/* ============================================================
   5Star Plumbing HVAC — Design System
   Direction: editorial. Magazine typography applied to a trade
   site. Vertical rotated section spines, oversized ghost numerals,
   an index table instead of cards. Ink / bone / electric indigo.
   Type: Instrument Serif (display) / Instrument Sans / Martian Mono
   ============================================================ */

:root{
  --ink:#0B0B0C;
  --ink-2:#17171A;
  --ink-3:#2A2A2E;
  --bone:#F2F1ED;
  --bone-2:#FAFAF8;
  --indigo:#4B2AEF;
  --indigo-d:#3617C4;
  --indigo-lt:#E8E3FE;
  --text:#141416;
  --muted:#5E5E66;
  --rule:#D6D5CE;
  --maxw:1240px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0; background:var(--bone); color:var(--text);
  font-family:'Instrument Sans',-apple-system,'Segoe UI',sans-serif;
  font-size:17px; line-height:1.62; -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
svg{ width:1.4em; height:1.4em; flex-shrink:0; }
figure > svg, .panel-svg{ width:100%; height:auto; display:block; }
a{ color:var(--indigo-d); text-decoration:none; }
a:hover{ text-decoration:underline; }
:focus-visible{ outline:3px solid var(--indigo); outline-offset:3px; }
@media (prefers-reduced-motion:reduce){ html{scroll-behavior:auto} *{animation-duration:.001ms!important;transition-duration:.001ms!important} }

h1,h2,h3{
  font-family:'Instrument Serif',Georgia,serif; font-weight:400;
  color:var(--ink); line-height:1.02; margin:0 0 .4em; letter-spacing:-.02em;
}
h1{ font-size:clamp(2.9rem,5.4vw + .8rem,6.2rem); }
h2{ font-size:clamp(2.1rem,2.9vw + 1rem,3.6rem); }
h3{ font-size:1.5rem; }
h4{ font-family:'Instrument Sans',sans-serif; font-weight:700; font-size:1rem; margin:0 0 .5em; color:var(--ink); }
h1 em,h2 em,h3 em{ font-style:italic; color:var(--indigo); }
p{ margin:0 0 1em; }
ul,ol{ padding-left:1.15em; }

.container{ max-width:var(--maxw); margin:0 auto; padding:0 30px; }
section{ padding:96px 0; position:relative; }
.lede{ font-size:1.2rem; color:var(--muted); line-height:1.55; }
.mono{ font-family:'Martian Mono',monospace; }
.center{ text-align:center; }

/* ---------- surfaces ---------- */
.s-ink{ background:var(--ink); color:#B9B9C0; }
.s-ink h1,.s-ink h2,.s-ink h3,.s-ink h4{ color:var(--bone); }
.s-ink .lede{ color:rgba(242,241,237,.68); }
.s-indigo{ background:var(--indigo); color:#fff; }
.s-indigo h2,.s-indigo h3,.s-indigo h4{ color:#fff; }
.s-indigo .lede{ color:rgba(255,255,255,.8); }
.s-bone2{ background:var(--bone-2); }

/* ---------- vertical spine: signature ---------- */
.spine{
  position:absolute; left:12px; top:96px;
  writing-mode:vertical-rl; transform:rotate(180deg);
  font-family:'Martian Mono',monospace; font-size:.62rem; letter-spacing:.34em;
  text-transform:uppercase; color:var(--muted); white-space:nowrap;
  display:flex; align-items:center; gap:14px;
}
.spine::after{ content:""; width:1px; height:70px; background:var(--rule); }
.s-ink .spine,.s-indigo .spine{ color:rgba(255,255,255,.5); }
.s-ink .spine::after,.s-indigo .spine::after{ background:rgba(255,255,255,.28); }
@media (max-width:1150px){ .spine{ display:none; } }

