:root {
  --clr-bg: #13110f;
  --clr-surface: #1d1914;
  --clr-surface-soft: #272119;
  --clr-card: #211c16;
  --clr-light: #f4efe3;
  --clr-light-soft: #ebe2d1;
  --clr-text: #f2ecde;
  --clr-text-dark: #1f1a15;
  --clr-muted: #c5b89f;
  --clr-gold: #bc8f4a;
  --clr-rust: #8f4e2c;
  --clr-olive: #6b744b;
  --clr-danger: #efb199;
  --clr-success: #9fd6ab;
  --font-heading: "Palatino Linotype", "Book Antiqua", Palatino, Georgia, "Times New Roman", serif;
  --font-body: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  --max-width: 1140px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-round: 999px;
  --shadow-soft: 0 12px 30px rgba(0, 0, 0, 0.28);
  --shadow-hover: 0 18px 42px rgba(0, 0, 0, 0.35);
  --transition: all 0.28s ease;
  --space-1: 0.5rem;
  --space-2: 0.75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --space-7: 4rem;
}

:root[data-theme="light"] {
  --clr-bg: #f5f0e5;
  --clr-surface: #fbf7ef;
  --clr-surface-soft: #f1e7d6;
  --clr-card: #fffaf1;
  --clr-light: #ffffff;
  --clr-light-soft: #f2e8d7;
  --clr-text: #2b2116;
  --clr-text-dark: #2b2116;
  --clr-muted: #6a5c4d;
  --clr-gold: #9f6e2f;
  --clr-rust: #8f4e2c;
  --clr-olive: #526138;
  --clr-danger: #9b3f26;
  --clr-success: #2f6a3d;
  --shadow-soft: 0 12px 26px rgba(63, 45, 24, 0.13);
  --shadow-hover: 0 16px 34px rgba(63, 45, 24, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--clr-text);
  background: linear-gradient(180deg, #17130f 0%, #110f0d 40%, #18140f 100%);
  line-height: 1.6;
  overflow-x: hidden;
}

[data-theme="light"] body {
  background: linear-gradient(180deg, #fbf7ef 0%, #f4ecde 45%, #efe2cf 100%);
}

img {
  max-width: 100%;
  display: block;
}

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

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

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

.container {
  width: min(var(--max-width), calc(100% - 2rem));
  margin-inline: auto;
}

.section {
  padding: var(--space-7) 0;
}

.section-light {
  background: var(--clr-light);
  color: var(--clr-text-dark);
}

.section-alt {
  background: linear-gradient(160deg, #1b1712 0%, #241d16 100%);
}

[data-theme="light"] .section-alt {
  background: linear-gradient(160deg, #f4ead9 0%, #ecdcc5 100%);
}

.section-heading {
  margin-bottom: var(--space-5);
  max-width: 680px;
}

.section-heading h2 {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 2.8vw, 2.6rem);
  line-height: 1.2;
}

.section-heading p {
  margin: 0;
  color: currentColor;
  opacity: 0.82;
}

.eyebrow {
  display: inline-block;
  margin-bottom: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.74rem;
  color: var(--clr-gold);
  font-weight: 600;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-round);
  border: 1px solid transparent;
  cursor: pointer;
  font-weight: 600;
  transition: var(--transition);
}

.btn-primary {
  background: linear-gradient(135deg, #bd9150 0%, #996d34 100%);
  color: #1d150f;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(188, 143, 74, 0.36);
}

.btn-secondary {
  border-color: rgba(242, 236, 222, 0.34);
  color: var(--clr-text);
  background: transparent;
}

.btn-secondary:hover {
  background: rgba(244, 239, 227, 0.08);
  transform: translateY(-2px);
}

.btn-dark {
  background: var(--clr-text-dark);
  color: var(--clr-light);
}

.btn-dark:hover {
  opacity: 0.92;
}

.btn-danger {
  border-color: rgba(239, 177, 153, 0.65);
  color: #ffd8c9;
  background: rgba(143, 78, 44, 0.22);
}

.btn-danger:hover {
  background: rgba(143, 78, 44, 0.34);
  transform: translateY(-2px);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 220;
  isolation: isolate;
  backdrop-filter: blur(10px) saturate(120%);
  background: linear-gradient(
    90deg,
    rgba(64, 46, 28, 0.74) 0%,
    rgba(14, 11, 9, 0.94) 28%,
    rgba(14, 11, 9, 0.94) 72%,
    rgba(64, 46, 28, 0.74) 100%
  );
  border-bottom: 1px solid rgba(196, 156, 94, 0.34);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.3);
}

.site-header::before,
.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  pointer-events: none;
}

.site-header::before {
  top: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, rgba(220, 186, 126, 0.9) 50%, transparent 100%);
}

.site-header::after {
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(196, 156, 94, 0) 0%, rgba(196, 156, 94, 0.95) 50%, rgba(196, 156, 94, 0) 100%);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 84px;
  position: relative;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.3rem 0.72rem 0.3rem 0.32rem;
  border-radius: var(--radius-round);
  border: 1px solid rgba(196, 156, 94, 0.35);
  background: linear-gradient(135deg, rgba(196, 156, 94, 0.2) 0%, rgba(20, 16, 12, 0.32) 64%);
  box-shadow: inset 0 0 0 1px rgba(244, 239, 227, 0.07);
  transition: var(--transition);
}

