/* Kivawell Tools — calculator and resource hub */
:root {
  --tool-navy: #07111f;
  --tool-mint: #20d29a;
  --tool-violet: #7c6cf2;
  --tool-sky: #63b7ff;
  --tool-coral: #ff8c79;
}

body.tools-page { background: #fbfcff; }
.tools-page .header { background: rgba(251,252,255,.78); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); }
.tools-page .header-side { min-width: 0; }

.tools-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 142px 0 72px;
  background:
    radial-gradient(circle at 10% 5%, rgba(32,210,154,.18), transparent 34%),
    radial-gradient(circle at 88% 12%, rgba(124,108,242,.17), transparent 34%),
    linear-gradient(180deg, #fff 0%, #f7f9ff 100%);
}
.tools-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  width: 520px;
  height: 520px;
  right: -260px;
  bottom: -360px;
  border: 1px solid rgba(124,108,242,.16);
  border-radius: 50%;
  box-shadow: 0 0 0 70px rgba(124,108,242,.025), 0 0 0 140px rgba(32,210,154,.025);
}
.tools-hero-grid { display: grid; align-items: end; gap: 34px; }
.tools-hero h1 { max-width: 850px; font-size: clamp(42px, 8vw, 74px); letter-spacing: -.055em; }
.tools-hero .lead { max-width: 700px; margin-top: 22px; color: var(--muted); font-size: clamp(17px, 2vw, 20px); line-height: 1.65; }
.trust-strip { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 28px; }
.trust-pill { display: inline-flex; align-items: center; gap: 7px; padding: 9px 13px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,.78); color: var(--ink-2); font-size: 13px; font-weight: 650; box-shadow: var(--shadow-sm); }
.trust-pill i { width: 7px; height: 7px; border-radius: 50%; background: var(--tool-mint); box-shadow: 0 0 0 4px rgba(32,210,154,.12); }

.tool-search { position: relative; max-width: 600px; margin-top: 30px; }
.tool-search input { width: 100%; min-height: 58px; padding: 0 54px 0 20px; border: 1px solid rgba(11,16,32,.12); border-radius: 18px; background: #fff; color: var(--ink); font: 500 16px/1 Inter, sans-serif; box-shadow: 0 18px 40px -28px rgba(11,16,32,.5); outline: none; }
.tool-search input:focus { border-color: rgba(23,192,138,.7); box-shadow: 0 0 0 4px rgba(23,192,138,.12), 0 18px 40px -28px rgba(11,16,32,.5); }
.tool-search svg { position: absolute; right: 19px; top: 50%; width: 21px; transform: translateY(-50%); color: var(--muted); }

.tools-section { padding: 62px 0 88px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 28px; }
.section-heading h2 { font-size: clamp(30px, 5vw, 44px); }
.section-heading p { max-width: 46ch; color: var(--muted); }
.tool-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
@media (min-width: 680px) { .tool-grid { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (min-width: 1040px) { .tool-grid { grid-template-columns: repeat(3, minmax(0,1fr)); } }
.tool-card {
  position: relative;
  display: flex;
  min-height: 244px;
  flex-direction: column;
  padding: 24px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: #fff;
  box-shadow: 0 16px 36px -32px rgba(11,16,32,.6);
  transition: transform .28s cubic-bezier(.2,.7,.3,1), box-shadow .28s, border-color .28s;
}
.tool-card:hover { transform: translateY(-5px); border-color: rgba(23,192,138,.3); box-shadow: 0 26px 54px -34px rgba(11,16,32,.55); }
.tool-card::after { content: ""; position: absolute; width: 170px; height: 170px; right: -75px; bottom: -95px; border-radius: 50%; background: var(--card-glow, rgba(32,210,154,.12)); }
.tool-icon { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 15px; background: var(--card-soft, #ecfbf6); color: var(--card-color, #0c9067); font: 800 20px/1 'Bricolage Grotesque', sans-serif; }
.tool-card h3 { margin-top: 25px; font-size: 22px; line-height: 1.12; }
.tool-card p { margin-top: 10px; color: var(--muted); font-size: 14.5px; line-height: 1.55; }
.tool-link { display: flex; align-items: center; gap: 7px; margin-top: auto; padding-top: 20px; color: var(--green-ink); font-size: 14px; font-weight: 750; }
.tool-link span { transition: transform .2s; }
.tool-card:hover .tool-link span { transform: translateX(4px); }
.category-nav { padding: 70px 0 20px; background: #fff; }
.category-nav__grid { display: grid; gap: 16px; }
.category-nav__grid a { position: relative; overflow: hidden; min-height: 250px; padding: 28px; border: 1px solid var(--line); border-radius: 26px; background: linear-gradient(145deg,#fff,#f7f8ff); color: var(--ink); box-shadow: 0 12px 34px rgba(11,16,32,.05); transition: .22s ease; }
.category-nav__grid a:after { content: ''; position: absolute; width: 160px; height: 160px; right: -60px; top: -70px; border-radius: 50%; background: rgba(103,88,220,.08); }
.category-nav__grid a:hover { transform: translateY(-4px); border-color: rgba(103,88,220,.34); box-shadow: 0 20px 44px rgba(11,16,32,.09); }
.category-nav__grid span { color: var(--brand); font-size: 12px; font-weight: 850; letter-spacing: .12em; }
.category-nav__grid h3 { max-width: 320px; margin-top: 28px; font-size: 26px; }
.category-nav__grid p { margin-top: 10px; color: var(--muted); font-size: 14px; line-height: 1.6; }
.category-nav__grid b { display: block; margin-top: 22px; color: var(--green-ink); font-size: 13px; }
@media (min-width: 820px) { .category-nav__grid { grid-template-columns: repeat(3,minmax(0,1fr)); } }
.tool-card[hidden] { display: none; }
.empty-tools { display: none; padding: 32px; text-align: center; color: var(--muted); border: 1px dashed rgba(11,16,32,.18); border-radius: 24px; }
.empty-tools.show { display: block; }

