:root {
  --background: #f4f1ea;
  --surface: #ffffff;
  --ink: #111111;
  --muted: #6b6862;
  --accent: #ff4a2f;
  --border: #d8d3ca;
  --project-accent: #ff4a2f;
  --content: 1280px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--background); font-family: "Manrope", sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
p, h1, h2, h3, blockquote, figure, dl, dd { margin: 0; }
img { display: block; max-width: 100%; }

.case-container { width: min(var(--content), calc(100% - 80px)); margin: 0 auto; }
.case-header { position: absolute; z-index: 20; top: 0; left: 0; width: 100%; padding: 24px 40px; }
.case-nav { display: flex; width: min(760px, 100%); min-height: 64px; margin: 0 auto; align-items: center; gap: 24px; padding: 10px 12px 10px 20px; border-radius: 999px; background: var(--surface); box-shadow: 0 8px 24px rgba(17,17,17,.08); }
.case-logo { margin-right: auto; font-size: 21px; font-weight: 700; letter-spacing: -.3px; }
.case-back { color: var(--muted); font-size: 14px; }
.case-contact, .case-button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 12px 18px; border-radius: 999px; font-size: 14px; font-weight: 600; line-height: 16px; }
.case-contact { color: var(--background); background: var(--accent); }

.case-hero { padding: 148px 0 80px; }
.case-label, .case-number { color: var(--accent); font-size: 12px; font-weight: 600; line-height: 16px; letter-spacing: .12em; text-transform: uppercase; }
.case-hero h1 { max-width: 1160px; margin-top: 24px; font-size: clamp(58px, 6.6vw, 94px); font-weight: 700; line-height: .99; letter-spacing: -.045em; }
.case-intro { max-width: 820px; margin-top: 32px; color: var(--muted); font-size: 26px; line-height: 1.38; letter-spacing: -.025em; }
.case-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.case-button--dark { color: var(--background); background: var(--ink); }
.case-button--light { border: 1px solid var(--border); background: var(--surface); }
.case-arrow { width: 20px; height: 20px; padding: 5px 4px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.case-meta { display: grid; margin-top: 72px; grid-template-columns: .7fr 1.35fr 1.6fr; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.case-meta > div { display: flex; min-height: 130px; flex-direction: column; gap: 12px; padding: 24px; border-right: 1px solid var(--border); }
.case-meta > div:first-child { padding-left: 0; }
.case-meta > div:last-child { border-right: 0; }
.case-meta span { color: var(--muted); font-size: 12px; line-height: 16px; text-transform: uppercase; letter-spacing: .08em; }
.case-meta strong { font-size: 17px; font-weight: 600; line-height: 1.5; }
.case-cover { height: min(760px, 54vw); min-height: 480px; margin-top: 48px; overflow: hidden; border-radius: 20px; background: var(--surface); }
.case-cover img { width: 100%; height: 100%; object-fit: cover; }

.case-section { padding: 112px 0; border-top: 1px solid var(--border); }
.case-section--tight { padding-top: 72px; }
.case-split, .concept-grid, .mobile-grid, .visual-intro { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; }
.case-section-heading h2, .case-section h2 { margin-top: 18px; font-size: clamp(44px, 4.5vw, 64px); font-weight: 700; line-height: 1.05; letter-spacing: -.035em; }
.case-section-heading--row { display: grid; margin-bottom: 48px; grid-template-columns: .55fr 1.45fr; gap: 48px; align-items: start; }
.case-section-heading--row h2 { margin-top: 0; }
.case-large-copy { font-size: 28px; line-height: 1.42; letter-spacing: -.025em; }
.case-fact { display: inline-flex; margin-top: 36px; padding: 12px 18px; border-radius: 999px; color: var(--background); background: var(--ink); font-size: 14px; font-weight: 600; }
.case-list { display: grid; margin: 36px 0 0; padding: 0; gap: 0; list-style: none; }
.case-list li { padding: 18px 0; border-top: 1px solid var(--border); color: var(--muted); font-size: 17px; line-height: 1.55; }
.case-list li::before { content: ">"; margin-right: 10px; color: var(--accent); }

.audience-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.audience-card, .research-card, .solution-card { min-height: 250px; padding: 28px; border: 1px solid var(--border); border-radius: 16px; background: var(--surface); }
.audience-card > span, .research-card > span { color: var(--muted); font-size: 12px; }
.audience-card h3, .research-card h3, .solution-card h3 { margin-top: 36px; font-size: 25px; line-height: 1.2; letter-spacing: -.025em; }
.audience-card p, .research-card p { margin-top: 16px; color: var(--muted); font-size: 15px; line-height: 1.55; }
.case-task { padding: 56px; border-radius: 24px; color: var(--background); background: var(--ink); }
.case-task .case-number { color: var(--accent); }
.case-task h2 { max-width: 900px; }
.case-task p { max-width: 880px; margin-top: 48px; font-size: 28px; line-height: 1.42; letter-spacing: -.025em; }

