:root {

  /**
   * colors
   */

  --st-patricks-blue: hsl(236, 57%, 28%);
  --test-color:hsl(230.4,50%,58.4%);
  --amaranth-purple: hsl(335, 88%, 38%);
  --royal-blue-dark: hsl(230, 74%, 23%);
  --royal-blue-light: hsl(230, 48%, 43%);
  --chrome-yellow: hsl(39, 100%, 52%);
  --space-cadet-1: hsl(230, 41%, 25%);
  --space-cadet-2: hsl(230, 59%, 16%);
  --winter-sky_50: hsla(335, 87%, 53%, 0.5);
  --purple-navy: hsl(236, 26%, 43%);
  --ksu-purple: hsl(231, 72%, 74%);
  --winter-sky: hsl(335, 87%, 53%);
  --razzmatazz: hsl(335, 87%, 51%);
  --platinum: hsl(0, 0%, 90%);
  --black_70: hsla(0, 0%, 0%, 0.7);
  --rajah: hsl(29, 99%, 67%);
  --black-lighter: hsl(341, 0%, 64%);
  --black: 	hsl(0, 0%, 12%);
  --white: hsl(0, 0%, 100%);
  --vers3-blue: hsl(225, 48%, 90%);
  --vers3-blue-dark: hsl(230.3,55.7%,32.7%);
  --light-gray:	hsl(0, 0%, 95%);
  --dark-gray: hsl(0, 0%, 17%);


  --gradient-1: linear-gradient(90deg,var(--royal-blue-dark) 0,var(--ksu-purple) 63%,var(--royal-blue-light));
  --gradient-2: linear-gradient(90deg,var(--razzmatazz) ,var(--rajah));
  --gradient-3: linear-gradient(180deg,var(--white), var(--vers3-blue));
  --gradient-4: linear-gradient(90deg,var(--test-color), var(--test-color));
  --gradient-5: linear-gradient(90deg,var(--vers3-blue) 56%, var(--ksu-purple)); 
  /**
   * typography
   */

  --ff-source-sans-pro: 'Source Sans Pro', sans-serif;
  --ff-source-inter-sans: 'Inter', sans-serif;
  --ff-source-georama: 'Georama', sans-serif;
  --ff-poppins: 'Poppins', sans-serif;

  --fs-1: 4.2rem;
  --fs-2: 3.8rem;
  --fs-3: 3.2rem;
  --fs-4: 2.8rem;
  --fs-5: 2.4rem;
  --fs-6: 2rem;
  --fs-7: 1.8rem;
  --fs-8: 1.5rem;

  --fw-100: 100;
  --fw-200: 200;
  --fw-300: 300;
  --fw-400: 400;
  --fw-500: 500;
  --fw-600: 600;
  --fw-700: 700;

  /**
   * border radius
   */

  --radius-4: 4px;
  --radius-12: 12px;

  /**
   * spacing
   */

  --section-padding: 100px;

  /**
   * transition
   */

  --transition-1: 0.15s ease;
  --transition-2: 0.35s 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);

  /**
   * shadow
   */

  --shadow: 0 5px 20px 1px hsla(220, 63%, 33%, 0.1);

}

.full-width{
  width: 100%;
}





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

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

li { list-style: none; }

a { text-decoration: none; }

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

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

button { cursor: pointer; }

input { width: 100%; }

ion-icon { pointer-events: none; }

img { height: auto; }

address { font-style: normal; }

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

body {
  background-color: var(--white);
  color: var(--black);
  font-size: 1.6rem;
  background: var(--white);
}

::-webkit-scrollbar { width: 10px; }

::-webkit-scrollbar-track { background-color: hsl(0, 0%, 95%); }

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

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





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

.container, .newcontainer { padding-inline: 15px; }


.h2,
.h3 { font-family: var(--ff-source-inter-sans); }

.btn {
  background-color: var(--white);
  color: var(--black);
  padding: 3px 10px;
  font-size: var(--fs-8);
  font-weight: var(--fw-300);
  border-radius: 8px;
  border-style: solid;
  border-color: var(--black-lighter);
  transition: var(--transition-2);
  max-height: 50px;
}

.btn:is(:hover, :focus) { background-position: right; }

.w-100 { width: 90%; margin-left: auto; margin-right: auto; }

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

.section-title {
  font-family: var(--ff-source-inter-sans);
  color: var(--black);
  font-size: var(--fs-4);
  font-weight: 300;
  margin-block-end: 30px;
  max-width: max-content;
  margin-inline: auto;
}

