/* CSS Variables - Berkeley XR Colors */
:root {
    --white: #f5f5f5;
    --blue: #a0ffe3;
    --red: #ff2a6d;
    --yellow: #e0ff4f;
    --purple: #f887ff;
    --grey: hsla(0,0%,96%,.5);
    --purple-transparent-light: rgba(248,135,255,.13);
    --purple-transparent: rgba(248,135,255,.39);
    --yellow-transparent-light: rgba(224,255,79,.07);
    --yellow-transparent: rgba(224,255,79,.17);
    --blue-transparent: rgba(160,255,227,.13);
    --red-transparent: rgba(255,42,109,.19);
}

/* Fonts */
@font-face {
    font-family: SpaceMono;
    font-style: normal;
    font-weight: 400;
    src: local("SpaceMono"), url("https://fonts.gstatic.com/s/spacemono/v6/i7dPIFZifjKcF5UAWdDRYEF8RQ.woff2") format("woff2");
}

@font-face {
    font-family: HYShortSamul;
    font-style: normal;
    font-weight: 400;
    src: local("HYShortSamul"), url("https://fonts.gstatic.com/s/spacemono/v6/i7dPIFZifjKcF5UAWdDRYEF8RQ.woff2") format("woff2");
}

/* Reset and Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: #222035;
    color: var(--white);
    font-family: SpaceMono, monospace;
    overflow-x: hidden;
}

h1 {
    font-size: 32px;
    color: var(--white);
    font-family: HYShortSamul, sans-serif;
    font-weight: 400;
    letter-spacing: 3.24px;
    margin: 0;
}

h2 {
    font-size: 28px;
    color: var(--white);
    font-family: HYShortSamul, sans-serif;
    font-weight: 400;
    letter-spacing: 3.24px;
    margin: 0 0 -0.4em;
}

p {
    color: var(--white);
    font-family: SpaceMono, monospace;
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 1.6px;
    margin: 0;
}

a {
    color: unset;
    text-decoration: none;
}

/* Geometric Background Elements */
.rectangle {
    border: 1px solid var(--blue);
    bottom: 1rem;
    left: 1rem;
    position: absolute;
    right: 1rem;
    top: 1rem;
}

.horizontal {
    border-top: 1px solid var(--blue);
    height: 0;
    left: 0;
    position: absolute;
    right: 0;
}

.vertical {
    border-left: 1px solid var(--blue);
    bottom: 0;
    position: absolute;
    top: 0;
    width: 0;
}

.framing {
    background-color: var(--blue);
    height: 12em;
    position: absolute;
    width: 0.5em;
}

.framingHorizontal {
    background-color: var(--blue);
    height: 1.3em;
    position: absolute;
    width: 4em;
}

.barcodeWrapper {
    bottom: 1.5rem;
    display: flex;
    gap: 0.4em;
    position: absolute;
    right: 7rem;
}

.barcode {
    background-color: var(--blue);
    height: 2rem;
    width: 0.4rem;
}

.slashes {
    color: var(--blue);
    font-family: HYShortSamul, sans-serif;
    font-size: 5rem;
    letter-spacing: 0.115em;
    opacity: 23%;
    position: absolute;
}

.pluses {
    color: var(--blue);
    font-family: SpaceMono, monospace;
    font-size: 5rem;
    left: 5rem;
    letter-spacing: 0.09em;
    opacity: 23%;
    position: absolute;
    top: 2.5rem;
}

.squares {
    background-color: var(--blue);
    height: 0.8em;
    position: absolute;
    width: 0.8em;
}

/* Main Content */
.mainWrapper {
    left: 50%;
    position: absolute;
    top: 50%;
    transform: translate(-50%, -35%);
    align-items: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.mainWrapper span {
    align-items: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.logo-container {
    position: relative;
    z-index: 10;
}

.logo {
    filter: drop-shadow(-8px -4px var(--blue)) drop-shadow(8px 4px var(--red));
    height: 7rem;
    width: 7rem;
    font-size: 3.5rem;
    font-weight: bold;
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: HYShortSamul, sans-serif;
    position: relative;
    z-index: 10;
    letter-spacing: -2px;
}

.mainWrapper h1 {
    margin-top: 8px;
    text-shadow: 2px 1px var(--red), -2px -1px var(--blue);
    position: relative;
    z-index: 10;
}

.tag {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 2rem;
    z-index: 999;
    position: relative;
}

.tagline-text {
    margin-bottom: 1.5rem;
    font-size: 16px;
}

.enter-section {
    margin-top: 0.5rem;
}

.redUnderline {
    border-bottom: 2px solid var(--red);
    color: var(--red) !important;
    margin-left: -4px;
    padding: 0 4px 2px;
    width: fit-content;
    cursor: pointer;
    transition: all 0.3s ease;
}

