/* ===== Design tokens ===== */
:root{
  --bg: #F6F8F3;
  --card: #FFFFFF;
  --ink: #2B2E2A;
  --ink-soft: #5B6058;
  --teal: #2F6D62;
  --teal-dark: #234F47;
  --coral: #F2865E;
  --coral-dark: #DA6E45;
  --line: #E4E9DF;
  --shadow: 0 4px 20px rgba(43, 46, 42, 0.06);
  --shadow-hover: 0 8px 28px rgba(43, 46, 42, 0.10);
  --radius: 18px;
  --radius-sm: 12px;
  --max: 1080px;
}

@font-face{
  font-family:'Baloo 2';
  src: local('Baloo 2');
  font-display: swap;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
h1,h2,h3,.display{
  font-family: 'Baloo 2', 'Inter', system-ui, sans-serif;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.15;
  letter-spacing: -0.01em;
}
a{ color: var(--teal); text-decoration: none; }
a:hover{ color: var(--teal-dark); }
img{ max-width:100%; display:block; }

.wrap{
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Nav ===== */
.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 20px 0;
}
.nav .logo{
  font-family:'Baloo 2', sans-serif;
  font-weight:700;
  font-size: 1.4rem;
  color: var(--teal-dark);
  display:flex;
  align-items:center;
  gap:8px;
}
.nav .logo span{ color: var(--coral); }
.nav-links{
  display:flex;
  gap: 28px;
  list-style:none;
  margin:0; padding:0;
}
.nav-links a{
  color: var(--ink-soft);
  font-weight: 600;
  font-size: 0.95rem;
}
.nav-links a:hover{ color: var(--teal-dark); }

/* ===== Hero ===== */
.hero{
  text-align:center;
  padding: 56px 0 40px;
}
.hero h1{
  font-size: clamp(2rem, 5vw, 3.2rem);
  margin: 0 0 14px;
}
.hero p{
  color: var(--ink-soft);
  font-size: 1.15rem;
  max-width: 560px;
  margin: 0 auto;
}

/* ===== Tool grid ===== */
.grid{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 22px;
  margin: 36px 0 64px;
}
.tool-card{
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  transition: transform .18s ease, box-shadow .18s ease;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.tool-card:hover{
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.tool-card .icon{
  width:48px; height:48px;
  border-radius: 12px;
  background: var(--bg);
  display:flex; align-items:center; justify-content:center;
}
.tool-card h3{ font-size: 1.25rem; margin: 6px 0 0; }
.tool-card p{ color: var(--ink-soft); margin:0; font-size: 0.95rem; }
.tool-card .go{
  margin-top: auto;
  font-weight:700;
  color: var(--coral-dark);
  font-size: 0.9rem;
}

/* ===== Calculator page ===== */
.calc-shell{
  max-width: 620px;
  margin: 0 auto;
  padding: 40px 0 80px;
}
.calc-card{
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow);
}
.field{
  margin-bottom: 18px;
}
.field label{
  display:block;
  font-weight:600;
  font-size:0.9rem;
  color: var(--ink-soft);
  margin-bottom:6px;
}
.field input, .field select{
  width:100%;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--line);
  font-size: 1rem;
  font-family: inherit;
  color: var(--ink);
  background: var(--bg);
}
.field input:focus, .field select:focus{
  outline: none;
  border-color: var(--teal);
}
.btn{
  display:inline-block;
  background: var(--coral);
  color: #fff;
  border:none;
  font-weight:700;
  font-size:1rem;
  padding: 13px 26px;
  border-radius: 999px;
  cursor:pointer;
  transition: background .15s ease, transform .1s ease;
  width:100%;
}
.btn:hover{ background: var(--coral-dark); }
.btn:active{ transform: scale(0.98); }
.btn:focus-visible{ outline: 3px solid var(--teal); outline-offset: 2px; }

.result{
  margin-top: 28px;
  padding: 26px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  text-align:center;
  display:none;
}
.result.show{ display:block; }
.result .num{
  font-family:'Baloo 2', sans-serif;
  font-size: 3rem;
  font-weight:700;
  color: var(--teal-dark);
  font-variant-numeric: tabular-nums;
}
.result .label{
  color: var(--ink-soft);
  font-weight:600;
  margin-top:4px;
}
.result .takeaway{
  margin-top: 12px;
  font-size: 0.95rem;
  color: var(--ink);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
}
.copy-btn{
  margin-top: 16px;
  background: transparent;
  border: 1.5px solid var(--teal);
  color: var(--teal-dark);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 9px 18px;
  border-radius: 999px;
  cursor: pointer;
  width: auto;
}
.copy-btn:hover{ background: var(--teal); color: #fff; }

.share-btn{
  margin-top: 10px;
  margin-left: 10px;
  background: var(--coral);
  border: 1.5px solid var(--coral);
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
  padding: 9px 18px;
  border-radius: 999px;
  cursor: pointer;
  width: auto;
}
.share-btn:hover{ background: var(--coral-dark); border-color: var(--coral-dark); }

