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



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

:root {

  /**
   * colors
   */

  --rich-black-fogra-39: hsl(252, 24%, 4%);
  --spanish-gray: hsl(0, 0%, 56%);
  --eerie-black-1: hsl(252, 11%, 9%);
  --eerie-black-2: hsl(0, 0%, 13%);
  --raisin-black: hsl(249, 9%, 15%);
  --han-purple: hsl(250, 72%, 51%);
  --gainsboro: hsl(0, 0%, 88%);
  --cultured: hsl(0, 0%, 98%);
  --white_20: hsla(217, 15%, 70%, 0.3);
  --xiketic: hsl(250, 15%, 8%);
  --indigo: hsl(277, 94%, 28%);
  --white: hsl(0, 0%, 100%);
  --black: hsl(0, 0%, 0%);

  --gradient-1: linear-gradient(150deg, var(--indigo) 0%, var(--han-purple) 78%);

  /**
   * typography
   */

  --ff-poppins: 'Poppins', sans-serif;
  --ff-jost: 'Jost', sans-serif;

  --fs-1: 4.8rem;
  --fs-2: 3.2rem;
  --fs-3: 2.4rem;
  --fs-4: 1.9rem;
  --fs-5: 1.4rem;

  --fw-500: 500;
  --fw-600: 600;
  --fw-700: 700;
  --fw-900: 900;

  /**
   * border radius
   */

  --radius-4: 4px;
  --radius-6: 6px;
  --radius-8: 8px;

  /**
   * spacing
   */

  --section-padding: 90px;

  /**
   * box shadow
   */

  --shadow-1: 0 2px 2px var(--black);
  --shadow-2: 0px 2px 4px var(--black);

  /**
   * transition
   */

  --transition-1: 0.05s ease;
  --transition-2: 0.25s ease;
  --cubic-in: cubic-bezier(0.51, 0.03, 0.64, 0.28);
  --cubic-out: cubic-bezier(0.33, 0.85, 0.56, 1.02);

}





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

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

li { list-style: none; }

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

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

img { height: auto; }

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

input { width: 100%; }

button { cursor: pointer; }

ion-icon {
  pointer-events: none;
  color: var(--white);
}

::selection { background-color: var(--white_20); }

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

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

body {
  background-color: var(--rich-black-fogra-39);
  color: var(--spanish-gray);
  font-size: 1.6rem;
}

::-webkit-scrollbar { width: 15px; }

::-webkit-scrollbar-track { background-color: hsl(0, 0%, 100%); }

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

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





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

.container { padding-inline: 25px; }

.btn {
  color: var(--white);
  font-weight: var(--fw-700);
  border: 2px solid var(--white);
  padding: var(--padding, 4px 10px);
  border-radius: 50px;
  display: flex;
  align-items: center;
  gap: 5px;
}

.btn ion-icon { font-size: 1.8rem; }

.btn:is(:hover, :focus) {
  background-image: var(--gradient-1);
  background-repeat: no-repeat;
  background-position: center;
  background-size: 120% 120%;
  border-color: transparent;
}

.section-subtitle {
  position: relative;
  background-image: var(--gradient-1);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-transform: uppercase;
  font-weight: var(--fw-600);
  margin-block-end: 15px;
  width: max-content;
}

.section-subtitle::after {
  content: "";
  position: absolute;
  top: 12px;
  right: -60px;
  width: 50px;
  height: 3px;
  background-image: var(--gradient-1);
}

.h1,
.h2,
.h3 {
  color: var(--white);
  font-family: var(--ff-jost);
}

.h2,
.h3 { font-weight: var(--fw-600); }

.h2 {
  font-size: var(--fs-2);
  line-height: 1.2;
}

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

.title-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-block-end: 50px;
}

.btn-link {
  display: flex;
  align-items: center;
  gap: 5px;
  color: var(--white);
  font-weight: var(--fw-500);
  transition: var(--transition-2);
}

.btn-link:is(:hover, :focus) { color: var(--han-purple); }

.btn-link ion-icon { color: inherit; }

.grid-list {
  display: grid;
  gap: 30px;
}

.card {
  background-color: var(--eerie-black-1);
  padding: 24px;
  border-radius: var(--radius-8);
  box-shadow: var(--shadow-1);
  transition: var(--transition-2);
}

.card-banner {
  overflow: hidden;
  border-radius: var(--radius-6);
  background-color: var(--raisin-black);
}

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

.card-title,
.card-title > a { transition: var(--transition-2); }





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

.header .btn > span { display: none; }

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--xiketic);
  padding-block: 20px;
  transition: var(--transition-1);
  z-index: 4;
}

