/* =========================================================
   RIDGEBACK — Shared Design System
   Used by ridgeback-global.com and ridgebackinfra.com
   ========================================================= */

:root {
  /* Brand palette */
  --navy: #0D1826;
  --navy-2: #13202E;
  --steel: #2C4257;
  --slate: #5B6773;
  --line: #26384A;
  --paper: #F6F7F8;
  --white: #FFFFFF;
  --accent: #C0752B;      /* burnt-orange accent */
  --accent-2: #E0973F;
  --ok: #4CAF7D;
  --dev: #E0973F;

  /* Type */
  --font-head: "Space Grotesk", "Segoe UI", Arial, sans-serif;
  --font-body: "Inter", "Segoe UI", Arial, sans-serif;
  --font-mono: "IBM Plex Mono", "Courier New", monospace;

  --radius: 6px;
  --maxw: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: #1B2530;
  background: var(--white);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 {
  font-family: var(--font-head);
  color: var(--navy-2);
  line-height: 1.15;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}
p { margin: 0 0 1em; color: #33404C; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 28px;
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(13, 24, 38, 0.96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 18px;
  color: var(--white);
  letter-spacing: 0.01em;
}
.brand .mark {
  width: 30px; height: 30px;
  border-radius: 4px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--navy-2); font-weight: 800; font-size: 14px;
}
.brand .sub {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 12px;
  color: #8FA0B3;
  margin-left: 4px;
}
nav.primary-nav {
  display: flex;
  align-items: center;
  gap: 30px;
}
nav.primary-nav a {
  color: #C7D2DC;
  font-size: 14.5px;
  font-weight: 500;
  transition: color .15s ease;
}
nav.primary-nav a:hover { color: var(--white); }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 14.5px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all .15s ease;
}
.btn-accent {
  background: var(--accent);
  color: var(--white);
}
.btn-accent:hover { background: var(--accent-2); }
.btn-outline {
  background: transparent;
  border-color: #3C5164;
  color: var(--white);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent-2); }
.btn-ghost {
  background: transparent;
  color: var(--navy-2);
  border-color: var(--line);
}

/* ---------- Hero ---------- */
.hero {
  background: radial-gradient(ellipse at top right, #17293C 0%, var(--navy) 55%, #0A121C 100%);
  color: var(--white);
  padding: 110px 0 90px;
  border-bottom: 1px solid var(--line);
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-2);
  background: rgba(192,117,43,0.12);
  border: 1px solid rgba(192,117,43,0.35);
  padding: 6px 12px;
  border-radius: 100px;
  margin-bottom: 22px;
}
.hero h1 {
  color: var(--white);
  font-size: 48px;
  max-width: 780px;
  margin-bottom: 20px;
}
.hero .lede {
  font-size: 19px;
  color: #AEBBC7;
  max-width: 620px;
  margin-bottom: 34px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* status badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 100px;
  font-weight: 600;
}
.badge::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
}
.badge-live { background: rgba(76,175,125,0.12); color: var(--ok); border: 1px solid rgba(76,175,125,0.35); }
.badge-dev { background: rgba(224,151,63,0.12); color: var(--dev); border: 1px solid rgba(224,151,63,0.35); }

/* ---------- Sections ---------- */
section { padding: 84px 0; }
.section-alt { background: var(--paper); }
.section-head { max-width: 680px; margin-bottom: 46px; }
.section-head .kicker {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 10px;
}
.section-head h2 { font-size: 32px; }
.section-head p { font-size: 17px; color: var(--slate); }

/* ---------- Cards / Grid ---------- */
.grid { display: grid; gap: 22px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--white);
  border: 1px solid #E3E7EB;
  border-radius: 10px;
  padding: 28px 24px;
  transition: border-color .15s ease, transform .15s ease;
}
.card:hover { border-color: var(--accent); transform: translateY(-2px); }
.card .num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  margin-bottom: 14px;
  letter-spacing: 0.05em;
}
.card h3 { font-size: 18px; margin-bottom: 10px; }
.card p { font-size: 14.5px; color: var(--slate); margin-bottom: 0; }

.card-dark {
  background: var(--navy-2);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 30px 26px;
}
.card-dark h3 { color: var(--white); }
.card-dark p { color: #9FB0C0; }

/* ---------- Credential strip ---------- */
.cred-strip {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
  padding: 26px 0;
  border-top: 1px solid #E3E7EB;
  border-bottom: 1px solid #E3E7EB;
}
.cred-strip .cred { display: flex; align-items: baseline; gap: 8px; }
.cred-strip .cred b { font-family: var(--font-head); color: var(--navy-2); font-size: 15px; }
.cred-strip .cred span { color: var(--slate); font-size: 13.5px; }

