/* ================================================================
   Linty — landing page
   Light, clean, modern: near-white paper, ink text,
   amber reserved for the caret + small accents.
   Type: Clash Display / General Sans / JetBrains Mono
   ================================================================ */

:root {
  color-scheme: light;

  --paper: #fafaf7;
  --surface: #ffffff;
  --ink: #1a1815;
  --muted: #6b675f;
  --amber: #c86200;        /* accent type, icons, caret */
  --amber-deep: #9e4a00;   /* small amber text */
  --amber-soft: rgba(255, 160, 46, 0.14);
  --hairline: rgba(26, 24, 21, 0.08);
  --hairline-strong: rgba(26, 24, 21, 0.16);

  --font-display: "Clash Display", "Avenir Next", sans-serif;
  --font-body: "General Sans", "Helvetica Neue", sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", monospace;

  --container: 1120px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --section-pad: clamp(5rem, 10vh, 8rem);

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--amber-soft); color: var(--ink); }

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

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

.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--section-pad); }

/* ---------- cursor companion (native cursor stays visible) ---------- */
.cursor { display: none; }

html.has-cursor .cursor {
  display: block;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  pointer-events: none;
  will-change: transform;
}

/* the tip: an elastic dot trailing the pointer (JS),
   settles into a blinking amber caret when you stop */
.cursor-tip {
  position: absolute;
  box-sizing: border-box;
  width: 7px;
  height: 7px;
  margin: -3.5px 0 0 -3.5px;
  border: 1px solid transparent;
  border-radius: 50%;
  background: rgba(26, 24, 21, 0.55);
  transition:
    width 0.25s var(--ease-out),
    height 0.25s var(--ease-out),
    margin 0.25s var(--ease-out),
    border-radius 0.25s var(--ease-out),
    border-color 0.25s var(--ease-out),
    background-color 0.25s var(--ease-out),
    transform 0.15s var(--ease-out);
}

/* idle → brand caret, blinking */
.cursor.is-idle .cursor-tip {
  width: 2.5px;
  height: 20px;
  margin: -10px 0 0 -1.25px;
  border-radius: 2px;
  background: var(--amber);
  animation: caret-blink 1.1s steps(1) infinite;
}

/* over interactive elements → open ring */
.cursor.is-link .cursor-tip {
  width: 34px;
  height: 34px;
  margin: -17px 0 0 -17px;
  border-color: var(--amber);
  border-radius: 50%;
  background: rgba(200, 98, 0, 0.06);
  animation: none;
}

/* over display type → tall text caret */
.cursor.is-caret .cursor-tip {
  width: 3px;
  height: 44px;
  margin: -22px 0 0 -1.5px;
  border-radius: 2px;
  background: var(--amber);
  animation: caret-blink 1.1s steps(1) infinite;
}

.cursor.is-down .cursor-tip {
  transform: scale(0.7);
  background: var(--amber);
}

/* click ripple */
.cursor-ripple {
  position: fixed;
  z-index: 99;
  pointer-events: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 1px solid var(--amber);
  transform: translate(-50%, -50%);
  animation: ripple 0.6s var(--ease-out) forwards;
}

@keyframes ripple {
  to { width: 56px; height: 56px; opacity: 0; }
}

/* ---------- nav ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  transition: background-color 0.35s, border-color 0.35s, backdrop-filter 0.35s;
  border-bottom: 1px solid transparent;
}

.nav.is-scrolled {
  background: rgba(250, 250, 247, 0.8);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--hairline);
}

.nav-inner {
  max-width: var(--container);
  margin-inline: auto;
  padding: 1rem var(--gutter);
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.wordmark {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.3rem;
  letter-spacing: -0.02em;
  display: inline-flex;
  align-items: baseline;
}

/* static by design — the hero caret is the page's one blinker */
.wordmark-caret {
  width: 0.14em;
  height: 0.82em;
  margin-left: 0.1em;
  background: var(--amber);
  align-self: center;
}

.nav-links {
  display: flex;
  gap: 2rem;
  margin-left: auto;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--muted);
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--ink); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.8rem 1.4rem;
  border-radius: 999px;
  transition: transform 0.2s var(--ease-out), background-color 0.2s, color 0.2s, border-color 0.2s;
  will-change: transform;
}

.btn-primary {
  background: var(--ink);
  color: var(--paper);
}

.btn-primary:hover { background: #000; }

.btn-ghost {
  border: 1px solid var(--hairline-strong);
  color: var(--ink);
}

.btn-ghost:hover { border-color: var(--ink); }

.btn-small {
  padding: 0.5rem 1.05rem;
  font-size: 0.88rem;
  background: var(--ink);
  color: var(--paper);
}

.btn-small:hover { background: #000; }

/* ---------- shared type ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}

.rec-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 0 rgba(200, 98, 0, 0.35);
  animation: rec-pulse 2.2s ease-out infinite;
}

@keyframes rec-pulse {
  0% { box-shadow: 0 0 0 0 rgba(200, 98, 0, 0.35); }
  70% { box-shadow: 0 0 0 10px rgba(200, 98, 0, 0); }
  100% { box-shadow: 0 0 0 0 rgba(200, 98, 0, 0); }
}

