/* ============================================================================
   MAIN.CSS — Reset, Design Tokens (from Figma), Global Layout
   Source of truth: docs/02-tech-stack.md + Figma file QvNZVNTQS5aUMiAW4IG30C
   ============================================================================ */

/* ─── Design Tokens (Figma) ─────────────────────────────────────────────── */
:root {
  /* Colors */
  --color-black: #000000;
  --color-white: #FFFFFF;
  --color-white-50: rgba(255, 255, 255, 0.5);
  --color-orange: #FFBB00;
  --color-gray-text: #797979;
  --color-dark-line: #202020;
  --color-mid-line: #404040;
  --color-filter-inactive-bg: rgba(0, 0, 0, 0.56);
  --color-white-10: rgba(255, 255, 255, 0.1);
  --color-card-shadow: rgba(0, 0, 0, 0.29);
  --color-info-bg: rgba(0, 0, 0, 0.29);
  --color-tagline-bg: #D9D9D9;

  /* Typography — Google Fonts loaded in index.html */
  --font-oswald: 'Oswald', 'Arial Narrow', sans-serif;
  --font-onest: 'Onest', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-raleway: 'Raleway', -apple-system, sans-serif;
  --font-surfer: 'Original Surfer', cursive;
  --font-jura: 'Jura', sans-serif;

  /* Layout */
  --header-height: 114px;
  --design-width: 1920px;
  --marquee-item-width: 0px;
  --tagline-width: 0px;

  /* Breakpoints (for reference in @media queries) */
  --bp-desktop: 1920px;
  --bp-large: 1440px;
  --bp-tablet: 1024px;
  --bp-mobile: 768px;
  --bp-small: 480px;

  /* Z-index scale */
  --z-bg: 0;
  --z-content: 1;
  --z-lines: 2;
  --z-curve: 3;
  --z-wave: 3;
  --z-info: 4;
  --z-marquee: 5;
  --z-header: 1000;

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 300ms ease-in-out;
}

/* ─── CSS Reset ─────────────────────────────────────────────────────────── */
[hidden] { display: none !important; }

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  overflow-x: hidden;
  font-family: var(--font-onest);
  background-color: var(--color-black);
  color: var(--color-white);
  line-height: 1.4;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul,
ol {
  list-style: none;
}

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

input,
textarea,
select {
  font: inherit;
  color: inherit;
}

/* Removes default focus ring but keeps it for keyboard navigation */
:focus:not(:focus-visible) {
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--color-orange);
  outline-offset: 2px;
}

/* ─── Global Layout ─────────────────────────────────────────────────────── */
#app {
  width: 100%;
  background-color: var(--color-black);
  overflow-x: hidden;
}

.main {
  width: 100%;
}

.section {
  position: relative;
  width: 100%;
  max-width: 1920px;
  margin-left: auto;
  margin-right: auto;
  overflow: hidden;
  scroll-margin-top: var(--header-height);
}

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