.logo:hover {
  transform: translateY(-1px);
  border-color: rgba(220, 186, 126, 0.65);
}

.logo-mark {
  width: 2.55rem;
  height: 2.55rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  overflow: hidden;
  border: 1px solid rgba(244, 239, 227, 0.56);
  background: #f1e3cb;
}

.logo-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.logo-text {
  display: grid;
  line-height: 1.2;
}

.logo-text strong {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-shadow: 0 0 16px rgba(196, 156, 94, 0.2);
}

.logo-text small {
  font-size: 0.72rem;
  color: #cdbb96;
  letter-spacing: 0.035em;
}

nav {
  margin-left: auto;
  position: relative;
}

.nav-links {
  list-style: none;
  margin: 0;
  padding: 0.28rem;
  display: flex;
  align-items: center;
  gap: 0.2rem;
  border-radius: var(--radius-round);
  border: 1px solid rgba(196, 156, 94, 0.35);
  background: linear-gradient(150deg, rgba(18, 14, 11, 0.82) 0%, rgba(34, 27, 20, 0.58) 100%);
  box-shadow: inset 0 0 0 1px rgba(244, 239, 227, 0.06);
}

.nav-links li {
  position: relative;
}

.nav-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: calc(var(--radius-round) - 6px);
  padding: 0.5rem 0.95rem;
  color: #dbc8a1;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  position: relative;
  isolation: isolate;
  transition: var(--transition);
}

.nav-links a:hover {
  color: #f8f0e0;
  background: rgba(244, 239, 227, 0.08);
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0.78rem;
  right: 0.78rem;
  bottom: 0.32rem;
  height: 2px;
  border-radius: var(--radius-round);
  background: linear-gradient(90deg, rgba(196, 156, 94, 0.1) 0%, rgba(220, 186, 126, 1) 50%, rgba(196, 156, 94, 0.1) 100%);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.25s ease;
}

.nav-links a:hover::after {
  transform: scaleX(1);
}

.nav-links a.active {
  color: var(--clr-text-dark);
  background: linear-gradient(135deg, #d3b27a 0%, #a97c3f 100%);
  box-shadow: 0 9px 18px rgba(184, 137, 70, 0.35);
}

.nav-links a.active::after {
  transform: scaleX(1);
  background: linear-gradient(90deg, rgba(45, 34, 21, 0.1) 0%, rgba(45, 34, 21, 0.8) 50%, rgba(45, 34, 21, 0.1) 100%);
}

.menu-toggle {
  border: 1px solid rgba(196, 156, 94, 0.45);
  background: linear-gradient(135deg, rgba(196, 156, 94, 0.25) 0%, rgba(18, 14, 11, 0.2) 100%);
  color: var(--clr-text);
  width: 2.65rem;
  height: 2.65rem;
  display: none;
  border-radius: 12px;
  padding: 0;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.25rem;
}

.menu-toggle span {
  width: 1.2rem;
  height: 2px;
  border-radius: 4px;
  background: #f2e7d4;
  transition: var(--transition);
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.theme-toggle {
  margin-left: 0.7rem;
  border: 1px solid rgba(196, 156, 94, 0.5);
  background: linear-gradient(135deg, rgba(196, 156, 94, 0.24) 0%, rgba(18, 14, 11, 0.32) 100%);
  color: #f4ebdb;
  border-radius: 12px;
  min-width: 6.4rem;
  height: 2.65rem;
  padding: 0 0.9rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: var(--transition);
}

.theme-toggle:hover {
  transform: translateY(-2px);
  background: linear-gradient(135deg, rgba(196, 156, 94, 0.33) 0%, rgba(18, 14, 11, 0.42) 100%);
}

.page-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(4.8rem, 8vw, 6.8rem) 0 clamp(4rem, 6vw, 5.2rem);
}

.page-hero::before,
.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
}

.page-hero::after {
  z-index: -1;
  background: linear-gradient(180deg, rgba(14, 12, 10, 0.38) 0%, rgba(14, 12, 10, 0.78) 100%);
}

.home-hero::before {
  background:
    radial-gradient(circle at 18% 15%, rgba(188, 143, 74, 0.35), transparent 44%),
    radial-gradient(circle at 84% 12%, rgba(108, 120, 73, 0.32), transparent 45%),
    linear-gradient(130deg, rgba(22, 17, 12, 0.78) 0%, rgba(12, 10, 8, 0.85) 58%, rgba(35, 27, 18, 0.8) 100%),
    url("../assets/banners/Banner.png");
  background-size: auto, auto, auto, cover;
  background-position: center, center, center, center;
  background-repeat: no-repeat;
}

.about-hero::before {
  background:
    radial-gradient(circle at 80% 18%, rgba(143, 78, 44, 0.36), transparent 46%),
    linear-gradient(120deg, #231b14 0%, #11100d 54%, #2b231a 100%);
}

