/* ============================================================================
   SEOUL Bibimbap Bar — case study theme. Playful navy / red / sky-blue,
   "happiness tastes the best". Scoped to .scase.
   ============================================================================ */
.scase {
  --s-navy: #0C2340;
  --s-red: #E5554F;
  --s-sky: #7BA4DB;
  --s-cream: #f5f3ee;
  --s-tint: #eef2f8;
  --s-ink: #0C2340;
  --s-text: #4a5568;
  position: relative; overflow: hidden; background: #fff;
  font-family: var(--font-sans); color: var(--s-text);
}
.scase .wrap { position: relative; z-index: 1; }
.scase .seyebrow { font-family: var(--font-mono); font-size: 13px; font-weight: 600; letter-spacing: .16em;
  text-transform: uppercase; color: var(--s-sky); margin: 0 0 16px; }
.scase .seyebrow--on { color: var(--s-sky); }
.scase .sh2 { font-family: var(--font-display); font-weight: 800; font-size: clamp(1.5rem,1.1rem + 1.6vw,2.3rem);
  line-height: 1.24; letter-spacing: -0.015em; color: var(--s-ink); margin: 0 0 22px; text-wrap: balance; }
.scase .sh2--on { color: #fff; }
.scase .scase__p { font-size: clamp(15px,1vw,16.5px); line-height: 1.95; color: var(--s-text); margin: 0 0 18px; }
.scase .scase__p:last-child { margin-bottom: 0; }
.smotto { font-family: var(--font-mono); font-weight: 600; font-size: clamp(13px,1vw,15px); letter-spacing: .2em;
  text-transform: uppercase; color: var(--s-red); margin: 0; }
.smotto--lg { font-size: clamp(15px,1.2vw,18px); color: var(--s-sky); margin-bottom: 14px; }

.ssec { padding-block: 3rem; }
/* spacing utilities — section bottom padding + heading top margin */
.scase .pb-gap { padding-bottom: clamp(2.5rem, 1.5rem + 4vw, 5rem); }
.scase .mt-gap { margin-top: 1.6rem; }
.ssec--tint { background: var(--s-tint); }
.ssec--navy { background: var(--s-navy); }
.ssec--navy .scase__p { color: rgba(255,255,255,.82); }

/* ---- Hero ---- */
.shero { position: relative; background: linear-gradient(165deg, var(--s-cream) 0%, #fff 100%); padding-block: clamp(1.5rem,1rem + 2vw,2.5rem) clamp(3rem,2rem + 4vw,5rem); overflow: hidden; }
.shero__logo { position: relative; z-index: 1; display: block; height: clamp(64px, 8vw, 96px); width: auto; margin-bottom: 12px; }
.shero__pattern { position: absolute; inset: 0; background-size: 320px; background-repeat: repeat; opacity: .05; z-index: 0; }
.sback { appearance: none; background: none; border: 0; cursor: pointer; display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-sans); font-size: 14px; font-weight: 500; color: var(--s-text); margin-bottom: calc(32px + 1.6rem); transition: color var(--dur-fast); }
.sback:hover { color: var(--s-red); }
.sback [data-lucide] { width: 16px; height: 16px; }
.shero__grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 1.6rem; align-items: center; }
.shero__meta { display: flex; align-items: center; gap: 14px; margin-bottom: 22px; }
.schip { display: inline-flex; font-family: var(--font-mono); font-size: 12px; font-weight: 600; letter-spacing: .06em;
  padding: 6px 14px; border-radius: 999px; color: #fff; background: var(--s-navy); }
.shero__year { font-family: var(--font-mono); font-size: 13px; color: var(--s-text); }
.shero__title { font-family: var(--font-display); font-weight: 800; font-size: clamp(2rem,1.3rem + 3vw,3.4rem);
  line-height: 1.12; letter-spacing: -0.02em; color: var(--s-navy); margin: 14px 0 0; text-wrap: balance; }
.shero__sub { font-size: clamp(15px,1vw,17px); line-height: 1.8; color: var(--s-text); margin: 22px 0 0; }
.shero__svc { font-family: var(--font-mono); font-size: 12.5px; letter-spacing: .03em; color: var(--s-sky); margin: 24px 0 0; }
.shero__media { border-radius: var(--radius-xl); overflow: hidden; box-shadow: 0 28px 56px -24px rgba(12,35,64,.45); aspect-ratio: 4 / 5; max-height: 540px; }
.shero__media img { width: 100%; height: 100%; object-fit: cover; object-position: center; display: block; }

/* ---- Big idea ---- */
.sidea { background: linear-gradient(160deg, #fff 0%, var(--s-cream) 100%); }
.sidea__title { font-family: var(--font-display); font-weight: 800; font-size: clamp(2rem,1.4rem + 3vw,3.4rem); line-height: 1.12;
  letter-spacing: -0.02em; color: var(--s-red); margin: 0 0 22px; text-wrap: balance; }
.sidea__body { font-size: clamp(16px,1.1vw,18px); line-height: 1.8; color: var(--s-text); margin: 0; max-width: 640px; margin-inline: auto; }

