html:not(.ls-intro-complete) .learnstack-home:not(.learnstack-studio-home) #philosophy,
html:not(.ls-intro-complete) .learnstack-home:not(.learnstack-studio-home) nav.fixed.inset-x-0 {
  opacity: 0 !important;
}

body:has(.learnstack-home) nav.fixed.inset-x-0,
.learnstack-home nav.fixed.inset-x-0 {
  display: none !important;
  visibility: hidden !important;
  opacity: 0 !important;
  pointer-events: none !important;
  content-visibility: hidden !important;
}

html.ls-intro-running,
html.ls-intro-running body {
  overflow: hidden;
}

body:has(.learnstack-home.learnstack-studio-home) .ls-account-reminder {
  display: none !important;
}

.ls-intro-loader {
  --ls-intro-ink: #080a0b;
  --ls-intro-paper: #f5f2ea;
  --ls-intro-duration: 5.05s;
  --ls-intro-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ls-intro-ease-strong: cubic-bezier(0.16, 1, 0.3, 1);
  --ls-intro-glide: cubic-bezier(0.25, 1, 0.5, 1);
  --ls-intro-final-top: clamp(8rem, 18svh, 10.5rem);
  --ls-intro-wordmark-h: clamp(5.8rem, 11vw, 8.4rem);
  --ls-intro-bottom-gap: clamp(2.1rem, 6svh, 4.2rem);
  --ls-intro-start-y: calc(100svh - var(--ls-intro-final-top) - var(--ls-intro-wordmark-h) - var(--ls-intro-bottom-gap));
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: grid;
  place-items: center;
  min-height: 100svh;
  background: transparent;
  color: var(--ls-intro-paper);
  pointer-events: none;
  isolation: isolate;
  contain: layout paint style;
  animation: lsIntroLoaderFade var(--ls-intro-duration) linear both;
}

.ls-intro-loader::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: var(--ls-intro-ink);
  opacity: 1;
  transform: translate3d(0, 0, 0);
  animation: lsIntroCurtainFade var(--ls-intro-duration) linear both;
}

.ls-intro-loader::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(circle at 50% 38%, rgba(255, 255, 255, 0.72), transparent 0 22rem),
    #f5f2ea;
  opacity: 0;
  transform: translate3d(0, 0, 0);
  animation: lsIntroPaperFade var(--ls-intro-duration) linear both;
}

.ls-intro-field {
  position: relative;
  z-index: 2;
  display: block;
  width: 100%;
  height: 100svh;
  overflow: visible;
  padding-block: clamp(2rem, 6vh, 4rem);
}

.ls-intro-wordmark {
  position: absolute;
  left: 50%;
  top: var(--ls-intro-final-top);
  width: min(72vw, 47rem);
  height: var(--ls-intro-wordmark-h);
  color: currentColor;
  font-family: "Aptos Display", "Segoe UI Variable Display", "Aptos", "Segoe UI", ui-sans-serif, system-ui, sans-serif;
  font-size: clamp(2rem, 7.4vw, 6.2rem);
  font-weight: 720;
  line-height: 0.88;
  letter-spacing: 0;
  text-transform: uppercase;
  opacity: 1;
  transform: translate3d(-50%, var(--ls-intro-start-y), 0);
  transform-origin: 50% 50%;
  will-change: transform;
  animation:
    lsIntroStackGlide 1080ms var(--ls-intro-ease-strong) 2.72s forwards,
    lsIntroStackFade 220ms cubic-bezier(0.32, 0, 0.67, 0) 3.72s forwards;
  backface-visibility: hidden;
}

.ls-intro-letter {
  position: absolute;
  left: 50%;
  top: 50%;
  display: block;
  width: 1em;
  height: 1em;
  opacity: 0;
  text-align: center;
  transform: translate3d(calc(var(--stack-x) - 0.5em), -78svh, 0);
  transform-origin: 50% 50%;
  animation:
    lsLetterStackDrop 660ms var(--ls-intro-ease-strong) both,
    lsLetterColor var(--ls-intro-duration) linear both;
  animation-delay: var(--letter-delay), 0ms;
  backface-visibility: hidden;
}

