/* ===========================
   Cicloar - Premium Styles
   Ultra-premium industrial cleantech aesthetic
   =========================== */

/* Extended Color System */
:root {
  /* Primary palette */
  --cicloar-deep: #0f172a;
  --cicloar-main: #0f3a2a;
  --cicloar-mid: #1b5e20;
  --cicloar-forest: #14532d;
  --cicloar-accent: #a3e635;
  
  /* Extended neutrals */
  --cicloar-slate-50: #f8fafc;
  --cicloar-slate-100: #f1f5f9;
  --cicloar-slate-200: #e2e8f0;
  --cicloar-slate-300: #cbd5e1;
  --cicloar-slate-600: #475569;
  --cicloar-slate-700: #334155;
  --cicloar-slate-800: #1e293b;
  --cicloar-slate-900: #0f172a;
  
  /* Opacity tokens */
  --cicloar-stroke: rgba(255,255,255,0.12);
  --cicloar-overlay: rgba(15,23,42,0.6);
  
  /* Glass morphism */
  --glass-bg: rgba(255,255,255,0.08);
  --glass-border: rgba(255,255,255,0.15);
  --glass-blur: blur(12px);
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0,0,0,0.25);
  
  /* Spacing & sizing */
  --logo-size: 32px;
  --nav-height: 72px;
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Typography refinements */
body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: 'kern' 1, 'liga' 1;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Sora', 'Inter', sans-serif;
  letter-spacing: -0.02em;
  font-weight: 700;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); line-height: 1.1; }
h2 { font-size: clamp(2rem, 4vw, 3rem); line-height: 1.2; }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); line-height: 1.3; }

/* Enhanced card hover with 3D tilt */
.card-luxury {
  position: relative;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  transform-style: preserve-3d;
  will-change: transform;
}

.card-luxury:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-2xl);
}

@media (hover: hover) {
  .card-luxury:hover {
    transform: translateY(-8px) scale(1.02) rotateX(2deg);
  }
}

/* Button ripple effect */
.btn-ripple {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.btn-ripple::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, transparent 70%);
  opacity: 0;
  transition: opacity var(--transition-fast);
  pointer-events: none;
}

.btn-ripple:active::after {
  opacity: 1;
}

/* Glass morphism utilities */
.glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
}

.glass-dark {
  background: rgba(15,23,42,0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.1);
}

/* Premium gradient mesh background */
.hero-mesh {
  position: absolute;
  inset: 0;
  background: 
    linear-gradient(135deg, var(--cicloar-main) 0%, var(--cicloar-forest) 55%, var(--cicloar-deep) 100%);
  overflow: hidden;
}

.hero-mesh::before,
.hero-mesh::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.3;
  animation: float 20s ease-in-out infinite;
}

.hero-mesh::before {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--cicloar-accent) 0%, transparent 70%);
  top: -200px;
  right: -100px;
  animation-delay: -5s;
}

.hero-mesh::after {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(27,94,32,0.8) 0%, transparent 70%);
  bottom: -150px;
  left: -100px;
  animation-delay: -10s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.1); }
  66% { transform: translate(-30px, 30px) scale(0.9); }
}

/* Smooth number counter */
.counter {
  font-variant-numeric: tabular-nums;
  font-feature-settings: 'tnum' 1;
}

/* Scroll-triggered fade in */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Parallax layer */
.parallax {
  will-change: transform;
  transition: transform 0.1s ease-out;
}

/* Premium focus states */
*:focus-visible {
  outline: 2px solid var(--cicloar-accent);
  outline-offset: 4px;
  border-radius: 4px;
}

/* Enhanced nav blur */
nav {
  backdrop-filter: blur(12px) saturate(180%);
  -webkit-backdrop-filter: blur(12px) saturate(180%);
  transition: background-color var(--transition-base), box-shadow var(--transition-base);
}

nav.scrolled {
  background: rgba(255,255,255,0.95);
  box-shadow: var(--shadow-lg);
}

