:root {
  --bg-sandstone: #FFF8F1;
  --bg-clay: #F7EDE2;
  --bg-terrace: #EFE0D0;
  --text-espresso: #231815;
  --text-umber: #5C4742;
  --text-muted: #7D655E;
  --accent-terracotta: #D9534F;
  --accent-terracotta-dark: #B53834;
  --accent-amber: #D97706;
  --accent-sage: #2D6A4F;
  --border-warm: #E5D2C0;
  --shadow-canyon: 0 12px 32px -8px rgba(35, 24, 21, 0.08);
  --shadow-elevated: 0 18px 42px -10px rgba(217, 83, 79, 0.16);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-pill: 999px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background-color: var(--bg-sandstone);
  color: var(--text-espresso);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Global Hyperlink Rule: Prominent warm terracotta before & after visited */
a,
a:visited {
  color: var(--accent-terracotta);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 1.5px;
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

a:hover,
a:focus-visible {
  color: var(--accent-terracotta-dark);
}

/* Container */
.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 248, 241, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-warm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 20px;
  flex-wrap: wrap;
}

.brand-logo,
.brand-logo:visited {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-espresso);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: 0.02em;
}

.brand-logo:hover {
  color: var(--accent-terracotta);
}

.brand-logo svg {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
}

.brand-sub {
  display: block;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-umber);
  letter-spacing: 0.06em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.main-nav a,
.main-nav a:visited {
  text-decoration: none;
  color: var(--text-espresso);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--accent-terracotta);
  background-color: var(--bg-clay);
  border-color: var(--border-warm);
}

.main-nav a.nav-hub-pill,
.main-nav a.nav-hub-pill:visited {
  background: linear-gradient(135deg, #FFF0E5 0%, #FDE2CE 100%);
  color: var(--accent-terracotta-dark);
  border: 1px solid #F3B8A6;
}

.main-nav a.nav-hub-pill:hover {
  background: var(--accent-terracotta);
  color: #FFF8F1;
  border-color: var(--accent-terracotta);
}

/* Hero Section - Sunset Canyon Panorama */
.hero-section {
  position: relative;
  padding: 64px 0 72px;
  background: radial-gradient(circle at 50% 0%, #FDE8D7 0%, var(--bg-sandstone) 72%);
  border-bottom: 1px solid var(--border-warm);
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--bg-clay);
  border: 1px solid var(--border-warm);
  color: var(--accent-terracotta-dark);
  font-size: 0.88rem;
  font-weight: 700;
  padding: 6px 18px;
  border-radius: var(--radius-pill);
  margin-bottom: 22px;
}

.hero-title {
  font-size: clamp(2.1rem, 4.2vw, 3.35rem);
  line-height: 1.22;
  font-weight: 800;
  color: var(--text-espresso);
  max-width: 880px;
  margin: 0 auto 20px;
  letter-spacing: -0.01em;
}

.hero-title span {
  background: linear-gradient(120deg, var(--accent-terracotta) 0%, var(--accent-amber) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(1.02rem, 1.8vw, 1.2rem);
  color: var(--text-umber);
  max-width: 760px;
  margin: 0 auto 34px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 44px;
}

.btn-primary,
.btn-primary:visited {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--accent-terracotta) 0%, var(--accent-amber) 100%);
  color: #FFF8F1;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.06rem;
  padding: 15px 34px;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-elevated);
  border: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary:hover {
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 22px 44px -10px rgba(217, 83, 79, 0.32);
}

.btn-secondary,
.btn-secondary:visited {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background-color: var(--bg-clay);
  color: var(--accent-terracotta-dark);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.06rem;
  padding: 14px 30px;
  border-radius: var(--radius-pill);
  border: 2px solid var(--accent-terracotta);
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  background-color: var(--accent-terracotta);
  color: #FFF8F1;
  transform: translateY(-2px);
}

.hero-panorama-frame {
  max-width: 940px;
  margin: 0 auto;
  padding: 12px;
  background: var(--bg-clay);
  border: 1px solid var(--border-warm);
  border-radius: 26px;
  box-shadow: var(--shadow-canyon);
}

.hero-anim-img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 18px;
}

/* Section Layout & Typography */
.section-block {
  padding: 76px 0;
  border-bottom: 1px solid var(--border-warm);
}

.section-block.alt-bg {
  background-color: var(--bg-clay);
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 52px;
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.84rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-amber);
  margin-bottom: 10px;
}

.section-title {
  font-size: clamp(1.75rem, 3vw, 2.35rem);
  font-weight: 800;
  color: var(--text-espresso);
  margin-bottom: 14px;
}

.section-desc {
  color: var(--text-umber);
  font-size: 1.05rem;
}

/* Split-Ribbon Core Advantage Cards (4 items) */
.ribbon-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
}

