:root {
  color-scheme: light;
  --ink: #171a3e;
  --text: #39435c;
  --muted: #6b7285;
  --line: #e7e4ef;
  --paper: #ffffff;
  --base: #fcfbff;
  --brand: #7c3aed;
  --brand-deep: #5b21b6;
  --lavender: #f1edff;
  --yellow: #ffd84d;
  --cream: #fff7dd;
  --coral: #f46f85;
  --mint: #52c99a;
  --mint-soft: #e7f8f0;
  --sky: #58b7df;
  --sky-soft: #e8f7fd;
  --shadow: 0 18px 46px rgba(41, 36, 79, 0.13);
  font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", ui-sans-serif, system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 76px;
}

body {
  margin: 0;
  padding-bottom: 78px;
  background: var(--base);
  color: var(--text);
  line-height: 1.7;
  letter-spacing: 0;
  text-rendering: optimizeLegibility;
}

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

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

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

h1,
h2,
h3 {
  color: var(--ink);
  letter-spacing: 0;
  text-wrap: balance;
}

h1 {
  margin: 0;
  font-size: 2.5rem;
  font-weight: 950;
  line-height: 1.08;
}

h2 {
  margin: 0;
  font-size: 2rem;
  font-weight: 950;
  line-height: 1.2;
}

h3 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 900;
  line-height: 1.35;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  min-height: 64px;
  border-bottom: 1px solid rgba(231, 228, 239, 0.92);
  background: #ffffff;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: min(1180px, calc(100% - 28px));
  min-height: 64px;
  margin: 0 auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-width: 0;
  color: var(--ink);
  font-size: 1rem;
  font-weight: 950;
  white-space: nowrap;
}

.brand img {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  box-shadow: 0 7px 16px rgba(124, 58, 237, 0.2);
}

nav {
  display: none;
}

.header-cta,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 8px;
  padding: 0 16px;
  background: var(--ink);
  color: white;
  font-size: 0.92rem;
  font-weight: 900;
  line-height: 1;
  box-shadow: 0 10px 22px rgba(23, 26, 62, 0.17);
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.header-cta:hover,
.secondary-button:hover {
  background: var(--brand-deep);
  box-shadow: 0 13px 28px rgba(91, 33, 182, 0.22);
  transform: translateY(-1px);
}

.section {
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
  padding: 72px 0;
}

.band {
  width: 100%;
}

.band-inner {
  width: min(1120px, calc(100% - 36px));
}

.section-heading {
  max-width: 760px;
  margin-bottom: 32px;
}

.section-heading.centered {
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.section-heading > p:last-child {
  max-width: 670px;
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 1.05rem;
  font-weight: 600;
}

.section-heading.centered > p:last-child {
  margin-right: auto;
  margin-left: auto;
}

.eyebrow,
.hero-kicker {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  margin: 0 0 14px;
  border: 1px solid rgba(124, 58, 237, 0.2);
  border-radius: 6px;
  padding: 4px 10px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--brand-deep);
  font-size: 0.82rem;
  font-weight: 900;
}

.hero {
  position: relative;
  min-height: 660px;
  overflow: hidden;
  border-bottom: 10px solid var(--yellow);
  background: var(--lavender);
}

.hero-inner {
  position: relative;
  width: min(1180px, calc(100% - 36px));
  min-height: 660px;
  margin: 0 auto;
  padding-top: 38px;
}

.hero-copy {
  position: relative;
  z-index: 5;
  max-width: 620px;
}

.hero-kicker {
  border-color: rgba(244, 111, 133, 0.32);
  background: #fff2f5;
  color: #a9334f;
}

.hero h1 {
  max-width: 100%;
}

.hero h1 span {
  display: block;
}

.hero h1 span + span {
  margin-top: 4px;
  color: var(--brand-deep);
}

.hero-lede {
  max-width: 37rem;
  margin: 18px 0 0;
  color: #4f5670;
  font-size: 1.08rem;
  font-weight: 650;
  line-height: 1.72;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  margin-top: 22px;
}

