/* ============================================================
   국제 대회(international) 섹션 공용 스타일
   ============================================================ */
.ic-heading-underline {
  font-size: 22px; font-weight: 800; color: var(--ink); margin: 0 0 10px;
  border-bottom: 3px solid var(--blue); padding-bottom: 10px; width: fit-content;
}
@media (min-width: 768px) { .ic-heading-underline { font-size: 28px; } }

/* ---- 3-1 개요 ---- */
.ic-intro { max-width: var(--container-max); margin: 0 auto; padding: 40px var(--container-pad); }
@media (min-width: 768px) { .ic-intro { padding: 80px var(--container-pad); } }
.ic-intro__text { font-size: 14.5px; line-height: 1.8; color: var(--ink-soft); margin: 20px 0 40px; max-width: 780px; }
@media (min-width: 768px) { .ic-intro__text { font-size: 16px; } }
.ic-intro__media { display: grid; grid-template-columns: 1fr; gap: 20px; align-items: stretch; }
@media (min-width: 1080px) { .ic-intro__media { grid-template-columns: 0.8fr 1.2fr; gap: 32px; } }
.ic-intro__photo { width: 100%; aspect-ratio: 4/3; }
@media (min-width: 1080px) { .ic-intro__photo { aspect-ratio: auto; min-height: 360px; } }
.ic-next {
  margin-top: 32px; display: flex; flex-direction: column; gap: 12px;
  padding: 28px 24px; border: 1px solid var(--hair); border-left: 6px solid var(--amber);
  background: var(--paper); border-radius: 6px;
}
@media (min-width: 768px) {
  .ic-next { padding: 40px 48px; gap: 16px; }
}
.ic-next__label {
  font-size: 13px; font-weight: 700; color: var(--blue); letter-spacing: 0.03em;
}
@media (min-width: 768px) { .ic-next__label { font-size: 14px; } }
.ic-next__body { display: flex; flex-direction: column; gap: 9px; }
@media (min-width: 768px) { .ic-next__body { gap: 11px; } }
.ic-next__title { font-size: 18.5px; font-weight: 800; color: var(--ink); line-height: 1.4; }
@media (min-width: 768px) { .ic-next__title { font-size: 24px; } }
.ic-next__date, .ic-next__place { font-size: 14.5px; color: var(--ink-soft); }
@media (min-width: 768px) { .ic-next__date, .ic-next__place { font-size: 16px; } }
.ic-video {
  width: 100%; aspect-ratio: 16/9; background: oklch(15% 0.01 260); border-radius: 4px;
  overflow: hidden;
}
.ic-video__iframe { width: 100%; height: 100%; border: 0; display: block; }

/* ---- 3-2 process nav + steps ---- */
.ic-process-intro { max-width: var(--container-max); margin: 0 auto; padding: 40px var(--container-pad); text-align: center; }
@media (min-width: 768px) { .ic-process-intro { padding: 80px var(--container-pad); } }
.ic-process-intro__heading { font-size: 22px; font-weight: 800; color: var(--ink); margin: 0 0 16px; }
@media (min-width: 768px) { .ic-process-intro__heading { font-size: 28px; } }
.ic-process-intro__body { font-size: 14.5px; line-height: 1.8; color: var(--ink-soft); margin: 0 auto 44px; max-width: 760px; }
@media (min-width: 768px) { .ic-process-intro__body { font-size: 15.5px; } }
.ic-process-nav { display: flex; flex-direction: column; align-items: center; justify-content: center; flex-wrap: wrap; gap: 4px; }
@media (min-width: 768px) { .ic-process-nav { flex-direction: row; gap: 0; } }
.ic-process-nav__item { display: flex; align-items: center; gap: 4px; }
@media (min-width: 768px) { .ic-process-nav__item { gap: 10px; } }
.ic-process-nav__block { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 10px 16px; min-width: auto; }
@media (min-width: 768px) { .ic-process-nav__block { padding: 4px 8px; min-width: 96px; } }
.ic-process-nav__num { font-size: 12px; font-weight: 800; color: var(--blue); }
.ic-process-nav__label { font-size: 13.5px; font-weight: 700; color: var(--ink); text-align: center; }
@media (min-width: 768px) { .ic-process-nav__label { font-size: 12px; } }
.ic-process-nav__arrow { font-size: 16px; color: oklch(75% 0.02 260); transform: rotate(90deg); }
@media (min-width: 768px) { .ic-process-nav__arrow { transform: none; } }

