/*
 * SIGNAL HOUSE STATIC SYSTEM
 * Deep Switchboard Ink, Relay Paper, and Signal Lime create an editorial operational console.
 * This file intentionally contains all page presentation; there are no inline style attributes.
 */

:root {
  --ink: #1c204e;
  --ink-deep: #101b3d;
  --paper: #f4f3ee;
  --paper-bright: #faf9f5;
  --mist: #dcdce8;
  --lime: #c9ff4a;
  --lime-ink: #476f12;
  --slate: #566078;
  --line: rgba(28, 32, 78, 0.14);
  --light-line: rgba(255, 255, 255, 0.14);
  --danger: #a82817;
  --success: #28530b;
  --shadow: 0 28px 72px rgba(16, 27, 61, 0.12);
  --font-display: Georgia, "Times New Roman", serif;
  --font-sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-technical: "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink-deep);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; }

a { color: inherit; }

button, input, textarea { font: inherit; }

button { cursor: pointer; }

button:disabled { cursor: wait; }

:focus-visible {
  outline: 3px solid var(--lime);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  z-index: 100;
  top: -5rem;
  left: 1rem;
  padding: 0.8rem 1rem;
  border-radius: 0.25rem;
  background: var(--lime);
  color: var(--ink-deep);
  font-size: 0.875rem;
  font-weight: 800;
  text-decoration: none;
}

.skip-link:focus { top: 1rem; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-frame {
  width: min(100% - 2.5rem, 1240px);
  margin-inline: auto;
}

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(28, 32, 78, 0.97);
  color: var(--paper);
}

.header-inner {
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  color: var(--paper);
  text-decoration: none;
  white-space: nowrap;
}

.brand-logo { display: block; width: auto; height: clamp(1.65rem, 2.2vw, 2rem); }

.desktop-nav,
.header-actions { display: none; }

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 2.5rem;
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.875rem;
  font-weight: 750;
  text-decoration: none;
  transition: color 160ms var(--ease-out), background-color 160ms var(--ease-out);
}

.nav-link:hover { background: rgba(255, 255, 255, 0.1); color: var(--lime); }
.nav-link[aria-current="page"] { background: var(--lime); color: var(--ink-deep); }

.contact-number {
  color: var(--paper);
  font-size: 0.85rem;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}

.contact-number:hover { color: var(--lime); }

.mobile-menu-trigger {
  display: grid;
  width: 2.6rem;
  height: 2.6rem;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  background: transparent;
  color: var(--paper);
}

.menu-icon,
.menu-icon::before,
.menu-icon::after {
  display: block;
  width: 1rem;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  content: "";
  transition: transform 180ms var(--ease-out), opacity 180ms var(--ease-out);
}

.menu-icon { position: relative; }
.menu-icon::before { position: absolute; transform: translateY(-0.34rem); }
.menu-icon::after { position: absolute; transform: translateY(0.34rem); }

.mobile-menu-trigger[aria-expanded="true"] .menu-icon { background: transparent; }
.mobile-menu-trigger[aria-expanded="true"] .menu-icon::before { transform: rotate(45deg); }
.mobile-menu-trigger[aria-expanded="true"] .menu-icon::after { transform: rotate(-45deg); }

.mobile-menu {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  background: var(--ink);
}

.mobile-menu-inner { padding-block: 1rem 1.2rem; }
.mobile-nav-list { display: grid; gap: 0.25rem; padding: 0; margin: 0; list-style: none; }
.mobile-nav-list .nav-link { min-height: 3rem; padding-inline: 1rem; font-size: 1rem; }
.mobile-actions { display: grid; gap: 0.65rem; margin-top: 1rem; padding-top: 1rem; border-top: 1px solid rgba(255, 255, 255, 0.12); }

.button,
.button-link {
  display: inline-flex;
  min-height: 2.85rem;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.75rem 1.1rem;
  border: 1px solid transparent;
  border-radius: 0.2rem;
  background: var(--ink-deep);
  color: var(--paper);
  font-size: 0.9rem;
  font-weight: 800;
  line-height: 1.1;
  text-decoration: none;
  transition: transform 160ms var(--ease-out), color 160ms var(--ease-out), background-color 160ms var(--ease-out), border-color 160ms var(--ease-out);
}

.button:hover,
.button-link:hover { transform: translateY(-2px); }
.button:active,
.button-link:active { transform: scale(0.97); }
.button-lime { background: var(--lime); color: var(--ink-deep); }
.button-lime:hover { background: #d6ff78; }
.button-outline-light { border-color: rgba(255,255,255,0.35); background: transparent; color: var(--paper); }
.button-outline-light:hover { border-color: var(--lime); background: rgba(201,255,74,0.12); color: var(--lime); }
.button-outline-dark { border-color: var(--line); background: transparent; color: var(--ink-deep); }
.button-outline-dark:hover { border-color: var(--ink); background: var(--ink); color: var(--lime); }

.arrow { display: inline-block; font-size: 1.1em; line-height: 1; transform: translateY(-0.05em); }

.utility-label {
  margin: 0;
  color: var(--slate);
  font-size: 0.67rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  line-height: 1.25;
  text-transform: uppercase;
}

.utility-label.lime { color: var(--lime); }
.utility-label.light { color: rgba(255,255,255,0.58); }

.route-signal {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--lime-ink);
  font-family: var(--font-technical);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.route-signal::before {
  display: grid;
  width: 1.16rem;
  height: 1.16rem;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 50%;
  background: var(--paper);
  color: currentColor;
  content: "+";
  font-family: var(--font-technical);
  font-size: 0.95rem;
  font-weight: 900;
  line-height: 1;
}