.header.active { box-shadow: var(--shadow-2); }

.header .container {
  display: flex;
  align-items: center;
  gap: 30px;
}

.menu-open-btn {
  margin-inline-start: auto;
  font-size: 2.6rem;
}

.header ion-icon { color: var(--white); }

.navbar {
  position: fixed;
  top: 0;
  right: -500px;
  width: 100%;
  max-width: 500px;
  height: 100%;
  background-color: var(--rich-black-fogra-39);
  visibility: hidden;
  z-index: 2;
  transition: 0.15s var(--cubic-in);
}

.navbar.active {
  visibility: visible;
  transform: translateX(-500px);
  transition: 0.35s var(--cubic-out);
}

.navbar-top,
.navbar-list { padding: 30px; }

.navbar-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar-title { font-weight: var(--fw-600); }

.nav-close-btn ion-icon {
  color: var(--spanish-gray);
  font-size: 2.7rem;
  --ionicon-stroke-width: 40px;
}

.navbar-link {
  font-size: var(--fs-3);
  color: var(--white);
  padding-block: 10px;
  font-weight: var(--fw-600);
  transition: var(--transition-1);
}

.navbar-link:is(:hover, :focus) { color: var(--han-purple); }

.overlay {
  position: fixed;
  inset: 0;
  background-color: hsla(0, 0%, 0%, 0.7);
  transition: var(--transition-2);
  opacity: 0;
  pointer-events: none;
  z-index: 1;
}

.overlay.active {
  opacity: 1;
  pointer-events: all;
}





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

.hero {
  position: relative;
  background-color: var(--xiketic);
  padding-block-start: 120px;
  padding-block-end: var(--section-padding);
  z-index: 1;
}

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

.hero-title {
  font-size: var(--fs-1);
  font-weight: var(--fw-900);
  line-height: 1.2;
  word-wrap: break-word;
  margin-block-end: 25px;
}

.hero-text {
  font-size: var(--fs-4);
  margin-block-end: 25px;
}

.hero .btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
}

.hero .btn { --padding: 12px 30px; }

.hero-bg-bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: -1;
}





/*-----------------------------------*\
  #EXPLOER
\*-----------------------------------*/

.explore-card:hover { transform: translateY(-5px); }

.explore-card .card-banner {
  aspect-ratio: 1 / 1;
  margin-block-end: 35px;
}

.explore-card .card-title > a:is(:hover, :focus) { color: var(--han-purple); }

.explore-card .card-author {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-block: 10px;
}

.explore-card .author-link {
  color: var(--white);
  font-family: var(--ff-jost);
  font-weight: var(--fw-500);
  transition: var(--transition-2);
}

.explore-card .author-link:is(:hover, :focus) { color: var(--han-purple); }

.explore-card .wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-block-end: 15px;
}

.explore-card .wrapper-item { color: var(--white); }

.explore-card .btn {
  font-size: var(--fs-5);
  --padding: 8px 15px;
}





/*-----------------------------------*\
  #TOP SELLER
\*-----------------------------------*/

.top-seller .section-title { margin-block-end: 50px; }

.top-seller-card {
  display: flex;
  align-items: center;
  gap: 15px;
}

.top-seller-card .card-avatar {
  border-radius: 50%;
  overflow: hidden;
}

.top-seller-card .card-title {
  color: var(--cultured);
  font-size: 1.6rem;
  font-weight: var(--fw-600);
  margin-block-end: 5px;
}

.top-seller-card .card-title > a:is(:hover, :focus) { color: var(--han-purple); }





/*-----------------------------------*\
  #COLLECTION
\*-----------------------------------*/

.collection-card { text-align: center; }

.collection-card .card-banner { aspect-ratio: 1 / 0.75; }

.collection-card .card-avatar {
  position: relative;
  width: max-content;
  margin-inline: auto;
  margin-block: -40px 15px;
  border-radius: 50px;
  overflow: hidden;
  border: 3px solid var(--white_20);
  padding: 5px;
  transition: var(--transition-2);
}

.collection-card .card-avatar img { border-radius: inherit; }

.collection-card:is(:hover, :focus) .card-avatar { box-shadow: 0 5px 10px hsla(223, 82%, 30%, 0.5); }

.collection-card:is(:hover, :focus) .card-title { color: var(--han-purple); }





/*-----------------------------------*\
  #INSTRUCTION
\*-----------------------------------*/

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

.instruction .section-title { margin-block-end: 50px; }

.instruction-icon ion-icon {
  font-size: 5rem;
  color: var(--han-purple);
  --ionicon-stroke-width: 25px;
}

