@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,700;0,900;1,400&family=DM+Mono:wght@300;400;500&family=Libre+Baskerville:ital,wght@0,400;0,700;1,400&display=swap');

:root {
  --black: #0a0a08;
  --deep: #111410;
  --dark: #1a1f15;
  --mid: #2a3322;
  --forest: #2d4a1e;
  --moss: #4a7c35;
  --sage: #7aad5a;
  --lime: #a8d96c;
  --cream: #f0ead6;
  --parchment: #e8dfc4;
  --warm: #d4c49a;
  --amber: #c8a84b;
  --spore: #8fba6a;
  --glow: #b8e082;
  --rust: #8b4513;
  --ochre: #a0720a;

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Libre Baskerville', Georgia, serif;
  --font-mono: 'DM Mono', 'Courier New', monospace;

  --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-slow: 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--black);
  color: var(--cream);
  font-family: var(--font-body);
  line-height: 1.7;
  overflow-x: hidden;
  cursor: none;
}

/* Custom cursor */
.cursor {
  position: fixed;
  width: 12px; height: 12px;
  background: var(--sage);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: transform 0.1s, width 0.3s, height 0.3s, background 0.3s;
  mix-blend-mode: difference;
}
.cursor-ring {
  position: fixed;
  width: 36px; height: 36px;
  border: 1.5px solid var(--sage);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: transform 0.15s, width 0.3s, height 0.3s;
  opacity: 0.5;
}
body:hover .cursor { opacity: 1; }

/* Noise texture overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1000;
  opacity: 0.4;
}

/* ===== NAVIGATION ===== */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 500;
  padding: 1.2rem 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(to bottom, rgba(10,10,8,0.95), transparent);
  backdrop-filter: blur(2px);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--cream);
  text-decoration: none;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.nav-logo span { color: var(--sage); }

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}
.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--warm);
  text-decoration: none;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0; right: 0;
  height: 1px;
  background: var(--sage);
  transform: scaleX(0);
  transition: transform var(--transition);
  transform-origin: left;
}
.nav-links a:hover { color: var(--glow); }
.nav-links a:hover::after { transform: scaleX(1); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--cream);
  transition: var(--transition);
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 8rem 3rem 4rem;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 50%, rgba(45,74,30,0.4) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 20% 80%, rgba(74,124,53,0.15) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 10%, rgba(168,217,108,0.08) 0%, transparent 50%),
    var(--black);
}

.hero-mycelium {
  position: absolute;
  inset: 0;
  opacity: 0.12;
  background-image:
    radial-gradient(circle at 60% 40%, transparent 30px, rgba(122,173,90,0.3) 30px, rgba(122,173,90,0.3) 31px, transparent 31px),
    radial-gradient(circle at 65% 45%, transparent 50px, rgba(122,173,90,0.2) 50px, rgba(122,173,90,0.2) 51px, transparent 51px),
    radial-gradient(circle at 55% 35%, transparent 70px, rgba(122,173,90,0.15) 70px, rgba(122,173,90,0.15) 71px, transparent 71px);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--sage);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeUp 0.8s 0.2s forwards;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.hero-eyebrow::before {
  content: '';
  display: inline-block;
  width: 40px; height: 1px;
  background: var(--sage);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 9vw, 8rem);
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: -0.03em;
  margin-bottom: 2rem;
  opacity: 0;
  animation: fadeUp 0.8s 0.4s forwards;
}
.hero-title em {
  font-style: italic;
  color: var(--sage);
}
.hero-title .line2 {
  display: block;
  color: var(--parchment);
  padding-left: 3rem;
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--warm);
  max-width: 500px;
  margin-bottom: 3rem;
  opacity: 0;
  animation: fadeUp 0.8s 0.6s forwards;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.8s 0.8s forwards;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 2.2rem;
  background: var(--sage);
  color: var(--black);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--glow);
  transform: translateX(-100%);
  transition: transform var(--transition);
}
.btn-primary:hover::before { transform: translateX(0); }
.btn-primary span { position: relative; z-index: 1; }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 2.2rem;
  background: transparent;
  color: var(--cream);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid rgba(240,234,214,0.3);
  cursor: pointer;
  transition: var(--transition);
}
.btn-secondary:hover {
  border-color: var(--sage);
  color: var(--sage);
}

.hero-scroll {
  position: absolute;
  bottom: 3rem;
  left: 3rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--moss);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  writing-mode: vertical-rl;
  display: flex;
  align-items: center;
  gap: 1rem;
  opacity: 0;
  animation: fadeIn 1s 1.2s forwards;
}
.hero-scroll::after {
  content: '';
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--moss), transparent);
}

