/* Thalk landing page. Tokens match the app (docs/design/README.md). Always dark. */

@font-face {
  font-family: 'Newsreader';
  font-style: normal;
  font-weight: 400 500;
  font-display: swap;
  src: url('/fonts/newsreader-latin.woff2') format('woff2');
}
@font-face {
  font-family: 'Newsreader';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url('/fonts/newsreader-italic-latin.woff2') format('woff2');
}
@font-face {
  font-family: 'Figtree';
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url('/fonts/figtree-latin.woff2') format('woff2');
}

:root {
  --ground: #0f1326;
  --surface: #181d38;
  --line: #283056;
  --text: #ede7da;
  --muted: #9da2be;
  --amber: #f2b35b;
  --amber-glow: rgba(242, 179, 91, 0.16);
  --violet: #9a9cf2;
  --serif: 'Newsreader', Georgia, 'Times New Roman', serif;
  --sans: 'Figtree', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --gutter: 16px;
  --radius: 16px;
  --measure: 60ch;
  color-scheme: dark;
}

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

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

body {
  margin: 0;
  background: var(--ground);
  color: var(--text);
  font: 17px/1.55 var(--sans);
  overflow-x: hidden;
}

/* Focus: visible everywhere, amber like the user's choice. */
:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 3px;
  border-radius: 6px;
}

a {
  color: var(--text);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
}
a:hover {
  color: var(--amber);
}

h1,
h2,
h3 {
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.15;
  margin: 0;
  text-wrap: balance;
}
h1 {
  font-size: clamp(38px, 7vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.02em;
}
h2 {
  font-size: clamp(30px, 4.5vw, 42px);
}
h3 {
  font-size: 24px;
}

p {
  margin: 0;
}

ul {
  margin: 0;
  padding-left: 1.2em;
}

.skip {
  position: absolute;
  left: var(--gutter);
  top: -100px;
  background: var(--amber);
  color: var(--ground);
  padding: 10px 14px;
  border-radius: 10px;
  font-weight: 600;
  z-index: 10;
}
.skip:focus {
  top: 12px;
}

.wrap {
  width: 100%;
  max-width: 1040px;
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.wordmark {
  font: 500 30px/1 var(--serif);
  letter-spacing: -0.02em;
  text-decoration: none;
  color: var(--text);
}
.wordmark b {
  font-weight: inherit;
  color: var(--amber);
}
.wordmark:hover {
  color: var(--text);
}

/* ---------- header ---------- */
.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 20px;
  padding-bottom: 20px;
}
.top nav ul {
  display: flex;
  gap: 22px;
  list-style: none;
  padding: 0;
}
.top nav a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 600;
  font-size: 15px;
}
.top nav a:hover {
  color: var(--text);
}
@media (max-width: 720px) {
  .top nav {
    display: none;
  }
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 10px 20px;
  border-radius: 14px;
  border: 0;
  font: 600 16px/1 var(--sans);
  text-decoration: none;
  cursor: pointer;
  color: var(--ground);
  background: var(--amber);
  transition:
    transform 120ms ease,
    background-color 120ms ease;
}
.btn:hover {
  background: #f6c57d;
  color: var(--ground);
}
.btn:active {
  transform: scale(0.98);
}
.btn.ghost {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--line);
}
.btn.ghost:hover {
  background: #202647;
  color: var(--text);
}
.btn.small {
  min-height: 40px;
  padding: 8px 14px;
  font-size: 14px;
}
.btn svg {
  width: 20px;
  height: 20px;
  flex: none;
}
.btn .two {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.1;
}
.btn .two small {
  font-size: 11px;
  font-weight: 500;
  opacity: 0.85;
}

/* ---------- hero ---------- */
.hero {
  padding-top: clamp(28px, 7vw, 80px);
  padding-bottom: clamp(32px, 6vw, 64px);
  display: grid;
  gap: 28px;
}
.hero .lede {
  font-size: clamp(18px, 2.3vw, 22px);
  color: var(--muted);
  max-width: 44ch;
  text-wrap: pretty;
}
.hero .cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}
.hero .fine {
  font-size: 14px;
  color: var(--muted);
}
.said {
  font-family: var(--serif);
  font-style: italic;
  color: var(--violet);
}

/* ---------- sections ---------- */
section {
  padding-top: clamp(40px, 7vw, 80px);
  padding-bottom: clamp(40px, 7vw, 80px);
  scroll-margin-top: 16px;
}
.kicker {
  display: block;
  font: 600 13px/1 var(--sans);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 14px;
}
.intro {
  color: var(--muted);
  max-width: var(--measure);
  margin-top: 14px;
  font-size: 18px;
  text-wrap: pretty;
}

