/* ==========================================================================
   SiamMan Balance — Contemporary Asian Botanical Wellness
   Pure CSS3 Design System & Responsive Layout
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans+Thai:wght@300;400;500;600;700&family=Noto+Sans+Thai:wght@300;400;500;600;700&display=swap');

:root {
  /* Primary Brand Palette */
  --color-forest: #1F4035;       /* เขียวเข้ม — ส่วนหัวและหัวข้อหลัก */
  --color-jade: #4E8A70;         /* เขียวหยก — ปุ่มและลิงก์สำคัญ */
  --color-jade-hover: #3D6F59;
  --color-gold: #C5A267;         /* สีทองหม่น — รายละเอียดตกแต่ง */
  --color-gold-light: #DFC89E;
  --color-cream: #F8F4EA;        /* สีครีม — พื้นหลังหลัก */
  --color-cream-alt: #F1ECE0;
  --color-charcoal: #303632;     /* สีเทาถ่าน — ข้อความ */
  --color-charcoal-muted: #545E58;
  --color-sage: #E7EEE6;         /* สีเขียวอ่อน — พื้นหลังการ์ด */
  --color-sage-border: #CDD9CB;
  --color-white: #FFFFFF;
  --color-danger: #A93B3B;
  --color-danger-bg: #FDF2F2;
  --color-warning-bg: #FCF8EC;
  --color-warning-border: #DFC89E;

  /* Typography */
  --font-heading: 'IBM Plex Sans Thai', 'Noto Sans Thai', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Noto Sans Thai', 'IBM Plex Sans Thai', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Layout & Spacing */
  --container-max: 1200px;
  --container-narrow: 860px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --shadow-subtle: 0 4px 20px rgba(31, 64, 53, 0.06);
  --shadow-hover: 0 10px 28px rgba(31, 64, 53, 0.12);
  --transition: all 0.25s ease;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--color-cream);
  color: var(--color-charcoal);
}

body {
  font-family: var(--font-body);
  line-height: 1.75;
  color: var(--color-charcoal);
  background-color: var(--color-cream);
  background-image: radial-gradient(rgba(197, 162, 103, 0.08) 1px, transparent 1px);
  background-size: 28px 28px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-md);
}

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

a:hover, a:focus {
  color: var(--color-forest);
  text-decoration: underline;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
}

ul, ol {
  padding-left: 1.4rem;
  margin-bottom: 1.25rem;
}

li {
  margin-bottom: 0.5rem;
}

p {
  margin-bottom: 1.2rem;
}

/* Skip to Content for Keyboard Accessibility */
.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--color-forest);
  color: var(--color-white);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  z-index: 9999;
  font-weight: 600;
}

.skip-link:focus {
  top: 16px;
  color: var(--color-white);
  text-decoration: none;
}

/* ==========================================================================
   Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-forest);
  line-height: 1.4;
  font-weight: 600;
  margin-bottom: 0.85rem;
}

h1 {
  font-size: clamp(1.85rem, 3.5vw, 2.75rem);
  letter-spacing: -0.01em;
}

h2 {
  font-size: clamp(1.45rem, 2.5vw, 2.05rem);
  position: relative;
}

h3 {
  font-size: clamp(1.2rem, 2vw, 1.45rem);
}

h4 {
  font-size: 1.125rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-forest);
  background-color: var(--color-sage);
  border: 1px solid var(--color-gold);
  padding: 4px 14px;
  border-radius: 50px;
  margin-bottom: 1rem;
  letter-spacing: 0.02em;
}

.section-subtitle {
  font-size: 1.08rem;
  color: var(--color-charcoal-muted);
  max-width: 740px;
  margin-bottom: 2rem;
}

/* Botanical Divider */
.botanical-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin: 2.5rem 0;
  color: var(--color-gold);
}

.botanical-divider::before,
.botanical-divider::after {
  content: "";
  height: 1px;
  width: 90px;
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
}

/* ==========================================================================
   Layout Containers
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 4.5rem 0;
}

.section-alt {
  background-color: var(--color-cream-alt);
  border-top: 1px solid rgba(197, 162, 103, 0.25);
  border-bottom: 1px solid rgba(197, 162, 103, 0.25);
}

/* ==========================================================================
   Top Medical & Educational Notice Banner
   ========================================================================== */
.top-notice {
  background-color: var(--color-forest);
  color: var(--color-cream);
  font-size: 0.84rem;
  padding: 8px 0;
  border-bottom: 2px solid var(--color-gold);
}

