:root {
  --paper: #ffffff;
  --ink: #1c1b18;
  --ink-soft: #595650;
  --ink-faint: #908c83;
  --line: #e7e3d9;
  --accent: #1c1b18;
  --good: #3f6b4a;
  --serif: "Newsreader", Georgia, "Times New Roman", serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --display: "Bodoni Moda", "Didot", "Times New Roman", serif;
}

* , *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.booking {
  max-width: 44rem;
  margin-inline: auto;
  padding: clamp(1.5rem, 5vw, 3.5rem) clamp(1.25rem, 5vw, 2.5rem) 3rem;
}

/* Header */
.booking__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 1.4rem;
  border-bottom: 1px solid var(--line);
}
.wordmark {
  font-family: var(--display);
  font-optical-sizing: auto;
  font-weight: 500;
  font-size: 1.15rem;
  letter-spacing: 0.06em;
  text-decoration: none;
  color: var(--ink);
}
.booking__kicker {
  margin: 0;
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* Summary */
.summary { padding: 2.2rem 0 1rem; }
.summary__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.9rem, 4vw, 2.4rem);
  margin: 0 0 0.4rem;
}
.summary__meta {
  margin: 0 0 0.9rem;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.summary__blurb {
  margin: 0;
  color: var(--ink-soft);
  max-width: 32rem;
}

/* Steps */
.step { padding-top: 2.4rem; }
.step--hidden { display: none; }
.step__label {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 1.6rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--line);
}
.step__num {
  display: inline-grid;
  place-items: center;
  width: 1.4rem; height: 1.4rem;
  border: 1px solid var(--line);
  border-radius: 50%;
  font-family: var(--serif);
  font-size: 0.8rem;
  color: var(--accent);
}

/* When: calendar + slots */
.when {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}
@media (max-width: 36rem) { .when { grid-template-columns: 1fr; gap: 1.6rem; } }

.cal__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.9rem;
}
.cal__month {
  font-family: var(--serif);
  font-size: 1.05rem;
}
.cal__nav {
  background: none;
  border: 1px solid var(--line);
  border-radius: 4px;
  width: 1.9rem; height: 1.9rem;
  cursor: pointer;
  color: var(--ink-soft);
  font-size: 0.9rem;
  transition: border-color .2s, color .2s;
}
.cal__nav:hover:not(:disabled) { border-color: var(--ink); color: var(--ink); }
.cal__nav:disabled { opacity: 0.3; cursor: default; }

.cal__grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
}
.cal__dow {
  text-align: center;
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  padding-bottom: 0.4rem;
}
.cal__day {
  aspect-ratio: 1;
  background: none;
  border: 1px solid transparent;
  border-radius: 5px;
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--ink);
  cursor: pointer;
  transition: background .15s, border-color .15s, color .15s;
}
.cal__day:hover:not(:disabled) { border-color: var(--accent); }
.cal__day[disabled] { color: var(--line); cursor: default; }
.cal__day[aria-pressed="true"] {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.cal__day.is-empty { border: 0; cursor: default; }

/* Slots */
.slots__hint { color: var(--ink-faint); font-size: 0.9rem; margin: 0; }
.slots__date {
  font-family: var(--serif);
  font-size: 1rem;
  margin: 0 0 0.9rem;
}
.slots__list { display: grid; gap: 0.5rem; max-height: 19rem; overflow-y: auto; }
.slot {
  text-align: center;
  padding: 0.7rem;
  background: none;
  border: 1px solid var(--line);
  border-radius: 5px;
  font-family: var(--sans);
  font-size: 0.92rem;
  color: var(--ink);
  cursor: pointer;
  transition: border-color .15s, background .15s;
}
.slot:hover { border-color: var(--accent); }
.slot[aria-pressed="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.slots__empty { color: var(--ink-faint); font-size: 0.9rem; }

/* Chosen line */
.chosen {
  margin: 0 0 1.6rem;
  font-family: var(--serif);
  font-size: 1.05rem;
  color: var(--ink);
}
.chosen span { color: var(--accent); }

/* Return-from-Stripe note */
.return-note {
  margin: 1.6rem 0 0;
  padding: 0.9rem 1.1rem;
  border-left: 2px solid var(--accent);
  background: #faf8f3;
  font-size: 0.92rem;
  color: var(--ink-soft);
  border-radius: 0 5px 5px 0;
}

/* Session cards */
.sessions { display: grid; gap: 1rem; }
.session-card {
  display: grid;
  gap: 0.5rem;
  text-align: left;
  width: 100%;
  padding: 1.4rem 1.5rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 7px;
  cursor: pointer;
  font-family: var(--sans);
  transition: border-color .15s, transform .15s, box-shadow .15s;
}
.session-card:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px -12px rgba(0,0,0,0.25);
}
.session-card__name {
  font-family: var(--serif);
  font-size: 1.3rem;
  color: var(--ink);
}
.session-card__desc {
  font-size: 0.92rem;
  color: var(--ink-soft);
  line-height: 1.55;
}
.session-card__meta {
  display: flex;
  align-items: baseline;
  gap: 1.2rem;
  margin-top: 0.3rem;
}
.session-card__dur {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.session-card__price {
  font-family: var(--serif);
  font-size: 1.15rem;
  color: var(--accent);
}

/* Form */
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}
@media (max-width: 34rem) { .field-row { grid-template-columns: 1fr; gap: 0; } }
.field { margin-bottom: 1.2rem; }
.field label {
  display: block;
  font-size: 0.8rem;
  letter-spacing: 0.03em;
  color: var(--ink-soft);
  margin-bottom: 0.4rem;
}
.field .opt { color: var(--ink-faint); }
.field input, .field textarea, .field select {
  width: 100%;
  padding: 0.7rem 0.8rem;
  font-family: var(--sans);
  font-size: 0.95rem;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 5px;
  transition: border-color .15s;
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none;
  border-color: var(--ink);
}
.field textarea { resize: vertical; }

.form-actions {
  display: flex;
  gap: 0.8rem;
  margin-top: 1.6rem;
}
.btn {
  font-family: var(--sans);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.85rem 1.5rem;
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--ink);
  border-radius: 3px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: background .2s, color .2s;
}
.btn:hover { background: transparent; color: var(--ink); }
.btn[disabled] { opacity: 0.5; cursor: default; }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--ink); background: transparent; }

.form-error {
  margin: 1rem 0 0;
  color: #9b3b2f;
  font-size: 0.88rem;
}

/* Pay */
.pay { max-width: 30rem; }
.pay__line { font-family: var(--serif); font-size: 1.05rem; margin: 0 0 1.4rem; color: var(--ink); }
.pay__amount {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 1.1rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.pay__label { font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-faint); }
.pay__price { font-family: var(--serif); font-size: 1.8rem; }
.pay__note { font-size: 0.85rem; color: var(--ink-faint); margin: 1rem 0 0; }

/* Done */
.done { text-align: center; padding-top: 3rem; }
.done__mark {
  width: 3rem; height: 3rem;
  margin: 0 auto 1.2rem;
  display: grid; place-items: center;
  border: 1px solid var(--good);
  color: var(--good);
  border-radius: 50%;
  font-size: 1.2rem;
}
.done__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.8rem;
  margin: 0 0 0.8rem;
}
.done__body {
  color: var(--ink-soft);
  max-width: 28rem;
  margin: 0 auto 2rem;
}

/* Footer */
.booking__foot {
  margin-top: 3.5rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line);
  font-size: 0.78rem;
  color: var(--ink-faint);
}
.booking__foot p { margin: 0; }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }