:root {
  --bg-main: #050914;
  --bg-section: #0b1220;
  --bg-card: #111827;
  --bg-card-soft: rgba(17, 24, 39, 0.78);
  --text-main: #f8fafc;
  --text-muted: #cbd5e1;
  --text-soft: #94a3b8;
  --blue-main: #38bdf8;
  --blue-dark: #0ea5e9;
  --blue-glow: rgba(56, 189, 248, 0.35);
  --orange-main: #f97316;
  --orange-soft: #fdba74;
  --orange-glow: rgba(249, 115, 22, 0.35);
  --border-soft: rgba(255, 255, 255, 0.12);
  --border-blue: rgba(56, 189, 248, 0.35);
  --border-orange: rgba(249, 115, 22, 0.4);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 10% -10%, rgba(56, 189, 248, 0.12), transparent 40%),
    radial-gradient(circle at 90% 5%, rgba(249, 115, 22, 0.1), transparent 35%),
    var(--bg-main);
  color: var(--text-main);
  font-family: "Inter", sans-serif;
  line-height: 1.65;
}

h1,
h2,
h3 {
  margin-top: 0;
  font-family: "Sora", sans-serif;
  letter-spacing: -0.03em;
  color: var(--text-main);
}

p {
  margin: 0;
  color: var(--text-muted);
}

a {
  color: var(--blue-main);
  text-decoration: none;
}

a:hover {
  color: var(--orange-soft);
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--orange-main);
  outline-offset: 2px;
}

.container {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

.section {
  padding: 5.75rem 0;
}

.section-alt {
  background: linear-gradient(180deg, rgba(11, 18, 32, 0.95), rgba(5, 9, 20, 0.95));
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
}

.section-head {
  margin-bottom: 2.25rem;
  max-width: 760px;
}

.section-head h2 {
  margin-bottom: 0.85rem;
  font-size: clamp(1.7rem, 2.2vw, 2.5rem);
}

.section-head p {
  font-size: 1.03rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--border-soft);
  background: rgba(5, 9, 20, 0.72);
  backdrop-filter: blur(8px);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
  min-height: 76px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 700;
  color: var(--text-main);
}

.brand img {
  width: 38px;
  height: 38px;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
}

.site-nav a {
  position: relative;
  color: var(--text-muted);
  font-weight: 600;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.3rem;
  width: 100%;
  height: 2px;
  transform: scaleX(0);
  transform-origin: left;
  background: linear-gradient(135deg, var(--blue-main), var(--orange-main));
  transition: transform 0.2s ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-weight: 700;
  padding: 0.9rem 1.35rem;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    border-color 0.2s ease,
    color 0.2s ease;
}

.btn-primary {
  background: linear-gradient(135deg, #f97316, #fdba74);
  color: #050914;
  border: 0;
  box-shadow: 0 12px 30px rgba(249, 115, 22, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  color: #050914;
  box-shadow: 0 16px 40px rgba(249, 115, 22, 0.35);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-main);
  border: 1px solid var(--border-blue);
}

.btn-secondary:hover {
  border-color: var(--orange-main);
  color: var(--orange-soft);
}

.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  background:
    radial-gradient(circle at 20% 30%, rgba(56, 189, 248, 0.18), transparent 30%),
    radial-gradient(circle at 80% 40%, rgba(249, 115, 22, 0.18), transparent 28%),
    linear-gradient(135deg, #050914 0%, #0b1220 60%, #020617 100%);
}

.hero-content {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

.eyebrow {
  color: var(--blue-main);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.78rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.hero-copy h1 {
  font-size: clamp(2.2rem, 4.5vw, 3.9rem);
  margin-bottom: 1rem;
}

.hero-copy .lead {
  font-size: 1.08rem;
  margin-bottom: 0.85rem;
}

.hero-actions {
  display: flex;
  gap: 0.85rem;
  margin-top: 1.65rem;
  flex-wrap: wrap;
}

.hero-visual {
  min-height: 360px;
  border-radius: 24px;
  border: 1px solid var(--border-soft);
  background:
    linear-gradient(135deg, rgba(5, 9, 20, 0.08), rgba(5, 9, 20, 0.22)),
    url("../../images/caretech-ai-neural-hero.svg") center / cover no-repeat,
    linear-gradient(135deg, rgba(15, 23, 42, 0.9), rgba(2, 6, 23, 0.95));
  box-shadow:
    0 0 50px rgba(56, 189, 248, 0.18),
    0 0 70px rgba(249, 115, 22, 0.12);
  position: relative;
  overflow: hidden;
}

.hero-visual::before,
.hero-visual::after {
  display: none;
}

.node-grid {
  display: none;
}

.node-grid span {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  box-shadow: 0 0 18px currentColor;
}

.node-grid span:nth-child(odd) {
  color: var(--blue-main);
  background: var(--blue-main);
}

.node-grid span:nth-child(even) {
  color: var(--orange-main);
  background: var(--orange-main);
}

