:root {
  --ink: #171719;
  --ink-2: #242428;
  --red: #dc2f32;
  --red-dark: #c9232b;
  --navy: #1d3552;
  --blue-soft: #ceddf1;
  --paper: #f5f2ec;
  --white: #ffffff;
  --gray-100: #efefed;
  --gray-300: #d1d0cc;
  --gray-500: #818087;
  --gray-700: #4f4e54;
  --page: 1440px;
  --gutter: clamp(24px, 5vw, 76px);
  --display: "Inter Tight", Arial, sans-serif;
  --body: "Inter", Arial, sans-serif;
}

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

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

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.is-locked {
  overflow: hidden;
}

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

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

button {
  cursor: pointer;
}

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

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

img {
  height: auto;
}

h1,
h2,
h3,
p,
ul,
ol,
figure,
blockquote {
  margin: 0;
}

ul,
ol {
  padding: 0;
}

button:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--blue-soft);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 12px 16px;
  color: var(--ink);
  background: var(--white);
  font-size: 13px;
  font-weight: 800;
  transform: translateY(-160%);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.summer-bar {
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  overflow: hidden;
  padding: 12px 0;
  color: var(--white);
  background: var(--red);
  border-bottom: 1px solid rgba(255, 255, 255, 0.35);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.11em;
  line-height: 1;
  text-transform: uppercase;
}

.summer-track {
  display: inline-flex;
  align-items: center;
  gap: clamp(28px, 4vw, 62px);
  flex: 0 0 auto;
  min-width: max-content;
  padding-right: clamp(28px, 4vw, 62px);
  animation: summerTicker 36s linear infinite;
}

@keyframes summerTicker {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.summer-bar:hover .summer-track,
.summer-bar:focus-within .summer-track {
  animation-play-state: paused;
}

.summer-bar span,
.summer-bar strong {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  white-space: nowrap;
}

.summer-bar strong {
  padding-inline: clamp(20px, 2.4vw, 34px);
  border-inline: 1px solid rgba(255, 255, 255, 0.58);
}

.summer-bar i {
  font-size: 17px;
}

.site-header {
  position: sticky;
  z-index: 90;
  top: 0;
  width: 100%;
  height: 92px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 32px;
  padding: 0 var(--gutter);
  color: var(--white);
  background: var(--ink);
  border-bottom: 1px solid #38383d;
  transition: height 180ms ease;
}

.site-header.is-compact {
  height: 74px;
}

.brand {
  width: 136px;
}

.brand img {
  width: 100%;
  max-height: 64px;
  object-fit: contain;
  object-position: left center;
  filter: brightness(0) invert(1);
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  color: #d9d9dc;
  font-size: 13px;
  font-weight: 700;
}

.desktop-nav a {
  position: relative;
  padding-block: 9px;
}

.desktop-nav a::after {
  position: absolute;
  right: 0;
  bottom: 1px;
  left: 0;
  height: 2px;
  content: "";
  background: var(--red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.desktop-nav a:hover::after {
  transform: scaleX(1);
}

.header-buy {
  justify-self: end;
  min-height: 46px;
  padding: 0 20px;
  color: var(--white);
  background: var(--red);
  border: 1px solid var(--red);
  font-size: 13px;
  font-weight: 800;
}

.eyebrow {
  color: var(--red);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
  line-height: 1.25;
  text-transform: uppercase;
}

.eyebrow-light {
  color: #ff8a8a;
}

.large-copy {
  font-family: var(--display);
  font-size: clamp(21px, 2vw, 29px);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.35;
}

.button {
  min-height: 58px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 0 24px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 800;
  line-height: 1;
  transition: color 160ms ease, background 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button i {
  font-size: 20px;
}

.button-red {
  color: var(--white);
  background: var(--red);
  border-color: var(--red);
}

.button-red:hover {
  background: var(--red-dark);
  border-color: var(--red-dark);
}

.button-dark {
  color: var(--white);
  background: var(--ink);
  border-color: var(--ink);
}

.button-dark:hover {
  color: var(--ink);
  background: var(--white);
  border-color: var(--white);
}

.button-full {
  width: 100%;
}

.hero {
  max-width: var(--page);
  min-height: calc(100vh - 136px);
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(500px, 1.08fr);
  align-items: center;
  gap: clamp(42px, 5vw, 78px);
  margin: 0 auto;
  padding: clamp(70px, 7vw, 112px) var(--gutter) clamp(64px, 6vw, 96px);
  color: var(--white);
  background: var(--ink);
}

body::before {
  position: absolute;
  z-index: -1;
  top: 44px;
  right: 0;
  left: 0;
  height: min(940px, 100vh);
  content: "";
  background: var(--ink);
}

.hero-copy,
.hero-media {
  min-width: 0;
}

.hero h1 {
  max-width: 720px;
  margin-top: 24px;
  font-family: var(--display);
  font-size: clamp(54px, 5.4vw, 84px);
  font-weight: 800;
  letter-spacing: -0.063em;
  line-height: 0.94;
}

.hero h1 span {
  display: block;
  margin-top: 14px;
  color: var(--red);
}

.hero-lead {
  max-width: 670px;
  margin-top: 28px;
  color: #ceced2;
  font-size: clamp(17px, 1.45vw, 22px);
  line-height: 1.5;
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 36px;
  border-top: 1px solid #3b3b40;
  border-bottom: 1px solid #3b3b40;
  list-style: none;
}

.hero-facts li {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 17px 10px 17px 0;
}

.hero-facts li + li {
  padding-left: 18px;
  border-left: 1px solid #3b3b40;
}

.hero-facts i {
  flex: 0 0 auto;
  color: var(--red);
  font-size: 24px;
}

.hero-facts span {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hero-facts strong {
  font-size: 14px;
  line-height: 1.15;
}

.hero-facts small {
  overflow: hidden;
  color: #9d9da3;
  font-size: 11px;
  line-height: 1.2;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.hero-purchase {
  display: flex;
  align-items: stretch;
  gap: 18px;
  margin-top: 28px;
}

.hero-price {
  min-width: 220px;
  display: grid;
  grid-template-columns: auto;
  align-content: center;
  gap: 4px;
}

.hero-price span {
  grid-column: 1 / -1;
  margin-bottom: 4px;
  color: #9d9da3;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.hero-price strong {
  font-family: var(--display);
  font-size: 38px;
  line-height: 1;
}

.hero-price small {
  color: #b9b9bf;
  font-size: 11px;
  font-weight: 700;
  line-height: 1.25;
}

.purchase-note {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  color: #99999f;
  font-size: 11px;
}

.purchase-note i {
  color: var(--white);
  font-size: 15px;
}

.video-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid #5a5a60;
  background: #202024;
}

.video-frame > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 48%;
  transition: transform 500ms ease;
}

.video-frame:hover > img {
  transform: scale(1.015);
}

.video-shade {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(13, 17, 23, 0.62) 0%, rgba(13, 17, 23, 0.12) 48%, rgba(13, 17, 23, 0) 72%);
}

.video-play {
  position: absolute;
  top: 30px;
  left: 30px;
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 0;
  color: var(--white);
  background: transparent;
  border: 0;
  text-align: left;
}

.play-circle {
  width: 74px;
  height: 74px;
  display: grid;
  flex: 0 0 74px;
  place-items: center;
  background: var(--red);
  border-radius: 50%;
  transition: transform 180ms ease, background 180ms ease;
}

.video-play:hover .play-circle {
  background: var(--red-dark);
  transform: scale(1.05);
}

.play-circle i {
  margin-left: 4px;
  font-size: 28px;
}

.video-play > span:last-child {
  display: flex;
  flex-direction: column;
  gap: 7px;
  color: #e4e4e7;
  font-size: 13px;
}

.video-play strong {
  color: var(--white);
  font-family: var(--display);
  font-size: 21px;
}

.video-badge {
  position: absolute;
  right: 0;
  bottom: 0;
  padding: 12px 16px;
  color: var(--white);
  background: rgba(23, 23, 25, 0.88);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.video-caption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 16px;
  color: #9f9fa5;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.video-caption strong {
  color: var(--white);
  text-align: right;
}

.trust-section {
  max-width: var(--page);
  margin: 0 auto;
  padding: clamp(74px, 7vw, 112px) var(--gutter);
  background: var(--white);
}

.trust-intro {
  max-width: 820px;
}

.trust-intro h2 {
  max-width: 790px;
  margin-top: 14px;
  font-family: var(--display);
  font-size: clamp(34px, 4.4vw, 64px);
  letter-spacing: -0.055em;
  line-height: 0.98;
}

.trust-intro > p:last-child {
  max-width: 650px;
  margin-top: 20px;
  color: var(--gray-700);
  font-size: clamp(16px, 1.35vw, 20px);
  line-height: 1.5;
}

.trust-score {
  display: grid;
  grid-template-columns: auto minmax(220px, 1fr) minmax(190px, 0.58fr);
  align-items: center;
  gap: clamp(30px, 4vw, 60px);
  margin-top: 68px;
  padding-top: 56px;
  padding-bottom: 0;
  border-top: 1px solid var(--gray-300);
}

.score-number {
  display: flex;
  align-items: flex-end;
  color: var(--red);
  font-family: var(--display);
  line-height: 0.8;
}

.score-number strong {
  font-size: clamp(112px, 12vw, 174px);
  letter-spacing: -0.09em;
}

.score-number span {
  padding: 0 0 10px 9px;
  color: var(--ink);
  font-size: 24px;
  font-weight: 800;
}

.score-copy .stars,
.review-score .stars {
  display: flex;
  gap: 5px;
  color: var(--red);
}

