/* ==========================================================================
   BirminghamBoilerRepair.co.uk — site.css
   Sibling brand to Synergy Gas & Plumbing: shares navy/mono DNA, but carries
   its own ember-red urgency accent and pilot-blue trust accent so the two
   properties read as related, not identical. All text meets WCAG AA.
   ========================================================================== */

:root{
  /* --- text --- */
  --ink:#0E1B26;          /* body text on white       — 16.4:1 */
  --ink-soft:#3A4B58;     /* secondary text on white  —  8.1:1 */
  --muted:#4C5D69;

  /* --- brand: sampled directly from the supplied logo files --- */
  --navy:#143254;
  --navy-2:#1C4066;

  /* --- brand orange (from logo flame) --- */
  --ember:#DD6421;        /* true logo orange — decorative fills, icons, logo — never small text */
  --ember-btn:#C05018;    /* button fill — white text 4.8:1 */
  --ember-text:#9E4310;   /* readable orange for text — 5.8:1 on white */
  --ember-dark:#7F370D;

  /* --- brand light blue (from logo flame) --- */
  --pilot:#206C8E;        /* darker derivative for links/trust text on white — 5.9:1 */
  --pilot-light:#57A5D1;  /* true logo light blue — accents on navy — 4.8:1 */
  --safe:#1A6B3F;


  /* --- surfaces: cool frost, not cream — fits the subject --- */
  --paper:#FFFFFF;
  --frost:#F2F6F8;
  --frost-2:#E7EEF1;
  --line:#CBD8DF;
  --line-soft:#DEE7EA;

  --wrap:1180px;
  --gut:clamp(1.15rem,4vw,2.5rem);
  --r:6px;
  --shadow:0 1px 2px rgba(14,27,38,.06),0 10px 28px -14px rgba(14,27,38,.30);
  --shadow-lg:0 24px 60px -30px rgba(14,36,56,.55);

  --display:'Archivo',system-ui,-apple-system,'Segoe UI',sans-serif;
  --body:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,'SF Mono',Menlo,monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation-duration:.001ms!important;transition-duration:.001ms!important}
}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--body);font-size:1.09rem;line-height:1.65;
  -webkit-font-smoothing:antialiased;
  padding-bottom:64px; /* space for sticky mobile bar */
}
img{max-width:100%;height:auto;display:block}
a{color:var(--pilot);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{color:var(--ember-text)}
:focus-visible{outline:3px solid var(--ember-text);outline-offset:2px;border-radius:3px}

h1,h2,h3,h4{font-family:var(--display);font-weight:800;line-height:1.1;letter-spacing:-.02em;margin:0 0 .5em;color:var(--ink)}
h1{font-size:clamp(2.2rem,5.4vw,3.6rem);letter-spacing:-.03em}
h2{font-size:clamp(1.6rem,3.2vw,2.25rem)}
h3{font-size:clamp(1.18rem,2vw,1.4rem);letter-spacing:-.01em}
h4{font-size:1.02rem}
p{margin:0 0 1.1em}
ul,ol{margin:0 0 1.2em;padding-left:1.2em}
li{margin-bottom:.45em}

.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gut)}
.narrow{max-width:68ch}
.skip{position:absolute;left:-9999px;top:0;background:var(--ember-btn);color:#fff;padding:.75rem 1.1rem;z-index:999;font-weight:700}
.skip:focus{left:0}

/* --- eyebrow --- */
.tag{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;font-weight:600;color:var(--ember-text);display:inline-flex;align-items:center;gap:.55rem;margin-bottom:.85rem}
.tag::before{content:"";width:22px;height:3px;background:var(--ember);flex:none;border-radius:2px}
.tag--light{color:var(--pilot-light)}
.tag--light::before{background:var(--pilot-light)}
.tag--pilot{color:var(--pilot)}
.tag--pilot::before{background:var(--pilot)}

