/* LEXSAS.com stylesheet
   Static, zero-JavaScript site. See docs/superpowers/specs/2026-07-04-lexsas-website-design.md
   section 5 for the design system this file implements. */

/* ---------- Tokens ---------- */
:root {
  --paper: #FCFCFA;
  --ink: #22272C;
  --muted: #5B6570;
  --line: #E8E6E1;
  --card: #FFFFFF;
  --blue: #2E7CF6;
  --red: #E8503A;
  --yellow: #F5B301;
  --green: #2FA05A;

  --shell-max: 1040px;
  --shell-pad: 24px;
  --space-section-desktop: 96px;
  --space-section-mobile: 64px;

  /* Reading measure for long-form prose: ~68ch on desktop, a touch
     narrower for comfortable line length on the article interface. */
  --measure: 68ch;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
img, svg { max-width: 100%; display: block; }
a { color: inherit; }
ul, ol { margin: 0; padding: 0; }
p { margin: 0; }
h1, h2, h3, h4 { margin: 0; }

/* ---------- Base ---------- */
html {
  background: var(--paper);
  color-scheme: light;
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3 {
  font-family: "Source Serif 4", Georgia, "Times New Roman", serif;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--ink);
}

h3 {
  font-family: "Manrope", sans-serif;
  font-weight: 600;
  font-size: 1.12rem;
  line-height: 1.35;
}

.kicker {
  display: block;
  font-family: "Manrope", sans-serif;
  font-weight: 700;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
}

/* ---------- Shell / layout helpers ---------- */
.shell {
  max-width: var(--shell-max);
  margin: 0 auto;
  padding-left: var(--shell-pad);
  padding-right: var(--shell-pad);
}

section, .section {
  padding-top: var(--space-section-desktop);
  padding-bottom: var(--space-section-desktop);
}

@media (max-width: 720px) {
  section, .section {
    padding-top: var(--space-section-mobile);
    padding-bottom: var(--space-section-mobile);
  }
}

main {
  display: block;
}

/* ---------- Links ---------- */
a {
  text-decoration: none;
}

a.underline-link,
main a,
.footer-links a {
  text-decoration: none;
}

main a:hover,
.footer-links a:hover,
.nav a:hover,
.lang-toggle:hover {
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
}

/* ---------- Focus visibility ---------- */
.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  padding: 8px 12px;
  color: var(--ink);
  background: var(--paper);
  transform: translateY(calc(-100% - 24px));
}

.skip-link:focus,
.skip-link:focus-visible {
  transform: none;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

/* ---------- Header ---------- */
.site-header {
  padding-top: 28px;
  padding-bottom: 20px;
}

.site-header .shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.logo-lockup {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: "Manrope", sans-serif;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
}

.logo-lockup:hover {
  text-decoration: none;
}

.logo-lockup svg {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
}

.nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  font-weight: 500;
  font-size: 0.95rem;
}

.nav a {
  color: var(--ink);
  padding-bottom: 2px;
}

.nav a[aria-current="page"] {
  color: var(--ink);
  border-bottom: 1.5px solid var(--ink);
  font-weight: 600;
}

.lang-toggle {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 14px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
}

/* ---------- Signature gradient line ---------- */
.signature-line {
  height: 2px;
  width: 100%;
  background: linear-gradient(to right, var(--blue), var(--red), var(--yellow), var(--green));
  border: 0;
  margin: 0;
}

/* ---------- Hero ---------- */
.hero {
  padding-top: var(--space-section-desktop);
  padding-bottom: calc(var(--space-section-desktop) * 0.6);
}

.hero-art {
  max-width: 520px;
  margin: 44px auto 0;
}

.hero-art img {
  display: block;
  width: 100%;
  height: auto;
}

@media (min-width: 980px) {
  .hero {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 56px;
    align-items: center;
  }

  .hero-art {
    max-width: none;
    margin: 0;
  }
}

.hero h1 {
  font-size: clamp(2.3rem, 5vw, 3.4rem);
  margin-top: 16px;
  max-width: 18ch;
  text-wrap: balance;
}

.hero .lede {
  margin-top: 24px;
  max-width: 58ch;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.72;
}

.cta-link {
  display: inline-block;
  margin-top: 28px;
  font-weight: 600;
  color: var(--ink);
  border-bottom: 1.5px solid var(--ink);
  padding-bottom: 2px;
}

.cta-link:hover {
  text-decoration: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 20px;
  border: 1.5px solid var(--ink);
  border-radius: 6px;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn-primary {
  background: var(--ink);
  color: var(--paper);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(34, 39, 44, 0.12);
  text-decoration: none;
}

