/* Destro Sec V2.0 — Design Tokens */
/* Google Fonts are loaded via <link> in index.html for better performance (avoids render-blocking @import) */

:root {
  /* Brand */
  --color-brand: #ff6b35;
  --color-brand-light: #ff8f65;
  --color-brand-dark: #e5521c;
  --color-brand-rgb: 255, 107, 53;

  /* Surfaces */
  --color-bg-base: #0d0d0f;
  --color-bg-surface: #141418;
  --color-bg-elevated: #1e1e24;

  /* Text */
  --color-text-primary: #e8e8ec;
  --color-text-secondary: #9090a0;
  --color-text-muted: #5a5a6a;

  /* Border */
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-strong: rgba(255, 255, 255, 0.14);

  /* Verticals */
  --color-security: #e63946;
  --color-security-rgb: 230, 57, 70;
  --color-software: #3a86ff;
  --color-software-rgb: 58, 134, 255;
  --color-education: #ffbe0b;
  --color-education-rgb: 255, 190, 11;

  /* Status */
  --color-success: #06d6a0;
  --color-warning: #ffbe0b;
  --color-error: #e63946;
  --color-overlay: rgba(13, 13, 15, 0.85);

  /* Type */
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  --text-display: clamp(56px, 8vw, 96px);
  --text-h1: clamp(40px, 5vw, 56px);
  --text-h2: clamp(32px, 4vw, 44px);
  --text-h3: clamp(24px, 3vw, 32px);
  --text-h4: 24px;
  --text-lead: 20px;
  --text-body: 16px;
  --text-small: 14px;
  --text-caption: 12px;

  /* Space (8pt) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;
  --space-10: 128px;

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-brand: 0 0 40px rgba(255, 107, 53, 0.2);

  /* Motion */
  --duration-fast: 120ms;
  --duration-base: 200ms;
  --duration-slow: 300ms;
  --duration-entrance: 400ms;
  --ease-standard: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-enter: cubic-bezier(0, 0, 0.2, 1);
  --ease-exit: cubic-bezier(0.4, 0, 1, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Glow intensity (tweakable) */
  --glow-intensity: 1;
  --accent-intensity: 1;

  /* Layout */
  --max-w: 1280px;
  --max-w-text: 960px;
  --nav-h: 72px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--color-bg-base);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Subtle noise overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.025;
  background-image: url("data:image/svg+xml;utf8,<svg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
  line-height: 1.1;
}

a { color: var(--color-brand); text-decoration: none; transition: color var(--duration-base) var(--ease-standard); }
a:hover { color: var(--color-brand-light); }

button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

@media (min-width: 768px) {
  .container { padding: 0 var(--space-7); }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 14px 24px;
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.01em;
  cursor: pointer;
  transition: all var(--duration-base) var(--ease-standard);
  white-space: nowrap;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--color-brand);
  color: #0d0d0f;
}
.btn-primary:hover {
  background: var(--color-brand-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-brand);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text-primary);
  border-color: var(--color-border-strong);
}
.btn-secondary:hover {
  border-color: var(--color-brand);
  color: var(--color-brand);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
}
.btn-ghost:hover {
  color: var(--color-text-primary);
}

.btn-lg { padding: 18px 32px; font-size: 16px; }
.btn-sm { padding: 10px 16px; font-size: 13px; }

/* Chip */
.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 6px 12px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 500;
  font-family: var(--font-display);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
}
.chip .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: currentColor;
}
.chip.security { color: var(--color-security); border-color: rgba(var(--color-security-rgb), 0.3); }
.chip.software { color: var(--color-software); border-color: rgba(var(--color-software-rgb), 0.3); }
.chip.education { color: var(--color-education); border-color: rgba(var(--color-education-rgb), 0.3); }

/* Section */
section { position: relative; padding: var(--space-10) 0; }
@media (max-width: 768px) { section { padding: var(--space-8) 0; } }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-brand);
  margin-bottom: var(--space-4);
  display: inline-block;
}

.lead {
  font-size: var(--text-lead);
  color: var(--color-text-secondary);
  line-height: 1.6;
  max-width: 68ch;
}

/* Glass */
.glass {
  background: rgba(20, 20, 24, 0.6);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 600ms var(--ease-enter), transform 600ms var(--ease-enter);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

[data-no-scroll-anim] .reveal {
  opacity: 1 !important;
  transform: none !important;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* Focus */
*:focus-visible {
  outline: 2px solid var(--color-brand);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Utility */
.mono { font-family: var(--font-mono); }
.text-secondary { color: var(--color-text-secondary); }
.text-muted { color: var(--color-text-muted); }
.text-brand { color: var(--color-brand); }