/* MonsiKit v3: "the project binder". One stylesheet, self-hosted IBM Plex, tokens documented in docs/DESIGN.md.
   Light and dark follow the OS (prefers-color-scheme). Signature element: the live project tracker card (.tracker). */
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 100 700; font-display: swap; src: url("/assets/fonts/ibm-plex-sans-latin-wght-normal.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 100 700; font-display: swap; src: url("/assets/fonts/ibm-plex-sans-latin-ext-wght-normal.woff2") format("woff2"); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 400; font-display: swap; src: url("/assets/fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 500; font-display: swap; src: url("/assets/fonts/ibm-plex-mono-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 600; font-display: swap; src: url("/assets/fonts/ibm-plex-mono-latin-600-normal.woff2") format("woff2"); }
:root {
  color-scheme: light dark;
  --surface: #f6f7f9;
  --surface-2: #eceef2;
  --raised: #ffffff;
  --ink: #1a2930;
  --muted: #4a5160;
  --line: #dde1e7;
  --line-strong: #7c8494;
  --accent: #0d6b4b;
  --accent-soft: #e0f2ea;
  --accent-text: #0d6b4b;
  --pending: #b4690e;
  --pending-soft: #fbf0dc;
  --pending-text: #8f5309;
  --focus: #2557d6;
  --btn-bg: #1a2930;
  --btn-ink: #ffffff;
  --btn-hover: #2c424d;
  /* dark band (one per page) */
  --band: #1a2930;
  --band-raised: #1b1f27;
  --band-ink: #eceef2;
  --band-muted: #a3aab8;
  --band-line: #2e3440;
  --band-accent: #3dd39a;
  --shadow-1: 0 1px 2px rgb(26 41 48 / 0.06), 0 8px 24px -8px rgb(26 41 48 / 0.18);
  --shadow-2: 0 2px 4px rgb(26 41 48 / 0.06), 0 24px 56px -16px rgb(26 41 48 / 0.32);
  --display: "IBM Plex Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", "Cascadia Mono", Consolas, monospace;
  --r-card: 16px;
  --r-ctl: 10px;
  --measure: 68ch;
  --header-h: 3.5rem;
}
@media (prefers-color-scheme: dark) {
  :root {
    --surface: #0e1014;
    --surface-2: #13161c;
    --raised: #171a21;
    --ink: #eef1f3;
    --muted: #a3aab8;
    --line: #272c36;
    --line-strong: #6f7889;
    --accent: #3dd39a;
    --accent-soft: #11281f;
    --accent-text: #3dd39a;
    --pending: #f2b35c;
    --pending-soft: #2b2210;
    --pending-text: #f2b35c;
    --focus: #8db0ff;
    --btn-bg: #eef1f3;
    --btn-ink: #0e1014;
    --btn-hover: #ffffff;
    --band: #0c1519;
    --band-raised: #12151b;
    --band-line: #262b35;
    --shadow-1: 0 1px 2px rgb(0 0 0 / 0.4), 0 8px 24px -8px rgb(0 0 0 / 0.6);
    --shadow-2: 0 2px 4px rgb(0 0 0 / 0.4), 0 24px 56px -16px rgb(0 0 0 / 0.8);
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 4.5rem; }
body { margin: 0; background: var(--surface); color: var(--ink); font: 1.0625rem/1.6 var(--display); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent-text); text-underline-offset: 0.2em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 4px; }
.num, code, kbd { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.wrap { width: min(100% - 2rem, 72rem); margin-inline: auto; }
.sr-only { position: absolute; 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: 1rem; top: -4rem; background: var(--btn-bg); color: var(--btn-ink); padding: 0.75rem 1rem; z-index: 30; border-radius: var(--r-ctl); font-weight: 600; }
.skip:focus { top: 0.75rem; }

