/* ==========================================================================
   Rosewood Creative Studio Design System - Gatern Landing & Guide Platform
   Palette:
     Background: #FAF7F4
     Rosewood: #643E3D (Deep, warm studio rosewood)
     Muted Jade: #7B9C8B (Sage/jade accent)
     Light Blush: #EEDFD9 (Soft blush tint)
   Typography:
     Short Display Headings: Chinese Kai-style serif fallback
     Body / Paragraphs: Neutral system sans-serif (17px)
     H1: 52px desktop / 35px mobile
   ========================================================================== */

:root {
  /* Brand Palette */
  --bg-color: #FAF7F4;
  --bg-card: #FFFFFF;
  --bg-card-alt: #F6EEEA;
  --bg-card-muted: #F8F1ED;
  --color-rosewood: #643E3D;
  --color-rosewood-dark: #4A2D2C;
  --color-rosewood-light: #7E4F4E;
  --color-muted-jade: #7B9C8B;
  --color-jade-dark: #587969;
  --color-jade-light: #A5C0B2;
  --color-jade-pale: #EDF4F0;
  --color-light-blush: #EEDFD9;
  --color-blush-border: #E2CEC6;
  --color-blush-soft: #F9F2EF;
  
  /* Text & Neutral Colors */
  --color-text-main: #2C2221;
  --color-text-muted: #645654;
  --color-text-light: #8E7D7A;
  --border-color: #E5D8D2;
  --border-main: #E5D8D2;
  --border-subtle: #EFE4DF;

  /* Typography */
  --font-serif: "Kaiti SC", "STKaiti", "KaiTi", "楷体", "Noto Serif SC", "Source Han Serif SC", SimSun, Georgia, serif;
  --font-heading: "Kaiti SC", "STKaiti", "KaiTi", "楷体", "Noto Serif SC", "Source Han Serif SC", SimSun, Georgia, serif;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-body: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;

  --font-size-base: 17px;
  --line-height-base: 1.75;

  /* Containers & Spacing */
  --container-max: 1200px;
  --container-reading: 840px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;

  /* Studio Paper Aesthetics */
  --shadow-editorial: 0 4px 20px rgba(100, 62, 61, 0.05);
  --shadow-paper: 0 4px 20px rgba(100, 62, 61, 0.05);
  --shadow-paper-hover: 0 10px 28px rgba(100, 62, 61, 0.09);
  --shadow-layer-1: 0 6px 20px rgba(100, 62, 61, 0.06);
  --shadow-layer-2: 0 16px 40px rgba(100, 62, 61, 0.1);

  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   CSS Reset & Base Setup
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
  background-color: var(--bg-color);
  color: var(--color-text-main);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: var(--line-height-base);
  background-color: var(--bg-color);
  color: var(--color-text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  word-break: break-word;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
  color: var(--color-rosewood-dark);
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-rosewood);
  line-height: 1.25;
  letter-spacing: -0.01em;
}

h1 {
  font-size: 35px; /* Mobile */
  line-height: 1.2;
}

@media (min-width: 1024px) {
  h1 {
    font-size: 52px; /* Desktop */
    line-height: 1.18;
  }
}

h2 {
  font-size: 1.85rem;
  margin-bottom: 0.85rem;
}

h3 {
  font-size: 1.35rem;
  margin-bottom: 0.65rem;
}

h4 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

p {
  margin-bottom: 1.25rem;
  color: var(--color-text-muted);
}

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

/* ==========================================================================
   Layout Containers
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.container-narrow,
.container-reading {
  max-width: var(--container-reading);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.section {
  padding-top: 4.5rem;
  padding-bottom: 4.5rem;
  position: relative;
}

.section-alt {
  background-color: var(--bg-card-alt);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.section-header {
  margin-bottom: 3rem;
}

.section-header.text-center {
  text-align: center;
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
}

.section-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-muted-jade);
  background-color: var(--color-jade-pale);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  margin-bottom: 0.85rem;
  font-weight: 600;
  border: 1px solid rgba(123, 156, 139, 0.25);
}

.section-title {
  color: var(--color-rosewood);
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(250, 247, 244, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-subtle);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.25rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-rosewood);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  background-color: var(--color-rosewood);
  color: #FAF7F4;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 700;
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: 1.5rem;
}

