/* ==========================================================================
   /6061-aluminum/ — 6061-T6 Aluminum CNC Machining Services
   100% scope-isolated under .gc-al6061
   ========================================================================== */

.gc-al6061{
  --navy:#0f2747;
  --navy-2:#143259;
  --blue:#0052cc;
  --blue-d:#003d99;
  --cyan:#00a3c4;
  --amber:#b45309;
  --amber-bg:#fffbeb;
  --green:#0f766e;
  --ink:#1e293b;
  --muted:#5b6b82;
  --line:#e2e8f0;
  --line-2:#cbd5e1;
  --soft:#f6f8fb;
  --soft-2:#eef2f7;
  --white:#fff;
  --radius:12px;
  --shadow:0 1px 2px rgba(15,39,71,.06),0 8px 24px rgba(15,39,71,.06);
  --shadow-lg:0 12px 36px rgba(15,39,71,.14);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.68;
  -webkit-font-smoothing:antialiased;
  background:var(--white);
}
.gc-al6061 *,.gc-al6061 *::before,.gc-al6061 *::after{box-sizing:border-box;}
.gc-al6061 p{margin:0 0 16px;}
.gc-al6061 ul,.gc-al6061 ol{margin:0 0 16px;padding-left:22px;}
.gc-al6061 li{margin-bottom:7px;}
.gc-al6061 a{color:var(--blue);text-decoration:none;}
.gc-al6061 a:hover{text-decoration:underline;}
.gc-al6061 strong,.gc-al6061 b{color:var(--navy);font-weight:600;}
.gc-al6061 h2,.gc-al6061 h3,.gc-al6061 h4{color:var(--navy);line-height:1.3;margin:0;}

/* ---------- layout ---------- */
.gc-al6061 .gc-wrap{max-width:1180px;margin:0 auto;padding:0 24px;}
.gc-al6061 .gc-wrap--narrow{max-width:900px;}
.gc-al6061 .gc-sec{padding:72px 0;}
.gc-al6061 .gc-sec--alt{background:var(--soft);}
.gc-al6061 .gc-sec--tight{padding:52px 0;}
.gc-al6061 .gc-h2{font-size:30px;font-weight:700;letter-spacing:-.02em;margin:0 0 10px;}
.gc-al6061 .gc-h2sub{font-size:17px;color:var(--muted);margin:0 0 30px;max-width:74ch;}
.gc-al6061 .gc-h3{font-size:19px;font-weight:650;margin:0 0 8px;}
.gc-al6061 .gc-h3--up{margin-top:34px;}
.gc-al6061 .gc-fine{font-size:12.8px;color:var(--muted);margin:14px 0 0;max-width:78ch;}
.gc-al6061 .gc-fine-gry{font-size:13px;color:var(--muted);margin:8px 0 0;}
.gc-al6061 .gc-eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:var(--blue);background:rgba(0,82,204,.08);
  padding:5px 11px;border-radius:999px;margin:0 0 14px;
}
.gc-al6061 .gc-eyebrow--light{color:#93c5fd;background:rgba(147,197,253,.14);}
.gc-al6061 .gc-lead{font-size:17.5px;color:var(--muted);max-width:78ch;}

/* ---------- hero ---------- */
.gc-al6061 .gc-hero{
  background:linear-gradient(135deg,var(--navy) 0%,#123a63 58%,#0c4a6e 100%);
  color:#fff;padding:64px 0 60px;position:relative;overflow:hidden;
}
.gc-al6061 .gc-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(760px 340px at 88% 8%,rgba(0,163,196,.22),transparent 70%);
}
.gc-al6061 .gc-hero > *{position:relative;z-index:1;}
.gc-al6061 .gc-hero__grid{display:grid;grid-template-columns:1.04fr .96fr;gap:48px;align-items:center;}
.gc-al6061 .gc-hero-title{color:#fff;font-size:38px;font-weight:700;line-height:1.2;letter-spacing:-.025em;margin:0 0 14px;}
.gc-al6061 .gc-hero-sub{color:#c3d4ea;font-size:17.5px;line-height:1.6;margin:0 0 26px;max-width:56ch;}
.gc-al6061 .gc-hero-sub strong{color:#fff;font-weight:600;}

