/* 1. Reset and Base Styles */
*, *::after, *::before {
  margin: 0;
  padding: 0;
  box-sizing: inherit;
  font-family: inherit;
}

html {
  font-size: 62.5%;
  scroll-behavior: smooth;
}

@media only screen and (max-width: 75em) {
  html { font-size: 59%; }
}
@media only screen and (max-width: 56.25em) {
  html { font-size: 56%; }
}
@media only screen and (min-width: 112.5em) {
  html { font-size: 65%; }
}

body {
  box-sizing: border-box;
  position: relative;
  line-height: 1.5;
  font-family: 'Source Sans Pro', sans-serif;
  overflow-x: hidden;
  overflow-y: scroll;
}

/* 2. Typography and Elements */
a {
  text-decoration: none;
  color: inherit;
}
li { list-style: none; }
input:focus, button:focus, a:focus, textarea:focus { outline: none; }
button {
  border: none;
  cursor: pointer;
}
textarea { resize: none; }

/* 3. Headings */
.heading-primary {
  font-size: 6rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  text-align: center;
  color: #111;
  font-weight: 800;
}
@media only screen and (max-width: 37.5em) {
  .heading-primary { font-size: 4.5rem; }
}

.heading-sec__mb-bg { margin-bottom: 11rem; }
@media only screen and (max-width: 56.25em) {
  .heading-sec__mb-bg { margin-bottom: 8rem; }
}
.heading-sec__mb-med { margin-bottom: 9rem; }
@media only screen and (max-width: 56.25em) {
  .heading-sec__mb-med { margin-bottom: 8rem; }
}

.heading-sec__main {
  display: block;
  font-size: 4rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  text-align: center;
  margin-bottom: 3.5rem;
  position: relative;
  color: #111;
}
.heading-sec__main--lt {
  color: #111;
  font-weight: 800;
}
.heading-sec__main::after,
.heading-sec__main--lt::after {
  content: '';
  position: absolute;
  top: calc(100% + 1.5rem);
  height: 5px;
  width: 3rem;
  background: #7843E9;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 5px;
}
.heading-sec__main--lt::after {
  background: #7843E9 !important;
}
@media only screen and (max-width: 37.5em) {
  .heading-sec__main::after { top: calc(100% + 1.2rem); }
}

.heading-sec__sub {
  display: block;
  text-align: center;
  color: #555;
  font-size: 2rem;
  font-weight: 500;
  max-width: 80rem;
  margin: auto;
  line-height: 1.6;
}
@media only screen and (max-width: 37.5em) {
  .heading-sec__sub { font-size: 1.8rem; }
}
.heading-sec__sub--lt { color: #333; }
.heading-sm {
  font-size: 2.2rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* 4. Layout and Containers */
.main-container {
  max-width: 120rem;
  margin: auto;
  width: 92%;
}

.sec-pad { padding: 12rem 0; }
@media only screen and (max-width: 56.25em) {
  .sec-pad { padding: 8rem 0; }
}

/* 5. Buttons */
.btn {
  background: #7843E9;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 1px;
  display: inline-block;
  font-weight: 700;
  border-radius: 5px;
  box-shadow: 0 5px 15px 0 rgba(0,0,0,0.15);
  transition: transform .3s;
}
.btn:hover { transform: translateY(-3px); }
.btn--bg { padding: 1.5rem 8rem; font-size: 2rem; }
.btn--med { padding: 1.5rem 5rem; font-size: 1.6rem; }
.btn--theme { background: #7843E9; color: #fff; }
.btn--theme-inv {
  color: #111;
  background: #fff;
  border: 2px solid #7843E9;
  box-shadow: none;
  padding: calc(1.5rem - 2px) calc(5rem - 2px);
}

/* 6. Text Utilities */
.text-primary {
  color: #333;
  font-size: 2.2rem;
  text-align: center;
  width: 100%;
  line-height: 1.6;
}
@media only screen and (max-width: 37.5em) {
  .text-primary { font-size: 2rem; }
}
.d-none { display: none; }

/* 7. Sections: Hero, About, Projects, Contact, Footer */
.home-hero {
  color: #fff;
  background: linear-gradient(to right, rgba(245,245,245,0.8), rgba(245,245,245,0.8)),url(./assets/svg/common-bg.svg);
  background-position: center;
  height: 100vh;
  min-height: 80rem;
  max-height: 120rem;
  position: relative;
}
@media only screen and (max-width: 37.5em) {
  .home-hero { height: unset; min-height: unset; }
}

