/* ===== NLOS network exclusivity section (from Signal / nlos-about, scoped) ===== */
@property --race { syntax: "<angle>"; inherits: false; initial-value: 0deg; }
@keyframes flow-race { to { --race: 360deg; } }
.nl-net {
  --nn-surface: #FFFFFF; --nn-card: rgba(255,255,255,.7); --nn-text: #0B2A4A; --nn-text-2: #475963;
  --nn-line: #E1E9ED; --nn-line-2: #C9D5DB; --nn-gold: #F5BB61; --nn-gold-d: #B7791F; --nn-cyan: #22D3EE; --nn-navy: #004874;
  --nn-ds: var(--nn-gold-d); --nn-sfp: var(--nn-navy); --nn-ease: cubic-bezier(.22,.61,.36,1);
  background: var(--nn-bg, var(--nn-surface)); color: var(--nn-text);
  border-bottom: 1px solid var(--nn-line);
  padding: var(--nn-pad, clamp(72px, 9vw, 112px)) 0;
}
.nl-net--dark {
  --nn-surface: #121C21; --nn-card: rgba(18,28,33,.7); --nn-text: #EFF4F6; --nn-text-2: #C9D5DB;
  --nn-line: #2C3940; --nn-line-2: #3D4B51; --nn-ds: var(--nn-gold); --nn-sfp: var(--nn-cyan);
}
.nl-net .sra-intro { max-width: 720px; }
.nl-net .sra-intro h2 { margin: 14px 0 0; max-width: 18ch; color: var(--nn-text); font-size: var(--nn-h2, clamp(30px, 3.6vw, 46px)); line-height: 1.1;
  text-shadow: 0 0 18px color-mix(in srgb, var(--nn-gold) 18%, transparent); }
.nl-net--dark .sra-intro h2 { text-shadow: 0 0 28px color-mix(in srgb, var(--nn-gold) 22%, transparent); }
.nl-net .sra__lead { margin: clamp(16px, 2vw, 22px) 0 0; font-size: clamp(1rem, 1.15vw, 1.08rem); line-height: 1.6; color: var(--nn-text-2); max-width: 56ch; }
.nl-net .paths { list-style: none; padding: 0; margin: 24px 0 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; max-width: 620px; }
.nl-net .paths li { display: flex; flex-direction: column; gap: 4px; padding: 14px 16px; border: 1px solid var(--nn-line-2); border-left: 3px solid var(--nn-gold); border-radius: 10px;
  position: relative; --race-c: var(--nn-gold-d); --race-t: var(--nn-gold-d); }
.nl-net--dark .paths li { --race-c: var(--nn-gold); --race-t: var(--nn-gold); }
.nl-net .paths__k { font-size: 14.5px; font-weight: 600; color: var(--nn-text); }
.nl-net .paths__v { font-size: 14px; color: var(--nn-text-2); }
.nl-net .paths li::before, .nl-net .sra-col::before {
  content: ""; position: absolute; inset: -1px; border-radius: 11px; padding: 2px; pointer-events: none; z-index: 2;
  background:
    conic-gradient(from var(--race), transparent 0deg 210deg, color-mix(in srgb, var(--race-t) 45%, transparent) 285deg, var(--race-c) 348deg, transparent 360deg),
    linear-gradient(color-mix(in srgb, var(--race-c) 16%, transparent), color-mix(in srgb, var(--race-c) 16%, transparent));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor;
          mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0);
  filter: drop-shadow(0 0 5px color-mix(in srgb, var(--race-c) 55%, transparent));
  opacity: 0; animation: flow-race 2.6s linear infinite paused; transition: opacity .45s var(--nn-ease);
}
.nl-net .paths li:hover::before, .nl-net .paths li:focus-within::before,
.nl-net .sra-col:hover::before, .nl-net .sra-col:focus-within::before { opacity: 1; animation-play-state: running; }
.nl-net .sra-cols { margin-top: clamp(36px, 4.5vw, 56px); display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(16px, 2.2vw, 24px); align-items: stretch; }
.nl-net .sra-col { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 24px; padding: 26px 22px 24px;
