/* Houston Stretch Wrappers — shared design system */
:root{
  --navy:#0f2540;--navy-2:#193253;--blue:#1f5fb0;--blue-dk:#174a8c;
  --amber:#f5a623;--amber-dk:#d98c00;--amber-text:#8a5900;--ink:#1b2733;--body:#3a4a5a;--muted:#586472;
  --line:#e3e8ee;--bg:#f6f8fb;--white:#fff;--ok:#1a8a54;--radius:8px;--max:1180px;
  --shadow:0 10px 30px rgba(15,37,64,.10);--font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
/* WCAG 2.2: visible focus, skip link, reduced motion */
:focus-visible{outline:3px solid var(--blue);outline-offset:2px;border-radius:2px}
.phero :focus-visible,.hero :focus-visible,.leadwrap :focus-visible,.cookiebar :focus-visible,footer.site :focus-visible{outline-color:#fff}
.skip{position:absolute;left:8px;top:-60px;background:var(--navy);color:#fff;padding:10px 16px;z-index:100;border-radius:0 0 8px 8px;font-weight:700;transition:top .15s}
.skip:focus{top:0}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition-duration:.001ms!important;animation-duration:.001ms!important}}
/* Cookie consent banner */
.cookiebar{position:fixed;left:0;right:0;bottom:0;z-index:90;background:var(--navy);color:#fff;box-shadow:0 -4px 24px rgba(0,0,0,.25)}
.cookiebar-in{max-width:var(--max);margin:0 auto;padding:15px 20px;display:flex;gap:18px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.cookiebar p{font-size:13.5px;color:rgba(255,255,255,.9);margin:0;max-width:72ch;line-height:1.55}
.cookiebar p a{color:var(--amber);text-decoration:underline}
.cookiebar-btns{display:flex;gap:10px;flex-shrink:0}
.cookiebar .btn{padding:10px 20px;font-size:14px}
.btn-ghost2{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.55)}
.btn-ghost2:hover{background:rgba(255,255,255,.14)}
body{font-family:var(--font);color:var(--body);background:var(--white);line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;height:auto}
a{color:var(--blue);text-decoration:none}
p a:not(.btn):not(.clink),li a:not(.btn),.fa a,.prose a{text-decoration:underline}
h1,h2,h3,h4{color:var(--ink);line-height:1.2;font-weight:800;letter-spacing:-.01em}
h1{font-size:clamp(28px,4.6vw,46px)}h2{font-size:clamp(24px,3.4vw,34px)}h3{font-size:19px}
p{margin:.6em 0}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.section{padding:64px 0}
.section.alt{background:var(--bg)}
.eyebrow{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--blue);margin-bottom:10px}
.lede{font-size:18px;color:var(--body);max-width:64ch}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;padding:14px 26px;border-radius:var(--radius);border:2px solid transparent;cursor:pointer;transition:.15s;text-align:center;line-height:1.2}
.btn-primary{background:var(--amber);color:#3a2600;border-color:var(--amber)}
.btn-primary:hover{background:var(--amber-dk);border-color:var(--amber-dk)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-blue{background:var(--blue);color:#fff;border-color:var(--blue)}
.btn-blue:hover{background:var(--blue-dk)}
/* Header */
header.site{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.96);backdrop-filter:saturate(180%) blur(6px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:18px;height:66px}
.brand{display:flex;align-items:center;gap:10px;min-width:0;text-decoration:none}
.brand-svg{flex:0 0 auto;display:flex}
.brand-svg svg{display:block}
.brand-txt{display:flex;flex-direction:column;line-height:1.05;min-width:0}
.brand-txt .b1{font-size:10.5px;font-weight:800;letter-spacing:.15em;text-transform:uppercase;color:var(--amber-text)}
.brand-txt .b2{font-size:16px;font-weight:900;letter-spacing:-.01em;color:var(--ink);white-space:nowrap}
.brand-light .brand-txt .b1{color:var(--amber)}
.brand-light .brand-txt .b2{color:#fff}
@media(max-width:420px){.brand-svg svg{width:30px;height:30px}.brand-txt .b2{font-size:15px}.nav{gap:10px}.nav-cta{padding:9px 13px!important;font-size:13px}}
.nav-links{display:flex;gap:2px;margin-left:auto;align-items:center}