.route-signal.on-dark { color: var(--lime); }
.route-signal.on-dark::before { background: var(--ink-deep); }

.page-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-deep);
  color: var(--paper);
}

.page-hero::before {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(201,255,74,0.1) 1px, transparent 1px), linear-gradient(90deg, rgba(201,255,74,0.08) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(90deg, black, transparent 72%);
  content: "";
  pointer-events: none;
}

.page-hero-inner {
  position: relative;
  display: grid;
  gap: 3rem;
  padding-left: 1.15rem;
  padding-block: clamp(4.6rem, 9vw, 7.4rem);
  border-left: 1px solid rgba(201,255,74,0.28);
}

.page-hero-inner::before {
  position: absolute;
  top: 2.25rem;
  left: -0.57rem;
  display: grid;
  width: 1.06rem;
  height: 1.06rem;
  place-items: center;
  border-radius: 50%;
  background: var(--lime);
  color: var(--ink-deep);
  content: "+";
  font-family: var(--font-technical);
  font-size: 0.85rem;
  font-weight: 900;
}

.page-title {
  max-width: 950px;
  margin: 1.4rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(3.05rem, 7.1vw, 6.9rem);
  font-weight: 500;
  letter-spacing: -0.075em;
  line-height: 0.88;
}

.page-title .lime-text { color: var(--lime); }

.page-intro {
  max-width: 660px;
  margin: 1.6rem 0 0;
  color: rgba(255,255,255,0.7);
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  line-height: 1.7;
}

.hero-home { min-height: 700px; }

.hero-home::after {
  position: absolute;
  right: -11rem;
  bottom: -11rem;
  width: min(58vw, 740px);
  aspect-ratio: 1;
  border: 1px solid rgba(201,255,74,0.28);
  border-radius: 50%;
  box-shadow: 0 0 0 44px rgba(201,255,74,0.035), 0 0 0 88px rgba(201,255,74,0.025);
  content: "";
}

.home-hero-grid {
  position: relative;
  display: grid;
  gap: 3.5rem;
  align-items: center;
  min-height: 700px;
  padding-block: clamp(3.2rem, 6vw, 5.3rem);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0;
  color: var(--lime);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow::before { width: 2rem; height: 1px; background: var(--lime); content: ""; }

.hero-title {
  max-width: 660px;
  margin: 1.7rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(3.9rem, 7.6vw, 7.5rem);
  font-weight: 500;
  letter-spacing: -0.09em;
  line-height: 0.84;
}

.hero-title strong { color: var(--lime); font-weight: inherit; }

.hero-copy {
  max-width: 550px;
  margin: 1.8rem 0 0;
  color: rgba(255,255,255,0.72);
  font-size: 1.07rem;
  line-height: 1.65;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 2rem; }

.proof-rail {
  display: grid;
  max-width: 570px;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 3rem;
  border-block: 1px solid var(--light-line);
}

.proof-item { min-width: 0; padding: 1rem 0.75rem; border-left: 1px solid var(--light-line); }
.proof-item:first-child { padding-left: 0; border-left: 0; }
.proof-value { margin: 0; font-family: var(--font-technical); font-size: clamp(1.5rem, 3vw, 2.25rem); font-weight: 900; letter-spacing: -0.08em; }
.proof-label { margin: 0.25rem 0 0; color: rgba(255,255,255,0.48); font-size: 0.6rem; font-weight: 800; letter-spacing: 0.12em; line-height: 1.45; text-transform: uppercase; }

.console-stack { position: relative; margin-inline: auto; width: min(100%, 610px); padding-top: 1.5rem; }

.route-chip {
  position: relative;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.75rem;
  border: 1px solid rgba(201,255,74,0.38);
  border-radius: 999px;
  background: rgba(16,27,61,0.95);
  color: var(--lime);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.route-chip::before { width: 0.42rem; height: 0.42rem; border-radius: 50%; background: var(--lime); content: ""; }

.console-panel {
  position: relative;
  z-index: 2;
  margin: -0.2rem 0 0 1.2rem;
  padding: 1.2rem;
  border: 1px solid rgba(201,255,74,0.23);
  background: linear-gradient(145deg, #2c336c 0%, #121c40 64%);
  box-shadow: 0 28px 70px rgba(0,0,0,0.32);
}

.console-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-bottom: 0.85rem; border-bottom: 1px solid rgba(255,255,255,0.12); }
.console-identity { display: flex; align-items: center; gap: 0.55rem; }
.console-avatar { display: grid; width: 2.1rem; height: 2.1rem; place-items: center; border-radius: 50%; background: var(--lime); color: var(--ink-deep); font-size: 0.72rem; font-weight: 900; }
.console-name { margin: 0; color: var(--paper); font-size: 0.85rem; font-weight: 800; }
.console-subline { margin: 0.12rem 0 0; color: rgba(255,255,255,0.5); font-size: 0.69rem; }
.live-marker { display: flex; align-items: center; gap: 0.35rem; color: var(--lime); font-size: 0.6rem; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; }
.live-dot { width: 0.45rem; height: 0.45rem; border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 0 rgba(201,255,74,0.55); }

