/* ============================================================
   Main Page Sections — KNVF Homepage
   ============================================================ */

/* ── 1. Hero Slider — Premium Photo Edition ── */
.hero {
  position: relative;
  overflow: hidden;
  /* 헤더 높이 제외하고 정확히 한 화면 (레퍼런스 매칭) */
  height: calc(100vh - var(--header-height));
  min-height: 580px;
  max-height: 880px;
  /* hero__content가 빠른메뉴와 안 겹치도록 콘텐츠 영역 위로 살짝 올림 */
  padding-bottom: 0;
  --match-x: 0px;
  --match-y: 0px;
}
.hero__content { padding-bottom: 100px; }
@media (max-width: 768px) {
  .hero {
    height: calc(100vh - var(--header-height-mobile));
    min-height: 520px;
  }
}

.hero__slider {
  position: relative;
  width: 100%;
  height: 100%;
}

.hero__track {
  display: flex;
  height: 100%;
  transition: transform 0.8s cubic-bezier(0.65, 0, 0.35, 1);
}

.hero__slide {
  min-width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  position: relative;
  background-size: cover;
  background-position: center 35%;
  background-repeat: no-repeat;
}

/* 활성 슬라이드 미세 ken-burns (천천히 줌인) */
.hero__slide--active {
  animation: heroKenBurns 12s ease-out forwards;
}
@keyframes heroKenBurns {
  from { background-size: 105%; }
  to   { background-size: 115%; }
}

/* 다크 오버레이 + 좌하단 빨강 글로우 */
.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 0% 100%, rgba(208, 2, 27, 0.22) 0%, transparent 50%),
    radial-gradient(circle at 100% 0%, rgba(0, 43, 91, 0.55) 0%, transparent 60%),
    linear-gradient(180deg, rgba(0, 27, 61, 0.5) 0%, rgba(0, 27, 61, 0.85) 100%);
  pointer-events: none;
  z-index: 1;
}

.hero__match-lines {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  overflow: hidden;
  transform: translate3d(var(--match-x), var(--match-y), 0);
  transition: transform 280ms ease-out;
}

.hero__match-lines::before,
.hero__match-lines::after {
  content: '';
  position: absolute;
  left: 8%;
  right: 8%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.55), transparent);
  opacity: 0.48;
}

.hero__match-lines::before {
  top: 28%;
  transform: skewY(-9deg);
}

.hero__match-lines::after {
  bottom: 31%;
  transform: skewY(8deg);
}

.hero__match-lines span {
  position: absolute;
  width: 36%;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.72) 50%, transparent 100%);
  opacity: 0;
  transform: translateX(-140%) skewX(-22deg);
  animation: matchLineRush 4.8s ease-in-out infinite;
}

.hero__match-lines span:nth-child(1) { top: 20%; left: 10%; }
.hero__match-lines span:nth-child(2) { top: 58%; left: 28%; animation-delay: 1.2s; }
.hero__match-lines span:nth-child(3) { top: 74%; left: 48%; animation-delay: 2.4s; }

@keyframes matchLineRush {
  0%, 45% { opacity: 0; transform: translateX(-140%) skewX(-22deg); }
  55% { opacity: 0.85; }
  72% { opacity: 0; transform: translateX(190%) skewX(-22deg); }
  100% { opacity: 0; transform: translateX(190%) skewX(-22deg); }
}

.hero__content {
  position: relative;
  z-index: 2;
  color: var(--knvf-white);
  padding-bottom: 60px;  /* dot indicator 위 여백 */
  text-align: center;
  transform: translate3d(calc(var(--match-x) * -0.35), calc(var(--match-y) * -0.35), 0);
  transition: transform 280ms ease-out;
}

/* 영문/한국어 라벨 — 작은 자간 큰 글자 */
.hero__label {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.32em;
  color: rgba(255, 255, 255, 0.85);
  padding: 6px 14px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 999px;
  margin-bottom: 28px;
  text-transform: uppercase;
  backdrop-filter: blur(8px);
  background: rgba(255, 255, 255, 0.06);
}

.hero__title {
  font-size: clamp(36px, 5.6vw, 72px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: 0;
  color: var(--knvf-white);
  margin: 0 0 24px;
  text-shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
}

.hero__slide--active .hero__label,
.hero__slide--active .hero__title,
.hero__slide--active .hero__subtitle,
.hero__slide--active .hero__actions {
  animation: heroMatchIntro 720ms var(--md-sys-motion-easing-emphasized) both;
}

