/* ============================================================
   STYLE — page composition
   ============================================================ */

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid color-mix(in oklab, var(--color-rule) 60%, transparent);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding-block: var(--space-4);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: var(--color-primary);
}
.brand:hover { text-decoration: none; }
.brand-mark { flex: 0 0 auto; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  color: var(--color-text);
}
.brand-sub {
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-weight: 500;
  margin-top: 2px;
}

.site-nav {
  display: flex;
  gap: clamp(var(--space-4), 2vw, var(--space-8));
}
.site-nav a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  position: relative;
}
.site-nav a:hover {
  color: var(--color-text);
  text-decoration: none;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.theme-toggle {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  border: 1px solid var(--color-rule);
  color: var(--color-text-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  transition: border-color var(--transition), color var(--transition);
}
.theme-toggle:hover {
  border-color: var(--color-text);
  color: var(--color-text);
}

@media (max-width: 840px) {
  .site-nav { display: none; }
}

/* ===== Hero ===== */
.hero {
  padding-block: clamp(var(--space-12), 8vw, var(--space-24));
  position: relative;
  overflow: hidden;
}
.hero::before {
  /* Soft asymmetric compass-arc moiré */
  content: "";
  position: absolute;
  right: -14rem;
  top: 2rem;
  width: 38rem;
  height: 38rem;
  background:
    radial-gradient(circle at center, transparent 58%, color-mix(in oklab, var(--color-primary) 14%, transparent) 58.5%, transparent 60%),
    radial-gradient(circle at center, transparent 72%, color-mix(in oklab, var(--color-primary) 10%, transparent) 72.5%, transparent 74%),
    radial-gradient(circle at center, transparent 86%, color-mix(in oklab, var(--saffron) 16%, transparent) 86.5%, transparent 88%);
  pointer-events: none;
  z-index: 0;
  opacity: 0.72;
}
.hero > .wrap { position: relative; z-index: 1; }

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(14rem, 24rem);
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  max-width: var(--content-wide);
  align-items: center;
}
.hero-eyebrow,
.hero-title,
.hero-lede,
.hero-actions,
.hero-meta { grid-column: 1; }

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xs);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-weight: 500;
}
.eyebrow-dot {
  width: 7px; height: 7px;
  background: var(--saffron);
  border-radius: 999px;
  display: inline-block;
}

.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 350;
  letter-spacing: -0.025em;
  line-height: 0.98;
  max-width: 18ch;
  font-variation-settings: "opsz" 144, "SOFT" 30;
}
.hero-title em {
  font-style: italic;
  font-variation-settings: "opsz" 144, "SOFT" 100, "WONK" 1;
  color: var(--color-primary);
}

.hero-lede {
  font-size: var(--text-md);
  color: var(--color-text-muted);
  max-width: 56ch;
  line-height: 1.55;
}
.hero-lede em {
  font-style: italic;
  color: var(--color-text);
  font-family: var(--font-display);
  font-weight: 400;
}

.hero-actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-top: var(--space-2);
}

.hero-photo {
  grid-column: 2;
  grid-row: 1 / span 5;
  justify-self: end;
  width: min(100%, 23rem);
  border-radius: calc(var(--radius-xl) * 1.4);
  overflow: hidden;
  border: 1px solid color-mix(in oklab, var(--color-border) 82%, transparent);
  box-shadow: var(--shadow-lg);
  background: var(--color-surface);
}
.hero-photo img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center 22%;
  filter: saturate(0.96) contrast(1.02);
}

.hero-meta {
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-rule);
  max-width: 44rem;
}
.hero-meta dl {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-6);
}
.hero-meta dt {
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: 4px;
}
.hero-meta dd {
  font-size: var(--text-sm);
  color: var(--color-text);
  font-weight: 500;
}
@media (max-width: 640px) {
  .hero-meta dl { grid-template-columns: 1fr; gap: var(--space-4); }
}
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    max-width: 60rem;
  }
  .hero-eyebrow,
  .hero-title,
  .hero-lede,
  .hero-actions,
  .hero-meta,
  .hero-photo { grid-column: 1; }
  .hero-photo {
    grid-row: auto;
    justify-self: start;
    width: min(100%, 20rem);
  }
}

/* ===== Quick paths ===== */
.quickpaths {
  padding-block: 0 clamp(var(--space-8), 5vw, var(--space-12));
}
.quickpaths-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}
.quickpath {
  min-height: 8.5rem;
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background:
    linear-gradient(135deg, color-mix(in oklab, var(--saffron) 10%, transparent), transparent 45%),
    var(--color-surface);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.quickpath:hover {
  transform: translateY(-2px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  text-decoration: none;
}
.quickpath span {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--saffron);
  font-size: var(--text-md);
}
.quickpath strong {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--color-text);
  margin-top: auto;
}
.quickpath small {
  display: block;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  margin-top: var(--space-1);
}
@media (max-width: 720px) {
  .quickpaths-grid { grid-template-columns: 1fr; }
  .quickpath { min-height: 6.5rem; }
}

