/*=============== GOOGLE FONTS ===============*/
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap');

/*=============== VARIABLES CSS ===============*/
:root {
  
  /*========== Colors ==========*/
  /*Color mode HSL(hue, saturation, lightness)*/
  --white-color: hsl(0, 0%, 100%);
  --black-color: hsl(0, 0%, 0%);

  /*========== Font and typography ==========*/
  /*.5rem = 8px | 1rem = 16px ...*/
  --body-font: "Poppins", sans-serif;
  --h1-font-size: 1.5rem;
  --normal-font-size: .938rem;

  /*========== Font weight ==========*/
  --font-regular: 400;
  --font-medium: 500;

  /*========== z index ==========*/
  --z-tooltip: 10;
  --z-fixed: 100;
}

/*========== Responsive typography ==========*/
@media screen and (min-width: 968px) {
  :root {
    --normal-font-size: 1rem;
  }
}

/*=============== BASE ===============*/
*,
*:after,
*:before {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--body-font);
  font-size: var(--normal-font-size);
  background-color: var(--black-color);
}

ul {
  list-style: none;
}

a {
  text-decoration: none;
}

/*=============== REUSABLE CSS CLASSES ===============*/
.container {
    max-width: 1140px;
    width: 100%;
    margin: 0 auto;
    padding: 3rem;
    min-height: 100vh;
    display: grid;
    place-items: center;
}
.section__container {
    --white-color: #ffffff;
    --dark-color: #222222;
    --dark-color-alt: #444444;
    --color-1: #ff1d50;
    --color-2: #2196f3;

    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    min-height: 100vh;
}

/*==================== ZigZag Border Animation ====================*/
.zigzag__container {
    --skin-color: #00ff00;
    --dark-black-color: #292929;
    --border-color: #928b8b;
    
    position: absolute;
    display: flex;
    gap: 38px;
}
.zigzag__container:nth-child(2) {
    transform: rotate(180deg);
    z-index: -1;
}
.zigzag__item {
    display: block;
    height: 100px;
    width: 100px;
    position: relative;
    overflow: hidden;
    transform: rotate(315deg);
}
.zigzag__item::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--skin-color));
    transform: translateX(-100%);
    animation: animateBefore 4s linear infinite;
    animation-delay: calc(1s * var(--i));
}
@keyframes animateBefore {
    0% {
        transform: translateX(-100%);
    }
    25%, 100% {
        transform: translateX(100%);
    }
}
.zigzag__item::after {
    content: '';
    position: absolute;
    right: 0;
    width: 2px;
    height: 100%;
    background: linear-gradient(180deg, transparent, var(--skin-color));
    transform: translateY(-100%);
    animation: animateAfter 4s linear infinite;
    animation-delay: calc(1s * var(--i));
}
@keyframes animateAfter {
    0%, 12.5% {
        transform: translateY(-100%);
    }
    37.5%, 100% {
        transform: translateY(100%);
    }
}
.zigzag__item span {
    position: absolute;
    cursor: pointer;
    inset: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--dark-black-color);
    outline: 1px solid var(--border-color);
    transition: .3s linear;
}
.zigzag__container:nth-child(1) .zigzag__item span:hover {
    outline-offset: -5px;
}
.zigzag__item span b {
    font-weight: normal;
    font-size: 2em;
    transform: rotate(45deg);
    color: var(--white-color);
}

@media screen and (max-width: 600px){
    .zigzag__container {
        gap: 19px;
    }
    .zigzag__item {
        height: 50px;
        width: 50px;
    }
    .zigzag__item span b {
        font-size: 1em;
    }
}