/* ============================================================
   FreePayrollCalc — Design System
   Precision financial tools. Clean. Fast. Authoritative.
   ============================================================ */


/* ── Tokens ── */
:root {
  --bg:         #F7F8FA;
  --surface:    #FFFFFF;
  --surface-2:  #F2F4F7;
  --ink:        #0C0F1A;
  --ink-2:      #4B5563;
  --ink-3:      #9CA3AF;
  --accent:     #1B4FD8;
  --accent-hov: #1640BF;
  --accent-dim: rgba(27,79,216,.07);
  --accent-border: rgba(27,79,216,.18);
  --green:      #059669;
  --green-dim:  rgba(5,150,105,.08);
  --green-border: rgba(5,150,105,.2);
  --red:        #DC2626;
  --red-dim:    rgba(220,38,38,.07);
  --amber:      #D97706;
  --border:     #E4E7EC;
  --border-dark:#CBD2DC;
  --radius:     10px;
  --radius-lg:  16px;
  --radius-xl:  22px;
  --shadow-sm:  0 1px 3px rgba(12,15,26,.06),0 1px 2px rgba(12,15,26,.04);
  --shadow-md:  0 4px 16px rgba(12,15,26,.08),0 2px 6px rgba(12,15,26,.05);
  --shadow-lg:  0 8px 32px rgba(12,15,26,.10),0 4px 12px rgba(12,15,26,.06);
  --font:       'Inter', system-ui, -apple-system, sans-serif;
  --mono:       'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
  --max-w:      1180px;
  --transition: .18s cubic-bezier(.4,0,.2,1);
}

/* ── Reset ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);background:var(--bg);color:var(--ink);line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{cursor:pointer;font-family:inherit;border:none;background:none}
input,select{font-family:inherit}
ul,ol{list-style:none}

/* ── Container ── */
.container{width:100%;max-width:var(--max-w);margin-inline:auto;padding-inline:24px}
.container--narrow{max-width:780px;margin-inline:auto;padding-inline:24px}

/* ── Nav ── */
.site-nav{
  position:sticky;top:0;z-index:100;
  background:rgba(247,248,250,.88);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color var(--transition),box-shadow var(--transition);
}
.site-nav.scrolled{
  border-bottom-color:var(--border);
  box-shadow:0 2px 16px rgba(12,15,26,.06);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:60px;
}
.nav-logo{
  display:flex;align-items:center;gap:9px;font-weight:700;font-size:16px;letter-spacing:-.3px;color:var(--ink);
}
.nav-logo-mark{
  width:32px;height:32px;border-radius:8px;
  background:var(--accent)
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32'%3E%3Crect x='5' y='9' width='22' height='3.5' rx='1.75' fill='white'/%3E%3Crect x='5' y='14.75' width='15' height='3.5' rx='1.75' fill='white' opacity='.72'/%3E%3Crect x='5' y='20.5' width='9' height='3.5' rx='1.75' fill='white' opacity='.48'/%3E%3C/svg%3E")
    no-repeat center/100%;
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.nav-logo-mark svg{display:none}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  font-size:14px;font-weight:500;color:var(--ink-2);
  padding:6px 12px;border-radius:7px;
  transition:background var(--transition),color var(--transition);
}
.nav-links a:hover{background:var(--surface-2);color:var(--ink)}
.nav-links a.active{color:var(--accent)}
.nav-cta{
  font-size:14px;font-weight:600;
  background:var(--accent);color:#fff;
  padding:7px 16px;border-radius:8px;
  transition:background var(--transition),transform var(--transition);
}
.nav-cta:hover{background:var(--accent-hov);transform:translateY(-1px)}
.nav-toggle{display:none;padding:6px;border-radius:6px;color:var(--ink-2)}
.nav-mobile{display:none}

/* ── Hero ── */
.hero{
  padding:80px 0 72px;
  background:linear-gradient(135deg,#EEF2FF 0%,#F7F8FA 45%,#EFF6FF 100%);
  position:relative;overflow:hidden;
}
.hero::before{
  content:'';position:absolute;top:-120px;right:-120px;
  width:500px;height:500px;border-radius:50%;
  background:radial-gradient(circle,rgba(27,79,216,.08) 0%,transparent 70%);
  pointer-events:none;
}
.hero::after{
  content:'';position:absolute;bottom:-80px;left:10%;
  width:400px;height:400px;border-radius:50%;
  background:radial-gradient(circle,rgba(5,150,105,.06) 0%,transparent 70%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:1;text-align:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:7px;
  background:rgba(27,79,216,.08);border:1px solid rgba(27,79,216,.14);
  color:var(--accent);font-size:12.5px;font-weight:600;letter-spacing:.3px;text-transform:uppercase;
  padding:5px 12px;border-radius:100px;margin-bottom:24px;
}
.hero-badge-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);animation:pulse-dot 2s ease infinite}
@keyframes pulse-dot{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.8)}}
.hero h1{
  font-size:clamp(36px,5.5vw,62px);font-weight:700;
  letter-spacing:-1.5px;line-height:1.12;
  color:var(--ink);margin-bottom:18px;
}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero-sub{
  font-size:clamp(16px,2vw,19px);color:var(--ink-2);
  max-width:580px;margin:0 auto 40px;line-height:1.65;
}
.hero-actions{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap}
.btn-primary{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--accent);color:#fff;
  font-size:15px;font-weight:600;
  padding:13px 24px;border-radius:10px;
  transition:background var(--transition),transform var(--transition),box-shadow var(--transition);
  box-shadow:0 2px 8px rgba(27,79,216,.3);
}
.btn-primary:hover{background:var(--accent-hov);transform:translateY(-2px);box-shadow:0 6px 20px rgba(27,79,216,.35)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--surface);border:1px solid var(--border-dark);
  color:var(--ink);font-size:15px;font-weight:600;
  padding:13px 24px;border-radius:10px;
  transition:border-color var(--transition),background var(--transition),transform var(--transition);
}
.btn-ghost:hover{border-color:var(--accent-border);background:var(--accent-dim);transform:translateY(-1px)}
.hero-proof{
  display:flex;align-items:center;justify-content:center;gap:20px;
  margin-top:40px;flex-wrap:wrap;
}
.proof-item{display:flex;align-items:center;gap:7px;font-size:13px;color:var(--ink-3);font-weight:500}
.proof-item svg{color:var(--green)}

/* ── Tool Grid ── */
.tool-grid-section{padding:80px 0}
.section-header{text-align:center;margin-bottom:52px}
.section-eyebrow{
  font-size:12px;font-weight:700;letter-spacing:1.2px;text-transform:uppercase;
  color:var(--accent);margin-bottom:10px;
}
.section-title{font-size:clamp(28px,3.5vw,40px);font-weight:700;letter-spacing:-.8px;color:var(--ink);margin-bottom:14px}
.section-body{font-size:17px;color:var(--ink-2);max-width:540px;margin-inline:auto}

