:root {

    /**
     * colors
     */
  
    --maximum-yellow-red: hsl(37, 100%, 68%);
    --royal-blue-dark: hsl(231, 61%, 22%);
    --silver-chalice: hsl(0, 0%, 70%);
    --oxford-blue: hsl(231, 100%, 8%);
    --bittersweet: hsl(2, 100%, 69%);
    --french-rose: hsl(342, 90%, 61%);
    --davys-gray: hsl(180, 3%, 28%);
    --cool-gray: hsl(240, 13%, 62%);
    --platinum: hsl(0, 0%, 92%);
    --white-2: hsl(0, 0%, 98%);
    --white: hsl(0, 0%, 100%);
    --black: hsl(0, 0%, 0%);
    --rythm: hsl(240, 9%, 53%);
  
    /**
     * typography
     */
  
    --ff-poppins: "Poppins", sans-sarif;
  
    --fs-1: 32px;
    --fs-2: 26px;
    --fs-3: 22px;
    --fs-4: 18px;
    --fs-5: 15px;
    --fs-6: 14px;
  
    --fw-700: 700;
    --fw-600: 600;
    --fw-500: 500;
  
    /**
     * transition
     */
  
    --transition: 0.25s ease-in-out;
  
  }
  
  
  
  
  
/* RESET */
  
  *, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  li { list-style: none; }
  
  a { text-decoration: none; }
  
  a,
  img,
  button,
  span,
  ion-icon,
  label,
  input,
  textarea { display: block; }
  
  button {
    font: inherit;
    background: none;
    border: none;
    cursor: pointer;
  }
  
  textarea,
  input {
    font: inherit;
    background: none;
    border: none;
    width: 100%;
  }
  
  :is(input, textarea):focus { outline: none; }
  
  :focus { outline-offset: 4px; }
  
  html {
    font-family: var(--ff-poppins);
    scroll-behavior: smooth;
  }
  
  body {
    background: var(--white);
    overflow-x: hidden;
  }
  
  ::-webkit-scrollbar { width: 10px; }
  
  ::-webkit-scrollbar-track { background: var(--white); }
  
  ::-webkit-scrollbar-thumb { background: hsl(0, 0%, 50%); }
  
  
  
  
  
/* REUSED STYLE */
  
  .container { padding: 0 15px; }
  
  .h1,
  .h2,
  .h3 {
    font-weight: var(--fw-600);
    line-height: 1.3;
    text-transform: capitalize;
  }
  
  .h1 {
    color: var(--oxford-blue);
    font-size: var(--fs-1);
  }
  
  .h2 { font-size: var(--fs-2); }
  
  .h3 {
    color: var(--oxford-blue);
    font-size: var(--fs-3);
  }
  
  .h4 {
    color: var(--royal-blue-dark);
    font-size: var(--fs-5);
    font-weight: var(--fw-600);
  }
  
  .btn {
    font-size: var(--fs-6);
    text-transform: uppercase;
    font-weight: var(--fw-600);
    padding: 10px 40px;
    border: 1px solid;
    border-radius: 6px;
  }
  
  .btn-primary {
    background: var(--bittersweet);
    border-color: var(--bittersweet);
    color: var(--white);
  }
  
  .btn-primary:is(:hover, :focus) { --bittersweet: hsl(2, 90%, 65%); }
  
  .btn-secondary:is(:hover, :focus) { background: hsla(0, 0%, 100%, 0.1); }
  
  
  
  
/* HEADER */
  
  header {
    position: relative;
    padding: 35px 0;
    z-index: 2;
  }
  
  header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .navbar-menu-btn {
    font-size: 30px;
    padding: 5px;
  }
  
  .navbar {
    position: absolute;
    top: calc(100% - 15px);
    left: 15px;
    right: 15px;
    background: var(--maximum-yellow-red);
    max-height: 0;
    visibility: hidden;
    pointer-events: none;
    transition: var(--transition);
    transform-origin: top;
    overflow: hidden;
  }
  
  .navbar.active {
    visibility: visible;
    pointer-events: all;
    max-height: 280px;
  }
  
