/* Base reset */
* {
  margin: 0;
  padding: 0;
}

/* box-sizing and font sizing */
*,
*::before,
*::after {
  box-sizing: inherit;
}
html {
  box-sizing: border-box;
  scroll-behavior: smooth;
}
body {
    background-color: #f1f1f1;
    font-family: Arial, sans-serif;
    text-align: center;
  height:100vh;
}
.game{
  margin:auto;
  padding-top:75px;
  padding-bottom:50px;
}
.container {
    margin: auto;
    width: 400px;

    padding:10px 20px;
}

.score-container {
    padding: 10px;
}

.game-container {
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    margin: auto;
    padding: 20px;
}

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

.cell {
    align-items: center;
    background-color: #fff;
    border: 2px solid #333;
    color: #333;
    display: flex;
    font-size: 72px;
    height: 120px;
    justify-content: center;
    margin: 0;
    padding: 0;
    text-align: center;
    width: 120px;
}

.cell:hover {
    background-color: #e5e5e5;
    cursor: pointer;
}

.result-container {
    font-size: 36px;
    margin-top: 20px;
    text-align: center;
}

#reset-btn {
    background-color: #007bff;
    border: none;
    border-radius: 5px;
    color: #fff;
    cursor: pointer;
    font-size: 24px;
    margin-top: 20px;
    padding: 10px 20px;
    text-align: center;
    transition: background-color 0.3s ease;
}

#reset-btn:hover {
    background-color: #0062cc;
}

#reset-score-btn {
    background-color: #007bff;
    border: none;
    border-radius: 5px;
    color: #fff;
    cursor: pointer;
    font-size: 24px;
    margin-top: 20px;
    padding: 10px 20px;
    text-align: center;
    transition: background-color 0.3s ease;
}

#reset-score-btn:hover {
    background-color: #0062cc;
}


/* Custom properties/variables  */
:root {
  --main-white: #f0f0f0;
  --main-red: #be3144;
  --main-blue: #45567d;
  --main-gray: #303841;
  --main-black: #000;
}

/* Base reset */
* {
  margin: 0;
  padding: 0;
}

/* box-sizing and font sizing */
*,
*::before,
*::after {
  box-sizing: inherit;
}

html {
  box-sizing: border-box;

  /* Set font size for easy rem calculations
   * default document font size = 16px, 1rem = 16px, 100% = 16px
   * (100% / 16px) * 10 = 62.5%, 1rem = 10px, 62.5% = 10px
  */
  font-size: 62.5%;
  scroll-behavior: smooth;
}

/* A few media query to set some font sizes at different screen sizes.
 * This helps automate a bit of responsiveness.
 * The trick is to use the rem unit for size values, margin and padding.
 * Because rem is relative to the document font size
 * when we scale up or down the font size on the document
 * it will affect all properties using rem units for the values.
*/

/* I am using the em unit for breakpoints
 * The calculation is the following
 * screen size divided by browser base font size
 * As an example: a breakpoint at 980px
 * 980px / 16px = 61.25em
*/

/* 1200px / 16px = 75em */
@media (max-width: 75em) {
  html {
    font-size: 60%;
  }
}

/* 980px / 16px = 61.25em */
@media (max-width: 61.25em) {
  html {
    font-size: 58%;
  }
}

/* 460px / 16px = 28.75em */
@media (max-width: 28.75em) {
  html {
    font-size: 55%;
  }
}

/* Base styles */

body {
  font-family: 'Poppins', sans-serif;
  font-size: 1.8rem; /* 18px */
  font-weight: 400;
  line-height: 1.4;
  color: var(--main-black);
}

h1,
h2 {
  font-family: 'Raleway', sans-serif;
  font-weight: 700;
  text-align: center;
}

h1 {
  font-size: 6rem;
}

h2 {
  font-size: 4.2rem;
}

ul {
  list-style: none;
}

a {
  text-decoration: none;
  color: var(--main-white);
}

img {
  display: block;
  width: 100%;
}

 /* header */

.header {
  background-color: #fff;
  box-shadow: 1px 1px 4px 0 rgba(0,0,0,.1);
  position: fixed;
  width: 100%;
  z-index: 3;
}

.header ul {
  margin: 0;
  padding: 0;
  list-style: none;
  overflow: hidden;
  background-color: #fff;
}

.header li a {
  display: block;
  padding: 20px 20px;
  text-decoration: none;
  color:#000;
}

.header .logo {
  display: block;
  float: left;
  font-size: 2em;
  padding: 10px 20px;
  text-decoration: none;
}

.header .logo img{
  width:50px;
  height:50px;
}

.header a.logo{
  color:#000;
}

/* menu */

.header .menu {
  clear: both;
  max-height: 0;
  transition: max-height .2s ease-out;
}

/* menu icon */

.header .menu-icon {
  cursor: pointer;
  display: inline-block;
  float: right;
  padding: 28px 20px;
  position: relative;
  user-select: none;
}

.header .menu-icon .navicon {
  background: #333;
  display: block;
  height: 2px;
  position: relative;
  transition: background .2s ease-out;
  width: 18px;
}

.header .menu-icon .navicon:before,
.header .menu-icon .navicon:after {
  background: #333;
  content: '';
  display: block;
  height: 100%;
  position: absolute;
  transition: all .2s ease-out;
  width: 100%;
}

.header .menu-icon .navicon:before {
  top: 5px;
}

.header .menu-icon .navicon:after {
  top: -5px;
}

/* menu btn */

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

.header .menu-btn:checked ~ .menu {
  max-height: 240px;
}

.header .menu-btn:checked ~ .menu-icon .navicon {
  background: transparent;
}

.header .menu-btn:checked ~ .menu-icon .navicon:before {
  transform: rotate(-45deg);
}

.header .menu-btn:checked ~ .menu-icon .navicon:after {
  transform: rotate(45deg);
}

.header .menu-btn:checked ~ .menu-icon:not(.steps) .navicon:before,
.header .menu-btn:checked ~ .menu-icon:not(.steps) .navicon:after {
  top: 0;
}

/* 48em = 768px */

@media (min-width: 48em) {
  .header li {
    float: left;
  }
  .header li a {
    padding: 20px 30px;
  }
  .header .menu {
    clear: none;
    float: right;
    max-height: none;
  }
  .header .menu-icon {
    display: none;
  }
}

/* Footer */

footer {
  font-weight: 300;
  display: flex;
  justify-content: space-evenly;
  padding: 2rem;
  background: #000;
  border-top: 4px solid var(--main-red);
}

footer > p {
  margin: 2rem;
  color: var(--main-white);
}

footer i {
  vertical-align: middle;
}

@media (max-width: 28.75em) {
  footer {
    flex-direction: column;
    text-align: center;
  }
}