/* ── Reset & Variables ─────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:           #FAFAFA;
  --bg-alt:       #F0F4FA;
  --text:         #1A1A2E;
  --text-muted:   #5A6580;
  --primary:      #1B3A6B;
  --primary-light:#2D5EA8;
  --accent:       #E87C2B;
  --hero-bg:      #0B1829;
  --card-border:  #D8E2F0;
  --max-width:    1100px;
}

/* ── Base ───────────────────────────────────────────────────────────────────── */
html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 1rem;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

section { padding: 5rem 0; }
section:nth-child(even) { background: var(--bg-alt); }

/* ── Typography ─────────────────────────────────────────────────────────────── */
h2 {
  font-size: clamp(1.8rem, 4vw, 2.75rem);
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin-bottom: 1.25rem;
}

h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 0.75rem;
}

p {
  color: var(--text);
  margin-bottom: 1rem;
  font-size: 1.05rem;
  line-height: 1.75;
}

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

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.section-intro {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 720px;
  margin-bottom: 2.5rem;
}

/* ── Hero ───────────────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  background: var(--hero-bg);
  display: flex;
  align-items: center;
  overflow: hidden;
}

#network-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.25;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 5rem 2rem;
}

.hero-logo {
  margin-bottom: 2.5rem;
}

.hero-logo svg {
  width: 52px;
  height: 52px;
  display: block;
}

.hero-eyebrow {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.45);
  margin-bottom: 1rem;
}

.hero h1 {
  font-size: clamp(3.5rem, 8vw, 6.5rem);
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.025em;
  line-height: 1.0;
  margin-bottom: 1.5rem;
}

.motto {
  font-size: clamp(1.1rem, 2.2vw, 1.4rem);
  color: var(--accent);
  font-weight: 500;
  max-width: 680px;
  margin-bottom: 1.5rem;
  line-height: 1.55;
}

.hero-sub {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.6);
  max-width: 600px;
  margin-bottom: 2.75rem;
  line-height: 1.8;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  padding: 0.875rem 2rem;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: background 0.18s ease;
  display: inline-block;
}

.btn-primary:hover { background: #cf6b1f; }

.btn-secondary {
  border: 1.5px solid rgba(255, 255, 255, 0.35);
  color: rgba(255, 255, 255, 0.85);
  padding: 0.875rem 2rem;
  border-radius: 4px;
  font-weight: 500;
  font-size: 0.95rem;
  text-decoration: none;
  transition: border-color 0.18s ease, color 0.18s ease;
  display: inline-block;
}

.btn-secondary:hover {
  border-color: rgba(255, 255, 255, 0.75);
  color: #fff;
}

/* ── Who We Are / Cards ─────────────────────────────────────────────────────── */
.who-we-are .section-intro { margin-bottom: 3rem; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.card {
  background: #fff;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 2rem;
  border-top: 3px solid var(--primary);
}

.card-icon {
  color: var(--accent);
  font-size: 1.1rem;
  margin-bottom: 1rem;
  opacity: 0.8;
}

.card h3 { margin-bottom: 0.6rem; }
.card p { color: var(--text-muted); font-size: 0.98rem; margin-bottom: 0; }

/* ── Mission ────────────────────────────────────────────────────────────────── */
blockquote {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--primary);
  border-left: 4px solid var(--accent);
  padding: 1rem 1.5rem;
  margin: 2rem 0 2.5rem;
  font-style: italic;
  line-height: 1.5;
}

.mission-body p { max-width: 780px; }

.mission-values {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.value-item {
  background: #fff;
  border: 1px solid var(--card-border);
  border-radius: 6px;
  padding: 1.5rem;
}

.value-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.value-item p {
  color: var(--text-muted);
  font-size: 0.93rem;
  margin: 0;
}

/* ── Approach / Pillars ─────────────────────────────────────────────────────── */
.pillars {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-top: 2.5rem;
}

.pillar { position: relative; }

.pillar-number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--primary);
  opacity: 0.08;
  line-height: 1;
  margin-bottom: 0.5rem;
  letter-spacing: -0.03em;
}

.approach-closing {
  margin-top: 2.5rem;
  font-style: italic;
  color: var(--text-muted);
  max-width: 680px;
}

/* ── BizAgents ──────────────────────────────────────────────────────────────── */
.flagship-badge {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.3rem 0.9rem;
  border-radius: 100px;
  margin-bottom: 0.85rem;
}

.bizagents .section-intro { color: var(--text-muted); margin-top: 1rem; }

/* Architecture diagram */
.arch-diagram {
  background: var(--hero-bg);
  border-radius: 10px;
  padding: 2.5rem 2rem;
  margin: 2.5rem 0;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.arch-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.arch-row.split { gap: 1.25rem; }

.arch-node {
  padding: 0.6rem 1.5rem;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 600;
}

.arch-node.company {
  background: var(--primary);
  color: #fff;
  font-size: 1rem;
  padding: 0.7rem 2rem;
}

.arch-node.platform {
  background: var(--primary-light);
  color: #fff;
  font-size: 0.95rem;
  padding: 0.65rem 2rem;
}

