:root {
    --vy-forest-dark: #1A3622;
    --vy-forest-mid: #2C5535;
    --vy-leaf-green: #4CAF50;
    --vy-soil-brown: #5D4037;
    --vy-earth-light: #F4F6F4;
    --vy-white: #FFFFFF;
    --vy-text-main: #333333;
    --vy-text-muted: #666666;
    --vy-font-stack: 'Outfit', sans-serif;
    --vy-radius: 8px;
    --vy-transition: all 0.3s ease;
}

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

body.vy-page-wrapper {
    font-family: var(--vy-font-stack);
    color: var(--vy-text-main);
    background-color: var(--vy-earth-light);
    line-height: 1.6;
    overflow-x: hidden;
}

img {
    width: 100%;
    height: auto;
    object-fit: cover;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
}

.vy-section-title {
    font-size: 2.2rem;
    color: var(--vy-forest-dark);
    margin-bottom: 1.5rem;
    font-weight: 700;
    line-height: 1.2;
}

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

/* Header */
.vy-top-masthead {
    background-color: var(--vy-white);
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

.vy-masthead-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 4vw;
    max-width: 1400px;
    margin: 0 auto;
}

.vy-brand-mark {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--vy-forest-dark);
}

.vy-brand-mark svg {
    stroke: var(--vy-leaf-green);
}

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

.vy-primary-nav a:not(.vy-action-btn-small) {
    font-weight: 600;
    color: var(--vy-forest-mid);
    transition: var(--vy-transition);
}

.vy-primary-nav a:hover:not(.vy-action-btn-small) {
    color: var(--vy-leaf-green);
}

.vy-ghost-link {
    opacity: 0.6;
}

/* Buttons */
.vy-action-btn-main, .vy-action-btn-small, .vy-action-btn-alt {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: var(--vy-radius);
    font-weight: 600;
    transition: var(--vy-transition);
    text-align: center;
    cursor: pointer;
    border: none;
    font-family: inherit;
    font-size: 1rem;
}

.vy-action-btn-small {
    padding: 0.5rem 1rem;
    background-color: var(--vy-forest-mid);
    color: var(--vy-white);
}

.vy-action-btn-main {
    background-color: var(--vy-leaf-green);
    color: var(--vy-white);
}

.vy-action-btn-alt {
    background-color: transparent;
    border: 2px solid var(--vy-forest-dark);
    color: var(--vy-forest-dark);
}

.vy-action-btn-main:hover, .vy-action-btn-small:hover {
    background-color: var(--vy-forest-dark);
}

.vy-action-btn-alt:hover {
    background-color: var(--vy-forest-dark);
    color: var(--vy-white);
}

.vy-full-width {
    width: 100%;
}

/* Hero */
.vy-hero-split-layout {
    display: flex;
    min-height: 85vh;
    background-color: var(--vy-forest-dark);
    color: var(--vy-white);
}

.vy-hero-text-pane {
    flex: 1;
    padding: 10vw 6vw;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.vy-cert-badge {
    display: inline-block;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    background-color: rgba(76, 175, 80, 0.2);
    color: var(--vy-leaf-green);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    margin-bottom: 1.5rem;
    width: fit-content;
}

.vy-hero-headline {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--vy-white);
}

.vy-hero-sub {
    font-size: 1.2rem;
    color: #cbd5e1;
    margin-bottom: 2.5rem;
    max-width: 90%;
}

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

.vy-hero-actions .vy-action-btn-alt {
    border-color: var(--vy-white);
    color: var(--vy-white);
}

.vy-hero-actions .vy-action-btn-alt:hover {
    background-color: var(--vy-white);
    color: var(--vy-forest-dark);
}

.vy-hero-visual-pane {
    flex: 1;
    position: relative;
}

.vy-hero-visual-pane img {
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}

/* Roots (About) */
.vy-roots-article {
    display: flex;
    align-items: center;
    padding: 8vw 5vw;
    gap: 6vw;
    max-width: 1400px;
    margin: 0 auto;
}

.vy-roots-visual {
    flex: 1;
}

.vy-roots-visual img {
    border-radius: var(--vy-radius);
    box-shadow: -15px 15px 0 var(--vy-soil-brown);
}

.vy-roots-content {
    flex: 1.2;
}

.vy-roots-content p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.vy-inline-link {
    color: var(--vy-leaf-green);
    text-decoration: underline;
    font-weight: 600;
}

.vy-data-highlight {
    margin-top: 2rem;
    padding: 1.5rem;
    background-color: var(--vy-white);
    border-left: 4px solid var(--vy-leaf-green);
    border-radius: 0 var(--vy-radius) var(--vy-radius) 0;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.vy-data-number {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    color: var(--vy-forest-mid);
    line-height: 1;
    margin-bottom: 0.5rem;
}

/* Capabilities (Tabs) */
.vy-capabilities-zone {
    background-color: var(--vy-white);
    padding: 100px 5vw;
}

.vy-cap-header {
    max-width: 800px;
    margin: 0 auto 3rem auto;
    text-align: center;
}

.vy-tab-container {
    max-width: 1200px;
    margin: 0 auto;
}

.vy-tab-controls {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.vy-tab-trigger {
    background: none;
    border: 2px solid #e2e8f0;
    padding: 1rem 2rem;
    font-family: inherit;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--vy-text-muted);
    border-radius: 30px;
    cursor: pointer;
    transition: var(--vy-transition);
}

.vy-tab-trigger.active, .vy-tab-trigger:hover {
    background-color: var(--vy-forest-mid);
    color: var(--vy-white);
    border-color: var(--vy-forest-mid);
}

.vy-tab-pane {
    display: none;
    animation: fadeIn 0.5s ease;
}

.vy-tab-pane.active {
    display: block;
}

.vy-pane-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.vy-pane-text h3 {
    font-size: 1.8rem;
    color: var(--vy-forest-dark);
    margin-bottom: 1rem;
}

.vy-pane-text p {
    margin-bottom: 1.5rem;
    color: var(--vy-text-muted);
}

.vy-pane-text ul {
    list-style: none;
}

.vy-pane-text li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.8rem;
    color: var(--vy-text-main);
}

.vy-pane-text li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--vy-leaf-green);
    font-weight: bold;
}

.vy-pane-grid img {
    border-radius: var(--vy-radius);
    aspect-ratio: 4/3;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Feedback */
.vy-feedback-strip {
    padding: 6vw 4vw;
    background-color: var(--vy-forest-mid);
    color: var(--vy-white);
}

.vy-feedback-strip .vy-section-title {
    color: var(--vy-white);
    margin-bottom: 3rem;
}

.vy-feedback-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.vy-feedback-card {
    background-color: rgba(255,255,255,0.05);
    padding: 2rem;
    border-radius: var(--vy-radius);
    border: 1px solid rgba(255,255,255,0.1);
}

.vy-quote {
    font-style: italic;
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
    line-height: 1.7;
}

.vy-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.vy-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
}

.vy-author strong {
    display: block;
    font-size: 1rem;
}

.vy-author span {
    font-size: 0.85rem;
    opacity: 0.8;
}

/* Contact */
.vy-contact-hub {
    display: grid;
    grid-template-columns: 1fr 1fr;
    max-width: 1200px;
    margin: 8vw auto;
    gap: 4rem;
    padding: 0 4vw;
}

.vy-contact-info-panel p {
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.vy-micro-details {
    background-color: var(--vy-white);
    padding: 1.5rem;
    border-radius: var(--vy-radius);
    border-left: 4px solid var(--vy-soil-brown);
}

.vy-form-group {
    margin-bottom: 1.5rem;
}

.vy-form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--vy-forest-dark);
}

.vy-form-group input, .vy-form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-family: inherit;
    font-size: 1rem;
}

.vy-form-group input:focus, .vy-form-group textarea:focus {
    outline: none;
    border-color: var(--vy-leaf-green);
}

/* Footer */
.vy-site-base {
    background-color: #111;
    color: #a0aec0;
    padding: 4rem 4vw 2rem 4vw;
    font-size: 0.9rem;
}

.vy-footer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    max-width: 1200px;
    margin: 0 auto 3rem auto;
    gap: 2rem;
}

.vy-footer-brand strong {
    color: var(--vy-white);
    font-size: 1.2rem;
    display: block;
    margin-bottom: 1rem;
}

.vy-footer-brand p {
    margin-bottom: 0.5rem;
}

.vy-footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.vy-footer-links strong {
    color: var(--vy-white);
    margin-bottom: 0.5rem;
}

.vy-footer-links a:hover {
    color: var(--vy-leaf-green);
}

.vy-footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    border-top: 1px solid #333;
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.vy-tiny-disclaimer {
    font-size: 0.75rem;
    opacity: 0.5;
    max-width: 500px;
    text-align: right;
}

/* Responsive */
@media (max-width: 992px) {
    .vy-hero-split-layout {
        flex-direction: column;
    }
    .vy-hero-visual-pane {
        min-height: 400px;
    }
    .vy-hero-headline {
        font-size: 2.8rem;
    }
    .vy-roots-article {
        flex-direction: column-reverse;
    }
    .vy-pane-grid {
        grid-template-columns: 1fr;
    }
    .vy-contact-hub {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .vy-primary-nav {
        display: none; /* Simplified for demo, would normally be a hamburger */
    }
    .vy-hero-actions {
        flex-direction: column;
    }
    .vy-footer-grid {
        grid-template-columns: 1fr;
    }
    .vy-footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    .vy-tiny-disclaimer {
        text-align: center;
    }
}