:root {
  --bg: #000000;
  --bg-2: #05070a;
  --surface: #0c1117;
  --surface-2: #111923;
  --panel: rgba(255, 255, 255, 0.055);
  --panel-strong: rgba(255, 255, 255, 0.085);
  --text: #f4f7fb;
  --muted: #afb9c6;
  --line: rgba(167, 184, 205, 0.18);
  --electric: #6ea8fe;
  --electric-2: #3b82f6;
  --gold: #f6c453;
  --danger: #ff6b6b;
  --success: #5bd69e;
  --ink: #090d12;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.46);
  --radius: 24px;
  --max-width: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background-color: #000000;
  background-image: none;
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.85), transparent 78%);
  z-index: -2;
}

body::after {
  content: "";
  position: fixed;
  inset: -10%;
  pointer-events: none;
  background:
    linear-gradient(115deg, transparent 0 20%, rgba(110,168,254,0.05) 20.5% 21%, transparent 21.5% 56%, rgba(246,196,83,0.04) 56.5% 57%, transparent 57.5%),
    radial-gradient(circle, rgba(255,255,255,0.08) 1px, transparent 1.5px);
  background-size: 100% 100%, 90px 90px;
  animation: drift 24s linear infinite;
  z-index: -1;
}

@keyframes drift {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(-90px, -90px, 0); }
}

a {
  color: inherit;
  text-decoration: none;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

.scroll-progress {
  position: fixed;
  inset: 0 auto auto 0;
  width: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--electric), var(--gold));
  z-index: 100;
  box-shadow: 0 0 24px rgba(110, 168, 254, 0.75);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(calc(100% - 32px), var(--max-width));
  margin: 16px auto 0;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.84);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--gold), var(--electric));
  color: #090d12;
  box-shadow: 0 0 36px rgba(110, 168, 254, 0.34);
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  letter-spacing: -0.03em;
  font-size: 1rem;
}

.brand small {
  color: var(--muted);
  font-size: 0.72rem;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-menu a {
  padding: 11px 14px;
  border-radius: 999px;
  color: var(--muted);
  transition: 0.25s ease;
}

.nav-menu a:hover,
.nav-menu a:focus-visible {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

.nav-menu .nav-cta {
  color: #090d12;
  background: linear-gradient(135deg, var(--gold), var(--electric));
  font-weight: 800;
}

.nav-menu .nav-app {
  color: var(--electric);
  border: 1px solid rgba(110, 168, 254, 0.32);
  background: rgba(110, 168, 254, 0.08);
  font-weight: 800;
}

.nav-menu .nav-app:hover,
.nav-menu .nav-app:focus-visible {
  color: #090d12;
  background: linear-gradient(135deg, rgba(110, 168, 254, 0.95), rgba(255, 215, 122, 0.9));
}

.nav-menu .nav-site-link {
  color: var(--gold);
  border: 1px solid rgba(246, 196, 83, 0.34);
  background: rgba(246, 196, 83, 0.08);
  font-weight: 800;
}

.nav-menu .nav-site-link:hover,
.nav-menu .nav-site-link:focus-visible {
  color: #090d12;
  background: linear-gradient(135deg, var(--gold), var(--electric));
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  border-radius: 14px;
  padding: 10px 13px;
}

.section,
.section-grid,
.stats-bar,
.site-footer {
  width: min(calc(100% - 32px), var(--max-width));
  margin-inline: auto;
}

.section {
  padding: 92px 0 0;
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
  gap: 34px;
  align-items: center;
  min-height: calc(100vh - 98px);
  padding: 64px 0 38px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 16px;
  color: var(--gold);
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

.eyebrow::before {
  content: "";
  width: 32px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2 {
  line-height: 0.98;
  letter-spacing: -0.075em;
}

h1 {
  max-width: 820px;
  margin-bottom: 22px;
  font-size: clamp(3.2rem, 8vw, 7.1rem);
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2.35rem, 5vw, 4.85rem);
}

h3 {
  letter-spacing: -0.035em;
}

.hero-lead,
.section-heading p {
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.8;
}

