:root {
  color-scheme: light;
  --bg: #f6f8f8;
  --surface: #ffffff;
  --text: #1d272b;
  --muted: #5f7077;
  --line: #d9e2e4;
  --teal: #0f766e;
  --teal-dark: #115e59;
  --blue: #3730a3;
  --blue-soft: #eef2ff;
  --sand: #f4efe7;
  --shadow: 0 18px 50px rgba(29, 39, 43, 0.08);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
}

a {
  color: var(--teal-dark);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px clamp(16px, 4vw, 42px);
  background: rgba(246, 248, 248, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
}

.brand-logo {
  width: 46px;
  height: 46px;
  object-fit: contain;
  border-radius: 0;
  background: transparent;
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  color: var(--muted);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.site-nav a {
  padding: 8px 10px;
  color: var(--muted);
  text-decoration: none;
  border-radius: 6px;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
  background: #e9eeee;
}

.nav-toggle {
  display: none;
}

.hero,
.cover-banner,
.section,
.strip,
.site-footer {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.cover-banner {
  padding-top: 24px;
}

.cover-banner img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.9fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
  padding: clamp(46px, 8vw, 90px) 0 36px;
}

.eyebrow,
.tag {
  margin: 0 0 10px;
  color: var(--teal-dark);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 18px;
  font-size: clamp(2.35rem, 7vw, 4.9rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
}

h2 {
  margin-bottom: 12px;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1.08;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.12rem;
  line-height: 1.25;
}

.lede {
  max-width: 650px;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.28rem);
}

.button-row,
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border-radius: 7px;
  font-weight: 800;
  text-decoration: none;
}

.button.primary {
  color: #fff;
  background: var(--teal);
}

.button.primary:hover,
.button.primary:focus-visible {
  background: var(--teal-dark);
}

.button.secondary {
  color: var(--blue);
  background: var(--blue-soft);
  border: 1px solid #c7d2fe;
}

.hero-visual {
  position: relative;
  min-height: 390px;
  padding: 28px;
  background:
    radial-gradient(circle at 80% 20%, rgba(55, 48, 163, 0.16), transparent 28%),
    radial-gradient(circle at 20% 80%, rgba(15, 118, 110, 0.16), transparent 30%),
    #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.workflow-card {
  position: absolute;
  width: min(260px, 70%);
  padding: 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 30px rgba(29, 39, 43, 0.09);
}

.workflow-card span {
  display: block;
  color: var(--muted);
  font-size: 0.86rem;
}

.workflow-card strong {
  display: block;
  margin-top: 4px;
}

.card-one {
  top: 38px;
  left: 28px;
}

.card-two {
  top: 152px;
  right: 24px;
}

.card-three {
  bottom: 42px;
  left: 58px;
}

.signal-line {
  position: absolute;
  inset: 72px 70px;
  border: 2px dashed rgba(15, 118, 110, 0.28);
  border-radius: 50%;
  transform: rotate(-14deg);
}

.strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: 18px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.strip div {
  padding: 18px;
  background: #fff;
}

.strip strong,
.strip span {
  display: block;
}

.strip span {
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.94rem;
}

.section {
  padding: clamp(54px, 8vw, 86px) 0 0;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 26px;
}

.section-heading p:not(.eyebrow) {
  color: var(--muted);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.service-card,
.feature-tool,
.about-card,
.contact-card,
.tool-list > div {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 8px 26px rgba(29, 39, 43, 0.04);
}

.service-card {
  padding: 20px;
}

.service-card p,
.feature-tool p,
.about-card p,
.contact-section p,
.tool-list span {
  color: var(--muted);
}

.icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 18px;
  color: var(--blue);
  background: var(--blue-soft);
  border-radius: 8px;
  font-weight: 900;
}

.tools-section {
  padding-top: clamp(50px, 8vw, 76px);
}

.feature-tool {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 24px;
  background: linear-gradient(135deg, #ffffff, #eef8f7);
}

.feature-tool p {
  max-width: 640px;
  margin-bottom: 0;
}

.tool-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 16px;
}

.tool-list > div {
  padding: 18px;
}

.tool-list strong,
.tool-list span {
  display: block;
}

.tool-list span {
  margin-top: 4px;
}

.about-card {
  display: grid;
  grid-template-columns: minmax(190px, 260px) minmax(0, 1fr);
  gap: clamp(20px, 5vw, 36px);
  align-items: center;
  max-width: 920px;
  padding: clamp(24px, 5vw, 42px);
  background: var(--sand);
}

.about-image-wrap {
  display: flex;
  align-items: end;
  justify-content: center;
  overflow: visible;
  align-self: stretch;
  min-height: 320px;
  background: transparent;
  border-radius: 8px;
}

.about-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center bottom;
  display: block;
}

.about-card ul {
  margin: 22px 0 0;
  padding-left: 20px;
}

.about-card li + li {
  margin-top: 8px;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 420px);
  gap: 24px;
  align-items: start;
  padding-bottom: clamp(54px, 8vw, 90px);
}

.contact-card {
  padding: 22px;
}

.contact-card p {
  margin-bottom: 12px;
}

.contact-card .button {
  width: 100%;
  margin-top: 10px;
}

.site-footer {
  padding: 26px 0 34px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.site-footer p {
  margin-bottom: 5px;
}

.copyright {
  font-size: 0.9rem;
}

@media (max-width: 920px) {
  .hero,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 320px;
  }

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

@media (max-width: 680px) {
  .site-header {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .nav-toggle {
    display: inline-flex;
    min-height: 40px;
    padding: 8px 12px;
    color: var(--text);
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 7px;
    font: inherit;
    font-weight: 800;
  }

  .site-nav {
    display: none;
    width: 100%;
    padding-top: 8px;
  }

  .site-nav.is-open {
    display: grid;
  }

  .site-nav a {
    padding: 10px 0;
  }

  .hero {
    padding-top: 34px;
  }

  .hero-visual {
    min-height: 280px;
    padding: 16px;
  }

  .workflow-card {
    position: relative;
    inset: auto;
    width: 100%;
    margin-bottom: 12px;
  }

  .signal-line {
    display: none;
  }

  .strip,
  .card-grid,
  .tool-list {
    grid-template-columns: 1fr;
  }

  .feature-tool {
    display: grid;
  }

  .about-card {
    grid-template-columns: 1fr;
  }

  .about-image-wrap {
    min-height: 360px;
  }

  .button-row,
  .button {
    width: 100%;
  }
}
