:root {
  --paper: #f4f6f1;
  --paper-strong: #ffffff;
  --ink: #080b09;
  --muted: #525b54;
  --grid: #cbd3cc;
  --line: #bac4bb;
  --green: #78e84e;
  --green-deep: #47b829;
  --green-soft: #dfffce;
  --shadow: 0 24px 70px rgba(8, 11, 9, 0.11);
  --radius: 18px;
  --container: min(1380px, calc(100vw - 80px));
  --hero-scroll: 0;
  --hero-x: 0;
  --hero-y: 0;
}

.title-line {
  display: block;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--paper);
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 15% 0%, rgba(120, 232, 78, 0.08), transparent 24rem),
    var(--paper);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", sans-serif;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.18;
  z-index: 20;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.08'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}

button,
input,
select,
textarea {
  font: inherit;
}

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

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

button {
  color: inherit;
}

img {
  max-width: 100%;
}

.no-break {
  white-space: nowrap;
}

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

:focus-visible {
  outline: 3px solid var(--green-deep);
  outline-offset: 4px;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  height: 96px;
  padding: 0 max(36px, calc((100vw - 1440px) / 2));
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 24px;
  background: rgba(244, 246, 241, 0.92);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(18px);
  transition: height 240ms ease, border-color 240ms ease, box-shadow 240ms ease;
}

.site-header.scrolled,
.site-header.inner {
  height: 78px;
  border-color: rgba(8, 11, 9, 0.12);
  box-shadow: 0 12px 34px rgba(8, 11, 9, 0.06);
}

.brand {
  display: inline-flex;
  align-items: center;
  width: 196px;
}

.brand img {
  width: 100%;
  height: auto;
  display: block;
}

.main-nav {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: clamp(28px, 4vw, 64px);
}

.main-nav a {
  position: relative;
  padding: 14px 0;
  font-size: 15px;
  font-weight: 650;
  letter-spacing: 0.02em;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 7px;
  height: 2px;
  background: var(--green-deep);
  transition: right 220ms ease;
}

.main-nav a:hover::after,
.main-nav a:focus-visible::after {
  right: 0;
}

.ghost-btn,
.primary-btn,
.sync-cta {
  border: 1px solid var(--ink);
  border-radius: 999px;
  cursor: pointer;
  font-weight: 800;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.ghost-btn {
  justify-self: end;
  min-width: 112px;
  height: 52px;
  background: var(--ink);
  color: var(--green);
}

.ghost-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(8, 11, 9, 0.18);
}

.primary-btn {
  min-width: 190px;
  min-height: 60px;
  padding: 0 30px;
  border-color: var(--ink);
  background: var(--green);
  box-shadow: 7px 7px 0 var(--ink);
  font-size: 18px;
}

.primary-btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 10px 10px 0 var(--ink);
}

.hero {
  position: relative;
  min-height: max(760px, 100svh);
  overflow: hidden;
  isolation: isolate;
  display: grid;
  place-items: start center;
  padding: clamp(145px, 16vh, 178px) 24px 100px;
  background: var(--paper);
  border-bottom: 1px solid var(--ink);
}

.hero-grid {
  position: absolute;
  inset: 96px 0 42px;
  z-index: -2;
  background-image: radial-gradient(circle, rgba(8, 11, 9, 0.38) 0.8px, transparent 0.9px);
  background-size: 14px 14px;
  mask-image: linear-gradient(to bottom, black 0%, rgba(0, 0, 0, 0.86) 72%, transparent 100%);
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  border: 1px solid rgba(71, 184, 41, 0.32);
  border-radius: 50%;
  pointer-events: none;
}

.hero::before {
  width: min(38vw, 580px);
  aspect-ratio: 1;
  left: 50%;
  bottom: -18%;
  transform: translateX(-50%) scale(calc(0.94 + var(--hero-scroll) * 0.12));
  box-shadow:
    0 0 0 70px rgba(120, 232, 78, 0.025),
    0 0 0 140px rgba(120, 232, 78, 0.018);
}

.hero::after {
  width: 92px;
  aspect-ratio: 1;
  left: calc(50% - 46px);
  bottom: 18.5%;
  background: radial-gradient(circle, rgba(120, 232, 78, 0.32), transparent 65%);
  transform: scale(calc(0.78 + var(--hero-scroll) * 0.3));
}

.ai-field {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.92;
}

.hero-copy {
  position: relative;
  z-index: 4;
  width: min(1180px, 92vw);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-kicker,
.section-title > span,
.section-head > span,
.sync-kicker,
.page-hero > span:first-child,
.sync-section-head > span,
.teacher-grid span,
.dashboard-grid > article > span {
  font-family: Consolas, "SFMono-Regular", monospace;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 15px;
  border: 1px solid var(--ink);
  background: var(--paper-strong);
  box-shadow: 4px 4px 0 var(--green);
  opacity: 0;
  animation: hero-rise 650ms 80ms ease forwards;
}

.hero h1 {
  margin: 20px 0 14px;
  font-family: "Arial Black", "Microsoft YaHei", sans-serif;
  font-size: clamp(48px, 5.35vw, 94px);
  font-weight: 950;
  line-height: 1.01;
  letter-spacing: -0.065em;
  text-wrap: balance;
}

.hero h1 span {
  display: block;
  white-space: nowrap;
  opacity: 0;
  transform: translateY(34px);
  animation: hero-rise 760ms cubic-bezier(0.2, 0.7, 0.2, 1) forwards;
}

.hero h1 span:first-child {
  font-size: 1em;
  letter-spacing: inherit;
  animation-delay: 150ms;
}

