/* ============================================================
   NV Tech — style.css
   Color palette:
     --navy:   #0d1b2a  (dark background / headings)
     --slate:  #1b2e4b  (nav / footer bg)
     --accent: #2e86de  (links, highlights, CTA)
     --light:  #f4f7fb  (section backgrounds)
     --white:  #ffffff
     --text:   #374151  (body copy)
     --muted:  #6b7280  (secondary text)
   ============================================================ */

/* ---------- Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #374151;
  background: #ffffff;
}

img { max-width: 100%; display: block; }

a {
  color: #2e86de;
  text-decoration: none;
  transition: color 0.2s ease;
}
a:hover { color: #1a5fa8; }

/* ---------- Layout helpers ---------- */
.container {
  max-width: 1060px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

section { padding: 5rem 0; }
section:nth-child(even) { background: #f4f7fb; }

/* ---------- Navigation ---------- */
nav {
  background: #1b2e4b;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.25);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.5rem;
  max-width: 1060px;
  margin: 0 auto;
}

.nav-brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.nav-brand img {
  height: 44px;
  width: auto;
  display: block;
  border-radius: 6px;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 2rem;
}

.nav-links a {
  color: #cbd5e1;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: color 0.2s;
}
.nav-links a:hover { color: #ffffff; }

/* ---------- Hero ---------- */
#hero {
  background: linear-gradient(135deg, #0d1b2a 0%, #1b2e4b 60%, #1e3a5f 100%);
  color: #ffffff;
  padding: 7rem 0 6rem;
  text-align: center;
}

/* Hero logo */
.hero-logo {
  width: 160px;
  height: auto;
  margin: 0 auto 2rem;
  border-radius: 12px;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #7ec8f4;
  margin-bottom: 1.2rem;
}

#hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}

#hero h1 span { color: #2e86de; }

.hero-tagline {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: #94a3b8;
  max-width: 560px;
  margin: 0 auto 2.5rem;
}

.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: background 0.2s, transform 0.15s;
}

.btn-primary {
  background: #2e86de;
  color: #ffffff;
}
.btn-primary:hover {
  background: #1a5fa8;
  color: #ffffff;
  transform: translateY(-1px);
}

/* ---------- Services ---------- */
#services h2,
#coming-soon h2,
#about h2,
#contact h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: #0d1b2a;
  margin-bottom: 0.6rem;
  letter-spacing: -0.01em;
}

.section-subtitle {
  color: #6b7280;
  font-size: 1rem;
  margin-bottom: 3rem;
  max-width: 540px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.75rem;
}

.service-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  padding: 2rem 1.75rem;
  transition: box-shadow 0.2s, transform 0.2s;
}
.service-card:hover {
  box-shadow: 0 8px 24px rgba(13,27,42,0.12);
  transform: translateY(-3px);
}

.service-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
  display: block;
}

.service-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: #0d1b2a;
  margin-bottom: 0.5rem;
}

.service-card p {
  font-size: 0.95rem;
  color: #6b7280;
  line-height: 1.65;
}

/* ---------- Coming Soon ---------- */
#coming-soon {
  text-align: center;
}

.coming-soon-badge {
  display: inline-block;
  background: #eff6ff;
  color: #2e86de;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.3rem 0.85rem;
  border-radius: 99px;
  margin-bottom: 1.2rem;
  border: 1px solid #bfdbfe;
}

#coming-soon .section-subtitle { margin: 0.6rem auto 2.5rem; }

.coming-items {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  text-align: left;
}

.coming-item {
  background: #ffffff;
  border-left: 4px solid #2e86de;
  border-radius: 6px;
  padding: 1.4rem 1.5rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.coming-item h3 {
  font-size: 1rem;
  font-weight: 700;
  color: #0d1b2a;
  margin-bottom: 0.4rem;
}

.coming-item p {
  font-size: 0.9rem;
  color: #6b7280;
}

/* ---------- About ---------- */
#about {
  background: #0d1b2a;
  color: #cbd5e1;
}

#about h2 { color: #ffffff; }
#about .section-subtitle { color: #94a3b8; }

.about-body {
  max-width: 720px;
}

.about-body p {
  margin-bottom: 1rem;
  font-size: 0.97rem;
  line-height: 1.75;
}

.legal-name {
  display: inline-block;
  background: rgba(46,134,222,0.15);
  color: #7ec8f4;
  font-family: monospace;
  font-size: 0.9rem;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  letter-spacing: 0.04em;
}

/* ---------- Contact ---------- */
#contact { text-align: center; }

.contact-card {
  display: inline-block;
  background: #f4f7fb;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  padding: 2.5rem 3rem;
  margin-top: 0.5rem;
}

.contact-logo {
  width: 120px;
  height: auto;
  margin: 0 auto 1.5rem;
  border-radius: 8px;
}

.contact-card p {
  color: #6b7280;
  margin-bottom: 1.25rem;
  font-size: 0.97rem;
}

.contact-email {
  font-size: 1.2rem;
  font-weight: 700;
  color: #2e86de;
  display: block;
  margin-bottom: 1.5rem;
}
.contact-email:hover { color: #1a5fa8; }

/* ---------- Footer ---------- */
footer {
  background: #1b2e4b;
  color: #94a3b8;
  text-align: center;
  padding: 2.5rem 1.5rem 2rem;
  font-size: 0.85rem;
}

.footer-logo {
  width: 80px;
  height: auto;
  margin: 0 auto 1rem;
  border-radius: 8px;
  opacity: 0.85;
}
.footer-logo:hover { opacity: 1; }

footer strong { color: #cbd5e1; }

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  section { padding: 3.5rem 0; }
  #hero { padding: 5rem 0 4rem; }

  .nav-links { display: none; }   /* simple hide on mobile — no JS burger needed */

  .contact-card { padding: 2rem 1.5rem; width: 100%; }
}