/* باتری‌سان — landing industrial */

@font-face {
  font-family: "Vazirmatn";
  src: url("fonts/vazirmatn-400.woff2") format("woff2");
  font-weight: 400 700;
  font-display: swap;
}

:root {
  --orange: #f7941d;
  --orange-d: #d97a08;
  --teal: #00b8b8;
  --teal-d: #008f8f;
  --blue: #0b5cad;
  --ink: #0c0f14;
  --ink-2: #161b24;
  --plate: #e8edf4;
  --plate-2: #f4f7fb;
  --muted: #6b7d94;
  --text: #e6edf6;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --wrap: min(1160px, 92vw);
  --mh: 4.25rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Vazirmatn", Tahoma, sans-serif;
  background: var(--ink);
  color: var(--text);
  line-height: 1.7;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--teal);
  text-decoration: none;
}

a:hover {
  color: var(--orange);
}

.wrap {
  width: var(--wrap);
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  top: -100px;
  right: 1rem;
  background: var(--orange);
  color: #111;
  padding: 0.5rem 1rem;
  font-weight: 700;
  z-index: 10001;
}

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

/* Boot — never blocks without JS long */
.boot-screen {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: grid;
  place-items: center;
  background: var(--ink);
  transition: opacity 0.5s var(--ease), visibility 0.5s;
}

.boot-screen.off {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.boot-terminal {
  width: min(320px, 88vw);
  padding: 1.5rem;
  border: 2px solid var(--teal);
  background: var(--ink-2);
  box-shadow: 0 0 0 4px rgba(0, 184, 184, 0.15);
}

.boot-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}

.boot-bar {
  height: 6px;
  background: #2a3342;
  margin-bottom: 0.75rem;
}

.boot-bar span {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--orange), var(--teal));
  transition: width 0.2s linear;
}

.boot-terminal p {
  margin: 0;
  font-size: 0.8rem;
  color: var(--muted);
}

/* Header */
.masthead {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(12, 15, 20, 0.92);
  border-bottom: 1px solid #252d3a;
  backdrop-filter: blur(12px);
}

.masthead-inner {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  min-height: var(--mh);
}

.logo-lockup {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: inherit;
}

.logo-type {
  font-size: 1.2rem;
  font-weight: 700;
  font-style: normal;
}

.logo-type .c-teal {
  color: var(--teal);
}

.logo-type .c-orange {
  color: var(--orange);
}

.nav-panel {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-inline-start: auto;
  font-size: 0.9rem;
}

.nav-panel a {
  color: #b8c5d6;
}

.nav-panel a:hover {
  color: var(--text);
}

.nav-call {
  padding: 0.45rem 1rem;
  border: 1px solid var(--orange);
  color: var(--orange) !important;
  font-weight: 700;
}

.header-dial {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 0.35rem 0.75rem;
  border-right: 3px solid var(--teal);
  color: inherit;
  line-height: 1.2;
}

.header-dial-label {
  font-size: 0.65rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.header-dial-num {
  font-weight: 700;
  color: var(--text);
}

.menu-btn {
  display: none;
  margin-inline-start: auto;
  background: none;
  border: 1px solid #3a4556;
  color: var(--text);
  padding: 0.4rem 0.75rem;
  font-family: inherit;
  cursor: pointer;
}

.menu-bars {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  vertical-align: middle;
  margin-right: 0.4rem;
}

.menu-bars i {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
}

/* Hero */
.hero {
  position: relative;
  padding: 3rem 0 4rem;
  overflow: hidden;
}

.hero-grid-texture {
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image:
    linear-gradient(90deg, transparent 79%, rgba(0, 184, 184, 0.06) 80%, transparent 81%),
    linear-gradient(0deg, transparent 79%, rgba(247, 148, 29, 0.04) 80%, transparent 81%);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, #000 40%, transparent);
}

.hero-layout {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 2.5rem;
  align-items: center;
}

.kicker {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--teal);
  font-weight: 700;
  margin: 0 0 1rem;
}

.polarity {
  display: inline-grid;
  place-items: center;
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 4px;
  font-weight: 800;
  font-size: 1rem;
  color: #0c0f14;
}