.ls-intro-glyph {
  display: block;
  width: 1em;
  height: 1em;
  line-height: 0.88;
  text-align: center;
  transform: translate3d(0, 0, 0);
  opacity: 1;
  animation: lsIntroGlyphAssemble var(--ls-intro-duration) var(--ls-intro-ease-strong) both;
  backface-visibility: hidden;
}

html.ls-intro-running .learnstack-home > .relative.z-10 > nav.fixed.inset-x-0 {
  opacity: 0 !important;
  transform: translate3d(0, -1rem, 0) !important;
  pointer-events: none;
}

html.ls-intro-complete .learnstack-home.learnstack-studio-home > .relative.z-10 > nav.fixed.inset-x-0 {
  animation: lsStudioNavEnter 720ms cubic-bezier(0.16, 1, 0.3, 1) 80ms both;
}

html.ls-intro-complete .learnstack-home.learnstack-studio-home #philosophy > .ls-studio-hero,
html.ls-intro-complete .learnstack-home.learnstack-studio-home .ls-studio-wordmark,
html.ls-intro-complete .learnstack-home.learnstack-studio-home .ls-studio-layer {
  opacity: 1;
  filter: none;
}

.learnstack-home.learnstack-studio-home {
  --ls-studio-ink: #101827;
  --ls-studio-muted: #526078;
  --ls-studio-paper: #f7f6f2;
  --ls-studio-line: rgba(30, 43, 68, 0.12);
  --ls-studio-cyan: #0f98a8;
  --ls-studio-ease: cubic-bezier(0.22, 1, 0.36, 1);
  background: var(--ls-studio-paper);
}

.learnstack-home.learnstack-studio-home #philosophy.homepage-section-frame {
  position: relative;
  display: block;
  min-height: max(100svh, 82rem);
  overflow: hidden;
  padding: 0;
  background: var(--ls-studio-paper);
}

.learnstack-home.learnstack-studio-home #philosophy.homepage-section-frame::before,
.learnstack-home.learnstack-studio-home #philosophy.homepage-section-frame::after {
  display: none;
}

.learnstack-home.learnstack-studio-home #philosophy > .ls-studio-hero {
  position: relative;
  z-index: 1;
  min-height: max(100svh, 82rem);
  width: 100%;
  opacity: 0;
  color: var(--ls-studio-ink);
  isolation: isolate;
  perspective: 1400px;
  animation: lsStudioHeroVisible 1ms linear 2.03s both;
}

.ls-nav-logo-link {
  width: clamp(6.2rem, 12vw, 9.4rem);
  min-width: 0;
}

.learnstack-home nav.fixed.inset-x-0 .ls-nav-logo-svg {
  display: block;
  width: 100%;
  height: auto;
  max-height: 1.55rem;
  object-fit: contain;
}

.ls-studio-background,
.ls-studio-light {
  position: absolute;
  inset: 0;
}

.learnstack-home.learnstack-studio-home #philosophy > .ls-studio-hero > .ls-studio-background {
  display: block !important;
  visibility: visible !important;
  content-visibility: visible !important;
}

.ls-studio-layer {
  opacity: 0;
}

.ls-studio-background {
  z-index: 0;
  animation: lsStudioImageIn 1.15s cubic-bezier(0.16, 1, 0.3, 1) 2.08s both;
}

