/* ==========================================================================
   DORTMUND ESPORTS E. V. - MODERN DESIGN SYSTEM & CUSTOM UTILITIES
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Chakra+Petch:ital,wght@0,400;0,600;0,700;1,700&family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
  --color-primary: #FF1E27;
  --color-primary-hover: #E00B14;
  --color-primary-glow: rgba(255, 30, 39, 0.45);
  
  /* Light Mode Defaults - Pure Black Text for Maximum Readability & Accessibility */
  --bg-page: #F8F9FA;
  --bg-header: #FFFFFF;
  --bg-card: #FFFFFF;
  --bg-card-hover: #F1F3F5;
  --bg-footer: #F1F3F5;
  --text-main: #000000;
  --text-muted: #111827; /* Rich, crisp deep-black text so nothing appears washed out or grey */
  --border-color: #D1D5DB;
  --card-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.08);
}

.dark {
  /* Dark Mode Defaults - Mattschwarz / Anthrazit */
  --bg-page: #0B0B0C;
  --bg-header: #111114;
  --bg-card: #151518;
  --bg-card-hover: #1C1C21;
  --bg-footer: #080809;
  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  --border-color: #27272A;
  --card-shadow: 0 15px 35px -15px rgba(0, 0, 0, 0.7);
}

/* Hide default browser scrollbar everywhere while preserving scrolling */
html {
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* IE and Edge */
}
html::-webkit-scrollbar,
body::-webkit-scrollbar {
  display: none; /* Chrome, Safari, Opera */
  width: 0;
  height: 0;
}

/* Accessible Keyboard Focus Indicators */
:focus-visible {
  outline: 2px solid #FF1E27;
  outline-offset: 3px;
}

/* Accessibility: Respect Reduced Motion Preferences */
@media (prefers-reduced-motion: reduce) {
  *, ::before, ::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Accessible Skip-to-Content Link for Screen Readers & Keyboard Nav */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  z-index: 100;
  padding: 0.75rem 1.25rem;
  background-color: #FF1E27;
  color: #FFFFFF;
  font-weight: 700;
  border-radius: 0.5rem;
  box-shadow: 0 4px 15px rgba(0,0,0,0.4);
  transition: top 0.2s ease-in-out;
}
.skip-link:focus {
  top: 1rem;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-page);
  color: var(--text-main);
  transition: background-color 0.25s ease, color 0.25s ease;
  overflow-x: hidden;
  font-size: 16px;
  line-height: 1.6;
}

h1, h2, h3, h4, .font-heading {
  font-family: 'Chakra Petch', sans-serif;
  letter-spacing: -0.02em;
}

/* Background Color utilities mapped to CSS vars */
.bg-theme-page { background-color: var(--bg-page); }
.bg-theme-header { background-color: var(--bg-header); }
.bg-theme-card { background-color: var(--bg-card); }
.bg-theme-card-hover:hover { background-color: var(--bg-card-hover); }
.bg-theme-footer { background-color: var(--bg-footer); }
.text-theme-text { color: var(--text-main); }
.text-text-muted { color: var(--text-muted); }
.border-border-custom { border-color: var(--border-color); }

/* Radial Vignette for Hero Background depth */
.bg-radial-vignette {
  background: radial-gradient(circle at center, transparent 30%, rgba(248, 249, 250, 0.75) 85%, rgba(248, 249, 250, 0.95) 100%);
}
.dark .bg-radial-vignette {
  background: radial-gradient(circle at center, transparent 30%, rgba(11, 11, 12, 0.75) 85%, rgba(11, 11, 12, 0.95) 100%);
}

/* Primary Button Styling */
.btn-primary {
  background: linear-gradient(135deg, #FF1E27 0%, #D7111A 100%);
  color: #FFFFFF;
  font-weight: 700;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 4px 20px -2px rgba(255, 30, 39, 0.35);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.btn-primary:hover {
  background: linear-gradient(135deg, #FF333B 0%, #E00B14 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px -2px rgba(255, 30, 39, 0.55);
}

.btn-secondary {
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-main);
  font-weight: 600;
  transition: all 0.2s ease;
}
.btn-secondary:hover {
  border-color: #FF1E27;
  color: #FF1E27;
  transform: translateY(-1px);
}

/* Nav Link Hover States */
.nav-link {
  color: var(--text-muted);
}
.nav-link:hover, .nav-link.active {
  color: #FF1E27;
  background-color: rgba(255, 30, 39, 0.08);
}

/* Mobile Nav Link Styles */
.mobile-nav-link {
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.mobile-nav-link:hover {
  color: #FF1E27;
  background-color: rgba(255, 30, 39, 0.08);
  transform: translateX(3px);
}
.mobile-nav-link.active {
  color: #FF1E27 !important;
  background-color: rgba(255, 30, 39, 0.1) !important;
  font-weight: 700;
}
.mobile-nav-link.active svg {
  opacity: 0.9;
  color: #FF1E27;
}

