@font-face { font-family: 'Source Serif 4'; src: url(/fonts/sourceserif4.woff2) format('woff2'); font-weight: 400 700; font-display: swap; }
@font-face { font-family: 'Inter'; src: url(/fonts/inter.woff2) format('woff2'); font-weight: 400 700; font-display: swap; }
@font-face { font-family: 'JetBrains Mono'; src: url(/fonts/jetbrainsmono.woff2) format('woff2'); font-weight: 400 500; font-display: swap; }

:root {
  --paper: #faf8f3;
  --panel: #ffffff;
  --ink: #1b1a17;
  --body: #3d3a33;
  --muted: #6b6556;
  --rule: #e5e0d4;
  --rule-strong: #cfc8b8;
  --green: #1f5c47;
  --green-soft: #eaf1ec;
  --serif: 'Source Serif 4', Georgia, 'Times New Roman', serif;
  --sans: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;
  --radius: 8px;
  font-family: var(--sans);
  font-size: 16px;
  color: var(--body);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
* { box-sizing: border-box; }
html { color-scheme: light; -webkit-text-size-adjust: 100%; }
body { margin: 0; line-height: 1.6; touch-action: manipulation; -webkit-tap-highlight-color: rgba(31, 92, 71, .15); }
[id] { scroll-margin-top: 24px; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 10; padding: 10px 14px; border-radius: 6px; background: var(--ink); color: #fff; text-decoration: none; }
.skip:focus { top: 12px; color: #fff; }
a { color: var(--ink); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--green); }
::selection { background: #d6e6dc; }
:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; border-radius: 4px; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 760px; }

/* Header */
header.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 22px 0; border-bottom: 1px solid var(--rule); }
.logo { font-family: var(--serif); font-weight: 600; font-size: 21px; letter-spacing: -0.01em; color: var(--ink); text-decoration: none; display: inline-flex; align-items: center; gap: 10px; }
.logo::before { content: ''; width: 18px; height: 18px; border-radius: 4px; background: var(--green); box-shadow: inset 0 -6px 0 rgba(0,0,0,.18); }
nav { display: flex; align-items: center; gap: 26px; }
nav a { text-decoration: none; font-size: 14.5px; color: var(--body); }
nav a:hover { color: var(--ink); }
nav .btn { padding: 8px 14px; font-size: 14px; }
@media (max-width: 720px) { nav a:not(.btn) { display: none; } }

/* Type */
h1, h2, h3 { font-family: var(--serif); color: var(--ink); font-weight: 600; letter-spacing: -0.015em; text-wrap: balance; }
h1 { font-size: clamp(36px, 5.2vw, 56px); line-height: 1.06; margin: 0 0 20px; font-weight: 600; }
h2 { font-size: clamp(26px, 3vw, 34px); line-height: 1.15; margin: 0 0 14px; }
h3 { font-size: 19px; line-height: 1.3; margin: 0 0 6px; }
p { margin: 0 0 14px; text-wrap: pretty; }
.lead { font-size: 19px; line-height: 1.55; color: var(--body); max-width: 600px; }
.muted { color: var(--muted); }
.small { font-size: 14px; }
.eyebrow, .step, .index { font-family: var(--mono); font-size: 12.5px; letter-spacing: 0.02em; color: var(--green); text-transform: none; font-weight: 500; }
.pill { display: inline-block; font-family: var(--mono); font-size: 12.5px; color: var(--green); background: none; padding: 0; margin-bottom: 10px; }
code { font-family: var(--mono); font-size: 0.88em; background: #f0ece2; padding: 1px 5px; border-radius: 4px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 10px 20px; border-radius: 6px; border: 1px solid var(--green); background: var(--green); color: #fff; font: 600 15px/1 var(--sans); text-decoration: none; cursor: pointer; transition: background-color .15s, transform .1s; }
.btn:hover { background: #174a39; color: #fff; }
.btn:active { transform: scale(0.98); }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--rule-strong); }
.btn.ghost:hover { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn[disabled] { opacity: .45; cursor: default; }
.bookmarklet { cursor: grab; border-style: dashed; border-color: #0f3d2e; }
.textlink { font-weight: 500; text-decoration: none; border-bottom: 1px solid var(--rule-strong); padding-bottom: 1px; }
.textlink:hover { border-color: var(--green); }

