/* stylelint-disable no-descending-specificity */
@import url('https://fonts.googleapis.com/css2?family=Lato:wght@100;300;400;700;900&display=swap');

/* === CSS VARIABLES === */
:root {
  --primary-color: #272a31;
  --secondary-color: #d3d3d3;
  --accent-color: #ec5242;
  --primary-font: lato, sans-serif;
  --secondary-font: raleway, sans-serif;
}

/* === CSS RESETS === */
* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  font-size: 16px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--primary-font);
  color: var(--primary-color);
  overflow-x: hidden;
  background-color: var(--secondary-color);
}

a {
  text-decoration: none;
  color: var(--primary-color);
}

ul {
  list-style-type: none;
  padding: 0;
  margin: 0;
}

/* === UTILITY CLASES === */
.flex {
  display: flex;
}

h1,
h2 {
  font-family: var(--secondary-font);
  font-weight: 700;
}

/* === HEADER === */
header {
  width: 100%;
}

.secondary-navbar-content {
  justify-content: end;
  column-gap: 1.5rem;
  font-size: 14px;
  align-items: center;
  line-height: 1rem;
}

i {
  font-size: 1.2rem;
}

.primary-navbar {
  width: 100%;
  background-color: var(--secondary-color);
  justify-content: space-between;
  align-items: center;
  padding: 1em 10%;
  position: relative;
}

@media (min-width: 768px) {
  .primary-navbar {
    width: 100%;
    background-color: white;
    justify-content: space-between;
    align-items: center;
    padding: 1em 10%;
    position: relative;
  }
}

.logo {
  max-width: 250px;
  max-height: 100px;
  display: none;
}

@media screen and (min-width: 768px) {
  .logo {
    max-width: 250px;
    max-height: 100px;
    display: block;
  }
}

.nav-menu {
  column-gap: 1.2rem;
  align-items: center;
}

.nav-menu li:last-child {
  border: 2px solid var(--accent-color);
  padding: 0.5em 1em;
}

.nav-link {
  font-size: 1.15rem;
  position: relative;
  letter-spacing: 1px;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -0.5rem;
  width: 100%;
  height: 2px;
  background-color: var(--accent-color);
}

.nav-link.accent {
  color: var(--accent-color);
}

.hamburger {
  display: none;
}

@media screen and (max-width: 768px) {
  .nav-menu {
    flex-direction: column;
    row-gap: 1rem;
    align-items: flex-start;
    position: absolute;
    background-color: white;
    width: 70%;
    height: 100vh;
    top: 0;
    left: -100%;
    box-shadow: 4px 5px 10px rgba(43, 41, 41, 0.589);
    padding: 4em 3em;
    transition: 0.5s ease-in-out;
    z-index: 100;
  }

  .nav-menu.slide {
    left: 0;
  }

  @supports (backdrop-filter: blur(5rem)) {
    .nav-menu {
      backdrop-filter: blur(2rem);
      background-color: rgba(255, 255, 255, 0.171);
    }
  }

  .nav-link {
    font-size: 1.5rem;
    position: relative;
  }

  .hamburger {
    flex-direction: column;
    width: 24px;
    height: 24px;
    row-gap: 4px;
    cursor: pointer;
    display: flex;
    justify-content: right;
  }

  .hamburger .line {
    width: 20px;
    height: 3px;
    background-color: black;
    transition: transform 0.5s ease;
  }

  .hamburger.slide .line:nth-of-type(1) {
    transform: translateY(7px) rotate(-45deg);
  }

  .hamburger.slide .line:nth-of-type(2) {
    opacity: 0;
  }

  .hamburger.slide .line:nth-of-type(3) {
    transform: translateY(-7px) rotate(45deg);
  }

  /* ===== Headline-section ===== */

  .secondary-navbar {
    display: none;
  }
}

.about.headline {
  background: url('./images/about-dektop.png');
  background-repeat: no-repeat;
  background-size: contain;
  align-items: center;
  justify-content: unset;
  height: 80%;
}

