:root {
  --bg-1: #05070a;
  --bg-2: #0b0f14;
  --bg-3: #111820;
  --bg-4: #17212b;
  --text: #e8eef3;
  --text-muted: #94a3b8;
  --accent: #2dd4bf;
  --accent-2: #38bdf8;
  --danger: #f87171;
  --warning: #fbbf24;
  --success: #34d399;
  --border: rgba(148, 163, 184, 0.14);
  --max-width: 1200px;
  --radius: 10px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg-1);
  color: var(--text);
  line-height: 1.6;
}

a { color: var(--accent); text-decoration: none; }
img { max-width: 100%; display: block; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(5, 7, 10, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo {
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: 1px;
  color: var(--text);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  font-size: 0.92rem;
}

.main-nav a { color: var(--text-muted); transition: color 0.2s; }
.main-nav a:hover { color: var(--text); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.92rem;
  transition: transform 0.15s, box-shadow 0.2s, background 0.2s;
  border: 1px solid transparent;
}

.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: var(--accent);
  color: var(--bg-1);
  box-shadow: 0 4px 20px rgba(45, 212, 191, 0.2);
}

.btn-primary:hover { background: #5eead4; box-shadow: 0 6px 24px rgba(45, 212, 191, 0.3); }

.btn-outline {
  border-color: var(--accent);
  color: var(--accent);
  background: transparent;
}

.btn-outline:hover { background: rgba(45, 212, 191, 0.08); }

.btn-sm { padding: 0.45rem 1rem; font-size: 0.85rem; }
.btn-lg { padding: 0.95rem 2rem; font-size: 1rem; }

/* Hero */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 5rem 0 4rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(5, 7, 10, 0.45), rgba(5, 7, 10, 0.7)),
    url("../images/hero-bg.jpg") center/cover no-repeat;
  filter: brightness(0.78) contrast(1.05);
  z-index: -1;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.55), 0 1px 28px rgba(0, 0, 0, 0.35);
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 2.5px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 1rem;
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 800;
  line-height: 1.08;
  margin-bottom: 1.25rem;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 2rem;
}

.hero-cta { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; margin-bottom: 2.5rem; }

.hero-stats {
  display: flex;
  gap: 2.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.stat { text-align: center; }
.stat-num {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
}
.stat-label { font-size: 0.85rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }

/* Trust Bar */
.trust-bar { padding: 1rem 0; border-bottom: 1px solid var(--border); background: var(--bg-2); }
.muted { color: var(--text-muted); font-size: 0.9rem; }

/* Sections */
.section { padding: 5rem 0; }
.section-dark { background: var(--bg-1); }
.section-gradient {
  background: linear-gradient(180deg, var(--bg-2), var(--bg-3));
}
.tech-benefits {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin: 2rem auto 2.5rem;
  max-width: 1100px;
  text-align: left;
}

.tech-benefits .benefit {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 1.5rem;
}

.tech-benefits .benefit strong {
  display: block;
  color: var(--accent);
  font-size: 1.05rem;
  margin-bottom: 0.6rem;
}

.tech-benefits .benefit p {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.55;
}

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

.section-cta {
  background: linear-gradient(135deg, #0f3d3e 0%, #061018 100%);
  text-align: center;
}

.center { text-align: center; margin-left: auto; margin-right: auto; }

h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.15;
}

.lead {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 760px;
  margin-bottom: 2.5rem;
}

/* Grids */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.75rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.grid-5 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.25rem;
}

/* Vertical Cards */
.vertical-card {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}

.vertical-card:hover {
  transform: translateY(-4px);
  border-color: rgba(45, 212, 191, 0.35);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
}

.vertical-card img {
  width: 100%;
  height: 190px;
  object-fit: cover;
}

.vertical-card .card-body { padding: 1.25rem; }
.vertical-card h3 { font-size: 1.15rem; margin-bottom: 0.5rem; }
.vertical-card p { font-size: 0.9rem; color: var(--text-muted); }

.tag {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  margin-bottom: 0.75rem;
  background: rgba(52, 211, 153, 0.12);
  color: var(--success);
  border: 1px solid rgba(52, 211, 153, 0.25);
}

.tag[data-status="pilot"] {
  background: rgba(251, 191, 36, 0.12);
  color: var(--warning);
  border-color: rgba(251, 191, 36, 0.25);
}

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.step {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  text-align: center;
}

.step-image {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: 10px;
  margin-bottom: 1rem;
  border: 1px solid var(--border);
}

.step-num {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--bg-1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  margin: 0 auto 1rem;
}

.step h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.step p { font-size: 0.9rem; color: var(--text-muted); }

/* Technician Cards */
.tech-card {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1rem;
  text-align: center;
  transition: transform 0.2s, border-color 0.2s;
}

.tech-card:hover {
  transform: translateY(-3px);
  border-color: rgba(45, 212, 191, 0.3);
}

.tech-headshot {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 0.75rem;
  border: 2px solid var(--border);
}

.tech-card h4 { font-size: 1.05rem; margin-bottom: 0.25rem; }

.tier {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  margin-bottom: 0.6rem;
}

.tier-a { background: rgba(45, 212, 191, 0.14); color: var(--accent); }
.tier-b { background: rgba(56, 189, 248, 0.14); color: var(--accent-2); }
.tier-c { background: rgba(148, 163, 184, 0.16); color: var(--text-muted); }

.tech-card .skills {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.tech-disclaimer {
  margin-top: 2rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  max-width: 700px;
}

/* About */
.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.about-stat {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
}

.about-val {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 0.25rem;
}

.about-label { font-size: 0.85rem; color: var(--text-muted); }

.feature-list {
  list-style: none;
  margin-top: 1rem;
}

.feature-list li {
  padding: 0.5rem 0 0.5rem 1.5rem;
  position: relative;
  color: var(--text-muted);
}

.feature-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

/* Contact */
.section-cta h2 { margin-bottom: 1rem; }
.section-cta .lead { margin-bottom: 1.75rem; }
.team-strip-wrapper {
  margin: 2rem auto;
  max-width: 100%;
  overflow-x: auto;
  padding: 0.75rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.team-strip {
  display: block;
  height: 140px;
  width: auto;
  max-width: 100%;
  margin: 0 auto;
}

.team-strip-caption {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.6rem;
  opacity: 0.75;
}

.subtle { color: var(--text-muted); font-size: 0.88rem; margin-top: 1rem; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  background: var(--bg-1);
}

.footer-content { text-align: center; color: var(--text-muted); font-size: 0.88rem; }
.placeholder-disclaimer {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.75rem;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  opacity: 0.8;
}

.copyright { margin-top: 0.75rem; font-size: 0.8rem; }

/* Responsive */
@media (max-width: 600px) {
  .main-nav { display: none; }
  .hero h1 { font-size: 2.1rem; }
  .hero-stats { gap: 1.25rem; }
  .grid-5 { grid-template-columns: repeat(2, 1fr); }
  .about-stats { grid-template-columns: 1fr; }
}
