/* ==========================================================================
   VULCAN FORGE - LUXURY GYM & PERFORMANCE SANCTUARY CSS DESIGN SYSTEM
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. COLOR PALETTE & DESIGN TOKENS
   -------------------------------------------------------------------------- */
:root[data-theme="dark"] {
  --bg-primary: #090A0F;
  --bg-secondary: #11131C;
  --bg-tertiary: #181B28;
  --bg-card: rgba(22, 25, 38, 0.75);
  --text-primary: #F1F3F9;
  --text-secondary: #ADB4C6;
  --text-muted: #6E768E;
  
  --accent-volt: #CCFF00;
  --accent-volt-glow: rgba(204, 255, 0, 0.35);
  --accent-crimson: #FF2A5F;
  --accent-gold: #FFB800;
  --accent-cyan: #00F0FF;

  --border-color: rgba(255, 255, 255, 0.08);
  --glass-bg: rgba(17, 19, 28, 0.7);
  --glass-border: rgba(204, 255, 0, 0.18);
  --card-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
  --nav-bg: rgba(9, 10, 15, 0.85);
}

:root[data-theme="light"] {
  --bg-primary: #F4F6FB;
  --bg-secondary: #FFFFFF;
  --bg-tertiary: #EAEFF8;
  --bg-card: rgba(255, 255, 255, 0.9);
  --text-primary: #0E121E;
  --text-secondary: #4A5268;
  --text-muted: #7E879E;

  --accent-volt: #85B800;
  --accent-volt-glow: rgba(133, 184, 0, 0.25);
  --accent-crimson: #E6003A;
  --accent-gold: #D49B00;
  --accent-cyan: #009BB0;

  --border-color: rgba(0, 0, 0, 0.08);
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(0, 0, 0, 0.12);
  --card-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.08);
  --nav-bg: rgba(244, 246, 251, 0.88);
}

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

html {
  scroll-behavior: smooth;
  font-family: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

body {
  min-height: 100vh;
  transition: background-color 0.4s ease, color 0.4s ease;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

/* Page Transition Overlay */
.page-transition-overlay {
  position: fixed;
  inset: 0;
  background-color: var(--bg-primary);
  z-index: 999998;
  opacity: 1;
  pointer-events: none;
  transition: opacity 0.4s ease-in-out;
}
.page-transition-overlay.fade-out {
  opacity: 0;
}

/* Typography & General Classes */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Space Grotesk', 'Outfit', sans-serif;
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-primary);
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.25s ease;
}

button, input, select {
  font-family: inherit;
  outline: none;
}

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-padding {
  padding: 100px 0;
}

.page-header-padding {
  padding-top: 150px;
  padding-bottom: 60px;
  background: radial-gradient(circle at 50% 20%, rgba(204,255,0,0.06) 0%, transparent 60%);
}

.text-center { text-align: center; }
.text-left { text-align: left; }

.glow-text {
  background: linear-gradient(135deg, var(--accent-volt) 0%, #FFFFFF 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.accent-text {
  color: var(--accent-volt);
}

.margin-top-md { margin-top: 24px; }
.margin-top-xl { margin-top: 48px; }


/* --------------------------------------------------------------------------
   2. DUMBBELL SPLIT OPENING LOADER (UNSTUCK FAILSAFE & ZERO OVERLAP)
   -------------------------------------------------------------------------- */
.loader-overlay {
  position: fixed;
  inset: 0;
  z-index: 999999;
  display: flex;
  justify-content: center;
  align-items: center;
  pointer-events: none;
  background: transparent;
}

.loader-curtain {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 50%;
  background-color: var(--bg-primary);
  display: flex;
  align-items: center;
  transition: transform 0.65s cubic-bezier(0.77, 0, 0.175, 1);
  will-change: transform;
  overflow: hidden;
}

.loader-curtain-left {
  left: 0;
  justify-content: flex-end;
  border-right: 1px solid rgba(255,255,255,0.05);
}

.loader-curtain-right {
  right: 0;
  justify-content: flex-start;
  border-left: 1px solid rgba(255,255,255,0.05);
}

.loader-logo-half {
  position: absolute;
  top: 50%;
  width: 250px;
}

.loader-logo-left {
  right: 0;
  transform: translate(50%, -50%);
}

.loader-logo-right {
  left: 0;
  transform: translate(-50%, -50%);
}

.loader-logo-half img {
  width: 100%;
  height: auto;
  display: block;
}

.loader-center-brand {
  position: relative;
  z-index: 10;
  text-align: center;
  transition: opacity 0.35s ease, transform 0.35s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  margin-top: 200px;
}