.nav-item{position:relative}
.nav-top{display:inline-flex;align-items:center;gap:5px;color:var(--body);font-weight:600;font-size:14.5px;padding:8px 12px;border-radius:6px;cursor:pointer}
.nav-top::after{content:"\25BE";font-size:10px;color:var(--muted);margin-top:1px}
.nav-item:hover .nav-top,.nav-top:hover{background:var(--bg);color:var(--ink)}
.dropdown{position:absolute;top:100%;left:0;min-width:238px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow);padding:8px;display:none;flex-direction:column;gap:1px;z-index:50}
.nav-item:hover .dropdown,.nav-item:focus-within .dropdown{display:flex}
.dropdown a{padding:9px 12px;border-radius:6px;font-size:14px;color:var(--body);font-weight:600;white-space:nowrap}
.dropdown a:hover{background:var(--bg);color:var(--ink)}
.nav-cta{background:var(--amber);color:#3a2600!important;padding:10px 16px!important;border-radius:6px;font-weight:800}
.nav-cta:hover{background:var(--amber-dk)}
/* Mobile hamburger */
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:40px;background:#fff;border:1px solid var(--line);border-radius:8px;cursor:pointer;margin-left:6px;padding:0}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;margin:0 auto;transition:.2s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media(max-width:980px){
  .nav-toggle{display:flex}
  .nav-cta{margin-left:auto}
  .nav-links{position:absolute;top:66px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);box-shadow:var(--shadow);padding:8px 14px 14px;display:none;margin-left:0;max-height:calc(100vh - 66px);overflow-y:auto}
  .nav-links.open{display:flex}
  .nav-item{width:100%}
  .nav-top{display:flex;justify-content:space-between;width:100%;padding:13px 10px;font-size:16px;border-radius:8px}
  .dropdown{position:static;display:flex;box-shadow:none;border:none;border-radius:0;padding:0 0 10px 14px;min-width:0;gap:0}
  .dropdown a{padding:9px 10px;font-size:14.5px;color:var(--muted);white-space:normal}
  .dropdown a:hover{background:var(--bg);color:var(--ink)}
}
/* Hero */
.hero{background:linear-gradient(160deg,#0f2540,#17365f 70%,#1f4a7d);color:#fff;padding:66px 0 60px;position:relative;overflow:hidden}
.hero h1{color:#fff;max-width:16ch}
.hero p{color:rgba(255,255,255,.86);font-size:19px;max-width:52ch;margin-top:14px}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 26px}
.hbadge{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);border-radius:99px;padding:7px 14px;font-size:13px;font-weight:700;color:#fff}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.hero-img{border-radius:12px;overflow:hidden;box-shadow:0 24px 60px rgba(0,0,0,.35);background:#fff}
.hero-img img{width:100%;background:#fff;object-fit:contain;aspect-ratio:4/3}
@media(max-width:820px){.hero-grid{grid-template-columns:1fr;gap:26px}}
/* Value strip */
.vstrip{background:var(--navy);color:#fff;padding:0}
.vstrip .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.vitem{padding:22px 18px;text-align:center;border-right:1px solid rgba(255,255,255,.10)}
.vitem:last-child{border-right:none}
.vitem b{display:block;font-size:22px;color:var(--amber);font-weight:800}
.vitem span{font-size:13px;color:rgba(255,255,255,.8)}
@media(max-width:760px){.vstrip .wrap{grid-template-columns:1fr 1fr}.vitem:nth-child(2){border-right:none}}
/* Cards / machines */
.grid{display:grid;gap:24px}
.g3{grid-template-columns:repeat(3,1fr)}.g2{grid-template-columns:1fr 1fr}
@media(max-width:860px){.g3{grid-template-columns:1fr}.g2{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}
.card .cimg{background:#fff;padding:18px;border-bottom:1px solid var(--line)}
.card .cimg img{aspect-ratio:4/3;object-fit:contain;width:100%}
.card .cbody{padding:20px 22px;display:flex;flex-direction:column;flex:1}
.card h3{margin-bottom:6px}
.card .tag{font-size:12px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--amber-text);margin-bottom:8px}
.card p{font-size:14.5px;color:var(--body);flex:1}
