/* ==========================================================================
   THE HORIZON RIVERSIDE - LUXURY REAL ESTATE STYLESHEET
   Clean, architectural, minimalist design for high-end real estate showcase.
   ========================================================================== */

/* 1. Design Tokens / CSS Variables */
:root {
  /* Colors */
  --color-bg: #F7F5F0;           /* Nền trắng ngà ấm cúng */
  --color-surface: #FFFFFF;      /* Nền thẻ nội dung */
  --color-surface-subtle: #EFECE5; /* Nền khối phụ */
  --color-primary: #183D35;      /* Xanh đậm di sản (Forest Heritage) */
  --color-primary-dark: #0f2822; /* Xanh đậm hơn cho hover */
  --color-accent: #B89B65;       /* Vàng Champagne sang trọng */
  --color-accent-dark: #8F7242;  /* Champagne đậm hơn để chữ tương phản > 4.5:1 */
  --color-accent-light: #F4EFE6; /* Nền nhạt điểm xuyết */
  --color-text: #202723;         /* Chữ chính đậm rõ */
  --color-text-muted: #5A6660;   /* Chữ phụ, mô tả */
  --color-border: #E5E0D6;       /* Đường viền thanh mảnh */
  --color-border-dark: #C9C3B6;  /* Đường viền nhấn */
  --color-white: #FFFFFF;
  --color-danger: #B91C1C;
  --color-success: #15803D;

  /* Typography */
  --font-heading: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 36px;
  --space-2xl: 60px;
  --space-3xl: 96px;

  /* Container & Heights */
  --container-max: 1200px;
  --header-height: 76px;
  --mobile-bar-height: 64px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --radius-pill: 9999px;

  /* Transitions */
  --transition-fast: 0.18s ease;
  --transition-normal: 0.28s ease;
}

/* 2. Global Resets & Accessibility */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-body);
  font-size: 16px;
  background-color: var(--color-bg);
  color: var(--color-text);
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  line-height: 1.7;
  overflow-x: hidden;
  background-color: var(--color-bg);
  color: var(--color-text);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Offset for mobile sticky contact bar */
@media (max-width: 768px) {
  body {
    padding-bottom: calc(var(--mobile-bar-height) + env(safe-area-inset-bottom, 0px) + 16px);
  }
}

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

input, button, textarea, select {
  font: inherit;
  color: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  background: none;
  border: none;
  cursor: pointer;
}

/* Accessible focus ring */
:focus-visible {
  outline: 2px solid var(--color-accent-dark);
  outline-offset: 3px;
}

/* Reduced motion preference */
@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;
  }
}

/* 3. Typography & Headings */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-primary);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 3.8vw, 2.5rem); }
h3 { font-size: clamp(1.35rem, 2.6vw, 1.85rem); }
h4 { font-size: 1.2rem; }

p {
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

p.lead {
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  color: var(--color-text-muted);
  line-height: 1.7;
}

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

.text-accent {
  color: var(--color-accent-dark);
  font-weight: 600;
}

/* 4. Layout & Containers */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-lg);
  padding-right: var(--space-lg);
}

.section {
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-3xl);
  border-bottom: 1px solid var(--color-border);
}

@media (max-width: 768px) {
  .container {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }
  .section {
    padding-top: var(--space-2xl);
    padding-bottom: var(--space-2xl);
  }
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto var(--space-2xl);
}

.section-header.text-left {
  text-align: left;
  margin-left: 0;
}

.section-badge {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  background-color: var(--color-accent-light);
  border: 1px solid var(--color-border);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-md);
}

.section-title {
  margin-bottom: var(--space-md);
}

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

/* 5. Buttons & Badges */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  min-height: 48px;
  padding: 12px 28px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-white);
}

.btn-accent {
  background-color: var(--color-accent);
  color: var(--color-primary);
  border-color: var(--color-accent);
  font-weight: 700;
}

.btn-accent:hover {
  background-color: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: var(--color-white);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn-white {
  background-color: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
}

.btn-white:hover {
  background-color: var(--color-bg);
}

/* 6. Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background-color: rgba(247, 245, 240, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  transition: background-color var(--transition-fast);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.site-brand {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1.1;
}