.cards {
  display: grid;
  gap: 16px;
  margin-top: 32px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.card {
  background: var(--surface);
  border-radius: 22px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  border: 1px solid transparent;
}
.card .n {
  font: 500 20px/1 var(--serif);
  color: var(--amber);
}
.card h3 {
  font-size: 22px;
}
.card p {
  color: var(--muted);
  font-size: 16px;
}
.card .q {
  font: italic 400 20px/1.3 var(--serif);
  color: var(--text);
}
.card .ico {
  width: 36px;
  height: 36px;
  color: var(--violet);
}
.card .ico svg {
  width: 100%;
  height: 100%;
  display: block;
}

/* ---------- how it works ---------- */
.how {
  display: grid;
  gap: 40px;
  margin-top: 32px;
  align-items: start;
}
@media (min-width: 860px) {
  .how {
    grid-template-columns: 1fr 1fr;
    gap: 56px;
  }
}
.steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 22px;
  counter-reset: step;
}
.steps li {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 14px;
  align-items: start;
}
.steps li::before {
  counter-increment: step;
  content: counter(step);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--surface);
  color: var(--amber);
  font: 500 20px/40px var(--serif);
  text-align: center;
}
.steps b {
  display: block;
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 4px;
}
.steps p {
  color: var(--muted);
  font-size: 16px;
}
.rule {
  margin-top: 26px;
  padding: 16px 18px;
  border-left: 3px solid var(--amber);
  background: var(--surface);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--muted);
  font-size: 15.5px;
}
.rule b {
  color: var(--text);
}

/* ---------- wheel demo ---------- */
.demo {
  --pad: 20px;
  background: var(--surface);
  border-radius: 32px;
  padding: var(--pad);
  max-width: 380px;
  margin: 0 auto;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 12px;
  border: 1px solid var(--line);
  user-select: none;
  -webkit-user-select: none;
}
.demo .q {
  font: 400 23px/1.25 var(--serif);
  min-height: 2.5em;
  letter-spacing: -0.005em;
}
.demo .meta {
  font-size: 13px;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  gap: 10px;
}
.demo .prog {
  display: flex;
  gap: 5px;
}
.demo .prog i {
  flex: 1;
  height: 3px;
  border-radius: 2px;
  background: var(--line);
}
.demo .prog i.on {
  background: var(--text);
}
.pad {
  position: relative;
  touch-action: none;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px 0 6px;
  cursor: grab;
  border-radius: 24px;
}
.pad:active,
.pad.active {
  cursor: grabbing;
}
.pad:focus-visible {
  outline-offset: -3px;
}
svg.wheel {
  width: min(240px, 70vw);
  height: auto;
  overflow: visible;
  display: block;
}
svg.wheel path {
  fill: var(--ground);
  stroke: var(--surface);
  stroke-width: 3;
  transition: fill 100ms ease;
}
svg.wheel path.hot {
  fill: var(--amber);
}
svg.wheel text {
  fill: var(--text);
  font: 600 12.5px var(--sans);
  pointer-events: none;
}
svg.wheel text.hot {
  fill: var(--ground);
}
svg.wheel circle.hub {
  fill: var(--surface);
  stroke: var(--line);
  stroke-width: 1.5;
}
svg.wheel circle.glow {
  fill: none;
  stroke: var(--amber);
  stroke-width: 1;
  opacity: 0;
  transition: opacity 150ms ease;
}
.pad.active svg.wheel circle.glow {
  opacity: 0.35;
}
.cap {
  min-height: 24px;
  text-align: center;
  font-size: 14.5px;
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.cap b {
  color: var(--text);
  font-weight: 600;
}
.cap.ai {
  font-family: var(--serif);
  font-size: 17px;
  color: var(--text);
}
.wave {
  display: inline-flex;
  gap: 2.5px;
  align-items: center;
  height: 16px;
}
.wave i {
  width: 3px;
  border-radius: 2px;
  background: var(--violet);
  animation: wave 900ms ease-in-out infinite;
}
.wave i:nth-child(2) {
  animation-delay: 120ms;
}
.wave i:nth-child(3) {
  animation-delay: 240ms;
}
.wave i:nth-child(4) {
  animation-delay: 360ms;
}
.wave i:nth-child(5) {
  animation-delay: 480ms;
}
@keyframes wave {
  0%,
  100% {
    transform: scaleY(0.45);
  }
  50% {
    transform: scaleY(1);
  }
}
.zone {
  min-height: 48px;
  border: 1.5px dashed var(--line);
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 13.5px;
  color: var(--muted);
  padding: 8px 12px;
  text-align: center;
  transition:
    background-color 120ms ease,
    border-color 120ms ease;
}
.zone svg {
  width: 16px;
  height: 16px;
  flex: none;
}
.zone.hot {
  border: 1.5px solid var(--amber);
  background: var(--amber-glow);
  color: var(--text);
}
.demo .keys {
  font-size: 12.5px;
  color: var(--muted);
  text-align: center;
}
.demo .keys kbd {
  font: 600 11.5px var(--sans);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 1px 5px;
  color: var(--text);
}
.demo .done {
  display: none;
  flex-direction: column;
  gap: 12px;
  padding: 8px 0;
}
.demo.finished .done {
  display: flex;
}
.demo.finished .pad,
.demo.finished .zone,
.demo.finished .cap,
.demo.finished .keys {
  display: none;
}
.demo .done .sum {
  font: 400 20px/1.3 var(--serif);
}
.demo .done .next {
  padding: 12px 14px;
  border-left: 3px solid var(--amber);
  background: var(--ground);
  border-radius: 0 12px 12px 0;
}
.demo .done .next span {
  font-size: 12.5px;
  color: var(--muted);
  display: block;
}
.demo .done .next p {
  font: 400 18px/1.3 var(--serif);
}
.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;
}

