/* Slide 1 - Title Slide Specific Styles */

/* Gradient background */
.slide-title {
    background: linear-gradient(135deg, #2d1b69 0%, #0f3460 50%, #16213e 100%);
    overflow: hidden;
}

/* Network pattern overlay */
.network-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.1;
    background-image: 
        radial-gradient(circle at 20% 50%, white 1px, transparent 1px),
        radial-gradient(circle at 80% 80%, white 1px, transparent 1px),
        radial-gradient(circle at 40% 80%, white 1px, transparent 1px),
        radial-gradient(circle at 80% 20%, white 1px, transparent 1px);
    background-size: 200px 200px;
    animation: networkMove 20s linear infinite;
}

/* Network pattern connecting lines */
.network-pattern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(120deg, transparent 49%, rgba(255,255,255,0.1) 49%, rgba(255,255,255,0.1) 51%, transparent 51%),
        linear-gradient(60deg, transparent 49%, rgba(255,255,255,0.1) 49%, rgba(255,255,255,0.1) 51%, transparent 51%);
    background-size: 200px 200px;
}

@keyframes networkMove {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(50px, 50px);
    }
}

/* Logo container styling */
.logo-container {
    margin-bottom: 40px;
    position: relative;
    z-index: 2;
}

.logo {
    display: inline-block;
    position: relative;
}

/* Glowing effect for logo */
.logo::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, transparent 70%);
    animation: logoGlow 3s ease-in-out infinite;
}

@keyframes logoGlow {
    0%, 100% {
        opacity: 0.5;
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.1);
    }
}

/* Content wrapper */
.content-wrapper {
    text-align: center;
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
}

/* Title styling */
.main-title {
    color: white;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    margin-bottom: 30px;
    background: linear-gradient(135deg, #ffffff 0%, #e0e0e0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Subtitle styling */
.subtitle {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 400;
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    margin-bottom: 60px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

/* Presenter info styling */
.presenter-info {
    margin-top: 60px;
}

.presenter-info p {
    margin-bottom: 10px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.1rem;
}

.presenter-name {
    font-weight: 600;
    font-size: 1.3rem !important;
}

.presenter-title {
    font-style: italic;
}

.presentation-date {
    color: rgba(255, 255, 255, 0.6);
    margin-top: 20px;
}

/* Floating particles */
.floating-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    background: radial-gradient(circle, rgba(255,255,255,0.8) 0%, rgba(255,255,255,0) 70%);
    border-radius: 50%;
    opacity: 0;
}

.particle-1 {
    width: 4px;
    height: 4px;
    left: 10%;
    animation: floatUp 15s infinite;
}

.particle-2 {
    width: 6px;
    height: 6px;
    left: 30%;
    animation: floatUp 20s infinite 2s;
}

.particle-3 {
    width: 3px;
    height: 3px;
    left: 55%;
    animation: floatUp 18s infinite 4s;
}

.particle-4 {
    width: 5px;
    height: 5px;
    left: 75%;
    animation: floatUp 22s infinite 1s;
}

.particle-5 {
    width: 4px;
    height: 4px;
    left: 90%;
    animation: floatUp 16s infinite 3s;
}

@keyframes floatUp {
    0% {
        opacity: 0;
        bottom: 0%;
        transform: translateX(0);
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        bottom: 100%;
        transform: translateX(100px);
    }
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .main-title {
        font-size: 2rem;
    }
    
    .subtitle {
        font-size: 1.3rem;
    }
    
    .presenter-info p {
        font-size: 1rem;
    }
    
    .logo svg {
        width: 80px;
        height: 80px;
    }
}