/* Book-a-Demo page (extends the shared marketing theme in styles.css) */

.booking-hero { position: relative; padding: 4rem 0 2rem; overflow: hidden; }
.booking-hero .hero-glow { position: absolute; inset: -20% -10% auto; height: 420px; background: radial-gradient(600px 300px at 25% 20%, rgba(56,189,248,.16), transparent), radial-gradient(600px 300px at 75% 10%, rgba(45,212,191,.12), transparent); pointer-events: none; }
.booking-hero h1 { font-size: clamp(2.2rem, 4.6vw, 3.4rem); }
.booking-hero .sub { margin-top: 1rem; }

.booking-section { padding: 2rem 0 4rem; }
.booking-grid { max-width: 1100px; margin: 0 auto; }

/* Panels */
.panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 20px;
  padding: 1.8rem;
}
.panel-title { font-size: 1.15rem; margin-bottom: 1.1rem; }
.panel-title + .field { margin-top: 0; }

/* Form fields */
.field { margin-bottom: 1.1rem; }
.field label { display: block; font-size: 0.85rem; font-weight: 700; margin-bottom: 0.4rem; }
.field .optional { color: var(--faint); font-weight: 500; }
.field input,
.field select,
.field textarea {
  width: 100%;
  background: rgba(0,0,0,.35);
  border: 1px solid var(--panel-border);
  color: var(--foreground);
  border-radius: 12px;
  padding: 0.8rem 1rem;
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color .15s ease;
}
.field textarea { resize: vertical; min-height: 84px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--accent); }
.field input::placeholder, .field textarea::placeholder { color: var(--faint); }
.field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 20px) 55%, calc(100% - 14px) 55%; background-size: 6px 6px; background-repeat: no-repeat; }
.field select:invalid { color: var(--faint); }
.field select option { background: var(--surface-2); color: var(--foreground); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* Interest chips */
.chip-group { display: flex; flex-wrap: wrap; gap: 0.55rem; margin-bottom: 1.2rem; }
.chip-input { position: relative; cursor: pointer; }
.chip-input input { position: absolute; opacity: 0; pointer-events: none; }
.chip-input span {
  display: inline-flex; align-items: center;
  font-size: 0.82rem; font-weight: 600; color: var(--muted);
  border: 1px solid var(--panel-border); border-radius: 999px;
  padding: 0.42rem 0.9rem; background: rgba(255,255,255,.03);
  transition: border-color .15s ease, color .15s ease, background .15s ease;
}
.chip-input:hover span { border-color: rgba(56,189,248,.4); color: var(--foreground); }
.chip-input input:checked + span { border-color: rgba(56,189,248,.55); color: var(--accent); background: rgba(56,189,248,.09); }
.chip-input input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Honeypot */
.hp-field { position: absolute; left: -9999px; top: -9999px; }

/* Calendar */
.cal-card { margin-top: 1.4rem; }
.cal-tz { color: var(--faint); font-size: 0.82rem; margin: -0.5rem 0 1rem; }
.cal-head { display: flex; align-items: center; justify-content: space-between; gap: 0.6rem; margin-bottom: 0.8rem; }
.cal-head strong { font-size: 1rem; }
.cal-nav {
  background: rgba(255,255,255,.04); border: 1px solid var(--panel-border);
  color: var(--foreground); width: 34px; height: 34px; border-radius: 10px;
  cursor: pointer; font-size: 1rem; line-height: 1;
  transition: border-color .15s ease, background .15s ease;
}
.cal-nav:hover:not(:disabled) { border-color: var(--accent); background: rgba(56,189,248,.08); }
.cal-nav:disabled { opacity: 0.35; cursor: not-allowed; }
.cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.cal-dow span { text-align: center; font-size: 0.7rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--faint); padding: 0.3rem 0; }
.cal-day {
  position: relative; aspect-ratio: 1 / 1; border-radius: 10px;
  background: rgba(255,255,255,.03); border: 1px solid transparent;
  color: var(--foreground); font-size: 0.86rem; font-weight: 600;
  cursor: pointer; transition: border-color .15s ease, background .15s ease;
}
.cal-day:hover:not(:disabled) { border-color: rgba(56,189,248,.5); background: rgba(56,189,248,.08); }
.cal-day:disabled { color: var(--faint); opacity: 0.4; cursor: not-allowed; background: rgba(255,255,255,.015); }
.cal-day.is-today::after { content: ""; position: absolute; bottom: 5px; left: 50%; transform: translateX(-50%); width: 4px; height: 4px; border-radius: 50%; background: var(--teal); }
.cal-day.is-selected { background: linear-gradient(135deg, rgba(56,189,248,.25), rgba(45,212,191,.18)); border-color: rgba(56,189,248,.7); }

