:root {
  --navy: #082b57;
  --blue: #246fd3;
  --blue-bright: #3485ef;
  --blue-soft: #eaf3ff;
  --blue-pale: #f5f9ff;
  --ink: #10243d;
  --muted: #5f6f82;
  --line: #dce6f1;
  --paper: #ffffff;
  --surface: #f7faff;
  --green: #3ca978;
  --purple: #8459cf;
  --shadow: 0 18px 45px rgba(28, 70, 118, 0.1);
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family:
    Inter, "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

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

button,
input {
  font: inherit;
}

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

.skip-link {
  position: fixed;
  z-index: 200;
  top: -70px;
  left: 18px;
  padding: 12px 18px;
  border-radius: 9px;
  background: var(--navy);
  color: white;
}

.skip-link:focus {
  top: 16px;
}

.topbar {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  right: 0;
  height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(24px, 4.3vw, 68px);
  border-bottom: 1px solid rgba(18, 52, 89, 0.12);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 5px 18px rgba(19, 54, 92, 0.06);
  backdrop-filter: blur(16px);
  transition: height 0.2s ease;
}

.topbar.scrolled {
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}

.brand-home {
  position: relative;
  width: 40px;
  height: 40px;
}

.brand-home .roof {
  position: absolute;
  top: 5px;
  left: 5px;
  width: 30px;
  height: 30px;
  border-top: 4px solid var(--blue);
  border-left: 4px solid var(--blue);
  border-radius: 4px 0 0 0;
  transform: rotate(45deg);
}

.brand-home .door {
  position: absolute;
  z-index: 2;
  left: 8px;
  bottom: 2px;
  width: 25px;
  height: 25px;
  border: 4px solid var(--blue);
  border-top: 0;
  border-radius: 0 0 4px 4px;
  background: white;
}

.brand-home i {
  position: absolute;
  z-index: 3;
  left: 17px;
  bottom: 11px;
  width: 8px;
  height: 8px;
  border: 2px solid var(--blue);
  border-radius: 50%;
}

.brand-copy {
  display: grid;
  line-height: 1.2;
}

.brand-copy strong {
  color: #111d2d;
  font-size: 16px;
  letter-spacing: 0.02em;
}

.brand-copy small {
  margin-top: 5px;
  color: #536273;
  font-size: 10px;
}

.main-nav {
  align-self: stretch;
  display: flex;
  align-items: stretch;
  gap: clamp(14px, 2vw, 32px);
}

.main-nav a {
  position: relative;
  display: flex;
  align-items: center;
  gap: 6px;
  color: #314358;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}

.main-nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2px;
  background: transparent;
}

.main-nav a.active,
.main-nav a:hover {
  color: var(--blue);
}

.main-nav a.active::after {
  background: var(--blue);
}

.main-nav i {
  color: var(--blue);
  font-style: normal;
  font-size: 13px;
}

.menu-button {
  display: none;
  border: 0;
  background: transparent;
  color: var(--navy);
  font-size: 24px;
}

.hero {
  position: relative;
  min-height: 620px;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(560px, 1.08fr);
  align-items: center;
  padding: 108px clamp(24px, 4.3vw, 68px) 40px;
  overflow: hidden;
  background:
    radial-gradient(circle at 18% 32%, rgba(89, 156, 244, 0.15), transparent 28%),
    linear-gradient(90deg, #fbfdff 0%, #f5f9fe 52%, #eef3f7 100%);
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(37, 111, 211, 0.024) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 111, 211, 0.024) 1px, transparent 1px);
  background-size: 30px 30px;
  mask-image: linear-gradient(90deg, black, transparent 63%);
}

.hero-copy {
  position: relative;
  z-index: 3;
  padding-right: 24px;
}

.eyebrow,
.section-no {
  color: var(--blue);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.15em;
}

.hero h1 {
  margin: 12px 0 8px;
  color: var(--navy);
  font-size: clamp(48px, 4.7vw, 76px);
  line-height: 1.05;
  letter-spacing: -0.05em;
}

.hero h2 {
  margin: 0;
  color: #193b65;
  font-size: clamp(18px, 1.8vw, 27px);
  line-height: 1.35;
}

.hero-copy > p {
  max-width: 660px;
  margin: 26px 0 0;
  color: #304860;
  font-size: 15px;
  line-height: 1.95;
}

.capability-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 28px;
}

.capability-row article {
  min-width: 0;
  display: grid;
  justify-items: center;
  padding: 15px 8px 12px;
  border: 1px solid transparent;
  border-radius: 14px;
  text-align: center;
  transition:
    background 0.2s ease,
    border-color 0.2s ease,
    transform 0.2s ease;
}