.hero-lead {
  max-width: 690px;
  font-size: clamp(1.08rem, 2vw, 1.32rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 32px 0 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 14px 22px;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 900;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

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

.btn-primary {
  color: #090d12;
  background: linear-gradient(135deg, var(--gold), var(--electric));
  box-shadow: 0 18px 44px rgba(110, 168, 254, 0.22);
}

.btn-secondary {
  color: var(--text);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.08);
}

.safety-strip {
  max-width: 760px;
  padding: 16px 18px;
  border: 1px solid rgba(246, 196, 83, 0.35);
  border-radius: 20px;
  color: #ffe2a4;
  background: linear-gradient(135deg, rgba(246,196,83,0.13), rgba(110,168,254,0.08));
  line-height: 1.65;
}

.safety-strip span {
  font-weight: 900;
  color: var(--gold);
}

.hero-panel {
  position: relative;
  min-height: 620px;
  border: 1px solid var(--line);
  border-radius: 44px;
  background:
    linear-gradient(145deg, rgba(255,255,255,0.11), rgba(255,255,255,0.03)),
    radial-gradient(circle at 50% 38%, rgba(110,168,254,0.28), transparent 24rem);
  box-shadow: var(--shadow), inset 0 0 80px rgba(110,168,254,0.08);
  overflow: hidden;
}

.hero-panel::before,
.hero-panel::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  pointer-events: none;
}

.hero-panel::before {
  inset: 12%;
  border: 1px dashed rgba(110, 168, 254, 0.28);
  animation: rotate 18s linear infinite;
}

.hero-panel::after {
  width: 380px;
  height: 380px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(246,196,83,0.28), rgba(110,168,254,0.12), transparent 68%);
  filter: blur(10px);
}

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

.circuit-orb {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 280px;
  height: 280px;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 50%;
  background:
    radial-gradient(circle at 40% 30%, rgba(255,255,255,0.28), transparent 16%),
    radial-gradient(circle, rgba(110,168,254,0.32), rgba(59,130,246,0.12) 52%, transparent 72%);
  box-shadow:
    0 0 70px rgba(110, 168, 254, 0.42),
    inset 0 0 50px rgba(255,255,255,0.08);
  z-index: 2;
}

.circuit-orb::before,
.circuit-orb::after {
  content: "";
  position: absolute;
  inset: -34px;
  border-radius: 50%;
  border: 1px solid rgba(246, 196, 83, 0.18);
}

.circuit-orb::after {
  inset: 44px;
  border-color: rgba(110,168,254,0.26);
}

.spark {
  position: absolute;
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: var(--gold);
  box-shadow: 0 0 24px var(--gold);
}

.spark-a { left: 30px; top: 78px; animation: pulse 1.7s ease-in-out infinite; }
.spark-b { right: 52px; top: 42px; animation: pulse 2.2s ease-in-out infinite; }
.spark-c { right: 78px; bottom: 48px; animation: pulse 1.9s ease-in-out infinite; }

@keyframes pulse {
  0%, 100% { transform: scale(0.74); opacity: 0.5; }
  50% { transform: scale(1.25); opacity: 1; }
}

.panel-card {
  position: absolute;
  z-index: 3;
  width: 210px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(6, 9, 17, 0.7);
  backdrop-filter: blur(18px);
  box-shadow: 0 24px 60px rgba(0,0,0,0.34);
}

.panel-card span,
.panel-card small {
  display: block;
  color: var(--muted);
}

.panel-card strong {
  display: block;
  margin: 8px 0 4px;
  font-size: 2rem;
  letter-spacing: -0.06em;
}

.voltage-card { top: 84px; left: 34px; }
.fault-card { right: 28px; top: 218px; }
.repair-card { left: 70px; bottom: 92px; }

.signal-lines {
  position: absolute;
  inset: 0;
  opacity: 0.45;
  background:
    linear-gradient(90deg, transparent 0 46%, rgba(110,168,254,0.28) 46.2% 46.5%, transparent 46.7%),
    linear-gradient(transparent 0 52%, rgba(246,196,83,0.25) 52.2% 52.5%, transparent 52.7%);
  z-index: 1;
}

