@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@200;300;400;500;600;700;800;900&family=Outfit:wght@100;200;300;400;500;600;700;800;900&display=swap');

/**
 * ============================================================================
 * PREMIUM CORE DESIGN SYSTEM ($100M ARCHITECTURE)
 * ============================================================================
 * This system redefines the structural and kinetic behavior of the UI.
 * It enforces spatial dominance, extreme negative space, and volumetric depth.
 */

:root {
  /* Ultra-Premium Color Palette (Swiss Banking / Luxury Automotive) */
  --color-obsidian: #0b0c10;
  --color-obsidian-glass: rgba(11, 12, 16, 0.7);
  --color-deep-charcoal: #1f2833;
  --color-slate: #45a29e;
  --color-ice-white: #f8f9fa;
  --color-platinum: #c5c6c7;
  --color-metallic-gold: #d4af37;
  
  /* Semantic Variables */
  --bg-primary: var(--color-obsidian);
  --bg-secondary: var(--color-deep-charcoal);
  --text-primary: var(--color-ice-white);
  --text-secondary: var(--color-platinum);
  --accent-primary: var(--color-slate);
  --accent-luxury: var(--color-metallic-gold);

  /* Spatial Variables (Fluid Typography & Spacing) */
  --space-unit: clamp(0.5rem, 1vw + 0.5rem, 2rem);
  --space-xs: calc(var(--space-unit) * 0.5);
  --space-sm: var(--space-unit);
  --space-md: calc(var(--space-unit) * 2);
  --space-lg: calc(var(--space-unit) * 4);
  --space-xl: calc(var(--space-unit) * 8);

  /* Kinetic Timing & Curves */
  --transition-buttery: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-snappy: 0.3s cubic-bezier(0.25, 1, 0.5, 1);
  --transition-stagger: 0.1s;

  /* Volumetric Depth */
  --shadow-ambient: 0 20px 40px rgba(0, 0, 0, 0.5);
  --shadow-intense: 0 40px 80px rgba(0, 0, 0, 0.8);
  --glass-blur: blur(16px);
  --glass-border: 1px solid rgba(255, 255, 255, 0.05);
}

/* ==========================================
   RESET & FOUNDATION
   ========================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  border: none; /* Destroy legacy borders */
}

html, body {
  width: 100%;
  min-height: 100dvh;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Outfit', 'Cairo', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Custom Invisible Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-secondary);
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-primary);
}

/* ==========================================
   SPATIAL DOMINANCE (LAYOUTS)
   ========================================== */

/* The Boundless Grid */
.premium-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-md);
  width: 100%;
  max-width: 1920px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-lg);
}

/* Fluid Containers */
.premium-container {
  width: 100%;
  padding-inline: var(--space-lg);
  margin-inline: auto;
}

/* Data Grouping without Boxes (Spatial grouping) */
.premium-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: transparent;
}

/* Glassmorphism Layers */
.premium-glass {
  background: var(--color-obsidian-glass);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: 24px;
  box-shadow: var(--shadow-ambient);
}

/* ==========================================
   TYPOGRAPHY (THE HERO)
   ========================================== */
.text-hero {
  font-size: clamp(3rem, 8vw, 8rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--text-primary);
  text-transform: uppercase;
}

.text-title {
  font-size: clamp(2rem, 4vw, 4rem);
  font-weight: 600;
  line-height: 1.1;
  color: var(--text-primary);
}

.text-body-large {
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  font-weight: 300;
  color: var(--text-secondary);
}

.text-accent {
  color: var(--accent-luxury);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ==========================================
   KINETIC EMOTION (INTERACTIONS)
   ========================================== */

/* Magnetic Hover Items */
.premium-hover {
  transition: transform var(--transition-buttery), box-shadow var(--transition-buttery);
  will-change: transform;
}

.premium-hover:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-intense);
  z-index: 10;
}

/* Fluid Buttons */
.premium-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm) var(--space-lg);
  background: var(--text-primary);
  color: var(--bg-primary);
  font-weight: 600;
  border-radius: 100px;
  text-decoration: none;
  transition: all var(--transition-buttery);
  cursor: pointer;
  overflow: hidden;
  position: relative;
}

.premium-btn::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--accent-luxury);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-buttery);
  z-index: 1;
}

.premium-btn:hover::before {
  transform: scaleX(1);
  transform-origin: left;
}

.premium-btn span {
  position: relative;
  z-index: 2;
}

.premium-btn:hover span {
  color: var(--bg-primary);
}

/* Input Fields (Forms without borders) */
.premium-input {
  width: 100%;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-primary);
  padding: var(--space-md) var(--space-lg);
  border-radius: 16px;
  font-size: 1.2rem;
  font-family: inherit;
  transition: background var(--transition-snappy);
}
.premium-input:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.08);
}
.premium-input::placeholder {
  color: rgba(255, 255, 255, 0.2);
}