* {
  font-family: 'Segoe UI';
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  outline: none;
  border: none;
  text-decoration: none;
  /*text-transform: capitalize;*/
  transition: 0.2s linear;
}

/* css variables */
:root {
  --white: #fff;
  --back-gray: #eeeeee;
  --dark-gray: #ababab;
  --light-gray: #808080;
  --dark-bg: #222222;
  --light-bg: #333333;
  /*--yellow: #bac964;*/
  --yellow: #6c97d6;
  --negro-trans: rgba(0, 0, 0, 0.506);
  --box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.1);
}

html {
  font-size: 62.5%;
  overflow-x: hidden;
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

html::-webkit-scrollbar {
  width: 1rem;
}

html::-webkit-scrollbar-track {
  background: var(--white);
}

html::-webkit-scrollbar-thumb {
  background: var(--light-bg);
}

body {
  background-color: var(--dark-bg);
}

section {
  padding: 5rem 9%;
}

/* home */
.home {
  height: 70vh;
  /*filter: grayscale(100%);*/
  background-size: cover;
  background-position: center;
  background-attachment: fixed;

  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  text-align: center;
}

.home .hero-text {
  margin-top: 27vh;
  font-size: 7rem;
  color: var(--white);
  font-weight: 200;
  line-height: 1.2;
}

.home .hero-text span {
  font-weight: 800;
}

.home p {
  color: var(--dark-gray);
  font-size: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.3rem;
}
/* home */

/* header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  padding: 5rem 9%;
  z-index: 100;
  background-color: var(--negro-trans);
}

.header .navbar {
  display: flex;
  align-items: center;
  justify-content: center;
}

.header .navbar a {
  font-size: 1.5rem;
  color: var(--white);
  padding: 0 2rem;
  letter-spacing: 0.3rem;
  font-weight: 300;
  text-transform: uppercase;
}

.header .menu {
  font-size: 2.5rem;
  color: var(--white);
  cursor: pointer;
  text-align: left;
  display: none;
}

.header .menuimg {
  display: none;
}

.header.active {
  background-color: var(--white);
  padding: 3rem 9%;
}

.header.active .navbar a {
  color: var(--dark-bg);
}

.header.active .navbar a:hover {
  color: var(--yellow);
}

.header.active .menu {
  color: var(--dark-bg);
}
/* header */

/* portfolio */
/* utility class */
a {
  text-decoration: none;
}
.heading {
  color: var(--dark-bg);
  font-size: 3rem;
  font-weight: 200;
  text-align: center;
  padding-bottom: 4rem;
}

.heading span {
  font-weight: 700;
}
/* utility class */

.portfolio .box-container .box .image {
  height: 30rem;
  overflow: hidden;
  position: relative;
}

.portfolio .box-container .box .image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.portfolio .box-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(30rem, 1fr));
  gap: 4rem;
}

.portfolio .box-container .box {
  background-color: var(--light-bg);
  padding: 1rem;
  box-shadow: var(--box-shadow);
}

.portfolio .box-container .box:hover img {
  transform: scale(1.2);
}

.portfolio .box-container .box .image .content {
  position: absolute;
  left: 0;
  bottom: 0;
  right: 0;
  background-color: var(--light-bg);
  padding: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: translateY(100%);
}

.portfolio .box-container .box .content h2 {
  font-size: 2rem;
  color: var(--white);
  letter-spacing: 0.1rem;
  text-transform: uppercase;
}

.portfolio .box-container .box:hover .image .content {
  transform: translateY(0);
}
/* portfolio */
/* add scrollbar */
/* fix header */

/* resume */
.resume .col .box {
  background-color: var(--light-bg);
  padding: 2.5rem;
  margin: 2rem 0;
  box-shadow: var(--box-shadow);
}

.resume .col-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(30rem, 1fr));
  gap: 4rem;
}

.resume .col h2 {
  font-size: 2.5rem;
  color: var(--white);
  font-weight: 200;
  padding-bottom: 2rem;
}

