:root {
  --bg: #f4efe6;
  --bg-strong: #efe4d4;
  --surface: rgba(255, 251, 245, 0.84);
  --surface-strong: #fffaf3;
  --surface-deep: #17363f;
  --ink: #1f2d33;
  --muted: #5c6a70;
  --line: rgba(23, 54, 63, 0.14);
  --teal: #0e6d73;
  --teal-deep: #0b5056;
  --coral: #d9724b;
  --gold: #d5a04a;
  --sage: #d9e5df;
  --slate: #8ca1ac;
  --shadow-soft: 0 18px 40px rgba(31, 45, 51, 0.08);
  --shadow-strong: 0 30px 80px rgba(12, 34, 39, 0.16);
  --radius-xl: 34px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --content-width: min(1180px, calc(100vw - 40px));
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Source Sans 3", Georgia, serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(14, 109, 115, 0.09), transparent 28%),
    radial-gradient(circle at top right, rgba(217, 114, 75, 0.08), transparent 24%),
    linear-gradient(180deg, #f7f2e9 0%, #f4efe6 42%, #f7f3ec 100%);
}

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

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

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

button {
  border: 0;
  background: none;
  cursor: pointer;
}

.page-shell {
  position: relative;
  overflow: clip;
}

.page-shell::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(23, 54, 63, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 54, 63, 0.035) 1px, transparent 1px);
  background-size: 30px 30px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.22), transparent 78%);
  opacity: 0.55;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: var(--content-width);
  margin: 0 auto;
  padding: 18px 0;
  backdrop-filter: blur(14px);
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 8px -14px;
  z-index: -1;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 999px;
  background: rgba(247, 242, 233, 0.7);
  box-shadow: var(--shadow-soft);
}

.brand {
  display: inline-flex;
  align-items: center;
  line-height: 1;
}

.brand-logo {
  display: block;
  width: 175px;
  height: auto;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.lang-dropdown {
  position: relative;
}

.lang-dropdown-toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 16px;
  border: 1px solid rgba(23, 54, 63, 0.09);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.5);
  color: var(--ink);
  font-weight: 600;
  transition: background-color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.lang-dropdown-toggle:hover,
.lang-dropdown-toggle:focus-visible {
  border-color: rgba(23, 54, 63, 0.18);
  background: rgba(255, 255, 255, 0.78);
  transform: translateY(-1px);
}

.lang-dropdown-icon {
  position: relative;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  border: 1.6px solid currentColor;
  border-radius: 50%;
  opacity: 0.78;
}

.lang-dropdown-icon::before,
.lang-dropdown-icon::after {
  content: "";
  position: absolute;
  inset: 50% auto auto 50%;
  transform: translate(-50%, -50%);
}

.lang-dropdown-icon::before {
  width: 9px;
  height: 16px;
  border: 1.4px solid currentColor;
  border-top: 0;
  border-bottom: 0;
  border-radius: 50%;
}

.lang-dropdown-icon::after {
  width: 16px;
  height: 6px;
  border-top: 1.4px solid currentColor;
  border-bottom: 1.4px solid currentColor;
}

.lang-dropdown-current {
  white-space: nowrap;
}

.lang-dropdown-caret {
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 6px solid currentColor;
  opacity: 0.72;
}

.lang-dropdown-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 200px;
  padding: 8px;
  border: 1px solid rgba(23, 54, 63, 0.1);
  border-radius: 18px;
  background: rgba(255, 251, 245, 0.96);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(12px);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-6px);
  transition: opacity 180ms ease, transform 180ms ease;
}

.lang-dropdown.is-open .lang-dropdown-menu {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.lang-dropdown-item {
  display: block;
  padding: 12px 14px;
  border-radius: 12px;
  color: var(--muted);
  font-weight: 600;
  transition: background-color 180ms ease, color 180ms ease;
}

.lang-dropdown-item:hover,
.lang-dropdown-item:focus-visible {
  background: rgba(14, 109, 115, 0.08);
  color: var(--ink);
}

