:root{
  --ink:#0f1f2e; --ink-2:#3b4b5a; --muted:#6b7a88; --line:#e3e8ee;
  --bg:#ffffff; --bg-2:#f4f7f9; --brand:#d1202f; --brand-dark:#a51723;
  --accent:#0b5d4b; --radius:14px; --max:1160px;
}
*{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;font-size:17px}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.btn{display:inline-block;padding:14px 26px;border-radius:999px;font-weight:600;text-decoration:none;font-size:16px;transition:.15s}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark)}
.btn-ghost{border:1.5px solid currentColor}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--brand)}
h1{font-size:clamp(34px,5vw,56px);line-height:1.08;letter-spacing:-.02em;font-weight:800}
h2{font-size:clamp(28px,3.4vw,40px);line-height:1.15;letter-spacing:-.015em;font-weight:800;margin:10px 0 16px}
h3{font-size:19px;font-weight:700;margin-bottom:6px}
section{padding:88px 0}
.lead{font-size:19px;color:var(--ink-2);max-width:680px}
.alt{background:var(--bg-2)}

header{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.logo{font-weight:800;font-size:20px;text-decoration:none;letter-spacing:-.01em;white-space:nowrap}
.logo span{color:var(--brand)}
.logo small{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.02em;margin-top:-3px}
.nav ul{display:flex;gap:24px;list-style:none;font-size:15px;font-weight:500}
.nav ul a{text-decoration:none;color:var(--ink-2)}
.nav ul a:hover{color:var(--ink)}
@media(max-width:1500px){.nav ul{display:none}}

.hero{background:radial-gradient(1200px 500px at 85% 20%,#1d3a52 0%,#0f1f2e 60%);color:#fff;padding:96px 0 120px}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.hero .eyebrow{color:#ff8a93}
.hero h1{margin:14px 0 20px}
.hero p{font-size:20px;color:#d6dee6;max-width:620px;margin-bottom:34px}
.hero .actions{display:flex;gap:14px;flex-wrap:wrap}
.hero .btn-ghost{color:#fff}
.hero-img{background:#fff;border-radius:20px;padding:18px;box-shadow:0 30px 60px rgba(0,0,0,.35);transform:rotate(1.5deg)}
.hero-img img{border-radius:12px;width:100%}
.trust{display:flex;gap:28px;flex-wrap:wrap;margin-top:46px;font-size:14px;color:#b9c5d0}
.trust b{color:#fff;font-size:22px;display:block;font-weight:800}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr}.hero-img{transform:none}}

.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:-60px;position:relative}
.pillar{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:0 10px 30px rgba(15,31,46,.07)}
.pillar .num{width:42px;height:42px;border-radius:12px;background:#fdecee;color:var(--brand);display:grid;place-items:center;font-weight:800;margin-bottom:16px}
.pillar p{color:var(--ink-2);font-size:16px}
.section-pillars{padding-top:0}
@media(max-width:860px){.pillars{grid-template-columns:1fr;margin-top:40px}}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px;margin-top:40px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;text-decoration:none;display:flex;flex-direction:column;transition:.15s}
.card:hover{border-color:var(--brand);transform:translateY(-2px)}
.card .pic{margin:-26px -26px 18px;aspect-ratio:4/3;background:#fff;border-bottom:1px solid var(--line);border-radius:var(--radius) var(--radius) 0 0;overflow:hidden;position:relative}
.card .pic img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;padding:12px}
.card .tag{font-size:12px;font-weight:600;color:var(--accent);background:#e6f2ef;border-radius:999px;padding:3px 10px;align-self:flex-start;margin-bottom:14px}
.card p{color:var(--ink-2);font-size:15px;flex:1}
.card .more{margin-top:16px;font-weight:600;color:var(--brand);font-size:15px}

.sizes{margin-top:40px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;display:grid;grid-template-columns:.8fr 1.2fr;gap:30px;align-items:center}
.sizes svg{width:100%;height:auto}
.sizes h3{font-size:24px}
.sizes p{color:var(--ink-2);font-size:16px;margin-top:8px}
@media(max-width:860px){.sizes{grid-template-columns:1fr}}