/* ---------- type ---------- */
h1, h2, h3 { font-family: var(--display); color: inherit; margin: 0 0 0.5em; text-wrap: balance; }
h1 { font-size: clamp(2.6rem, 6vw, 4.75rem); font-weight: 700; letter-spacing: -0.035em; line-height: 1; }
h2 { font-size: clamp(1.75rem, 3.6vw, 2.75rem); font-weight: 700; letter-spacing: -0.028em; line-height: 1.08; }
h3 { font-size: 1.125rem; font-weight: 700; letter-spacing: -0.01em; line-height: 1.25; }
p, ul, ol, dl, table, figure { margin: 0 0 1.1em; }
.lede { font-size: clamp(1.125rem, 1.6vw, 1.3rem); line-height: 1.5; max-width: 34em; color: var(--muted); }
.sec-lede { font-size: 1.125rem; color: var(--muted); max-width: 40em; }
.small { font-size: 0.9375rem; color: var(--muted); }
.muted { color: var(--muted); }
code, kbd { font-size: 0.88em; background: var(--surface-2); border: 1px solid var(--line); padding: 0.08em 0.4em; border-radius: 6px; }
.prose p, .prose ul, .prose ol, .measure { max-width: var(--measure); }
.prose h2 { margin-top: 2.2em; font-size: clamp(1.5rem, 2.6vw, 2rem); }
.prose h2:first-child, .prose > :first-child { margin-top: 0; }
.prose h3 { margin-top: 1.6em; }
.prose li { margin-bottom: 0.4em; }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.6rem; min-height: 2.75rem; padding: 0.7rem 1.25rem; font: 600 1rem/1.25 var(--display); text-decoration: none; border: 1.5px solid transparent; border-radius: var(--r-ctl); cursor: pointer; text-align: center; transition: background-color 150ms, border-color 150ms, box-shadow 150ms, transform 150ms; }
.btn-primary { background: var(--btn-bg); color: var(--btn-ink); box-shadow: 0 1px 2px rgb(26 41 48 / 0.2), 0 6px 16px -6px rgb(26 41 48 / 0.35); }
.btn-primary:hover { background: var(--btn-hover); text-decoration: none; transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); box-shadow: none; }
.btn-ghost { background: var(--raised); color: var(--ink); border-color: var(--line-strong); }
.btn-ghost:hover { border-color: var(--ink); text-decoration: none; }
.btn-light { background: var(--band-ink); color: #0e1014; }
.btn-light:hover { background: #fff; text-decoration: none; }
.btn-sm { min-height: 2.75rem; padding: 0.5rem 1rem; font-size: 0.9375rem; }
.btn-block { display: flex; width: 100%; }
.btn-quiet { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn-quiet:hover { border-color: var(--ink); }
.btn-pending::before { content: ""; flex: none; width: 0.6rem; height: 0.6rem; border-radius: 50%; background: var(--pending); box-shadow: 0 0 0 3px rgb(180 105 14 / 0.3); }
.btn-row { display: flex; flex-wrap: wrap; gap: 0.75rem; margin: 0 0 1rem; }

/* ---------- header ---------- */
.site-header { position: sticky; top: calc(var(--header-h) * -0.0); z-index: 20; background: var(--surface); border-bottom: 1px solid var(--line); }
.site-header .bar { display: grid; grid-template-columns: 1fr auto; grid-template-areas: "brand cta" "nav nav"; align-items: center; column-gap: 1rem; min-height: var(--header-h); }
.brand { grid-area: brand; display: inline-flex; align-items: center; gap: 0.5rem; color: var(--ink); text-decoration: none; padding-block: 0.5rem; justify-self: start; }
.brand-logo { display: block; width: 123px; height: 36px; }
.brand-mark { display: block; width: 28px; height: 28px; flex: none; }
.wordmark { font: 700 1.25rem/1 var(--display); letter-spacing: -0.02em; color: var(--ink); }
.wordmark b { font-weight: 700; color: var(--accent-text); }
.bar-cta { grid-area: cta; }
.site-nav { grid-area: nav; overflow-x: auto; margin-inline: -1rem; padding-inline: 1rem; scrollbar-width: none; }
.site-nav::-webkit-scrollbar { display: none; }
.site-nav ul { display: flex; gap: 0.25rem; list-style: none; margin: 0; padding: 0 0 0.5rem; white-space: nowrap; }
.site-nav a { display: block; color: var(--muted); text-decoration: none; font-weight: 600; font-size: 0.9375rem; padding: 0.55rem 0.8rem; border-radius: 8px; }
.site-nav a:hover { color: var(--ink); background: var(--surface-2); }
.site-nav a[aria-current="page"] { color: var(--ink); background: var(--surface-2); box-shadow: inset 0 -2px 0 var(--accent); }
@media (max-width: 47.99rem) {
  /* On phones only the brand/CTA row stays pinned; the nav row scrolls away. */
  .site-header { top: -2.75rem; }
}
@media (min-width: 48rem) {
  .site-header .bar { grid-template-columns: auto 1fr auto; grid-template-areas: "brand nav cta"; column-gap: 1.5rem; }
  .site-nav { margin-inline: 0; padding-inline: 0; justify-self: center; overflow: visible; }
  .site-nav ul { padding: 0; }
  .site-header { top: 0; }
}

/* ---------- bands ---------- */
.band { padding-block: clamp(3.5rem, 8vw, 6rem); }
.band-alt { background: var(--surface-2); border-block: 1px solid var(--line); }
.band-page { padding-top: clamp(2rem, 5vw, 3.5rem); }
.band-dark { background: var(--band); color: var(--band-ink); --muted: var(--band-muted); --line: var(--band-line); --accent-text: var(--band-accent); --focus: #8db0ff; }
.band-dark .sec-lede, .band-dark .muted { color: var(--band-muted); }
.sec-head { max-width: 44rem; margin-bottom: clamp(1.75rem, 4vw, 2.75rem); }
.sec-head h2, .band h2 { margin-bottom: 0.4em; }
.page-head { background: var(--surface-2); border-bottom: 1px solid var(--line); padding-block: clamp(2.5rem, 7vw, 4.5rem) clamp(1.75rem, 4vw, 2.75rem); }
.page-head h1 { font-size: clamp(2.2rem, 5vw, 3.75rem); max-width: 16em; margin-bottom: 0.3em; }
.page-head .lede { margin-bottom: 0; }
.page-head .draft-note { margin-top: 1.25rem; }
.draft-note { max-width: var(--measure); background: var(--pending-soft); color: var(--ink); border: 1px solid var(--pending); border-left-width: 5px; border-radius: 10px; padding: 0.75rem 1rem; font-size: 0.9375rem; margin-bottom: 0; }
.e404 { font-size: clamp(4rem, 14vw, 8rem); font-weight: 700; letter-spacing: -0.05em; line-height: 1; margin: 0 0 0.1em; color: var(--accent-text); }

/* ---------- hero + tracker (signature) ---------- */
.hero { padding-block: clamp(2.5rem, 6vw, 5rem) clamp(3rem, 7vw, 5.5rem); overflow-x: clip; }
.hero-grid { display: grid; gap: clamp(2.5rem, 6vw, 3.5rem); align-items: center; }
@media (min-width: 62rem) { .hero-grid { grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: 4rem; } .hero-kit .hero-grid { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); } }
.hero-copy h1 { margin-bottom: 0.35em; }
.hero-copy .lede { margin-bottom: 1.75rem; }
.buy .price { margin: 0 0 0.35rem; color: var(--muted); font-size: 0.9375rem; }
.buy .price strong { color: var(--ink); font-size: 1.125rem; margin-right: 0.15rem; }
.buy .small { margin: 0; max-width: 34em; }

.tracker { margin: 0; position: relative; padding: 0.5rem 0 1rem; }
.tracker::before, .tracker::after { content: ""; position: absolute; inset: 0; border-radius: var(--r-card); background: var(--raised); border: 1px solid var(--line); z-index: 0; }
.tracker::before { transform: translate(14px, 18px) rotate(1.8deg); opacity: 0.6; }
.tracker::after { transform: translate(7px, 9px) rotate(0.9deg); opacity: 0.85; }
.tr-card { position: relative; z-index: 1; background: var(--raised); border: 1px solid var(--line); border-radius: var(--r-card); box-shadow: var(--shadow-2); padding: 1.25rem 1.25rem 0; overflow: hidden; }
.tr-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; margin-bottom: 1rem; }
.tr-title { font-size: 1.125rem; font-weight: 700; letter-spacing: -0.02em; line-height: 1.2; margin: 0 0 0.15rem; }
.tr-sub { margin: 0; font-size: 0.875rem; color: var(--muted); }
.tr-tag { flex: none; margin: 0; font-size: 0.75rem; font-weight: 600; color: var(--muted); border: 1px solid var(--line-strong); border-radius: 999px; padding: 0.2rem 0.6rem; white-space: nowrap; }
.tr-meter { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; margin-bottom: 0.75rem; }
.tr-meter i { height: 6px; border-radius: 3px; background: var(--line); }
.tr-meter i.on { background: var(--accent); }
.tr-meter i.mid { background: linear-gradient(90deg, var(--accent) 50%, var(--line) 50%); }
.tr-rows { list-style: none; margin: 0; padding: 0; }
.tr-row { display: grid; grid-template-columns: 1.75rem minmax(0, 1fr) auto; gap: 0.75rem; align-items: center; padding: 0.6rem 0; border-top: 1px solid var(--line); }
.tr-n { font-size: 0.8125rem; color: var(--muted); text-align: center; }
.tr-name { font-weight: 600; font-size: 0.9875rem; line-height: 1.25; min-width: 0; }
.tr-name small { display: block; margin-top: 0.1rem; font-weight: 400; font-size: 0.8125rem; color: var(--muted); font-family: var(--mono); }
.tr-scope { margin-inline: -1.25rem; padding-inline: 1.25rem; background: var(--pending-soft); box-shadow: inset 4px 0 0 var(--pending); border-top-color: var(--pending); border-bottom: 1px solid var(--pending); }
.tr-scope .tr-n { color: var(--pending-text); font-weight: 700; }
.tr-scope + .tr-row { border-top: 0; }
.tr-foot { display: flex; align-items: baseline; gap: 0.6rem; margin: 0.4rem -1.25rem 0; padding: 0.9rem 1.25rem; background: var(--surface-2); border-top: 1px solid var(--line); font-weight: 600; font-size: 0.9375rem; }
.tr-foot-k { color: var(--muted); font-weight: 500; }
.tr-foot-d { margin-left: auto; font-weight: 700; }
/* status pills: glyph + word, never colour alone */
.pill { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.8125rem; font-weight: 700; line-height: 1.2; padding: 0.25rem 0.6rem 0.25rem 0.45rem; border-radius: 999px; white-space: nowrap; border: 1.5px solid currentColor; }
.pill::before { content: ""; flex: none; width: 0.7rem; height: 0.7rem; border-radius: 50%; border: 2px solid currentColor; box-sizing: border-box; }
.pill-done { color: var(--accent-text); background: var(--accent-soft); border-color: transparent; }
.pill-done::before { background: currentColor; box-shadow: inset 0 0 0 1.5px var(--accent-soft); }
.pill-review { color: var(--ink); background: var(--surface-2); border-color: var(--line-strong); }
.pill-review::before { background: linear-gradient(90deg, currentColor 50%, transparent 50%); }
.pill-pending { color: var(--pending-text); background: transparent; }
.tr-scope .pill-pending { background: var(--raised); }
.tr-row .pill-pending::before { border-style: dashed; }
@media (max-width: 29.99rem) {
  .tr-row { grid-template-columns: 1.25rem minmax(0, 1fr) auto; gap: 0.5rem; }
  .tr-scope { grid-template-columns: 1.25rem minmax(0, 1fr); row-gap: 0.4rem; }
  .tr-scope .pill { grid-column: 2; justify-self: start; }
  .tr-name small { font-size: 0.75rem; }
  .tr-card { padding-inline: 1rem; }
  .tr-scope, .tr-foot { margin-inline: -1rem; padding-inline: 1rem; }
  .tr-head { flex-direction: column; gap: 0.5rem; }
}
@keyframes row-in { from { opacity: 0; transform: translateY(8px); } }
@keyframes meter-in { from { transform: scaleX(0); } }
.tr-row { animation: row-in 420ms cubic-bezier(0.2, 0.7, 0.2, 1) backwards; }
.tr-row:nth-child(1) { animation-delay: 150ms; }
.tr-row:nth-child(2) { animation-delay: 230ms; }
.tr-row:nth-child(3) { animation-delay: 310ms; }
.tr-row:nth-child(4) { animation-delay: 390ms; }
.tr-row:nth-child(5) { animation-delay: 470ms; }
.tr-row:nth-child(6) { animation-delay: 550ms; }
.tr-row:nth-child(7) { animation-delay: 630ms; }
.tr-row:nth-child(8) { animation-delay: 710ms; }
.tr-meter { transform-origin: left; animation: meter-in 700ms cubic-bezier(0.2, 0.7, 0.2, 1) backwards; }
.tr-foot { animation: row-in 420ms 820ms backwards; }