/* ---------- ghost numeral: signature ---------- */
.ghost{
  font-family:'Instrument Serif',serif; font-size:clamp(7rem,15vw,15rem);
  line-height:.78; color:transparent; -webkit-text-stroke:1px var(--rule);
  position:absolute; right:26px; top:52px; pointer-events:none; user-select:none; z-index:0;
}
.s-ink .ghost{ -webkit-text-stroke-color:rgba(255,255,255,.16); }
.s-indigo .ghost{ -webkit-text-stroke-color:rgba(255,255,255,.3); }
@media (max-width:900px){ .ghost{ display:none; } }
.container{ position:relative; z-index:1; }

/* ---------- eyebrow ---------- */
.eb{
  font-family:'Martian Mono',monospace; font-size:.63rem; letter-spacing:.28em;
  text-transform:uppercase; color:var(--indigo-d); display:block; margin-bottom:22px;
}
.s-ink .eb{ color:#A692FF; }
.s-indigo .eb{ color:rgba(255,255,255,.8); }
.shead{ max-width:760px; margin-bottom:52px; }

/* ---------- chip ---------- */
.chip{
  display:inline-flex; align-items:center; gap:8px;
  font-family:'Martian Mono',monospace; font-size:.6rem; letter-spacing:.2em;
  text-transform:uppercase; padding:7px 14px; border:1px solid var(--ink); color:var(--ink);
}
.chip-a{ border-color:var(--indigo); color:var(--indigo-d); }
.s-ink .chip{ border-color:rgba(242,241,237,.5); color:var(--bone); }
.s-ink .chip-a{ border-color:#A692FF; color:#A692FF; }
.hero .chip{ border-color:rgba(242,241,237,.5); color:var(--bone); }
.hero .chip-a{ border-color:#A692FF; color:#A692FF; }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  font-family:'Instrument Sans',sans-serif; font-weight:700; font-size:.95rem;
  letter-spacing:.01em; padding:16px 30px; border:1.5px solid var(--ink);
  background:var(--ink); color:var(--bone); border-radius:0; cursor:pointer;
  transition:background .15s ease,color .15s ease,border-color .15s ease;
}
.btn:hover{ text-decoration:none; background:var(--indigo); border-color:var(--indigo); color:#fff; }
.btn-indigo{ background:var(--indigo); border-color:var(--indigo); color:#fff; }
.btn-indigo:hover{ background:var(--ink); border-color:var(--ink); }
.btn-out{ background:transparent; color:var(--ink); }
.btn-out:hover{ background:var(--ink); color:var(--bone); }
.btn-out-l{ background:transparent; color:var(--bone); border-color:rgba(242,241,237,.45); }
.btn-out-l:hover{ background:var(--bone); color:var(--ink); border-color:var(--bone); }
.btn-sm{ padding:10px 18px; font-size:.82rem; }
.btn-block{ width:100%; }

/* ---------- topbar ---------- */
.topbar{ background:var(--ink); color:#8B8B93; font-family:'Martian Mono',monospace; font-size:.62rem; letter-spacing:.1em; }
.topbar .container{ display:flex; justify-content:space-between; gap:14px; flex-wrap:wrap; padding-top:11px; padding-bottom:11px; }
.topbar div{ overflow-wrap:anywhere; min-width:0; }
.topbar a{ color:var(--bone); }

/* ---------- header ---------- */
.site-header{ background:var(--bone); border-bottom:1px solid var(--ink); position:sticky; top:0; z-index:60; }
.site-header .container{ display:flex; align-items:center; justify-content:space-between; gap:20px; padding-top:14px; padding-bottom:14px; }
.brand{ display:flex; align-items:center; gap:13px; min-width:0; }
.brand img{ height:42px; width:auto; }
.bw strong{ display:block; font-family:'Instrument Serif',serif; font-weight:400; font-size:1.5rem; color:var(--ink); line-height:1; letter-spacing:-.02em; }
.bw span{ display:block; font-family:'Martian Mono',monospace; font-size:.55rem; letter-spacing:.24em; text-transform:uppercase; color:var(--muted); margin-top:5px; }
.mainnav ul{ list-style:none; display:flex; gap:30px; margin:0; padding:0; align-items:center; }
.mainnav a{ color:var(--ink); font-weight:600; font-size:.92rem; padding-bottom:3px; border-bottom:1.5px solid transparent; }
.mainnav a:hover{ text-decoration:none; border-bottom-color:var(--indigo); }
.mainnav a[aria-current="page"]{ border-bottom-color:var(--ink); }
.navcta{ display:flex; align-items:center; gap:11px; }
.navtoggle{ display:none; background:var(--ink); border:none; width:44px; height:38px; cursor:pointer; align-items:center; justify-content:center; }
.navtoggle span,.navtoggle span::before,.navtoggle span::after{ content:""; display:block; width:18px; height:1.5px; background:var(--bone); position:relative; }
.navtoggle span::before{ position:absolute; top:-6px; }
.navtoggle span::after{ position:absolute; top:6px; }
.callicon{ display:none; padding:11px; }
.callicon svg{ width:18px; height:18px; }