.card .clink{margin-top:14px;font-weight:700;color:var(--blue)}
/* Check list */
.checks{list-style:none;margin:14px 0}
.checks li{position:relative;padding-left:28px;margin:8px 0;font-size:15px}
.checks li::before{content:"✓";position:absolute;left:0;top:0;color:var(--ok);font-weight:900}
/* Lead form */
.leadwrap{background:linear-gradient(160deg,#12294a,#1c3f6c);color:#fff;border-radius:14px;box-shadow:var(--shadow);overflow:hidden;display:grid;grid-template-columns:1fr 1fr}
.leadwrap .lp{padding:36px}
.leadwrap h2{color:#fff}
.leadwrap .lp p{color:rgba(255,255,255,.85)}
.leadform{background:#fff;padding:30px 32px}
.leadform label{display:block;font-size:13px;font-weight:700;color:var(--ink);margin:12px 0 5px}
.leadform input,.leadform select,.leadform textarea{width:100%;padding:12px 13px;border:1px solid var(--line);border-radius:7px;font-size:15px;font-family:inherit;color:var(--ink);background:#fff}
.leadform input:focus,.leadform select:focus,.leadform textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(31,95,176,.14)}
.leadform .hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.leadform .row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.leadform button{width:100%;margin-top:18px}
.form-ok{display:none;text-align:center;padding:20px}
.form-ok .em{font-size:44px}
@media(max-width:820px){.leadwrap{grid-template-columns:1fr}.leadform .row{grid-template-columns:1fr}}
/* FAQ */
.faq details{background:#fff;border:1px solid var(--line);border-radius:10px;margin:10px 0;overflow:hidden}
.faq summary{cursor:pointer;padding:16px 18px;font-weight:700;color:var(--ink);list-style:none;font-size:16px;display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--blue);font-weight:800;font-size:20px;flex-shrink:0}
.faq details[open] summary::after{content:"–"}
.faq .fa{padding:0 18px 16px;color:var(--body);font-size:15px}
/* Location chips */
.chips{display:flex;flex-wrap:wrap;gap:9px;margin-top:16px}
.chip{display:inline-block;background:#fff;border:1px solid var(--line);border-radius:99px;padding:8px 15px;font-size:14px;font-weight:600;color:var(--ink);transition:.15s}
a.chip:hover{border-color:var(--blue);color:var(--blue)}
/* Footer */
footer.site{background:var(--navy);color:rgba(255,255,255,.8);padding:48px 0 26px;font-size:14.5px}
footer.site a{color:rgba(255,255,255,.8)}footer.site a:hover{color:#fff}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;margin-bottom:28px}
footer .brand{color:#fff}footer .fh{color:#fff;font-weight:800;margin-bottom:10px;font-size:15px}
footer .fl{display:flex;flex-direction:column;gap:7px}
.fbot{border-top:1px solid rgba(255,255,255,.14);padding-top:18px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13px;color:rgba(255,255,255,.6)}
@media(max-width:760px){.fgrid{grid-template-columns:1fr}}
.center{text-align:center}.mt0{margin-top:0}
.nav-links a[aria-current]{background:var(--bg);color:var(--ink)}
/* Subpage hero */
.phero{background:linear-gradient(160deg,#0f2540,#17365f 72%,#1f4a7d);color:#fff;padding:52px 0 46px}
.phero h1{color:#fff;max-width:20ch}
.phero p{color:rgba(255,255,255,.86);font-size:18px;max-width:60ch;margin-top:12px}
.phero .eyebrow{color:var(--amber)}
.phero .hero-cta{margin-top:22px}
/* Breadcrumb */
.crumb{font-size:13px;color:var(--muted);margin-bottom:18px}
.crumb a{color:var(--blue)}
.crumb .sep{margin:0 7px;color:var(--line)}
.phero .crumb{color:rgba(255,255,255,.6)}
.phero .crumb a{color:rgba(255,255,255,.72)}
.phero .crumb .sep{color:rgba(255,255,255,.32)}
/* Answer-first box */
.answer{background:#fff;border:1px solid var(--line);border-left:4px solid var(--amber);border-radius:10px;padding:20px 24px;box-shadow:var(--shadow);margin:0 0 8px}
.answer .q{font-weight:800;color:var(--ink);font-size:17px;margin-bottom:6px}
.answer p{font-size:15.5px;color:var(--body);margin:.4em 0}
/* Article prose */
.prose{max-width:72ch;font-size:16.5px;color:var(--ink)}
