*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --orange:   #FF6A00;
  --gold:     #D6A14A;
  --white:    #F6F7F8;
  --gray:     #707782;
  --graphite: #1A1A1A;
  --dark:     #111111;
  --black:    #0B0B0E;
  --font:     'Montserrat', sans-serif;
}

html, body {
  min-height: 100%;
  font-family: var(--font);
  background: var(--black);
  color: var(--white);
  -webkit-font-smoothing: antialiased;
}

/* ── NAV ── */
.bk-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  height: 64px;
  background: var(--black);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  position: sticky;
  top: 0;
  z-index: 100;
}

.bk-nav__logo {
  font-size: 20px;
  font-weight: 800;
  color: var(--white);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.bk-nav__logo span { color: var(--orange); }

.bk-nav__badge {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
}

/* ── MAIN LAYOUT ── */
.bk-main {
  display: flex;
  min-height: calc(100vh - 64px);
}

/* ── LEFT: orange info panel ── */
.bk-info {
  width: 400px;
  flex-shrink: 0;
  background: var(--orange);
  position: sticky;
  top: 64px;
  height: calc(100vh - 64px);
  overflow-y: auto;
}

.bk-info__inner {
  padding: 56px 48px;
}

.bk-info__tag {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.7);
  margin-bottom: 28px;
}
.bk-info__tag span {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: rgba(255,255,255,0.5);
  border-radius: 1px;
}

.bk-info__h1 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(42px, 4vw, 62px);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 18px;
}

.bk-info__lead {
  font-size: 14px;
  font-weight: 500;
  line-height: 1.7;
  color: rgba(255,255,255,0.8);
  margin-bottom: 0;
}

.bk-info__divider {
  height: 1px;
  background: rgba(255,255,255,0.2);
  margin: 32px 0;
}

.bk-info__label {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: rgba(255,255,255,0.55);
  margin-bottom: 16px;
}

.bk-info__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 13px;
  margin-bottom: 0;
}
.bk-info__list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,0.9);
  line-height: 1.5;
}
.bk-info__list li::before {
  content: '✓';
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  background: rgba(255,255,255,0.18);
  color: #fff;
  font-size: 10px;
  font-weight: 800;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
}

.bk-info__host {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
}
.bk-info__host-icon {
  width: 46px;
  height: 46px;
  background: rgba(255,255,255,0.2);
  border-radius: 50%;
  font-size: 18px;
  font-weight: 800;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.bk-info__host-name {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 3px;
}
.bk-info__host-role {
  font-size: 12px;
  color: rgba(255,255,255,0.7);
  font-weight: 500;
}

.bk-info__meta {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.bk-info__meta-item {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 12px;
  font-weight: 500;
  color: rgba(255,255,255,0.75);
}
.bk-info__meta-item svg {
  opacity: 0.7;
  flex-shrink: 0;
}

/* ── RIGHT: dark booking widget ── */
.bk-widget {
  flex: 1;
  background: var(--black);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 56px 40px;
}
.bk-widget__inner {
  width: 100%;
  max-width: 960px;
}
.bk-cal-card {
  background: #fff;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,0.35);
}

/* ── STEP PROGRESS ── */
.bk-progress {
  display: flex;
  align-items: center;
  margin-bottom: 48px;
}
.bk-progress__step {
  display: flex;
  align-items: center;
  gap: 10px;
  opacity: 0.3;
  transition: opacity 0.3s;
}
.bk-progress__step.active { opacity: 1; }
.bk-progress__step.done   { opacity: 0.65; }

.bk-progress__dot {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--gray);
  transition: all 0.3s;
}
.bk-progress__step.active .bk-progress__dot {
  border-color: var(--orange);
  color: var(--orange);
  background: rgba(255,106,0,0.1);
}
.bk-progress__step.done .bk-progress__dot {
  border-color: var(--orange);
  background: var(--orange);
  color: #fff;
}
.bk-progress__label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--gray);
  transition: color 0.3s;
}
.bk-progress__step.active .bk-progress__label { color: var(--white); }

.bk-progress__line {
  flex: 1;
  height: 1px;
  background: rgba(255,255,255,0.08);
  margin: 0 14px;
}

/* ── PANELS ── */
.bk-step-panel.hidden { display: none; }

.bk-panel-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.bk-back {
  font-size: 12px;
  font-weight: 600;
  color: var(--gray);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  letter-spacing: 0.02em;
  transition: color 0.2s;
  font-family: var(--font);
}
.bk-back:hover { color: var(--white); }

.bk-selected-info {
  font-size: 12px;
  font-weight: 600;
  color: var(--orange);
  letter-spacing: 0.03em;
}

.bk-widget__title {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--white);
  margin-bottom: 28px;
}
.bk-tz {
  font-size: 13px;
  font-weight: 500;
  color: var(--gray);
  letter-spacing: 0;
}

/* ── CALENDAR ── */
.bk-cal {
  background: #0f0f12;
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 14px;
  padding: 28px 24px;
}

.cal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.cal-month-label {
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.01em;
}
.cal-nav {
  width: 34px;
  height: 34px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px;
  color: var(--white);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  font-family: var(--font);
}
.cal-nav:hover {
  background: rgba(255,106,0,0.12);
  border-color: rgba(255,106,0,0.3);
  color: var(--orange);
}

.cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 3px;
}
.cal-day-header {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--gray);
  text-align: center;
  padding: 6px 0 10px;
}
.cal-cell {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 500;
  color: var(--white);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.15s;
}
.cal-cell:hover:not(.cal-past):not(.cal-empty) {
  background: rgba(255,106,0,0.14);
  color: var(--orange);
}
.cal-cell.cal-past   { color: rgba(255,255,255,0.16); cursor: default; }
.cal-cell.cal-empty  { cursor: default; }
.cal-cell.cal-today  { color: var(--orange); font-weight: 700; }
.cal-cell.cal-selected {
  background: var(--orange) !important;
  color: #fff !important;
  font-weight: 700;
  box-shadow: 0 0 12px rgba(255,106,0,0.4);
}

/* ── TIME SLOTS ── */
.bk-slots {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.slot {
  padding: 15px 8px;
  background: #0f0f12;
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 10px;
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--white);
  cursor: pointer;
  transition: all 0.18s;
  letter-spacing: 0.02em;
  user-select: none;
}
.slot:hover:not(.slot--booked) {
  border-color: var(--orange);
  background: rgba(255,106,0,0.08);
  color: var(--orange);
}
.slot.slot--selected {
  background: var(--orange);
  border-color: var(--orange);
  color: #fff;
  box-shadow: 0 0 12px rgba(255,106,0,0.35);
}
.slot.slot--booked {
  color: rgba(255,255,255,0.15);
  cursor: default;
  font-size: 12px;
}
.slot.slot--booked::after {
  content: 'Booked';
  display: block;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.2);
  margin-top: 3px;
}

/* ── FORM ── */
.bk-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.bk-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.bk-form__group {
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.bk-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
}
.bk-label span { color: var(--orange); }

.bk-input {
  background: #0f0f12;
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: 10px;
  padding: 13px 16px;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 500;
  color: var(--white);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  width: 100%;
}
.bk-input:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(255,106,0,0.1);
}
.bk-input::placeholder { color: rgba(255,255,255,0.2); }
.bk-input.error { border-color: #ff4040; }

.bk-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='7' viewBox='0 0 12 7'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23707782' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 42px;
  cursor: pointer;
}
.bk-select option { background: #1a1a1a; }

.bk-textarea {
  resize: vertical;
  min-height: 90px;
  line-height: 1.65;
}

.bk-submit {
  display: block;
  width: 100%;
  padding: 16px 24px;
  background: var(--orange);
  color: #fff;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-align: center;
  text-decoration: none;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.25s;
  box-shadow: 0 0 24px rgba(255,106,0,0.3);
  margin-top: 4px;
}
.bk-submit:hover {
  background: #ff7a1a;
  box-shadow: 0 0 36px rgba(255,106,0,0.5);
  transform: translateY(-1px);
}
.bk-submit--outline {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: none;
  color: var(--gray);
  margin-top: 0;
}
.bk-submit--outline:hover {
  border-color: rgba(255,106,0,0.4);
  color: var(--orange);
  background: transparent;
  box-shadow: none;
  transform: none;
}

.bk-fine {
  font-size: 11px;
  color: rgba(255,255,255,0.25);
  text-align: center;
  letter-spacing: 0.02em;
  line-height: 1.6;
}

/* ── CONFIRMATION ── */
.bk-confirm {
  text-align: center;
  padding: 48px 0 32px;
}
.bk-confirm__check {
  width: 76px;
  height: 76px;
  background: rgba(255,106,0,0.08);
  border: 2px solid var(--orange);
  border-radius: 50%;
  font-size: 28px;
  color: var(--orange);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 28px;
  box-shadow: 0 0 24px rgba(255,106,0,0.2);
}
.bk-confirm__title {
  font-size: 36px;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--white);
  margin-bottom: 12px;
}
.bk-confirm__sub {
  font-size: 15px;
  font-weight: 500;
  color: var(--gray);
  line-height: 1.7;
  margin-bottom: 32px;
}
.bk-confirm__summary {
  background: #0f0f12;
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 12px;
  padding: 22px 26px;
  margin-bottom: 32px;
  text-align: left;
  font-size: 13px;
  color: var(--gray);
  line-height: 2;
}
.bk-confirm__summary strong { color: var(--white); font-weight: 600; }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .bk-main { flex-direction: column; }
  .bk-info {
    width: 100%;
    position: static;
    height: auto;
  }
  .bk-info__inner { padding: 40px 32px; }
  .bk-info__h1 { font-size: 30px; }
  .bk-widget { padding: 40px 24px; }
  .bk-slots { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 520px) {
  .bk-nav { padding: 0 20px; }
  .bk-nav__badge { display: none; }
  .bk-info__inner { padding: 32px 20px; }
  .bk-widget { padding: 32px 16px; }
  .bk-cal { padding: 20px 14px; }
  .bk-form__row { grid-template-columns: 1fr; }
  .bk-slots { grid-template-columns: repeat(2, 1fr); }
  .bk-progress__label { display: none; }
}