/* ═══════════════════════════════════════════
   AMOUR CRUISE — BOOKING PAGE
   Luxury palette: gold #c1a36b + #C9A55C + navy #0B1929 + cream #f5f4f0 + ink #2e2e2e
═══════════════════════════════════════════ */

:root {
  --bk-gold:        #c1a36b;
  --bk-gold-soft:   #d6bd8a;
  --bk-gold-dark:   #9d8348;
  --bk-gold-logo:   #C9A55C;
  --bk-gold-light:  #E5D4A1;
  --bk-cream:       #f5f4f0;
  --bk-cream-warm:  #faf6ec;
  --bk-ink:         #2e2e2e;
  --bk-ink-soft:    #5a5a5a;
  --bk-ink-faint:   #8a8a8a;
  --bk-navy:        #0B1929;
  --bk-navy-soft:   #1A2C45;
  --bk-navy-deep:   #050D17;
  --bk-line:        rgba(193, 163, 107, 0.25);

  --bk-serif: 'Playfair Display', Georgia, serif;
  --bk-ital:  'Cormorant Garamond', Georgia, serif;
  --bk-sans:  'Inter', system-ui, sans-serif;

  --bk-shadow-sm: 0 4px 16px rgba(46, 46, 46, 0.06);
  --bk-shadow:    0 14px 40px rgba(46, 46, 46, 0.1);
  --bk-shadow-lg: 0 30px 80px rgba(11, 25, 41, 0.25);
}

/* ═══════════════════════════════════════════
   HERO — Cinematic
═══════════════════════════════════════════ */
.bk-hero {
  position: relative;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  overflow: hidden;
  padding: 8rem 1.5rem 4rem;
}
.bk-hero-bg {
  position: absolute;
  inset: -5%;
  z-index: 0;
}
.bk-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: bk-kenburns 25s ease-in-out infinite alternate;
}
@keyframes bk-kenburns {
  from { transform: scale(1.05); }
  to   { transform: scale(1.15) translate(-2%, -2%); }
}
.bk-hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(11, 25, 41, 0.55) 0%, rgba(11, 25, 41, 0.85) 100%),
    radial-gradient(ellipse at center, rgba(193, 163, 107, 0.1) 0%, transparent 70%);
}

/* Corner ornaments */
.bk-hero-orn {
  position: absolute;
  width: 60px;
  height: 60px;
  z-index: 2;
  pointer-events: none;
}
.bk-hero-orn::before,
.bk-hero-orn::after {
  content: '';
  position: absolute;
  background: var(--bk-gold-light);
  opacity: 0.55;
}
.bk-hero-orn::before { width: 100%; height: 1px; }
.bk-hero-orn::after  { width: 1px; height: 100%; }
.bk-orn-tl { top: 2rem; left: 2rem; }
.bk-orn-tl::before, .bk-orn-tl::after { top: 0; left: 0; }
.bk-orn-tr { top: 2rem; right: 2rem; }
.bk-orn-tr::before, .bk-orn-tr::after { top: 0; right: 0; }
.bk-orn-bl { bottom: 2rem; left: 2rem; }
.bk-orn-bl::before, .bk-orn-bl::after { bottom: 0; left: 0; }
.bk-orn-br { bottom: 2rem; right: 2rem; }
.bk-orn-br::before, .bk-orn-br::after { bottom: 0; right: 0; }

.bk-hero-content {
  position: relative;
  z-index: 3;
  max-width: 820px;
  animation: bk-rise 1.4s cubic-bezier(0.16, 1, 0.3, 1) 0.2s backwards;
}
@keyframes bk-rise {
  from { opacity: 0; transform: translateY(40px); }
  to   { opacity: 1; transform: translateY(0); }
}

.bk-eyebrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.9rem;
  font-family: var(--bk-ital);
  font-style: italic;
  font-size: 0.82rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--bk-gold-light);
  margin-bottom: 1.25rem;
}
.bk-eyebrow::before,
.bk-eyebrow::after {
  content: '';
  width: 40px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--bk-gold-light), transparent);
}

