:root {
  --red: #ff4338;
  --red-dark: #d92e27;
  --ink: #15191f;
  --muted: #5c6673;
  --line: #dfe3e8;
  --paper: #ffffff;
  --soft: #f4f7f9;
  --blue: #4d65cc;
  --gold: #f2d58e;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.55;
  letter-spacing: 0;
}

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

a {
  color: inherit;
}

.site-header {
  align-items: center;
  background: var(--paper);
  display: flex;
  justify-content: space-between;
  min-height: 86px;
  padding: 14px max(24px, calc((100vw - var(--max)) / 2));
}

.brand {
  color: var(--ink);
  display: flex;
  flex-direction: column;
  font-size: 20px;
  font-weight: 850;
  line-height: .9;
  text-decoration: none;
}

.header-cta {
  border-bottom: 2px solid var(--red);
  font-size: 14px;
  font-weight: 800;
  padding: 8px 0 5px;
  text-decoration: none;
}

.hero {
  background: var(--red);
  color: white;
  min-height: min(760px, calc(100vh - 86px));
  overflow: hidden;
  position: relative;
}

.hero-art {
  height: min(760px, calc(100vh - 86px));
  object-fit: cover;
  object-position: 50% 38%;
  opacity: .13;
  position: absolute;
  right: -3%;
  top: 0;
  width: min(58vw, 760px);
}

.hero::after {
  background: rgba(21, 25, 31, .08);
  content: "";
  inset: auto 0 0;
  height: 1px;
  position: absolute;
}

.hero-inner {
  align-items: flex-start;
  display: flex;
  flex-direction: column;
  justify-content: center;
  margin: 0 auto;
  min-height: inherit;
  padding: 72px 24px;
  position: relative;
  width: min(100%, var(--max));
  z-index: 1;
}

.eyebrow {
  font-size: 13px;
  font-weight: 850;
  margin: 0 0 20px;
  text-transform: uppercase;
}

.eyebrow.red {
  color: var(--red-dark);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  font-size: clamp(44px, 6.3vw, 84px);
  font-weight: 850;
  line-height: .99;
  margin-bottom: 28px;
  max-width: 970px;
}

h2 {
  font-size: clamp(30px, 3.2vw, 43px);
  font-weight: 830;
  line-height: 1.03;
  margin-bottom: 22px;
}

h3 {
  font-size: 23px;
  line-height: 1.15;
  margin-bottom: 14px;
}

.hero-copy {
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.5;
  margin-bottom: 34px;
  max-width: 780px;
}

.button {
  align-items: center;
  border: 2px solid currentColor;
  border-radius: 4px;
  display: inline-flex;
  font-size: 15px;
  font-weight: 850;
  justify-content: center;
  min-height: 50px;
  padding: 12px 20px;
  text-decoration: none;
}

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

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

.proof-band {
  background: var(--ink);
  color: white;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  margin: 0;
  padding: 0 max(24px, calc((100vw - var(--max)) / 2));
  position: relative;
}

.proof-item {
  border-right: 1px solid rgba(255, 255, 255, .17);
  min-height: 78px;
  padding: 12px 14px 20px;
}

.proof-item:first-child {
  border-left: 1px solid rgba(255, 255, 255, .17);
}

.proof-item strong {
  color: var(--gold);
  display: block;
  font-size: clamp(20px, 1.7vw, 25px);
  line-height: 1;
  margin-bottom: 5px;
}

.proof-item span {
  color: rgba(255, 255, 255, .82);
  display: block;
  font-size: 10px;
  line-height: 1.35;
}

.proof-source {
  bottom: 5px;
  color: rgba(255, 255, 255, .53);
  font-size: 9px;
  left: max(24px, calc((100vw - var(--max)) / 2 + 24px));
  margin: 0;
  position: absolute;
}

.section {
  margin: 0 auto;
  padding: 78px 24px;
  width: min(100%, calc(var(--max) + 48px));
}

.section-heading {
  margin-bottom: 40px;
}

.section-heading.narrow {
  max-width: 860px;
}

.section-heading > p:not(.eyebrow) {
  color: var(--muted);
  font-size: 17px;
  max-width: 790px;
}

