.hfdxarc-how-antennas-work-page #sidebar,
.hfdxarc-how-antennas-work-page #secondary,
.hfdxarc-how-antennas-work-page .widget-area,
.hfdxarc-how-antennas-work-page .sharedaddy,
.hfdxarc-how-antennas-work-page .jp-relatedposts,
.hfdxarc-how-antennas-work-page h3.jp-relatedposts-headline,
.hfdxarc-how-antennas-work-page h3:has(+ .sharedaddy) {
  display: none !important;
}

.hfdxarc-how-antennas-work-page #content,
.hfdxarc-how-antennas-work-page .site-content,
.hfdxarc-how-antennas-work-page .content-area,
.hfdxarc-how-antennas-work-page main,
.hfdxarc-how-antennas-work-page article {
  max-width: none;
}

.hfdxarc-haw-wrap {
  --haw-bg: rgba(5, 12, 22, .94);
  --haw-panel: rgba(16, 29, 44, .94);
  --haw-panel-2: rgba(20, 38, 56, .92);
  --haw-line: rgba(119, 205, 255, .2);
  --haw-text: #eef7ff;
  --haw-muted: #b8cad9;
  --haw-cyan: #50d9ff;
  --haw-blue: #4f8cff;
  --haw-gold: #ffc85c;
  --haw-green: #60e7a8;
  width: 100%;
  max-width: 3600px;
  margin: 0 auto;
  color: var(--haw-text);
  background:
    radial-gradient(circle at 9% 3%, rgba(79,140,255,.18), transparent 28%),
    radial-gradient(circle at 89% 15%, rgba(80,217,255,.14), transparent 32%),
    linear-gradient(180deg, rgba(3,9,17,.97), var(--haw-bg));
  border: 1px solid rgba(120, 202, 255, .2);
  border-radius: 26px;
  overflow: hidden;
  box-shadow: 0 24px 70px rgba(0,0,0,.32);
  font-size: clamp(16px, .95vw, 20px);
  line-height: 1.72;
}

.hfdxarc-haw-wrap * { box-sizing: border-box; }
.hfdxarc-haw-wrap a { color: var(--haw-cyan); }

.hfdxarc-haw-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr);
  gap: clamp(24px, 4vw, 80px);
  align-items: center;
  padding: clamp(34px, 5vw, 92px);
  min-height: 520px;
  border-bottom: 1px solid var(--haw-line);
  background: linear-gradient(135deg, rgba(14,28,44,.96), rgba(5,13,23,.88));
}

.hfdxarc-haw-eyebrow,
.hfdxarc-haw-kicker {
  color: var(--haw-cyan);
  font-size: .8em;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.hfdxarc-haw-hero h1 {
  margin: .2em 0 .28em;
  color: #fff;
  font-size: clamp(3rem, 6vw, 7.4rem);
  line-height: .96;
  letter-spacing: -.045em;
  text-wrap: balance;
}

.hfdxarc-haw-hero p {
  max-width: 900px;
  margin: 0;
  color: var(--haw-muted);
  font-size: clamp(1.1rem, 1.5vw, 1.6rem);
  line-height: 1.5;
}

.hfdxarc-haw-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.hfdxarc-haw-badges span {
  padding: 8px 13px;
  border: 1px solid rgba(80,217,255,.25);
  border-radius: 999px;
  color: #dff8ff;
  background: rgba(80,217,255,.08);
  font-size: .82em;
  font-weight: 700;
}

.hfdxarc-haw-hero-art img {
  display: block;
  width: 100%;
  max-height: 520px;
  object-fit: contain;
  filter: drop-shadow(0 24px 38px rgba(0,0,0,.35));
}

.hfdxarc-haw-layout {
  display: grid;
  grid-template-columns: minmax(220px, 330px) minmax(0, 1fr);
  gap: clamp(24px, 3vw, 60px);
  padding: clamp(24px, 4vw, 70px);
}

.hfdxarc-haw-toc {
  position: sticky;
  top: 24px;
  align-self: start;
  padding: 22px;
  border: 1px solid var(--haw-line);
  border-radius: 18px;
  background: rgba(9, 21, 34, .88);
  box-shadow: 0 16px 36px rgba(0,0,0,.18);
}

.hfdxarc-haw-toc strong {
  display: block;
  margin-bottom: 12px;
  color: #fff;
  font-size: 1.05em;
}

.hfdxarc-haw-toc ol {
  display: grid;
  gap: 5px;
  margin: 0;
  padding-left: 1.2em;
}

.hfdxarc-haw-toc a {
  display: inline-block;
  padding: 3px 0;
  color: var(--haw-muted);
  text-decoration: none;
}
.hfdxarc-haw-toc a:hover,
.hfdxarc-haw-toc a:focus { color: var(--haw-cyan); }

.hfdxarc-haw-content { min-width: 0; }
.hfdxarc-haw-content > p,
.hfdxarc-haw-content > ul,
.hfdxarc-haw-content > ol,
.hfdxarc-haw-content > .hfdxarc-haw-callout,
.hfdxarc-haw-content > .hfdxarc-haw-warning,
.hfdxarc-haw-content > .hfdxarc-haw-formula {
  max-width: 1080px;
}

