/* BTC Flowers · style.css
   A herbarium sheet: mounted plates, hairline frames, tipped-in labels. */

:root {
  color-scheme: light;

  /* palette seeds */
  --blush: #FBEDEA;
  --ivory: #FFFAF5;
  --leaf: #1E3A2B;
  --leaf-mid: #3F7A55;
  --orchid: #7A2E5C;
  --rose: #D96C8A;           /* decorative / large only */

  /* derived tokens (all text pairs verified >= 4.5:1) */
  --ink: #1E3A2B;
  --ink-soft: #4A5D50;       /* 6.2:1 on blush */
  --leaf-text: #2F6244;      /* mid-leaf, darkened for small text: 6.2:1 on blush */
  --link: #7A2E5C;           /* 7.7:1 on blush */
  --link-hover: #1E3A2B;
  --paper: #FFFAF5;
  --paper-warm: #F6EADD;
  --mount: #E9DCC8;
  --label: #FFFDF8;
  --on-dark: #FFFAF5;
  --on-dark-soft: #D5E2D8;   /* 9.3:1 on leaf */
  --error: #8C1F3A;
  --hair: rgba(30, 58, 43, .38);
  --hair-soft: rgba(30, 58, 43, .18);

  --font-display: Didot, "Bodoni 72", "Bodoni MT", Georgia, "Times New Roman", serif;
  --font-body: "Gill Sans", "Gill Sans MT", Calibri, "Trebuchet MS", "Segoe UI", sans-serif;

  /* fluid type */
  --t-xs: clamp(.8125rem, .79rem + .1vw, .875rem);
  --t-sm: clamp(.9rem, .87rem + .15vw, .975rem);
  --t-base: clamp(1rem, .96rem + .22vw, 1.125rem);
  --t-lg: clamp(1.15rem, 1.05rem + .5vw, 1.45rem);
  --t-xl: clamp(1.5rem, 1.2rem + 1.4vw, 2.25rem);
  --t-2xl: clamp(2rem, 1.4rem + 3vw, 3.75rem);
  --t-hero: clamp(2.4rem, 1.5rem + 4vw, 5rem);

  /* spacing scale */
  --s1: 4px; --s2: 8px; --s3: 12px; --s4: 16px; --s5: 24px; --s6: 32px; --s7: 48px;
  --s8: clamp(48px, 7vw, 96px);
  --s9: clamp(72px, 10vw, 152px);

  --gutter: clamp(16px, 4vw, 56px);
  --lead: clamp(16px, 7vw, 132px);     /* generous, asymmetric left margin */
  --maxw: 1320px;

  --shadow-plate:
    0 1px 0 rgba(255, 255, 255, .8) inset,
    0 1px 1px rgba(30, 58, 43, .12),
    0 6px 12px -4px rgba(30, 58, 43, .14),
    0 22px 38px -18px rgba(30, 58, 43, .28),
    0 46px 70px -40px rgba(122, 46, 92, .32);
  --shadow-small:
    0 1px 1px rgba(30, 58, 43, .14),
    0 4px 10px -4px rgba(30, 58, 43, .22);

  --grain: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .12 0 0 0 0 .23 0 0 0 0 .17 0 0 0 .075 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  --sprig: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='20' viewBox='0 0 120 20'%3E%3Cpath d='M0 10H46M74 10H120' stroke='%231E3A2B' stroke-opacity='.45' stroke-width='1' fill='none'/%3E%3Cg fill='none' stroke='%231E3A2B' stroke-opacity='.7' stroke-width='1.1'%3E%3Cpath d='M60 16V8'/%3E%3Cpath d='M60 11C54 10 51 6 51 3C57 3 60 7 60 11Z'/%3E%3Cpath d='M60 11C66 10 69 6 69 3C63 3 60 7 60 11Z'/%3E%3C/g%3E%3Ccircle cx='60' cy='5' r='1.6' fill='%237A2E5C'/%3E%3C/svg%3E");
}

/* ------------------------------------------------------------------ base */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
[hidden] { display: none !important; }
body {
  margin: 0;
  min-width: 320px;
  background-color: var(--blush);
  background-image: var(--grain);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--t-base);
  line-height: 1.65;
  overflow-x: hidden;
}
img, svg { max-width: 100%; }
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.08;
  margin: 0 0 var(--s4);
  letter-spacing: -.01em;
  text-wrap: balance;
}
h1 { font-size: var(--t-hero); }
h2 { font-size: var(--t-2xl); }
h3 { font-size: var(--t-xl); }
h1 em, h2 em, h3 em { font-style: italic; color: var(--orchid); }
p { margin: 0 0 var(--s4); }
a { color: var(--link); text-decoration-thickness: 1px; text-underline-offset: .22em; }
a:hover { color: var(--link-hover); text-decoration-thickness: 2px; }
code, kbd, output, .mono { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: .9em; }
ul, ol { padding-left: 1.2em; margin: 0 0 var(--s4); }
li { margin-bottom: var(--s2); }
hr { border: 0; height: 20px; background: var(--sprig) center / 120px 20px no-repeat; margin: var(--s7) auto; max-width: 480px; }