.ic-step-pair { background: var(--surface-soft); padding: 40px var(--container-pad); }
@media (min-width: 768px) { .ic-step-pair { padding: 72px var(--container-pad); } }
.ic-step-pair__grid { max-width: var(--container-max); margin: 0 auto; display: grid; grid-template-columns: 1fr; gap: 24px; }
@media (min-width: 1080px) { .ic-step-pair__grid { grid-template-columns: repeat(2,1fr); gap: 28px; } }
.ic-step-box { background: var(--paper); border: 1px solid var(--hair); border-radius: 6px; padding: 28px 24px; display: flex; flex-direction: column; gap: 12px; }
@media (min-width: 768px) { .ic-step-box { padding: 36px; } }
.ic-step-num { font-size: 15px; font-weight: 800; color: var(--blue); letter-spacing: 0.05em; }
.ic-step-title { font-size: 19px; font-weight: 800; color: var(--ink); margin: 0; }
@media (min-width: 768px) { .ic-step-title { font-size: 21px; } }
.ic-step-body { font-size: 14px; line-height: 1.8; color: var(--ink-soft); margin: 0; }
@media (min-width: 768px) { .ic-step-body { font-size: 14.5px; } }
.ic-mini-info-row { display: flex; flex-direction: column; gap: 10px; margin-top: 8px; padding-top: 16px; border-top: 1px solid var(--hair); }
@media (min-width: 768px) { .ic-mini-info-row { flex-direction: row; gap: 24px; } }
.ic-mini-info-label { font-size: 11px; font-weight: 700; color: oklch(60% 0.02 260); text-transform: uppercase; letter-spacing: 0.05em; display: block; }
.ic-mini-info-value { font-size: 13.5px; font-weight: 700; color: var(--ink); display: block; }
.ic-team-row { display: flex; align-items: center; gap: 10px; margin-top: 8px; padding-top: 16px; border-top: 1px solid var(--hair); }
.ic-team-dot { width: 20px; height: 20px; border-radius: 50%; background: var(--blue); }
.ic-team-label { font-size: 13px; font-weight: 700; color: var(--ink); margin-left: 6px; }

.ic-step-alt { max-width: 1000px; margin: 0 auto; padding: 40px var(--container-pad); text-align: center; }
@media (min-width: 768px) { .ic-step-alt { padding: 72px var(--container-pad); } }
.ic-step-alt__grid { display: grid; grid-template-columns: 1fr; gap: 28px; align-items: center; text-align: left; }
@media (min-width: 1080px) { .ic-step-alt__grid { grid-template-columns: 1.2fr 1fr; gap: 48px; } }
.ic-before-after { display: flex; align-items: center; justify-content: center; gap: 12px; }
@media (min-width: 768px) { .ic-before-after { gap: 20px; } }
.ic-before-after__item { background: var(--surface-soft); border: 1px solid var(--hair); border-radius: 6px; padding: 20px 24px; text-align: center; flex: 1; max-width: 160px; }
.ic-before-after__label { font-size: 15px; font-weight: 800; color: var(--blue); }
.ic-before-after__desc { font-size: 12.5px; color: var(--ink-soft); margin-top: 4px; }
.ic-before-after__arrow { font-size: 18px; color: oklch(75% 0.02 260); }

.ic-num-center { font-size: 15px; font-weight: 800; color: var(--blue); letter-spacing: 0.05em; display: block; margin-bottom: 10px; }
.ic-title-center { font-size: 20px; font-weight: 800; color: var(--ink); margin: 0 0 16px; }
@media (min-width: 768px) { .ic-title-center { font-size: 24px; } }
.ic-title-center__en { font-size: 13px; font-weight: 600; color: var(--ink-soft); margin-left: 10px; }
.ic-body-center { font-size: 14px; line-height: 1.85; color: var(--ink-soft); margin: 0 auto 16px; max-width: 740px; }
@media (min-width: 768px) { .ic-body-center { font-size: 15px; } }
.ic-subhead-center { font-size: 15px; font-weight: 700; color: var(--ink); margin: 0 auto 20px; max-width: 700px; line-height: 1.6; }
@media (min-width: 768px) { .ic-subhead-center { font-size: 16.5px; } }