.redUnderline:hover {
    background-color: var(--yellow-transparent-light);
    box-shadow: 0 0 0 2px var(--yellow);
}

/* Triangles - Fixed animation */
.triangle {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.triangle img {
    position: absolute;
    left: 50%;
    top: 0;
    width: 300px;
    height: 300px;
    transform: translate(-50%, -32%) rotate(0deg);
    animation: rotation 6s linear infinite;
}

.triangleRed img {
    width: 300px;
    height: 300px;
    transform: translate(-50%, -32%) rotate(0deg);
    animation: rotation 6s linear infinite;
}

@keyframes rotation {
    0% { transform: translate(-50%, -32%) rotate(0deg); }
    100% { transform: translate(-50%, -32%) rotate(360deg); }
}

/* Main Site Styles */
.main-site {
    background: #1a1a2e;
    min-height: 100vh;
    opacity: 0;
    transition: opacity 1s ease-in;
}

.main-site.show {
    opacity: 1;
}

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
    z-index: 100;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(0, 255, 255, 0.2);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 2rem;
    font-weight: bold;
    letter-spacing: -2px;
}

.yccc-text {
    color: var(--blue);
    text-shadow: 0 0 10px var(--blue);
}

.vr-text {
    color: var(--purple);
    text-shadow: 0 0 10px var(--purple);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--blue);
    font-family: HYShortSamul, sans-serif;
    font-size: 20px;
    font-weight: 400;
    letter-spacing: 1.8px;
    padding: 4px 1.5em 0;
    transition: 0.1s linear;
    border: 1px solid transparent;
}

.nav-link:hover {
    background: linear-gradient(to right, var(--white) 1px, transparent 1px) 0 0,
                linear-gradient(to right, var(--white) 1px, transparent 1px) 0 100%,
                linear-gradient(to left, var(--white) 1px, transparent 1px) 100% 0,
                linear-gradient(to left, var(--white) 1px, transparent 1px) 100% 100%,
                linear-gradient(to bottom, var(--white) 1px, transparent 1px) 0 0,
                linear-gradient(to bottom, var(--white) 1px, transparent 1px) 100% 0,
                linear-gradient(to top, var(--white) 1px, transparent 1px) 0 100%,
                linear-gradient(to top, var(--white) 1px, transparent 1px) 100% 100%;
    background-repeat: no-repeat;
    background-size: 8px 8px;
}

/* Content Sections */
.main-content {
    margin-top: 80px;
    padding: 2rem 0;
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.hero-section {
    padding: 4rem 0;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    gap: 4rem;
    align-items: center;
}

.hero-text {
    flex: 2;
}

.hero-text h1 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
}

.hero-text p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.hero-image {
    flex: 1;
    text-align: center;
}

.headset-container {
    position: relative;
    margin-bottom: 2rem;
}

.headset-placeholder {
    background: linear-gradient(135deg, var(--purple-transparent), var(--blue-transparent));
    border: 2px solid var(--blue);
    border-radius: 15px;
    padding: 3rem 2rem;
    text-align: center;
}

.headset-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.headset-placeholder p {
    color: var(--blue);
    font-weight: bold;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Buttons */
.btn {
    background-color: var(--purple-transparent-light);
    border: 1px solid var(--purple);
    color: var(--purple);
    font-family: HYShortSamul, sans-serif;
    font-size: 20px;
    font-weight: 400;
    letter-spacing: 1.8px;
    padding: 9px 16px 3px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn:hover {
    background: linear-gradient(to right, var(--purple) 1px, transparent 1px) 0 0,
                linear-gradient(to right, var(--purple) 1px, transparent 1px) 0 100%,
                linear-gradient(to left, var(--purple) 1px, transparent 1px) 100% 0,
                linear-gradient(to left, var(--purple) 1px, transparent 1px) 100% 100%,
                linear-gradient(to bottom, var(--purple) 1px, transparent 1px) 0 0,
                linear-gradient(to bottom, var(--purple) 1px, transparent 1px) 100% 0,
                linear-gradient(to top, var(--purple) 1px, transparent 1px) 0 100%,
                linear-gradient(to top, var(--purple) 1px, transparent 1px) 100% 100%;
    background-repeat: no-repeat;
    background-size: 10px 10px;
    padding: 12px 4px 7px;
}

.btn-primary {
    background-color: var(--red-transparent);
    border-color: var(--red);
    color: var(--red);
}

.btn-secondary {
    background-color: var(--yellow-transparent-light);
    border-color: var(--yellow);
    color: var(--yellow);
}

.btn-outline {
    background-color: var(--blue-transparent);
    border-color: var(--blue);
    color: var(--blue);
}

.btn-calendar {
    background-color: var(--yellow-transparent);
    border-color: var(--yellow);
    color: var(--yellow);
}

.btn-ar {
    background-color: var(--purple-transparent);
    border-color: var(--purple);
    color: var(--purple);
}

