/* Airplane General — section 1. Accent #F20665 (window pink). Bored Aviator Normal teaching. Not QRH.
   ELEC GOLD CHROME LOCK: cond/obj = elec6 (pad 16/18, lbl 14px #E10600, txt 19px);
   card = #0c0c0c / 18px body; chapter-bar D-DIN + --sec1 pink (NOT Extra #3ecbff, NOT Elec violet #0E0152). */
:root{
  --sec1:#F20665;--sec1-fg:#ffffff;--sec1-dim:#300114;--sec1-wash:#fde4ee;
  --amber:#ffb020;--blue-lt:#3aa0ff;
}

.sec1-chapter-bar{
  display:flex;align-items:center;justify-content:flex-end;gap:8px;
  background:var(--sec1);color:var(--sec1-fg);
  font-family:"D-DIN","Arial Narrow",Arial,sans-serif;
  font-weight:800;letter-spacing:.12em;text-transform:uppercase;
  font-size:15px;padding:10px 16px;margin:0;
}
.sec1-chapter-bar .sec1-win{
  width:22px;height:16px;flex-shrink:0;
  border:2px solid var(--sec1-fg);border-radius:2px;
  background:
    linear-gradient(#0b1216,#0b1216) 50% 0 / 2px 100% no-repeat,
    linear-gradient(#0b1216,#0b1216) 0 50% / 100% 2px no-repeat;
}

.sec1-toc,.chapter-toc{display:flex;flex-direction:column;gap:8px;margin:8px 0 18px;}
.sec1-toc a,.chapter-toc a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  background:linear-gradient(180deg,#161616 0%,#0e0e0e 100%);
  border:1px solid #2a2a2a;border-left:4px solid var(--sec1);
  border-radius:14px;padding:14px 14px;color:#fff;text-decoration:none;
  font-size:17px;font-weight:700;min-height:56px;
}
.sec1-toc a .pg,.chapter-toc a .pg{color:#8e8e93;font-size:12px;font-weight:800;flex-shrink:0;}
.sec1-toc a.form,.chapter-toc a.form{
  border-left-color:#ffb020;
  background:linear-gradient(180deg,#1a160c 0%,#100e08 100%);
}
.sec1-ico-book{
  width:28px;height:22px;flex-shrink:0;position:relative;
  border:2px solid #ffb020;border-radius:2px 8px 8px 2px;margin-right:4px;
}
.sec1-ico-book:before{
  content:"";position:absolute;left:8px;top:3px;bottom:3px;width:2px;background:#ffb020;
}

.sec1-form-topic{
  background:#0c0c0c;border:1px solid #222;border-radius:14px;padding:16px;margin:0 0 12px;
}
.sec1-form-topic h2{
  color:var(--sec1);font-size:15px;letter-spacing:.06em;text-transform:uppercase;
  margin:0 0 10px;font-weight:800;
}
.sec1-form-topic .tip{
  background:#101010;border-left:3px solid #ffb020;border-radius:8px;
  padding:10px 12px;margin:8px 0;color:#ddd;font-size:14.5px;line-height:1.5;
}
.sec1-form-topic .tip p{margin:0 0 6px;}
.sec1-form-topic .tip p:last-child{margin:0;}

.sec1-pill{
  display:inline-block;font-size:13px;font-weight:800;letter-spacing:.08em;
  text-transform:uppercase;padding:6px 12px;border-radius:999px;margin:0 6px 8px 0;
}
.sec1-pill.gnd{background:#3d2a00;color:#ffb020;border:1px solid #ffb020;}
.sec1-pill.flt{background:#0a2540;color:#3aa0ff;border:1px solid #3aa0ff;}
.sec1-pill.nnc,.sec1-pill.sys{background:var(--sec1-wash);color:var(--sec1);border:1px solid var(--sec1);}
.sec1-pill.asinst,.sec1-pill.app{background:#1a1030;color:#ce93d8;border:1px solid #ce93d8;}

