/* ==========================================================================
   秒秒云 Botanical Puzzle-Game Theme Stylesheet
   Color Palette:
   - Botanical Ivory: #F5F3E7 (Background / Light surfaces)
   - Leaf Green:      #426B43 (Primary brand / Forest canopy)
   - Pale Lilac:      #C8B4D9 (Accent botanical flower / Soft highlight)
   - Terracotta:      #BD7054 (Accent pottery / Earthy call-to-actions)
   - Deep Moss Bark:  #1E2C1E (Headings & high contrast text)
   - Earth Gray:      #4A544A (Body text)
   - Soil Border:     #DBD4BF (Border line & structural dividers)
   ========================================================================== */

:root {
  --color-ivory: #F5F3E7;
  --color-ivory-light: #FAF9F3;
  --color-ivory-card: #FFFFFF;
  --color-leaf: #426B43;
  --color-leaf-hover: #325333;
  --color-leaf-light: #EBF2EC;
  --color-lilac: #C8B4D9;
  --color-lilac-light: #F4EFF8;
  --color-terracotta: #BD7054;
  --color-terracotta-hover: #A55D43;
  --color-terracotta-light: #F9EFEA;
  --color-dark: #1E2C1E;
  --color-text: #374238;
  --color-text-muted: #647065;
  --color-border: #DBD4BF;
  --color-border-subtle: #EBE5D6;
  
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Source Han Serif CN", SimSun, "Songti SC", STSong, Georgia, serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  
  --shadow-sm: 0 2px 6px rgba(30, 44, 30, 0.05);
  --shadow-md: 0 8px 24px rgba(30, 44, 30, 0.08);
  --shadow-lg: 0 16px 36px rgba(30, 44, 30, 0.12);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --container-max: 1240px;
  --transition: all 0.25s ease-in-out;
}

/* Base Reset & Box Sizing */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  background-color: var(--color-ivory);
  color: var(--color-text);
  font-family: var(--font-sans);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  background-color: var(--color-ivory);
  overflow-x: hidden;
  position: relative;
}

/* Background Botanical Linework Texture */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(200, 180, 217, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(66, 107, 67, 0.06) 0%, transparent 45%),
    linear-gradient(to right, rgba(66, 107, 67, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(66, 107, 67, 0.03) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 48px 48px, 48px 48px;
  pointer-events: none;
  z-index: -1;
}

/* Accessibility: Skip Link & Focus */
.skip-link {
  position: absolute;
  top: -100px;
  left: 20px;
  background: var(--color-dark);
  color: var(--color-ivory);
  padding: 10px 18px;
  font-weight: 600;
  z-index: 99999;
  border-radius: var(--radius-sm);
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 20px;
  outline: 3px solid var(--color-terracotta);
}

:focus-visible {
  outline: 3px solid var(--color-terracotta);
  outline-offset: 3px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Typography Standards */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--color-dark);
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: -0.01em;
}

p {
  margin-bottom: 1rem;
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--color-leaf);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--color-leaf-hover);
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

.section {
  padding: 64px 0;
  position: relative;
}

@media (min-width: 768px) {
  .section {
    padding: 88px 0;
  }
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 48px auto;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-serif);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-terracotta);
  font-weight: 600;
  margin-bottom: 12px;
  background: var(--color-terracotta-light);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(189, 112, 84, 0.25);
}

.section-title {
  font-size: 1.85rem;
  margin-bottom: 16px;
  color: var(--color-dark);
}

@media (min-width: 768px) {
  .section-title {
    font-size: 2.35rem;
  }
}

.section-desc {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
  text-decoration: none;
  line-height: 1.2;
}

.btn-primary {
  background-color: var(--color-terracotta);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(189, 112, 84, 0.3);
}

.btn-primary:hover {
  background-color: var(--color-terracotta-hover);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(189, 112, 84, 0.4);
}

.btn-secondary {
  background-color: var(--color-leaf-light);
  color: var(--color-leaf);
  border: 1px solid var(--color-leaf);
}

.btn-secondary:hover {
  background-color: var(--color-leaf);
  color: #FFFFFF;
}

.btn-outline {
  background-color: transparent;
  color: var(--color-dark);
  border: 1px solid var(--color-border);
}

.btn-outline:hover {
  background-color: #FFFFFF;
  border-color: var(--color-leaf);
  color: var(--color-leaf);
}

.btn-sm {
  padding: 8px 14px;
  font-size: 0.85rem;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(245, 243, 231, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  transition: background-color 0.3s ease;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-logo-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-logo-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-leaf);
  line-height: 1.15;
}

