*{
  margin: 0;
  padding: 0;
  border: 0;
  outline: 0;
  text-decoration: none;
  list-style: none;
  box-sizing: border-box;
  font-family: 'Montserrat', sans-serif;
}

:root{
  --color-primary: #156bd4;
	--color-primary-variant: rgba(21, 107, 212, 0.5);
  --color-secondary: hsl(39, 98%, 53%);

	--color-gray-0: #fff;
	--color-gray-50: #edecec;
	--color-gray-100: #e6e5e5;
	--color-gray-200: #c0c0c0;
	--color-gray-300: #a1a1a1;
	--color-gray-400: #919191;
	--color-gray-500: #7b7b7b;
	--color-gray-600: #545454;
	--color-gray-700: #313131;
	--color-gray-800: #1f1f1f;
	--color-gray-900: #0e0e0e;

  --box-shadow: 0 0 1rem rgba(0, 0, 0, 0.10);

  --container-width-lg: 80%;
  --container-width-md: 90%;
  --container-width-sm: 94%;

  --transition: all 700ms ease;
}

.dark-theme-variables{
  --color-gray-0: #0e0d14;
	--color-gray-50: #211f2e;
	--color-gray-100: #252233;
	--color-gray-200: #545454;
	--color-gray-300: #7b7b7b;
	--color-gray-400: #919191;
	--color-gray-500: #a1a1a1;
	--color-gray-600: #c0c0c0;
	--color-gray-700: #e6e5e5;
	--color-gray-800: #fafafa;
	--color-gray-900: #fff;
  --box-shadow: 0 0 1rem rgba(255, 255, 255, 0.10);
}

html{
  scroll-behavior: smooth;
}

::-webkit-scrollbar{
  background: rgba(11, 48, 185, 0.25);
  width: 5px;
}

::-webkit-scrollbar-thumb{
  background: var(--color-primary);
}

body{
  line-height: 1.6em;
  color: var(--color-gray-800);
  background: var(--color-gray-0);
  font-size: 0.9rem;
  user-select: none;
}

.container{
  width: var(--container-width-lg);
  margin: 0 auto;
}

section{
  margin-top: 6rem;
  padding: 6rem 0;

  & > h1{
    text-align: center;
    margin-bottom: 1rem;
  }

  & > p{
    text-align: center;
    width: 42%;
    margin: 0.6rem auto 2.5rem;
  }
}

h1,
h2,
h3,
h4,
h5 {
  line-height: 1.2;
}

h1{
  font-size: 2.4rem;
}

h2{
  font-size: 2rem;
}

h3{
  font-size: 1.6rem;
}

h4{
  font-size: 1.3rem;
}

a{
  color: var(--color-gray-900);
}

img{
  width: 100%;
  display: block;
  object-fit: cover;
}

button{
  cursor: pointer;
}

.btn{
  display: inline-block;
  background: var(--color-gray-400);
  color: var(--color-gray-900);
  padding: 1rem 2rem;
  border: 1px solid transparent;
  font-weight: 500;
  transition: var(--transition);
}

.btn:hover{
  background: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

.primary{
  background: var(--color-primary-variant);
  color: var(--color-white);
}



/********************* NAVBAR **********************************/
nav{
  background: var(--color-primary);
  width: 100vw;
  height: 3rem;
  display: grid;
  place-items: center;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 9;
  box-shadow: 0 1rem 1rem rgba(0, 0, 0, 0.2);
}

.nav__container{
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__container a{
  color: white;
  font-weight: 700;
  font-size: 1.1rem;
}

.nav__theme-btn{
  background: transparent;
  color: white;
  font-size: 1.3rem;
  cursor: pointer;
}

/****** FLOATING NAV *********/
.floating__nav{
  position: fixed;
  left: 50%;
  bottom: -8rem;
  transform: translateX(-50%) scale(0);
  background: rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  width: fit-content;
  height: 4.4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.4rem;
  padding: 0.7rem;
  border-radius: 2.2rem;
  opacity: 0;
  z-index: 9;
  animation: animateFloatingNav 1s 1.5s ease forwards;
}

