:root {
    --primary-dark: #143d2d;
    --background-color: #f6f2eb;
    --text-color: #222222;
    --text-light: #f6f2eb;
    --accent-color: #143d2d;
    --border-color: #e0e0e0;
    --font-main: 'Karla', sans-serif;
    --font-heading: 'Montserrat', sans-serif;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--primary-dark);
    font-weight: 700;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

.btn {
    display: inline-block;
    padding: 16px 40px;
    font-family: var(--font-heading);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 50px;
    cursor: pointer;
    text-align: center;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 8px rgba(0,0,0,0.15);
}

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

.btn-primary:hover {
    background-color: transparent;
    color: var(--primary-dark);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-dark);
    border: 2px solid var(--primary-dark);
}

.btn-secondary:hover {
    background-color: var(--primary-dark);
    color: var(--text-light);
}

.btn:focus-visible {
    outline: 2px solid var(--primary-dark);
    outline-offset: 2px;
}

.section-padding {
    padding: 100px 0;
}

.text-center {
    text-align: center;
}

/* Header */
header {
    background-color: var(--background-color);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

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

.logo {
    flex-shrink: 0;
}

.logo img {
    height: 85px;
}

nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

nav ul {
    display: flex;
    align-items: center;
    gap: 50px;
}

nav a {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--primary-dark);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

nav a:hover {
    opacity: 0.7;
}

.mobile-menu-btn {
    display: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--primary-dark);
}

/* Hero Section */
.hero {
    padding: 0;
    background-color: var(--primary-dark); /* Fallback */
    background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('https://images.unsplash.com/photo-1600607687939-ce8a6c25118c?auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 20px;
    color: #fff;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.hero p {
    font-size: 1.5rem;
    margin-bottom: 40px;
    color: #f0f0f0;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 0 1px 5px rgba(0,0,0,0.3);
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
}

.hero .btn-secondary {
    border-color: #fff;
    color: #fff;
}

.hero .btn-secondary:hover {
    background-color: #fff;
    color: var(--primary-dark);
}

.trust-indicators {
    display: flex;
    justify-content: center;
    gap: 30px;
    font-size: 1rem;
    color: #fff;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.trust-indicators span {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Services Grid */
.services {
    background-color: #fff;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.service-card {
    background-color: #fff;
    padding: 40px;
    border: none;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 25px rgba(0,0,0,0.1);
}

.service-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    color: var(--primary-dark);
    fill: var(--primary-dark);
}

.service-card h3 {
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.service-card p {
    font-size: 1rem;
    color: var(--text-color);
}

/* Why Choose Evergreen */
.why-choose {
    background-color: var(--background-color);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.why-item {
    text-align: center;
    background-color: #fff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.why-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 25px rgba(0,0,0,0.1);
}

.why-item h3 {
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.why-item p {
    font-size: 1rem;
}

/* Process Flow */
.process {
    background-color: #fff;
}

.process-steps {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-top: 60px;
    position: relative;
    flex-wrap: wrap;
    gap: 30px;
}

.process-step {
    flex: 1;
    text-align: center;
    position: relative;
    min-width: 200px;
}

.step-number {
    width: 50px;
    height: 50px;
    background-color: var(--primary-dark);
    color: var(--text-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
    margin: 0 auto 20px;
    position: relative;
    z-index: 1;
}

.process-step h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

/* Our Work Standards */
.standards {
    background-color: var(--background-color);
}

.standards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.standards-item {
    text-align: center;
    background-color: #fff;
    padding: 40px 30px;
    border-radius: 12px;
    border: none;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.standards-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 25px rgba(0,0,0,0.1);
}

.standards-item h3 {
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.standards-item p {
    font-size: 1rem;
    color: var(--text-color);
}

/* CTA Band */
.cta-band {
    background-color: var(--primary-dark);
    padding: 80px 0;
    text-align: center;
    color: var(--text-light);
}

.cta-band h2 {
    color: var(--text-light);
    font-size: 2.5rem;
    margin-bottom: 30px;
}

.cta-band .btn {
    background-color: var(--background-color);
    color: var(--primary-dark);
    border: none;
}

.cta-band .btn:hover {
    background-color: #fff;
    transform: scale(1.05);
}

/* Footer */
footer {
    background-color: #0f2e22; /* Slightly darker than primary */
    color: #e0e0e0;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo img {
    height: 50px;
    margin-bottom: 20px;
    filter: brightness(0) invert(1); /* Make logo white if needed, or use white version */
}

.footer-links h4, .footer-contact h4 {
    color: #fff;
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links a:hover {
    color: #fff;
    text-decoration: underline;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    text-align: center;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.6);
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .trust-indicators {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    
    nav ul {
        display: none; /* Implement mobile menu JS if needed */
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .process-steps {
        flex-direction: column;
        align-items: center;
    }
    
    .process-step {
        width: 100%;
        margin-bottom: 30px;
    }
}