.hasdrop{ position:relative; }
.mainnav .drop{
  display:none; position:absolute; top:calc(100% + 14px); left:-20px; background:var(--bone);
  border:1px solid var(--ink); padding:16px; min-width:460px;
  list-style:none; margin:0; flex-direction:column; gap:1px;
}
.mainnav .hasdrop:hover .drop,.mainnav .hasdrop:focus-within .drop{ display:flex; }
.mainnav .drop .grp{
  font-family:'Martian Mono',monospace; font-size:.58rem; letter-spacing:.2em; text-transform:uppercase;
  color:var(--muted); padding:12px 10px 6px;
}
.mainnav .drop a{ display:flex; gap:14px; padding:9px 10px; border-bottom:none; font-weight:600; font-size:.92rem; color:var(--ink); }
.mainnav .drop a span{ font-family:'Martian Mono',monospace; font-size:.6rem; color:var(--muted); padding-top:3px; }
.mainnav .drop a:hover{ background:var(--ink); color:var(--bone); }
.mainnav .drop a:hover span{ color:var(--bone); }

/* ---------- hero ---------- */
.hero{ background:var(--ink); color:var(--bone); border-bottom:1px solid var(--ink); }
.hero-grid{ display:grid; grid-template-columns:1.12fr .88fr; }
.hero-copy{ padding:88px 60px 88px 0; }
.hero h1{ color:var(--bone); margin-bottom:26px; }
.hero .lede{ color:rgba(242,241,237,.72); max-width:46ch; }
.hero-chips{ display:flex; gap:10px; margin-bottom:30px; flex-wrap:wrap; }
.hero-actions{ display:flex; gap:14px; flex-wrap:wrap; margin-top:34px; }
.hero-note{ font-family:'Martian Mono',monospace; font-size:.62rem; letter-spacing:.12em; color:rgba(242,241,237,.5); margin-top:26px; line-height:1.9; }
.hero-fig{ position:relative; overflow:hidden; min-height:520px; }
.hero-fig img{ width:100%; height:100%; object-fit:cover; filter:grayscale(1) contrast(1.06); opacity:.72; }
.hero-fig::after{ content:""; position:absolute; inset:0; background:linear-gradient(180deg,rgba(75,42,239,.24),rgba(11,11,12,.5)); }
.hero-cap{
  position:absolute; left:22px; bottom:20px; z-index:2;
  font-family:'Martian Mono',monospace; font-size:.58rem; letter-spacing:.16em;
  color:rgba(242,241,237,.85); text-transform:uppercase;
}

/* ---------- rule row ---------- */
.rulerow{ border-top:1px solid var(--ink); border-bottom:1px solid var(--ink); background:var(--bone); }
.rulerow .container{ display:grid; grid-template-columns:repeat(4,1fr); }
.rulerow div{ padding:30px 26px 30px 0; border-right:1px solid var(--rule); }
.rulerow div:last-child{ border-right:none; }
.rulerow b{ display:block; font-family:'Instrument Serif',serif; font-weight:400; font-size:2.6rem; line-height:1; color:var(--ink); margin-bottom:8px; }
.rulerow span{ font-family:'Martian Mono',monospace; font-size:.6rem; letter-spacing:.16em; text-transform:uppercase; color:var(--muted); line-height:1.7; display:block; }

