* {
  box-sizing: border-box;
}

:root {
  --navy: #061b46;
  --blue: #1d63e4;
  --cyan: #20c7d4;
  --light: #f4f9ff;
  --text: #071f49;
  --muted: #5d6f8c;
  --white: #ffffff;
  --line: #e6effa;
  --shadow: 0 18px 50px rgba(8, 35, 78, 0.12);
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, Arial, sans-serif;
  color: var(--text);
  background: var(--white);
}

.container {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.nav-container {
  height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand img {
  height: 48px;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-links a {
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  font-size: 14px;
}

.nav-links a:hover {
  color: var(--blue);
}

.nav-cta {
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  color: white !important;
  padding: 11px 16px;
  border-radius: 999px;
}

.menu-btn {
  display: none;
  border: 0;
  background: var(--navy);
  color: white;
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 20px;
}

.hero {
  padding: 90px 0 70px;
  background:
    radial-gradient(circle at 85% 20%, rgba(32, 199, 212, 0.22), transparent 32%),
    radial-gradient(circle at 15% 20%, rgba(29, 99, 228, 0.15), transparent 35%),
    linear-gradient(180deg, #ffffff, #f4f9ff);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 60px;
  align-items: center;
}

.eyebrow,
.section-heading span,
.section-tag,
.contact span {
  display: inline-block;
  color: var(--blue);
  font-weight: 900;
  letter-spacing: 2px;
  font-size: 12px;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.hero h1 {
  font-size: clamp(44px, 6vw, 72px);
  line-height: 0.98;
  margin: 0 0 24px;
  letter-spacing: -2px;
}

.hero p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.7;
  max-width: 650px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  padding: 15px 22px;
  border-radius: 14px;
  font-weight: 900;
}

.btn.primary {
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  color: white;
  box-shadow: 0 12px 30px rgba(29, 99, 228, 0.25);
}

.btn.secondary {
  color: var(--blue);
  background: white;
  border: 1px solid var(--line);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 38px;
}

.hero-stats div {
  background: white;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
  box-shadow: 0 10px 35px rgba(8, 35, 78, 0.07);
}

.hero-stats strong {
  display: block;
  color: var(--blue);
  font-size: 26px;
}

.hero-stats span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  margin-top: 5px;
}

.hero-visual {
  position: relative;
}

.device-card {
  background: linear-gradient(180deg, #082a6c, #061b46);
  border-radius: 34px;
  padding: 26px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(255,255,255,0.12);
}

.scan-window {
  background: #04122e;
  border-radius: 26px;
  height: 380px;
  overflow: hidden;
  position: relative;
}

.arm {
  position: absolute;
  inset: 0;
}

.arm:before {
  content: "";
  position: absolute;
  width: 78%;
  height: 120px;
  border-radius: 90px;
  left: 11%;
  top: 135px;
  background: linear-gradient(90deg, #f0c0a5, #c98678);
  opacity: 0.93;
  transform: rotate(-4deg);
}

.vein {
  position: absolute;
  height: 5px;
  border-radius: 999px;
  background: var(--cyan);
  box-shadow: 0 0 18px var(--cyan);
  z-index: 2;
}

.vein-1 {
  width: 52%;
  left: 24%;
  top: 188px;
  transform: rotate(-10deg);
}

.vein-2 {
  width: 34%;
  left: 36%;
  top: 218px;
  transform: rotate(14deg);
}

.vein-3 {
  width: 24%;
  left: 45%;
  top: 160px;
  transform: rotate(22deg);
}

.target {
  position: absolute;
  width: 44px;
  height: 44px;
  border: 4px solid var(--cyan);
  border-radius: 50%;
  left: 46%;
  top: 169px;
  z-index: 3;
  box-shadow: 0 0 26px var(--cyan);
}

.device-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 20px;
  color: white;
}

.device-footer span {
  display: block;
  color: #a9dff8;
  font-size: 13px;
}

.device-footer strong {
  display: block;
  margin-top: 6px;
  font-size: 18px;
}

.score {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  font-size: 22px;
  font-weight: 900;
}

.section {
  padding: 90px 0;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 42px;
}

.section-heading.center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.section-heading h2,
.split h2,
.contact h2 {
  font-size: clamp(34px, 4vw, 52px);
  line-height: 1.08;
  margin: 0 0 18px;
  letter-spacing: -1.3px;
}

.section-heading p,
.split p,
.contact p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.75;
}

.cards {
  display: grid;
  gap: 22px;
}

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

.card {
  background: white;
  border: 1px solid var(--line);
  border-radius: 26px;
  padding: 28px;
  box-shadow: 0 12px 35px rgba(8, 35, 78, 0.08);
}

.icon {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: #eaf8ff;
  color: var(--blue);
  font-size: 26px;
  margin-bottom: 18px;
}

.card h3 {
  font-size: 22px;
  margin: 0 0 12px;
}

.card p {
  color: var(--muted);
  line-height: 1.65;
  margin: 0;
}

.blue-section {
  background:
    radial-gradient(circle at 20% 10%, rgba(32,199,212,0.24), transparent 25%),
    linear-gradient(135deg, #061b46, #082a6c);
  color: white;
}

.blue-section p,
.blue-section .feature-list {
  color: #c9e7ff;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.feature-list {
  padding: 0;
  margin: 30px 0 0;
  list-style: none;
}

.feature-list li {
  margin-bottom: 14px;
  padding-left: 30px;
  position: relative;
}

