:root {
  --bg-page: #F5F0E5;
  --bg-surface: #FFFCF5;
  --bg-muted: #EBE4D5;
  --text-main: #334638;
  --text-sub: #4A5D4E;
  --color-secondary: #8C9A78;
  --accent-main: #B66B4D;
  --border-line: #DCD6C7;
  --btn-fill: #334638;
  --btn-hover: #243328;
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-serif: "Songti SC", "STSong", "Noto Serif SC", "SimSun", Georgia, serif;
  --font-note: "Kaiti SC", "STKaiti", "KaiTi", "FangSong", serif;
  --container-max: 1120px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  background-color: var(--bg-page);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.7;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background-color: var(--bg-page);
  color: var(--text-main);
  background-image: radial-gradient(var(--border-line) 0.75px, transparent 0.75px);
  background-size: 24px 24px;
}

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

a {
  color: var(--text-main);
  text-decoration: underline;
  text-decoration-color: var(--color-secondary);
  text-underline-offset: 4px;
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

a:hover {
  color: var(--accent-main);
  text-decoration-color: var(--accent-main);
}

:focus-visible {
  outline: 3px solid var(--accent-main);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  z-index: 1000;
  padding: 0.75rem 1.25rem;
  background-color: var(--btn-fill);
  color: var(--bg-surface);
  font-weight: 600;
  text-decoration: none;
}

.skip-link:focus {
  top: 0.75rem;
}

.layout-container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Handwritten-style short annotation tag (never used for long paragraphs) */
.journal-note {
  font-family: var(--font-note);
  font-size: 0.95rem;
  color: var(--accent-main);
  letter-spacing: 0.03em;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(245, 240, 229, 0.94);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-line);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 70px;
  gap: 1rem;
}

.site-header__logo {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  min-height: 44px;
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.site-header__logo:hover {
  color: var(--accent-main);
}

.site-header__logo-mark {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
}

.site-header__toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  padding: 0.5rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-line);
  color: var(--text-main);
  cursor: pointer;
}

.site-header__nav {
  display: none;
  position: absolute;
  top: 70px;
  left: 0;
  right: 0;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-line);
  padding: 1rem 1.25rem;
}

.site-header__nav--open {
  display: block;
}

.site-header__menu {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.site-header__link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.5rem 0.75rem;
  color: var(--text-main);
  font-weight: 500;
  font-size: 0.95rem;
  text-decoration: none;
}

.site-header__link:hover,
.site-header__link--active {
  color: var(--accent-main);
}

/* Buttons — Deep-green fill & clear pressed state, full-width on mobile */
.action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 48px;
  padding: 0.8rem 1.6rem;
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 3px;
  cursor: pointer;
  line-height: 1.2;
  transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.1s ease, box-shadow 0.2s ease;
}

.action-btn:active {
  transform: translateY(2px);
}

.action-btn--primary {
  background-color: var(--btn-fill);
  color: var(--bg-surface);
  border-color: var(--btn-fill);
  box-shadow: 0 2px 0 var(--color-secondary);
}

.action-btn--primary:hover {
  background-color: var(--btn-hover);
  border-color: var(--btn-hover);
  color: var(--bg-surface);
}

.action-btn--primary:active {
  box-shadow: 0 0 0 var(--color-secondary);
}

.action-btn--secondary {
  background-color: var(--bg-surface);
  color: var(--text-main);
  border-color: var(--border-line);
  box-shadow: 0 2px 0 var(--border-line);
}

.action-btn--secondary:hover {
  border-color: var(--accent-main);
  color: var(--accent-main);
  background-color: var(--bg-page);
}

.action-btn--full {
  width: 100%;
}

/* Hero Section — Botanical Journal Page & Specimen Frame */
.hero-panel {
  padding: 3rem 0 3.5rem;
  border-bottom: 1px solid var(--border-line);
  background-color: var(--bg-surface);
  position: relative;
}

.hero-panel__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}

.hero-panel__title {
  font-family: var(--font-serif);
  font-size: clamp(1.9rem, 4.2vw, 2.75rem);
  line-height: 1.26;
  font-weight: 700;
  color: var(--text-main);
  margin-top: 0.4rem;
  margin-bottom: 1rem;
}

.hero-panel__subtitle {
  font-size: 1.05rem;
  color: var(--text-sub);
  margin-bottom: 1.5rem;
  max-width: 39rem;
}

.hero-panel__actions {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  margin-bottom: 1rem;
}