.timeline-hero::before {
  background:
    radial-gradient(circle at 15% 25%, rgba(107, 116, 75, 0.35), transparent 45%),
    linear-gradient(120deg, #1d1813 0%, #100f0c 52%, #2a2118 100%);
}

.species-hero::before {
  background:
    radial-gradient(circle at 16% 10%, rgba(188, 143, 74, 0.28), transparent 42%),
    radial-gradient(circle at 85% 80%, rgba(107, 116, 75, 0.28), transparent 42%),
    linear-gradient(130deg, #211910 0%, #0f0d0b 62%, #281f15 100%);
}

.lessons-hero::before {
  background:
    radial-gradient(circle at 80% 12%, rgba(188, 143, 74, 0.26), transparent 45%),
    linear-gradient(120deg, #1f1812 0%, #110f0d 52%, #2b2318 100%);
}

.contact-hero::before {
  background:
    radial-gradient(circle at 15% 20%, rgba(143, 78, 44, 0.34), transparent 45%),
    linear-gradient(125deg, #1b1511 0%, #0f0d0b 56%, #2a2117 100%);
}

.admin-hero::before {
  background:
    radial-gradient(circle at 84% 16%, rgba(188, 143, 74, 0.3), transparent 45%),
    radial-gradient(circle at 12% 78%, rgba(107, 116, 75, 0.28), transparent 44%),
    linear-gradient(130deg, #1f1912 0%, #0f0d0a 58%, #281f16 100%);
}

.hero-content {
  max-width: 760px;
}

.hero-content h1 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5.4vw, 3.8rem);
  line-height: 1.1;
  text-wrap: balance;
}

.hero-content p {
  margin-top: var(--space-3);
  color: var(--clr-muted);
  max-width: 62ch;
}

.hero-actions {
  margin-top: var(--space-4);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

[data-theme="light"] .page-hero::after {
  background: linear-gradient(180deg, rgba(255, 253, 248, 0.55) 0%, rgba(245, 235, 219, 0.76) 100%);
}

[data-theme="light"] .home-hero::before {
  background:
    radial-gradient(circle at 16% 15%, rgba(188, 143, 74, 0.22), transparent 44%),
    radial-gradient(circle at 82% 12%, rgba(107, 116, 75, 0.2), transparent 44%),
    linear-gradient(130deg, rgba(253, 248, 239, 0.72) 0%, rgba(246, 236, 219, 0.82) 58%, rgba(239, 224, 202, 0.8) 100%),
    url("../assets/banners/Banner.png");
  background-size: auto, auto, auto, cover;
  background-position: center, center, center, center;
  background-repeat: no-repeat;
}

[data-theme="light"] .about-hero::before,
[data-theme="light"] .timeline-hero::before,
[data-theme="light"] .species-hero::before,
[data-theme="light"] .lessons-hero::before,
[data-theme="light"] .contact-hero::before,
[data-theme="light"] .admin-hero::before {
  background:
    radial-gradient(circle at 82% 16%, rgba(188, 143, 74, 0.18), transparent 45%),
    radial-gradient(circle at 14% 78%, rgba(107, 116, 75, 0.16), transparent 44%),
    linear-gradient(130deg, #fffaf1 0%, #f3e7d5 58%, #ead8bf 100%);
}

[data-theme="light"] .site-header {
  background: linear-gradient(
    90deg,
    rgba(246, 236, 219, 0.9) 0%,
    rgba(255, 250, 241, 0.98) 28%,
    rgba(255, 250, 241, 0.98) 72%,
    rgba(246, 236, 219, 0.9) 100%
  );
  border-bottom-color: rgba(159, 110, 47, 0.34);
  box-shadow: 0 8px 20px rgba(87, 58, 27, 0.14);
}

[data-theme="light"] .site-header::before {
  background: linear-gradient(90deg, transparent 0%, rgba(159, 110, 47, 0.58) 50%, transparent 100%);
}

[data-theme="light"] .site-header::after {
  background: linear-gradient(90deg, rgba(159, 110, 47, 0) 0%, rgba(159, 110, 47, 0.58) 50%, rgba(159, 110, 47, 0) 100%);
}

[data-theme="light"] .logo {
  border-color: rgba(159, 110, 47, 0.36);
  background: linear-gradient(135deg, rgba(188, 143, 74, 0.18) 0%, rgba(255, 249, 238, 0.9) 64%);
}

[data-theme="light"] .logo-mark {
  border-color: rgba(107, 82, 48, 0.34);
}

[data-theme="light"] .logo-text small {
  color: #705e44;
}

[data-theme="light"] .nav-links {
  border-color: rgba(159, 110, 47, 0.35);
  background: linear-gradient(150deg, rgba(255, 251, 244, 0.95) 0%, rgba(245, 234, 215, 0.92) 100%);
}

[data-theme="light"] .nav-links a {
  color: #6d5538;
}

[data-theme="light"] .nav-links a:hover {
  color: #2f2417;
  background: rgba(159, 110, 47, 0.12);
}

[data-theme="light"] .nav-links a.active {
  color: #ffffff;
  background: linear-gradient(135deg, #b3813c 0%, #8f632d 100%);
}

