:root {
  --ink: #10100f;
  --ink-muted: #555a55;
  --paper: #f5f5ef;
  --paper-hard: #ffffff;
  --line: #cac9bd;
  --line-strong: #10100f;
  --steel: #284b63;
  --signal: #d94c2f;
  --lime: #b6f24a;
  --cyan: #70d7ff;
  --lavender: #cbc5ff;
  --shadow: rgba(16, 16, 15, 0.14);
  --font-display: Georgia, "Times New Roman", serif;
  --font-body: "Aptos", "Segoe UI", "Helvetica Neue", sans-serif;
  --font-mono: "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    linear-gradient(rgba(16, 16, 15, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 16, 15, 0.045) 1px, transparent 1px),
    var(--paper);
  background-size: 28px 28px;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  letter-spacing: 0;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

a {
  color: inherit;
}

.boot-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 18px;
  padding: 32px;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border: 2px solid var(--ink);
  background: var(--lime);
  color: var(--ink);
  font-family: var(--font-mono);
  font-weight: 800;
}

.site-shell {
  min-height: 100vh;
  min-width: 0;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  height: 64px;
  padding: 0 clamp(18px, 4vw, 52px);
  border-bottom: 1px solid var(--line-strong);
  background: rgba(245, 245, 239, 0.92);
  backdrop-filter: blur(12px);
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  text-decoration: none;
}

.brand-lockup strong {
  font-family: var(--font-display);
  font-size: 21px;
}

.brand-lockup span {
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-links a,
.quiet-link,
.solid-link,
.ghost-button,
.solid-button {
  min-height: 40px;
  border-radius: 6px;
  padding: 9px 13px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
  border: 1px solid transparent;
}

.quiet-link,
.nav-links a {
  color: var(--ink-muted);
}

.quiet-link:hover,
.nav-links a:hover {
  color: var(--ink);
  border-color: var(--line);
}

.nav-links .solid-link,
.nav-links .solid-link:hover {
  color: var(--paper);
}

.solid-link,
.solid-button {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper);
  box-shadow: 4px 4px 0 var(--lime);
}

.solid-link:hover,
.solid-button:hover {
  transform: translate(-1px, -1px);
  box-shadow: 6px 6px 0 var(--lime);
}

.ghost-button {
  border-color: var(--line-strong);
  background: var(--paper-hard);
  color: var(--ink);
}

.page-section {
  padding: clamp(56px, 8vw, 112px) clamp(18px, 4vw, 52px);
  border-bottom: 1px solid var(--line);
  min-width: 0;
  overflow-x: hidden;
}

.studio-hero,
.tool-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(340px, 1.06fr);
  gap: clamp(28px, 5vw, 68px);
  align-items: center;
  min-height: calc(100vh - 64px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  margin: 0 0 18px;
  padding: 6px 9px;
  border: 1px solid var(--ink);
  background: var(--cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.hero-title {
  margin: 0;
  max-width: 900px;
  font-family: var(--font-display);
  font-size: clamp(46px, 8vw, 104px);
  line-height: 0.95;
  font-weight: 900;
  overflow-wrap: break-word;
}

.hero-title .marker {
  display: inline-block;
  max-width: 100%;
  background: var(--lime);
  border: 2px solid var(--ink);
  padding: 0 10px 6px;
}

.hero-copy {
  max-width: 670px;
  margin: 24px 0 0;
  color: var(--ink-muted);
  font-size: clamp(18px, 2vw, 22px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.studio-board,
.output-board,
.metrics-board {
  border: 2px solid var(--ink);
  background: var(--paper-hard);
  box-shadow: 10px 10px 0 var(--shadow);
}

.studio-board {
  display: grid;
  min-height: 500px;
  min-width: 0;
  grid-template-rows: auto 1fr auto;
}

.board-header,
.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 2px solid var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
}

.status-dots {
  display: inline-flex;
  gap: 6px;
}

.status-dots span {
  width: 10px;
  height: 10px;
  border: 1px solid var(--ink);
  border-radius: 50%;
}

.status-dots span:nth-child(1) { background: var(--signal); }
.status-dots span:nth-child(2) { background: var(--lime); }
.status-dots span:nth-child(3) { background: var(--cyan); }

.product-scan {
  display: grid;
  gap: 0;
}

.scan-row {
  display: grid;
  grid-template-columns: 90px 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 20px;
  border-bottom: 1px solid var(--line);
}

.scan-row strong {
  font-family: var(--font-display);
  font-size: 25px;
}

.scan-row p {
  margin: 4px 0 0;
  color: var(--ink-muted);
}

.scan-tag {
  width: fit-content;
  padding: 5px 8px;
  border: 1px solid var(--ink);
  background: var(--lavender);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
}

