/* Đổi các màu chính tại đây để tùy chỉnh toàn bộ website. */
:root {
  --green: #174b3e;
  --green-dark: #123d33;
  --cream: #f9f7f1;
  --ink: #202e29;
  --muted: #66716a;
  --line: #dedfd5;
  --accent: #d8e7b4;
  --radius: 18px;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}
body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.75;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
  cursor: pointer;
}
img {
  max-width: 100%;
  display: block;
}
h1,
h2,
h3,
p {
  margin-top: 0;
}
h1,
h2,
h3 {
  line-height: 1.2;
}
h1,
h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  letter-spacing: -1.6px;
}
h1 {
  font-size: clamp(42px, 5.2vw, 70px);
  margin-bottom: 25px;
}
h1 em {
  color: var(--green);
  font-weight: 400;
}
h2 {
  font-size: clamp(32px, 3.4vw, 46px);
  margin-bottom: 24px;
}
h3 {
  font-size: 21px;
  letter-spacing: -0.5px;
}
p {
  margin-bottom: 18px;
}
.container {
  width: min(1120px, calc(100% - 64px));
  margin-inline: auto;
}
.section {
  padding-block: 90px;
}
.eyebrow {
  font-size: 11px;
  letter-spacing: 1.8px;
  font-weight: 700;
  color: var(--green);
  margin-bottom: 23px;
}
.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--cream);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 95px;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.5px;
}
.brand-icon {
  background: var(--green);
  color: var(--cream);
  height: 34px;
  width: 34px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: Georgia, serif;
  font-size: 24px;
  padding-bottom: 3px;
}
.nav nav {
  display: flex;
  align-items: center;
  gap: 32px;
  font-size: 13px;
}
.nav nav > a:not(.button):hover,
.text-link:hover {
  text-decoration: underline;
  text-underline-offset: 5px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 26px;
  background: var(--green);
  color: white;
  padding: 15px 25px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 700;
  transition:
    background 0.2s,
    transform 0.2s;
}
.button:hover {
  background: var(--green-dark);
  transform: translateY(-2px);
}
.button-small {
  padding: 10px 18px;
  gap: 18px;
}
.button span {
  font-size: 20px;
  font-weight: 400;
}
.hero {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 50px;
  align-items: center;
  padding-block: 65px 70px;
}
.dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  background: var(--green);
  border-radius: 50%;
  margin-right: 6px;
}
.intro {
  max-width: 470px;
  color: var(--muted);
  font-size: 17px;
}
.intro strong {
  font-weight: 400;
  color: var(--ink);
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-top: 30px;
}
.text-link {
  font-size: 13px;
  font-weight: 700;
}
.hero-note {
  font-size: 11px;
  color: var(--muted);
  margin-top: 19px;
}
.hero-art {
  position: relative;
  min-height: 500px;
  background: #e9eddf;
  border-radius: 48% 48% 12px 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  isolation: isolate;
  overflow: hidden;
}
.book-cover {
  width: 245px;
  height: auto;
  transform: rotate(-8deg);
  box-shadow: 13px 20px 24px #253b292f;
  border-radius: 3px;
  z-index: 1;
}
.book-halo {
  position: absolute;
  width: 335px;
  height: 335px;
  border: 1px solid #c9d2bc;
  border-radius: 50%;
  z-index: -1;
}
.art-label,
.art-bottom {
  position: absolute;
  font-size: 9px;
  letter-spacing: 2px;
  color: #52664b;
}
.art-label {
  top: 30px;
}
.art-bottom {
  bottom: 24px;
}
.art-sticker {
  position: absolute;
  z-index: 2;
  right: 15px;
  bottom: 91px;
  background: #f1d599;
  padding: 15px 18px;
  border-radius: 50%;
  font-size: 11px;