/* ===== Gauge (BMI visual scale) ===== */
.gauge{
  margin-top: 18px;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(to right, #7FB8A8 0%, #2F6D62 30%, #F2865E 60%, #DA6E45 100%);
  position: relative;
}
.gauge-marker{
  position: absolute;
  top: -6px;
  width: 4px;
  height: 22px;
  background: var(--ink);
  border-radius: 2px;
  transform: translateX(-2px);
  transition: left .5s ease;
}

/* ===== Ads ===== */
/* Renders only when includes/ad-slot.php actually outputs a real ad unit */
.ad-container{
  margin: 32px auto;
  max-width: var(--max);
  text-align:center;
}

/* ===== Related calculator callout (used in blog posts) ===== */
.related-tool{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  background: var(--card);
  border: 1.5px solid var(--teal);
  border-radius: var(--radius-sm);
  padding: 18px 22px;
  margin: 24px 0 32px;
}
.related-tool p{
  margin:0;
  font-weight:600;
  color: var(--ink);
}
.related-tool a.btn{
  width:auto;
  padding: 10px 22px;
  font-size:0.9rem;
  flex-shrink:0;
}

/* ===== Blog ===== */
.post-grid{
  display:grid;
  gap: 20px;
  margin: 32px 0 64px;
}
.post-card{
  background: var(--card);
  border:1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 28px;
  box-shadow: var(--shadow);
}
.post-card h3{ margin: 0 0 6px; font-size:1.2rem; }
.post-card .meta{ color: var(--ink-soft); font-size:0.85rem; margin-bottom:8px; }
article.post{
  max-width: 700px;
  margin: 0 auto;
  padding: 40px 0 80px;
}
article.post h1{ font-size: 2rem; margin-bottom: 6px; }
article.post .meta{ color: var(--ink-soft); font-size:0.9rem; margin-bottom: 28px; }
article.post h2{ font-size: 1.4rem; margin-top: 34px; }
article.post p{ margin: 14px 0; }
article.post ul{ padding-left: 20px; }

/* ===== FAQ accordion ===== */
.faq{
  max-width: 620px;
  margin: 40px auto 0;
}
.faq h2{
  font-size: 1.3rem;
  margin-bottom: 14px;
}
.faq details{
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 4px 20px;
  margin-bottom: 10px;
}
.faq summary{
  cursor: pointer;
  font-weight: 600;
  padding: 14px 0;
  list-style: none;
  position: relative;
  padding-right: 28px;
}
.faq summary::-webkit-details-marker{ display:none; }
.faq summary::after{
  content: "+";
  position: absolute;
  right: 0;
  top: 12px;
  font-size: 1.3rem;
  color: var(--coral);
  font-weight: 700;
}
.faq details[open] summary::after{ content: "−"; }
.faq details p{
  color: var(--ink-soft);
  margin: 0 0 16px;
  font-size: 0.95rem;
}
.faq details:focus-within{ border-color: var(--teal); }

/* ===== Related tools (cross-linking between calculators) ===== */
.related-tools{
  max-width: 620px;
  margin: 32px auto 0;
  text-align: center;
}
.related-tools .label-heading{
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ink-soft);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.related-tools-links{
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}
.related-tools-links a{
  background: var(--card);
  border: 1.5px solid var(--line);
  border-radius: 999px;
  padding: 9px 18px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--teal-dark);
}
.related-tools-links a:hover{
  border-color: var(--teal);
  background: var(--bg);
}

/* ===== Cookie consent banner ===== */
.cookie-banner{
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--card);
  border-top: 1.5px solid var(--line);
  box-shadow: 0 -4px 20px rgba(43,46,42,0.08);
  padding: 16px 24px;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.cookie-banner p{
  margin: 0;
  font-size: 0.85rem;
  color: var(--ink-soft);
  flex: 1;
  min-width: 240px;
}
.cookie-banner-actions{
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}
.cookie-banner .btn{
  width: auto;
  padding: 9px 20px;
  font-size: 0.85rem;
}
.cookie-banner .cookie-decline{
  background: transparent;
  border: 1.5px solid var(--line);
  color: var(--ink-soft);
}
.cookie-banner .cookie-decline:hover{ background: var(--bg); }

/* ===== Footer ===== */
footer{
  border-top: 1px solid var(--line);
  padding: 32px 0;
  color: var(--ink-soft);
  font-size: 0.85rem;
}
.footer-inner{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:12px;
  text-align:center;
}
.footer-links{
  display:flex;
  gap:22px;
  flex-wrap:wrap;
  justify-content:center;
}
.footer-links a{
  color: var(--ink-soft);
  font-weight:600;
}
.footer-links a:hover{ color: var(--teal-dark); }
.footer-copy{ color: var(--ink-soft); }

/* ===== Static content pages (About / Privacy) ===== */
.static-page{
  max-width: 700px;
  margin: 0 auto;
  padding: 40px 0 80px;
}
.static-page h1{ font-size: 2rem; margin-bottom: 6px; }
.static-page .meta{ color: var(--ink-soft); font-size:0.9rem; margin-bottom: 28px; }
.static-page h2{ font-size: 1.3rem; margin-top: 30px; }
.static-page p, .static-page li{ color: var(--ink); }
.static-page ul{ padding-left: 20px; }
.static-page a{ font-weight:600; }

@media (max-width: 640px){
  .nav-links{ gap: 16px; font-size: 0.85rem; }
  .calc-card{ padding: 24px; }
}