:root {
  --bg: #f7fbff;
  --surface: #ffffff;
  --text: #142033;
  --muted: #667085;
  --line: #dbe7f3;
  --dark: #101827;
  --dark-soft: #182235;
  --blue: #2f80ed;
  --blue-dark: #1b63bf;
  --green: #1fb88a;
  --amber: #f2b94b;
  --red: #e65f5c;
  --shadow: 0 22px 70px rgba(20, 32, 51, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

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

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

button,
input,
textarea {
  font: inherit;
}

.container {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  gap: 24px;
  align-items: center;
  padding: 18px min(5vw, 56px);
  background: rgba(247, 251, 255, 0.88);
  border-bottom: 1px solid rgba(219, 231, 243, 0.8);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  width: 40px;
  height: 40px;
  display: inline-grid;
  place-items: center;
  border-radius: 8px;
  color: #fff;
  background: var(--blue);
  font-size: 14px;
}

.main-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 22px;
  color: #334155;
  font-size: 15px;
}

.main-nav a {
  padding: 8px 0;
}

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

.header-cta,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 700;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.header-cta,
.btn-primary {
  color: #fff;
  background: var(--blue);
}

.header-cta:hover,
.btn-primary:hover {
  background: var(--blue-dark);
  transform: translateY(-2px);
}

.btn-ghost {
  border-color: rgba(255, 255, 255, 0.34);
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.btn-soft {
  border-color: var(--line);
  color: var(--blue-dark);
  background: #eaf4ff;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px auto;
  background: var(--text);
}

.hero {
  padding: 78px 0 92px;
  color: #fff;
  background: var(--dark);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 56px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--green);
  font-size: 14px;
  font-weight: 800;
  text-transform: uppercase;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: clamp(42px, 6vw, 76px);
  line-height: 0.98;
}

h2 {
  margin-bottom: 20px;
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.08;
}

h3 {
  margin-bottom: 10px;
  font-size: 22px;
  line-height: 1.22;
}

.lead {
  max-width: 650px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 19px;
}

.hero-actions,
.inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.hero-focus {
  display: grid;
  gap: 4px;
  width: min(100%, 560px);
  margin-top: 36px;
  padding: 18px 20px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.hero-focus span,
.signal-card span {
  color: rgba(255, 255, 255, 0.68);
  font-size: 14px;
}

.hero-visual {
  position: relative;
  min-height: 560px;
  display: grid;
  place-items: center;
}

.hero-visual img {
  width: min(100%, 620px);
  filter: drop-shadow(0 38px 60px rgba(0, 0, 0, 0.35));
}

.signal-card {
  position: absolute;
  width: min(270px, 70%);
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(16, 24, 39, 0.82);
  box-shadow: var(--shadow);
}

.signal-card strong {
  display: block;
  margin-top: 5px;
}

.signal-card-top {
  top: 42px;
  right: 0;
}

.signal-card-bottom {
  left: 0;
  bottom: 48px;
}

.section {
  padding: 108px 0;
}

.split-heading {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 42px;
  align-items: end;
  margin-bottom: 42px;
}

.section-note {
  color: var(--muted);
  font-size: 18px;
}

.section-center {
  max-width: 820px;
  margin: 0 auto 46px;
  text-align: center;
}

.card-grid {
  display: grid;
  gap: 22px;
}

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

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

.info-card,
.feature-card,
.formula-card,
.contact-card,
.request-form,
.patient-table {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 16px 45px rgba(20, 32, 51, 0.07);
}

.info-card,
.feature-card {
  min-height: 238px;
  padding: 26px;
}

.icon-pill,
.feature-icon {
  display: inline-grid;
  place-items: center;
  min-width: 46px;
  height: 46px;
  margin-bottom: 24px;
  padding: 0 10px;
  border-radius: 8px;
  color: #fff;
  background: var(--blue);
  font-weight: 800;
}

.info-card p,
.feature-card p,
.doctor-grid p,
.ai-grid p,
.analytics-grid p {
  color: var(--muted);
}

