/* IronCore Systems — site design system
   Derived from the document brand system: gunmetal + copper, Barlow Condensed / IBM Plex.
   Dark industrial base per existing site identity. */

:root {
  --ink: #16191d;
  --panel: #1e2226;
  --gunmetal: #4a4f54;
  --steel: #7d838a;
  --line: #3a3f45;
  --copper: #b0722e;
  --copper-dim: #96591f;
  --paper: #e8eaec;
  --bright: #ffffff;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "IBM Plex Sans", "Segoe UI", Arial, sans-serif;
  background: var(--ink);
  color: var(--paper);
  font-size: 17px;
  line-height: 1.6;
}

.mono {
  font-family: "IBM Plex Mono", Consolas, monospace;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.72rem;
  color: var(--copper);
}

/* ---------- Nav ---------- */
header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 40px;
  background: linear-gradient(180deg, rgba(22,25,29,0.92), rgba(22,25,29,0.75) 70%, transparent);
  backdrop-filter: blur(6px);
}
.brand {
  font-family: "Barlow Condensed", "Arial Narrow", sans-serif;
  font-weight: 700; font-size: 1.5rem; letter-spacing: 0.06em;
  color: var(--bright); text-transform: uppercase; text-decoration: none;
}
.brand span { color: var(--copper); }
.brand { display: inline-flex; align-items: center; gap: 11px; }
.brand .mk { height: 25px; width: auto; color: #c9954a; flex: none;
  filter: drop-shadow(0 0 3px rgba(201,149,74,0.55)) drop-shadow(0 0 9px rgba(176,114,46,0.35)); }
.brand b { font-weight: inherit; }
nav a {
  font-family: "IBM Plex Mono", Consolas, monospace;
  font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--paper); text-decoration: none; margin-left: 32px;
}
nav a:hover { color: var(--copper); }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 92vh;
  display: flex; align-items: center; justify-content: center;
  background-size: cover; background-position: center;
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(22,25,29,0.55), rgba(22,25,29,0.75));
}
.titleblock {
  position: relative; z-index: 2;
  border: 2px solid var(--paper);
  border-top: 6px solid var(--copper);
  background: rgba(22,25,29,0.72);
  padding: 44px 56px 36px;
  max-width: 760px; margin: 0 24px;
}
.titleblock .eyebrow { margin-bottom: 14px; display: block; }
.titleblock h1 {
  font-family: "Barlow Condensed", "Arial Narrow", sans-serif;
  font-weight: 700; font-size: clamp(2.6rem, 6vw, 4.2rem);
  line-height: 1; letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--bright);
}
.titleblock .role {
  font-family: "Barlow Condensed", "Arial Narrow", sans-serif;
  font-weight: 500; font-size: clamp(1.05rem, 2.2vw, 1.35rem);
  letter-spacing: 0.09em; text-transform: uppercase;
  color: var(--paper); margin-top: 10px;
}
.titleblock .contactrow {
  display: flex; gap: 34px; flex-wrap: wrap;
  border-top: 1px solid var(--line); margin-top: 26px; padding-top: 18px;
}
.contactrow .cell .lbl {
  display: block; font-family: "IBM Plex Mono", monospace;
  font-size: 0.6rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--steel); margin-bottom: 3px;
}
.contactrow .cell .val {
  font-family: "IBM Plex Mono", monospace; font-size: 0.85rem; color: var(--paper);
}

/* ---------- Stat band ---------- */
.stats {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 0; border-left: 6px solid var(--copper);
  background: #1b1f24;
}
.stat { padding: 34px 38px; border-right: 1px solid var(--line); }
.stat .n {
  font-family: "Barlow Condensed", "Arial Narrow", sans-serif;
  font-weight: 700; font-size: 2.6rem; color: var(--bright); line-height: 1;
}
.stat .d {
  font-family: "IBM Plex Mono", monospace; font-size: 0.68rem;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--steel);
  margin-top: 8px;
}

/* ---------- Sections ---------- */
section { padding: 90px 40px; max-width: 1180px; margin: 0 auto; }
.sechead {
  display: flex; align-items: center; gap: 14px; margin-bottom: 34px;
}
.sechead .tick { color: var(--copper); font-size: 0.9rem; }
.sechead h2 {
  font-family: "Barlow Condensed", "Arial Narrow", sans-serif;
  font-weight: 600; font-size: 2rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--bright); white-space: nowrap;
}
.sechead::after { content: ""; flex: 1; border-top: 1px solid var(--gunmetal); }

.lead { max-width: 70ch; color: var(--paper); }
.lead + .lead { margin-top: 18px; }

