:root {
  --color-bg: #0b1220;
  --color-surface: #131c2e;
  --color-surface-2: #101827;
  --color-line: #1f2a3d;
  --color-text: #ffffff;
  --color-muted: #a9b4c4;
  --color-soft: #6b7a8f;
  --color-accent: #4a90e2;
  --color-accent-2: #6ba6ea;
  --font-serif: 'Libre Baskerville', Georgia, serif;
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --space-page: clamp(1.25rem, 4vw, 4.5rem);
  --radius-lg: 28px;
  --radius-md: 18px;
  --shadow-soft: 0 24px 80px rgba(0, 0, 0, .35);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background:
    radial-gradient(circle at 15% 0%, rgba(74, 144, 226, .18), transparent 32rem),
    radial-gradient(circle at 85% 16%, rgba(74, 144, 226, .08), transparent 26rem),
    var(--color-bg);
  line-height: 1.6;
}
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, black, transparent 85%);
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
p { color: var(--color-muted); }
strong { color: var(--color-text); }

.skip-link {
  position: absolute;
  left: -999px;
  top: 1rem;
  z-index: 100;
  background: var(--color-text);
  color: var(--color-bg);
  padding: .75rem 1rem;
  border-radius: 999px;
}
.skip-link:focus { left: 1rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem var(--space-page);
  background: rgba(11, 18, 32, .72);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, background .2s ease;
}
.site-header.is-scrolled {
  border-color: var(--color-line);
  background: rgba(11, 18, 32, .92);
}
.brand { display: inline-flex; align-items: center; gap: .85rem; min-width: max-content; }
.brand-mark {
  width: 2.75rem;
  height: 2.75rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--color-accent);
  color: var(--color-accent-2);
  border-radius: 50%;
  font-family: var(--font-serif);
  font-weight: 700;
}
.brand strong { display: block; line-height: 1.1; }
.brand small { color: var(--color-soft); font-size: .78rem; }
.site-nav { display: flex; align-items: center; gap: 1.2rem; color: var(--color-muted); font-size: .92rem; }
.site-nav a { transition: color .2s ease; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--color-text); }
.nav-cta { color: var(--color-accent-2) !important; }
.nav-toggle { display: none; }

.section, .hero, .page-hero, .article-detail { padding: clamp(4rem, 8vw, 8rem) var(--space-page); }
.section-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(320px, .75fr); gap: clamp(2rem, 6vw, 5rem); align-items: center; }
.eyebrow {
  margin: 0 0 1rem;
  color: var(--color-accent-2);
  text-transform: uppercase;
  letter-spacing: .16em;
  font-size: .76rem;
  font-weight: 800;
}
h1, h2, h3 { margin: 0; line-height: 1.05; letter-spacing: -.045em; }
h1, h2 { font-family: var(--font-serif); }
h1 { font-size: clamp(2.6rem, 6.2vw, 5.8rem); max-width: 12ch; }
h1 span, h2 span { color: var(--color-accent-2); }
h2 { font-size: clamp(2.25rem, 5vw, 5rem); max-width: 12ch; }
h3 { font-size: clamp(1.35rem, 2vw, 2rem); }
.hero-subtitle, .section-heading p, .page-hero p { font-size: clamp(1.05rem, 1.5vw, 1.35rem); max-width: 48rem; }
.hero-actions, .center-actions, .footer-actions, .article-next { display: flex; gap: .85rem; flex-wrap: wrap; margin-top: 2rem; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: .8rem 1.15rem;
  border-radius: 999px;
  border: 1px solid var(--color-line);
  font-weight: 800;
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}
.button:hover { transform: translateY(-2px); border-color: var(--color-accent); }
.button-primary { background: var(--color-accent); color: #06101f; border-color: var(--color-accent); }
.button-ghost { background: rgba(255,255,255,.03); color: var(--color-text); }

.hero {
  position: relative;
  overflow: hidden;
  min-height: 0;
  padding-top: clamp(2.6rem, 4vw, 3.6rem);
  padding-bottom: clamp(2.4rem, 4vw, 3.4rem);
  isolation: isolate;
  border-bottom: 1px solid var(--color-line);
}
.hero-editorial {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(230px, 360px);
  align-items: center;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  background:
    radial-gradient(circle at 78% 45%, rgba(74, 144, 226, .22), transparent 26rem),
    linear-gradient(135deg, rgba(19, 28, 46, .78), rgba(11, 18, 32, .98));
}
.hero-copy {
  max-width: 760px;
  position: relative;
  z-index: 2;
}
.hero-copy h1 {
  font-size: clamp(2.05rem, 3.15vw, 2.75rem);
  line-height: 1.08;
  max-width: 700px;
  letter-spacing: -.04em;
}
.hero-subtitle {
  max-width: 42rem;
  font-size: clamp(.98rem, 1.05vw, 1.08rem);
  margin-top: 1.2rem;
}
.hero-signature {
  margin-top: 1.15rem;
  color: var(--color-soft);
  font-size: .9rem;
}
.hero-portrait {
  position: relative;
  align-self: center;
  height: 360px;
  min-height: 0;
  border-left: 1px solid rgba(74, 144, 226, .22);
  opacity: .72;
  mix-blend-mode: screen;
}
.hero-portrait::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, var(--color-bg), rgba(11,18,32,.18) 36%, rgba(11,18,32,.68)),
    linear-gradient(180deg, rgba(74,144,226,.26), rgba(11,18,32,.52));
}
.hero-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 36%;
  filter: grayscale(1) contrast(1.08) brightness(.88) sepia(.18) hue-rotate(170deg) saturate(1.9);
}
.section-heading { margin-bottom: clamp(2rem, 4vw, 3.5rem); }
.split-panel, .two-column-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(135deg, rgba(19,28,46,.9), rgba(11,18,32,.95));
}
.split-panel div, .two-column-card div { padding: clamp(1.5rem, 4vw, 3rem); }
.split-panel div + div, .two-column-card div + div { border-left: 1px solid var(--color-line); }
.split-panel span, .two-column-card span, .method-card span, .conflict-card span, .talk-card span, .article-card span, .book-map span {
  color: var(--color-accent-2);
  font-weight: 800;
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .14em;
}