.instruction-title {
  color: var(--white);
  font-family: var(--ff-jost);
  font-size: var(--fs-3);
  font-weight: var(--fw-600);
  margin-block: 15px;
}





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

.footer { background-color: var(--xiketic); }

.footer-top {
  padding-block: var(--section-padding);
  border-block-end: 1px solid hsla(0, 0%, 100%, 0.2);
  display: grid;
  gap: 50px 40px;
}

.footer-text {
  color: var(--gainsboro);
  margin-block: 15px 24px;
}

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

.social-link {
  background-color: var(--eerie-black-2);
  color: var(--cultured);
  width: 42px;
  height: 42px;
  font-size: 1.8rem;
  border-radius: var(--radius-4);
  overflow: hidden;
}

.social-link ion-icon {
  padding: 12px;
  transition: var(--transition-2);
}

.social-link:is(:hover, :focus) ion-icon { transform: translateY(-42px); }

.footer-list-title {
  color: var(--cultured);
  font-family: var(--ff-jost);
  font-size: var(--fs-3);
  margin-block-end: 20px;
}

.footer-link {
  width: max-content;
  color: var(--gainsboro);
  margin-block: 12px;
  transition: var(--transition-1);
}

.footer-link:is(:hover, :focus) { 
  text-decoration: underline;
  background-color: hsla(0, 0%, 100%, 0.05);
}

.newsletter-form { position: relative; }

.newsletter-input {
  background-color: var(--eerie-black-2);
  color: var(--gainsboro);
  font-size: var(--fs-5);
  padding: 12px 20px;
  padding-inline-end: 80px;
  border-radius: var(--radius-4);
  outline: none;
  transition: var(--transition-1);
}

.newsletter-input:focus { box-shadow: 0 0 1px 4px hsl(0, 0%, 40%); }

.newsletter-btn {
  background-image: var(--gradient-1);
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  padding-inline: 25px;
  border-radius: 50px 4px 4px 50px;
}

.newsletter-btn ion-icon { --ionicon-stroke-width: 40px; }

.footer-bottom {
  color: var(--gainsboro);
  padding-block: 25px;
  text-align: center;
}

.copyright-link {
  text-decoration: underline;
  display: inline-block;
  transition: var(--transition-1);
}

.copyright-link:is(:hover, :focus) { background-color: hsla(0, 0%, 100%, 0.05); }





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

.back-to-top {
  position: fixed;
  bottom: 0;
  right: 15px;
  background-color: var(--xiketic);
  color: var(--cultured);
  font-size: 2rem;
  padding: 15px 12px;
  border-radius: var(--radius-6);
  box-shadow: var(--shadow-2);
  z-index: 2;
  visibility: hidden;
  opacity: 0;
  transition: var(--transition-1);
}

.back-to-top.active {
  visibility: visible;
  opacity: 1;
  transform: translateY(-15px);
}

.back-to-top:is(:hover, :focus) { background-color: var(--raisin-black); }





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

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

@media (min-width: 575px) {

  /**
   * REUSED STYLE, FOOTER
   */

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

}





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

@media (min-width: 768px) {

  /**
   * CUSTOM PROPERTY
   */

  :root {

    /**
     * typography
     */

    --fs-1: 6.4rem;

  }



  /**
   * HEADER
   */

  .header .btn > span { display: block; }

  .header .btn { --padding: 12px 30px; }



  /**
   * HERO
   */

  .hero {
    min-height: 700px;
    display: flex;
    justify-content: flex-start;
    align-items: center;
  }

  .hero-title { max-width: 650px; }

}





/**
 * responsive for larger than 992px screen
 */

@media (min-width: 992px) {

  /**
   * REUSED STYLE
   */

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



  /**
   * INSTRUCTION
   */

  .instruction .grid-list { grid-template-columns: repeat(4, 1fr); }



  /**
   * FOOTER
   */

  .footer-top { grid-template-columns: 1fr 0.6fr 0.6fr 1fr; }

  .footer-brand { padding-inline-end: 60px; }

}





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

@media (min-width: 1200px) {

  /**
   * REUSED STYLE
   */

  .container {
    max-width: 1180px;
    width: 100%;
    margin-inline: auto;
  }

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



  /**
   * HEADER
   */

  .overlay,
  .navbar-top,
  .menu-open-btn { display: none; }

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

  .navbar-list {
    padding: 0;
    display: flex;
    align-items: center;
    gap: 30px;
  }

  .navbar-link { --fs-3: 1.6rem; }



  /**
   * HERO
   */

  .hero { min-height: 770px; }



  /**
   * TOP SELLER
   */

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



  /**
   * INSTRUCTION
   */

  .instruction { padding-block-end: 120px; }

}