@import url("https://fonts.googleapis.com/css2?family=Inter+Tight:wght@400;500;600;700;800;900&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap");

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

:root {
  --yellow: #ffe600;
  --yellow-2: #ffd400;
  --pink: #fc6f83;
  --pink-2: #cf263f;
  --ink: #0a0a0b;
  --ink-2: #161618;
  --paper: #f4f0e6;
  --paper-2: #ece6d6;
  --line: rgba(10, 10, 11, 0.12);
  --line-dark: rgba(244, 240, 230, 0.1);
  --muted: rgba(10, 10, 11, 0.58);
  --muted-dark: rgba(244, 240, 230, 0.55);
}

html {
  scroll-behavior: smooth;
}
body {
  /* dark fallback so the fixed shader canvas (z:0) can show through transparent sections (z:1) */
  background: var(--ink);
  color: var(--ink);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

.scroll-renderer-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1.2em, 3vw, 2.5em);
  height: 56px;
  background: rgba(244, 240, 230, 0.78);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border-bottom: 1px solid var(--line);
  font-family: 'Inter Tight', sans-serif;
}
.nav__brand {
  font-weight: 700;
  font-size: 0.95em;
  display: flex;
  align-items: center;
  gap: 0.4em;
}
.nav__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--yellow);
  color: var(--ink);
  font-weight: 900;
  border-radius: 4px;
  box-shadow: 2px 2px 0 0 var(--ink);
  font-size: 0.85em;
  margin-right: 0.4em;
}
.nav__sep {
  opacity: 0.4;
  margin: 0 0.5em;
  font-weight: 400;
}
.nav__links {
  display: flex;
  gap: 1.6em;
  list-style: none;
  align-items: center;
}
.nav__links a {
  font-size: 0.82em;
  font-weight: 500;
  color: var(--muted);
  transition: color 0.15s;
}
.nav__links a:hover {
  color: var(--ink);
}
.nav__links a.nav__cta {
  background: var(--ink);
  color: var(--paper);
  padding: 0.5em 0.9em;
  border-radius: 999px;
  font-size: 0.78em;
  font-weight: 600;
  transition: transform 0.15s;
}
.nav__links a.nav__cta:hover {
  transform: translateY(-1px);
}

.content {
  position: relative;
  z-index: 1;
}
.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.74em;
  padding: 0.4em 0.8em;
  background: var(--ink);
  color: var(--paper);
  border-radius: 999px;
}
.pill--yellow {
  background: var(--yellow);
  color: var(--ink);
}

h1,
h2,
h3,
h4 {
  font-family: 'Inter Tight', sans-serif;
  font-weight: 800;
  line-height: 1.02;
  color: var(--ink);
}
h1 {
  font-size: clamp(3em, 8.6vw, 7.2em);
  font-weight: 900;
  margin: 0;
}
h2 {
  font-size: clamp(1.85em, 4.6vw, 3.4em);
  margin-bottom: 0.55em;
}
h3 {
  font-size: 1.18em;
  font-weight: 700;
  margin-bottom: 0.4em;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72em;
  font-weight: 500;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 1.8em;
}
.eyebrow::before {
  content: '';
  width: 22px;
  height: 1px;
  background: var(--ink);
}
.on-dark .eyebrow {
  color: var(--paper);
}
.on-dark .eyebrow::before {
  background: var(--paper);
}

p {
  color: var(--muted);
  margin-bottom: 1em;
}
.on-dark p {
  color: var(--muted-dark);
}
.lead {
  font-size: clamp(1.05em, 1.5vw, 1.18em);
  line-height: 1.6;
  max-width: 38em;
}