.hfdxarc-haw-content h2 {
  scroll-margin-top: 30px;
  margin: clamp(50px, 6vw, 88px) 0 18px;
  padding-bottom: 12px;
  color: #fff;
  font-size: clamp(1.75rem, 2.6vw, 3rem);
  line-height: 1.15;
  letter-spacing: -.025em;
  border-bottom: 1px solid var(--haw-line);
}
.hfdxarc-haw-content h2:first-child { margin-top: 0; }
.hfdxarc-haw-content p { color: var(--haw-muted); }
.hfdxarc-haw-content li { margin: .35em 0; color: var(--haw-muted); }
.hfdxarc-haw-content strong { color: #fff; }

.hfdxarc-haw-callout,
.hfdxarc-haw-warning,
.hfdxarc-haw-formula {
  margin: 28px 0;
  padding: 20px 22px;
  border-radius: 16px;
  border: 1px solid rgba(80,217,255,.26);
  background: linear-gradient(135deg, rgba(80,217,255,.1), rgba(79,140,255,.08));
  color: #dcedf8;
}
.hfdxarc-haw-warning {
  border-color: rgba(255,200,92,.4);
  background: rgba(255,200,92,.09);
}
.hfdxarc-haw-formula {
  text-align: center;
  font-size: 1.18em;
  border-color: rgba(96,231,168,.35);
  background: rgba(96,231,168,.08);
}
.hfdxarc-haw-formula span { color: var(--haw-muted); font-size: .84em; }

.hfdxarc-haw-diagram {
  margin: 34px 0 44px;
  padding: clamp(12px, 2vw, 24px);
  border: 1px solid var(--haw-line);
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(22,39,57,.92), rgba(10,22,36,.94));
  box-shadow: 0 20px 44px rgba(0,0,0,.2);
}
.hfdxarc-haw-diagram img {
  display: block;
  width: 100%;
  max-height: 620px;
  object-fit: contain;
}
.hfdxarc-haw-diagram figcaption {
  margin-top: 14px;
  color: #a9c3d5;
  text-align: center;
  font-size: .88em;
}

.hfdxarc-haw-calculator {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(240px, .7fr);
  gap: 28px;
  align-items: end;
  margin-top: 72px;
  padding: clamp(24px, 4vw, 48px);
  border: 1px solid rgba(96,231,168,.28);
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(15,44,47,.88), rgba(14,28,44,.94));
}
.hfdxarc-haw-calculator h2 {
  margin: .25em 0 .35em;
  padding: 0;
  border: 0;
}
.hfdxarc-haw-calculator p { margin: 0; }
.hfdxarc-haw-calc-controls { display: grid; gap: 9px; }
.hfdxarc-haw-calc-controls label { font-size: .86em; font-weight: 700; color: #dff7ee; }
.hfdxarc-haw-calc-controls input {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 10px;
  color: #fff;
  background: rgba(1,8,14,.62);
  font: inherit;
}
.hfdxarc-haw-calc-controls button {
  padding: 13px 18px;
  border: 0;
  border-radius: 10px;
  color: #06121a;
  background: linear-gradient(135deg, var(--haw-green), var(--haw-cyan));
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}
.hfdxarc-haw-results {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.hfdxarc-haw-results > div {
  display: grid;
  gap: 2px;
  padding: 18px;
  border-radius: 14px;
  background: rgba(2,10,17,.5);
  border: 1px solid rgba(255,255,255,.1);
}
.hfdxarc-haw-results span { color: var(--haw-muted); font-size: .82em; }
.hfdxarc-haw-results strong { color: #fff; font-size: 1.65em; }
.hfdxarc-haw-results small { color: var(--haw-green); }

.hfdxarc-haw-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 22px clamp(24px, 4vw, 70px);
  border-top: 1px solid var(--haw-line);
  color: #9eb5c5;
  background: rgba(3,10,18,.7);
  font-size: .85em;
}

@media (max-width: 1050px) {
  .hfdxarc-haw-hero { grid-template-columns: 1fr; min-height: 0; }
  .hfdxarc-haw-hero-art img { max-height: 390px; }
  .hfdxarc-haw-layout { grid-template-columns: 1fr; }
  .hfdxarc-haw-toc { position: relative; top: auto; }
  .hfdxarc-haw-toc ol { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  .hfdxarc-haw-wrap { border-radius: 16px; }
  .hfdxarc-haw-hero { padding: 28px 18px; }
  .hfdxarc-haw-hero h1 { font-size: clamp(2.6rem, 15vw, 4.6rem); }
  .hfdxarc-haw-layout { padding: 20px 14px 34px; }
  .hfdxarc-haw-toc ol { grid-template-columns: 1fr; }
  .hfdxarc-haw-calculator { grid-template-columns: 1fr; padding: 22px 16px; }
  .hfdxarc-haw-results { grid-template-columns: 1fr; }
  .hfdxarc-haw-footer { flex-direction: column; padding: 20px 16px; }
}

@media print {
  .hfdxarc-haw-wrap { color: #000; background: #fff; border: 0; box-shadow: none; }
  .hfdxarc-haw-hero,
  .hfdxarc-haw-diagram,
  .hfdxarc-haw-callout,
  .hfdxarc-haw-warning,
  .hfdxarc-haw-formula,
  .hfdxarc-haw-calculator { background: #fff; color: #000; box-shadow: none; }
  .hfdxarc-haw-layout { display: block; }
  .hfdxarc-haw-toc { position: static; }
  .hfdxarc-haw-content p,
  .hfdxarc-haw-content li,
  .hfdxarc-haw-hero p { color: #222; }
  .hfdxarc-haw-content h2,
  .hfdxarc-haw-content strong,
  .hfdxarc-haw-hero h1 { color: #000; }
}