.store-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 58px;
  max-width: 100%;
  border-radius: 8px;
  padding: 9px 20px 9px 13px;
  background: var(--ink);
  color: white;
  font-size: 1.02rem;
  font-weight: 900;
  line-height: 1.12;
  box-shadow: 0 16px 34px rgba(23, 26, 62, 0.23);
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.store-button:hover {
  background: var(--brand-deep);
  box-shadow: 0 20px 38px rgba(91, 33, 182, 0.26);
  transform: translateY(-2px);
}

.store-button small {
  display: block;
  margin-bottom: 2px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.72rem;
  font-weight: 750;
}

.apple-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: white;
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", sans-serif;
  font-size: 1.45rem;
  font-weight: 700;
  line-height: 1;
}

.device-note {
  display: none;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 750;
}

.hero-assurance {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 0;
  margin: 13px 0 0;
  padding: 0;
  color: #514b6f;
  font-size: 0.78rem;
  font-weight: 850;
  list-style: none;
}

.hero-assurance li + li::before {
  margin: 0 8px;
  color: var(--coral);
  content: "•";
}

.hero-art {
  position: absolute;
  z-index: 1;
  right: 0;
  bottom: 0;
  left: 0;
  height: 235px;
  pointer-events: none;
}

.hero-shot {
  position: absolute;
  border: 3px solid white;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.hero-shot-main {
  top: 0;
  left: 50%;
  z-index: 2;
  width: 190px;
  transform: translateX(-50%);
}

.hero-shot-listening,
.hero-shot-writing,
.hero-note,
.hero-qr {
  display: none;
}

.proof-strip {
  border-bottom: 1px solid var(--line);
  background: white;
}

.proof-inner {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
  padding: 19px 0;
}

.proof-inner > div {
  min-width: 0;
  padding: 10px 12px;
}

.proof-inner > div:nth-child(odd) {
  border-right: 1px solid var(--line);
}

.proof-inner strong,
.proof-inner span {
  display: block;
}

.proof-inner strong {
  color: var(--ink);
  font-size: 0.94rem;
  font-weight: 950;
}

.proof-inner span {
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 650;
  line-height: 1.45;
}

.outcome-grid {
  display: grid;
  gap: 14px;
}

.outcome-grid article {
  border: 1px solid var(--line);
  border-top: 4px solid var(--brand);
  border-radius: 8px;
  padding: 24px;
  background: white;
  box-shadow: 0 12px 32px rgba(41, 36, 79, 0.07);
}

.outcome-grid article:nth-child(2) {
  border-top-color: var(--coral);
}

.outcome-grid article:nth-child(3) {
  border-top-color: var(--mint);
}

.outcome-number {
  display: block;
  margin-bottom: 20px;
  color: var(--brand);
  font-size: 0.88rem;
  font-weight: 950;
}

.outcome-grid article:nth-child(2) .outcome-number {
  color: #b83450;
}

.outcome-grid article:nth-child(3) .outcome-number {
  color: #167554;
}

.outcome-grid p,
.evidence-grid p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.98rem;
  font-weight: 600;
}

.learning-band {
  background: var(--cream);
}

.flow-steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.flow-steps li {
  min-width: 0;
  border-left: 4px solid var(--yellow);
  padding: 6px 8px 8px 14px;
}

.flow-steps li:nth-child(2) {
  border-left-color: var(--mint);
}

.flow-steps li:nth-child(3) {
  border-left-color: var(--sky);
}

.flow-steps li:nth-child(4) {
  border-left-color: var(--coral);
}

.flow-steps span,
.flow-steps strong,
.flow-steps small {
  display: block;
}

.flow-steps span {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 900;
}

.flow-steps strong {
  margin-top: 1px;
  color: var(--ink);
  font-size: 1.32rem;
  font-weight: 950;
}

.flow-steps small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 650;
  line-height: 1.5;
}

.flow-gallery {
  display: grid;
  grid-auto-columns: minmax(250px, 82%);
  grid-auto-flow: column;
  gap: 14px;
  margin-top: 34px;
  padding: 4px 2px 16px;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scroll-snap-type: inline mandatory;
  scrollbar-width: thin;
}

