:root {
  --ink: #121212;
  --blue: #0b54b9;
  --blue-soft: rgba(11, 84, 185, 0.12);
  --paper: #fbfbf8;
  --grid: rgba(78, 166, 224, 0.18);
  --grid-bold: rgba(78, 166, 224, 0.26);
  --soft: rgba(18, 18, 18, 0.66);
  --shadow: rgba(18, 18, 18, 0.12);
  --font: "Proxima Nova", "ProximaNova", "Helvetica Neue", Arial, sans-serif;
  --hand: "Segoe Print", "Bradley Hand ITC", "Marker Felt", "Chalkboard SE", cursive;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  font-family: var(--font);
  font-size: 18px;
  line-height: 1.35;
  background-color: var(--paper);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px),
    linear-gradient(var(--grid-bold) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-bold) 1px, transparent 1px);
  background-size: 20px 20px, 20px 20px, 100px 100px, 100px 100px;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  content: "";
  background: radial-gradient(circle at 48% 18%, rgba(255, 255, 255, 0.72), transparent 32rem);
}

a {
  color: inherit;
}

p,
small,
h1,
h2,
h3 {
  overflow-wrap: break-word;
}

svg {
  display: block;
}

.page-shell {
  display: grid;
  grid-template-columns: 330px minmax(0, 1fr);
  gap: 44px;
  width: min(1760px, calc(100% - 56px));
  min-height: calc(100vh - 56px);
  margin: 28px auto;
  padding: 42px 56px;
  border: 4px solid var(--ink);
  border-radius: 11px 8px 13px 7px;
  background: rgba(255, 255, 255, 0.28);
  box-shadow: 0 16px 40px var(--shadow);
}

.sidebar {
  position: relative;
  display: flex;
  min-width: 0;
  flex-direction: column;
  justify-content: flex-start;
  min-height: 850px;
  padding: 130px 0 36px;
}

.notebook-nav h2,
.section-heading h2,
.intro h2,
.applet-placeholder h2 {
  display: inline-block;
  margin: 0 0 20px;
  font-size: 34px;
  font-weight: 400;
  line-height: 1;
  text-decoration: underline;
  text-decoration-color: var(--ink);
  text-decoration-thickness: 3px;
  text-underline-offset: 7px;
}

.notebook-nav {
  display: grid;
  gap: 30px;
}

.index-section {
  display: grid;
  gap: 8px;
}

.index-section h3 {
  margin: 0 0 4px;
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
  text-transform: lowercase;
}

.index-section p {
  margin: 10px 0 0;
  color: var(--soft);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.index-section a {
  display: block;
  width: fit-content;
  color: var(--ink);
  font-size: 19px;
  line-height: 1.2;
  text-decoration-color: var(--blue);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.index-section a:hover,
.project-card:hover {
  background: rgba(255, 255, 255, 0.72);
  color: var(--blue);
}

.notebook-page {
  position: relative;
  min-width: 0;
  padding: 24px 0 0 64px;
  border-left: 3px dashed rgba(18, 18, 18, 0.32);
}

.hero {
  position: relative;
  min-height: 0;
  text-align: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--blue);
  font-size: 26px;
  line-height: 1.1;
}

.hero h1 {
  margin: 0;
  font-size: clamp(64px, 8vw, 102px);
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: 0;
}

.intro-block {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(430px, 1.18fr);
  gap: 30px;
  align-items: start;
  margin-top: 48px;
  text-align: left;
}

.intro {
  min-width: 0;
}

.intro p {
  margin: 0;
  font-size: 20px;
}

.applet-frame {
  min-width: 0;
}

.section-heading {
  margin: 10px 0 20px;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}

.project-card {
  display: flex;
  min-height: 360px;
  flex-direction: column;
  padding: 22px 22px 18px;
  color: inherit;
  text-decoration: none;
  border: 3px solid var(--ink);
  border-radius: 6px 4px 8px 5px;
  background: rgba(255, 255, 255, 0.32);
  transition: transform 160ms ease, background-color 160ms ease;
}

.project-card:nth-child(2n) {
  rotate: -0.35deg;
}

.project-card:nth-child(3n) {
  rotate: 0.45deg;
}

.thumbnail {
  display: grid;
  min-height: 140px;
  place-items: center;
  margin-bottom: 18px;
  border: 2px solid rgba(18, 18, 18, 0.74);
  background:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px),
    rgba(255, 255, 255, 0.42);
  background-size: 18px 18px;
}

.thumbnail svg {
  width: min(86%, 260px);
  height: 112px;
  fill: none;
  stroke: var(--ink);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 3;
}

.thumbnail img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  object-position: center;
  mix-blend-mode: multiply;
  opacity: 0.82;
}

.project-card h3 {
  margin: 0 0 10px;
  font-size: 31px;
  font-weight: 400;
  line-height: 1;
}

.project-card p {
  margin: 0;
  color: var(--soft);
  font-size: 23px;
  line-height: 1.1;
}

.project-arrow {
  margin-top: auto;
  align-self: end;
  font-size: 38px;
  line-height: 1;
}

.applet-placeholder {
  position: relative;
  min-height: 330px;
  min-width: 0;
  padding: 0;
  overflow: hidden;
  border: 3px solid var(--ink);
  border-radius: 8px 5px 7px 4px;
  background: #fff;
}

.drag-teaser {
  position: absolute;
  top: 14px;
  right: 18px;
  z-index: 1;
  margin: 0;
  color: var(--blue);
  font-family: var(--hand);
  font-size: 20px;
  line-height: 1;
  rotate: -4deg;
  pointer-events: none;
}

#diagonal-canvas {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 330px;
  cursor: grab;
  background: #fff;
}

.applet-caption {
  margin: 10px 4px 0;
  color: var(--soft);
  font-size: 18px;
  line-height: 1.2;
  text-align: center;
}

.belief-note {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 44px;
  padding-top: 28px;
  border-top: 3px dashed rgba(18, 18, 18, 0.28);
  color: var(--ink);
}

