/* =========================================================
   FLYDRONE — shared design system
   Bilingual (FA primary / EN support), RTL, green tech-startup
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Vazirmatn:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  /* ---- Surfaces (warm cream, near-black green ink) ---- */
  --bg:        #F4F1E8;   /* warm cream page */
  --bg-2:      #EDE9DC;   /* slightly deeper cream */
  --surface:   #FFFFFF;
  --ink:       #0E1A14;   /* deep green-black */
  --ink-soft:  #46514A;   /* muted body */
  --ink-faint: #7E877F;
  --line:      #E2DDCD;   /* hairlines on cream */
  --line-2:    #ECE8DC;

  /* ---- Brand greens ---- */
  --forest:    #0B3D2E;   /* deep brand green */
  --forest-2:  #0E4A38;
  --primary:   #14A06A;   /* emerald — primary action */
  --primary-strong: #0E7F53;
  --primary-soft:   #E3F3EA;
  --primary-tint:   #F0F8F3;

  /* ---- Energy accent (sparingly) ---- */
  --signal:    #B6F03C;   /* electric spring-green / live + QR */
  --signal-ink:#23360A;

  /* ---- Status ---- */
  --ok:        #14A06A;
  --warn:      #E0A500;
  --deny:      #D9533B;

  /* ---- Type ---- */
  --fa: 'Vazirmatn', system-ui, sans-serif;
  --en: 'Space Grotesk', 'Vazirmatn', sans-serif;

  /* ---- Geometry ---- */
  --r-xs: 8px;
  --r-sm: 12px;
  --r-md: 18px;
  --r-lg: 26px;
  --r-xl: 34px;
  --shadow-sm: 0 1px 2px rgba(11,61,46,.06), 0 2px 8px rgba(11,61,46,.05);
  --shadow-md: 0 6px 20px rgba(11,61,46,.08), 0 2px 6px rgba(11,61,46,.05);
  --shadow-lg: 0 24px 60px rgba(11,61,46,.16), 0 6px 18px rgba(11,61,46,.08);
  --maxw: 1200px;
}

/* ============ DIRECTION THEMES (compare via Tweaks) ============ */
/* B — "Sky": cool, airy, pure-white surfaces, brighter emerald */
:root[data-theme="sky"] {
  --bg:        #F2F6F4;
  --bg-2:      #E8F0EC;
  --surface:   #FFFFFF;
  --ink:       #0B1A20;
  --ink-soft:  #45565C;
  --ink-faint: #7C9097;
  --line:      #E0EAE6;
  --line-2:    #EDF3F0;
  --forest:    #0E3A4A;   /* teal-leaning deep */
  --forest-2:  #114658;
  --primary:   #12B07A;
  --primary-strong: #0C8A5F;
  --primary-soft:   #DCF3E9;
  --primary-tint:   #EDF8F3;
  --signal:    #57E0C2;   /* aqua energy */
  --signal-ink:#06342B;
}
/* C — "Night Ops": dark, high-tech, lime signal */
:root[data-theme="night"] {
  --bg:        #08120E;
  --bg-2:      #0C1B15;
  --surface:   #102019;
  --ink:       #E8F3EC;
  --ink-soft:  #A6BCB0;
  --ink-faint: #6E857A;
  --line:      #1B2C24;
  --line-2:    #15231C;
  --forest:    #0A2A20;
  --forest-2:  #0D352784;
  --primary:   #2FCB86;
  --primary-strong: #25B074;
  --primary-soft:   #14301F;
  --primary-tint:   #112418;
  --signal:    #B6F03C;
  --signal-ink:#1B2A06;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.4);
  --shadow-md: 0 8px 26px rgba(0,0,0,.5);
  --shadow-lg: 0 28px 70px rgba(0,0,0,.6);
}
/* night: surfaces & buttons that assumed light bg */
:root[data-theme="night"] .nav { background: color-mix(in srgb, var(--bg) 78%, transparent); }
:root[data-theme="night"] .btn-primary { background: var(--primary); color: #06200F; }
:root[data-theme="night"] .btn-primary:hover { background: var(--primary-strong); }
:root[data-theme="night"] .btn-ghost { color: var(--ink); border-color: var(--line); }
:root[data-theme="night"] .btn-ghost:hover { background: var(--bg-2); }
:root[data-theme="night"] .brand .mark { background: var(--surface); }
:root[data-theme="night"] .permit, :root[data-theme="night"] .how,
:root[data-theme="night"] .cta-band, :root[data-theme="night"] .qrcheck { background: #0A2418; border: 1px solid var(--line); }
:root[data-theme="night"] .ph { background: var(--primary-tint); border-color: #1F3A2C; }