.flow-gallery figure {
  min-width: 0;
  margin: 0;
  border: 1px solid rgba(124, 58, 237, 0.15);
  border-radius: 8px;
  overflow: hidden;
  background: white;
  box-shadow: 0 16px 36px rgba(85, 62, 37, 0.1);
  scroll-snap-align: start;
}

.flow-gallery figure img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  object-position: top;
}

.flow-gallery figcaption {
  display: block;
  min-height: 98px;
  padding: 16px;
}

.flow-gallery figcaption strong,
.flow-gallery figcaption span {
  display: block;
}

.flow-gallery figcaption strong {
  color: var(--ink);
  font-size: 1.06rem;
  font-weight: 950;
}

.flow-gallery figcaption span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 650;
}

.evidence-grid {
  display: grid;
  grid-auto-columns: minmax(250px, 82%);
  grid-auto-flow: column;
  gap: 14px;
  padding: 4px 2px 16px;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scroll-snap-type: inline mandatory;
  scrollbar-width: thin;
}

.evidence-grid article {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: white;
  box-shadow: 0 14px 34px rgba(41, 36, 79, 0.08);
  scroll-snap-align: start;
}

.evidence-grid article img {
  width: 100%;
  height: 470px;
  object-fit: cover;
  object-position: top;
}

.evidence-grid article img.learning-card-shot {
  padding: 10px;
  object-fit: contain;
  object-position: center;
  background: #ece9ff;
}

.evidence-grid article > div {
  min-height: 186px;
  padding: 19px;
}

.evidence-grid article > div > span {
  display: block;
  margin-bottom: 7px;
  color: var(--brand-deep);
  font-size: 0.8rem;
  font-weight: 950;
}

.capability-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.capability-list li {
  min-width: 0;
  border-top: 3px solid var(--brand);
  border-radius: 4px;
  padding: 14px 12px;
  background: #f7f5ff;
}

.capability-list li:nth-child(2),
.capability-list li:nth-child(6) {
  border-top-color: var(--coral);
  background: #fff2f5;
}

.capability-list li:nth-child(3),
.capability-list li:nth-child(5) {
  border-top-color: var(--sky);
  background: var(--sky-soft);
}

.capability-list li:nth-child(4) {
  border-top-color: var(--mint);
  background: var(--mint-soft);
}

.capability-list strong,
.capability-list span {
  display: block;
}

.capability-list strong {
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 950;
}

.capability-list span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 650;
  line-height: 1.5;
}

.plan-band {
  background: var(--mint-soft);
}

.plan-grid {
  display: grid;
  gap: 14px;
}

.plan-card {
  border: 1px solid rgba(22, 117, 84, 0.18);
  border-radius: 8px;
  padding: 24px;
  background: white;
  box-shadow: 0 14px 34px rgba(24, 91, 68, 0.08);
}

.plan-label {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  margin-bottom: 16px;
  border-radius: 6px;
  padding: 4px 10px;
  background: var(--mint-soft);
  color: #126548;
  font-size: 0.82rem;
  font-weight: 950;
}

.plan-card h3 {
  font-size: 1.45rem;
}

.plan-card ul,
.institution-action ul {
  display: grid;
  gap: 9px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.plan-card li,
.institution-action li {
  position: relative;
  padding-left: 25px;
  color: #4f586d;
  font-size: 0.94rem;
  font-weight: 650;
}

.plan-card li::before,
.institution-action li::before {
  position: absolute;
  top: 0;
  left: 0;
  color: #16855e;
  font-weight: 950;
  content: "✓";
}

.plan-card.premium {
  border-color: #2f2b59;
  background: #25214b;
  box-shadow: 0 20px 44px rgba(37, 33, 75, 0.2);
}

.plan-card.premium .plan-label {
  background: var(--yellow);
  color: #4c3c00;
}

.plan-card.premium h3,
.plan-card.premium li {
  color: white;
}

.plan-card.premium li::before {
  color: var(--yellow);
}

.store-button.light {
  margin-top: 24px;
  background: white;
  color: var(--ink);
  box-shadow: none;
}