.belief-note svg {
  flex: 0 0 50px;
  fill: none;
  stroke: var(--blue);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 3;
}

.belief-note p {
  margin: 0;
  font-size: 25px;
}

.belief-note strong {
  color: var(--blue);
  font-weight: 400;
}

.page-footer {
  display: flex;
  justify-content: end;
  padding: 40px 0 12px;
}

.page-footer a {
  color: var(--blue);
  font-size: 24px;
  text-decoration-thickness: 3px;
  text-underline-offset: 6px;
}

.case-body::before {
  background: radial-gradient(circle at 62% 16%, rgba(255, 255, 255, 0.74), transparent 35rem);
}

.case-page {
  width: min(1380px, calc(100% - 56px));
  margin: 0 auto;
  padding: 36px 0 72px;
}

.case-back-link {
  display: inline-block;
  margin-bottom: 68px;
  color: var(--ink);
  font-size: 19px;
  line-height: 1.2;
  text-decoration-color: var(--blue);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.case-hero {
  max-width: 820px;
  margin: 0 0 82px;
}

.case-kicker,
.section-label {
  margin: 0 0 12px;
  color: var(--blue);
  font-family: var(--hand);
  font-size: 19px;
  line-height: 1.1;
  rotate: -1.5deg;
}

.case-hero h1 {
  margin: 0;
  font-size: clamp(48px, 7vw, 84px);
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: 0;
}

.case-subtitle {
  max-width: 680px;
  margin: 22px 0 0;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.05;
}

.case-section {
  margin: 0;
  padding-top: 8px;
}

.case-section h2 {
  max-width: 560px;
  margin: 0 0 16px;
  font-size: clamp(30px, 4vw, 46px);
  font-weight: 400;
  line-height: 1;
}

.case-section p {
  max-width: 560px;
  margin: 0;
  font-size: 22px;
  line-height: 1.28;
}

.scroll-case {
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(520px, 1.18fr);
  gap: clamp(36px, 6vw, 86px);
  align-items: start;
  margin-bottom: 76px;
}

.scroll-copy {
  display: grid;
  gap: 38vh;
  padding-bottom: 18vh;
}

.scroll-step {
  min-height: 58vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.classroom-sticky {
  position: relative;
  position: sticky;
  top: calc((100vh - 480px) / 2);
  min-height: 480px;
  margin: 0;
}

.projection-screen,
.teacher-laptop {
  position: absolute;
  border: 3px solid var(--ink);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 8px 24px rgba(18, 18, 18, 0.08);
}

.projection-screen {
  top: 0;
  right: 4%;
  width: min(40vw, 420px);
  aspect-ratio: 16 / 10;
  border-radius: 8px 5px 7px 4px;
  rotate: 0.5deg;
}

.teacher-laptop {
  top: 152px;
  left: 1%;
  width: min(34vw, 360px);
  aspect-ratio: 16 / 10;
  border-radius: 8px 5px 9px 4px;
  rotate: -0.7deg;
}

.screen-label {
  position: absolute;
  top: -28px;
  left: 10px;
  margin: 0;
  color: var(--blue);
  font-family: var(--hand);
  font-size: 18px;
  line-height: 1;
  rotate: -4deg;
}

.screen-stage,
.laptop-display {
  position: absolute;
  inset: 18px;
  overflow: hidden;
  background: #fff;
}

.screen-state,
.caption-state {
  opacity: 0;
  transition: opacity 240ms ease, transform 240ms ease;
  pointer-events: none;
}

.screen-state {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 18px;
  text-align: center;
  transform: translateY(8px);
}

.classroom-sticky[data-state="problem"] .state-problem,
.classroom-sticky[data-state="insight"] .state-insight,
.classroom-sticky[data-state="solution"] .state-solution,
.classroom-sticky[data-state="editing"] .state-editing,
.classroom-sticky[data-state="impact"] .state-impact {
  opacity: 1;
  transform: translateY(0);
}

.screen-state p,
.screen-state li {
  margin: 0;
  font-size: clamp(16px, 2vw, 24px);
  line-height: 1.12;
}

.screen-state ul {
  display: grid;
  gap: 6px;
  margin: 12px 0 0;
  padding-left: 22px;
  text-align: left;
}

.skipped-text {
  color: #d01818;
  rotate: -8deg;
}

.quad-interactive {
  display: grid;
  width: min(84%, 360px);
  place-items: center;
}

.quad-interactive svg {
  width: 100%;
  height: auto;
}

.laptop-quad {
  width: min(72%, 280px);
  transform: translateY(-2px);
}

.annotated-quad {
  width: min(72%, 320px);
  transform: translate(18px, -10px);
}

.laptop-quad.annotated-quad {
  width: min(58%, 240px);
  transform: translateY(-18px);
}

.annotated-quad svg {
  width: 86%;
}

.quad-grid-line {
  fill: none;
  stroke: rgba(78, 166, 224, 0.34);
  stroke-width: 1;
}

.quad-shape {
  fill: rgba(153, 51, 0, 0.1);
  stroke: #993300;
  stroke-linejoin: round;
  stroke-width: 3;
}

.quad-diagonal {
  fill: none;
  stroke-linecap: round;
  stroke-width: 3;
}

.quad-one {
  stroke: #004dff;
}

.quad-two {
  stroke: #ff00cc;
}

.quad-point {
  fill: #ff0000;
  stroke: #ff0000;
  stroke-width: 5;
}

.quad-arrow {
  fill: none;
  stroke: var(--blue);
  stroke-linecap: round;
  stroke-width: 2;
}

.annotation-arrow {
  fill: none;
  stroke: #7a62b5;
  stroke-linecap: round;
  stroke-width: 5;
}

.purple-note {
  display: inline-block;
  margin-top: -18px;
  padding: 5px 10px;
  color: #c02a9a;
  border: 2px solid #c02a9a;
  border-radius: 12px 7px 14px 8px;
  font-family: var(--hand);
  font-size: clamp(13px, 1.35vw, 18px);
  line-height: 1;
  rotate: -6deg;
}

