/* ---- Base Rules ---- */
html {
  scroll-behavior: smooth;
}

body {
  background: linear-gradient(
      0deg,
      rgba(136, 203, 171, 1) 0%,
      rgba(0, 13, 60, 1) 100%
    )
    rgb(136, 203, 171);
  margin: 0;
  font-family: "Merriweather", serif;
  color: #fff;
}

/* responsive and media queries */
.container {
  margin: 0 auto;
}

/* Small */
@media (min-width: 768px) {
  .container {
    width: 750px;
  }
}

/* Medium */
@media (min-width: 992px) {
  .container {
    width: 970px;
  }
}

/* Large */
@media (min-width: 1200px) {
  .container {
    width: 1170px;
  }
}

/* Typeography General*/
h1 {
  font-family: "Fira Sans", sans-serif;
  font-size: 3em;
  margin: 2em 1rem;
}

@media only screen and (min-width: 35em) {
  h1 {
    font-size: 7em;
    margin: 2em 4rem 1em;
  }
}

h2 {
  border-bottom: 1px solid #cc1;
  font-family: "Oxygen", Sans-Serif;
  font-size: 3em;
  color: #fff;
}

p {
  line-height: 1.6em;
  color: #eee;
}

/* ---- Layout Rules ---- */
main {
  margin: 5vh 1em 5vh 1em;
}

.main-hero {
  padding-top: 3em;
}

section {
  position: relative;
  margin-bottom: 100px;
  scroll-margin-top: 100px;
}

/* ---- Module Rules ---- */
/* Navigation Styles*/
.navbar__menu ul {
  padding-left: 0;
  margin: 0;
  text-align: right;
}

.navbar__menu li {
  display: inline-block;
}

.navbar__menu .menu__link {
  display: inline-block;
  padding: 1em;
  font-weight: bold;
  text-decoration: none;
  color: #000;
  cursor: pointer;
}

.navbar__menu .menu__link:hover {
  background: #333;
  color: #fff;
  transition: ease 0.3s all;
}

.navbar__menu .menu__link.active {
  background: #333;
  color: #fff;
  transition: ease 0.3s all;
}

/* Header Styles */
.page__header {
  background: #fff;
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 5;
  overflow: hidden;
  transition: 100ms;
  transform-origin: center top;
  transform: scaleY(1);
}

.page__header.hide {
  transform: scaleY(0);
}

/* Footer Styles */
.page__footer {
  background: #000;
  padding: 3em;
  color: #fff;
}

.page__footer p {
  color: #fff;
}

/* ---- Theme Rules ---- */
/* Landing Container Styles */
.landing__container {
  padding: 1em;
  text-align: left;
}

@media only screen and (min-width: 35em) {
  .landing__container {
    max-width: 50em;
    padding: 4em;
  }
}

section:nth-of-type(even) .landing__container {
  margin-right: 0;
  margin-left: auto;
  text-align: right;
}

/* Background Circles */
section:nth-of-type(odd) .landing__container::before {
  position: absolute;
  content: "";
  background: rgba(255, 255, 255, 0.187);
  z-index: -5;
  padding: 10vh;
  border-radius: 50%;
  opacity: 0;
  transition: ease 0.5s all;
}

section:nth-of-type(even) .landing__container::before {
  position: absolute;
  content: "";
  background: rgb(255, 255, 255);
  background: linear-gradient(
    0deg,
    rgba(255, 255, 255, 0.1) 0%,
    rgba(255, 255, 255, 0.2) 100%
  );
  inset: 3em 3em auto auto;
  z-index: -5;
  padding: 5vh;
  border-radius: 50%;
  opacity: 0;
  transition: ease 0.5s all;
}

section:nth-of-type(3n) .landing__container::after {
  position: absolute;
  content: "";
  background: #fff;
  background: linear-gradient(
    0deg,
    rgba(255, 255, 255, 0.1) 0%,
    rgba(255, 255, 255, 0.2) 100%
  );
  inset: auto 0 0 auto;
  z-index: -5;
  padding: 5vh;
  border-radius: 50%;
  opacity: 0;
  transition: ease 0.5s all;
}

section:nth-of-type(3n + 1) .landing__container::after {
  position: absolute;
  content: "";
  background: #fff;
  background: linear-gradient(
    0deg,
    rgba(255, 255, 255, 0.1) 0%,
    rgba(255, 255, 255, 0.2) 100%
  );
  inset: auto 20vw -5em auto;
  z-index: -5;
  padding: 7.5vh;
  border-radius: 50%;
  opacity: 0;
  transition: ease 0.5s all;
}

/* ---- Theme State Rules ---- */
/* Section Active Styles */
section.section__activated {
  background: #000;
  background: linear-gradient(0deg, #0002 0%, #0000 100%);
  border-radius: 10px;
  box-shadow: #fff7 0px 2px 4px 0px, #fff9 0px 2px 16px 0px;
}

section.section__activated .landing__container::before {
  opacity: 1;
  animation: rotate 4s linear infinite forwards;
}

section.section__activated .landing__container::after {
  opacity: 1;
  animation: rotate 5s linear infinite forwards reverse;
}

/* Section Active Styles Keyframe Animations */
@keyframes rotate {
  from {
    transform: rotate(0deg) translate(-1em) rotate(0deg);
  }
  to {
    transform: rotate(360deg) translate(-1em) rotate(-360deg);
  }
}

/* styling the to top button  */
.to__top__btn {
  position: fixed;
  right: 10px;
  bottom: 10px;
  display: flex;
  justify-content: center;
  font-size: 18px;
  font-family: sans-serif;
  text-transform: uppercase;
  padding: 0.25em 0.5em;
  border-radius: 5px;
  border: none;
  transition: 0.5s;
  cursor: pointer;
  background: #fff;
  color: #333;
  display: none;
}

.to__top__btn:hover {
  background: #333;
  color: #fff;
  transition: ease 0.3s all;
}

/* styling the add section button */
.add__section__btn {
  position: fixed;
  left: 10px;
  bottom: 10px;
  display: flex;
  justify-content: center;
  font-size: 18px;
  font-family: sans-serif;
  text-transform: uppercase;
  padding: 0.25em 0.5em;
  border-radius: 5px;
  border: none;
  transition: 0.5s;
  cursor: pointer;
  background: #fff;
  color: #333;
}

.add__section__btn:hover {
  background: #333;
  color: #fff;
  transition: ease 0.3s all;
}