:focus-visible {
  outline: 3px solid var(--orchid);
  outline-offset: 3px;
  border-radius: 3px;
}
.site-footer :focus-visible { outline-color: var(--blush); }

.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip {
  position: absolute; left: var(--s4); top: -80px; z-index: 100;
  background: var(--leaf); color: var(--on-dark); padding: var(--s3) var(--s5);
  border-radius: 0 0 6px 6px; text-decoration: none; font-weight: 700;
}
.skip:focus { top: 0; color: var(--on-dark); }

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.wrap--lead { padding-left: var(--lead); }

.kicker {
  font-size: var(--t-xs);
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--orchid);
  font-weight: 700;
  margin-bottom: var(--s4);
}
.lede { font-size: var(--t-lg); line-height: 1.55; max-width: 38em; }
.lede em, .prose em { font-family: var(--font-display); font-size: 1.06em; }
.soft { color: var(--ink-soft); }
.small { font-size: var(--t-sm); }
.latin, .latin-inline { font-family: var(--font-display); font-style: italic; }

/* ---------------------------------------------------------------- header */
.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--s2) var(--s6);
  max-width: var(--maxw);
  margin-inline: auto;
  padding: var(--s4) var(--gutter) var(--s3);
  padding-left: max(var(--gutter), calc(var(--lead) * .6));
  position: relative;
}
.site-header::after {
  content: "";
  position: absolute; left: var(--gutter); right: var(--gutter); bottom: 0;
  border-bottom: 1px solid var(--hair);
}
.brand {
  display: inline-flex; align-items: center; gap: var(--s3);
  min-height: 48px;
  text-decoration: none; color: var(--ink);
  font-family: var(--font-display); font-size: 1.55rem; letter-spacing: -.01em;
}
.brand:hover { color: var(--ink); }
.brand em { color: var(--orchid); font-style: italic; }
.brand__mark { width: 38px; height: 38px; flex: none; }
.site-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0 var(--s1); }
.site-nav li { margin: 0; }
.site-nav a {
  display: inline-flex; align-items: baseline; gap: .45em;
  min-height: 44px; padding: 10px 12px;
  align-items: center;
  color: var(--ink); text-decoration: none;
  font-size: var(--t-sm); letter-spacing: .04em;
  border-bottom: 2px solid transparent;
  transition: border-color .25s ease, color .25s ease, background-color .25s ease;
}
.site-nav .num {
  font-family: var(--font-display); font-style: italic; font-size: .95em; color: var(--orchid);
}
.site-nav a:hover { border-bottom-color: var(--rose); color: var(--ink); background: rgba(255, 250, 245, .6); }
.site-nav a[aria-current="page"] { border-bottom-color: var(--orchid); font-weight: 700; }

/* --------------------------------------------------------------- buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--s2);
  min-height: 46px; padding: 10px 22px;
  font: inherit; font-size: var(--t-sm); font-weight: 700; letter-spacing: .05em;
  color: var(--leaf); background: var(--ivory);
  border: 1.5px solid var(--leaf); border-radius: 3px;
  text-decoration: none; cursor: pointer;
  box-shadow: 0 2px 0 var(--leaf);
  transition: transform .18s ease, box-shadow .18s ease, background-color .2s ease, color .2s ease;
}
.btn:hover { background: var(--blush); color: var(--leaf); transform: translateY(-1px); box-shadow: 0 3px 0 var(--leaf); }
.btn:active { transform: translateY(1px); box-shadow: 0 0 0 var(--leaf); }
.btn--primary { background: var(--leaf); color: var(--on-dark); border-color: var(--leaf); box-shadow: 0 2px 0 var(--orchid); }
.btn--primary:hover { background: var(--orchid); color: var(--on-dark); border-color: var(--orchid); box-shadow: 0 3px 0 var(--leaf); }
.btn--accent { background: var(--orchid); color: var(--on-dark); border-color: var(--orchid); box-shadow: 0 2px 0 var(--leaf); }
.btn--accent:hover { background: var(--leaf); color: var(--on-dark); border-color: var(--leaf); }
.btn--small { min-height: 42px; padding: 6px 14px; font-size: var(--t-xs); }
.btn--quiet { border-style: dashed; box-shadow: none; background: transparent; }
.btn--quiet:hover { box-shadow: none; background: var(--ivory); }
.btn-row { display: flex; flex-wrap: wrap; gap: var(--s3); align-items: center; }