.about.headline-content {
  max-width: 768px;
  text-align: center;
  align-items: center;
  width: 100%;
  row-gap: 2rem;
}

.about-info h2 {
  color: black;
}

.about-info p {
  font-size: 0.8rem;
  line-height: 1.6;
  text-align: center;
  width: 100%;
  max-width: 768px;
}

.date p {
  font-size: 1rem;
  margin-top: 0.5rem;
  font-weight: 700;
}

.about.headline-content p {
  line-height: 1.8;
}

.about.date p {
  font-size: 0.8rem;
  margin-top: 0;
}

.date h2 {
  font-size: 2rem;
  color: #272a31f5;
}

.about.date a {
  font-size: 1.2rem;
  font-weight: 700;
  text-decoration: underline;
  justify-content: center;
}

.about-info {
  width: 100%;
  flex-direction: column;
  align-items: center;
  padding: 1em 3em;
  margin-top: 1rem;
}

.about-info.space {
  padding: 4em 1em;
}

.b-logo {
  padding: 1em;
  outline: 1px solid rgba(0, 0, 0, 0.212);
  margin-top: 2rem;
}

.b-logo img {
  object-fit: contain;
  width: 300px;
}

/* ===HomePage Headline Section=== */

.headline {
  flex-direction: column;
  width: 100%;
  position: relative;
  justify-content: center;
  padding: 2em;
  background: url('./images/homepage-bg.png');
  background-repeat: no-repeat;
  background-size: cover;
  overflow: hidden;
}

.headline-content {
  flex-direction: column;
  row-gap: 1rem;
  width: 100%;

  /* max-width: 450px; */
}

.headline-content h1 {
  font-size: 2.5rem;
  color: var(--accent-color);
  line-height: 4rem;
  font-weight: 500;
  text-transform: uppercase;
}

@media (min-width: 768px) {
  .headline-content h1 {
    line-height: 3.5rem;
    font-weight: 700;
  }
}

.headline-content .text {
  border: 5px solid #fff;
  background: var(--secondary-color);
  padding: 1.5em;
  font-size: 14px;
  line-height: 1rem;
  font-weight: 400;
  width: fit-content;
}

.theme-book {
  color: var(--accent-color);
}

.glory {
  color: var(--accent-color);
  font-size: 16px;
  font-weight: 500;
  padding-top: 2rem;
}

@media screen and (min-width: 768px) {
  .about.headline {
    padding-left: 0;
  }

  .about.headline .glory {
    display: none;
  }

  .about-info p {
    font-size: 1rem;
  }

  .secondary-navbar {
    background-color: rgb(24, 22, 22);
    padding: 0.5em 8em;
    display: block;
  }

  .secondary-navbar a {
    color: rgba(255, 255, 255, 0.76);
  }

  .secondary-navbar li {
    color: rgba(255, 255, 255, 0.76);
  }

  .headline {
    padding-left: 7rem;
    background: url('./images/homepage-bg.png');
    background-repeat: no-repeat;
    background-size: cover;
  }

  .headline-content {
    width: 700px;
  }

  .b-logo {
    padding: 4em;
  }
}

@media screen and (max-width: 480px) {
  .headline-content h1 {
    font-size: 1.8rem;
    line-height: 1.6rem;
  }

  .headline-content .text {
    padding: 0.5em;
    line-height: 1.2rem;
    font-weight: 700;
  }

  .date {
    text-align: center;
  }

  .date h2 {
    font-size: 1.5rem;
  }

  .date p {
    font-size: 0.8rem;
    line-height: 1.6;
    text-align: center;
    width: 100%;
  }
}

/* === MAIN PROGRAM === */
.main-program {
  width: 100%;
  height: 100%;
  background-image: radial-gradient(#212229 2.5px, transparent 2.5px);
  background-size: 39px 39px;
  background-color: #0e131d;
  padding: 4em 1em;
}

