/* --- Global Styles & Variables --- */
:root {
    --primary-green: #1E4620;
    --accent-green: #78B446;
    --light-gray-bg: #F9F9F9;
    --dark-text: #333333;
    --light-text: #FFFFFF;
    --eyebrow-text: #888888;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    color: var(--dark-text);
    background-color: var(--light-text);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 80px 0;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 10px;
}

h1, h2, h3, h4 {
    color: var(--primary-green);
    line-height: 1.3;
}

h1 { font-size: 56px; }
h2 { font-size: 48px; }
h3 { font-size: 24px; }
h4 { font-size: 18px; }

.eyebrow {
    font-size: 14px;
    color: var(--eyebrow-text);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: bold;
    margin-bottom: 10px;
    display: block;
}

.btn {
    padding: 12px 24px;
    border-radius: 5px;
    font-weight: bold;
    text-align: center;
    display: inline-block;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--accent-green);
    color: var(--primary-green);
}
.btn-primary:hover {
    background-color: #6aaa39;
}

.btn-nav {
    border: 2px solid var(--primary-green);
    color: var(--primary-green);
}
.btn-nav:hover {
    background-color: var(--primary-green);
    color: var(--light-text);
}

/* --- Header & Navigation --- */
header {
    background: var(--light-text);
    padding: 20px 0;
    border-bottom: 1px solid #eee;
    position: sticky;
    top: 0;
    z-index: 100;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-green);
    text-decoration: none;
    display: flex;
    align-items: center;
}

.logo i {
    color: var(--accent-green);
    margin-right: 8px;
}

header nav {
    display: flex;
    align-items: center;
    gap: 30px;
}

header nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

header nav ul a {
    text-decoration: none;
    color: var(--dark-text);
    font-weight: 500;
}
header nav ul a:hover {
    color: var(--primary-green);
}

/* --- Hero Section --- */
.hero {
    background-color: var(--light-gray-bg);
}

.hero .container {
    display: flex;
    align-items: center;
    gap: 40px;
}

.hero-content {
    flex: 1;
}

.hero-content h1 {
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 18px;
    margin-bottom: 30px;
    max-width: 500px;
}

.hero-image {
    flex: 1;
}

.hero-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
}

/* --- Stats Section --- */
.stats {
    background-color: var(--light-text);
    text-align: center;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.stat-item h3 {
    font-size: 48px;
    color: var(--primary-green);
}

.stat-item p {
    color: var(--eyebrow-text);
    font-size: 16px;
}

.client-logos {
    display: flex;
    justify-content: space-around;
    align-items: center;
    filter: grayscale(100%);
    opacity: 0.4;
    padding-top: 40px;
    border-top: 1px solid #eee;
}

.client-logos span {
    font-size: 24px;
    font-weight: bold;
    color: #ccc;
    text-transform: uppercase;
}

/* --- Core Focus Section --- */
.core-focus {
    background-color: var(--light-gray-bg);
}

.core-focus .container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    align-items: center;
    gap: 60px;
}

.focus-text h2 {
    margin-bottom: 20px;
}

.focus-text p {
    margin-bottom: 20px;
}

.focus-text .focus-callout {
    font-weight: 500;
    color: var(--primary-green);
}

.focus-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    background: var(--light-text);
    padding: 20px;
    border-radius: 10px;
}

.focus-image img {
    height: 100%;
    object-fit: cover;
}

.focus-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    list-style: none;
}

.focus-list li {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.focus-list i {
    font-size: 20px;
    color: var(--accent-green);
    background-color: #eaf6e1;
    padding: 10px;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    text-align: center;
}

.focus-list h4 {
    margin-bottom: 5px;
}

.focus-list p {
    font-size: 14px;
}

/* --- Solar Steps Section --- */
.solar-steps-dark {
    background-color: var(--primary-green);
    color: var(--light-text);
}

.solar-steps-dark .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 40px;
}

.solar-steps-dark h2, .solar-steps-dark h3 {
    color: var(--light-text);
}

.solar-steps-dark .eyebrow {
    color: #b0d691;
}

.solar-steps-dark h2 {
    margin-bottom: 40px;
}

.solar-steps-dark .step-item h3 {
    color: var(--accent-green);
}

.solar-gallery {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.solar-gallery .img-1 {
    grid-row: 1 / span 2;
    height: 100%;
    object-fit: cover;
}

.solar-gallery .img-3 {
    grid-column: 1 / span 2;
}

/* --- FAQ & Blog Wrapper --- */
.faq-blog-wrapper {
    background-color: var(--light-gray-bg);
}

.faq-blog-wrapper .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

/* --- FAQ Column --- */
.faq-column h2 {
    margin-bottom: 30px;
}

.accordion-item {
    border-bottom: 1px solid #ddd;
}

.accordion-item:first-of-type {
    border-top: 1px solid #ddd;
}

.accordion-item summary {
    padding: 20px 0;
    font-size: 18px;
    font-weight: bold;
    color: var(--primary-green);
    cursor: pointer;
    list-style: none; /* Hide default marker */
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.accordion-item summary::-webkit-details-marker {
    display: none;
}

.accordion-item summary i {
    color: var(--primary-green);
    transition: transform 0.3s ease;
}

.accordion-item[open] summary i {
    transform: rotate(45deg);
}

.accordion-item p {
    padding-bottom: 20px;
    line-height: 1.6;
}

/* --- Blog Column --- */
.blog-column h2 {
    margin-bottom: 30px;
}

.blog-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.blog-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

/* --- Footer --- */
footer {
    background: var(--primary-green);
    color: var(--light-text);
    text-align: center;
    padding: 40px 0;
    margin-top: -1px; /* Fix for potential gaps */
}

footer p {
    opacity: 0.8;
}