  line-height: 1.4;
  text-align: center;
  transform: rotate(10deg);
  box-shadow: 0 3px 8px #0000000a;
}
.art-sticker span {
  display: block;
  font-size: 25px;
  margin-bottom: 3px;
}
.details-strip {
  border-block: 1px solid var(--line);
}
.details {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-block: 22px;
  font-size: 13px;
}
.details b {
  font-size: 10px;
  color: var(--muted);
  margin-right: 15px;
  font-weight: 400;
}
.section-heading {
  margin-bottom: 35px;
}
.two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 90px;
}
.large-copy {
  font-size: 24px;
  line-height: 1.55;
  max-width: 410px;
}
.two-column > div {
  color: var(--muted);
}
.sample-note {
  font-size: 12px;
  color: var(--muted);
  border-left: 2px solid #b5c1a5;
  padding-left: 12px;
}
.benefits {
  background: #edf0e7;
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.benefit-card {
  background: var(--cream);
  padding: 30px;
  border: 1px solid #e1e5d9;
  border-radius: var(--radius);
}
.benefit-card p {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 0;
}
.card-icon {
  display: flex;
  width: 44px;
  height: 44px;
  background: #e8eddc;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  color: var(--green);
  font-size: 26px;
  margin-bottom: 35px;
}
.contents {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 95px;
}
.contents-intro > p:not(.eyebrow) {
  color: var(--muted);
  font-size: 15px;
}
.pill {
  display: inline-block;
  border: 1px solid var(--line);
  border-radius: 30px;
  padding: 5px 13px;
  font-size: 11px;
  margin-top: 14px;
}
details {
  border-bottom: 1px solid var(--line);
}
summary {
  cursor: pointer;
  list-style: none;
  padding: 22px 0;
  display: flex;
  gap: 20px;
  align-items: center;
  font-size: 16px;
  font-weight: 600;
}
summary::-webkit-details-marker {
  display: none;
}
.chapter-number {
  font-size: 11px;
  font-weight: 400;
  color: var(--muted);
}
.toggle {
  margin-left: auto;
  font-size: 21px;
  font-weight: 400;
}
.toggle:before {
  content: "+";
}
details[open] .toggle:before {
  content: "−";
}
.chapter-list details p {
  padding-left: 35px;
  font-size: 14px;
  color: var(--muted);
  padding-right: 20px;
}
.author-section {
  background: #eeeade;
  padding-block: 70px;
}
.author-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 90px;
  align-items: center;
}
.author-layout > div > p:not(.eyebrow) {
  font-size: 15px;
  color: var(--muted);
}
.author-art {
  position: relative;
  min-height: 360px;
  display: grid;
  place-items: center;
}
.paper {
  background: #fffdf5;
  padding: 30px 35px;
  transform: rotate(-5deg);
  box-shadow: 0 12px 30px #4e4e2b14;
  position: relative;
  z-index: 1;
}
.paper > span:first-child {
  font-size: 9px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--muted);
}
.paper p {
  font-family: Georgia, serif;
  font-style: italic;
  font-size: 25px;
  line-height: 1.6;
  margin-block: 23px;
}
.paper-sign {
  font-size: 11px;
  color: var(--green);
}
.author-sun {
  position: absolute;
  top: 0;
  left: 15px;
  color: #b8be94;
  font-size: 100px;
  line-height: 1;
}
.leaf {
  position: absolute;
  right: 20px;
  bottom: 0;
  font-size: 150px;
  color: var(--green);
  transform: rotate(-25deg);
  z-index: 2;
  line-height: 1;
}
.purchase-panel {
  background: var(--green);
  color: var(--cream);
  border-radius: var(--radius);
  padding: 55px 60px;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 55px;
  align-items: center;
}
.purchase-panel .eyebrow {
  color: var(--accent);
}
.purchase-panel h2 {
