/* ============================================================
   DRONE SENTINEL LLC — Master Stylesheet
   Sci-fi / HUD aesthetic, brand-aligned
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600&family=Orbitron:wght@500;700;900&display=swap');

:root {
  --navy: #0B1F40;
  --cyan: #00CFFF;
  --lime: #7CED6A;
  --slate: #2F3B46;
  --light: #EAF2FF;
  --muted: #B8C7DA;
  --space: #020611;
  --deep:  #050a18;
  --carbon:#0a1428;
  --steel: #122036;
  --threat:#FF3B57;
  --amber: #FFAA1F;
  --magenta:#C04CFF;

  --grad-hero: radial-gradient(ellipse at 50% 0%, rgba(0,207,255,0.18) 0%, transparent 60%),
               radial-gradient(ellipse at 80% 90%, rgba(124,237,106,0.12) 0%, transparent 55%),
               linear-gradient(180deg, var(--space) 0%, #050d22 60%, var(--space) 100%);
  --grad-panel: linear-gradient(180deg, rgba(18,32,54,0.85), rgba(10,20,40,0.85));
  --grad-cyan-lime: linear-gradient(120deg, var(--cyan), var(--lime));
  --grad-card-edge: linear-gradient(135deg, rgba(0,207,255,0.5), rgba(124,237,106,0.25) 50%, rgba(0,207,255,0.05));

  --shadow-cyan: 0 0 0 1px rgba(0,207,255,0.35), 0 8px 30px rgba(0,207,255,0.15);
  --shadow-lime: 0 0 0 1px rgba(124,237,106,0.35), 0 8px 30px rgba(124,237,106,0.12);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --font-display: 'Orbitron', 'Inter', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--space);
  color: var(--light);
  line-height: 1.6;
  font-weight: 400;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: var(--cyan); text-decoration: none; transition: color .15s ease; }
a:hover { color: var(--lime); }
img, svg { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; }

/* Background grid + scanlines layered globally */
body::before {
  content: '';
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    linear-gradient(rgba(0,207,255,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,207,255,0.045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at 50% 30%, #000 0%, transparent 90%);
}
body::after {
  content: '';
  position: fixed; inset: 0; pointer-events: none; z-index: 1;
  background: repeating-linear-gradient(180deg,
    rgba(255,255,255,0.012) 0 1px,
    transparent 1px 3px);
  mix-blend-mode: overlay;
}
main, header, footer { position: relative; z-index: 2; }

/* ============== NAV ============== */
.topbar {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: linear-gradient(180deg, rgba(2,6,17,0.92), rgba(2,6,17,0.55));
  border-bottom: 1px solid rgba(0,207,255,0.18);
}
.topbar-inner {
  max-width: 1400px; margin: 0 auto; padding: 14px 28px;
  display: flex; align-items: center; gap: 32px;
}
.topbar .brand {
  display: flex; align-items: center; gap: 12px;
  text-decoration: none;
}
.topbar .brand .mark { width: 38px; height: 38px; }
.topbar .brand .name {
  font-family: var(--font-display);
  font-weight: 900; font-size: 16px; letter-spacing: 0.16em;
  color: var(--light);
}
.topbar .brand .name b { color: var(--cyan); font-weight: 900; }
.topbar nav { display: flex; gap: 26px; margin-left: auto; }
.topbar nav a {
  color: var(--muted); font-weight: 500; font-size: 14px;
  letter-spacing: 0.08em; text-transform: uppercase;
  position: relative; padding: 6px 0;
}
.topbar nav a:hover, .topbar nav a.active { color: var(--light); }
.topbar nav a.active::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 2px; background: var(--grad-cyan-lime);
  box-shadow: 0 0 10px var(--cyan);
}
.btn-cta {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 11px 20px; border-radius: 4px;
  background: var(--grad-cyan-lime); color: var(--space);
  font-weight: 700; font-size: 13px; letter-spacing: 0.14em;
  text-transform: uppercase;
  box-shadow: 0 0 24px rgba(0,207,255,0.5), inset 0 1px 0 rgba(255,255,255,0.4);
  transition: transform .15s ease, box-shadow .15s ease;
  border: none; cursor: pointer;
}
.btn-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 36px rgba(0,207,255,0.7), inset 0 1px 0 rgba(255,255,255,0.6);
  color: var(--space);
}
.btn-ghost {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 11px 20px; border-radius: 4px;
  background: rgba(0,207,255,0.04); color: var(--light);
  font-weight: 600; font-size: 13px; letter-spacing: 0.14em;
  text-transform: uppercase; border: 1px solid rgba(0,207,255,0.4);
  transition: all .15s ease;
}
.btn-ghost:hover { background: rgba(0,207,255,0.12); color: var(--cyan); border-color: var(--cyan); }

