/* ═══════════════════════════════════════════════
   I.I.S.T.A. — Booking Form Styles
═══════════════════════════════════════════════ */

.booking-page { background: var(--bg); }

/* ── HERO ── */
.bk-hero {
  position: relative;
  min-height: 42vh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; text-align: center;
  padding-top: 64px;
}
#bkCanvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%; z-index: 0;
}
.bk-hero-grid {
  position: absolute; inset: 0; z-index: 1;
  background-image:
    linear-gradient(rgba(0,212,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 100%);
}
.bk-hero-content {
  position: relative; z-index: 2;
  padding: 60px 24px 40px;
}
.bk-hero-title {
  font-family: var(--font-head);
  font-size: clamp(2.2rem, 6vw, 4.5rem);
  font-weight: 900; letter-spacing: .08em;
  color: var(--green);
  text-shadow: var(--glow-green);
  margin: 16px 0 12px;
  animation: fadeInDown .6s ease .3s backwards;
}
.bk-hero-sub {
  font-family: var(--font-mono); font-size: .65rem;
  letter-spacing: .1em; color: var(--text-dim);
  line-height: 1.8;
  animation: fadeIn .6s ease .5s backwards;
}
.req-star { color: var(--red); }

/* ── PROGRESS BAR ── */
.bk-progress-wrap {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 20px clamp(16px, 6vw, 80px);
  position: sticky; top: 64px; z-index: 100;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
.bk-progress-inner {
  display: flex; align-items: center; justify-content: center;
  max-width: 600px; margin: 0 auto;
}
.bk-step {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  flex: 0 0 auto;
}
.bk-step-dot {
  width: 32px; height: 32px; border-radius: 50%;
  border: 1px solid var(--border2);
  background: var(--bg);
  font-family: var(--font-head); font-size: .6rem;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-dim); transition: all .3s;
}
.bk-step.active .bk-step-dot {
  border-color: var(--green); color: var(--green);
  box-shadow: 0 0 12px rgba(0,255,136,.3);
  background: rgba(0,255,136,.06);
}
.bk-step.done .bk-step-dot {
  border-color: var(--cyan); background: var(--cyan);
  color: var(--bg); box-shadow: 0 0 10px var(--cyan);
}
.bk-step-label {
  font-family: var(--font-mono); font-size: .42rem;
  letter-spacing: .15em; color: var(--text-dim);
  transition: color .3s;
}
.bk-step.active .bk-step-label { color: var(--green); }
.bk-step.done  .bk-step-label { color: var(--cyan); }
.bk-step-line {
  flex: 1; height: 1px; margin: 0 8px; margin-bottom: 20px;
  background: linear-gradient(90deg, var(--border2), var(--border));
  min-width: 40px; max-width: 120px;
}

/* ── MAIN FORM AREA ── */
.bk-main {
  max-width: 860px; margin: 0 auto;
  padding: 48px clamp(16px, 5vw, 48px) 80px;
}

/* ── SECTIONS ── */
.bk-section {
  display: none;
  animation: fadeInUp .4s ease;
}
.bk-section.active { display: block; }
.bk-section-header { margin-bottom: 36px; }
.bk-section-title {
  font-family: var(--font-head);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 900; letter-spacing: .06em;
  color: #fff; margin-bottom: 16px;
}

/* ── GRID ── */
.bk-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px 32px;
}
.bk-field--full { grid-column: 1 / -1; }
@media (max-width: 600px) {
  .bk-grid { grid-template-columns: 1fr; }
  .bk-field--full { grid-column: auto; }
}

/* ── FIELD ── */
.bk-field { display: flex; flex-direction: column; gap: 6px; }
.bk-label {
  font-family: var(--font-mono); font-size: .55rem;
  letter-spacing: .18em; color: var(--text-dim);
}
.bk-input-wrap {
  position: relative;
}
.bk-input {
  width: 100%;
  background: transparent;
  border: none; border-bottom: none;
  padding: 10px 4px 10px;
  font-family: var(--font-mono); font-size: .75rem;
  color: var(--text); letter-spacing: .05em;
  outline: none;
  transition: color .2s;
  background: rgba(0,20,40,.4);
  border-radius: 3px 3px 0 0;
  padding: 12px 14px 10px;
}
.bk-input::placeholder { color: var(--text-dim); opacity: .5; }
.bk-input:focus { color: #fff; }
.bk-input-line {
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 1px;
  background: var(--border2);
  transition: background .3s, box-shadow .3s;
}
.bk-input:focus ~ .bk-input-line {
  background: var(--green);
  box-shadow: 0 0 8px rgba(0,255,136,.4);
}
.bk-input.error ~ .bk-input-line { background: var(--red); }
.bk-input.valid ~ .bk-input-line { background: var(--cyan); }

/* Select */
.bk-select-wrap { position: relative; }
.bk-select {
  appearance: none; -webkit-appearance: none;
  cursor: none; padding-right: 32px !important;
}
.bk-select-arrow {
  position: absolute; right: 12px; top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim); font-size: .7rem;
  pointer-events: none;
}
option { background: #000818; color: var(--text); }

