/* ═══ IR PAGE ═══ */
.ir-page {
  --ir-bg: #07070f;
  --ir-surface: rgba(255, 255, 255, 0.035);
  --ir-line: rgba(255, 255, 255, 0.09);
  --ir-text: #fff;
  --ir-muted: rgba(255, 255, 255, 0.6);
  --ir-faint: rgba(255, 255, 255, 0.5);
  --ir-saju: #e2683c;
  --ir-ai: #4f8ff7;
  --ir-live: #22c55e;
  --ir-ease: cubic-bezier(0.16, 1, 0.3, 1);
  background: var(--ir-bg);
  color: var(--ir-text);
  overflow-x: clip;
}
.ir-page .header { background: rgba(7, 7, 15, 0.7); border-bottom: 1px solid rgba(255, 255, 255, 0.05); }
.ir-page .nav .nav__item { color: rgba(255, 255, 255, 0.35); }
.ir-page .nav .nav__item.--active { color: #fff; }
.ir-page .lang__current { color: rgba(255, 255, 255, 0.5); }
.ir-page .menu-btn { color: #fff; }

.ir { font-family: 'Pretendard', 'Noto Sans KR', sans-serif; word-break: keep-all; overflow-wrap: anywhere; }
.ir-wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* ── Hero ── */
.ir-hero {
  padding: clamp(140px, 16vw, 200px) 0 clamp(48px, 6vw, 80px);
  background:
    radial-gradient(ellipse 60% 50% at 85% 20%, rgba(226, 104, 60, 0.14), transparent 70%),
    radial-gradient(ellipse 50% 40% at 10% 90%, rgba(79, 143, 247, 0.10), transparent 70%);
  border-bottom: 1px solid var(--ir-line);
}
.ir-eyebrow {
  font: 500 11px 'Poppins', sans-serif;
  letter-spacing: 6px;
  text-transform: uppercase;
  color: var(--ir-saju);
  margin: 0 0 24px;
}
.ir-hero__title {
  font: 800 clamp(44px, 1.5rem + 6vw, 104px)/1 'Noto Sans KR', 'Poppins', sans-serif;
  letter-spacing: -0.045em;
  margin: 0 0 28px;
  max-width: 14ch;
}
.ir-hero__title em { font-style: normal; color: var(--ir-saju); }
.ir-hero__lede {
  font-size: clamp(16px, 0.9rem + 0.45vw, 20px);
  line-height: 1.75;
  color: var(--ir-muted);
  max-width: 640px;
  margin: 0 0 56px;
}
.ir-hero__lede strong { color: var(--ir-text); font-weight: 600; }

.ir-facts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 0;
  border-top: 1px solid var(--ir-line);
}
.ir-fact { padding: 20px 20px 0 0; }
.ir-fact + .ir-fact { padding-left: 20px; border-left: 1px solid var(--ir-line); }
.ir-fact dt {
  font: 500 11px 'Poppins', sans-serif;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--ir-faint);
  margin-bottom: 8px;
}
.ir-fact dd { margin: 0; font: 700 18px/1.4 'Noto Sans KR', sans-serif; }

/* ── Sections ── */
.ir-sec { padding: clamp(64px, 9vw, 120px) 0; border-top: 1px solid var(--ir-line); }
.ir-sec__num {
  font: 600 12px 'Poppins', sans-serif;
  letter-spacing: 4px;
  color: var(--ir-faint);
  margin: 0 0 14px;
}
.ir-sec__title {
  font: 800 clamp(30px, 1rem + 3vw, 54px)/1.12 'Noto Sans KR', sans-serif;
  letter-spacing: -0.035em;
  margin: 0 0 20px;
  max-width: 22ch;
}
.ir-sec__lede { font-size: 17px; line-height: 1.75; color: var(--ir-muted); max-width: 680px; margin: 0 0 40px; }
.ir-sec__lede strong { color: var(--ir-text); }

