/* Daily Build landing page. See DESIGN.md.
   Page-specific layout and the lift-off only. Tokens live in tokens.css and
   shared components in components.css; nothing here redefines them. */

/* ==========================================================================
   Page-only values (no token exists for these)
   ========================================================================== */

:root {
  --vh: 1vh;
  --nav-h: 72px;
  --dusk-rose: #FFBBD2;
  --dusk-peach: #FFD6BF;
}

@supports (height: 1svh) {
  :root { --vh: 1svh; }
}

html {
  scroll-padding-top: var(--nav-h);
}

.skip {
  position: absolute;
  left: var(--sp-4);
  top: calc(var(--sp-9) * -1);
  z-index: 100;
}

.skip:focus {
  top: var(--sp-3);
}

/* ==========================================================================
   Nav
   ========================================================================== */

.nav.is-scrolled {
  background: color-mix(in srgb, var(--surface) 90%, transparent);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.nav__cta {
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition:
    opacity var(--dur-med) var(--ease-out),
    transform var(--dur-med) var(--ease-spring),
    box-shadow var(--dur-med) var(--ease-spring),
    filter var(--dur-fast) linear,
    visibility 0s linear var(--dur-med);
}

.nav.has-cta .nav__cta {
  opacity: 1;
  visibility: visible;
  transform: none;
  transition-delay: 0s;
}

.nav.has-cta .nav__cta:active {
  transform: translateY(var(--lip));
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: calc(88 * var(--vh) - var(--nav-h));
  padding-block: var(--sp-5) var(--sp-9);
  overflow-x: hidden;
  overflow-x: clip;
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  align-items: center;
  gap: var(--sp-7) var(--sp-8);
}

.hero__art {
  position: relative;
  width: 100%;
  max-width: 560px;
  aspect-ratio: 1.1;
  margin-inline: auto;
}

.hero__blob {
  position: absolute;
  inset: 8% 2% 2% 6%;
  border-radius: 46% 54% 50% 50% / 52% 48% 52% 48%;
  background: var(--violet-100);
}

.hero__caret {
  position: absolute;
  left: 6%;
  bottom: 6%;
  z-index: 2;
  transform-origin: 50% 100%;
  animation: hero-caret-in 640ms var(--ease-spring) 380ms both;
}

.hero__caret .mascot {
  --mascot-size: 232px;
}

.hero__caret .mascot:not(.mascot--happy) .mascot__pupil {
  translate: 1.6px 0;
}

.hero-card {
  position: absolute;
  top: 6%;
  right: 0;
  z-index: 1;
  width: 62%;
  padding: var(--sp-4);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-float);
  rotate: 3deg;
  pointer-events: none;
  animation: hero-card-in 760ms var(--ease-out) 120ms both;
}

.hero-card .progress {
  height: 12px;
}

.hero-card .progress__fill::after {
  top: 3px;
  height: 3px;
}

.hero-card__q {
  margin: var(--sp-4) 0 var(--sp-3);
  font-size: var(--fs-3);
  font-weight: 800;
  line-height: 1.3;
}

.hero-card__options {
  display: grid;
  gap: var(--sp-2);
  padding-bottom: var(--lip-sm);
}

.hero-card .option {
  min-height: 46px;
  padding: var(--sp-2) var(--sp-3);
  gap: var(--sp-3);
  font-size: var(--fs-2);
  cursor: default;
}

.hero-card .option__key {
  width: 28px;
  height: 28px;
  font-size: 13px;
}

/* Confetti: a few quiet dots and sparkles */
.dot {
  position: absolute;
  width: var(--s);
  height: var(--s);
  border-radius: 50%;
  z-index: 0;
  animation: hero-fade 700ms var(--ease-out) 900ms both;
}

.dot--sun { background: var(--sun-400); }
.dot--violet { background: var(--violet-300); }
.dot--mint { background: var(--mint-400); }
.dot--pink { background: var(--pink-400); }
.dot--sky { background: var(--sky-400); }

.sparkle {
  position: absolute;
  z-index: 0;
  fill: var(--sun-400);
  animation: hero-fade 700ms var(--ease-out) 1000ms both;
}

.sparkle--1 { left: 3%; top: 46%; width: 26px; height: 26px; }
.sparkle--2 { right: 16%; bottom: 7%; width: 18px; height: 18px; fill: var(--violet-300); }

.hero__copy {
  animation: hero-copy-in 760ms var(--ease-out) 520ms both;
}

.hero__copy h1 {
  color: var(--text);
}

.hero__sub {
  max-width: 34ch;
  margin-top: var(--sp-5);
  color: var(--text-muted);
  font-size: var(--fs-4);
  line-height: 1.45;
}

.hero__cta {
  display: grid;
  gap: var(--sp-4);
  max-width: 360px;
  margin-top: var(--sp-6);
  padding-bottom: var(--lip);
}

.hero__note {
  max-width: 40ch;
  margin-top: var(--sp-3);
  text-wrap: balance;
  color: var(--text-muted);
  font-size: var(--fs-2);
  font-weight: 700;
  line-height: 1.4;
}

@keyframes hero-card-in {
  from { opacity: 0; translate: 36px 28px; scale: 0.92; }
  to { opacity: 1; translate: 0 0; scale: 1; }
}

@keyframes hero-caret-in {
  from { opacity: 0; scale: 0.5; translate: 0 30px; }
  55% { opacity: 1; }
  to { opacity: 1; scale: 1; translate: 0 0; }
}