.prose h2{margin:36px 0 12px;font-size:26px}
.prose h3{margin:26px 0 8px;font-size:19px}
.prose p{margin:0 0 16px;color:var(--body)}
.prose ul,.prose ol{margin:0 0 18px;padding-left:22px;color:var(--body)}
.prose li{margin:6px 0}
.prose a{color:var(--blue);font-weight:600}
.prose strong{color:var(--ink)}
.prose blockquote{border-left:3px solid var(--amber);background:var(--bg);padding:12px 18px;margin:0 0 18px;border-radius:0 8px 8px 0;color:var(--ink)}
.byline{font-size:13.5px;color:var(--muted);margin-bottom:6px}
.updated{font-size:13px;color:var(--muted);margin-top:4px}
/* Spec / compare table */
.tbl{width:100%;border-collapse:collapse;font-size:14.5px;margin:8px 0 20px;overflow:hidden;border-radius:10px;border:1px solid var(--line)}
.tbl th,.tbl td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line)}
.tbl th{background:var(--navy);color:#fff;font-size:13px;font-weight:700}
.tbl tr:last-child td{border-bottom:none}
.tbl td:first-child{font-weight:700;color:var(--ink)}
.tbl tbody tr:nth-child(even){background:var(--bg)}
.tblwrap{overflow-x:auto}
/* Related / hub cards */
.rgrid{display:grid;gap:18px;grid-template-columns:repeat(3,1fr)}
@media(max-width:860px){.rgrid{grid-template-columns:1fr}}
.rcard{display:block;background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px;box-shadow:var(--shadow);transition:.15s}
.rcard:hover{transform:translateY(-2px);border-color:var(--blue)}
.rcard .tag{font-size:12px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--amber-text);margin-bottom:8px}
.rcard h3{margin-bottom:6px}
.rcard p{font-size:14.5px;color:var(--body)}
.rcard .clink{margin-top:12px;font-weight:700;color:var(--blue);display:inline-block}
/* Two-column content + rail */
.split{display:grid;grid-template-columns:1fr 340px;gap:44px;align-items:start}
@media(max-width:900px){.split{grid-template-columns:1fr}}
.rail{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:22px;position:sticky;top:86px}
.rail h3{font-size:17px;margin-bottom:6px}
.rail p{font-size:14px;color:var(--body);margin-bottom:12px}
/* Savings calculator */
.calc-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}
@media(max-width:820px){.calc-grid{grid-template-columns:1fr}}
.calc-in{background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px;box-shadow:var(--shadow)}
.calc-in label{display:block;font-size:13px;font-weight:700;color:var(--ink);margin:14px 0 5px}
.calc-in label:first-child{margin-top:0}
.calc-in .hint{font-weight:500;color:var(--muted);font-size:12px}
.calc-in input{width:100%;padding:12px 13px;border:1px solid var(--line);border-radius:7px;font-size:15px;color:var(--ink)}
.calc-in input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(31,95,176,.14)}
.calc-out{background:linear-gradient(160deg,#12294a,#1c3f6c);color:#fff;border-radius:12px;padding:28px;box-shadow:var(--shadow)}
.calc-out .big{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:10px;padding:18px 20px;margin-bottom:14px}
.calc-out .big .lbl{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--amber)}
.calc-out .big .val{font-size:34px;font-weight:900;line-height:1.1;margin-top:4px}
.calc-out .row2{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:14px}
.calc-out .stat{background:rgba(255,255,255,.06);border-radius:8px;padding:12px 14px}
.calc-out .stat .lbl{font-size:11px;color:rgba(255,255,255,.7);font-weight:600;text-transform:uppercase;letter-spacing:.05em}
.calc-out .stat .val{font-size:20px;font-weight:800;margin-top:2px}
/* Industry stat cards */
.statgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:22px 0}
@media(max-width:760px){.statgrid{grid-template-columns:1fr}}
.statcard{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:22px;border-top:3px solid var(--amber)}
.statcard .n{font-size:30px;font-weight:900;color:var(--blue);line-height:1}
.statcard .t{font-size:14px;color:var(--body);margin-top:7px}