.ls-studio-background-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 50%;
  filter: saturate(0.96) contrast(1.14) brightness(0.96);
  transform: translate3d(0, 0, 0) scale(1.006);
}

html.ls-intro-complete .ls-studio-background-image {
  transition: none;
}

.ls-studio-light {
  z-index: 1;
  background: linear-gradient(180deg, rgba(247, 246, 242, 0.02), rgba(247, 246, 242, 0.1) 72%, rgba(247, 246, 242, 0.18));
  animation: lsStudioLayerFade 1.2s cubic-bezier(0.16, 1, 0.3, 1) 2.24s both;
}

.ls-studio-wordmark {
  position: absolute;
  left: 50%;
  top: clamp(8rem, 18svh, 10.5rem);
  z-index: 3;
  width: min(72vw, 47rem);
  opacity: 0;
  clip-path: inset(0 50% 0 50%);
  transform: translate3d(-50%, 0, 0) scale(1);
  transform-origin: 50% 50%;
  animation: lsStudioWordmarkResolve 260ms cubic-bezier(0.16, 1, 0.3, 1) 3.96s both;
  transition: transform 620ms cubic-bezier(0.22, 1, 0.36, 1);
}

.ls-studio-logo {
  position: relative;
  z-index: 0;
  display: block;
  width: 100%;
  height: auto;
  filter: none;
  transform: translate3d(0, 0, 0);
  transition:
    filter 520ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 620ms cubic-bezier(0.22, 1, 0.36, 1);
}

html.ls-intro-complete .ls-studio-logo {
  filter: drop-shadow(0 16px 34px rgba(16, 24, 39, 0.08));
  transform: translate3d(0, 0, 0);
}

.ls-studio-copy {
  position: absolute;
  left: 50%;
  top: clamp(17.1rem, 35svh, 20.9rem);
  z-index: 4;
  display: grid;
  justify-items: center;
  width: min(calc(100% - 2rem), 62rem);
  opacity: 0;
  text-align: center;
  transform: translate3d(-50%, 1rem, 0);
  animation: lsStudioContentEnter 780ms cubic-bezier(0.16, 1, 0.3, 1) 4.35s both;
  transition: transform 620ms cubic-bezier(0.22, 1, 0.36, 1);
}

.ls-studio-copy h1 {
  display: grid;
  justify-items: center;
  width: 100%;
  max-width: min(calc(100vw - 2rem), 47.25rem);
  margin: 0;
  color: var(--ls-studio-ink);
  font-family: "Arial", "Aptos Display", "Segoe UI Variable Display", ui-sans-serif, system-ui, sans-serif;
  font-size: clamp(0.93rem, 3.57vw, 2.325rem);
  font-weight: 720;
  line-height: 1.03;
  text-align: center;
  text-wrap: normal;
}

.ls-studio-copy h1.ls-hero-headline-locked {
  font-size: clamp(0.93rem, 3.57vw, 2.325rem) !important;
  font-weight: 720 !important;
  line-height: 1.03 !important;
}

.ls-studio-headline-line {
  display: block;
  width: max-content;
  max-width: 100%;
  margin-inline: auto;
  font-size: inherit !important;
  line-height: inherit !important;
  white-space: nowrap;
}

.ls-studio-copy h1::after {
  display: none;
}

.ls-studio-copy > p {
  max-width: 60rem;
  margin: 1.05rem 0 0;
  color: var(--ls-studio-muted);
  font-size: clamp(1.15rem, 1.95vw, 1.65rem);
  line-height: 1.58;
  text-align: center;
}

.ls-studio-copy > p.ls-hero-subheadline-locked {
  font-size: clamp(1.15rem, 1.95vw, 1.65rem) !important;
  line-height: 1.58 !important;
}

.learnstack-home:not(.learnstack-studio-home) #philosophy .home-reveal:first-child {
  grid-column: 1 / -1 !important;
  display: grid !important;
  justify-items: center !important;
  width: 100% !important;
  max-width: none !important;
  margin-inline: auto !important;
  text-align: center !important;
}

.learnstack-home:not(.learnstack-studio-home) #philosophy h1 {
  display: grid !important;
  justify-items: center !important;
  width: max-content !important;
  max-width: min(calc(100vw - 2rem), 47.25rem) !important;
  margin-inline: auto !important;
  font-family: "Arial", "Aptos Display", "Segoe UI Variable Display", ui-sans-serif, system-ui, sans-serif !important;
  font-size: clamp(0.93rem, 3.57vw, 2.325rem) !important;
  font-weight: 720 !important;
  line-height: 1.03 !important;
  text-align: center !important;
  text-wrap: normal !important;
  transform: none !important;
}

.learnstack-home:not(.learnstack-studio-home) #philosophy h1::after {
  content: none !important;
  display: none !important;
}

.learnstack-home:not(.learnstack-studio-home) #philosophy .ls-studio-headline-line {
  display: block !important;
  width: max-content !important;
  max-width: 100% !important;
  margin-inline: auto !important;
  white-space: nowrap !important;
}

.ls-studio-actions {
  position: absolute;
  left: 50%;
  top: clamp(27.55rem, 47.5svh, 28.45rem);
  z-index: 4;
  display: flex;
  justify-content: center;
  opacity: 0;
  transform: translate3d(-50%, 0.8rem, 0);
  animation: lsStudioContentEnter 760ms cubic-bezier(0.16, 1, 0.3, 1) 4.55s both;
}

.ls-studio-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.9rem;
  min-width: 9.4rem;
  border: 1px solid var(--ls-studio-ink);
  border-radius: 6px;
  background: var(--ls-studio-ink);
  color: var(--ls-studio-paper);
  padding: 0.78rem 1.2rem;
  cursor: pointer;
  font: inherit;
  font-size: 0.88rem;
  font-weight: 700;
  line-height: 1;
  touch-action: manipulation;
  transition:
    background 180ms var(--ls-studio-ease),
    transform 180ms var(--ls-studio-ease),
    box-shadow 180ms var(--ls-studio-ease);
}

.ls-studio-cta:hover,
.ls-studio-cta:focus-visible {
  background: #172239;
  box-shadow: 0 14px 34px rgba(30, 43, 68, 0.14);
  transform: translate3d(0, -1px, 0);
}

.ls-studio-cta:focus-visible {
  outline: 2px solid rgba(15, 152, 168, 0.34);
  outline-offset: 3px;
}

.ls-studio-cta:active {
  transform: translate3d(0, 0, 0) scale(0.985);
}

.ls-studio-product-proof {
  position: absolute;
  left: 50%;
  top: clamp(33.1rem, 58svh, 34rem);
  z-index: 3;
  width: min(calc(100% - 1.5rem), 72rem);
  margin: 0;
  opacity: 1;
  pointer-events: none;
  transform: translate3d(-50%, 0, 0) scale(1);
  transform-origin: 50% 12%;
}

.ls-coded-proof-card {
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  aspect-ratio: 1260 / 802;
  overflow: hidden;
  border: 1px solid rgba(255, 78, 88, 0.52);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.985);
  box-shadow:
    0 34px 68px rgba(16, 24, 39, 0.19),
    0 7px 18px rgba(16, 24, 39, 0.08);
  color: #06133f;
  padding: clamp(1.25rem, 2.05vw, 2.04rem);
  font-family: "Aptos", "Segoe UI Variable Text", "Segoe UI", ui-sans-serif, system-ui, sans-serif;
  font-size: clamp(0.72rem, 1.06vw, 1rem);
  font-weight: 430;
  line-height: 1.32;
}

.ls-coded-proof-header {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.ls-coded-proof-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  flex: 0 0 auto;
  width: 2.1em;
  height: 2.1em;
  border-radius: 999px;
  background: #ffe1e3;
  color: #cf2637;
}

.ls-coded-proof-close::before,
.ls-coded-proof-close::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 0.72em;
  height: 1.5px;
  border-radius: 999px;
  background: currentColor;
  transform: translate3d(-50%, -50%, 0) rotate(45deg);
}

