/* ==========================================================================
   SNTP (守候网络) - MAGAZINE EDITORIAL DESIGN SYSTEM
   Theme: #F5F2ED Off-White Editorial | Bold Ink Black | Serif Headlines
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:ital,wght@0,400;0,600;0,700;1,400&family=Inter:wght@300;400;500;600;700;800&family=Playfair+Display:ital,wght@0,600;0,700;0,800;0,900;1,600;1,700&display=swap');

:root {
  --bg-paper: #F5F2ED;
  --bg-card: #FFFFFF;
  --bg-dark: #121212;
  --text-main: #111111;
  --text-muted: #555555;
  --text-light: #888888;
  --border-ink: #111111;
  --border-light: rgba(17, 17, 17, 0.15);
  --accent-red: #D9381E;
  --accent-yellow: #E5A93B;

  --font-serif: 'Playfair Display', Georgia, 'Songti SC', 'SimSun', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: 'IBM Plex Mono', Menlo, Consolas, monospace;

  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --max-width: 1320px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--bg-paper);
  color: var(--text-main);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-paper);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* ==========================================================================
   TOP READING PROGRESS BAR
   ========================================================================== */
#reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  width: 0%;
  background: var(--border-ink);
  z-index: 1000;
  transition: width 0.1s ease-out;
}

/* ==========================================================================
   MASTHEAD TOP BAR & TICKER
   ========================================================================== */
.edition-bar {
  border-bottom: 1px solid var(--border-ink);
  background: var(--bg-paper);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  padding: 0.4rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-transform: uppercase;
}

.edition-bar .edition-tag {
  background: var(--border-ink);
  color: var(--bg-paper);
  padding: 0.15rem 0.6rem;
  font-weight: 700;
  font-size: 0.72rem;
}

.edition-bar .edition-meta {
  display: flex;
  gap: 1.5rem;
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
.site-header {
  border-bottom: 2px solid var(--border-ink);
  background: var(--bg-paper);
  position: sticky;
  top: 0;
  z-index: 900;
}

.header-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.8rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-logo {
  text-decoration: none;
  color: var(--text-main);
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.brand-name {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
}

.brand-sub {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--text-main);
  text-decoration: none;
  font-weight: 600;
  position: relative;
  padding-bottom: 2px;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--border-ink);
  transition: width var(--transition-smooth);
}

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

.nav-link.news-badge-link {
  color: var(--accent-red);
  font-weight: 700;
}

.nav-link.news-badge-link::after {
  background: var(--accent-red);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn-header-cta {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  background: var(--border-ink);
  color: var(--bg-paper);
  text-decoration: none;
  padding: 0.55rem 1.25rem;
  border: 1px solid var(--border-ink);
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.btn-header-cta:hover {
  background: var(--bg-paper);
  color: var(--border-ink);
}

/* ==========================================================================
   BUTTON SYSTEM
   ========================================================================== */
.btn-primary {
  font-family: var(--font-mono);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.8rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--bg-paper);
  background-color: var(--border-ink);
  text-decoration: none;
  border: 2px solid var(--border-ink);
  box-shadow: 4px 4px 0px rgba(17, 17, 17, 0.9);
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
}

.btn-primary:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0px rgba(17, 17, 17, 0.95);
  background-color: #222;
}

.btn-primary:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0px rgba(17, 17, 17, 0.95);
}

.btn-secondary {
  font-family: var(--font-mono);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.8rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  background-color: transparent;
  text-decoration: none;
  border: 2px solid var(--border-ink);
  box-shadow: 4px 4px 0px rgba(17, 17, 17, 0.3);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-secondary:hover {
  background-color: var(--border-ink);
  color: var(--bg-paper);
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0px rgba(17, 17, 17, 0.6);
}

/* ==========================================================================
   HERO AREA (MAGAZINE COVER STYLE)
   ========================================================================== */
.hero-section {
  position: relative;
  padding: 4rem 1.5rem 3rem 1.5rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.hero-header-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 2px solid var(--border-ink);
  padding-bottom: 0.75rem;
  margin-bottom: 2.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.hero-issue {
  font-weight: 700;
  color: var(--accent-red);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.95fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  background: var(--border-ink);
  color: var(--bg-paper);
  padding: 0.25rem 0.75rem;
  margin-bottom: 1.2rem;
  letter-spacing: 0.05em;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.6rem, 5.5vw, 4.4rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
  color: var(--border-ink);
}

