:root {
    --ink: #18251e;
    --muted: #718078;
    --forest: #173c2d;
    --deep: #102b22;
    --moss: #9bbf62;
    --lime: #d8ef9f;
    --paper: #f5f4ed;
    --line: #dce3d8;
    --white: #fff;
    --max: 1180px
}

.skip-link {
    position: absolute;
    top: -4rem;
    left: 1rem;
    z-index: 20;
    padding: .7rem 1rem;
    border-radius: 999px;
    background: var(--lime);
    color: var(--forest);
    font-weight: 800
}

.skip-link:focus {
    top: 1rem
}

* {
    box-sizing: border-box
}

html {
    scroll-behavior: smooth
}

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.55
}

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

.container {
    width: min(calc(100% - 4rem), var(--max));
    margin: 0 auto
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    border-bottom: 1px solid rgba(220, 227, 216, .8);
    background: rgba(245, 244, 237, .9);
    backdrop-filter: blur(14px)
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 82px
}

.logo {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -.07em
}

.logo span {
    color: #729744
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin: 0;
    padding: 0;
    list-style: none;
    color: var(--muted);
    font-size: .85rem
}

.nav-links a {
    transition: color .2s ease
}

.nav-links a:hover {
    color: var(--ink)
}

.nav-cta {
    padding: .75rem 1rem;
    border: 1px solid #b9c8b5;
    border-radius: 999px;
    color: var(--forest) !important;
    font-weight: 700
}

.nav-cta span {
    margin-left: .3rem;
    color: #729744
}

.menu-toggle {
    display: none;
    border: 0;
    background: none;
    font-size: 1.25rem
}

.hero {
    position: relative;
    overflow: hidden;
    padding: 8rem 0 2rem;
    background: var(--paper)
}

.hero-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr .9fr;
    align-items: center;
    gap: 5rem
}

.eyebrow {
    margin: 0 0 1.25rem;
    color: #749542;
    font-size: .7rem;
    font-weight: 800;
    letter-spacing: .18em;
    text-transform: uppercase
}

.hero h1 {
    max-width: 700px;
    margin: 0 0 1.7rem;
    font-size: clamp(3.6rem, 7vw, 7.2rem);
    letter-spacing: -.095em;
    line-height: .88
}

.hero h1 em {
    color: #6f9242;
    font-style: normal
}

.hero-text {
    max-width: 510px;
    margin: 0 0 2.2rem;
    color: var(--muted);
    font-size: 1.16rem
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 1.7rem
}

.button {
    display: inline-flex;
    align-items: center;
    gap: .65rem;
    border: 0;
    border-radius: 999px;
    padding: 1rem 1.35rem;
    background: var(--forest);
    color: var(--white);
    font: inherit;
    font-weight: 750;
    cursor: pointer;
    transition: transform .2s ease, box-shadow .2s ease
}

.button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(16, 43, 34, .16)
}

.button span,
.text-link span {
    font-size: 1.05em
}

.text-link {
    color: var(--forest);
    font-size: .88rem;
    font-weight: 750
}

.text-link:hover {
    text-decoration: underline;
    text-underline-offset: 4px
}

.hero-visual {
    position: relative;
    min-height: 450px;
    padding: 1.2rem;
    border: 1px solid #cbd8c8;
    background: #dce7cc
}

.visual-label {
    color: #617457;
    font-size: .65rem;
    font-weight: 800;
    letter-spacing: .13em;
    text-transform: uppercase
}

.landscape {
    position: relative;
    height: 390px;
    margin-top: .7rem;
    overflow: hidden;
    background: linear-gradient(180deg, #dcefdc 0%, #a7c88e 55%, #63845e 100%)
}

.sun {
    position: absolute;
    top: 25%;
    right: 19%;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: #edf1c0
}

.mountain {
    position: absolute;
    bottom: 31%;
    width: 0;
    height: 0;
    border-left: 220px solid transparent;
    border-right: 220px solid transparent;
    border-bottom: 210px solid #7c9f72
}

.mountain-back {
    left: -80px;
    border-bottom-color: #aac497
}

.mountain-front {
    right: -80px;
    border-left-width: 260px;
    border-right-width: 260px;
    border-bottom-width: 240px;
    border-bottom-color: #527556
}

.tree-line {
    position: absolute;
    bottom: 18%;
    width: 120%;
    height: 31%;
    background: #315941;
    clip-path: polygon(0 80%, 3% 50%, 6% 75%, 10% 23%, 13% 64%, 16% 35%, 19% 72%, 23% 16%, 26% 64%, 30% 30%, 34% 70%, 37% 22%, 41% 63%, 44% 34%, 48% 76%, 52% 23%, 56% 60%, 60% 31%, 64% 71%, 68% 18%, 72% 59%, 76% 25%, 81% 70%, 85% 33%, 90% 68%, 94% 28%, 100% 73%, 100% 100%, 0 100%)
}