@keyframes hero-copy-in {
  from { opacity: 0; translate: 0 16px; }
  to { opacity: 1; translate: 0 0; }
}

@keyframes hero-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

@media (max-width: 899px) {
  .hero {
    min-height: 0;
    padding-block: var(--sp-2) var(--sp-8);
  }

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

  .hero__art {
    max-width: 340px;
  }

  .hero__caret .mascot {
    --mascot-size: 150px;
  }

  .hero-card {
    width: 62%;
    padding: var(--sp-3);
  }

  .hero-card__q {
    margin: var(--sp-3) 0 var(--sp-2);
    font-size: var(--fs-2);
  }

  .hero-card .option {
    min-height: 40px;
    font-size: var(--fs-1);
  }

  .hero-card .option__key {
    width: 24px;
    height: 24px;
    font-size: 12px;
  }

  .hero__copy {
    text-align: center;
  }

  .hero__sub,
  .hero__cta,
  .hero__note {
    margin-inline: auto;
  }
}

/* ==========================================================================
   Tools strip
   ========================================================================== */

.tools {
  border-block: var(--border) solid var(--line);
  padding-block: var(--sp-7);
}

.tools__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-5);
  text-align: center;
}

.tools__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--sp-3);
}

.tools__label {
  margin-right: var(--sp-2);
  color: var(--text-muted);
  font-size: var(--fs-3);
  font-weight: 900;
}

.tools .chip {
  padding: 9px 16px;
  font-size: var(--fs-2);
}

.tools__note {
  color: var(--text-muted);
  font-size: var(--fs-2);
  font-weight: 700;
}

@media (max-width: 599px) {
  .tools__label {
    flex-basis: 100%;
    margin: 0;
  }
}

/* ==========================================================================
   Feature rows
   ========================================================================== */

.features {
  overflow-x: hidden;
  overflow-x: clip;
}

.feature {
  padding-block: var(--sp-9);
}

.feature__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: center;
  gap: var(--sp-8) var(--sp-9);
}

.feature--flip .feature__text {
  order: 2;
}

.feature__text h2 {
  color: var(--text);
  font-size: var(--fs-8);
}

.feature__text p {
  max-width: 44ch;
  margin-top: var(--sp-4);
  color: var(--text-muted);
  font-size: var(--fs-3);
}

.feature__art {
  display: grid;
  place-items: center;
  min-height: 420px;
  padding: var(--sp-8) var(--sp-6) var(--sp-7);
  border-radius: var(--r-xl);
  background: var(--violet-100);
}


@media (max-width: 899px) {
  .feature {
    padding-block: var(--sp-7);
  }

  .feature__grid {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--sp-6);
  }

  .feature--flip .feature__text {
    order: 0;
  }

  .feature__art {
    min-height: 0;
    padding: var(--sp-8) var(--sp-4) var(--sp-6);
  }
}

/* ---- a. Stop going in circles: the fixes pile up, then Roll back ---- */
.loop {
  position: relative;
  width: 100%;
  max-width: 420px;
}

.loop__caret {
  position: absolute;
  top: -62px;
  right: var(--sp-5);
  z-index: 0;
}

.loop__caret .mascot {
  --mascot-size: 78px;
}

.loop__card {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--sp-4);
  padding: var(--sp-4);
}

.loop__top {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.loop__label {
  color: var(--text-muted);
  font-size: var(--fs-1);
  font-weight: 900;
}

.loop__meter {
  flex: 1;
  height: 14px;
  overflow: hidden;
  border: var(--border) solid var(--line);
  border-radius: var(--r-pill);
  background: var(--surface-2);
}

.loop__fill {
  display: block;
  width: var(--lvl, 36%);
  height: 100%;
  border-radius: inherit;
  background: var(--pink-400);
  transition: width 700ms var(--ease-out), background-color var(--dur-med) linear;
}

.loop.is-fixed .loop__fill {
  background: var(--mint-400);
}

.loop__num {
  min-width: 2.2ch;
  color: var(--text);
  font-family: var(--font-display);
  font-size: var(--fs-4);
  line-height: 1;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.loop__stage {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  align-items: center;
  gap: var(--sp-3);
  min-height: 158px;
}

.loop__chat {
  display: grid;
  gap: 6px;
  justify-items: start;
}

.loop__msg {
  --msg-bg: var(--sky-400);
  --msg-lip: var(--sky-600);

  padding: 7px 14px;
  border-radius: 16px 16px 16px 5px;
  background: var(--msg-bg);
  color: var(--ink);
  box-shadow: 0 3px 0 var(--msg-lip);
  font-size: var(--fs-2);
  font-weight: 900;
  line-height: 1.2;
  translate: calc(var(--i) * 12px) 0;
  rotate: calc((var(--i) - 1) * 2.5deg);
  transition:
    opacity var(--dur-med) var(--ease-out),
    scale var(--dur-med) var(--ease-spring),
    background-color var(--dur-slow) linear,
    box-shadow var(--dur-slow) linear;
}

.loop.is-primed .loop__msg:not(.is-in) {
  opacity: 0;
  scale: 0.5;
}

.loop.is-fixed .loop__msg {
  --msg-bg: var(--surface-2);
  --msg-lip: var(--line-strong);

  color: var(--text-muted);
}

.loop__win {
  overflow: hidden;
  border: var(--border) solid var(--line-strong);
  border-radius: 14px;
  background: var(--paper);
}

.loop__winbar {
  display: flex;
  align-items: center;
  gap: 4px;
  height: 20px;
  padding: 0 8px;
  background: var(--surface-2);
}

