:root {
  --main-bc: #f5f5f5;
  --dark-bc: #272a33;
  --greyish-color: #a0a0a0;
  --header-grey-color: #666;
  --greyish-color-90: #a0a0a039;
  --orange-color: #ec5242;
  --darkgrey-color: #272a31;
  --border-color-orange: #ff4f38;
  --border-color-grey: #e7e7e7;
}

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

body {
  background-color: var(--main-bc);
}

/* Fonts Styles */

@import url('https://fonts.googleapis.com/css2?family=Lato:ital,wght@0,100;0,300;0,400;0,700;0,900;1,100;1,300;1,400;1,700;1,900&display=swap');

.default-family {
  font-family: 'Lato', sans-serif;
}

.fw-300 {
  font-weight: 300;
}

.fw-500 {
  font-weight: 500;
}

.fw-600 {
  font-weight: 600;
}

.fw-700 {
  font-weight: 700;
}

.fw-900 {
  font-weight: 900;
}

.fs-12 {
  font-size: 12px;
}

.fs-14 {
  font-size: 14px;
}

.fs-16 {
  font-size: 16px;
}

.fs-18 {
  font-size: 18px;
}

.fs-24 {
  font-size: 24px;
}

.fs-36 {
  font-size: 36px;
}

.fs-48 {
  font-size: 48px;
}

.fs-60 {
  font-size: 60px;
}

.fc-greyish {
  color: var(--greyish-color);
}

.fc-dark-greyish {
  color: var(--header-grey-color);
}

.fc-orange {
  color: var(--orange-color);
}

.fc-darkgrey {
  color: var(--darkgrey-color);
}

.fc-white {
  color: #fff;
}

/* background */

.bc-white {
  background-color: #fff;
}

.bc-gray {
  background-color: var(--main-bc);
}

.bc-dark {
  background-color: var(--dark-bc);
}

/* Margin Pre-set */
.mb-1 { margin-bottom: 1rem; }

.mb-2 { margin-bottom: 2rem; }

.mr-1 { margin-right: 1rem; }

.mr-2 { margin-right: 2rem; }

.mt-1 { margin-top: 1rem; }

.mt-2 { margin-top: 2rem; }

.mt-05 { margin-top: 0.5rem; }

/* Padding Pre-set */
.pl-1 { padding-left: 1rem; }

.pt-1 { padding-top: 1rem; }

/* Display Block Pre-sets */
.d-inline-block {
  display: inline-block;
}

/* Flex-Box Pre-sets */
.d-flex {
  display: flex;
}

.d-inline-flex {
  display: inline-flex;
}

.d-wrap {
  flex-wrap: wrap;
}

.d-reverse {
  flex-direction: row-reverse;
}

.d-column {
  flex-direction: column;
}

.d-justify-center {
  justify-content: center;
}

.d-justify-end {
  justify-content: flex-end;
}

.d-align-center {
  align-items: center;
}

.d-justify-start {
  justify-content: flex-start;
}

.d-align-start {
  align-items: flex-start;
}

.d-justify-even {
  justify-content: space-evenly;
}

.d-justify-between {
  justify-content: space-between;
}

.d-justify-around {
  justify-content: space-around;
}

/* Positions */

.relative {
  position: relative;
}

.absolute {
  position: absolute;
}

/* Border-bottom PreFix */
.primary-bdb {
  border-bottom: 3px solid var(--border-color-orange);
  width: 15%;
  height: 1px;
}

.secundary-bdb {
  border-bottom: 2px solid var(--border-color-grey);
  width: 8%;
}

/* Button Pre-fix */
.default-button {
  border: none;
  box-shadow: none;
  background-color: var(--orange-color);
  padding: 2rem 2rem;
  color: white;
  font-size: 14px;
  font-weight: 600;
}

/* Display None */
.d-none {
  display: none;
}

/* Nav Section */
.nav-section {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--main-bc);
  opacity: 0.95;
  padding: 0.5rem 1rem;
  z-index: 1;
}

.bars-menu {
  color: var(--darkgrey-color);
}

/* Headline Section */
.headline-section {
  margin-top: calc(32px * 2.5);
  margin-bottom: calc(32px * 2);
}

.mail-link {
  text-decoration: none;
}

.headline-pbox {
  border: 2px solid #fff;
  padding: 1rem;
  max-width: 90vw;
}

/* Main Logo Section */

.main-logo-section {
  background-color: #fff;
  padding: 2rem 1rem;
}

.main-logo-secundary-header {
  width: 80%;
  max-width: 450px;
}

.logo-main {
  width: 280px;
  border: 4px double #000;
}

/* Past Events */
.main-past-events {
  background-color: #fff;
  border-top: 2px solid var(--greyish-color);
  padding: 2rem 1rem;
}

