/* CalcCrib — stylesheet v2 (design upgrade 1 Nov 2026). Pure CSS, no frameworks, no webfonts. */
:root{
  --ink:#17222c; --muted:#5a6a78; --line:#dde5df; --bg:#ffffff; --soft:#f3f7f4;
  --brand:#0b6b47; --brand-dark:#084f35; --brand-tint:#e8f3ed; --accent:#f0a832; --accent-dark:#9a6a10;
  --card:#ffffff; --radius:14px; --maxw:1080px;
  --shadow:0 1px 2px rgba(16,42,32,.05),0 8px 24px -12px rgba(16,42,32,.18);
  --shadow-lift:0 2px 4px rgba(16,42,32,.06),0 16px 32px -12px rgba(16,42,32,.25);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.6;font-size:17px}
a{color:var(--brand-dark)}
a:hover{text-decoration-thickness:2px}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
::selection{background:#cdeeda}

/* Header */
.site-header{border-bottom:1px solid var(--line);background:rgba(255,255,255,.96);position:sticky;top:0;z-index:10;backdrop-filter:saturate(1.2)}
.site-header .wrap{display:flex;align-items:center;gap:18px;padding-top:11px;padding-bottom:11px;flex-wrap:wrap}
.logo{font-weight:800;font-size:1.35rem;color:var(--ink);text-decoration:none;letter-spacing:-.02em;display:flex;align-items:center;gap:10px}
.logo:hover{text-decoration:none}
.logo .logo-mark{flex:none;width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--brand-dark));
  display:inline-flex;align-items:center;justify-content:center;box-shadow:inset 0 1px 0 rgba(255,255,255,.25),0 4px 10px -4px rgba(8,79,53,.5)}
.logo .logo-mark svg{width:23px;height:23px;stroke:#fff}
.logo .logo-text span{color:var(--brand)}
.logo small{display:block;font-size:.68rem;font-weight:600;color:var(--muted);letter-spacing:.05em;text-transform:uppercase;line-height:1.2}
.main-nav{margin-left:auto;display:flex;gap:6px;flex-wrap:wrap}
.main-nav a{color:var(--ink);text-decoration:none;font-weight:600;font-size:.98rem;padding:7px 12px;border-radius:99px}
.main-nav a:hover{color:var(--brand-dark);background:var(--brand-tint)}

/* Hero */
.hero{background:
  radial-gradient(640px 300px at 85% -60px,rgba(240,168,50,.16),transparent 60%),
  radial-gradient(700px 340px at -10% -80px,rgba(11,107,71,.14),transparent 55%),
  linear-gradient(180deg,#eef6f1,#ffffff);
  border-bottom:1px solid var(--line);padding:52px 0 38px}
.hero h1{font-size:2.35rem;line-height:1.15;margin:0 0 12px;letter-spacing:-.025em;max-width:720px}
.hero h1 .hl{color:var(--brand);box-shadow:inset 0 -0.42em 0 #ffe1a1}
.hero p{color:var(--muted);max-width:640px;margin:0 0 20px;font-size:1.06rem}
.btn{display:inline-block;background:linear-gradient(180deg,#0e7a52,var(--brand-dark));color:#fff;padding:11px 20px;border-radius:10px;
  text-decoration:none;font-weight:700;border:0;cursor:pointer;font-size:1rem;box-shadow:0 6px 14px -6px rgba(8,79,53,.55),inset 0 1px 0 rgba(255,255,255,.22)}
.btn:hover{background:linear-gradient(180deg,#0b6b47,#073f2a);text-decoration:none}
.btn:active{transform:translateY(1px)}
.btn.secondary{background:#fff;color:var(--brand-dark);border:1.5px solid var(--brand);box-shadow:none}

/* Hero search + chips */
.hero-search{display:flex;gap:10px;max-width:640px;margin:22px 0 14px;flex-wrap:wrap}
.hero-search .search-box{flex:1 1 320px;display:flex;align-items:center;gap:10px;background:#fff;border:1.5px solid var(--line);
  border-radius:12px;padding:0 14px;box-shadow:var(--shadow)}
.hero-search .search-box svg{width:20px;height:20px;stroke:var(--muted);flex:none}
.hero-search input{flex:1;border:0;outline:0;font-size:1.02rem;padding:13px 0;background:transparent;color:var(--ink);min-width:0}
.hero-search input::placeholder{color:#8fa0ad}
.chips{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-top:4px}
.chips .chips-label{font-size:.86rem;color:var(--muted);font-weight:600}
.chip{display:inline-block;background:#fff;border:1px solid var(--line);color:var(--brand-dark);font-weight:600;font-size:.88rem;
  padding:5px 12px;border-radius:99px;text-decoration:none;box-shadow:0 1px 2px rgba(16,42,32,.05)}
.chip:hover{border-color:var(--brand);background:var(--brand-tint);text-decoration:none}
.hero-stats{display:flex;gap:26px;flex-wrap:wrap;margin-top:26px;padding-top:18px;border-top:1px dashed var(--line)}
.hero-stats .stat .n{font-size:1.3rem;font-weight:800;letter-spacing:-.02em;color:var(--brand-dark)}
.hero-stats .stat .k{font-size:.82rem;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.04em}