.lang-dropdown-item.is-current {
  background: rgba(14, 109, 115, 0.12);
  color: var(--teal);
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
  line-height: 1;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background-color 180ms ease,
    color 180ms ease,
    border-color 180ms ease;
}

.header-cta,
.button-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--teal), var(--teal-deep));
  box-shadow: 0 16px 30px rgba(14, 109, 115, 0.22);
}

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

.button-secondary {
  color: var(--ink);
  border: 1px solid rgba(23, 54, 63, 0.14);
  background: rgba(255, 255, 255, 0.58);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  border-color: rgba(23, 54, 63, 0.22);
  background: rgba(255, 255, 255, 0.82);
}

.button-share {
  position: relative;
}

.section {
  width: var(--content-width);
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  gap: 54px;
  align-items: center;
  padding: 58px 0 34px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  color: var(--teal);
  font-size: 0.94rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 30px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
}

.hero-title,
.section-title,
.final-title {
  margin: 0;
  font-family: "Sora", "Trebuchet MS", sans-serif;
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.04em;
}

.hero-title {
  max-width: 11ch;
  font-size: clamp(3.2rem, 6vw, 5.5rem);
}

.hero-title .emphasis {
  color: var(--teal);
}

.hero-copy > p,
.section-intro p,
.tab-copy p,
.classroom-copy p,
.manifesto-copy p,
.faq-intro p,
.final-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 1.18rem;
  line-height: 1.6;
}

.hero-copy > p {
  max-width: 36rem;
}

.hero-actions,
.final-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 26px;
}

.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.hero-proof li {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 11px 16px;
  border: 1px solid rgba(23, 54, 63, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.58);
  color: var(--ink);
  font-weight: 600;
}

.hero-brand-chip {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  max-width: 520px;
  margin-top: 18px;
  padding: 16px 18px;
  border: 1px solid rgba(23, 54, 63, 0.1);
  border-radius: 24px;
  background: rgba(255, 251, 245, 0.72);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(10px);
}

.hero-brand-logo {
  flex: 0 0 auto;
  width: 155px;
  height: auto;
}

.hero-brand-chip p {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.5;
}

.hero-proof li::before,
.bullet-list li::before,
.mini-list li::before,
.classroom-points li::before {
  content: "";
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 35%, #fff, #fff 22%, transparent 24%),
    linear-gradient(135deg, var(--coral), var(--gold));
}

.hero-visual {
  position: relative;
  min-height: 690px;
}

.hero-stage {
  position: relative;
  height: 100%;
}

.hero-figure {
  position: absolute;
  top: 24px;
  right: 0;
  left: 52px;
  overflow: hidden;
  border-radius: 38px;
  background: #d9cec0;
  box-shadow: var(--shadow-strong);
}

.hero-figure img {
  width: 100%;
  height: 100%;
  min-height: 560px;
  object-fit: cover;
}

.floating-card {
  position: absolute;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 26px;
  background: rgba(255, 250, 243, 0.92);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(14px);
  animation: drift 8s ease-in-out infinite;
}

.floating-card--materials {
  top: 0;
  left: 0;
  width: min(330px, 72%);
}

.floating-card--path {
  right: 26px;
  bottom: 148px;
  width: min(296px, 58%);
  animation-delay: -2.2s;
}

.floating-card--context {
  left: 18px;
  bottom: 28px;
  width: min(260px, 52%);
  animation-delay: -4.4s;
}

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 20px 12px;
}

.card-head strong,
.workflow-card h3,
.thinking-panel h3,
.tab-copy h3,
.faq-item summary,
.classroom-copy h3 {
  font-family: "Sora", "Trebuchet MS", sans-serif;
  letter-spacing: -0.03em;
}

.card-head strong {
  font-size: 1rem;
}

.card-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(14, 109, 115, 0.12);
  color: var(--teal);
  font-size: 0.8rem;
  font-weight: 700;
}

