/* Components — nav, footer, button, card, marquee, form, badge, metric, hero */

/* ── Top Nav ────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-base) var(--ease-out), background var(--dur-base) var(--ease-out);
}
.nav.is-scrolled {
  border-bottom-color: var(--color-border);
  background: rgba(255, 255, 255, 0.92);
}
.nav__inner {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 14px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav__brand {
  font-family: var(--font-display);
  font-weight: var(--fw-semibold);
  font-size: 16px;
  letter-spacing: 0.04em;
  color: var(--color-navy);
}
.nav__brand:hover { color: var(--color-navy); }
.nav__menu {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav__menu a {
  font-size: 14px;
  color: var(--color-text-secondary);
  font-weight: var(--fw-medium);
}
.nav__menu a:hover,
.nav__menu a[aria-current="page"] {
  color: var(--color-text-primary);
}
.nav__cta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.nav__lang {
  position: relative;
  display: inline-flex;
  align-items: center;
}
.nav__lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 10px;
  font-family: inherit;
  font-size: 13px;
  font-weight: var(--fw-medium);
  letter-spacing: 0.02em;
  color: var(--color-text-secondary);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--dur-base) var(--ease-out), color var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out);
}
.nav__lang-toggle:hover {
  color: var(--color-text-primary);
  background: var(--color-bg-secondary);
  border-color: var(--color-border);
}
.nav__lang.is-open .nav__lang-toggle {
  color: var(--color-text-primary);
  background: var(--color-bg-secondary);
  border-color: var(--color-border-strong);
}
.nav__lang-toggle svg { flex-shrink: 0; }
.nav__lang-current-short { font-variant: small-caps; }
.nav__lang-current-full { display: none; }
.nav__lang-caret {
  display: inline-block;
  width: 0; height: 0;
  border-left: 3.5px solid transparent;
  border-right: 3.5px solid transparent;
  border-top: 4px solid currentColor;
  margin-left: 2px;
  transition: transform var(--dur-base) var(--ease-out);
}
.nav__lang.is-open .nav__lang-caret { transform: rotate(180deg); }

.nav__lang-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 180px;
  padding: 8px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: none;
  flex-direction: column;
  gap: 2px;
  z-index: var(--z-overlay);
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
}
.nav__lang.is-open .nav__lang-menu {
  display: flex;
  opacity: 1;
  transform: none;
}
.nav__lang-menu a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 12px;
  font-size: 14px;
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  transition: background var(--dur-base) var(--ease-out), color var(--dur-base) var(--ease-out);
}
.nav__lang-menu a:hover {
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
}
.nav__lang-menu a[aria-current="true"] {
  color: var(--color-text-primary);
  font-weight: var(--fw-semibold);
  background: var(--color-bg-secondary);
}
.nav__lang-menu a[aria-current="true"]::after {
  content: "✓";
  color: var(--color-accent);
  font-size: 12px;
  font-weight: var(--fw-semibold);
}
.nav__lang-menu a__short {
  font-size: 11px;
  color: var(--color-text-tertiary);
  letter-spacing: 0.06em;
}

@media (max-width: 639px) {
  .nav__lang-current-short { display: none; }
  .nav__lang-toggle { padding: 7px 8px; }
}
.nav__toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
}
.nav__toggle span,
.nav__toggle span::before,
.nav__toggle span::after {
  content: "";
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--color-text-primary);
  position: relative;
  transition: transform var(--dur-base) var(--ease-out), top var(--dur-base) var(--ease-out);
}
.nav__toggle span::before { position: absolute; top: -6px; left: 0; }
.nav__toggle span::after  { position: absolute; top: 6px;  left: 0; }
.nav.is-open .nav__toggle span { background: transparent; }
.nav.is-open .nav__toggle span::before { top: 0; transform: rotate(45deg); }
.nav.is-open .nav__toggle span::after  { top: 0; transform: rotate(-45deg); }

.nav__overlay {
  position: fixed;
  inset: 60px 0 0 0;
  background: var(--color-bg);
  padding: 32px var(--gutter);
  display: none;
  flex-direction: column;
  gap: 4px;
  z-index: calc(var(--z-sticky) - 1);
}
.nav__overlay a {
  font-size: 22px;
  font-weight: var(--fw-medium);
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-primary);
}
.nav.is-open .nav__overlay { display: flex; }

