/*
Theme Name: Assay
Description: Editorial theme for botanical vendor trust databases. Herbarium specimen sheet aesthetic with an assay-report data language. Built for the Botanical Trust Engine.
Version: 1.0.0
Requires PHP: 8.0
Text Domain: assay
*/

/* ==========================================================================
   TOKENS
   Ground is a pale green-grey specimen paper, not a cream and not a cool white.
   The seal green is the only saturated brand colour; everything else earns its
   colour by carrying data. Vein red/green/white are used functionally, because
   in this market those three words already mean something to the reader.
   ========================================================================== */
:root {
	--ground:      #EEF0E9;
	--sheet:       #F8F9F5;
	--sheet-sunk:  #E4E7DC;
	--ink:         #171B14;
	--ink-2:       #4E5647;
	--ink-3:       #767D6E;
	--rule:        #C8CDBE;
	--rule-soft:   #DCE0D4;

	--seal:        #1E4636;
	--seal-deep:   #123024;
	--seal-wash:   #E2EAE3;

	--vein-red:    #8C2F27;
	--vein-green:  #3F6B34;
	--vein-white:  #8C9184;

	--flag:        #8A5B06;   /* ageing, caution */
	--alert:       #7E2A22;   /* stale, contradicted claim */
	--ok:          #2C6E49;

	--display: "Newsreader", Georgia, "Times New Roman", serif;
	--body:    "Public Sans", -apple-system, "Segoe UI", system-ui, sans-serif;
	--mono:    "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

	--radius: 2px;
	--wrap: 1160px;
	--measure: 68ch;
	--gap: 1.5rem;
}

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

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

body {
	margin: 0;
	background: var(--ground);
	color: var(--ink);
	font-family: var(--body);
	font-size: 17px;
	line-height: 1.6;
	font-feature-settings: "kern" 1;
	/* Faint horizontal ruling, like a specimen record sheet. */
	background-image: repeating-linear-gradient(
		to bottom, transparent 0 31px, rgba(23,27,20,.028) 31px 32px);
}

/* ==========================================================================
   TYPE
   ========================================================================== */
h1, h2, h3, h4 {
	font-family: var(--display);
	font-weight: 500;
	line-height: 1.15;
	letter-spacing: -0.012em;
	margin: 0 0 .6em;
	text-wrap: balance;
}
h1 { font-size: clamp(2rem, 4.6vw, 3.15rem); }
h2 { font-size: clamp(1.45rem, 2.7vw, 2rem); margin-top: 2.4em; }
h3 { font-size: 1.2rem; margin-top: 2em; }

p, li { max-width: var(--measure); }
p { margin: 0 0 1.1em; }

a { color: var(--seal); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--seal-deep); }
:focus-visible { outline: 2px solid var(--seal); outline-offset: 3px; }

.eyebrow {
	font-family: var(--mono);
	font-size: .68rem;
	letter-spacing: .14em;
	text-transform: uppercase;
	color: var(--ink-3);
	margin: 0 0 .9rem;
	display: block;
}

/* Data is always monospaced. It is the tell that this site deals in numbers. */
.bte-num, .bte-val, code, time { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.bte-num { font-weight: 600; letter-spacing: -.01em; }

/* ==========================================================================
   LAYOUT
   ========================================================================== */
.wrap { width: min(100% - 2.5rem, var(--wrap)); margin-inline: auto; }
.narrow { width: min(100% - 2.5rem, 74ch); margin-inline: auto; }
.stack > * + * { margin-top: var(--gap); }

.sheet {
	background: var(--sheet);
	border: 1px solid var(--rule);
	border-radius: var(--radius);
	padding: 1.6rem;
}

.grid-2 { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

/* ==========================================================================
   MASTHEAD
   ========================================================================== */
.masthead {
	border-bottom: 1px solid var(--rule);
	background: var(--sheet);
}
.masthead__in {
	display: flex; align-items: center; gap: 1.5rem;
	padding: .9rem 0; flex-wrap: wrap;
}
.brand { display: inline-flex; align-items: center; gap: .6rem; text-decoration: none; color: var(--ink); }
.brand svg { display: block; }
.brand__name { font-family: var(--display); font-size: 1.28rem; letter-spacing: -.015em; }
.brand__tag {
	font-family: var(--mono); font-size: .64rem; letter-spacing: .1em;
	text-transform: uppercase; color: var(--ink-3); display: block; margin-top: 1px;
}
.nav { display: flex; gap: 1.4rem; margin-left: auto; flex-wrap: wrap; }
.nav a {
	font-size: .88rem; text-decoration: none; color: var(--ink-2);
	padding-bottom: 2px; border-bottom: 1px solid transparent;
}
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--seal); }

