/* AnzuchtPlaner — Greenhouse: seedling green, organic shapes, light and airy. */
:root {
  --leaf: #2e7d3f; --leaf-deep: #1c5a2b; --leaf-soft: #e7f3e4; --sprout: #8fd18a;
  --cream: #fdfaf1; --paper: #ffffff; --ink: #26382a; --mut: #66795f;
  --line: #dfe8d4; --sun: #f0b429; --sun-soft: #fdf3d7;
  --serif: Georgia, "Times New Roman", serif;
  --sans: "Trebuchet MS", "Segoe UI", -apple-system, Roboto, Arial, sans-serif;
  --r: 18px; --sh: 0 3px 16px rgba(28,90,43,.09); --sh-lift: 0 18px 44px rgba(28,90,43,.14);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--sans); background: var(--cream); color: var(--ink); line-height: 1.75; -webkit-font-smoothing: antialiased; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 26px; }
h1, h2, h3 { font-family: var(--serif); line-height: 1.3; color: var(--leaf-deep); font-weight: 700; }
/* header */
header.site { background: rgba(253,250,241,.94); backdrop-filter: blur(6px); position: sticky; top: 0; z-index: 50; border-bottom: 1px solid var(--line); }
header.site .bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 0; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--leaf-deep); text-decoration: none; font-family: var(--serif); font-size: 1.42rem; font-weight: 700; }
.brand .sprout-ic { width: 40px; height: 40px; border-radius: 50%; background: linear-gradient(135deg, var(--sprout), var(--leaf));
  display: inline-flex; align-items: center; justify-content: center; }
.brand .sprout-ic svg { width: 23px; height: 23px; stroke: #fff; fill: none; stroke-width: 2; stroke-linecap: round; }
.brand em { font-style: normal; color: var(--leaf); }
nav.main a { color: var(--leaf-deep); text-decoration: none; margin-left: 18px; font-size: .92rem; font-weight: 600; }
nav.main a:hover { color: var(--leaf); text-decoration: underline; text-decoration-color: var(--sun); text-decoration-thickness: 2px; }
/* hero — split with organic arch image */
.hero { padding: 70px 0 60px; position: relative; overflow: hidden;
  background: radial-gradient(1100px 500px at 85% -10%, var(--leaf-soft), transparent), var(--cream); }
.hero .grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 50px; align-items: center; position: relative; z-index: 1; }
.kicker { display: inline-flex; align-items: center; gap: 8px; font-size: .78rem; font-weight: 700; letter-spacing: .14em;
  color: var(--leaf-deep); text-transform: uppercase; margin-bottom: 18px; }
.kicker svg { width: 18px; height: 18px; stroke: var(--leaf); fill: none; stroke-width: 2; stroke-linecap: round; }
.hero h1 { font-size: 3rem; margin-bottom: 16px; }
.hero h1 .hl { color: var(--leaf); position: relative; }
.hero p.lead { color: var(--mut); font-size: 1.08rem; max-width: 560px; margin-bottom: 30px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-leaf { display: inline-block; background: var(--leaf); color: #fff; text-decoration: none; padding: 16px 36px;
  border-radius: 999px; font-weight: 700; box-shadow: 0 10px 26px rgba(46,125,63,.32); transition: transform .15s, background .15s; }
.btn-leaf:hover { transform: translateY(-3px); background: var(--leaf-deep); }
.btn-outline { display: inline-block; border: 2px solid var(--leaf); color: var(--leaf-deep); text-decoration: none;
  padding: 14px 34px; border-radius: 999px; font-weight: 700; background: #fff; }
.btn-outline:hover { background: var(--leaf-soft); }
.hero .arch { border-radius: 46% 54% 52% 48% / 8% 8% 12% 12%; overflow: hidden; box-shadow: var(--sh-lift);
  border: 6px solid #fff; aspect-ratio: 4/3.4; }