.ppt-dot {
  display: grid;
  width: 74px;
  height: 74px;
  place-items: center;
  color: #fff;
  border-radius: 22px 28px 20px 24px;
  background: radial-gradient(circle at 65% 35%, #ff8a2a, #d42143 68%);
  font-size: 38px;
  font-weight: 700;
}

.mini-chart {
  display: flex;
  align-items: end;
  gap: 8px;
  width: min(170px, 58%);
  height: 90px;
  margin: 0 auto 12px;
  border-bottom: 2px solid rgba(18, 18, 18, 0.54);
  border-left: 2px solid rgba(18, 18, 18, 0.54);
}

.mini-chart span {
  display: block;
  flex: 1;
  border: 2px solid var(--ink);
  border-bottom: 0;
}

.mini-chart span:nth-child(1) {
  height: 52%;
  background: rgba(255, 127, 0, 0.18);
}

.mini-chart span:nth-child(2) {
  height: 78%;
  background: rgba(11, 84, 185, 0.12);
}

.mini-chart span:nth-child(3) {
  height: 38%;
  background: rgba(255, 0, 204, 0.14);
}

.pink-note {
  display: inline-block;
  padding: 8px 16px;
  color: #c02a9a;
  border: 2px solid #c02a9a;
  border-radius: 12px 7px 14px 8px;
  font-family: var(--hand);
  rotate: -10deg;
}

.drawn-arrow {
  position: absolute;
  left: 36%;
  top: 48%;
  width: 96px;
  height: 48px;
  border-top: 5px solid #7a62b5;
  border-radius: 50%;
  rotate: 16deg;
}

.drawn-arrow::after {
  position: absolute;
  right: 0;
  top: -9px;
  width: 16px;
  height: 16px;
  content: "";
  border-top: 4px solid #7a62b5;
  border-right: 4px solid #7a62b5;
  rotate: 45deg;
}

.screen-pull {
  position: absolute;
  left: 50%;
  bottom: -34px;
  width: 2px;
  height: 30px;
  background: var(--ink);
}

.screen-pull::after {
  position: absolute;
  left: -5px;
  bottom: -8px;
  width: 10px;
  height: 10px;
  content: "";
  border: 2px solid var(--ink);
  border-radius: 50%;
  background: var(--paper);
}

.laptop-base {
  position: absolute;
  left: -4%;
  right: -4%;
  top: calc(100% - 2px);
  height: 38px;
  background: transparent;
}

.laptop-base::before {
  position: absolute;
  inset: 0;
  content: "";
  border: 3px solid var(--ink);
  border-top-width: 2px;
  border-radius: 4px 5px 7px 6px;
  background: rgba(255, 255, 255, 0.72);
  transform: perspective(190px) rotateX(20deg) skewX(-3deg);
  transform-origin: top center;
}

.laptop-base::after {
  position: absolute;
  left: 44%;
  bottom: 14px;
  width: 48px;
  height: 8px;
  content: "";
  border: 2px solid var(--ink);
  border-radius: 50%;
  rotate: -4deg;
}

.students {
  position: absolute;
  right: 0;
  top: 304px;
  width: 310px;
  height: 112px;
}

.student {
  position: absolute;
  bottom: 0;
  width: 72px;
  height: 96px;
  --hand-rotate: -70deg;
  --hand-left: 58px;
  --hand-top: 52px;
}

.student::before {
  position: absolute;
  left: 20px;
  top: 0;
  width: 38px;
  height: 42px;
  content: "";
  border: 3px solid var(--ink);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.86);
}

.student::after {
  position: absolute;
  left: 8px;
  top: 44px;
  width: 62px;
  height: 52px;
  content: "";
  border-top: 3px solid var(--ink);
  border-left: 3px solid var(--ink);
  transform: skewY(16deg);
}

.student {
  pointer-events: none;
}

.student-one {
  --hand-rotate: -66deg;
}

.student-two {
  --hand-rotate: -74deg;
}

.student-three {
  --hand-rotate: -62deg;
}

.student-four {
  --hand-rotate: -72deg;
}

.raised-hand {
  position: absolute;
  left: var(--hand-left);
  top: var(--hand-top);
  display: none;
  width: 46px;
  height: 0;
  border-top: 3px solid var(--ink);
  transform: rotate(var(--hand-rotate));
  transform-origin: 0 50%;
}

.classroom-sticky[data-state="impact"] .raised-hand {
  display: block;
  animation: raised-arm-wiggle 1700ms ease-in-out infinite;
}

.classroom-sticky[data-state="impact"] .student-two .raised-hand {
  animation-delay: 120ms;
}

.classroom-sticky[data-state="impact"] .student-three .raised-hand {
  animation-delay: 240ms;
}

.classroom-sticky[data-state="impact"] .student-four .raised-hand {
  animation-delay: 360ms;
}

@keyframes raised-arm-wiggle {
  0%,
  100% {
    transform: rotate(var(--hand-rotate));
  }

  50% {
    transform: rotate(calc(var(--hand-rotate) + 8deg));
  }
}

.student-two {
  left: 98px;
  bottom: 10px;
  rotate: -8deg;
}

.student-three {
  left: 172px;
  bottom: 0;
  rotate: 5deg;
}

.student-four {
  left: 238px;
  bottom: 13px;
  rotate: -5deg;
}

.student-one {
  left: 14px;
  rotate: 8deg;
}

.classroom-sticky figcaption {
  position: absolute;
  left: 6%;
  bottom: 0;
  width: min(680px, 90%);
  min-height: 48px;
  color: var(--soft);
  font-size: 20px;
  line-height: 1.2;
}

.caption-state {
  position: absolute;
  inset: 0 auto auto 0;
}

.insight-section {
  max-width: 780px;
  padding: 28px 0 34px;
}

.insight-section blockquote {
  margin: 0 0 18px;
  font-size: clamp(42px, 6vw, 68px);
  font-weight: 400;
  line-height: 0.96;
}