@media (max-width: 1023px) {
  .nav__menu { display: none; }
  .nav__toggle { display: inline-flex; }
}

/* ── Buttons ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  font-size: 14px;
  font-weight: var(--fw-semibold);
  line-height: 1;
  padding: 12px 18px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--dur-base) var(--ease-out), color var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out), transform var(--dur-fast) var(--ease-out);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--color-navy);
  color: var(--color-text-inverse);
}
.btn-primary:hover { background: var(--color-navy-700); color: var(--color-text-inverse); }
.btn-secondary {
  background: var(--color-bg);
  color: var(--color-text-primary);
  border-color: var(--color-border-strong);
}
.btn-secondary:hover { border-color: var(--color-text-primary); color: var(--color-text-primary); }
.btn-ghost {
  background: transparent;
  color: var(--color-text-primary);
}
.btn-ghost:hover { color: var(--color-accent); }
.btn-accent {
  background: var(--color-accent);
  color: var(--color-text-inverse);
}
.btn-accent:hover { background: var(--color-accent-700); color: var(--color-text-inverse); }
.btn-sm { padding: 8px 14px; font-size: 13px; border-radius: var(--radius-sm); }
.btn-lg { padding: 16px 28px; font-size: 16px; }
.btn-arrow::after { content: "→"; transition: transform var(--dur-base) var(--ease-out); }
.btn-arrow:hover::after { transform: translateX(3px); }

/* ── Cards ────────────────────────────────────────────── */
.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: border-color var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
}
.card-hover:hover {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.card-soft { background: var(--color-bg-secondary); border-color: transparent; }
.card-accent {
  background: var(--color-accent-100);
  border-color: var(--color-border-accent);
  color: var(--color-text-primary);
}
.card-feature {
  border: 2px solid var(--color-accent);
  background: linear-gradient(180deg, var(--color-accent-100) 0%, var(--color-bg) 100%);
}
.card__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-accent-100);
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.card__title {
  font-size: 18px;
  font-weight: var(--fw-semibold);
  margin-bottom: 8px;
  color: var(--color-text-primary);
}
.card__desc {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: var(--lh-relaxed);
}
.card__link {
  margin-top: 20px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: var(--fw-medium);
  color: var(--color-accent);
}
.card__link::after { content: "→"; transition: transform var(--dur-base) var(--ease-out); }
.card-hover:hover .card__link::after { transform: translateX(3px); }

/* ── Badge / Pill / Tag ────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: var(--fw-medium);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
}
.badge-accent { background: var(--color-accent-100); color: var(--color-accent); }
.badge-navy { background: var(--color-navy); color: var(--color-text-inverse); }
.badge-success { background: rgba(15, 143, 90, 0.12); color: var(--color-success); }
.badge-outline { background: transparent; border: 1px solid var(--color-border-strong); }

.tag {
  display: inline-flex;
  align-items: center;
  font-size: 13px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: var(--color-bg-secondary);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}

/* ── Metric ────────────────────────────────────────────── */
.metric {
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  padding: 28px;
}
.metric-accent { background: var(--color-accent-100); }
.metric__label {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}
.metric__value {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.4vw, 40px);
  font-weight: var(--fw-semibold);
  letter-spacing: -0.015em;
  color: var(--color-text-primary);
  line-height: 1.1;
}
.metric-accent .metric__value { color: var(--color-accent); }
.metric__sub { font-size: 13px; color: var(--color-text-tertiary); margin-top: 6px; }

/* ── Marquee (partner logos / chips) ────────────────────────────────────────────── */
.marquee {
  overflow: hidden;
  width: 100%;
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 6%, #000 94%, transparent);
          mask-image: linear-gradient(90deg, transparent 0, #000 6%, #000 94%, transparent);
}
.marquee__track {
  display: flex;
  width: max-content;
  gap: 12px;
  animation: marquee-l 38s linear infinite;
}
.marquee__track--reverse { animation-name: marquee-r; animation-duration: 44s; }
@keyframes marquee-l { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@keyframes marquee-r { from { transform: translateX(-50%); } to { transform: translateX(0); } }
.marquee:hover .marquee__track { animation-play-state: paused; }

