/* Wanli Works — site styles
   Layout concept: a governance document set in a calm grid — left-aligned, a deep-teal band for
   statements, white working pages, gold used only as a marker (gates, rules, the decision line).
   Brand: Canva Brand Kit "Wanli Works" (locked 10 Oct 2026). One family: Source Sans 3. */
:root {
  /* brand */
  --wanli-teal: #3B8294;
  --wanli-teal-dark: #265460;
  --wanli-teal-deep: #1B3A43;
  --wanli-gold: #ECD068;
  --gold-dark: #827239;
  --ink: #191919;
  /* semantic (light) */
  --bg: #FFFFFF;
  --surface: #F3F7F8;
  --surface-2: #E2ECEF;
  --fg: #191919;
  --muted: #4B5D62;
  --line: #D3E1E4;
  --accent: #265460;          /* teal text, links: 8.3:1 */
  --accent-fill: #3B8294;     /* fills, large display only */
  --marker: #ECD068;          /* gold marker, never text on white */
  --marker-text: #827239;
  --band: #1B3A43;
  --band-fg: #FFFFFF;
  --band-muted: #B1CDD4;
  --icon-bg: #E2ECEF;
  --icon-fg: #3B8294;
  --rag-g: #2F7D4F; --rag-a: #B7791F; --rag-r: #B23A3A;
  --focus: #3B8294;
  /* type */
  --font: "Source Sans 3", "Source Sans Pro", "Segoe UI", Helvetica, Arial, sans-serif;
  --fs-xs: .8125rem; --fs-sm: .9375rem; --fs-base: 1.0625rem; --fs-md: 1.25rem;
  --fs-lg: 1.625rem; --fs-xl: 2.25rem; --fs-2xl: clamp(2.25rem, 4.6vw, 3.5rem);
  --measure: 66ch;
  --wrap: 1180px;
  --gutter: clamp(16px, 4vw, 40px);
  --radius: 6px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0F2126; --surface: #142C33; --surface-2: #1B3A43; --fg: #E6EEF0; --muted: #A7BCC2;
    --line: #2A4A53; --accent: #8CC4D1; --accent-fill: #5FA3B4; --marker: #ECD068; --marker-text: #ECD068;
    --band: #0A171B; --band-fg: #F3F7F8; --band-muted: #9DBDC5; --icon-bg: #1B3A43; --icon-fg: #ECD068;
    --rag-g: #5DBB84; --rag-a: #E0A845; --rag-r: #E07070; --focus: #ECD068; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0F2126; --surface: #142C33; --surface-2: #1B3A43; --fg: #E6EEF0; --muted: #A7BCC2;
  --line: #2A4A53; --accent: #8CC4D1; --accent-fill: #5FA3B4; --marker: #ECD068; --marker-text: #ECD068;
  --band: #0A171B; --band-fg: #F3F7F8; --band-muted: #9DBDC5; --icon-bg: #1B3A43; --icon-fg: #ECD068;
  --rag-g: #5DBB84; --rag-a: #E0A845; --rag-r: #E07070; --focus: #ECD068; color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }
body { margin: 0; background: var(--bg); color: var(--fg); font-family: var(--font); font-size: var(--fs-base); line-height: 1.6; }
img, svg { max-width: 100%; }
a { color: var(--accent); text-underline-offset: .18em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 2px; }
h1, h2, h3, h4 { line-height: 1.18; text-wrap: balance; margin: 0; font-weight: 600; letter-spacing: -.01em; }
h1 { font-size: var(--fs-2xl); font-weight: 700; letter-spacing: -.02em; }
h2 { font-size: var(--fs-xl); }
h3 { font-size: var(--fs-md); }
p { margin: 0; }
p + p { margin-block-start: .9em; }
ul { margin: 0; padding-inline-start: 1.1em; }
li + li { margin-block-start: .35em; }
.skip { position: absolute; inset-inline-start: -999px; top: 0; background: var(--band); color: var(--band-fg); padding: .6em 1em; z-index: 100; }
.skip:focus { inset-inline-start: 0; }