.case-list,
.callout-list,
.pm-note ul {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.case-list li,
.callout-list li,
.pm-note li {
  position: relative;
  padding-left: 28px;
  font-size: 22px;
  line-height: 1.2;
}

.case-list li::before,
.callout-list li::before,
.pm-note li::before {
  position: absolute;
  left: 0;
  top: 0.05em;
  color: var(--blue);
  content: "+";
  font-family: var(--hand);
  font-size: 24px;
  line-height: 1;
}

.case-list + p {
  margin-top: 24px;
}

.pm-note {
  max-width: 820px;
  margin: 8px 0 58px;
  padding: 26px 28px;
  border: 3px solid var(--ink);
  border-radius: 6px 4px 8px 5px;
  background: rgba(255, 255, 255, 0.5);
  rotate: -0.2deg;
}

.pm-note dl {
  display: grid;
  gap: 22px;
  margin: 0;
}

.pm-note div {
  display: grid;
  gap: 5px;
}

.pm-note dt {
  color: var(--blue);
  font-size: 20px;
  font-weight: 700;
  line-height: 1;
}

.pm-note dd {
  margin: 0;
  font-size: 24px;
  line-height: 1.18;
}

.closing-line {
  max-width: 760px;
  margin: 0 0 24px;
  font-size: clamp(38px, 5vw, 62px);
  font-weight: 400;
  line-height: 0.98;
}

.kidlinks-page {
  width: min(1320px, calc(100% - 56px));
}

.kidlinks-hero {
  position: relative;
  max-width: 940px;
  min-height: 450px;
  margin-bottom: 18px;
  padding-bottom: 0;
}

.kidlinks-hero h1 {
  font-size: clamp(42px, 6vw, 78px);
}

.kidlinks-hero > * {
  position: relative;
  z-index: 1;
}

.kidlinks-hero::after {
  position: absolute;
  left: 220px;
  top: -40px;
  z-index: 0;
  width: 1040px;
  height: 590px;
  content: "";
  background-image: url("images/kidlinks-family-network.png");
  background-repeat: no-repeat;
  background-position: right top;
  background-size: contain;
  opacity: 0.68;
  mix-blend-mode: multiply;
  pointer-events: none;
  -webkit-mask-image:
    linear-gradient(to right, transparent 0%, rgb(0 0 0 / 0.48) 14%, #000 42%, rgb(0 0 0 / 0.72) 82%, transparent 100%),
    linear-gradient(to bottom, rgb(0 0 0 / 0.72) 0%, #000 26%, rgb(0 0 0 / 0.56) 76%, transparent 100%);
  mask-image:
    linear-gradient(to right, transparent 0%, rgb(0 0 0 / 0.48) 14%, #000 42%, rgb(0 0 0 / 0.72) 82%, transparent 100%),
    linear-gradient(to bottom, rgb(0 0 0 / 0.72) 0%, #000 26%, rgb(0 0 0 / 0.56) 76%, transparent 100%);
  -webkit-mask-composite: source-in;
  mask-composite: intersect;
}

.double-diamond {
  position: relative;
  width: 100%;
  max-width: 1120px;
  min-height: 540px;
  margin: 20px 0 72px;
  padding: 18px 0 0;
}

.diamond-sketch {
  width: min(100%, 1040px);
  height: auto;
  overflow: visible;
}

.diamond-outline,
.diamond-fold {
  fill: rgba(255, 255, 255, 0.18);
  stroke: var(--ink);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 4;
  vector-effect: non-scaling-stroke;
}

.diamond-outline:nth-of-type(1) {
  transform: rotate(-0.4deg);
  transform-origin: 220px 170px;
}

.diamond-outline:nth-of-type(2) {
  transform: rotate(0.35deg);
  transform-origin: 580px 170px;
}

.diamond-fold {
  fill: none;
  stroke: rgba(18, 18, 18, 0.34);
  stroke-dasharray: 8 10;
  stroke-width: 3;
}

.diamond-dot {
  fill: var(--blue);
  stroke: var(--paper);
  stroke-width: 3;
}

.diamond-labels {
  position: absolute;
  inset: 0 auto auto 0;
  width: min(100%, 1040px);
  min-height: 440px;
  pointer-events: none;
}

.diamond-phase {
  position: absolute;
  width: 180px;
  text-align: center;
}

.diamond-phase p {
  margin: 0 0 6px;
  color: var(--blue);
  font-family: var(--hand);
  font-size: 25px;
  line-height: 1;
}

.diamond-phase span {
  display: block;
  margin-top: 224px;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.12;
}

.diamond-discover {
  left: 70px;
  top: 158px;
}

.diamond-define {
  left: 260px;
  top: 158px;
}

.diamond-develop {
  left: 450px;
  top: 158px;
  width: 220px;
}

.diamond-deliver {
  left: 682px;
  top: 158px;
  width: 200px;
}

.kidlinks-study-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.92fr) minmax(340px, 0.78fr);
  gap: 62px 72px;
  align-items: center;
  margin-bottom: 64px;
}

.kidlinks-study-section {
  max-width: 640px;
}

.kidlinks-study-section h2 {
  margin: 0 0 16px;
  font-size: clamp(34px, 4vw, 52px);
  font-weight: 400;
  line-height: 1;
}

.kidlinks-study-section p {
  margin: 0 0 16px;
  font-size: 22px;
  line-height: 1.3;
}

.phone-mockup {
  justify-self: center;
  width: min(100%, 390px);
  margin: 0;
}

.phone-shell {
  position: relative;
  width: min(100%, 330px);
  margin: 0 auto;
  padding: 16px 14px 20px;
  border: 4px solid var(--ink);
  border-radius: 34px 30px 38px 32px;
  background: #111;
  box-shadow: 0 16px 34px rgba(18, 18, 18, 0.14);
}

.phone-status {
  width: 72px;
  height: 8px;
  margin: 0 auto 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.28);
}

.phone-screen {
  min-height: 548px;
  padding: 24px 18px;
  overflow: hidden;
  border-radius: 23px 20px 27px 21px;
  background:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px),
    #fbfbf8;
  background-size: 18px 18px;
}

