/* Aluminum CNC Machining: From Material Selection to Production */
/* Container scope: .gc-aluprac (100% isolated; modal uses namespaced .gc-aluprac-modal) */

.gc-aluprac {
  --gca-blue:#0052cc;
  --gca-navy:#0f2747;
  --gca-silver:#9aa7b5;
  --gca-steel:#5b7aa6;
  --gca-amber:#e08a1e;
  --gca-green:#1f9d6b;
  --gca-paper:#f3f5f8;
  --gca-card:#ffffff;
  --gca-line:#dde3ec;
  --gca-text:#1d2939;
  --gca-muted:#5b6675;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--gca-text);
  background:var(--gca-paper);
  line-height:1.65;
  max-width:1160px;
  margin:0 auto;
  padding:0 20px 64px;
  -webkit-font-smoothing:antialiased;
}
.gc-aluprac * { box-sizing:border-box; }

/* HERO */
.gc-aluprac-hero { display:grid; grid-template-columns:1.1fr 0.9fr; gap:36px; align-items:center; padding:54px 0 40px; }
.gc-aluprac-hero__eyebrow { display:inline-block; font-size:13px; letter-spacing:.04em; text-transform:uppercase; color:var(--gca-blue); background:#eaf1ff; border:1px solid #d4e2ff; padding:6px 12px; border-radius:999px; margin:0 0 16px; font-weight:600; }
.gc-aluprac-hero__title { font-size:clamp(27px,3.8vw,44px); line-height:1.14; margin:0 0 18px; color:var(--gca-navy); font-weight:800; letter-spacing:-.01em; }
.gc-aluprac-hero__lede { font-size:17px; color:var(--gca-muted); margin:0 0 26px; }
.gc-aluprac-hero__actions { display:flex; flex-wrap:wrap; gap:14px; }
.gc-aluprac-hero__media { margin:0; }
.gc-aluprac-hero__media img { width:100%; height:auto; display:block; border-radius:16px; border:1px solid var(--gca-line); background:#fff; }

/* BUTTONS */
.gc-aluprac-btn { display:inline-block; font-size:15px; font-weight:600; padding:13px 22px; border-radius:10px; cursor:pointer; text-decoration:none; border:1px solid transparent; transition:transform .12s ease, box-shadow .12s ease; }
.gc-aluprac-btn--primary { background:var(--gca-blue); color:#fff; box-shadow:0 6px 18px rgba(0,82,204,.25); }
.gc-aluprac-btn--primary:hover { transform:translateY(-1px); }
.gc-aluprac-btn--ghost { background:#fff; color:var(--gca-blue); border-color:#c9d6ee; }
.gc-aluprac-btn--ghost:hover { background:#f3f7ff; }

/* BLOCKS */
.gc-aluprac-block { padding:34px 0; border-top:1px solid var(--gca-line); }
.gc-aluprac-block:first-of-type { border-top:none; }
.gc-aluprac-block--band { background:linear-gradient(180deg,#0f2747,#15294d); color:#eaf0fa; border-radius:18px; padding:38px 34px; margin:30px 0; border-top:none; }
.gc-aluprac-block--band .gc-aluprac-h2 { color:#fff; }
.gc-aluprac-block--band .gc-aluprac-body, .gc-aluprac-block--band .gc-aluprac-lead { color:#c7d3e6; }
.gc-aluprac-block--band .gc-aluprac-note { background:rgba(255,255,255,.07); color:#dbe4f2; border-color:rgba(255,255,255,.16); }
.gc-aluprac-h2 { font-size:clamp(22px,2.6vw,30px); color:var(--gca-navy); margin:0 0 16px; font-weight:700; letter-spacing:-.01em; }
.gc-aluprac-lead { font-size:17px; color:var(--gca-muted); margin:0 0 16px; }
.gc-aluprac-body { font-size:15.5px; margin:0 0 14px; }
.gc-aluprac-note { background:#eef3fb; border:1px solid #dde7f6; border-left:4px solid var(--gca-blue); padding:14px 16px; border-radius:10px; font-size:14.5px; color:var(--gca-muted); margin:16px 0 0; }

/* LISTS */
.gc-aluprac-list { list-style:none; padding:0; margin:14px 0; }
.gc-aluprac-list li { position:relative; padding:8px 0 8px 30px; border-bottom:1px dashed var(--gca-line); }
.gc-aluprac-list li:last-child { border-bottom:none; }
.gc-aluprac-list li::before { content:""; position:absolute; left:6px; top:15px; width:10px; height:10px; border-radius:3px; background:var(--gca-blue); }
.gc-aluprac-num { margin:14px 0; padding-left:22px; }
.gc-aluprac-num li { padding:7px 0; }