/* ----------------------------------------------------------------- forms */
label, .field-label { display: block; font-weight: 700; font-size: var(--t-sm); letter-spacing: .04em; margin-bottom: var(--s2); }
label .opt, .field-label .opt { font-weight: 400; color: var(--ink-soft); letter-spacing: 0; }
input[type="text"], input[type="email"], select, textarea {
  width: 100%;
  min-height: 48px;
  padding: 10px 14px;
  font: inherit; color: var(--ink);
  background: var(--ivory);
  border: 1.5px solid var(--leaf);
  border-radius: 2px;
  box-shadow: inset 0 2px 3px rgba(30, 58, 43, .08);
}
textarea { min-height: 140px; resize: vertical; line-height: 1.5; }
input::placeholder, textarea::placeholder { color: var(--ink-soft); opacity: 1; }
input:focus-visible, select:focus-visible, textarea:focus-visible { outline-offset: 2px; border-color: var(--orchid); }
input[aria-invalid="true"], textarea[aria-invalid="true"] { border-color: var(--error); border-width: 2px; }
input[type="checkbox"] { width: 24px; height: 24px; accent-color: var(--leaf); margin: 0; flex: none; }
.check { display: flex; align-items: center; gap: var(--s3); min-height: 44px; font-weight: 400; letter-spacing: 0; font-size: var(--t-sm); margin: 0; cursor: pointer; }
.hint { font-size: var(--t-sm); color: var(--ink-soft); margin: var(--s2) 0 0; min-height: 1.6em; }
.error {
  margin: var(--s2) 0 0; padding: var(--s3) var(--s4);
  font-size: var(--t-sm); color: var(--error); font-weight: 700;
  background: var(--ivory); border-left: 4px solid var(--error);
}
.notice {
  padding: var(--s4) var(--s5); background: var(--ivory); border: 1px dashed var(--hair);
  font-size: var(--t-sm); border-left: 4px solid var(--orchid);
}
.status {
  min-height: 3.2em; margin: var(--s4) 0 0; padding: var(--s3) var(--s4);
  background: rgba(255, 250, 245, .7); border-left: 3px solid var(--leaf-mid);
  font-size: var(--t-sm);
}
.status:empty { display: none; }
.status .btn { margin-left: var(--s2); }

/* ---------------------------------------------------------- plate (motif) */
.plate {
  position: relative;
  background-color: var(--paper);
  background-image: var(--grain);
  padding: var(--s5) var(--s5) var(--s5);
  box-shadow: var(--shadow-plate);
  margin: 0;
}
.plate::before {                         /* hairline frame */
  content: "";
  position: absolute; inset: 10px;
  border: 1px solid var(--hair);
  pointer-events: none;
}
.plate::after {                          /* second, finer rule */
  content: "";
  position: absolute; inset: 14px;
  border: 1px solid var(--hair-soft);
  pointer-events: none;
}
.plate__top {
  position: relative; z-index: 1;
  display: flex; justify-content: space-between; align-items: baseline; gap: var(--s3);
  padding: 0 var(--s3) var(--s2);
  font-size: var(--t-xs); letter-spacing: .16em; text-transform: uppercase; color: var(--ink-soft);
}
.plate__no { font-family: var(--font-display); font-style: italic; font-size: 1.15em; letter-spacing: .04em; text-transform: none; color: var(--orchid); font-weight: 700; }
.plate__fam { text-align: right; }
.plate__mount {
  position: relative; z-index: 1;
  margin: 0 var(--s2);
  padding: clamp(10px, 3%, 24px);
  background:
    linear-gradient(135deg, var(--mount) 0 50%, transparent 50%) top left / 30px 30px no-repeat,
    linear-gradient(225deg, var(--mount) 0 50%, transparent 50%) top right / 30px 30px no-repeat,
    linear-gradient(45deg, var(--mount) 0 50%, transparent 50%) bottom left / 30px 30px no-repeat,
    linear-gradient(315deg, var(--mount) 0 50%, transparent 50%) bottom right / 30px 30px no-repeat,
    radial-gradient(ellipse at 50% 40%, #FFFDF9 0%, #FBF3EA 100%);
  box-shadow: inset 0 0 0 1px var(--hair-soft), inset 0 0 30px rgba(122, 46, 92, .05);
}
.specimen { position: relative; }
.specimen svg { display: block; width: 100%; height: auto; }
.plate figcaption, .plate__cap { position: relative; z-index: 1; padding: var(--s4) var(--s3) var(--s2); text-align: center; }
.plate .latin { font-size: var(--t-xl); margin: 0 0 var(--s1); line-height: 1.15; text-align: center; }
.latin__var { display: block; font-size: .62em; color: var(--ink-soft); font-style: italic; }
.plate .common { font-size: var(--t-sm); letter-spacing: .08em; color: var(--ink-soft); margin: 0 0 var(--s3); }

