/* ==========================================================================
   Keepsake Family Tree - Official Brand & Marketing Stylesheet
   Baseline 8.1 Public Web Portal & Legal Compliance System
   Palette: Emerald (#0A3824), Muted Gold (#D4AF37), Warm Parchment (#FDFBF7)
   ========================================================================== */

:root {
  --color-primary: #0A3824;
  --color-primary-dark: #062417;
  --color-primary-light: #16563A;
  --color-accent-gold: #C5A059;
  --color-accent-gold-light: #DFBF7A;
  --color-accent-gold-dark: #9E7D3B;
  
  --color-bg-parchment: #FDFBF7;
  --color-bg-subtle: #F6F3EC;
  --color-bg-card: #FFFFFF;
  
  --color-text-main: #24292E;
  --color-text-muted: #586069;
  --color-text-light: #8C959F;
  --color-border: #E1DDD2;
  --color-border-subtle: #EDE9E0;

  --font-serif: "Playfair Display", Georgia, "Times New Roman", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --shadow-sm: 0 1px 3px rgba(10, 56, 36, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(10, 56, 36, 0.08), 0 2px 4px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 12px 28px rgba(10, 56, 36, 0.12), 0 4px 8px rgba(0, 0, 0, 0.06);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
}

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

html {
  scroll-behavior: auto; /* Precision tapered scrolling engine handled in main.js */
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg-parchment);
  color: var(--color-text-main);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  opacity: 1;
  transition: opacity 0.2s cubic-bezier(0.4, 0, 0.2, 1), transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  animation: pageEnterSoft 0.32s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes pageEnterSoft {
  0% {
    opacity: 0;
    transform: translateY(6px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

body.page-transitioning {
  opacity: 0;
  transform: translateY(-4px);
  pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
  body {
    animation: none !important;
    transition: none !important;
  }
  body.page-transitioning {
    opacity: 1 !important;
    transform: none !important;
  }
}

a {
  color: var(--color-primary-light);
  text-decoration: none;
  transition: color 0.15s ease-in-out;
}

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

/* ==========================================================================
   Header & Navigation
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(253, 251, 247, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border-subtle);
  padding: 0.85rem 1.5rem;
}

.nav-container {
  max-width: 1160px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.brand-logo:hover {
  opacity: 0.94;
  transform: translateY(-1px);
}

.brand-icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  filter: drop-shadow(0 2px 5px rgba(10, 56, 36, 0.18));
}

.brand-text-group {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.brand-name {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.01em;
}

.brand-tagline-sub {
  font-family: var(--font-sans);
  font-size: 0.62rem;
  font-weight: 700;
  color: var(--color-accent-gold-dark);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  margin-top: 2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

.nav-link {
  position: relative;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-muted);
  padding: 0.35rem 0;
  white-space: nowrap;
  transition: color 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent-gold-dark);
  border-radius: 2px;
  transition: width 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

.nav-link.active {
  color: var(--color-primary);
  font-weight: 500; /* Preserve width to prevent horizontal jitter across page changes */
}

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  width: 40px;
  height: 40px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: 2px;
  transition: all 0.25s ease;
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-full);
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #FFFFFF !important;
  box-shadow: 0 2px 6px rgba(10, 56, 36, 0.25);
}

.btn-primary:hover {
  background-color: var(--color-primary-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(10, 56, 36, 0.3);
}

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

.btn-outline:hover {
  background-color: var(--color-primary);
  color: #FFFFFF !important;
}

/* ==========================================================================
   Page Layout & Legal / Support Containers
   ========================================================================== */

.page-wrapper {
  max-width: 920px;
  margin: 2.5rem auto 5rem;
  padding: 0 1.5rem;
}

.page-header {
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.page-title {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
  line-height: 1.25;
}

.page-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-muted);
}

.meta-badge {
  display: inline-block;
  background-color: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  margin-top: 0.75rem;
}

/* Document Article Content */
.legal-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.5rem 3rem;
  box-shadow: var(--shadow-sm);
}

.legal-section {
  margin-bottom: 2rem;
}

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

.legal-section h2 {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  color: var(--color-primary);
  margin-bottom: 0.85rem;
  border-bottom: 1px dashed var(--color-border-subtle);
  padding-bottom: 0.4rem;
}

.legal-section h3 {
  font-size: 1.15rem;
  color: var(--color-text-main);
  margin: 1.2rem 0 0.5rem;
}

.legal-section p {
  margin-bottom: 1rem;
  color: var(--color-text-main);
}

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

.legal-section ul,
.legal-section ol {
  margin-left: 1.5rem;
  margin-bottom: 1rem;
}