/* Mobile nav toggle (basic) */
.menu-toggle { display: none; background: none; border: 1px solid rgba(0,207,255,0.4); border-radius: 4px; padding: 8px 12px; color: var(--cyan); }

/* ============== HERO ============== */
.hero {
  position: relative;
  padding: 120px 28px 100px;
  overflow: hidden;
  background: var(--grad-hero);
  border-bottom: 1px solid rgba(0,207,255,0.18);
}
.hero::before {
  content: '';
  position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(circle at 70% 50%, transparent 0, transparent 40%, rgba(0,207,255,0.04) 60%, transparent 90%);
}
.hero-inner {
  max-width: 1400px; margin: 0 auto;
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 60px;
  align-items: center;
  position: relative;
}
@media (max-width: 980px) {
  .hero { padding: 70px 22px 60px; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--lime); padding: 6px 12px; border-radius: 4px;
  background: rgba(124,237,106,0.08);
  border: 1px solid rgba(124,237,106,0.32);
  position: relative;
}
.eyebrow .dot {
  width: 8px; height: 8px; background: var(--lime); border-radius: 50%;
  box-shadow: 0 0 12px var(--lime);
  animation: pulse 1.6s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(40px, 6.4vw, 92px);
  font-weight: 900;
  line-height: 0.96;
  margin: 22px 0 24px;
  letter-spacing: -0.02em;
  color: var(--light);
  text-shadow: 0 0 60px rgba(0,207,255,0.25);
}
.hero h1 .cyan { color: var(--cyan); }
.hero h1 .lime { color: var(--lime); }
.hero h1 .stack { display: block; }
.hero h1 .glitch { position: relative; display: inline-block; }
.hero h1 .glitch::before {
  content: attr(data-text); position: absolute; left: 2px; top: 0;
  color: var(--cyan); opacity: 0.6; mix-blend-mode: screen;
  clip-path: polygon(0 0, 100% 0, 100% 45%, 0 45%);
  animation: glitch 4s infinite;
}
@keyframes glitch {
  0%, 92%, 100% { transform: translate(0,0); }
  93% { transform: translate(-2px, 1px); }
  94% { transform: translate(2px, -1px); }
  95% { transform: translate(-1px, 2px); }
  96% { transform: translate(0,0); }
}
.hero .lede {
  font-size: clamp(16px, 1.6vw, 20px);
  color: var(--muted); max-width: 620px; margin-bottom: 38px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-stats {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 18px; margin-top: 56px; max-width: 580px;
}
.hero-stat .num {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(28px, 3vw, 42px); color: var(--cyan);
  letter-spacing: -0.02em;
  text-shadow: 0 0 18px rgba(0,207,255,0.5);
}
.hero-stat .lbl {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted);
  margin-top: 4px;
}
.hero-stat { padding-left: 14px; border-left: 2px solid rgba(0,207,255,0.4); }