.hero .arch img { width: 100%; height: 100%; object-fit: cover; display: block; }
.wave { display: block; width: 100%; height: 46px; margin-bottom: -1px; }
/* sections */
section.block { padding: 64px 0; }
.sec-kick { color: var(--leaf); font-size: .8rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; margin-bottom: 10px; }
.sec-title { font-size: 2.2rem; margin-bottom: 12px; }
.sec-sub { color: var(--mut); max-width: 720px; margin-bottom: 36px; }
/* tool cards */
.tgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px; }
.tcard { background: var(--paper); border-radius: var(--r); box-shadow: var(--sh); text-decoration: none; color: var(--ink);
  overflow: hidden; transition: transform .16s, box-shadow .16s; display: flex; flex-direction: column; border: 1px solid var(--line); }
.tcard:hover { transform: translateY(-6px) rotate(-.4deg); box-shadow: var(--sh-lift); }
.tcard .top { height: 8px; background: linear-gradient(90deg, var(--sprout), var(--leaf), var(--sun)); }
.tcard .tx { padding: 24px 26px 28px; flex: 1; }
.tcard .tic { width: 46px; height: 46px; border-radius: 50%; background: var(--leaf-soft); display: inline-flex;
  align-items: center; justify-content: center; margin-bottom: 14px; }
.tcard .tic svg { width: 24px; height: 24px; stroke: var(--leaf-deep); fill: none; stroke-width: 1.9; stroke-linecap: round; }
.tcard .tx h3 { font-size: 1.28rem; margin-bottom: 8px; }
.tcard .tx p { font-size: .93rem; color: var(--mut); margin-bottom: 12px; }
.tcard .go { font-weight: 700; color: var(--leaf); font-size: .92rem; }
/* prose */
article.prose { max-width: 820px; }
article.prose h2 { font-size: 1.7rem; margin: 38px 0 12px; }
article.prose h3 { font-size: 1.2rem; margin: 24px 0 8px; font-family: var(--sans); font-weight: 700; }
article.prose p, article.prose li { margin-bottom: 10px; color: #3c4f3e; }
article.prose ul, article.prose ol { padding-left: 24px; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; margin: 52px 0; }
.split.flip > div:first-child { order: 2; }
.split .pic { border-radius: var(--r); overflow: hidden; box-shadow: var(--sh-lift); border: 6px solid #fff; }
.split .pic img { width: 100%; display: block; aspect-ratio: 4/3; object-fit: cover; }
.split h3 { font-size: 1.7rem; margin-bottom: 12px; }
.split p { color: var(--mut); margin-bottom: 12px; }
.split .more { font-weight: 700; color: var(--leaf-deep); text-decoration: none; border-bottom: 3px solid var(--sun); }
/* tables */
table.ref { width: 100%; border-collapse: collapse; margin: 14px 0 26px; font-size: .93rem; background: #fff;
  border-radius: 14px; overflow: hidden; box-shadow: var(--sh); }
table.ref th { background: var(--leaf); color: #fff; padding: 12px 16px; text-align: left; font-size: .86rem; font-family: var(--sans); }
table.ref td { padding: 11px 16px; border-bottom: 1px solid var(--line); }
table.ref tr:last-child td { border-bottom: none; }
table.ref tr:nth-child(even) td { background: #f4f9f1; }
/* page head */
.crumbs { font-size: .86rem; color: var(--mut); margin: 26px 0 10px; }
.crumbs a { color: var(--leaf); text-decoration: none; font-weight: 600; }
.pagehead { max-width: 800px; }
.pagehead h1 { font-size: 2.5rem; margin-bottom: 12px; }
.pagehead h1 .hl { color: var(--leaf); }
.pagehead p { color: var(--mut); font-size: 1.03rem; }
.pagehead .pimg { margin: 26px 0 0; max-width: 660px; border-radius: var(--r); overflow: hidden; box-shadow: var(--sh-lift); border: 6px solid #fff; }
.pagehead .pimg img { width: 100%; max-height: 300px; object-fit: cover; display: block; }
