/* Styles CSS */


/* copyright 2023 Jerry */


/* Custom Property */

:root {
/**
 * colors
 */

--international-orange-engineering: hsl(1, 91%, 37%);
--cadet-blue-creyola: hsl(222, 14%, 69%);
--oxford-blue-1: hsl(222, 47%, 15%);
--oxford-blue-2: hsl(222, 44%, 14%);
--oxford-blue-3: hsl(222, 50%, 11%);
--sonic-silver: hsl(0, 0%, 44%);
--space-cadet: hsl(222, 44%, 18%);
--pastel-pink: hsl(1, 53%, 75%);
--eerie-black: hsl(0, 0%, 15%);
--light-gray: hsl(0, 0%, 80%);
--white: hsl(0, 0%, 100%);

/**
 * typography
 */

--ff-chakra-petch: 'Chakra Petch', sans-serif;
--ff-mulish: 'Mulish', sans-serif;
 
--fs-1: 3.5rem;
--fs-2: 3rem;
--fs-3: 2.4rem;
--fs-4: 1.8rem;
--fs-5: 1.4rem;
--fs-6: 1.2rem;
 
--fw-400: 400;
--fw-600: 600;
--fw-700: 700;

/**
 * spacing
 */
--section-padding: 60px;

/**
 * box shadow
 */

--shadow: 0px 0px 100px 0px hsl(216, 9%, 90%); 

/**
 * border radius
 */

--radius-pill: 100px;
--radius-circle: 50%;
 
/**
 * transition
 */
 
--transition: 0.25s ease;
--cubic-out: cubic-bezier(0.05, 0.83, 0.52, 0.97);
 
}

/* Reset */

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

li {
  list-style: none;
}

a,
img,
span,
button {
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  height: auto;
}

button {
  background: none;
  border: none;
  font: inherit;
  cursor: pointer;
}

address {
  font-style: normal;
}

html {
  font-family: var(--ff-mulish);
  font-size: 10px;
  scroll-behavior: smooth;
}

body {
  background-color: var(--white);
  color: var(--sonic-silver);
  font-size: 1.6rem;
  line-height: 1.5;
}

:focus-visible {
  outline-offset: 4px;
}

::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background-color: hsl(0, 0%, 98%);
}

::-webkit-scrollbar-thumb {
  background-color: hsl(0, 0%, 80%);
}

::-webkit-scrollbar-thumb:hover {
  background-color: hsl(0, 0%, 70%);
}


/* Reused Style */
.container {
  padding-inline: 16px;
}

.material-symbols-rounded {
  --fs: 1em;
  font-variation-settings: 'FILL' 0, 'wght' 600, 'GRAD' 0, 'opsz' 40;
  font-size: var(--fs);
  width: 1em;
  overflow: hidden;
}

.has-bg-image {
  background-repeat: no-repeat;
  background-size: cover;
  background-position: left;
}

.section-subtitle {
  max-width: max-content;
  font-family: var(--ff-chakra-petch);
  font-size: var(--fs-5);
  font-weight: var(--fw-600);
  text-transform: uppercase;
  margin-block-end: 12px;
  margin-inline: auto;
}

.section-subtitle::before {
  content: "";
  display: inline-block;
  height: 15px;
  width: 30px;
  margin-block-end: -2px;
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
}

.section-subtitle.\:dark {
  color: var(--white);
}

.section-subtitle.\:dark::before {
  background-image: url("../img/text-bars-light.png");
}

.section-subtitle.\:light {
  color: var(--international-orange-engineering);
}

.section-subtitle.\:light::before {
  background-image: url("../img/text-bars-dark.png");
}

.section-title {
  text-align: center;
}

.h1,
.h2,
.h3,
.display-1 {
  font-family: var(--ff-chakra-petch);
  font-weight: var(--fw-700);
  text-transform: uppercase;
}

.display-1 {
  font-size: var(--fs-1);
}

.h1 {
  color: var(--white);
  font-size: var(--fs-1);
  line-height: 1.1;
  letter-spacing: 1px;
}

.h2,
.h3 {
  color: var(--eerie-black);
  font-weight: var(--fw-600);
  line-height: 1.2;
}

