:root {
  --premium-red: #9d1e2b;
  --premium-ink: #111214;
  --premium-ivory: #f7f5ef;
  --premium-mint: #dce9e5;
}

.hero-promise {
  position: absolute;
  z-index: 8;
  left: clamp(1.25rem, 7vw, 7rem);
  bottom: clamp(2rem, 8vh, 6rem);
  width: min(660px, calc(100vw - 2.5rem));
  color: var(--premium-ink);
  transition:
    opacity 0.35s ease,
    transform 0.35s ease;
}

.hero-promise.is-hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateY(-18px);
}

.hero-promise__label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  text-transform: uppercase;
  font-size: 0.67rem;
  font-weight: 750;
  letter-spacing: 0.16em;
}

.hero-promise__label::before {
  width: 38px;
  height: 2px;
  content: "";
  background: var(--premium-red);
}

.hero-promise h1 {
  max-width: 640px;
  margin-bottom: 1.25rem;
  font-size: clamp(3rem, 6.2vw, 6.6rem);
  line-height: 0.92;
}

.hero-promise p {
  max-width: 520px;
  margin-bottom: 1.75rem;
  font-size: clamp(1rem, 1.4vw, 1.2rem);
  line-height: 1.55;
}

.hero-promise__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-promise .button-primary {
  color: #fff;
  background: var(--premium-red);
}

.hero-promise .button-ghost {
  color: var(--premium-ink);
  border: 1px solid rgba(17, 18, 20, 0.35);
  background: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(12px);
}

.trust-ribbon {
  position: relative;
  z-index: 4;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  color: #fff;
  background: var(--premium-ink);
}

.trust-ribbon__item {
  min-height: 150px;
  padding: 2rem clamp(1rem, 2.6vw, 2.75rem);
  border-right: 1px solid rgba(255, 255, 255, 0.14);
}

.trust-ribbon__item:last-child {
  border-right: 0;
}

.trust-ribbon__number {
  display: block;
  margin-bottom: 1.4rem;
  color: #cf5f68;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.trust-ribbon strong {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 1rem;
  font-weight: 650;
}

.trust-ribbon p {
  margin: 0;
  color: rgba(255, 255, 255, 0.64);
  font-size: 0.82rem;
  line-height: 1.5;
}

.diagnostics-link {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  margin-top: 2.25rem;
  padding: 1rem 0;
  border-bottom: 1px solid currentColor;
  text-transform: uppercase;
  font-size: 0.68rem;
  font-weight: 750;
  letter-spacing: 0.08em;
}

.diagnostics-link span {
  color: var(--premium-red);
  font-size: 1rem;
}

.mobile-booking {
  position: fixed;
  z-index: 120;
  right: 1rem;
  bottom: 1rem;
  display: none;
  align-items: center;
  gap: 0.65rem;
  min-height: 50px;
  padding: 0 1.2rem;
  color: #fff;
  border-radius: 4px;
  background: var(--premium-red);
  box-shadow: 0 12px 32px rgba(17, 18, 20, 0.25);
  text-transform: uppercase;
  font-size: 0.68rem;
  font-weight: 750;
  letter-spacing: 0.08em;
}

.mobile-booking::after {
  content: "→";
  font-size: 1rem;
}

.appointment .booking-choice {
  display: flex;
  position: relative;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 92px;
  padding: 1.25rem 1.5rem;
  color: inherit;
  border-top: 1px solid rgba(255, 255, 255, 0.28);
  transition:
    background 0.25s ease,
    padding 0.25s ease;
}

.appointment .booking-choice:last-child {
  border-bottom: 1px solid rgba(255, 255, 255, 0.28);
}

.appointment .booking-choice:hover {
  padding-left: 1.9rem;
  background: var(--premium-red);
}

.appointment .booking-choice span {
  min-width: 150px;
  opacity: 0.65;
  text-transform: uppercase;
  font-size: 0.58rem;
  letter-spacing: 0.1em;
}

.appointment .booking-choice strong {
  margin-right: auto;
  font-size: 1rem;
}

.appointment .booking-choice i {
  font-style: normal;
  font-size: 1.1rem;
}

.collection-card img,
.story img,
.services-visual img {
  transition:
    transform 0.7s cubic-bezier(0.2, 0.8, 0.2, 1),
    filter 0.5s ease;
}

.collection-card:hover img,
.story img:hover,
.services-visual:hover img {
  transform: scale(1.025);
  filter: contrast(1.03) saturate(1.04);
}

@media (max-width: 900px) {
  .trust-ribbon {
    grid-template-columns: repeat(2, 1fr);
  }

  .trust-ribbon__item:nth-child(2) {
    border-right: 0;
  }

  .trust-ribbon__item:nth-child(-n + 2) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  }
}

@media (max-width: 700px) {
  .hero-promise {
    bottom: 5.5rem;
  }

  .hero-promise h1 {
    font-size: clamp(2.75rem, 14vw, 4.25rem);
  }

  .hero-promise p {
    max-width: 92%;
    font-size: 0.92rem;
  }

  .hero-promise__actions .button-ghost {
    display: none;
  }

  .trust-ribbon__item {
    min-height: 132px;
    padding: 1.5rem 1.1rem;
  }

  .trust-ribbon p {
    font-size: 0.76rem;
  }

  .mobile-booking {
    display: flex;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-promise,
  .collection-card img,
  .story img,
  .services-visual img {
    transition: none;
  }
}