[data-theme="light"] .nav-links a.active::after {
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0.72) 50%, rgba(255, 255, 255, 0.12) 100%);
}

[data-theme="light"] .menu-toggle {
  border-color: rgba(159, 110, 47, 0.45);
  background: linear-gradient(135deg, rgba(188, 143, 74, 0.2) 0%, rgba(255, 248, 236, 0.86) 100%);
}

[data-theme="light"] .menu-toggle span {
  background: #5d472f;
}

[data-theme="light"] .theme-toggle {
  border-color: rgba(159, 110, 47, 0.46);
  background: linear-gradient(135deg, rgba(188, 143, 74, 0.2) 0%, rgba(255, 248, 236, 0.9) 100%);
  color: #503a23;
}

[data-theme="light"] .theme-toggle:hover {
  background: linear-gradient(135deg, rgba(188, 143, 74, 0.28) 0%, rgba(255, 248, 236, 0.98) 100%);
}

[data-theme="light"] .lead-panel,
[data-theme="light"] .feature-card,
[data-theme="light"] .info-card,
[data-theme="light"] .lesson-card,
[data-theme="light"] .contact-card,
[data-theme="light"] .glossary-card,
[data-theme="light"] .timeline-card,
[data-theme="light"] .control-panel,
[data-theme="light"] .species-card,
[data-theme="light"] .quiz-card,
[data-theme="light"] .form-panel,
[data-theme="light"] .admin-panel,
[data-theme="light"] .modern-impact,
[data-theme="light"] .side-note {
  background: linear-gradient(155deg, #fffaf2 0%, #f4ead9 100%);
  border-color: rgba(91, 64, 34, 0.17);
  color: var(--clr-text);
}

[data-theme="light"] .timeline-card .time-label {
  background: rgba(159, 110, 47, 0.15);
  color: #6f4f2d;
}

[data-theme="light"] .timeline-filter-btn {
  border-color: rgba(91, 64, 34, 0.24);
  background: rgba(159, 110, 47, 0.08);
  color: var(--clr-text);
}

[data-theme="light"] .timeline-filter-btn:hover,
[data-theme="light"] .timeline-filter-btn.active {
  background: rgba(159, 110, 47, 0.2);
  border-color: rgba(159, 110, 47, 0.46);
}

[data-theme="light"] .facts-strip {
  border-top-color: rgba(91, 64, 34, 0.14);
  border-bottom-color: rgba(91, 64, 34, 0.14);
  background: linear-gradient(110deg, #f7efe1 0%, #f0e2cc 45%, #ead8bd 100%);
}

[data-theme="light"] .badge {
  background: rgba(188, 143, 74, 0.18);
  color: #6c4f2b;
}

[data-theme="light"] .meta-pill {
  background: rgba(107, 116, 75, 0.2);
  color: #3f4c2d;
}

[data-theme="light"] .compare-table {
  background: #fffdf8;
}

[data-theme="light"] .compare-table th,
[data-theme="light"] .compare-table td {
  border-color: rgba(91, 64, 34, 0.2);
}

[data-theme="light"] .compare-table th {
  color: #523a22;
  background: rgba(159, 110, 47, 0.2);
}

[data-theme="light"] .accordion-item {
  border-color: rgba(91, 64, 34, 0.2);
  background: #fff7e9;
}

[data-theme="light"] .summary-panel {
  background: #fff8ea;
}

[data-theme="light"] .empty-state,
[data-theme="light"] .admin-empty {
  border-color: rgba(91, 64, 34, 0.28);
  color: #715d43;
}

[data-theme="light"] .control-grid input,
[data-theme="light"] .control-grid select,
[data-theme="light"] .form-grid input,
[data-theme="light"] .form-grid textarea,
[data-theme="light"] .admin-form-grid input,
[data-theme="light"] .admin-form-grid textarea,
[data-theme="light"] .admin-login-form input {
  border-color: rgba(91, 64, 34, 0.24);
  background: rgba(255, 255, 255, 0.88);
  color: #2b2116;
}

[data-theme="light"] .control-grid input::placeholder {
  color: rgba(73, 58, 40, 0.55);
}

[data-theme="light"] .admin-table th,
[data-theme="light"] .admin-table td {
  border-color: rgba(91, 64, 34, 0.22);
}

[data-theme="light"] .admin-table td {
  color: #463425;
}

[data-theme="light"] .site-footer {
  border-top-color: rgba(91, 64, 34, 0.16);
  background: linear-gradient(160deg, #f5ecdc 0%, #ecddc5 100%);
}

[data-theme="light"] .footer-bottom {
  border-top-color: rgba(91, 64, 34, 0.16);
}

[data-theme="light"] .footer-links a {
  color: #6f5d46;
}

[data-theme="light"] .footer-links a:hover {
  color: #2f2317;
}

.lead-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-5);
  align-items: stretch;
}

.lead-panel {
  background: linear-gradient(145deg, #231d17 0%, #1a1511 100%);
  border: 1px solid rgba(242, 236, 222, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-soft);
}

.lead-panel h2,
.lead-panel h3 {
  margin-top: 0;
  font-family: var(--font-heading);
  line-height: 1.2;
}

