:root {
  --ink: #2b2f44;
  --muted: #70758a;
  --line: #e4e6eb;
  --soft: #f3f4f7;
  --paper: #ffffff;
  --max: 1280px;
  --gutter: clamp(24px, 5vw, 72px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Inter", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { display: block; width: 100%; height: auto; }
a { color: inherit; }
figure { margin: 0; }

.case-page {
  max-width: 1440px;
  margin: 0 auto;
  background: var(--paper);
  min-height: 100vh;
  padding: 0 var(--gutter);
}

.site-top {
  max-width: var(--max);
  margin: 0 auto;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  gap: 24px;
}
.wordmark,
.top-meta,
.eyebrow,
.section-kicker,
.contact-row small,
.case-footer strong {
  letter-spacing: .13em;
  text-transform: uppercase;
  font-size: 11px;
  font-weight: 600;
}
.wordmark { text-decoration: none; }
.top-meta { white-space: nowrap; }

main { max-width: var(--max); margin: 0 auto; }

.hero {
  padding: 64px 0 92px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 28px 70px;
  align-items: end;
}
.hero-copy { max-width: 840px; }
.eyebrow,
.section-kicker { margin: 0 0 28px; color: var(--ink); }
h1, h2 {
  font-family: "DM Serif Display", Georgia, serif;
  font-weight: 400;
  letter-spacing: -.025em;
  margin: 0;
  color: var(--ink);
}
h1 { font-size: clamp(54px, 6vw, 86px); line-height: .98; max-width: 900px; }
h2 { font-size: clamp(42px, 4.2vw, 62px); line-height: 1.02; }
.hero-lede {
  max-width: 790px;
  margin: 26px 0 0;
  font-size: 18px;
  line-height: 1.55;
  color: var(--ink);
}
.hero-note {
  align-self: center;
  max-width: 300px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}
.hero-note p { margin: 12px 0 0; }
.hero-note strong { color: var(--ink); font-weight: 600; }
.note-rule { display: block; width: 38px; border-top: 1px solid var(--ink); }
.tag-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.tag {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  border: 1px solid #d6d9e0;
  border-radius: 999px;
  padding: 10px 15px;
  font-size: 12px;
  line-height: 1;
}
.tag i { font-size: 13px; }
.full-span { grid-column: 1 / -1; }
.hero-visual { margin-top: 4px; overflow: hidden; border-radius: 12px; background: #f4f4f4; }

.case-section {
  border-top: 1px solid var(--line);
  padding: 110px 0;
  display: grid;
  grid-template-columns: minmax(280px, .82fr) minmax(0, 1.5fr);
  gap: clamp(60px, 7vw, 110px);
  align-items: start;
}
.section-copy { max-width: 450px; }
.section-copy h2 { margin-bottom: 28px; }
.section-copy p:not(.section-kicker) {
  margin: 0 0 24px;
  font-size: 17px;
  line-height: 1.58;
  color: var(--ink);
}

.principles { display: grid; gap: 38px; padding-top: 50px; }
.principle { display: grid; grid-template-columns: 54px 1fr; gap: 22px; align-items: start; max-width: 620px; }
.icon-circle,
.workflow-icon {
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--soft);
  color: var(--ink);
  flex: 0 0 auto;
}
.icon-circle i { font-size: 19px; }
.principle h3 { margin: 2px 0 6px; font-size: 16px; }
.principle p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.5; }

.fidelity-media { padding-top: 6px; }
.reference-main picture,
.reference-main img { border-radius: 8px; }
.reference-main img { background: #f8f8f8; }
figcaption { color: var(--ink); font-size: 12px; line-height: 1.45; margin-top: 12px; }
figcaption strong { display: block; font-size: 13px; margin-bottom: 3px; }
figcaption span { color: var(--muted); }
.detail-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 30px; }
.detail-grid img { aspect-ratio: 4 / 3; object-fit: cover; border-radius: 7px; }

.message-media { display: grid; gap: 26px; }
.compare-row { display: grid; grid-template-columns: 1fr 28px 1fr; gap: 12px; align-items: center; }
.compare-row img,
.final-result img { border-radius: 7px; }
.compare-row figcaption,
.final-result figcaption { text-align: center; font-size: 11px; color: var(--ink); margin-top: 10px; }
.compare-arrow { text-align: center; font-size: 24px; color: var(--muted); }
.final-result { margin-top: 4px; }

.formats-media { display: grid; gap: 28px; }
.format-desktop img { border-radius: 7px; }
.format-desktop figcaption { text-align: center; }
.format-small-grid {
  display: grid;
  grid-template-columns: .78fr 1fr 1fr;
  gap: 22px;
  align-items: end;
}
.format-small-grid figure { min-width: 0; }
.format-small-grid img { border-radius: 7px; object-fit: cover; }
.format-mobile img { aspect-ratio: 9 / 16; }
.format-small-grid figure:nth-child(2) img { aspect-ratio: 4 / 5; }
.format-small-grid figure:nth-child(3) img { aspect-ratio: 1 / 1; }
.format-small-grid figcaption { text-align: center; }
.commercial-media .format-small-grid { grid-template-columns: .82fr 1fr 1fr; }