.partner-chip {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 12px 20px;
  font-size: 14px;
  font-weight: var(--fw-medium);
  color: var(--color-text-secondary);
  white-space: nowrap;
  flex-shrink: 0;
}

/* ── Hero ────────────────────────────────────────────── */
.hero {
  position: relative;
  padding-top: clamp(64px, 8vw, 96px);
  padding-bottom: clamp(80px, 10vw, 120px);
  overflow: hidden;
}
.hero__inner { display: grid; grid-template-columns: 1fr 1.05fr; gap: 56px; align-items: center; }
.hero__title {
  font-size: var(--fs-display);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-tight);
  letter-spacing: -0.025em;
  margin: 18px 0 20px;
  text-wrap: balance;
}
.hero__sub {
  font-size: 18px;
  line-height: var(--lh-relaxed);
  color: var(--color-text-secondary);
  max-width: 540px;
}
.hero__sub-strong {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--color-border);
  font-weight: var(--fw-medium);
  color: var(--color-text-primary);
}
.hero__cta { margin-top: 32px; display: flex; gap: 10px; flex-wrap: wrap; }

.hero__media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, #0B2545 0%, #133968 60%, #1E5AE6 100%);
  box-shadow: var(--shadow-lg);
}
.hero__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  background: #0B2545;
}
.hero__media-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.18), transparent 60%);
  pointer-events: none;
  transition: opacity var(--dur-base) var(--ease-out);
}
.hero__media.is-playing .hero__media-overlay,
.hero__media.is-playing .hero__play,
.hero__media.is-playing .hero__media-caption { opacity: 0; pointer-events: none; }
.hero__play {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 76px;
  height: 76px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.95);
  color: var(--color-navy);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  border: 0;
  transition: transform var(--dur-base) var(--ease-out), opacity var(--dur-base) var(--ease-out);
  z-index: 2;
}
.hero__play:hover { transform: translate(-50%, -50%) scale(1.06); }
.hero__media-caption {
  position: absolute;
  left: 24px;
  bottom: 24px;
  color: rgba(255,255,255,0.85);
  font-size: 13px;
  pointer-events: none;
  transition: opacity var(--dur-base) var(--ease-out);
  z-index: 2;
}

@media (max-width: 1023px) {
  .hero__inner { grid-template-columns: 1fr; gap: 32px; }
  .hero__media { aspect-ratio: 16 / 9; }
}

/* ── Section heading group ────────────────────────────────────────────── */
.section__head { text-align: center; margin-bottom: 56px; }
.section__head .eyebrow { margin-bottom: 12px; }
.section__head h2 { font-size: var(--fs-h2); margin-bottom: 14px; text-wrap: balance; }
.section__head p { font-size: 17px; color: var(--color-text-secondary); max-width: 620px; margin: 0 auto; line-height: var(--lh-relaxed); }
.section__head--left { text-align: left; }
.section__head--left p { margin-left: 0; }

/* ── Form ────────────────────────────────────────────── */
.form { display: grid; gap: 14px; max-width: 540px; margin: 0 auto; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form input,
.form select,
.form textarea {
  width: 100%;
  padding: 14px 16px;
  font-size: 15px;
  background: var(--color-bg);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  transition: border-color var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
.form input:focus,
.form select:focus,
.form textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-100);
}
.form textarea { min-height: 120px; resize: vertical; font-family: inherit; }
.form label { font-size: 13px; color: var(--color-text-secondary); font-weight: var(--fw-medium); }
.form-submit { justify-self: center; padding: 14px 32px; }

@media (max-width: 639px) {
  .form-row { grid-template-columns: 1fr; }
}

/* ── Footer ────────────────────────────────────────────── */
.footer {
  background: var(--color-bg-inverse);
  color: rgba(255, 255, 255, 0.7);
  padding: 80px 0 40px;
  margin-top: 80px;
}
.footer__inner {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.footer__cols {
  display: grid;
  grid-template-columns: 1.4fr repeat(5, 1fr);
  gap: 32px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer__brand h4 {
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 0.04em;
  color: #ffffff;
  margin-bottom: 10px;
}
.footer__brand p { font-size: 13px; line-height: 1.7; color: rgba(255,255,255,0.6); }
.footer__col h5 {
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #ffffff;
  margin-bottom: 14px;
  font-weight: var(--fw-medium);
}
.footer__col ul li { margin-bottom: 10px; }
.footer__col a {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
}
.footer__col a:hover { color: #ffffff; }
.footer__bottom {
  padding-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  align-items: center;
  justify-content: space-between;
}
.footer__bottom a { color: rgba(255,255,255,0.6); }
.footer__bottom a:hover { color: #ffffff; }