.hero-panel__value-note {
  font-family: var(--font-note);
  font-size: 0.95rem;
  color: var(--accent-main);
  margin-bottom: 1.25rem;
}

.hero-panel__trust {
  padding-top: 1.15rem;
  border-top: 1px dashed var(--border-line);
  font-size: 0.875rem;
  color: var(--text-sub);
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
}

.hero-panel__trust-item {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.hero-panel__visual {
  background-color: var(--bg-page);
  border: 1px solid var(--border-line);
  padding: 1rem;
  box-shadow: inset 0 0 0 4px var(--bg-surface), inset 0 0 0 5px var(--border-line);
  transition: border-color 0.25s ease;
}

.hero-panel__visual:hover {
  border-color: var(--color-secondary);
}

.hero-panel__diagram {
  width: 100%;
  height: auto;
}

.hero-panel__botanical-detail {
  opacity: 0.78;
  transition: opacity 0.3s ease, transform 0.3s ease;
  transform-origin: center;
}

.hero-panel__visual:hover .hero-panel__botanical-detail {
  opacity: 1;
  transform: scale(1.03);
}

/* Delicate Hand-Drawn Divider */
.journal-divider {
  width: 100%;
  height: 18px;
  margin: 0 auto;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: transparent;
}

/* Generic Section Layout */
.page-section {
  padding: 3.5rem 0;
  border-bottom: 1px solid var(--border-line);
}

.page-section--surface {
  background-color: var(--bg-surface);
}

.page-section--muted {
  background-color: var(--bg-page);
}

.page-section__header {
  max-width: 44rem;
  margin-bottom: 2.25rem;
}

.page-section__title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2.05rem);
  line-height: 1.32;
  font-weight: 700;
  color: var(--text-main);
  margin-top: 0.25rem;
  margin-bottom: 0.625rem;
}

.page-section__desc {
  font-size: 1rem;
  color: var(--text-sub);
}

/* Feature Grid — Styled as Journal Entries (4 cards) */
.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.35rem;
}

.feature-grid__card {
  background-color: var(--bg-surface);
  padding: 1.75rem 1.5rem;
  border: 1px solid var(--border-line);
  border-top: 3px solid var(--color-secondary);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  position: relative;
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}

.feature-grid__card:hover {
  transform: translateY(-3px);
  border-color: var(--color-secondary);
  border-top-color: var(--accent-main);
  box-shadow: 0 6px 16px rgba(51, 70, 56, 0.06);
}

.feature-grid__icon {
  width: 36px;
  height: 36px;
  color: var(--text-main);
}

.feature-grid__title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-main);
}

.feature-grid__text {
  font-size: 0.95rem;
  color: var(--text-sub);
}

/* Usage Scenarios — Field Notes Cards (4 cards) */
.scenario-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.scenario-grid__card {
  background-color: var(--bg-page);
  border: 1px solid var(--border-line);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: transform 0.22s ease, border-color 0.22s ease;
}

.scenario-grid__card:hover {
  transform: translateY(-2px);
  border-color: var(--accent-main);
}

.scenario-grid__meta {
  display: inline-block;
  align-self: flex-start;
  font-family: var(--font-note);
  font-size: 0.9rem;
  color: var(--text-main);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-line);
  padding: 0.2rem 0.7rem;
}

.scenario-grid__title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
}

.scenario-grid__desc {
  font-size: 0.95rem;
  color: var(--text-sub);
}

/* Streaming & AI Support Matrix — Specimen Index Cards */
.support-matrix {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.support-matrix__item {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-line);
  padding: 1.25rem;
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.support-matrix__item:hover {
  transform: translateY(-2px);
  border-color: var(--color-secondary);
}

.support-matrix__icon {
  width: 24px;
  height: 24px;
  color: var(--accent-main);
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.support-matrix__name {
  font-family: var(--font-serif);
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.25rem;
}

.support-matrix__detail {
  font-size: 0.9rem;
  color: var(--text-sub);
}

.support-matrix__note {
  font-size: 0.875rem;
  color: var(--text-sub);
  padding-top: 0.5rem;
  border-top: 1px dashed var(--border-line);
}

/* Benefits List — Archival Notebook Margin Entries */
.benefit-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.benefit-list__item {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-line);
  border-left: 4px solid var(--color-secondary);
  padding: 1.5rem;
  transition: transform 0.2s ease, border-left-color 0.2s ease;
}

.benefit-list__item:hover {
  transform: translateY(-2px);
  border-left-color: var(--accent-main);
}