.button-group {
    display: flex;
    gap: 1rem;
    margin: 2rem 0;
    flex-wrap: wrap;
}

/* Events Section */
.events-section {
    padding: 4rem 0;
    background: linear-gradient(to right, var(--yellow) 1px, transparent 1px) 0 0,
                linear-gradient(to left, var(--yellow) 1px, transparent 1px) 100% 100%,
                linear-gradient(to bottom, var(--yellow) 1px, transparent 1px) 0 0,
                linear-gradient(to top, var(--yellow) 1px, transparent 1px) 100% 100%;
    background-repeat: no-repeat;
    background-size: 100px 100px;
    margin: 2rem 0;
    padding: 2rem;
}

.status-open {
    color: var(--yellow);
    font-weight: bold;
    text-shadow: 0 0 5px var(--yellow);
}

.event-list {
    list-style: none;
    margin: 1.5rem 0;
}

.event-list li {
    margin-bottom: 0.5rem;
}

/* AR Section */
.ar-section {
    padding: 4rem 0;
    background: linear-gradient(to right, var(--purple) 1px, transparent 1px) 0 0,
                linear-gradient(to left, var(--purple) 1px, transparent 1px) 100% 100%,
                linear-gradient(to bottom, var(--purple) 1px, transparent 1px) 0 0,
                linear-gradient(to top, var(--purple) 1px, transparent 1px) 100% 100%;
    background-repeat: no-repeat;
    background-size: 100px 100px;
    margin: 2rem 0;
    padding: 2rem;
}

.ar-controls {
    display: flex;
    gap: 1rem;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.camera-container {
    position: relative;
    margin: 2rem 0;
    text-align: center;
}

#camera-video {
    max-width: 100%;
    border-radius: 10px;
    border: 2px solid var(--purple);
}

#ar-overlay {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 10px;
    pointer-events: none;
}

.ar-status {
    margin-top: 1rem;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.7);
    border-radius: 10px;
    border: 1px solid var(--blue);
    color: var(--blue);
}

.ar-instructions {
    margin-top: 2rem;
    background: rgba(0, 0, 0, 0.3);
    padding: 1.5rem;
    border-radius: 10px;
    border: 1px solid var(--purple-transparent);
}

.ar-instructions h3 {
    color: var(--purple);
    margin-bottom: 1rem;
    font-family: HYShortSamul, sans-serif;
}

.ar-instructions ul {
    list-style: none;
    padding-left: 1rem;
}

.ar-instructions li {
    margin-bottom: 0.5rem;
    position: relative;
}

.ar-instructions li::before {
    content: "→";
    color: var(--purple);
    position: absolute;
    left: -1rem;
}

/* Lab Section */
.lab-section {
    padding: 4rem 0;
}

.lab-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.lab-card {
    background: linear-gradient(to right, var(--blue) 1px, transparent 1px) 0 0,
                linear-gradient(to left, var(--blue) 1px, transparent 1px) 100% 100%,
                linear-gradient(to bottom, var(--blue) 1px, transparent 1px) 0 0,
                linear-gradient(to top, var(--blue) 1px, transparent 1px) 100% 100%;
    background-repeat: no-repeat;
    background-size: 12% 12%;
    padding: 2rem;
    border: 1px solid var(--blue-transparent);
}

.lab-card h3 {
    color: var(--blue);
    margin-bottom: 1rem;
    font-family: HYShortSamul, sans-serif;
}

/* About Section */
.about-section {
    padding: 4rem 0;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    background: rgba(0, 0, 0, 0.3);
    padding: 2rem;
    border-radius: 10px;
    border: 1px solid var(--blue-transparent);
}

.feature-item h3 {
    color: var(--blue);
    margin-bottom: 1rem;
    font-family: HYShortSamul, sans-serif;
}

/* Contact Section */
.contact-section {
    padding: 3rem 0;
}

.contact-link {
    color: var(--blue);
    border-bottom: 2px solid var(--blue);
    padding-bottom: 2px;
    transition: all 0.3s ease;
}

.contact-link:hover {
    color: var(--purple);
    border-bottom-color: var(--purple);
    text-shadow: 0 0 5px var(--purple);
}

/* Responsive Design */
@media (max-width: 900px) {
    .tag {
        align-items: center;
        flex-direction: column;
        gap: 0.5em;
    }
    
    .mainWrapper h1 {
        text-align: center;
    }
    
    .hero-container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-text h1 {
        font-size: 2rem;
    }
    
    .nav-menu {
        gap: 1rem;
    }
    
    .button-group {
        flex-direction: column;
    }
    
    .section-container {
        padding: 0 1rem;
    }
    
    .triangle img {
        width: 250px;
        height: 250px;
    }
    
    .triangleRed img {
        width: 250px;
        height: 250px;
    }
}