.workflow { align-items: center; }
.workflow-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 38px 24px;
  counter-reset: flow;
}
.workflow-grid li {
  position: relative;
  text-align: center;
  counter-increment: flow;
  min-width: 0;
}
.workflow-grid li::before {
  content: "0" counter(flow);
  display: block;
  margin-bottom: 11px;
  color: #9da1af;
  font-size: 11px;
  letter-spacing: .08em;
}
.workflow-grid li:not(:nth-child(4)):not(:last-child)::after {
  content: "→";
  position: absolute;
  top: 58px;
  right: -18px;
  color: #969baa;
  font-size: 18px;
}
.workflow-icon { margin: 0 auto 16px; }
.workflow-icon.is-final { background: var(--ink); color: #fff; }
.workflow-grid strong { display: block; font-size: 14px; margin-bottom: 9px; }
.workflow-grid p { margin: 0 auto; max-width: 160px; color: var(--muted); font-size: 12px; line-height: 1.45; }

.about-section {
  border-top: 1px solid var(--line);
  padding: 110px 0 90px;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 90px;
}
.about-copy { max-width: 640px; }
.about-copy h2 { margin-bottom: 30px; }
.about-copy p { font-size: 17px; line-height: 1.58; margin: 0 0 22px; }
.text-link { display: inline-block; margin-top: 14px; font-size: 14px; font-weight: 600; text-decoration: none; border-bottom: 1px solid var(--ink); padding-bottom: 4px; }
.contact-panel { border-left: 1px solid var(--line); padding-left: clamp(36px, 5vw, 72px); }
.contact-panel h2 { margin-bottom: 24px; }
.contact-row {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 20px;
  align-items: center;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}
.contact-row i { font-size: 24px; text-align: center; }
.contact-row small { display: block; margin-bottom: 6px; }
.contact-row strong { font-size: 16px; font-weight: 500; overflow-wrap: anywhere; }
.contact-row:hover strong, .text-link:hover { opacity: .65; }

.case-footer {
  max-width: var(--max);
  margin: 0 auto;
  border-top: 1px solid var(--line);
  padding: 34px 0 46px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.case-footer div { display: grid; gap: 8px; }
.case-footer div span { color: var(--muted); font-size: 12px; }
.case-footer p { justify-self: end; max-width: 500px; margin: 0; color: #9a9eac; font-size: 11px; line-height: 1.5; }

@media (max-width: 1000px) {
  .hero { grid-template-columns: 1fr; gap: 26px; }
  .hero-note { max-width: 560px; }
  .case-section { grid-template-columns: 1fr; gap: 54px; padding: 86px 0; }
  .section-copy { max-width: 720px; }
  .principles { padding-top: 0; grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .principle { grid-template-columns: 48px 1fr; gap: 14px; }
  .formats-media, .message-media, .fidelity-media { max-width: 880px; }
  .about-section { grid-template-columns: 1fr 1fr; gap: 50px; }
}

@media (max-width: 760px) {
  :root { --gutter: 22px; }
  body { background: #fff; }
  .case-page { padding: 0 var(--gutter); }
  .site-top { min-height: 62px; }
  .top-meta { font-size: 9px; letter-spacing: .09em; }
  .wordmark { font-size: 10px; }
  .hero { padding: 46px 0 68px; }
  h1 { font-size: clamp(46px, 13vw, 64px); }
  h2 { font-size: clamp(39px, 10vw, 54px); }
  .hero-lede, .section-copy p:not(.section-kicker), .about-copy p { font-size: 16px; }
  .tag-row { gap: 8px; }
  .tag { padding: 9px 12px; font-size: 11px; }
  .hero-visual { border-radius: 8px; }
  .case-section { padding: 70px 0; gap: 40px; }
  .section-kicker { margin-bottom: 20px; }
  .principles { grid-template-columns: 1fr; gap: 26px; }
  .detail-grid { grid-template-columns: 1fr; gap: 24px; }
  .detail-grid img { aspect-ratio: 16 / 10; }
  .compare-row { grid-template-columns: 1fr; gap: 18px; }
  .compare-arrow { transform: rotate(90deg); }
  .format-small-grid,
  .commercial-media .format-small-grid { grid-template-columns: 1fr 1fr; align-items: start; }
  .format-mobile { grid-row: span 2; }
  .workflow-grid { grid-template-columns: repeat(2, minmax(0,1fr)); gap: 34px 18px; }
  .workflow-grid li::after { display: none; }
  .about-section { grid-template-columns: 1fr; gap: 56px; padding: 80px 0 70px; }
  .contact-panel { border-left: 0; border-top: 1px solid var(--line); padding: 48px 0 0; }
  .case-footer { grid-template-columns: 1fr; gap: 24px; }
  .case-footer p { justify-self: start; }
}

@media (max-width: 480px) {
  .site-top { align-items: flex-start; padding-top: 20px; padding-bottom: 16px; }
  .top-meta { text-align: right; max-width: 150px; }
  .eyebrow { margin-bottom: 20px; }
  h1 { font-size: 44px; }
  h2 { font-size: 40px; }
  .hero-lede { margin-top: 20px; }
  .format-small-grid,
  .commercial-media .format-small-grid { grid-template-columns: 1fr; }
  .format-mobile { grid-row: auto; }
  .format-mobile img,
  .format-small-grid figure:nth-child(2) img,
  .format-small-grid figure:nth-child(3) img { max-height: none; }
  .workflow-grid { grid-template-columns: 1fr 1fr; }
  .workflow-grid p { max-width: 140px; }
}