/* =====================================================================
   AVIATE WITH MAX — site.css
   Shared styles for the overview page and site chrome.
   ===================================================================== */

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

:root {
  --navy:       #0b1b3a;
  --navy-2:     #13274a;
  --navy-soft:  #1e3a66;
  --accent:     #2f7dc4;
  --accent-2:   #5aa3da;
  --ink:        #1a2436;
  --mute:       #6a7790;
  --line:       #e3e8ef;
  --bg:         #f6f8fb;
  --white:      #ffffff;
  --amber:      #d9881a;
  --radius:     10px;
  --shadow-sm:  0 1px 2px rgba(11,27,58,.06), 0 2px 8px rgba(11,27,58,.05);
  --shadow-md:  0 6px 24px rgba(11,27,58,.10);
}

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  font-size: 15px;
  line-height: 1.55;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

/* ---------- Header ---------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--navy);
  color: var(--white);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.site-header::after {
  content: "";
  display: block;
  height: 3px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-2) 55%, var(--amber) 100%);
}
.nav-wrap {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  align-items: center;
  height: 64px;
  gap: 28px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--white);
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 22px;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.brand .dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 3px rgba(217,136,26,.2);
}
.brand small {
  display: block;
  font-family: 'Inter', sans-serif;
  font-weight: 400;
  font-size: 11px;
  letter-spacing: .14em;
  color: rgba(255,255,255,.55);
  text-transform: uppercase;
  margin-top: 2px;
}

.nav-main {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 8px;
  color: rgba(255,255,255,.85);
  font-size: 14px;
  font-weight: 500;
  transition: background .15s ease, color .15s ease;
}
.nav-link:hover,
.nav-link.is-active { background: rgba(255,255,255,.08); color: var(--white); }
.nav-link .chev {
  width: 10px; height: 10px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  margin-top: -4px;
  opacity: .7;
}

/* ---------- Mega menu (two-step dropdown) ----------------------------- */
.megamenu {
  position: absolute;
  left: 0; right: 0;
  top: 100%;
  background: var(--white);
  color: var(--ink);
  box-shadow: var(--shadow-md);
  border-top: 1px solid var(--line);
  display: none;
}
.megamenu.is-open { display: block; }
.megamenu-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 22px 28px 28px;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 32px;
  min-height: 320px;
}
.mm-cats {
  border-right: 1px solid var(--line);
  padding-right: 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.mm-cat {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 11px 12px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  text-align: left;
  transition: background .12s ease;
}
.mm-cat:hover { background: var(--bg); }
.mm-cat.is-selected { background: var(--navy); color: var(--white); }
.mm-cat .count {
  font-size: 11px; padding: 2px 8px; border-radius: 999px;
  background: var(--line); color: var(--mute); font-weight: 600;
}
.mm-cat.is-selected .count { background: rgba(255,255,255,.15); color: rgba(255,255,255,.9); }

.mm-panel { display: none; }
.mm-panel.is-active { display: block; }
.mm-panel-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; margin-bottom: 12px;
}
.mm-panel-head h4 {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700; font-size: 20px; letter-spacing: .04em;
  text-transform: uppercase; color: var(--navy);
}
.mm-tabs { display: flex; gap: 4px; }
.mm-tab {
  padding: 6px 12px; font-size: 12px; font-weight: 600;
  letter-spacing: .04em; text-transform: uppercase; border-radius: 999px;
  background: var(--bg); color: var(--navy-soft); border: 1px solid transparent;
}
.mm-tab:hover { border-color: var(--line); }
.mm-tab.is-active { background: var(--navy); color: var(--white); }