.loop__winbar i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--line-strong);
}

.loop__winbody {
  display: grid;
  gap: 7px;
  padding: 10px 12px 12px;
}

.loop__h {
  font-size: var(--fs-1);
  font-weight: 900;
  line-height: 1.1;
}

.loop__input {
  display: block;
  height: 14px;
  border: 1.5px solid var(--line-strong);
  border-radius: 6px;
  background: var(--surface-2);
  transition: translate var(--dur-med) var(--ease-spring);
}

.loop__input--short {
  width: 78%;
  translate: 10px 0;
}

.loop.is-fixed .loop__input--short {
  translate: 0 0;
}

.loop__go {
  justify-self: start;
  padding: 5px 14px;
  border-radius: 9px;
  background: var(--pink-400);
  color: var(--ink);
  box-shadow: 0 3px 0 var(--pink-600);
  font-size: 13px;
  font-weight: 900;
  line-height: 1.2;
  rotate: -4deg;
  transition:
    rotate var(--dur-med) var(--ease-spring),
    background-color var(--dur-med) linear,
    box-shadow var(--dur-med) linear;
}

.loop.is-fixed .loop__go {
  background: var(--mint-400);
  color: var(--mint-ink);
  box-shadow: 0 3px 0 var(--mint-600);
  rotate: 0deg;
}

.loop__banner {
  display: grid;
  margin: 0;
  font-size: 12px;
  font-weight: 800;
  line-height: 1.2;
}

.loop__banner > span {
  grid-area: 1 / 1;
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 5px 8px;
  border: 1.5px solid;
  border-radius: 8px;
  transition: opacity var(--dur-med) linear;
}

.loop__banner svg {
  flex: none;
  width: 13px;
  height: 13px;
  fill: none;
  stroke: currentColor;
  stroke-width: 3.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.loop__banner-bad {
  border-color: var(--pink-400);
  background: var(--pink-50);
  color: var(--ink);
}

.loop__banner-bad svg { color: var(--pink-600); }

.loop__banner-ok {
  border-color: var(--mint-400);
  background: var(--mint-50);
  color: var(--ink);
  opacity: 0;
}

.loop__banner-ok svg { color: var(--mint-600); }

.loop.is-fixed .loop__banner-bad { opacity: 0; }
.loop.is-fixed .loop__banner-ok { opacity: 1; }

.loop__foot {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  padding-bottom: var(--lip);
}

.loop__undo {
  flex: none;
  min-width: 132px;
}

.loop__undo > svg {
  fill: none;
  stroke: currentColor;
  stroke-width: 2.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.loop__status {
  flex: 1;
  min-height: 2.6em;
  display: flex;
  align-items: center;
  color: var(--text-muted);
  font-size: var(--fs-1);
  font-weight: 800;
  line-height: 1.3;
}

@keyframes loop-nudge {
  0%, 70%, 100% { translate: 0 0; }
  80% { translate: 0 -4px; }
  90% { translate: 0 0; }
}

.loop.is-stuck:not(.is-fixed) .loop__undo {
  animation: loop-nudge 2.6s ease-in-out 600ms infinite;
}

/* b. Know if your app is safe: three checks tick green */
.feature__art--mint { background: var(--mint-50); }
.feature__art--pink { background: var(--pink-50); }
.feature__art--tight { padding-block: var(--sp-7); }

@media (max-width: 899px) {
  .feature__art--tight { padding-block: var(--sp-6); }
}

.safe {
  position: relative;
  width: 100%;
  max-width: 420px;
}

.safe__card {
  position: relative;
  display: grid;
  gap: var(--sp-4);
  padding: var(--sp-4);
}

.safe__badge {
  position: absolute;
  top: -26px;
  right: var(--sp-5);
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px 8px 10px;
  border-radius: var(--r-pill);
  background: var(--mint-400);
  color: var(--mint-ink);
  box-shadow: 0 4px 0 var(--mint-600);
  font-size: var(--fs-3);
  font-weight: 900;
  line-height: 1;
  opacity: 0;
  scale: 0.4;
  rotate: -8deg;
  transition:
    opacity var(--dur-fast) linear,
    scale var(--dur-med) var(--ease-spring),
    rotate var(--dur-med) var(--ease-spring);
}

.safe__badge svg {
  width: 24px;
  height: 24px;
}

.safe__badge-shield {
  fill: var(--mint-ink);
}

.safe__badge-tick {
  fill: none;
  stroke: var(--mint-400);
  stroke-width: 2.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.safe.is-safe .safe__badge {
  opacity: 1;
  scale: 1;
  rotate: 0deg;
}

.safe__code {
  position: relative;
  overflow: hidden;
  padding: var(--sp-3) var(--sp-4) var(--sp-4);
  border-radius: var(--r-md);
  background: var(--ink);
  color: #E9E5FF;
}

.safe__file {
  margin-bottom: var(--sp-2);
  color: var(--space-faint);
  font-size: 12px;
  font-weight: 800;
}

.safe__code pre {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.75;
  white-space: pre;
}

.safe__code code {
  font-size: inherit;
}

.safe__secret {
  display: inline-grid;
  vertical-align: baseline;
  border-radius: 5px;
}

.safe__secret > span {
  grid-area: 1 / 1;
  padding: 0 4px;
  border-radius: 5px;
  transition: opacity var(--dur-med) linear, background-color var(--dur-med) linear;
}

.safe__open {
  background: var(--pink-400);
  color: var(--ink);
  font-weight: 600;
}

