@font-face {
  font-family: "Archivo";
  src: url("/assets/fonts/archivo-latin.woff2") format("woff2");
  font-weight: 100 900;
  font-stretch: 62% 125%;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Archivo";
  src: url("/assets/fonts/archivo-latin-ext.woff2") format("woff2");
  font-weight: 100 900;
  font-stretch: 62% 125%;
  font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Atkinson Hyperlegible Next";
  src: url("/assets/fonts/atkinson-next-latin.woff2") format("woff2");
  font-weight: 200 800;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Atkinson Hyperlegible Next";
  src: url("/assets/fonts/atkinson-next-latin-ext.woff2") format("woff2");
  font-weight: 200 800;
  font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Martian Mono";
  src: url("/assets/fonts/martian-mono-latin.woff2") format("woff2");
  font-weight: 100 800;
  font-stretch: 75% 112.5%;
  font-display: swap;
}

:root {
  --paper: #F1F3EF;
  --surface: #FFFFFF;
  --surface-2: #E8ECE7;
  --ink: #10181A;
  --ink-2: #4A5558;
  --ink-3: #5F6B6D;
  --line: #D3D9D3;
  --line-strong: #B9C2BC;
  --beetle: #1B5E4B;
  --beetle-hover: #154C3D;
  --beetle-ink: #FFFFFF;
  --beetle-soft: #DCEAE3;
  --defect: #C8322A;
  --defect-soft: #FBE4E1;
  --defect-ink: #A92A22;
  --wire: #CDD4CF;
  --wire-faint: #E1E6E2;
  --wire-low: #C3CBC6;
  --glass: rgba(255, 255, 255, 0.04);

  --font-display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Atkinson Hyperlegible Next", "Segoe UI", Roboto, Arial, sans-serif;
  --font-mono: "Martian Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  --gutter: 16px;
  --radius: 10px;
  --radius-sm: 7px;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0C1113;
    --surface: #131A1D;
    --surface-2: #19232A;
    --ink: #E4E9E6;
    --ink-2: #A6B1AE;
    --ink-3: #93A09C;
    --line: #243035;
    --line-strong: #34434A;
    --beetle: #62C29D;
    --beetle-hover: #7ED1B0;
    --beetle-ink: #07130F;
    --beetle-soft: #163229;
    --defect: #FF6A5C;
    --defect-soft: #3B1C19;
    --defect-ink: #FF7B6E;
    --wire: #33424A;
    --wire-faint: #222D33;
    --wire-low: #2E3B42;
    --glass: rgba(255, 255, 255, 0.02);
  }
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
a:hover { color: var(--beetle); }

:focus-visible {
  outline: 2px solid var(--beetle);
  outline-offset: 3px;
  border-radius: 4px;
}

.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;
}

.skip-link {
  position: absolute;
  left: var(--gutter);
  top: -100px;
  padding: 10px 14px;
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--radius-sm);
  z-index: 10;
  text-decoration: none;
}
.skip-link:focus { top: 12px; color: var(--paper); }

.wrap {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--gutter);
}

h1, h2, h3 {
  font-family: var(--font-display);
  margin: 0;
  color: var(--ink);
}

/* Header */

.site-header { padding: 20px 0 8px; }

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
}
.brand:hover { color: var(--ink); }

.brand-mark { width: 34px; height: 34px; flex: none; }
.brand-dot { fill: var(--defect); }

.brand-word {
  font-family: var(--font-display);
  font-stretch: 112%;
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: -0.01em;
}

.header-meta {
  margin: 0;
  font-family: var(--font-mono);
  font-stretch: 87.5%;
  font-size: 0.75rem;
  color: var(--ink-2);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.header-meta a { color: var(--ink-2); }
.header-meta a:hover { color: var(--beetle); }
.sep { color: var(--line-strong); }

.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--beetle);
  box-shadow: 0 0 0 3px var(--beetle-soft);
}

/* Hero */

.hero { padding: 40px 0 72px; }

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-stretch: 87.5%;
  font-size: 0.78rem;
  letter-spacing: 0.01em;
  color: var(--beetle);
}

.hero-title {
  font-stretch: 116%;
  font-weight: 760;
  font-size: clamp(2.5rem, 1rem + 4.4vw, 4.5rem);
  line-height: 0.98;
  letter-spacing: -0.025em;
}
.hero-title span { color: var(--ink-3); font-weight: 600; }

.lead {
  margin: 26px 0 0;
  max-width: 34em;
  font-size: 1.15rem;
  line-height: 1.6;
  color: var(--ink-2);
}

/* Signup */

.signup { margin-top: 34px; max-width: 34rem; scroll-margin-top: 24px; }

.signup-label {
  display: block;
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 8px;
}

.signup-row {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.signup-row input {
  flex: 1 1 auto;
  min-width: 0;
  height: 50px;
  padding: 0 16px;
  font: inherit;
  font-size: 1rem;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  transition: border-color 120ms ease, box-shadow 120ms ease;
}
.signup-row input::placeholder { color: var(--ink-3); opacity: 1; }
.signup-row input:hover { border-color: var(--ink-3); }
.signup-row input:focus-visible {
  outline: none;
  border-color: var(--beetle);
  box-shadow: 0 0 0 3px var(--beetle-soft);
}
.signup-row input[aria-invalid="true"] { border-color: var(--defect); }

