/*-----------------------------------*\
  #CUSTOM PROPERTY
\*-----------------------------------*/

:root {

  /**
   * COLORS
   */

  /** Background colors */
  --bg-wild-blue-yonder: hsla(216, 33%, 68%, 1);
  --bg-carolina-blue: hsla(199, 89%, 49%, 1);
  --bg-prussian-blue: hsla(216, 33%, 20%, 1);
  --bg-oxford-blue: hsla(222, 44%, 13%, 1);
  --bg-oxford-blue-2: hsla(222, 47%, 11%, 1);

  /** Text colors */
  --text-white: hsla(0, 0%, 100%, 1);
  --text-alice-blue: hsla(216, 100%, 95%, 1);
  --text-columbia-blue: hsla(199, 69%, 84%, 1);
  --text-wild-blue-yonder: hsla(216, 33%, 68%, 1);
  --text-carolina-blue: hsla(199, 89%, 49%, 1);
  --text-shadow-blue: hsla(217, 24%, 59%, 1);
  --text-slate-gray: hsla(217, 17%, 48%, 1);

  /** Gradient colors */
  --gradient-1: linear-gradient(90deg, #0ea5ea, #0bd1d1 51%);
  --gradient-2: linear-gradient(90deg, #0ea5ea, #0bd1d1 51%, #0ea5ea);
  --gradient-3: linear-gradient(0deg, #000d1a, transparent);

  /** Border colors */
  --border-wild-blue-yonder: hsla(216, 33%, 68%, 1);
  --border-prussian-blue: hsla(216, 33%, 20%, 1);
  --border-white: hsl(0, 0%, 100%);
  --border-white-alpha-15: hsla(0, 0%, 100%, 0.15);

  /** Default colors */
  --white: hsl(0, 0%, 100%, 1);
  --black: hsl(0, 0%, 0%, 1);

  /**
   * TYPOGRAPHY
   */

  /** Font family */
  --fontFamily-noto_sans: 'Noto Sans', sans-serif;

  /** Font size */
  --fontSize-1: 4.7rem;
  --fontSize-2: 3.5rem;
  --fontSize-3: 2.5rem;
  --fontSize-4: 1.6rem;
  --fontSize-5: 1.4rem;


  /** Font weight */
  --weight-medium: 500;
  --weight-semiBold: 600;
  --weight-bold: 700;
  --weight-extraBold: 800;

  /** Line height */
  --lineHeight-1: 1.3;
  --lineHeight-2: 1.5;
  --lineHeight-4: 1.5;

  /**
   * BOX SHADOW
   */

  --shadow-1: 0 8px 20px 0 hsla(0, 0%, 0%, 0.05);
  --shadow-2: 0px 3px 20px hsla(180, 90%, 43%, 0.2);

  /**
   * BORDER RADIUS
   */

  --radius-6: 6px;
  --radius-8: 8px;
  --radius-16: 16px;
  --radius-48: 48px;
  --radius-circle: 50%;
  --radius-pill: 200px;

  /**
   * SPACING
   */

  --section-padding: 40px;

  /**
   * TRANSITION
   */

  --transition-1: 0.25s ease;
  --transition-2: 0.4s ease-out;
  --cubic-in: cubic-bezier(0.51, 0.03, 0.64, 0.28);
  --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,
input,
button,
ion-icon { display: block; }

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

img { height: auto; }

input,
button {
  background: none;
  border: none;
  font: inherit;
  color: inherit;
}

input {
  width: 100%;
  outline: none;
}

button { cursor: pointer; }

ion-icon { pointer-events: none; }

address { font-style: normal; }

html {
  font-size: 10px;
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-oxford-blue-2);
  color: var(--text-shadow-blue);
  font-family: var(--fontFamily-noto_sans);
  font-size: 1.6rem;
  line-height: var(--lineHeight-4);
  overflow-y: overlay;
}

body.nav-active { overflow: hidden; }

::-webkit-scrollbar { width: 5px; }

::-webkit-scrollbar-track { background-color: transparent; }

::-webkit-scrollbar-thumb {
  background-color: var(--bg-carolina-blue);
  border-radius: var(--radius-pill);
}



