:root{
  --ink:#1a1d24;
  --paper:#faf9f6;
  --panel:#ffffff;
  --line:#e4e1d9;
  --muted:#6b6f76;
  --primary:#2b3a67;
  --primary-soft:#eef1fa;
  --amber:#d99a3d;
  --radius:10px;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
html{-webkit-text-size-adjust:100%;}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;
  background:var(--paper);
  color:var(--ink);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;}

/* ---------- Main header ---------- */
header{
  position:sticky;
  top:0;
  z-index:100;
  isolation:isolate;
  background:rgba(250,249,246,0.86);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-row{
  max-width:1280px;
  margin:0 auto;
  padding:0 24px;
  display:flex;
  align-items:center;
  height:56px;
  gap:8px;
}
.brand{
  display:flex;
  align-items:center;
  gap:8px;
  font-weight:700;
  font-size:17px;
  letter-spacing:-0.01em;
  color:var(--ink);
  text-decoration:none;
  margin-right:12px;
  white-space:nowrap;
}
.brand-mark{
  width:22px;height:22px;border-radius:6px;
  display:inline-block;
  object-fit:contain;
  flex-shrink:0;
}

nav.primary{
  flex:1;
  display:flex;
  height:100%;
  min-width:0;
}
nav.primary ul{
  list-style:none;
  display:flex;
  margin:0;padding:0;
  height:100%;
}
nav.primary > ul > li{
  height:100%;
}
nav.primary > ul > li > button{
  all:unset;
  display:flex;
  align-items:center;
  height:100%;
  padding:0 15px;
  font-size:13.5px;
  color:var(--ink);
  cursor:pointer;
  white-space:nowrap;
  border-bottom:2px solid transparent;
}
nav.primary > ul > li > button:hover,
nav.primary > ul > li.open > button{
  color:var(--primary);
  border-bottom-color:var(--primary);
}

.nav-tools{
  display:flex;
  align-items:center;
  gap:14px;
  margin-left:auto;
  flex-shrink:0;
}
.icon-btn{
  all:unset;
  cursor:pointer;
  color:var(--ink);
  display:flex;
  align-items:center;
  justify-content:center;
  gap:6px;
  border:2px solid var(--primary);
  border-radius:6px;
  padding:6px 10px;
}
.icon-btn:hover{background:var(--primary-soft);}
.icon-btn svg{width:17px;height:17px;flex-shrink:0;}
.icon-btn .icon-menu{width:25px;height:16px;}
.icon-btn .icon-close{display:none;}
body.sidebar-open .icon-btn .icon-menu{display:none;}
body.sidebar-open .icon-btn .icon-close{display:flex;}

/* ---------- Sidebar (full-screen mobile-style menu) ---------- */
.sidebar-overlay{
  position:fixed;
  inset:0;
  background:rgba(20,20,30,.35);
  opacity:0;
  visibility:hidden;
  transition:opacity .25s ease, visibility .25s;
  z-index:200;
}
.sidebar-overlay.open{
  opacity:1;
  visibility:visible;
}
.sidebar-panel{
  position:fixed;
  inset:0;
  width:100%;
  height:100dvh;
  background:var(--panel);
  transform:translateX(100%);
  transition:transform .3s ease;
  overflow:hidden;
}
.sidebar-overlay.open .sidebar-panel{
  transform:translateX(0);
}

.sidebar-screen{
  position:absolute;
  inset:0;
  overflow-y:auto;
  background:var(--panel);
  padding-bottom:40px;
  transition:transform .28s ease;
}
.sidebar-screen-main{
  transform:translateX(0);
}
.sidebar-panel.showing-sub .sidebar-screen-main{
  transform:translateX(-100%);
}
.sidebar-screen-sub{
  transform:translateX(100%);
  visibility:hidden;
}
.sidebar-screen-sub.active{
  transform:translateX(0);
  visibility:visible;
}