  border: 1px solid var(--nn-line); border-radius: 14px; border-top: 3px solid var(--nn-line-2); background: var(--nn-card);
  position: relative; --race-c: var(--nn-cyan); --race-t: var(--nn-cyan); }
.nl-net .sra-col::before { inset: -3px -1px -1px; border-radius: 15px; }
.nl-net .sra-col--sra { border-top-color: #990000; --race-c: #990000; --race-t: #990000; }
.nl-net .sra-col--ds { border-top-color: var(--nn-ds); --race-c: var(--nn-ds); --race-t: var(--nn-ds); }
.nl-net .sra-col--sfp { border-top-color: var(--nn-cyan); --race-c: var(--nn-sfp); --race-t: var(--nn-sfp); }
.nl-net .sra-col__note { margin: 0; width: 100%; text-align: center; font-size: 14px; line-height: 1.55; color: var(--nn-text-2); flex: 1 1 auto; }
.nl-net .sra-col .sra__logo { width: 168px; max-width: 100%; height: 140px; object-fit: contain; object-position: center; margin: 0 auto; flex: none; align-self: center; }
.nl-net .sra__logo--white { display: none; }
.nl-net .sra__logo--color { display: block; }
.nl-net--dark .sra__logo--white { display: block; }
.nl-net--dark .sra__logo--color { display: none; }
.nl-net .brand-btn { position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 10px; margin-top: auto; width: 100%; min-height: 62px; padding: 14px 12px;
  border-radius: 6px; font-size: 14px; font-weight: 600; letter-spacing: -.005em; color: #FFFFFF; text-decoration: none;
  transition: background-color .2s var(--nn-ease), border-color .2s var(--nn-ease), transform .2s var(--nn-ease), box-shadow .2s var(--nn-ease); }
.nl-net .brand-btn__logo { width: 54px; height: auto; flex: none; }
.nl-net .brand-btn--sfp .brand-btn__logo, .nl-net .brand-btn--ds .brand-btn__logo { width: 34px; }
.nl-net .brand-btn__logo--color { display: none; }
.nl-net .brand-btn__logo--white { display: block; }
.nl-net .brand-btn__label { white-space: normal; text-align: center; }
.nl-net .brand-btn__ext { width: 13px; height: 13px; flex: none; opacity: .85; color: #FFFFFF; }
.nl-net .brand-btn__sr { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; }
.nl-net .brand-btn:active { transform: translateY(1px); }
.nl-net .brand-btn--sra { background: #990000; border: 1px solid #990000; box-shadow: 0 0 28px -10px rgba(153,0,0,.55); }
.nl-net .brand-btn--sra:hover { background: #7F0000; border-color: #7F0000; }
.nl-net .brand-btn--ds { background: #004874; border: 1px solid #004874; box-shadow: 0 0 28px -10px rgba(0,72,116,.55); }
.nl-net .brand-btn--ds:hover { background: #00385A; border-color: #00385A; }
.nl-net .brand-btn--sfp { background: #0F5C5C; border: 1px solid #0F5C5C; box-shadow: 0 0 28px -10px rgba(15,92,92,.55); }
.nl-net .brand-btn--sfp:hover { background: #0A4545; border-color: #0A4545; }
.nl-net .brand-btn:focus-visible { outline: 3px solid var(--nn-cyan); outline-offset: 3px; }
@media (max-width: 1020px) { .nl-net .sra-cols { grid-template-columns: 1fr; gap: 16px; } }
@media (max-width: 760px) { .nl-net .paths { grid-template-columns: 1fr; } .nl-net .brand-btn { font-size: 13.5px; } }
@media (prefers-reduced-motion: reduce) {
  .nl-net .paths li::before, .nl-net .sra-col::before { animation: none !important; background: linear-gradient(var(--race-c), var(--race-c)); filter: none; }
  .nl-net .paths li:hover::before, .nl-net .sra-col:hover::before { opacity: .85; }
}