.scan-meter {
  width: 72px;
  height: 12px;
  border: 1px solid var(--ink);
  background:
    linear-gradient(90deg, var(--lime) var(--meter, 0%), transparent var(--meter, 0%)),
    repeating-linear-gradient(90deg, transparent 0 8px, rgba(16, 16, 15, 0.12) 8px 10px);
}

.board-footer {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 2px solid var(--ink);
}

.board-stat {
  padding: 18px;
  border-right: 1px solid var(--line);
}

.board-stat:last-child {
  border-right: 0;
}

.board-stat b {
  display: block;
  font-family: var(--font-display);
  font-size: 30px;
}

.board-stat span {
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 12px;
}

.section-heading {
  max-width: 760px;
  margin: 0 0 30px;
}

.section-heading h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(34px, 5vw, 62px);
  line-height: 1;
}

.section-heading p {
  margin: 14px 0 0;
  color: var(--ink-muted);
  font-size: 18px;
}

.product-grid,
.update-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.product-tile,
.update-tile {
  min-height: 230px;
  border: 2px solid var(--ink);
  border-radius: 6px;
  background: var(--paper-hard);
  padding: 22px;
}

.product-tile.primary {
  background: var(--lime);
}

.product-tile h3,
.update-tile h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 31px;
}

.product-tile p,
.update-tile p {
  color: var(--ink-muted);
}

.tile-meta {
  display: inline-block;
  margin-bottom: 26px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.subscribe-strip {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 430px);
  gap: 26px;
  align-items: end;
  border: 2px solid var(--ink);
  background: var(--steel);
  color: var(--paper);
  padding: clamp(24px, 5vw, 42px);
}

.subscribe-strip h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(34px, 5vw, 62px);
  line-height: 1;
}

.subscribe-strip p {
  max-width: 620px;
  color: rgba(245, 245, 239, 0.76);
}

.email-form {
  display: grid;
  gap: 10px;
}

.email-row {
  display: flex;
  gap: 8px;
}

.email-row input {
  min-width: 0;
  flex: 1;
  min-height: 46px;
  border: 2px solid var(--paper);
  border-radius: 6px;
  padding: 0 13px;
  color: var(--ink);
}

.form-status {
  min-height: 24px;
  margin: 0;
  color: rgba(245, 245, 239, 0.78);
  font-size: 13px;
}

.tool-hero {
  align-items: stretch;
}

.tool-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.tool-shell {
  display: grid;
  grid-template-columns: minmax(280px, 0.95fr) minmax(320px, 1.05fr);
  gap: 18px;
  align-items: stretch;
  min-width: 0;
  max-width: 100%;
  width: 100%;
}

.input-board,
.output-board {
  min-height: 640px;
  border-radius: 6px;
  min-width: 0;
  width: 100%;
}

.input-board {
  display: flex;
  flex-direction: column;
  border: 2px solid var(--ink);
  background: var(--paper-hard);
  box-shadow: 10px 10px 0 var(--shadow);
}

.mode-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  padding: 14px;
  border-bottom: 1px solid var(--line);
}

.length-panel {
  display: grid;
  gap: 10px;
  padding: 14px;
  border-bottom: 1px solid var(--line);
}

.length-panel > span,
.vote-panel h3,
.feedback-panel h3 {
  margin: 0;
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.length-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.mode-button,
.length-button,
.signal-button {
  min-height: 40px;
  border: 1px solid var(--ink);
  border-radius: 6px;
  background: var(--paper);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
}

.mode-button.is-active,
.length-button.is-active,
.signal-button.is-active {
  background: var(--lime);
  box-shadow: inset 0 0 0 2px var(--ink);
}

.real-prompt-coach {
  display: grid;
  gap: 12px;
  padding: 14px;
  border-bottom: 1px solid var(--line);
  background: #f0f7f6;
}

.real-prompt-coach[data-state="ready"] {
  background: #efffdb;
}

.coach-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px;
}

.coach-kicker {
  display: block;
  margin-bottom: 6px;
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.coach-header p,
.privacy-note {
  margin: 0;
  color: var(--ink-muted);
  font-size: 13px;
  line-height: 1.5;
}

.coach-checks {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.coach-check {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 28px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 4px 10px;
  background: var(--paper-hard);
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
}

.coach-check::before {
  content: "";
  width: 7px;
  height: 7px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: transparent;
}

.coach-check.is-on {
  border-color: var(--ink);
  color: var(--ink);
}

.coach-check.is-on::before {
  background: var(--lime);
}

.prompt-input {
  flex: 1;
  width: 100%;
  max-width: 100%;
  min-height: 320px;
  resize: vertical;
  border: 0;
  padding: 18px;
  background: transparent;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.7;
  outline: none;
}