/* tipped-in label */
.label {
  position: relative; z-index: 1;
  display: inline-flex; align-items: stretch; flex-wrap: wrap;
  margin: var(--s2) auto 0;
  background: var(--label);
  border: 1px solid var(--hair);
  box-shadow: var(--shadow-small);
  transform: rotate(-1.2deg);
  font-size: var(--t-sm);
  line-height: 1.3;
  max-width: 100%;
}
.label::before, .label::after {          /* little gummed corners */
  content: ""; position: absolute; width: 14px; height: 14px; background: var(--mount);
  border: 1px solid var(--hair-soft);
}
.label::before { left: -5px; top: -5px; transform: rotate(-20deg); }
.label::after { right: -5px; bottom: -5px; transform: rotate(-20deg); }
.label__k {
  padding: 8px 10px; background: var(--paper-warm); border-right: 1px dashed var(--hair);
  font-size: var(--t-xs); letter-spacing: .14em; text-transform: uppercase; color: var(--ink-soft);
  display: flex; align-items: center;
}
.label__v { padding: 8px 14px; font-family: var(--font-display); font-style: italic; font-size: 1.12em; overflow-wrap: anywhere; word-break: break-word; min-width: 0; display: flex; align-items: center; }
.plate--card .label { margin-left: var(--s3); }

/* ----------------------------------------------------------- bloom motion */
@keyframes bf-draw { from { stroke-dashoffset: 1; } to { stroke-dashoffset: 0; } }
@keyframes bf-fill { from { fill-opacity: 0; } }
@keyframes bf-fade { from { opacity: 0; } }
@keyframes bf-unfurl { from { transform: scale(.5) rotate(-14deg); opacity: 0; } }

.bloom .stem, .bloom .leaf, .bloom .petal { stroke-dasharray: 1; }
.bloom .stem { animation: bf-draw 1.8s cubic-bezier(.4, .1, .3, 1) both; }
.bloom .leaf {
  animation: bf-draw 1.6s cubic-bezier(.4, .1, .3, 1) both, bf-fill 1.6s ease both;
  animation-delay: calc(var(--d, 0) * 1ms);
}
.bloom .petal {
  animation: bf-draw 2.2s cubic-bezier(.4, .1, .3, 1) both, bf-fill 2s ease both;
  animation-delay: calc(var(--d, 0) * 1ms);
}
.bloom .rib { animation: bf-fade 1.6s ease both; animation-delay: 2.2s; }
.bloom .g-head { transform-box: view-box; transform-origin: 200px 205px; animation: bf-unfurl 3.4s cubic-bezier(.2, .7, .2, 1) both; animation-delay: .5s; }
.bloom .stamen { animation: bf-fade .7s ease both; animation-delay: calc(var(--d, 0) * 1ms); }
.bloom .strap { animation: bf-fade 1.2s ease both; animation-delay: 1.2s; }

/* ------------------------------------------------------------------ home */
.hero {
  display: grid;
  gap: var(--s7) var(--s8);
  padding-block: var(--s8) var(--s9);
  align-items: center;
}
.hero__text { position: relative; z-index: 2; }
.hero h1 { margin-bottom: var(--s5); font-size: var(--t-hero); }
.hero h1 .line { display: block; }
.hero__plate-wrap { position: relative; max-width: 560px; justify-self: center; width: 100%; }
.hero__plate-wrap .plate { transform: rotate(1.2deg); }
.hero__numeral {
  position: absolute; z-index: 0; right: -4%; top: -10%;
  font-family: var(--font-display); font-style: italic; font-size: clamp(7rem, 24vw, 19rem); line-height: .8;
  color: var(--rose); opacity: .22; pointer-events: none; user-select: none;
}
.hero__tools { display: flex; flex-wrap: wrap; gap: var(--s3); align-items: center; margin-top: var(--s5); }
.hero__cap { font-size: var(--t-sm); color: var(--ink-soft); margin: var(--s4) 0 0; padding-left: var(--s4); border-left: 2px solid var(--rose); }

.section { padding-block: var(--s8); position: relative; }
.section--paper { background: var(--ivory); background-image: var(--grain); border-block: 1px solid var(--hair-soft); }
.section__head { max-width: 46rem; margin-bottom: var(--s7); }

.method { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--s6); counter-reset: step; }
.method li { margin: 0; position: relative; padding: var(--s5) var(--s5) var(--s5) var(--s5); background: var(--label); border: 1px solid var(--hair); box-shadow: var(--shadow-small); }
.method li::before {
  counter-increment: step; content: counter(step, upper-roman);
  position: absolute; top: -.55em; left: var(--s4);
  background: var(--blush); padding: 0 .4em;
  font-family: var(--font-display); font-style: italic; font-size: 2.4rem; line-height: 1; color: var(--orchid);
}
.method h3 { margin-top: var(--s4); font-size: var(--t-xl); }
.method svg { width: 64px; height: 64px; margin-bottom: var(--s3); }
.method p:last-child { margin-bottom: 0; }

