:root {
  --paper: #f4efe6;
  --paper-warm: #f4efe6;
  --surface: #fffdf8;
  --surface-solid: #fffdf8;
  --surface-strong: #f9f4ea;
  --ink: #111111;
  --text: #111827;
  --muted: #5e5a53;
  --line: rgba(17, 17, 17, 0.14);
  --line-strong: rgba(17, 17, 17, 0.28);
  --accent: #8f7553;
  --shadow-soft: 0 24px 60px rgba(17, 17, 17, 0.08);
  --shadow-paper: 0 12px 30px rgba(17, 17, 17, 0.06);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 72px;
  --max-width: 1180px;
  --font-display: "Bricolage Grotesque", sans-serif;
  --font-body: "Manrope", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
  --font-brand: "Unbounded", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  font-family: var(--font-body);
  background: var(--paper);
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.paper-noise {
  display: none;
}

.site-header,
.hero,
.flow-showcase,
.section,
.closing,
.site-footer {
  padding-left: 24px;
  padding-right: 24px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  padding-top: 10px;
  transition: transform 260ms cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}

.site-header.is-hidden {
  transform: translateY(calc(-100% - 12px));
}

.site-header__inner {
  width: min(var(--max-width), 100%);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  min-height: 72px;
  padding: 12px 24px;
  border: 1px solid rgba(17, 17, 17, 0.1);
  border-radius: 34px;
  background: var(--surface-solid);
  box-shadow: 0 8px 20px rgba(17, 17, 17, 0.04);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  font-family: var(--font-body);
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  overflow: hidden;
}

.brand__mark img {
  width: 52px;
  height: 52px;
  object-fit: contain;
  filter: contrast(1.18) saturate(0.85);
}

.brand__name {
  font-family: var(--font-body);
  font-size: 1.22rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.main-nav,
.header-actions,
.hero-actions,
.hero-metrics,
.sheet__eyebrow,
.sheet__columns,
.section-heading,
.deliverable-sheet__head,
.site-footer__inner {
  display: flex;
}

.main-nav,
.header-actions {
  align-items: center;
  gap: var(--space-5);
}

.main-nav a,
.main-nav button,
.text-link,
.sheet__eyebrow,
.mini-card__label,
.paper-card__index,
.deliverable-sheet__head,
.dialogue-turn__speaker,
.site-footer p:first-child {
  font-family: var(--font-mono);
}

.main-nav a,
.main-nav button,
.text-link {
  font-size: 0.85rem;
  color: var(--muted);
}

.main-nav a:hover,
.main-nav button:hover,
.text-link:hover {
  color: var(--ink);
}

.nav-item {
  position: relative;
}

.nav-item button {
  appearance: none;
  padding: 10px 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.nav-item button::after {
  content: "";
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-left: 8px;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
  transition: transform 180ms ease;
}

.nav-item:hover button::after,
.nav-item:focus-within button::after {
  transform: translateY(1px) rotate(225deg);
}

.nav-panel {
  position: absolute;
  left: 50%;
  top: calc(100% + 12px);
  width: 220px;
  z-index: 30;
  display: grid;
  gap: 6px;
  padding: 10px;
  border: 1px solid rgba(17, 17, 17, 0.12);
  border-radius: 18px;
  background: var(--surface-solid);
  box-shadow: 0 18px 34px rgba(17, 17, 17, 0.11);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 8px) scale(0.98);
  transform-origin: top center;
  transition: opacity 170ms ease, transform 170ms ease;
}

.nav-panel::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -14px;
  height: 14px;
}

.nav-item:hover .nav-panel,
.nav-item:focus-within .nav-panel {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, 0) scale(1);
}

.nav-panel a {
  padding: 10px 12px;
  border-radius: 12px;
  color: var(--ink);
  line-height: 1.25;
}

.nav-panel a:hover,
.nav-panel a:focus-visible {
  background: var(--surface-strong);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 600;
  transition: transform 180ms ease, background-color 180ms ease, box-shadow 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button:focus-visible,
.text-link:focus-visible,
.main-nav a:focus-visible,
.main-nav button:focus-visible,
.brand:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

.button--solid {
  color: #fff;
  background: var(--ink);
  box-shadow: var(--shadow-paper);
}

.button--ghost {
  background: var(--surface-solid);
  border-color: rgba(17, 17, 17, 0.16);
}

.text-link--dark {
  color: var(--ink);
}

.hero {
  padding-top: 18px;
}

.hero__grid,
.dialogue-grid,
.deliverable-layout {
  width: min(var(--max-width), 100%);
  margin: 0 auto;
  display: grid;
  gap: var(--space-7);
}

.hero__grid {
  grid-template-columns: minmax(0, 458px) minmax(0, 612px);
  align-items: start;
  justify-content: space-between;
  min-height: calc(100vh - 104px);
  padding-top: 28px;
  padding-bottom: 68px;
  column-gap: 64px;
}

.hero-copy {
  max-width: 458px;
  padding-top: 12px;
}

.kicker {
  margin: 0 0 18px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero-copy h1,
.section-heading h2,
.closing h2 {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.05em;
}

.hero-copy h1 {
  max-width: 6.8ch;
  font-size: clamp(3.1rem, 4.9vw, 4.7rem);
  line-height: 0.94;
  letter-spacing: -0.065em;
}

.hero-copy h1 span {
  display: block;
  color: rgba(17, 17, 17, 0.6);
}

.hero-copy__body,
.section-heading__body,
.paper-card p,
.mini-card p,
.deliverable-sheet__item p,
.closing p,
.dialogue-turn p,
.sheet__text,
.sheet-note__body {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.75;
}

.hero-copy__body {
  max-width: 42ch;
  margin-top: 24px;
  font-size: 1.02rem;
  line-height: 1.86;
}

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

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 42px 0 0;
  padding: 0;
}

.hero-metrics div {
  min-width: 0;
  min-height: 124px;
  padding: 20px 18px 18px;
  border: 1px solid rgba(17, 17, 17, 0.08);
  border-radius: 22px;
  background: var(--surface-solid);
  box-shadow: 0 12px 28px rgba(17, 17, 17, 0.045);
}

.hero-metrics dt {
  margin-bottom: 10px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-metrics dd {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 1.04rem;
  line-height: 1.22;
  font-weight: 600;
}

.hero-stack {
  position: relative;
  width: min(612px, 100%);
  min-height: 686px;
  justify-self: end;
}

.hero-stack::after {
  display: none;
}

.sheet,
.paper-card,
.mini-card,
.deliverable-sheet,
.dialogue-sheet,
.closing__inner {
  position: relative;
  background: var(--surface);
  border: 1px solid rgba(17, 17, 17, 0.1);
  box-shadow: var(--shadow-soft);
}

