@font-face {
  font-family: "Geologica";
  src: url("./assets/Geologica-Variable.ttf") format("truetype");
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}

:root {
  --paper: #f4f1e9;
  --ink: #090909;
  --yellow: #f7ce2a;
  --white: #fffef8;
  --muted: #5f5d58;
  --rule: #d5d1c8;
  --reading-width: 680px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Geologica", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
::selection { background: var(--yellow); color: var(--ink); }
a { color: inherit; text-underline-offset: 5px; }
img { display: block; max-width: 100%; height: auto; }
p, h1, h2 { margin: 0; }
button, a { -webkit-tap-highlight-color: transparent; }
a:focus-visible { outline: 3px solid var(--ink); outline-offset: 6px; }
.shell { width: min(1040px, calc(100% - 64px)); margin-inline: auto; }

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 10;
  padding: 12px 18px;
  background: var(--yellow);
  transform: translateY(-180%);
}
.skip-link:focus { transform: translateY(0); }

.topbar {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 2px solid var(--ink);
}
.brand { font-size: 25px; font-weight: 900; letter-spacing: -.08em; }
.brand-signature { font-size: 14px; font-weight: 520; }

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 250px;
  gap: 30px;
  align-items: end;
  padding-top: 48px;
  padding-bottom: 44px;
  border-bottom: 1px solid var(--rule);
}
.hero-copy { min-width: 0; position: relative; z-index: 1; }
.eyebrow {
  margin-bottom: 30px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 440;
}
.eyebrow span { padding-inline: 6px; }
h1 {
  width: max-content;
  max-width: 100%;
  font-size: clamp(54px, 6.6vw, 82px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.06em;
  text-transform: uppercase;
}
h1 > span { display: block; }
.headline-accent {
  width: max-content;
  max-width: 100%;
  margin-top: 8px;
  padding: 1px 9px 7px 3px;
  background: var(--yellow);
}
.headline-context {
  margin-top: 17px;
  font-size: .53em;
  font-weight: 680;
  line-height: 1;
  letter-spacing: -.055em;
}
.byline { margin-top: 38px; font-size: 15px; font-weight: 450; }
.hero-portrait { position: relative; isolation: isolate; align-self: end; }
.hero-portrait img {
  position: relative;
  width: 100%;
  mask-image: linear-gradient(#000 86%, transparent 100%);
  -webkit-mask-image: linear-gradient(#000 86%, transparent 100%);
}
.portrait-disc {
  position: absolute;
  z-index: -1;
  inset: 17% -3% 3% 2%;
  background: var(--yellow);
  border-radius: 50%;
}

.editorial-illustration { margin: 30px 0 34px; }
.editorial-illustration img { width: 100%; height: auto; mix-blend-mode: multiply; }
.editorial-illustration figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
  text-align: center;
}
.route-visual img { aspect-ratio: 3 / 1; object-fit: cover; }

.article-section {
  display: grid;
  grid-template-columns: minmax(0, var(--reading-width));
  justify-content: center;
  padding-block: 52px;
}
.reading-column {
  min-width: 0;
  max-width: var(--reading-width);
  font-size: 19px;
  font-weight: 350;
  line-height: 1.72;
  letter-spacing: -.012em;
  overflow-wrap: break-word;
}
.reading-column p + p { margin-top: 22px; }
.reading-column strong { font-weight: 620; }
.opening {
  margin-bottom: 32px;
  font-size: 22px;
  font-weight: 400;
  line-height: 1.55;
  letter-spacing: -.018em;
}
.opening .opening-twist {
  width: fit-content;
  margin-block: 24px;
  font-weight: 620;
  background: linear-gradient(transparent 67%, var(--yellow) 67%);
}
.emphasis { font-weight: 620; }
.reading-column .turning-point {
  margin-block: 30px 24px;
  font-size: 24px;
  line-height: 1.4;
  font-weight: 620;
  letter-spacing: -.025em;
}
.turning-point span { display: block; margin-top: 6px; }
.reading-column .methods-bridge { margin-top: 32px; }
.methods-bridge strong { display: block; margin-bottom: 12px; font-weight: 620; }
.playlists, .pitching, .advertising { border-top: 1px solid var(--rule); }
.advertising { padding-bottom: 60px; }
h2 {
  margin-bottom: 24px;
  font-size: clamp(30px, 3.2vw, 38px);
  line-height: 1.16;
  letter-spacing: -.04em;
  font-weight: 680;
  text-wrap: balance;
}
.reading-column .playlist-example {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-block: 28px;
  padding: 0;
  font-size: 14px;
  line-height: 1.5;
}
.playlist-step {
  position: relative;
  display: block;
  padding: 20px 18px;
  border: 1px solid var(--rule);
  border-top: 4px solid var(--yellow);
  border-radius: 10px;
  background: var(--white);
}
.playlist-step:not(:last-child)::after {
  content: "→";
  position: absolute;
  z-index: 1;
  top: 50%;
  right: -14px;
  width: 14px;
  background: var(--paper);
  font-size: 18px;
  text-align: center;
}
.playlist-example strong { display: block; margin-top: 12px; font-size: 14px; font-weight: 450; }
.playlist-example b { display: block; font-size: 33px; line-height: 1.2; font-weight: 700; letter-spacing: -.035em; }
.playlist-step-after { border-top-color: var(--ink); }
.playlist-step-after strong {
  margin-block: 12px 6px;
  font-size: 25px;
  line-height: 1.25;
  letter-spacing: -.03em;
  font-weight: 620;
}
.reading-column .takeaway {
  margin-top: 28px;
  font-size: 23px;
  line-height: 1.4;
  font-weight: 600;
  letter-spacing: -.025em;
}
.takeaway span {
  background: linear-gradient(transparent 73%, var(--yellow) 73%);
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}
.reading-column .audience-example { margin-top: 26px; }
.reading-column .case-intro { margin-top: 32px; }
.case-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  margin-top: 28px;
  padding: 30px 32px;
  background: var(--yellow);
  border-radius: 16px;
}
.case-result {
  font-size: 20px;
  font-weight: 480;
  line-height: 1.3;
  letter-spacing: -.022em;
}
.case-result strong {
  display: block;
  margin-block: 12px 6px;
  font-size: clamp(52px, 6.7vw, 76px);
  line-height: 1;
  font-weight: 780;
  letter-spacing: -.055em;
  white-space: nowrap;
  font-variant-numeric: lining-nums;
}
.case-details > p { font-size: 18px; line-height: 1.65; font-weight: 350; }
.case-link {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60px;
  margin-top: 22px;
  padding: 16px 22px;
  border: 2px solid var(--ink);
  border-radius: 999px;
  background: var(--ink);
  color: var(--white);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.35;
  text-align: center;
  text-decoration: none;
  transition: background .15s ease, color .15s ease;
}
.footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding-block: 25px 30px;
  border-top: 2px solid var(--ink);
  font-size: 13px;
  font-weight: 450;
}
.footer a { min-height: 28px; }