.loader-badge {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.75rem;
  letter-spacing: 4px;
  color: var(--accent-volt);
  font-weight: 700;
}

.loader-bar-track {
  width: 220px;
  height: 6px;
  background: rgba(255,255,255,0.1);
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 0 15px var(--accent-volt-glow);
}

.loader-bar-fill {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--accent-volt), var(--accent-cyan));
  transition: width 0.3s ease-out;
}

/* Animation Variants Triggers */
/* 1. Split (Horizontal) */
.loader-overlay.anim-split #loader-left { transform: translate3d(-100%, 0, 0) !important; }
.loader-overlay.anim-split #loader-right { transform: translate3d(100%, 0, 0) !important; }
.loader-overlay.anim-split #loader-center { opacity: 0 !important; transform: scale(0.8) !important; }

/* 2. Fade Scale */
.loader-overlay.anim-fade { transition: opacity 0.65s ease, visibility 0.65s; }
.loader-overlay.anim-fade.split { opacity: 0 !important; }
.loader-overlay.anim-fade.split #loader-left, .loader-overlay.anim-fade.split #loader-right { transform: scale(1.1) !important; opacity: 0 !important; transition: transform 0.65s ease, opacity 0.65s ease; }
.loader-overlay.anim-fade.split #loader-center { opacity: 0 !important; transform: scale(1.2) !important; }

/* 3. Slide Up */
.loader-overlay.anim-slide-up.split #loader-left, .loader-overlay.anim-slide-up.split #loader-right { transform: translate3d(0, -100%, 0) !important; }
.loader-overlay.anim-slide-up.split #loader-center { opacity: 0 !important; transform: translate3d(0, -50px, 0) !important; }

/* 4. Squeeze (Vertical Scale) */
.loader-overlay.anim-squeeze #loader-left, .loader-overlay.anim-squeeze #loader-right { transform-origin: top; }
.loader-overlay.anim-squeeze.split #loader-left, .loader-overlay.anim-squeeze.split #loader-right { transform: scaleY(0) !important; }
.loader-overlay.anim-squeeze.split #loader-center { opacity: 0 !important; transform: scale(0.5) !important; }

.loader-overlay.hidden-loader {
  display: none !important;
  visibility: hidden !important;
}


/* --------------------------------------------------------------------------
   3. NAVIGATION BAR & FOOTER
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--nav-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.nav-container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.workouts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 40px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent-volt), var(--accent-cyan));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #000;
  font-size: 1.25rem;
  box-shadow: 0 0 15px var(--accent-volt-glow);
}

.brand-text {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: 1px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 6px 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--accent-volt);
  transition: width 0.3s ease;
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.theme-toggle-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 30px;
  border: 1px solid var(--border-color);
  background: var(--glass-bg);
  color: var(--text-primary);
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  transition: all 0.3s ease;
}

.theme-toggle-btn:hover {
  border-color: var(--accent-volt);
  box-shadow: 0 0 12px var(--accent-volt-glow);
}

:root[data-theme="dark"] .icon-light { display: none; }
:root[data-theme="light"] .icon-dark { display: none; }

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}


/* --------------------------------------------------------------------------
   4. BUTTONS, UI UTILITIES & SCROLL REVEAL ANIMATIONS
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 26px;
  border-radius: 12px;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--accent-volt);
  color: #000000;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px var(--accent-volt-glow);
}

.btn-glow {
  box-shadow: 0 0 20px var(--accent-volt-glow);
}

.btn-outline {
  background: transparent;
  border-color: var(--border-color);
  color: var(--text-primary);
}

.btn-outline:hover {
  border-color: var(--accent-volt);
  color: var(--accent-volt);
  transform: translateY(-3px);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.05rem;
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.85rem;
}

.btn-block {
  width: 100%;
}

.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  box-shadow: var(--card-shadow);
}

/* Scroll Reveal Classes */
.reveal-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-fade {
  opacity: 0;
  transition: opacity 0.9s ease;
}