.phone-title {
  margin: 0 0 16px;
  color: var(--ink);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
}

.phone-search,
.kid-card,
.quick-row span,
.list-row {
  border: 2px solid rgba(18, 18, 18, 0.82);
  background: rgba(255, 255, 255, 0.76);
}

.phone-search {
  margin-bottom: 16px;
  padding: 11px 12px;
  color: var(--soft);
  border-radius: 8px 6px 9px 7px;
  font-size: 14px;
  line-height: 1;
}

.kid-card {
  display: grid;
  gap: 5px;
  margin-bottom: 14px;
  padding: 18px;
  border-radius: 9px 6px 10px 7px;
}

.kid-card span {
  color: var(--blue);
  font-size: 34px;
  line-height: 1;
}

.kid-card small,
.list-row small {
  color: var(--soft);
  font-size: 14px;
  line-height: 1.1;
}

.quick-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 16px;
}

.quick-row span {
  padding: 10px 8px;
  border-radius: 8px 5px 9px 6px;
  color: var(--blue);
  font-family: var(--hand);
  font-size: 16px;
  line-height: 1;
  text-align: center;
}

.list-row {
  display: grid;
  gap: 3px;
  margin-bottom: 10px;
  padding: 13px 14px;
  border-radius: 8px 6px 10px 5px;
}

.list-row strong {
  font-size: 19px;
  line-height: 1;
}

.muted-row {
  border-style: dashed;
}

.phone-mockup figcaption {
  margin: 12px auto 0;
  max-width: 330px;
  color: var(--soft);
  font-size: 18px;
  line-height: 1.2;
  text-align: center;
}

.contact-screen {
  color: #f6f6f6;
  background:
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    #1b1b1d;
  background-size: 18px 18px;
}

.contact-nav {
  margin: 0 0 28px;
  color: #69a7ff;
  font-size: 17px;
  line-height: 1;
}

.contact-avatar {
  display: grid;
  width: 86px;
  height: 86px;
  place-items: center;
  margin: 0 auto 16px;
  color: #fff;
  border-radius: 50%;
  background: linear-gradient(145deg, #7a7a80, #424247);
  font-size: 44px;
  font-weight: 700;
}

.contact-screen h3 {
  max-width: 250px;
  margin: 0 auto 18px;
  font-size: 28px;
  font-weight: 700;
  line-height: 1.05;
  text-align: center;
}

.contact-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 18px;
}

.contact-actions span,
.contact-field {
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.08);
}

.contact-actions span {
  padding: 11px 4px;
  color: #69a7ff;
  border-radius: 9px 7px 10px 8px;
  font-size: 13px;
  line-height: 1;
  text-align: center;
}

.contact-field {
  display: grid;
  gap: 4px;
  margin-bottom: 10px;
  padding: 13px 14px;
  border-radius: 10px 8px 11px 9px;
}

.contact-field small {
  color: rgba(255, 255, 255, 0.58);
  font-size: 12px;
  line-height: 1;
}

.contact-field span {
  color: #fff;
  font-size: 17px;
  line-height: 1.18;
}

.contact-note {
  border-style: dashed;
}

.mockup-pair {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: repeat(3, minmax(260px, 1fr));
  gap: 34px;
  align-items: start;
  width: min(100%, 1140px);
  margin: -14px 0 0;
}

.graph-screen {
  position: relative;
}

.tag-zone {
  position: absolute;
  display: grid;
  place-items: center;
  color: var(--blue);
  border: 2px dashed rgba(11, 84, 185, 0.55);
  border-radius: 999px;
  font-family: var(--hand);
  font-size: 17px;
  line-height: 1;
}

.school-zone {
  left: 30px;
  top: 56px;
  width: 132px;
  height: 138px;
  rotate: -10deg;
}

.play-zone {
  right: 20px;
  top: 56px;
  width: 116px;
  height: 124px;
  rotate: 8deg;
}

.sports-zone {
  left: 42px;
  bottom: 42px;
  width: 184px;
  height: 132px;
  rotate: -2deg;
}

.network-svg {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 390px;
  margin-top: 6px;
  fill: none;
  stroke: var(--ink);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 3;
}

.network-svg .node {
  fill: #fff;
}

.network-svg .child-node {
  fill: rgba(11, 84, 185, 0.15);
  stroke: var(--blue);
}

.network-svg .friend-node {
  fill: rgba(255, 127, 0, 0.16);
  stroke: #993300;
}

.network-svg .unknown-node {
  stroke-dasharray: 5 5;
}

.network-svg text {
  fill: var(--ink);
  stroke: none;
  font-family: var(--font);
  font-size: 13px;
  font-weight: 700;
  text-anchor: middle;
}

.parent-screen h3 {
  margin: 18px 0 8px;
  color: var(--ink);
  font-size: 36px;
  font-weight: 700;
  line-height: 0.95;
}

.breadcrumb {
  display: inline-block;
  margin: 0;
  color: var(--blue);
  border-bottom: 2px solid rgba(11, 84, 185, 0.42);
  font-size: 15px;
  line-height: 1.15;
}

.relationship-note {
  margin: 0 0 18px;
  color: var(--soft);
  font-size: 18px;
  line-height: 1.18;
}

.parent-summary {
  display: grid;
  gap: 5px;
  margin-bottom: 12px;
  padding: 14px 15px;
  border: 2px solid rgba(18, 18, 18, 0.82);
  border-radius: 9px 6px 10px 7px;
  background: rgba(255, 255, 255, 0.76);
}

.parent-summary small {
  color: var(--blue);
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
  text-transform: lowercase;
}

.parent-summary span {
  font-size: 18px;
  line-height: 1.15;
}

.handoff-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 54px;
  margin-top: 24px;
  padding: 12px 16px;
  color: #fff;
  border-radius: 15px 13px 17px 14px;
  background: #007aff;
  font-size: 19px;
  font-weight: 700;
  line-height: 1;
  text-align: center;
  text-decoration: none;
  box-shadow: 0 7px 18px rgba(0, 122, 255, 0.22);
}

