/* =========================================================================
   CGC PLM — cgcplm.com
   The technical expression of the same engineering-blueprint system used on
   cgconsultancy.tech — more blueprint linework, layered diagrams, red as a
   signal colour rather than decoration. Mobile-first.
   ========================================================================= */

:root {
  --canvas: #37455a;
  --canvas-deep: #232c3a;
  --canvas-light: #47576e;
  --paper: #f4f6f8;
  --paper-deep: #e2e8ee;
  --red: #e2392b;
  --red-dim: #b52c21;
  --ink: #eef1f5;
  --ink-dim: #a9b6c6;
  --ink-on-paper: #1f2733;
  --ink-on-paper-dim: #57667a;
  --line: rgba(238, 241, 245, 0.16);
  --line-strong: rgba(238, 241, 245, 0.36);
  --line-on-paper: rgba(31, 39, 51, 0.14);
  --line-on-paper-strong: rgba(31, 39, 51, 0.32);

  --font-display: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  --font-mono: "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;

  --maxw: 1200px;
  --gutter: clamp(20px, 5vw, 64px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
::selection { background: var(--red); color: #fff; }
img { max-width: 100%; display: block; }
a { color: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 3px;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  margin: 0;
  text-wrap: balance;
  letter-spacing: -0.01em;
}
p { margin: 0 0 16px; }
p:last-child { margin-bottom: 0; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding-left: var(--gutter); padding-right: var(--gutter); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--red);
  margin: 0 0 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before { content: ""; width: 22px; height: 1px; background: var(--red); display: inline-block; }

/* ---------- blueprint grid texture, used more liberally on this site ---------- */
.grid-texture {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  pointer-events: none;
}

/* ---------- drawing-sheet corner frame ---------- */
.frame { position: relative; border: 1px solid var(--line-strong); }
.frame::before, .frame::after { content: ""; position: absolute; width: 16px; height: 16px; pointer-events: none; }
.frame::before { top: -1px; left: -1px; border-top: 1.5px solid var(--red); border-left: 1.5px solid var(--red); }
.frame::after { bottom: -1px; right: -1px; border-bottom: 1.5px solid var(--red); border-right: 1.5px solid var(--red); }
.frame-paper { border-color: var(--line-on-paper-strong); }

/* ---------- current/future tag ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 9px;
  border: 1px solid currentColor;
}
.tag--live { color: #7fb88f; }
.tag--future { color: #c9b25a; }
.tag--live::before { content: "●"; font-size: 8px; }
.tag--future::before { content: "○"; font-size: 8px; }

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(35, 44, 58, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; gap: 22px; padding-top: 12px; padding-bottom: 12px; }
.logo-lockup { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo-mark-svg { height: 145px; width: auto; display: block; }
.login-panel .logo-mark-svg { width: 196px; height: auto; display: block; }

.nav-links { display: none; gap: 22px; list-style: none; margin: 0; padding: 0; font-size: 14px; }
.nav-links a { text-decoration: none; color: var(--ink-dim); padding: 4px 0; border-bottom: 1px solid transparent; white-space: nowrap; transition: color 0.15s, border-color 0.15s; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--ink); border-color: var(--red); }
@media (min-width: 960px) { .nav-links { display: flex; align-items: center; } }

.header-right { display: flex; align-items: center; gap: 12px; margin-left: auto; }
.login-btn {
  display: none;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--red);
  border: 1px solid var(--red);
  padding: 8px 13px;
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
}
.login-btn:hover { background: var(--red); color: #fff; }
@media (min-width: 640px) { .login-btn { display: inline-flex; } }

.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: none;
  border: 1px solid var(--line-strong);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 8px 12px;
  cursor: pointer;
}
@media (min-width: 960px) { .nav-toggle { display: none; } }

.mobile-nav { display: none; border-bottom: 1px solid var(--line); background: var(--canvas-deep); }
.mobile-nav.is-open { display: block; }
.mobile-nav ul { list-style: none; margin: 0; padding: 10px var(--gutter) 20px; display: flex; flex-direction: column; gap: 4px; }
.mobile-nav a { display: block; padding: 10px 0; text-decoration: none; color: var(--ink-dim); border-bottom: 1px solid var(--line); font-size: 15px; }
.mobile-nav a:hover { color: var(--ink); }
@media (min-width: 960px) { .mobile-nav { display: none !important; } }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14.5px;
  padding: 13px 22px;
  text-decoration: none;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-arrow { font-family: var(--font-mono); }
.btn--primary { background: var(--red); border-color: var(--red); color: #fff; }
.btn--primary:hover { background: #ff4a3a; border-color: #ff4a3a; }
.btn--outline { border-color: var(--line-strong); color: var(--ink); background: transparent; }
.btn--outline:hover { border-color: var(--red); color: var(--red); }
.btn--outline-paper { border-color: var(--line-on-paper-strong); color: var(--ink-on-paper); background: transparent; }
.btn--outline-paper:hover { border-color: var(--red); color: var(--red); }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }

/* ---------- sections ---------- */
section { padding: clamp(56px, 9vw, 108px) 0; }
.section--paper { background: var(--paper); color: var(--ink-on-paper); }
.section--canvas { background: var(--canvas); }
.section--deep { background: var(--canvas-deep); }
.section-head { max-width: 740px; margin: 0 0 44px; }
.section-head h2 { font-size: clamp(26px, 3.4vw, 38px); }
.section-lede { font-size: 18px; margin-top: 14px; }
.section--canvas .section-lede, .section--deep .section-lede { color: var(--ink-dim); }
.section--paper .section-lede { color: var(--ink-on-paper-dim); }

/* ---------- hero ---------- */
.hero {
  position: relative;
  padding-top: clamp(70px, 12vw, 130px);
  padding-bottom: clamp(60px, 10vw, 110px);
  overflow: hidden;
  background: radial-gradient(ellipse 900px 500px at 85% -10%, rgba(226, 57, 43, 0.18), transparent 60%), var(--canvas);
}
.hero-inner { position: relative; z-index: 1; max-width: 820px; }
.hero h1 { font-size: clamp(32px, 5.2vw, 56px); line-height: 1.08; }
.hero h1 em { font-style: normal; color: var(--red); }
.hero-sub { font-size: clamp(17px, 2vw, 20px); color: var(--ink-dim); margin-top: 20px; max-width: 66ch; }
.hero-meta { display: flex; gap: 20px; margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--line); font-family: var(--font-mono); font-size: 11.5px; color: var(--ink-dim); letter-spacing: 0.04em; flex-wrap: wrap; }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } }

/* ---------- grids & cards ---------- */
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
.grid-4 { grid-template-columns: 1fr; }
.grid-6 { grid-template-columns: 1fr; }
@media (min-width: 720px) { .grid-2 { grid-template-columns: 1fr 1fr; } .grid-4 { grid-template-columns: 1fr 1fr; } .grid-6 { grid-template-columns: 1fr 1fr; } }
@media (min-width: 900px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } .grid-4 { grid-template-columns: repeat(4, 1fr); } .grid-6 { grid-template-columns: repeat(3, 1fr); } }

.card { padding: 26px 24px; border: 1px solid var(--line-strong); position: relative; }
.section--paper .card { border-color: var(--line-on-paper-strong); background: #fff; }
.card .num { font-family: var(--font-mono); font-size: 12px; color: var(--red); letter-spacing: 0.06em; }
.card h3 { font-size: 18px; margin: 10px 0 10px; }
.card p { font-size: 15px; }
.section--canvas .card p, .section--deep .card p { color: var(--ink-dim); }
.section--paper .card p { color: var(--ink-on-paper-dim); }
.card .tag { margin-top: 14px; }

/* ---------- layer stack diagram (architecture) ---------- */
.layer-stack { display: flex; flex-direction: column; gap: 2px; }
.layer {
  border: 1px solid var(--line-on-paper-strong);
  padding: 20px 22px;
  background: #fff;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
@media (min-width: 760px) { .layer { grid-template-columns: 220px 1fr 260px; align-items: center; } }
.layer .layer-name { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--red); }
.layer .layer-name .full { display: block; font-family: var(--font-display); font-size: 17px; text-transform: none; letter-spacing: 0; color: var(--ink-on-paper); margin-top: 4px; }
.layer p { font-size: 14.5px; color: var(--ink-on-paper-dim); margin: 0; }
.layer .layer-ex { font-family: var(--font-mono); font-size: 12px; color: var(--ink-on-paper-dim); }
.layer--judgement { border-color: var(--red); box-shadow: inset 3px 0 0 var(--red); }
.layer-connector { display: flex; justify-content: center; padding: 2px 0; }
.layer-connector svg { display: block; }

/* ---------- capability map ---------- */
.cap-card { border: 1px solid var(--line-on-paper-strong); background: #fff; padding: 24px; display: flex; flex-direction: column; gap: 10px; }
.cap-card .cap-idx { font-family: var(--font-mono); font-size: 12px; color: var(--red); }
.cap-card h3 { font-size: 17.5px; }
.cap-card p { font-size: 14.5px; color: var(--ink-on-paper-dim); }
.cap-card .cap-discovery { font-family: var(--font-mono); font-size: 11px; color: var(--ink-on-paper-dim); letter-spacing: 0.04em; text-transform: uppercase; border-top: 1px solid var(--line-on-paper); padding-top: 10px; margin-top: 4px; }