.hero h1 span:last-child {
  animation-delay: 230ms;
}

.hero-copy > p {
  max-width: 760px;
  margin: 0;
  color: #303630;
  font-size: clamp(16px, 1.35vw, 21px);
  line-height: 1.75;
  opacity: 0;
  animation: hero-rise 680ms 360ms ease forwards;
}

.hero-actions {
  margin-top: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
  opacity: 0;
  animation: hero-rise 680ms 450ms ease forwards;
}

.hero-detail-link,
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 0 9px;
  border: 0;
  border-bottom: 2px solid var(--ink);
  background: transparent;
  cursor: pointer;
  font-weight: 800;
}

.hero-detail-link::after,
.text-link::after {
  content: "↗";
  color: var(--green-deep);
  font-size: 1.2em;
}

.hero-detail-link:hover,
.text-link:hover {
  color: var(--green-deep);
}

.hero-readout {
  position: absolute;
  z-index: 3;
  top: 31%;
  display: grid;
  gap: 5px;
  font-family: Consolas, "SFMono-Regular", monospace;
}

.hero-readout span {
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.14em;
}

.hero-readout b {
  font-size: 13px;
  letter-spacing: 0.08em;
}

.hero-readout-left {
  left: max(28px, calc((100vw - 1420px) / 2));
}

.hero-readout-right {
  right: max(28px, calc((100vw - 1420px) / 2));
  text-align: right;
}

.hero-hands {
  position: absolute;
  inset: auto 0 42px;
  height: 42%;
  z-index: 2;
  pointer-events: none;
}

.hero-hands img {
  position: absolute;
  bottom: -3%;
  width: clamp(620px, 58vw, 950px);
  max-width: none;
  will-change: transform;
  filter: contrast(1.06);
}

.robot-hand {
  left: -2vw;
  transform-origin: left bottom;
  transform:
    translate3d(
      calc(var(--hero-scroll) * -9vw + var(--hero-x) * 5px),
      calc(var(--hero-y) * 3px),
      0
    )
    rotate(calc(var(--hero-scroll) * -1.2deg));
}

.human-hand {
  right: -5vw;
  transform-origin: right bottom;
  transform:
    translate3d(
      calc(var(--hero-scroll) * 9vw + var(--hero-x) * -5px),
      calc(var(--hero-y) * -3px),
      0
    )
    rotate(calc(var(--hero-scroll) * 1.2deg));
}

.contact-point {
  position: absolute;
  left: 50%;
  bottom: 31%;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--green);
  box-shadow:
    0 0 0 8px rgba(120, 232, 78, 0.18),
    0 0 34px 14px rgba(120, 232, 78, 0.44);
  transform: translate(-50%, -50%) scale(calc(0.8 + var(--hero-scroll) * 0.3));
  animation: contact-pulse 2.8s ease-in-out infinite;
}

.hero-track {
  position: absolute;
  z-index: 5;
  left: 0;
  right: 0;
  bottom: 0;
  height: 42px;
  padding: 0 max(24px, calc((100vw - 1300px) / 2));
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  align-items: center;
  gap: 18px;
  background: var(--ink);
  color: #fff;
  font-family: Consolas, "Microsoft YaHei", monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-align: center;
}

@keyframes hero-rise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes contact-pulse {
  0%,
  100% {
    box-shadow:
      0 0 0 7px rgba(120, 232, 78, 0.16),
      0 0 28px 10px rgba(120, 232, 78, 0.34);
  }
  50% {
    box-shadow:
      0 0 0 13px rgba(120, 232, 78, 0.08),
      0 0 42px 18px rgba(120, 232, 78, 0.48);
  }
}

.section,
.sync-section {
  width: var(--container);
  margin: 0 auto;
  padding: clamp(90px, 10vw, 148px) 0;
}

.section.split {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1.45fr);
  gap: clamp(58px, 8vw, 132px);
  align-items: start;
}

.section-title {
  position: sticky;
  top: 118px;
}

.section-title h2,
.section-head h2,
.sync-section-head h2,
.whitelist-entry-card h2,
.page-hero h1,
.sync-hero h1,
.whitelist-note h2 {
  margin: 14px 0 0;
  font-family: "Arial Black", "Microsoft YaHei", sans-serif;
  font-weight: 950;
  letter-spacing: -0.055em;
  line-height: 1.04;
}

.section-title h2,
.section-head h2,
.sync-section-head h2,
.whitelist-entry-card h2,
.whitelist-note h2 {
  font-size: clamp(42px, 4.4vw, 74px);
}

.section-title > span,
.section-head > span,
.sync-section-head > span,
.page-hero > span:first-child {
  color: var(--green-deep);
}

.award-callout {
  margin-top: 32px;
  padding: 19px 20px;
  display: grid;
  gap: 5px;
  background: var(--green-soft);
  border-left: 5px solid var(--green-deep);
}

.award-callout span {
  color: var(--muted);
  font-size: 12px;
}

.award-callout strong {
  font-size: 15px;
}

.section-body > p,
.page-hero > p,
.sync-hero > p,
.sync-section-head > p,
.whitelist-note p {
  color: var(--muted);
  font-size: clamp(16px, 1.35vw, 19px);
  line-height: 1.95;
}

.section-body > p {
  max-width: 800px;
  margin: 0 0 38px;
}

.feature-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--ink);
}

.feature-row article {
  min-height: 290px;
  padding: 26px 28px 30px;
  border-right: 1px solid var(--line);
  transition: background 220ms ease, transform 220ms ease;
}