.ic-flow-row { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; margin-top: 28px; }
@media (min-width: 768px) { .ic-flow-row { flex-direction: row; gap: 4px; } }
.ic-flow-item { display: flex; align-items: center; gap: 8px; }
@media (min-width: 768px) { .ic-flow-item { gap: 10px; } }
.ic-flow-node { background: var(--paper); border: 1px solid var(--hair); border-radius: 20px; padding: 10px 20px; font-size: 13px; font-weight: 700; color: var(--ink); white-space: nowrap; }
.ic-flow-arrow { font-size: 16px; color: oklch(75% 0.02 260); transform: rotate(90deg); }
@media (min-width: 768px) { .ic-flow-arrow { transform: none; } }

.ic-step-photo { background: var(--surface-soft); padding: 40px var(--container-pad); }
@media (min-width: 768px) { .ic-step-photo { padding: 72px var(--container-pad); } }
.ic-step-photo__grid { max-width: var(--container-max); margin: 0 auto; display: grid; grid-template-columns: 1fr; gap: 24px; align-items: center; }
@media (min-width: 1080px) { .ic-step-photo__grid { grid-template-columns: 0.9fr 1.1fr; gap: 48px; } }
.ic-step-photo__text { display: flex; flex-direction: column; gap: 12px; text-align: left; }
.ic-step-photo__img { width: 100%; aspect-ratio: 4/3; }
@media (min-width: 1080px) { .ic-step-photo__img { aspect-ratio: 16/10; min-height: 360px; } }

.ic-document-grid { display: grid; grid-template-columns: 1fr; gap: 20px; margin-top: 36px; }
@media (min-width: 768px) { .ic-document-grid { grid-template-columns: repeat(3,1fr); } }
.ic-document-card { display: flex; flex-direction: column; align-items: center; gap: 12px; }
.ic-document-frame {
  width: 100%; aspect-ratio: 3/4; border: 1px solid var(--hair); border-radius: 6px; background: var(--paper);
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.ic-document-img { width: 100%; height: 100%; object-fit: contain; }
.ic-document-label { font-size: 12.5px; font-weight: 700; color: var(--ink-soft); text-align: center; }

.ic-cta { background: var(--blue-deep); padding: 48px 20px; display: flex; flex-direction: column; align-items: center; gap: 16px; text-align: center; }
@media (min-width: 768px) { .ic-cta { padding: 80px; } }
.ic-cta__heading { font-size: 19px; font-weight: 800; color: var(--paper); margin: 0; max-width: 640px; }
@media (min-width: 768px) { .ic-cta__heading { font-size: 24px; } }
.ic-cta__sub { font-size: 14px; color: oklch(82% 0.02 255); margin: 0; max-width: 560px; }
.ic-cta__btn { display: inline-block; margin-top: 8px; background: var(--coral); color: var(--paper); font-size: 15px; font-weight: 700; padding: 15px 32px; border-radius: 4px; }

/* ---- 3-3 한국의 국제대회 참여 ---- */
.ic-hero { max-width: var(--container-max); margin: 0 auto; padding: 40px var(--container-pad); display: grid; grid-template-columns: 1fr; gap: 24px; align-items: center; }
@media (min-width: 768px) { .ic-hero { padding: 80px var(--container-pad); } }
@media (min-width: 1080px) { .ic-hero { grid-template-columns: 1fr 1fr; gap: 48px; } }
.ic-hero__text { display: flex; flex-direction: column; gap: 16px; }
.ic-hero__heading { font-size: 22px; font-weight: 800; color: var(--ink); line-height: 1.4; }
@media (min-width: 768px) { .ic-hero__heading { font-size: 28px; } }
.ic-hero__body { font-size: 14.5px; line-height: 1.8; color: var(--ink-soft); }
@media (min-width: 768px) { .ic-hero__body { font-size: 15.5px; } }
.ic-hero__keyword { font-size: 13px; font-weight: 700; color: var(--blue); letter-spacing: 0.02em; }
.ic-hero__photo { width: 100%; aspect-ratio: 4/3; }
@media (min-width: 1080px) { .ic-hero__photo { min-height: 360px; } }