.brand-subtitle {
  font-size: 0.75rem;
  color: var(--color-accent-dark);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-desktop a {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
  padding: 6px 0;
  position: relative;
  transition: color var(--transition-fast);
}

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

.nav-desktop a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--color-accent-dark);
  transition: width var(--transition-fast);
}

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

.header-cta-group {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

/* Mobile Hamburger Toggle */
.mobile-nav-toggle {
  display: none;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.hamburger-icon {
  width: 24px;
  height: 18px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.hamburger-icon span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: currentColor;
  border-radius: 2px;
  transition: transform var(--transition-fast);
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 85%;
  max-width: 360px;
  height: 100vh;
  background-color: var(--color-bg);
  border-left: 1px solid var(--color-border);
  box-shadow: -8px 0 24px rgba(24, 61, 53, 0.12);
  z-index: 200;
  padding: var(--space-xl) var(--space-lg);
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow-y: auto;
}

.mobile-drawer.is-open {
  transform: translateX(0);
}

.mobile-drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(24, 61, 53, 0.4);
  z-index: 199;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.mobile-drawer-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-xl);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-md);
}

.mobile-drawer-close {
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--color-primary);
}

.mobile-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.mobile-nav-links a {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
}

.mobile-drawer-footer {
  margin-top: var(--space-xl);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

@media (max-width: 992px) {
  .nav-desktop {
    display: none;
  }
  .mobile-nav-toggle {
    display: flex;
  }
}

/* 7. Hero Section */
.hero-section {
  position: relative;
  min-height: 82vh;
  display: flex;
  align-items: center;
  background-color: var(--color-primary);
  color: var(--color-white);
  overflow: hidden;
}

.hero-bg-media {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero-bg-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* Subtle flat overlay strictly for legibility */
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(180deg, rgba(24, 61, 53, 0.45) 0%, rgba(24, 61, 53, 0.82) 100%);
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 820px;
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-3xl);
}

.hero-badge {
  display: inline-block;
  background-color: rgba(184, 155, 101, 0.25);
  border: 1px solid var(--color-accent);
  color: #F7EEDB;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-lg);
}

.hero-title {
  color: var(--color-white);
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: var(--space-lg);
}

.hero-subtitle {
  color: rgba(247, 245, 240, 0.9);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.7;
  margin-bottom: var(--space-xl);
  max-width: 680px;
}

.hero-cta-group {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* 8. Overview Section & Metrics */
.overview-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-2xl);
  align-items: center;
}

@media (max-width: 900px) {
  .overview-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
}

.overview-media {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.overview-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
}

.stat-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-lg);
  border-radius: var(--radius-sm);
}

.stat-value {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.1;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 2px;
}

.stat-subtext {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* 9. Location & Connectivity */
.location-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

@media (max-width: 900px) {
  .location-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
}

.address-box {
  background-color: var(--color-surface);
  border-left: 4px solid var(--color-accent-dark);
  padding: var(--space-md) var(--space-lg);
  margin-bottom: var(--space-xl);
}

.address-title {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.address-text {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0;
}

.connectivity-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.connectivity-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: var(--space-md);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.connectivity-dest {
  font-weight: 700;
  color: var(--color-primary);
  font-size: 0.95rem;
}

.connectivity-note {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.connectivity-time {
  text-align: right;
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-accent-dark);
  font-size: 1.1rem;
  white-space: nowrap;
  padding-left: var(--space-md);
}

.map-wrapper {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background-color: var(--color-surface);
  height: 100%;
  min-height: 380px;
}

.map-wrapper iframe {
  width: 100%;
  height: 100%;
  min-height: 380px;
  border: 0;
}

.map-placeholder-img {
  width: 100%;
  height: 100%;
  min-height: 380px;
  object-fit: cover;
}

/* 10. Amenities Section */
.amenities-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

@media (max-width: 992px) {
  .amenities-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .amenities-grid {
    grid-template-columns: 1fr;
  }
}

.amenity-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.amenity-card:hover {
  border-color: var(--color-border-dark);
  transform: translateY(-3px);
}

.amenity-media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background-color: var(--color-surface-subtle);
}

