/* ============================================================
   TheSalaryCalc.co.uk — Shared Stylesheet
   Covers: reset, CSS variables, nav, hero, footer, form
   elements, sliders, FAQ, related grid, ad slots, media queries
   ============================================================ */

/* ── Reset & base ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#fff;--bg-soft:#f8fafc;--ink:#1e293b;--muted:#5a6580;--line:#e2e8f0;
  --accent:#1d6fb5;--accent-soft:#dbeafe;--accent-light:#93c5fd;--accent-dark:#1558a0;
  --radius:16px;--pill:999px;--nav-bg:#1e3a5f;--primary:#1e3a5f;
  --highlight:#3b82f6;--highlight-dark:#2563eb;--warn:#f59e0b;
  --shadow:0 1px 3px rgba(0,0,0,.06),0 4px 16px rgba(0,0,0,.08);
  --shadow-hover:0 4px 8px rgba(0,0,0,.06),0 12px 32px rgba(0,0,0,.12)
}
html{scroll-behavior:smooth;overflow-x:hidden}
h1,h2,h3,.section-title,.hero h1,.page-title{font-family:'Fraunces',Georgia,'Times New Roman',serif}
body{font-family:'DM Sans',-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;font-size:16px;line-height:1.6;color:var(--ink);background:var(--bg-soft);-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1100px;margin:0 auto;padding:0 24px}

/* ── Cookie banner ── */
#cookie-banner{position:fixed;bottom:0;left:0;right:0;background:#0d1e33;color:#fff;padding:16px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;z-index:9999;flex-wrap:wrap;font-size:14px;box-shadow:0 -4px 24px rgba(0,0,0,.3)}
#cookie-banner.hidden,html.cookies-set #cookie-banner{display:none!important}
#cookie-banner p{flex:1;min-width:200px}
#cookie-banner a{color:#93c5fd;text-decoration:underline}
.cookie-btns{display:flex;gap:10px;flex-shrink:0}
.btn-ca{background:var(--highlight);color:#fff;border:none;padding:9px 20px;border-radius:6px;cursor:pointer;font-weight:600;font-size:14px;transition:background .2s}
.btn-ca:hover{background:var(--highlight-dark)}
.btn-cd{background:transparent;color:#ccc;border:1px solid #555;padding:9px 20px;border-radius:6px;cursor:pointer;font-size:14px}
.btn-cd:hover{border-color:#aaa;color:#fff}

/* ── Nav ── */
nav{position:sticky;top:0;z-index:100;background:var(--nav-bg);box-shadow:0 2px 12px rgba(0,0,0,.25);width:100%}
.nav-inner{max-width:1100px;margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;height:58px;position:relative}
.nav-logo{color:#fff;font-weight:800;font-size:17px;text-decoration:none;letter-spacing:-.3px}
.nav-logo span{color:#93c5fd}
.nav-logo:hover{text-decoration:none;color:#93c5fd}
.nav-links{display:flex;gap:2px;list-style:none;align-items:center}
.nav-links a{color:#cbd5e1;text-decoration:none;font-size:12.5px;font-weight:500;padding:6px 9px;border-radius:6px;transition:all .2s;white-space:nowrap}
.nav-links a:hover,.nav-links a.active{background:rgba(255,255,255,.12);color:#fff;text-decoration:none}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:4px}
.nav-toggle span{display:block;width:22px;height:2px;background:#fff;margin:5px 0;border-radius:2px;transition:.3s}

/* ── Hero ── */
.hero{background:linear-gradient(135deg,#1e3a5f 0%,#1d4d7a 40%,#1d6fb5 70%,#3b82f6 100%);color:#fff;padding:72px 0 56px;border-bottom:1px solid rgba(255,255,255,.08);position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 70% 40%,rgba(59,130,246,.25) 0%,transparent 60%);pointer-events:none}
.hero h1{font-size:clamp(2rem,5.5vw,3.5rem);line-height:1.1;letter-spacing:-.04em;font-weight:800;margin-bottom:14px}
.hero h1 span{color:#93c5fd}
.hero p{color:#b8d4f0;max-width:680px;font-size:1.05rem}
.trust-bar{display:flex;flex-wrap:wrap;gap:20px;margin-top:20px}
.trust-pill{display:flex;align-items:center;gap:6px;font-size:.82rem;color:#93c5fd;font-weight:500}