.console-path { position: relative; display: grid; gap: 0.65rem; margin-top: 1.35rem; padding: 1rem; border: 1px solid rgba(255,255,255,0.1); background: rgba(0,0,0,0.12); }
.console-path::before { position: absolute; top: 1.75rem; bottom: 1.75rem; left: 1.5rem; width: 1px; background: linear-gradient(var(--lime), rgba(201,255,74,0.08)); content: ""; }
.path-step { position: relative; display: grid; grid-template-columns: 1.15rem 1fr auto; align-items: center; gap: 0.65rem; min-height: 1.2rem; color: rgba(255,255,255,0.72); font-size: 0.72rem; }
.path-step::before { z-index: 1; width: 0.55rem; height: 0.55rem; border: 2px solid var(--ink); border-radius: 50%; background: var(--lime); content: ""; }
.path-step small { color: rgba(255,255,255,0.45); font-size: 0.58rem; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; }

.console-bars { display: grid; grid-template-columns: 1.6fr 1fr 0.75fr 1.3fr; gap: 0.4rem; margin-top: 1.3rem; }
.console-bars span { min-height: 0.36rem; background: rgba(255,255,255,0.15); }
.console-bars span:nth-child(1), .console-bars span:nth-child(4) { background: var(--lime); }

.console-route-note { position: relative; z-index: 3; max-width: 230px; margin: 0.95rem 0 0 1.2rem; color: rgba(255,255,255,0.53); font-size: 0.62rem; font-weight: 750; letter-spacing: 0.11em; line-height: 1.6; text-transform: uppercase; }
.console-route-note span { display: block; margin-bottom: 0.25rem; color: var(--lime); font-family: var(--font-technical); font-size: 0.54rem; font-weight: 900; letter-spacing: 0.16em; }

.handoff-card { position: relative; z-index: 4; width: min(100%, 250px); margin: 0.9rem 0 0 auto; padding: 1rem; background: var(--paper); color: var(--ink-deep); box-shadow: 0 17px 42px rgba(0,0,0,0.25); }
.handoff-card p { margin: 0; }
.handoff-card .handoff-title { margin-top: 0.45rem; font-family: var(--font-display); font-size: 1.32rem; font-weight: 500; letter-spacing: -0.055em; line-height: 0.98; }
.handoff-status { display: flex; align-items: center; gap: 0.45rem; margin-top: 0.85rem !important; color: var(--lime-ink); font-size: 0.6rem; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; }
.handoff-status::before { width: 0.45rem; height: 0.45rem; border: 1px solid var(--ink); border-radius: 50%; background: var(--lime); content: ""; }

.trust-strip { border-bottom: 1px solid var(--line); background: var(--paper-bright); }
.trust-inner { display: flex; flex-direction: column; gap: 0.9rem; padding-block: 1.2rem; }
.trust-items { display: flex; flex-wrap: wrap; gap: 0.65rem 1.3rem; color: var(--ink); font-size: 0.68rem; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; }
.trust-items span::before { margin-right: 0.55rem; color: var(--lime-ink); content: "•"; }
.trust-items span:first-child::before { display: none; }

.section { padding-block: clamp(4.6rem, 9vw, 8rem); }
.section-paper { background: var(--paper); }
.section-mist { background: #ececf0; }
.section-ink { background: var(--ink-deep); color: var(--paper); }

.section-grid { position: relative; display: grid; gap: 3rem; }
.section-title { max-width: 680px; margin: 1rem 0 0; font-family: var(--font-display); font-size: clamp(2.55rem, 5vw, 5rem); font-weight: 500; letter-spacing: -0.07em; line-height: 0.91; }
.section-title .accent-text { color: var(--lime-ink); }
.section-ink .section-title .accent-text { color: var(--lime); }
.section-copy { max-width: 570px; margin: 1.35rem 0 0; color: var(--slate); font-size: 1rem; line-height: 1.75; }
.section-ink .section-copy { color: rgba(255,255,255,0.65); }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: 1.8rem;
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 850;
  text-decoration: none;
}
.text-link:hover { color: var(--lime-ink); text-decoration: underline; text-underline-offset: 0.25rem; }
.section-ink .text-link { color: var(--lime); }

.capability-grid { display: grid; gap: 1px; overflow: hidden; border: 1px solid var(--line); background: var(--line); }
.capability-card { position: relative; min-height: 272px; padding: 1.5rem; overflow: hidden; background: var(--paper); color: var(--ink-deep); transition: background-color 180ms var(--ease-out), color 180ms var(--ease-out), transform 180ms var(--ease-out); }
.capability-card::after { position: absolute; right: -1.2rem; bottom: -1.2rem; width: 5rem; height: 5rem; border: 1px solid currentColor; border-radius: 50%; content: ""; opacity: 0.13; }
.capability-card.primary { background: var(--ink-deep); color: var(--paper); }
.capability-card:hover { background: var(--ink); color: var(--paper); }
.capability-card:hover .capability-no { color: var(--lime); }
.capability-card:hover .capability-tag, .capability-card:hover .capability-copy { color: rgba(255,255,255,0.64); }
.capability-head { display: flex; justify-content: space-between; gap: 1rem; }
.capability-no { margin: 0; color: rgba(28,32,78,0.5); font-family: var(--font-display); font-size: 0.98rem; }
.capability-card.primary .capability-no { color: var(--lime); }
.capability-token { width: 1.15rem; height: 1.15rem; border: 1px solid currentColor; border-radius: 50%; color: rgba(28,32,78,0.55); }
.capability-card.primary .capability-token, .capability-card:hover .capability-token { color: var(--lime); }
.capability-card h3 { margin: 3.6rem 0 0; font-family: var(--font-display); font-size: 1.72rem; font-weight: 500; letter-spacing: -0.055em; line-height: 0.96; }
.capability-tag { margin: 0 0 0.7rem; color: var(--slate); font-size: 0.61rem; font-weight: 800; letter-spacing: 0.13em; text-transform: uppercase; }
.capability-card.primary .capability-tag { color: rgba(255,255,255,0.5); }
.capability-copy { margin: 0.9rem 0 0; color: var(--slate); font-size: 0.9rem; line-height: 1.6; }
.capability-card.primary .capability-copy { color: rgba(255,255,255,0.66); }

