/* --- CSS Variables & Color Palette --- */
:root {
    --black: #040404;
    --viridian: #6B9080;
    --viridian-text: #4A6A64; /* Added for high-contrast B2B text readability */
    --cambridge-blue: #A4C3B2;
    --yellow: #FDDA01;
    --mint: #CCE3DE;
    --azure: #EAF4F4;
    --tomato: #F95738;
    --white: #FFFFFF;
}

/* --- Global Styles --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 120px;
    overflow-x: hidden; /* Prevents side-to-side wobble */
}

body {
    background-color: var(--azure);
    color: var(--black);
    line-height: 1.6;
    overflow-x: hidden; /* Prevents side-to-side wobble */
}

/* --- Typography --- */
h1, h2, h3, h4, h5 {
    font-weight: 800;
    line-height: 1.2;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

/* --- Utilities --- */
.btn {
    background: var(--yellow);
    color: var(--black);
    padding: 14px 28px;
    text-decoration: none;
    font-weight: 600;
    border-radius: 6px;
    display: inline-block;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    text-align: center;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(253, 218, 1, 0.4);
    background: #e5c500;
}

/* --- Header & Navigation --- */
header {
    background: var(--white);
    padding: 1rem 5%;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-img {
    height: 85px;
    width: auto;
    max-width: 100%;
}

/* --- Hamburger Menu --- */
.hamburger {
    display: none;
    cursor: pointer;
    border: none;
    background: transparent;
    padding: 5px;
    z-index: 1001;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    transition: all 0.3s ease-in-out;
    background-color: var(--black);
    border-radius: 2px;
}

nav {
    display: flex;
    align-items: center;
}

nav a {
    text-decoration: none;
    color: var(--black);
    font-weight: 600;
    margin-right: 2rem;
    transition: color 0.2s;
}

nav a:hover {
    color: var(--viridian);
}

.nav-btn {
    margin-right: 0;
    padding: 10px 20px;
}

/* --- Hero Section --- */
.hero {
    background-image: 
        radial-gradient(circle, rgba(4, 4, 4, 0.65) 0%, rgba(4, 4, 4, 0.85) 100%), 
        url('41.webp'); 
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--white);
    padding: 140px 5% 120px;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.hero h1 span {
    color: var(--yellow);
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    color: var(--azure);
    opacity: 0.9;
}

.hero h1, 
.hero p {
    text-shadow: 0 4px 15px rgba(0, 0, 0, 0.8);
}

/* --- Trust / Grant Badge --- */
.grant-trust-badge {
    padding: 60px 5% 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.badge-container {
    background: var(--white);
    border: 2px dashed var(--viridian);
    padding: 20px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.badge-icon {
    font-size: 2rem;
}

.badge-container p {
    font-size: 1.0rem;
    color: #333;
    line-height: 1.5;
}

/* --- About / Manifesto Section --- */
.about {
    padding: 60px 5%;
    max-width: 1200px;
    margin: 0 auto;
}

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

.manifesto-intro {
    font-size: 1.15rem;
    color: #444;
    margin-bottom: 35px;
    font-weight: 500;
}

.manifesto-pillars {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-bottom: 30px;
}

.pillar-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.pillar-num {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--viridian);
    line-height: 1.2;
    border-bottom: 2px solid var(--yellow);
    padding-bottom: 4px;
}

.pillar-content h5 {
    font-size: 1.2rem;
    color: var(--black);
    margin-bottom: 6px;
    font-weight: 800;
}

.pillar-content p {
    font-size: 1rem !important;
    color: #555;
    margin-bottom: 0 !important;
}

.section-tag {
    display: inline-block;
    color: var(--viridian-text);
    font-weight: 800;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

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

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(107, 144, 128, 0.2);
}

/* --- Lead Magnet Callout Box --- */
.lead-magnet-section {
    padding: 40px 5%;
    background-color: var(--black);
    color: var(--white);
}

.lead-magnet-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 40px;
}

.lead-magnet-text {
    max-width: 800px;
}

.lead-magnet-text h3 {
    font-size: 1.8rem;
    color: var(--yellow);
    margin-bottom: 10px;
}

.lead-magnet-text p {
    font-size: 1.1rem;
    opacity: 0.9;
}

.download-btn {
    white-space: nowrap;
}

/* --- Services Section --- */
.services {
    background-color: var(--white);
    padding: 100px 5%;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-header p {
    font-size: 1.2rem;
    color: #666;
}

.services-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.service-card {
    background: var(--azure);
    border-radius: 12px;
    border: 1px solid var(--mint);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    border-color: var(--yellow);
    box-shadow: 0 15px 30px rgba(0,0,0,0.05);
    transform: translateY(-5px);
}

.service-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-bottom: 3px solid var(--yellow);
}

.service-content {
    padding: 35px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.service-card h4 {
    color: var(--black);
    font-size: 1.4rem;
    margin-bottom: 15px;
}

.service-card p {
    margin-bottom: 20px;
    color: #444;
}

.service-bullets {
    list-style-type: none;
    margin-bottom: 25px;
    font-size: 0.95rem;
}

.service-bullets li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 10px;
    color: #333;
}

.service-bullets li::before {
    content: "➔";
    position: absolute;
    left: 0;
    color: var(--viridian);
}

.funding-info {
    display: block;
    font-size: 0.85rem;
    color: var(--viridian-text);
    font-weight: 700;
    margin-top: auto;
    margin-bottom: 15px;
    text-transform: uppercase;
}

/* --- Service Card Metadata Grid --- */
.service-meta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    width: 100%;
    margin-top: auto;
    margin-bottom: 25px;
    border-top: 1px solid var(--mint);
    padding-top: 20px;
}