.sidebar-top{
  display:flex;
  align-items:center;
  padding:18px 20px 0;
}
.sidebar-top-main{
  justify-content:flex-end;
}
.sidebar-top-right{
  display:flex;
  align-items:center;
  gap:16px;
}
.sidebar-brand{
  font-weight:800;
  font-size:16px;
  letter-spacing:-0.01em;
  color:var(--ink);
}
.sidebar-top-sub{
  justify-content:space-between;
}
.sidebar-back{
  all:unset;
  cursor:pointer;
  width:26px;
  height:26px;
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--ink);
}
.sidebar-back svg{width:22px;height:22px;}
.sidebar-close{
  all:unset;
  cursor:pointer;
  width:26px;
  height:26px;
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--ink);
}
.sidebar-close svg{width:20px;height:20px;}
.sidebar-search{
  display:flex;
  margin:16px 20px 8px;
  border:2px solid var(--ink);
}
.sidebar-search input{
  flex:1;
  min-width:0;
  border:none;
  outline:none;
  padding:10px 12px;
  font-size:16px; /* 16px prevents iOS auto-zoom on focus */
  font-family:inherit;
  background:var(--panel);
  color:var(--ink);
}
.sidebar-search button{
  all:unset;
  cursor:pointer;
  background:var(--ink);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:0 16px;
}
.sidebar-search button svg{width:16px;height:16px;}
.sidebar-section-title{
  margin:18px 20px 4px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.02em;
  color:var(--muted);
  text-transform:uppercase;
}
.sidebar-nav{
  list-style:none;
  margin:0;
  padding:0 20px;
}
.sidebar-nav li{
  border-bottom:1px solid var(--line);
}
.sidebar-nav a{
  display:block;
  padding:14px 0;
  font-size:16px;
  font-weight:700;
  color:var(--ink);
  text-decoration:none;
}
.sidebar-nav a:hover{color:var(--primary);}

/* Screen 1 list of top-level sections */
.sidebar-primary-nav{
  display:none; /* shown only on phone/tablet where nav.primary is hidden — see breakpoint below */
  list-style:none;
  margin:20px 0 0;
  padding:0 20px;
}
.sidebar-primary-btn{
  all:unset;
  display:flex;
  align-items:center;
  justify-content:space-between;
  width:100%;
  padding:16px 0;
  font-size:22px;
  font-weight:700;
  color:var(--ink);
  cursor:pointer;
  border-bottom:1px solid var(--line);
}
.sidebar-primary-btn .chevron{
  width:18px;
  height:18px;
  color:var(--muted);
  flex-shrink:0;
}

/* Screen 2: a single top item's links */
.sidebar-sub-title{
  font-size:24px;
  font-weight:800;
  padding:20px 20px 4px;
}
.sidebar-sub-col{padding:14px 20px 0;}
.sidebar-sub-col h5{
  margin:0 0 6px;
  font-size:11px;
  text-transform:uppercase;
  letter-spacing:.03em;
  color:var(--muted);
  font-weight:700;
}
.sidebar-sub-col h5 a{color:inherit;text-decoration:none;}
.sidebar-sub-col h5 a:hover{color:var(--primary);}
.sidebar-sub-col ul{list-style:none;margin:0;padding:0;}
.sidebar-sub-col li{border-bottom:1px solid var(--line);}
.sidebar-sub-col a{
  display:block;
  padding:12px 0;
  font-size:16px;
  color:var(--ink);
  text-decoration:none;
}
.sidebar-sub-col a:hover{color:var(--primary);}
.sidebar-sub-cta{
  display:block;
  margin:16px 20px 0;
  font-size:14px;
  font-weight:600;
  color:var(--primary);
  text-decoration:none;
}

/* ---------- Mega menu ---------- */
.mega{
  position:absolute;
  top:100%;
  left:0;
  right:0;
  background:var(--panel);
  border-bottom:1px solid var(--line);
  box-shadow:0 18px 40px -18px rgba(20,20,30,.18);
  opacity:0;
  visibility:hidden;
  transform:translateY(-10px);
  transition:opacity .2s ease, transform .2s ease, visibility .2s;
  max-height:80vh;
  overflow-y:auto;
}
li.open .mega{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}

.mega-inner{
  max-width:1280px;
  margin:0 auto;
  padding:34px 24px 40px;
  display:grid;
  grid-template-columns:1.1fr 1.6fr;
  gap:40px;
}
.mega-intro h3{
  margin:0 0 8px;
  font-size:22px;
  letter-spacing:-0.01em;
}
.mega-intro p{
  margin:0 0 18px;
  color:var(--muted);
  font-size:13.5px;
  line-height:1.55;
  max-width:32ch;
}
.mega-intro a.cta{
  font-size:13px;
  font-weight:600;
  color:var(--primary);
  text-decoration:none;
}
.mega-intro a.cta:hover{text-decoration:underline;}