.ls-coded-proof-close::after {
  transform: translate3d(-50%, -50%, 0) rotate(-45deg);
}

.ls-coded-proof-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.42rem;
}

.ls-coded-proof-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.34rem;
  min-height: 1.38rem;
  border-radius: 7px;
  padding: 0.12rem 0.5rem;
  font-size: 0.82em;
  font-weight: 760;
  line-height: 1;
}

.ls-coded-proof-pill-icon {
  position: relative;
  flex: 0 0 auto;
  width: 0.86em;
  height: 0.86em;
  border-radius: 999px;
  transform: translateY(0.01em);
}

.ls-coded-proof-pill-icon.is-incorrect {
  border: 1.4px solid currentColor;
}

.ls-coded-proof-pill-icon.is-incorrect::before,
.ls-coded-proof-pill-icon.is-incorrect::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 0.46em;
  height: 1.35px;
  border-radius: 999px;
  background: currentColor;
  transform: translate3d(-50%, -50%, 0) rotate(45deg);
}

.ls-coded-proof-pill-icon.is-incorrect::after {
  transform: translate3d(-50%, -50%, 0) rotate(-45deg);
}

.ls-coded-proof-subject {
  border: 1px solid rgba(119, 147, 184, 0.42);
  background: #ffffff;
  color: #030814;
}

.ls-coded-proof-difficulty {
  background: #25c3ad;
  color: #ffffff;
}

.ls-coded-proof-incorrect {
  background: #e60616;
  color: #ffffff;
  padding-left: 0.46rem;
  padding-right: 0.58rem;
}

.ls-coded-proof-question {
  margin: 0.58rem 0 0 3.34rem;
  color: #020817;
  font-size: 1.05em;
  line-height: 1.34;
}

.ls-coded-proof-similar {
  align-self: flex-start;
  margin: 1.02rem 0 0 3.34rem;
  border: 1px solid rgba(119, 147, 184, 0.32);
  border-radius: 6px;
  background: #ffffff;
  color: #050a1b;
  padding: 0.46rem 0.72rem;
  font-size: 0.78em;
  font-weight: 760;
  line-height: 1;
}

.ls-coded-proof-choices {
  display: grid;
  gap: 0.62rem;
  margin: 1.05rem 0 0 3.34rem;
}

.ls-coded-proof-choice {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0;
  min-height: 2.64rem;
  border: 1.5px solid rgba(205, 217, 229, 0.96);
  border-radius: 8px;
  background: #ffffff;
  color: rgba(2, 8, 23, 0.5);
  padding: 0 0.86rem;
  font-size: 0.98em;
  line-height: 1;
}

.ls-coded-proof-choice span {
  min-width: 0;
}

.ls-coded-proof-choice-label {
  display: inline-flex;
  align-items: center;
  line-height: 1.14;
  white-space: nowrap;
}

.ls-coded-proof-mark {
  position: relative;
  display: inline-block;
  flex: 0 0 auto;
  width: 1.02em;
  height: 1.02em;
  margin-left: 0.42rem;
  box-sizing: border-box;
  transform: translateY(0.015em);
}

.ls-coded-proof-choice.is-wrong {
  border-color: #ff4856;
  background: #fff2f3;
  color: #030814;
}

.ls-coded-proof-choice.is-wrong .ls-coded-proof-mark {
  width: 0.92em;
  height: 0.92em;
  margin-left: 0.36rem;
  color: #ff2d3e;
  transform: translateY(-0.02em);
}

.ls-coded-proof-choice.is-wrong .ls-coded-proof-mark::before,
.ls-coded-proof-choice.is-wrong .ls-coded-proof-mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 0.68em;
  height: 1.55px;
  border-radius: 999px;
  background: currentColor;
  transform: translate3d(-50%, -50%, 0) rotate(45deg);
}