.split-console { display: grid; gap: 2rem; align-items: center; }
.console-caption { display: flex; align-items: center; gap: 0.7rem; margin-top: 0.85rem; padding: 0.8rem 0.9rem; background: var(--ink-deep); color: var(--paper); font-size: 0.78rem; font-weight: 750; }
.console-caption::before { width: 0.55rem; height: 0.55rem; border-radius: 50%; background: var(--lime); content: ""; }

.check-list { display: grid; gap: 0.75rem; margin: 2rem 0 0; padding: 0; list-style: none; }
.check-list.two-col { grid-template-columns: 1fr; }
.check-list li { display: flex; align-items: center; gap: 0.75rem; padding-top: 0.75rem; border-top: 1px solid var(--line); color: var(--ink); font-size: 0.9rem; font-weight: 800; }
.check-list li::before { display: grid; width: 1.2rem; height: 1.2rem; flex: 0 0 auto; place-items: center; border-radius: 50%; background: var(--ink-deep); color: var(--lime); content: "✓"; font-size: 0.72rem; }

.integration-section { position: relative; overflow: hidden; }
.integration-section::after { position: absolute; top: 0; right: -15%; width: 70%; height: 100%; background: radial-gradient(circle at 50% 50%, rgba(201,255,74,0.12), transparent 61%); content: ""; pointer-events: none; }
.integration-grid { position: relative; z-index: 1; display: grid; gap: 3.5rem; align-items: center; }
.integration-words { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.85rem 1.5rem; margin-top: 2rem; color: rgba(255,255,255,0.75); font-size: 0.72rem; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; }
.integration-words span::before { margin-right: 0.5rem; color: var(--lime); content: "→"; }

.signal-rail { position: relative; min-height: 310px; padding: 2rem 0.8rem; }
.signal-line { position: absolute; top: 50%; right: 0; left: 0; height: 1px; background: linear-gradient(90deg, rgba(201,255,74,0.18), var(--lime), rgba(201,255,74,0.18)); }
.signal-line::after { position: absolute; top: 50%; left: 7%; width: 0.7rem; height: 0.7rem; border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 6px rgba(201,255,74,0.14), 0 0 28px var(--lime); content: ""; transform: translateY(-50%); }
.signal-stations { position: relative; display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.3rem; }
.signal-station { min-height: 118px; padding: 1rem; border: 1px solid rgba(255,255,255,0.18); background: rgba(16,27,61,0.68); color: var(--paper); }
.signal-station:nth-child(even) { margin-top: 4.8rem; }
.station-code { margin: 0; color: var(--lime); font-size: 0.6rem; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase; }
.station-name { margin: 1rem 0 0; font-family: var(--font-display); font-size: 1.5rem; font-weight: 500; letter-spacing: -0.05em; }
.station-state { margin: 0.4rem 0 0; color: rgba(255,255,255,0.56); font-size: 0.68rem; }

.security-slab { display: grid; gap: 1.5rem; padding: 1.5rem; border: 1px solid var(--line); background: var(--paper-bright); box-shadow: var(--shadow); }
.security-graphic { position: relative; min-height: 310px; overflow: hidden; background: var(--ink-deep); }
.security-graphic::before { position: absolute; inset: 10%; border: 1px solid rgba(201,255,74,0.35); content: ""; transform: rotate(45deg); }
.security-graphic::after { position: absolute; inset: 28%; border: 1px solid var(--lime); content: ""; transform: rotate(45deg); }
.security-core { position: absolute; z-index: 1; top: 50%; left: 50%; display: grid; width: 5.4rem; height: 5.4rem; place-items: center; border: 1px solid var(--lime); border-radius: 50%; background: var(--ink); color: var(--lime); font-size: 1.65rem; transform: translate(-50%, -50%); }

.proof-band { display: grid; gap: 2rem; align-items: center; padding-block: 4rem; }
.proof-band h2 { margin: 0.9rem 0 0; font-family: var(--font-display); font-size: clamp(2.35rem, 4.5vw, 4.6rem); font-weight: 500; letter-spacing: -0.065em; line-height: 0.92; }
.money-mark { display: inline-block; padding: 1rem 1.15rem; background: var(--lime); color: var(--ink-deep); font-family: var(--font-technical); font-size: clamp(2.6rem, 5vw, 4.5rem); font-weight: 900; letter-spacing: -0.1em; line-height: 0.9; }

.about-hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--line); background: var(--paper); }
.about-hero::after { position: absolute; top: 0; right: 0; width: 42%; height: 100%; background: var(--mist); content: ""; }
.about-hero-inner { position: relative; z-index: 1; display: grid; gap: 3rem; align-items: center; padding-block: clamp(4.5rem, 9vw, 8rem); }
.about-hero .section-title { max-width: 650px; }
.underlined { position: relative; display: inline; }
.underlined::after { position: absolute; right: 0; bottom: -0.08em; left: 0; height: 0.2em; background: var(--lime); content: ""; z-index: -1; }

.about-console { position: relative; z-index: 1; }
.about-console::before { position: absolute; top: -1rem; left: -1rem; width: 5rem; height: 5rem; border-top: 1px solid var(--lime); border-left: 1px solid var(--lime); content: ""; }
.about-callout { position: relative; max-width: 265px; margin: -1.4rem 0 0 auto; padding: 1rem; background: var(--paper); box-shadow: var(--shadow); }
.about-callout p:last-child { margin: 0.5rem 0 0; font-family: var(--font-display); font-size: 1.25rem; letter-spacing: -0.055em; line-height: 1; }

