/* ==========================================================================
   Consumer product assessment template.
   Formatted as an institutional report: document header block, abstract,
   numbered sections, labelled figures and tables, limitations, declaration
   of interest, numbered references. Restrained palette, serif body.
   ========================================================================== */

@font-face { font-family: 'Inter'; font-weight: 400; font-style: normal; font-display: swap; src: url('Inter-Regular.woff2') format('woff2'), url('Inter-Regular.woff') format('woff'); }
@font-face { font-family: 'Inter'; font-weight: 600; font-style: normal; font-display: swap; src: url('Inter-SemiBold.woff2') format('woff2'), url('Inter-SemiBold.woff') format('woff'); }
@font-face { font-family: 'Inter'; font-weight: 700; font-style: normal; font-display: swap; src: url('Inter-Bold.woff2') format('woff2'), url('Inter-Bold.woff') format('woff'); }

:root {
    --ink: #1a1f26;
    --navy: #14263c;
    --muted: #5b6672;
    --rule: #d8dde3;
    --rule-soft: #eceff2;
    --paper: #ffffff;
    --tint: #f5f7f9;
    --flag: #9a2a22;
    --ok: #1f6b45;
    --cta: #22b01e;
    --cta-dark: #1a8f17;
    --serif: Georgia, 'Iowan Old Style', 'Times New Roman', Times, serif;
    --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
    margin: 0; background: var(--paper); color: var(--ink);
    font-family: var(--serif); font-size: 18px; line-height: 1.65;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
ul, ol { margin: 0; padding: 0; }
li { list-style: none; }
.sheet { width: 100%; max-width: 1060px; margin: 0 auto; padding: 0 24px; }
.body-col { max-width: 720px; margin-left: auto; margin-right: auto; }

/* ---------- institutional bar ---------- */
.org { background: var(--navy); color: #fff; }
.org .sheet { display: flex; align-items: center; justify-content: space-between; height: 40px; gap: 16px; }
.org .name { font-family: var(--sans); font-size: 12px; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; }
.org .unit { font-family: var(--sans); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: #9db2c9; }

/* ---------- document header ---------- */
.dochead { border-bottom: 3px double var(--navy); padding: 26px 0 20px; }
.dochead .sheet { display: grid; grid-template-columns: 1fr auto; gap: 28px; align-items: end; }
.crest { display: flex; align-items: center; gap: 14px; text-decoration: none; }
.crest img { width: 52px; height: 52px; }
.crest .t1 { font-family: var(--sans); font-weight: 700; font-size: 20px; color: var(--navy); letter-spacing: -0.01em; line-height: 1.2; }
.crest .t2 { font-family: var(--sans); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); margin-top: 3px; }
.docmeta { font-family: var(--sans); font-size: 11.5px; line-height: 1.8; color: var(--muted); text-align: right; }
.docmeta b { color: var(--ink); font-weight: 600; }

/* ---------- title block ---------- */
.titleblock { padding: 34px 0 0; }
.doctype { font-family: var(--sans); font-size: 11px; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase; color: var(--flag); margin: 0 0 14px; }
h1 { font-family: var(--serif); font-weight: 700; font-size: 40px; line-height: 1.2; letter-spacing: -0.01em; margin: 0 0 16px; color: var(--navy); }
.authors { font-family: var(--sans); font-size: 14px; color: var(--muted); border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); padding: 12px 0; margin: 20px 0 0; }
.authors b { color: var(--ink); font-weight: 600; }

/* ---------- abstract ---------- */
.abstract { background: var(--tint); border-left: 3px solid var(--navy); padding: 22px 26px; margin: 28px 0; }
.abstract h2 { font-family: var(--sans); font-size: 11px; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; color: var(--navy); margin: 0 0 12px; }
.abstract p { margin: 0 0 12px; font-size: 17px; }
.abstract p:last-child { margin-bottom: 0; }

/* ---------- key findings panel ---------- */
.keyfind { border: 1px solid var(--rule); padding: 0; margin: 28px 0; }
.keyfind h2 { font-family: var(--sans); font-size: 11px; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; color: #fff; background: var(--navy); margin: 0; padding: 11px 20px; }
.keyfind ol { counter-reset: kf; padding: 18px 22px 20px; margin: 0; }
.keyfind li { counter-increment: kf; position: relative; padding-left: 30px; margin-bottom: 12px; font-size: 16.5px; line-height: 1.6; }
.keyfind li:last-child { margin-bottom: 0; }
.keyfind li:before { content: counter(kf) "."; position: absolute; left: 0; font-family: var(--sans); font-weight: 700; color: var(--flag); font-size: 14px; top: 2px; }

/* ---------- sections ---------- */
.sec { margin: 40px 0 0; }
.sec > h2 {
    font-family: var(--sans); font-size: 20px; font-weight: 700; line-height: 1.3;
    color: var(--navy); margin: 0 0 14px; padding-bottom: 8px; border-bottom: 1px solid var(--rule);
}
.sec > h2 .n { color: var(--flag); margin-right: 10px; }
.sec h3 { font-family: var(--sans); font-size: 16px; font-weight: 700; margin: 24px 0 8px; color: var(--ink); }
.sec p { margin: 0 0 16px; }
.sec p.first { margin-top: 0; }
sup.ref { font-family: var(--sans); font-size: 11px; font-weight: 600; color: var(--flag); vertical-align: super; }

