/* ==========================================================================
   OJAR UI — Bespoke Brütalist & İsviçre Teknik Tasarım Sistemi (tokens.css)
   Zero AI Slop. Warm Obsidian + Acid Chartreuse + Signal Vermilion.
   ========================================================================== */

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

:root {
  /* 1. Archetype 4 + 2 Hybrid: Warm Obsidian & Technical Precision */
  --bg-primary: #111110;
  --bg-elevated: #181816;
  --bg-surface: #20201D;
  --bg-inverse: #F5F3EC;

  --text-primary: #F5F3EC;
  --text-secondary: #A8A49B;
  --text-muted: #6E6B64;
  --text-inverse: #111110;

  --accent-primary: #D4F238;     /* Acid Chartreuse */
  --accent-secondary: #E03C1F;   /* Braun Signal Vermilion */
  --status-safe: #D4F238;
  --status-warn: #F59E0B;
  --status-danger: #E03C1F;

  --border-subtle: rgba(245, 243, 236, 0.13);
  --border-mid: rgba(245, 243, 236, 0.28);
  --border-strong: #F5F3EC;

  --radius-sm: 0px;
  --radius-md: 2px;

  /* 2. Verified Turkish (latin-ext) Typography */
  --font-display: 'Space Grotesk', 'Syne', sans-serif;
  --font-body: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* 3. Fluid Typographic Scale */
  --step--2: clamp(0.68rem, 0.65rem + 0.12vw, 0.76rem);
  --step--1: clamp(0.76rem, 0.73rem + 0.16vw, 0.86rem);
  --step-0: clamp(0.95rem, 0.92rem + 0.2vw, 1.0625rem);
  --step-1: clamp(1.15rem, 1.08rem + 0.4vw, 1.4rem);
  --step-2: clamp(1.45rem, 1.25rem + 0.95vw, 2.1rem);
  --step-3: clamp(1.85rem, 1.5rem + 1.8vw, 3.1rem);
  --step-4: clamp(2.35rem, 1.8rem + 2.9vw, 4.4rem);

  /* 4. Fluid Spacing & Architectural Tokens */
  --space-2xs: clamp(0.35rem, 0.3rem + 0.15vw, 0.5rem);
  --space-xs: clamp(0.6rem, 0.5rem + 0.25vw, 0.85rem);
  --space-sm: clamp(0.9rem, 0.8rem + 0.4vw, 1.25rem);
  --space-md: clamp(1.4rem, 1.15rem + 1vw, 2.25rem);
  --space-lg: clamp(2.4rem, 1.9rem + 2.2vw, 4rem);
  --space-xl: clamp(3.6rem, 2.8rem + 4vw, 6.5rem);

  --container-max: 1440px;
  --gutter: clamp(1.15rem, 3.2vw, 3.25rem);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

html {
  font-size: 100%;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

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

input, button, textarea, select {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
}

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

ul, ol {
  list-style: none;
}

/* ==========================================================================
   TYPOGRAPHY & EDITORIAL HIERARCHY
   ========================================================================== */

h1, h2, h3, h4, .display-text {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

h1 { font-size: var(--step-4); }
h2 { font-size: var(--step-3); }
h3 { font-size: var(--step-2); }
h4 { font-size: var(--step-1); }

p {
  max-width: 66ch;
  text-wrap: pretty;
}

.eyebrow, .index-num, .mono {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
}

.icon-svg {
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
  transition: transform 0.25s var(--ease-out-expo);
}

/* ==========================================================================
   TACTILE GRAIN & REVEAL ANIMATIONS
   ========================================================================== */

.grain-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.032;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.65s var(--ease-out-expo), transform 0.65s var(--ease-out-expo);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}