/*-----------------------------------*\
 * #style.css
\*-----------------------------------*/


/**
 * copyright 2022 @codewithsadee
 */





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

:root {

  /**
   * colors
   */

  --white: hsl(0, 0%, 100%);
  --black: hsl(0, 0%, 0%);
  --amaranth: hsl(349, 69%, 53%);
  --xiketic-1: hsl(272, 55%, 6%);
  --xiketic-2: hsl(256, 100%, 3%);
  --nsu-purple: hsl(270, 55%, 31%);
  --silver-sand: hsl(220, 10%, 76%);
  --purple-violet: hsl(266, 55%, 15%);
  --battleship-gray: hsl(0, 0%, 70%);
  --light-periwinkle: hsl(240, 30%, 83%);
  --maximum-blue-perple: hsl(231, 50%, 77%);

  /**
   * typography
   */

  --ff-poppins: "Poppins", sans-serif;

  --fs-1: 36px;
	--fs-2: 30px;
	--fs-3: 22px;
	--fs-4: 18px;
	--fs-5: 16px;
	--fs-6: 14px;

  --fw-500: 500;
	--fw-600: 600;

  /**
   * transition
   */

  --transition: 0.15s ease-in-out;

}





/*-----------------------------------*\
 * #RESET
\*-----------------------------------*/

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

li { list-style: none; }

a { text-decoration: none; }

img, span, button, a, ion-icon { display: block; }

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

html {
  font-family: var(--ff-poppins);
  color: var(--white);
  scroll-behavior: smooth;
}

body { overflow-x: hidden; }

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

::-webkit-scrollbar-track { background: var(--xiketic-1); }

::-webkit-scrollbar-thumb {
  background: var(--nsu-purple);
  border-radius: 10px;
}

::-webkit-scrollbar-button {
  height: 10px;
  background: var(--xiketic-1);
}





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

.container {
  padding: 30px 15px;
  padding-right: 8px;
}

.btn-primary {
  background: var(--amaranth);
  color: var(--white);
  font-size: var(--fs-6);
  font-weight: var(--fw-500);
  text-transform: capitalize;
  padding: 12px 40px;
  border-radius: 25px;
}

.btn-primary:hover { --amaranth: hsl(349, 69%, 43%); }

.h1,
.h2,
.h3,
.h5 {
  font-weight: var(--fw-500);
  line-height: 1.3;
}

.h1 { font-size: var(--fs-1); }

.h2 { font-size: var(--fs-2); }

.h3 { font-size: var(--fs-3); }

.h5 {
  font-size: var(--fs-5);
  font-weight: var(--fw-600);
}





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

header {
  position: relative;
  background: var(--xiketic-1);
}

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

.navbar {
  background: var(--purple-violet);
  position: fixed;
  bottom: 100%;
  left: 0;
  width: 100%;
  padding: 20px 10px;
  box-shadow: 0 2px 5px hsla(0, 0%, 0%, 0.5);
  visibility: hidden;
  transition: var(--transition);
  z-index: 1;
}

.navbar.active {
  transform: translateY(100%);
  visibility: visible;
}

.navbar-link {
  width: max-content;
  color: var(--white);
  font-size: var(--fs-6);
  font-weight: var(--fw-500);
  padding: 10px 20px;
  border-radius: 8px;
}

.navbar-link:hover { background: var(--nsu-purple); }

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

.nav-open-btn,
.nav-close-btn {
  background: var(--white);
  color: var(--black);
  font-size: 30px;
  padding: 3px;
  border-radius: 8px;
}

.nav-close-btn {
  position: absolute;
  top: 20px;
  right: 15px;
}





/*-----------------------------------*\
 * #MAIN
\*-----------------------------------*/

main { background: var(--xiketic-1); }





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

.hero {
  min-height: 80vh;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  padding: 100px 0 130px;
}

.hero-title { margin-bottom: 50px; }





/*-----------------------------------*\
 * #DOWNLOAD
\*-----------------------------------*/

.download { padding: 80px 0; }

.download-list {
  display: grid;
  grid-template-columns: 1fr;
  place-items: center;
  gap: 40px;
}

.download-link {
  max-width: 150px;
  color: var(--white);
  font-size: var(--fs-4);
  text-align: center;
}

