:root {
  --bg: #07080c;
  --bg-2: #0c0d13;
  --surface: rgb(255 255 255 / 0.025);
  --line: rgb(255 255 255 / 0.08);
  --line-strong: rgb(255 255 255 / 0.16);
  --text: #ededf0;
  --muted: #a1a1aa;
  --subtle: #6b6b76;
  --blue: #2f7bff;
  --orange: #ff7a1a;
  --violet: #7c6cff;
  --display: "Archivo", "Inter", system-ui, sans-serif;
  --sans: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", "Cascadia Code", Consolas, monospace;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Film grain over everything: keeps the dark flats from looking flat. */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 100;
  pointer-events: none;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

a {
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: var(--line-strong);
  text-underline-offset: 3px;
}

a:hover {
  text-decoration-color: currentColor;
}

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

code {
  font-family: var(--mono);
  font-size: 0.88em;
}

p code {
  padding: 1px 5px;
  border-radius: 5px;
  background: rgb(255 255 255 / 0.07);
}

h1,
h2,
h3 {
  font-family: var(--display);
  font-stretch: 112%;
  margin: 0;
}

h2 {
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.05;
  font-weight: 800;
  letter-spacing: -0.025em;
}

.wrap {
  width: min(1180px, 100% - 32px);
  margin-inline: auto;
}

/* ── Header ─────────────────────────────────────────── */
header.top {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  border-bottom: 1px solid transparent;
  transition: background 0.3s, border-color 0.3s;
}

header.top.scrolled {
  background: rgb(7 8 12 / 0.78);
  backdrop-filter: blur(14px) saturate(1.4);
  border-color: var(--line);
}

header.top .wrap {
  display: flex;
  align-items: center;
  gap: 16px;
  height: 60px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font: 700 15px/1 var(--display);
  font-stretch: 110%;
  text-decoration: none;
}

nav.links {
  margin-left: auto;
  display: flex;
  gap: 22px;
  align-items: center;
  font-size: 14px;
}

nav.links a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}

nav.links a:hover {
  color: var(--text);
}

nav.links .gh svg {
  width: 19px;
  height: 19px;
  display: block;
}

/* ── Buttons ────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  height: 44px;
  padding: 0 18px;
  border-radius: 8px;
  border: 1px solid var(--line-strong);
  color: var(--text);
  font: 600 15px/1 var(--sans);
  text-decoration: none;
  transition: background 0.2s, border-color 0.2s, transform 0.2s var(--ease);
}

.btn svg {
  width: 17px;
  height: 17px;
}

.btn.primary {
  background: #f4f4f5;
  border-color: #f4f4f5;
  color: #0a0a0c;
}

.btn.primary:hover {
  background: #fff;
}

.btn.ghost {
  background: rgb(7 8 12 / 0.4);
  backdrop-filter: blur(6px);
}

.btn.ghost:hover {
  border-color: rgb(255 255 255 / 0.32);
}

.btn:active {
  transform: translateY(1px);
}

.cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.meta {
  margin: 14px 0 0;
  font: 13px/1.5 var(--mono);
  color: var(--subtle);
}

/* ── Shader stages ──────────────────────────────────── */
.stage {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  /* Fallback when WebGL is unavailable. */
  background:
    radial-gradient(60% 50% at 20% 20%, rgb(47 123 255 / 0.22), transparent 70%),
    radial-gradient(50% 45% at 85% 35%, rgb(255 122 26 / 0.14), transparent 70%),
    var(--bg);
}

.stage canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1.2s var(--ease);
}

.stage canvas.ready {
  opacity: 1;
}

.stage::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 30%;
  background: linear-gradient(to bottom, transparent, var(--bg));
}

/* ── Hero ───────────────────────────────────────────── */
.hero {
  position: relative;
  isolation: isolate;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: 110px 0 90px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
  gap: 56px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 22px;
  font: 13px/1.4 var(--mono);
  color: var(--muted);
}