/* 사업자 정보 (법적 표기) — 2단 row, 필드별 nowrap + 가운뎃점 구분 */
.footer__legal {
  padding-top: 24px;
  display: grid;
  gap: 7px;
  font-size: 12px;
  line-height: 1.6;
  color: rgba(255,255,255,0.42);
}
.footer__legal-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  row-gap: 4px;
}
.footer__legal-row span { white-space: nowrap; }       /* 라벨+값이 줄 경계에서 안 쪼개짐 */
.footer__legal-row span.footer__legal-addr { white-space: normal; }  /* 주소만 모바일서 자연 줄바꿈 */
.footer__legal-row span:not(:last-child)::after {
  content: "·";
  margin: 0 10px;
  color: rgba(255,255,255,0.28);
}

@media (max-width: 1023px) {
  .footer__cols { grid-template-columns: 1fr 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 639px) {
  .footer__cols { grid-template-columns: 1fr 1fr; }
}

/* ── Stage ladder (paradigm visual on /) ────────────────────────────────────────────── */
.stages { display: grid; grid-template-columns: 1fr 16px 1fr 16px 1fr 16px 1fr; gap: 6px; align-items: stretch; }
.stage {
  background: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  padding: 22px 18px;
  text-align: center;
}
.stage--active { background: var(--color-accent-100); border: 1.5px solid var(--color-border-accent); }
.stage--active .stage__num,
.stage--active .stage__name,
.stage--active .stage__desc { color: var(--color-accent); }
.stage__num { font-size: 12px; color: var(--color-text-tertiary); margin-bottom: 6px; font-weight: var(--fw-medium); }
.stage__name { font-size: 18px; font-weight: var(--fw-semibold); color: var(--color-text-primary); margin-bottom: 6px; }
.stage__desc { font-size: 13px; color: var(--color-text-secondary); line-height: 1.5; }
.stage__arrow { color: var(--color-text-tertiary); display: flex; align-items: center; justify-content: center; font-size: 22px; }

@media (max-width: 767px) {
  .stages { grid-template-columns: 1fr; gap: 8px; }
  .stage__arrow { transform: rotate(90deg); }
}

/* ── Reveal animation ────────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out);
}
.reveal.is-visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: 80ms; }
.reveal-delay-2 { transition-delay: 160ms; }
.reveal-delay-3 { transition-delay: 240ms; }

/* ── Image placeholders (decorative previews) ────────────────────── */
.img-ph {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.45);
  font-size: 12px;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.06);
  overflow: hidden;
  isolation: isolate;
  /* Layered: navy gradient + colored aurora glows + dot grid */
  background:
    radial-gradient(circle 240px at 22% 24%, rgba(30, 90, 230, 0.42), transparent 60%),
    radial-gradient(circle 200px at 82% 82%, rgba(120, 80, 220, 0.32), transparent 60%),
    radial-gradient(circle 160px at 58% 50%, rgba(255, 255, 255, 0.06), transparent 60%),
    linear-gradient(135deg, #0B2545 0%, #133968 55%, #0B2545 100%);
}
/* Dot grid overlay */
.img-ph::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px);
  background-size: 18px 18px;
  z-index: -1;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
}
/* Frosted UI card mockup floating in the center */
.img-ph::before {
  content: "";
  position: absolute;
  top: 18%;
  left: 14%;
  right: 14%;
  bottom: 18%;
  border-radius: 8px;
  background:
    /* Faux content: 3 horizontal bars to suggest UI */
    linear-gradient(180deg,
      rgba(255, 255, 255, 0.10) 0,
      rgba(255, 255, 255, 0.10) 16%,
      transparent 16%, transparent 28%,
      rgba(255, 255, 255, 0.06) 28%, rgba(255, 255, 255, 0.06) 36%,
      transparent 36%, transparent 46%,
      rgba(255, 255, 255, 0.06) 46%, rgba(255, 255, 255, 0.06) 54%,
      transparent 54%, transparent 64%,
      rgba(255, 255, 255, 0.06) 64%, rgba(255, 255, 255, 0.06) 72%,
      transparent 72%, transparent 100%
    ),
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow:
    0 12px 36px rgba(0, 0, 0, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: -1;
  pointer-events: none;
}
/* The caption text becomes a subtle monospace label */
.img-ph > span {
  position: relative;
  z-index: 1;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.7);
  background: rgba(11, 37, 69, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 6px 12px;
  border-radius: 999px;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  max-width: 80%;
}
.img-ph > span small { font-size: 9.5px; opacity: 0.7; }
/* Diagram/architecture spans (containing <strong>) opt out of the pill */
.img-ph > span:has(strong) {
  background: none;
  border: 0;
  padding: 0;
  border-radius: 0;
  font-family: var(--font-sans);
  font-size: 14px;
  letter-spacing: normal;
  color: var(--color-text-primary);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  max-width: none;
}
.img-ph--square { aspect-ratio: 1 / 1; }
.img-ph--tall { aspect-ratio: 3 / 4; }