.amenity-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.amenity-card:hover .amenity-media img {
  transform: scale(1.03);
}

.amenity-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
}

.amenity-body {
  padding: var(--space-lg);
  flex: 1;
}

.amenity-title {
  font-size: 1.2rem;
  margin-bottom: var(--space-sm);
}

.amenity-desc {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
  line-height: 1.6;
}

/* 11. Floor Plans & Products */
.plans-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
}

.plan-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.plan-media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background-color: var(--color-surface-subtle);
  border-bottom: 1px solid var(--color-border);
}

.plan-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.plan-content {
  padding: var(--space-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.plan-specs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin: var(--space-md) 0;
}

.plan-spec-badge {
  background-color: var(--color-accent-light);
  border: 1px solid var(--color-border);
  padding: 4px 10px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-primary);
  border-radius: var(--radius-sm);
}

.plan-features {
  list-style: none;
  font-size: 0.88rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
}

.plan-features li {
  padding-left: 18px;
  position: relative;
  margin-bottom: 6px;
}

.plan-features li::before {
  content: '•';
  position: absolute;
  left: 4px;
  color: var(--color-accent-dark);
  font-weight: bold;
}

/* 12. Gallery Section */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

@media (max-width: 768px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .gallery-grid {
    grid-template-columns: 1fr;
  }
}

.gallery-item {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background-color: var(--color-surface-subtle);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.gallery-item:hover img {
  transform: scale(1.04);
}

.gallery-caption {
  position: absolute;
  bottom: 0;
  inset-inline: 0;
  padding: 12px;
  background: linear-gradient(0deg, rgba(24, 61, 53, 0.85) 0%, transparent 100%);
  color: var(--color-white);
  font-size: 0.85rem;
  font-weight: 600;
}

/* 13. Articles & News Section */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

@media (max-width: 992px) {
  .articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .articles-grid {
    grid-template-columns: 1fr;
  }
}

.article-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.article-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-border-dark);
}

.article-thumbnail {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background-color: var(--color-surface-subtle);
}

.article-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.article-card:hover .article-thumbnail img {
  transform: scale(1.04);
}

.article-card-body {
  padding: var(--space-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.article-category {
  font-weight: 700;
  color: var(--color-accent-dark);
  text-transform: uppercase;
}

.article-card-title {
  font-size: 1.15rem;
  line-height: 1.35;
  margin-bottom: var(--space-sm);
}

.article-card-title a {
  color: var(--color-primary);
  transition: color var(--transition-fast);
}

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

.article-excerpt {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-md);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-read-more {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.load-more-container {
  text-align: center;
  margin-top: var(--space-2xl);
}

/* 14. Contact & Consultation Form */
.contact-section {
  background-color: var(--color-surface);
}

.contact-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--space-2xl);
  align-items: start;
}

@media (max-width: 900px) {
  .contact-layout {
    grid-template-columns: 1fr;
  }
}

.consultant-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: var(--space-xl);
  border-radius: var(--radius-sm);
}

.consultant-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.consultant-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-accent);
}

.consultant-info h4 {
  font-size: 1.2rem;
  margin-bottom: 2px;
}

.consultant-info p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
}

.contact-channel-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.contact-channel-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast);
}

.contact-channel-item:hover {
  border-color: var(--color-primary);
}

.channel-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--color-accent-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  flex-shrink: 0;
}

.channel-label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

.channel-val {
  font-weight: 700;
  color: var(--color-primary);
  font-size: 0.95rem;
}

/* Contact Form */
.form-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: var(--space-xl);
  border-radius: var(--radius-sm);
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.form-group label span.required {
  color: var(--color-danger);
}

.form-control {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-border-dark);
  background-color: var(--color-surface);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: 0.95rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(24, 61, 53, 0.1);
  outline: none;
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

@media (max-width: 600px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

.form-alert {
  padding: 14px;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
  font-size: 0.92rem;
  display: none;
}

.form-alert.is-visible {
  display: block;
}

.form-alert-success {
  background-color: #ECFDF5;
  color: #065F46;
  border: 1px solid #A7F3D0;
}

