:root {
    --forest: #123d2a;
    --leaf: #177245;
    --leaf-dark: #0d5633;
    --mint: #dff5e7;
    --sky: #dff4f7;
    --sun: #f4c95d;
    --ink: #17231d;
    --muted: #5c6962;
    --line: #d8dfda;
    --surface: #f5f7f5;
    --white: #ffffff;
    --danger: #9f2d35;
    --shadow: 0 18px 55px rgba(18, 61, 42, 0.12);
    --shell: min(1180px, calc(100% - 40px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.oak-site {
    margin: 0;
    color: var(--ink);
    background: var(--white);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
body.oak-site.no-scroll { overflow: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
button, input, textarea, select { font: inherit; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.14; letter-spacing: 0; }
.site-shell { width: var(--shell); margin-inline: auto; }
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}
.skip-link {
    position: fixed;
    left: 16px;
    top: -60px;
    z-index: 2000;
    padding: 10px 14px;
    background: var(--white);
    color: var(--forest);
    border: 2px solid var(--forest);
}
.skip-link:focus { top: 12px; }

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(12px);
}
.site-header-inner {
    min-height: 74px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 28px;
}
.site-brand {
    display: inline-flex;
    align-items: center;
    color: var(--forest);
    text-decoration: none;
}
.site-brand img { width: 104px; height: auto; object-fit: contain; }
.site-navigation {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 24px;
}
.site-navigation a,
.text-link {
    color: #33443a;
    font-size: 0.94rem;
    font-weight: 650;
    text-decoration: none;
}
.site-navigation a:hover,
.site-navigation a[aria-current="page"],
.text-link:hover { color: var(--leaf); }
.site-actions { display: flex; align-items: center; gap: 16px; }
.menu-button {
    display: none;
    width: 44px;
    height: 44px;
    padding: 10px;
    border: 1px solid var(--line);
    background: var(--white);
    cursor: pointer;
}
.menu-button span:not(.sr-only) {
    display: block;
    width: 20px;
    height: 2px;
    margin: 4px auto;
    background: var(--forest);
}

.button {
    display: inline-flex;
    min-height: 46px;
    align-items: center;
    justify-content: center;
    padding: 10px 19px;
    border: 1px solid transparent;
    border-radius: 6px;
    font-weight: 750;
    text-align: center;
    text-decoration: none;
    transition: background 160ms ease, border-color 160ms ease, transform 160ms ease;
}
.button:hover { transform: translateY(-1px); }
.button-primary { color: var(--white); background: var(--leaf); }
.button-primary:hover { background: var(--leaf-dark); }
.button-secondary { color: var(--forest); background: var(--white); border-color: #aebdb4; }
.button-secondary:hover { border-color: var(--leaf); }
.button-light { color: var(--forest); background: var(--white); }
.button-group { display: flex; flex-wrap: wrap; gap: 12px; }
.eyebrow {
    margin-bottom: 18px;
    color: var(--leaf-dark);
    font-size: 0.78rem;
    font-weight: 850;
    letter-spacing: 0;
    text-transform: uppercase;
}
.section-heading {
    max-width: 760px;
    margin-bottom: 42px;
}
.section-heading h2 {
    margin-bottom: 14px;
    color: var(--forest);
    font-size: 3rem;
}
.section-heading p { color: var(--muted); font-size: 1.08rem; }

.hero {
    position: relative;
    min-height: 760px;
    overflow: hidden;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
}
.hero-copy {
    position: relative;
    z-index: 2;
    max-width: 870px;
    padding: 82px 0 38px;
}
.hero h1,
.page-hero h1 {
    max-width: 780px;
    margin-bottom: 24px;
    color: var(--forest);
    font-size: 3.65rem;
    font-weight: 820;
}
.hero .hero-lead,
.page-hero .hero-lead {
    max-width: 760px;
    margin-bottom: 30px;
    color: #3f5047;
    font-size: 1.3rem;
}
.trust-line {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    margin-top: 24px;
    color: #425349;
    font-size: 0.9rem;
    font-weight: 650;
}
.trust-line span::before {
    content: "";
    display: inline-block;
    width: 8px;
    height: 8px;
    margin-right: 8px;
    border-radius: 50%;
    background: var(--leaf);
}
.hero-product {
    position: relative;
    width: min(1080px, calc(100% - 40px));
    margin: 0 auto -125px;
}
.hero-product picture { display: block; }
.hero-product img {
    width: 100%;
    filter: drop-shadow(0 30px 45px rgba(18, 61, 42, 0.2));
}
.hero-note {
    position: absolute;
    right: 4%;
    top: 8%;
    width: 220px;
    padding: 15px 17px;
    background: var(--sky);
    border-left: 4px solid #2c8b99;
    box-shadow: var(--shadow);
    font-size: 0.9rem;
    font-weight: 720;
}