/* Light variant: airy with brand accent */
.img-ph--gradient {
  border-color: rgba(11, 37, 69, 0.08);
  color: rgba(11, 37, 69, 0.5);
  background:
    radial-gradient(circle 240px at 22% 24%, rgba(30, 90, 230, 0.18), transparent 60%),
    radial-gradient(circle 200px at 82% 82%, rgba(255, 180, 120, 0.14), transparent 60%),
    radial-gradient(circle 160px at 58% 50%, rgba(255, 255, 255, 0.6), transparent 70%),
    linear-gradient(135deg, var(--color-accent-100) 0%, #ffffff 55%, var(--color-bg-tertiary) 100%);
}
.img-ph--gradient::after {
  background-image: radial-gradient(rgba(11, 37, 69, 0.08) 1px, transparent 1px);
}
.img-ph--gradient::before {
  background:
    linear-gradient(180deg,
      rgba(11, 37, 69, 0.08) 0,
      rgba(11, 37, 69, 0.08) 16%,
      transparent 16%, transparent 28%,
      rgba(11, 37, 69, 0.05) 28%, rgba(11, 37, 69, 0.05) 36%,
      transparent 36%, transparent 46%,
      rgba(11, 37, 69, 0.05) 46%, rgba(11, 37, 69, 0.05) 54%,
      transparent 54%, transparent 64%,
      rgba(11, 37, 69, 0.05) 64%, rgba(11, 37, 69, 0.05) 72%,
      transparent 72%, transparent 100%
    ),
    linear-gradient(180deg, rgba(255, 255, 255, 0.7), rgba(255, 255, 255, 0.4));
  border-color: rgba(11, 37, 69, 0.08);
  box-shadow:
    0 12px 36px rgba(11, 37, 69, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.6);
}
.img-ph--gradient > span {
  background: rgba(255, 255, 255, 0.85);
  color: rgba(11, 37, 69, 0.6);
  border-color: rgba(11, 37, 69, 0.08);
}

/* ── Page-scoped placeholders unified with .img-ph aesthetic ─────── */
/* live-card__media (cases hub), insight-card__media (resources hub),
   arch-diagram (saas page) — overridden via descendant specificity. */
.live-card .live-card__media,
.insight-card .insight-card__media {
  position: relative;
  border-radius: 0;
  overflow: hidden;
  isolation: isolate;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.55);
  font-size: 11px;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  background:
    radial-gradient(circle 220px at 22% 24%, rgba(30, 90, 230, 0.42), transparent 60%),
    radial-gradient(circle 180px at 82% 82%, rgba(120, 80, 220, 0.32), transparent 60%),
    linear-gradient(135deg, #0B2545 0%, #133968 55%, #0B2545 100%);
}
.live-card .live-card__media::before,
.insight-card .insight-card__media::before {
  content: "";
  position: absolute;
  top: 18%; left: 14%; right: 14%; bottom: 18%;
  border-radius: 8px;
  background:
    linear-gradient(180deg,
      rgba(255, 255, 255, 0.10) 0,
      rgba(255, 255, 255, 0.10) 16%,
      transparent 16%, transparent 28%,
      rgba(255, 255, 255, 0.06) 28%, rgba(255, 255, 255, 0.06) 36%,
      transparent 36%, transparent 46%,
      rgba(255, 255, 255, 0.06) 46%, rgba(255, 255, 255, 0.06) 54%,
      transparent 54%, transparent 64%,
      rgba(255, 255, 255, 0.06) 64%, rgba(255, 255, 255, 0.06) 72%,
      transparent 72%, transparent 100%
    ),
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow:
    0 12px 36px rgba(0, 0, 0, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
  z-index: -1;
}
.live-card .live-card__media::after,
.insight-card .insight-card__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px);
  background-size: 18px 18px;
  z-index: -1;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
}