.tool-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(340px,1fr));
  gap:20px;
}
.tool-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:26px;
  display:flex;flex-direction:column;gap:16px;
  transition:border-color var(--transition),box-shadow var(--transition),transform var(--transition);
  position:relative;
  text-decoration:none;color:inherit;
}
.tool-card:hover{
  border-color:var(--accent-border);
  box-shadow:var(--shadow-md);
  transform:translateY(-2px);
}
.tool-card--featured{
  border-color:var(--accent-border);
  background:linear-gradient(135deg,#F0F4FF 0%,#FFFFFF 60%);
}
.tool-card--featured::before{
  content:'Most Popular';position:absolute;top:-1px;right:20px;
  background:var(--accent);color:#fff;
  font-size:11px;font-weight:700;letter-spacing:.5px;text-transform:uppercase;
  padding:3px 10px;border-radius:0 0 7px 7px;
}
.tool-card--new::before{
  content:'New';position:absolute;top:-1px;right:20px;
  background:var(--green);color:#fff;
  font-size:11px;font-weight:700;letter-spacing:.5px;text-transform:uppercase;
  padding:3px 10px;border-radius:0 0 7px 7px;
}
.tc-icon-wrap{
  width:46px;height:46px;border-radius:11px;
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
  transition:transform var(--transition);
}
.tool-card:hover .tc-icon-wrap{transform:scale(1.06)}
.tc-blue{background:var(--accent-dim);border:1.5px solid var(--accent-border);color:var(--accent)}
.tc-green{background:var(--green-dim);border:1.5px solid var(--green-border);color:var(--green)}
.tc-amber{background:rgba(217,119,6,.07);border:1.5px solid rgba(217,119,6,.2);color:var(--amber)}
.tc-slate{background:var(--surface-2);border:1.5px solid var(--border-dark);color:var(--ink-2)}
.tool-card-title{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:-.3px}
.tool-card-desc{font-size:14px;color:var(--ink-2);line-height:1.55;flex:1}
.tool-card-meta{
  display:flex;align-items:center;justify-content:space-between;
  padding-top:14px;border-top:1px solid var(--border);
}
.tool-card-stat{font-size:12px;color:var(--ink-3);font-weight:500}
.tool-card-stat strong{color:var(--accent);font-family:var(--mono);font-size:13px}
.tool-card-arrow{
  width:30px;height:30px;border-radius:8px;
  background:var(--accent-dim);border:1px solid var(--accent-border);
  display:flex;align-items:center;justify-content:center;
  color:var(--accent);transition:background var(--transition),transform var(--transition);
}
.tool-card:hover .tool-card-arrow{background:var(--accent);color:#fff;transform:translateX(2px)}

/* ── Trust Strip ── */
.trust-strip{
  background:var(--surface);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
  padding:24px 0;
}
.trust-inner{
  display:flex;align-items:center;justify-content:center;gap:40px;flex-wrap:wrap;
}
.trust-item{display:flex;align-items:center;gap:9px;font-size:13.5px;font-weight:500;color:var(--ink-2)}
.trust-item svg{color:var(--green);flex-shrink:0}

/* ── Calculator Layout ── */
.calc-page{padding:48px 0 80px}
.calc-breadcrumb{
  display:flex;align-items:center;gap:6px;
  font-size:13px;color:var(--ink-3);margin-bottom:32px;
}
.calc-breadcrumb a{color:var(--ink-2);transition:color var(--transition)}
.calc-breadcrumb a:hover{color:var(--accent)}
.calc-breadcrumb span{color:var(--border-dark)}

.calc-layout{
  display:grid;
  grid-template-columns:1fr 420px;
  gap:40px;align-items:start;
}
.calc-main{}
.calc-title{
  font-size:clamp(28px,4vw,42px);font-weight:700;letter-spacing:-.8px;
  color:var(--ink);margin-bottom:10px;
}
.calc-subtitle{font-size:16px;color:var(--ink-2);margin-bottom:36px}

/* ── Calculator Card ── */
.calc-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-xl);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
}
.calc-card-head{
  padding:20px 24px;
  border-bottom:1px solid var(--border);
  display:flex;align-items:center;gap:12px;
}
.calc-card-head-title{font-size:15px;font-weight:600;color:var(--ink)}
.calc-card-head-badge{
  font-size:11px;font-weight:700;letter-spacing:.4px;text-transform:uppercase;
  background:var(--green-dim);color:var(--green);border:1px solid var(--green-border);
  padding:3px 9px;border-radius:100px;margin-left:auto;
}
.calc-body{padding:24px}

/* ── Form Elements ── */
.field-group{margin-bottom:20px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:20px}
label.field-label{
  display:block;font-size:13px;font-weight:600;color:var(--ink);
  margin-bottom:7px;letter-spacing:-.1px;
}
.field-hint{font-size:12px;color:var(--ink-3);margin-top:4px}
.input-wrap{position:relative}
.input-prefix,.input-suffix{
  position:absolute;top:50%;transform:translateY(-50%);
  font-size:14px;color:var(--ink-3);font-weight:500;pointer-events:none;
}
.input-prefix{left:12px}
.input-suffix{right:12px}
.field-input{
  width:100%;height:44px;
  padding:0 14px;
  border:1.5px solid var(--border-dark);border-radius:9px;
  font-size:15px;color:var(--ink);background:var(--surface);
  transition:border-color var(--transition),box-shadow var(--transition);
  -webkit-appearance:none;appearance:none;
}
.field-input:focus{
  outline:none;
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(27,79,216,.1);
}
.field-input.has-prefix{padding-left:32px}
.field-input.has-suffix{padding-right:32px}
.field-select{
  width:100%;height:44px;
  padding:0 38px 0 14px;
  border:1.5px solid var(--border-dark);border-radius:9px;
  font-size:15px;color:var(--ink);background:var(--surface);
  transition:border-color var(--transition),box-shadow var(--transition);
  -webkit-appearance:none;appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' viewBox='0 0 16 16'%3E%3Cpath stroke='%239CA3AF' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M4 6l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 12px center;
  cursor:pointer;
}
.field-select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(27,79,216,.1)}