.feature-row article:last-child {
  border-right: 0;
}

.feature-row article:hover {
  background: var(--green-soft);
  transform: translateY(-8px);
}

.feature-row article > span,
.direction-grid article > span,
.resource-card > span,
.metric-grid article > span {
  color: var(--green-deep);
  font-family: Consolas, "SFMono-Regular", monospace;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.feature-row h3,
.direction-grid h3,
.resource-card h3,
.plan-card h3 {
  margin: 32px 0 14px;
  font-size: 24px;
}

.feature-row p,
.direction-grid p,
.resource-card p,
.plan-card li,
.metric-grid p,
.teacher-grid p,
.dashboard-grid p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}

.section-head.center {
  max-width: 760px;
  margin: 0 auto 54px;
  text-align: center;
}

.directions {
  width: 100%;
  padding-left: max(40px, calc((100vw - 1380px) / 2));
  padding-right: max(40px, calc((100vw - 1380px) / 2));
  background: var(--ink);
  color: #fff;
}

.directions .section-head > span {
  color: var(--green);
}

.direction-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.direction-grid article {
  position: relative;
  min-height: 430px;
  padding: 24px;
  overflow: hidden;
  border: 1px solid #323b33;
  background:
    linear-gradient(160deg, rgba(120, 232, 78, 0.05), transparent 45%),
    #0e120f;
  transition: transform 220ms ease, border-color 220ms ease, background 220ms ease;
}

.direction-grid article::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 5px;
  background: var(--green);
  transition: right 280ms ease;
}

.direction-grid article:hover,
.direction-grid article:focus-visible {
  transform: translateY(-10px);
  border-color: var(--green);
  background:
    linear-gradient(160deg, rgba(120, 232, 78, 0.16), transparent 52%),
    #111712;
}

.direction-grid article:hover::after,
.direction-grid article:focus-visible::after {
  right: 0;
}

.direction-grid h3 {
  margin-top: 36px;
  font-size: clamp(20px, 1.65vw, 27px);
}

.direction-grid p {
  color: #b8c0b9;
}

.direction-icon {
  position: relative;
  display: block;
  width: 100%;
  height: 150px;
  margin-top: 24px;
  border: 1px solid #3e4a40;
  background:
    linear-gradient(rgba(120, 232, 78, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 232, 78, 0.08) 1px, transparent 1px);
  background-size: 18px 18px;
}

.direction-icon::before,
.direction-icon::after {
  content: "";
  position: absolute;
  border: 2px solid var(--green);
}

.icon-robot::before {
  width: 62px;
  height: 44px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  border-radius: 6px;
  box-shadow: -22px 50px 0 -18px var(--green), 22px 50px 0 -18px var(--green);
}

.icon-robot::after {
  width: 7px;
  height: 7px;
  left: calc(50% - 20px);
  top: calc(50% - 4px);
  border-radius: 50%;
  background: var(--green);
  box-shadow: 30px 0 0 var(--green);
}

.icon-scene::before {
  width: 82px;
  height: 70px;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  clip-path: polygon(50% 0, 100% 100%, 0 100%);
}

.icon-scene::after {
  width: 16px;
  height: 16px;
  right: 26%;
  top: 24%;
  border-radius: 50%;
  background: var(--green);
  box-shadow: -70px 52px 0 -5px var(--green), -38px 76px 0 -5px var(--green);
}

.icon-chip::before {
  width: 64px;
  height: 64px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  box-shadow: inset 0 0 0 12px #0e120f, inset 0 0 0 14px var(--green);
}

.icon-chip::after {
  width: 96px;
  height: 96px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) rotate(45deg);
  border-width: 1px;
}

.icon-sim::before {
  width: 88px;
  height: 58px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) skewY(-8deg);
}

.icon-sim::after {
  width: 40px;
  height: 40px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) rotate(45deg);
  border-color: #fff;
}

.plans {
  background: transparent;
}

.plan-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.plan-card {
  position: relative;
  min-height: 530px;
  padding: clamp(28px, 3vw, 46px);
  border: 1px solid var(--ink);
  background: var(--paper-strong);
  box-shadow: 0 0 0 rgba(8, 11, 9, 0);
  transition: transform 220ms ease, box-shadow 220ms ease;
}

.plan-card:hover,
.plan-card:focus-visible,
.plan-card:focus-within {
  transform: translateY(-9px);
  background: var(--green-soft);
  box-shadow: 10px 10px 0 var(--ink);
}

.plan-card.featured {
  background: var(--paper-strong);
}

.plan-card > p {
  margin: 0;
  color: var(--green-deep);
  font-family: Consolas, monospace;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.plan-card h3 {
  margin-top: 16px;
  font-size: clamp(30px, 2.8vw, 44px);
}

.plan-card strong {
  display: block;
  margin: 34px 0 8px;
  font-family: "Arial Black", "Microsoft YaHei", sans-serif;
  font-size: clamp(44px, 4vw, 64px);
  letter-spacing: -0.05em;
}

.plan-card strong.compact-count {
  font-size: clamp(32px, 3.2vw, 52px);
}

.plan-card > span {
  display: block;
  min-height: 52px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.plan-card ul {
  margin: 28px 0 0;
  padding: 24px 0 0 18px;
  border-top: 1px solid var(--line);
}

.plan-card li + li {
  margin-top: 10px;
}

.center-action {
  margin-top: 44px;
  text-align: center;
}

.resources {
  border-top: 1px solid var(--ink);
}

.resource-grid {
  margin-top: 58px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.resource-card {
  padding: 30px;
  border: 1px solid var(--ink);
  background: var(--paper-strong);
}