.safe__shut {
  background: rgba(46, 211, 160, 0.2);
  color: var(--mint-400);
  font-weight: 600;
  opacity: 0;
}

.safe.is-keyhidden .safe__open { opacity: 0; }
.safe.is-keyhidden .safe__shut { opacity: 1; }

@keyframes safe-throb {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 92, 122, 0.55); }
  50% { box-shadow: 0 0 0 6px rgba(255, 92, 122, 0); }
}

.safe:not(.is-keyhidden) .safe__secret {
  animation: safe-throb 1.6s ease-out infinite;
}

.safe__tag {
  display: grid;
  justify-items: start;
  margin: var(--sp-3) 0 0;
  font-size: 13px;
  font-weight: 900;
  line-height: 1.2;
}

.safe__tag > span {
  grid-area: 1 / 1;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px 5px 9px;
  border-radius: var(--r-pill);
  transition: opacity var(--dur-med) linear;
}

.safe__tag svg {
  flex: none;
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.safe__tag-bad {
  background: var(--pink-400);
  color: var(--ink);
}

.safe__tag-ok {
  background: var(--mint-400);
  color: var(--mint-ink);
  opacity: 0;
}

.safe.is-keyhidden .safe__tag-bad { opacity: 0; }
.safe.is-keyhidden .safe__tag-ok { opacity: 1; }

.safe__scan {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 46px;
  background: linear-gradient(90deg, transparent, rgba(46, 211, 160, 0.45));
  border-right: 3px solid var(--mint-400);
  opacity: 0;
  pointer-events: none;
  translate: -60px 0;
}

@keyframes safe-scan {
  0% { opacity: 1; translate: -60px 0; }
  100% { opacity: 1; translate: calc(var(--scan-w, 380px) + 10px) 0; }
}

.safe__code.is-scanning .safe__scan {
  animation: safe-scan 650ms ease-in-out forwards;
}

.safe__checks {
  display: grid;
  gap: var(--sp-3);
  margin: 0;
  padding: 0 0 var(--lip-sm);
  list-style: none;
}

.safe__check {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  color: var(--text-muted);
  font-size: var(--fs-2);
  font-weight: 800;
  line-height: 1.25;
  transition: color var(--dur-med) linear;
}

.safe__check.is-ok {
  color: var(--text);
}

.safe__tick {
  display: grid;
  flex: none;
  place-items: center;
  width: 28px;
  height: 28px;
  border: var(--border) solid var(--line-strong);
  border-radius: 50%;
  background: var(--surface);
  transition: background-color var(--dur-med) linear, border-color var(--dur-med) linear;
}

.safe__tick svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: var(--mint-ink);
  stroke-width: 4;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0;
  scale: 0.3;
  transition: opacity var(--dur-fast) linear, scale var(--dur-med) var(--ease-spring);
}

.safe__check.is-ok .safe__tick {
  border-color: var(--mint-400);
  background: var(--mint-400);
  box-shadow: 0 2px 0 var(--mint-600);
}

.safe__check.is-ok .safe__tick svg {
  opacity: 1;
  scale: 1;
}

/* c. The words get you better apps: vague prompt versus precise prompt */
.words {
  display: grid;
  gap: var(--sp-6);
  width: 100%;
  max-width: 460px;
}

.words__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 20px minmax(0, 0.86fr);
  align-items: center;
  gap: var(--sp-2);
}

.words__col {
  display: grid;
  justify-items: start;
  gap: var(--sp-2);
}

.words__tag {
  padding: 2px 10px;
  border: var(--border) solid;
  border-radius: var(--r-pill);
  color: var(--ink);
  font-size: var(--fs-1);
  font-weight: 800;
  line-height: 1.3;
}

.words__tag--vague { border-color: var(--pink-400); background: var(--pink-50); }
.words__tag--sharp { border-color: var(--mint-400); background: var(--mint-50); }

.words__bubble {
  padding: 10px 14px;
  border: var(--border) solid var(--line-strong);
  border-radius: 16px 16px 16px 5px;
  background: var(--paper);
  color: var(--text);
  font-size: var(--fs-2);
  font-weight: 800;
  line-height: 1.35;
}

.words__bubble--sharp {
  border-color: var(--violet-500);
  background: var(--violet-500);
  color: #fff;
  box-shadow: 0 4px 0 var(--violet-600);
}

.w {
  --w-bg: var(--sky-400);
  --w-fg: var(--ink);

  padding: 0 6px;
  border-radius: 6px;
  background: var(--w-bg);
  color: var(--w-fg);
  font-weight: 900;
  transition: background-color var(--dur-med) linear, color var(--dur-med) linear;
}

.w--mint { --w-bg: var(--mint-400); --w-fg: var(--mint-ink); }
.w--sun { --w-bg: var(--sun-400); --w-fg: var(--sun-ink); }

.words.is-primed .w:not(.is-on) {
  background: transparent;
  color: inherit;
}

.words__arrow {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: var(--violet-500);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.app {
  overflow: hidden;
  border: var(--border) solid var(--line-strong);
  border-radius: 14px;
  background: var(--paper);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.2;
}

.app--rich {
  border-color: var(--violet-500);
  box-shadow: 0 4px 0 var(--violet-600);
}

.app__bar {
  display: flex;
  align-items: center;
  gap: 4px;
  height: 22px;
  padding: 0 8px;
  background: var(--surface-2);
}

.app__bar > i {
  flex: none;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--line-strong);
}

.app__url {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-left: 4px;
  padding: 1px 7px 1px 5px;
  border-radius: var(--r-pill);
  background: var(--paper);
  color: var(--text);
  font-size: 10px;
  font-weight: 800;
  white-space: nowrap;
}

