/* Bayou City Grease Service. Mono-utilitarian system.
   Fonts: JetBrains Mono (headings/labels/data) + IBM Plex Sans (body).
   No CDN/webfont files available in this build, so system stacks that
   land closest to those two are used. Swap in self-hosted woff2 subsets
   of JetBrains Mono / IBM Plex Sans later without touching markup. */

:root{
  --ink:#171717;
  --yellow:#ffd400;
  --gray:#4d4d4d;
  --off:#fcfcfb;
  --line:#e7e5e0;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --bar-h: 3.75rem;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--sans);
  color:var(--ink);
  background:var(--off);
  line-height:1.5;
  padding-bottom:var(--bar-h);
}
img{max-width:100%;display:block;}
a{color:var(--ink);}
a:hover{color:var(--gray);}
h1,h2,h3,h4{
  font-family:var(--mono);
  font-weight:700;
  letter-spacing:-0.01em;
  line-height:1.15;
  margin:0 0 0.6em;
}
h1{font-size:clamp(1.75rem,5vw,2.6rem);}
h2{font-size:clamp(1.3rem,3.4vw,1.7rem);}
h3{font-size:1.05rem;}
p{margin:0 0 1em;}
.mono{font-family:var(--mono);}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums;}

/* ===== layout ===== */
.wrap{width:100%;max-width:75rem;margin:0 auto;padding:0 1.25rem;}
.section{padding:3rem 0;border-bottom:1px solid var(--line);}
.section:last-child{border-bottom:none;}
.section-tight{padding:2rem 0;}
.bg-ink{background:var(--ink);color:var(--off);}
.bg-ink h1,.bg-ink h2,.bg-ink h3{color:var(--off);}
.bg-ink a{color:var(--off);}
.bg-ink .hairline{border-color:#333;}

.grid{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);}
.grid > *{background:var(--off);padding:1.25rem;}
.bg-ink .grid{background:#2a2a2a;border-color:#333;}
.bg-ink .grid > *{background:var(--ink);}
.grid-2{grid-template-columns:1fr;}
.grid-3{grid-template-columns:1fr;}
.grid-4{grid-template-columns:1fr;}
@media(min-width:40rem){
  .grid-2{grid-template-columns:1fr 1fr;}
  .grid-4{grid-template-columns:1fr 1fr;}
}
@media(min-width:60rem){
  .grid-3{grid-template-columns:1fr 1fr 1fr;}
  .grid-4{grid-template-columns:repeat(4,1fr);}
}

.hairline{border-top:1px solid var(--line);}
.border{border:1px solid var(--line);}

/* ===== header ===== */
.topbar{
  position:sticky;top:0;z-index:50;
  background:var(--ink);color:var(--off);
  border-bottom:1px solid #000;
}
.topbar .wrap{
  display:flex;align-items:center;justify-content:space-between;
  gap:0.75rem;padding-top:0.7rem;padding-bottom:0.7rem;max-width:75rem;
}
.brand{
  font-family:var(--mono);font-weight:700;color:var(--off);
  text-decoration:none;font-size:0.95rem;letter-spacing:0.01em;
  white-space:nowrap;
}
.brand span{color:var(--yellow);}
.topbar-actions{display:flex;align-items:center;gap:0.6rem;}
.topbar-phone{
  font-family:var(--mono);font-weight:700;color:var(--off);
  text-decoration:none;font-size:1.05rem;white-space:nowrap;
}
.nav-toggle{display:none;}
nav.primary-nav{
  display:none;
}
@media(min-width:60rem){
  nav.primary-nav{
    display:flex;gap:1.1rem;font-family:var(--mono);font-size:0.82rem;
    border-top:1px solid #333;padding:0.55rem 0;
  }
  nav.primary-nav a{color:#d9d9d6;text-decoration:none;}
  nav.primary-nav a:hover{color:var(--yellow);}
}