.node-grid span:nth-child(1) {
  top: 18%;
  left: 15%;
}
.node-grid span:nth-child(2) {
  top: 26%;
  left: 46%;
}
.node-grid span:nth-child(3) {
  top: 14%;
  right: 18%;
}
.node-grid span:nth-child(4) {
  top: 52%;
  left: 24%;
}
.node-grid span:nth-child(5) {
  top: 64%;
  left: 50%;
}
.node-grid span:nth-child(6) {
  top: 70%;
  right: 18%;
}
.node-grid span:nth-child(7) {
  top: 40%;
  right: 36%;
}
.node-grid span:nth-child(8) {
  top: 42%;
  left: 66%;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.15rem;
}

.service-card,
.care-card,
.founder-card,
.process-grid li {
  background: linear-gradient(180deg, rgba(17, 24, 39, 0.95), rgba(15, 23, 42, 0.95));
  border: 1px solid var(--border-soft);
  border-radius: 18px;
  padding: 1.55rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
  transition:
    transform 0.25s ease,
    border-color 0.25s ease,
    box-shadow 0.25s ease;
}

.service-card:hover,
.care-card:hover,
.process-grid li:hover,
.founder-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-orange);
  box-shadow: 0 24px 70px rgba(249, 115, 22, 0.12);
}

.service-card h3,
.care-card h3,
.process-grid h3,
.founder-card h3 {
  margin-bottom: 0.55rem;
  font-size: 1.22rem;
}

.care-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.care-card h3 span {
  color: var(--orange-main);
  font-size: 1.3em;
}

.process-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.85rem;
}

.process-grid li {
  position: relative;
}

.process-grid li::before {
  content: "";
  position: absolute;
  top: 0.8rem;
  left: 0.8rem;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--blue-main);
  box-shadow: 0 0 16px var(--blue-glow);
}

.process-grid li h3 {
  margin-left: 1.1rem;
}

.capability-tags {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.capability-tags li {
  border: 1px solid var(--border-blue);
  background: var(--bg-card-soft);
  border-radius: 999px;
  padding: 0.5rem 0.95rem;
  color: var(--text-main);
  font-size: 0.9rem;
}

.capability-tags li:nth-child(3n) {
  border-color: var(--border-orange);
}

.work-preview-grid,
.work-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.1rem;
}

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

.work-card {
  background: linear-gradient(180deg, rgba(17, 24, 39, 0.95), rgba(15, 23, 42, 0.95));
  border: 1px solid var(--border-soft);
  border-radius: 18px;
  padding: 1.4rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
  transition:
    transform 0.25s ease,
    border-color 0.25s ease,
    box-shadow 0.25s ease;
}

.work-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-orange);
  box-shadow: 0 24px 70px rgba(249, 115, 22, 0.12);
}

.work-card h2,
.work-card h3 {
  margin-bottom: 0.55rem;
  font-size: 1.18rem;
}

.work-card p + p {
  margin-top: 0.65rem;
}

.work-label {
  color: var(--blue-main);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  margin-bottom: 0.45rem;
}

.work-meta {
  color: var(--text-soft);
  font-size: 0.92rem;
}

.work-card a {
  display: inline-flex;
  margin-top: 0.95rem;
  font-weight: 700;
}

.work-preview-actions {
  display: flex;
  gap: 0.9rem;
  margin-top: 1.3rem;
  flex-wrap: wrap;
}

.dashboard-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 1.2rem;
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: auto;
  min-width: 0;
  font-family: "Inter", sans-serif;
  font-size: 0.9rem;
  line-height: 1.2;
  border: 1px solid var(--border-blue);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-main);
  font-weight: 600;
  padding: 0.5rem 0.95rem;
  cursor: pointer;
  transition:
    border-color 0.2s ease,
    color 0.2s ease,
    transform 0.2s ease;
}

.filter-chip:hover {
  border-color: var(--border-orange);
  color: var(--orange-soft);
}

.filter-chip.is-active {
  border-color: var(--border-orange);
  color: var(--orange-soft);
  transform: translateY(-1px);
}

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

.dashboard-card h3 {
  margin-bottom: 0.6rem;
}

.dashboard-card .detail-btn {
  margin-top: 1rem;
  width: fit-content;
}

.project-detail {
  margin-top: 1.1rem;
  background: linear-gradient(180deg, rgba(17, 24, 39, 0.95), rgba(15, 23, 42, 0.95));
  border: 1px solid var(--border-blue);
  border-radius: 18px;
  padding: 1.3rem;
}

.project-detail.is-hidden {
  display: none;
}

.project-detail h3 {
  margin-bottom: 0.5rem;
}

.project-detail p + p {
  margin-top: 0.55rem;
}

.project-note {
  color: var(--text-soft);
  font-size: 0.92rem;
}

.chart-panel,
.sql-viewer {
  background: linear-gradient(180deg, rgba(17, 24, 39, 0.95), rgba(15, 23, 42, 0.95));
  border: 1px solid var(--border-soft);
  border-radius: 18px;
  padding: 1.3rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
}