.benefit-list__title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

.benefit-list__desc {
  font-size: 0.95rem;
  color: var(--text-sub);
}

/* Pricing Grid — Styled as Neatly Arranged Product / Botanical Labels */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: stretch;
}

.pricing-grid__card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-line);
  outline: 1px solid var(--border-line);
  outline-offset: -7px;
  padding: 2.1rem 1.65rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.pricing-grid__card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(51, 70, 56, 0.07);
}

.pricing-grid__card--featured {
  border: 2px solid var(--accent-main);
  outline: 1px solid var(--color-secondary);
  outline-offset: -7px;
  position: relative;
}

.pricing-grid__badge {
  display: inline-block;
  align-self: flex-start;
  background-color: var(--accent-main);
  color: var(--bg-surface);
  font-family: var(--font-note);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.2rem 0.7rem;
  margin-bottom: 0.75rem;
  letter-spacing: 0.04em;
}

.pricing-grid__name {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-main);
}

.pricing-grid__audience {
  font-size: 0.875rem;
  color: var(--text-sub);
  margin-top: 0.3rem;
  margin-bottom: 1.15rem;
}

.pricing-grid__price {
  font-family: var(--font-serif);
  font-size: 2.05rem;
  font-weight: 700;
  color: var(--text-main);
  padding: 0.85rem 0;
  margin-bottom: 1.25rem;
  border-top: 1px dashed var(--border-line);
  border-bottom: 1px dashed var(--border-line);
}

.pricing-grid__period {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-sub);
}

.pricing-grid__features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}

.pricing-grid__feature-item {
  font-size: 0.95rem;
  color: var(--text-main);
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  padding-bottom: 0.45rem;
  border-bottom: 1px dotted var(--border-line);
}

.pricing-grid__check {
  width: 18px;
  height: 18px;
  color: var(--color-secondary);
  flex-shrink: 0;
  margin-top: 0.25rem;
}

/* FAQ Accordion — Restrained Paper-like Transitions */
.faq-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--border-line);
}

.faq-list__item {
  border-bottom: 1px solid var(--border-line);
  background-color: var(--bg-surface);
}

.faq-list__button {
  width: 100%;
  min-height: 54px;
  padding: 1.15rem 1.25rem;
  background: none;
  border: none;
  text-align: left;
  font-family: var(--font-serif);
  font-size: 1.06rem;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.faq-list__button:hover {
  color: var(--accent-main);
  background-color: rgba(245, 240, 229, 0.45);
}

.faq-list__indicator {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--accent-main);
  transition: transform 0.25s ease;
}

.faq-list__button[aria-expanded="true"] .faq-list__indicator {
  transform: rotate(180deg);
}

.faq-list__panel {
  padding: 0 1.25rem 1.25rem;
  color: var(--text-sub);
  font-size: 0.95rem;
}

.faq-list__panel[hidden] {
  display: none;
}

/* Final CTA Banner */
.final-cta {
  padding: 4rem 0;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-line);
}

.final-cta__box {
  background-color: var(--bg-page);
  border: 1px solid var(--border-line);
  outline: 1px solid var(--color-secondary);
  outline-offset: -8px;
  padding: 2.75rem 1.5rem;
  text-align: center;
  max-width: 50rem;
  margin: 0 auto;
}

.final-cta__title {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.75rem;
}

.final-cta__desc {
  font-size: 1rem;
  color: var(--text-sub);
  margin-bottom: 1.5rem;
}

/* Footer */
.site-footer {
  margin-top: auto;
  padding: 2.5rem 0 5rem;
  background-color: var(--bg-page);
  font-size: 0.875rem;
  color: var(--text-sub);
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.site-footer__links {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
}

.site-footer__link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--text-main);
  font-weight: 500;
  text-decoration: none;
}

.site-footer__link:hover {
  color: var(--accent-main);
}

.site-footer__disclosure,
.site-footer__copy {
  line-height: 1.5;
}

/* Guides Index & Article Pages */
.breadcrumb-bar {
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--border-line);
  background-color: var(--bg-surface);
  font-size: 0.875rem;
}

.breadcrumb-bar__list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-sub);
}

.breadcrumb-bar__link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--text-main);
  font-weight: 500;
}

.guide-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.guide-grid__card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-line);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.22s ease, border-color 0.22s ease;
}

.guide-grid__card:hover {
  transform: translateY(-3px);
  border-color: var(--color-secondary);
}