.hero__slide--active .hero__title { animation-delay: 90ms; }
.hero__slide--active .hero__subtitle { animation-delay: 180ms; }
.hero__slide--active .hero__actions { animation-delay: 270ms; }

@keyframes heroMatchIntro {
  from {
    opacity: 0;
    transform: translateY(22px) scale(0.985);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.hero__subtitle {
  font-size: clamp(15px, 1.4vw, 19px);
  font-weight: 400;
  color: rgba(255, 255, 255, 0.92);
  margin: 0 auto 40px;
  max-width: 640px;
  line-height: 1.6;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
}

.hero__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

/* 빨강 primary 버튼 강조 */
.hero .btn--secondary {
  background: linear-gradient(135deg, var(--knvf-red) 0%, var(--knvf-red-dark) 100%);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 8px 24px rgba(208, 2, 27, 0.35);
  border: none;
}
.hero .btn--secondary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(208, 2, 27, 0.45);
}

/* 흰색 outlined 버튼 */
.hero__btn-outlined {
  color: #fff !important;
  border: 1.5px solid rgba(255, 255, 255, 0.6) !important;
  background: rgba(255, 255, 255, 0.05) !important;
  backdrop-filter: blur(6px);
  font-weight: 600;
  transition: all 0.2s ease;
}
.hero__btn-outlined:hover {
  background: rgba(255, 255, 255, 0.15) !important;
  border-color: #fff !important;
  transform: translateY(-2px);
}

@media (max-width: 768px) {
  .hero__title { font-size: clamp(28px, 7vw, 44px); }
  .hero__label { font-size: 10px; padding: 5px 12px; margin-bottom: 20px; }
  .hero__subtitle { font-size: 14px; margin-bottom: 28px; }
  .hero__content { padding-bottom: 210px; }
  .hero__content {
    transform: translate3d(calc(var(--match-x) * -0.35), calc(var(--match-y) * -0.35 - 38px), 0);
  }
  .hero__actions .btn { padding-inline: 18px; }
  .hero__actions .hero__btn-outlined { display: none; }
}

.hero__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  width: 48px;
  height: 48px;
  background: rgba(255,255,255,0.2);
  backdrop-filter: blur(4px);
  border-radius: var(--md-sys-shape-full);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--md-sys-motion-duration-short) var(--md-sys-motion-easing-standard);
}

.hero__arrow:hover {
  background: rgba(255,255,255,0.35);
}

.hero__arrow--prev { left: var(--space-md); }
.hero__arrow--next { right: var(--space-md); }

.hero__dots {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--space-sm);
  z-index: 2;
}

.hero__dot {
  width: 12px;
  height: 12px;
  border-radius: var(--md-sys-shape-full);
  background: rgba(255,255,255,0.4);
  border: none;
  cursor: pointer;
  transition: all var(--md-sys-motion-duration-short) var(--md-sys-motion-easing-standard);
}

.hero__dot--active {
  background: var(--knvf-white);
  width: 32px;
}

/* ── 2. Quick Menu — hero 안에 absolute로 floating (사진 위) ── */
.hero__dots { bottom: 125px !important; } /* dots를 빠른메뉴 위로 이동 */

@media (max-width: 768px) {
  .hero__dots { display: none !important; }
}

.quick-menu {
  position: absolute;
  bottom: 17px;                        /* 사진 하단에서 약 0.5cm 위 */
  left: 0;
  right: 0;
  z-index: 4;
  background: transparent;             /* 진짜 투명 — 사진이 그대로 보임 */
  /* 메뉴 주변 미세 그라디언트 (가독성용, 모서리만) */
  background-image: linear-gradient(180deg,
    rgba(0, 27, 61, 0)    0%,
    rgba(0, 27, 61, 0.25) 50%,
    rgba(0, 27, 61, 0)    100%);
  pointer-events: none;
  padding: 0;
  margin: 0;
}

.quick-menu__grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0;
  background: transparent;
  padding: 18px var(--space-md);
  border-radius: 0;
  box-shadow: none;
  max-width: var(--max-width);
  margin: 0 auto;
  pointer-events: auto;
}
@media (max-width: 768px) {
  .quick-menu__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 12px 0;
    padding: 18px var(--space-sm);
  }
}
@media (max-width: 480px) {
  .quick-menu__grid { grid-template-columns: repeat(3, 1fr); }
}