.wrap { max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }
.eyebrow { font-size: var(--fs-xs); font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--marker-text); }
.band .eyebrow { color: var(--marker); }
.lede { font-size: var(--fs-md); color: var(--muted); max-width: 60ch; font-weight: 300; line-height: 1.5; }
.band .lede { color: var(--band-muted); }
.prose { max-width: var(--measure); }
.muted { color: var(--muted); }
.small { font-size: var(--fs-sm); }
.num { font-variant-numeric: tabular-nums lining-nums; }

/* header */
.site-head { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50; background: var(--bg); border-block-end: 1px solid var(--line); }
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 68px; }
.brand { display: inline-flex; align-items: center; gap: .65rem; color: var(--fg); text-decoration: none; }
.brand svg { width: 34px; height: 34px; color: var(--accent-fill); flex: none; }
.brand span { font-weight: 600; letter-spacing: .14em; font-size: .95rem; text-transform: uppercase; }
.nav { display: flex; align-items: center; gap: .25rem; }
.nav a { color: var(--fg); text-decoration: none; font-size: var(--fs-sm); font-weight: 500; padding: .45rem .6rem; border-radius: var(--radius); }
.nav a:hover { background: var(--surface); }
.nav a[aria-current="page"] { color: var(--accent); box-shadow: inset 0 -2px 0 var(--marker); border-radius: 0; }
.nav .cta { background: var(--band); color: var(--band-fg); padding-inline: .9rem; margin-inline-start: .4rem; }
.nav .cta:hover { background: var(--wanli-teal-dark); }
.nav .cta[aria-current="page"] { box-shadow: none; border-radius: var(--radius); color: var(--band-fg); }
.menu { display: none; }
@media (max-width: 980px) {
  .nav { display: none; }
  .menu { display: block; position: relative; }
  .menu summary { list-style: none; cursor: pointer; font-weight: 600; font-size: var(--fs-sm); padding: .5rem .8rem; border: 1px solid var(--line); border-radius: var(--radius); }
  .menu summary::-webkit-details-marker { display: none; }
  .menu[open] .nav { display: flex; flex-direction: column; align-items: stretch; position: absolute; inset-inline-end: 0; top: calc(100% + .5rem); background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: .5rem; min-width: 220px; box-shadow: 0 12px 30px rgba(0,0,0,.12); }
  .menu[open] .nav .cta { margin: .3rem 0 0; text-align: center; }
}

/* sections */
section { padding-block: clamp(3rem, 7vw, 5.5rem); }
section.tight { padding-block: clamp(2rem, 4vw, 3rem); }
.alt { background: var(--surface); }
.band { background: var(--band); color: var(--band-fg); }
.band a { color: var(--marker); }
.head { display: grid; gap: .9rem; margin-block-end: clamp(1.8rem, 4vw, 2.8rem); max-width: 760px; }
.page-hero { padding-block: clamp(3rem, 7vw, 5rem) clamp(2.5rem, 5vw, 3.5rem); border-block-end: 1px solid var(--line); }
.page-hero .head { margin: 0; }

/* hero */
.hero { padding-block: clamp(3rem, 7vw, 5.5rem); }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.hero h1 { color: var(--band-fg); }
.hero h1 em { font-style: normal; color: var(--marker); }
.hero .actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-block-start: 1.8rem; }
@media (max-width: 900px) { .hero .wrap { grid-template-columns: minmax(0, 1fr); } }

.btn { display: inline-flex; align-items: center; gap: .5rem; font-weight: 600; font-size: var(--fs-sm); text-decoration: none; padding: .75rem 1.15rem; border-radius: var(--radius); border: 1px solid transparent; }
.btn-gold, .band a.btn-gold { background: var(--marker); color: #191919; }
.btn-gold:hover { background: #F2DC8C; }
.btn-line { border-color: var(--band-muted); color: var(--band-fg) !important; }
.btn-line:hover { border-color: var(--band-fg); }
.btn-dark { background: var(--band); color: var(--band-fg) !important; }
.btn-dark:hover { background: var(--wanli-teal-dark); }