/* Layout blocks */
section.block{padding:30px 0}
h2{font-size:1.45rem;letter-spacing:-.01em;margin:0 0 12px}
h3{font-size:1.12rem;margin:0 0 6px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;position:relative;
  box-shadow:0 1px 2px rgba(16,42,32,.04);transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease}
.card:has(a.title):hover{transform:translateY(-3px);box-shadow:var(--shadow-lift);border-color:#bcd6c6}
.card a.title{font-weight:700;text-decoration:none;color:var(--ink);font-size:1.06rem}
.card a.title:hover{color:var(--brand)}
.card a.title::after{content:"";position:absolute;inset:0;border-radius:var(--radius)}
.card p{margin:6px 0 0;color:var(--muted);font-size:.93rem}
.card .ic{width:44px;height:44px;border-radius:12px;background:var(--brand-tint);display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.card .ic svg{width:25px;height:25px;stroke:var(--brand-dark)}
.card .go{margin-top:10px;font-weight:700;font-size:.9rem;color:var(--brand)}
.tag{display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;
  padding:2px 8px;border-radius:99px;background:#eef1ee;color:#54655b;vertical-align:middle}
.tag.planned{background:#fdf0d7;color:var(--accent-dark)}
.note{background:var(--soft);border:1px solid var(--line);border-radius:var(--radius);padding:14px 18px;color:var(--muted);font-size:.95rem}
.noresults{display:none;color:var(--muted);padding:10px 2px}

/* Breadcrumb */
.crumbs{font-size:.9rem;color:var(--muted);padding:16px 0 0}
.crumbs a{color:var(--muted)}

/* Tool page head */
.tool-head{display:flex;gap:16px;align-items:center;margin-top:8px}
.tool-head .tool-ic{flex:none;width:58px;height:58px;border-radius:16px;background:linear-gradient(135deg,var(--brand-tint),#d7ecdf);
  display:flex;align-items:center;justify-content:center;box-shadow:inset 0 0 0 1px #cfe5d7}
.tool-head .tool-ic svg{width:32px;height:32px;stroke:var(--brand-dark)}
.tool-head h1{margin:0;font-size:2rem;letter-spacing:-.02em;line-height:1.2}
.tool-head .tag{margin-top:4px}

/* Calculator */
.calc{background:#fff;border:1px solid var(--line);border-top:4px solid var(--brand);border-radius:var(--radius);
  padding:22px;margin:20px 0;box-shadow:var(--shadow)}
.calc .row{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px}
.calc label{font-weight:600;font-size:.92rem;display:block;margin-bottom:5px}
.calc input,.calc select{width:100%;padding:10px 12px;border:1.5px solid #c3ced6;border-radius:9px;font-size:1rem;background:#fff;color:var(--ink)}
.calc input:focus,.calc select:focus{outline:0;border-color:var(--brand);box-shadow:0 0 0 3px rgba(11,107,71,.18)}
.calc .seg{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap}
.calc .seg button{padding:8px 14px;border-radius:99px;border:1.5px solid var(--brand);background:#fff;color:var(--brand-dark);font-weight:700;cursor:pointer}
.calc .seg button:hover{background:var(--brand-tint)}
.calc .seg button[aria-pressed="true"]{background:var(--brand);color:#fff}
.results{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-top:18px}
.result{background:var(--soft);border:1px solid var(--line);border-left:5px solid var(--accent);border-radius:10px;padding:12px 14px}
.result .v{font-size:1.5rem;font-weight:800;letter-spacing:-.02em}
.result .k{font-size:.82rem;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.04em}
.results .result:first-child{background:var(--brand-tint);border-color:#bcd6c6;border-left-color:var(--brand)}
.results .result:first-child .v{font-size:1.9rem;color:var(--brand-dark)}

/* Tables & content */
table{border-collapse:collapse;width:100%;margin:12px 0;font-size:.96rem}
th,td{border:1px solid var(--line);padding:8px 11px;text-align:left}
th{background:var(--brand-tint);color:var(--brand-dark)}
tbody tr:nth-child(even) td{background:#fafcfb}
code,.formula{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.formula{background:var(--soft);border:1px solid var(--line);border-left:4px solid var(--brand);border-radius:8px;padding:10px 14px;display:block;margin:8px 0;overflow-x:auto}
.faq details{border:1px solid var(--line);border-radius:10px;padding:12px 16px;margin-bottom:10px;background:#fff;transition:border-color .15s ease}
.faq details:hover{border-color:#bcd6c6}
.faq details[open]{background:#fbfdfc}
.faq summary{font-weight:700;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:12px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"▾";color:var(--brand);font-weight:800;flex:none}
.faq details[open] summary::after{content:"▴"}
.disclaimer{font-size:.88rem;color:var(--muted);border-top:1px dashed var(--line);margin-top:26px;padding-top:14px}

/* Footer */
.site-footer{border-top:1px solid #1d3a2e;margin-top:40px;padding:30px 0 42px;background:linear-gradient(180deg,#12291f,#0d2018);color:#dce8e0}
.site-footer .cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px}
.site-footer strong{color:#fff}
.site-footer a{color:#cfe0d5;text-decoration:none}
.site-footer a:hover{color:#fff;text-decoration:underline}
.site-footer ul{list-style:none;margin:8px 0 0;padding:0}
.site-footer li{margin:4px 0}
.site-footer .cols p{color:#aec2b7 !important}
.site-footer .fine{color:#8fa89b;font-size:.85rem;margin-top:18px}
.site-footer .logo{color:#fff}
.site-footer .logo small{color:#8fa89b}
.site-footer .logo .logo-text span{color:#7fd6ab}

@media (max-width:560px){
  .hero{padding:38px 0 30px}
  .hero h1{font-size:1.8rem}
  body{font-size:16px}
  .tool-head h1{font-size:1.6rem}
  .tool-head .tool-ic{width:48px;height:48px;border-radius:13px}
  .results{grid-template-columns:1fr 1fr}
  .results .result:first-child{grid-column:1 / -1}
  .main-nav{gap:2px}
  .main-nav a{padding:6px 9px}
}