.materials-stack,
.workflow-card,
.thinking-panel,
.tab-shell,
.classroom-copy,
.faq-item,
.final-panel,
.manifesto-panel,
.manifesto-note {
  border: 1px solid rgba(23, 54, 63, 0.1);
  background: rgba(255, 251, 245, 0.82);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(10px);
}

.materials-stack {
  padding: 0 18px 18px;
}

.material-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid rgba(23, 54, 63, 0.08);
}

.material-row:first-of-type {
  border-top: 0;
}

.material-icon {
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(14, 109, 115, 0.14), rgba(217, 114, 75, 0.18));
}

.material-copy strong,
.mini-list strong {
  display: block;
  font-size: 1rem;
}

.material-copy span,
.mini-list span,
.micro-note {
  color: var(--muted);
  font-size: 0.96rem;
}

.mini-path {
  padding: 0 20px 18px;
}

.mini-path-rail {
  position: relative;
  display: grid;
  gap: 18px;
  padding: 18px 0 6px;
}

.mini-path-rail::before {
  content: "";
  position: absolute;
  top: 24px;
  bottom: 12px;
  left: 18px;
  width: 2px;
  background: linear-gradient(180deg, rgba(14, 109, 115, 0.32), rgba(217, 114, 75, 0.24));
}

.mini-path-step {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding-left: 8px;
}

.mini-path-step::before {
  content: "";
  position: relative;
  z-index: 1;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 5px solid rgba(255, 250, 243, 1);
  background: linear-gradient(135deg, var(--teal), #4ab1b7);
  box-shadow: 0 0 0 1px rgba(14, 109, 115, 0.18);
}

.mini-path-step span {
  color: var(--ink);
  font-weight: 600;
}

.mini-list {
  padding: 0 20px 18px;
}

.mini-list ul,
.bullet-list,
.classroom-points {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.mini-list li,
.bullet-list li,
.classroom-points li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.manifesto {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
  gap: 24px;
  padding: 28px 0 6px;
}

.manifesto-panel,
.manifesto-note {
  border-radius: var(--radius-xl);
}

.manifesto-panel {
  position: relative;
  padding: 34px 36px;
  background:
    radial-gradient(circle at top right, rgba(217, 114, 75, 0.18), transparent 28%),
    linear-gradient(135deg, rgba(255, 250, 243, 0.95), rgba(239, 228, 212, 0.88));
}

.manifesto-panel::after {
  content: "";
  position: absolute;
  right: 30px;
  bottom: -28px;
  width: 110px;
  height: 110px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(14, 109, 115, 0.18), transparent 68%);
  filter: blur(4px);
}

.manifesto-quote {
  max-width: 21ch;
  margin: 0 0 18px;
  font-family: "Sora", "Trebuchet MS", sans-serif;
  font-size: clamp(2rem, 4vw, 3.4rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.manifesto-note-stack {
  display: grid;
  gap: 16px;
}

.manifesto-note {
  padding: 22px 22px 20px;
}

.manifesto-note strong {
  display: block;
  margin-bottom: 8px;
  font-family: "Sora", "Trebuchet MS", sans-serif;
  font-size: 1rem;
}

.section-head,
.final-copy {
  max-width: 760px;
}

.section-head {
  padding-top: 84px;
}

.section-title {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
}

.section-head p,
.faq-intro p {
  margin-top: 14px;
  color: var(--muted);
  font-size: 1.12rem;
  line-height: 1.62;
}

.workflow-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 20px;
  padding-top: 30px;
}

.workflow-card {
  position: relative;
  min-height: 320px;
  padding: 26px;
  border-radius: var(--radius-xl);
}

.workflow-card::after {
  content: "";
  position: absolute;
  inset: auto 26px 22px;
  height: 1px;
  background: linear-gradient(90deg, rgba(23, 54, 63, 0.08), transparent);
}

