:root{
  --ink:#0b2545; --ink2:#13315c; --accent:#ff7a1a; --accent2:#e85d04;
  --bg:#f8fafc; --card:#fff; --line:#e2e8f0; --muted:#5a6b85;
  --ok:#16a34a; --wa:#25d366; --radius:12px;
  --shadow:0 1px 2px rgba(11,37,69,.06),0 8px 24px rgba(11,37,69,.08);
  --shadow-lg:0 12px 40px rgba(11,37,69,.14);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;font-size:16.5px}
img,svg{max-width:100%;height:auto;display:block}
a{color:var(--ink2)}
a:hover{color:var(--accent2)}
.wrap{max-width:1180px;margin-inline:auto;padding-inline:20px}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:.6rem 1rem;z-index:100}
.skip:focus{left:8px;top:8px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
.header-in{display:flex;align-items:center;gap:1.2rem;min-height:70px}
.brand{display:flex;align-items:center;gap:.6rem;text-decoration:none;color:var(--ink);font-weight:800;font-size:1.05rem;line-height:1.15}
.brand small{display:block;font-weight:600;color:var(--muted);font-size:.7rem;letter-spacing:.04em}
.brand-mark{flex:none}
.nav{margin-left:auto}
.nav>ul{display:flex;align-items:center;gap:.2rem;list-style:none}
.nav a{display:block;text-decoration:none;color:var(--ink);font-weight:600;font-size:.93rem;padding:.55rem .7rem;border-radius:8px}
.nav a:hover{background:#eef3fa;color:var(--ink)}
.nav li{position:relative}
.nav .drop{position:absolute;top:100%;left:0;min-width:265px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow-lg);padding:.45rem;list-style:none;opacity:0;visibility:hidden;transform:translateY(6px);transition:.15s}
.nav li:hover>.drop,.nav li:focus-within>.drop{opacity:1;visibility:visible;transform:none}
.nav .drop a{padding:.5rem .7rem;font-weight:500}
.nav .drop small{display:block;color:var(--muted);font-weight:400;font-size:.76rem}
.nav .caret{font-size:.62rem;opacity:.6;margin-left:.15rem}
.btn{display:inline-flex;align-items:center;gap:.5rem;background:var(--accent);color:#fff!important;text-decoration:none;font-weight:700;padding:.68rem 1.25rem;border-radius:10px;border:none;cursor:pointer;font-size:.95rem;transition:.15s}
.btn:hover{background:var(--accent2);transform:translateY(-1px)}
.btn-outline{background:transparent;color:var(--ink)!important;border:2px solid var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff!important}
.btn-wa{background:var(--wa)}
.btn-wa:hover{background:#1da851}
.btn-lg{padding:.85rem 1.6rem;font-size:1.05rem}
.header-call{white-space:nowrap}
.nav-toggle{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:8px;padding:.5rem .7rem;font-size:1.2rem;cursor:pointer;color:var(--ink)}

/* ---------- hero ---------- */
.hero{background:linear-gradient(160deg,#0b2545 0%,#13315c 60%,#1c4377 100%);color:#fff;overflow:hidden}
.hero-in{display:grid;grid-template-columns:1.05fr .95fr;gap:2.5rem;align-items:center;padding-block:4.2rem}
.hero .kicker{display:inline-block;background:rgba(255,122,26,.16);color:#ffb27d;border:1px solid rgba(255,122,26,.4);padding:.3rem .8rem;border-radius:999px;font-size:.8rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase}
.hero h1{font-size:clamp(2.1rem,4.4vw,3.3rem);line-height:1.12;margin:.9rem 0 1rem;letter-spacing:-.02em}
.hero h1 em{font-style:normal;color:#ffa55e}
.hero p.lead{color:#c9d6ea;font-size:1.13rem;max-width:34rem}
.hero-cta{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.5rem}
.hero-points{display:flex;flex-wrap:wrap;gap:1.4rem;margin-top:1.6rem;list-style:none;color:#c9d6ea;font-size:.92rem}
.hero-points li::before{content:"✔";color:var(--accent);margin-right:.45rem;font-weight:700}
.hero-art{position:relative}
.hero-art .badge-float{position:absolute;background:#fff;color:var(--ink);border-radius:12px;box-shadow:var(--shadow-lg);padding:.6rem .9rem;font-size:.82rem;font-weight:700;display:flex;gap:.5rem;align-items:center}
.hero-art .badge-float b{color:var(--accent2)}
.bf1{top:6%;left:-4%}
.bf2{bottom:8%;right:-2%}

