:root {
  --navy: #0a192f;
  --light-navy: #112240;
  --lightest-navy: #233554;
  --slate: #8892b0;
  --light-slate: #a8b2d1;
  --lightest-slate: #ccd6f6;
  --white: #e6f1ff;
  --green-bright: #64ffda;
  --green-dark: #64ffdb77;
  --green-tint: rgba(100, 255, 218, 0.1);
}

body {
  background-color: var(--navy);
  color: var(--slate);
  font-family: 'NTR', 'Courier Prime', monospace;
  font-size: 18px;
}

#matrix-bg {
  position: absolute;
  width: 100%;
  height: 100vh;
  z-index: -1;
}

section, #about, #experiences, #studies, #projects {
    scroll-margin-top: 100px;
}

/* ===== Navbar ===== */

nav {
    background-color: var(--navy);
}

a.navbar-brand {
    color: var(--lightest-slate);
    font-size: 20px;
    font-weight: bold;
}

a.navbar-brand:hover {
    color: var(--lightest-slate);
    font-weight: bold;
}

a.nav-link {
    color: var(--lightest-slate);
    font-size: 20px;
}

a.nav-link:hover {
    color: var(--green-bright);
}

i.nav-icon {
    font-size: 18px;
}

/* ===== text =====*/

h1 {
    color: var(--lightest-slate);
    font-size: 100px;
    /* font-family: 'Courier Prime'; */
}

h2 {
    color: var(--lightest-slate);
    font-size: 48px;
    /* font-family: 'Courier Prime'; */
}

h3 {
    color: var(--lightest-slate);
}

.text-intro {
    color: var(--slate);
}

.green {
  color: var(--green-bright);
}

.full-width {
  text-align: justify;
}

/* ===== home =====*/

a.hi {
    color: var( --green-bright);
    background-color: var(--navy);
    border-color: var(--green-bright);
    font-size: 24px;
    padding: 10px 30px;
}

a.hi:hover {
    color: var( --green-bright);
    border-color: var(--green-bright);
    background-color: var( --light-navy);
}

i.hi-icon {
  vertical-align: middle;
  font-size:18px;
  vertical-align: middle;
}

.cursor {
  display: inline-block;
  animation: blink 0.7s step-end infinite;
}

@keyframes blink {
  from, to { opacity: 0 }
  50% { opacity: 1 }
}

.fade-in-up {
  opacity: 0;
  transform: translateY(40px);
  animation: fadeInUp 1s ease-out forwards;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== about =====*/

.green-caret-list {
  list-style: none;
}

.green-caret-list li {
  position: relative;
  padding-left: 1.2em;
}

.green-caret-list li:hover {
  color: var(--light-slate);
}

.green-caret-list li::before {
  content: "\f234";
  font-family: "bootstrap-icons"; 
  font-size:16px;
  color: var(--green-bright);
  position: absolute;
  left: 0;
  top: 0;
}

[data-aos="fade-up-short"] {
  opacity: 0;
  transform: translateY(50px);
  transition-property: transform, opacity;
}

[data-aos="fade-up-short"].aos-animate {
  opacity: 1;
  transform: translateY(0);
}

.about-image img{
    max-width: 300px; 
    width: 100%; 
    height: auto;
    margin-left: 20px;
}

@media (max-width: 768px) {
  .about-image img {
    margin-top: 30px;
    margin-left: 0;
  }
}

.about-image img:hover {
    transform:scale(1.05);
}

.mb-end-section {
    margin-bottom: 10vh;
}

/* ===== qualifications =====*/

.year-list {
  list-style: none;
  padding-left: 0;
}

.lecture-id {
    display: inline-block;
    min-width: 120px;
    font-family: 'Courier Prime', monospace;
    font-size: 16px;
}

/* ===== experiences =====*/

.list-exp .list-group-item {
  font-size: 16px;
  padding-right: 50px;
  background-color: var(--navy);
  color: var(--slate);
  border: none;
  border-radius: 0;
  position: relative;
  overflow: hidden;
}

.list-exp .list-group-item:hover {
  background-color: var(--navy);
  color: var(--light-slate);
}

.list-exp .list-group-item.active {
  color: var(--green-bright);
}

.list-group {
  position: relative;
  min-width: 180px;
}

.indicator {
  position: absolute;
  right: 0;
  width: 2px;
  height: 0;
  background: var(--green-bright);
  transition: top 0.3s ease, height 0.3s ease;
  z-index: 2;
}

.ripple {
  position: absolute;
  border-radius: 50%;
  transform: scale(0);
  animation: ripple-animation 0.6s linear;
  background-color: var(--green-tint);
  pointer-events: none;
}

@keyframes ripple-animation {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

@media (max-width: 768px) {
  .list-exp {
    margin-bottom: 10%;
  }
}

.exp-title-link {
  text-decoration: none;
}
.exp-title-link:hover {
  color: var(--green-dark);
}

.gallery-link {
  color: var(--slate);
  text-decoration-color: var(--slate);
  --bs-icon-link-transform: translate3d(0, -.125rem, 0);
}
.gallery-link:hover {
  color: var(--green-bright);
  text-decoration-color: var(--green-bright);
  cursor: pointer;
}

.gallery-img {
  max-height: calc(100vh - 180px);
  max-width: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  margin: auto;
  display: block;
}

.carousel-control-prev, .carousel-control-next {
  filter: drop-shadow(0 2px 6px rgba(0,0,0,0.45));
}

.pdf-embed {
  width: 100%;
  height: 80vh;
  border: none;
}

.btn-close.red {
    background-color: var(--slate);
    border-radius: 50%;
    padding: 10px;
    font-size: 10px;
    opacity: 0.5;
}

/* ===== projects =====*/

#carousel-project:hover {
    transform:scale(1.01)
}
@media (min-width: 1200px) {
  #carousel-project {
    width: 80%;
  }
}

#carousel-project-inner {
  aspect-ratio: 16/9;
  border-radius: 16px;
  background-color: var(--light-navy);
}

#carousel-project-inner .carousel-img {
  filter: brightness(60%);
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card {
    background-color: var(--light-navy);
    border-radius: 16px;
    color: var(--slate);
    min-height: 300px;
    height: 100%;
}

.card:hover {
    background-color: var(--lightest-navy);
}

.project-icon {
  font-size: 40px;
}

.project-icon a {
  font-size: 30px;
  color: var(--slate)
}

.project-icon a:hover {
  color: var(--light-slate)
}

.project-title {
  font-size: 36px;
  color: var(--lightest-slate);
}

.project-tech {
  font-style: italic;
}

/* ===== footer =====*/

.credits {
  font-size: 14px;
}