/* Zall & Sons - static site styles. Mobile first. */
:root{
  --blue:#0971ce; --blue-dark:#075aa6; --blue-ink:#063f74;
  --ink:#101828; --ink-2:#475467; --line:#e4e8ee;
  --ground:#f5f7fa; --surface:#fff;
  --ok:#0b7a45;
  --wrap:1120px; --radius:10px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);font-size:17px;line-height:1.6;color:var(--ink);background:var(--surface)}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue-dark)}
h1,h2,h3{line-height:1.2;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:2rem}h2{font-size:1.5rem}h3{font-size:1.125rem}
p{margin:0 0 1em}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding-inline:20px}
.muted{color:var(--ink-2)}
.skip{position:absolute;left:-9999px}
.skip:focus{left:8px;top:8px;background:#fff;padding:10px 14px;z-index:100;border-radius:8px}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px}
.logo{flex:0 0 auto}
.logo img{width:170px;height:auto}
.nav-toggle{width:48px;height:48px;border:1px solid var(--line);border-radius:8px;background:#fff;display:grid;place-content:center;gap:5px;cursor:pointer}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--ink)}
.nav{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);padding:8px 20px 20px;box-shadow:0 12px 24px rgba(16,24,40,.08)}
.nav.open{display:block}
.nav ul{list-style:none;margin:0;padding:0}
.nav ul a{display:block;padding:14px 4px;font-weight:600;color:var(--ink);text-decoration:none;border-bottom:1px solid var(--line);min-height:48px}
.nav ul a[aria-current]{color:var(--blue-dark)}
.nav-actions{display:grid;gap:10px;margin-top:16px}
.nav-actions .phone{text-align:center;font-size:1.25rem;color:var(--ink);text-decoration:none;padding:8px}

/* buttons */
.btn{display:inline-flex;flex-direction:column;align-items:center;justify-content:center;min-height:52px;padding:12px 22px;border-radius:var(--radius);font-weight:700;text-decoration:none;text-align:center;border:2px solid transparent;font-size:1.0625rem}
.btn-primary{background:var(--blue);color:#fff;border-color:var(--blue)}
.btn-primary:hover{background:var(--blue-dark);border-color:var(--blue-dark)}
.btn-ghost{background:#fff;color:var(--blue-dark);border-color:var(--blue)}
.btn-ghost:hover{background:#f0f7ff}
.btn-lg{width:100%}
.btn small{display:block;font-weight:600;font-size:.8125rem;opacity:1}

/* hero */
.hero{background:#0b1220;color:#fff;position:relative;overflow:hidden}
/* The photo stays clearly visible: the store owner on the right is the point of
   it. Darken only enough for the headline to read, heaviest behind the text. */
.hero::before{content:"";position:absolute;inset:0;z-index:1;background:rgba(8,15,30,.66)}
@media (min-width:900px){
  .hero::before{background:linear-gradient(90deg,rgba(8,15,30,.86) 0%,rgba(8,15,30,.7) 42%,rgba(8,15,30,.2) 75%,rgba(8,15,30,.05) 100%)}
}
.hero .wrap{position:relative;z-index:2;padding-block:32px}
.hero-img{position:absolute;inset:0;z-index:0;object-fit:cover;object-position:72% 30%;width:100%;height:100%}
.hero-img-right{object-position:84% 22%}
.hero h1{font-size:1.875rem;margin-bottom:.35em}
.hero .lede{font-size:1.125rem;color:#dbeafe;max-width:48ch}
.hero .lede strong{color:#fff}
.hero-cta{display:grid;gap:12px;margin:22px 0 14px}
.hero-phone{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:1.25rem;font-weight:700;text-decoration:none;min-height:48px}
.hero-phone span{font-weight:500;font-size:.9375rem;color:#dbeafe}

/* trust strip */
.trust{background:var(--ground);border-block:1px solid var(--line)}
.trust ul{list-style:none;margin:0;padding:22px 0;display:grid;gap:12px}
.trust li{display:flex;gap:10px;align-items:flex-start;font-weight:600;font-size:.9375rem}
.trust svg{flex:0 0 20px;width:20px;height:20px;fill:var(--ok);margin-top:2px}