.case-section--research { background: #ebe7de; }
.research-grid, .solutions-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.research-card { min-height: 270px; }
.research-card > span { color: var(--accent); }
.concept-grid > div:last-child { padding-top: 12px; }
.concept-copy { font-size: 30px; line-height: 1.4; letter-spacing: -.03em; }
blockquote { margin-top: 56px; padding: 32px 0 0 32px; border-top: 1px solid var(--border); border-left: 4px solid var(--project-accent); color: var(--muted); font-size: 22px; line-height: 1.5; }

.case-section--dark { color: var(--background); background: var(--ink); }
.case-section--dark .case-section-heading--row { margin-bottom: 64px; }
.architecture-list { margin: 0; padding: 0; list-style: none; counter-reset: architecture; }
.architecture-list li { display: grid; min-height: 112px; grid-template-columns: 120px 1fr; align-items: center; border-top: 1px solid rgba(244,241,234,.22); }
.architecture-list li:last-child { border-bottom: 1px solid rgba(244,241,234,.22); }
.architecture-list span { color: var(--accent); font-size: 14px; }
.architecture-list strong { font-size: clamp(24px, 3vw, 40px); font-weight: 500; letter-spacing: -.025em; }
.solutions-grid { grid-auto-rows: 1fr; }
.solution-card { min-height: 330px; }
.solution-card h3 { margin-top: 0; font-size: 30px; }
.solution-card dl { margin-top: 36px; }
.solution-card dl > div { display: grid; grid-template-columns: 100px 1fr; gap: 16px; padding: 16px 0; border-top: 1px solid var(--border); }
.solution-card dt { color: var(--accent); font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; }
.solution-card dd { color: var(--muted); font-size: 15px; line-height: 1.5; }

.case-visual { padding-bottom: 80px; }
.visual-intro { margin-bottom: 64px; }
.visual-intro > div:last-child { padding-top: 12px; }
.visual-intro p { color: var(--muted); font-size: 20px; line-height: 1.55; }
.palette { display: flex; gap: 8px; margin-top: 32px; }
.palette span { width: 56px; height: 56px; border: 1px solid rgba(17,17,17,.12); border-radius: 50%; }
.case-gallery { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.case-gallery figure { min-height: 420px; overflow: hidden; border-radius: 18px; background: var(--surface); }
.case-gallery figure:first-child { grid-column: 1 / -1; min-height: 680px; }
.case-gallery .gallery-tall { max-height: 1100px; align-items: flex-start; }
.case-gallery img { width: 100%; height: 100%; object-fit: cover; object-position: top center; }
.case-gallery .gallery-tall img { height: auto; min-height: 100%; }

.mobile-grid { align-items: center; }
.mobile-copy p { max-width: 560px; margin-top: 32px; color: var(--muted); font-size: 20px; line-height: 1.55; }
.mobile-showcase { display: flex; height: 760px; align-items: flex-start; justify-content: center; overflow: hidden; border-radius: 180px 20px 180px 20px; background: var(--ink); }
.mobile-showcase img { width: 100%; height: 100%; object-fit: cover; object-position: top center; }
.case-section--build { background: var(--surface); }
.build-list { margin: 0; padding: 0; list-style: none; }
.build-list li { display: flex; min-height: 76px; align-items: center; justify-content: space-between; gap: 20px; border-top: 1px solid var(--border); font-size: 19px; }
.build-list li:last-child { border-bottom: 1px solid var(--border); }
.build-list span { display: grid; width: 28px; height: 28px; place-items: center; border-radius: 50%; color: var(--background); background: var(--ink); font-size: 12px; }

.case-section--result { color: var(--background); background: var(--ink); }
.case-section--result h2 { max-width: 980px; margin-top: 24px; }
.case-section--result > .case-container > p { max-width: 860px; margin-top: 48px; color: #b8b4ac; font-size: 24px; line-height: 1.5; }
.facts-grid { display: grid; margin-top: 72px; grid-template-columns: repeat(4, 1fr); border-top: 1px solid rgba(244,241,234,.24); border-bottom: 1px solid rgba(244,241,234,.24); }
.facts-grid strong { min-height: 120px; padding: 28px 22px; border-right: 1px solid rgba(244,241,234,.24); font-size: 20px; line-height: 1.35; }
.facts-grid strong:last-child { border-right: 0; }

