:root {
  --background: #f7f5f0;
  --surface: #ffffff;
  --text: #1f242b;
  --muted: #66707c;
  --line: #dcd8cf;
  --accent: #172b4d;
  --max-width: 1120px;
}

* { box-sizing: border-box; }
html { font-size: 17px; }

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.68;
}

a { color: var(--accent); }

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

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(247, 245, 240, 0.96);
}

.header-inner {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.site-title {
  flex: 0 0 auto;
  color: var(--text);
  font-weight: 750;
  text-decoration: none;
  letter-spacing: -0.02em;
}

.site-navigation,
.primary-menu,
.language-menu {
  display: flex;
  align-items: center;
}

.site-navigation {
  justify-content: flex-end;
  gap: 1.25rem;
}

.primary-menu { gap: 1.1rem; }

.language-menu {
  gap: 0.45rem;
  padding-left: 1.1rem;
  border-left: 1px solid var(--line);
}

.site-navigation a,
.menu-link,
.language-link {
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 650;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
}

.site-navigation a:hover { text-decoration: underline; }
.language-link.is-active { color: var(--text); }

.menu-link.is-disabled,
.language-link.is-disabled {
  color: var(--muted);
  cursor: default;
  opacity: 0.55;
}

.hero { padding: 5rem 0 4rem; }
.page-header { padding: 4.5rem 0 2.5rem; }
.section { padding: 1rem 0 5rem; }

.eyebrow {
  margin: 0 0 0.8rem;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.12em;
}

h1, h2, h3 {
  line-height: 1.15;
  letter-spacing: -0.035em;
}

h1 { margin: 0 0 1.25rem; font-size: clamp(2.4rem, 6vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 5vw, 2.25rem); }
h3 { font-size: 1.35rem; }

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(260px, 0.7fr);
  align-items: center;
  gap: 4rem;
}

.hero-title {
  max-width: 760px;
  margin: 0;
  text-align: center;
  font-size: clamp(2.7rem, 4.6vw, 4rem);
  line-height: 1.03;
}

.hero-title-line,
.hero-connector,
.hero-emphasis {
  display: block;
}

.hero-title-line,
.hero-emphasis {
  font-weight: 780;
}

.hero-connector {
  margin: 0.8rem 0 0.18rem;
  color: var(--muted);
  font-size: 0.42em;
  font-weight: 560;
  letter-spacing: 0;
}

.hero-emphasis { color: var(--accent); }

.hero-copy {
  display: flex;
  align-items: center;
  min-height: 100%;
  padding-left: 3.5rem;
  border-left: 1px solid var(--line);
}

.hero-topics { margin: 0; }

.hero-topic,
.hero-system-line {
  margin: 0;
}

.hero-topic {
  font-size: 1.1rem;
  font-weight: 720;
  line-height: 1.3;
  letter-spacing: -0.015em;
}

.hero-topic + .hero-topic { margin-top: 1.8rem; }

.hero-system-line {
  margin-top: 2.2rem;
  color: var(--accent);
  font-size: 1rem;
  font-weight: 720;
  line-height: 1.4;
}

.lead {
  max-width: 820px;
  margin: 4.25rem auto 0;
  color: #3f4852;
  font-size: 1.08rem;
  line-height: 1.75;
  text-align: center;
}

.button {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.8rem 1.05rem;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  border-bottom: 1px solid var(--line);
}

.article-list { display: grid; gap: 1rem; padding: 1.5rem 0 4rem; }

.article-card {
  padding: 1.4rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
}

.article-card h2, .article-card h3 { margin: 0.25rem 0 0.6rem; }
.article-card a { color: var(--text); text-decoration: none; }
.article-card a:hover { text-decoration: underline; }

.meta, .publication-meta {
  color: var(--muted);
  font-size: 0.85rem;
}

.publication { padding: 4.5rem 0 6rem; }
.publication-header { padding-bottom: 2rem; border-bottom: 1px solid var(--line); }
.publication-header h1 { font-size: clamp(2.2rem, 7vw, 4rem); }
.publication-meta { display: flex; flex-wrap: wrap; gap: 0.5rem 1.2rem; }

.content {
  max-width: 760px;
  padding-top: 2rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.08rem;
}

.content h2, .content h3 {
  margin-top: 2.4rem;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.content blockquote {
  margin-left: 0;
  padding-left: 1rem;
  border-left: 3px solid var(--line);
  color: #4f5964;
}

.content img { max-width: 100%; height: auto; }

.site-footer {
  padding: 2rem 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.85rem;
}

@media (max-width: 760px) {
  html { font-size: 16px; }

  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.8rem;
    padding: 1rem 0;
  }

  .site-navigation {
    width: 100%;
    align-items: flex-start;
    flex-direction: column;
    gap: 0.85rem;
  }

  .primary-menu {
    width: 100%;
    flex-wrap: wrap;
    gap: 0.7rem 1rem;
  }

  .language-menu {
    padding-left: 0;
    border-left: 0;
  }

  .hero { padding: 3rem 0 2.5rem; }

  .hero-layout {
    grid-template-columns: 1fr;
    gap: 2.35rem;
  }

  .hero-title {
    font-size: clamp(2.05rem, 10vw, 2.8rem);
    text-align: left;
  }

  .hero-connector { margin-top: 0.6rem; }

  .hero-copy {
    padding: 1.4rem 0 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .hero-topic + .hero-topic { margin-top: 0.8rem; }
  .hero-system-line { margin-top: 1.25rem; }

  .lead {
    max-width: 100%;
    margin-top: 2.35rem;
    text-align: left;
  }

  .section-heading {
    align-items: flex-start;
    flex-direction: column;
    padding-bottom: 1rem;
  }
}