:root{
  --navy:#182E3E; --navy-800:#1F3B50; --navy-050:#EEF3F5;
  --teal:#17B794;          /* brand accent - dark surfaces / fills only */
  --teal-ink:#0E7A63;      /* teal for text on white  (5.27:1) */
  --teal-btn:#0C6B57;      /* teal for buttons        (6.45:1) */
  --ink:#16202B; --muted:#54636F; --line:#E1E7EA;
  --bg:#FFFFFF; --bg-alt:#F5F8F7;
  --amber-bg:#FFF3CD; --amber-ink:#7A5200;
  --wrap:1180px; --r:14px;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI","Helvetica Neue",Arial,"Noto Sans",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--sans);color:var(--ink);background:var(--bg);
  font-size:17px;line-height:1.62;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--teal-ink)}
h1,h2,h3,h4{color:var(--navy);line-height:1.2;margin:0 0 .5em;letter-spacing:-.02em;font-weight:700}
h1{font-size:clamp(2rem,4.4vw,3.1rem)}
h2{font-size:clamp(1.55rem,2.9vw,2.2rem)}
h3{font-size:1.12rem;letter-spacing:-.01em}
p{margin:0 0 1.05em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.wrap--narrow{max-width:880px}
.section{padding:82px 0}
.section--alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--dark{background:var(--navy);color:#D5E0E7}
.section--dark h2,.section--dark h3{color:#fff}
.eyebrow{display:block;font-size:.75rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--teal-ink);margin:0 0 12px}
.section--dark .eyebrow{color:var(--teal)}
.lead{font-size:1.13rem;color:var(--muted);max-width:64ch}
.section--dark .lead{color:#A9BEC9}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}
.skip{position:absolute;left:-9999px;background:var(--navy);color:#fff;padding:10px 16px;z-index:200}
.skip:focus{left:8px;top:8px}
:focus-visible{outline:3px solid var(--teal-btn);outline-offset:2px;border-radius:4px}

/* ---------------- buttons ---------------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:650;font-size:.97rem;
  padding:13px 22px;border-radius:10px;border:1.5px solid transparent;cursor:pointer;text-decoration:none;
  font-family:inherit;line-height:1.2;transition:background .16s,color .16s,border-color .16s,transform .16s}
.btn:hover{transform:translateY(-1px)}
.btn--primary{background:var(--teal-btn);color:#fff}
.btn--primary:hover{background:#0A5A49}
.btn--navy{background:var(--navy);color:#fff}
.btn--navy:hover{background:var(--navy-800)}
.btn--ghost{background:transparent;color:var(--navy);border-color:#C6D0D6}
.btn--ghost:hover{background:var(--navy);color:#fff;border-color:var(--navy)}
.btn--light{background:#fff;color:var(--navy)}
.btn[disabled],.btn[aria-disabled=true]{opacity:.45;pointer-events:none}
.btn svg{width:18px;height:18px;flex:0 0 18px}
.btn--lg{padding:16px 28px;font-size:1.03rem}
.btn--block{width:100%}

/* ---------------- header ---------------- */
.hdr{position:sticky;top:0;z-index:100;background:var(--navy);border-bottom:1px solid rgba(255,255,255,.1)}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding-top:13px;padding-bottom:13px}
.brand img{width:206px}
.nav{display:flex;align-items:center;gap:2px}
.nav a{color:#D5E0E7;font-weight:600;font-size:.94rem;padding:9px 13px;border-radius:8px;text-decoration:none}
.nav a:hover,.nav a[aria-current=page]{background:rgba(255,255,255,.09);color:#fff}
.nav .btn{margin-left:10px}
.burger{display:none;background:none;border:1.5px solid rgba(255,255,255,.3);border-radius:9px;
  padding:9px 11px;cursor:pointer;color:#fff}
.burger svg{width:22px;height:22px;display:block}

/* ---------------- hero ---------------- */
.hero{background:var(--navy);color:#D5E0E7;padding:76px 0 84px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-160px;top:-140px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(23,183,148,.22) 0%,rgba(23,183,148,0) 68%)}
.hero .wrap{position:relative;z-index:1}
.hero h1{color:#fff;max-width:19ch}
.hero h1 em{font-style:normal;color:var(--teal)}
.hero .lead{color:#AEC3CE;font-size:1.18rem}
.hero__cta{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0 0}
.hero__facts{display:flex;gap:28px;flex-wrap:wrap;margin-top:34px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.14);font-size:.9rem;color:#9DB2BF}
.hero__facts b{color:#fff}