/* ---------- page hero (inner) ---------- */
.page-hero{background:linear-gradient(160deg,#0b2545,#1c4377);color:#fff;padding-block:2.6rem 2.2rem}
.page-hero h1{font-size:clamp(1.7rem,3.4vw,2.5rem);line-height:1.15;margin:.5rem 0 .6rem;letter-spacing:-.015em}
.page-hero p{color:#c9d6ea;max-width:52rem;font-size:1.06rem}
.crumbs{font-size:.82rem;color:#9db2cf}
.crumbs a{color:#c9d6ea;text-decoration:none}
.crumbs a:hover{color:#fff}
.crumbs span[aria-current]{color:#ffa55e;font-weight:600}

/* ---------- sections ---------- */
.section{padding-block:3.6rem}
.section.alt{background:#fff;border-block:1px solid var(--line)}
.section h2{font-size:clamp(1.45rem,2.6vw,2rem);letter-spacing:-.015em;line-height:1.2;margin-bottom:.4rem}
.section .sub{color:var(--muted);max-width:46rem;margin-bottom:1.8rem}
.grid{display:grid;gap:1.2rem}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow);transition:.18s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.card h3{font-size:1.08rem;margin:.7rem 0 .4rem}
.card p{color:var(--muted);font-size:.93rem}
.card .ico{width:46px;height:46px;border-radius:10px;background:#fff1e3;color:var(--accent2);display:grid;place-items:center}
.card .ico svg{width:24px;height:24px}
.card a.more{display:inline-block;margin-top:.7rem;font-weight:700;font-size:.88rem;color:var(--accent2);text-decoration:none}
.card a.more:hover{text-decoration:underline}
.ico-sq{width:46px;height:46px;border-radius:10px;background:#fff1e3;color:var(--accent2);display:grid;place-items:center;font-size:1.35rem;flex:none}

/* steps */
.steps{counter-reset:st;display:grid;gap:1.2rem;grid-template-columns:repeat(4,1fr)}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.4rem;position:relative}
.step::before{counter-increment:st;content:counter(st);width:34px;height:34px;border-radius:50%;background:var(--ink);color:#fff;display:grid;place-items:center;font-weight:800;margin-bottom:.7rem}
.step h3{font-size:1rem;margin-bottom:.3rem}
.step p{color:var(--muted);font-size:.9rem}

/* split rows */
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:2.6rem;align-items:center}
.split.rev{grid-template-columns:.9fr 1.1fr}
.split .art{border-radius:16px;overflow:hidden;box-shadow:var(--shadow-lg)}
.check-list{list-style:none;display:grid;gap:.55rem;margin-top:1rem}
.check-list li{padding-left:1.7rem;position:relative}
.check-list li::before{content:"✔";position:absolute;left:0;top:.05rem;color:var(--ok);font-weight:800}

/* machine-type image cards */
.type-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.18s;margin:0}
.type-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.type-card img{width:100%;height:auto;display:block;background:#eef3fa}
.type-card .tc-body{padding:1.2rem 1.4rem 1.4rem}
.type-card h3{font-size:1.08rem;margin:0 0 .4rem}
.type-card p{color:var(--muted);font-size:.93rem;margin:0 0 .7rem}
.type-card a.more{font-weight:700;font-size:.88rem;color:var(--accent2);text-decoration:none}
.type-card a.more:hover{text-decoration:underline}

/* problem category cards */
.prob-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:0;box-shadow:var(--shadow);overflow:hidden}
.prob-card>img{width:100%;height:auto;display:block}
.prob-card .pc-body{padding:1.3rem 1.5rem 1.4rem}
.prob-card h3{font-size:1.02rem;margin:0 0 .6rem;display:flex;gap:.55rem;align-items:center}
.prob-card h3 .ico-sq{width:36px;height:36px;font-size:1.05rem}
.prob-card ul{list-style:none;display:grid;gap:.45rem;margin:0;padding:0}
.prob-card li{padding-left:1.2rem;position:relative;color:var(--muted);font-size:.93rem}
.prob-card li::before{content:"›";position:absolute;left:.15rem;color:var(--accent2);font-weight:800}
.prob-card a{color:var(--ink2);text-decoration:none;font-weight:600}
.prob-card a:hover{text-decoration:underline;color:var(--accent2)}

