/* ==========================================================================
   PETCH PettyRock Official Platform - Final Premium Polish Design Tokens
   Inspired by Apple, Porsche, Fractal Audio, Neural DSP, MasterClass
   ========================================================================== */

:root {
  /* Official Color Palette Tokens */
  --bg-obsidian: #050505;
  --bg-carbon: #101114;
  --panel-gunmetal: #181A20;
  --card-titanium: #22252D;
  
  --accent-gold-primary: #C7A96B;
  --accent-gold-soft: #D8BE82;
  --accent-gold-glow: rgba(199, 169, 107, 0.22);
  --accent-blue-interactive: #4FC3FF;
  --color-danger: #D7263D;

  --text-white: #FFFFFF;
  --text-secondary: #D9D9D9;
  --text-muted: #999999;
  
  --border-glass: rgba(199, 169, 107, 0.18);
  --border-panel: rgba(255, 255, 255, 0.07);

  /* Luxury Gradients */
  --gradient-gold: linear-gradient(135deg, #C7A96B 0%, #E2C98A 50%, #C7A96B 100%);
  --gradient-gold-subtle: linear-gradient(135deg, rgba(199, 169, 107, 0.15) 0%, rgba(216, 190, 130, 0.03) 100%);
  --gradient-hero-overlay: radial-gradient(circle at 50% 30%, rgba(199, 169, 107, 0.1) 0%, transparent 55%), linear-gradient(180deg, rgba(5, 5, 5, 0.35) 0%, rgba(5, 5, 5, 0.88) 75%, #050505 100%);
  --gradient-card: linear-gradient(145deg, rgba(34, 37, 45, 0.75) 0%, rgba(24, 26, 32, 0.85) 100%);

  /* Typography */
  --font-heading: 'Bebas Neue', 'Oswald', sans-serif;
  --font-body: 'Inter', 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Fira Code', monospace;

  /* Layered Shadows (Apple / Porsche Precision Depth) */
  --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-card: 0 24px 48px -12px rgba(0, 0, 0, 0.75), 0 0 1px 1px rgba(199, 169, 107, 0.12), inset 0 1px 1px rgba(255, 255, 255, 0.08);
  --shadow-gold-glow: 0 12px 32px rgba(199, 169, 107, 0.22), 0 0 80px rgba(199, 169, 107, 0.08);

  /* Radii & Restrained Easing Transitions */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --transition-smooth: all 0.38s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--bg-obsidian);
  color: var(--text-white);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  background-color: var(--bg-obsidian);
  line-height: 1.7;
}

/* Typography Hierarchy with Restrained Spacing */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  letter-spacing: 0.06em;
  font-weight: 700;
  color: var(--text-white);
  text-transform: uppercase;
}

h1 { font-size: clamp(3.8rem, 8vw, 6rem); line-height: 0.92; }
h2 { font-size: clamp(2.2rem, 5vw, 3.5rem); line-height: 1.02; }
h3 { font-size: clamp(1.5rem, 2.8vw, 2.2rem); line-height: 1.12; }
h4 { font-size: clamp(1.15rem, 2vw, 1.45rem); line-height: 1.22; }

p {
  color: var(--text-secondary);
  font-size: 1.02rem;
  font-weight: 400;
  letter-spacing: 0.01em;
}

a {
  color: var(--accent-gold-primary);
  text-decoration: none;
  transition: var(--transition-smooth);
}

a:hover {
  color: var(--accent-gold-soft);
}

/* Grid & Layout Utilities */
.container {
  width: 100%;
  max-width: 1380px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-padding {
  padding: 7rem 0;
}

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

.section-carbon {
  background-color: var(--bg-carbon);
  border-top: 1px solid var(--border-panel);
  border-bottom: 1px solid var(--border-panel);
}

.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 4.5rem auto;
}

.section-title {
  margin-top: 0.6rem;
  margin-bottom: 0.9rem;
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-subtitle {
  font-size: 1.08rem;
  color: var(--text-muted);
  font-weight: 400;
}

/* Glassmorphism Panels & Cards */
.glass-panel {
  background: rgba(24, 26, 32, 0.55);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}

.glass-card {
  background: var(--gradient-card);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  transition: var(--transition-smooth);
  overflow: hidden;
  position: relative;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.15) 50%, transparent 100%);
}

.glass-card:hover {
  transform: translateY(-6px);
  border-color: rgba(199, 169, 107, 0.35);
  box-shadow: 0 30px 60px -12px rgba(0, 0, 0, 0.8), var(--shadow-gold-glow);
}

/* Badges */
.badge-gold {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.38rem 0.95rem;
  background: rgba(199, 169, 107, 0.12);
  border: 1px solid rgba(199, 169, 107, 0.3);
  color: var(--accent-gold-soft);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.badge-live {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.38rem 0.95rem;
  background: rgba(79, 195, 255, 0.12);
  border: 1px solid rgba(79, 195, 255, 0.3);
  color: var(--accent-blue-interactive);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}