.top-notice-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.top-notice p {
  margin: 0;
}

.top-notice a {
  color: var(--color-gold-light);
  text-decoration: underline;
  font-weight: 500;
}

/* ==========================================================================
   Header & Responsive Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(248, 244, 234, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(197, 162, 103, 0.35);
  box-shadow: 0 2px 14px rgba(31, 64, 53, 0.05);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: 16px;
}

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

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background-color: var(--color-forest);
  border: 2px solid var(--color-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-cream);
  flex-shrink: 0;
}

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

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

.brand-tagline {
  font-size: 0.75rem;
  color: var(--color-charcoal-muted);
  letter-spacing: 0.03em;
}

/* Main Navigation */
.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-list {
  display: flex;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 4px;
}

.nav-item {
  position: relative;
  margin: 0;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 8px 12px;
  font-size: 0.93rem;
  font-weight: 500;
  color: var(--color-charcoal);
  border-radius: var(--radius-sm);
  text-decoration: none;
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-forest);
  background-color: var(--color-sage);
  text-decoration: none;
}

.nav-link.active {
  font-weight: 600;
  box-shadow: inset 0 -2px 0 var(--color-jade);
}

/* Dropdown Menu for Desktop */
.has-dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 250px;
  background-color: var(--color-cream);
  border: 1px solid var(--color-gold);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-hover);
  padding: 8px;
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: var(--transition);
  z-index: 1100;
}

.has-dropdown:hover .dropdown-menu,
.has-dropdown:focus-within .dropdown-menu,
.has-dropdown.open .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu li {
  margin: 0;
}

.dropdown-menu a {
  display: block;
  padding: 9px 14px;
  color: var(--color-charcoal);
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
}

.dropdown-menu a:hover,
.dropdown-menu a.active {
  background-color: var(--color-sage);
  color: var(--color-forest);
  font-weight: 600;
}

/* Header Action Buttons */
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.search-trigger-btn {
  background: var(--color-sage);
  border: 1px solid var(--color-sage-border);
  color: var(--color-forest);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.search-trigger-btn:hover {
  border-color: var(--color-gold);
  background-color: var(--color-white);
}

.mobile-menu-toggle {
  display: none;
  background: var(--color-sage);
  border: 1px solid var(--color-gold);
  color: var(--color-forest);
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-family: var(--font-heading);
  font-size: 0.98rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none !important;
  border: 1px solid transparent;
  line-height: 1.4;
}

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

.btn-primary:hover {
  background-color: var(--color-forest);
  border-color: var(--color-forest);
  box-shadow: 0 4px 12px rgba(31, 64, 53, 0.2);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-forest) !important;
  border: 1.5px solid var(--color-forest);
}

.btn-secondary:hover {
  background-color: var(--color-forest);
  color: var(--color-white) !important;
}

.btn-gold {
  background-color: var(--color-cream);
  color: var(--color-forest) !important;
  border: 1.5px solid var(--color-gold);
}

.btn-gold:hover {
  background-color: var(--color-sage);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.88rem;
}

/* ==========================================================================
   Hero Sections
   ========================================================================== */
.hero-section {
  padding: 4rem 0 4.5rem;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid rgba(197, 162, 103, 0.3);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: center;
}

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

.hero-lead {
  font-size: 1.15rem;
  color: var(--color-charcoal);
  margin-bottom: 1.75rem;
  line-height: 1.8;
}

.hero-topic-box {
  background-color: var(--color-sage);
  border-left: 4px solid var(--color-gold);
  padding: 16px 20px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin-bottom: 2rem;
}

.hero-topic-box p {
  margin: 0;
  font-weight: 500;
  color: var(--color-forest);
  font-size: 0.98rem;
}

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

.hero-media {
  position: relative;
}

.hero-image-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 2px solid var(--color-gold);
  box-shadow: var(--shadow-hover);
}

.hero-image-frame img {
  width: 100%;
  height: 440px;
  object-fit: cover;
  border-radius: 0;
}

.hero-caption-badge {
  position: absolute;
  bottom: 16px;
  left: 16px;
  right: 16px;
  background: rgba(31, 64, 53, 0.9);
  backdrop-filter: blur(6px);
  color: var(--color-cream);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-gold);
  font-size: 0.85rem;
}

/* Inner Page Header */
.page-hero {
  background: linear-gradient(135deg, rgba(31, 64, 53, 0.06) 0%, rgba(231, 238, 230, 0.7) 100%);
  padding: 3.2rem 0;
  border-bottom: 1px solid var(--color-gold);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  padding: 0;
  margin: 0 0 1rem 0;
  font-size: 0.88rem;
  color: var(--color-charcoal-muted);
  gap: 8px;
}