/* ---- Colours ---- */
.scolorlogo { display: flex; justify-content: center; align-items: center; background: #fff; border-radius: var(--radius-lg);
  border: 1px solid rgba(12,35,64,.08); box-shadow: var(--shadow-sm); padding: clamp(28px,4vw,52px); margin-bottom: 22px; max-width: 760px; }
.scolorlogo img { width: auto; max-width: 100%; max-height: 200px; object-fit: contain; display: block; }
.scolors { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; max-width: 760px; }
.scolor { background: #fff; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); border: 1px solid rgba(12,35,64,.08); }
.scolor__chip { height: 110px; }
.scolor b { display: block; font-family: var(--font-display); font-weight: 700; font-size: 15px; color: var(--s-ink); padding: 16px 18px 2px; }
.scolor span { display: block; font-family: var(--font-mono); font-size: 12.5px; color: var(--s-text); padding: 0 18px 16px; }
.stype { display: inline-flex; align-items: center; gap: 10px; margin: 28px 0 0; font-size: 14.5px; color: var(--s-text);
  background: #fff; border: 1px solid rgba(12,35,64,.1); padding: 12px 18px; border-radius: 999px; }
.stype [data-lucide] { width: 18px; height: 18px; color: var(--s-red); }

/* ---- Approach work cards ---- */
.swork { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.swork__card { background: #fff; border-radius: var(--radius-lg); padding: 32px 30px; box-shadow: 0 16px 40px -24px rgba(12,35,64,.3);
  border: 1px solid rgba(12,35,64,.07); transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out); }
.swork__card:hover { transform: translateY(-5px); box-shadow: 0 26px 52px -24px rgba(12,35,64,.4); }
.swork__icon { width: 56px; height: 56px; border-radius: var(--radius-md); display: grid; place-items: center; margin-bottom: 18px;
  background: var(--s-navy); color: #fff; }
.swork__card--1 .swork__icon { background: var(--s-red); }
.swork__card--2 .swork__icon { background: var(--s-sky); }
.swork__card--3 .swork__icon { background: var(--s-navy); }
.swork__icon [data-lucide] { width: 26px; height: 26px; }
.swork__t { font-family: var(--font-display); font-weight: 700; font-size: 19px; color: var(--s-ink); margin: 0 0 12px; }
.swork__d { font-size: 14.5px; line-height: 1.7; color: var(--s-text); margin: 0; }

/* ---- Guidelines gallery ---- */
.sguide { display: grid; grid-template-columns: 1fr 1fr; gap: 1.6rem; }
.sguide img { width: 100%; border-radius: var(--radius-lg); background: #fff; box-shadow: 0 18px 44px -26px rgba(12,35,64,.35); display: block; border: 1px solid rgba(12,35,64,.06); }

/* ---- Deliverables + result ---- */
.splanres { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(2rem,1rem + 4vw,5rem); align-items: start; }
.slist { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.slist li { display: flex; gap: 12px; align-items: flex-start; font-size: 14.5px; line-height: 1.6; color: var(--s-text); }
.slist li [data-lucide] { width: 19px; height: 19px; flex: none; color: var(--s-red); margin-top: 1px; }
.sresult__stat { background: var(--s-navy); border-radius: var(--radius-xl); padding: 32px 34px; color: #fff; }
.sresult__num { display: block; font-family: var(--font-mono); font-weight: 700; font-size: clamp(3rem,2rem + 4vw,4.8rem); line-height: 1; letter-spacing: -0.02em; }
.sresult__num i { font-style: normal; color: var(--s-red); }
.sresult__label { display: block; font-size: 14px; color: rgba(255,255,255,.8); margin-top: 12px; }

/* ---- CTA ---- */
.scta { position: relative; background: var(--s-navy); padding-block: clamp(2.5rem, 1.5rem + 4vw, 5rem); text-align: center; overflow: hidden; }
.scta__pattern { position: absolute; inset: 0; background-size: 300px; background-repeat: repeat; opacity: .07; z-index: 0; }
.scta__inner { position: relative; z-index: 1; }
.scta__title { font-family: var(--font-display); font-weight: 800; font-size: clamp(1.6rem,1.2rem + 2vw,2.6rem); color: #fff; margin: 0 0 28px; text-wrap: balance; }
.sbtn { appearance: none; cursor: pointer; display: inline-flex; align-items: center; gap: 10px; font-family: var(--font-sans);
  font-weight: 600; font-size: 16px; color: #fff; background: var(--s-red); border: 0; height: 56px; padding: 0 30px;
  border-radius: 999px; box-shadow: 0 16px 32px -14px rgba(229,85,79,.6); transition: all var(--dur-base) var(--ease-out); }
.sbtn:hover { background: #cf463f; transform: translateY(-2px); }
.sbtn [data-lucide] { width: 18px; height: 18px; }

@media (max-width: 880px) {
  .shero__grid { grid-template-columns: 1fr; gap: 32px; }
  .shero__media { order: -1; max-height: 420px; }
  .scolors { grid-template-columns: 1fr 1fr; }
  .swork { grid-template-columns: 1fr; }
  .sguide { grid-template-columns: 1fr; }
  .splanres { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 520px) { .scolors { grid-template-columns: 1fr; } }