:root {
  --ink: #0e1316;
  --ink-2: #121a1e;
  --panel: #151c20;
  --code: #0b0f11;
  --line: #222c31;
  --line-2: #263137;
  --frame: #2a363c;
  --ghost: #3a4a50;
  --parchment: #ece6d6;
  --text-2: #c9c2b0;
  --muted: #a9a291;
  --faint: #8a9a90;
  --sage: #8db89c;
  --sage-2: #9cc7aa;
  --brass: #d3a85f;
  --paper: #f4efe3;
  --paper-line: #cfc6b0;
  --paper-ink: #1a2024;
  --paper-muted: #4a4f50;
  --paper-accent: #4e7a5e;
  --paper-eyebrow: #7a5a1f;
  --display: "Cormorant Garamond", Georgia, serif;
  --sans: "Ubuntu Sans", system-ui, sans-serif;
  --mono: "Ubuntu Sans Mono", ui-monospace, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--parchment);
  font: 17px/1.6 var(--sans);
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--sage-2); }
a:hover { color: #c4e2cd; }
:focus-visible { outline: 2px solid var(--brass); outline-offset: 3px; }
h1, h2, p, figure, ol, pre { margin: 0; }
code, pre { font-family: var(--mono); }

.wrap { max-width: 1240px; margin: 0 auto; padding-inline: 24px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; z-index: 10; background: var(--parchment); color: var(--ink); padding: 8px 12px; }

.eyebrow {
  font: 13px var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brass);
}
.h2 {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  line-height: 1.05;
}
.lede { color: var(--muted); }
.stack { display: flex; flex-direction: column; gap: 12px; }
.section-head {
  display: flex; flex-wrap: wrap; align-items: flex-end;
  justify-content: space-between; gap: 16px 48px;
}
.section-head .stack { max-width: 640px; }
.section-head > p { max-width: 26em; }

.btn {
  display: inline-block; text-decoration: none; font-weight: 600;
  padding: 15px 24px; border-radius: 6px; line-height: 1.2;
}
.btn-primary { background: var(--sage); color: var(--ink); }
.btn-primary:hover { background: var(--sage-2); color: var(--ink); }
.btn-ghost { border: 1px solid var(--ghost); color: var(--parchment); font-weight: 500; padding: 14px 24px; }
.btn-ghost:hover { border-color: var(--sage); color: var(--parchment); }

/* Nav */
.site-header { position: relative; z-index: 2; border-bottom: 1px solid var(--line); }
.nav { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 32px; padding-block: 18px; }
.nav .brand { margin-right: auto; }
.nav .brand img { height: 48px; width: auto; }
.nav-links { display: flex; flex-wrap: wrap; gap: 4px 24px; font-size: 15px; }
.nav-links a { color: var(--text-2); text-decoration: none; padding: 10px 0; }
.nav-links a:hover { color: var(--parchment); }
.nav .btn { font-size: 15px; padding: 11px 18px; }
.support-links { display: flex; align-items: center; gap: 8px; }
.support-link {
  display: inline-flex; align-items: center; gap: 7px; min-height: 40px; padding: 0 12px;
  border: 1px solid var(--support-border); border-radius: 6px; background: var(--support-bg);
  color: var(--support-color); font-size: 14px; text-decoration: none; white-space: nowrap;
}
.support-link:hover { color: var(--support-color); border-color: var(--support-color); }
.support-link:focus-visible { outline-color: var(--support-color); }
.support-link svg { width: 16px; height: 16px; flex: none; }
.support-patreon { --support-color: #ff9d91; --support-bg: #2d201e; --support-border: #68413b; }
.support-coffee { --support-color: #f5dc7d; --support-bg: #292619; --support-border: #605536; }
@media (max-width: 1100px) {
  .support-link { width: 40px; padding: 0; justify-content: center; }
  .support-link span { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
}
@media (max-width: 900px) {
  .nav { gap: 4px 16px; padding-block: 12px 4px; }
  .nav .brand img { height: 40px; }
  .nav .brand { order: 1; }
  .support-links { order: 2; gap: 6px; }
  .support-link { width: 38px; min-height: 38px; }
  .nav .btn { order: 3; padding: 9px 14px; }
  .nav-links {
    order: 4; flex: 1 0 100%; flex-wrap: nowrap; justify-content: flex-start;
    gap: 28px; overflow-x: auto; scrollbar-width: none;
  }
  .nav-links::-webkit-scrollbar { display: none; }
  .nav-links a { white-space: nowrap; padding: 12px 0; }
}
@media (max-width: 380px) {
  .nav { gap: 4px 10px; }
  .nav .brand img { height: 34px; }
  .nav .btn { padding: 9px 11px; font-size: 14px; }
  .nav .btn .ver { display: none; }
  .nav-links { font-size: 14px; }
}
@media (max-width: 640px) { .nav-links { justify-content: space-between; gap: 12px; } }

