@font-face { font-family: "Pixelify Sans"; src: url(fonts/pixelify-sans.woff2) format("woff2"); font-weight: 400 700; font-display: swap; }
@font-face { font-family: "Atkinson Hyperlegible Next"; src: url(fonts/atkinson-next.woff2) format("woff2"); font-weight: 200 800; font-display: swap; }
@font-face { font-family: "Atkinson Hyperlegible Mono"; src: url(fonts/atkinson-mono.woff2) format("woff2"); font-weight: 200 800; font-display: swap; }

:root {
  --paper: #F5F6F1;
  --card: #FFFFFC;
  --ink: #15211D;
  --mute: #5B625A;
  --line: #D9DBD2;
  --river: #2F6FDF;
  --river-l: #CFE0F7;
  --signal: #FF8A1F;
  --bark: #8B5A34;
  --moss: #5F8F3F;
  --px: "Pixelify Sans", ui-monospace, monospace;
  --sans: "Atkinson Hyperlegible Next", system-ui, sans-serif;
  --mono: "Atkinson Hyperlegible Mono", ui-monospace, monospace;
  --shadow: 5px 5px 0 var(--ink);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 1.0625rem/1.6 var(--sans); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
canvas { image-rendering: pixelated; display: block; }
h1, h2, h3 { font-family: var(--px); font-weight: 500; line-height: 1.08; margin: 0; text-wrap: balance; }
h1 { font-size: clamp(2.75rem, 8vw, 6rem); }
h2 { font-size: clamp(2rem, 4.6vw, 3.4rem); }
h3 { font-size: 1.6rem; }
p { margin: 0; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--signal); outline-offset: 3px; }
.wrap { max-width: 1180px; margin-inline: auto; padding-inline: clamp(16px, 4vw, 40px); }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
.skip { position: absolute; left: 16px; top: -60px; z-index: 20; background: var(--ink); color: var(--paper); padding: .5rem 1rem; }
.skip:focus { top: 16px; }

/* Buttons */
.btn { display: inline-block; font: 600 .95rem/1 var(--mono); color: #fff; background: var(--river); border: 2px solid var(--ink); box-shadow: 3px 3px 0 var(--ink); padding: .8rem 1.1rem; text-decoration: none; cursor: pointer; }
.btn:active { transform: translate(3px, 3px); box-shadow: none; }
.btn-quiet { background: var(--card); color: var(--ink); }

/* Banner + nav */
.banner { background: var(--river-l); border-bottom: 2px solid var(--ink); text-align: center; padding: .5rem 1rem; font: 400 .875rem/1.4 var(--mono); }
.nav { position: sticky; top: 12px; z-index: 10; display: flex; align-items: center; gap: 1.25rem; max-width: 1180px; margin: 14px auto 0; padding: .55rem .6rem .55rem 1rem; background: var(--card); border: 2px solid var(--ink); box-shadow: var(--shadow); width: calc(100% - 32px); }
.nav nav { display: flex; gap: 1.75rem; margin-inline: auto; }
.nav nav a { font: 400 .95rem var(--mono); text-decoration: none; }
.nav nav a:hover { text-decoration: underline; text-underline-offset: 4px; }
.brand { display: flex; }
.brand img, .brand-foot img { display: block; }
.lang { font: 600 .85rem var(--mono); background: none; border: 2px solid var(--ink); padding: .45rem .6rem; cursor: pointer; color: var(--ink); }

/* Hero */
.hero { text-align: center; padding: clamp(56px, 9vw, 110px) 16px 0; }
.lede { max-width: 38rem; margin: 1.25rem auto 0; font-size: 1.2rem; color: var(--mute); }
.actions { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; margin-top: 2rem; }
.stage { position: relative; margin: clamp(40px, 6vw, 72px) -16px 0; }
.scene { position: relative; overflow: hidden; }
#scene { position: relative; width: 100%; height: auto; }
.layer { position: absolute; top: 0; left: 0; width: 100%; height: auto; }
.cloud { position: absolute; animation: drift 80s linear infinite alternate; }
.c1 { width: 160px; top: 2%; left: 8%; }
.c2 { width: 100px; top: 16%; left: 46%; animation-duration: 64s; }
.c3 { width: 130px; top: 0; right: 22%; animation-duration: 96s; animation-direction: alternate-reverse; }
@keyframes drift { to { transform: translateX(60px); } }