/* ---------- pricing ---------- */
.plans {
  display: grid;
  gap: 16px;
  margin-top: 32px;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}
.plan {
  background: var(--surface);
  border-radius: 22px;
  padding: 26px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  border: 1.5px solid var(--line);
  position: relative;
}
.plan.hot {
  border-color: var(--amber);
  background: linear-gradient(180deg, var(--amber-glow), transparent 55%) var(--surface);
}
.plan .tag {
  position: absolute;
  top: -12px;
  right: 20px;
  font: 700 11.5px/1 var(--sans);
  color: var(--ground);
  background: var(--amber);
  border-radius: 999px;
  padding: 6px 10px;
  letter-spacing: 0.04em;
}
.plan h3 {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 15px;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.plan .price {
  font: 500 40px/1 var(--serif);
  letter-spacing: -0.02em;
}
.plan .price small {
  font: 400 16px/1 var(--sans);
  color: var(--muted);
  margin-left: 4px;
}
.plan ul {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 15.5px;
}
.plan li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.plan li::before {
  content: '';
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--amber);
  margin-top: 8px;
}
.plan .note {
  font-size: 13.5px;
  color: var(--muted);
  margin-top: auto;
}

/* ---------- FAQ ---------- */
.faq {
  margin-top: 24px;
  max-width: 760px;
  border-top: 1px solid var(--line);
}
.faq details {
  border-bottom: 1px solid var(--line);
}
.faq summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 18px 4px;
  font: 500 21px/1.3 var(--serif);
  min-height: 48px;
}
.faq summary::-webkit-details-marker {
  display: none;
}
.faq summary::after {
  content: '+';
  flex: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--line);
  color: var(--amber);
  font: 500 20px/26px var(--sans);
  text-align: center;
  transition: transform 150ms ease;
}
.faq details[open] summary::after {
  transform: rotate(45deg);
}
.faq details p {
  color: var(--muted);
  padding: 0 4px 20px;
  max-width: 60ch;
}
.faq details p a {
  color: var(--text);
}

/* ---------- final call ---------- */
.final {
  text-align: center;
  display: grid;
  gap: 22px;
  justify-items: center;
}
.final p {
  color: var(--muted);
  max-width: 44ch;
}

/* ---------- footer ---------- */
footer {
  border-top: 1px solid var(--line);
  padding: 32px 0 40px;
  color: var(--muted);
  font-size: 14.5px;
}
footer .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px 24px;
}
footer nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  list-style: none;
  padding: 0;
}
footer a {
  color: var(--muted);
}
footer a:hover {
  color: var(--amber);
}
footer .wordmark {
  font-size: 24px;
}

/* ---------- legal pages ---------- */
.doc {
  max-width: 720px;
  padding-top: 24px;
  padding-bottom: 80px;
}
.doc h1 {
  font-size: clamp(34px, 6vw, 48px);
  margin-bottom: 12px;
}
.doc h2 {
  font-size: 26px;
  margin-top: 40px;
  margin-bottom: 10px;
}
.doc h3 {
  font-size: 20px;
  margin-top: 26px;
  margin-bottom: 8px;
}
.doc p,
.doc li {
  color: var(--muted);
  margin-bottom: 12px;
  text-wrap: pretty;
}
.doc li {
  margin-bottom: 6px;
}
.doc b,
.doc strong {
  color: var(--text);
  font-weight: 600;
}
.doc a {
  color: var(--text);
}
.doc table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15.5px;
  margin: 8px 0 16px;
}
.doc th,
.doc td {
  text-align: left;
  vertical-align: top;
  padding: 10px 10px 10px 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}
.doc th {
  color: var(--text);
  font-weight: 600;
}
.doc .updated {
  font-size: 14px;
  margin-bottom: 28px;
}
.draft {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: var(--amber-glow);
  border: 1.5px solid var(--amber);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin: 8px 0 28px;
  color: var(--text);
  font-size: 15px;
}
.draft b {
  color: var(--amber);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 13px;
  white-space: nowrap;
  padding-top: 2px;
}
.doc .steps-plain {
  padding-left: 1.3em;
}
.doc .steps-plain li {
  margin-bottom: 8px;
}

/* ---------- motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
  .wave i {
    transform: none;
    height: 12px !important;
  }
}