/*-----------------------------------*\
  #REUSED STYLE
\*-----------------------------------*/

.container { padding-inline: 16px; }

input::placeholder,
textarea::placeholder { color: var(--text-shadow-blue); }

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

.subheading { font-size: var(--fontSize-3); }

.main-heading {
    color: var(--text-alice-blue);
    font-size: var(--fontSize-1);
    margin-block: 10px;
    font-weight: var(--weight-extraBold);
    line-height: var(--lineHeight-1);
}

.section-title { 
  font-size: var(--fontSize-2);
  line-height: var(--lineHeight-1);
}

.section-subtitle {
    font-size: var(--fontSize-3);
    color: var(--text-white);
}

.section-text { font-size: var(--fontSize-4); }

.hover-1:hover { color: var(--text-carolina-blue); }

.span,
.section-title {
    background-image: var(--gradient-1);
    display: inline-block;
    -webkit-text-fill-color: transparent;
    -webkit-background-clip: text;
}

.btn {
  background-image: var(--gradient-2);
  background-size: 200%;
  background-position: left;
  color: var(--white);
  font-size: var(--fontSize-6);
  font-weight: var(--weight-bold);
  max-width: max-content;
  display: flex;
  align-items: center;
  gap: 3px;
  transition: var(--transition-1);
}

.btn:is(:hover, :focus-visible) { background-position: right; }

.btn-primary {
  padding: 8px 16px;
  border-radius: var(--radius-6);
}

.btn-secondary {
  padding: 18px 30px;
  border-radius: var(--radius-pill);
}

.card {
  border-radius: var(--radius-8);
  background-color: var(--bg-oxford-blue);
  border: 1px solid var(--border-prussian-blue);
}

.w-100 { width: 100%; }

/*-----------------------------------*\
  #HEADER
\*-----------------------------------*/

.header .main-btn { display: none; }

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding-block: 24px;
  background-color: var(--bg-oxford-blue-2);
  z-index: 4;
}

.header.active {
  padding-block: 8px;
  box-shadow: var(--shadow-1);
  border-block-end: 1px solid var(--bg-prussian-blue);
  animation: slideIn 0.5s ease forwards;
}

@keyframes slideIn {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(0); }
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.nav-open-btn,
.nav-close-btn {
  color: var(--text-wild-blue-yonder);
  font-size: 3.5rem;
}

.navbar {
  position: absolute;
  top: 0;
  right: -340px;
  width: 100%;
  height: 100vh;
  background-color: var(--bg-oxford-blue-2);
  padding: 30px;
  z-index: 2;
  overflow-y: auto;
  visibility: hidden;
  transition: 0.25s var(--cubic-in);
}

.navbar.active {
  transform: translateX(-340px);
  visibility: visible;
  transition: 0.5s var(--cubic-out);
}

.navbar-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-block-end: 15px;
  margin-block-end: 15px;
  border-block-end: 1px solid var(--border-prussian-blue);
}

.navbar-list { border-block-end: 1px solid var(--border-white-alpha-15); }

.navbar-link {
  color: var(--text-alice-blue);
  font-weight: var(--weight-medium);
  padding-block: 10px;
}

.logo-wrapper {
  display: flex;
  align-items: center;
  gap: 5px;
}

.contact-btn { 
  margin-top: 20px;
  float: left;
  transition: none;
  display: block;
}

.social-links {
  display: flex;
  gap: 16px;
  font-size: 2.2rem;
  margin-top: 15px;
}