/* --- powered-by strip --- */
.poweredby{background:var(--navy);color:#D8E6EF;font-family:var(--mono);font-size:.78rem}
.poweredby .wrap{display:flex;gap:1.1rem;align-items:center;justify-content:space-between;min-height:40px;flex-wrap:wrap}
.poweredby a{color:#fff;text-decoration:none;font-weight:600}
.poweredby a:hover{color:var(--pilot-light);text-decoration:underline}
.poweredby__badge{background:rgba(255,255,255,.14);padding:.2rem .55rem;border-radius:3px;color:#fff}

/* --- header --- */
.hdr{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line)}
.hdr .wrap{display:flex;align-items:center;gap:1rem;min-height:78px;max-width:none}
.brand{display:flex;align-items:center;gap:.7rem;text-decoration:none;margin-right:auto}
.brand__mark{width:46px;height:46px;flex:none;object-fit:contain}
.brand__txt{font-family:var(--display);font-weight:800;font-size:1.02rem;line-height:1.15;color:var(--ink);letter-spacing:-.02em}
.brand__txt b{color:var(--ember-text)}
.brand__txt span{display:block;font-family:var(--mono);font-size:.64rem;font-weight:600;letter-spacing:.08em;color:var(--muted);text-transform:uppercase;margin-top:3px}

/* --- header trust strip (Gas Safe / Insured / Pricing / Local) --- */
.hdr__trust{background:var(--frost);border-bottom:1px solid var(--line)}
.hdr__trust .wrap{display:flex;gap:2rem;min-height:38px;align-items:center;justify-content:center;flex-wrap:wrap;font-family:var(--mono);font-size:.72rem;letter-spacing:.03em;color:var(--ink-soft);text-transform:uppercase}
.hdr__trust span{display:inline-flex;align-items:center;gap:.4rem}
.hdr__trust span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--ember)}
@media (max-width:820px){.hdr__trust{display:none}}

.nav{display:flex;align-items:center;gap:.15rem}
.nav a{font-family:var(--display);font-weight:600;font-size:.87rem;color:var(--ink);text-decoration:none;padding:.6rem .55rem;border-radius:var(--r);white-space:nowrap}
.nav a:hover,.nav a[aria-current="page"]{background:var(--frost);color:var(--ember-text)}
.hdr__cta{display:flex;align-items:center;gap:.5rem}
.navtoggle{display:none;background:none;border:1px solid var(--line);border-radius:var(--r);padding:.5rem .6rem;font-size:1.1rem;cursor:pointer}
.navtoggle[aria-expanded="true"]{background:var(--frost);border-color:var(--ember)}

/* --- mobile nav panel --- */
.mobilenav{display:none;background:#fff;border-bottom:1px solid var(--line)}
.mobilenav.is-open{display:block}
.mobilenav .wrap{padding-block:.6rem 1rem}
.mobilenav a{display:block;font-family:var(--display);font-weight:600;font-size:1.02rem;color:var(--ink);text-decoration:none;padding:.8rem .2rem;border-bottom:1px solid var(--line-soft)}
.mobilenav a:last-of-type{border-bottom:0}
.mobilenav a[aria-current="page"]{color:var(--ember-text)}
.mobilenav__cta{display:flex;gap:.6rem;margin-top:.9rem}

/* --- buttons --- */
.btn{font-family:var(--display);font-weight:700;font-size:.95rem;display:inline-flex;align-items:center;gap:.5rem;padding:.8rem 1.25rem;border-radius:var(--r);text-decoration:none;border:2px solid transparent;cursor:pointer;line-height:1.2}
.btn--primary{background:var(--ember-btn);color:#fff}
.btn--primary:hover{background:var(--ember-dark);color:#fff}
.btn--ghost{background:#fff;color:var(--navy);border-color:var(--navy)}
.btn--ghost:hover{background:var(--navy);color:#fff}
.btn--ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn--ghost-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}
.btn--sm{padding:.55rem .9rem;font-size:.85rem}
.btn--block{width:100%;justify-content:center}