/* spec card (light sections) */
.gc-al6061 .gc-spec{
  background:var(--white);
  border:1px solid var(--line);
  border-top:3px solid var(--blue);
  border-radius:14px;
  padding:26px 30px 22px;
  box-shadow:var(--shadow);
}
.gc-al6061 .gc-spec__t{
  font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--blue);margin:0 0 18px;
}
.gc-al6061 .gc-spec__grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:2px 26px;
}
.gc-al6061 .gc-spec__item{
  display:flex;flex-direction:column;gap:3px;
  padding:12px 0 10px;border-bottom:1px solid var(--soft-2);
}
.gc-al6061 .gc-spec__k{
  font-size:11.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  color:var(--muted);
}
.gc-al6061 .gc-spec__v{font-size:15.5px;line-height:1.4;color:var(--navy);font-weight:600;}
.gc-al6061 .gc-spec__v b{color:var(--blue);font-weight:700;}

.gc-al6061 .gc-btnrow{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 14px;}
.gc-al6061 .gc-btn{
  display:inline-block;font:inherit;font-size:15px;font-weight:650;cursor:pointer;
  padding:13px 24px;border-radius:10px;border:1px solid transparent;transition:.18s;text-align:center;
}
.gc-al6061 .gc-btn--primary{background:var(--blue);color:#fff;box-shadow:0 8px 20px rgba(0,82,204,.34);}
.gc-al6061 .gc-btn--primary:hover{background:var(--blue-d);transform:translateY(-2px);text-decoration:none;}
.gc-al6061 .gc-btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.42);}
.gc-al6061 .gc-btn--ghost:hover{background:rgba(255,255,255,.1);text-decoration:none;}
.gc-al6061 .gc-btn--blue{background:var(--blue);color:#fff;}
.gc-al6061 .gc-btn--blue:hover{background:var(--blue-d);text-decoration:none;}
.gc-al6061 .gc-btn--outline{background:#fff;color:var(--blue);border-color:var(--line-2);}
.gc-al6061 .gc-btn--outline:hover{border-color:var(--blue);text-decoration:none;}
.gc-al6061 .gc-hero__note{font-size:12.5px;color:#8fa8c8;margin:0;max-width:52ch;}

/* ---------- figures ---------- */
.gc-al6061 .gc-fig{margin:28px 0;}
.gc-al6061 .gc-fig img{
  display:block;width:100%;height:auto;object-fit:cover;
  border-radius:12px;background:var(--soft-2);transition:transform .45s ease;
}
.gc-al6061 .gc-fig{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--white);box-shadow:var(--shadow);transition:.25s;}
.gc-al6061 .gc-fig:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.gc-al6061 .gc-fig:hover img{transform:scale(1.055);}
.gc-al6061 .gc-fig figcaption{
  padding:13px 18px;font-size:13.5px;line-height:1.6;color:var(--muted);
  border-top:1px solid var(--line);background:var(--soft);
}
.gc-al6061 .gc-fig--hero img{aspect-ratio:3/2;}
.gc-al6061 .gc-fig--43 img{aspect-ratio:4/3;}
.gc-al6061 .gc-fig--169 img{aspect-ratio:16/9;}
.gc-al6061 .gc-fig--wide{max-width:900px;margin-left:auto;margin-right:auto;}
.gc-al6061 .gc-fig--wide img{aspect-ratio:21/9;}
.gc-al6061 .gc-fig--diag img{object-fit:contain;background:#fff;padding:10px;}
.gc-al6061 .gc-fig--hero{
  border:0;border-radius:14px;background:transparent;box-shadow:0 22px 52px rgba(0,0,0,.36);margin:0;
}
.gc-al6061 .gc-fig--hero:hover{transform:none;box-shadow:0 26px 60px rgba(0,0,0,.42);}
.gc-al6061 .gc-imgs{display:grid;gap:22px;margin:28px 0;}
.gc-al6061 .gc-imgs--2{grid-template-columns:1fr 1fr;}
.gc-al6061 .gc-imgs--3{grid-template-columns:repeat(3,1fr);}
.gc-al6061 .gc-imgs .gc-fig{margin:0;}

/* ---------- grids & cards ---------- */
.gc-al6061 .gc-grid{display:grid;gap:20px;}
.gc-al6061 .gc-grid--2{grid-template-columns:repeat(2,1fr);}
.gc-al6061 .gc-grid--3{grid-template-columns:repeat(3,1fr);}
.gc-al6061 .gc-grid--4{grid-template-columns:repeat(4,1fr);}
.gc-al6061 .gc-grid--start{align-items:start;}
.gc-al6061 .gc-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);transition:.22s;
}
.gc-al6061 .gc-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--line-2);}
.gc-al6061 .gc-card h3{margin-bottom:8px;}
.gc-al6061 .gc-card p:last-child{margin-bottom:0;}
.gc-al6061 .gc-card--soft{background:var(--soft);}
.gc-al6061 .gc-card ul{margin:0;padding-left:18px;}
.gc-al6061 .gc-card ul li{margin-bottom:6px;font-size:14.5px;color:var(--muted);}

