/* ============================================================================
   ZEPHYR AIR — THEME
   Brand colours live in the variables below — tweak these to re-skin the app.
   ========================================================================== */
:root {
  --navy:      #14344b;   /* headings, header bar */
  --navy-deep: #0d2334;
  --sky:       #2b9fd8;   /* primary action / accent */
  --sky-deep:  #1d7fb0;
  --sky-soft:  #e9f5fc;
  --ink:       #223140;
  --muted:     #5c6d7a;
  --line:      #d9e4ec;
  --bg:        #f3f7fa;
  --card:      #ffffff;
  --ok:        #1d9e5f;
  --warn-bg:   #fff6e8;
  --warn:      #9a6200;
  --danger:    #c0392b;
  --radius:    14px;
  --shadow:    0 1px 2px rgba(13,35,52,.06), 0 8px 28px rgba(13,35,52,.08);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; color: var(--ink); background: var(--bg);
  font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* ---- header ---- */
.topbar { background: var(--navy); color: #fff; }
.topbar-in { display: flex; align-items: center; gap: 14px; padding: 14px 20px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; }
.brand-fan { width: 30px; height: 30px; color: var(--sky); }
.brand-name { font-weight: 800; letter-spacing: .16em; font-size: 19px; }
.tagline { opacity: .75; font-size: 14px; }

/* ---- hero ---- */
.hero { padding: 34px 0 8px; }
.hero h1 { color: var(--navy); font-size: clamp(24px, 4vw, 34px); line-height: 1.2; margin: 0 0 10px; }
.hero p { color: var(--muted); max-width: 640px; margin: 0; }

/* ---- cards & steps ---- */
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 24px; margin: 22px 0;
}
.card h2 { color: var(--navy); font-size: 20px; margin: 0 0 16px; display: flex; align-items: center; gap: 10px; }
.step-n {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px; border-radius: 50%; background: var(--sky); color: #fff;
  font-size: 15px; font-weight: 700; flex: 0 0 auto;
}
.card h3 { color: var(--navy); font-size: 16px; margin: 20px 0 8px; }

/* ---- inputs ---- */
.fields { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; }
label { display: flex; flex-direction: column; gap: 6px; font-size: 14px; font-weight: 600; color: var(--navy); }
input[type="text"], input[type="email"], input[type="tel"], input[type="number"], textarea {
  border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; font: inherit;
  font-weight: 500; color: var(--ink); background: #fff; width: 100%;
}
input:focus, textarea:focus { outline: 2px solid var(--sky); outline-offset: 0; border-color: var(--sky); }
.opts { display: flex; gap: 22px; flex-wrap: wrap; margin: 16px 0 4px; }
.opt { flex-direction: row; align-items: center; gap: 8px; font-weight: 500; color: var(--ink); }
.opt input { width: 18px; height: 18px; accent-color: var(--sky); }

.btn-primary {
  margin-top: 14px; background: var(--sky); color: #fff; border: 0; cursor: pointer;
  font: inherit; font-weight: 700; padding: 12px 26px; border-radius: 999px;
  transition: background .15s ease, transform .05s ease;
}
.btn-primary:hover { background: var(--sky-deep); }
.btn-primary:active { transform: translateY(1px); }
.btn-primary[disabled] { opacity: .55; cursor: wait; }

.fineprint { color: var(--muted); font-size: 13px; margin: 12px 0 0; }
.error { color: var(--danger); font-weight: 600; }

/* ---- viz ---- */
.viz-holder { border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: #fdfefe; }
#viz { display: block; width: 100%; height: auto; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.chip {
  background: var(--sky-soft); color: var(--navy); border: 1px solid #cfe7f5;
  padding: 5px 12px; border-radius: 999px; font-size: 13px; font-weight: 600;
}
.warning-box {
  background: var(--warn-bg); border: 1px solid #f0d9a8; color: var(--warn);
  border-radius: 10px; padding: 10px 14px; margin-top: 12px; font-size: 14px;
}

/* ---- quote ---- */
.quote-table { width: 100%; border-collapse: collapse; margin: 6px 0 4px; font-size: 15px; }
.quote-table th { text-align: left; color: var(--muted); font-size: 12.5px; text-transform: uppercase; letter-spacing: .06em; padding: 8px 10px; border-bottom: 2px solid var(--line); }
.quote-table td { padding: 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.quote-table .num { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
.quote-table tfoot td { border-bottom: 0; padding: 7px 10px; }
.quote-table .total-row td { font-size: 18px; font-weight: 800; color: var(--navy); border-top: 2px solid var(--navy); }
.quote-meta { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; color: var(--muted); font-size: 13px; margin-bottom: 10px; }
.assumptions { background: var(--sky-soft); border-radius: 10px; padding: 12px 16px; margin-top: 14px; font-size: 14px; }
.assumptions ul { margin: 6px 0 0; padding-left: 20px; }

.callout {
  border-left: 4px solid var(--sky); background: var(--sky-soft);
  border-radius: 8px; padding: 14px 16px; margin-top: 18px;
}
.callout p { margin: 6px 0 0; }
.disclaimers { color: var(--muted); font-size: 13.5px; }
.disclaimers ul { padding-left: 20px; margin: 4px 0; }

/* ---- email form ---- */
#email-form { border-top: 1px solid var(--line); margin-top: 20px; padding-top: 6px; }
.form-grid { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
label.full { margin-top: 12px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
#email-status { font-weight: 600; margin-top: 10px; }
#email-status.ok { color: var(--ok); }
#email-status.err { color: var(--danger); }

/* ---- footer ---- */
footer { background: var(--navy-deep); color: #cfe0ec; margin-top: 36px; padding: 22px 0; font-size: 14px; }
footer a { color: #7ec6ea; }

@media (max-width: 560px) {
  .card { padding: 18px; }
  .opts { gap: 12px; }
}
@media print {
  .topbar, #step-inputs, #email-form, footer, .callout, .btn-primary { display: none !important; }
  .card { box-shadow: none; border: 0; margin: 0; padding: 0 0 18px; }
  body { background: #fff; }
}