/* kit hero spec card */
.spec { background: var(--raised); border: 1px solid var(--line); border-radius: var(--r-card); box-shadow: var(--shadow-1); padding: 1.25rem 1.5rem; }
.spec-title { font-size: 1.0625rem; font-weight: 700; margin: 0 0 0.75rem; display: flex; justify-content: space-between; gap: 1rem; letter-spacing: -0.015em; }
.spec-title .num { font-weight: 500; color: var(--muted); font-size: 0.9375rem; }
.spec-list { margin: 0; }
.spec-list > div { display: grid; grid-template-columns: 5.5rem 1fr; gap: 0.75rem; padding: 0.6rem 0; border-top: 1px solid var(--line); font-size: 0.9375rem; }
.spec-list dt { color: var(--muted); font-weight: 600; }
.spec-list dd { margin: 0; }

/* ---------- binder tabs ---------- */
.binder { position: relative; }
.binder-tabs { display: none; }
.is-tabs .binder-tabs { display: block; }
[role="tablist"] { display: flex; gap: 4px; overflow-x: auto; padding-inline: 0.5rem; margin: 0; scrollbar-width: none; }
[role="tablist"]::-webkit-scrollbar { display: none; }
.b-tab { appearance: none; flex: none; font: 700 0.9375rem/1 var(--display); color: var(--muted); background: var(--surface); border: 1px solid var(--line); border-bottom: 0; border-radius: 12px 12px 0 0; padding: 0.9rem 1.25rem 0.8rem; min-height: 2.75rem; cursor: pointer; margin-bottom: -1px; position: relative; transition: color 150ms, background-color 150ms; }
.b-tab:hover { color: var(--ink); }
.b-tab[aria-selected="true"] { color: var(--ink); background: var(--raised); z-index: 1; padding-top: 1.05rem; box-shadow: inset 0 3px 0 var(--accent); }
.b-tab:focus-visible { outline-offset: -3px; }
.b-panel { display: grid; gap: 1.5rem; background: var(--raised); border: 1px solid var(--line); border-radius: var(--r-card); box-shadow: var(--shadow-1); padding: clamp(1.25rem, 3vw, 2.25rem); margin-bottom: 1rem; align-items: start; }
.b-panel[hidden] { display: none; }
.is-tabs .b-panel { border-top-left-radius: 0; margin-bottom: 0; }
@media (min-width: 48rem) { .b-panel { grid-template-columns: minmax(0, 0.9fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 4rem); align-items: center; } }
.b-shot { margin: 0; position: relative; max-height: 26rem; overflow: hidden; border-radius: 10px; border: 1px solid var(--line); background: #fff; box-shadow: 0 1px 2px rgb(26 41 48 / 0.08); }
.b-shot a { display: block; }
.b-shot img { width: 100%; height: auto; }
.b-shot.b-wide { max-height: none; align-self: center; }
.b-text h3 { font-size: clamp(1.4rem, 2.4vw, 1.75rem); font-weight: 700; letter-spacing: -0.025em; margin-bottom: 0.75rem; }
.b-facts { list-style: none; padding: 0; margin: 0 0 1rem; }
.b-facts li { position: relative; padding: 0.7rem 0 0.7rem 1.75rem; border-top: 1px solid var(--line); max-width: 34em; }
.b-facts li:last-child { border-bottom: 1px solid var(--line); }
.b-facts li::before { content: ""; position: absolute; left: 0.1rem; top: 1.1rem; width: 0.7rem; height: 0.38rem; border-left: 2.5px solid var(--accent); border-bottom: 2.5px solid var(--accent); transform: rotate(-45deg); }
.b-more { margin: 0; font-weight: 600; }
.binder-note { margin: 1.25rem 0 0; color: var(--muted); font-size: 0.9375rem; }

