/* ==========================================================================
   Goldcattle — Custom Aircraft Precision Components
   Container scope: .gc-ac   (100% scoped — no global / theme leakage)
   Visual language: aviation navy + titanium grey + cyan precision accent,
   blueprint-grid motif, engineering-catalog component cards.
   ========================================================================== */

.gc-ac{
  --ac-ink:#0b1c30;
  --ac-ink-2:#0f2740;
  --ac-blue:#0052cc;
  --ac-blue-d:#003e99;
  --ac-cyan:#0e7c96;
  --ac-ti:#64748b;
  --ac-line:#e2e8f0;
  --ac-line-2:#eef3f8;
  --ac-soft:#f6f9fc;
  --ac-warn:#b45309;
  --ac-ok:#0f766e;
  --ac-r:14px;
  --ac-r-s:9px;
  color:#1a2733;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  font-size:16px;
  line-height:1.72;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
.gc-ac *,.gc-ac *::before,.gc-ac *::after{box-sizing:border-box;}
.gc-ac img{max-width:100%;height:auto;display:block;}
.gc-ac p{margin:0 0 1.05em;}
.gc-ac p:last-child{margin-bottom:0;}
.gc-ac a{color:var(--ac-blue);text-decoration:none;}
.gc-ac a:hover{text-decoration:underline;}
.gc-ac ul,.gc-ac ol{margin:0 0 1.05em;padding-left:1.25em;}
.gc-ac li{margin:.35em 0;}
.gc-ac strong{color:var(--ac-ink);font-weight:650;}

.gc-ac-wrap{max-width:1140px;margin:0 auto;padding:0 22px;}
.gc-ac-sec{padding:68px 0;}
.gc-ac-sec--soft{background:var(--ac-soft);border-top:1px solid var(--ac-line-2);border-bottom:1px solid var(--ac-line-2);}
.gc-ac-sec--tight{padding:52px 0;}

/* ---------- section headers ---------- */
.gc-ac-eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--ac-cyan);margin:0 0 14px;
}
.gc-ac-eyebrow::before{content:"";width:22px;height:3px;background:var(--ac-cyan);border-radius:2px;}
.gc-ac-h2{
  font-size:clamp(23px,3.1vw,32px);line-height:1.22;color:var(--ac-ink);
  font-weight:750;letter-spacing:-.015em;margin:0 0 14px;
}
.gc-ac-lead{font-size:17.5px;color:#3d4c5c;max-width:820px;}
.gc-ac-head{max-width:860px;margin-bottom:38px;}

/* ---------- hero ---------- */
.gc-ac-hero{
  position:relative;overflow:hidden;
  background:
    linear-gradient(122deg,#081627 0%,#0d2340 52%,#123154 100%);
  color:#e6eef8;
  padding:74px 0 64px;
}
.gc-ac-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:
    linear-gradient(rgba(120,170,220,.10) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,170,220,.10) 1px,transparent 1px);
  background-size:46px 46px;
  -webkit-mask-image:radial-gradient(120% 90% at 78% 8%,#000 0%,transparent 72%);
          mask-image:radial-gradient(120% 90% at 78% 8%,#000 0%,transparent 72%);
}
.gc-ac-hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:440px;height:440px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,163,196,.30),transparent 68%);pointer-events:none;
}
.gc-ac-hero__inner{position:relative;z-index:2;display:grid;grid-template-columns:1.08fr .92fr;gap:46px;align-items:center;}
.gc-ac-hero__eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:#6fd0e6;
  padding:7px 13px;border:1px solid rgba(111,208,230,.42);border-radius:999px;margin:0 0 20px;
}
.gc-ac-hero__eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:#6fd0e6;}
.gc-ac-hero__title{
  font-size:clamp(28px,3.9vw,42px);line-height:1.14;font-weight:780;letter-spacing:-.02em;
  color:#fff;margin:0 0 18px;
}
.gc-ac-hero__lead{font-size:17px;color:#c3d4e6;max-width:560px;margin:0 0 24px;}
.gc-ac-hero__pts{list-style:none;padding:0;margin:0 0 26px;display:grid;gap:9px;}
.gc-ac-hero__pts li{position:relative;padding-left:26px;color:#d8e5f2;font-size:15.5px;margin:0;}
.gc-ac-hero__pts li::before{
  content:"";position:absolute;left:0;top:.52em;width:13px;height:13px;
  border:2px solid #4fb6d6;border-radius:3px;transform:rotate(45deg);
}
.gc-ac-hero__media{position:relative;}
.gc-ac-hero__media img{border-radius:var(--ac-r);border:1px solid rgba(140,190,230,.28);box-shadow:0 26px 60px rgba(3,12,24,.55);}