/* HERO RADAR VISUAL */
.radar-wrap {
  position: relative; aspect-ratio: 1 / 1; max-width: 580px; margin-left: auto;
  filter: drop-shadow(0 0 40px rgba(0,207,255,0.25));
}
.radar {
  position: absolute; inset: 0; border-radius: 50%;
  background: radial-gradient(circle, rgba(0,207,255,0.06) 0%, rgba(0,207,255,0.02) 60%, transparent 75%);
  border: 1px solid rgba(0,207,255,0.35);
}
.radar::before, .radar::after {
  content: ''; position: absolute; inset: 12%;
  border-radius: 50%; border: 1px solid rgba(0,207,255,0.22);
}
.radar::after { inset: 28%; border-color: rgba(0,207,255,0.16); }
.radar-grid {
  position: absolute; inset: 0; border-radius: 50%; overflow: hidden;
}
.radar-grid::before, .radar-grid::after {
  content: ''; position: absolute; left: 50%; top: 0; bottom: 0; width: 1px;
  background: linear-gradient(180deg, transparent, rgba(0,207,255,0.25), transparent);
}
.radar-grid::after { left: 0; right: 0; top: 50%; bottom: auto; height: 1px; width: auto;
  background: linear-gradient(90deg, transparent, rgba(0,207,255,0.25), transparent); }
.radar-sweep {
  position: absolute; inset: 0; border-radius: 50%;
  background: conic-gradient(from 0deg, transparent 0deg, rgba(0,207,255,0.55) 18deg, rgba(0,207,255,0.0) 60deg, transparent 360deg);
  animation: sweep 4s linear infinite; mix-blend-mode: screen;
  mask-image: radial-gradient(circle, #000 60%, transparent 75%);
  -webkit-mask-image: radial-gradient(circle, #000 60%, transparent 75%);
}
@keyframes sweep { to { transform: rotate(360deg); } }
.radar-blip {
  position: absolute; width: 14px; height: 14px; border-radius: 50%;
  background: var(--lime); box-shadow: 0 0 16px var(--lime), 0 0 4px #fff;
  transform: translate(-50%, -50%);
}
.radar-blip.threat { background: var(--threat); box-shadow: 0 0 16px var(--threat); }
.radar-blip.cyan { background: var(--cyan); box-shadow: 0 0 16px var(--cyan); }
.radar-blip::after {
  content: ''; position: absolute; inset: -10px; border: 1px solid currentColor;
  border-radius: 50%; opacity: 0.6;
  animation: ping 2s ease-out infinite;
}
@keyframes ping {
  0% { transform: scale(0.4); opacity: 0.9; }
  100% { transform: scale(2.4); opacity: 0; }
}
.radar-track {
  position: absolute; inset: 0; pointer-events: none;
}
.radar-target-tag {
  position: absolute; transform: translate(-50%, -50%);
  display: flex; align-items: center; gap: 6px;
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.12em; color: var(--cyan);
  background: rgba(2,6,17,0.85); border: 1px solid rgba(0,207,255,0.6);
  padding: 4px 8px; border-radius: 2px;
}
.radar-target-tag.threat { color: var(--threat); border-color: rgba(255,59,87,0.65); }

/* HUD frame around radar */
.hud-frame {
  position: absolute; inset: -22px; pointer-events: none;
}
.hud-frame .corner {
  position: absolute; width: 32px; height: 32px;
  border: 2px solid var(--cyan);
}
.hud-frame .tl { top: 0; left: 0; border-right: 0; border-bottom: 0; }
.hud-frame .tr { top: 0; right: 0; border-left: 0; border-bottom: 0; }
.hud-frame .bl { bottom: 0; left: 0; border-right: 0; border-top: 0; }
.hud-frame .br { bottom: 0; right: 0; border-left: 0; border-top: 0; }

/* HUD readout boxes overlapping radar */
.readout {
  position: absolute; padding: 10px 14px; border-radius: 3px;
  background: rgba(2,6,17,0.85);
  border: 1px solid rgba(0,207,255,0.45);
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.14em; color: var(--cyan);
  text-transform: uppercase;
  backdrop-filter: blur(6px);
}
.readout .v { color: var(--lime); font-weight: 700; font-size: 12px; }
.readout.tl { top: -10px; left: -16px; }
.readout.br { bottom: -10px; right: -16px; }
.readout.tr { top: 14px; right: -36px; transform: rotate(0); }

/* ============== SECTIONS ============== */
section.block {
  padding: 110px 28px;
  position: relative;
}
.container {
  max-width: 1400px; margin: 0 auto;
}
.section-eyebrow {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.32em;
  text-transform: uppercase; color: var(--cyan);
  display: flex; align-items: center; gap: 14px;
}
.section-eyebrow::before {
  content: ''; width: 36px; height: 2px;
  background: var(--grad-cyan-lime);
  box-shadow: 0 0 10px var(--cyan);
}
.section-title {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(34px, 4.4vw, 64px);
  line-height: 1; margin: 18px 0 20px;
  letter-spacing: -0.02em;
}
.section-title .accent { color: var(--cyan); }
.section-title .glow {
  background: var(--grad-cyan-lime);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 0 18px rgba(0,207,255,0.4));
}
.section-lede { color: var(--muted); font-size: 18px; max-width: 720px; }