/* Textarea */
.bk-textarea {
  resize: vertical; min-height: 80px;
  border-radius: 3px 3px 0 0;
  line-height: 1.6;
}

/* Phone */
.bk-phone-wrap {
  display: flex; gap: 0;
}
.bk-phone-code {
  flex: 0 0 130px;
}
.bk-phone-code .bk-input { border-radius: 3px 0 0 0; }
.bk-phone-num { flex: 1; }
.bk-phone-num .bk-input { border-radius: 0 3px 0 0; border-left: 1px solid var(--border2); }

/* Hints */
.bk-hint {
  font-family: var(--font-mono); font-size: .5rem;
  color: var(--text-dim); letter-spacing: .06em;
}
.bk-char-count {
  font-family: var(--font-mono); font-size: .5rem;
  color: var(--text-dim); text-align: right;
}
.bk-error {
  font-family: var(--font-mono); font-size: .52rem;
  color: var(--red); letter-spacing: .06em;
  min-height: 1em;
}
.bk-error--global {
  text-align: center; font-size: .6rem;
  margin-bottom: 12px;
  padding: 8px 12px; border-radius: 3px;
  background: rgba(255,34,68,.08);
  border: 1px solid rgba(255,34,68,.3);
  display: none;
}
.bk-error--global.show { display: block; }

/* ── NAV BUTTONS ── */
.bk-nav-btns {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 40px; gap: 16px;
}

/* ── PACKAGES ── */
.bk-packages {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px; margin-bottom: 32px;
}
.bk-pkg {
  position: relative;
  border: 1px solid var(--border2);
  border-radius: 6px; padding: 24px;
  cursor: none;
  transition: border-color .3s, box-shadow .3s, background .3s;
  background: var(--bg3);
  overflow: hidden;
}
.bk-pkg::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(0,255,136,.04), transparent);
  opacity: 0; transition: opacity .3s;
}
.bk-pkg.active {
  border-color: var(--green);
  box-shadow: 0 0 20px rgba(0,255,136,.15);
  background: rgba(0,255,136,.04);
}
.bk-pkg.active::before { opacity: 1; }
.bk-pkg:hover:not(.active) { border-color: var(--border2); background: rgba(255,255,255,.02); }
.bk-pkg-icon { font-size: 2rem; margin-bottom: 10px; }
.bk-pkg-name {
  font-family: var(--font-head); font-size: 1rem; font-weight: 700;
  color: #fff; letter-spacing: .06em; margin-bottom: 4px;
}
.bk-pkg-stops {
  font-family: var(--font-mono); font-size: .5rem;
  letter-spacing: .15em; color: var(--green);
  margin-bottom: 12px;
}
.bk-pkg-desc {
  font-size: .78rem; color: var(--text-dim); line-height: 1.6;
}
.bk-pkg-badge {
  position: absolute; top: 12px; right: 12px;
  font-family: var(--font-mono); font-size: .42rem;
  letter-spacing: .12em; color: var(--bg);
  background: var(--green); padding: 3px 8px; border-radius: 2px;
}

/* ── DESTINATION CHECKLIST ── */
.bk-dest-list {
  display: none;
  border: 1px solid var(--border2); border-radius: 6px;
  padding: 24px; background: var(--bg3);
  animation: fadeInUp .3s ease;
}
.bk-dest-list.show { display: block; }
.bk-dest-list-title {
  font-family: var(--font-mono); font-size: .58rem;
  letter-spacing: .2em; color: var(--cyan);
  margin-bottom: 20px;
}
.bk-dest-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 10px;
}
.bk-dest-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 14px; border-radius: 4px;
  border: 1px solid var(--border2);
  cursor: none; transition: border-color .2s, background .2s;
  position: relative; overflow: hidden;
}
.bk-dest-item:hover { background: rgba(255,255,255,.02); }
.bk-dest-item.checked {
  border-color: var(--dest-color, var(--cyan));
  background: rgba(0,212,255,.08);
  background: color-mix(in srgb, var(--dest-color, var(--cyan)) 8%, transparent);
}
.bk-dest-item input[type=checkbox] { display: none; }
.bk-dest-checkbox {
  width: 16px; height: 16px; border-radius: 2px;
  border: 1px solid var(--text-dim); flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  transition: border-color .2s, background .2s;
  font-size: .6rem;
}
.bk-dest-item.checked .bk-dest-checkbox {
  border-color: var(--dest-color, var(--cyan));
  background: var(--dest-color, var(--cyan));
  color: var(--bg);
}
.bk-dest-info { flex: 1; }
.bk-dest-num {
  font-family: var(--font-mono); font-size: .42rem;
  letter-spacing: .12em; color: var(--text-dim);
}
.bk-dest-name {
  font-family: var(--font-head); font-size: .7rem; font-weight: 700;
  color: #fff;
}
.bk-dest-icon { width: 36px; height: 36px; flex-shrink: 0; object-fit: cover; border-radius: 50%; filter: drop-shadow(0 0 4px rgba(255,255,255,.2)); }