.field-strip {
  list-style: none; padding: 0; margin: 0;
  display: grid; gap: var(--s6) var(--s5);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 210px), 1fr));
}
.field-strip li { margin: 0; }
.mini {
  display: block; text-decoration: none; color: var(--ink);
  background: var(--paper); background-image: var(--grain);
  padding: var(--s4) var(--s4) var(--s5);
  box-shadow: var(--shadow-small);
  border: 1px solid var(--hair-soft);
  transition: transform .3s ease, box-shadow .3s ease;
  height: 100%;
}
.mini:hover { color: var(--ink); transform: translateY(-5px) rotate(-.6deg); box-shadow: var(--shadow-plate); }
.mini .specimen { padding: var(--s2); background: radial-gradient(ellipse at 50% 40%, #FFFDF9, #FBF3EA); box-shadow: inset 0 0 0 1px var(--hair-soft); }
.mini__no { display: block; margin-top: var(--s3); font-family: var(--font-display); font-style: italic; color: var(--orchid); font-weight: 700; font-size: var(--t-sm); }
.mini__t { display: block; font-family: var(--font-display); font-size: var(--t-lg); line-height: 1.2; margin: 2px 0 4px; }
.mini__c { display: block; font-size: var(--t-sm); color: var(--ink-soft); line-height: 1.45; }

.letter {
  display: grid; gap: var(--s7) var(--s8); align-items: start;
}
.letter__paper {
  position: relative; background: var(--label); background-image: var(--grain);
  padding: var(--s6) var(--s6) var(--s7); box-shadow: var(--shadow-plate);
  border: 1px solid var(--hair-soft);
}
.letter__paper::before {
  content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--hair-soft) 20%, var(--hair-soft) 80%, transparent);
}
.letter__paper > * { position: relative; }
.letter__paper h3 { font-size: var(--t-xl); }
.ideas { list-style: none; padding: 0; margin: 0; }
.ideas li { padding: var(--s4) 0; margin: 0; border-top: 1px solid var(--hair-soft); display: grid; grid-template-columns: 2.6rem 1fr; gap: var(--s3); }
.ideas li:last-child { border-bottom: 1px solid var(--hair-soft); }
.ideas .n { font-family: var(--font-display); font-style: italic; color: var(--orchid); font-size: 1.7rem; line-height: 1; }
.ideas strong { display: block; font-family: var(--font-display); font-weight: 400; font-size: var(--t-lg); }

.slip {
  position: relative; background: var(--label); background-image: var(--grain);
  border: 1px solid var(--hair); box-shadow: var(--shadow-small);
  padding: var(--s6) var(--s5) var(--s5);
}
.slip::before {                         /* perforated top edge */
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 10px;
  background: radial-gradient(circle at 8px 0, var(--blush) 4px, transparent 4.5px) 0 0 / 16px 10px repeat-x;
}
.slip__title { font-family: var(--font-display); font-style: italic; font-size: var(--t-xl); margin: 0 0 var(--s2); }
.slip__row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: var(--s3); align-items: stretch; }
.slip__tools { display: flex; flex-wrap: wrap; gap: var(--s2); margin-top: var(--s4); }
.slip__actions { display: flex; flex-wrap: wrap; gap: var(--s3); margin-top: var(--s5); padding-top: var(--s5); border-top: 1px dashed var(--hair); }
.slip__note { margin: var(--s4) 0 0; font-size: var(--t-sm); color: var(--ink-soft); }

/* --------------------------------------------------------------- atelier */
.page-head { padding-block: var(--s8) var(--s6); }
.page-head h1 { font-size: var(--t-2xl); max-width: 14em; }
.page-head .lede { margin-bottom: 0; }
.bench { display: grid; gap: var(--s7) var(--s8); align-items: start; padding-bottom: var(--s8); }
.bench .plate { max-width: 600px; width: 100%; justify-self: center; }
.bench__side { max-width: 560px; width: 100%; justify-self: center; }
.traits { margin: var(--s5) 0 0; display: grid; gap: 0; }
.traits > div { display: grid; grid-template-columns: 8.5rem 1fr; gap: var(--s3); padding: 9px 0; border-top: 1px solid var(--hair-soft); align-items: baseline; }
.traits > div:last-child { border-bottom: 1px solid var(--hair-soft); }
.traits dt { font-size: var(--t-xs); letter-spacing: .14em; text-transform: uppercase; color: var(--ink-soft); font-weight: 700; }
.traits dd { margin: 0; font-family: var(--font-display); font-size: 1.15rem; overflow-wrap: anywhere; }
.meter { display: block; height: 6px; background: var(--paper-warm); border: 1px solid var(--hair); margin-top: 6px; }
.meter > span { display: block; height: 100%; width: 0; background: var(--orchid); }