.mega-cols{
  display:grid;
  grid-template-columns:repeat(3, minmax(150px, 1fr));
  gap:28px 20px;
}
.mega-col h4{
  margin:0 0 10px;
  font-size:11.5px;
  color:var(--muted);
  font-weight:600;
}
.mega-col h4 a{color:inherit;text-decoration:none;}
.mega-col h4 a:hover{color:var(--primary);}
.mega-col ul{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-direction:column;
  gap:9px;
}
.mega-col li{
  margin:0;
}
.mega-col a{
  color:var(--ink);
  text-decoration:none;
  font-size:14px;
  display:block;
  width:100%;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.mega-col a:hover{color:var(--primary);}

/* ---------- Hero placeholder so page isn't empty ---------- */
.hero{
  max-width:1280px;
  margin:0 auto;
  padding:90px 24px 120px;
  text-align:left;
}
.hero h1{
  font-size:44px;
  line-height:1.1;
  letter-spacing:-0.02em;
  margin:0 0 16px;
  max-width:18ch;
}
.hero p{
  color:var(--muted);
  font-size:16px;
  max-width:52ch;
  line-height:1.6;
}

/* ---------- Article grids ---------- */
.articles-section{
  max-width:1280px;
  margin:0 auto;
  padding:0 24px 80px;
  display:flex;
  flex-direction:column;
  gap:56px;
}

.article-grid-2{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
}
.article-grid-3{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:32px;
}

.article-card{
  text-decoration:none;
  color:var(--ink);
  display:block;
  border-radius:20px;
  padding:14px;
  margin:-14px;
  transition:box-shadow .25s ease, transform .25s ease, background .25s ease;
}
.article-card:hover{
  background:var(--panel);
  box-shadow:0 24px 50px -22px rgba(20,20,30,.28);
  transform:translateY(-4px);
}
.article-card .thumb{
  width:100%;
  aspect-ratio:16/10;
  border-radius:16px;
  background:linear-gradient(135deg,var(--primary-soft),#dfe4f2);
  object-fit:cover;
  display:block;
  margin-bottom:20px;
}
.article-card h2{
  font-size:28px;
  line-height:1.15;
  letter-spacing:-0.01em;
  margin:0 0 12px;
  font-weight:800;
}
.article-grid-3 .article-card h2{
  font-size:21px;
}
.article-card time{
  display:block;
  color:var(--muted);
  font-size:13.5px;
  margin-bottom:10px;
}
.article-card p{
  color:#4b4f57;
  font-size:15px;
  line-height:1.6;
  margin:0;
}
.article-card:hover h2{color:var(--primary);}

/* Big featured card */
.featured-article{
  position:relative;
  border-radius:20px;
  overflow:hidden;
  min-height:420px;
  display:flex;
  align-items:flex-end;
  text-decoration:none;
  background:linear-gradient(135deg,#3a2c17,#1a1d24);
  border:3px solid transparent;
  transition:border-color .2s ease;
}
.featured-article:hover{
  border-color:var(--amber);
}
.featured-article img.thumb{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  z-index:0;
}
.featured-article::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg, rgba(15,12,8,.15) 0%, rgba(15,12,8,.85) 55%, rgba(15,12,8,.95) 100%);
  z-index:1;
}
.featured-article .featured-content{
  position:relative;
  z-index:2;
  padding:48px;
  max-width:640px;
  margin-left:auto;
}
.featured-article h2{
  color:#fff;
  font-size:38px;
  line-height:1.12;
  letter-spacing:-0.01em;
  margin:0 0 16px;
  font-weight:800;
}
.featured-article time{
  display:block;
  color:rgba(255,255,255,.75);
  font-size:13.5px;
  margin-bottom:12px;
}
.featured-article p{
  color:rgba(255,255,255,.88);
  font-size:15.5px;
  line-height:1.6;
  margin:0;
}

/* ---------- Single post page ---------- */
.post-page{
  max-width:760px;
  margin:0 auto;
  padding:60px 24px 100px;
}
.post-page .post-thumb{
  width:100%;
  border-radius:16px;
  aspect-ratio:16/9;
  object-fit:cover;
  margin-bottom:32px;
}
.post-page h1{
  font-size:38px;
  line-height:1.15;
  letter-spacing:-0.01em;
  margin:0 0 12px;
}
.post-page time{
  display:block;
  color:var(--muted);
  font-size:13.5px;
  margin-bottom:32px;
}
.post-page .post-body{
  font-size:17px;
  line-height:1.75;
  color:#33363d;
}
.post-page .post-body p{margin:0 0 20px;}
.post-page .post-body img{border-radius:12px;height:auto;display:block;}
.post-page .post-body strong{color:var(--ink);}
.post-page .post-body em{color:var(--muted);}
.post-page .post-body small{font-size:0.85em;color:var(--muted);}
.post-page .post-body mark{background:#fbe8b8;color:var(--ink);padding:0 3px;border-radius:3px;}
.post-page .post-body sup, .post-page .post-body sub{font-size:0.72em;}