/* ---------- pull statement ---------- */
.pull { font-family: var(--font-display); font-weight: 700; font-size: clamp(22px, 3vw, 32px); line-height: 1.3; max-width: 860px; text-wrap: balance; }
.pull .accent { color: var(--red); }

/* ---------- CTA band ---------- */
.cta-band { text-align: center; padding: clamp(60px, 10vw, 100px) 0; background: var(--canvas-deep); position: relative; }
.cta-band h2 { font-size: clamp(26px, 3.6vw, 40px); max-width: 800px; margin: 0 auto; }
.cta-band .btn-row { justify-content: center; }

/* ---------- footer ---------- */
.site-footer { background: var(--canvas-deep); border-top: 1px solid var(--line); padding-top: 56px; }
.footer-top { display: grid; gap: 40px; grid-template-columns: 1fr; padding-bottom: 40px; }
@media (min-width: 720px) { .footer-top { grid-template-columns: 1.4fr 1fr 1fr 1fr; } }
.footer-brand p { color: var(--ink-dim); font-size: 14.5px; max-width: 34ch; margin-top: 14px; }
.footer-col h4 { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-dim); margin-bottom: 14px; }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { text-decoration: none; color: var(--ink); font-size: 14.5px; }
.footer-col a:hover { color: var(--red); }
.footer-bar { border-top: 1px solid var(--line); padding: 18px 0; display: flex; flex-wrap: wrap; gap: 10px 24px; justify-content: space-between; font-family: var(--font-mono); font-size: 11px; color: var(--ink-dim); letter-spacing: 0.04em; }

/* ---------- page furniture ---------- */
.page-hero { padding-top: clamp(56px, 10vw, 96px); padding-bottom: clamp(40px, 7vw, 64px); background: var(--canvas); border-bottom: 1px solid var(--line); position: relative; overflow: hidden; }
.page-hero h1 { font-size: clamp(28px, 4.2vw, 44px); max-width: 860px; position: relative; z-index: 1; }
.page-hero .section-lede { color: var(--ink-dim); max-width: 66ch; position: relative; z-index: 1; }
.page-hero .crumbs, .page-hero .eyebrow { position: relative; z-index: 1; }

.two-col { display: grid; gap: 40px; grid-template-columns: 1fr; }
@media (min-width: 860px) { .two-col { grid-template-columns: 1fr 1fr; align-items: start; } }

.crumbs { font-family: var(--font-mono); font-size: 11.5px; color: var(--ink-dim); letter-spacing: 0.04em; margin-bottom: 18px; }
.crumbs a { color: var(--ink-dim); text-decoration: none; }
.crumbs a:hover { color: var(--red); }

.list-check { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.list-check li { padding-left: 26px; position: relative; font-size: 15.5px; }
.list-check li::before { content: "—"; position: absolute; left: 0; color: var(--red); font-family: var(--font-mono); }

.approval-note { border-left: 3px solid var(--red); padding: 14px 18px; background: rgba(226, 57, 43, 0.06); font-size: 14px; color: var(--ink-on-paper-dim); }
.section--canvas .approval-note, .section--deep .approval-note { color: var(--ink-dim); background: rgba(226, 57, 43, 0.1); }

svg.diagram { width: 100%; height: auto; display: block; }
.diagram text { font-family: "SF Mono", monospace; }

.resource-card { border: 1px solid var(--line-on-paper-strong); background: #fff; padding: 26px; display: flex; flex-direction: column; gap: 12px; }
.resource-card .meta { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-on-paper-dim); display: flex; gap: 10px; }
.resource-card h3 { font-size: 18px; }
.resource-card p { font-size: 14.5px; color: var(--ink-on-paper-dim); }

.login-panel { border: 1px solid var(--line-on-paper-strong); background: #fff; padding: clamp(28px, 5vw, 44px); max-width: 520px; }
.login-panel h2 { font-size: 24px; margin-bottom: 12px; color: var(--ink-on-paper); }
.login-panel p { color: var(--ink-on-paper-dim); font-size: 15px; }
.login-panel .support-links { margin-top: 26px; padding-top: 22px; border-top: 1px solid var(--line-on-paper); display: flex; flex-direction: column; gap: 8px; font-size: 14px; }
.login-panel .support-links a { color: var(--red); text-decoration: underline; }

.table-wrap { overflow-x: auto; border: 1px solid var(--line-on-paper-strong); }
table.spec { width: 100%; border-collapse: collapse; font-size: 14.5px; min-width: 560px; background: #fff; }
table.spec th { text-align: left; font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-on-paper-dim); background: var(--paper-deep); padding: 12px 16px; border-bottom: 1px solid var(--line-on-paper-strong); white-space: nowrap; }
table.spec td { padding: 13px 16px; border-bottom: 1px solid var(--line-on-paper); vertical-align: top; color: var(--ink-on-paper); }
table.spec tr:last-child td { border-bottom: none; }