.metrics-layout { display: grid; gap: 2rem; }
.metric-board { padding: 1.6rem; background: var(--ink-deep); color: var(--paper); }
.metric-list { margin: 1.5rem 0 0; }
.metric-row { display: flex; align-items: end; justify-content: space-between; gap: 1rem; padding-block: 0.9rem; border-top: 1px solid rgba(255,255,255,0.12); }
.metric-row:first-child { padding-top: 0; border-top: 0; }
.metric-row dt { max-width: 120px; color: rgba(255,255,255,0.56); font-size: 0.76rem; line-height: 1.4; }
.metric-row dd { margin: 0; color: var(--lime); font-family: var(--font-display); font-size: 1.7rem; letter-spacing: -0.06em; }
.about-copy { display: grid; gap: 1rem; max-width: 660px; color: var(--slate); line-height: 1.75; }
.about-copy p { margin: 0; }

.security-grid { display: grid; gap: 1px; border: 1px solid rgba(255,255,255,0.14); background: rgba(255,255,255,0.14); }
.security-card { min-height: 220px; padding: 1.5rem; background: var(--ink-deep); }
.security-card:hover { background: #171f4a; }
.security-number { margin: 0; color: var(--lime); font-family: var(--font-display); font-size: 0.95rem; }
.security-symbol { margin-top: 2rem; color: var(--lime); font-size: 1.35rem; }
.security-card h3 { margin: 1.15rem 0 0; font-family: var(--font-display); font-size: 1.35rem; font-weight: 500; letter-spacing: -0.045em; line-height: 1; }
.security-card p { margin: 0.75rem 0 0; color: rgba(255,255,255,0.6); font-size: 0.87rem; line-height: 1.6; }

.legend-row { display: flex; flex-direction: column; gap: 0.8rem; justify-content: space-between; padding-bottom: 1rem; border-bottom: 1px solid var(--line); }
.legend-row p { max-width: 470px; margin: 0; color: var(--slate); font-size: 0.68rem; font-weight: 800; letter-spacing: 0.12em; line-height: 1.5; text-transform: uppercase; }
.services-grid { display: grid; gap: 1px; margin-top: 1.4rem; border: 1px solid var(--line); background: var(--line); }
.service-card { position: relative; display: flex; min-height: 320px; flex-direction: column; justify-content: space-between; padding: 1.5rem; background: var(--paper); transition: background-color 180ms var(--ease-out), color 180ms var(--ease-out); }
.service-card.dark { background: var(--ink-deep); color: var(--paper); }
.service-card.dark::after { position: absolute; right: 1.5rem; bottom: 1.3rem; color: var(--lime); content: "LIVE ROUTE / GUARDED"; font-family: var(--font-technical); font-size: 0.57rem; font-weight: 900; letter-spacing: 0.11em; }
.service-card.mist { background: var(--mist); }
.service-card:hover:not(.dark) { background: #e4e4ed; }
.service-card-top { display: flex; align-items: center; justify-content: space-between; }
.service-number { margin: 0; color: rgba(28,32,78,0.5); font-family: var(--font-display); font-size: 1rem; }
.service-card.dark .service-number { color: var(--lime); }
.service-token { width: 1.25rem; height: 1.25rem; border: 1px solid currentColor; border-radius: 50%; color: rgba(28,32,78,0.5); }
.service-card.dark .service-token { color: var(--lime); }
.service-card h2 { margin: 3rem 0 0; font-family: var(--font-display); font-size: 1.75rem; font-weight: 500; letter-spacing: -0.055em; line-height: 0.97; }
.service-card > div > p:not(.service-number) { margin: 0.85rem 0 0; color: var(--slate); font-size: 0.9rem; line-height: 1.6; }
.service-card.dark > div > p:not(.service-number) { color: rgba(255,255,255,0.62); }
.service-points { display: grid; gap: 0.55rem; padding: 0; margin: 1.65rem 0 0; list-style: none; }
.service-points li { display: flex; align-items: center; gap: 0.5rem; color: var(--ink); font-size: 0.76rem; font-weight: 800; }
.service-points li::before { display: grid; width: 1rem; height: 1rem; flex: 0 0 auto; place-items: center; border-radius: 50%; background: var(--ink-deep); color: var(--lime); content: "✓"; font-size: 0.6rem; }
.service-card.dark .service-points li { color: rgba(255,255,255,0.85); }
.service-card.dark .service-points li::before { background: rgba(255,255,255,0.12); }

.workshop-grid { display: grid; gap: 2rem; }
.workshop-steps { display: grid; gap: 1rem; }
.workshop-step { padding-top: 1rem; border-top: 1px solid var(--line); }
.workshop-step span { color: rgba(28,32,78,0.55); font-family: var(--font-display); }
.workshop-step p { margin: 0.6rem 0 0; font-family: var(--font-display); font-size: 1.25rem; font-weight: 500; letter-spacing: -0.045em; line-height: 1; }