/* ===== buttons ===== */
.btn{
  display:inline-block;font-family:var(--mono);font-weight:700;
  font-size:0.85rem;letter-spacing:0.01em;text-decoration:none;
  padding:0.7rem 1.1rem;border:1px solid var(--ink);border-radius:0;
  white-space:nowrap;
}
.btn-primary{background:var(--yellow);color:var(--ink);border-color:var(--ink);}
.btn-primary:hover{background:#e6bf00;color:var(--ink);}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--ink);}
.bg-ink .btn-outline{color:var(--off);border-color:var(--off);}
.btn-outline:hover{background:var(--ink);color:var(--off);}
.bg-ink .btn-outline:hover{background:var(--off);color:var(--ink);}
.btn-sm{padding:0.5rem 0.8rem;font-size:0.78rem;}

/* ===== hero ===== */
.hero{padding:2.4rem 0 2.2rem;border-bottom:1px solid #000;}
.hero .kicker{
  font-family:var(--mono);color:var(--yellow);font-size:0.8rem;
  letter-spacing:0.06em;text-transform:uppercase;margin-bottom:0.75rem;
  display:inline-block;border:1px solid var(--yellow);padding:0.2rem 0.5rem;
}
.hero p.lede{font-size:1.05rem;color:#d9d9d6;max-width:42ch;}
.hero .cta-row{display:flex;gap:0.75rem;flex-wrap:wrap;margin-top:1.4rem;}

/* ===== trust bar ===== */
.trustbar{background:var(--off);border-bottom:1px solid var(--line);}
.trustbar ul{
  list-style:none;margin:0;padding:0;
  display:grid;grid-template-columns:1fr 1fr;gap:1px;
  background:var(--line);border:1px solid var(--line);
}
@media(min-width:40rem){.trustbar ul{grid-template-columns:repeat(4,1fr);}}
.trustbar li{
  background:var(--off);padding:0.85rem 1rem;font-size:0.85rem;
  font-family:var(--mono);
}
.trustbar li b{display:block;color:var(--ink);font-size:0.92rem;}

/* ===== tables ===== */
.tbl-wrap{width:100%;overflow-x:auto;border:1px solid var(--line);}
table.data{
  width:100%;border-collapse:collapse;font-size:0.92rem;min-width:32rem;
}
table.data caption{
  text-align:left;font-family:var(--mono);font-weight:700;
  padding:0.75rem 0.9rem;border-bottom:1px solid var(--line);
  background:var(--off);
}
table.data th,table.data td{
  border-bottom:1px solid var(--line);padding:0.65rem 0.9rem;text-align:left;
  vertical-align:top;
}
table.data thead th{
  background:var(--ink);color:var(--off);font-family:var(--mono);
  font-size:0.78rem;letter-spacing:0.03em;text-transform:uppercase;
}
table.data tbody tr:nth-child(even){background:#f4f3f0;}
table.data td.num,table.data th.num{font-family:var(--mono);}
.flag{
  display:inline-block;background:var(--yellow);color:var(--ink);
  font-family:var(--mono);font-size:0.72rem;font-weight:700;
  padding:0.12rem 0.4rem;letter-spacing:0.02em;
}

/* ===== service rows / cards ===== */
.svc-row{
  display:grid;grid-template-columns:1fr;gap:0.4rem;
  padding:1.4rem 0;border-bottom:1px solid var(--line);
}
.svc-row:first-child{border-top:1px solid var(--line);}
@media(min-width:40rem){
  .svc-row{grid-template-columns:11rem 1fr auto;gap:1.25rem;align-items:center;}
}
.svc-row .tag{font-family:var(--mono);color:var(--gray);font-size:0.8rem;text-transform:uppercase;letter-spacing:0.04em;}
.svc-row h3{margin:0 0 0.25rem;}
.svc-row p{margin:0;color:var(--gray);font-size:0.92rem;}

.card{border:1px solid var(--line);padding:1.25rem;background:var(--off);}
.card h3{margin-bottom:0.5rem;}

