/* ─────────────────────────────────────────────────────────────
   State of Industry — shared styles for the blog index + articles.
   Tokens mirror index.html so the section reads as one site.
   ───────────────────────────────────────────────────────────── */

:root {
  --bg-dark: #0C0A07;
  --bg-darker: #050403;
  --bg-card: #131009;
  --text-light: #F0EAD8;
  --text-dark: #0C0A07;
  --text-muted: rgba(240, 234, 216, .55);
  --text-faint: rgba(240, 234, 216, .35);
  --text-alabaster: #F5F0E8;
  --accent-primary: #133b64;
  --accent-secondary: #8b2942;
  --accent-warning: #C9A55C;
  --accent-success: #2d4a3e;
  --line-light: rgba(240, 234, 216, .15);
  --line-faint: rgba(240, 234, 216, .08);
  --line-gold: rgba(201, 165, 92, .4);
  --font-display: "Anton", sans-serif;
  --font-serif: "Cormorant Garamond", serif;
  --font-body: "DM Sans", sans-serif;
  --ease-breath: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text-light);
  background: var(--bg-dark);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent-warning); outline-offset: 3px; }
::selection { background: var(--accent-warning); color: var(--bg-dark); }
img { max-width: 100%; display: block; }

.skip-link { position: absolute; top: -100px; left: 0; padding: 1rem; background: var(--accent-warning); color: var(--bg-dark); z-index: 100; }
.skip-link:focus { top: 0; }

/* ── Navigation (mirrors index.html) ───────────────────── */
.navigation {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  background: rgba(12, 10, 7, 0.72);
  border-bottom: 1px solid var(--line-light);
}
.nav-container {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.15rem 6vw; max-width: 1400px; margin: 0 auto;
}
.nav-brand {
  font-family: var(--font-display);
  font-size: 1rem; letter-spacing: 0.13em;
  text-transform: uppercase; white-space: nowrap;
  color: var(--text-alabaster);
}
.nav-right { display: flex; align-items: center; gap: 1.5rem; }
.nav-link {
  font-family: var(--font-body); font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text-muted); transition: color 200ms;
}
.nav-link:hover, .nav-link[aria-current="page"] { color: var(--accent-warning); }
.nav-cta {
  font-family: var(--font-body); font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent-warning); background: transparent;
  padding: 0.65rem 1.1rem;
  border: 1px solid var(--line-gold); border-radius: 999px;
  transition: background 200ms var(--ease-breath), color 200ms var(--ease-breath), transform 220ms;
}
.nav-cta:hover, .nav-cta:focus-visible {
  background: var(--accent-warning); color: var(--bg-dark); outline: none; transform: translateY(-1px);
}
.nav-cta .cta-short { display: none; }
@media (max-width: 720px) {
  .nav-right { gap: 1rem; }
  .nav-link { font-size: 0.62rem; }
  .nav-cta { padding: 0.55rem 0.85rem; font-size: 0.62rem; white-space: nowrap; }
  .nav-container { padding: 0.9rem 5vw; }
  .nav-brand { font-size: 0.82rem; letter-spacing: 0.1em; }
}
@media (max-width: 460px) {
  .nav-brand { font-size: 0.72rem; letter-spacing: 0.06em; }
  .nav-link { display: none; }
  .nav-cta { font-size: 0.62rem; letter-spacing: 0.1em; padding: 0.45rem 0.85rem; }
  .nav-cta .cta-full { display: none; }
  .nav-cta .cta-short { display: inline; }
  .nav-right { gap: 0.75rem; }
}

/* ── Shared layout ─────────────────────────────────────── */
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 6vw; }
.eyebrow {
  font-family: var(--font-body); font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent-warning);
}

/* ── Index hero ────────────────────────────────────────── */
.soi-hero {
  padding: 10rem 6vw 4rem;
  max-width: 1180px; margin: 0 auto;
  border-bottom: 1px solid var(--line-faint);
}
.soi-hero .eyebrow-line {
  display: flex; align-items: center; gap: 1rem; margin-bottom: 1.5rem;
}
.soi-hero .eyebrow-line::after {
  content: ""; flex: 1; height: 1px; background: var(--line-light);
}
.soi-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 7vw, 5rem);
  line-height: 0.98; letter-spacing: 0.01em;
  color: var(--text-alabaster); margin: 0 0 1.5rem;
  text-transform: uppercase;
}
.soi-hero p {
  font-family: var(--font-serif);
  font-size: clamp(1.15rem, 2.2vw, 1.5rem);
  font-style: italic; color: var(--text-muted);
  max-width: 640px; margin: 0; line-height: 1.5;
}

/* ── Pillar groups ─────────────────────────────────────── */
.soi-pillar { padding: 3.5rem 0 1rem; }
.soi-pillar:first-of-type { padding-top: 3rem; }
.soi-pillar-head {
  display: flex; align-items: baseline; gap: 1rem;
  padding-bottom: 1.75rem; margin-bottom: 0.5rem;
  border-bottom: 1px solid var(--line-faint);
}
.soi-pillar-letter {
  font-family: var(--font-display); font-size: 1.4rem;
  color: var(--accent-warning); line-height: 1;
}
.soi-pillar-title {
  font-family: var(--font-body); font-size: 0.8rem; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-light);
}
.soi-pillar-sub {
  font-family: var(--font-body); font-size: 0.72rem; color: var(--text-faint);
  margin-left: auto; text-align: right;
}

