/* Modern Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: #333333;
    background-color: #f8fafc;
    padding: 0;
}

/* Hero Header Section - Updated gradient to represent HTML & CSS colors */
.hero-header {
    background: linear-gradient(135deg, #e67e22, #2980b9);
    color: #ffffff;
    padding: 4rem 2rem;
    text-align: center;
}

.hero-header h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero-header p {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* Main Content Container */
.main-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 3rem 1.5rem;
}

/* Card layout for sections */
.info-card {
    margin-bottom: 3rem;
    background: #ffffff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

h2 {
    color: #2c3e50;
    margin-bottom: 1rem;
    border-bottom: 2px solid #ecf0f1;
    padding-bottom: 0.5rem;
}

p {
    margin-bottom: 1rem;
}

/* Timeline / History List */
.timeline {
    list-style: none;
    padding-left: 0;
}

.timeline-item {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
    border-left: 3px solid #2980b9;
}

.time-label {
    font-weight: bold;
    color: #2980b9;
    display: block;
    margin-bottom: 0.2rem;
}

/* Bulleted lists for uses */
.uses-list {
    padding-left: 1.5rem;
    margin-bottom: 1rem;
}

.uses-list li {
    margin-bottom: 0.5rem;
}

/* Call to Action Button styling */
.cta-container {
    text-align: center;
    margin-top: 4rem;
}

.btn-start {
    display: inline-block;
    background-color: #2980b9;
    color: #ffffff;
    padding: 1rem 2.5rem;
    font-size: 1.2rem;
    font-weight: bold;
    text-decoration: none;
    border-radius: 30px;
    box-shadow: 0 4px 15px rgba(41, 128, 185, 0.4);
    transition: all 0.3s ease;
}

.btn-start:hover {
    background-color: #3498db;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(41, 128, 185, 0.6);
}

.btn-start:active {
    transform: translateY(0);
}

/* Responsive adjustments for phones */
@media (max-width: 600px) {
    .hero-header h1 { 
        font-size: 2rem; 
    }
    
    .info-card { 
        padding: 1.5rem; 
    }
}