/* 
   Research Book Foundation - Modern Design System
   Color Palette: Deep Orange (#f97316), Slate (#1e293b), Pure White (#ffffff)
*/

:root {
    --primary-orange: #f97316;
    --primary-orange-hover: #ea580c;
    --deep-slate: #1e293b;
    --light-slate: #64748b;
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.3);
    --soft-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    --heavy-shadow: 0 20px 50px rgba(0, 0, 0, 0.12);
}

/* Glassmorphism Utilities */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
}

.glass-card-elevated {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    box-shadow: var(--heavy-shadow);
}

/* Modern Typography */
body {
    font-family: 'Roboto', sans-serif;
    color: var(--deep-slate);
}

h1, h2, h3, h4, .outfit-font {
    font-family: 'Outfit', sans-serif !important;
}

/* CTA Buttons */
.btn-premium {
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 700;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
}

.btn-premium-orange {
    background: var(--primary-orange);
    color: white;
    box-shadow: 0 4px 15px rgba(249, 115, 22, 0.3);
}

.btn-premium-orange:hover {
    background: var(--primary-orange-hover);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(249, 115, 22, 0.4);
    color: white;
}

.btn-premium-outline {
    background: transparent;
    border: 2px solid var(--primary-orange);
    color: var(--primary-orange);
}

.btn-premium-outline:hover {
    background: var(--primary-orange);
    color: white;
    transform: translateY(-3px);
}

/* Animated Statistics */
.stat-counter {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-orange);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--light-slate);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Card Hover Effects */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-8px);
    box-shadow: var(--heavy-shadow);
}