/* ── Article card grid ─────────────────────────────────── */
.soi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
  padding: 2rem 0 2rem;
}
.soi-pillar:last-of-type .soi-grid { padding-bottom: 5rem; }
.soi-card-type {
  font-size: 0.6rem; letter-spacing: 0.14em; color: var(--accent-warning);
  border: 1px solid var(--line-gold); border-radius: 999px;
  padding: 0.15rem 0.5rem;
}
.soi-card {
  display: flex; flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--line-faint);
  border-radius: 4px;
  padding: 1.75rem 1.75rem 2rem;
  transition: border-color 260ms var(--ease-breath), transform 260ms var(--ease-breath), background 260ms;
  min-height: 260px;
}
.soi-card:hover {
  border-color: var(--line-gold);
  transform: translateY(-3px);
  background: #17130b;
}
.soi-card-meta {
  display: flex; align-items: center; gap: 0.75rem;
  font-family: var(--font-body); font-size: 0.66rem; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text-faint); margin-bottom: 1.25rem;
}
.soi-card-cat { color: var(--accent-warning); }
.soi-card-dot { width: 3px; height: 3px; border-radius: 50%; background: var(--text-faint); }
.soi-card h2 {
  font-family: var(--font-display); font-weight: 400;
  font-size: 1.5rem; line-height: 1.08; letter-spacing: 0.005em;
  color: var(--text-alabaster); margin: 0 0 0.9rem; text-transform: uppercase;
}
.soi-card p {
  font-family: var(--font-body); font-size: 0.9rem; line-height: 1.65;
  color: var(--text-muted); margin: 0;
}
.soi-card-more {
  margin-top: auto; padding-top: 1.5rem;
  font-family: var(--font-body); font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent-warning);
  display: inline-flex; align-items: center; gap: 0.4rem;
}
.soi-card-num {
  font-family: var(--font-display); font-size: 0.8rem;
  color: var(--text-faint); margin-left: auto;
}

/* ── Article page ──────────────────────────────────────── */
.article-head {
  padding: 9rem 6vw 3rem;
  max-width: 760px; margin: 0 auto;
}
.article-back {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--font-body); font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-muted);
  margin-bottom: 2.5rem; transition: color 200ms;
}
.article-back:hover { color: var(--accent-warning); }
.article-meta {
  display: flex; align-items: center; gap: 0.75rem;
  font-family: var(--font-body); font-size: 0.68rem; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text-faint); margin-bottom: 1.5rem;
}
.article-meta .soi-card-cat { color: var(--accent-warning); }
.article-head h1 {
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(2.2rem, 5.5vw, 3.6rem);
  line-height: 1.02; letter-spacing: 0.005em;
  color: var(--text-alabaster); margin: 0 0 1.5rem; text-transform: uppercase;
}
.article-lede {
  font-family: var(--font-serif); font-style: italic;
  font-size: clamp(1.2rem, 2.4vw, 1.55rem); line-height: 1.5;
  color: var(--text-muted); margin: 0;
}
.article-body {
  max-width: 680px; margin: 0 auto; padding: 2rem 6vw 5rem;
  border-top: 1px solid var(--line-faint);
}
.article-body > * { max-width: 100%; }
.article-body p {
  font-family: var(--font-body); font-size: 1.05rem; line-height: 1.85;
  color: var(--text-light); margin: 0 0 1.6rem;
}
.article-body h2 {
  font-family: var(--font-display); font-weight: 400;
  font-size: 1.7rem; line-height: 1.1; letter-spacing: 0.01em;
  color: var(--text-alabaster); margin: 3rem 0 1.25rem; text-transform: uppercase;
}
.article-body blockquote {
  margin: 2.5rem 0; padding: 0 0 0 1.75rem;
  border-left: 2px solid var(--accent-warning);
  font-family: var(--font-serif); font-style: italic;
  font-size: 1.4rem; line-height: 1.45; color: var(--text-alabaster);
}
.article-body strong { color: var(--text-alabaster); font-weight: 600; }
.article-body a {
  color: var(--accent-warning);
  border-bottom: 1px solid var(--line-gold);
  transition: border-color 180ms;
}
.article-body a:hover { border-bottom-color: var(--accent-warning); }

/* ── Article footer / next-up ──────────────────────────── */
.article-nav {
  max-width: 760px; margin: 0 auto; padding: 2.5rem 6vw 5rem;
  display: flex; justify-content: space-between; gap: 1rem;
  border-top: 1px solid var(--line-faint);
}
.article-nav a {
  font-family: var(--font-body); font-size: 0.75rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-muted);
  transition: color 200ms;
}
.article-nav a:hover { color: var(--accent-warning); }
.article-nav .disabled { color: var(--text-faint); pointer-events: none; }

/* ── Footer (mirrors index.html) ───────────────────────── */
.footer-brand {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1180px; margin: 0 auto; padding: 2.5rem 6vw;
  border-top: 1px solid var(--line-light);
}
.footer-wordmark {
  font-family: var(--font-display); font-size: 0.95rem;
  letter-spacing: 0.14em; color: var(--text-muted);
}
.footer-link {
  font-family: var(--font-body); font-size: 0.78rem; letter-spacing: 0.08em;
  color: var(--accent-warning);
  border-bottom: 1px solid var(--accent-warning); padding-bottom: 0.15rem;
}

/* ── Scroll reveal ─────────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 700ms var(--ease-breath), transform 700ms var(--ease-breath); }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .soi-card, .nav-cta { transition: none; }
}