/* ==========================================================================
   GYM KITCHEN SL - PURE ATHLETIC GYM BRAND DESIGN SYSTEM
   High Energy Gym Aesthetic | Russo One & Changa (Logo Font Style) | Teal, Gold & Crimson
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Changa:wght@500;600;700;800;900&family=Plus+Jakarta+Sans:ital,wght@0,400;0,500;0,600;0,700;0,800;1,700&family=Russo+One&display=swap');

:root {
  --font-gym-title: 'Russo One', 'Changa', -apple-system, sans-serif;
  --font-gym-sub: 'Changa', sans-serif;
  --font-gym-body: 'Plus Jakarta Sans', sans-serif;

  /* Official Gym Kitchen Brand Colors */
  --gym-teal-dark: #061922;
  --gym-teal-deep: #005f6b;
  --gym-teal-primary: #008290;
  --gym-teal-bright: #00a5b8;

  --gym-gold-primary: #ffbe1a;
  --gym-gold-dark: #e09f07;
  
  --gym-crimson: #dc2626;
  --gym-crimson-dark: #b91c1c;

  --gym-bg: #0a141d;
  --gym-card-bg: #0f1e29;
  --gym-card-border: rgba(255, 255, 255, 0.12);
}

/* Base resets & typography */
html {
  scroll-behavior: smooth;
  font-family: var(--font-gym-body);
  background-color: var(--gym-bg);
  color: #f8fafc;
  overflow-x: hidden;
}

body {
  overflow-x: hidden;
  position: relative;
  background-color: var(--gym-bg);
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(0, 130, 144, 0.25) 0%, transparent 60%),
    radial-gradient(circle at 10% 40%, rgba(255, 190, 26, 0.08) 0%, transparent 45%),
    radial-gradient(circle at 90% 70%, rgba(220, 38, 38, 0.08) 0%, transparent 50%);
}

.font-gym-heading,
.font-display {
  font-family: var(--font-gym-title);
  letter-spacing: 0.5px;
}

.font-gym-sub,
.font-mono {
  font-family: var(--font-gym-sub);
  letter-spacing: 0.5px;
}

.font-gym-body {
  font-family: var(--font-gym-body);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 9px;
}
::-webkit-scrollbar-track {
  background: #060e14;
}
::-webkit-scrollbar-thumb {
  background: var(--gym-gold-primary);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #fff;
}

/* ==========================================================================
   ATHLETIC GYM CARDS & BUTTONS
   ========================================================================== */

.gym-card {
  background: #0f1f2b;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.gym-card:hover {
  border-color: var(--gym-gold-primary);
  box-shadow: 0 15px 35px -5px rgba(0, 0, 0, 0.7), 0 0 20px rgba(255, 190, 26, 0.25);
  transform: translateY(-3px);
}

.gym-nav {
  background: rgba(8, 18, 26, 0.96);
  border-bottom: 3px solid var(--gym-gold-primary);
  backdrop-filter: blur(12px);
}

/* ==========================================================================
   DEDICATED RESPONSIVE GYM VIDEO SHOWCASE (CLEAN & CLEAR PLAYBACK)
   ========================================================================== */
.gym-video-showcase {
  position: relative;
  width: 100%;
  background: #000;
  overflow: hidden;
}

.gym-video-element {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  display: block;
}

/* Buttons */
.btn-gold-action,
.btn-gym-gold {
  background: var(--gym-gold-primary);
  color: #061118;
  font-family: var(--font-gym-sub);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: 0 4px 15px rgba(255, 190, 26, 0.4);
  transition: all 0.2s ease;
}

.btn-gold-action:hover,
.btn-gym-gold:hover {
  background: #ffd05b;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255, 190, 26, 0.6);
}

.btn-teal-action {
  background: var(--gym-teal-primary);
  color: #ffffff;
  font-family: var(--font-gym-sub);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: 0 4px 15px rgba(0, 130, 144, 0.4);
  transition: all 0.2s ease;
}

.btn-teal-action:hover {
  background: var(--gym-teal-bright);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 130, 144, 0.6);
}

.btn-crimson-action {
  background: var(--gym-crimson);
  color: #ffffff;
  font-family: var(--font-gym-sub);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: 0 4px 15px rgba(220, 38, 38, 0.4);
  transition: all 0.2s ease;
}

.btn-crimson-action:hover {
  background: #ef4444;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(220, 38, 38, 0.6);
}

/* Range Slider */
input[type=range] {
  -webkit-appearance: none;
  width: 100%;
  background: transparent;
}
input[type=range]:focus {
  outline: none;
}
input[type=range]::-webkit-slider-runnable-track {
  width: 100%;
  height: 10px;
  cursor: pointer;
  background: #192d3c;
  border-radius: 9999px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}
input[type=range]::-webkit-slider-thumb {
  height: 26px;
  width: 26px;
  border-radius: 50%;
  background: var(--gym-gold-primary);
  cursor: pointer;
  -webkit-appearance: none;
  margin-top: -8px;
  box-shadow: 0 0 12px rgba(255, 190, 26, 0.8);
  transition: transform 0.15s ease;
}
input[type=range]::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

/* Badge tags */
.gym-badge-gold {
  background: var(--gym-gold-primary);
  color: #061118;
  font-weight: 800;
  font-size: 0.75rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.gym-badge-teal {
  background: var(--gym-teal-primary);
  color: #ffffff;
  font-weight: 800;
  font-size: 0.75rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.gym-badge-red {
  background: var(--gym-crimson);
  color: #ffffff;
  font-weight: 800;
  font-size: 0.75rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

/* ==========================================================================
   SCROLL ANIMATIONS & DYNAMICS (GYM ATHLETIC THEME)
   ========================================================================== */

/* Top Golden Scroll Progress Indicator */
#scroll-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, #008290 0%, #00b4c8 30%, #f5b82e 70%, #ffd56b 100%);
  z-index: 100;
  pointer-events: none;
  box-shadow: 0 0 10px rgba(245, 184, 46, 0.8);
  transition: width 0.08s ease-out;
}

/* Scrolled Header State */
.gym-nav.scrolled {
  background: rgba(5, 14, 22, 0.98) !important;
  box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.8), 0 0 15px rgba(245, 184, 46, 0.15) !important;
}

/* Core Scroll-Triggered Reveal Classes */
.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1), transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.scroll-reveal.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

.scroll-reveal-scale {
  opacity: 0;
  transform: scale(0.93) translateY(20px);
  transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1), transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.scroll-reveal-scale.is-revealed {
  opacity: 1;
  transform: scale(1) translateY(0);
}

.scroll-reveal-left {
  opacity: 0;
  transform: translateX(-35px);
  transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1), transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.scroll-reveal-left.is-revealed {
  opacity: 1;
  transform: translateX(0);
}

.scroll-reveal-right {
  opacity: 0;
  transform: translateX(35px);
  transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1), transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.scroll-reveal-right.is-revealed {
  opacity: 1;
  transform: translateX(0);
}

/* Shimmer Highlight for Cards on Hover */
.gym-card {
  position: relative;
  overflow: hidden;
}

.gym-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.04), transparent);
  transform: skewX(-20deg);
  transition: left 0.75s ease;
  pointer-events: none;
}

.gym-card:hover::before {
  left: 150%;
}

/* Accessibility: Disable when user prefers reduced motion */
@media (prefers-reduced-motion: reduce) {
  .scroll-reveal,
  .scroll-reveal-scale,
  .scroll-reveal-left,
  .scroll-reveal-right {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  #scroll-progress-bar {
    display: none;
  }
}