.legal-section li {
  margin-bottom: 0.4rem;
}

.highlight-box {
  background-color: rgba(197, 160, 89, 0.08);
  border-left: 4px solid var(--color-accent-gold);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 1rem 1.25rem;
  margin: 1.25rem 0;
}

.highlight-box p {
  color: var(--color-primary-dark);
  font-size: 0.95rem;
}

/* ==========================================================================
   Support & FAQ Accordion Components
   ========================================================================== */

.faq-grid {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.faq-item {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.faq-item:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  user-select: none;
}

.faq-question::after {
  content: '▾';
  font-size: 1.3rem;
  color: var(--color-accent-gold-dark);
  transition: transform 0.25s ease;
  flex-shrink: 0;
  margin-left: 1rem;
}

.faq-item.open .faq-question::after {
  transform: rotate(180deg);
  color: var(--color-primary);
}

.faq-answer {
  color: var(--color-text-muted);
  font-size: 0.98rem;
  line-height: 1.6;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.35s ease, opacity 0.25s ease, margin-top 0.25s ease;
  margin-top: 0;
}

.faq-item.open .faq-answer {
  max-height: 600px;
  opacity: 1;
  margin-top: 0.75rem;
}

.contact-card {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  margin-top: 3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
}

.contact-card h2 {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  color: #FFFFFF;
}

.contact-card p {
  max-width: 600px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 1rem;
}

.contact-email-btn {
  background-color: var(--color-accent-gold);
  color: var(--color-primary-dark) !important;
  font-weight: 700;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-full);
  margin-top: 0.5rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.contact-email-btn:hover {
  background-color: var(--color-accent-gold-light);
  transform: translateY(-1px);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  background-color: #F3EFE6;
  border-top: 1px solid var(--color-border);
  padding: 3.5rem 1.5rem 2rem;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.footer-container {
  max-width: 1160px;
  margin: 0 auto;
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.footer-brand {
  max-width: 320px;
}

.footer-brand p {
  margin-top: 0.65rem;
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--color-text-muted);
}

.footer-nav-group h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  margin-bottom: 0.85rem;
  font-weight: 700;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-bottom {
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.82rem;
  color: var(--color-text-light);
}

/* ==========================================================================
   Marketing Landing Page Components (REQ-MKT-001, REQ-MKT-003)
   ========================================================================== */

.hero-section {
  padding: 4.5rem 1.5rem 3.5rem;
  background: radial-gradient(circle at 50% 20%, rgba(197, 160, 89, 0.08) 0%, transparent 70%);
  text-align: center;
}

.hero-container {
  max-width: 980px;
  margin: 0 auto;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: rgba(10, 56, 36, 0.06);
  border: 1px solid rgba(10, 56, 36, 0.12);
  color: var(--color-primary);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: 3.25rem;
  font-weight: 700;
  line-height: 1.18;
  color: var(--color-primary);
  margin-bottom: 1.25rem;
}

.hero-title span {
  color: var(--color-accent-gold-dark);
}

.hero-lead {
  font-size: 1.2rem;
  color: var(--color-text-muted);
  max-width: 760px;
  margin: 0 auto 2rem;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  margin-bottom: 2.25rem;
}

.store-badges {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.store-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  background-color: #0A0A0A;
  color: #FFFFFF !important;
  padding: 0.55rem 1.2rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, background-color 0.15s ease;
}

.store-badge:hover {
  transform: translateY(-2px);
  background-color: #222222;
}

.store-badge svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

.store-badge-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
  text-align: left;
}

.store-badge-small {
  font-size: 0.68rem;
  opacity: 0.8;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.store-badge-large {
  font-size: 0.95rem;
  font-weight: 700;
}

/* ==========================================================================
   Hero Interactive Product Showcase (Tree, Timeline, Map)
   ========================================================================== */

.hero-mockup-wrapper {
  margin: 3.5rem auto 1rem;
  max-width: 1080px;
  padding: 0.5rem;
  background: linear-gradient(135deg, rgba(197, 160, 89, 0.35) 0%, rgba(10, 56, 36, 0.25) 100%);
  border-radius: 20px;
  box-shadow: var(--shadow-lg), 0 20px 40px rgba(10, 56, 36, 0.12);
}

.mockup-window {
  background-color: #FFFFFF;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.mockup-toolbar {
  background-color: #F7F5EF;
  border-bottom: 1px solid var(--color-border);
  padding: 0.65rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.toolbar-left {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.window-dots {
  display: flex;
  gap: 6px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot-red { background-color: #FF5F56; }
.dot-yellow { background-color: #FFBD2E; }
.dot-green { background-color: #27C93F; }