 /*-----------------------------------*\
  #HERO
\*-----------------------------------*/

.hero-bg { display: none; }

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

.hero { padding-block-start: calc(var(--section-padding) + 120px); }

.hero .input-wrapper:hover { box-shadow: var(--shadow-2); }

.hero .input-wrapper {
  position: relative;
  padding: 10px;
  padding-inline-start: 20px;
  background-color: var(--bg-prussian-blue);
  border-radius: var(--radius-6);
  border: 1px solid var(--bg-carolina-blue);
  display: flex;
  justify-items: flex-end;
  transition: var(--transition-1);
  margin-top: 40px;
}

.hero .input-field { padding-inline-end: 5px; }

.hero-banner { position: relative; }

.hero-banner .w-100 {
  max-width: max-content;
  margin-inline: auto;
}

.hero .shape {
  position: absolute;
  z-index: -1;
  animation: heroDecoAnim 3s linear infinite alternate;
}

@keyframes heroDecoAnim {
  0% { transform: translateY(40px) rotate(0); }
  100% { transform: translateY(0) rotate(0.4turn); }
}

.hero .shape-1 {
  top: 20px;
  right: 40px;
}

.hero .shape-2 {
  bottom: 100px;
  left: 24px;
}

.hero-btn {
  font-size: var(--fontSize-5) ;
}


/*-----------------------------------*\
  #PARTNERS
\*-----------------------------------*/


.partners .container .partners-items {
  gap: 20px;
  align-items: center;
  padding: 20px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.partners .container .partners-items .partners-item {
  max-width: 100%;
  height: auto;
  max-height: 100px;
  cursor: pointer;
  filter: sepia(100%) hue-rotate(175deg) saturate(500%);
}


/*-----------------------------------*\
  #ABOUT
\*-----------------------------------*/

.about .container .about-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-direction: column;
}

.about .container .about-wrapper .about-content .section-text { margin-block: 10px; }


/*-----------------------------------*\
  #PROJECTS
\*-----------------------------------*/

.project-item .section-subtitle { padding-block: 10px; }

.project-items {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 30px;
  flex-direction: column;
}

.project-item {
  padding: 24px;
  cursor: pointer;
  transition: var(--transition-1);
  position: relative;
  width: 100%;
}

.project-item:hover {
  outline: none;
  border-color: var(--bg-carolina-blue);
  box-shadow: 0 0 5px #719ECE;
  margin-top: -20px;
}

.project-img {
  object-fit: cover;
  width: 100%;
  height: 250px;
  border-radius: var(--radius-8);
}

.project-info { text-align: center; }


/*-----------------------------------*\
  #PROCESS
\*-----------------------------------*/

.process { text-align: center; }

.process-content { margin-top: 40px;} 
.process-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.process-icon {
  width: 60px;
}

.arrow-down {
  width: 25px;
  margin: auto;
  padding-block: 40px;
}

.process-content .btn {
  margin: auto;
  margin-top: 40px;
  font-size: var(--fontSize-4);
}





/*-----------------------------------*\
  #CONTACT
\*-----------------------------------*/

.contact-subtitle{ 
  color: var(--text-shadow-blue);
  font-size: var(--fontSize-4);
}

.contact-content .section-subtitle {
  font-weight: normal;
}
.contact-content {
  display: flex;
  justify-content: space-between;
  flex-direction: column;
  font-size: var(--fontSize-4);
}

.contact-content .contact-details { margin-top: 35px; }

.contact-content .contact-details .contact-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  margin-bottom: 25px;
  padding: 16px;
  width: 100%;
  gap: 12px;
}

.contact-card p { 
  color: var(--text-wild-blue-yonder);
  letter-spacing: 1px;
 }

.contact-content .contact-details .contact-card:hover {
  outline: none;
  border-color: var(--bg-carolina-blue);
  box-shadow: 0 0 5px #719ECE;
}

.contact-content .contact-details .contact-card:hover .contact-icon {
  filter: sepia(100%) hue-rotate(190deg) saturate(500%);
}

.contact-content .contact-details .contact-card .contact-icon { width: 50px; }

.contact-content .contact-form,
.contact-content .contact-details { width: 100%; }