.score-copy .stars i {
  font-size: 21px;
}

.score-copy h2 {
  margin-top: 14px;
  font-family: var(--display);
  font-size: clamp(28px, 3vw, 42px);
  letter-spacing: -0.04em;
  line-height: 1;
}

.score-copy p {
  max-width: 360px;
  margin-top: 12px;
  color: var(--gray-700);
  font-size: 14px;
  line-height: 1.5;
}

.trust-score > img {
  width: min(100%, 260px);
  justify-self: end;
}

.trust-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 54px;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.trust-metrics > div {
  min-height: 150px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
  padding: 24px clamp(18px, 3vw, 42px);
}

.trust-metrics > div + div {
  border-left: 1px solid var(--ink);
}

.trust-metrics strong {
  font-family: var(--display);
  font-size: clamp(46px, 5vw, 70px);
  letter-spacing: -0.06em;
  line-height: 0.9;
}

.trust-metrics span {
  color: var(--gray-700);
  font-size: 12px;
}

.company-proof {
  margin-top: 60px;
}

.company-proof > p {
  max-width: 590px;
  font-family: var(--display);
  font-size: clamp(19px, 2vw, 25px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.35;
}

.company-logos {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  margin-top: 34px;
  border: 1px solid var(--gray-300);
}

.company-logos span {
  min-height: 116px;
  display: grid;
  overflow: hidden;
  place-items: center;
  padding: 24px 18px;
}

.company-logos span + span {
  border-left: 1px solid var(--gray-300);
}

.company-logos img {
  width: min(100%, 132px);
  max-height: 46px;
  object-fit: contain;
  filter: brightness(0.55) contrast(1.45);
  transform: scale(2.05);
}

.decision-section {
  max-width: var(--page);
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(460px, 1.1fr);
  gap: clamp(48px, 6vw, 92px);
  margin: 0 auto;
  padding: clamp(82px, 8vw, 124px) var(--gutter) 0;
  background: var(--blue-soft);
}

.decision-copy h2,
.method-heading h2,
.platform-copy h2,
.faculty-head h2,
.results-heading h2,
.offer-copy h2,
.faq-heading h2,
.closing-panel h2 {
  margin-top: 20px;
  font-family: var(--display);
  font-size: clamp(42px, 5vw, 72px);
  font-weight: 800;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

.decision-copy > .large-copy {
  margin-top: 28px;
  color: #29425f;
}

.diagnostic-list {
  margin-top: 36px;
  border-top: 1px solid rgba(29, 53, 82, 0.35);
}

.diagnostic-list > div {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 20px;
  padding: 21px 0;
  border-bottom: 1px solid rgba(29, 53, 82, 0.35);
}

.diagnostic-list span {
  padding-top: 2px;
  color: var(--red);
  font-size: 12px;
  font-weight: 800;
}

.diagnostic-list p {
  color: var(--navy);
  font-family: var(--display);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.35;
}

.decision-visual,
.method-workspace {
  align-self: start;
  min-width: 0;
  background: var(--white);
  border: 1px solid rgba(29, 53, 82, 0.35);
}

.visual-topline {
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 0 18px;
  border-bottom: 1px solid var(--gray-300);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.visual-topline span:last-child {
  color: var(--red);
}

.decision-chart {
  width: 100%;
  height: 400px;
}

.chart-fallback {
  display: block;
  width: 100%;
  height: 100%;
}

.chart-fallback path {
  fill: none;
  stroke: #8a9cb1;
  stroke-width: 3;
}

.chart-fallback circle {
  fill: #f5f2ec;
  stroke: var(--navy);
  stroke-width: 3;
}

.chart-fallback g:first-of-type circle {
  fill: var(--red);
  stroke: var(--red);
}

.chart-fallback text {
  fill: var(--navy);
  font-family: var(--body);
  font-size: 11px;
  font-weight: 800;
  text-anchor: middle;
  dominant-baseline: middle;
}

.decision-fallback g:first-of-type text { fill: #fff; }
.method-fallback circle { fill: var(--red); stroke: var(--red); }
.method-fallback text { fill: #fff; font-size: 18px; }

.chart-controls {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border-top: 1px solid var(--gray-300);
  border-bottom: 1px solid var(--gray-300);
}

.chart-controls button {
  min-width: 0;
  min-height: 42px;
  padding: 8px 5px;
  color: var(--navy);
  background: var(--paper);
  border: 0;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.chart-controls button + button {
  border-left: 1px solid var(--gray-300);
}

.chart-controls button[aria-pressed="true"] {
  color: var(--white);
  background: var(--red);
}

.chart-insight {
  min-height: 96px;
  display: grid;
  grid-template-columns: 110px 1fr;
  align-items: center;
  gap: 18px;
  padding: 20px;
  color: var(--white);
  background: var(--navy);
}

.chart-insight span {
  color: #ff9b9b;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.chart-insight p {
  font-family: var(--display);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.3;
}

.transformation-panel {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(300px, 0.8fr) minmax(0, 1.2fr);
  gap: 50px;
  margin: clamp(72px, 8vw, 112px) calc(var(--gutter) * -1) 0;
  padding: clamp(60px, 6vw, 86px) var(--gutter);
  color: var(--white);
  background: var(--red);
}

.transformation-panel .eyebrow-light,
.offer-section .eyebrow-light {
  color: var(--white);
}

.transformation-head h2 {
  margin-top: 17px;
  font-family: var(--display);
  font-size: clamp(40px, 4.4vw, 64px);
  letter-spacing: -0.05em;
  line-height: 0.98;
}

.transformation-grid {
  border-top: 1px solid rgba(255, 255, 255, 0.65);
}

.transformation-grid > div {
  min-height: 75px;
  display: grid;
  grid-template-columns: 1fr 34px 1fr;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.65);
}

.transformation-grid span {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
}

.transformation-grid i {
  font-size: 22px;
  text-align: center;
}

.transformation-grid strong {
  font-family: var(--display);
  font-size: 18px;
}

.method-section {
  max-width: var(--page);
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(520px, 1.22fr);
  gap: clamp(46px, 6vw, 88px);
  margin: 0 auto;
  padding: clamp(88px, 8vw, 126px) var(--gutter);
  color: var(--white);
  background: var(--ink);
}

.method-heading {
  align-self: start;
  /* Keep the method introduction in normal flow. A sticky column here can
     overlap the curriculum grid while the page is being scrolled. */
  position: static;
}

.method-heading h2 {
  max-width: 530px;
}

.method-heading > p:last-child {
  max-width: 500px;
  margin-top: 28px;
  color: #a6a6ac;
  font-size: 17px;
  line-height: 1.65;
}

.method-workspace {
  color: var(--ink);
  background: #f8f7f3;
  border-color: #4b4b51;
}

.method-chart {
  width: 100%;
  height: 360px;
}

.method-detail {
  min-height: 132px;
  display: grid;
  grid-template-columns: 145px 1fr;
  gap: 7px 20px;
  align-items: start;
  padding: 22px 24px;
  color: var(--white);
  background: var(--navy);
}

.method-detail span {
  grid-row: 1 / 3;
  color: #ff9b9b;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
  line-height: 1.5;
  text-transform: uppercase;
}

.method-detail strong {
  font-family: var(--display);
  font-size: 21px;
}

.method-detail p {
  color: #c2ccd9;
  font-size: 13px;
  line-height: 1.45;
}

.curriculum-block {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(280px, 0.7fr) minmax(0, 1.3fr);
  gap: clamp(48px, 6vw, 88px);
  padding-top: clamp(70px, 7vw, 104px);
  border-top: 1px solid #3b3b40;
}

.curriculum-title h3 {
  max-width: 450px;
  margin-top: 18px;
  font-family: var(--display);
  font-size: clamp(34px, 3.7vw, 54px);
  letter-spacing: -0.045em;
  line-height: 1;
}

.module-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-content: start;
  border-top: 1px solid #505057;
}

.module-list details {
  align-self: start;
  border-bottom: 1px solid #505057;
}

.module-list details:nth-child(odd) {
  border-right: 1px solid #505057;
}

.module-list summary {
  min-height: 72px;
  display: grid;
  grid-template-columns: 34px 1fr 22px;
  align-items: center;
  gap: 12px;
  padding: 0 18px;
  cursor: pointer;
  list-style: none;
}

.module-list summary::-webkit-details-marker,
.faq-list summary::-webkit-details-marker {
  display: none;
}

.module-list summary span {
  color: var(--red);
  font-size: 10px;
  font-weight: 800;
}

.module-list summary strong {
  font-family: var(--display);
  font-size: 15px;
  line-height: 1.25;
}

.module-list summary i,
.faq-list summary i {
  font-size: 19px;
  transition: transform 180ms ease;
}

.module-list details[open] summary i,
.faq-list details[open] summary i {
  transform: rotate(45deg);
}

.module-list details > p {
  padding: 0 20px 22px 64px;
  color: #a7a7ad;
  font-size: 12px;
  line-height: 1.55;
}

.platform-section {
  max-width: var(--page);
  display: grid;
  grid-template-columns: minmax(430px, 0.96fr) minmax(0, 1.04fr);
  align-items: stretch;
  margin: 0 auto;
  background: var(--white);
}

.platform-media {
  position: relative;
  min-height: 720px;
  overflow: hidden;
  background: var(--gray-100);
}

.platform-media > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.platform-tag {
  position: absolute;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  color: var(--white);
  background: var(--red);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.platform-tag i {
  font-size: 18px;
}

.platform-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(70px, 8vw, 120px) var(--gutter);
}

