/* Basic reset */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  color: #222;
  background-color: #faf7f3;
}

/* Layout helpers */
.container {
  width: 90%;
  max-width: 1100px;
  margin: 0 auto;
}

/* Header */
.site-header {
  background-color: #1f2933;
  color: #f9fafb;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 0;
}

.logo-main {
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: 0.03em;
}

.logo-sub {
  display: block;
  font-size: 0.8rem;
  opacity: 0.8;
}

.site-nav a {
  color: #f9fafb;
  text-decoration: none;
  margin-left: 1rem;
  font-size: 0.9rem;
}

.site-nav a:hover {
  text-decoration: underline;
}

/* Sections */
.section {
  padding: 3.5rem 0;
}

.section-alt {
  background-color: #f2ece5;
}

.section h2 {
  font-size: 1.6rem;
  margin-bottom: 1rem;
}

.section p {
  margin-bottom: 1rem;
}

/* Hero */
.hero {
  background: radial-gradient(circle at top left, #f5e4c0, #fdfaf6);
}

.hero-inner {
  padding: 3rem 0 2rem;
}

.hero h1 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.hero-cta {
  font-weight: 500;
}

/* Cards */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.card {
  background-color: #ffffff;
  border-radius: 8px;
  padding: 1.2rem 1.3rem;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.card h3 {
  margin-bottom: 0.4rem;
}

/* Figures */
.figure-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 1.5rem;
}

.figure-card {
  background-color: #ffffff;
  border-radius: 8px;
  padding: 1rem 1.2rem 1.3rem;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
}

.figure-card h3 {
  margin-bottom: 0.4rem;
}

.figure-caption {
  font-size: 0.9rem;
  color: #555;
  margin-bottom: 0.8rem;
}

.figure-frame {
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid #ddd;
}

/* The iframe itself */
.figure-frame iframe {
  width: 100%;
  height: 420px;
  border: none;
}

/* Lists */
.bullets {
  margin-left: 1.2rem;
}

.bullets li {
  margin-bottom: 0.4rem;
}

/* Contact */
.contact-line {
  margin-bottom: 0.4rem;
}

/* Footer */
.site-footer {
  background-color: #111827;
  color: #f9fafb;
  padding: 1rem 0;
  font-size: 0.85rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Responsive tweaks */
@media (max-width: 768px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .site-nav {
    display: flex;
    flex-wrap: wrap;
  }

  .site-nav a {
    margin-left: 0;
    margin-right: 0.75rem;
    margin-bottom: 0.2rem;
  }

  .figure-frame iframe {
    height: 360px;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.3rem;
  }
}