/* ========================================
   IKITAI — Brand Identity System
   Dark Japanese Horror Streetwear
   ======================================== */

:root {
  /* Core palette */
  --black: #0a0a0a;
  --black-deep: #050505;
  --black-soft: #111111;
  --grey-dark: #1a1a1a;
  --grey-mid: #2a2a2a;
  --grey-light: #8a8a8a;
  --grey-muted: #555555;
  --white: #f5f0eb;
  --white-pure: #ffffff;
  --bone: #e8e0d4;

  /* Accent — Blood Red */
  --red: #8b1a1a;
  --red-bright: #c41e1e;
  --red-glow: #ff2a2a;
  --red-dark: #5c0e0e;
  --red-muted: #6b2020;

  /* Typography */
  --font-display: 'Bebas Neue', 'Impact', sans-serif;
  --font-body: 'Inter', 'Helvetica Neue', sans-serif;
  --font-accent: 'Noto Serif JP', serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Spacing scale */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 4rem;
  --space-2xl: 8rem;

  /* Layout */
  --max-width: 1200px;
  --header-height: 72px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --duration-fast: 150ms;
  --duration-normal: 300ms;
  --duration-slow: 600ms;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background: var(--black);
  color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

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

ul, ol {
  list-style: none;
}

/* Selection */
::selection {
  background: var(--red);
  color: var(--white);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--black);
}
::-webkit-scrollbar-thumb {
  background: var(--grey-mid);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--red-muted);
}

/* Typography system */
.text-display {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  line-height: 0.95;
}

.text-kanji {
  font-family: var(--font-accent);
}

.text-body {
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.7;
  color: var(--grey-light);
}

.text-label {
  font-family: var(--font-body);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--grey-muted);
}

/* Utility */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

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