@import url("https://fonts.googleapis.com/css2?family=Cairo:wght@200..1000&display=swap");
@import url("styles/header.css");
@import url("styles/hero-section.css");
@import url("styles/articles.css");
@import url("styles/gallery.css");
@import url("styles/features.css");
@import url("styles/testimonials.css");
@import url("styles/team-members.css");
@import url("styles/services.css");
@import url("styles/our-skills.css");
@import url("styles/how-it-works.css");
@import url("styles/events.css");
@import url("styles/plans.css");
@import url("styles/top-videos.css");
@import url("styles/stats.css");
@import url("styles/discount.css");
@import url("styles/footer.css");

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

:root {
  --main-blue-color: #2196f3;
  --link-hover-color: #fafafa;
  --main-color-alt: #1787e0;
  --main-transition: 0.3s;
  --section-background: #ececec;
  --gray-777: #777;
}

html {
  scroll-behavior: smooth;
}

::-webkit-scrollbar {
  background-color: #f1f2f9;
}

::-webkit-scrollbar-thumb {
  background-color: var(--main-blue-color);
}

body {
  font-family: "Cairo", sans-serif;
}

section,
#main-footer {
  --top-bottom-padding: 80px;
  padding-top: var(--top-bottom-padding);
  padding-bottom: var(--top-bottom-padding);
}

section:nth-child(odd) {
  background-color: #fff;
}

section:nth-child(even) {
  background-color: var(--section-background);
}

.limit-width {
  margin-left: auto;
  margin-right: auto;
  --right-left-padding: 50px;
  padding-left: var(--right-left-padding);
  padding-right: var(--right-left-padding);
}

@media (max-width: 991px) {
  .limit-width {
    --right-left-padding: 30px;
  }
}

@media (min-width: 768px) {
  .limit-width {
    width: 750px;
  }
}

@media (min-width: 992px) {
  .limit-width {
    width: 970px;
  }
}

@media (min-width: 1200px) {
  .limit-width {
    width: 1170px;
  }
}

/* start titles */
.main-title {
  text-transform: uppercase;
  border: 2px solid black;
  width: fit-content;
  margin: 0 auto 80px;
  position: relative;
  padding: 0 10px;
  z-index: 3;
  text-align: center;
  --animation-time: 0.5s;
  transition: var(--main-transition);
}

.main-title:hover {
  color: #fff;
  transition-delay: var(--animation-time);
}

.main-title::before,
.main-title::after {
  --space-outside: -20px;
  content: "";
  position: absolute;
  width: 10px;
  height: 10px;
  background-color: var(--main-blue-color);
  border-radius: 50%;
  top: 50%;
  transform: translateY(-50%);
  z-index: -1;
  transition: 0.8s;
}

.main-title::before {
  left: var(--space-outside);
}

.main-title::after {
  right: var(--space-outside);
}

.main-title:hover::before {
  animation: header-animation-left 0.5s linear forwards;
}

@keyframes header-animation-left {
  50% {
    left: 0;
    width: 12px;
    height: 12px;
  }
  100% {
    left: 0;
    border-radius: 0;
    width: 60%;
    height: 100%;
  }
}

.main-title:hover::after {
  animation: header-animation-right 0.5s linear forwards;
}

@keyframes header-animation-right {
  50% {
    right: 0;
    width: 12px;
    height: 12px;
  }
  100% {
    right: 0;
    border-radius: 0;
    width: 60%;
    height: 100%;
  }
}

/* ==== */

.sec-title {
  text-align: center;
  text-transform: capitalize;
  font-size: 30px;
  margin-bottom: 80px;
}
/* end titles */

/* grid-system */
.grid-box {
  display: grid;
  gap: 40px;
}

.grid-4-cols {
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
}

.grid-3-cols {
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
}

/* flexbox-system */
.flexbox-container {
  display: flex;
  align-items: center;
  gap: 40px;
}

.flexbox-container > div:first-child {
  flex: 0.75;
  display: flex;
  justify-content: center;
  align-items: center;
}

.flexbox-container > div:last-child {
  flex: 1;
}

.flexbox-container > div:first-child img {
  max-width: 100%;
}

/* background image */
.bg-image {
  background: url("../images/dots.png") no-repeat 100% 20%,
    url("../images/dots.png") no-repeat 0 80%;
}

/* ======== */

.spikes {
  position: relative;
}

.spikes::after {
  --size: 30px;
  content: "";
  position: absolute;
  right: 0;
  bottom: calc(-1 * var(--size));
  width: 100%;
  height: var(--size);
  background: linear-gradient(135deg, #fff 25%, transparent 25%),
    linear-gradient(225deg, #fff 25%, transparent 25%);
  background-size: var(--size);
}