.sheet::before,
.paper-card::before,
.mini-card::before,
.deliverable-sheet::before,
.dialogue-sheet::before,
.closing__inner::before {
  content: none;
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.48), transparent 34%),
    repeating-linear-gradient(
      180deg,
      transparent,
      transparent 28px,
      rgba(17, 17, 17, 0.015) 28px,
      rgba(17, 17, 17, 0.015) 29px
    );
}

.sheet {
  border-radius: var(--radius-xl);
}

.sheet--main {
  position: absolute;
  inset: 18px 84px 0 0;
  padding: 34px 34px 30px;
  background: var(--surface-solid);
  z-index: 3;
  transform: rotate(-0.55deg);
  box-shadow: 0 16px 34px rgba(17, 17, 17, 0.07);
}

.sheet--tilted {
  position: absolute;
  top: 10px;
  right: 4px;
  width: 156px;
  padding: 18px;
  border-radius: var(--radius-lg);
  transform: rotate(2.8deg);
  z-index: 5;
}

.sheet__eyebrow,
.deliverable-sheet__head,
.site-footer__inner {
  justify-content: space-between;
}

.sheet__eyebrow,
.deliverable-sheet__head,
.sheet__label,
.sheet__section,
.stamp,
.sheet-note__meta,
.sheet__prompt-label {
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.sheet__eyebrow,
.sheet__label,
.sheet__section,
.stamp,
.sheet-note__meta,
.deliverable-sheet__head,
.sheet__prompt-label {
  color: var(--muted);
}

.sheet__headline {
  margin-top: 18px;
}

.sheet__headline h2 {
  max-width: 7ch;
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(2.85rem, 3.6vw, 4rem);
  line-height: 0.9;
  letter-spacing: -0.04em;
}

.sheet__columns {
  gap: 16px;
  margin-top: 32px;
}

.sheet__columns > div {
  flex: 1;
  min-width: 0;
  padding: 18px 18px;
  border-radius: 22px;
  background: var(--surface-solid);
  border: 1px solid rgba(17, 17, 17, 0.08);
  box-shadow: 0 8px 20px rgba(17, 17, 17, 0.03);
}

.sheet__divider {
  height: 1px;
  margin: 28px 0 20px;
  background: var(--line);
}

.sheet__prompt {
  padding: 18px 20px;
  border-left: 3px solid var(--ink);
  border-radius: 0 18px 18px 0;
  background: var(--surface-strong);
}

.sheet__prompt p {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 600;
  line-height: 1.5;
}

.sheet-note__title {
  margin: 8px 0 10px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.25;
}

.sheet-note__body {
  font-size: 0.9rem;
  line-height: 1.7;
}

.closing__inner {
  width: min(var(--max-width), 100%);
  margin-left: auto;
  margin-right: auto;
}

.section {
  padding-top: 42px;
  padding-bottom: var(--space-8);
}

.flow-showcase,
.section,
.closing,
.site-footer {
  content-visibility: auto;
  contain-intrinsic-size: 760px;
}

.flow-showcase {
  padding-top: 18px;
  padding-bottom: 88px;
}

.flow-showcase__inner {
  position: relative;
  width: min(1220px, 100%);
  min-height: 660px;
  margin: 0 auto;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 420px) minmax(0, 1fr);
  align-items: center;
  gap: 56px;
  padding: 64px 64px;
  border: 1px solid rgba(255, 253, 248, 0.16);
  border-radius: 56px;
  color: var(--surface-solid);
  background:
    radial-gradient(circle at 24% 18%, rgba(255, 253, 248, 0.08), transparent 28%),
    radial-gradient(circle at 84% 72%, rgba(143, 117, 83, 0.24), transparent 26%),
    #10100f;
  box-shadow: 0 18px 38px rgba(17, 17, 17, 0.14);
}

.flow-showcase__inner::before {
  content: "";
  position: absolute;
  inset: 18px;
  border: 1px solid rgba(255, 253, 248, 0.08);
  border-radius: 42px;
  pointer-events: none;
}

.flow-showcase__copy {
  position: relative;
  z-index: 3;
  max-width: 420px;
}

.flow-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 30px;
}

.flow-tabs span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  border: 1px solid rgba(255, 253, 248, 0.34);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.flow-tabs span {
  padding: 0 15px;
  color: rgba(255, 253, 248, 0.88);
  background: rgba(255, 253, 248, 0.06);
}

.flow-showcase__eyebrow {
  margin: 0 0 20px;
  color: #c8ad86;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.flow-showcase h2 {
  max-width: 12ch;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.65rem, 3.6vw, 4rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.flow-showcase__copy p:not(.flow-showcase__eyebrow) {
  max-width: 40ch;
  margin: 24px 0 0;
  color: rgba(255, 253, 248, 0.72);
  font-size: 1.04rem;
  line-height: 1.82;
}

.button--paper {
  margin-top: 30px;
  color: var(--ink);
  background: var(--surface-solid);
  border-color: rgba(255, 253, 248, 0.8);
}

.flow-stage {
  position: relative;
  z-index: 2;
  min-height: 560px;
  overflow: visible;
}

.flow-stage::after {
  display: none;
}

.study-device {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 440px;
  min-height: 420px;
  transform: translate(-48%, -52%);
  padding: 26px;
  border: 1px solid rgba(255, 253, 248, 0.18);
  border-radius: 34px;
  background: #181817;
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.22);
  z-index: 4;
}

.study-device__top {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 22px;
  color: rgba(255, 253, 248, 0.74);
  font-family: var(--font-mono);
  font-size: 0.74rem;
}

.study-avatar {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  color: var(--ink);
  background: var(--surface-solid);
  overflow: hidden;
}

.study-avatar img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.study-device__top p {
  margin: 0;
  color: var(--surface-solid);
}

.study-device__top span {
  display: block;
  margin-top: 4px;
  color: rgba(255, 253, 248, 0.45);
}

.study-brief {
  padding: 22px;
  border: 1px solid rgba(255, 253, 248, 0.12);
  border-radius: 24px;
  background: rgba(255, 253, 248, 0.06);
}

.study-brief__label {
  margin: 0 0 12px;
  color: #c8ad86;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.study-brief h3 {
  max-width: 14ch;
  margin: 0;
  color: var(--surface-solid);
  font-family: var(--font-display);
  font-size: 2rem;
  line-height: 1.04;
  letter-spacing: -0.04em;
}

.study-brief p:not(.study-brief__label) {
  margin: 16px 0 0;
  color: rgba(255, 253, 248, 0.64);
  font-size: 0.94rem;
  line-height: 1.68;
}