  margin-bottom: 16px;
}
.purchase-panel p {
  color: #d0dacf;
}
.purchase-features {
  list-style: none;
  padding: 0;
  font-size: 13px;
  margin: 24px 0 0;
}
.purchase-features li {
  padding-block: 4px;
}
.purchase-features li:before {
  content: "✓";
  color: var(--accent);
  margin-right: 10px;
}
.purchase-action {
  text-align: center;
  border-left: 1px solid #ffffff30;
  padding-left: 55px;
}
.price-label {
  font-size: 10px;
  letter-spacing: 2px;
  color: #c4d2c5;
}
.purchase-action .price {
  font-family: Georgia, serif;
  font-size: 48px;
  color: white;
  line-height: 1.2;
  margin-block: 14px 25px;
}
.price span {
  font-size: 25px;
  margin-left: 4px;
}
.button-light {
  background: var(--accent);
  color: var(--green);
  width: 100%;
}
.button-light:hover {
  background: #e5efcc;
}
.purchase-action .purchase-note {
  font-size: 11px;
  line-height: 1.7;
  margin: 15px 0 0;
}
.faq {
  max-width: 760px;
  padding-bottom: 90px;
}
.faq h2 {
  margin-bottom: 30px;
}
.faq summary {
  justify-content: space-between;
}
.faq summary:after {
  content: "+";
  font-size: 22px;
  font-weight: 400;
}
.faq details[open] summary:after {
  content: "−";
}
.faq details p {
  font-size: 14px;
  color: var(--muted);
  padding-right: 25px;
}
.footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 25px;
  border-top: 1px solid var(--line);
  padding-block: 30px;
}
.footer p {
  font-size: 11px;
  color: var(--muted);
  margin: 0;
}
.footer p span {
  font-size: 10px;
}
.skip-link {
  position: fixed;
  top: -100px;
  left: 15px;
  background: var(--green);
  color: white;
  padding: 10px;
  z-index: 10;
}
.skip-link:focus {
  top: 10px;
}
:focus-visible {
  outline: 3px solid #bd8831;
  outline-offset: 5px;
}
@media (min-width: 1500px) {
  .hero {
    padding-block: 85px;
  }
  .hero-art {
    min-height: 540px;
  }
}
@media (max-width: 850px) {
  .container {
    width: calc(100% - 40px);
  }
  .hero {
    gap: 25px;
    grid-template-columns: 1.1fr 1fr;
  }
  .hero-art {
    min-height: 410px;
  }
  .book-cover {
    width: 205px;
  }
  .art-label {
    font-size: 7px;
  }
  .art-sticker {
    right: 5px;
    bottom: 55px;
    padding: 12px;
  }
  .art-bottom {
    font-size: 7px;
  }
  .hero-actions {
    gap: 15px;
  }
  .two-column,
  .contents,
  .author-layout {
    gap: 35px;
  }
  .benefit-card {
    padding: 22px;
  }
  .purchase-panel {
    padding: 35px;
    gap: 25px;
  }
  .purchase-action {
    padding-left: 25px;
  }
  .nav nav {
    gap: 20px;
  }
  .footer {
    flex-wrap: wrap;
  }
  .section {
    padding-block: 65px;
  }
}
@media (max-width: 600px) {
  .nav {
    min-height: 80px;
    gap: 10px;
  }
  .brand {
    font-size: 13px;
    gap: 7px;
  }
  .brand-icon {
    width: 29px;
    height: 29px;
    font-size: 21px;
  }
  .button-small {
    padding: 8px 12px;
    font-size: 12px;
    gap: 9px;
  }
  .hero {
    grid-template-columns: 1fr;
    padding-block: 40px;
    gap: 30px;
  }
  .hero-copy .eyebrow {
    font-size: 9px;
    letter-spacing: 1.2px;
  }
  h1 {
    font-size: 45px;
  }
  .intro {
    font-size: 16px;
  }
  .hero-note {
    font-size: 10px;
  }
  .hero-art {
    min-height: 425px;
    max-width: 400px;
    width: 100%;
    margin: auto;
  }
  .book-cover {
    width: 225px;
  }
  .art-label {
    font-size: 8px;
  }
  .art-bottom {
    font-size: 8px;
  }
  .art-sticker {
    right: 15px;
    bottom: 65px;
  }
  .details {
    flex-direction: column;
    gap: 8px;
    padding-block: 18px;
  }
  .details b {
    margin-right: 10px;
  }
  .section {
