/* ── BidWriters.co.uk — flat, light, Plus Jakarta Sans ≤600 ─────────── */
:root{
  --ink:#16201e;
  --body:#3c4744;
  --muted:#67726f;
  --accent:#0f766e;
  --accent-dark:#0a5a54;
  --accent-tint:#e6f1ef;
  --paper:#ffffff;
  --wash:#f6f8f7;
  --line:#e1e7e5;
  --dark:#0d2f2a;
  --dark-text:#bfd2cd;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:"Plus Jakarta Sans",system-ui,sans-serif;font-size:16.5px;line-height:1.65;color:var(--body);background:var(--paper)}
h1,h2,h3,h4{color:var(--ink);font-weight:600;line-height:1.25;margin:0 0 14px;text-wrap:pretty}
h1{font-size:clamp(32px,4.2vw,44px);letter-spacing:-0.5px;line-height:1.15}
h2{font-size:26px;letter-spacing:-0.2px;margin-top:44px}
h3{font-size:19px;margin-top:30px}
p{margin:0 0 16px}
b,strong{font-weight:600;color:var(--ink)}
a{color:var(--accent);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--accent-dark)}
img,svg{vertical-align:middle}
[id]{scroll-margin-top:24px}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:10px 16px;z-index:99}
.skip:focus{left:0}
.eyebrow{display:block;font-size:13px;font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--accent);margin:0 0 10px}
.lead{font-size:19px;line-height:1.6;color:var(--body)}
.muted{color:var(--muted)}
.small{font-size:14px}

/* Buttons — flat, no movement */
.btn{display:inline-block;background:var(--accent);color:#fff;font-weight:600;font-size:15.5px;line-height:1;padding:14px 24px;border:1px solid var(--accent);border-radius:4px;text-decoration:none;cursor:pointer;font-family:inherit}
.btn:hover{background:var(--accent-dark);border-color:var(--accent-dark);color:#fff}
.btn-outline{background:transparent;color:var(--accent)}
.btn-outline:hover{background:var(--accent-tint);color:var(--accent-dark)}
.btn-row{display:flex;gap:14px;flex-wrap:wrap;align-items:center;margin:26px 0 0}

/* Top bar */
.topbar{background:var(--dark);color:var(--dark-text);font-size:13.5px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:16px;padding-top:8px;padding-bottom:8px}
.topbar a{color:#fff;text-decoration:none;display:inline-flex;align-items:center;gap:7px;font-weight:500}
.topbar a:hover{text-decoration:underline}
.topbar-links{display:flex;gap:22px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
@media (max-width:640px){.topbar-email{display:none}}
.topbar-tag{margin:0}

/* Header / nav */
.header{border-bottom:1px solid var(--line);background:var(--paper);position:sticky;top:0;z-index:50}
.header .wrap{display:flex;align-items:center;gap:34px;padding-top:18px;padding-bottom:18px}
.brand{display:inline-flex;align-items:center;font-size:22px;font-weight:600;letter-spacing:-0.3px;color:var(--ink);text-decoration:none;white-space:nowrap}
.brand-mark{width:22px;height:22px;display:inline-block;margin-right:10px;flex:none}
.brand-tld{color:var(--accent);font-weight:600}
.footer .brand-tld,.brand--dark .brand-tld{color:#4cb8ae}
.nav{margin-left:auto}
.nav > ul{list-style:none;margin:0;padding:0;display:flex;gap:26px;align-items:center}
.nav a{color:var(--ink);text-decoration:none;font-size:15.5px;font-weight:500;display:inline-flex;align-items:center;gap:5px}
.nav a:hover{color:var(--accent)}
.nav li{position:relative}
.nav .dropdown{display:none;position:absolute;top:100%;left:-16px;background:var(--paper);border:1px solid var(--line);min-width:264px;padding:8px 0;margin:0;list-style:none;z-index:60}
.nav li:hover > .dropdown,.nav li:focus-within > .dropdown{display:block}
.nav .dropdown a{display:block;padding:9px 18px;font-weight:400;font-size:15px}
.nav .dropdown a:hover{background:var(--wash);color:var(--accent-dark)}
.nav .caret{width:9px;height:9px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translateY(-2px)}
.header-cta{white-space:nowrap;padding:12px 20px}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:4px;padding:9px 11px;cursor:pointer;color:var(--ink)}