.platform-copy h2 {
  max-width: 630px;
}

.platform-copy > .large-copy {
  max-width: 660px;
  margin-top: 28px;
  color: var(--gray-700);
}

.platform-features {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 42px;
  border-top: 1px solid var(--ink);
}

.platform-features > div {
  min-height: 128px;
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  padding: 22px 18px 22px 0;
  border-bottom: 1px solid var(--gray-300);
}

.platform-features > div:nth-child(even) {
  padding-left: 20px;
  border-left: 1px solid var(--gray-300);
}

.platform-features i {
  color: var(--red);
  font-size: 26px;
}

.platform-features span {
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: var(--gray-700);
  font-size: 11px;
  line-height: 1.45;
}

.platform-features strong {
  color: var(--ink);
  font-family: var(--display);
  font-size: 15px;
}

.harvard-note {
  display: grid;
  grid-template-columns: 150px 1fr;
  align-items: center;
  gap: 24px;
  margin-top: 34px;
  padding: 20px 0;
  border-top: 1px solid var(--gray-300);
  border-bottom: 1px solid var(--gray-300);
}

.harvard-note img {
  width: 140px;
  max-height: 46px;
  object-fit: contain;
}

.harvard-note p {
  color: var(--gray-700);
  font-size: 11px;
  line-height: 1.5;
}

.faculty-section {
  max-width: var(--page);
  margin: 0 auto;
  padding: clamp(88px, 8vw, 124px) var(--gutter);
  color: var(--white);
  background: var(--navy);
}

.faculty-head {
  max-width: 850px;
}

.faculty-head h2 {
  max-width: 780px;
}

.faculty-head > p:last-child {
  max-width: 620px;
  margin-top: 24px;
  color: #b8c6d7;
  font-size: 16px;
  line-height: 1.6;
}

.faculty-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 56px;
  border-top: 1px solid rgba(255, 255, 255, 0.3);
  border-left: 1px solid rgba(255, 255, 255, 0.3);
}

.faculty-card {
  min-width: 0;
  background: #b9cbe1;
  border-right: 1px solid rgba(255, 255, 255, 0.3);
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

.faculty-card > img {
  width: 100%;
  aspect-ratio: 1 / 0.86;
  object-fit: cover;
  object-position: center 18%;
  filter: grayscale(100%) contrast(0.97);
}

.faculty-card-transparent > img {
  object-fit: contain;
  object-position: center bottom;
  padding: 16px 24px 0;
  filter: grayscale(100%) contrast(1.04);
}

.faculty-card > div {
  min-height: 92px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 7px;
  padding: 18px 22px;
  color: var(--white);
  background: var(--navy);
  border-top: 1px solid rgba(255, 255, 255, 0.3);
}

.faculty-card strong {
  font-family: var(--display);
  font-size: 21px;
}

.faculty-card span {
  color: #aebed1;
  font-size: 11px;
}

.faculty-logos {
  min-height: 31px;
  display: flex;
  align-items: center;
  gap: 15px;
  margin-top: 5px;
}

.faculty-logos img {
  width: 110px;
  max-width: 110px;
  height: 34px;
  object-fit: contain;
  filter: grayscale(1) brightness(0) invert(1);
  opacity: 0.86;
}

.results-section {
  max-width: var(--page);
  margin: 0 auto;
  padding: clamp(88px, 8vw, 124px) var(--gutter);
  background: var(--white);
}

.results-heading {
  max-width: 950px;
}

.results-heading h2 {
  max-width: 900px;
}

.reviews-layout {
  display: grid;
  grid-template-columns: minmax(330px, 0.75fr) minmax(0, 1.25fr);
  margin-top: 58px;
  border: 1px solid var(--gray-300);
}

.review-score {
  min-height: 430px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 42px;
  background: var(--paper);
}

.review-score-label {
  color: var(--gray-700);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.review-score > strong {
  margin-top: 20px;
  color: var(--red);
  font-family: var(--display);
  font-size: clamp(100px, 11vw, 160px);
  letter-spacing: -0.09em;
  line-height: 0.72;
}

.review-score > strong small {
  color: var(--ink);
  font-size: 22px;
  letter-spacing: -0.03em;
}

.review-score .stars {
  margin-top: 28px;
}

.review-score .stars i {
  font-size: 23px;
}

.review-score > img {
  width: 215px;
  margin-top: 28px;
}

.testimonial-stage {
  position: relative;
  min-height: 430px;
  overflow: hidden;
  color: var(--white);
  background: var(--red);
}

.testimonial {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(42px, 5vw, 70px);
  opacity: 0;
  pointer-events: none;
  transform: translateX(30px);
  transition: opacity 220ms ease, transform 220ms ease;
}

.testimonial.is-active {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(0);
}

.testimonial blockquote {
  max-width: 800px;
  font-family: var(--display);
  font-size: clamp(36px, 4.5vw, 64px);
  font-weight: 600;
  letter-spacing: -0.05em;
  line-height: 1.02;
}

.testimonial-person {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-bottom: 52px;
}

.testimonial-person img {
  width: 62px;
  height: 62px;
  object-fit: cover;
  border-radius: 50%;
}

.testimonial-person span {
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-size: 12px;
}

.testimonial-person strong {
  font-family: var(--display);
  font-size: 18px;
}

.testimonial-controls {
  position: absolute;
  right: 34px;
  bottom: 28px;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 20px;
}

.testimonial-controls button {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  color: var(--white);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: 50%;
}

.testimonial-controls button:hover {
  color: var(--red);
  background: var(--white);
}

.testimonial-controls span {
  font-size: 11px;
  font-weight: 800;
}

.certification-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(420px, 1.05fr);
  align-items: center;
  gap: clamp(46px, 6vw, 88px);
  margin-top: clamp(82px, 8vw, 120px);
  padding-top: clamp(72px, 7vw, 100px);
  border-top: 1px solid var(--ink);
}

.certificate-copy h3 {
  max-width: 620px;
  margin-top: 18px;
  font-family: var(--display);
  font-size: clamp(44px, 5vw, 72px);
  letter-spacing: -0.055em;
  line-height: 0.98;
}

.certificate-copy > p:not(.eyebrow) {
  max-width: 620px;
  margin-top: 24px;
  color: var(--gray-700);
  font-family: var(--display);
  font-size: 22px;
  font-weight: 500;
  line-height: 1.4;
}

.evaluation-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 42px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--gray-300);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.evaluation-head strong {
  color: var(--red);
}

.certification-chart {
  width: 100%;
  height: 122px;
}

.certification-fallback rect { stroke: #fff; stroke-width: 3; }
.certification-fallback text {
  fill: #fff;
  font-family: var(--body);
  font-size: 13px;
  font-weight: 800;
  text-anchor: middle;
  dominant-baseline: middle;
}

/* Desktop scan mode: compact editorial scale so each section reads in one
   viewport instead of feeling unfinished between scrolls. */
@media (min-width: 900px) {
  .hero { min-height: calc(100vh - 112px); padding-top: 48px; padding-bottom: 48px; gap: 48px; }
  .hero h1 { margin-top: 18px; font-size: clamp(46px, 4.25vw, 68px); line-height: .96; }
  .hero-lead { margin-top: 20px; font-size: clamp(16px, 1.2vw, 19px); }
  .hero-facts { margin-top: 24px; }

  .trust-section, .decision-section, .method-section, .offer-section,
  .faculty-section, .results-section, .closing-section {
    padding-top: 58px; padding-bottom: 58px;
  }

  .decision-copy h2, .method-heading h2, .platform-copy h2, .faculty-head h2,
  .results-heading h2, .offer-copy h2, .faq-heading h2, .closing-panel h2 {
    margin-top: 12px; font-size: clamp(34px, 3.55vw, 54px); line-height: .98;
  }

  .decision-copy > .large-copy, .platform-copy > .large-copy { margin-top: 18px; }
  .diagnostic-list { margin-top: 22px; }
  .diagnostic-list > div { padding: 14px 0; }
  .diagnostic-list p { font-size: 17px; }
  .method-section { row-gap: 48px; }
  .method-heading > p:last-child { margin-top: 18px; font-size: 15px; line-height: 1.45; }
  .curriculum-block { padding-top: 48px; gap: 48px; }
  .curriculum-title { align-self: center; }
  .curriculum-title h3 { font-size: clamp(30px, 3.1vw, 46px); }
  .platform-media { min-height: 560px; }
  .platform-copy { padding-top: 58px; padding-bottom: 58px; }
  .platform-features { margin-top: 28px; }
  .platform-features > div { min-height: 96px; padding-top: 16px; padding-bottom: 16px; }
  .faculty-grid { margin-top: 36px; }
  .results-heading { margin-bottom: 34px; }
}

@media (min-width: 1200px) {
  .curriculum-block { padding-top: 30px; gap: 40px; }
  .module-list summary { min-height: 60px; padding-inline: 14px; }
  .module-list summary strong { font-size: 14px; }
  .module-list details > p { padding-bottom: 16px; font-size: 11px; }
}

@media (min-width: 1200px) {
  /* Keep the full teaching team visible in one desktop row. */
  .faculty-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); margin-top: 30px; }
  .faculty-card > img { aspect-ratio: 1 / .92; }
  .faculty-card > div { min-height: 82px; padding: 12px 14px; gap: 4px; }
  .faculty-card strong { font-size: 15px; }
  .faculty-card span { font-size: 9px; white-space: nowrap; }
  .faculty-logos { min-height: 24px; }
  .faculty-logos img { max-width: 64px; max-height: 20px; }