/* ===== forms ===== */
.form-box{border:1px solid var(--ink);padding:1.4rem;background:var(--off);}
.bg-ink .form-box{background:#232323;border-color:#444;}
.field{margin-bottom:0.9rem;}
.field label{
  display:block;font-family:var(--mono);font-size:0.78rem;
  margin-bottom:0.3rem;letter-spacing:0.02em;text-transform:uppercase;
}
.field input,.field select,.field textarea{
  width:100%;font-family:var(--sans);font-size:1rem;padding:0.65rem 0.7rem;
  border:1px solid var(--gray);background:var(--off);color:var(--ink);
}
.bg-ink .field input,.bg-ink .field select,.bg-ink .field textarea{
  background:#1c1c1c;color:var(--off);border-color:#555;
}
.field textarea{resize:vertical;min-height:5rem;}
.field .opt{font-weight:400;text-transform:none;color:var(--gray);font-family:var(--sans);}
.form-note{font-size:0.8rem;color:var(--gray);margin-top:0.6rem;}

/* ===== faq ===== */
details.faq{border-bottom:1px solid var(--line);padding:0.9rem 0;}
details.faq summary{
  font-family:var(--mono);font-weight:700;cursor:pointer;list-style:none;
  padding-right:1.5rem;position:relative;
}
details.faq summary::-webkit-details-marker{display:none;}
details.faq summary::after{
  content:"+";position:absolute;right:0;top:0;font-size:1.2rem;
}
details.faq[open] summary::after{content:"-";}
details.faq p{margin:0.7rem 0 0;color:var(--gray);}

/* ===== breadcrumbs ===== */
.crumbs{font-family:var(--mono);font-size:0.78rem;color:var(--gray);padding:0.8rem 0;}
.crumbs a{color:var(--gray);text-decoration:none;}
.crumbs a:hover{color:var(--ink);text-decoration:underline;}

/* ===== footer ===== */
footer{background:var(--ink);color:#d9d9d6;padding:2.5rem 0 6rem;}
footer h4{color:var(--off);font-size:0.9rem;}
footer a{color:#d9d9d6;text-decoration:none;font-size:0.9rem;}
footer a:hover{color:var(--yellow);}
footer .cols{display:grid;grid-template-columns:1fr;gap:1.75rem;}
@media(min-width:40rem){footer .cols{grid-template-columns:repeat(4,1fr);}}
footer .legal{
  border-top:1px solid #333;margin-top:2rem;padding-top:1.25rem;
  font-size:0.78rem;color:#8a8a8a;font-family:var(--mono);
}
footer ul{list-style:none;margin:0;padding:0;}
footer li{margin-bottom:0.4rem;}

/* ===== sticky mobile bar ===== */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:60;
  display:grid;grid-template-columns:1fr 1fr;
  height:var(--bar-h);border-top:1px solid #000;
}
.mobile-bar a{
  display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-weight:700;font-size:0.95rem;
  text-decoration:none;min-height:48px;
}
.mobile-bar .call{background:var(--yellow);color:var(--ink);}
.mobile-bar .quote{background:var(--ink);color:var(--off);border-left:1px solid #000;}
@media(min-width:56.25rem){
  .mobile-bar{display:none;}
  body{padding-bottom:0;}
}

/* ===== utility ===== */
.center{text-align:center;}
.mt-0{margin-top:0;}
.small{font-size:0.85rem;color:var(--gray);}
.list-plain{list-style:none;margin:0;padding:0;}
.list-plain li{padding:0.4rem 0;border-bottom:1px solid var(--line);}
.badge-yellow{background:var(--yellow);color:var(--ink);font-family:var(--mono);font-size:0.72rem;padding:0.15rem 0.45rem;font-weight:700;}
.limit-box{border:1px solid var(--ink);border-left:6px solid var(--yellow);padding:1rem 1.2rem;background:var(--off);margin:1.5rem 0;}
.limit-box p{margin:0;}
.limit-box .lbl{font-family:var(--mono);font-weight:700;font-size:0.78rem;text-transform:uppercase;letter-spacing:0.03em;display:block;margin-bottom:0.35rem;}
ol.steps{margin:0;padding-left:1.3rem;}
ol.steps li{margin-bottom:0.7rem;}
.pill-row{display:flex;flex-wrap:wrap;gap:0.5rem;margin:1rem 0;}
.pill{border:1px solid var(--ink);font-family:var(--mono);font-size:0.78rem;padding:0.3rem 0.6rem;}