/* sections */
section{padding-block:40px}
section.tight{padding-block:28px}
.alt{background:var(--ground)}
.center{text-align:center}
.lede{font-size:1.0625rem;color:var(--ink-2)}
.cards{display:grid;gap:16px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.card h3{margin-bottom:.35em}
.card p:last-child{margin-bottom:0}
.check{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.check li{display:flex;gap:10px;align-items:flex-start}
.check svg{flex:0 0 20px;width:20px;height:20px;fill:var(--blue);margin-top:3px}
.brands{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:center;justify-items:center;padding-block:8px}
.brands img{max-height:44px;width:auto;filter:grayscale(1);opacity:.75}
.steps{display:grid;gap:16px}
.step{display:flex;gap:14px;align-items:flex-start}
.step img{width:56px;height:56px;flex:0 0 56px}
.step h3{margin-bottom:.15em;font-size:1.0625rem}
.step p{margin:0;color:var(--ink-2)}
.tiles{display:grid;gap:16px}
.tile img{border-radius:var(--radius);width:100%}
.tile h3{margin:.6em 0 .2em;font-size:1rem}
.pdf-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.pdf-list a{display:flex;align-items:center;gap:10px;min-height:52px;padding:12px 16px;border:1px solid var(--line);border-radius:var(--radius);text-decoration:none;font-weight:600;color:var(--ink);background:#fff}
.pdf-list a:hover{border-color:var(--blue);color:var(--blue-dark)}
.pdf-list svg{width:18px;height:18px;fill:var(--blue);flex:0 0 18px}
.quote{background:#fff;border-left:4px solid var(--blue);padding:16px 18px;border-radius:0 var(--radius) var(--radius) 0;box-shadow:0 1px 2px rgba(16,24,40,.05)}
.quote p{font-size:1.0625rem}
.quote cite{color:var(--ink-2);font-style:normal;font-weight:600;font-size:.9375rem}
.cta-band{background:var(--blue);color:#fff;text-align:center}
.cta-band h2{color:#fff}
.cta-band p{color:#fff;max-width:52ch;margin-inline:auto}
.cta-band .btn-primary{background:#fff;color:var(--blue-dark);border-color:#fff}
.cta-band .btn-ghost{background:transparent;color:#fff;border-color:#fff}
.cta-actions{display:grid;gap:12px;max-width:420px;margin:20px auto 0}
.serve{list-style:none;margin:16px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.serve li{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 14px;font-weight:600;font-size:.875rem}

/* faq */
.faq h2{margin-top:1.2em;padding-top:.6em;border-top:2px solid var(--line)}
details.qa{border:1px solid var(--line);border-radius:var(--radius);margin-bottom:10px;background:#fff}
details.qa summary{cursor:pointer;padding:16px;font-weight:700;min-height:52px;display:flex;align-items:center;gap:10px;list-style:none}
details.qa summary::-webkit-details-marker{display:none}
details.qa summary::after{content:"+";margin-left:auto;font-size:1.5rem;color:var(--blue);line-height:1}
details.qa[open] summary::after{content:"\2212"}
details.qa .a{padding:0 16px 16px}
details.qa .a :last-child{margin-bottom:0}

/* contact */
.contact-actions{display:grid;gap:12px;margin-bottom:8px}
.form label{display:block;font-weight:600;margin-bottom:6px}
.form input,.form textarea{width:100%;min-height:52px;padding:12px 14px;border:1px solid var(--line);border-radius:var(--radius);font:inherit;margin-bottom:14px;background:#fff}
.form textarea{min-height:130px}
.form .hp{position:absolute;left:-9999px}
.form-note{font-size:.875rem;color:var(--ink-2)}

/* legal pages */
.legal-doc h2{margin-top:1.4em;font-size:1.25rem}
.legal-doc{max-width:72ch}

/* footer */
.site-footer{background:var(--ink);color:#cfd6e0;--ink-2:#cfd6e0;margin-bottom:64px;padding-block:32px 8px;font-size:.9375rem}
.site-footer h2{color:#fff;font-size:1rem;margin-bottom:.6em}
.site-footer a{color:#fff;text-decoration:none}
.site-footer a:hover{text-decoration:underline}
.foot-grid{display:grid;gap:26px}
.foot-logo{width:170px;background:#fff;padding:8px 10px;border-radius:8px}
.plain{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.plain a{display:inline-block;min-height:32px;padding:4px 0}
.hours li{display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line);padding-bottom:6px}
.hours span{color:var(--ink-2);font-weight:600}
.site-footer .hours li{border-bottom-color:#22304a}
.site-footer .hours span{color:#cfd6e0;font-weight:400}
.legal{border-top:1px solid #22304a;margin-top:26px;padding-top:14px;display:grid;gap:4px;font-size:.8125rem;color:#9aa6b8}
.legal a{color:#cfd6e0}

/* sticky mobile bar */
.sticky-bar{position:fixed;left:0;right:0;bottom:0;z-index:60;display:grid;grid-template-columns:1fr 1fr 1.3fr;background:#fff;border-top:1px solid var(--line);box-shadow:0 -6px 18px rgba(16,24,40,.08);padding-bottom:env(safe-area-inset-bottom)}
.sticky-bar a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:60px;text-decoration:none;font-weight:700;font-size:.8125rem;color:var(--ink);border-right:1px solid var(--line)}
.sticky-bar a:last-child{border-right:0}
.sticky-bar svg{width:20px;height:20px;fill:var(--blue)}
.sticky-bar .primary{background:var(--blue);color:#fff}
.sticky-bar .primary svg{fill:#fff}