.hero-title .brand-highlight {
  position: relative;
  display: inline-block;
  font-style: italic;
  color: var(--accent-red);
}

.hero-subtitle {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 1.2rem;
  line-height: 1.4;
  border-left: 3px solid var(--border-ink);
  padding-left: 1rem;
}

.hero-description {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 2.2rem;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  margin-bottom: 2rem;
}

.hero-trust-badges {
  display: flex;
  align-items: center;
  gap: 2rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-muted);
  padding-top: 1.5rem;
  border-top: 1px dashed var(--border-light);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.trust-item svg {
  color: var(--accent-red);
}

/* Asymmetric Magazine Visual */
.hero-visual {
  position: relative;
}

.visual-frame {
  position: relative;
  background: #FFF;
  border: 2px solid var(--border-ink);
  padding: 1.5rem;
  box-shadow: 10px 10px 0px rgba(17, 17, 17, 0.9);
}

.visual-badge {
  position: absolute;
  top: -12px;
  right: 20px;
  background: var(--accent-red);
  color: #FFF;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.3rem 0.8rem;
  border: 1px solid var(--border-ink);
  transform: rotate(-3deg);
}

.visual-image-wrapper {
  position: relative;
  overflow: hidden;
  background: #0f141c;
  border: 1px solid var(--border-ink);
  aspect-ratio: 4 / 3;
}

.visual-svg-graphic {
  width: 100%;
  height: 100%;
  display: block;
}

.visual-caption {
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--border-light);
  padding-top: 0.75rem;
}

/* ==========================================================================
   MARQUEE TICKER TAPE
   ========================================================================== */
.ticker-tape {
  border-top: 2px solid var(--border-ink);
  border-bottom: 2px solid var(--border-ink);
  background: var(--border-ink);
  color: var(--bg-paper);
  padding: 0.75rem 0;
  overflow: hidden;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin: 2.5rem 0;
}

.ticker-content {
  display: inline-block;
  animation: marquee 24s linear infinite;
}

.ticker-content span {
  display: inline-block;
  padding: 0 1.5rem;
}

.ticker-content .ticker-dot {
  color: var(--accent-red);
  margin: 0 0.5rem;
}

@keyframes marquee {
  0% { transform: translateX(0%); }
  100% { transform: translateX(-50%); }
}

/* ==========================================================================
   SECTION HEADER (MAGAZINE CHAPTER NUMBERING)
   ========================================================================== */
.section-wrapper {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 4rem 1.5rem;
}

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

.chapter-number {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent-red);
  letter-spacing: 0.15em;
  display: block;
  margin-bottom: 0.5rem;
}

.chapter-title-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  border-bottom: 2px solid var(--border-ink);
  padding-bottom: 1rem;
  gap: 2rem;
}

.section-headline {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.8vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.section-lead {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--text-muted);
  max-width: 420px;
  text-align: right;
  line-height: 1.6;
}

/* ==========================================================================
   CHAPTER 01: CORE ADVANTAGES (HORIZONTAL SCROLLABLE & DRAGGABLE)
   ========================================================================== */
.features-container-outer {
  position: relative;
}

.features-scroll-wrapper {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  cursor: grab;
  user-select: none;
}

.feature-card {
  background: var(--bg-card);
  border: 2px solid var(--border-ink);
  padding: 2.2rem;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: 6px 6px 0px rgba(17, 17, 17, 0.85);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 10px 10px 0px rgba(17, 17, 17, 0.95);
}

.feature-card-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 0.75rem;
}

.feature-idx {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--border-ink);
}

.feature-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border: 1px solid var(--border-ink);
  text-transform: uppercase;
}

.feature-image-box {
  background: #FAFAFA;
  border: 1px solid var(--border-light);
  margin-bottom: 1.5rem;
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.feature-image-box svg {
  width: 100%;
  height: 100%;
  padding: 1.2rem;
}

.feature-title {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  font-weight: 800;
  margin-bottom: 0.8rem;
  line-height: 1.3;
}

.feature-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.feature-meta-list {
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  border-top: 1px dashed var(--border-light);
  padding-top: 1rem;
}

.feature-meta-list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
  color: var(--text-main);
}

.feature-meta-list li::before {
  content: '■';
  font-size: 0.65rem;
  color: var(--accent-red);
}