.win { background: var(--card); border: 2px solid var(--ink); box-shadow: var(--shadow); text-align: left; }
.bar { display: flex; align-items: center; gap: 6px; padding: 6px 8px; border-bottom: 2px solid var(--ink);
  background: repeating-linear-gradient(var(--ink) 0 1px, transparent 1px 3px) 0 50% / 100% 9px no-repeat; }
.bar span { font: 600 .8rem/1 var(--mono); background: var(--card); padding: 2px 8px 2px 4px; margin-right: auto; }
.bar i { width: 12px; height: 12px; border: 2px solid var(--ink); background: var(--card); }
.win-body { padding: 1.25rem; }

.hero-win { position: absolute; left: max(3%, calc(50% - 560px)); bottom: -64px; width: min(400px, 40%); }
.address { font: 600 1rem var(--mono); min-height: 1.6em; }
.caret { display: inline-block; width: .55em; height: 1.1em; vertical-align: -.2em; background: var(--ink); animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.seg { display: flex; margin: 1rem 0; border: 2px solid var(--ink); }
.seg button { flex: 1; font: 600 .8rem var(--mono); padding: .5rem .25rem; background: var(--card); border: 0; border-left: 2px solid var(--ink); cursor: pointer; color: var(--ink); }
.seg button:first-child { border-left: 0; }
.seg [aria-pressed="true"] { background: var(--river); color: #fff; }
.readout { margin: 0; display: grid; gap: .5rem; }
.readout div { display: grid; grid-template-columns: 7.5rem 1fr; gap: .75rem; }
.readout dt { color: var(--mute); font: 400 .9rem/1.5 var(--mono); }
.readout dd { margin: 0; font-weight: 700; line-height: 1.5; }

/* Sections */
.intro { padding-top: clamp(140px, 16vw, 200px); max-width: 860px; text-align: center; }
.intro p { margin: 1.25rem auto 0; max-width: 40rem; font-size: 1.2rem; color: var(--mute); }
.product { padding-top: clamp(80px, 10vw, 140px); }
.product-head { max-width: 46rem; }
.product-head p { margin-top: 1rem; font-size: 1.15rem; color: var(--mute); }

.steps { display: flex; margin: 3rem 0 1.5rem; overflow-x: auto; }
.steps [role="tab"] { position: relative; flex: 1; min-width: 7.5rem; display: grid; justify-items: center; gap: .6rem; padding: .5rem .5rem 0; background: none; border: 0; cursor: pointer; font: 400 1rem/1.3 var(--sans); color: var(--mute); }
.steps [role="tab"]::before { content: ""; position: absolute; top: 26px; left: calc(50% + 28px); right: calc(-50% + 28px); border-top: 2px dashed var(--line); }
.steps [role="tab"]:last-child::before { display: none; }
.steps canvas { width: 36px; height: 36px; opacity: .45; }
.steps [aria-selected="true"] { color: var(--ink); font-weight: 700; }
.steps [aria-selected="true"] canvas { opacity: 1; }
.steps [aria-selected="true"] span { text-decoration: underline 3px var(--signal); text-underline-offset: 6px; }

.panel { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(24px, 4vw, 56px); padding: clamp(24px, 4vw, 48px); min-height: 330px; align-items: center; }
.panel[hidden] { display: none; }
.copy p { margin-top: .9rem; color: var(--mute); max-width: 34rem; }
.mock { border: 2px solid var(--ink); background: var(--paper); padding: 1.25rem; }
.below { margin-top: 2rem; }

