/*
=============== 
Variables
===============
*/

:root {
    /* dark shades of primary color*/
    --clr-primary-1: hsl(205, 86%, 17%);
    --clr-primary-2: hsl(205, 77%, 27%);
    --clr-primary-3: hsl(205, 72%, 37%);
    --clr-primary-4: hsl(205, 63%, 48%);
    /* primary/main color */
    --clr-primary-5: hsl(205, 78%, 60%);
    /* lighter shades of primary color */
    --clr-primary-6: hsl(205, 89%, 70%);
    --clr-primary-7: hsl(205, 90%, 76%);
    --clr-primary-8: hsl(205, 86%, 81%);
    --clr-primary-9: hsl(205, 90%, 88%);
    --clr-primary-10: hsl(205, 100%, 96%);
    /* darkest grey - used for headings */
    --clr-grey-1: hsl(209, 61%, 16%);
    --clr-grey-2: hsl(211, 39%, 23%);
    --clr-grey-3: hsl(209, 34%, 30%);
    --clr-grey-4: hsl(209, 28%, 39%);
    /* grey used for paragraphs */
    --clr-grey-5: hsl(210, 22%, 49%);
    --clr-grey-6: hsl(209, 23%, 60%);
    --clr-grey-7: hsl(211, 27%, 70%);
    --clr-grey-8: hsl(210, 31%, 80%);
    --clr-grey-9: hsl(212, 33%, 89%);
    --clr-grey-10: hsl(210, 36%, 96%);
    --clr-white: #fff;
    --clr-red-dark: hsl(360, 67%, 44%);
    --clr-red-light: hsl(360, 71%, 66%);
    --clr-green-dark: hsl(125, 67%, 44%);
    --clr-green-light: hsl(125, 71%, 66%);
    --clr-black: #222;
  
    --transition: all 0.3s linear;
    --spacing: 0.1rem;
    --radius: 0.75rem;
    --light-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --dark-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    --max-width: 1170px;
    --fixed-width: 620px;
  }
  /*
  =============== 
  Global Styles
  ===============
  */
  
  *,
  ::after,
  ::before {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen,
      Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background: var(--clr-white);
    color: var(--clr-grey-1);
    line-height: 1.5;
    font-size: 0.875rem;
  }
  ul {
    list-style-type: none;
  }
  a {
    text-decoration: none;
  }
  h1,
  h2,
  h3,
  h4 {
    letter-spacing: var(--spacing);
    text-transform: capitalize;
    line-height: 1.25;
    margin-bottom: 0.75rem;
  }
  h1 {
    font-size: 2.75rem;
  }
  h2 {
    font-size: 2rem;
  }
  h3 {
    font-size: 1.25rem;
  }
  h4 {
    font-size: 0.875rem;
  }
  p {
    margin-bottom: 1.25rem;
    color: var(--clr-grey-5);
  }
  @media screen and (min-width: 800px) {
    h1 {
      font-size: 4rem;
    }
    h2 {
      font-size: 2.5rem;
    }
    h3 {
      font-size: 1.75rem;
    }
    h4 {
      font-size: 1rem;
    }
    body {
      font-size: 1rem;
    }
    h1,
    h2,
    h3,
    h4 {
      line-height: 1;
    }
  }
  
  /*
  =============== 
  Stripe Styles
  ===============
  */
  .nav {
    height: 5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    position: relative;
    z-index: 1;
  }
  .nav-center {
    width: 90vw;
    max-width: var(--max-width);
  }
  .nav-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .btn {
    font-size: 1rem;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius);
    border-color: transparent;
    color: white;
    background: var(--clr-black);
    cursor: pointer;
    transition: var(--transition);
  }
  .btn:hover {
    background: var(--clr-grey-5);
  }
  .nav-links {
    display: none;
  }
  .signin-btn {
    display: none;
  }
  .hero::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 65%;
    top: 0;
    left: 0;
    background: url(./images/hero.svg);
    background-size: cover;
    background-repeat: no-repeat;
    z-index: -1;
  }
  .hero {
    position: relative;
    min-height: 100vh;
    margin-top: -5rem;
    display: grid;
    grid-template-columns: 1fr;
    justify-items: center;
  }
  .hero-center {
    width: 90vw;
    max-width: var(--max-width);
    display: grid;
    align-items: center;
  }
  
  .hero-info h1 {
    text-transform: none;
    max-width: 500px;
    margin-bottom: 2rem;
  }
  .hero-info p {
    max-width: 35em;
    line-height: 1.8;
  }
  .hero-images {
    display: none;
  }
  
