/* ═══════════════════════════════════════════════════════
   COMBO BUILDER — Atacama Personalizado
   Namespaced under .combo-section
   ═══════════════════════════════════════════════════════ */

.combo-section, .combo-section *, .combo-section *::before, .combo-section *::after {
  box-sizing: border-box;
}
.combo-section h2, .combo-section h3, .combo-section h4, .combo-section p, .combo-section button { margin: 0; }

.combo-section {
  --cmb-radius: 16px;
  --cmb-radius-sm: 10px;
  --cmb-t: 0.32s cubic-bezier(0.22, 0.61, 0.36, 1);
  --cmb-shadow: 0 2px 16px rgba(28,27,26,0.05);
  --cmb-shadow-lift: 0 12px 40px rgba(28,27,26,0.10);
  --cmb-soft: #f3faf5;

  padding: 96px 0 80px;
  background: var(--bg, #F7F8FA);
  position: relative;
  overflow: hidden;
}
.combo-section::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 10% 10%, rgba(61,122,74,0.05) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(61,122,74,0.04) 0%, transparent 45%);
  pointer-events: none;
}
.combo-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  position: relative;
}

/* ── HEADER ── */
.combo-head { margin-bottom: 48px; max-width: 720px; }
.combo-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--accent);
  margin-bottom: 14px;
}
.combo-eyebrow-dot {
  width: 6px; height: 6px; background: var(--accent);
  border-radius: 50%;
  animation: cmbPulse 1.8s ease-in-out infinite;
}
@keyframes cmbPulse {
  0%, 100% { transform: scale(0.85); opacity: 0.5; }
  50% { transform: scale(1.15); opacity: 1; }
}
.combo-title {
  font-size: clamp(28px, 3.4vw, 44px);
  font-weight: 700; letter-spacing: -0.03em;
  line-height: 1.1; margin-bottom: 12px;
  color: var(--text); text-wrap: pretty;
}
.combo-title em { font-style: italic; font-weight: 300; color: var(--muted); }
.combo-sub {
  font-size: 16px; color: var(--muted);
  line-height: 1.65; max-width: 560px;
}

/* ── CONTROLS (days + people) ── */
.combo-controls {
  display: grid;
  grid-template-columns: 1.4fr 1fr auto;
  gap: 16px;
  margin-bottom: 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--cmb-radius);
  padding: 18px 22px;
  box-shadow: var(--cmb-shadow);
}
.combo-control { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.combo-control-label {
  font-size: 10px; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--muted);
}
.combo-control-row {
  display: flex; gap: 6px; align-items: center; flex-wrap: nowrap;
}
.combo-pill {
  font-family: inherit;
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--text);
  padding: 8px 14px;
  border-radius: 100px;
  font-size: 13px; font-weight: 600;
  cursor: pointer;
  transition: all var(--cmb-t);
  white-space: nowrap;
}
.combo-pill:hover { border-color: var(--accent); color: var(--accent); }
.combo-pill.selected {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  box-shadow: 0 4px 12px rgba(61,122,74,0.25);
}

.combo-suggest-btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: inherit;
  background: var(--text); color: #fff;
  border: none;
  padding: 11px 18px;
  border-radius: 10px;
  font-size: 12px; font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: all var(--cmb-t);
  white-space: nowrap;
  align-self: end;
}
.combo-suggest-btn:hover {
  background: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(61,122,74,0.28);
}
.combo-suggest-btn svg { width: 14px; height: 14px; }

/* ── MAIN GRID ── */
.combo-main {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 32px;
  align-items: start;
}

/* ── TOURS LIST ── */
.combo-tours {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.combo-tour {
  position: relative;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--cmb-radius);
  padding: 18px;
  cursor: pointer;
  transition: all var(--cmb-t);
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow: hidden;
  text-align: left;
  font-family: inherit;
  color: var(--text);
}
.combo-tour::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--cmb-soft);
  opacity: 0;
  transition: opacity var(--cmb-t);
  pointer-events: none;
}
.combo-tour > * { position: relative; }
.combo-tour:hover {
  border-color: #c9c3bc;
  transform: translateY(-2px);
  box-shadow: var(--cmb-shadow);
}
.combo-tour.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(61,122,74,0.10);
}
.combo-tour.selected::before { opacity: 1; }

/* Locked state — when at activity limit, non-selected cards become unavailable */
.combo-tour.locked {
  opacity: 0.45;
  cursor: not-allowed;
}
.combo-tour.locked:hover {
  border-color: var(--border);
  transform: none;
  box-shadow: none;
}