  .method-heading {
    align-self: center;
    text-align: center;
    padding: 0 18px;
  }
  .method-heading h2,
  .method-heading > p:last-child {
    max-width: 620px;
    margin-left: auto;
    margin-right: auto;
  }
  .method-heading h2 { font-size: clamp(40px, 4vw, 60px); }
  .method-heading > p:last-child { font-size: 18px; line-height: 1.5; }
}

/* Final responsive polish for checkout handoff, Windows-height screens and mobile charts. */
.faculty-card-transparent > img {
  background: #b9cbe1;
}

@media (min-width: 861px) and (max-height: 820px) {
  .hero {
    min-height: auto;
    grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
    gap: clamp(28px, 4vw, 52px);
    padding-top: 30px;
    padding-bottom: 32px;
  }

  .hero h1 {
    margin-top: 14px;
    font-size: clamp(38px, 4.3vw, 58px);
    line-height: 0.94;
  }

  .hero h1 span {
    margin-top: 8px;
  }

  .hero-lead {
    max-width: 590px;
    margin-top: 16px;
    font-size: clamp(14px, 1.05vw, 17px);
    line-height: 1.38;
  }

  .hero-facts {
    margin-top: 18px;
  }

  .hero-facts li {
    padding-top: 12px;
    padding-bottom: 12px;
  }

  .hero-purchase {
    margin-top: 18px;
  }

  .video-frame {
    max-width: 560px;
    margin-left: auto;
  }
}

@media (max-width: 600px) {
  .method-workspace {
    margin-inline: 0;
    overflow: hidden;
  }

  .method-chart {
    height: 230px;
  }

  .method-chart canvas,
  .method-chart > div {
    max-width: 100% !important;
  }

  .visual-topline {
    min-height: 44px;
    padding-inline: 16px;
  }

  .chart-controls {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .chart-controls button {
    min-height: 40px;
    font-size: 7px;
  }
}

@media (min-width: 861px) and (max-width: 1720px) and (max-height: 1000px) {
  .hero {
    min-height: auto !important;
    grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr) !important;
    gap: clamp(24px, 3.4vw, 42px) !important;
    padding-top: 22px !important;
    padding-bottom: 22px !important;
  }

  .hero h1 {
    margin-top: 10px !important;
    font-size: clamp(36px, 3.5vw, 54px) !important;
    line-height: 0.94 !important;
  }

  .hero-lead {
    margin-top: 12px !important;
    font-size: clamp(13px, 0.95vw, 16px) !important;
    line-height: 1.32 !important;
  }

  .hero-facts,
  .hero-purchase {
    margin-top: 12px !important;
  }

  .hero-facts li {
    padding-top: 10px !important;
    padding-bottom: 10px !important;
  }

  .hero-price strong {
    font-size: 32px !important;
  }

  .purchase-note {
    margin-top: 8px !important;
  }

  .video-frame {
    max-width: 540px !important;
    margin-left: auto !important;
  }
}

@media (max-width: 700px) {
  .method-workspace {
    margin-inline: 0 !important;
    overflow: hidden !important;
  }

  .method-chart {
    height: 230px !important;
  }

  .method-chart canvas,
  .method-chart > div {
    max-width: 100% !important;
  }
}

/* Final hero viewport fix: keep the black opening screen full-height without shrinking the header. */
@media (min-width: 861px) {
  .site-header {
    height: 92px !important;
  }

  .site-header.is-compact {
    height: 74px !important;
  }

  .brand {
    width: 136px !important;
  }

  .summer-bar {
    min-height: 48px !important;
    font-size: 12px !important;
  }

  .hero {
    min-height: calc(100vh - 140px) !important;
  }
}

/* Final polish requested on July 10: proof, animation and scan hierarchy. */
.animated-number {
  display: inline-block;
  color: var(--red);
  animation: numberPulse 2.2s ease-in-out infinite;
}

@keyframes numberPulse {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}

.hero-harvard-proof {
  display: grid;
  grid-template-columns: 124px 1fr;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
  padding: 12px 14px;
  color: #dbe6f3;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.16);
}

.hero-harvard-proof img {
  width: 118px;
  max-height: 44px;
  object-fit: contain;
}

.hero-harvard-proof span {
  font-size: 12px;
  font-weight: 800;
  line-height: 1.25;
}

.video-frame {
  border-color: rgba(255,255,255,0.22) !important;
  box-shadow: 0 0 0 1px rgba(255,255,255,0.08), 0 0 0 0 rgba(239,50,50,0);
  animation: videoBorderPulse 2.8s ease-in-out infinite;
}

.video-frame::after {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
  border: 2px solid rgba(239,50,50,0.82);
  opacity: 0;
  transform: scale(0.985);
  animation: videoFrameTrace 2.8s ease-in-out infinite;
}

@keyframes videoBorderPulse {
  0%, 100% { box-shadow: 0 0 0 1px rgba(255,255,255,0.08), 0 0 0 0 rgba(239,50,50,0); }
  50% { box-shadow: 0 0 0 1px rgba(239,50,50,0.4), 0 0 0 9px rgba(239,50,50,0.08); }
}

@keyframes videoFrameTrace {
  0%, 100% { opacity: 0; transform: scale(0.985); }
  45%, 65% { opacity: 1; transform: scale(1); }
}

.harvard-note {
  grid-template-columns: 190px 1fr !important;
  gap: 28px !important;
  padding: 24px 0 !important;
}

.harvard-note img {
  width: 178px !important;
  max-height: 64px !important;
}

.harvard-note p {
  max-width: 600px;
  font-size: 15px !important;
  font-weight: 700;
  line-height: 1.45 !important;
}

.faculty-card-transparent > img {
  object-fit: contain !important;
  padding: 0 8px !important;
  transform: scale(1.12);
  transform-origin: center bottom;
}

.evaluation-legend strong {
  font-size: clamp(34px, 3vw, 46px) !important;
  line-height: 0.9 !important;
}

.evaluation-legend p {
  margin-top: 5px !important;
  font-size: 13px !important;
}

.evaluation-legend > div {
  grid-template-columns: 14px 1fr !important;
  align-items: start;
}

.legend-dot {
  width: 10px !important;
  height: 10px !important;
  margin-top: 9px !important;
}

.faq-section {
  grid-template-columns: 1fr !important;
  gap: 46px !important;
}

.faq-heading {
  max-width: 720px;
  margin-inline: auto;
  text-align: center;
}

.faq-heading h2 {
  max-width: none !important;
}

.faq-list {
  width: min(100%, 760px);
  margin-inline: auto;
}

.testimonial blockquote {
  font-size: clamp(34px, 4vw, 58px) !important;
}

@media (max-width: 700px) {
  .hero-harvard-proof {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .harvard-note {
    grid-template-columns: 1fr !important;
  }

  .faculty-card-transparent > img {
    transform: scale(1.05);
  }
}

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

/* En monitores muy anchos el lienzo debe continuar hasta el borde.
   Evita las bandas claras del body y cualquier scroll horizontal residual. */
@media (min-width: 1600px) {
  html,
  body {
    background: var(--ink);
  }

  body {
    overflow-x: hidden;
  }
}

/* Public hotfix: Hostinger kept mixing an older stylesheet in cache on wide
   screens. These final rules force the live page to behave like the local
   version and keep each desktop scroll readable at a glance. */
@media (min-width: 1100px) {
  body {
    overflow-x: hidden;
    background: var(--ink);
  }

  .hero,
  .trust-section,
  .decision-section,
  .method-section,
  .platform-section,
  .faculty-section,
  .results-section,
  .offer-section,
  .faq-section,
  .closing-section {
    width: 100%;
    max-width: none;
    margin-right: 0;
    margin-left: 0;
  }

  .hero,
  .trust-section,
  .decision-section,
  .method-section,
  .faculty-section,
  .results-section,
  .offer-section,
  .faq-section,
  .closing-section {
    padding-right: max(72px, calc((100vw - 1720px) / 2 + 72px));
    padding-left: max(72px, calc((100vw - 1720px) / 2 + 72px));
  }

  .hero {
    min-height: auto;
    padding-top: 54px;
    padding-bottom: 54px;
    grid-template-columns: minmax(0, 0.95fr) minmax(540px, 1.05fr);
    gap: clamp(42px, 5vw, 76px);
  }

  .hero h1 {
    max-width: 650px;
    font-size: clamp(50px, 4.25vw, 76px);
    line-height: 0.96;
  }

  .hero-lead {
    max-width: 620px;
    font-size: clamp(17px, 1.2vw, 21px);
  }

  .video-frame {
    max-width: 760px;
    margin-left: auto;
  }

  .trust-section {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(330px, 0.78fr);
    align-items: center;
    column-gap: clamp(52px, 6vw, 100px);
    row-gap: 46px;
    padding-top: 64px;
    padding-bottom: 64px;
  }

  .trust-intro h2 {
    max-width: 770px;
    font-size: clamp(42px, 4.2vw, 68px);
  }

  .trust-metrics {
    align-self: end;
    grid-template-columns: 1fr;
    justify-self: center;
    width: min(100%, 460px);
    margin-top: 0;
    text-align: center;
  }

  .trust-metrics > div {
    min-height: 102px;
    padding: 18px 28px;
    align-items: center;
  }

  .trust-metrics > div + div {
    border-top: 1px solid var(--ink);
    border-left: 0;
  }