.polarity.plus {
  background: var(--orange);
}

.polarity.minus {
  background: var(--teal);
}

.hero-copy h1 {
  font-size: clamp(2.1rem, 4.8vw, 3.4rem);
  line-height: 1.15;
  margin: 0 0 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.line-break {
  display: block;
  color: #fff;
  text-shadow: 0 0 40px rgba(0, 184, 184, 0.25);
}

.hero-desc {
  color: #a8b8cc;
  max-width: 36rem;
  margin: 0 0 1.75rem;
}

.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.5rem;
  font-family: inherit;
  font-weight: 700;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: transform 0.3s var(--ease), box-shadow 0.3s ease;
}

.btn:active {
  transform: scale(0.98);
}

.btn-heat {
  background: var(--orange);
  color: #1a1000;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
  box-shadow: 0 12px 32px rgba(247, 148, 29, 0.35);
}

.btn-heat:hover {
  background: var(--orange-d);
  color: #000;
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 2px solid #3d4a5c;
}

.btn-outline:hover {
  border-color: var(--teal);
  color: var(--teal);
}

.btn-wide {
  width: 100%;
}

.volt-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 0;
  padding: 1rem 0 0;
  border-top: 1px solid #2a3342;
}

.volt-stats dt {
  font-size: 0.75rem;
  color: var(--muted);
  margin-bottom: 0.15rem;
}

.volt-stats dd {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--teal);
}

.title-mark {
  display: inline-block;
  margin-left: 0.35rem;
  padding: 0.15rem 0.65rem;
  font-size: 0.45em;
  vertical-align: middle;
  background: var(--orange);
  color: #111;
  border-radius: 6px;
  letter-spacing: 0.04em;
}

.hero-visual {
  position: relative;
}

.hero-stage {
  position: relative;
  padding: 1rem;
  background:
    radial-gradient(ellipse at 50% 100%, rgba(0, 184, 184, 0.15), transparent 55%),
    linear-gradient(180deg, #121820, #0a0e14);
  border: 3px solid #2d3848;
  border-radius: 20px;
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.engine-scene {
  width: 100%;
  height: auto;
  display: block;
  animation: settle 1s var(--ease) both;
}

.hero-badge-cca {
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  width: 100px;
  height: 100px;
  background: rgba(12, 15, 20, 0.9);
  border: 2px solid var(--teal);
  border-radius: 50%;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.hero-volt-led {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
  padding: 0.5rem 0.75rem;
  background: #0a0e14;
  border: 1px solid #2d3848;
  font-size: 0.82rem;
  color: var(--muted);
}

.led {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.led-ok {
  background: #3ddc68;
  box-shadow: 0 0 12px #3ddc68;
  animation: ledBlink 2.2s ease infinite;
}

.volt-marquee {
  overflow: hidden;
  padding: 0.85rem 0;
  background: var(--orange);
  color: #1a0e00;
  font-weight: 800;
  font-size: 0.95rem;
  border-block: 3px solid #111;
}

.volt-marquee-track {
  display: flex;
  width: max-content;
  gap: 3rem;
  animation: marquee 22s linear infinite;
  padding-left: 100%;
}

.volt-marquee-track span::before {
  content: "⚡ ";
  opacity: 0.7;
}

.brand-wall {
  padding: 3rem 0;
}

.brand-wall-inner {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  flex-wrap: wrap;
}

.brand-wall-logo {
  filter: drop-shadow(0 16px 40px rgba(0, 184, 184, 0.25));
  flex-shrink: 0;
}

.brand-wall-copy h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--ink);
}

.brand-wall-copy h2 strong {
  color: var(--teal-d);
}

.brand-wall-copy p {
  margin: 0;
  color: var(--muted);
  max-width: 28rem;
}

.svc-tile::after {
  content: "+ −";
  position: absolute;
  bottom: 0.75rem;
  left: 0.75rem;
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  color: rgba(0, 184, 184, 0.12);
  pointer-events: none;
}

.contact-hub {
  position: relative;
  overflow: hidden;
}

.volt-plate {
  position: absolute;
  top: 2rem;
  left: 2rem;
  font-size: clamp(4rem, 12vw, 7rem);
  font-weight: 900;
  line-height: 1;
  color: rgba(255, 255, 255, 0.04);
  pointer-events: none;
  user-select: none;
}

.contact-hub-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 2.5rem;
}

.contact-hub-head h2 {
  margin: 0.5rem 0;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
}