    padding-block: 52px;
  }
  .two-column,
  .contents,
  .author-layout,
  .card-grid,
  .purchase-panel {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .section-heading {
    margin-bottom: 25px;
  }
  .large-copy {
    font-size: 22px;
  }
  .card-icon {
    margin-bottom: 20px;
  }
  .benefit-card {
    padding: 25px;
  }
  .contents-intro {
    min-width: 0;
  }
  .author-section {
    padding-block: 40px;
  }
  .author-art {
    min-height: 330px;
  }
  .author-layout {
    gap: 40px;
  }
  .purchase-panel {
    padding: 30px 24px;
  }
  .purchase-action {
    border-left: 0;
    border-top: 1px solid #ffffff30;
    padding: 25px 0 0;
  }
  .purchase-panel h2 {
    font-size: 33px;
  }
  .purchase-features {
    font-size: 12px;
  }
  .faq {
    padding-bottom: 55px;
  }
  .faq summary {
    font-size: 15px;
  }
  .footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    padding-block: 25px;
  }
  .footer .text-link {
    font-size: 12px;
  }
  summary {
    gap: 14px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    transition: none !important;
  }
}

/* Mũi tên SVG hiển thị rõ nét trên mọi thiết bị. */
.arrow-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* Thanh toán thủ công: giữ ảnh nguyên tỉ lệ, không cắt mã QR. */
[hidden] {
  display: none !important;
}
.payment-section {
  padding-bottom: 90px;
}
.payment-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 48px;
  align-items: start;
}
.payment-card {
  background: #edf0e7;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
}
.payment-card h3 {
  margin-bottom: 22px;
}
.qr-frame {
  background: white;
  border-radius: 10px;
  padding: 14px;
  text-align: center;
}
.qr-frame img {
  width: 100%;
  max-width: 380px;
  height: auto;
  margin-inline: auto;
}
.qr-frame p {
  margin: 0;
  padding: 16px 8px;
  font-size: 14px;
  color: var(--muted);
}
.bank-details {
  margin: 24px 0 0;
  font-size: 14px;
}
.bank-details div {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 4px 14px;
  padding-block: 10px;
  border-bottom: 1px solid var(--line);
}
.bank-details dt {
  color: var(--muted);
}
.bank-details dd {
  margin: 0;
  font-weight: 700;
  overflow-wrap: anywhere;
}
.payment-amount {
  color: var(--green);
}
.payment-steps {
  padding-left: 25px;
  margin: 0 0 28px;
}
.payment-steps li {
  padding-left: 8px;
  margin-bottom: 26px;
}
.payment-steps li::marker {
  color: var(--green);
  font-weight: 700;
}
.payment-steps h3 {
  font-size: 20px;
  margin-bottom: 12px;
}
.payment-steps p {
  color: var(--muted);
  font-size: 15px;
}
.payment-steps strong {
  color: var(--ink);
}
.order-form-link {
  width: 100%;
  text-align: center;
}
#form-note {
  margin-top: 18px;
}
.transfer-reference {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 10px;
}
.transfer-reference h4 {
  margin: 0 0 12px;
  font-size: 16px;
}
.reference-copy {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 14px;
}
.reference-copy code {
  font-size: 19px;
  color: var(--green);
  user-select: all;
}
.reference-copy .button {
  padding: 10px 16px;
}
.transfer-reference p:last-child {
  margin-bottom: 0;
}
#copy-status:empty {
  display: none;
}
@media (max-width: 700px) {
  .payment-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 30px;
  }
  .payment-section {
    padding-bottom: 52px;
  }
  .payment-card {
    padding: 20px;
  }
  .order-form-link {
    padding-inline: 16px;
  }
}

/* Thương hiệu và điều hướng dùng chung cho bốn trang. */
.brand-name {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 29px;
  line-height: 1.15;