.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 24px;
}

.stats-bar article {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: var(--panel);
  backdrop-filter: blur(14px);
}

.stats-bar strong,
.stats-bar span {
  display: block;
}

.stats-bar strong {
  margin-bottom: 8px;
  font-size: 2.1rem;
  letter-spacing: -0.06em;
}

.stats-bar span {
  color: var(--muted);
}

.section-heading {
  max-width: 820px;
  margin-bottom: 34px;
}

.service-grid,
.problem-grid,
.tool-grid,
.showcase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.service-card,
.problem-card,
.tool-card,
.showcase-card,
.timeline-step,
.contact-card,
.faq-list,
.meter-card,
.tabs {
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(255,255,255,0.095), rgba(255,255,255,0.035));
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.service-card,
.problem-card,
.tool-card,
.showcase-card {
  position: relative;
  min-height: 260px;
  padding: 28px;
  border-radius: var(--radius);
  overflow: hidden;
}

.service-card::before,
.showcase-card::before,
.tool-card::before,
.problem-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(110,168,254,0.16), transparent 16rem);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.service-card:hover::before,
.showcase-card:hover::before,
.tool-card:hover::before,
.problem-card:hover::before {
  opacity: 1;
}

.service-icon {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  margin-bottom: 18px;
  border-radius: 20px;
  background: rgba(110, 168, 254, 0.12);
  font-size: 1.6rem;
}

.service-card h3,
.problem-card h3,
.tool-card h3,
.showcase-card h3 {
  margin-bottom: 12px;
  font-size: 1.45rem;
}

.service-card p,
.problem-card p,
.tool-card p,
.showcase-card p,
.timeline-step p,
.faq-list p,
.contact-card p,
.meter-card p,
.tab-panel,
.site-footer p {
  color: var(--muted);
  line-height: 1.75;
}

.service-card ul,
.tab-panel ul,
.tab-panel ol,
.check-list {
  position: relative;
  z-index: 1;
  margin: 18px 0 0;
  padding-left: 20px;
  color: #dce4ed;
  line-height: 1.8;
}

.problem-tools {
  display: grid;
  gap: 14px;
  margin-bottom: 22px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.055);
}

.problem-tools label {
  color: var(--gold);
  font-weight: 800;
}

.problem-tools input,
.contact-form input,
.contact-form select,
.contact-form textarea,
.mini-form input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 18px;
  outline: 0;
  background: rgba(0, 0, 0, 0.22);
  color: var(--text);
  padding: 15px 16px;
}

.problem-tools input:focus,
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus,
.mini-form input:focus {
  border-color: rgba(110, 168, 254, 0.72);
  box-shadow: 0 0 0 4px rgba(110, 168, 254, 0.12);
}

.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--muted);
  cursor: pointer;
  padding: 10px 14px;
  transition: 0.2s ease;
}

.chip.active,
.chip:hover {
  background: linear-gradient(135deg, rgba(246,196,83,0.95), rgba(110,168,254,0.95));
  color: #090d12;
  border-color: transparent;
}

.risk {
  display: inline-flex;
  margin-bottom: 16px;
  padding: 8px 11px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.risk.urgent {
  color: #fff1f1;
  background: rgba(255, 107, 107, 0.18);
  border: 1px solid rgba(255, 107, 107, 0.32);
}

.risk.caution {
  color: #fff0c8;
  background: rgba(246, 196, 83, 0.16);
  border: 1px solid rgba(246, 196, 83, 0.32);
}

.risk.normal {
  color: #d9fae9;
  background: rgba(91, 214, 158, 0.14);
  border: 1px solid rgba(91, 214, 158, 0.28);
}

.academy-layout {
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
  gap: 20px;
  align-items: stretch;
}

.meter-card,
.tabs {
  border-radius: var(--radius);
}

.meter-card {
  display: grid;
  gap: 20px;
  padding: 24px;
}

.meter-screen {
  min-height: 210px;
  padding: 22px;
  border-radius: 22px;
  background: linear-gradient(145deg, rgba(110,168,254,0.18), rgba(246,196,83,0.1));
  border: 1px solid rgba(110,168,254,0.26);
}