p:last-child,
h2:last-child {
  margin-bottom: 0;
}

code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85em;
  color: var(--pink-2);
  background: color-mix(in srgb, var(--pink) 12%, transparent);
  padding: 0.1em 0.4em;
  border-radius: 4px;
  font-weight: 500;
}
.on-dark code {
  color: var(--yellow);
  background: rgba(255, 230, 0, 0.12);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  background: var(--ink);
  color: var(--paper);
  padding: 0.85em 1.4em;
  font-family: 'Inter Tight', sans-serif;
  font-size: 0.92em;
  font-weight: 600;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: transform 0.15s;
}
.btn:hover {
  transform: translateY(-1px);
}
.btn--yellow {
  background: var(--yellow);
  color: var(--ink);
}
.btn--ghost {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--ink);
}
.on-dark .btn--ghost {
  color: var(--paper);
  border-color: var(--paper);
}
.btn .arrow {
  transition: transform 0.2s;
}
.btn:hover .arrow {
  transform: translateX(2px);
}

.chip {
  display: inline-flex;
  align-items: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82em;
  padding: 0.55em 1em;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: transparent;
  color: var(--ink);
  user-select: all;
}
.hero .chip {
  background: rgba(244, 240, 230, 0.1);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
}

/* two-column section grids that collapse to one column on narrow viewports */
.intro__grid,
.gallery__head,
.split,
.api__inner,
.showcase__inner {
  display: grid;
  gap: 3em;
  align-items: center;
}

.feature__num,
.feature__tag,
.split__media .badge,
.gallery__caption .meta,
.showcase__visual .label {
  background: rgba(10, 10, 11, 0.5);
  backdrop-filter: blur(14px) saturate(150%);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  border: 1px solid rgba(244, 240, 230, 0.1);
  border-radius: 999px;
}

.hero {
  position: relative;
  min-height: 100vh;
  padding: 7em clamp(1.2em, 3vw, 3em) 3em;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  /* fixed shader canvas (z:0) shows through */
  background: transparent;
  color: var(--paper);
  overflow: hidden;
}
.scene--hero {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 2.4em;
  max-width: 1400px;
  width: 100%;
  margin: auto 0 0;
}
.hero__tag {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72em;
  text-transform: uppercase;
  padding: 0.5em 0.9em;
  background: var(--yellow);
  color: var(--ink);
  border-radius: 999px;
  font-weight: 600;
  align-self: flex-start;
  width: max-content;
}
.hero h1 {
  color: var(--paper);
  font-size: clamp(3.2em, 11vw, 10em);
  line-height: 0.8;
}
.hero h1 em {
  font-style: normal;
  color: var(--yellow);
}
.hero__row {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 2.4em;
  align-items: end;
  background: rgba(10, 10, 11, 0.32);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border: 1px solid rgba(244, 240, 230, 0.1);
  border-radius: 16px;
  padding: 1.6em 1.8em;
}
.hero__lead {
  color: rgba(244, 240, 230, 0.78);
  font-size: clamp(1em, 1.4vw, 1.15em);
  line-height: 1.55;
  max-width: 32em;
  margin-bottom: 0;
}
.hero__actions {
  display: flex;
  gap: 0.7em;
  flex-wrap: wrap;
  margin-top: 1.4em;
}
.hero__actions .btn--ghost {
  color: var(--paper);
  border-color: rgba(244, 240, 230, 0.4);
}
.hero__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 2em;
  position: relative;
  z-index: 2;
}
.hero__meta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.74em;
  color: rgba(244, 240, 230, 0.85);
  text-align: right;
  line-height: 1.7;
  padding: 0.55em 0.95em;
  background: rgba(10, 10, 11, 0.45);
  backdrop-filter: blur(14px) saturate(150%);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  border: 1px solid rgba(244, 240, 230, 0.1);
  border-radius: 999px;
}
.hero__meta b {
  color: var(--yellow);
  font-weight: 500;
}

.intro {
  background: var(--paper);
  padding: 7em clamp(1.2em, 3vw, 3em) 6em;
  position: relative;
  z-index: 1;
}
.intro__inner {
  max-width: 1100px;
  margin: 0 auto;
}
.intro__grid {
  grid-template-columns: 1fr 1.5fr;
}