.resource-card h3 {
  margin-top: 24px;
}

.resource-card button {
  width: 100%;
  min-height: 48px;
  margin-top: 20px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: #fff;
  cursor: pointer;
  font-weight: 800;
}

.resource-card label {
  display: block;
  margin-top: 12px;
  padding: 15px;
  border: 1px dashed var(--line);
  color: var(--muted);
  font-size: 13px;
  cursor: pointer;
}

.resource-card input[type="file"] {
  display: block;
  width: 100%;
  margin-top: 10px;
  font-size: 12px;
}

.sync-section {
  padding-top: 70px;
  padding-bottom: 70px;
}

.whitelist-entry-card {
  padding: clamp(38px, 5vw, 72px);
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 48px;
  border: 1px solid var(--ink);
  background: var(--green);
  box-shadow: 12px 12px 0 var(--ink);
}

.whitelist-entry-card h2 {
  max-width: 760px;
}

.whitelist-entry-card p {
  max-width: 760px;
  margin: 22px 0 18px;
  line-height: 1.8;
}

.sync-current {
  font-size: 13px;
}

.sync-cta {
  min-width: 170px;
  padding: 17px 24px;
  text-align: center;
  background: var(--ink);
  color: #fff;
}

.sync-section-head {
  max-width: 760px;
  margin-bottom: 50px;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--ink);
}

.faq-grid article {
  min-height: 240px;
  padding: 28px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.faq-grid article:nth-child(3n) {
  border-right: 0;
}

.faq-grid h3 {
  margin: 0 0 18px;
  font-size: 19px;
}

.faq-grid p,
.disclaimer-panel p {
  color: var(--muted);
  line-height: 1.85;
}

.disclaimer-panel {
  padding: 36px;
  background: #e9ede7;
  border-left: 5px solid var(--ink);
}

.disclaimer-panel h2 {
  margin: 0 0 12px;
  font-size: 22px;
}

.site-footer {
  min-height: 150px;
  padding: 34px max(40px, calc((100vw - 1380px) / 2)) 22px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 18px 26px;
  align-items: center;
  background: var(--ink);
  color: #fff;
}

.site-footer span {
  color: var(--green);
  font-size: 21px;
  font-weight: 900;
}

.site-footer p {
  color: #aeb7af;
}

.site-footer a {
  border-bottom: 1px solid var(--green);
  padding-bottom: 5px;
}

.footer-disclaimer {
  grid-column: 1 / -1;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.46);
  font-size: 10px;
  font-weight: 400;
  line-height: 1.65;
}

/* Inner pages */
.page,
.sync-page {
  min-height: 100vh;
  padding-top: 78px;
}

.page-hero,
.sync-hero {
  width: 100%;
  min-height: 520px;
  padding: clamp(130px, 13vw, 190px) max(40px, calc((100vw - 1380px) / 2)) 80px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-end;
  background:
    linear-gradient(90deg, rgba(120, 232, 78, 0.12), transparent 42%),
    radial-gradient(circle, rgba(8, 11, 9, 0.22) 0.8px, transparent 0.9px);
  background-size: auto, 14px 14px;
  border-bottom: 1px solid var(--ink);
}

.page-hero.compact {
  min-height: 470px;
}

.page-hero h1,
.sync-hero h1 {
  max-width: 1120px;
  font-size: clamp(48px, 7vw, 104px);
}

.page-hero h1 > span {
  display: block;
}

.page-hero > p,
.sync-hero > p {
  max-width: 780px;
  margin: 28px 0 0;
}

.page-hero .text-link {
  margin-top: 24px;
}

.event-number-badge {
  display: inline-flex;
  width: fit-content;
  margin-top: 24px;
  padding: 8px 12px;
  background: var(--ink);
  color: var(--green);
  font-family: Consolas, monospace;
  font-size: 12px;
  font-weight: 800;
}

.official-strip {
  width: var(--container);
  margin: 72px auto 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid var(--ink);
  background: #fff;
}

.official-strip article {
  min-height: 250px;
  padding: 28px;
  border-right: 1px solid var(--line);
}

.official-strip article:last-child {
  border-right: 0;
}

.official-strip span {
  color: var(--green-deep);
  font-family: Consolas, monospace;
  font-weight: 800;
}

.official-strip h3 {
  margin: 36px 0 14px;
}

.official-strip p {
  color: var(--muted);
  line-height: 1.8;
}

.section-body.aligned {
  padding-top: 2px;
}

.item-grid {
  display: grid;
  gap: 10px;
}

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

.item-grid > div,
.pill-row span {
  padding: 17px 18px;
  border: 1px solid var(--line);
  background: #fff;
  font-size: 14px;
  line-height: 1.55;
}

.item-grid > div:hover {
  border-color: var(--green-deep);
  background: var(--green-soft);
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pill-row span {
  border-radius: 999px;
}

.direction-hit {
  display: block;
  height: 100%;
  color: inherit;
}

.direction-hit > b {
  position: absolute;
  left: 34px;
  bottom: 30px;
  color: var(--green-deep);
  font-family: Consolas, monospace;
  font-size: 12px;
  letter-spacing: 0.04em;
}

.direction-grid article:focus-within {
  z-index: 2;
  transform: translateY(-8px) scale(1.015);
  background: var(--green);
  box-shadow: 10px 10px 0 var(--ink);
}

.direction-grid article:focus-within::after {
  opacity: 0.16;
  transform: scale(1.08) rotate(14deg);
}