.breadcrumb li {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.breadcrumb li + li::before {
  content: "/";
  color: var(--color-gold);
}

.url-slug-badge {
  display: inline-block;
  font-family: monospace;
  font-size: 0.82rem;
  background: var(--color-white);
  color: var(--color-forest);
  padding: 3px 10px;
  border-radius: 4px;
  border: 1px solid var(--color-sage-border);
  margin-bottom: 0.75rem;
}

/* ==========================================================================
   Cards & Grids
   ========================================================================== */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.card {
  background-color: var(--color-sage);
  border: 1px solid var(--color-sage-border);
  border-radius: var(--radius-md);
  padding: 26px;
  box-shadow: var(--shadow-subtle);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  height: 100%;
  position: relative;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-gold);
}

.card-white {
  background-color: var(--color-white);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background-color: var(--color-forest);
  color: var(--color-gold-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  flex-shrink: 0;
}

.card-tag {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-forest);
  background-color: var(--color-cream);
  border: 1px solid var(--color-gold);
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 12px;
}

.card h3 {
  margin-bottom: 10px;
}

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

.card-footer {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid rgba(31, 64, 53, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-link {
  font-weight: 600;
  color: var(--color-jade);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.94rem;
}

.card-link:hover {
  color: var(--color-forest);
}

/* ==========================================================================
   Article Layout with Sidebar Table of Contents (TOC)
   ========================================================================== */
.article-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 36px;
  align-items: start;
}

.toc-sidebar {
  position: sticky;
  top: 96px;
  background-color: var(--color-sage);
  border: 1px solid var(--color-gold);
  border-radius: var(--radius-md);
  padding: 22px;
}

.toc-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-forest);
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(31, 64, 53, 0.15);
  display: flex;
  align-items: center;
  gap: 8px;
}

.toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.toc-list li {
  margin-bottom: 8px;
}

.toc-list a {
  display: block;
  font-size: 0.9rem;
  color: var(--color-charcoal);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  border-left: 3px solid transparent;
  text-decoration: none;
}

.toc-list a:hover,
.toc-list a.active {
  background-color: var(--color-cream);
  color: var(--color-forest);
  border-left-color: var(--color-jade);
  font-weight: 600;
}

.article-content {
  background-color: var(--color-white);
  border: 1px solid var(--color-sage-border);
  border-radius: var(--radius-md);
  padding: 36px;
  box-shadow: var(--shadow-subtle);
}

.article-section {
  margin-bottom: 2.75rem;
  scroll-margin-top: 100px;
}

.article-section:last-child {
  margin-bottom: 0;
}

/* ==========================================================================
   Disclaimer & Warning Callouts
   ========================================================================== */
.callout {
  padding: 22px 24px;
  border-radius: var(--radius-md);
  margin: 1.75rem 0;
  border-left: 5px solid var(--color-forest);
  background-color: var(--color-sage);
}

.callout-title {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-forest);
  font-size: 1.05rem;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.callout-warning {
  background-color: var(--color-warning-bg);
  border: 1px solid var(--color-warning-border);
  border-left: 5px solid var(--color-gold);
}

.callout-medical {
  background-color: #F4F7F4;
  border: 1px solid var(--color-jade);
  border-left: 5px solid var(--color-forest);
}

/* ==========================================================================
   Interactive Herb Filter & Comparison Table
   ========================================================================== */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
  background: var(--color-white);
  padding: 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-sage-border);
}

.filter-btn {
  background-color: var(--color-cream);
  color: var(--color-charcoal);
  border: 1px solid var(--color-sage-border);
  padding: 8px 18px;
  border-radius: 30px;
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover {
  border-color: var(--color-jade);
  color: var(--color-forest);
}

.filter-btn.active {
  background-color: var(--color-forest);
  color: var(--color-white);
  border-color: var(--color-forest);
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-gold);
  background-color: var(--color-white);
  box-shadow: var(--shadow-subtle);
  margin: 1.5rem 0;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
  text-align: left;
}

.comparison-table th {
  background-color: var(--color-forest);
  color: var(--color-cream);
  font-family: var(--font-heading);
  font-weight: 600;
  padding: 16px 18px;
  font-size: 0.95rem;
  border-bottom: 2px solid var(--color-gold);
}

.comparison-table td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--color-sage-border);
  vertical-align: top;
  font-size: 0.93rem;
}