/* ---------- Handoff / cross-link panel ---------- */
.handoff {
  border-radius: 14px;
  background: linear-gradient(120deg, var(--navy-2), var(--navy));
  color: var(--white);
  padding: 50px 46px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
  border: 1px solid var(--line);
}
.handoff h3 { color: var(--white); font-size: 24px; margin-bottom: 8px; }
.handoff p { color: #AEBBC7; max-width: 480px; margin-bottom: 0; }

/* ---------- Footer ---------- */
footer.site-footer {
  background: var(--navy);
  color: #8FA0B3;
  padding: 50px 0 30px;
  border-top: 1px solid var(--line);
}
footer.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 24px;
}
footer.site-footer a { color: #C7D2DC; }
footer.site-footer a:hover { color: var(--accent-2); }
.footer-links { display: flex; gap: 26px; flex-wrap: wrap; font-size: 14px; }
.footer-bottom {
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  color: #62748A;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- Utility ---------- */
.mono { font-family: var(--font-mono); }
.center { text-align: center; margin-left: auto; margin-right: auto; }

/* ---------- Page hero (inner pages) ---------- */
.page-hero {
  background: radial-gradient(ellipse at top right, #17293C 0%, var(--navy) 55%, #0A121C 100%);
  color: var(--white);
  padding: 64px 0 56px;
  border-bottom: 1px solid var(--line);
}
.breadcrumb {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: #8FA0B3;
  margin-bottom: 18px;
  letter-spacing: 0.03em;
}
.breadcrumb a { color: #C7D2DC; }
.breadcrumb a:hover { color: var(--accent-2); }
.page-hero h1 { color: var(--white); font-size: 38px; max-width: 720px; margin-bottom: 14px; }
.page-hero .lede { font-size: 17px; color: #AEBBC7; max-width: 620px; margin-bottom: 0; }

/* ---------- Detail rows (service / component breakdowns) ---------- */
.detail-row {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 40px;
  padding: 40px 0;
  border-top: 1px solid #E3E7EB;
}
.detail-row:last-child { border-bottom: 1px solid #E3E7EB; }
.detail-row .detail-label .num { font-family: var(--font-mono); font-size: 12px; color: var(--accent); letter-spacing: 0.05em; display: block; margin-bottom: 10px; }
.detail-row .detail-label h3 { font-size: 21px; margin-bottom: 0; }
.detail-row .detail-body p { font-size: 15.5px; color: var(--slate); }
.detail-row .detail-body ul { margin: 0 0 1em; padding-left: 20px; color: var(--slate); font-size: 15px; }
.detail-row .detail-body li { margin-bottom: 6px; }

/* ---------- Callout box ---------- */
.callout {
  background: var(--paper);
  border-left: 3px solid var(--accent);
  border-radius: 4px;
  padding: 22px 26px;
  margin: 8px 0 0;
}
.callout p { margin-bottom: 0; font-size: 15px; color: #33404C; }
.callout.dark {
  background: var(--navy-2);
  border-left-color: var(--accent-2);
}
.callout.dark p { color: #C7D2DC; }

/* ---------- Team / person card ---------- */
.person {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 26px 0;
  border-top: 1px solid #E3E7EB;
}
.person:last-child { border-bottom: 1px solid #E3E7EB; }
.person .avatar {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--steel), var(--navy-2));
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  color: var(--white); font-family: var(--font-head); font-weight: 700; font-size: 18px;
}
.person h4 { font-size: 17px; margin-bottom: 2px; }
.person .role { font-family: var(--font-mono); font-size: 12px; color: var(--accent); text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 8px; display: block; }
.person p { font-size: 14.5px; color: var(--slate); margin-bottom: 0; }

/* ---------- Forms (Business Inquiry) ---------- */
.form-panel {
  background: var(--white);
  border: 1px solid #E3E7EB;
  border-radius: 14px;
  padding: 42px 44px;
  max-width: 760px;
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px 24px;
}
.form-field { display: flex; flex-direction: column; gap: 8px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--slate);
}
.form-field label .req { color: var(--accent); }
.form-field input[type="text"],
.form-field input[type="email"],
.form-field input[type="tel"],
.form-field select,
.form-field textarea {
  font-family: var(--font-body);
  font-size: 15px;
  color: #1B2530;
  background: var(--paper);
  border: 1px solid #D7DCE1;
  border-radius: var(--radius);
  padding: 12px 14px;
  width: 100%;
  transition: border-color .15s ease, background .15s ease;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--white);
}
.form-field textarea { resize: vertical; min-height: 110px; }
.form-field .file-input {
  font-family: var(--font-body);
  font-size: 13.5px;
  color: var(--slate);
  background: var(--paper);
  border: 1px dashed #C7CFD6;
  border-radius: var(--radius);
  padding: 14px;
}
.form-note {
  font-size: 13px;
  color: var(--slate);
  margin-top: 6px;
}
.form-submit-row {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 6px;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  nav.primary-nav { display: none; }
  .hero h1 { font-size: 34px; }
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .handoff { flex-direction: column; align-items: flex-start; }
  section { padding: 60px 0; }
  .detail-row { grid-template-columns: 1fr; gap: 14px; }
  .page-hero h1 { font-size: 28px; }
  .form-grid { grid-template-columns: 1fr; }
  .form-panel { padding: 30px 24px; }
}