  color: var(--green);
  letter-spacing: -1px;
}
.brand-name span {
  margin-top: 7px;
  font-family: Arial, Helvetica, sans-serif;
  font-weight: 400;
  font-size: 10px;
  letter-spacing: 1px;
  color: var(--muted);
}
.primary-nav a {
  display: block;
  padding: 12px 4px;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}
.primary-nav a[aria-current="page"] {
  color: var(--green);
  font-weight: 700;
  border-bottom-color: var(--green);
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  font-size: 12px;
}
.footer-links a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}
.home-hero {
  width: min(1280px, calc(100% - 64px));
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 32px;
}
.home-hero h1 {
  font-size: clamp(38px, 4.5vw, 61px);
}
.home-note {
  background: #e9eddf;
  border-radius: 48% 48% 12px 12px;
  padding: 80px 35px 45px;
  text-align: center;
}
.home-note blockquote {
  margin: 25px 0 30px;
  font:
    36px/1.35 Georgia,
    "Times New Roman",
    serif;
  color: var(--green);
  letter-spacing: -1px;
}
.note-signature {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 22px;
  color: var(--green);
}
.pathway-card {
  display: flex;
  flex-direction: column;
}
.pathway-card > .text-link {
  margin-top: auto;
  padding-top: 24px;
  color: var(--green);
}
.story-section {
  background: #eeeade;
}
.story-layout {
  max-width: 820px;
  margin-top: 45px;
}
.story-block {
  border-top: 1px solid #d7d6c8;
  padding-top: 25px;
  margin-top: 30px;
}
.story-block h3 {
  color: var(--green);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 27px;
  font-weight: 400;
}
.story-block p {
  color: #4f5c53;
  font-size: 17px;
  max-width: 720px;
}
.gentle-callout {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 40px;
}
.gentle-callout > div {
  max-width: 650px;
}
.gentle-callout p:last-child {
  margin-bottom: 0;
  color: var(--muted);
}
.gentle-callout > a {
  flex-shrink: 0;
}
.page-intro {
  padding-block: 75px 55px;
}
.page-intro h1 {
  font-size: clamp(42px, 5vw, 64px);
}
.page-intro .intro {
  max-width: 700px;
}
.course-options,
.community-channels {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 28px;
}
.course-card {
  background: #edf0e7;
  padding: 36px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.course-card h2,
.community-channels h2 {
  font-size: 34px;
}
.course-card p:not(.eyebrow):not(.large-copy) {
  color: #4f5c53;
}
.course-card h3 {
  margin-top: 30px;
}
.community-channels .benefit-card {
  background: #edf0e7;
  padding: 36px;
}
.community-channels .channel-note {
  margin-top: 18px;
  font-size: 12px;
}
@media (max-width: 850px) {
  .home-hero {
    width: calc(100% - 40px);
    gap: 25px;
  }
  .home-note {
    padding: 65px 20px 35px;
  }
  .home-note blockquote {
    font-size: 30px;
  }
  .gentle-callout {
    flex-direction: column;
    align-items: flex-start;
  }
  .course-card {
    padding: 26px;
  }
}
@media (max-width: 600px) {
  .nav {
    flex-wrap: wrap;
    gap: 18px;
    padding-top: 22px;
  }
  .brand-name {
    font-size: 27px;
  }
  .nav .primary-nav {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
  }
  .primary-nav a {
    text-align: center;
    font-size: 12px;
    padding-block: 12px;
  }
  .home-hero,
  .course-options,
  .community-channels {
    grid-template-columns: minmax(0, 1fr);
  }
  .home-hero h1 {
    font-size: clamp(33px, 8.5vw, 48px);
  }
  .hero-actions {
    flex-wrap: wrap;
  }
  .home-note {
    padding: 60px 25px 35px;
  }
  .home-note blockquote {
    font-size: 34px;
  }