/* Surfaces */
.card { background: var(--panel); border: 1px solid var(--rule); border-radius: var(--radius); padding: 24px; }
.win { background: var(--green-soft); border-color: #c6dacd; }
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.price { font-family: var(--serif); font-size: 34px; color: var(--ink); font-weight: 600; font-variant-numeric: tabular-nums; }
.result { font-size: 18px; margin: 0; }
.bar { height: 6px; border-radius: 99px; background: var(--rule); overflow: hidden; margin-bottom: 10px; }
.bar > div { height: 100%; background: var(--green); transition: width .4s ease-out; }

/* Tables and forms */
table { border-collapse: collapse; width: 100%; font-size: 15px; font-variant-numeric: tabular-nums; }
th, td { text-align: left; padding: 11px 12px; border-bottom: 1px solid var(--rule); vertical-align: top; }
th { font: 500 12px/1.4 var(--mono); color: var(--muted); letter-spacing: .02em; }
tr:last-child td { border-bottom: 0; }
label { font-weight: 600; font-size: 14.5px; color: var(--ink); display: block; margin: 18px 0 6px; }
input[type=number], input[type=email], input[type=text], select, textarea { width: 100%; padding: 10px 12px; border-radius: 6px; border: 1px solid var(--rule-strong); font: inherit; background: #fff; color: var(--ink); }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--green); outline-offset: -1px; border-color: transparent; }

/* FAQ */
details { border-top: 1px solid var(--rule); padding: 16px 0; }
details:last-child { border-bottom: 1px solid var(--rule); }
summary { font-weight: 600; color: var(--ink); cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: '+'; font-family: var(--mono); color: var(--muted); }
details[open] summary::after { content: '−'; }
details p { margin: 10px 0 0; }

/* Long-form pages */
.prose { margin-top: 8px; }
.prose p, .prose li { font-size: 17px; line-height: 1.7; }
.prose h2 { font-size: 27px; margin-top: 48px; }
.prose li { margin-bottom: 8px; }
.wrap.narrow > h1 { margin-top: 48px; }

footer { margin: 96px 0 0; padding: 28px 0 48px; border-top: 1px solid var(--rule); color: var(--muted); font-size: 14px; }
footer a { color: var(--muted); }

/* Landing page */
.hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: 56px; align-items: center; padding: 72px 0 88px; }
.hero .eyebrow { display: block; margin-bottom: 18px; }
.hero .actions { display: flex; flex-wrap: wrap; align-items: center; gap: 22px; margin: 30px 0 18px; }
.hero .assure { font-size: 14px; color: var(--muted); display: flex; flex-wrap: wrap; gap: 6px 18px; padding: 0; margin: 0; list-style: none; }
.hero .assure li::before { content: '✓ '; color: var(--green); }
@media (max-width: 900px) { .hero { grid-template-columns: 1fr; gap: 40px; padding: 48px 0 64px; } }

.sheet { background: var(--panel); border: 1px solid var(--rule-strong); border-radius: 10px; box-shadow: 0 1px 0 rgba(0,0,0,.03), 0 18px 40px -24px rgba(40,34,20,.35); overflow: hidden; }
.sheet-bar { display: flex; align-items: center; justify-content: space-between; padding: 10px 14px; border-bottom: 1px solid var(--rule); font: 12px/1 var(--mono); color: var(--muted); background: #fcfbf8; }
.sheet-tabs { display: flex; gap: 2px; padding: 8px 10px 0; border-bottom: 1px solid var(--rule); background: #fcfbf8; }
.sheet-tabs button { font: 500 12.5px/1 var(--sans); color: var(--muted); background: none; border: 1px solid transparent; border-bottom: 0; border-radius: 6px 6px 0 0; padding: 9px 12px; cursor: pointer; min-height: 34px; }
.sheet-tabs button[aria-pressed=true] { color: var(--ink); background: var(--panel); border-color: var(--rule); margin-bottom: -1px; }
.sheet-body { height: 300px; overflow: hidden; }
.sheet table { font-size: 13px; table-layout: fixed; }
.sheet th { background: #fcfbf8; position: sticky; top: 0; font-size: 11px; white-space: nowrap; }
.sheet td { padding: 9px 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: var(--body); }
.sheet th { overflow: hidden; text-overflow: ellipsis; }
.sheet td.mono { font-family: var(--mono); font-size: 12px; }
.sheet-foot { padding: 9px 14px; border-top: 1px solid var(--rule); font: 12px/1 var(--mono); color: var(--muted); background: #fcfbf8; }