.comparison-table tr:nth-child(even) td {
  background-color: rgba(231, 238, 230, 0.35);
}

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

/* ==========================================================================
   Interactive FAQ Accordion
   ========================================================================== */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-sage-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.open {
  border-color: var(--color-gold);
  box-shadow: var(--shadow-subtle);
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 18px 22px;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-forest);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.faq-question:hover {
  background-color: rgba(231, 238, 230, 0.5);
}

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: var(--color-sage);
  color: var(--color-forest);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.25s ease;
  font-weight: 700;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background-color: var(--color-forest);
  color: var(--color-white);
}

.faq-answer {
  display: none;
  padding: 0 22px 20px;
  color: var(--color-charcoal);
  border-top: 1px solid rgba(205, 217, 203, 0.5);
  padding-top: 14px;
}

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

/* ==========================================================================
   Interactive Wellness Checklist & Break Reminder Tool
   ========================================================================== */
.interactive-widget {
  background-color: var(--color-white);
  border: 1.5px solid var(--color-gold);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-subtle);
  margin: 2rem 0;
}

.checklist-progress {
  margin-bottom: 20px;
}

.progress-bar-track {
  width: 100%;
  height: 12px;
  background-color: var(--color-sage);
  border-radius: 20px;
  overflow: hidden;
  margin-top: 8px;
}

.progress-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--color-jade), var(--color-forest));
  transition: width 0.35s ease;
}

.checklist-items {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}

.checklist-label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background-color: var(--color-cream);
  border: 1px solid var(--color-sage-border);
  cursor: pointer;
  transition: var(--transition);
}

.checklist-label:hover {
  border-color: var(--color-jade);
}

.checklist-label input[type="checkbox"] {
  width: 20px;
  height: 20px;
  margin-top: 3px;
  accent-color: var(--color-forest);
  cursor: pointer;
  flex-shrink: 0;
}

.checklist-label.checked {
  background-color: var(--color-sage);
  border-color: var(--color-jade);
}

/* Break Reminder Timer */
.timer-display {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-forest);
  text-align: center;
  padding: 16px;
  background-color: var(--color-sage);
  border-radius: var(--radius-md);
  margin: 16px 0;
  border: 1px solid var(--color-gold);
}

/* ==========================================================================
   Search Overlay & In-Page Search
   ========================================================================== */
.search-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(31, 64, 53, 0.65);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 60px 20px 20px;
}

.search-modal-backdrop.open {
  display: flex;
}

.search-modal {
  background-color: var(--color-cream);
  border: 2px solid var(--color-gold);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 720px;
  padding: 26px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
  max-height: 82vh;
  display: flex;
  flex-direction: column;
}

.search-input-group {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
}

.search-input {
  width: 100%;
  padding: 14px 18px;
  font-family: var(--font-body);
  font-size: 1rem;
  border: 1.5px solid var(--color-jade);
  border-radius: var(--radius-sm);
  background-color: var(--color-white);
  color: var(--color-charcoal);
}

.search-results-container {
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-right: 4px;
}

.search-result-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-sage-border);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  transition: var(--transition);
}

.search-result-item:hover {
  border-color: var(--color-gold);
  background-color: var(--color-sage);
}

/* ==========================================================================
   Forms & Validation
   ========================================================================== */
.form-card {
  background-color: var(--color-white);
  border: 1.5px solid var(--color-gold);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-subtle);
}

.form-group {
  margin-bottom: 22px;
}

.form-label {
  display: block;
  font-weight: 600;
  color: var(--color-forest);
  margin-bottom: 8px;
  font-size: 0.96rem;
}

.required-star {
  color: var(--color-danger);
  margin-left: 3px;
}

.form-control {
  width: 100%;
  padding: 13px 16px;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-charcoal);
  background-color: var(--color-cream);
  border: 1.5px solid var(--color-sage-border);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--color-jade);
  background-color: var(--color-white);
}

.form-control.is-invalid {
  border-color: var(--color-danger);
  background-color: var(--color-danger-bg);
}

.form-hint {
  display: block;
  font-size: 0.84rem;
  color: var(--color-charcoal-muted);
  margin-top: 5px;
}

.field-error {
  display: none;
  font-size: 0.86rem;
  color: var(--color-danger);
  font-weight: 500;
  margin-top: 6px;
}

.field-error.visible {
  display: block;
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  background-color: var(--color-sage);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-sage-border);
}