.dark-section {
  color: #fff;
  background: var(--dark);
}

.dark-section h2,
.dark-section h3 {
  color: #fff;
}

.dark-section p {
  color: rgba(255, 255, 255, 0.72);
}

.workflow {
  display: grid;
  grid-template-columns: 1fr 0.9fr 1fr;
  gap: 28px;
  align-items: center;
}

.workflow-list {
  display: grid;
  gap: 16px;
}

.workflow-list article {
  min-height: 150px;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: var(--dark-soft);
}

.workflow-list span {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-bottom: 12px;
  border-radius: 8px;
  color: var(--dark);
  background: var(--green);
  font-weight: 800;
}

.workflow-device {
  padding: 24px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
}

.feature-spotlight {
  padding: 100px 0;
  color: #fff;
  background: #182235;
}

.spotlight-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 42px;
  align-items: center;
}

.spotlight-grid p {
  color: rgba(255, 255, 255, 0.74);
}

.stat-stack {
  display: grid;
  gap: 18px;
}

.stat-stack article {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 8px 20px;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.stat-stack strong {
  grid-row: span 2;
  color: var(--green);
  font-size: 58px;
  line-height: 1;
}

.stat-stack span {
  font-size: 22px;
  font-weight: 800;
}

.stat-stack p {
  margin-bottom: 0;
}

.feature-card a {
  display: inline-flex;
  margin-top: 16px;
  color: var(--blue-dark);
  font-weight: 800;
}

.doctor-section {
  background: #eef6ff;
}

.doctor-grid,
.ai-grid,
.analytics-grid,
.contact-grid,
.footer-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 46px;
  align-items: center;
}

.check-list {
  display: grid;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 28px;
}

.check-list li::before {
  content: "";
  position: absolute;
  top: 9px;
  left: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--green);
}

.dashboard-wrap {
  display: grid;
  gap: 18px;
}

.patient-table {
  overflow: hidden;
}

.patient-row {
  display: grid;
  grid-template-columns: 1fr 0.5fr 0.7fr 1fr 0.9fr;
  gap: 12px;
  align-items: center;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

.patient-row:last-child {
  border-bottom: 0;
}

.risk {
  display: inline-flex;
  justify-content: center;
  padding: 5px 8px;
  border-radius: 8px;
  font-style: normal;
  font-weight: 800;
}

.risk.high {
  color: #8a1f1f;
  background: #ffe6e4;
}

.risk.mid {
  color: #7a4b00;
  background: #fff2ca;
}

.formula-card {
  padding: 30px;
}

.formula {
  padding: 18px;
  border-radius: 8px;
  color: var(--text) !important;
  background: #eaf4ff;
  font-weight: 800;
}

.formula-card ul {
  display: grid;
  gap: 12px;
  padding: 0;
  list-style: none;
}

.dot {
  display: inline-block;
  width: 12px;
  height: 12px;
  margin-right: 8px;
  border-radius: 50%;
}

.dot.good {
  background: var(--green);
}

.dot.mid {
  background: var(--amber);
}

.dot.high {
  background: var(--red);
}

.ai-output {
  margin-top: 24px;
  padding: 18px;
  border-radius: 8px;
  background: #f7fbff;
}

.ai-output p {
  margin-bottom: 6px;
}

.medical-note {
  padding: 16px 18px;
  border-left: 4px solid var(--blue);
  border-radius: 8px;
  background: #eaf4ff;
}

.analytics-section {
  color: #fff;
  background: var(--dark);
}

.analytics-section h2 {
  color: #fff;
}

.analytics-section p {
  color: rgba(255, 255, 255, 0.76);
}

.analytics-section .medical-note {
  color: #dfefff;
  background: rgba(47, 128, 237, 0.16);
}

.analytics-grid {
  grid-template-columns: 0.95fr 1.05fr;
}

.metric-grid {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.metric-grid span {
  min-height: 72px;
  display: grid;
  place-items: center;
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  text-align: center;
}

.slider-section {
  padding: 0;
  background: var(--dark);
}

.slider {
  position: relative;
  min-height: 420px;
  display: grid;
  place-items: center;
  overflow: hidden;
  color: #fff;
  background: linear-gradient(120deg, #101827 0%, #17385c 58%, #145b5a 100%);
}

.slide {
  display: none;
  width: min(900px, calc(100% - 40px));
  text-align: center;
}

