:root {
  --kv-ink: #26343a;
  --kv-ink-soft: #526168;
  --kv-gold: #d7bd68;
  --kv-gold-dark: #ad9040;
  --kv-cream: #f7f4ec;
  --kv-white: #ffffff;
  --kv-line: #e5e7e8;
  --kv-success: #287a52;
  --kv-danger: #b54848;
  --kv-shadow: 0 18px 55px rgba(28, 41, 47, 0.12);
  --kv-radius-lg: 28px;
  --kv-radius-md: 18px;
  --kv-radius-sm: 12px;
  --kv-font: Arial, Helvetica, sans-serif;
}

* { box-sizing: border-box; }

.kv-demo-page {
  margin: 0;
  min-width: 320px;
  background: #f3f5f5;
  color: var(--kv-ink);
  font-family: var(--kv-font);
}

.kv-demo-header {
  background: var(--kv-white);
  border-bottom: 1px solid var(--kv-line);
}

.kv-demo-header__inner,
.kv-demo-hero__inner,
.kv-demo-calculator-wrap,
.kv-demo-footer {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.kv-demo-header__inner {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.kv-demo-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: 0.04em;
}

.kv-demo-brand__mark {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--kv-gold);
  background: var(--kv-ink);
  font-family: Georgia, serif;
  font-size: 15px;
  font-style: italic;
}

.kv-demo-brand__text { font-size: 14px; }

.kv-demo-header__contacts {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 14px;
}

.kv-demo-header__contacts a {
  color: var(--kv-ink);
  font-weight: 700;
  text-decoration: none;
}

.kv-demo-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 82% 22%, rgba(215,189,104,.25), transparent 20%),
    linear-gradient(135deg, #eef2f3, #fbfbf8);
}

.kv-demo-hero::after {
  content: "";
  position: absolute;
  width: 360px;
  height: 360px;
  right: -120px;
  top: -160px;
  border: 1px solid rgba(215,189,104,.42);
  border-radius: 50%;
}

.kv-demo-hero__inner {
  position: relative;
  z-index: 1;
  padding: 64px 0 132px;
  text-align: center;
}

.kv-demo-eyebrow {
  margin: 0 0 12px;
  color: var(--kv-gold-dark);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.kv-demo-hero h1 {
  margin: 0;
  font-size: clamp(34px, 5vw, 62px);
  line-height: 1.03;
  letter-spacing: -0.045em;
}

.kv-demo-hero p:last-child {
  max-width: 780px;
  margin: 20px auto 0;
  color: var(--kv-ink-soft);
  font-size: clamp(16px, 2vw, 20px);
  line-height: 1.6;
}

.kv-demo-calculator-wrap {
  position: relative;
  z-index: 2;
  margin-top: -82px;
  padding-bottom: 70px;
}

.kv-demo-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 0 45px;
  color: #6e7b80;
  font-size: 13px;
}

/* Widget */
.kv-calculator {
  overflow: hidden;
  background: var(--kv-white);
  border: 1px solid rgba(38,52,58,.08);
  border-radius: var(--kv-radius-lg);
  box-shadow: var(--kv-shadow);
  font-family: var(--kv-font);
  color: var(--kv-ink);
}

.kv-calculator button,
.kv-calculator input,
.kv-calculator select,
.kv-calculator textarea { font: inherit; }

.kv-calculator__topbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 24px;
  padding: 26px 30px 22px;
  border-bottom: 1px solid var(--kv-line);
}

.kv-calculator__title {
  margin: 0;
  font-size: 22px;
  line-height: 1.2;
}

.kv-calculator__subtitle {
  margin: 6px 0 0;
  color: var(--kv-ink-soft);
  font-size: 14px;
}

.kv-progress {
  display: flex;
  align-items: center;
  gap: 7px;
}

.kv-progress__dot {
  width: 10px;
  height: 10px;
  border-radius: 99px;
  background: #d9dfe1;
  transition: width .2s ease, background .2s ease;
}

.kv-progress__dot.is-active {
  width: 32px;
  background: var(--kv-gold);
}

.kv-calculator__body { padding: 32px 30px 30px; }

.kv-step[hidden] { display: none !important; }

.kv-step__heading {
  margin: 0 0 8px;
  font-size: clamp(25px, 3vw, 34px);
  letter-spacing: -0.025em;
}

.kv-step__lead {
  margin: 0 0 28px;
  color: var(--kv-ink-soft);
  line-height: 1.55;
}