@media (min-width:640px){
  h1{font-size:2.5rem}.hero h1{font-size:2.5rem}
  .hero-cta{grid-template-columns:auto auto;justify-content:start}
  .btn-lg{width:auto}
  .cards,.tiles{grid-template-columns:repeat(2,1fr)}
  .trust ul{grid-template-columns:repeat(2,1fr);gap:14px 24px}
  .cta-actions{grid-template-columns:auto auto;justify-content:center;max-width:none}
  .brands{grid-template-columns:repeat(6,1fr)}
}
@media (min-width:900px){
  body{font-size:18px}
  .hero .wrap{padding-block:72px 64px}
  .hero h1{font-size:3rem}
  .cards,.tiles{grid-template-columns:repeat(3,1fr)}
  .tiles.four{grid-template-columns:repeat(4,1fr)}
  .trust ul{grid-template-columns:repeat(5,1fr)}
  .steps{grid-template-columns:repeat(3,1fr)}
  .two-col{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
  .foot-grid{grid-template-columns:1.4fr 1fr 1fr 1fr}
  .site-footer{margin-bottom:0}
  .sticky-bar{display:none}
  section{padding-block:56px}
}
/* Full menu from 1180px; below that the menu button is used, so eight links and
   two buttons never overflow the header. Measured widths (2026-09-17): menu
   ~600-660px, buttons ~300-330px, logo 170-200px, phone ~130px. */
@media (min-width:1180px){
  .site-header .wrap{max-width:1400px}
  .nav-toggle{display:none}
  .nav{display:flex;position:static;align-items:center;gap:18px;padding:0;border:0;box-shadow:none;background:transparent;flex:1;justify-content:flex-end}
  .nav ul{display:flex;gap:14px}
  .nav ul a{border:0;padding:6px 0;font-size:.875rem;min-height:0;white-space:nowrap}
  .nav-actions{display:flex;align-items:center;gap:10px;margin:0}
  .nav-actions .btn{min-height:44px;padding:10px 16px;font-size:.9375rem;white-space:nowrap}
  .nav-actions .phone{display:none}
}
@media (min-width:1300px){
  .logo img{width:200px}
  .nav ul{gap:18px}
  .nav ul a{font-size:.9375rem}
}
/* The header phone number only fits beside the full menu on wide screens; the
   hero, footer and sticky mobile bar carry it everywhere else. */
@media (min-width:1440px){
  .nav-actions .phone{display:inline-block;font-size:1.0625rem;white-space:nowrap}
}
@media (prefers-reduced-motion:no-preference){a,.btn{transition:background-color .15s ease,color .15s ease,border-color .15s ease}}

/* catalog */
.crumb{font-size:.875rem;margin-bottom:.4em}
.catalog-search input[type=search]{width:100%;min-height:56px;padding:14px 16px;border:2px solid var(--line);border-radius:var(--radius);font:inherit;background:#fff}
.catalog-search input[type=search]:focus{outline:none;border-color:var(--blue)}
.catalog-search label{display:block;font-weight:600;margin-bottom:6px}
.cat-grid{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.cat-grid a{display:flex;justify-content:space-between;align-items:center;gap:12px;min-height:56px;padding:12px 16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);text-decoration:none;color:var(--ink)}
.cat-grid a:hover{border-color:var(--blue);color:var(--blue-dark)}
.cat-grid span{color:var(--ink-2);font-size:.875rem;white-space:nowrap}
.cat-list{list-style:none;margin:16px 0 0;padding:0;display:grid;gap:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.cat-item{display:grid;grid-template-columns:78px 1fr;gap:4px 12px;padding:12px 14px;border-bottom:1px solid var(--line);align-items:baseline}
.cat-item:last-child{border-bottom:0}
.cat-no{font-variant-numeric:tabular-nums;font-weight:700;color:var(--blue-dark)}
.cat-desc{font-weight:500}
.cat-pack{grid-column:2;color:var(--ink-2);font-size:.8125rem}
/* Inline guide (home page): a question, one box, optional chips. Never a popup. */
.guide{padding:26px 0 6px}
.guide-box{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px}
.guide-box h2{margin:0 0 6px;font-size:1.375rem}
.guide-lede{margin:0 0 14px;color:var(--muted,#55606e)}
.guide-form{display:flex;flex-wrap:wrap;gap:10px}
.guide-form input{flex:1 1 260px;min-width:0;padding:12px 14px;border:1px solid var(--line);border-radius:8px;font:inherit}
.guide-form .btn{flex:0 0 auto}
.guide-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.guide-chips .chip{background:#eef4fb;border:1px solid #cddff2;color:#0b4f92;border-radius:999px;padding:7px 14px;font:inherit;font-size:.875rem;cursor:pointer}
.guide-chips .chip:hover{background:#e0ecf9}
.guide-answer{margin-top:16px;padding-top:16px;border-top:1px solid var(--line);outline:none}
.guide-text{margin:0 0 14px}
.guide-actions{display:flex;flex-wrap:wrap;gap:10px}
.guide-hide{margin-top:14px;background:none;border:0;padding:0;color:var(--muted,#55606e);font:inherit;font-size:.875rem;text-decoration:underline;cursor:pointer}
.guide-box.is-collapsed .guide-lede,.guide-box.is-collapsed .guide-form,.guide-box.is-collapsed .guide-chips{display:none}
.guide-box.is-collapsed h2{margin:0;cursor:pointer;font-size:1.0625rem}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
/* "New" marker: the Pay Your Invoice link in the nav and footer, and the home band. */
.pill-new{display:inline-block;background:#b8410e;color:#fff;font-size:.625rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:2px 6px;border-radius:999px;vertical-align:middle;margin-left:4px}
.new-band{display:flex;flex-wrap:wrap;align-items:center;gap:14px;justify-content:space-between;background:var(--paper,#fff);border:1px solid var(--line);border-left:4px solid #b8410e;border-radius:10px;padding:16px 18px}
.new-band p{margin:0}
.new-band .btn{flex:0 0 auto}
.badge{display:inline-block;background:#0b7a45;color:#fff;font-size:.6875rem;font-weight:700;letter-spacing:.02em;padding:2px 7px;border-radius:999px;vertical-align:middle}
@media (min-width:640px){
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .cat-item{grid-template-columns:90px 1fr 190px;gap:12px}
  .cat-pack{grid-column:3;text-align:right;font-size:.875rem}
}
@media (min-width:900px){.cat-grid{grid-template-columns:repeat(3,1fr)}}

