/* ============================================================
   COAT & SEAL — Design Tokens & Base Styles
   Blueprint/Technical palette per brand blueprint (Palette A)
   ============================================================ */
:root{
  --navy:#0B2A4A;
  --navy-deep:#081f38;
  --steel:#1F5B8B;
  --cyan:#22A7D6;
  --concrete:#E8EDF1;
  --orange:#F26B1D;
  --orange-dark:#d95a12;
  --ink:#101820;
  --slate:#43525f;
  --line:#c9d4dd;
  --white:#fff;
  --green:#1f9d55;
  --amber:#e0a92c;
  --radius:12px;
  --radius-sm:8px;
  --shadow-soft:0 10px 40px -12px rgba(11,42,74,.25);
  --shadow-card:0 6px 24px -8px rgba(11,42,74,.18);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  color:var(--ink);
  background:#fff;
  line-height:1.65;
  font-size:16.5px;
  overflow-x:hidden;
}
h1,h2,h3,h4{font-family:'Archivo',sans-serif;line-height:1.12;letter-spacing:-.01em;color:var(--navy)}
a{color:inherit}
img{display:block;max-width:100%;height:auto}
.mono{font-family:'IBM Plex Mono',monospace}
.wrap{max-width:1220px;margin:auto;padding-left:24px;padding-right:24px}
section{padding:88px 0}
.sec-label{font-family:'IBM Plex Mono';font-size:12.5px;letter-spacing:.16em;color:var(--steel);text-transform:uppercase;margin-bottom:12px;display:flex;align-items:center;gap:10px}
.sec-label::before{content:"";width:28px;height:2px;background:var(--orange)}
h2.sec{font-size:38px;margin-bottom:16px;max-width:760px}
.lead{color:var(--slate);max-width:680px;margin-bottom:36px;font-size:17.5px}
.center{text-align:center;margin-left:auto;margin-right:auto}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 26px;border-radius:8px;font-weight:700;font-size:15px;text-decoration:none;border:2px solid transparent;cursor:pointer;transition:.2s ease;white-space:nowrap}
.btn-o{background:var(--orange);color:#fff;box-shadow:0 8px 22px -8px rgba(242,107,29,.55)}
.btn-o:hover{background:var(--orange-dark);transform:translateY(-1px)}
.btn-ghost{border-color:rgba(255,255,255,.5);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{background:var(--navy-deep)}
.btn-outline-navy{border-color:var(--navy);color:var(--navy)}
.btn-outline-navy:hover{background:var(--navy);color:#fff}
.btn-sm{padding:10px 18px;font-size:13.5px}

/* ---------- Top bar + Nav ---------- */
.topbar{background:var(--navy-deep);color:#cfe0ee;font-size:12.5px;padding:8px 0;}
.topbar-in{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:center}
.topbar .mono{color:#8fc6e8;letter-spacing:.03em}
.topbar a{color:#fff;text-decoration:none;font-weight:700}

header.nav{background:var(--navy);color:#fff;position:sticky;top:0;z-index:100;border-bottom:3px solid var(--orange)}
.nav-in{display:flex;align-items:center;gap:30px;padding:16px 0}
.logo{font-family:'Archivo';font-weight:800;font-size:22px;letter-spacing:.02em;text-decoration:none;color:#fff;display:flex;align-items:center;gap:8px}
.logo .mark{width:30px;height:30px;position:relative;flex-shrink:0}
.logo .mark .r1{position:absolute;width:20px;height:20px;background:var(--cyan);border-radius:4px;top:0;left:0}
.logo .mark .r2{position:absolute;width:20px;height:20px;background:var(--orange);border-radius:4px;bottom:0;right:0}
.logo span{color:var(--orange)}
.nav-links{margin-left:auto;display:flex;gap:24px;font-size:14.5px;font-weight:600;align-items:center}
.nav-links a{color:#dbe7f2;text-decoration:none;transition:.15s}
.nav-links a:hover{color:#fff}
.nav-links .dropdown{position:relative}
.nav-links .dropdown-menu{display:none;position:absolute;top:130%;left:-10px;background:#fff;border-radius:10px;box-shadow:var(--shadow-soft);min-width:260px;padding:10px;z-index:50}
.nav-links .dropdown:hover .dropdown-menu{display:block}
.nav-links .dropdown-menu a{display:block;color:var(--ink);padding:10px 12px;border-radius:6px;font-weight:500;font-size:14px}
.nav-links .dropdown-menu a:hover{background:var(--concrete);color:var(--navy)}
.mobile-toggle{display:none;background:none;border:none;color:#fff;font-size:26px;cursor:pointer}

