@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;700&display=swap");

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

body {
  font-family: "Noto Sans JP", sans-serif;
  margin: 0;
  line-height: 1.6;
}

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

h1, h2, h3, p {
  margin: 0;
}

section {
  padding: 5rem 0;
}

.container {
  width: 85%;
  max-width: 65rem;
  margin: 0 auto;
}

.split {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.split > * {
  flex-basis: 30%;
  min-width: 15rem;
}

.spacing > * + * {
  margin-top: var(--spacer, 2rem);
}

.btn {
  display: inline-block;
  text-decoration: none;
  color: var(--clr-text, #fff);
  font-weight: 700;
  background-color: var(--clr-accent, blue);
  text-transform: uppercase;
  font-size: 1.125rem;
  padding: 0.5rem 1.25rem;
  border-radius: 0.25rem;
  transition: transform 250ms ease-in-out, opacity 250ms linear;
}

.btn:hover,
.btn:focus {
  transform: scale(1.1);
  opacity: 0.9;
}

/* Navbar */
.navbar {
  background-color: #111;
  padding: 1rem 5%;
  position: sticky;
  top: 0;
  z-index: 999;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  color: white;
  font-weight: bold;
  font-size: 1.5rem;
  text-decoration: none;
}

.nav-menu {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  margin: 0;
}

.nav-menu a {
  color: white;
  text-decoration: none;
}

/* Footer */
.footer {
  background-color: #222;
  color: #fff;
  text-align: center;
  padding: 2rem 1rem;
}

/* Hero */
.hero {
  text-align: center;
  padding: 8rem 0;
  color: white;
  background: #222;
}

@supports (background-blend-mode: multiply) {
  .hero {
    background: url(https://github.com/kevin-powell/shoes/blob/master/img/shoe-3.png?raw=true),
      radial-gradient(#444, #111);
    background-blend-mode: multiply;
    background-attachment: fixed;
    background-repeat: no-repeat;
    background-position: center center;
  }
}

.primary-title {
  font-size: clamp(3rem, calc(5vw + 1rem), 4.5rem);
  line-height: 1;
  text-transform: uppercase;
}

.section-title {
  text-align: center;
  font-size: clamp(2.5rem, calc(5vw + 1rem), 4rem);
  line-height: 1;
  color: #17353d;
  margin-bottom: 5rem;
}

/* Featured */
.featured {
  background: #eee;
}

.featured__item {
  display: block;
  position: relative;
  text-decoration: none;
  color: #333;
  text-align: center;
  line-height: 1.2;
  transform: scale(0.85);
  transition: transform 250ms ease-in-out;
}

.featured__item:hover,
.featured__item:focus {
  transform: scale(1);
}

.featured__item::after {
  content: "";
  position: absolute;
  top: 10%;
  left: 10%;
  padding: 75% 75% 0 0;
  border-radius: 50%;
  background: #2193b0;
  z-index: -1;
}

.featured__details {
  opacity: 0;
  transition: opacity 250ms linear;
}

.featured__item:hover .featured__details,
.featured__item:focus .featured__details {
  opacity: 1;
  text-shadow: 0 0 2rem white;
}

.featured__details span {
  display: block;
  font-weight: 700;
  font-size: 2.5rem;
}

/* Product */
.product {
  background: radial-gradient(var(--clr-inner, limegreen), var(--clr-outer, purple));
  padding: 3rem;
  border-radius: 1rem;
  margin-bottom: 5rem;
  text-align: center;
}

.product__title {
  font-size: clamp(3rem, calc(5vw + 1rem), 5.5rem);
  text-transform: uppercase;
  line-height: 1;
  color: #fff;
  text-shadow: 0 0 0.2rem rgba(0, 0, 0, 0.2);
}

.product__image {
  margin: -5rem 0 0 0;
}

@media (min-width: 45rem) {
  .product {
    text-align: left;
    margin-bottom: 9rem;
  }

  .product__title {
    margin: 0;
  }

  .product__image {
    float: right;
    width: 65%;
    shape-outside: url(https://github.com/kevin-powell/shoes/blob/master/img/shoe-1.png?raw=true);
    shape-margin: 1rem;
    margin: 0 -5rem 0 0;
  }

  .product.shoe-left .product__image {
    float: left;
    shape-outside: url(https://github.com/kevin-powell/shoes/blob/master/img/shoe-2.png?raw=true);
    margin: 0 0 0 -5em;
    shape-margin: 2em;
  }
}

/* Colors */
.hero {
  --clr-accent: #faa700;
}

.shoe-red {
  --clr-inner: #faa700;
  --clr-outer: #e48d00;
  --clr-accent: #a1173c;
}

.shoe-white {
  --clr-inner: #fce4b3;
  --clr-outer: #eac886;
  --clr-accent: #2f4858;
}

.shoe-blue {
  --clr-inner: #6dd5ed;
  --clr-outer: #2193b0;
  --clr-accent: #008951;
}