:root {
  --bg: #f7f7f5;
  --surface: #ffffff;
  --ink: #171717;
  --muted: #626262;
  --soft: #8a8a84;
  --line: #ddddda;
  --accent: #505050;
  --accent-dark: #171717;
  --shadow: 0 20px 60px rgba(21, 25, 29, 0.08);
  --radius: 28px;
  --max: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 18px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  content: '';
  background:
    radial-gradient(circle at 20% 0%, rgba(0, 0, 0, 0.035), transparent 34rem),
    linear-gradient(180deg, rgba(255, 255, 255, 0.78), transparent 34rem);
}

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

.site-shell {
  width: min(100% - 40px, var(--max));
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 34px 0 68px;
}

.brand img {
  width: clamp(200px, 22vw, 310px);
  height: auto;
}

h1,
h2,
p {
  margin-top: 0;
}

a {
  color: var(--ink);
  text-decoration-color: rgba(23, 23, 23, 0.28);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover {
  text-decoration-color: var(--ink);
}

.hero {
  max-width: 980px;
  padding: 42px 0 102px;
}

.article-hero {
  padding-bottom: 88px;
}

.eyebrow,
.issue-number {
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  line-height: 1.2;
  text-transform: uppercase;
}

h1 {
  max-width: 920px;
  margin-bottom: 34px;
  font-size: clamp(4rem, 12vw, 9.5rem);
  font-weight: 520;
  letter-spacing: 0.005em;
  line-height: 0.96;
}

.hero-summary {
  max-width: 720px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(1.24rem, 2.3vw, 1.85rem);
  line-height: 1.34;
}

h2 {
  margin-bottom: 22px;
  font-size: clamp(1.72rem, 3.2vw, 3.35rem);
  font-weight: 600;
  letter-spacing: -0.004em;
  line-height: 1.12;
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(280px, 0.7fr);
  gap: 22px;
  margin-bottom: 96px;
}

.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow);
}

.panel-large {
  padding: clamp(28px, 5vw, 56px);
}

.panel-large h2 {
  max-width: 760px;
  font-size: clamp(1.72rem, 3vw, 3.15rem);
}

.panel-large p {
  max-width: 800px;
  color: var(--muted);
  font-size: clamp(1.08rem, 1.45vw, 1.28rem);
}

.panel-large p:last-child,
.panel-note p:last-child,
.section-copy p:last-child {
  margin-bottom: 0;
}

.panel-note {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: clamp(26px, 4vw, 42px);
  background: var(--ink);
  color: #ffffff;
}

.panel-note p {
  margin-bottom: 10px;
  font-size: clamp(1.12rem, 1.85vw, 1.72rem);
  font-weight: 620;
  letter-spacing: 0.018em;
  line-height: 1.12;
}

.section {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
  gap: clamp(42px, 7vw, 92px);
  padding: 96px 0;
  border-top: 1px solid var(--line);
}

.section-heading {
  position: sticky;
  top: 28px;
  align-self: start;
}

.section-copy {
  color: var(--muted);
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
}

.references {
  margin-top: 36px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.references h3 {
  margin: 0 0 14px;
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  line-height: 1.2;
  text-transform: uppercase;
}

.references ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 0;
  list-style: none;
}

.references li {
  padding-left: 0.2rem;
}


.issue .section-heading h2 {
  font-size: clamp(1.55rem, 2.7vw, 2.8rem);
}

.recommendations {
  margin: 72px 0 42px;
  padding: clamp(34px, 7vw, 72px);
  border-radius: calc(var(--radius) + 10px);
  background: var(--accent-dark);
  color: #ffffff;
  box-shadow: var(--shadow);
}

.recommendations-heading h2 {
  max-width: 880px;
  margin-bottom: 42px;
}

.recommendation-list {
  display: grid;
  gap: 0;
}

.recommendation-list article {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 20px;
  padding: 24px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.recommendation-list article:last-child {
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.recommendation-list span {
  color: #b8b8b8;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.recommendation-list p {
  max-width: 820px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: clamp(1rem, 1.35vw, 1.18rem);
  line-height: 1.58;
}

@media (max-width: 860px) {
  body {
    font-size: 17px;
  }

  .site-shell {
    width: min(100% - 28px, var(--max));
  }

  .site-header {
    align-items: flex-start;
    flex-direction: column;
    padding-bottom: 46px;
  }

  .hero {
    padding-top: 22px;
    padding-bottom: 76px;
  }

  h1 {
    margin-bottom: 28px;
    font-size: clamp(3.7rem, 17vw, 6.5rem);
  }

  .intro-grid,
  .section {
    grid-template-columns: 1fr;
  }

  .intro-grid {
    margin-bottom: 58px;
  }

  .section {
    gap: 28px;
    padding: 68px 0;
  }

  .section-heading {
    position: static;
  }

  .recommendation-list article {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 14px;
  }
}

@media (max-width: 520px) {
  .brand img {
    width: min(260px, 100%);
  }

  .panel-large,
  .panel-note,
  .recommendations {
    border-radius: 22px;
  }
}