/* ---------- figures and tables ---------- */
figure { margin: 26px 0; }
figure img { border: 1px solid var(--rule); }
figcaption { font-family: var(--sans); font-size: 12.5px; line-height: 1.55; color: var(--muted); margin-top: 9px; }
figcaption b { color: var(--ink); font-weight: 600; }
figure.narrow { max-width: 330px; }

table { width: 100%; border-collapse: collapse; margin: 8px 0 0; font-family: var(--sans); font-size: 15px; }
caption { font-family: var(--sans); font-size: 12.5px; color: var(--muted); text-align: left; margin-bottom: 9px; }
caption b { color: var(--ink); font-weight: 600; }
th { text-align: left; font-weight: 600; font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); border-bottom: 2px solid var(--navy); padding: 9px 10px 9px 0; }
td { border-bottom: 1px solid var(--rule-soft); padding: 11px 10px 11px 0; vertical-align: top; }
td.v { font-weight: 600; white-space: nowrap; }
td.v.no { color: var(--flag); }
td.v.yes { color: var(--ok); }
tr.hl td { background: var(--tint); font-weight: 600; }

/* ---------- assessment note ---------- */
.note { border: 1px solid var(--rule); border-left: 3px solid var(--flag); padding: 18px 20px; margin: 24px 0; background: var(--paper); }
.note .lbl { font-family: var(--sans); font-size: 10.5px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: var(--flag); margin: 0 0 8px; }
.note p { margin: 0 0 10px; font-size: 16.5px; }
.note p:last-child { margin-bottom: 0; }

/* ---------- recommendation ---------- */
.rec { border: 2px solid var(--navy); padding: 26px 28px; margin: 34px 0; }
.rec .lbl { font-family: var(--sans); font-size: 10.5px; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; color: var(--navy); margin: 0 0 10px; }
.rec h3 { font-family: var(--serif); font-size: 24px; font-weight: 700; margin: 0 0 12px; color: var(--navy); line-height: 1.3; }
.rec p { margin: 0 0 12px; font-size: 17px; }
.rec p:last-child { margin-bottom: 0; }

/* ---------- action ---------- */
.action { border: 1px solid var(--rule); background: var(--tint); padding: 22px; margin: 28px 0; text-align: center; }
.action p { font-family: var(--sans); font-size: 15px; color: var(--muted); margin: 0 0 14px; }
.btn {
    display: block; background: var(--cta); color: #fff; text-decoration: none;
    font-family: var(--sans); font-weight: 700; font-size: 17px; text-align: center;
    padding: 16px 22px; border-radius: 3px;
}
.btn small { display: block; font-weight: 400; font-size: 12.5px; opacity: .93; margin-top: 4px; }
.btn:hover { background: var(--cta-dark); }

.stick { position: fixed; left: 0; right: 0; bottom: 0; z-index: 50; display: none;
    background: rgba(255,255,255,.97); border-top: 1px solid var(--rule);
    padding: 9px 18px calc(9px + env(safe-area-inset-bottom, 0px)); }
.stick.show { display: block; }

/* ---------- references and back matter ---------- */
.refs { margin: 34px 0 0; }
.refs ol { counter-reset: rf; }
.refs li { counter-increment: rf; position: relative; padding-left: 32px; margin-bottom: 11px; font-family: var(--sans); font-size: 14px; line-height: 1.6; color: var(--muted); }
.refs li:before { content: "[" counter(rf) "]"; position: absolute; left: 0; font-weight: 600; color: var(--flag); }

.backmatter { border-top: 1px solid var(--rule); margin-top: 38px; padding-top: 24px; }
.backmatter h2 { font-family: var(--sans); font-size: 13px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--navy); margin: 24px 0 10px; }
.backmatter p { font-family: var(--sans); font-size: 14px; line-height: 1.7; color: var(--muted); margin: 0 0 12px; }
.backmatter p b { color: var(--ink); }

.foot { background: var(--tint); border-top: 1px solid var(--rule); margin-top: 42px; padding: 26px 0 40px; }
.foot p { font-family: var(--sans); font-size: 12px; line-height: 1.65; color: var(--muted); margin: 0 0 11px; }
.foot a { color: var(--muted); }

@media only screen and (max-width: 860px) {
    .dochead .sheet { grid-template-columns: 1fr; gap: 16px; align-items: start; }
    .docmeta { text-align: left; }
}
@media only screen and (max-width: 767px) {
    body { font-size: 17px; }
    h1 { font-size: 29px; }
    .sec > h2 { font-size: 18px; }
    .abstract { padding: 18px 20px; }
    .rec { padding: 20px; }
    .rec h3 { font-size: 21px; }
    table { font-size: 14px; }
    th, td { padding-right: 8px; }
    figure.narrow { max-width: 240px; margin-left: auto; margin-right: auto; }
    .stick { display: block; }
    body.has-stick { padding-bottom: 82px; }
}

/* paired figures, for visual rhythm in a long document */
.figrow { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin: 26px 0; }
.figrow figure { margin: 0; }
.figrow img { width: 100%; }

/* lead plate under the title block */
.plate { margin: 26px 0 0; }
.plate img { width: 100%; border: 1px solid var(--rule); }
.plate figcaption { font-family: var(--sans); font-size: 12.5px; color: var(--muted); margin-top: 9px; }
.plate figcaption b { color: var(--ink); font-weight: 600; }

@media only screen and (max-width: 767px) {
    .figrow { grid-template-columns: 1fr; }
}