/* ---------- index table: services, not cards ---------- */
.index{ border-top:1px solid var(--ink); }
.index a.row{
  display:grid; grid-template-columns:64px 1.15fr 1.6fr auto; gap:26px; align-items:baseline;
  padding:28px 4px; border-bottom:1px solid var(--rule); color:var(--ink);
  transition:background .14s ease, padding .14s ease;
}
.index a.row:hover{ text-decoration:none; background:var(--ink); color:var(--bone); padding-left:18px; padding-right:18px; }
.index .num{ font-family:'Martian Mono',monospace; font-size:.68rem; letter-spacing:.1em; color:var(--muted); }
.index a.row:hover .num{ color:#A692FF; }
.index .ttl{ font-family:'Instrument Serif',serif; font-size:1.62rem; line-height:1.06; letter-spacing:-.02em; }
.index .dsc{ color:var(--muted); font-size:.96rem; }
.index a.row:hover .dsc{ color:rgba(242,241,237,.72); }
.index .arw{ font-family:'Martian Mono',monospace; font-size:.72rem; }
.index .grp{
  font-family:'Martian Mono',monospace; font-size:.6rem; letter-spacing:.24em; text-transform:uppercase;
  color:var(--indigo-d); padding:34px 0 14px; border-bottom:1px solid var(--ink);
}

/* ---------- layout ---------- */
.grid{ display:grid; gap:1px; background:var(--rule); border:1px solid var(--rule); }
.grid > *{ background:var(--bone); padding:30px; }
.g2{ grid-template-columns:repeat(2,1fr); }
.g3{ grid-template-columns:repeat(3,1fr); }
.g4{ grid-template-columns:repeat(4,1fr); }
.s-ink .grid{ background:rgba(255,255,255,.16); border-color:rgba(255,255,255,.16); }
.s-ink .grid > *{ background:var(--ink); }
.two-col{ display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:start; }
.plain{ background:transparent; border:none; padding:0; }

/* ---------- checks ---------- */
.checks{ list-style:none; padding:0; margin:0; display:grid; gap:0; }
.checks li{ display:grid; grid-template-columns:38px 1fr; gap:12px; padding:16px 0; border-bottom:1px solid var(--rule); align-items:baseline; }
.checks li:first-child{ border-top:1px solid var(--rule); }
.checks li b{ font-family:'Martian Mono',monospace; font-size:.62rem; color:var(--indigo-d); letter-spacing:.1em; }
.s-ink .checks li{ border-color:rgba(255,255,255,.16); }
.s-ink .checks li:first-child{ border-top-color:rgba(255,255,255,.16); }
.s-ink .checks li b{ color:#A692FF; }

/* ---------- scope ---------- */
.scope{ display:grid; grid-template-columns:1fr 1fr; gap:1px; background:var(--ink); border:1px solid var(--ink); }
.scope > div{ background:var(--bone); padding:34px; }
.scope .exc{ background:var(--bone-2); }
.scope h4{ font-family:'Martian Mono',monospace; font-size:.62rem; letter-spacing:.2em; text-transform:uppercase; margin-bottom:20px; }
.scope .inc h4{ color:var(--indigo-d); }
.scope .exc h4{ color:var(--muted); }
.scope ul{ list-style:none; padding:0; margin:0; display:grid; gap:0; }
.scope li{ font-size:.96rem; line-height:1.5; padding:12px 0; border-bottom:1px solid var(--rule); }
.scope li:last-child{ border-bottom:none; }

/* ---------- factors ---------- */
.factors{ list-style:none; padding:0; margin:22px 0 0; display:grid; gap:0; }
.factors li{ display:grid; grid-template-columns:120px 1fr; gap:16px; padding:15px 0; border-bottom:1px solid var(--rule); align-items:baseline; }
.factors li:first-child{ border-top:1px solid var(--rule); }
.factors li b{ font-family:'Martian Mono',monospace; font-size:.6rem; letter-spacing:.16em; color:var(--ink); text-transform:uppercase; }