/* ===== Credibility strip ===== */
.credstrip {
  background: var(--color-bg-2);
  padding-block: clamp(var(--space-8), 5vw, var(--space-12));
  border-top: 1px solid var(--color-rule);
  border-bottom: 1px solid var(--color-rule);
}
.strip-label {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-md);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  max-width: none;
}
.strip-list {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: var(--space-4);
}
.strip-list li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 7rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
  background: var(--color-surface);
}
.strip-role {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  line-height: 1.4;
}
.strip-org {
  font-family: var(--font-display);
  font-size: clamp(0.95rem, 0.82rem + 0.38vw, 1.15rem);
  color: var(--color-text);
  font-weight: 400;
  line-height: 1.2;
}
.strip-note {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  line-height: 1.45;
}
.strip-links {
  margin-top: var(--space-6);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-3);
  align-items: center;
  color: var(--color-text-faint);
  font-size: var(--text-sm);
  max-width: none;
}
.strip-links a {
  color: var(--color-text-muted);
  font-weight: 500;
  text-decoration-color: color-mix(in oklab, var(--color-primary) 35%, transparent);
  text-underline-offset: 0.22em;
}
.strip-links a:hover { color: var(--color-text); }
@media (max-width: 1080px) {
  .strip-list { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 640px) {
  .strip-list { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 420px) {
  .strip-list { grid-template-columns: 1fr; gap: var(--space-4); }
}

/* ===== Thesis grid ===== */
.thesis-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(var(--space-6), 3vw, var(--space-10));
  margin-bottom: var(--space-16);
}
.thesis-card {
  padding: var(--space-8) var(--space-6) var(--space-6);
  border-top: 1px solid var(--color-text);
  background: transparent;
}
.thesis-card:nth-child(2),
.thesis-card:nth-child(4) {
  /* subtle offset to break grid rigidity on desktop */
  transform: translateY(0);
}
@media (min-width: 900px) {
  .thesis-card:nth-child(2),
  .thesis-card:nth-child(4) {
    transform: translateY(var(--space-8));
  }
}
.thesis-card .card-num {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-md);
  color: var(--saffron);
  margin-bottom: var(--space-3);
  max-width: none;
}
.thesis-card h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
  font-family: var(--font-display);
}
.thesis-card p {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  line-height: 1.6;
}
@media (max-width: 700px) {
  .thesis-grid { grid-template-columns: 1fr; }
}

.signals-callout {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr);
  gap: var(--space-6);
  align-items: start;
  margin: 0 0 var(--space-12);
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background:
    radial-gradient(circle at 0% 0%, color-mix(in oklab, var(--saffron) 12%, transparent), transparent 45%),
    var(--color-surface);
}
.signals-callout .writing-kind {
  grid-row: span 2;
  margin-top: 0.15rem;
}
.signals-callout h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  line-height: 1.2;
}
.signals-callout p:last-child {
  color: var(--color-text-muted);
  max-width: 62ch;
}
.signals-callout .link-arrow {
  grid-column: 2;
}
@media (max-width: 720px) {
  .signals-callout { grid-template-columns: 1fr; }
  .signals-callout .writing-kind,
  .signals-callout .link-arrow {
    grid-row: auto;
    grid-column: auto;
  }
}

.pullquote {
  max-width: 56rem;
  margin: 0 auto;
  padding-block: var(--space-8);
  text-align: center;
  border-top: 1px solid var(--color-rule);
  border-bottom: 1px solid var(--color-rule);
}
.pullquote blockquote p {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.5rem, 1rem + 2.4vw, 2.5rem);
  line-height: 1.15;
  color: var(--color-text);
  max-width: none;
  font-variation-settings: "opsz" 144, "SOFT" 100, "WONK" 1;
}

/* ===== Lived experiment ===== */
.lived-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(var(--space-8), 4vw, var(--space-16));
  align-items: start;
}
.lived-copy { position: sticky; top: 5.5rem; }
.lived-dek {
  color: var(--color-text-muted);
  font-size: var(--text-md);
  margin-top: var(--space-5);
  max-width: 42ch;
  line-height: 1.55;
}
.lived-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-8) clamp(var(--space-6), 3vw, var(--space-10));
}
.lived-list li {
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-rule);
}
.lived-list h3 {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-md);
  margin-bottom: var(--space-2);
  font-variation-settings: "opsz" 96, "SOFT" 100;
}
.lived-list p { color: var(--color-text-muted); font-size: var(--text-base); }
@media (max-width: 900px) {
  .lived-grid { grid-template-columns: 1fr; }
  .lived-copy { position: static; }
}
@media (max-width: 540px) {
  .lived-list { grid-template-columns: 1fr; }
}

