:root {
  color-scheme: dark;
  --bg: #171513;
  --surface: #1f1c19;
  --surface-2: #29241f;
  --ink: #f2ece3;
  --ink-soft: #d2c9bd;
  --muted: #9a9187;
  --line: #403a35;
  --accent: #eb6733;
  --accent-strong: #ff7c42;
  --accent-ink: #1b120e;
  --code: #100f0e;
  --shadow: rgb(8 7 6 / 0.38);
  --display: "Arial Black", "Helvetica Neue", Impact, sans-serif;
  --body: "Avenir Next", Avenir, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #eee8de;
  --surface: #f8f3ea;
  --surface-2: #e5ddd2;
  --ink: #1c1916;
  --ink-soft: #39332e;
  --muted: #6f665e;
  --line: #c6baad;
  --accent: #d94f1f;
  --accent-strong: #bf3e13;
  --accent-ink: #fff8ef;
  --code: #24201d;
  --shadow: rgb(66 49 37 / 0.18);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }
#install, #card-builder, #privacy { scroll-margin-top: 90px; }
body { margin: 0; overflow-x: clip; color: var(--ink); background: var(--bg); font-family: var(--body); }
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }
button { color: inherit; }
img { display: block; max-width: 100%; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
:where(a, button, input, select):focus-visible { outline: 2px solid var(--accent-strong); outline-offset: 4px; }
.skip-link { position: fixed; left: 16px; top: -64px; z-index: 20; padding: 11px 16px; color: var(--accent-ink); background: var(--accent); font: 700 12px var(--mono); }
.skip-link:focus { top: 16px; }

.site-header { position: sticky; top: 0; z-index: 10; width: min(100% - 48px, 1440px); height: 76px; margin: auto; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; border-bottom: 1px solid var(--line); background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: blur(14px); }
.wordmark { width: fit-content; display: inline-flex; align-items: center; gap: 10px; font: 900 17px/1 var(--mono); letter-spacing: -.05em; }
.wordmark img { width: 28px; height: 28px; }
nav { display: flex; gap: 30px; color: var(--muted); font: 700 11px/1 var(--mono); }
nav a { padding: 12px 0; transition: color .18s ease; }
nav a:hover { color: var(--ink); }
.header-actions { justify-self: end; display: flex; align-items: center; gap: 8px; }
.language-control select { min-height: 34px; padding: 0 28px 0 10px; border: 1px solid var(--line); border-radius: 0; color: var(--ink); background: var(--bg); cursor: pointer; font: 700 10px var(--mono); }
.theme-toggle { min-width: 58px; min-height: 34px; border: 1px solid var(--line); background: transparent; cursor: pointer; font: 700 10px var(--mono); text-transform: uppercase; transition: color .18s ease, border-color .18s ease, background-color .18s ease; }
.theme-toggle:hover { color: var(--accent); border-color: var(--accent); }

.hero { width: min(100% - 48px, 1440px); min-height: min(940px, calc(100svh - 76px)); margin: auto; padding: 80px 0 92px; display: grid; grid-template-columns: minmax(0, .86fr) minmax(480px, 1.14fr); gap: clamp(52px, 7vw, 110px); align-items: center; }
.kicker, .section-heading > p:first-child, .privacy-section > div > p, .install-panel-head p, .cli-fallback > div > p { margin: 0; color: var(--accent); font: 800 10px/1 var(--mono); letter-spacing: .17em; }
.hero h1 { max-width: 720px; margin: 24px 0 27px; font: 900 clamp(58px, 6.6vw, 104px)/.88 var(--display); letter-spacing: -.072em; text-transform: uppercase; text-wrap: balance; }
.lede { max-width: 620px; margin: 0; color: var(--ink-soft); font-size: clamp(18px, 1.55vw, 23px); line-height: 1.48; text-wrap: pretty; }
.hero-actions { margin-top: 36px; display: flex; flex-wrap: wrap; gap: 10px; }
.button { min-height: 50px; padding: 0 20px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--line); font: 800 12px var(--mono); transition: transform .16s ease, color .18s ease, background-color .18s ease, border-color .18s ease; }
.button:hover { transform: translateY(-2px); }
.button.primary { color: var(--accent-ink); border-color: var(--accent); background: var(--accent); }
.button.primary:hover { background: var(--accent-strong); border-color: var(--accent-strong); }
.button.secondary:hover { color: var(--accent); border-color: var(--accent); }
.hero-facts { max-width: 620px; margin: 54px 0 0; padding-top: 20px; display: grid; grid-template-columns: 1fr 1fr; gap: 28px; border-top: 1px solid var(--line); }
.hero-facts div { min-width: 0; }
.hero-facts dt { margin-bottom: 8px; color: var(--muted); font: 700 10px var(--mono); text-transform: uppercase; }
.hero-facts dd { margin: 0; color: var(--ink-soft); font-size: 13px; line-height: 1.45; }