/* ---------- covers (dark band) ---------- */
.covers { display: grid; gap: clamp(2rem, 5vw, 3.5rem); }
@media (min-width: 62rem) { .covers { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 5rem; } .covers-head { position: sticky; top: 6rem; align-self: start; } }
.covers h2 { font-size: clamp(1.9rem, 4vw, 3rem); }
.covers-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0 2.5rem; }
@media (min-width: 40rem) { .covers-list { grid-template-columns: 1fr 1fr; } }
.covers-list li { padding: 1.25rem 0 1.1rem; border-top: 1px solid var(--band-line); }
.covers-list h3 { margin-bottom: 0.3rem; color: var(--band-ink); }
.covers-list p { margin: 0; color: var(--band-muted); font-size: 1rem; }

/* ---------- buy block + receipt ---------- */
.buy-grid { display: grid; gap: clamp(2rem, 5vw, 3rem); align-items: start; }
@media (min-width: 62rem) { .buy-grid { grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: 5rem; } }
.how { padding-left: 0; list-style: none; counter-reset: h; margin: 0 0 1.25rem; }
.how li { counter-increment: h; display: grid; grid-template-columns: 2.25rem 1fr; gap: 0.5rem; padding: 0.85rem 0; border-top: 1px solid var(--line); max-width: 36em; }
.how li:last-child { border-bottom: 1px solid var(--line); }
.how li::before { content: counter(h); font: 700 0.9375rem/1.9 var(--mono); width: 1.75rem; height: 1.75rem; display: grid; place-items: center; border-radius: 50%; background: var(--surface-2); border: 1px solid var(--line); }
.buy-card { filter: drop-shadow(0 2px 3px rgb(26 41 48 / 0.08)) drop-shadow(0 18px 24px rgb(26 41 48 / 0.14)); max-width: 30rem; width: 100%; justify-self: center; }
@media (prefers-color-scheme: dark) { .buy-card { filter: drop-shadow(0 2px 3px rgb(0 0 0 / 0.5)) drop-shadow(0 18px 24px rgb(0 0 0 / 0.5)); } }
.receipt { margin: 0; }
.receipt-sheet { position: relative; background: var(--raised); border: 1px solid var(--line); border-bottom: 0; border-radius: var(--r-card) var(--r-card) 0 0; padding: 1.75rem 1.5rem 1.5rem; }
.receipt-sheet::after { content: ""; position: absolute; left: -1px; right: -1px; top: 100%; height: 12px; background: linear-gradient(135deg, var(--raised) 6px, transparent 0) 0 0 / 12px 12px, linear-gradient(225deg, var(--raised) 6px, transparent 0) 0 0 / 12px 12px; }
.rc-head { text-align: center; padding-bottom: 1rem; margin-bottom: 1rem; border-bottom: 2px dashed var(--line-strong); }
.rc-store { margin: 0 0 0.25rem; font: 600 0.8125rem/1 var(--mono); color: var(--muted); letter-spacing: 0.04em; }
.rc-head h3 { font-size: 1.5rem; font-weight: 700; letter-spacing: -0.03em; margin: 0; }
.rc-meta { margin: 0.25rem 0 0; font: 0.875rem var(--mono); color: var(--muted); }
.rc-lines { list-style: none; margin: 0 0 0.5rem; padding: 0; }
.rc-lines li, .rc-total { display: flex; align-items: baseline; gap: 0.5rem; padding: 0.25rem 0; font-size: 0.9875rem; }
.rc-lines .num { color: var(--muted); font-size: 0.875rem; }
.rc-fill { flex: 1; border-bottom: 2px dotted var(--line-strong); transform: translateY(-0.25em); min-width: 1rem; }
.rc-total { margin: 0.75rem 0 0.25rem; padding-top: 0.75rem; border-top: 2px dashed var(--line-strong); font-weight: 700; font-size: 1.125rem; }
.rc-total strong { font-size: 2.25rem; font-weight: 700; letter-spacing: -0.03em; line-height: 1; }
.rc-fine { font-size: 0.875rem; color: var(--muted); margin: 0 0 0.6rem; }
.rc-action { margin-top: 1.25rem; padding-top: 1.25rem; border-top: 2px dashed var(--line-strong); }
.rc-action .small { margin: 0.75rem 0 0; font-size: 0.875rem; }
.receipt-sheet { margin-bottom: 12px; }