.capability-row article:first-child,
.capability-row article:hover {
  border-color: #e2ecf8;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 10px 26px rgba(31, 90, 155, 0.07);
  transform: translateY(-2px);
}

.capability-row strong {
  margin-top: 8px;
  color: #132b48;
  font-size: 12px;
  white-space: nowrap;
}

.capability-row small {
  color: #7a8795;
  font-size: 9px;
}

.line-icon {
  position: relative;
  width: 43px;
  height: 43px;
  display: grid;
  place-items: center;
  color: var(--blue);
}

.focus-icon::before,
.focus-icon::after {
  content: "";
  position: absolute;
  width: 30px;
  height: 30px;
  border: 3px solid var(--blue);
}

.focus-icon::before {
  border-right-color: transparent;
  border-bottom-color: transparent;
  border-radius: 8px 0 0 0;
}

.focus-icon::after {
  border-left-color: transparent;
  border-top-color: transparent;
  border-radius: 0 0 8px 0;
}

.focus-icon i {
  width: 13px;
  height: 13px;
  border: 2px solid var(--blue);
  border-radius: 50%;
}

.radio-icon::before,
.radio-icon::after {
  content: "";
  position: absolute;
  border: 2px solid var(--blue);
  border-top-color: transparent;
  border-bottom-color: transparent;
  border-radius: 50%;
}

.radio-icon::before {
  inset: 3px;
}

.radio-icon::after {
  inset: 11px;
}

.radio-icon i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--blue);
}

.mic-icon::before {
  content: "";
  width: 13px;
  height: 24px;
  border: 3px solid var(--blue);
  border-radius: 9px;
}

.mic-icon::after {
  content: "";
  position: absolute;
  bottom: 4px;
  width: 25px;
  height: 17px;
  border: 3px solid var(--blue);
  border-top: 0;
  border-radius: 0 0 15px 15px;
}

.shield-icon::before {
  content: "";
  width: 28px;
  height: 33px;
  border: 3px solid var(--blue);
  border-radius: 14px 14px 18px 18px;
  clip-path: polygon(50% 0, 100% 18%, 90% 75%, 50% 100%, 10% 75%, 0 18%);
}

.shield-icon i::before,
.shield-icon i::after {
  content: "";
  position: absolute;
  background: var(--blue);
  border-radius: 2px;
}

.shield-icon i::before {
  width: 9px;
  height: 3px;
  transform: translate(-8px, 4px) rotate(45deg);
}

.shield-icon i::after {
  width: 16px;
  height: 3px;
  transform: translate(-2px, 1px) rotate(-48deg);
}

.hero-products {
  position: relative;
  min-height: 510px;
}

.hero-products::before {
  content: "";
  position: absolute;
  top: -70px;
  right: -80px;
  bottom: -80px;
  left: -60px;
  background:
    radial-gradient(circle at 45% 48%, rgba(255, 255, 255, 0.97), rgba(255, 255, 255, 0.16) 58%, transparent 72%);
}

.hero-screen-photo {
  position: absolute;
  z-index: 3;
  top: -4px;
  left: -5%;
  width: 63%;
  min-width: 390px;
  max-height: 490px;
  object-fit: contain;
  mix-blend-mode: multiply;
  filter: contrast(1.03) saturate(0.98);
  transform: perspective(1000px) rotateY(-3deg);
}

.product-screen {
  position: relative;
  background: #0e1822;
  box-shadow: 0 28px 52px rgba(23, 44, 64, 0.28);
}

.hero-screen {
  position: absolute;
  z-index: 3;
  left: 3%;
  top: 30px;
  width: 52%;
  min-width: 350px;
  height: 420px;
  padding: 18px 20px 108px;
  border: 1px solid #202a34;
  border-radius: 28px 28px 34px 34px;
  transform: perspective(1000px) rotateY(-4deg);
}

.screen-camera {
  position: absolute;
  z-index: 3;
  top: 8px;
  left: 50%;
  width: 7px;
  height: 7px;
  border: 1px solid #324454;
  border-radius: 50%;
  background: #020709;
  transform: translateX(-50%);
}

.screen-ui {
  height: 100%;
  padding: 14px;
  border: 1px solid #223646;
  border-radius: 16px;
  background:
    radial-gradient(circle at 16% 10%, rgba(67, 144, 229, 0.2), transparent 30%),
    linear-gradient(145deg, #09233d, #081523);
  color: white;
}

.screen-top {
  display: flex;
  justify-content: space-between;
  color: #d9e8f7;
  font-size: 11px;
}

