:root {
  --ink: #101828;
  --muted: #667085;
  --line: #e4e7ec;
  --soft: #f5f8fb;
  --brand: #0f6b5f;
  --brand-2: #1b77d2;
  --accent: #f7b731;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  color: var(--ink);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

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

.topbar {
  background: #0b1724;
  color: #dbe7f3;
}

.topbar a {
  color: #dbe7f3;
}

.navbar {
  min-height: 76px;
}

.brand-mark {
  align-items: center;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  border-radius: 8px;
  color: #fff;
  display: inline-flex;
  font-size: 0.9rem;
  height: 38px;
  justify-content: center;
  letter-spacing: 0;
  width: 38px;
}

.nav-link {
  color: #344054;
  font-weight: 600;
}

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

.dropdown-menu {
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 18px 40px rgba(16, 24, 40, 0.12);
  max-height: min(70vh, 560px);
  overflow-y: auto;
}

.dropdown-item {
  font-size: 0.94rem;
  padding: 0.62rem 1rem;
}

.btn {
  border-radius: 8px;
  font-weight: 700;
}

.btn-primary {
  --bs-btn-bg: var(--brand);
  --bs-btn-border-color: var(--brand);
  --bs-btn-hover-bg: #0b594f;
  --bs-btn-hover-border-color: #0b594f;
}

.section-pad {
  padding: clamp(4rem, 7vw, 7rem) 0;
  scroll-margin-top: 96px;
}

.section-muted {
  background: var(--soft);
}

.hero {
  background:
    linear-gradient(110deg, rgba(11, 23, 36, 0.92), rgba(15, 107, 95, 0.78)),
    url("https://images.unsplash.com/photo-1558494949-ef010cbdcc31?auto=format&fit=crop&w=1800&q=80") center/cover;
  color: #fff;
  min-height: calc(100vh - 116px);
  display: flex;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 5.25rem);
  font-weight: 800;
  letter-spacing: 0;
  line-height: 1.02;
  max-width: 930px;
}

.hero .lead {
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  max-width: 760px;
}

.eyebrow {
  color: var(--brand);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  margin-bottom: 0.8rem;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #8be2d5;
}

h2 {
  font-size: clamp(2rem, 3.3vw, 3.4rem);
  font-weight: 800;
  letter-spacing: 0;
  line-height: 1.1;
}

h3 {
  font-size: 1.12rem;
  font-weight: 800;
  letter-spacing: 0;
}

h4 {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0;
}

p {
  color: var(--muted);
}

.hero p,
.csr p,
.footer p {
  color: rgba(255, 255, 255, 0.78);
}

.hero-panel {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 8px;
  overflow: hidden;
}

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

.metric-strip span {
  background: rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.74);
  display: grid;
  font-size: 0.78rem;
  min-height: 110px;
  padding: 1rem;
}

.metric-strip strong {
  color: #fff;
  display: block;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1;
}

.network-visual {
  aspect-ratio: 1.18;
  position: relative;
}

.network-visual::before,
.network-visual::after {
  border: 1px solid rgba(255, 255, 255, 0.2);
  content: "";
  inset: 12%;
  position: absolute;
  transform: rotate(28deg);
}

.network-visual::after {
  inset: 26%;
  transform: rotate(-18deg);
}

.network-visual span {
  background: #fff;
  border: 8px solid rgba(139, 226, 213, 0.38);
  border-radius: 50%;
  height: 34px;
  position: absolute;
  width: 34px;
}

.network-visual span:nth-child(1) { left: 18%; top: 18%; }
.network-visual span:nth-child(2) { right: 16%; top: 28%; }
.network-visual span:nth-child(3) { left: 35%; top: 48%; }
.network-visual span:nth-child(4) { right: 24%; bottom: 16%; }
.network-visual span:nth-child(5) { left: 16%; bottom: 22%; }

.feature-block,
.reason,
.testimonial,
.news-card,
.contact-form,
.csr-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: clamp(1.25rem, 2vw, 2rem);
}

.feature-block i {
  color: var(--brand-2);
  font-size: 2rem;
}

.service-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: block;
  height: 100%;
  min-height: 250px;
  padding: 1.5rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.service-card:hover {
  border-color: rgba(15, 107, 95, 0.28);
  box-shadow: 0 20px 42px rgba(16, 24, 40, 0.1);
  transform: translateY(-4px);
}

.service-card i {
  align-items: center;
  background: #e8f6f3;
  border-radius: 8px;
  color: var(--brand);
  display: inline-flex;
  font-size: 1.55rem;
  height: 52px;
  justify-content: center;
  margin-bottom: 1.25rem;
  width: 52px;
}

.service-card p,
.reason p,
.news-card p,
.testimonial p,
.csr-item p {
  margin-bottom: 0;
}

.reason span {
  color: var(--brand);
  display: block;
  font-weight: 800;
  margin-bottom: 0.4rem;
}

.skill-pill {
  align-items: flex-start;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 0.25rem;
  grid-template-columns: auto 1fr;
  height: 100%;
  padding: 1rem;
}

.skill-pill i {
  color: var(--accent);
  font-size: 1.45rem;
  grid-row: span 2;
  line-height: 1.2;
}

.skill-pill span {
  font-weight: 800;
}

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

.project-card {
  background: linear-gradient(135deg, #0b1724, #154b63);
  border-radius: 8px;
  color: #fff;
  min-height: 230px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.project-card span {
  color: #8be2d5;
  font-size: 0.75rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}

.csr,
.footer {
  background: #0b1724;
  color: #fff;
}

.csr h2 {
  color: #fff;
}

.csr-item {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.16);
}

.accordion-item {
  border-color: var(--line);
}

.accordion-button {
  font-weight: 800;
}

.accordion-button:not(.collapsed) {
  background: #e8f6f3;
  color: var(--brand);
}

.accordion-body h4 {
  margin-top: 1.4rem;
}

.testimonial {
  height: 100%;
}

.testimonial footer {
  color: var(--ink);
  font-weight: 800;
  margin-top: 1rem;
}

.testimonial footer span {
  color: var(--muted);
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
}

.news-card {
  height: 100%;
}

.news-card time {
  color: var(--brand);
  display: block;
  font-size: 0.85rem;
  font-weight: 800;
  margin-bottom: 0.7rem;
}

.contact-section {
  background:
    linear-gradient(90deg, rgba(245, 248, 251, 0.98), rgba(245, 248, 251, 0.88)),
    url("https://images.unsplash.com/photo-1519389950473-47ba0277781c?auto=format&fit=crop&w=1800&q=80") center/cover;
}

.contact-line {
  align-items: center;
  display: flex;
  font-weight: 800;
  gap: 0.75rem;
  margin-top: 1rem;
}

.contact-line i {
  color: var(--brand);
  font-size: 1.3rem;
}

.form-control,
.form-select {
  border-color: #d0d5dd;
  border-radius: 8px;
}

.footer h3 {
  color: #fff;
  font-size: 0.9rem;
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.footer a {
  color: rgba(255, 255, 255, 0.76);
  display: block;
  margin-bottom: 0.5rem;
}

.footer a:hover {
  color: #fff;
}

@media (max-width: 991.98px) {
  .hero {
    min-height: auto;
  }

  .navbar-collapse {
    padding: 1rem 0;
  }
}

@media (max-width: 575.98px) {
  .metric-strip {
    grid-template-columns: 1fr;
  }

  .metric-strip span {
    min-height: 88px;
  }

  .hero h1 {
    font-size: 2.45rem;
  }
}