:root {
  color-scheme: light;
  --ink: #1a1d21;
  --ink-soft: #4d565f;
  --paper: #edeff2;
  --paper-strong: #ffffff;
  --line: #d8dde2;
  --blue: #0d3b5c;
  --teal: #00b4b0;
  --teal-dark: #0d3b5c;
  --copper: #f5a623;
  --copper-soft: #ffe0a8;
  --sage: #8b9199;
  --white: #ffffff;
  --shadow: 0 18px 50px rgba(26, 29, 33, 0.13);
  --radius: 8px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  color: var(--teal);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(139, 145, 153, 0.28);
  background: rgba(255, 255, 255, 0.94);
  color: var(--ink);
  backdrop-filter: blur(12px);
}

.nav {
  width: min(var(--max), calc(100% - 32px));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  font-weight: 750;
  line-height: 1;
}

.brand-logo {
  width: 172px;
  height: auto;
  flex: 0 0 auto;
}

.brand-edition {
  padding-left: 10px;
  border-left: 1px solid var(--line);
  color: var(--blue);
  font-size: 12px;
  font-weight: 850;
  text-transform: uppercase;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 22px;
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 720;
}

.nav-links a {
  border-bottom: 1px solid transparent;
}

.nav-links a:hover {
  color: var(--blue);
  border-color: var(--copper);
}

.hero {
  min-height: 74vh;
  display: grid;
  align-items: end;
  position: relative;
  overflow: hidden;
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(26, 29, 33, 0.94) 0%, rgba(13, 59, 92, 0.72) 42%, rgba(26, 29, 33, 0.16) 100%),
    url("assets/prisma-hero.png") center / cover no-repeat;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 24%;
  background: linear-gradient(180deg, rgba(23, 28, 31, 0), var(--paper));
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  padding: 96px 0 88px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--copper-soft);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.08;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 600;
}

h1 {
  max-width: 780px;
  font-size: 64px;
}

.hero-title-word,
.hero-title-edition {
  display: inline;
}

.hero-copy {
  max-width: 660px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: 20px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: var(--radius);
  color: var(--white);
  font-size: 14px;
  font-weight: 800;
}

.button.primary {
  border-color: var(--copper);
  background: var(--copper);
  color: var(--ink);
}

.button.primary:hover {
  color: var(--ink);
  background: #e59a1b;
}

.button.secondary {
  background: rgba(255, 255, 255, 0.08);
}

.button.secondary:hover {
  color: var(--white);
  background: rgba(255, 255, 255, 0.14);
}

.section {
  padding: 78px 0;
}

.section.dark {
  background: var(--ink);
  color: var(--white);
}

.section.light {
  background: var(--paper-strong);
}

.container {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(260px, 0.42fr);
  gap: 34px;
  align-items: end;
  margin-bottom: 34px;
}

.section-kicker {
  margin: 0 0 10px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 850;
  text-transform: uppercase;
}

.dark .section-kicker {
  color: var(--teal);
}

.section h2 {
  font-size: 42px;
}

.section-intro {
  margin: 0;
  color: var(--ink-soft);
  font-size: 17px;
}

.dark .section-intro {
  color: rgba(255, 255, 255, 0.74);
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.66);
}

.metric {
  min-height: 124px;
  padding: 28px;
  border-right: 1px solid var(--line);
}

.metric:last-child {
  border-right: 0;
}

.metric strong {
  display: block;
  color: var(--teal-dark);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 34px;
  line-height: 1;
}

.metric span {
  display: block;
  margin-top: 10px;
  color: var(--ink-soft);
  font-size: 14px;
}

.pillar-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.pillar {
  min-height: 260px;
  padding: 24px;
  background: var(--paper-strong);
}

.pillar-code {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  margin-bottom: 22px;
  border: 1px solid var(--teal);
  background: rgba(0, 180, 176, 0.08);
  color: var(--blue);
  font-size: 13px;
  font-weight: 850;
}

.pillar h3,
.article-card h3,
.feature-text h3 {
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: 20px;
  line-height: 1.2;
  font-weight: 850;
}

.pillar p {
  margin: 14px 0 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.article-card {
  min-height: 354px;
  display: flex;
  flex-direction: column;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper-strong);
  box-shadow: 0 10px 30px rgba(26, 29, 33, 0.06);
}

.article-card:hover {
  border-color: rgba(0, 180, 176, 0.55);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
  color: var(--sage);
  font-size: 12px;
  font-weight: 780;
  text-transform: uppercase;
}

.tag {
  color: var(--blue);
}

.article-card p {
  margin: 16px 0 0;
  color: var(--ink-soft);
}

.read-more {
  margin-top: auto;
  padding-top: 26px;
  color: var(--blue);
  font-size: 14px;
  font-weight: 850;
}