.download-link ion-icon {
  margin: auto;
  font-size: 65px;
  margin-bottom: 15px;
}





/*-----------------------------------*\
 * #FEATURES
\*-----------------------------------*/

.features {
  padding: 80px 0;
  display: grid;
  grid-template-columns: 1fr;
  place-items: center;
  gap: 60px;
}

.features-item:not(:last-child) { margin-bottom: 50px; }

.features-item-title { margin-bottom: 20px; }

.features-item-text { color: var(--light-periwinkle); }

.feature-banner { position: relative; }

.feature-banner-bg {
  position: absolute;
  top: 5%;
  left: 50%;
  transform: translateX(calc(-50% - 3px));
  width: 125%;
}

.banner-img {
  position: relative;
  left: 5px;
  width: 100%;
  margin: auto;
}





/*-----------------------------------*\
 * #OVERVIEW
\*-----------------------------------*/

.overview { padding: 80px 0; }

.overview-card {
  background: var(--xiketic-2);
  border-radius: 12px;
  box-shadow: 0 2px 4px hsla(0, 0%, 0%, 0.5);
}

.overview-banner { padding: 40px 0; }

.overview-banner img {
  width: 100%;
  max-width: 320px;
  margin: auto;
}

.overview-content { padding: 0 25px 40px; }

.overview-title { margin-bottom: 20px; }

.overview-text {
  margin-bottom: 40px;
  color: var(--light-periwinkle);
}

.overview-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.overview-item:not(:last-child) { margin-bottom: 20px; }

.overview-item ion-icon {
  color: var(--amaranth);
  font-size: 20px;
}

.overview-item span {
  font-size: var(--fs-6);
  width: calc(100% - 30px);
}





/*-----------------------------------*\
 * #BLOG
\*-----------------------------------*/

.blog { padding: 80px 0; }

.blog-title {
  text-align: center;
  margin-bottom: 60px;
}

.blog-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 60px;
}

.blog-banner {
  position: relative;
  height: 250px;
  margin-bottom: 40px;
}

.blog-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 10px;
}

.blog-banner time {
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--amaranth);
  color: var(--white);
  font-size: var(--fs-6);
  font-weight: var(--fw-600);
  text-align: center;
  min-width: 130px;
  padding: 8px 0;
  border-radius: 20px;
}

.blog-post-title {
  color: var(--white);
  margin-bottom: 10px;
}

.blog-post:hover .blog-post-title { text-decoration: underline; }

.blog-post-text {
  color: var(--silver-sand);
  font-size: var(--fs-6);
  padding-right: 50px;
}





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

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

footer .container { padding: 80px 15px; }

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

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

.footer-brand p {
  font-size: var(--fs-6);
  font-weight: 400;
  margin-bottom: 20px;
}

.social-list {
  display: flex;
  align-items: center;
  gap: 10px;
}

.social-link {
  color: var(--maximum-blue-perple);
  font-size: 20px;
}

.social-link:hover { color: var(--white); }

.footer-link-box {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.footer-item-title { margin-bottom: 20px; }

.footer-link {
  width: max-content;
  color: var(--maximum-blue-perple);
  font-size: var(--fs-6);
  margin-bottom: 8px;
}

.footer-link:hover { text-decoration: underline; }

.footer-btn-group > a { width: max-content; }

.footer-btn-group img:first-of-type { margin-bottom: 20px; }

.copyright {
  color: var(--maximum-blue-perple);
  padding: 20px 15px;
  text-align: center;
  font-size: var(--fs-6);
  border-top: 1px solid hsla(240, 30%, 83%, 0.1);
}





/*-----------------------------------*\
 * #GO TO TOP
\*-----------------------------------*/

.go-top {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--amaranth);
  color: var(--white);
  font-size: 20px;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  box-shadow: 0 1px 3px hsla(0, 0%, 0%, 0.5);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s ease-in;
}

.go-top:hover { --amaranth: hsl(349, 69%, 43%); }

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





/*-----------------------------------*\
 * #RESPONSIVE 
\*-----------------------------------*/

/**
 * responsive larger than 360px screen
 */

@media (min-width: 360px) {

  /**
   * CUSTOM PROPERTY
   */

  :root {

    /**
     * typography
     */

    --fs-1: 42px;
    --fs-2: 32px;

