/*
=============== 
Fonts
===============
*/
@import url("https://fonts.googleapis.com/css?family=Open+Sans|Roboto:400,700&display=swap");

/*
=============== 
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: rgb(30, 28, 28);
  --ff-primary: "Roboto", sans-serif;
  --ff-secondary: "Open Sans", sans-serif;
  --transition: all 0.3s linear;
  --spacing: 0.1rem;
  --radius: 0.25rem;
  --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: var(--ff-secondary);
  background: var(--clr-grey-10);
  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;
  font-family: var(--ff-primary);
}
h1 {
  font-size: 3rem;
}
h2 {
  font-size: 2rem;
}
h3 {
  font-size: 1.25rem;
}
h4 {
  font-size: 0.875rem;
}
p {
  margin-bottom: 1.25rem;
  color: rgb(215, 46, 111);
  font-size: 2em;
  font-weight: 900;
}

input {
  height: 48px;
  font-size: 40px;
  background-color: rgba(15, 16, 16, 0.713);
  border: rgb(252, 248, 248) 1px solid;
  color: rgb(136, 252, 175);
  text-align: center;
  width: 150px;
}

#result {
  font-size: 18px;
  color: rgb(255, 255, 255);
  background-color: rgb(34, 34, 34);
  padding: 10px;
  border-radius: 90px;
}

@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;
  }
}
/*  global classes */

/* section */
.section {
  padding: 5rem 0;
}

.section-center {
  width: 90vw;
  margin: 0 auto;
  max-width: 1170px;
}
@media screen and (min-width: 992px) {
  .section-center {
    width: 95vw;
  }
}
main {
  padding: 10px;
  min-height: 100vh;
  display: grid;
  place-items: center;
}


/*
=============== 
Nav
===============
*/
nav {
  background: var(--clr-white);
  height: 3rem;
  display: grid;
  align-items: center;
  box-shadow: var(--dark-shadow);
}
.nav-center {
  width: 90vw;
  max-width: var(--fixed-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-center h4 {
  margin-bottom: 0;
  color: var(--clr-primary-5);
}
.nav-links {
  display: flex;
}
nav a {
  text-transform: capitalize;
  font-weight: 700;
  font-size: 1rem;
  color: var(--clr-primary-1);
  letter-spacing: var(--spacing);
  margin-right: 1rem;
}
nav a:hover {
  color: var(--clr-primary-5);
}

/*
=============== 
Title
===============
*/

.title {
  border: rgb(159, 151, 158) 5px solid;
  background-color: black;
  color: white;
  text-align: center;
  margin-bottom: 100px;
  margin: 10px 10px;

}


/*
=============== 
Container
===============
*/
main {
  min-height: calc(100vh - 3rem);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 50px;


}
.container {
  background: var(--clr-white);
  text-align: center;
  width: 400px;
  height: 400px;
  border: rgb(195, 182, 182) 10px solid;
}

.container h2 {
  background: var(--clr-black);
  color: var(--clr-white);
  padding: 1rem;
  margin-bottom: 2.5rem;
  font-size: 22px;
  border: rgb(142, 238, 247) solid 5px;

}
.color {
  color: var(--clr-primary-5);
}
.btn-hero {
  font-family: var(--ff-primary);
  text-transform: uppercase;
  background: transparent;
  color: var(--clr-black);
  letter-spacing: var(--spacing);
  display: inline-block;
  font-weight: 700;
  transition: var(--transition);
  cursor: pointer;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
  border-radius: var(--radius);
  font-size: 1rem;
  padding: 0.75rem 1.5rem;
 


}
.btn-hero:hover {
  color: var(--clr-white);
  background: var(--clr-black);
}

.space {
  text-align: center;
  width: 400px;
  height: 400px;
  border: rgb(195, 182, 182) 10px solid;

}

#value {
  font-size: 5rem;
  font-weight: bold;
}

.increase {
  background-color: rgb(0, 0, 0);
  color: rgb(179, 225, 245);
  font-size: 1.2rem;
  width: 100px;

}

.decrease {
  background-color: rgb(0, 0, 0);
  color: rgb(179, 225, 245);
  font-size: 1.2rem;
  width: 100px;
 
}


.reset {
  background-color: rgb(0, 0, 0);
  color: rgb(234, 230, 218);
  font-size: 1.2rem;
  width: 100px;

}

/*
=============== 
Digital Clock
===============
*/
.container clock {


}
.clock {
  color: #fffefe;
  font-size: 30px;
  font-family: Orbitron;
  letter-spacing: 6px;
  background-color: black;
  margin: 3rem;
  text-align: center;
  border: rgb(173, 214, 244) 5px solid;
  margin-top: 4rem;
  
}


.glow {
  font-size: 60px;
  color: rgba(254, 253, 254, 0.913);
  text-align: center;
  -webkit-animation: glow 2s ease-in-out infinite alternate;
  -moz-animation: glow 5s ease-in-out infinite alternate;
  animation: glow 2s ease-in-out infinite alternate;
}

@-webkit-keyframes glow {
  from {
    text-shadow: 10 0 10px rgb(255, 7, 7), 0 0 20px rgb(38, 214, 15), 0 0 30px #d5f8ad, 0 0 40px #fbf9fa, 0 0 50px #026aea, 0 0 60px #116680, 0 0 70px #cce3a8;
  }
  to {
    text-shadow: 0 0 20px rgb(4, 171, 248), 0 0 30px #4dc4ff, 0 0 40px #eae8ee, 0 0 50px #ebe9ee, 0 0 60px #bce89e, 0 0 70px #e0e279, 0 0 80px #d6d8f2;
  }
}

/*
=============== 
Stop Watch
===============
*/


#seconds, #tens  {
  font-size:4rem;
  color: rgb(34, 33, 33);
}


.stopWatch {
  color: rgb(23, 22, 22);
  font-size:5em;
}


#button-start {
  background-color: #121111;
  color:#eee8e8; 
  text-decoration:none;
  cursor:pointer;
  font-size:1.2em;
  padding:8px 8px;
  margin: 10px;
  outline: none;
  border-radius: 20px;

}

#button-stop {
  background-color: #e62c64;
  color:#f7f5f5; 
  text-decoration:none;
  cursor:pointer;
  font-size:1.2em;
  padding:8px 8px;
  margin: 10px;
  outline: none;
  border-radius: 20px;
}

#button-reset {
  background-color: #121111;
  color:#eee8e8; 
  text-decoration:none;
  cursor:pointer;
  font-size:1.2em;
  padding:8px 8px;
  margin: 10px;
  outline: none;
  border-radius: 20px;
}