.hero h1 {
  font-size: clamp(40px, 5.4vw, 68px);
  line-height: 1;
  font-weight: 850;
  font-stretch: 108%;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

.hero h1 .dim {
  color: rgb(237 237 240 / 0.42);
}

.lead {
  margin: 24px 0 30px;
  max-width: 520px;
  color: var(--muted);
  font-size: 17.5px;
}

.showcase {
  margin: 0;
  perspective: 1400px;
}

.frame {
  position: relative;
  aspect-ratio: 1080 / 840;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  background: #0d1a10;
  box-shadow:
    0 40px 90px -30px rgb(0 0 0 / 0.9),
    0 0 0 6px rgb(255 255 255 / 0.025);
  transform: rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
  transition: transform 0.6s var(--ease);
  will-change: transform;
}

.frame .shot {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.03);
  transition: opacity 0.9s var(--ease), transform 1.6s var(--ease);
}

.frame .shot.on {
  opacity: 1;
  transform: none;
}

/* Glare that follows the tilt. */
.frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(
    60% 50% at var(--gx, 30%) var(--gy, 0%),
    rgb(255 255 255 / 0.12),
    transparent 70%
  );
  mix-blend-mode: soft-light;
}

.paints {
  position: absolute;
  left: 12px;
  bottom: 12px;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  border-radius: 10px;
  border: 1px solid var(--line-strong);
  background: rgb(7 8 12 / 0.72);
  backdrop-filter: blur(10px);
}

.paints .label {
  padding: 0 8px 0 6px;
  font-size: 12px;
  color: var(--subtle);
}

.paint {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 30px;
  padding: 0 10px 0 7px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--muted);
  font: 500 13px/1 var(--sans);
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.paint:hover {
  color: var(--text);
}

.paint[aria-pressed="true"] {
  background: rgb(255 255 255 / 0.09);
  color: var(--text);
}

.paint .dots {
  display: flex;
}

.paint .dots i {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  box-shadow: 0 0 0 1.5px rgb(7 8 12);
}

.paint .dots i + i {
  margin-left: -5px;
}

.showcase figcaption {
  margin-top: 14px;
  font-size: 13px;
  color: var(--subtle);
}

/* ── Sections ───────────────────────────────────────── */
section {
  position: relative;
  padding: 110px 0;
}

.head {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 40px;
  align-items: end;
  margin-bottom: 44px;
}

.head p,
.sub,
.body {
  margin: 0;
  color: var(--muted);
}

/* ── Bento ──────────────────────────────────────────── */
.bento {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.tile {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 26px;
  min-height: 250px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  overflow: hidden;
}

/* Cursor spotlight (position set by app.js). */
.tile::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s;
  background: radial-gradient(
    420px circle at var(--mx, 50%) var(--my, 50%),
    rgb(255 255 255 / 0.05),
    transparent 60%
  );
}

.tile:hover::before {
  opacity: 1;
}

.tile h3 {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
}

.tile p {
  margin: 0;
  color: var(--muted);
  font-size: 14.5px;
  max-width: 440px;
}

.t-decals {
  grid-column: span 2;
  flex-direction: row;
  align-items: stretch;
}

.t-decals .copy {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 24px;
}

.t-decals h3 {
  font-size: 26px;
  font-weight: 800;
}

.t-decals p {
  margin-top: 10px;
}

.decal-viz {
  flex: 0 0 250px;
  align-self: center;
}

.mask,
.bodies,
.swaps,
.facts,
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.mask li {
  display: grid;
  grid-template-columns: 28px 1fr;
  column-gap: 12px;
  align-items: center;
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

.mask li i {
  grid-row: span 2;
  width: 28px;
  height: 28px;
  border-radius: 6px;
}

.mask li em {
  font-style: normal;
  color: var(--subtle);
  font-size: 12.5px;
}

/* Artwork swatch: a slice of the real decal. */
.mask .m0 {
  background: url(assets/decal-a.jpg) 58% 62% / 900% auto;
}

