/* ===== SPORTS COMPETITION STYLE 鈥?CSS ===== */

/* === ROOT & BASE === */
:root {
  --red: #e63946;
  --blue: #1d3557;
  --white: #ffffff;
  --gray-bg: #f8f9fa;
  --transition-speed: 0.3s;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  overflow-x: hidden;
}

/* === SELECTION === */
::selection {
  background: var(--red);
  color: var(--white);
}

/* === BUTTONS === */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--red), #c1121f);
  color: var(--white);
  font-weight: 700;
  transition: all var(--transition-speed) ease;
  position: relative;
  overflow: hidden;
}
.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 40%, rgba(255,255,255,0.15) 50%, transparent 60%);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(230, 57, 70, 0.4);
}
.btn-primary:hover::after {
  transform: translateX(100%);
}

/* === NAVIGATION === */
#navbar.scrolled {
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}
.nav-link {
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--red);
  transition: width var(--transition-speed) ease;
}
.nav-link:hover::after {
  width: 100%;
}

/* === HAMBURGER === */
#hamburger.active .ham-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
#hamburger.active .ham-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
#hamburger.active .ham-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}
#mobileMenu.active {
  transform: translateX(0);
}

/* === FEATURE CARDS === */
.feature-card {
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.feature-card:hover {
  transform: translateY(-8px);
}

/* === PODIUM === */
.podium {
  clip-path: polygon(0 0, 100% 0, 95% 100%, 5% 100%);
}

/* === TROPHY GLOW === */
.trophy-glow {
  animation: trophy-pulse 2s ease-in-out infinite;
}
@keyframes trophy-pulse {
  0%, 100% { box-shadow: 0 0 20px rgba(234, 179, 8, 0.4); }
  50% { box-shadow: 0 0 40px rgba(234, 179, 8, 0.8); }
}

/* === FLOATING ANIMATIONS === */
.animate-float {
  animation: float 3s ease-in-out infinite;
}
.animate-float-delayed {
  animation: float 3s ease-in-out 1.5s infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* === STAT CARDS === */
.stat-card {
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* === TREND BARS === */
.trend-bar {
  transition: all 0.3s ease;
  border-radius: 4px 4px 0 0;
  cursor: pointer;
  position: relative;
}
.trend-bar:hover {
  filter: brightness(1.3);
  transform: scaleY(1.05);
  transform-origin: bottom;
}
.trend-bar::after {
  content: attr(data-value);
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 10px;
  font-weight: 700;
  opacity: 0;
  transition: opacity 0.2s ease;
  white-space: nowrap;
}
.trend-bar:hover::after {
  opacity: 1;
}

/* === OBSERVER ANIMATIONS === */
.fade-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-in {
  opacity: 0;
  transition: opacity 0.8s ease;
}
.fade-in.visible {
  opacity: 1;
}
.slide-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.slide-left.visible {
  opacity: 1;
  transform: translateX(0);
}
.slide-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.slide-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* === SCROLLBAR === */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--gray-bg);
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(var(--red), var(--blue));
  border-radius: 4px;
}

/* === PRICING CARD HOVER === */
#pricing .bg-white:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .podium {
    clip-path: polygon(0 0, 100% 0, 98% 100%, 2% 100%);
  }
}

/* === DIVIDER SKEW FIX for sections === */
section {
  position: relative;
  z-index: 1;
}

/* === DIAGONAL PATTERN BACKGROUND === */
.bg-diagonal {
  background-image: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 10px,
    rgba(230, 57, 70, 0.03) 10px,
    rgba(230, 57, 70, 0.03) 20px
  );
}

/* === RACING STRIPE PULSE === */
@keyframes stripe-pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}
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