.grade-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 30px;
}

.grade-grid article {
  min-height: 250px;
  padding: 28px;
  border: 1px solid var(--line);
  background: #fff;
}

.grade-grid article > span {
  color: var(--green-deep);
  font-family: Consolas, monospace;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.grade-grid h3 {
  margin: 26px 0 14px;
  font-size: clamp(23px, 2.2vw, 32px);
}

.grade-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}

.event-tracks {
  width: var(--container);
  margin: 0 auto;
  padding: 20px 0 120px;
}

.event-tracks-head {
  max-width: 920px;
  margin-bottom: 46px;
}

.event-tracks-head > span {
  color: var(--green-deep);
  font-family: Consolas, monospace;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.09em;
}

.event-tracks-head h2 {
  margin: 14px 0 18px;
  font-size: clamp(44px, 6vw, 82px);
  line-height: 1;
  letter-spacing: -0.055em;
}

.event-tracks-head p,
.source-note {
  color: var(--muted);
  line-height: 1.85;
}

.track-accordion {
  border-top: 1px solid var(--ink);
}

.track-accordion details {
  scroll-margin-top: 110px;
  border-bottom: 1px solid var(--ink);
}

.track-accordion summary {
  min-height: 118px;
  padding: 24px 6px;
  display: grid;
  grid-template-columns: 190px 1fr auto;
  gap: 24px;
  align-items: center;
  cursor: pointer;
  list-style: none;
  transition: padding 180ms ease, background 180ms ease;
}

.track-accordion summary::-webkit-details-marker {
  display: none;
}

.track-accordion summary:hover,
.track-accordion summary:focus-visible,
.track-accordion details[open] summary {
  padding-inline: 24px;
  background: var(--green);
}

.track-accordion summary > span,
.track-accordion summary > b {
  font-family: Consolas, monospace;
  font-size: 12px;
  letter-spacing: 0.06em;
}

.track-accordion summary > strong {
  font-size: clamp(24px, 3.2vw, 44px);
  line-height: 1.2;
}

.track-accordion summary > b::after {
  content: " ＋";
}

.track-accordion details[open] summary > b::after {
  content: " －";
}

.track-content {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--ink);
  animation: track-reveal 260ms ease both;
}

.track-content article {
  min-height: 310px;
  padding: 30px;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--line);
  background: #fff;
}

.track-content article:last-child {
  border-right: 0;
}

.track-content article > span {
  color: var(--green-deep);
  font-family: Consolas, monospace;
  font-size: 12px;
  font-weight: 800;
}

.track-content h3 {
  margin: 34px 0 16px;
  font-size: 22px;
  line-height: 1.35;
}

.track-content p {
  margin: 0 0 28px;
  color: var(--muted);
  line-height: 1.8;
}

.track-content em {
  margin-top: auto;
  width: fit-content;
  padding: 7px 10px;
  border: 1px solid var(--ink);
  color: var(--ink);
  font-size: 11px;
  font-style: normal;
  font-weight: 800;
}

.source-note {
  max-width: 900px;
  margin: 28px 0 0;
  font-size: 12px;
}

@keyframes track-reveal {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.course-plans {
  width: var(--container);
  margin: 0 auto;
  padding: 80px 0 0;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.metric-grid article {
  padding: 28px;
  border: 1px solid var(--line);
  background: #fff;
}

.metric-grid strong {
  display: block;
  margin-top: 24px;
  font-size: 23px;
}

.teacher-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.teacher-grid article {
  padding: 30px;
  border: 1px solid var(--line);
  background: #fff;
}

.teacher-grid strong {
  display: block;
  margin: 26px 0 14px;
  font-size: 21px;
  line-height: 1.5;
}

.course-outline {
  width: 100%;
  max-width: none;
  padding-left: max(40px, calc((100vw - 1380px) / 2));
  padding-right: max(40px, calc((100vw - 1380px) / 2));
  background: var(--ink);
  color: #fff;
}

.course-outline .sync-section-head > span {
  color: var(--green);
}

.course-outline .sync-section-head > p {
  color: #adb7af;
}

.outline-grid {
  display: grid;
  gap: 20px;
}

.outline-card {
  padding: clamp(28px, 4vw, 52px);
  border: 1px solid #344036;
  background: #0e120f;
}

.outline-card h3 {
  margin: 0;
  font-size: clamp(28px, 3vw, 44px);
}

.outline-card > p {
  color: #aeb7af;
}

.outline-card ol {
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: #344036;
}

.outline-card li {
  min-height: 112px;
  padding: 18px;
  display: grid;
  grid-template-columns: 42px 1fr;
  grid-template-rows: auto 1fr;
  gap: 5px 12px;
  background: #121814;
}

.outline-card li b {
  grid-row: 1 / span 2;
  color: var(--green);
  font-family: Consolas, monospace;
}

.outline-card li span {
  font-weight: 800;
}

.outline-card li em {
  color: #98a299;
  font-size: 13px;
  font-style: normal;
  line-height: 1.65;
}

.dashboard {
  padding-bottom: 100px;
}

.dashboard-grid {
  width: var(--container);
  margin: 72px auto 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.dashboard-grid article {
  min-height: 240px;
  padding: 34px;
  border: 1px solid var(--ink);
  background: #fff;
  transition: transform 200ms ease, box-shadow 200ms ease;
}

.dashboard-grid article:hover {
  transform: translateY(-6px);
  box-shadow: 8px 8px 0 var(--green);
}