  .trust-metrics strong {
    font-size: clamp(46px, 4.5vw, 64px);
  }

  .company-proof,
  .trust-score {
    grid-column: 1 / -1;
  }

  .company-proof {
    margin-top: 12px;
  }

  .company-proof > p {
    max-width: 560px;
    font-size: 24px;
  }

  .company-logos {
    margin-top: 26px;
  }

  .company-logos span {
    min-height: 94px;
  }

  .decision-section {
    grid-template-columns: minmax(380px, 0.86fr) minmax(560px, 1.14fr);
    gap: clamp(46px, 5vw, 82px);
    padding-top: 58px;
    padding-bottom: 58px;
  }

  .decision-copy h2,
  .method-heading h2,
  .platform-copy h2,
  .faculty-head h2,
  .results-heading h2,
  .offer-copy h2,
  .faq-heading h2,
  .closing-panel h2 {
    font-size: clamp(38px, 3.8vw, 62px);
    line-height: 1;
  }

  .decision-copy > .large-copy,
  .platform-copy > .large-copy {
    font-size: clamp(20px, 1.7vw, 28px);
    line-height: 1.32;
  }

  .diagnostic-list {
    margin-top: 24px;
  }

  .diagnostic-list > div {
    padding: 15px 0;
  }

  .diagnostic-list p {
    font-size: 17px;
  }

  .decision-chart {
    height: 320px;
  }

  .chart-insight {
    min-height: 84px;
    padding: 16px 20px;
  }

  .transformation-panel {
    margin-top: 44px;
    padding-top: 44px;
    padding-bottom: 44px;
  }

  .method-section {
    grid-template-columns: minmax(370px, 0.78fr) minmax(560px, 1.22fr);
    align-items: start;
    gap: clamp(44px, 5vw, 78px);
    padding-top: 58px;
    padding-bottom: 58px;
  }

  .method-heading {
    position: static !important;
    top: auto !important;
    align-self: center;
    transform: none !important;
    text-align: left;
  }

  .method-heading h2,
  .method-heading > p:last-child {
    max-width: 560px;
    margin-left: 0;
    margin-right: 0;
  }

  .method-heading h2 {
    font-size: clamp(42px, 3.8vw, 62px);
  }

  .method-heading > p:last-child {
    font-size: 17px;
    line-height: 1.45;
  }

  .method-chart {
    height: 300px;
  }

  .method-detail {
    min-height: 106px;
    padding: 18px 24px;
  }

  .curriculum-block {
    padding-top: 42px;
    gap: 46px;
  }

  .curriculum-title h3 {
    max-width: 430px;
    font-size: clamp(34px, 3vw, 50px);
  }

  .module-list summary {
    min-height: 58px;
  }

  .platform-section {
    grid-template-columns: minmax(520px, 0.92fr) minmax(620px, 1.08fr);
  }

  .platform-media {
    min-height: 620px;
  }

  .platform-copy {
    padding-top: 54px;
    padding-bottom: 54px;
  }

  .platform-copy h2 {
    max-width: 640px;
    font-size: clamp(42px, 3.8vw, 60px);
  }

  .platform-features {
    margin-top: 28px;
  }

  .platform-features > div {
    min-height: 92px;
    padding-top: 16px;
    padding-bottom: 16px;
  }

  .harvard-note {
    margin-top: 24px;
    padding: 16px 0;
  }
}

@media (min-width: 1400px) {
  .faculty-section {
    padding-top: 54px;
    padding-bottom: 54px;
  }

  .faculty-head h2 {
    max-width: 930px;
    font-size: clamp(44px, 3.6vw, 64px);
  }

  .faculty-head > p:last-child {
    margin-top: 16px;
  }

  .faculty-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    margin-top: 34px;
  }

  .faculty-card > img {
    aspect-ratio: 1 / 0.82;
  }

  .faculty-card > div {
    min-height: 108px;
    padding: 16px 18px;
  }

  .faculty-card strong {
    font-size: 22px;
  }

  .faculty-card span {
    white-space: normal;
    font-size: 11px;
  }

  .faculty-logos img {
    width: 92px;
    max-width: 92px;
    height: 30px;
  }
}

.evaluation-legend {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--gray-300);
}

.evaluation-legend > div {
  display: grid;
  grid-template-columns: 12px 1fr;
  gap: 5px 8px;
  padding: 17px 12px 0 0;
}

.evaluation-legend > div + div {
  padding-left: 12px;
  border-left: 1px solid var(--gray-300);
}

.legend-dot {
  width: 9px;
  height: 9px;
  margin-top: 3px;
  border-radius: 50%;
}

.dot-red {
  background: var(--red);
}

.dot-dark {
  background: var(--navy);
}

.dot-gray {
  background: #a9a8a3;
}

.evaluation-legend strong {
  font-family: var(--display);
  font-size: 19px;
}

.evaluation-legend p {
  grid-column: 2;
  color: var(--gray-700);
  font-size: 10px;
  line-height: 1.3;
}

.certificate-visual {
  margin: 0;
}

.certificate-visual img {
  width: 100%;
  background: var(--white);
  border: 1px solid var(--gray-300);
}

.certificate-visual figcaption {
  padding-top: 12px;
  color: var(--gray-700);
  font-size: 10px;
  line-height: 1.4;
}

.offer-section {
  max-width: var(--page);
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(420px, 0.92fr);
  gap: clamp(50px, 7vw, 100px);
  margin: 0 auto;
  padding: clamp(84px, 8vw, 124px) var(--gutter);
  color: var(--white);
  background: var(--red);
}

.summer-mark {
  width: fit-content;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
  padding: 11px 15px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.summer-mark i {
  font-size: 22px;
}

.offer-copy h2 {
  max-width: 750px;
}

.offer-includes {
  display: grid;
  gap: 14px;
  margin-top: 38px;
  list-style: none;
}

.offer-includes li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 14px;
  line-height: 1.4;
}

.offer-includes i {
  flex: 0 0 auto;
  padding-top: 2px;
  font-size: 18px;
}

.offer-checkout {
  position: relative;
  align-self: start;
  padding: 44px;
  color: var(--white);
  background: var(--ink);
  border: 1px solid rgba(255, 255, 255, 0.45);
}

.deadline-stamp {
  position: absolute;
  top: 22px;
  right: 22px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
  color: #a7a7ad;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.deadline-stamp strong {
  color: var(--red);
  font-family: var(--display);
  font-size: 24px;
  letter-spacing: -0.04em;
}

.deadline-stamp small {
  font-size: 8px;
}

.offer-savings,
.offer-price {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.offer-savings span,
.offer-price span {
  color: #929298;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.offer-savings strong {
  color: #a3a3a8;
  font-family: var(--display);
  font-size: 24px;
  font-weight: 700;
}

.offer-price {
  margin-top: 26px;
}

.offer-price strong {
  font-family: var(--display);
  font-size: clamp(84px, 9vw, 124px);
  letter-spacing: -0.08em;
  line-height: 0.8;
}

.saving-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin: 34px 0 22px;
  padding: 15px 0;
  border-top: 1px solid #47474d;
  border-bottom: 1px solid #47474d;
  color: #aaaab0;
  font-size: 11px;
}

.saving-line strong {
  color: #ff8a8a;
}

.offer-checkout > p {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 15px;
  color: #a4a4a9;
  font-size: 10px;
}

.offer-checkout > p i {
  color: var(--white);
  font-size: 14px;
}

.after-payment {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 44px 1fr 44px 1fr;
  align-items: center;
  margin-top: 10px;
  padding-top: 46px;
  border-top: 1px solid rgba(255, 255, 255, 0.5);
}

.after-payment > div {
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 4px 12px;
}

.after-payment > div > span {
  grid-row: 1 / 3;
  color: rgba(255, 255, 255, 0.55);
  font-family: var(--display);
  font-size: 28px;
  font-weight: 800;
}

.after-payment strong {
  font-family: var(--display);
  font-size: 18px;
}

.after-payment p {
  color: rgba(255, 255, 255, 0.72);
  font-size: 11px;
}

.after-payment > i {
  font-size: 23px;
  text-align: center;
}

.faq-section {
  max-width: var(--page);
  display: grid;
  grid-template-columns: minmax(300px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(50px, 7vw, 100px);
  margin: 0 auto;
  padding: clamp(86px, 8vw, 124px) var(--gutter) 0;
  background: var(--paper);
}

.faq-heading h2 {
  max-width: 500px;
}

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

.faq-list details {
  border-bottom: 1px solid var(--gray-300);
}

.faq-list summary {
  min-height: 80px;
  display: grid;
  grid-template-columns: 1fr 24px;
  align-items: center;
  gap: 20px;
  cursor: pointer;
  font-family: var(--display);
  font-size: 18px;
  font-weight: 700;
  list-style: none;
}

.faq-list details > p {
  max-width: 680px;
  padding: 0 44px 25px 0;
  color: var(--gray-700);
  font-size: 13px;
  line-height: 1.65;
}

.closing-panel {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
  align-items: end;
  gap: 60px;
  margin: clamp(78px, 8vw, 116px) calc(var(--gutter) * -1) 0;
  padding: clamp(70px, 7vw, 104px) var(--gutter);
  color: var(--white);
  background: var(--ink);
}

.closing-panel h2 {
  max-width: 850px;
}

.closing-action {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 16px;
}

.closing-action > span {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
}

.closing-action > span small {
  color: #85858c;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.closing-action strong {
  font-family: var(--display);
  font-size: 64px;
  letter-spacing: -0.06em;
  line-height: 0.85;
}

.closing-action small {
  color: #909096;
  font-size: 10px;
  text-align: center;
}

.site-footer {
  max-width: var(--page);
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  align-items: end;
  gap: 40px;
  margin: 0 auto;
  padding: 48px var(--gutter) 58px;
  color: #9a9aa0;
  background: #101012;
  border-top: 1px solid #333337;
}