.section { padding: 80px 0; border-top: 1px solid var(--rule); }
.section-head { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 32px; margin-bottom: 36px; align-items: baseline; }
.section-head h2 { margin: 0; }
.section-head p { max-width: 560px; color: var(--body); }
@media (max-width: 760px) { .section-head { grid-template-columns: 1fr; gap: 8px; } .section { padding: 56px 0; } }

.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--rule); }
.steps > div { padding: 26px 28px 8px 0; }
.steps > div + div { padding-left: 28px; border-left: 1px solid var(--rule); }
.steps .index { display: block; margin-bottom: 10px; }
.steps h3 { margin-bottom: 12px; }
@media (max-width: 760px) { .steps { grid-template-columns: 1fr; } .steps > div, .steps > div + div { padding: 22px 0 6px; border-left: 0; border-top: 1px solid var(--rule); } }

.files td:first-child { width: 34%; color: var(--ink); font-weight: 600; }
.files td code { font-weight: 400; }

.pricing { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 0; border: 1px solid var(--rule); border-radius: var(--radius); background: var(--panel); overflow: hidden; }
.pricing > div { padding: 30px; }
.pricing > div + div { border-left: 1px solid var(--rule); background: #fcfbf8; }
.pricing ul { margin: 0; padding: 0; list-style: none; }
.pricing li { padding: 7px 0; padding-left: 22px; position: relative; }
.pricing li::before { content: '✓'; position: absolute; left: 0; color: var(--green); }
.tiers td:last-child { text-align: right; font-family: var(--serif); font-size: 22px; color: var(--ink); font-weight: 600; }
@media (max-width: 760px) { .pricing { grid-template-columns: 1fr; } .pricing > div + div { border-left: 0; border-top: 1px solid var(--rule); } }

.faq { max-width: 760px; }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }
@media (max-width: 600px) { .files td { display: block; width: auto !important; border: 0; padding: 4px 4px; } .files tr { display: block; padding: 12px 0; border-bottom: 1px solid var(--rule); } .files tr:last-child { border-bottom: 0; } }
.card > label:first-child { margin-top: 0; }

/* Inner pages */
.page-head { padding: 64px 0 40px; max-width: 760px; }
.page-head .eyebrow { display: block; margin-bottom: 14px; }
.page-head .lead { margin: 0; }
.meta-line { font: 13px/1.4 var(--mono); color: var(--muted); margin-top: 18px; }
.article { max-width: 700px; }
.article .prose > :first-child { margin-top: 0; }
.prose h2 { padding-top: 8px; }
.prose ol, .prose ul { padding-left: 22px; }
.cta-band { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px 32px; margin: 56px 0 0; padding: 28px 30px; border-radius: var(--radius); background: var(--green-soft); border: 1px solid #c6dacd; }
.cta-band h3 { margin: 0 0 4px; }
.cta-band p { margin: 0; color: var(--body); }
.list-rows { border-top: 1px solid var(--rule); }
.list-rows a { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 4px 24px; padding: 22px 0; border-bottom: 1px solid var(--rule); text-decoration: none; }
.list-rows a:hover h3 { color: var(--green); }
.list-rows .row-title { margin: 0; font-size: 19px; line-height: 1.3; }
.list-rows a:hover .row-title { color: var(--green); }
.list-rows p { margin: 0; color: var(--muted); grid-column: 1; }
.list-rows .arrow { grid-row: 1 / span 2; grid-column: 2; align-self: center; font-family: var(--mono); color: var(--muted); }
.related { margin-top: 64px; }
.related h2 { font-size: 22px; }
.calc { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr); gap: 32px; align-items: start; }
.calc .results { position: sticky; top: 24px; display: grid; gap: 14px; }
.calc .results .card { padding: 20px 22px; }
.calc .results .label { font-family: var(--mono); font-size: 12.5px; font-weight: 500; color: var(--muted); letter-spacing: .02em; }
.calc .hint { font-size: 13.5px; color: var(--muted); margin: 6px 0 0; }
@media (max-width: 860px) { .calc { grid-template-columns: 1fr; } .calc .results { position: static; } }
footer .foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 18px 40px; }
footer .foot nav { gap: 20px; flex-wrap: wrap; }
footer .foot nav a { font-size: 14px; color: var(--muted); }
footer .fine { margin-top: 18px; font-size: 13px; }
.notfound { padding: 120px 0; }

