:root {
  --paper: #FFFFFF;
  --paper-soft: #F4F7F5;
  --ink: #122019;
  --brand-green: #1C9A5B;
  --brand-green-dim: #157248;
  --brand-blue: #1B4F8C;
  --brand-blue-dim: #123863;
  --line: #E1E7E3;
  --muted: #55655C;

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'IBM Plex Sans', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.55;
}

a { color: inherit; }
img { max-width: 100%; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand-green-dim);
  margin: 0 0 0.9rem;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  margin: 0 0 1rem;
  line-height: 1.15;
  color: var(--ink);
}

h1 { font-size: clamp(2.2rem, 4.6vw, 3.2rem); }
h2 { font-size: clamp(1.5rem, 2.8vw, 2rem); }

p { color: var(--muted); margin: 0 0 1rem; }

/* ---------- Header ---------- */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.3rem 6vw;
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(6px);
  z-index: 20;
  border-bottom: 1px solid var(--line);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  color: var(--ink);
}
.logo em { color: var(--brand-green); font-style: normal; }

.site-header nav {
  display: flex;
  align-items: center;
  gap: 1.8rem;
  font-size: 0.92rem;
}
.site-header nav a {
  text-decoration: none;
  color: var(--muted);
}
.site-header nav a:hover, .site-header nav a.active { color: var(--ink); }

.nav-cta {
  background: var(--brand-blue);
  color: #fff !important;
  font-weight: 600;
  padding: 0.55rem 1.3rem;
  border-radius: 4px;
}
.nav-cta:hover { background: var(--brand-blue-dim) !important; }

/* mobile nav toggle */
.nav-toggle { display: none; }

/* ---------- Buttons ---------- */

.btn {
  display: inline-block;
  text-decoration: none;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.85rem 1.6rem;
  border-radius: 4px;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.btn-primary { background: var(--brand-blue); color: #fff; }
.btn-primary:hover { background: var(--brand-blue-dim); transform: translateY(-1px); }

.btn-ghost { border: 1px solid var(--line); color: var(--ink); }
.btn-ghost:hover { border-color: var(--brand-green); color: var(--brand-green-dim); }

/* ---------- Page header (non-home pages) ---------- */

.page-header {
  padding: 3.5rem 6vw 2.5rem;
  max-width: 1200px;
  margin: 0 auto;
  border-bottom: 1px solid var(--line);
}
.page-header .lede { max-width: 62ch; font-size: 1.05rem; }

/* ---------- Hero (home only) ---------- */

.hero {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 3rem;
  align-items: center;
  padding: 4.5rem 6vw 5rem;
  max-width: 1200px;
  margin: 0 auto;
  overflow: hidden;
}

.hero .lede { font-size: 1.1rem; max-width: 48ch; }

.hero-actions { display: flex; gap: 1rem; margin-top: 2rem; flex-wrap: wrap; }

.hero-diagram { width: 100%; }

.grid-lines path { stroke: var(--brand-blue); stroke-opacity: 0.08; stroke-width: 1; }

.tower path:not(.node-bolt) {
  stroke: var(--brand-blue);
  stroke-opacity: 0.35;
  stroke-width: 1.6;
  fill: none;
}
.node-ring { fill: none; stroke: var(--brand-green); stroke-width: 2.2; }
.node-bolt { fill: var(--brand-green); }

.wire { stroke: var(--brand-green); stroke-opacity: 0.45; stroke-width: 1.4; stroke-dasharray: 3 5; }
.pulse { fill: var(--brand-green); }

/* ---------- Section heads ---------- */

.section-head {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 3rem;
}
.section-head.left { justify-content: flex-start; }
.section-head h2 { margin: 0; text-align: center; }
.section-head.left h2 { text-align: left; }
.section-head .rule { flex: 1; max-width: 90px; height: 2px; background: var(--brand-green); }
.section-head.left .rule { order: 2; }

/* ---------- Layout blocks ---------- */

.section {
  padding: 5rem 6vw;
  max-width: 1200px;
  margin: 0 auto;
}
.section-soft { background: var(--paper-soft); }
.section-soft > .section-inner { max-width: 1200px; margin: 0 auto; padding: 5rem 6vw; }

/* ---------- Cards ---------- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.card-grid.two { grid-template-columns: repeat(2, 1fr); }

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-top: 3px solid var(--brand-green);
  border-radius: 6px;
  padding: 2rem;
}
.card-index {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand-blue);
  margin: 0 0 0.8rem;
}
.card h3 { font-size: 1.1rem; }
.card p:not(.card-index) { font-size: 0.95rem; margin: 0; }

/* ---------- Process ---------- */

.process-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.process-list li { display: flex; gap: 1.5rem; align-items: flex-start; }
.step-num { font-family: var(--font-mono); font-size: 1.1rem; color: var(--brand-blue); min-width: 2.5rem; }
.process-list h3 { margin-bottom: 0.3rem; font-size: 1.05rem; }
.process-list p { margin: 0; font-size: 0.95rem; }

/* ---------- Industry chips ---------- */

.industry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.2rem;
}
.industry-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 1.6rem;
}
.industry-card h3 { font-size: 1rem; margin-bottom: 0.4rem; }
.industry-card p { font-size: 0.9rem; margin: 0; }

/* ---------- About / profile blocks ---------- */

.profile-block { max-width: 900px; margin: 0 auto 4rem; }
.profile-block:last-child { margin-bottom: 0; }
.profile-block .eyebrow { text-align: left; }

.placeholder-note {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--brand-blue);
  background: rgba(27, 79, 140, 0.08);
  border: 1px dashed var(--brand-blue);
  border-radius: 4px;
  padding: 0.3rem 0.6rem;
  margin-top: 0.5rem;
}

/* ---------- Contact ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: start;
}
.contact-detail {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1.6rem;
}
.contact-detail .label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand-blue);
}
.contact-detail .value { font-size: 1.05rem; color: var(--ink); }

.location-box {
  background: var(--paper-soft);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 2rem;
}

/* ---------- Footer ---------- */

.site-footer {
  padding: 2.5rem 6vw 3rem;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

/* ---------- Responsive ---------- */

@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; padding-top: 2.5rem; }
  .card-grid, .card-grid.two { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .site-header nav { gap: 1rem; font-size: 0.85rem; }
  .section-head { gap: 0.8rem; }
  .section-head .rule { max-width: 40px; }
}

@media (prefers-reduced-motion: reduce) {
  .pulse animateMotion { display: none; }
}