.features {
  background: transparent;
  padding: 5em clamp(1.2em, 3vw, 3em) 6em;
}
.features__inner {
  max-width: 1400px;
  margin: 0 auto;
}
.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4em;
}
.feature {
  color: var(--paper);
  display: flex;
  flex-direction: column;
  min-height: 540px;
  background: transparent;
  gap: 0;
}
.feature__shader {
  position: relative;
  flex: 1;
  min-height: 340px;
  background: transparent;
}
.feature__num {
  position: absolute;
  top: 1em;
  left: 1.1em;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72em;
  color: rgba(244, 240, 230, 0.95);
  padding: 0.35em 0.7em;
  z-index: 2;
}
.feature__tag {
  position: absolute;
  top: 1em;
  right: 1.1em;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7em;
  padding: 0.35em 0.75em;
  color: rgba(244, 240, 230, 0.95);
  z-index: 2;
}
.feature__body {
  padding: 1.5em 1.6em 1.8em;
  background: var(--ink);
  border-bottom-left-radius: 14px;
  border-bottom-right-radius: 14px;
}
.feature__body h3 {
  color: var(--paper);
}
.feature__body p {
  color: var(--muted-dark);
  font-size: 0.92em;
  line-height: 1.55;
}

.marquee {
  background: var(--yellow);
  color: var(--ink);
  padding: 1.2em 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  overflow: hidden;
  white-space: nowrap;
  font-family: 'Inter Tight', sans-serif;
  font-weight: 800;
  font-size: clamp(2em, 5vw, 3.6em);
}
.marquee__track {
  display: inline-block;
  animation: scroll 28s linear infinite;
}
.marquee__track span {
  margin: 0 0.4em;
}
.marquee__track .dot {
  display: inline-block;
  width: 0.55em;
  height: 0.55em;
  background: var(--ink);
  border-radius: 50%;
  margin: 0 0.4em;
  vertical-align: middle;
  transform: translateY(-0.05em);
}
@keyframes scroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

.split-section {
  position: relative;
  z-index: 1;
}
.split-section--paper {
  background: var(--paper);
}
.split-section--dark {
  color: var(--paper);
}
.split-section--dark .split__copy h2 {
  color: var(--paper);
}
.split-section--dark .split__copy p {
  color: var(--muted-dark);
}
.split-section--dark .split__copy code {
  color: var(--yellow);
  background: rgba(255, 230, 0, 0.12);
}
.split {
  grid-template-columns: 1fr 1fr;
  max-width: 1400px;
  margin: 0 auto;
  padding: 6em clamp(1.2em, 3vw, 3em);
  justify-items: stretch;
}
.split--reverse .split__media {
  order: -1;
}
.split__copy p + p {
  margin-top: 1em;
}
.split__media {
  position: relative;
  aspect-ratio: 4/5;
  max-height: 600px;
  border-radius: 18px;
  overflow: hidden;
  background: var(--ink);
}
.split__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.split__media--shader {
  background: transparent;
}
.scene--problem {
  position: absolute;
  inset: 0;
}
.split__media .badge {
  position: absolute;
  top: 1em;
  left: 1em;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72em;
  padding: 0.4em 0.8em;
  color: var(--paper);
  z-index: 2;
}

.gallery {
  background: transparent;
  color: var(--paper);
  padding: 6em clamp(1.2em, 3vw, 3em);
}
.gallery__head {
  max-width: 1400px;
  margin: 0 auto 3em;
  grid-template-columns: 1fr 1fr;
}
.gallery__head h2 {
  color: var(--paper);
}
.gallery__head p {
  color: var(--muted-dark);
  max-width: 32em;
}
.gallery__grid {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 0.4fr);
  gap: 1.2em;
}
.gallery__card {
  position: relative;
  aspect-ratio: 4/5;
  border-radius: 18px;
  overflow: hidden;
  background: transparent;
}
.gallery__card--shader {
  border-radius: 0;
  overflow: visible;
  background: transparent;
}
.gallery__card .gallery__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  pointer-events: none;
  transition: none;
  transform: none;
}
.gallery__card:hover .gallery__img {
  transform: none;
}
.gallery__card .scene--waves,
.gallery__card .scene--flow-mini {
  position: absolute;
  inset: 0;
}
.gallery__caption {
  position: absolute;
  left: 1.1em;
  right: 1.1em;
  bottom: 1.1em;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.74em;
  color: var(--paper);
  z-index: 2;
}
.gallery__caption .meta {
  padding: 0.4em 0.75em;
}
.gallery__caption .num {
  background: var(--yellow);
  color: var(--ink);
  padding: 0.4em 0.7em;
  border-radius: 999px;
  font-weight: 600;
}