  .navbar-list { padding: 10px; }
  
  .nav-item:not(:last-child) { border-bottom: 1px solid hsla(0, 0%, 100%, 0.2); }
  
  .nav-link {
    font-size: var(--fs-6);
    color: var(--royal-blue-dark);
    font-weight: var(--fw-600);
    padding: 15px 10px;
    opacity: 0;
    transition: opacity var(--transition);
  }
  
  .nav-link:is(:hover, :focus) { background: hsla(0, 0%, 100%, 0.2); }
  
  .navbar.active .nav-link {
    transition-delay: 0.2s;
    opacity: 1;
  }
  
  .navbar .btn-primary { display: none; }
  

  /* HERO */
  .hero {
    position: relative;
    padding: 130px 0 140px;
    z-index: 1;
  }
  
  .hero-content { text-align: center; }
  
  .hero-title,
  .hero-text { margin-bottom: 40px; }
  
  .hero-text {
    font-size: var(--fs-4);
    color: var(--oxford-blue);
  }
  
  .hero .btn-primary { margin-inline: auto; }
  
  .hero-banner { display: none; }
  
  .shape-content {
    position: absolute;
    width: 900px;
    top: -230px;
    right: -300px;
    z-index: -1;
  }

  /* About */
  .about {
    position: relative;
    z-index: 1;
    background: url("../images/about-bg.png") no-repeat;
    background-position: center;
    background-size: cover;
    padding: 120px 0;
    text-align: center;
  }
  
  .about-top { margin-bottom: 120px; }
  
  .about .h2 { color: var(--white); }
  
  .about-top .section-title { margin-bottom: 20px; }
  
  .about-top .section-text {
    color: var(--white);
    font-size: var(--fs-4);
    margin-bottom: 60px;
  }
  
  .about-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .about-card {
    background: var(--white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 2px 4px hsla(0, 0%, 0%, 0.1);
  }
  
  .card-icon {
    color: var(--bittersweet);
    font-size: 45px;
    width: max-content;
    margin-inline: auto;
    margin-bottom: 15px;
  }
  
  .about-card .card-title { margin-bottom: 15px; }
  
  .about-card .card-text { color: var(--davys-gray); }
  
  .about-bottom-banner { margin-bottom: 120px; }
  
  .about-bottom-banner img {
    width: 100%;
    height: 100%;
  }
  
  .about-bottom .section-title { margin-bottom: 20px; }
  
  .about-bottom .section-text {
    color: var(--white);
    font-size: var(--fs-4);
    margin-bottom: 40px;
  }
  
  .about-bottom .btn-secondary {
    color: var(--white);
    margin-inline: auto;
  }
  
  /* features */
  .features {
    padding: 120px 0;
    text-align: center;
  }
  
  .features .section-title {
    color: var(--royal-blue-dark);
    margin-bottom: 20px;
  }
  
  .features .section-text {
    color: var(--rythm);
    font-size: var(--fs-4);
    margin-bottom: 120px;
  }
  
  .features-item:first-child { margin-bottom: 100px; }
  
  .features-item-banner {
    max-width: 350px;
    margin-inline: auto;
    margin-bottom: 60px;
  }
  
  .features-item-banner img { width: 100%; }
  
  .features-item .item-title {
    color: var(--royal-blue-dark);
    margin-bottom: 20px;
  }
  
  .features-item .item-text {
    color: var(--rythm);
    font-size: var(--fs-4);
  }
  

  /* CTA */
  .cta { padding: 120px 0; }

.cta-card {
  background: linear-gradient(to top, var(--bittersweet) 0, var(--french-rose));
  padding: 80px 36px;
  border-radius: 20px;
  text-align: center;
}

.cta-title {
  color: var(--white);
  font-size: var(--fs-1);
  font-weight: var(--fw-600);
  line-height: 1.3;
  margin-bottom: 20px;
}

.cta-text {
  color: var(--white);
  font-size: var(--fs-6);
  margin-bottom: 50px;
}

.cta input {
  color: var(--white);
  padding: 10px 15px;
  border-bottom: 1px solid;
  margin-bottom: 30px;
}