/* Pill toggles */
.pill-group{display:flex;gap:6px;flex-wrap:wrap}
.pill-btn{
  padding:7px 16px;border-radius:100px;
  font-size:13.5px;font-weight:600;
  border:1.5px solid var(--border-dark);background:var(--surface);color:var(--ink-2);
  transition:all var(--transition);cursor:pointer;
}
.pill-btn.active,.pill-btn:hover{
  background:var(--accent-dim);border-color:var(--accent-border);color:var(--accent);
}
.pill-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}

/* Calculate button */
.btn-calc{
  width:100%;height:50px;
  background:var(--accent);color:#fff;
  font-size:16px;font-weight:700;letter-spacing:-.2px;
  border-radius:11px;
  transition:background var(--transition),transform var(--transition),box-shadow var(--transition);
  box-shadow:0 2px 8px rgba(27,79,216,.25);
  margin-top:4px;
}
.btn-calc:hover{background:var(--accent-hov);transform:translateY(-1px);box-shadow:0 4px 16px rgba(27,79,216,.35)}
.btn-calc:active{transform:translateY(0)}

/* ── Results Panel ── */
.results-panel{
  position:sticky;top:80px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-xl);
  overflow:hidden;
  box-shadow:var(--shadow-md);
}
.results-head{
  padding:18px 22px;
  background:var(--ink);color:#fff;
  display:flex;align-items:center;justify-content:space-between;
}
.results-head-label{font-size:12px;font-weight:600;letter-spacing:.8px;text-transform:uppercase;opacity:.6}
.results-head-period{font-size:13px;font-weight:600;opacity:.8}
.results-empty{
  padding:48px 24px;text-align:center;
  color:var(--ink-3);font-size:14px;
}
.results-empty svg{margin:0 auto 12px;opacity:.3}
.results-body{padding:20px}

/* Net pay display */
.net-pay-display{
  text-align:center;padding:24px 20px;
  background:linear-gradient(135deg,var(--accent-dim),rgba(5,150,105,.05));
  border:1px solid var(--accent-border);
  border-radius:14px;margin-bottom:20px;
}
.net-pay-label{font-size:12px;font-weight:700;letter-spacing:.8px;text-transform:uppercase;color:var(--ink-3);margin-bottom:6px}
.net-pay-amount{
  font-family:var(--mono);font-size:clamp(32px,5vw,44px);font-weight:600;
  color:var(--green);letter-spacing:-1px;line-height:1;
}
.net-pay-sub{font-size:13px;color:var(--ink-3);margin-top:6px}

/* Breakdown rows */
.breakdown-section-label{
  font-size:11px;font-weight:700;letter-spacing:.8px;text-transform:uppercase;
  color:var(--ink-3);margin:16px 0 8px;
}
.breakdown-row{
  display:flex;align-items:center;justify-content:space-between;
  padding:9px 0;border-bottom:1px solid var(--border);font-size:14px;
}
.breakdown-row:last-child{border-bottom:none}
.breakdown-row-label{color:var(--ink-2);display:flex;align-items:center;gap:8px}
.breakdown-row-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}
.breakdown-row-amount{font-family:var(--mono);font-weight:600;font-size:13.5px}
.amount-green{color:var(--green)}
.amount-red{color:var(--red)}
.amount-neutral{color:var(--ink)}
.breakdown-total{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 0 0;margin-top:4px;
  border-top:2px solid var(--border-dark);
  font-weight:700;font-size:15px;
}
.breakdown-total .breakdown-row-amount{font-size:15px}