.ls-coded-proof-choice.is-wrong .ls-coded-proof-mark::after {
  transform: translate3d(-50%, -50%, 0) rotate(-45deg);
}

.ls-coded-proof-choice.is-correct {
  border-color: #02c655;
  background: #ecfff4;
  color: #020817;
}

.ls-coded-proof-choice.is-correct .ls-coded-proof-mark {
  border: 1.5px solid #12bb5f;
  border-radius: 999px;
  color: #12bb5f;
}

.ls-coded-proof-choice.is-correct .ls-coded-proof-mark::after {
  content: "";
  position: absolute;
  left: 0.32em;
  top: 0.16em;
  width: 0.27em;
  height: 0.52em;
  border-right: 1.6px solid #12bb5f;
  border-bottom: 1.6px solid #12bb5f;
  transform: rotate(42deg);
}

.ls-coded-proof-answer {
  margin: 0.92rem 0 0 3.34rem;
  border: 1px solid rgba(119, 147, 184, 0.36);
  border-radius: 8px;
  background: #ffffff;
  padding: 1.06rem 1.18rem;
  color: #122565;
}

.ls-coded-proof-copy + .ls-coded-proof-copy {
  margin-top: 0.72rem;
}

.ls-coded-proof-copy strong,
.ls-coded-proof-references strong {
  display: block;
  margin: 0;
  color: #13265f;
  font-size: 0.95em;
  font-weight: 770;
  line-height: 1.25;
}

.ls-coded-proof-copy p,
.ls-coded-proof-references p {
  margin: 0.34rem 0 0;
  color: #122565;
  font-size: 0.9em;
  line-height: 1.42;
}

.ls-coded-proof-references {
  margin-top: 0.82rem;
  border-top: 1px solid rgba(119, 147, 184, 0.38);
  padding-top: 0.82rem;
}

.ls-coded-proof-references strong {
  position: relative;
  padding-left: 1.42rem;
  font-size: 1em;
}

.ls-coded-proof-references strong::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.1rem;
  width: 0.74rem;
  height: 0.74rem;
  border: 1.4px solid #13265f;
  border-radius: 2px;
  box-shadow: inset 0.23rem 0 0 #ffffff, inset 0.31rem 0 0 #13265f;
}

.ls-coded-proof-references p {
  font-size: 0.78em;
  font-weight: 520;
}

.ls-coded-proof-references p + p {
  margin-top: 0.36rem;
}

@keyframes lsLetterStackDrop {
  0% {
    opacity: 0;
    transform: translate3d(calc(var(--stack-x) - 0.5em), -82svh, 0);
  }
  72% {
    opacity: 1;
    transform: translate3d(calc(var(--stack-x) - 0.5em), calc(var(--stack-y) - 0.5em + 1px), 0);
  }
  100% {
    opacity: 1;
    transform: translate3d(calc(var(--stack-x) - 0.5em), calc(var(--stack-y) - 0.5em), 0);
  }
}

@keyframes lsIntroGlyphAssemble {
  0%,
  43% {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
  50% {
    opacity: 1;
    transform: translate3d(var(--assemble-x), var(--assemble-y), 0);
  }
  68% {
    opacity: 1;
    transform: translate3d(var(--assemble-x), var(--assemble-y), 0);
  }
  100% {
    opacity: 1;
    transform: translate3d(var(--assemble-x), var(--assemble-y), 0);
  }
}

@keyframes lsLetterColor {
  0%,
  58% {
    color: #f5f2ea;
  }
  86%,
  100% {
    color: #101827;
  }
}

@keyframes lsIntroStackGlide {
  0% {
    transform: translate3d(-50%, var(--ls-intro-start-y), 0);
  }
  100% {
    transform: translate3d(-50%, 0, 0);
  }
}

@keyframes lsIntroStackFade {
  0% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}