/* Slots */
.slots-wrap { margin-top: 1.2rem; }
.slots-label { font-size: 0.85rem; font-weight: 700; color: var(--muted); margin-bottom: 0.7rem; }
.slots { display: flex; flex-wrap: wrap; gap: 0.55rem; min-height: 38px; }
.slot-btn {
  display: inline-flex; flex-direction: column; align-items: center; gap: 1px;
  background: rgba(255,255,255,.03); border: 1px solid var(--panel-border);
  color: var(--foreground); border-radius: 12px; padding: 0.5rem 0.9rem;
  font-family: inherit; font-size: 0.88rem; font-weight: 700; cursor: pointer;
  transition: border-color .15s ease, background .15s ease;
}
.slot-btn small { font-size: 0.68rem; font-weight: 600; color: var(--faint); }
.slot-btn:hover { border-color: rgba(56,189,248,.5); background: rgba(56,189,248,.07); }
.slot-btn.is-selected { border-color: rgba(56,189,248,.8); background: rgba(56,189,248,.14); }
.slots-empty { color: var(--faint); font-size: 0.85rem; }

/* Selected-slot summary */
.slot-summary {
  margin-top: 1.1rem; padding: 0.85rem 1rem;
  background: rgba(45,212,191,.07); border: 1px solid rgba(45,212,191,.3);
  border-radius: 12px; font-size: 0.86rem; line-height: 1.55; color: var(--foreground);
}
.slot-summary strong { color: var(--teal); }

/* Submit row */
.submit-row { margin-top: 1.6rem; text-align: center; }
.submit-note { margin-top: 0.7rem; font-size: 0.82rem; color: var(--faint); }
.form-error {
  margin: 0 auto 0.9rem; max-width: 560px;
  background: rgba(248,113,113,.09); border: 1px solid rgba(248,113,113,.4);
  color: #fca5a5; border-radius: 12px; padding: 0.7rem 1rem; font-size: 0.88rem;
}
#bkSubmit:disabled { opacity: 0.6; cursor: wait; transform: none; }

/* Success */
.success-panel {
  background: linear-gradient(150deg, rgba(14,165,233,.14), rgba(45,212,191,.07)), var(--surface);
  border: 1px solid rgba(56,189,248,.3); border-radius: 28px;
  padding: 3.5rem 2rem; text-align: center;
}
.success-icon {
  width: 64px; height: 64px; border-radius: 50%; margin: 0 auto 1.4rem;
  background: rgba(52,211,153,.12); border: 1px solid rgba(52,211,153,.45);
  display: flex; align-items: center; justify-content: center;
}
.success-icon svg { width: 30px; height: 30px; stroke: var(--emerald); stroke-width: 2.5; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.success-panel h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
.success-panel > p { color: var(--muted); margin: 0.8rem auto 0.4rem; max-width: 34rem; }
.success-ref { font-size: 0.82rem; color: var(--faint) !important; }
.success-panel .btn { margin-top: 1.6rem; }

/* Footer tweak (footer-bottom is flex; add spacing) */
.footer { padding-top: 2.5rem; }
.footer-bottom { justify-content: center; }

/* Responsive */
@media (max-width: 900px) {
  .booking-grid { display: block; }
  .cal-card { margin-top: 1.2rem; }
}
@media (max-width: 560px) {
  .field-row { grid-template-columns: 1fr; }
  .panel { padding: 1.4rem 1.2rem; }
  .submit-row .btn { width: 100%; }
}