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

/* Custom Properties, update these for your own design */

:root {
    --ff-primary: 'Open Sans', sans-serif;
    --ff-secondary: 'Fira Code', monospace;

    --fw-reg: 300;
    --fw-bold: 900;

    --clr-light: #fff;
    --clr-dark: #303030;
    --clr-accent: #000000;
    --clr-olive: #9bc1bc;
    --clr-purple: #5d576b;
    --clr-offwhite: #e6ebe0;
    --clr-orange: #ed6a5a;
    --clr-yellow: #f4f1bb;

    --clr--white: #fff;
    --clr--background: #f6f6f6;
    --clr--black: #000000;


    /* --clr-light: #fff;
    --clr-dark: #303030;
    --clr-accent: #000000;
    --clr-olive: #f6f6f6;
    --clr-purple: #f6f6f6;
    --clr-offwhite: #fff;
    --clr-orange: #ed6a5a;
    --clr-yellow: #f4f1bb; */

    --fs-h1: 3rem;
    --fs-h2: 2.25rem;
    --fs-h3: 1.25rem;
    --fs-body: 1rem;

    --bs: 0.25em 0.25em 0.75em rgba(0, 0, 0, .25),
        0.125em 0.125em 0.25em rgba(0, 0, 0, .15);
}

@media (min-width: 800px) {
    :root {
        --fs-h1: 4.5rem;
        --fs-h2: 3.75rem;
        --fs-h3: 2rem;
        --fs-body: 1.125rem;
    }
}



/* General styles */


html {
    scroll-behavior: smooth;
}

body {
    background: var(--clr--background);
    color: var(--clr-accent);
    margin: 0;
    font-family: var(--ff-primary);
    font-size: var(--fs-body);
    line-height: 1.6;
}

section {
    padding: 1em 2em;
}

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

strong {
    font-weight: var(--fw-bold)
}

:focus {
    outline: 3px solid var(--clr-orange);
    outline-offset: 3px;
}

h2 {
    font-family: 'Libre Baskerville', serif;
    color: var(--clr-dark);
}

/* Buttons */


.btn {
    display: inline-block;
    padding: .5em 2.5em;
    background: var(--clr-orange);
    color: black;
    text-decoration: none;
    cursor: pointer;
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: var(--fw-bold);
    transition: transform 200ms ease-in-out;
    border-radius: 8px;
    border: none;
}

.btn:hover {
    transform: scale(1.1);
}

/* Typography */

h1,
h2,
h3 {
    line-height: 1;
    margin: 0;
}

h1 {
    font-size: var(--fs-h1)
}

h2 {
    font-size: var(--fs-h2)
}

h2 {
    margin: 1rem;
    text-align: center;
}

h3 {
    font-size: var(--fs-h3)
}

.process-header {
    
    padding: .25em 1em;
    font-family: var(--ff-secondary);
    margin-bottom: 1em;
    color: #5d576b;
    text-align: center;
}

.section__title {
    margin-bottom: .25em;
}

.section__title--intro {
    font-weight: var(--fw-reg);
}

.section__title--intro strong {
    display: block;
}

.section__subtitle {
    margin: 0;
    font-size: var(--fs-h3);
}

.section__subtitle--intro,
.section__subtitle--about {
    background: var(--clr-accent);
    padding: .25em 1em;
    font-family: var(--ff-secondary);
    margin-bottom: 1em;
    color: #fc0;
}

/* header */

header {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 1em;
    background-color: var(--clr-dark);
}

.logo {
    max-width: 100px;
}

.logo:focus {
outline: none;
}

.nav {
    position: fixed;
    background: var(--clr-dark);
    color: var(--clr-light);
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 100;

    transform: translateX(100%);
    transition: transform 250ms cubic-bezier(.5, 0, .5, 1);
}

.nav__list {
    list-style: none;
    display: flex;
    height: 100%;
    flex-direction: column;
    justify-content: space-evenly;
    align-items: center;
    margin: 0;
    padding: 0;
    width: 100%;
}

.nav__link {
    color: inherit;
    font-weight: var(--fw-bold);
    font-size: var(--fs-h2);
    text-decoration: none;
}

.nav__link:hover {
    color: var(--clr-orange);
}

.nav-toggle:focus {
    outline: 3px solid var(--clr-orange);
}

.nav-toggle {
    padding: .5em;
    background: transparent;
    border: 0;
    cursor: pointer;
    position: absolute;
    right: 1em;
    top: 1em;
    z-index: 1000;
}

.nav-open .nav {
    transform: translateX(0);
}

.nav-open .nav-toggle {
    position: fixed;
}

.nav-open .hamburger {
    transform: rotate(.625turn);
}

.nav-open .hamburger::before {
    transform: rotate(90deg) translateX(-6px);
}

.nav-open .hamburger::after {
    opacity: 0;
}

.hamburger {
    display: block;
    position: relative;
}

.hamburger,
.hamburger::before,
.hamburger::after {
    background: var(--clr-orange);
    width: 2em;
    height: 3px;
    border-radius: 1em;
    transition: transform 250ms ease-in-out;
}