/* arch-diagram (saas page) — keeps light treatment matching --gradient */
.detail .arch-diagram {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  isolation: isolate;
  min-height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: rgba(11, 37, 69, 0.55);
  border: 1px solid rgba(11, 37, 69, 0.08);
  box-shadow: 0 10px 30px rgba(11, 37, 69, 0.08);
  background:
    radial-gradient(circle 220px at 22% 24%, rgba(30, 90, 230, 0.18), transparent 60%),
    radial-gradient(circle 180px at 82% 82%, rgba(255, 180, 120, 0.14), transparent 60%),
    linear-gradient(135deg, var(--color-accent-100) 0%, #ffffff 55%, var(--color-bg-tertiary) 100%);
}
.detail .arch-diagram > span {
  position: relative;
  z-index: 1;
  background: rgba(255, 255, 255, 0.8);
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(11, 37, 69, 0.08);
  letter-spacing: 0.04em;
  max-width: 80%;
}
.detail .arch-diagram > span small { font-size: 9.5px; opacity: 0.7; }

/* SaaS 옵션 비주얼 — 깔끔한 아이콘 카드 (목업 대체) */
.opt-visual { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 20px; text-align: center; padding: 20px; font-family: var(--font-sans); }
.opt-visual__icon { width: 88px; height: 88px; border-radius: 24px; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--color-accent) 0%, #0B2545 100%); color: #fff; box-shadow: 0 16px 34px rgba(30, 90, 230, 0.30); }
.opt-visual__icon svg { width: 42px; height: 42px; }
.opt-visual__name { font-family: var(--font-display); font-size: 23px; font-weight: 700; color: var(--color-text-primary); letter-spacing: -0.01em; }
.opt-visual__tags { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; max-width: 320px; }
.opt-visual__tags span { font-size: 12.5px; font-weight: 600; color: var(--color-accent); background: #fff; border: 1px solid var(--color-border-accent); border-radius: 999px; padding: 6px 13px; white-space: nowrap; }

/* ── Real image utility (replaces .img-ph for known assets) ───────── */
.real-img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  object-fit: cover;
  background: var(--color-bg-tertiary);
}
.real-img--16-9 { aspect-ratio: 16 / 9; }
.real-img--16-10 { aspect-ratio: 16 / 10; }
.real-img--4-3 { aspect-ratio: 4 / 3; }
.real-img--shadow { box-shadow: var(--shadow-md); }

/* ── Stat row ────────────────────────────────────────────── */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.stat {
  padding: 32px 24px;
  border-right: 1px solid var(--color-border);
  text-align: left;
}
.stat:last-child { border-right: 0; }
.stat__value {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.6vw, 44px);
  font-weight: var(--fw-semibold);
  letter-spacing: -0.02em;
  color: var(--color-navy);
  line-height: 1.05;
}
.stat__label {
  margin-top: 10px;
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.5;
}
@media (max-width: 1023px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: 0; }
  .stat:nth-child(-n+2) { border-bottom: 1px solid var(--color-border); }
}
@media (max-width: 639px) {
  .stats { grid-template-columns: 1fr; }
  .stat { border-right: 0; border-bottom: 1px solid var(--color-border); }
  .stat:last-child { border-bottom: 0; }
}