.resume .col .box span {
  color: var(--white);
  font-size: 1.7rem;
  display: flex;
  align-items: center;
}

.resume .col .box span i {
  padding-right: 0.5rem;
  font-size: 1.7rem;
}

.resume .col .box h3 {
  color: var(--yellow);
  font-size: 2rem;
  margin-top: 1rem;
  font-weight: 400;
}

.resume .col .box p {
  font-size: 1.7rem;
  color: var(--dark-gray);
  margin-top: 1rem;
  line-height: 1.5;
  text-transform: none;
}

.resume .col .box .university {
  color: var(--light-gray);
  text-transform: capitalize;
}
/* resume */

/* about */
.about .box-container .box .image {
  height: 100%;
  overflow: hidden;
}

.about .box-container .box .image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.about .box-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(30rem, 1fr));
  gap: 4rem;
}

.about .box-container .box p {
  color: var(--dark-gray);
  margin-bottom: 2rem;
  font-size: 1.7rem;
  letter-spacing: 0.1rem;
  line-height: 1.5;
  text-transform: none;
}

/* utlity class */
.btn-1 {
  background-color: var(--yellow);
  font-size: 1.7rem;
  padding: 1rem 2rem;
  border-radius: 2rem;
  color: var(--white);
  text-transform: uppercase;
  margin-right: 1rem;
  display: inline-block;
  margin-top: 1rem;
}
/* utlity class */
/* about */

/* clients */
.clients .box-container .box .image {
  width: 12rem;
  height: 12rem;
  overflow: hidden;
  margin: 0 auto;
}

.clients .box-container .box .image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.clients .box-container .box {
  text-align: center;
  background-color: var(--light-bg);
  padding: 2.5rem;
  box-shadow: var(--box-shadow);
}

.clients .box-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(30rem, 1fr));
  gap: 4rem;
}

.clients .box-container .box .content {
  margin-top: 2rem;
}

.clients .box-container .box .content p:nth-child(1) {
  font-size: 1.7rem;
  color: var(--dark-gray);
  margin-bottom: 2rem;
  line-height: 1.5;
  letter-spacing: 0.1rem;
  text-transform: none;
}

.clients .box-container .box .content p:nth-child(2) {
  font-style: italic;
  font-size: 1.5rem;
  color: var(--light-gray);
}

.clients .box-container .box .content p:nth-child(2) span {
  color: var(--yellow);
  font-style: normal;
}
/* clients */

/* services */

.services .noti-container {
  font-size: 1.7rem;
  padding: 2.5rem;
  box-shadow: var(--box-shadow);
}

.services .box-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(30rem, 1fr));
  gap: 4rem;
}

.services .box-container .box {
  background-color: var(--light-bg);
  padding: 2.5rem;
  text-align: center;
  box-shadow: var(--box-shadow);
}

.services .box-container .box .icon {
  font-size: 4rem;
  color: var(--light-bg);
  background-color: var(--yellow);
  padding: 2.5rem;
  border-radius: 50%;
  margin-bottom: 2rem;
}

.services .box-container .box h2 {
  font-size: 2rem;
  color: var(--white);
  font-weight: 400;
  margin-bottom: 2rem;
}

.services .box-container .box p {
  font-size: 1.7rem;
  color: var(--dark-gray);
  margin-bottom: 2rem;
  line-height: 1.5;
  text-transform: none;
  letter-spacing: 0.1rem;
}

.services .box-container .box .btn-2 {
  font-size: 1.7rem;
  color: var(--yellow);
  display: flex;
  justify-content: center;
}

.services .box-container .box .btn-2:hover i {
  padding-left: 1.5rem;
}
/* services */

/* blogs */
.blogs .box-container .box .image {
  height: 30rem;
  overflow: hidden;
}

.blogs .box-container .box .image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.blogs .box-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(30rem, 1fr));
  gap: 4rem;
}

.blogs .box-container .box {
  background-color: var(--light-bg);
}

.blogs .box-container .box .content {
  padding: 2.5rem;
}

.blogs .box-container .box .content h2 {
  font-size: 2rem;
  color: var(--white);
  font-weight: 400;
  margin-bottom: 2rem;
}