.cta input::placeholder { color: inherit; }

.cta .btn-secondary {
  color: var(--white);
  margin-inline: auto;
}

/* contact */

.contact { margin-bottom: 120px; }

.contact-content { margin-bottom: 50px; }

.contact-title {
  color: var(--royal-blue-dark);
  margin-bottom: 60px;
  text-align: center;
  font-weight: var(--fw-500) !important;
}

.contact-banner img { width: 100%; }

.input-wrapper { margin-bottom: 30px; }

.input-label {
  color: var(--oxford-blue);
  font-size: var(--fs-6);
  font-weight: var(--fw-600);
  margin-bottom: 10px;
}

.input-field {
  border-bottom: 1px solid var(--platinum);
  padding: 7px 0;
  font-size: var(--fs-6);
}

.input-field::placeholder { color: var(--silver-chalice); }

textarea {
  max-height: 300px;
  min-height: 100px;
  height: 100px;
  resize: vertical;
}





/* FOOTER */

footer { background: var(--white-2); }

.footer-top { padding: 80px 0 50px; }

.footer-brand { margin-bottom: 20px; }

footer .logo { margin-bottom: 30px; }

.footer-text {
  color: var(--rythm);
  font-size: var(--fs-6);
  margin-bottom: 20px;
}

.social-list {
  display: flex;
  justify-content: flex-start;
  gap: 20px;
}

.social-link {
  color: var(--rythm);
  font-size: var(--fs-4);
  margin-bottom: 10px;
}

.social-link:is(:hover, :focus) { color: var(--french-rose); }

.footer-link-list:not(:last-child) { margin-bottom: 30px; }

.footer-link-list .link-title { margin-bottom: 15px; }

.footer-link {
  color: var(--cool-gray);
  font-size: var(--fs-6);
  margin-bottom: 10px;
  max-width: 150px;
}

.footer-link:is(:hover, :focus) { color: var(--french-rose); }

.footer-bottom {
  padding: 20px 15px;
  border-top: 1px solid hsla(0, 0%, 18%, 0.2);
}

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

.copyright a {
  display: inline-block;
  color: var(--cool-gray);
}

.copyright a:is(:hover, :focus) { color: var(--french-rose); }





/* SCROLL UP */

.go-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 5;
  width: 50px;
  height: 50px;
  background: linear-gradient(-45deg, var(--maximum-yellow-red), var(--french-rose));
  box-shadow: 0 2px 4px hsla(0, 0%, 0%, 0.25);
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--white);
  font-size: 22px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: var(--transition);
}

.go-top.active {
  opacity: 1;
  visibility: visible;
  pointer-events: all;
}

/* RESPONSIVE */

@media (min-width: 450px) {

  /**
   * CUSTOM PROPERTY 
   */

  :root {

    /**
     * typography
     */

    --fs-1: 60px;

  }



  /**
   * REUESED STYLE 
   */

  .h1,
  .h2 { font-weight: var(--fw-700); }

  .btn { padding-block: 15px; }



  /**
   * HEADER 
   */

  .navbar {
    left: auto;
    width: 300px;
  }



  /**
   * HERO 
   */

  .hero { padding: 140px 0 160px; }

  .shape-content {
    top: -70px;
    right: -260px;
  }



  /**
   * ABOUT 
   */

  .about-card .card-title { padding-inline: 40px; }

  .about-bottom-banner {
    max-width: 400px;
    margin-inline: auto;
    margin-bottom: 40px;
  }

  .about-bottom-content { padding-inline: 50px; }



  /**
   * FEATURES
   */

  .features .h2 { --fs-2: 32px; }



  /**
   * CTA
   */

  .cta-title { --fs-1: 42px; }

  .cta-form {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    gap: 30px;
  }