.btn-primary, .btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 50px;
  padding: 0 22px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 120ms ease, color 120ms ease, border-color 120ms ease, transform 120ms ease;
}

.btn-primary {
  color: var(--beetle-ink);
  background: var(--beetle);
  border: 1px solid var(--beetle);
}
.btn-primary:hover { background: var(--beetle-hover); border-color: var(--beetle-hover); }
.btn-primary:active { transform: translateY(1px); }
.btn-primary[disabled] { cursor: progress; opacity: 0.75; }

.btn-secondary {
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--line-strong);
}
.btn-secondary:hover { color: var(--ink); border-color: var(--ink); }

.hp {
  position: absolute;
  left: -10000px;
  width: 1px; height: 1px;
  overflow: hidden;
}

.signup-status {
  margin: 10px 0 0;
  min-height: 1.6em;
  font-size: 0.95rem;
  font-weight: 700;
}
.signup-status:empty { margin: 0; min-height: 0; }
.signup-status[data-tone="error"] { color: var(--defect); }
.signup-status[data-tone="ok"] { color: var(--beetle); }

.signup-note {
  margin: 10px 0 0;
  font-size: 0.875rem;
  color: var(--ink-3);
}
.signup-note a { color: var(--ink-2); }

.signup-done {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--beetle);
  border-radius: var(--radius-sm);
  background: var(--surface);
}
.signup-done h2 {
  font-size: 1.15rem;
  font-stretch: 105%;
  font-weight: 700;
}
.signup-done p { margin: 6px 0 0; color: var(--ink-2); }

/* Lens illustration */

.lens-figure { margin: 0; }

.lens-demo {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 14px;
  box-shadow: 0 1px 0 var(--line), 0 24px 48px -32px rgba(16, 24, 26, 0.35);
  touch-action: pan-y;
  user-select: none;
  -webkit-user-select: none;
}

@media (hover: hover) and (pointer: fine) {
  .lens-demo { cursor: none; }
}

.w-frame { fill: var(--surface); stroke: var(--line); }
.w-bar { fill: var(--surface-2); }
.w-line { stroke: var(--line); stroke-width: 1; }
.w-pill { fill: var(--surface); stroke: var(--line); }
.w-mono { font-family: var(--font-mono); font-stretch: 87.5%; font-size: 10px; fill: var(--ink-2); }
.w-dim { fill: var(--ink-3); }
.w-text { font-family: var(--font-body); font-size: 11.5px; fill: var(--ink-2); }
.w-strong { fill: var(--ink); font-weight: 700; }
.w-label { font-family: var(--font-body); font-size: 10.5px; font-weight: 700; fill: var(--ink-3); }
.w-h { font-family: var(--font-display); font-stretch: 110%; font-weight: 700; font-size: 19px; fill: var(--ink); }
.w-h2 { font-family: var(--font-display); font-stretch: 105%; font-weight: 700; font-size: 13px; fill: var(--ink); }
.w-accent { fill: var(--beetle); }
.w-ink-bar { fill: var(--wire); }
.w-faint { fill: var(--wire-faint); }
.w-nav-active { fill: var(--beetle-soft); }
.w-btn { fill: var(--ink); }
.w-btn-text { font-family: var(--font-body); font-size: 11.5px; font-weight: 700; fill: var(--paper); }
.w-input { fill: var(--surface); stroke: var(--line-strong); }
.w-panel { fill: var(--paper); stroke: var(--line); }
.w-chip { fill: var(--wire-faint); }
.w-chip-ok { fill: var(--beetle-soft); }
.w-check { fill: var(--surface); stroke: var(--line-strong); }
.w-helper-low { font-family: var(--font-body); font-size: 10px; fill: var(--wire-low); }

.lens-backdrop { fill: var(--surface); }
.m-outline { fill: none; stroke: var(--defect); stroke-width: 1.6; stroke-dasharray: 4 3; }
.m-underline { stroke: var(--defect); stroke-width: 1.6; stroke-dasharray: 2 2; }
.m-tag { fill: var(--defect); }
.m-tag-text { font-family: var(--font-mono); font-stretch: 87.5%; font-size: 9.5px; font-weight: 600; fill: #FFFFFF; }

.lens-glass { fill: var(--glass); stroke: var(--ink); stroke-width: 5; }
.lens-handle { stroke: var(--ink); stroke-width: 11; stroke-linecap: round; }

.lens-caption { margin-top: 16px; }

.lens-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.lens-chip {
  font-family: var(--font-mono);
  font-stretch: 87.5%;
  font-size: 0.72rem;
  padding: 7px 11px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--ink-2);
  cursor: pointer;
  transition: border-color 120ms ease, color 120ms ease, background-color 120ms ease;
}
.lens-chip:hover { border-color: var(--ink-2); color: var(--ink); }
.lens-chip[aria-pressed="true"] {
  border-color: var(--defect);
  color: var(--defect-ink);
  background: var(--defect-soft);
}

