:root {
  --bg: #07111f;
  --bg-soft: #0c1b30;
  --panel: rgba(11, 23, 41, 0.68);
  --panel-strong: rgba(11, 21, 38, 0.9);
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --text: #f3f8ff;
  --muted: rgba(228, 238, 251, 0.72);
  --blue: #66b8ff;
  --blue-strong: #3d8dff;
  --mint: #83f2cf;
  --amber: #ffd27d;
  --red: #ff6a7a;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.35);
  --shadow-soft: 0 14px 36px rgba(2, 8, 18, 0.28);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --container: min(1180px, calc(100vw - 48px));
  --nav-height: 78px;
  --transition: 260ms cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Avenir Next", Avenir, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(75, 136, 255, 0.2), transparent 34%),
    radial-gradient(circle at 80% 10%, rgba(99, 229, 187, 0.14), transparent 28%),
    linear-gradient(180deg, #081221 0%, #07111f 35%, #050b14 100%);
  overflow-x: hidden;
}

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

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

button,
input {
  font: inherit;
}

button {
  border: 0;
  background: none;
  color: inherit;
  cursor: pointer;
}

.site-shell {
  position: relative;
  isolation: isolate;
}

.ambient,
.ambient-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.ambient {
  filter: blur(80px);
  opacity: 0.35;
  z-index: -3;
}

.ambient-a {
  top: -20%;
  left: -10%;
  width: 42vw;
  height: 42vw;
  background: radial-gradient(circle, rgba(95, 149, 255, 0.8), transparent 65%);
  animation: drift 18s ease-in-out infinite alternate;
}

.ambient-b {
  top: 30%;
  right: -12%;
  width: 36vw;
  height: 36vw;
  background: radial-gradient(circle, rgba(108, 232, 194, 0.65), transparent 70%);
  animation: drift 22s ease-in-out infinite alternate-reverse;
}

.ambient-grid {
  z-index: -2;
  opacity: 0.2;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(circle at 50% 20%, black 25%, transparent 90%);
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.section {
  padding: 48px 0 92px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  padding: 18px 0 0;
}

.nav {
  width: var(--container);
  margin: 0 auto;
  min-height: var(--nav-height);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-radius: 40px;
}

.glass {
  background: linear-gradient(180deg, rgba(16, 30, 50, 0.7), rgba(9, 18, 33, 0.72));
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

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

.brand strong {
  font-size: 0.96rem;
  letter-spacing: -0.02em;
}

.brand small {
  color: var(--muted);
  font-size: 0.76rem;
}

.brand-mark {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #ffffff 0%, #7bc1ff 20%, #4a7cff 55%, #0d2040 100%);
  box-shadow: 0 0 26px rgba(102, 184, 255, 0.65);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  position: relative;
  padding: 11px 14px;
  color: var(--muted);
  border-radius: 999px;
  transition: background var(--transition), color var(--transition), transform var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  border: 1px solid var(--line);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  background: var(--text);
  transition: transform var(--transition), opacity var(--transition);
}

.hero {
  padding-top: 52px;
}

.hero-grid,
.pilot-grid,
.demo-layout {
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 28px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  margin-bottom: 20px;
  border-radius: 999px;
  color: #dcefff;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.eyebrow.small {
  padding: 0;
  border: 0;
  background: none;
  color: rgba(210, 226, 245, 0.75);
}

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

h1 {
  margin-top: 18px;
  font-size: clamp(3rem, 5vw, 5.4rem);
  line-height: 0.96;
  letter-spacing: -0.06em;
}

h2 {
  font-size: clamp(2rem, 3vw, 3.3rem);
  line-height: 1.02;
  letter-spacing: -0.05em;
}

h3 {
  font-size: 1.15rem;
  letter-spacing: -0.03em;
}

.lead {
  margin-top: 24px;
  max-width: 62ch;
  font-size: 1.16rem;
  line-height: 1.65;
  color: #ebf3ff;
}

.sublead,
.section-heading p,
.feature-card p,
.process-step p,
.pilot-copy p,
.site-footer p,
.demo-page .section-heading p {
  margin-top: 16px;
  color: var(--muted);
  line-height: 1.75;
}

.hero-actions,
.hero-tags,
.demo-controls,
.legend,
.status-pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.hero-actions {
  margin-top: 32px;
}

