@import url('https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wght@12..96,400..800&family=JetBrains+Mono:wght@400;800&family=Space+Grotesk:wght@400;600;700&display=swap');

/* ============================================
   DESIGN TOKENS - BRUTALIST
   ============================================ */

:root {
  --font-display: 'Bricolage Grotesque', sans-serif;
  --font-sans: 'Space Grotesk', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;

  --page-max: 1200px;
  --page-gutter: clamp(1.25rem, 3vw, 2.5rem);
  --nav-height: 4rem;

  --radius-sm: 0;
  --radius-md: 0;
  --radius-lg: 0;
  --radius-xl: 0;
  --radius-full: 0;
  
  --border-width: 1px;

  --pass: #00ff41;
  --warn: #ffb000;
  --fail: #ff003c;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 0.2s;
  --duration-normal: 0.3s;
  --duration-slow: 0.5s;
  --duration-reveal: 0.6s;
}

body.theme-dark {
  --bg: #09090b;
  --bg-subtle: #18181b;
  --surface: #09090b;
  --surface-hover: #18181b;
  --surface-active: #27272a;
  --border: #3f3f46;
  --border-hover: #71717a;
  --border-active: #a1a1aa;
  --text: #fafafa;
  --text-secondary: #a1a1aa;
  --text-tertiary: #71717a;
  --accent: #ff3e00;
  --accent-dim: #ea2803;
  --nav-bg: rgba(9, 9, 11, 0.8);
  --nav-bg-solid: #09090b;
  --code-bg: #18181b;
  --grid-color: rgba(255, 62, 0, 0.15);
  color-scheme: dark;
}

body.theme-light {
  --bg: #f4f4f5;
  --bg-subtle: #e4e4e7;
  --surface: #f4f4f5;
  --surface-hover: #e4e4e7;
  --surface-active: #d4d4d8;
  --border: #a1a1aa;
  --border-hover: #71717a;
  --border-active: #52525b;
  --text: #09090b;
  --text-secondary: #3f3f46;
  --text-tertiary: #71717a;
  --accent: #ff3e00;
  --accent-dim: #ea2803;
  --nav-bg: rgba(244, 244, 245, 0.8);
  --nav-bg-solid: #f4f4f5;
  --code-bg: #e4e4e7;
  --grid-color: rgba(255, 62, 0, 0.15);
  color-scheme: light;
}

/* ============================================
   RESET & BASE
   ============================================ */

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

html {
  scroll-behavior: auto; /* Brutalism prefers instant snapping */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

[id] {
  scroll-margin-top: calc(var(--nav-height) + 2rem);
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--text);
  background-color: var(--bg);
  min-height: 100vh;
  overflow-x: hidden;
}

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

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

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

* {
  scrollbar-width: thin;
  scrollbar-color: var(--text) var(--bg);
}

::-webkit-scrollbar { width: 12px; height: 12px; }
::-webkit-scrollbar-track { background: var(--bg); border-left: var(--border-width) solid var(--border); }
::-webkit-scrollbar-thumb { background: var(--text); }

/* ============================================
   ATMOSPHERE (RAW 3D GRID)
   ============================================ */

body {
  background-color: var(--bg);
}

.grid-parallax-container {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
  background-color: var(--bg);
}

.grid-parallax {
  position: absolute;
  bottom: -20vh;
  left: -50vw;
  width: 200vw;
  height: 100vh;
  background-image: 
    linear-gradient(to right, var(--grid-color) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-color) 1px, transparent 1px);
  background-size: 80px 80px;
  transform-origin: center center;
  /* Will be controlled via JS */
  will-change: transform;
}

/* Add a subtle vignette over the grid to make it fade out at edges */
.grid-parallax-vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, transparent 30%, var(--bg) 80%);
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  line-height: 1.1;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--text);
}

h1 {
  font-size: clamp(3rem, 8vw, 6rem);
  letter-spacing: -0.05em;
  margin-bottom: 1.5rem;
  word-wrap: break-word;
  hyphens: auto;
  position: relative;
  display: inline-block;
}

h1:hover {
  animation: glitch 0.2s cubic-bezier(.25, .46, .45, .94) both infinite;
  color: var(--accent);
}