.nav-desktop a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-muted);
  position: relative;
  padding: 0.25rem 0;
}

.nav-desktop a:hover {
  color: var(--color-rosewood);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.hamburger-toggle {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 2rem;
  height: 1.35rem;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
}

.hamburger-line {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-rosewood);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.mobile-nav-drawer {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: #FAF7F4;
  border-bottom: 1px solid var(--border-main);
  box-shadow: 0 12px 30px rgba(100, 62, 61, 0.08);
  padding: 1.25rem 1.5rem 1.75rem;
}

.mobile-nav-drawer.is-open {
  display: block;
}

.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.mobile-nav-list a {
  display: block;
  padding: 0.5rem 0;
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--color-text-main);
  border-bottom: 1px solid var(--border-subtle);
}

.mobile-nav-list a:hover {
  color: var(--color-rosewood);
}

@media (min-width: 1024px) {
  .nav-desktop {
    display: flex;
  }
  .hamburger-toggle {
    display: none;
  }
}

/* ==========================================================================
   Buttons & CTAs
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.65rem 1.35rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  white-space: nowrap;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--color-rosewood);
  color: #FAF7F4;
}

.btn-primary:hover {
  background-color: var(--color-rosewood-dark);
  color: #FFFFFF;
  box-shadow: 0 4px 12px rgba(100, 62, 61, 0.2);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-rosewood);
  border-color: var(--color-rosewood);
}

.btn-secondary:hover {
  background-color: var(--color-light-blush);
  color: var(--color-rosewood-dark);
}

.btn-lg {
  padding: 0.85rem 1.85rem;
  font-size: 1.05rem;
}

.editorial-link {
  color: var(--color-rosewood);
  text-decoration: underline;
  font-weight: 500;
}

.editorial-link:hover {
  color: var(--color-muted-jade);
}

/* ==========================================================================
   Hero Section: Editorial Left / Right Overlapping Paper Panels Dashboard
   ========================================================================== */
.hero-section {
  padding-top: 3.5rem;
  padding-bottom: 4.5rem;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
  }
}

.hero-editorial-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--color-rosewood);
  background-color: var(--color-light-blush);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.25rem;
  font-weight: 600;
  border: 1px solid var(--color-blush-border);
}

.hero-editorial-tag span {
  color: var(--color-muted-jade);
  font-size: 0.9rem;
}

.hero-content h1 {
  margin-bottom: 1.25rem;
}

.hero-lead {
  font-size: 1.08rem;
  line-height: 1.8;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
}

.hero-meta-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-main);
}

.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

.hero-meta-item svg {
  color: var(--color-muted-jade);
}

/* Overlapping Paper-like Route Panels Dashboard */
.hero-visual {
  position: relative;
  width: 100%;
}

.paper-dashboard {
  position: relative;
  padding: 1.5rem 0.5rem;
  min-height: 420px;
}

.paper-panel {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-main);
  box-shadow: var(--shadow-layer-1);
  padding: 1.5rem;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.paper-panel-back {
  background-color: #FAF5F2;
  border-color: var(--color-blush-border);
  transform: rotate(-2.5deg) translate(-8px, -10px);
  width: 95%;
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 1;
  opacity: 0.92;
}

.paper-panel-front {
  position: relative;
  z-index: 2;
  background-color: #FFFFFF;
  border: 1.5px solid var(--color-rosewood);
  box-shadow: var(--shadow-layer-2);
  margin-top: 3.5rem;
  margin-left: 1rem;
  width: 96%;
}

.paper-panel-accent {
  position: absolute;
  bottom: -20px;
  right: 5px;
  z-index: 3;
  width: 84%;
  background: #FAF7F4;
  border: 1px solid var(--color-muted-jade);
  box-shadow: var(--shadow-paper-hover);
  padding: 1rem 1.25rem;
  transform: rotate(1.5deg);
}

@media (max-width: 640px) {
  .paper-dashboard {
    min-height: auto;
    padding: 0.5rem 0;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
  }
  .paper-panel-back {
    position: static;
    transform: none;
    width: 100%;
    opacity: 1;
  }
  .paper-panel-front {
    position: static;
    margin-top: 0;
    margin-left: 0;
    width: 100%;
  }
  .paper-panel-accent {
    position: static;
    transform: none;
    width: 100%;
  }
}

