/* CSS RESET & VARS */
:root {
  --bg-slate: #0b1117;
  --surface-card: #151d28;
  --surface-border: #233143;
  --accent-cyan: #00e5ff;
  --accent-emerald: #10b981;
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dark: #0f172a;
  --font-stack: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  background-color: var(--bg-slate);
  color: var(--text-main);
  font-family: var(--font-stack);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* TYPOGRAPHY */
h1, h2, h3 { font-weight: 700; letter-spacing: -0.02em; line-height: 1.2; }
h1 { font-size: clamp(2.5rem, 5vw, 4.2rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); margin-bottom: 1rem; }
h3 { font-size: 1.3rem; margin-bottom: 0.5rem; color: var(--accent-cyan); }
p { color: var(--text-muted); margin-bottom: 1rem; }

.mono-tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-cyan);
  background: rgba(0,229,255,0.08);
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  border: 1px solid rgba(0,229,255,0.2);
  display: inline-block;
  margin-bottom: 1rem;
}

/* LAYOUT & UTILS */
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.container-narrow { max-width: 800px; }
section { padding: 5rem 0; border-bottom: 1px solid var(--surface-border); }
.section-alt { background: rgba(21, 29, 40, 0.3); }
.section-contact { background: radial-gradient(circle at bottom left, rgba(0,229,255,0.08), transparent 50%); }

.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; }
.align-center { align-items: center; }
.text-center { text-align: center; }
.mb-2 { margin-bottom: 2rem; }

/* COMPONENTS */
header {
  background: rgba(11, 17, 23, 0.9);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--surface-border);
  padding: 1rem 0;
}
.nav-wrapper { display: flex; justify-content: space-between; align-items: center; }
.nav-actions { display: flex; gap: 1rem; align-items: center; }
.logo { font-weight: 800; font-size: 1.1rem; color: var(--text-main); text-decoration: none; display: flex; align-items: center; gap: 0.5rem; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent-cyan);
  color: var(--text-dark);
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
  border: none;
  cursor: pointer;
}
.btn:hover { background: #33ebff; transform: translateY(-1px); }
.btn-outline {
  background: transparent;
  border: 1px solid var(--surface-border);
  color: var(--text-main);
}
.btn-outline:hover { background: var(--surface-card); border-color: var(--text-muted); }
.btn-full { width: 100%; justify-content: center; margin-top: 1rem; }

/* HERO */
.hero { padding: 6rem 0 4rem 0; background: radial-gradient(circle at top right, rgba(0,229,255,0.05), transparent 40%); }
.hero-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 3rem; align-items: center; }
.hero-desc { font-size: 1.15rem; margin-top: 1rem; }
.cta-group { margin-top: 2rem; display: flex; gap: 1rem; flex-wrap: wrap; }

.hero-card {
  background: var(--surface-card);
  border: 1px solid var(--surface-border);
  border-radius: 12px;
  padding: 2rem;
  position: relative;
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}
.hero-card-header {
  border-bottom: 1px solid var(--surface-border);
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.hq-address { font-weight: 600; }
.card-desc { font-size: 0.9rem; }

/* SPECS & CARDS */
.spec-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 1.5rem; }
.spec-item { background: rgba(255,255,255,0.02); padding: 1rem; border-radius: 6px; border: 1px solid var(--surface-border); }
.spec-label { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; font-family: var(--font-mono); }
.spec-val { font-size: 1.1rem; font-weight: 600; color: var(--text-main); margin-top: 0.25rem; }

.card {
  background: var(--surface-card);
  border: 1px solid var(--surface-border);
  border-radius: 8px;
  padding: 1.75rem;
  transition: border-color 0.2s ease;
}
.card:hover { border-color: rgba(0,229,255,0.4); }
.card-dark { background: var(--surface-card); }

.diagnostic-grid { margin-top: 2.5rem; }
.sub-label { margin-top: 1rem; }
.solution-text { color: var(--text-main); font-weight: 500; margin: 0; }

.tech-grid { margin-top: 2rem; }
.feature-list { color: var(--text-muted); padding-left: 1.2rem; margin-top: 1rem; font-size: 0.95rem; }

.coverage-title { color: var(--text-main); font-size: 1.1rem; border-bottom: 1px solid var(--surface-border); padding-bottom: 0.75rem; }
.coverage-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; margin-top: 1rem; font-family: var(--font-mono); font-size: 0.9rem; }

/* FAQ ACCORDION */
.faq-item {
  background: var(--surface-card);
  border: 1px solid var(--surface-border);
  border-radius: 8px;
  margin-bottom: 1rem;
  overflow: hidden;
}
.faq-toggle {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 1.25rem;
  color: var(--text-main);
  font-size: 1.1rem;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}
.faq-content {
  padding: 0 1.25rem 1.25rem 1.25rem;
  display: none;
  color: var(--text-muted);
  border-top: 1px solid rgba(255,255,255,0.05);
}
.faq-item.active .faq-content { display: block; }
.faq-item.active .faq-icon { transform: rotate(45deg); }
.faq-icon { transition: transform 0.2s ease; color: var(--accent-cyan); }

/* CONTACT FORM */
.contact-details { margin-top: 2rem; }
.contact-item { margin-bottom: 1.5rem; }
.contact-value { font-size: 1.1rem; color: var(--text-main); }
.contact-muted { color: var(--text-muted); }
.map-link { color: var(--accent-cyan); font-size: 0.9rem; text-decoration: none; }
.phone-link { font-size: 1.4rem; font-weight: 700; color: var(--accent-cyan); text-decoration: none; }

.form-title { color: var(--text-main); margin-bottom: 1.5rem; }
.form-group { margin-bottom: 1rem; }
.form-label { display: block; font-size: 0.85rem; color: var(--text-muted); margin-bottom: 0.4rem; }
.form-input { width: 100%; padding: 0.75rem; background: var(--bg-slate); border: 1px solid var(--surface-border); border-radius: 4px; color: var(--text-main); }

/* FOOTER */
footer { background: #070b0f; padding: 4rem 0 2rem 0; color: var(--text-muted); font-size: 0.9rem; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 2rem; margin-bottom: 3rem; }
.footer-heading { font-weight: 700; color: var(--text-main); margin-bottom: 1rem; }
.footer-desc { font-size: 0.85rem; }
.footer-list { list-style: none; font-size: 0.85rem; line-height: 2; }
.footer-bottom { border-top: 1px solid var(--surface-border); padding-top: 2rem; font-size: 0.8rem; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; }

/* UTILS */
.status-dot { width: 8px; height: 8px; background: var(--accent-emerald); border-radius: 50%; display: inline-block; }
.badge { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.8rem; color: var(--accent-emerald); }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .desktop-only { display: none; }
}