.authority-section {
  display: block;
  max-width: 1100px;
  padding-bottom: 48px;
}

.authority-section::after {
  clear: both;
  content: "";
  display: table;
}

.authority-image-wrap {
  aspect-ratio: 1 / 1;
  background: var(--soft);
  float: left;
  margin: 0 46px 24px 0;
  max-width: 360px;
  overflow: hidden;
  width: 35%;
}

.authority-image-wrap img {
  height: 100%;
  object-fit: cover;
  object-position: 52% 48%;
  width: 100%;
}

.authority-copy > p:not(.eyebrow) {
  color: var(--muted);
  font-size: 16px;
}

.authority-points {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
}

.authority-points li {
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.35;
  padding: 10px 16px 10px 0;
}

.authority-points li:nth-child(even) {
  border-left: 1px solid var(--line);
  padding-left: 16px;
}

.audience-section {
  border-top: 1px solid var(--line);
  padding-bottom: 44px;
  padding-top: 48px;
}

.audience-section .section-heading {
  margin-bottom: 28px;
}

.audience-groups {
  border-bottom: 1px solid var(--line);
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.audience-groups article {
  min-height: 165px;
  padding: 22px 24px 24px 0;
}

.audience-groups article + article {
  border-left: 1px solid var(--line);
  padding-left: 24px;
}

.group-number,
.partnership-number {
  color: var(--red-dark);
  display: block;
  font-size: 13px;
  font-weight: 850;
  margin-bottom: 18px;
}

.audience-groups p {
  color: var(--muted);
  font-size: 15px;
  margin-bottom: 0;
}

.geo-block {
  align-items: center;
  background: var(--ink);
  color: white;
  display: grid;
  gap: 32px;
  grid-template-columns: minmax(260px, .7fr) minmax(520px, 1.3fr);
  margin-top: 30px;
  overflow: hidden;
  padding: 30px;
}

.geo-copy h3 {
  font-size: clamp(26px, 2.6vw, 36px);
}

.geo-copy p:last-child {
  color: rgba(255, 255, 255, .72);
  margin-bottom: 0;
}

.map-wrap {
  min-height: 245px;
  position: relative;
}

.map-wrap > img {
  display: block;
  filter: grayscale(1);
  opacity: .72;
  width: 100%;
}

.map-label {
  background: white;
  border-left: 4px solid var(--red);
  box-shadow: 0 7px 24px rgba(0, 0, 0, .22);
  color: var(--ink);
  display: flex;
  flex-direction: column;
  min-width: 142px;
  padding: 10px 13px;
  position: absolute;
}

.map-label strong {
  font-size: 25px;
  line-height: 1;
}

.map-label span {
  font-size: 12px;
  font-weight: 750;
  margin-top: 5px;
}

.map-na { left: 7%; top: 23%; }
.map-eu { left: 48%; top: 15%; }
.map-apac { right: 3%; top: 53%; }

.ecosystem-section {
  background: var(--soft);
  max-width: none;
  padding-left: max(24px, calc((100vw - 1320px) / 2));
  padding-right: max(24px, calc((100vw - 1320px) / 2));
  padding-bottom: 54px;
  padding-top: 48px;
  width: 100%;
}

.ranking-line {
  align-items: center;
  color: var(--ink) !important;
  display: flex;
  flex-wrap: wrap;
  font-size: 15px !important;
  gap: 12px;
  margin-top: 22px;
}

.ranking-line span {
  color: var(--red);
}

.chart-grid {
  display: grid;
  gap: 28px;
  grid-template-columns: 1fr;
  margin: 0 auto;
  max-width: 1120px;
}

.chart-frame {
  background: white;
  border: 1px solid #cfd5dc;
  box-shadow: 0 12px 32px rgba(21, 25, 31, .08);
  margin: 0;
  overflow: hidden;
}

.chart-frame img {
  height: auto;
  width: 100%;
}

.trust-section {
  padding-bottom: 0;
  padding-top: 42px;
}

.trust-section .section-heading {
  margin-bottom: 28px;
}

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

.trust-stats > div {
  min-height: 98px;
  padding: 17px 22px 17px 0;
}

.trust-stats > div + div {
  border-left: 1px solid var(--line);
  padding-left: 34px;
}

