:root {
  --color-ink: #0b1f33;
  --color-muted: #5b6b7c;
  --color-blue: #0b63ce;
  --color-blue-dark: #064b9d;
  --color-cyan: #05b8d8;
  --color-teal: #18a999;
  --color-emerald: #10b981;
  --color-amber: #f59e0b;
  --color-surface: #ffffff;
  --color-soft: #f3f8fc;
  --color-line: #dce8f3;
  --shadow-sm: 0 12px 30px rgba(8, 45, 82, 0.08);
  --shadow-md: 0 22px 60px rgba(8, 45, 82, 0.14);
  --radius: 8px;
  --nav-height: 76px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  color: var(--color-ink);
  font-family: "Plus Jakarta Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #fff;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

.page-shell {
  opacity: 1;
}

h1,
h2,
h3,
h4,
h5,
h6,
.navbar-brand,
.btn,
.eyebrow {
  font-family: "Plus Jakarta Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

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

a:hover {
  color: inherit;
}

img {
  max-width: 100%;
}

section[id] {
  scroll-margin-top: calc(var(--nav-height) + 24px);
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 1050;
  padding: 10px 14px;
  border-radius: var(--radius);
  background: var(--color-blue);
  color: #fff;
  transition: top 160ms ease;
}

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

.navbar-premium {
  min-height: var(--nav-height);
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid rgba(220, 232, 243, 0.78);
  backdrop-filter: blur(18px);
  transition: box-shadow 180ms ease, background 180ms ease;
}

.navbar-premium.is-scrolled {
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 8px 30px rgba(8, 45, 82, 0.08);
}

.navbar-brand {
  color: var(--color-ink);
  font-weight: 800;
  gap: 10px;
}

.brand-mark {
  display: inline-grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 8px;
  color: #fff;
  background: linear-gradient(135deg, var(--color-blue), var(--color-cyan));
  box-shadow: 0 12px 26px rgba(11, 99, 206, 0.28);
}

.brand-text small {
  display: block;
  color: var(--color-muted);
  font-size: 0.68rem;
  font-weight: 600;
  line-height: 1;
}

.nav-link {
  color: #31465a;
  font-weight: 700;
  font-size: 0.93rem;
}

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

.navbar-toggler {
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
}

.btn {
  border-radius: var(--radius);
  font-weight: 800;
  letter-spacing: 0;
}

.btn-primary {
  border: 0;
  background: linear-gradient(135deg, var(--color-blue), var(--color-cyan));
  box-shadow: 0 14px 28px rgba(11, 99, 206, 0.22);
}

.btn-primary:hover,
.btn-primary:focus {
  background: linear-gradient(135deg, var(--color-blue-dark), #0797bb);
  transform: translateY(-1px);
}

.btn-outline-primary {
  border-color: rgba(11, 99, 206, 0.28);
  color: var(--color-blue);
  background: rgba(255, 255, 255, 0.74);
}

.btn-outline-primary:hover,
.btn-outline-primary:focus {
  border-color: var(--color-blue);
  background: var(--color-blue);
  color: #fff;
}

.btn-light {
  color: var(--color-blue-dark);
}

.icon-inline {
  width: 18px;
  height: 18px;
  stroke-width: 2.2;
}

.hero {
  position: relative;
  min-height: calc(86svh - var(--nav-height));
  display: flex;
  align-items: center;
  isolation: isolate;
  overflow: hidden;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(5, 26, 52, 0.88) 0%, rgba(6, 54, 94, 0.78) 42%, rgba(6, 96, 128, 0.42) 100%),
    var(--hero-image) center/cover no-repeat;
}

.hero::after {
  position: absolute;
  inset: auto 0 0;
  height: 190px;
  z-index: -1;
  content: "";
  background: linear-gradient(0deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0));
}

.hero-inner {
  padding: 92px 0 72px;
}

.hero h1 {
  max-width: 820px;
  font-size: clamp(2.35rem, 5vw, 5.45rem);
  line-height: 1.02;
  font-weight: 800;
}

.hero p {
  max-width: 660px;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(1rem, 1.8vw, 1.28rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.proof-item {
  min-width: 150px;
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
}