/* Sticky CTA reveal */
.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  transform: translateY(100%);
  transition: transform var(--transition-base);
  z-index: 40;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--cicloar-slate-200);
  box-shadow: 0 -4px 12px rgba(0,0,0,0.08);
}

.sticky-cta.visible {
  transform: translateY(0);
}

/* Client logo grid */
.logo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 2rem;
  align-items: center;
  justify-items: center;
}

.logo-grid img {
  max-width: 100%;
  height: auto;
  opacity: 0.6;
  filter: grayscale(100%);
  transition: opacity var(--transition-base), filter var(--transition-base);
}

.logo-grid img:hover {
  opacity: 1;
  filter: grayscale(0%);
}

/* Testimonial card */
.testimonial {
  position: relative;
  padding: 2rem;
  background: white;
  border-radius: 1.5rem;
  border: 1px solid var(--cicloar-slate-200);
  box-shadow: var(--shadow-md);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.testimonial:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

.testimonial::before {
  content: '"';
  position: absolute;
  top: 1rem;
  left: 1.5rem;
  font-size: 4rem;
  line-height: 1;
  color: var(--cicloar-accent);
  opacity: 0.2;
  font-family: Georgia, serif;
}

/* Comparison slider */
.comparison-slider {
  position: relative;
  overflow: hidden;
  border-radius: 1rem;
  cursor: ew-resize;
}

.comparison-slider img {
  display: block;
  width: 100%;
  height: auto;
}

.comparison-slider .after {
  position: absolute;
  top: 0;
  left: 0;
  width: 50%;
  height: 100%;
  overflow: hidden;
}

.comparison-slider .slider-handle {
  position: absolute;
  top: 0;
  left: 50%;
  width: 4px;
  height: 100%;
  background: var(--cicloar-accent);
  transform: translateX(-50%);
  z-index: 10;
}

.comparison-slider .slider-handle::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 48px;
  height: 48px;
  background: var(--cicloar-accent);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

/* Progress bar for stats */
.progress-bar {
  position: relative;
  height: 8px;
  background: var(--cicloar-slate-200);
  border-radius: 4px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--cicloar-mid) 0%, var(--cicloar-accent) 100%);
  border-radius: 4px;
  transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
  width: 0;
}

.progress-bar-fill.animate {
  width: var(--progress, 100%);
}

/* Badge system */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 600;
  border: 1px solid;
}

.badge-primary {
  background: var(--cicloar-mid);
  color: white;
  border-color: var(--cicloar-mid);
}

.badge-accent {
  background: var(--cicloar-accent);
  color: var(--cicloar-slate-900);
  border-color: var(--cicloar-accent);
}

.badge-outline {
  background: transparent;
  color: var(--cicloar-slate-700);
  border-color: var(--cicloar-slate-300);
}

/* Loading state */
.loading {
  position: relative;
  pointer-events: none;
  opacity: 0.6;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid var(--cicloar-accent);
  border-radius: 50%;
  border-top-color: transparent;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Toast notification */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  max-width: 400px;
  padding: 1rem 1.5rem;
  background: white;
  border-radius: 1rem;
  box-shadow: var(--shadow-2xl);
  border: 1px solid var(--cicloar-slate-200);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-base), transform var(--transition-base);
  z-index: 1000;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.toast.success {
  border-left: 4px solid var(--cicloar-accent);
}

.toast.error {
  border-left: 4px solid #ef4444;
}

/* 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;
  }
  
  .parallax {
    transform: none !important;
  }
  
  .hero-mesh::before,
  .hero-mesh::after {
    animation: none;
  }
}

/* Print styles */
@media print {
  .no-print,
  nav,
  .sticky-cta,
  button {
    display: none !important;
  }
}

/* High contrast mode */
@media (prefers-contrast: high) {
  :root {
    --cicloar-accent: #b8f540;
  }
  
  .glass,
  .glass-dark {
    background: white;
    border: 2px solid black;
  }
}