:root {
  --ink:     #040402;
  --dark:    #0A0A08;
  --surface: #111110;
  --card:    #161614;
  --card2:   #1C1C19;
  --amber:   #E8950A;
  --amber2:  #FFA820;
  --rust:    #B83A00;
  --cream:   #DDD5B5;
  --white:   #F0EDE4;
  --muted:   #6A6655;
  --dim:     #3A3828;
  --border:  rgba(221, 213, 181, 0.1);
  --border2: rgba(221, 213, 181, 0.18);
  --ambdim:  rgba(232, 149, 10, 0.12);
  --grid:    rgba(221, 213, 181, 0.04);
  --nav-h:   60px;
  --t:       0.2s ease;
  --r:       3px;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--ink);
  color: var(--white);
  overflow-x: hidden;
  line-height: 1.6;
}

/* ─── CANVAS ─── */
#topo-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.site-wrapper { position: relative; z-index: 2; }

/* ─── NAVIGATION ─── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 100;
  display: flex;
  align-items: center;
  padding: 0 clamp(1.2rem, 5vw, 3.5rem);
  background: rgba(4, 4, 2, 0.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--white);
  text-decoration: none;
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
  gap: 10px;
  text-transform: uppercase;
}

.nav-logo-mark {
  display: flex;
  align-items: center;
  gap: 3px;
}

.nav-logo-mark span {
  display: block;
  width: 6px; height: 6px;
  background: var(--amber);
}

.nav-logo-mark span:nth-child(2) { width: 4px; height: 4px; opacity: 0.6; }
.nav-logo-mark span:nth-child(3) { width: 3px; height: 3px; opacity: 0.3; }

.nav-ver {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  color: var(--muted);
  letter-spacing: 0.05em;
  margin-left: 4px;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
  margin-left: auto;
  margin-right: auto;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color var(--t);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--amber);
  transition: width var(--t);
}

.nav-links a:hover,
.nav-links a.active { color: var(--cream); }

.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

.nav-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-coords {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  color: var(--muted);
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-coords::before {
  content: '';
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--amber);
  animation: pulse-amber 2s ease infinite;
}

@keyframes pulse-amber {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  margin-left: auto;
}

.hamburger span { width: 22px; height: 2px; background: var(--cream); border-radius: 1px; transition: all var(--t); }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ─── TYPOGRAPHY ─── */
h1, h2, h3, h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.display {
  font-size: clamp(3.5rem, 9vw, 8rem);
  line-height: 0.92;
  letter-spacing: -0.03em;
}

.heading-xl { font-size: clamp(2.2rem, 5vw, 3.8rem); }
.heading-lg { font-size: clamp(1.6rem, 3vw, 2.4rem); }
.heading-md { font-size: clamp(1.1rem, 2vw, 1.4rem); }

.mono {
  font-family: 'JetBrains Mono', 'Courier New', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.amber { color: var(--amber); }
.cream { color: var(--cream); }
.muted { color: var(--muted); }

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0.8rem 1.8rem;
  border-radius: var(--r);
  font-size: 0.82rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all var(--t);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-family: 'Inter', sans-serif;
}

.btn-primary {
  background: var(--amber);
  color: var(--ink);
}

.btn-primary:hover {
  background: var(--amber2);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(232, 149, 10, 0.4);
}

.btn-ghost {
  background: transparent;
  color: var(--cream);
  border: 1px solid var(--border2);
}

.btn-ghost:hover {
  border-color: var(--amber);
  color: var(--amber);
  transform: translateY(-2px);
}

.btn-lg { padding: 1rem 2.5rem; font-size: 0.88rem; }

/* ─── CARDS ─── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 2rem;
  transition: border-color var(--t), transform var(--t);
}

.card:hover {
  border-color: var(--border2);
  transform: translateY(-3px);
}

.card-accent {
  border-left: 3px solid var(--amber);
}

.card-accent:hover {
  border-left-color: var(--amber2);
}

/* ─── LAYOUT ─── */
section {
  padding: clamp(4rem, 8vw, 8rem) clamp(1.2rem, 5vw, 3.5rem);
  position: relative;
}

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

.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; }

/* ─── SECTION NUMBERING ─── */
.sec-num {
  position: absolute;
  top: 3rem; right: clamp(1.2rem, 5vw, 3.5rem);
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(6rem, 14vw, 14rem);
  font-weight: 700;
  color: rgba(221, 213, 181, 0.04);
  line-height: 1;
  pointer-events: none;
  user-select: none;
  letter-spacing: -0.05em;
}

/* ─── RULE DIVIDERS ─── */
.rule {
  height: 1px;
  background: var(--border);
  margin: 0 clamp(1.2rem, 5vw, 3.5rem);
}

.rule-label {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0 clamp(1.2rem, 5vw, 3.5rem);
}

.rule-label::before, .rule-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.rule-label span {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  white-space: nowrap;
}

/* ─── SECTION LABEL ─── */
.sec-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: var(--amber);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 1.2rem;
}

.sec-label::before {
  content: '';
  width: 18px; height: 1px;
  background: var(--amber);
}