/* Share/download bar */
.results-actions{
  padding:14px 20px;
  border-top:1px solid var(--border);
  display:flex;gap:8px;
}
.results-action-btn{
  flex:1;height:36px;border-radius:8px;font-size:13px;font-weight:600;
  border:1.5px solid var(--border-dark);color:var(--ink-2);
  display:flex;align-items:center;justify-content:center;gap:6px;
  transition:all var(--transition);
}
.results-action-btn:hover{border-color:var(--accent-border);color:var(--accent);background:var(--accent-dim)}

/* ── FAQ Section ── */
.faq-section{padding:72px 0;background:var(--surface);border-top:1px solid var(--border)}
.faq-list{max-width:720px;margin:40px auto 0}
.faq-item{border-bottom:1px solid var(--border)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;
  padding:18px 0;font-size:16px;font-weight:600;color:var(--ink);
  cursor:pointer;text-align:left;gap:16px;
}
.faq-q svg{flex-shrink:0;color:var(--ink-3);transition:transform var(--transition)}
.faq-q[aria-expanded=true] svg{transform:rotate(180deg);color:var(--accent)}
.faq-q[aria-expanded=true]{color:var(--accent)}
.faq-a{display:none;padding:0 0 18px;font-size:15px;color:var(--ink-2);line-height:1.7}
.faq-a.open{display:block}
.faq-a a{color:var(--accent);text-decoration:underline;text-underline-offset:2px}

/* ── Related Tools ── */
.related-section{padding:64px 0}
.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;margin-top:36px}

/* ── How It Works ── */
.how-section{padding:80px 0;background:var(--surface-2)}
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:48px}
.step{padding:28px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg)}
.step-num{
  width:38px;height:38px;border-radius:9px;
  background:var(--accent);color:#fff;
  font-size:16px;font-weight:700;font-family:var(--mono);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:16px;
}
.step-title{font-size:17px;font-weight:700;color:var(--ink);margin-bottom:8px}
.step-body{font-size:14px;color:var(--ink-2);line-height:1.6}

/* ── Stats banner ── */
.stats-banner{
  background:var(--ink);color:#fff;padding:56px 0;
}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat-value{font-family:var(--mono);font-size:clamp(28px,3.5vw,38px);font-weight:600;color:#fff;letter-spacing:-1px}
.stat-value em{font-style:normal;color:rgba(27,79,216,.8)}
.stat-label{font-size:13px;color:rgba(255,255,255,.55);margin-top:4px;font-weight:500}

/* ── Footer ── */
.site-footer{background:var(--ink);border-top:1px solid rgba(255,255,255,.06)}
.footer-top{
  display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:40px;
  padding:56px 0 40px;
}
.footer-brand-name{font-size:17px;font-weight:700;color:#fff;margin-bottom:10px;letter-spacing:-.3px}
.footer-brand-desc{font-size:14px;color:rgba(255,255,255,.45);line-height:1.65;max-width:260px}
.footer-col-title{font-size:12px;font-weight:700;letter-spacing:.8px;text-transform:uppercase;color:rgba(255,255,255,.4);margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:9px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.55);transition:color var(--transition)}
.footer-links a:hover{color:#fff}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.07);
  padding:18px 0;
  display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:10px;
}
.footer-copy{font-size:13px;color:rgba(255,255,255,.35)}
.footer-legal{display:flex;gap:20px}
.footer-legal a{font-size:13px;color:rgba(255,255,255,.35);transition:color var(--transition)}
.footer-legal a:hover{color:rgba(255,255,255,.7)}

/* ── Disclaimer ── */
.disclaimer{
  background:rgba(217,119,6,.06);border:1px solid rgba(217,119,6,.18);
  border-radius:10px;padding:14px 18px;
  font-size:13px;color:var(--amber);line-height:1.6;margin-top:24px;
}
.disclaimer strong{font-weight:700}