.caption {
  color: white;
  justify-content: center;
  text-align: center;
  font-family: var(--secondary-font);
  position: relative;
  margin-bottom: 4rem;
}

.caption::before {
  content: '';
  height: 3px;
  width: 80px;
  position: absolute;
  background: var(--accent-color);
  bottom: -1rem;
}

.program-cards {
  row-gap: 1rem;
  flex-wrap: wrap;
  color: var(--secondary-color);
  justify-content: center;
  column-gap: 1rem;
}

.card {
  background-color: #47474980;
  align-items: center;
  padding: 1em;
  row-gap: 0.5rem;
  column-gap: 1rem;
  width: 100%;
  border-radius: 7px;
  box-shadow: 3px 5px 10px rgba(0, 0, 0, 0.479);
  justify-content: flex-start;
  transition: transform 0.5s ease;
}

.card i {
  font-size: 3rem;
}

.card .tag {
  font-size: 18px;
  color: var(--accent-color);
}

.card .info {
  font-size: 14px;
  line-height: 1rem;
}

.card:hover {
  transform: translateY(-0.5rem);
  border: 1px solid white;
}

.contents {
  flex-direction: column;
  align-items: center;
  row-gap: 1rem;
}

.see-prog {
  color: rgba(255, 255, 255, 0.548);
  text-decoration: underline;
  display: none;
}

.mobile {
  color: white;
  text-decoration: none;
  background-color: var(--accent-color);
  padding: 1em;
  margin-top: 1.5rem;
}

@media screen and (min-width: 768px) {
  .card {
    flex-direction: column;
    width: 200px;
    column-gap: 1rem;
    padding: 3em 2em;
  }

  .card p {
    font-size: 1rem;
    text-align: center;
  }

  .see-prog {
    display: block;
  }

  .mobile {
    display: none;
  }
}

/* === FEATURED SPEAKER === */
.speakers {
  width: 100%;
  margin-top: 2rem;
  padding: 1rem;
  flex-direction: column;
  align-items: center;
}

.speakers .caption {
  color: var(--primary-color);
}

.speakers button {
  background-color: transparent;
  padding: 0.5em 3em;
  align-items: center;
  justify-content: space-between;
  column-gap: 1rem;
  font-size: 1.2rem;
  border: 2px solid black;
  border-radius: 30px;
  margin-top: 1rem;
  color: black;
}

.feat-speaker {
  justify-content: center;
  align-items: center;
  flex-direction: column;
  row-gap: 0.2rem;
  column-gap: 1rem;
  padding: 1em;
  margin: 0 auto;
  overflow: hidden;
  height: 327px;
}

.feat-speaker.hide {
  height: auto;
}

.feat-card {
  column-gap: 1rem;
  justify-content: center;
  align-items: center;
  margin-bottom: 1rem;
}

.speaker-details {
  width: 100%;
  max-width: 300px;
}

.speaker-details .career {
  font-size: 14px;
  margin-top: 0.5rem;
}

.speaker-details .intro h2 {
  font-size: 1rem;
  font-weight: 700;
}

.speaker-details .intro p {
  font-size: 12px;
  color: var(--accent-color);
  font-weight: 700;
}

@media screen and (min-width: 768px) {
  .feat-speaker {
    display: flex;
    flex-direction: row;
    row-gap: 3rem;
    justify-content: center;
    flex-wrap: wrap;
    height: auto;
  }

  #show-more {
    display: none;
  }
}

/* === PARTNER === */
.partner-index {
  display: none;
}

@media (min-width: 768px) {
  .partner-about {
    display: none !important;
  }

  .partner-index {
    display: flex;
    flex-direction: column;
    width: 100%;
    background-color: #444547;
    margin-top: 2rem;
    padding: 4em 1rem;
  }

  .partner-index .sponsors {
    display: flex;
    width: 100%;
    max-width: 250px;
    max-height: 150px;
    opacity: 0.6;
    transition: 0.5s ease-in-out;
  }
}