.site-footer > img {
  width: 126px;
  filter: brightness(0) invert(1);
}

.site-footer > p {
  max-width: 410px;
  font-size: 11px;
  line-height: 1.6;
}

.footer-links {
  display: flex;
  gap: 20px;
  font-size: 10px;
}

.footer-links a:hover {
  color: var(--white);
}

.mobile-buy-bar {
  display: none;
}

.media-dialog,
.checkout-dialog {
  padding: 0;
  color: var(--white);
  background: var(--ink);
  border: 1px solid #4d4d53;
}

.media-dialog {
  width: min(960px, calc(100vw - 32px));
}

.media-dialog::backdrop,
.checkout-dialog::backdrop {
  background: rgba(10, 10, 12, 0.86);
}

.dialog-head {
  min-height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 0 20px;
  border-bottom: 1px solid #444449;
}

.dialog-head strong {
  font-family: var(--display);
  font-size: 16px;
}

.dialog-head button,
.dialog-close {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  color: var(--white);
  background: transparent;
  border: 1px solid #53535a;
}

.dialog-video {
  aspect-ratio: 16 / 9;
}

.dialog-video iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.checkout-dialog {
  width: min(560px, calc(100vw - 32px));
  padding: 54px;
}

.dialog-close {
  position: absolute;
  top: 14px;
  right: 14px;
}

.checkout-dialog h2 {
  margin-top: 18px;
  font-family: var(--display);
  font-size: 42px;
  letter-spacing: -0.045em;
  line-height: 1;
}

.checkout-dialog > p:not(.eyebrow) {
  margin-top: 22px;
  color: #a8a8ad;
  font-size: 13px;
  line-height: 1.6;
}

.checkout-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin: 28px 0;
  padding: 20px 0;
  border-top: 1px solid #444449;
  border-bottom: 1px solid #444449;
  font-size: 12px;
}

.checkout-summary strong {
  font-family: var(--display);
  font-size: 28px;
}

.js .reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 520ms ease var(--reveal-delay, 0ms), transform 520ms ease var(--reveal-delay, 0ms);
}

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

@media (max-width: 1100px) {
  .site-header {
    grid-template-columns: auto 1fr auto;
  }

  .desktop-nav {
    justify-content: center;
    gap: 18px;
  }

  .hero {
    grid-template-columns: minmax(0, 0.94fr) minmax(440px, 1.06fr);
    gap: 42px;
  }

  .hero h1 {
    font-size: clamp(50px, 5.7vw, 68px);
  }

  .trust-score {
    grid-template-columns: auto 1fr;
  }

  .trust-score > img {
    display: none;
  }

  .decision-section,
  .method-section {
    grid-template-columns: minmax(0, 0.88fr) minmax(430px, 1.12fr);
    gap: 48px;
  }

  .platform-section {
    grid-template-columns: 0.82fr 1.18fr;
  }

  .platform-features {
    grid-template-columns: 1fr;
  }

  .platform-features > div:nth-child(even) {
    padding-left: 0;
    border-left: 0;
  }
}

@media (max-width: 860px) {
  .site-header {
    height: 76px;
    grid-template-columns: 1fr auto;
  }

  .site-header.is-compact {
    height: 68px;
  }

  .desktop-nav {
    display: none;
  }

  .brand {
    width: 112px;
  }

  .hero,
  .decision-section,
  .method-section,
  .platform-section,
  .certification-layout,
  .offer-section,
  .faq-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 0;
    padding-top: 62px;
  }

  .hero-copy {
    max-width: 760px;
  }

  .hero h1 {
    font-size: clamp(54px, 8.4vw, 76px);
  }

  .hero-media {
    margin-top: 8px;
  }

  .trust-score {
    grid-template-columns: auto 1fr;
  }

  .company-logos {
    grid-template-columns: repeat(3, 1fr);
  }

  .company-logos span:nth-child(4) {
    border-left: 0;
  }

  .company-logos span:nth-child(n + 4) {
    border-top: 1px solid var(--gray-300);
  }

  .decision-section {
    padding-top: 82px;
  }

  .decision-copy {
    max-width: 780px;
  }

  .decision-chart {
    height: 390px;
  }

  .transformation-panel,
  .curriculum-block,
  .closing-panel {
    grid-template-columns: 1fr;
  }

  .transformation-panel {
    gap: 40px;
  }

  .method-heading {
    position: static;
  }

  .method-heading > p:last-child {
    max-width: 720px;
  }

  .curriculum-block {
    gap: 38px;
  }

  .platform-media {
    min-height: 560px;
  }

  .platform-copy {
    padding-block: 80px;
  }

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

  .platform-features > div:nth-child(even) {
    padding-left: 20px;
    border-left: 1px solid var(--gray-300);
  }

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

  .reviews-layout {
    grid-template-columns: 0.72fr 1.28fr;
  }

  .certification-layout {
    gap: 52px;
  }

  .certificate-visual {
    width: min(100%, 720px);
  }

  .offer-section,
  .faq-section {
    gap: 56px;
  }

  .offer-checkout {
    width: min(100%, 620px);
  }

  .faq-heading h2 {
    max-width: 700px;
  }

  .closing-panel {
    align-items: start;
  }

  .closing-action {
    width: min(100%, 520px);
  }

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

  .footer-links {
    grid-column: 1 / -1;
  }
}

@media (max-width: 600px) {
  :root {
    --gutter: 20px;
  }

  body {
    padding-bottom: 74px;
  }

  .summer-bar {
    min-height: 42px;
    padding-inline: 0;
    font-size: 9px;
    letter-spacing: 0.07em;
  }

  .summer-track {
    gap: 24px;
    padding-right: 24px;
    animation-duration: 28s;
  }

  .summer-bar strong { padding-inline: 16px; }

  .site-header,
  .site-header.is-compact {
    height: 70px;
    padding-inline: 20px;
  }

  .brand {
    width: 103px;
  }

  .header-buy {
    display: none;
  }

  .hero {
    gap: 38px;
    padding-top: 48px;
    padding-bottom: 56px;
  }

  .eyebrow {
    font-size: 10px;
    letter-spacing: 0.13em;
  }

  .hero h1 {
    margin-top: 18px;
    font-size: clamp(42px, 12.4vw, 56px);
    letter-spacing: -0.065em;
    line-height: 0.94;
  }

  .hero h1 span {
    margin-top: 10px;
  }

  .hero-lead {
    margin-top: 22px;
    font-size: 16px;
    line-height: 1.48;
  }

  .hero-facts {
    margin-top: 28px;
  }

  .hero-facts li {
    min-height: 60px;
    justify-content: center;
    gap: 7px;
    padding: 10px 6px;
  }

  .hero-facts li + li {
    padding-left: 6px;
  }

  .hero-facts i {
    font-size: 19px;
  }

  .hero-facts strong {
    font-size: 10px;
    white-space: nowrap;
  }

  .hero-facts small {
    display: none;
  }

  .hero-purchase {
    gap: 10px;
    margin-top: 22px;
  }

  .hero-price {
    min-width: 132px;
  }

  .hero-price strong {
    font-size: 32px;
  }

  .hero-price small {
    font-size: 10px;
  }

  .hero-purchase .button {
    flex: 1;
    min-height: 54px;
    padding-inline: 16px;
    font-size: 13px;
  }

  .purchase-note {
    font-size: 9px;
  }

  .video-frame {
    margin-inline: -20px;
    border-inline: 0;
  }

  .video-play {
    top: 18px;
    left: 20px;
    gap: 11px;
  }

  .play-circle {
    width: 56px;
    height: 56px;
    flex-basis: 56px;
  }

  .play-circle i {
    font-size: 22px;
  }

  .video-play strong {
    font-size: 16px;
  }

  .video-play > span:last-child {
    gap: 4px;
    font-size: 10px;
  }

  .video-badge {
    padding: 9px 11px;
    font-size: 8px;
  }

  .video-caption {
    align-items: flex-start;
    font-size: 8px;
  }

  .video-caption strong {
    max-width: 190px;
  }

  .trust-section,
  .faculty-section,
  .results-section {
    padding-block: 60px;
  }

  .trust-score {
    grid-template-columns: 1fr;
    gap: 22px;
    margin-top: 48px;
    padding-top: 36px;
    padding-bottom: 0;
  }

  .score-number strong {
    font-size: 112px;
  }

  .score-number span {
    padding-bottom: 7px;
    font-size: 18px;
  }

  .score-copy {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 7px 14px;
    align-items: center;
  }

  .score-copy .stars {
    grid-row: 1 / 3;
    display: grid;
    grid-template-columns: repeat(5, 14px);
    gap: 2px;
  }

  .score-copy .stars i {
    font-size: 14px;
  }

  .score-copy h2 {
    margin-top: 0;
    font-size: 27px;
  }

  .score-copy p {
    margin-top: 0;
    font-size: 11px;
  }

  .trust-metrics {
    margin-top: 34px;
  }

  .trust-metrics > div {
    min-height: 108px;
    padding: 18px 10px;
  }

  .trust-metrics strong {
    font-size: clamp(29px, 9vw, 38px);
  }

  .trust-metrics span {
    max-width: 94px;
    font-size: 8px;
    line-height: 1.25;
  }

  .trust-intro h2 {
    font-size: 34px;
  }

  .company-proof {
    margin-top: 40px;
  }

  .company-proof > p {
    font-size: 18px;
  }

  .company-logos {
    grid-template-columns: repeat(2, 1fr);
    margin-top: 24px;
  }