/* Breadcrumbs */
.crumbs{font-size:13.5px;color:var(--muted);padding:16px 0 0}
.crumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.crumbs li+li::before{content:"/";margin-right:6px;color:#b6c0bd}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--accent);text-decoration:underline}
.crumbs [aria-current]{color:var(--ink)}

/* Two-column layout with sticky form rail */
.layout{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:56px;align-items:start;padding-top:36px;padding-bottom:72px}
.content > :first-child{margin-top:0}
.rail{position:sticky;top:88px;max-height:calc(100vh - 104px);overflow-y:auto;overflow-x:hidden}

/* Callback form */
.form-card{background:var(--paper);border:1px solid var(--line);border-top:3px solid var(--accent);padding:26px 26px 24px}
.form-card h2{font-size:20px;margin:0 0 6px}
.form-card .form-sub{font-size:14.5px;color:var(--muted);margin:0 0 18px}
.field{margin:0 0 14px}
.field label{display:block;font-size:14px;font-weight:500;color:var(--ink);margin:0 0 5px}
.field input,.field select,.field textarea{width:100%;border:1px solid #cdd6d3;border-radius:4px;background:#fff;padding:10px 12px;font:inherit;font-size:15px;color:var(--ink)}
.field textarea{min-height:84px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--accent);outline-offset:-1px;border-color:var(--accent)}
.req{color:var(--accent)}
.form-card .btn{width:100%;text-align:center;margin-top:4px}
.consent{font-size:12.5px;color:var(--muted);margin:12px 0 0;line-height:1.5}
.form-thanks{text-align:left}
.form-thanks .tick-big{width:44px;height:44px;color:var(--accent);margin-bottom:12px}

/* Green rail form — stands out against white inner pages */
.rail .form-card{background:var(--dark);border-top-color:var(--accent)}
.rail .form-card h2{color:#fff}
.rail .form-card .form-sub{color:var(--dark-text)}
.rail .form-card .field label{color:#fff}
.rail .form-card .req{color:#7fd0c7}
.rail .form-card .consent{color:#9fb8b2}
.rail .form-card .consent a{color:#fff}
.rail .form-card .form-thanks h2{color:#fff}
.rail .form-card .form-thanks p{color:var(--dark-text)}
.rail .form-card .form-thanks p a{color:#fff}
.rail .form-card .form-thanks .tick-big{color:#7fd0c7}

/* Value-prop mini cards (homepage proof band) */
.value-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:24px 0 0}
.value-cards .vc{border:1px solid var(--line);padding:20px}
.value-cards .vc h3{font-size:16px;margin:0 0 6px}
.value-cards .vc p{font-size:14px;margin:0;color:var(--muted)}
.value-cards .vc .icon{color:var(--accent);display:block;margin-bottom:8px}

/* Downloads / templates */
.dl-card{border:1px solid var(--line);padding:24px;display:flex;flex-direction:column;gap:8px}
.dl-card .icon{color:var(--accent)}
.dl-card h3{margin:0;font-size:17px}
.dl-card p{margin:0;font-size:14.5px;color:var(--muted);flex:1}
.tmpl-toolbar{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin:0 0 22px}
.tmpl-sheet{border:1px solid var(--line);padding:32px 34px;margin:0 0 24px}
.tmpl-sheet h2{margin-top:28px}
.tmpl-sheet h2:first-child{margin-top:0}
.fill-line{border-bottom:1px solid #c2ccc9;min-height:24px;margin:6px 0}
.score-table td input,.score-table td{vertical-align:middle}
@media print{
  .topbar,.header,.crumbs,.footer,.callbar,.skip,.tmpl-toolbar,.cta-band,.rail{display:none!important}
  body{padding:0}
  .layout{display:block;padding:0}
  .tmpl-sheet{border:none;padding:0}
  .wrap{max-width:none;padding:0 12mm}
  a{color:var(--ink);text-decoration:none}
}

/* Tick lists */
ul.ticks{list-style:none;margin:0 0 18px;padding:0}
ul.ticks li{padding:7px 0 7px 32px;position:relative}
ul.ticks li::before{content:"";position:absolute;left:0;top:11px;width:18px;height:18px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230f766e' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 12.5l5 5L20 6.5'/%3E%3C/svg%3E") no-repeat center/contain}
.ticks-2col{columns:2;column-gap:32px}
.ticks-2col li{break-inside:avoid}