.gc-ac-strip{
  position:relative;z-index:2;margin-top:42px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:rgba(150,195,235,.22);border:1px solid rgba(150,195,235,.22);border-radius:var(--ac-r);overflow:hidden;
}
.gc-ac-strip__i{background:rgba(9,26,44,.72);padding:18px 18px 16px;}
.gc-ac-strip__k{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:#6fd0e6;margin:0 0 6px;}
.gc-ac-strip__v{font-size:14.5px;font-weight:600;color:#eaf3fb;margin:0;line-height:1.4;}

/* ---------- buttons ---------- */
.gc-ac-btn{
  display:inline-flex;align-items:center;gap:9px;
  font:inherit;font-weight:700;font-size:15.5px;cursor:pointer;
  padding:14px 26px;border-radius:999px;border:1px solid transparent;
  background:var(--ac-blue);color:#fff;transition:.18s ease;
}
.gc-ac-btn:hover{background:var(--ac-blue-d);transform:translateY(-1px);text-decoration:none;}
.gc-ac-btn--ghost{background:transparent;color:#fff;border-color:rgba(160,205,240,.5);}
.gc-ac-btn--ghost:hover{background:rgba(255,255,255,.08);}
.gc-ac-btn--dark{background:var(--ac-ink);}
.gc-ac-btn--dark:hover{background:#06101d;}
.gc-ac-btn__arw{transition:transform .18s ease;}
.gc-ac-btn:hover .gc-ac-btn__arw{transform:translateX(3px);}

/* ---------- product snapshot ---------- */
.gc-ac-snap{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.gc-ac-snap__card{
  background:#fff;border:1px solid var(--ac-line);border-radius:var(--ac-r);padding:26px 26px 22px;
  border-top:3px solid var(--ac-blue);
}
.gc-ac-snap__card--b{border-top-color:var(--ac-cyan);}
.gc-ac-snap__t{font-size:17px;font-weight:700;color:var(--ac-ink);margin:0 0 10px;}

/* ---------- component cards (taxonomy) ---------- */
.gc-ac-grid{display:grid;gap:18px;}
.gc-ac-grid--4{grid-template-columns:repeat(4,1fr);}
.gc-ac-grid--3{grid-template-columns:repeat(3,1fr);}
.gc-ac-grid--2{grid-template-columns:repeat(2,1fr);}
.gc-ac-card{
  position:relative;background:#fff;border:1px solid var(--ac-line);border-radius:var(--ac-r);
  padding:24px 22px 22px;overflow:hidden;transition:.18s ease;
}
.gc-ac-card::before{
  content:"";position:absolute;left:0;top:0;height:100%;width:4px;
  background:linear-gradient(180deg,var(--ac-cyan),var(--ac-blue));
  transform:scaleY(0);transform-origin:top;transition:transform .22s ease;
}
.gc-ac-card:hover{border-color:#c8d8ea;box-shadow:0 14px 34px rgba(11,28,48,.09);transform:translateY(-2px);}
.gc-ac-card:hover::before{transform:scaleY(1);}
.gc-ac-card__idx{
  font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--ac-ti);
  margin:0 0 10px;font-variant-numeric:tabular-nums;
}
.gc-ac-card__t{font-size:16.5px;font-weight:700;color:var(--ac-ink);margin:0 0 8px;line-height:1.3;}
.gc-ac-card__d{font-size:14.8px;color:#4a5866;margin:0;}

/* ---------- engineering table ---------- */
.gc-ac-tblwrap{border:1px solid var(--ac-line);border-radius:var(--ac-r);overflow:hidden;background:#fff;}
.gc-ac-tbl{width:100%;border-collapse:collapse;font-size:14.8px;}
.gc-ac-tbl caption{caption-side:top;text-align:left;font-size:13px;color:var(--ac-ti);padding:14px 18px 0;}
.gc-ac-tbl th,.gc-ac-tbl td{padding:13px 16px;text-align:left;vertical-align:top;border-bottom:1px solid var(--ac-line-2);}
.gc-ac-tbl thead th{
  background:var(--ac-ink);color:#eaf3fb;font-size:12.5px;font-weight:700;
  letter-spacing:.05em;text-transform:uppercase;border-bottom:none;white-space:nowrap;
}
.gc-ac-tbl tbody tr:nth-child(even){background:#fafcfe;}
.gc-ac-tbl tbody tr:last-child td{border-bottom:none;}
.gc-ac-tbl__fam{font-weight:700;color:var(--ac-ink);}
.gc-ac-tbl__mat{color:var(--ac-cyan);font-weight:600;}

