:root {
    --site-width: 32rem; /* 800px */
    --side-padding: calc((100vw - var(--site-width)) / 2);
    --nav-background-color: rgba(240, 245, 255, 0.9);
    --nav-height: 3rem;

    --accent-color: #3fb2ff;
    --accent-hover-color: #34495e;

    --blue: #3fb2ff;
    --orange: #f39c12;
    --darkblue: #34495e;

    --vw: 1vw;

    color: rgba(0, 0, 0, 0.9);
    font-size: calc(12px + var(--vw));
    font-family: 'DIN', 'Open Sans', sans-serif;
    text-align: center;
}
@media (min-width: 2000px) {
    :root {
        --vw: 20px;
    }
}
* {
    box-sizing: border-box;
}
html,
body {
    margin: 0;
}

div,
header,
main,
article,
footer {
    display: flex;
    flex-direction: column;
    justify-content: center;
}
p,
h1,
h2,
h3,
h4,
ul {
    margin: 0;
}

img,
canvas {
    display: block;
    max-width: 100%;
    margin: auto;
    transition: 0.3s;
}

a {
    text-decoration: none;
    transition: 0.3s;
}
/* a:hover {
	opacity: 0.8;
} */
main p a:hover {
    box-shadow: inset 0 -3px;
}
main a {
    color: var(--accent-color);
    font-weight: 600;
}
/* a.sponsorship-email {
	color: #ffb347;
} */

a:hover img {
    transform: translateY(-2px);
    filter: drop-shadow(0 5px 2px rgba(0, 0, 0, 0.2));
}

h1 {
    font-size: 3rem;
    line-height: 1.1;
    text-transform: uppercase;
}

input {
    background: none;
    border: none;
    font: inherit;
}
input:focus {
    outline: none;
}
input[type='email'] {
    border-bottom: var(--accent-color) 2px solid;
    margin: 1rem 0;
    font-size: 0.9rem;
    transition: 0.2s;
    padding: 0.5rem 0;
    width: 100%;
}
input[type='email']:hover {
    border-bottom: var(--accent-hover-color) 2px solid;
}

input[type='submit'] {
    font-size: 0.8rem;
    max-width: 200px;
    padding: 0.5rem 1rem;
    background-color: var(--accent-color);
    color: white;
    cursor: pointer;
    transition: 0.2s;
}
input[type='submit']:hover {
    background-color: var(--accent-hover-color);
}

table {
    border-collapse: collapse;
    border-radius: 0.25rem;
    overflow: hidden;
    margin: auto;
    margin-top: 0.75rem;
    text-align: left;
    max-width: 100%;
    font-size: 0.9em;
}
tr > * {
    padding: 0.3rem 0.5rem;
}
tr th {
    background-color: rgba(0, 60, 120, 0.08);
}
tr:nth-of-type(even) td {
    background-color: rgba(0, 60, 120, 0.01);
}
tr:nth-of-type(odd) td {
    background-color: rgba(0, 60, 120, 0.03);
}
tr > :first-child {
    text-align: right;
    white-space: nowrap;
}

nav,
nav ul,
nav ul li {
    display: flex;
}
nav {
    background-image: linear-gradient(
        to right,
        rgba(255, 255, 255, 0),
        var(--nav-background-color) var(--side-padding),
        var(--nav-background-color) calc(100vw - var(--side-padding)),
        rgba(255, 255, 255, 0)
    );
    box-shadow: 0 0 0.5rem rgba(0, 0, 0, 0.1);

    position: fixed;
    top: 0;
    width: 100vw;
    height: var(--nav-height);
    padding: 0 var(--side-padding);

    z-index: 1;
}
nav ul {
    padding: 0;
    align-items: center;
}
nav #logo {
    background: url('../images/Los-Altos-Hacks-Logo.svg') 1rem / auto 65%
        no-repeat;
    min-width: 5rem;
    height: 100%;
    margin-right: auto;
}
nav ul li a {
    color: inherit;
    padding: 0 1rem;
    line-height: var(--nav-height);
}

section {
    padding: 2.5rem 2rem;
    display: flex;
    justify-content: center;
    align-content: center;
    justify-items: center;
    align-items: center;
    background-color: rgba(255, 255, 255, 0.95);
    position: relative;
}
section:nth-child(even) {
    background-color: rgba(250, 253, 255, 0.9);
}

footer {
    align-items: center;
    padding: 2rem 2rem;
    background-color: #22303d;
    color: white;
    position: relative;
}

hr {
    border: 0;
    clear: both;
    display: block;
    width: 40%;
    background-color: #e3e7ed;
    height: 2px;
    margin: 3.5rem auto;
    margin-bottom: 2rem;
}