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

.info-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.8rem;
}

.info-list li {
  padding: 0.7rem 0.9rem;
  border-left: 3px solid var(--clr-gold);
  background: rgba(244, 239, 227, 0.04);
  border-radius: var(--radius-sm);
}

.card-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.feature-card,
.info-card,
.lesson-card,
.contact-card,
.glossary-card {
  border-radius: var(--radius-md);
  border: 1px solid rgba(242, 236, 222, 0.11);
  background: linear-gradient(160deg, #231d16 0%, #1a1511 100%);
  padding: var(--space-4);
  transition: var(--transition);
  box-shadow: var(--shadow-soft);
}

.feature-card:hover,
.info-card:hover,
.lesson-card:hover,
.contact-card:hover,
.glossary-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.feature-card h3,
.info-card h3,
.lesson-card h3,
.contact-card h3,
.glossary-card h3 {
  margin: 1rem 0 0.45rem;
  font-family: var(--font-heading);
  line-height: 1.2;
}

.feature-card p,
.info-card p,
.lesson-card p,
.contact-card p,
.glossary-card p {
  margin: 0;
  color: var(--clr-muted);
}

.media-placeholder {
  position: relative;
  min-height: 165px;
  border-radius: calc(var(--radius-md) - 4px);
  border: 1px solid rgba(242, 236, 222, 0.15);
  overflow: hidden;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 1rem;
  background:
    radial-gradient(circle at 20% 20%, rgba(188, 143, 74, 0.4), transparent 40%),
    radial-gradient(circle at 80% 80%, rgba(107, 116, 75, 0.35), transparent 45%),
    linear-gradient(140deg, #31261c 0%, #1a1511 100%);
}

.media-placeholder span {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  letter-spacing: 0.04em;
}

.media-small {
  min-height: 132px;
}

.feature-media {
  position: relative;
  aspect-ratio: 16 / 10;
  border-radius: calc(var(--radius-md) - 4px);
  overflow: hidden;
  border: 1px solid rgba(242, 236, 222, 0.15);
}

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

.content-media {
  position: relative;
  min-height: 230px;
  border-radius: calc(var(--radius-md) - 2px);
  overflow: hidden;
  border: 1px solid rgba(242, 236, 222, 0.15);
  box-shadow: var(--shadow-soft);
  background: #1a1511;
}

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

.content-media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(12, 10, 8, 0.08) 0%, rgba(12, 10, 8, 0.3) 100%);
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.95rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border-radius: var(--radius-round);
  font-size: 0.76rem;
  padding: 0.25rem 0.6rem;
  background: rgba(188, 143, 74, 0.14);
  color: #dec089;
}

.facts-strip {
  padding: 1.75rem 0;
  border-top: 1px solid rgba(242, 236, 222, 0.1);
  border-bottom: 1px solid rgba(242, 236, 222, 0.1);
  background: linear-gradient(110deg, #18130e 0%, #272018 45%, #1b1611 100%);
}

.facts-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.fact-item {
  text-align: center;
  padding: 0.85rem;
}

.fact-item strong {
  display: block;
  font-size: clamp(1.5rem, 3.4vw, 2.15rem);
  color: var(--clr-gold);
  font-family: var(--font-heading);
  margin-bottom: 0.25rem;
}

.fact-item span {
  color: var(--clr-muted);
  font-size: 0.95rem;
}

.split-layout {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--space-5);
  align-items: center;
}

.split-layout.reverse .split-text {
  order: 2;
}

.split-layout.reverse .split-media {
  order: 1;
}

.split-text h2,
.split-text h3 {
  margin-top: 0;
  font-family: var(--font-heading);
}

.split-media .media-placeholder,
.split-media .content-media {
  min-height: 230px;
}

.callout {
  border-left: 4px solid var(--clr-gold);
  background: rgba(188, 143, 74, 0.1);
  border-radius: var(--radius-sm);
  padding: 1rem 1.1rem;
  margin-top: 1rem;
}

.callout strong {
  display: block;
  margin-bottom: 0.35rem;
}

.key-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-3);
}

.key-grid .glossary-card {
  padding: 1rem;
}

.accordion {
  display: grid;
  gap: 0.75rem;
}

.accordion-item {
  border-radius: var(--radius-sm);
  border: 1px solid rgba(31, 26, 21, 0.15);
  background: #efe6d7;
  color: var(--clr-text-dark);
  overflow: hidden;
}

.accordion-toggle {
  width: 100%;
  text-align: left;
  border: 0;
  background: transparent;
  padding: 0.9rem 1rem;
  cursor: pointer;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.accordion-toggle::after {
  content: "+";
  font-size: 1.2rem;
}

.accordion-item.open .accordion-toggle::after {
  content: "-";
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.accordion-content p {
  margin: 0;
  padding: 0 1rem 1rem;
}

.timeline-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-bottom: 1.2rem;
}

.timeline-filter-btn {
  border: 1px solid rgba(242, 236, 222, 0.2);
  background: rgba(244, 239, 227, 0.05);
  color: var(--clr-text);
  border-radius: var(--radius-round);
  padding: 0.45rem 0.85rem;
  cursor: pointer;
  transition: var(--transition);
}