.case-cta { padding-top: 128px; padding-bottom: 80px; }
.case-cta h2 { max-width: 1100px; margin-top: 24px; font-size: clamp(48px, 5.8vw, 80px); }
.next-case { display: grid; margin-top: 100px; grid-template-columns: 180px 1fr 60px; align-items: center; padding: 32px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.next-case span { color: var(--muted); font-size: 14px; }
.next-case strong { font-size: clamp(32px, 4vw, 56px); letter-spacing: -.035em; }
.next-case b { font-size: 40px; font-weight: 400; text-align: right; }
.case-footer { padding: 32px 0; color: var(--background); background: var(--ink); }
.case-footer .case-container { display: flex; align-items: center; gap: 28px; }
.case-footer strong { font-size: 22px; }
.case-footer span { color: #aaa69e; font-size: 14px; }
.case-footer a { margin-left: auto; color: var(--accent); font-size: 14px; font-weight: 600; }
.case-error { padding: 40px; font-size: 20px; }

@media (max-width: 900px) {
  .case-container { width: min(100% - 40px, var(--content)); }
  .case-header { padding: 16px 20px; }
  .case-back { display: none; }
  .case-hero { padding-top: 116px; }
  .case-hero h1 { font-size: 54px; }
  .case-intro { font-size: 22px; }
  .case-meta { grid-template-columns: 1fr; }
  .case-meta > div, .case-meta > div:first-child { min-height: 0; padding: 20px 0; border-right: 0; border-bottom: 1px solid var(--border); }
  .case-meta > div:last-child { border-bottom: 0; }
  .case-cover { min-height: 380px; }
  .case-split, .concept-grid, .mobile-grid, .visual-intro, .case-section-heading--row { grid-template-columns: 1fr; gap: 36px; }
  .case-section-heading--row { margin-bottom: 36px; }
  .audience-grid { grid-template-columns: 1fr; }
  .research-grid, .solutions-grid { grid-template-columns: 1fr; }
  .case-gallery figure:first-child { min-height: 480px; }
  .mobile-showcase { height: 620px; }
  .facts-grid { grid-template-columns: repeat(2, 1fr); }
  .facts-grid strong:nth-child(2) { border-right: 0; }
  .facts-grid strong:nth-child(-n+2) { border-bottom: 1px solid rgba(244,241,234,.24); }
}

@media (max-width: 560px) {
  .case-nav { min-height: 56px; padding: 6px 8px 6px 16px; }
  .case-logo { font-size: 18px; }
  .case-contact { min-height: 40px; padding: 10px 14px; font-size: 12px; }
  .case-hero { padding-bottom: 56px; }
  .case-hero h1 { margin-top: 18px; font-size: 40px; line-height: 1.02; }
  .case-intro { margin-top: 24px; font-size: 18px; }
  .case-button { width: 100%; }
  .case-meta { margin-top: 48px; }
  .case-cover { height: 310px; min-height: 0; margin-top: 32px; border-radius: 14px; }
  .case-section { padding: 72px 0; }
  .case-section-heading h2, .case-section h2 { font-size: 36px; }
  .case-large-copy, .case-task p, .concept-copy { font-size: 21px; }
  .case-task { padding: 28px; border-radius: 18px; }
  .audience-card, .research-card, .solution-card { min-height: 0; padding: 22px; }
  .architecture-list li { min-height: 88px; grid-template-columns: 52px 1fr; }
  .architecture-list strong { font-size: 22px; }
  .solution-card dl > div { grid-template-columns: 1fr; gap: 8px; }
  .palette span { width: 44px; height: 44px; }
  .case-gallery { grid-template-columns: 1fr; }
  .case-gallery figure, .case-gallery figure:first-child { min-height: 300px; grid-column: auto; }
  .mobile-showcase { height: 480px; border-radius: 120px 14px 120px 14px; }
  .facts-grid { grid-template-columns: 1fr; }
  .facts-grid strong { min-height: 80px; border-right: 0; border-bottom: 1px solid rgba(244,241,234,.24); }
  .next-case { margin-top: 64px; grid-template-columns: 1fr 44px; gap: 10px; }
  .next-case span { grid-column: 1 / -1; }
  .next-case strong { font-size: 30px; }
  .case-footer .case-container { flex-wrap: wrap; }
  .case-footer span { width: 100%; order: 3; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }