/* ==========================================================================
   CSS Variables & Global Resets
   ========================================================================== */
:root {
    /* Color Palette */
    --primary: #1a7837;      /* Deep Green */
    --primary-light: #2c974b;
    --primary-dark: #125727;
    --secondary: #ffb600;    /* Gold */
    --secondary-hover: #e5a400;
    --dark: #212934;         /* Charcoal/Navy */
    --dark-alt: #2c3643;
    --light: #f4f7f6;        /* Off-white */
    --white: #ffffff;
    --text-main: #4a5568;
    --text-muted: #718096;
    
    /* Typography */
    --font-sans: 'Inter', sans-serif;
    --font-serif: 'Playfair Display', serif;
    
    /* Spacing & Layout */
    --header-height: 90px;
    --header-height-scrolled: 70px;
    --transition-speed: 0.3s;
    --border-radius: 8px;
    --box-shadow: 0 10px 30px rgba(33, 41, 52, 0.08);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height-scrolled);
}

body {
    font-family: var(--font-sans);
    color: var(--text-main);
    line-height: 1.7;
    background-color: var(--white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    color: var(--dark);
    line-height: 1.2;
    margin-bottom: 1rem;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: all var(--transition-speed) ease;
}

a:hover {
    color: var(--primary-light);
}

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

ul {
    list-style: none;
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
}

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

.bg-light {
    background-color: var(--light);
}

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

.text-white {
    color: var(--white);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-family: var(--font-sans);
    font-weight: 600;
    border-radius: 50px;
    transition: all var(--transition-speed) ease;
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--white);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(26, 120, 55, 0.2);
}

.btn-secondary {
    background-color: var(--secondary);
    color: var(--dark);
}

.btn-secondary:hover {
    background-color: var(--secondary-hover);
    color: var(--dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(255, 182, 0, 0.2);
}

.btn-primary-outline {
    background-color: transparent;
    color: var(--primary);
    border-color: var(--primary);
    padding: 10px 24px;
    border-radius: 50px;
}

.btn-primary-outline:hover {
    background-color: var(--primary);
    color: var(--white);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.title-underline {
    height: 4px;
    width: 60px;
    background-color: var(--primary);
    margin-bottom: 2rem;
    border-radius: 2px;
}

.title-underline.center {
    margin: 0 auto 2rem auto;
}

.title-underline.bg-gold {
    background-color: var(--secondary);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: var(--white);
    z-index: 1000;
    transition: all var(--transition-speed) ease;
    box-shadow: 0 2px 20px rgba(0,0,0,0.05);
}

.header.scrolled {
    height: var(--header-height-scrolled);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo-img {
    height: 50px;
    transition: height var(--transition-speed) ease;
}

.header.scrolled .logo-img {
    height: 40px;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-family: var(--font-sans);
    font-weight: 500;
    color: var(--dark);
    font-size: 1rem;
    position: relative;
}

.nav-link:not(.btn-primary-outline)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: width 0.3s ease;
}

.nav-link:not(.btn-primary-outline):hover::after,
.nav-link.active:not(.btn-primary-outline)::after {
    width: 100%;
}

.nav-link:hover {
    color: var(--primary);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.mobile-menu-toggle .bar {
    width: 100%;
    height: 3px;
    background-color: var(--dark);
    border-radius: 3px;
    transition: all 0.3s ease;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    background-image: url('../images/Cascade-Environmental-outdoor-stream.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(33, 41, 52, 0.4) 0%, rgba(26, 120, 55, 0.2) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    color: var(--white);
}

.hero-subtitle {
    display: inline-block;
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--secondary);
    margin-bottom: 1rem;
}

.hero-title {
    font-size: 3.5rem;
    color: var(--white);
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.hero-text {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about-container {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.about-image:hover img {
    transform: scale(1.03);
}

.experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background-color: var(--secondary);
    color: var(--dark);
    width: 160px;
    height: 160px;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    box-shadow: 0 10px 20px rgba(0,0,0,0.15);
    border: 8px solid var(--white);
}

.experience-badge .years {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
}

.experience-badge .label {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-top: 5px;
}

.about-text p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.compliance-box {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    background-color: var(--light);
    padding: 20px;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary);
    margin-top: 2rem;
}

.icon-check {
    width: 24px;
    height: 24px;
    color: var(--primary);
    flex-shrink: 0;
    margin-top: 3px;
}

.compliance-box p {
    margin-bottom: 0;
    font-size: 0.95rem;
}

.text-link {
    text-decoration: underline;
    font-weight: 500;
}

/* ==========================================================================
   Services Section
   ========================================================================== */
.subtitle {
    color: var(--primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: block;
    margin-bottom: 0.5rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 3rem;
}

.service-card {
    background-color: var(--white);
    padding: 40px 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: all var(--transition-speed) ease;
    border-bottom: 4px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    border-bottom-color: var(--primary);
}

.service-icon-wrapper {
    width: 80px;
    height: 80px;
    background-color: var(--light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    overflow: hidden;
    border: 2px solid var(--white);
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.service-icon {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.service-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.service-list li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.service-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    background-color: var(--secondary);
    border-radius: 50%;
}

/* ==========================================================================
   Team Section
   ========================================================================== */
.leaf-icon {
    width: 50px;
    margin: 0 auto 1rem auto;
}

.section-desc {
    max-width: 700px;
    margin: 0 auto;
    font-size: 1.1rem;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
    margin-top: 4rem;
}