.notes { display: grid; gap: var(--s6); }
.notes article { padding: var(--s5); background: var(--label); border: 1px solid var(--hair-soft); box-shadow: var(--shadow-small); }
.notes h3 { font-size: var(--t-lg); margin-bottom: var(--s3); }
.notes ol, .notes ul { margin-bottom: 0; }

/* ------------------------------------------------------------- herbarium */
.herb-bar {
  display: grid; gap: var(--s4) var(--s5);
  padding: var(--s5); background: var(--ivory); border: 1px solid var(--hair); box-shadow: var(--shadow-small);
  margin-bottom: var(--s6);
}
.herb-bar__stats { display: flex; flex-wrap: wrap; gap: var(--s2) var(--s5); align-items: baseline; }
.herb-bar__stats strong { font-family: var(--font-display); font-style: italic; font-weight: 400; font-size: var(--t-xl); color: var(--orchid); }
.herb-bar__stats span { font-size: var(--t-sm); color: var(--ink-soft); }
.herb-bar__filters { display: grid; gap: var(--s4); grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr)); }
.herb-bar__filters label { margin-bottom: var(--s1); }
.herb-bar__actions { display: flex; flex-wrap: wrap; gap: var(--s3); }
.confirm { padding: var(--s4) var(--s5); background: var(--ivory); border: 2px solid var(--error); display: flex; flex-wrap: wrap; gap: var(--s3) var(--s5); align-items: center; margin-bottom: var(--s5); }
.confirm p { margin: 0; font-weight: 700; }

.catalogue { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--s7) var(--s6); grid-template-columns: repeat(auto-fill, minmax(min(100%, 290px), 1fr)); }
.catalogue__item { margin: 0; }
.plate--card { padding: var(--s4) var(--s4) var(--s5); height: 100%; display: flex; flex-direction: column; transition: transform .3s ease, box-shadow .3s ease; }
.plate--card:hover { transform: translateY(-4px); }
.plate--card .plate__mount { padding: 8px; margin-inline: var(--s1); }
.plate--card .latin { font-size: 1.5rem; margin: var(--s4) var(--s3) var(--s1); text-align: left; position: relative; z-index: 1; }
.plate--card .traits { margin: var(--s4) var(--s3) 0; display: block; position: relative; z-index: 1; font-size: var(--t-sm); color: var(--ink-soft); }
.plate__actions { position: relative; z-index: 1; display: flex; flex-wrap: wrap; gap: var(--s2); margin: var(--s4) var(--s3) var(--s2); margin-top: auto; padding-top: var(--s4); }
.plate--card .label + .traits { margin-bottom: var(--s2); }

.empty {
  display: grid; gap: var(--s6); align-items: center; justify-items: center; text-align: center;
  padding: var(--s7) var(--s5); border: 2px dashed var(--hair); background: rgba(255, 250, 245, .6);
}
.empty svg { width: min(220px, 60%); height: auto; }
.empty h3 { margin-bottom: var(--s3); }
.empty p { max-width: 36em; margin-inline: auto; }

.prose { max-width: 44rem; }
.prose h3 { font-size: var(--t-xl); margin-top: var(--s6); }
.prose h3:first-child { margin-top: 0; }
.cols { display: grid; gap: var(--s7) var(--s8); align-items: start; }
.cols > * { min-width: 0; }

/* ------------------------------------------------------------------- how */
.pipeline { list-style: none; padding: 0; margin: 0 0 var(--s7); display: grid; gap: 0; counter-reset: pipe; }
.pipeline > li {
  margin: 0; padding: var(--s4) var(--s5) var(--s4) var(--s6);
  background: var(--label); border: 1px solid var(--hair); border-top-width: 0;
  position: relative; counter-increment: pipe;
}
.pipeline > li:first-child { border-top-width: 1px; }
.pipeline > li::before {
  content: counter(pipe); position: absolute; left: var(--s3); top: var(--s4);
  font-family: var(--font-display); font-style: italic; color: var(--orchid); font-size: 1.5rem; line-height: 1;
}
.pipeline h3 { font-size: var(--t-sm); font-family: var(--font-body); letter-spacing: .14em; text-transform: uppercase; margin: 0 0 var(--s1); color: var(--ink-soft); font-weight: 700; }
.pipeline p { margin: 0; font-family: var(--font-display); font-size: 1.2rem; overflow-wrap: anywhere; line-height: 1.3; }
.pipeline small { display: block; font-family: var(--font-body); font-size: var(--t-sm); color: var(--ink-soft); margin-top: var(--s1); line-height: 1.4; }

