:root {
  --color-black: #050605;
  --color-ink: #090d0b;
  --color-graphite: #111612;
  --color-panel: #151a15;
  --color-panel-soft: #1b211b;
  --color-grey: #9a9e96;
  --color-muted: #686e66;
  --color-line: rgba(170, 181, 139, 0.22);
  --color-white: #f4f5f1;
  --color-olive: #50533c;
  --color-olive-light: #9cad70;
  --shadow-deep: 0 30px 90px rgba(0, 0, 0, 0.45);
}

html {
  overflow-x: hidden;
  scroll-behavior: smooth;
}

body {
  background: var(--color-black);
  color: var(--color-white);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.65;
  overflow-x: hidden;
}

a {
  color: inherit;
}

.site-header {
  background: linear-gradient(180deg, rgba(5, 6, 5, 0.72), rgba(5, 6, 5, 0.04));
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(10px);
}

.navbar {
  min-height: 82px;
}

.text-logo {
  color: rgba(244, 245, 241, 0.82);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: 0.04rem;
  line-height: 1;
  text-transform: uppercase;
}

.navbar-dark .navbar-nav .nav-link {
  color: rgba(244, 245, 241, 0.76);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.16rem;
  padding-inline: 1.35rem;
  text-transform: uppercase;
}

.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link:focus {
  color: var(--color-white);
}

.hero-section {
  background-image:
    linear-gradient(90deg, rgba(5, 6, 5, 0.78) 0%, rgba(5, 6, 5, 0.46) 38%, rgba(5, 6, 5, 0.16) 72%),
    linear-gradient(0deg, rgba(5, 6, 5, 0.98) 0%, rgba(5, 6, 5, 0.18) 26%, rgba(5, 6, 5, 0.32) 100%),
    url("../img/hero-infrastructure.png");
  background-position: center;
  background-size: cover;
  min-height: 760px;
  position: relative;
}

.hero-overlay {
  background:
    radial-gradient(circle at 60% 34%, rgba(156, 173, 112, 0.16), transparent 18rem),
    linear-gradient(180deg, transparent 72%, rgba(5, 6, 5, 0.96) 100%);
  inset: 0;
  pointer-events: none;
  position: absolute;
}

.hero-container {
  position: relative;
  z-index: 1;
}

.min-vh-hero {
  min-height: 760px;
  padding-block: 8rem 5rem;
}

.section-kicker {
  color: var(--color-olive-light);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14rem;
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.hero-title {
  color: rgba(244, 245, 241, 0.94);
  font-size: clamp(2.7rem, 5.2vw, 5rem);
  font-weight: 400;
  letter-spacing: 0.08rem;
  line-height: 1.16;
  max-width: 680px;
  overflow-wrap: break-word;
  text-transform: uppercase;
}

.title-rule {
  background: var(--color-olive-light);
  height: 2px;
  margin-block: 1.35rem 1.05rem;
  width: 58px;
}

.hero-copy {
  color: rgba(244, 245, 241, 0.78);
  font-size: 1rem;
  max-width: 560px;
}

.btn {
  border-radius: 0;
  font-weight: 700;
  letter-spacing: 0.1rem;
  padding: 0.85rem 1.35rem;
  text-transform: uppercase;
}

.btn-ghost {
  --bs-btn-bg: transparent;
  --bs-btn-border-color: rgba(156, 173, 112, 0.58);
  --bs-btn-color: var(--color-white);
  --bs-btn-hover-bg: rgba(156, 173, 112, 0.13);
  --bs-btn-hover-border-color: rgba(156, 173, 112, 0.9);
  --bs-btn-hover-color: var(--color-white);
  --bs-btn-active-bg: rgba(156, 173, 112, 0.18);
  --bs-btn-active-border-color: rgba(156, 173, 112, 1);
  font-size: 0.76rem;
  margin-top: 1.7rem;
}

.btn-ghost span {
  display: inline-block;
  margin-left: 1rem;
}

.solutions-section,
.content-section,
.contact-section {
  background:
    linear-gradient(rgba(5, 6, 5, 0.94), rgba(5, 6, 5, 0.98)),
    repeating-linear-gradient(90deg, rgba(156, 173, 112, 0.06) 0 1px, transparent 1px 88px),
    repeating-linear-gradient(0deg, rgba(156, 173, 112, 0.04) 0 1px, transparent 1px 92px);
  padding-block: 6.5rem;
}

.solutions-section {
  border-top: 1px solid rgba(156, 173, 112, 0.14);
  margin-top: -1px;
  position: relative;
}

.solutions-section::before {
  background:
    linear-gradient(90deg, transparent, rgba(156, 173, 112, 0.16), transparent),
    linear-gradient(0deg, rgba(156, 173, 112, 0.04), transparent);
  content: "";
  inset: 0;
  pointer-events: none;
  position: absolute;
}

