/* ==========================================================================
   MNI Corp — Core Design System & Theme
   Advanced Chemical Processing & Molecular Mineral Extraction Technology
   ========================================================================== */

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

:root {
  /* Brand Colors from Official MNI Identity */
  --mni-red: #EC2127;
  --mni-red-bright: #FF383F;
  --mni-red-glow: rgba(236, 33, 39, 0.35);
  --mni-red-soft: rgba(236, 33, 39, 0.12);
  --mni-red-subtle: rgba(236, 33, 39, 0.05);

  --mni-slate: #77787B;
  --mni-slate-light: #9DA3AE;
  --mni-slate-dark: #4A4D54;

  /* Elemental & Metallurgy Accents */
  --accent-gold: #F59E0B;
  --accent-gold-glow: rgba(245, 158, 11, 0.25);
  --accent-cyan: #06B6D4;
  --accent-cyan-glow: rgba(6, 182, 212, 0.25);
  --accent-emerald: #10B981;
  --accent-emerald-glow: rgba(16, 185, 129, 0.25);
  --accent-purple: #8B5CF6;

  /* Surface & Background Architecture */
  --bg-space: #07080B;
  --bg-deep: #0C0E14;
  --bg-surface: #12151D;
  --bg-surface-elevated: #181C26;
  --bg-surface-glass: rgba(18, 21, 29, 0.75);

  --border-subtle: rgba(255, 255, 255, 0.07);
  --border-medium: rgba(255, 255, 255, 0.14);
  --border-bright: rgba(255, 255, 255, 0.25);
  --border-red: rgba(236, 33, 39, 0.4);

  /* Typography */
  --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', Courier, monospace;

  /* Text Colors */
  --text-primary: #FFFFFF;
  --text-secondary: #CBD5E1;
  --text-muted: #94A3B8;
  --text-dim: #64748B;

  /* Shadows & Elevations */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.6);
  --shadow-glow-red: 0 0 30px rgba(236, 33, 39, 0.25);
  --shadow-glow-cyan: 0 0 30px rgba(6, 182, 212, 0.25);

  /* Transitions */
  --ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 150ms ease;
  --transition-normal: 250ms var(--ease-spring);
  --transition-slow: 400ms var(--ease-spring);

  /* Layout */
  --container-max: 1240px;
  --header-height: 80px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
  background-color: var(--bg-space);
  color: var(--text-primary);
  font-family: var(--font-body);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  background: 
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(236, 33, 39, 0.12), transparent 70%),
    radial-gradient(circle at 90% 20%, rgba(6, 182, 212, 0.05), transparent 40%),
    radial-gradient(circle at 10% 60%, rgba(245, 158, 11, 0.04), transparent 40%),
    var(--bg-space);
}

/* Atmospheric Background Grid & Glows */
.bg-ambient-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  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);
  background-size: 60px 60px;
  mask-image: radial-gradient(circle at 50% 50%, black, transparent 85%);
}

/* Typography Presets */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

p {
  color: var(--text-secondary);
  line-height: 1.65;
  font-size: 1.05rem;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

/* Container Structure */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.section {
  position: relative;
  z-index: 1;
  padding: 6.5rem 0;
}

.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 4rem auto;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  border-radius: 9999px;
  background: var(--mni-red-soft);
  border: 1px solid var(--border-red);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--mni-red-bright);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.25rem;
}

.section-badge::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--mni-red-bright);
  box-shadow: 0 0 8px var(--mni-red-bright);
}

.section-title {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  margin-bottom: 1.25rem;
}

.section-desc {
  font-size: 1.125rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* Buttons & Interactive Elements */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.75rem;
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--mni-red);
  color: #FFFFFF;
  box-shadow: 0 4px 18px rgba(236, 33, 39, 0.4);
}

.btn-primary:hover {
  background: var(--mni-red-bright);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(236, 33, 39, 0.55);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
  border-color: var(--border-medium);
  backdrop-filter: blur(12px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--border-bright);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.88rem;
}

/* Glassmorphic Surfaces */
.glass-card {
  background: var(--bg-surface-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.glass-card:hover {
  border-color: var(--border-medium);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.glass-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.18), transparent);
}

/* Text Highlights */
.gradient-text-red {
  background: linear-gradient(135deg, #FFFFFF 30%, #FF6B70 70%, var(--mni-red) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text-gold {
  background: linear-gradient(135deg, #FFFFFF 40%, var(--accent-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.mono {
  font-family: var(--font-mono);
}