/* ======================================
   CANOPY — AUTONOMOUS ECOSYSTEM OPS
   ====================================== */

:root {
  --bg-primary: #0c1f12;
  --bg-secondary: #0f2618;
  --bg-card: #132918;
  --bg-card-hover: #162e1d;
  --fg-primary: #f4ece0;
  --fg-secondary: #a89f8a;
  --fg-muted: #6e6558;
  --accent: #d4a44c;
  --accent-dim: rgba(212, 164, 76, 0.15);
  --accent-border: rgba(212, 164, 76, 0.3);
  --border: rgba(244, 236, 224, 0.08);
  --border-strong: rgba(244, 236, 224, 0.15);
  --font-serif: 'Instrument Serif', Georgia, serif;
  --font-sans: 'Instrument Sans', system-ui, sans-serif;
}

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

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

body {
  background: var(--bg-primary);
  color: var(--fg-primary);
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── NAVIGATION ─────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 3rem;
  background: rgba(12, 31, 18, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.nav-name {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--fg-primary);
  letter-spacing: -0.01em;
}

.nav-tagline {
  font-size: 0.8rem;
  color: var(--fg-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ── HERO ───────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 3rem 5rem;
  overflow: hidden;
}

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

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 2rem;
  font-weight: 500;
}

.hero-label-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-headline {
  font-family: var(--font-serif);
  font-size: clamp(3.5rem, 8vw, 7rem);
  font-weight: 400;
  line-height: 1.0;
  letter-spacing: -0.03em;
  color: var(--fg-primary);
  margin-bottom: 1.75rem;
}

.hero-headline em {
  font-style: italic;
  color: var(--accent);
}

.hero-sub {
  font-size: 1.25rem;
  line-height: 1.65;
  color: var(--fg-secondary);
  max-width: 580px;
  margin-bottom: 4rem;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
}

.hero-stat {
  padding: 0 2.5rem;
}

.hero-stat:first-child { padding-left: 0; }

.hero-stat-value {
  display: block;
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 400;
  color: var(--fg-primary);
  letter-spacing: -0.02em;
  margin-bottom: 0.2rem;
}

.hero-stat-label {
  display: block;
  font-size: 0.72rem;
  color: var(--fg-muted);
  line-height: 1.4;
  max-width: 120px;
}

.hero-stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border-strong);
  flex-shrink: 0;
}

.hero-ambient {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
}

.hero-orb-1 {
  width: 600px;
  height: 600px;
  right: -100px;
  top: -100px;
  background: radial-gradient(circle, rgba(212, 164, 76, 0.06) 0%, transparent 70%);
}

.hero-orb-2 {
  width: 400px;
  height: 400px;
  right: 100px;
  bottom: 100px;
  background: radial-gradient(circle, rgba(30, 70, 40, 0.4) 0%, transparent 70%);
}

/* ── PROBLEM ────────────────────────────── */
.problem {
  padding: 7rem 3rem;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
}

.problem-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.problem-tag {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 1.25rem;
}

.problem-headline {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--fg-primary);
  max-width: 600px;
  margin-bottom: 3.5rem;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.problem-card {
  padding: 2.5rem;
  background: var(--bg-card);
  transition: background 0.2s;
}

.problem-card:hover { background: var(--bg-card-hover); }

.problem-card-emphasis {
  background: rgba(212, 164, 76, 0.05);
}

.problem-card-icon {
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.problem-card h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--fg-primary);
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.problem-card p {
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--fg-secondary);
}

/* ── SOLUTION ───────────────────────────── */
.solution {
  padding: 7rem 3rem;
  border-top: 1px solid var(--border);
}

.solution-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.solution-tag {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 1.25rem;
}

.solution-headline {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--fg-primary);
  max-width: 600px;
  margin-bottom: 1.5rem;
}

.solution-sub {
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--fg-secondary);
  max-width: 620px;
  margin-bottom: 4rem;
}

.solution-diagram {
  display: flex;
  align-items: center;
  gap: 3rem;
}

.diagram-center {
  flex-shrink: 0;
  text-align: center;
}

.diagram-node {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  border: 1px solid var(--accent-border);
  background: var(--accent-dim);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
}