.chat {
  width: 76%;
  margin: 22px 0 11px;
  padding: 11px 13px;
  border-radius: 12px 12px 12px 3px;
  background: linear-gradient(90deg, #294d76, #1b334f);
  font-size: 12px;
}

.screen-ui > small {
  color: #b0c2d6;
  font-size: 9px;
}

.result-panel {
  display: grid;
  grid-template-columns: 1fr 84px;
  gap: 12px;
  margin-top: 15px;
  padding: 12px;
  border: 1px solid rgba(76, 155, 244, 0.4);
  border-radius: 10px;
  background: rgba(17, 39, 64, 0.8);
}

.result-panel > div:first-child {
  display: grid;
  gap: 3px;
  align-content: center;
  color: #dae9f5;
  font-size: 9px;
}

.drone-photo {
  display: grid;
  min-height: 54px;
  overflow: hidden;
  border: 1px solid #315d88;
  border-radius: 7px;
  background: #f8fbff;
  place-items: center;
}

.drone-photo img {
  display: block;
  width: 100%;
  height: 54px;
  object-fit: contain;
  mix-blend-mode: multiply;
}

.voice-wave {
  width: 50%;
  height: 10px;
  margin-top: 14px;
  background: repeating-linear-gradient(90deg, #2d78dd 0 3px, transparent 3px 7px);
  transform: skewY(-6deg);
}

.speaker-grid {
  position: absolute;
  right: 22px;
  bottom: 25px;
  left: 22px;
  height: 56px;
  opacity: 0.45;
  background: radial-gradient(circle, #687784 0 1px, transparent 1.5px);
  background-size: 7px 7px;
  mask-image: radial-gradient(ellipse, black 20%, transparent 78%);
}

.hero-rfd {
  position: absolute;
  z-index: 4;
  top: 48px;
  right: -3%;
  width: 55%;
  max-height: 440px;
  object-fit: contain;
  mix-blend-mode: multiply;
  filter: contrast(1.05) saturate(0.85);
  transform: rotate(-4deg);
}

.product-shadow {
  position: absolute;
  z-index: 1;
  height: 38px;
  border-radius: 50%;
  background: rgba(32, 47, 59, 0.2);
  filter: blur(17px);
}

.screen-shadow {
  bottom: 45px;
  left: 5%;
  width: 50%;
}

.rfd-shadow {
  right: -2%;
  bottom: 44px;
  width: 48%;
}

.section {
  padding: 76px clamp(24px, 4.3vw, 68px);
}

.center-heading {
  margin-bottom: 40px;
  text-align: center;
}

.center-heading span,
.split-heading h2 {
  color: var(--navy);
  font-weight: 800;
}

.center-heading span {
  font-size: 21px;
}

.center-heading h2 {
  margin: 5px 0 0;
  color: #53647a;
  font-size: 12px;
  font-weight: 500;
}

.hardware {
  background: linear-gradient(180deg, white, #fbfdff);
}

.hardware-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.hardware-card {
  min-height: 338px;
  display: grid;
  grid-template-columns: 0.95fr 1.25fr;
  align-items: center;
  gap: 20px;
  padding: 26px;
  border: 1px solid #edf2f7;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow);
}

.hardware-card.rfd-card {
  grid-template-columns: 1.05fr 1.05fr;
}

.hardware-card.rfd-card > img {
  width: 100%;
  mix-blend-mode: multiply;
  transform: rotate(-3deg);
}

.hardware-copy h3 {
  margin: 2px 0 1px;
  color: #0c2c53;
  font-size: 19px;
  line-height: 1.25;
}

.hardware-copy h4 {
  margin: 0 0 14px;
  color: #3b4d63;
  font-size: 12px;
  font-weight: 500;
}

.hardware-copy p {
  margin: 0;
  color: #526174;
  font-size: 10px;
}

.hardware-copy ul {
  display: grid;
  gap: 5px;
  margin: 15px 0 0;
  padding: 0;
  list-style: none;
  color: #263e59;
  font-size: 9px;
}

.hardware-copy li::before {
  content: "•";
  margin-right: 7px;
  color: var(--blue);
}

.hardware-tag {
  display: inline-block;
  margin-bottom: 8px;
  padding: 4px 7px;
  border-radius: 6px;
  background: var(--blue-soft);
  color: var(--blue);
  font-size: 8px;
  font-weight: 700;
}

.gateway-real-photo {
  display: block;
  width: 100%;
  max-width: 210px;
  max-height: 210px;
  margin: auto;
  object-fit: contain;
  mix-blend-mode: multiply;
  filter: contrast(1.03);
}