.app__live {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--mint-400);
}

.app__body {
  display: grid;
  gap: 6px;
  padding: 10px;
}

.app__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
}

.app__title {
  font-size: 13px;
  font-weight: 900;
  white-space: nowrap;
}

.app--plain .app__title {
  color: var(--text-muted);
}

.app__line {
  display: block;
  height: 7px;
  border-radius: 4px;
  background: var(--surface-2);
}

.app__line--short { width: 62%; }

.app__boxes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.app__boxes i {
  height: 30px;
  border-radius: 8px;
  background: var(--surface-2);
}

.app__btn {
  justify-self: start;
  padding: 5px 12px;
  border-radius: 8px;
  background: var(--surface-2);
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 900;
}

.app__tiles {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.app__tile {
  height: 30px;
  border-radius: 8px;
}

.app__tile--sun { background: var(--sun-400); }
.app__tile--pink { background: var(--pink-400); }

.app__user,
.app__orders {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px 2px 6px;
  border-radius: var(--r-pill);
  font-size: 11px;
  font-weight: 900;
  white-space: nowrap;
}

.app__user { background: var(--sky-400); color: var(--ink); }
.app__orders { justify-self: start; background: var(--mint-400); color: var(--mint-ink); }

.app__user svg,
.app__orders svg {
  flex: none;
  width: 12px;
  height: 12px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.app__btn--go {
  justify-self: stretch;
  background: var(--violet-500);
  color: #fff;
  box-shadow: 0 3px 0 var(--violet-600);
  text-align: center;
}

.app__url,
.app__user,
.app__orders {
  transition: opacity var(--dur-fast) linear, scale var(--dur-med) var(--ease-spring);
}

.words.is-primed [data-p]:not(.is-on) {
  opacity: 0;
  scale: 0.6;
}

.words.is-primed .app--rich {
  box-shadow: 0 4px 0 var(--line-strong);
  border-color: var(--line-strong);
}

.words.is-primed .app--rich .app__btn--go {
  background: var(--surface-2);
  color: var(--text-muted);
  box-shadow: none;
}

.app--rich,
.app__btn--go {
  transition: background-color var(--dur-med) linear, color var(--dur-med) linear, border-color var(--dur-med) linear, box-shadow var(--dur-med) linear;
}

@media (max-width: 899px) {
  .loop__caret { right: var(--sp-4); }
}

@media (max-width: 479px) {
  .words__row {
    grid-template-columns: minmax(0, 1fr);
    justify-items: start;
    gap: var(--sp-2);
  }

  .words__arrow {
    rotate: 90deg;
    margin-left: var(--sp-5);
  }

  .words__bubble {
    max-width: 92%;
  }

  .app {
    width: 100%;
    max-width: 230px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .loop.is-stuck:not(.is-fixed) .loop__undo,
  .safe:not(.is-keyhidden) .safe__secret {
    animation: none;
  }
}

/* ==========================================================================
   Lift-off: the one orchestrated scroll moment
   --------------------------------------------------------------------------
   landing.js sets these on .liftoff (all unitless, 0 to 1 except --sway):
     --lift      raw scroll progress through the section
     --dusk      lavender and peach sky, smoothstep(0.04 .. 0.34)
     --night     how far the night curtain has come down, smoothstep(0.30 .. 0.76)
     --stars     smoothstep(0.42 .. 0.78)
     --ready     "Ready?" opacity, 1 until 0.10 then gone by 0.28
     --headline  "Your path starts up here" opacity, smoothstep(0.64 .. 0.88)
     --sway      sin(), Caret's side-to-side drift
   Everything else is CSS calc() on those. Only transform and opacity move.
   ========================================================================== */

.liftoff {
  --lift: 0;
  --dusk: 0;
  --night: 0;
  --stars: 0;
  --ready: 1;
  --headline: 0;
  --sway: 0;

  position: relative;
  height: 280vh;
  background: var(--space-800);
}

.liftoff__stage {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
  isolation: isolate;
}

.sky {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

/* Day. Its top edge is exactly the page's mist, so the section above flows in. */
.sky--base {
  background: linear-gradient(180deg, var(--mist) 0%, var(--violet-100) 100%);
}

.sky--sun {
  background: radial-gradient(
    circle at 80% 22%,
    color-mix(in srgb, var(--sun-400) 42%, transparent) 0,
    color-mix(in srgb, var(--sun-400) 14%, transparent) 9vmax,
    transparent 22vmax
  );
  translate: 0 calc(var(--lift) * var(--vh) * 60);
  opacity: calc(1 - var(--lift) * 2.6);
}

/* Dusk. Lavender at the top, rose and peach at the horizon. */
.sky--dusk {
  opacity: var(--dusk);
  background:
    radial-gradient(
      90vmax 46vmax at 50% 108%,
      color-mix(in srgb, var(--dusk-peach) 90%, transparent),
      transparent 70%
    ),
    linear-gradient(
      180deg,
      var(--lavender) 0%,
      color-mix(in srgb, var(--lavender) 55%, var(--dusk-rose)) 45%,
      var(--dusk-rose) 80%,
      var(--dusk-peach) 100%
    );
}

