/* -------------------------------------------------------
   Verdant Botanicals | Institute of Pharmacognosy
   Archival Dark Theme - Established Research Repository
   ------------------------------------------------------- */

:root {
  --primary: #27523f;
  --primary-dark: #0d1411;
  --primary-light: #377057;
  --accent: #d4af37;
  --accent-light: rgba(212, 175, 55, 0.15);
  --accent-dark: #b39127;
  --text-main: #e2ede6;
  --text-muted: #96a99e;
  --text-bright: #ffffff;
  --bg-page: #0d1411;
  --bg-surface: #131c17;
  --bg-card: #17221c;
  --bg-subtle: #0f1713;
  --border-color: #27392f;
  --border-light: #1c2b23;
  --border-accent: rgba(212, 175, 55, 0.4);
  --font-serif: Georgia, "Times New Roman", "Baskerville", serif;
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier, monospace;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 6px 16px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.7);
  --max-width: 1200px;
  --transition: all 0.25s ease-in-out;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-page);
  color: var(--text-main);
  line-height: 1.65;
  font-weight: 400;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a {
  color: #7eb693;
  text-decoration: none;
  transition: var(--transition);
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--text-bright);
  line-height: 1.25;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

h1 { font-size: 2.35rem; }
h2 { font-size: 1.95rem; }
h3 { font-size: 1.45rem; }
h4 { font-size: 1.15rem; }

p {
  margin-bottom: 1.25rem;
}

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

/* Utilities */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.section {
  padding-top: 4.5rem;
  padding-bottom: 4.5rem;
}

.section-alt {
  background-color: var(--bg-subtle);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 3rem auto;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  background-color: var(--accent-light);
  padding: 0.25rem 0.85rem;
  border-radius: 50px;
  margin-bottom: 0.75rem;
  border: 1px solid var(--border-accent);
}

.section-lead {
  font-size: 1.125rem;
  color: var(--text-muted);
}

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

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

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

.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

.btn-primary {
  background-color: var(--primary);
  color: #ffffff !important;
  border-color: #377057;
}

.btn-primary:hover {
  background-color: var(--primary-light);
  box-shadow: 0 0 12px rgba(55, 112, 87, 0.4);
}

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

.btn-outline:hover {
  background-color: var(--bg-card);
  border-color: var(--accent);
  color: var(--accent) !important;
}

.btn-gold {
  background-color: var(--accent);
  color: #0d1411 !important;
  border-color: var(--accent-dark);
  font-weight: 700;
}

.btn-gold:hover {
  background-color: #e5be4a;
  box-shadow: 0 0 12px rgba(212, 175, 55, 0.35);
}

.btn-sm {
  padding: 0.4rem 0.85rem;
  font-size: 0.85rem;
}

.btn-block {
  width: 100%;
}

/* Header & Nav */
.topbar {
  background-color: #070b09;
  color: #8fa296;
  font-size: 0.8125rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--border-color);
}

.topbar-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.topbar-info {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.topbar-item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.topbar a {
  color: #8fa296;
}

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

.site-header {
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.95rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  text-decoration: none;
}

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

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

.brand-name {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-bright);
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.brand-tagline {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
}

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

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-main);
  padding: 0.4rem 0.2rem;
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: var(--accent);
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--accent);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.6rem;
  cursor: pointer;
  color: var(--text-main);
}

/* Hero */
.hero {
  background: linear-gradient(135deg, #0e1612 0%, #16241d 100%);
  border-bottom: 1px solid var(--border-color);
  padding: 4.5rem 0;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: center;
}

.hero-content h1 {
  font-size: 2.75rem;
  margin-bottom: 1.25rem;
  color: var(--text-bright);
}

.hero-content .lead {
  font-size: 1.1875rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
}

.hero-figure {
  background: var(--bg-card);
  padding: 1.25rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  text-align: center;
}

.hero-figure img {
  border-radius: var(--radius-sm);
  background-color: var(--bg-surface);
  width: 100%;
}

.hero-figure-caption {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 0.75rem;
  font-style: italic;
}

/* Page Banners */
.page-banner {
  background: linear-gradient(135deg, #0e1713 0%, #182820 100%);
  color: #ffffff;
  padding: 3.5rem 0;
  border-bottom: 3px solid var(--accent);
}

.page-banner h1 {
  color: var(--text-bright);
  font-size: 2.4rem;
  margin-bottom: 0.5rem;
}

.page-banner p {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 750px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

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

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

/* Pillars */
.pillar-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

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

.pillar-icon {
  width: 52px;
  height: 52px;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--accent);
}

.pillar-card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
  color: var(--text-bright);
}

.pillar-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  flex-grow: 1;
}

/* Monograph Specimen Cards */
.specimen-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

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

.specimen-tag {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.specimen-binomial {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-style: italic;
  color: var(--text-bright);
  margin-bottom: 0.75rem;
}

.specimen-desc {
  color: var(--text-muted);
  font-size: 0.925rem;
  margin-bottom: 1.5rem;
  flex-grow: 1;
  line-height: 1.6;
}

.specimen-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1rem;
  border-top: 1px solid var(--border-light);
}

