/* Forward Tab — site styles. Plain CSS, no build step. */

:root {
    --paper: #fbfaf7;
    --paper-alt: #f3f0e9;
    --ink: #1d2523;
    --ink-soft: #4a5450;
    --ink-muted: #6b7470;
    --rule: #dcd7cc;
    --green: #2c5a4b;
    --green-dark: #1f4237;
    --green-tint: #e6eee9;
    --error: #8a2b1f;
    --error-tint: #f6e7e3;

    --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
    --sans: "Source Sans 3", "Segoe UI", system-ui, -apple-system, sans-serif;

    --measure: 38rem;
    --wide: 68rem;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--sans);
    font-size: 1.125rem;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
    font-family: var(--serif);
    font-weight: 600;
    line-height: 1.2;
    margin: 0 0 0.75rem;
    letter-spacing: -0.005em;
}
h1 { font-size: clamp(2.1rem, 4.5vw, 3.1rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1rem; }
p:last-child { margin-bottom: 0; }

a { color: var(--green); text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
a:hover { color: var(--green-dark); text-decoration-thickness: 2px; }
a:focus-visible, button:focus-visible, input:focus-visible {
    outline: 3px solid var(--green);
    outline-offset: 2px;
}

.wrap { max-width: var(--wide); margin: 0 auto; padding: 0 1.25rem; }
.measure { max-width: var(--measure); }

.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: absolute; left: -9999px; top: 0; }
.skip-link:focus { left: 1rem; top: 1rem; background: var(--paper); padding: 0.5rem 0.75rem; z-index: 10; }

/* Header */

.site-header { border-bottom: 1px solid var(--rule); }
.site-header .wrap {
    display: flex; align-items: center; justify-content: space-between;
    gap: 1rem; flex-wrap: wrap;
    padding-top: 1.1rem; padding-bottom: 1.1rem;
}
.wordmark {
    font-family: var(--serif); font-size: 1.5rem; font-weight: 700;
    color: var(--ink); text-decoration: none; letter-spacing: -0.01em;
}
.wordmark:hover { color: var(--ink); }
.site-header .wordmark { display: inline-flex; align-items: center; gap: 0.6rem; }
.logo { width: auto; height: 1.9rem; flex: none; fill: var(--green); }
.site-nav { display: flex; gap: 1.5rem; flex-wrap: wrap; font-size: 1rem; }
.site-nav a { color: var(--ink-soft); text-decoration: none; }
.site-nav a:hover { color: var(--ink); text-decoration: underline; }

/* Sections */

.section { padding: 4.5rem 0; border-bottom: 1px solid var(--rule); }
.section--alt { background: var(--paper-alt); }
.eyebrow {
    font-family: var(--sans); font-size: 0.8rem; font-weight: 600;
    letter-spacing: 0.12em; text-transform: uppercase; color: var(--green);
    margin: 0 0 0.75rem;
}
.lede { font-size: 1.25rem; color: var(--ink-soft); }

/* Intro */

.intro .wrap {
    display: grid; gap: 3rem;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: start;
}
.intro h1 { max-width: 20ch; }

.signup {
    background: #fff; border: 1px solid var(--rule); border-top: 4px solid var(--green);
    padding: 1.75rem;
}
.signup h2 { font-size: 1.35rem; margin-bottom: 0.5rem; }
.signup p { font-size: 1rem; color: var(--ink-soft); }
.signup label { display: block; font-weight: 600; font-size: 0.95rem; margin: 1.25rem 0 0.35rem; }
.signup input[type="email"] {
    width: 100%; font: inherit; font-size: 1rem; color: var(--ink);
    padding: 0.7rem 0.8rem; border: 1px solid #b9b3a6; border-radius: 2px; background: #fff;
}
.signup input[type="email"]:focus { border-color: var(--green); }
.button {
    display: inline-block; width: 100%; margin-top: 0.85rem;
    font: inherit; font-weight: 600; font-size: 1rem;
    color: #fff; background: var(--green); border: 0; border-radius: 2px;
    padding: 0.75rem 1.25rem; cursor: pointer;
}
.button:hover { background: var(--green-dark); }
.button:disabled { opacity: 0.65; cursor: wait; }
.signup .fine { font-size: 0.875rem; color: var(--ink-muted); margin-top: 0.9rem; }
.honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
#turnstile-widget { margin-top: 0.85rem; }
#turnstile-widget:empty { margin-top: 0; }