.tree-line-back {
    left: -5%;
    bottom: 22%;
    height: 27%;
    background: #668b65;
    opacity: .75
}

.tree-line-front {
    left: -10%
}

.data-line {
    position: absolute;
    height: 1px;
    background: rgba(240, 248, 218, .8);
    transform-origin: left center
}

.data-line-one {
    left: 9%;
    top: 35%;
    width: 77%;
    transform: rotate(17deg)
}

.data-line-two {
    left: 21%;
    top: 63%;
    width: 70%;
    transform: rotate(-9deg)
}

.data-dot {
    position: absolute;
    width: 8px;
    height: 8px;
    border: 2px solid #f2f6ce;
    border-radius: 50%;
    background: #759f55
}

.dot-one {
    left: 27%;
    top: 41%
}

.dot-two {
    left: 63%;
    top: 54%
}

.dot-three {
    right: 15%;
    top: 29%
}

.visual-footer {
    display: flex;
    justify-content: space-between;
    padding-top: .8rem;
    color: #617457;
    font-size: .65rem;
    font-weight: 800;
    letter-spacing: .1em;
    text-transform: uppercase
}

.hero-orbit {
    position: absolute;
    border: 1px solid rgba(114, 151, 68, .15);
    border-radius: 50%
}

.hero-orbit-one {
    top: -200px;
    right: -120px;
    width: 720px;
    height: 720px
}

.hero-orbit-two {
    top: 100px;
    right: 70px;
    width: 410px;
    height: 410px
}

.hero-proof {
    display: flex;
    gap: 2.5rem;
    padding: 4rem 0 2rem;
    border-bottom: 1px solid var(--line);
    color: #718078;
    font-size: .72rem;
    font-weight: 800;
    letter-spacing: .12em;
    text-transform: uppercase
}

.section {
    padding: 8rem 0
}

.statement-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem
}

.statement h2,
.section h2 {
    max-width: 730px;
    margin: 0;
    font-size: clamp(2.5rem, 5vw, 5rem);
    letter-spacing: -.08em;
    line-height: .95
}

.lede {
    max-width: 560px;
    margin: 1.6rem 0 0;
    color: var(--muted);
    font-size: 1.2rem
}

.section-dark {
    background: var(--deep);
    color: var(--white)
}

.section-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 3rem;
    margin-bottom: 4rem
}

.section-heading-light .eyebrow {
    color: var(--moss)
}

.section-intro {
    max-width: 320px;
    margin: 0;
    color: var(--muted);
    font-size: .98rem
}

.section-heading-light .section-intro {
    color: #b7c6b7
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: #355346
}

.service-card {
    min-height: 330px;
    padding: 1.6rem;
    background: var(--deep);
    transition: background .2s ease
}

.service-card:hover {
    background: #1b4735
}

.service-number {
    display: block;
    margin-bottom: 4.5rem;
    color: var(--moss);
    font-size: .7rem;
    font-weight: 800;
    letter-spacing: .15em
}

.service-card h3 {
    max-width: 220px;
    margin: 0 0 .8rem;
    font-size: 1.35rem;
    letter-spacing: -.04em;
    line-height: 1.08
}

.service-card p {
    margin: 0 0 1.4rem;
    color: #afbeb0;
    font-size: .9rem
}

.service-card a {
    color: var(--lime);
    font-size: .78rem;
    font-weight: 750
}

.service-card a span {
    margin-left: .3rem
}

.audience-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid var(--line)
}

.audience-item {
    min-height: 170px;
    padding: 1.5rem 1rem 1.5rem 0;
    border-bottom: 1px solid var(--line)
}

.audience-item:nth-child(3n+2),
.audience-item:nth-child(3n+3) {
    padding-left: 1.5rem;
    border-left: 1px solid var(--line)
}

.audience-item span {
    color: #78994c
}

.audience-item h3 {
    max-width: 220px;
    margin: 3rem 0 0;
    font-size: 1.2rem;
    letter-spacing: -.04em;
    line-height: 1.05
}

.research-section {
    background: #e7ecd9
}

.research-grid {
    display: grid;
    grid-template-columns: .9fr 1.1fr;
    gap: 7rem
}

.research-section h2 {
    font-size: clamp(2.4rem, 4vw, 4.4rem)
}

.button-dark {
    margin-top: 2.5rem;
    background: var(--forest)
}

.research-list {
    border-top: 1px solid #bbc9ae
}

.research-list a {
    display: grid;
    grid-template-columns: 50px 1fr 30px;
    align-items: center;
    gap: 1rem;
    padding: 1.4rem 0;
    border-bottom: 1px solid #bbc9ae
}

.research-list span,
.research-list em {
    color: #77964d;
    font-size: .72rem;
    font-style: normal;
    font-weight: 800
}

.research-list strong {
    font-size: 1.25rem;
    letter-spacing: -.04em
}

.about-section {
    background: var(--white)
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    max-width: 900px;
    gap: 7rem;
    align-items: center
}

.about-copy h2 {
    font-size: clamp(2.5rem, 4vw, 4.5rem)
}

.about-copy p:not(.eyebrow) {
    max-width: 560px;
    color: var(--muted);
    font-size: 1.05rem
}

.text-link-dark {
    display: inline-block;
    margin-top: 1rem
}

.contact-section {
    padding: 7rem 0;
    color: var(--white);
    background: var(--forest)
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 7rem
}

.contact-section .eyebrow {
    color: var(--lime)
}

.contact-section h2 {
    font-size: clamp(3rem, 5vw, 5.8rem)
}

.contact-copy>p:not(.eyebrow) {
    max-width: 390px;
    color: #c0d0c1;
    font-size: 1.05rem
}

.contact-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid #64816c
}

.contact-details p {
    display: flex;
    flex-direction: column;
    gap: .35rem;
    margin: 0;
    color: #c0d0c1;
    font-size: .9rem
}

.contact-details strong {
    display: block;
    margin-bottom: .35rem;
    color: var(--lime);
    font-size: .7rem;
    letter-spacing: .12em;
    text-transform: uppercase
}

.contact-details a {
    color: var(--white)
}

.button-light {
    background: var(--lime);
    color: var(--forest);
    align-self: flex-start
}

.site-footer {
    background: #0c211a;
    color: #9bad9d
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 2rem 0;
    font-size: .72rem
}

.footer-content .logo {
    color: var(--white)
}

.footer-content p {
    margin: 0
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0
}

@media(max-width:900px) {
    .container {
        width: min(calc(100% - 3rem), var(--max))
    }

    .hero-grid,
    .statement-grid,
    .research-grid,
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3.5rem
    }

    .hero {
        padding-top: 6rem
    }

    .hero-visual {
        max-width: 620px
    }

    .service-grid {
        grid-template-columns: repeat(2, 1fr)
    }

    .about-grid {
        gap: 3rem
    }

    .contact-grid {
        gap: 4rem
    }
}

@media(max-width:700px) {
    .container {
        width: min(calc(100% - 2rem), var(--max))
    }

    .nav {
        min-height: 70px
    }

    .menu-toggle {
        display: block;
        color: var(--forest);
        cursor: pointer
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 62px;
        right: 0;
        left: 0;
        flex-direction: column;
        align-items: stretch;
        gap: .25rem;
        padding: .75rem;
        border: 1px solid var(--line);
        border-radius: 1rem;
        background: var(--white);
        box-shadow: 0 12px 30px rgba(16, 43, 34, .1)
    }

    .nav-links.is-open {
        display: flex
    }

    .nav-links a {
        display: block;
        padding: .65rem
    }

    .nav-cta {
        margin-top: .35rem;
        text-align: center
    }

    .hero {
        padding: 5rem 0 1rem
    }

    .hero h1 {
        font-size: clamp(3.3rem, 16vw, 5.4rem)
    }

    .hero-actions {
        align-items: flex-start;
        flex-direction: column;
        gap: 1.3rem
    }

    .hero-visual {
        min-height: 370px;
        padding: .8rem
    }

    .landscape {
        height: 315px
    }

    .hero-proof {
        align-items: flex-start;
        flex-direction: column;
        gap: .8rem;
        padding: 2.5rem 0 1.5rem
    }

    .section {
        padding: 5rem 0
    }

    .statement-grid,
    .research-grid,
    .about-grid,
    .contact-grid {
        gap: 2.5rem
    }

    .contact-details {
        grid-template-columns: 1fr
    }

    .contact-details p {
        gap: 0
    }

    .section-heading {
        align-items: flex-start;
        flex-direction: column;
        gap: 1.5rem;
        margin-bottom: 2.5rem
    }

    .section h2 {
        font-size: clamp(2.6rem, 12vw, 4rem)
    }

    .service-grid,
    .audience-grid {
        grid-template-columns: 1fr
    }

    .service-card {
        min-height: 260px
    }

    .service-number {
        margin-bottom: 2.5rem
    }

    .audience-item,
    .audience-item:nth-child(3n+2),
    .audience-item:nth-child(3n+3) {
        min-height: 130px;
        padding: 1.3rem 0;
        border-left: 0
    }

    .audience-item h3 {
        margin-top: 2rem
    }

    .research-list strong {
        font-size: 1rem
    }

    .contact-section {
        padding: 5rem 0
    }

    .footer-content {
        align-items: flex-start;
        flex-direction: column;
        gap: .7rem
    }
}

.page-hero {
    padding: 8rem 0 7rem;
    background: #e7ecd9
}

.narrow {
    max-width: 960px
}

.page-hero h1 {
    max-width: 900px;
    margin: 0 0 1.7rem;
    font-size: clamp(3.5rem, 7vw, 7rem);
    letter-spacing: -.095em;
    line-height: .88
}

.page-lede {
    max-width: 600px;
    margin: 0;
    color: var(--muted);
    font-size: 1.2rem
}

.service-detail-section {
    padding-top: 4rem
}

.service-detail {
    display: grid;
    grid-template-columns: 1fr 2.3fr;
    gap: 4rem;
    padding: 4rem 0;
    border-bottom: 1px solid var(--line)
}

.detail-index,
.case-tag {
    color: #78994c;
    font-size: .68rem;
    font-weight: 800;
    letter-spacing: .14em;
    text-transform: uppercase
}

.service-detail h2 {
    font-size: clamp(2.2rem, 4vw, 4rem)
}

.service-detail p {
    max-width: 640px;
    color: var(--muted);
    font-size: 1.1rem
}

.detail-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 2.5rem
}

.detail-columns h3 {
    font-size: .72rem;
    letter-spacing: .12em;
    text-transform: uppercase
}

.detail-columns ul {
    margin: 0;
    padding: 0;
    list-style: none;
    color: var(--muted)
}

.detail-columns li {
    padding: .55rem 0;
    border-bottom: 1px solid var(--line)
}

.cta-band {
    padding: 5rem 0;
    background: var(--forest);
    color: var(--white)
}

.cta-band-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem
}

.cta-band .eyebrow {
    color: var(--lime)
}

.cta-band h2 {
    max-width: 650px;
    font-size: clamp(2.4rem, 5vw, 5rem)
}

.theme-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    border-top: 1px solid var(--line)
}

.theme-grid a {
    padding: 2rem 2rem 2rem 0;
    border-bottom: 1px solid var(--line)
}

.theme-grid a:nth-child(even) {
    padding-left: 2rem;
    border-left: 1px solid var(--line)
}

.theme-grid span {
    color: #78994c;
    font-size: .7rem;
    font-weight: 800
}

.theme-grid h3 {
    max-width: 360px;
    margin: 3.5rem 0 .7rem;
    font-size: 1.7rem;
    letter-spacing: -.05em;
    line-height: 1
}

.theme-grid p {
    max-width: 370px;
    color: var(--muted)
}

.theme-grid b,
.publication-list a,
.case-body a {
    color: #567c39;
    font-size: .8rem
}

.publication-list {
    border-top: 1px solid var(--line)
}

.publication-list article {
    display: grid;
    grid-template-columns: .7fr 2fr 1fr;
    gap: 2rem;
    align-items: center;
    padding: 1.8rem 0;
    border-bottom: 1px solid var(--line)
}

.publication-list span {
    color: #78994c;
    font-size: .68rem;
    font-weight: 800;
    letter-spacing: .12em
}

.publication-list h3 {
    margin: 0;
    font-size: 1.25rem;
    letter-spacing: -.03em
}

.case-section {
    padding-top: 4rem
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem
}

.case-card {
    background: var(--white)
}

.case-card-featured {
    grid-column: span 2;
    display: grid;
    grid-template-columns: 1.1fr 1fr
}

.case-art {
    min-height: 280px;
    padding: 1.5rem;
    color: #e9f2d0;
    font-size: .72rem;
    font-weight: 800;
    letter-spacing: .12em;
    text-transform: uppercase
}

.case-art span {
    display: block
}

.case-art-carbon {
    background: linear-gradient(135deg, #91b572, #315c48 55%, #153d2d)
}

.case-art-energy {
    background: linear-gradient(145deg, #d2e0af, #789655 48%, #315b46)
}

.case-art-land {
    background: linear-gradient(145deg, #c4d7b8, #6b9470 45%, #28533f)
}

.case-art-risk {
    background: linear-gradient(145deg, #d5dcbb, #879d76 45%, #405e4b)
}

.case-body {
    padding: 2rem
}

.case-body h2 {
    margin: .8rem 0 1rem;
    font-size: clamp(1.7rem, 3vw, 2.7rem);
    letter-spacing: -.06em;
    line-height: 1
}

.case-card:not(.case-card-featured) .case-body h2 {
    font-size: 1.7rem
}

.case-body p {
    color: var(--muted)
}

.credential-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: #355346
}

.credential-grid div {
    display: flex;
    min-height: 150px;
    padding: 1.5rem;
    flex-direction: column;
    justify-content: space-between;
    background: var(--deep)
}

.credential-grid strong {
    color: var(--lime);
    font-size: 3.4rem;
    letter-spacing: -.08em;
    line-height: 1
}

.credential-grid span {
    color: #b7c6b7;
    font-size: .85rem
}