/* ==========================================================================
   CHAPTER 02: STREAMING & AI CARDS (CLIP-PATH ANIMATION)
   ========================================================================== */
.unlock-matrix-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
}

.unlock-box {
  background: var(--bg-card);
  border: 2px solid var(--border-ink);
  box-shadow: 6px 6px 0px rgba(17, 17, 17, 0.9);
  padding: 2.5rem;
  position: relative;
}

.unlock-box-title {
  font-family: var(--font-serif);
  font-size: 1.7rem;
  font-weight: 800;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.unlock-box-desc {
  font-size: 0.98rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  line-height: 1.65;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.2rem;
}

.platform-item {
  border: 1px solid var(--border-ink);
  padding: 1rem;
  background: var(--bg-paper);
  display: flex;
  align-items: center;
  gap: 0.85rem;
  transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.platform-item:hover {
  transform: translateY(-2px);
  background: #FFF;
}

.platform-icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  border: 1px solid var(--border-ink);
  background: #FFF;
  display: flex;
  align-items: center;
  justify-content: center;
}

.platform-info h4 {
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1.2;
}

.platform-info span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-light);
  display: block;
}

/* Scroll Clip-Path Reveal Class */
.clip-reveal {
  clip-path: inset(0 100% 0 0);
  transition: clip-path 0.9s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.6s ease;
  opacity: 0.2;
}

.clip-reveal.revealed {
  clip-path: inset(0 0 0 0);
  opacity: 1;
}

/* ==========================================================================
   CHAPTER 03: PRICING COMPARISON TABLE (MAGAZINE ARCHIVE STYLE)
   ========================================================================== */
.pricing-intro {
  margin-bottom: 2.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  background: #ECE7DE;
  padding: 0.8rem 1.5rem;
  border: 1px solid var(--border-ink);
}

.pricing-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.pricing-card {
  background: var(--bg-card);
  border: 2px solid var(--border-ink);
  padding: 2rem 1.6rem;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: 5px 5px 0px rgba(17, 17, 17, 0.85);
  transition: transform var(--transition-fast);
}

.pricing-card:hover {
  transform: translateY(-4px);
}

.pricing-card.featured {
  background: #FFFBF5;
  border: 3px solid var(--border-ink);
  box-shadow: 8px 8px 0px rgba(17, 17, 17, 0.95);
}

.pricing-ribbon {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-red);
  color: #FFF;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.2rem 0.8rem;
  letter-spacing: 0.08em;
  white-space: nowrap;
  border: 1px solid var(--border-ink);
}

.pricing-header {
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 1.2rem;
  margin-bottom: 1.5rem;
}

.plan-name {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

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

.plan-price-box {
  margin: 1.2rem 0 1.5rem 0;
}

.price-currency {
  font-size: 1.4rem;
  font-weight: 700;
  vertical-align: super;
}

.price-num {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 900;
  line-height: 1;
}

.price-period {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-light);
}

.plan-features-list {
  list-style: none;
  font-size: 0.88rem;
  line-height: 1.8;
  margin-bottom: 2rem;
  flex-grow: 1;
}

.plan-features-list li {
  position: relative;
  padding-left: 1.3rem;
  color: var(--text-main);
  border-bottom: 1px dotted rgba(17, 17, 17, 0.1);
  padding-top: 0.35rem;
  padding-bottom: 0.35rem;
}

.plan-features-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--border-ink);
  font-weight: 900;
}

.plan-features-list li.highlight-feat {
  font-weight: 700;
  color: var(--accent-red);
}

.btn-plan-cta {
  width: 100%;
  padding: 0.85rem;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  border: 2px solid var(--border-ink);
  transition: all var(--transition-fast);
}

.btn-plan-cta.btn-outline {
  background: transparent;
  color: var(--text-main);
}

.btn-plan-cta.btn-outline:hover {
  background: var(--border-ink);
  color: var(--bg-paper);
}

.btn-plan-cta.btn-solid {
  background: var(--border-ink);
  color: var(--bg-paper);
}

.btn-plan-cta.btn-solid:hover {
  background: var(--accent-red);
  border-color: var(--accent-red);
}

/* ==========================================================================
   CHAPTER 04: USER REVIEWS & EDITORIAL QUOTES
   ========================================================================== */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.review-card {
  background: var(--bg-card);
  border: 2px solid var(--border-ink);
  padding: 2rem;
  box-shadow: 5px 5px 0px rgba(17, 17, 17, 0.85);
  display: flex;
  flex-direction: column;
  position: relative;
}