/* Showcase Tab Switcher */
.showcase-nav-switcher {
  display: inline-flex;
  align-items: center;
  background-color: #EDE8DC;
  padding: 3px;
  border-radius: var(--radius-full);
  gap: 2px;
}

.showcase-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.95rem;
  border-radius: var(--radius-full);
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
}

.showcase-tab-btn:hover {
  color: var(--color-primary);
}

.showcase-tab-btn.active {
  background-color: var(--color-primary);
  color: #FFFFFF;
  box-shadow: 0 2px 6px rgba(10, 56, 36, 0.25);
}

.showcase-tab-btn.active .tab-icon {
  transform: scale(1.1);
}

.toolbar-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.toolbar-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.75rem;
  background: #EAE6DB;
  padding: 3px 10px;
  border-radius: 4px;
  color: #0A3824;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: #27C93F;
  box-shadow: 0 0 0 0 rgba(39, 201, 63, 0.7);
  animation: pulseGreen 2s infinite;
}

@keyframes pulseGreen {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(39, 201, 63, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(39, 201, 63, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(39, 201, 63, 0); }
}

/* Showcase Viewport */
.showcase-viewport {
  position: relative;
  background-color: #FAF8F2;
  background-image: radial-gradient(#E5DFCE 1.2px, transparent 1.2px);
  background-size: 24px 24px;
  min-height: 480px;
  overflow: hidden;
}

.showcase-view {
  display: none;
  opacity: 0;
  transition: opacity 0.3s ease;
  padding: 2.25rem 1.5rem;
}

.showcase-view.active {
  display: block;
  opacity: 1;
}

/* HUD Overlay Controls */
.showcase-hud-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px dashed rgba(197, 160, 89, 0.35);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  flex-wrap: wrap;
  gap: 0.5rem;
}

.hud-title {
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--color-primary-dark);
  font-size: 0.92rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hud-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hud-btn {
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-primary);
  cursor: default;
}

/* --- View 1: Tree Canvas Styles --- */
.tree-canvas-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  position: relative;
  width: 100%;
}

.tree-era-row {
  width: 100%;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.tree-era-marker {
  width: 100%;
  border-top: 1px dashed rgba(197, 160, 89, 0.45);
  margin-bottom: 1rem;
  position: relative;
}

.tree-era-tag {
  position: absolute;
  top: -11px;
  left: 15px;
  background-color: #EDE8DA;
  color: var(--color-accent-gold-dark);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 2px 8px;
  border-radius: 4px;
}

.tree-nodes-cluster {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  position: relative;
  flex-wrap: wrap;
}

.union-bridge {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.union-ring-pill {
  background-color: #FAF8F2;
  border: 1.5px solid var(--color-accent-gold);
  color: var(--color-accent-gold-dark);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  box-shadow: var(--shadow-sm);
  z-index: 5;
}

.tree-connector-stem {
  width: 2px;
  height: 22px;
  background: linear-gradient(180deg, var(--color-accent-gold), rgba(197, 160, 89, 0.6));
  margin: 0 auto;
}

.tree-bus-line {
  width: 65%;
  height: 2px;
  background: var(--color-accent-gold);
  margin: 0 auto;
  position: relative;
}

.tree-card-node {
  background-color: #FFFFFF;
  border: 1.5px solid var(--color-accent-gold);
  border-radius: 12px;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  box-shadow: var(--shadow-sm);
  min-width: 190px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  position: relative;
}

.tree-card-node:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.tree-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.88rem;
  border: 2px solid var(--color-accent-gold);
  flex-shrink: 0;
}

.tree-node-meta h4 {
  font-family: var(--font-serif);
  font-size: 0.92rem;
  color: var(--color-primary-dark);
  line-height: 1.2;
}

.tree-node-meta p {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  line-height: 1.3;
}

.branch-fold-pill {
  background-color: rgba(10, 56, 36, 0.08);
  border: 1px dashed var(--color-primary);
  color: var(--color-primary);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 12px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

/* --- View 2: Milestone Timeline Styles --- */
.timeline-stream {
  position: relative;
  max-width: 780px;
  margin: 0 auto;
  padding-left: 2.5rem;
}

.timeline-spine {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 20px;
  width: 3px;
  background: linear-gradient(180deg, var(--color-accent-gold-light), var(--color-accent-gold), var(--color-primary));
  border-radius: 2px;
}