.proof-band { padding: 165px 0 62px; background: var(--white); }
.proof-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-block: 1px solid var(--line);
}
.proof-item { padding: 28px 22px; border-right: 1px solid var(--line); }
.proof-item:last-child { border-right: 0; }
.proof-item strong { display: block; margin-bottom: 5px; color: var(--forest); font-size: 1.1rem; }
.proof-item span { color: var(--muted); font-size: 0.92rem; }

.content-band { padding: 86px 0; }
.content-band-muted { background: var(--surface); }
.content-band-dark { color: var(--white); background: var(--forest); }
.content-band-dark .section-heading h2,
.content-band-dark h2,
.content-band-dark h3 { color: var(--white); }
.content-band-dark .section-heading p,
.content-band-dark p { color: #d7e8de; }
.feature-grid,
.problem-grid,
.resource-grid,
.audience-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}
.feature-card,
.problem-card,
.resource-card,
.audience-card {
    min-height: 100%;
    padding: 27px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
}
.feature-card:nth-child(3n + 2) { border-top: 4px solid #2c8b99; }
.feature-card:nth-child(3n + 3) { border-top: 4px solid var(--sun); }
.feature-card:nth-child(3n + 1) { border-top: 4px solid var(--leaf); }
.feature-card h3,
.problem-card h3,
.resource-card h3,
.audience-card h3 { margin-bottom: 10px; color: var(--forest); font-size: 1.2rem; }
.feature-card p,
.problem-card p,
.resource-card p,
.audience-card p { margin-bottom: 0; color: var(--muted); }
.card-link {
    display: inline-block;
    margin-top: 18px;
    color: var(--leaf-dark);
    font-weight: 760;
    text-decoration: underline;
    text-underline-offset: 4px;
}
.card-link:hover { color: var(--forest); }
.resource-link {
    display: flex;
    min-height: 92px;
    padding: 22px;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    color: var(--forest);
    background: var(--white);
    border: 1px solid var(--line);
    border-top: 4px solid var(--leaf);
    border-radius: 6px;
    font-weight: 780;
    text-decoration: none;
}
.resource-link:nth-child(3n + 2) { border-top-color: #2c8b99; }
.resource-link:nth-child(3n + 3) { border-top-color: var(--sun); }
.resource-link:hover { color: var(--leaf-dark); border-color: #b8c9be; }

.story-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(360px, 0.92fr);
    align-items: center;
    gap: 72px;
}
.story-grid-reverse .story-media { order: -1; }
.story-copy h2 { margin-bottom: 18px; color: var(--forest); font-size: 3rem; }
.story-copy p { color: var(--muted); font-size: 1.05rem; }
.story-list { display: grid; gap: 14px; margin: 28px 0; padding: 0; list-style: none; }
.story-list li {
    position: relative;
    padding-left: 27px;
    color: #34463c;
    font-weight: 650;
}
.story-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 11px;
    height: 7px;
    border-left: 2px solid var(--leaf);
    border-bottom: 2px solid var(--leaf);
    transform: rotate(-45deg);
}
.story-media { position: relative; }
.story-media img { width: 100%; filter: drop-shadow(0 24px 30px rgba(18, 61, 42, 0.15)); }
.story-media-label {
    position: absolute;
    left: 0;
    bottom: 18px;
    padding: 10px 14px;
    background: var(--white);
    border-left: 4px solid var(--sun);
    box-shadow: 0 10px 25px rgba(18, 61, 42, 0.16);
    color: var(--forest);
    font-weight: 750;
}

.page-hero { padding: 86px 0 64px; background: var(--surface); border-bottom: 1px solid var(--line); }
.page-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(360px, 0.9fr);
    align-items: center;
    gap: 56px;
}
.page-hero h1 { font-size: 3.35rem; }
.page-hero-media img { width: 100%; filter: drop-shadow(0 24px 35px rgba(18, 61, 42, 0.16)); }
.breadcrumb { margin-bottom: 22px; color: var(--muted); font-size: 0.9rem; }
.breadcrumb a { color: var(--leaf-dark); }
.outcomes {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 30px;
    margin: 30px 0 0;
    padding: 0;
    list-style: none;
}
.outcomes li { padding: 12px 0; border-bottom: 1px solid var(--line); color: #34463c; font-weight: 680; }