.notice { font-size: 0.95rem; padding: 0.65rem 0.8rem; margin-top: 0.85rem; border-left: 3px solid; }
.notice[hidden] { display: none; }
.notice--info  { background: var(--paper-alt); border-color: var(--rule); color: var(--ink-soft); }
.notice--ok    { background: var(--green-tint); border-color: var(--green); color: var(--green-dark); }
.notice--error { background: var(--error-tint); border-color: var(--error); color: var(--error); }

/* Two-column text blocks */

.split { display: grid; gap: 2.5rem; grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr); }

/* How it works */

.steps { list-style: none; margin: 2.5rem 0 0; padding: 0; display: grid; gap: 2rem; grid-template-columns: repeat(3, minmax(0, 1fr)); counter-reset: step; }
.steps li { counter-increment: step; border-top: 2px solid var(--ink); padding-top: 1rem; }
.steps li::before {
    content: counter(step); display: block;
    font-family: var(--serif); font-size: 2rem; font-weight: 600; color: var(--green); line-height: 1; margin-bottom: 0.75rem;
}
.steps p { font-size: 1rem; color: var(--ink-soft); }

/* Commitments */

.commitments { margin: 0; padding: 0; list-style: none; }
.commitments li { padding: 1.25rem 0; border-top: 1px solid var(--rule); }
.commitments li:last-child { border-bottom: 1px solid var(--rule); }
.commitments h3 { margin-bottom: 0.35rem; }
.commitments p { color: var(--ink-soft); font-size: 1rem; }

/* Pilot / get involved */

.roles { display: grid; gap: 1.5rem; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 2.5rem; }
.role { background: #fff; border: 1px solid var(--rule); padding: 1.5rem; }
.role p { font-size: 1rem; color: var(--ink-soft); }

/* Contact */

.contact-list { margin: 0; display: grid; gap: 1.25rem; }
.contact-list dt { font-weight: 600; }
.contact-list dd { margin: 0.15rem 0 0; color: var(--ink-soft); }

/* Footer */

.site-footer { background: var(--ink); color: #c9cfcc; font-size: 0.95rem; padding: 3rem 0 2rem; }
.site-footer a { color: #fff; }
.site-footer .wrap { display: grid; gap: 2rem; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr) minmax(0, 1fr); }
.site-footer .wordmark { color: #fff; font-size: 1.3rem; display: inline-block; margin-bottom: 0.5rem; }
.site-footer h2 { font-family: var(--sans); font-size: 0.8rem; letter-spacing: 0.12em; text-transform: uppercase; color: #9aa39f; margin-bottom: 0.6rem; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li + li { margin-top: 0.35rem; }
.site-footer address { font-style: normal; }
.site-footer .legal { grid-column: 1 / -1; border-top: 1px solid #36403d; padding-top: 1.25rem; font-size: 0.85rem; color: #9aa39f; }

/* Long-form pages (privacy) */

.doc { padding: 3.5rem 0 4.5rem; }
.doc .updated { color: var(--ink-muted); font-size: 0.95rem; margin-bottom: 2.5rem; }
.doc h2 { font-size: 1.5rem; margin-top: 2.5rem; }
.doc ul { padding-left: 1.25rem; }
.doc li { margin-bottom: 0.6rem; }
.doc .callout { background: var(--paper-alt); border-left: 3px solid var(--rule); padding: 1rem 1.1rem; }

/* Small screens */

@media (max-width: 860px) {
    .intro .wrap, .split, .site-footer .wrap { grid-template-columns: minmax(0, 1fr); }
    .steps, .roles { grid-template-columns: minmax(0, 1fr); }
    .section { padding: 3.25rem 0; }
}
@media (max-width: 520px) {
    body { font-size: 1.0625rem; }
    .site-nav { gap: 1rem; font-size: 0.95rem; }
    .signup { padding: 1.25rem; }
}