/* ===== CUSTOM VARIABLES ===== */
:root {
  --color-gym-primary: #ff6b35;
  --color-gym-secondary: #f7931e;
  --color-gym-accent: #ff4500;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  overflow-x: hidden;
}

/* ===== GLASS EFFECTS ===== */
.glass-card {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

/* ===== GRADIENTS ===== */
.bg-gradient-gym {
  background: linear-gradient(135deg, var(--color-gym-primary) 0%, var(--color-gym-secondary) 100%);
}

.text-gradient-gym {
  background: linear-gradient(135deg, var(--color-gym-primary) 0%, var(--color-gym-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== SHADOWS ===== */
.shadow-glow-gym {
  box-shadow: 0 0 40px rgba(255, 107, 53, 0.4),
              0 10px 30px rgba(0, 0, 0, 0.5);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulseSlow {
  0%, 100% {
    opacity: 0.4;
    transform: scale(1);
  }
  50% {
    opacity: 0.6;
    transform: scale(1.05);
  }
}

.fade-in {
  animation: fadeIn 0.8s ease-out forwards;
}

.fade-in-up {
  animation: fadeInUp 0.8s ease-out forwards;
  animation-fill-mode: both;
}

.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }
.delay-1000 { animation-delay: 1s; }

.animate-pulse-slow {
  animation: pulseSlow 4s ease-in-out infinite;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: #000;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(135deg, var(--color-gym-primary) 0%, var(--color-gym-secondary) 100%);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-gym-primary);
}

/* ===== HEADER SCROLL ===== */
#header.scrolled {
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* ===== FOCUS STATES ===== */
button:focus,
a:focus {
  outline: 2px solid var(--color-gym-primary);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.2);
  border-color: var(--color-gym-primary);
}

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

/* ===== RESPONSIVE UTILITIES ===== */
@media (max-width: 768px) {
  .text-5xl { font-size: 2.5rem; }
  .text-6xl { font-size: 3rem; }
  .text-7xl { font-size: 3.5rem; }
}