/* ---------- figures ---------- */
.gc-ac-figgrid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.gc-ac-fig{margin:0;}
.gc-ac-fig img{border-radius:var(--ac-r);border:1px solid var(--ac-line);background:#fff;width:100%;}
.gc-ac-fig--wide img{width:100%;}
.gc-ac-fig figcaption{
  font-size:13.5px;color:var(--ac-ti);margin-top:11px;line-height:1.55;
  padding-left:12px;border-left:3px solid var(--ac-line);
}
.gc-ac-fig--tight{margin-top:34px;}

/* ---------- material cards ---------- */
.gc-ac-mat{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.gc-ac-mat__card{
  background:#fff;border:1px solid var(--ac-line);border-radius:var(--ac-r);padding:24px;
  display:grid;grid-template-columns:64px 1fr;gap:18px;align-items:start;
}
.gc-ac-mat__badge{
  width:64px;height:64px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:15px;letter-spacing:.02em;color:#fff;
  background:linear-gradient(150deg,#14375c,#0b1c30);
}
.gc-ac-mat__badge--ti{background:linear-gradient(150deg,#3f5b78,#22374e);}
.gc-ac-mat__badge--ss{background:linear-gradient(150deg,#29506e,#123049);}
.gc-ac-mat__badge--ni{background:linear-gradient(150deg,#7a5a2a,#4a3417);}
.gc-ac-mat__t{font-size:16.5px;font-weight:700;color:var(--ac-ink);margin:0 0 6px;}
.gc-ac-mat__grades{font-size:13.5px;font-weight:600;color:var(--ac-cyan);margin:0 0 9px;}
.gc-ac-mat__d{font-size:14.6px;color:#4a5866;margin:0;}

/* ---------- checklist / notes ---------- */
.gc-ac-notes{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:12px 26px;}
.gc-ac-notes li{position:relative;padding-left:30px;font-size:15.2px;color:#33414f;margin:0;}
.gc-ac-notes li::before{
  content:"";position:absolute;left:0;top:.34em;width:15px;height:15px;
  border:2px solid var(--ac-cyan);border-radius:4px;background:
    linear-gradient(45deg,transparent 42%,var(--ac-cyan) 42%,var(--ac-cyan) 58%,transparent 58%);
}

/* ---------- numbered steps ---------- */
.gc-ac-steps{list-style:none;counter-reset:ac;padding:0;margin:0;display:grid;gap:0;}
.gc-ac-steps li{
  position:relative;counter-increment:ac;padding:0 0 26px 62px;margin:0;
  border-left:2px solid var(--ac-line);margin-left:20px;
}
.gc-ac-steps li:last-child{border-left-color:transparent;padding-bottom:0;}
.gc-ac-steps li::before{
  content:counter(ac,decimal-leading-zero);
  position:absolute;left:-21px;top:-2px;width:42px;height:42px;border-radius:50%;
  background:#fff;border:2px solid var(--ac-cyan);color:var(--ac-ink);
  font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.gc-ac-steps__t{font-size:16px;font-weight:700;color:var(--ac-ink);margin:0 0 5px;padding-top:5px;}
.gc-ac-steps__d{font-size:15px;color:#4a5866;margin:0;}

/* ---------- QC grid ---------- */
.gc-ac-qc{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.gc-ac-qc__i{background:#fff;border:1px solid var(--ac-line);border-left:3px solid var(--ac-cyan);border-radius:var(--ac-r-s);padding:18px 18px 16px;}
.gc-ac-qc__t{font-size:15.2px;font-weight:700;color:var(--ac-ink);margin:0 0 6px;}
.gc-ac-qc__d{font-size:14.2px;color:#4a5866;margin:0;}

/* ---------- documentation / callout ---------- */
.gc-ac-doc{display:grid;grid-template-columns:1.05fr .95fr;gap:30px;align-items:start;}
.gc-ac-callout{
  background:linear-gradient(135deg,#0d2340,#123154);color:#e2edf8;
  border-radius:var(--ac-r);padding:28px;border:1px solid rgba(140,190,230,.24);
}
.gc-ac-callout__t{font-size:16.5px;font-weight:700;color:#fff;margin:0 0 12px;}
.gc-ac-callout ul{list-style:none;padding:0;margin:0;display:grid;gap:10px;}
.gc-ac-callout li{position:relative;padding-left:24px;font-size:14.8px;color:#c9dcee;margin:0;}
.gc-ac-callout li::before{content:"";position:absolute;left:0;top:.5em;width:9px;height:9px;border-radius:2px;background:#4fb6d6;transform:rotate(45deg);}
.gc-ac-callout__note{font-size:13px;color:#9fbcd6;margin:16px 0 0;padding-top:14px;border-top:1px solid rgba(140,190,230,.22);}
.gc-ac-callout__note a{color:#8fd3e6;text-decoration:underline;}
.gc-ac-note{font-size:13.5px;color:var(--ac-ti);max-width:840px;margin:0;}

