:root {
  --accent: #8BBF19;
  --accent-dark: #6fa10e;
  --accent-soft: rgba(139, 191, 25, .14);
  --bg: #070b12;
  --bg-2: #0c121d;
  --bg-3: #111827;
  --panel: rgba(18, 27, 40, .74);
  --panel-strong: rgba(18, 27, 40, .92);
  --line: rgba(255,255,255,.12);
  --line-green: rgba(139, 191, 25, .45);
  --text: #f7f8fa;
  --muted: #aab3c2;
  --muted-2: #6f7a8c;
  --black: #030508;
  --shadow: 0 30px 110px rgba(0,0,0,.38);
  --radius: 24px;
  --container: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 0%, rgba(139,191,25,.12), transparent 28%),
    linear-gradient(180deg, var(--bg), #05070c 58%, var(--bg));
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: inherit; }

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

.container {
  width: min(var(--container), calc(100% - 42px));
  margin: 0 auto;
}

.page-glow {
  position: fixed;
  inset: -20%;
  pointer-events: none;
  z-index: -2;
  background:
    radial-gradient(circle at 75% 18%, rgba(139,191,25,.20), transparent 30%),
    radial-gradient(circle at 20% 70%, rgba(139,191,25,.08), transparent 26%);
  filter: blur(3px);
}

.scanline {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 100;
  opacity: .035;
  background: repeating-linear-gradient(to bottom, transparent 0 3px, #fff 3px 4px);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(5, 8, 13, .78);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  gap: 26px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  margin-right: auto;
}

.brand img {
  width: 52px;
  height: 52px;
  flex: 0 0 52px;
}

.brand span {
  display: grid;
  line-height: 1.05;
}

.brand strong {
  font-size: 1.45rem;
  letter-spacing: -.04em;
}

.brand strong::first-letter {
  color: var(--accent);
}

.brand small {
  margin-top: 5px;
  color: var(--muted);
  font-size: .68rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.brand-green {
  color: #8BBF19;
}

.brand-white {
  color: #ffffff;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav-links a {
  position: relative;
  color: rgba(255,255,255,.72);
  text-decoration: none;
  font-weight: 700;
  font-size: .88rem;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -26px;
  height: 2px;
  background: var(--accent);
  transition: right .22s ease;
}

.nav-links a:hover {
  color: #fff;
}

.nav-links a:hover::after {
  right: 0;
}

.nav-cta {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), #6FA10E);
  color: #101418;
  text-decoration: none;
  font-weight: 900;
  box-shadow: 0 18px 44px rgba(139,191,25,.25);
}

.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: transparent;
  padding: 10px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: #fff;
  border-radius: 4px;
  margin: 5px 0;
}

.nav-toggle em {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.section-hero {
  position: relative;
  min-height: 760px;
  overflow: hidden;
  border-bottom: 1px solid rgba(255,255,255,.10);
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.grid-floor {
  position: absolute;
  inset: auto -20% -34% -20%;
  height: 62%;
  background-image:
    linear-gradient(rgba(139,191,25,.13) 1px, transparent 1px),
    linear-gradient(90deg, rgba(139,191,25,.13) 1px, transparent 1px);
  background-size: 48px 48px;
  transform: perspective(780px) rotateX(63deg);
  transform-origin: 50% 100%;
  opacity: .46;
}

.orbit {
  position: absolute;
  border: 1px solid rgba(139,191,25,.34);
  border-radius: 50%;
  filter: drop-shadow(0 0 18px rgba(139,191,25,.26));
  animation: orbitSpin 18s linear infinite;
}

.orbit::before,
.orbit::after {
  content: "";
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 18px var(--accent);
}

.orbit-one {
  width: 520px;
  height: 180px;
  right: 8%;
  top: 190px;
  transform: rotate(-18deg);
}

.orbit-one::before { top: 18px; left: 28%; }
.orbit-one::after { bottom: 12px; right: 20%; }

.orbit-two {
  width: 720px;
  height: 220px;
  right: -6%;
  top: 250px;
  transform: rotate(-9deg);
  animation-duration: 25s;
}