.h2 {
  font-size: var(--fs-3);
}

.h3 {
  font-size: var(--fs-4);
}

.btn {
  background-color: var(--international-orange-engineering);
  color: var(--white);
  max-width: max-content;
  font-family: var(--ff-chakra-petch);
  font-weight: var(--fw-600);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  transition: var(--transition);
  will-change: transform;
}

.btn:is(:hover, :focus-visible) {
  transform: translateY(-5px);
  background-color: var(--oxford-blue-3);
  border-color: var(--white);
}

.move-anim {
  animation: moving 2s ease-in-out infinite alternate;
}

@keyframes moving {
  0% {
    transform: translateY(0);
  }
  100% {
    transform: translateY(10px);
  }
}

.section {
  padding-block: var(--section-padding);
}

.btn-link {
  font-family: var(--ff-chakra-petch);
  text-transform: uppercase;
  color: var(--international-orange-engineering);
  font-weight: var(--fw-700);
}

.w-100 {
  width: 100%;
}

.img-holder {
  aspect-ratio: var(--width) / var(--height);
  background-color: var(--light-gray);
  overflow: hidden;
}

.img-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.has-scrollbar {
  display: flex;
  align-items: center;
  gap: 30px;
  overflow-x: auto;
  scroll-snap-type: initial mandatory;
  padding-block-end: 20px;
}

.scrollbar-item {
  min-width: 100%;
  scroll-snap-align: start;
}

.has-scrollbar::-webkit-scrollbar {
  height: 16px;
}

.has-scrollbar::-webkit-scrollbar-track {
  background-color: var(--pastel-pink);
  border-radius: 20px;
}

.has-scrollbar::-webkit-scrollbar-thumb {
  background-color: var(--international-orange-engineering);
  border-radius: 20px;
  border: 3px solid var(--pastel-pink);
}

.has-scrollbar::-webkit-scrollbar-button {
  width: 15%;
}




/* Header */

.header .btn {
  display: none;
}

.header {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  padding: 40px 15px;
  padding-inline-start: 40px;
  z-index: 4;
}

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

.logo img {
  width: 100px;
}

.nav-toggle-icon {
  width: 30px;
  height: 2px;
  background-color: var(--white);
  transition: var(--transition);
}

.nav-toggle-icon:not(:last-child){
  margin-block-end: 7px;
}

.nav-toggle-btn.active .icon-2 {
  opacity: 0;
  transform: translateX(-10px);
}

.nav-toggle-btn.active .icon-1 {
  transform: rotate(45deg) translate(8px, 8px);
}

.nav-toggle-btn.active .icon-3 {
  transform: rotate(-45deg) translate(4px, -4px);
}

.navbar {
  position: absolute;
  top: 100px;
  right: 30px;
  background-color: var(--international-orange-engineering);
  min-width: max-content;
  width: 30px;
  transform: translateY(20px);
  opacity: 0;
  visibility: hidden;
  transition: 0.25s var(--cubic-out);
  z-index: 2;
}

.navbar.active {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
  transition-duration: 0.5s;
}

.navbar-link {
  font-family: var(--ff-chakra-petch);
  font-size: var(--fs-5);
  text-transform: uppercase;
  color: var(--white);
  padding: 10px 20px;
  transition: var(--transition);
}

.navbar-link:is(:hover, :focus-visible) {
  background-color: var(--white);
  color: var(--international-orange-engineering);
}



/* Hero */
.hero {
  position: relative;
  padding-block-start: calc(var(--section-padding) + 70px);
  text-align: center;
  z-index: 1;
  overflow: hidden;
}

.hero .container {
  display: grid;
  gap: 30px;
}

.hero .section-subtitle {
  text-transform: unset;
}

.hero .section-text {
  color: var(--white);
  margin-block: 14px 18px;
}

.hero .btn {
  margin-inline: auto;
}

.hero-banner {
  aspect-ratio: var(--width) / var(--height);
}

.hero-banner img {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 90%;
  z-index: -1;
}



/* Service */
.service-banner {
  display: none;
}

.service {
  text-align: center;
}

.service-list {
  gap: 0;
  margin-block-end: 40px;
}

.service-card .card-icon {
  max-width: max-content;
  margin-inline: auto;
  margin-block-end: 24px;
}