.btn-primary:hover {
  color: var(--paper);
}

.btn:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}

.hero .btn {
  margin-top: 28px;
}

@media (max-width: 720px) {
  .hero {
    padding-top: var(--space-section-mobile);
    padding-bottom: calc(var(--space-section-mobile) * 0.6);
  }
}

/* ---------- Section headings ---------- */
.section-heading {
  font-size: 1.55rem;
  margin-bottom: 36px;
  text-wrap: balance;
}

/* ---------- Practice area cards ---------- */
.area-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.area-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 28px;
  background: var(--card);
  transition: border-color 0.15s ease;
}

.area-card:hover {
  border-color: var(--muted);
}

.area-card h3 {
  margin-bottom: 12px;
}

.area-card p {
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 980px) {
  .area-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 720px) {
  .area-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- Approach cards ---------- */
.approach-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.approach-card {
  border: 1px solid var(--line);
  border-left: 3px solid var(--ink);
  border-radius: 8px;
  padding: 28px;
  background: var(--card);
  transition: border-color 0.15s ease;
}

.approach-card:hover {
  border-color: var(--muted);
}

.approach-card.accent-blue { border-left-color: var(--blue); }
.approach-card.accent-yellow { border-left-color: var(--yellow); }
.approach-card.accent-green { border-left-color: var(--green); }

.approach-card:hover.accent-blue { border-left-color: var(--blue); }
.approach-card:hover.accent-yellow { border-left-color: var(--yellow); }
.approach-card:hover.accent-green { border-left-color: var(--green); }

.approach-card .approach-title {
  font-family: "Source Serif 4", Georgia, "Times New Roman", serif;
  font-weight: 600;
  font-size: 1.25rem;
  line-height: 1.3;
  margin-bottom: 12px;
}

.approach-card p.body {
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 720px) {
  .approach-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- Experience band ---------- */
.experience-band {
  max-width: 62ch;
  margin: 0 auto;
  text-align: center;
}

.experience-band h2 {
  font-size: 1.6rem;
}

.experience-band p {
  margin-top: 16px;
  color: var(--muted);
}

.experience-band .cta-link {
  margin-top: 24px;
}

/* ---------- Insight teaser ---------- */
.insight-teaser {
  border-top: 1px solid var(--line);
  padding-top: 48px;
}

.insight-teaser .insight-title {
  font-family: "Source Serif 4", serif;
  font-weight: 600;
  font-size: 1.5rem;
  margin-top: 10px;
  display: inline-block;
}

.insight-teaser .insight-summary {
  margin-top: 14px;
  color: var(--muted);
  max-width: 60ch;
}

.insight-teaser .insight-more {
  display: inline-block;
  margin-top: 18px;
  font-weight: 600;
}

/* ---------- Contact CTA band ---------- */
.cta-band {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 48px;
  text-align: left;
  background: var(--card);
}

.cta-band h2 {
  font-size: 1.6rem;
}

.cta-band p {
  margin-top: 16px;
  color: var(--muted);
  max-width: 60ch;
}

.cta-band .btn {
  margin-top: 24px;
}

@media (max-width: 720px) {
  .cta-band {
    padding: 32px 24px;
  }
}

/* ---------- CV timeline ---------- */
.timeline {
  position: relative;
  border-left: 1px solid var(--line);
  padding-left: 32px;
}

.timeline .job {
  position: relative;
  padding-bottom: 56px;
}

.timeline .job:last-child {
  padding-bottom: 0;
}

.timeline .job::before {
  content: "";
  position: absolute;
  left: -37px;
  top: 4px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink);
}

.timeline .job h3 {
  margin-top: 6px;
}

.timeline .job .company {
  color: var(--muted);
  font-weight: 500;
  font-size: 0.95rem;
  margin-top: 2px;
}

.timeline .job ul {
  margin-top: 16px;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.timeline .job ul li {
  position: relative;
  padding-left: 18px;
  color: var(--muted);
  font-size: 0.95rem;
}

.timeline .job ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--line);
}

/* ---------- Lists: education / courses / board ---------- */
.plain-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.plain-list li {
  padding: 10px 0;
  border-top: 1px solid var(--line);
  font-size: 0.98rem;
}

.plain-list li:first-child {
  border-top: 0;
}

.affil-line {
  color: var(--muted);
  font-size: 0.95rem;
  margin-top: 12px;
}

/* ---------- Insights index ---------- */
.article-list {
  display: flex;
  flex-direction: column;
}