.ic-alt { max-width: 1100px; margin: 0 auto; padding: 40px var(--container-pad); text-align: center; }
@media (min-width: 768px) { .ic-alt { padding: 72px var(--container-pad); } }
.ic-alt--gray { background: var(--surface-soft); max-width: none; }
.ic-alt--gray > * { max-width: 1100px; margin-left: auto; margin-right: auto; }

.ic-photo-grid-3 { max-width: 1100px; margin: 0 auto; display: grid; grid-template-columns: 1fr; gap: 16px; }
@media (min-width: 768px) { .ic-photo-grid-3 { grid-template-columns: repeat(3,1fr); } }
.ic-photo-grid-2 { max-width: 1100px; margin: 0 auto; display: grid; grid-template-columns: 1fr; gap: 16px; }
@media (min-width: 768px) { .ic-photo-grid-2 { grid-template-columns: repeat(2,1fr); } }
.ic-grid-photo { width: 100%; aspect-ratio: 4/3; }
.ic-grid-photo--wide { aspect-ratio: 16/10; }

.ic-competition-grid { max-width: 1100px; margin: 0 auto; display: grid; grid-template-columns: 1fr; gap: 28px; text-align: left; }
@media (min-width: 1080px) { .ic-competition-grid { grid-template-columns: repeat(2,1fr); gap: 36px; } }
.ic-competition-block { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.ic-competition-title-row { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.ic-competition-title { font-size: 18px; font-weight: 800; color: var(--ink); }
.ic-competition-en { font-size: 13px; color: var(--ink-soft); }
.ic-competition-desc { font-size: 13.5px; line-height: 1.75; color: var(--ink-soft); margin: 0; }
.ic-competition-photo { width: 100%; aspect-ratio: 16/10; }

.ic-exchange-grid { max-width: 1100px; margin: 0 auto; display: grid; grid-template-columns: 1fr; gap: 24px; text-align: left; }
@media (min-width: 768px) { .ic-exchange-grid { grid-template-columns: repeat(3,1fr); } }
.ic-exchange-card { display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.ic-exchange-photo { width: 100%; aspect-ratio: 4/3; }
.ic-exchange-title { font-size: 15.5px; font-weight: 800; color: var(--ink); }
.ic-exchange-desc { font-size: 13px; line-height: 1.65; color: var(--ink-soft); }

.ic-history { max-width: 1100px; margin: 0 auto; padding: 40px var(--container-pad); text-align: center; }
@media (min-width: 768px) { .ic-history { padding: 72px var(--container-pad); } }
.ic-archive-list { display: flex; flex-direction: column; gap: 32px; text-align: left; margin-top: 8px; }
@media (min-width: 768px) { .ic-archive-list { gap: 0; } }
.ic-archive-row {
  display: grid; grid-template-columns: 1fr; gap: 16px; padding: 0 0 28px; border-top: 1px solid var(--hair); align-items: center;
}
@media (min-width: 768px) { .ic-archive-row { gap: 28px; padding: 32px 0; } }
@media (min-width: 1080px) { .ic-archive-row { grid-template-columns: 0.9fr 1.6fr 1.2fr; } }
.ic-archive-year-col { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.ic-archive-year { font-size: 20px; font-weight: 800; color: var(--blue); }
@media (min-width: 768px) { .ic-archive-year { font-size: 24px; } }
.ic-archive-badge { font-size: 12.5px; font-weight: 700; color: var(--paper); background: var(--coral); padding: 4px 12px; border-radius: 20px; }
.ic-archive-detail { display: flex; flex-direction: column; gap: 6px; }
.ic-archive-meta-row { display: flex; gap: 10px; font-size: 13px; line-height: 1.6; }
.ic-archive-meta-label { font-weight: 700; color: oklch(60% 0.02 260); min-width: 84px; }
.ic-archive-meta-value { color: var(--ink); }
.ic-archive-photo { width: 100%; aspect-ratio: 4/3; }

.ic-closing { background: var(--blue-deep); padding: 48px 20px; display: flex; flex-direction: column; align-items: center; gap: 16px; text-align: center; }
@media (min-width: 768px) { .ic-closing { padding: 80px; } }
.ic-closing__heading { font-size: 19px; font-weight: 800; color: var(--paper); margin: 0; max-width: 680px; }
@media (min-width: 768px) { .ic-closing__heading { font-size: 24px; } }
.ic-closing__body { font-size: 14.5px; line-height: 1.8; color: oklch(85% 0.02 255); margin: 0; max-width: 640px; }