.timeline-event-row {
  position: relative;
  margin-bottom: 1.75rem;
}

.timeline-event-row:last-child {
  margin-bottom: 0;
}

.timeline-jewel {
  position: absolute;
  left: -2.5rem;
  top: 12px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background-color: var(--color-primary);
  border: 2px solid var(--color-accent-gold);
  box-shadow: 0 0 0 3px rgba(197, 160, 89, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  color: #FFFFFF;
  z-index: 2;
}

.timeline-event-card {
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-left: 3.5px solid var(--color-accent-gold-dark);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.timeline-event-card:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
}

.timeline-header-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.35rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.timeline-year-tag {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-primary);
}

.timeline-category-pill {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
  background-color: var(--color-bg-subtle);
  color: var(--color-accent-gold-dark);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.timeline-event-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 0.25rem;
}

.timeline-event-desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.45;
}

/* --- View 3: Heritage Cartography Map Styles --- */
.map-canvas-container {
  position: relative;
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
}

.cartography-svg {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background-color: #F8F5EE;
  box-shadow: inset 0 0 30px rgba(10, 56, 36, 0.04);
}

.map-pin-pulse {
  animation: mapPulse 2.5s infinite;
  transform-origin: center;
}

@keyframes mapPulse {
  0% { transform: scale(1); opacity: 0.8; }
  50% { transform: scale(1.4); opacity: 0.2; }
  100% { transform: scale(1); opacity: 0.8; }
}

.migration-arc {
  stroke-dasharray: 6, 6;
  animation: dashTravel 30s linear infinite;
}

@keyframes dashTravel {
  from { stroke-dashoffset: 600; }
  to { stroke-dashoffset: 0; }
}

.map-legend-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  margin-top: 1rem;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  flex-wrap: wrap;
}

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

.legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.legend-born { background-color: #2E7D32; }
.legend-lived { background-color: #1976D2; }
.legend-rested { background-color: #424242; }

/* Brand Trust Bar */
.brand-trust-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin: 2.5rem auto 0;
  padding: 1.25rem 1.75rem;
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.brand-trust-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.brand-trust-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background-color: rgba(10, 56, 36, 0.06);
  border: 1px solid rgba(197, 160, 89, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  flex-shrink: 0;
}

.brand-trust-text h5 {
  font-size: 0.85rem;
  color: var(--color-primary-dark);
  font-weight: 700;
  margin-bottom: 2px;
}

.brand-trust-text p {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  line-height: 1.3;
}

/* Decorative Brand Divider */
.brand-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  margin: 4rem auto;
  max-width: 650px;
  padding: 0 1.5rem;
}

.divider-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.divider-gem {
  color: var(--color-accent-gold);
  font-size: 1.1rem;
  line-height: 1;
  text-shadow: 0 0 6px rgba(197, 160, 89, 0.4);
}

/* Feature Card Mini Graphics */
.feature-graphic-box {
  width: 100%;
  height: 110px;
  border-radius: var(--radius-md);
  background-color: #FAF8F2;
  border: 1px solid var(--color-border-subtle);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.feature-graphic-box svg {
  width: 100%;
  height: 100%;
}

/* Feature Grid Section */
.section {
  padding: 5rem 1.5rem;
}

.section-container {
  max-width: 1160px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3.5rem;
}

.section-tag {
  color: var(--color-accent-gold-dark);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
  line-height: 1.2;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.feature-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent-gold);
}

.feature-icon-wrapper {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background-color: rgba(10, 56, 36, 0.06);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

.feature-card h3 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--color-primary);
  margin-bottom: 0.65rem;
}

.feature-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Step Walkthrough Grid */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.step-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
}

.step-num {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--color-accent-gold);
  line-height: 1;
  margin-bottom: 1rem;
}

.step-card h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.step-card p {
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

/* Pricing Section */
.pricing-section {
  background-color: var(--color-bg-subtle);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

/* Currency Selector Controls */
.currency-controls-container {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1.5rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.currency-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.currency-select {
  appearance: none;
  background-color: var(--color-bg-card);
  color: var(--color-primary-dark);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 0.5rem 2.5rem 0.5rem 1.15rem;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230F5132' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 0.85rem center;
  background-size: 1rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.currency-select:hover,
.currency-select:focus {
  border-color: var(--color-accent-gold);
  outline: none;
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.25);
}