.ribbon-card {
  display: flex;
  align-items: flex-start;
  gap: 22px;
  background-color: var(--bg-clay);
  border: 1px solid var(--border-warm);
  border-left: 6px solid var(--accent-terracotta);
  border-radius: var(--radius-lg);
  padding: 30px 28px;
  box-shadow: var(--shadow-canyon);
  transition: transform 0.2s ease;
}

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

.icon-orb {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: linear-gradient(135deg, #FDE8D7 0%, #F9D2B8 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid #F1B99A;
}

.icon-orb svg {
  width: 30px;
  height: 30px;
}

.ribbon-content h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-espresso);
}

.ribbon-content p {
  color: var(--text-umber);
  font-size: 0.96rem;
}

/* 3-Column Feature & Streaming Cards */
.tri-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.horizon-card {
  background-color: var(--bg-sandstone);
  border: 1px solid var(--border-warm);
  border-radius: var(--radius-lg);
  padding: 34px 28px;
  box-shadow: var(--shadow-canyon);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.horizon-card h3 {
  font-size: 1.28rem;
  color: var(--text-espresso);
}

.horizon-card p {
  color: var(--text-umber);
  font-size: 0.96rem;
  flex-grow: 1;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin-top: 8px;
}

.tag-list li {
  font-size: 0.82rem;
  font-weight: 600;
  background-color: var(--bg-clay);
  color: var(--accent-sage);
  border: 1px solid #B7D8C6;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
}

/* Stepped Terrace Pricing Layout */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}

.pricing-card {
  background-color: var(--bg-clay);
  border: 1px solid var(--border-warm);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: var(--shadow-canyon);
}

.pricing-card.featured {
  background: linear-gradient(180deg, #FFFDF9 0%, #F9EFE4 100%);
  border: 2px solid var(--accent-terracotta);
  box-shadow: var(--shadow-elevated);
  transform: translateY(-8px);
}

.popular-ribbon {
  position: absolute;
  top: -14px;
  right: 24px;
  background: linear-gradient(135deg, var(--accent-terracotta) 0%, var(--accent-amber) 100%);
  color: #FFF8F1;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: var(--radius-pill);
}

.plan-name {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-espresso);
  margin-bottom: 6px;
}

.plan-tagline {
  font-size: 0.92rem;
  color: var(--text-umber);
  margin-bottom: 22px;
}

.plan-price {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent-terracotta-dark);
  line-height: 1.1;
  margin-bottom: 24px;
}

.plan-price span {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-umber);
}

.plan-features {
  list-style: none;
  margin-bottom: 30px;
  flex-grow: 1;
}

.plan-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--border-warm);
  font-size: 0.95rem;
  color: var(--text-espresso);
}

.plan-features li svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* FAQ Accordion / Cards */
.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.faq-item {
  background-color: var(--bg-sandstone);
  border: 1px solid var(--border-warm);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-canyon);
}

.faq-item h3 {
  font-size: 1.14rem;
  font-weight: 700;
  color: var(--text-espresso);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.faq-item p {
  color: var(--text-umber);
  font-size: 0.95rem;
}

/* Warm Editorial Pull-Quotes (Testimonials) */
.quote-card {
  background-color: var(--bg-clay);
  border: 1px solid var(--border-warm);
  border-top: 4px solid var(--accent-amber);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 20px;
}

.quote-text {
  font-size: 0.98rem;
  color: var(--text-espresso);
  font-style: normal;
}

.quote-author {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-warm);
  padding-top: 16px;
}

.author-name {
  font-weight: 700;
  color: var(--text-espresso);
  font-size: 0.96rem;
}

.author-role {
  font-size: 0.84rem;
  color: var(--text-umber);
}

/* Hub Page & Article Cards */
.page-hero {
  padding: 54px 0 44px;
  background: radial-gradient(circle at 50% 0%, #FDE8D7 0%, var(--bg-sandstone) 75%);
  border-bottom: 1px solid var(--border-warm);
  text-align: center;
}

.page-hero h1 {
  font-size: clamp(1.9rem, 3.6vw, 2.75rem);
  font-weight: 800;
  color: var(--text-espresso);
  margin-bottom: 14px;
}

.page-hero p {
  max-width: 720px;
  margin: 0 auto;
  color: var(--text-umber);
  font-size: 1.06rem;
}

.article-cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  padding: 60px 0;
}

.article-card {
  background-color: var(--bg-clay);
  border: 1px solid var(--border-warm);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 18px;
  box-shadow: var(--shadow-canyon);
  transition: transform 0.2s ease;
}

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

.article-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.84rem;
  color: var(--text-umber);
}

