/* Precision Exhaust Cleaning — styles */
:root{
  --navy:#0e2038;
  --navy-2:#13294a;
  --steel:#1c3a5e;
  --accent:#ff6a2b;
  --accent-2:#e8481f;
  --ink:#1a2433;
  --muted:#5c6b7e;
  --line:#e5eaf0;
  --bg:#ffffff;
  --bg-alt:#f4f7fb;
  --radius:14px;
  --shadow:0 10px 30px rgba(14,32,56,.10);
  --shadow-lg:0 24px 60px rgba(14,32,56,.18);
  --maxw:1140px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
h1,h2,h3,h4{font-family:'Barlow Condensed',Impact,sans-serif;line-height:1.05;letter-spacing:.5px;color:var(--navy)}
h1{font-size:clamp(2.4rem,6vw,4.2rem);font-weight:700;text-transform:uppercase}
h2{font-size:clamp(1.9rem,4vw,2.9rem);font-weight:700;text-transform:uppercase}
h3{font-size:1.35rem;font-weight:600}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
em{color:var(--accent-2);font-style:normal;font-weight:600}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.9rem 1.6rem;border-radius:999px;font-weight:700;font-size:.98rem;cursor:pointer;border:2px solid transparent;transition:.2s;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;box-shadow:0 8px 20px rgba(232,72,31,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(232,72,31,.45)}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.6)}
.btn-ghost:hover{background:#fff;color:var(--navy)}
.btn-light{background:#fff;color:var(--navy)}
.btn-light:hover{transform:translateY(-2px)}
.btn-block{width:100%;justify-content:center;margin-top:.4rem}

/* Topbar */
.topbar{background:var(--navy);color:#c9d6e6;font-size:.85rem}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;padding:.5rem 24px;flex-wrap:wrap;gap:.3rem}
.topbar a{color:#fff;font-weight:500}
.topbar a:hover{color:var(--accent)}
.topbar-sep{margin:0 .5rem;opacity:.4}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);transition:.2s}
.site-header.scrolled{box-shadow:var(--shadow)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:.7rem 24px}
.brand{display:flex;align-items:center;gap:.6rem}
.brand-mark{display:grid;place-items:center}
.brand-text{font-family:'Barlow Condensed',sans-serif;font-weight:700;font-size:1.5rem;text-transform:uppercase;letter-spacing:.5px;color:var(--navy);line-height:.95}
.brand-text span{display:block;font-size:.72rem;letter-spacing:3px;color:var(--accent);font-weight:600}
.brand-text.light{color:#fff}
.nav{display:flex;align-items:center;gap:1.6rem}
.nav a{font-weight:600;font-size:.95rem;color:var(--ink)}
.nav a:hover{color:var(--accent-2)}
.nav .nav-cta{background:var(--navy);color:#fff;padding:.55rem 1.2rem;border-radius:999px}
.nav .nav-cta:hover{background:var(--accent-2);color:#fff}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.nav-toggle span{width:26px;height:3px;background:var(--navy);border-radius:2px;transition:.25s}
.nav-toggle.active span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* Hero */
.hero{position:relative;color:#fff;overflow:hidden;isolation:isolate}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;z-index:-2;transform:scale(1.03)}
.hero-overlay{position:absolute;inset:0;z-index:-1;background:linear-gradient(120deg,rgba(9,20,38,.92) 0%,rgba(12,28,52,.78) 45%,rgba(12,28,52,.45) 100%)}
.hero-content{padding:6.5rem 24px 5rem;max-width:820px}
.eyebrow{display:inline-block;background:rgba(255,106,43,.18);border:1px solid rgba(255,106,43,.5);color:#ffb894;padding:.35rem 1rem;border-radius:999px;font-size:.8rem;font-weight:600;letter-spacing:1px;text-transform:uppercase;margin-bottom:1.3rem}
.hero h1{color:#fff;text-shadow:0 2px 30px rgba(0,0,0,.35)}
.hero-sub{font-size:1.18rem;color:#dbe6f3;margin:1.4rem 0 2rem;max-width:640px}
.hero-actions{display:flex;gap:1rem;flex-wrap:wrap}
.hero-badges{list-style:none;display:flex;gap:1.6rem;flex-wrap:wrap;margin-top:2.4rem;color:#bcd0e6;font-weight:600;font-size:.92rem}

