/* =====================================================
   스포스타 (SpoStar) - style.css
   우주 스타일 다크 테마 스포츠중계 랜딩페이지
   ===================================================== */

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;600;700;900&family=Noto+Sans+KR:wght@300;400;500;700;900&family=Rajdhani:wght@400;600;700&display=swap');

:root {
  --bg-deep:       #030510;
  --bg-dark:       #070d1f;
  --bg-card:       #0d1530;
  --bg-card-hover: #111d3e;
  --accent-gold:   #f5c842;
  --accent-cyan:   #00d4ff;
  --accent-purple: #7b4fff;
  --accent-red:    #ff3c5c;
  --text-primary:  #e8eaf6;
  --text-secondary:#9aa0c0;
  --text-muted:    #5a6080;
  --border:        rgba(0, 212, 255, 0.15);
  --border-gold:   rgba(245, 200, 66, 0.25);
  --glow-cyan:     0 0 20px rgba(0, 212, 255, 0.4);
  --glow-gold:     0 0 20px rgba(245, 200, 66, 0.4);
  --glow-purple:   0 0 30px rgba(123, 79, 255, 0.4);
  --font-display:  'Orbitron', sans-serif;
  --font-body:     'Noto Sans KR', sans-serif;
  --font-eng:      'Rajdhani', sans-serif;
  --radius:        12px;
  --radius-lg:     20px;
  --transition:    0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  position: relative;
}

/* ─── 우주 배경 캔버스 ─── */
#starfield {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
}

.nebula-bg {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 60% at 20% 20%, rgba(123,79,255,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 60% 80% at 80% 70%, rgba(0,212,255,0.06) 0%, transparent 60%),
    radial-gradient(ellipse 50% 50% at 50% 50%, rgba(245,200,66,0.03) 0%, transparent 70%);
}

.page-wrapper {
  position: relative;
  z-index: 1;
}

/* ─── 공통 ─── */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

a {
  color: var(--accent-cyan);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: var(--accent-gold); }

img { max-width: 100%; display: block; }

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--text-primary);
  text-align: center;
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}
.section-title span { color: var(--accent-cyan); }
.section-title .gold { color: var(--accent-gold); }

.section-sub {
  text-align: center;
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 48px;
  font-weight: 300;
}

.section-divider {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
  margin: 12px auto 32px;
  border-radius: 2px;
}

section {
  padding: 80px 0;
}

/* ─── 헤더 / 네비게이션 ─── */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0 24px;
  height: 70px;
  display: flex;
  align-items: center;
  background: rgba(3, 5, 16, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
#header.scrolled {
  background: rgba(3, 5, 16, 0.97);
  box-shadow: 0 4px 30px rgba(0,0,0,0.5);
}

.header-inner {
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.logo-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: var(--glow-cyan);
  position: relative;
  overflow: hidden;
}
.logo-icon::after {
  content: '';
  position: absolute;
  inset: 2px;
  background: var(--bg-deep);
  border-radius: 50%;
}
.logo-icon span { position: relative; z-index: 1; }

.logo-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 0.08em;
}

nav { display: flex; align-items: center; gap: 6px; }
nav a {
  color: var(--text-secondary);
  font-size: 0.875rem;
  padding: 8px 14px;
  border-radius: 8px;
  transition: all var(--transition);
  font-weight: 500;
}
nav a:hover {
  color: var(--accent-cyan);
  background: rgba(0,212,255,0.08);
}

.btn-live {
  background: linear-gradient(135deg, var(--accent-red), #ff6b35);
  color: #fff !important;
  padding: 8px 18px;
  border-radius: 20px;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  box-shadow: 0 0 15px rgba(255,60,92,0.4);
  animation: pulse-live 2s infinite;
}
@keyframes pulse-live {
  0%, 100% { box-shadow: 0 0 15px rgba(255,60,92,0.4); }
  50%       { box-shadow: 0 0 25px rgba(255,60,92,0.7); }
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ─── 히어로 섹션 ─── */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 70px;
  position: relative;
  overflow: hidden;
}

.hero-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid;
  animation: ring-rotate linear infinite;
  pointer-events: none;
}
.hero-ring-1 {
  width: 600px; height: 600px;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  border-color: rgba(0,212,255,0.06);
  animation-duration: 60s;
}
.hero-ring-2 {
  width: 900px; height: 900px;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  border-color: rgba(123,79,255,0.04);
  animation-duration: 90s;
  animation-direction: reverse;
}
.hero-ring-3 {
  width: 1200px; height: 1200px;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  border-color: rgba(245,200,66,0.03);
  animation-duration: 120s;
}
@keyframes ring-rotate {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to   { transform: translate(-50%, -50%) rotate(360deg); }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  width: 100%;
  padding: 60px 24px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,212,255,0.1);
  border: 1px solid rgba(0,212,255,0.3);
  color: var(--accent-cyan);
  padding: 8px 20px;
  border-radius: 30px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 28px;
  animation: float 4s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-6px); }
}
.hero-badge .dot {
  width: 8px; height: 8px;
  background: var(--accent-red);
  border-radius: 50%;
  animation: blink 1.5s infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.2; }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 6rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 20px;
  letter-spacing: 0.05em;
}
.hero-title .line1 {
  display: block;
  background: linear-gradient(135deg, #fff 30%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-title .line2 {
  display: block;
  background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-red) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 0.55em;
  letter-spacing: 0.2em;
  margin-top: 8px;
}