/* ── Page layout ── */
.main{padding:56px 0 0;background:linear-gradient(to bottom,#fff 0%,var(--bg-soft) 100%)}
.layout{display:grid;grid-template-columns:1.05fr .95fr;gap:20px;align-items:start}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.card h2{font-size:1.3rem;letter-spacing:-.02em;font-weight:700;margin-bottom:18px;color:var(--primary)}

/* ── Form elements ── */
.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:flex;flex-direction:column;gap:6px}
.field label,.field-lbl{font-size:.84rem;color:var(--muted);font-weight:600}
.field input:not([type="checkbox"]):not([type="radio"]):not([type="range"]),.field select,.iput{border:1px solid var(--line);border-radius:12px;font-size:1rem;padding:11px 13px;outline:none;transition:border-color .2s,box-shadow .2s;background:#fff;color:var(--ink);font-family:inherit;width:100%}
.field input:not([type="range"]):focus,.field select:focus,.iput:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.field.full{grid-column:1/-1}

/* ── Input group (text box with prefix/suffix) ── */
.input-group{display:flex;align-items:stretch;border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:border-color .2s,box-shadow .2s}
.input-group:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.input-pfx,.input-sfx{background:var(--bg-soft);color:var(--muted);font-weight:600;font-size:.9rem;padding:11px 13px;display:flex;align-items:center;border:none;white-space:nowrap}
.input-pfx{border-right:1px solid var(--line)}
.input-sfx{border-left:1px solid var(--line)}
.input-group input{border:none!important;outline:none!important;box-shadow:none!important;font-size:1rem;font-weight:600;padding:11px 12px;flex:1;color:var(--ink);background:#fff;font-family:inherit;min-width:0}

/* ── Slider ── */
.slider-wrap{position:relative;height:18px;display:flex;align-items:center}
.slider-track{position:absolute;left:0;right:0;height:3px;background:#e5e7eb;border-radius:999px;pointer-events:none}
.slider-fill{position:absolute;left:0;top:50%;transform:translateY(-50%);height:3px;background:var(--accent);border-radius:999px;pointer-events:none;z-index:1;width:0%}
input[type="range"].fslider{position:absolute;left:0;top:50%;transform:translateY(-50%);width:100%!important;-webkit-appearance:none!important;appearance:none!important;background:transparent!important;height:18px!important;margin:0!important;padding:0!important;border:none!important;outline:none!important;cursor:pointer!important;z-index:2}
input[type="range"].fslider::-webkit-slider-thumb{-webkit-appearance:none!important;width:18px!important;height:18px!important;border-radius:50%!important;background:#fff!important;border:2px solid var(--accent)!important;box-shadow:0 2px 8px rgba(29,111,181,.25)!important;margin-top:-7.5px!important}
input[type="range"].fslider::-moz-range-thumb{width:18px!important;height:18px!important;border-radius:50%!important;background:#fff!important;border:2px solid var(--accent)!important;box-shadow:0 2px 8px rgba(29,111,181,.25)!important}
input[type="range"].fslider::-webkit-slider-runnable-track{background:transparent!important;border:none!important;height:3px!important}
input[type="range"].fslider::-moz-range-track{background:transparent!important;border:none!important;height:3px!important}
input[type="range"].fslider:focus{outline:none!important;box-shadow:none!important}
input[type="range"].fslider:focus::-webkit-slider-thumb{box-shadow:0 0 0 3px var(--accent-soft),0 2px 8px rgba(29,111,181,.25)!important}
.slider-limits{display:flex;justify-content:space-between;font-size:.72rem;color:var(--muted);margin-top:2px}