.blogs .box-container .box .content p {
  color: var(--dark-gray);
  margin-bottom: 2rem;
  font-size: 1.7rem;
}

.blogs .box-container .box .content span {
  font-size: 1.5rem;
  color: var(--light-gray);
  margin-right: 2rem;
}

.blogs .box-container .box .content span i {
  font-size: 1.7rem;
  vertical-align: -0.3rem;
}

.blogs .box-container .box .content span:hover {
  color: var(--yellow);
  cursor: pointer;
}
/* blogs */

/* contact */
.contact .col-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(25rem, 1fr));
  gap: 6rem;
}

.contact .col-container .col h2 {
  font-size: 2.5rem;
  color: var(--white);
  font-weight: 200;
  padding-bottom: 5rem;
}

.contact .col-container .col input,
.contact .col-container .col textarea {
  background-color: var(--light-bg);
  width: 100%;
  padding: 1rem 2rem;
  border-radius: 0.5rem;
  font-size: 1.7rem;
  color: var(--dark-gray);
  margin: 0.5rem 0;
  resize: vertical;
}

.contact .col-container .col p {
  font-size: 1.7rem;
  color: var(--yellow);
  text-transform: uppercase;
  letter-spacing: 0.1rem;
}

.contact .col-container .col span {
  font-size: 1.5rem;
  color: var(--dark-gray);
  letter-spacing: 0.1rem;
}
/* contact */

/* footer */
.footer {
  border-top: 0.2rem solid var(--light-bg);
  text-align: center;
}

.footer .socials ion-icon {
  font-size: 2.5rem;
  color: var(--yellow);
  background-color: var(--light-bg);
  border-radius: 50%;
  padding: 1rem;
  margin: 0 1rem;
  cursor: pointer;
}

.footer p {
  font-size: 1.7rem;
  color: var(--dark-gray);
  margin-top: 3rem;
}
/* footer */

/* media queries */
@media (max-width: 1200px) {
  .header {
    padding: 3rem 2rem;
  }

  .header.active {
    padding: 2rem;
  }

  section {
    padding: 3rem 2rem;
  }
}

@media (max-width: 991px) {
  html {
    font-size: 60%;
  }
}

@media (max-width: 768px) {
  .header .menu {
    display: block;
  }

  .header .menuimg{
    display: block;
  }

  .header .navbar {
    position: fixed;
    top: 6rem;
    left: 0;
    right: 0;
    background: var(--white);
    display: flex;
    flex-flow: column;
    text-align: center;
    transform: translateX(100%);
  }

  .header .navbar a {
    color: var(--dark-bg);
    margin: 0;
    font-size: 2rem;
    margin: 2rem 0;
  }

  header .navbar.show {
    transform: translateX(0);
  }
}

@media (max-width: 450px) {
  html {
    font-size: 55%;
  }

  .home .hero-text {
    font-size: 6rem;
  }
}
/* media queries */

#niveles {
  position: relative;
  transition: all .3s ease;
  height: 30rem;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

#niveles img:first-child{
  box-shadow: 0 60px 60px -60px rgba(0, 30, 255, 0.5);
  border-radius: 4px;
  object-fit: cover;
  height: 30rem;
}

#niveles img:last-child {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  margin: auto;
  transform: translateY(25%);
  transition: .3s ease;
  opacity: 0;
  height: 30rem;
}

#niveles:hover {
  transform: perspective(250px) rotateX(10deg) translateY(-5%) translateZ(0);
}

#niveles::before {
  content: '';
  position: absolute;
  bottom: 0;
  height: 100%;
  width: 100%;
  opacity: 0;
  transition: al .3s ease;
}

#niveles:hover::before {
  opacity: 1;
}

#niveles:hover img:last-child {
  opacity: 1;
  transform: translateY(10%);
}

#niveles:hover img:first-child {
  filter: brightness(70%);
}