.form-alert-danger {
  background-color: #FEF2F2;
  color: #991B1B;
  border: 1px solid #FECACA;
}

/* Honeypot field (hidden from real users) */
.hp-field {
  display: none !important;
  visibility: hidden !important;
}

/* 15. Footer */
.site-footer {
  background-color: var(--color-primary);
  color: rgba(247, 245, 240, 0.85);
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-2xl);
  border-top: 1px solid rgba(184, 155, 101, 0.2);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
}

.footer-brand h3 {
  color: var(--color-white);
  font-size: 1.5rem;
  margin-bottom: 6px;
}

.footer-brand p {
  color: rgba(247, 245, 240, 0.7);
  font-size: 0.95rem;
}

.footer-col h4 {
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-md);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: rgba(247, 245, 240, 0.8);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

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

.footer-disclaimer-box {
  border-top: 1px solid rgba(247, 245, 240, 0.12);
  padding-top: var(--space-xl);
  margin-bottom: var(--space-xl);
  font-size: 0.82rem;
  line-height: 1.6;
  color: rgba(247, 245, 240, 0.6);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(247, 245, 240, 0.08);
  padding-top: var(--space-md);
  font-size: 0.85rem;
  color: rgba(247, 245, 240, 0.5);
  flex-wrap: wrap;
  gap: var(--space-md);
}

/* 16. Sticky Mobile Contact Bar */
.mobile-sticky-bar {
  display: none;
}

@media (max-width: 768px) {
  .mobile-sticky-bar {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 99;
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-border);
    box-shadow: 0 -4px 12px rgba(24, 61, 53, 0.08);
    padding-bottom: env(safe-area-inset-bottom, 0px);
  }

  .mobile-sticky-item {
    flex: 1;
    min-height: var(--mobile-bar-height);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
    border-right: 1px solid var(--color-border);
    padding: 6px 4px;
    transition: background-color var(--transition-fast);
  }

  .mobile-sticky-item:last-child {
    border-right: none;
  }

  .mobile-sticky-item:active {
    background-color: var(--color-surface-subtle);
  }

  .mobile-sticky-item.item-call {
    background-color: var(--color-primary);
    color: var(--color-white);
  }

  .mobile-sticky-item.item-call:active {
    background-color: var(--color-primary-dark);
  }

  .mobile-sticky-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

/* 17. Article Detail Page */
.article-header {
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-xl);
  max-width: 860px;
  margin: 0 auto;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
}

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

.breadcrumb a:hover {
  color: var(--color-primary);
}

.breadcrumb-sep {
  opacity: 0.5;
}

.article-title {
  margin-bottom: var(--space-md);
  line-height: 1.25;
}

.article-meta-bar {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-md);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.article-featured-media {
  max-width: 960px;
  margin: 0 auto var(--space-2xl);
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.article-featured-media img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.article-content-wrapper {
  max-width: 780px;
  margin: 0 auto var(--space-3xl);
  font-size: 1.05rem;
  line-height: 1.85;
}

.article-content-wrapper p {
  margin-bottom: var(--space-lg);
}

.article-content-wrapper h2 {
  font-size: 1.6rem;
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
}

.article-content-wrapper h3 {
  font-size: 1.35rem;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
}

.article-content-wrapper blockquote {
  border-left: 4px solid var(--color-accent-dark);
  padding-left: var(--space-lg);
  font-style: italic;
  color: var(--color-text-muted);
  margin: var(--space-xl) 0;
}

.article-content-wrapper img {
  border-radius: var(--radius-sm);
  margin: var(--space-xl) 0;
  border: 1px solid var(--color-border);
}

/* Post-Article Consultation Box */
.article-cta-box {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: 4px solid var(--color-primary);
  border-radius: var(--radius-sm);
  padding: var(--space-xl);
  margin: var(--space-2xl) 0;
  text-align: center;
}

.article-cta-box h3 {
  margin-bottom: var(--space-sm);
}

.article-cta-box p {
  color: var(--color-text-muted);
  max-width: 580px;
  margin: 0 auto var(--space-lg);
}

/* Related Articles */
.related-section {
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--color-border);
}

.related-title {
  margin-bottom: var(--space-xl);
  text-align: center;
}