/* Hero */
.hero { position: relative; overflow: hidden; }
.hero-contours { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0.13; }
.hero-inner {
  position: relative; display: flex; flex-wrap: wrap; align-items: center;
  gap: 56px; padding-block: 72px 96px;
}
.hero-copy { flex: 999 1 520px; min-width: 0; display: flex; flex-direction: column; gap: 28px; }
.hero h1 {
  font-family: var(--display); font-weight: 500;
  font-size: clamp(3rem, 7vw, 5.6rem); line-height: 0.98; letter-spacing: -0.01em;
}
.hero h1 em, .cta h2 em { color: var(--sage-2); }
.hero-sub { max-width: 34em; font-size: 19px; color: var(--text-2); }
.actions { display: flex; flex-wrap: wrap; gap: 14px; }
.prompt {
  display: flex; align-items: center; gap: 12px; max-width: 100%;
  background: var(--panel); border: 1px solid var(--line-2); border-radius: 8px;
  padding: 14px 18px; font: 14px var(--mono); color: #d8d1bf;
}
.prompt > span:last-child { min-width: 0; }
.prompt > span:last-child > span { white-space: nowrap; }
.prompt span:first-child { color: #6e8a7a; align-self: flex-start; }
.hero-figure { flex: 1 1 340px; position: relative; display: flex; justify-content: center; }
.hero-figure img {
  width: 100%; max-width: 420px; aspect-ratio: 1 / 2.1; object-fit: cover;
  border-radius: 4px; border: 1px solid var(--frame);
  box-shadow: 0 40px 90px rgba(0, 0, 0, 0.55);
}
@media (max-width: 640px) { .hero-inner { gap: 40px; padding-block: 40px 64px; } .hero-figure img { max-width: 300px; } }
.chip {
  position: absolute; bottom: 18px; left: 50%; transform: translateX(-50%);
  font: 12px var(--mono); letter-spacing: 0.08em; white-space: nowrap;
  background: rgba(14, 19, 22, 0.82); padding: 6px 12px; border-radius: 4px;
}

/* Descent */
.band { background: var(--ink-2); border-block: 1px solid var(--line); }
.descent { display: flex; flex-direction: column; gap: 48px; padding-block: 88px; }
.descent ol {
  list-style: none; padding: 0;
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px;
}
@media (max-width: 900px) { .descent ol { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 16px; } }
@media (max-width: 380px) { .descent ol { grid-template-columns: 1fr; } }
.descent li { display: flex; flex-direction: column; gap: 12px; }
.descent img, .frame {
  width: 100%; aspect-ratio: 1; object-fit: cover;
  border-radius: 4px; border: 1px solid var(--frame);
}
.scale { font: 12px var(--mono); color: var(--brass); letter-spacing: 0.08em; }
.card-title { font-family: var(--display); font-size: 26px; font-weight: 600; line-height: 1.1; }
.descent li > span:last-child { font-size: 15px; color: var(--muted); }

