/* ============================================================
   FlightIntelligence Ι.Κ.Ε. — site styles
   Brand palette derived from the Traffic Mark:
     navy  #0F1A2E   mid #4E7CB0   light #86B8E4
   System fonts only — no third-party requests (GDPR-clean).
   ============================================================ */

:root{
  --navy:#0A1628;
  --navy-soft:#152238;
  --navy-line:#20354F;
  --paper:#F6F8FB;
  --surface:#FFFFFF;
  --line:#DCE2E8;
  --text:#0A1628;
  --muted:#5A6A7B;
  --muted-dark:#B8D4EA;   /* muted text on navy */
  --mid:#4A90D9;
  --mid-press:#2E5090;
  --light:#7FB3E0;
  --todo:#C2410C;         /* fill-me marker */

  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
          "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", "Roboto Mono",
          Menlo, Consolas, monospace;

  --wrap: 1080px;
  --pad: clamp(20px, 5vw, 56px);
}

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

html{ -webkit-text-size-adjust:100%; background:var(--navy); }
body{
  font-family:var(--sans);
  color:var(--text);
  background:var(--paper);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  min-height:100vh;
  min-height:100dvh;
  display:flex;
  flex-direction:column;
}
body > main{ flex:1 0 auto; display:flex; flex-direction:column; }
body > main > .hero{ flex:1 0 auto; }
body > .foot{ flex-shrink:0; }

a{ color:var(--mid); text-decoration:none; }
a:hover{ color:var(--mid-press); }

:focus-visible{
  outline:2px solid var(--light);
  outline-offset:3px;
  border-radius:2px;
}

.wrap{ width:100%; max-width:var(--wrap); margin-inline:auto; padding-inline:var(--pad); }

/* ---------- Lockup (mark + wordmark) ---------- */
.lockup{ display:inline-flex; align-items:center; gap:13px; color:inherit; }
.lockup__mark{ width:46px; height:46px; display:block; flex:none; }
.lockup__word{
  font-size:clamp(13.5px,2.4vw,15.5px); letter-spacing:.07em;
  text-transform:uppercase; font-weight:400; line-height:1.05;
  white-space:nowrap;
}
.lockup__word b{ font-weight:700; }

/* ---------- Site header ---------- */
.head{ position:relative; z-index:3; }
.head__inner{
  display:flex; align-items:center; justify-content:space-between;
  gap:18px; padding-block:22px;
}
.head--dark .lockup__word{ color:#fff; }
.head--light .lockup__word{ color:var(--text); }
.head--light{ border-bottom:1px solid var(--line); }
.head--dark .mk-ring{ stroke:#4A90D9; }
.head--dark .mk-tick{ stroke:rgba(184,212,234,0.55); }
.head--dark .mk-hex{ stroke:#4A90D9; }
.head--dark .mk-needle{ fill:#7FB3E0; }
.head--light .mk-ring{ stroke:#0A1628; }
.head--light .mk-tick{ stroke:rgba(10,22,40,0.5); }
.head--light .mk-hex{ stroke:#0A1628; }
.head--light .mk-needle{ fill:#4A90D9; }

/* ---------- Hero (navy) ---------- */
.hero{
  position:relative; overflow:hidden;
  background:var(--navy); color:#fff;
}
.hero__ghost{
  position:absolute; right:-8%; top:50%; transform:translateY(-50%);
  width:min(620px,78vw); height:auto; opacity:.085; pointer-events:none;
  z-index:0;
}
.hero__inner{ position:relative; z-index:1; padding-block:clamp(64px,8vw,148px); }
.hero__eyebrow{
  font-family:var(--mono); font-size:12px; letter-spacing:.22em;
  text-transform:uppercase; color:var(--light); margin-bottom:26px;
}
.hero__title{
  font-size:clamp(34px,6.2vw,68px); line-height:1.04;
  letter-spacing:-.02em; font-weight:700; max-width:16ch;
}
.hero__sub{
  margin-top:24px; max-width:48ch;
  font-size:clamp(16px,2.2vw,19px); color:var(--muted-dark);
}
.hero__contact{ margin-top:38px; font-size:15px; color:var(--muted-dark); }
.hero__contact a{ color:#fff; border-bottom:1px solid var(--mid); padding-bottom:2px; }
.hero__contact a:hover{ border-color:var(--light); color:var(--light); }

/* horizon rule that bridges navy -> paper */
.horizon{ position:relative; height:0; border-top:1px solid var(--navy-line); }
.horizon::after{   /* heading bug riding the line */
  content:""; position:absolute; left:var(--pad); top:-5px;
  width:10px; height:10px; background:var(--light); transform:rotate(45deg);
}

/* ---------- Generic light section ---------- */
.section{ padding-block:clamp(48px,8vw,92px); }
.eyebrow{
  font-family:var(--mono); font-size:12px; letter-spacing:.2em;
  text-transform:uppercase; color:var(--mid); margin-bottom:16px;
}
.lede{ font-size:clamp(17px,2.4vw,20px); max-width:60ch; color:var(--text); }
.lede + .lede{ margin-top:14px; }

/* ---------- Data plate (compliance) ---------- */
.plate__head{ padding-block:clamp(48px,9vw,96px) clamp(28px,4vw,40px); }
.plate__title{
  font-size:clamp(30px,5.4vw,52px); letter-spacing:-.02em;
  font-weight:700; line-height:1.05;
}
.plate__intro{ margin-top:18px; max-width:60ch; color:var(--muted); font-size:16px; }