.guide-grid__thumb {
  width: 100%;
  height: auto;
  border-bottom: 1px solid var(--border-line);
  background-color: var(--bg-page);
}

.guide-grid__body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex-grow: 1;
}

.guide-grid__meta {
  font-family: var(--font-note);
  font-size: 0.875rem;
  color: var(--accent-main);
  display: flex;
  gap: 1rem;
}

.guide-grid__title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.38;
}

.guide-grid__title-link {
  color: var(--text-main);
  text-decoration: none;
}

.guide-grid__title-link:hover {
  color: var(--accent-main);
}

.guide-grid__excerpt {
  font-size: 0.95rem;
  color: var(--text-sub);
  flex-grow: 1;
}

.guide-grid__more {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  min-height: 44px;
  font-weight: 600;
  color: var(--accent-main);
}

/* Article Content Layout */
.article-wrap {
  padding: 2.5rem 0 3.5rem;
}

.article-doc {
  max-width: 48rem;
  margin: 0 auto;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-line);
  padding: 1.75rem 1.25rem;
}

.article-doc__header {
  border-bottom: 1px dashed var(--border-line);
  padding-bottom: 1.25rem;
  margin-bottom: 1.75rem;
}

.article-doc__title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3.5vw, 2.1rem);
  line-height: 1.32;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.75rem;
}

.article-doc__meta {
  font-family: var(--font-note);
  font-size: 0.925rem;
  color: var(--accent-main);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
}

.article-doc__content h2 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
  margin: 2rem 0 0.875rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border-line);
}

.article-doc__content h3 {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-main);
  margin: 1.5rem 0 0.625rem;
}

.article-doc__content p {
  margin-bottom: 1.125rem;
  color: var(--text-main);
}

.article-doc__content ul,
.article-doc__content ol {
  margin: 0 0 1.25rem 1.25rem;
  color: var(--text-main);
}

.article-doc__content li {
  margin-bottom: 0.5rem;
}

.article-doc__table-wrap {
  overflow-x: auto;
  margin-bottom: 1.5rem;
}

.article-doc__table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.925rem;
}

.article-doc__table th,
.article-doc__table td {
  border: 1px solid var(--border-line);
  padding: 0.75rem;
  text-align: left;
}

.article-doc__table th {
  background-color: var(--bg-page);
  font-family: var(--font-serif);
  font-weight: 700;
}

.article-doc__cta {
  margin-top: 2.25rem;
  padding: 1.75rem;
  background-color: var(--bg-page);
  border: 1px solid var(--border-line);
  outline: 1px solid var(--color-secondary);
  outline-offset: -6px;
  text-align: center;
}

.article-doc__cta-title {
  font-family: var(--font-serif);
  font-size: 1.22rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.article-doc__cta-desc {
  font-size: 0.95rem;
  color: var(--text-sub);
  margin-bottom: 1.25rem;
}

.article-doc__related {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px dashed var(--border-line);
}

.article-doc__related-title {
  font-family: var(--font-serif);
  font-size: 1.12rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.article-doc__related-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.article-doc__related-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-weight: 500;
}

/* Mobile Sticky Bottom CTA */
.sticky-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 90;
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-line);
  padding: 0.625rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  transform: translateY(100%);
  transition: transform 0.22s ease;
}

.sticky-bar--visible {
  transform: translateY(0);
}

.sticky-bar__text {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-main);
}

.sticky-bar__btn {
  width: auto;
  min-height: 44px;
  padding: 0.5rem 1.2rem;
  font-size: 0.9rem;
  flex-shrink: 0;
}

/* Responsive Breakpoints */
@media (min-width: 768px) {
  .site-header__toggle {
    display: none;
  }

  .site-header__nav {
    display: block;
    position: static;
    border-bottom: none;
    background: none;
    padding: 0;
  }

  .site-header__menu {
    flex-direction: row;
    align-items: center;
    gap: 0.5rem;
  }

  .action-btn {
    width: auto;
  }

  .action-btn--full {
    width: 100%;
  }

  .hero-panel__actions {
    flex-direction: row;
    flex-wrap: wrap;
  }

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

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

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

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

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

  .article-doc {
    padding: 2.5rem 2.75rem;
  }

  .site-footer {
    padding-bottom: 2.5rem;
  }

  .sticky-bar {
    display: none;
  }
}

@media (min-width: 1024px) {
  .hero-panel__grid {
    grid-template-columns: 1.12fr 0.88fr;
  }

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

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

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

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

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