.brand-badge {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--color-terracotta);
  font-weight: 600;
}

.nav-desktop {
  display: none;
}

@media (min-width: 1024px) {
  .nav-desktop {
    display: flex;
    align-items: center;
    gap: 24px;
  }
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--color-dark);
  position: relative;
  padding: 6px 0;
}

.nav-link:hover {
  color: var(--color-leaf);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--color-leaf);
  transition: width 0.2s ease;
}

.nav-link:hover::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Mobile Menu Toggle Button */
.menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 10px;
  cursor: pointer;
}

@media (min-width: 1024px) {
  .menu-toggle {
    display: none;
  }
}

.menu-toggle span {
  width: 100%;
  height: 2px;
  background-color: var(--color-dark);
  transition: var(--transition);
  transform-origin: 1px;
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: rotate(45deg);
}
.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: rotate(-45deg);
}

/* Mobile Drawer */
.mobile-nav-drawer {
  position: fixed;
  top: 73px;
  left: 0;
  width: 100%;
  height: calc(100vh - 73px);
  background-color: var(--color-ivory);
  border-top: 1px solid var(--color-border);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  overflow-y: auto;
  transform: translateY(-110%);
  transition: transform 0.3s ease-in-out;
  z-index: 999;
}

.mobile-nav-drawer.open {
  transform: translateY(0);
}

.mobile-nav-link {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--color-dark);
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border-bottom: 1px dashed var(--color-border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mobile-nav-link:hover {
  background-color: var(--color-leaf-light);
  color: var(--color-leaf);
}

.mobile-cta {
  margin-top: 16px;
  width: 100%;
}

/* ==========================================================================
   Hero Section: Greenhouse Window + Readable Panel
   ========================================================================== */
.hero-section {
  padding: 48px 0 64px 0;
  border-bottom: 1px solid var(--color-border);
  position: relative;
  background: linear-gradient(180deg, rgba(245, 243, 231, 0.4) 0%, rgba(200, 180, 217, 0.12) 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: center;
}

@media (min-width: 992px) {
  .hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 48px;
  }
}

/* Hero Readable Information Panel */
.hero-panel {
  background-color: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  box-shadow: var(--shadow-sm);
  position: relative;
}

@media (min-width: 768px) {
  .hero-panel {
    padding: 44px 36px;
  }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--color-leaf);
  background-color: var(--color-leaf-light);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
  font-weight: 600;
  border: 1px solid rgba(66, 107, 67, 0.2);
}

.hero-title {
  font-size: 2.1rem;
  color: var(--color-dark);
  margin-bottom: 18px;
  line-height: 1.25;
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 2.75rem;
  }
}

.hero-title .brand-tag {
  color: var(--color-leaf);
  display: inline-block;
  border-bottom: 3px solid var(--color-terracotta);
}

.hero-sub {
  display: block;
  font-size: 1.2rem;
  color: var(--color-terracotta);
  font-weight: 600;
  margin-top: 6px;
  font-family: var(--font-sans);
}

.hero-intro {
  font-size: 1.05rem;
  color: var(--color-text);
  margin-bottom: 28px;
  line-height: 1.75;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 24px;
}

.hero-feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 18px;
  border-top: 1px dashed var(--color-border);
}

.feature-pill {
  font-size: 0.82rem;
  color: var(--color-dark);
  background: var(--color-ivory);
  border: 1px solid var(--color-border);
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Greenhouse Window Container (Right Side / Interactive Frame) */
.greenhouse-window {
  background: #FFFFFF;
  border: 2px solid var(--color-border);
  border-radius: 120px 120px 16px 16px;
  padding: 24px 20px;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  background-image: 
    linear-gradient(rgba(189, 112, 84, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(189, 112, 84, 0.08) 1px, transparent 1px);
  background-size: 28px 28px;
}

.window-header {
  text-align: center;
  margin-bottom: 12px;
}

.window-title {
  font-size: 1.05rem;
  font-family: var(--font-serif);
  color: var(--color-leaf);
}

.window-meta {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* Plant Illustration & Growth Stages */
.plant-stage-canvas {
  width: 100%;
  max-width: 320px;
  height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 10px 0;
  position: relative;
}

.plant-svg {
  width: 100%;
  height: 100%;
  transition: all 0.4s ease;
}

/* Irrigation Puzzle Controls */
.puzzle-control-panel {
  width: 100%;
  background: var(--color-ivory-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-top: 12px;
}

