:root {

    --primary: #2e7d32;

    --primary-dark: #1b5e20;

    --primary-light: #e8f5e9;

    --text: #263238;

    --muted: #607d8b;

    --background: #f7f8f4;

    --surface: #ffffff;

    --border: #e2e8e3;

    --shadow:
        0 12px 35px rgba(38, 50, 56, 0.08);

    --radius: 18px;

}


* {
    box-sizing: border-box;
}


html {
    scroll-behavior: smooth;
}


body {

    margin: 0;

    font-family:
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        Roboto,
        Arial,
        sans-serif;

    color: var(--text);

    background: var(--background);

    line-height: 1.7;

}


a {

    color: var(--primary);

    text-decoration: none;

}


a:hover {

    text-decoration: underline;

}


.container {

    width: min(
        1120px,
        calc(100% - 40px)
    );

    margin: 0 auto;

}


/* Header */

.site-header {

    position: sticky;

    top: 0;

    z-index: 10;

    background:
        rgba(255, 255, 255, 0.94);

    backdrop-filter: blur(12px);

    border-bottom:
        1px solid var(--border);

}


.nav {

    min-height: 72px;

    display: flex;

    align-items: center;

    justify-content: space-between;

    gap: 24px;

}


.brand {

    display: inline-flex;

    align-items: center;

    gap: 11px;

    font-weight: 800;

    color: var(--text);

    font-size: 1.15rem;

}


.brand:hover {
    text-decoration: none;
}


.brand-mark {

    width: 42px;

    height: 42px;

    border-radius: 13px;

    display: grid;

    place-items: center;

    background: var(--primary);

    color: white;

    font-size: 23px;

    box-shadow:
        0 6px 15px
        rgba(46, 125, 50, 0.22);

}


.nav-links {

    display: flex;

    gap: 7px;

    align-items: center;

    flex-wrap: wrap;

}


.nav-links a {

    padding: 8px 12px;

    border-radius: 10px;

    color: #455a64;

    font-weight: 600;

    font-size: 0.94rem;

}


.nav-links a:hover,
.nav-links a.active {

    background: var(--primary-light);

    color: var(--primary-dark);

    text-decoration: none;

}


/* Hero */

.hero {

    padding: 92px 0 82px;

}


.hero-grid {

    display: grid;

    grid-template-columns:
        1.12fr 0.88fr;

    gap: 55px;

    align-items: center;

}


.eyebrow {

    display: inline-flex;

    padding: 7px 12px;

    border-radius: 999px;

    background: var(--primary-light);

    color: var(--primary-dark);

    font-weight: 800;

    font-size: 0.82rem;

    letter-spacing: 0.03em;

}


h1 {

    margin: 18px 0;

    font-size:
        clamp(2.6rem, 6vw, 4.8rem);

    line-height: 1.05;

    letter-spacing: -0.045em;

}


.hero h1 span {

    color: var(--primary);

}


.lead {

    font-size: 1.16rem;

    color: var(--muted);

    max-width: 650px;

}


.actions {

    display: flex;

    gap: 12px;

    flex-wrap: wrap;

    margin-top: 28px;

}


.button {

    display: inline-flex;

    align-items: center;

    justify-content: center;

    min-height: 48px;

    padding: 0 20px;

    border-radius: 12px;

    font-weight: 800;

    border: 1px solid transparent;

}


.button:hover {

    text-decoration: none;

    transform: translateY(-1px);

}


.button-primary {

    background: var(--primary);

    color: #fff;

}


.button-secondary {

    background: #fff;

    color: var(--primary-dark);

    border-color: var(--border);

}


/* Family tree card */

.tree-card {

    min-height: 390px;

    border-radius: 28px;

    background: var(--surface);

    box-shadow: var(--shadow);

    border: 1px solid var(--border);

    padding: 28px;

    position: relative;

    overflow: hidden;

}


.tree-card::before {

    content: "";

    position: absolute;

    width: 260px;

    height: 260px;

    border-radius: 50%;

    background: var(--primary-light);

    right: -80px;

    top: -80px;

}


.tree-title {

    position: relative;

    font-weight: 800;

    font-size: 1.05rem;

}


.tree-visual {

    position: relative;

    height: 300px;

    display: grid;

    place-items: center;

}


.tree-trunk {

    position: absolute;

    width: 12px;

    height: 205px;

    background: #8d6e63;

    bottom: 22px;

    border-radius: 8px;

}


.branch {

    position: absolute;

    height: 8px;

    background: #8d6e63;

    border-radius: 8px;

    transform-origin: left center;

}


.b1 {

    width: 105px;

    transform: rotate(-28deg);

    top: 105px;

    left: 50%;

}


.b2 {

    width: 105px;

    transform: rotate(28deg);

    top: 105px;

    left: 50%;

}


.b3 {

    width: 85px;

    transform: rotate(-48deg);

    top: 153px;

    left: 50%;

}


.b4 {

    width: 85px;

    transform: rotate(48deg);

    top: 153px;

    left: 50%;

}


.person {

    position: absolute;

    width: 64px;

    height: 64px;

    border-radius: 50%;

    display: grid;

    place-items: center;

    background: #fff;

    border: 4px solid var(--primary);

    color: var(--primary-dark);

    font-size: 26px;

    box-shadow:
        0 8px 20px
        rgba(38, 50, 56, 0.12);

