/* This is the required project styling. Will contain essential CSS styles like:
   * Flex property
   * Grid layout
   * Cards and sections
*/

/* variables */
:root {
  /* Colors */
  --primary-color: #ffcd42;
  --secondary-color: #ffd35c;
  --bg-primary: #ffffff;
  --text-color: #222222;
  --text-color-two: #ffffff;
  --bg-secondary: #000000;
  --card-background: #f4f4f4;
  --bg-secondary-two: #111111;

  --shadow: 0 10px 40px rgba(0, 0, 0, 0.2);

  /* Font Weight */
  --weight-small: 400;
  --weight-semibold: 600;
  --weight-bold: 800;

  /* Max width */
  --width-small: 600px;
  --width-medium: 1100px;
  --width-large: 1300px;
}

[data-theme="dark"] {
  --primary-color: #ffcd42;
  --secondary-color: #ffd35c;
  --bg-primary: #000000;
  --text-color: #ffffff;
  --text-color-two: #222222;
  --bg-secondary: #ffffff;
  --card-background: #111111;
  --bg-secondary-two: #f4f4f4;
  --shadow: 0 2px 10px rgba(95, 95, 95, 0.2);
}

html {
  height: 100%;
  font-size: 100%;
  scroll-behavior: smooth;

}

/* Reset default styling */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

ul {
  list-style: none;
}

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

/* Main styling */
body {
  height: 100%;
  overflow: auto;
  color: var(--text-color);
  font-family: "Raleway", sans-serif;
  line-height: 1.5;
  background: var(--bg-primary);
  background-repeat: no-repeat;
  background-image: url('../assets/bg.png');
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 20;
  height: 80px;
  width: 100%;
}

.navbar .nav-menu {
  display: flex;
  align-items: center;
}
.navbar .nav-menu.active {
  background: var(--bg-primary);
}

.navbar .nav-link {
  margin: 0 1rem;
  font-size: 0.8rem;
  font-weight: var(--weight-semibold);
}

.navbar #logo img {
  display: block;
  width: 40px;
}

.navbar .btn {
  margin-right: 1.5rem;
}

.fas.fa-arrow-right {
  margin-left: 0.5rem;
  font-size: 0.9rem;
}
.typed-out {
  display: inline-block;
  width: 300px;
  overflow: hidden;
  white-space: nowrap;
  animation:
      typing 3s steps(15) infinite;
}

@keyframes typing {
  from {
      width: 0
  }

  to {
      width: 100%
  }
}


/* hamburger */
.hamburger {
  margin-bottom: 0.1rem;
  display: none;
}

.bar {
  display: block;
  width: 23px;
  height: 3px;
  margin: 4px auto;
  transition: all 0.3s ease-in-out;
  border-radius: 30px;
  background-color: var(--bg-secondary);
}

.my-info {
  display: flex;
  flex-direction: column;
}

.avatar-image {
  width: 150px;
  border-radius: 50%;
}

.division {
  width: 100%;
  height: 2px;
  background-color: var(--card-background);
  margin: 3rem 0;
}
/* Projects */
#projects {
  display: flex;
  flex-direction: column;
  margin: 2rem auto 5rem;
}

#projects .btn {
  align-self: center;
  margin: 2rem 0;
}

.project {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: minmax(250px, auto);
  grid-gap: 3rem;
}

.card{
  overflow: hidden;
  position: relative;
} 
.card .project-bio p {
  font-size: 0.83rem;
}

.card .project-bio h3 {
  font-size: 1.2rem;
}

.project-info {
  width: 100%;
  display: flex;
  justify-content: space-between;
  opacity: 0;
  position: absolute;
  bottom: 0;
  left: 0;
  transition: 0.5s ease-in-out;
}

.project-bio {
  padding: 8px 1rem;
  width: 100%;
  background-color: #00000050;
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;

}
/* Footer */
#footer {
  background: #111111;
}

#footer .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  min-height: 160px;
  text-align: center;
}

#footer a {
  font-size: 0.8rem;
  color: #fff;
}

#footer a:hover {
  opacity: 0.6;
}

#footer .social {
  margin: 0.9rem 0;
}

#footer .social img {
  width: 20px;
  height: 20px;
}

#footer .social a {
  margin: 0 0.5rem;
}

#footer p {
  font-size: 0.8rem;
}

/* Responsiveness */

@media (max-width: 1000px) {
  .project {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
}

@media (max-width: 670px) {
  .navbar .nav-menu {
    position: fixed;
    right: -100vw;
    top: 4.5rem;
    flex-direction: column;
    width: calc(80% - 10px);
    transition: 0.3s;
    box-shadow: var(--shadow);
    padding: 2rem;
    border-radius: 5px;
    align-items: flex-start;
  }

  .navbar .btn {
    margin: 0;
    margin-top: 1rem;
  }

  .nav-menu.active {
    right: 20px;
  }

  .nav-menu .nav-link {
    font-size: 0.9rem;
    margin: 0 0.2rem;
  }

  .nav-menu li {
    margin-bottom: 0.5rem;
    width: 100%;
  }

  .nav-menu .btn {
    width: 100%;
    text-align: center;
    margin-top: 0.5rem;
  }

