/* BSides South Jersey - Vintage Terminal Theme */
/* Import retro fonts */
@import url('https://fonts.googleapis.com/css2?family=VT323&family=Courier+Prime:wght@400;700&display=swap');

/* Root variables for consistent theming */
:root {
    --terminal-green: #00DD00;
    --terminal-bg: #000000;
    --terminal-light-green: #44FF44;
    --terminal-dim-green: #00BB00;
    --terminal-border: #00DD00;
    --scanline-color: rgba(0, 221, 0, 0.1);
}

/* Global reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--terminal-bg);
    color: var(--terminal-green);
    font-family: 'VT323', 'Courier Prime', 'Courier New', monospace;
    font-size: 18px;
    line-height: 1.4;
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

/* CRT Monitor effect with scanlines - Safari iOS compatible */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        transparent 50%, 
        var(--scanline-color) 50%
    );
    background-size: 100% 4px;
    pointer-events: none;
    z-index: 1000;
    animation: scanlines 0.1s linear infinite;
    /* Safari iOS specific fixes */
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    will-change: transform;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

/* Scanline animation - Safari iOS compatible */
@keyframes scanlines {
    0% { 
        transform: translateY(0); 
        -webkit-transform: translateY(0);
    }
    100% { 
        transform: translateY(4px); 
        -webkit-transform: translateY(4px);
    }
}

/* CRT flicker effect - Safari iOS compatible */
@keyframes flicker {
    0%, 98% { 
        opacity: 1; 
    }
    99% { 
        opacity: 0.98; 
    }
    100% { 
        opacity: 1; 
    }
}

/* Container for terminal window - Safari iOS compatible */
.terminal-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    animation: flicker 3s infinite;
    width: 100%;
    box-sizing: border-box;
    /* Safari iOS performance optimizations */
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    will-change: opacity;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

/* Terminal window styling */
.terminal-window {
    border: 2px solid var(--terminal-border);
    border-radius: 8px;
    padding: 20px;
    margin: 20px 0;
    background-color: var(--terminal-bg);
    box-shadow: 
        0 0 20px var(--terminal-green),
        inset 0 0 20px rgba(0, 255, 0, 0.1);
    position: relative;
}

/* Terminal window header */
.terminal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--terminal-dim-green);
}

.terminal-title {
    font-size: 24px;
    font-weight: bold;
    color: var(--terminal-light-green);
    text-shadow: 0 0 10px var(--terminal-green);
}

.terminal-title-link {
    color: inherit;
    text-decoration: none;
}

.terminal-title-link:hover {
    color: var(--terminal-green);
    text-shadow: 0 0 10px var(--terminal-green);
}

.terminal-title::after {
    content: '█';
    color: var(--terminal-green);
    animation: blink 1s infinite;
    margin-left: 5px;
}

.terminal-time-display {
    font-family: 'VT323', 'Courier New', monospace;
    font-size: 16px;
    color: var(--terminal-green);
    text-shadow: 0 0 5px var(--terminal-green);
}

.current-time {
    font-weight: bold;
}

/* Navigation menu styling */
.nav-menu {
    display: flex;
    gap: 20px;
    margin: 20px 0;
    flex-wrap: wrap;
}

.nav-link {
    color: var(--terminal-green);
    text-decoration: none;
    padding: 8px 16px;
    border: 1px solid var(--terminal-green);
    border-radius: 4px;
    transition: all 0.3s ease;
    background-color: transparent;
    font-family: inherit;
    font-size: 16px;
    display: block;
    text-align: center;
    min-height: 44px;
    line-height: 1.5;
    touch-action: manipulation;
}

.nav-link:hover,
.nav-link.active {
    background-color: var(--terminal-green);
    color: var(--terminal-bg);
    box-shadow: 0 0 15px var(--terminal-green);
    text-shadow: none;
}