.hero-desc {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto 40px;
  line-height: 1.8;
  font-weight: 300;
}
.hero-desc strong { color: var(--accent-cyan); font-weight: 700; }

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  color: #fff;
  padding: 16px 36px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  box-shadow: var(--glow-cyan);
  transition: all var(--transition);
  text-decoration: none;
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 35px rgba(0,212,255,0.6);
  color: #fff;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  color: var(--text-primary);
  padding: 16px 36px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  border: 1px solid var(--border);
  transition: all var(--transition);
  text-decoration: none;
}
.btn-secondary:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
  box-shadow: var(--glow-gold);
  transform: translateY(-3px);
}

/* 통계 카운터 */
.hero-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}
.stat-item { text-align: center; }
.stat-num {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 900;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
}
.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  margin-top: 4px;
}

/* ─── 스포츠 카테고리 ─── */
#sports {
  background: linear-gradient(180deg, transparent 0%, rgba(13,21,48,0.5) 100%);
}

.sports-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
}

.sport-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.sport-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  opacity: 0;
  transition: opacity var(--transition);
}
.sport-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent-cyan);
  box-shadow: var(--glow-cyan);
}
.sport-card:hover::before { opacity: 0.05; }

.sport-emoji {
  font-size: 2.8rem;
  display: block;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 0 10px rgba(0,212,255,0.4));
  transition: transform var(--transition);
}
.sport-card:hover .sport-emoji { transform: scale(1.15) rotate(-5deg); }

.sport-name {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.06em;
  position: relative;
  z-index: 1;
}
.sport-tag {
  display: inline-block;
  margin-top: 8px;
  font-size: 0.7rem;
  color: var(--accent-cyan);
  background: rgba(0,212,255,0.1);
  padding: 3px 10px;
  border-radius: 20px;
  position: relative;
  z-index: 1;
}

/* ─── 플레이어 하이라이트 ─── */
#players {
  background: rgba(7, 13, 31, 0.8);
}

.players-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 24px;
}

.player-card {
  background: var(--bg-card);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  padding: 32px 20px;
  text-align: center;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.player-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-gold), var(--accent-red));
  transform: scaleX(0);
  transition: transform var(--transition);
}
.player-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent-gold);
  box-shadow: var(--glow-gold);
}
.player-card:hover::after { transform: scaleX(1); }

.player-avatar {
  width: 80px; height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-cyan));
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: var(--glow-purple);
  border: 2px solid rgba(245,200,66,0.3);
}
.player-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.player-eng {
  font-family: var(--font-eng);
  font-size: 0.85rem;
  color: var(--accent-gold);
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}
.player-team {
  font-size: 0.78rem;
  color: var(--text-secondary);
  background: rgba(255,255,255,0.05);
  padding: 4px 12px;
  border-radius: 20px;
}

/* ─── 특징 섹션 ─── */
#features {
  background: linear-gradient(180deg, rgba(13,21,48,0.5) 0%, transparent 100%);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: all var(--transition);
  position: relative;
}
.feature-card:hover {
  border-color: var(--accent-purple);
  box-shadow: var(--glow-purple);
  transform: translateY(-4px);
}
.feature-icon {
  width: 56px; height: 56px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(0,212,255,0.15), rgba(123,79,255,0.15));
  border: 1px solid rgba(0,212,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 20px;
}
.feature-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}
.feature-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ─── 리그 소개 섹션 ─── */
#leagues {
  background: rgba(7, 13, 31, 0.6);
}

.leagues-tabs {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 40px;
}
.tab-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 10px 22px;
  border-radius: 30px;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 600;
  font-family: var(--font-body);
  transition: all var(--transition);
  letter-spacing: 0.04em;
}
.tab-btn:hover, .tab-btn.active {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  border-color: transparent;
  color: #fff;
  box-shadow: var(--glow-cyan);
}

.league-content {
  display: none;
}
.league-content.active {
  display: block;
  animation: fadeIn 0.4s ease;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.league-info {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.league-info h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--accent-cyan);
  margin-bottom: 16px;
  letter-spacing: 0.06em;
}
.league-info p {
  color: var(--text-secondary);
  line-height: 1.9;
  font-size: 0.95rem;
  margin-bottom: 20px;
}
.league-meta {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 24px;
}
.league-meta-item {
  flex: 1;
  min-width: 120px;
  background: rgba(0,212,255,0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
}
.league-meta-num {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent-gold);
  display: block;
}
.league-meta-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ─── SEO 컨텐츠 섹션 ─── */
#seo-content {
  background: var(--bg-dark);
}