/* Night. A tall curtain: solid space-800 over the first half, then a long
   violet feather. It slides down from above, so the sky darkens from the top
   and never passes through a flat grey. At --night: 1 it covers the whole
   stage with exactly space-800 (the same color the units section starts with). */
.sky--night {
  inset: 0 0 auto 0;
  height: 200%;
  translate: 0 calc((1 - var(--night)) * -100%);
  background: linear-gradient(
    180deg,
    var(--space-800) 0%,
    var(--space-800) 50%,
    color-mix(in srgb, var(--space-700) 97%, transparent) 55%,
    color-mix(in srgb, var(--violet-600) 62%, transparent) 65%,
    color-mix(in srgb, var(--violet-500) 36%, transparent) 77%,
    color-mix(in srgb, var(--violet-300) 13%, transparent) 89%,
    transparent 100%
  );
  will-change: transform;
}

/* Nebula glows live in the solid half of the curtain, away from its bottom edge */
.sky--night::before {
  content: "";
  position: absolute;
  inset: 0 0 50% 0;
  background:
    radial-gradient(
      52vmax 34vmax at 14% 20%,
      color-mix(in srgb, var(--violet-500) 38%, transparent),
      transparent 72%
    ),
    radial-gradient(
      46vmax 30vmax at 88% 42%,
      color-mix(in srgb, var(--violet-600) 40%, transparent),
      transparent 72%
    ),
    radial-gradient(
      38vmax 22vmax at 56% 64%,
      color-mix(in srgb, var(--space-500) 55%, transparent),
      transparent 72%
    );
}

/* Stars */
.stars {
  position: absolute;
  inset: -8% 0 0;
  pointer-events: none;
}

.liftoff .stars {
  opacity: var(--stars);
  translate: 0 calc(var(--lift) * var(--vh) * 7);
}

.star {
  position: absolute;
  border-radius: 50%;
  background: var(--paper);
  opacity: 0.9;
}

.star--sun { background: var(--sun-400); }
.star--mint { background: var(--mint-400); }

.star--tw {
  animation: star-twinkle var(--tw, 4s) ease-in-out var(--td, 0s) infinite;
}

@keyframes star-twinkle {
  0%, 100% { opacity: 0.25; }
  50% { opacity: 1; }
}

.shoot {
  position: absolute;
  width: 110px;
  height: 2px;
  border-radius: var(--r-pill);
  background: linear-gradient(90deg, var(--paper), transparent);
  opacity: 0;
  rotate: -28deg;
}

.shoot--1 { left: 68%; top: 22%; animation: shoot 9s ease-in 2s infinite; }
.shoot--2 { left: 34%; top: 12%; width: 80px; animation: shoot 12s ease-in 7s infinite; }

@keyframes shoot {
  0%, 90% { opacity: 0; translate: 0 0; }
  92% { opacity: 0.9; }
  100% { opacity: 0; translate: -300px 160px; }
}

/* Clouds: soft white shapes. The camera rises, so they sink and fade. */
.clouds {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.cloud {
  --w: 360px;
  --spd: 1;
  --fade: 2.2;

  position: absolute;
  display: block;
  width: var(--w);
  height: calc(var(--w) * 0.3);
  border-radius: var(--r-pill);
  background: var(--paper);
  filter: drop-shadow(0 12px 16px color-mix(in srgb, var(--violet-500) 14%, transparent));
  translate:
    calc(var(--lift) * var(--dx, 0) * 1vw)
    calc(var(--lift) * var(--vh) * 100 * var(--spd));
  opacity: calc(1 - var(--lift) * var(--fade));
  will-change: transform, opacity;
}

.cloud::before,
.cloud::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  background: var(--paper);
}

.cloud::before {
  left: 14%;
  bottom: 38%;
  width: 40%;
  aspect-ratio: 1;
}

.cloud::after {
  left: 38%;
  bottom: 28%;
  width: 52%;
  aspect-ratio: 1;
}

.cloud--1 { --w: 300px; --spd: 1.05; --dx: 3; left: 6%; top: 50%; }
.cloud--2 { --w: 210px; --spd: 0.8; --dx: -2; --fade: 2.6; left: 66%; top: 36%; }
.cloud--3 { --w: 250px; --spd: 1.3; --dx: -3; --fade: 1.9; left: 72%; top: 64%; }
.cloud--4 { --w: 160px; --spd: 0.7; --dx: 2; --fade: 3; left: 24%; top: 26%; }

/* Hills: the ground drops away early */
.hill {
  position: absolute;
  pointer-events: none;
  border-radius: 50% 50% 0 0 / 100% 100% 0 0;
  translate: 0 calc(var(--lift) * var(--vh) * 100 * 1.25);
}

.hill--back {
  left: -18%;
  right: -18%;
  bottom: -16vh;
  height: 36vh;
  background: linear-gradient(180deg, color-mix(in srgb, var(--lavender) 78%, var(--paper)), var(--lavender) 70%);
}

.hill--front {
  left: -34%;
  width: 96%;
  bottom: -12vh;
  height: 25vh;
  background: linear-gradient(180deg, color-mix(in srgb, var(--violet-300) 86%, var(--paper)), var(--violet-300) 70%);
}

/* Caret rides up from the lower third to the middle */
.liftoff__caret {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  translate:
    calc(var(--sway) * 26px)
    calc(var(--vh) * 100 * (0.2 - 0.27 * var(--lift)));
  will-change: transform;
}

.liftoff__caret .mascot {
  --mascot-size: 150px;
  display: block;
}

/* Copy */
.liftoff__copy {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.liftoff__ready {
  position: absolute;
  left: 0;
  right: 0;
  top: calc(var(--vh) * 100 * 0.2);
  padding-inline: var(--gutter);
  color: var(--ink);
  font-size: var(--fs-8);
  text-align: center;
  opacity: var(--ready);
  translate: 0 calc(var(--lift) * -60px);
}