.solutions-section > .container,
.content-section > .container,
.contact-section > .container {
  position: relative;
  z-index: 1;
}

.section-muted {
  background: #0c100d;
  border-block: 1px solid rgba(156, 173, 112, 0.14);
}

.section-title {
  color: rgba(244, 245, 241, 0.94);
  font-size: clamp(1.95rem, 3.6vw, 3.15rem);
  font-weight: 400;
  letter-spacing: 0.04rem;
  line-height: 1.16;
  margin-bottom: 0;
}

.section-intro {
  color: var(--color-grey);
  font-size: 1rem;
  margin-top: 0.5rem;
}

.solution-tile,
.service-card,
.partner-box,
.contact-card {
  background: linear-gradient(180deg, rgba(21, 26, 21, 0.76), rgba(10, 14, 11, 0.9));
  border: 1px solid rgba(156, 173, 112, 0.18);
  box-shadow: var(--shadow-deep);
}

.solution-tile {
  min-height: 260px;
  padding: 1.8rem;
}

.tile-icon {
  align-items: center;
  border: 1px solid rgba(156, 173, 112, 0.58);
  color: var(--color-olive-light);
  display: inline-flex;
  font-size: 0.84rem;
  font-weight: 700;
  height: 48px;
  justify-content: center;
  margin-bottom: 2rem;
  width: 48px;
}

.solution-tile h3,
.service-card h3 {
  color: rgba(244, 245, 241, 0.94);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.08rem;
  line-height: 1.45;
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.solution-tile p,
.service-card p,
.about-copy p,
.contact-copy {
  color: var(--color-grey);
}

.stats-row {
  border-top: 1px solid rgba(156, 173, 112, 0.18);
  display: grid;
  gap: 0;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 4rem;
  padding-top: 1.8rem;
}

.stat-item {
  border-right: 1px solid rgba(156, 173, 112, 0.14);
  display: grid;
  gap: 0.8rem;
  grid-template-columns: auto 1fr;
  padding: 0 2rem;
}

.stat-item:first-child {
  padding-left: 0;
}

.stat-item:last-child {
  border-right: 0;
  padding-right: 0;
}

.stat-item strong {
  color: var(--color-olive-light);
  font-size: clamp(2rem, 3vw, 2.65rem);
  font-weight: 400;
  line-height: 1;
}

.stat-item span {
  color: var(--color-grey);
  font-size: 0.78rem;
  letter-spacing: 0.06rem;
  line-height: 1.5;
  text-transform: uppercase;
}

.service-card {
  border-radius: 0;
  height: 100%;
  padding: 2rem;
}

.service-card-primary {
  background:
    linear-gradient(135deg, rgba(80, 83, 60, 0.28), transparent 42%),
    linear-gradient(180deg, rgba(21, 26, 21, 0.88), rgba(8, 12, 9, 0.96));
  border-color: rgba(156, 173, 112, 0.32);
}

.card-index {
  color: var(--color-olive-light);
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12rem;
  margin-bottom: 1.4rem;
  text-transform: uppercase;
}

.service-card-primary h3 {
  font-size: clamp(1.5rem, 2.4vw, 2.15rem);
  letter-spacing: 0.04rem;
  line-height: 1.14;
  max-width: 720px;
}

.service-lead {
  border-left: 2px solid var(--color-olive-light);
  color: rgba(244, 245, 241, 0.9);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.55;
  margin-block: 2rem 1rem;
  padding-left: 1.25rem;
}

.service-tag {
  align-self: flex-start;
  border: 1px solid rgba(156, 173, 112, 0.34);
  color: var(--color-olive-light);
  display: inline-flex;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1rem;
  padding: 0.42rem 0.7rem;
  text-transform: uppercase;
  white-space: nowrap;
}

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

.use-case-block {
  background: rgba(5, 6, 5, 0.34);
  border: 1px solid rgba(156, 173, 112, 0.16);
  padding: 1.15rem;
}

.use-case-block h4 {
  color: rgba(244, 245, 241, 0.9);
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.05rem;
  line-height: 1.35;
  margin-bottom: 0.85rem;
  text-transform: uppercase;
}

.use-case-block ul {
  color: var(--color-grey);
  font-size: 0.9rem;
  margin: 0;
  padding-left: 1rem;
}

.use-case-block li + li {
  margin-top: 0.35rem;
}

.compact-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.compact-list span {
  border: 1px solid rgba(156, 173, 112, 0.16);
  color: var(--color-grey);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04rem;
  padding: 0.4rem 0.62rem;
  text-transform: uppercase;
}

