/* ==================================================================
   Bull Run Factory — Design System (base.css)
   Dark, premium, crypto-native. Every shared primitive lives here:
   tokens, type scale, buttons, cards, pills, chips, marquee, reveal
   animations, forms and a handful of global utilities. Section
   partials consume these classes — this file is not to be redefined
   by section-level stylesheets.
   ================================================================== */

/* 0. Reset-lite */
*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
}

html,
body {
  height: 100%;
}

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

ul,
ol {
  list-style: none;
  padding: 0;
  margin: 0;
}

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

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

button {
  background: none;
  border: 0;
  cursor: pointer;
}

table {
  border-collapse: collapse;
}

/* 1. Design tokens */
:root {
  /* Surfaces */
  --bg: #06080A;
  --bg-2: #0A0E12;
  --panel: #0E141A;
  --panel-2: #121A22;
  --line: rgba(255, 255, 255, .08);

  /* Text */
  --text: #F2F6F4;
  --muted: #9AA8B2;

  /* Accents */
  --green: #34F5A2;
  --green-2: #0FD977;
  --gold: #F5C24B;
  --gold-2: #FFDF8A;
  --grad-accent: linear-gradient(92deg, #34F5A2, #C6FF6E 50%, #F5C24B);

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

  --h1: clamp(44px, 7.2vw, 92px);
  --h2: clamp(32px, 4.6vw, 54px);

  /* Shape */
  --radius: 18px;
  --radius-lg: 28px;

  /* Motion */
  --ease: cubic-bezier(.16, 1, .3, 1);
}

/* 2. Base document */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font: 400 16px/1.65 var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Fixed backdrop as its own composited layer — background-attachment:fixed
   repaints the whole page background on every scroll frame on macOS and
   flashes black during fast scrolls. */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  transform: translateZ(0);
  background-color: var(--bg);
  background-image:
    radial-gradient(900px at 12% -8%, rgba(52, 245, 162, .10), transparent 60%),
    radial-gradient(800px at 88% 12%, rgba(245, 194, 75, .07), transparent 60%),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, .025) 0px, rgba(255, 255, 255, .025) 1px, transparent 1px, transparent 64px),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, .025) 0px, rgba(255, 255, 255, .025) 1px, transparent 1px, transparent 64px);
  background-repeat: no-repeat, no-repeat, repeat, repeat;
}

::selection {
  background: var(--green);
  color: #05231A;
}

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

/* Thin, dark scrollbar */
html {
  scrollbar-width: thin;
  scrollbar-color: var(--panel-2) var(--bg);
}
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg);
}
::-webkit-scrollbar-thumb {
  background: var(--panel-2);
  border-radius: 999px;
  border: 2px solid var(--bg);
}

/* 3. Layout primitives */
.container {
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: 24px;
}

.section {
  padding-block: clamp(72px, 10vw, 128px);
}

.section-sm {
  padding-block: clamp(36px, 5vw, 64px);
}

.section-head {
  max-width: 760px;
  margin-inline: auto;
  margin-bottom: 56px;
  text-align: center;
}

.section-head .lead {
  margin-top: 16px;
  margin-inline: auto;
}

.grid {
  display: grid;
  gap: 24px;
}

/* 4. Eyebrow label */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font: 600 12px/1 var(--font-mono);
  text-transform: uppercase;
  letter-spacing: .18em;
  color: var(--green);
  margin-bottom: 18px;
}

.eyebrow::before {
  content: '';
  width: 24px;
  height: 2px;
  border-radius: 2px;
  background: var(--grad-accent);
}

/* 5. Type */
.h1 {
  font: 700 var(--h1) / 1.02 var(--font-display);
  letter-spacing: -0.03em;
  color: var(--text);
}

.h2 {
  font: 700 var(--h2) / 1.08 var(--font-display);
  letter-spacing: -0.02em;
  color: var(--text);
}

.grad-text {
  background: var(--grad-accent);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead {
  font: 400 18px/1.6 var(--font-body);
  color: var(--muted);
  max-width: 60ch;
}

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

.muted {
  color: var(--muted);
}

/* 6. Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 52px;
  padding: 0 28px;
  border: 0;
  border-radius: 999px;
  font: 600 15px var(--font-display);
  white-space: nowrap;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease),
    border-color .3s var(--ease), background-color .3s var(--ease);
}

.btn-primary {
  background: var(--green);
  color: #05231A;
  box-shadow: 0 0 0 rgba(52, 245, 162, 0);
}

.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 30%, rgba(255, 255, 255, .55) 48%, transparent 66%);
  transform: translateX(-120%) skewX(-15deg);
  transition: transform .7s var(--ease);
  pointer-events: none;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(52, 245, 162, .35);
}

.btn-primary:hover::after {
  transform: translateX(120%) skewX(-15deg);
}

.btn-ghost {
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, .02);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.btn-ghost:hover {
  border-color: rgba(52, 245, 162, .5);
  transform: translateY(-2px);
}