.hero-stat-strip {
  position: absolute;
  bottom: 0; right: 0;
  width: 40%;
  padding: 2rem 3rem;
  border-top: 1px solid rgba(122,173,90,0.2);
  border-left: 1px solid rgba(122,173,90,0.2);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  opacity: 0;
  animation: fadeIn 1s 1s forwards;
}
.stat-item { text-align: center; }
.stat-num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--sage);
  line-height: 1;
}
.stat-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--warm);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 0.3rem;
}

/* ===== SECTIONS ===== */
section { position: relative; }

.section-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--moss);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.section-label::before {
  content: '';
  width: 30px; height: 1px;
  background: var(--moss);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

/* ===== FEATURES ===== */
.features {
  padding: 8rem 3rem;
  background: var(--deep);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 5rem;
  border: 1px solid rgba(122,173,90,0.12);
}

.feature-card {
  padding: 3rem 2.5rem;
  background: var(--dark);
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}
.feature-card::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(to right, var(--forest), var(--sage));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}
.feature-card:hover { background: var(--mid); }
.feature-card:hover::before { transform: scaleX(1); }

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  display: block;
}
.feature-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--cream);
  margin-bottom: 1rem;
}
.feature-desc {
  font-size: 0.9rem;
  color: var(--warm);
  line-height: 1.8;
}
.feature-num {
  position: absolute;
  top: 2rem; right: 2rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--forest);
  letter-spacing: 0.1em;
}

/* ===== SPECIES ENCYCLOPEDIA ===== */
.encyclopedia {
  padding: 8rem 3rem;
  background: var(--black);
}

.species-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 4rem;
}

.species-card {
  background: var(--dark);
  border: 1px solid rgba(122,173,90,0.1);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}
.species-card:hover {
  border-color: var(--sage);
  transform: translateY(-4px);
}

.species-header {
  padding: 2rem;
  background: linear-gradient(135deg, var(--mid), var(--forest));
  position: relative;
  overflow: hidden;
}
.species-emoji {
  font-size: 3.5rem;
  display: block;
  margin-bottom: 0.5rem;
}
.species-name {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--cream);
}
.species-latin {
  font-family: var(--font-body);
  font-style: italic;
  font-size: 0.8rem;
  color: var(--sage);
  margin-top: 0.2rem;
}

.species-body { padding: 1.5rem 2rem; }

.species-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 0.25rem 0.7rem;
  background: rgba(122,173,90,0.12);
  color: var(--sage);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid rgba(122,173,90,0.2);
}
.tag.difficulty-easy { background: rgba(74,124,53,0.2); color: var(--lime); border-color: rgba(168,217,108,0.3); }
.tag.difficulty-med { background: rgba(200,168,75,0.15); color: var(--amber); border-color: rgba(200,168,75,0.3); }
.tag.difficulty-hard { background: rgba(139,69,19,0.2); color: #d4855a; border-color: rgba(139,69,19,0.3); }

.species-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(122,173,90,0.1);
}
.stat-row { }
.stat-row .label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--moss);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.stat-row .value {
  font-size: 0.85rem;
  color: var(--cream);
  margin-top: 0.1rem;
}

/* ===== TOOLS ===== */
.tools-section {
  padding: 8rem 3rem;
  background: var(--deep);
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
  margin-top: 4rem;
}

.tool-card {
  background: var(--dark);
  border: 1px solid rgba(122,173,90,0.12);
  padding: 2.5rem;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.tool-card::after {
  content: '→';
  position: absolute;
  top: 2rem; right: 2rem;
  font-size: 1.2rem;
  color: var(--sage);
  opacity: 0;
  transform: translateX(-10px);
  transition: var(--transition);
}
.tool-card:hover {
  border-color: var(--sage);
  background: var(--mid);
}
.tool-card:hover::after {
  opacity: 1;
  transform: translateX(0);
}

.tool-icon { font-size: 2rem; margin-bottom: 1.2rem; }
.tool-name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--cream);
  margin-bottom: 0.7rem;
}
.tool-desc { font-size: 0.87rem; color: var(--warm); line-height: 1.7; }
.tool-badge {
  display: inline-block;
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 0.2rem 0.6rem;
  background: rgba(122,173,90,0.1);
  color: var(--sage);
  border: 1px solid rgba(122,173,90,0.2);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.tool-badge.ai { background: rgba(168,217,108,0.12); color: var(--glow); border-color: rgba(168,217,108,0.3); }

