/* ============================================================= *
 * Drones Restricted Zones RO — landing page (dark / futuristic).
 * Self-contained: does not depend on the app stylesheet.
 * ============================================================= */
:root {
  color-scheme: dark;
  --bg: #000000;
  --ink: #e8eff9;
  --muted: #93a4be;
  --dim: #64748b;
  --line: #262626;
  --card: #171717;
  --primary: #3b82f6;
  --cyan: #22d3ee;
  --violet: #a78bfa;
  --green: #34d399;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", Menlo, monospace;
}

* { box-sizing: border-box; }

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

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg); /* full black — no colour glow */
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}

/* faint technical grid overlay */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.05) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(1200px 700px at 50% 10%, #000 30%, transparent 80%);
  pointer-events: none;
  z-index: 0;
}

.wrap { position: relative; z-index: 1; max-width: 1120px; margin: 0 auto; padding: 0 22px; }

a { color: inherit; text-decoration: none; }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 22px;
  max-width: 1120px; margin: 0 auto;
  backdrop-filter: blur(8px);
}
.nav-brand { display: flex; align-items: center; gap: 11px; font-weight: 800; letter-spacing: 0.2px; }
.nav-brand .logo { width: 32px; height: 32px; border-radius: 50%; display: block; filter: drop-shadow(0 0 10px rgba(52, 211, 153, 0.45)); }
.nav-brand small { display: block; font-size: 11px; font-weight: 500; color: var(--muted); letter-spacing: 0; }
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a { font-size: 14px; color: var(--muted); transition: color 0.15s; }
.nav-links a:hover { color: var(--ink); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: inherit; font-size: 15px; font-weight: 700;
  padding: 11px 20px; border-radius: 11px; cursor: pointer;
  border: 1px solid transparent; transition: transform 0.12s, box-shadow 0.15s, background 0.15s;
}
.btn-primary {
  color: #f5f5f5;
  background: #333333;
  box-shadow: 0 6px 22px rgba(0, 0, 0, 0.5), inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 10px 30px rgba(0, 0, 0, 0.55); }
.btn-ghost { color: var(--ink); background: rgba(148, 163, 184, 0.08); border-color: var(--line); }
.btn-ghost:hover { background: rgba(148, 163, 184, 0.16); border-color: #3a3a3a; }
.btn-lg { font-size: 16px; padding: 14px 26px; }

/* ---------- Hero ---------- */
.hero { text-align: center; padding: 66px 0 34px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.5px; text-transform: uppercase;
  color: var(--muted); background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line); border-radius: 999px; padding: 6px 14px;
}
.pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.6); animation: pulse 2s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.55); } 70% { box-shadow: 0 0 0 8px rgba(52, 211, 153, 0); } 100% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0); } }

.hero h1 {
  font-size: clamp(34px, 6vw, 60px); line-height: 1.05; margin: 22px auto 0; max-width: 15ch; font-weight: 850; letter-spacing: -0.02em;
}
.hero h1 .grad {
  color: var(--ink);
}
.hero p.lead { font-size: clamp(16px, 2.2vw, 20px); color: var(--muted); max-width: 60ch; margin: 20px auto 0; }
.hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 30px; }
.hero-note { margin-top: 14px; font-size: 13px; color: var(--dim); }

/* ---------- Feature strip ---------- */
.strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin: 46px 0; }
.strip .feat { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 18px; backdrop-filter: blur(6px); }
.strip .feat .ico { font-size: 22px; }
.strip .feat h4 { margin: 10px 0 4px; font-size: 15px; }
.strip .feat p { margin: 0; font-size: 13px; color: var(--muted); }

/* ---------- Section headings ---------- */
.section { padding: 40px 0; }
.section-head { text-align: center; margin-bottom: 32px; }
.section-head h2 { font-size: clamp(26px, 4vw, 38px); margin: 0; font-weight: 820; letter-spacing: -0.01em; }
.section-head p { color: var(--muted); margin: 10px auto 0; max-width: 56ch; }