.paper-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px dashed var(--border-main);
  padding-bottom: 0.75rem;
  margin-bottom: 1rem;
}

.paper-route-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-rosewood);
  background: var(--color-light-blush);
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
}

.paper-route-status {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  color: var(--color-muted-jade);
  font-weight: 600;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-muted-jade);
  display: inline-block;
}

.paper-route-title {
  font-family: var(--font-heading);
  font-size: 1.18rem;
  color: var(--color-rosewood);
  margin-bottom: 0.5rem;
}

.paper-route-desc {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  margin-bottom: 0.85rem;
}

.paper-route-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.paper-badge {
  font-size: 0.75rem;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  background-color: var(--color-blush-soft);
  color: var(--color-rosewood);
  border: 1px solid var(--border-subtle);
  font-weight: 500;
}

.paper-badge.jade {
  background-color: var(--color-jade-pale);
  color: var(--color-jade-dark);
  border-color: rgba(123, 156, 139, 0.25);
}

/* ==========================================================================
   Irregular Layout: One Large Advantage Story, Two Smaller Benefit Columns
   ========================================================================== */
.advantages-asymmetric-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 1024px) {
  .advantages-asymmetric-grid {
    grid-template-columns: 1.25fr 1fr;
    gap: 2.5rem;
    align-items: stretch;
  }
}

.advantage-story-large {
  background: var(--bg-card);
  border: 1px solid var(--border-main);
  border-radius: var(--radius-md);
  padding: 2.5rem 2rem;
  box-shadow: var(--shadow-paper);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.advantage-story-large .story-number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  color: var(--color-light-blush);
  font-weight: 700;
  line-height: 1;
  margin-bottom: 0.75rem;
}

.advantage-story-large h3 {
  font-size: 1.65rem;
  color: var(--color-rosewood);
  margin-bottom: 1.25rem;
}

.advantage-story-large p {
  font-size: 1.02rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.story-diagram {
  background: var(--bg-card-alt);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--color-rosewood);
  padding: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-text-main);
  line-height: 1.7;
  margin-top: 1.5rem;
}

.story-highlights {
  list-style: none;
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.story-highlights li {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.story-highlights li::before {
  content: "✦";
  color: var(--color-muted-jade);
  font-weight: bold;
}

.advantages-sub-stack {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.advantage-card-small {
  background: var(--bg-card);
  border: 1px solid var(--border-main);
  border-radius: var(--radius-md);
  padding: 1.85rem 1.65rem;
  box-shadow: var(--shadow-paper);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.advantage-card-small .story-number {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  color: var(--color-muted-jade);
  font-weight: 700;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.advantage-card-small h3 {
  font-size: 1.28rem;
  color: var(--color-rosewood);
  margin-bottom: 0.75rem;
}

.advantage-card-small p {
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 1rem;
}

.code-snippet-small {
  background: var(--bg-card-alt);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-text-main);
  line-height: 1.6;
}

/* ==========================================================================
   Horizontal Journey: Global Nodes
   ========================================================================== */
.journey-container {
  position: relative;
  margin-top: 2rem;
}

.journey-path-desktop {
  display: none;
}

@media (min-width: 1024px) {
  .journey-path-desktop {
    display: block;
    position: absolute;
    top: 36px;
    left: 8%;
    right: 8%;
    height: 2px;
    border-top: 2px dashed var(--color-blush-border);
    z-index: 1;
  }
}

.journey-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  position: relative;
  z-index: 2;
}

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

@media (min-width: 1024px) {
  .journey-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
  }
}

.journey-station-card {
  background: var(--bg-card);
  border: 1px solid var(--border-main);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.4rem;
  box-shadow: var(--shadow-paper);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.journey-station-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-paper-hover);
}

.station-milestone {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  background-color: var(--color-rosewood);
  color: #FAF7F4;
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 1rem;
  box-shadow: 0 0 0 4px var(--bg-color);
}

.station-region {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-muted-jade);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
  font-weight: 600;
}

