:root {
  color-scheme: light;
  --paper: #f5f7fd;
  --surface: #ffffff;
  --panel: #eff5ff;
  --ink: #182437;
  --muted: #4f6078;
  --line: #d9e3f2;
  --control-line: #b4c4db;
  --accent: #0068ff;
  --accent-hover: #0053cc;
  --accent-soft: #e3eeff;
  font-family: "Fira Sans", system-ui, sans-serif;
  font-size: 100%;
  line-height: 1.45;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  min-block-size: 100svh;
  background: var(--paper);
  color: var(--ink);
}

button, input, textarea { font: inherit; }
button { color: inherit; }
h1, h2, h3, p { margin: 0; }

.page-shell {
  max-inline-size: 72rem;
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.25rem);
  padding-block-end: clamp(2rem, 6vw, 4.5rem);
}

.masthead {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  min-block-size: 4.5rem;
  padding-block: 0.75rem;
  border-block-end: 1px solid var(--line);
}

.wordmark {
  display: block;
  inline-size: clamp(8.25rem, 20vw, 10.5rem);
  block-size: auto;
}

.masthead-note {
  color: var(--muted);
  font-size: 0.875rem;
  font-weight: 500;
}

.page-intro {
  padding-block: clamp(1.75rem, 4vw, 3rem) clamp(1.375rem, 3vw, 2rem);
}

@media (min-width: 58rem) {
  .page-intro { position: relative; isolation: isolate; }

  .page-intro::after {
    content: "";
    position: absolute;
    z-index: -1;
    inset-block: 0;
    inset-inline-end: 0;
    inline-size: 16rem;
    background-image:
      linear-gradient(to right, #0068ff1c 1px, transparent 1px),
      linear-gradient(to bottom, #0068ff1c 1px, transparent 1px);
    background-size: 1.25rem 1.25rem;
    mask-image: radial-gradient(ellipse at 65% 50%, #000 10%, transparent 72%);
    pointer-events: none;
  }
}

.page-intro h1 {
  font-size: clamp(2rem, 5vw, 3.45rem);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.045em;
  text-wrap: balance;
}

.heading-accent { color: var(--accent); }

.page-intro p {
  margin-block-start: 0.7rem;
  color: var(--muted);
  font-size: clamp(1rem, 1.55vw, 1.125rem);
  text-wrap: pretty;
}

.booking-form {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 1.25rem;
  background: var(--surface);
  box-shadow: 0 18px 40px -30px #264a8e66;
}

.form-panel {
  min-inline-size: 0;
  padding: clamp(1.15rem, 3.4vw, 2.25rem);
}

.section-title {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-block-end: 1.6rem;
}

.section-title h2 {
  font-size: 1.35rem;
  line-height: 1.16;
  font-weight: 600;
  letter-spacing: -0.028em;
}

.section-number {
  display: inline-grid;
  flex: 0 0 auto;
  inline-size: 2rem;
  block-size: 2rem;
  place-items: center;
  border-radius: 0.5rem;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.fields {
  display: grid;
  grid-template-columns: minmax(0, 1.32fr) minmax(0, 1fr);
  gap: 1.15rem 0.9rem;
}

.field { display: grid; min-inline-size: 0; gap: 0.4rem; }
.field-wide { grid-column: 1 / -1; }
.field label, .group-heading h3 { font-size: 0.9375rem; font-weight: 500; }

.field input, .field textarea {
  inline-size: 100%;
  min-inline-size: 0;
  min-block-size: 3rem;
  border: 1px solid var(--control-line);
  border-radius: 0.6rem;
  padding: 0.7rem 0.8rem;
  background: var(--surface);
  color: var(--ink);
  font-size: 1rem;
  transition: border-color 150ms ease, background-color 150ms ease;
}

.field input::placeholder, .field textarea::placeholder { color: #596b83; opacity: 1; }
.field textarea { min-block-size: 7.5rem; resize: vertical; }
.field input:hover, .field textarea:hover { border-color: #7f9bc2; }

.field input:focus-visible, .field textarea:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.schedule-panel {
  display: flex;
  flex-direction: column;
  border-inline-start: 1px solid var(--line);
  background: var(--panel);
}

.schedule-group { margin-block-end: 1.25rem; }

.group-heading {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.2rem 0.65rem;
  margin-block-end: 0.55rem;
}

.group-heading span { color: var(--muted); font-size: 0.8125rem; }

.date-grid, .time-grid {
  display: grid;
  gap: 0.5rem;
}

.date-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.time-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.date__panel-btn {
  display: grid;
  inline-size: 100%;
  min-inline-size: 0;
  min-block-size: 2.875rem;
  place-items: center;
  padding: 0.55rem 0.15rem;
  border: 1px solid var(--control-line);
  border-radius: 0.6rem;
  background: var(--surface);
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1.2;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
  cursor: pointer;
  transition: background-color 150ms ease, border-color 150ms ease, color 150ms ease;
}

@media (hover: hover) {
  .date__panel-btn:hover { border-color: var(--accent); background: var(--accent-soft); }
}

.date__panel-btn[aria-pressed="true"] {
  border-color: var(--accent);
  background: var(--accent);
  color: white;
}

.loader__block span {
  min-block-size: 2.875rem;
  border-radius: 0.6rem;
  background: #dbe7fa;
  animation: pulse 1.1s ease-in-out infinite alternate;
}

@keyframes pulse { to { opacity: 0.5; } }

.no_slots {
  padding: 0.8rem;
  border-radius: 0.6rem;
  background: var(--surface);
  color: var(--muted);
  font-size: 0.9375rem;
  overflow-wrap: anywhere;
}

.form-footer { margin-block-start: auto; }

.submit-status {
  margin-block-end: 0.7rem;
  color: var(--ink);
  font-size: 0.9375rem;
  overflow-wrap: anywhere;
}

.submit-status:empty { display: none; }

.submit-button {
  position: relative;
  display: grid;
  inline-size: 100%;
  min-block-size: 3.25rem;
  place-items: center;
  padding: 0.7rem 2.55rem;
  border: 1px solid transparent;
  border-radius: 0.65rem;
  background: var(--accent);
  color: white;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 150ms ease, transform 150ms ease;
}

.submit-button svg { position: absolute; inset-inline-end: 0.9rem; inline-size: 1.15rem; }
.submit-button:hover:not(:disabled) { background: var(--accent-hover); }
.submit-button:active:not(:disabled) { transform: translateY(1px); }
.submit-button:disabled { background: #dce7fb; color: #405675; cursor: default; }

@media (max-width: 47rem) {
  .booking-form { grid-template-columns: minmax(0, 1fr); border-radius: 1rem; }
  .schedule-panel { border-inline-start: 0; border-block-start: 1px solid var(--line); }
  .section-title { margin-block-end: 1.2rem; }
  .masthead { min-block-size: 3.75rem; }
}

@media (max-width: 29rem) {
  .fields { grid-template-columns: minmax(0, 1fr); gap: 0.85rem; }
  .time-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .date__panel-btn { font-size: 0.875rem; }
  .masthead-note { font-size: 0.8125rem; }
}

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