.study-device__bottom {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 12px;
  margin-top: 14px;
}

.study-output {
  padding: 15px 16px;
  border: 1px solid rgba(255, 253, 248, 0.12);
  border-radius: 18px;
  background: rgba(255, 253, 248, 0.07);
}

.study-output p {
  margin: 0 0 6px;
  color: rgba(255, 253, 248, 0.46);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.study-output strong {
  color: var(--surface-solid);
  font-family: var(--font-display);
  font-size: 0.94rem;
  line-height: 1.25;
}

.section--alt {
  background: var(--paper);
}

.section-heading {
  width: min(var(--max-width), 100%);
  margin: 0 auto 34px;
  flex-direction: column;
  gap: 14px;
}

.section-heading--process {
  display: block;
  margin-bottom: 38px;
}

.section-heading h2,
.closing h2 {
  max-width: 12ch;
  font-size: clamp(2.2rem, 4.4vw, 4.3rem);
  line-height: 0.98;
}

.process-grid {
  position: relative;
  width: min(var(--max-width), 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.process-grid::before {
  content: none;
}

.paper-card,
.mini-card {
  border-radius: var(--radius-lg);
  padding: 26px;
}

.paper-card {
  min-height: 330px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border-color: rgba(17, 17, 17, 0.12);
  background:
    linear-gradient(180deg, var(--surface-solid), var(--surface-strong));
  box-shadow: 0 18px 38px rgba(17, 17, 17, 0.07);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.paper-card:nth-child(2) {
  margin-top: 28px;
  color: var(--surface-solid);
  background:
    radial-gradient(circle at 22% 0%, rgba(255, 253, 248, 0.08), transparent 32%),
    #111111;
  border-color: rgba(17, 17, 17, 0.9);
  box-shadow: 0 24px 46px rgba(17, 17, 17, 0.16);
}

.paper-card:nth-child(3) {
  margin-top: 56px;
}

.paper-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 46px rgba(17, 17, 17, 0.11);
}

.paper-card::after {
  content: "";
  position: absolute;
  right: -28px;
  top: -28px;
  width: 132px;
  height: 132px;
  border: 1px solid rgba(17, 17, 17, 0.08);
  border-radius: 34px;
  transform: rotate(12deg);
}

.paper-card:nth-child(2)::after {
  border-color: rgba(255, 253, 248, 0.12);
}

.paper-card__top {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.paper-card__index,
.mini-card__label {
  margin: 0;
  color: var(--accent);
  font-size: 0.75rem;
}

.paper-card__top span {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.paper-card:nth-child(2) .paper-card__top span,
.paper-card:nth-child(2) .paper-card__index {
  color: #c8ad86;
}

.paper-card h3,
.mini-card h3,
.deliverable-sheet__item h3 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 1.4rem;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.paper-card h3 {
  max-width: 12ch;
  font-size: 1.62rem;
}

.paper-card:nth-child(2) p {
  color: rgba(255, 253, 248, 0.7);
}

.paper-card h3,
.paper-card p,
.paper-card__artifact {
  position: relative;
  z-index: 1;
}

.paper-card__artifact {
  margin-top: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 28px;
}

.paper-card__artifact span,
.paper-card__artifact--question {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(17, 17, 17, 0.12);
  border-radius: 999px;
  background: var(--surface-solid);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--ink);
}

.paper-card:nth-child(2) .paper-card__artifact--question {
  color: var(--surface-solid);
  background: rgba(255, 253, 248, 0.08);
  border-color: rgba(255, 253, 248, 0.18);
}

.paper-card__artifact span {
  padding: 0 12px;
}

.paper-card__artifact--question {
  width: 100%;
  padding: 12px 14px;
  border-radius: 16px;
  line-height: 1.45;
}

.deliverable-layout {
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  align-items: start;
}

.deliverable-sheet {
  border-radius: var(--radius-xl);
  padding: 26px;
}

.deliverable-sheet__body {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 22px;
  margin-top: 24px;
}

.deliverable-sheet__rail {
  border-radius: 999px;
  background:
    linear-gradient(180deg, rgba(17, 17, 17, 0.1), rgba(17, 17, 17, 0.02)),
    rgba(17, 17, 17, 0.04);
}

.deliverable-sheet__content {
  display: grid;
  gap: 14px;
}

.deliverable-sheet__item {
  padding: 18px 20px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  transition: transform 220ms ease, border-color 220ms ease, background-color 220ms ease;
}

.deliverable-sheet__item.is-active {
  transform: translateX(8px);
  border-color: var(--line-strong);
  background: var(--surface-solid);
}

.deliverable-list {
  display: grid;
  gap: 18px;
}

.feature-roadmap {
  padding-top: 58px;
}

.feature-board {
  width: min(var(--max-width), 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(280px, 0.65fr) minmax(0, 1.35fr);
  gap: 22px;
  align-items: stretch;
}

.feature-board__hero {
  position: sticky;
  top: 120px;
  min-height: 520px;
  padding: 30px;
  border: 1px solid rgba(17, 17, 17, 0.12);
  border-radius: 30px;
  color: var(--surface-solid);
  background:
    radial-gradient(circle at 18% 0%, rgba(255, 253, 248, 0.08), transparent 34%),
    #111111;
  box-shadow: 0 22px 44px rgba(17, 17, 17, 0.14);
}

.feature-board__hero h3 {
  max-width: 11ch;
  margin: 18px 0 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.2vw, 3.35rem);
  line-height: 0.98;
  letter-spacing: -0.05em;
}

.feature-board__hero p:not(.mini-card__label) {
  margin: 24px 0 0;
  color: rgba(255, 253, 248, 0.68);
  line-height: 1.78;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.feature-tile {
  min-height: 172px;
  padding: 20px;
  border: 1px solid rgba(17, 17, 17, 0.1);
  border-radius: 24px;
  background: var(--surface-solid);
  box-shadow: 0 12px 28px rgba(17, 17, 17, 0.045);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.feature-tile:hover,
.feature-tile:focus-visible {
  transform: translateY(-3px);
  border-color: rgba(17, 17, 17, 0.22);
  box-shadow: 0 18px 34px rgba(17, 17, 17, 0.075);
}

.feature-tile:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

.feature-tile span {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.feature-tile h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 1.02rem;
  line-height: 1.18;
  letter-spacing: -0.025em;
}

.feature-tile p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.58;
}

.feature-tile:nth-child(3),
.feature-tile:nth-child(8),
.feature-tile:nth-child(10) {
  color: var(--surface-solid);
  background: #111111;
  border-color: rgba(17, 17, 17, 0.9);
}