.contact-hub-head p {
  color: #a8b8cc;
  margin: 0;
}

.contact-tiles {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1rem;
}

.contact-tile {
  grid-column: span 2;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1.5rem;
  background: rgba(0, 0, 0, 0.35);
  border: 2px solid #3d4f66;
  color: inherit;
  transition: transform 0.35s var(--ease), border-color 0.35s ease, box-shadow 0.35s ease;
}

.contact-tile:hover {
  transform: translateY(-4px);
  border-color: var(--teal);
  box-shadow: 0 20px 40px rgba(0, 184, 184, 0.12);
}

.tile-emergency {
  grid-column: span 6;
  background: linear-gradient(135deg, rgba(247, 148, 29, 0.2), rgba(0, 0, 0, 0.4));
  border-color: var(--orange);
}

.tile-emergency .tile-value {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  color: var(--orange);
}

.tile-label {
  font-size: 0.78rem;
  color: var(--muted);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.tile-value {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text);
}

.tile-hint {
  font-size: 0.85rem;
  color: #8fa3bc;
}

.tile-static {
  cursor: default;
}

@keyframes marquee {
  to {
    transform: translateX(-50%);
  }
}

@keyframes ledBlink {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.45;
  }
}

.gauge-svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.gauge-track {
  fill: none;
  stroke: #2a3342;
  stroke-width: 8;
}

.gauge-arc {
  fill: none;
  stroke: url(#gaugeGrad);
  stroke-width: 8;
  stroke-linecap: round;
  stroke-dasharray: 327;
  stroke-dashoffset: 327;
  transition: stroke-dashoffset 1.2s var(--ease);
}

/* fallback stroke */
.gauge-arc {
  stroke: var(--teal);
}

.hero-badge-cca {
  position: absolute;
}

.hero-badge-cca .gauge-readout {
  font-size: 1rem;
}

.gauge-readout {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 0;
  font-size: 1.35rem;
  font-weight: 800;
}

.gauge-readout small {
  font-size: 0.55rem;
  font-weight: 500;
  color: var(--muted);
}

.hero-spec {
  margin-top: 1.25rem;
  padding: 1rem 1.25rem;
  background: var(--ink-2);
  border: 1px solid #2f3a4a;
  border-right: 4px solid var(--blue);
}

.hero-spec h2 {
  margin: 0 0 0.75rem;
  font-size: 0.85rem;
  color: var(--muted);
  font-weight: 700;
  letter-spacing: 0.05em;
}

.hero-spec ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.hero-spec li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.35rem 0;
  font-size: 0.88rem;
  border-bottom: 1px dashed #2a3342;
}

.hero-spec li:last-child {
  border: none;
}

.hero-spec span {
  color: var(--muted);
}

/* Warning band — workshop stripes */
.band-warning {
  height: 14px;
  overflow: hidden;
}

.band-warning-inner {
  height: 100%;
  background: repeating-linear-gradient(
    -45deg,
    var(--orange) 0,
    var(--orange) 12px,
    #111 12px,
    #111 24px
  );
  animation: stripeScroll 20s linear infinite;
}

/* Blocks */
.block {
  padding: 4.5rem 0;
}

.block-light {
  background: var(--plate);
  color: var(--ink);
}

.block-light a {
  color: var(--blue);
}

.block-light .block-head p,
.block-light .muted {
  color: var(--muted);
}

.block-diagonal {
  background: linear-gradient(135deg, var(--blue) 0%, #063a72 50%, var(--ink) 50%);
  color: var(--text);
}

.block-head {
  margin-bottom: 2.5rem;
  max-width: 640px;
}

.block-head.light,
.block-diagonal .block-head h2,
.block-cta .block-head {
  color: inherit;
}

.block-id {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--teal);
  margin-bottom: 0.5rem;
}

.block-light .block-id {
  color: var(--blue);
}

.block-head h2 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  font-weight: 800;
}

.block-head p {
  margin: 0;
  color: #94a3b8;
}

/* Service deck */
.service-deck {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1rem;
}

.svc-tile {
  grid-column: span 2;
  padding: 1.5rem;
  background: var(--ink-2);
  border: 1px solid #2a3342;
  position: relative;
  overflow: hidden;
  transition: border-color 0.35s ease, transform 0.35s var(--ease);
}

.svc-tile::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 4px;
  height: 100%;
  background: var(--teal);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.4s var(--ease);
}