.arch-node.builder {
  background: rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.arch-node.leaf {
  background: rgba(255, 255, 255, 0.07);
  color: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.85rem;
}

.arch-node.showcase-node {
  background: rgba(232, 124, 43, 0.2);
  color: var(--accent);
  border: 1px solid rgba(232, 124, 43, 0.35);
  font-size: 0.85rem;
}

.arch-node.future-node {
  background: rgba(255, 255, 255, 0.04);
  color: rgba(255, 255, 255, 0.4);
  border: 1px dashed rgba(255, 255, 255, 0.12);
  font-size: 0.82rem;
}

.arch-divider {
  color: rgba(255, 255, 255, 0.2);
  font-size: 1.2rem;
  padding: 0 0.25rem;
}

.arch-arrow-down {
  color: var(--accent);
  font-size: 1.2rem;
  line-height: 1;
  opacity: 0.7;
  margin: 0.15rem 0;
}

/* Capabilities grid */
.subsection-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--primary);
  margin: 2.5rem 0 1.25rem;
  padding-top: 2rem;
  border-top: 1px solid var(--card-border);
}

.capabilities {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 0.75rem;
}

.capability-item {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.95rem;
  color: var(--text);
  padding: 0.5rem 0;
}

.capability-item::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

/* Builder section */
.builder-section { margin-top: 0; }

.product-types {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.product-type {
  background: var(--bg);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 1.75rem;
}

.product-type h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.6rem;
}

.product-type > p {
  font-size: 0.93rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.product-type ul { list-style: none; }

.product-type li {
  padding: 0.3rem 0;
  font-size: 0.93rem;
  color: var(--text-muted);
  padding-left: 1.2rem;
  position: relative;
}

.product-type li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.82rem;
}

/* Agent capabilities */
.agents-section { margin-top: 0; }

.agent-capabilities {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.25rem;
}

.agent-cap {
  background: var(--bg-alt);
  border: 1px solid var(--card-border);
  border-radius: 100px;
  padding: 0.4rem 1rem;
  font-size: 0.88rem;
  color: var(--primary);
  font-weight: 500;
}

/* ── Ecosystem ──────────────────────────────────────────────────────────────── */
.ecosystem-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0;
  margin: 2.5rem 0;
}

.flow-step {
  background: var(--primary);
  color: #fff;
  padding: 0.9rem 1.4rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.9rem;
  text-align: center;
  min-width: 130px;
}

.flow-arrow {
  color: var(--accent);
  font-size: 1.3rem;
  padding: 0 0.4rem;
  flex-shrink: 0;
}

.ecosystem-benefits {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.eco-benefit {
  padding: 1.5rem;
  background: #fff;
  border: 1px solid var(--card-border);
  border-radius: 8px;
}

.eco-benefit strong {
  display: block;
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

.eco-benefit p {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin: 0;
}

/* ── Showcase ───────────────────────────────────────────────────────────────── */
.showcase-card {
  background: #fff;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 2.5rem;
  border-left: 4px solid var(--accent);
  margin-top: 1.5rem;
}

.showcase-tag {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
}

/* ── Looking Forward ────────────────────────────────────────────────────────── */
.looking-forward {
  background: var(--primary) !important;
}

.looking-forward h2 {
  color: #fff;
}

.looking-forward p {
  color: rgba(255, 255, 255, 0.75);
  max-width: 760px;
}

.forward-closing {
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9) !important;
  font-style: italic;
  margin-top: 1.5rem;
}

/* ── Contact ────────────────────────────────────────────────────────────────── */
.contact .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.contact h2 { margin-bottom: 1rem; }

.contact-intro {
  color: var(--text-muted);
  max-width: 560px;
  margin-bottom: 2.25rem;
}

.contact-email {
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  letter-spacing: -0.02em;
  border-bottom: 2px solid var(--accent);
  padding-bottom: 2px;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.contact-email:hover {
  color: var(--accent);
}

/* ── Footer ─────────────────────────────────────────────────────────────────── */
footer {
  background: var(--hero-bg);
  padding: 3.5rem 0;
  text-align: center;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 0.75rem;
}

.footer-brand svg {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
}

.footer-brand span {
  font-size: 1.4rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
}

.footer-tagline {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.4);
  max-width: 480px;
  margin: 0 auto 1.5rem;
  line-height: 1.6;
}

.footer-copy {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.25);
  margin: 0;
}

/* ── Responsive ─────────────────────────────────────────────────────────────── */
@media (max-width: 750px) {
  section { padding: 3.5rem 0; }

  .pillars {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .product-types {
    grid-template-columns: 1fr;
  }

  .ecosystem-flow {
    flex-direction: column;
    align-items: stretch;
  }

  .flow-arrow {
    text-align: center;
    transform: rotate(90deg);
    padding: 0.2rem 0;
  }

  .arch-row.split {
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  .arch-divider { display: none; }
}

@media (max-width: 480px) {
  .hero-ctas { flex-direction: column; }
  .btn-primary, .btn-secondary { text-align: center; }
}