/* Showcase */
.showcase { display: flex; flex-direction: column; gap: 36px; padding-block: 104px 96px; }
.showcase .stack { max-width: 720px; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; }
.filters button {
  font: 500 15px var(--sans); padding: 11px 18px; min-height: 44px;
  border-radius: 999px; cursor: pointer;
  background: transparent; color: var(--text-2); border: 1px solid var(--ghost);
}
.filters button:hover { border-color: var(--sage); }
.filters button[aria-pressed="true"] { background: var(--parchment); color: var(--ink); border-color: var(--parchment); }
.gallery {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-auto-flow: dense; gap: 14px;
}
@media (max-width: 1000px) { .gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 600px) { .gallery { grid-template-columns: 1fr; } }
.shot {
  position: relative; border-radius: 4px; overflow: hidden;
  border: 1px solid var(--frame); background: var(--panel);
}
.shot[hidden] { display: none; }
.shot button { all: unset; display: block; width: 100%; height: 100%; cursor: zoom-in; }
.shot button:focus-visible { outline: 2px solid var(--brass); outline-offset: -2px; }
.shot img { width: 100%; height: 100%; aspect-ratio: 1; object-fit: cover; transition: transform 0.6s ease; }
.shot:hover img { transform: scale(1.04); }
.gallery:not(.filtered) .shot.big { grid-column: span 2; grid-row: span 2; }
@media (max-width: 600px) { .gallery:not(.filtered) .shot.big { grid-column: auto; grid-row: auto; } }
.shot figcaption {
  position: absolute; inset: auto 0 0; padding: 36px 16px 14px; pointer-events: none;
  background: linear-gradient(to top, rgba(10, 14, 16, 0.92), rgba(10, 14, 16, 0));
  display: flex; flex-direction: column; gap: 2px;
}
.shot strong { font-family: var(--display); font-size: 22px; font-weight: 600; color: #f2ecdd; line-height: 1.15; }
.shot figcaption span { font: 12px var(--mono); color: var(--text-2); }

/* Lightbox */
.lightbox {
  border: 0; padding: 0; background: transparent; max-width: min(92vw, 1100px); max-height: 92vh;
  color: var(--parchment);
}
.lightbox::backdrop { background: rgba(6, 9, 10, 0.88); }
.lightbox img { max-height: 82vh; width: auto; margin: 0 auto; border-radius: 4px; }
.lightbox p { text-align: center; padding-top: 10px; font: 13px var(--mono); color: var(--text-2); }
.lightbox .close {
  position: absolute; top: 8px; right: 8px; width: 44px; height: 44px; border-radius: 50%;
  border: 0; background: rgba(14, 19, 22, 0.8); color: var(--parchment); font-size: 22px; cursor: pointer;
}

/* How it works */
.paper { background: var(--parchment); color: var(--paper-ink); }
.paper .eyebrow { color: var(--paper-eyebrow); }
.paper .section-head > p { color: var(--paper-muted); max-width: 28em; }
.paper a { color: var(--paper-accent); }
.how { display: flex; flex-direction: column; gap: 56px; padding-block: 104px; }
.steps {
  list-style: none; padding: 0;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1px; background: var(--paper-line); border: 1px solid var(--paper-line);
  border-radius: 8px; overflow: hidden;
}
.steps li { background: var(--paper); padding: 28px; display: flex; flex-direction: column; gap: 10px; }
.numeral { font-family: var(--display); font-size: 40px; font-style: italic; color: var(--paper-accent); line-height: 1; }
.steps strong { font-size: 18px; }
.steps li > span:last-child { color: var(--paper-muted); font-size: 15px; }
.steps code { font-size: 14px; }
.principles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; }
@media (max-width: 760px) { .principles { grid-template-columns: 1fr; gap: 28px; } }
.principles div { display: flex; flex-direction: column; gap: 8px; border-top: 2px solid var(--paper-ink); padding-top: 18px; }
.principles strong { font-family: var(--display); font-size: 26px; font-weight: 600; }
.principles span { color: var(--paper-muted); font-size: 15px; }