.chart-panel h3,
.sql-viewer h3 {
  margin-bottom: 0.55rem;
}

.chart-canvas {
  width: 100%;
  min-height: 380px;
}

.is-hidden {
  display: none !important;
}

.demo-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  margin: 0.7rem 0 0.95rem;
}

.demo-controls label {
  color: var(--text-muted);
  font-size: 0.92rem;
  font-weight: 600;
}

.demo-controls select {
  background: var(--bg-card-soft);
  color: var(--text-main);
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  padding: 0.45rem 0.65rem;
}

.sql-query-block {
  margin: 0.85rem 0 1rem;
  background: rgba(5, 9, 20, 0.8);
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  padding: 0.9rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.5;
  overflow-x: auto;
}

.table-wrap {
  overflow-x: auto;
}

.result-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 520px;
}

.result-table th,
.result-table td {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  text-align: left;
  padding: 0.55rem 0.45rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.result-table th {
  color: var(--text-main);
  font-weight: 700;
}

#case-chart .result-table {
  min-width: 0;
}

.case-panel {
  display: grid;
  gap: 1rem;
}

.case-context {
  margin-bottom: 0.25rem;
}

.case-technique {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  width: fit-content;
  border: 1px solid var(--border-blue);
  border-radius: 999px;
  padding: 0.42rem 0.8rem;
  background: rgba(56, 189, 248, 0.08);
  color: var(--text-main);
  font-size: 0.9rem;
}

.case-guidance-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.guidance-card,
.case-conclusion {
  background: rgba(5, 9, 20, 0.55);
  border: 1px solid var(--border-soft);
  border-radius: 14px;
  padding: 1rem;
}

.guidance-card h3,
.case-conclusion h3 {
  margin-bottom: 0.45rem;
  font-size: 1.04rem;
}

.case-nav {
  display: flex;
  gap: 0.85rem;
  flex-wrap: wrap;
}

.work-hero {
  background:
    radial-gradient(circle at 20% 25%, rgba(56, 189, 248, 0.16), transparent 32%),
    radial-gradient(circle at 78% 40%, rgba(249, 115, 22, 0.14), transparent 30%),
    linear-gradient(135deg, #050914 0%, #0b1220 55%, #020617 100%);
}

.work-hero h1 {
  font-size: clamp(2rem, 4vw, 3.1rem);
}

.work-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.work-hero-tags span {
  border: 1px solid var(--border-blue);
  border-radius: 999px;
  padding: 0.4rem 0.8rem;
  font-size: 0.86rem;
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.03);
}

.resource-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
}

.resource-item {
  display: block;
  text-align: center;
  border-radius: 14px;
  border: 1px solid var(--border-soft);
  background: var(--bg-card-soft);
  padding: 0.95rem 1rem;
  color: var(--text-main);
  font-weight: 600;
}

.resource-item:hover {
  border-color: var(--border-orange);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.8fr;
  gap: 1.2rem;
  align-items: start;
}

.about-copy p + p {
  margin-top: 0.8rem;
}

.founder-card img {
  width: 100%;
  border-radius: 16px;
  border: 1px solid var(--border-soft);
  display: block;
  margin-bottom: 0.95rem;
}

.contact {
  text-align: center;
}

.contact-wrap {
  max-width: 820px;
}

.contact-actions {
  display: flex;
  justify-content: center;
  gap: 0.9rem;
  margin-top: 1.35rem;
  flex-wrap: wrap;
}

.contact-email {
  margin-top: 1.15rem;
}

.contact-email a {
  font-weight: 600;
}

.site-footer {
  border-top: 1px solid var(--border-soft);
  background: #04070f;
  padding: 2.4rem 0;
}

.footer-wrap {
  text-align: center;
}

.footer-brand {
  color: var(--text-main);
  font-family: "Sora", sans-serif;
  font-weight: 700;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin: 0.8rem 0;
  color: var(--text-soft);
}

.copyright {
  color: var(--text-soft);
  font-size: 0.9rem;
}

@media (max-width: 1024px) {
  .care-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .work-preview-grid,
  .dashboard-grid,
  .work-grid,
  .resource-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .case-guidance-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 4.2rem 0;
  }

  .nav-wrap {
    align-items: flex-start;
    flex-direction: column;
    padding: 0.95rem 0;
  }

  .site-nav {
    width: 100%;
    gap: 0.8rem 1rem;
  }

  .nav-cta {
    width: 100%;
  }

  .hero {
    min-height: auto;
    padding: 6rem 0 4rem;
  }

  .hero-content {
    grid-template-columns: 1fr;
    text-align: left;
  }

  .hero-visual {
    min-height: 260px;
  }

  .services-grid,
  .care-grid,
  .dashboard-grid,
  .work-preview-grid,
  .work-grid,
  .resource-grid,
  .about-grid,
  .process-grid {
    grid-template-columns: 1fr;
  }

  .process-grid li::before {
    top: 1rem;
  }

  .hero-copy h1 {
    font-size: 2.3rem;
  }
}