  }

}





/**
 * responsive larger than 450px screen
 */

@media (min-width: 450px) {

  /**
   * CUSTOM PROPERTY
   */

  :root {

    /**
     * typography
     */

    --fs-1: 48px;
    --fs-2: 36px;
    --fs-3: 24px;

  }



  /**
   * FEATURES
   */

  .feature-banner-bg { width: 150%; }



  /**
   * OVERVIEW
   */

  .overview-content { padding: 0 40px 50px; }



  /**
   * BLOG
   */

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

  .blog-post-title { --fs-3: 22px; }

}





/**
 * responsive larger than 600px screen
 */

@media (min-width: 600px) {

  /**
   * CUSTOM PROPERTY
   */

  :root {

    /**
     * typography
     */

    --fs-1: 52px;

  }



  /**
   * REUSED STYLE
   */

  .container {
    max-width: 520px;
    margin: auto;
  }



  /**
   * BLOG
   */

  .blog-banner { height: 300px; }

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



  /**
   * FOOTER
   */

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

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

}





/**
 * responsive larger than 768px screen
 */

@media (min-width: 768px) {

  /**
   * REUSED STYLE
   */

  .container { max-width: 700px; }



  /**
   * DOWNLOAD
   */

  .download-list {
    grid-template-columns: repeat(3, 1fr);
    max-width: fit-content;
    margin: auto;
    gap: 80px;
  }



  /**
   * FEATURES
   */

  .features-item {
    max-width: 450px;
    margin-inline: auto;
    text-align: center;
  }

  .feature-banner-bg { width: 170%; }



  /**
   * BLOG
   */

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

}





/**
 * responsive larger than 1024px screen
 */

@media (min-width: 1024px) {

  /**
   * REUSED STYLE
   */

  .container { max-width: 970px; }



  /**
   * HEADER
   */

  .navbar {
    position: static;
    visibility: visible;
    background: none;
    padding: 0;
    box-shadow: none;
  }

  .nav-open-btn,
  .nav-close-btn { display: none; }

  .navbar-list {
    display: flex;
    justify-content: flex-end;
    align-items: center;
  }

  .navbar-link { position: relative; }

  .navbar-link:hover { background: none; }

  .navbar-link::before {
    content: "";
    position: absolute;
    bottom: 0;
    left: 25%;
    background: transparent;
    width: 50%;
    height: 2px;
  }

  .navbar-link:hover::before { background: var(--white); }

  .navbar .btn-primary {
    display: block;
    margin-left: 15px;
  }



  /**
   * HERO
   */

  .hero { position: relative; }

  .hero-content { width: 50%; }

  .hero-banner {
    position: absolute;
    top: 50%;
    right: -100px;
    transform: translateY(-50%);
    background: url("../images/hero.png") no-repeat;
    background-size: contain;
    width: 70%;
    padding-bottom: 50%;
  }



  /**
   * FEATURES
   */

  .features {
    grid-template-columns: repeat(3, 1fr);
    gap: 100px;
  }

  .features-list:first-child li { text-align: right; }

  .features-list:last-child li { text-align: left; }



  /**
   * OVERVIEW
   */

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

  .overview-banner img { max-width: 380px; }

  .overview-content {
    width: 55%;
    padding: 40px;
  }



  /**
   * BLOG
   */

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

  .blog-banner { height: 200px; }



  /**
   * FOOTER
   */

  footer .container {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
  }

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

  .footer-btn-group { margin-left: 20px; }

}





/**
 * responsive larger than 1200px screen
 */

@media (min-width: 1200px) {

  /**
   * CUSTOM PROPERTY
   */

  :root {

    /**
     * typography
     */

    --fs-1: 60px;

  }



  /**
   * REUSED STYLE
   */

  .container { max-width: 1140px; }



  /**
   * HERO
   */

  .hero {
    padding-top: 120px;
    padding-bottom: 150px;
  }

  .hero-banner {
    top: 55%;
    right: -50px;
  }



  /**
   * BLOG
   */

  .blog { padding-bottom: 150px; }



  /**
   * FOOTER
   */

  footer .container { padding: 100px 15px; }

}