:root {
    --ink: #11221e;
    --muted: #5d6d68;
    --paper: #f4f7f3;
    --surface: #ffffff;
    --line: #dce6df;
    --accent: #b7f36b;
    --accent-ink: #1b3116;
    --night: #12211e;
    --max: 1180px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--ink);
    background: var(--paper);
    font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.6;
}

a {
    color: inherit;
}

.skip-link {
    position: absolute;
    left: -999px;
    top: auto;
}

.skip-link:focus {
    left: 1rem;
    top: 1rem;
    z-index: 10;
    padding: .6rem 1rem;
    background: var(--accent);
    color: var(--accent-ink);
}

.container {
    width: min(calc(100% - 3rem), var(--max));
    margin-inline: auto;
}

.site-header {
    padding: 1.35rem 0;
    border-bottom: 1px solid var(--line);
}

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

.brand {
    display: inline-flex;
    align-items: center;
    gap: .7rem;
    font-weight: 750;
    letter-spacing: -.03em;
    text-decoration: none;
}

.mark {
    display: grid;
    place-items: center;
    width: 2rem;
    height: 2rem;
    border-radius: 8px;
    background: var(--ink);
    color: var(--accent);
    font-weight: 900;
    font-size: .8rem;
}

.nav-links {
    display: flex;
    gap: 1.4rem;
    align-items: center;
    font-size: .9rem;
    color: var(--muted);
}

.nav-links a {
    text-decoration: none;
}

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

.button {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    padding: .78rem 1rem;
    border: 1px solid var(--ink);
    border-radius: 999px;
    font-size: .9rem;
    font-weight: 700;
    text-decoration: none;
    transition: transform .2s, background .2s;
}

.button:hover {
    transform: translateY(-2px);
}

.button.primary {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--accent-ink);
}

.hero {
    padding: clamp(5rem, 13vw, 10rem) 0 6rem;
    position: relative;
    overflow: hidden;
}

.hero:after {
    content: "";
    position: absolute;
    width: 36rem;
    height: 36rem;
    border: 1px solid #c8d8ca;
    border-radius: 50%;
    right: -18rem;
    top: -12rem;
    box-shadow: 0 0 0 3rem var(--paper), 0 0 0 3.1rem #d5e1d7, 0 0 0 8rem var(--paper), 0 0 0 8.1rem #dfe8df;
    pointer-events: none;
}

.kicker {
    display: inline-flex;
    align-items: center;
    gap: .55rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: .14em;
    font-size: .72rem;
    font-weight: 800;
}

.kicker:before {
    content: "";
    width: 2.3rem;
    height: 1px;
    background: var(--muted);
}

h1,
h2,
h3 {
    margin: 0;
    line-height: 1.08;
    letter-spacing: -.055em;
}

h1 {
    max-width: 850px;
    margin-top: 1.5rem;
    font-size: clamp(3.3rem, 8vw, 7.2rem);
    font-weight: 800;
}

h1 em {
    color: #5d8050;
    font-style: normal;
}

.hero-copy {
    max-width: 550px;
    margin: 2rem 0 0;
    color: var(--muted);
    font-size: 1.15rem;
}

.hero-actions {
    display: flex;
    gap: .8rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.section {
    padding: 6.5rem 0;
}

.section.alt {
    background: #eaf0e9;
}

.section-head {
    display: flex;
    justify-content: space-between;
    gap: 2rem;
    align-items: flex-end;
    margin-bottom: 2.5rem;
}

.section-title {
    font-size: clamp(2.2rem, 4vw, 4rem);
}

.section-intro {
    max-width: 420px;
    color: var(--muted);
    margin: 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 5rem;
    align-items: start;
}

.about-lead {
    font-size: clamp(1.4rem, 2.7vw, 2.35rem);
    line-height: 1.25;
    letter-spacing: -.04em;
    margin: 0;
}

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

.rule-list p {
    margin: 0;
    padding: 1rem 0;
    border-bottom: 1px solid var(--line);
    color: var(--muted);
}

.cards {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1px;
    background: #cdd9d0;
    border: 1px solid #cdd9d0;
}

.card {
    background: var(--paper);
    padding: 1.4rem;
    min-height: 190px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.card-number {
    color: #6c8c68;
    font-size: .78rem;
    font-weight: 800;
}

.card h3 {
    font-size: 1.25rem;
}

.product {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.product-panel {
    background: var(--night);
    color: white;
    border-radius: 1.2rem;
    padding: clamp(2rem, 6vw, 5rem);
    position: relative;
    overflow: hidden;
}

.product-panel:after {
    content: "N";
    position: absolute;
    right: -.04em;
    bottom: -.25em;
    color: #213831;
    font-size: 16rem;
    font-weight: 900;
    line-height: .8;
}

.product-panel>* {
    position: relative;
    z-index: 1;
}

.product h3 {
    font-size: clamp(2.3rem, 5vw, 4.4rem);
}

.product p {
    color: #c1d0c5;
    max-width: 440px;
    font-size: 1.05rem;
}

.tag {
    display: inline-block;
    border: 1px solid #53705e;
    border-radius: 999px;
    padding: .35rem .65rem;
    color: var(--accent);
    font-size: .75rem;
    font-weight: 700;
    margin-bottom: 2rem;
}

.contact {
    background: var(--accent);
}

.contact-grid {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 2rem;
}

.contact h2 {
    font-size: clamp(2.5rem, 6vw, 5.3rem);
    max-width: 700px;
}

.contact a:not(.button) {
    color: var(--accent-ink);
    font-size: 1.15rem;
    font-weight: 700;
}

.prose {
    max-width: 760px;
    padding: 5rem 0 7rem;
}

.prose h1 {
    font-size: clamp(3rem, 7vw, 6rem);
    margin: 1.3rem 0 3rem;
}

.prose h2 {
    margin: 3rem 0 1rem;
    font-size: 1.7rem;
}

.prose p,
.prose li {
    color: var(--muted);
}

.prose a {
    color: var(--ink);
    font-weight: 700;
}

.notice {
    border-left: 3px solid #83a77c;
    padding: .8rem 1.2rem;
    background: #e8efe7;
}

.site-footer {
    padding: 2rem 0;
    background: var(--night);
    color: #c1d0c5;
    font-size: .84rem;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    gap: 2rem;
}

.footer-links {
    display: flex;
    gap: 1rem;
}

.footer-links a {
    text-decoration: none;
}

.footer-links a:hover {
    color: var(--accent);
}

@media (max-width:800px) {
    .container {
        width: min(calc(100% - 2rem), var(--max));
    }

    .nav-links {
        gap: .7rem;
    }

    .nav-links a:not(.button) {
        display: none;
    }

    .about-grid,
    .product {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

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

    .card:last-child {
        grid-column: span 2;
    }

    .section-head,
    .contact-grid,
    .footer-inner {
        display: block;
    }

    .section-intro {
        margin-top: 1rem;
    }

    .contact .button {
        margin-top: 1.5rem;
    }

    .footer-links {
        margin-top: 1rem;
    }
}

@media (prefers-reduced-motion:reduce) {

    *,
    *:before,
    *:after {
        scroll-behavior: auto !important;
        transition: none !important;
    }
}