.contact-layout { display: grid; gap: 2.4rem; }
.direct-line { display: grid; gap: 1.35rem; margin-top: 1.6rem; }
.direct-link { display: grid; grid-template-columns: 2.75rem 1fr; gap: 0.9rem; align-items: start; color: var(--ink-deep); text-decoration: none; }
.direct-icon { display: grid; width: 2.75rem; height: 2.75rem; place-items: center; border-radius: 50%; background: var(--ink-deep); color: var(--lime); font-size: 1.1rem; }
.direct-label { display: block; color: var(--slate); font-size: 0.82rem; }
.direct-value { display: block; margin-top: 0.25rem; font-family: var(--font-display); font-size: 1.35rem; font-weight: 500; letter-spacing: -0.045em; line-height: 1.05; }
.direct-value.small { font-family: var(--font-sans); font-size: 0.95rem; font-weight: 750; letter-spacing: 0; line-height: 1.55; }

.quote-form { padding: 1.4rem; border: 1px solid var(--line); background: #fff; box-shadow: var(--shadow); }
.quote-form-head { display: flex; align-items: start; justify-content: space-between; gap: 1rem; padding-bottom: 1.2rem; border-bottom: 1px solid var(--line); }
.quote-form h2 { margin: 0.55rem 0 0; font-family: var(--font-display); font-size: 2rem; font-weight: 500; letter-spacing: -0.06em; line-height: 0.95; }
.form-route-token { display: grid; width: 2.5rem; height: 2.5rem; flex: 0 0 auto; place-items: center; border-radius: 50%; background: var(--lime); color: var(--ink-deep); font-size: 1.1rem; }
.form-grid { display: grid; gap: 1.1rem; margin-top: 1.5rem; }
.form-field { display: grid; gap: 0.45rem; color: var(--ink-deep); font-size: 0.85rem; font-weight: 800; }
.form-field input, .form-field textarea { width: 100%; min-height: 2.9rem; padding: 0.75rem 0.8rem; border: 1px solid rgba(28,32,78,0.26); border-radius: 0; background: var(--paper-bright); color: var(--ink-deep); font-size: 1rem; font-weight: 500; }
.form-field textarea { min-height: 8.5rem; resize: vertical; }
.form-field input::placeholder, .form-field textarea::placeholder { color: #788197; opacity: 1; }
.form-field input:focus, .form-field textarea:focus { border-color: var(--lime-ink); outline: 3px solid rgba(201,255,74,0.55); outline-offset: 1px; }
.honeypot { display: none !important; }
.form-footer { display: flex; flex-direction: column; gap: 1rem; margin-top: 1.5rem; padding-top: 1.3rem; border-top: 1px solid var(--line); }
.form-note { max-width: 36rem; margin: 0; color: var(--slate); font-size: 0.76rem; line-height: 1.55; }
.form-status { display: none; margin: 1rem 0 0; padding: 0.8rem 0.9rem; border-left: 4px solid var(--ink); background: #f0f1f5; color: var(--ink-deep); font-size: 0.88rem; font-weight: 700; line-height: 1.5; }
.form-status[data-state="success"] { display: block; border-left-color: var(--success); background: #e9f6d7; color: #234507; }
.form-status[data-state="error"] { display: block; border-left-color: var(--danger); background: #fde9e6; color: #78160d; }
.quote-form[aria-busy="true"] .button { opacity: 0.72; }

.contact-route-card { display: grid; gap: 1.7rem; padding: 1.5rem; border: 1px solid rgba(201,255,74,0.28); background: var(--ink-deep); color: var(--paper); }
.contact-route-card h2 { max-width: 520px; margin: 0.75rem 0 0; font-family: var(--font-display); font-size: clamp(1.9rem, 3.5vw, 3.15rem); font-weight: 500; letter-spacing: -0.06em; line-height: 0.95; }
.contact-route-list { display: grid; gap: 0; padding: 0; margin: 0; list-style: none; }
.contact-route-list li { display: grid; grid-template-columns: 2rem 1fr; gap: 0.75rem; align-items: start; padding: 0.85rem 0; border-top: 1px solid rgba(255,255,255,0.14); }
.contact-route-list span { color: var(--lime); font-family: var(--font-technical); font-size: 0.7rem; font-weight: 900; letter-spacing: 0.1em; }
.contact-route-list p { margin: 0; color: rgba(255,255,255,0.77); font-size: 0.88rem; font-weight: 700; line-height: 1.45; }

.call-guarantee { border-block: 1px solid var(--line); background: var(--mist); }
.guarantee-inner { display: flex; flex-direction: column; gap: 1rem; justify-content: space-between; padding-block: 2.75rem; }
.guarantee-copy { max-width: 850px; margin: 0; font-family: var(--font-display); font-size: clamp(1.55rem, 3.4vw, 2.4rem); font-weight: 500; letter-spacing: -0.055em; line-height: 1; }

.site-footer { background: var(--ink); color: var(--paper); }
.footer-grid { display: grid; gap: 2.6rem; padding-block: 4rem 3rem; border-bottom: 1px solid rgba(255,255,255,0.12); }
.footer-summary { max-width: 330px; margin: 1.1rem 0 0; color: rgba(255,255,255,0.64); font-size: 0.87rem; line-height: 1.65; }
.uptime-badge { display: inline-flex; align-items: center; gap: 0.5rem; margin-top: 1.2rem; padding: 0.5rem 0.75rem; border: 1px solid rgba(201,255,74,0.32); border-radius: 999px; color: var(--lime); font-size: 0.6rem; font-weight: 800; letter-spacing: 0.13em; text-transform: uppercase; }
.uptime-badge::before { width: 0.45rem; height: 0.45rem; border-radius: 50%; background: var(--lime); content: ""; }
.footer-list { display: grid; gap: 0.65rem; padding: 0; margin: 1rem 0 0; list-style: none; }
.footer-list a { color: rgba(255,255,255,0.85); font-size: 0.86rem; font-weight: 750; text-decoration: none; }
.footer-list a:hover { color: var(--lime); text-decoration: underline; text-underline-offset: 0.25rem; }
.footer-address { margin: 1rem 0 0; color: rgba(255,255,255,0.8); font-size: 0.86rem; font-style: normal; line-height: 1.7; }
.footer-address a { display: inline-block; color: rgba(255,255,255,0.9); font-weight: 800; text-decoration: none; }
.footer-address a:hover { color: var(--lime); }
.footer-bottom { display: flex; flex-direction: column; gap: 0.55rem; justify-content: space-between; padding-block: 1.35rem; color: rgba(255,255,255,0.55); font-size: 0.7rem; line-height: 1.5; }
.footer-bottom p { margin: 0; }
.footer-bottom div { display: flex; flex-wrap: wrap; gap: 0.7rem 1rem; }