.partner-about {
  display: flex;
  flex-direction: column;
  width: 100%;
  background-color: #444547;
  margin-top: 2rem;
  padding: 4em 1rem;
}

.partner-about .sponsors {
  display: flex;
  flex-wrap: wrap;
  width: 100%;
  align-items: center;
  justify-content: center;
  max-width: 109px;
  max-height: 75px;
}

.partner .caption {
  color: rgba(255, 255, 255, 0.582);
}

.partner-logo-about {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  opacity: 0.6;
  transition: 0.5s ease-in-out;
}

.partner-logo-about img:hover {
  opacity: 1;
  transform: scale(1.3);
}

.partner-logo-index .sponsors {
  opacity: 0.6;
  transition: 0.5s ease-in-out;
}

.partner-logo-index img:hover {
  opacity: 1;
  transform: scale(1.3);
}

/* === EVENT === */
.events {
  max-width: 968px;
  column-gap: 1rem;
  flex-direction: column;
}

.events .img {
  position: relative;
  margin-top: 1.5rem;
}

.img .event-pic {
  height: 280px;
  width: 100%;
  max-width: 400px;
}

.event-info {
  flex-direction: column;
  position: absolute;
  background-color: #ec5342b4;
  row-gap: 0.5rem;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  align-items: center;
  justify-content: center;
}

.event-info .event-year,
.event-info .event-caption {
  color: white;
}

.event-info .event-year {
  font-size: 2rem;
}

/* === FOOTER === */

.footer-index {
  display: none;
}

@media (min-width: 768px) {
  .footer-index {
    display: flex;
  }

  .footer-index .footer {
    width: 100%;
    padding: 4em 1em;
    column-gap: 3rem;
    justify-content: center;
    align-items: center;
    margin: 0 auto;
    background-color: var(--secondary-color);
  }

  .footer .footer-info {
    width: 46%;
    color: rgba(39, 37, 37, 0.767);
    line-height: 1.7;
    letter-spacing: 0.02rem;
  }

  #myBtn {
    display: block;
  }
}

.footer-about .footer {
  width: 100%;
  padding: 4em 1em;
  column-gap: 3rem;
  justify-content: center;
  align-items: center;
  margin: 0 auto;
  background-color: #fff;
}

footer.about p {
  background-color: var(--primary-color);
  width: 100%;
  color: rgba(39, 37, 37, 0.767);
  line-height: 1.7;
  letter-spacing: 0.02rem;
}

@media (min-width: 768px) {
  .footer-about .footer {
    width: 100%;
    padding: 4em 1em;
    column-gap: 3rem;
    justify-content: center;
    align-items: center;
    margin: 0 auto;
    background-color: var(--primary-color);
  }

  .footer.about p {
    width: 46%;
    color: var(--secondary-color);
    line-height: 1.7;
    letter-spacing: 0.02rem;
  }
}

.footer.about.footer .footer-info {
  width: 46%;
  color: rgba(39, 37, 37, 0.767);
  line-height: 1.7;
  letter-spacing: 0.02rem;
}

@media screen and (min-width: 768px) {
  .events {
    flex-direction: row;
  }

  .footer p {
    width: 50ch;
  }
}

#myBtn {
  display: none; /* Hidden by default */
  position: fixed; /* Fixed/sticky position */
  bottom: 20px; /* Place the button at the bottom of the page */
  right: 30px; /* Place the button 30px from the right */
  z-index: 99; /* Make sure it does not overlap */
  border: none; /* Remove borders */
  outline: none; /* Remove outline */
  background-color: red; /* Set a background color */
  color: white; /* Text color */
  cursor: pointer; /* Add a mouse pointer on hover */
  padding: 15px; /* Some padding */
  border-radius: 10px; /* Rounded corners */
  font-size: 18px; /* Increase font size */
}

#myBtn:hover {
  background-color: #555; /* Add a dark-grey background on hover */
}