/* reset */

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

/* basic */

html {
    font-size: 62.5%; /* 1rem = 10px */
}

body {
    font-family: "Montserrat", sans-serif;
    background-color: #fff;
    color: #000;
    line-height: 1.2;
    font-size: 1.6rem;;
}

h1 {}

h2 {}

h3 {}

h4 {}

h5 {}

h6 {}

/* shell */

.shell {
    width: 114rem;
    min-width: 114rem;
    margin: 0 auto;
    padding: 0 1.5rem
}

/* hero */

.hero {
    height: 100vh;
    background-color: #fff;
}

/* header */

.header {
    padding: 1.5rem 0;
}

.header .header__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* nav */

.nav ul {
    display: flex;
    list-style: none;
}

.nav ul li {
    font-weight: 600;
    padding-left: 4.5rem;
    position: relative;
    cursor: pointer;
    z-index: 1;
    transition: padding 0.5s, color 0.5s;
}

.nav ul li:before {
    content: "";
    position: absolute;
    top: 50%;
    left: 0;
    border-radius: 1.75rem;
    height: 3.5rem;
    width: 3.5rem;
    background: linear-gradient(
    70deg,
    rgb(34, 92, 181) 0%,
    rgb(22, 97, 209) 15%,
    rgb(14, 155, 255) 100%
    );
    transform: translateY(-50%);
    z-index: -1;
    transition: width 0.5s;
}

.nav ul li:hover:before {
    width: 100%;
}

.nav ul li:hover {
    padding: 0 2rem;
    color: #fff;
}

.nav ul li + li {
    margin-left: 2rem;
}

/* logo */

.logo {
    display: block;
    height: 6rem;
}

.logo img {
    height: 100%;
    width: auto;
    object-fit: contain;
}

/* section-list */

.section-list {
    padding: 12rem 0 12rem;
    position: relative;
}

.section-list:before {
    content: "";
    position: absolute;
    top: 5.5rem;
    left: 0;
    height: 0.7rem;
    width: 100%;
    background: repeating-linear-gradient(
    45deg,
    rgb(58, 58, 58),
    rgb(114, 114, 114) 0.2rem,
    rgb(58, 58, 58) 0.4rem
    );
}

.section-list ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    column-gap: 2rem;
    row-gap: 6.5rem;
    justify-content: center;
}

.section-list li {
    flex: 0 0 calc(100%/3 - 2rem);
    background-color: rgb(57, 131, 234);
    border: 0.5rem solid rgba(79, 101, 129, 1);
    padding: 1.2rem;
    height: 20rem;
    position: relative;
    z-index: 2;
    cursor: pointer;
}

.section-list .section__container {
    background: repeating-linear-gradient(
    90deg,
    rgb(34, 92, 181),
    rgb(34, 92, 181) 3.3rem,
    rgb(27, 70, 130) 3.5rem,
    rgb(57, 131, 234) 3.7rem,
    rgb(57, 131, 234) 7rem,
    rgb(27, 70, 130) 7.2rem
    );
    position: relative;
    z-index: 2;
    height: 100%;
}

.section-list ul li:hover {
    animation-duration: 1s;
    animation-name: docker;
}

@keyframes docker {
  0% {
    transform: rotate(0deg);
  }

  25% {
    transform: rotate(3deg);
  }

  75% {
    transform: rotate(-3deg);
  }

  100% {
    transform: rotate(0deg);
  }
}

.section-list .section__container:after {
    content: "CodeHarbor";
    position: absolute;
    right: 0.5rem;
    bottom: 0.3rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.6);
}

.section-list .section__rope {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    z-index: -1;
}

.section-list .section__rope:before,
.section-list .section__rope:after {
    content: "";
    position: absolute;
    top: 0;
    width: calc(50% + 0.15rem);
    height: 0.3rem;
    background: repeating-linear-gradient(
    45deg,
    rgb(58, 58, 58),
    rgb(114, 114, 114) 0.2rem,
    rgb(58, 58, 58) 0.4rem
    );
    z-index: -1;
}

.section-list .section__rope:before {
    left: 0;
    transform: translateY(-1.7rem) rotate(-8deg);
}

.section-list .section__rope:after {
    right: 0;
    transform: translateY(-1.7rem) rotate(8deg);
}

.section-list .section__rope-main {
    position: absolute;
    left: 50%;
    top: -4rem;
    height: 1.3rem;
    width: 0.3rem;
    background: repeating-linear-gradient(
    45deg,
    rgb(58, 58, 58),
    rgb(114, 114, 114) 0.2rem,
    rgb(58, 58, 58) 0.4rem
    );
    transform: translateX(-50%);
}

.section-list .section__rope-main:before,
.section-list .section__rope-main:after {
    content: "";
    position: absolute;
    background: repeating-linear-gradient(
    45deg,
    rgb(58, 58, 58),
    rgb(114, 114, 114) 0.2rem,
    rgb(58, 58, 58) 0.4rem
    );
    height: 0.3rem;
    width: 8rem;
    display: block;
}

.section-list .section__rope-main:after {
    top: 0;
    left: 0;
    transform: translateY(2.3rem) rotate(17deg);
}

.section-list .section__rope-main:before {
    top: 0;
    right: 0;
    transform: translateY(2.3rem) rotate(-17deg);
}

.section-list .section__img {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    height: 13rem;
    filter: brightness(50);
    opacity: 0.9;
    transition: opacity 0.3s;
}

.section-list li:hover .section__img {
    filter: brightness(1);
    opacity: 1;
}

.section-list .section__img img {
    width: auto;
    height: 100%;
    object-fit: contain;
}

.section-list .section__hook {
    position: absolute;
    top: -6rem;
    left: 50%;
    height: 2.5rem;
    width: 0.92rem;
    z-index: 3;
    transform: translateX(calc(-50% - 0.6rem));
}

.section-list .section__hook img {
    height: 100%;
    width: auto;
    object-fit: contain;
}

/* grid */

.grid {

}