.review-card::before {
  content: '“';
  font-family: var(--font-serif);
  font-size: 4rem;
  color: rgba(17, 17, 17, 0.12);
  position: absolute;
  top: 10px;
  right: 20px;
  line-height: 1;
}

.review-rating {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--accent-yellow);
  margin-bottom: 1rem;
}

.review-text {
  font-size: 0.96rem;
  line-height: 1.68;
  color: var(--text-main);
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  border-top: 1px solid var(--border-light);
  padding-top: 1rem;
}

.author-avatar {
  width: 40px;
  height: 40px;
  background: var(--border-ink);
  color: var(--bg-paper);
  font-family: var(--font-mono);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}

.author-details h4 {
  font-size: 0.9rem;
  font-weight: 700;
}

.author-details span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-light);
}

/* ==========================================================================
   CHAPTER 05: FAQ ACCORDION
   ========================================================================== */
.faq-container {
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  border: 2px solid var(--border-ink);
  background: var(--bg-card);
  margin-bottom: 1.2rem;
  box-shadow: 4px 4px 0px rgba(17, 17, 17, 0.8);
  transition: all var(--transition-fast);
}

.faq-question {
  padding: 1.4rem 1.8rem;
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}

.faq-question::after {
  content: '+';
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  transition: transform var(--transition-smooth);
}

.faq-item.open .faq-question::after {
  content: '−';
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 1.8rem 1.5rem 1.8rem;
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--text-muted);
  display: none;
  border-top: 1px dashed var(--border-light);
  padding-top: 1.2rem;
}

.faq-item.open .faq-answer {
  display: block;
}

/* ==========================================================================
   CALL TO ACTION BANNER (MAGAZINE BACK COVER)
   ========================================================================== */
.magazine-cta-banner {
  background: var(--border-ink);
  color: var(--bg-paper);
  padding: 5rem 2rem;
  margin: 4rem auto 0 auto;
  border-top: 3px solid var(--border-ink);
  border-bottom: 3px solid var(--border-ink);
  text-align: center;
}

.cta-banner-content {
  max-width: 800px;
  margin: 0 auto;
}

.cta-banner-tag {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-yellow);
  font-weight: 700;
  letter-spacing: 0.15em;
  margin-bottom: 1rem;
  display: inline-block;
}

.cta-banner-title {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  font-weight: 900;
  margin-bottom: 1.2rem;
  line-height: 1.15;
}

.cta-banner-lead {
  font-size: 1.1rem;
  color: #DDD;
  line-height: 1.7;
  margin-bottom: 2.5rem;
}

.cta-banner-actions {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.btn-banner-white {
  background: var(--bg-paper);
  color: var(--border-ink);
  font-family: var(--font-mono);
  font-weight: 700;
  padding: 1rem 2.2rem;
  text-decoration: none;
  border: 2px solid var(--bg-paper);
  box-shadow: 4px 4px 0px rgba(255, 255, 255, 0.3);
  transition: all var(--transition-fast);
}

.btn-banner-white:hover {
  background: transparent;
  color: var(--bg-paper);
  box-shadow: 6px 6px 0px rgba(255, 255, 255, 0.6);
}

/* ==========================================================================
   FOOTER (MAGAZINE COLOPHON STYLE - STRICT 4 LINKS ONLY)
   ========================================================================== */
.site-footer {
  background: var(--bg-paper);
  border-top: 2px solid var(--border-ink);
  padding: 4rem 1.5rem 3rem 1.5rem;
  font-family: var(--font-mono);
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.colophon-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 3rem;
  border-bottom: 1px solid var(--border-ink);
  padding-bottom: 3rem;
  margin-bottom: 2rem;
}

.colophon-brand h3 {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  margin-bottom: 0.8rem;
}

.colophon-brand p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 520px;
}

/* STRICT USER REQUIREMENT: EXACTLY 4 TITLES ONLY, OPENING IN NEW PAGES */
.colophon-nav {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.colophon-links-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem 2rem;
}

.colophon-links-list a {
  text-decoration: none;
  color: var(--text-main);
  font-size: 1rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0;
  border-bottom: 1px solid transparent;
  transition: all var(--transition-fast);
}

.colophon-links-list a::before {
  content: '→';
  font-weight: 800;
  color: var(--accent-red);
}