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


/* --------------------------------------------------------------------------
   5. HERO SECTION WITH BACKGROUND VIDEO & SCROLL STORYTELLING
   -------------------------------------------------------------------------- */
/* --------------------------------------------------------------------------
   5. HERO SECTION WITH 3D DEPTH PARALLAX & REFERENCE STYLING
   -------------------------------------------------------------------------- */
.hero-section {
  position: relative;
  padding-top: 120px;
  padding-bottom: 24px;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

/* Background Parallax Layer */
.hero-parallax-bg {
  position: absolute;
  inset: -30px;
  z-index: 1;
  overflow: hidden;
  transition: transform 0.15s cubic-bezier(0.1, 1, 0.1, 1);
  will-change: transform;
}

.bg-img-parallax {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.4) contrast(1.15);
}

.hero-dark-vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 65% 45%, rgba(9,10,15,0.15) 0%, var(--bg-primary) 85%);
}

.hero-watermark-text {
  position: absolute;
  top: 15%;
  left: 3%;
  font-size: 14vw;
  font-weight: 900;
  font-family: 'Space Grotesk', sans-serif;
  color: rgba(255, 255, 255, 0.03);
  letter-spacing: 15px;
  pointer-events: none;
  user-select: none;
}

/* Grid Layout */
.hero-content-grid {
  position: relative;
  z-index: 5;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 30px;
  align-items: center;
  flex: 1;
  margin-top: 10px;
}

.hero-left-col {
  padding-right: 10px;
  z-index: 6;
}

.hero-reference-title {
  font-size: 4.4rem;
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -1.5px;
  margin-bottom: 20px;
  text-transform: uppercase;
}

.glow-brush-text {
  color: var(--accent-volt);
  font-style: italic;
  text-shadow: 0 0 25px var(--accent-volt-glow);
  display: inline-block;
}

.justify-left {
  justify-content: flex-start;
}

.btn-video-trigger {
  border-color: rgba(255,255,255,0.2);
}

/* Right Column 3D Parallax Cutout Athlete Layer */
.hero-right-col {
  position: relative;
  height: 100%;
  min-height: 420px;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
}

.guy-parallax-wrapper {
  position: absolute;
  right: -50px;
  bottom: -40px;
  height: 100%;
  max-height: 130vh;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  transition: transform 0.12s cubic-bezier(0.1, 1, 0.1, 1);
  will-change: transform;
  z-index: 4;
}

.guy-img-parallax {
  max-height: 80vh;
  max-width: none;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 20px 40px rgba(0,0,0,0.85));
  transform: scale(1.02) translateX(8%);
  transform-origin: bottom right;
}

.guy-glow-backdrop {
  position: absolute;
  bottom: 40px;
  right: 20%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, var(--accent-volt-glow) 0%, transparent 70%);
  z-index: -1;
  pointer-events: none;
}

/* Hero Bottom Strip (4 Pillars + Right Stats Box) */
.hero-bottom-strip {
  position: relative;
  z-index: 10;
  margin-top: 20px;
  padding-bottom: 10px;
  display: grid;
  grid-template-columns: 1fr 440px;
  gap: 24px;
  align-items: center;
  width: 100%;
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.pillar-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.pillar-icon {
  font-size: 1.15rem;
  color: var(--accent-volt);
  margin-top: 2px;
}

.pillar-text h4 {
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.8px;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.pillar-text p {
  font-size: 0.72rem;
  color: var(--text-muted);
  line-height: 1.3;
}

/* Right Stats Box */
.hero-stats-card {
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(14, 16, 24, 0.85);
  border: 1px solid var(--glass-border);
}

.hero-stat-block {
  text-align: center;
}

.stat-val {
  display: block;
  font-size: 1.75rem;
  font-weight: 900;
  font-family: 'Space Grotesk', sans-serif;
  color: var(--accent-volt);
  line-height: 1;
}

.stat-lbl {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 600;
}

.stat-v-divider {
  width: 1px;
  height: 30px;
  background: var(--border-color);
}

/* Entrance Animations Stagger */
.hero-anim-item {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-anim-active .hero-anim-item:nth-child(1) { transition-delay: 0.1s; opacity: 1; transform: translateY(0); }
.hero-anim-active .hero-anim-item:nth-child(2) { transition-delay: 0.25s; opacity: 1; transform: translateY(0); }
.hero-anim-active .hero-anim-item:nth-child(3) { transition-delay: 0.4s; opacity: 1; transform: translateY(0); }
.hero-anim-active .hero-anim-item:nth-child(4) { transition-delay: 0.55s; opacity: 1; transform: translateY(0); }
.hero-anim-active.hero-bottom-strip { transition-delay: 0.7s; opacity: 1; transform: translateY(0); }