/* --- sticky mobile call/book bar --- */
.mbar{position:fixed;left:0;right:0;bottom:0;z-index:90;display:none;background:var(--navy);box-shadow:0 -6px 20px rgba(0,0,0,.18)}
.mbar__row{display:flex}
.mbar a{flex:1;text-align:center;padding:.95rem .5rem;font-family:var(--display);font-weight:700;font-size:.92rem;text-decoration:none;color:#fff;display:flex;align-items:center;justify-content:center;gap:.4rem}
.mbar a:first-child{background:var(--ember-btn)}
.mbar a:last-child{background:var(--navy-2)}
@media (max-width:820px){
  .mbar{display:block}
  .nav{display:none}
  .navtoggle{display:inline-flex}
  .hdr__cta .btn--ghost{display:none}
}

/* --- floating WhatsApp button, every page --- */
.wa-float{position:fixed;right:1.1rem;bottom:1.3rem;z-index:95;width:56px;height:56px;border-radius:50%;background:#25D366;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 18px rgba(0,0,0,.28);text-decoration:none;transition:transform .15s ease}
.wa-float:hover{transform:scale(1.06)}
.wa-float svg{width:30px;height:30px}
@media (max-width:820px){
  .wa-float{bottom:calc(64px + 1rem);right:.9rem;width:50px;height:50px}
  .wa-float svg{width:26px;height:26px}
}

/* --- hero --- */
.hero{background:linear-gradient(180deg,var(--navy) 0%,var(--navy-2) 100%);color:#fff;position:relative;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(1.5rem,4vw,3.5rem);align-items:center;padding-block:clamp(2.6rem,6vw,5rem)}
.hero h1{color:#fff;margin-bottom:.55rem}
.hero__lede{font-size:1.18rem;color:#CFE0EA;max-width:52ch;margin-bottom:1.6rem}
.hero__ctas{display:flex;gap:.75rem;flex-wrap:wrap;margin-bottom:1.7rem}
.hero__proof{display:flex;gap:1.4rem;flex-wrap:wrap;font-family:var(--mono);font-size:.8rem;color:#B9CCD8}
.hero__proof strong{color:#fff;font-family:var(--display);display:block;font-size:1.25rem;font-weight:800}
/* --- hero quick-enquiry form (lead capture, front and centre) --- */
.hero__form{background:#fff;border-radius:14px;box-shadow:var(--shadow-lg);padding:1.6rem 1.6rem 1.7rem;color:var(--ink)}
.hero__form h3{font-size:1.15rem;margin-bottom:.2rem}
.hero__form .sub{color:var(--ink-soft);font-size:.88rem;margin-bottom:1.1rem}
.hero__form label{display:block;font-weight:600;font-size:.85rem;margin-bottom:.3rem}
.hero__form input,.hero__form textarea{width:100%;padding:.75rem .8rem;border:1px solid var(--line);border-radius:7px;font-family:var(--body);font-size:.95rem;margin-bottom:.9rem}
.hero__form input:focus,.hero__form textarea:focus{outline:2px solid var(--ember);border-color:var(--ember)}
.hero__form textarea{resize:vertical;min-height:64px}
.hero__form button{width:100%;font-size:1rem;padding:.9rem}
.hero__form .reassure{margin-top:.8rem;font-size:.78rem;color:var(--muted);text-align:center}
.hero__form .or{text-align:center;font-family:var(--mono);font-size:.72rem;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;margin:.9rem 0}
.hero__form select{width:100%;padding:.75rem .8rem;border:1px solid var(--line);border-radius:7px;font-family:var(--body);font-size:.95rem;margin-bottom:.9rem;background:#fff;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%234C5D69' stroke-width='1.6' fill='none'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .9rem center}
.hero__form select:focus{outline:2px solid var(--ember);border-color:var(--ember)}
.hf-other-wrap{display:none}
.hf-other-wrap.is-visible{display:block}