/* ---------- compliance note ---------- */
.compliance{ border:1px solid var(--indigo); border-left-width:5px; padding:28px 30px; background:var(--indigo-lt); }
.compliance h4{ font-family:'Martian Mono',monospace; font-size:.6rem; letter-spacing:.2em; text-transform:uppercase; color:var(--indigo-d); margin-bottom:12px; }
.compliance p{ margin:0; color:#2B2740; }

/* ---------- tables ---------- */
.tbl-wrap{ overflow-x:auto; border:1px solid var(--ink); }
table{ border-collapse:collapse; width:100%; min-width:580px; font-size:.94rem; background:var(--bone); }
th,td{ text-align:left; padding:16px 20px; border-bottom:1px solid var(--rule); vertical-align:top; }
thead th{
  background:var(--ink); color:var(--bone); font-family:'Martian Mono',monospace; font-size:.58rem;
  letter-spacing:.18em; text-transform:uppercase; font-weight:400;
}
tbody tr:last-child td{ border-bottom:none; }
td strong{ color:var(--ink); }

/* ---------- gallery ---------- */
.gal{ display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:1px; background:var(--ink-3); border:1px solid var(--ink-3); }
.gal figure{ margin:0; position:relative; background:var(--ink); overflow:hidden; }
.gal img{ width:100%; height:230px; object-fit:cover; filter:grayscale(1) contrast(1.05); opacity:.82; transition:opacity .3s ease, filter .3s ease; }
.gal figure:hover img{ opacity:1; filter:grayscale(0); }
.gal figcaption{
  position:absolute; left:0; right:0; bottom:0; padding:12px 16px;
  background:linear-gradient(0deg,rgba(11,11,12,.94),rgba(11,11,12,0));
  color:var(--bone); font-family:'Martian Mono',monospace; font-size:.58rem; letter-spacing:.08em; line-height:1.6;
}

/* ---------- symptoms ---------- */
.symp{ display:grid; grid-template-columns:repeat(2,1fr); gap:0 44px; }
.symp div{ display:grid; grid-template-columns:38px 1fr; gap:12px; padding:16px 0; border-bottom:1px solid rgba(255,255,255,.16); font-size:.97rem; align-items:baseline; }
.symp b{ font-family:'Martian Mono',monospace; font-size:.6rem; color:#A692FF; letter-spacing:.1em; }

/* ---------- FAQ ---------- */
.faq{ max-width:900px; border-top:1px solid var(--ink); }
.faq details{ border-bottom:1px solid var(--rule); }
.faq summary{
  cursor:pointer; list-style:none; padding:24px 0; display:grid; grid-template-columns:1fr 30px; gap:20px;
  align-items:baseline; font-family:'Instrument Serif',serif; font-size:1.34rem; line-height:1.2; color:var(--ink);
}
.faq summary::-webkit-details-marker{ display:none; }
.faq summary::after{ content:"+"; font-family:'Martian Mono',monospace; font-size:1rem; color:var(--indigo); justify-self:end; }
.faq details[open] summary::after{ content:"—"; }
.faq details[open] summary{ color:var(--indigo-d); }
.faq details p{ margin:0; padding:0 0 26px; color:var(--muted); max-width:74ch; }

/* ---------- reviews ---------- */
.rev p.q{ font-family:'Instrument Serif',serif; font-size:1.32rem; line-height:1.28; color:var(--ink); margin-bottom:20px; }
.rev .who{ font-family:'Martian Mono',monospace; font-size:.6rem; letter-spacing:.16em; text-transform:uppercase; color:var(--muted); }

/* ---------- contact ---------- */
.ccard h4{ font-family:'Martian Mono',monospace; font-size:.6rem; letter-spacing:.2em; text-transform:uppercase; color:var(--muted); margin-bottom:12px; }
.ccard p{ margin:0; font-size:1.06rem; overflow-wrap:anywhere; }
.ccard .sub{ font-size:.88rem; color:var(--muted); margin-top:8px; }
.mapbox{ border:1px solid var(--ink); }
.mapbox iframe{ width:100%; height:460px; border:0; display:block; filter:grayscale(1) contrast(1.05); }