/* ── Ad zones — hidden until AdSense code is inserted ── */
.ad-zone{display:none}
.ad-zone--leaderboard{width:100%;max-width:728px;margin:0 auto}
.ad-zone--in-content{width:100%}
.ad-zone--sidebar{}

/* ── Entrance animations ── */
[data-enter]{opacity:0;transform:translateY(18px);transition:opacity .5s ease,transform .5s ease}
[data-enter].entered{opacity:1;transform:none}
[data-enter][data-delay="1"]{transition-delay:.08s}
[data-enter][data-delay="2"]{transition-delay:.16s}
[data-enter][data-delay="3"]{transition-delay:.24s}
[data-enter][data-delay="4"]{transition-delay:.32s}
[data-enter][data-delay="5"]{transition-delay:.40s}
[data-enter][data-delay="6"]{transition-delay:.48s}

/* ── Responsive ── */
@media(max-width:900px){
  .calc-layout{grid-template-columns:1fr}
  .results-panel{position:static;order:-1}
  .steps-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr 1fr}
  .stats-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:640px){
  .nav-links,.nav-cta{display:none}
  .nav-toggle{display:flex}
  .nav-mobile.open{
    display:flex;flex-direction:column;gap:4px;
    position:absolute;top:60px;left:0;right:0;
    background:var(--surface);border-bottom:1px solid var(--border);
    padding:12px 16px;box-shadow:var(--shadow-md);
  }
  .nav-mobile.open a{
    padding:10px 14px;border-radius:8px;font-size:15px;font-weight:500;color:var(--ink-2);
  }
  .nav-mobile.open a:hover{background:var(--surface-2)}
  .tool-grid{grid-template-columns:1fr}
  .field-row{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr}
  .hero{padding:56px 0 48px}
  .trust-inner{gap:16px}
}

/* ── Last updated tag ── */
.calc-updated{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;color:var(--ink-3);font-weight:500;
  margin-bottom:28px;
}
.calc-updated svg{color:var(--green);flex-shrink:0}

/* ── Utilities ── */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}
.text-mono{font-family:var(--mono)}
.divider{border:none;border-top:1px solid var(--border);margin:24px 0}

/* ── Testimonial Cards ── */
.testimonial-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:28px;
  display:flex;flex-direction:column;gap:18px;
  box-shadow:var(--shadow-sm);
  transition:box-shadow var(--transition),transform var(--transition);
}
.testimonial-card:hover{
  box-shadow:0 8px 32px rgba(12,15,26,.10),0 3px 10px rgba(12,15,26,.06);
  transform:translateY(-2px);
}
.tc-quote-icon{opacity:.2;flex-shrink:0}
.tc-quote-text{
  font-size:15px;color:var(--ink);line-height:1.72;flex:1;
  font-style:italic;
}
.tc-person{
  display:flex;align-items:center;gap:13px;
  padding-top:18px;border-top:1px solid var(--border);
}
.tc-avatar{
  width:44px;height:44px;border-radius:50%;
  object-fit:cover;flex-shrink:0;
  border:2px solid var(--border);
}
.tc-person-name{font-size:14px;font-weight:700;color:var(--ink)}
.tc-person-role{font-size:12px;color:var(--ink-3);margin-top:2px;line-height:1.4}

/* ── Hero Split Layout ── */
.hero-split{
  display:grid;
  grid-template-columns:1fr 420px;
  gap:60px;align-items:center;
  position:relative;z-index:1;
}
.hero-content{text-align:left}
.hero-content .hero-sub{margin-left:0;max-width:none}
.hero-content .hero-actions{justify-content:flex-start}
.hero-content .hero-proof{justify-content:flex-start}