.diagram { display: grid; gap: var(--s6) var(--s7); align-items: start; margin-bottom: var(--s7); }
.diagram .plate { max-width: 600px; width: 100%; justify-self: center; }
.diagram-side { max-width: 560px; width: 100%; justify-self: center; }
.how-form { margin-bottom: var(--s5); }
.legend { list-style: none; padding: 0; margin: 0 0 var(--s4); display: grid; gap: var(--s2); }
.legend__item { margin: 0; }
.legend__btn {
  display: grid; grid-template-columns: 2.4rem 1fr; gap: var(--s3); align-items: center; width: 100%; min-height: 48px;
  padding: 8px 12px; text-align: left; font: inherit; color: var(--ink);
  background: var(--ivory); border: 1.5px solid var(--hair); border-radius: 2px; cursor: pointer;
  transition: background-color .2s ease, border-color .2s ease, transform .2s ease;
}
.legend__btn:hover { border-color: var(--leaf); background: var(--blush); }
.legend__btn[aria-pressed="true"] { background: var(--leaf); color: var(--on-dark); border-color: var(--leaf); transform: translateX(6px); }
.legend__n {
  width: 2rem; height: 2rem; border-radius: 50%; display: grid; place-items: center;
  background: var(--leaf); color: var(--on-dark); font-weight: 700; font-size: var(--t-sm);
}
.legend__btn[aria-pressed="true"] .legend__n { background: var(--ivory); color: var(--leaf); }
.legend__t { display: flex; justify-content: space-between; gap: var(--s3); align-items: baseline; flex-wrap: wrap; }
.legend__name { font-weight: 700; font-size: var(--t-sm); letter-spacing: .03em; }
.legend__val { font-family: var(--font-display); font-style: italic; font-size: 1.1rem; }
.step-caption { min-height: 4.8em; padding: var(--s4); background: var(--ivory); border-left: 3px solid var(--orchid); font-size: var(--t-sm); margin: 0 0 var(--s4); }

/* annotated diagram focus */
.diagram svg[data-focus] .part { opacity: .16; transition: opacity .35s ease; }
.diagram svg[data-focus="petals"] .g-petals, .diagram svg[data-focus="layers"] .g-petals, .diagram svg[data-focus="hue"] .g-petals, .diagram svg[data-focus="curvature"] .g-petals,
.diagram svg[data-focus="leaves"] .g-leaves, .diagram svg[data-focus="stamens"] .g-stamens { opacity: 1; }
.diagram svg[data-focus="leaves"] .g-stem { opacity: .5; }
.diagram svg[data-focus="stamens"] .g-petals { opacity: .35; }
.diagram svg[data-focus="layers"] .layer-0 { opacity: .55; }
.ann-item { transition: opacity .3s ease; }
.diagram svg[data-focus] .ann-item:not(.is-on) { opacity: .35; }

.table-wrap { margin: var(--s5) 0; }
table.trace { width: 100%; border-collapse: collapse; background: var(--label); border: 1px solid var(--hair); font-size: var(--t-sm); }
.trace caption { text-align: left; padding: 0 0 var(--s3); font-size: var(--t-sm); color: var(--ink-soft); caption-side: top; }
.trace th, .trace td { text-align: left; padding: 10px 14px; border-top: 1px solid var(--hair-soft); vertical-align: baseline; }
.trace thead th { font-size: var(--t-xs); letter-spacing: .14em; text-transform: uppercase; background: var(--paper-warm); border-top: 0; color: var(--ink); }
.trace tbody th { font-weight: 700; }
.trace td:last-child { font-family: var(--font-display); font-style: italic; font-size: 1.1em; }

.facts { display: grid; gap: var(--s5); align-content: start; }
.cols .facts { grid-template-columns: 1fr; }
.facts article { padding: var(--s5); background: var(--label); border: 1px solid var(--hair-soft); box-shadow: var(--shadow-small); }
.facts h3 { font-size: var(--t-lg); }
.facts p:last-child { margin-bottom: 0; }

/* --------------------------------------------------------------- contact */
.contact { display: grid; gap: var(--s7) var(--s8); align-items: start; padding-bottom: var(--s8); }
.envelope {
  position: relative; background: var(--label); background-image: var(--grain);
  border: 1px solid var(--hair); box-shadow: var(--shadow-plate); padding: var(--s6) var(--s5);
}
.envelope::before {
  content: ""; position: absolute; inset: 8px; border: 1px dashed var(--hair-soft); pointer-events: none;
}
.envelope__addr { font-family: var(--font-display); font-style: italic; font-size: clamp(1.4rem, 1rem + 2vw, 2.1rem); line-height: 1.2; overflow-wrap: anywhere; margin: var(--s3) 0 var(--s4); }
.envelope__addr a { color: var(--ink); text-decoration-color: var(--rose); text-decoration-thickness: 2px; }
.envelope__addr a:hover { color: var(--orchid); }
.stamp { width: 74px; height: 88px; float: right; margin: 0 0 var(--s3) var(--s4); }
.contact__list { list-style: none; padding: 0; margin: var(--s5) 0 0; }
.contact__list li { padding: var(--s3) 0; border-top: 1px solid var(--hair-soft); margin: 0; font-size: var(--t-sm); }
.field { margin-bottom: var(--s5); }
.preview { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: .85rem; min-height: 180px; line-height: 1.5; background: var(--paper-warm); }