/* Tutorial */
.tutorial { display: flex; flex-wrap: wrap; gap: 56px; padding-block: 104px; }
.tutorial-intro { flex: 1 1 320px; min-width: 0; display: flex; flex-direction: column; gap: 16px; }
.tutorial-intro .frame { max-width: 420px; margin-top: 12px; }
@media (max-width: 1100px) { .tutorial-intro .frame { display: none; } }
.tutorial-intro .note { font-size: 15px; color: var(--muted); }
.lesson { flex: 999 1 660px; min-width: 0; list-style: none; padding: 0; display: flex; flex-direction: column; gap: 14px; counter-reset: lesson; }
.lesson li {
  display: flex; gap: 20px; background: var(--panel);
  border: 1px solid var(--line-2); border-radius: 8px; padding: 24px;
  counter-increment: lesson;
}
.lesson li::before {
  content: counter(lesson);
  flex: none; width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid var(--sage); color: var(--sage-2);
  display: flex; align-items: center; justify-content: center;
  font: 600 22px var(--display);
}
.lesson .body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 10px; }
.lesson strong { font-size: 18px; }
.lesson .body > span { color: var(--muted); font-size: 15px; }
.code {
  display: flex; align-items: flex-start; background: var(--code); border-radius: 6px;
}
.code pre {
  flex: 1; min-width: 0; padding: 14px 16px; overflow-x: auto;
  font-size: 14px; color: #d8d1bf; line-height: 1.6;
}
.copy {
  flex: none; margin: 8px 8px 0 0; min-height: 32px;
  font: 500 12px var(--sans); padding: 6px 10px; border-radius: 4px; cursor: pointer;
  background: transparent; color: var(--text-2); border: 1px solid var(--ghost);
}
.copy:hover { border-color: var(--sage); color: var(--parchment); }

/* Underground */
.under { display: flex; flex-wrap: wrap; align-items: center; gap: 48px; padding-block: 88px; }
.under-copy { flex: 1 1 340px; min-width: 0; display: flex; flex-direction: column; gap: 14px; }
.under-copy h2 { font-size: clamp(2rem, 4vw, 3rem); }
.under-copy .code { background: var(--panel); border: 1px solid var(--line-2); }
.under-pics { flex: 2 1 520px; min-width: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.under-pics img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 4px; border: 1px solid var(--frame); }
@media (max-width: 560px) { .under-pics { grid-template-columns: 1fr; } }

/* CTA + footer */
.cta { max-width: 860px; margin: 0 auto; padding: 112px 24px; display: flex; flex-direction: column; align-items: center; text-align: center; gap: 24px; }
.cta h2 { font-size: clamp(2.6rem, 6vw, 4.4rem); line-height: 1; }
.cta p { max-width: 32em; }
.cta code { font-size: 14px; color: var(--faint); overflow-wrap: anywhere; }
.site-footer { border-top: 1px solid var(--line); }
.site-footer .wrap { padding-block: 28px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; font-size: 14px; color: var(--faint); }
.site-footer .brandline { display: flex; align-items: center; gap: 14px; }
.site-footer img { height: 32px; width: auto; }

@media (max-width: 640px) {
  .descent, .under { padding-block: 64px; }
  .showcase, .how, .tutorial { padding-block: 72px; }
  .how { gap: 40px; }
  .steps li { padding: 22px; }
  .cta { padding-block: 80px; }
  .wrap { padding-inline: 18px; }
}

/* Reveal on scroll */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.8s ease, transform 0.8s ease; }
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .shot img { transition: none; }
}

@media (max-width: 560px) {
  .lesson li { flex-direction: column; gap: 14px; padding: 20px; }
  .code pre { font-size: 13px; }
}