/* bg for dark-theme */
.dark-theme-variables .floating__nav{
  background: rgba(255, 255, 255, 0.1);
}

@keyframes animateFloatingNav {
  to{
    bottom: 1.5rem;
    opacity: 1;
    transform: translateX(-50%) scale(1);
  }
}

.floating__nav a{
  color: var(--color-gray-900);
  width: 3rem;
  aspect-ratio: 1/1;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-size: 1rem;
}

.floating__nav a:hover{
  background: var(--color-gray-0);
}

.floating__nav a.active{
  background: rgba(11, 48, 185, 0.25);
  color: white;
}

/******************** HEADER *********************/
header{
  margin-top: 3rem;
  height: calc(100vh - 3rem);
  display: grid;
  place-items: center;
}

/* make bg a gradient on dark-theme */
.dark-theme-variables header{
  background: linear-gradient(var(--color-gray-100), var(--color-gray-0));
}

.header__container{
  width: 36rem;
  text-align: center;
}

.header__image{
  width: 12rem;
  height: 14rem;
  margin-bottom: 1.5rem;
  overflow: hidden;
  margin-inline: auto;
}

.header__container h5{
  font-size: 0.95rem;
  padding: 0 1.2rem;
}

.header__container p{
  margin: 0.5rem 0 1.5rem;
  padding: 0 1.2rem;
  font-size: 0.8rem;
}

.header__cta{
  padding: 0 1.2rem;
  gap: 1rem;
  margin: 1rem auto;
}

.header__socials{
  position: absolute;
  right: 5%;
  bottom: 10%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
}

.header__socials a{
  background: rgba(0, 0, 0, 0.1);
  color: var(--color-gray-900);
  width: 3.2rem;
  aspect-ratio: 1/1;  
  border-radius: 50%;
  font-size: 1.2rem;
  padding: 0.6rem 1rem;
  transition: var(--transition);
}

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

/****************** RESUME **********************/
.resume__container{
  display: grid;
  grid-template-columns: 35% 65%;
  gap: 3rem;
}

.resume__left menu{
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.resume__left h2, .resume__left p{
  text-align: center;
}

/* Create an active/current "tab button" class */
.resume__left .btn.active{
  background: var(--color-primary-variant);
  color: #0a0a0a;
}

/* Style the tab content */
.resume__right .tabcontent {
  padding: 0px 12px;
  width: 100%;
  height: 300px;
}

.resume__right{
  border-radius: 0.5rem;
  padding: 0.5rem 0.7rem;
}

.resume__right h4{
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  color: var(--color-primary);
}

.resume__right h5{
  margin-bottom: 1rem;
}

.resume__right h6{
  color: var(--color-gray-600);
  font-size: 0.7rem;
}

.resume__right p{
  margin-bottom: 1rem;
}

.resume__right b{
  color: var(--color-primary);
  font-size: 0.8rem;
}

.experience__links, .education__links{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin: 2rem auto;
}

.experience__links li, .education__links li{
  background: var(--color-gray-100);
  color: var(--color-gray-900);
  padding: 1rem 1.5rem;
}

#skills ul{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

#skills ul li img{
  width: 8rem;
  height: auto;
}


/******************** PROJECTS *********************/
.projects__categories{
  display: flex;
  gap: 1rem;
  justify-content: center;
  align-items: center;
  margin: 3rem 0 2.5rem;
  flex-wrap: wrap;
}

.projects__categories .btn.current{
  background: var(--color-primary);
  color: var(--color-gray-50);
}

.projects__container{
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(18rem, 1fr));
  gap: 4rem;
}

.project{
  background: var(--color-gray-100);
  transition: var(--transition);
  padding-bottom: 1.5rem;
  display: none;
  border: 0.5rem solid var(--color-gray-0);
  /* custom animation when filtering projects */
  animation: animateProject 1.5s ease forwards;
}

@keyframes animateProject {
  0%{
    opacity: 0;
  }100%{
    opacity: 1;
  }
}

.project:hover{
  background: transparent;
}

.project__image{
  max-height: 12rem;
  margin-bottom: 1.5rem;
  overflow: hidden;
}