/* tools strip */
.tool-strip{display:grid;gap:1rem;grid-template-columns:repeat(4,1fr);margin-top:1.4rem}
.tool-strip .tool{background:#fff;border:1px solid var(--line);border-radius:12px;padding:1rem;text-align:center;font-size:.9rem;font-weight:600;color:var(--ink2);box-shadow:var(--shadow)}
.tool-strip .tool span{display:block;font-size:1.6rem;margin-bottom:.3rem}

/* cycle stages */
.cycle{list-style:none;counter-reset:cyc;display:grid;gap:1rem;grid-template-columns:repeat(5,1fr);margin:1.4rem 0 0;padding:0}
.cycle li{background:#fff;border:1px solid var(--line);border-radius:12px;padding:1rem;box-shadow:var(--shadow);counter-increment:cyc;font-size:.9rem;color:var(--muted)}
.cycle li::before{content:counter(cyc);display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--accent2);color:#fff;font-weight:800;margin-bottom:.5rem}
.cycle li b{display:block;color:var(--ink);margin-bottom:.2rem}

/* diagnostic flow infographic */
.flow-fig{margin:1.6rem 0 0}
.flow{list-style:none;display:flex;flex-wrap:wrap;gap:1.1rem;margin:0;padding:0}
.flow li{flex:1 1 130px;background:#fff;border:1px solid var(--line);border-top:4px solid var(--accent2);border-radius:12px;padding:.9rem .9rem .8rem;box-shadow:var(--shadow);position:relative;text-align:left}
.flow li b{display:block;font-size:.9rem;margin-bottom:.25rem}
.flow li small{color:var(--muted);font-size:.8rem;line-height:1.35;display:block}
.flow li i{font-style:normal;display:inline-grid;place-items:center;width:24px;height:24px;border-radius:50%;background:var(--ink);color:#fff;font-weight:800;font-size:.75rem;margin-bottom:.5rem}
.flow li::after{content:"→";position:absolute;right:-.85rem;top:50%;transform:translateY(-50%);color:var(--accent2);font-weight:800;font-size:1.05rem;z-index:1}
.flow li:last-child::after{content:none}
.flow-fig figcaption{margin-top:.8rem;font-size:.85rem;color:var(--muted);text-align:center}
.step-fig{max-width:720px;margin:1.2rem auto 0}
.step-fig img{width:100%;height:auto;display:block;border-radius:var(--radius);box-shadow:var(--shadow)}
.step-fig figcaption{margin-top:.6rem;font-size:.85rem;color:var(--muted);text-align:center}
@media(max-width:600px){
  .flow{flex-direction:column}
  .flow li::after{content:"↓";right:auto;left:50%;top:auto;bottom:-1.05rem;transform:translateX(-50%)}
  .flow li:last-child::after{content:none}
}
.diag details{background:#fff;border:1px solid var(--line);border-radius:10px;margin-top:1rem;padding:0;box-shadow:var(--shadow)}
.diag summary{cursor:pointer;font-weight:700;padding:.9rem 1.1rem}
.diag details .a{padding:0 1.1rem .9rem;color:var(--muted);font-size:.93rem}