.contacts-icon {
  position: relative;
  width: 28px;
  height: 28px;
  border-radius: 7px;
  background: linear-gradient(145deg, #5dd97d, #1aa35a);
}

.contacts-icon::before,
.contacts-icon::after {
  position: absolute;
  content: "";
  background: rgba(255, 255, 255, 0.92);
}

.contacts-icon::before {
  left: 9px;
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.contacts-icon::after {
  left: 6px;
  right: 6px;
  bottom: 6px;
  height: 8px;
  border-radius: 999px 999px 5px 5px;
}

.deliver-section {
  grid-column: 1 / -1;
  max-width: 820px;
}

.creator-workflow {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  gap: 12px;
  align-items: center;
  width: min(100%, 1060px);
  margin: 34px 0 0;
}

.workflow-step {
  display: grid;
  min-height: 198px;
  align-content: start;
  gap: 12px;
  padding: 16px 14px 14px;
  border: 3px solid var(--ink);
  border-radius: 7px 5px 8px 6px;
  background: rgba(255, 255, 255, 0.46);
}

.workflow-step:nth-child(4n + 1) {
  rotate: -0.45deg;
}

.workflow-step:nth-child(4n + 3) {
  rotate: 0.38deg;
}

.workflow-step p {
  margin: 0;
  color: var(--blue);
  font-family: var(--hand);
  font-size: 20px;
  line-height: 1;
}

.workflow-step svg {
  width: 100%;
  height: auto;
  fill: none;
  stroke: var(--ink);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 4;
}

.workflow-brand-icon {
  align-self: center;
  justify-self: center;
  width: min(92px, 72%);
  height: auto;
  margin-top: 18px;
  filter: drop-shadow(0 1px 0 rgba(18, 18, 18, 0.14));
}

.github-icon {
  width: min(98px, 76%);
}

.workflow-scribble,
.workflow-code,
.workflow-branch {
  stroke: var(--blue);
}

.workflow-dot {
  fill: var(--blue);
  stroke: var(--blue);
}

.workflow-arrow {
  color: var(--blue);
  font-family: var(--hand);
  font-size: 32px;
  line-height: 1;
}

.kidlinks-principles {
  grid-column: 1 / -1;
  width: min(100%, 1120px);
  max-width: 1120px;
  margin: -20px 0 -12px;
}

.thumbnail .algebuds-card-image {
  object-position: 52% 36%;
  mix-blend-mode: normal;
  opacity: 1;
}

.algebuds-page {
  width: min(1280px, calc(100% - 56px));
}

.algebuds-hero {
  display: grid;
  grid-template-columns: minmax(320px, 0.84fr) minmax(460px, 1.16fr);
  gap: clamp(36px, 6vw, 78px);
  align-items: start;
  max-width: none;
  margin-bottom: 70px;
}

.algebuds-hero-copy {
  max-width: 650px;
}

.algebuds-paper {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(34px, 5vw, 72px);
  align-items: start;
  margin-bottom: 70px;
}

.algebuds-section {
  padding-top: 0;
}

.algebuds-section h2 {
  max-width: 740px;
}

.algebuds-section p:not(.section-label) {
  max-width: 740px;
}

.algebuds-section p + p {
  margin-top: 18px;
}

.algebuds-section code {
  padding: 0 4px;
  border-bottom: 2px solid rgba(0, 77, 255, 0.24);
  color: var(--blue);
  font-family: inherit;
}

.logo-command {
  display: inline;
  margin: 0;
  padding: 0 2px;
  color: var(--blue);
  font: inherit;
  line-height: inherit;
  text-align: left;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.logo-command:hover,
.logo-command:focus-visible {
  color: #d01818;
}

.logo-command:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}

.algebuds-section sup {
  font-family: var(--hand);
  font-size: 0.62em;
  line-height: 0;
}

.algebuds-section sup a {
  color: var(--blue);
  text-decoration: none;
}

.algebuds-shot,
.logo-writer,
.algebuds-gif-frame {
  min-width: 0;
  margin: 0;
}

.algebuds-shot img,
.algebuds-gif-frame img {
  display: block;
  width: 100%;
  height: auto;
  border: 4px solid var(--ink);
  border-radius: 8px 5px 9px 6px;
  background: #fff;
  box-shadow: 0 14px 30px rgba(18, 18, 18, 0.12);
}

.algebuds-hero-shot img {
  aspect-ratio: 971 / 661;
  object-fit: cover;
  object-position: center top;
}

.logo-writer {
  align-self: center;
  width: min(100%, 500px);
  padding: 12px;
  border: 4px solid #111;
  border-radius: 0;
  background: #111;
  box-shadow: 8px 8px 0 rgba(18, 18, 18, 0.18);
}

.logo-writer-canvas {
  display: block;
  width: 100%;
  aspect-ratio: 540 / 300;
  border: 3px solid #7cff80;
  border-radius: 0;
  background: #071f0f;
  image-rendering: pixelated;
  shape-rendering: crispEdges;
}

.logo-line {
  fill: none;
  stroke: #7cff80;
  stroke-width: 5;
  stroke-linecap: square;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  filter: drop-shadow(0 0 4px rgba(124, 255, 128, 0.58));
}

.logo-line-short {
  transition: stroke-dashoffset 780ms ease;
}

.logo-line-long {
  transition: stroke-dashoffset 1300ms ease;
}

.logo-writer.is-short .logo-line-short,
.logo-writer.is-long .logo-line-long {
  stroke-dashoffset: 0;
}

.logo-turtle {
  transform-box: view-box;
  transform-origin: 0 0;
}

.logo-turtle-one {
  transform: translate(78px, 104px) rotate(90deg) scale(0.78);
  transition: transform 780ms ease;
}

.logo-writer.is-short .logo-turtle-one {
  transform: translate(178px, 104px) rotate(90deg) scale(0.78);
}