.hero-tags {
  margin-top: 24px;
}

.logo{
  width: 40%;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 20px;
  margin-left: 5px;
}

.hero-tags span,
.status-pill {
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
  color: rgba(228, 238, 251, 0.88);
  font-size: 0.84rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 18px;
  border-radius: 999px;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition);
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: #06111f;
  background: linear-gradient(135deg, #dff4ff 0%, #9ed3ff 35%, #79edcb 100%);
  box-shadow: 0 16px 40px rgba(92, 164, 255, 0.28);
}

.button-secondary,
.button-ghost {
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.045);
}

.button-ghost {
  color: var(--muted);
}

.hero-device {
  position: relative;
  min-height: 640px;
  border-radius: 34px;
  overflow: hidden;
  padding: 40px;
}

.hero-device::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 18%, rgba(108, 194, 255, 0.22), transparent 18%),
    radial-gradient(circle at 60% 64%, rgba(95, 246, 201, 0.12), transparent 26%);
}

.pole-illustration {
  position: absolute;
  inset: 0;
}

.pole-stem,
.pole-arm,
.pole-lamp,
.smart-bin,
.smart-bin-lid,
.smart-bin-panel {
  position: absolute;
  background: linear-gradient(180deg, rgba(222, 238, 255, 0.95), rgba(141, 171, 201, 0.3));
}

.pole-stem {
  left: 52%;
  top: 15%;
  width: 9px;
  height: 68%;
  border-radius: 999px;
  box-shadow: 0 0 36px rgba(180, 210, 255, 0.18);
}

.pole-arm {
  left: 52%;
  top: 20%;
  width: 128px;
  height: 7px;
  border-radius: 999px;
  transform-origin: left center;
  transform: rotate(-14deg);
}

.pole-lamp {
  left: calc(52% + 112px);
  top: calc(20% - 25px);
  width: 34px;
  height: 22px;
  border-radius: 18px;
  box-shadow: 0 0 32px rgba(255, 211, 127, 0.5);
}

.pole-glow {
  position: absolute;
  left: calc(52% + 96px);
  top: calc(20% - 10px);
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 226, 169, 0.5), rgba(255, 206, 113, 0.12) 38%, transparent 72%);
  filter: blur(3px);
  animation: breathe 3.4s ease-in-out infinite;
}

.sensor-ring,
.data-pulse {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(102, 184, 255, 0.24);
}

.sensor-ring-a {
  width: 170px;
  height: 170px;
  top: 29%;
  left: 38%;
}

.sensor-ring-b {
  width: 240px;
  height: 240px;
  top: 23%;
  left: 30%;
  animation: spin 16s linear infinite;
}

.data-pulse {
  width: 18px;
  height: 18px;
  background: radial-gradient(circle, rgba(131, 242, 207, 0.8), transparent 70%);
  border: 0;
  box-shadow: 0 0 18px rgba(131, 242, 207, 0.38);
}

.pulse-a {
  top: 48%;
  left: 38%;
  animation: floatY 5.2s ease-in-out infinite;
}

.pulse-b {
  top: 35%;
  left: 62%;
  animation: floatY 4.4s ease-in-out infinite reverse;
}

.smart-bin {
  left: calc(52% - 110px);
  top: 60%;
  width: 84px;
  height: 120px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(205, 227, 247, 0.92), rgba(114, 142, 173, 0.34));
}

.smart-bin-lid {
  left: -6px;
  top: -8px;
  width: 96px;
  height: 18px;
  border-radius: 14px;
}

.smart-bin-panel {
  left: 18px;
  top: 34px;
  width: 48px;
  height: 28px;
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(34, 58, 87, 0.78), rgba(9, 20, 37, 0.94));
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.floating-card {
  position: absolute;
  padding: 18px 20px;
  border-radius: 24px;
}

.stats-card {
  top: 52px;
  right: 32px;
  min-width: 180px;
}

.status-card {
  left: 28px;
  bottom: 28px;
  min-width: 220px;
}

.metric-label,
.metric-meta,
.status-row span,
.compare-row span,
.data-list span,
.big-metric span,
.metric-card span {
  color: var(--muted);
}

.metric-value {
  margin: 6px 0 2px;
  font-size: 2rem;
  letter-spacing: -0.06em;
}

.status-row,
.compare-row,
.data-list div,
.map-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.status-row + .status-row,
.compare-row + .compare-row,
.data-list div + div {
  margin-top: 12px;
}