.feature-tile:nth-child(3) p,
.feature-tile:nth-child(8) p,
.feature-tile:nth-child(10) p {
  color: rgba(255, 253, 248, 0.68);
}

.is-retired {
  display: none !important;
}

.feature-atlas,
.feature-story {
  padding-left: 24px;
  padding-right: 24px;
}

.feature-atlas {
  padding-top: 42px;
  padding-bottom: 24px;
  content-visibility: auto;
  contain-intrinsic-size: 720px;
}

.feature-atlas__shell {
  width: min(1220px, 100%);
  margin: 0 auto;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: 52px;
  align-items: center;
  min-height: 560px;
  padding: 54px;
  border: 1px solid rgba(255, 253, 248, 0.14);
  border-radius: 52px;
  color: var(--surface-solid);
  background:
    radial-gradient(circle at 80% 20%, rgba(143, 117, 83, 0.24), transparent 26%),
    linear-gradient(135deg, #111111, #181715 58%, #0b0b0a);
  box-shadow: 0 24px 48px rgba(17, 17, 17, 0.16);
}

.feature-atlas__intro h2,
.feature-story__heading h2,
.feature-chapter h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.055em;
}

.feature-atlas__intro h2 {
  max-width: 10.5ch;
  color: var(--surface-solid);
  font-size: clamp(2.9rem, 4.4vw, 5.1rem);
  line-height: 0.94;
}

.feature-atlas__intro p:not(.kicker) {
  max-width: 44ch;
  margin: 24px 0 0;
  color: rgba(255, 253, 248, 0.7);
  font-size: 1.04rem;
  line-height: 1.82;
}

.feature-atlas__map {
  position: relative;
  min-height: auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  align-content: center;
}

.feature-atlas__map::before {
  content: none;
}

.feature-atlas__map a {
  position: relative;
  z-index: 1;
  min-height: 86px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: 14px;
  padding-left: 22px;
  border: 1px solid rgba(255, 253, 248, 0.16);
  border-radius: 22px;
  color: rgba(255, 253, 248, 0.88);
  background: rgba(255, 253, 248, 0.075);
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 700;
  text-align: center;
  animation: atlasFloat 4.8s ease-in-out infinite;
  transition: transform 180ms ease, background-color 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.feature-atlas__map a:nth-child(3n) {
  transform: none;
  animation-delay: 180ms;
}

.feature-atlas__map a:nth-child(4n + 1) {
  transform: none;
  animation-delay: 360ms;
}

.feature-atlas__map a:hover,
.feature-atlas__map a:focus-visible {
  transform: translateY(-4px) scale(1.03);
  border-color: rgba(255, 253, 248, 0.5);
  background: var(--surface-solid);
  color: var(--ink);
  box-shadow: 0 16px 30px rgba(0, 0, 0, 0.24);
}

.feature-story {
  padding-top: 36px;
  padding-bottom: 72px;
  content-visibility: auto;
  contain-intrinsic-size: 2200px;
}

.feature-story__heading {
  width: min(var(--max-width), 100%);
  margin: 0 auto 28px;
}

.feature-story__heading h2 {
  max-width: 10ch;
  color: var(--ink);
  font-size: clamp(2.6rem, 5vw, 5rem);
  line-height: 0.94;
}

.feature-chapter {
  width: min(var(--max-width), 100%);
  margin: 18px auto 0;
  overflow: hidden;
  position: relative;
  min-height: 520px;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(300px, 0.78fr);
  gap: 42px;
  align-items: center;
  padding: 46px;
  border: 1px solid rgba(17, 17, 17, 0.1);
  border-radius: 38px;
  background: var(--surface-solid);
  box-shadow: 0 18px 36px rgba(17, 17, 17, 0.06);
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.feature-chapter:hover {
  transform: translateY(-6px);
  border-color: rgba(17, 17, 17, 0.18);
  box-shadow: 0 26px 52px rgba(17, 17, 17, 0.1);
}

.feature-chapter:hover .concept-board span,
.feature-chapter:hover .card-theatre,
.feature-chapter:hover .audit-board span,
.feature-chapter:hover .exam-card {
  translate: 0 -4px;
}

.feature-chapter:hover .audit-board .is-warn {
  translate: 10px -4px;
}

.feature-chapter::after {
  content: "";
  position: absolute;
  inset: auto -110px -120px auto;
  width: 280px;
  height: 280px;
  border: 1px solid rgba(17, 17, 17, 0.07);
  border-radius: 50%;
  pointer-events: none;
}

.feature-chapter:nth-of-type(even) {
  grid-template-columns: minmax(300px, 0.78fr) minmax(0, 0.9fr);
}

.feature-chapter:nth-of-type(even) .feature-chapter__copy {
  order: 2;
}

.feature-chapter:nth-of-type(even) > :not(.feature-chapter__copy) {
  order: 1;
}

.feature-chapter--black {
  color: var(--surface-solid);
  background:
    radial-gradient(circle at 88% 18%, rgba(143, 117, 83, 0.18), transparent 28%),
    #10100f;
  border-color: rgba(17, 17, 17, 0.9);
}

.feature-chapter--timeline {
  background:
    linear-gradient(90deg, rgba(17, 17, 17, 0.035) 1px, transparent 1px),
    var(--surface-solid);
  background-size: 42px 42px;
}

.feature-chapter--split {
  background:
    radial-gradient(circle at 84% 82%, rgba(17, 17, 17, 0.035), transparent 24%),
    var(--surface-solid);
}

.feature-chapter--graph {
  background:
    linear-gradient(90deg, rgba(17, 17, 17, 0.04) 1px, transparent 1px),
    linear-gradient(180deg, rgba(17, 17, 17, 0.04) 1px, transparent 1px),
    var(--surface-solid);
  background-size: 36px 36px;
}

.feature-chapter--focus {
  background:
    radial-gradient(circle at 78% 48%, rgba(17, 17, 17, 0.06), transparent 24%),
    var(--surface-solid);
}

.feature-chapter__copy {
  position: relative;
  z-index: 1;
}

.chapter-label {
  margin: 0 0 18px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.feature-chapter h3 {
  max-width: 12ch;
  color: var(--ink);
  font-size: clamp(2.4rem, 4.5vw, 5rem);
  line-height: 0.92;
}

.feature-chapter--black h3 {
  color: var(--surface-solid);
}

.feature-chapter__copy p:not(.chapter-label) {
  max-width: 54ch;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.84;
}

.feature-chapter--black .feature-chapter__copy p:not(.chapter-label) {
  color: rgba(255, 253, 248, 0.68);
}

