/* SOL Site Standard v1.0 (Mar 2026)
   Single source of truth for tokens + layout + components.
*/

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
img { max-width: 100%; display: block; }
ul, ol { margin: 0; padding: 0; }

:root {
  --ink:        #1a1a18;
  --ink-mid:    #3d3d38;
  --ink-light:  #6b6b62;
  --paper:      #f7f5f0;
  --paper-warm: #ede9e0;
  --paper-rule: #d8d3c8;
  --accent:     #b5390a;
  --accent-lt:  #f2e8e3;
  --teal:       #1b5f6b;
  --teal-lt:    #e3eff1;
  --gold:       #9a7b2e;
  --gold-lt:    #f5f0e0;

  --serif: 'Libre Baskerville', Georgia, serif;
  --sans:  'IBM Plex Sans', system-ui, sans-serif;
  --mono:  'IBM Plex Mono', monospace;

  --measure: 70ch;
  --gap: clamp(1rem, 3vw, 2rem);
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--serif);
  font-size: clamp(16px, 1.15vw, 18px);
  line-height: 1.75;
  color: var(--ink);
  background: var(--paper);
}

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--teal); }

/* ── A11Y ── */
.skip-link {
  position: absolute;
  top: -120px;
  left: var(--gap);
  padding: 0.6rem 1rem;
  background: var(--accent);
  color: #fff;
  font-family: var(--sans);
  font-weight: 600;
  border-radius: 4px;
  z-index: 9999;
  transition: top 0.2s;
  text-decoration: none;
}
.skip-link:focus { top: 0.5rem; }

/* ── Navigation ── */
.site-nav {
  background: var(--ink);
  padding: 0.75rem var(--gap);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-nav .logo { height: 36px; width: auto; }
.nav-links { display: flex; gap: 1.5rem; list-style: none; }
.nav-links a {
  color: #ccc;
  font-family: var(--sans);
  font-size: 0.82rem;
  font-weight: 500;
  text-decoration: none;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.nav-links a:hover { color: #fff; }
.hamburger { display: none; background: none; border: none; cursor: pointer; }
.hamburger span { display: block; width: 22px; height: 2px; background: #fff; margin: 5px 0; }
@media (max-width: 900px) {
  .nav-links { display: none; }
  .hamburger { display: block; }
  .nav-links.nav-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 54px;
    right: 0;
    left: 0;
    background: var(--ink);
    padding: 1rem 1.5rem;
    gap: 0.75rem;
    z-index: 99;
  }
}

/* Optional progress bar */
.progress-bar {
  position: fixed;
  top: 54px;
  left: 0;
  height: 3px;
  width: 0;
  background: var(--accent);
  z-index: 99;
  transition: width 0.1s linear;
}

/* ── Article Hero ── */
.hero {
  background: var(--ink);
  color: var(--paper);
  padding: clamp(3rem, 8vw, 6rem) var(--gap) clamp(2.5rem, 6vw, 5rem);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 39px,
    rgba(255,255,255,.03) 39px,
    rgba(255,255,255,.03) 40px
  );
  pointer-events: none;
}
.hero-inner { max-width: 860px; margin: 0 auto; position: relative; }
.hero-kicker {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.hero-kicker::before {
  content: '';
  display: inline-block;
  width: 28px; height: 1px;
  background: var(--accent);
}
.hero h1 {
  font-family: var(--serif);
  font-size: clamp(2.1rem, 5.5vw, 3.8rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
  color: #fff;
}
.hero-sub {
  font-family: var(--sans);
  font-size: 1.05rem;
  color: #c8c4ba;
  max-width: 62ch;
  line-height: 1.6;
  margin-bottom: 2rem;
}
.byline {
  font-family: var(--sans);
  font-size: 0.82rem;
  color: #8a877f;
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
  border-top: 1px solid rgba(255,255,255,.12);
  padding-top: 1.1rem;
}
.byline span { display: flex; align-items: center; gap: 0.4rem; }

/* ── Layout: Article + Sidebar ── */
.page-wrap { max-width: 1200px; margin: 0 auto; padding: 0 var(--gap); }
.content-grid {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 3.5rem;
  padding: 3rem 0 5rem;
  align-items: start;
}
article { min-width: 0; }
.sidebar { position: sticky; top: 5rem; }
@media (max-width: 900px) {
  .content-grid { grid-template-columns: 1fr; }
  .sidebar { position: static; }
}

/* Sidebar widgets */
.sidebar-widget {
  border: 1px solid var(--paper-rule);
  border-radius: 4px;
  padding: 1.25rem;
  margin-bottom: 1.5rem;
  background: #fff;
}
.sidebar-widget h4 {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-light);
  margin-bottom: 0.9rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--paper-rule);
}
.toc-list { list-style: none; padding: 0; }
.toc-list li { margin-bottom: 0.35rem; }
.toc-list a {
  font-family: var(--sans);
  font-size: 0.82rem;
  color: var(--ink-mid);
  text-decoration: none;
  display: block;
  padding: 0.2rem 0;
  transition: padding 0.15s, color 0.15s;
}
.toc-list a:hover,
.toc-list a.active { color: var(--accent); padding-left: 0.4rem; }