/* Typography styles */
h1 {
    font-size: 36px;
    margin: 20px 0;
    text-align: center;
    text-shadow: 0 0 20px var(--terminal-green);
    font-weight: normal;
}

h2 {
    font-size: 28px;
    margin: 20px 0 15px 0;
    color: var(--terminal-light-green);
    text-shadow: 0 0 10px var(--terminal-green);
    font-weight: normal;
}

h3 {
    font-size: 22px;
    margin: 15px 0 10px 0;
    color: var(--terminal-light-green);
    font-weight: normal;
}

p {
    margin: 10px 0;
    line-height: 1.6;
}

/* SVG Logo Banner */
.svg-banner {
    text-align: center;
    margin: 30px 0;
    padding: 10px;
}

/* Logo container for flexible layout */
.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

/* User logo styling - Safari iOS compatible */
.user-logo {
    max-width: 100%;
    height: auto;
    width: 324px;
    max-height: 324px;
    object-fit: contain;
    /* Safari iOS compatible filters */
    -webkit-filter: brightness(1.3) contrast(1.2) saturate(1.4) hue-rotate(5deg);
    filter: brightness(1.3) contrast(1.2) saturate(1.4) hue-rotate(5deg);
    -webkit-transition: filter 0.3s ease, -webkit-filter 0.3s ease;
    transition: filter 0.3s ease, -webkit-filter 0.3s ease;
    /* Hardware acceleration for smooth playback */
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    will-change: filter;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    /* Mobile interaction enhancements */
    cursor: default;
    -webkit-tap-highlight-color: rgba(0, 255, 0, 0.3);
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* User logo hover effect for enhanced green pop - Safari iOS compatible */
.user-logo:hover {
    -webkit-filter: brightness(1.4) contrast(1.3) saturate(1.5) hue-rotate(5deg);
    filter: brightness(1.4) contrast(1.3) saturate(1.5) hue-rotate(5deg);
}

.logo-svg {
    max-width: 100%;
    height: auto;
    width: 400px;
    max-height: 350px;
    /* Removed haze effect: filter: drop-shadow(0 0 8px var(--terminal-green)); */
    /* Removed transition: transition: filter 0.3s ease; */
}

/* Removed hover glow effect */
/* .logo-svg:hover {
    filter: drop-shadow(0 0 12px var(--terminal-green)) drop-shadow(0 0 20px var(--terminal-green));
} */



/* Mobile text banner - hidden on desktop, shown on mobile */
.mobile-banner {
    display: none;
    text-align: center;
    margin: 30px 0;
    padding: 20px;
    border: 2px solid var(--terminal-green);
    border-radius: 8px;
    background: rgba(0, 255, 0, 0.05);
}

.mobile-title {
    font-family: 'VT323', 'Courier New', monospace;
    font-size: 32px;
    color: var(--terminal-green);
    margin: 0 0 10px 0;
    text-shadow: 0 0 10px var(--terminal-green);
    letter-spacing: 2px;
}

.mobile-subtitle {
    font-family: 'VT323', 'Courier New', monospace;
    font-size: 18px;
    color: var(--terminal-light-green);
    margin: 0;
    letter-spacing: 1px;
}



/* Blinking cursor animation */
.cursor {
    display: inline-block;
    background-color: var(--terminal-green);
    width: 12px;
    height: 20px;
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* Content sections */
.content-section {
    margin: 30px 0;
    padding: 20px;
    border-left: 3px solid var(--terminal-green);
    background-color: rgba(0, 255, 0, 0.05);
}

/* Event info styling */
.event-info {
    text-align: center;
    margin: 30px 0;
    padding: 20px;
    border: 1px dashed var(--terminal-green);
}

.event-date {
    font-size: 24px;
    color: var(--terminal-light-green);
    margin: 10px 0;
}

.event-venue {
    font-size: 20px;
    margin: 10px 0;
}

/* Sponsor grid */
.sponsors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.sponsor-card {
    border: 1px solid var(--terminal-green);
    padding: 20px;
    background-color: rgba(0, 255, 0, 0.05);
    transition: all 0.3s ease;
}

.sponsor-card:hover {
    box-shadow: 0 0 15px var(--terminal-green);
    background-color: rgba(0, 255, 0, 0.1);
}