/* Market stats — lead stat dominates */
.ir-stats { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 14px; }
.ir-stat {
  background: var(--ir-surface);
  border: 1px solid var(--ir-line);
  border-radius: 16px;
  padding: 28px 24px;
}
.ir-stat--lead {
  background: linear-gradient(140deg, rgba(226, 104, 60, 0.22), rgba(226, 104, 60, 0.04));
  border-color: rgba(226, 104, 60, 0.4);
}
.ir-stat__v {
  font: 800 clamp(34px, 1rem + 3vw, 56px)/1 'Poppins', 'Noto Sans KR', sans-serif;
  letter-spacing: -0.04em;
  margin: 0 0 12px;
}
.ir-stat--lead .ir-stat__v { font-size: clamp(44px, 1rem + 4.5vw, 76px); }
.ir-stat__k { font-size: 15px; line-height: 1.6; color: var(--ir-muted); margin: 0 0 14px; }
.ir-stat__src { font-size: 12px; color: var(--ir-faint); margin: 0; }
.ir-note { margin: 28px 0 0; font-size: 16px; line-height: 1.75; color: var(--ir-muted); max-width: 760px; }
.ir-note strong { color: var(--ir-text); }

/* Moat */
.ir-moat {
  list-style: none;
  counter-reset: moat;
  margin: 40px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--ir-line);
  border: 1px solid var(--ir-line);
  border-radius: 16px;
  overflow: hidden;
}
.ir-moat__item { background: var(--ir-bg); padding: 32px 28px; counter-increment: moat; }
.ir-moat__item::before {
  content: counter(moat, decimal-leading-zero);
  font: 600 12px 'Poppins', sans-serif;
  color: var(--ir-ai);
  letter-spacing: 2px;
}
.ir-moat__h { font: 700 21px/1.4 'Noto Sans KR', sans-serif; margin: 12px 0 10px; }
.ir-moat__p { font-size: 15px; line-height: 1.75; color: var(--ir-muted); margin: 0; }

/* Business model table */
.ir-table-wrap { overflow-x: auto; border: 1px solid var(--ir-line); border-radius: 16px; }
.ir-table { width: 100%; border-collapse: collapse; min-width: 640px; }
.ir-table th, .ir-table td { text-align: left; padding: 18px 20px; border-bottom: 1px solid var(--ir-line); font-size: 15px; }
.ir-table thead th {
  font: 500 11px 'Poppins', sans-serif;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--ir-faint);
}
.ir-table tbody tr:last-child > * { border-bottom: 0; }
.ir-table tbody th { font: 700 16px 'Poppins', 'Noto Sans KR', sans-serif; }
.ir-table td { color: var(--ir-muted); }
.ir-row td:first-child { box-shadow: inset 3px 0 0 var(--ir-saju); color: var(--ir-text); }
.ir-row--ai td:first-child { box-shadow: inset 3px 0 0 var(--ir-ai); }
.ir-row--side td:first-child { box-shadow: inset 3px 0 0 var(--ir-faint); }
.ir-row--side th, .ir-row--side td { font-size: 13px; opacity: 0.75; }
.ir-state {
  display: inline-block;
  font: 600 11px 'Poppins', 'Noto Sans KR', sans-serif;
  letter-spacing: 1px;
  padding: 4px 10px;
  border-radius: 999px;
  white-space: nowrap;
}
.ir-state--live { color: var(--ir-live); background: rgba(34, 197, 94, 0.1); }
.ir-state--dev { color: var(--ir-saju); background: rgba(226, 104, 60, 0.12); }

/* Timeline */
.ir-timeline { list-style: none; margin: 40px 0 28px; padding: 0; border-left: 1px solid var(--ir-line); }
.ir-timeline__item { position: relative; display: grid; grid-template-columns: 120px 1fr; gap: 16px; padding: 14px 0 14px 28px; }
.ir-timeline__item::before {
  content: '';
  position: absolute;
  left: -4px;
  top: 22px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ir-faint);
}
.ir-timeline__item.is-saju::before { background: var(--ir-saju); box-shadow: 0 0 0 4px rgba(226, 104, 60, 0.18); }
.ir-timeline__date { font: 600 14px 'Poppins', sans-serif; color: var(--ir-faint); padding-top: 2px; }
.ir-timeline__t { margin: 0; font-size: 16px; line-height: 1.6; }
.ir-timeline__item.is-saju .ir-timeline__t { font-weight: 700; }