.gateway-product {
  position: relative;
  width: 160px;
  height: 115px;
  margin: auto;
  border-radius: 8px;
  background: linear-gradient(145deg, #38434b, #101820);
  box-shadow: 0 24px 30px rgba(23, 39, 53, 0.22);
  transform: perspective(500px) rotateX(8deg) rotateY(18deg);
}

.heat-sink {
  position: absolute;
  top: -24px;
  right: 5px;
  left: 5px;
  height: 38px;
  display: flex;
  justify-content: space-around;
}

.heat-sink i {
  width: 10px;
  height: 37px;
  background: linear-gradient(90deg, #1a242a, #4b555b, #182126);
  transform: skewY(-14deg);
}

.gateway-front {
  position: absolute;
  right: 8px;
  bottom: 15px;
  left: 8px;
  display: flex;
  gap: 7px;
}

.gateway-front span {
  width: 18px;
  height: 10px;
  border: 2px solid #060b0e;
  border-radius: 2px;
  background: #27333a;
}

.gateway-led {
  position: absolute;
  right: 14px;
  bottom: 8px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #4ee7d1;
  box-shadow: 0 0 8px #4ee7d1;
}

.mini-smart-display {
  width: 170px;
  height: 155px;
  margin: auto;
  padding: 12px 12px 45px;
  border: 1px solid #202a34;
  border-radius: 17px 17px 22px 22px;
  transform: perspective(500px) rotateY(-7deg);
}

.mini-smart-display-photo {
  display: block;
  width: 100%;
  max-width: 190px;
  max-height: 190px;
  margin: auto;
  object-fit: contain;
  mix-blend-mode: multiply;
}

.mini-smart-display .speaker-grid {
  right: 14px;
  bottom: 10px;
  left: 14px;
  height: 28px;
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 7px;
  padding: 13px;
}

.app-grid div {
  display: grid;
  place-items: center;
  padding: 6px 3px;
  border-radius: 6px;
  background: rgba(65, 121, 181, 0.22);
}

.app-grid i {
  color: #8bc8ff;
  font-size: 10px;
  font-style: normal;
}

.app-grid span {
  color: #d7e6f2;
  font-size: 6px;
}

.split-heading {
  display: grid;
  grid-template-columns: 1fr 0.6fr;
  align-items: end;
  gap: 50px;
  margin-bottom: 30px;
}

.split-heading h2 {
  margin: 4px 0 0;
  font-size: 22px;
}

.split-heading > p {
  margin: 0;
  color: #6f7e8f;
  font-size: 11px;
}

.workflow-section {
  background:
    radial-gradient(circle at 15% 20%, rgba(43, 119, 222, 0.08), transparent 20%),
    var(--blue-pale);
}

.workflow {
  display: grid;
  grid-template-columns: 1fr 32px 1fr 32px 1fr 32px 1fr 32px 1fr;
  align-items: center;
  gap: 6px;
}

.workflow article {
  min-height: 122px;
  display: grid;
  place-items: center;
  align-content: center;
  border: 1px solid #dfebf8;
  border-radius: 13px;
  background: white;
  box-shadow: 0 12px 28px rgba(31, 88, 151, 0.07);
  text-align: center;
}

.workflow > i {
  color: var(--blue);
  text-align: center;
  font-style: normal;
}

.flow-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  margin-bottom: 7px;
  border-radius: 10px;
  background: linear-gradient(145deg, #e7f2ff, #f6faff);
  color: var(--blue);
  font-size: 20px;
}

.workflow strong,
.ai-pipeline strong {
  color: #163658;
  font-size: 11px;
}

.workflow small,
.ai-pipeline small {
  color: #768597;
  font-size: 8px;
}

.ai-pipeline {
  display: grid;
  grid-template-columns: 90px 1fr 20px 1fr 20px 1fr 20px 1fr 20px 1fr;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  padding: 14px;
  border-radius: 13px;
  background: white;
  box-shadow: 0 12px 28px rgba(31, 88, 151, 0.07);
}

.pipeline-title {
  color: var(--navy);
  font-size: 10px;
  font-weight: 800;
  text-align: center;
}

.ai-pipeline article {
  display: grid;
  justify-items: center;
  padding: 8px;
  border-radius: 9px;
  background: #f7faff;
}

.ai-pipeline i {
  color: var(--blue);
  font-style: normal;
}

.ai-pipeline b {
  color: #87a4c4;
  text-align: center;
}

.scenarios {
  background: white;
}

.demo-link {
  justify-self: end;
  border: 0;
  background: transparent;
  color: var(--blue);
  cursor: pointer;
  font-size: 11px;
  font-weight: 700;
}