.split{display:grid;grid-template-columns:1.05fr 1fr;gap:60px;align-items:center}
.split img.photo{border-radius:var(--radius);aspect-ratio:4/3;object-fit:contain;width:100%;background:#fff;border:1px solid var(--line);padding:20px}
.story p{color:var(--ink-2);margin-bottom:16px}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:26px}
.compare div{border-radius:12px;padding:18px;font-size:15px}
.compare .them{background:var(--bg-2);color:var(--muted)}
.compare .us{background:#fdecee;color:var(--ink)}
.compare b{display:block;margin-bottom:6px;font-size:14px;text-transform:uppercase;letter-spacing:.06em}
@media(max-width:860px){.split{grid-template-columns:1fr;gap:36px}}

table.vs{width:100%;border-collapse:separate;border-spacing:0;margin-top:36px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;font-size:16px}
table.vs th,table.vs td{padding:18px 20px;text-align:left;border-bottom:1px solid var(--line)}
table.vs tr:last-child td{border-bottom:0}
table.vs thead th{background:var(--ink);color:#fff;font-size:14px;letter-spacing:.04em;text-transform:uppercase}
table.vs thead th.us{background:var(--brand)}
table.vs td.us{font-weight:700;color:var(--ink);background:#fff7f8}
table.vs td:first-child{font-weight:600;color:var(--ink-2)}
@media(max-width:640px){table.vs{font-size:14px}table.vs th,table.vs td{padding:12px 10px}}

.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:40px;counter-reset:s}
.step{border-top:3px solid var(--brand);padding-top:20px}
.step::before{counter-increment:s;content:"0" counter(s);font-weight:800;color:var(--brand);font-size:14px;letter-spacing:.08em}
.step h3{margin-top:8px}
.step p{color:var(--ink-2);font-size:15px}
@media(max-width:860px){.steps{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.steps{grid-template-columns:1fr}}
.note{font-size:13px;color:var(--muted);margin-top:22px}

.kit{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center}
.kit img{border-radius:var(--radius);box-shadow:0 20px 50px rgba(15,31,46,.15)}
.kit ul{list-style:none;margin:20px 0 30px}
.kit li{padding-left:30px;position:relative;margin-bottom:10px;color:var(--ink-2)}
.kit li::before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:800}
@media(max-width:860px){.kit{grid-template-columns:1fr}}

.dark{background:var(--ink);color:#fff}
.dark .lead{color:#c8d3dd}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:28px 20px;margin:40px 0}
.stats div{border-left:2px solid var(--brand);padding-left:16px}
.stats b{font-size:34px;font-weight:800;display:block;line-height:1.1}
.stats span{color:#aebccb;font-size:14px}
@media(max-width:760px){.stats{grid-template-columns:1fr 1fr}}
.video{position:relative;padding-top:56.25%;border-radius:var(--radius);overflow:hidden;background:#000}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

.aud{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:40px}
.aud div{padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.aud p{color:var(--ink-2);font-size:15px}
@media(max-width:860px){.aud{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.aud{grid-template-columns:1fr}}

.docs{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:18px;margin-top:36px}
.doc{border:1px solid var(--line);border-radius:var(--radius);padding:22px;background:#fff}
.doc b{display:block;font-size:17px;margin-bottom:4px}
.doc span{color:var(--ink-2);font-size:15px}

.maps{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:36px}
.map{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.map .frame{position:relative;height:300px;background:var(--bg-2)}
.map iframe{width:100%;height:100%;border:0;display:block}
.map .soon{position:absolute;inset:0;background:rgba(15,31,46,.55);display:grid;place-items:center;text-align:center;color:#fff;padding:20px}
.map .soon b{display:block;font-size:26px;font-weight:800}
.map .soon span{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:#ffb3b9;font-weight:700}
.map .info{padding:20px 22px}
.map .info p{color:var(--ink-2);font-size:15px}
.map .info a{color:var(--brand);font-weight:600;font-size:15px}
@media(max-width:860px){.maps{grid-template-columns:1fr}}