.puzzle-panel-title {
  font-size: 0.88rem;
  font-weight: 700;
  font-family: var(--font-serif);
  color: var(--color-dark);
  margin-bottom: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.puzzle-state-badge {
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: var(--color-lilac-light);
  color: var(--color-dark);
  border: 1px solid var(--color-lilac);
}

.puzzle-state-badge.completed {
  background: var(--color-leaf-light);
  color: var(--color-leaf);
  border-color: var(--color-leaf);
  font-weight: 700;
}

.irrigation-channels-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 12px;
}

.channel-btn {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 8px 4px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-dark);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  transition: var(--transition);
}

.channel-btn:hover {
  border-color: var(--color-leaf);
  background-color: var(--color-ivory);
}

.channel-btn[aria-pressed="true"] {
  background: var(--color-leaf);
  color: #FFFFFF;
  border-color: var(--color-leaf-hover);
}

.channel-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #CBD5E1;
  transition: background-color 0.25s ease;
}

.channel-btn[aria-pressed="true"] .channel-indicator {
  background-color: var(--color-lilac);
  box-shadow: 0 0 8px #FFFFFF;
}

.puzzle-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.btn-reset {
  background: transparent;
  border: 1px dashed var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.btn-reset:hover {
  color: var(--color-terracotta);
  border-color: var(--color-terracotta);
}

.puzzle-disclaimer {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  text-align: center;
  margin-top: 10px;
  line-height: 1.4;
  border-top: 1px solid var(--color-border-subtle);
  padding-top: 8px;
}

/* ==========================================================================
   Advantages Section: Botanical Labels
   ========================================================================== */
.advantages-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 640px) {
  .advantages-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .advantages-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.botanical-label-card {
  background: var(--color-ivory-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
}

.botanical-label-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-leaf);
}

.specimen-tag {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px dashed var(--color-border);
  padding-bottom: 10px;
  margin-bottom: 16px;
  font-family: var(--font-serif);
}

.specimen-no {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--color-terracotta);
  font-weight: 700;
}

.specimen-family {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.botanical-icon-box {
  width: 56px;
  height: 56px;
  background: var(--color-leaf-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--color-leaf);
  border: 1px solid rgba(66, 107, 67, 0.2);
}

.label-title {
  font-size: 1.25rem;
  margin-bottom: 10px;
  color: var(--color-dark);
}

.label-text {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  flex-grow: 1;
}

.botanical-note {
  margin-top: 16px;
  padding-top: 10px;
  border-top: 1px solid var(--color-border-subtle);
  font-size: 0.78rem;
  color: var(--color-leaf);
  font-weight: 600;
}

/* ==========================================================================
   Network Branching Diagram Section
   ========================================================================== */
.network-section {
  background-color: var(--color-ivory-light);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.branching-diagram-container {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 20px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 36px;
}

@media (min-width: 768px) {
  .branching-diagram-container {
    padding: 44px;
  }
}

.svg-diagram-wrapper {
  width: 100%;
  overflow-x: auto;
  display: flex;
  justify-content: center;
}

.branching-svg {
  max-width: 100%;
  height: auto;
  min-width: 600px;
}

.network-details-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 640px) {
  .network-details-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .network-details-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.network-detail-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
}

.network-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.network-pin {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--color-terracotta);
}

.network-card-title {
  font-size: 1.1rem;
  color: var(--color-dark);
}

.network-card-list {
  list-style: none;
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

.network-card-list li {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px dashed var(--color-border-subtle);
  padding: 4px 0;
}

/* ==========================================================================
   AI & Streaming Guidance Section
   ========================================================================== */
.ecosystem-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}

@media (min-width: 992px) {
  .ecosystem-container {
    grid-template-columns: 1fr 1fr;
  }
}

.ecosystem-block {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  box-shadow: var(--shadow-sm);
}

.ecosystem-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

.ecosystem-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.ecosystem-icon.ai {
  background: var(--color-lilac-light);
  color: #795290;
  border: 1px solid var(--color-lilac);
}

.ecosystem-icon.stream {
  background: var(--color-terracotta-light);
  color: var(--color-terracotta);
  border: 1px solid rgba(189, 112, 84, 0.3);
}

.ecosystem-title {
  font-size: 1.4rem;
}

.ecosystem-desc {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

.app-items-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 600px) {
  .app-items-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.app-item-card {
  background: var(--color-ivory-light);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  padding: 16px;
}

.app-item-card:hover {
  border-color: var(--color-leaf);
}

.app-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.app-tag {
  font-size: 0.7rem;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--color-ivory);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}

