:root {
  --case-bg: #000;
  --case-text: #f5f7fa;
  --case-muted: rgba(245, 247, 250, 0.66);
  --case-blue: #48bcf2;
  --case-line: rgba(255, 255, 255, 0.12);
  --case-max: 1180px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--case-bg);
}

body.case-page {
  margin: 0;
  background: var(--case-bg);
  color: var(--case-text);
  font-family: "Geom", sans-serif;
  -webkit-font-smoothing: antialiased;
}

.case-skip {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 100;
  padding: 10px 14px;
  border-radius: 999px;
  background: #fff;
  color: #000;
}

.case-skip:focus { top: 16px; }

.case-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  background: rgba(0, 0, 0, 0.78);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(18px);
}

.case-header__inner {
  width: min(calc(100% - 40px), var(--case-max));
  height: 78px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.case-brand img {
  display: block;
  width: 176px;
  height: auto;
}

.case-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.case-nav a {
  color: rgba(255, 255, 255, 0.76);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-decoration: none;
}

.case-nav a:hover,
.case-nav a:focus-visible { color: #fff; }

.case-nav .case-nav__cta {
  padding: 11px 17px;
  border-radius: 999px;
  background: var(--case-blue);
  color: #001018;
}

.case-main { overflow: hidden; }

.case-hero,
.case-story,
.case-scope,
.case-cta {
  width: min(calc(100% - 40px), var(--case-max));
  margin: 0 auto;
}

.case-hero {
  padding: 170px 0 72px;
}

.case-back,
.case-kicker {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.case-back {
  display: inline-flex;
  gap: 8px;
  margin-bottom: 64px;
  color: rgba(255, 255, 255, 0.56);
  text-decoration: none;
}

.case-back:hover,
.case-back:focus-visible { color: #fff; }

.case-kicker {
  margin: 0 0 18px;
  color: var(--case-blue);
}

.case-title {
  max-width: 980px;
  margin: 0;
  font-size: clamp(58px, 8vw, 126px);
  font-weight: 700;
  line-height: 0.92;
  letter-spacing: -0.055em;
}

.case-lead {
  max-width: 760px;
  margin: 38px 0 0;
  color: var(--case-muted);
  font-size: clamp(19px, 2vw, 28px);
  line-height: 1.5;
}

.case-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 38px;
}

.case-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 999px;
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
}

.case-button--primary {
  background: var(--case-blue);
  color: #001018;
}

.case-button--quiet { background: rgba(255, 255, 255, 0.08); }

.case-cover {
  width: min(calc(100% - 40px), 1440px);
  margin: 0 auto;
  overflow: hidden;
  border-radius: 32px;
  background: #080b10;
}

.case-cover img {
  display: block;
  width: 100%;
  height: min(72vw, 860px);
  object-fit: cover;
  object-position: center top;
}

.case-story { padding: 128px 0 110px; }

.case-section-label {
  margin: 0 0 24px;
  color: var(--case-blue);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.case-section-title {
  max-width: 850px;
  margin: 0;
  font-size: clamp(38px, 5vw, 72px);
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 52px;
  margin-top: 78px;
}

.case-card {
  padding-top: 24px;
  border-top: 1px solid var(--case-line);
}

.case-card__number {
  display: block;
  margin-bottom: 46px;
  color: rgba(255, 255, 255, 0.4);
  font-size: 12px;
  font-weight: 700;
}

.case-card h2 {
  margin: 0 0 18px;
  font-size: 24px;
  line-height: 1.2;
}

.case-card p {
  margin: 0;
  color: var(--case-muted);
  font-size: 16px;
  line-height: 1.7;
}

.case-scope {
  padding: 0 0 120px;
}

.case-scope__inner {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 80px;
  padding: 64px 0;
  border-top: 1px solid var(--case-line);
  border-bottom: 1px solid var(--case-line);
}

.case-scope h2 {
  margin: 0;
  font-size: clamp(32px, 4vw, 56px);
  line-height: 1.05;
}

.case-tags {
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
  gap: 10px;
}

.case-tags span {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.07);
  color: rgba(255, 255, 255, 0.76);
  font-size: 13px;
}

.case-note {
  grid-column: 2;
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.5);
  font-size: 13px;
  line-height: 1.6;
}

.case-cta {
  padding: 10px 0 140px;
  text-align: center;
}

.case-cta h2 {
  max-width: 800px;
  margin: 0 auto 32px;
  font-size: clamp(42px, 6vw, 88px);
  line-height: 0.98;
  letter-spacing: -0.045em;
}

.case-footer {
  border-top: 1px solid var(--case-line);
}

.case-footer__inner {
  width: min(calc(100% - 40px), var(--case-max));
  min-height: 100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: rgba(255, 255, 255, 0.48);
  font-size: 12px;
}

.case-footer a { color: inherit; }

@media (max-width: 760px) {
  .case-header__inner { height: 68px; }
  .case-brand img { width: 142px; }
  .case-nav > a:not(.case-nav__cta) { display: none; }
  .case-nav .case-nav__cta { padding: 9px 13px; font-size: 11px; }
  .case-hero { padding: 128px 0 52px; }
  .case-back { margin-bottom: 44px; }
  .case-title { font-size: clamp(52px, 17vw, 82px); }
  .case-lead { margin-top: 28px; font-size: 18px; }
  .case-cover { width: calc(100% - 24px); border-radius: 22px; }
  .case-cover img { height: 118vw; }
  .case-story { padding: 88px 0 80px; }
  .case-grid { grid-template-columns: 1fr; gap: 42px; margin-top: 54px; }
  .case-card__number { margin-bottom: 26px; }
  .case-scope { padding-bottom: 90px; }
  .case-scope__inner { grid-template-columns: 1fr; gap: 38px; padding: 50px 0; }
  .case-note { grid-column: 1; }
  .case-cta { padding-bottom: 100px; }
  .case-footer__inner { padding: 24px 0; flex-direction: column; align-items: flex-start; }
}

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