:root {
    --forest: #064b37;
    --forest-deep: #032e22;
    --mint: #4ecba0;
    --mint-pale: #e9f7f0;
    --ink: #123c30;
    --body: #55776b;
    --line: #cce9dc;
    --paper: #fbfefa;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    color: var(--ink);
    background: var(--paper);
    font-family: "Trebuchet MS", "Segoe UI", sans-serif;
    line-height: 1.6;
}
a { color: inherit; text-underline-offset: 4px; }
a:focus-visible { outline: 3px solid var(--mint); outline-offset: 5px; }
.skip-link {
    position: absolute;
    top: -100px;
    left: 24px;
    z-index: 2;
    padding: 10px 18px;
    color: #fff;
    background: var(--forest-deep);
}
.skip-link:focus { top: 12px; }
.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 18px clamp(24px, 6vw, 88px);
    color: #fff;
    background: var(--forest);
}
.logo {
    font-size: 25px;
    font-weight: 900;
    letter-spacing: -1px;
    text-decoration: none;
}
.logo span { color: var(--mint); }
.header-links { display: flex; align-items: center; flex-wrap: wrap; gap: 24px; }
.home-link {
    color: #dff7ed;
    font-size: 14px;
    font-weight: 800;
    text-decoration: none;
}
.home-link:hover { color: var(--mint); }
.hero {
    position: relative;
    overflow: hidden;
    padding: clamp(64px, 11vw, 130px) clamp(24px, 8vw, 130px) 86px;
    color: #fff;
    background:
        radial-gradient(circle at 84% 12%, rgba(78, 203, 160, 0.38), transparent 25%),
        linear-gradient(118deg, var(--forest-deep), var(--forest));
}
.hero::after {
    position: absolute;
    right: -7vw;
    bottom: -17vw;
    width: min(46vw, 560px);
    aspect-ratio: 1;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 50%;
    pointer-events: none;
    content: "";
}
.hero-content, .content { max-width: 1120px; margin: 0 auto; }
.eyebrow {
    margin: 0 0 16px;
    color: var(--forest);
    font-size: 13px;
    font-weight: 900;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}
.hero .eyebrow, .workflow .eyebrow { color: var(--mint); }
h1, h2, h3 { line-height: 1.1; }
h1 {
    max-width: 860px;
    margin: 0;
    font-size: clamp(42px, 6vw, 74px);
    letter-spacing: -0.055em;
    overflow-wrap: break-word;
}
.article-hero h1 { font-size: clamp(39px, 5.3vw, 66px); }
.hero-copy {
    max-width: 690px;
    margin: 25px 0 0;
    color: #cae8dc;
    font-size: clamp(18px, 2.1vw, 22px);
}
.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 22px;
    margin-top: 28px;
    color: #cae8dc;
    font-size: 14px;
}
.content { padding: 72px 24px 88px; }
.intro {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.8fr);
    gap: 48px;
    align-items: start;
    margin-bottom: 72px;
}
h2 {
    margin: 0 0 18px;
    font-size: clamp(31px, 4vw, 47px);
    letter-spacing: -0.045em;
}
h3 { margin: 0 0 10px; font-size: 20px; letter-spacing: -0.025em; }
p { margin: 0; color: var(--body); }
.intro-copy p + p, .article-section p + p { margin-top: 18px; }
.principle-card {
    padding: 28px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: var(--mint-pale);
}
.principle-card strong {
    display: block;
    margin-bottom: 9px;
    color: var(--forest);
    font-size: 14px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
.section-heading { margin-bottom: 29px; }
.card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.card {
    padding: 27px;
    border: 1px solid var(--line);
    border-radius: 17px;
    background: #fff;
    box-shadow: 0 12px 30px rgba(11, 79, 58, 0.06);
}
.card-number {
    display: grid;
    width: 42px;
    height: 42px;
    margin-bottom: 25px;
    place-items: center;
    border-radius: 12px;
    color: var(--forest);
    background: var(--mint-pale);
    font-size: 14px;
    font-weight: 900;
}
.post-card { display: flex; flex-direction: column; align-items: flex-start; }
.post-card h3 { font-size: 26px; line-height: 1.2; }
.post-card h3 a { text-decoration: none; }
.post-card h3 a:hover { color: var(--forest); text-decoration: underline; }
.post-card .eyebrow { font-size: 11px; letter-spacing: 0.1em; }
.post-card .post-date { margin: 18px 0 24px; font-size: 13px; }
.text-link { color: var(--forest); font-weight: 800; }
.post-card > .text-link { margin-top: auto; }
.featured-post { grid-column: 1 / -1; }
.featured-post h3 { max-width: 850px; font-size: clamp(28px, 3.4vw, 37px); }
.featured-post > p:not(.eyebrow) { max-width: 760px; }
.article-section { max-width: 760px; margin: 58px 0 0; }
.article-section h2 { font-size: clamp(28px, 3.4vw, 37px); line-height: 1.2; }
.article-section p, .intro-copy > p:not(.eyebrow) { font-size: 17px; }
.checklist { margin: 22px 0 0; padding-left: 22px; color: var(--body); font-size: 17px; }
.checklist li + li { margin-top: 12px; }
.checklist strong { color: var(--ink); }
.workflow {
    display: grid;
    grid-template-columns: 0.82fr 1.18fr;
    gap: 50px;
    align-items: center;
    margin-top: 80px;
    padding: 50px;
    border-radius: 22px;
    color: #fff;
    background: var(--forest);
}
.workflow h2 { margin-bottom: 0; }
.workflow p { color: #c5e5d8; }
.workflow-steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.workflow-step {
    min-height: 148px;
    padding: 20px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 13px;
    background: rgba(255, 255, 255, 0.055);
}
.workflow-step span {
    display: block;
    margin-bottom: 14px;
    color: var(--mint);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.1em;
}
.workflow-step strong { font-size: 16px; }
.notice {
    margin-top: 54px;
    padding: 28px 30px;
    border-left: 4px solid var(--mint);
    border-radius: 0 12px 12px 0;
    background: #f0f8f4;
}
.sources, .related { margin-top: 54px; padding-top: 30px; border-top: 1px solid var(--line); }
.sources h2, .related h2 { font-size: 28px; }
.sources ul, .related ul { margin: 0; padding-left: 20px; color: var(--body); }
.sources li + li, .related li + li { margin-top: 10px; }
.sources a, .related a, .article-section a { color: var(--forest); }
.sources .source-note { margin-top: 18px; font-size: 14px; }
.page-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 26px clamp(24px, 6vw, 88px);
    color: #a8d7c3;
    background: var(--forest-deep);
    font-size: 13px;
}
.footer-links { display: flex; flex-wrap: wrap; gap: 20px; }
.page-footer a { color: #fff; font-weight: 800; text-decoration: none; }
.page-footer a:hover { text-decoration: underline; }
@media (max-width: 1000px) {
    .workflow { grid-template-columns: 1fr; gap: 28px; }
}
@media (max-width: 760px) {
    .intro, .card-grid, .workflow-steps { grid-template-columns: 1fr; }
    .intro { gap: 28px; margin-bottom: 50px; }
    .content { padding-top: 48px; padding-bottom: 58px; }
    .hero { padding-bottom: 58px; }
    .workflow { margin-top: 54px; padding: 34px 26px; }
    .workflow-step { min-height: 0; }
    .page-footer { align-items: flex-start; flex-direction: column; }
    .header-links { gap: 12px; }
}
@media (max-width: 480px) {
    .site-header { align-items: flex-start; }
    .header-links { flex-direction: column; align-items: flex-end; gap: 6px; }
    .home-link { font-size: 12px; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
}