.quick-menu__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  padding: 6px 0;
  border-radius: 12px;
  transition: background 0.2s ease, transform 0.2s ease;
}
.quick-menu__item:hover {
  background: rgba(255,255,255,0.1);
  transform: translateY(-6px);
}

.quick-menu__icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: transparent;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, color 0.2s ease;
  /* 사진 위 가독성을 위한 미세 drop-shadow */
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.4));
}

.quick-menu__item:hover .quick-menu__icon {
  background: rgba(208, 2, 27, 0.25);
  color: #fff;
  animation: quickIconPop 520ms var(--md-sys-motion-easing-emphasized);
}

@keyframes quickIconPop {
  0% { transform: translateY(0) scale(1); }
  40% { transform: translateY(-5px) scale(1.08); }
  100% { transform: translateY(0) scale(1); }
}

.quick-menu__icon .material-symbols-outlined {
  font-size: 26px;
  font-variation-settings: 'wght' 400, 'FILL' 0;
}

.quick-menu__label {
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  letter-spacing: -0.01em;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.45);
}
.quick-menu__item:hover .quick-menu__label {
  color: #fff;
}

/* ── 3. News / Announcements ── */
.news__list {
  margin-top: var(--space-md);
}

.news__item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
  transition: background var(--md-sys-motion-duration-short) var(--md-sys-motion-easing-standard);
}

.news__item:hover {
  background: rgba(0, 43, 91, 0.04);
  padding-left: var(--space-sm);
  margin-left: calc(-1 * var(--space-sm));
}

.news__date {
  font: var(--md-sys-typescale-label-medium);
  color: var(--md-sys-color-on-surface-variant);
  white-space: nowrap;
  min-width: 90px;
}

.news__title {
  flex: 1;
  font: var(--md-sys-typescale-body-large);
  color: var(--md-sys-color-on-surface);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.news__title:hover {
  color: var(--md-sys-color-primary);
}

.news__more {
  text-align: right;
  margin-top: var(--space-md);
}

/* ── 4. Competitions ── */
.competition-card__header {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-md) 0;
}

.competition-card {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  transition: transform 260ms var(--md-sys-motion-easing-standard),
              box-shadow 260ms var(--md-sys-motion-easing-standard);
}

.competition-card::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(110deg, transparent 0%, transparent 42%, rgba(208,2,27,0.13) 43%, transparent 56%),
    linear-gradient(180deg, rgba(0,43,91,0.03), transparent);
  transform: translateX(-80%);
  opacity: 0;
  transition: transform 420ms var(--md-sys-motion-easing-emphasized),
              opacity 220ms ease;
}

.competition-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--md-sys-elevation-5);
}

.competition-card:hover::before {
  transform: translateX(42%);
  opacity: 1;
}

.competition-card[data-status="live"] {
  border: 1px solid rgba(208, 2, 27, 0.28);
}

.competition-card[data-status="live"] .badge--live {
  position: relative;
  padding-left: 22px;
}

.competition-card[data-status="live"] .badge--live::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 50%;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  transform: translateY(-50%);
  animation: livePulse 1.2s ease-in-out infinite;
}

@keyframes livePulse {
  0%, 100% { opacity: 0.4; box-shadow: 0 0 0 0 rgba(208,2,27,0.35); }
  50% { opacity: 1; box-shadow: 0 0 0 6px rgba(208,2,27,0); }
}

.competition-card__meta {
  margin-top: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.competition-card__meta p {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font: var(--md-sys-typescale-body-medium);
  color: var(--md-sys-color-on-surface-variant);
}

.competition-card__meta .material-symbols-outlined {
  font-size: 18px;
  color: var(--md-sys-color-outline);
}

/* ── 5. Stats ── */
.stats {
  background:
    linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(180deg, rgba(255,255,255,0.04) 1px, transparent 1px),
    var(--knvf-navy);
  background-size: 32px 32px;
  color: var(--knvf-white);
  padding: var(--space-3xl) 0;
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  text-align: center;
}

.stats__item {
  padding: var(--space-lg);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: var(--md-sys-shape-sm);
  background: rgba(0, 27, 61, 0.56);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.04);
  position: relative;
  overflow: hidden;
}

.stats__item::before {
  content: '';
  position: absolute;
  left: 18px;
  right: 18px;
  top: 12px;
  height: 2px;
  background: var(--knvf-red);
  transform: scaleX(0.28);
  transform-origin: left;
  transition: transform 260ms ease;
}