/* CARDS / GRID */
.cap-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 22px; margin-top: 64px;
}
.cap-card {
  position: relative; padding: 32px 28px;
  background: var(--grad-panel);
  border: 1px solid rgba(0,207,255,0.22);
  border-radius: 6px;
  overflow: hidden;
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.cap-card::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 0% 0%, rgba(0,207,255,0.18), transparent 60%);
  pointer-events: none; opacity: 0.7;
}
.cap-card::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 0;
  height: 2px; background: var(--grad-cyan-lime);
  transform: scaleX(0); transform-origin: left;
  transition: transform .35s ease;
}
.cap-card:hover { transform: translateY(-4px);
  border-color: rgba(0,207,255,0.65);
  box-shadow: 0 18px 60px -10px rgba(0,207,255,0.35);
}
.cap-card:hover::after { transform: scaleX(1); }
.cap-card .icon {
  width: 56px; height: 56px; border-radius: 6px;
  display: grid; place-items: center; margin-bottom: 18px;
  background: rgba(0,207,255,0.08);
  border: 1px solid rgba(0,207,255,0.4);
  color: var(--cyan);
}
.cap-card h3 {
  font-family: var(--font-display); font-weight: 700;
  font-size: 19px; letter-spacing: 0.04em;
  text-transform: uppercase; color: var(--light);
  margin-bottom: 8px;
}
.cap-card p { color: var(--muted); font-size: 14.5px; line-height: 1.7; }
.cap-card .meta {
  margin-top: 16px; display: flex; gap: 8px; flex-wrap: wrap;
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.16em; text-transform: uppercase;
}
.cap-card .meta span {
  padding: 3px 8px; border-radius: 2px;
  border: 1px solid rgba(124,237,106,0.4);
  color: var(--lime);
  background: rgba(124,237,106,0.05);
}

/* tag chip with bracket corners */
.chip {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--cyan); padding: 6px 14px;
  background: rgba(0,207,255,0.06);
  border: 1px solid rgba(0,207,255,0.4);
  border-radius: 3px; position: relative;
}
.chip.lime { color: var(--lime); border-color: rgba(124,237,106,0.4); background: rgba(124,237,106,0.06); }
.chip.threat { color: var(--threat); border-color: rgba(255,59,87,0.45); background: rgba(255,59,87,0.06); }
.chip.amber { color: var(--amber); border-color: rgba(255,170,31,0.45); background: rgba(255,170,31,0.06); }

/* ============== FEATURE STRIP ============== */
.strip {
  background: linear-gradient(180deg, var(--carbon), #050d22);
  border-top: 1px solid rgba(0,207,255,0.18);
  border-bottom: 1px solid rgba(0,207,255,0.18);
  padding: 60px 28px;
}
.strip-grid {
  max-width: 1400px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 28px;
}
.strip-stat .num {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(40px, 4vw, 60px); line-height: 1; color: var(--light);
}
.strip-stat .num span { color: var(--lime); }
.strip-stat .lbl {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--muted); margin-top: 6px;
}

/* ============== SPLIT FEATURE BLOCKS ============== */
.split {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 60px; align-items: center;
}
@media (max-width: 980px) { .split { grid-template-columns: 1fr; gap: 40px; } }
.split.reverse > :first-child { order: 2; }
@media (max-width: 980px) { .split.reverse > :first-child { order: 0; } }
.split h2 {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(28px, 3.5vw, 48px); line-height: 1.05;
  margin-bottom: 16px;
}
.split p { color: var(--muted); font-size: 16.5px; margin-bottom: 16px; }
.split .features {
  list-style: none; margin-top: 22px; display: grid; gap: 12px;
}
.split .features li {
  display: flex; gap: 12px; align-items: flex-start;
  font-size: 15px; color: var(--light);
}
.split .features li::before {
  content: ''; flex-shrink: 0; width: 16px; height: 16px;
  background: var(--grad-cyan-lime); margin-top: 4px;
  clip-path: polygon(50% 0,100% 50%,50% 100%,0 50%);
  box-shadow: 0 0 8px var(--cyan);
}

/* HUD panel for split visual side */
.hud-panel {
  position: relative; background: var(--grad-panel);
  border: 1px solid rgba(0,207,255,0.32);
  border-radius: 6px; padding: 28px;
  overflow: hidden;
}
.hud-panel::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: var(--grad-cyan-lime); box-shadow: 0 0 12px var(--cyan);
}
.hud-panel .panel-head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 18px; padding-bottom: 14px;
  border-bottom: 1px dashed rgba(0,207,255,0.25);
}
.hud-panel .panel-head .title {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.22em; text-transform: uppercase; color: var(--cyan);
}
.hud-panel .panel-head .live {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--lime);
}
.hud-panel .panel-head .live::before {
  content: ''; width: 8px; height: 8px; border-radius: 50%;
  background: var(--lime); box-shadow: 0 0 8px var(--lime);
  animation: pulse 1.4s infinite;
}