/* ---------- lists ---------- */
.limits { display: grid; gap: 2rem; }
@media (min-width: 48rem) { .limits { grid-template-columns: 1fr 1fr; gap: 4rem; } }
.limits h3 { font-size: 1.25rem; font-weight: 700; }
.marks { list-style: none; padding: 0; margin: 0 0 1.1em; max-width: var(--measure); }
.marks li { position: relative; padding: 0.15rem 0 0.15rem 1.9rem; margin-bottom: 0.6rem; }
.marks li::before { content: ""; position: absolute; left: 0; top: 0.2rem; width: 1.2rem; height: 1.2rem; border-radius: 50%; }
.marks-yes li::before { background: var(--accent-soft); }
.marks-yes li::after { content: ""; position: absolute; left: 0.38rem; top: 0.5rem; width: 0.55rem; height: 0.3rem; border-left: 2px solid var(--accent-text); border-bottom: 2px solid var(--accent-text); transform: rotate(-45deg); }
.marks-no li::before { background: var(--surface-2); border: 1.5px solid var(--line-strong); }
.marks-no li::after { content: ""; position: absolute; left: 0.33rem; top: 0.74rem; width: 0.55rem; height: 2px; background: var(--muted); }
.band-dark .marks-no li::before { background: transparent; border-color: #6f7889; }
.band-dark .marks-no li::after { background: var(--band-muted); }
.band-dark .marks li { color: var(--band-ink); }
.facts { list-style: none; margin: 0; padding: 0; }
.facts li { display: grid; grid-template-columns: 6rem 1fr; gap: 1rem; padding: 0.9rem 0; border-top: 1px solid var(--line); }
.facts li:last-child { border-bottom: 1px solid var(--line); }
.facts strong { font-weight: 700; }

/* ---------- tables ---------- */
.table-wrap { overflow-x: auto; margin: 0 0 1.5rem; background: var(--raised); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow-1); }
table { border-collapse: collapse; width: 100%; font-size: 0.9875rem; margin: 0; }
caption { text-align: left; font-weight: 700; padding: 1rem 1.1rem 0.25rem; caption-side: top; }
th, td { text-align: left; vertical-align: top; padding: 0.8rem 1.1rem; border-bottom: 1px solid var(--line); }
thead th { background: var(--surface-2); color: var(--muted); font-size: 0.875rem; font-weight: 700; }
tbody tr:last-child td, tbody tr:last-child th { border-bottom: 0; }
th[scope="row"] { font-weight: 700; }
td.num, th.num { text-align: right; }
.band-alt .table-wrap { background: var(--raised); }
.compare thead th:not(:first-child), .compare td { width: 24%; }
.compare .gl { display: inline-block; vertical-align: -0.2em; width: 1.2rem; height: 1.2rem; margin-right: 0.5rem; border-radius: 50%; position: relative; }
.compare .yes { color: var(--ink); }
.compare .yes .gl { background: var(--accent-soft); }
.compare .yes .gl::after { content: ""; position: absolute; left: 0.33rem; top: 0.33rem; width: 0.55rem; height: 0.3rem; border-left: 2px solid var(--accent-text); border-bottom: 2px solid var(--accent-text); transform: rotate(-45deg); }
.compare .no { color: var(--muted); }
.compare .no .gl { border: 1.5px solid var(--line-strong); }
.compare .no .gl::after { content: ""; position: absolute; left: 0.28rem; top: 0.45rem; width: 0.5rem; height: 2px; background: var(--muted); }
@media (max-width: 40rem) {
  .table-wrap { overflow: visible; }
  table, tbody, tr, th, td { display: block; width: 100%; }
  thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); }
  tr { padding: 0.85rem 1rem; border-bottom: 1px solid var(--line); }
  tbody tr:last-child { border-bottom: 0; }
  th, td { border: 0; padding: 0.15rem 0; }
  .compare td { width: 100%; }
  th[scope="row"] { overflow-wrap: anywhere; }
  td[data-label]::before { content: attr(data-label) ": "; font-weight: 700; color: var(--muted); }
  caption { display: block; }
}

/* ---------- gallery ---------- */
.gallery { display: grid; gap: 1.5rem; }
@media (min-width: 56rem) { .gallery.three { grid-template-columns: repeat(3, 1fr); align-items: start; } }
.gallery figure { margin: 0; }
.shot { border: 1px solid var(--line); background: #fff; border-radius: 10px; box-shadow: var(--shadow-1); }
figure figcaption { font-size: 0.9375rem; color: var(--muted); padding: 0.75rem 0.1rem 0; }