.service-card .card-text {
  line-height: 1.2;
  margin-block: 8px;
}

.service .btn {
  margin-inline: auto;
}



/* About */
.about {
  background-color: var(--space-cadet);
  color: var(--white);
  text-align: center;
}

.about .container {
  display: grid;
  gap: 50px;
}

.about .section-subtitle {
  color: var(--white);
}

.about .section-text:nth-child(3) {
  margin-block: 12px 8px;
}

.about-list {
  display: grid;
  gap: 25px;
  margin-block-start: 25px;
}

.about-item {
  background-color: var(--oxford-blue-2);
  padding: 40px 20px;
  transition: var(--transition);
}

.about-item:hover {
  background-color: var(--international-orange-engineering);
  transform: translateY(-8px);
}

.about-item .strong {
  display: block;
  line-height: 1.1;
}




/* Work */

.work .container {
  padding-inline: 0;
}

.work .section-subtitle {
  margin-block-end: 24px;
}

.work-card {
  position: relative;
}

.work-card .card-content {
  background-color: var(--white);
  max-width: 90%;
  padding: 30px 10px;
  margin-block-start: -60px;
  margin-inline: auto;
  position: relative;
  text-align: center;
  box-shadow: var(--shadow);
}

.work .card-subtitle {
  font-family: var(--ff-chakra-petch);
  text-transform: uppercase;
  color: var(--international-orange-engineering);
  font-weight: var(--fw-700);
  margin-block-end: 5px;
}

.work-card .card-title {
  margin-block-end: 10px;
}

.work-card .card-btn {
  background-color: var(--international-orange-engineering);
  color: var(--white);
  font-size: 2rem;
  margin-inline: auto;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-circle);
}



/* Footer */
.footer {
  color: var(--cadet-blue-creyola);
}

.footer .shape {
  display: none;
}

.footer-top {
  background-color: var(--space-cadet);
}

.footer-top .container {
  display: grid;
  gap: 40px;
}

.footer-text {
  margin-block: 18px 20px;
}

.social-list {
  display: flex;
  gap: 8px;
}

.social-link {
  background-color: var(--oxford-blue-3);
  padding: 14px;
  border-radius: var(--radius-circle);
  transition: var(--transition);
}

.social-link:is(:hover, :focus-visible) {
  background-color: var(--international-orange-engineering);
  transform: translateY(-5px);
}

.footer .h3 {
  color: var(--white);
  margin-block-end: 18px;
}

.footer-list .p {
  color: var(--white);
  font-weight: var(--fw-400);
  margin-block-end: 7px;
}

.footer-list li:not(:first-child) {
  margin-block-start: 16px;
}

.footer-link {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-link:is(:hover, :focus-visible) {
  color: var(--international-orange-engineering);
}

.footer-link .material-symbols-rounded {
  flex-shrink: 0;
  font-size: 1.8rem;
  color: var(--international-orange-engineering);
}

.footer-bottom {
  background-color: var(--oxford-blue-1);
  padding-block: 20px;
}

.copyright {
  text-align: center;
  font-size: var(--fs-6);
}



/* Media Queries */

/**
 * Responsive for large than 575px screen
 */

 @media (min-width: 575px) {

  /**
   * Custom Property
   */

   :root {

    /**
    * Typography
    */

    --fs-2: 4rem;
    --fs-3: 2.8rem;
    --fs-4: 2rem;

   }



   /**
    * Reused Style
    */

  .container {
    max-width: 540px;
    width: 100%;
    margin-inline: auto;
  }

  .section-subtitle {
    --fs-5: 1.6rem;
  }

  .h2 {
    font-weight: var(--fw-700);
  }



  /**
   * Hero
   */
  
   .hero .container {
    max-width: unset;
   }

   .hero-content {
    max-width: 520px;
    margin-inline: auto;
   }

   .hero .section-text {
    font-size: 1.8rem;
   }


   /**
   * Service
   */

   .service .section-title {
    margin-block-end: 30px;
   }

   .service-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-block-end: 40px;
   }


  
   /**
   * About
   */

   .about-list {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
   }

   .about-item {
    padding-block: 20px;
   }




  /**
   * Work
   */
   
   .scrollbar-item {
    min-width: calc(50% - 15%);
   }

  
   