.steps { counter-reset: step; display: grid; gap: 0; }
.step {
    counter-increment: step;
    display: grid;
    grid-template-columns: 70px 1fr;
    gap: 26px;
    padding: 30px 0;
    border-bottom: 1px solid var(--line);
}
.step::before {
    content: counter(step, decimal-leading-zero);
    color: var(--leaf);
    font-size: 1.55rem;
    font-weight: 850;
}
.step h3 { margin-bottom: 8px; color: var(--forest); font-size: 1.4rem; }
.step p { margin-bottom: 0; color: var(--muted); }

.faq-list { max-width: 900px; border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary {
    position: relative;
    padding: 22px 48px 22px 0;
    color: var(--forest);
    font-size: 1.08rem;
    font-weight: 760;
    cursor: pointer;
    list-style: none;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
    content: "+";
    position: absolute;
    right: 4px;
    top: 17px;
    font-size: 1.5rem;
    font-weight: 400;
}
.faq-list details[open] summary::after { content: "-"; }
.faq-list details p { max-width: 760px; padding: 0 0 22px; color: var(--muted); }

.cta-band { padding: 72px 0; background: var(--mint); border-block: 1px solid #c4dfce; }
.cta-inner {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 40px;
}
.cta-inner h2 { margin-bottom: 10px; color: var(--forest); font-size: 3.1rem; }
.cta-inner p { margin-bottom: 0; color: #3f584a; font-size: 1.08rem; }

.pricing-wrap { max-width: 900px; }
.pricing-row {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: start;
    gap: 30px;
    padding: 34px 0;
    border-bottom: 1px solid var(--line);
}
.pricing-row:first-child { border-top: 1px solid var(--line); }
.price { color: var(--forest); font-size: 2.2rem; font-weight: 850; white-space: nowrap; }
.price small { display: block; color: var(--muted); font-size: 0.82rem; font-weight: 600; }

.quote-block {
    max-width: 900px;
    margin: 0;
    padding-left: 30px;
    border-left: 5px solid var(--sun);
}
.quote-block p { margin-bottom: 18px; color: var(--white); font-size: 2.35rem; line-height: 1.35; }
.quote-block cite { color: #bcd6c7; font-style: normal; }

.contact-grid {
    display: grid;
    grid-template-columns: 0.72fr 1.28fr;
    gap: 70px;
}
.contact-details { display: grid; gap: 26px; }
.contact-details h2 { margin-bottom: 6px; color: var(--forest); font-size: 1rem; }
.contact-details p { color: var(--muted); }
.contact-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.field { display: grid; gap: 7px; }
.field-full { grid-column: 1 / -1; }
.field label { color: #32453a; font-weight: 700; }
.field input,
.field textarea {
    width: 100%;
    padding: 12px 13px;
    color: var(--ink);
    border: 1px solid #b8c4bd;
    border-radius: 5px;
    background: var(--white);
}
.field input:focus,
.field textarea:focus { outline: 3px solid rgba(23, 114, 69, 0.18); border-color: var(--leaf); }
.field textarea { min-height: 150px; resize: vertical; }
.checkbox-field { display: flex; gap: 10px; align-items: flex-start; }
.checkbox-field input { width: 18px; height: 18px; margin-top: 4px; }
.form-alert { grid-column: 1 / -1; padding: 13px 15px; border-left: 4px solid var(--leaf); background: var(--mint); }
.form-alert-error { border-color: var(--danger); background: #fae9eb; }
.honeypot { position: absolute !important; left: -10000px !important; width: 1px; height: 1px; overflow: hidden; }
.optional { color: var(--muted); font-size: 0.82rem; font-weight: 500; }
.narrow-shell { max-width: 900px; }
.editorial-hero { text-align: left; }
.editorial-hero .hero-lead { max-width: 760px; }
.price-display { display: flex; align-items: baseline; gap: 14px; margin: 28px 0; }
.price-display strong { color: var(--forest); font-size: 5.5rem; line-height: 1; }
.price-display span { color: var(--muted); font-weight: 700; }
.inline-link { color: var(--leaf); font-weight: 750; text-underline-offset: 4px; }
.feature-card .inline-link { display: inline-block; margin-top: 16px; }
.quote-band { padding: 58px 0; color: var(--white); background: var(--forest); }
.quote-band blockquote { margin: 0 0 14px; font-size: 2.15rem; line-height: 1.4; }
.quote-band p { color: #cce1d4; font-weight: 700; }