.stats__item:hover::before {
  transform: scaleX(1);
}

.stats__number {
  font-size: 3rem;
  font-weight: 700;
  display: inline;
  line-height: 1;
  color: var(--knvf-gold);
  font-variant-numeric: tabular-nums;
  text-shadow: 0 0 14px rgba(255, 214, 0, 0.28);
}

.stats__unit {
  font-size: 1.5rem;
  font-weight: 600;
  opacity: 0.8;
}

.stats__label {
  display: block;
  margin-top: var(--space-sm);
  font: var(--md-sys-typescale-body-large);
  opacity: 0.9;
}

/* ── 6. Gallery ── */
.gallery__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 200px;
  gap: var(--space-md);
}

.gallery__item {
  border-radius: var(--md-sys-shape-md);
  overflow: hidden;
  cursor: pointer;
  position: relative;
  transition: transform var(--md-sys-motion-duration-medium) var(--md-sys-motion-easing-standard);
}

.gallery__item:hover {
  transform: scale(1.035) translateY(-3px);
  z-index: 1;
}

.gallery__item::after {
  content: 'MATCHDAY';
  position: absolute;
  left: 14px;
  bottom: 14px;
  padding: 4px 8px;
  border-radius: var(--md-sys-shape-xs);
  background: rgba(0, 27, 61, 0.76);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 220ms ease, transform 220ms ease;
}

.gallery__item:hover::after {
  opacity: 1;
  transform: translateY(0);
}

.gallery__item--wide {
  grid-column: span 2;
}

.gallery__placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.8);
  gap: var(--space-sm);
}

.gallery__item:hover .gallery__placeholder {
  transform: translateY(-6px);
}

.gallery__placeholder {
  transition: transform 260ms var(--md-sys-motion-easing-standard);
}

.gallery__placeholder .material-symbols-outlined {
  font-size: 48px;
  opacity: 0.6;
}

.gallery__placeholder p {
  font: var(--md-sys-typescale-label-large);
}

/* ── 7. FAQ ── */
.faq__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.faq__item {
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--md-sys-shape-md);
  overflow: hidden;
  transition: border-color var(--md-sys-motion-duration-short) var(--md-sys-motion-easing-standard);
}

.faq__item--open {
  border-color: var(--md-sys-color-primary);
}

.faq__question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) var(--space-lg);
  font: var(--md-sys-typescale-title-medium);
  text-align: left;
  background: var(--md-sys-color-background);
  cursor: pointer;
  transition: background var(--md-sys-motion-duration-short) var(--md-sys-motion-easing-standard);
}

.faq__question:hover {
  background: var(--md-sys-color-surface-variant);
}

.faq__icon {
  transition: transform var(--md-sys-motion-duration-medium) var(--md-sys-motion-easing-standard);
}

.faq__item--open .faq__icon {
  transform: rotate(180deg);
}

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--md-sys-motion-duration-medium) var(--md-sys-motion-easing-standard),
              padding var(--md-sys-motion-duration-medium) var(--md-sys-motion-easing-standard);
}

.faq__item--open .faq__answer {
  max-height: 300px;
  padding: 0 var(--space-lg) var(--space-lg);
}

.faq__answer p {
  font: var(--md-sys-typescale-body-large);
  color: var(--md-sys-color-on-surface-variant);
  line-height: 1.7;
}

/* ── 8. Partners / Sponsors — Logo Wall ── */
.sponsors-wall {
  display: flex;
  flex-direction: column;
  gap: 40px;
}
.sponsors-wall__loading,
.sponsors-wall__empty {
  text-align: center;
  padding: 48px 24px;
  color: var(--md-sys-color-outline);
  font-size: 14px;
}

.sponsors-wall__group { }

.sponsors-wall__tier-label {
  text-align: center;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.28em;
  color: var(--knvf-red);
  margin-bottom: 20px;
  text-transform: uppercase;
}
.sponsors-wall__group--title .sponsors-wall__tier-label { color: var(--knvf-red-dark); }
.sponsors-wall__group--gold  .sponsors-wall__tier-label { color: #B8860B; }
.sponsors-wall__group--silver .sponsors-wall__tier-label { color: #6B7684; }
.sponsors-wall__group--partner .sponsors-wall__tier-label { color: var(--knvf-navy); }
.sponsors-wall__group--in-kind .sponsors-wall__tier-label { color: #047857; }