.sec1-cond,.sec1-obj{
  background:#000;border:1px solid #2a2a2a;border-radius:14px;padding:16px 18px;margin:12px 0;
}
.sec1-cond .lbl,.sec1-obj .lbl{
  color:#E10600;font-size:14px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;margin-bottom:8px;
}
.sec1-cond .txt,.sec1-obj .txt{color:#fff;font-size:19px;line-height:1.45;}

.sec1-warn{
  background:#1a0808;border:1.5px solid #E10600;border-radius:12px;
  padding:16px 18px;margin:12px 0;color:#ffffff;font-size:18px;line-height:1.45;
}
.sec1-warn .lbl{
  color:#E10600;font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;margin-bottom:8px;
}
.sec1-caution,.sec1-amber{
  background:#1a1408;border:1.5px solid #ffb020;border-radius:12px;
  padding:16px 18px;margin:12px 0;color:#ffe0a0;font-size:18px;line-height:1.45;
}
.sec1-note,.sec1-info{
  background:#111;border-left:3px solid var(--sec1);border-radius:10px;
  padding:14px 16px;margin:12px 0;color:#ddd;font-size:18px;line-height:1.5;
}
.sec1-tip{
  background:#101010;border-left:3px solid #ffb020;border-radius:8px;
  padding:12px 14px;margin:10px 0;color:#ddd;font-size:17px;line-height:1.5;
}
.sec1-tip p{margin:0 0 6px;}
.sec1-tip p:last-child{margin:0;}

.sec1-h{
  font-size:22px;font-weight:800;letter-spacing:.04em;color:#fff;
  border-bottom:2px solid var(--sec1);padding-bottom:6px;margin:20px 0 12px;
}
.sec1-card{
  background:#0c0c0c;border:1px solid #222;border-radius:14px;padding:14px 16px;margin:10px 0;
  color:#ddd;font-size:18px;line-height:1.5;
}
.sec1-card h3{color:#fff;font-size:19px;margin:0 0 8px;}
.sec1-card ul{margin:6px 0 0;padding-left:18px;}
.sec1-card li{margin:4px 0;}
.sec1-card p{margin:0 0 8px;}
.sec1-card p:last-child{margin:0;}
.sec1-card strong{color:#fff;}
.sec1-card .act{color:#fff;margin-top:6px;}

.sec1-light{
  display:inline-block;border:1.5px solid #ffb020;color:#ffb020;background:#120e00;
  font-size:15px;font-weight:800;letter-spacing:.04em;padding:8px 12px;border-radius:8px;
  margin:3px 4px 3px 0;text-align:center;
}
.sec1-light.blue{border-color:#3aa0ff;color:#3aa0ff;background:#061018;}
.sec1-light.red{border-color:#E10600;color:#ff8a80;background:#180808;}
.sec1-light.pink,.sec1-light.magenta{border-color:var(--sec1);color:var(--sec1);background:#18040c;}
.sec1-light.amber{border-color:#ffb020;color:#ffb020;background:#120e00;}
.sec1-light.vert{writing-mode:vertical-rl;transform:rotate(180deg);padding:12px 8px;}
.sec1-lights{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0 12px;}

.sec1-or,.sec1-and{
  background:#121212;border:1px solid #2a2a2a;border-left:3px solid var(--sec1);
  border-radius:14px;padding:14px;margin:12px 0;
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
}
.sec1-or .ins,.sec1-and .ins{flex:1 1 180px;display:flex;flex-direction:column;gap:8px;}
.sec1-or .in,.sec1-and .in{
  background:#1a1a1a;border:1px solid #444;border-radius:10px;padding:10px 12px;color:#fff;font-size:16px;
}
.sec1-or .gate,.sec1-and .gate{
  font-size:20px;font-weight:800;letter-spacing:.06em;color:var(--sec1);
  background:var(--sec1-wash);display:inline-flex;align-items:center;justify-content:center;
  min-width:64px;height:56px;clip-path:polygon(0 0,78% 0,100% 50%,78% 100%,0 100%);
  padding:0 18px 0 10px;
}
.sec1-and .gate{clip-path:polygon(0 0,70% 0,100% 50%,70% 100%,0 100%);}
.sec1-or .out,.sec1-and .out{flex:0 1 auto;}