@keyframes glitch {
  0% { transform: translate(0) }
  20% { transform: translate(-3px, 3px) }
  40% { transform: translate(-3px, -3px) }
  60% { transform: translate(3px, 3px) }
  80% { transform: translate(3px, -3px) }
  100% { transform: translate(0) }
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.03em;
  border-bottom: var(--border-width) solid var(--border);
  padding-bottom: 0.5rem;
}

h3 {
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}

p {
  margin: 0 0 1rem;
  font-size: 1.125rem;
  color: var(--text);
}

p:last-child {
  margin-bottom: 0;
}

small {
  font-size: 0.875rem;
  color: var(--text-tertiary);
}

pre, code, code span, .inline-code {
  font-family: var(--font-mono);
}

.kicker {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text);
  background: var(--accent);
  color: #000; /* Always high contrast */
  display: inline-block;
  padding: 0.25rem 0.5rem;
  margin-bottom: 1rem;
  border: var(--border-width) solid #000;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--text);
  color: var(--bg);
  display: inline-block;
  padding: 0.25rem 0.5rem;
  margin-bottom: 1rem;
  border: var(--border-width) solid var(--border);
}

.lead {
  font-size: 1.5rem;
  line-height: 1.4;
  color: var(--text);
  font-weight: 600;
  max-width: 60ch;
  border-left: calc(var(--border-width) * 2) solid var(--accent);
  padding-left: 1rem;
}

.copy {
  color: var(--text);
}

.inline-code {
  font-size: 0.875rem;
  padding: 0.125rem 0.25rem;
  background: var(--text);
  color: var(--bg);
  font-weight: 600;
}

/* ============================================
   NAVIGATION
   ============================================ */

.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: var(--border-width) solid var(--border);
}

.topbar-inner {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 0 var(--page-gutter);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  color: var(--text);
  flex-shrink: 0;
  text-transform: uppercase;
  background: var(--text);
  color: var(--bg);
  padding: 0.25rem 0.5rem;
  border: var(--border-width) solid var(--text);
}

.brand:hover {
  background: var(--accent);
  color: #000;
  border-color: #000;
}

.brand strong {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand span {
  display: none;
}

.topbar-nav {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  overflow-x: auto;
  scrollbar-width: none;
}

.topbar-nav::-webkit-scrollbar { display: none; }

.topbar-nav a {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text);
  padding: 0.25rem 0.5rem;
  border: var(--border-width) solid transparent;
  white-space: nowrap;
}

.topbar-nav a:hover, .topbar-nav a.active {
  border-color: var(--text);
  background: var(--text);
  color: var(--bg);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
}

.switch {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text);
}

.switch > span {
  display: none;
}

.focusable,
select,
button {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text);
  background: var(--bg);
  border: var(--border-width) solid var(--border);
  padding: 0.5rem;
  cursor: pointer;
}

select {
  appearance: none;
  padding-right: 2rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2 4L6 8L10 4' stroke='currentColor' stroke-width='2' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.5rem center;
}

.focusable:hover,
select:hover {
  background: var(--text);
  color: var(--bg);
}

.focusable:focus-visible,
select:focus-visible,
button:focus-visible,
.btn:focus-visible,
.topbar-nav a:focus-visible {
  outline: none;
  background: var(--accent);
  color: #000;
  border-color: #000;
}

/* ============================================
   LAYOUT
   ============================================ */

.page {
  position: relative;
  z-index: 1;
  max-width: var(--page-max);
  margin: 0 auto;
  padding: calc(var(--nav-height) + 6rem) var(--page-gutter) 8rem;
}

.section {
  margin-bottom: 10rem;
  position: relative;
}

.section > h2 {
  margin-bottom: 2.5rem;
  display: inline-block;
  background: var(--bg);
}

.section > p {
  margin-bottom: 3rem;
  max-width: 65ch;
  font-size: 1.35rem;
  font-weight: 600;
  line-height: 1.6;
}

.grid {
  display: grid;
  gap: 2rem;
}

.two-col {
  grid-template-columns: repeat(2, 1fr);
}

.three-col {
  grid-template-columns: repeat(3, 1fr);
}

/* ============================================
   HERO
   ============================================ */

.hero {
  position: relative;
  padding: 6rem 4rem;
  margin-bottom: 4rem;
  border: var(--border-width) solid var(--border);
  background: var(--bg);
  box-shadow: 4px 4px 0 var(--border);
}

.hero--full {
  min-height: calc(80vh - var(--nav-height));
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: center;
}

.hero-copy {
  position: relative;
  z-index: 1;
  max-width: 100%;
}

.hero h1 {
  background: none;
  -webkit-background-clip: initial;
  -webkit-text-fill-color: initial;
  color: var(--text);
  margin-bottom: 2rem;
  text-shadow: 4px 4px 0 var(--accent);
}