/* ─── PAGE HERO ─── */
.page-hero {
  min-height: 40vh;
  display: flex;
  align-items: flex-end;
  padding: calc(var(--nav-h) + 5rem) clamp(1.2rem, 5vw, 3.5rem) 4rem;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.page-hero-inner { max-width: 1160px; margin: 0 auto; width: 100%; }

/* ─── STATS ─── */
.stat-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  color: var(--amber);
  line-height: 1;
}

.stat-label {
  font-size: 0.82rem;
  color: var(--muted);
  margin-top: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ─── BADGE ─── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--r);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.badge-amber {
  background: var(--ambdim);
  color: var(--amber);
  border: 1px solid rgba(232, 149, 10, 0.25);
}

.badge-cream {
  background: rgba(221, 213, 181, 0.07);
  color: var(--cream);
  border: 1px solid var(--border2);
}

/* ─── COORD TAG ─── */
.coord {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  color: var(--dim);
  letter-spacing: 0.07em;
}

/* ─── REVEAL ─── */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.visible { opacity: 1; transform: none; }

.stagger > * {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.stagger.visible > *:nth-child(1) { opacity: 1; transform: none; transition-delay: 0.05s; }
.stagger.visible > *:nth-child(2) { opacity: 1; transform: none; transition-delay: 0.13s; }
.stagger.visible > *:nth-child(3) { opacity: 1; transform: none; transition-delay: 0.21s; }
.stagger.visible > *:nth-child(4) { opacity: 1; transform: none; transition-delay: 0.29s; }
.stagger.visible > *:nth-child(5) { opacity: 1; transform: none; transition-delay: 0.37s; }
.stagger.visible > *:nth-child(6) { opacity: 1; transform: none; transition-delay: 0.45s; }
.stagger.visible > *:nth-child(7) { opacity: 1; transform: none; transition-delay: 0.53s; }
.stagger.visible > *:nth-child(8) { opacity: 1; transform: none; transition-delay: 0.61s; }

/* ─── COMPARE TABLE ─── */
.compare-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }

.compare-table th {
  padding: 1rem 1.4rem;
  text-align: left;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--muted);
  border-bottom: 1px solid var(--border2);
  text-transform: uppercase;
  background: rgba(0,0,0,0.3);
}

.compare-table th.atlas-head {
  color: var(--amber);
  border-bottom-color: rgba(232,149,10,0.4);
  background: rgba(232,149,10,0.06);
}

.compare-table td {
  padding: 0.9rem 1.4rem;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  vertical-align: middle;
}

.compare-table tr:hover td { background: rgba(255,255,255,0.015); }
.compare-table .atlas-col { background: rgba(232,149,10,0.03); }

.check { color: #6BAA40; }
.cross { color: #AA3030; }
.partial { color: #B88000; }

/* ─── FORM ─── */
.form-group { margin-bottom: 1.3rem; }

.form-group label {
  display: block;
  font-size: 0.75rem;
  color: var(--muted);
  margin-bottom: 0.5rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 0.85rem 1rem;
  color: var(--white);
  font-size: 0.93rem;
  font-family: 'Inter', sans-serif;
  transition: border-color var(--t);
  outline: none;
  appearance: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--amber);
  box-shadow: 0 0 0 2px rgba(232, 149, 10, 0.12);
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--muted); }

.form-group textarea { resize: vertical; min-height: 130px; }

/* ─── TIMELINE ─── */
.timeline { position: relative; padding-left: 2.2rem; }

.timeline::before {
  content: '';
  position: absolute;
  left: 0; top: 0.4rem; bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, var(--amber) 0%, rgba(232,149,10,0.1) 100%);
}

.timeline-item { position: relative; padding-bottom: 2.5rem; }

.timeline-item::before {
  content: '';
  position: absolute;
  left: -2.2rem; top: 0.35rem;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 10px rgba(232,149,10,0.5);
}

.timeline-year {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--amber);
  letter-spacing: 0.07em;
  margin-bottom: 0.3rem;
}

.timeline-item h4 { font-size: 1rem; margin-bottom: 0.4rem; }
.timeline-item p { color: var(--muted); font-size: 0.87rem; line-height: 1.65; }

/* ─── FOOTER ─── */
footer {
  border-top: 1px solid var(--border);
  padding: 4rem clamp(1.2rem, 5vw, 3.5rem) 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  max-width: 1160px;
  margin: 0 auto 3rem;
}

.footer-brand p {
  color: var(--muted);
  font-size: 0.87rem;
  margin-top: 1rem;
  max-width: 260px;
  line-height: 1.75;
}

.footer-col h4 {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.2rem;
  font-family: 'JetBrains Mono', monospace;
}

.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 0.6rem; }

.footer-col ul a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.87rem;
  transition: color var(--t);
}

.footer-col ul a:hover { color: var(--cream); }

.footer-bottom {
  max-width: 1160px;
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--muted);
  font-size: 0.78rem;
}

/* ─── MOBILE ─── */
@media (max-width: 900px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .nav-coords { display: none; }
}

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .footer-brand { grid-column: 1 / -1; }

  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-h); left: 0; right: 0;
    background: rgba(4, 4, 2, 0.98);
    flex-direction: column;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border);
    gap: 1.2rem;
    margin: 0;
  }

  .nav-links.open { display: flex; }
  .hamburger { display: flex; }

  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
  .sec-num { display: none; }
}

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