.mm-list {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 4px 18px; max-height: 360px; overflow-y: auto; padding-right: 6px;
}
.mm-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px; border-radius: 6px;
  font-size: 13.5px; color: var(--ink);
  transition: background .12s ease, color .12s ease;
}
.mm-item:hover { background: var(--bg); color: var(--navy); }
.mm-item .tag {
  flex: 0 0 auto;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700; font-size: 11px; letter-spacing: .04em;
  padding: 2px 7px; border-radius: 4px;
  background: var(--navy); color: var(--white);
}
.mm-item .tag.dif { background: var(--accent); }
.mm-item .tag.night { background: var(--navy-soft); }
.mm-item .tag.manoeuvre { background: var(--amber); }
.mm-item .tag.uprt { background: var(--amber); }
.mm-item .tag.extra { background: var(--mute); }
.mm-item .t { flex: 1 1 auto; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.mm-empty {
  padding: 40px; text-align: center; color: var(--mute);
  font-size: 14px; background: var(--bg); border-radius: var(--radius);
}

/* ---------- Hero ------------------------------------------------------ */
.hero {
  background:
    radial-gradient(1200px 400px at 85% -50%, rgba(47,125,196,.25), transparent 60%),
    radial-gradient(800px 300px at 15% 120%, rgba(217,136,26,.12), transparent 60%),
    linear-gradient(180deg, #0b1b3a 0%, #13274a 100%);
  color: var(--white);
  padding: 64px 0 72px;
  border-bottom: 1px solid var(--line);
}
.hero-inner { max-width: 1240px; margin: 0 auto; padding: 0 28px; }
.hero .eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 600; letter-spacing: .14em;
  text-transform: uppercase; color: rgba(255,255,255,.7);
  padding: 6px 12px; border: 1px solid rgba(255,255,255,.18);
  border-radius: 999px; margin-bottom: 18px;
}
.hero .eyebrow::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--amber);
}
.hero h1 {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700; font-size: clamp(36px, 5vw, 54px);
  line-height: 1.05; letter-spacing: .01em;
  max-width: 860px; margin-bottom: 14px;
}
.hero h1 span { color: var(--accent-2); }
.hero p.lead { max-width: 640px; color: rgba(255,255,255,.78); font-size: 16px; }
.hero-stats { display: flex; flex-wrap: wrap; gap: 24px; margin-top: 28px; }
.hero-stats .stat { display: flex; flex-direction: column; gap: 2px; }
.hero-stats .n {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700; font-size: 30px; color: var(--white);
}
.hero-stats .l {
  font-size: 11.5px; font-weight: 500; letter-spacing: .12em;
  text-transform: uppercase; color: rgba(255,255,255,.6);
}

/* ---------- Main layout ---------------------------------------------- */
main { max-width: 1240px; margin: 0 auto; padding: 56px 28px 96px; }

.section { margin-bottom: 56px; scroll-margin-top: 80px; }
.section-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 24px; padding-bottom: 14px; margin-bottom: 22px; border-bottom: 1px solid var(--line);
}
.section-head .title-block { display: flex; align-items: baseline; gap: 14px; }
.section-head .num {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700; font-size: 15px; color: var(--accent); letter-spacing: .1em;
}
.section-head h2 {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700; font-size: 30px; letter-spacing: .02em;
  color: var(--navy); text-transform: uppercase;
}
.section-head p.desc {
  color: var(--mute); font-size: 14px; max-width: 420px; text-align: right;
}

.subtabs {
  display: inline-flex; background: var(--white); border: 1px solid var(--line);
  border-radius: 999px; padding: 4px; margin-bottom: 20px;
}
.subtab {
  padding: 8px 18px; border-radius: 999px;
  font-size: 13px; font-weight: 600; letter-spacing: .02em;
  color: var(--navy-soft);
}
.subtab.is-active {
  background: var(--navy); color: var(--white); box-shadow: var(--shadow-sm);
}

