/* ==========================================================================
   CHRISTECK.COM — MAIN DESIGN SYSTEM & THEME TOKENS
   ========================================================================== */

:root {
  /* Color Palette - Deep Cyber & Quantum Slate */
  --bg-deep: #050711;
  --bg-surface: #0B0E20;
  --bg-card: rgba(15, 20, 42, 0.7);
  --bg-card-hover: rgba(22, 30, 62, 0.9);
  --bg-glass: rgba(255, 255, 255, 0.03);
  --bg-glass-active: rgba(99, 102, 241, 0.15);

  --accent-cyan: #00F0FF;
  --accent-blue: #38BDF8;
  --accent-indigo: #6366F1;
  --accent-violet: #8B5CF6;
  --accent-purple: #A855F7;
  --accent-emerald: #10B981;
  --accent-rose: #F43F5E;
  --accent-amber: #F59E0B;

  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --text-dark: #475569;

  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(99, 102, 241, 0.35);
  --border-cyan-glow: rgba(0, 240, 255, 0.35);

  --glow-indigo: 0 0 40px rgba(99, 102, 241, 0.25);
  --glow-cyan: 0 0 35px rgba(0, 240, 255, 0.25);
  --shadow-card: 0 20px 40px -15px rgba(0, 0, 0, 0.7);
  --shadow-hover: 0 30px 60px -20px rgba(99, 102, 241, 0.3);

  --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  --transition-fast: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  background-image: 
    radial-gradient(circle at 10% 15%, rgba(99, 102, 241, 0.14) 0%, transparent 40%),
    radial-gradient(circle at 90% 45%, rgba(0, 240, 255, 0.1) 0%, transparent 45%),
    radial-gradient(circle at 45% 85%, rgba(168, 85, 247, 0.1) 0%, transparent 50%);
  background-attachment: fixed;
}

/* Background Cyber Grid */
.bg-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-size: 60px 60px;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  pointer-events: none;
  z-index: 0;
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* Typography Utilities */
.gradient-text {
  background: linear-gradient(135deg, #FFFFFF 20%, var(--accent-cyan) 65%, var(--accent-indigo) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text-purple {
  background: linear-gradient(135deg, #FFFFFF 20%, var(--accent-purple) 65%, var(--accent-indigo) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Section Header Standards */
.section-header {
  text-align: center;
  margin-bottom: 60px;
  position: relative;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent-cyan);
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.25);
  padding: 5px 14px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 720px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Bilingual Language Toggling */
body.lang-en .es-only { display: none !important; }
body.lang-es .en-only { display: none !important; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 26px;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition-smooth);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-indigo) 0%, #4F46E5 50%, var(--accent-cyan) 100%);
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 35px rgba(99, 102, 241, 0.6);
}

.btn-secondary {
  background: var(--bg-glass);
  border-color: var(--border-glass);
  color: var(--text-primary);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
  box-shadow: var(--glow-cyan);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
}