/* ==========================================================================
   TCG TRADING CARD COMPONENT (Holographic / 3D Tilt Effect)
   ========================================================================== */
.tcg-card-perspective {
  perspective: 1200px;
}

.tcg-card {
  position: relative;
  border-radius: 1.25rem;
  background: linear-gradient(150deg, #1b1b22 0%, #0e0e12 50%, #08080a 100%);
  border: 1.5px solid rgba(255, 255, 255, 0.08);
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.4s ease, border-color 0.3s ease;
  overflow: hidden;
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.8), 0 0 1px 1px rgba(255, 255, 255, 0.04);
  cursor: pointer;
  transform-style: preserve-3d;
}

.tcg-card:hover {
  border-color: rgba(255, 30, 39, 0.8);
  box-shadow: 0 24px 50px -12px rgba(255, 30, 39, 0.35), 0 0 30px -5px rgba(255, 30, 39, 0.3), inset 0 0 20px rgba(255, 30, 39, 0.08);
  transform: translateY(-8px) rotateX(4deg) rotateY(-3deg) scale(1.025);
}

/* Hologram / Foil Glint Effect */
.tcg-card::before {
  content: '';
  position: absolute;
  inset: -150%;
  background: linear-gradient(
    115deg,
    transparent 0%,
    rgba(255, 255, 255, 0.03) 25%,
    rgba(255, 30, 39, 0.4) 45%,
    rgba(255, 255, 255, 0.75) 50%,
    rgba(0, 225, 255, 0.4) 55%,
    rgba(255, 255, 255, 0.03) 75%,
    transparent 100%
  );
  transform: rotate(25deg) translateY(-100%);
  transition: transform 0.85s ease-in-out;
  pointer-events: none;
  z-index: 20;
  mix-blend-mode: color-dodge;
  opacity: 0;
}

.tcg-card:hover::before {
  transform: rotate(25deg) translateY(100%);
  opacity: 0.95;
}

/* Subtle Card Frame & Gem Details */
.tcg-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, #FF1E27, transparent);
  opacity: 0.6;
  transition: opacity 0.3s ease;
}

.tcg-card:hover::after {
  opacity: 1;
}
.tcg-gem {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 2rem;
  height: 2rem;
  border-radius: 9999px;
  background: radial-gradient(circle at 30% 30%, #FF656B, #B80A12);
  border: 2px solid #FFF;
  box-shadow: 0 0 10px rgba(255, 30, 39, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

/* ==========================================================================
   SCROLL REVEAL ANIMATIONS
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Glow Accent circles */
.glow-effect {
  position: absolute;
  filter: blur(100px);
  pointer-events: none;
  border-radius: 9999px;
  opacity: 0.3;
}

/* ==========================================================================
   CUSTOM FLOATING SCROLL PROGRESS & SECTION INDICATOR
   ========================================================================== */
#custom-scroll-indicator {
  position: fixed;
  right: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 45;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0.4rem;
  background: rgba(21, 21, 24, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 9999px;
  box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.5);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

#custom-scroll-indicator.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.scroll-nav-btn {
  width: 1.75rem;
  height: 1.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.05);
  color: #94A3B8;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.2s ease;
  cursor: pointer;
}

.scroll-nav-btn:hover {
  background: #FF1E27;
  color: #FFFFFF;
  border-color: #FF1E27;
  transform: scale(1.1);
}

.scroll-track-container {
  position: relative;
  width: 3px;
  height: 90px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 9999px;
  overflow: hidden;
}

.scroll-track-bar {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 0%;
  background: linear-gradient(to bottom, #FF1E27, #FF656B);
  border-radius: 9999px;
  transition: height 0.1s linear;
  box-shadow: 0 0 8px rgba(255, 30, 39, 0.8);
}

.scroll-dots-list {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.scroll-dot {
  position: relative;
  width: 8px;
  height: 8px;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.25);
  border: 1px solid transparent;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: pointer;
}

.scroll-dot:hover {
  background: rgba(255, 255, 255, 0.8);
  transform: scale(1.3);
}

.scroll-dot.active {
  height: 20px;
  background: #FF1E27;
  box-shadow: 0 0 10px rgba(255, 30, 39, 0.9);
}

/* Tooltip for dots */
.scroll-dot .scroll-tooltip {
  position: absolute;
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%) translateX(6px);
  background: #111114;
  color: #FFFFFF;
  font-size: 11px;
  font-weight: 700;
  font-family: 'Chakra Petch', sans-serif;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 4px 8px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: all 0.2s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.6);
}

.scroll-dot:hover .scroll-tooltip {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

@media (max-width: 768px) {
  #custom-scroll-indicator {
    right: 0.5rem;
    gap: 0.4rem;
    padding: 0.4rem 0.25rem;
  }
  .scroll-track-container {
    height: 60px;
  }
}