.home-hero__socials {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: #fff;
  box-shadow: rgba(100,100,111,0.2) 0px 7px 29px 0px;
  padding: .5rem;
}
@media only screen and (max-width: 56.25em) {
  .home-hero__socials { display: none; }
}

.home-hero__mouse-scroll-cont {
  position: absolute;
  bottom: 3%;
  left: 50%;
  transform: translateX(-50%);
}
@media only screen and (max-width: 37.5em) {
  .home-hero__mouse-scroll-cont { display: none; }
}

.home-hero__social { width: 5rem; }
.home-hero__social-icon-link {
  width: 100%;
  display: block;
  padding: 1rem;
  transition: background .3s;
  border-radius: 5px;
}
.home-hero__social-icon-link:hover { background: rgba(120,67,233,0.2); }
.home-hero__social-icon-link--bd-none { border-bottom: 0; }
.home-hero__social-icon { width: 100%; }
.home-hero__content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  max-width: 90rem;
  width: 92%;
}
@media only screen and (max-width: 37.5em) {
  .home-hero__content {
    padding: 19rem 0 13rem 0;
    margin: auto;
    position: static;
    transform: translate(0, 0);
  }
}
.home-hero__info {
  margin: 3rem auto 0 auto;
  max-width: 80rem;
}
.home-hero__cta { margin-top: 5rem; text-align: center; }

/* About Section */
.about { background: #fafafa; }
.about__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-gap: 10rem;
}
@media only screen and (max-width: 56.25em) {
  .about__content {
    grid-template-columns: 1fr;
    grid-gap: 8rem;
  }
}
.about__content-title {
  font-weight: 700;
  font-size: 2.8rem;
  margin-bottom: 3rem;
}
@media only screen and (max-width: 37.5em) {
  .about__content-title { font-size: 2.4rem; }
}
.about__content-details-para {
  font-size: 1.8rem;
  color: #666;
  max-width: 60rem;
  line-height: 1.7;
  margin-bottom: 1rem;
}
.about__content-details-para--hl {
  font-weight: 700;
  margin: 0 3px;
}
.about__content-details-para:last-child { margin-bottom: 4rem; }
.about__content-details-para a {
  text-decoration: underline;
  font-weight: 700;
  color: #7843E9;
  margin: 0 3px;
}

/* Projects Section */
.projects__row {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  grid-gap: 5rem;
  margin-bottom: 11rem;
}
@media only screen and (max-width: 56.25em) {
  .projects__row {
    grid-template-columns: 1fr;
    grid-gap: 2rem;
    margin-bottom: 8rem;
    text-align: center;
  }
}
.projects__row:last-child { margin-bottom: 0; }
.projects__row-img-cont { overflow: hidden; }
.projects__row-img {
  width: 100%;
  display: block;
  object-fit: cover;
}
.projects__row-content {
  padding: 2rem 0;
  display: flex;
  justify-content: center;
  flex-direction: column;
  align-items: flex-start;
}
@media only screen and (max-width: 56.25em) {
  .projects__row-content { align-items: center; }
}
.projects__row-content-title {
  font-weight: 700;
  font-size: 2.8rem;
  margin-bottom: 2rem;
}
@media only screen and (max-width: 37.5em) {
  .projects__row-content-title { font-size: 2.4rem; }
}
.projects__row-content-desc {
  font-size: 1.8rem;
  color: #666;
  max-width: 60rem;
  line-height: 1.7;
  margin-bottom: 3rem;
}
@media only screen and (max-width: 37.5em) {
  .projects__row-content-desc { font-size: 1.7rem; }
}

/* Contact Section */
.contact {
  background: linear-gradient(to right, rgba(245,245,245,0.8), rgba(245,245,245,0.8)), url(./assets/svg/common-bg.svg);
  background-size: cover;
  background-position: center;
}