.researcher-list,
.reading-list {
  list-style: none;
  padding: 0;
  font-family: var(--sans);
  font-size: 0.82rem;
  line-height: 1.5;
}
.researcher-list li,
.reading-list li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--paper-rule);
}
.researcher-list li:last-child,
.reading-list li:last-child { border-bottom: none; }
.researcher-list strong { display: block; color: var(--ink); font-weight: 600; }
.researcher-list span { color: var(--ink-light); }
.reading-list li { color: var(--ink-mid); }
.reading-list em { font-style: italic; color: var(--ink); }

/* ── Article Body ── */
.section-rule {
  border: none;
  border-top: 2px solid var(--accent);
  margin: 3rem 0 2rem;
  width: 48px;
}
.section-rule.full { width: 100%; border-top-width: 1px; border-color: var(--paper-rule); }

article h2 {
  font-family: var(--serif);
  font-size: clamp(1.45rem, 2.8vw, 1.85rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--ink);
  margin-bottom: 0.9rem;
}
article h3 {
  font-family: var(--sans);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.02em;
  margin-bottom: 0.5rem;
  margin-top: 1.6rem;
}
article p { margin-bottom: 1.2rem; max-width: var(--measure); }
article ul, article ol { margin: 0.75rem 0 1.25rem 1.4rem; max-width: var(--measure); }
article li { margin-bottom: 0.45rem; }

.lead {
  font-size: 1.2rem;
  line-height: 1.65;
  color: var(--ink-mid);
  margin-bottom: 1.6rem;
  max-width: var(--measure);
}

.pull-quote {
  border-left: 4px solid var(--accent);
  padding: 1rem 1.5rem;
  margin: 2.5rem 0;
  background: var(--accent-lt);
  border-radius: 0 4px 4px 0;
}
.pull-quote p {
  font-family: var(--serif);
  font-size: 1.2rem;
  font-style: italic;
  line-height: 1.5;
  color: var(--ink);
  margin: 0;
  max-width: none;
}
.pull-quote cite {
  display: block;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  text-transform: uppercase;
  margin-top: 0.6rem;
}

.quote-block {
  margin: 2.5rem 0;
  padding: 0;
}
.quote-block blockquote {
  margin: 0;
  padding: 1.5rem 1.75rem;
  border-left: 4px solid var(--accent);
  background: var(--paper-warm);
  border-radius: 0 6px 6px 0;
}
.quote-block blockquote p {
  font-family: var(--serif);
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--ink);
  margin-bottom: 1rem;
}
.quote-block blockquote p:last-child { margin-bottom: 0; }
.quote-block figcaption {
  margin-top: 1rem;
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--ink-mid);
}
.quote-block figcaption a { font-weight: 600; }

.callout {
  background: var(--teal-lt);
  border: 1px solid #a8cbd3;
  border-radius: 4px;
  padding: 1.25rem 1.5rem;
  margin: 2rem 0;
}
.callout-label {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.5rem;
}
.callout p { margin-bottom: 0.5rem; max-width: none; }
.callout p:last-child { margin-bottom: 0; }
.callout.warning { background: var(--gold-lt); border-color: #c9aa6a; }
.callout.warning .callout-label { color: var(--gold); }

.findings-box {
  background: var(--ink);
  color: #f0ece4;
  border-radius: 4px;
  padding: 1.5rem;
  margin: 2.5rem 0;
}
.findings-box h3 {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}
.findings-box ul { list-style: none; padding: 0; margin: 0; }
.findings-box li {
  font-family: var(--sans);
  font-size: 0.88rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid rgba(255,255,255,.1);
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  margin: 0;
}
.findings-box li:last-child { border-bottom: none; }
.findings-box li::before { content: '→'; color: var(--accent); flex-shrink: 0; }

.evidence-tag {
  display: inline-block;
  background: var(--ink);
  color: #c8ffd4;
  font-family: var(--mono);
  font-size: 0.65rem;
  padding: 0.15em 0.5em;
  border-radius: 2px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  vertical-align: middle;
  margin-left: 0.35em;
}

.citations {
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--paper-rule);
}
.citations h3 {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-light);
  margin-bottom: 1rem;
}
.citations ol {
  font-family: var(--sans);
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--ink-mid);
  padding-left: 1.5rem;
}
.citations li { margin-bottom: 0.4rem; }