.dashboard-grid h3 {
  margin: 34px 0 12px;
  font-size: 24px;
}

/* Seven events */
.sync-hero {
  min-height: 500px;
}

.supported-event-grid {
  width: var(--container);
  margin: 70px auto 120px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.supported-event {
  min-height: 280px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--ink);
  background: #fff;
  transition: transform 210ms ease, box-shadow 210ms ease, background 210ms ease;
}

.supported-event.current {
  grid-column: 1 / -1;
  min-height: 340px;
  background: var(--green);
}

.supported-event:hover,
.supported-event:focus-visible {
  transform: translateY(-7px);
  box-shadow: 9px 9px 0 var(--ink);
}

.supported-event > span {
  color: var(--green-deep);
  font-family: Consolas, monospace;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.supported-event.current > span {
  color: var(--ink);
}

.supported-event > strong {
  max-width: 700px;
  margin-top: 44px;
  font-size: clamp(24px, 3vw, 40px);
  line-height: 1.3;
}

.supported-event > p {
  max-width: 650px;
  color: var(--muted);
  line-height: 1.8;
}

.supported-event > b {
  margin-top: auto;
  font-size: 12px;
}

.whitelist-note {
  width: var(--container);
  margin: 0 auto 120px;
  padding: clamp(36px, 6vw, 80px);
  border: 1px solid var(--ink);
  background: var(--green-soft);
}

.page-footer {
  margin-top: 0;
}

/* Dialogs */
.modal {
  width: min(760px, calc(100vw - 32px));
  max-height: calc(100svh - 32px);
  padding: clamp(28px, 4vw, 50px);
  overflow-y: auto;
  border: 1px solid var(--ink);
  border-radius: 0;
  background: var(--paper);
  color: var(--ink);
  box-shadow: 14px 14px 0 var(--green);
}

.modal::backdrop {
  background: rgba(8, 11, 9, 0.68);
  backdrop-filter: blur(8px);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  border: 1px solid var(--ink);
  border-radius: 50%;
  background: #fff;
  cursor: pointer;
  font-size: 24px;
}

.modal h2 {
  margin: 0 48px 12px 0;
  font-size: 36px;
}

.modal > p {
  color: var(--muted);
  line-height: 1.7;
}

.lead-form,
.login-form {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.lead-form label,
.login-form label,
.lead-form fieldset {
  display: grid;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
}

.lead-form input,
.lead-form select,
.lead-form textarea,
.login-form input {
  width: 100%;
  min-height: 48px;
  padding: 11px 13px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: #fff;
  color: var(--ink);
}

.lead-form textarea {
  min-height: 110px;
  resize: vertical;
}

.lead-form fieldset {
  margin: 0;
  padding: 14px;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--line);
}

.lead-form fieldset legend {
  padding: 0 6px;
}

.lead-form .full,
.lead-form .check,
.login-form .check,
.lead-form .primary-btn,
.login-form .primary-btn {
  grid-column: 1 / -1;
}

.lead-form .check,
.login-form .check {
  display: flex;
  align-items: flex-start;
  font-weight: 400;
  line-height: 1.6;
}

.lead-form .check input,
.login-form .check input {
  width: 18px;
  min-height: 18px;
  margin-top: 2px;
}

.login-form {
  grid-template-columns: 1fr;
}

.login-form label span {
  display: grid;
  grid-template-columns: 1fr auto;
}

.login-form label span button {
  border: 1px solid var(--ink);
  background: var(--ink);
  color: #fff;
  cursor: pointer;
}

.login-form .check,
.login-form .primary-btn {
  grid-column: auto;
}

.qr-modal {
  width: min(480px, calc(100vw - 32px));
  text-align: center;
}

.qr-modal img {
  width: min(280px, 80%);
  margin-top: 18px;
  background: #fff;
}

.top-btn {
  position: fixed;
  right: 28px;
  bottom: 28px;
  z-index: 40;
  width: 52px;
  height: 52px;
  border: 1px solid var(--ink);
  border-radius: 50%;
  background: var(--green);
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity 180ms ease, transform 180ms ease;
  cursor: pointer;
  font-size: 22px;
}

.top-btn.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.reveal-ready [data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 650ms ease, transform 650ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

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

@media (max-width: 1100px) {
  :root {
    --container: min(100% - 48px, 980px);
  }

  .site-header {
    grid-template-columns: 1fr auto;
    padding-inline: 24px;
  }

  .main-nav {
    gap: 24px;
  }

  .hero h1 {
    font-size: clamp(48px, 7vw, 76px);
  }

  .hero-hands {
    height: 36%;
  }

  .hero-hands img {
    width: 68vw;
  }

  .robot-hand {
    left: -10vw;
  }

  .human-hand {
    right: -5vw;
  }

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

  .feature-row article {
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

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

  .plan-grid,
  .resource-grid {
    grid-template-columns: 1fr;
  }

  .plan-card {
    min-height: auto;
  }

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

  .faq-grid article:nth-child(3n) {
    border-right: 1px solid var(--line);
  }

  .faq-grid article:nth-child(2n) {
    border-right: 0;
  }

  .official-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  .track-content {
    grid-template-columns: 1fr;
  }

  .track-content article,
  .track-content article:last-child {
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .track-content article:last-child {
    border-bottom: 0;
  }

  .official-strip article:nth-child(2n) {
    border-right: 0;
  }

  .official-strip article:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }
}

@media (max-width: 760px) {
  :root {
    --container: calc(100% - 32px);
  }

  .site-header,
  .site-header.scrolled,
  .site-header.inner {
    height: 68px;
    padding: 0 16px;
    grid-template-columns: 146px 1fr 82px;
    gap: 8px;
  }