.contact__form-container {
  box-shadow: rgba(100,100,111,0.2) 0px 7px 29px 0px;
  background: white;
  padding: 4rem;
  margin-top: 6rem;
  max-width: 80rem;
  text-align: right;
  width: 95%;
  border-radius: 5px;
  margin: 5rem auto 0 auto;
}
@media only screen and (max-width: 37.5em) {
  .contact__form-container { padding: 3rem; }
}
.contact__form-field { margin-bottom: 4rem; }
@media only screen and (max-width: 37.5em) {
  .contact__form-field { margin-bottom: 3rem; }
}
.contact__form-label {
  color: #666;
  font-size: 1.4rem;
  letter-spacing: 1px;
  font-weight: 700;
  margin-bottom: 1rem;
  display: block;
  text-align: left;
}
.contact__form-input {
  color: #333;
  padding: 2rem;
  width: 100%;
  border: 1px solid #ebebeb;
  font-size: 1.6rem;
  letter-spacing: 0px;
  background: #f0f0f0;
  border-radius: 5px;
  font-weight: 600;
}
.contact__form-input::placeholder {
  color: #999;
  font-weight: 600;
  font-size: 1.6rem;
}
.contact__btn {
  display: block;
  margin: 2rem auto 0 auto;
  width: 30%;
  padding: 2rem 4rem;
  font-size: 1.6rem;
  background: #7843E9;       /* Your chosen color */
  color: #fff;
  border: none;
  cursor: pointer;
  transition: background 0.2s;
}

.contact__btn:active {
  background: #502bb5;       /* A darker shade for active state */
}

@media only screen and (max-width: 37.5em) {
  .contact__btn { width: 100%; }
}




/* Project Case Study Section */
.project-cs-hero {
  color: #fff;
  background: linear-gradient(to right, rgba(245,245,245,0.8), rgba(245,245,245,0.8)),url(./assets/svg/common-bg.svg);
  background-size: cover;
  background-position: center;
  position: relative;
}
@media only screen and (max-width: 37.5em) {
  .project-cs-hero { height: unset; min-height: unset; }
}
.project-cs-hero__content {
  padding: 25rem 0 17rem 0;
  max-width: 90rem;
  width: 92%;
  margin: auto;
}
@media only screen and (max-width: 37.5em) {
  .project-cs-hero__content {
    padding: 19rem 0 13rem 0;
    margin: auto;
    position: static;
    transform: translate(0, 0);
  }
}
.project-cs-hero__info {
  margin: 3rem auto 0 auto;
  max-width: 80rem;
}
.project-cs-hero__cta { margin-top: 5rem; text-align: center; }

.project-details__content {
  padding: 8rem 0;
  max-width: 90rem;
  margin: auto;
}
.project-details__content-title {
  font-weight: 700;
  font-size: 2.8rem;
  margin-bottom: 3rem;
}
@media only screen and (max-width: 37.5em) {
  .project-details__content-title { font-size: 2.4rem; }
}
.project-details__showcase-img-cont {
  width: 100%;
  margin-bottom: 6rem;
}
.project-details__showcase-img { width: 100%; }
.project-details__content-main {
  width: 100%;
  max-width: 70rem;
  margin: auto;
}
.project-details__desc { margin: 0 0 7rem 0; }
.project-details__desc-para {
  font-size: 1.8rem;
  line-height: 1.7;
  color: #666;
  margin-bottom: 2rem;
}
.project-details__tools-used { margin: 0 0 7rem 0; }
.project-details__tools-used-list {
  display: flex;
  flex-wrap: wrap;
}
.project-details__tools-used-item {
  padding: 1rem 2rem;
  margin-bottom: 1.5rem;
  margin-right: 1.5rem;
  font-size: 1.6rem;
  background: rgba(153,153,153,0.2);
  border-radius: 5px;
  font-weight: 600;
  color: #777;
}

/* Project buttons */
.project-details__links { margin: 0 0; }
.project-details__links-btn { margin-right: 2rem; }
@media only screen and (max-width: 37.5em) {
  .project-details__links-btn {
    margin-right: 0;
    width: 70%;
    margin-bottom: 2rem;
    text-align: center;
  }
}
.project-details__links-btn:last-child { margin: 0; }
@media only screen and (max-width: 37.5em) {
  .project-details__links-btn:last-child { margin: 0; }
}

/* 8. Header and Navigation */
.header {
  position: fixed;
  width: 100%;
  z-index: 1000;
  background: #fff;
  box-shadow: 0 10px 100px rgba(0,0,0,0.1);
}
.header__content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 5rem;
}
@media only screen and (max-width: 56.25em) {
  .header__content { padding: 0 2rem; }
}
.header__logo-container {
  display: flex;
  align-items: center;
  cursor: pointer;
  color: #333;
  transition: color .3s;
}
.header__logo-container:hover { color: #7843E9; }
.header__logo-img-cont {
  width: 5rem;
  height: 5rem;
  border-radius: 50px;
  overflow: hidden;
  margin-right: 1.5rem;
  background: #7843E9;
}
@media only screen and (max-width: 56.25em) {
  .header__logo-img-cont {
    width: 4.5rem;
    height: 4.5rem;
    margin-right: 1.2rem;
  }
}
.header__logo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}
.header__logo-sub {
  font-size: 1.8rem;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 1px;
}