.input-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 14px;
  border-top: 2px solid var(--ink);
}

.input-footer span {
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 12px;
}

.output-board {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-bottom: 1px solid var(--line);
}

.stat-cell {
  padding: 14px;
  border-right: 1px solid var(--line);
}

.stat-cell:last-child {
  border-right: 0;
}

.stat-cell b {
  display: block;
  font-family: var(--font-display);
  font-size: 30px;
  line-height: 1;
}

.stat-cell span {
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 12px;
}

.prompt-output {
  flex: 1;
  min-height: 280px;
  margin: 0;
  padding: 18px;
  overflow: auto;
  white-space: pre-wrap;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.7;
}

.constraint-panel {
  padding: 16px 18px 18px;
  border-top: 1px solid var(--line);
  background: #f0f7f6;
}

.constraint-panel h3 {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
}

.constraint-panel ul {
  margin: 0;
  padding-left: 18px;
  color: var(--ink-muted);
}

.feedback-panel {
  display: none;
  gap: 12px;
  padding: 16px 18px 18px;
  border-top: 1px solid var(--line);
  background: var(--lavender);
}

.feedback-panel.is-visible {
  display: grid;
}

.vote-panel {
  display: grid;
  gap: 12px;
  margin: 16px 0;
}

.signal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.signal-button {
  background: var(--paper-hard);
  color: var(--ink);
}

.signal-status {
  min-height: 22px;
  margin: 0;
  color: rgba(16, 16, 15, 0.72);
  font-size: 13px;
}

.validation-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  align-items: start;
  margin-top: 18px;
}

.metrics-board {
  border-radius: 6px;
  padding: 18px;
}

.metrics-board h2,
.waitlist-board h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 30px;
}

.metric-list {
  display: grid;
  gap: 10px;
}

.metric-list div {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.metric-list b {
  font-family: var(--font-mono);
}

.waitlist-board {
  display: none;
  border: 2px solid var(--ink);
  border-radius: 6px;
  background: var(--lime);
  padding: 18px;
}

.waitlist-board.is-visible {
  display: block;
}

.waitlist-board p {
  color: rgba(16, 16, 15, 0.72);
}

.waitlist-board .form-status {
  color: rgba(16, 16, 15, 0.72);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 28px clamp(18px, 4vw, 52px);
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 12px;
}

@media (max-width: 1280px) {
  .tool-hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .tool-copy,
  .tool-shell {
    max-width: 1120px;
  }

  .tool-shell {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
}

@media (max-width: 980px) {
  .studio-hero,
  .tool-hero,
  .tool-shell,
  .subscribe-strip,
  .validation-row {
    grid-template-columns: 1fr;
  }

  .studio-hero,
  .tool-hero {
    min-height: auto;
  }

  .product-grid,
  .update-grid {
    grid-template-columns: 1fr;
  }

  .input-board,
  .output-board {
    min-height: 520px;
  }
}

@media (max-width: 700px) {
  :root {
    --mobile-content: min(350px, calc(100vw - 40px));
  }

  .topbar {
    position: static;
    height: auto;
    align-items: flex-start;
    flex-direction: column;
    padding-top: 14px;
    padding-bottom: 14px;
  }

  .nav-links {
    width: 100%;
    justify-content: flex-start;
  }

  .tool-copy,
  .tool-shell,
  .input-board,
  .output-board,
  .hero-copy,
  .hero-title {
    max-width: var(--mobile-content);
  }

  .tool-shell,
  .input-board,
  .output-board {
    width: var(--mobile-content);
  }

  .brand-lockup {
    width: 100%;
  }

  .brand-lockup span {
    white-space: normal;
  }

  .hero-title {
    font-size: clamp(36px, 12vw, 46px);
  }

  .hero-title .marker {
    display: inline-block;
    max-width: min(100%, 330px);
    padding: 0 6px 3px;
    box-decoration-break: clone;
    -webkit-box-decoration-break: clone;
  }

  .studio-board,
  .input-board,
  .output-board,
  .metrics-board {
    box-shadow: none;
  }

  .panel-header {
    font-size: 11px;
  }

  .panel-header > * {
    min-width: 0;
  }

  .scan-row {
    grid-template-columns: 1fr;
  }

  .board-footer,
  .stats-grid,
  .mode-row,
  .length-row {
    grid-template-columns: 1fr;
  }

  .board-stat,
  .stat-cell {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .email-row,
  .input-footer,
  .coach-header {
    flex-direction: column;
    align-items: stretch;
  }
}