.orbit-two::before { top: 50%; left: 3%; }
.orbit-two::after { right: 12%; top: 24%; }

.orbit-three {
  width: 350px;
  height: 350px;
  right: 20%;
  top: 150px;
  animation-duration: 32s;
  opacity: .5;
}

.light-trail {
  position: absolute;
  height: 2px;
  width: 620px;
  background: linear-gradient(90deg, transparent, rgba(139,191,25,.96), transparent);
  filter: blur(.3px) drop-shadow(0 0 16px var(--accent));
  transform: rotate(-12deg);
  animation: trailMove 7s ease-in-out infinite;
}

.trail-one { right: 0; top: 410px; }
.trail-two { right: 18%; top: 320px; animation-delay: -3s; opacity: .58; }

.hero-layout {
  position: relative;
  z-index: 2;
  min-height: 760px;
  display: grid;
  grid-template-columns: .88fr 1.12fr;
  align-items: center;
  gap: 48px;
  padding: 70px 0;
}

.microline {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  margin: 0 0 22px;
  color: rgba(255,255,255,.62);
  text-transform: uppercase;
  letter-spacing: .20em;
  font-size: .72rem;
  font-weight: 850;
}

.microline span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 18px var(--accent);
}

.hero h1 {
  margin: 0;
  font-size: clamp(3rem, 6vw, 5.8rem);
  line-height: .94;
  letter-spacing: -.075em;
}

.hero h1 strong {
  display: block;
  color: var(--accent);
  font-style: normal;
  text-shadow: 0 0 42px rgba(139,191,25,.22);
}

.hero-lead {
  max-width: 640px;
  margin: 28px 0 0;
  font-size: clamp(1.06rem, 1.7vw, 1.28rem);
  color: rgba(255,255,255,.72);
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin: 34px 0 38px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  min-height: 54px;
  padding: 0 24px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 950;
  letter-spacing: -.01em;
  transition: transform .22s ease, box-shadow .22s ease, background .22s ease, border-color .22s ease;
}

.btn:hover {
  transform: translateY(-3px);
}

.btn.primary {
  background: linear-gradient(135deg, var(--accent), #6FA10E);
  color: #101418;
  box-shadow: 0 18px 44px rgba(139,191,25,.25);
}

.btn.ghost {
  background: rgba(255,255,255,.055);
  color: #fff;
  border: 1px solid rgba(139,191,25,.42);
}

.btn.ghost:hover {
  border-color: rgba(139,191,25,.9);
  box-shadow: 0 18px 44px rgba(0,0,0,.18);
}

.btn.full {
  width: 100%;
}

.hero-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  max-width: 660px;
}

.hero-points div {
  display: grid;
  grid-template-columns: 34px 1fr;
  column-gap: 12px;
  align-items: center;
  min-width: 0;
}

.hero-points i {
  grid-row: span 2;
}

.hero-points strong {
  font-size: .92rem;
  text-transform: uppercase;
  letter-spacing: .1em;
}

.hero-points small {
  color: var(--muted);
  font-size: .8rem;
}

[class^="icon-"],
[class*=" icon-"] {
  width: 30px;
  height: 30px;
  display: inline-block;
  position: relative;
}

.icon-target {
  border: 2px solid var(--accent);
  border-radius: 50%;
}
.icon-target::before,
.icon-target::after {
  content:"";
  position:absolute;
  background: var(--accent);
}
.icon-target::before { width: 2px; height: 40px; left: 12px; top: -7px; }
.icon-target::after { height: 2px; width: 40px; left: -7px; top: 12px; }

.icon-bolt::before {
  content:"";
  position:absolute;
  inset: 0;
  background: var(--accent);
  clip-path: polygon(58% 0, 12% 56%, 46% 56%, 32% 100%, 88% 40%, 54% 40%);
}

.icon-lock::before {
  content:"";
  position:absolute;
  left: 5px; top: 12px;
  width: 20px; height: 15px;
  border: 2px solid var(--accent);
  border-radius: 3px;
}
.icon-lock::after {
  content:"";
  position:absolute;
  left: 9px; top: 2px;
  width: 12px; height: 15px;
  border: 2px solid var(--accent);
  border-bottom: 0;
  border-radius: 12px 12px 0 0;
}