.past-event-img {
  width: 100%;
  max-width: 300px;
}

.img-overlay {
  width: 100%;
  height: 100%;
  background-color: rgba(255, 0, 0, 0.5);
}

.main-events-header {
  width: 80%;
  max-width: 400px;
}

/* Partners Section */
.partners-section {
  background-color: var(--dark-bc);
  width: 100%;
}

.partners-container {
  padding: 2rem 1rem;
}

.partners-company-container {
  max-width: 600px;
}

.partner-logo {
  width: 70%;
  max-width: 300px;
}

/* Footer */
.footer-container {
  padding: 2rem 1rem;
  background-color: var(--main-bc);
}

.footer-text-logo {
  margin-right: 3rem;
}

.footer-text {
  margin-bottom: 0.5rem;
  color: var(--darkgrey-color);
}

.footer-logo {
  width: 150px;
}

/* Menu popup */
.menu-popup {
  top: 0;
  left: 0;
  z-index: 1;
}

.popup-container {
  width: 100%;
  height: 100vh;
  background-color: var(--dark-bc);
  position: fixed;
}

.close-menu-btn {
  margin: 0.5rem 1rem;
}

.popup-ul {
  list-style: none;
}

.popup-ul li {
  margin-bottom: 1rem;
  position: relative;
  padding: 0.5rem 0.2rem;
}

.popup-ul li:last-child {
  margin: 0;
  border: 3px solid var(--border-color-orange);
  max-width: 49%;
}

.popup-li-item {
  text-decoration: none;
}

@media only screen and (min-width: 992px) {
  /* Hidden Objects */
  .bars-menu {
    display: none;
  }

  /* Displayed Objects */

  .nav-list-container,
  .nav-social-container,
  .footer-text-logo {
    display: flex;
  }

  .d-none-desk {
    display: none;
  }

  /* Max Width */
  .desk-w {
    width: 80%;
    max-width: 1200px;
  }

  /* Nav Bar */
  .nav-section {
    position: absolute;
    padding: 0;
  }

  .nav-bar {
    display: flex;
    justify-content: center;
    padding: 1rem 0;
    background-color: #fff;
  }

  .nav-social {
    display: flex;
    list-style: none;
    padding: 0.3rem 0;
  }

  .nav-social-item {
    color: white;
  }

  .nav-logo {
    display: block;
    height: 60px;
  }

  .nav-list {
    display: flex;
    list-style: none;
    width: 70%;
    max-width: 840px;
  }

  .nav-list-item-btn {
    padding: 0.5rem;
    border: 3px solid var(--border-color-orange);
  }

  .nav-links {
    text-decoration: none;
  }

  /* Headline Section */
  .headline-section {
    padding: 35vh 0 35vh 0;
    margin: 0;
  }

  .headline-container {
    width: 80%;
    max-width: 1200px;
    align-items: center;
    justify-content: center;
    text-align: center;
  }

  .headline-desk-size {
    width: 100%;
  }

  .headline-desk-size:nth-child(2) {
    width: 80%;
    background-color: #fff;
    border: 2px solid var(--border-color-grey);
    color: var(--header-grey-color);
  }

  /* Logo Main */
  .main-logo-secundary-header {
    color: var(--darkgrey-color);
  }

  .logo-main {
    width: 500px;
    margin-top: 1rem;
  }

  /* Past Events */
  .main-past-events {
    padding: 2rem 1rem 3rem 1rem;
  }

  .main-events-secundary-header {
    color: var(--header-grey-color);
  }

  .past-event-img {
    width: 450px;
    max-width: 100%;
  }

  .overlay-container {
    margin-right: 1rem;
  }

  .overlay-container:last-child {
    margin-right: 0;
  }

  /* Partner Section */
  .partners-company-container {
    flex-direction: row;
    flex-wrap: wrap;
    padding: 2rem 1rem 4rem 1rem;
  }

  .partners-container > span {
    margin-bottom: 1rem;
  }

  .partner-logo {
    width: 15%;
    max-width: 100%;
    margin: 0 1rem 0 0;
  }

  .partner-logo:last-child {
    margin: 0;
  }

  /* Footer Section */
  .footer-container {
    background-color: var(--dark-bc);
  }

  .footer-text {
    font-size: 18px;
    color: #fff;
    margin-right: 1rem;
  }

  .footer-text:last-child {
    margin: 0;
  }
}