/* Landing: livelier pieces */
:root { --c1: #f3c6a5; --c2: #bcd9c5; --c3: #c8d1ef; --c4: #f1df9c; --c5: #e8bccb; --c6: #b9dbe8; --hl: #ffe27a; }
.hl { background: linear-gradient(transparent 58%, var(--hl) 58%, var(--hl) 92%, transparent 92%) no-repeat 0 0 / 0% 100%; color: inherit; padding: 0 2px; animation: hl 0.9s 0.35s ease-out forwards; }
@keyframes hl { to { background-size: 100% 100%; } }

.stage { position: relative; padding: 0 0 54px 40px; }
.listing-card { position: absolute; bottom: 0; left: 0; z-index: 2; width: 236px; display: grid; grid-template-columns: 54px 1fr; gap: 12px; padding: 12px; background: #fff; border: 1px solid var(--rule-strong); border-radius: 10px; box-shadow: 0 14px 30px -18px rgba(40,34,20,.45); transform: rotate(-3deg); animation: float 6s ease-in-out 3; }
@keyframes float { 50% { transform: rotate(-3deg) translateY(-5px); } }
.listing-card .cover { width: 54px; height: 70px; border-radius: 5px; padding: 8px 7px; display: grid; gap: 5px; align-content: start; }
.listing-card .cover span { height: 5px; border-radius: 3px; background: rgba(255,255,255,.75); }
.listing-card .cover span:first-child { width: 80%; height: 8px; }
.lc-title { font-weight: 600; font-size: 13px; line-height: 1.3; color: var(--ink); }
.lc-meta { font-size: 11.5px; color: var(--muted); margin-top: 3px; }
.lc-price { font: 600 15px/1 var(--serif); color: var(--green); margin-top: 6px; }
.c1 { background: var(--c1); } .c2 { background: var(--c2); } .c3 { background: var(--c3); } .c4 { background: var(--c4); } .c5 { background: var(--c5); } .c6 { background: var(--c6); }
.thumb { display: inline-block; width: 14px; height: 18px; border-radius: 3px; margin-right: 8px; vertical-align: -4px; }
.sheet .stream tr:not(:first-child) { animation: rowin .45s calc(var(--i) * 90ms + 150ms) both cubic-bezier(.2,.7,.2,1); }
@keyframes rowin { from { opacity: 0; transform: translateY(6px); } }
@media (max-width: 900px) { .stage { padding: 0; } .listing-card { display: none; } }