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

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

.partner-box {
  color: var(--color-grey);
  font-size: 0.78rem;
  font-weight: 700;
  min-height: 118px;
  padding: 1.6rem;
}

.reference-intro {
  border-left: 2px solid rgba(156, 173, 112, 0.7);
  padding-left: 1.5rem;
}

.reference-intro p {
  color: var(--color-grey);
  font-size: 1rem;
  margin-bottom: 1rem;
}

.reference-intro p:last-child {
  margin-bottom: 0;
}

.reference-group + .reference-group {
  margin-top: 4rem;
}

.reference-heading {
  align-items: center;
  display: flex;
  gap: 1rem;
  margin-bottom: 1.2rem;
}

.reference-heading::after {
  background: rgba(156, 173, 112, 0.18);
  content: "";
  flex: 1;
  height: 1px;
}

.reference-heading span {
  color: var(--color-olive-light);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.14rem;
  text-transform: uppercase;
}

.reference-card {
  display: block;
  min-height: 100%;
}

.reference-card h3 {
  color: rgba(244, 245, 241, 0.94);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.06rem;
  line-height: 1.35;
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.reference-card p {
  color: var(--color-grey);
  font-size: 0.92rem;
  font-weight: 400;
  letter-spacing: 0;
  line-height: 1.65;
  margin: 0;
  text-transform: none;
}

.about-copy {
  border-left: 2px solid var(--color-olive-light);
  padding-left: 2rem;
}

.about-copy p {
  font-size: 1.08rem;
  margin-bottom: 1.25rem;
}

.about-copy p:last-child {
  margin-bottom: 0;
}

.contact-section {
  border-top: 1px solid rgba(156, 173, 112, 0.14);
}

.contact-card {
  border-left: 2px solid rgba(156, 173, 112, 0.7);
  padding: 2rem;
}

.contact-label {
  color: var(--color-olive-light);
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1rem;
  margin-bottom: 1.35rem;
  text-transform: uppercase;
}

.company-address {
  color: rgba(244, 245, 241, 0.78);
  font-size: 1rem;
  font-style: normal;
  line-height: 1.8;
}

.company-address strong {
  color: var(--color-white);
  display: block;
  font-size: 1.18rem;
  letter-spacing: 0.08rem;
  margin-bottom: 0.65rem;
}

.operating-model {
  border-top: 1px solid rgba(156, 173, 112, 0.16);
  margin-top: 4.5rem;
  padding-top: 2rem;
}

.model-grid {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.model-grid span {
  background: rgba(5, 6, 5, 0.3);
  border: 1px solid rgba(156, 173, 112, 0.16);
  color: var(--color-grey);
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06rem;
  padding: 0.85rem 1rem;
  text-transform: uppercase;
}

.site-footer {
  background: #030403;
  border-top: 1px solid rgba(156, 173, 112, 0.14);
  color: rgba(244, 245, 241, 0.58);
  font-size: 0.86rem;
  padding-block: 1.5rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-links a {
  color: rgba(244, 245, 241, 0.58);
  text-decoration: none;
}

.footer-links a:hover,
.footer-links a:focus {
  color: var(--color-white);
}

@media (max-width: 991.98px) {
  .site-header {
    background: rgba(5, 6, 5, 0.92);
  }

  .navbar-dark .navbar-nav .nav-link {
    padding: 0.72rem 0;
  }

  .hero-section,
  .min-vh-hero {
    min-height: 680px;
  }

  .min-vh-hero {
    padding-block: 8rem 4rem;
  }

  .solutions-section,
  .content-section,
  .contact-section {
    padding-block: 5rem;
  }

  .stats-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    row-gap: 1.5rem;
  }

  .stat-item {
    border-right: 0;
    padding: 0 1rem 0 0;
  }

  .use-case-grid,
  .partner-grid,
  .relationship-grid,
  .model-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 575.98px) {
  .text-logo {
    font-size: 1.25rem;
  }

  .hero-title {
    font-size: 2.35rem;
    letter-spacing: 0.05rem;
  }

  .btn-lg {
    width: 100%;
  }

  .solution-tile,
  .service-card,
  .contact-card {
    padding: 1.35rem;
  }

  .stats-row,
  .use-case-grid,
  .partner-grid,
  .relationship-grid,
  .model-grid {
    grid-template-columns: 1fr;
  }

  .stat-item {
    border-bottom: 1px solid rgba(156, 173, 112, 0.14);
    padding: 0 0 1.2rem;
  }

  .stat-item:last-child {
    border-bottom: 0;
    padding-bottom: 0;
  }

  .about-copy {
    padding-left: 1.25rem;
  }

  .service-tag {
    white-space: normal;
  }
}