.sponsors-wall__grid {
  display: grid;
  gap: 16px;
}
/* Title — single column big card */
.sponsors-wall__grid--title { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }
/* Gold — 2 columns wide */
.sponsors-wall__grid--gold { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
/* Silver/Partner — 4 columns */
.sponsors-wall__grid--silver,
.sponsors-wall__grid--partner { grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }
/* In-kind — 6 columns compact */
.sponsors-wall__grid--in-kind { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); }

.sponsors-wall__item {
  aspect-ratio: 3 / 2;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px 20px;
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: 14px;
  background: #fff;
  text-decoration: none;
  transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
  position: relative;
}
.sponsors-wall__item img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  filter: grayscale(60%);
  opacity: 0.82;
  transition: filter 0.22s ease, opacity 0.22s ease, transform 0.22s ease;
}
.sponsors-wall__item:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 43, 91, 0.35);
  box-shadow: 0 14px 32px rgba(0, 43, 91, 0.12);
}
.sponsors-wall__item:hover img {
  filter: grayscale(0%);
  opacity: 1;
  transform: scale(1.04);
}

/* Tier-specific accents */
.sponsors-wall__item--title { aspect-ratio: 4 / 1.6; border-width: 2px; border-color: rgba(208, 2, 27, 0.3); }
.sponsors-wall__item--title:hover { border-color: var(--knvf-red); box-shadow: 0 18px 40px rgba(208, 2, 27, 0.18); }
.sponsors-wall__item--gold:hover { border-color: #FFD600; box-shadow: 0 14px 32px rgba(255, 165, 0, 0.18); }

.sponsors-wall__name-fallback {
  font-weight: 600;
  font-size: 14px;
  color: var(--knvf-navy);
  text-align: center;
}

/* ── 9. SNS ── */
.sns__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  max-width: 700px;
  margin: 0 auto;
}

.sns__card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  transition: transform var(--md-sys-motion-duration-medium) var(--md-sys-motion-easing-standard),
              box-shadow var(--md-sys-motion-duration-medium) var(--md-sys-motion-easing-standard);
}

.sns__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--md-sys-elevation-4);
}

.sns__card .card__body {
  padding: 0;
}

.sns__card-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--md-sys-shape-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  flex-shrink: 0;
}

.sns__card-icon .material-symbols-outlined {
  font-size: 32px;
}

/* ── Back to Top ── */
.back-to-top {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  width: 48px;
  height: 48px;
  background: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
  border-radius: var(--md-sys-shape-full);
  box-shadow: var(--md-sys-elevation-3);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: all var(--md-sys-motion-duration-medium) var(--md-sys-motion-easing-standard);
  z-index: var(--z-sticky);
}

.back-to-top--visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--knvf-navy-light);
  box-shadow: var(--md-sys-elevation-4);
}

/* ── Scroll reveal — matchday entrance ── */
.section--animate {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 680ms var(--md-sys-motion-easing-emphasized),
              transform 680ms var(--md-sys-motion-easing-emphasized);
}

.section--visible {
  opacity: 1;
  transform: translateY(0);
}

.section--visible .competition-card,
.section--visible .gallery__item,
.section--visible .stats__item {
  animation: cardCourtEntry 520ms var(--md-sys-motion-easing-emphasized) both;
}

.section--visible .competition-card:nth-child(2),
.section--visible .gallery__item:nth-child(2),
.section--visible .stats__item:nth-child(2) { animation-delay: 90ms; }
.section--visible .competition-card:nth-child(3),
.section--visible .gallery__item:nth-child(3),
.section--visible .stats__item:nth-child(3) { animation-delay: 180ms; }
.section--visible .gallery__item:nth-child(4),
.section--visible .stats__item:nth-child(4) { animation-delay: 270ms; }
.section--visible .gallery__item:nth-child(5) { animation-delay: 360ms; }

@keyframes cardCourtEntry {
  from {
    opacity: 0;
    transform: translateY(22px) rotateX(4deg);
  }
  to {
    opacity: 1;
    transform: translateY(0) rotateX(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero__slide--active,
  .hero__slide--active .hero__label,
  .hero__slide--active .hero__title,
  .hero__slide--active .hero__subtitle,
  .hero__slide--active .hero__actions,
  .hero__match-lines span,
  .quick-menu__item:hover .quick-menu__icon,
  .competition-card[data-status="live"] .badge--live::before,
  .section--visible .competition-card,
  .section--visible .gallery__item,
  .section--visible .stats__item {
    animation: none !important;
  }

  .section--animate {
    opacity: 1;
    transform: none;
  }
}