/* ── Hero Demo Card ── */
.hero-demo-wrap{perspective:1200px}
.hero-demo-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:16px;
  box-shadow:0 32px 80px rgba(12,15,26,.14),0 8px 24px rgba(12,15,26,.08);
  overflow:hidden;
  transform:rotateY(-6deg) rotateX(3deg);
  transition:transform .4s cubic-bezier(.4,0,.2,1),box-shadow .4s ease;
  will-change:transform;
}
.hero-demo-card:hover{
  transform:rotateY(-1deg) rotateX(0deg);
  box-shadow:0 40px 100px rgba(12,15,26,.18),0 12px 32px rgba(12,15,26,.1);
}
.hdc-chrome{
  padding:11px 16px;
  background:var(--surface-2);
  border-bottom:1px solid var(--border);
  display:flex;align-items:center;gap:10px;
}
.hdc-dots{display:flex;gap:6px;flex-shrink:0}
.hdc-dots span{width:10px;height:10px;border-radius:50%}
.hdc-dots span:nth-child(1){background:#FF5F57}
.hdc-dots span:nth-child(2){background:#FFBD2E}
.hdc-dots span:nth-child(3){background:#28CA41}
.hdc-chrome-title{
  flex:1;text-align:center;
  font-size:12px;font-weight:600;color:var(--ink-3);
}
.hdc-live{
  display:flex;align-items:center;gap:5px;
  font-size:11px;font-weight:600;color:var(--green);flex-shrink:0;
}
.hdc-live-dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--green);animation:pulse-dot 2s ease infinite;
}
.hdc-body{padding:18px 20px 20px}
.hdc-inputs{
  display:grid;grid-template-columns:1fr 1fr;
  gap:6px 16px;margin-bottom:16px;padding-bottom:16px;
  border-bottom:1px solid var(--border);
}
.hdc-inp{display:flex;flex-direction:column;gap:2px}
.hdc-inp-label{
  font-size:10px;font-weight:700;letter-spacing:.6px;
  text-transform:uppercase;color:var(--ink-3);
}
.hdc-inp-value{
  font-size:13px;font-weight:700;color:var(--ink);
  font-family:var(--mono);
}
.hdc-results-label{
  font-size:10.5px;font-weight:700;letter-spacing:.6px;
  text-transform:uppercase;color:var(--ink-3);margin-bottom:8px;
}
.hdc-line{
  display:flex;align-items:center;justify-content:space-between;
  padding:6px 0;border-bottom:1px solid var(--border);font-size:12.5px;
}
.hdc-line:last-of-type{border-bottom:none}
.hdc-line-label{color:var(--ink-2)}
.hdc-deduct{font-family:var(--mono);font-weight:600;color:var(--red);font-size:12px}
.hdc-zero{font-family:var(--mono);font-weight:500;color:var(--ink-3);font-size:12px}
.hdc-net{
  margin-top:14px;padding:14px 16px;
  background:linear-gradient(135deg,rgba(5,150,105,.08),rgba(5,150,105,.03));
  border:1px solid var(--green-border);border-radius:10px;
  display:flex;align-items:center;justify-content:space-between;
}
.hdc-net-label{
  font-size:11px;font-weight:700;letter-spacing:.5px;
  text-transform:uppercase;color:var(--green);
}
.hdc-net-value{
  font-family:var(--mono);font-size:21px;font-weight:700;
  color:var(--green);letter-spacing:-.5px;
}
.hdc-rate{
  margin-top:10px;display:flex;align-items:center;gap:10px;
}
.hdc-rate-label{font-size:11px;color:var(--ink-3);font-weight:500;flex-shrink:0}
.hdc-rate-bar{
  flex:1;height:5px;background:var(--border);
  border-radius:100px;overflow:hidden;
}
.hdc-rate-fill{height:100%;background:var(--green);border-radius:100px}
.hdc-rate-pct{
  font-size:11px;font-weight:700;color:var(--green);
  font-family:var(--mono);flex-shrink:0;
}

/* ── Tool card depth ── */
.tool-card{box-shadow:var(--shadow-sm)}
.tool-card:hover{box-shadow:0 8px 32px rgba(12,15,26,.11),0 3px 10px rgba(12,15,26,.07)}

@media(max-width:1024px){
  .hero-split{grid-template-columns:1fr;gap:40px}
  .hero-content{text-align:center}
  .hero-content .hero-sub{margin:0 auto 40px;max-width:580px}
  .hero-content .hero-actions{justify-content:center}
  .hero-content .hero-proof{justify-content:center}
  .hero-demo-card{transform:none;max-width:420px;margin:0 auto}
  .hero-demo-card:hover{transform:none}
}