/* ===== MODAL / TOOL OVERLAY ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10,10,8,0.92);
  z-index: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
  backdrop-filter: blur(4px);
}
.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--dark);
  border: 1px solid rgba(122,173,90,0.25);
  max-width: 700px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  position: relative;
  transform: translateY(20px);
  transition: transform var(--transition);
}
.modal-overlay.active .modal { transform: translateY(0); }

.modal-header {
  padding: 2rem 2.5rem;
  border-bottom: 1px solid rgba(122,173,90,0.15);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  position: sticky;
  top: 0;
  background: var(--dark);
  z-index: 1;
}
.modal-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--cream);
}
.modal-close {
  background: none;
  border: none;
  color: var(--warm);
  font-size: 1.5rem;
  cursor: pointer;
  transition: color var(--transition);
  padding: 0.2rem;
  line-height: 1;
}
.modal-close:hover { color: var(--cream); }
.modal-body { padding: 2rem 2.5rem; }

/* Form elements inside modals */
.form-group { margin-bottom: 1.5rem; }
.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--sage);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}
.form-input, .form-select, .form-textarea {
  width: 100%;
  background: var(--mid);
  border: 1px solid rgba(122,173,90,0.2);
  color: var(--cream);
  padding: 0.8rem 1rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: border-color var(--transition);
  outline: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--sage);
}
.form-select option { background: var(--dark); }
.form-textarea { resize: vertical; min-height: 100px; }

.result-box {
  background: var(--mid);
  border: 1px solid rgba(122,173,90,0.2);
  border-left: 3px solid var(--sage);
  padding: 1.5rem;
  margin-top: 1.5rem;
  display: none;
}
.result-box.show { display: block; }
.result-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--sage);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.result-content { font-size: 0.9rem; color: var(--cream); line-height: 1.8; }
.result-row {
  display: flex;
  justify-content: space-between;
  padding: 0.4rem 0;
  border-bottom: 1px solid rgba(122,173,90,0.08);
}
.result-row:last-child { border: none; }
.result-row .r-label { color: var(--warm); }
.result-row .r-val { color: var(--lime); font-family: var(--font-mono); font-weight: 500; }

/* AI chat */
.chat-messages {
  background: var(--black);
  border: 1px solid rgba(122,173,90,0.12);
  padding: 1.5rem;
  height: 300px;
  overflow-y: auto;
  margin-bottom: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.chat-msg {
  max-width: 85%;
  padding: 0.8rem 1.2rem;
  font-size: 0.88rem;
  line-height: 1.6;
}
.chat-msg.user {
  align-self: flex-end;
  background: var(--forest);
  color: var(--cream);
  border-radius: 2px 2px 0 2px;
}
.chat-msg.ai {
  align-self: flex-start;
  background: var(--mid);
  color: var(--cream);
  border-radius: 2px 2px 2px 0;
  border-left: 2px solid var(--sage);
}
.chat-msg.typing { opacity: 0.6; font-style: italic; color: var(--sage); }

.chat-input-row {
  display: flex;
  gap: 0.8rem;
}
.chat-input-row .form-input { flex: 1; }

/* ===== ARTICLES ===== */
.articles-section {
  padding: 8rem 3rem;
  background: var(--black);
}

.articles-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 1.5rem;
  margin-top: 4rem;
}
.article-card {
  background: var(--dark);
  border: 1px solid rgba(122,173,90,0.1);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}
.article-card:hover { border-color: var(--sage); }
.article-card.featured { grid-row: span 2; }

.article-thumb {
  height: 200px;
  background: linear-gradient(135deg, var(--forest), var(--mid));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  position: relative;
  overflow: hidden;
}
.article-card.featured .article-thumb { height: 280px; }
.article-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,10,8,0.6), transparent);
}

.article-body { padding: 1.5rem 2rem; }
.article-cat {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--sage);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.7rem;
}
.article-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--cream);
  line-height: 1.3;
  margin-bottom: 0.7rem;
}
.article-card.featured .article-title { font-size: 1.5rem; }
.article-excerpt { font-size: 0.83rem; color: var(--warm); line-height: 1.7; }
.article-meta {
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--moss);
  letter-spacing: 0.06em;
}

/* ===== AI SECTION ===== */
.ai-section {
  padding: 8rem 3rem;
  background: var(--deep);
  position: relative;
  overflow: hidden;
}
.ai-section::before {
  content: 'AI';
  position: absolute;
  right: -2rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-size: 20rem;
  font-weight: 900;
  color: rgba(45,74,30,0.08);
  pointer-events: none;
  letter-spacing: -0.05em;
}

.ai-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}

/* ===== NEWSLETTER ===== */
.newsletter {
  padding: 6rem 3rem;
  background: var(--forest);
  position: relative;
  overflow: hidden;
  text-align: center;
}
.newsletter::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(122,173,90,0.15), transparent 70%);
}