  .brand {
    width: 140px;
  }

  .main-nav {
    display: none;
  }

  .ghost-btn {
    min-width: 78px;
    height: 42px;
  }

  .hero {
    min-height: 760px;
    padding: 116px 16px 78px;
  }

  .hero-grid {
    inset: 68px 0 36px;
  }

  .hero h1 {
    margin-top: 18px;
    font-size: clamp(31px, 9.7vw, 43px);
    line-height: 1.01;
    letter-spacing: -0.06em;
  }

  .hero h1 span:first-child {
    font-size: 1em;
  }

  .hero-copy > p {
    max-width: 340px;
    font-size: 15px;
    line-height: 1.7;
  }

  .hero-actions {
    margin-top: 20px;
    flex-direction: column;
    gap: 8px;
  }

  .primary-btn {
    min-width: 172px;
    min-height: 54px;
  }

  .hero-readout {
    display: none;
  }

  .hero-hands {
    bottom: 36px;
    height: 33%;
  }

  .hero-hands img {
    bottom: 4%;
    width: 93vw;
  }

  .robot-hand {
    left: -32vw;
    transform: translate3d(calc(var(--hero-scroll) * -5vw), 0, 0);
  }

  .human-hand {
    right: -14vw;
    transform: translate3d(calc(var(--hero-scroll) * 5vw), 0, 0);
  }

  .contact-point {
    bottom: 34%;
  }

  .hero-track {
    height: 36px;
    padding-inline: 8px;
    gap: 4px;
    font-size: 8px;
    letter-spacing: 0;
  }

  .section,
  .sync-section {
    padding: 76px 0;
  }

  .section.split {
    grid-template-columns: 1fr;
    gap: 38px;
  }

  .section-title {
    position: static;
  }

  .section-title h2,
  .section-head h2,
  .sync-section-head h2,
  .whitelist-entry-card h2,
  .whitelist-note h2 {
    font-size: 40px;
  }

  .directions,
  .course-outline {
    padding-left: 16px;
    padding-right: 16px;
  }

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

  .direction-grid article {
    min-height: 370px;
  }

  .whitelist-entry-card {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 28px;
    box-shadow: 7px 7px 0 var(--ink);
  }

  .sync-cta {
    justify-self: start;
  }

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

  .faq-grid article,
  .faq-grid article:nth-child(3n),
  .faq-grid article:nth-child(2n) {
    min-height: 0;
    border-right: 0;
  }

  .site-footer {
    min-height: 190px;
    padding: 38px 24px;
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .footer-disclaimer {
    grid-column: auto;
    margin-top: 14px;
  }

  .page,
  .sync-page {
    padding-top: 68px;
  }

  .page-hero,
  .sync-hero {
    min-height: 460px;
    padding: 110px 16px 54px;
  }

  .page-hero h1,
  .sync-hero h1 {
    font-size: 48px;
  }

  .official-strip,
  .dashboard-grid,
  .supported-event-grid {
    grid-template-columns: 1fr;
  }

  .official-strip article,
  .official-strip article:nth-child(2n) {
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .item-grid.two,
  .metric-grid,
  .teacher-grid,
  .outline-card ol,
  .grade-grid {
    grid-template-columns: 1fr;
  }

  .grade-grid article {
    min-height: 0;
  }

  .event-tracks {
    padding: 0 0 80px;
  }

  .event-tracks-head h2 {
    font-size: 42px;
  }

  .track-accordion summary {
    min-height: 110px;
    padding: 20px 4px;
    grid-template-columns: 1fr auto;
    gap: 8px 14px;
  }

  .track-accordion summary > span {
    grid-column: 1 / -1;
  }

  .track-accordion summary > strong {
    font-size: 22px;
  }

  .track-accordion summary:hover,
  .track-accordion summary:focus-visible,
  .track-accordion details[open] summary {
    padding-inline: 14px;
  }

  .track-content article {
    padding: 24px 18px;
  }

  .supported-event.current {
    grid-column: auto;
  }

  .supported-event {
    min-height: 250px;
  }

  .lead-form {
    grid-template-columns: 1fr;
  }

  .lead-form .full,
  .lead-form .check,
  .lead-form .primary-btn {
    grid-column: auto;
  }

  .lead-form fieldset {
    grid-template-columns: 1fr;
  }

  .top-btn {
    right: 18px;
    bottom: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .robot-hand,
  .human-hand,
  .contact-point,
  [data-reveal] {
    transform: none !important;
  }

  .ai-field {
    display: none;
  }
}

/* Shared title-spacing standard: multi-line headings stay clearly separated. */
.hero h1,.page-hero h1,.sync-hero h1,.section-title h2,.section-head h2{line-height:1.12;letter-spacing:-.035em}

/* All visible headings use balanced lines and no decorative punctuation. */
h1,h2,h3,h4,h5,h6{text-wrap:balance}

/* 2026-08-04 shared footer and transparent-logo standard */
.brand,.brand img,.site-header .brand,.site-header .brand img{background:transparent!important}
.site-footer .site-legal-note{grid-column:1/-1;display:block;width:100%;margin-top:18px;padding-top:10px;border-top:1px solid currentColor;color:inherit!important;opacity:.55;font-size:10px!important;font-weight:400;line-height:1.65;letter-spacing:0;text-align:center}
body .faq-grid p{color:rgba(17,19,18,.72)!important;opacity:1}
/* Semantic title wrapping */
.section-title h2 .title-line { display: block; }
.teacher-disciplines { display: grid; grid-template-columns: repeat(2, max-content); gap: 10px 20px; }
.teacher-disciplines span { display: inline-flex; padding-bottom: 4px; border-bottom: 2px solid var(--green-deep); white-space: nowrap; }
@media (max-width: 560px) {
  .teacher-disciplines { grid-template-columns: 1fr 1fr; }
}