.timeline-filter-btn:hover,
.timeline-filter-btn.active {
  background: rgba(188, 143, 74, 0.26);
  border-color: rgba(188, 143, 74, 0.75);
}

.timeline-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(220px, 1fr);
  gap: 1rem;
  overflow-x: auto;
  padding-bottom: 0.7rem;
}

.timeline-track::-webkit-scrollbar {
  height: 8px;
}

.timeline-track::-webkit-scrollbar-thumb {
  background: rgba(188, 143, 74, 0.55);
  border-radius: var(--radius-round);
}

.timeline-card {
  border-radius: var(--radius-md);
  border: 1px solid rgba(242, 236, 222, 0.14);
  background: linear-gradient(160deg, #241e16 0%, #1b1511 100%);
  padding: var(--space-4);
  min-height: 280px;
  position: relative;
  transition: var(--transition);
}

.timeline-card::before {
  content: "";
  position: absolute;
  left: 1rem;
  top: 1rem;
  bottom: 1rem;
  width: 3px;
  border-radius: 10px;
  background: linear-gradient(180deg, #c4a267 0%, #6b744b 100%);
  opacity: 0.72;
}

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

.timeline-card h3 {
  margin: 0.2rem 0 0.7rem 1rem;
  font-family: var(--font-heading);
  line-height: 1.2;
}

.timeline-card .time-label {
  display: inline-flex;
  margin-left: 1rem;
  margin-bottom: 0.6rem;
  border-radius: var(--radius-round);
  padding: 0.22rem 0.58rem;
  font-size: 0.73rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: rgba(188, 143, 74, 0.16);
  color: #e2c894;
}

.timeline-card p,
.timeline-card ul {
  margin: 0 0 0 1rem;
  color: var(--clr-muted);
}

.timeline-card ul {
  margin-top: 0.8rem;
  padding-left: 1rem;
}

.timeline-card.is-hidden {
  display: none;
}

.modern-impact {
  margin-top: var(--space-5);
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  background: linear-gradient(155deg, rgba(36, 29, 22, 0.92) 0%, rgba(18, 16, 13, 0.95) 100%);
  border: 1px solid rgba(188, 143, 74, 0.25);
}

.modern-impact h3 {
  margin-top: 0;
  font-family: var(--font-heading);
}

.summary-panel {
  margin-top: var(--space-5);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  background: #efe4d3;
  color: var(--clr-text-dark);
}

.summary-panel h3 {
  margin-top: 0;
  font-family: var(--font-heading);
}

.control-panel {
  border-radius: var(--radius-md);
  border: 1px solid rgba(242, 236, 222, 0.14);
  background: linear-gradient(140deg, #241e17 0%, #191510 100%);
  padding: var(--space-4);
}

.control-grid {
  display: grid;
  gap: 0.9rem;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
}

.control-grid label {
  display: block;
  margin-bottom: 0.32rem;
  font-size: 0.86rem;
  color: var(--clr-muted);
}

.control-grid input,
.control-grid select,
.form-grid input,
.form-grid textarea,
.admin-form-grid input,
.admin-form-grid textarea,
.admin-login-form input {
  width: 100%;
  border: 1px solid rgba(242, 236, 222, 0.22);
  background: rgba(244, 239, 227, 0.06);
  color: var(--clr-text);
  border-radius: var(--radius-sm);
  padding: 0.58rem 0.7rem;
}

.control-grid input::placeholder {
  color: rgba(242, 236, 222, 0.58);
}

.filter-actions {
  margin-top: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.results-note {
  margin: 0;
  color: var(--clr-muted);
  font-size: 0.92rem;
}

.species-grid {
  margin-top: var(--space-5);
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(auto-fit, minmax(245px, 1fr));
}

.species-card {
  border-radius: var(--radius-md);
  border: 1px solid rgba(242, 236, 222, 0.13);
  overflow: hidden;
  background: linear-gradient(150deg, #241d16 0%, #181410 100%);
  display: flex;
  flex-direction: column;
  min-height: 100%;
  box-shadow: var(--shadow-soft);
  transition: var(--transition);
}

.species-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.species-image {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.species-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.species-body {
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  flex: 1;
}

.species-body h3 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 1.2rem;
  line-height: 1.2;
}

.species-body .scientific {
  margin: 0;
  color: var(--clr-muted);
  font-size: 0.88rem;
}

.species-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.meta-pill {
  font-size: 0.74rem;
  padding: 0.2rem 0.52rem;
  border-radius: var(--radius-round);
  background: rgba(107, 116, 75, 0.24);
  color: #d8dfbe;
}

.species-body p {
  margin: 0;
  color: var(--clr-muted);
}

.species-action {
  margin-top: auto;
}

.empty-state {
  margin-top: var(--space-4);
  text-align: center;
  border: 1px dashed rgba(242, 236, 222, 0.25);
  border-radius: var(--radius-md);
  padding: 2rem 1rem;
  color: var(--clr-muted);
}

.hidden {
  display: none !important;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.72);
  z-index: 300;
  display: grid;
  place-items: center;
  padding: 1rem;
}