.hero .lead {
  margin-bottom: 1.5rem;
  max-width: 80ch;
  font-size: 1.5rem;
}

.actions {
  position: relative;
  z-index: 1;
  margin-top: 3rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 800;
  text-transform: uppercase;
  padding: 1rem 2rem;
  border: var(--border-width) solid var(--border);
  background: var(--bg);
  color: var(--text);
  cursor: pointer;
  text-decoration: none;
  box-shadow: 4px 4px 0 var(--border);
  transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1), box-shadow 0.4s cubic-bezier(0.25, 1, 0.5, 1), background 0.4s ease, color 0.4s ease, border-color 0.4s ease;
}

.btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--accent);
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}

.btn:active {
  transform: translate(4px, 4px);
  box-shadow: 0 0 0 var(--accent);
}

.btn-primary {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
  box-shadow: 4px 4px 0 var(--accent);
}

.btn-primary:hover {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
  box-shadow: 6px 6px 0 #000;
}

.btn-primary:active {
  box-shadow: 0 0 0 #000;
}

.btn-ghost {
  background: transparent;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* ============================================
   CARDS
   ============================================ */

.card {
  position: relative;
  padding: 2.5rem;
  border: var(--border-width) solid var(--border);
  background: var(--bg);
  box-shadow: 4px 4px 0 var(--border);
  transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1), box-shadow 0.4s cubic-bezier(0.25, 1, 0.5, 1), border-color 0.4s ease;
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translate(-4px, -4px);
  box-shadow: 8px 8px 0 var(--accent);
  border-color: var(--text);
}

.card > * {
  position: relative;
  z-index: 1;
}

.card h3 {
  margin-bottom: 1rem;
  font-size: 1.5rem;
  background: var(--text);
  color: var(--bg);
  display: inline-block;
  padding: 0.25rem 0.5rem;
}

.card p,
.card li {
  font-size: 1.125rem;
  font-weight: 500;
}

.card pre {
  margin-top: 1.5rem;
}

.card .btn {
  margin-top: auto;
  align-self: flex-start;
}

/* ============================================
   BADGES & STATUS
   ============================================ */

.badge {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 800;
  text-transform: uppercase;
  padding: 0.25rem 0.75rem;
  margin-bottom: 1rem;
  border: var(--border-width) solid var(--text);
  background: var(--bg);
  color: var(--text);
  box-shadow: 4px 4px 0 var(--text);
}

.badge.pass { background: var(--pass); color: #000; border-color: #000; box-shadow: 4px 4px 0 #000; }
.badge.warn { background: var(--warn); color: #000; border-color: #000; box-shadow: 4px 4px 0 #000; }
.badge.fail { background: var(--fail); color: #000; border-color: #000; box-shadow: 4px 4px 0 #000; }

/* ============================================
   DIFF VIEWER
   ============================================ */

.diff-view {
  border: var(--border-width) solid var(--border);
  background: var(--bg);
  padding: 2.5rem;
  margin: 3rem 0;
  box-shadow: 4px 4px 0 var(--border);
}

.diff-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  border-bottom: var(--border-width) solid var(--border);
  padding-bottom: 1rem;
}

.diff-toolbar h3 {
  font-size: 1.25rem;
  margin: 0;
  background: none;
  color: var(--text);
  padding: 0;
}

.diff-controls {
  display: flex;
  gap: 0.5rem;
}

.diff-layout {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr 1fr;
}

.diff-layout[data-mode='inline'] {
  grid-template-columns: 1fr;
}

.diff-panel {
  min-height: 200px;
  padding: 1.5rem;
  border: var(--border-width) solid var(--border);
  background: var(--bg);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.5;
  white-space: pre-wrap;
  overflow-x: auto;
  color: var(--text);
}

.diff-line {
  display: block;
  padding: 0.25rem 0.5rem;
  margin: 0 0 0.25rem;
  border-left: calc(var(--border-width) * 2) solid transparent;
  font-weight: 600;
}

.diff-line.context {
  color: var(--text-tertiary);
}

.diff-line.insert {
  color: #000;
  background: var(--pass);
  border-left-color: #000;
}

.diff-line.delete {
  color: #000;
  background: var(--fail);
  border-left-color: #000;
}