/* simulated telemetry ticker */
.ticker { display: grid; gap: 8px; font-family: var(--font-mono); font-size: 13px; }
.ticker .row {
  display: grid; grid-template-columns: 90px 1fr auto;
  gap: 10px; padding: 8px 10px;
  background: rgba(0,207,255,0.04);
  border-left: 2px solid rgba(0,207,255,0.4);
  border-radius: 2px;
  align-items: center;
}
.ticker .row.threat { border-left-color: var(--threat); background: rgba(255,59,87,0.08); }
.ticker .row.amber { border-left-color: var(--amber); background: rgba(255,170,31,0.07); }
.ticker .row.lime { border-left-color: var(--lime); background: rgba(124,237,106,0.06); }
.ticker .row .id { color: var(--cyan); letter-spacing: 0.06em; }
.ticker .row.threat .id { color: var(--threat); }
.ticker .row .desc { color: var(--light); font-size: 13px; }
.ticker .row .val { color: var(--muted); font-size: 11px; letter-spacing: 0.12em; }

/* sensor bar visual */
.sensor-bars { display: grid; gap: 10px; }
.sensor-bar {
  display: grid; grid-template-columns: 130px 1fr 50px;
  align-items: center; gap: 12px;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.12em; text-transform: uppercase;
}
.sensor-bar .name { color: var(--muted); }
.sensor-bar .meter { height: 6px; background: rgba(0,207,255,0.1); border-radius: 1px; position: relative; overflow: hidden; }
.sensor-bar .meter::after {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0;
  width: var(--w, 65%); background: var(--grad-cyan-lime);
  box-shadow: 0 0 10px var(--cyan);
  animation: meterPulse 2.6s ease-in-out infinite;
}
@keyframes meterPulse { 0%,100%{filter:brightness(1)} 50%{filter:brightness(1.3)} }
.sensor-bar .pct { color: var(--lime); text-align: right; }

/* ============== TIMELINE / ARCHITECTURE ============== */
.arch {
  display: grid; gap: 16px; margin-top: 60px;
  grid-template-columns: repeat(4, 1fr);
}
@media (max-width: 980px) { .arch { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .arch { grid-template-columns: 1fr; } }
.arch-step {
  position: relative;
  padding: 26px 22px; background: var(--grad-panel);
  border: 1px solid rgba(0,207,255,0.22);
  border-radius: 6px;
}
.arch-step .num {
  position: absolute; top: -14px; left: 18px;
  font-family: var(--font-display); font-weight: 900;
  background: var(--space); padding: 0 10px;
  font-size: 12px; color: var(--lime); letter-spacing: 0.2em;
  border: 1px solid rgba(124,237,106,0.45); border-radius: 2px;
}
.arch-step h4 {
  font-family: var(--font-display); font-weight: 700;
  font-size: 15px; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--light);
  margin: 8px 0 10px;
}
.arch-step p { color: var(--muted); font-size: 13.5px; line-height: 1.65; }

/* ============== CTA STRIP ============== */
.cta-banner {
  position: relative; overflow: hidden; padding: 90px 28px;
  background: linear-gradient(135deg, #0a1832 0%, #0b2848 50%, #08172e 100%);
  border-top: 1px solid rgba(0,207,255,0.3);
  border-bottom: 1px solid rgba(0,207,255,0.3);
}
.cta-banner::before {
  content: ''; position: absolute; inset: -50%;
  background: conic-gradient(from 90deg at 30% 50%, transparent 0deg, rgba(0,207,255,0.18) 30deg, transparent 90deg);
  filter: blur(60px);
  animation: sweep 12s linear infinite;
}
.cta-banner .container { position: relative; z-index: 1; text-align: center; }
.cta-banner h2 {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(36px, 5vw, 72px); line-height: 1;
  margin-bottom: 18px;
}
.cta-banner h2 .accent {
  background: var(--grad-cyan-lime);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.cta-banner p { color: var(--muted); font-size: 18px; max-width: 640px; margin: 0 auto 36px; }
.cta-banner .row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ============== FOOTER ============== */
footer.site-foot {
  padding: 70px 28px 30px;
  background: linear-gradient(180deg, var(--space), #000);
  border-top: 1px solid rgba(0,207,255,0.18);
}
footer .foot-grid {
  max-width: 1400px; margin: 0 auto;
  display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
}
@media (max-width: 880px) { footer .foot-grid { grid-template-columns: 1fr 1fr; } }
footer .col h5 {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--cyan); margin-bottom: 18px;
}
footer .col ul { list-style: none; display: grid; gap: 10px; }
footer .col a { color: var(--muted); font-size: 14px; }
footer .col a:hover { color: var(--lime); }
footer .brandcol .name {
  font-family: var(--font-display); font-weight: 900;
  font-size: 18px; letter-spacing: 0.16em; color: var(--light);
  margin: 16px 0 12px;
}
footer .brandcol p { color: var(--muted); font-size: 13.5px; max-width: 320px; }
footer .legal {
  max-width: 1400px; margin: 50px auto 0;
  padding-top: 22px; border-top: 1px solid rgba(0,207,255,0.12);
  display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted);
}
footer .legal .stamp { color: var(--cyan); }

