/*
=============== 
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: #222;
  --ff-primary: "Roboto", sans-serif;
  --ff-secondary: "Open Sans", sans-serif;
  --transition: all 0.3s linear;
  --spacing: 0.1rem;
  --radius: 1.25rem;
  --light-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  --dark-shadow: 0 5px 15px rgba(0, 0, 0, 0.7);
  --max-width: 1170px;
  --fixed-width: 620px;
}
/*
=============== 
Global Styles
===============
*/

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

body {
    background: var(--clr-grey-10);
    font-family: var(--ff-secondary);
    color: var(--clr-gray-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;
    font-family: var(--ff-primary);
} 

h1 {font-size: 3.000rem;}
h2 {font-size: 2.000rem;}
h3 {font-size: 1.250rem;}
h4 {font-size: 0.875rem;}

p {
    margin-bottom: 1.25rem;
    color: var(--clr-grey-5);
}

@media screen and (min-width: 800px) {
    h1 {font-size:   4.000rem;}
    h2 {font-size:   2.500rem;}
    h3 {font-size:   1.750rem;}
    h4 {font-size:   1.000rem;}
    body {font-size: 1.000rem; }
    h1,h2,h3,h4 {line-height: 1.25;}
}

/* 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 { 
    /* background: red; */
    min-height: 100vh;
    display: grid;
    place-items: center;
}

/*
=============== 
Nav
===============
*/

nav{
    /* background: green; */
    background: var(--clr-white);
    height: 3rem;
    display: grid;
    align-items: center;
    box-shadow: var(--dark-shadow);
}


.nav-center {
    /* background: yellow; */
    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);
    /* color:rgb(187, 49, 49) */
}

.nav-links {display: center}
.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);
}

/*
=============== 
Container
===============
*/


main {
    min-height: calc(100vh - 3rem);
    display: grid;
    place-items: center;
} 

.container {
    text-align: center; 
}

.container h2 {
    background: var(--clr-black);
    color: var(--clr-white);
    padding: 1rem;
    border-radius: var(--radius);
    margin-bottom: 2.5rem;
}

.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);
    border: 3px solid var(--clr-black);
    border-radius: 2rem;
    cursor: pointer; 
    box-shadow: -30px 30px 30px rgba(0, 0, 0, 0.7);
    font-size: 1rem;
    padding: 0.5rem;
}

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