/* Next */
.ir-next { list-style: none; margin: 40px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.ir-next__item { border-top: 2px solid var(--ir-saju); padding-top: 20px; }
.ir-next__item:nth-child(2) { border-color: #f59e0b; }
.ir-next__item:nth-child(3) { border-color: var(--ir-ai); }
.ir-next__step { font: 600 11px 'Poppins', sans-serif; letter-spacing: 3px; color: var(--ir-faint); }
.ir-next__h { font: 700 20px/1.4 'Noto Sans KR', sans-serif; margin: 10px 0; }
.ir-next__p { font-size: 15px; line-height: 1.75; color: var(--ir-muted); margin: 0; }

/* Funding + team */
.ir-split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.ir-split .ir-sec__title { font-size: clamp(26px, 1rem + 2vw, 38px); }
.ir-list { list-style: none; margin: 24px 0 0; padding: 0; }
.ir-list li { display: grid; grid-template-columns: 90px 1fr; gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--ir-line); font-size: 15px; line-height: 1.6; }
.ir-list li span { font: 600 13px 'Poppins', sans-serif; color: var(--ir-faint); padding-top: 2px; }

.ir-link {
  display: inline-flex;
  font: 600 14px 'Poppins', 'Noto Sans KR', sans-serif;
  color: var(--ir-text);
  text-decoration: none;
  border-bottom: 1px solid var(--ir-faint);
  padding-bottom: 2px;
  transition: border-color 0.2s ease;
}
.ir-link:hover, .ir-link:focus-visible { border-color: var(--ir-saju); }

/* CTA */
.ir-cta {
  padding: clamp(72px, 10vw, 140px) 0;
  border-top: 1px solid var(--ir-line);
  background: radial-gradient(ellipse 60% 70% at 50% 100%, rgba(226, 104, 60, 0.16), transparent 70%);
  text-align: center;
}
.ir-cta__title { font: 800 clamp(32px, 1rem + 3.5vw, 64px)/1.1 'Noto Sans KR', sans-serif; letter-spacing: -0.04em; margin: 0 0 18px; }
.ir-cta__p { font-size: 17px; color: var(--ir-muted); margin: 0 auto 36px; max-width: 560px; line-height: 1.7; }
.ir-cta__actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; }
.ir-btn {
  display: inline-flex;
  align-items: center;
  padding: 15px 26px;
  border-radius: 999px;
  border: 1px solid var(--ir-line);
  color: var(--ir-text);
  text-decoration: none;
  font: 600 15px 'Poppins', 'Noto Sans KR', sans-serif;
  transition: transform 0.3s var(--ir-ease), background 0.2s ease, border-color 0.2s ease;
}
.ir-btn:hover, .ir-btn:focus-visible { transform: translateY(-2px); border-color: rgba(255, 255, 255, 0.3); }
.ir-btn:focus-visible { outline: 2px solid var(--ir-saju); outline-offset: 3px; }
.ir-btn--primary { background: #bc5632; border-color: #bc5632; color: #fff; }
.ir-btn--primary:hover { background: #ef7a4e; border-color: #ef7a4e; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .ir-facts { grid-template-columns: repeat(2, 1fr); }
  .ir-fact:nth-child(3) { border-left: 0; padding-left: 0; }
  .ir-stats { grid-template-columns: 1fr 1fr; }
  .ir-stat--lead { grid-column: 1 / -1; }
  .ir-next { grid-template-columns: 1fr; }
  .ir-split { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .ir-wrap { padding: 0 16px; }
  .ir-facts { grid-template-columns: 1fr; }
  .ir-fact + .ir-fact { border-left: 0; padding-left: 0; border-top: 1px solid var(--ir-line); }
  .ir-fact { padding: 16px 0; }
  .ir-stats, .ir-moat { grid-template-columns: 1fr; }
  .ir-timeline__item { grid-template-columns: 1fr; gap: 4px; }
}
@media (prefers-reduced-motion: reduce) {
  .ir-btn { transition: none; }
  .ir-btn:hover { transform: none; }
}
.ir-table tbody th small { font: 500 12px 'Poppins', sans-serif; color: var(--ir-faint); margin-left: 6px; }
.ir-state--soon { color: var(--ir-saju); background: rgba(226, 104, 60, 0.12); }