/* Tim Sproul Network — shared landing styles
   Industrial navy + orange accents for marketplace family
*/
:root {
  --navy: #0b1220;
  --navy-2: #121921;
  --navy-3: #1a2433;
  --charcoal: #161d27;
  --orange: #f97316;
  --orange-hover: #fb923c;
  --orange-deep: #ea580c;
  --teal: #5eead4;
  --blue: #3b9eff;
  --white: #ffffff;
  --off-white: #f5f7fa;
  --muted: #94a3b8;
  --text: #e8eef9;
  --text-soft: #cbd5e1;
  --line: rgba(148, 163, 184, 0.22);
  --radius: 12px;
  --radius-lg: 18px;
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
  --sans: "IBM Plex Sans", system-ui, -apple-system, Segoe UI, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --accent: var(--orange);
  --accent-soft: rgba(249, 115, 22, 0.14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  background: var(--navy);
  color: var(--text);
  line-height: 1.55;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
img { max-width: 100%; height: auto; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--orange-hover); }
.wrap { width: min(1100px, calc(100% - 2rem)); margin-inline: auto; }

.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--orange); color: #111; padding: 0.55rem 1rem; font-weight: 700; z-index: 100;
}
.skip:focus { left: 1rem; top: 1rem; }

.topbar {
  background: #070c14;
  border-bottom: 1px solid var(--line);
  font-size: 0.86rem;
  color: var(--muted);
}
.topbar-inner {
  display: flex; flex-wrap: wrap; gap: 0.75rem 1.25rem;
  justify-content: space-between; align-items: center;
  padding: 0.55rem 0;
}
.topbar a { color: var(--muted); }
.topbar a:hover { color: var(--orange); }

.site-header {
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, var(--navy-2), var(--navy));
  position: sticky; top: 0; z-index: 40;
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: 0.9rem 0;
}
.logo {
  display: flex; align-items: center; gap: 0.7rem; color: inherit; text-decoration: none;
}
.logo-mark {
  width: 40px; height: 40px; border-radius: 10px;
  background: linear-gradient(145deg, var(--navy-3), #0b1220);
  border: 1px solid var(--line);
  display: grid; place-items: center; flex-shrink: 0;
}
.logo-mark span {
  font-family: var(--mono); font-weight: 700; font-size: 0.78rem;
  color: var(--accent); letter-spacing: 0.02em;
}
.logo-title { font-weight: 700; font-size: 1.05rem; color: #fff; display: block; line-height: 1.15; }
.logo-tag {
  font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--muted); display: block; margin-top: 0.15rem;
}
.header-cta { display: flex; gap: 0.55rem; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem;
  padding: 0.7rem 1.15rem; border-radius: 999px; font-weight: 700; font-size: 0.95rem;
  border: 1px solid transparent; cursor: pointer; text-decoration: none;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
}
.btn:hover { transform: translateY(-1px); text-decoration: none; }
.btn-primary {
  background: linear-gradient(135deg, var(--orange), var(--orange-deep));
  color: #111; box-shadow: 0 10px 28px rgba(249, 115, 22, 0.28);
}
.btn-primary:hover { color: #111; }
.btn-ghost {
  background: transparent; color: #fff; border-color: var(--line);
}
.btn-ghost:hover { border-color: var(--orange); color: #fff; }

main { flex: 1; }

.hero {
  padding: 3.25rem 0 2.5rem;
  background:
    radial-gradient(ellipse 80% 60% at 85% 10%, rgba(249,115,22,0.12), transparent 55%),
    radial-gradient(ellipse 60% 50% at 10% 80%, rgba(59,158,255,0.08), transparent 50%),
    var(--navy);
}
.hero-grid {
  display: grid; grid-template-columns: 1.35fr 0.9fr; gap: 2rem; align-items: start;
}
.eyebrow {
  font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--accent); font-weight: 600; margin: 0 0 0.85rem;
}
.hero h1 {
  margin: 0 0 1rem; font-size: clamp(1.75rem, 4vw, 2.55rem);
  line-height: 1.15; letter-spacing: -0.02em; color: #fff;
}
.lede {
  font-size: 1.08rem; color: var(--text-soft); max-width: 40rem; margin: 0 0 1.5rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.65rem; margin-bottom: 1.25rem; }
.trust-row {
  display: flex; flex-wrap: wrap; gap: 0.5rem 0.85rem; margin: 0; padding: 0; list-style: none;
}
.trust-row li {
  font-size: 0.82rem; color: var(--text-soft);
  border: 1px solid var(--line); border-radius: 999px; padding: 0.35rem 0.75rem;
  background: rgba(255,255,255,0.02);
}

.hero-card {
  background: linear-gradient(160deg, var(--navy-3), var(--navy-2));
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.35rem 1.4rem;
  box-shadow: var(--shadow);
}
.hero-card h2 {
  margin: 0 0 0.75rem; font-size: 1.05rem; color: #fff;
}
.hero-card ul { margin: 0; padding-left: 1.15rem; color: var(--text-soft); }
.hero-card li { margin: 0.35rem 0; }
.hero-card .card-note {
  margin: 1rem 0 0; font-size: 0.85rem; color: var(--muted);
}

.section { padding: 2.75rem 0; }
.section-alt { background: var(--navy-2); border-block: 1px solid var(--line); }
.section h2 {
  margin: 0 0 0.5rem; font-size: clamp(1.35rem, 2.5vw, 1.75rem); color: #fff;
}
.section-lead {
  margin: 0 0 1.75rem; color: var(--muted); max-width: 42rem;
}