.proof-item strong {
  display: block;
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 1.25rem;
}

.proof-item span {
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.83rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  color: var(--color-blue);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.eyebrow.light {
  color: #a7f3ff;
}

.section-pad {
  padding: 86px 0;
}

.section-soft {
  background:
    linear-gradient(180deg, rgba(240, 249, 255, 0.68), rgba(255, 255, 255, 0.92)),
    #f6fbff;
}

.section-title {
  max-width: 760px;
}

.section-title h2 {
  margin-bottom: 14px;
  font-size: clamp(2rem, 3.5vw, 3.25rem);
  line-height: 1.08;
  font-weight: 800;
}

.section-title p {
  color: var(--color-muted);
  font-size: 1.05rem;
}

.mini-band {
  border-bottom: 1px solid var(--color-line);
  background: #fff;
}

.mini-band-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--color-line);
}

.mini-band-item {
  min-height: 112px;
  padding: 22px;
  background: #fff;
}

.mini-band-item span {
  color: var(--color-muted);
  font-size: 0.9rem;
}

.mini-band-item strong {
  display: block;
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 1.15rem;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.product-card {
  position: relative;
  display: flex;
  min-height: 100%;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid rgba(220, 232, 243, 0.95);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-sm);
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.product-card:hover,
.product-card:focus-visible {
  border-color: rgba(5, 184, 216, 0.7);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.product-media {
  position: relative;
  display: grid;
  min-height: 280px;
  place-items: center;
  overflow: hidden;
  background: linear-gradient(180deg, #f8fcff, #edf7ff);
}

.product-media img {
  width: 100%;
  height: 280px;
  object-fit: contain;
  padding: 16px;
  transition: transform 260ms ease;
}

.product-card:hover .product-media img {
  transform: scale(1.045);
}

.product-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 22px;
}

.product-tag {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 6px;
  margin-bottom: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  color: var(--color-blue);
  background: #eaf5ff;
  font-size: 0.75rem;
  font-weight: 800;
}

.product-card h3 {
  margin-bottom: 8px;
  font-size: 1.22rem;
  font-weight: 800;
}

.product-card p {
  color: var(--color-muted);
  font-size: 0.94rem;
}

.spec-list {
  display: grid;
  gap: 8px;
  margin: 14px 0 18px;
  padding: 0;
  color: #334960;
  font-size: 0.9rem;
  list-style: none;
}

.spec-list li {
  display: flex;
  gap: 8px;
}

.spec-list li::before {
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  margin-top: 7px;
  border-radius: 50%;
  content: "";
  background: var(--color-cyan);
}

.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
}

.product-price {
  color: var(--color-blue-dark);
  font-family: "Plus Jakarta Sans", sans-serif;
  font-weight: 800;
}

.product-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-blue);
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 0.88rem;
  font-weight: 800;
}

.product-card:hover .product-cta {
  color: var(--color-cyan);
}

.trust-grid,
.category-grid,
.testimonial-grid,
.contact-grid,
.metric-grid {
  display: grid;
  gap: 22px;
}

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

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

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

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

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

.trust-card,
.category-card,
.testimonial-card,
.info-card,
.metric-card,
.form-panel {
  border: 1px solid rgba(220, 232, 243, 0.95);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.trust-card,
.category-card,
.testimonial-card,
.info-card,
.metric-card {
  padding: 24px;
}

.icon-box,
.trust-card .icon-box,
.category-card .icon-box,
.info-card .icon-box {
  display: grid;
  width: 46px;
  height: 46px;
  margin-bottom: 18px;
  place-items: center;
  border-radius: var(--radius);
  color: var(--color-blue);
  background: linear-gradient(135deg, #eaf5ff, #ddfbff);
}

.trust-card h3,
.category-card h3,
.info-card h3,
.metric-card h3 {
  font-size: 1.08rem;
  font-weight: 800;
}

.trust-card p,
.category-card p,
.testimonial-card p,
.info-card p {
  color: var(--color-muted);
}

.category-card {
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.category-card:hover,
.category-card:focus-visible {
  border-color: rgba(5, 184, 216, 0.65);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 32px;
}