.sec1-tbl{width:100%;border-collapse:collapse;font-size:16px;margin:8px 0 4px;}
.sec1-tbl th{text-align:left;color:var(--sec1);background:var(--sec1-wash);font-size:13px;letter-spacing:.08em;text-transform:uppercase;padding:8px 8px;border-bottom:1px solid #333;}
.sec1-tbl td{padding:7px 8px;border-bottom:1px solid #1e1e1e;color:#eee;vertical-align:top;}
.sec1-tbl tr:nth-child(even) td{background:#0e0e0e;}
.sec1-tbl .req{background:#5a1010;color:#fff;font-weight:800;}
.sec1-tbl .part{background:#5a4a10;color:#ffe0a0;font-weight:700;}
.sec1-tbl .none{background:#1a1a1a;color:#888;}

.sec1-step{
  background:#141414;border:1px solid #2a2a2a;border-radius:12px;padding:12px 14px;margin:8px 0;
  color:#eee;font-size:18px;line-height:1.45;
}
.sec1-step strong{color:#fff;}

.sec1-link{color:var(--sec1);font-weight:700;text-decoration:none;background:var(--sec1-wash);padding:2px 8px;border-radius:6px;}
a.sec1-link{color:var(--sec1);}

.sec1-cb{
  display:inline-flex;align-items:center;gap:6px;
  background:#1a0808;border:1.5px solid #E10600;color:#fff;
  font-weight:800;font-size:15px;letter-spacing:.04em;
  padding:6px 10px;border-radius:8px;white-space:nowrap;text-decoration:none;
}
.sec1-cb:before{
  content:"";width:10px;height:10px;border-radius:50%;
  background:#E10600;box-shadow:0 0 8px #E10600;flex-shrink:0;
}
.sec1-mel,.sec1-chip{
  display:inline-flex;align-items:center;gap:6px;
  background:#1a1408;border:1px solid #ffb020;color:#ffb020;
  font-size:13px;font-weight:800;padding:6px 10px;border-radius:8px;margin:3px 4px 3px 0;
  text-decoration:none;
}
.sec1-chip.sop{border-color:#3aa0ff;color:#7EC8FF;background:#061018;}
.sec1-chip.link{border-color:var(--sec1);color:var(--sec1);background:#18040c;}

.sec1-bus{
  display:inline-flex;align-items:center;gap:6px;background:#0d1a28;border:1px solid #1a3a55;
  color:#7EC8FF;font-size:15px;font-weight:700;padding:8px 12px;border-radius:8px;margin:3px 4px 3px 0;
}

.sec1-svg{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:12px 0;}
.sec1-svg svg{display:block;max-width:100%;height:auto;}

.sec1-cause{
  background:#0c0c0c;border:1px solid #222;border-radius:12px;padding:12px 14px;margin:8px 0;
}
.sec1-cause .q{color:#FF9F0A;font-weight:800;margin-bottom:6px;}
.sec1-cause .go{color:#fff;}

.sec1-panel{
  background:#1a1a1a;border:1px solid #444;border-radius:12px;padding:12px;margin:10px 0;text-align:center;
}
.sec1-panel .row{display:flex;justify-content:space-around;gap:6px;flex-wrap:wrap;}
.sec1-panel .sw{flex:1;min-width:64px;}
.sec1-panel .lp{border:1.5px solid #FF9F0A;color:#FF9F0A;font-size:10px;font-weight:800;padding:6px 4px;margin-bottom:6px;}
.sec1-panel .tog{border:1px solid #666;border-radius:8px;padding:8px 4px;font-size:12px;color:#ccc;}
.sec1-panel .x{
  display:inline-block;width:18px;height:18px;line-height:16px;border:1.5px solid #fff;color:#fff;
  font-weight:800;margin-top:8px;font-size:14px;
}