.faq{max-width:820px;margin-top:30px}
details{border-bottom:1px solid var(--line);padding:20px 0}
summary{cursor:pointer;font-weight:600;font-size:18px;list-style:none;display:flex;justify-content:space-between;gap:16px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--brand);font-size:24px;line-height:1}
details[open] summary::after{content:"–"}
details p{color:var(--ink-2);margin-top:10px}

.form-wrap{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:start}
form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;display:grid;gap:16px}
label{font-size:14px;font-weight:600;display:grid;gap:6px}
input,select,textarea{font:inherit;font-size:16px;padding:12px 14px;border:1px solid #cfd8e0;border-radius:10px;width:100%;background:#fff;color:var(--ink)}
textarea{min-height:110px;resize:vertical}
.row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
form .btn{border:0;cursor:pointer;justify-self:start}
form small{color:var(--muted);font-size:13px}
.checks{list-style:none;margin-top:24px}
.checks li{padding-left:30px;position:relative;margin-bottom:12px;color:var(--ink-2)}
.checks li::before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:800}
@media(max-width:860px){.form-wrap{grid-template-columns:1fr}.row{grid-template-columns:1fr}}

footer{background:var(--ink);color:#aebccb;padding:46px 0;font-size:14px}
footer .cols{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
footer b{color:#fff}
footer a{color:#fff}

/* product & tool pages */
.crumbs{font-size:14px;color:#b9c5d0;margin-bottom:18px}
.crumbs a{color:#fff;text-decoration:none}
.p-hero{background:radial-gradient(1200px 500px at 85% 20%,#1d3a52 0%,#0f1f2e 60%);color:#fff;padding:64px 0 80px}
.p-hero .eyebrow{color:#ff8a93}
.p-hero h1{margin:12px 0 18px;font-size:clamp(30px,4.4vw,48px)}
.p-hero p{font-size:19px;color:#d6dee6;max-width:680px}
.tool{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;margin-top:-50px;position:relative;box-shadow:0 10px 30px rgba(15,31,46,.08);display:grid;grid-template-columns:1fr 1fr;gap:34px}
.tool .inputs{display:grid;gap:16px;align-content:start}
.tool .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.tool .row3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}
.unit{display:flex;gap:6px;margin-bottom:4px}
.unit button{font:inherit;font-size:14px;border:1.5px solid var(--line);background:#fff;border-radius:999px;padding:6px 14px;cursor:pointer;color:var(--ink-2)}
.unit button[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:#fff}
.out{background:var(--bg-2);border-radius:12px;padding:24px;display:grid;gap:14px;align-content:start}
.out .big{font-size:38px;font-weight:800;line-height:1.1;color:var(--ink)}
.out .big small{font-size:16px;font-weight:600;color:var(--ink-2)}
.out .line{display:flex;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding-top:12px;font-size:16px}
.out .line b{white-space:nowrap}
.out .good{color:var(--accent)}
.out .bad{color:var(--brand)}
.out .cta{margin-top:6px}
.tool-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px;margin-top:30px}
.tool-cards a{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;text-decoration:none;transition:.15s}
.tool-cards a:hover{border-color:var(--brand);transform:translateY(-2px)}
.tool-cards p{color:var(--ink-2);font-size:15px}
.tool-cards .more{display:block;margin-top:12px;font-weight:600;color:var(--brand);font-size:15px}
.prose{max-width:780px}
.prose p,.prose li{color:var(--ink-2);margin-bottom:14px}
.prose ul{padding-left:20px}
.prose code{background:var(--bg-2);padding:2px 6px;border-radius:6px;font-size:15px}
@media(max-width:860px){.tool{grid-template-columns:1fr;margin-top:30px}.tool .row,.tool .row3{grid-template-columns:1fr 1fr}}