.logo-turtle-two {
  opacity: 0;
  transform: translate(78px, 216px) rotate(90deg) scale(0.78);
  transition: opacity 120ms ease, transform 1300ms ease;
}

.logo-writer.is-long .logo-turtle-two {
  opacity: 1;
  transform: translate(478px, 216px) rotate(90deg) scale(0.78);
}

.turtle-shell {
  fill: #7cff80;
  stroke: #7cff80;
  stroke-width: 4;
  stroke-linejoin: round;
  filter: drop-shadow(0 0 4px rgba(124, 255, 128, 0.72));
}

.turtle-limbs {
  fill: none;
  stroke: #7cff80;
  stroke-width: 6;
  stroke-linecap: square;
  stroke-linejoin: miter;
}

.algebuds-shot figcaption,
.logo-writer figcaption,
.algebuds-gif-frame figcaption {
  max-width: 760px;
  margin-top: 12px;
  color: var(--soft);
  font-size: 18px;
  line-height: 1.22;
}

.algebuds-wide-section {
  width: min(100%, 1120px);
  margin: 4px auto 76px;
}

.algebuds-loop {
  margin: 0;
  padding: 22px 24px 26px;
  border: 3px solid rgba(18, 18, 18, 0.78);
  border-radius: 7px 5px 8px 6px;
  background: rgba(255, 255, 255, 0.34);
}

.algebuds-loop ol {
  margin: 0;
  padding-left: 24px;
}

.algebuds-loop li {
  margin: 0 0 16px;
  font-size: 21px;
  line-height: 1.25;
}

.algebuds-loop li:last-child {
  margin-bottom: 0;
}

.algebuds-design {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 34px;
  margin: 76px 0;
}

.algebuds-design-intro {
  grid-column: 1 / -1;
  max-width: 840px;
}

.algebuds-design-intro h2,
.algebuds-history-copy h2,
.algebuds-future h2 {
  margin: 0;
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 400;
  line-height: 1;
}

.algebuds-decision-card {
  padding: 26px 26px 28px;
  border: 3px solid rgba(18, 18, 18, 0.76);
  border-radius: 8px 5px 7px 6px;
  background: rgba(255, 255, 255, 0.28);
}

.algebuds-decision-card h3 {
  margin: 0 0 18px;
  color: var(--blue);
  font-family: var(--hand);
  font-size: 25px;
  font-weight: 400;
  line-height: 1;
}

.algebuds-decision-card h4 {
  margin: 22px 0 6px;
  font-size: 24px;
  font-weight: 400;
  line-height: 1.05;
}

.algebuds-decision-card h4:first-of-type {
  margin-top: 0;
}

.algebuds-decision-card p {
  margin: 0;
  color: var(--soft);
  font-size: 20px;
  line-height: 1.28;
}

.algebuds-future {
  display: block;
  max-width: 920px;
}

.algebuds-history {
  display: grid;
  grid-template-columns: minmax(320px, 0.78fr) minmax(420px, 1.22fr);
  gap: clamp(32px, 5vw, 68px);
  align-items: start;
  margin: 78px 0;
  padding-top: 44px;
  border-top: 3px dashed rgba(18, 18, 18, 0.28);
}

.algebuds-history-copy p:not(.section-label) {
  max-width: 560px;
  margin: 18px 0 0;
  font-size: 22px;
  line-height: 1.28;
}

.algebuds-link-grid {
  display: grid;
  gap: 14px;
  max-width: 430px;
  margin-top: 26px;
}

.algebuds-link-grid a {
  color: var(--blue);
  font-size: 22px;
  line-height: 1.1;
  text-decoration-thickness: 3px;
  text-underline-offset: 6px;
}

.algebuds-references {
  max-width: 940px;
  padding-top: 40px;
  border-top: 3px solid rgba(18, 18, 18, 0.16);
}

.algebuds-references ol {
  margin: 0;
  padding-left: 24px;
}

.algebuds-references li {
  margin: 0 0 14px;
  color: var(--soft);
  font-size: 18px;
  line-height: 1.32;
}

.algebuds-references a {
  color: var(--blue);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

@media (max-width: 1180px) {
  .page-shell {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 34px;
  }

  .sidebar {
    min-height: 0;
    padding: 0;
  }

  .notebook-nav {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .notebook-nav h2 {
    display: none;
  }

  .notebook-page {
    padding-left: 0;
    border-left: 0;
  }

  .hero {
    min-height: 0;
  }

  .intro {
    margin: 0 auto;
  }

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

  .intro-block,
  .applet-placeholder {
    grid-template-columns: 1fr;
  }

  .case-page {
    width: min(100% - 44px, 960px);
  }

  .scroll-case {
    grid-template-columns: 1fr;
    gap: 38px;
  }

  .classroom-sticky {
    order: -1;
    top: 10px;
    min-height: 500px;
    z-index: 2;
  }

  .scroll-copy {
    gap: 30vh;
  }

  .scroll-step {
    min-height: 54vh;
  }

  .projection-screen {
    width: min(62vw, 420px);
  }

  .teacher-laptop {
    width: min(54vw, 360px);
  }

  .kidlinks-study-grid {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .phone-mockup {
    justify-self: start;
  }

  .mockup-pair {
    grid-template-columns: 1fr;
    width: min(100%, 390px);
  }

  .creator-workflow {
    grid-template-columns: 1fr;
    gap: 10px;
    width: min(100%, 390px);
  }

  .workflow-arrow {
    justify-self: center;
    rotate: 90deg;
  }

  .algebuds-hero,
  .algebuds-paper,
  .algebuds-design,
  .algebuds-history {
    grid-template-columns: 1fr;
  }

  .algebuds-hero-shot {
    max-width: 760px;
  }
}

@media (max-width: 900px) {
  .case-hero h1 {
    max-width: 320px;
    font-size: 35px;
  }

  .case-subtitle {
    max-width: 340px;
  }

  .diamond-labels,
  .double-diamond,
  .kidlinks-study-section,
  .mockup-pair,
  .creator-workflow,
  .deliver-section,
  .kidlinks-principles {
    max-width: 360px;
  }

