/* =========================================================
   AVSATS — style.css
   Identidade: torre de controle / sala de radar à noite.
   Verde-radar para foco/ação, âmbar de instrumento para
   identificação secundária, painel azul-marinho profundo.
========================================================= */

:root{
  --bg: #0A1628;
  --bg-2: #0E1D30;
  --panel: #112338;
  --line: rgba(255,255,255,0.09);
  --line-strong: rgba(255,255,255,0.16);
  --text: #EAF1F7;
  --muted: #8FA7BD;
  --muted-2: #5E7A93;
  --green: #34D399;
  --green-soft: rgba(52,211,153,0.14);
  --amber: #F2A93C;
  --slate: #6C9BCB;
  --radius: 14px;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;
  --sans: 'IBM Plex Sans', -apple-system, sans-serif;
  --display: 'Space Grotesk', var(--sans);
  --max: 880px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img{ max-width: 100%; display:block; }
a{ color: inherit; text-decoration: none; }
a:focus-visible,
button:focus-visible{
  outline: 2px solid var(--green);
  outline-offset: 3px;
  border-radius: 4px;
}

.wrap{
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header ---------- */
.site-header{
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(10,22,40,0.82);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}
.logo{
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-mark{ width: 26px; height: 26px; color: var(--green); }
.logo-word{
  font-family: var(--display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.04em;
}

/* ---------- Buttons ---------- */
.btn{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 14px;
  padding: 11px 20px;
  border-radius: 999px;
  transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease;
  white-space: nowrap;
}
.btn-primary{
  background: var(--green);
  color: #06251C;
}
.btn-primary:hover{ transform: translateY(-1px); background:#3FE3A8; }
.btn-ghost{
  border: 1px solid var(--line-strong);
  color: var(--text);
}
.btn-ghost:hover{ border-color: var(--green); color: var(--green); }

/* ---------- Hero ---------- */
.hero{
  position: relative;
  overflow: hidden;
  padding: 84px 0 70px;
  border-bottom: 1px solid var(--line);
}
.radar-bg{
  position: absolute;
  top: -180px;
  right: -200px;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background:
    repeating-radial-gradient(circle, transparent 0 58px, rgba(52,211,153,0.07) 59px 60px);
  pointer-events: none;
}
.radar-bg::before{
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 300px;
  height: 1.5px;
  background: linear-gradient(90deg, rgba(52,211,153,0.55), transparent);
  transform-origin: 0 50%;
  animation: sweep 10s linear infinite;
}
@keyframes sweep{
  from{ transform: rotate(0deg); }
  to{ transform: rotate(360deg); }
}
@media (prefers-reduced-motion: reduce){
  .radar-bg::before{ animation: none; }
}
.hero-inner{ position: relative; z-index: 1; }
.eyebrow{
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.12em;
  color: var(--green);
  margin: 0 0 18px;
}
.hero h1{
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(30px, 4.4vw, 46px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  margin: 0 0 22px;
  max-width: 720px;
}
.lede{
  color: var(--muted);
  font-size: 17px;
  max-width: 620px;
  margin: 0 0 34px;
}
.lede a{
  color: var(--text);
  border-bottom: 1px solid var(--green);
}
.lede a:hover{ color: var(--green); }

/* ---------- Services / Flight-strip rack ---------- */
.services{ padding: 76px 0 90px; }
.section-label{
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted-2);
  margin: 0 0 28px;
}

.rack{
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-left: 22px;
}
.rack::before{
  content: "";
  position: absolute;
  top: 6px;
  bottom: 6px;
  left: 0;
  width: 2px;
  background: var(--line-strong);
}

.strip{
  position: relative;
  display: grid;
  grid-template-columns: auto auto 1fr;
  align-items: start;
  gap: 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--green);
  border-radius: 10px;
  padding: 20px 22px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.strip-b{ border-left-color: var(--amber); }
.strip-c{ border-left-color: var(--slate); }
.strip:hover{ transform: translateX(2px); }
.strip:hover{ border-color: var(--line-strong); }

.strip-peg{
  position: absolute;
  left: -25px;
  top: 24px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--line-strong);
}

.strip-code{
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted-2);
  letter-spacing: 0.06em;
  padding-top: 3px;
}

.strip-icon{
  width: 34px;
  height: 34px;
  color: var(--green);
}
.strip-b .strip-icon{ color: var(--amber); }
.strip-c .strip-icon{ color: var(--slate); }
.strip-icon svg{ width: 100%; height: 100%; }

.strip-body h2{
  font-family: var(--display);
  font-weight: 600;
  font-size: 19px;
  margin: 0 0 8px;
}
.strip-body p{
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  max-width: 560px;
}

/* ---------- Footer ---------- */
.site-footer{
  background: var(--bg-2);
  border-top: 1px solid var(--line);
  padding: 30px 0;
}
.footer-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.footer-id{
  display: flex;
  align-items: center;
  gap: 14px;
}
.logo-mini{ width: 26px; height: 26px; color: var(--muted-2); flex-shrink: 0; }
.logo-mini svg{ width: 100%; height: 100%; }
.footer-name{
  margin: 0;
  font-size: 14px;
  font-weight: 600;
}
.footer-meta{
  margin: 2px 0 0;
  font-size: 13px;
  color: var(--muted-2);
}

/* ---------- Responsive ---------- */
@media (max-width: 640px){
  .hero{ padding: 64px 0 50px; }
  .hero h1{ font-size: 28px; }
  .radar-bg{ width: 380px; height: 380px; top: -140px; right: -160px; }
  .strip{
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .strip-code{ order: -1; }
  .strip-icon{ width: 28px; height: 28px; }
  .rack{ padding-left: 16px; }
  .strip-peg{ left: -19px; }
  .footer-inner{ flex-direction: column; align-items: flex-start; }
}