/* ---------- Hero ---------- */
.hero{background:var(--navy);color:#fff;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);background-size:38px 38px;pointer-events:none}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-media img{width:100%;height:100%;object-fit:cover;opacity:.38}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(11,42,74,.97) 15%,rgba(11,42,74,.75) 55%,rgba(11,42,74,.4) 100%)}
.hero-in{position:relative;z-index:2;padding:100px 0 76px;display:grid;grid-template-columns:1.15fr .85fr;gap:50px;align-items:center}
.eyebrow{font-family:'IBM Plex Mono';font-size:12.5px;letter-spacing:.16em;color:var(--cyan);text-transform:uppercase;margin-bottom:16px;font-weight:600}
.hero h1{font-size:56px;font-weight:800;margin-bottom:18px;color:#fff}
.hero h1 em{font-style:normal;color:var(--orange)}
.hero p.sub{color:#c9d9e8;font-size:18.5px;max-width:560px;margin-bottom:30px}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px}
.spec-card{background:rgba(14,51,88,.85);backdrop-filter:blur(6px);border:1px solid #2a557f;border-radius:var(--radius);padding:26px;font-size:14px;box-shadow:var(--shadow-soft)}
.spec-card h3{font-size:13px;font-family:'IBM Plex Mono';letter-spacing:.1em;color:var(--cyan);text-transform:uppercase;margin-bottom:14px;font-weight:600}
.spec-card table{width:100%;border-collapse:collapse;font-family:'IBM Plex Mono';font-size:13px}
.spec-card td{padding:8px 4px;border-bottom:1px dashed #2a557f;color:#dbe7f2}
.spec-card td:last-child{text-align:right;color:#fff;font-weight:600}
.spec-note{margin-top:14px;color:#8fc6e8;font-size:12px;text-align:center}

.trust{background:var(--navy-deep);border-top:1px solid #1d4265;color:#cfe0ee;font-size:14px}
.trust-in{padding:16px 0;display:flex;gap:28px;flex-wrap:wrap;justify-content:center}
.trust b{color:#fff}
.trust span{display:flex;align-items:center;gap:8px}
.trust span::before{content:"✓";color:#4ade80;font-weight:800}

/* ---------- Cards / grids ---------- */
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;display:flex;flex-direction:column;transition:.25s ease;box-shadow:var(--shadow-card)}
.card:hover{transform:translateY(-5px);box-shadow:0 16px 36px -12px rgba(11,42,74,.28)}
.card .media{height:190px;overflow:hidden;position:relative}
.card .media img{width:100%;height:100%;object-fit:cover;transition:.4s ease}
.card:hover .media img{transform:scale(1.06)}
.card .media .tag{position:absolute;bottom:10px;left:10px;background:rgba(11,42,74,.85);color:#fff;font-family:'IBM Plex Mono';font-size:11px;padding:5px 10px;border-radius:5px;letter-spacing:.05em}
.card .body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card h3{font-size:19px}
.card p{font-size:14.5px;color:var(--slate)}
.card .spec{font-family:'IBM Plex Mono';font-size:12px;color:var(--steel);background:var(--concrete);border-radius:5px;padding:9px 11px}
.card a.cta-link{margin-top:auto;color:var(--steel);font-weight:700;font-size:14px;text-decoration:none;display:flex;align-items:center;gap:6px}
.card a.cta-link:hover{color:var(--orange)}