.currency-nav-item {
  display: flex;
  align-items: center;
}

.currency-nav-select {
  appearance: none;
  background-color: rgba(255, 255, 255, 0.95);
  color: var(--color-primary-dark);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 0.35rem 1.8rem 0.35rem 0.75rem;
  font-size: 0.825rem;
  font-weight: 600;
  cursor: pointer;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230F5132' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 0.55rem center;
  background-size: 0.85rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.currency-nav-select:hover,
.currency-nav-select:focus {
  border-color: var(--color-accent-gold);
  outline: none;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
  max-width: 1240px;
  margin: 0 auto;
}

.pricing-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.25rem 1.75rem;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: var(--shadow-sm);
}

.pricing-card.featured {
  border: 2px solid var(--color-accent-gold);
  box-shadow: var(--shadow-lg);
}

.pricing-card.heirloom-card {
  border: 2px solid var(--color-primary);
  box-shadow: var(--shadow-md);
}

.featured-ribbon {
  position: absolute;
  top: -12px;
  right: 24px;
  background-color: var(--color-accent-gold);
  color: var(--color-primary-dark);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

.featured-ribbon.heirloom {
  background-color: var(--color-primary);
  color: var(--color-accent-gold);
  border: 1px solid var(--color-accent-gold);
}

.plan-name {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-primary);
  margin-bottom: 0.35rem;
}

.plan-tagline {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

.plan-price {
  margin-bottom: 1.75rem;
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
}

.price-currency {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
}

.price-val {
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
}

.price-period {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.plan-features {
  list-style: none;
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  flex-grow: 1;
}

.plan-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  font-size: 0.95rem;
  color: var(--color-text-main);
}

.feature-check {
  color: var(--color-primary);
  font-weight: bold;
}

/* Testimonials Grid */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.testimonial-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.testimonial-quote {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-style: italic;
  color: var(--color-primary-dark);
  line-height: 1.6;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.author-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background-color: var(--color-bg-subtle);
  border: 1.5px solid var(--color-accent-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--color-primary);
}

.author-info h4 {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--color-primary);
}

.author-info p {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   Responsive Adaptations
   ========================================================================== */

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.25rem;
  }
  
  .section-title {
    font-size: 1.95rem;
  }

  .mockup-node-row {
    flex-direction: column;
    gap: 1rem;
  }

  .legal-card {
    padding: 1.75rem 1.5rem;
  }

  .page-title {
    font-size: 1.85rem;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 61px;
    left: 0;
    right: 0;
    background-color: var(--color-bg-card);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    padding: 1.5rem 2rem;
    gap: 1.25rem;
    box-shadow: var(--shadow-md);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.25s ease, opacity 0.2s ease;
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .footer-top {
    flex-direction: column;
  }
}

/* ==========================================================================
   Multi-Platform Download Hub Styles
   ========================================================================== */

.download-hero-box {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 3rem;
}

.release-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: #EBF3EE;
  color: var(--color-primary);
  border: 1px solid rgba(10, 56, 36, 0.2);
  padding: 0.35rem 0.95rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  letter-spacing: 0.02em;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #2E7D32;
  box-shadow: 0 0 0 0 rgba(46, 125, 50, 0.7);
  animation: pulseGreen 2s infinite;
}

@keyframes pulseGreen {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(46, 125, 50, 0.7);
  }
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 8px rgba(46, 125, 50, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(46, 125, 50, 0);
  }
}

/* Detected OS Banner */
.os-detect-banner {
  background: linear-gradient(135deg, #0A3824 0%, #124A32 100%);
  color: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 1.75rem 2rem;
  margin: 0 auto 3rem;
  max-width: 860px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(197, 160, 89, 0.3);
}

.os-detect-info {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.os-detect-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background-color: rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.os-detect-icon svg {
  width: 26px;
  height: 26px;
  fill: #FFFFFF;
}

.os-detect-text h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: #FFFFFF;
  margin-bottom: 0.25rem;
}

.os-detect-text p {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
}

.os-detect-action {
  flex-shrink: 0;
}

.btn-detect-download {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--color-accent-gold);
  color: var(--color-primary-dark) !important;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  transition: transform 0.15s ease, background-color 0.15s ease;
}

.btn-detect-download:hover {
  background-color: var(--color-accent-gold-light);
  transform: translateY(-2px);
}

/* Platform Filter Tabs */
.platform-filter-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.platform-tab-btn {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.55rem 1.25rem;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.platform-tab-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.platform-tab-btn.active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: #FFFFFF;
  box-shadow: var(--shadow-sm);
}

/* Download Grid */
.download-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-bottom: 3.5rem;
}

.platform-card {
  position: relative;
  background-color: var(--color-bg-card);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.platform-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-light);
}

.platform-card.recommended {
  border-color: var(--color-accent-gold);
  box-shadow: 0 6px 20px rgba(197, 160, 89, 0.18);
  background-color: #FFFEFA;
}