.store-button.light:hover {
  background: var(--cream);
}

.store-button.light small {
  color: #676178;
}

.store-button.light .apple-mark {
  background: var(--ink);
  color: white;
}

.trust-band {
  background: #211d42;
  color: white;
}

.trust-inner {
  display: grid;
  gap: 32px;
}

.trust-band .eyebrow {
  border-color: rgba(255, 216, 77, 0.46);
  background: rgba(255, 216, 77, 0.14);
  color: #ffe583;
}

.trust-copy h2 {
  color: white;
}

.trust-copy > p:last-child {
  max-width: 620px;
  margin: 16px 0 0;
  color: #d0cce2;
  font-size: 1.02rem;
  font-weight: 600;
}

.trust-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  list-style: none;
}

.trust-list li {
  position: relative;
  min-height: 52px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  padding: 13px 8px 13px 30px;
  color: #f5f3ff;
  font-size: 0.92rem;
  font-weight: 750;
}

.trust-list li::before {
  position: absolute;
  left: 4px;
  color: var(--yellow);
  font-weight: 950;
  content: "✓";
}

.founder-note {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  padding-top: 28px;
}

.founder-note img {
  width: 64px;
  height: 64px;
  border-radius: 16px;
}

.founder-note span {
  display: block;
  margin-bottom: 6px;
  color: #ffe583;
  font-size: 0.78rem;
  font-weight: 950;
}

.founder-note blockquote {
  max-width: 800px;
  margin: 0;
  color: white;
  font-size: 1.02rem;
  font-weight: 650;
  line-height: 1.75;
}

.institution-band {
  background: var(--sky-soft);
}

.institution-inner {
  display: grid;
  gap: 28px;
}

.institution-inner h2 {
  max-width: 620px;
}

.institution-inner > div:first-child > p:last-child {
  max-width: 650px;
  margin: 14px 0 0;
  color: #546377;
  font-size: 1rem;
  font-weight: 600;
}

.institution-action ul {
  margin-top: 0;
}

.institution-action li::before {
  color: #11769f;
}

.institution-action .secondary-button {
  margin-top: 20px;
  background: #136a8f;
}

.faq-list {
  display: grid;
  gap: 10px;
}

details {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: white;
  box-shadow: 0 8px 24px rgba(41, 36, 79, 0.05);
}

summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 62px;
  padding: 16px 18px;
  cursor: pointer;
  color: var(--ink);
  font-size: 0.98rem;
  font-weight: 900;
  list-style: none;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  flex: 0 0 auto;
  color: var(--brand);
  font-size: 1.35rem;
  font-weight: 700;
  content: "+";
}

details[open] summary::after {
  content: "−";
}

details p {
  margin: 0;
  border-top: 1px solid var(--line);
  padding: 16px 18px 20px;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 600;
}

.final-band {
  border-top: 10px solid var(--yellow);
  background: var(--brand-deep);
}

.final-inner {
  display: grid;
  gap: 22px;
  justify-items: start;
}

.final-icon {
  width: 82px;
  height: 82px;
  border: 4px solid rgba(255, 255, 255, 0.8);
  border-radius: 20px;
  box-shadow: 0 16px 34px rgba(27, 12, 62, 0.28);
}

.final-band .eyebrow {
  border-color: rgba(255, 216, 77, 0.54);
  background: var(--yellow);
  color: #4b3a00;
}

.final-copy h2 {
  max-width: 650px;
  color: white;
}

.final-copy > p:not(.eyebrow) {
  max-width: 620px;
  margin: 14px 0 22px;
  color: #e1dcf3;
  font-size: 1rem;
  font-weight: 600;
}

.final-qr {
  display: none;
}

.site-footer {
  display: grid;
  gap: 20px;
  padding: 32px 18px 38px;
  background: #17142e;
  color: #b8b4cb;
  font-size: 0.86rem;
  font-weight: 650;
}

.site-footer > div:first-child strong,
.site-footer > div:first-child span {
  display: block;
}