.meter-screen span,
.meter-screen small,
.meter-screen strong {
  display: block;
}

.meter-screen span {
  color: var(--gold);
  font-weight: 900;
}

.meter-screen strong {
  margin: 22px 0 12px;
  font-size: 2.6rem;
  letter-spacing: -0.08em;
}

.meter-screen small {
  color: #d7e5f7;
  line-height: 1.6;
}

.meter-dial {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.meter-dial span {
  display: grid;
  place-items: center;
  height: 66px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255,255,255,0.08);
  font-weight: 900;
  font-size: 1.3rem;
}

.meter-warning {
  padding: 14px;
  border: 1px solid rgba(255, 107, 107, 0.35);
  border-radius: 18px;
  color: #ffd7d7 !important;
  background: rgba(255, 107, 107, 0.1);
}

.tabs {
  padding: 12px;
}

.tab-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.tab-btn {
  flex: 1 1 auto;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255,255,255,0.07);
  color: var(--muted);
  cursor: pointer;
  padding: 13px 14px;
  font-weight: 800;
}

.tab-btn.active {
  color: #090d12;
  background: linear-gradient(135deg, var(--gold), var(--electric));
  border-color: transparent;
}

.tab-panel {
  display: none;
  min-height: 370px;
  padding: 26px;
  border-radius: 22px;
  background: rgba(0,0,0,0.18);
}

.tab-panel.active {
  display: block;
}

.tool-card {
  min-height: 340px;
}

.mini-form {
  display: grid;
  gap: 12px;
  margin: 20px 0;
}

.mini-form label,
.contact-form label {
  display: grid;
  gap: 8px;
  color: #d9e3ee;
  font-weight: 750;
}

#current-output {
  display: block;
  padding: 16px;
  border-radius: 18px;
  color: #d9e8f8;
  background: rgba(110, 168, 254, 0.1);
  border: 1px solid rgba(110, 168, 254, 0.24);
  line-height: 1.65;
}

.danger-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.danger-list span {
  padding: 12px 14px;
  border-radius: 999px;
  color: #ffdada;
  border: 1px solid rgba(255, 107, 107, 0.28);
  background: rgba(255, 107, 107, 0.12);
  font-weight: 800;
}

.check-list {
  padding-left: 0;
  list-style: none;
}

.check-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-bottom: 12px;
}

.check-list li::before {
  content: "✓";
  color: var(--success);
  font-weight: 900;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
}

.timeline-step {
  position: relative;
  min-height: 250px;
  padding: 24px;
  border-radius: 26px;
  overflow: hidden;
}

.timeline-step::after {
  content: "";
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 20px;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--gold), var(--electric));
}

.timeline-step span {
  display: inline-flex;
  margin-bottom: 28px;
  color: var(--gold);
  font-weight: 950;
  font-size: 1.6rem;
  letter-spacing: -0.05em;
}

.showcase-card {
  min-height: 220px;
}

.faq-list {
  border-radius: var(--radius);
  overflow: hidden;
}

.faq-list details {
  padding: 20px 24px;
  border-bottom: 1px solid var(--line);
}

.faq-list details:last-child {
  border-bottom: 0;
}

.faq-list summary {
  cursor: pointer;
  color: var(--text);
  font-weight: 900;
  font-size: 1.1rem;
}

.contact-card {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 30px;
  padding: 34px;
  border-radius: 36px;
  background:
    radial-gradient(circle at top left, rgba(110,168,254,0.18), transparent 26rem),
    linear-gradient(145deg, rgba(255,255,255,0.12), rgba(255,255,255,0.04));
}

.contact-lines {
  display: grid;
  gap: 8px;
  margin-top: 24px;
}

.contact-lines p {
  margin: 0;
}

.contact-form {
  display: grid;
  gap: 14px;
}

.contact-form select option {
  color: #090d12;
}

.form-note {
  min-height: 28px;
  margin: 0;
  color: var(--muted);
}

.site-footer {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 28px;
  margin-top: 92px;
  padding: 34px 0 26px;
  border-top: 1px solid var(--line);
}

