:root {
    --primary-blue: #27446e;
    --secondary-gold: #f5d510;
    --dark-navy: #1a3050;
    /* Slightly darker for contrast if needed */
    --light-gray: #f9f9f9;
    --white: #ffffff;
    --text-dark: #333333;
    --text-light: #666666;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Open Sans', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
    margin: 0;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
.header {
    background-color: var(--white);
    padding: 15px 0;
    border-bottom: 1px solid #eee;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    max-width: 1200px;
    /* Standard width */
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-logo-image {
    height: 70px;
    /* Adjust based on Logo.png aspect ratio */
    width: auto;
    display: block;
}

.donate-btn-header {
    background-color: var(--primary-blue);
    color: var(--white);
    padding: 12px 30px;
    text-decoration: none;
    font-weight: 700;
    font-size: 14px;
    border-radius: 2px;
    transition: background-color 0.2s ease;
    display: inline-block;
}

.donate-btn-header:hover {
    background-color: var(--dark-navy);
}

.donate-overlay {
    display: none;
    /* remove old overlay */
}


/* Hero Section */
.hero {
    width: 100%;
    overflow: hidden;
}

.hero-image {
    width: 100%;
}

.hero-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* Introduction Section */
.intro {
    padding: 60px 20px;
    /* Added side padding to accommodate bar */
    background-color: var(--primary-blue);
    color: var(--white);
    text-align: left;
    /* Image shows left aligned or center? Let's check. 
                         Looking at step 4: "A New Chapter..." is Left Aligned? 
                         Actually it looks Centered in the blue box? 
                         Wait, the blue box has a yellow bar on the Right. 
                         Text seems left-aligned or justified. 
                       */
    text-align: left;
    position: relative;
    overflow: hidden;
}

/* Right Yellow Bar for Intro */
.intro::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 20px;
    /* Estimated width */
    height: 100%;
    background-color: var(--secondary-gold);
}

.intro h1 {
    font-family: 'Open Sans', sans-serif;
    /* Design uses sans serif for title? Or Serif? 
                                             Step 4: "A New Chapter..." looks Sans Serif boldness.
                                           */
    font-size: 24px;
    color: var(--white);
    margin-bottom: 25px;
    line-height: 1.3;
    font-weight: 700;
}

.intro p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 20px;
    max-width: 800px;
}

.intro strong {
    color: var(--white);
    font-weight: 800;
}

/* Features Section */
.features {
    padding: 50px 0;
    background-color: var(--white);
}

.feature-item {
    display: flex;
    align-items: flex-start;
    /* Vertically center icon with text block? Or start? Design looks Top aligned usually. */
    margin-bottom: 40px;
}

.feature-icon {
    flex-shrink: 0;
    width: 80px;
    /* Increased slightly for source icons */
    height: 80px;
    margin-right: 20px;
    /* Removed background/padding assuming icons are complete graphics */
    display: flex;
    justify-content: center;
    align-items: center;
}

.feature-icon img {
    width: 100%;
    height: auto;
    display: block;
}

.feature-icon svg {
    display: none;
}

.feature-content h2 {
    font-family: 'Open Sans', sans-serif;
    font-size: 14px;
    font-weight: 800;
    color: var(--primary-blue);
    /* Text headers are dark blue/black? Step 4: Looks dark blue */
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.feature-content p {
    font-size: 13px;
    color: var(--text-dark);
    margin-bottom: 10px;
    line-height: 1.5;
}

/* Rendering Section */
.rendering {
    padding: 0 0 40px;
    /* Top padding removed */
    background-color: var(--white);
}

.rendering-label {
    font-size: 12px;
    font-style: italic;
    color: var(--text-dark);
    margin-bottom: 5px;
    margin-left: 20px;
}

.rendering-image {
    width: 100%;
}

.rendering-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* CTA Section */
.cta {
    padding: 60px 40px 60px 60px;
    /* Left padding for bar */
    background-color: var(--white);
    /* It looks white in Step 4 image */
    text-align: left;
    position: relative;
    border-top: 1px solid #eee;
}

/* Left Yellow Bar for CTA */
.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 20px;
    /* Estimated */
    height: 100%;
    background-color: var(--secondary-gold);
}

.cta h2 {
    font-family: 'Open Sans', sans-serif;
    font-size: 20px;
    color: var(--primary-blue);
    margin-bottom: 15px;
    font-weight: 800;
}

.cta-content {
    display: flex;
    flex-direction: column;
}

.cta-content .donate-btn-header {
    align-self: center;
    margin-bottom: 20px;
}

.cta p {
    font-size: 13px;
    color: var(--text-dark);
    margin-bottom: 20px;
    line-height: 1.6;
}

/* CTA Donate Button */
.cta .donate-btn-large {
    background: none;
    padding: 0;
    border-radius: 0;
}

.donate-btn-large-img {
    height: 50px;
    width: auto;
    display: block;
    margin-bottom: 20px;
    transition: transform 0.2s ease;
}

.donate-btn-large-img:hover {
    transform: translateY(-2px);
}

.cta-email {
    font-size: 13px;
    font-weight: 700;
    color: var(--primary-blue);
}

.cta-email a {
    color: var(--primary-blue);
    text-decoration: none;
}

/* Footer */
.footer {
    background-color: var(--primary-blue);
    padding: 15px 0;
    text-align: center;
}

.footer p {
    font-size: 12px;
    font-style: italic;
    color: var(--white);
}