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

.scenario-grid > article {
  overflow: hidden;
  border: 1px solid #e5edf5;
  border-radius: 15px;
  background: white;
  box-shadow: 0 15px 36px rgba(29, 72, 118, 0.08);
}

.scene {
  position: relative;
  height: 190px;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.25), transparent),
    linear-gradient(145deg, #e8edf1, #fafbfc);
}

.scenario-grid h3 {
  margin: 16px 18px 3px;
  color: #14375c;
  font-size: 14px;
}

.scenario-grid p {
  min-height: 44px;
  margin: 0 18px;
  color: #536377;
  font-size: 9px;
}

.scenario-grid > article > small {
  display: block;
  margin: 10px 18px 18px;
  color: #8793a1;
  font-size: 8px;
}

.person {
  position: absolute;
  bottom: 0;
  left: 10%;
  width: 75px;
  height: 138px;
}

.person i {
  position: absolute;
  top: 0;
  left: 24px;
  width: 35px;
  height: 43px;
  border-radius: 48% 48% 40% 40%;
  background: linear-gradient(145deg, #70503e, #c89273);
}

.person span {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 98px;
  border-radius: 38px 38px 0 0;
  background: linear-gradient(145deg, #c5c9c7, #8f9895);
}

.scene-screen {
  position: absolute;
  right: 8%;
  bottom: 32px;
  width: 58%;
  display: grid;
  gap: 8px;
  padding: 17px;
  border: 6px solid #1e292d;
  border-radius: 12px;
  background: #102a45;
  color: white;
  box-shadow: 0 13px 22px rgba(27, 45, 59, 0.22);
}

.scene-screen b {
  font-size: 8px;
}

.scene-screen span {
  padding: 7px;
  border-radius: 5px;
  background: rgba(67, 143, 224, 0.23);
  font-size: 7px;
}

.scene-locate img,
.scene-inventory img {
  position: absolute;
  width: 70%;
  max-height: 188px;
  object-fit: contain;
  mix-blend-mode: multiply;
  transform: rotate(-8deg);
}

.scene-locate img {
  left: 3%;
  bottom: 0;
}

.scene-inventory img {
  right: -4%;
  bottom: -12px;
}

.signal-rings {
  position: absolute;
  right: 10%;
  top: 25%;
  width: 80px;
  height: 80px;
}

.signal-rings i {
  position: absolute;
  inset: calc(var(--n, 0) * 11px);
  border: 2px solid rgba(37, 111, 211, 0.55);
  border-left-color: transparent;
  border-bottom-color: transparent;
  border-radius: 50%;
  transform: rotate(45deg);
}

.signal-rings i:nth-child(2) {
  --n: 1;
}

.signal-rings i:nth-child(3) {
  --n: 2;
}

.scene-locate > span {
  position: absolute;
  right: 8%;
  bottom: 24px;
  padding: 5px 8px;
  border-radius: 999px;
  background: var(--blue);
  color: white;
  font-size: 7px;
}

.box-drawing {
  position: absolute;
  left: 14%;
  bottom: 30px;
  width: 132px;
  height: 90px;
  border: 3px solid #b98f5b;
  background: #dcb17a;
  transform: skewY(-4deg);
}

.box-drawing::before {
  content: "";
  position: absolute;
  top: -32px;
  left: 12px;
  width: 104px;
  height: 35px;
  border: 3px solid #b98f5b;
  background: #e4bd8d;
  transform: skewX(25deg);
}

.tag-chip {
  position: absolute;
  z-index: 2;
  left: 39%;
  bottom: 56px;
  padding: 7px;
  border-radius: 5px;
  background: white;
  color: var(--blue);
  font-size: 7px;
  font-weight: 800;
  box-shadow: 0 4px 12px rgba(28, 67, 103, 0.15);
}

.camera-drawing {
  position: absolute;
  top: 34px;
  right: 12%;
  width: 67px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: #26343d;
  color: #d3e0e7;
  font-size: 22px;
}

.inventory-float {
  position: absolute;
  top: 28px;
  left: 8%;
  width: 115px;
  display: grid;
  padding: 15px;
  border-radius: 11px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 13px 28px rgba(28, 69, 109, 0.14);
}

.inventory-float b {
  color: var(--navy);
  font-size: 28px;
  line-height: 1;
}

.inventory-float span {
  color: #66788a;
  font-size: 8px;
}

.inventory-float i {
  position: absolute;
  top: 13px;
  right: 13px;
  width: 20px;
  height: 20px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #e4f7ee;
  color: var(--green);
  font-style: normal;
  font-size: 10px;
}

.locate-simulator {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  align-items: center;
  gap: 70px;
  background: linear-gradient(145deg, #f4f8fd, #edf5ff);
}