/* --- site-wide quick-contact strip, every page, before the footer --- */
.sitecontact{background:var(--frost);border-top:1px solid var(--line)}
.sitecontact .wrap{display:grid;grid-template-columns:1fr .85fr;gap:2.4rem;align-items:start;padding-block:clamp(2.2rem,4vw,3.4rem)}
.sitecontact__hours{display:flex;flex-direction:column;gap:.9rem}
.sitecontact__hours .badge{display:inline-flex;align-items:center;gap:.5rem;background:var(--ember-btn);color:#fff;font-family:var(--mono);font-size:.72rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:.4rem .8rem;border-radius:20px;width:fit-content}
.sitecontact__hours dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:.4rem 1rem;font-size:.94rem}
.sitecontact__hours dt{font-family:var(--display);font-weight:700;color:var(--ink)}
.sitecontact__hours dd{margin:0;color:var(--ink-soft)}
.sitecontact__form{background:#fff;border:1px solid var(--line);border-radius:12px;padding:1.4rem 1.5rem}
.sitecontact__form h3{font-size:1.05rem;margin-bottom:1rem}
.sitecontact__form label{display:block;font-weight:600;font-size:.83rem;margin-bottom:.3rem}
.sitecontact__form input,.sitecontact__form select,.sitecontact__form textarea{width:100%;padding:.65rem .75rem;border:1px solid var(--line);border-radius:7px;font-family:var(--body);font-size:.92rem;margin-bottom:.8rem}
.sitecontact__form select{appearance:none;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%234C5D69' stroke-width='1.6' fill='none'/%3E%3C/svg%3E") no-repeat right .9rem center}
.sitecontact__form input:focus,.sitecontact__form select:focus,.sitecontact__form textarea:focus{outline:2px solid var(--ember);border-color:var(--ember)}
.sitecontact__form button{width:100%}
@media (max-width:860px){.sitecontact .wrap{grid-template-columns:1fr}}
@media (max-width:900px){
  .hero .wrap{grid-template-columns:1fr}
  .hero__form{order:-1}
}

/* --- reusable photo card (used in the trust section, moved off the hero) --- */
.figure-card{position:relative;border-radius:14px;overflow:hidden;box-shadow:var(--shadow)}
.figure-card img{width:100%;height:100%;object-fit:cover}
.figure-card figcaption{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(0deg,rgba(14,27,38,.85),transparent);color:#fff;padding:.9rem 1rem .7rem;font-family:var(--mono);font-size:.72rem;letter-spacing:.04em}

/* --- sections --- */
.sec{padding-block:clamp(2.4rem,5vw,4.4rem)}
.sec--frost{background:var(--frost)}
.sec--navy{background:var(--navy);color:#fff}
.sec--navy h2{color:#fff}
.sec__head{max-width:62ch;margin-bottom:2rem}
.sec__head h2{margin-bottom:.5rem}
.sec__head p{color:var(--ink-soft);font-size:1.05rem}

/* --- problem/solution flow --- */
.flow{display:grid;gap:1rem;grid-template-columns:repeat(4,1fr);counter-reset:flow}
.flow__step{background:#fff;border:1px solid var(--line);border-radius:10px;padding:1.4rem 1.2rem;position:relative}
.flow__step::before{counter-increment:flow;content:counter(flow);font-family:var(--mono);font-size:.75rem;font-weight:700;color:#fff;background:var(--ember-btn);width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin-bottom:.9rem}
.flow__step h4{margin-bottom:.35rem}
.flow__step p{color:var(--ink-soft);font-size:.94rem;margin:0}
@media (max-width:900px){.flow{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.flow{grid-template-columns:1fr}}

/* --- trust strip --- */
.trust{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem}
.trust__item{display:flex;gap:.75rem;align-items:flex-start}
.trust__icon{width:40px;height:40px;border-radius:8px;background:var(--pilot);color:#fff;display:flex;align-items:center;justify-content:center;flex:none;font-weight:800;font-family:var(--display)}
.trust__item h4{margin-bottom:.15rem;font-size:.98rem}
.trust__item p{margin:0;color:var(--ink-soft);font-size:.88rem}
@media (max-width:900px){.trust{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.trust{grid-template-columns:1fr}}