  .company-logos span {
    min-height: 94px;
    padding: 21px 16px;
  }

  .company-logos span:nth-child(odd) {
    border-left: 0;
  }

  .company-logos span:nth-child(even) {
    border-left: 1px solid var(--gray-300);
  }

  .company-logos span:nth-child(n + 3) {
    border-top: 1px solid var(--gray-300);
  }

  .company-logos img {
    width: min(100%, 132px);
    max-height: 44px;
  }

  .decision-section,
  .method-section,
  .platform-copy,
  .offer-section {
    padding-top: 60px;
    padding-bottom: 60px;
  }

  .decision-copy h2,
  .method-heading h2,
  .platform-copy h2,
  .faculty-head h2,
  .results-heading h2,
  .offer-copy h2,
  .faq-heading h2,
  .closing-panel h2 {
    margin-top: 15px;
    font-size: clamp(39px, 11vw, 50px);
  }

  .large-copy {
    font-size: 20px;
  }

  .decision-copy > .large-copy {
    margin-top: 22px;
  }

  .diagnostic-list {
    margin-top: 28px;
  }

  .diagnostic-list > div {
    grid-template-columns: 32px 1fr;
    gap: 12px;
    padding: 17px 0;
  }

  .diagnostic-list p {
    font-size: 16px;
  }

  .decision-visual,
  .method-workspace {
    margin-inline: -20px;
    border-inline: 0;
  }

  .decision-chart {
    height: 296px;
  }

  .chart-controls button {
    min-height: 39px;
    padding-inline: 2px;
    font-size: 7px;
    letter-spacing: 0;
  }

  .chart-insight {
    min-height: 90px;
    grid-template-columns: 78px 1fr;
    padding: 16px 20px;
  }

  .chart-insight p {
    font-size: 16px;
  }

  .transformation-panel {
    gap: 26px;
    margin-top: 54px;
    padding-top: 48px;
    padding-bottom: 48px;
  }

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

  .transformation-grid > div {
    min-height: 58px;
    grid-template-columns: 1fr 24px 1fr;
    gap: 8px;
  }

  .transformation-grid span {
    font-size: 11px;
  }

  .transformation-grid strong {
    font-size: 14px;
  }

  .method-section {
    gap: 42px;
  }

  .method-heading > p:last-child {
    margin-top: 22px;
    font-size: 15px;
  }

  .method-chart {
    height: 258px;
  }

  .method-detail {
    min-height: 120px;
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 20px;
  }

  .method-detail span {
    grid-row: auto;
  }

  .method-detail strong {
    font-size: 18px;
  }

  .curriculum-block {
    margin-top: 16px;
    padding-top: 48px;
  }

  .curriculum-title h3 {
    font-size: 36px;
  }

  .module-list {
    grid-template-columns: 1fr;
  }

  .module-list details:nth-child(odd) {
    border-right: 0;
  }

  .module-list summary {
    min-height: 58px;
    padding-inline: 4px;
  }

  .module-list summary strong {
    font-size: 14px;
  }

  .module-list details > p {
    padding: 0 8px 19px 46px;
  }

  .platform-media {
    min-height: 330px;
  }

  .platform-copy > .large-copy {
    margin-top: 22px;
  }

  .platform-features {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 32px;
  }

  .platform-features > div,
  .platform-features > div:nth-child(even) {
    min-height: 112px;
    padding: 16px 10px 16px 0;
    border-left: 0;
  }

  .platform-features > div:nth-child(even) {
    padding-left: 12px;
    border-left: 1px solid var(--gray-300);
  }

  .platform-features span {
    font-size: 9px;
  }

  .platform-features strong {
    font-size: 13px;
  }

  .harvard-note {
    grid-template-columns: 112px 1fr;
    gap: 15px;
    margin-top: 28px;
  }

  .harvard-note img {
    width: 105px;
  }

  .faculty-head > p:last-child {
    margin-top: 18px;
    font-size: 14px;
  }

  .faculty-grid {
    margin-top: 38px;
  }

  .faculty-card > img {
    aspect-ratio: 1 / 0.94;
  }

  .faculty-card-transparent > img {
    padding: 8px 8px 0;
  }

  .faculty-card > div {
    min-height: 78px;
    gap: 5px;
    padding: 13px 11px;
  }

  .faculty-card strong {
    font-size: 16px;
    line-height: 1.1;
  }

  .faculty-card span {
    font-size: 8px;
    line-height: 1.3;
  }

  .faculty-logos { gap: 8px; min-height: 22px; }
  .faculty-logos img { width: 78px; max-width: 78px; height: 24px; }

  .reviews-layout {
    grid-template-columns: 1fr;
    margin-top: 38px;
  }

  .review-score {
    min-height: 320px;
    padding: 32px;
  }

  .review-score > strong {
    font-size: 112px;
  }

  .review-score > img {
    width: 190px;
  }

  .testimonial-stage {
    min-height: 380px;
  }

  .testimonial {
    padding: 36px 28px;
  }

  .testimonial blockquote {
    font-size: 35px;
  }

  .testimonial-person {
    padding-bottom: 55px;
  }

  .testimonial-controls {
    right: 24px;
    bottom: 22px;
  }

  .certification-layout {
    gap: 40px;
    margin-top: 58px;
    padding-top: 50px;
  }

  .certificate-copy h3 {
    font-size: 44px;
  }

  .certificate-copy > p:not(.eyebrow) {
    font-size: 19px;
  }

  .evaluation-head {
    margin-top: 32px;
  }

  .certification-chart {
    height: 105px;
  }

  .evaluation-legend > div {
    grid-template-columns: 10px 1fr;
    padding-right: 5px;
  }

  .evaluation-legend > div + div {
    padding-left: 7px;
  }

  .evaluation-legend strong {
    font-size: 16px;
  }

  .evaluation-legend p {
    font-size: 8px;
  }

  .offer-section {
    gap: 42px;
  }

  .summer-mark {
    margin-bottom: 23px;
  }

  .offer-includes {
    margin-top: 30px;
  }

  .offer-includes li {
    font-size: 12px;
  }

  .offer-checkout {
    width: auto;
    margin-inline: -20px;
    padding: 38px 20px 32px;
    border-inline: 0;
  }

  .deadline-stamp {
    top: 20px;
    right: 20px;
  }

  .offer-price strong {
    font-size: 90px;
  }

  .after-payment {
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    padding-top: 30px;
  }

  .after-payment > i {
    display: none;
  }

  .after-payment > div {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .after-payment > div > span {
    grid-row: auto;
    font-size: 20px;
  }

  .after-payment strong {
    font-size: 14px;
  }

  .after-payment p {
    font-size: 8px;
    line-height: 1.35;
  }

  .faq-section {
    gap: 38px;
    padding-top: 66px;
  }

  .faq-list summary {
    min-height: 64px;
    font-size: 15px;
  }

  .faq-list details > p {
    font-size: 12px;
  }

  .closing-panel {
    gap: 34px;
    margin-top: 54px;
    padding-top: 54px;
    padding-bottom: 56px;
  }

  .closing-action strong {
    font-size: 56px;
  }

  .site-footer {
    grid-template-columns: 1fr;
    gap: 24px;
    padding-top: 40px;
    padding-bottom: 40px;
  }

  .footer-links {
    grid-column: auto;
    flex-wrap: wrap;
  }

  .mobile-buy-bar {
    position: fixed;
    z-index: 100;
    right: 0;
    bottom: 0;
    left: 0;
    height: 74px;
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 14px;
    padding: 10px 14px 10px 20px;
    color: var(--white);
    background: var(--ink);
    border-top: 1px solid #444449;
    transform: translateY(110%);
    transition: transform 200ms ease;
  }

  .mobile-buy-bar.is-visible {
    transform: translateY(0);
  }

  .mobile-buy-bar > div {
    display: flex;
    flex-direction: column;
    gap: 2px;
  }

  .mobile-buy-bar span {
    color: #9a9aa0;
    font-size: 8px;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
  }

  .mobile-buy-bar strong {
    font-family: var(--display);
    font-size: 28px;
    line-height: 1;
  }

  .mobile-buy-bar button {
    height: 50px;
    padding: 0 20px;
    color: var(--white);
    background: var(--red);
    border: 1px solid var(--red);
    font-size: 12px;
    font-weight: 800;
  }

  .checkout-dialog {
    padding: 48px 24px 26px;
  }

  .checkout-dialog h2 {
    font-size: 34px;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

/* Final override: must stay last. */
.faculty-card-transparent > img {
  background: #b9cbe1 !important;
}

@media (min-width: 861px) and (max-height: 820px) {
  .hero {
    min-height: auto !important;
    grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr) !important;
    gap: clamp(28px, 4vw, 52px) !important;
    padding-top: 30px !important;
    padding-bottom: 32px !important;
  }

  .hero h1 {
    margin-top: 14px !important;
    font-size: clamp(38px, 4.3vw, 58px) !important;
    line-height: 0.94 !important;
  }

  .hero h1 span {
    margin-top: 8px !important;
  }

  .hero-lead {
    max-width: 590px !important;
    margin-top: 16px !important;
    font-size: clamp(14px, 1.05vw, 17px) !important;
    line-height: 1.38 !important;
  }

  .hero-facts {
    margin-top: 18px !important;
  }

  .hero-facts li {
    padding-top: 12px !important;
    padding-bottom: 12px !important;
  }

  .hero-purchase {
    margin-top: 18px !important;
  }

  .video-frame {
    max-width: 560px !important;
    margin-left: auto !important;
  }
}

@media (max-width: 600px) {
  .method-workspace {
    margin-inline: 0 !important;
    overflow: hidden !important;
  }

