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

:root {
    --ff-primary: "Nunito", sans-serif;
    --ff-secondary: "Lora", serif;

    --fw-reg: 300;
    --fw-bold: 800;

    --clr-light: #fff;
    --clr-dark: #23292B;
    --clr-dark-alt1: #3a4042;
    --clr-accent: #99FF17;
    --clr-accent-alt1: #7ED321;

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

@media (min-width: 800px) {
    :root {    
        --fs-h1: 4.5rem;
        --fs-h2: 3.75rem;
        --fs-h2: 1.5rem;
        --fs-body: 1.25rem;
    }
}

/* basic */

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

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

section {
    padding: 5rem 2rem;
    margin: 0 auto;
    
}

.wrapper {
    max-width: 1200px;
    margin: 0 auto;
}

header {
    display: flex;
    justify-content: space-between;
    padding: 1rem 1.5rem;
   
}
@media (min-width: 800px) {
    header.wrapper {
        margin-top: 3rem;
    }
}


.logo {
    /* margin: 0 auto; */
    max-width: 120px;
}   

.skip-nav {
    position: absolute;
    top: -50px;
    left: 0;
    padding: 8px;
    z-index: 100;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* navigation */


nav {
    display: flex;
    justify-content: center;

}

nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

nav li {
    display: inline-block;
    margin-left: 2rem;
}

nav a {
    color: var(--clr-light);
    font-weight: var(--fw-bold);
    text-decoration: none;
}

nav a:hover {
    color: var(--clr-accent);
}

.nav-toggle {
    padding: 0.5em;
    background: transparent;
    border: 0;
    cursor: pointer;
}

.nav-toggle .hamburger {
    display: block;
    width: 1.5rem;
    height: 2rem;
    background: transparent;
    position: relative;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 0.2rem;
    background: var(--clr-light);
    position: absolute;
    left: 0;
    top: 0;
}
.hamburger span:nth-child(2) {
    top: 0.7rem;
}
.hamburger span:nth-child(3) {
    top: 1.4rem;
}

.nav__list {
    display: none;
}
.nav[data-open="true"] {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(35, 41, 43, 0.95);
    z-index: 1000;
}

.nav[data-open="true"] .nav-toggle {
    position: absolute;
    top: 1.5rem;
    right: 1rem;
}

.nav[data-open="true"] .nav__list {
    display: flex;
    flex-direction: column;
    text-align: center;
}

@media (max-width: 799px) {

    .nav__item {
        margin: 1rem 0;
        font-size: 1.5rem;
    }

}

.nav-toggle[aria-expanded="true"] .hamburger span:nth-child(1) {
    transform: translateY(12px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .hamburger span:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] .hamburger span:nth-child(3) {
    transform: translateY(-11px) rotate(-45deg);
}

@media (min-width: 800px) {
    .nav__list {
        display: block;
    }
    .nav-toggle {
        display: none;
    }
}

.intro p {
    max-width: 56rem;
}


/* buttons and links */

.btn {
    display: inline-block;
    padding: 0.5em 2.5em;
    background: var(--clr-accent);
    color: var(--clr-dark);
    text-decoration: none;
    cursor: pointer;
    border-radius: 0.5rem;
}

.btn:hover {
    background: var(--clr-accent-alt1);
}

a {
    color: var(--clr-accent);
    text-decoration: none;
}

a:hover {
    color: var(--clr-accent-alt1);
}
a.btn:hover {
    color: var(--clr-dark);
}


/* typography */ 

h1, h2, h3 {
    line-height: 1.1;
    margin: 0;
}

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

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

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


.skills {
    background-color: var(--clr-accent);
}

@media (max-width: 799px) {
    .skill__cards .skill {
        margin-bottom: 2rem;
    }
}

@media (min-width: 800px) {
    .skill__cards {
        display: flex;
        gap: 4rem;
    }
}

.skill {
    flex: 1;
    background-color: var(--clr-dark);
    padding: 1rem;
    border-radius: 0.5rem;
}


.education {
    background-color: var(--clr-dark);
    padding: 1rem;
    margin-top: 2rem;
    border-radius: 0.5rem;
}



/* skills */

.section__title--skills {
    margin-bottom: 1rem;
    color: var(--clr-dark);
}

/* Work */

.projects {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-block: 2rem 3rem;
}

.projects .content {
    background-color: var(--clr-dark-alt1);
    padding: 1rem 1rem;
    margin-block: 2.5rem 1rem;
}

.projects .content img {
    margin: 0 0 1.5rem 0;
}

.projects .project {
    flex-basis: 0;
    flex-grow: 1;
}

.project__content-panel {
    display: none;
}


.project.is-active summary img {
    border-color: var(--clr-accent);
}

@media (min-width: 800px) {

    .content-panel-wrapper {
    background-color: var(--clr-dark-alt1);
    }

    .project summary img {
        border: 5px solid;
        border-color: var(--clr-dark-alt1);
    }

    .projects {
        flex-direction: row;
    }
    .projects .content {
        display: none;
    }
    .project__content-panel.is-open {
        display: block;
        padding: 2rem;
        margin-top: 3rem;
        position: relative;
    }

    .project__content-panel p {
        max-width: 48rem;
        margin-inline: auto;
    }
    .project__content-panel img {
        max-width: 48rem;
        margin: 1.5rem auto;
    }
    .project-content-panel__title {
        max-width: 48rem;
        margin: 1.5rem auto;
    }

    .project__content-panel:before {
        border: solid transparent;
        content: "";
        height: 0;
        width: 0;
        position: absolute;
        left: 50%;
        bottom: 100%;
        border-width: 20px;
        border-color: transparent transparent var(--clr-dark-alt1) transparent ;
        margin-left: -20px;
    }

    .project__content-panel.arrow-left:before {
        left: 15%;
    }

    .project__content-panel.arrow-right:before {
        left: 85%;
    }

}

.project__title {
    margin: 1rem 0;
}

.project summary {
    cursor: pointer;
    list-style: none;
}

.project summary::-webkit-details-marker {
    display: none;
}

@media (max-width: 799px) {
    .project details[open] .expand-button::after {
        content: " Close Project";
    }

    .project details:not([open]) .expand-button::after {
        content: " View Project";
    }

    .project details .expand-button {
        font-size: 0;
    }

    .project details .expand-button::after {
        font-size: 1rem;
        display: inline-block;
        padding: 0.5em 2.5em;
    }

    .project details[open] .content {
        position: relative;
    }

    .project details[open] .content:before {
        border: solid transparent;
        content: "";
        height: 0;
        width: 0;
        position: absolute;
        left: 50%;
        bottom: 100%;
        border-width: 20px;
        border-color: transparent transparent var(--clr-dark-alt1) transparent ;
        margin-left: -20px;
    }
}

.project-content-panel__close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: transparent;
    border: none;
    font-size: 2rem;
    color: var(--clr-light);
    cursor: pointer;
}

/* contact */

#Contact {
    background-color: var(--clr-dark-alt1);
}

.social-list {
    list-style: none;
    padding: 0px;
}