/* Quote Section */
.quote-banner {
  background: linear-gradient(135deg, #090e0c 0%, #121c16 100%);
  color: #ffffff;
  padding: 4rem 0;
  text-align: center;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.quote-text {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  line-height: 1.6;
  max-width: 860px;
  margin: 0 auto 1.5rem auto;
  font-style: italic;
  color: #dbeae0;
}

.quote-author {
  font-size: 0.95rem;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.05em;
}

/* FAQ */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

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

.faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  text-align: left;
  background: none;
  border: none;
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-bright);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}

.faq-question:hover {
  background-color: var(--bg-subtle);
}

.faq-icon {
  font-size: 1.25rem;
  color: var(--accent);
  transition: transform 0.25s ease;
  font-weight: bold;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  display: none;
  padding: 0 1.5rem 1.25rem 1.5rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  border-top: 1px solid var(--border-light);
}

.faq-item.active .faq-answer {
  display: block;
  padding-top: 1rem;
}

/* Article Cards */
.article-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

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

.article-body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.article-meta span.category {
  color: var(--accent);
  font-weight: 600;
}

.article-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.article-title a {
  color: var(--text-bright);
}

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

.article-excerpt {
  color: var(--text-muted);
  font-size: 0.925rem;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.article-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--border-light);
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Forms */
.form-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2.25rem;
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-bright);
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--text-bright);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.2);
}

select.form-control option {
  background-color: var(--bg-surface);
  color: var(--text-bright);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

.form-help {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
}

.form-feedback {
  display: none;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.5rem;
  font-size: 0.9375rem;
}

.form-feedback.success {
  display: block;
  background-color: rgba(46, 125, 50, 0.2);
  color: #a5d6a7;
  border: 1px solid #2e7d32;
}

.form-feedback.error {
  display: block;
  background-color: rgba(198, 40, 40, 0.2);
  color: #ef9a9a;
  border: 1px solid #c62828;
}

/* Compliance Layout */
.compliance-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 3rem;
  align-items: start;
}

.compliance-sidebar {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  position: sticky;
  top: 90px;
}

.compliance-sidebar h4 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-light);
}

.compliance-nav {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.compliance-nav a {
  display: block;
  font-size: 0.9rem;
  color: var(--text-main);
  padding: 0.45rem 0.65rem;
  border-radius: var(--radius-sm);
}

.compliance-nav a:hover, .compliance-nav a.active {
  background-color: var(--bg-subtle);
  color: var(--accent);
  font-weight: 600;
  border-left: 2px solid var(--accent);
}

.compliance-content {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 3rem;
}

.compliance-content h2 {
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-bright);
}

.compliance-content h3 {
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--text-bright);
}

.compliance-content ul, .compliance-content ol {
  margin-left: 1.5rem;
  margin-bottom: 1.25rem;
}

.compliance-content li {
  margin-bottom: 0.4rem;
  color: var(--text-muted);
}

.table-compliance {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.9rem;
}

.table-compliance th, .table-compliance td {
  border: 1px solid var(--border-color);
  padding: 0.75rem 1rem;
  text-align: left;
}

.table-compliance th {
  background-color: var(--bg-subtle);
  font-family: var(--font-serif);
  color: var(--accent);
}

.table-compliance td {
  color: var(--text-main);
}

/* Trust Bar */
.trust-bar {
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 2.25rem 0;
}

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

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.trust-icon {
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  color: var(--accent);
}

.trust-title {
  font-weight: 700;
  font-size: 0.925rem;
  color: var(--text-bright);
  line-height: 1.2;
}

.trust-desc {
  font-size: 0.785rem;
  color: var(--text-muted);
}

/* Footer */
.site-footer {
  background-color: #070b09;
  color: var(--text-muted);
  margin-top: auto;
  border-top: 4px solid var(--accent);
}

.footer-top {
  padding: 4rem 0 3rem 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 2.5rem;
}

.footer-col h4 {
  color: var(--text-bright);
  font-size: 1.15rem;
  margin-bottom: 1.25rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-col h4::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background-color: var(--accent);
}

.footer-col p {
  font-size: 0.875rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

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

.footer-links a {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.footer-links a:hover {
  color: var(--accent);
  padding-left: 4px;
}

.footer-legal-box {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1rem;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--text-muted);
}

.footer-legal-box strong {
  color: var(--text-bright);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding: 1.5rem 0;
  font-size: 0.8125rem;
  color: #6d8075;
}

.footer-bottom-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-compliance-row {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
  list-style: none;
}

.footer-compliance-row a {
  color: #6d8075;
}

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

/* Responsive */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .compliance-layout {
    grid-template-columns: 1fr;
  }
  .compliance-sidebar {
    position: static;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--bg-surface);
    flex-direction: column;
    align-items: flex-start;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    gap: 1rem;
  }
  .nav-menu.is-active {
    display: flex;
  }
  .nav-toggle {
    display: block;
  }
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
  .trust-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .hero-content h1 {
    font-size: 2.1rem;
  }
  .section {
    padding-top: 3rem;
    padding-bottom: 3rem;
  }
  .compliance-content {
    padding: 1.5rem;
  }
}