.api {
  position: relative;
  background: transparent;
  color: var(--paper);
  padding: 7em clamp(1.2em, 3vw, 3em);
  overflow: hidden;
}
.scene--terminal {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.55;
}
.api__inner {
  position: relative;
  z-index: 2;
  max-width: 1100px;
  margin: 0 auto;
  grid-template-columns: 1fr 1.2fr;
}
.api__copy {
  background: rgba(10, 10, 11, 0.45);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border: 1px solid rgba(244, 240, 230, 0.1);
  border-radius: 14px;
  padding: 1.8em 2em;
}
.api__copy h2 {
  color: var(--paper);
}
.api__copy p {
  color: var(--muted-dark);
  margin-top: 1em;
  max-width: 28em;
}
.api__code {
  background: rgba(10, 10, 11, 0.7);
  backdrop-filter: blur(12px);
  border: 1px solid var(--line-dark);
  border-radius: 14px;
  overflow: hidden;
}
.api__code-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.8em 1.1em;
  border-bottom: 1px solid var(--line-dark);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72em;
  color: var(--muted-dark);
}
.api__code-dots {
  display: inline-flex;
  gap: 0.4em;
}
.api__code-dots span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(244, 240, 230, 0.18);
}
.api__code-dots span:first-child {
  background: var(--yellow);
}
.api__code pre {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.86em;
  line-height: 1.65;
  padding: 1.5em 1.3em;
  color: #d8d4c4;
  overflow-x: auto;
}
.kw {
  color: #c8a8ff;
}
.cls {
  color: var(--yellow);
}
.prop {
  color: #9ce0c1;
}
.cm {
  color: rgba(244, 240, 230, 0.35);
  font-style: italic;
}
.str {
  color: var(--yellow);
}

.showcase {
  position: relative;
  z-index: 1;
  /* yellow is rendered into the shared canvas via .scene--showcase-bg so particles can composite on top */
  background: transparent;
  color: var(--ink);
  padding: 7em clamp(1.2em, 3vw, 3em);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  overflow: hidden;
}
.scene--showcase-bg {
  position: absolute;
  inset: 0;
}
.showcase__inner {
  position: relative;
  z-index: 2;
  max-width: 1400px;
  margin: 0 auto;
  grid-template-columns: 1fr 1fr;
}
.showcase h2 {
  font-size: clamp(2.4em, 6.5vw, 5em);
}
.showcase__big {
  font-family: 'Inter Tight', sans-serif;
  font-weight: 900;
  font-size: clamp(4em, 13vw, 11em);
  line-height: 0.85;
  margin-bottom: 0.2em;
}
.showcase ul {
  list-style: none;
  margin-top: 1.5em;
  border-top: 1px solid var(--ink);
}
.showcase ul li {
  padding: 0.9em 0;
  border-bottom: 1px solid var(--ink);
  display: flex;
  gap: 0.8em;
  font-size: 0.96em;
  font-family: 'Inter Tight', sans-serif;
  font-weight: 500;
  align-items: baseline;
}
.showcase ul li::before {
  content: '+';
  font-weight: 700;
}
.showcase__visual {
  aspect-ratio: 1;
  border-radius: 18px;
  position: relative;
  overflow: hidden;
  background: var(--ink);
  border: 1px solid var(--ink);
}
/* shader-variant: transparent so the particle scene on the shared canvas shows through */
.showcase__visual--shader {
  background: transparent;
  border: none;
  border-radius: 0;
  overflow: visible;
}
.scene--particles {
  position: absolute;
  inset: 0;
}
.showcase__visual img {
  transition: transform 0.6s ease;
}
.showcase__visual:hover img {
  transform: scale(1.04);
}
.showcase__visual .label {
  position: absolute;
  bottom: 1.1em;
  left: 1.1em;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.74em;
  color: var(--yellow);
  padding: 0.4em 0.75em;
  z-index: 2;
}