.simulator-copy h2 {
  margin: 5px 0 15px;
  color: var(--navy);
  font-size: clamp(28px, 3vw, 42px);
}

.simulator-copy p {
  max-width: 650px;
  color: #52667d;
  font-size: 12px;
}

.simulator-copy label {
  display: block;
  margin-top: 26px;
  color: #294765;
  font-size: 11px;
  font-weight: 700;
}

.simulator-copy input {
  width: min(600px, 100%);
  margin: 18px 0 5px;
  accent-color: var(--blue);
}

.simulator-copy > small {
  display: block;
  color: #8190a0;
  font-size: 9px;
}

.simulator-card {
  min-height: 410px;
  padding: 25px;
  border: 1px solid #d9e7f6;
  border-radius: 24px;
  background: white;
  box-shadow: 0 25px 60px rgba(28, 73, 120, 0.14);
}

.sim-top,
.sim-rssi {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #6b7d91;
  font-size: 9px;
}

.sim-top span {
  display: flex;
  align-items: center;
  gap: 7px;
}

.sim-top i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #48bd83;
  box-shadow: 0 0 8px #48bd83;
}

.sim-target {
  display: grid;
  grid-template-columns: 40px 1fr auto;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
  padding: 12px;
  border: 1px solid #e3ebf4;
  border-radius: 12px;
  background: #f8fbff;
}

.target-symbol {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  background: var(--blue-soft);
  color: var(--blue);
}

.sim-target div {
  display: grid;
}

.sim-target strong {
  color: #17395e;
  font-size: 11px;
}

.sim-target small {
  color: #8190a0;
  font-size: 8px;
}

.sim-target > b {
  color: var(--blue);
  font-size: 9px;
}

.sim-body {
  display: grid;
  grid-template-columns: 160px 1fr;
  align-items: center;
  gap: 20px;
  margin-top: 20px;
}

.radar {
  position: relative;
  width: 155px;
  height: 155px;
  display: grid;
  place-items: center;
}

.radar > i {
  position: absolute;
  inset: calc(var(--r, 0) * 23px);
  border: 1px solid rgba(37, 111, 211, 0.22);
  border-radius: 50%;
}

.radar > i:nth-child(2) {
  --r: 1;
}

.radar > i:nth-child(3) {
  --r: 2;
}

.radar > span {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 19px var(--blue);
}

.radar.active > i {
  animation: pulse-ring 1.5s ease-out infinite;
}

.radar.active > i:nth-child(2) {
  animation-delay: 0.25s;
}

.radar.active > i:nth-child(3) {
  animation-delay: 0.5s;
}

@keyframes pulse-ring {
  0% {
    opacity: 1;
    transform: scale(0.9);
  }
  100% {
    opacity: 0.25;
    transform: scale(1.06);
  }
}

.sim-status {
  display: grid;
  gap: 5px;
}

.sim-status strong {
  color: var(--blue);
  font-size: 24px;
}

.sim-status span {
  min-height: 38px;
  color: #718298;
  font-size: 9px;
}

.signal-meter {
  height: 6px;
  margin: 13px 0;
  overflow: hidden;
  border-radius: 6px;
  background: #e7edf3;
}

.signal-meter span {
  display: block;
  width: 23%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #7bb3f6, var(--blue));
  transition: width 0.2s ease;
}

.sim-rssi b {
  color: var(--navy);
}

.architecture {
  background: white;
}

.architecture-layout {
  display: grid;
  grid-template-columns: 115px 1fr 48px 118px;
  align-items: center;
  gap: 16px;
}

.input-column,
.output-column {
  display: grid;
  gap: 9px;
}

.input-column article,
.output-column article {
  display: grid;
  justify-items: center;
  padding: 13px 8px;
  border: 1px solid #e1eaf4;
  border-radius: 10px;
  background: #fbfdff;
  color: #17395e;
  font-size: 9px;
  text-align: center;
}

.input-column i,
.output-column i {
  color: var(--blue);
  font-size: 19px;
  font-style: normal;
}

.output-column strong {
  font-size: 9px;
}

.output-column small {
  color: #8090a0;
  font-size: 7px;
}

.architecture-stack {
  display: grid;
  gap: 7px;
}

.layer {
  display: grid;
  grid-template-columns: 92px repeat(5, 1fr);
  gap: 7px;
  align-items: stretch;
  padding: 9px;
  border: 1px solid #cfe1f5;
  border-radius: 10px;
  background: #eef6ff;
}

.layer > strong {
  display: grid;
  place-items: center;
  color: #25496f;
  font-size: 9px;
}