/* ---------- CTA ---------- */
.cta h2{ max-width:16ch; }
.cta-actions{ display:flex; gap:15px; flex-wrap:wrap; margin-top:30px; }

/* ---------- breadcrumb ---------- */
.crumb{ font-family:'Martian Mono',monospace; font-size:.6rem; letter-spacing:.14em; text-transform:uppercase; color:var(--muted); padding:22px 0 0; }
.crumb a{ color:var(--muted); }
.crumb i{ font-style:normal; margin:0 10px; }

/* ---------- footer ---------- */
.site-footer{ background:var(--ink); color:#8B8B93; }
.site-footer .container{ padding-top:70px; }
.fgrid{ display:grid; grid-template-columns:1.6fr 1fr 1fr 1.2fr; gap:40px; padding-bottom:48px; }
.fbrand{ display:flex; gap:13px; align-items:center; margin-bottom:20px; }
.fbrand img{ height:42px; }
.fbrand strong{ font-family:'Instrument Serif',serif; font-weight:400; color:var(--bone); font-size:1.4rem; line-height:1.06; }
.site-footer h5{ font-family:'Martian Mono',monospace; font-size:.58rem; letter-spacing:.22em; text-transform:uppercase; color:var(--bone); margin:0 0 18px; }
.site-footer ul{ list-style:none; padding:0; margin:0; display:grid; gap:12px; }
.site-footer li{ overflow-wrap:anywhere; font-size:.93rem; }
.site-footer a{ color:#8B8B93; }
.site-footer a:hover{ color:var(--bone); }
.fbot{ border-top:1px solid rgba(255,255,255,.16); padding:24px 0 34px; display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap; font-family:'Martian Mono',monospace; font-size:.58rem; letter-spacing:.1em; color:#6A6A72; }

/* ---------- mobile ---------- */
.mcall{ display:none; }
.mpanel{ display:none; position:fixed; inset:0; background:var(--bone); z-index:100; padding:22px 26px; overflow-y:auto; }
.mpanel.open{ display:block; }
.mpanel .top{ display:flex; justify-content:space-between; align-items:center; margin-bottom:26px; }
.mpanel ul{ list-style:none; padding:0; margin:0; }
.mpanel .grp{ font-family:'Martian Mono',monospace; font-size:.58rem; letter-spacing:.22em; text-transform:uppercase; color:var(--muted); padding:20px 0 8px; }
.mpanel a{ display:block; padding:14px 0; border-bottom:1px solid var(--rule); font-family:'Instrument Serif',serif; font-size:1.4rem; color:var(--ink); }

@media (max-width:1040px){
  .hero-grid,.two-col{ grid-template-columns:1fr; }
  .hero-copy{ padding:64px 0 56px; }
  .hero-fig{ min-height:340px; margin:0 -30px; }
  .g3,.g4,.rulerow .container,.fgrid{ grid-template-columns:repeat(2,1fr); }
  .rulerow div:nth-child(2n){ border-right:none; }
  .index a.row{ grid-template-columns:52px 1fr auto; }
  .index .dsc{ grid-column:2 / -1; }
  .mainnav .drop{ min-width:320px; }
}
@media (max-width:780px){
  .mainnav ul,.navcta .btn-out{ display:none; }
  .navtoggle{ display:flex; }
  .callicon{ display:inline-flex; }
  .callfull{ display:none; }
  .g2,.g3,.g4,.scope,.symp,.rulerow .container,.fgrid{ grid-template-columns:1fr; }
  .rulerow div{ border-right:none; border-bottom:1px solid var(--rule); padding-right:0; }
  .rulerow div:last-child{ border-bottom:none; }
  .scope{ grid-template-columns:1fr; }
  .index a.row{ grid-template-columns:46px 1fr; gap:14px; }
  .index .arw{ display:none; }
  section{ padding:60px 0; }
  body{ padding-bottom:66px; }
  .brand img{ height:34px; }
  .bw strong{ font-size:1.18rem; }
  .bw span{ display:none; }
  .mcall{ display:flex; position:fixed; bottom:0; left:0; right:0; z-index:70; background:var(--ink); padding:11px 14px; }
}