/* ---------------- cards / grids ---------------- */
.grid{display:grid;gap:22px}
.grid--2{grid-template-columns:repeat(2,1fr)}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px;
  transition:border-color .16s,box-shadow .16s,transform .16s}
.card:hover{border-color:#C3CFD5;box-shadow:0 16px 36px -26px rgba(24,46,62,.45);transform:translateY(-2px)}
.card p{font-size:.95rem;color:var(--muted)}
.card__ico{width:42px;height:42px;border-radius:11px;background:var(--navy-050);color:var(--navy);
  display:grid;place-items:center;margin-bottom:14px}
.card__ico svg{width:22px;height:22px}

/* ---------------- product cards ---------------- */
.prod{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r);padding:24px;position:relative;transition:border-color .16s,box-shadow .16s,transform .16s}
.prod:hover{border-color:var(--teal);box-shadow:0 18px 40px -28px rgba(12,107,87,.55);transform:translateY(-2px)}
.prod__top{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:6px}
.prod h3{margin:0;font-size:1.06rem;flex:1}
.prod__price{font-weight:800;color:var(--navy);font-size:1.18rem;white-space:nowrap}
.prod__price small{display:block;font-weight:600;font-size:.68rem;letter-spacing:.1em;
  text-transform:uppercase;color:var(--muted);text-align:right}
.prod__short{font-size:.93rem;color:var(--muted);margin:6px 0 14px;flex:1}
.prod__meta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.tag{font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  border-radius:999px;padding:4px 10px;background:var(--navy-050);color:var(--navy)}
.tag--teal{background:#E2F5EF;color:var(--teal-ink)}
.tag--badge{background:var(--teal);color:#08281F}
.prod__inc{list-style:none;margin:0 0 18px;padding:0;font-size:.88rem;color:var(--muted)}
.prod__inc li{padding-left:18px;position:relative;margin-bottom:5px}
.prod__inc li::before{content:"";position:absolute;left:0;top:.55em;width:8px;height:8px;border-radius:50%;
  background:var(--teal)}

/* ---------------- filter bar ---------------- */
.filters{display:flex;gap:9px;flex-wrap:wrap;margin:0 0 30px}
.filters button{font:inherit;font-size:.9rem;font-weight:650;padding:9px 16px;border-radius:999px;
  border:1.5px solid var(--line);background:#fff;color:var(--navy);cursor:pointer;transition:all .15s}
.filters button:hover{border-color:var(--teal)}
.filters button[aria-pressed=true]{background:var(--navy);border-color:var(--navy);color:#fff}
.soon{opacity:.62}
.soon .prod{pointer-events:none}

/* ---------------- notice boxes ---------------- */
.notice{border:1px solid var(--line);border-left:5px solid var(--teal);background:#F1F9F7;
  border-radius:12px;padding:22px 24px;margin:0 0 22px}
.notice h3{color:var(--teal-ink);font-size:.95rem;text-transform:uppercase;letter-spacing:.07em;margin-bottom:.45em}
.notice p{font-size:.95rem;margin:0}
.notice p+p{margin-top:.7em}
.notice--warn{border-left-color:#C79A00;background:var(--amber-bg)}
.notice--warn h3{color:var(--amber-ink)}
.notice--warn p{color:#5C4300}

/* ---------------- steps ---------------- */
.step{position:relative;padding-left:56px}
.step__n{position:absolute;left:0;top:0;width:40px;height:40px;border-radius:50%;background:var(--teal);
  color:#08281F;display:grid;place-items:center;font-weight:800}
.section--dark .step p{color:#A9BEC9}
.step p{font-size:.95rem;color:var(--muted);margin:0}