/* footer */
.site-foot{background:var(--ink);color:#aebccb;padding:64px 0 28px;font-size:15px}
.site-foot a{color:#d6dee6;text-decoration:none}
.site-foot a:hover{color:#fff}
.fgrid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1.3fr;gap:36px}
.flogo{color:#fff;font-size:22px;display:inline-block;margin-bottom:12px}
.fbrand p{font-size:15px;line-height:1.6;max-width:320px}
.badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.badges span{font-size:12px;font-weight:600;color:#d6dee6;border:1px solid #2c4357;border-radius:999px;padding:4px 10px}
.site-foot h4{color:#fff;font-size:13px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:14px}
.site-foot ul{list-style:none}
.site-foot li{margin-bottom:9px;line-height:1.5}
.fcontact li{color:#aebccb}
.fcta{margin-top:10px;padding:10px 20px;font-size:14px;color:#fff!important}
.fbottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid #22384b;margin-top:44px;padding-top:22px;font-size:13px}
.fnote{font-size:12px;color:#7f90a0;margin-top:12px;max-width:900px}
@media(max-width:960px){.fgrid{grid-template-columns:1fr 1fr}.fbrand{grid-column:1/-1}}
@media(max-width:520px){.fgrid{grid-template-columns:1fr}}

/* guides */
.article{font-size:18px}
.article h2{font-size:28px;margin-top:40px}
.article h3{font-size:21px;margin-top:28px;margin-bottom:10px}
.article ol{padding-left:22px}
.article li{margin-bottom:10px}
.tldr{background:#fff7f8;border-left:4px solid var(--brand);border-radius:0 12px 12px 0;padding:20px 24px;margin-bottom:10px}
.tldr p{margin:8px 0 0}
.checklist{background:var(--bg-2);border-radius:12px;padding:18px 22px;margin:10px 0 16px}
.checklist p{margin:8px 0}
.sources li{margin-bottom:6px}
.links{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.links a{font-size:15px;border:1px solid var(--line);border-radius:999px;padding:8px 14px;text-decoration:none;color:var(--ink-2);background:#fff}
.links a:hover{border-color:var(--brand);color:var(--ink)}
table.spec{width:100%;border-collapse:separate;border-spacing:0;margin-top:20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;font-size:16px}
table.spec th,table.spec td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line)}
table.spec tr:last-child td{border-bottom:0}
table.spec thead th{background:var(--ink);color:#fff;font-size:13px;letter-spacing:.05em;text-transform:uppercase}
table.spec td:first-child{font-weight:700}
.tbl{overflow-x:auto;margin-bottom:16px}

/* products dropdown */
.nav .dd{position:relative}
.nav .dd-m{display:none;position:absolute;top:100%;left:-16px;margin-top:10px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 20px 50px rgba(15,31,46,.15);padding:10px;width:560px;grid-template-columns:1fr 1fr;gap:2px}
.nav .dd-m::before{content:"";position:absolute;top:-12px;left:0;right:0;height:12px}
.nav .dd:hover .dd-m,.nav .dd:focus-within .dd-m{display:grid}
.nav .dd-m a{display:block;padding:10px 12px;border-radius:10px;text-decoration:none}
.nav .dd-m a:hover{background:var(--bg-2)}
.nav .dd-m b{display:block;color:var(--ink);font-size:15px}
.nav .dd-m span{display:block;color:var(--muted);font-size:13px;font-weight:400}