/* ==========================================================================
   HERO
   ========================================================================== */
.hero { padding: 3.5rem 0 2.5rem; border-bottom: 1px solid var(--rule); }
.hero__grid { display: grid; gap: 2.5rem; grid-template-columns: minmax(0,1.05fr) minmax(0,.95fr); align-items: center; }
.hero h1 { margin-bottom: .5rem; }
.hero__lede { font-size: 1.13rem; color: var(--ink-2); max-width: 46ch; }
.hero__art { width: 100%; height: auto; border: 1px solid var(--rule); border-radius: var(--radius); background: var(--sheet); }
@media (max-width: 860px) { .hero__grid { grid-template-columns: 1fr; } }

/* ==========================================================================
   THE ASSAY BAR — signature element
   ========================================================================== */
.bte-assay { margin: 1.4rem 0; }
.bte-assay__chart { width: 100%; height: 74px; display: block; }
.bte-assay--compact .bte-assay__chart { height: 46px; }
.bte-assay__track   { fill: var(--sheet-sunk); }
.bte-assay__typical { fill: var(--seal-wash); }
.bte-assay__marker  { stroke: var(--seal-deep); stroke-width: 2.5px; }
.bte-assay--very_low      .bte-assay__marker,
.bte-assay--below_typical .bte-assay__marker { stroke: var(--alert); }
.bte-assay--above_typical .bte-assay__marker { stroke: var(--vein-green); }

.bte-assay__scale {
	display: flex; justify-content: space-between;
	font-family: var(--mono); font-size: .66rem; color: var(--ink-3);
	letter-spacing: .06em; margin-top: -.35rem;
}
.bte-assay__mid { color: var(--seal); }
.bte-assay__cap {
	display: flex; align-items: baseline; gap: .7rem; flex-wrap: wrap;
	margin-top: .7rem; padding-top: .7rem; border-top: 1px solid var(--rule-soft);
	font-size: .9rem;
}
.bte-assay__cap .bte-num { font-size: 1.35rem; }
.bte-assay__cap em { color: var(--ink-3); font-style: normal; font-size: .82rem; }

/* ==========================================================================
   VALUE BLOCK
   ========================================================================== */
.bte-value { border-left: 3px solid var(--seal); padding: .2rem 0 .2rem 1.15rem; margin: 1.6rem 0; }
.bte-value__headline { display: flex; align-items: baseline; gap: .55rem; flex-wrap: wrap; }
.bte-value__num { font-family: var(--mono); font-size: clamp(1.9rem, 4vw, 2.6rem); font-weight: 600; letter-spacing: -.03em; }
.bte-value__unit { font-size: .95rem; color: var(--ink-2); }
.bte-value__work, .bte-value__cmp { font-size: .87rem; color: var(--ink-2); margin: .45rem 0 0; }
.bte-value__work { font-family: var(--mono); font-size: .8rem; color: var(--ink-3); }

.bte-consistency { padding: 1rem 1.15rem; background: var(--sheet); border: 1px solid var(--rule); border-radius: var(--radius); }
.bte-consistency.is-wide { border-left: 3px solid var(--flag); }
.bte-consistency p:last-child { margin-bottom: 0; font-size: .92rem; color: var(--ink-2); }

/* ==========================================================================
   DATA ROWS — an honest gap is styled, not hidden
   ========================================================================== */
.bte-rows { margin: 0; }
.bte-row {
	display: grid; grid-template-columns: minmax(190px, 34%) 1fr;
	gap: 1rem; padding: .62rem 0; border-bottom: 1px solid var(--rule-soft);
}
.bte-row dt { color: var(--ink-2); font-size: .89rem; margin: 0; }
.bte-row dd { margin: 0; display: flex; align-items: baseline; gap: .55rem; flex-wrap: wrap; }
.bte-row--null dt, .bte-row--null dd { opacity: .78; }
.bte-null { color: var(--ink-3); font-style: italic; }
.bte-src {
	font-family: var(--mono); font-size: .68rem; letter-spacing: .06em;
	text-transform: uppercase; text-decoration: none;
	border: 1px solid var(--rule); border-radius: var(--radius);
	padding: 1px 5px; color: var(--ink-3);
}
.bte-src:hover { border-color: var(--seal); color: var(--seal); }
.bte-when { font-size: .7rem; color: var(--ink-3); }
@media (max-width: 640px) { .bte-row { grid-template-columns: 1fr; gap: .2rem; } }

/* ==========================================================================
   BADGES
   ========================================================================== */
.bte-badge {
	display: inline-block; font-family: var(--mono); font-size: .68rem;
	letter-spacing: .05em; padding: 3px 8px; border-radius: var(--radius);
	border: 1px solid var(--rule); background: var(--sheet); color: var(--ink-2);
}
.bte-badge--fresh, .bte-badge--ok { border-color: var(--ok); color: var(--ok); }
.bte-badge--ageing { border-color: var(--flag); color: var(--flag); }
.bte-badge--stale, .bte-badge--alert { border-color: var(--alert); color: var(--alert); background: #FAF0EE; }

/* ==========================================================================
   BYLINE, CHANGELOG, VERIFICATION
   ========================================================================== */
.bte-byline { border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); padding: .85rem 0; margin: 1.6rem 0; }
.bte-byline__line { font-size: .88rem; margin: 0 0 .25rem; max-width: none; }
.bte-byline__line:last-child { margin-bottom: 0; }
.bte-byline__exp { color: var(--ink-3); font-size: .82rem; display: block; }
.bte-byline__meta { font-family: var(--mono); font-size: .72rem; color: var(--ink-3); }

.bte-log { margin: 2rem 0; font-size: .87rem; }
.bte-log summary { cursor: pointer; font-family: var(--mono); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); }
.bte-log ol { margin: .9rem 0 0; padding-left: 1.1rem; }
.bte-log li { margin-bottom: .4rem; color: var(--ink-2); }
.bte-log time { color: var(--ink-3); margin-right: .5rem; font-size: .78rem; }

.bte-verify { width: 100%; border-collapse: collapse; font-size: .88rem; margin: 1rem 0; }
.bte-verify caption { text-align: left; font-family: var(--mono); font-size: .7rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); padding-bottom: .5rem; }
.bte-verify th { text-align: left; font-weight: 600; font-size: .78rem; color: var(--ink-2); border-bottom: 1px solid var(--rule); padding: .4rem .6rem .4rem 0; }
.bte-verify td { padding: .45rem .6rem .45rem 0; border-bottom: 1px solid var(--rule-soft); }
.bte-verify tr.is-worked td:nth-child(2) { color: var(--ok); }
.bte-verify tr.is-failed td:nth-child(2) { color: var(--alert); }

/* ==========================================================================
   COUPON
   ========================================================================== */
.code-plate {
	display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
	background: var(--seal); color: #F2F5EE; padding: 1.15rem 1.35rem;
	border-radius: var(--radius);
}
.code-plate__code {
	font-family: var(--mono); font-size: 1.5rem; font-weight: 600; letter-spacing: .06em;
	background: rgba(255,255,255,.11); border: 1px dashed rgba(242,245,238,.5);
	padding: .35rem .85rem; border-radius: var(--radius);
}
.code-plate__meta { font-size: .85rem; opacity: .88; }
.code-plate button {
	font-family: var(--mono); font-size: .74rem; letter-spacing: .08em; text-transform: uppercase;
	background: #F2F5EE; color: var(--seal-deep); border: 0; border-radius: var(--radius);
	padding: .55rem .95rem; cursor: pointer; margin-left: auto;
}

.bte-cta { margin: 1.5rem 0; }
.bte-btn {
	display: inline-block; background: var(--seal); color: #F2F5EE;
	padding: .78rem 1.5rem; border-radius: var(--radius); text-decoration: none;
	font-weight: 600; font-size: .95rem;
}
.bte-btn:hover { background: var(--seal-deep); color: #F2F5EE; }
.bte-cta__disc { font-size: .78rem; color: var(--ink-3); margin: .6rem 0 0; max-width: 56ch; }