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

.team-img-wrapper {
    width: 100%;
    max-width: 250px;
    aspect-ratio: 1/1;
    margin: 0 auto 1.5rem auto;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    position: relative;
    background-color: var(--light);
}

.team-img-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    box-shadow: inset 0 0 0 4px var(--white);
    z-index: 2;
}

.team-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.team-card:hover .team-img {
    transform: scale(1.1);
}

.team-info h3 {
    margin-bottom: 0.2rem;
    font-size: 1.25rem;
}

.team-role {
    color: var(--primary);
    font-weight: 500;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ==========================================================================
   Client Partners Carousel
   ========================================================================== */
.carousel-container {
    width: 100%;
    overflow: hidden;
    padding: 2rem 0;
    position: relative;
}

/* Gradient fade edges for carousel */
.carousel-container::before,
.carousel-container::after {
    content: '';
    position: absolute;
    top: 0;
    width: 150px;
    height: 100%;
    z-index: 2;
}

.carousel-container::before {
    left: 0;
    background: linear-gradient(to right, var(--light) 0%, rgba(244, 247, 246, 0) 100%);
}

.carousel-container::after {
    right: 0;
    background: linear-gradient(to left, var(--light) 0%, rgba(244, 247, 246, 0) 100%);
}

.carousel-track {
    display: flex;
    align-items: center;
    width: max-content;
    gap: 60px;
    animation: scroll-infinite 40s linear infinite;
}

.carousel-track:hover {
    animation-play-state: paused;
}

.carousel-track img {
    height: 60px;
    max-width: 180px;
    object-fit: contain;
    filter: grayscale(100%) opacity(0.6);
    transition: filter 0.3s ease;
}

.carousel-track img:hover {
    filter: grayscale(0%) opacity(1);
}

@keyframes scroll-infinite {
    0% { transform: translateX(0); }
    100% { transform: translateX(calc(-50% - 30px)); } /* -50% of track + half gap */
}

/* ==========================================================================
   Testimonials Section
   ========================================================================== */
.testimonials {
    position: relative;
    background-image: url('../images/Cascade-Environmental-Columbia-River-Oregon.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--white);
}

.testimonials-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(26, 120, 55, 0.2); /* Primary color overlay */
    z-index: 1;
}

.testimonials-container {
    position: relative;
    z-index: 2;
}

.testimonial-slider {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    min-height: 250px;
}

.testimonial-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    visibility: hidden;
    transition: all 0.5s ease;
    transform: translateY(20px);
    text-align: center;
}

.testimonial-slide.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    position: relative;
}

.quote-icon {
    color: var(--secondary);
    margin-bottom: 1.5rem;
}

.testimonial-text {
    font-size: 1.25rem;
    font-family: var(--font-serif);
    font-style: italic;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.testimonial-author strong {
    display: block;
    font-size: 1.1rem;
    color: var(--secondary);
}

.testimonial-author span {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

.slider-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 2rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid var(--white);
    background: transparent;
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active, .dot:hover {
    background: var(--secondary);
    border-color: var(--secondary);
}

/* ==========================================================================
   Community Impact
   ========================================================================== */
.community-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    max-width: 900px;
    margin: 3rem auto 0 auto;
    background: var(--white);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.community-list li {
    padding: 12px 0;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    position: relative;
    padding-left: 30px;
}

.community-list li:last-child {
    border-bottom: none;
}

.community-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background-color: var(--dark);
    color: var(--white);
    padding-top: 80px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-brand .footer-logo {
    max-width: 250px;
    margin-bottom: 1rem;
}

.footer-brand .tagline {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1.5rem;
}

.nrpp-badge {
    max-width: 100px;
}

.footer h4 {
    color: var(--white);
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--secondary);
}

.footer p, .footer address {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0.5rem;
    font-style: normal;
}

.footer-link {
    color: rgba(255, 255, 255, 0.7);
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: var(--secondary);
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--white);
}

.social-icon:hover {
    background-color: var(--secondary);
    color: var(--dark);
    transform: translateY(-3px);
}

.footer-bottom {
    background-color: rgba(0, 0, 0, 0.2);
    text-align: center;
    padding: 20px 0;
}

.footer-bottom p {
    margin: 0;
    font-size: 0.9rem;
}

/* ==========================================================================
   Animations & Responsive
   ========================================================================== */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-up.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-left.is-visible {
    opacity: 1;
    transform: translateX(0);
}

.fade-in-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-right.is-visible {
    opacity: 1;
    transform: translateX(0);
}

@media (max-width: 1024px) {
    .about-container {
        grid-template-columns: 1fr;
    }
    .experience-badge {
        bottom: 20px;
        right: 20px;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    .hero-text {
        font-size: 1.1rem;
    }
    .hero-actions {
        flex-direction: column;
    }
    
    .nav-list {
        position: absolute;
        top: var(--header-height);
        left: -100%;
        width: 100%;
        flex-direction: column;
        background-color: var(--white);
        padding: 2rem 0;
        box-shadow: 0 10px 10px rgba(0,0,0,0.1);
        transition: left 0.3s ease;
    }
    
    .header.scrolled .nav-list {
        top: var(--header-height-scrolled);
    }
    
    .nav-list.active {
        left: 0;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .mobile-menu-toggle.active .bar:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }
    .mobile-menu-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    .mobile-menu-toggle.active .bar:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }
    
    .community-grid {
        grid-template-columns: 1fr;
        padding: 20px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
}