.btn-sm {
  height: 42px;
  padding: 0 20px;
  font-size: 14px;
}

/* 7. Cards */
.card {
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform .35s var(--ease), border-color .35s var(--ease), box-shadow .35s var(--ease);
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(52, 245, 162, .35);
  box-shadow: 0 20px 60px rgba(0, 0, 0, .5);
}

.glow-card {
  position: relative;
  overflow: hidden;
}

.glow-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(320px at var(--mx, 50%) var(--my, 50%), rgba(52, 245, 162, .12), transparent 70%);
  opacity: 0;
  transition: opacity .4s var(--ease);
  pointer-events: none;
}

.glow-card:hover::before {
  opacity: 1;
}

/* 8. Pills, chips, tags */
.pill {
  display: inline-flex;
  align-items: center;
  font: 500 12px/1 var(--font-mono);
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(10, 14, 18, .7);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  color: var(--muted);
  white-space: nowrap;
  animation: pill-float 6s ease-in-out infinite alternate;
}

@keyframes pill-float {
  from {
    transform: translateY(-8px);
  }
  to {
    transform: translateY(8px);
  }
}

.chip {
  position: relative;
  display: inline-flex;
}

.chip input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  overflow: hidden;
  white-space: nowrap;
}

.chip span {
  display: inline-flex;
  align-items: center;
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .03);
  color: var(--muted);
  font: 500 14px var(--font-body);
  cursor: pointer;
  user-select: none;
  transition: background-color .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
}

.chip input:checked + span {
  background: var(--green);
  color: #05231A;
  border-color: transparent;
  font-weight: 600;
}

.chip input:focus-visible + span {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}

.hot-tag {
  display: inline-flex;
  align-items: center;
  font: 600 10px/1 var(--font-mono);
  text-transform: uppercase;
  letter-spacing: .12em;
  padding: 4px 10px;
  border-radius: 999px;
  background: linear-gradient(92deg, var(--gold), var(--gold-2));
  color: #241804;
}

/* 9. Marquee */
.marquee {
  overflow: hidden;
  position: relative;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.marquee-track {
  display: inline-flex;
  gap: 48px;
  white-space: nowrap;
  animation: marquee-x 30s linear infinite;
  will-change: transform;
}

.marquee:hover .marquee-track {
  animation-play-state: paused;
}

.marquee-reverse .marquee-track {
  animation-direction: reverse;
}

@keyframes marquee-x {
  to {
    transform: translateX(-50%);
  }
}

/* 10. Scroll reveal */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}

[data-reveal].is-in {
  opacity: 1;
  transform: none;
}

[data-reveal-stagger] > * {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}

[data-reveal-stagger].is-in > * {
  opacity: 1;
  transform: none;
  transition-delay: calc(var(--i, 0) * 90ms);
}

/* 11. Avatar */
.avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--green-2), var(--gold));
  color: #04160F;
  font: 600 15px var(--font-display);
}

/* 12. Forms */
.field {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
}

.field label {
  font: 500 13px var(--font-body);
  color: var(--muted);
}

input,
textarea {
  width: 100%;
  background: rgba(255, 255, 255, .03);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 16px;
  color: var(--text);
  font: 15px var(--font-body);
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease);
}

input:focus,
textarea:focus {
  border-color: rgba(52, 245, 162, .6);
  box-shadow: 0 0 0 3px rgba(52, 245, 162, .12);
  outline: none;
}

::placeholder {
  color: var(--muted);
  opacity: .85;
}

textarea {
  resize: vertical;
  min-height: 120px;
}

.checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font: 400 14px/1.5 var(--font-body);
  color: var(--muted);
}

.checkbox input {
  width: auto;
  margin-top: 3px;
  accent-color: var(--green);
}

/* ------------------------------------------------------------------
   13. Site chrome hooks
   Bare structural rules for the two classes brf.js manipulates
   directly (.nav / .cookiebar). Section agents building nav.ejs,
   footer.ejs and cookiebar.ejs own the rest of their layout and may
   add a scoped <style> block inside their own partial if needed.
   ------------------------------------------------------------------ */
.nav {
  position: fixed;
  top: 0;
  inset-inline: 0;
  z-index: 100;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color .35s var(--ease), border-color .35s var(--ease), backdrop-filter .35s var(--ease);
}

.nav.is-scrolled {
  background: rgba(6, 8, 10, .78);
  border-bottom-color: var(--line);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.cookiebar {
  position: fixed;
  left: 20px;
  right: 20px;
  bottom: 20px;
  z-index: 200;
  transition: transform .5s var(--ease), opacity .5s var(--ease);
}

.cookiebar.is-hidden {
  transform: translateY(140%);
  opacity: 0;
  pointer-events: none;
}

/* 14. Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
  html {
    scroll-behavior: auto;
  }
}

/* 15. Responsive */
@media (max-width: 1024px) {
  .container {
    padding-inline: 20px;
  }
}

@media (max-width: 600px) {
  .container {
    padding-inline: 18px;
  }
  .btn {
    height: 48px;
    padding: 0 22px;
  }
}