@media (hover: hover) {
  .case-link:hover { background: var(--white); color: var(--ink); }
}
@media (max-width: 1100px) {
  .hero { grid-template-columns: minmax(0, 1fr) 210px; gap: 22px; }
  h1 { font-size: clamp(48px, 6.4vw, 72px); }
}
@media (max-width: 800px) {
  .shell { width: calc(100% - 40px); }
  .hero { grid-template-columns: minmax(0, 1fr) 170px; padding-block: 42px 36px; gap: 12px; }
  h1 { font-size: clamp(40px, 6.4vw, 55px); }
  .eyebrow { font-size: 12px; margin-bottom: 24px; }
  .byline { font-size: 12px; margin-top: 30px; }
  .article-section { padding-block: 38px; }
  .case-card { padding: 28px; }
}
@media (max-width: 600px) {
  .editorial-illustration { margin-block: 24px 28px; }
  .editorial-illustration figcaption { font-size: 12px; }
  .topbar { min-height: 64px; gap: 16px; }
  .brand-signature { font-size: 11px; }
  .hero { display: block; padding-block: 31px 27px; }
  .eyebrow { padding-right: 0; margin-bottom: 22px; font-size: 11px; }
  h1 { font-size: clamp(35px, 9.5vw, 57px); }
  .headline-accent { margin-top: 5px; padding-right: 7px; padding-bottom: 4px; }
  .headline-context { font-size: .57em; margin-top: 13px; }
  .byline { margin-top: 31px; padding-right: 68px; font-size: 11px; }
  .hero-portrait {
    position: absolute;
    right: 0;
    bottom: 16px;
    width: 56px;
    height: 56px;
    overflow: hidden;
    border: 1px solid var(--ink);
    border-radius: 50%;
    background: var(--yellow);
  }
  .hero-portrait img { width: 74px; max-width: none; margin: 0 0 0 -7px; mask-image: none; -webkit-mask-image: none; }
  .portrait-disc { display: none; }
  .article-section { padding-block: 32px; }
  .reading-column { font-size: 17px; line-height: 1.7; letter-spacing: -.008em; }
  .reading-column p + p { margin-top: 20px; }
  .opening { margin-bottom: 28px; font-size: 19px; line-height: 1.6; }
  .opening .opening-twist { margin-block: 20px; }
  .reading-column .turning-point { margin-block: 28px 23px; font-size: 22px; }
  h2 { margin-bottom: 22px; font-size: clamp(28px, 7.4vw, 35px); }
  .reading-column .playlist-example { grid-template-columns: 1fr; gap: 14px; margin-block: 24px; padding: 0; font-size: 15px; }
  .playlist-step { padding: 17px 20px; }
  .playlist-step:not(:last-child)::after { content: "↓"; top: auto; bottom: -17px; right: 20px; width: 22px; height: 18px; line-height: 18px; }
  .playlist-example strong { display: inline; margin: 0; font-size: inherit; }
  .playlist-example b { display: inline; font-size: 25px; }
  .playlist-step-after strong { font-size: 21px; }
  .reading-column .takeaway { font-size: 21px; }
  .case-card { gap: 22px; padding: 24px 22px; margin-top: 26px; border-radius: 14px; }
  .case-result { font-size: 17px; }
  .case-result strong { margin-block: 12px 5px; font-size: clamp(50px, 15vw, 70px); }
  .case-details > p { font-size: 17px; }
  .case-link { min-height: 62px; margin-top: 22px; font-size: 14px; padding: 14px 18px; }
  .footer { align-items: center; padding-block: 22px; font-size: 11px; }
  .footer a { display: flex; align-items: center; min-height: 44px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .case-link { transition: none; }
}