.post-page .post-body a{
  color:var(--primary);
  text-decoration:underline;
  text-decoration-color:var(--line);
  text-underline-offset:2px;
}
.post-page .post-body a:hover{text-decoration-color:currentColor;}

.post-page .post-body h1{
  font-size:32px;
  line-height:1.2;
  letter-spacing:-0.01em;
  color:var(--ink);
  font-weight:800;
  margin:44px 0 18px;
}
.post-page .post-body h2{
  font-size:26px;
  line-height:1.25;
  letter-spacing:-0.01em;
  color:var(--ink);
  font-weight:800;
  margin:40px 0 16px;
}
.post-page .post-body h3{
  font-size:20px;
  line-height:1.3;
  color:var(--ink);
  font-weight:700;
  margin:32px 0 14px;
}
.post-page .post-body h4,
.post-page .post-body h5,
.post-page .post-body h6{
  font-size:17px;
  line-height:1.4;
  color:var(--ink);
  font-weight:700;
  margin:26px 0 12px;
}
.post-page .post-body > *:first-child{margin-top:0;}

.post-page .post-body hr{
  border:none;
  border-top:1px solid var(--line);
  margin:36px 0;
}

.post-page .post-body ul,
.post-page .post-body ol{
  margin:0 0 20px;
  padding-left:22px;
}
.post-page .post-body li{margin-bottom:10px;}
.post-page .post-body li:last-child{margin-bottom:0;}
.post-page .post-body li > ul,
.post-page .post-body li > ol{margin:10px 0 0;}

.post-page .post-body dl{margin:0 0 20px;}
.post-page .post-body dt{font-weight:700;color:var(--ink);}
.post-page .post-body dd{margin:0 0 12px;color:#33363d;}

.post-page .post-body code{
  font-family:ui-monospace,SFMono-Regular,Consolas,"Liberation Mono",monospace;
  font-size:0.88em;
  background:#f4f2ec;
  color:var(--ink);
  padding:2px 6px;
  border-radius:5px;
}
.post-page .post-body pre{
  background:#1e2027;
  color:#e8e6df;
  padding:18px 20px;
  border-radius:10px;
  overflow-x:auto;
  margin:0 0 24px;
  font-size:14px;
  line-height:1.6;
}
.post-page .post-body pre code{
  background:none;
  color:inherit;
  padding:0;
  font-size:1em;
}

.post-page .post-body iframe,
.post-page .post-body video{
  max-width:100%;
  border:none;
  border-radius:10px;
  display:block;
  margin:0 0 24px;
}
.post-page .post-body .embed-responsive{
  position:relative;
  width:100%;
  aspect-ratio:16/9;
  margin:0 0 24px;
  border-radius:10px;
  overflow:hidden;
}
.post-page .post-body .embed-responsive iframe{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  margin:0;
  border-radius:0;
}

.post-page .post-body blockquote{
  margin:24px 0;
  padding:14px 20px;
  border-left:3px solid var(--primary);
  background:var(--primary-soft);
  color:var(--ink);
  font-size:16px;
}

.post-page .post-body figure{margin:32px 0;}
.post-page .post-body figcaption{
  font-size:12.5px;
  color:var(--muted);
  margin-top:8px;
  text-transform:uppercase;
  letter-spacing:.04em;
}

.post-page .post-body table{
  max-width:100%;
  display:block;
  overflow-x:auto;
  border-collapse:collapse;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:10px;
  margin:0 0 24px;
  font-size:14.5px;
}
.post-page .post-body thead th{
  background:#f4f2ec;
  text-transform:uppercase;
  letter-spacing:.02em;
  font-size:12px;
  font-weight:700;
  color:var(--muted);
  text-align:left;
  padding:12px 16px;
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.post-page .post-body tbody td{
  padding:12px 16px;
  border-bottom:1px solid var(--line);
  vertical-align:top;
}
.post-page .post-body tbody tr:last-child td{border-bottom:none;}
.post-page .post-body tbody tr:nth-child(even){background:#faf9f6;}
.post-page .post-body tbody td:first-child{font-weight:600;color:var(--ink);}
.post-page .back-link{
  display:inline-block;
  margin-bottom:24px;
  font-size:13.5px;
  color:var(--primary);
  text-decoration:none;
  font-weight:600;
}
.post-page .back-link:hover{text-decoration:underline;}