.sponsor-logo {
    width: 100%;
    max-width: 200px;
    height: 100px;
    background-color: var(--terminal-dim-green);
    border: 1px solid var(--terminal-green);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px auto;
    color: var(--terminal-bg);
    font-size: 16px;
    text-align: center;
}

/* Footer styling */
.footer {
    text-align: center;
    margin-top: 50px;
    padding: 20px;
    border-top: 1px solid var(--terminal-green);
    color: var(--terminal-dim-green);
}

/* Command prompt styling */
.command-prompt {
    margin: 20px 0;
    font-family: 'Courier New', monospace;
}

.prompt-line {
    margin: 5px 0;
}

.prompt-symbol {
    color: var(--terminal-light-green);
}

/* Link styling inside terminal prompt blocks (keep consistent green theme) */
.command-prompt a,
.command-prompt a:visited {
    color: var(--terminal-green);
    text-decoration: underline dotted; /* make it clearly clickable */
    text-underline-offset: 3px;
    cursor: pointer;
}
.command-prompt a:hover,
.command-prompt a:focus {
    color: var(--terminal-light-green);
    text-shadow: 0 0 8px var(--terminal-green);
    text-decoration-color: var(--terminal-light-green);
    outline: none;
}

/* Responsive design */
@media (max-width: 1024px) {
    .terminal-container {
        padding: 15px;
    }
    
    .sponsors-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    .terminal-container {
        padding: 10px;
    }
    
    .terminal-window {
        padding: 15px;
        margin: 10px 0;
        border-radius: 4px;
    }
    
    .terminal-header {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
    
    .terminal-title {
        font-size: 16px;
    }
    
    .terminal-time-display {
        font-size: 14px;
    }
    
    h1 {
        font-size: 28px;
    }
    
    h2 {
        font-size: 24px;
    }
    
    h3 {
        font-size: 20px;
    }
    
    .nav-menu {
        flex-direction: column;
        gap: 10px;
    }
    
    .nav-link {
        text-align: center;
        padding: 12px 16px;
        font-size: 18px;
    }
    
    .sponsors-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    /* SVG banner responsive sizing */
    .logo-container {
        flex-direction: column;
        gap: 15px;
    }
    
    .user-logo {
        width: 270px;
        max-height: 270px;
        order: -1; /* Place user logo above BSides logo on mobile */
        /* Safari iOS compatible filters */
        -webkit-filter: brightness(1.3) contrast(1.2) saturate(1.4) hue-rotate(5deg);
        filter: brightness(1.3) contrast(1.2) saturate(1.4) hue-rotate(5deg);
        /* Hardware acceleration for mobile Safari */
        -webkit-transform: translateZ(0);
        transform: translateZ(0);
        will-change: filter;
        backface-visibility: hidden;
        -webkit-backface-visibility: hidden;
        /* Enhanced mobile interaction */
        cursor: default;
        -webkit-tap-highlight-color: rgba(0, 255, 0, 0.3);
        -webkit-touch-callout: none;
        -webkit-user-select: none;
        -moz-user-select: none;
        -ms-user-select: none;
        user-select: none;
    }
    
    .logo-svg {
        width: 95%;
        max-width: 500px;
        height: auto;
    }
    
    .ascii-art {
        display: none; /* Hide ASCII art on mobile */
    }
    
    /* Show mobile text banner instead */
    .mobile-banner {
        display: block;
    }
    
    .mobile-title {
        font-size: 28px;
        margin: 0 0 8px 0;
    }
    
    .mobile-subtitle {
        font-size: 16px;
    }
    
    .event-date, .event-venue {
        font-size: 18px;
    }
    
    .content-section {
        padding: 15px;
        margin: 20px 0;
    }
}

@media (max-width: 480px) {
    body {
        font-size: 16px;
    }
    
    .terminal-container {
        padding: 8px;
    }
    
    .terminal-window {
        padding: 12px;
        margin: 8px 0;
    }
    
    .terminal-header {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
    
    .terminal-title {
        font-size: 14px;
    }
    
    .terminal-time-display {
        font-size: 12px;
    }
    
    h1 {
        font-size: 24px;
        margin: 15px 0;
    }
    
    h2 {
        font-size: 20px;
        margin: 15px 0 10px 0;
    }
    
    h3 {
        font-size: 18px;
        margin: 10px 0 8px 0;
    }
    
    /* SVG banner responsive sizing for very small screens */
    .logo-container {
        flex-direction: column;
        gap: 10px;
    }
    