/* ── Button ── */
.btn-calc{width:100%;background:var(--accent);color:#fff;border:none;border-radius:var(--pill);font-size:1rem;font-weight:700;padding:13px 20px;cursor:pointer;transition:background .2s;margin-top:8px;font-family:inherit}
.btn-calc:hover{background:var(--accent-dark)}
.btn-calc:active{transform:scale(.98)}

/* ── Results hero ── */
.net-hero{background:linear-gradient(135deg,var(--nav-bg),#1d6fb5);color:#fff;border-radius:14px;padding:18px 20px;margin-bottom:14px;text-align:center}
.nh-lbl{font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;color:#93c5fd;margin-bottom:4px}
.nh-amt{font-size:clamp(2rem,5vw,2.8rem);font-weight:800;letter-spacing:-.04em;line-height:1}
.nh-sub{font-size:.8rem;color:#93c5fd;margin-top:4px}

/* ── Results table ── */
.res-table{width:100%;border-collapse:collapse}
.res-table tr{border-bottom:1px solid var(--line)}
.res-table tr:last-child{border-bottom:none}
.res-table td{padding:9px 4px;font-size:.88rem}
.res-table td:first-child{color:var(--muted)}
.res-table td:last-child{text-align:right;font-weight:700}
.res-table tr.total-row td{padding-top:12px;font-size:.95rem;color:var(--primary)!important}

/* ── Rates / reference tables ── */
.rates-table-wrap{overflow-x:auto;margin:24px 0;max-width:860px;border-radius:12px;border:1px solid var(--line)}
.rates-table{width:100%;border-collapse:collapse;font-size:.86rem}
.rates-table thead tr{background:var(--primary);color:#fff}
.rates-table thead th{padding:10px 14px;text-align:left;font-weight:600;font-size:.8rem;letter-spacing:.03em;white-space:nowrap}
.rates-table thead th:not(:first-child){text-align:right}
.rates-table tbody tr:nth-child(even) td{background:var(--bg-soft)}
.rates-table tbody tr:hover td{background:var(--accent-soft)}
.rates-table td{padding:9px 14px;border-bottom:1px solid var(--line);color:var(--ink)}
.rates-table td:not(:first-child){text-align:right}
.rates-table tbody tr:last-child td{border-bottom:none}
.rates-table caption{caption-side:top;text-align:left;font-size:.78rem;font-weight:700;color:var(--primary);padding:0 0 8px;text-transform:uppercase;letter-spacing:.05em}
.rates-table-group{display:grid;grid-template-columns:1fr 1fr;gap:24px}
@media(max-width:640px){.rates-table-group{grid-template-columns:1fr}}

/* ── Ad slots ── */
.ad-slot{text-align:center;overflow:hidden}
.ad-slot--top{padding:16px 0 8px;min-height:90px}
.ad-slot--mid{padding:32px 16px;min-height:280px;display:flex;align-items:center;justify-content:center;background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.ad-slot--bottom{padding:16px 0 8px;min-height:90px}

/* ── Content sections ── */
.content-section{padding:64px 0;border-top:1px solid var(--line)}
.content-section h2{font-size:clamp(1.4rem,2.5vw,2rem);font-weight:700;letter-spacing:-.03em;margin-bottom:14px;color:var(--primary)}
.content-section h3{font-size:1rem;font-weight:700;margin:22px 0 8px;color:var(--primary)}
.content-section p{color:var(--muted);margin-bottom:12px;max-width:780px;font-size:.93rem}

/* ── FAQ ── */
.faq-list{max-width:780px}
.faq-item{border-bottom:1px solid var(--line);padding:16px 0}
.faq-item:last-child{border-bottom:none}
.faq-q{font-weight:700;cursor:pointer;display:flex;justify-content:space-between;align-items:center;user-select:none;font-size:.93rem;gap:10px}
.faq-q::after{content:"+";font-size:1.1rem;color:var(--accent);flex-shrink:0}
.faq-item.open .faq-q::after{content:"−"}
.faq-a{color:var(--muted);font-size:.88rem;display:none;padding-top:8px;line-height:1.7}
.faq-item.open .faq-a{display:block}