.filter-pill {
  border: 1px solid var(--color-line);
  border-radius: 999px;
  padding: 9px 14px;
  color: #334960;
  background: #fff;
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 0.86rem;
  font-weight: 800;
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease;
}

.filter-pill.active,
.filter-pill:hover {
  border-color: var(--color-blue);
  color: #fff;
  background: var(--color-blue);
}

.product-card.is-hidden {
  display: none;
}

.cta-band {
  position: relative;
  overflow: hidden;
  color: #fff;
  background:
    linear-gradient(135deg, rgba(5, 34, 68, 0.96), rgba(7, 113, 151, 0.9)),
    url("https://tchmedical.com/assets/blog-patient-monitor-BeAF4xEl.jpg") center/cover no-repeat;
}

.cta-band p {
  color: rgba(255, 255, 255, 0.82);
}

.cta-band::before {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0));
}

.cta-content {
  position: relative;
  z-index: 1;
}

.form-panel {
  padding: 28px;
}

.form-control,
.form-select {
  min-height: 50px;
  border-color: var(--color-line);
  border-radius: var(--radius);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--color-cyan);
  box-shadow: 0 0 0 0.2rem rgba(5, 184, 216, 0.14);
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--color-blue);
  font-weight: 800;
}

.contact-link:hover {
  color: var(--color-cyan);
}

.footer {
  color: #b9c9d8;
  background: #071827;
}

.footer a {
  color: #dbeafe;
}

.footer a:hover {
  color: #67e8f9;
}

.footer .brand-mark {
  box-shadow: none;
}

.footer-title {
  color: #fff;
  font-family: "Plus Jakarta Sans", sans-serif;
  font-weight: 800;
}

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

.subhero {
  position: relative;
  overflow: hidden;
  padding: 92px 0 64px;
  color: #fff;
  background:
    linear-gradient(100deg, rgba(5, 26, 52, 0.92), rgba(5, 88, 128, 0.66)),
    var(--subhero-image, url("https://tchmedical.com/assets/hero-medical-BxxkKQwc.jpg")) center/cover no-repeat;
}

.subhero h1 {
  max-width: 820px;
  font-size: clamp(2.1rem, 4vw, 4.25rem);
  font-weight: 800;
  line-height: 1.08;
}

.subhero p {
  max-width: 690px;
  color: rgba(255, 255, 255, 0.84);
  font-size: 1.1rem;
}

.timeline {
  position: relative;
  display: grid;
  gap: 20px;
}

.timeline-item {
  padding-left: 52px;
  position: relative;
}

.timeline-item::before {
  position: absolute;
  left: 0;
  top: 2px;
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  content: attr(data-step);
  background: var(--color-blue);
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 0.82rem;
  font-weight: 800;
}

.timeline-item h3 {
  font-size: 1.05rem;
  font-weight: 800;
}

.timeline-item p {
  color: var(--color-muted);
}

.hidden-visually {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.map-frame {
  min-height: 340px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(11, 99, 206, 0.14), rgba(5, 184, 216, 0.1)),
    #f5fbff;
}

.map-frame .icon-box {
  margin-inline: auto;
}

@media (max-width: 1199px) {
  .product-grid,
  .testimonial-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 991px) {
  :root {
    --nav-height: 68px;
  }

  .navbar-collapse {
    padding: 16px 0 8px;
  }

  .hero {
    min-height: auto;
  }

  .hero-inner {
    padding: 76px 0 58px;
  }

  .mini-band-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 767px) {
  .section-pad {
    padding: 64px 0;
  }

  .hero-actions,
  .hero-actions .btn,
  .cta-content .btn {
    width: 100%;
  }

  .hero-actions .btn,
  .cta-content .btn {
    justify-content: center;
  }

  .proof-item {
    flex: 1 1 calc(50% - 14px);
    min-width: 0;
  }

  .product-grid,
  .trust-grid,
  .category-grid,
  .testimonial-grid,
  .metric-grid {
    grid-template-columns: 1fr;
  }

  .product-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .form-panel {
    padding: 22px;
  }
}

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