/* =========================================================
   Tablet / small-laptop breakpoint
   ========================================================= */
@media (max-width:900px){
  .article-grid-2, .article-grid-3{
    grid-template-columns:1fr;
  }
  .featured-article{
    align-items:stretch;
    min-height:auto;
  }
  .featured-article .featured-content{
    margin-left:0;
    max-width:none;
    padding:32px 24px;
  }
  .featured-article h2{font-size:28px;}

  /* No more horizontal-scrolling nav bar on smaller screens —
     the same sections are reachable via the hamburger/search button. */
  nav.primary{display:none;}

  /* On phone/tablet the mega menu isn't reachable, so the sidebar
     needs to carry the header sections again, on top of Audience. */
  .sidebar-primary-nav{display:block;}
}

/* =========================================================
   Phone breakpoint
   ========================================================= */
@media (max-width:640px){
  .nav-row{
    padding:0 16px;
    height:52px;
    gap:6px;
  }
  .brand{
    font-size:15px;
    margin-right:6px;
  }
  .brand-mark{width:20px;height:20px;}

  nav.primary > ul > li > button{
    padding:0 11px;
    font-size:13px;
  }

  .icon-btn{padding:8px;}
  .icon-btn .hamburger-lines span{width:15px;}

  .mega-inner{padding:24px 16px 28px;gap:24px;}
  .mega-intro p{max-width:none;}
  .mega-cols{grid-template-columns:1fr 1fr;gap:22px 16px;}

  .hero{padding:48px 16px 64px;}
  .hero h1{font-size:30px;max-width:none;}
  .hero p{font-size:15px;}

  .articles-section{padding:0 16px 56px;gap:40px;}
  .article-card{padding:10px;margin:-10px;}
  .article-card:hover{transform:none;} /* avoid layout shift on touch */
  .article-card h2{font-size:22px;}
  .article-grid-3 .article-card h2{font-size:19px;}
  .article-card p{font-size:14px;}

  .featured-article{border-radius:14px;}
  .featured-article .featured-content{padding:24px 16px;}
  .featured-article h2{font-size:24px;}
  .featured-article p{font-size:14.5px;}

  .post-page{padding:32px 16px 64px;}
  .post-page h1{font-size:27px;}
  .post-page .post-body{font-size:16px;line-height:1.7;}
  .post-page .post-body h1{font-size:26px;margin:32px 0 14px;}
  .post-page .post-body h2{font-size:22px;margin:32px 0 12px;}
  .post-page .post-body h3{font-size:18px;margin:26px 0 10px;}
  .post-page .post-body h4, .post-page .post-body h5, .post-page .post-body h6{font-size:16px;margin:22px 0 10px;}
  .post-page .post-body thead th, .post-page .post-body tbody td{padding:10px 12px;font-size:13.5px;}
  .post-page .post-body pre{padding:14px 16px;font-size:13px;}
}

/* =========================================================
   Very small phones
   ========================================================= */
@media (max-width:380px){
  .brand{font-size:14px;}
  nav.primary > ul > li > button{padding:0 8px;font-size:12.5px;}
  .mega-cols{grid-template-columns:1fr;}
  .hero h1{font-size:26px;}
  .article-card h2{font-size:20px;}
}

/* =========================================================
   Tools & Calculators (/tools/*.php)
   ========================================================= */
.tool-page{max-width:900px;margin:0 auto;padding:48px 24px 100px;}
.tool-page .back-link{display:inline-block;margin-bottom:20px;font-size:13.5px;color:var(--primary);text-decoration:none;font-weight:600;}
.tool-page .back-link:hover{text-decoration:underline;}
.tool-kicker{display:inline-block;font-size:11.5px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--primary);
  background:var(--primary-soft);padding:4px 12px;border-radius:20px;margin-bottom:14px;}
.tool-hero h1{font-size:32px;line-height:1.2;letter-spacing:-0.01em;margin:0 0 10px;}
.tool-hero p{color:var(--muted);font-size:16px;line-height:1.6;max-width:60ch;margin:0 0 36px;}