  .method-chart {
    height: 230px !important;
  }

  .method-chart canvas,
  .method-chart > div {
    max-width: 100% !important;
  }

  .visual-topline {
    min-height: 44px !important;
    padding-inline: 16px !important;
  }

  .chart-controls {
    grid-template-columns: repeat(5, minmax(0, 1fr)) !important;
  }

  .chart-controls button {
    min-height: 40px !important;
    font-size: 7px !important;
  }
}

/* Live final polish: keep this last so the sales page stays aligned after the checkout pass. */
.trust-intro.reveal {
  opacity: 1;
  transform: none;
}

.animated-number {
  display: inline-block;
  color: var(--red);
  transform: translateZ(0);
}

.hero-media {
  display: flex !important;
  flex-direction: column !important;
  justify-content: center !important;
  gap: 14px !important;
}

.hero-harvard-proof {
  width: min(100%, 640px) !important;
  margin: 0 auto 6px !important;
  padding: 10px 14px !important;
  grid-template-columns: 132px 1fr !important;
  gap: 18px !important;
  background: rgba(255,255,255,0.045) !important;
  border: 1px solid rgba(255,255,255,0.18) !important;
}

.hero-harvard-proof img {
  width: 128px !important;
  max-height: 52px !important;
  object-fit: contain !important;
}

.hero-harvard-proof span {
  font-size: 14px !important;
  font-weight: 800 !important;
  line-height: 1.15 !important;
}

.video-frame {
  max-width: 640px !important;
  margin-inline: auto !important;
  border-color: rgba(255,255,255,0.22) !important;
  box-shadow: 0 0 0 1px rgba(255,255,255,0.08), 0 0 0 0 rgba(239,50,50,0);
  animation: videoBorderPulse 2.8s ease-in-out infinite;
}

.video-frame::after {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
  border: 2px solid rgba(239,50,50,0.78);
  opacity: 0;
  transform: scale(0.986);
  animation: videoFrameTrace 2.8s ease-in-out infinite;
}

.video-caption {
  max-width: 640px !important;
  width: 100% !important;
  margin-inline: auto !important;
}

.harvard-note {
  grid-template-columns: 210px 1fr !important;
  gap: 30px !important;
  padding: 26px 0 !important;
}

.harvard-note img {
  width: 198px !important;
  max-height: 76px !important;
}

.harvard-note p {
  max-width: 640px !important;
  font-size: 16px !important;
  font-weight: 750 !important;
  line-height: 1.42 !important;
}

.faculty-card-transparent > img {
  background: #b9cbe1 !important;
  object-fit: contain !important;
  padding: 0 6px !important;
  transform: scale(1.14);
  transform-origin: center bottom;
}

.evaluation-legend strong {
  font-size: clamp(42px, 4.1vw, 60px) !important;
  line-height: 0.9 !important;
}

.evaluation-legend p {
  margin-top: 6px !important;
  font-size: 13px !important;
}

.faq-section {
  grid-template-columns: 1fr !important;
  gap: 46px !important;
}

.faq-heading {
  max-width: 760px !important;
  margin-inline: auto !important;
  text-align: center !important;
}

.faq-heading h2 {
  max-width: none !important;
}

.faq-list {
  width: min(100%, 760px) !important;
  margin-inline: auto !important;
}

.testimonial blockquote {
  font-size: clamp(32px, 4vw, 56px) !important;
}

@media (min-width: 861px) {
  .summer-bar {
    min-height: 48px !important;
  }

  .site-header {
    min-height: 92px !important;
  }

  .site-header.is-compact {
    min-height: 74px !important;
  }

  .brand {
    width: 136px !important;
  }

  .hero {
    min-height: calc(100vh - 140px) !important;
  }
}

@media (min-width: 861px) and (max-height: 820px) {
  .hero {
    min-height: calc(100vh - 140px) !important;
    padding-top: clamp(20px, 3vh, 34px) !important;
    padding-bottom: clamp(22px, 3vh, 36px) !important;
  }

  .hero h1 {
    font-size: clamp(38px, 4vw, 56px) !important;
  }

  .hero-harvard-proof {
    padding-block: 8px !important;
  }

  .video-frame {
    max-width: 600px !important;
  }
}

@media (max-width: 700px) {
  .hero-harvard-proof {
    grid-template-columns: 1fr !important;
    gap: 8px !important;
  }

  .hero-harvard-proof img {
    width: 150px !important;
  }

  .harvard-note {
    grid-template-columns: 1fr !important;
  }

  .faculty-card-transparent > img {
    transform: scale(1.07);
  }
}

/* Micro-ajustes de revisión: marcos iguales, avatares limpios y CTA con vida. */
.faculty-grid {
  align-items: stretch !important;
}

.faculty-card {
  display: grid !important;
  grid-template-rows: minmax(0, 1fr) auto !important;
}

.faculty-card > img {
  width: 100% !important;
  aspect-ratio: 1 / 0.9 !important;
  object-fit: cover !important;
}

.faculty-card-transparent > img {
  background: #b9cbe1 !important;
  object-fit: contain !important;
  padding: 8px 10px 0 !important;
  transform: scale(1.03) !important;
  transform-origin: center bottom !important;
}

.testimonial-avatar {
  display: grid;
  width: 58px;
  height: 58px;
  flex: 0 0 58px;
  place-items: center;
  color: var(--red);
  background: var(--white);
  border: 1px solid rgba(255,255,255,0.55);
  font-size: 16px;
  font-weight: 900;
}

.testimonial-person {
  align-items: center !important;
}

.evaluation-legend {
  text-align: center !important;
}

.evaluation-legend > div {
  justify-items: center !important;
  grid-template-columns: 1fr !important;
}

.legend-dot {
  margin: 0 auto 8px !important;
}

.offer-checkout .button-red {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  animation: reserveButtonPulse 2.4s ease-in-out infinite;
}

.offer-checkout .button-red::after {
  position: absolute;
  inset: 0;
  z-index: -1;
  content: "";
  background: linear-gradient(110deg, transparent 0%, rgba(255,255,255,0.22) 42%, transparent 62%);
  transform: translateX(-120%);
  animation: reserveButtonShine 3.2s ease-in-out infinite;
}

@keyframes reserveButtonPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(239,50,50,0.28), 0 18px 34px rgba(0,0,0,0.18); }
  50% { box-shadow: 0 0 0 8px rgba(239,50,50,0.12), 0 20px 40px rgba(0,0,0,0.22); }
}

@keyframes reserveButtonShine {
  0%, 36% { transform: translateX(-120%); }
  70%, 100% { transform: translateX(120%); }
}

@media (min-width: 861px) {
  .faculty-card > div {
    min-height: 92px !important;
  }
}

@media (max-width: 700px) {
  .faculty-card-transparent > img {
    transform: scale(1) !important;
  }
}

/* Mobile-only polish: stronger motion and clearer platform proof. */
@media (max-width: 700px) {
  .trust-intro.reveal {
    opacity: 0;
    transform: translateY(24px);
  }

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

  .animated-number {
    min-width: 2.45em;
    text-align: right;
  }

  .platform-copy.reveal.is-visible .platform-features > div {
    animation: mobileFeatureRise 560ms ease both;
  }

  .platform-copy.reveal.is-visible .platform-features > div:nth-child(2) {
    animation-delay: 90ms;
  }

  .platform-copy.reveal.is-visible .platform-features > div:nth-child(3) {
    animation-delay: 180ms;
  }

  .platform-copy.reveal.is-visible .platform-features > div:nth-child(4) {
    animation-delay: 270ms;
  }

  .platform-features > div,
  .platform-features > div:nth-child(even) {
    grid-template-columns: 42px 1fr !important;
    gap: 14px !important;
    min-height: 128px !important;
    padding: 18px 12px !important;
  }

  .platform-features i {
    font-size: 30px !important;
  }

  .platform-features span {
    font-size: 12px !important;
    line-height: 1.4 !important;
  }

  .platform-features strong {
    margin-bottom: 8px !important;
    font-size: 16px !important;
    line-height: 1.12 !important;
  }

  .harvard-note {
    width: 100% !important;
    box-sizing: border-box !important;
    grid-template-columns: 142px minmax(0, 1fr) !important;
    align-items: center !important;
    gap: 16px !important;
    padding: 18px 0 !important;
  }

  .harvard-note img {
    width: 136px !important;
    min-height: 72px !important;
    max-height: 78px !important;
    object-fit: contain !important;
  }

  .harvard-note p {
    font-size: 14px !important;
    line-height: 1.28 !important;
  }

  .platform-copy.reveal.is-visible .harvard-note {
    animation: mobileProofPop 620ms ease 180ms both;
  }

  .faculty-card.reveal.is-visible,
  .review-score.reveal.is-visible,
  .testimonial-stage.reveal.is-visible,
  .certificate-visual.reveal.is-visible,
  .offer-checkout.reveal.is-visible {
    animation: mobileSectionLift 620ms ease both;
  }

  .faculty-section.reveal,
  .faculty-head.reveal,
  .results-heading.reveal,
  .certificate-copy.reveal,
  .offer-copy.reveal {
    transition-duration: 680ms !important;
  }
}

@media (max-width: 430px) {
  .harvard-note {
    grid-template-columns: 124px minmax(0, 1fr) !important;
    gap: 12px !important;
  }

  .harvard-note img {
    width: 118px !important;
  }

  .harvard-note p {
    font-size: 13px !important;
  }
}

@keyframes mobileSectionLift {
  from {
    opacity: 0;
    transform: translateY(22px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes mobileFeatureRise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes mobileProofPop {
  from {
    opacity: 0;
    transform: translateY(16px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}