.live-card { position: relative; margin: 0; padding: 20px 20px 28px; border: 1px solid var(--line); background: var(--surface); box-shadow: 24px 28px 0 var(--shadow); transform: rotate(1deg); }
.live-card::before { content: ""; position: absolute; width: 94px; height: 34px; top: -16px; left: 15%; background: color-mix(in srgb, var(--accent) 46%, transparent); transform: rotate(-4deg); }
.live-card figcaption { padding: 3px 3px 17px; display: flex; justify-content: space-between; color: var(--muted); font: 700 10px var(--mono); text-transform: uppercase; }
.live-card figcaption a { color: var(--accent); }
.live-card img { width: 100%; height: auto; border: 1px solid var(--line); background: transparent; }

.proof-strip { min-height: 82px; padding: 24px max(24px, calc((100vw - 1440px) / 2)); display: grid; grid-template-columns: repeat(4, 1fr); align-items: center; color: var(--accent-ink); background: var(--accent); font: 900 clamp(13px, 1.35vw, 19px) var(--display); letter-spacing: -.02em; text-align: center; text-transform: uppercase; }
.proof-strip span + span { border-left: 1px solid color-mix(in srgb, var(--accent-ink) 24%, transparent); }

.install-section, .builder-section { width: min(100% - 48px, 1440px); margin: auto; padding: 128px 0; }
.section-heading { display: grid; grid-template-columns: minmax(280px, .8fr) minmax(420px, 1.2fr); column-gap: clamp(40px, 8vw, 130px); align-items: end; }
.section-heading > p:first-child { grid-column: 1 / -1; margin-bottom: 22px; }
.section-heading h2, .privacy-section h2, .final-cta h2 { margin: 0; font: 900 clamp(42px, 5.1vw, 78px)/.95 var(--display); letter-spacing: -.06em; text-transform: uppercase; text-wrap: balance; }
.section-heading > p:last-child { max-width: 620px; margin: 0; color: var(--muted); font-size: 17px; line-height: 1.6; }