.display {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.75rem, 6.5vw, 5.5rem);
  line-height: 1.02;
  letter-spacing: -0.025em;
}

.display-line { display: block; }

.display-line--accent { color: var(--amber); }

.caret {
  display: inline-block;
  width: 0.08em;
  height: 0.78em;
  margin-left: 0.06em;
  background: var(--amber);
  vertical-align: baseline;
  transform: translateY(0.1em);
  animation: caret-blink 1.1s steps(1) infinite;
}

@keyframes caret-blink {
  0%, 55% { opacity: 1; }
  56%, 100% { opacity: 0; }
}

.section-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.9rem, 3.8vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.kbd-inline {
  font-family: var(--font-mono);
  font-size: 0.72em;
  font-weight: 600;
  padding: 0.1em 0.45em 0.16em;
  border: 1px solid var(--hairline-strong);
  border-bottom-width: 3px;
  border-radius: 0.35em;
  background: var(--surface);
  vertical-align: 0.08em;
}

.kbd-inline--lg { color: var(--amber-deep); }

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding-block: clamp(6.5rem, 12vh, 8.5rem) clamp(4rem, 8vh, 6rem);
  overflow: hidden;
}

.hero-inner {
  position: relative;
  width: 100%;
  text-align: center;
}

.hero .eyebrow { justify-content: center; }

.hero-sub {
  max-width: 32rem;
  margin: 1.5rem auto 0;
  font-size: clamp(1.05rem, 1.4vw, 1.15rem);
  color: var(--muted);
}

.hero-sub .kbd-inline { color: var(--ink); }

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.85rem;
  margin-top: 2rem;
}

.hero-fine {
  margin-top: 1.15rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--muted);
}

.scroll-cue {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 48px;
  background: var(--hairline-strong);
  overflow: hidden;
}

.scroll-cue span {
  position: absolute;
  inset: 0;
  background: var(--amber);
  animation: cue-drop 2s var(--ease-out) infinite;
}

@keyframes cue-drop {
  0% { transform: translateY(-100%); }
  60%, 100% { transform: translateY(100%); }
}

/* ---------- demo ---------- */
.demo {
  display: flex;
  align-items: stretch;
  gap: 0.85rem;
  margin: clamp(2.25rem, 4.5vh, 3.25rem) auto 0;
  max-width: 40rem;
  text-align: left;
}

.keycap {
  position: relative;
  flex: 0 0 auto;
  width: 84px;
  border: 1px solid var(--hairline-strong);
  border-bottom-width: 4px;
  border-radius: 12px;
  background: var(--surface);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  padding: 1rem 0;
  transition: transform 0.08s ease, border-bottom-width 0.08s ease, border-color 0.2s, box-shadow 0.3s;
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;
}

.keycap-glyph {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

.keycap-globe { color: var(--muted); }

.keycap:hover { border-color: rgba(200, 98, 0, 0.45); }

.keycap.is-held {
  transform: translateY(2px);
  border-bottom-width: 2px;
  border-color: var(--amber);
  box-shadow: 0 0 0 4px var(--amber-soft);
}

.keycap.is-held .keycap-glyph { color: var(--amber-deep); }

.demo-field {
  position: relative;
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  border: 1px solid var(--hairline);
  border-radius: 12px;
  background: var(--surface);
  padding: 1rem 1.25rem;
  overflow: hidden;
}

.demo-wave {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  opacity: 0;
  transition: opacity 0.25s;
}

.demo-field.is-recording .demo-wave { opacity: 1; }
.demo-field.is-recording .demo-text { opacity: 0; }

.demo-wave i {
  width: 3px;
  height: 8px;
  border-radius: 2px;
  background: var(--amber);
  animation: wave-bounce 0.9s ease-in-out infinite;
  animation-play-state: paused;
}

.demo-field.is-recording .demo-wave i { animation-play-state: running; }

.demo-wave i:nth-child(4n + 1) { animation-delay: -0.2s; }
.demo-wave i:nth-child(4n + 2) { animation-delay: -0.5s; }
.demo-wave i:nth-child(4n + 3) { animation-delay: -0.7s; }
.demo-wave i:nth-child(5n) { animation-delay: -0.35s; }

@keyframes wave-bounce {
  0%, 100% { height: 6px; }
  50% { height: 26px; }
}

.demo-text {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.5;
  transition: opacity 0.2s;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.demo-placeholder { color: var(--muted); }

.demo-text .caret { height: 1.1em; }

.demo-note {
  margin-top: 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
}

/* ---------- marquee ---------- */
.marquee {
  border-block: 1px solid var(--hairline);
  padding-block: 1.15rem;
  overflow: hidden;
}

.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 40s linear infinite;
}

.marquee:hover .marquee-track { animation-play-state: paused; }

.marquee-group {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  padding-right: 2.5rem;
  white-space: nowrap;
}

.marquee-group span {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.marquee-group em {
  font-style: normal;
  font-size: 0.7rem;
  color: var(--amber);
}