.card-recommend-badge {
  position: absolute;
  top: -11px;
  right: 20px;
  background: linear-gradient(135deg, #C5A059 0%, #A8843E 100%);
  color: #FFFFFF;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.platform-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.platform-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background-color: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.platform-icon svg {
  width: 26px;
  height: 26px;
  fill: var(--color-primary);
}

.platform-meta h3 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--color-primary);
  margin-bottom: 0.2rem;
}

.platform-meta .platform-subtitle {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

.platform-card-desc {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  margin-bottom: 1.25rem;
}

.platform-features-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem 0;
}

.platform-features-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--color-text-dark);
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.platform-features-list li::before {
  content: "✔";
  color: var(--color-accent-gold-dark);
  font-weight: bold;
  font-size: 0.85rem;
}

.platform-download-actions {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}

.btn-platform-main {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: var(--color-primary);
  color: #FFFFFF !important;
  font-weight: 600;
  font-size: 0.92rem;
  padding: 0.7rem 1.25rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  text-align: center;
  transition: background-color 0.15s ease;
}

.btn-platform-main:hover {
  background-color: var(--color-primary-light);
}

.platform-sub-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  font-size: 0.78rem;
}

.platform-sub-link {
  color: var(--color-accent-gold-dark);
  text-decoration: none;
  font-weight: 600;
  transition: text-decoration 0.15s ease;
}

.platform-sub-link:hover {
  text-decoration: underline;
}

.platform-specs-pill {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-align: center;
  margin-top: 0.5rem;
}

.platform-hidden {
  display: none !important;
}

/* System Requirements & Verification Table */
.requirements-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  margin-top: 3.5rem;
  box-shadow: var(--shadow-sm);
}

.requirements-card h2 {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.requirements-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.88rem;
}

.spec-table th {
  background-color: var(--color-bg-subtle);
  color: var(--color-primary);
  font-weight: 700;
  padding: 0.85rem 1rem;
  border-bottom: 2px solid var(--color-border);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.spec-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-dark);
}

.spec-table tr:hover td {
  background-color: rgba(10, 56, 36, 0.02);
}

.spec-tag {
  display: inline-block;
  background-color: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-family: monospace;
  font-size: 0.8rem;
  color: var(--color-primary-dark);
}

/* Checksum & Integrity Box */
.integrity-notice {
  background-color: #F8F5EE;
  border-left: 4px solid var(--color-accent-gold);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 1.25rem 1.5rem;
  margin-top: 2rem;
  font-size: 0.88rem;
  color: var(--color-text-dark);
}

.integrity-notice code {
  background-color: #EAE6DB;
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
  font-family: monospace;
  font-size: 0.82rem;
}

@media (max-width: 768px) {
  .os-detect-banner {
    flex-direction: column;
    text-align: center;
    padding: 1.5rem;
  }

  .os-detect-info {
    flex-direction: column;
    gap: 0.75rem;
  }

  .os-detect-action {
    width: 100%;
  }

  .btn-detect-download {
    width: 100%;
    justify-content: center;
  }
}

/* ==========================================================================
   Baseline 18.0: Customer Support Portal & Option B Dispatch Modal (REQ-SPT-005..007)
   ========================================================================== */
.support-portal-section {
  margin-top: 2.5rem;
  margin-bottom: 3.5rem;
}

.support-portal-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-top: 4px solid var(--color-accent-gold);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 2.75rem 2.5rem;
  position: relative;
}

.support-portal-header {
  margin-bottom: 2rem;
}

.support-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-primary);
  background: rgba(10, 56, 36, 0.06);
  border: 1px solid rgba(10, 56, 36, 0.14);
  padding: 4px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 0.85rem;
}

.support-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #10B981;
  box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.25);
  display: inline-block;
}

.support-portal-title {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--color-primary);
  margin-bottom: 0.65rem;
  line-height: 1.25;
}

.support-portal-subtitle {
  color: var(--color-text-muted);
  font-size: 1rem;
  max-width: 740px;
  line-height: 1.6;
}

.support-email-link {
  color: var(--color-primary-light);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.15s ease;
}

.support-email-link:hover {
  color: var(--color-accent-gold-dark);
}

.support-form {
  display: flex;
  flex-direction: column;
  gap: 1.35rem;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text-main);
  margin-bottom: 0.45rem;
}

.form-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.45rem;
}

.form-label-row .form-label {
  margin-bottom: 0;
}

.label-title {
  font-weight: 700;
  margin-right: 0.5rem;
}

.label-hint {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-weight: 400;
}