.installer { margin-top: 74px; display: grid; grid-template-columns: minmax(260px, .62fr) minmax(0, 1.38fr); gap: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.harness-list { padding: 18px 30px 18px 0; display: flex; flex-direction: column; border-right: 1px solid var(--line); }
.harness-list button { width: 100%; min-height: 66px; padding: 13px 14px; display: flex; align-items: center; justify-content: space-between; gap: 14px; border: 0; border-left: 3px solid transparent; color: var(--muted); background: transparent; cursor: pointer; text-align: left; transition: color .18s ease, background-color .18s ease, border-color .18s ease, transform .16s ease; }
.harness-list button:hover { color: var(--ink); transform: translateX(3px); }
.harness-list button.active { color: var(--ink); border-left-color: var(--accent); background: var(--surface); }
.harness-list strong { font-size: 15px; }
.harness-list span { flex: none; font: 700 9px var(--mono); text-transform: uppercase; }
.install-panel { min-height: 590px; padding: 46px clamp(30px, 5vw, 74px); background: var(--surface); }
.install-panel-head { display: flex; align-items: start; justify-content: space-between; gap: 30px; }
.install-panel-head h3 { margin: 11px 0 0; font: 900 clamp(30px, 3.2vw, 48px)/1 var(--display); letter-spacing: -.045em; text-transform: uppercase; }
.install-panel-head > span { padding-top: 2px; color: var(--muted); font: 700 10px var(--mono); text-align: right; }
.install-summary { max-width: 760px; margin: 26px 0 32px; color: var(--ink-soft); font-size: 16px; line-height: 1.6; }
.install-steps { margin: 0 0 30px; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; list-style: none; counter-reset: install-step; }
.install-steps li { counter-increment: install-step; min-height: 108px; padding: 15px 16px; border-top: 2px solid var(--accent); background: var(--surface-2); color: var(--ink-soft); font-size: 13px; line-height: 1.48; }
.install-steps li::before { content: counter(install-step); display: block; margin-bottom: 18px; color: var(--accent); font: 800 10px var(--mono); }
.command-block { display: grid; grid-template-columns: minmax(0, 1fr) auto; border: 1px solid var(--line); background: var(--code); }
.command-block pre { min-width: 0; margin: 0; padding: 21px 22px; overflow-x: auto; color: #f1e9df; font: 12px/1.8 var(--mono); }
.command-block button { min-width: 88px; border: 0; border-left: 1px solid var(--line); color: #b0a79c; background: transparent; cursor: pointer; font: 800 10px var(--mono); text-transform: uppercase; transition: color .18s ease, background-color .18s ease; }
.command-block button:hover { color: var(--accent-ink); background: var(--accent); }
.install-note { margin: 20px 0 0; color: var(--muted); font: 11px/1.6 var(--mono); }
.cli-fallback { margin-top: 34px; padding: 28px 30px; display: grid; grid-template-columns: minmax(240px, .65fr) minmax(0, 1.35fr); gap: 44px; align-items: center; border: 1px solid var(--line); }
.cli-fallback h3 { margin: 9px 0 5px; font-size: 20px; }
.cli-fallback span { color: var(--muted); font-size: 13px; }
.compact-command pre { padding-top: 15px; padding-bottom: 15px; }