.checkbox-group input[type="checkbox"] {
  width: 20px;
  height: 20px;
  margin-top: 4px;
  accent-color: var(--color-forest);
  flex-shrink: 0;
  cursor: pointer;
}

.status-banner {
  display: none;
  padding: 18px 22px;
  border-radius: var(--radius-md);
  margin-top: 20px;
  font-size: 0.95rem;
}

.status-banner.visible {
  display: block;
}

.status-banner.error {
  background-color: var(--color-danger-bg);
  border: 1px solid var(--color-danger);
  color: #691B1B;
}

.status-banner.info {
  background-color: var(--color-warning-bg);
  border: 1.5px solid var(--color-gold);
  color: var(--color-forest);
}

/* Honeypot anti-spam field */
.hp-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
  pointer-events: none;
}

/* ==========================================================================
   Product Offer Placeholder Box
   ========================================================================== */
.product-showcase {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 36px;
  align-items: start;
}

.product-photo-placeholder {
  background-color: var(--color-white);
  border: 1px solid var(--color-gold);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
  box-shadow: var(--shadow-subtle);
}

.label-spec-table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
}

.label-spec-table th,
.label-spec-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--color-sage-border);
  text-align: left;
  font-size: 0.94rem;
}

.label-spec-table th {
  width: 38%;
  color: var(--color-forest);
  font-weight: 600;
  background-color: var(--color-sage);
}

/* ==========================================================================
   Cookie Consent Banner & Preferences Modal
   ========================================================================== */
.cookie-banner {
  position: fixed;
  bottom: 20px;
  left: 20px;
  right: 20px;
  max-width: 1080px;
  margin: 0 auto;
  background-color: var(--color-forest);
  color: var(--color-cream);
  border: 2px solid var(--color-gold);
  border-radius: var(--radius-md);
  padding: 22px 26px;
  z-index: 1800;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
  display: none;
}

.cookie-banner.visible {
  display: block;
}

.cookie-banner-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.cookie-banner-text {
  flex: 1 1 520px;
}

.cookie-banner-text h4 {
  color: var(--color-gold-light);
  margin-bottom: 6px;
}

.cookie-banner-text p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-cream);
}

.cookie-banner-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.cookie-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(31, 64, 53, 0.7);
  backdrop-filter: blur(4px);
  z-index: 2100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.cookie-modal-backdrop.open {
  display: flex;
}

.cookie-modal {
  background-color: var(--color-cream);
  border: 2px solid var(--color-gold);
  border-radius: var(--radius-lg);
  max-width: 620px;
  width: 100%;
  padding: 30px;
  max-height: 88vh;
  overflow-y: auto;
}

.cookie-category {
  background-color: var(--color-white);
  border: 1px solid var(--color-sage-border);
  border-radius: var(--radius-sm);
  padding: 16px;
  margin-bottom: 14px;
}

.cookie-category-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background-color: var(--color-forest);
  color: var(--color-cream);
  padding: 4rem 0 2rem;
  border-top: 3px solid var(--color-gold);
  margin-top: 4rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 3rem;
}

.site-footer h4 {
  color: var(--color-gold-light);
  font-size: 1.05rem;
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

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

.footer-links a {
  color: var(--color-cream);
  font-size: 0.92rem;
  opacity: 0.9;
}

.footer-links a:hover {
  color: var(--color-gold-light);
  opacity: 1;
}

.footer-disclaimer {
  background-color: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(197, 162, 103, 0.35);
  border-radius: var(--radius-md);
  padding: 20px;
  font-size: 0.86rem;
  color: rgba(248, 244, 234, 0.9);
  margin-bottom: 2rem;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.85rem;
}

/* ==========================================================================
   Responsive Design (Mobile-first adjustments & Breakpoints)
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid,
  .product-showcase {
    grid-template-columns: 1fr;
  }

  .article-layout {
    grid-template-columns: 1fr;
  }

  .toc-sidebar {
    position: static;
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-4,
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 860px) {
  .mobile-menu-toggle {
    display: inline-flex;
  }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-cream);
    border-bottom: 2px solid var(--color-gold);
    box-shadow: var(--shadow-hover);
    padding: 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
  }

  .main-nav.open {
    display: flex;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
  }

  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    border-left: 2px solid var(--color-gold);
    margin-left: 14px;
    padding: 4px 0 4px 10px;
    background: transparent;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 3rem 0;
  }

  .grid-2,
  .grid-3,
  .grid-4,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .article-content,
  .form-card {
    padding: 22px 18px;
  }

  .hero-image-frame img {
    height: 300px;
  }
}