.kv-choice-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.kv-choice {
  min-height: 142px;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px;
  border: 1px solid var(--kv-line);
  border-radius: var(--kv-radius-md);
  background: var(--kv-white);
  cursor: pointer;
  transition: transform .15s ease, border-color .15s ease, box-shadow .15s ease, background .15s ease;
}

.kv-choice:hover {
  transform: translateY(-2px);
  border-color: #c9d0d2;
  box-shadow: 0 12px 25px rgba(38,52,58,.08);
}

.kv-choice.is-selected {
  border-color: var(--kv-gold-dark);
  background: linear-gradient(145deg, rgba(215,189,104,.15), rgba(255,255,255,.95));
  box-shadow: inset 0 0 0 1px var(--kv-gold);
}

.kv-choice__icon {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: var(--kv-cream);
  font-size: 23px;
}

.kv-choice__title { font-weight: 800; }
.kv-choice__text { color: var(--kv-ink-soft); font-size: 13px; line-height: 1.45; }

.kv-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.kv-field { display: grid; gap: 8px; }
.kv-field--wide { grid-column: 1 / -1; }

.kv-field label,
.kv-field__label {
  font-size: 13px;
  font-weight: 800;
}

.kv-field input,
.kv-field select,
.kv-field textarea {
  width: 100%;
  min-height: 50px;
  padding: 12px 14px;
  border: 1px solid #ccd3d5;
  border-radius: var(--kv-radius-sm);
  background: #fff;
  color: var(--kv-ink);
  outline: none;
  transition: border-color .15s ease, box-shadow .15s ease;
}

.kv-field textarea { min-height: 100px; resize: vertical; }

.kv-field input:focus,
.kv-field select:focus,
.kv-field textarea:focus {
  border-color: var(--kv-gold-dark);
  box-shadow: 0 0 0 4px rgba(215,189,104,.18);
}

.kv-field__hint { color: #77848a; font-size: 12px; }

.kv-counter {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) 46px;
  align-items: center;
  min-height: 52px;
  border: 1px solid #ccd3d5;
  border-radius: var(--kv-radius-sm);
  overflow: hidden;
}

.kv-counter button {
  height: 100%;
  border: 0;
  background: var(--kv-cream);
  color: var(--kv-ink);
  font-size: 22px;
  cursor: pointer;
}

.kv-counter input {
  min-height: 50px;
  padding: 10px;
  border: 0;
  border-radius: 0;
  text-align: center;
  font-weight: 800;
}

.kv-check-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.kv-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px;
  border: 1px solid var(--kv-line);
  border-radius: var(--kv-radius-sm);
  cursor: pointer;
}

.kv-check input {
  width: 18px;
  height: 18px;
  margin: 1px 0 0;
  accent-color: var(--kv-gold-dark);
}

.kv-check__copy { display: grid; gap: 3px; }
.kv-check__title { font-size: 13px; font-weight: 800; }
.kv-check__text { color: var(--kv-ink-soft); font-size: 12px; line-height: 1.35; }

.kv-actions {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 28px;
}

.kv-button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}

.kv-button:hover { transform: translateY(-1px); }

.kv-button--primary {
  color: #1f2a2f;
  background: var(--kv-gold);
  box-shadow: 0 10px 25px rgba(173,144,64,.22);
}

.kv-button--primary:hover { background: #dfc978; }

.kv-button--secondary {
  color: var(--kv-ink);
  background: #fff;
  border-color: #ccd3d5;
}

.kv-button--dark { color: #fff; background: var(--kv-ink); }
.kv-button--small { min-height: 42px; padding: 9px 16px; font-size: 13px; }
.kv-button[disabled] { opacity: .55; pointer-events: none; }

.kv-error {
  display: none;
  margin: 16px 0 0;
  padding: 12px 14px;
  border-radius: 12px;
  color: var(--kv-danger);
  background: #fff0f0;
  font-size: 13px;
}

.kv-error.is-visible { display: block; }

.kv-results-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 22px;
}

.kv-metric {
  padding: 16px;
  border-radius: 14px;
  background: var(--kv-cream);
}

.kv-metric__value { display: block; font-size: 22px; font-weight: 900; }
.kv-metric__label { display: block; margin-top: 4px; color: var(--kv-ink-soft); font-size: 12px; }

.kv-package-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.kv-package {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--kv-line);
  border-radius: 22px;
  background: #fff;
}

.kv-package--featured {
  border-color: var(--kv-gold-dark);
  box-shadow: 0 14px 35px rgba(173,144,64,.13);
}

.kv-package__badge {
  position: absolute;
  right: 18px;
  top: 18px;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--kv-gold);
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
}

.kv-package__head {
  padding: 24px 24px 18px;
  border-bottom: 1px solid var(--kv-line);
}