.builder-section { width: 100%; max-width: none; padding-left: max(24px, calc((100vw - 1440px) / 2)); padding-right: max(24px, calc((100vw - 1440px) / 2)); background: var(--surface); }
.builder-heading { max-width: 1440px; margin: auto; }
.builder-shell { max-width: 1440px; margin: 74px auto 0; display: grid; grid-template-columns: minmax(340px, .72fr) minmax(0, 1.28fr); gap: clamp(40px, 6vw, 90px); }
.builder-controls { padding-right: 42px; border-right: 1px solid var(--line); }
.username-field { display: grid; gap: 11px; }
.username-field span, fieldset legend, .output-field label, .preview-head { color: var(--muted); font: 800 10px var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.username-field input, .output-field input { width: 100%; height: 48px; border: 1px solid var(--line); color: var(--ink); background: var(--bg); font: 13px var(--mono); }
.username-field input { padding: 0 14px; }
fieldset { min-width: 0; margin: 34px 0 0; padding: 0; border: 0; }
fieldset legend { margin-bottom: 14px; }
.preset-grid { display: grid; gap: 9px; }
.card-theme-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
:is(.preset-grid, .card-theme-grid) label { cursor: pointer; }
:is(.preset-grid, .card-theme-grid) input { position: absolute; opacity: 0; pointer-events: none; }
:is(.preset-grid, .card-theme-grid) span { min-height: 68px; padding: 13px 14px; display: flex; justify-content: space-between; align-items: center; gap: 14px; border: 1px solid var(--line); transition: color .18s ease, background-color .18s ease, border-color .18s ease, transform .16s ease; }
.card-theme-grid span { min-height: 74px; align-items: flex-start; flex-direction: column; justify-content: center; gap: 5px; }
:is(.preset-grid, .card-theme-grid) label:hover span { transform: translateX(3px); }
:is(.preset-grid, .card-theme-grid) input:checked + span { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 10%, transparent); }
:is(.preset-grid, .card-theme-grid) input:focus-visible + span { outline: 2px solid var(--accent-strong); outline-offset: 4px; }
:is(.preset-grid, .card-theme-grid) strong { font-size: 14px; }
:is(.preset-grid, .card-theme-grid) small { color: var(--muted); font: 10px var(--mono); }
.option-list { display: grid; gap: 0; }
.option-list label { min-height: 46px; display: flex; align-items: center; gap: 12px; border-bottom: 1px solid var(--line); color: var(--ink-soft); font-size: 13px; cursor: pointer; }
.option-list input { width: 16px; height: 16px; accent-color: var(--accent); }
.option-list label:has(input:disabled) { opacity: .45; cursor: not-allowed; }
.builder-output { min-width: 0; }
.preview-head { margin-bottom: 12px; display: flex; justify-content: space-between; }
#preview-state { color: var(--accent); }
.preview-stage { min-height: 350px; padding: clamp(14px, 2.5vw, 30px); display: grid; place-items: center; overflow: hidden; border: 1px solid var(--line); background: var(--bg); }
.preview-stage img { width: 100%; max-height: 620px; object-fit: contain; filter: drop-shadow(0 15px 24px var(--shadow)); }
.output-field { margin-top: 18px; }
.output-field label { display: block; margin-bottom: 9px; }
.output-field > div { display: grid; grid-template-columns: minmax(0, 1fr) 72px; }
.output-field input { padding: 0 13px; border-right: 0; color: var(--muted); }
.output-field button { border: 1px solid var(--line); color: var(--ink); background: var(--surface-2); cursor: pointer; font: 800 10px var(--mono); text-transform: uppercase; }
.output-field button:hover { color: var(--accent-ink); background: var(--accent); }
.builder-message { margin: 14px 0 0; color: var(--muted); font: 10px/1.5 var(--mono); }

.privacy-section { width: min(100% - 48px, 1440px); margin: auto; padding: 132px 0; display: grid; grid-template-columns: minmax(330px, .85fr) minmax(0, 1.15fr); gap: clamp(70px, 10vw, 160px); }
.privacy-section h2 { margin-top: 22px; font-size: clamp(40px, 4.8vw, 72px); }
.privacy-section dl { margin: 0; }
.privacy-section dl div { padding: 24px 0 28px; display: grid; grid-template-columns: 180px 1fr; gap: 28px; border-bottom: 1px solid var(--line); }
.privacy-section dt { color: var(--accent); font: 800 11px var(--mono); text-transform: uppercase; }
.privacy-section dd { margin: 0; color: var(--ink-soft); font-size: 15px; line-height: 1.6; }

.final-cta { padding: 120px 24px 128px; color: #18120f; background: #ef6b37; text-align: center; }
.final-cta img { margin: 0 auto 25px; }
.final-cta h2 { max-width: 900px; margin: auto; }
.final-cta p { margin: 20px 0 0; font-size: 18px; }
.final-cta .hero-actions { justify-content: center; }
.final-cta .button { border-color: #18120f; }
.final-cta .button.primary { color: #f4ede4; background: #18120f; }
.final-cta .button.secondary:hover { color: #f4ede4; background: #18120f; }
footer { min-height: 84px; padding: 25px max(24px, calc((100vw - 1440px) / 2)); display: flex; align-items: center; justify-content: space-between; color: var(--muted); font: 10px var(--mono); }