/* Trust strip */
.trust{background:var(--navy-2);color:#fff}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;padding:1.8rem 24px}
.trust-item{text-align:center;padding:.4rem;border-right:1px solid rgba(255,255,255,.1)}
.trust-item:last-child{border-right:0}
.trust-item strong{display:block;font-family:'Barlow Condensed',sans-serif;font-size:1.5rem;color:var(--accent);letter-spacing:.5px}
.trust-item span{font-size:.85rem;color:#b9c9dc}

/* Sections */
.section{padding:5rem 0}
.section-alt{background:var(--bg-alt)}
.section-head{text-align:center;max-width:720px;margin:0 auto 3rem}
.kicker{display:inline-block;color:var(--accent-2);font-weight:700;letter-spacing:2px;text-transform:uppercase;font-size:.82rem;margin-bottom:.6rem}
.kicker.light{color:var(--accent)}
.section-head p{color:var(--muted);font-size:1.08rem;margin-top:.8rem}

/* Service cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:2rem 1.7rem;transition:.25s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.card-icon{width:56px;height:56px;display:grid;place-items:center;font-size:1.7rem;background:linear-gradient(135deg,#fff2ea,#ffe0d0);border-radius:12px;margin-bottom:1.1rem}
.card h3{margin-bottom:.5rem}
.card p{color:var(--muted);font-size:.97rem}

/* Why */
.why-grid{display:grid;grid-template-columns:1fr 1fr;gap:3.5rem;align-items:center}
.why-media img{border-radius:var(--radius);box-shadow:var(--shadow-lg);width:100%;height:100%;object-fit:cover;max-height:520px}
.why-text h2{margin:.4rem 0 1rem}
.why-text>p{color:var(--muted);margin-bottom:1.4rem}
.checklist{list-style:none;display:grid;gap:1rem;margin-bottom:1.8rem}
.checklist li{position:relative;padding-left:2rem;color:var(--muted)}
.checklist li strong{color:var(--ink)}
.checklist li::before{content:"✔";position:absolute;left:0;top:0;color:#fff;background:var(--accent);width:1.4rem;height:1.4rem;border-radius:50%;display:grid;place-items:center;font-size:.75rem;font-weight:700}

/* Compliance / frequency table */
.freq-table{max-width:860px;margin:0 auto;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.freq-row{display:grid;grid-template-columns:180px 1fr;gap:1rem;align-items:center;padding:1.1rem 1.6rem;border-bottom:1px solid var(--line)}
.freq-row:last-child{border-bottom:0}
.freq-head{background:var(--navy);color:#fff;font-family:'Barlow Condensed',sans-serif;text-transform:uppercase;letter-spacing:1px;font-size:1.05rem}
.freq-row:not(.freq-head):nth-child(even){background:var(--bg-alt)}
.freq-badge{font-family:'Barlow Condensed',sans-serif;font-weight:700;text-transform:uppercase;text-align:center;padding:.35rem .6rem;border-radius:8px;font-size:.95rem;letter-spacing:.5px}
.freq-badge.monthly{background:#ffe0d0;color:var(--accent-2)}
.freq-badge.quarterly{background:#ffedd8;color:#b4560e}
.freq-badge.semi{background:#e2ecf7;color:var(--steel)}
.freq-badge.annual{background:#e6f4ea;color:#2f7d46}
.freq-row span:last-child{color:var(--muted)}
.fineprint{text-align:center;color:var(--muted);margin-top:1.6rem;font-size:.95rem}
.fineprint.light{color:#b9c9dc}