/* ---------------------------------------------------------------- footer */
.site-footer {
  margin-top: var(--s8);
  background: var(--leaf); color: var(--on-dark);
  background-image: var(--grain);
  padding-block: var(--s7) var(--s6);
  font-size: var(--t-sm);
}
.site-footer a { color: var(--on-dark); text-decoration-color: var(--rose); }
.site-footer a:hover { color: var(--blush); text-decoration-thickness: 2px; }
.footer-grid { display: grid; gap: var(--s6) var(--s7); padding-left: max(var(--gutter), calc(var(--lead) * .6)); }
.footer-brand { font-family: var(--font-display); font-size: 1.8rem; margin: 0 0 var(--s2); }
.footer-brand em { color: #F2B6C6; }
.site-footer p { color: var(--on-dark-soft); max-width: 34em; }
.site-footer .footer-brand { color: var(--on-dark); }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin: 0; }
.site-footer nav a, .site-footer .footer-mail { display: inline-flex; align-items: center; min-height: 40px; }
.site-footer .footer-mail { font-family: var(--font-display); font-size: 1.3rem; font-style: italic; }
.footer-small { font-size: var(--t-xs); margin-top: var(--s5); }

/* ------------------------------------------------------------ breakpoints */
@media (min-width: 640px) {
  .method { grid-template-columns: repeat(3, 1fr); }
  .method li:nth-child(2) { margin-top: var(--s7); }
  .method li:nth-child(3) { margin-top: var(--s5); }
  .notes { grid-template-columns: repeat(3, 1fr); }
  .facts { grid-template-columns: repeat(2, 1fr); }
  .cols .facts { grid-template-columns: 1fr; }
  .pipeline { grid-template-columns: repeat(4, 1fr); }
  .pipeline > li { border-top-width: 1px; border-left-width: 0; }
  .pipeline > li:first-child { border-left-width: 1px; }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1.2fr; }
  .herb-bar { grid-template-columns: 1fr; }
}
@media (min-width: 900px) {
  .hero { grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); }
  .letter { grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); }
  .bench { grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); padding-left: calc(var(--lead) * .5); }
  .bench__side { position: sticky; top: var(--s5); }
  .diagram { grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); }
  .contact { grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); }
  .cols { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
  .herb-bar { grid-template-columns: auto 1fr auto; align-items: end; }
}
@media (max-width: 639px) {
  .site-nav ul { gap: 0; }
  .site-nav a { padding-inline: 9px; }
  .brand { font-size: 1.35rem; }
  .slip__row { grid-template-columns: 1fr; }
  .traits > div { grid-template-columns: 7rem 1fr; }
  .plate { padding: var(--s4) var(--s3) var(--s4); }
  .plate__mount { margin-inline: 0; }
  .letter__paper { padding: var(--s5) var(--s4) var(--s6); }
  .trace thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .trace, .trace tbody, .trace tr, .trace th, .trace td { display: block; }
  .trace tr { padding: var(--s3) var(--s4); border-top: 1px solid var(--hair); }
  .trace th, .trace td { border: 0; padding: 3px 0; }
  .trace td::before, .trace th::before { content: attr(data-label) ": "; font-size: var(--t-xs); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-soft); font-family: var(--font-body); font-style: normal; font-weight: 700; display: inline-block; min-width: 5.2em; }
  .trace td:last-child { font-size: 1em; }
}
@media (min-width: 1400px) {
  :root { --lead: 150px; }
}

/* ------------------------------------------------------------ reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
  .bloom .stem, .bloom .leaf, .bloom .petal { stroke-dasharray: none; stroke-dashoffset: 0; }
  .btn:hover, .btn:active, .mini:hover, .plate--card:hover, .legend__btn[aria-pressed="true"] { transform: none; }
  .hero__plate-wrap .plate { transform: none; }
}

/* ----------------------------------------------------------------- print */
@media print {
  :root { --blush: #fff; }
  body { background: #fff; color: #000; font-size: 11pt; }
  .skip, .site-header, .site-footer, .herb-bar, .confirm, .status, .plate__actions, .no-print, .btn, .slip__actions, .hero__tools { display: none !important; }
  .plate, .mini, .letter__paper, .slip { box-shadow: none !important; background-image: none !important; }
  .catalogue { grid-template-columns: repeat(3, 1fr); gap: 14pt; }
  .catalogue__item, .plate--card { break-inside: avoid; page-break-inside: avoid; }
  .plate--card:hover { transform: none; }
  .label { transform: none; }
  .wrap { max-width: none; padding-inline: 0; }
  a { color: #000; text-decoration: none; }
  .section, .page-head { padding-block: 12pt; }
}