.bk-hero-content h1 {
  font-family: var(--bk-serif);
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  font-weight: 400;
  color: #fff;
  margin: 0 0 1rem;
  line-height: 1.15;
  letter-spacing: -0.015em;
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}
.bk-hero-content p {
  font-family: var(--bk-ital);
  font-style: italic;
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  color: rgba(255, 255, 255, 0.88);
  line-height: 1.6;
  margin: 0;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

/* ═══════════════════════════════════════════
   SECTION
═══════════════════════════════════════════ */
.bk-section {
  padding: 5rem 0;
  background: var(--bk-cream);
}
@media (max-width: 640px) {
  .bk-section { padding: 3rem 0; }
}

.bk-intro {
  max-width: 760px;
  margin: 0 auto 3rem;
  text-align: center;
  color: var(--bk-ink-soft);
  line-height: 1.8;
  font-size: 1.02rem;
}
.bk-intro h2,
.bk-intro h3 {
  font-family: var(--bk-serif);
  color: var(--bk-ink);
  font-weight: 400;
  margin-bottom: 1rem;
}

/* ═══════════════════════════════════════════
   ALERTS
═══════════════════════════════════════════ */
.bk-alert {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  border-radius: 2px;
  margin-bottom: 2rem;
  max-width: 1180px;
  margin-left: auto;
  margin-right: auto;
  border-left: 3px solid;
  background: #fff;
  box-shadow: var(--bk-shadow-sm);
}
.bk-alert-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 700;
  flex-shrink: 0;
  color: #fff;
}
.bk-alert strong {
  display: block;
  margin-bottom: 0.25rem;
  font-family: var(--bk-serif);
  font-size: 1.05rem;
  font-weight: 500;
}
.bk-alert p { margin: 0; font-size: 0.92rem; line-height: 1.55; color: var(--bk-ink-soft); }

.bk-alert-success {
  border-left-color: #2C9F6B;
  color: #1f6d4a;
}
.bk-alert-success .bk-alert-icon { background: #2C9F6B; }
.bk-alert-error {
  border-left-color: #C97373;
  color: #8a3c3c;
}
.bk-alert-error .bk-alert-icon { background: #C97373; }

/* ═══════════════════════════════════════════
   GRID — Sidebar + Form
═══════════════════════════════════════════ */
.bk-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.4fr;
  gap: 2.5rem;
  align-items: start;
  max-width: 1180px;
  margin: 0 auto;
}
@media (max-width: 980px) {
  .bk-grid { grid-template-columns: 1fr; gap: 2rem; }
}

/* ═══════════════════════════════════════════
   SIDEBAR (Left)
═══════════════════════════════════════════ */
.bk-sidebar {
  position: sticky;
  top: 100px;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
@media (max-width: 980px) {
  .bk-sidebar { position: static; }
}

.bk-sidebar-card {
  background: linear-gradient(135deg, var(--bk-navy) 0%, var(--bk-navy-soft) 100%);
  color: #fff;
  border-radius: 2px;
  padding: 2.25rem 1.85rem;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(193, 163, 107, 0.25);
}
.bk-sidebar-card::before {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 220px; height: 220px;
  background: radial-gradient(circle, rgba(193, 163, 107, 0.18), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.bk-sidebar-card::after {
  content: '';
  position: absolute;
  bottom: -60px; left: -60px;
  width: 160px; height: 160px;
  background: radial-gradient(circle, rgba(229, 212, 161, 0.1), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.bk-sidebar-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--bk-ital);
  font-style: italic;
  font-size: 0.75rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--bk-gold-light);
  margin-bottom: 0.6rem;
  position: relative;
  z-index: 1;
}
.bk-sidebar-eyebrow::before {
  content: '';
  width: 22px;
  height: 1px;
  background: var(--bk-gold-light);
}

.bk-sidebar-card h3 {
  font-family: var(--bk-serif);
  font-size: 1.45rem;
  font-weight: 400;
  color: #fff;
  margin: 0 0 1.5rem;
  letter-spacing: -0.005em;
  position: relative;
  z-index: 1;
  line-height: 1.25;
}

.bk-perks {
  list-style: none;
  padding: 0;
  margin: 0;
  position: relative;
  z-index: 1;
}
.bk-perks li {
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 0.85rem;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(193, 163, 107, 0.15);
  align-items: start;
}
.bk-perks li:first-child { padding-top: 0; }
.bk-perks li:last-child { border-bottom: none; padding-bottom: 0; }