  .page-intro {
    padding-block: 45px 30px;
  }
  .page-intro h1 {
    font-size: 41px;
  }
  .course-card,
  .community-channels .benefit-card {
    padding: 25px;
  }
  .gentle-callout {
    padding: 26px;
  }
  .story-block p {
    font-size: 16px;
  }
}

/* Logo gốc có nền trong suốt; giữ trọn hình và tỉ lệ trên nền kem. */
.brand-lockup {
  gap: 12px;
  flex-shrink: 0;
}
.brand-logo {
  width: 68px;
  height: 68px;
  object-fit: contain;
  flex-shrink: 0;
}
.footer-brand {
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.footer-logo {
  width: 160px;
  height: 160px;
  object-fit: contain;
}
.footer-brand > span {
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 1px;
  color: var(--muted);
}
.illustration {
  margin: 0;
  min-width: 0;
}
.illustration img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
}
.illustration figcaption {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
  margin-top: 12px;
}
.home-illustration {
  padding: 0;
  border: 0;
  border-radius: var(--radius);
  background: transparent;
}
.home-illustration figcaption {
  text-align: center;
  padding-inline: 5px;
}
.reading-illustration {
  margin-top: 28px;
}
.course-illustration {
  margin-block: 26px;
}
.course-illustration figcaption {
  color: var(--green);
  font-weight: 600;
}
.community-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  align-items: center;
  gap: 48px;
}
.community-intro h1 {
  font-size: clamp(40px, 4.6vw, 60px);
}
.community-illustration figcaption {
  text-align: center;
}
@media (max-width: 850px) {
  .community-intro {
    gap: 24px;
  }
  .brand-logo {
    width: 60px;
    height: 60px;
  }
}
@media (max-width: 600px) {
  .brand-lockup {
    gap: 9px;
  }
  .brand-logo {
    width: 58px;
    height: 58px;
  }
  .community-intro {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }
  .footer-brand {
    align-self: center;
  }
}

/* Nội dung câu chuyện và bốn nguyên tắc chỉ có trên Trang chủ. */
.personal-story .story-layout {
  max-width: 760px;
  margin-top: 32px;
}
.personal-story .story-block:first-child {
  border-top: 0;
  padding-top: 0;
  margin-top: 0;
}
.personal-story strong {
  color: var(--green);
}
.method-intro {
  max-width: 760px;
  margin-bottom: 36px;
}
.method-intro > p:last-child {
  color: #4f5c53;
  font-size: 17px;
}
.principle-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}
.principle-card {
  display: flex;
  flex-direction: column;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #f1f3e9;
}
.principle-listening {
  background: #e5ecdc;
  border-color: #c8d3ba;
}
.principle-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin-bottom: 24px;
  border-radius: 50%;
  background: #dde5d2;
  color: var(--green);
  font-size: 12px;
  font-weight: 700;
}
.principle-listening .principle-number {
  background: #d1dec3;
}
.principle-card h3 {
  font-size: 22px;
  line-height: 1.4;
  color: var(--green);
  margin-bottom: 20px;
}
.principle-card p {
  font-size: 16px;
  color: #4f5c53;
}
.principle-card .principle-takeaway {
  margin-top: auto;
  margin-bottom: 0;
  padding-top: 20px;
  border-top: 1px solid #d1dac6;
  color: var(--green);
}
.method-closing {
  max-width: 720px;
  margin: 36px auto 0;
  text-align: center;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 22px;
  color: var(--green);
}
@media (max-width: 700px) {
  .principle-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .principle-card {
    padding: 25px;
  }
  .method-intro > p:last-child {
    font-size: 16px;
  }
  .method-closing {
    font-size: 20px;
  }
}