.station-title {
  font-size: 1.25rem;
  color: var(--color-rosewood);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.station-desc {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.station-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: auto;
}

/* ==========================================================================
   AI & Streaming Alternating Full-width Sections
   ========================================================================== */
.scenarios-grid,
.scene-cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

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

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

.scenario-paper-card,
.scene-card {
  background: var(--bg-card);
  border: 1px solid var(--border-main);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.5rem;
  box-shadow: var(--shadow-paper);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.scenario-paper-card:hover,
.scene-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-rosewood);
}

.scenario-card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}

.scenario-icon,
.scene-card-icon {
  font-size: 1.5rem;
}

.scenario-card-title,
.scene-card-title {
  font-size: 1.15rem;
  color: var(--color-rosewood);
  margin-bottom: 0;
}

.scenario-card-desc,
.scene-card-desc {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: 1.25rem;
}

.scenario-card-footer,
.scene-card-footer {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-muted-jade);
  font-weight: 600;
  background-color: var(--color-jade-pale);
  padding: 0.35rem 0.65rem;
  border-radius: var(--radius-sm);
  display: inline-block;
  border: 1px solid rgba(123, 156, 139, 0.2);
}

/* ==========================================================================
   Pricing: Simple Framed Columns
   ========================================================================== */
.pricing-columns-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  margin-bottom: 1.75rem;
}

@media (min-width: 768px) {
  .pricing-columns-grid {
    grid-template-columns: repeat(3, 1fr);
    align-items: stretch;
  }
}

.pricing-framed-card {
  background: var(--bg-card);
  border: 1.5px solid var(--border-main);
  border-radius: var(--radius-md);
  padding: 2.25rem 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  box-shadow: var(--shadow-paper);
}

.pricing-framed-card.featured {
  border: 2px solid var(--color-rosewood);
  background: #FFFDFB;
  box-shadow: var(--shadow-layer-1);
}

.pricing-badge-popular {
  position: absolute;
  top: -12px;
  right: 1.5rem;
  background-color: var(--color-rosewood);
  color: #FAF7F4;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.75rem;
  border-radius: var(--radius-sm);
  letter-spacing: 0.05em;
}

.pricing-plan-name {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  color: var(--color-rosewood);
  margin-bottom: 0.75rem;
}

.pricing-plan-features {
  list-style: none;
  margin-bottom: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.pricing-plan-features li {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.pricing-plan-features li::before {
  content: "✔";
  color: var(--color-muted-jade);
  font-size: 0.85rem;
  font-weight: bold;
}

.pricing-price-box {
  margin-bottom: 1.5rem;
  padding: 1.15rem 1rem;
  background-color: var(--bg-card-alt);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  text-align: center;
}

.pricing-framed-card.featured .pricing-price-box {
  background-color: #FAF2EC;
  border-color: var(--color-blush-border);
}

.pricing-price-num {
  font-family: var(--font-heading);
  display: flex;
  align-items: baseline;
  justify-content: center;
  color: var(--color-rosewood);
  line-height: 1;
  margin-bottom: 0.4rem;
}

.pricing-price-num .currency {
  font-size: 1.35rem;
  font-weight: 700;
  margin-right: 2px;
}

.pricing-price-num .amount {
  font-size: 2.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.pricing-price-num .decimals {
  font-size: 1.35rem;
  font-weight: 700;
}

.pricing-price-num .unit {
  font-size: 0.92rem;
  font-family: var(--font-sans);
  color: var(--color-text-muted);
  font-weight: 500;
  margin-left: 4px;
}

.pricing-price-sub {
  font-size: 0.82rem;
  color: var(--color-text-light);
  line-height: 1.4;
}

.pricing-price-editorial,
.pricing-placeholder {
  background-color: var(--bg-card-alt);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  font-size: 0.82rem;
  color: var(--color-text-muted);
  border: 1px dashed var(--border-main);
  margin-bottom: 1.5rem;
  line-height: 1.5;
  text-align: center;
  display: block;
}

.pricing-disclaimer,
.pricing-note {
  font-size: 0.85rem;
  color: var(--color-text-light);
  text-align: center;
  margin-top: 1rem;
}