@media (max-width: 980px) {
  .site-header { grid-template-columns: 1fr auto; }
  nav { display: none; }
  .hero { min-height: 0; grid-template-columns: 1fr; padding-top: 82px; }
  .hero-copy { max-width: 760px; }
  .live-card { max-width: 760px; }
  .section-heading { grid-template-columns: 1fr; gap: 25px; }
  .installer { grid-template-columns: 1fr; }
  .harness-list { padding: 12px 0; flex-direction: row; overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .harness-list button { width: 190px; flex: 0 0 190px; min-height: 62px; border-left: 0; border-bottom: 3px solid transparent; }
  .harness-list button.active { border-left-color: transparent; border-bottom-color: var(--accent); }
  .harness-list button:hover { transform: translateY(-2px); }
  .install-panel { min-height: 0; }
  .builder-shell, .privacy-section { grid-template-columns: 1fr; }
  .builder-controls { padding: 0 0 44px; border-right: 0; border-bottom: 1px solid var(--line); }
  .privacy-section { gap: 55px; }
}

@media (max-width: 680px) {
  .site-header, .hero, .install-section, .privacy-section { width: min(100% - 32px, 1440px); }
  .site-header { height: 66px; }
  .wordmark span { display: none; }
  .language-control select { max-width: 112px; }
  .hero { padding: 62px 0 72px; gap: 62px; }
  .hero h1 { font-size: clamp(48px, 15vw, 68px); }
  .hero-facts { grid-template-columns: 1fr; gap: 18px; }
  .live-card { padding: 13px 13px 20px; box-shadow: 13px 16px 0 var(--shadow); transform: none; }
  .proof-strip { grid-template-columns: 1fr 1fr; gap: 0; padding: 0; }
  .proof-strip span { min-height: 62px; padding: 15px 8px; display: grid; place-items: center; }
  .proof-strip span + span { border-left: 0; }
  .proof-strip span:nth-child(even) { border-left: 1px solid color-mix(in srgb, var(--accent-ink) 24%, transparent); }
  .proof-strip span:nth-child(n+3) { border-top: 1px solid color-mix(in srgb, var(--accent-ink) 24%, transparent); }
  .install-section, .builder-section { padding-top: 92px; padding-bottom: 92px; }
  .section-heading h2 { font-size: clamp(40px, 12vw, 58px); }
  .installer, .builder-shell { margin-top: 52px; }
  .install-panel { padding: 32px 18px 36px; }
  .install-panel-head { display: block; }
  .install-panel-head > span { display: block; margin-top: 12px; text-align: left; }
  .install-steps { grid-template-columns: 1fr; }
  .install-steps li { min-height: 0; }
  .command-block { grid-template-columns: 1fr; }
  .command-block button { min-height: 44px; border-left: 0; border-top: 1px solid var(--line); }
  .cli-fallback { grid-template-columns: 1fr; gap: 22px; padding: 24px 18px; }
  .builder-shell { grid-template-columns: minmax(0, 1fr); gap: 46px; }
  .builder-controls { padding-bottom: 34px; }
  .preset-grid span { align-items: start; flex-direction: column; }
  .card-theme-grid { grid-template-columns: 1fr; }
  .card-theme-grid span { min-height: 58px; flex-direction: row; align-items: center; justify-content: space-between; }
  .preview-stage { min-height: 240px; padding: 10px; }
  .privacy-section { padding-top: 94px; padding-bottom: 94px; }
  .privacy-section dl div { grid-template-columns: 1fr; gap: 12px; }
  .final-cta { padding: 92px 18px 100px; }
  footer { gap: 14px; align-items: start; flex-direction: column; }
}

@media (prefers-reduced-motion: no-preference) {
  .hero-copy > * { animation: rise .56s both cubic-bezier(.2,.75,.2,1); }
  .hero-copy > :nth-child(2) { animation-delay: .06s; }
  .hero-copy > :nth-child(3) { animation-delay: .12s; }
  .hero-copy > :nth-child(4) { animation-delay: .18s; }
  .hero-copy > :nth-child(5) { animation-delay: .24s; }
  .live-card { animation: card-in .7s .16s both cubic-bezier(.2,.75,.2,1); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .button:hover, .harness-list button:hover, :is(.preset-grid, .card-theme-grid) label:hover span { transform: none; }
}

@keyframes rise { from { opacity: 0; transform: translateY(16px); } }
@keyframes card-in { from { opacity: 0; transform: translateY(24px) rotate(1deg); } }