/* board summary card (hero) */
.board { margin: 0; background: #FFFFFF; color: #191919; border-radius: 8px; padding: 1.3rem 1.4rem 1.2rem; box-shadow: 0 24px 60px rgba(0,0,0,.28); font-size: var(--fs-sm); }
.board .bhead { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; border-block-end: 1px solid #D3E1E4; padding-block-end: .7rem; }
.board .bhead b { font-size: .95rem; }
.board .tag { font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: #4B5D62; }
.board .decision { margin-block: 1rem; padding: .8rem .9rem; background: #FBF6E1; border-inline-start: 3px solid #ECD068; }
.board .decision small { display: block; font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: #827239; font-weight: 700; }
.board .decision p { font-weight: 600; margin-block: .2rem .45rem; line-height: 1.35; }
.board .meta { display: flex; gap: 1.2rem; color: #4B5D62; font-size: .82rem; }
.board table { width: 100%; border-collapse: collapse; }
.board td { padding: .42rem 0; border-block-start: 1px solid #E2ECEF; }
.board td:last-child { text-align: end; }
.rag { white-space: nowrap; display: inline-flex; align-items: center; gap: .35rem; font-size: .78rem; font-weight: 600; }
.rag::before { content: ""; width: .6rem; height: .6rem; border-radius: 50%; background: currentColor; }
.board .g { color: #2F7D4F; } .board .a { color: #A8650F; } .board .r { color: #B23A3A; }
.board .foot { margin-block-start: .8rem; font-size: .72rem; color: #4B5D62; }

/* figures */
.figs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; border-block-start: 1px solid var(--line); }
.fig { padding: 1.5rem 1.4rem 1.6rem 0; border-block-end: 1px solid var(--line); display: grid; gap: .3rem; align-content: start; }
.fig:nth-child(3n+2), .fig:nth-child(3n+3) { padding-inline-start: 1.4rem; border-inline-start: 1px solid var(--line); }
.fig b { font-size: var(--fs-lg); font-weight: 700; color: var(--accent); font-variant-numeric: tabular-nums lining-nums; line-height: 1.1; }
.fig span { color: var(--muted); font-size: var(--fs-sm); }
@media (max-width: 760px) {
  .figs { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .fig:nth-child(n) { padding-inline: 0 1rem; border-inline-start: 0; }
  .fig:nth-child(2n) { padding-inline-start: 1rem; border-inline-start: 1px solid var(--line); }
}
.attr { margin-block-start: 1rem; font-size: var(--fs-xs); color: var(--muted); }

/* grids & cards */
.grid { display: grid; gap: clamp(1rem, 2.4vw, 1.6rem); }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 980px) { .g3, .g4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .g2, .g3, .g4 { grid-template-columns: minmax(0, 1fr); } }
.card { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.4rem; display: grid; gap: .65rem; align-content: start; min-width: 0; }
.alt .card { background: var(--bg); }
.card h3 { font-size: 1.15rem; }
.card p { color: var(--muted); font-size: var(--fs-sm); }
a.card { text-decoration: none; color: inherit; }
a.card:hover { border-color: var(--accent-fill); }
a.card .more { color: var(--accent); font-weight: 600; font-size: var(--fs-sm); }
.ibox { width: 44px; height: 44px; border-radius: 50%; background: var(--icon-bg); color: var(--icon-fg); display: grid; place-items: center; }
.ibox .ico { width: 22px; height: 22px; }

/* principle list */
.plist { list-style: none; padding: 0; margin: 0; display: grid; gap: 0; counter-reset: p; }
.plist li { display: grid; grid-template-columns: 3rem minmax(0, 1fr); gap: 1rem; padding-block: 1.1rem; border-block-start: 1px solid var(--line); margin: 0; counter-increment: p; }
.plist li::before { content: counter(p); font-weight: 700; font-size: var(--fs-lg); color: var(--marker-text); line-height: 1; font-variant-numeric: tabular-nums; }
.band .plist li { border-color: rgba(255,255,255,.14); }
.band .plist li::before { color: var(--marker); }
.plist b { display: block; font-size: 1.1rem; margin-block-end: .2rem; }
.plist span { color: var(--muted); }
.band .plist span { color: var(--band-muted); }