/* doorstep process infographics */
.how-grid{display:grid;gap:1.1rem;grid-template-columns:repeat(4,1fr);margin-top:1.6rem}
.how-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.1rem 1.1rem 1rem;box-shadow:var(--shadow);margin:0;text-align:center}
.how-card svg{width:100%;max-width:130px;height:auto;display:block;margin:0 auto .6rem}
.how-card h3{font-size:1rem;margin:0 0 .4rem}
.how-card p{color:var(--muted);font-size:.88rem;margin:0 0 .6rem}
.how-card p a{color:var(--accent2);font-weight:600;text-decoration:none}
.how-card p a:hover{text-decoration:underline}
.how-badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);width:26px;height:26px;border-radius:50%;background:var(--accent2);color:#fff;font-weight:800;font-size:.85rem;display:grid;place-items:center;box-shadow:var(--shadow)}
.how-links{font-size:.82rem;margin:0}
.how-links a{color:var(--ink2);font-weight:600;text-decoration:none}
.how-links a:hover{color:var(--accent2);text-decoration:underline}
.how-card:not(:last-child)::after{content:"→";position:absolute;right:-.9rem;top:50%;transform:translateY(-50%);color:var(--accent2);font-weight:800;font-size:1.05rem;z-index:1}
.how-grid.how-6{grid-template-columns:repeat(6,1fr)}
@media(max-width:1100px){
  .how-grid.how-6{grid-template-columns:repeat(3,1fr)}
  .how-grid.how-6 .how-card:nth-child(3)::after{content:none}
  .how-grid.how-6 .how-card{margin-top:.9rem}
  .how-grid.how-6{margin-top:0}
}
@media(max-width:900px){
  .how-grid.how-6{grid-template-columns:repeat(2,1fr)}
  .how-grid.how-6 .how-card:nth-child(2n)::after{content:none}
  .how-grid.how-6 .how-card:nth-child(3)::after{content:"→"}
}
@media(max-width:900px){
  .how-grid{grid-template-columns:repeat(2,1fr)}
  .how-card:nth-child(2)::after{content:none}
}
@media(max-width:600px){
  .how-grid.how-6{grid-template-columns:1fr}
  .how-grid.how-6 .how-card:nth-child(3)::after{content:none}
}
@media(max-width:600px){
  .how-grid{grid-template-columns:1fr}
  .how-card::after{content:"↓"!important;right:auto!important;left:50%!important;top:auto!important;bottom:-1.15rem!important;transform:translateX(-50%)!important}
  .how-card:last-child::after{content:none!important}
}

/* table */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow)}
table{width:100%;border-collapse:collapse;font-size:.94rem;min-width:560px}
th,td{text-align:left;padding:.85rem 1.1rem;border-bottom:1px solid var(--line)}
th{background:#f1f5fb;font-size:.8rem;text-transform:uppercase;letter-spacing:.05em;color:var(--ink2)}
tr:last-child td{border-bottom:none}
td b{color:var(--accent2)}

/* FAQ */
.faq details{background:#fff;border:1px solid var(--line);border-radius:10px;margin-bottom:.7rem;box-shadow:var(--shadow)}
.faq summary{cursor:pointer;font-weight:700;padding:1rem 1.2rem;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:1rem}
.faq summary::after{content:"+";font-size:1.3rem;color:var(--accent2);flex:none}
.faq details[open] summary::after{content:"–"}
.faq .a{padding:0 1.2rem 1.1rem;color:var(--muted);font-size:.95rem}

/* brand strip / logos */
.logo-strip{display:flex;flex-wrap:wrap;gap:.6rem;justify-content:center}
.logo-strip span{background:#fff;border:1px solid var(--line);border-radius:8px;padding:.5rem 1.1rem;font-weight:800;font-size:.9rem;color:var(--ink2);letter-spacing:.02em}
.logo-strip span:hover{border-color:var(--accent);color:var(--accent2)}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem;text-align:center}

/* location zone grid (Design B) */
.zone-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin:1.4rem 0}
.zone{background:#fff;border:1px solid var(--line);border-left:4px solid var(--accent2);border-radius:10px;padding:.9rem 1.1rem;box-shadow:var(--shadow)}
.zone dt{font-weight:800;color:var(--ink);margin-bottom:.25rem}
.zone dd{margin:0;color:var(--muted);font-size:.9rem;line-height:1.5}
@media(max-width:900px){.zone-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.zone-grid{grid-template-columns:1fr}}
.stat b{display:block;font-size:2.1rem;color:var(--accent);letter-spacing:-.02em}
.stat span{color:var(--muted);font-size:.9rem}

/* quote band */
.band{background:var(--ink);color:#fff;border-radius:18px;padding:2.4rem;display:flex;align-items:center;justify-content:space-between;gap:1.5rem;flex-wrap:wrap}
.band h2{color:#fff;margin:0}
.band p{color:#c9d6ea;margin-top:.3rem}

/* article body */
.prose h2{margin-top:2.2rem}
.prose h3{margin-top:1.5rem;font-size:1.15rem}
.prose p{margin-bottom:1rem;color:#31415c}
.prose ul,.prose ol{margin:0 0 1rem 1.3rem;color:#31415c}
.prose li{margin-bottom:.35rem}