@keyframes lsIntroPaperFade {
  0%,
  48% {
    opacity: 0;
  }
  58% {
    opacity: 0.28;
  }
  70% {
    opacity: 0.12;
  }
  80%,
  100% {
    opacity: 0;
  }
}

@keyframes lsIntroCurtainFade {
  0%,
  60% {
    opacity: 1;
  }
  72%,
  100% {
    opacity: 0;
  }
}

@keyframes lsIntroLoaderFade {
  0%,
  96% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    visibility: hidden;
  }
}

@keyframes lsStudioHeroVisible {
  to {
    opacity: 1;
  }
}

@keyframes lsStudioImageIn {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

@keyframes lsStudioLayerFade {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

@keyframes lsStudioWordmarkResolve {
  0% {
    opacity: 1;
    clip-path: inset(0 50% 0 50%);
    transform: translate3d(-50%, 0, 0) scale(1);
  }
  100% {
    opacity: 1;
    clip-path: inset(0 0 0 0);
    transform: translate3d(-50%, 0, 0) scale(1);
  }
}

@keyframes lsStudioContentEnter {
  0% {
    opacity: 0;
    transform: translate3d(-50%, 1rem, 0);
  }
  100% {
    opacity: 1;
    transform: translate3d(-50%, 0, 0);
  }
}

@keyframes lsStudioProofEnter {
  0% {
    opacity: 0;
    transform: translate3d(-50%, 1.15rem, 0) scale(0.985);
  }

  100% {
    opacity: 1;
    transform: translate3d(-50%, 0, 0) scale(1);
  }
}

@keyframes lsStudioNavEnter {
  0% {
    opacity: 0;
    transform: translate3d(0, -1rem, 0);
  }
  100% {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@media (max-width: 860px) {
  .ls-intro-loader {
    --ls-intro-final-top: 7.4rem;
    --ls-intro-wordmark-h: 6rem;
    --ls-intro-bottom-gap: clamp(1.9rem, 5svh, 3.1rem);
  }

  .ls-nav-logo-link {
    width: 7.2rem;
  }

  .ls-studio-wordmark {
    top: 7.4rem;
    width: min(84vw, 28rem);
  }

  .ls-intro-wordmark {
    width: min(84vw, 28rem);
    font-size: clamp(1.75rem, 7.6vw, 4rem);
  }

  .ls-studio-copy {
    top: clamp(12.8rem, 27svh, 16rem);
    width: min(calc(100% - 1.5rem), 42rem);
  }

  .ls-studio-copy h1 {
    font-size: clamp(0.82rem, 2.72vw, 0.94rem);
  }

  .learnstack-home:not(.learnstack-studio-home) #philosophy h1 {
    font-size: clamp(0.82rem, 2.72vw, 0.94rem) !important;
  }

  .ls-studio-actions {
    top: clamp(23.9rem, 44.5svh, 25.45rem);
  }

  .ls-studio-product-proof {
    top: clamp(29.8rem, 54svh, 31.5rem);
    width: min(calc(100% - 1rem), 56rem);
  }

  .ls-coded-proof-card {
    padding: 1rem;
    font-size: clamp(0.6rem, 1.34vw, 0.86rem);
  }

  .ls-coded-proof-question,
  .ls-coded-proof-similar,
  .ls-coded-proof-choices,
  .ls-coded-proof-answer {
    margin-left: 2.85rem;
  }

  .ls-coded-proof-choice {
    min-height: 2.34rem;
  }
}

@media (max-width: 540px) {
  .ls-intro-loader {
    --ls-intro-final-top: 6.6rem;
    --ls-intro-wordmark-h: 5rem;
    --ls-intro-bottom-gap: 1.9rem;
  }

  .ls-intro-wordmark {
    width: min(82vw, 22rem);
    font-size: clamp(2rem, 12.2vw, 3rem);
  }

  .learnstack-home.learnstack-studio-home #philosophy > .ls-studio-hero {
    min-height: max(100svh, 72rem);
  }