.feature {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(280px, 0.42fr);
  gap: 34px;
  align-items: stretch;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  padding: 34px 0;
}

.feature-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.feature-text h3 {
  max-width: 720px;
  color: var(--white);
  font-size: 34px;
}

.feature-text p {
  max-width: 760px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 18px;
}

.feature-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-left: 1px solid rgba(255, 255, 255, 0.18);
}

.feature-list li {
  padding: 18px 0 18px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.82);
}

.feature-list li:last-child {
  border-bottom: 0;
}

.about-band {
  display: grid;
  grid-template-columns: minmax(0, 0.44fr) minmax(0, 0.56fr);
  gap: 44px;
  align-items: start;
}

.about-band h2 {
  max-width: 420px;
}

.about-copy {
  color: var(--ink-soft);
  font-size: 18px;
}

.editorial-rules {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 36px;
  background: var(--line);
  border: 1px solid var(--line);
}

.rule {
  min-height: 186px;
  padding: 24px;
  background: var(--paper);
}

.rule strong {
  display: block;
  margin-bottom: 12px;
  color: var(--teal-dark);
  font-size: 15px;
}

.rule p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.site-footer {
  padding: 30px 0;
  background: var(--ink);
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}

.footer-inner {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.footer-logo {
  width: 142px;
  height: auto;
}

.footer-inner a {
  color: var(--white);
  font-weight: 750;
}

.article-hero {
  padding: 86px 0 58px;
  background: linear-gradient(135deg, var(--ink), var(--blue));
  color: var(--white);
}

.article-shell {
  width: min(880px, calc(100% - 32px));
  margin: 0 auto;
}

.article-hero h1 {
  font-size: 54px;
}

.article-hero p {
  max-width: 760px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 20px;
}

.article-layout {
  width: min(880px, calc(100% - 32px));
  margin: 0 auto;
  padding: 56px 0 84px;
}

.direct-answer {
  margin-bottom: 42px;
  padding: 28px;
  border-left: 5px solid var(--copper);
  background: var(--paper-strong);
  box-shadow: 0 12px 34px rgba(26, 29, 33, 0.08);
}

.direct-answer p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 19px;
}

.article-content h2 {
  margin-top: 42px;
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: 27px;
  line-height: 1.2;
  font-weight: 850;
}

.article-content h3 {
  margin-top: 28px;
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: 20px;
  font-weight: 850;
}

.article-content p,
.article-content li {
  color: var(--ink-soft);
  font-size: 18px;
}

.article-content ul,
.article-content ol {
  padding-left: 22px;
}

.faq {
  margin-top: 48px;
  border-top: 1px solid var(--line);
}

.faq details {
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
}

.faq summary {
  cursor: pointer;
  color: var(--ink);
  font-weight: 850;
}

.faq p {
  margin: 12px 0 0;
}

.author-box {
  margin-top: 52px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper-strong);
}

.author-box strong {
  display: block;
  margin-bottom: 8px;
  color: var(--teal-dark);
}

.author-box p {
  margin: 0;
  color: var(--ink-soft);
}

@media (max-width: 980px) {
  .section-head,
  .feature,
  .about-band {
    grid-template-columns: 1fr;
  }

  .pillar-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .articles-grid,
  .editorial-rules {
    grid-template-columns: 1fr;
  }

  .feature-list {
    border-left: 0;
  }

  .feature-list li {
    padding-left: 0;
  }
}

@media (max-width: 760px) {
  .nav {
    min-height: 64px;
  }

  .nav-links {
    display: none;
  }

  .brand-logo {
    width: 132px;
  }

  .brand-edition {
    display: none;
  }

  .hero {
    min-height: 76vh;
    background-position: 58% center;
  }

  .hero-inner {
    width: calc(100% - 40px);
    padding: 74px 0 74px;
  }

  h1,
  .article-hero h1 {
    font-size: 40px;
  }

  .hero-title-edition {
    display: block;
  }

  .hero-copy,
  .article-hero p {
    font-size: 18px;
  }

  .hero-copy {
    max-width: 30ch;
    overflow-wrap: break-word;
  }

  .section {
    padding: 56px 0;
  }

  .section h2 {
    font-size: 32px;
    max-width: 16ch;
    overflow-wrap: break-word;
  }

  .metric-row,
  .pillar-grid {
    grid-template-columns: 1fr;
  }

  .metric {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .metric:last-child {
    border-bottom: 0;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}


.article-figure {
  margin: 0 0 42px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.article-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}


.article-card {
  overflow: hidden;
}

.card-thumb {
  width: calc(100% + 48px);
  margin: -24px -24px 20px;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
}