/* ---------- Cards ---------- */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 26px; margin-top: 40px; }
.card {
  border: 1px solid var(--line); border-top: 4px solid var(--copper-dim);
  background: #1b1f24; padding: 30px 30px 26px;
}
.card h3 {
  font-family: "Barlow Condensed", "Arial Narrow", sans-serif;
  font-weight: 600; font-size: 1.3rem; letter-spacing: 0.05em;
  text-transform: uppercase; color: var(--bright); margin-bottom: 4px;
}
.card .sub {
  font-family: "IBM Plex Mono", monospace; font-size: 0.68rem;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--copper);
  margin-bottom: 14px;
}
.card p { font-size: 0.95rem; color: #c7cbcf; }

/* ---------- CTA / footer ---------- */
.cta {
  text-align: center; border: 1px solid var(--line);
  border-top: 4px solid var(--copper); background: #1b1f24;
  padding: 60px 30px; margin-top: 20px;
}
.cta h2 {
  font-family: "Barlow Condensed", "Arial Narrow", sans-serif;
  font-weight: 600; font-size: 1.9rem; letter-spacing: 0.07em;
  text-transform: uppercase; color: var(--bright);
}
.btn {
  display: inline-block; margin-top: 26px; padding: 14px 38px;
  font-family: "IBM Plex Mono", monospace; font-size: 0.8rem;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink); background: var(--copper); text-decoration: none;
}
.btn:hover { background: var(--bright); }

footer {
  border-top: 1px solid var(--line); padding: 30px 40px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-family: "IBM Plex Mono", monospace; font-size: 0.68rem;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--steel);
}

@media (max-width: 640px) {
  header { padding: 14px 20px; }
  nav a { margin-left: 16px; }
  section { padding: 60px 20px; }
  .titleblock { padding: 30px 26px 26px; }
}

/* ---------- Image band ---------- */
.imgband { display: grid; grid-template-columns: 1fr 1fr; height: 340px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.imgband div { background-size: cover; background-position: center; filter: saturate(0.75) brightness(0.85); }
@media (max-width: 640px) { .imgband { grid-template-columns: 1fr; height: 380px; } }

/* ---------- Interior pages ---------- */
.pagehead { padding: 150px 40px 30px; max-width: 1180px; margin: 0 auto; }
.pagehead h1 { font-family: "Barlow Condensed", "Arial Narrow", sans-serif; font-weight: 700; font-size: clamp(2.2rem, 5vw, 3.4rem); letter-spacing: 0.03em; text-transform: uppercase; color: var(--bright); line-height: 1.02; }
.pagehead .mono { display: block; margin-bottom: 12px; }

.svc { border-top: 1px solid var(--line); padding: 34px 0; display: grid; grid-template-columns: 320px 1fr; gap: 30px; }
.svc h3 { font-family: "Barlow Condensed", "Arial Narrow", sans-serif; font-weight: 600; font-size: 1.4rem; letter-spacing: 0.05em; text-transform: uppercase; color: var(--bright); }
.svc .sub { font-family: "IBM Plex Mono", monospace; font-size: 0.66rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--copper); margin-top: 4px; }
.svc ul { list-style: none; }
.svc li { padding-left: 18px; position: relative; margin-bottom: 8px; font-size: 0.95rem; color: #c7cbcf; }
.svc li::before { content: ""; position: absolute; left: 0; top: 0.62em; width: 8px; height: 2px; background: var(--copper); }
@media (max-width: 760px) { .svc { grid-template-columns: 1fr; gap: 12px; } }

.split { display: grid; grid-template-columns: 44% 56%; min-height: 100vh; }
.split .visual { position: sticky; top: 0; height: 100vh; background-size: cover; background-position: center; filter: saturate(0.75) brightness(0.85); }
.split .content { border-left: 4px solid var(--copper); padding: 150px 60px 80px; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } .split .visual { position: relative; height: 320px; } .split .content { padding: 50px 24px; border-left: none; border-top: 4px solid var(--copper); } }

form .frow { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
form label { display: block; font-family: "IBM Plex Mono", monospace; font-size: 0.62rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--steel); margin: 22px 0 6px; }
form input, form textarea { width: 100%; background: #1b1f24; border: 1px solid var(--line); color: var(--paper); font-family: "IBM Plex Sans", sans-serif; font-size: 1rem; padding: 12px 14px; }
form input:focus, form textarea:focus { outline: 2px solid var(--copper); border-color: var(--copper); }
form button { margin-top: 28px; padding: 14px 44px; font-family: "IBM Plex Mono", monospace; font-size: 0.8rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink); background: var(--copper); border: none; cursor: pointer; }
form button:hover { background: var(--bright); }

/* ---------- Card thumbnails ---------- */
.card .thumb { height: 160px; margin: -30px -30px 20px; background-size: cover; background-position: center; filter: saturate(0.7) brightness(0.82) contrast(1.05); border-bottom: 1px solid var(--line); }
.credits { max-width: 1180px; margin: 0 auto; padding: 0 40px 40px; font-family: "IBM Plex Mono", monospace; font-size: 0.6rem; letter-spacing: 0.08em; color: #6a7076; }
.credits a { color: inherit; }