/* numbered small-card (why) */
.gc-al6061 .gc-why{
  background:var(--white);border:1px solid var(--line);border-left:3px solid var(--blue);
  border-radius:10px;padding:18px 20px;box-shadow:var(--shadow);transition:.22s;
}
.gc-al6061 .gc-why:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);}
.gc-al6061 .gc-why h3{font-size:16px;margin-bottom:6px;}
.gc-al6061 .gc-why p{margin:0;font-size:14px;color:var(--muted);}

/* icon bullet list */
.gc-al6061 .gc-ticks{list-style:none;margin:0;padding:0;}
.gc-al6061 .gc-ticks li{position:relative;padding-left:26px;margin-bottom:9px;font-size:15px;}
.gc-al6061 .gc-ticks li::before{
  content:"";position:absolute;left:0;top:8px;width:13px;height:7px;
  border-left:2px solid var(--blue);border-bottom:2px solid var(--blue);transform:rotate(-45deg);
}
.gc-al6061 .gc-cross li::before{border-color:#b91c1c;}

/* ---------- tables ---------- */
.gc-al6061 .gc-tbl-wrap{overflow-x:auto;margin:24px 0;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);}
.gc-al6061 .gc-tbl{width:100%;border-collapse:collapse;font-size:14.5px;background:var(--white);}
.gc-al6061 .gc-tbl caption{caption-side:top;text-align:left;padding:14px 18px;font-size:13px;color:var(--muted);border-bottom:1px solid var(--line);}
.gc-al6061 .gc-tbl th,.gc-al6061 .gc-tbl td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top;}
.gc-al6061 .gc-tbl thead th{background:var(--navy);color:#fff;font-size:12.5px;font-weight:650;letter-spacing:.05em;text-transform:uppercase;}
.gc-al6061 .gc-tbl tbody tr:last-child th,.gc-al6061 .gc-tbl tbody tr:last-child td{border-bottom:0;}
.gc-al6061 .gc-tbl tbody tr:nth-child(even){background:var(--soft);}
.gc-al6061 .gc-tbl tbody th{font-weight:600;color:var(--navy);width:40%;}
.gc-al6061 .gc-tbl--num td:last-child{text-align:right;font-variant-numeric:tabular-nums;font-weight:600;color:var(--navy);white-space:nowrap;}
.gc-al6061 .gc-tbl--plain thead th{background:var(--soft-2);color:var(--navy);}

/* comparison table (vs) */
.gc-al6061 .gc-cmp .gc-tbl thead th:first-child{background:var(--soft-2);color:var(--navy);}
.gc-al6061 .gc-cmp .gc-tbl thead th:nth-child(2){background:var(--blue);}
.gc-al6061 .gc-cmp .gc-tbl thead th:nth-child(3){background:var(--cyan);}
.gc-al6061 .gc-cmp .gc-tbl tbody td:nth-child(2){background:rgba(0,82,204,.05);}
.gc-al6061 .gc-cmp .gc-tbl tbody tr:nth-child(even) td:nth-child(2){background:rgba(0,82,204,.09);}
.gc-al6061 .gc-cmp .gc-tbl tfoot td{background:var(--navy);color:#fff;font-weight:600;}
.gc-al6061 .gc-cmp .gc-tbl tfoot td:first-child{background:var(--navy-2);}

/* ---------- notes ---------- */
.gc-al6061 .gc-note{
  border-radius:var(--radius);padding:18px 22px;margin:24px 0;border:1px solid;
  font-size:14.8px;
}
.gc-al6061 .gc-note p:last-child{margin-bottom:0;}
.gc-al6061 .gc-note__t{display:block;font-weight:650;margin-bottom:6px;font-size:15px;}
.gc-al6061 .gc-note--warn{background:var(--amber-bg);border-color:#fcd34d;color:#78350f;}
.gc-al6061 .gc-note--warn .gc-note__t{color:#92400e;}
.gc-al6061 .gc-note--ok{background:#f0fdfa;border-color:#99f6e4;color:#134e4a;}
.gc-al6061 .gc-note--ok .gc-note__t{color:#0f766e;}
.gc-al6061 .gc-note--info{background:#eff6ff;border-color:#bfdbfe;color:#1e3a8a;}
.gc-al6061 .gc-note--info .gc-note__t{color:#1d4ed8;}