  /* nav media query */
  @media screen and (min-width: 800px) {
    .nav-center {
      display: grid;
      grid-template-columns: auto 1fr auto;
      align-items: center;
    }
    .toggle-btn {
      display: none;
    }
    .signin-btn {
      display: inline-block;
    }
    .nav-links {
      display: block;
      justify-self: center;
      display: grid;
      grid-template-columns: 1fr 1fr 1fr;
      text-align: center;
      height: 100%;
      display: grid;
      align-items: center;
    }
    .nav-links li {
      height: 100%;
    }
    .link-btn {
      height: 100%;
      background: transparent;
      border-color: transparent;
      font-size: 1.1rem;
      color: white;
      text-transform: capitalize;
      letter-spacing: 1px;
      width: 10rem;
    }
  }
  
  /* hero media query */
  @media screen and (min-width: 800px) {
    .hero::before {
      background-size: contain;
      height: 100%;
    }
    .hero-center {
      grid-template-columns: 2fr 1fr;
    }
  
    .hero-info h1 {
      font-size: 3rem;
    }
    .hero-info p {
      font-size: 1.25rem;
    }
    .hero-images {
      display: block;
      justify-self: center;
    }
    .phone-img {
      width: 12rem;
    }
  }
  
  @media screen and (min-width: 1200px) {
    .hero-center {
      grid-template-columns: 2fr 1fr;
      align-items: end;
      padding-bottom: 12vh;
    }
    .hero-info h1 {
      max-width: 100%;
      font-size: 5.5rem;
    }
    .hero-images {
      align-self: end;
    }
    .phone-img {
      width: 15rem;
    }
  }
  @media screen and (min-width: 1400px) {
    .hero-center {
      padding-bottom: 20vh;
    }
    .phone-img {
      width: 17rem;
    }
  }
  
  /* sidebar */
  .sidebar-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: grid;
    place-items: center;
    visibility: hidden;
    z-index: -999;
    transition: var(--transition);
    transform: scale(0);
    background: rgba(0, 0, 0, 0.5);
  }
  .sidebar-wrapper.show {
    visibility: visible;
    z-index: 2;
    transform: scale(1);
  }
  .sidebar {
    width: 90vw;
    height: 95vh;
    max-width: var(--fixed-width);
    background: var(--clr-white);
    border-radius: var(--radius);
    box-shadow: var(--dark-shadow);
    position: relative;
    padding: 4rem 2rem;
  }
  .close-btn {
    font-size: 2rem;
    background: transparent;
    border-color: transparent;
    color: var(--clr-grey-5);
    position: absolute;
    top: 1rem;
    right: 1rem;
    cursor: pointer;
  }
  .sidebar article {
    margin-bottom: 2rem;
  }
  .sidebar-sublinks {
    display: grid;
    grid-template-columns: 1fr 1fr;
    row-gap: 0.25rem;
  }
  .sidebar-sublinks a {
    display: block;
    color: var(--clr-grey-1);
    text-transform: capitalize;
  }
  .sidebar-sublinks i {
    color: var(--clr-grey-5);
    margin-right: 1rem;
  }
  
  @media screen and (min-width: 800px) {
    .sidebar-wrapper {
      display: none;
    }
  }
  
  /* links */
  .submenu {
    background: var(--clr-white);
    box-shadow: var(--dark-shadow);
    position: absolute;
    top: 4rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: none;
    padding: 2rem;
    border-radius: var(--radius);
  }
  .submenu::before {
    content: '';
    display: block;
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-bottom: 5px solid var(--clr-white);
    position: absolute;
    top: -5px;
    left: 50%;
    transform: translateX(-50%);
  }
  
  .submenu.show {
    display: block;
  }
  
  .submenu-center {
    display: grid;
    gap: 0.25rem 2rem;
  }
  .col-2 {
    grid-template-columns: repeat(2, 1fr);
  }
  .col-3 {
    grid-template-columns: repeat(3, 1fr);
  }
  .col-4 {
    grid-template-columns: repeat(4, 1fr);
  }
  .submenu h4 {
    margin-bottom: 1.5rem;
  }
  .submenu-center a {
    width: 10rem;
    display: block;
    color: var(--clr-grey-1);
    text-transform: capitalize;
  }
  .submenu-center i {
    color: var(--clr-grey-5);
    margin-right: 1rem;
  }