.slide.is-active {
  display: block;
}

.slide h2 {
  color: #fff;
}

.slide p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.76);
  font-size: 18px;
}

.slider-controls {
  position: absolute;
  right: min(5vw, 60px);
  bottom: 36px;
  display: flex;
  gap: 10px;
}

.slider-controls button {
  width: 46px;
  height: 46px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 8px;
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  font-size: 30px;
  line-height: 1;
  cursor: pointer;
}

.accent-green {
  border-top: 4px solid var(--green);
}

.accent-blue {
  border-top: 4px solid var(--blue);
}

.accent-amber {
  border-top: 4px solid var(--amber);
}

.faq-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 46px;
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  overflow: hidden;
}

.faq-item button {
  width: 100%;
  padding: 20px 22px;
  border: 0;
  color: var(--text);
  background: transparent;
  text-align: left;
  font-weight: 800;
  cursor: pointer;
}

.faq-item p {
  display: none;
  margin: 0;
  padding: 0 22px 22px;
  color: var(--muted);
}

.faq-item.is-open p {
  display: block;
}

.contact-section {
  padding: 108px 0;
  color: #fff;
  background: #182235;
}

.contact-section h2 {
  color: #fff;
}

.contact-section p {
  color: rgba(255, 255, 255, 0.76);
}

.contact-card {
  display: grid;
  gap: 8px;
  margin-top: 28px;
  padding: 22px;
  border-color: rgba(255, 255, 255, 0.16);
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}

.request-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding: 28px;
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.08);
}

.request-form input,
.request-form textarea {
  width: 100%;
  min-width: 0;
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.request-form input::placeholder,
.request-form textarea::placeholder {
  color: rgba(255, 255, 255, 0.64);
}

.request-form textarea,
.request-form input[type="email"],
.consent,
.request-form button,
.form-status {
  grid-column: 1 / -1;
}

.consent {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: rgba(255, 255, 255, 0.82);
  font-size: 15px;
}

.consent input {
  width: auto;
  margin-top: 4px;
}

.form-status {
  min-height: 24px;
  margin: 0;
  color: #bff4df !important;
}

.site-footer {
  padding: 70px 0 28px;
  color: rgba(255, 255, 255, 0.76);
  background: #0b1220;
}

.footer-grid {
  grid-template-columns: 1.4fr 0.7fr 0.7fr 0.8fr;
  align-items: start;
}

.footer-brand {
  margin-bottom: 18px;
  color: #fff;
}

.site-footer h3 {
  color: #fff;
  font-size: 18px;
}

.site-footer a,
.site-footer span {
  display: block;
  margin-bottom: 10px;
}

.copyright {
  width: min(1180px, calc(100% - 40px));
  margin: 46px auto 0;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  text-align: center;
}

@media (max-width: 1080px) {
  .site-header {
    grid-template-columns: auto auto auto;
  }

  .main-nav {
    position: fixed;
    inset: 77px 20px auto 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    box-shadow: var(--shadow);
  }

  .main-nav.is-open {
    display: flex;
  }

  .header-cta {
    justify-self: end;
  }

  .menu-toggle {
    display: block;
  }

  .hero-grid,
  .spotlight-grid,
  .doctor-grid,
  .ai-grid,
  .analytics-grid,
  .contact-grid,
  .faq-grid {
    grid-template-columns: 1fr;
  }

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

  .workflow-device {
    max-width: 520px;
    margin: 0 auto;
  }

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

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

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

@media (max-width: 760px) {
  .site-header {
    padding: 14px 20px;
    grid-template-columns: auto auto;
  }

  .header-cta {
    display: none;
  }

  .hero {
    padding-top: 52px;
  }

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

  .signal-card {
    position: static;
    width: 100%;
    margin-top: 12px;
  }

  .split-heading,
  .card-grid.three,
  .card-grid.four,
  .footer-grid,
  .request-form {
    grid-template-columns: 1fr;
  }

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

  .stat-stack article {
    grid-template-columns: 1fr;
  }

  .stat-stack strong {
    grid-row: auto;
  }

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

  .slider {
    min-height: 520px;
  }
}