:root {
  --font-1: "Playfair Display", serif;
  --font-2: "Poppins", sans-serif;
}

.navbar {
  background-color: black;
}

.container-flex {
  background: black;
  border-bottom-right-radius: 5px;
  border-bottom-left-radius: 5px;
  display: block;
  font-family: var(--font-2);
  justify-content: center;
  padding: 20px;
  text-align: center;
}

h1 {
  font-size: 80px;
  font-family: var(--font-1);
  font-weight: bold;
  margin: 0 auto;
}

h2 {
  font-size: 50px;
  font-family: var(--font-1);
  font-weight: bold;
}

h3 {
  font-size: 24px;
  font-family: var(--font-1);
  font-weight: bold;
  opacity: 0.7;
}

h3 .prefix {
  font-family: var(--font-1);
  font-weight: bold;
  font-size: 19px;
}

.nav-link {
  font-family: var(--font-1);
  font-weight: 600;
}

.nav-link:hover {
  cursor: pointer;
  color: white;
  text-decoration: underline;
}

.hero-title {
  transition: opacity 0.9s ease, transform 0.9s ease;
}

.fade-out {
  opacity: 0;
  transform: translateY(6px);
}

h4 {
  font-family: var(--font-1);
  font-weight: bold;
}

#about {
  padding-top: 80px;
}

.projects-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 40px;
}

.project-card:nth-child(1) {
  grid-row: 1 / span 2;
}
.project-card:nth-child(2) {
  grid-row: 2 / span 2;
}
.project-card:nth-child(3) {
  grid-row: 3 / span 2;
}
.project-card:nth-child(4) {
  grid-row: 4 / span 2;
}
.project-card:nth-child(5) {
  grid-row: 5 / span 2;
}
.project-card:nth-child(6) {
  grid-row: 6 / span 2;
}

.project-card {
  background: #0f0f0f;
  border-radius: 20px;
  padding: 25px;
}

#projects {
  padding-top: 100px;
}

#contacts {
  padding-top: 80px;
}

.email {
  font-family: "Londrina Shadow", sans-serif;
  font-weight: 400;
  font-size: 55px;
  opacity: 0.7;
}

.bi {
  opacity: 0.7;
}

.arrow {
  color: #ffff;
}

.hero {
  display: block;
  padding: 10px 60px;
  text-align: center;
}

.hero h1 {
  font-family: var(--font-1);
  font-weight: bold;
  opacity: 0.8;
  margin-top: 0;
}

.hero h2 {
  font-family: var(--font-1);
  font-weight: bold;
}

.hero h3 {
  font-size: 24px;
  font-family: var(--font-1);
  font-weight: normal;
  line-height: 2;
}

.my-picture {
  border-radius: 10px;
  max-width: 100%;
  max-height: 70%;
}

.describe p {
  font-family: var(--font-2);
  font-size: 16px;
  font-weight: 400;
}

.work {
  font-family: var(--font-1);
  font-size: 28px;
}

.work:hover {
  color: #272142;
  text-decoration: none;
}

.name {
  font-size: 64px;
  margin-bottom: 10px;
}

.button {
  background: #ffff;
  border-radius: 15px;
  color: #0f0f0f;
  font-weight: 700;
}

.tools {
  color: rgb(239, 56, 56);
  font-weight: 700;
  font-size: 18px;
}

.tool {
  max-width: 10%;
}

footer {
  background: black;
  border-radius: 5px;
}

.navbar-nav {
  border: solid 1px #ffff;
  border-radius: 10px;
}

.project-card .img-fluid {
  transform: translateY(-50px);
  opacity: 0;
  transition: transform 2.5s ease-out, opacity 2.5s ease-out;
}

.project-card .img-fluid.visible {
  transform: translateY(0);
  opacity: 1;
}

.hero .img-fluid {
  box-shadow: 0 10px 20px rgba(255, 255, 255, 0.4);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.hero:hover .img-fluid {
  transform: scale(1.05) translateY(-4px);
  box-shadow: 0 12px 25px rgba(255, 255, 255, 0.5);
}

.snippet {
  display: block;
  margin: 10px auto;
  padding-top: 15px;
  transform: scale(0.1);
  animation: popUp 1.8s forwards, hop 1s 2.5s infinite alternate;
}

@keyframes popUp {
  0% {
    transform: scale(0.1);
    opacity: 0;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

@keyframes hop {
  0% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
  100% {
    transform: translateY(0);
  }
}

body {
  position: relative;
  z-index: 1;
}

.container,
.container-fluid,
.container-flex,
.hero,
#about,
#contacts,
#projects,
#tech-stack,
footer {
  position: relative;
  z-index: 2;
}

@media (max-width: 540px) {
  .navbar-nav {
    background: #000;
    border: none;
    padding: 10px 0;
    border-radius: 12px;
  }

  .navbar-nav .nav-link {
    padding: 12px 20px;
    text-align: center;
    font-size: 18px;
  }

  .navbar-toggler {
    z-index: 1050;
  }

  .navbar-toggler-icon {
    background-image: url("data:image/svg+xml;charset=utf8,%3Csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='white' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
  }

  #about .row {
    display: flex;
    flex-direction: column;
  }
}

@media (max-width: 768px) {
  h1 {
    font-size: 48px;
  }

  h2 {
    font-size: 32px;
  }

  h3 {
    font-size: 18px;
    line-height: 1.6;
  }

  .hero {
    padding: 20px 20px;
  }

  .pic {
    margin-top: 30px;
  }

  .projects-grid {
    display: block;
  }

  .project-card {
    margin-bottom: 30px;
  }

  .project-card:nth-child(n) {
    grid-row: auto;
  }

  .snippet {
    width: 100%;
    margin-top: 20px;
  }

  .email {
    font-size: 28px;
    word-break: break-word;
  }

  footer p {
    font-size: 14px;
  }
}

@media (max-width: 1024px) {
  h1 {
    font-size: 64px;
  }

  h2 {
    font-size: 40px;
  }

  .projects-grid {
    gap: 25px;
  }

  .project-card {
    padding: 20px;
  }

  .snippet {
    width: 100%;
  }
}

.cubes-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

.stair {
  position: absolute;
  display: flex;
  flex-direction: column;
  gap: 6px;
  animation: fall linear infinite;
}

.step {
  display: flex;
  gap: 6px;
}

.cube {
  width: 12px;
  height: 12px;
  background: rgba(255, 255, 255, 0.7);
}

.step:nth-child(1) .cube {
  opacity: 0.4;
}
.step:nth-child(2) .cube {
  opacity: 0.5;
}
.step:nth-child(3) .cube {
  opacity: 0.6;
}

@keyframes fall {
  from {
    transform: translateY(-120px);
  }
  to {
    transform: translateY(110vh);
  }
}