.field { display: grid; gap: .35rem; font: 400 .85rem var(--mono); color: var(--mute); margin-bottom: 1rem; }
.input { border: 2px solid var(--ink); background: var(--card); padding: .6rem .75rem; color: var(--ink); font: 600 1rem var(--mono); }
.kv { list-style: none; margin: 0; padding: 0; display: grid; gap: .1rem; }
.kv li { display: flex; justify-content: space-between; gap: 1rem; padding: .55rem 0; border-bottom: 1px dashed var(--line); }
.kv li:last-child { border-bottom: 0; }
.kv span { color: var(--mute); font: 400 .9rem/1.5 var(--mono); }
.kv b { text-align: right; }

.bars { list-style: none; margin: 0; padding: 0; display: grid; gap: .55rem; }
.bars li { display: grid; grid-template-columns: 6rem 1fr 6.5rem; align-items: center; gap: .75rem; font: 400 .85rem var(--mono); }
.bars i { height: 14px; border: 2px solid var(--ink); background: linear-gradient(90deg, var(--river) calc(var(--v) * 100%), var(--card) 0); }
.bars i.hot { background: linear-gradient(90deg, var(--signal) calc(var(--v) * 100%), var(--card) 0); }
.bars b { font: 700 .85rem var(--sans); }
.tag { margin-top: 1.1rem; display: flex; align-items: center; gap: .75rem; font: 400 .9rem var(--mono); color: var(--mute); }
.chip { display: inline-block; font: 700 .85rem var(--mono); color: var(--ink); background: var(--river-l); border: 2px solid var(--ink); padding: .2rem .6rem; }
.chip-hot { background: var(--signal); }

.mock-3d { position: relative; overflow: hidden; display: grid; place-items: end center; height: 260px; padding: 0; background: linear-gradient(var(--paper) 78%, var(--moss) 0); }
.mock-3d canvas { width: 192px; margin-bottom: 18%; }
.flood { position: absolute; inset: auto 0 0; height: 38%; background: rgb(47 111 223 / .72); border-top: 3px solid var(--river-l); display: flex; justify-content: flex-end; align-items: flex-start; padding: .5rem .75rem; }
.flood span { font: 600 .85rem var(--mono); color: #fff; }

.paper { background: var(--card); border: 2px solid var(--ink); padding: 1.1rem 1.25rem; max-width: 22rem; margin-inline: auto; box-shadow: 3px 3px 0 var(--ink); }
.paper-title { font: 600 1.2rem var(--px); margin-bottom: .75rem; }
.checks { list-style: none; margin: 0; padding: 0; display: grid; gap: .5rem; }
.checks li { display: flex; gap: .6rem; align-items: center; }
.checks li::before { content: ""; flex: none; width: 14px; height: 14px; border: 2px solid var(--ink); background: var(--card); }
.checks .done::before { background: var(--moss); box-shadow: inset 0 0 0 2px var(--card); }

.mock-split { display: grid; grid-template-columns: auto 1fr; gap: 1.5rem; align-items: center; }
#grid-map, #heat-map { width: 176px; height: auto; border: 2px solid var(--ink); }
.rank { margin: 0; padding: 0; list-style: none; counter-reset: r; display: grid; gap: .5rem; }
.rank li { counter-increment: r; display: grid; grid-template-columns: 1.5rem 1fr auto; gap: .5rem; font: 400 .95rem var(--mono); }
.rank li::before { content: counter(r); font-weight: 600; }

.gauge { position: relative; width: 120px; height: 200px; border-left: 2px solid var(--ink); background: repeating-linear-gradient(#D6402B 0 10px, var(--card) 10px 20px) 0 0 / 14px 100% no-repeat; }
.gauge i { position: absolute; left: 14px; right: 0; bottom: calc(var(--at) * 100%); border-top: 2px dashed var(--ink); }
.gauge span { position: absolute; left: 6px; bottom: 2px; font: 400 .7rem var(--mono); }
.gauge b { position: absolute; left: 0; right: 0; bottom: 0; height: calc(var(--lvl) * 100%); background: rgb(47 111 223 / .55); border-top: 3px solid var(--river); }