/* ==========================================================================
   Article Cards: Minimal Reading Panels (Immediately After Pricing)
   3 desktop / 2 tablet / 1 mobile columns
   ========================================================================== */
.articles-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

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

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

.reading-panel-card,
.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border-main);
  border-radius: var(--radius-md);
  padding: 1.85rem 1.6rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-paper);
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.reading-panel-card:hover,
.article-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-rosewood);
  box-shadow: var(--shadow-paper-hover);
}

.reading-card-meta,
.article-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.reading-category-tag,
.article-card-category {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-rosewood);
  background-color: var(--color-light-blush);
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-blush-border);
  text-transform: uppercase;
}

.reading-index-num,
.article-category-num {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--color-text-light);
  font-weight: 700;
}

.reading-card-title,
.article-card-title {
  font-size: 1.22rem;
  line-height: 1.4;
  margin-bottom: 0.75rem;
}

.reading-card-title a,
.article-card-title a {
  color: var(--color-rosewood);
}

.reading-card-title a:hover,
.article-card-title a:hover {
  color: var(--color-rosewood-dark);
  text-decoration: underline;
}

.reading-card-excerpt,
.article-card-excerpt {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.reading-card-action,
.article-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px dashed var(--border-subtle);
  font-size: 0.88rem;
}

.reading-card-action span,
.article-card-meta span {
  color: var(--color-text-light);
}

.reading-action-link,
.article-read-link {
  font-weight: 600;
  color: var(--color-rosewood);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.reading-action-link:hover,
.article-read-link:hover {
  color: var(--color-muted-jade);
}

/* ==========================================================================
   Testimonials: Marked Sample Feedback
   ========================================================================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

@media (min-width: 768px) {
  .testimonials-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.testimonial-paper-card,
.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-main);
  border-radius: var(--radius-md);
  padding: 1.85rem 1.6rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-paper);
}

.testimonial-quote {
  font-size: 0.96rem;
  line-height: 1.75;
  color: var(--color-text-main);
  margin-bottom: 1.5rem;
  position: relative;
}

.testimonial-quote::before {
  content: "“";
  font-family: var(--font-heading);
  font-size: 2.5rem;
  color: var(--color-light-blush);
  line-height: 0;
  position: relative;
  top: 14px;
  margin-right: 4px;
}

.testimonial-sample-tag,
.testimonial-scenario-tag {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--color-muted-jade);
  font-weight: 600;
  background-color: var(--color-jade-pale);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  display: inline-block;
  margin-bottom: 0.4rem;
  border: 1px solid rgba(123, 156, 139, 0.25);
}

.testimonial-author-title,
.testimonial-author-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-rosewood);
}

/* ==========================================================================
   FAQ Accordion
   ========================================================================== */
.faq-stack {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-main);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-paper);
  transition: border-color var(--transition-fast);
}

.faq-item[open] {
  border-color: var(--color-rosewood);
}

.faq-question {
  padding: 1.25rem 1.5rem;
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-rosewood);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
  background-color: var(--bg-card);
}

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

.faq-question::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.4rem;
  color: var(--color-muted-jade);
  transition: transform var(--transition-fast);
}

.faq-item[open] .faq-question::after {
  content: "−";
  color: var(--color-rosewood);
}

.faq-answer {
  padding: 0 1.5rem 1.5rem;
  font-size: 0.98rem;
  line-height: 1.8;
  color: var(--color-text-muted);
  border-top: 1px dashed var(--border-subtle);
  padding-top: 1rem;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background-color: #FAF5F1;
  border-top: 1px solid var(--border-main);
  padding-top: 4rem;
  padding-bottom: 3rem;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1.2fr;
  }
}

.footer-brand h4 {
  font-size: 1.35rem;
  color: var(--color-rosewood);
  margin-bottom: 0.85rem;
}

.footer-brand p {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.footer-col h5 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  color: var(--color-rosewood);
  margin-bottom: 1rem;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-col a {
  font-size: 0.92rem;
  color: var(--color-text-muted);
}

.footer-col a:hover {
  color: var(--color-rosewood);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  font-size: 0.85rem;
  color: var(--color-text-light);
}

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

.footer-external-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.footer-external-links a {
  color: var(--color-rosewood);
  font-weight: 500;
  text-decoration: underline;
}