/* ---------- case example ---------- */
.gc-ac-case{
  background:#fff;border:1px solid var(--ac-line);border-radius:var(--ac-r);overflow:hidden;
  display:grid;grid-template-columns:.92fr 1.08fr;
}
.gc-ac-case__media{position:relative;min-height:260px;}
.gc-ac-case__media img{width:100%;height:100%;object-fit:cover;}
.gc-ac-case__panel{
  background:linear-gradient(150deg,#0d2340,#123154);padding:32px 30px;
  display:flex;flex-direction:column;justify-content:center;gap:18px;
}
.gc-ac-case__panelk{font-size:11.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:#6fd0e6;margin:0;}
.gc-ac-case__flow{list-style:none;padding:0;margin:0;display:grid;gap:13px;}
.gc-ac-case__flow li{position:relative;padding-left:44px;color:#dceaf6;font-size:14.6px;margin:0;min-height:30px;display:flex;align-items:center;}
.gc-ac-case__flow li span{
  position:absolute;left:0;top:0;width:30px;height:30px;border-radius:8px;
  background:rgba(111,208,230,.14);border:1px solid rgba(111,208,230,.42);color:#8fd3e6;
  font-size:11.5px;font-weight:800;display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.gc-ac-case__body{padding:30px;}
.gc-ac-tag{
  display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:var(--ac-warn);background:#fdf6ee;border:1px solid #f2ddc4;border-radius:999px;padding:5px 12px;margin:0 0 14px;
}
.gc-ac-case__t{font-size:19px;font-weight:750;color:var(--ac-ink);margin:0 0 12px;line-height:1.3;}
.gc-ac-case__d{font-size:15px;color:#4a5866;}
.gc-ac-case__meta{list-style:none;padding:0;margin:16px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:8px 20px;}
.gc-ac-case__meta li{font-size:14px;color:#4a5866;margin:0;}
.gc-ac-case__meta b{color:var(--ac-ink);}

/* ---------- cost drivers ---------- */
.gc-ac-cost{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.gc-ac-cost__i{background:#fff;border:1px solid var(--ac-line);border-radius:var(--ac-r-s);padding:20px;}
.gc-ac-cost__t{font-size:15.3px;font-weight:700;color:var(--ac-ink);margin:0 0 7px;}
.gc-ac-cost__d{font-size:14.2px;color:#4a5866;margin:0;}

/* ---------- FAQ ---------- */
.gc-ac-faq{display:grid;gap:12px;}
.gc-ac-faq__item{border:1px solid var(--ac-line);border-radius:var(--ac-r-s);background:#fff;overflow:hidden;}
.gc-ac-faq__item[open]{border-color:#c8d8ea;box-shadow:0 8px 22px rgba(11,28,48,.06);}
.gc-ac-faq__q{
  cursor:pointer;list-style:none;padding:18px 52px 18px 20px;position:relative;
  font-size:15.8px;font-weight:650;color:var(--ac-ink);
}
.gc-ac-faq__q::-webkit-details-marker{display:none;}
.gc-ac-faq__q::after{
  content:"";position:absolute;right:22px;top:50%;width:11px;height:11px;
  border-right:2px solid var(--ac-cyan);border-bottom:2px solid var(--ac-cyan);
  transform:translateY(-70%) rotate(45deg);transition:transform .2s ease;
}
.gc-ac-faq__item[open] .gc-ac-faq__q::after{transform:translateY(-25%) rotate(225deg);}
.gc-ac-faq__a{padding:0 20px 20px;font-size:15px;color:#4a5866;}

/* ---------- CTA ---------- */
.gc-ac-cta{
  position:relative;overflow:hidden;text-align:center;
  background:linear-gradient(122deg,#081627,#123154);color:#e6eef8;padding:66px 0;
}
.gc-ac-cta::before{
  content:"";position:absolute;inset:0;opacity:.45;pointer-events:none;
  background-image:
    linear-gradient(rgba(120,170,220,.10) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,170,220,.10) 1px,transparent 1px);
  background-size:46px 46px;
}
.gc-ac-cta__inner{position:relative;z-index:2;max-width:720px;margin:0 auto;}
.gc-ac-cta__t{font-size:clamp(22px,3vw,30px);font-weight:760;color:#fff;margin:0 0 12px;line-height:1.24;}
.gc-ac-cta__d{font-size:16.5px;color:#c3d4e6;margin:0 0 26px;}
.gc-ac-cta__btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}