.liftoff__headline {
  position: absolute;
  left: 0;
  right: 0;
  top: calc(var(--vh) * 100 * 0.63);
  padding-inline: var(--gutter);
  background: transparent;
  text-align: center;
  opacity: var(--headline);
  translate: 0 calc((1 - var(--headline)) * 40px);
}

.liftoff__headline h2 {
  max-width: 22ch;
  margin-inline: auto;
  color: var(--text);
  font-size: var(--fs-9);
}

.liftoff__headline p {
  margin-top: var(--sp-3);
  color: var(--text-muted);
  font-size: var(--fs-4);
  font-weight: 700;
}

@media (max-width: 719px) {
  .liftoff {
    height: 220vh;
  }

  .liftoff__caret .mascot {
    --mascot-size: 120px;
  }

  .liftoff__caret {
    translate:
      calc(var(--sway) * 18px)
      calc(var(--vh) * 100 * (0.18 - 0.25 * var(--lift)));
  }

  .liftoff__headline {
    top: calc(var(--vh) * 100 * 0.6);
  }

  .cloud--1 { --w: 240px; left: -4%; }
  .cloud--2 { --w: 170px; left: 62%; }
  .cloud--3 { --w: 200px; left: 56%; }
  .cloud--4 { --w: 130px; left: 20%; }
}

/* Reduced motion: no sticky stage. A short static sky from mist to space-800. */
@media (prefers-reduced-motion: reduce) {
  .liftoff {
    height: auto;
    --stars: 1;
    --headline: 1;
    --ready: 0;
  }

  .liftoff__stage {
    position: relative;
    display: grid;
    place-items: center;
    height: auto;
    min-height: 560px;
    padding: var(--sp-9) var(--gutter) var(--sp-8);
    background: linear-gradient(
      180deg,
      var(--mist) 0%,
      var(--lavender) 26%,
      var(--space-500) 58%,
      var(--space-800) 100%
    );
  }

  .sky,
  .clouds,
  .hill,
  .liftoff__ready {
    display: none;
  }

  .liftoff .stars {
    inset: 0;
    translate: none;
  }

  .liftoff__caret,
  .liftoff__copy {
    position: relative;
    inset: auto;
    left: auto;
    top: auto;
    transform: none;
    translate: none;
  }

  .liftoff__caret {
    margin-bottom: var(--sp-6);
  }

  .liftoff__headline {
    position: static;
    translate: none;
  }
}

/* ==========================================================================
   Units
   ========================================================================== */

.units {
  --pscale: 1;

  position: relative;
  padding-block: var(--sp-7) var(--sp-10);
  overflow-x: hidden;
  overflow-x: clip;
}

.units__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.units__glow {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(44vmax 30vmax at 90% 14%, color-mix(in srgb, var(--violet-500) 20%, transparent), transparent 70%),
    radial-gradient(40vmax 28vmax at 6% 36%, color-mix(in srgb, var(--violet-600) 26%, transparent), transparent 70%),
    radial-gradient(44vmax 30vmax at 94% 60%, color-mix(in srgb, var(--violet-500) 18%, transparent), transparent 70%),
    radial-gradient(40vmax 28vmax at 4% 82%, color-mix(in srgb, var(--pink-400) 8%, transparent), transparent 70%),
    radial-gradient(46vmax 30vmax at 60% 96%, color-mix(in srgb, var(--violet-600) 26%, transparent), transparent 70%);
}

.stars--units {
  inset: 0;
}

.units .container {
  position: relative;
  z-index: 1;
}

/* Planets */
.planet {
  --body: calc(var(--b, 190px) * var(--pscale));

  position: relative;
  width: var(--body);
  height: var(--body);
  translate: 0 calc(var(--py, 0) * 1px);
  pointer-events: none;
}

.planet__img {
  position: absolute;
  left: 50%;
  top: 50%;
  display: block;
  width: calc(var(--body) * var(--k, 1.6));
  max-width: none;
  height: auto;
  translate: -50% -50%;
  animation: planet-float var(--fdur, 7s) ease-in-out var(--fdelay, 0s) infinite alternate;
}

@keyframes planet-float {
  from { transform: translateY(-9px) rotate(-1.5deg); }
  to { transform: translateY(9px) rotate(1.5deg); }
}

/* Unit 1 */
.unit1 {
  display: grid;
  grid-template-columns: minmax(0, 1fr) clamp(220px, 34vw, 440px);
  align-items: start;
  gap: var(--sp-6) var(--sp-7);
}

.unit1__main {
  width: 100%;
  max-width: 600px;
}

.unit1__planet {
  position: sticky;
  top: calc(var(--vh) * 50 - 150px);
  display: grid;
  place-items: center;
  padding-top: var(--sp-9);
}

.unit1 .unit-banner {
  background: var(--sun-400);
}

.unit1 .unit-banner__text {
  color: var(--sun-ink);
}

/* The lesson path */
.path {
  --node-w: 84px;
  --xs: 1;
  --path-base: 150px;

  position: relative;
  margin-top: var(--sp-6);
}

.path__svg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
}

.path__dots,
.route__dots {
  fill: none;
  stroke: var(--line-strong);
  stroke-width: 6;
  stroke-linecap: round;
  stroke-dasharray: 2 14;
}

.path__fill {
  fill: none;
  stroke: var(--sun-400);
  stroke-width: 6;
  stroke-linecap: round;
  stroke-dasharray: 1 3;
  stroke-dashoffset: 1;
}