.article-item {
  padding: 32px 0;
  border-top: 1px solid var(--line);
}

.article-item .article-title {
  font-family: "Source Serif 4", serif;
  font-weight: 600;
  font-size: 1.3rem;
  line-height: 1.25;
  display: inline-block;
  margin-top: 6px;
  text-wrap: balance;
  transition: color 0.18s ease;
}

.article-item .article-summary {
  margin-top: 10px;
  color: var(--muted);
  max-width: 64ch;
  font-size: 0.97rem;
  line-height: 1.6;
}

.article-item .article-title:hover {
  text-decoration: none;
  color: var(--muted);
}

/* ---------- Article page ---------- */
.article-header {
  max-width: var(--measure);
  margin: 0 auto;
}

.back-link {
  display: inline-block;
  margin-bottom: 36px;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--muted);
}

.back-link:hover {
  color: var(--ink);
  text-decoration: none;
}

.article-header .kicker {
  margin-bottom: 12px;
}

.article-header h1 {
  margin-top: 4px;
  font-size: clamp(1.9rem, 4vw, 2.5rem);
  text-wrap: balance;
}

.article-body {
  max-width: var(--measure);
  margin: 0 auto;
  font-size: 1.06rem;
  line-height: 1.78;
  color: var(--ink);
}

.article-body p {
  margin-top: 20px;
}

.article-body > p:first-child {
  margin-top: 28px;
}

.article-body h2 {
  font-size: 1.34rem;
  margin-top: 44px;
  margin-bottom: 8px;
  text-wrap: balance;
}

.article-body ul,
.article-body ol {
  margin-top: 22px;
  margin-bottom: 4px;
  padding-left: 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.article-body li {
  color: var(--ink);
  line-height: 1.7;
  padding-left: 2px;
}

.article-body li::marker {
  color: var(--muted);
}

/* ---------- Contact page ---------- */
.contact-list {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
}

.contact-item {
  padding: 20px 0;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
}

.contact-item:first-child {
  border-top: 0;
}

.contact-item dt {
  font-family: "Manrope", sans-serif;
  font-weight: 700;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  flex: 0 0 160px;
  margin: 0;
}

.contact-item dd {
  margin: 0;
  flex: 1 1 auto;
  font-weight: 500;
}

/* ---------- Page intros (kicker + h1 + body) ---------- */
.page-intro {
  padding-top: var(--space-section-desktop);
  padding-bottom: calc(var(--space-section-desktop) * 0.5);
}

.page-intro h1 {
  margin-top: 14px;
  font-size: clamp(2rem, 4.5vw, 2.8rem);
}

.page-intro .intro-body {
  margin-top: 22px;
  max-width: 62ch;
  color: var(--muted);
  font-size: 1.05rem;
}

@media (max-width: 720px) {
  .page-intro {
    padding-top: var(--space-section-mobile);
    padding-bottom: calc(var(--space-section-mobile) * 0.5);
  }
}

/* ---------- Bio paragraphs ---------- */
.bio {
  max-width: 68ch;
  display: flex;
  flex-direction: column;
  gap: 20px;
  font-size: 1.03rem;
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding-top: 40px;
  padding-bottom: 40px;
  margin-top: var(--space-section-desktop);
}

.site-footer .footer-top {
  display: flex;
  align-items: center;
  gap: 10px;
}

.site-footer svg {
  width: 20px;
  height: 20px;
}

.site-footer .footer-disclaimer {
  margin-top: 20px;
  max-width: 68ch;
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.6;
}

.site-footer .footer-meta {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  align-items: center;
  font-size: 0.88rem;
  color: var(--muted);
}

.footer-links a {
  font-weight: 600;
  color: var(--ink);
}

@media (max-width: 720px) {
  .site-footer {
    margin-top: var(--space-section-mobile);
  }
}

/* ---------- 404 ---------- */
.error-page {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: var(--space-section-desktop);
  padding-bottom: var(--space-section-desktop);
}

/* ---------- Decorative page art ---------- */
.intro-art {
  max-width: 380px;
  margin: 36px auto 0;
}

.intro-art img,
.error-art img {
  display: block;
  width: 100%;
  height: auto;
}

@media (min-width: 980px) {
  .page-intro--split {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 48px;
    align-items: center;
  }

  .intro-art {
    max-width: none;
    margin: 0;
  }
}

.error-art {
  max-width: 320px;
  margin-bottom: 8px;
}

.error-page p {
  margin-top: 10px;
  font-size: 1.1rem;
}

.error-page a {
  font-weight: 600;
  border-bottom: 1.5px solid var(--ink);
}

.error-page a:hover {
  text-decoration: none;
}

/* ---------- Mobile refinement (380-480px) ---------- */
@media (max-width: 480px) {
  :root {
    --shell-pad: 18px;
  }