.newsletter-content { position: relative; z-index: 1; max-width: 500px; margin: 0 auto; }
.newsletter h2 {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--cream);
  margin-bottom: 1rem;
}
.newsletter p { color: rgba(240,234,214,0.75); margin-bottom: 2rem; }

.newsletter-form {
  display: flex;
  gap: 0;
  max-width: 420px;
  margin: 0 auto;
}
.newsletter-form input {
  flex: 1;
  background: rgba(10,10,8,0.5);
  border: 1px solid rgba(240,234,214,0.3);
  border-right: none;
  color: var(--cream);
  padding: 0.9rem 1.2rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
}
.newsletter-form input::placeholder { color: rgba(240,234,214,0.4); }
.newsletter-form button {
  background: var(--cream);
  color: var(--black);
  border: none;
  padding: 0.9rem 1.8rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: var(--transition);
}
.newsletter-form button:hover { background: var(--lime); }

/* ===== FOOTER ===== */
footer {
  padding: 4rem 3rem 2rem;
  background: var(--black);
  border-top: 1px solid rgba(122,173,90,0.1);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer-brand .logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--cream);
  margin-bottom: 1rem;
}
.footer-brand .logo span { color: var(--sage); }
.footer-brand p { font-size: 0.85rem; color: var(--warm); line-height: 1.7; max-width: 280px; }

.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--sage);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1.2rem;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 0.6rem; }
.footer-col ul li a {
  font-size: 0.85rem;
  color: var(--warm);
  text-decoration: none;
  transition: color var(--transition);
}
.footer-col ul li a:hover { color: var(--sage); }

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(122,173,90,0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-bottom p {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--moss);
  letter-spacing: 0.06em;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--black); }
::-webkit-scrollbar-thumb { background: var(--forest); }
::-webkit-scrollbar-thumb:hover { background: var(--moss); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: 1fr 1fr; }
  .articles-grid { grid-template-columns: 1fr 1fr; }
  .article-card.featured { grid-column: span 2; grid-row: span 1; }
  .ai-content { grid-template-columns: 1fr; gap: 3rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-stat-strip { display: none; }
}

@media (max-width: 768px) {
  nav { padding: 1rem 1.5rem; }
  .nav-links { display: none; flex-direction: column; position: fixed; inset: 0; background: var(--black); align-items: center; justify-content: center; gap: 2rem; z-index: 400; }
  .nav-links.open { display: flex; }
  .nav-links a { font-size: 1.2rem; }
  .nav-toggle { display: flex; }

  .hero { padding: 7rem 1.5rem 4rem; }
  .hero-scroll { display: none; }

  .features, .encyclopedia, .tools-section, .articles-section, .ai-section, .newsletter { padding: 5rem 1.5rem; }
  .features-grid { grid-template-columns: 1fr; }
  .articles-grid { grid-template-columns: 1fr; }
  .article-card.featured { grid-column: 1; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }

  .modal { max-height: 90vh; }
  .modal-header, .modal-body { padding: 1.5rem; }
}

/* ===== MOBILE BOTTOM NAV ===== */
.mob-nav {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 600;
  background: rgba(10,10,8,0.97);
  border-top: 1px solid rgba(122,173,90,0.15);
  backdrop-filter: blur(10px);
  padding: 0.5rem 0 calc(0.5rem + env(safe-area-inset-bottom));
}
.mob-nav a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  color: var(--moss);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: color var(--transition);
  flex: 1;
  padding: 0.4rem 0;
}
.mob-nav a:first-child { font-size: 1.1rem; }
.mob-nav a span { font-size: 0.55rem; margin-top: 0.1rem; }
.mob-nav a .icon { font-size: 1.2rem; }
.mob-nav a.active,
.mob-nav a:hover { color: var(--sage); }

@media (max-width: 768px) {
  .mob-nav {
    display: flex;
    justify-content: space-around;
  }
  /* Prevent content hiding behind mobile nav */
  body { padding-bottom: 60px; }
  /* Hide desktop nav on mobile, show toggle */
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: 0;
    background: rgba(10,10,8,0.98);
    align-items: center;
    justify-content: center;
    gap: 2rem;
    z-index: 400;
  }
  .nav-links.open a { font-size: 1.3rem; }
}

/* ===== AI CHAT NOTE STYLE ===== */
.ai-note {
  margin-top: 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--moss);
  line-height: 1.6;
  padding: 0.6rem 0.8rem;
  background: rgba(45,74,30,0.15);
  border-left: 2px solid var(--forest);
}