.calc-layout{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start;}
.calc-card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:28px;}
.calc-card h2{font-size:15px;margin:0 0 20px;text-transform:uppercase;letter-spacing:.03em;color:var(--muted);}
.calc-field{margin-bottom:20px;}
.calc-field:last-child{margin-bottom:0;}
.calc-field label{display:flex;justify-content:space-between;align-items:baseline;font-size:13.5px;font-weight:600;color:var(--ink);margin-bottom:8px;gap:10px;}
.calc-field label .calc-field-value{font-family:ui-monospace,Consolas,monospace;color:var(--primary);font-weight:700;white-space:nowrap;}
.calc-field input[type=range]{width:100%;accent-color:var(--primary);display:block;}
.calc-field input[type=number],.calc-field input[type=text],.calc-field select{
  width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font-size:14px;font-family:inherit;background:var(--panel);color:var(--ink);}
.calc-field .calc-hint{font-size:12px;color:var(--muted);margin-top:6px;}
.calc-toggle-row{display:flex;gap:8px;margin-bottom:20px;}
.calc-toggle-row button{flex:1;padding:9px;border:1px solid var(--line);border-radius:8px;background:var(--panel);font-size:13px;
  font-weight:600;color:var(--muted);cursor:pointer;font-family:inherit;}
.calc-toggle-row button.active{background:var(--primary);border-color:var(--primary);color:#fff;}

.calc-results{position:sticky;top:24px;}
.calc-result-headline{background:linear-gradient(135deg,var(--primary),var(--ink));color:#fff;border-radius:16px;padding:26px 28px;margin-bottom:16px;}
.calc-result-headline .label{font-size:12px;text-transform:uppercase;letter-spacing:.04em;opacity:.75;margin:0 0 6px;}
.calc-result-headline .value{font-size:32px;font-weight:800;font-family:ui-monospace,Consolas,monospace;letter-spacing:-0.01em;}
.calc-stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:16px;}
.calc-stat{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:15px 16px;}
.calc-stat .label{font-size:11.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.03em;margin:0 0 6px;}
.calc-stat .value{font-size:18px;font-weight:800;font-family:ui-monospace,Consolas,monospace;color:var(--ink);}
.calc-stat .value.positive{color:#2c7a3d;}
.calc-stat .value.negative{color:#a33;}

.calc-table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:var(--panel);margin-bottom:16px;}
.calc-table{width:100%;border-collapse:collapse;font-size:13px;}
.calc-table th{background:#f4f2ec;text-align:left;padding:10px 14px;font-size:11px;text-transform:uppercase;letter-spacing:.02em;color:var(--muted);white-space:nowrap;}
.calc-table td{padding:9px 14px;border-top:1px solid var(--line);font-family:ui-monospace,Consolas,monospace;white-space:nowrap;}
.calc-table tbody tr:nth-child(even){background:#faf9f6;}

.calc-note{font-size:12.5px;color:var(--muted);line-height:1.6;background:#f4f2ec;border-radius:10px;padding:14px 16px;}

.tool-related{margin-top:56px;padding-top:32px;border-top:1px solid var(--line);}
.tool-related h2{font-size:18px;margin:0 0 16px;}
.tool-related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px;}
.tool-related-grid a{display:block;padding:14px 16px;border:1px solid var(--line);border-radius:10px;text-decoration:none;
  color:var(--ink);font-size:13.5px;font-weight:600;background:var(--panel);}
.tool-related-grid a:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft);}

.tool-index-group{margin-bottom:40px;}
.tool-index-group h2{font-size:13px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin:0 0 14px;}
.tool-index-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px;}
.tool-index-card{display:block;padding:18px 20px;border:1px solid var(--line);border-radius:12px;text-decoration:none;background:var(--panel);}
.tool-index-card:hover{border-color:var(--primary);box-shadow:0 14px 30px -18px rgba(20,20,30,.25);}
.tool-index-card .name{font-size:15px;font-weight:700;color:var(--ink);margin:0 0 4px;}
.tool-index-card .desc{font-size:12.5px;color:var(--muted);line-height:1.5;}

@media (max-width:760px){
  .calc-layout{grid-template-columns:1fr;}
  .calc-results{position:static;}
  .tool-hero h1{font-size:26px;}
  .calc-result-headline .value{font-size:26px;}
}