/* Storyline Section */
.storyline-section {
  padding: 80px 0;
  position: relative;
}

.storyline-trigger-wrapper {
  position: relative;
}

.storyline-header {
  text-align: center;
  margin-bottom: 30px;
}

.section-tag {
  font-size: 0.8rem;
  letter-spacing: 3px;
  color: var(--text-muted);
}

.scroll-indicator {
  margin-top: 8px;
  color: var(--accent-volt);
  font-size: 1.2rem;
}

.animate-bounce {
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(-8px); }
  60% { transform: translateY(-4px); }
}

.video-stage-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
  transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Flanking Side Cards */
.flank-card {
  flex: 0 0 300px;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 15px 35px rgba(0,0,0,0.5);
}

.flank-left {
  transform: translateX(100px) scale(0.85);
  opacity: 0.2;
}

.flank-right {
  transform: translateX(-100px) scale(0.85);
  opacity: 0.2;
}

.card-video-box {
  position: relative;
  height: 380px;
  overflow: hidden;
}

.card-video-box video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.flank-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,0.85) 100%);
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  color: #FFFFFF;
}

.flank-tag {
  font-size: 0.7rem;
  letter-spacing: 2px;
  color: var(--accent-volt);
  font-weight: 700;
}

.flank-overlay h3 {
  font-size: 1.1rem;
  color: #FFFFFF;
  margin: 4px 0;
}

.flank-overlay p {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.7);
}

/* Center Hero Video Main Wrapper */
.hero-main-video-wrapper {
  flex: 1 1 1000px;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--glass-border);
  box-shadow: 0 30px 80px rgba(0,0,0,0.8);
  transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.video-aspect-box {
  position: relative;
  width: 100%;
  height: 480px;
}

.video-aspect-box video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-overlay-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.2) 0%, rgba(0,0,0,0.75) 100%);
}

.main-video-caption {
  position: absolute;
  bottom: 30px;
  left: 30px;
  z-index: 5;
  color: #FFFFFF;
}

.caption-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 12px;
  background: var(--accent-crimson);
  font-size: 0.75rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.main-video-caption h2 {
  font-size: 1.8rem;
  color: #FFFFFF;
}

.video-stage-container.stage-scrolled .hero-main-video-wrapper {
  flex: 0 1 650px;
}

.video-stage-container.stage-scrolled .flank-left {
  transform: translateX(0) scale(1);
  opacity: 1;
}

.video-stage-container.stage-scrolled .flank-right {
  transform: translateX(0) scale(1);
  opacity: 1;
}

/* Stats Counter Strip */
.stats-counter-strip {
  display: flex;
  align-items: center;
  justify-content: space-around;
  max-width: 1100px;
  margin: 60px auto 0;
  padding: 24px;
  border-radius: 20px;
  background: var(--glass-bg);
  border: 1px solid var(--border-color);
  flex-wrap: wrap;
  gap: 20px;
}

.stat-item {
  text-align: center;
}

.stat-num {
  font-size: 2.5rem;
  font-weight: 900;
  font-family: 'Space Grotesk', sans-serif;
  color: var(--text-primary);
}

.stat-plus {
  font-size: 2rem;
  font-weight: 900;
  color: var(--accent-volt);
}

.stat-label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border-color);
}


/* --------------------------------------------------------------------------
   6. INTERACTIVE MUSCLE MAP EXERCISE EXPLORER (exercises.html)
   -------------------------------------------------------------------------- */
.muscle-map-grid {
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 40px;
  align-items: start;
}

.muscle-svg-container {
  padding: 32px;
  text-align: center;
  position: relative;
}

.view-switcher-tabs {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 24px;
}

.view-btn {
  padding: 8px 18px;
  border-radius: 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.view-btn.active {
  background: var(--accent-volt);
  color: #000;
  border-color: var(--accent-volt);
}

.anatomy-svg-wrapper {
  max-width: 320px;
  margin: 0 auto;
}

.muscle-path {
  fill: var(--bg-tertiary);
  stroke: var(--border-color);
  stroke-width: 1.5;
  cursor: pointer;
  transition: all 0.25s ease;
}