/* ---- Card grid ----- */
.grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
}
.card {
  position: relative;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 16px 14px;
  display: flex; flex-direction: column; gap: 8px;
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.card:hover {
  transform: translateY(-1px); border-color: var(--accent); box-shadow: var(--shadow-md);
}
.card .top { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.card .tag {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700; font-size: 12px; letter-spacing: .06em;
  padding: 3px 9px; border-radius: 4px;
  background: var(--navy); color: var(--white); text-transform: uppercase;
}
.card .tag.dif { background: var(--accent); }
.card .tag.night { background: var(--navy-soft); }
.card .tag.uprt { background: var(--amber); }
.card .tag.manoeuvre { background: var(--amber); }
.card .tag.extra { background: var(--mute); }
.card .aircraft {
  font-size: 11px; font-weight: 600; letter-spacing: .08em;
  text-transform: uppercase; color: var(--mute);
}
.card h3 {
  font-family: 'Inter', sans-serif;
  font-size: 15px; font-weight: 600; color: var(--navy);
  line-height: 1.35; min-height: 2.7em;
}
.card .actions {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 6px; padding-top: 10px; border-top: 1px solid var(--line);
  position: relative; z-index: 2;
}
.card .open {
  font-size: 13px; font-weight: 600; color: var(--accent);
  display: inline-flex; align-items: center; gap: 6px;
}
.card .open::after { content: "→"; transition: transform .15s ease; }
.card:hover .open::after { transform: translateX(3px); }
.card .ext {
  width: 30px; height: 30px; border-radius: 6px;
  color: var(--mute); border: 1px solid var(--line);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 12px; transition: all .15s ease;
}
.card .ext:hover { color: var(--navy); border-color: var(--navy); }
.card a.surface {
  position: absolute; inset: 0; border-radius: var(--radius); z-index: 1;
}

.empty {
  padding: 48px 24px; background: var(--white);
  border: 1px dashed var(--line); border-radius: var(--radius);
  text-align: center; color: var(--mute);
}
.empty strong { color: var(--navy); }

.cat-overview {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 16px; margin-bottom: 48px;
}
.cat-card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 22px 20px; display: flex; flex-direction: column; gap: 10px;
  transition: all .15s ease;
}
.cat-card:hover {
  transform: translateY(-2px); border-color: var(--accent); box-shadow: var(--shadow-md);
}
.cat-card .cat-top { display: flex; align-items: center; justify-content: space-between; }
.cat-card .icon {
  width: 40px; height: 40px; border-radius: 8px;
  background: var(--navy); color: var(--white);
  display: grid; place-items: center;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700; font-size: 18px;
}
.cat-card .cnt {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700; font-size: 34px; color: var(--navy); line-height: 1;
}
.cat-card h3 {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700; font-size: 22px; color: var(--navy);
  letter-spacing: .04em; text-transform: uppercase;
}
.cat-card p { color: var(--mute); font-size: 13.5px; }
.cat-card .go { margin-top: 6px; font-size: 13px; font-weight: 600; color: var(--accent); }
.cat-card .go::after { content: " →"; }

/* ---------- Footer --------------------------------------------------- */
.site-footer {
  background: var(--navy); color: rgba(255,255,255,.65);
  padding: 32px 0; margin-top: 40px;
}
.footer-inner {
  max-width: 1240px; margin: 0 auto; padding: 0 28px;
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px; font-size: 13px;
}
.footer-inner .brand { font-size: 16px; color: var(--white); }

/* ---------- Responsive ---------------------------------------------- */
@media (max-width: 960px) {
  .cat-overview { grid-template-columns: 1fr; }
  .megamenu-inner { grid-template-columns: 1fr; }
  .mm-cats { flex-direction: row; border-right: 0; border-bottom: 1px solid var(--line); padding: 0 0 12px; overflow-x: auto; }
  .mm-cat { flex: 0 0 auto; }
  .mm-list { grid-template-columns: 1fr; max-height: 280px; }
  .section-head { flex-direction: column; align-items: flex-start; }
  .section-head p.desc { text-align: left; }
}
@media (max-width: 560px) {
  .nav-wrap { gap: 12px; padding: 0 16px; }
  .brand { font-size: 18px; }
  .brand small { display: none; }
  main { padding: 40px 16px 72px; }
  .hero { padding: 48px 0 56px; }
  .hero-inner { padding: 0 16px; }
}