.hero-art {
  position: relative;
  min-height: 560px;
}

.mu-core {
  position: absolute;
  right: 22%;
  top: 130px;
  width: 210px;
  height: 210px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  border: 1px solid rgba(139,191,25,.38);
  background:
    radial-gradient(circle, rgba(139,191,25,.18), rgba(255,255,255,.02) 60%, transparent);
  box-shadow:
    inset 0 0 70px rgba(139,191,25,.10),
    0 0 80px rgba(139,191,25,.15);
  animation: pulse 3.5s ease-in-out infinite;
}

.mu-core::before,
.mu-core::after {
  content:"";
  position:absolute;
  inset: -45px;
  border-radius: 50%;
  border: 1px dashed rgba(139,191,25,.42);
  animation: spin 22s linear infinite;
}

.mu-core::after {
  inset: -84px;
  border-color: rgba(255,255,255,.17);
  animation-direction: reverse;
  animation-duration: 32s;
}

.mu-core img {
  width: 132px;
  height: 132px;
  filter: drop-shadow(0 0 30px rgba(139,191,25,.35));
}

.floating-card {
  position: absolute;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(13, 20, 31, .72);
  backdrop-filter: blur(18px);
  border-radius: 18px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.card-head {
  min-height: 38px;
  padding: 10px 14px 6px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: rgba(255,255,255,.82);
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.card-head b {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 15px var(--accent);
}

.card-chart {
  width: 230px;
  left: 50px;
  top: 60px;
}

.card-chart svg {
  display: block;
  padding: 12px;
}

.chart-grid {
  fill: none;
  stroke: rgba(255,255,255,.12);
  stroke-width: 1;
}

.chart-line {
  fill: none;
  stroke: var(--accent);
  stroke-width: 4;
  stroke-linecap: round;
  filter: drop-shadow(0 0 8px rgba(139,191,25,.6));
}

.card-result {
  width: 380px;
  right: 38px;
  top: 215px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  padding: 16px;
}

.form-grid label {
  padding: 12px;
  border-radius: 12px;
  background: rgba(255,255,255,.045);
  color: rgba(255,255,255,.58);
  font-size: .78rem;
}

.form-grid strong {
  display: block;
  margin-top: 4px;
  color: #fff;
  font-size: .98rem;
}

.form-grid .ok {
  color: var(--accent);
}

.card-gauge {
  width: 160px;
  height: 178px;
  right: 18px;
  top: 55px;
  display: grid;
  place-items: center;
  padding-top: 14px;
}

.gauge {
  width: 112px;
  height: 112px;
  position: relative;
  border-radius: 50%;
  background:
    radial-gradient(circle at center, rgba(13,20,31,.96) 0 54%, transparent 55%),
    conic-gradient(var(--accent) 0 72%, rgba(255,255,255,.10) 72% 100%);
  display: grid;
  place-items: center;
  filter: drop-shadow(0 0 18px rgba(139,191,25,.22));
}

.gauge strong {
  font-size: 2.1rem;
  line-height: .95;
}

.gauge small {
  position: absolute;
  bottom: 26px;
  color: var(--muted);
}

.card-gauge p {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: .88rem;
}

.card-model {
  left: 110px;
  bottom: 58px;
  width: 180px;
  padding: 16px;
}

.card-model svg {
  display: block;
  fill: none;
  stroke: rgba(255,255,255,.45);
  stroke-width: 2;
}

.card-model svg circle {
  fill: var(--accent);
  stroke: none;
  filter: drop-shadow(0 0 10px var(--accent));
}

.card-model span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: .84rem;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.float-a { animation: float 8s ease-in-out infinite; }
.float-b { animation: float 9s ease-in-out -2s infinite; }
.float-c { animation: float 7s ease-in-out -1s infinite; }
.float-d { animation: float 10s ease-in-out -3s infinite; }

.section {
  position: relative;
  padding: 92px 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.about {
  background:
    linear-gradient(90deg, rgba(139,191,25,.035), transparent 40%),
    rgba(7, 11, 18, .74);
}