/* --- reviews --- */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:1.1rem}
.quote{background:#fff;border:1px solid var(--line);border-left:4px solid var(--ember);border-radius:8px;padding:1.3rem 1.3rem 1.1rem;margin:0}
.quote .stars{color:var(--ember-text);font-size:.95rem;letter-spacing:.1em;margin-bottom:.6rem}
.quote blockquote{margin:0 0 .8rem;font-size:.97rem;color:var(--ink)}
.quote cite{font-family:var(--mono);font-style:normal;font-size:.78rem;color:var(--muted)}
@media (max-width:900px){.quotes{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.quotes{grid-template-columns:1fr}}

/* --- job ticket / case study cards (signature element) --- */
.tickets{display:grid;grid-template-columns:repeat(2,1fr);gap:1.1rem}
.ticket{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;box-shadow:var(--shadow)}
.ticket__strip{background:var(--navy);color:#fff;padding:.65rem 1rem;display:flex;justify-content:space-between;align-items:center;font-family:var(--mono);font-size:.72rem;letter-spacing:.05em;text-transform:uppercase}
.ticket__strip span:last-child{color:var(--pilot-light)}
.ticket__body{padding:1.2rem 1.3rem 1.4rem}
.ticket__body h3{margin-bottom:.6rem;font-size:1.08rem}
.ticket__row{display:flex;gap:.6rem;font-size:.9rem;margin-bottom:.55rem;padding-bottom:.55rem;border-bottom:1px dashed var(--line-soft)}
.ticket__row:last-of-type{border-bottom:0;margin-bottom:.8rem;padding-bottom:0}
.ticket__row b{font-family:var(--mono);font-size:.68rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);flex:0 0 92px}
.ticket__row span{color:var(--ink-soft)}
@media (max-width:820px){.tickets{grid-template-columns:1fr}}

/* --- pricing --- */
.price{background:#fff;border:1px solid var(--line);border-radius:10px;padding:1.4rem;text-align:center}
.price__num{font-family:var(--display);font-weight:800;font-size:2.4rem;color:var(--ember-text);margin-bottom:.15rem}
.price__num span{font-size:1rem;color:var(--muted);font-weight:600}
.price h4{margin-bottom:.5rem}
.price p{color:var(--ink-soft);font-size:.88rem;margin:0}

/* --- FAQ --- */
.faq details{background:#fff;border:1px solid var(--line);border-radius:8px;margin-bottom:.7rem;padding:1rem 1.2rem}
.faq summary{font-family:var(--display);font-weight:700;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:1rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.3rem;color:var(--ember-text);flex:none}
.faq details[open] summary::after{content:"–"}
.faq p{margin:.8rem 0 0;color:var(--ink-soft)}

/* --- footer --- */
.ftr{background:var(--navy);color:#B9CCD8;padding-block:2.6rem 1.4rem}
.ftr__logo{height:44px;margin-bottom:1rem}
.ftr .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:2rem}
.ftr h4{color:#fff;font-size:.85rem;text-transform:uppercase;letter-spacing:.06em;font-family:var(--mono);margin-bottom:.9rem}
.ftr a{color:#B9CCD8;text-decoration:none;display:block;margin-bottom:.5rem;font-size:.92rem}
.ftr a:hover{color:#fff}
.ftr__brand p{color:#B9CCD8;font-size:.9rem;max-width:34ch}
.ftr__bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:2rem;padding-top:1.2rem;font-size:.78rem;color:#8CA3B1;display:flex;justify-content:space-between;flex-wrap:wrap;gap:.6rem}
.ftr__areas{border-top:1px solid rgba(255,255,255,.14);margin-top:1.8rem;padding-top:1.4rem;font-size:.85rem}
.ftr__areas span{color:#8CA3B1;font-family:var(--mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.05em;margin-right:.9rem}
.ftr__areas a{display:inline;margin-right:1.1rem;margin-bottom:0}
@media (max-width:820px){.ftr .wrap{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.ftr .wrap{grid-template-columns:1fr}}