.concept-board,
.card-theatre,
.review-rail,
.audit-board,
.math-video,
.voice-wave,
.syllabus-board,
.timer-face,
.deadline-strip,
.exam-card,
.xp-strip,
.circle-orbit,
.export-stack,
.forum-board {
  position: relative;
  z-index: 1;
}

.concept-board {
  min-height: 360px;
  display: grid;
  place-items: center;
}

.concept-board span {
  position: absolute;
  min-width: 116px;
  padding: 13px 16px;
  border: 1px solid rgba(17, 17, 17, 0.13);
  border-radius: 999px;
  background: var(--surface-solid);
  font-family: var(--font-mono);
  text-align: center;
  box-shadow: 0 12px 26px rgba(17, 17, 17, 0.06);
  transition: transform 220ms ease, box-shadow 220ms ease;
}

.concept-board span:nth-child(1) {
  font-family: var(--font-display);
  font-weight: 800;
  transform: scale(1.18);
}

.concept-board span:nth-child(2) {
  transform: translate(-120px, -92px);
}

.concept-board span:nth-child(3) {
  transform: translate(128px, -80px);
}

.concept-board span:nth-child(4) {
  transform: translate(-112px, 98px);
}

.concept-board span:nth-child(5) {
  transform: translate(130px, 104px);
}

.card-theatre {
  max-width: 360px;
  justify-self: center;
  padding: 34px;
  border: 1px solid rgba(255, 253, 248, 0.18);
  border-radius: 30px;
  background: var(--surface-solid);
  color: var(--ink);
  transform: rotate(-2deg);
  transition: transform 220ms ease, box-shadow 220ms ease;
}

.card-theatre span,
.math-video span {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.card-theatre strong {
  display: block;
  margin-top: 28px;
  font-family: var(--font-display);
  font-size: 2rem;
  line-height: 1.05;
}

.card-theatre small {
  display: inline-flex;
  margin-top: 34px;
  padding: 9px 14px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--surface-solid);
}

.review-rail,
.deadline-strip {
  display: grid;
  gap: 18px;
}

.review-rail span,
.deadline-strip span {
  min-height: 64px;
  display: flex;
  align-items: center;
  padding: 0 22px;
  border: 1px solid rgba(17, 17, 17, 0.12);
  border-radius: 999px;
  background: var(--surface-solid);
  font-family: var(--font-mono);
}

.review-rail span:nth-child(even),
.deadline-strip span:nth-child(even) {
  margin-left: 42px;
}

.audit-board,
.forum-board {
  display: grid;
  gap: 14px;
}

.audit-board span,
.forum-board span {
  min-height: 64px;
  display: flex;
  align-items: center;
  padding: 0 20px;
  border: 1px solid rgba(17, 17, 17, 0.12);
  border-radius: 18px;
  background: var(--surface-solid);
  font-family: var(--font-display);
  font-weight: 700;
  transition: transform 180ms ease, background-color 180ms ease;
}

.audit-board .is-warn {
  color: var(--surface-solid);
  background: var(--ink);
}

.math-video {
  min-height: 310px;
  padding: 28px;
  border: 1px solid rgba(17, 17, 17, 0.14);
  border-radius: 28px;
  background: var(--surface-solid);
}

.math-video i {
  display: block;
  height: 130px;
  margin: 28px 0;
  border-left: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  background:
    linear-gradient(156deg, transparent 0 44%, var(--ink) 45% 47%, transparent 48%),
    radial-gradient(circle at 64% 34%, var(--accent) 0 6px, transparent 7px);
}

.math-video strong {
  font-family: var(--font-display);
  font-size: 1.35rem;
}

.voice-wave {
  min-height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.voice-wave i {
  width: 12px;
  height: 92px;
  border-radius: 999px;
  background: var(--surface-solid);
  animation: wavePulse 1.5s ease-in-out infinite;
}

.voice-wave i:nth-child(2),
.voice-wave i:nth-child(4) {
  height: 150px;
  animation-delay: 120ms;
}

.voice-wave i:nth-child(3) {
  height: 210px;
  animation-delay: 240ms;
}

.syllabus-board {
  display: grid;
  gap: 18px;
}

.syllabus-board span {
  --w: 50%;
  position: relative;
  overflow: hidden;
  min-height: 70px;
  display: flex;
  align-items: center;
  padding: 0 22px;
  border: 1px solid rgba(17, 17, 17, 0.12);
  border-radius: 20px;
  font-family: var(--font-mono);
}

.syllabus-board span::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--w);
  background: rgba(17, 17, 17, 0.08);
}

.exam-card {
  width: min(360px, 100%);
  justify-self: center;
  min-height: 260px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 30px;
  border-radius: 30px;
  border: 1px solid rgba(17, 17, 17, 0.14);
  background: var(--surface-solid);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.16);
  transition: transform 220ms ease;
}

.exam-card strong {
  font-family: var(--font-display);
  font-size: clamp(3rem, 5vw, 5rem);
  line-height: 0.9;
}

.exam-card span {
  display: block;
  max-width: 22ch;
  margin-top: 22px;
  color: var(--muted);
  line-height: 1.45;
}

.exam-card {
  color: var(--ink);
  background:
    linear-gradient(90deg, var(--ink) 0 74%, rgba(17, 17, 17, 0.08) 74% 100%) left bottom / 100% 10px no-repeat,
    var(--surface-solid);
}

.xp-strip,
.export-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.xp-strip span {
  width: 64px;
  height: 64px;
  display: grid;
  place-items: center;
  border-radius: 20px;
  background: var(--ink);
  color: var(--surface-solid);
  font-family: var(--font-mono);
}

.xp-strip span:nth-child(4),
.xp-strip span:nth-child(5) {
  transform: translateY(28px);
  background: var(--accent);
}

.circle-orbit {
  min-height: 300px;
  display: grid;
  place-items: center;
}

.circle-orbit span {
  position: absolute;
  width: 74px;
  height: 74px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--ink);
  color: var(--surface-solid);
  font-family: var(--font-display);
  font-weight: 800;
}

.circle-orbit span:nth-child(1) {
  transform: translateY(-92px);
}

.circle-orbit span:nth-child(2) {
  transform: translate(96px, 42px);
}

.circle-orbit span:nth-child(3) {
  transform: translate(-96px, 42px);
}

.circle-orbit span:nth-child(4) {
  background: var(--accent);
}

.export-stack {
  align-items: center;
  justify-content: center;
}

.export-stack span {
  min-width: 150px;
  min-height: 90px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 253, 248, 0.2);
  border-radius: 20px;
  background: var(--surface-solid);
  color: var(--ink);
  font-family: var(--font-mono);
  transform: rotate(-4deg);
}