.site-footer h3 {
  margin-bottom: 16px;
}

.site-footer a:not(.brand) {
  display: block;
  margin: 10px 0;
  color: var(--muted);
}

.site-footer a:hover {
  color: var(--electric);
}

.footer-bottom {
  grid-column: 1 / -1;
  margin: 14px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

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

@media (max-width: 1080px) {
  .section-grid,
  .academy-layout,
  .contact-card {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    min-height: 540px;
  }

  .service-grid,
  .problem-grid,
  .tool-grid,
  .showcase-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .timeline {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 860px) {
  .site-header {
    border-radius: 26px;
    align-items: flex-start;
  }

  .nav-toggle {
    display: inline-grid;
    place-items: center;
  }

  .nav-menu {
    position: absolute;
    left: 0;
    right: 0;
    top: calc(100% + 10px);
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 24px;
    background: rgba(0,0,0,0.97);
    box-shadow: var(--shadow);
  }

  .nav-menu.open {
    display: flex;
  }

  .nav-menu a {
    text-align: center;
  }

  .section-grid {
    min-height: auto;
    padding-top: 54px;
  }

  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
  }

  .site-footer {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .section,
  .section-grid,
  .stats-bar,
  .site-footer {
    width: min(calc(100% - 24px), var(--max-width));
  }

  .site-header {
    width: min(calc(100% - 24px), var(--max-width));
    padding: 12px;
  }

  .brand small {
    display: none;
  }

  .hero-panel {
    min-height: 460px;
    border-radius: 30px;
  }

  .circuit-orb {
    width: 220px;
    height: 220px;
  }

  .panel-card {
    width: 170px;
    padding: 14px;
  }

  .panel-card strong {
    font-size: 1.55rem;
  }

  .voltage-card { top: 40px; left: 16px; }
  .fault-card { right: 12px; top: 185px; }
  .repair-card { left: 22px; bottom: 44px; }

  .service-grid,
  .problem-grid,
  .tool-grid,
  .showcase-grid,
  .timeline,
  .stats-bar {
    grid-template-columns: 1fr;
  }

  .contact-card {
    padding: 24px;
  }

  h1 {
    font-size: clamp(2.7rem, 16vw, 4.2rem);
  }

  h2 {
    font-size: clamp(2.2rem, 12vw, 3.4rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }
}


/* Cross-site black theme: requested deployment finish */
html, body {
  background-color: #000000;
}

.site-footer {
  background-color: #000000;
}

/* REFINED PREMIUM BLACK THEME — 2026
   Restrained amber + trustworthy blue, calmer surfaces, readable type scale. */
body {
  background-color: #000000;
  background-image:
    radial-gradient(circle at 86% 8%, rgba(110, 168, 254, 0.075), transparent 32rem),
    radial-gradient(circle at 12% 24%, rgba(246, 196, 83, 0.055), transparent 28rem);
}

body::before {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.72;
}

body::after {
  background:
    radial-gradient(circle at 72% 22%, rgba(110, 168, 254, 0.09), transparent 21rem),
    radial-gradient(circle at 26% 68%, rgba(246, 196, 83, 0.055), transparent 24rem);
  background-size: 100% 100%;
  animation: none;
}

.scroll-progress {
  background: var(--gold);
  box-shadow: 0 0 18px rgba(246, 196, 83, 0.42);
}

.site-header {
  width: min(calc(100% - 32px), var(--max-width));
  padding: 12px 14px;
  border-color: rgba(167, 184, 205, 0.2);
  background: rgba(3, 5, 7, 0.9);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.38);
}

.brand-mark {
  background: linear-gradient(145deg, #ffe08a, var(--gold));
  color: var(--ink);
  box-shadow: 0 10px 28px rgba(246, 196, 83, 0.2);
}

.nav-menu a {
  padding: 10px 12px;
  font-size: 0.92rem;
}

.nav-menu a:hover,
.nav-menu a:focus-visible {
  background: rgba(255, 255, 255, 0.07);
}