/* Cards */
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(245px,1fr));gap:18px;margin:24px 0}
.card{border:1px solid var(--line);background:var(--paper);padding:24px;display:flex;flex-direction:column;gap:10px}
.card:hover{border-color:var(--accent)}
.card .icon{color:var(--accent)}
.card h3{font-size:17px;margin:0}
.card p{font-size:14.5px;margin:0;color:var(--muted);flex:1}
.card .card-link{font-size:14.5px;font-weight:500;text-decoration:none}
.card .card-link:hover{text-decoration:underline}
a.card-wrap{text-decoration:none;color:inherit}

/* Steps */
ol.steps{list-style:none;counter-reset:step;margin:24px 0;padding:0}
ol.steps li{counter-increment:step;position:relative;padding:0 0 26px 56px}
ol.steps li::before{content:counter(step,decimal-leading-zero);position:absolute;left:0;top:1px;width:38px;height:38px;background:var(--accent-tint);color:var(--accent-dark);font-weight:600;font-size:14px;display:flex;align-items:center;justify-content:center}
ol.steps li h3{margin:6px 0 6px;font-size:17px}
ol.steps li p{margin:0;font-size:15.5px}

/* Tables */
.table-scroll{overflow-x:auto;margin:24px 0}
table.tbl{width:100%;border-collapse:collapse;font-size:15px}
table.tbl th{background:var(--wash);text-align:left;font-weight:600;color:var(--ink)}
table.tbl th,table.tbl td{border:1px solid var(--line);padding:10px 14px;vertical-align:top}
.tbl-caption{font-size:13.5px;color:var(--muted);margin:8px 0 0}

/* TOC */
.toc{border:1px solid var(--line);background:var(--wash);padding:22px 26px;margin:28px 0}
.toc h2{font-size:16px;margin:0 0 10px}
.toc ol{margin:0;padding-left:20px;columns:2;column-gap:36px;font-size:15px}
.toc li{margin:0 0 7px;break-inside:avoid}
.toc a{text-decoration:none}
.toc a:hover{text-decoration:underline}

/* Note / callout — flat, full border */
.note{border:1px solid var(--line);background:var(--wash);padding:18px 22px;margin:24px 0;font-size:15.5px}
.note p:last-child{margin-bottom:0}

/* Proof slots — clearly-marked placeholders */
.slot{border:1.5px dashed #b3c0bc;background:var(--wash);padding:22px 24px;margin:24px 0;color:var(--muted);font-size:14.5px}
.slot .slot-label{display:block;font-size:12px;font-weight:600;letter-spacing:.07em;text-transform:uppercase;color:var(--accent-dark);margin-bottom:6px}
.logo-slots{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:14px;margin:18px 0}
.logo-slot{border:1.5px dashed #b3c0bc;background:var(--wash);height:58px;display:flex;align-items:center;justify-content:center;font-size:12.5px;color:var(--muted)}

/* Bar chart — branded data graphic */
.chart{border:1px solid var(--line);padding:24px 26px;margin:26px 0}
.chart h3{margin:0 0 4px;font-size:16px}
.chart .chart-sub{font-size:13.5px;color:var(--muted);margin:0 0 18px}
.bar-row{display:grid;grid-template-columns:170px 1fr 52px;align-items:center;gap:14px;font-size:14px;margin:0 0 10px}
.bar-row:last-of-type{margin-bottom:0}
.bar{height:20px;background:var(--accent-tint)}
.bar i{display:block;height:100%;background:var(--accent);width:var(--w)}
.bar-val{font-weight:600;color:var(--ink);text-align:right}
.chart-src{font-size:12.5px;color:var(--muted);margin:16px 0 0}

/* FAQ */
.faq{margin-top:48px}
.faq details{border-top:1px solid var(--line)}
.faq details:last-of-type{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:16px 36px 16px 0;font-weight:600;color:var(--ink);font-size:16.5px;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:12px;font-size:22px;font-weight:400;color:var(--accent)}
.faq details[open] summary::after{content:"\2212"}
.faq .faq-a{padding:0 0 18px;font-size:15.5px}
.faq .faq-a p:last-child{margin:0}