.log { width: 100%; border-collapse: collapse; font: 400 .9rem var(--mono); }
.log th { text-align: left; font-weight: 600; border-bottom: 2px solid var(--ink); padding: .4rem .5rem .4rem 0; }
.log td { padding: .5rem .5rem .5rem 0; border-bottom: 1px dashed var(--line); }
.files { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1rem; }
.files span { font: 600 .8rem var(--mono); border: 2px solid var(--ink); background: var(--card); padding: .3rem .55rem; }

/* Principles */
.principles { padding-top: clamp(100px, 12vw, 160px); }
.trio { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(20px, 3vw, 36px); margin-top: 2.5rem; }
.trio h3 { font-size: 1.45rem; }
.trio p { margin-top: .75rem; color: var(--mute); }
.basis { margin-top: 2.5rem; font: 400 .95rem/1.6 var(--mono); color: var(--mute); }
.limits { margin-top: 1rem; font-size: 1.15rem; max-width: 46rem; }

/* Contact */
.contact { padding-block: clamp(100px, 12vw, 160px); }
.mail { max-width: 720px; margin-inline: auto; }
.mail .win-body { padding: 1.5rem clamp(1.25rem, 4vw, 2.5rem) 2.25rem; }
.mail-row { display: flex; gap: 1rem; padding: .5rem 0; border-bottom: 1px solid var(--line); font: 400 .95rem var(--mono); }
.mail-row span { width: 5rem; color: var(--mute); }
.mail h2 { margin-top: 2rem; }
.mail .win-body > p:not(.mail-row) { margin: 1rem 0 1.75rem; color: var(--mute); max-width: 36rem; }

/* Footer */
#land { width: 100%; height: auto; aspect-ratio: 320 / 44; }
.foot { background: var(--ink); color: var(--paper); padding: 48px 0 56px; }
.foot-grid { display: grid; grid-template-columns: 1.3fr 1fr 1.3fr; gap: 2rem; }
.foot p { color: #C9CEC6; max-width: 26rem; }
.foot .brand-foot { margin-bottom: 1rem; }
.foot nav { display: grid; gap: .5rem; align-content: start; }
.foot nav a { font: 400 .95rem var(--mono); text-decoration: none; color: var(--paper); }
.foot nav a:hover { text-decoration: underline; }
.foot-note { display: grid; gap: .75rem; align-content: start; font-size: .95rem; }
.foot-note b { color: var(--paper); }

/* Legal pages */
.nav .home { margin-left: auto; }
.legal { max-width: 760px; padding-block: clamp(56px, 9vw, 96px); }
.legal h2 { font: 700 1.25rem/1.3 var(--sans); margin: 2.5rem 0 .75rem; }
.legal h1 + p { margin-top: 1rem; color: var(--mute); }
.legal p + p { margin-top: .75rem; }
.legal a { overflow-wrap: anywhere; }

@media (max-width: 860px) {
  .nav nav { display: none; }
  .nav .lang { margin-left: auto; }
  .hero-win { position: static; width: auto; margin: -8px 16px 0; }
  .intro { padding-top: 96px; }
  .panel { grid-template-columns: 1fr; min-height: 0; }
  .trio, .foot-grid { grid-template-columns: 1fr; }
  .c2 { display: none; }
}
@media (max-width: 480px) {
  .nav .btn { display: none; }
  .mock-split { grid-template-columns: 1fr; justify-items: start; }
  .readout div { grid-template-columns: 1fr; gap: 0; }
  .bars li { grid-template-columns: 4.5rem 1fr 5.5rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .cloud, .caret { animation: none; }
}