/* RAMS TARGET GYM - 60fps / 120Hz Ultra-Smooth Hardware-Accelerated Design System */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Oswald:wght@500;600;700;800&display=swap');

:root {
  /* Color Palette - Clean White Aesthetic */
  --bg-main: #ffffff;
  --bg-section-alt: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-hover: #ffffff;
  
  /* Bold Red Accents */
  --accent-red: #e11d48;
  --accent-red-hover: #be123c;
  --accent-red-glow: rgba(225, 29, 72, 0.18);
  --accent-red-muted: rgba(225, 29, 72, 0.08);
  
  /* Text Colors */
  --text-main: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  
  /* Borders & Glass Filters */
  --border-light: #e2e8f0;
  --border-subtle: #f1f5f9;
  --border-red: rgba(225, 29, 72, 0.25);
  --glass-bg: rgba(255, 255, 255, 0.95);
  --glass-blur: blur(12px);
  
  /* Spacing & Layout */
  --nav-height: 76px;
  --container-max: 1200px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;

  /* Transitions & Hardware Accelerated Shadows */
  --transition-fast: 0.18s cubic-bezier(0.2, 0.8, 0.2, 1);
  --transition-smooth: 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
  
  --shadow-flat: 0 1px 3px rgba(15, 23, 42, 0.04);
  --shadow-card: 0 4px 20px -2px rgba(15, 23, 42, 0.06), 0 2px 6px -1px rgba(15, 23, 42, 0.03);
  --shadow-hover: 0 16px 32px -8px rgba(225, 29, 72, 0.15), 0 6px 16px -4px rgba(15, 23, 42, 0.04);
}

/* Reset & Box Sizing */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
  -webkit-overflow-scrolling: touch;
  transform: translate3d(0, 0, 0);
  backface-visibility: hidden;
}

/* Hardware Compositing & Rendering Optimization */
.card, .btn, .nav-menu, .whatsapp-float, .mobile-action-bar, .program-cat-btn, .stage-tab-btn, .gallery-item {
  transform: translate3d(0, 0, 0);
  backface-visibility: hidden;
  will-change: transform, opacity;
}

/* Typography Headings */
h1, h2, h3, h4, h5, h6, .font-heading {
  font-family: 'Oswald', 'Plus Jakarta Sans', sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-main);
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  content-visibility: auto;
}

/* Base Layout Containers */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: calc(1.25rem + env(safe-area-inset-left, 0px));
  padding-right: calc(1.25rem + env(safe-area-inset-right, 0px));
}

/* Section Wrapper Utilities */
.section {
  padding: 4.5rem 0;
  position: relative;
  contain: content;
}

.section-alt {
  background-color: var(--bg-section-alt);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3rem auto;
}

.section-tag {
  display: inline-block;
  font-family: 'Oswald', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent-red);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: 2.25rem;
  margin-bottom: 0.75rem;
  color: var(--text-main);
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

/* Button UI Components (GPU Accelerated) */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-family: 'Oswald', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.85rem 1.8rem;
  border-radius: 50px;
  border: 1px solid transparent;
  cursor: pointer;
  min-height: 44px;
  transition: transform var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
  transform: translateZ(0);
}

.btn-primary {
  background-color: var(--accent-red);
  color: #ffffff;
  box-shadow: 0 4px 14px var(--accent-red-glow);
}

.btn-primary:hover {
  background-color: var(--accent-red-hover);
  box-shadow: 0 6px 20px var(--accent-red-glow);
  transform: translate3d(0, -2px, 0);
}

.btn-primary:active {
  transform: translate3d(0, 0, 0) scale(0.98);
}

.btn-secondary {
  background-color: #ffffff;
  color: var(--text-main);
  border-color: var(--border-light);
  box-shadow: var(--shadow-flat);
}

.btn-secondary:hover {
  border-color: var(--accent-red);
  color: var(--accent-red);
  transform: translate3d(0, -2px, 0);
}

.btn-secondary:active {
  transform: translate3d(0, 0, 0) scale(0.98);
}

.btn-whatsapp {
  background-color: #25d366;
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.25);
}

.btn-whatsapp:hover {
  background-color: #22c55e;
  box-shadow: 0 6px 18px rgba(37, 211, 102, 0.35);
  transform: translate3d(0, -2px, 0);
}

.btn-whatsapp:active {
  transform: translate3d(0, 0, 0) scale(0.98);
}

.btn-sm {
  padding: 0.55rem 1.25rem;
  font-size: 0.85rem;
  min-height: 38px;
}

.btn-full {
  width: 100%;
}

/* Badge Component */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-red {
  background-color: var(--accent-red-muted);
  color: var(--accent-red);
  border: 1px solid var(--border-red);
}

/* Responsive Media Queries */
@media (max-width: 991px) {
  :root {
    --nav-height: 68px;
  }
  .section {
    padding: 3.5rem 0;
  }
  .section-title {
    font-size: 1.95rem;
  }
}

@media (max-width: 576px) {
  .section {
    padding: 3rem 0;
  }
  .section-title {
    font-size: 1.7rem;
  }
  .btn {
    padding: 0.75rem 1.4rem;
    font-size: 0.9rem;
  }
}