.workflow-card--materials {
  grid-column: span 4;
}

.workflow-card--context {
  grid-column: span 4;
  margin-top: 30px;
}

.workflow-card--output {
  grid-column: span 4;
}

.workflow-card h3,
.thinking-panel h3,
.classroom-copy h3,
.faq-item summary {
  margin: 0 0 10px;
  font-size: 1.38rem;
}

.workflow-card p,
.thinking-panel p,
.tab-copy p,
.classroom-copy p,
.faq-item p,
.final-copy p {
  color: var(--muted);
}

.stack-pile {
  display: grid;
  gap: 14px;
  margin-top: 20px;
}

.stack-card {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  padding: 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.72);
}

.stack-card:nth-child(2) {
  transform: translateX(18px);
}

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

.stack-card:nth-child(4) {
  transform: translateX(26px);
}

.stack-thumb {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(14, 109, 115, 0.16), rgba(217, 114, 75, 0.18));
}

.stack-card strong {
  display: block;
  font-size: 1rem;
}

.stack-card span {
  display: block;
  color: var(--muted);
  font-size: 0.95rem;
}

.context-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.context-chip {
  padding: 18px 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.7);
}

.context-chip strong {
  display: block;
  font-size: 0.98rem;
}

.context-chip span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.45;
}

.path-board {
  position: relative;
  min-height: 210px;
  margin-top: 24px;
  border-radius: 22px;
  background:
    radial-gradient(circle at 12% 14%, rgba(14, 109, 115, 0.08), transparent 24%),
    rgba(255, 255, 255, 0.74);
  overflow: hidden;
}

.path-board svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.path-node {
  position: absolute;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 92px;
  height: 48px;
  padding: 0 16px;
  border-radius: 999px;
  font-weight: 700;
  color: #fff;
  box-shadow: 0 14px 26px rgba(23, 54, 63, 0.12);
}

.path-node--1 {
  top: 32px;
  left: 20px;
  background: linear-gradient(135deg, #3eaeb5, var(--teal));
}

.path-node--2 {
  top: 132px;
  left: 132px;
  background: linear-gradient(135deg, #ffab74, var(--coral));
}

.path-node--3 {
  top: 38px;
  left: 240px;
  background: linear-gradient(135deg, #d8b55d, var(--gold));
}

.path-node--4 {
  top: 140px;
  right: 26px;
  background: linear-gradient(135deg, #8bc7c5, #4a9aa0);
}

.thinking-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  padding-top: 30px;
}

.thinking-panel {
  padding: 28px;
  border-radius: var(--radius-xl);
}

.bullet-list {
  margin-top: 20px;
}

.bullet-list li strong {
  display: block;
  margin-bottom: 4px;
  font-size: 1rem;
}

.bullet-list li span,
.classroom-points li span {
  color: var(--muted);
}

.thinking-note {
  max-width: 720px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 1.06rem;
  line-height: 1.62;
}

.product-shots-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 34px;
}

.product-shot-card {
  display: grid;
  gap: 16px;
  padding: 22px;
  border: 1px solid rgba(23, 54, 63, 0.1);
  border-radius: 30px;
  background: rgba(255, 251, 245, 0.84);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(12px);
}

.product-shot-copy h3 {
  margin: 0 0 10px;
  font-family: "Sora", "Trebuchet MS", sans-serif;
  font-size: clamp(1.5rem, 2.3vw, 2rem);
  letter-spacing: -0.03em;
}

.product-shot-copy p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.product-shot-frame {
  overflow: hidden;
  margin: 0;
  border-radius: 24px;
  background: #f3ede2;
  box-shadow: 0 18px 38px rgba(31, 45, 51, 0.12);
}

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

.classroom {
  padding-top: 12px;
}

.classroom-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  gap: 26px;
  align-items: stretch;
}

.classroom-photo {
  position: relative;
  overflow: hidden;
  margin: 0;
  border-radius: 36px;
  box-shadow: var(--shadow-strong);
  min-height: 100%;
}