.muscle-path:hover, .muscle-path.active {
  fill: var(--accent-volt);
  filter: drop-shadow(0 0 10px var(--accent-volt-glow));
}

.active-muscle-banner {
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
}

.active-muscle-name {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--accent-volt);
}

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

.exercise-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 24px;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

.exercise-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-volt);
  box-shadow: 0 15px 35px rgba(0,0,0,0.3);
}

.exercise-tag {
  align-self: flex-start;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(204,255,0,0.12);
  color: var(--accent-volt);
  font-size: 0.7rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.exercise-card h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.exercise-equip {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.exercise-steps {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 16px;
  flex: 1;
}


/* --------------------------------------------------------------------------
   7. WORKOUTS, CALCULATOR, KITCHEN, TRAINERS & PRICING
   -------------------------------------------------------------------------- */
.section-header { margin-bottom: 48px; }
.subhead-tag { font-size: 0.8rem; font-weight: 700; letter-spacing: 3px; color: var(--accent-volt); display: block; margin-bottom: 8px; }
.section-title { font-size: 2.8rem; margin-bottom: 12px; }
.section-desc { font-size: 1.1rem; color: var(--text-secondary); max-width: 600px; margin: 0 auto; }

.filter-tabs { display: flex; align-items: center; justify-content: center; gap: 12px; margin-bottom: 40px; flex-wrap: wrap; }
.filter-btn { padding: 10px 22px; border-radius: 30px; background: var(--glass-bg); border: 1px solid var(--border-color); color: var(--text-secondary); font-weight: 600; cursor: pointer; transition: all 0.3s ease; }
.filter-btn:hover, .filter-btn.active { background: var(--accent-volt); color: #000; border-color: var(--accent-volt); box-shadow: 0 0 15px var(--accent-volt-glow); }

.workouts-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 28px; }
.workout-card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 20px; overflow: hidden; transition: all 0.35s ease; display: flex; flex-direction: column; }
.workout-card:hover { transform: translateY(-8px); border-color: var(--accent-volt); box-shadow: 0 20px 40px rgba(0,0,0,0.4); }

.card-image-wrapper { position: relative; height: 220px; overflow: hidden; }
.card-image-wrapper img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.workout-card:hover .card-image-wrapper img { transform: scale(1.08); }
.card-badge { position: absolute; top: 14px; left: 14px; padding: 4px 12px; border-radius: 8px; background: rgba(0,0,0,0.7); backdrop-filter: blur(8px); color: var(--accent-volt); font-size: 0.7rem; font-weight: 800; }
.card-intensity { position: absolute; bottom: 14px; right: 14px; padding: 4px 10px; border-radius: 6px; background: rgba(0,0,0,0.8); color: #FFF; font-size: 0.75rem; font-weight: 600; }
.card-content { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.card-meta { display: flex; gap: 16px; font-size: 0.8rem; color: var(--text-muted); margin-bottom: 12px; }
.card-content h3 { font-size: 1.25rem; margin-bottom: 10px; }
.card-content p { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 20px; flex: 1; }

/* Calculator */
.calc-grid-wrapper { padding: 48px; display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 0.85rem; font-weight: 700; margin-bottom: 8px; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 1px; }
.form-control { width: 100%; padding: 14px 18px; border-radius: 12px; background: var(--bg-secondary); border: 1px solid var(--border-color); color: var(--text-primary); font-size: 1rem; transition: all 0.3s ease; }
.form-control:focus { border-color: var(--accent-volt); box-shadow: 0 0 12px var(--accent-volt-glow); }
.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.gender-toggle-group { display: flex; gap: 12px; }
.gender-toggle-group input[type="radio"], .goal-buttons-grid input[type="radio"] { display: none; }
.gender-btn { flex: 1; padding: 12px; border-radius: 12px; border: 1px solid var(--border-color); background: var(--bg-secondary); text-align: center; font-weight: 700; cursor: pointer; transition: all 0.3s ease; }
.gender-toggle-group input[type="radio"]:checked + .gender-btn { border-color: var(--accent-volt); background: var(--accent-volt); color: #000; }
.goal-buttons-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
.goal-btn { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 14px 10px; border-radius: 12px; border: 1px solid var(--border-color); background: var(--bg-secondary); font-size: 0.85rem; font-weight: 700; cursor: pointer; transition: all 0.3s ease; }
.goal-buttons-grid input[type="radio"]:checked + .goal-btn { border-color: var(--accent-volt); background: rgba(204,255,0,0.15); color: var(--accent-volt); }

