/**
 * Hedaron.com - Base Styles
 * Global resets, typography, utilities
 */

/* ========================================
   MODERN CSS RESET
   ======================================== */

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  font-family: var(--font-mono);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  overflow-x: hidden;
  min-height: 100vh;
}

/* ========================================
   NOISE OVERLAY - Retro Effect
   ======================================== */

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: var(--z-noise);
  opacity: var(--noise-opacity);
}

/* ========================================
   TYPOGRAPHY
   ======================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: var(--font-weight-extrabold);
  line-height: var(--line-height-tight);
  letter-spacing: var(--letter-spacing-tight);
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }
h5 { font-size: var(--font-size-md); }
h6 { font-size: var(--font-size-base); }

p {
  margin-bottom: var(--space-4);
}

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

strong {
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--color-surface);
  padding: 0.2em 0.4em;
  border-radius: var(--radius-sm);
}

/* ========================================
   FORM ELEMENTS
   ======================================== */

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea, select {
  width: 100%;
  outline: none;
}

input::placeholder,
textarea::placeholder {
  color: var(--color-text-muted);
}

/* ========================================
   IMAGES & MEDIA
   ======================================== */

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

/* ========================================
   LISTS
   ======================================== */

ul, ol {
  list-style: none;
}

/* ========================================
   SCROLLBAR - Custom Cyberpunk Style
   ======================================== */

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--color-surface-2);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-surface-3);
}

/* Firefox */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--color-surface-2) var(--color-bg-primary);
}

/* ========================================
   SELECTION
   ======================================== */

::selection {
  background: var(--color-accent-primary);
  color: var(--color-bg-primary);
}

::-moz-selection {
  background: var(--color-accent-primary);
  color: var(--color-bg-primary);
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

/* Container */
.container {
  width: 100%;
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: var(--space-12);
}

@media (max-width: 768px) {
  .container {
    padding-inline: var(--space-6);
  }
}

/* Text Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--color-text-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-muted { color: var(--color-text-muted); }
.text-accent { color: var(--color-accent-primary); }

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

.uppercase { text-transform: uppercase; }
.lowercase { text-transform: lowercase; }
.capitalize { text-transform: capitalize; }

/* Display Utilities */
.block { display: block; }
.inline-block { display: inline-block; }
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }
.hidden { display: none; }

/* Flex Utilities */
.flex-row { flex-direction: row; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* Cursor */
.cursor-pointer { cursor: pointer; }
.cursor-not-allowed { cursor: not-allowed; }

/* Visibility */
.visible { opacity: 1; }
.invisible { opacity: 0; }

/* Position */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

/* Overflow */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-x-hidden { overflow-x: hidden; }
.overflow-y-auto { overflow-y: auto; }

/* ========================================
   ANIMATION UTILITIES
   ======================================== */

/* Fade In */
.fade-in {
  animation: fadeIn var(--duration-slow) var(--ease-out);
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Fade Up */
.fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--duration-slower) var(--ease-out),
              transform var(--duration-slower) var(--ease-out);
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Slide In */
.slide-in-left {
  animation: slideInLeft var(--duration-slow) var(--ease-bounce);
}

@keyframes slideInLeft {
  from {
    transform: translateX(-100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* Pulse */
.pulse {
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.3;
    transform: scale(0.8);
  }
}

/* Glow Pulse */
.glow-pulse {
  animation: glowPulse 2s ease-in-out infinite;
}

@keyframes glowPulse {
  0%, 100% {
    box-shadow: var(--glow-green);
  }
  50% {
    box-shadow: 0 0 5px rgba(200, 251, 90, 0.2);
  }
}

/* Glitch Effect */
.glitch {
  position: relative;
  animation: glitch 3s infinite;
}

@keyframes glitch {
  0%, 90%, 100% {
    transform: translate(0);
  }
  92% {
    transform: translate(var(--glitch-offset), 0);
  }
  94% {
    transform: translate(calc(var(--glitch-offset) * -1), 0);
  }
  96% {
    transform: translate(var(--glitch-offset), 0);
  }
}

/* ========================================
   FOCUS STATES - Accessibility
   ======================================== */

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--color-accent-primary);
  outline-offset: 2px;
}

/* ========================================
   RESPONSIVE HELPERS
   ======================================== */

@media (max-width: 768px) {
  .hide-mobile { display: none !important; }
}

@media (min-width: 769px) {
  .show-mobile { display: none !important; }
}

@media (max-width: 1024px) {
  .hide-tablet { display: none !important; }
}

@media (min-width: 1025px) {
  .show-tablet { display: none !important; }
}

/* ========================================
   SCREEN READER ONLY
   ======================================== */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}