.layer > span {
  display: grid;
  place-items: center;
  min-height: 42px;
  padding: 6px;
  border: 1px solid #b9d5f2;
  border-radius: 7px;
  background: white;
  color: #214568;
  font-size: 8px;
  text-align: center;
}

.layer > span b {
  color: var(--blue);
  font-size: 8px;
}

.layer > span small {
  color: #7b8fa2;
  font-size: 6px;
}

.ai-layer {
  background: #e8f7ff;
}

.compute-layer {
  grid-template-columns: 92px repeat(4, 1fr);
  border-color: #cce8d5;
  background: #eefaf2;
}

.compute-layer > span {
  border-color: #bfdfc8;
}

.data-layer {
  grid-template-columns: 92px repeat(4, 1fr);
  border-color: #d7dced;
  background: #f1f3fa;
}

.data-layer > span {
  border-color: #d8dcec;
}

.output-arrow {
  color: var(--blue);
  font-size: 22px;
  text-align: center;
}

.architecture-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 20px;
  padding: 13px;
  border: 1px solid #dce8f5;
  border-radius: 11px;
  background: #f8fbff;
  color: #50657b;
  font-size: 8px;
}

.architecture-note strong {
  color: var(--navy);
}

.architecture-note b {
  color: var(--blue);
}

.advantages {
  background: #fbfdff;
}

.advantage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.advantage-grid article {
  min-height: 90px;
  display: grid;
  grid-template-columns: 46px 1fr;
  align-items: center;
  gap: 14px;
  padding: 18px;
  border: 1px solid #e4ecf5;
  border-radius: 12px;
  background: white;
  box-shadow: 0 10px 27px rgba(29, 72, 118, 0.05);
}

.advantage-grid > article > i {
  width: 43px;
  height: 43px;
  display: grid;
  place-items: center;
  border-radius: 11px;
  background: var(--blue-soft);
  color: var(--blue);
  font-style: normal;
  font-size: 19px;
}

.advantage-grid h3 {
  margin: 0;
  color: #17395d;
  font-size: 12px;
}

.advantage-grid p {
  margin: 2px 0 0;
  color: #6c7b8c;
  font-size: 8px;
}

.guide-section {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  align-items: center;
  gap: 60px;
  padding: 60px clamp(24px, 4.3vw, 68px);
  background: linear-gradient(135deg, #eaf4ff, #f7fbff);
}

.guide-section h2 {
  margin: 5px 0 12px;
  color: var(--navy);
  font-size: 26px;
}

.guide-section p {
  color: #5f7185;
  font-size: 10px;
}

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

.phase-list article {
  min-height: 95px;
  display: grid;
  grid-template-columns: 28px 1fr;
  align-items: center;
  gap: 8px;
  padding: 12px;
  border: 1px solid #dbe7f4;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.8);
}

.phase-list article.current {
  border-color: #83b7f2;
  background: white;
  box-shadow: 0 10px 24px rgba(30, 91, 158, 0.1);
}

.phase-list > article > span {
  color: var(--blue);
  font-size: 16px;
  font-weight: 800;
}

.phase-list div {
  display: grid;
}

.phase-list strong {
  color: #1d3c5e;
  font-size: 9px;
}

.phase-list small {
  color: #8190a0;
  font-size: 7px;
}

.closing {
  min-height: 112px;
  display: grid;
  grid-template-columns: 65px 1fr auto;
  align-items: center;
  gap: 22px;
  padding: 24px clamp(24px, 4.3vw, 68px);
  background:
    radial-gradient(circle at 82% 50%, rgba(58, 130, 218, 0.22), transparent 27%),
    linear-gradient(90deg, #073166, #072650);
  color: white;
}

.closing-home {
  font-size: 52px;
}

.closing h2 {
  margin: 0;
  font-size: 21px;
}

.closing p {
  margin: 3px 0 0;
  color: #bfd1e7;
  font-size: 9px;
}

.closing-values {
  display: flex;
  gap: 34px;
}

.closing-values span {
  display: grid;
  justify-items: center;
  color: #dce9f8;
  font-size: 9px;
}

.closing-values i {
  width: 37px;
  height: 37px;
  display: grid;
  place-items: center;
  margin-bottom: 4px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 50%;
  font-style: normal;
  font-size: 16px;
}

footer {
  display: flex;
  justify-content: space-between;
  padding: 18px clamp(24px, 4.3vw, 68px);
  background: #041c39;
  color: #7f9bbb;
  font-size: 8px;
}

