:root {
  --navy: #1d3a5c;
  --navy-deep: #122740;
  --navy-accent: #2b5382;
  --silver: #a8adb5;
  --silver-light: #e1e3e6;
  --silver-dark: #6b7078;
  --ink: #1a1a1e;
  --paper: #ffffff;
  --off-white: #f6f7f8;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---------- HERO ---------- */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 70vh;
  padding: 4rem 2rem;
  background:
    radial-gradient(ellipse at center, var(--navy-accent) 0%, var(--navy) 45%, var(--navy-deep) 100%);
  border-bottom: 3px solid var(--silver-light);
  overflow: hidden;
}

/* Subtle datacenter-grid texture overlay */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(168, 173, 181, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(168, 173, 181, 0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at center, transparent 0%, transparent 50%, rgba(18, 39, 64, 0.35) 100%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 900px;
  text-align: center;
}

.hero-logo {
  width: 100%;
  max-width: 780px;
  height: auto;
  display: block;
  margin: 0 auto;
  filter: drop-shadow(0 6px 24px rgba(0, 0, 0, 0.4));
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- SECTIONS ---------- */
section {
  padding: 5rem 0;
}

section h2 {
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  color: var(--navy);
  margin: 0 0 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

.nowrap { white-space: nowrap; }

section p {
  font-size: 1.05rem;
  line-height: 1.7;
  margin: 0 0 1rem;
  max-width: 720px;
}

.intro {
  background: var(--paper);
}

.intro h2,
.services h2 {
  border-left: 4px solid var(--navy);
  padding-left: 1rem;
  margin-bottom: 0.5rem;
}

.intro-subtitle {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--silver-dark);
  font-weight: 500;
  margin: 0 0 1.75rem;
  padding-left: 1rem;
}

@media (max-width: 640px) {
  .intro-subtitle { letter-spacing: 0.1em; font-size: 0.78rem; }
}

/* ---------- SERVICES ---------- */
.services {
  background: linear-gradient(180deg, var(--off-white) 0%, #eceff1 100%);
  border-top: 1px solid var(--silver-light);
  border-bottom: 1px solid var(--silver-light);
}

.service-list {
  list-style: none;
  padding: 0;
  margin: 2rem 0 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.service-list li {
  padding: 1.75rem;
  background: #fff;
  border-radius: 4px;
  border: 1px solid var(--silver-light);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.service-list li:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(29, 58, 92, 0.12);
  border-color: var(--navy-accent);
}

.service-list h3 {
  color: var(--navy-deep);
  margin: 0 0 0.5rem;
  font-size: 1.15rem;
  font-weight: 600;
}

.service-list p {
  font-size: 0.98rem;
  color: var(--ink);
  margin: 0;
}

/* ---------- CONTACT ---------- */
.contact {
  background: linear-gradient(135deg, var(--navy-deep) 0%, var(--navy) 100%);
  color: var(--silver-light);
}

.contact h2 {
  color: var(--silver-light);
  border-left: 4px solid var(--silver-light);
  padding-left: 1rem;
}

.contact p {
  color: var(--silver-light);
  opacity: 0.9;
}

.contact-item {
  display: inline-flex;
  flex-direction: column;
  padding: 1.25rem 1.75rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 4px;
  text-decoration: none;
  color: var(--silver-light);
  transition: background 0.2s ease, border-color 0.2s ease;
  margin-top: 1.5rem;
}

.contact-item:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
}

.contact-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  opacity: 0.7;
  margin-bottom: 0.25rem;
}

.contact-value {
  font-size: 1.05rem;
  font-weight: 500;
  word-break: break-word;
}

/* ---------- FOOTER ---------- */
footer {
  background: var(--navy-deep);
  color: var(--silver);
  padding: 2rem 0;
  font-size: 0.9rem;
}

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

footer p {
  margin: 0;
  max-width: none;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 640px) {
  section { padding: 3rem 0; }
  .hero { min-height: 50vh; padding: 3rem 1.5rem; }
  .service-list { gap: 1.25rem; }
  .service-list li { padding: 1.25rem; }
}