.mini-bars {
  display: flex;
  gap: 8px;
  margin-top: 18px;
}

.mini-bars span {
  flex: 1;
  height: 64px;
  border-radius: 999px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02)),
    linear-gradient(0deg, rgba(125, 242, 206, 0.85) calc(var(--fill) * 100%), rgba(255, 255, 255, 0.05) calc(var(--fill) * 100%));
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 30px;
}

.feature-grid,
.metrics-grid {
  display: grid;
  gap: 20px;
}

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

.metrics-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.feature-card,
.metric-card,
.dashboard-card,
.comparison-card,
.pilot-panel,
.process-strip,
.demo-stage {
  border-radius: var(--radius-lg);
}

.feature-card,
.metric-card,
.dashboard-card,
.comparison-card {
  padding: 24px;
}

.feature-card {
  min-height: 240px;
}

.feature-icon {
  width: 56px;
  height: 56px;
  margin-bottom: 20px;
  border-radius: 18px;
  position: relative;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03));
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.icon-light span,
.icon-bin span {
  position: absolute;
  inset: 0;
  margin: auto;
}

.icon-light span {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: radial-gradient(circle, #ffe8b2 0%, #ffd27d 35%, rgba(255, 210, 125, 0.15) 70%);
  box-shadow: 0 0 22px rgba(255, 210, 125, 0.4);
}

.icon-bin span {
  width: 24px;
  height: 26px;
  border-radius: 6px 6px 10px 10px;
  border: 2px solid #8adfcb;
}

.icon-bin span::before {
  content: "";
  position: absolute;
  left: 50%;
  top: -6px;
  width: 30px;
  height: 4px;
  transform: translateX(-50%);
  border-radius: 999px;
  background: #8adfcb;
}

.metric-card {
  min-height: 190px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.metric-card strong {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  letter-spacing: -0.06em;
}

.process-strip {
  display: grid;
  grid-template-columns: repeat(7, auto);
  align-items: center;
  gap: 14px;
  padding: 24px;
}

.process-step {
  min-width: 200px;
}

.process-dot {
  width: 12px;
  height: 12px;
  margin-bottom: 18px;
  border-radius: 50%;
  background: linear-gradient(180deg, #8ee7ff, #80f2d0);
  box-shadow: 0 0 18px rgba(102, 184, 255, 0.45);
}

.process-line {
  width: 52px;
  height: 1px;
  background: linear-gradient(90deg, rgba(102, 184, 255, 0.1), rgba(131, 242, 207, 0.5), rgba(102, 184, 255, 0.1));
}

.pilot-panel {
  padding: 26px;
}

.pilot-map {
  height: 240px;
  padding: 12px;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: radial-gradient(circle at 50% 40%, rgba(102, 184, 255, 0.08), transparent 44%), rgba(255, 255, 255, 0.02);
}

.pilot-map svg {
  width: 100%;
  height: 100%;
}

.pilot-map path {
  fill: none;
  stroke: url(#lineGlow);
  stroke-width: 6;
  stroke-linecap: round;
  opacity: 0.85;
}

.pilot-map circle {
  fill: #95f0d6;
  filter: drop-shadow(0 0 12px rgba(131, 242, 207, 0.55));
}

.pilot-stats {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.pilot-stats strong {
  display: block;
  font-size: 2rem;
  letter-spacing: -0.05em;
}

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

.demo-page {
  padding-top: 34px;
}

.demo-layout {
  align-items: start;
}

.demo-stage {
  padding: 22px;
}

.demo-sidebar {
  display: grid;
  gap: 18px;
}

.map-header {
  margin-bottom: 20px;
}

.map-header h2 {
  margin-top: 6px;
  font-size: 1.5rem;
}

.legend {
  gap: 18px;
  color: var(--muted);
  font-size: 0.88rem;
}

.legend span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

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

.legend-dot.idle {
  background: rgba(235, 242, 255, 0.28);
}

.legend-dot.active,
.legend-dot.blue {
  background: var(--blue);
  box-shadow: 0 0 12px rgba(102, 184, 255, 0.6);
}

.legend-dot.red {
  background: var(--red);
  box-shadow: 0 0 12px rgba(255, 106, 122, 0.5);
}