.path__list {
  position: relative;
  z-index: 1;
  margin: 0;
  padding: 0;
  list-style: none;
}

.path__item {
  display: flex;
  align-items: center;
  gap: var(--sp-5);
  padding: 20px 0 30px;
  padding-left: calc(var(--path-base) + var(--x) * var(--xs) * 1px - var(--node-w) / 2);
}

.path__item--bubble {
  padding-top: 72px;
}

.path .node {
  width: var(--node-w);
  height: calc(var(--node-w) * 0.95);
}

.path .node-spot {
  flex: none;
}

.node-spot.is-shake {
  animation: db-shake var(--dur-slow) var(--ease-out);
}

.node.is-reached {
  animation: db-pop-big var(--dur-med) var(--ease-spring);
}

.path .bubble--text {
  max-width: 180px;
}

.path__label {
  min-width: 0;
}

.path__title {
  color: var(--text);
  font-size: var(--fs-4);
  font-weight: 900;
  line-height: 1.2;
}

.path__line {
  margin-top: 2px;
  color: var(--text-muted);
  font-size: var(--fs-2);
  font-weight: 700;
  line-height: 1.35;
}

.path__line a {
  color: var(--sun-400);
}

/* Units 2 to 5: a route through space */
.route {
  position: relative;
  display: grid;
  gap: var(--sp-9);
  margin-top: var(--sp-10);
}

.route__svg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
}

.unit-row {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: center;
  gap: var(--sp-7);
}

.unit-row--flip .unit-row__planet {
  order: 2;
}

.unit-row__planet {
  display: grid;
  place-items: center;
}

.unit-row__panel {
  width: 100%;
  max-width: 460px;
  justify-self: start;
}

.unit-row--flip .unit-row__panel {
  justify-self: end;
}

.unit-row__panel .unit-banner {
  padding: var(--sp-4) var(--sp-5);
}

.unit-row__panel .unit-banner__title {
  font-size: var(--fs-5);
}

.unit-row__text {
  margin-top: var(--sp-5);
  font-size: var(--fs-3);
  font-weight: 700;
}

.unit-row__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-3) var(--sp-4);
  margin-top: var(--sp-4);
}

.unit-row__lock {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
  font-size: var(--fs-2);
  font-weight: 800;
}

.unit-row__lock svg {
  width: 18px;
  height: 18px;
}

.units__note {
  position: relative;
  margin-top: var(--sp-9);
  color: var(--text-muted);
  font-size: var(--fs-2);
  font-weight: 700;
  text-align: center;
}

@media (max-width: 899px) {
  .units {
    --pscale: 0.78;

    padding-block: var(--sp-7) var(--sp-9);
  }

  .unit1 {
    grid-template-columns: minmax(0, 1fr);
  }

  .unit1__planet {
    position: relative;
    top: auto;
    order: -1;
    padding-top: 0;
    margin-bottom: var(--sp-5);
  }

  .unit1__planet .planet {
    --pscale: 0.62;
  }

  .unit1__main {
    margin-inline: auto;
  }

  .route {
    gap: var(--sp-8);
    margin-top: var(--sp-9);
  }

  .unit-row {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--sp-5);
  }

  .unit-row--flip .unit-row__planet {
    order: 0;
  }

  .unit-row__planet {
    justify-items: center;
  }

  .unit-row__panel,
  .unit-row--flip .unit-row__panel {
    max-width: none;
    justify-self: stretch;
  }
}

@media (max-width: 599px) {
  .path {
    --node-w: 72px;
    --xs: 0.55;
    --path-base: 74px;
  }

  .path__item {
    gap: var(--sp-4);
  }

  .path__title {
    font-size: var(--fs-3);
  }

  .path__line {
    font-size: var(--fs-1);
  }

  .unit-banner__title {
    font-size: var(--fs-5);
  }

  .unit-banner__text {
    font-size: var(--fs-1);
  }
}

/* ==========================================================================
   Final call to action
   ========================================================================== */

.final {
  position: relative;
  padding-block: var(--sp-9) var(--sp-10);
  overflow-x: hidden;
  overflow-x: clip;
}

.final::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 40%;
  width: min(900px, 120vw);
  height: 520px;
  translate: -50% -50%;
  background: radial-gradient(
    closest-side,
    color-mix(in srgb, var(--violet-500) 26%, transparent),
    transparent
  );
  pointer-events: none;
}

.final__inner {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.final__caret .mascot {
  --mascot-size: 140px;
}

.final h2 {
  max-width: 14ch;
  margin-top: var(--sp-6);
  color: var(--text);
  font-size: var(--fs-9);
}

.final__cta {
  margin-top: var(--sp-6);
  padding-bottom: var(--lip);
}

.final__note {
  margin-top: var(--sp-3);
  color: var(--text-muted);
  font-size: var(--fs-2);
  font-weight: 700;
}

@media (max-width: 599px) {
  .final__cta,
  .final__cta .btn {
    width: 100%;
  }
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  padding-block: var(--sp-6);
  border-top: var(--border) solid var(--line);
  color: var(--text-muted);
  font-size: var(--fs-1);
  font-weight: 700;
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-2) var(--sp-5);
}

.footer__logo {
  color: var(--text);
  font-family: var(--font-display);
  font-size: var(--fs-4);
}

/* ==========================================================================
   Reduced motion: hold still
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  .star {
    animation: none;
  }

  .shoot {
    display: none;
  }

  .planet {
    translate: none;
  }

  .nav__cta {
    transition: none;
  }
}