:root {
    --sus-green: #173f2a;
    --sus-green-2: #2f5a3d;
    --sus-orange: #f47a20;
    --sus-ink: #18211c;
    --sus-text: #333333;
    --sus-offwhite: #f7f8f4;
    --sus-border: #dce4dc;
}

body.ob-sustainability-page {
    background: #fff;
    color: var(--sus-text);
    font-family: Poppins, Arial, sans-serif;
}

.ob-sustain-header {
    background: #fff;
    border-bottom: 1px solid #edf0eb;
    min-height: 72px;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.ob-sustain-header__inner {
    align-items: center;
    display: flex;
    justify-content: space-between;
    margin: 0 auto;
    max-width: 1320px;
    min-height: 72px;
    padding: 10px 28px;
}

.ob-sustain-brand img {
    display: block;
    height: auto;
    max-height: 52px;
    width: 139px;
}

.ob-sustain-nav {
    align-items: center;
    display: flex;
    gap: 25px;
}

.ob-sustain-nav a {
    color: var(--sus-ink);
    font-size: 0.83rem;
    font-weight: 600;
    position: relative;
    text-decoration: none;
    transition: color 180ms ease;
}

.ob-sustain-nav a:not(.ob-sustain-contact)::after {
    background: var(--sus-orange);
    bottom: -8px;
    content: '';
    height: 2px;
    left: 0;
    position: absolute;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 180ms ease;
    width: 100%;
}

.ob-sustain-nav a:hover,
.ob-sustain-nav a[aria-current='page'] {
    color: var(--sus-orange);
}

.ob-sustain-nav a:hover::after,
.ob-sustain-nav a[aria-current='page']::after {
    transform: scaleX(1);
}

.ob-sustain-nav .ob-sustain-contact {
    background: var(--sus-orange);
    color: #fff;
    padding: 12px 17px;
}

.ob-sustain-nav .ob-sustain-contact:hover {
    background: #c86419;
    color: #fff;
}

.ob-sustain-menu {
    background: transparent;
    border: 0;
    color: var(--sus-green);
    display: none;
    font-size: 1.35rem;
    padding: 8px;
}

.ob-sustain-main {
    overflow: hidden;
}

.ob-sustain-hero {
    align-items: center;
    background-image: url('../img/sustainability-seedling.png');
    background-position: center;
    background-size: cover;
    display: flex;
    min-height: 420px;
    position: relative;
}

.ob-sustain-hero::before {
    background: rgba(23, 63, 42, 0.82);
    content: '';
    inset: 0;
    position: absolute;
}

.ob-sustain-shell {
    margin: 0 auto;
    max-width: 1240px;
    padding-left: 28px;
    padding-right: 28px;
    width: 100%;
}

.ob-sustain-hero__content {
    max-width: 650px;
    position: relative;
    z-index: 1;
}

.ob-sustain-hero h1 {
    color: #fff;
    font-size: clamp(2.6rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.08;
    margin: 0 0 18px;
}

.ob-sustain-hero p {
    color: #fff;
    font-size: 1.16rem;
    line-height: 1.62;
    margin: 0 0 28px;
    max-width: 620px;
}

.ob-sustain-hero__accent {
    background: var(--sus-orange);
    height: 4px;
    margin: 24px 0 0;
    width: 72px;
}

.ob-sustain-button {
    align-items: center;
    background: var(--sus-orange);
    border: 2px solid var(--sus-orange);
    color: #fff;
    display: inline-flex;
    font-size: 0.9rem;
    font-weight: 700;
    gap: 10px;
    justify-content: center;
    min-height: 48px;
    padding: 12px 18px;
    text-decoration: none;
    transition: background-color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.ob-sustain-button:hover,
.ob-sustain-button:focus-visible {
    background: #c86419;
    border-color: #c86419;
    color: #fff;
    transform: translateY(-2px);
}

.ob-sustain-section {
    padding: 92px 0;
}

.ob-sustain-section--offwhite {
    background: var(--sus-offwhite);
}

.ob-sustain-eyebrow {
    color: var(--sus-ink);
    font-size: 0.8rem;
    font-weight: 700;
    margin: 0 0 12px;
    text-transform: uppercase;
}

.ob-sustain-title {
    color: var(--sus-green);
    font-size: clamp(2rem, 3.8vw, 3.25rem);
    font-weight: 700;
    line-height: 1.12;
    margin: 0;
}

.ob-sustain-title::after {
    background: var(--sus-orange);
    content: '';
    display: block;
    height: 4px;
    margin-top: 18px;
    width: 56px;
}

.ob-sustain-intro {
    color: var(--sus-text);
    font-size: 1.04rem;
    line-height: 1.75;
    margin: 22px 0 0;
    max-width: 760px;
}

.ob-sustain-overview {
    align-items: center;
    display: grid;
    gap: 68px;
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
}

.ob-sustain-overview__image,
.ob-sustain-impact__image {
    min-height: 500px;
    overflow: hidden;
}

.ob-sustain-overview__image img,
.ob-sustain-impact__image img {
    height: 100%;
    object-fit: cover;
    width: 100%;
}

.ob-sustain-overview__copy > p {
    color: var(--sus-text);
    font-size: 1.03rem;
    line-height: 1.72;
    margin: 22px 0 32px;
}

.ob-sustain-values {
    display: grid;
    gap: 18px;
}

.ob-sustain-value {
    align-items: flex-start;
    border-top: 1px solid var(--sus-border);
    display: grid;
    gap: 16px;
    grid-template-columns: 48px 1fr;
    padding-top: 18px;
}

.ob-sustain-icon {
    align-items: center;
    background: #fff1e8;
    border: 1px solid rgba(244, 122, 32, 0.22);
    border-radius: 50%;
    box-shadow: 0 10px 22px rgba(23, 63, 42, 0.08);
    color: var(--sus-orange);
    display: inline-flex;
    font-size: 1.15rem;
    height: 46px;
    justify-content: center;
    width: 46px;
}

.ob-sustain-value:nth-child(2) .ob-sustain-icon,
.ob-sustain-value:nth-child(3) .ob-sustain-icon {
    background: #edf4ed;
    border-color: rgba(23, 63, 42, 0.18);
    color: var(--sus-green);
}

.ob-sustain-value h3,
.ob-sustain-why-card h3,
.ob-sustain-focus-card h3,
.ob-sustain-policy-card h3,
.ob-sustain-impact-point h3 {
    color: var(--sus-green);
    font-size: 1.12rem;
    font-weight: 700;
    margin: 3px 0 6px;
}

.ob-sustain-value p,
.ob-sustain-why-card p,
.ob-sustain-focus-card p,
.ob-sustain-policy-card p,
.ob-sustain-impact-point p {
    color: var(--sus-text);
    font-size: 0.95rem;
    line-height: 1.55;
    margin: 0;
}

.ob-sustain-section-head {
    margin-bottom: 48px;
}

.ob-sustain-why-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.ob-sustain-why-card {
    min-height: 230px;
    padding: 8px 28px 8px 0;
}

.ob-sustain-why-card + .ob-sustain-why-card {
    border-left: 1px solid var(--sus-border);
    padding-left: 28px;
}

.ob-sustain-why-card .ob-sustain-icon,
.ob-sustain-focus-card .ob-sustain-icon,
.ob-sustain-policy-card .ob-sustain-icon {
    color: var(--sus-orange);
    margin-bottom: 18px;
}

.ob-sustain-framework {
    background: var(--sus-green);
    color: #fff;
    padding: 92px 0;
}

.ob-sustain-framework .ob-sustain-eyebrow,
.ob-sustain-framework .ob-sustain-title,
.ob-sustain-framework .ob-sustain-intro {
    color: #fff;
}

.ob-sustain-framework .ob-sustain-title::after {
    background: var(--sus-orange);
}

.ob-sustain-framework .ob-sustain-intro {
    max-width: 720px;
}

.ob-sustain-steps {
    display: grid;
    gap: 18px;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    margin-top: 54px;
    position: relative;
}

.ob-sustain-steps::before {
    background: var(--sus-orange);
    content: '';
    height: 2px;
    left: 10%;
    position: absolute;
    right: 10%;
    top: 32px;
}

.ob-sustain-step {
    position: relative;
    text-align: center;
    z-index: 1;
}

.ob-sustain-step__icon {
    align-items: center;
    background: var(--sus-green);
    border: 2px solid var(--sus-orange);
    border-radius: 50%;
    color: #fff;
    display: flex;
    font-size: 1.15rem;
    height: 66px;
    justify-content: center;
    margin: 0 auto 20px;
    width: 66px;
}

.ob-sustain-step h3 {
    color: #fff;
    font-size: 1.12rem;
    font-weight: 700;
    margin: 0 0 8px;
}

.ob-sustain-step p {
    color: rgba(255, 255, 255, 0.82);
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0;
}

.ob-sustain-focus-grid,
.ob-sustain-policy-grid {
    display: grid;
    gap: 20px;
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.ob-sustain-focus-card,
.ob-sustain-policy-card {
    background: #fff;
    border: 1px solid var(--sus-border);
    border-radius: 8px;
    min-height: 245px;
    padding: 28px;
    transition: border-color 200ms ease, box-shadow 200ms ease, transform 200ms ease;
}

.ob-sustain-focus-card:hover,
.ob-sustain-policy-card:hover {
    border-color: var(--sus-orange);
    box-shadow: 0 16px 30px rgba(24, 33, 28, 0.1);
    transform: translateY(-5px);
}

.ob-sustain-focus-card:hover .ob-sustain-icon,
.ob-sustain-policy-card:hover .ob-sustain-icon {
    background: #fff0e5;
}

.ob-sustain-impact {
    align-items: stretch;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
}

