/* =========================================================
   MobulusNet — redesign stylesheet
   Dark tech theme: deep navy/black base, cyan/blue accents
   ========================================================= */

:root {
  --bg: #060a14;
  --bg-alt: #0b1220;
  --bg-elevated: #101a2e;
  --card: #111b30;
  --card-hover: #16223c;
  --border: #1e2c48;
  --border-light: #263455;
  --text: #eaf0fb;
  --text-muted: #9aa9c2;
  --text-dim: #6b7994;
  --accent: #2dd4ff;
  --accent-2: #3b82f6;
  --accent-gradient: linear-gradient(135deg, #2dd4ff 0%, #3b82f6 100%);
  --accent-soft: rgba(45, 212, 255, 0.1);
  --radius: 14px;
  --radius-sm: 8px;
  --shadow-glow: 0 0 0 1px rgba(45, 212, 255, 0.15), 0 8px 30px rgba(45, 212, 255, 0.08);
  --max-width: 1200px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
}

/* subtle background grid + glow, fixed behind all content */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(45, 212, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(45, 212, 255, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 40%, transparent 100%);
}

body::after {
  content: "";
  position: fixed;
  top: -20%;
  right: -10%;
  width: 60vw;
  height: 60vw;
  z-index: -1;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.18), transparent 60%);
  pointer-events: none;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.eyebrow::before {
  content: "";
  width: 20px;
  height: 2px;
  background: var(--accent-gradient);
  border-radius: 2px;
}

h1, h2, h3, h4 { font-weight: 700; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.2rem, 4vw, 3.4rem); line-height: 1.1; }
h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); line-height: 1.2; margin-bottom: 16px; }
h3 { font-size: 1.2rem; margin-bottom: 8px; }

p.lead {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 640px;
}

.section-intro { max-width: 700px; margin-bottom: 48px; }

/* ---------------- Header ---------------- */
header.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(6, 10, 20, 0.78);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
  color: var(--text);
  white-space: nowrap;
}
.logo-img {
  height: 68px;
  width: auto;
  display: block;
}
.logo-mark {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #04121f;
  flex-shrink: 0;
}

nav.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
nav.main-nav a {
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  font-size: 14.5px;
  font-weight: 500;
  color: var(--text-muted);
  transition: color .15s ease, background .15s ease;
}
nav.main-nav a:hover { color: var(--text); background: var(--card); }
nav.main-nav a.active { color: var(--text); background: var(--card); }

.header-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 14.5px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent-gradient);
  color: #04121f;
}
.btn-primary:hover { box-shadow: 0 6px 24px rgba(45, 212, 255, 0.35); transform: translateY(-1px); }
.btn-outline {
  background: transparent;
  border-color: var(--border-light);
  color: var(--text);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  color: var(--text);
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

/* ---------------- Hero ---------------- */
.hero {
  padding: 96px 0 80px;
  text-align: center;
}
.hero .eyebrow { justify-content: center; }
.hero h1 { max-width: 880px; margin: 0 auto 22px; }
.hero p.lead { margin: 0 auto 36px; text-align: center; max-width: 620px; }
.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  max-width: 900px;
  margin: 0 auto;
}
.hero-stat {
  background: var(--bg-alt);
  padding: 26px 16px;
  text-align: center;
}
.hero-stat .num {
  font-size: 1.7rem;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-stat .label {
  font-size: 13px;
  color: var(--text-dim);
  margin-top: 4px;
}

.page-hero {
  padding: 64px 0 48px;
  border-bottom: 1px solid var(--border);
}
.page-hero p.lead { text-align: left; margin: 0; }

/* ---------------- Sections ---------------- */
section { padding: 80px 0; }
section.alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.grid {
  display: grid;
  gap: 24px;
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color .2s ease, transform .2s ease, background .2s ease;
}
.card:hover { border-color: var(--border-light); background: var(--card-hover); transform: translateY(-3px); }

.icon-box {
  width: 46px;
  height: 46px;
  border-radius: 11px;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.icon-box svg { width: 22px; height: 22px; }