/* ============== MISC ============== */
.bracketed {
  position: relative; display: inline-block;
  padding: 0 22px;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.32em; text-transform: uppercase; color: var(--cyan);
}
.bracketed::before, .bracketed::after {
  content: ''; position: absolute; top: 50%; transform: translateY(-50%);
  width: 14px; height: 8px; border: 1px solid var(--cyan);
}
.bracketed::before { left: 0; border-right: 0; }
.bracketed::after  { right: 0; border-left: 0; }

/* sci-fi divider */
.divider {
  height: 1px; background: linear-gradient(90deg, transparent, rgba(0,207,255,0.5), transparent);
  margin: 80px 0; max-width: 1400px; margin-left: auto; margin-right: auto;
  position: relative;
}
.divider::after {
  content: ''; position: absolute; left: 50%; top: 50%;
  transform: translate(-50%, -50%); width: 8px; height: 8px;
  background: var(--lime); border-radius: 50%;
  box-shadow: 0 0 14px var(--lime);
}

/* hex grid background helper */
.hex-bg {
  position: absolute; inset: 0; pointer-events: none; opacity: 0.16;
  background-image:
    radial-gradient(circle at 50% 50%, rgba(0,207,255,0.5) 1px, transparent 1.5px);
  background-size: 38px 38px;
  mask-image: linear-gradient(180deg, transparent, #000 30%, #000 70%, transparent);
}

/* live pulse line for hero */
.beam {
  position: absolute; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0.5; animation: beam 5s linear infinite;
}
@keyframes beam {
  0% { top: 0; opacity: 0; }
  20% { opacity: 0.7; }
  80% { opacity: 0.5; }
  100% { top: 100%; opacity: 0; }
}

/* Page hero (smaller, used on inner pages) */
.page-hero {
  padding: 90px 28px 70px;
  border-bottom: 1px solid rgba(0,207,255,0.18);
  background: var(--grad-hero);
  position: relative; overflow: hidden;
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(36px, 5vw, 76px); line-height: 1;
  margin: 18px 0 18px; letter-spacing: -0.02em;
}
.page-hero h1 .accent {
  background: var(--grad-cyan-lime);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.page-hero p { color: var(--muted); font-size: 18px; max-width: 700px; }

/* spec table */
.spec-table {
  width: 100%; border-collapse: collapse;
  font-family: var(--font-mono); font-size: 13px;
  margin-top: 28px;
}
.spec-table tr { border-bottom: 1px dashed rgba(0,207,255,0.18); }
.spec-table td { padding: 14px 8px; vertical-align: top; }
.spec-table td:first-child { color: var(--cyan); letter-spacing: 0.14em;
  text-transform: uppercase; width: 40%; font-size: 11px; }
.spec-table td:last-child { color: var(--light); }

/* contact form */
.contact-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 60px; }
@media (max-width: 980px) { .contact-grid { grid-template-columns: 1fr; } }
.field { margin-bottom: 18px; }
.field label {
  display: block; font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--cyan); margin-bottom: 8px;
}
.field input, .field select, .field textarea {
  width: 100%; padding: 14px 16px; font-family: var(--font-sans); font-size: 15px;
  background: rgba(2,6,17,0.7); color: var(--light);
  border: 1px solid rgba(0,207,255,0.3); border-radius: 4px;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(0,207,255,0.18);
}
.field textarea { resize: vertical; min-height: 130px; }

@media (max-width: 720px) {
  .topbar nav { display: none; }
  .menu-toggle { display: inline-block; margin-left: auto; }
}

/* utility */
.center { text-align: center; }
.mt-l { margin-top: 60px; }
.mt-m { margin-top: 36px; }
.mt-s { margin-top: 18px; }
.mb-l { margin-bottom: 60px; }
.flex { display: flex; }
.flex.gap { gap: 14px; }
.flex.center { justify-content: center; }
.wrap { flex-wrap: wrap; }