.tool-breadcrumb { padding-top: 116px; }
.calculator-hero { padding: 24px 0 54px; }
.calculator-hero-grid { display: grid; gap: 38px; align-items: start; }
@media (min-width: 980px) { .calculator-hero-grid { grid-template-columns: minmax(0,.88fr) minmax(460px,1.12fr); gap: 60px; } }
.calculator-copy { padding-top: 28px; }
.calculator-copy h1 { margin-top: 16px; font-size: clamp(39px, 6vw, 66px); letter-spacing: -.05em; }
.calculator-copy .lead { margin-top: 18px; color: var(--muted); font-size: clamp(16.5px, 2vw, 19px); line-height: 1.65; }
.privacy-line { display: flex; align-items: flex-start; gap: 9px; margin-top: 22px; color: var(--muted); font-size: 13px; }
.privacy-line svg { width: 17px; flex: none; margin-top: 1px; color: var(--green-ink); }

.calculator-card { border: 1px solid rgba(11,16,32,.08); border-radius: 30px; background: rgba(255,255,255,.94); box-shadow: 0 34px 80px -48px rgba(11,16,32,.65); overflow: hidden; }
.calc-top { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px 22px 16px; border-bottom: 1px solid var(--line); }
.calc-top strong { font-family: 'Bricolage Grotesque', sans-serif; font-size: 18px; letter-spacing: -.025em; }
.unit-toggle { display: inline-flex; padding: 3px; border-radius: 999px; background: #eef1f7; }
.unit-toggle button { border: 0; border-radius: 999px; padding: 7px 11px; background: transparent; color: var(--muted); font: 700 12px/1 Inter, sans-serif; cursor: pointer; }
.unit-toggle button.on { background: #fff; color: var(--ink); box-shadow: 0 2px 8px rgba(11,16,32,.09); }
.calc-form { padding: 22px; }
.field-grid { display: grid; grid-template-columns: 1fr; gap: 15px; }
@media (min-width: 560px) { .field-grid { grid-template-columns: repeat(2, minmax(0,1fr)); } }
.field.full { grid-column: 1 / -1; }
.field label { display: block; margin-bottom: 7px; color: var(--ink-2); font-size: 13px; font-weight: 700; }
.field .input-wrap { position: relative; }
.field input, .field select { width: 100%; min-height: 50px; border: 1px solid rgba(11,16,32,.13); border-radius: 13px; background: #fff; padding: 0 45px 0 14px; color: var(--ink); font: 550 15px/1.2 Inter, sans-serif; outline: none; transition: border-color .2s, box-shadow .2s; }
.field select { padding-right: 36px; }
.field input:focus, .field select:focus { border-color: rgba(23,192,138,.72); box-shadow: 0 0 0 4px rgba(23,192,138,.1); }
.field input[aria-invalid="true"] { border-color: #dc5a5a; box-shadow: 0 0 0 4px rgba(220,90,90,.1); }
.field .unit { position: absolute; top: 50%; right: 14px; transform: translateY(-50%); color: var(--muted-2); font-size: 12.5px; pointer-events: none; }
.field small { display: block; margin-top: 6px; color: var(--muted-2); font-size: 11.5px; line-height: 1.4; }
.calc-submit { width: 100%; margin-top: 18px; min-height: 54px; border: 0; border-radius: 15px; color: #fff; background: linear-gradient(110deg, #0c9f75, #198db6 54%, #6d60df); font: 750 15px/1 Inter, sans-serif; box-shadow: 0 17px 30px -18px rgba(25,141,182,.85); cursor: pointer; transition: transform .18s, box-shadow .2s; }
.calc-submit:hover { transform: translateY(-2px); box-shadow: 0 22px 38px -19px rgba(25,141,182,.9); }
.calc-error { min-height: 18px; margin-top: 10px; color: #b43e3e; font-size: 12.5px; }
.calc-results { display: none; padding: 22px; border-top: 1px solid var(--line); background: linear-gradient(145deg, #f1fbf7, #f5f5ff); }
.calc-results.show { display: block; animation: resultIn .35s ease both; }
@keyframes resultIn { from { opacity: 0; transform: translateY(7px); } }
.result-kicker { color: var(--green-ink); font-size: 11px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.result-main { margin-top: 5px; font-family: 'Bricolage Grotesque', sans-serif; font-size: clamp(34px, 7vw, 52px); font-weight: 800; letter-spacing: -.05em; line-height: 1; }
.result-summary { margin-top: 10px; max-width: 58ch; color: var(--muted); font-size: 14px; line-height: 1.55; }
.result-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 9px; margin-top: 17px; }
.result-stat { padding: 13px; border: 1px solid rgba(11,16,32,.07); border-radius: 14px; background: rgba(255,255,255,.74); }
.result-stat b { display: block; font-family: 'Bricolage Grotesque', sans-serif; font-size: 20px; letter-spacing: -.03em; }
.result-stat span { display: block; margin-top: 3px; color: var(--muted); font-size: 11.5px; }
.result-note { margin-top: 13px; padding: 11px 13px; border-left: 3px solid var(--tool-mint); border-radius: 8px; background: rgba(255,255,255,.65); color: var(--ink-2); font-size: 12.5px; line-height: 1.5; }
.zone-table { width: 100%; margin-top: 16px; border-collapse: collapse; font-size: 12.5px; }
.zone-table th, .zone-table td { padding: 9px 7px; text-align: left; border-bottom: 1px solid rgba(11,16,32,.08); }
.zone-table th { color: var(--muted); font-size: 10.5px; text-transform: uppercase; letter-spacing: .08em; }