.svc-tile:hover {
  border-color: var(--teal);
  transform: translateY(-4px);
}

.svc-tile:hover::before {
  transform: scaleY(1);
}

.svc-tile[data-svc="install"]::before {
  background: var(--orange);
}

.svc-tile.wide {
  grid-column: span 6;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: center;
  border-color: #3d4f66;
  background: linear-gradient(90deg, rgba(11, 92, 173, 0.25), var(--ink-2));
}

.svc-code {
  font-size: 2rem;
  font-weight: 800;
  color: #2a3a4f;
  line-height: 1;
}

.svc-tile h3 {
  margin: 0.25rem 0 0.5rem;
  font-size: 1.1rem;
}

.svc-tile p {
  margin: 0 0 0.75rem;
  font-size: 0.92rem;
  color: #a8b8cc;
}

.svc-tile footer {
  font-size: 0.78rem;
  color: var(--teal);
  font-weight: 600;
}

/* Lab */
.lab-split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}

.oscilloscope {
  background: #0a0e12;
  border: 3px solid #2a3342;
  border-radius: 4px;
  padding: 0.5rem;
  box-shadow: inset 0 0 40px rgba(0, 184, 184, 0.08);
}

.oscilloscope canvas {
  width: 100%;
  height: auto;
  display: block;
}

.lab-metrics {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
}

.lab-metrics li {
  display: flex;
  justify-content: space-between;
  padding: 0.6rem 0;
  border-bottom: 1px solid #d0d8e4;
  font-size: 0.9rem;
}

.lab-steps {
  margin: 1.5rem 0 2rem;
  padding-right: 1.25rem;
  color: var(--muted);
}

.lab-copy h2 {
  margin: 0.5rem 0 1rem;
  font-size: 1.85rem;
}

/* Amp table */
.battery-shelf {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2rem;
  padding: 2rem 1rem 1.5rem;
  background: linear-gradient(180deg, #121820, #0c0f14);
  border: 2px solid #2d3848;
  border-radius: 12px;
}

.shelf-unit {
  text-align: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--teal);
}

.shelf-bat {
  width: 72px;
  height: auto;
  margin: 0 auto 0.5rem;
  filter: drop-shadow(0 12px 20px rgba(0, 0, 0, 0.45));
  transition: transform 0.4s var(--ease);
}

.shelf-unit:hover .shelf-bat {
  transform: translateY(-6px) scale(1.05);
}

.amp-table-wrap {
  overflow-x: auto;
  border: 2px solid #2a3342;
}

.block-light .amp-table-wrap {
  border-color: #c5d0de;
}

.amp-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.amp-table th,
.amp-table td {
  padding: 1rem 1.25rem;
  text-align: right;
  border-bottom: 1px solid #2a3342;
}

.block-light .amp-table th,
.block-light .amp-table td {
  border-color: #d0d8e4;
}

.amp-table th {
  background: rgba(0, 184, 184, 0.12);
  color: var(--teal);
  font-weight: 700;
}

.block-light .amp-table th {
  background: rgba(11, 92, 173, 0.08);
  color: var(--blue);
}

.amp-table tbody tr:hover {
  background: rgba(247, 148, 29, 0.06);
}

/* Route */
.route-pipeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.route-pipeline li {
  padding: 1.25rem;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.step-n {
  display: inline-flex;
  width: 2rem;
  height: 2rem;
  align-items: center;
  justify-content: center;
  background: var(--orange);
  color: #111;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.route-pipeline h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
}

.route-pipeline p {
  margin: 0;
  font-size: 0.85rem;
  opacity: 0.85;
}

/* Quotes */
.quote-wall {
  position: relative;
  min-height: 140px;
}

.quote-card {
  margin: 0;
  padding: 2rem;
  background: var(--plate-2);
  border-right: 5px solid var(--orange);
  display: none;
}

.quote-card.is-active {
  display: block;
  animation: fadeSlide 0.55s var(--ease);
}

.quote-card footer {
  margin-top: 1rem;
  font-size: 0.88rem;
  color: var(--muted);
}

.quote-controls {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
}

.quote-controls button {
  width: 36px;
  height: 8px;
  border: none;
  background: #c5d0de;
  cursor: pointer;
  padding: 0;
  transition: background 0.3s ease, width 0.3s ease;
}

