/* ==========================================================================
   CLOUDS DANCE STUDIO — 2026 Master Design System
   High-End Contemporary Dance Academy & Creative Hub
   ========================================================================== */

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

:root {
  /* 2026 Architectural Color System */
  --bg-obsidian: #0A0908;
  --bg-dark: #121110;
  --bg-dark-alt: #181716;
  --surface-dark: #1E1C1A;
  --surface-dark-elevated: #242220;

  --bg-light: #FAF7F2;
  --bg-light-alt: #F0EAE1;
  --surface-light: #FFFFFF;
  --surface-light-card: #F5EFEB;

  /* Typography Colors */
  --text-dark-primary: #171513;
  --text-dark-secondary: #5E584F;
  --text-dark-muted: #8E867B;
  
  --text-light-primary: #FAF8F5;
  --text-light-secondary: #B8B1A5;
  --text-light-muted: #7E776D;

  /* Clouds Brand Gold / Warm Amber (Strictly Controlled Accent) */
  --accent: #E5A910;
  --accent-hover: #F2BA24;
  --accent-dark: #BF8B05;
  --accent-soft: rgba(229, 169, 16, 0.12);
  --accent-border: rgba(229, 169, 16, 0.35);
  --accent-glow: rgba(229, 169, 16, 0.2);

  /* Functional WhatsApp Color */
  --whatsapp: #25D366;
  --whatsapp-hover: #1EBE5B;

  /* Crisp Architectural Borders */
  --border-light: #E4DDD1;
  --border-light-strong: #CFC5B4;
  --border-dark: rgba(255, 255, 255, 0.08);
  --border-dark-strong: rgba(255, 255, 255, 0.18);
  --border-dark-glow: rgba(229, 169, 16, 0.3);

  /* Unified 2026 Editorial Typography */
  --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spatial Scale */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;
  --space-6: 48px;
  --space-7: 64px;
  --space-8: 96px;
  --space-9: 128px;

  --container-max: 1280px;
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 12px;
  --radius-pill: 9999px;

  /* Inertial Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --transition-fast: 0.18s var(--ease-out);
  --transition-smooth: 0.35s var(--ease-out);
  --transition-slow: 0.6s var(--ease-out);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--bg-obsidian);
  color: var(--text-light-primary);
  font-family: var(--font-sans);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "cv02", "cv03", "cv04", "cv11";
  font-variant-numeric: tabular-nums;
  position: relative;
}

/* Analog Noise Texture Overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.028;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* Selection */
::selection {
  background-color: var(--accent);
  color: #0A0908;
}

/* Layout Containers & Precision Alignment */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(20px, 4vw, 48px);
  padding-right: clamp(20px, 4vw, 48px);
}

.section {
  padding-top: clamp(72px, 8vw, 112px);
  padding-bottom: clamp(72px, 8vw, 112px);
  position: relative;
}

.section-dark {
  background-color: var(--bg-dark);
  color: var(--text-light-primary);
}

.section-dark-alt {
  background-color: var(--bg-dark-alt);
  color: var(--text-light-primary);
}

.section-obsidian {
  background-color: var(--bg-obsidian);
  color: var(--text-light-primary);
}

.section-light {
  background-color: var(--bg-light);
  color: var(--text-dark-primary);
}

.section-light-alt {
  background-color: var(--bg-light-alt);
  color: var(--text-dark-primary);
}

/* Harmonious Editorial Typography System */
h1, h2, h3, h4, .font-display {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

.font-serif, .font-editorial {
  font-family: var(--font-serif);
  font-weight: 600;
  letter-spacing: -0.015em;
}

p {
  text-wrap: pretty;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.0rem, 3.8vw, 3.0rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-3);
  text-transform: capitalize;
}

.section-subtitle {
  font-size: clamp(0.98rem, 1.4vw, 1.1rem);
  line-height: 1.65;
  max-width: 580px;
  font-weight: 400;
}

.section-light .section-subtitle,
.section-light-alt .section-subtitle {
  color: var(--text-dark-secondary);
}

.section-dark .section-subtitle,
.section-dark-alt .section-subtitle,
.section-obsidian .section-subtitle {
  color: var(--text-light-secondary);
}

/* Minimalist Editorial Section Tag */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-bottom: var(--space-3);
  color: var(--accent);
}

.section-label::before {
  content: '';
  display: inline-block;
  width: 16px;
  height: 1.5px;
  background-color: var(--accent);
}

/* 2026 Buttons with Tactile Press Feedback */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 13px 24px;
  font-family: var(--font-sans);
  font-size: 0.84rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-decoration: none;
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  white-space: nowrap;
  line-height: 1;
}

.btn:active {
  transform: scale(0.98);
}

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.btn-primary {
  background-color: var(--accent);
  color: #0A0908;
  border-color: var(--accent);
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #000000;
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-light-primary);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-1px);
}

.btn-dark {
  background-color: var(--text-dark-primary);
  color: #FAF8F5;
  border-color: var(--text-dark-primary);
}

.btn-dark:hover {
  background-color: #000000;
  transform: translateY(-1px);
}

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

.btn-outline-dark:hover {
  background-color: var(--text-dark-primary);
  color: #FAF8F5;
  border-color: var(--text-dark-primary);
}

.btn-whatsapp {
  background-color: var(--whatsapp);
  color: #ffffff;
  border-color: var(--whatsapp);
}

.btn-whatsapp:hover {
  background-color: var(--whatsapp-hover);
  border-color: var(--whatsapp-hover);
  transform: translateY(-1px);
}

.btn-sm {
  padding: 10px 18px;
  font-size: 0.76rem;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 0.9rem;
}

/* Smooth Scroll Reveal Observer Classes */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
  will-change: opacity, transform;
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* Reduced Motion Safety */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal-on-scroll {
    opacity: 1 !important;
    transform: none !important;
  }
}