.tool-content { padding: 58px 0 30px; background: #fff; border-top: 1px solid var(--line); }
.tool-content-grid { display: grid; gap: 45px; align-items: start; }
@media (min-width: 980px) { .tool-content-grid { grid-template-columns: minmax(0,1fr) 300px; gap: 80px; } }
.tool-prose { max-width: 760px; }
.tool-prose > * + * { margin-top: 20px; }
.tool-prose h2 { margin-top: 48px; font-size: clamp(27px, 4vw, 36px); }
.tool-prose h2:first-child { margin-top: 0; }
.tool-prose h3 { margin-top: 30px; font-size: 21px; }
.tool-prose p, .tool-prose li { color: #354057; font-size: 16.5px; line-height: 1.76; }
.tool-prose ul { display: grid; gap: 10px; padding-left: 22px; }
.tool-prose li::marker { color: var(--tool-mint); }
.formula-box { padding: 20px 22px; border-radius: 20px; background: #0c1728; color: #fff; }
.formula-box strong { display: block; margin-bottom: 7px; color: #8ff0cd; }
.formula-box p { color: rgba(255,255,255,.77); font-size: 14px; }
.accuracy-section { margin-top: 48px; padding: 28px; border: 1px solid rgba(103,88,220,.18); border-radius: 24px; background: linear-gradient(145deg,#fbfaff,#f5fbf9); }
.accuracy-section h2 { margin-top: 0; }
.accuracy-section h3 { margin-top: 26px; }
.worked-example { margin-top: 20px; padding: 18px 20px; border-left: 4px solid var(--brand); border-radius: 0 16px 16px 0; background: #fff; color: #354057; font-size: 15.5px; line-height: 1.72; box-shadow: 0 8px 22px rgba(11,16,32,.05); }
.worked-example strong { color: var(--ink); }
.faq-list { display: grid; gap: 10px; }
.faq-list details { border: 1px solid var(--line); border-radius: 16px; background: #fff; padding: 0 17px; }
.faq-list summary { padding: 17px 28px 17px 0; cursor: pointer; font-weight: 700; color: var(--ink-2); }
.faq-list details p { padding: 0 0 17px; font-size: 15px; }
.sources { padding: 18px 20px; border-radius: 18px; background: var(--bg-soft); }
.sources h3 { margin: 0 0 10px; font-size: 16px; }
.sources a { display: block; padding: 6px 0; color: var(--green-ink); font-size: 13px; font-weight: 650; text-decoration: underline; text-decoration-color: rgba(23,192,138,.28); text-underline-offset: 3px; }
.tool-aside { position: sticky; top: 100px; display: grid; gap: 14px; }
.app-panel { overflow: hidden; padding: 23px; border-radius: 25px; background: linear-gradient(145deg, #091321, #192a48 62%, #272450); color: #fff; box-shadow: var(--shadow-md); }
.app-panel img { width: 66px; height: 72px; filter: drop-shadow(0 10px 20px rgba(32,210,154,.25)); }
.app-panel h3 { margin-top: 16px; font-size: 24px; }
.app-panel p { margin-top: 9px; color: rgba(255,255,255,.7); font-size: 14px; line-height: 1.55; }
.app-panel .btn { width: 100%; margin-top: 18px; }
.app-panel .btn + .btn { margin-top: 9px; }
.app-panel .btn-ghost { background: rgba(255,255,255,.12); color: #fff; }
.app-panel .btn-ghost:hover { background: rgba(255,255,255,.2); }
.related-tools { padding: 20px; border: 1px solid var(--line); border-radius: 22px; background: #fff; }
.related-tools h3 { font-size: 16px; }
.related-tools a { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); color: var(--ink-2); font-size: 14px; font-weight: 650; }