/* Hero */
.hero{background:var(--wash);border-bottom:1px solid var(--line)}
.hero .wrap{padding-top:62px;padding-bottom:62px;max-width:1180px}
.hero .lead{max-width:680px;margin-top:18px}
.hero h1{max-width:760px;margin:0}
.hero-points{list-style:none;display:flex;flex-wrap:wrap;gap:8px 28px;margin:30px 0 0;padding:0;font-size:15px;color:var(--ink)}
.hero-points li{display:inline-flex;align-items:center;gap:9px;font-weight:500}
.hero-points svg{color:var(--accent);flex:none}
.hero-banner{max-width:820px}
.form-band .form-card{max-width:660px;margin:0 auto}

/* Hero with embedded form (homepage) */
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 400px;gap:64px;align-items:start;padding-top:56px;padding-bottom:56px}
.hero-grid h1{max-width:none}
.hero-form .form-card{background:var(--paper)}
.hero-call{margin:26px 0 0;font-size:15px}

/* Hero — dark green banner */
.hero{background:var(--dark);border-bottom:none}
.hero .eyebrow{color:#4cb8ae}
.hero h1{color:#fff}
.hero .lead{color:#d5e3df}
.hero-points{color:#fff}
.hero-points svg{color:#4cb8ae}
.hero-call{color:#bfd2cd}
.hero-call a{color:#fff}
.hero-label{font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:#9fb8b2;margin:28px 0 10px;font-weight:600}
.hero-links{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:0;padding:0;list-style:none}
.hero-links a{display:block;text-align:center;border:1px solid rgba(255,255,255,.28);color:#fff;padding:9px 13px;font-size:13.5px;font-weight:500;text-decoration:none}
.hero-links a:hover{border-color:#4cb8ae;color:#7fd0c7}

/* Dark green content band */
.section-dark{background:var(--dark)}
.section-dark h2,.section-dark h3{color:#fff}
.section-dark p{color:#cfdeda}
.section-dark a{color:#7fd0c7}
.section-dark ul.ticks li{color:#e2ecea}
.section-dark ul.ticks li::before{background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234cb8ae' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 12.5l5 5L20 6.5'/%3E%3C/svg%3E") no-repeat center/contain}

/* Uniform card grids */
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card h3 a{color:var(--ink);text-decoration:none}
.card h3 a:hover{color:var(--accent-dark);text-decoration:underline}
.card-sm{padding:18px 20px;gap:6px}
.card-sm h3{font-size:16px}
.card-sm p{font-size:13.5px}

/* Homepage sections */
.section h2{margin-top:0}
.section .lead-sub{max-width:740px}
.split{display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:start}
.narrow{max-width:840px}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:24px 0 0}
.stat-slot{border:1.5px dashed #b3c0bc;background:var(--wash);padding:18px 14px;text-align:center;font-size:13px;color:var(--muted);line-height:1.45}
.stat-slot b{display:block;font-size:21px;color:var(--ink);font-weight:600;margin-bottom:4px}
.t-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:24px 0 0}
.t-grid .slot{margin:0}

/* CTA band */
.cta-band{background:var(--dark);color:var(--dark-text);margin-top:0}
.cta-band .wrap{padding-top:54px;padding-bottom:54px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band h2{color:#fff;margin:0 0 8px;font-size:28px}
.cta-band p{margin:0;max-width:560px}
.cta-band .btn-row{margin:0}
.cta-band .btn-outline{color:#fff;border-color:#fff}
.cta-band .btn-outline:hover{background:rgba(255,255,255,.1);color:#fff}

/* Footer */
.footer{background:var(--dark);color:var(--dark-text);font-size:14.5px}
.footer a{color:var(--dark-text);text-decoration:none}
.footer a:hover{color:#fff;text-decoration:underline}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding:54px 0 40px}
.footer h4{color:#fff;font-size:14px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;margin:0 0 14px}
.footer ul{list-style:none;margin:0;padding:0}
.footer li{margin:0 0 9px}
.footer .brand{color:#fff;font-size:19px;margin-bottom:12px}
.footer .footer-about{font-size:14px;max-width:300px}
.footer-legal{border-top:1px solid rgba(255,255,255,.14);padding:20px 0 26px;font-size:12.5px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}
.footer-locs{border-top:1px solid rgba(255,255,255,.14);padding:22px 0 4px}
.footer-locs h4{color:#fff;font-size:14px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;margin:0 0 12px}
.footer-locs ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px 18px}
.footer-locs li{margin:0}
.footer-legal p{margin:0;max-width:760px}
.footer-legal ul{display:flex;gap:18px;flex-wrap:wrap}
.footer-legal li{margin:0}

/* Sticky mobile call bar */
.callbar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:80;background:var(--dark);border-top:1px solid rgba(255,255,255,.15)}
.callbar a{flex:1;text-align:center;padding:15px 8px;font-weight:600;font-size:15px;text-decoration:none;color:#fff}
.callbar a.callbar-call{background:var(--accent)}

/* Inline icon sizing */
.icon-24{width:24px;height:24px}
.icon-18{width:18px;height:18px}

/* Section spacing on full-width rows */
.section{padding:56px 0}
.section-wash{background:#ecf4f1;border-top:1px solid #d9e7e2;border-bottom:1px solid #d9e7e2}
.section-head{max-width:720px;margin-bottom:8px}
.section .h-row{display:flex;align-items:baseline;justify-content:space-between;gap:24px;flex-wrap:wrap}
.inline-links{display:flex;flex-wrap:wrap;gap:10px 12px;list-style:none;margin:20px 0;padding:0}
.inline-links a{display:inline-block;border:1px solid var(--line);padding:8px 14px;font-size:14.5px;color:var(--ink);text-decoration:none;background:var(--paper)}
.inline-links a:hover{border-color:var(--accent);color:var(--accent-dark)}

/* Glossary */
.gloss-nav{display:flex;flex-wrap:wrap;gap:6px;margin:22px 0 8px;padding:0;list-style:none}
.gloss-nav a{display:inline-flex;align-items:center;justify-content:center;min-width:34px;padding:6px 9px;border:1px solid var(--line);font-size:14px;font-weight:600;color:var(--accent-dark);text-decoration:none}
.gloss-nav a:hover{background:var(--accent-tint)}
.gloss-group{margin:30px 0 0}
.gloss-group > h2{border-bottom:2px solid var(--accent);padding-bottom:6px;margin:0 0 6px;font-size:22px}
.gloss-term{border-bottom:1px solid var(--line);padding:16px 0}
.gloss-term dt{font-weight:600;color:var(--ink);font-size:16.5px;margin:0 0 4px}
.gloss-term dd{margin:0;font-size:15.5px}

/* Responsive */
@media (max-width:980px){
  .layout{grid-template-columns:1fr;gap:40px}
  .rail{position:static}
  .footer-grid{grid-template-columns:1fr 1fr}
  .toc ol{columns:1}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .split{grid-template-columns:1fr;gap:32px}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .t-grid{grid-template-columns:1fr}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .value-cards{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1120px){
  .header-cta{display:none}
  .nav > ul{gap:20px}
}
@media (max-width:860px){
  .nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);margin:0;max-height:calc(100vh - 120px);overflow:auto}
  .header.nav-open .nav{display:block}
  .nav > ul{flex-direction:column;align-items:stretch;gap:0;padding:8px 0}
  .nav > ul > li{border-top:1px solid var(--line)}
  .nav > ul > li:first-child{border-top:0}
  .nav a{padding:13px 24px;display:flex;justify-content:space-between}
  .nav .dropdown{display:block;position:static;border:0;min-width:0;padding:0 0 8px}
  .nav .dropdown a{padding:9px 24px 9px 40px;color:var(--muted)}
  .nav .caret{display:none}
  .nav-toggle{display:inline-flex}
  .topbar .topbar-tag{display:none}
  .topbar .wrap{justify-content:flex-end}
  .callbar{display:flex}
  body{padding-bottom:52px}
  .ticks-2col{columns:1}
  .hero .wrap{padding-top:44px;padding-bottom:44px}
}
@media (max-width:560px){
  .footer-grid{grid-template-columns:1fr}
  .bar-row{grid-template-columns:110px 1fr 44px;font-size:13px}
  .grid-3,.grid-4{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .value-cards{grid-template-columns:1fr}
}