/* ── SUMMARY ── */
.bk-summary {
  background: var(--bg3); border: 1px solid var(--border2);
  border-radius: 6px; padding: 24px; margin-bottom: 24px;
}
.bk-summary-section { margin-bottom: 20px; }
.bk-summary-section:last-child { margin-bottom: 0; }
.bk-sum-title {
  font-family: var(--font-mono); font-size: .55rem;
  letter-spacing: .2em; color: var(--cyan);
  padding-bottom: 8px; border-bottom: 1px solid var(--border2);
  margin-bottom: 12px;
}
.bk-sum-row {
  display: flex; justify-content: space-between; align-items: flex-start;
  padding: 5px 0; border-bottom: 1px solid rgba(10,32,64,.5);
  gap: 16px;
}
.bk-sum-row:last-child { border-bottom: none; }
.bk-sum-key {
  font-family: var(--font-mono); font-size: .52rem;
  color: var(--text-dim); flex-shrink: 0;
  letter-spacing: .06em;
}
.bk-sum-val {
  font-family: var(--font-mono); font-size: .55rem;
  color: var(--text); text-align: right;
}
.bk-sum-val.green { color: var(--green); }

/* ── FLIGHT BOX ── */
.bk-flight-box {
  border: 1px solid rgba(0,255,136,.2);
  border-radius: 6px; padding: 20px; margin-bottom: 28px;
  background: rgba(0,255,136,.03);
}
.bfb-title {
  font-family: var(--font-mono); font-size: .55rem;
  letter-spacing: .2em; color: var(--green);
  margin-bottom: 14px; text-shadow: var(--glow-green);
}
.bfb-row {
  display: flex; justify-content: space-between;
  padding: 5px 0; border-bottom: 1px solid rgba(0,40,80,.5);
  font-family: var(--font-mono); font-size: .55rem;
}
.bfb-row:last-child { border-bottom: none; }
.bfb-row span:first-child { color: var(--text-dim); }
.bfb-row span:last-child { color: var(--text); }

/* ── LEGAL ── */
.bk-legal {
  display: flex; flex-direction: column; gap: 16px;
  margin-bottom: 28px;
}
.bk-check-label {
  display: flex; align-items: flex-start; gap: 12px;
  cursor: none;
}
.bk-check { display: none; }
.bk-check-box {
  width: 18px; height: 18px; flex-shrink: 0;
  border: 1px solid var(--border2); border-radius: 2px;
  background: var(--bg3); margin-top: 2px;
  display: flex; align-items: center; justify-content: center;
  font-size: .7rem; color: var(--bg);
  transition: border-color .2s, background .2s;
}
.bk-check:checked + .bk-check-box {
  background: var(--green); border-color: var(--green);
  box-shadow: 0 0 8px rgba(0,255,136,.3);
}
.bk-check-box::after { content: ''; }
.bk-check:checked + .bk-check-box::after { content: '✓'; }
.bk-check-label span {
  font-family: var(--font-mono); font-size: .56rem;
  color: var(--text); line-height: 1.6; letter-spacing: .03em;
}
.bk-link { color: var(--cyan); text-decoration: underline; }

/* ── SUCCESS ── */
.bk-success {
  display: none;
  text-align: center; padding: 80px 24px;
  animation: fadeIn .6s ease;
}
.bk-success.show { display: block; }
.bk-success-inner { max-width: 560px; margin: 0 auto; }
.bk-success-icon { font-size: 4rem; margin-bottom: 16px; animation: float 3s ease-in-out infinite; }
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-12px)} }
.bk-success-title {
  font-family: var(--font-head);
  font-size: clamp(2rem, 5vw, 3rem); font-weight: 900;
  color: var(--green); text-shadow: var(--glow-green);
  margin: 16px 0 24px; letter-spacing: .08em;
}
.bk-success-ref-label {
  font-family: var(--font-mono); font-size: .55rem;
  letter-spacing: .2em; color: var(--text-dim); margin-bottom: 6px;
}
.bk-success-ref {
  font-family: var(--font-head); font-size: 1.6rem; font-weight: 900;
  color: var(--cyan); text-shadow: var(--glow-cyan);
  letter-spacing: .1em; margin-bottom: 28px;
}
.bk-success-msg {
  font-size: .9rem; color: var(--text); line-height: 1.8;
  margin-bottom: 28px;
}
.bk-success-msg strong { color: var(--green); }
.bk-success-details {
  background: var(--bg3); border: 1px solid var(--border2);
  border-radius: 6px; padding: 20px; margin-bottom: 20px;
  text-align: left;
}
.bk-success-warn {
  font-family: var(--font-mono); font-size: .55rem;
  color: var(--orange); background: rgba(255,102,0,.08);
  border-left: 2px solid var(--orange);
  padding: 10px 14px; border-radius: 2px;
  text-align: left;
}

/* ── LOADING SPINNER ON SUBMIT ── */
.btn-primary.loading span { opacity: .5; }
.btn-primary.loading::after {
  content: '';
  display: inline-block; width: 14px; height: 14px;
  border: 2px solid rgba(0,0,8,.3);
  border-top-color: var(--bg);
  border-radius: 50%;
  animation: spin .7s linear infinite;
  margin-left: 10px;
  vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }