:root {
  --color-ink: #17212b;
  --color-muted: #5b6875;
  --color-line: #dde4ea;
  --color-surface: #ffffff;
  --color-soft: #f5f7fa;
  --color-primary: #0f766e;
  --color-primary-dark: #0b4f49;
  --color-accent: #d97706;
  --shadow: 0 18px 55px rgba(23, 33, 43, 0.12);
  --radius: 8px;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--color-ink);
  background: var(--color-surface);
  line-height: 1.6;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 0 6vw;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--color-line);
  backdrop-filter: blur(14px);
}

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

.brand-mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  color: #fff;
  background: var(--color-primary);
  border-radius: var(--radius);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.site-nav a {
  padding: 10px 12px;
  border-radius: var(--radius);
  color: var(--color-muted);
  font-weight: 650;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--color-primary-dark);
  background: #e7f4f2;
}

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

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--color-ink);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 48px;
  align-items: center;
  min-height: calc(100vh - 72px);
  padding: 72px 6vw 88px;
  background:
    linear-gradient(115deg, rgba(15, 118, 110, 0.08), rgba(217, 119, 6, 0.08)),
    var(--color-soft);
}

.hero h1,
.page-hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(2.4rem, 6vw, 4.8rem);
  line-height: 1.04;
  letter-spacing: 0;
}

.hero-copy,
.page-hero p {
  max-width: 680px;
  margin: 24px 0 0;
  color: var(--color-muted);
  font-size: 1.14rem;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--color-accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 750;
  cursor: pointer;
}

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

.button-primary:hover {
  background: var(--color-primary-dark);
}

.button-secondary {
  color: var(--color-primary-dark);
  background: #fff;
  border-color: var(--color-line);
}

.hero-panel {
  display: grid;
  place-items: center;
}

.screen {
  width: min(100%, 520px);
  padding: 24px;
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.screen-top {
  width: 100%;
  height: 42px;
  margin-bottom: 24px;
  border-radius: var(--radius);
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.metric-row,
.status-grid {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.metric-row span,
.status-grid span {
  color: var(--color-muted);
}

.metric-row strong {
  font-size: 1.6rem;
}

.bars {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  align-items: end;
  gap: 12px;
  height: 160px;
  margin: 26px 0;
}

.bars span {
  display: block;
  min-height: 24px;
  border-radius: 6px 6px 0 0;
  background: #8bbfbb;
}

.section {
  padding: 76px 6vw;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.section h2 {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.14;
  letter-spacing: 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.feature-card,
.solution-list article,
.contact-info {
  padding: 24px;
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
}

.feature-card h3,
.solution-list h2,
.contact-info h2 {
  margin-top: 0;
}

.feature-card p,
.solution-list p,
.contact-info p {
  color: var(--color-muted);
}

.page-main {
  background: var(--color-soft);
}

.page-hero {
  padding: 82px 6vw 48px;
}

.solution-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.split-section,
.contact-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: 24px;
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
}

.contact-form label {
  display: grid;
  gap: 7px;
  color: var(--color-muted);
  font-weight: 700;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 12px 14px;
  color: var(--color-ink);
  font: inherit;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 26px 6vw;
  color: var(--color-muted);
  border-top: 1px solid var(--color-line);
}

.site-footer a {
  color: var(--color-primary-dark);
  font-weight: 750;
}

@media (max-width: 860px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 72px;
    right: 6vw;
    left: 6vw;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    background: #fff;
    border: 1px solid var(--color-line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
  }

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

  .hero,
  .feature-grid,
  .solution-list,
  .split-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 52px;
  }

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