/* calculator */
.calc { background: #fff; border-radius: 22px; padding: 36px; margin: 30px 0; box-shadow: var(--sh); border: 1px solid var(--line); max-width: 760px; }
.calc .chead { display: flex; align-items: center; gap: 12px; margin-bottom: 22px; padding-bottom: 16px; border-bottom: 2px solid var(--leaf-soft); }
.calc .chead .leafdot { width: 34px; height: 34px; border-radius: 50%; background: var(--leaf-soft); display: inline-flex; align-items: center; justify-content: center; }
.calc .chead .leafdot svg { width: 18px; height: 18px; stroke: var(--leaf-deep); fill: none; stroke-width: 2; stroke-linecap: round; }
.calc .chead strong { color: var(--leaf-deep); font-family: var(--serif); font-size: 1.15rem; }
.field { margin-bottom: 18px; }
.field label { display: block; font-weight: 600; margin-bottom: 7px; font-size: .94rem; }
.field label .unit { color: var(--mut); font-weight: 400; font-size: .85rem; }
.field input, .field select { width: 100%; padding: 13px 16px; border: 2px solid var(--line); border-radius: 12px;
  font-size: 1rem; background: #fbfdf9; color: var(--ink); font-family: var(--sans); }
.field input:focus, .field select:focus { outline: none; border-color: var(--leaf); background: #fff; }
.field input.invalid { border-color: #c0392b; background: #fdf2f0; }
.field .hint { font-size: .83rem; color: var(--mut); margin-top: 5px; }
.field .error { font-size: .83rem; color: #c0392b; margin-top: 5px; display: none; font-weight: 600; }
.frow { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.btn-row { display: flex; gap: 12px; margin-top: 8px; }
button.calc-btn { background: var(--leaf); color: #fff; border: none; padding: 15px 30px; border-radius: 999px; font-size: 1rem;
  font-weight: 700; cursor: pointer; flex: 1; transition: transform .15s, background .15s; font-family: var(--sans); }
button.calc-btn:hover { transform: translateY(-2px); background: var(--leaf-deep); }
button.reset-btn { background: transparent; color: var(--mut); border: 2px solid var(--line); padding: 15px 26px;
  border-radius: 999px; cursor: pointer; font-weight: 600; font-family: var(--sans); }
button.reset-btn:hover { border-color: var(--mut); }
.result { display: none; margin-top: 24px; background: linear-gradient(135deg, var(--leaf-deep), var(--leaf)); border-radius: 16px;
  padding: 26px; color: #fff; }
.result.show { display: block; animation: growIn .35s ease; }
@keyframes growIn { from { opacity: 0; transform: scale(.97); } to { opacity: 1; transform: none; } }
.result .big { font-family: var(--serif); font-size: 1.9rem; font-weight: 700; color: var(--sun); }
.result .rrow { display: flex; justify-content: space-between; gap: 12px; padding: 9px 0; border-bottom: 1px solid rgba(255,255,255,.22); font-size: .95rem; }
.result .rrow:last-child { border-bottom: none; }
.result .rrow span:first-child { color: #d9ecd6; }
.result .note { font-size: .85rem; color: #d9ecd6; margin-top: 10px; }
/* boxes */
.formula { background: #fff; border: 2px dashed var(--sprout); border-radius: var(--r); padding: 20px 24px; margin: 24px 0; font-size: .93rem; }
.formula .flab { font-size: .76rem; letter-spacing: .12em; color: var(--leaf); font-weight: 700; margin-bottom: 8px; text-transform: uppercase; }
.formula code { background: var(--leaf-soft); padding: 2px 8px; border-radius: 6px; font-size: .88rem; }
.warnbox { background: var(--sun-soft); border: 2px solid var(--sun); border-radius: var(--r); padding: 18px 22px; margin: 24px 0; font-size: .92rem; color: #6b4e0c; }