/* service detail */
.svc { display: grid; grid-template-columns: minmax(0, 300px) minmax(0, 1fr); gap: clamp(1.5rem, 4vw, 3.5rem); padding-block: clamp(2rem, 4vw, 2.8rem); border-block-start: 1px solid var(--line); scroll-margin-top: 90px; }
.svc:first-of-type { border-block-start: 0; }
.svc .side { display: grid; gap: .8rem; align-content: start; }
.svc .problem { color: var(--muted); }
.svc .body { display: grid; gap: 1.2rem; min-width: 0; }
.svc h4 { font-size: var(--fs-xs); letter-spacing: .12em; text-transform: uppercase; color: var(--marker-text); }
.chips { display: flex; flex-wrap: wrap; gap: .45rem; list-style: none; padding: 0; margin: 0; }
.chips li { margin: 0; font-size: var(--fs-sm); padding: .3rem .65rem; background: var(--surface); border: 1px solid var(--line); border-radius: 999px; }
@media (max-width: 760px) { .svc { grid-template-columns: minmax(0, 1fr); } }

/* tables */
.tbl { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg); }
table.data { width: 100%; border-collapse: collapse; font-size: var(--fs-sm); min-width: 640px; }
table.data th, table.data td { text-align: start; vertical-align: top; padding: .85rem 1rem; border-block-end: 1px solid var(--line); }
table.data thead th { background: var(--surface-2); font-size: var(--fs-xs); letter-spacing: .08em; text-transform: uppercase; font-weight: 700; color: var(--fg); }
table.data tbody tr:last-child td { border-block-end: 0; }
table.data td:first-child { font-weight: 600; }

/* gate track (lifecycle) */
.track { overflow-x: auto; padding-block-end: .5rem; }
.track ol { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(8, minmax(118px, 1fr)); min-width: 940px; position: relative; }
.track ol::before { content: ""; position: absolute; inset-inline: 0; top: 15px; height: 2px; background: var(--line); }
.track li { margin: 0; position: relative; padding-inline-end: .8rem; display: grid; gap: .5rem; }
.track .gate { width: 32px; height: 32px; border-radius: 50%; background: var(--bg); border: 2px solid var(--accent-fill); display: grid; place-items: center; font-weight: 700; font-size: .8rem; color: var(--accent); position: relative; }
.track li:last-child .gate { background: var(--marker); border-color: var(--marker); color: #191919; }
.track b { font-size: var(--fs-sm); line-height: 1.25; }
.track span { font-size: var(--fs-xs); color: var(--muted); line-height: 1.4; }

/* steps (method) */
.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; list-style: none; padding: 0; margin: 0; }
.steps li { margin: 0; padding: 1.4rem 1.3rem 1.5rem; border-block-start: 3px solid var(--accent-fill); display: grid; gap: .55rem; align-content: start; background: var(--bg); }
.steps li + li { border-inline-start: 1px solid var(--line); }
.steps .n { font-size: var(--fs-xs); font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--marker-text); }
.steps h3 { font-size: 1.2rem; }
.steps p { color: var(--muted); font-size: var(--fs-sm); }
.steps .out { font-size: var(--fs-xs); color: var(--fg); border-block-start: 1px dashed var(--line); padding-block-start: .55rem; }
.band .steps li { background: transparent; border-color: var(--marker); }
@media (max-width: 900px) { .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); } .steps li:nth-child(3) { border-inline-start: 0; } }
@media (max-width: 560px) { .steps { grid-template-columns: minmax(0, 1fr); } .steps li + li { border-inline-start: 0; } }

