/* Color Variables */
:root {
    --primary: #4361ee;
    --secondary: #3f37c9;
    --success: #4cc9f0;
    --info: #4895ef;
    --warning: #f72585;
    --danger: #e63946;
    --light: #f8f9fa;
    --dark: #212529;
    --purple: #7209b7;
    --bg-gradient: linear-gradient(135deg, #4361ee 0%, #3a0ca3 100%);
}

/* Base Styles */
body {
    font-family: 'Segoe UI', system-ui, sans-serif;
    color: #333;
    line-height: 1.6;
    background-color: #f8fafc;
}

/* Typography */
.display-4 {
    font-weight: 800;
    letter-spacing: -0.5px;
    line-height: 1.2;
}

.section-title {
    font-weight: 700;
    position: relative;
    padding-bottom: 15px;
    margin-bottom: 30px;
}

.section-title:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--primary);
    border-radius: 2px;
}

.lead {
    font-weight: 400;
    color: #495057;
}

/* Header Styles */
.header-badge .badge {
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: var(--bg-gradient);
}

/* Card Styles */
.card-gradient {
    background: white;
    border: none;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    overflow: hidden;
    position: relative;
}

.card-gradient:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--bg-gradient);
}

.card-dark {
    background: linear-gradient(135deg, #1a1f36 0%, #0d1321 100%);
    border: none;
    border-radius: 12px;
    color: white;
    box-shadow: 0 15px 35px rgba(0,0,0,0.2);
}

/* Stat Cards */
.stat-card {
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-number {
    font-size: 2.5rem;
    line-height: 1;
    margin-bottom: 10px;
}

/* Callout Box */
.callout-box {
    background: #fff9db;
    border-left: 4px solid #ffd43b;
    padding: 15px 20px;
    border-radius: 0 8px 8px 0;
}

/* Vital Cards */
.vital-card {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.vital-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.vital-header {
    color: white;
    padding: 20px;
}

.vital-body {
    background: white;
    padding: 25px;
}

/* Strategy Cards */
.strategy-card {
    display: flex;
    gap: 20px;
    background: white;
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    height: 100%;
}

.strategy-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
}

/* Feature Cards */
.feature-card {
    display: flex;
    gap: 15px;
    background: white;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    height: 100%;
}

.feature-icon {
    width: 50px;
    height: 50px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    flex-shrink: 0;
}

/* List Styles */
.list-styled {
    list-style: none;
    padding-left: 0;
}

.list-styled li {
    padding: 8px 0;
    display: flex;
    align-items: flex-start;
}

.list-styled li:before {
    content: "•";
    color: var(--primary);
    font-weight: bold;
    display: inline-block;
    margin-right: 10px;
}

/* Progress Bars */
.progress {
    height: 8px;
    border-radius: 4px;
    background: #e9ecef;
}

/* ROI Cards */
.roi-card {
    background: white;
    border-radius: 12px;
    padding: 30px 20px;
    text-align: center;
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    height: 100%;
}

.roi-card:hover {
    transform: translateY(-5px);
}

.roi-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.75rem;
}

/* Contact Info */
.contact-info {
    display: flex;
    align-items: center;
    gap: 15px;
    background: rgba(255,255,255,0.1);
    padding: 15px;
    border-radius: 10px;
}

.contact-info i {
    font-size: 1.5rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.15);
}

/* Buttons */
.btn-primary {
    background: var(--bg-gradient);
    border: none;
    font-weight: 600;
    padding: 12px 30px;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #3a0ca3 0%, #4361ee 100%);
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .strategy-card,
    .feature-card {
        flex-direction: column;
    }
}