/* Design tokens */
:root{
  --primary: hsl(158, 36%, 37%);
  --primary-hover: hsl(158, 42%, 18%);
  --cream: hsl(30, 38%, 92%);
  --very-dark-blue: hsl(212, 21%, 14%);
  --dark-grayish-blue: hsl(228, 12%, 48%);
  --white: hsl(0, 0%, 100%);
  --radius: 12px;
}

/* Reset and base */
*,
*::before,
*::after{ box-sizing: border-box; }

html, body{ height: 100%; }

body{
  margin: 0;
  font-family: "Montserrat", system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", sans-serif;
  font-weight: 500;
  color: var(--dark-grayish-blue);
  background: var(--cream);
  display: grid;
  place-items: center;
  min-height: 100vh; /* fallback */
  min-height: 100svh; /* modern */
  line-height: 1.6;
}

img{ display: block; max-width: 100%; height: auto; }

/* Card layout */
.card{
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  max-width: 600px;
  display: grid;
  grid-template-columns: 1fr;
  box-shadow: 0 20px 30px -20px rgba(0,0,0,.25);
}

/* Media */
.card__media img{
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Content */
.card__content{
  padding: 1.5rem;
}

.card__category{
  letter-spacing: .35em;
  text-transform: uppercase;
  font-size: .75rem;
  color: var(--dark-grayish-blue);
  margin: .25rem 0 .75rem;
}

.card__title{
  color: var(--very-dark-blue);
  font-family: "Fraunces", serif;
  font-weight: 700;
  line-height: 1.1;
  font-size: clamp(1.85rem, 1.2rem + 2vw, 2.4rem);
  margin: 0 0 1rem;
}

.card__description{
  margin: 0 0 1.5rem;
}

/* Prices */
.card__prices{
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 0 0 1.25rem;
}

.card__price--current{
  color: var(--primary);
  font-family: "Fraunces", serif;
  font-weight: 700;
  font-size: clamp(1.75rem, 1.2rem + 1.5vw, 2rem);
}

.card__price--old{
  color: var(--dark-grayish-blue);
  font-size: .9rem;
}

/* Button */
.card__btn{
  width: 100%;
  border: 0;
  cursor: pointer;
  background: var(--primary);
  color: var(--white);
  padding: 1rem 1.25rem;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .75rem;
  font-weight: 700;
  transition: background-color .15s ease-in-out, transform .02s ease-in-out;
}

.card__btn:hover{ background: var(--primary-hover); }
.card__btn:active{ transform: translateY(1px); }
.card__btn img{ width: 18px; height: 18px; }

.card__btn:focus-visible{
  outline: 3px solid var(--primary); /* fallback */
  outline-offset: 2px;
}
@supports (outline: 1px solid color-mix(in oklab, black, white)){
  .card__btn:focus-visible{
    outline: 3px solid color-mix(in oklab, var(--primary) 55%, white);
  }
}

/* Desktop */
@media (min-width: 600px){
  .card{
    grid-template-columns: 1fr 1fr;
  }
  .card__content{
    padding: 2rem;
  }
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce){
  *{ transition: none !important; }
  .card__btn:active{ transform: none; }
}

/* Footer (optional) */
.attribution{
  position: fixed;
  left: 50%;
  bottom: 10px;
  transform: translateX(-50%);
  font-size: 11px;
  text-align: center;
  color: var(--dark-grayish-blue);
  opacity: .8;
}
.attribution a{ color: hsl(228, 45%, 44%); }