    .user-logo {
        width: 216px;
        max-height: 216px;
        order: -1; /* Place user logo above BSides logo on mobile */
        /* Safari iOS compatible filters */
        -webkit-filter: brightness(1.3) contrast(1.2) saturate(1.4) hue-rotate(5deg);
        filter: brightness(1.3) contrast(1.2) saturate(1.4) hue-rotate(5deg);
        /* Hardware acceleration for very small screens */
        -webkit-transform: translateZ(0);
        transform: translateZ(0);
        will-change: filter;
        backface-visibility: hidden;
        -webkit-backface-visibility: hidden;
    }
    
    .logo-svg {
        width: 98%;
        max-width: 400px;
        height: auto;
    }
    
    .ascii-art {
        display: none; /* Hide ASCII art on mobile */
    }
    
    /* Show mobile text banner instead */
    .mobile-banner {
        display: block;
    }
    
    .mobile-title {
        font-size: 24px;
        margin: 0 0 6px 0;
    }
    
    .mobile-subtitle {
        font-size: 14px;
    }
    
    .nav-link {
        padding: 10px 12px;
        font-size: 16px;
    }
    
    .sponsor-card {
        padding: 15px;
    }
    
    .sponsor-logo {
        height: 80px;
        font-size: 14px;
    }
    
    .event-date, .event-venue {
        font-size: 16px;
    }
    
    .content-section {
        padding: 12px;
        margin: 15px 0;
    }
    
    /* Better text contrast on small screens */
    p, .prompt-line {
        line-height: 1.8;
    }
}

/* Safari iOS specific optimizations */
@supports (-webkit-touch-callout: none) {
    /* Target Safari on iOS specifically */
    .terminal-container {
        /* Reduce animation intensity on iOS Safari for better performance */
        animation: flicker 6s infinite;
    }
    
    body::before {
        /* Optimize scanlines for iOS Safari */
        animation: scanlines 0.2s linear infinite;
        opacity: 0.7;
    }
    
    .user-logo {
        /* Enhanced hardware acceleration for iOS Safari */
        -webkit-transform: translate3d(0, 0, 0);
        transform: translate3d(0, 0, 0);
        -webkit-perspective: 1000px;
        perspective: 1000px;
    }
}

/* Additional iOS Safari video optimizations */
@media screen and (-webkit-min-device-pixel-ratio: 2) {
    .user-logo {
        /* High DPI screen optimizations */
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Print styles */
@media print {
    body::before {
        display: none;
    }
    
    .terminal-window {
        box-shadow: none;
        border: 1px solid black;
    }
    
    * {
        color: black !important;
        background-color: white !important;
    }
}

/* =============================================
   Feature Flag: Splash-Only (Logo) Mode
   When the <html> element has class `splash-only` all
   site content except the primary logo banner is hidden.
   To disable, remove the class or set the flag script to false.
   ============================================= */
html.splash-only body { overflow: hidden; }
html.splash-only .terminal-header,
html.splash-only .nav-menu,
html.splash-only .content-section,
html.splash-only .event-info,
html.splash-only .footer,
html.splash-only .mobile-banner {
    display: none !important;
}
/* Keep only the logo container centered */
html.splash-only .terminal-window {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 70vh;
}
html.splash-only .svg-banner {
    margin: 0;
    padding: 40px 0;
}
html.splash-only .logo-container {
    flex-direction: column;
    gap: 30px;
}

/* Safari iOS Detection - Disable all problematic terminal effects */
@supports (-webkit-touch-callout: none) {
    /* This targets Safari on iOS specifically */
    
    /* Disable scanlines */
    body::before {
        display: none !important;
    }
    
    /* Disable flicker animation */
    .terminal-container {
        animation: none !important;
    }
}