* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: #1a1f1c;
    background: #ffffff;
    font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    padding-top: 72px;
}

a {
    color: inherit;
    text-decoration: none;
}

img, svg {
    display: block;
    max-width: 100%;
}

button, input, select, textarea {
    font: inherit;
}

h1, h2, h3 {
    margin-top: 0;
    font-weight: 300;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

p {
    color: #40473f;
    margin-top: 0;
}

.skip-link {
    position: fixed;
    left: 16px;
    top: 12px;
    z-index: 30;
    background: #ffffff;
    color: #0e2e1c;
    padding: 10px 14px;
    border: 1px solid #e2e6e2;
    transform: translateY(-150%);
}

.skip-link:focus {
    transform: translateY(0);
}

/* Header */

.site-header {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 20;
    background: rgba(255, 255, 255, 0.97);
    border-bottom: 1px solid #e2e6e2;
    backdrop-filter: blur(10px);
}

.header-inner {
    min-height: 72px;
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.brand strong {
    display: block;
    font-size: 1.02rem;
    color: #0e2e1c;
}

.brand small {
    display: block;
    font-size: 0.72rem;
    color: #6b756f;
}

.brand-mark {
    width: 28px;
    height: 28px;
    color: #1c6b3f;
}

.desktop-nav {
    display: flex;
    align-items: center;
    gap: 28px;
    font-size: 0.88rem;
}

.desktop-nav a {
    padding: 26px 0;
    color: #313830;
}

.desktop-nav a:hover,
.desktop-nav a:focus-visible,
.text-link:hover,
.footer-links a:hover {
    color: #0f8a4c;
}

.icon-button {
    width: 40px;
    height: 40px;
    border: 1px solid #e2e6e2;
    background: #ffffff;
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.icon-button svg {
    width: 20px;
    height: 20px;
    fill: #1a1f1c;
}

.mobile-panel {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background: #ffffff;
    padding: 24px;
    flex-direction: column;
    gap: 20px;
    font-size: 1.1rem;
    z-index: 15;
}

.mobile-panel.is-open {
    display: flex;
}

@media (max-width: 860px) {
    .desktop-nav { display: none; }
    .icon-button { display: flex; }
}

/* Layout primitives */

.content-band {
    max-width: 1180px;
    margin: 0 auto;
    padding: 56px 24px;
}

.muted-band {
    background: #f4f6f4;
}

.section-heading {
    max-width: 760px;
    margin-bottom: 28px;
}

.section-heading.centered {
    max-width: 100%;
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

.section-heading h2 {
    font-size: clamp(1.7rem, 2.6vw, 2.2rem);
    color: #0e2e1c;
}

/* Buttons / links */

.button {
    display: inline-block;
    padding: 12px 22px;
    font-size: 0.92rem;
    border: 1px solid transparent;
    cursor: pointer;
}

.button.primary {
    background: #1c6b3f;
    color: #ffffff;
}

.button.primary:hover {
    background: #0f8a4c;
}

.button.secondary {
    background: transparent;
    border-color: #1c6b3f;
    color: #1c6b3f;
}

.button-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.text-link {
    color: #1c6b3f;
    border-bottom: 1px solid #c8d6cc;
}

/* Hero */

.hero {
    background: #f4f6f4;
    border-bottom: 1px solid #e2e6e2;
}

.hero-inner {
    max-width: 820px;
    margin: 0 auto;
    padding: 80px 24px 64px;
    text-align: center;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.78rem;
    color: #1c6b3f;
    font-weight: 600;
}

.hero h1 {
    font-size: clamp(2.2rem, 4.5vw, 3.4rem);
    color: #0e2e1c;
    margin: 12px 0 16px;
}

.hero-copy {
    max-width: 620px;
    margin: 0 auto 24px;
    font-size: 1.08rem;
}

.hero .button-row {
    justify-content: center;
}

/* Term / material / framework / resource grids */

.term-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 12px;
}

.term-card {
    display: block;
    padding: 18px;
    border: 1px solid #e2e6e2;
    text-align: center;
    font-weight: 500;
    color: #0e2e1c;
}

.term-card:hover {
    border-color: #1c6b3f;
    color: #1c6b3f;
}

.material-chip-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.material-chip {
    padding: 8px 16px;
    background: #ffffff;
    border: 1px solid #e2e6e2;
    font-size: 0.88rem;
    color: #313830;
}

.framework-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 28px;
}

.framework-card {
    padding: 24px;
    border: 1px solid #e2e6e2;
}

.framework-card h3 {
    color: #1c6b3f;
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.resource-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
}

.resource-card {
    padding: 20px;
    border: 1px solid #e2e6e2;
}

.resource-card h3 {
    font-size: 1.05rem;
    margin-bottom: 8px;
}

.final-cta {
    text-align: center;
    padding: 64px 24px;
    background: #0e2e1c;
    color: #ffffff;
}

.final-cta h2 {
    color: #ffffff;
    margin-bottom: 20px;
}

.final-cta .button.primary {
    background: #0f8a4c;
}

@media (max-width: 720px) {
    .framework-grid { grid-template-columns: 1fr; }
}

/* Hub / page-shell */

.page-shell {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 24px 64px;
}

.page-hero {
    padding: 56px 0 32px;
    max-width: 760px;
}

.page-hero.compact {
    padding: 40px 0 24px;
}

.page-hero p {
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-size: 0.78rem;
    color: #1c6b3f;
    font-weight: 600;
}

.page-hero h1 {
    font-size: clamp(1.9rem, 3.4vw, 2.6rem);
    color: #0e2e1c;
    margin: 10px 0;
}

