/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Merriweather:ital,wght@0,300;0,400;0,700;1,400&family=Outfit:wght@300;400;600;800&display=swap');

/* Base Styles */
body {
    font-family: 'Outfit', sans-serif;
}

h1,
h2,
h3,
h4,
.serif-font {
    font-family: 'Merriweather', serif;
}

/* Utility Classes */
.ambient-bg {
    background:
        radial-gradient(circle at 10% 10%, rgba(37, 99, 235, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 90% 90%, rgba(124, 58, 237, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(15, 23, 42, 1) 0%, transparent 100%);
}

.text-shadow-strong {
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.9), 0 0 10px rgba(0, 0, 0, 0.5);
}

.text-glow {
    text-shadow: 0 0 20px rgba(59, 130, 246, 0.5);
}

.hero-bg {
    /* Philadelphia Skyline Image */
    background: linear-gradient(rgba(15, 23, 42, 0.7), rgba(15, 23, 42, 0.6)), url('../assets/philly-skyline-custom.jpg');
    background-size: cover;
    background-position: center;
}

/* Print Styles */
@media print {
    body {
        background: none !important;
        display: block !important;
        padding: 0 !important;
        margin: 0 !important;
    }

    .page {
        margin: 0 !important;
        box-shadow: none !important;
        page-break-after: always;
        width: 100% !important;
        height: 100% !important;
        break-inside: avoid;
    }

    .no-print {
        display: none !important;
    }
}

/* Booklet Page Layout */
.page {
    width: 816px;
    /* 8.5in at 96dpi */
    height: 1056px;
    /* 11in at 96dpi */
    position: relative;
    overflow: hidden;
    background-color: white;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    flex-shrink: 0;
    margin: 0 auto;
}

.page.cover {
    background-color: #0f172a;
    color: #f8fafc;
}

.page-number {
    position: absolute;
    bottom: 1.5rem;
    left: 0;
    right: 0;
    text-align: center;
    font-size: 0.875rem;
    color: #94a3b8;
    font-family: 'Merriweather', serif;
    font-style: italic;
}

/* Abstract/Bio Styling */
.speaker-content p {
    margin-bottom: 1rem;
    line-height: 1.6;
}

/* Poster Styles */
.glass-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Animations */
@keyframes fadeInUp {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }

    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.8s ease-out forwards;
}

@keyframes pulseGlow {

    0%,
    100% {
        opacity: 0.4;
    }

    50% {
        opacity: 0.8;
    }
}

.animate-pulse-glow {
    animation: pulseGlow 2s infinite;
}

@keyframes shimmer {
    0% {
        background-position: -200% center;
    }

    100% {
        background-position: 200% center;
    }
}

.animate-shimmer {
    animation: shimmer 2.5s linear infinite;
}