.article-cat {
  background-color: #FDE8D7;
  color: var(--accent-terracotta-dark);
  font-weight: 700;
  padding: 3px 12px;
  border-radius: var(--radius-pill);
}

.article-card h2 {
  font-size: 1.32rem;
  line-height: 1.4;
}

.article-card h2 a,
.article-card h2 a:visited {
  color: var(--text-espresso);
  text-decoration: none;
}

.article-card h2 a:hover {
  color: var(--accent-terracotta);
}

.article-card p {
  color: var(--text-umber);
  font-size: 0.96rem;
}

.read-more-link,
.read-more-link:visited {
  font-weight: 700;
  font-size: 0.94rem;
  color: var(--accent-terracotta);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.read-more-link:hover {
  color: var(--accent-terracotta-dark);
  text-decoration: underline;
}

/* Article Single Layout */
.article-container {
  max-width: 840px;
  margin: 0 auto;
  padding: 56px 24px;
}

.article-header {
  margin-bottom: 36px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border-warm);
}

.article-header h1 {
  font-size: clamp(1.75rem, 3.2vw, 2.4rem);
  line-height: 1.32;
  color: var(--text-espresso);
  margin: 14px 0 18px;
}

.article-body {
  background-color: var(--bg-clay);
  border: 1px solid var(--border-warm);
  border-radius: var(--radius-lg);
  padding: 42px 40px;
  box-shadow: var(--shadow-canyon);
}

.article-body h2 {
  font-size: 1.42rem;
  color: var(--text-espresso);
  margin: 34px 0 14px;
  padding-left: 14px;
  border-left: 4px solid var(--accent-terracotta);
}

.article-body h2:first-child {
  margin-top: 0;
}

.article-body h3 {
  font-size: 1.16rem;
  color: var(--accent-terracotta-dark);
  margin: 24px 0 10px;
}

.article-body p {
  margin-bottom: 18px;
  color: var(--text-espresso);
  font-size: 1.02rem;
  line-height: 1.85;
}

.article-body ul,
.article-body ol {
  margin: 0 0 20px 22px;
  color: var(--text-espresso);
}

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

.article-cta-box {
  margin-top: 38px;
  padding: 28px;
  background: linear-gradient(135deg, #FDE8D7 0%, #F9DEC8 100%);
  border: 1px solid #F1B99A;
  border-radius: var(--radius-md);
  text-align: center;
}

.article-cta-box h3 {
  font-size: 1.25rem;
  color: var(--text-espresso);
  margin-bottom: 10px;
}

.article-cta-box p {
  color: var(--text-umber);
  margin-bottom: 18px;
}

/* Compliance / Standalone Content Box */
.legal-card {
  background-color: var(--bg-clay);
  border: 1px solid var(--border-warm);
  border-radius: var(--radius-lg);
  padding: 40px;
  margin: 48px auto;
  max-width: 880px;
  box-shadow: var(--shadow-canyon);
}

.legal-card h2 {
  font-size: 1.35rem;
  margin: 28px 0 12px;
  color: var(--text-espresso);
}

.legal-card h2:first-child {
  margin-top: 0;
}

.legal-card p,
.legal-card li {
  color: var(--text-umber);
  margin-bottom: 12px;
}

.legal-card ul {
  padding-left: 20px;
  margin-bottom: 18px;
}

/* Strict 4-Link Footer */
.site-footer {
  background-color: var(--bg-terrace);
  border-top: 1px solid var(--border-warm);
  padding: 36px 0;
}

.footer-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

.footer-links a,
.footer-links a:visited {
  color: var(--text-espresso);
  font-weight: 700;
  font-size: 0.98rem;
  text-decoration: none;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  transition: color 0.2s ease, background-color 0.2s ease;
}

.footer-links a:hover {
  color: var(--accent-terracotta);
  background-color: var(--bg-sandstone);
}

/* Mobile Responsive — Rule 7: Never hide navigation on mobile! */
@media (max-width: 920px) {
  .ribbon-grid,
  .tri-grid,
  .pricing-grid,
  .faq-grid,
  .article-cards-grid {
    grid-template-columns: 1fr;
  }

  .pricing-card.featured {
    transform: none;
  }
}

@media (max-width: 768px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .main-nav {
    display: flex;
    width: 100%;
    flex-wrap: wrap;
    gap: 8px;
  }

  .main-nav a,
  .main-nav a:visited {
    font-size: 0.88rem;
    padding: 7px 13px;
    background-color: var(--bg-clay);
    border: 1px solid var(--border-warm);
  }

  .hero-section {
    padding: 44px 0 52px;
  }

  .article-body,
  .legal-card {
    padding: 26px 20px;
  }
}