/* ---------- dfm good/avoid ---------- */
.gc-al6061 .gc-dfm{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:26px 0;}
.gc-al6061 .gc-dfm__col{border-radius:var(--radius);border:1px solid var(--line);overflow:hidden;background:var(--white);box-shadow:var(--shadow);}
.gc-al6061 .gc-dfm__h{padding:12px 18px;font-weight:700;font-size:14px;letter-spacing:.1em;text-transform:uppercase;}
.gc-al6061 .gc-dfm__col--good .gc-dfm__h{background:#dcfce7;color:#14532d;}
.gc-al6061 .gc-dfm__col--bad .gc-dfm__h{background:#fee2e2;color:#7f1d1d;}
.gc-al6061 .gc-dfm__col ul{margin:0;padding:16px 18px 16px 36px;}
.gc-al6061 .gc-dfm__col li{margin-bottom:8px;font-size:14.5px;color:var(--ink);}
.gc-al6061 .gc-dfm__col li:last-child{margin-bottom:0;}

/* ---------- cost split ---------- */
.gc-al6061 .gc-split{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin:26px 0;}
.gc-al6061 .gc-split__col{border-radius:var(--radius);border:1px solid var(--line);background:var(--white);box-shadow:var(--shadow);overflow:hidden;}
.gc-al6061 .gc-split__h{padding:14px 20px;font-weight:650;font-size:16px;}
.gc-al6061 .gc-split__col--low .gc-split__h{background:#dcfce7;color:#14532d;}
.gc-al6061 .gc-split__col--high .gc-split__h{background:#fee2e2;color:#7f1d1d;}
.gc-al6061 .gc-split__col ul{margin:0;padding:16px 20px 18px 38px;}
.gc-al6061 .gc-split__col li{margin-bottom:8px;font-size:14.5px;}
.gc-al6061 .gc-split__col li:last-child{margin-bottom:0;}

/* ---------- process flow chain ---------- */
.gc-al6061 .gc-flow{display:grid;gap:12px;margin:26px 0;}
.gc-al6061 .gc-flow__step{
  display:grid;grid-template-columns:44px 1fr;gap:16px;align-items:start;
  background:var(--white);border:1px solid var(--line);border-radius:10px;padding:14px 18px;box-shadow:var(--shadow);
}
.gc-al6061 .gc-flow__n{
  width:32px;height:32px;border-radius:50%;background:var(--blue);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;
}
.gc-al6061 .gc-flow--alt .gc-flow__n{background:var(--cyan);}
.gc-al6061 .gc-flow__t{font-weight:650;color:var(--navy);margin:0 0 3px;font-size:15.5px;}
.gc-al6061 .gc-flow__d{margin:0;font-size:14.3px;color:var(--muted);}

/* ---------- case study ---------- */
.gc-al6061 .gc-case{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);margin:26px 0;background:var(--white);}
.gc-al6061 .gc-case__h{background:var(--navy);color:#fff;padding:16px 22px;font-weight:650;font-size:17px;}
.gc-al6061 .gc-case dl{margin:0;display:grid;grid-template-columns:190px 1fr;}
.gc-al6061 .gc-case dt{padding:11px 18px;font-size:13.5px;font-weight:650;color:var(--navy);background:var(--soft);border-bottom:1px solid var(--line);}
.gc-al6061 .gc-case dd{padding:11px 18px;margin:0;font-size:14.5px;border-bottom:1px solid var(--line);}

/* ---------- capability cards with figure ---------- */
.gc-al6061 .gc-cap{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:center;margin:26px 0;}
.gc-al6061 .gc-cap--rev .gc-cap__fig{order:2;}

/* ---------- finish chips ---------- */
.gc-al6061 .gc-chip{
  display:inline-block;font-size:12.5px;font-weight:600;color:var(--navy);
  background:var(--soft-2);border:1px solid var(--line);border-radius:999px;padding:4px 12px;margin:0 6px 6px 0;
}