.trust-stats strong {
  display: block;
  font-size: clamp(20px, 1.7vw, 24px);
  line-height: 1;
  margin-bottom: 7px;
}

.trust-stats span {
  color: var(--muted);
  display: block;
  font-size: 12px;
  max-width: 280px;
}

.light-load {
  align-items: start;
  background: var(--red);
  color: white;
  display: grid;
  gap: 28px;
  grid-template-columns: .9fr 1.1fr;
  margin: 0;
  padding: 26px max(24px, calc((100vw - var(--max)) / 2));
  width: 100%;
}

.light-load h3 {
  font-size: clamp(24px, 2.3vw, 31px);
  margin: 0;
}

.light-load p {
  font-size: 14px;
  margin: 0;
}

.brand-wall {
  background: var(--ink);
  color: white;
  margin-top: 0;
  padding: 48px max(24px, calc((100vw - var(--max)) / 2));
}

.brand-wall > p {
  color: rgba(255, 255, 255, .62);
  font-size: 13px;
  font-weight: 800;
  margin-bottom: 28px;
  text-transform: uppercase;
}

.brand-grid {
  align-items: center;
  display: grid;
  gap: 34px 42px;
  grid-template-columns: repeat(6, minmax(110px, 1fr));
}

.wordmark {
  align-items: center;
  color: white;
  display: inline-flex;
  font-size: 19px;
  font-weight: 800;
  justify-content: center;
  line-height: 1;
  min-height: 42px;
  opacity: .86;
  text-align: center;
}

.wordmark img {
  filter: brightness(0) invert(1);
  height: 24px;
  margin-right: 8px;
  width: 24px;
}

.wordmark small {
  font-size: 11px;
  font-weight: 650;
}

.masterclass { font-family: Georgia, serif; font-style: italic; }
.babbel { font-size: 25px; font-weight: 900; }
.stanford { font-family: Georgia, serif; line-height: .9; }
.strawberry { font-weight: 650; }
.superhuman { font-size: 15px; }
.scribe { font-size: 25px; font-weight: 900; }

.partnership-section h2 {
  font-size: clamp(34px, 4vw, 54px);
}

.partnership-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.partnership-card {
  border: 1px solid var(--line);
  border-top: 6px solid var(--ink);
  padding: 32px;
}

.partnership-card.featured {
  border-top-color: var(--red);
}

.partnership-card .partnership-number {
  margin-bottom: 42px;
}

.partnership-card > p {
  color: var(--muted);
  min-height: 112px;
}

.partnership-card ul {
  border-top: 1px solid var(--line);
  list-style: none;
  margin: 26px 0 0;
  padding: 18px 0 0;
}

.partnership-card li {
  color: #39414b;
  font-size: 14px;
  padding: 8px 0 8px 18px;
  position: relative;
}

.partnership-card li::before {
  background: var(--red);
  content: "";
  height: 5px;
  left: 0;
  position: absolute;
  top: 16px;
  width: 5px;
}

.final-cta {
  align-items: end;
  background: var(--red);
  color: white;
  display: grid;
  gap: 70px;
  grid-template-columns: minmax(0, 1fr) auto;
  padding: 76px max(24px, calc((100vw - var(--max)) / 2));
}

.final-cta h2 {
  max-width: 800px;
}

.final-cta p:not(.eyebrow) {
  font-size: 18px;
  margin-bottom: 0;
  max-width: 780px;
}

.final-cta .button {
  white-space: nowrap;
}

footer {
  align-items: center;
  background: var(--ink);
  color: white;
  display: flex;
  justify-content: space-between;
  padding: 30px max(24px, calc((100vw - var(--max)) / 2));
}

footer span {
  font-weight: 850;
}

footer a {
  color: rgba(255, 255, 255, .72);
  font-size: 14px;
}

@media (max-width: 980px) {
  .proof-band {
    grid-template-columns: repeat(2, 1fr);
    padding-bottom: 28px;
  }