.about-layout {
  display: grid;
  grid-template-columns: .84fr 1.16fr;
  gap: 62px;
  align-items: center;
}

.wire-cube {
  min-height: 330px;
  position: relative;
  display: grid;
  place-items: center;
}

.wire-cube svg {
  position: relative;
  z-index: 2;
  width: min(100%, 380px);
  fill: none;
  stroke: rgba(255,255,255,.42);
  stroke-width: 2;
  filter: drop-shadow(0 0 18px rgba(139,191,25,.12));
}

.wire-cube circle {
  fill: var(--accent);
  stroke: none;
  filter: drop-shadow(0 0 16px var(--accent));
}

.cube-glow {
  position: absolute;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(139,191,25,.38), transparent 62%);
  filter: blur(3px);
}

.rings {
  position: absolute;
  width: 360px;
  height: 360px;
  border: 1px dashed rgba(139,191,25,.35);
  border-radius: 50%;
  animation: spin 28s linear infinite;
}

.rings::before,
.rings::after {
  content:"";
  position:absolute;
  inset: 44px;
  border: 1px solid rgba(139,191,25,.18);
  border-radius: 50%;
}

.rings::after {
  inset: -34px;
  border-style: dotted;
  border-color: rgba(255,255,255,.12);
}

.section-label {
  margin: 0 0 12px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: .16em;
  font-weight: 900;
  font-size: .75rem;
}

.about h2,
.section-title h2,
.notify h2 {
  margin: 0 0 16px;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.06;
  letter-spacing: -.055em;
}

.about h2 strong,
.section-title h2 strong {
  color: var(--accent);
}

.about p,
.section-title p,
.notify p {
  color: var(--muted);
  font-size: 1.03rem;
}

.identity {
  margin-top: 28px;
  padding: 18px;
  border: 1px solid rgba(139,191,25,.35);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(139,191,25,.12), rgba(255,255,255,.03));
  display: flex;
  gap: 16px;
  align-items: center;
}

.identity img {
  width: 58px;
  height: 58px;
  flex: 0 0 58px;
}

.identity strong,
.identity span,
.identity small {
  display: block;
}

.identity span,
.identity small {
  color: var(--muted);
}

.section-title {
  max-width: 780px;
  margin-bottom: 34px;
}

.section-title.centered {
  text-align: center;
  margin: 0 auto 40px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.feature-card,
.tool-card,
.notify-box,
.contact-box,
.building-wire {
  position: relative;
  border: 1px solid rgba(255,255,255,.12);
  background:
    linear-gradient(180deg, rgba(255,255,255,.055), rgba(255,255,255,.025));
  border-radius: var(--radius);
  box-shadow: 0 20px 60px rgba(0,0,0,.20);
  overflow: hidden;
}

.feature-card::before,
.tool-card::before,
.notify-box::before,
.contact-box::before {
  content:"";
  position:absolute;
  inset: 0 0 auto;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: .85;
}

.feature-card {
  padding: 24px;
  min-height: 230px;
}

.feature-card h3,
.tool-card h3 {
  margin: 22px 0 10px;
  font-size: 1.08rem;
  letter-spacing: -.03em;
}

.feature-card p,
.tool-card p {
  color: var(--muted);
  font-size: .94rem;
  margin: 0;
}

.icon-code::before {
  content:"</>";
  color: var(--accent);
  font-weight: 1000;
  font-size: 1.6rem;
}

.icon-table,
.icon-doc,
.icon-ai,
.icon-mail,
.icon-location,
.icon-user,
.icon-tax {
  border: 2px solid var(--accent);
  border-radius: 7px;
}

.icon-table::before {
  content:"";
  position:absolute;
  inset: 6px;
  background:
    linear-gradient(var(--accent), var(--accent)) 0 50%/100% 2px no-repeat,
    linear-gradient(90deg, var(--accent), var(--accent)) 50% 0/2px 100% no-repeat;
}
.icon-doc::before {
  content:"";
  position:absolute;
  left: 7px; right: 7px; top: 8px; height: 2px;
  background: var(--accent);
  box-shadow: 0 7px 0 var(--accent), 0 14px 0 var(--accent);
}
.icon-ai {
  border-radius: 50%;
}
.icon-ai::before {
  content:"";
  position:absolute;
  inset: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 22px var(--accent);
}