/* product pages */
.p-hero .hero-grid{align-items:center}
.p-hero .actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}
.p-hero .btn-ghost{color:#fff}
.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:-50px;position:relative}
.fact{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:0 10px 30px rgba(15,31,46,.07)}
.fact b{display:block;font-size:22px;font-weight:800;color:var(--ink)}
.fact span{font-size:14px;color:var(--ink-2)}
@media(max-width:860px){.facts{grid-template-columns:1fr 1fr;margin-top:30px}}
.facts-wrap{padding-top:0;padding-bottom:40px}
.types{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px;margin-top:36px}
.type{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column}
.type .pic{aspect-ratio:4/3;position:relative;border-bottom:1px solid var(--line)}
.type .pic img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;padding:12px}
.type .txt{padding:20px 22px}
.type p{color:var(--ink-2);font-size:15px}
.spec-list{list-style:none;margin-top:20px;columns:2;column-gap:40px}
.spec-list li{padding-left:28px;position:relative;margin-bottom:12px;color:var(--ink-2);break-inside:avoid}
.spec-list li::before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:800}
@media(max-width:700px){.spec-list{columns:1}}
.custom-band{background:#fff7f8;border:1px solid #f6d3d7;border-radius:var(--radius);padding:24px 28px;margin-top:30px;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.custom-band p{color:var(--ink-2);margin-top:4px}

/* faq + side card */
.faq-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:56px;align-items:start;margin-top:30px}
.faq-grid .faq{max-width:none;margin-top:0}
.faq-aside{position:sticky;top:96px}
.faq-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:0 10px 30px rgba(15,31,46,.07)}
.faq-card h3{font-size:21px;margin:8px 0 8px}
.faq-card p{color:var(--ink-2);font-size:15px}
.faq-mail{display:block;font-weight:700;color:var(--brand);margin:16px 0;text-decoration:none;word-break:break-all}
.faq-card .btn{display:block;text-align:center}
.faq-card .checks{margin-top:18px}
.faq-card .checks li{font-size:14px;margin-bottom:8px}
@media(max-width:960px){.faq-grid{grid-template-columns:1fr}.faq-aside{position:static}}

/* mobile menu */
.menu-btn{display:none;font:inherit;font-size:24px;line-height:1;background:none;border:1px solid var(--line);border-radius:10px;width:44px;height:44px;cursor:pointer;color:var(--ink)}
@media(max-width:1500px){
  header .nav{position:relative}
  .menu-btn{display:block;order:3}
  header .nav>.btn{order:2;padding:9px 14px!important;font-size:14px!important;white-space:nowrap;margin-left:auto}
  .logo small{display:none}
  .nav.open ul{display:flex;flex-direction:column;gap:0;position:absolute;top:68px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 20px 40px rgba(15,31,46,.12);padding:8px 20px 16px;max-height:calc(100vh - 68px);overflow-y:auto}
  .nav.open ul>li>a{display:block;padding:12px 0;border-bottom:1px solid var(--line);font-size:17px;color:var(--ink)}
  .nav.open .dd-t{pointer-events:none}
  .nav.open .dd-m{display:grid!important;position:static;width:auto;margin:0 0 6px;box-shadow:none;border:0;padding:0 0 0 10px;grid-template-columns:1fr}
  .nav.open .dd-m::before{display:none}
  .nav.open .dd-m a{padding:8px 0}
  .nav.open .dd-m span{display:none}
}
@media(max-width:1500px){
  header .nav{gap:10px}
  .logo{font-size:17px}
  header .nav>.btn{padding:8px 12px!important;font-size:13px!important}
}
@media(max-width:360px){ header .nav>.btn{display:none} }

.nav ul a{white-space:nowrap}

.lang-sw{display:flex;gap:2px;align-items:center;margin-right:14px;font-size:13px}.lang-sw a{color:#5b6774;text-decoration:none;font-weight:600;padding:4px 6px;border-radius:6px}.lang-sw a:hover{color:#0f1f2e;background:#f3f5f7}.lang-sw a.on{color:#d1202f}
@media(max-width:900px){.lang-sw{margin-right:6px}.lang-sw a{padding:4px 4px}}

.nav>.btn{white-space:nowrap}
@media(max-width:1500px){.lang-sw{order:1;margin-left:auto}.nav>.btn{margin-left:0!important}}
@media(max-width:560px){header .nav>.btn{display:none}.lang-sw{font-size:12px;margin-right:4px}.lang-sw a{padding:3px 4px}.logo small{display:none}}