  .proof-item {
    border-bottom: 1px solid rgba(255, 255, 255, .17);
    min-height: 94px;
  }

  .proof-item:nth-child(odd) {
    border-left: 1px solid rgba(255, 255, 255, .17);
  }

  .authority-section,
  .geo-block,
  .light-load,
  .final-cta {
    grid-template-columns: 1fr;
  }

  .authority-image-wrap {
    aspect-ratio: 1 / 1;
    margin-right: 32px;
    width: 38%;
  }

  .audience-groups,
  .partnership-grid {
    grid-template-columns: 1fr;
  }

  .audience-groups article,
  .audience-groups article + article {
    border-left: 0;
    border-bottom: 1px solid var(--line);
    min-height: 0;
    padding: 22px 0;
  }

  .group-number,
  .partnership-card .partnership-number {
    margin-bottom: 22px;
  }

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

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

  .partnership-card > p {
    min-height: 0;
  }
}

@media (max-width: 640px) {
  .site-header {
    min-height: 72px;
  }

  .hero {
    min-height: calc(100vh - 72px);
  }

  .hero-art {
    height: 60%;
    opacity: .1;
    top: auto;
    width: 100%;
  }

  .hero-inner {
    justify-content: flex-start;
    padding-top: 64px;
  }

  h1 {
    font-size: clamp(40px, 12vw, 60px);
  }

  .hero-copy {
    font-size: 17px;
  }

  .proof-band {
    grid-template-columns: repeat(2, 1fr);
    padding-bottom: 22px;
  }

  .proof-item,
  .proof-item:first-child,
  .proof-item:nth-child(odd) {
    border-left: 1px solid rgba(255, 255, 255, .17);
    min-height: 0;
    padding: 9px 11px;
  }

  .proof-item strong {
    font-size: 19px;
    margin-bottom: 5px;
  }

  .proof-item span {
    font-size: 9px;
  }

  .proof-item:last-of-type {
    grid-column: 1 / -1;
  }

  .proof-source {
    position: static;
    grid-column: 1 / -1;
    padding: 8px 13px 0;
  }

  .section {
    padding-bottom: 52px;
    padding-top: 52px;
  }

  .authority-image-wrap {
    aspect-ratio: 4 / 3;
    float: none;
    margin: 0 0 24px;
    max-width: 280px;
    width: 72%;
  }

  .audience-section,
  .trust-section {
    padding-bottom: 44px;
    padding-top: 44px;
  }

  .ecosystem-section {
    padding-left: 16px;
    padding-right: 16px;
  }

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

  .trust-stats > div,
  .trust-stats > div + div {
    border-bottom: 1px solid var(--line);
    border-left: 0;
    min-height: 84px;
    padding: 12px 10px 12px 0;
  }

  .trust-stats > div:nth-child(even) {
    border-left: 1px solid var(--line);
    padding-left: 14px;
  }

  .trust-stats > div:last-child {
    grid-column: 1 / -1;
  }

  .trust-stats strong {
    font-size: 18px;
  }

  .geo-block {
    margin-left: -24px;
    margin-right: -24px;
    padding: 26px 24px;
  }

  .light-load {
    padding: 26px 24px;
  }

  .geo-block {
    gap: 22px;
  }

  .map-wrap {
    min-height: 210px;
  }

  .map-label {
    min-width: 110px;
    padding: 8px 9px;
  }

  .map-label strong {
    font-size: 20px;
  }

  .map-label span {
    font-size: 10px;
  }

  .map-na { left: 0; top: 15%; }
  .map-eu { left: 40%; top: 4%; }
  .map-apac { right: 0; top: 50%; }

  .ranking-line {
    align-items: flex-start;
    flex-direction: column;
  }

  .ranking-line span {
    display: none;
  }

  .brand-wall {
    margin-top: 52px;
  }

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

  .partnership-card {
    padding: 26px 22px;
  }

  .final-cta {
    gap: 32px;
    padding-bottom: 58px;
    padding-top: 58px;
  }

  .final-cta .button {
    white-space: normal;
  }

  footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }
}

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