  /* Article body steps up to ~17px for comfortable reading on phones. */
  .article-body {
    font-size: 1.0625rem;
    line-height: 1.8;
  }

  .article-header h1,
  .page-intro h1 {
    font-size: 1.85rem;
  }

  /* Nav wraps cleanly; tighten gaps so it stays on two tidy rows. */
  .site-header .shell {
    gap: 12px;
  }

  .nav {
    gap: 16px;
    font-size: 0.9rem;
  }

  .logo-lockup {
    font-size: 1.08rem;
  }

  /* Comfortable touch spacing on editorial lists, cards and bands. */
  .article-item {
    padding: 24px 0;
  }

  .area-card,
  .approach-card {
    padding: 22px;
  }

  .cta-band {
    padding: 28px 20px;
  }

  /* Hero breathes on small screens. */
  .hero h1 {
    font-size: 2.05rem;
  }

  .hero .lede {
    font-size: 1.02rem;
  }

  /* Footer spacing tightened so it never feels bottom-heavy. */
  .site-footer {
    padding-top: 32px;
    padding-bottom: 32px;
  }
}

/* ---------- Controlled two-row nav for narrow phones ---------- */
@media (max-width: 420px) {
  .site-nav {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(4, max-content);
    justify-content: space-between;
    gap: 10px 8px;
  }

  .site-nav a {
    white-space: nowrap;
  }

  .site-nav .lang-toggle {
    grid-column: 1 / -1;
    justify-self: start;
  }
}

/* ---------- Small-phone guard (<=360px) ---------- */
@media (max-width: 360px) {
  :root {
    --shell-pad: 16px;
  }

  .nav {
    gap: 12px;
    font-size: 0.86rem;
  }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }

  .btn:hover {
    transform: none;
  }
}

/* FAQ */
.faq-list {
  border-top: 1px solid var(--line);
  max-width: 760px;
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item summary {
  font-family: "Source Serif 4", Georgia, "Times New Roman", serif;
  font-weight: 600;
  font-size: 1.125rem;
  padding: 20px 40px 20px 0;
  cursor: pointer;
  list-style: none;
  position: relative;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  font-family: "Manrope", sans-serif;
  font-weight: 400;
  font-size: 1.4rem;
  color: var(--muted);
  transition: transform 0.2s ease;
}

.faq-item[open] summary::after {
  transform: translateY(-50%) rotate(45deg);
}

.faq-item p {
  padding: 0 0 24px;
  color: var(--muted);
  max-width: 68ch;
}

/* Article sources */
.article-sources {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.article-sources .sources-title {
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
}

.article-sources ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.article-sources li {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.65;
}

.article-sources a {
  color: var(--muted);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.article-sources a:hover {
  color: var(--ink);
}

/* LinkedIn post card */
.li-post {
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 3px solid var(--blue);
  border-radius: 6px;
  padding: 32px 36px;
  max-width: 720px;
}

.li-post-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.li-post-author {
  font-family: "Source Serif 4", Georgia, "Times New Roman", serif;
  font-weight: 600;
  font-size: 1.05rem;
}

.li-post-body p {
  margin-bottom: 14px;
}

.li-post-tags {
  color: var(--muted);
  font-size: 0.85rem;
  margin: 4px 0 20px;
}

/* Portrait (duotone, gradient ring echoing the logo arcs) */
.bio-wrap {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.bio-portrait {
  width: 208px;
  height: 208px;
  margin: 0 auto;
  border-radius: 50%;
  padding: 3px;
  background: conic-gradient(from 45deg, var(--blue), var(--red), var(--yellow), var(--green), var(--blue));
}

@media (min-width: 980px) {
  .bio-wrap {
    display: grid;
    grid-template-columns: minmax(0, 68ch) 208px;
    gap: 56px;
    align-items: start;
  }

  .bio-wrap .bio-portrait {
    order: 2;
    margin: 6px 0 0;
  }

  .bio-wrap .bio {
    order: 1;
  }
}

.bio-portrait img {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 4px solid var(--paper);
}

/* Article byline and next-article link */
.article-byline {
  color: var(--muted);
  font-size: 0.92rem;
  margin-top: 14px;
}

.article-next {
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.article-next a {
  display: inline-block;
  font-weight: 600;
  color: var(--ink);
}

.article-next a:hover {
  text-decoration: none;
}

/* Typography polish */
h1, h2, .insight-title {
  text-wrap: balance;
}

/* Keyboard focus visibility */
a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
  border-radius: 2px;
}