.bk-perk-ico {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--bk-gold) 0%, var(--bk-gold-dark) 100%);
  color: var(--bk-navy);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  flex-shrink: 0;
  box-shadow: 0 6px 14px rgba(193, 163, 107, 0.3);
}
.bk-perks strong {
  display: block;
  font-family: var(--bk-serif);
  font-size: 1rem;
  color: var(--bk-gold-light);
  font-weight: 500;
  margin-bottom: 0.25rem;
}
.bk-perks small {
  display: block;
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.83rem;
  line-height: 1.5;
}

/* Sidebar contact card */
.bk-sidebar-contact {
  background: #fff;
  border-radius: 2px;
  padding: 1.85rem 1.6rem;
  border: 1px solid var(--bk-line);
  border-top: 3px solid var(--bk-gold);
  box-shadow: var(--bk-shadow-sm);
}
.bk-sidebar-contact h4 {
  font-family: var(--bk-serif);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--bk-ink);
  margin: 0 0 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.bk-sidebar-contact h4 i { color: var(--bk-gold-dark); }
.bk-sidebar-contact p {
  color: var(--bk-ink-soft);
  font-size: 0.9rem;
  line-height: 1.55;
  margin: 0 0 1rem;
}

.bk-contact-link {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 0;
  color: var(--bk-ink);
  font-size: 0.94rem;
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px dashed var(--bk-line);
  transition: all 0.3s ease;
}
.bk-contact-link:last-child { border-bottom: none; }
.bk-contact-link i {
  width: 32px;
  height: 32px;
  background: var(--bk-cream-warm);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--bk-gold-dark);
  font-size: 0.95rem;
  flex-shrink: 0;
  transition: all 0.3s ease;
}
.bk-contact-link:hover {
  color: var(--bk-gold-dark);
  padding-left: 0.3rem;
}
.bk-contact-link:hover i {
  background: var(--bk-gold);
  color: #fff;
}

/* ═══════════════════════════════════════════
   FORM (Right)
═══════════════════════════════════════════ */
.bk-form-wrap {
  background: #fff;
  border-radius: 2px;
  padding: 2.75rem 2.5rem 2rem;
  box-shadow: var(--bk-shadow);
  border: 1px solid var(--bk-line);
  position: relative;
}
.bk-form-wrap::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--bk-gold) 0%, var(--bk-gold-dark) 100%);
}
@media (max-width: 540px) {
  .bk-form-wrap { padding: 1.85rem 1.5rem; }
}

/* Steps */
.bk-step {
  border: none;
  margin: 0 0 2.25rem;
  padding: 0;
}
.bk-step:last-of-type { margin-bottom: 1.5rem; }

.bk-step legend {
  display: flex;
  align-items: center;
  gap: 0.95rem;
  font-family: var(--bk-serif);
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--bk-ink);
  margin-bottom: 1.5rem;
  padding: 0 0 0.95rem;
  width: 100%;
  border-bottom: 1px solid var(--bk-line);
  letter-spacing: -0.005em;
}
.bk-step-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--bk-gold) 0%, var(--bk-gold-dark) 100%);
  color: var(--bk-navy);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--bk-serif);
  font-size: 0.9rem;
  font-weight: 700;
  flex-shrink: 0;
  box-shadow: 0 6px 14px rgba(193, 163, 107, 0.3);
}

/* Field rows */
.bk-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem 1.25rem;
}
@media (max-width: 540px) {
  .bk-row-2 { grid-template-columns: 1fr; }
}

.bk-field {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin-bottom: 1.15rem;
  width: 100%;
}
.bk-field > span {
  font-family: var(--bk-sans);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--bk-gold-dark);
  font-weight: 600;
}
.bk-field em {
  color: #C97373;
  font-style: normal;
  margin-left: 2px;
}