@media (min-width: 640px) {
  .site-frame { width: min(100% - 4rem, 1240px); }
  .form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .form-field.full { grid-column: 1 / -1; }
  .form-footer { flex-direction: row; align-items: center; justify-content: space-between; }
  .check-list.two-col { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .trust-inner { flex-direction: row; align-items: center; justify-content: space-between; }
  .guarantee-inner { flex-direction: row; align-items: center; }
  .footer-bottom { flex-direction: row; align-items: center; }
  .signal-stations { grid-template-columns: repeat(4, 1fr); }
  .signal-station:nth-child(even) { margin-top: 4.8rem; }
  .signal-station:nth-child(odd) { margin-bottom: 4.8rem; }
  .signal-rail { min-height: 340px; }
}

@media (min-width: 840px) {
  .desktop-nav { display: block; }
  .header-actions { display: flex; align-items: center; gap: 1rem; }
  .mobile-menu-trigger { display: none; }
  .home-hero-grid { grid-template-columns: minmax(0, 0.92fr) minmax(400px, 0.78fr); gap: 3rem; }
  .page-hero-inner.two-col { grid-template-columns: minmax(0, 1.18fr) minmax(270px, 0.62fr); align-items: end; }
  .section-grid.two-col { grid-template-columns: minmax(0, 0.73fr) minmax(400px, 1fr); align-items: start; }
  .section-grid.two-col::before { position: absolute; top: 0.1rem; bottom: 0.1rem; left: 35.5%; width: 1px; background: linear-gradient(180deg, transparent, rgba(71,111,18,0.35) 14%, rgba(71,111,18,0.35) 86%, transparent); content: ""; }
  .section-grid.two-col::after { position: absolute; top: 48%; left: calc(35.5% - 0.34rem); display: grid; width: 0.68rem; height: 0.68rem; place-items: center; border-radius: 50%; background: var(--lime); color: var(--ink-deep); content: "+"; font-family: var(--font-technical); font-size: 0.6rem; font-weight: 900; }
  .capability-grid { grid-template-columns: repeat(3, 1fr); }
  .split-console { grid-template-columns: minmax(390px, 0.85fr) minmax(0, 1fr); gap: clamp(3rem, 8vw, 8rem); }
  .integration-grid { grid-template-columns: minmax(0, 0.76fr) minmax(420px, 1.24fr); gap: clamp(3rem, 8vw, 8rem); }
  .security-slab { grid-template-columns: minmax(300px, 0.84fr) minmax(0, 1.16fr); padding: 2rem; }
  .about-hero-inner { grid-template-columns: minmax(0, 1fr) minmax(380px, 0.7fr); }
  .metrics-layout { grid-template-columns: minmax(265px, 0.7fr) minmax(0, 1.3fr); gap: 4rem; align-items: start; }
  .security-grid { grid-template-columns: repeat(3, 1fr); }
  .legend-row { flex-direction: row; align-items: center; }
  .services-grid { grid-template-areas: "call fax security" "contact device security" "message conference conference"; grid-template-columns: repeat(3, 1fr); }
  .services-grid .service-card:nth-child(1) { grid-area: call; }
  .services-grid .service-card:nth-child(2) { grid-area: fax; }
  .services-grid .service-card:nth-child(3) { grid-area: security; min-height: 640px; padding: 2rem; }
  .services-grid .service-card:nth-child(4) { grid-area: contact; }
  .services-grid .service-card:nth-child(5) { grid-area: device; }
  .services-grid .service-card:nth-child(6) { grid-area: message; }
  .services-grid .service-card:last-child { grid-area: conference; display: grid; grid-template-columns: 0.75fr 1.25fr; gap: 2rem; align-items: end; min-height: 245px; }
  .services-grid .service-card:last-child .service-points { grid-template-columns: repeat(3, 1fr); margin: 0; }
  .workshop-grid { grid-template-columns: minmax(0, 0.9fr) minmax(400px, 1.1fr); gap: 6rem; }
  .workshop-steps { grid-template-columns: repeat(2, 1fr); }
  .contact-layout { grid-template-columns: minmax(250px, 0.65fr) minmax(0, 1.15fr); gap: clamp(3rem, 8vw, 7rem); }
  .contact-layout { position: relative; }
  .contact-layout::before { position: absolute; top: 0.35rem; bottom: 0.35rem; left: 34.5%; width: 1px; background: linear-gradient(180deg, transparent, rgba(71,111,18,0.32) 12%, rgba(71,111,18,0.32) 88%, transparent); content: ""; }
  .contact-layout::after { position: absolute; top: 1.3rem; left: calc(34.5% - 0.36rem); display: grid; width: 0.72rem; height: 0.72rem; place-items: center; border-radius: 50%; background: var(--lime); color: var(--ink-deep); content: "+"; font-family: var(--font-technical); font-size: 0.64rem; font-weight: 900; }
  .quote-form { padding: 2.25rem; }
  .contact-route-card { grid-column: 1 / -1; grid-template-columns: minmax(0, 0.86fr) minmax(430px, 1.14fr); align-items: center; padding: 2.1rem 2.25rem; }
  .contact-route-list { grid-template-columns: repeat(3, 1fr); border-left: 1px solid rgba(255,255,255,0.14); }
  .contact-route-list li { grid-template-columns: 1fr; gap: 0.55rem; min-height: 100%; padding: 0 1rem; border-top: 0; border-right: 1px solid rgba(255,255,255,0.14); }
  .contact-route-list li:last-child { border-right: 0; }
  .proof-band { grid-template-columns: minmax(0, 1fr) auto; }
  .proof-band > div:last-child { display: flex; align-items: center; gap: 0.75rem; }
  .footer-grid { grid-template-columns: 1.2fr 0.65fr 0.7fr 1fr; gap: 3rem; }
}