/* ============================================
   TIMELINE
   ============================================ */

.timeline {
  display: grid;
  gap: 2rem;
  border-left: var(--border-width) solid var(--text);
  padding-left: 2rem;
  margin-left: 1rem;
}

.timeline-item {
  position: relative;
  padding: 1.5rem;
  border: var(--border-width) solid var(--border);
  background: var(--bg);
  box-shadow: 4px 4px 0 var(--border);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: calc(-2rem - var(--border-width) * 1.5);
  top: 1.5rem;
  width: 1.5rem;
  height: var(--border-width);
  background: var(--text);
}

.timeline-item::after {
  content: '';
  position: absolute;
  left: calc(-2.5rem - var(--border-width));
  top: 1rem;
  width: 1rem;
  height: 1rem;
  background: var(--accent);
  border: var(--border-width) solid #000;
}

.timeline-step {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.timeline-step strong {
  font-family: var(--font-mono);
  font-size: 1rem;
  text-transform: uppercase;
  background: var(--text);
  color: var(--bg);
  padding: 0.125rem 0.5rem;
}

.timeline-item .copy,
.timeline-item p {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text);
  margin: 0;
}

/* ============================================
   EVIDENCE & CALLOUTS
   ============================================ */

.evidence-stamp {
  margin: 1.5rem 0;
  padding: 1rem 1.5rem;
  border: var(--border-width) dashed var(--text);
  background: var(--code-bg);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--text);
}

.evidence-stamp strong {
  color: var(--text);
  background: var(--accent);
  color: #000;
  padding: 0 0.25rem;
}

.callout {
  margin-top: 1.5rem;
  padding: 1.5rem;
  border: var(--border-width) solid var(--border);
  background: var(--text);
  color: var(--bg);
  font-size: 1.125rem;
  font-weight: 800;
  box-shadow: 4px 4px 0 var(--accent);
}

.callout small {
  color: var(--bg);
  font-size: 1rem;
}

.cred-strip {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(3, 1fr);
  border-top: var(--border-width) solid var(--text);
  border-bottom: var(--border-width) solid var(--text);
  padding: 2rem 0;
  margin: 4rem 0;
}

.cred-strip .evidence-stamp {
  margin: 0;
  border-style: solid;
  box-shadow: 4px 4px 0 var(--text);
}

/* ============================================
   TABLES
   ============================================ */

.table-shell {
  border: var(--border-width) solid var(--border);
  background: var(--bg);
  box-shadow: 4px 4px 0 var(--border);
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: 1rem 1.5rem;
  text-align: left;
  vertical-align: top;
  border-bottom: var(--border-width) solid var(--border);
  font-size: 1rem;
  font-weight: 600;
}

thead th {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--text);
  border-bottom: 0;
}

tbody tr:last-child td {
  border-bottom: 0;
}

tbody tr:hover td {
  background: var(--text);
  color: var(--bg);
}

/* ============================================
   CODE BLOCKS
   ============================================ */

pre {
  position: relative;
  margin: 0;
  padding: 1.5rem;
  border: var(--border-width) solid var(--border);
  background: var(--bg);
  box-shadow: 4px 4px 0 var(--text);
  overflow-x: auto;
  line-height: 1.5;
}

pre::before {
  content: 'TERMINAL';
  position: absolute;
  top: 0;
  left: 0;
  background: var(--text);
  color: var(--bg);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0.125rem 0.5rem;
  border-bottom: var(--border-width) solid var(--border);
  border-right: var(--border-width) solid var(--border);
}

pre code {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  display: block;
  margin-top: 1rem;
}

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

ol, ul {
  padding-left: 1.5rem;
}

li {
  margin-bottom: 0.5rem;
  color: var(--text);
  font-size: 1.125rem;
  font-weight: 600;
}

li::marker {
  color: var(--text);
  font-family: var(--font-mono);
  font-weight: 800;
}

/* ============================================
   FOOTER
   ============================================ */

footer.page.page-footer {
  margin-top: 6rem;
  padding-top: 4rem;
  padding-bottom: 4rem;
  border-top: calc(var(--border-width) * 2) solid var(--text);
}

.footer-grid {
  display: grid;
  gap: 4rem;
  grid-template-columns: repeat(3, 1fr);
}

.footer-grid strong,
.footer-grid h3 {
  font-size: 1.25rem;
  font-weight: 800;
  text-transform: uppercase;
  margin-bottom: 1rem;
  display: inline-block;
  background: var(--text);
  color: var(--bg);
  padding: 0.25rem 0.5rem;
}