.row {
    flex-wrap: wrap;
    flex-direction: row;
    align-items: center;
    max-width: var(--site-width);
    width: 100%;
}
.row > * {
    max-width: 100%;
}
.row > :not(:only-child) {
    padding: 1rem;
}
.row.columns-half > * {
    flex: 1 320px;
}
.row.columns-medium > * {
    flex: 1 calc(240px + 7 * var(--vw));
}
.row.columns-small > * {
    flex: 1 1 calc(130px + 10 * var(--vw));
    max-width: calc((130px + 10 * var(--vw)) * 1.352);
}
.row.columns-tiny > * {
    flex: 1 calc(90px + 8 * var(--vw));
    max-width: calc((90px + 8 * var(--vw)) * 1.25);
}
.row.columns-tinier > * {
    flex: 1 calc(80px + 5 * var(--vw));
    padding: 0.5rem;
    max-width: calc((80px + 5 * var(--vw)) * 1.5);
}
.row > * > * + * {
    margin-top: 1rem;
}

#top {
    display: grid;
    grid-template-areas:
        'logo details'
        'top-main top-main';
    grid-template-columns: 40% auto;
    grid-gap: 1rem;
    text-align: left;
    background: radial-gradient(white, #67b7e1);
    padding-top: 3rem;
    padding-bottom: 3rem;
    min-height: 100vh;
}
@media (max-width: 717px) {
    #top {
        grid-template-areas:
            'logo'
            'details'
            'top-main';
        grid-template-columns: auto;
        text-align: center;
    }
}
@media (max-width: 469px) {
    #top-main h2 {
        width: 100%;
    }
}

#top-canvas {
    position: absolute;
    overflow: hidden;
    mix-blend-mode: overlay;
    mix-blend-mode: color-burn;
    pointer-events: none;
    /*opacity: 0.75;*/
    backface-visibility: hidden;
    z-index: 0;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
}

.gradient-text {
    background: -webkit-linear-gradient(40deg, #106eb8, #a0d2f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: rgba(82, 190, 230, 0.5) 1px 1px 0.1em;
}

#teaser-animation-wrapper {
    grid-area: logo;
    width: 60 * var(--vw);
    max-width: 100%;
}
#teaser-animation {
    /* mix-blend-mode: multiply; */
    transition: 0.3s;
    max-height: 10rem;
}
#teaser-animation:not(:hover) {
    z-index: 1;
}
#teaser-animation:hover {
    filter: saturate(1.1) drop-shadow(currentColor 1px 1px 10px);
    color: rgb(204, 236, 247);
    transform: scale(1.001);
    animation: Pop 0.3s;
}
@keyframes Pop {
    from,
    to {
        transform: none;
    }
    20% {
        transform: scale(1.1);
    }
}

#top-text {
    grid-area: details;
    display: grid;
}
#top-text .date {
    margin-top: 0.5rem;
}
#top-text .venue {
    margin-top: 0.5rem;
    line-height: 1;
}
#top-text .address {
    font-size: 0.7em;
}
#top-text a {
    font-weight: normal;
}

/*#email-signup {
	background-color: rgba(255, 255, 255, 0.9);
	box-shadow: 0px 5px 14px 0px rgba(69,69,69,0.25);
	border-radius: 0.25rem;
	padding: 2rem;
	width: 100%;
	max-width: 700px;
	margin: 2rem auto 0;
}*/