.quote-controls button.active {
  background: var(--teal);
  width: 56px;
}

/* FAQ */
.faq-list details {
  border: 1px solid #2a3342;
  margin-bottom: 0.5rem;
  background: var(--ink-2);
}

.faq-list summary {
  padding: 1rem 1.25rem;
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list p {
  margin: 0;
  padding: 0 1.25rem 1rem;
  color: #a8b8cc;
  font-size: 0.92rem;
}

/* CTA contact */
.block-cta {
  background:
    radial-gradient(ellipse at 80% 20%, rgba(0, 184, 184, 0.15), transparent 50%),
    var(--ink-2);
  border-top: 1px solid #2a3342;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.contact-lines {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
}

.contact-lines li {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 0.5rem;
  padding: 0.5rem 0;
  border-bottom: 1px dashed #3a4556;
}

.contact-lines span {
  color: var(--muted);
  font-size: 0.85rem;
}

.contact-form {
  background: var(--ink);
  border: 2px solid #2f3a4a;
  padding: 1.5rem;
}

.contact-form h3 {
  margin: 0 0 1.25rem;
  font-size: 1rem;
  color: var(--teal);
}

.contact-form label {
  display: block;
  margin-bottom: 0.85rem;
  font-size: 0.85rem;
  font-weight: 600;
}

.contact-form input,
.contact-form textarea {
  display: block;
  width: 100%;
  margin-top: 0.35rem;
  padding: 0.65rem 0.85rem;
  font-family: inherit;
  font-size: 1rem;
  border: 1px solid #3d4a5c;
  background: #0a0e14;
  color: var(--text);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid var(--teal);
  border-color: transparent;
}

.form-msg {
  min-height: 1.2rem;
  margin: 0.75rem 0 0;
  font-size: 0.9rem;
  color: var(--teal);
}

/* Footer */
.site-foot {
  padding: 2rem 0;
  border-top: 1px solid #252d3a;
  text-align: center;
  font-size: 0.88rem;
  color: var(--muted);
}

.foot-inner img {
  margin: 0 auto 0.75rem;
}

.foot-copy {
  margin-top: 0.5rem;
  font-size: 0.75rem;
}

.mobile-dial {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;
  padding: 0.65rem;
  background: var(--orange);
  text-align: center;
}

.mobile-dial a {
  color: #111;
  font-weight: 800;
}

/* Progressive reveal — content ALWAYS visible without JS */
.js .reveal-on-scroll {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: no-preference) {
  .js .reveal-on-scroll {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  }

  .js .reveal-on-scroll.in {
    opacity: 1;
    transform: none;
  }
}

@keyframes settle {
  from {
    opacity: 0;
    transform: translateY(24px) scale(0.96);
  }
}

@keyframes chargePulse {
  0%,
  100% {
    opacity: 0.6;
    transform: scaleX(0.35);
  }
  50% {
    opacity: 1;
    transform: scaleX(1);
  }
}

@keyframes stripeScroll {
  from {
    background-position: 0 0;
  }
  to {
    background-position: 200px 0;
  }
}

@keyframes fadeSlide {
  from {
    opacity: 0;
    transform: translateX(12px);
  }
}

@media (max-width: 900px) {
  .hero-layout,
  .lab-split {
    grid-template-columns: 1fr;
  }

  .contact-tiles {
    grid-template-columns: 1fr;
  }

  .contact-tile,
  .tile-emergency {
    grid-column: span 1;
  }

  .brand-wall-inner {
    justify-content: center;
    text-align: center;
  }

  .service-deck {
    grid-template-columns: 1fr;
  }

  .svc-tile,
  .svc-tile.wide {
    grid-column: span 1;
  }

  .route-pipeline {
    grid-template-columns: 1fr 1fr;
  }

  .header-dial {
    display: none;
  }
}

@media (max-width: 640px) {
  .menu-btn {
    display: inline-flex;
    align-items: center;
  }

  .nav-panel {
    position: fixed;
    inset: var(--mh) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    background: var(--ink);
    border-bottom: 1px solid #2a3342;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.4s var(--ease), opacity 0.4s ease;
  }

  .nav-panel.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .volt-stats {
    grid-template-columns: 1fr;
  }

  .route-pipeline {
    grid-template-columns: 1fr;
  }

  .mobile-dial {
    display: block;
  }

  body {
    padding-bottom: 3.5rem;
  }
}