@media (min-width: 1100px) {
  .site-frame { width: min(100% - 6rem, 1240px); }
  .home-hero-grid { min-height: 715px; }
}

/* Alignment and restrained-motion refinement: preserve Signal House's editorial-command posture. */
@media (max-width: 839px) {
  .hero-home,
  .home-hero-grid { min-height: 0; }

  .home-hero-grid {
    gap: 2.35rem;
    padding-block: 3.45rem 3.8rem;
  }

  .console-stack {
    display: grid;
    gap: 0.78rem;
    padding-top: 0;
  }

  .console-panel,
  .console-route-note,
  .handoff-card { margin: 0; }

  .console-route-note { max-width: 260px; }
  .handoff-card { width: min(100%, 270px); }

  .section { padding-block: clamp(4rem, 12vw, 5.75rem); }
  .section-grid { gap: 2.25rem; }
  .capability-card { min-height: 248px; }
  .capability-card h3 { margin-top: 2.65rem; }
  .service-card { min-height: 272px; }
  .footer-grid { gap: 2rem; padding-block: 3.1rem 2.4rem; }
  .footer-bottom { padding-block: 1.1rem; }
}

@media (min-width: 840px) {
  .home-hero-grid { gap: clamp(2.4rem, 4.8vw, 4.2rem); }

  .console-stack {
    display: grid;
    width: min(100%, 590px);
    grid-template-columns: minmax(0, 1fr) minmax(174px, 0.76fr);
    column-gap: 1.15rem;
    row-gap: 0.72rem;
    align-items: end;
    padding-top: 0;
  }

  .console-stack .route-chip {
    grid-column: 1 / -1;
    justify-self: start;
  }

  .console-stack .console-panel {
    grid-column: 1 / -1;
    margin: 0 0 0 1rem;
  }

  .console-stack .console-route-note {
    align-self: start;
    margin: 0 0 0 1rem;
    padding-top: 0.15rem;
  }

  .console-stack .handoff-card {
    width: 100%;
    margin: 0;
  }

  .section-grid { gap: clamp(2.5rem, 5vw, 4.75rem); }
  .capability-card { min-height: 258px; }
  .capability-card h3 { margin-top: clamp(2.55rem, 4vw, 3.3rem); }
  .footer-grid { gap: clamp(2.25rem, 4vw, 3.6rem); }
}

@media (prefers-reduced-motion: no-preference) {
  .live-dot { animation: signal-pulse 1.8s ease-out infinite; }
  .signal-line::after { animation: signal-travel 4.2s linear infinite; }
  .route-chip::before { animation: signal-pulse 2.4s ease-out infinite; }
  .console-bars span:nth-child(1) { animation: bar-breathe 2.8s var(--ease-out) infinite; }
  .console-bars span:nth-child(4) { animation: bar-breathe 2.8s 0.45s var(--ease-out) infinite; }
  .security-core { animation: core-turn 16s linear infinite; }
  .security-graphic::before { animation: perimeter-drift 16s var(--ease-out) infinite alternate; }
  .security-graphic::after { animation: perimeter-drift 12s 0.35s var(--ease-out) infinite alternate-reverse; }
}

.capability-card:hover { transform: translateY(-4px); box-shadow: 0 18px 32px rgba(16,27,61,0.11); }
.service-card:hover:not(.dark) { transform: translateY(-3px); box-shadow: 0 14px 26px rgba(16,27,61,0.08); }
.service-card { transition: transform 180ms var(--ease-out), box-shadow 180ms var(--ease-out), background-color 180ms var(--ease-out), color 180ms var(--ease-out); }
.signal-station { transition: transform 180ms var(--ease-out), border-color 180ms var(--ease-out), background-color 180ms var(--ease-out); }
.signal-station:hover { transform: translateY(-5px); border-color: rgba(201,255,74,0.75); background: rgba(34,48,96,0.86); }

@keyframes signal-pulse {
  0%, 55% { box-shadow: 0 0 0 0 rgba(201,255,74,0.55); }
  78%, 100% { box-shadow: 0 0 0 0.7rem rgba(201,255,74,0); }
}

@keyframes signal-travel {
  0% { left: 7%; }
  100% { left: 91%; }
}

@keyframes bar-breathe {
  0%, 100% { opacity: 1; transform: scaleX(1); transform-origin: left center; }
  50% { opacity: 0.58; transform: scaleX(0.68); transform-origin: left center; }
}

@keyframes core-turn {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes perimeter-drift {
  from { transform: rotate(45deg) scale(0.94); opacity: 0.56; }
  to { transform: rotate(52deg) scale(1.04); opacity: 0.96; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
}