.meta-item {
    display: flex;
    flex-direction: column;
}

.meta-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--viridian-text);
    font-weight: 800;
    margin-bottom: 4px;
}

.meta-value {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--black);
    line-height: 1.3;
}

.meta-subvalue {
    display: block;
    font-size: 0.8rem;
    font-weight: 400;
    color: #666;
    margin-top: 4px;
    line-height: 1.2;
}

/* Service Card CTA Buttons */
.btn-card-cta {
    display: block;
    width: 100%;
    background-color: var(--black);
    color: var(--yellow);
    text-decoration: none;
    padding: 12px 20px;
    border-radius: 6px;
    text-align: center;
    font-weight: 600;
    transition: all 0.2s ease-in-out;
}

.btn-card-cta:hover {
    background-color: var(--yellow);
    color: var(--black);
}

/* --- Case Studies Section --- */
.case-studies {
    padding: 100px 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.case-item {
    background: var(--white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.04);
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
}

.case-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(107, 144, 128, 0.12);
}

.border-viridian { border-top: 4px solid var(--viridian); }
.border-tomato { border-top: 4px solid var(--tomato); }
.border-cambridge { border-top: 4px solid var(--cambridge-blue); }
.border-black { border-top: 4px solid var(--black); }

.case-metric {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 15px;
}

.metric-viridian { color: var(--viridian-text); }
.metric-tomato { color: var(--tomato); }
.metric-cambridge { color: var(--viridian-text); }
.metric-black { color: var(--black); }

.case-item h5 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--black);
}

.case-item p {
    color: #444;
}

/* --- Contact Form Section --- */
.contact {
    background-color: var(--viridian);
    padding: 100px 5%;
    color: var(--white);
}

.form-container {
    max-width: 800px;
    margin: 0 auto;
    background: var(--white);
    color: var(--black);
    padding: 50px;
    border-radius: 16px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.2);
}

.form-container h2 {
    text-align: center;
    color: var(--black);
}

.form-container > p {
    text-align: center;
    margin-bottom: 40px;
    color: #555;
}

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

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 0.95rem;
}

.form-group input, 
.form-group select, 
.form-group textarea {
    width: 100%;
    padding: 14px;
    border: 2px solid var(--mint);
    border-radius: 8px;
    font-size: 1rem;
    background-color: #fafafa;
    transition: border-color 0.3s;
}

.form-group input:focus, 
.form-group select:focus, 
.form-group textarea:focus {
    outline: none;
    border-color: var(--viridian);
    background-color: var(--white);
}

.submit-btn {
    width: 100%;
    font-size: 1.1rem;
    padding: 18px;
}

.form-success {
    text-align: center;
    padding: 30px;
    background: var(--mint);
    border-radius: 8px;
    margin-top: 20px;
}

.hidden {
    display: none;
}

/* --- Footer --- */
footer {
    background: var(--black);
    color: var(--azure);
    text-align: center;
    padding: 60px 5% 40px;
}

.footer-logo {
    height: 50px;
    margin-bottom: 20px;
    opacity: 0.9;
}

.corporate-compliance {
    font-size: 0.85rem;
    opacity: 0.7;
    max-width: 800px;
    margin: 15px auto 0;
    line-height: 1.5;
}

.footer-links {
    margin: 20px 0;
}

.footer-links a {
    color: var(--cambridge-blue);
    text-decoration: none;
    margin: 0 15px;
    font-weight: 600;
}

.footer-links a:hover {
    color: var(--yellow);
}

/* --- Back to Top Button --- */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--black);
    color: var(--yellow);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0; 
    visibility: hidden; 
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 999;
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
}

.back-to-top svg {
    width: 24px;
    height: 24px;
}

.back-to-top.show {
    opacity: 0.7; 
    visibility: visible;
    transform: translateY(0);
}

.back-to-top.show:hover {
    opacity: 1;
    transform: translateY(-5px);
    background-color: var(--yellow);
    color: var(--black);
    box-shadow: 0 8px 20px rgba(253, 218, 1, 0.4);
}

/* --- Scroll-Reveal Animations --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), 
                transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* --- Responsive Media Queries --- */
@media (max-width: 900px) {
    .hero {
        background-attachment: scroll; 
    }
    .about-container {
        grid-template-columns: 1fr;
    }
    .hero h1 {
        font-size: 2.8rem;
    }
    .services-grid,
    .case-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: block;
    }

    nav {
        position: fixed;
        left: -100%;
        top: 0;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        height: 100vh;
        text-align: center;
        transition: 0.4s ease-in-out;
        padding-top: 100px;
        display: flex;
        box-shadow: inset 0 0 15px rgba(0,0,0,0.05);
    }

    nav.active {
        left: 0;
    }

    nav a {
        margin: 1.5rem 0;
        font-size: 1.25rem;
        margin-right: 0;
    }

    .nav-btn {
        margin: 1.5rem auto;
        width: 200px;
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero {
        background-image: 
            radial-gradient(circle, rgba(4, 4, 4, 0.65) 0%, rgba(4, 4, 4, 0.85) 100%), 
            url('41-mobile.webp'); 
    }

    /* Standardizes form layout properties strictly using CSS Grid constraints */
    .form-row {
        grid-template-columns: 1fr;
        gap: 0; /* Clear grid layout gap inheritance to let standalone margins work cleanly */
    }

    .form-group {
        margin-bottom: 25px; /* Restores consistent vertical spacing across all fields */
    }

    .form-container {
        padding: 30px 20px;
    }
    
    .lead-magnet-container {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}

/* Stacks metadata vertically on very small screens to prevent text clipping */
@media (max-width: 480px) {
    .service-meta {
        grid-template-columns: 1fr;
        gap: 12px;
    }
}