.header__links { display: flex; }
@media only screen and (max-width: 37.5em) {
  .header__links { display: none; }
}
.header__link {
  padding: 2.2rem 3rem;
  display: inline-block;
  font-size: 1.6rem;
  color: #333;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 700;
  transition: color .3s;
}
.header__link:hover { color: #7843E9; }
@media only screen and (max-width: 56.25em) {
  .header__link {
    padding: 3rem 1.8rem;
    font-size: 1.5rem;
  }
}

.header__main-ham-menu-cont {
  display: none;
  width: 3rem;
  padding: 2.2rem 0;
}
@media only screen and (max-width: 37.5em) {
  .header__main-ham-menu-cont { display: block; }
}
.header__main-ham-menu { width: 100%; }
.header__main-ham-menu-close { width: 100%; }

.header__sm-menu {
  background: #fff;
  position: absolute;
  width: 100%;
  top: 100%;
  visibility: hidden;
  opacity: 0;
  transition: all .3s;
  box-shadow: 0px 5px 5px 0px rgba(0,0,0,0.1);
}
.header__sm-menu--active {
  visibility: hidden;
  opacity: 0;
}
@media only screen and (max-width: 37.5em) {
  .header__sm-menu--active {
    visibility: visible;
    opacity: 1;
  }
}
.header__sm-menu-link a {
  display: block;
  text-decoration: none;
  padding: 2.5rem 3rem;
  font-size: 1.6rem;
  color: #333;
  text-align: right;
  border-bottom: 1px solid #eee;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  transition: color .3s;
}
.header__sm-menu-link a:hover { color: #7843E9; }
.header__sm-menu-link:first-child a { border-top: 1px solid #eee; }
.header__sm-menu-link-last { border-bottom: 0; }

/* 9. Footer */
.main-footer {
  background: #000;
  color: #fff;
}
.main-footer__upper {
  display: flex;
  justify-content: space-between;
  padding: 8rem 0;
}
@media only screen and (max-width: 56.25em) {
  .main-footer__upper { padding: 6rem 0; }
}
@media only screen and (max-width: 37.5em) {
  .main-footer__upper { display: block; }
}
.main-footer__row-1 { order: 2; }
@media only screen and (max-width: 56.25em) {
  .main-footer__row-1 { margin-bottom: 5rem; }
}
.main-footer__row-2 {
  width: 40%;
  order: 1;
  max-width: 50rem;
}
@media only screen and (max-width: 56.25em) {
  .main-footer__row-2 { width: 100%; }
}
.main-footer__short-desc {
  margin-top: 2rem;
  color: #eee;
  font-size: 1.5rem;
  line-height: 1.7;
}
.main-footer__social-cont { margin-top: 2rem; }
.main-footer__icon {
  margin-right: 1rem;
  width: 2.5rem;
}
.main-footer__icon--mr-none { margin-right: 0; }
.main-footer__lower {
  padding: 4rem 0;
  border-top: 1px solid #444;
  color: #eee;
  font-size: 1.2rem;
  text-align: center;
}
.main-footer__lower a {
  text-decoration: underline;
  font-weight: bold;
  margin-left: 2px;
}
@media only screen and (max-width: 56.25em) {
  .main-footer__lower { padding: 3.5rem 0; }
}

/* 10. Skills */
.skills { display: flex; flex-wrap: wrap; }
.skills__skill {
  padding: 1rem 2rem;
  margin-bottom: 1.5rem;
  margin-right: 1.5rem;
  font-size: 1.6rem;
  background: rgba(153,153,153,0.2);
  border-radius: 5px;
  font-weight: 600;
  color: #666;
}

/* 11. Custom Elements: Mouse */
.mouse {
  width: 25px;
  height: 40px;
  border: 2px solid #333;
  border-radius: 60px;
  position: relative;
  overflow: hidden;
}
.mouse::before {
  content: '';
  width: 5px;
  height: 5px;
  position: absolute;
  top: 7px;
  left: 50%;
  transform: translateX(-50%);
  background-color: #333;
  border-radius: 50%;
  opacity: 1;
  animation: wheel 1.3s infinite;
}

@keyframes wheel {
  to {
    opacity: 0;
    top: 27px;
  }
}
@-webkit-keyframes wheel {
  to {
    opacity: 0;
    top: 27px;
  }
}