#top-main {
    grid-area: top-main;
}
.button,
.row > .button {
    display: flex;
    line-height: 1;
    color: white;
    margin: 0.4rem;
    transform: skew(-15deg);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.65em 1em;
}
.button.blue {
    background-color: var(--blue);
}
.button.darkblue {
    background-color: var(--darkblue);
}
.button:hover {
    opacity: 0.5;
}
.button span {
    display: inline-block;
    transform: skew(15deg);
}

#countdown,
#countdown-label {
    font-variant: small-caps;
    color: darkslategray;
}

#about {
    text-align: left;
}

.faq-wrapper {
    font-size: 0.75em;
    line-height: 1.65;
    align-items: start;
    text-align: left;
}
.faq-wrapper > * {
    padding: 0 0.5rem;
}

summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    outline: none;
    cursor: pointer;
    transition: 0.3s;
}
summary:hover {
    color: var(--blue);
}
summary::-webkit-details-marker {
    display: none;
}
summary:after {
    content: '';
    display: table;
    border: solid;
    border-width: 0 0.2em 0.2em 0;
    font-size: 0.66em;
    width: 1em;
    height: 1em;
    transform: translateX(-0.3536em) rotate(-45deg);
    transition: transform 0.3s;
}
details[open] > summary:after {
    transform: translateY(-0.3536em) rotate(45deg);
}
details > summary + * {
    animation: DetailsOpen 0.5s linear;
}
details[open] > summary + * {
    margin-top: 0.5em;
    max-height: 100vh;
    animation-direction: reverse;
}
@keyframes DetailsOpen {
    from {
        overflow: hidden;
        max-height: 100vh;
    }
    to {
        overflow: hidden;
        max-height: 0;
        opacity: 0;
    }
}

#schedule h3 {
    margin-top: 1.75rem;
}
#schedule table {
    width: 100%;
}
#schedule * + p {
    font-size: 0.85em;
}

#team .team-wrapper {
    font-size: 0.9em;
    align-items: start;
}
#team figure,
#judges figure {
    margin: 0;
    padding: 0.75rem;
    max-width: 225px;
}
figure img {
    border-radius: 50%;
    transition: 0.3s;
    max-height: 230px;
    -webkit-box-shadow: 0px 3px 13px 0px rgba(0, 0, 0, 0.15);
    -moz-box-shadow: 0px 3px 13px 0px rgba(0, 0, 0, 0.15);
    box-shadow: 0px 3px 13px 0px rgba(0, 0, 0, 0.15);
}
figure:hover img {
    transform: scale(1.1);
}
.row figure h4 {
    margin: 0 -3em;
    margin-top: 0.75em;
}
.row figure figcaption {
    font-size: 0.8em;
    margin-top: 0.25em;
}

.judges-wrapper {
    font-size: 0.85em;
    align-items: start;
}
.judges-wrapper figure figcaption:nth-of-type(2) {
    font-weight: bold;
    font-size: 0.7em;
}

#partners img {
    max-height: calc(40px + 6 * var(--vw));
}
#sponsors img {
    max-height: calc(20px + 6 * var(--vw));
}
#food img {
    max-height: calc(60px + 6 * var(--vw));
}
#past-years img {
    box-shadow: 0px 5px 14px 0px rgba(69, 69, 69, 0.25);
}

.social-media a {
    background: radial-gradient(
        rgba(255, 255, 255, 0.9),
        rgba(255, 255, 255, 0.9) 50%,
        transparent 50%,
        transparent
    );
    border-radius: 50%;
    display: inline-flex;
}
.social-media a:hover {
    filter: drop-shadow(0 0 6px) drop-shadow(#fff 0 0 1px);
}

::selection {
    background: #2980b9;
    background: transparent;
    text-shadow: #3498db 0 0 19px;
    color: #02a2dd;
    -webkit-text-fill-color: #02a2dd;
}
::-moz-selection {
    background: #2980b9;
    background: transparent;
    text-shadow: #3498db 0 0 19px;
    color: #02a2dd;
}

/* Workaround for "disappearing Typeform" bug */
/* See https://codepen.io/darrylyeo/pen/gvONMG */
iframe {
    -webkit-transform: none !important;
    transform: none !important;
}