/* Base Reset */
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue", Arial, sans-serif;
  color: #1b1f24;
  background-image: url('../images/img01.png');
  background-size: cover;
  background-position: center center;
  background-attachment: fixed;
}

/* Layout */
.site-header {
  width: 100%;
  padding: 12px 16px;
  backdrop-filter: blur(6px);
}
.top-nav {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand, .nav-link {
  color: #0a0a0a;
  text-decoration: none;
  font-weight: 600;
}
.nav-link.active { text-decoration: underline; }

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 16px 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.block { width: 100%; }
.image {
  display: block;
  max-width: min(720px, 100%);
  width: 100%;
  height: auto;
  margin-left: auto;
  margin-right: auto;
  border-radius: 12px;
  box-shadow: 0 6px 24px rgba(0,0,0,0.08);
}

/* Spacing requirements */
.spacer-large { height: clamp(32px, 6vw, 72px); }
.spacer-medium { height: clamp(20px, 4vw, 48px); }

.tight-pair {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px; /* 05 and 06 close together */
}

.site-footer {
  width: 100%;
  position: relative;
  padding: 24px 16px;
}
.footer-inner {
  max-width: 960px;
  margin: 0 auto;
  color: #111;
  font-size: 14px;
  text-align: center;
}
.footer-inner a { color: inherit; }

/* Content sections */
.content {
  max-width: 720px;
  width: 100%;
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(4px);
  padding: 16px 20px;
  border-radius: 12px;
  box-shadow: 0 6px 24px rgba(0,0,0,0.05);
}

.policy { max-width: 820px; }

/* Responsive tweaks */
@media (max-width: 640px) {
  .image { border-radius: 10px; }
  .top-nav { gap: 8px; }
}

/* Desktop-specific sizing */
@media (min-width: 1024px) {
  .image {
    max-width: 480px; /* reduce overall image size on PCs */
  }
}

/* CTA and Buttons */
.cta {
  width: 100%;
  display: flex;
  justify-content: center;
  margin-top: 16px;
}
.btn {
  display: inline-block;
  padding: 12px 18px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.1s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}
.btn.primary {
  background: #1a73e8;
  color: #fff;
  box-shadow: 0 6px 18px rgba(26, 115, 232, 0.3);
}
.btn.primary:hover { background: #155fc0; }
.btn:active { transform: translateY(1px); }