.colophon-links-list a:hover {
  border-bottom-color: var(--border-ink);
  transform: translateX(4px);
}

.footer-bottom-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  color: var(--text-light);
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom-bar .edition-mark {
  background: var(--border-ink);
  color: var(--bg-paper);
  padding: 0.2rem 0.5rem;
  font-weight: 700;
}

/* ==========================================================================
   SUBPAGE & ARTICLE STYLES (EDITORIAL READER)
   ========================================================================== */
.page-hero {
  padding: 3.5rem 1.5rem 2.5rem 1.5rem;
  border-bottom: 2px solid var(--border-ink);
  background: #EFECE6;
}

.page-hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.article-body-container {
  max-width: 860px;
  margin: 3rem auto;
  padding: 0 1.5rem;
  font-size: 1.05rem;
  line-height: 1.85;
}

.article-body-container h2 {
  font-family: var(--font-serif);
  font-size: 1.85rem;
  font-weight: 800;
  margin: 2.5rem 0 1rem 0;
  border-bottom: 1px solid var(--border-ink);
  padding-bottom: 0.5rem;
}

.article-body-container h3 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  margin: 1.8rem 0 0.8rem 0;
}

.article-body-container p {
  margin-bottom: 1.4rem;
  color: #242424;
}

.article-body-container ul, .article-body-container ol {
  margin: 1rem 0 1.6rem 2rem;
}

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

.article-quote-box {
  background: #FFF;
  border-left: 4px solid var(--border-ink);
  padding: 1.2rem 1.6rem;
  margin: 2rem 0;
  font-style: italic;
  font-family: var(--font-serif);
  font-size: 1.1rem;
}

.editorial-tag-pill {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  background: var(--border-ink);
  color: var(--bg-paper);
  font-weight: 600;
  display: inline-block;
  margin-bottom: 0.8rem;
}

/* Backlink highlight in articles */
.seo-context-link {
  color: var(--border-ink);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
  transition: color var(--transition-fast), background-color var(--transition-fast);
  padding: 0 3px;
}

.seo-context-link:hover {
  background-color: var(--accent-red);
  color: #FFF;
  text-decoration: none;
}

/* Articles listing grid */
.articles-catalog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-top: 2.5rem;
}

.article-catalog-card {
  background: var(--bg-card);
  border: 2px solid var(--border-ink);
  padding: 2rem;
  box-shadow: 6px 6px 0px rgba(17, 17, 17, 0.85);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.article-catalog-card:hover {
  transform: translateY(-4px);
  box-shadow: 10px 10px 0px rgba(17, 17, 17, 0.95);
}

.article-catalog-meta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-light);
  margin-bottom: 0.8rem;
  display: flex;
  justify-content: space-between;
}

.article-catalog-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 1rem;
}

.article-catalog-title a {
  text-decoration: none;
  color: var(--text-main);
  transition: color var(--transition-fast);
}

.article-catalog-title a:hover {
  color: var(--accent-red);
}

.article-catalog-summary {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.article-read-btn {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-main);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.article-read-btn:hover {
  color: var(--accent-red);
}

/* ==========================================================================
   RESPONSIVE DESIGN (MOBILE MEDIA QUERIES)
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .pricing-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .features-scroll-wrapper {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .edition-bar {
    display: none;
  }
  .header-container {
    padding: 0.75rem 1rem;
  }
  .nav-menu {
    display: none; /* Mobile menu handles cleanly */
  }
  .hero-section {
    padding: 2.5rem 1rem 2rem 1rem;
  }
  .hero-title {
    font-size: 2.3rem;
  }
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  .btn-primary, .btn-secondary {
    width: 100%;
    text-align: center;
    padding: 1rem;
  }
  .hero-trust-badges {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.8rem;
  }
  .chapter-title-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  .section-lead {
    text-align: left;
  }
  .features-scroll-wrapper {
    grid-template-columns: 1fr;
  }
  .unlock-matrix-grid {
    grid-template-columns: 1fr;
  }
  .pricing-cards-grid {
    grid-template-columns: 1fr;
  }
  .reviews-grid {
    grid-template-columns: 1fr;
  }
  .articles-catalog-grid {
    grid-template-columns: 1fr;
  }
  .colophon-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .colophon-links-list {
    grid-template-columns: 1fr;
    gap: 0.8rem;
  }
  .footer-bottom-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
}