/* corner roundness multiplier (set --rk via tweak) */
:root { --rk: 1; }
:root {
  --r-xs: calc(8px * var(--rk));
  --r-sm: calc(12px * var(--rk));
  --r-md: calc(18px * var(--rk));
  --r-lg: calc(26px * var(--rk));
  --r-xl: calc(34px * var(--rk));
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  font-family: var(--fa);
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  line-height: 1.65;
}

html[dir="rtl"] body { letter-spacing: 0; }

/* Latin runs inside RTL text stay LTR + tech font.
   NOTE: data-en is a *translation* attribute, NOT a "this is Latin" marker —
   it must never force LTR, or every Persian element flips to ltr/left-align. */
.en, .lat {
  font-family: var(--en);
  direction: ltr;
  unicode-bidi: isolate;
  letter-spacing: -0.01em;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }

h1, h2, h3, h4 { margin: 0; font-weight: 800; line-height: 1.18; letter-spacing: -0.01em; }
p { margin: 0; }

.wrap { max-width: var(--maxw); margin-inline: auto; padding-inline: 28px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 13px 22px; border-radius: 999px;
  font-weight: 700; font-size: 15.5px;
  border: 1px solid transparent; transition: .18s ease;
  white-space: nowrap;
}
.btn .ar { font-size: 1.15em; line-height: 0; }
.btn-primary { background: var(--forest); color: #EAF6EF; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--forest-2); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-accent { background: var(--primary); color: #fff; }
.btn-accent:hover { background: var(--primary-strong); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { background: var(--surface); border-color: #D4CEBC; }
.btn-signal { background: var(--signal); color: var(--signal-ink); }
.btn-signal:hover { filter: brightness(1.04); transform: translateY(-1px); }
.btn-sm { padding: 9px 16px; font-size: 14px; }

/* ---------- Pills / chips ---------- */
.pill {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 6px 13px; border-radius: 999px;
  font-size: 13px; font-weight: 600;
  background: var(--surface); border: 1px solid var(--line); color: var(--ink-soft);
}
.pill .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--primary); }
.pill.live .dot { background: var(--signal); box-shadow: 0 0 0 3px rgba(182,240,60,.3); }
.pill-soon { background: var(--bg-2); color: var(--ink-faint); border-color: var(--line); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 13.5px; font-weight: 700; color: var(--primary-strong);
  letter-spacing: .01em;
}
.eyebrow::before { content: ""; width: 22px; height: 2px; border-radius: 2px; background: var(--primary); }

/* ---------- Cards ---------- */
.card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r-lg); box-shadow: var(--shadow-sm);
}

/* ---------- Section rhythm ---------- */
.section { padding-block: 92px; }
.section-head { display: flex; flex-direction: column; gap: 14px; max-width: 640px; }
.section-head h2 { font-size: clamp(28px, 3.4vw, 44px); }
.section-head p { color: var(--ink-soft); font-size: 17px; }

/* small caps latin label */
.kicker-en {
  font-family: var(--en); font-size: 12px; font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase; color: var(--ink-faint);
}

/* striped image placeholder */
.ph {
  background:
    repeating-linear-gradient(135deg, rgba(11,61,46,.05) 0 10px, rgba(11,61,46,0) 10px 20px),
    var(--primary-tint);
  border: 1px dashed #BFD8CB;
  border-radius: var(--r-md);
  display: grid; place-items: center;
  color: var(--primary-strong); font-family: var(--en);
  font-size: 12px; letter-spacing: .1em; text-transform: uppercase;
}