/* ---------- quote preview ---------- */
.qp { background: var(--raised); border: 1px solid var(--line); border-radius: var(--r-card); box-shadow: var(--shadow-1); padding: 1.25rem; display: grid; gap: 1.75rem; }
@media (min-width: 56rem) { .qp { grid-template-columns: 1.15fr 0.85fr; padding: 2rem; gap: 2.5rem; } }
.qp fieldset { border: 0; padding: 0; margin: 0; min-width: 0; }
.qp .grid2 { display: grid; gap: 0.9rem; grid-template-columns: 1fr 1fr; margin-bottom: 0.9rem; align-items: end; }
.qp .field label { font-size: 0.875rem; }
.qp .field + .field { margin-top: 0.9rem; }
.qp .btn-row { margin: 1rem 0 0; }
.qp .btn { min-height: 2.75rem; }
.qp-result { background: var(--surface-2); border: 1px solid var(--line); border-radius: 12px; padding: 1.25rem; align-self: start; }
.qp-result h3 { margin: 0 0 0.75rem; }
.qp dl { display: grid; grid-template-columns: 1fr auto; row-gap: 0.4rem; margin: 0; }
.qp dt { color: var(--muted); padding-right: 1rem; }
.qp dd { margin: 0; text-align: right; font: 600 1rem var(--mono); font-variant-numeric: tabular-nums; }
.qp dt.total, .qp dd.total { border-top: 2px dashed var(--line-strong); padding-top: 0.75rem; margin-top: 0.5rem; color: var(--ink); font-size: 1.125rem; font-weight: 700; }
.qp dd.total { font-size: 1.75rem; line-height: 1.1; letter-spacing: -0.02em; }
.qp .verdict { margin: 1rem 0 0.75rem; padding: 0.5rem 0.75rem; background: var(--raised); border: 1px solid var(--line-strong); border-radius: 8px; font-weight: 700; }
.qp .small { margin: 0; font-size: 0.875rem; }

/* ---------- forms ---------- */
.form { max-width: 34rem; display: grid; gap: 1.1rem; }
.field label, .field legend { display: block; font-weight: 700; font-size: 0.9375rem; margin-bottom: 0.35rem; }
.field .hint { display: block; font-weight: 400; color: var(--muted); font-size: 0.875rem; }
input, select, textarea { width: 100%; font: inherit; color: var(--ink); background: var(--raised); border: 1.5px solid var(--line-strong); border-radius: var(--r-ctl); padding: 0.6rem 0.8rem; min-height: 2.75rem; transition: border-color 150ms, box-shadow 150ms; }
input:hover, select:hover, textarea:hover { border-color: var(--ink); }
input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 3px solid var(--focus); outline-offset: 1px; border-color: var(--focus); }
textarea { min-height: 7.5rem; resize: vertical; }
input[aria-invalid="true"], textarea[aria-invalid="true"], select[aria-invalid="true"] { border-color: var(--pending); border-width: 2px; }
.err { color: var(--pending-text); font-weight: 600; font-size: 0.9375rem; margin: 0.35rem 0 0; }
.err:empty { display: none; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.status { padding: 0.85rem 1rem; border: 1px solid var(--line); border-radius: 10px; background: var(--raised); max-width: 34rem; margin-top: 1rem; }
.status:empty { display: none; }
.status.ok { border-left: 5px solid var(--accent); }
.status.bad { border-left: 5px solid var(--pending); }
.contact-grid { display: grid; gap: 2rem; max-width: none; }
.contact-grid > * { min-width: 0; }
@media (min-width: 62rem) { .contact-grid { grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 5rem; } }
.contact-grid h2 { margin-top: 0; }

/* ---------- faq ---------- */
.qa { max-width: 48rem; border-top: 1px solid var(--line); }
.qa details { border-bottom: 1px solid var(--line); }
.qa summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 1rem; min-height: 3.5rem; padding: 0.9rem 0.25rem; font-weight: 700; font-size: 1.0625rem; letter-spacing: -0.01em; }
.qa summary::-webkit-details-marker { display: none; }
.qa summary::after { content: ""; flex: none; width: 0.6rem; height: 0.6rem; border-right: 2.5px solid var(--muted); border-bottom: 2.5px solid var(--muted); transform: rotate(45deg); transition: transform 150ms; margin-right: 0.3rem; }
.qa details[open] > summary::after { transform: rotate(-135deg); }
.qa summary:hover { color: var(--accent-text); }
.qa details p { margin: 0 0 1.1rem 0.25rem; max-width: 40rem; }