.results-card { background: var(--bg-secondary); border: 1px solid var(--glass-border); border-radius: 20px; padding: 36px; }
.results-badge { font-size: 0.75rem; letter-spacing: 2px; color: var(--accent-volt); font-weight: 800; }
.main-cal-display { margin: 12px 0 6px; font-size: 4rem; font-weight: 900; font-family: 'Space Grotesk', sans-serif; line-height: 1; }
.cal-unit { font-size: 1rem; color: var(--text-muted); font-weight: 600; margin-left: 8px; }
.results-subtitle { font-size: 0.95rem; color: var(--text-secondary); margin-bottom: 24px; }
.bmr-tdee-row { display: flex; justify-content: space-between; padding: 16px 0; border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); margin-bottom: 24px; }
.mini-metric { display: flex; flex-direction: column; }
.mini-label { font-size: 0.75rem; color: var(--text-muted); }
.mini-val { font-size: 1.1rem; font-weight: 700; }

.macro-bar-group { margin-bottom: 16px; }
.macro-meta { display: flex; justify-content: space-between; font-size: 0.85rem; font-weight: 600; margin-bottom: 6px; }
.macro-track { height: 8px; background: rgba(255,255,255,0.08); border-radius: 4px; overflow: hidden; }
.macro-fill { height: 100%; border-radius: 4px; transition: width 0.6s ease; }
.fill-protein { background: var(--accent-crimson); }
.fill-carbs { background: var(--accent-gold); }
.fill-fats { background: var(--accent-volt); }

/* Fuel Kitchen */
.meal-plans-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 28px; }
.meal-plan-card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 20px; padding: 32px; position: relative; cursor: pointer; transition: all 0.3s ease; }
.meal-plan-card:hover, .meal-plan-card.active { border-color: var(--accent-volt); box-shadow: 0 0 25px var(--accent-volt-glow); transform: translateY(-6px); }
.plan-badge { display: inline-block; padding: 4px 12px; border-radius: 20px; background: rgba(204,255,0,0.15); color: var(--accent-volt); font-size: 0.75rem; font-weight: 800; margin-bottom: 16px; }
.plan-price { font-size: 2.2rem; font-weight: 900; font-family: 'Space Grotesk', sans-serif; margin-bottom: 12px; }
.plan-price span { font-size: 0.9rem; color: var(--text-muted); font-weight: 500; }
.plan-features { list-style: none; }
.plan-features li { font-size: 0.88rem; margin-bottom: 8px; display: flex; align-items: center; gap: 8px; color: var(--text-secondary); }
.plan-features li i { color: var(--accent-volt); }

.subscription-configurator { padding: 40px; }
.config-header { display: flex; justify-content: space-between; align-items: center; padding-bottom: 24px; border-bottom: 1px solid var(--border-color); margin-bottom: 32px; flex-wrap: wrap; gap: 16px; }
.sub-status { font-weight: 700; color: var(--accent-volt); }
.config-controls-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; margin-bottom: 36px; }
.control-label { font-size: 0.9rem; font-weight: 700; display: block; margin-bottom: 12px; }
.highlight-val { color: var(--accent-volt); }
.custom-range { width: 100%; accent-color: var(--accent-volt); height: 6px; background: var(--bg-secondary); border-radius: 4px; }
.range-labels { display: flex; justify-content: space-between; font-size: 0.75rem; color: var(--text-muted); margin-top: 6px; }
.segmented-control { display: flex; background: var(--bg-secondary); border-radius: 12px; padding: 4px; border: 1px solid var(--border-color); }
.segment-btn { flex: 1; padding: 10px; border-radius: 8px; border: none; background: none; color: var(--text-secondary); font-weight: 700; cursor: pointer; transition: all 0.3s ease; }
.segment-btn.active { background: var(--accent-volt); color: #000; }
.config-summary-bar { display: flex; align-items: center; justify-content: space-between; padding-top: 24px; border-top: 1px solid var(--border-color); flex-wrap: wrap; gap: 20px; }
.summary-details { display: flex; gap: 24px; }
.summary-price { font-size: 1.6rem; color: var(--accent-volt); font-family: 'Space Grotesk', sans-serif; }