/* ---------- footer ---------- */
.site-footer{background:#081a33;color:#b8c6dc;margin-top:0;font-size:.92rem}
.footer-in{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1fr;gap:2rem;padding-block:3rem}
.site-footer h3{color:#fff;font-size:.95rem;text-transform:uppercase;letter-spacing:.06em;margin-bottom:.9rem}
.site-footer ul{list-style:none;display:grid;gap:.45rem}
.site-footer a{color:#b8c6dc;text-decoration:none}
.site-footer a:hover{color:#ffa55e}
.site-footer .nap b{color:#fff;font-size:1.15rem}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-block:1.1rem;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.82rem;color:#8296b4}

/* ---------- floating call / whatsapp ---------- */
.float-actions{position:fixed;right:18px;bottom:18px;z-index:90;display:flex;flex-direction:column;gap:.7rem}
.float-actions a{width:56px;height:56px;border-radius:50%;display:grid;place-items:center;box-shadow:var(--shadow-lg);transition:.15s;position:relative}
.float-actions a:hover{transform:scale(1.08)}
.float-call{background:var(--accent);color:#fff}
.float-wa{background:var(--wa);color:#fff}
.float-actions svg{width:27px;height:27px}
.float-actions .tip{position:absolute;right:66px;top:50%;transform:translateY(-50%);background:var(--ink);color:#fff;font-size:.75rem;font-weight:700;padding:.35rem .7rem;border-radius:8px;white-space:nowrap;opacity:0;pointer-events:none;transition:.15s}
.float-actions a:hover .tip{opacity:1}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(255,122,26,.5)}70%{box-shadow:0 0 0 14px rgba(255,122,26,0)}100%{box-shadow:0 0 0 0 rgba(255,122,26,0)}}
.float-call{animation:pulse 2.4s infinite}

/* misc */

/* related content module */
.rel-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1rem;list-style:none;margin:1.2rem 0 0;padding:0}
.rel-grid li{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:1rem 1.1rem;box-shadow:var(--shadow)}
.rel-grid li a{font-weight:700;color:var(--ink);text-decoration:none}
.rel-grid li a:hover{color:var(--accent2)}
.rel-grid li p{margin:.4rem 0 0;font-size:.9rem;color:var(--muted)}
@media(max-width:600px){.rel-grid{grid-template-columns:1fr}}
.tag{display:inline-block;background:#fff1e3;color:var(--accent2);font-size:.75rem;font-weight:800;padding:.2rem .6rem;border-radius:6px;letter-spacing:.04em;text-transform:uppercase}
.stars{color:#f5a623;letter-spacing:.1em}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:2rem}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem;box-shadow:var(--shadow)}
.contact-card b.big{font-size:1.3rem;color:var(--accent2)}
.note{background:#fff7ed;border:1px solid #fed7aa;border-radius:10px;padding:1rem 1.2rem;color:#7c4a12;font-size:.93rem}

/* ---------- responsive ---------- */
@media(max-width:1020px){
  .hero-in,.split,.split.rev,.contact-grid{grid-template-columns:1fr}
  .hero-art{max-width:520px;margin-inline:auto}
  .g3,.g4,.steps,.stats,.footer-in{grid-template-columns:repeat(2,1fr)}
  .tool-strip,.cycle{grid-template-columns:repeat(2,1fr)}
  .bf1,.bf2{display:none}
}
@media(max-width:860px){
  .nav-toggle{display:block}
  .nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-lg);padding:1rem 1.2rem;max-height:75vh;overflow:auto}
  .nav.open{display:block}
  .nav>ul{flex-direction:column;align-items:stretch;gap:0}
  .nav>ul>li>a{padding:.8rem .5rem;border-bottom:1px solid var(--line);border-radius:0}
  .nav .drop{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;padding-left:1rem;display:none}
  .nav li.open>.drop{display:block}
  .header-call{display:none}
}
@media(max-width:600px){
  .g2,.g3,.g4,.steps,.stats,.footer-in,.tool-strip,.cycle{grid-template-columns:1fr}
  .section{padding-block:2.6rem}
  .hero-in{padding-block:2.8rem}
  .band{padding:1.8rem}
}