/* =========================================================
   RIDGEBACK GLOBAL — company site additions
   ========================================================= */

/* ---------- Founder block ---------- */
.founder { display: grid; grid-template-columns: 132px 1fr; gap: 26px; align-items: start; }
.founder .portrait {
  width: 132px; height: 168px; border-radius: 8px;
  /* gradient is the fallback: if the photo is absent this reads as an
     intentional tile rather than a broken-image icon */
  background-color: var(--navy-2);
  background-image:
    linear-gradient(150deg, rgba(44,66,87,.9), rgba(19,32,46,.95)),
    url("nathan-anderson.jpg");
  background-blend-mode: normal, luminosity;
  background-size: cover, cover;
  background-position: center, center top;
  border: 1px solid var(--line);
  box-shadow: 0 6px 20px rgba(0,0,0,.28);
}
/* once the photo is present, let it show at full strength */
.founder .portrait.has-photo {
  background-image: url("nathan-anderson.jpg");
  background-size: cover;
}
.founder h3 { font-size: 22px; margin-bottom: 4px; }
.founder .role {
  font-family: var(--font-mono); font-size: 12.5px; color: var(--accent);
  text-transform: uppercase; letter-spacing: .04em; display: block; margin-bottom: 14px;
}

/* ---------- Patent / legal callout ---------- */
.patent {
  background: var(--navy-2); border-left: 3px solid var(--accent-2);
  border-radius: 6px; padding: 22px 26px;
}
.patent .lbl {
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .06em;
  text-transform: uppercase; color: var(--accent-2); display: block; margin-bottom: 8px;
}
.patent p { color: #C7D2DC; margin: 0; font-size: 15px; }
.patent .num { font-family: var(--font-mono); color: var(--white); font-size: 16px; }

/* ---------- OS pipeline ---------- */
.os-flow { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 6px; }
.os-step {
  background: var(--paper); border: 1px solid #E3E7EB; border-radius: 6px;
  padding: 10px 14px; font-size: 13px; font-family: var(--font-mono); color: var(--navy-2);
}
.os-arrow { color: var(--accent); font-weight: 700; font-size: 15px; }

/* ---------- Closing CTA band ---------- */
.cta-band {
  text-align: center; padding: 48px 40px; border-radius: 14px;
  background: linear-gradient(120deg, var(--navy-2), var(--navy));
  color: var(--white); border: 1px solid var(--line);
}
.cta-band h3 { color: var(--white); font-size: 26px; margin-bottom: 10px; }
.cta-band p { color: #AEBBC7; max-width: 540px; margin: 0 auto 24px; }

/* ---------- Scope note (capability-not-past-performance) ---------- */
.scope-note {
  border: 1px dashed #C7CFD6; border-radius: 8px; padding: 18px 22px;
  background: var(--paper); margin-bottom: 34px;
}
.scope-note p { margin: 0; font-size: 14.5px; color: var(--slate); }

@media (max-width: 900px) {
  .founder { grid-template-columns: 1fr; gap: 16px; }
  .cta-band { padding: 34px 22px; }
}

/* =========================================================
   NODE FIELD — decorative network texture on dark surfaces.
   Deterministic SVG (38 nodes / 79 links) inlined as a data URI:
   zero extra HTTP requests, no external asset to go missing.
   Purely decorative -- pointer-events:none, sits behind content.
   ========================================================= */

.hero, .page-hero, .cta-band { position: relative; overflow: hidden; }

.hero::before,
.page-hero::before,
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("netfield.svg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: .9;
  pointer-events: none;
  z-index: 0;
}

/* vignette so the field fades out toward the edges */
.hero::after,
.page-hero::after,
.cta-band::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 42%,
              rgba(13,24,38,0) 0%,
              rgba(13,24,38,.45) 66%,
              rgba(13,24,38,.88) 100%);
  pointer-events: none;
  z-index: 0;
}

/* real content always rides above the decorative layers */
.hero > .wrap,
.page-hero > .wrap,
.cta-band > * { position: relative; z-index: 1; }