.export-stack span:nth-child(2) {
  transform: translateY(34px) rotate(3deg);
}

.export-stack span:nth-child(3) {
  transform: rotate(5deg);
}

@keyframes wavePulse {
  0%,
  100% {
    transform: scaleY(0.65);
    opacity: 0.7;
  }

  50% {
    transform: scaleY(1);
    opacity: 1;
  }
}

@keyframes atlasFloat {
  0%,
  100% {
    translate: 0 0;
  }

  50% {
    translate: 0 -5px;
  }
}

.feature-deep-dive {
  padding-top: 10px;
}

.feature-sections {
  width: min(var(--max-width), 100%);
  margin: 0 auto;
  display: grid;
  gap: 20px;
}

.feature-section {
  position: relative;
  overflow: hidden;
  min-height: 360px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.76fr);
  gap: 34px;
  align-items: stretch;
  padding: 34px;
  border: 1px solid rgba(17, 17, 17, 0.1);
  border-radius: 34px;
  background:
    linear-gradient(180deg, var(--surface-solid), var(--surface-strong));
  box-shadow: 0 16px 34px rgba(17, 17, 17, 0.055);
}

.feature-section::after {
  content: "";
  position: absolute;
  right: -80px;
  top: -120px;
  width: 340px;
  height: 340px;
  border: 1px solid rgba(17, 17, 17, 0.06);
  border-radius: 72px;
  transform: rotate(12deg);
  pointer-events: none;
}

.feature-section:nth-child(even) {
  grid-template-columns: minmax(280px, 0.76fr) minmax(0, 1fr);
}

.feature-section:nth-child(even) .feature-section__copy {
  order: 2;
}

.feature-section:nth-child(even) .feature-section__paper {
  order: 1;
}

.feature-section--dark {
  color: var(--surface-solid);
  background:
    radial-gradient(circle at 18% 20%, rgba(255, 253, 248, 0.08), transparent 26%),
    radial-gradient(circle at 88% 80%, rgba(143, 117, 83, 0.16), transparent 32%),
    #111111;
  border-color: rgba(17, 17, 17, 0.88);
  box-shadow: 0 22px 42px rgba(17, 17, 17, 0.13);
}

.feature-section--dark::after {
  border-color: rgba(255, 253, 248, 0.08);
}

.feature-section__copy,
.feature-section__paper {
  position: relative;
  z-index: 1;
}

.feature-section__copy {
  align-self: center;
  max-width: 620px;
}

.feature-section__number {
  margin: 0 0 18px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.feature-section h3 {
  max-width: 13ch;
  margin: 0;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.4vw, 3.7rem);
  line-height: 0.96;
  letter-spacing: -0.055em;
}

.feature-section__copy p:not(.feature-section__number) {
  max-width: 56ch;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.82;
}

.feature-section--dark h3 {
  color: var(--surface-solid);
}

.feature-section--dark .feature-section__copy p:not(.feature-section__number) {
  color: rgba(255, 253, 248, 0.7);
}

.feature-section__paper {
  align-self: center;
  min-height: 240px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 28px;
  border: 1px solid rgba(17, 17, 17, 0.12);
  border-radius: 28px;
  background: var(--surface-solid);
  box-shadow: 0 16px 32px rgba(17, 17, 17, 0.06);
}

.feature-section--dark .feature-section__paper {
  color: var(--ink);
  border-color: rgba(255, 253, 248, 0.18);
}

.feature-section__paper span {
  margin-bottom: 18px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.feature-section__paper strong {
  color: var(--ink);
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2vw, 2.15rem);
  line-height: 1.08;
  letter-spacing: -0.035em;
}

.feature-section__paper p {
  margin: 18px 0 0;
  color: var(--muted);
  line-height: 1.68;
}

.feature-section__paper--graph {
  background:
    linear-gradient(90deg, rgba(17, 17, 17, 0.04) 1px, transparent 1px),
    linear-gradient(180deg, rgba(17, 17, 17, 0.04) 1px, transparent 1px),
    var(--surface-solid);
  background-size: 34px 34px;
}

.feature-widget {
  margin-top: 24px;
  min-height: 74px;
}

.feature-widget i {
  font-style: normal;
}

.concept-web {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.concept-web::before {
  content: "";
  position: absolute;
  inset: 50% 18px auto;
  height: 1px;
  background: var(--line);
}

.concept-web i,
.card-stack i,
.focus-timer i,
.export-dock i,
.forum-check i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  border: 1px solid rgba(17, 17, 17, 0.12);
  border-radius: 999px;
  background: var(--surface-solid);
  font-family: var(--font-mono);
  font-size: 0.74rem;
}

.card-stack {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 116px;
}

.card-stack i {
  position: absolute;
  width: 148px;
  height: 58px;
  border-radius: 18px;
  color: var(--ink);
  box-shadow: 0 10px 22px rgba(17, 17, 17, 0.12);
}

.card-stack i:nth-child(1) {
  transform: translateX(-56px) rotate(-9deg);
}

.card-stack i:nth-child(2) {
  z-index: 2;
  transform: translateY(-4px);
}

.card-stack i:nth-child(3) {
  transform: translateX(56px) rotate(9deg);
}

.audit-steps {
  display: grid;
  gap: 12px;
}

.audit-steps i {
  display: block;
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--ink) 0 18%, rgba(17, 17, 17, 0.1) 18% 100%);
}

.audit-steps i:nth-child(2) {
  background: linear-gradient(90deg, var(--accent) 0 54%, rgba(17, 17, 17, 0.1) 54% 100%);
}

.audit-steps i:nth-child(3) {
  background: linear-gradient(90deg, var(--ink) 0 82%, rgba(17, 17, 17, 0.1) 82% 100%);
}

.graph-line {
  position: relative;
  min-height: 96px;
  border-left: 1px solid rgba(17, 17, 17, 0.2);
  border-bottom: 1px solid rgba(17, 17, 17, 0.2);
}

.graph-line i {
  position: absolute;
  left: 18px;
  right: 10px;
  top: 42px;
  height: 34px;
  border-top: 3px solid var(--ink);
  border-radius: 50% 50% 0 0;
  transform: rotate(-5deg);
}

.transcript-strip {
  display: grid;
  gap: 12px;
}

.transcript-strip i {
  height: 14px;
  border-radius: 999px;
  background: rgba(17, 17, 17, 0.12);
}