.required-star {
  color: #DC2626;
  margin-left: 2px;
}

.char-counter {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  font-family: monospace;
}

/* Category Chips Grid */
.category-chips-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
}

.category-chip {
  background-color: var(--color-bg-subtle);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.9rem 0.6rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  cursor: pointer;
  transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  text-align: center;
  user-select: none;
}

.category-chip:hover {
  border-color: var(--color-accent-gold);
  background-color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.category-chip .chip-icon {
  font-size: 1.35rem;
  line-height: 1;
}

.category-chip .chip-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-text-main);
}

.category-chip .chip-tag {
  font-size: 0.72rem;
  font-family: monospace;
  color: var(--color-text-light);
}

/* Category Specific Active States */
.category-chip[data-category="idea"].active {
  background: rgba(245, 158, 11, 0.12);
  border-color: #D97706;
  box-shadow: 0 0 0 1px #D97706;
}
.category-chip[data-category="idea"].active .chip-label {
  color: #B45309;
}

.category-chip[data-category="bug"].active {
  background: rgba(239, 68, 68, 0.12);
  border-color: #DC2626;
  box-shadow: 0 0 0 1px #DC2626;
}
.category-chip[data-category="bug"].active .chip-label {
  color: #B91C1C;
}

.category-chip[data-category="praise"].active {
  background: rgba(236, 72, 153, 0.12);
  border-color: #DB2777;
  box-shadow: 0 0 0 1px #DB2777;
}
.category-chip[data-category="praise"].active .chip-label {
  color: #BE185D;
}

.category-chip[data-category="support"].active {
  background: rgba(14, 165, 233, 0.12);
  border-color: #0284C7;
  box-shadow: 0 0 0 1px #0284C7;
}
.category-chip[data-category="support"].active .chip-label {
  color: #0369A1;
}

/* Inbox Filter Routing Tag Preview Banner */
.inbox-routing-banner {
  background: #F8F5EE;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.65rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.routing-icon {
  font-size: 1.1rem;
}

.routing-text {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.routing-label {
  font-weight: 700;
  color: var(--color-text-main);
}

.routing-tag-badge {
  font-family: monospace;
  font-weight: 700;
  font-size: 0.82rem;
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(10, 56, 36, 0.08);
  color: var(--color-primary);
  border: 1px solid rgba(10, 56, 36, 0.15);
}

.routing-arrow {
  color: var(--color-text-light);
}

.routing-address {
  font-weight: 600;
  color: var(--color-primary);
}

/* Form Grid & Input Controls */
.form-row-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.input-with-icon {
  position: relative;
  display: flex;
  align-items: center;
}

.input-prefix-icon {
  position: absolute;
  left: 12px;
  pointer-events: none;
  font-size: 0.95rem;
  opacity: 0.6;
}

.form-control {
  width: 100%;
  padding: 0.75rem 0.85rem 0.75rem 2.4rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--color-text-main);
  background-color: #FFFFFF;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(10, 56, 36, 0.12);
}

.form-control.is-invalid {
  border-color: #DC2626 !important;
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.12) !important;
}

.select-control {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23586069' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px;
  padding-right: 2.5rem;
}

.textarea-control {
  padding: 0.85rem 1rem;
  min-height: 125px;
  resize: vertical;
  line-height: 1.5;
}

.field-error-msg {
  display: none;
  color: #DC2626;
  font-size: 0.8rem;
  margin-top: 0.35rem;
  font-weight: 500;
}

.field-error-msg.visible {
  display: block;
  animation: fadeInDown 0.15s ease;
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-3px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Form Footer & Actions */
.form-footer-action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.25rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--color-border-subtle);
}

.btn-submit-support {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: #FFFFFF !important;
  font-size: 1rem;
  font-weight: 700;
  padding: 0.85rem 2.25rem;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-submit-support:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
}

.privacy-guarantee-note {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--color-text-muted);
  max-width: 480px;
}

.privacy-guarantee-note .shield-icon {
  font-size: 1.1rem;
  flex-shrink: 0;
}

/* Keepsake Dispatch Modal (Option B) */
.support-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(6, 36, 23, 0.65);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.support-modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.dispatch-modal-card {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  border-top: 4px solid var(--color-accent-gold);
  max-width: 580px;
  width: 100%;
  padding: 2.25rem;
  position: relative;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.25);
  transform: translateY(20px) scale(0.96);
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

.support-modal-backdrop.active .dispatch-modal-card {
  transform: translateY(0) scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 14px;
  right: 16px;
  background: transparent;
  border: none;
  font-size: 1.85rem;
  line-height: 1;
  color: var(--color-text-muted);
  cursor: pointer;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all 0.15s ease;
}