.app-usecase {
  font-size: 0.86rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ==========================================================================
   Pricing Section: Comparison Rows
   ========================================================================== */
.pricing-section {
  background-color: var(--color-ivory);
}

.pricing-notice-banner {
  background: var(--color-lilac-light);
  border: 1px solid var(--color-lilac);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  margin-bottom: 36px;
  font-size: 0.9rem;
  color: var(--color-dark);
  text-align: center;
}

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-bottom: 48px;
}

@media (min-width: 640px) {
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .pricing-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.pricing-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.pricing-card.featured {
  border: 2px solid var(--color-leaf);
  box-shadow: 0 10px 30px rgba(66, 107, 67, 0.15);
  background: linear-gradient(180deg, #FFFFFF 0%, var(--color-ivory-light) 100%);
}

.featured-ribbon {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-leaf);
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.plan-header {
  border-bottom: 1px dashed var(--color-border);
  padding-bottom: 18px;
  margin-bottom: 18px;
}

.plan-title {
  font-size: 1.35rem;
  color: var(--color-dark);
  margin-bottom: 6px;
}

.plan-subtitle {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.plan-price-wrap {
  margin-bottom: 20px;
}

.price-currency {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-terracotta);
}

.price-amount {
  font-size: 2.2rem;
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--color-dark);
}

.price-period {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.plan-specs {
  list-style: none;
  margin-bottom: 24px;
  flex-grow: 1;
}

.plan-specs li {
  font-size: 0.88rem;
  color: var(--color-text);
  padding: 8px 0;
  border-bottom: 1px solid var(--color-border-subtle);
  display: flex;
  align-items: center;
  gap: 8px;
}

.plan-specs li svg {
  color: var(--color-leaf);
  flex-shrink: 0;
}

.spec-disclaimer {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-align: center;
  margin-top: 10px;
}

/* Pricing Detailed Comparison Table */
.comparison-table-wrapper {
  overflow-x: auto;
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-top: 36px;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
  min-width: 600px;
}

.comparison-table th,
.comparison-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--color-border-subtle);
}

.comparison-table th {
  background-color: var(--color-ivory-light);
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--color-dark);
}

.comparison-table tr:hover td {
  background-color: var(--color-ivory-light);
}

/* ==========================================================================
   Nine Illustrated Articles Section
   Directly following pricing: desktop 3x3 / tablet 2 / mobile 1
   ========================================================================== */
.articles-section {
  background-color: var(--color-ivory-light);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.articles-grid-9 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

@media (min-width: 640px) {
  .articles-grid-9 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .articles-grid-9 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.article-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-leaf);
}

.article-card-thumb {
  height: 150px;
  background-color: var(--color-ivory);
  border-bottom: 1px solid var(--color-border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.thumb-svg {
  width: 100%;
  height: 100%;
}

.article-card-body {
  padding: 22px 20px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-bottom: 10px;
}

.article-category {
  color: var(--color-terracotta);
  font-weight: 600;
}

.article-title {
  font-size: 1.15rem;
  margin-bottom: 10px;
  line-height: 1.35;
}

.article-title a {
  color: var(--color-dark);
}

.article-title a:hover {
  color: var(--color-leaf);
}

.article-snippet {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 18px;
  flex-grow: 1;
}

.article-link-action {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-leaf);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.article-link-action:hover {
  color: var(--color-leaf-hover);
  text-decoration: underline;
}

/* ==========================================================================
   Review Cards Section
   3-6 Illustrative Experience Reviews
   ========================================================================== */
.reviews-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 640px) {
  .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .reviews-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.review-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.review-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.avatar-initial {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-leaf-light);
  color: var(--color-leaf);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.1rem;
  border: 1px solid var(--color-leaf);
}

.reviewer-info h4 {
  font-size: 1rem;
  color: var(--color-dark);
}

.reviewer-tag {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.review-text {
  font-size: 0.92rem;
  color: var(--color-text);
  line-height: 1.6;
  flex-grow: 1;
  font-style: italic;
  position: relative;
}

.review-meta-note {
  margin-top: 14px;
  padding-top: 8px;
  border-top: 1px dashed var(--color-border-subtle);
  font-size: 0.75rem;
  color: var(--color-terracotta);
}

/* ==========================================================================
   FAQ Section: Accordion
   ========================================================================== */
.faq-container {
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: var(--color-leaf);
}

.faq-question {
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  padding: 18px 22px;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.faq-question:focus-visible {
  background: var(--color-ivory-light);
}