/* ---------- Diagnostics band ---------- */
.band-diag{background:var(--navy);color:#fff;position:relative;overflow:hidden}
.band-diag::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:38px 38px}
.band-diag .wrap{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.band-diag h2{font-size:34px;margin-bottom:14px;color:#fff}
.band-diag p{color:#c9d9e8}
.checks{list-style:none;margin-top:20px;display:grid;gap:12px;font-size:15px}
.checks li{display:flex;gap:10px;align-items:flex-start}
.checks li::before{content:"✓";color:#4ade80;font-weight:800;flex-shrink:0}
.diag-media{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-soft);position:relative}
.diag-media img{width:100%;height:340px;object-fit:cover}
.report{background:rgba(14,51,88,.9);border:1px solid #2a557f;border-radius:var(--radius);padding:26px;font-family:'IBM Plex Mono';font-size:13px;color:#dbe7f2;margin-top:20px}
.report h4{color:var(--cyan);font-size:12px;letter-spacing:.12em;margin-bottom:14px}
.report .row{display:flex;justify-content:space-between;border-bottom:1px dashed #2a557f;padding:8px 0}
.report .pass{color:#4ade80;font-weight:600}.report .fail{color:#fbbf24;font-weight:600}

/* ---------- Warranty table ---------- */
table.wty{width:100%;border-collapse:collapse;font-size:15px;margin-top:10px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-card)}
table.wty th{background:var(--navy);color:#fff;text-align:left;padding:14px 16px;font-size:13px;letter-spacing:.06em;text-transform:uppercase}
table.wty td{padding:14px 16px;border-bottom:1px solid var(--line);background:#fff}
table.wty tr:nth-child(even) td{background:#f4f7fa}
.yes{color:var(--green);font-weight:700}

/* ---------- Process ---------- */
.proc{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:30px}
.step{border-top:4px solid var(--orange);background:#f7fafc;border-radius:0 0 var(--radius-sm) var(--radius-sm);overflow:hidden;box-shadow:var(--shadow-card)}
.step .media{height:150px;overflow:hidden}
.step .media img{width:100%;height:100%;object-fit:cover}
.step .body{padding:20px}
.step .n{font-family:'IBM Plex Mono';color:var(--steel);font-weight:600;font-size:13px}
.step h3{font-size:17px;margin:8px 0}
.step p{font-size:14px;color:var(--slate)}

/* ---------- Commercial ---------- */
.commercial{background:var(--concrete)}
.commercial-hero{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-soft);margin-bottom:40px}
.commercial-hero img{width:100%;height:380px;object-fit:cover}

/* ---------- Before/After ---------- */
.ba-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:30px}
.ba-card{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-card);background:#fff}
.ba-card .media{position:relative}
.ba-card img{width:100%;height:220px;object-fit:cover}
.ba-card .body{padding:18px}
.ba-card h4{font-size:15px;margin-bottom:6px}
.ba-card .spec{font-family:'IBM Plex Mono';font-size:11.5px;color:var(--steel)}

/* ---------- Testimonials ---------- */
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:30px}
.testi{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-card)}
.testi .stars{color:var(--amber);font-size:16px;margin-bottom:12px;letter-spacing:2px}
.testi p{font-size:15px;color:var(--slate);margin-bottom:16px;font-style:italic}
.testi .who{font-weight:700;font-size:14px;color:var(--navy)}
.testi .loc{font-size:12.5px;color:var(--slate)}

/* ---------- Areas ---------- */
.area-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.area-pill{background:#fff;border:1px solid var(--line);border-radius:30px;padding:9px 18px;font-size:14px;font-weight:600;color:var(--navy)}

/* ---------- FAQ ---------- */
.faq details{border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:12px;padding:18px 20px;background:#fff;transition:.2s}
.faq details[open]{border-color:var(--steel);box-shadow:var(--shadow-card)}
.faq summary{font-weight:700;cursor:pointer;font-size:16px;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:22px;color:var(--orange);font-weight:800}
.faq details[open] summary::after{content:"–"}
.faq p{margin-top:12px;color:var(--slate);font-size:15px}

/* ---------- CTA final ---------- */
.cta-final{background:var(--navy);color:#fff;text-align:center;position:relative;overflow:hidden}
.cta-final-media{position:absolute;inset:0;z-index:0}
.cta-final-media img{width:100%;height:100%;object-fit:cover;opacity:.28}
.cta-final-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,42,74,.9),rgba(8,31,56,.97))}
.cta-final .wrap{position:relative;z-index:2}
.cta-final h2{font-size:38px;margin-bottom:12px;color:#fff}
.cta-final p{color:#c9d9e8;margin-bottom:26px;font-size:17px}