.footer-grid p,
.footer-grid .copy {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}

.footer-link {
  color: var(--text);
  text-decoration: underline;
  text-decoration-thickness: var(--border-width);
  text-underline-offset: 4px;
}

.footer-link:hover {
  background: var(--text);
  color: var(--bg);
  text-decoration: none;
}

.page-footer > p {
  margin-top: 4rem;
  font-size: 1rem;
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text);
  text-align: center;
  border-top: var(--border-width) dashed var(--text);
  padding-top: 2rem;
}

/* ============================================
   SCROLL REVEAL — STAGGERED DIRECTIONAL
   ============================================ */

[data-reveal] {
  opacity: 0;
  transform: translateY(40px);
  transition:
    opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: var(--reveal-delay, 0s);
}

[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

.card[data-reveal] {
  transform: translateX(var(--reveal-x, 0px)) translateY(var(--reveal-y, 40px));
}

.card[data-reveal].revealed {
  transform: translateX(0) translateY(0);
}

/* ============================================
   FILM GRAIN OVERLAY
   ============================================ */

.grain-overlay {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.03;
}

/* ============================================
   SCROLL PROGRESS BAR
   ============================================ */

.scroll-progress {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  height: 3px;
  z-index: 101;
  display: flex;
  background: rgba(255, 255, 255, 0.04);
}

.scroll-progress__segment {
  flex: 1;
  position: relative;
  cursor: pointer;
  overflow: hidden;
  border-right: 1px solid var(--bg);
}

.scroll-progress__segment:last-child {
  border-right: none;
}

.scroll-progress__fill {
  position: absolute;
  inset: 0;
  background: var(--accent);
  transform-origin: left center;
  transform: scaleX(0);
  transition: transform 0.15s linear;
}

.scroll-progress__segment.is-complete .scroll-progress__fill {
  transform: scaleX(1) !important;
}

.scroll-progress__label {
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  opacity: 0;
  transition: opacity 0.2s ease;
  white-space: nowrap;
  pointer-events: none;
}

.scroll-progress__segment:hover .scroll-progress__label {
  opacity: 1;
}

/* ============================================
   SKIP LINK
   ============================================ */

.skip-link {
  position: fixed;
  left: var(--page-gutter);
  top: -4rem;
  z-index: 200;
  padding: 0.5rem 1rem;
  border: var(--border-width) solid #000;
  background: var(--accent);
  color: #000;
  font-family: var(--font-mono);
  font-weight: 800;
  text-transform: uppercase;
  font-size: 1rem;
  transition: top 0.1s ease;
}

.skip-link:focus-visible {
  top: 1rem;
}

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

@media (max-width: 1024px) {
  .two-col,
  .three-col {
    grid-template-columns: 1fr;
  }

  .cred-strip,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .topbar-inner {
    flex-wrap: wrap;
    height: auto;
    padding-top: 1rem;
    padding-bottom: 1rem;
    gap: 1rem;
  }

  .topbar-nav {
    order: 3;
    width: 100%;
    overflow-x: auto;
  }

  .brand span {
    display: none;
  }

  .diff-layout {
    grid-template-columns: 1fr;
  }

  .hero--full {
    min-height: auto;
    padding: 2rem 1rem;
  }

  .diff-toolbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .diff-controls {
    width: 100%;
    flex-wrap: wrap;
  }

  .diff-controls .btn {
    flex: 1;
    min-width: 120px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .page {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  h1 {
    font-size: clamp(2.5rem, 10vw, 4rem);
  }
}

/* ============================================
   CUSTOM MAGNETIC CURSOR
   ============================================ */

@media (hover: hover) and (pointer: fine) {
  html, body, *, *::before, *::after { cursor: none !important; }

  .cursor-dot {
    position: fixed;
    top: 0;
    left: 0;
    width: 5px;
    height: 5px;
    background: var(--text);
    border-radius: 50%;
    pointer-events: none;
    z-index: 99999;
    transform: translate(-50%, -50%);
    will-change: left, top;
    opacity: 0;
    transition: opacity 0.3s ease, background 0.2s ease;
  }