/* Trainers & Pricing & Contact */
.trainers-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 32px; }
.trainer-card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 20px; overflow: hidden; transition: all 0.3s ease; }
.trainer-card:hover { transform: translateY(-6px); border-color: var(--accent-volt); }
.trainer-img-box { position: relative; height: 340px; }
.trainer-img-box img { width: 100%; height: 100%; object-fit: cover; }
.trainer-socials { position: absolute; bottom: 16px; right: 16px; display: flex; gap: 10px; }
.trainer-socials a { width: 36px; height: 36px; border-radius: 50%; background: rgba(0,0,0,0.7); backdrop-filter: blur(8px); display: flex; align-items: center; justify-content: center; color: #FFF; }
.trainer-socials a:hover { background: var(--accent-volt); color: #000; }
.trainer-info { padding: 24px; }
.trainer-role { font-size: 0.75rem; letter-spacing: 1px; color: var(--accent-volt); font-weight: 700; }

.pricing-toggle-wrapper { display: flex; align-items: center; justify-content: center; gap: 16px; }
.discount-badge { padding: 2px 8px; border-radius: 10px; background: var(--accent-crimson); color: #FFF; font-size: 0.7rem; font-weight: 800; }
.switch { position: relative; display: inline-block; width: 56px; height: 28px; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider { position: absolute; cursor: pointer; inset: 0; background-color: var(--bg-tertiary); transition: .4s; border: 1px solid var(--border-color); }
.slider:before { position: absolute; content: ""; height: 20px; width: 20px; left: 3px; bottom: 3px; background-color: var(--accent-volt); transition: .4s; }
.slider.round { border-radius: 34px; }
.slider.round:before { border-radius: 50%; }
input:checked + .slider:before { transform: translateX(27px); }

.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 32px; margin-top: 50px; }
.price-card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 24px; padding: 40px 32px; position: relative; display: flex; flex-direction: column; transition: all 0.3s ease; }
.price-card.active-card { border-color: var(--accent-volt); box-shadow: 0 0 35px var(--accent-volt-glow); transform: scale(1.03); }
.popular-ribbon { position: absolute; top: -14px; left: 50%; transform: translateX(-50%); padding: 4px 16px; border-radius: 20px; background: var(--accent-volt); color: #000; font-size: 0.75rem; font-weight: 900; letter-spacing: 1px; }

.price-amount { margin: 24px 0; font-family: 'Space Grotesk', sans-serif; }
.price-amount .currency { font-size: 1.5rem; font-weight: 700; vertical-align: top; }
.price-amount .val { font-size: 3.5rem; font-weight: 900; }
.price-amount .period { font-size: 0.9rem; color: var(--text-muted); }
.price-features { list-style: none; margin-bottom: 32px; flex: 1; }
.price-features li { font-size: 0.9rem; margin-bottom: 12px; display: flex; align-items: center; gap: 10px; }
.price-features li i { color: var(--accent-volt); }
.price-features li.disabled { opacity: 0.4; }

.contact-grid { padding: 48px; display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.info-items-list { margin-top: 32px; display: flex; flex-direction: column; gap: 24px; }
.info-item { display: flex; gap: 16px; align-items: flex-start; }
.info-icon { width: 44px; height: 44px; border-radius: 12px; background: rgba(204,255,0,0.1); color: var(--accent-volt); display: flex; align-items: center; justify-content: center; font-size: 1.2rem; }

.booking-form { background: var(--bg-secondary); border: 1px solid var(--border-color); padding: 32px; border-radius: 20px; }


/* --------------------------------------------------------------------------
   8. FOOTER, MODALS & TOASTS
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  padding: 60px 50px 30px;
  margin: 60px auto 30px;
  max-width: 96%;
  border-radius: 50px;
  box-shadow: 0 25px 50px rgba(0,0,0,0.5), 0 0 40px rgba(204,255,0,0.08);
}
.footer-top-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 2fr; gap: 40px; margin-bottom: 50px; }
.footer-desc { font-size: 0.9rem; color: var(--text-muted); margin-top: 16px; max-width: 300px; }
.footer-links-col h4, .footer-newsletter-col h4 { font-size: 0.95rem; margin-bottom: 20px; color: var(--text-primary); }
.footer-links-col ul { list-style: none; }
.footer-links-col li { margin-bottom: 10px; }
.footer-links-col a { font-size: 0.9rem; color: var(--text-muted); }
.footer-links-col a:hover { color: var(--accent-volt); }
.newsletter-form { display: flex; gap: 8px; margin-top: 12px; }
.footer-bottom { text-align: center; padding-top: 30px; border-top: 1px solid var(--border-color); font-size: 0.85rem; color: var(--text-muted); }