.signal { display: flex; gap: .6rem; align-items: center; margin: 1rem 0; font-size: .84rem; flex-wrap: wrap; }
.signal button {
	font-family: var(--body); font-size: .82rem; background: var(--sheet);
	border: 1px solid var(--rule); border-radius: var(--radius);
	padding: .38rem .8rem; cursor: pointer; color: var(--ink-2);
}
.signal button:hover { border-color: var(--seal); color: var(--seal); }

/* ==========================================================================
   VENDOR INDEX
   ========================================================================== */
.vlist { border-top: 1px solid var(--rule); }
.vlist__item {
	display: grid; grid-template-columns: minmax(0,1.4fr) minmax(0,1fr) auto;
	gap: 1.5rem; align-items: center; padding: 1.15rem 0;
	border-bottom: 1px solid var(--rule-soft);
}
.vlist__name { font-family: var(--display); font-size: 1.2rem; margin: 0 0 .2rem; }
.vlist__name a { text-decoration: none; color: var(--ink); }
.vlist__name a:hover { color: var(--seal); }
.vlist__sub { font-size: .82rem; color: var(--ink-3); margin: 0; }
.vlist__cpg { font-family: var(--mono); font-size: 1.1rem; font-weight: 600; text-align: right; }
.vlist__cpg span { display: block; font-size: .66rem; font-weight: 400; color: var(--ink-3); letter-spacing: .05em; }
@media (max-width: 720px) { .vlist__item { grid-template-columns: 1fr; gap: .6rem; } .vlist__cpg { text-align: left; } }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.foot { border-top: 1px solid var(--rule); margin-top: 4rem; padding: 2.5rem 0 3rem; background: var(--sheet); }
.foot__grid { display: grid; gap: 2rem; grid-template-columns: repeat(auto-fit, minmax(200px,1fr)); }
.foot h4 { font-family: var(--mono); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); margin-bottom: .7rem; }
.foot ul { list-style: none; padding: 0; margin: 0; }
.foot li { margin-bottom: .35rem; font-size: .88rem; }
.foot__legal { margin-top: 2rem; padding-top: 1.2rem; border-top: 1px solid var(--rule-soft); font-size: .8rem; color: var(--ink-3); max-width: 78ch; }

/* ==========================================================================
   ACCESSIBILITY FLOOR
   ========================================================================== */
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 1rem; top: 1rem; z-index: 99; background: var(--seal); color: #fff; padding: .6rem 1rem; }
@media (prefers-reduced-motion: reduce) {
	*, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}
@media print {
	body { background: #fff; }
	.nav, .bte-cta, .signal, .code-plate button { display: none; }
}

/* ==========================================================================
   AUTHOR PROFILE
   ========================================================================== */
.author-card { max-width: 78ch; margin-bottom: 2.5rem; }
.author-card h1 { margin-bottom: .2rem; }
.author-card__bio { font-size: 1.05rem; color: var(--ink-2); margin-bottom: 1.5rem; }
.author-card__links { font-size: .85rem; color: var(--ink-3); margin-top: 1.2rem; }
.author-card__links a { margin-right: .7rem; font-family: var(--mono); font-size: .8rem; }

/* ==========================================================================
   FAQ
   Rendered as open-by-default disclosures so the answers are real visible
   content, not markup describing text a reader cannot see.
   ========================================================================== */
.bte-faq { margin: 3rem 0 2rem; max-width: 78ch; }
.bte-faq h2 { margin-top: 0; }
.bte-faq__item { border-bottom: 1px solid var(--rule-soft); padding: .1rem 0; }
.bte-faq__item:first-of-type { border-top: 1px solid var(--rule); }
.bte-faq__item summary {
	cursor: pointer; list-style: none; padding: .85rem 2rem .85rem 0;
	font-family: var(--display); font-size: 1.06rem; line-height: 1.3;
	color: var(--ink); position: relative;
}
.bte-faq__item summary::-webkit-details-marker { display: none; }
.bte-faq__item summary::after {
	content: "+"; position: absolute; right: .3rem; top: .72rem;
	font-family: var(--mono); font-size: 1.2rem; color: var(--ink-3); line-height: 1;
}
.bte-faq__item[open] summary::after { content: "\2212"; }
.bte-faq__item summary:hover { color: var(--seal); }
.bte-faq__a { padding: 0 0 1rem; }
.bte-faq__a p { font-size: .95rem; color: var(--ink-2); margin-bottom: .7rem; }
.bte-faq__a p:last-child { margin-bottom: 0; }