.transcript-strip i:nth-child(1) {
  width: 72%;
}

.transcript-strip i:nth-child(2) {
  width: 92%;
  background: #c8ad86;
}

.transcript-strip i:nth-child(3) {
  width: 54%;
}

.syllabus-meter {
  min-height: 86px;
  padding: 14px;
  border: 1px solid rgba(17, 17, 17, 0.1);
  border-radius: 20px;
  background: rgba(17, 17, 17, 0.035);
}

.syllabus-meter i {
  display: block;
  height: 100%;
  width: 62%;
  border-radius: 16px;
  background: var(--ink);
}

.focus-timer {
  display: flex;
  align-items: center;
  gap: 12px;
}

.focus-timer i {
  width: 66px;
  height: 66px;
  border-radius: 50%;
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 800;
}

.focus-timer i:nth-child(2) {
  transform: translateY(14px);
}

.exam-score {
  display: grid;
  place-items: center;
  min-height: 124px;
}

.exam-score i {
  width: 124px;
  height: 124px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 800;
  background:
    radial-gradient(circle, var(--surface-solid) 0 52%, transparent 53%),
    conic-gradient(var(--ink) 0 74%, rgba(17, 17, 17, 0.12) 74% 100%);
}

.streak-row,
.circle-members,
.export-dock,
.forum-check {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.streak-row i,
.circle-members i {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--surface-solid);
  background: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.streak-row i:nth-child(6),
.streak-row i:nth-child(7) {
  background: var(--accent);
}

.circle-members i {
  margin-left: -8px;
  border: 2px solid var(--surface-solid);
}

.circle-members i:first-child {
  margin-left: 0;
}

.export-dock,
.forum-check {
  align-items: stretch;
}

.export-dock i,
.forum-check i {
  padding: 0 14px;
}

.forum-check i::before {
  content: "";
  width: 7px;
  height: 7px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.dialogue-lab {
  padding-top: 56px;
  padding-bottom: 78px;
}

.dialogue-lab__inner {
  width: min(var(--max-width), 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(0, 1fr);
  gap: 42px;
  align-items: center;
}

.dialogue-lab .section-heading {
  width: auto;
  margin: 0;
}

.tutor-console {
  overflow: hidden;
  border: 1px solid rgba(17, 17, 17, 0.12);
  border-radius: 34px;
  background: var(--surface-solid);
  box-shadow: 0 18px 38px rgba(17, 17, 17, 0.07);
}

.tutor-console__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 22px;
  border-bottom: 1px solid rgba(17, 17, 17, 0.1);
  background: var(--surface-strong);
}

.tutor-console__header span {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.tutor-console__header strong {
  font-family: var(--font-display);
}

.tutor-console__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 240px;
  gap: 18px;
  padding: 22px;
}

.tutor-chat {
  display: grid;
  gap: 14px;
}

.tutor-diagnosis {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 100%;
  padding: 20px;
  border-radius: 24px;
  color: var(--surface-solid);
  background: var(--ink);
}

.tutor-diagnosis p {
  margin: 0;
  color: #c8ad86;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.tutor-diagnosis strong {
  margin-top: 18px;
  font-family: var(--font-display);
  font-size: 1.35rem;
  line-height: 1.15;
}

.tutor-diagnosis span {
  margin-top: 22px;
  color: rgba(255, 253, 248, 0.64);
  line-height: 1.55;
}

.dialogue-grid {
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1fr);
  align-items: start;
}

.dialogue-sheet {
  border-radius: var(--radius-xl);
  padding: 24px;
}

.dialogue-turn + .dialogue-turn {
  margin-top: 18px;
}

.dialogue-turn {
  max-width: 88%;
  padding: 18px;
  border: 1px solid rgba(17, 17, 17, 0.08);
  border-radius: 18px 18px 18px 8px;
  background: var(--surface-solid);
}

.dialogue-turn--user {
  margin-left: auto;
  border-radius: 18px 18px 8px 18px;
  background: var(--surface-strong);
}

.dialogue-turn__speaker {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 0.76rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.closing {
  padding-top: 12px;
  padding-bottom: 88px;
}

.closing__inner {
  overflow: hidden;
  border-radius: 40px;
  padding: 36px;
}

.closing__inner::after {
  content: "";
  position: absolute;
  inset: auto -30px -40px auto;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  border: 1px solid rgba(17, 17, 17, 0.08);
  opacity: 0.5;
}

.site-footer {
  padding-top: 42px;
  padding-bottom: 28px;
}

.site-footer__inner {
  width: min(var(--max-width), 100%);
  margin: 0 auto;
  display: block;
  padding-top: 34px;
  border-top: 1px solid var(--line);
}

.footer-columns {
  width: min(1080px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 42px;
}

.footer-columns > div {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.footer-columns h2 {
  margin: 0 0 16px;
  color: rgba(17, 17, 17, 0.62);
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2.2vw, 2.25rem);
  font-weight: 400;
}

.footer-columns a {
  display: block;
  margin-top: 8px;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 0.96rem;
  font-weight: 700;
}

.footer-columns a:hover,
.footer-columns a:focus-visible {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.footer-brand {
  overflow: hidden;
  display: grid;
  grid-template-columns: auto auto;
  align-items: end;
  justify-content: center;
  gap: 28px;
  margin-top: 72px;
}

.footer-brand img {
  width: clamp(110px, 14vw, 190px);
  height: clamp(110px, 14vw, 190px);
  object-fit: contain;
  filter: contrast(1.2) saturate(0.8);
}

.footer-brand strong {
  color: var(--ink);
  font-family: var(--font-brand);
  font-size: clamp(4.2rem, 13.2vw, 11.2rem);
  line-height: 0.76;
  letter-spacing: -0.08em;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 42px;
}

.footer-bottom p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.footer-socials {
  display: flex;
  gap: 10px;
}

.footer-socials a {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  color: var(--surface-solid);
  background: var(--ink);
  transition: transform 180ms ease, background-color 180ms ease;
}

.footer-socials a:hover,
.footer-socials a:focus-visible {
  transform: translateY(-3px);
  background: var(--accent);
}

.footer-socials svg {
  width: 17px;
  height: 17px;
  fill: currentColor;
}

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition:
    opacity 700ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 700ms cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .voice-wave i {
    animation: none;
  }
}

@media (max-width: 1080px) {
  .hero__grid,
  .flow-showcase__inner,
  .feature-atlas__shell,
  .feature-chapter,
  .feature-board,
  .feature-section,
  .deliverable-layout,
  .dialogue-lab__inner,
  .dialogue-grid {
    grid-template-columns: 1fr;
  }

  .hero__grid {
    padding-top: 24px;
    padding-bottom: 24px;
    column-gap: 0;
  }

  .hero-copy {
    max-width: 100%;
    padding-top: 0;
  }

  .hero-stack {
    width: min(612px, 100%);
    justify-self: start;
    min-height: 686px;
  }