.classroom-photo img {
  width: 100%;
  height: 100%;
  min-height: 620px;
  object-fit: cover;
}

.classroom-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 18px;
  padding: 30px;
  border-radius: 36px;
}

.faq {
  padding-bottom: 22px;
}

.faq-grid {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.faq-item {
  overflow: hidden;
  border-radius: 24px;
}

.faq-item summary {
  position: relative;
  padding: 22px 62px 22px 24px;
  cursor: pointer;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 24px;
  transform: translateY(-50%);
  color: var(--teal);
  font-size: 1.4rem;
  font-weight: 700;
}

.faq-item[open] summary::after {
  content: "–";
}

.faq-item p {
  margin: 0;
  padding: 0 24px 24px;
  line-height: 1.62;
}

.final {
  padding: 16px 0 76px;
}

.final-panel {
  position: relative;
  overflow: hidden;
  padding: 38px;
  border-radius: 40px;
  background:
    radial-gradient(circle at top right, rgba(217, 114, 75, 0.18), transparent 24%),
    linear-gradient(135deg, rgba(255, 250, 243, 0.96), rgba(239, 228, 212, 0.92));
}

.final-panel::after {
  content: "";
  position: absolute;
  right: -20px;
  bottom: -12px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(14, 109, 115, 0.16), transparent 64%);
}

.final-title {
  max-width: 13ch;
  font-size: clamp(2.3rem, 4vw, 3.6rem);
}

.share-status {
  min-height: 1.4rem;
  margin-top: 14px;
  color: var(--teal);
  font-weight: 600;
}

[data-reveal] {
  transition:
    opacity 700ms ease,
    transform 700ms ease;
}

html.motion-ready [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
}

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

@keyframes drift {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
  }

  50% {
    transform: translate3d(0, -8px, 0);
  }
}

@media (max-width: 1120px) {
  .hero {
    gap: 34px;
  }

  .hero-visual {
    min-height: 620px;
  }

  .hero-figure {
    left: 28px;
  }

  .workflow-card--materials,
  .workflow-card--context,
  .workflow-card--output {
    grid-column: span 12;
    margin-top: 0;
  }

  .thinking-grid,
  .classroom-grid,
  .manifesto,
  .product-shots-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 900px) {
  .site-header {
    width: min(100vw - 24px, 100%);
    padding: 14px 0;
  }

  .site-header::before {
    inset: 6px -4px;
  }

  .header-actions {
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .header-cta {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    padding-top: 36px;
  }

  .hero-title {
    max-width: 13ch;
  }

  .hero-visual {
    min-height: 560px;
  }

  .hero-figure {
    position: relative;
    inset: 0;
  }

  .hero-figure img {
    min-height: 420px;
  }

  .floating-card--materials {
    top: -18px;
    left: 8px;
  }

  .floating-card--path {
    right: 8px;
    bottom: 118px;
  }

  .floating-card--context {
    left: 12px;
    bottom: 0;
  }

  .classroom-photo img {
    min-height: 380px;
  }
}

@media (max-width: 640px) {
  :root {
    --content-width: min(100vw - 24px, 100%);
  }

  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .section-head {
    padding-top: 66px;
  }

  .hero {
    padding-top: 22px;
  }

  .hero-proof,
  .hero-actions,
  .final-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-brand-chip {
    align-items: flex-start;
    flex-direction: column;
  }

  .lang-dropdown-menu {
    left: 0;
    right: auto;
  }

  .hero-visual {
    min-height: 500px;
  }

  .floating-card--materials {
    width: 86%;
  }

  .floating-card--path {
    width: 68%;
  }

  .floating-card--context {
    width: 70%;
  }

  .manifesto-panel,
  .thinking-panel,
  .workflow-card,
  .classroom-copy,
  .final-panel {
    padding: 24px;
  }

  .manifesto-note-stack {
    grid-template-columns: 1fr;
  }

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

  .final {
    padding-bottom: 54px;
  }
}

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

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