.legend-dot.pedestrian-dot,
.legend-dot.truck-dot {
  background: var(--mint);
  box-shadow: 0 0 12px rgba(131, 242, 207, 0.5);
}

.lighting-map,
.waste-map {
  position: relative;
  aspect-ratio: 900 / 560;
  height: auto;
  overflow: hidden;
  border-radius: 28px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background:
    radial-gradient(circle at 50% 50%, rgba(78, 132, 240, 0.08), transparent 40%),
    linear-gradient(180deg, rgba(9, 19, 34, 0.88), rgba(5, 12, 21, 0.98));
}

.lighting-map::before,
.waste-map::before {
  content: "";
  position: absolute;
  inset: 18px;
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.04);
  pointer-events: none;
}

.map-streets,
.route-path,
.route-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.map-streets path {
  fill: none;
  stroke: rgba(185, 211, 239, 0.14);
  stroke-width: 16;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.route-path path,
.route-overlay path {
  fill: none;
  stroke-width: 6;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 10 12;
}

.route-path path {
  stroke: rgba(131, 242, 207, 0.24);
}

.route-overlay path {
  stroke: rgba(102, 184, 255, 0.58);
  filter: drop-shadow(0 0 8px rgba(102, 184, 255, 0.28));
}

.light-node,
.bin-node,
.walker,
.truck {
  position: absolute;
  transform: translate(-50%, -50%);
}

.light-node {
  width: 20px;
  height: 20px;
}

.light-node::before,
.light-node::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  border-radius: 50%;
  transition: transform 400ms ease, opacity 400ms ease, background 400ms ease, box-shadow 400ms ease;
}

.light-node::before {
  width: 10px;
  height: 10px;
  background: rgba(255, 236, 188, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 10px rgba(255, 214, 132, 0.22);
}

.light-node::after {
  width: 48px;
  height: 48px;
  opacity: 0.34;
  background: radial-gradient(circle, rgba(255, 226, 170, 0.42), rgba(255, 210, 125, 0.1) 48%, rgba(102, 184, 255, 0.02) 68%, transparent 78%);
}

.light-node.active::before {
  background: rgba(255, 233, 187, 0.95);
  box-shadow: 0 0 18px rgba(255, 210, 125, 0.74);
}

.light-node.active::after {
  opacity: 1;
  transform: scale(1.2);
  background: radial-gradient(circle, rgba(255, 228, 170, 0.65), rgba(255, 210, 125, 0.18) 44%, rgba(102, 184, 255, 0.08) 62%, transparent 74%);
  box-shadow: 0 0 42px rgba(255, 210, 125, 0.18);
}

.walker,
.truck {
  width: 24px;
  height: 24px;
  z-index: 4;
}

.walker span,
.truck span {
  position: absolute;
  inset: 0;
  border-radius: 50%;
}

.walker span {
  background: linear-gradient(180deg, #a6ffd8, #69d8b4);
  box-shadow: 0 0 18px rgba(131, 242, 207, 0.5);
}

.walker span::before {
  content: "";
  position: absolute;
  left: 50%;
  top: -8px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  transform: translateX(-50%);
  background: #d5ffee;
}

.truck {
  width: 30px;
  height: 30px;
}

.truck span {
  background: linear-gradient(180deg, #d7f2ff, #75b8ff);
  clip-path: polygon(8% 50%, 20% 30%, 64% 30%, 80% 46%, 92% 46%, 92% 70%, 8% 70%);
  box-shadow: 0 0 18px rgba(102, 184, 255, 0.45);
}

.truck span::before,
.truck span::after {
  content: "";
  position: absolute;
  bottom: 3px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #07111f;
}

.truck span::before {
  left: 8px;
}

.truck span::after {
  right: 8px;
}

.speed-control {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
}

.speed-control input {
  width: 130px;
  accent-color: #8adfcb;
}

.dashboard-card h3,
.comparison-card h3 {
  margin-bottom: 18px;
}

.data-list strong,
.compare-row strong,
.status-row strong,
.big-metric strong {
  letter-spacing: -0.04em;
}

.big-metric strong {
  display: block;
  font-size: 3rem;
  margin-bottom: 4px;
}

.mini-chart {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  align-items: end;
  height: 68px;
}

.mini-chart span {
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(131, 242, 207, 0.12), rgba(102, 184, 255, 0.8));
  animation: chartPulse 4s ease-in-out infinite;
}