.mask .m1 {
  background: #ff2d2d;
}

.mask .m2 {
  background: #2fe06a;
}

.bodies {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.bodies li {
  padding: 4px 9px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font: 12px/1.4 var(--mono);
  color: var(--muted);
}

.swaps li {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr) 16px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  padding: 10px 0;
  border-top: 1px solid var(--line);
  font-size: 13.5px;
}

.swaps .slot {
  font: 12px var(--mono);
  color: var(--subtle);
}

.swaps .own {
  color: var(--subtle);
  text-decoration: line-through;
  text-decoration-color: rgb(255 255 255 / 0.25);
}

.swaps svg {
  width: 15px;
  height: 15px;
  color: var(--orange);
}

.ball {
  width: 116px;
  height: 116px;
  border-radius: 50%;
  position: relative;
  background: url(assets/ball-texture.jpg) 0 50% / auto 100% repeat-x;
  animation: roll 14s linear infinite;
  box-shadow: 0 24px 40px -18px rgb(0 0 0 / 0.9);
}

.ball::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background:
    radial-gradient(circle at 34% 28%, rgb(255 255 255 / 0.55), transparent 32%),
    radial-gradient(circle at 50% 50%, transparent 46%, rgb(0 0 0 / 0.75) 74%);
}

@keyframes roll {
  to {
    background-position: -310px 50%;
  }
}

.swatches {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 4px;
}

.swatches i {
  aspect-ratio: 1;
  border-radius: 4px;
  transition: transform 0.25s var(--ease);
}

.swatches i:hover {
  transform: scale(1.25);
}

.score .line {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 13px;
  color: var(--subtle);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.score b {
  font: 800 34px/1 var(--display);
  font-stretch: 115%;
  color: var(--text);
}

.wl {
  display: flex;
  gap: 5px;
  margin-top: 14px;
}

.wl i {
  flex: 1;
  height: 26px;
  border-radius: 4px;
  background: rgb(255 255 255 / 0.08);
}

.wl i.w {
  background: var(--blue);
}

.pitch {
  width: 100%;
  max-width: 250px;
  stroke: rgb(255 255 255 / 0.22);
  stroke-width: 1.2;
}

.pitch .blue {
  stroke: var(--blue);
  stroke-width: 2;
}

.pitch .orange {
  stroke: var(--orange);
  stroke-width: 2;
}

.pitch .dot {
  fill: var(--text);
  stroke: none;
  animation: drift 7s var(--ease) infinite alternate;
}

@keyframes drift {
  0% {
    transform: translate(0, 0);
  }
  35% {
    transform: translate(-62px, -30px);
  }
  70% {
    transform: translate(48px, 36px);
  }
  100% {
    transform: translate(90px, -8px);
  }
}

.share {
  display: block;
  padding: 12px 14px;
  border: 1px dashed var(--line-strong);
  border-radius: 8px;
  color: var(--muted);
  font-size: 13px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.flow {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 12.5px;
  color: var(--muted);
}

.flow code {
  padding: 6px 9px;
  border-radius: 6px;
  border: 1px solid var(--line);
}

.flow svg {
  width: 15px;
  height: 15px;
  color: var(--blue);
}

/* ── Files ──────────────────────────────────────────── */
.files {
  border-block: 1px solid var(--line);
  background:
    radial-gradient(rgb(255 255 255 / 0.09) 1px, transparent 1.5px) 0 0 / 22px 22px,
    var(--bg-2);
}

.files-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: 64px;
  align-items: center;
}

.files .body {
  margin: 20px 0 26px;
  max-width: 500px;
}

.facts li {
  position: relative;
  padding: 9px 0 9px 26px;
  border-top: 1px solid var(--line);
  font-size: 14.5px;
}

.facts li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 17px;
  width: 10px;
  height: 6px;
  border: solid var(--orange);
  border-width: 0 0 2px 2px;
  transform: rotate(-45deg);
}