/* ── Library: vocab table + definition grid (cardless) ───── */
.vocab-table-wrap {
  overflow-x: auto;
  margin: 2rem 0;
  border: 1px solid var(--paper-rule);
  border-radius: 6px;
}
.vocab-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}
.vocab-table th,
.vocab-table td {
  padding: 1rem 1.25rem;
  text-align: left;
  border-bottom: 1px solid var(--paper-rule);
  vertical-align: top;
}
.vocab-table th {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-light);
  background: var(--paper-warm);
  width: 18%;
}
.vocab-table tr:last-child td { border-bottom: none; }
.vocab-table tr:nth-child(even) td { background: rgba(0,0,0,0.02); }
.editorial-defs {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin: 2rem 0;
}
@media (min-width: 640px) {
  .editorial-defs { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem; }
}
.editorial-def {
  padding-left: 1.25rem;
  position: relative;
  border-left: 3px solid var(--accent);
}
.editorial-def dt {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--ink);
  margin-bottom: 0.35rem;
}
.editorial-def dd {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--ink-mid);
}

/* ── Library: link list + article signoff + buttons ───── */
.link-list {
  list-style: none;
  padding-left: 0;
  margin: 1rem 0;
}
.link-list li { margin-bottom: 0.5rem; }
.article-signoff {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}
.btn {
  display: inline-block;
  padding: 0.65rem 1.25rem;
  font-family: var(--sans);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 6px;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.btn--primary {
  background: var(--accent);
  color: #fff;
  border: 2px solid var(--accent);
}
.btn--primary:hover { background: #8f3309; border-color: #8f3309; color: #fff; }
.btn--outline {
  background: transparent;
  color: var(--ink);
  border: 2px solid var(--paper-rule);
}
.btn--outline:hover { background: var(--paper-warm); border-color: var(--ink-light); }

/* ── Simple Beauty accordions (details/summary) ───── */
.faq { display: flex; flex-direction: column; gap: 0.75rem; }
.faq-item {
  border: 1px solid var(--paper-rule);
  border-radius: 10px;
  overflow: hidden;
  background: rgba(255,255,255,0.02);
}
.faq-question {
  cursor: pointer;
  list-style: none;
  padding: 1rem 1.05rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--serif);
  font-weight: 700;
  color: var(--ink);
  background: rgba(255,255,255,0.04);
}
.faq-question::-webkit-details-marker { display: none; }
.faq-question::after {
  content: '+';
  font-family: var(--mono);
  color: var(--accent);
  font-size: 1.2rem;
  line-height: 1;
  flex-shrink: 0;
  transition: transform 0.25s ease;
}
details[open] .faq-question::after { transform: rotate(45deg); }
.faq-answer {
  padding: 0.25rem 1.05rem 1.15rem;
  color: var(--ink-mid);
}
.faq-answer p { margin: 0.75rem 0; }
.faq-answer ul { margin: 0.6rem 0 0.75rem 1.1rem; }
.faq-answer li { margin: 0.35rem 0; }

/* ── Subscribe band ── */
.subscribe-band {
  background: var(--ink);
  color: #f5f2eb;
  padding: 3rem var(--gap);
  text-align: center;
}
.subscribe-band h3 {
  font-family: var(--serif);
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  color: #fff;
}
.subscribe-band > p {
  font-family: var(--sans);
  font-size: 0.95rem;
  color: #e8e4dc;
  margin-bottom: 1.5rem;
}
/* High-contrast container so HubSpot form is easy to read on dark background */
.subscribe-band .subscribe-form-wrap {
  background: #fff;
  padding: 1.75rem;
  border-radius: 10px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.35);
  margin: 0 auto 1.25rem;
  max-width: 520px;
}
.subscribe-band .subscribe-fallback {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.9);
}
.subscribe-band .subscribe-fallback a {
  color: var(--accent-lt);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.subscribe-band .subscribe-fallback a:hover { color: #fff; }

/* Hide HubSpot "Create your own free forms" attribution when in our DOM (free-tier workaround) */
.subscribe-form-wrap .hs-form__virality-link,
.subscribe-form-wrap .hs-form-footer,
.subscribe-form-wrap [class*="virality"],
.subscribe-form-wrap a[href*="hubspot.com"]:not([href^="https://soleverydaybs"]) {
  display: none !important;
  visibility: hidden !important;
  height: 0 !important;
  overflow: hidden !important;
  margin: 0 !important;
  padding: 0 !important;
}

.subscribe-form { display: flex; gap: 0.5rem; justify-content: center; flex-wrap: wrap; }
.subscribe-form input {
  padding: 0.65rem 1rem;
  border: 1px solid rgba(255,255,255,.2);
  background: rgba(255,255,255,.07);
  color: #fff;
  border-radius: 2px;
  font-family: var(--sans);
  font-size: 0.9rem;
  width: 280px;
}
.subscribe-form button {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 0.65rem 1.5rem;
  font-family: var(--sans);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 2px;
  cursor: pointer;
  letter-spacing: 0.04em;
}
.subscribe-form button:hover { background: #9a2f08; }

/* ── Footer ── */
.site-footer {
  background: var(--ink);
  color: #6b6b62;
  font-family: var(--sans);
  font-size: 0.8rem;
  padding: 2.5rem var(--gap);
  text-align: center;
  border-top: 1px solid rgba(255,255,255,.06);
}
.site-footer a { color: #8a877f; text-decoration: none; }
.site-footer a:hover { color: #fff; }