.kv-package__name { margin: 0; font-size: 24px; }
.kv-package__description { min-height: 40px; margin: 8px 0 0; color: var(--kv-ink-soft); font-size: 13px; line-height: 1.5; }
.kv-package__price { margin-top: 18px; font-size: clamp(28px, 4vw, 38px); font-weight: 900; letter-spacing: -.04em; }
.kv-package__per-person { color: var(--kv-ink-soft); font-size: 13px; }

.kv-package__facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--kv-line);
}

.kv-package__fact {
  padding: 13px 10px;
  background: #fbfcfc;
  text-align: center;
}

.kv-package__fact strong { display: block; font-size: 16px; }
.kv-package__fact span { display: block; margin-top: 3px; color: var(--kv-ink-soft); font-size: 10px; }

.kv-package__body {
  flex: 1;
  padding: 18px 24px 8px;
}

.kv-menu-list {
  display: grid;
  gap: 11px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.kv-menu-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
  font-size: 13px;
  line-height: 1.4;
}

.kv-menu-list__qty { white-space: nowrap; color: var(--kv-ink-soft); font-weight: 700; }

.kv-package__details {
  width: 100%;
  margin: 14px 0 0;
  padding: 11px 0;
  border: 0;
  border-top: 1px solid var(--kv-line);
  color: var(--kv-ink);
  background: transparent;
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
}

.kv-costs {
  display: none;
  gap: 8px;
  padding-bottom: 12px;
  font-size: 12px;
}

.kv-costs.is-open { display: grid; }
.kv-costs__row { display: flex; justify-content: space-between; gap: 14px; color: var(--kv-ink-soft); }
.kv-costs__row--total { padding-top: 8px; border-top: 1px solid var(--kv-line); color: var(--kv-ink); font-weight: 900; }

.kv-package__footer {
  display: grid;
  gap: 10px;
  padding: 16px 24px 24px;
}

.kv-package__footer .kv-button { width: 100%; }

.kv-disclaimer {
  margin: 20px 0 0;
  padding: 14px 16px;
  border-radius: 14px;
  background: #f3f6f6;
  color: var(--kv-ink-soft);
  font-size: 12px;
  line-height: 1.55;
}

.kv-selected-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
  padding: 16px 18px;
  border: 1px solid rgba(215,189,104,.65);
  border-radius: 15px;
  background: rgba(215,189,104,.12);
}

.kv-selected-bar strong { display: block; }
.kv-selected-bar span { display: block; margin-top: 4px; color: var(--kv-ink-soft); font-size: 12px; }

.kv-form-status {
  display: none;
  margin-top: 14px;
  padding: 14px;
  border-radius: 12px;
  font-size: 13px;
}

.kv-form-status.is-success { display: block; color: var(--kv-success); background: #ecf8f1; }
.kv-form-status.is-error { display: block; color: var(--kv-danger); background: #fff0f0; }

.kv-privacy {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: var(--kv-ink-soft);
  font-size: 12px;
  line-height: 1.45;
}

.kv-privacy input { width: 18px; height: 18px; margin: 0; accent-color: var(--kv-gold-dark); }
.kv-privacy a { color: var(--kv-ink); }

.kv-honeypot { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }

@media (max-width: 920px) {
  .kv-choice-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .kv-package-grid { grid-template-columns: 1fr; }
  .kv-results-summary { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  .kv-demo-header__contacts span { display: none; }
  .kv-demo-header__inner,
  .kv-demo-hero__inner,
  .kv-demo-calculator-wrap,
  .kv-demo-footer { width: min(100% - 20px, 1180px); }
  .kv-demo-hero__inner { padding: 46px 0 112px; }
  .kv-calculator { border-radius: 20px; }
  .kv-calculator__topbar { grid-template-columns: 1fr; padding: 22px 20px 18px; }
  .kv-progress { justify-content: flex-start; }
  .kv-calculator__body { padding: 24px 20px 22px; }
  .kv-choice-grid,
  .kv-form-grid,
  .kv-check-grid { grid-template-columns: 1fr; }
  .kv-field--wide { grid-column: auto; }
  .kv-choice { min-height: 112px; }
  .kv-actions { flex-direction: column-reverse; }
  .kv-actions .kv-button { width: 100%; }
  .kv-results-summary { grid-template-columns: 1fr 1fr; }
  .kv-package__head,
  .kv-package__body,
  .kv-package__footer { padding-left: 18px; padding-right: 18px; }
  .kv-selected-bar { align-items: flex-start; flex-direction: column; }
  .kv-demo-footer { flex-direction: column; }
}