.project h5{
  padding: 0 1.2rem;
}

.project p{
  margin: 0.5rem 0 1.5rem;
  padding: 0 1.2rem;
  font-size: 0.8rem;
}

.project__cta{
  padding: 0 1.2rem;
  display: flex;
  gap: 1rem;
}

.project__cta a{
  font-size: 1.3rem;
  padding: 0.6rem 1rem;
}

.show{
  display: block;
}

/**************** TESTIMONIALS (SWIPER-SLIDE) SECTION *****************/
.swiper-wrapper{
  margin-top: 4rem;
  padding-bottom: 4rem; /* to push pagination down */
}

.swiper-slide{
  background: transparent;
  border: 0.5rem solid var(--color-gray-0);
  cursor: default;
  transition: var(--transition);
}

.swiper-slide:hover{
  background: var(--color-gray-200);
}

.swiper-pagination-bullet{
  background: var(--color-primary);
}

.testimonials__container{
  overflow-x: hidden;
  position: relative;
  margin-bottom: 5rem;
  margin-top: 2rem;
}

.testimonial{
  padding-top: 2rem;
}

.avatar{
  width: 6rem;
  height: 6rem;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 1rem;
  border: 1rem solid var(--color-bg1);
}

.testimonial__info{
  text-align: center;
}

.testimonial__body{
  background: var(--color-primary);
  padding: 2rem;
  margin-top: 3rem;
  position: relative;
}

.testimonial__body::before{
  content: '';
  display: block;
  background: linear-gradient(135deg, transparent, var(--color-primary), var(--color-primary));
  width: 3rem;
  height: 3rem;
  position: absolute;
  left: 48%;
  top: -1.5rem;
  transform: rotate(45deg);
}


/*************** FAQ SECTION *******************/
.faqs__container{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem 5rem;
  /*align-items: flex-start;*/
  margin-top: 4rem;
}

.faq{
  background: var(--color-gray-100);
  padding: 1.5rem;
  border-left: 0.5rem solid var(--color-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 1.4rem;
  height: fit-content;
}

.faq h4{
  /*color: var(--color-gray-800);*/
  font-size: 0.8rem;
  line-height: 1.5;
}

.faq__icon{
  align-self: flex-start;
  font-size: 1.2rem;
}

.faq p{
  margin-top: 0.8rem;
  display: none;
}

/** style for JS **/
.faq.open p{
  display: block;
}




/*********************** BLOG SECTION *************************/

.blog__container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(20rem, 1fr));
  gap: 2rem;
  padding: 2rem 0 3rem;
}

.blog__container article {
  background: var(--color-gray-100);
  /*box-shadow: 0 0 5px var(--color-gray-500);*/
  transition: var(--transition);
  position: relative;
}

.blog__container .blog__content::before {
  position: absolute;
  content: "";
  left: 0;
  bottom: 0;
  height: 2px;
  width: 0%;
  background: #1A76D1;
  opacity: 0;
  visibility: hidden;
  -webkit-transition: var(--transition);
  -moz-transition: var(--transition);
  transition: var(--transition);
}

.blog__container article:hover .blog__content::before {
  opacity: 1;
  visibility: visible;
  width: 100%;
}

.blog__container article:hover {
  /*box-shadow: none;*/
  background: transparent;
}

.blog__container article time {
  display: block;
  margin-bottom: 0.6rem;
  font-style: normal;
  font-size: .8rem;
  line-height: 1;
}

.blog__content {
  padding: 0.6rem 1.2rem 1.4rem;
  position: relative;
}

.blog__content i {
  margin-right: 0.5rem;
}

.blog__content .meta li:last-child i {
  margin-left: 0.4rem;
}

.blog__container a {
  color: var(--color-primary);
  transition: var(--transition);
}

.blog__container a:hover {
  color: var(--color-secondary);
}

.blog__content .meta {
  margin-top: 0.5rem;
}

.blog__content .meta li {
  display: inline-block;
  font-size: .8rem;
}

.blog__content .meta li::after {
  margin-left: 5px;
  content: " | ";
}

.blog__content .meta li:last-child::after {
  content: "";
}

.heading {
  margin: 0 0 0.7rem 0;
  font-size: 1.4rem;
  line-height: normal;
  font-weight: normal;
}