.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
}

.hamburger::before {
    top: 6px;
}

.hamburger::after {
    bottom: 6px;
}




/* footer */

.footer {
    background: #111;
    color: var(--clr-yellow);
    text-align: center;
    font-size: var(--fs-h3);
    display: flex;
    flex-direction: column;
    justify-content: space-evenly;
    padding-top: 4rem;
}

.footer a {
    color: inherit;
    text-decoration: none;
}

.footer__link {
    font-weight: var(--fw-bold);
    outline: none;
}

.footer__link:hover,
.social-list__link:hover {
    opacity: .7;
}

.footer__link:hover {
    text-decoration: underline;
}

.social-list {
    list-style: none;
    display: flex;
    justify-content: center;
}

.social-list__item {
    margin: 0 .5em;

}

.social-list__link {
    padding: 0 .5em;
}

.copyright {
    font-size: smaller;
}

.footer .copyright {

    display: flex;
    justify-content: flex-end;
    margin-right: 1rem;
    padding-top: 2rem;
}

@media (max-width:800px) {
    .footer .copyright {
        margin-right: 0;
        justify-content: center;
    }

}


/* Project */


.proj-header {
    width: 100%;
    color: var(--clr-light);
    padding: 2rem;
    text-align: center;
}

.mockup1-img,
.deploy-img {
    width: 100%;
}


section {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.research-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 1rem;
}

.interview-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
}

.img-mockup {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    grid-column-gap: 1rem;
    grid-row-gap: 1rem;
}

/* carousel indicators */
.carousel-control-next,
.carousel-control-prev,
.carousel-indicators {
    filter: invert(100%);
}

video:focus {
    outline: none;
}


/* Media Quesries */

/* Responsive for extra large screen */
@media (min-width: 1281px) {
    section {
        padding: 2rem 24rem;
    }

    .role-p {
        text-align: center;
    }
}



/* Responsive for tablet */
@media (min-width: 768px) and (max-width: 1000px) {

    .intro-container,
    .deploy-container {
        display: flex;
        flex-direction: column;
    }

    .role-container {
        text-align: center;
    }
}

@media (min-width: 600px) {
    .design-proc {
        width: 70%;
    }

    .research-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
    }

    .user-img,
    .journey-img {
        width: 70%;
    }

    .site-img,
    .wireframe-img,
    .style-img {
        width: 90%;
        height: auto;
    }

    .deploy-container {
        display: flex;
        width: auto;
        align-items: center;
    }

    .vid1 {
        width: 70%;
        height: auto;
    }

    .vid2 {
        width: 60%;
        height: auto;
    }

    .carousel {
        width: 60%;
    }
    .logo {
        max-width: 10em;
    }
}


@media (min-width: 1000px) {
    .intro-container {
        display: flex;
        flex-direction: row;
        align-items: center;
    }

  
    .overview {
        background-color: var(--clr--white);
        color: var(--clr-accent);
        padding: 2rem;
        border-radius: 10px;
        box-shadow: rgb(204, 203, 203) 6px 6px 20px;
    }
    .research-col{
       border: #9bc1bc 4px solid;
       border-radius: 8px;
       padding: 2rem;
       display: flex;
       align-items: center;
    }
    .img-shadow {
        box-shadow: rgb(204, 203, 203) 6px 6px 20px;
    }
    .mockup1-img,
    .deploy-img {
        width: 45%;
    }
    /* typewriter animation */
.typewriter {
    color: #fff;
    font-family: monospace;
    overflow: hidden; /* Ensures the content is not revealed until the animation */
    border-right: .15em solid orange; /* The typwriter cursor */
    white-space: nowrap; /* Keeps the content on a single line */
    margin: 0 auto; /* Gives that scrolling effect as the typing happens */
    letter-spacing: .15em; /* Adjust as needed */
    animation: 
      typing 3.5s steps(30, end),
      blink-caret .5s step-end infinite;
  }
  
  /* The typing effect */
  @keyframes typing {
    from { width: 0 }
    to { width: 100% }
  }
  
  /* The typewriter cursor effect */
  @keyframes blink-caret {
    from, to { border-color: transparent }
    50% { border-color: orange }
  }
}

@media (max-width:600px) {

    header {
        color: var(--clr-light);
        background-color: var(--clr-purple)
    }

    body {
        background-color: var(--clr-offwhite);
        color: var(--clr-accent);
    }

    .discover-section,
    .discover-section3,
    .define-section2,
    .deploy-section {
        background-color: var(--clr-offwhite);
        color: var(--clr-accent);
    }

    .process-header {
        background-color: var(--clr-olive);
        padding: 1.5rem;
        width: 100%;
        color: var(--clr-accent);
    }
}