/* Shared utility controls */
select{color-scheme:light}
select option{color:#111!important;background:#fff!important}
.site-footer > .official-site-link{grid-column:1/-1;justify-self:center;display:inline-flex;align-items:center;gap:9px;width:max-content;margin:18px auto 0;padding:10px 16px;border:1px solid currentColor;border-radius:999px;color:inherit;font-size:12px;font-weight:800;line-height:1;text-decoration:none;transition:background .18s,color .18s,transform .18s}
.site-footer > .official-site-link:hover,.site-footer > .official-site-link:focus-visible{background:#9bea63;color:#111;transform:translateY(-2px)}
.back-to-top{position:fixed;right:clamp(16px,2.2vw,32px);bottom:clamp(16px,2.2vw,32px);z-index:70;display:grid;place-items:center;width:52px;height:52px;border:1px solid #9bea63;border-radius:50%;color:#9bea63;background:#111;box-shadow:6px 6px 0 rgba(155,234,99,.32);cursor:pointer;opacity:0;visibility:hidden;pointer-events:none;transform:translateY(12px);transition:opacity .2s,visibility .2s,transform .2s,background .2s,color .2s}
.back-to-top.is-visible{opacity:1;visibility:visible;pointer-events:auto;transform:none}
.back-to-top:hover,.back-to-top:focus-visible{color:#111;background:#9bea63}
.back-to-top span{font-size:22px;line-height:1}
@media(max-width:560px){.back-to-top{right:16px;bottom:16px;width:48px;height:48px}}
@media(prefers-reduced-motion:reduce){.back-to-top{transition:none}}
.top-btn{right:clamp(16px,2.2vw,32px);bottom:clamp(16px,2.2vw,32px);width:52px;height:52px}
@media(max-width:560px){.top-btn{right:16px;bottom:16px;width:48px;height:48px}}

/* 2026-08-05 standalone official entry and compact questions */
.official-entry-band{display:flex;align-items:center;justify-content:center;min-height:86px;padding:20px max(40px,calc((100vw - 1380px)/2));border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#f3f5f1}
.official-entry-band .official-site-link{display:inline-flex;align-items:center;gap:10px;margin:0;padding:11px 18px;border:1px solid var(--ink);border-radius:999px;color:var(--ink);background:transparent;font-size:12px;font-weight:800;line-height:1;text-decoration:none;transition:background .18s,color .18s,transform .18s}
.official-entry-band .official-site-link:hover,.official-entry-band .official-site-link:focus-visible{background:var(--green);color:var(--ink);transform:translateY(-2px)}
body .site-footer{min-height:0;padding:22px max(40px,calc((100vw - 1380px)/2)) 12px;gap:10px 24px}
body .site-footer .site-legal-note{margin-top:4px;padding-top:8px}
.compact-questions{display:grid;grid-template-columns:minmax(220px,.72fr) minmax(0,1.28fr);gap:70px;padding-top:76px;padding-bottom:76px}
.compact-question-list details{border-top:1px solid rgba(17,19,18,.25)}
.compact-question-list details:last-child{border-bottom:1px solid rgba(17,19,18,.25)}
.compact-question-list summary{display:flex;align-items:center;justify-content:space-between;gap:22px;padding:20px 0;font-size:18px;font-weight:850;line-height:1.45;cursor:pointer;list-style:none}
.compact-question-list summary::-webkit-details-marker{display:none}
.compact-question-list summary::after{content:'+';font-size:24px;font-weight:400}
.compact-question-list details[open] summary::after{content:'−'}
.compact-question-list p{max-width:780px;margin:0;padding:0 42px 20px 0;color:var(--muted);font-size:15px;line-height:1.8}
@media(max-width:760px){.official-entry-band{min-height:74px;padding:18px 20px}.compact-questions{grid-template-columns:1fr;gap:28px;padding-top:58px;padding-bottom:58px}.compact-question-list summary{font-size:16px;padding:17px 0}.compact-question-list p{padding-right:20px}body .site-footer{padding:24px 20px 78px}}

.plan-facts,.course-facts{display:block;margin-top:8px;color:var(--green);font-size:13px;font-weight:850;letter-spacing:.04em;line-height:1.4}
[data-course-content]{display:none!important}

.official-strip{grid-template-columns:repeat(3,minmax(0,1fr))}
.official-strip .facts-heading{grid-column:1/-1;padding:30px 28px;border-bottom:1px solid var(--ink)}
.official-strip .facts-heading span{color:var(--green);font-family:var(--mono);font-size:11px;font-weight:900;letter-spacing:.14em}
.official-strip .facts-heading h2{margin:10px 0 0;font-size:clamp(34px,4vw,58px);line-height:1.12}
.official-strip article{min-height:220px;border-right:1px solid var(--line)!important;border-bottom:1px solid var(--line)!important}
@media(max-width:980px){.official-strip{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:620px){.official-strip{grid-template-columns:1fr}.official-strip article{min-height:0;border-right:0!important}}

/* Account and membership features are intentionally retired. */
[data-login],[data-login-open],[data-account-button],.login-button,.account-link,#loginDialog,#login-dialog,.login-dialog,[data-login-modal]{display:none!important}