.site-footer > div:first-child strong {
  color: white;
  font-size: 1rem;
  font-weight: 950;
}

.site-footer > div:first-child span {
  margin-top: 3px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
}

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

.mobile-download-bar {
  position: fixed;
  z-index: 40;
  right: 0;
  bottom: 0;
  left: 0;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  min-height: 70px;
  border-top: 1px solid var(--line);
  padding: 8px 12px calc(8px + env(safe-area-inset-bottom));
  background: #ffffff;
  box-shadow: 0 -12px 30px rgba(23, 26, 62, 0.12);
}

.mobile-download-bar img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
}

.mobile-download-bar strong,
.mobile-download-bar span {
  display: block;
}

.mobile-download-bar strong {
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 950;
}

.mobile-download-bar span {
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 700;
}

.mobile-download-bar a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 68px;
  min-height: 42px;
  border-radius: 8px;
  background: var(--brand);
  color: white;
  font-size: 0.86rem;
  font-weight: 950;
}

@media (max-width: 719px) and (max-height: 720px) {
  .hero,
  .hero-inner {
    min-height: 400px;
  }

  .hero-inner {
    padding-top: 24px;
  }

  .hero-kicker {
    margin-bottom: 10px;
  }

  .hero h1 {
    font-size: 2.1rem;
  }

  .hero-lede {
    margin-top: 12px;
    font-size: 0.94rem;
    line-height: 1.55;
  }

  .hero-actions {
    margin-top: 14px;
  }

  .store-button {
    min-height: 52px;
  }

  .device-note {
    display: none;
  }

  .hero-assurance {
    margin-top: 8px;
    font-size: 0.7rem;
  }

  .hero-art {
    height: 96px;
  }

  .hero-shot-main {
    width: 100px;
  }
}

@media (min-width: 720px) {
  body {
    padding-bottom: 0;
  }

  h1 {
    font-size: 3.65rem;
  }

  h2 {
    font-size: 2.65rem;
  }

  .section {
    padding-top: 96px;
    padding-bottom: 96px;
  }

  .header-inner,
  .site-header {
    min-height: 68px;
  }

  .brand {
    font-size: 1.08rem;
  }

  .hero,
  .hero-inner {
    min-height: 620px;
  }

  .hero-inner {
    padding-top: 82px;
  }

  .hero-copy {
    max-width: 53%;
  }

  .hero h1 {
    max-width: 8.5em;
  }

  .hero-lede {
    font-size: 1.12rem;
  }

  .device-note {
    display: inline;
  }

  .hero-art {
    top: 0;
    right: -10px;
    bottom: auto;
    left: auto;
    width: 47%;
    height: 620px;
  }

  .hero-shot-main {
    top: 56px;
    left: 52%;
    width: 272px;
  }

  .hero-note {
    position: absolute;
    z-index: 4;
    display: block;
    border: 1px solid rgba(255, 255, 255, 0.84);
    border-radius: 8px;
    padding: 10px 12px;
    background: rgba(255, 255, 255, 0.94);
    color: var(--ink);
    box-shadow: 0 13px 30px rgba(41, 36, 79, 0.13);
  }

  .hero-note strong,
  .hero-note span {
    display: block;
  }

  .hero-note strong {
    font-size: 0.88rem;
    font-weight: 950;
  }

  .hero-note span {
    margin-top: 2px;
    color: var(--muted);
    font-size: 0.7rem;
    font-weight: 700;
  }

  .note-start {
    top: 72px;
    left: 0;
  }

  .note-school {
    top: 156px;
    right: 0;
  }

  .hero-qr {
    position: absolute;
    right: 6px;
    bottom: 24px;
    z-index: 4;
    display: grid;
    justify-items: center;
    gap: 5px;
    border: 1px solid rgba(255, 255, 255, 0.84);
    border-radius: 8px;
    padding: 8px;
    background: rgba(255, 255, 255, 0.96);
    color: var(--muted);
    font-size: 0.7rem;
    font-weight: 850;
    box-shadow: 0 14px 30px rgba(41, 36, 79, 0.14);
  }