.cta {
  background: var(--paper);
  padding: 8em clamp(1.2em, 3vw, 3em);
  text-align: center;
}
.cta__inner {
  max-width: 1100px;
  margin: 0 auto;
}
.cta h2 em {
  font-style: normal;
  background: linear-gradient(120deg, var(--pink) 0%, var(--pink-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.cta__actions {
  display: inline-flex;
  gap: 0.7em;
  margin-top: 1em;
  flex-wrap: wrap;
  justify-content: center;
}

.footer {
  background: var(--ink);
  color: var(--paper);
  padding: 4em clamp(1.2em, 3vw, 3em) 2.5em;
}
.footer__top {
  max-width: 1400px;
  margin: 0 auto 3em;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3em;
}
.footer h4 {
  color: var(--paper);
  font-size: 0.78em;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 500;
  text-transform: uppercase;
}
.footer ul {
  list-style: none;
  display: grid;
  gap: 0.6em;
}
.footer a {
  color: var(--muted-dark);
  font-size: 0.92em;
}
.footer a:hover {
  color: var(--paper);
}
.footer__brand {
  font-family: 'Inter Tight', sans-serif;
  font-size: clamp(2.4em, 6vw, 4em);
  font-weight: 900;
  color: var(--paper);
  line-height: 0.95;
}
.footer__brand em {
  font-style: normal;
  color: var(--yellow);
}
.footer__bot {
  max-width: 1400px;
  margin: 0 auto;
  padding-top: 2em;
  border-top: 1px solid var(--line-dark);
  display: flex;
  justify-content: space-between;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.74em;
  color: var(--muted-dark);
}

/* ── RESPONSIVE OVERRIDES ── */
@media (max-width: 900px) {
  .hero__row {
    grid-template-columns: 1fr;
    gap: 1.6em;
  }
  .hero__meta {
    text-align: left;
  }
  .intro__grid,
  .gallery__head,
  .split,
  .api__inner,
  .showcase__inner {
    grid-template-columns: 1fr;
  }
  .intro__grid,
  .gallery__head {
    gap: 1.5em;
  }
  .features__grid {
    grid-template-columns: 1fr;
  }
  .split {
    gap: 2em;
    padding: 4em 1.2em;
  }
  .split--reverse .split__media {
    order: 0;
  }
  .split__media {
    aspect-ratio: 4/3;
    max-height: 480px;
  }
  .gallery__grid {
    grid-template-columns: 1fr;
  }
  .api__inner {
    gap: 2em;
  }
}

@media (max-width: 800px) {
  .footer__top {
    grid-template-columns: 1fr;
    gap: 2em;
  }
  .footer__bot {
    flex-direction: column;
    gap: 0.6em;
  }
}

@media (max-width: 700px) {
  .nav__links li:not(:last-child) {
    display: none;
  }
}

/* Feature body overlaid on the WebGL shader */
.feature__shader .feature__body {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(10, 10, 11, 0.72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 0;
}

/* Text overlay for full-section WebGL (split-dark without split grid) */
.split-overlay {
  position: relative;
  z-index: 2;
  max-width: 1100px;
  margin: 0 auto;
  padding: 6em clamp(1.2em, 3vw, 3em);
}

/* Full-width brand image break */
.brand-image {
  position: relative;
  z-index: 1;
  background: var(--ink);
  padding: 3em clamp(1.2em, 3vw, 3em);
}
.brand-image__inner {
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(244, 240, 230, 0.1);
}
.brand-image__inner img {
  width: 100%;
  display: block;
}