.current-input {
  color: var(--text-shadow-blue);
  padding: 15px;
  width: 100%;
  color: var(--text-shadow-blue);
  font-family: var(--ff-syne);
}

.input-label {
  padding-left: 10px;
  padding-bottom: 5px;
  color: var(--text-wild-blue-yonder);
}

.form-input-wrapper { margin-top: 15px; }

.current-input { font-size: var(--fontSize-4); }

.form-input-wrapper textarea {
  height: 275px; 
  margin-bottom: 15px;
}

.current-input:focus {
  outline: none;
  border-color: var(--bg-carolina-blue);
  box-shadow: 0 0 5px #719ECE; 
}


/*-----------------------------------*\
  #FOOTER
\*-----------------------------------*/

.footer { 
  border-radius: var(--radius-48);
  padding-inline: 20px;
  color: var(--text-wild-blue-yonder);
  margin-block-end: 24px;
}

.footer-brand { 
  display: flex;
  justify-content: center;
  margin-block: 16px;
}

.footer-top { padding-top: 32px; }

.footer .section-subtitle { color: var(--text-wild-blue-yonder); }

.footer-item {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-block: 16px;
  align-items: center;
  text-align: center;
}

.social-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 15px;
}

.social-link {
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition-1);
  color: var(--text-wild-blue-yonder);
}

.social-link:is(:hover, :focus-visible) {
  color: var(--text-carolina-blue);
  transform: translateY(-2px);
}

.footer-bottom {
  border-block-start: 1px solid var(--border-prussian-blue);
  padding-block: 50px;
  display: flex;
  flex-direction: column-reverse;
  gap: 20px;
  align-items: center;
  margin-top: 12px;
}

.copyright { text-align: center; }


/*-----------------------------------*\
  #SPRODUCT
\*-----------------------------------*/

.sproduct { padding-top: 150px; }

.sproduct-wrapper {
  display: flex;
  gap: 32px;
  flex-direction: column;
}

.sproduct-wrapper .sproduct-banner,
.sproduct-wrapper .sproduct-info { width: 100%; }

.sproduct-banner img { cursor: pointer; }

.small-img-group {
  /* display: flex; */
  display: none;
  gap: 12px;
  margin-top: 24px;
}

.small-img-group .small-img-col { width: 33%; }

.sproduct-info-item { margin-block: 24px; }

.open-more-details {
  display: flex;
  gap: 8px;
  width: fit-content;
  cursor: pointer;
}

.more-details-caret-up.hidden,
.more-details-caret-down.hidden { display: none; }

.more-details-caret-up.show { display: inline-block; }

/* #SPECIFICATIONS */ 

.detailed-specifications { 
  display: none;
  padding-block: 20px; 
}
.detailed-specifications.active { display: block; }

.details-wrapper {
  display: flex;
  gap: 24px;
  flex-direction: column;
}

.table-wrapper,
.extra-functions { width: 100%; }

.spec-table { 
  border-collapse: collapse;
 }

.spec-table td {
  border: 1px solid var(--text-wild-blue-yonder);
  padding: 8px;
}

.extra-functions-wrapper,
.question {
  display: flex;
  gap: 8px;
  cursor: pointer;
}

.extra-functions-wrapper { width: fit-content; }

.extra-functions-item { 
  display: flex;
  gap: 8px;
  align-items: flex-start;
  margin-block: 12px;
}

.extra-functions-item img { margin-top: 5px; }

.extra-functions-list { display: block; }

.download {
  display: flex;
  gap: 8px;
  padding: 10px;
  border: 1px solid #0ea5ea;
  width: fit-content;
  border-radius: var(--radius-16);
  margin-top: 24px;
  transition: var(--transition-1);
}

.download:hover {
  color: var(--text-white);
}

/* #QA SECTION */

.qa-section .container .section-title { margin-bottom: 24px; }

.qa-item {
  border-block: 1px solid var(--text-shadow-blue);
  padding: 12px;
}

.question {
  justify-content: space-between;
}

.question .section-subtitle {
  color: var(--text-wild-blue-yonder);
  transition: var(--transition-1);
}