/* experience */
.case { display: grid; grid-template-columns: minmax(0, 260px) minmax(0, 1fr); gap: clamp(1.2rem, 4vw, 3rem); padding-block: 2.2rem; border-block-start: 1px solid var(--line); }
.case .side { display: grid; gap: .45rem; align-content: start; }
.case .when { font-size: var(--fs-sm); color: var(--muted); font-variant-numeric: tabular-nums; }
.case .org { font-weight: 600; }
.case .body { display: grid; gap: .9rem; min-width: 0; }
.case .result { padding: .8rem 1rem; background: var(--surface); border-inline-start: 3px solid var(--marker); font-weight: 500; }
@media (max-width: 760px) { .case { grid-template-columns: minmax(0, 1fr); } }

/* team */
.person { display: grid; grid-template-columns: minmax(0, 300px) minmax(0, 1fr); gap: clamp(1.5rem, 4vw, 3.5rem); padding-block: clamp(2rem, 4vw, 3rem); border-block-start: 1px solid var(--line); }
.person:first-of-type { border-block-start: 0; }
.monogram { width: 96px; height: 96px; border-radius: 50%; background: var(--band); color: var(--marker); display: grid; place-items: center; font-weight: 600; font-size: 1.8rem; letter-spacing: .04em; }
.person .side { display: grid; gap: .7rem; align-content: start; }
.person .role { color: var(--accent); font-weight: 600; }
.person .body { display: grid; gap: 1.4rem; min-width: 0; }
.person h4 { font-size: var(--fs-xs); letter-spacing: .12em; text-transform: uppercase; color: var(--marker-text); margin-block-end: .5rem; }
@media (max-width: 760px) { .person { grid-template-columns: minmax(0, 1fr); } }

/* CTA band */
.cta-band .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.5rem; }
.cta-band h2 { font-size: var(--fs-lg); color: var(--band-fg); max-width: 30ch; }

/* contact */
.contact-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 0; }
.contact-list li { margin: 0; display: grid; grid-template-columns: 8rem minmax(0, 1fr); gap: 1rem; padding-block: 1rem; border-block-start: 1px solid var(--line); align-items: baseline; }
.contact-list .k { font-size: var(--fs-xs); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); font-weight: 700; }
.contact-list .v { font-size: var(--fs-md); font-weight: 600; overflow-wrap: anywhere; }
.contact-list .v a { text-decoration: none; }
.copy { margin-inline-start: .6rem; font: inherit; font-size: var(--fs-xs); font-weight: 600; color: var(--accent); background: transparent; border: 1px solid var(--line); border-radius: 999px; padding: .15rem .6rem; cursor: pointer; vertical-align: middle; }
@media (max-width: 520px) { .contact-list li { grid-template-columns: minmax(0, 1fr); gap: .2rem; } }

/* footer */
.site-foot { background: var(--band); color: var(--band-muted); padding-block: 3rem 2.2rem; font-size: var(--fs-sm); }
.site-foot .wrap { display: grid; grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr)); gap: 2rem; }
.site-foot .brand { color: var(--band-fg); }
.site-foot .brand svg { color: var(--marker); }
.site-foot h2 { font-size: var(--fs-xs); letter-spacing: .12em; text-transform: uppercase; color: var(--band-fg); margin-block-end: .8rem; }
.site-foot ul { list-style: none; padding: 0; }
.site-foot a { color: var(--band-muted); text-decoration: none; }
.site-foot a:hover { color: var(--band-fg); text-decoration: underline; }
.site-foot .legal { grid-column: 1 / -1; border-block-start: 1px solid rgba(255,255,255,.12); padding-block-start: 1.4rem; display: flex; flex-wrap: wrap; justify-content: space-between; gap: .8rem; font-size: var(--fs-xs); }
@media (max-width: 860px) { .site-foot .wrap { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } .site-foot .wrap > :first-child { grid-column: 1 / -1; } }

.note { font-size: var(--fs-xs); color: var(--muted); }
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(1.5rem, 5vw, 4rem); align-items: start; }
@media (max-width: 860px) { .split { grid-template-columns: minmax(0, 1fr); } }
.rule { width: 48px; height: 3px; background: var(--marker); border: 0; margin: 0; }