/* ── Related tools grid ── */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:20px}
.related-card{border:1px solid var(--line);border-radius:var(--radius);padding:20px;background:#fff;text-decoration:none;color:var(--ink);transition:all .2s;box-shadow:var(--shadow)}
.related-card:hover{border-color:var(--accent);box-shadow:var(--shadow-hover);transform:translateY(-2px);text-decoration:none}
.related-name{font-size:.95rem;font-weight:700;color:var(--primary);margin-bottom:5px}
.related-desc{font-size:.82rem;color:var(--muted)}

/* ── Footer ── */
footer{background:var(--primary);color:#8899bb;padding:32px 20px 20px}
.footer-inner{max-width:1100px;margin:0 auto}
.footer-top{display:grid;grid-template-columns:200px 1fr;gap:40px;align-items:start;margin-bottom:24px;padding-bottom:20px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand .brand-name{font-size:17px;font-weight:800;color:#fff;margin-bottom:6px}
.footer-brand .brand-name span{color:#93c5fd}
.footer-brand p{font-size:11.5px;line-height:1.6;color:#667799}
.footer-links{display:flex;flex-direction:row;flex-wrap:wrap;align-items:center;gap:4px 0}
.footer-links a{color:#8899bb;text-decoration:none;font-size:12.5px;transition:color .2s;padding:2px 10px;border-left:1px solid rgba(255,255,255,.1)}
.footer-links a:hover{color:#fff}
.footer-links h4{color:#93c5fd;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.7px;margin-right:12px;white-space:nowrap;padding-right:12px;border-right:1px solid rgba(255,255,255,.2);min-width:90px}
.footer-cols{display:flex;flex-direction:column;gap:10px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;font-size:12px}
.footer-disclaimer{font-size:11px;color:#4a5568;margin-bottom:16px;line-height:1.6}

/* ── Pill tabs (freq-tabs / ftab) ── */
.freq-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.ftab{padding:7px 16px;border-radius:var(--pill);border:1.5px solid var(--line);background:var(--bg-soft);color:var(--muted);font-size:.84rem;font-weight:600;cursor:pointer;transition:background .15s,color .15s,border-color .15s;white-space:nowrap;font-family:inherit}
.ftab:hover{border-color:var(--accent);color:var(--accent)}
.ftab.active{background:var(--primary);color:#fff;border-color:var(--primary)}

/* ── Example cards grid ── */
.example-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;margin-top:20px}
.example-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;box-shadow:var(--shadow)}
.example-card h3{font-size:.95rem;font-weight:700;color:var(--primary);margin-bottom:12px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.example-row{display:flex;justify-content:space-between;align-items:baseline;gap:8px;padding:5px 0;border-bottom:1px solid #f0f4f8;font-size:.84rem}
.example-row:last-child{border-bottom:none}
.er-label{color:var(--muted);flex:1}
.er-value{font-weight:600;color:var(--ink);text-align:right;white-space:nowrap}
.example-row.highlight{margin-top:6px;padding-top:8px;border-top:2px solid var(--accent-light);border-bottom:none}
.example-row.highlight .er-label,.example-row.highlight .er-value{font-weight:700;color:var(--primary);font-size:.93rem}

/* ── Responsive ── */
@media(max-width:980px){
  .layout{grid-template-columns:1fr}
  .field-grid{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .nav-links{display:flex;flex-direction:column;position:absolute;top:58px;left:0;right:0;background:var(--nav-bg);padding:0 12px;gap:2px;z-index:99;max-height:0;overflow:hidden;transition:max-height .3s ease,padding .3s ease}
  .nav-links.open{max-height:500px;padding:12px}
  .nav-toggle{display:block}
  .hero{padding:52px 0 40px}
  .footer-top{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;text-align:center}
  .footer-cols{gap:24px}
}
@media(max-width:600px){
  .card{padding:20px}
  .related-grid{grid-template-columns:1fr}
  .ftab{font-size:.78rem;padding:6px 12px}
}