/* ---------- related ---------- */
.gc-ac-rel{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.gc-ac-rel__a{
  display:block;background:#fff;border:1px solid var(--ac-line);border-radius:var(--ac-r-s);
  padding:20px;transition:.18s ease;
}
.gc-ac-rel__a:hover{border-color:var(--ac-blue);box-shadow:0 12px 28px rgba(11,28,48,.08);transform:translateY(-2px);text-decoration:none;}
.gc-ac-rel__t{font-size:15.4px;font-weight:700;color:var(--ac-ink);margin:0 0 6px;}
.gc-ac-rel__d{font-size:13.8px;color:var(--ac-ti);margin:0;}

/* ---------- modal (scoped) ---------- */
.gc-ac-modal{position:fixed;inset:0;z-index:99999;display:none;align-items:center;justify-content:center;padding:18px;}
.gc-ac-modal.is-open{display:flex;}
.gc-ac-modal__bd{position:absolute;inset:0;background:rgba(6,16,29,.62);backdrop-filter:blur(2px);}
.gc-ac-modal__bx{
  position:relative;z-index:2;width:min(860px,100%);height:min(86vh,860px);
  background:#fff;border-radius:var(--ac-r);overflow:hidden;box-shadow:0 30px 80px rgba(4,12,24,.4);
  display:flex;flex-direction:column;
}
.gc-ac-modal__hd{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:15px 20px;border-bottom:1px solid var(--ac-line);background:var(--ac-soft);
}
.gc-ac-modal__tt{font-size:15.5px;font-weight:700;color:var(--ac-ink);margin:0;}
.gc-ac-modal__x{
  font:inherit;font-size:22px;line-height:1;cursor:pointer;border:none;background:transparent;
  color:var(--ac-ti);padding:4px 8px;border-radius:8px;
}
.gc-ac-modal__x:hover{background:#e8eef6;color:var(--ac-ink);}
.gc-ac-modal__fr{flex:1;width:100%;border:none;}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .gc-ac-grid--4{grid-template-columns:repeat(2,1fr);}
  .gc-ac-qc{grid-template-columns:repeat(2,1fr);}
  .gc-ac-cost{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:900px){
  .gc-ac-hero__inner{grid-template-columns:1fr;gap:34px;}
  .gc-ac-hero__media{order:-1;}
  .gc-ac-strip{grid-template-columns:repeat(2,1fr);}
  .gc-ac-snap{grid-template-columns:1fr;}
  .gc-ac-doc{grid-template-columns:1fr;}
  .gc-ac-case{grid-template-columns:1fr;}
  .gc-ac-case__media{min-height:220px;}
  .gc-ac-mat{grid-template-columns:1fr;}
  .gc-ac-notes{grid-template-columns:1fr;}
  .gc-ac-figgrid{grid-template-columns:1fr;}
  .gc-ac-grid--3{grid-template-columns:1fr 1fr;}
  .gc-ac-rel{grid-template-columns:1fr 1fr;}
  .gc-ac-sec{padding:52px 0;}
}
@media (max-width:620px){
  .gc-ac{font-size:15.5px;}
  .gc-ac-grid--4,.gc-ac-grid--3,.gc-ac-grid--2{grid-template-columns:1fr;}
  .gc-ac-qc{grid-template-columns:1fr;}
  .gc-ac-cost{grid-template-columns:1fr;}
  .gc-ac-rel{grid-template-columns:1fr;}
  .gc-ac-strip{grid-template-columns:1fr;}
  .gc-ac-case__meta{grid-template-columns:1fr;}
  .gc-ac-mat__card{grid-template-columns:52px 1fr;gap:14px;padding:20px;}
  .gc-ac-mat__badge{width:52px;height:52px;font-size:13px;}
  .gc-ac-hero{padding:54px 0 46px;}
  .gc-ac-sec{padding:44px 0;}
  .gc-ac-tbl{font-size:14px;}
  .gc-ac-tbl th,.gc-ac-tbl td{padding:11px 12px;}
  .gc-ac-steps li{padding-left:52px;margin-left:16px;}
  .gc-ac-steps li::before{left:-19px;width:38px;height:38px;font-size:12px;}
}