.cards {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem;
}
.card {
  background: var(--navy-3);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.2rem 1.25rem;
}
.card h3 { margin: 0 0 0.45rem; font-size: 1.05rem; color: #fff; }
.card p { margin: 0; color: var(--text-soft); font-size: 0.94rem; }

.steps {
  display: grid; gap: 0.85rem; counter-reset: step; list-style: none; margin: 0; padding: 0;
}
.steps li {
  display: grid; grid-template-columns: auto 1fr; gap: 0.85rem; align-items: start;
  background: rgba(255,255,255,0.02); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1rem 1.1rem;
}
.steps li::before {
  counter-increment: step; content: counter(step);
  width: 1.75rem; height: 1.75rem; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent);
  font-family: var(--mono); font-weight: 700; font-size: 0.85rem;
  display: grid; place-items: center;
}
.steps strong { display: block; color: #fff; margin-bottom: 0.2rem; }
.steps span { color: var(--text-soft); font-size: 0.94rem; }

.cta-band {
  background: linear-gradient(135deg, #1a2433, #0f172a);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.5rem;
  display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; justify-content: space-between;
}
.cta-band h2 { margin: 0 0 0.35rem; font-size: 1.35rem; }
.cta-band p { margin: 0; color: var(--muted); max-width: 36rem; }

.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem;
}
.contact-panel {
  background: var(--navy-3); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.25rem 1.35rem;
}
.contact-panel h3 { margin: 0 0 0.75rem; color: #fff; }
.contact-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.55rem; }
.contact-list a { color: var(--text-soft); font-weight: 600; }
.contact-list a:hover { color: var(--orange); }
.contact-list span { color: var(--muted); font-size: 0.9rem; display: block; }

.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--line);
  background: #070c14;
  padding: 2rem 0 1.5rem;
  color: var(--muted);
}
.footer-top {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem;
  margin-bottom: 1.25rem;
}
.footer-brand { margin: 0 0 0.25rem; color: var(--text-soft); font-weight: 600; }
.footer-muted { margin: 0; font-size: 0.9rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 0.75rem 1.1rem; }
.footer-links a { color: var(--muted); font-weight: 500; }
.footer-links a:hover { color: var(--orange); }

.network-block {
  border-top: 1px solid var(--line);
  padding-top: 1.25rem;
}
.network-label {
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--orange); margin: 0 0 0.65rem; font-weight: 600;
}
.network-nav {
  display: flex; flex-wrap: wrap; gap: 0.45rem 1rem;
}
.network-nav a {
  color: #cbd5e1; font-weight: 500; font-size: 0.88rem; text-decoration: none;
}
.network-nav a:hover { color: var(--orange); }
.network-nav a[aria-current="page"] {
  color: var(--orange); border-bottom: 1px solid rgba(249, 115, 22, 0.5);
}

/* Theme variants */
body.theme-metrology { --accent: var(--blue); --accent-soft: rgba(59,158,255,0.14); }
body.theme-metrology .eyebrow,
body.theme-metrology .network-label,
body.theme-metrology .logo-mark span { color: var(--blue); }
body.theme-metrology .btn-primary {
  background: linear-gradient(135deg, #3b9eff, #2f7fd6);
  color: #041018; box-shadow: 0 10px 28px rgba(59,158,255,0.28);
}
body.theme-metrology .btn-primary:hover { color: #041018; }
body.theme-metrology .network-nav a:hover,
body.theme-metrology .network-nav a[aria-current="page"],
body.theme-metrology .footer-links a:hover,
body.theme-metrology .contact-list a:hover { color: var(--teal); }
body.theme-metrology .network-nav a[aria-current="page"] {
  border-bottom-color: rgba(94, 234, 212, 0.45);
}
body.theme-metrology .hero {
  background:
    radial-gradient(ellipse 80% 60% at 85% 10%, rgba(59,158,255,0.14), transparent 55%),
    radial-gradient(ellipse 60% 50% at 10% 80%, rgba(94,234,212,0.08), transparent 50%),
    var(--navy);
}
body.theme-iot { --accent: #38bdf8; --accent-soft: rgba(56,189,248,0.14); }
body.theme-iot .eyebrow,
body.theme-iot .network-label,
body.theme-iot .logo-mark span { color: #38bdf8; }
body.theme-iot .btn-primary {
  background: linear-gradient(135deg, #38bdf8, #0ea5e9);
  color: #041018; box-shadow: 0 10px 28px rgba(14,165,233,0.28);
}
body.theme-construction { --accent: #f59e0b; --accent-soft: rgba(245,158,11,0.14); }
body.theme-construction .eyebrow,
body.theme-construction .network-label,
body.theme-construction .logo-mark span { color: #f59e0b; }
body.theme-construction .btn-primary {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #111; box-shadow: 0 10px 28px rgba(245,158,11,0.28);
}
body.theme-personal { --accent: #a78bfa; --accent-soft: rgba(167,139,250,0.14); }
body.theme-personal .eyebrow,
body.theme-personal .network-label,
body.theme-personal .logo-mark span { color: #a78bfa; }
body.theme-personal .btn-primary {
  background: linear-gradient(135deg, #a78bfa, #7c3aed);
  color: #fff; box-shadow: 0 10px 28px rgba(124,58,237,0.28);
}
body.theme-personal .btn-primary:hover { color: #fff; }

@media (max-width: 860px) {
  .hero-grid, .contact-grid, .cards { grid-template-columns: 1fr; }
  .cards { grid-template-columns: 1fr; }
}
@media (min-width: 640px) and (max-width: 860px) {
  .cards { grid-template-columns: 1fr 1fr; }
}