/* Hint chip inside locked cards (e.g., "Disponível em 7+ dias") */
.combo-tour-hint {
  position: absolute;
  top: 10px; right: 10px;
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 10px; font-weight: 700;
  letter-spacing: 0.04em;
  color: #8a6d1c;
  background: #FFF8E6;
  border: 1px solid #FFE7A1;
  padding: 4px 9px;
  border-radius: 100px;
  z-index: 2;
  pointer-events: none;
}
.combo-tour-hint svg { width: 11px; height: 11px; }
.combo-tour-hint strong { font-weight: 700; }

/* Shake animation when blocked click is attempted */
.combo-tour.shake {
  animation: cmbShake 0.42s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
}
@keyframes cmbShake {
  10%, 90% { transform: translateX(-2px); }
  20%, 80% { transform: translateX(3px); }
  30%, 50%, 70% { transform: translateX(-5px); }
  40%, 60% { transform: translateX(5px); }
}

.combo-tour-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.combo-tour-name {
  font-size: 16px; font-weight: 700;
  letter-spacing: -0.02em; line-height: 1.25;
  color: var(--text);
}
.combo-tour-tag {
  font-size: 10px; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-light);
  padding: 4px 9px;
  border-radius: 100px;
  flex-shrink: 0;
}

.combo-check {
  width: 22px; height: 22px;
  border: 1.5px solid var(--border);
  border-radius: 6px;
  flex-shrink: 0;
  background: #fff;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--cmb-t);
}
.combo-check svg {
  width: 14px; height: 14px;
  color: #fff;
  opacity: 0;
  transform: scale(0.5);
  transition: all var(--cmb-t);
}
.combo-tour.selected .combo-check {
  background: var(--accent);
  border-color: var(--accent);
}
.combo-tour.selected .combo-check svg { opacity: 1; transform: scale(1); }

.combo-tour-meta {
  display: flex; align-items: center; gap: 10px;
  font-size: 12px; color: var(--muted);
  flex-wrap: wrap;
}
.combo-tour-meta-item {
  display: inline-flex; align-items: center; gap: 4px;
}
.combo-tour-meta-item svg { width: 12px; height: 12px; opacity: 0.7; }
.combo-tour-meta-dot {
  width: 3px; height: 3px; background: var(--border); border-radius: 50%;
}

.combo-tour-bottom {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 10px; border-top: 1px solid var(--border);
}
.combo-tour-price {
  font-size: 18px; font-weight: 700; letter-spacing: -0.02em;
  color: var(--text);
}
.combo-tour-price small { font-size: 11px; font-weight: 500; color: var(--muted); margin-left: 4px; }

/* Transfer (special card) */
.combo-tour-transfer {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, #1C3028 0%, #2D4A35 100%);
  color: #fff;
  border-color: transparent;
}
.combo-tour-transfer:hover { border-color: transparent; }
.combo-tour-transfer .combo-tour-name { color: #fff; }
.combo-tour-transfer .combo-tour-meta { color: rgba(255,255,255,0.6); }
.combo-tour-transfer .combo-tour-meta-dot { background: rgba(255,255,255,0.3); }
.combo-tour-transfer .combo-tour-bottom { border-top-color: rgba(255,255,255,0.15); }
.combo-tour-transfer .combo-tour-price { color: #fff; }
.combo-tour-transfer .combo-tour-price small { color: rgba(255,255,255,0.6); }
.combo-tour-transfer .combo-tour-tag {
  background: rgba(255,255,255,0.12);
  color: #B7E2BF;
}
.combo-tour-transfer .combo-check {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.3);
}
.combo-tour-transfer.selected .combo-check {
  background: #B7E2BF; border-color: #B7E2BF;
}
.combo-tour-transfer.selected .combo-check svg { color: #1C3028; }
.combo-tour-transfer::before { background: rgba(255,255,255,0.04); }

/* Period icons */
.combo-period-icon { width: 14px; height: 14px; }

/* ═══════ SIDEBAR (sticky summary) ═══════ */
.combo-sidebar {
  position: sticky;
  top: 96px;
  background: var(--surface);
  border-radius: var(--cmb-radius);
  border: 1px solid var(--border);
  box-shadow: var(--cmb-shadow);
  overflow: hidden;
  align-self: start;
}
.combo-sidebar-head {
  background: linear-gradient(135deg, #2D4A35 0%, #1f3527 100%);
  color: #fff;
  padding: 22px 24px;
  position: relative;
  overflow: hidden;
}
.combo-sidebar-head::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    radial-gradient(1px 1px at 30% 40%, rgba(255,255,255,0.35), transparent),
    radial-gradient(1px 1px at 70% 60%, rgba(255,255,255,0.3), transparent),
    radial-gradient(1px 1px at 50% 80%, rgba(255,255,255,0.25), transparent);
  background-size: 100px 100px;
  opacity: 0.5; pointer-events: none;
}
.combo-sidebar-label {
  font-size: 10px; font-weight: 700; letter-spacing: 0.14em;
  text-transform: uppercase; color: #8BCB99;
  margin-bottom: 6px;
  display: flex; align-items: center; gap: 8px;
}
.combo-sidebar-label::before {
  content: ""; width: 6px; height: 6px;
  background: #8BCB99; border-radius: 50%;
  animation: cmbPulse 1.8s ease-in-out infinite;
}
.combo-sidebar-name {
  font-size: 19px; font-weight: 700;
  letter-spacing: -0.02em; line-height: 1.2;
  position: relative; z-index: 1;
}