/* ANSWER BOX */
.gc-aluprac-answer { background:#fff; border:1px solid var(--gca-line); border-left:5px solid var(--gca-green); border-radius:12px; padding:18px 20px; }
.gc-aluprac-answer p { margin:0; font-size:16px; color:var(--gca-text); }

/* QUICK VARS */
.gc-aluprac-vars { display:flex; flex-wrap:wrap; gap:10px; margin-top:18px; }
.gc-aluprac-var { font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace; font-size:13px; font-weight:600; color:var(--gca-navy); background:#eef2f7; border:1px solid var(--gca-line); padding:7px 12px; border-radius:8px; }

/* DECISION MAP */
.gc-aluprac-map { list-style:none; counter-reset:gcamap; margin:18px 0 0; padding:0; position:relative; }
.gc-aluprac-map__node { counter-increment:gcamap; position:relative; background:var(--gca-card); border:1px solid var(--gca-line); border-left:4px solid var(--gca-steel); border-radius:10px; padding:13px 16px 13px 52px; margin:0 0 10px; font-size:15px; font-weight:600; color:var(--gca-navy); }
.gc-aluprac-map__node::before { content:counter(gcamap); position:absolute; left:14px; top:50%; transform:translateY(-50%); width:26px; height:26px; border-radius:50%; background:var(--gca-navy); color:#fff; font-size:13px; font-weight:700; display:flex; align-items:center; justify-content:center; }
.gc-aluprac-map__node:not(:last-child)::after { content:""; position:absolute; left:26px; bottom:-10px; width:2px; height:10px; background:var(--gca-line); }

/* PROPERTY CARDS */
.gc-aluprac-prop { display:grid; grid-template-columns:repeat(3,1fr); gap:14px; margin-top:8px; }
.gc-aluprac-prop__card { background:var(--gca-card); border:1px solid var(--gca-line); border-top:4px solid var(--gca-silver); border-radius:12px; padding:16px; }
.gc-aluprac-prop__t { font-size:15px; margin:0 0 6px; color:var(--gca-navy); font-weight:700; }
.gc-aluprac-prop__card p { margin:0; font-size:13.5px; color:var(--gca-muted); }

/* TABLES */
.gc-aluprac-tbl-wrap { overflow-x:auto; margin-top:10px; border-radius:12px; border:1px solid var(--gca-line); }
.gc-aluprac-tbl { width:100%; border-collapse:collapse; font-size:13.5px; min-width:640px; background:#fff; }
.gc-aluprac-tbl th, .gc-aluprac-tbl td { padding:11px 12px; text-align:left; border-bottom:1px solid var(--gca-line); vertical-align:top; }
.gc-aluprac-tbl thead th { background:var(--gca-navy); color:#fff; font-weight:700; }
.gc-aluprac-tbl tbody th[scope="row"] { background:#f3f6fb; font-weight:600; color:var(--gca-navy); width:22%; }
.gc-aluprac-tbl tbody tr:nth-child(even) th[scope="row"], .gc-aluprac-tbl tbody tr:nth-child(even) td { background:#fafbfe; }

/* TEMPER */
.gc-aluprac-temper { background:#fff; border:1px solid var(--gca-line); border-radius:12px; overflow:hidden; margin-top:10px; }
.gc-aluprac-temper__row { display:flex; gap:16px; padding:13px 16px; border-bottom:1px solid var(--gca-line); font-size:14.5px; }
.gc-aluprac-temper__row:last-child { border-bottom:none; }
.gc-aluprac-temper__k { font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace; font-weight:700; color:var(--gca-navy); min-width:120px; }
.gc-aluprac-temper__v { color:var(--gca-muted); }

/* FIGURE */
.gc-aluprac-figure { margin:18px 0 0; }
.gc-aluprac-figure img { width:100%; height:auto; display:block; border-radius:14px; border:1px solid var(--gca-line); background:#fff; }
.gc-aluprac-figure figcaption { font-size:13px; color:var(--gca-muted); margin-top:8px; }

/* DFM / PROBLEMS GRID */
.gc-aluprac-dfm { display:grid; grid-template-columns:repeat(3,1fr); gap:14px; margin-top:8px; }
.gc-aluprac-dfm__item { background:var(--gca-card); border:1px solid var(--gca-line); border-radius:12px; padding:16px; }
.gc-aluprac-dfm__t { font-size:15px; margin:0 0 6px; color:var(--gca-navy); font-weight:700; }
.gc-aluprac-dfm__item p { margin:0; font-size:13.5px; color:var(--gca-muted); }

/* MISTAKES */
.gc-aluprac-mistakes { display:grid; grid-template-columns:repeat(2,1fr); gap:12px; margin-top:8px; }
.gc-aluprac-mistake { display:flex; gap:12px; align-items:flex-start; background:var(--gca-card); border:1px solid var(--gca-line); border-left:4px solid var(--gca-amber); border-radius:10px; padding:13px 15px; }
.gc-aluprac-mistake__n { flex:none; width:26px; height:26px; border-radius:50%; background:var(--gca-amber); color:#fff; font-weight:700; font-size:13px; display:flex; align-items:center; justify-content:center; }
.gc-aluprac-mistake p { margin:0; font-size:14px; color:var(--gca-text); }