.warnbox strong { text-transform: uppercase; letter-spacing: .04em; }
.tipbox { background: var(--leaf-soft); border: 2px solid var(--leaf); border-radius: var(--r); padding: 18px 22px; margin: 24px 0; font-size: .92rem; color: #1e4a27; }
.example { background: #fff; border-radius: var(--r); padding: 20px 24px; margin: 22px 0; box-shadow: var(--sh); border-left: 6px solid var(--sun); font-size: .93rem; }
.example .elab { font-size: .76rem; letter-spacing: .1em; color: #9a7414; font-weight: 700; margin-bottom: 8px; text-transform: uppercase; }
/* faq */
.faq details { background: #fff; border-radius: 14px; margin-bottom: 10px; padding: 16px 22px; box-shadow: var(--sh); border: 1px solid var(--line); }
.faq summary { font-weight: 700; cursor: pointer; color: var(--leaf-deep); font-family: var(--serif); font-size: 1.05rem; }
.faq p { margin-top: 8px; color: var(--mut); font-size: .94rem; }
/* checklist */
.checklist { background: #fff; border-radius: var(--r); border: 1px solid var(--line); box-shadow: var(--sh); margin: 28px 0; max-width: 760px; overflow: hidden; }
.checklist .progress { padding: 18px 26px; border-bottom: 2px solid var(--leaf-soft); color: var(--leaf-deep); font-weight: 700; }
.check-item { display: flex; gap: 16px; padding: 18px 26px; border-bottom: 1px solid var(--line); cursor: pointer; align-items: flex-start; }
.check-item:last-child { border-bottom: none; }
.check-item input { width: 22px; height: 22px; margin-top: 3px; accent-color: var(--leaf); flex-shrink: 0; }
.check-item.done .ctitle { text-decoration: line-through; color: var(--mut); }
.check-item .ctitle { font-weight: 700; color: var(--leaf-deep); }
.check-item .cbody { font-size: .9rem; color: var(--mut); }
/* month table */
table.cal { width: 100%; border-collapse: collapse; margin: 14px 0 26px; font-size: .88rem; background: #fff; border-radius: 14px; overflow: hidden; box-shadow: var(--sh); }
table.cal th { background: var(--leaf); color: #fff; padding: 10px 8px; font-size: .8rem; }
table.cal td { padding: 10px 8px; border-bottom: 1px solid var(--line); text-align: center; }
table.cal td.sow { background: var(--leaf-soft); font-weight: 700; color: var(--leaf-deep); }
table.cal td:first-child, table.cal th:first-child { text-align: left; padding-left: 16px; }
/* cta + footer */
.cta-band { background: linear-gradient(120deg, var(--leaf-deep), var(--leaf)); border-radius: 24px; padding: 54px 36px;
  text-align: center; color: #e4f2e1; margin: 60px 0; }
.cta-band h2 { color: #fff; font-size: 2.1rem; margin-bottom: 10px; }
.cta-band p { margin-bottom: 26px; }
footer.site { background: var(--leaf-deep); color: #bcd8ba; padding: 54px 0 28px; margin-top: 64px; font-size: .9rem; }
footer.site .fgrid { display: grid; grid-template-columns: 1.7fr 1fr 1fr 1fr; gap: 28px; margin-bottom: 30px; }
footer.site h4 { color: var(--sun); font-size: .8rem; text-transform: uppercase; letter-spacing: .12em; margin-bottom: 12px; }
footer.site a { color: #e4f2e1; text-decoration: none; display: block; margin-bottom: 8px; }
footer.site a:hover { color: var(--sun); }
footer.site .fbot { border-top: 1px solid rgba(255,255,255,.16); padding-top: 18px; font-size: .82rem; display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
@media (max-width: 820px) {
  .hero .grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2.2rem; }
  .hero .arch { max-width: 480px; }
  .split, .frow { grid-template-columns: 1fr; }
  footer.site .fgrid { grid-template-columns: 1fr 1fr; }
  .calc { padding: 26px 20px; }
}