.modal-close-btn:hover {
  background-color: var(--color-bg-subtle);
  color: var(--color-text-main);
}

.modal-header-section {
  margin-bottom: 1.25rem;
}

.modal-icon-badge {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
}

.modal-title {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: var(--color-primary);
  margin-bottom: 0.35rem;
}

.modal-subtitle {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.modal-draft-preview {
  background-color: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  margin-bottom: 1.25rem;
  font-size: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.preview-row {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.preview-key {
  font-weight: 700;
  color: var(--color-text-muted);
  min-width: 55px;
}

.preview-val.recipient {
  color: var(--color-primary);
  font-weight: 600;
}

.preview-val.subject {
  color: var(--color-text-main);
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dispatch-options-grid {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.dispatch-tile-btn {
  display: flex;
  align-items: center;
  gap: 1rem;
  width: 100%;
  padding: 0.85rem 1.15rem;
  background: #FFFFFF;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  text-align: left;
  transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1);
}

.dispatch-tile-btn:hover {
  border-color: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.tile-icon-wrap {
  width: 42px;
  height: 42px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.tile-icon-wrap.gmail {
  background-color: #FEE8E6;
}

.tile-icon-wrap.outlook {
  background-color: #E5F3FF;
}

.tile-icon-wrap.mailto {
  background-color: rgba(10, 56, 36, 0.08);
}

.tile-icon-wrap.clipboard {
  background-color: #F8F5EE;
}

.tile-icon-wrap .emoji-icon {
  font-size: 1.25rem;
}

.tile-info {
  flex: 1;
}

.tile-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text-main);
  margin-bottom: 0.15rem;
}

.tile-desc {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

.tile-arrow {
  font-size: 1.2rem;
  color: var(--color-text-light);
  transition: transform 0.15s ease, color 0.15s ease;
}

.dispatch-tile-btn:hover .tile-arrow {
  transform: translateX(3px);
  color: var(--color-primary);
}

.modal-footer-note {
  margin-top: 1.25rem;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  text-align: center;
  line-height: 1.4;
}

/* Floating Support Toast Notification */
.support-toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(120px);
  background: var(--color-primary-dark);
  color: #FFFFFF;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  z-index: 10000;
  opacity: 0;
  pointer-events: none;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
}

.support-toast.visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.support-toast .toast-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  background: #10B981;
  color: #FFFFFF;
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 700;
}

/* Responsive Adjustments for Support Portal */
@media (max-width: 768px) {
  .support-portal-card {
    padding: 1.75rem 1.25rem;
  }

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

  .form-row-two-col {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .dispatch-modal-card {
    padding: 1.5rem;
  }
}

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

  .form-footer-action {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-submit-support {
    width: 100%;
    justify-content: center;
  }

  .privacy-guarantee-note {
    text-align: center;
    justify-content: center;
  }
}

/* ==========================================================================
   Two-Tier Features: Free and Keepsake Pro (Baseline 29, D-4)
   ========================================================================== */

.tier-block {
  margin-bottom: 4rem;
}

.tier-heading {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1.5rem;
}

.tier-heading h3 {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: var(--color-primary);
}

.tier-badge {
  display: inline-block;
  padding: 0.3rem 0.85rem;
  border-radius: var(--radius-full);
  background-color: rgba(10, 56, 36, 0.08);
  color: var(--color-primary);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.tier-badge-pro {
  background-color: var(--color-accent-gold);
  color: var(--color-primary-dark);
}

.tier-banner {
  display: grid;
  grid-template-columns: 3fr 2fr;
  align-items: center;
  gap: 2rem;
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  margin-bottom: 2rem;
}

.tier-block-pro .tier-banner {
  border-color: var(--color-accent-gold);
}

.tier-banner-art {
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  overflow: hidden;
  line-height: 0;
}

.tier-banner-art svg {
  width: 100%;
  height: auto;
}

.tier-banner-text h4 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-primary);
  margin-bottom: 0.65rem;
}

.tier-banner-text p {
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1.6;
}

.tier-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.tier-pair .feature-graphic-box {
  height: auto;
  aspect-ratio: 7 / 5;
}

.tier-compare-link {
  text-align: center;
}

@media (max-width: 768px) {
  .tier-banner,
  .tier-pair {
    grid-template-columns: 1fr;
  }

  .tier-banner {
    padding: 1.25rem;
    gap: 1.25rem;
  }

  .tier-heading {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
}