/* ---------- free sample downloads ---------- */
.dl-row { display: grid; gap: 1rem; max-width: 44rem; margin-bottom: 1rem; }
@media (min-width: 40rem) { .dl-row { grid-template-columns: 1fr 1fr; } }
.dl-card { display: grid; grid-template-columns: auto 1fr; gap: 0.25rem 1rem; align-items: center; background: var(--raised); border: 1px solid var(--line); border-radius: var(--r-card); box-shadow: var(--shadow-1); padding: 1.1rem 1.25rem; color: var(--ink); text-decoration: none; transition: transform 150ms, box-shadow 150ms; }
.dl-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-2); text-decoration: none; }
.dl-ext { width: 3.25rem; height: 3.25rem; display: grid; place-items: center; font-weight: 700; font-size: 0.9375rem; border-radius: 10px; background: var(--accent-soft); color: var(--accent-text); }
.dl-name { font-weight: 700; font-size: 1.0625rem; letter-spacing: -0.015em; }
.dl-name small { display: block; font-weight: 400; color: var(--muted); font-size: 0.875rem; letter-spacing: 0; }
.dl-card .btn { grid-column: 1 / -1; margin-top: 0.5rem; pointer-events: none; }

/* ---------- footer ---------- */
.site-footer { background: var(--surface-2); border-top: 1px solid var(--line); padding-block: 3rem 3.5rem; font-size: 0.9375rem; color: var(--muted); }
.foot { display: grid; gap: 1.5rem 3rem; }
@media (min-width: 48rem) { .foot { grid-template-columns: 1fr auto; } .foot-sisters, .foot-fine { grid-column: 1 / -1; } }
.foot p { margin: 0 0 0.5rem; max-width: 70ch; }
.foot-id .brand { margin-bottom: 0.5rem; }
.foot-links { list-style: none; display: flex; flex-wrap: wrap; gap: 0.25rem 1.5rem; margin: 0; padding: 0; align-content: start; }
.foot-links a { display: inline-block; padding: 0.4rem 0; }
.site-footer a { color: var(--ink); }
.foot-fine { font-size: 0.875rem; }

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; animation: none !important; } .btn-primary:hover, .dl-card:hover { transform: none; } }
@media print { .site-header, .site-footer, .skip, .tracker { display: none; } body { background: #fff; color: #000; } .band, .band-alt { background: #fff; } }

/* no-JS: panels stack; JS-only tab bar stays hidden (see tabs.js) */

/* ---------- v2 additions: hero fact line, breadcrumbs, guides, about ---------- */
.hero-home h1, .hero-copy h1 { font-size: clamp(2.4rem, 5vw, 4.1rem); }
.hero-kit .hero-copy h1 { font-size: clamp(2.2rem, 4.6vw, 3.6rem); }
.fact-line { margin: 1.25rem 0 0; padding-top: 1rem; border-top: 1px solid var(--line); font-size: 0.9375rem; color: var(--muted); max-width: 34em; }
.crumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 0.1rem 0; margin: 0 0 1rem; padding: 0; font-size: 0.875rem; color: var(--muted); }
.crumbs li + li::before { content: "/"; margin: 0 0.5rem; color: var(--line-strong); }
.crumbs a { color: var(--muted); display: inline-block; padding: 0.35rem 0; }
.crumbs a:hover { color: var(--ink); }
.crumbs [aria-current] { color: var(--ink); font-weight: 600; }
.crumbs-solo { padding-top: 1.25rem; }
.byline { margin: 1.25rem 0 0; }
.answer { font-size: 1.1875rem; line-height: 1.55; padding: 1.1rem 1.25rem; background: var(--accent-soft); border-left: 5px solid var(--accent); border-radius: 0 12px 12px 0; max-width: none; margin-bottom: 1.5rem; color: var(--ink); }
.formula { background: var(--surface-2); border: 1px solid var(--line); border-radius: 10px; padding: 0.9rem 1.1rem; font-size: 1rem; }
.formula code { background: none; border: 0; padding: 0; font-size: 1em; }
.sample { background: var(--raised); border: 1px solid var(--line); border-left: 5px solid var(--line-strong); border-radius: 0 12px 12px 0; padding: 1rem 1.25rem 0.25rem; margin-bottom: 1.25rem; max-width: var(--measure); box-shadow: var(--shadow-1); }
.article .table-wrap { max-width: 54rem; }
.guide-list { list-style: none; padding: 0; margin: 0 0 1.5rem; display: grid; gap: 1rem; max-width: 46rem; }
.guide-card { display: block; background: var(--raised); border: 1px solid var(--line); border-radius: var(--r-card); box-shadow: var(--shadow-1); padding: 1.4rem 1.5rem; color: var(--ink); text-decoration: none; transition: transform 150ms, box-shadow 150ms; }
.guide-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-2); }
.guide-card h2 { font-size: 1.5rem; margin: 0 0 0.4rem; }
.guide-card p { color: var(--muted); max-width: 40em; }
.guide-more { font-weight: 700; color: var(--accent-text); }
@media (prefers-reduced-motion: reduce) { .guide-card:hover { transform: none; } }
.nw { white-space: nowrap; }