.question.active .section-subtitle {
  color: var(--text-white);
}

.question-number {
  display: inline-block;
  color: var(--text-white);
}

.question.open .question-caret-up {
  display: inline-block;
}

.question.open .question-caret-down {
  display: none;
}

.question-caret-up,
.question-caret-down { transition: var(--transition-2); }
.question-caret-up { display: none; }

.answer { 
  max-height: 0;
  overflow: hidden;
}

.answer.show { 
  max-height: 1000px;
  transition: var(--transition-2);
 }

/*-----------------------------------*\
  #PROBLEMS
\*-----------------------------------*/

.problems {
  display: flex;
  gap: 32px;
  padding-top: 24px;
  flex-direction: column;
}


.problems-item {
  width: 100%;
  text-align: center;
  padding: 16px 8px;
  cursor: default;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.problems-item .section-subtitle { margin-bottom: 32px; }

.problems-item img {
  max-height: 250px;
  object-fit: contain;
}

/*-----------------------------------*\
  #BACK TO TOP
\*-----------------------------------*/

.back-top-btn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 50px;
  height: 50px;
  background-color: var(--bg-prussian-blue);
  color: var(--white);
  display: grid;
  place-items: center;
  border-radius: var(--radius-circle);
  border: 3px solid var(--bg-carolina-blue);
  transition: var(--transition-1);
  visibility: hidden;
  opacity: 0;
  z-index: 4;
}

.back-top-btn:is(:hover, :focus-visible) { box-shadow: var(--shadow-2); }

.back-top-btn.active {
  visibility: visible;
  opacity: 1;
  transform: translateY(-10px);
}



 /*-----------------------------------*\
  #MEDIA QUERIES
\*-----------------------------------*/

@media (max-width: 480px) {

  /**
     * CUSTOM PROPERTY
     */
  :root {
    --fontSize-1: 3.8rem;
    --fontSize-2: 3rem;
    --fontSize-3: 2.2rem;
  }
}

/**
 * responsive for large than 375px screen
 */
@media (min-width: 375px) {
  .project-img { height: 350px; }
}


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

@media (min-width: 575px) {

    /**
     * CUSTOM PROPERTY
     */
  
    :root {
  
      /**
       * typography
       */
  
      /* font size */
      --fontSize-1: 4.4rem;
      --fontSize-2: 3.5rem;
  
      /**
       * spacing
       */
  
      --section-padding: 75px;
    }
  
  
  
    /**
     * REUSED STYLE
     */
  
    .container {
      max-width: 540px;
      width: 100%;
      margin-inline: auto;
    }
  
    .headline-3 { --fontSize-2: 2.4rem; }
  
  
  
    /**
     * HEADER
     */
  
    .header .btn {
      margin-inline-start: auto;
    }
  
    .header.active { padding-block: 20px; }

    .navbar {
      width: 340px;
    }
  
  
    /**
     * HERO
     */
  
    .hero { position: relative; }
  
    .hero .input-wrapper { max-width: 390px; }
  
    .hero-bg {
      display: block;
      position: absolute;
      pointer-events: none;
    }
  
    .hero-bg-1 {
      top: 80px;
      left: 0;
    }
  
    .hero-bg-2 {
      bottom: -200px;
      left: -20px;
    }
  
    .shape-2 { left: 60px; }

    /**
     * HERO
     */

    .contact-content .contact-details {
      display: flex;
      gap: 16px;
    }


    .problems-item img { max-height: 250px; }
  }
  
  
  
  
  
  /**
   * responsive for large than 768px screen
   */
  
  @media (min-width: 768px) {
    
    /**
     * REUSED STYLE
     */
  
    .container { max-width: 720px; }

    /**
     * PROJECTS
     */
     .project-item { 
      display: flex;
      gap: 20px;
    }