.modal-panel {
  width: min(760px, 100%);
  border-radius: var(--radius-lg);
  background: #f2e7d5;
  color: var(--clr-text-dark);
  border: 1px solid rgba(31, 26, 21, 0.15);
  overflow: hidden;
  box-shadow: var(--shadow-hover);
  position: relative;
}

.modal-close {
  position: absolute;
  right: 0.7rem;
  top: 0.7rem;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 50%;
  border: 0;
  background: rgba(31, 26, 21, 0.1);
  color: var(--clr-text-dark);
  font-size: 1.3rem;
  cursor: pointer;
}

.modal-content {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 1.2rem;
}

.modal-image {
  min-height: 240px;
}

.modal-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.modal-details {
  padding: 1.2rem 1.3rem 1.5rem 0;
}

.modal-details h3 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 1.5rem;
}

.modal-details .scientific {
  margin: 0.3rem 0 1rem;
  color: #5a4a37;
}

.modal-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.modal-list li strong {
  color: #2b231a;
}

.compare-table-wrap {
  overflow-x: auto;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 580px;
  background: rgba(16, 13, 11, 0.3);
}

.compare-table th,
.compare-table td {
  border: 1px solid rgba(242, 236, 222, 0.12);
  padding: 0.7rem 0.75rem;
  text-align: left;
}

.compare-table th {
  background: rgba(188, 143, 74, 0.2);
  color: #f2debb;
}

.action-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.8rem;
}

.action-list li {
  border-left: 3px solid var(--clr-olive);
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius-sm);
  background: rgba(107, 116, 75, 0.13);
}

.quiz-shell {
  max-width: 760px;
}

.quiz-card {
  border-radius: var(--radius-md);
  background: linear-gradient(160deg, #241d16 0%, #19140f 100%);
  border: 1px solid rgba(242, 236, 222, 0.12);
  padding: var(--space-4);
  box-shadow: var(--shadow-soft);
}

.quiz-progress {
  margin: 0;
  color: var(--clr-muted);
  font-size: 0.9rem;
}

.quiz-question {
  margin: 0.5rem 0 1rem;
  font-family: var(--font-heading);
  font-size: 1.35rem;
  line-height: 1.2;
}

.quiz-options {
  display: grid;
  gap: 0.65rem;
}

.quiz-option {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  padding: 0.65rem 0.75rem;
  border: 1px solid rgba(242, 236, 222, 0.16);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.quiz-option:hover {
  background: rgba(244, 239, 227, 0.06);
}

.quiz-option input {
  margin-top: 0.25rem;
}

.quiz-actions {
  margin-top: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.quiz-feedback {
  margin: 0;
  min-height: 1.2rem;
  color: var(--clr-gold);
  font-size: 0.9rem;
}

.quiz-result {
  margin-top: 1rem;
  border-radius: var(--radius-md);
  background: rgba(159, 214, 171, 0.16);
  border: 1px solid rgba(159, 214, 171, 0.42);
  padding: 1rem 1.1rem;
  color: #d9f0df;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-3);
}

.contact-card p a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.form-shell {
  margin-top: var(--space-5);
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-4);
}

.form-panel {
  border-radius: var(--radius-md);
  border: 1px solid rgba(242, 236, 222, 0.14);
  background: linear-gradient(150deg, #231d16 0%, #18130f 100%);
  padding: var(--space-4);
}

.form-grid {
  display: grid;
  gap: 0.9rem;
}

.form-grid label {
  display: block;
  margin-bottom: 0.3rem;
  color: var(--clr-muted);
}

.form-grid textarea {
  min-height: 140px;
  resize: vertical;
}

.form-error {
  min-height: 1rem;
  margin-top: 0.25rem;
  color: var(--clr-danger);
  font-size: 0.8rem;
}

.success-message {
  margin-top: 1rem;
  border-radius: var(--radius-sm);
  padding: 0.8rem 0.9rem;
  background: rgba(159, 214, 171, 0.15);
  border: 1px solid rgba(159, 214, 171, 0.45);
  color: #d6efdb;
}

.side-note {
  border-radius: var(--radius-md);
  background: #ebdec9;
  color: var(--clr-text-dark);
  padding: var(--space-4);
  border: 1px solid rgba(31, 26, 21, 0.13);
}

.side-note h3 {
  margin-top: 0;
  font-family: var(--font-heading);
}

.admin-toolbar {
  margin-bottom: var(--space-4);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.admin-auth-shell {
  margin-bottom: var(--space-4);
  display: grid;
  place-items: center;
}

.admin-login-panel {
  width: min(460px, 100%);
}

.admin-login-form {
  display: grid;
  gap: 0.9rem;
}

.admin-login-form label {
  display: block;
  margin-bottom: 0.3rem;
  color: var(--clr-muted);
}

.admin-login-note {
  margin: 0.8rem 0 0;
  font-size: 0.9rem;
  color: var(--clr-muted);
}

.admin-login-note strong {
  color: var(--clr-light);
}

.admin-toolbar-actions {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.admin-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-4);
  align-items: start;
}