.nav-menu .nav-cta {
  color: var(--ink);
  background: var(--gold);
  box-shadow: 0 10px 24px rgba(246, 196, 83, 0.16);
}

.nav-menu .nav-cta:hover,
.nav-menu .nav-cta:focus-visible {
  color: var(--ink);
  background: #ffd97a;
}

.nav-menu .nav-app {
  color: #91bdff;
  border-color: rgba(110, 168, 254, 0.32);
  background: rgba(110, 168, 254, 0.085);
}

.nav-menu .nav-app:hover,
.nav-menu .nav-app:focus-visible {
  color: var(--ink);
  background: #8ab8ff;
}

.nav-menu .nav-site-link {
  color: #f8cf76;
  border-color: rgba(246, 196, 83, 0.32);
  background: rgba(246, 196, 83, 0.07);
}

.nav-menu .nav-site-link:hover,
.nav-menu .nav-site-link:focus-visible {
  color: var(--ink);
  background: var(--gold);
}

.section {
  padding-top: 84px;
}

.section-grid {
  grid-template-columns: minmax(0, 1.18fr) minmax(390px, 0.82fr);
  gap: 48px;
  min-height: min(780px, calc(100vh - 98px));
  padding: 70px 0 46px;
}

h1,
h2 {
  line-height: 1.04;
  letter-spacing: -0.05em;
  text-wrap: balance;
}

h1 {
  max-width: 790px;
  margin-bottom: 22px;
  font-size: clamp(2.9rem, 4.8vw, 4.45rem);
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2.15rem, 3.8vw, 3.55rem);
  line-height: 1.07;
  letter-spacing: -0.045em;
}

h3 {
  letter-spacing: -0.025em;
}

.eyebrow {
  color: var(--gold);
  letter-spacing: 0.14em;
}

.hero-lead,
.section-heading p {
  color: #b8c2cf;
  line-height: 1.75;
}

.hero-lead {
  max-width: 720px;
  font-size: clamp(1.05rem, 1.55vw, 1.22rem);
}

.btn {
  min-height: 50px;
  padding: 13px 21px;
}

.btn-primary {
  color: var(--ink);
  background: var(--gold);
  box-shadow: 0 14px 34px rgba(246, 196, 83, 0.18);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: #ffd97a;
  box-shadow: 0 18px 38px rgba(246, 196, 83, 0.24);
}

.btn-secondary {
  color: var(--text);
  border-color: rgba(167, 184, 205, 0.23);
  background: #0d131a;
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  border-color: rgba(110, 168, 254, 0.45);
  background: #121b25;
}

.safety-strip {
  border-color: rgba(246, 196, 83, 0.32);
  color: #ead9b4;
  background: #0d1116;
}

.hero-panel {
  min-height: 548px;
  border-color: rgba(167, 184, 205, 0.2);
  border-radius: 36px;
  background:
    radial-gradient(circle at 50% 42%, rgba(110, 168, 254, 0.2), transparent 20rem),
    linear-gradient(145deg, #111923, #070b10 72%);
  box-shadow: var(--shadow), inset 0 0 70px rgba(110, 168, 254, 0.045);
}

.hero-panel::before {
  border-color: rgba(110, 168, 254, 0.22);
}

.hero-panel::after {
  background: radial-gradient(circle, rgba(246, 196, 83, 0.2), rgba(110, 168, 254, 0.095), transparent 68%);
}

.circuit-orb {
  background:
    radial-gradient(circle at 40% 30%, rgba(255, 255, 255, 0.22), transparent 16%),
    radial-gradient(circle, rgba(110, 168, 254, 0.25), rgba(59, 130, 246, 0.08) 52%, transparent 72%);
  box-shadow: 0 0 58px rgba(110, 168, 254, 0.28), inset 0 0 45px rgba(255, 255, 255, 0.055);
}

.panel-card {
  background: rgba(8, 12, 17, 0.86);
  box-shadow: 0 20px 46px rgba(0, 0, 0, 0.3);
}