  .double-diamond {
    min-height: 620px;
    margin: 8px 0 58px;
  }

  .diamond-sketch {
    width: 360px;
    transform: translateX(-18px);
  }

  .diamond-labels {
    position: relative;
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    min-height: 0;
    margin-top: -18px;
  }

  .diamond-phase {
    position: relative;
    left: auto;
    top: auto;
    width: 100%;
    padding: 14px 16px;
    border: 3px solid var(--ink);
    border-radius: 6px 4px 8px 5px;
    background: rgba(255, 255, 255, 0.44);
    text-align: left;
  }

  .diamond-phase:nth-child(2n) {
    rotate: -0.4deg;
  }

  .diamond-phase p {
    font-size: 24px;
  }

  .diamond-phase span {
    margin-top: 0;
    font-size: 16px;
  }
}

@media (max-width: 760px) {
  body {
    font-size: 20px;
  }

  .page-shell {
    width: min(calc(100vw - 24px), 720px);
    max-width: calc(100vw - 24px);
    min-height: calc(100vh - 24px);
    margin: 12px auto;
    padding: 22px;
    border-width: 3px;
  }

  .notebook-nav {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .hero h1 {
    font-size: 58px;
  }

  .intro p {
    font-size: 23px;
  }

  .section-heading {
    display: block;
  }

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

  .project-card {
    min-height: 320px;
  }

  .applet-placeholder {
    padding: 20px;
  }

  .belief-note {
    align-items: flex-start;
  }

  .page-footer {
    justify-content: start;
  }

  .case-page {
    width: calc(100vw - 24px);
    max-width: 720px;
    padding-top: 22px;
  }

  .case-back-link {
    margin-bottom: 42px;
  }

  .case-hero {
    margin-bottom: 48px;
  }

  .case-hero,
  .pm-note {
    width: 100%;
    max-width: 100%;
  }

  .case-section h2,
  .case-section p,
  .case-subtitle {
    width: 340px;
    max-width: calc(100vw - 48px);
  }

  .case-hero h1 {
    max-width: 260px;
    font-size: 34px;
  }

  .kidlinks-hero h1 {
    max-width: 340px;
  }

  .kidlinks-hero {
    min-height: 500px;
    margin-bottom: 10px;
    padding-bottom: 0;
  }

  .kidlinks-hero::after {
    left: 92px;
    top: 54px;
    width: 440px;
    height: 280px;
    opacity: 0.5;
  }

  .case-section p,
  .case-list li,
  .callout-list li,
  .pm-note li,
  .pm-note dd {
    font-size: 21px;
  }

  .case-subtitle {
    font-size: 22px;
  }

  .case-section {
    margin-bottom: 0;
  }

  .pm-note {
    padding: 22px;
  }

  .scroll-case {
    gap: 28px;
  }

  .classroom-sticky {
    top: 0;
    min-height: 430px;
    margin: 0 -2px;
  }

  .projection-screen {
    top: 0;
    left: 180px;
    right: auto;
    width: 160px;
    border-width: 2px;
  }

  .teacher-laptop {
    top: 142px;
    left: 0;
    width: 226px;
    border-width: 2px;
  }

  .screen-stage,
  .laptop-display {
    inset: 10px;
  }

  .screen-label {
    top: -22px;
    font-size: 14px;
  }

  .screen-state {
    padding: 10px;
  }

  .screen-state p,
  .screen-state li {
    font-size: 13px;
  }

  .ppt-dot {
    width: 52px;
    height: 52px;
    border-radius: 16px 19px 14px 17px;
    font-size: 27px;
  }

  .mini-chart {
    height: 56px;
    gap: 5px;
  }

  .pink-note {
    padding: 5px 9px;
  }

  .drawn-arrow {
    width: 58px;
    height: 30px;
    border-top-width: 4px;
  }

  .laptop-base {
    top: calc(100% - 1px);
    height: 42px;
  }

  .laptop-base::before {
    border-width: 2px;
  }

  .students {
    top: 232px;
    right: 8px;
    width: 220px;
    height: 104px;
  }

  .student {
    width: 48px;
    height: 70px;
  }

  .student::before {
    left: 13px;
    width: 26px;
    height: 29px;
    border-width: 2px;
  }

  .student::after {
    left: 5px;
    top: 32px;
    width: 42px;
    height: 38px;
    border-top-width: 2px;
    border-left-width: 2px;
  }

  .student-two {
    left: 40px;
  }

  .student-three {
    left: 80px;
  }

  .student-four {
    left: 120px;
  }

  .classroom-sticky figcaption {
    left: 0;
    bottom: 0;
    width: 100%;
    font-size: 16px;
  }

  .scroll-copy {
    gap: 20vh;
  }

  .scroll-step {
    min-height: 58vh;
  }

  .kidlinks-page {
    width: calc(100vw - 24px);
    max-width: 720px;
  }

  .kidlinks-study-section h2 {
    font-size: 32px;
  }

  .kidlinks-study-section p {
    font-size: 21px;
  }

  .phone-shell {
    width: min(100%, 310px);
  }

  .phone-screen {
    min-height: 500px;
    padding: 22px 16px;
  }

  .network-svg {
    height: 350px;
  }

  .algebuds-page {
    width: calc(100vw - 24px);
    max-width: 720px;
  }

  .algebuds-hero {
    gap: 30px;
    margin-bottom: 40px;
  }

  .algebuds-hero h1 {
    max-width: 620px;
  }

  .algebuds-paper,
  .algebuds-design,
  .algebuds-history {
    gap: 30px;
  }

  .algebuds-history {
    margin-top: 48px;
    padding-top: 32px;
  }

  .algebuds-section p:not(.section-label),
  .algebuds-history-copy p:not(.section-label) {
    font-size: 21px;
  }

  .algebuds-decision-card {
    padding: 22px 20px 24px;
  }

  .algebuds-decision-card p,
  .algebuds-loop li,
  .algebuds-link-grid a {
    font-size: 20px;
  }
}