.admin-panel {
  border-radius: var(--radius-md);
  border: 1px solid rgba(242, 236, 222, 0.14);
  background: linear-gradient(150deg, #231d16 0%, #18130f 100%);
  padding: var(--space-4);
}

.admin-panel h2 {
  margin: 0;
  font-family: var(--font-heading);
  line-height: 1.2;
}

.admin-help {
  margin: 0.55rem 0 1rem;
  color: var(--clr-muted);
}

.admin-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.admin-form-grid label {
  display: block;
  margin-bottom: 0.3rem;
  color: var(--clr-muted);
}

.admin-form-grid textarea {
  min-height: 110px;
  resize: vertical;
}

.admin-field-wide {
  grid-column: 1 / -1;
}

.admin-form-actions {
  margin-top: 1rem;
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
}

.admin-status {
  margin-top: 1rem;
  border-radius: var(--radius-sm);
  padding: 0.7rem 0.9rem;
}

.admin-status.is-success {
  background: rgba(159, 214, 171, 0.15);
  border: 1px solid rgba(159, 214, 171, 0.45);
  color: #d6efdb;
}

.admin-status.is-error {
  background: rgba(239, 177, 153, 0.13);
  border: 1px solid rgba(239, 177, 153, 0.38);
  color: #ffd7c8;
}

.admin-list-wrap {
  overflow-x: auto;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 520px;
}

.admin-table th,
.admin-table td {
  border: 1px solid rgba(242, 236, 222, 0.12);
  padding: 0.62rem 0.68rem;
  text-align: left;
  vertical-align: top;
}

.admin-table th {
  color: #f2debb;
  background: rgba(188, 143, 74, 0.2);
}

.admin-table td {
  color: var(--clr-light-soft);
}

.admin-row-actions {
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.admin-row-btn {
  padding: 0.36rem 0.65rem;
  font-size: 0.82rem;
}

.admin-empty {
  margin-top: 1rem;
  border: 1px dashed rgba(242, 236, 222, 0.25);
  border-radius: var(--radius-sm);
  padding: 0.8rem 0.9rem;
  color: var(--clr-muted);
}

.site-footer {
  margin-top: var(--space-7);
  border-top: 1px solid rgba(242, 236, 222, 0.12);
  background: linear-gradient(160deg, #16120e 0%, #100d0a 100%);
}

.footer-grid {
  padding: var(--space-5) 0;
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1.2fr 0.9fr 1fr;
}

.footer-grid h2,
.footer-grid h3 {
  margin-top: 0;
  margin-bottom: 0.6rem;
  font-family: var(--font-heading);
}

.footer-grid p {
  margin: 0;
  color: var(--clr-muted);
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.35rem;
}

.footer-links a {
  color: var(--clr-muted);
  transition: var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid rgba(242, 236, 222, 0.1);
  padding: 0.9rem 0;
  text-align: center;
  color: var(--clr-muted);
  font-size: 0.87rem;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .lead-grid,
  .split-layout,
  .form-shell,
  .admin-layout,
  .modal-content,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .modal-details {
    padding: 0 1rem 1.2rem;
  }

  .facts-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .menu-toggle {
    display: inline-flex;
  }

  .logo {
    padding-right: 0.5rem;
  }

  nav {
    margin-left: 0;
    position: static;
  }

  .nav-links {
    position: absolute;
    left: 0;
    right: 0;
    top: calc(100% + 0.35rem);
    background: linear-gradient(160deg, rgba(18, 14, 11, 0.98) 0%, rgba(33, 26, 19, 0.98) 100%);
    border: 1px solid rgba(196, 156, 94, 0.42);
    border-radius: 16px;
    box-shadow: 0 16px 30px rgba(0, 0, 0, 0.38);
    padding: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-6px);
    z-index: 260;
    transition: max-height 0.3s ease, padding 0.3s ease, opacity 0.2s ease, transform 0.25s ease;
  }

  [data-theme="light"] .nav-links {
    background: linear-gradient(160deg, rgba(255, 251, 244, 0.98) 0%, rgba(245, 234, 215, 0.98) 100%);
    border-color: rgba(159, 110, 47, 0.35);
    box-shadow: 0 16px 30px rgba(82, 58, 30, 0.16);
  }

  .nav-links.open {
    max-height: 420px;
    padding: 0.7rem;
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-links li {
    width: 100%;
  }

  .nav-links a {
    width: 100%;
    justify-content: flex-start;
    border-radius: 10px;
    padding: 0.68rem 0.9rem;
  }

  .nav-links a::after {
    left: 0.95rem;
    right: 0.95rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .facts-grid {
    grid-template-columns: 1fr;
  }

  .timeline-track {
    grid-auto-flow: row;
    grid-template-columns: 1fr;
    overflow-x: visible;
  }

  .timeline-card {
    min-height: auto;
  }

  .control-grid {
    grid-template-columns: 1fr;
  }

  .admin-form-grid {
    grid-template-columns: 1fr;
  }

  .species-grid {
    grid-template-columns: 1fr;
  }

  .theme-toggle {
    min-width: 5.6rem;
    height: 2.45rem;
    padding: 0 0.72rem;
    margin-left: 0.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}