.conflict-grid, .method-grid, .talk-grid, .article-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}
.conflict-card, .method-card, .talk-card, .article-card, .book-map div {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: rgba(19, 28, 46, .76);
  padding: clamp(1.25rem, 3vw, 2rem);
}
.conflict-card h3, .method-card h3, .talk-card h3 { margin-top: 1rem; }
.method-card { min-height: 18rem; display: flex; flex-direction: column; justify-content: space-between; }
.method-card small { color: var(--color-soft); }

.book-map { display: grid; gap: .9rem; }
.book-map div { display: grid; grid-template-columns: 3rem 1fr; align-items: center; gap: 1rem; padding: 1.25rem; }
.book-map p { margin: 0; color: var(--color-text); font-weight: 800; }

.author-photo { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--color-line); box-shadow: var(--shadow-soft); }
.author-photo img { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; }
.article-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.article-grid-wide { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.article-card { padding: 0; overflow: hidden; }
.article-card img { width: 100%; aspect-ratio: 1; object-fit: cover; background: var(--color-surface-2); }
.article-card div { padding: 1.25rem; }
.article-card h3, .article-card h2 { margin: .65rem 0; font-family: var(--font-sans); font-size: 1.35rem; letter-spacing: -.03em; }
.article-card a:hover { color: var(--color-accent-2); }

.page-hero { max-width: 980px; }
.page-hero h1 { max-width: 12ch; }
.article-hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, 420px); gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.article-hero h1 { font-size: clamp(2.6rem, 6vw, 5.8rem); max-width: 12ch; }
.article-hero img { border-radius: var(--radius-lg); border: 1px solid var(--color-line); box-shadow: var(--shadow-soft); }
.article-body { max-width: 760px; margin: 4rem auto 0; font-size: 1.15rem; }
.article-body h2 { font-family: var(--font-sans); font-size: 1.6rem; margin-top: 2rem; letter-spacing: -.03em; }
.article-body blockquote {
  margin: 2rem 0;
  padding: 1.4rem 1.6rem;
  border-left: 3px solid var(--color-accent);
  background: rgba(74, 144, 226, .08);
  color: var(--color-text);
  font-family: var(--font-serif);
  font-size: 1.35rem;
}
.article-body li { color: var(--color-muted); margin-bottom: .65rem; }
.article-next { justify-content: center; }

.site-footer {
  padding: clamp(3rem, 6vw, 5rem) var(--space-page);
  border-top: 1px solid var(--color-line);
  background: #070d18;
}
.site-footer h2 { font-size: clamp(2rem, 4vw, 4rem); max-width: 14ch; }
.footer-meta { margin-top: 2rem; color: var(--color-soft); font-size: .9rem; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

@media (max-width: 980px) {
  .section-grid, .article-hero { grid-template-columns: 1fr; }
  .conflict-grid, .method-grid, .talk-grid, .article-grid, .article-grid-wide { grid-template-columns: 1fr; }
  h1 { max-width: 12ch; }
  .site-nav {
    display: none;
    position: absolute;
    inset: 100% 1rem auto;
    padding: 1rem;
    border: 1px solid var(--color-line);
    border-radius: 18px;
    background: rgba(11, 18, 32, .98);
    flex-direction: column;
    align-items: stretch;
  }
  .site-nav.is-open { display: flex; }
  .nav-toggle {
    display: inline-flex;
    border: 1px solid var(--color-line);
    color: var(--color-text);
    background: rgba(255,255,255,.03);
    border-radius: 999px;
    padding: .65rem .9rem;
    font-weight: 800;
  }
}

@media (max-width: 680px) {
  .site-header { padding: .85rem 1rem; }
  .brand small { display: none; }
  .section, .hero, .page-hero, .article-detail { padding-left: 1rem; padding-right: 1rem; }
  .split-panel, .two-column-card { grid-template-columns: 1fr; }
  .split-panel div + div, .two-column-card div + div { border-left: 0; border-top: 1px solid var(--color-line); }
  h1 { font-size: clamp(2.25rem, 13vw, 3.55rem); }
  .hero { min-height: 0; padding-top: 2.25rem; padding-bottom: 2.4rem; }
  .hero-editorial { grid-template-columns: 1fr; }
  .hero-copy { max-width: 100%; }
  .hero-copy h1 { font-size: clamp(1.85rem, 7.6vw, 2.35rem); line-height: 1.1; max-width: 100%; }
  .hero-subtitle { font-size: .98rem; max-width: 92%; }
  .hero-portrait { position: absolute; right: -2.4rem; bottom: .75rem; width: 170px; height: 230px; min-height: 0; border: 0; opacity: .28; margin: 0; z-index: 0; }
  .hero-portrait::before { background: linear-gradient(90deg, rgba(11,18,32,.92), rgba(11,18,32,.34)); }
}

/* Hero final visual balance: portrait visible but secondary. */
.hero-portrait.reveal.is-visible { opacity: .58; }
@media (max-width: 680px) {
  .hero-portrait.reveal.is-visible { opacity: .30; }
}