/* ===== Writing / proof ===== */
.writing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-auto-rows: 1fr;
  gap: clamp(var(--space-5), 2vw, var(--space-8));
}
.writing-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.writing-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.writing-card-feature {
  grid-column: span 2;
  background: var(--color-text);
  color: var(--color-bg);
  border-color: var(--color-text);
}
.writing-card-feature h3,
.writing-card-feature .writing-kind,
.writing-card-feature .writing-dek,
.writing-card-feature .writing-meta { color: inherit; }
[data-theme="dark"] .writing-card-feature {
  background: var(--color-surface-2);
  color: var(--color-text);
  border-color: var(--color-border);
}

.writing-kind {
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--saffron);
  font-weight: 500;
  max-width: none;
}
.writing-card-feature .writing-kind { color: var(--saffron); }
.writing-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  line-height: 1.2;
}
.writing-card-feature h3 { font-size: clamp(1.5rem, 1rem + 1.4vw, 2rem); }
.writing-dek {
  color: var(--color-text-muted);
  font-size: var(--text-base);
}
.writing-card-feature .writing-dek { color: color-mix(in oklab, var(--color-bg) 80%, var(--color-text)); }
[data-theme="dark"] .writing-card-feature .writing-dek { color: var(--color-text-muted); }

.writing-meta {
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-top: auto;
}
.writing-card-feature .writing-meta { color: color-mix(in oklab, var(--color-bg) 60%, var(--color-text)); }
[data-theme="dark"] .writing-card-feature .writing-meta { color: var(--color-text-faint); }

.writing-card-link .link-arrow { margin-top: auto; padding-top: var(--space-2); }
.link-list {
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-1);
}
.link-list .link-arrow {
  margin-top: 0;
  padding-top: 0;
}
.link-list li {
  max-width: none;
}
.link-details {
  margin-top: auto;
  padding-top: var(--space-2);
}
.link-details summary {
  cursor: pointer;
  color: var(--color-primary);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-decoration-color: color-mix(in oklab, var(--color-primary) 35%, transparent);
  text-underline-offset: 0.22em;
}
.link-details summary:hover {
  color: var(--color-primary-hover);
}
.link-details[open] summary {
  margin-bottom: var(--space-3);
}

@media (max-width: 900px) {
  .writing-grid { grid-template-columns: repeat(2, 1fr); }
  .writing-card-feature { grid-column: span 2; }
}
@media (max-width: 560px) {
  .writing-grid { grid-template-columns: 1fr; }
  .writing-card-feature { grid-column: span 1; }
}

/* ===== Contact ===== */
.section-contact {
  border-top: 1px solid var(--color-rule);
  background:
    radial-gradient(circle at 80% 0%, color-mix(in oklab, var(--saffron) 6%, transparent), transparent 50%),
    var(--color-bg);
  padding-block: clamp(var(--space-12), 7vw, var(--space-20));
}
.contact-wrap {
  max-width: 38rem;
  text-align: center;
}
.contact-dek {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 46ch;
  margin: 0 auto var(--space-4);
}
.contact-dek-quiet {
  color: color-mix(in oklab, var(--color-text-muted) 82%, var(--color-bg));
}
.contact-dek em { font-family: var(--font-display); font-style: italic; color: var(--color-text); }
.contact-email {
  display: inline-block;
  font-size: var(--text-sm);
  color: color-mix(in oklab, var(--color-text-muted) 72%, var(--color-bg));
  text-decoration-color: color-mix(in oklab, var(--color-text-muted) 25%, transparent);
  text-underline-offset: 0.22em;
}
.contact-email:hover {
  color: var(--color-text-muted);
}

.contact-links {
  display: flex;
  justify-content: center;
  gap: var(--space-5);
  flex-wrap: wrap;
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-rule);
}
.contact-links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}
.contact-links a:hover { color: var(--color-text); }

.back-to-top {
  position: fixed;
  right: clamp(1rem, 2vw, 1.5rem);
  bottom: clamp(1rem, 2vw, 1.5rem);
  z-index: 45;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0 var(--space-4);
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: color-mix(in oklab, var(--color-bg) 92%, transparent);
  color: var(--color-primary);
  box-shadow: var(--shadow-md);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 600;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.back-to-top:hover {
  background: var(--color-primary);
  color: var(--color-bg);
  text-decoration: none;
}

/* ===== Footer ===== */
.site-footer {
  border-top: 1px solid var(--color-rule);
  padding-block: var(--space-10);
  background: var(--color-bg-2);
}
.footer-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-6);
  align-items: center;
}
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-primary);
}
.footer-brand p {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  color: var(--color-text);
  max-width: none;
}
.footer-tag {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-align: center;
  max-width: none;
}
.footer-copy {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-align: right;
  letter-spacing: 0.04em;
  max-width: none;
}
@media (max-width: 720px) {
  .footer-row { grid-template-columns: 1fr; text-align: center; }
  .footer-brand { justify-content: center; }
  .footer-copy { text-align: center; }
}