:is(.service-card, .features-card, .blog-card) .text { font-size: var(--fs-8); }


.about-content a:link, .about-content a:visited {
  color: inherit;
  cursor: pointer;
}


/*-----------------------------------*\
  #text divider
\*-----------------------------------*/


.text-divider {
  max-width: 75%;
  margin-left: auto;
  margin-right: auto;
  display: flex;
  align-items: center;
  --text-divider-gap: 2rem; 
  padding-bottom: 70px;
  font-weight: var(--fw-500);
  font-size: var(--fs-3);
}

.text-divider::before,
.text-divider::after {
  content: '';
  height: 1px;
  background-color: silver;
  flex-grow: 1;
}

.text-divider::before {
  margin-right: var(--text-divider-gap);
}

.text-divider::after {
  margin-left: var(--text-divider-gap);
}




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

.header .btn { display: none; }

.header {
  --color: var(--black);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  padding-block: 14px;
  z-index: 4;
  transition: var(--transition-1);
}

.header.active {
  --color: var(--black);

  position: fixed;
  background-color: var(--white);
  box-shadow: 0 2px 30px hsla(0, 0%, 0%, 0.1);
}

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

.nav-open-btn {
  color: var(--color);
  font-size: 32px;
  padding: 4px;
}

.navbar {
  background-color: var(--black);
  position: fixed;
  top: 0;
  left: -280px;
  width: 100%;
  max-width: 280px;
  min-height: 100%;
  padding: 20px;
  visibility: hidden;
  z-index: 2;
  transition: 0.25s var(--cubic-in);
}

.navbar.active {
  transform: translateX(280px);
  visibility: visible;
  transition: 0.5s var(--cubic-out);
}

.navbar-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-block: 10px 30px;
}

.navbar-top .logo {
  color: var(--white);
  font-size: 4.2rem;
  font-weight: 300;
}

.nav-close-btn {
  color: var(--white);
  font-size: 2.8rem;
  padding: 4px;
}

.navbar-item:not(:last-child) { border-bottom: 1px solid var(--platinum); }

.navbar-link {
  color: var(--white);
  font-size: var(--fs-8);
  font-weight: var(--fw-300);
  padding-block: 10px;
}

.overlay {
  position: fixed;
  inset: 0;
  background-color: var(--black_70);
  z-index: 1;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-2);
}

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




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




.hero-content { 
  text-align: center;
}


.hero-title {
  font-family: var(--ff-source-inter-sans);
  font-size: var(--fs-1);
  font-weight: var(--fw-400);
  color: var(--black);
  margin-block-end: 20px;

}


.hero-subtitle{
  color: var(--black);
  font-size: var(--fs-6);
  font-weight: var(--fw-200);
  margin-left: auto;
  margin-right: auto;
  width: 70%;
}

.demo-title {
  font-family: var(--ff-source-inter-sans);
  font-size: var(--fs-1);
  font-weight: bolder;
  color: var(--black);
  font-size: var(--fs-1);
  margin-block-end: 40px;
  text-align: center;
}


/*-----------------------------------*\
  #ABOUT
\*-----------------------------------*/

.about-banner { margin-block-end: 30px;  }

.about .section-title { margin-inline: 0; }

.about .underline::before {
  left: 0;
  transform: translateX(0);
}

.about-text {
  font-size: var(--fs-8);
  font-weight: var(--fw-300);
  margin-block-end: 20px;
  line-height: 1.75;
}

#about3, #about1, #about5{
  background-color: var(--light-gray);
}

.div-bar {
  width:100%;
  height:10px;
  margin-bottom: 30px;
  border-bottom: 1px solid var(--black);
}


.fas{
  color: var(--black);
  margin-bottom: min(30px);
}

.div-links{
  display: flex;
  justify-content: left;
  gap: 20px;
}




/*-----------------------------------*\
  #navbar-animation
\*-----------------------------------*/


.navbar-link:hover {
  text-decoration: underline; 
}




/*-----------------------------------*\
  #Experience
\*-----------------------------------*/

.newcontainer h2{
  font-size: var(--fs-7);
  font-weight: var(--fw-600);
}

.newcontainer p, ul, li{
  font-size: var(--fs-8);
  font-weight: var(--fw-300);
}

.newcontainer ul li span {
  float: right;
}

.newcontainer ul li{
  padding: 5px 0px;
}


.custom-list li{
  margin-left: 40px;
  list-style: disc; 
}

/*-----------------------------------*\
  #Blog
\*-----------------------------------*/