.bk-field input,
.bk-field select,
.bk-field textarea {
  padding: 0.9rem 1rem;
  border: 1px solid var(--bk-line);
  border-radius: 2px;
  font-family: var(--bk-sans);
  font-size: 0.96rem;
  color: var(--bk-ink);
  background: var(--bk-cream);
  transition: all 0.3s ease;
  width: 100%;
}
.bk-field input::placeholder,
.bk-field textarea::placeholder {
  color: var(--bk-ink-faint);
  font-style: italic;
}
.bk-field input:focus,
.bk-field select:focus,
.bk-field textarea:focus {
  outline: none;
  border-color: var(--bk-gold);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(193, 163, 107, 0.15);
}
.bk-field select {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%239d8348'%3E%3Cpath fill-rule='evenodd' d='M5.23 7.21a.75.75 0 011.06.02L10 11.06l3.71-3.83a.75.75 0 111.08 1.04l-4.25 4.39a.75.75 0 01-1.08 0L5.21 8.27a.75.75 0 01.02-1.06z' clip-rule='evenodd'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.85rem center;
  background-size: 18px;
  padding-right: 2.5rem;
  cursor: pointer;
}
.bk-field textarea {
  resize: vertical;
  min-height: 100px;
  line-height: 1.6;
}

.bk-hint {
  font-size: 0.78rem;
  color: var(--bk-ink-faint);
  font-style: italic;
  margin-top: 0.2rem;
}
.bk-err {
  color: #C97373;
  font-size: 0.82rem;
  margin-top: 0.25rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}
.bk-err::before {
  content: '!';
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  background: #C97373;
  color: #fff;
  border-radius: 50%;
  font-size: 0.65rem;
  font-weight: 700;
  flex-shrink: 0;
}

/* Checkbox */
.bk-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem 1.1rem;
  cursor: pointer;
  font-size: 0.93rem;
  color: var(--bk-ink);
  line-height: 1.55;
  background: var(--bk-cream-warm);
  border: 1px solid var(--bk-line);
  border-radius: 2px;
  margin-top: 0.5rem;
  transition: all 0.3s ease;
}
.bk-checkbox:hover {
  border-color: var(--bk-gold);
  background: #fff;
}
.bk-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  flex-shrink: 0;
  accent-color: var(--bk-gold-dark);
  cursor: pointer;
}
.bk-checkbox span a {
  color: var(--bk-gold-dark);
  text-decoration: underline;
  font-weight: 500;
}
.bk-checkbox span a:hover { color: var(--bk-ink); }

/* Submit */
.bk-actions {
  margin-top: 1.75rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--bk-line);
}
.bk-submit {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  background: linear-gradient(135deg, var(--bk-gold) 0%, var(--bk-gold-dark) 100%);
  color: var(--bk-navy);
  border: none;
  padding: 1.15rem 2rem;
  border-radius: 2px;
  font-family: var(--bk-sans);
  font-size: 0.84rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.45s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  box-shadow: 0 14px 36px rgba(193, 163, 107, 0.4);
}
.bk-submit::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.45), transparent);
  transform: translateX(-100%);
  transition: transform 0.7s ease;
}
.bk-submit:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 48px rgba(193, 163, 107, 0.55);
}
.bk-submit:hover::before { transform: translateX(100%); }
.bk-submit i { transition: transform 0.3s ease; }
.bk-submit:hover i { transform: translateX(5px); }

.bk-trust {
  text-align: center;
  margin: 1.15rem 0 0;
  font-size: 0.82rem;
  color: var(--bk-ink-soft);
  font-family: var(--bk-ital);
  font-style: italic;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
}
.bk-trust i { color: var(--bk-gold-dark); }

/* ═══════════════════════════════════════════
   REVEAL
═══════════════════════════════════════════ */
.bk-sidebar.reveal,
.bk-form-wrap.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}
.bk-sidebar.reveal.is-visible,
.bk-sidebar.reveal.visible,
.bk-sidebar.reveal.in,
.bk-form-wrap.reveal.is-visible,
.bk-form-wrap.reveal.visible,
.bk-form-wrap.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

/* ═══════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════ */
@media (max-width: 768px) {
  .bk-hero { min-height: 50vh; padding: 6rem 1.25rem 3rem; }
  .bk-hero-orn { width: 36px; height: 36px; }
  .bk-orn-tl, .bk-orn-tr { top: 1rem; }
  .bk-orn-bl, .bk-orn-br { bottom: 1rem; }
  .bk-orn-tl, .bk-orn-bl { left: 1rem; }
  .bk-orn-tr, .bk-orn-br { right: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1 !important; transform: none !important; }
}