.ob-sustain-impact__copy {
    background: var(--sus-offwhite);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 76px clamp(32px, 7vw, 110px);
}

.ob-sustain-impact__copy > p {
    color: var(--sus-text);
    font-size: 1.03rem;
    line-height: 1.72;
    margin: 22px 0 32px;
}

.ob-sustain-impact__image {
    min-height: 560px;
}

.ob-sustain-impact__image img {
    object-position: 68% center;
}

.ob-sustain-impact-points {
    display: grid;
    gap: 16px;
}

.ob-sustain-impact-point {
    align-items: flex-start;
    display: grid;
    gap: 18px;
    grid-template-columns: 46px 1fr;
}

.ob-sustain-impact-point > i {
    align-items: center;
    background: #fff1e8;
    border: 1px solid rgba(244, 122, 32, 0.22);
    border-radius: 50%;
    box-shadow: 0 10px 22px rgba(23, 63, 42, 0.08);
    color: var(--sus-orange);
    display: inline-flex;
    font-size: 1.12rem;
    height: 42px;
    justify-content: center;
    margin-top: 0;
    width: 42px;
}

.ob-sustain-policy-card {
    display: flex;
    flex-direction: column;
    min-height: 200px;
}

.ob-sustain-policy-card a {
    align-items: center;
    color: var(--sus-orange);
    display: inline-flex;
    font-size: 0.85rem;
    font-weight: 700;
    gap: 8px;
    margin-top: auto;
    text-decoration: none;
}

.ob-sustain-reveal {
    transition: opacity 420ms ease-out, transform 420ms ease-out;
}

.ob-sustain-reveal.is-pending {
    opacity: 0;
    transform: translateY(24px);
}

.ob-sustain-reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 1100px) {
    .ob-sustain-nav { gap: 15px; }
    .ob-sustain-nav a { font-size: 0.76rem; }
    .ob-sustain-overview { gap: 42px; }
    .ob-sustain-focus-grid,
    .ob-sustain-policy-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
    .ob-sustain-menu { display: block; }
    .ob-sustain-nav {
        background: #fff;
        border-top: 1px solid var(--sus-border);
        display: none;
        left: 0;
        padding: 20px 28px 24px;
        position: absolute;
        right: 0;
        top: 72px;
    }
    .ob-sustain-nav.is-open { display: grid; gap: 18px; }
    .ob-sustain-nav a { font-size: 0.92rem; }
    .ob-sustain-nav .ob-sustain-contact { text-align: center; width: max-content; }
    .ob-sustain-overview { grid-template-columns: 1fr; }
    .ob-sustain-overview__image { min-height: 380px; }
    .ob-sustain-why-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .ob-sustain-why-card:nth-child(3) { border-left: 0; padding-left: 0; }
    .ob-sustain-why-card:nth-child(n+3) { border-top: 1px solid var(--sus-border); padding-top: 28px; }
    .ob-sustain-steps { grid-template-columns: 1fr; margin-top: 42px; }
    .ob-sustain-steps::before { bottom: 7%; height: auto; left: 32px; right: auto; top: 7%; width: 2px; }
    .ob-sustain-step { display: grid; gap: 18px; grid-template-columns: 66px 1fr; text-align: left; }
    .ob-sustain-step__icon { margin: 0; }
    .ob-sustain-step > div { padding-top: 7px; }
    .ob-sustain-impact { grid-template-columns: 1fr; }
    .ob-sustain-impact__image { min-height: 430px; order: -1; }
}

@media (max-width: 575px) {
    .ob-sustain-header__inner { padding: 10px 20px; }
    .ob-sustain-shell { padding-left: 24px; padding-right: 24px; }
    .ob-sustain-hero { min-height: 290px; }
    .ob-sustain-hero h1 { font-size: 2rem; }
    .ob-sustain-hero p { font-size: 0.98rem; }
    .ob-sustain-section { padding: 64px 0; }
    .ob-sustain-title { font-size: 2rem; }
    .ob-sustain-overview__image { min-height: 320px; }
    .ob-sustain-why-grid,
    .ob-sustain-focus-grid,
    .ob-sustain-policy-grid { grid-template-columns: 1fr; }
    .ob-sustain-why-card,
    .ob-sustain-why-card + .ob-sustain-why-card { border-left: 0; border-top: 1px solid var(--sus-border); min-height: 0; padding: 24px 0; }
    .ob-sustain-why-card:first-child { border-top: 0; padding-top: 0; }
    .ob-sustain-focus-card,
    .ob-sustain-policy-card { min-height: 0; }
    .ob-sustain-impact__copy { padding: 56px 24px; }
    .ob-sustain-impact__image { min-height: 340px; }
}

@media (prefers-reduced-motion: reduce) {
    .ob-sustain-reveal,
    .ob-sustain-reveal.is-pending,
    .ob-sustain-focus-card,
    .ob-sustain-policy-card,
    .ob-sustain-button {
        opacity: 1;
        transform: none;
        transition: none;
    }
}