  /**
   * Footer
   */
   
   .footer-top {
    position: relative;
    overflow: hidden;
   }

   .footer-top .container {
    grid-template-columns: 1fr 1fr;
   }

   .footer .shape-3 {
    display: block;
    position: absolute;
    bottom: -30px;
    right: 0;
   }

 }



 /**
  * Responsive for large than 768px screen
  */

@media (min-width: 768px) {

 /**
  * Custom Property
  */
  
  :root {
    
    /**
    * Typography
    */

    --fs-1: 4rem;
    --fs-2: 5rem;
    --fs-3: 3.4rem;

  }




  /**
  * Reused Style
  */

  .container,
  .hero-content {
    max-width: 720px;
  }

  .btn {
    padding: 16px 32px;
  }

  .section-subtitle {
    --fs-5: 1.8rem;
  }

  .section-title:not(.h1) {
    max-width: 500px;
    margin-inline: auto;
  }




  /**
  * Hero
  */

  .hero {
    --section-padding: 120px;
  }

  .hero .section-text {
    margin-block-end: 30px;
  }





  /**
  * Service
  */

  .service-banner {
    display: block;
    position: relative;
  }

  .service-list {
    grid-template-columns: repeat(3, 1fr);
  }

  .service-banner img {
    position: absolute;
    top: 0;
    left: -25%;
    margin-block-start: 15%;
    width: 150%;
    transform-origin: top;
  }




  /**
  * About
  */

  .about-banner {
    max-width: max-content;
  }

  .about-banner,
  .about .section-text {
    margin-inline: auto;
  }

  .about .section-text {
    max-width: 520px;
  }




  /**
  * Footer
  */

  .footer-top .container {
    grid-template-columns: 1fr 0.9fr 0.9fr;
  }

  .copyright {
    --fs-6: 1.4rem;
  }

}  




/**
* Responsive for large than 992px screen
*/

@media (min-width: 992px) {

  /**
  * Custom Property
  */

  :root {

    /**
    * Typography
    */

    --fs-2: 4.4rem;
    --fs-3: 3.8rem;
    --fs-4: 2.2rem;

    /**
    * Spacing
    */

    --section-padding: 100px;

  }



  /**
  * Reused Style
  */

  .container {
    max-width: 960px;
  }

  .section-text,
  .card-text {
    font-size: 1.8rem;
  }




  /**
  * Header
  */

  .nav-toggle-btn {
    display: none;
  }

  .header .container {
    gap: 30px;
  }

  .navbar,
  .navbar.active {
    all: unset;
    display: block;
    margin-inline-start: auto;
  }

  .navbar-list {
    display: flex;
  }

  .navbar-link {
    position: relative;
    font-size: unset;
  }

  .navbar-link:is(:hover, :focus-visible) {
    background: none;
    color: var(--white);
  }

  .navbar-link::after {
    content: url('../img/nav-before-img.png');
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
  }

  .navbar-link:is(:hover, :focus-visible)::after {
    opacity: 1;
  }

  .header .btn {
    display: flex;
    padding: 12px 24px;
    font-size: var(--fs-5);
  }



  /**
  * Hero
  */

  .hero {
    text-align: left;
    padding-block-end: 80px;
  }

  .hero .container {
    max-width: 960px;
    grid-template-columns: 1fr 1fr;
  }

  .hero :is(.section-subtitle, .btn) {
    margin-inline: 0;
  }

  .hero .section-title {
    text-align: left;
  }

  .hero-banner img {
    width: 55%;
  }




  /**
  * Service
  */

  .service-card .card-text {
    padding-inline: 25px;
    line-height: 1.45;
    margin-block-end: 15px;
  }

  .service-list li:nth-child(-2n+3) {
    margin-block-start: 90px;
  }

  .service-list li:nth-child(4) {
    margin-inline-end: 60px;
  }

  .service-list li:nth-child(6) {
    margin-inline-start: 60px;
  }

  .service-banner img {
    left: -55%;
    margin-block-start: -30%;
    width: 210%;
  }