.calculators {
  background:
    radial-gradient(circle at 50% 0%, rgba(139,191,25,.10), transparent 32%),
    rgba(5, 8, 13, .30);
}

.calculator-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 18px;
}

.tool-card {
  min-height: 286px;
  padding: 24px;
  transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}

.tool-card:hover {
  transform: translateY(-6px);
  border-color: rgba(139,191,25,.55);
  box-shadow: 0 26px 80px rgba(0,0,0,.28);
}

.tool-card.featured {
  background:
    radial-gradient(circle at 70% 20%, rgba(139,191,25,.12), transparent 42%),
    linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.025));
}

.tool-icon {
  width: 56px;
  height: 56px;
  position: relative;
  color: var(--accent);
}

.tool-icon.airflow::before {
  content:"";
  position:absolute;
  inset: 10px 0;
  border-top: 3px solid var(--accent);
  border-bottom: 3px solid var(--accent);
  border-radius: 50%;
}
.tool-icon.airflow::after {
  content:"";
  position:absolute;
  left: 8px; right: 8px; top: 26px;
  height: 3px;
  background: var(--accent);
}

.tool-icon.exchange::before {
  content:"";
  position:absolute;
  inset: 13px 4px;
  border-top: 3px solid var(--accent);
  border-bottom: 3px solid var(--accent);
}
.tool-icon.exchange::after {
  content:"↔";
  position:absolute;
  inset:0;
  display:grid;
  place-items:center;
  color:var(--accent);
  font-size:2rem;
}

.tool-icon.duct::before {
  content:"";
  position:absolute;
  inset: 8px;
  border: 3px solid var(--accent);
}
.tool-icon.duct::after {
  content:"";
  position:absolute;
  top: 8px;
  bottom: 8px;
  left: 50%;
  width: 3px;
  background: var(--accent);
}

.tool-icon.document {
  border: 3px solid var(--accent);
  border-radius: 8px;
}
.tool-icon.document::before {
  content:"";
  position:absolute;
  left: 10px; right: 10px; top: 16px; height: 3px;
  background: var(--accent);
  box-shadow: 0 11px 0 var(--accent), 0 22px 0 var(--accent);
}

.progress {
  height: 4px;
  margin: 22px 0 18px;
  border-radius: 999px;
  background: rgba(255,255,255,.12);
  overflow: hidden;
}

.progress span {
  display: block;
  height: 100%;
  background: var(--accent);
  box-shadow: 0 0 16px var(--accent);
}

.tool-card a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 950;
}

.notify {
  background:
    linear-gradient(90deg, rgba(139,191,25,.04), transparent 40%, rgba(139,191,25,.04));
}

.notify-grid {
  display: grid;
  grid-template-columns: 1fr 1fr .92fr;
  gap: 18px;
  align-items: stretch;
}

.notify-box,
.contact-box,
.building-wire {
  padding: 30px;
}

.notify-box small {
  display: block;
  color: var(--muted-2);
  margin-top: 14px;
}

.contact-list {
  display: grid;
  gap: 12px;
  margin: 24px 0;
}

.contact-list a,
.contact-list span {
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255,255,255,.82);
  text-decoration: none;
}

.contact-list i {
  width: 24px;
  height: 24px;
  flex: 0 0 24px;
}

.icon-mail::before {
  content:"";
  position:absolute;
  left: 3px; right: 3px; top: 7px; height: 10px;
  border-top: 2px solid var(--accent);
  transform: skewY(-24deg);
}

.icon-location {
  border-radius: 50% 50% 50% 4px;
  transform: rotate(-45deg);
}
.icon-location::before {
  content:"";
  position:absolute;
  inset: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.icon-user {
  border-radius: 50%;
}
.icon-user::before {
  content:"";
  position:absolute;
  left: 7px; top: 5px;
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 11px 0 4px rgba(139,191,25,.45);
}

.icon-tax::before {
  content:"#";
  position:absolute;
  inset:0;
  display:grid;
  place-items:center;
  color:var(--accent);
  font-weight: 900;
}