.saved-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 48px; align-items: center; }
.saved label { font-size: 16px; }
.saved output { font: 600 18px var(--serif); color: var(--green); font-variant-numeric: tabular-nums; }
input[type=range] { width: 100%; height: 28px; background: transparent; -webkit-appearance: none; appearance: none; --p: 20%; }
input[type=range]::-webkit-slider-runnable-track { height: 6px; border-radius: 99px; background: linear-gradient(var(--green), var(--green)) 0/var(--p) 100% no-repeat, var(--rule); }
input[type=range]::-moz-range-track { height: 6px; border-radius: 99px; background: var(--rule); }
input[type=range]::-moz-range-progress { height: 6px; border-radius: 99px; background: var(--green); }
input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; width: 22px; height: 22px; margin-top: -8px; border-radius: 50%; background: #fff; border: 2px solid var(--green); box-shadow: 0 2px 6px rgba(0,0,0,.15); cursor: grab; }
input[type=range]::-moz-range-thumb { width: 18px; height: 18px; border-radius: 50%; background: #fff; border: 2px solid var(--green); cursor: grab; }
.hint { font-size: 13.5px; color: var(--muted); margin: 6px 0 0; }
.vs { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--rule); border-radius: var(--radius); background: var(--panel); }
.vs > div { padding: 24px 26px; }
.vs > div + div { border-left: 1px solid var(--rule); background: var(--green-soft); border-radius: 0 var(--radius) var(--radius) 0; }
.big { font: 600 clamp(30px, 4vw, 44px)/1.1 var(--serif); color: var(--ink); margin-top: 8px; font-variant-numeric: tabular-nums; }
.big.green { color: var(--green); }
.vs > div:first-child .big { text-decoration: line-through; text-decoration-color: rgba(192, 57, 43, .55); text-decoration-thickness: 3px; }
@media (max-width: 760px) { .saved-grid { grid-template-columns: 1fr; gap: 24px; } }

.mock { margin-top: 16px; border: 1px solid var(--rule); border-radius: 10px; background: var(--panel); font-size: 13px; min-height: 104px; }
.mock-bar { overflow: hidden; }
.mock-bar .dots { display: flex; gap: 6px; padding: 10px 12px; border-bottom: 1px solid var(--rule); background: #fcfbf8; }
.mock-bar .dots i { width: 9px; height: 9px; border-radius: 50%; background: var(--rule-strong); }
.mock-bar .chips { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; padding: 14px 12px; }
.mock-bar .chips span { padding: 6px 10px; border-radius: 6px; background: #f3efe6; color: var(--muted); }
.chip-bm { padding: 7px 12px; border-radius: 6px; border: 1.5px dashed var(--green); background: var(--green-soft); color: var(--green); font-weight: 600; text-decoration: none; cursor: grab; animation: nudge 2.4s 1.2s ease-in-out 4; }
@keyframes nudge { 0%, 70%, 100% { transform: none; } 80% { transform: translateY(-3px); } 90% { transform: translateY(0); } }
.mock-panel { padding: 14px 16px; display: grid; gap: 10px; box-shadow: 0 12px 26px -20px rgba(40,34,20,.5); }
.mock-panel .mp-head { display: flex; align-items: center; gap: 8px; font: 600 14px var(--serif); color: var(--ink); }
.mock-panel .sq { width: 12px; height: 12px; border-radius: 3px; background: var(--green); }
.mock-panel b { font-variant-numeric: tabular-nums; color: var(--ink); display: inline-block; min-width: 3ch; }
.mock-panel .bar { margin: 0; }
.mock-files { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 14px; }
.mock-files span { display: flex; align-items: center; gap: 8px; padding: 8px 10px; border: 1px solid var(--rule); border-radius: 6px; font: 12.5px var(--mono); color: var(--ink); }
.mock-files i { width: 8px; height: 8px; border-radius: 50%; }
.mock-files .d1 { background: #95bf47; } .mock-files .d2 { background: #f1641e; } .mock-files .d3 { background: #5b6ee1; } .mock-files .d4 { background: var(--green); }
@media (prefers-reduced-motion: reduce) { .hl { animation: none; background-size: 100% 100%; } .listing-card, .chip-bm, .sheet .stream tr { animation: none !important; } }

.mobile-note { display: none; font-size: 13.5px; color: var(--muted); margin: 10px 0 0; }
@media (hover: none) and (pointer: coarse) { .mobile-note { display: block; } }
.tab-btn[aria-pressed=true] { color: var(--ink); background: var(--panel); border-color: var(--rule); margin-bottom: -1px; }
.h3 { font-size: 19px; line-height: 1.3; margin: 0 0 4px; }
.calc .results .label { font: 500 12.5px/1.4 var(--mono); color: var(--muted); letter-spacing: .02em; }

.demo { margin: 0 0 40px; }
.demo video { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; border: 1px solid var(--rule-strong); border-radius: 10px; background: var(--paper); box-shadow: 0 18px 40px -28px rgba(40,34,20,.45); }
.demo figcaption { margin-top: 10px; }
.assure a { color: inherit; }