@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* ---------- steps ---------- */
.steps {
  list-style: none;
  border-top: 1px solid var(--hairline);
}

.step {
  display: grid;
  grid-template-columns: minmax(80px, 160px) 1fr;
  gap: clamp(1rem, 4vw, 4rem);
  padding-block: clamp(2rem, 4vw, 3rem);
  border-bottom: 1px solid var(--hairline);
}

.step-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--amber-deep);
  padding-top: 0.55rem;
}

.step-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 0.75rem;
}

.step-body p {
  max-width: 34rem;
  color: var(--muted);
}

/* ---------- stats ---------- */
.stats-section { padding-block: 0 clamp(2rem, 5vh, 3rem); }

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  border-block: 1px solid var(--hairline);
  padding-block: clamp(2rem, 4vw, 3rem);
}

.stat { text-align: left; }

.stat-num {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.4rem, 4.5vw, 4rem);
  letter-spacing: -0.02em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.stat-num--dim { color: var(--muted); }
.stat-num--accent { color: var(--amber); }

.stat-label {
  display: block;
  margin-top: 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--muted);
  max-width: 16rem;
}

/* ---------- bento ---------- */
.bento {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.card {
  position: relative;
  border: 1px solid var(--hairline);
  border-radius: 14px;
  background: var(--surface);
  padding: 1.6rem 1.5rem 1.7rem;
  overflow: hidden;
  box-shadow: 0 1px 2px rgba(26, 24, 21, 0.03);
  transition: border-color 0.3s, box-shadow 0.3s;
}

.card:hover {
  border-color: var(--hairline-strong);
  box-shadow: 0 6px 20px rgba(26, 24, 21, 0.06);
}

.card--wide { grid-column: span 2; }

.card--full { grid-column: 1 / -1; }

.card--full p { max-width: 48rem; }

.card-icon {
  width: 22px;
  height: 22px;
  color: var(--amber);
  margin-bottom: 1.1rem;
}

.card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
  margin-bottom: 0.45rem;
}

.card p {
  color: var(--muted);
  font-size: 0.94rem;
}

/* ---------- privacy ---------- */
.privacy {
  border-block: 1px solid var(--hairline);
  background: var(--surface);
  text-align: center;
}

.privacy-statement {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.9rem, 4.2vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  max-width: 22ch;
  margin-inline: auto;
}

.privacy-statement em {
  font-style: normal;
  color: var(--amber);
  position: relative;
  white-space: nowrap;
}

.privacy-statement em::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.02em;
  height: 0.05em;
  background: var(--amber);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.7s var(--ease-out) 0.4s;
}

.privacy-statement.is-in em::after { transform: scaleX(1); }

.privacy-sub {
  max-width: 40rem;
  margin: 1.75rem auto 0;
  color: var(--muted);
}

.privacy-sub a {
  color: var(--ink);
  border-bottom: 1px solid var(--amber);
  transition: color 0.2s;
}

.privacy-sub a:hover { color: var(--amber-deep); }

/* ---------- final ---------- */
.final { text-align: center; padding-bottom: clamp(4rem, 8vh, 6rem); }

.display--final {
  font-size: clamp(2.4rem, 5.5vw, 4.5rem);
}

.final-cta { justify-content: center; margin-top: 2.25rem; }

.final .hero-fine { margin-top: 1.25rem; }

.feedback-line {
  margin-top: 0.75rem;
  font-size: 0.92rem;
  color: var(--muted);
}

.feedback-line a {
  color: var(--ink);
  border-bottom: 1px solid var(--amber);
  transition: color 0.2s;
}

.feedback-line a:hover { color: var(--amber-deep); }

/* ---------- footer ---------- */
.footer {
  border-top: 1px solid var(--hairline);
  padding-block: 2.25rem;
}

.footer-inner {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.wordmark--footer { font-size: 1.1rem; }

.footer-links {
  display: flex;
  gap: 1.6rem;
  margin-left: auto;
}

.footer-links a,
.footer-fine {
  font-size: 0.85rem;
  color: var(--muted);
}

.footer-links a:hover { color: var(--ink); }

/* ---------- reveal ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.7s var(--ease-out),
    transform 0.7s var(--ease-out);
  transition-delay: calc(var(--i, 0) * 80ms);
}

[data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .bento { grid-template-columns: 1fr 1fr; }
  .card--wide { grid-column: span 2; }
  .stats { grid-template-columns: 1fr; gap: 2.5rem; }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-inner { justify-content: space-between; }
  .bento { grid-template-columns: 1fr; }
  .card--wide { grid-column: auto; }
  .step { grid-template-columns: 1fr; gap: 0.6rem; }
  .step-num { padding-top: 0; }
  .demo { flex-direction: column; }
  .keycap { width: 100%; flex-direction: row; gap: 0.6rem; padding: 0.9rem 0; }
  .demo-field { min-height: 4.25rem; }
  .scroll-cue { display: none; }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  [data-reveal] { opacity: 1; transform: none; }

  .marquee-track { animation: none; }
}