.contact-button {
  width: fit-content;
}

.building-wire {
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 50% 50%, rgba(139,191,25,.16), transparent 48%),
    linear-gradient(180deg, rgba(255,255,255,.045), rgba(255,255,255,.02));
}

.building-wire svg {
  fill: none;
  stroke: rgba(255,255,255,.52);
  stroke-width: 2;
  filter: drop-shadow(0 0 20px rgba(139,191,25,.16));
}

.building-wire circle {
  fill: var(--accent);
  stroke: none;
  filter: drop-shadow(0 0 16px var(--accent));
}

.site-footer {
  padding: 24px 0;
  background: #030508;
  border-top: 1px solid rgba(255,255,255,.08);
}

.footer-layout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  color: var(--muted);
  font-size: .92rem;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  text-decoration: none;
  font-weight: 900;
}

.footer-brand img {
  width: 32px;
  height: 32px;
}

.footer-links {
  display: flex;
  gap: 18px;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--accent);
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .8s ease, transform .8s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 { transition-delay: .12s; }
.delay-2 { transition-delay: .22s; }
.delay-3 { transition-delay: .32s; }

@keyframes float {
  0%, 100% { transform: translate3d(0,0,0); }
  50% { transform: translate3d(0,-16px,0); }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes pulse {
  0%,100% { transform: scale(1); }
  50% { transform: scale(1.03); }
}

@keyframes orbitSpin {
  0% { rotate: 0deg; }
  100% { rotate: 360deg; }
}

@keyframes trailMove {
  0%,100% { transform: translateX(-30px) rotate(-12deg); opacity: .35; }
  50% { transform: translateX(40px) rotate(-12deg); opacity: .95; }
}

@media (max-width: 1120px) {
  .hero-layout,
  .about-layout,
  .notify-grid {
    grid-template-columns: 1fr;
  }

  .hero-art {
    min-height: 560px;
  }

  .feature-grid,
  .calculator-grid {
    grid-template-columns: repeat(2, minmax(0,1fr));
  }

  .building-wire {
    min-height: 260px;
  }
}

@media (max-width: 860px) {
  .nav {
    min-height: 70px;
  }

  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 70px;
    left: 18px;
    right: 18px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(7, 11, 18, .96);
    box-shadow: var(--shadow);
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links a::after {
    display: none;
  }

  .nav-cta {
    display: none;
  }

  .brand img {
    width: 44px;
    height: 44px;
  }

  .brand small {
    display: none;
  }

  .section-hero,
  .hero-layout {
    min-height: auto;
  }

  .hero-layout {
    padding: 64px 0 50px;
  }

  .hero-points {
    grid-template-columns: 1fr;
  }

  .hero-art {
    min-height: 520px;
  }

  .mu-core {
    right: 50%;
    translate: 50% 0;
    top: 130px;
  }

  .card-chart {
    left: 0;
    top: 10px;
  }

  .card-result {
    width: min(100%, 380px);
    right: 0;
    top: 270px;
  }

  .card-gauge {
    right: 0;
    top: 70px;
  }

  .card-model {
    left: 0;
    bottom: 20px;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 28px, var(--container));
  }

  .microline {
    letter-spacing: .12em;
  }

  .hero-actions,
  .footer-layout {
    flex-direction: column;
    align-items: stretch;
  }

  .btn,
  .contact-button {
    width: 100%;
  }

  .feature-grid,
  .calculator-grid {
    grid-template-columns: 1fr;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .hero-art {
    min-height: 610px;
  }

  .card-chart,
  .card-gauge,
  .card-model,
  .card-result {
    position: relative;
    inset: auto;
    width: 100%;
    margin-bottom: 14px;
    animation: none;
  }

  .mu-core {
    position: relative;
    right: auto;
    top: auto;
    translate: 0;
    margin: 30px auto;
    width: 170px;
    height: 170px;
  }

  .mu-core img {
    width: 104px;
    height: 104px;
  }

  .section {
    padding: 68px 0;
  }

  .identity {
    align-items: flex-start;
  }

  .identity img {
    width: 48px;
    height: 48px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .001ms !important;
  }
}