.mini-chart span:nth-child(1) { height: 34px; animation-delay: 0.1s; }
.mini-chart span:nth-child(2) { height: 48px; animation-delay: 0.3s; }
.mini-chart span:nth-child(3) { height: 60px; animation-delay: 0.5s; }
.mini-chart span:nth-child(4) { height: 44px; animation-delay: 0.7s; }
.mini-chart span:nth-child(5) { height: 56px; animation-delay: 0.9s; }

.bin-node {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  z-index: 3;
  transition: background 280ms ease, box-shadow 280ms ease, transform 280ms ease;
}

.bin-node::before {
  content: "";
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 1px solid transparent;
  opacity: 0;
}

.bin-node.normal {
  background: var(--blue);
  box-shadow: 0 0 16px rgba(102, 184, 255, 0.38);
}

.bin-node.urgent {
  background: var(--red);
  box-shadow: 0 0 18px rgba(255, 106, 122, 0.55);
  animation: urgentPulse 1.8s ease-in-out infinite;
}

.bin-node.urgent::before {
  opacity: 1;
  border-color: rgba(255, 106, 122, 0.36);
}

.status-pill.urgent {
  color: #ffd8dd;
  background: rgba(255, 106, 122, 0.12);
}

.status-pill.normal {
  color: #c9fdee;
  background: rgba(131, 242, 207, 0.12);
}

.site-footer {
  padding: 16px 0 36px;
}

.site-footer.compact {
  padding-top: 0;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding-top: 26px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid > div:last-child {
  display: grid;
  gap: 8px;
  color: var(--muted);
}

.page-loader {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  background: rgba(4, 9, 18, 0.96);
  transition: opacity 700ms ease, visibility 700ms ease;
}

.page-loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-mark {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-top-color: rgba(131, 242, 207, 0.95);
  animation: spin 1.1s linear infinite;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 680ms ease, transform 680ms ease;
  transition-delay: var(--reveal-delay, 0ms);
}

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

.page-ready main,
.page-ready footer,
.page-ready header {
  animation: fadeUp 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes drift {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to { transform: translate3d(4%, 5%, 0) scale(1.08); }
}

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

@keyframes breathe {
  0%, 100% { transform: scale(0.96); opacity: 0.8; }
  50% { transform: scale(1.06); opacity: 1; }
}

@keyframes floatY {
  0%, 100% { transform: translateY(0); opacity: 0.7; }
  50% { transform: translateY(-14px); opacity: 1; }
}

@keyframes chartPulse {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 1; }
}

@keyframes urgentPulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); }
  50% { transform: translate(-50%, -50%) scale(1.14); }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 1080px) {
  .hero-grid,
  .pilot-grid,
  .demo-layout,
  .feature-grid,
  .metrics-grid {
    grid-template-columns: 1fr;
  }

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

  .process-strip {
    grid-template-columns: 1fr;
  }

  .process-line {
    width: 1px;
    height: 28px;
    margin-left: 5px;
  }

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

  .demo-sidebar {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .container {
    width: min(100vw - 28px, 1180px);
  }

  .nav {
    position: relative;
    align-items: center;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
  }

  .nav-links {
    position: absolute;
    left: 0;
    right: 0;
    top: calc(100% + 10px);
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    border-radius: 24px;
    background: rgba(8, 17, 30, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(18px);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  }

  .nav-open .nav-links {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .hero-device {
    min-height: 460px;
    padding: 28px;
  }

  .lighting-map,
  .waste-map {
    min-height: 440px;
  }

  .demo-controls {
    align-items: stretch;
  }

  .speed-control {
    width: 100%;
    margin-left: 0;
    justify-content: space-between;
  }

  .demo-sidebar {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  body {
    background-size: cover;
  }

  .section {
    padding: 34px 0 74px;
  }

  h1 {
    font-size: 2.7rem;
  }

  h2 {
    font-size: 1.9rem;
  }

  .metrics-grid,
  .pilot-stats {
    grid-template-columns: 1fr;
  }

  .hero-device {
    min-height: 420px;
  }

  .floating-card {
    position: relative;
  }

  .stats-card,
  .status-card {
    inset: auto;
    margin-top: 14px;
  }

  .lighting-map,
  .waste-map {
    min-height: 360px;
  }

  .legend {
    gap: 10px;
  }
}

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