.block{ padding-block:30px; border-top:1px solid var(--line); }
.block:first-of-type{ border-top:none; padding-top:8px; }
.block__label{
  font-family:var(--mono); font-size:12px; letter-spacing:.18em;
  text-transform:uppercase; color:var(--mid); margin-bottom:18px;
}

.rows{ display:grid; gap:14px; }
.row{
  display:grid; grid-template-columns:minmax(180px,260px) 1fr; gap:8px 28px;
  align-items:baseline;
}
.row__k{
  font-family:var(--mono); font-size:12px; letter-spacing:.04em;
  text-transform:uppercase; color:var(--muted);
}
.row__v{ font-size:17px; color:var(--text); }
.row__v small{ display:block; color:var(--muted); font-size:13.5px; margin-top:2px; }
.kad-sec{ display:grid; gap:5px; font-family:var(--mono); font-size:12.5px; color:var(--muted); line-height:1.45; }

/* partner entries */
.partner{ padding:16px 0; border-top:1px dashed var(--line); }
.partner:first-child{ border-top:none; padding-top:4px; }
.partner__name{ font-size:18px; font-weight:600; }
.partner__meta{
  margin-top:6px; display:flex; flex-wrap:wrap; gap:6px 18px;
  font-family:var(--mono); font-size:12.5px; color:var(--muted);
  letter-spacing:.02em;
}
.partner__meta b{ color:var(--mid); font-weight:600; }

.todo{
  color:var(--todo); font-style:normal;
  border-bottom:1px dashed var(--todo); padding-bottom:1px;
}

.note{
  margin-top:36px; padding:20px 22px; background:var(--surface);
  border:1px solid var(--line); border-left:3px solid var(--mid);
  border-radius:4px; font-size:14px; color:var(--muted); line-height:1.6;
}
.note b{ color:var(--text); font-weight:600; }

/* ---------- Footer (navy) ---------- */
.foot{ background:var(--navy); color:var(--muted-dark); }
.foot__inner{
  padding-block:48px; display:grid; gap:26px;
  grid-template-columns:1fr auto; align-items:start;
}
.foot__legal{ font-size:13px; line-height:1.7; max-width:56ch; }
.foot__legal b{ color:#fff; font-weight:600; }
.foot__legal a{ color:var(--light); }
.foot__links{ display:grid; gap:10px; justify-items:end; text-align:right; }
.foot__links a{ color:#fff; font-size:14px; }
.foot__links a:hover{ color:var(--light); }
.foot__meta{
  font-family:var(--mono); font-size:11px; letter-spacing:.1em;
  text-transform:uppercase; color:var(--muted-dark);
}

/* ---------- Motion ---------- */
@keyframes rise{ from{ opacity:0; transform:translateY(14px); } to{ opacity:1; transform:none; } }
.rise{ animation:rise .7s cubic-bezier(.2,.7,.2,1) both; }
.rise-2{ animation-delay:.08s; }
.rise-3{ animation-delay:.16s; }

@media (prefers-reduced-motion:reduce){
  .rise,.rise-2,.rise-3{ animation:none; }
}

/* ---------- Responsive ---------- */
@media (max-width:640px){
  .row{ grid-template-columns:1fr; gap:3px; }
  .foot__inner{ grid-template-columns:1fr; }
  .foot__links{ justify-items:start; text-align:left; }
  .hero__ghost{ opacity:.06; right:-22%; }
}

/* ---------- Language toggle ---------- */
.lang{ display:inline-flex; gap:11px; align-items:center; font-family:var(--mono);
  font-size:12px; letter-spacing:.12em; text-transform:uppercase; }
.lang a{ color:inherit; opacity:.5; cursor:pointer; }
.lang a:hover{ opacity:1; }
.lang .is-active{ opacity:1; font-weight:700; }
.head--dark .lang{ color:#fff; }
.head--dark .lang .is-active{ color:var(--light); }
.head--light .lang{ color:var(--text); }
.head--light .lang .is-active{ color:var(--mid); }

/* ---------- Light-page watermark (expanded mark) ---------- */
.plate{ position:relative; }
.plate__ghost{ position:absolute; top:20px; right:-56px;
  width:min(460px,60vw); height:auto; opacity:.08; pointer-events:none; z-index:0; }
.plate__content{ position:relative; z-index:1; }
@media (max-width:640px){ .plate__ghost{ opacity:.05; right:-32%; top:8px; } }

/* ---------- Skip link (keyboard-only) ---------- */
.skip{
  position:absolute; left:-9999px; top:0;
  background:var(--navy); color:#fff;
  padding:10px 16px; font:600 13px/1 var(--sans);
  border-radius:0 0 4px 0; z-index:1000;
}
.skip:focus{ left:0; }

/* ---------- Print (compliance pages) ---------- */
@media print {
  body{ background:#fff; color:#000; }
  .lang, .skip, .hero__ghost, .plate__ghost, .foot__links,
  .horizon, .todo{ display:none !important; }
  .head{ border-bottom:1px solid #000; }
  .head__inner{ padding-block:8px; }
  .lockup__word, .head--light .lockup__word{ color:#000; }
  .mk-ring, .mk-tick, .mk-hex{ stroke:#000 !important; }
  .mk-needle{ fill:#000 !important; }
  a, a:visited{ color:#000; text-decoration:underline; }
  .row{ grid-template-columns:1fr; gap:2px; page-break-inside:avoid; }
  .row__k{ color:#000; }
  .block, .partner{ page-break-inside:avoid; }
  .note{ background:transparent; border:1px solid #000; color:#000; }
  .note b{ color:#000; }
  .foot{ background:transparent; color:#000; border-top:1px solid #000; }
  .foot__legal b, .foot__legal a, .foot__meta{ color:#000; }
}