.blog__cta {
  text-align: center;
}




/********************** CONTACT SECTION **************************/
.contact__container{
  width: 36%;
}

.contact__options{
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: fit-content;
  margin-inline: auto;
  gap: 1.2rem;
  margin-bottom: 5rem;
}

.contact__options a{
  background: var(--color-gray-0);
  color: var(--color-primary);
  padding: 1.2rem;
  border-radius: 50%;
  width: 4rem;
  height: 4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: var(--transition);
}

.contact__options a:hover{
  background: var(--color-primary-variant);
  color: var(--color-gray-900);
}

form{
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

form input, form textarea{
  padding: 1.2rem;
  resize: none;
  background: var(--color-gray-0);
  color: var(--color-gray-900);
  border-left: 1px solid var(--color-gray-100);
}

form button{
  width: fit-content;
  border: 0;
  padding: 0.8rem 2rem;
}



/************ FOOTER ************/
footer{
  background: var(--color-gray-100);
  padding-top: 5rem;
  font-size: 0.9rem;
}

.footer__container{
  width: 30rem;
}

.footer__links{
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer__links li a{
  padding: 0.6rem 0;
  text-transform: uppercase;
  color: var(--color-primary);
  transition: var(--transition);
}

.footer__links li a:hover{
  text-decoration: underline;
}

.copyright{
  text-align: center;
  margin-top: 4rem;
  padding: 1.2rem 0;
  border-top: 1px solid var(--color-gray-600);
}






@media screen and (max-width: 1024px) {
  .container{
    width: var(--container-width-md);
  }
}

/*************** MEDIA QUERY (SMALL SCREENS) *****************/
@media screen and (max-width: 600px) {
  body{
    font-size: 1rem;
  }

  .container{
    width: var(--container-width-sm);
  }

  section > h1, section > p{
    width: var(--container-width-sm);
  }

  nav{
    height: 4rem;
  }

  .header__container{
    width: 90%;
  }

  .header__container p{
    margin-top: 0.4rem;
    font-size: 1rem;
  }

  .btn{
    font-size: 1.1rem;
  }

  p{
    font-size: 1.05rem;
    letter-spacing: 0.6px;
  }

  small{
    letter-spacing: 1px;
  }

  .header__socials{
    display: none;
  }

  .resume__container{
    grid-template-columns: 100%;
    gap: 3rem;
  }

  .resume__left menu{
    gap: 0.7rem;
  }

  .experience__links,
  .education__links{
    gap: 1rem;
  }
  
  #skills ul {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .resume__right h4{
    font-size: 1.1rem;
  }

  .resume__right ul h5,
  .faq h4{
    font-size: 0.95rem;
    letter-spacing: 1px;
  }
  
  .resume__right ul b,
  .projects__container p,
  .swiper__client h5{
    font-size: 0.88rem;
    letter-spacing: 1px;
  }

  .resume__right h6{
    font-size: 0.95rem;
    letter-spacing: 1.5px;
  }

  .projects__categories{
    margin-top: 2.3rem;
  }

  .projects h1{
    padding-top: 3rem;
  }

  .projects__container{
    gap: 1.5rem;
  }

  .projects__container h5{
    font-size: 1rem;
    letter-spacing: 1px;
  }

  .swiper-wrapper{
    margin-top: 3rem;
  }

  .faqs__container{
    grid-template-columns: 1fr;
  }

  form button{
    width: 100%;
  }

  .footer__links{
    flex-direction: column;
    gap: 1rem;
    /*display: none;*/
  }
}

@media screen and (max-width: 400px) {
  header{
    padding-top: 4rem;
  }

  .header__container h1{
    font-size: 2rem;
    letter-spacing: 1px;
  }

  .header__cta {
    padding: 0 1rem;
  }

  .projects h1{
    padding-top: 3rem;
  }
}


@media screen and (max-width: 375px) {
  .header__cta .btn{
    font-size: 0.9rem;
  }
}