.tree {
  margin: 0;
  padding: 26px 28px;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  background: rgb(7 8 12 / 0.85);
  overflow-x: auto;
  font: 13.5px/1.85 var(--mono);
  color: var(--muted);
  box-shadow: 0 40px 80px -40px rgb(0 0 0 / 0.9);
}

.tree code {
  font-size: inherit;
}

.tree .dir {
  color: var(--text);
}

.tree .new {
  color: var(--orange);
}

.tree .note {
  color: var(--subtle);
}

/* ── Steps ──────────────────────────────────────────── */
.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
  margin-top: 44px;
  counter-reset: none;
}

.steps li {
  padding-top: 22px;
  border-top: 1px solid var(--line-strong);
}

.steps .num {
  display: block;
  font: 800 54px/1 var(--display);
  font-stretch: 125%;
  color: transparent;
  -webkit-text-stroke: 1px rgb(255 255 255 / 0.28);
  margin-bottom: 20px;
}

.steps h3 {
  font-size: 19px;
  margin-bottom: 8px;
}

.steps p {
  margin: 0;
  color: var(--muted);
  font-size: 14.5px;
}

/* ── FAQ ────────────────────────────────────────────── */
.faq-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
  gap: 48px;
}

.faq .sub {
  margin-top: 14px;
}

.qa details {
  border-top: 1px solid var(--line);
}

.qa details:last-child {
  border-bottom: 1px solid var(--line);
}

.qa summary {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
  font-weight: 600;
}

.qa summary::-webkit-details-marker {
  display: none;
}

.qa summary::after {
  content: "+";
  flex: none;
  font: 400 22px/1 var(--sans);
  color: var(--subtle);
  transition: transform 0.3s var(--ease);
}

.qa details[open] summary::after {
  transform: rotate(45deg);
}

.qa details p {
  margin: -4px 0 20px;
  max-width: 640px;
  color: var(--muted);
}

/* ── Finale ─────────────────────────────────────────── */
.finale {
  isolation: isolate;
  padding: 160px 0 140px;
  text-align: center;
  overflow: hidden;
}

.finale .stage::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 35%;
  z-index: 1;
  background: linear-gradient(to top, transparent, var(--bg));
}

.finale h2 {
  font-size: clamp(36px, 6vw, 72px);
  font-stretch: 118%;
  line-height: 1;
  letter-spacing: -0.035em;
  margin-bottom: 36px;
}

.finale .cta {
  justify-content: center;
}

/* ── Footer ─────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--line);
  padding: 36px 0 48px;
  color: var(--subtle);
  font-size: 13px;
}

footer .wrap {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 16px 40px;
  align-items: start;
}

footer p {
  margin: 0;
}

footer .legal {
  max-width: 560px;
}

footer a {
  color: var(--muted);
}

/* ── Reveal on scroll ───────────────────────────────── */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
  transition-delay: var(--delay, 0s);
}

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

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

  .ball,
  .pitch .dot {
    animation: none;
  }

  .frame {
    transform: none;
  }
}

/* ── Responsive ─────────────────────────────────────── */
@media (max-width: 980px) {
  .hero {
    min-height: 0;
    padding-top: 100px;
  }

  .hero-grid,
  .files-grid,
  .faq-grid,
  .head {
    grid-template-columns: minmax(0, 1fr);
    gap: 40px;
  }

  .head {
    gap: 14px;
  }

  .bento {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .steps {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }

  footer .wrap {
    grid-template-columns: minmax(0, 1fr);
  }

  nav.links .hide-sm {
    display: none;
  }
}

@media (max-width: 640px) {
  section {
    padding: 76px 0;
  }

  .bento {
    grid-template-columns: minmax(0, 1fr);
  }

  .t-decals {
    grid-column: auto;
    flex-direction: column;
  }

  .decal-viz {
    flex-basis: auto;
    align-self: stretch;
  }

  .tile {
    min-height: 0;
  }

  .paints .label {
    display: none;
  }

  .tree {
    padding: 18px;
    font-size: 12px;
  }

  .btn {
    flex: 1 1 auto;
    justify-content: center;
  }
}