.combo-sidebar-body { padding: 22px 24px; }

.combo-meta-strip {
  display: flex; align-items: center;
  gap: 14px;
  padding-bottom: 16px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border);
  font-size: 12px; color: var(--muted);
  font-weight: 500;
}
.combo-meta-strip strong { color: var(--text); font-weight: 700; }
.combo-meta-divider { width: 1px; height: 14px; background: var(--border); }

.combo-items {
  display: flex; flex-direction: column;
  gap: 0;
  margin-bottom: 16px;
  min-height: 80px;
}
.combo-item {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--border);
  animation: cmbItemIn 0.32s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.combo-item:last-child { border-bottom: none; }
@keyframes cmbItemIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}
.combo-item-name {
  font-size: 13px; font-weight: 500; color: var(--text);
  line-height: 1.3; flex: 1;
}
.combo-item-price {
  font-size: 13px; font-weight: 600; color: var(--text);
  white-space: nowrap;
}
.combo-item-remove {
  background: none; border: none; cursor: pointer;
  color: var(--muted); padding: 0; opacity: 0.5;
  transition: all var(--cmb-t);
  display: flex; align-items: center;
}
.combo-item-remove:hover { color: #c44; opacity: 1; }
.combo-item-remove svg { width: 14px; height: 14px; }

.combo-empty {
  text-align: center;
  padding: 28px 12px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}
.combo-empty-icon {
  width: 36px; height: 36px;
  margin: 0 auto 10px;
  border-radius: 50%;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  color: var(--muted);
}
.combo-empty-icon svg { width: 18px; height: 18px; }

.combo-totals { margin-bottom: 16px; }
.combo-total-row {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 13px; padding: 5px 0;
}
.combo-total-row.discount { color: var(--accent); font-weight: 600; }
.combo-total-row.savings { color: var(--accent); font-size: 12px; font-style: italic; }
.combo-total-final {
  display: flex; align-items: baseline; justify-content: space-between;
  padding-top: 14px; margin-top: 8px;
  border-top: 1.5px solid var(--text);
}
.combo-total-final .label {
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--muted);
}
.combo-total-final .value {
  font-size: 28px; font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text);
  transition: transform var(--cmb-t);
}
.combo-total-final .value.pulse {
  animation: cmbPriceFlash 0.5s ease;
}
@keyframes cmbPriceFlash {
  0% { transform: scale(1); color: var(--text); }
  50% { transform: scale(1.06); color: var(--accent); }
  100% { transform: scale(1); color: var(--text); }
}
.combo-total-unit {
  font-size: 11px; color: var(--muted);
  text-align: right;
  margin-top: 2px;
}

.combo-cta {
  width: 100%;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: inherit;
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 16px 20px;
  border-radius: 10px;
  font-size: 13px; font-weight: 700;
  letter-spacing: 0.06em; text-transform: uppercase;
  cursor: pointer;
  transition: all var(--cmb-t);
  box-shadow: 0 4px 14px rgba(61,122,74,0.25);
  text-decoration: none;
}
.combo-cta:hover:not(:disabled) {
  background: var(--accent-hover); transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(61,122,74,0.32);
  color: #fff;
}
.combo-cta:disabled { opacity: 0.4; cursor: not-allowed; box-shadow: none; }
.combo-cta svg { width: 18px; height: 18px; }

/* Cart success card */
.combo-cart-success {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height var(--cmb-t), opacity var(--cmb-t), margin-top var(--cmb-t);
  margin-top: 0;
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--accent-light);
  border: 1px solid rgba(61,122,74,0.25);
  border-radius: 10px;
  padding: 0 14px;
}
.combo-cart-success.open {
  max-height: 100px;
  opacity: 1;
  margin-top: 12px;
  padding: 14px;
}
.combo-cart-success .combo-email-success-icon {
  width: 28px; height: 28px;
  background: var(--accent);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.combo-cart-success .combo-email-success-icon svg { width: 14px; height: 14px; }
.combo-cart-success strong {
  display: block;
  font-size: 13px; font-weight: 700;
  color: var(--text);
  margin-bottom: 2px;
}
.combo-cart-success p {
  font-size: 12px; color: var(--muted);
  line-height: 1.4;
  margin: 0;
}
.combo-cart-go {
  flex-shrink: 0;
  background: var(--accent);
  color: #fff;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  transition: all var(--cmb-t);
  white-space: nowrap;
}
.combo-cart-go:hover {
  background: var(--accent-hover);
  color: #fff;
  transform: translateX(2px);
}

