: hidden;
  border-radius: 1rem;
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.08);
}

.image-preview img {
  width: 100%;
  display: block;
  object-fit: cover;
}

.gallery-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 1.5rem;
}

.gallery-grid img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: 1rem;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
}

@media (max-width: 900px) {
  .gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .gallery-grid {
    grid-template-columns: 1fr;
  }
}