.card p { color: var(--text-muted); font-size: 14.5px; }
.card ul { margin-top: 14px; }
.card ul li {
  font-size: 14px;
  color: var(--text-muted);
  padding: 5px 0 5px 18px;
  position: relative;
}
.card ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 13px;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--accent-gradient);
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
}

/* two column feature block (image + text) */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.feature-block.reverse .feature-media { order: 2; }
.feature-media {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 260px;
}
.feature-media img { max-height: 260px; object-fit: contain; filter: drop-shadow(0 20px 40px rgba(0,0,0,.5)); }
.feature-specs {
  margin-top: 18px;
  display: grid;
  gap: 8px;
}
.feature-specs li {
  font-size: 14.5px;
  color: var(--text-muted);
  padding-left: 22px;
  position: relative;
}
.feature-specs li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

.tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid rgba(45,212,255,.25);
  padding: 4px 10px;
  border-radius: 100px;
  margin-bottom: 14px;
}

/* value / mission strip */
.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.value-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  background: var(--bg-alt);
}
.value-item h4 { font-size: 15px; margin-bottom: 6px; }
.value-item p { font-size: 13.5px; color: var(--text-muted); margin: 0; }

/* CTA band */
.cta-band {
  border: 1px solid var(--border);
  background: linear-gradient(135deg, rgba(45,212,255,.08), rgba(59,130,246,.08));
  border-radius: var(--radius);
  padding: 48px;
  text-align: center;
}
.cta-band h2 { margin-bottom: 10px; }
.cta-band p { color: var(--text-muted); margin-bottom: 28px; }

/* ---------------- Contact ---------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
.contact-info-item {
  display: flex;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}
.contact-info-item:last-child { border-bottom: none; }
.contact-info-item .icon-box { margin-bottom: 0; flex-shrink: 0; }
.contact-info-item h4 { font-size: 14px; color: var(--text-dim); text-transform: uppercase; letter-spacing: .04em; margin-bottom: 4px; }
.contact-info-item a, .contact-info-item span { color: var(--text); font-size: 15px; }

.form {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}
.form-row { margin-bottom: 18px; }
.form-row label { display: block; font-size: 13.5px; color: var(--text-muted); margin-bottom: 7px; }
.form-row input, .form-row textarea {
  width: 100%;
  background: var(--bg-alt);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--text);
  font-family: var(--font);
  font-size: 14.5px;
}
.form-row input:focus, .form-row textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(45,212,255,.12);
}
.form-row textarea { resize: vertical; min-height: 120px; }
.form-note { font-size: 12.5px; color: var(--text-dim); margin-top: 10px; }

/* ---------------- Footer ---------------- */
footer.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-alt);
  padding: 56px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-col h4 { font-size: 13px; text-transform: uppercase; letter-spacing: .05em; color: var(--text-dim); margin-bottom: 16px; }
.footer-col p { color: var(--text-muted); font-size: 14px; max-width: 320px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: var(--text-muted); font-size: 14px; }
.footer-col ul li a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--text-dim);
}

/* ---------------- Reveal animation ---------------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.in-view { opacity: 1; transform: translateY(0); }

/* ---------------- Responsive ---------------- */
@media (max-width: 900px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .feature-block, .contact-grid { grid-template-columns: 1fr; }
  .feature-block.reverse .feature-media { order: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .value-grid { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
}

.nav-contact-mobile { display: none; }

@media (max-width: 720px) {
  .header-inner { padding: 12px 16px; gap: 12px; }
  .logo-img { height: 32px; }
  nav.main-nav { display: none; }
  .nav-toggle { display: flex; flex-shrink: 0; }
  .header-cta { gap: 8px; }
  .header-cta .btn-primary { display: none; }
  .container { padding: 0 20px; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  section { padding: 56px 0; }
  .hero { padding: 56px 0 48px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .contact-info-item { flex-wrap: wrap; }

  header.site-header.nav-open nav.main-nav {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    padding: 12px 20px 20px;
    gap: 2px;
    max-height: calc(100vh - 64px);
    overflow-y: auto;
  }
  header.site-header.nav-open nav.main-nav a { padding: 12px 8px; }
  .nav-contact-mobile { display: block; }
}

@media (max-width: 380px) {
  .logo-img { height: 26px; }
}