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

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 22px;
  color: var(--color-text);
  font-size: 0.94rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 400px;
  padding: 0 22px 20px 22px;
}

/* ==========================================================================
   Concise Footer & Legal Disclosure
   ========================================================================== */
.site-footer {
  background: #182218;
  color: #C2CBC2;
  padding: 64px 0 32px 0;
  border-top: 3px solid var(--color-leaf);
  font-size: 0.88rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  margin-bottom: 48px;
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 2.2fr 1.2fr 1.2fr 1.4fr;
  }
}

.footer-brand h3 {
  color: #F5F3E7;
  font-size: 1.35rem;
  margin-bottom: 12px;
}

.footer-desc {
  font-size: 0.85rem;
  line-height: 1.7;
  color: #9EAA9E;
  margin-bottom: 18px;
}

.footer-col h4 {
  color: #F5F3E7;
  font-size: 1rem;
  margin-bottom: 16px;
  font-family: var(--font-serif);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: #C2CBC2;
}

.footer-links a:hover {
  color: var(--color-lilac);
}

.external-recommendations {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
}

.external-recommendations h5 {
  color: var(--color-terracotta);
  font-size: 0.82rem;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: center;
  text-align: center;
  font-size: 0.8rem;
  color: #839183;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

/* ==========================================================================
   Article Pages & Subpage Template Styles
   ========================================================================== */
.page-header {
  padding: 44px 0 28px 0;
  background-color: var(--color-ivory-light);
  border-bottom: 1px solid var(--color-border);
}

.breadcrumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.84rem;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

.breadcrumbs a {
  color: var(--color-leaf);
}

.breadcrumbs span.separator {
  color: var(--color-border);
}

.article-hero-title {
  font-size: 2rem;
  line-height: 1.3;
  margin-bottom: 14px;
}

@media (min-width: 768px) {
  .article-hero-title {
    font-size: 2.6rem;
  }
}

.article-meta-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  padding-top: 12px;
  border-top: 1px dashed var(--color-border);
}

.article-content-layout {
  padding: 56px 0;
}

.article-main-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

@media (min-width: 992px) {
  .article-main-grid {
    grid-template-columns: 1fr 320px;
  }
}

.article-body {
  font-size: 1.02rem;
  line-height: 1.85;
  color: #2D372E;
}

.article-body h2 {
  font-size: 1.6rem;
  margin: 36px 0 16px 0;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-border-subtle);
  color: var(--color-dark);
}

.article-body h3 {
  font-size: 1.25rem;
  margin: 24px 0 12px 0;
  color: var(--color-leaf);
}

.article-body ul, .article-body ol {
  margin-bottom: 20px;
  padding-left: 24px;
}

.article-body li {
  margin-bottom: 8px;
}

.article-body blockquote {
  background-color: var(--color-ivory-light);
  border-left: 4px solid var(--color-terracotta);
  padding: 16px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 24px 0;
  font-style: italic;
  color: var(--color-dark);
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 0.92rem;
}

.article-body th, .article-body td {
  padding: 10px 14px;
  border: 1px solid var(--color-border);
}

.article-body th {
  background-color: var(--color-ivory-light);
  font-family: var(--font-serif);
}

.article-cta-box {
  background: linear-gradient(135deg, var(--color-leaf-light) 0%, var(--color-ivory-light) 100%);
  border: 2px solid var(--color-leaf);
  border-radius: var(--radius-md);
  padding: 28px;
  margin: 40px 0;
  text-align: center;
}

.article-cta-box h3 {
  font-size: 1.4rem;
  color: var(--color-leaf);
  margin-bottom: 10px;
}

.article-cta-box p {
  font-size: 0.95rem;
  color: var(--color-dark);
  margin-bottom: 18px;
}

.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sidebar-widget {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.sidebar-widget h4 {
  font-size: 1.1rem;
  margin-bottom: 16px;
  border-bottom: 1px dashed var(--color-border);
  padding-bottom: 8px;
  color: var(--color-dark);
}

.related-articles-list {
  list-style: none;
}

.related-articles-list li {
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border-subtle);
}

.related-articles-list a {
  font-size: 0.9rem;
  color: var(--color-dark);
  font-weight: 500;
  line-height: 1.4;
  display: block;
}

.related-articles-list a:hover {
  color: var(--color-leaf);
}

/* ==========================================================================
   Reduced Motion Preferences
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  
  .plant-growth-animated {
    animation: none !important;
    transform: none !important;
  }
}