/* СТОЛ — стили по брендбуку (01-style-guide.md):
   тёплая светлая палитра, акцент «дуб», тонкие линии, скругления 4px, отступы кратны 8px, без теней. */
:root {
  --oak: #C4935A;
  --oak-dark: #7A5235;
  --ivory: #F5F0EB;
  --warm-white: #FDFAF6;
  --graphite: #2C2420;
  --fog: #9E9590;
  --sage: #6B7B5E;
  --linen: #D9CFC4;
  --oak-tint: #EFE3D3;
  --error: #8E3B2E;

  --serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --sans: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --radius: 4px;
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--ivory);
  color: var(--graphite);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--oak-dark); text-underline-offset: 3px; }
a:hover { color: var(--graphite); }

:focus-visible { outline: 2px solid var(--oak-dark); outline-offset: 2px; }

.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---------- шапка ---------- */
.site-header {
  display: flex; align-items: baseline; justify-content: space-between; gap: 16px;
  max-width: 1040px; margin: 0 auto; padding: 32px 24px 0;
}
.logo {
  font-family: var(--serif); font-size: 28px; letter-spacing: 0.32em; font-weight: 400;
  color: var(--graphite); text-decoration: none;
}
.tagline { font-size: 13px; letter-spacing: 0.08em; color: var(--fog); }

/* ---------- раскладка ---------- */
.page { max-width: 1040px; margin: 0 auto; padding: 48px 24px 96px; }

.intro { max-width: 640px; margin-bottom: 48px; }

h1, h2 {
  font-family: var(--serif); font-weight: 400; letter-spacing: 0.02em; color: var(--graphite);
  margin: 0;
}
h1 { font-size: clamp(32px, 6vw, 48px); line-height: 1.15; margin-bottom: 24px; }
h2 { font-size: 26px; line-height: 1.25; margin-bottom: 16px; }

.step-label {
  font-size: 13px; letter-spacing: 0.08em; color: var(--fog); margin: 0 0 8px; font-weight: 400;
}

.lead { font-size: 17px; margin: 0 0 16px; }
.muted { color: var(--fog); }
.quote { font-family: var(--serif); font-style: italic; font-size: 20px; color: var(--oak-dark); }

.facts { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 8px; }
.facts li { display: flex; gap: 12px; align-items: flex-start; }
.facts svg { flex: none; margin-top: 4px; stroke: var(--oak-dark); }

.booking {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px;
  border-top: 1px solid var(--linen); padding-top: 48px;
}
.booking > section { min-width: 0; }

.panel { background: var(--warm-white); border: 1px solid var(--linen); border-radius: var(--radius); padding: 24px; }

/* ---------- календарь ---------- */
.cal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.cal-title { font-family: var(--serif); font-size: 22px; text-transform: lowercase; }
.icon-btn {
  width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--linen); background: transparent; border-radius: var(--radius); cursor: pointer; color: var(--graphite);
}
.icon-btn:hover:not(:disabled) { border-color: var(--oak); }
.icon-btn:disabled { opacity: 0.35; cursor: default; }
.icon-btn svg { stroke: currentColor; }

.cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.cal-dow { font-size: 12px; color: var(--fog); text-align: center; padding-bottom: 8px; letter-spacing: 0.06em; }
.cal-day {
  position: relative; aspect-ratio: 1 / 1; min-height: 40px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid transparent; border-radius: var(--radius); background: transparent;
  font: inherit; font-size: 15px; color: var(--graphite); cursor: pointer;
}
.cal-day:hover:not(:disabled):not(.is-selected) { border-color: var(--oak); }
.cal-day:disabled { color: var(--linen); cursor: default; }
.cal-day.is-today { text-decoration: underline; text-underline-offset: 4px; }
.cal-day.is-selected { background: var(--oak); color: var(--warm-white); }
.cal-day.has-rec::after {
  content: ''; position: absolute; bottom: 6px; left: 50%; width: 4px; height: 4px; margin-left: -2px;
  border-radius: 50%; background: var(--sage);
}
.cal-day.is-selected.has-rec::after { background: var(--warm-white); }
.cal-legend { font-size: 13px; color: var(--fog); margin: 16px 0 0; display: flex; align-items: center; gap: 8px; }
.dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--sage); }