.nh-note{margin:14px 0;padding:12px 14px;background:#f0f7ff;border:1px solid #c7dcf5;border-radius:var(--radius);font-size:.9375rem;color:var(--ink)}

/* catalog: item cards with pictures */
.search-row{display:flex;gap:8px}
.search-row input[type=search]{flex:1;min-width:0}
.items{list-style:none;margin:16px 0 0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.item{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.item[hidden]{display:none}
.item-img{aspect-ratio:1/1;background:#fff;border-bottom:1px solid var(--line);display:grid;place-items:center}
.item-img img{width:100%;height:100%;object-fit:contain}
.noimg{display:grid;place-items:center;width:100%;height:100%;background:var(--ground);color:var(--ink-2);font-size:.8125rem}
.item-body{display:flex;flex-direction:column;gap:2px;padding:10px 12px 12px;font-size:.9375rem;line-height:1.35}
.item-body .badge{align-self:flex-start;margin-top:2px}
.item-brand{color:var(--ink-2);font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.03em}
.item-meta,.item-upc{color:var(--ink-2);font-size:.8125rem}
.item-meta .cat-no{font-weight:700}
.item-upc{font-variant-numeric:tabular-nums}
.group{margin-top:28px}
.group[hidden]{display:none}
.group h2{font-size:1.25rem;margin-bottom:0}
.jump{margin:18px 0 0}
.jump[hidden]{display:none}
.jump ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.jump a{display:inline-flex;align-items:center;gap:6px;min-height:40px;padding:6px 12px;border:1px solid var(--line);border-radius:999px;background:#fff;text-decoration:none;color:var(--ink);font-size:.875rem}
.jump a:hover{border-color:var(--blue);color:var(--blue-dark)}
.jump a span{color:var(--ink-2);font-size:.75rem}
.cat-tiles{list-style:none;margin:12px 0 28px;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.cat-tiles a{display:flex;flex-direction:column;gap:2px;height:100%;padding:0 0 12px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;text-decoration:none;color:var(--ink)}
.cat-tiles a:hover{border-color:var(--blue)}
.cat-tiles a:hover strong{color:var(--blue-dark)}
.tile-img{display:block;aspect-ratio:4/3;background:#fff;border-bottom:1px solid var(--line);margin-bottom:8px}
.tile-img img{width:100%;height:100%;object-fit:contain;padding:8px}
.cat-tiles strong{padding:0 12px;font-size:.9375rem;line-height:1.3}
.tile-count{padding:0 12px;color:var(--ink-2);font-size:.8125rem}
@media (min-width:640px){
  .items{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
  .cat-tiles{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
}
@media (min-width:900px){
  .items{grid-template-columns:repeat(4,minmax(0,1fr))}
  .cat-tiles{grid-template-columns:repeat(4,minmax(0,1fr))}
}
@media (min-width:1100px){.items{grid-template-columns:repeat(5,minmax(0,1fr))}}