  .cursor-ring {
    position: fixed;
    top: 0;
    left: 0;
    width: 38px;
    height: 38px;
    border: 1.5px solid rgba(250, 250, 250, 0.4);
    border-radius: 50%;
    pointer-events: none;
    z-index: 99998;
    transform: translate(-50%, -50%);
    will-change: left, top;
    opacity: 0;
    transition:
      width  0.45s cubic-bezier(0.25, 1, 0.5, 1),
      height 0.45s cubic-bezier(0.25, 1, 0.5, 1),
      border-color 0.3s ease,
      border-radius 0.4s ease,
      background 0.4s ease,
      opacity 0.3s ease;
  }

  .cursor-ring.is-hovering-action {
    width: 62px;
    height: 62px;
    border-color: var(--accent);
    border-width: 2px;
    background: rgba(255, 62, 0, 0.07);
  }

  .cursor-ring.is-hovering-text {
    width: 80px;
    height: 3px;
    border-radius: 0;
    border-color: var(--text);
    border-width: 1.5px;
    background: transparent;
  }

}

/* ============================================
   MARQUEE STRIP
   ============================================ */

.marquee-strip {
  position: relative;
  left: 50%;
  transform: translateX(-50%);
  width: 100vw;
  overflow: hidden;
  background: var(--accent);
  padding: 0.8125rem 0;
  margin-top: 8rem;
  margin-bottom: 8rem;
  display: flex;
  border-top: 1px solid rgba(0,0,0,0.15);
  border-bottom: 1px solid rgba(0,0,0,0.15);
  user-select: none;
}

.marquee-inner {
  display: flex;
  width: max-content;
  animation: marquee-run 36s linear infinite;
  flex-shrink: 0;
}

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

.marquee-item {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 800;
  text-transform: uppercase;
  color: #000;
  letter-spacing: 0.1em;
  padding: 0 2.5rem;
  white-space: nowrap;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.marquee-item::after {
  content: '';
  display: inline-block;
  width: 4px;
  height: 4px;
  background: #000;
  border-radius: 50%;
  flex-shrink: 0;
}

@keyframes marquee-run {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

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

/* ============================================
   SECTION COUNTERS
   ============================================ */

.page {
  counter-reset: section-counter;
}

.section {
  counter-increment: section-counter;
}

.section::before {
  content: counter(section-counter, decimal-leading-zero);
  position: absolute;
  right: -0.04em;
  top: -0.25em;
  font-family: var(--font-display);
  font-size: clamp(7rem, 22vw, 20rem);
  font-weight: 800;
  letter-spacing: -0.06em;
  line-height: 0.85;
  color: var(--text);
  opacity: 0.04;
  pointer-events: none;
  user-select: none;
  z-index: 0;
}

/* ============================================
   H1 WORD-REVEAL ANIMATION
   ============================================ */

.hero h1 .word-wrap {
  display: inline-block;
  overflow: hidden;
  vertical-align: bottom;
  padding-top: 0.2em;
  margin-top: -0.2em;
  padding-bottom: 0.12em;
  padding-right: 0.06em;
  margin-right: -0.06em;
}

.hero h1 .word-inner {
  display: inline-block;
  transform: translateY(115%);
  animation: word-rise 0.95s cubic-bezier(0.16, 1, 0.3, 1) both;
  animation-delay: var(--word-delay, 0s);
}

@keyframes word-rise {
  from { transform: translateY(115%); }
  to   { transform: translateY(0%); }
}

/* Stagger the rest of hero-copy children (eyebrow, leads, actions) */
.hero-copy > .eyebrow {
  opacity: 0;
  animation: fade-rise 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.1s both;
}
.hero-copy > .lead:nth-of-type(1) {
  opacity: 0;
  animation: fade-rise 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.55s both;
}
.hero-copy > .lead:nth-of-type(2) {
  opacity: 0;
  animation: fade-rise 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.7s both;
}
.hero-copy > .actions {
  opacity: 0;
  animation: fade-rise 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.85s both;
}
.hero-visual {
  opacity: 0;
  animation: fade-rise 1s cubic-bezier(0.16, 1, 0.3, 1) 0.5s both;
}

@keyframes fade-rise {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============================================
   TYPING CURSOR ANIMATION
   ============================================ */

.typing-cursor {
  display: inline-block;
  width: 0.6em;
  height: 1.1em;
  background: var(--accent);
  vertical-align: text-bottom;
  margin-left: 0.1em;
  animation: cursor-blink 0.75s steps(1) infinite;
}

@keyframes cursor-blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

.card.typing-done {
  border-color: var(--pass);
  box-shadow: 4px 4px 0 var(--pass);
  transition: border-color 0.6s ease, box-shadow 0.6s ease;
}