/* Service area (dark) */
.section-dark{background:var(--navy);color:#fff}
.section-dark h2{color:#fff}
.area-grid{display:grid;grid-template-columns:1fr 1fr;gap:3.5rem;align-items:center}
.area-text>p{color:#c3d2e4;margin-bottom:1.6rem}
.area-list{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:.7rem;margin-bottom:1.4rem}
.area-list li{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:8px;padding:.55rem .4rem;text-align:center;font-weight:600;font-size:.9rem}
.area-media img{border-radius:var(--radius);box-shadow:var(--shadow-lg);width:100%;object-fit:cover;max-height:460px}

/* Pills */
.pill-grid{display:flex;flex-wrap:wrap;gap:.9rem;justify-content:center}
.pill{background:#fff;border:1px solid var(--line);border-radius:999px;padding:.7rem 1.4rem;font-weight:600;color:var(--steel);box-shadow:var(--shadow);font-size:.98rem}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:2.2rem 1.5rem 1.6rem;text-align:center}
.step-num{position:absolute;top:-22px;left:50%;transform:translateX(-50%);width:46px;height:46px;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;border-radius:50%;display:grid;place-items:center;font-family:'Barlow Condensed',sans-serif;font-size:1.5rem;font-weight:700;box-shadow:0 8px 18px rgba(232,72,31,.4)}
.step h3{margin:.6rem 0 .5rem}
.step p{color:var(--muted);font-size:.95rem}

/* Quotes */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.quote{background:var(--bg-alt);border-radius:var(--radius);padding:2rem;border-left:4px solid var(--accent)}
.quote p{font-size:1.05rem;color:var(--ink);margin-bottom:1rem}
.quote cite{font-style:normal;color:var(--muted);font-size:.85rem;font-weight:600}

/* CTA band */
.cta-band{background:linear-gradient(120deg,var(--accent-2),var(--accent));color:#fff}
.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:2rem;padding:3rem 24px;flex-wrap:wrap}
.cta-band h2{color:#fff}
.cta-band p{font-size:1.1rem;opacity:.95}
.cta-actions{display:flex;gap:1rem;flex-wrap:wrap}
.cta-band .btn-primary{background:var(--navy);box-shadow:0 8px 20px rgba(0,0,0,.25)}

/* Contact */
.contact-wrap{display:grid;grid-template-columns:320px 1fr;gap:2.5rem;align-items:start}
.contact-info{position:sticky;top:90px;display:grid;gap:1.4rem}
.contact-list{list-style:none;display:grid;gap:.9rem;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem;box-shadow:var(--shadow)}
.contact-list li{display:grid;grid-template-columns:66px 1fr;align-items:center;padding-bottom:.8rem;border-bottom:1px solid var(--line);font-size:.95rem}
.contact-list li:last-child{border-bottom:0;padding-bottom:0}
.contact-list span{color:var(--accent-2);font-weight:700;text-transform:uppercase;font-size:.72rem;letter-spacing:1px}
.contact-list a{font-weight:600;color:var(--ink);word-break:break-word}
.info-note{background:var(--navy);color:#cddaea;border-radius:var(--radius);padding:1.6rem}
.info-note strong{color:#fff;font-size:1.05rem;display:block;margin-bottom:.4rem}
.info-note p{font-size:.9rem;margin-bottom:1rem}