.lens-readout {
  margin: 12px 0 0;
  min-height: 3.2em;
  font-size: 0.95rem;
  color: var(--ink-2);
}
.lens-kind {
  font-family: var(--font-mono);
  font-stretch: 87.5%;
  font-size: 0.72rem;
  color: var(--defect);
  margin-right: 6px;
}

/* Sections */

.section-head { max-width: 44rem; margin-bottom: 36px; }
.section-head h2, .proof-copy h2 {
  font-stretch: 112%;
  font-weight: 700;
  font-size: clamp(1.7rem, 1.1rem + 2vw, 2.5rem);
  line-height: 1.08;
  letter-spacing: -0.015em;
}
.section-head p, .proof-copy > p {
  margin: 14px 0 0;
  color: var(--ink-2);
  font-size: 1.075rem;
}

.checks { padding: 72px 0; border-top: 1px solid var(--line); }

.check-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.check-grid li { background: var(--paper); padding: 24px 22px 26px; }
.check-kind {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-stretch: 87.5%;
  font-size: 0.72rem;
  color: var(--beetle);
}
.check-grid h3 {
  font-stretch: 104%;
  font-weight: 700;
  font-size: 1.12rem;
  line-height: 1.25;
}
.check-grid li > p:last-child { margin: 8px 0 0; color: var(--ink-2); font-size: 0.98rem; }

.proof { padding: 80px 0; background: var(--surface-2); }

.proof-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: start;
}

.principles { list-style: none; margin: 28px 0 0; padding: 0; display: grid; gap: 16px; }
.principles li { color: var(--ink-2); padding-left: 18px; position: relative; }
.principles li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.62em;
  width: 7px; height: 7px;
  border-radius: 50%;
  border: 1.5px solid var(--beetle);
}
.principles strong { color: var(--ink); }

.specimen {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 22px 20px;
  box-shadow: 0 18px 40px -30px rgba(16, 24, 26, 0.45);
}
.specimen-flag {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-stretch: 87.5%;
  font-size: 0.68rem;
  color: var(--ink-3);
}
.specimen-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.specimen-id {
  font-family: var(--font-mono);
  font-stretch: 100%;
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--ink);
}
.specimen-state {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-stretch: 87.5%;
  font-size: 0.72rem;
  color: var(--defect-ink);
  padding: 4px 9px;
  border-radius: 999px;
  background: var(--defect-soft);
}
.state-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--defect); }
.specimen-title {
  margin: 14px 0 16px;
  font-stretch: 104%;
  font-weight: 700;
  font-size: 1.2rem;
  line-height: 1.25;
}
.specimen-fields { margin: 0; border-top: 1px solid var(--line); }
.specimen-fields div {
  display: grid;
  grid-template-columns: 6.5rem 1fr;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}
.specimen-fields div:last-child { border-bottom: 0; padding-bottom: 0; }
.specimen-fields dt {
  font-family: var(--font-mono);
  font-stretch: 87.5%;
  font-size: 0.7rem;
  color: var(--ink-3);
  padding-top: 0.25em;
}
.specimen-fields dd { margin: 0; font-size: 0.95rem; color: var(--ink); }

.editions { padding: 80px 0 88px; }

.edition-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
.edition {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 22px;
  background: var(--paper);
}
.edition-state {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-stretch: 87.5%;
  font-size: 0.72rem;
  color: var(--ink-3);
}
.edition h3 { font-stretch: 112%; font-weight: 700; font-size: 1.45rem; }
.edition p:last-child { margin: 8px 0 0; color: var(--ink-2); }

.editions-cta { margin: 32px 0 0; }

.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 0 36px;
  font-size: 0.9rem;
  color: var(--ink-2);
}
.footer-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.footer-row p { margin: 0; }

/* Simple pages (privacy, thanks, 404) */

.page { padding: 48px 0 80px; }
.page .wrap { max-width: 760px; }
.page h1 {
  font-stretch: 112%;
  font-weight: 720;
  font-size: clamp(2rem, 1.3rem + 2.6vw, 3rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
}
.page h2 { font-stretch: 106%; font-weight: 700; font-size: 1.2rem; margin-top: 32px; }
.page p, .page li { color: var(--ink-2); }
.page .updated { font-family: var(--font-mono); font-stretch: 87.5%; font-size: 0.75rem; color: var(--ink-3); margin-top: 12px; }

/* Layout breakpoints */

@media (min-width: 560px) {
  .signup-row { flex-direction: row; }
  .check-grid { grid-template-columns: repeat(2, 1fr); }
  .edition-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
  :root { --gutter: 28px; }
  .hero { padding: 56px 0 96px; }
}

@media (min-width: 1024px) {
  .hero-grid { grid-template-columns: minmax(0, 11fr) minmax(0, 10fr); gap: 56px; }
  .check-grid { grid-template-columns: repeat(3, 1fr); }
  .proof-grid { grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 72px; }
  .checks { padding: 96px 0; }
  .proof { padding: 104px 0; }
  .editions { padding: 104px 0 112px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}