  .flow-showcase__inner {
    min-height: auto;
    padding: 56px;
  }

  .section-heading--process {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 18px;
  }

  .flow-stage {
    min-height: 560px;
  }

  .study-device {
    transform: translate(-50%, -48%);
  }

  .feature-board__hero {
    position: relative;
    top: auto;
    min-height: auto;
  }

  .feature-atlas__shell {
    min-height: auto;
  }

  .feature-atlas__map {
    min-height: 360px;
  }

  .feature-chapter:nth-of-type(even) {
    grid-template-columns: 1fr;
  }

  .feature-chapter:nth-of-type(even) .feature-chapter__copy,
  .feature-chapter:nth-of-type(even) > :not(.feature-chapter__copy) {
    order: initial;
  }

  .tutor-console__grid {
    grid-template-columns: 1fr;
  }

  .feature-section:nth-child(even) {
    grid-template-columns: 1fr;
  }

  .feature-section:nth-child(even) .feature-section__copy,
  .feature-section:nth-child(even) .feature-section__paper {
    order: initial;
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .site-header__inner {
    border-radius: 28px;
    flex-wrap: wrap;
    justify-content: center;
  }

  .main-nav {
    order: 3;
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
    gap: 14px 20px;
  }

  .header-actions {
    gap: 14px;
  }

  .hero {
    padding-top: 12px;
  }

  .hero__grid {
    min-height: auto;
    padding-top: 18px;
    row-gap: 42px;
  }

  .hero-copy h1 {
    max-width: 9ch;
    font-size: clamp(3rem, 12vw, 4.9rem);
  }

  .hero-metrics {
    grid-template-columns: 1fr;
  }

  .hero-stack {
    width: 100%;
    min-height: 720px;
  }

  .sheet--main {
    inset: 0 28px 0 0;
    transform: none;
  }

  .sheet--tilted {
    top: 18px;
    right: 0;
    width: 160px;
    transform: none;
  }

  .process-grid {
    grid-template-columns: 1fr;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .feature-atlas__shell {
    padding: 42px 28px;
    border-radius: 36px;
  }

  .feature-atlas__map {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .feature-atlas__map a,
  .feature-atlas__map a:nth-child(3n),
  .feature-atlas__map a:nth-child(4n + 1) {
    transform: none;
  }

  .feature-chapter {
    min-height: auto;
    padding: 32px;
    border-radius: 32px;
  }

  .feature-chapter h3 {
    max-width: 13ch;
  }

  .concept-board {
    min-height: 300px;
  }

  .footer-columns {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand {
    align-items: center;
    gap: 20px;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }

  .process-grid::before {
    display: none;
  }

  .paper-card:nth-child(2),
  .paper-card:nth-child(3) {
    margin-top: 0;
  }

  .flow-showcase__inner {
    border-radius: 36px;
    padding: 42px 28px;
  }

  .flow-showcase h2 {
    max-width: 13ch;
  }

  .flow-stage {
    min-height: 500px;
  }

  .study-device {
    left: 50%;
    width: min(440px, 100%);
    transform: translate(-50%, -48%);
  }
}

@media (max-width: 560px) {
  .site-header,
  .hero,
  .flow-showcase,
  .feature-atlas,
  .feature-story,
  .section,
  .closing,
  .site-footer {
    padding-left: 16px;
    padding-right: 16px;
  }

  .site-header {
    padding-top: 10px;
  }

  .site-header__inner {
    padding: 14px;
  }

  .header-actions {
    width: 100%;
    justify-content: space-between;
  }

  .button {
    width: 100%;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-metrics div {
    min-height: auto;
  }

  .sheet--main,
  .deliverable-sheet,
  .paper-card,
  .mini-card,
  .feature-section,
  .feature-section__paper,
  .dialogue-sheet,
  .closing__inner {
    padding: 20px;
  }

  .feature-section {
    min-height: auto;
    border-radius: 28px;
  }

  .feature-section__paper {
    min-height: 210px;
    border-radius: 22px;
  }

  .hero-copy__body {
    max-width: 100%;
  }

  .flow-showcase__inner {
    padding: 32px 18px;
    border-radius: 28px;
  }

  .flow-tabs {
    margin-bottom: 24px;
  }

  .feature-atlas__shell {
    padding: 28px 18px;
    border-radius: 28px;
  }

  .feature-atlas__intro h2,
  .feature-story__heading h2,
  .feature-chapter h3 {
    font-size: clamp(2.35rem, 12vw, 3.4rem);
  }

  .feature-atlas__map {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .feature-atlas__map a {
    min-height: 54px;
    font-size: 0.68rem;
  }

  .feature-atlas__map::before {
    display: none;
  }

  .feature-chapter {
    padding: 24px 18px;
    border-radius: 26px;
  }

  .feature-chapter__copy p:not(.chapter-label) {
    font-size: 0.96rem;
  }

  .concept-board {
    min-height: 260px;
  }

  .concept-board span {
    min-width: 92px;
    padding: 10px 12px;
    font-size: 0.78rem;
  }

  .concept-board span:nth-child(2) {
    transform: translate(-78px, -82px);
  }

  .concept-board span:nth-child(3) {
    transform: translate(82px, -72px);
  }

  .concept-board span:nth-child(4) {
    transform: translate(-76px, 82px);
  }

  .concept-board span:nth-child(5) {
    transform: translate(78px, 88px);
  }

  .card-theatre,
  .math-video {
    padding: 22px;
  }

  .timer-face,
  .exam-card {
    width: min(280px, 100%);
  }

  .export-stack span {
    min-width: 118px;
  }

  .tutor-console__grid {
    padding: 16px;
  }

  .tutor-console__header {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-columns {
    grid-template-columns: 1fr;
  }

  .footer-brand {
    display: block;
    margin-top: 54px;
  }

  .footer-brand strong {
    display: block;
    margin-top: 18px;
    font-size: clamp(4rem, 24vw, 7.5rem);
    line-height: 0.82;
  }

  .flow-showcase h2 {
    font-size: clamp(2.2rem, 12vw, 3.4rem);
  }

  .flow-stage {
    min-height: 470px;
  }

  .study-device {
    min-height: 420px;
    padding: 18px;
  }

  .study-device__bottom {
    grid-template-columns: 1fr;
  }

  .study-brief h3 {
    font-size: 1.65rem;
  }

  .sheet__columns {
    flex-direction: column;
  }

  .deliverable-sheet__body {
    grid-template-columns: 14px 1fr;
    gap: 14px;
  }

  .closing__inner {
    border-radius: 28px;
  }
}