  .hero-qr img {
    width: 82px;
    height: 82px;
  }

  .proof-inner {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    padding: 23px 0;
  }

  .proof-inner > div {
    padding: 8px 20px;
  }

  .proof-inner > div:not(:last-child) {
    border-right: 1px solid var(--line);
  }

  .proof-inner strong {
    font-size: 1rem;
  }

  .proof-inner span {
    font-size: 0.8rem;
  }

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

  .outcome-grid article {
    padding: 28px;
  }

  .flow-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
  }

  .flow-steps li {
    padding-left: 18px;
  }

  .flow-steps strong {
    font-size: 1.5rem;
  }

  .flow-steps small {
    font-size: 0.84rem;
  }

  .flow-gallery,
  .evidence-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    grid-auto-columns: unset;
    grid-auto-flow: row;
    gap: 20px;
    overflow: visible;
  }

  .flow-gallery {
    width: min(900px, 100%);
    margin-right: auto;
    margin-left: auto;
  }

  .flow-gallery figure img {
    height: 520px;
  }

  .evidence-grid article img {
    height: 500px;
  }

  .capability-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-top: 34px;
  }

  .capability-list li {
    padding: 17px 15px;
  }

  .capability-list strong {
    font-size: 0.98rem;
  }

  .capability-list span {
    font-size: 0.82rem;
  }

  .plan-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 20px;
  }

  .plan-card {
    padding: 32px;
  }

  .trust-inner {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 54px;
  }

  .founder-note {
    grid-column: 1 / -1;
    grid-template-columns: 72px minmax(0, 1fr);
  }

  .founder-note img {
    width: 72px;
    height: 72px;
    border-radius: 18px;
  }

  .founder-note blockquote {
    font-size: 1.14rem;
  }

  .institution-inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
    gap: 70px;
    align-items: center;
  }

  .faq-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
    gap: 12px;
  }

  .final-inner {
    grid-template-columns: 104px minmax(0, 1fr) 160px;
    gap: 34px;
    align-items: center;
  }

  .final-icon {
    width: 104px;
    height: 104px;
    border-radius: 24px;
  }

  .final-qr {
    display: grid;
    justify-items: center;
    gap: 7px;
    border-radius: 8px;
    padding: 12px;
    background: white;
    color: var(--ink);
    font-size: 0.76rem;
    font-weight: 900;
  }

  .final-qr img {
    width: 136px;
    height: 136px;
  }

  .site-footer {
    grid-template-columns: minmax(220px, 1fr) auto;
    align-items: center;
    padding-right: max(28px, calc((100% - 1120px) / 2));
    padding-left: max(28px, calc((100% - 1120px) / 2));
  }

  .footer-links {
    justify-content: flex-end;
  }

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

@media (min-width: 960px) {
  h1 {
    font-size: 4rem;
  }

  nav {
    display: flex;
    align-items: center;
    gap: 26px;
    color: #555d72;
    font-size: 0.9rem;
    font-weight: 850;
  }

  nav a:hover {
    color: var(--brand-deep);
  }

  .hero-copy {
    max-width: 58%;
  }

  .hero-art {
    width: 44%;
  }

  .hero-shot-main {
    left: 50%;
    width: 292px;
  }

  .note-start {
    left: 4px;
  }

  .capability-list {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

@media (min-width: 1100px) {
  .hero-shot-listening,
  .hero-shot-writing {
    display: block;
    z-index: 1;
    width: 190px;
    opacity: 0.82;
  }

  .hero-shot-listening {
    top: 205px;
    left: -24px;
  }

  .hero-shot-writing {
    top: 220px;
    right: -40px;
  }
}

@media (max-width: 370px) {
  h1 {
    font-size: 2.2rem;
  }

  h2 {
    font-size: 1.78rem;
  }

  .brand span {
    font-size: 0.9rem;
  }

  .header-cta {
    padding: 0 12px;
    font-size: 0.82rem;
  }

  .store-button {
    width: 100%;
  }

  .proof-inner > div {
    padding-right: 8px;
    padding-left: 8px;
  }

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

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}