/* ---------- Gallery (app screenshots) ---------- */
.shots { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: start; }
.shot { margin: 0; background: var(--card); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; backdrop-filter: blur(6px); }
.shot img { width: 100%; height: auto; display: block; border-bottom: 1px solid var(--line); }
.shot figcaption { padding: 14px 16px; font-size: 13px; color: var(--muted); line-height: 1.5; }
@media (max-width: 860px) { .shots { grid-template-columns: 1fr; max-width: 460px; margin: 0 auto; } }

/* ---------- Plans (free vs pro) ---------- */
.plans { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: start; }
.plan {
  position: relative; background: var(--card); border: 1px solid var(--line);
  border-radius: 18px; padding: 26px; backdrop-filter: blur(6px);
}
.plan.pro {
  border-color: rgba(255, 255, 255, 0.18);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.08), 0 20px 50px rgba(0, 0, 0, 0.5);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent 40%),
    var(--card);
}
.plan-tag {
  position: absolute; top: -12px; right: 22px;
  font-family: var(--mono); font-size: 11px; font-weight: 700; letter-spacing: 0.4px; text-transform: uppercase;
  color: #f5f5f5; background: #333333;
  padding: 4px 12px; border-radius: 999px;
}
.plan h3 { margin: 0; font-size: 15px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }
.plan .price { margin: 10px 0 2px; font-size: 40px; font-weight: 850; letter-spacing: -0.02em; }
.plan .price small { font-size: 15px; font-weight: 600; color: var(--muted); }
.plan .price.free { color: var(--ink); }
.plan .sub { font-size: 13px; color: var(--muted); min-height: 20px; }
.plan ul { list-style: none; margin: 20px 0 0; padding: 0; display: flex; flex-direction: column; gap: 11px; }
.plan li { display: flex; gap: 10px; font-size: 14.5px; align-items: flex-start; }
.plan li .ck { color: var(--ink); flex: 0 0 auto; margin-top: 1px; }
.plan.free li .ck { color: var(--ink); }
.plan li .x { color: var(--dim); flex: 0 0 auto; margin-top: 1px; }
.plan li.off { color: var(--dim); }
.plan .plan-cta { margin-top: 24px; }
.plan .plan-cta .btn { width: 100%; justify-content: center; }
.annual-note { text-align: center; margin-top: 18px; font-size: 13px; color: var(--muted); }
.annual-note b { color: var(--ink); }

/* ---------- Pricing sub-cards ---------- */
.price-toggle { display: flex; justify-content: center; gap: 14px; margin-bottom: 26px; flex-wrap: wrap; }
.price-pill {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 14px 22px; text-align: center; min-width: 180px;
}
.price-pill .pp-plan { font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }
.price-pill .pp-price { font-size: 24px; font-weight: 800; margin-top: 4px; }
.price-pill.best { border-color: rgba(255, 255, 255, 0.28); }
.price-pill .pp-save { font-size: 12px; color: var(--muted); font-weight: 700; margin-top: 2px; }

/* ---------- CTA band ---------- */
.cta-band {
  text-align: center; margin: 40px 0; padding: 44px 24px;
  border: 1px solid rgba(255, 255, 255, 0.14); border-radius: 22px;
  background:
    radial-gradient(600px 240px at 50% 0%, rgba(255, 255, 255, 0.04), transparent 70%),
    var(--card);
}
.cta-band h2 { margin: 0 0 8px; font-size: clamp(24px, 4vw, 34px); }
.cta-band p { color: var(--muted); margin: 0 0 22px; }

/* ---------- Footer ---------- */
.foot { border-top: 1px solid var(--line); margin-top: 30px; padding: 28px 0 40px; }
.foot-grid { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; align-items: center; }
.foot .company { font-size: 13px; color: var(--muted); }
.foot .company b { color: var(--ink); }
.foot nav { display: flex; gap: 18px; flex-wrap: wrap; }
.foot nav a { font-size: 13px; color: var(--muted); }
.foot nav a:hover { color: var(--ink); }
.foot .disclaimer { margin-top: 16px; font-size: 12px; color: var(--dim); }

/* ---------- Responsive ---------- */
@media (max-width: 820px) {
  .strip { grid-template-columns: 1fr 1fr; }
  .plans { grid-template-columns: 1fr; }
  .nav-links a:not(.btn) { display: none; }
}
@media (max-width: 480px) {
  .strip { grid-template-columns: 1fr; }
}