.combo-cta-secondary {
  width: 100%;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: inherit;
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--border);
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 12px; font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: all var(--cmb-t);
  margin-top: 10px;
  text-decoration: none;
}
.combo-cta-secondary:hover { border-color: var(--accent); color: var(--accent); }

.combo-fine {
  font-size: 11px; color: var(--muted);
  text-align: center; margin-top: 14px;
  line-height: 1.5;
}
.combo-fine strong { color: var(--text); font-weight: 600; }

/* ═══════ INLINE EMAIL FORM (replaces modal) ═══════ */
.combo-email-form {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  margin-top: 0;
  transition: max-height var(--cmb-t), opacity var(--cmb-t), margin-top var(--cmb-t);
}
.combo-email-form.open {
  max-height: 280px;
  opacity: 1;
  margin-top: 12px;
}
.combo-email-fields {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 10px;
}
.combo-email-input {
  width: 100%;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: 8px;
  padding: 11px 14px;
  outline: none;
  transition: border-color var(--cmb-t), background var(--cmb-t);
}
.combo-email-input::placeholder { color: #b8b1aa; font-weight: 400; }
.combo-email-input:focus { border-color: var(--accent); background: #fff; }

.combo-email-send-btn {
  width: 100%;
  font-family: inherit;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #fff;
  background: var(--accent);
  border: none;
  border-radius: 8px;
  padding: 12px 16px;
  cursor: pointer;
  transition: all var(--cmb-t);
  box-shadow: 0 4px 12px rgba(61,122,74,0.22);
}
.combo-email-send-btn:hover:not(:disabled) {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(61,122,74,0.3);
}
.combo-email-send-btn:disabled { opacity: 0.4; cursor: not-allowed; box-shadow: none; }

.combo-email-cancel-btn {
  width: 100%;
  background: none; border: none;
  color: var(--muted);
  font-family: inherit;
  font-size: 11px;
  cursor: pointer;
  padding: 8px;
  margin-top: 4px;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--cmb-t);
}
.combo-email-cancel-btn:hover { color: var(--text); }

.combo-email-success {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px;
  background: var(--accent-light);
  border: 1px solid rgba(61,122,74,0.25);
  border-radius: 10px;
  margin-top: 12px;
  animation: cmbItemIn 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.combo-email-success-icon {
  width: 28px; height: 28px;
  background: var(--accent);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.combo-email-success-icon svg { width: 14px; height: 14px; }
.combo-email-success strong {
  display: block;
  font-size: 13px;
  color: var(--text);
  font-weight: 700;
  margin-bottom: 2px;
}
.combo-email-success p {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.45;
}

/* Warning if too many activities */
.combo-warning {
  margin-top: 12px;
  padding: 10px 12px;
  background: #FFF8E6;
  border: 1px solid #FFE7A1;
  border-radius: 8px;
  color: #8a6d1c;
  font-size: 12px;
  line-height: 1.4;
  display: none;
  align-items: flex-start; gap: 8px;
}
.combo-warning.show { display: flex; }
.combo-warning svg { width: 14px; height: 14px; flex-shrink: 0; margin-top: 2px; }

/* ═══════ RESPONSIVE ═══════ */
@media (max-width: 1024px) {
  .combo-main { grid-template-columns: 1fr; }
  .combo-sidebar {
    position: static;
    margin-top: 24px;
  }
}
@media (max-width: 900px) {
  .combo-section { padding: 64px 0; }
  .combo-container { padding: 0 20px; }
  .combo-head { margin-bottom: 32px; }
  .combo-controls {
    grid-template-columns: 1fr;
    padding: 16px 18px;
    gap: 14px;
  }
  .combo-suggest-btn { align-self: stretch; justify-content: center; }
  .combo-tours { grid-template-columns: 1fr; }
  .combo-tour-transfer { grid-column: auto; }
  .combo-main { padding-bottom: 0; }
}
@media (max-width: 540px) {
  .combo-container { padding: 0 16px; }
  .combo-control-row { gap: 4px; flex-wrap: wrap; }
  .combo-pill { padding: 7px 12px; font-size: 12px; }
  .combo-tour { padding: 16px; }
  .combo-tour-name { font-size: 15px; }
  .combo-tour-price { font-size: 16px; }
}