.seo-article {
  max-width: 900px;
  margin: 0 auto;
}
.seo-article h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--accent-cyan);
  margin: 40px 0 16px;
  letter-spacing: 0.05em;
  border-left: 3px solid var(--accent-cyan);
  padding-left: 16px;
}
.seo-article h3 {
  font-size: 1.15rem;
  color: var(--accent-gold);
  margin: 28px 0 12px;
  font-weight: 700;
}
.seo-article h4 {
  font-size: 1rem;
  color: var(--text-primary);
  margin: 20px 0 8px;
  font-weight: 600;
}
.seo-article p {
  color: var(--text-secondary);
  line-height: 2;
  margin-bottom: 16px;
  font-size: 0.95rem;
}
.seo-article strong { color: var(--text-primary); font-weight: 700; }
.seo-article ul, .seo-article ol {
  margin: 12px 0 20px 20px;
  color: var(--text-secondary);
  line-height: 2;
  font-size: 0.95rem;
}
.seo-article li { margin-bottom: 6px; }
.seo-article li::marker { color: var(--accent-cyan); }

.highlight-box {
  background: rgba(0,212,255,0.05);
  border: 1px solid rgba(0,212,255,0.2);
  border-radius: var(--radius);
  padding: 24px 28px;
  margin: 24px 0;
}
.highlight-box.gold {
  background: rgba(245,200,66,0.05);
  border-color: rgba(245,200,66,0.2);
}

/* ─── FAQ ─── */
#faq {
  background: linear-gradient(180deg, transparent 0%, rgba(13,21,48,0.5) 100%);
}

.faq-list { max-width: 800px; margin: 0 auto; }

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq-item:hover { border-color: rgba(0,212,255,0.3); }
.faq-item.open { border-color: var(--accent-cyan); }

.faq-q {
  width: 100%;
  background: none;
  border: none;
  color: var(--text-primary);
  text-align: left;
  padding: 20px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: var(--font-body);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq-q:hover { color: var(--accent-cyan); }
.faq-icon {
  font-size: 1.2rem;
  color: var(--accent-cyan);
  transition: transform var(--transition);
  flex-shrink: 0;
}
.faq-item.open .faq-icon { transform: rotate(45deg); }

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0 24px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.9;
}
.faq-item.open .faq-a {
  max-height: 400px;
  padding: 0 24px 20px;
}

/* ─── CTA ─── */
#cta {
  background: radial-gradient(ellipse 80% 80% at 50% 50%, rgba(0,212,255,0.08) 0%, transparent 70%);
  text-align: center;
  padding: 120px 0;
}
.cta-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  background: linear-gradient(135deg, #fff, var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 20px;
  letter-spacing: 0.05em;
}
.cta-sub {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 40px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* ─── 푸터 ─── */
#footer {
  background: var(--bg-dark);
  border-top: 1px solid var(--border);
  padding: 60px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-logo .logo-text { font-size: 1.3rem; }
.footer-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-top: 12px;
  max-width: 280px;
}
.footer-col h4 {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-secondary);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--accent-cyan); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-copy {
  font-size: 0.8rem;
  color: var(--text-muted);
}
.footer-links {
  display: flex;
  gap: 20px;
}
.footer-links a {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ─── 스크롤 업 버튼 ─── */
#scroll-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  border: none;
  border-radius: 50%;
  color: #fff;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--glow-cyan);
  transition: all var(--transition);
  opacity: 0;
  pointer-events: none;
  z-index: 999;
}
#scroll-top.visible {
  opacity: 1;
  pointer-events: all;
}
#scroll-top:hover { transform: translateY(-4px); }

/* ─── 반응형 ─── */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  nav { display: none; }
  nav.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(3, 5, 16, 0.98);
    padding: 20px;
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(12px);
  }
  nav.open a { padding: 14px 16px; border-radius: 8px; }
  .hamburger { display: flex; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .hero-stats { gap: 28px; }
  .sports-grid { grid-template-columns: repeat(3, 1fr); gap: 12px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-desc { max-width: 100%; }
  section { padding: 60px 0; }
  .league-info { padding: 24px; }
}

@media (max-width: 480px) {
  .sports-grid { grid-template-columns: repeat(2, 1fr); }
  .players-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .hero-title { font-size: 2.2rem; }
}

/* ─── 로딩 애니메이션 ─── */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── 유틸리티 ─── */
.text-cyan   { color: var(--accent-cyan); }
.text-gold   { color: var(--accent-gold); }
.text-purple { color: var(--accent-purple); }
.text-red    { color: var(--accent-red); }

.mt-sm { margin-top: 8px; }
.mt-md { margin-top: 20px; }
.mt-lg { margin-top: 40px; }

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}
.badge-live { background: rgba(255,60,92,0.2); color: var(--accent-red); border: 1px solid rgba(255,60,92,0.4); }
.badge-hd   { background: rgba(0,212,255,0.1); color: var(--accent-cyan); border: 1px solid rgba(0,212,255,0.3); }
.badge-free { background: rgba(123,79,255,0.15); color: var(--accent-purple); border: 1px solid rgba(123,79,255,0.3); }