.diagram-node-label {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--accent);
  text-align: center;
  line-height: 1.3;
}

.diagram-node-sub {
  font-size: 0.7rem;
  color: var(--fg-muted);
  letter-spacing: 0.05em;
}

.diagram-connector {
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, var(--accent-border), transparent);
  display: none;
}

.diagram-ring {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  flex: 1;
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.diagram-ring-item {
  padding: 2rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.75rem;
  color: var(--fg-secondary);
  transition: background 0.2s;
}

.diagram-ring-item:hover { background: var(--bg-card-hover); }

.diagram-ring-item svg { color: var(--accent); flex-shrink: 0; }

.diagram-ring-item span {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--fg-primary);
  line-height: 1.4;
}

/* ── AGENTS ──────────────────────────────── */
.agents {
  padding: 7rem 3rem;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
}

.agents-inner {
  max-width: 900px;
  margin: 0 auto;
}

.agents-tag {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 1.25rem;
}

.agents-headline {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--fg-primary);
  margin-bottom: 3.5rem;
}

.agents-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.agent-item {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 0;
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
}

.agent-item:last-child { border-bottom: 1px solid var(--border); }

.agent-item-number {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  color: var(--fg-muted);
  padding-top: 0.2rem;
  letter-spacing: 0.02em;
}

.agent-item-name {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--fg-primary);
  letter-spacing: -0.01em;
  margin-bottom: 0.75rem;
}

.agent-item-desc {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--fg-secondary);
}

/* ── MANIFESTO ───────────────────────────── */
.manifesto {
  padding: 7rem 3rem;
  border-top: 1px solid var(--border);
}

.manifesto-inner {
  max-width: 800px;
  margin: 0 auto;
}

.manifesto-quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  line-height: 1.45;
  letter-spacing: -0.02em;
  color: var(--fg-primary);
  margin-bottom: 2.5rem;
  position: relative;
  padding-left: 2rem;
  border-left: 2px solid var(--accent);
}

.manifesto-body {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.manifesto-body p {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--fg-secondary);
}

/* ── CLOSING ────────────────────────────── */
.closing {
  padding: 8rem 3rem 7rem;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
}

.closing-inner {
  max-width: 800px;
  margin: 0 auto;
}

.closing-headline {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--fg-primary);
  margin-bottom: 4rem;
}

.closing-headline em {
  font-style: italic;
  color: var(--accent);
}

.closing-meta {
  display: flex;
  gap: 3rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border);
}

.closing-meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.closing-meta-label {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

.closing-meta-value {
  font-size: 0.9rem;
  color: var(--fg-secondary);
  font-weight: 500;
}

/* ── FOOTER ──────────────────────────────── */
.footer {
  padding: 3rem;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.footer-name {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--fg-primary);
}

.footer-tagline {
  font-size: 0.8rem;
  color: var(--fg-muted);
  margin-bottom: 1.5rem;
}

.footer-legal {
  font-size: 0.72rem;
  color: var(--fg-muted);
}

/* ── RESPONSIVE ──────────────────────────── */
@media (max-width: 768px) {
  .nav { padding: 1rem 1.5rem; }
  .nav-tagline { display: none; }

  .hero { padding: 7rem 1.5rem 4rem; }
  .hero-stats { flex-direction: column; align-items: flex-start; gap: 1.25rem; }
  .hero-stat { padding: 0; }
  .hero-stat-divider { display: none; }

  .problem, .solution, .agents, .manifesto, .closing { padding: 5rem 1.5rem; }

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

  .solution-diagram { flex-direction: column; }
  .diagram-ring { grid-template-columns: 1fr; }

  .agent-item { grid-template-columns: 40px 1fr; }

  .closing-meta { flex-direction: column; gap: 1.5rem; }

  .footer { padding: 2rem 1.5rem; }
}

@media (max-width: 480px) {
  html { font-size: 15px; }
  .nav { padding: 0.875rem 1.25rem; }
  .hero-headline { font-size: 3rem; }
  .closing-headline { font-size: 2.25rem; }
}