/* ---------- Footer ---------- */
footer{background:var(--navy-deep);color:#9fb4c7;font-size:13.5px;padding:56px 0 24px}
.foot-in{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;margin-bottom:36px}
footer h4{color:#fff;font-size:14px;margin-bottom:14px;letter-spacing:.04em}
footer a{color:#cfe0ee;text-decoration:none;display:block;margin-bottom:8px;font-size:13.5px}
footer a:hover{color:#fff}
.foot-logo{font-family:'Archivo';font-weight:800;font-size:20px;color:#fff;margin-bottom:12px}
.foot-logo span{color:var(--orange)}
.foot-bottom{border-top:1px solid #1d4265;padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:12.5px}
.disclaimer-box{background:rgba(255,255,255,.04);border:1px solid #1d4265;border-radius:8px;padding:16px 18px;font-size:12.5px;color:#9fb4c7;margin-bottom:28px;line-height:1.6}

/* ---------- Sticky mobile CTA ---------- */
.sticky-call{display:none;position:fixed;bottom:0;left:0;right:0;background:var(--orange);color:#fff;text-align:center;padding:16px;font-weight:800;text-decoration:none;font-size:16px;z-index:999;box-shadow:0 -6px 20px rgba(0,0,0,.2)}

/* ---------- Breadcrumb / page hero (interior pages) ---------- */
.page-hero{background:var(--navy);color:#fff;padding:64px 0 56px;position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:38px 38px}
.page-hero .wrap{position:relative}
.breadcrumb{font-size:13px;color:#8fc6e8;margin-bottom:14px;font-family:'IBM Plex Mono'}
.breadcrumb a{color:#8fc6e8;text-decoration:none}
.page-hero h1{color:#fff;font-size:42px;margin-bottom:10px}
.page-hero p{color:#c9d9e8;font-size:17px;max-width:640px}

/* ---------- Utility ---------- */
.badge{display:inline-block;background:var(--concrete);color:var(--steel);font-family:'IBM Plex Mono';font-size:11.5px;padding:6px 12px;border-radius:20px;font-weight:600;letter-spacing:.04em}
.split-media{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-soft)}
.split-media img{width:100%;height:100%;object-fit:cover}
.icon-list{list-style:none;display:grid;gap:14px;margin-top:20px}
.icon-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--slate)}
.icon-list li b{color:var(--navy)}
.num-badge{width:30px;height:30px;border-radius:50%;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;font-family:'IBM Plex Mono';font-size:13px;font-weight:700;flex-shrink:0}

@media(max-width:960px){
  .hero-in,.band-diag .wrap,.grid2{grid-template-columns:1fr}
  .hero h1{font-size:38px}
  .grid4,.proc{grid-template-columns:1fr 1fr}
  .grid3,.ba-grid,.testi-grid{grid-template-columns:1fr 1fr}
  .foot-in{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
  section{padding:56px 0}
  h2.sec{font-size:30px}
}
/* ---------- Contact / Lead form (contact.html) ---------- */
.map-placeholder{background:var(--concrete);border:1px dashed var(--line);border-radius:var(--radius-sm);height:160px;display:flex;align-items:center;justify-content:center;color:var(--steel);font-family:'IBM Plex Mono';font-size:13px;letter-spacing:.06em;text-transform:uppercase}
.lead-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-card)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-group{margin-bottom:18px}
.form-label{display:block;font-size:13px;font-weight:700;color:var(--navy);margin-bottom:6px}
.form-input{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:var(--radius-sm);font-family:'Inter',sans-serif;font-size:14.5px;color:var(--ink);background:#fff;transition:.15s}
.form-input:focus{outline:none;border-color:var(--steel);box-shadow:0 0 0 3px rgba(31,91,139,.15)}
textarea.form-input{resize:vertical}
.form-hint{font-size:12.5px;color:var(--slate);margin-top:6px}
.form-check{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--slate);line-height:1.6;margin:20px 0 22px}
.form-check input{margin-top:4px;flex-shrink:0}
@media(max-width:640px){.form-row{grid-template-columns:1fr}}

@media(max-width:640px){
  .grid4,.proc,.grid3,.ba-grid,.testi-grid,.foot-in{grid-template-columns:1fr}
  .sticky-call{display:block}
  body{padding-bottom:64px}
  .hero h1{font-size:32px}
  .topbar-in{justify-content:center;text-align:center}
  .cta-row{flex-direction:column}
  .cta-row .btn{width:100%;justify-content:center}
}