.evidence-grid, .glossary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.evidence-card, .glossary-card {
    padding: 22px;
    border: 1px solid #e2e6e2;
}

.evidence-card h2, .glossary-card h2 {
    font-size: 1.2rem;
    margin: 10px 0 8px;
}

.card-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 6px;
}

.card-meta small {
    color: #6b756f;
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 0.05em;
}

.empty-note {
    color: #6b756f;
    font-style: italic;
}

/* Quality badges */

.quality-badge {
    display: inline-block;
    padding: 4px 10px;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    border-radius: 2px;
}

.quality-strong { background: #e5f5ea; color: #0f8a4c; }
.quality-moderate { background: #f7f0dd; color: #8a6d0f; }
.quality-context { background: #e9eaf7; color: #5a5f8a; }
.quality-weak { background: #f7e5e5; color: #8a2f2f; }

/* Article layout */

.article-layout {
    max-width: 1180px;
    margin: 0 auto;
    padding: 40px 24px 64px;
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 40px;
    align-items: start;
}

.breadcrumbs {
    font-size: 0.82rem;
    color: #6b756f;
    margin-bottom: 20px;
}

.breadcrumbs a {
    color: #1c6b3f;
}

.review-hero p {
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-size: 0.78rem;
    color: #1c6b3f;
    font-weight: 600;
}

.review-hero h1 {
    font-size: clamp(1.8rem, 3.2vw, 2.4rem);
    color: #0e2e1c;
    margin: 10px 0;
}

.meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    align-items: center;
    font-size: 0.85rem;
    color: #6b756f;
    margin-top: 14px;
}

.article-content h2 {
    font-size: 1.3rem;
    margin-top: 36px;
    color: #0e2e1c;
}

.article-content h3 {
    font-size: 1.05rem;
}

.article-content ul {
    padding-left: 20px;
}

.article-content li {
    margin-bottom: 6px;
}

.proves-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 20px 0;
}

.proves-block {
    padding: 18px;
    border-left: 3px solid;
}

.proves-yes {
    border-color: #0f8a4c;
    background: #f2faf5;
}

.proves-no {
    border-color: #8a2f2f;
    background: #fbf3f3;
}

.proves-block h3 {
    font-size: 0.95rem;
    margin-bottom: 6px;
}

@media (max-width: 900px) {
    .article-layout { grid-template-columns: 1fr; }
    .proves-grid { grid-template-columns: 1fr; }
}

.review-sidebar {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.sidebar-card {
    padding: 20px;
    border: 1px solid #e2e6e2;
}

.sidebar-card h2 {
    font-size: 1rem;
    margin-bottom: 10px;
}

.sidebar-card a {
    display: block;
    padding: 6px 0;
    color: #1c6b3f;
    border-bottom: 1px solid #eef1ee;
}

.score-panel {
    text-align: center;
}

.score-panel span {
    display: block;
    font-size: 0.8rem;
    color: #6b756f;
    margin-bottom: 8px;
}

.score-panel .button {
    margin-top: 14px;
    width: 100%;
}

.check-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.check-list li {
    padding: 6px 0;
    border-bottom: 1px solid #eef1ee;
    font-size: 0.9rem;
}

/* Split content band (static pages) */

.split-band {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 40px;
    align-items: start;
    padding-top: 0;
}

@media (max-width: 900px) {
    .split-band { grid-template-columns: 1fr; }
}

.article-body h2 {
    font-size: 1.25rem;
    margin-top: 28px;
    color: #0e2e1c;
}

.method-card {
    padding: 20px;
    border: 1px solid #e2e6e2;
    background: #f4f6f4;
}

.method-card h2 {
    font-size: 1rem;
    margin-bottom: 8px;
}

/* Contact form */

.contact-form__honeypot {
    position: absolute;
    left: -9999px;
}

.contact-form__grid {
    display: grid;
    gap: 18px;
    margin-bottom: 20px;
}

.contact-form__field--full {
    grid-column: 1 / -1;
}

.contact-form__label {
    display: block;
    font-size: 0.88rem;
    margin-bottom: 6px;
    color: #313830;
}

.contact-form__control {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #d5dbd6;
    background: #ffffff;
}

.contact-form__error {
    color: #8a2f2f;
    font-size: 0.82rem;
    margin-top: 4px;
}

.contact-form__help {
    color: #6b756f;
    font-size: 0.82rem;
    margin-top: 4px;
}

.form-success {
    padding: 18px;
    background: #e5f5ea;
    color: #0f8a4c;
    border: 1px solid #b9e2c7;
}

/* Footer */

.site-footer {
    background: #0e2e1c;
    color: #dce6e0;
}

.footer-strip {
    max-width: 1180px;
    margin: 0 auto;
    padding: 32px 24px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-strip strong {
    display: block;
    font-size: 0.92rem;
    color: #ffffff;
}

.footer-strip span {
    font-size: 0.82rem;
    color: #a9b8ae;
}

.footer-main {
    max-width: 1180px;
    margin: 0 auto;
    padding: 40px 24px;
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 32px;
}

.footer-brand strong {
    color: #ffffff;
    font-size: 1.05rem;
}

.footer-brand small {
    color: #a9b8ae;
}

.footer-main p {
    color: #a9b8ae;
    font-size: 0.88rem;
    margin-top: 12px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-links strong {
    color: #ffffff;
    font-size: 0.9rem;
    margin-bottom: 4px;
}

.footer-links a {
    color: #a9b8ae;
    font-size: 0.88rem;
}

@media (max-width: 720px) {
    .footer-main { grid-template-columns: 1fr; }
}