.footer-external-links a:hover {
  color: var(--color-muted-jade);
}

/* ==========================================================================
   Article, Tutorial & Prose Layout Styles
   ========================================================================== */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  color: var(--color-text-light);
  margin-bottom: 2rem;
  padding: 0.5rem 0;
  border-bottom: 1px dashed var(--border-subtle);
}

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

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

.breadcrumbs-separator {
  color: var(--color-muted-jade);
}

.article-header {
  padding-top: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-main);
  margin-bottom: 2.5rem;
}

.article-title {
  margin-bottom: 1rem;
}

.article-meta-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.88rem;
  color: var(--color-text-light);
  padding-top: 0.5rem;
}

.prose {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--color-text-main);
}

.prose h2 {
  font-size: 1.75rem;
  margin-top: 3rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--color-rosewood);
}

.prose h3 {
  font-size: 1.3rem;
  margin-top: 2rem;
  margin-bottom: 0.85rem;
  color: var(--color-rosewood);
}

.prose p {
  margin-bottom: 1.5rem;
  color: var(--color-text-muted);
}

.prose ul, .prose ol {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
  color: var(--color-text-muted);
}

.prose li {
  margin-bottom: 0.5rem;
}

.prose blockquote {
  border-left: 4px solid var(--color-rosewood);
  background-color: var(--color-blush-soft);
  padding: 1.25rem 1.5rem;
  margin: 2rem 0;
  border-radius: var(--radius-sm);
  color: var(--color-text-main);
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  font-size: 0.92rem;
  background: var(--bg-card);
}

.prose th, .prose td {
  padding: 0.85rem 1rem;
  border: 1px solid var(--border-color);
  text-align: left;
}

.prose th {
  background-color: var(--bg-card-alt);
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-rosewood);
}

.prose tr:nth-child(even) td {
  background-color: #FAF5F1;
}

.prose code {
  font-family: var(--font-mono);
  background-color: var(--color-light-blush);
  color: var(--color-rosewood-dark);
  padding: 0.2rem 0.45rem;
  border-radius: var(--radius-sm);
  font-size: 0.88em;
}

.prose pre {
  background: var(--color-rosewood-dark);
  color: #FAF7F4;
  padding: 1.25rem;
  border-radius: var(--radius-sm);
  overflow-x: auto;
  margin: 1.5rem 0;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.6;
}

.prose pre code {
  background: transparent;
  color: inherit;
  padding: 0;
}

.editorial-callout,
.article-callout {
  background-color: var(--bg-card);
  border: 1px solid var(--color-muted-jade);
  border-left-width: 4px;
  border-radius: var(--radius-sm);
  padding: 1.25rem 1.5rem;
  margin: 2rem 0;
}

.editorial-callout-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-jade-dark);
  margin-bottom: 0.5rem;
}

.article-cta-box {
  background: var(--bg-card);
  border: 2px solid var(--color-rosewood);
  border-radius: var(--radius-md);
  padding: 2.5rem 2rem;
  text-align: center;
  margin: 3.5rem 0;
  box-shadow: var(--shadow-paper);
}

.article-cta-box h3 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.article-cta-box p {
  max-width: 580px;
  margin: 0 auto 1.5rem auto;
}

/* Related Articles Section (2-4 relevant related links) */
.related-articles-section {
  border-top: 1px solid var(--border-color);
  padding-top: 3rem;
  margin-top: 3.5rem;
}

.related-articles-section h3 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  color: var(--color-rosewood);
  margin-bottom: 1.25rem;
}

.related-links-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .related-links-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.related-link-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.35rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-paper);
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
  text-decoration: none;
}

.related-link-card:hover {
  transform: translateY(-2px);
  border-color: var(--color-rosewood);
  box-shadow: var(--shadow-paper-hover);
}

.related-link-card h4 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  color: var(--color-rosewood);
  margin-bottom: 0.5rem;
}

.related-link-card p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 0;
}

/* ==========================================================================
   Gentle Fade-in & Motion Accessibility
   Never hide content without JS (Content is 100% visible by default)
   ========================================================================== */
@keyframes studioFadeIn {
  from {
    opacity: 0.88;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-section {
  animation: studioFadeIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}