/* ---------- слоты ---------- */
.slots-day { font-family: var(--serif); font-size: 22px; margin: 0 0 16px; }
.slot-group + .slot-group { margin-top: 24px; }
.slot-group-title { font-size: 13px; letter-spacing: 0.06em; color: var(--fog); margin: 0 0 8px; }
.slot-group-title.rec { color: var(--sage); }
.slots { display: grid; grid-template-columns: repeat(auto-fill, minmax(88px, 1fr)); gap: 8px; }
.slot {
  min-height: 48px; padding: 8px; border: 1px solid var(--linen); border-radius: var(--radius);
  background: var(--warm-white); font: inherit; font-size: 15px; color: var(--graphite); cursor: pointer;
}
.slot:hover { border-color: var(--oak); }
.slot.rec { border-color: var(--sage); }
.slot.is-selected { background: var(--oak); border-color: var(--oak); color: var(--warm-white); }
.slots-empty { color: var(--fog); margin: 0; }

/* ---------- форма ---------- */
.form { margin-top: 40px; }
.field { display: grid; gap: 8px; margin-bottom: 24px; }
.field label { font-size: 14px; letter-spacing: 0.04em; }
.field .hint { font-size: 13px; color: var(--fog); }
.input, .textarea, .select {
  width: 100%; font: inherit; font-size: 16px; color: var(--graphite);
  background: var(--warm-white); border: 1px solid var(--linen); border-radius: var(--radius);
  padding: 12px 16px; min-height: 48px;
}
.textarea { min-height: 96px; resize: vertical; line-height: 1.6; }
.input:focus, .textarea:focus, .select:focus { outline: none; border-color: var(--oak-dark); }
.input[aria-invalid='true'] { border-color: var(--error); }
.field-error { color: var(--error); font-size: 13px; min-height: 0; margin: 0; }

.check { display: flex; gap: 12px; align-items: flex-start; font-size: 14px; line-height: 1.6; cursor: pointer; }
.check input { width: 20px; height: 20px; margin: 2px 0 0; accent-color: var(--oak-dark); flex: none; }

.summary {
  border-left: 2px solid var(--oak); padding: 4px 0 4px 16px; margin: 0 0 24px; font-size: 15px;
}
.summary strong { font-weight: 500; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 52px; padding: 12px 32px; border: 1px solid var(--oak); border-radius: var(--radius);
  background: var(--oak); color: var(--warm-white); font: inherit; font-size: 15px; letter-spacing: 0.08em;
  cursor: pointer; text-decoration: none;
}
.btn:hover:not(:disabled) { background: var(--oak-dark); border-color: var(--oak-dark); color: var(--warm-white); }
.btn:disabled { opacity: 0.5; cursor: default; }
.btn-block { width: 100%; }
.btn-ghost { background: transparent; color: var(--graphite); border-color: var(--linen); }
.btn-ghost:hover:not(:disabled) { background: transparent; border-color: var(--oak); color: var(--graphite); }
.btn-small { min-height: 40px; padding: 8px 16px; font-size: 14px; letter-spacing: 0.04em; }

.notice { border: 1px solid var(--linen); border-radius: var(--radius); padding: 16px; margin: 0 0 24px; background: var(--warm-white); }
.notice.error { border-color: var(--error); color: var(--error); }

.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

/* ---------- успех ---------- */
.success { max-width: 640px; }
.success .panel { margin: 32px 0; }
.success dl { display: grid; grid-template-columns: max-content 1fr; gap: 8px 24px; margin: 0; }
.success dt { color: var(--fog); }
.success dd { margin: 0; }

.site-footer {
  max-width: 992px; margin: 0 auto; padding: 32px 0 48px; border-top: 1px solid var(--linen);
  font-size: 13px; color: var(--fog); display: flex; flex-wrap: wrap; gap: 8px 24px;
}
.site-footer a { color: var(--fog); }

.skeleton { color: var(--fog); }

/* ---------- мобильная версия ---------- */
@media (max-width: 760px) {
  .site-header { padding: 24px 16px 0; }
  .tagline { display: none; }
  .page { padding: 32px 16px 64px; }
  .intro { margin-bottom: 32px; }
  .booking { grid-template-columns: 1fr; gap: 32px; padding-top: 32px; }
  .panel { padding: 16px; }
  .cal-grid { gap: 2px; }
  .slots { grid-template-columns: repeat(3, 1fr); }
  .site-footer { margin: 0 16px; padding: 24px 0 40px; }
}

/* ---------- страница политики ---------- */
.doc { max-width: 720px; }
.doc h2 { font-size: 22px; margin-top: 32px; }
.doc mark { background: var(--oak-tint); color: var(--graphite); padding: 0 4px; }
.fineprint { font-size: 13px; margin-top: 16px; }