.sec1-oxy-bar{display:flex;flex-direction:column;gap:2px;margin:8px 0 12px;}
.sec1-oxy-bar .r{display:flex;align-items:stretch;min-height:36px;font-size:13px;font-weight:700;}
.sec1-oxy-bar .alt{width:72px;background:#1a1a1a;color:#fff;display:flex;align-items:center;padding:4px 8px;flex-shrink:0;}
.sec1-oxy-bar .fc,.sec1-oxy-bar .pax{flex:1;display:flex;align-items:center;justify-content:center;padding:4px 6px;text-align:center;}
.sec1-oxy-bar .red{background:#8b1515;color:#fff;}
.sec1-oxy-bar .yel{background:#8a6a10;color:#fff;}
.sec1-oxy-bar .gry{background:#2a2a2a;color:#aaa;}

.sec1-regs{margin:16px 0;}
.sec1-regs a{display:block;color:#7EC8FF;margin:6px 0;font-size:16px;}

.sec1-lead{color:#ddd;font-size:18px;line-height:1.55;margin:8px 0 14px;}
.sec1-fig{
  background:#0a0a0a;border:1px solid #2a2a2a;border-top:3px solid var(--sec1);
  border-radius:14px;padding:12px;margin:14px 0;overflow-x:auto;
}
.sec1-fig .cap, .sec1-fig figcaption{
  color:#f0f0f5;font-size:15px;margin-top:8px;line-height:1.4;text-align:center;
}
.sec1-fig svg{display:block;max-width:100%;height:auto;margin:0 auto;}
.sec1-list{margin:8px 0;padding-left:20px;color:#eee;font-size:17px;line-height:1.55;}
.sec1-list li{margin:6px 0;}
.sec1-deadbolt{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin:10px 0;}
.sec1-deadbolt .pos{
  background:#16161a;border:1px solid #333;border-radius:12px;padding:12px;text-align:center;min-width:120px;color:#f0f0f5;font-size:14px;
}

.sec1-reveal{margin:8px 0 18px;}
.sec1-reveal-btn{
  appearance:none;-webkit-appearance:none;width:100%;box-sizing:border-box;
  min-height:48px;padding:12px 16px;border-radius:12px;cursor:pointer;
  background:#0c0c0c;border:1px solid #3a3a3a;color:#ffffff;
  font-family:inherit;font-size:14px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
}
.sec1-reveal-btn:active{opacity:.85;}
.sec1-reveal-btn[aria-expanded="true"]{border-color:var(--sec1);color:var(--sec1);background:#18040c;}
.sec1-reveal-panel{margin-top:12px;}
.sec1-photo-grid{display:grid;grid-template-columns:1fr;gap:12px;}
@media(min-width:520px){.sec1-photo-grid{grid-template-columns:1fr 1fr;}}
.sec1-photo{
  background:#0c0c0c;border:1px solid #2a2a2a;border-radius:8px;overflow:hidden;margin:0;
}
.sec1-photo img{display:block;width:100%;height:auto;}
.sec1-photo figcaption{padding:8px 10px;font-size:12px;color:#f0f0f5;letter-spacing:.04em;}

.sec1-qrh{
  display:block;text-align:center;background:#1a1a1a;border:1px solid #E10600;color:#E10600;
  padding:12px;border-radius:12px;font-weight:700;text-decoration:none;margin:14px 0;
}

/* QRH NNC pages keep working */
.sec1-nnc .box-cond .txt,
.sec1-nnc .box-obj .txt{font-size:18px !important;line-height:1.45 !important;color:#fff !important;}
.sec1-nnc .step-card{font-size:18px !important;line-height:1.45 !important;padding:16px 16px !important;}
.sec1-nnc .choice-btn{font-size:16px !important;min-height:96px !important;}
.sec1-nnc .choice-row.stack{flex-direction:row;}
.sec1-nnc .choice-row.stack .choice-btn{min-width:0;}
.sec1-nnc .warn{
  background:#1a0808;border:1.5px solid #E10600;border-radius:12px;
  padding:14px 16px;margin:12px 0;color:#ffffff;font-size:16px;line-height:1.45;
}
.sec1-nnc .warn .lbl{
  color:#E10600;font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;margin-bottom:8px;
}
.cl.form{border-left:3px solid #ffb020;padding-left:10px;}

.content-area .sec1-card,.content-area .sec1-info,.content-area .sec1-step,.content-area .sec1-note{font-size:17.5px;}
.content-area p{color:#ddd;font-size:17.5px;line-height:1.55;}