  .ls-studio-background-image {
    object-position: 50% 50%;
  }

  .ls-studio-wordmark {
    top: 6.6rem;
    width: min(82vw, 22rem);
  }

  .ls-studio-copy {
    top: 11.95rem;
    width: min(calc(100% - 0.75rem), 25rem);
  }

  .ls-studio-copy h1 {
    max-width: min(calc(100vw - 1rem), 31.5rem);
    font-size: clamp(0.62rem, 2.72vw, 0.74rem);
    line-height: 1.04;
  }

  .learnstack-home:not(.learnstack-studio-home) #philosophy h1 {
    font-size: clamp(0.62rem, 2.72vw, 0.74rem) !important;
  }

  .ls-studio-copy > p {
    max-width: 22rem;
    margin-top: 0.55rem;
    font-size: 0.88rem;
    line-height: 1.5;
  }

  .ls-studio-actions {
    top: 23.25rem;
  }

  .ls-studio-product-proof {
    top: 29.2rem;
    width: min(calc(100% - 0.5rem), 34rem);
  }

  .ls-coded-proof-card {
    aspect-ratio: auto;
    border-radius: 8px;
    padding: 0.62rem;
    font-size: 0.56rem;
    box-shadow:
      0 18px 30px rgba(16, 24, 39, 0.15),
      0 3px 8px rgba(16, 24, 39, 0.08);
  }

  .ls-coded-proof-header {
    gap: 0.45rem;
  }

  .ls-coded-proof-tags {
    gap: 0.24rem;
  }

  .ls-coded-proof-pill {
    min-height: 1.15rem;
    border-radius: 5px;
    padding: 0.1rem 0.34rem;
  }

  .ls-coded-proof-question,
  .ls-coded-proof-similar,
  .ls-coded-proof-choices,
  .ls-coded-proof-answer {
    margin-left: 0;
  }

  .ls-coded-proof-question {
    margin-top: 0.48rem;
  }

  .ls-coded-proof-similar {
    margin-top: 0.68rem;
  }

  .ls-coded-proof-choices {
    gap: 0.38rem;
    margin-top: 0.68rem;
  }

  .ls-coded-proof-choice {
    min-height: 1.92rem;
    border-radius: 6px;
    padding-inline: 0.52rem;
  }

  .ls-coded-proof-answer {
    margin-top: 0.56rem;
    border-radius: 6px;
    padding: 0.62rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html:not(.ls-intro-complete) .learnstack-home:not(.learnstack-studio-home) #philosophy,
  html:not(.ls-intro-complete) .learnstack-home:not(.learnstack-studio-home) nav.fixed.inset-x-0 {
    opacity: 1 !important;
  }

  .ls-intro-loader {
    display: none;
  }

  .learnstack-home.learnstack-studio-home #philosophy > .ls-studio-hero,
  .ls-studio-wordmark,
  .ls-studio-layer,
  .ls-studio-layer-10,
    .ls-studio-background-image,
    .ls-studio-logo,
    .ls-studio-copy,
    .ls-studio-product-proof,
    .ls-studio-cta,
    html.ls-intro-complete .learnstack-home.learnstack-studio-home > .relative.z-10 > nav.fixed.inset-x-0 {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    filter: none !important;
  }

  .ls-studio-background-image {
    filter: saturate(0.96) contrast(1.14) brightness(0.96) !important;
  }

  .ls-studio-wordmark {
    clip-path: inset(0 0 0 0) !important;
    transform: translate3d(-50%, 0, 0) scale(1) !important;
  }

  .ls-studio-logo {
    filter: drop-shadow(0 16px 34px rgba(16, 24, 39, 0.08)) !important;
  }

  .ls-studio-copy,
  .ls-studio-actions,
  .ls-studio-product-proof {
    transform: translate3d(-50%, 0, 0) !important;
  }
}