    .project-info,
    .project-item img { width: 49%; }

    .project-info { text-align: start; }
  }
  
  
  
  
  
  /**
   * responsive for large than 992px screen
   */
  
  @media (min-width: 992px) {

    /**
     * CUSTOM PROPERTY
     */

    :root {
      --section-padding: 75px;
    }

    /**
     * REUSED STYLE
     */
  
    .container { max-width: 930px; }
  
    /**
     * HERO
     */
  
    .hero { padding-block-start: calc(var(--section-padding) + 80px); }
  
    .hero .container {
      grid-template-columns: 1fr 1fr;
      align-items: center;
    }

    /**
     * PARTNERS
     */

    .partners .container .partners-items {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      }
  
    /**
     * ABOUT
     */
      .about .container .about-wrapper {
        flex-direction: row;
        gap: 40px;
      }

    /**
     * CONTACT
     */
      .contact-content { flex-direction: row; }

      .contact-content .contact-form { width: 65%; }

      .contact-content .contact-details { width: 30%; }

      .contact-content .contact-details { display: block; }
  
      .contact-content .contact-card { margin-bottom: 50px; }

    /**
     * FOOTER
     */
  
    .footer-top-content { 
      display: flex;
      justify-content: space-between;
      margin-block: 40px;
      gap: 12px;
    }
  
    .footer-bottom {
      display: flex;
      justify-content: space-between;
      flex-direction: row;
    }

    .footer-item {
      text-align: start;
      align-items: start;
    }

    .footer-brand { justify-content: start; }

    .sproduct-wrapper .sproduct-banner,
    .sproduct-wrapper .sproduct-info { width: 49%; }

    .sproduct { padding-top: 200px; }

    .sproduct-wrapper {
      display: flex;
      flex-direction: row;
    }
    
    /* SPECIFICATIONS */

    .details-wrapper {
      display: flex;
      flex-direction: row;
    }

    .table-wrapper,
    .extra-functions { width: 49%; }

    /* #QA SECTION */
    .answer { padding-left: 27px; }

    /* PROBLEMS */

    .problems {
      display: flex;
      flex-direction: row;
    }

  }


  
  
  
  
  
  /**
   * responsive for large than 1200px screen
   */
  
  @media (min-width: 1200px) {
   /**
     * CUSTOM PROPERTY
     */
    :root {
      --fontSize-1: 6.4rem;
      --fontSize-2: 4.5rem;
      --fontSize-3: 2.5rem;
      --fontSize-4: 1.8rem;
      --fontSize-5: 1.4rem;
    }

    /**
     * REUSED STYLE
     */
  
    .container { max-width: 1140px; }
  
    body.nav-active { overflow-y: overlay; }
  
  
  
    /**
     * HEADER
     */
  
    .nav-open-btn,
    .navbar-top,
    .navbar-bottom,
    .copyright-text { display: none; }
  
    .navbar,
    .navbar.active {
      all: unset;
      display: block;
    }
  
    .navbar-list {
      border-block-end: none;
      display: flex;
      gap: 40px;
      margin-inline: auto;
    }
  
    .header .btn { 
      margin-inline-start: 0;
      display: block;
     }
  
    .navbar-link {
      color: var(--text-wild-blue-yonder);
      font-weight: unset;
    }
  
    .navbar-link:is(:hover, :focus-visible) {
      color: var(--text-carolina-blue);
      transform: translateX(0);
    }
  
    .header .container .contact-btn { display: none; }
  
    .social-links { display: none; }
    /**
     * HERO
     */

    .container { max-width: 1280px; }

    /**
     * PROJECTS
     */
     .project-items { flex-direction: row; }

     .project-item { 
      display: block;
      width: 33%;
      height: 580px;
     }

     .project-info,
     .project-item img { width: 100%; }
  
    /**
     * FOOTER
     */
  
    .footer { padding-inline: 120px; }
  
  }

  @media (min-width: 1920px) {
    
  }