}


.p1 {

    top: 45px;

    left: 50%;

    transform: translateX(-50%);

}


.p2 {

    top: 92px;

    left: 25%;

}


.p3 {

    top: 92px;

    right: 25%;

}


.p4 {

    top: 168px;

    left: 17%;

}


.p5 {

    top: 168px;

    right: 17%;

}


/* Sections */

.section {

    padding: 82px 0;

}


.section-alt {

    background: #fff;

}


.section-heading {

    max-width: 700px;

    margin-bottom: 38px;

}


.section-heading h2 {

    margin: 0 0 10px;

    font-size:
        clamp(2rem, 4vw, 2.8rem);

    line-height: 1.15;

}


.section-heading p {

    margin: 0;

    color: var(--muted);

}


/* Feature cards */

.features {

    display: grid;

    grid-template-columns:
        repeat(3, 1fr);

    gap: 18px;

}


.card {

    background: var(--surface);

    border: 1px solid var(--border);

    border-radius: var(--radius);

    padding: 25px;

    box-shadow:
        0 5px 20px
        rgba(38, 50, 56, 0.04);

}


.feature-icon {

    width: 48px;

    height: 48px;

    border-radius: 14px;

    display: grid;

    place-items: center;

    background: var(--primary-light);

    font-size: 23px;

    margin-bottom: 17px;

}


.card h3 {

    margin: 0 0 8px;

    font-size: 1.13rem;

}


.card p {

    margin: 0;

    color: var(--muted);

}


/* CTA */

.cta {

    background: var(--primary-dark);

    color: white;

    border-radius: 28px;

    padding: 48px;

    display: flex;

    align-items: center;

    justify-content: space-between;

    gap: 25px;

}


.cta h2 {

    margin: 0 0 8px;

    font-size: 2rem;

}


.cta p {

    margin: 0;

    opacity: 0.86;

}


.cta .button-secondary {

    background: #fff;

}


/* Internal page hero */

.page-hero {

    padding: 65px 0 45px;

    background:
        linear-gradient(
            180deg,
            #e8f5e9 0%,
            var(--background) 100%
        );

}


.page-hero h1 {

    font-size:
        clamp(2.25rem, 5vw, 3.7rem);

    margin-bottom: 12px;

}


.page-hero p {

    color: var(--muted);

    max-width: 720px;

}


/* Content */

.content {

    padding: 50px 0 85px;

}


.prose {

    max-width: 850px;

    margin: 0 auto;

    background: #fff;

    padding:
        clamp(25px, 5vw, 55px);

    border:
        1px solid var(--border);

    border-radius: 22px;

    box-shadow: var(--shadow);

}


.prose h2 {

    margin: 30px 0 10px;

    color: var(--primary-dark);

    font-size: 1.4rem;

}


.prose h2:first-child {

    margin-top: 0;

}


.prose h3 {

    margin: 22px 0 7px;

}


.prose p,
.prose li {

    color: #455a64;

}


.prose ul {

    padding-left: 22px;

}


.updated {

    color: var(--muted);

    font-size: 0.9rem;

    margin-bottom: 28px;

}


/* Support */

.support-grid {

    display: grid;

    grid-template-columns:
        1fr 1fr;

    gap: 18px;

}


.faq details {

    border-bottom:
        1px solid var(--border);

    padding: 16px 0;

}


.faq summary {

    cursor: pointer;

    font-weight: 800;

}


.faq p {

    color: var(--muted);

    margin-bottom: 0;

}


/* Footer */

.site-footer {

    background: #1b2a20;

    color: #dbe7de;

    padding: 45px 0 25px;

}


.footer-grid {

    display: grid;

    grid-template-columns:
        1.4fr 1fr 1fr;

    gap: 35px;

}


.site-footer h3 {

    color: #fff;

    margin-top: 0;

}


.site-footer p {

    color: #b9c9be;

}


.site-footer a {

    color: #dbe7de;

}


.footer-links {

    display: grid;

    gap: 8px;

}


.copyright {

    border-top:
        1px solid rgba(255, 255, 255, 0.12);

    margin-top: 30px;

    padding-top: 18px;

    color: #aebdb2;

    font-size: 0.88rem;

}


/* Responsive */

@media (max-width: 800px) {

    .nav {

        padding: 10px 0;

        align-items: flex-start;

    }


    .nav-links {

        justify-content: flex-end;

    }


    .hero {

        padding: 60px 0;

    }


    .hero-grid {

        grid-template-columns: 1fr;

        gap: 35px;

    }


    .features,
    .support-grid,
    .footer-grid {

        grid-template-columns: 1fr;

    }


    .cta {

        flex-direction: column;

        align-items: flex-start;

        padding: 35px 28px;

    }

}


@media (max-width: 520px) {

    .container {

        width:
            min(100% - 28px, 1120px);

    }


    .nav {

        flex-direction: column;

        gap: 8px;

    }


    .nav-links {

        width: 100%;

        justify-content: flex-start;

        overflow-x: auto;

        flex-wrap: nowrap;

    }


    h1 {

        font-size: 2.65rem;

    }


    .tree-card {

        min-height: 350px;

    }

}