@media (max-width: 1180px) {
  .main-nav {
    gap: 15px;
  }

  .main-nav a {
    font-size: 10px;
  }

  .hero {
    grid-template-columns: 0.9fr 1.1fr;
  }

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

  .hardware-card {
    grid-template-columns: 0.45fr 1fr;
    min-height: 250px;
  }

  .hardware-card.rfd-card {
    grid-template-columns: 0.45fr 1fr;
  }
}

@media (max-width: 900px) {
  .main-nav {
    position: absolute;
    top: 64px;
    right: 16px;
    left: 16px;
    display: none;
    height: auto;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: white;
    box-shadow: var(--shadow);
  }

  .main-nav.open {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .main-nav a {
    min-height: 42px;
    padding: 8px;
    border-radius: 8px;
  }

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

  .menu-button {
    display: block;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    padding-top: 110px;
  }

  .hero-copy {
    padding-right: 0;
  }

  .hero-products {
    min-height: 500px;
    margin-top: 30px;
  }

  .scenario-grid,
  .advantage-grid {
    grid-template-columns: 1fr 1fr;
  }

  .workflow {
    grid-template-columns: 1fr 20px 1fr;
  }

  .workflow article:nth-of-type(3),
  .workflow article:nth-of-type(4),
  .workflow article:nth-of-type(5),
  .workflow > i:nth-of-type(3),
  .workflow > i:nth-of-type(4) {
    margin-top: 12px;
  }

  .workflow article:nth-of-type(3) {
    grid-column: 1;
  }

  .workflow > i:nth-of-type(3) {
    grid-column: 2;
  }

  .workflow article:nth-of-type(4) {
    grid-column: 3;
  }

  .workflow > i:nth-of-type(4) {
    display: none;
  }

  .workflow article:nth-of-type(5) {
    grid-column: 2 / span 1;
  }

  .ai-pipeline {
    grid-template-columns: repeat(5, 1fr);
  }

  .pipeline-title,
  .ai-pipeline > b {
    display: none;
  }

  .locate-simulator,
  .guide-section {
    grid-template-columns: 1fr;
  }

  .architecture-layout {
    grid-template-columns: 90px 1fr;
  }

  .output-arrow,
  .output-column {
    display: none;
  }

  .phase-list {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .topbar {
    height: 64px;
    padding: 0 16px;
  }

  .brand-home {
    width: 32px;
    height: 32px;
    transform: scale(0.8);
  }

  .brand-copy strong {
    font-size: 12px;
  }

  .brand-copy small {
    font-size: 8px;
  }

  .hero {
    padding: 96px 20px 30px;
  }

  .hero h1 {
    font-size: 44px;
  }

  .hero h2 {
    font-size: 17px;
  }

  .hero-copy > p {
    font-size: 12px;
  }

  .capability-row {
    grid-template-columns: 1fr 1fr;
  }

  .hero-products {
    min-height: 390px;
  }

  .hero-screen-photo {
    top: 8px;
    left: -8%;
    width: 78%;
    min-width: 300px;
  }

  .hero-rfd {
    top: 52px;
    right: -14%;
    width: 61%;
  }

  .chat {
    width: 92%;
    font-size: 9px;
  }

  .result-panel {
    grid-template-columns: 1fr 65px;
  }

  .section {
    padding: 60px 20px;
  }

  .split-heading {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .hardware-card,
  .hardware-card.rfd-card {
    grid-template-columns: 1fr;
  }

  .hardware-card > img {
    max-width: 230px;
    margin: auto;
  }

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

  .workflow > i {
    transform: rotate(90deg);
  }

  .workflow article,
  .workflow article:nth-of-type(3),
  .workflow article:nth-of-type(4),
  .workflow article:nth-of-type(5),
  .workflow > i:nth-of-type(3) {
    grid-column: 1;
    margin-top: 0;
  }

  .workflow > i:nth-of-type(4) {
    display: block;
  }

  .ai-pipeline,
  .scenario-grid,
  .advantage-grid {
    grid-template-columns: 1fr;
  }

  .ai-pipeline article {
    grid-template-columns: 25px 1fr auto;
    justify-items: start;
  }

  .scene {
    height: 210px;
  }

  .sim-body {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  .architecture-layout {
    grid-template-columns: 1fr;
  }

  .input-column {
    grid-template-columns: repeat(4, 1fr);
  }

  .layer,
  .compute-layer,
  .data-layer {
    grid-template-columns: 1fr 1fr;
  }

  .layer > strong {
    grid-column: 1 / -1;
  }

  .architecture-note {
    flex-wrap: wrap;
  }

  .phase-list {
    grid-template-columns: 1fr;
  }

  .closing {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  .closing-values {
    margin-top: 10px;
  }

  footer {
    gap: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}