.modal-overlay { position: fixed; inset: 0; z-index: 10000; background: rgba(0, 0, 0, 0.8); backdrop-filter: blur(12px); display: flex; align-items: center; justify-content: center; padding: 20px; opacity: 0; pointer-events: none; transition: opacity 0.3s ease; }
.modal-overlay.active { opacity: 1; pointer-events: all; }
.modal-card { width: 100%; max-width: 550px; position: relative; overflow: hidden; transform: scale(0.9); transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1); }
.modal-card.modal-lg { max-width: 750px; }
.modal-overlay.active .modal-card { transform: scale(1); }
.modal-close { position: absolute; top: 16px; right: 16px; width: 36px; height: 36px; border-radius: 50%; background: rgba(0,0,0,0.6); border: 1px solid var(--border-color); color: #FFF; cursor: pointer; display: flex; align-items: center; justify-content: center; z-index: 10; }
.modal-header-img { height: 220px; overflow: hidden; }
.modal-header-img img { width: 100%; height: 100%; object-fit: cover; }
.modal-body { padding: 32px; }

.dishes-selector-grid { display: flex; flex-direction: column; gap: 16px; margin: 24px 0; }
.dish-item { display: flex; align-items: center; gap: 16px; padding: 12px; background: var(--bg-secondary); border-radius: 14px; border: 1px solid var(--border-color); }
.dish-item img { width: 60px; height: 60px; border-radius: 10px; object-fit: cover; }
.dish-info { flex: 1; }
.dish-check { width: 20px; height: 20px; accent-color: var(--accent-volt); }
.modal-checkout-footer { display: flex; align-items: center; justify-content: space-between; padding-top: 16px; border-top: 1px solid var(--border-color); }
.checkout-total strong { display: block; font-size: 1.4rem; color: var(--accent-volt); }

.toast-container { position: fixed; bottom: 30px; right: 30px; z-index: 99999; display: flex; flex-direction: column; gap: 12px; }
.toast { padding: 14px 24px; border-radius: 12px; background: var(--bg-card); border: 1px solid var(--accent-volt); color: var(--text-primary); font-weight: 600; box-shadow: 0 10px 30px rgba(0,0,0,0.5); display: flex; align-items: center; gap: 12px; animation: slideInRight 0.3s ease; }

@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}


/* --------------------------------------------------------------------------
   9. RESPONSIVE MOBILE BREAKPOINTS
   -------------------------------------------------------------------------- */
@media (max-width: 992px) {
  .hero-title { font-size: 2.8rem; }
  .calc-grid-wrapper, .contact-grid, .muscle-map-grid { grid-template-columns: 1fr; }
  .footer-top-grid { grid-template-columns: 1fr 1fr; }
  .video-stage-container { flex-direction: column; }
  .flank-card { display: none; }
  .hero-main-video-wrapper { flex: 1 1 100%; }
}

@media (max-width: 768px) {
  .site-header {
    background: #000;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
  .nav-menu {
    position: fixed;
    top: 75px;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: #000; /* Completely black */
    flex-direction: column;
    padding: 30px;
    border-bottom: none;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: 100;
  }
  .nav-menu.mobile-open { 
    opacity: 1; 
    visibility: visible; 
    pointer-events: auto; 
  }
  .mobile-toggle { display: block; }
  
  .btn-video-trigger { display: none !important; }
  
  .hero-content-grid { display: flex; flex-direction: column; }
  .guy-parallax-wrapper {
    position: absolute;
    right: -20px;
    bottom: 0;
    max-height: 60vh;
    z-index: 0;
    opacity: 0.8;
  }
  .guy-img-parallax {
    max-height: 60vh;
    transform: scale(1);
  }
  
  .form-row-3, .goal-buttons-grid, .config-controls-grid { grid-template-columns: 1fr; }
  .footer-top-grid { grid-template-columns: 1fr; }
  
  .stats-counter-strip { 
    flex-direction: row; 
    gap: 24px; 
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 10px;
    scrollbar-width: none;
  }
  .stats-counter-strip::-webkit-scrollbar { display: none; }
  .stat-block { flex: 0 0 auto; }
  
  .stat-divider { display: none; }
}