/* --- generic content page --- */
.pagehead{background:var(--navy);color:#fff;padding-block:2.4rem}
.pagehead h1{color:#fff;margin-bottom:.4rem}
.pagehead p{color:#CFE0EA;max-width:60ch;margin:0}
.crumbs{font-family:var(--mono);font-size:.75rem;color:#9FB6C4;margin-bottom:.9rem}
.crumbs a{color:#9FB6C4}
.content h2{margin-top:2rem}
.content ul li{color:var(--ink-soft)}
.two-col{display:grid;grid-template-columns:1.4fr .9fr;gap:2.5rem}
@media (max-width:900px){.two-col{grid-template-columns:1fr}}
.sidebar{background:var(--frost);border:1px solid var(--line);border-radius:10px;padding:1.4rem}
.sidebar h4{margin-bottom:.8rem}
.sidebar .btn{margin-bottom:.6rem}

/* --- link grid (hub pages linking to fault/brand pages) --- */
.linkgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:.9rem}
.linkgrid a{display:block;background:#fff;border:1px solid var(--line);border-radius:8px;padding:1rem 1.1rem;text-decoration:none;color:var(--ink);font-family:var(--display);font-weight:700;font-size:.96rem}
.linkgrid a:hover{border-color:var(--ember);color:var(--ember-text)}
.linkgrid a small{display:block;font-family:var(--body);font-weight:400;color:var(--ink-soft);font-size:.82rem;margin-top:.3rem}
@media (max-width:820px){.linkgrid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.linkgrid{grid-template-columns:1fr}}

/* --- error code table --- */
.codetable{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.codetable th,.codetable td{text-align:left;padding:.7rem .9rem;border-bottom:1px solid var(--line-soft);font-size:.92rem}
.codetable th{background:var(--frost);font-family:var(--display);font-weight:700;font-size:.8rem;text-transform:uppercase;letter-spacing:.04em}
.codetable tr:last-child td{border-bottom:0}
.codetable td:first-child{font-family:var(--mono);font-weight:600;color:var(--ember-text);white-space:nowrap}

/* --- brand grid (14 brands overview page) --- */
.brandgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:.8rem}
.brandcard{background:#fff;border:1px solid var(--line);border-radius:8px;padding:1.1rem 1rem;text-align:center}
.brandcard a{font-family:var(--display);font-weight:700;font-size:.98rem;color:var(--ink);text-decoration:none;display:block}
.brandcard a:hover{color:var(--ember-text)}
.brandcard span{font-family:var(--display);font-weight:700;font-size:.98rem;color:var(--ink);display:block}
.brandcard small{display:block;font-family:var(--mono);font-size:.66rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin-top:.4rem}
.brandcard--specialist{border-color:var(--ember);background:#FDF4F1}
@media (max-width:820px){.brandgrid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:560px){.brandgrid{grid-template-columns:1fr 1fr}}

/* --- boiler problem finder --- */
.pf-option{background:#fff;border:1px solid var(--line);border-radius:10px;margin-bottom:.85rem;overflow:hidden}
.pf-option summary{font-family:var(--display);font-weight:700;font-size:1.05rem;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:1.1rem 1.3rem;background:#fff}
.pf-option summary::-webkit-details-marker{display:none}
.pf-option summary::after{content:"Select +";font-family:var(--mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.04em;color:var(--ember-text);flex:none;border:1px solid var(--line);border-radius:20px;padding:.3rem .7rem}
.pf-option[open] summary::after{content:"Close –"}
.pf-option[open] summary{border-bottom:1px solid var(--line-soft)}
.pf-option__body{padding:1.2rem 1.3rem 1.4rem;background:var(--frost)}
.pf-option__body h4{font-size:.85rem;text-transform:uppercase;letter-spacing:.04em;font-family:var(--mono);color:var(--muted);margin-bottom:.5rem;margin-top:1rem}
.pf-option__body h4:first-child{margin-top:0}
.pf-option__body ul{margin-bottom:0}
.pf-option__cta{margin-top:1.1rem;display:flex;gap:.6rem;flex-wrap:wrap}