:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --primary: #0f4c81;
  --primary-dark: #0b355f;
  --accent: #ff9f1c;
  --text: #1f2a37;
  --muted: #5f6c7b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

img {
  max-width: 100%;
}

.container {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  background: var(--surface);
  border-bottom: 1px solid #e2e8f0;
  position: sticky;
  top: 0;
  z-index: 10;
}

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

.logo {
  color: var(--primary);
  font-weight: 700;
  font-size: 1.2rem;
  text-decoration: none;
}

.main-nav {
  display: flex;
  gap: 1rem;
}

.main-nav a {
  text-decoration: none;
  color: var(--text);
  font-weight: 600;
}

.hero {
  padding: 4rem 0 3rem;
  background: linear-gradient(135deg, #eef6ff 0%, #f9fcff 100%);
}

.hero-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1.5fr 1fr;
  align-items: center;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--primary);
  font-weight: 700;
  font-size: 0.8rem;
  margin-bottom: 0.5rem;
}

h1,
h2,
h3 {
  margin-top: 0;
}

h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1rem;
}

.hero-text {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 650px;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 0.8rem 1.2rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--primary);
  color: white;
  box-shadow: 0 8px 20px rgba(15, 76, 129, 0.2);
}

.btn-secondary {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
}

.hero-card,
.card {
  background: var(--surface);
  border-radius: 1rem;
  padding: 1.5rem;
  box-shadow: 0 12px 32px rgba(15, 76, 129, 0.08);
}

.hero-photo-card {
  padding: 0;
  overflow: hidden;
}

.hero-photo-card img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  display: block;
}

.hero-card-content {
  padding: 1.5rem;
}

.hero-card ul {
  padding-left: 1rem;
  color: var(--muted);
}

.section {
  padding: 3rem 0;
}

.section-alt {
  background: #eef6ff;
}

.demo-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.section-text {
  color: var(--muted);
  max-width: 720px;
  margin-bottom: 1.5rem;
}

.type-card {
  min-height: 320px;
  justify-content: space-between;
}

.type-image {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 0.8rem;
}

.type-icon {
  font-size: 2rem;
  width: 3rem;
  height: 3rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #eef5ff;
}

.photo-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.photo-strip img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: 1rem;
  box-shadow: 0 10px 24px rgba(15, 76, 129, 0.08);
}

.feature-list {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-list div {
  background: var(--surface);
  padding: 1.25rem;
  border-radius: 1rem;
}

.page-section {
  padding: 4rem 0;
}

.page-card {
  background: var(--surface);
  border-radius: 1rem;
  padding: 2rem;
  box-shadow: 0 12px 32px rgba(15, 76, 129, 0.08);
}

.image-card img {
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: cover;
  border-radius: 1rem;
}

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

.contact-list {
  padding-left: 1rem;
  color: var(--muted);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.contact-form input,
.contact-form textarea {
  padding: 0.8rem;
  border: 1px solid #d6e0ea;
  border-radius: 0.6rem;
  font: inherit;
}

.site-footer {
  background: var(--primary-dark);
  color: white;
  padding: 1.5rem 0;
}

.footer-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-wrap .btn-secondary {
  color: white;
  border-color: white;
}

.sources {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: #dce9f5;
}

.sources a {
  color: white;
}

@media (max-width: 768px) {
  .hero-grid,
  .demo-grid,
  .feature-list,
  .photo-strip,
  .page-grid {
    grid-template-columns: 1fr;
  }

  .type-card {
    min-height: auto;
  }

  .main-nav {
    gap: 0.75rem;
    font-size: 0.95rem;
  }
}