:root {
    --sage: #cbd2cb;
    --ink: #262121;
    --green: #0d6b38;
    --blue: #175b9c;
    --orange: #ea763b;
    --red: #cb3127;
    --gold: #b0a333;
    --sans: "Inter", system-ui, -apple-system, sans-serif;
}

*,
*::before,
*::after { box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    scroll-padding-top: 4rem;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--sage);
    color: var(--ink);
    font-family: var(--sans);
    font-size: 1.05rem;
    line-height: 1.55;
}

body.nav-open { overflow: hidden; }

.skip {
    position: absolute;
    left: -999px;
    top: 0;
    background: var(--green);
    color: #fff;
    padding: 0.5rem 0.8rem;
    z-index: 80;
}

.skip:focus { left: 1rem; top: 0.6rem; }

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

.mast {
    position: sticky;
    top: 0;
    z-index: 40;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: rgba(203, 210, 203, 0.92);
}

.nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    padding: 0;
    border: 0;
    background: none;
    cursor: pointer;
}

.nav-toggle-bars,
.nav-toggle-bars::before,
.nav-toggle-bars::after {
    display: block;
    width: 1.15rem;
    height: 2px;
    background: var(--green);
}

.nav-toggle-bars {
    position: relative;
}

.nav-toggle-bars::before,
.nav-toggle-bars::after {
    content: "";
    position: absolute;
    left: 0;
}

.nav-toggle-bars::before { top: -5px; }
.nav-toggle-bars::after { top: 5px; }

body.nav-open .nav-toggle-bars { background: transparent; }
body.nav-open .nav-toggle-bars::before { top: 0; transform: rotate(45deg); }
body.nav-open .nav-toggle-bars::after { top: 0; transform: rotate(-45deg); }

.mark {
    color: var(--green);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
}

.site-nav {
    position: fixed;
    inset: 0;
    z-index: 30;
    display: flex;
    align-items: center;
    background: var(--sage);
    padding: 5rem 1.5rem 2rem;
}

.site-nav[hidden] { display: none; }

.site-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    width: min(52rem, 100%);
}

.site-nav a {
    display: inline-block;
    padding: 0.35rem 0;
    color: var(--green);
    text-decoration: none;
    font-size: clamp(2.2rem, 7vw, 4.2rem);
    font-weight: 500;
    line-height: 1.15;
}

.site-nav a:hover,
.site-nav a[aria-current="true"] { color: var(--gold); }

.page {
    width: min(72rem, calc(100% - 3rem));
    margin: 0 auto;
    padding: 1.5rem 0 4rem;
}

.layout {
    display: grid;
    grid-template-columns: minmax(11.5rem, 0.36fr) minmax(0, 0.64fr);
    gap: 2.2rem 2.8rem;
    align-items: start;
}

.rail { padding-top: 0.4rem; }

@media (min-width: 641px) {
    .rail {
        position: sticky;
        top: 4.2rem;
    }
}

.kicker {
    margin: 0 0 0.65rem;
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.02em;
}

.kicker-orange,
.rail-orange .kicker { color: var(--orange); }
.rail-blue .kicker { color: var(--blue); }
.rail-red .kicker { color: var(--red); }
.rail-gold .kicker { color: var(--gold); }

.rail-lead {
    margin: 0.15rem 0 0;
    font-size: 0.95rem;
    color: var(--ink);
}

.rail-block {
    padding-top: 1.4rem;
    margin-top: 0.4rem;
    border-top: 3px solid currentColor;
}

.rail-orange { color: var(--orange); }
.rail-blue { color: var(--blue); }
.rail-red { color: var(--red); }
.rail-gold { color: var(--gold); }

.rail-block ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.rail-block li + li { margin-top: 0.2rem; }

.rail-block a {
    color: var(--ink);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.98rem;
}

.rail-block a span { color: inherit; margin-right: 0.25rem; }
.rail-blue a span { color: var(--blue); }
.rail-red a span { color: var(--red); }
.rail-gold a span { color: var(--gold); }

.rail-block a:hover { color: var(--green); }

.copy { font-size: clamp(1.15rem, 2vw, 1.55rem); line-height: 1.45; }

.copy-kicker {
    padding-bottom: 0.55rem;
    margin-bottom: 1.1rem;
    border-bottom: 3px solid var(--orange);
    width: min(11rem, 40%);
}

.copy section + section { margin-top: 1.6rem; }

.copy p { margin: 0 0 1.15rem; }
.copy p:last-child { margin-bottom: 0; }

.copy a { color: var(--green); }

.name {
    color: var(--green);
    font-weight: 700;
}

.form-heading {
    margin: 2rem 0 0.85rem;
    color: var(--green);
    font-size: clamp(1.35rem, 2.2vw, 1.85rem);
    font-weight: 700;
    line-height: 1.2;
}

.letter {
    display: grid;
    gap: 1rem;
    margin-top: 0.4rem;
    max-width: 28rem;
    font-size: 1.05rem;
    line-height: 1.5;
}

.letter label { display: grid; gap: 0.3rem; }

.letter label span {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--green);
}

.letter input,
.letter select,
.letter textarea {
    width: 100%;
    font: inherit;
    color: var(--ink);
    background: transparent;
    border: 0;
    border-bottom: 1px solid rgba(13, 107, 56, 0.35);
    border-radius: 0;
    padding: 0.4rem 0;
}

.letter input:focus,
.letter select:focus,
.letter textarea:focus {
    outline: none;
    border-bottom-color: var(--green);
}

.letter-actions {
    display: grid;
    justify-items: start;
    gap: 0.5rem;
    margin-top: 0.3rem;
}

.btn {
    padding: 0;
    border: 0;
    background: none;
    color: var(--green);
    font: inherit;
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 4px;
    cursor: pointer;
}

.btn:hover { color: var(--gold); }
.btn:disabled { opacity: 0.55; cursor: wait; }

.hp {
    position: absolute;
    left: -9999px;
    height: 0;
    overflow: hidden;
}

.form-status p { margin: 0; font-size: 0.92rem; }
.form-ok { color: var(--green); }
.form-bad { color: var(--red); }

.colophon {
    margin-top: 3.5rem;
    max-width: 22rem;
}

.colophon p {
    margin: 0;
    font-size: 0.72rem;
    color: var(--blue);
}

@media (max-width: 640px) {
    .page { width: calc(100% - 2.2rem); }
    .layout {
        grid-template-columns: 1fr;
        gap: 2.4rem;
    }
    .copy { order: -1; }
    .mast { padding: 0.9rem 1.1rem; }
    .copy { font-size: 1.2rem; }
}