  /**
  * About  
  */

  .about {
    position: relative;
    z-index: 1;
  }

  .about,
  .about .section-title {
    text-align: left;
  }

  .about .container {
    grid-template-columns: 1fr 0.75fr;
    gap: 30px;
  }

  .about .section-subtitle {
    margin-inline: 0;
  }

  .about-banner,
  .about-banner .w-100 {
    margin-inline: auto 0;
  }

  .about-banner .w-100 {
    width: 40%;
  }

  .about-item {
    text-align: center;
  }

  .about::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 50%;
    height: 100%;
    background-image: url('../img/about-abs-banner.png');
    background-repeat: no-repeat;
    background-size: cover;
    background-position: right;
    z-index: -1;
  }




  /**
  * Work
  */

  .has-scrollbar {
    overflow-x: visible;
  }

  .scrollbar-item {
    min-width: calc(33.33% - 20px);
  }

}



/**
* Responsive for large than 1200px screen
*/

@media (min-width: 1200px) {

  /**
  * Custom Property
  */

  :root {

    /**
    * Typography
    */

    --fs-2: 5rem;
    --fs-3: 4.6rem;
  }



  /**
  * Reused Style
  */

  .container,
  .hero .container {
    max-width: 1140px;
  }

  .btn {
    padding: 18px 36px;
  }

  .btn .material-symbols-rounded {
    --fs: 1.3em;
  }




  /** 
  * Header
  */

  .header {
    padding-block: 25px;
  }

  .logo img {
    width: 128px;
  }

  .header .btn {
    font-size: unset;
    padding-block: 15px;
  }




  /**
  * Hero
  */

  .hero {
    padding-block: 250px 180px;
  }

  .hero .container {
    grid-template-columns: 1fr 0.9fr;
  }

  .hero .section-text {
    font-size: 2rem;
    padding-inline-end: 120px;
  }

  .hero-banner img {
    width: 70%;
  }




  /**
  * Service
  */

  .service .section-title {
    max-width: 700px;
  }

  .service-list {
    margin-block-end: 70px;
  }

  .service-list li:nth-child(2) .card-text {
    padding-inline: 50px;
  }

  .service-list li:nt-child(-2n+3) {
    margin-block-start: 110px;
  }

  .service-list li:is(:nth-child(1), :nth-child(6)) {
    margin-inline-start: 75px;
  }

  .service-list li:is(:nth-child(3), :nth-child(4)) {
    margin-inline-end: 75px;
  }

  .service-banner img {
    width: max-content;
    left: -41%;
  }





  /**
  * Work
  */

  .work-card .card-btn {
    font-size: 2.4rem;
    width: 55px;
    height: 55px;
  }




  /**
  * Footer
  */

  .footer-top {
    padding-block: 150px;
  }

  .footer-top .container {
    padding-inline-start: 25%;
  }

  .footer-bottom {
    position: relative;
    padding-block: 30px;
    z-index: 1;
  }

  .footer :is(.shape-1, .shape-2) {
    display: block;
    position: absolute;
    bottom: 0;
    width: 50%;
    pointer-events: none;
    z-index: -1;
  }

  .footer .shape-1 {
    left: -100px;
  }

  .footer .shape-2 {
    left: -50px;
  }

}



/**
* Responsive for large than 1400px screen
*/

@media (min-width: 1400px) {

  /**
  * Custom Property
  */

  :root  {

    /**
    * Typography
    */

    --fs-2: 6rem;

    /**
    * Spacing
    */

    --section-padding: 140px;

  }



  /**
  * Reused Style
  */

  :is(.header, .hero) .container {
    max-width: 1280px;
  }

  .section-subtitle::before {
    height: 20px;
    margin-inline-end: 5px;
  }





  /**
  * Header
  */

  .header .btn {
    padding: 18px 36px;
  }





  /**
  * Hero 
  */

  .hero {
    padding-block: 280px;
  }

  .hero .section-text {
    padding-inline-end: 90px;
  }

  .hero-banner img {
    width: 75%;
  }




  /**
  * About
  */

  .about::before {
    width: 55%;
  }

  .about-banner .w-100 {
    width: 50%;
  }





  /**
  * Footer
  */

  .footer-top .container {
    padding-inline-start: 20%;
  }
}