/* =========================================================
   GLOBAL SITE CHROME — shared nav + footer (site-chrome.js)
   Injected on every page so all sub-products share one identity.
   ========================================================= */
.gnav {
  position: sticky; top: 0; z-index: 60;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(14px) saturate(1.2);
  border-bottom: 1px solid var(--line);
}
.gnav-in { display: flex; align-items: center; gap: 18px; height: 64px; max-width: var(--maxw); margin-inline: auto; padding-inline: 28px; }
.gbrand { display: flex; align-items: center; gap: 11px; font-family: var(--en); font-weight: 700; font-size: 18px; letter-spacing: -.02em; color: var(--ink); }
.gbrand .mark { width: 32px; height: 32px; border-radius: 9px; background: var(--forest) url(assets/favicon.png) center/cover no-repeat; position: relative; flex: none; }
.gbrand .mark::before, .gbrand .mark::after { content: none; }
.glinks { display: flex; gap: 2px; margin-inline-start: 6px; }
.glinks a { padding: 8px 12px; border-radius: 10px; font-size: 14px; font-weight: 600; color: var(--ink-soft); transition: .15s; white-space: nowrap; }
.glinks a:hover { background: var(--surface); color: var(--ink); }
.glinks a.active { color: var(--primary-strong); background: var(--primary-tint); }
.gright { margin-inline-start: auto; display: flex; align-items: center; gap: 10px; }
.lang { display: inline-flex; background: var(--surface); border: 1px solid var(--line); border-radius: 999px; padding: 3px; font-family: var(--en); font-size: 12.5px; font-weight: 600; }
.lang button { border: none; background: transparent; padding: 5px 11px; border-radius: 999px; color: var(--ink-faint); }
.lang button.on { background: var(--forest); color: #EAF6EF; }
.gburger { display: none; width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--line); background: var(--surface); align-items: center; justify-content: center; padding: 0; }
.gburger svg { width: 20px; height: 20px; color: var(--ink); }
.gmenu { display: none; }
@media (max-width: 980px) {
  .glinks { display: none; }
  .gcta-d { display: none; }
  .gburger { display: inline-flex; }
  .gmenu { display: none; flex-direction: column; gap: 2px; padding: 8px 20px 16px; border-top: 1px solid var(--line); background: var(--bg); }
  .gmenu.open { display: flex; }
  .gmenu a { padding: 12px; border-radius: 10px; font-size: 15px; font-weight: 600; color: var(--ink-soft); }
  .gmenu a.active { color: var(--primary-strong); background: var(--primary-tint); }
}

/* ---- shared footer ---- */
.gfoot { background: var(--bg-2); border-top: 1px solid var(--line); padding-block: 54px 0; margin-top: 72px; }
.gfoot-in { max-width: var(--maxw); margin-inline: auto; padding-inline: 28px; }
.gfoot-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.1fr; gap: 34px; }
.gfoot .gbrand { font-size: 19px; }
.gfoot .blurb { color: var(--ink-soft); font-size: 14px; margin-top: 14px; max-width: 26em; line-height: 1.7; }
.gfoot h5 { font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-faint); font-family: var(--en); font-weight: 600; margin: 0 0 12px; }
.gfoot a.fl { display: block; padding: 5px 0; color: var(--ink-soft); font-size: 14px; }
.gfoot a.fl:hover { color: var(--primary-strong); }
.gfoot a.fl .u { font-family: var(--en); font-size: 11px; color: var(--ink-faint); margin-inline-start: 6px; }
.gpartner { display: flex; align-items: center; gap: 11px; padding: 11px 13px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); margin-bottom: 10px; }
.gpartner .lg { width: 40px; height: 40px; border-radius: 9px; background: #fff; border: 1px solid var(--line); display: grid; place-items: center; padding: 5px; flex: none; }
.gpartner .lg img { max-width: 100%; max-height: 100%; }
.gpartner b { font-size: 13px; display: block; }
.gpartner span { font-size: 11.5px; color: var(--ink-faint); }
.gfoot-bottom { margin-top: 44px; padding: 22px 0 30px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.gcopy { font-size: 13px; color: var(--ink-faint); }
.gmade { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ink-soft); }
.gmade a.kishit { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; color: var(--ink); transition: .15s; }
.gmade a.kishit:hover { color: var(--primary-strong); }
.gmade .ki { width: 28px; height: 28px; border-radius: 8px; background: #060816; color: #fff; display: grid; place-items: center; font-family: var(--en); font-weight: 700; font-size: 11px; letter-spacing: -.02em; flex: none; }
@media (max-width: 860px) { .gfoot-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 540px) { .gfoot-grid { grid-template-columns: 1fr; } .gfoot-bottom { flex-direction: column; align-items: flex-start; } }

/* utility */
.muted { color: var(--ink-soft); }
.faint { color: var(--ink-faint); }
.center { text-align: center; }
.grid { display: grid; }
.flex { display: flex; }
.between { justify-content: space-between; }
.items-center { align-items: center; }
.gap-s { gap: 10px; } .gap-m { gap: 18px; } .gap-l { gap: 28px; }