.blog{
  padding-top: 10%;
  text-align: center;
  padding-bottom: 10%;
}

/*-----------------------------------*\
  #Contact
\*-----------------------------------*/


.contact{
  padding-top: 13%;
  text-align: center;
  padding-bottom: 10%;
}

/*-----------------------------------*\
  #progress
\*-----------------------------------*/

.hero-title mark{
  background-color: var(--white);
  color: var(--black);
}

mark.highlight {
  background: linear-gradient(90deg, var(--light-gray) 50%, rgba(190, 98, 98, 0) 50%);
  background-size: 200% 100%;
  background-position: 100% 0;
  -webkit-animation: highlight 1.3s cubic-bezier(0.4, 0, 1, 1) forwards;
          animation: highlight 1.3s cubic-bezier(0.4, 0, 1, 1) forwards;
}

@-webkit-keyframes highlight {
  to {
    background-position: 0 0;
  }
}

@keyframes highlight {
  to {
    background-position: 0 0;
  }
}


/*-----------------------------------*\
  #Hover Picture
\*-----------------------------------*/

/* .hover-image {
  transition: none;
}

.hover-image:hover {
  content: url('../images/subjectcolor.png'); 
}

 */

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

.footer { font-size: var(--fs-8); font-weight: 200;}

.footer-bottom {
  background-color: var(--white);
  padding: 20px;
  text-align: center;
  color: var(--black);
}

.links{
  display: flex;
  justify-content: center;
  gap: 10px;
}


/*-----------------------------------*\
  #change light mode
\*-----------------------------------*/

.lightChange {
  position: fixed;
  bottom: 0;
  right: 15px;
  background-color: var(--black-lighter);
  color: var(--white);
  font-size: 2rem;
  padding: 14px;
  border-radius: var(--radius-4);
  z-index: 2;
  visibility: hidden;
  opacity: 0;
  transition: var(--transition-1);
}

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





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



/**
 * responsive for larger than 350px screen
 */


 @media (min-width: 350px) {

  /**
   * REUSED STYLE
   */
   .hero {
    min-height: 600px;
    display: grid;
    place-items: center;
  }

  .container , .newcontainer{
    max-width: auto;
    margin-inline: auto;
  }

  .section-title { --fs-3: 3.6rem; }


  .header .btn {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-inline-start: auto;
  }
  
  /**
   * HEADER
   */

  .hero-subtitle{
    width: 100%;
  }

}



@media (min-width: 550px) {

  /**
   * REUSED STYLE
   */
   .hero {
    min-height: 600px;
    display: grid;
    place-items: center;
  }


  .container, .newcontainer {
    max-width: 550px;
    margin-inline: auto;
  }

  .section-title { --fs-3: 3.6rem; }

  /**
   * HEADER
   */


  .hero-subtitle{
    width: 100%;
  }

}





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

@media (min-width: 768px) {

  /**
   * REUSED STYLE
   */

  .container, .newcontainer { max-width: 720px; }

  /**
   * HERO
   */

  .hero {
    min-height: 600px;
    display: grid;
    place-items: center;
  }


  .hero-content { margin-block-end: 0; }

  .hero .container {
    display: grid;
    grid-template-columns: 2fr;
    max-width: 70%;
    gap: 80px;
  }

  .about .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

}





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

@media (min-width: 992px) {

  /**
   * CUSTOM PROPERTY
   */

  :root {

    /**
     * typography
     */

    --fs-1: 5.4rem;

  }




  /**
   * REUSED STYLE
   */

  .container, .newcontainer{ max-width: 950px; }



  /**
   * HEADER
   */

  .header { padding-block: 10px; }

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

  .navbar,
  .navbar.active {
    all: unset;
    justify-content: center;
    margin-left: auto;
    margin-right: auto;
  }

  .header .btn { margin-inline-start: 0; }

  .navbar-list {
    display: flex;
    flex-wrap: wrap;
    gap: 45px;
  }


  .navbar-item:not(:last-child) { border-bottom: none; }

  .navbar-link { color: var(--color); }



  /**
   * HERO
   */

  .hero { min-height: 700px; }


  /**
   * ABOUT
   */

  .about .container {
    display: grid;
    grid-template-columns: 0.5fr 1fr;
    gap: 80px;;
  }

}





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

@media (min-width: 1200px) {

  /**
   * REUSED STYLE
   */

  .container, .newcontainer { max-width: 1200px; }

  .section-title { --fs-3: 4.6rem; }

  .section .container, .newcontainer {padding-left: 100px; padding-right: 100px;}




  /**
   * HERO
   */

  .hero { min-height: 800px; }



}