.related-tools a:last-child { border-bottom: 0; }
.related-tools a span { color: var(--green-ink); }
.supporting-guides { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; margin: 18px 0 32px; }
.supporting-guides a { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 20px; border: 1px solid var(--line); border-radius: 18px; background: linear-gradient(135deg,#fff,#f8fafc); color: var(--ink); font-weight: 750; line-height: 1.35; box-shadow: 0 8px 24px rgba(11,16,32,.045); transition: .2s ease; }
.supporting-guides a:hover { border-color: rgba(103,88,220,.45); transform: translateY(-2px); box-shadow: 0 14px 30px rgba(11,16,32,.08); }
.supporting-guides b { color: var(--brand); font-size: 20px; }
.medical-note { margin-top: 38px; padding: 18px 20px; border-radius: 18px; border: 1px solid rgba(251,146,60,.26); background: rgba(251,146,60,.07); color: #6f4b2f; font-size: 13px; line-height: 1.65; }
.category-hero { padding: 45px 0 62px; background: radial-gradient(circle at 88% 10%,rgba(103,88,220,.13),transparent 34%),linear-gradient(180deg,#f8fbff,#fff); border-bottom: 1px solid var(--line); }
.category-hero .wrap { max-width: 920px; margin-left: max(24px,calc((100vw - var(--wrap))/2)); }
.category-hero h1 { max-width: 760px; margin-top: 15px; font-size: clamp(44px,7vw,76px); line-height: .98; letter-spacing: -.052em; }
.category-hero .lead { max-width: 760px; margin-top: 22px; color: var(--muted); font-size: clamp(18px,2.2vw,22px); line-height: 1.55; }
.category-tools { padding-top: 50px; }
.category-tools .tool-card h2 { margin-top: 18px; font-size: 24px; }
.category-editorial { padding: 70px 0 90px; background: #fff; }
.category-editorial__grid { display: grid; gap: 48px; align-items: start; }
.category-editorial article { max-width: 760px; }
.category-editorial article h2 { margin: 42px 0 14px; font-size: clamp(27px,4vw,36px); }
.category-editorial article h2:first-child { margin-top: 0; }
.category-editorial article p { color: #354057; font-size: 16.5px; line-height: 1.76; }
.cluster-guides { position: sticky; top: 100px; padding: 24px; border: 1px solid var(--line); border-radius: 24px; background: linear-gradient(145deg,#0c1728,#182a48); color: #fff; box-shadow: var(--shadow-md); }
.cluster-guides > span { color: #8ff0cd; font-size: 10px; font-weight: 850; letter-spacing: .13em; text-transform: uppercase; }
.cluster-guides h2 { margin: 9px 0 12px; color: #fff; font-size: 25px; }
.cluster-guides a { display: flex; justify-content: space-between; gap: 12px; padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.12); color: rgba(255,255,255,.82); font-size: 14px; font-weight: 700; }
.cluster-guides a:last-child { border-bottom: 0; }
.cluster-guides b { color: #8ff0cd; }
@media (min-width: 980px) { .category-editorial__grid { grid-template-columns: minmax(0,1fr) 320px; gap: 80px; } }

@media (max-width: 720px) {
  .tools-hero { padding-top: 118px; }
  .section-heading { display: block; }
  .section-heading p { margin-top: 10px; }
  .calculator-card { border-radius: 24px; }
  .calculator-copy { padding-top: 5px; }
  .supporting-guides { grid-template-columns: 1fr; }
  .accuracy-section { padding: 21px 18px; }
}