.site-footer { color: #e6efe9; background: #0d2e20; }
.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr repeat(3, 1fr);
    gap: 56px;
    padding: 70px 0 48px;
}
.site-footer h2 { margin-bottom: 16px; color: var(--white); font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0; }
.site-footer a { display: block; width: fit-content; margin-bottom: 10px; color: #ccded3; text-decoration: none; }
.site-footer a:hover { color: var(--white); text-decoration: underline; text-underline-offset: 4px; }
.site-brand-light { color: var(--white); }
.site-brand-light img { filter: brightness(0) invert(1); opacity: 0.92; }
.footer-brand p { max-width: 390px; color: #bcd0c4; }
.footer-legal { font-size: 0.82rem; }
.footer-bottom {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding: 22px 0 30px;
    border-top: 1px solid rgba(255,255,255,0.16);
    color: #a9beb2;
    font-size: 0.86rem;
}
.footer-bottom div { display: flex; gap: 22px; }
.footer-bottom a { display: inline; margin: 0; }

@media (max-width: 980px) {
    :root { --shell: min(100% - 32px, 760px); }
    .site-header-inner { grid-template-columns: 1fr auto; }
    .menu-button { display: block; }
    .site-actions { display: none; }
    .site-navigation {
        display: none;
        position: fixed;
        inset: 74px 0 auto;
        min-height: calc(100vh - 74px);
        padding: 28px 24px;
        background: var(--white);
        align-items: flex-start;
        flex-direction: column;
        gap: 8px;
    }
    .site-navigation.is-open { display: flex; }
    .site-navigation a { width: 100%; padding: 13px 0; border-bottom: 1px solid var(--line); font-size: 1.08rem; }
    .hero { min-height: 680px; }
    .hero-copy { padding-top: 66px; }
    .hero-product { margin-bottom: -70px; }
    .hero-note { display: none; }
    .proof-band { padding-top: 110px; }
    .proof-grid { grid-template-columns: repeat(2, 1fr); }
    .proof-item:nth-child(2) { border-right: 0; }
    .proof-item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
    .feature-grid, .problem-grid, .resource-grid, .audience-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .story-grid, .page-hero-grid, .contact-grid { grid-template-columns: 1fr; gap: 45px; }
    .story-grid-reverse .story-media { order: 0; }
    .page-hero-media { max-width: 650px; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 620px) {
    :root { --shell: calc(100% - 28px); }
    .site-header-inner { min-height: 66px; }
    .site-navigation { inset: 66px 0 auto; min-height: calc(100vh - 66px); }
    .site-brand img { width: 92px; }
    .hero { min-height: 600px; }
    .hero-copy { padding: 48px 0 30px; }
    .hero h1, .page-hero h1 { font-size: 2.45rem; }
    .section-heading h2, .story-copy h2, .cta-inner h2 { font-size: 2.25rem; }
    .hero .hero-lead, .page-hero .hero-lead { font-size: 1.08rem; }
    .quote-block p, .quote-band blockquote { font-size: 1.55rem; }
    .price-display strong { font-size: 3.5rem; }
    .button-group { display: grid; grid-template-columns: 1fr; }
    .button { width: 100%; }
    .trust-line { display: grid; gap: 8px; }
    .hero-product { width: calc(100% - 12px); margin-bottom: -34px; }
    .proof-band { padding-top: 76px; }
    .proof-grid { grid-template-columns: 1fr; }
    .proof-item { border-right: 0; border-bottom: 1px solid var(--line); }
    .proof-item:last-child { border-bottom: 0; }
    .content-band { padding: 62px 0; }
    .feature-grid, .problem-grid, .resource-grid, .audience-grid { grid-template-columns: 1fr; }
    .page-hero { padding: 55px 0 48px; }
    .page-hero-grid { gap: 34px; }
    .page-hero-media { min-width: 0; }
    .outcomes { grid-template-columns: 1fr; }
    .step { grid-template-columns: 48px 1fr; gap: 12px; }
    .cta-inner { grid-template-columns: 1fr; gap: 26px; }
    .pricing-row { grid-template-columns: 1fr; gap: 8px; }
    .contact-form { grid-template-columns: 1fr; }
    .field-full { grid-column: auto; }
    .footer-grid { grid-template-columns: 1fr; gap: 34px; }
    .footer-brand { grid-column: auto; }
    .footer-bottom { align-items: flex-start; flex-direction: column; }
    .footer-bottom div { flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
}