/* ── World map (global page) ────────────────────────────────────────────── */
.map-wrap {
  position: relative;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16 / 8;
}
.map-wrap svg { width: 100%; height: 100%; display: block; }
.map-pin {
  fill: var(--color-accent);
  stroke: #fff;
  stroke-width: 1.2;
  filter: drop-shadow(0 2px 4px rgba(11,37,69,0.25));
}
/* 공항 라벨 — 흰색 알약 배경 + 네이비 글씨 → 어떤 배경에서도 또렷 (애니메이션 없음) */
.map-label-bg { fill: #ffffff; fill-opacity: 0.93; }
.map-label {
  font-size: 4px;
  font-weight: 700;
  fill: #0B2545;
  paint-order: stroke;
  stroke: #ffffff;
  stroke-width: 0.3px;
  stroke-linejoin: round;
  text-rendering: geometricPrecision;
}
.map-hq {
  font-size: 3px;
  font-weight: 600;
  fill: #3A4A66;
  paint-order: stroke;
  stroke: #ffffff;
  stroke-width: 0.5px;
  stroke-linejoin: round;
}

/* ── Logo cloud (cases hero) ────────────────────────────────────────────── */
.logo-cloud {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.logo-cloud__cell {
  background: var(--color-bg);
  padding: 28px 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: var(--fw-medium);
  color: var(--color-text-secondary);
  text-align: center;
}
@media (max-width: 1023px) { .logo-cloud { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 639px) { .logo-cloud { grid-template-columns: repeat(2, 1fr); } }

/* ── Pricing card ────────────────────────────────────────────── */
.price {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: var(--fw-semibold);
  color: var(--color-text-primary);
  letter-spacing: -0.01em;
  line-height: 1;
}
.price__unit { font-size: 14px; font-weight: var(--fw-regular); color: var(--color-text-tertiary); margin-left: 4px; }

/* ── Timeline (company milestones) ────────────────────────────────────────────── */
.timeline { display: grid; gap: 24px; position: relative; padding-left: 24px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: var(--color-border);
}
.timeline__item { position: relative; padding-left: 12px; }
.timeline__item::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 8px;
  width: 11px;
  height: 11px;
  background: var(--color-bg);
  border: 2px solid var(--color-accent);
  border-radius: 50%;
}
.timeline__year {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: var(--fw-semibold);
  color: var(--color-accent);
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}
.timeline__title { font-size: 16px; font-weight: var(--fw-semibold); color: var(--color-text-primary); margin-bottom: 4px; }
.timeline__desc { font-size: 14px; color: var(--color-text-secondary); line-height: var(--lh-relaxed); }

/* ── CTA banner ────────────────────────────────────────────── */
.cta-banner {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-700) 100%);
  color: #fff;
  border-radius: var(--radius-xl);
  padding: clamp(48px, 6vw, 80px);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(30,90,230,0.35), transparent 55%);
}
.cta-banner > * { position: relative; }
.cta-banner h2 { color: #fff; font-size: var(--fs-h2); margin-bottom: 14px; text-wrap: balance; }
.cta-banner p { color: rgba(255,255,255,0.78); font-size: 17px; margin-bottom: 32px; }
.cta-banner .btn-primary { background: #fff; color: var(--color-navy); }
.cta-banner .btn-primary:hover { background: rgba(255,255,255,0.9); color: var(--color-navy); }
.cta-banner .btn-secondary { background: transparent; color: #fff; border-color: rgba(255,255,255,0.4); }
.cta-banner .btn-secondary:hover { border-color: #fff; color: #fff; }

/* ── Featured case (large card) ────────────────────────────────────────────── */
.featured {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 56px;
  padding: 48px;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-xl);
  align-items: center;
}
@media (max-width: 1023px) {
  .featured { grid-template-columns: 1fr; gap: 32px; padding: 32px; }
}

/* ── Two-up (image + text) ────────────────────────────────────────────── */
.two-up { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.two-up--reverse > :first-child { order: 2; }
@media (max-width: 1023px) {
  .two-up { grid-template-columns: 1fr; gap: 32px; }
  .two-up--reverse > :first-child { order: 0; }
}

/* ── Tab list ────────────────────────────────────────────── */
.tablist {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--color-border);
  overflow-x: auto;
  margin-bottom: 32px;
}
.tablist button {
  padding: 14px 18px;
  font-size: 14px;
  font-weight: var(--fw-medium);
  color: var(--color-text-secondary);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}
.tablist button[aria-selected="true"] {
  color: var(--color-text-primary);
  border-bottom-color: var(--color-accent);
}