.stats-bar article,
.service-card,
.problem-card,
.tool-card,
.showcase-card,
.timeline-step,
.contact-card,
.faq-list,
.meter-card,
.tabs {
  border-color: rgba(167, 184, 205, 0.18);
  background: linear-gradient(180deg, rgba(17, 25, 35, 0.94), rgba(8, 12, 17, 0.95));
  box-shadow: 0 18px 52px rgba(0, 0, 0, 0.34);
}

.service-card,
.problem-card,
.tool-card,
.showcase-card,
.timeline-step {
  transition: transform 0.24s ease, border-color 0.24s ease, background 0.24s ease;
}

.service-card:hover,
.problem-card:hover,
.tool-card:hover,
.showcase-card:hover,
.timeline-step:hover {
  transform: translateY(-4px);
  border-color: rgba(110, 168, 254, 0.34);
}

.service-card::before,
.showcase-card::before,
.tool-card::before,
.problem-card::before {
  background: radial-gradient(circle at top right, rgba(110, 168, 254, 0.105), transparent 16rem);
  pointer-events: none;
}

.service-card > *,
.showcase-card > *,
.tool-card > *,
.problem-card > * {
  position: relative;
  z-index: 1;
}

.service-icon {
  background: rgba(246, 196, 83, 0.1);
  border: 1px solid rgba(246, 196, 83, 0.14);
}

.problem-tools {
  background: #0b1016;
}

.problem-tools input,
.contact-form input,
.contact-form select,
.contact-form textarea,
.mini-form input {
  background: #070a0e;
  border-color: rgba(167, 184, 205, 0.2);
}

.problem-tools input:focus,
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus,
.mini-form input:focus {
  border-color: rgba(110, 168, 254, 0.72);
  box-shadow: 0 0 0 4px rgba(110, 168, 254, 0.12);
}

.chip {
  background: #10161e;
}

.chip.active,
.chip:hover {
  color: var(--ink);
  border-color: transparent;
  background: var(--gold);
}

.meter-screen {
  background:
    radial-gradient(circle at 84% 18%, rgba(246, 196, 83, 0.11), transparent 12rem),
    linear-gradient(145deg, #111c28, #0b1118);
  border-color: rgba(110, 168, 254, 0.25);
}

.meter-dial span,
.tab-btn {
  background: #10161e;
}

.tab-btn.active {
  color: var(--ink);
  background: var(--gold);
}

.tab-panel {
  background: rgba(0, 0, 0, 0.24);
}

#current-output {
  color: #d9e8f8;
  background: rgba(110, 168, 254, 0.09);
  border-color: rgba(110, 168, 254, 0.22);
}

.timeline-step::after {
  background: linear-gradient(90deg, var(--gold), var(--electric));
}

.contact-card {
  background:
    radial-gradient(circle at top left, rgba(110, 168, 254, 0.12), transparent 25rem),
    radial-gradient(circle at bottom right, rgba(246, 196, 83, 0.06), transparent 22rem),
    linear-gradient(145deg, #111923, #080c11);
}

.site-footer a:hover {
  color: var(--gold);
}

@media (max-width: 1180px) {
  .nav-toggle {
    display: inline-grid;
    place-items: center;
  }

  .site-header {
    border-radius: 26px;
  }

  .nav-menu {
    position: absolute;
    left: 0;
    right: 0;
    top: calc(100% + 10px);
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 24px;
    background: rgba(3, 5, 7, 0.98);
    box-shadow: var(--shadow);
  }

  .nav-menu.open {
    display: flex;
  }

  .nav-menu a {
    text-align: center;
  }
}

@media (max-width: 1080px) {
  .section-grid {
    grid-template-columns: 1fr;
    min-height: auto;
    gap: 32px;
  }

  .hero-panel {
    min-height: 500px;
  }
}

@media (max-width: 620px) {
  .section {
    padding-top: 72px;
  }

  .section-grid {
    padding-top: 48px;
  }

  h1 {
    font-size: clamp(2.25rem, 10.5vw, 3.35rem);
    line-height: 1.06;
    letter-spacing: -0.045em;
  }

  h2 {
    font-size: clamp(1.95rem, 9vw, 2.75rem);
    line-height: 1.09;
  }

  .hero-panel {
    min-height: 430px;
  }
}