/* ---------- faq ---------- */
.gc-al6061 .gc-faq{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--white);box-shadow:var(--shadow);}
.gc-al6061 .gc-faq__item{border-bottom:1px solid var(--line);}
.gc-al6061 .gc-faq__item:last-child{border-bottom:0;}
.gc-al6061 .gc-faq__q{
  width:100%;text-align:left;font:inherit;font-size:16px;font-weight:600;color:var(--navy);
  background:none;border:0;padding:16px 46px 16px 22px;cursor:pointer;position:relative;
}
.gc-al6061 .gc-faq__q::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:20px;color:var(--blue);font-weight:600;transition:.2s;
}
.gc-al6061 .gc-faq__item.is-open .gc-faq__q::after{content:"\2212";}
.gc-al6061 .gc-faq__q:hover{background:var(--soft);}
.gc-al6061 .gc-faq__a{display:none;padding:0 22px 18px;}
.gc-al6061 .gc-faq__item.is-open .gc-faq__a{display:block;}
.gc-al6061 .gc-faq__a p:last-child{margin-bottom:0;}
.gc-al6061 .gc-faq__a ul{margin-bottom:0;}

/* ---------- quote / CTA ---------- */
.gc-al6061 .gc-cta{
  background:linear-gradient(135deg,var(--navy) 0%,#123a63 60%,#0c4a6e 100%);
  color:#fff;padding:64px 0;text-align:center;
}
.gc-al6061 .gc-cta h2{color:#fff;font-size:30px;margin-bottom:12px;}
.gc-al6061 .gc-cta p{color:#c3d4ea;max-width:70ch;margin:0 auto 28px;font-size:17px;}
.gc-al6061 .gc-cta .gc-btnrow{justify-content:center;margin-bottom:10px;}
.gc-al6061 .gc-cta__fine{font-size:12.5px;color:#8fa8c8;margin:0;}

/* quote steps */
.gc-al6061 .gc-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:30px 0 0;}
.gc-al6061 .gc-step{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:22px;text-align:left;box-shadow:var(--shadow);}
.gc-al6061 .gc-step__n{
  display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;
  border-radius:50%;background:var(--blue);color:#fff;font-weight:700;font-size:15px;margin-bottom:12px;
}
.gc-al6061 .gc-step h3{font-size:16.5px;margin-bottom:6px;}
.gc-al6061 .gc-step p{margin:0;font-size:14.3px;color:var(--muted);}

/* ---------- link grid ---------- */
.gc-al6061 .gc-links{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:26px 0 0;}
.gc-al6061 .gc-link{
  display:block;background:var(--white);border:1px solid var(--line);border-radius:10px;
  padding:16px 18px;box-shadow:var(--shadow);transition:.2s;
}
.gc-al6061 .gc-link:hover{transform:translateY(-3px);border-color:var(--blue);box-shadow:var(--shadow-lg);text-decoration:none;}
.gc-al6061 .gc-link__t{font-weight:650;color:var(--navy);font-size:15px;margin-bottom:4px;}
.gc-al6061 .gc-link__d{font-size:13.2px;color:var(--muted);line-height:1.55;}
.gc-al6061 .gc-link__a{display:inline-block;margin-top:8px;font-size:13px;font-weight:650;color:var(--blue);}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .gc-al6061 .gc-hero__grid{grid-template-columns:1fr;gap:32px;}
  .gc-al6061 .gc-hero-title{font-size:32px;}
  .gc-al6061 .gc-grid--4,.gc-al6061 .gc-links{grid-template-columns:repeat(2,1fr);}
  .gc-al6061 .gc-grid--3{grid-template-columns:repeat(2,1fr);}
  .gc-al6061 .gc-steps{grid-template-columns:1fr;}
  .gc-al6061 .gc-imgs--3{grid-template-columns:1fr 1fr;}
}
@media (max-width:760px){
  .gc-al6061 .gc-sec{padding:48px 0;}
  .gc-al6061 .gc-wrap{padding:0 18px;}
  .gc-al6061 .gc-h2{font-size:25px;}
  .gc-al6061 .gc-hero-title{font-size:27px;}
  .gc-al6061 .gc-grid--2,.gc-al6061 .gc-grid--3,.gc-al6061 .gc-grid--4,
  .gc-al6061 .gc-dfm,.gc-al6061 .gc-split,.gc-al6061 .gc-cap,
  .gc-al6061 .gc-imgs--2,.gc-al6061 .gc-imgs--3,.gc-al6061 .gc-links{grid-template-columns:1fr;}
  .gc-al6061 .gc-cap--rev .gc-cap__fig{order:0;}
  .gc-al6061 .gc-case dl{grid-template-columns:1fr;}
  .gc-al6061 .gc-case dt{background:var(--soft-2);}
  .gc-al6061 .gc-spec{padding:22px 20px 16px;}
  .gc-al6061 .gc-spec__grid{grid-template-columns:1fr 1fr;gap:0 22px;}
  .gc-al6061 .gc-fig--wide img{aspect-ratio:16/9;}
}