  .cta input { margin-bottom: 0; }

  .cta .btn-secondary { min-width: max-content; }



  /**
   * CONTACT
   */

  .contact-title { --fs-2: 32px; }

  .contact-banner {
    max-width: 300px;
    margin-inline: auto;
  }

}





/**
 * responsive for larger than 560px 
 */

@media (min-width: 560px) {

  /**
   * REUESED STYLE 
   */

  .container {
    max-width: 550px;
    margin-inline: auto;
  }



  /**
   * HEADER
   */

  .navbar-wrapper { position: relative; }

  .navbar {
    top: calc(100% + 15px);
    right: 0;
  }



  /**
   * HERO, ABOUT
   */

  .hero-content,
  .about-bottom-content { text-align: left; }

  .hero .btn-primary,
  .about-bottom .btn-secondary { margin-inline: 0; }

  .shape-content {
    top: -156px;
    right: -152px;
  }



  /**
   * FOOTER
   */

  .footer-brand { margin-bottom: 40px; }

  .footer-link-box {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

}





/**
 * responsive for larger than 768px 
 */

@media (min-width: 768px) {

  /**
   * CUSTOM PROPERTY 
   */

  :root {

    /**
     * typography
     */

    --fs-2: 35px;
    --fs-4: 20px;

  }



  /**
   * REUSED STYLE
   */

  .container { max-width: 740px; }



  /**
   * ABOUT
   */

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

  .about-card {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
  }

  .about-card .card-title { padding-inline: 0; }



  /**
   * CONTACT
   */

  .contact-title { --fs-2: 42px; }

}





/**
 * responsive for larger than 1024px 
 */

@media (min-width: 1024px) {

  /**
   * REUSED STYLE
   */

  .container { max-width: 950px; }



  /**
   * HEADER
   */

  .navbar-menu-btn { display: none; }

  .navbar {
    max-height: unset;
    visibility: visible;
    position: static;
    width: auto;
    background: none;
    pointer-events: all;
    overflow: visible;
    display: flex;
  }

  .navbar-list {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-right: 20px;
  }

  .nav-link {
    opacity: 1;
    padding: 0 15px;
  }

  .navbar .btn-primary { display: block; }



  /**
   * HERO
   */

  .hero-content { max-width: 550px; }

  .hero-banner {
    display: block;
    position: absolute;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    width: 500px;
    padding-top: 500px;
    background: url("../images/hero-banner.png") no-repeat;
    background-size: contain;
  }



  /**
   * ABOUT
   */

  .about-top .section-text {
    max-width: 650px;
    margin-inline: auto;
  }

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

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

  .about-bottom-banner {
    margin-bottom: 0;
    height: 330px;
  }

  .about-bottom-content {
    padding-inline: 0;
    width: 50%;
  }



  /**
   * FEATURES
   */

  .features :is(.section-title, .section-text) {
    max-width: 650px;
    margin-inline: auto;
  }

  .features-item {
    display: flex;
    align-items: center;
    gap: 50px;
  }

  .features-item-banner {
    margin-inline: 0;
    margin-bottom: 0;
  }

  .feature-item-content {
    width: 50%;
    text-align: left;
  }

  .features-item:last-child { flex-direction: row-reverse; }



  /**
   * CTA
   */

  .cta-card > * {
    max-width: 500px;
    margin-inline: auto;
  }



  /**
   * CONTACT
   */

  .contact .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 50px;
  }

  .contact-content { max-width: 400px; }

  .contact-title { text-align: left; }

  .contact-form { width: 50%; }



  /**
   * FOOTER
   */

  .footer-top .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 50px;
  }

  .footer-brand,
  .footer-link-list:not(:last-child) { margin-bottom: 0; }

  .footer-link-box {
    grid-template-columns: repeat(4, 1fr);
    gap: 50px;
  }

}





/**
 * responsive for larger than 1200px 
 */

@media (min-width: 1200px) {

  /**
   * CUSTOM PROPERTY 
   */

  :root {

    /**
     * typography
     */

    --fs-2: 42px;

  }



  /**
   * REUSED STYLE
   */

  .container { max-width: 1150px; }



  /**
   * HERO
   */

  .hero-banner { right: 100px; }



  /**
   * ABOUT
   */

  .about-bottom-banner { height: 400px; }



  /**
   * FEATURES
   */

  .features .h2 { --fs-2: 42px; }

  .features :is(.section-title, .section-text) { max-width: 850px; }

}