.feature-list li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--cyan);
  font-weight: 900;
}

.solution-panel {
  background: white;
  color: var(--text);
  padding: 30px;
  border-radius: 30px;
  box-shadow: var(--shadow);
}

.panel-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 28px;
}

.panel-header span {
  color: var(--cyan);
  font-weight: 900;
}

.score-row {
  display: grid;
  grid-template-columns: 135px 1fr 45px;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}

.bar {
  height: 13px;
  background: #e8f0fb;
  border-radius: 999px;
  overflow: hidden;
}

.bar i {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  border-radius: 999px;
}

.recommendation {
  margin-top: 26px;
  background: #eafaf6;
  color: #08745f;
  border: 1px solid #8de0d1;
  padding: 16px;
  border-radius: 16px;
  font-weight: 900;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.tech-card {
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 26px;
  background: linear-gradient(180deg, #ffffff, #f7fbff);
}

.tech-card h3 {
  color: var(--blue);
}

.tech-card p {
  color: var(--muted);
  line-height: 1.65;
}

.prototype-section {
  background: var(--light);
}

.prototype-grid {
  display: grid;
  grid-template-columns: 1fr 0.8fr;
  gap: 36px;
  align-items: center;
}

.prototype-image {
  min-height: 420px;
  background: white;
  border-radius: 30px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 18px;
  display: grid;
  place-items: center;
  overflow: hidden;
  position: relative;
}

.prototype-image img {
  width: 100%;
  border-radius: 20px;
}

.fallback-prototype {
  display: none;
  text-align: center;
  color: var(--muted);
}

.mini-device {
  width: 220px;
  height: 140px;
  margin: 0 auto 20px;
  border-radius: 28px;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
}

.roadmap {
  display: grid;
  gap: 18px;
}

.roadmap-item {
  display: flex;
  gap: 18px;
  background: white;
  border: 1px solid var(--line);
  padding: 20px;
  border-radius: 22px;
}

.roadmap-item span {
  flex: 0 0 42px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: #eaf0fb;
  color: var(--blue);
  font-weight: 900;
}

.roadmap-item.active span {
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  color: white;
}

.roadmap-item h3 {
  margin: 0 0 6px;
}

.roadmap-item p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.integration-flow {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.integration-flow div {
  background: #eef8ff;
  border: 1px solid #bfe9ff;
  padding: 15px 18px;
  border-radius: 15px;
  font-weight: 900;
}

.integration-flow span {
  color: var(--cyan);
  font-size: 24px;
  font-weight: 900;
}

.record-card {
  background: #061b46;
  color: white;
  border-radius: 30px;
  padding: 30px;
  box-shadow: var(--shadow);
}

.record-card pre {
  background: #04122e;
  color: #d9f7ff;
  padding: 22px;
  border-radius: 18px;
  overflow-x: auto;
  line-height: 1.65;
}

.dashboard-preview {
  background: linear-gradient(180deg, #ffffff, #f4f9ff);
}

.dashboard-card {
  background: white;
  border: 1px solid var(--line);
  border-radius: 32px;
  padding: 30px;
  box-shadow: var(--shadow);
}

.dashboard-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.dashboard-top h3 {
  margin: 0;
  font-size: 28px;
}

.dashboard-top span {
  color: var(--blue);
  font-weight: 900;
}

.dashboard-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin: 30px 0;
}

.dashboard-metrics div {
  background: #f4f9ff;
  border: 1px solid var(--line);
  padding: 22px;
  border-radius: 22px;
}

.dashboard-metrics strong {
  display: block;
  font-size: 34px;
  color: var(--blue);
}

.dashboard-metrics span {
  display: block;
  color: var(--muted);
  margin-top: 6px;
}

.dashboard-bars {
  height: 240px;
  background: #f4f9ff;
  border-radius: 22px;
  padding: 28px;
  display: flex;
  align-items: end;
  gap: 22px;
}

.dashboard-bars span {
  flex: 1;
  background: linear-gradient(180deg, var(--cyan), var(--blue));
  border-radius: 14px 14px 0 0;
}

.impact-section {
  background: white;
}

.impact-card {
  border-top: 5px solid var(--blue);
}

.contact {
  padding: 80px 0;
  background:
    radial-gradient(circle at 10% 20%, rgba(32,199,212,0.25), transparent 30%),
    linear-gradient(135deg, #061b46, #082a6c);
}

.contact-card {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 34px;
  padding: 46px;
  color: white;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.contact-card p {
  color: #cde9ff;
}

footer {
  background: #04122e;
  color: #9cb6d8;
  padding: 28px 0;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.footer-content img {
  height: 36px;
  filter: brightness(1.4);
}

@media (max-width: 950px) {
  .nav-links {
    position: absolute;
    top: 82px;
    left: 0;
    right: 0;
    background: white;
    border-bottom: 1px solid var(--line);
    padding: 20px;
    display: none;
    flex-direction: column;
    align-items: flex-start;
  }

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

  .menu-btn {
    display: block;
  }

  .hero-grid,
  .split,
  .prototype-grid {
    grid-template-columns: 1fr;
  }

  .cards.three,
  .tech-grid,
  .dashboard-metrics,
  .hero-stats {
    grid-template-columns: 1fr;
  }

  .contact-card,
  .footer-content {
    flex-direction: column;
    text-align: center;
  }

  .hero {
    padding-top: 55px;
  }
}