  .hamburger {
    display: block;
    cursor: pointer;
    padding: 0.2rem 0.4rem;
  }

  .hamburger.active {
    border: 1px dotted gray;
  }

  .hamburger.active .bar:nth-child(2) {
    opacity: 0;
  }

  .hamburger.active .bar:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }

  .hamburger.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
}

@media (max-width: 600px) {
  .project {
    display: grid;
    grid-template-columns: 1fr;
  }

  .header-container .btn {
    border-radius: 5px;
    width: 80%;
  }
}

.container {
  max-width: var(--width-medium);
  margin: 0 auto;
  padding: 1rem 2rem;
}

h1::selection,
h2::selection {
  color: #111;
  background: var(--primary-color);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.9rem;
  border-radius: 30px;
  text-transform: uppercase;
  font-size: 0.82rem;
  transition: 0.3s;
}

.btn-primary {
  background: var(--primary-color);
  color: #000000;
}

.btn-secondary {
  margin: 5px 0;
  background-color: var(--bg-secondary);
  color: var(--bg-primary);
}

/* add hover to resume button */
.btn-primary:hover {
  background: var(--secondary-color);
}

/* Dark mode toggle */
#switch {
  display: none;
}

.toggle-icons {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.toggle-icons > img {
  transition: 0.6s cubic-bezier(0.23, 1, 0.32, 1);
  width: 30px;
}

.moon {
  transform: rotate(10deg);
}

#switch:checked + .toggle-icons .moon {
  transform: rotate(250deg);
}

#switch:checked + .toggle-icons .sun {
  transform: rotate(100deg);
}
#light .sun{
display: none;
}
#dark .moon{
display: none;
}
/* Header Container */
.header-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-top: 8rem;
  padding: 1rem;
}

.header-container > div {
  margin-top: 1rem;
}

.content-text {
  text-align: center;
  margin: 1rem 0 2.5rem 0;
}

.content-text h2 {
  font-size: 3rem;
  line-height: 1.2;
  transition: 0.2s ease-in-out;
}

.content-text p {
  padding: 0.5rem;
  margin: 0 auto;
  max-width: 700px;
}

/* Project cards */
.card {
  background: var(--card-background);
  color: #ffffff;
  border-radius: 5px;
  transition: 0.4s ease-in-out;
  cursor: pointer;
  box-shadow:5px 5px 20px rgba(0, 0, 0, 0.2);
}

.card a {
  color: #ffffff;
  transition: 0.25s ease-in-out;
  font-size: 1.1rem;
  margin-right: 0.3rem;
}

.card:hover  {
  box-shadow:5px 5px 20px rgba(0, 0, 0, 0.8);
}

.card a:hover {
  color: var(--primary-color);
}


.card:hover .project-info {
  opacity: 1;
}

/* Project Images */

/* project 1 */
.card:nth-child(1) {
  background: url(../assets/project/project-one.png) center center/cover;
}

/* Project 2 */
.card:nth-child(2) {
  background: url(../assets/project/project-two.png) center center/cover;
}

/* Project 3 */
.card:nth-child(3) {
  background: url(../assets/project/project-three.png) center center/cover;
}

/* Project 4 */
.card:nth-child(4) {
  background: url(../assets/project/project-four.png) center center/cover;
}

/* Project 5 */
.card:nth-child(5) {
  background: url(../assets/project/project-five.png) center center/cover;
}

/* Project 6 */
.card:nth-child(6) {
  background: url(../assets/project/project-six.png) center center/cover;
}

/* Media Queries */
@media (max-width: 768px) {
  .header-container {
    margin-top: 7rem;
    text-align: center;
  }

  .content-text h2 {
    font-size: 2.5rem;
  }
}

.btn-secondary {
  width: 8rem;
  height: 3rem;
  text-align: center;
  cursor: pointer;
  position: relative;
  background: linear-gradient(90deg, #000, #4e4e4e);
  overflow: hidden;
  text-transform:lowercase;
  transition: all 0.5s;
}
.btn-secondary::before{
  content: '加入语音';
  height: 100%;
  width: 100%;
  left: 0;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
}
.btn-secondary:hover {
  animation: animate1 1s;
  width: 12rem;
}
.btn-secondary:hover::before {
  content: '进入404 HACKER频道';

}
.btn-secondary span {
  position: absolute;
  transform: translate(-50%, -50%);
  pointer-events: none;
  border-radius: 50%;
  animation: animate 1s linear infinite;
  background: #fff;
}

@keyframes animate {
  0% {
      width: 0px;
      height: 0px;
      opacity: 0.5;
  }

  100% {
      width: 500px;
      height: 500px;
      opacity: 0;
  }
}
@keyframes animate1 {
  0% {
    
      opacity: .5;
  }

  100% {
      opacity: 1;
  }
}