.contact-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1rem 2rem 2rem;box-shadow:var(--shadow)}
.contact-form fieldset{border:0;border-top:1px solid var(--line);padding:1.3rem 0 .2rem;margin:0}
.contact-form fieldset:first-of-type{border-top:0;padding-top:.6rem}
.contact-form legend{font-family:'Barlow Condensed',sans-serif;font-size:1.15rem;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--navy);padding:0}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.contact-form label{display:block;font-weight:600;font-size:.82rem;color:var(--steel);margin-bottom:1rem}
.contact-form .req{color:var(--accent-2)}
.field-label{display:block;font-weight:600;font-size:.82rem;color:var(--steel);margin:.2rem 0 .7rem}
.contact-form input,.contact-form textarea,.contact-form select{width:100%;margin-top:.35rem;padding:.7rem .85rem;border:1px solid var(--line);border-radius:10px;font:inherit;font-weight:400;color:var(--ink);background:var(--bg-alt);transition:.15s}
.contact-form select{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%235c6b7e' d='M6 8 0 2l1.4-1.4L6 5.2 10.6.6 12 2z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .9rem center;padding-right:2.2rem;cursor:pointer}
.contact-form input:focus,.contact-form textarea:focus,.contact-form select:focus{outline:none;border-color:var(--accent);background:#fff;box-shadow:0 0 0 3px rgba(255,106,43,.15)}
.checkbox-grid{display:grid;grid-template-columns:1fr 1fr;gap:.6rem;margin-bottom:1rem}
.check{display:flex!important;align-items:center;gap:.5rem;font-weight:500!important;font-size:.9rem!important;color:var(--ink)!important;background:var(--bg-alt);border:1px solid var(--line);border-radius:8px;padding:.6rem .8rem;cursor:pointer;margin-bottom:0!important}
.check input{width:auto!important;margin:0!important}
.check:hover{border-color:var(--accent)}
.file-field{margin-bottom:1rem}
.file-field input[type=file]{display:none}
.file-label{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;cursor:pointer;border:2px dashed #cfd9e4;border-radius:12px;padding:1rem 1.2rem;background:var(--bg-alt);transition:.15s;margin-bottom:0!important}
.file-label:hover{border-color:var(--accent);background:#fff}
.file-btn{background:var(--navy);color:#fff;padding:.55rem 1.1rem;border-radius:999px;font-weight:700;font-size:.9rem;white-space:nowrap}
.file-hint{font-size:.82rem;color:var(--muted);font-weight:500;flex:1;min-width:180px}
.form-disclaimer{text-align:center;color:var(--muted);font-size:.82rem;margin-top:.7rem}
.form-note{margin-top:1rem;font-size:.92rem;font-weight:600;text-align:center}
.form-note.ok{color:#2f7d46}
.form-note.err{color:var(--accent-2)}

/* Footer */
.site-footer{background:#0a1728;color:#a9bace}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr 1.3fr;gap:2rem;padding:3.5rem 24px 2.5rem}
.footer-brand p{margin-top:.9rem;font-size:.92rem;max-width:320px}
.footer-col h4{color:#fff;font-size:1.05rem;margin-bottom:1rem;letter-spacing:1px}
.footer-col a,.footer-col span{display:block;color:#a9bace;font-size:.92rem;margin-bottom:.6rem}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);font-size:.85rem}
.footer-bottom .container{display:flex;justify-content:space-between;padding-top:1.2rem;padding-bottom:1.2rem;flex-wrap:wrap;gap:.5rem}

/* Responsive */
@media(max-width:900px){
  .cards,.steps,.quotes{grid-template-columns:repeat(2,1fr)}
  .why-grid,.area-grid,.contact-wrap{grid-template-columns:1fr;gap:2.4rem}
  .contact-info{position:static}
  .why-media{order:-1}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .trust-item:nth-child(2){border-right:0}
  .area-list{grid-template-columns:repeat(3,1fr)}
  .footer-inner{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  .nav{position:fixed;inset:0 0 auto 0;top:0;flex-direction:column;background:var(--navy);padding:5rem 2rem 2rem;transform:translateX(100%);transition:.3s;height:100vh;gap:1.5rem;align-items:flex-start}
  .nav.open{transform:translateX(0)}
  .nav a{color:#fff;font-size:1.2rem}
  .nav-toggle{display:flex;z-index:60}
  .nav-toggle.active span{background:#fff}
  .cards,.steps,.quotes,.form-row,.checkbox-grid{grid-template-columns:1fr}
  .freq-row{grid-template-columns:120px 1fr;padding:1rem}
  .topbar-inner{justify-content:center;text-align:center}
  .topbar-item{display:none}
  .cta-inner{flex-direction:column;text-align:center}
  .footer-inner{grid-template-columns:1fr}
  .hero-content{padding:4rem 24px 3.5rem}
}