/* PROCESS FLOW */
.gc-aluprac-flow { display:flex; flex-wrap:wrap; gap:8px; margin-top:10px; }
.gc-aluprac-flow__step { font-size:13px; font-weight:600; color:var(--gca-navy); background:#eef2f7; border:1px solid var(--gca-line); padding:9px 13px; border-radius:8px; }

/* RFQ */
.gc-aluprac-rfq { display:grid; grid-template-columns:repeat(3,1fr); gap:14px; margin-top:8px; }
.gc-aluprac-rfq__col { background:var(--gca-card); border:1px solid var(--gca-line); border-radius:12px; padding:16px; }
.gc-aluprac-rfq__h { font-size:14px; margin:0 0 8px; color:var(--gca-navy); font-weight:700; border-bottom:2px solid var(--gca-blue); padding-bottom:6px; }
.gc-aluprac-rfq__col ul { margin:0; padding-left:18px; font-size:13.5px; color:var(--gca-muted); }
.gc-aluprac-rfq__col li { padding:3px 0; }

/* LINKS */
.gc-aluprac-link { color:var(--gca-blue); text-decoration:none; border-bottom:1px solid rgba(0,82,204,.35); font-weight:600; }
.gc-aluprac-link:hover { border-bottom-color:var(--gca-blue); }

/* FAQ */
.gc-aluprac-faq { margin-top:8px; }
.gc-aluprac-faq__item { background:#fff; border:1px solid var(--gca-line); border-radius:12px; margin-bottom:10px; overflow:hidden; }
.gc-aluprac-faq__item summary { cursor:pointer; padding:15px 18px; font-weight:600; color:var(--gca-navy); font-size:15px; list-style:none; position:relative; padding-right:42px; }
.gc-aluprac-faq__item summary::-webkit-details-marker { display:none; }
.gc-aluprac-faq__item summary::after { content:"+"; position:absolute; right:16px; top:14px; font-size:20px; color:var(--gca-blue); font-weight:700; }
.gc-aluprac-faq__item[open] summary::after { content:"\2013"; }
.gc-aluprac-faq__item p { padding:0 18px 16px; margin:0; font-size:14.5px; color:var(--gca-muted); }

/* CTA */
.gc-aluprac-cta { text-align:center; background:linear-gradient(180deg,#0052cc,#003ea0); color:#fff; border-radius:18px; padding:44px 28px; margin-top:34px; }
.gc-aluprac-cta__title { font-size:26px; margin:0 0 10px; color:#fff; font-weight:800; }
.gc-aluprac-cta__text { font-size:16px; color:#dbe6ff; margin:0 auto 22px; max-width:620px; }
.gc-aluprac-cta .gc-aluprac-btn--primary { background:#fff; color:var(--gca-blue); box-shadow:0 8px 20px rgba(0,0,0,.18); }

/* MODAL */
.gc-aluprac-modal { position:fixed; inset:0; z-index:99998; }
.gc-aluprac-modal[hidden] { display:none; }
.gc-aluprac-modal__backdrop { position:absolute; inset:0; background:rgba(10,18,30,.66); }
.gc-aluprac-modal__box { position:relative; width:min(560px,92vw); height:min(680px,88vh); margin:6vh auto 0; background:#fff; border-radius:8px; overflow:hidden; box-shadow:0 24px 64px rgba(0,0,0,.35); display:flex; flex-direction:column; }
.gc-aluprac-modal__box iframe { flex:1; border:none; width:100%; }
.gc-aluprac-modal__close { position:absolute; top:8px; right:10px; z-index:2; background:#fff; border:1px solid #d9e1ea; border-radius:50%; width:32px; height:32px; font-size:18px; cursor:pointer; color:#0f1b2d; line-height:1; }

/* RESPONSIVE */
@media (max-width:980px){
  .gc-aluprac-hero { grid-template-columns:1fr; padding:36px 0 26px; }
  .gc-aluprac-hero__media { order:-1; }
  .gc-aluprac-prop, .gc-aluprac-dfm, .gc-aluprac-rfq { grid-template-columns:repeat(2,1fr); }
}
@media (max-width:640px){
  .gc-aluprac-prop, .gc-aluprac-dfm, .gc-aluprac-rfq, .gc-aluprac-mistakes { grid-template-columns:1fr; }
  .gc-aluprac-block--band { padding:28px 20px; }
  .gc-aluprac-hero__actions { flex-direction:column; align-items:stretch; }
  .gc-aluprac-btn { text-align:center; }
}