/* ---------------- builder ---------------- */
.build{display:grid;grid-template-columns:1fr 380px;gap:34px;align-items:start}
.fieldset{border:1px solid var(--line);border-radius:var(--r);padding:22px 24px;margin:0 0 18px;background:#fff}
.fieldset>legend{font-weight:700;color:var(--navy);font-size:1.02rem;padding:0 8px;margin-left:-8px}
.fieldset .hint{font-size:.87rem;color:var(--muted);margin:2px 0 16px}
.field{margin-bottom:15px}
.field label{display:block;font-size:.86rem;font-weight:700;color:var(--navy);margin-bottom:5px}
.field .help{font-size:.82rem;color:var(--muted);margin:5px 0 0;line-height:1.5}
.field input[type=text],.field input[type=email],.field input[type=date],.field input[type=time],
.field select,.field textarea,.field input[type=file]{
  width:100%;font:inherit;font-size:.96rem;padding:11px 13px;border:1.5px solid #D2DAE0;border-radius:9px;
  background:#fff;color:var(--ink);transition:border-color .14s}
.field textarea{min-height:88px;resize:vertical;line-height:1.55}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--teal-btn);outline:none}
.field--row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.req{color:#B3261E}
.checks{display:grid;gap:8px;margin-top:4px}
.checks label{display:flex;gap:10px;align-items:flex-start;font-weight:500;font-size:.93rem;color:var(--ink);
  background:var(--bg-alt);border:1px solid var(--line);border-radius:9px;padding:10px 12px;cursor:pointer}
.checks input{margin-top:3px;flex:0 0 auto}
.checks label:hover{border-color:var(--teal)}
.side{position:sticky;top:88px}
.summary{border:1px solid var(--line);border-radius:var(--r);padding:22px;background:#fff}
.summary h3{margin-bottom:4px}
.summary__price{font-size:2rem;font-weight:800;color:var(--navy);letter-spacing:-.03em;margin:10px 0 2px}
.summary__price small{font-size:.72rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.summary ul{list-style:none;margin:14px 0 18px;padding:0;font-size:.88rem;color:var(--muted)}
.summary ul li{padding-left:18px;position:relative;margin-bottom:5px}
.summary ul li::before{content:"";position:absolute;left:0;top:.55em;width:7px;height:7px;border-radius:50%;background:var(--teal)}
.summary .btn{margin-bottom:9px}
.order{font-family:var(--mono);font-size:.82rem;background:var(--navy-050);border-radius:8px;padding:9px 11px;
  color:var(--navy);word-break:break-all;margin-top:10px}
.errbox{background:#FDECEA;border:1px solid #F3C0BB;color:#8C1D18;border-radius:10px;padding:12px 14px;
  font-size:.9rem;margin-bottom:14px}
.pv{width:100%;height:78vh;border:1px solid var(--line);border-radius:12px;background:var(--bg-alt)}

/* ---------------- footer ---------------- */
.ftr{background:var(--navy);color:#A9BEC9;font-size:.93rem;padding:60px 0 0}
.ftr__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
.ftr img{width:186px;margin-bottom:16px}
.ftr h4{color:#fff;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;margin:0 0 14px}
.ftr ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.ftr a{color:#A9BEC9;text-decoration:none}
.ftr a:hover{color:#fff;text-decoration:underline}
.ftr__legal{border-top:1px solid rgba(255,255,255,.13);margin-top:42px;padding:24px 0 30px;
  font-size:.82rem;line-height:1.7;color:#8FA6B4}
.ftr__legal strong{color:#D5E0E7}
.ftr__bar{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.13);padding:16px 0 24px;font-size:.82rem;color:#8298A7}

/* ---------------- doc pages ---------------- */
.doc h2{font-size:1.26rem;margin:2.1em 0 .55em;padding-top:.5em;border-top:1px solid var(--line)}
.doc h3{font-size:1.02rem;margin:1.5em 0 .4em}
.doc table{width:100%;border-collapse:collapse;margin:1.1em 0;font-size:.94rem}
.doc th,.doc td{text-align:left;padding:10px 12px;border:1px solid var(--line);vertical-align:top}
.doc th{background:var(--bg-alt);color:var(--navy);font-weight:700}
.doc .meta{color:var(--muted);font-size:.9rem;margin:0 0 2em;padding-bottom:1.3em;border-bottom:2px solid var(--navy)}
.todo{background:var(--amber-bg);border:1px dashed #C79A00;border-radius:8px;padding:2px 8px;
  font-weight:700;color:var(--amber-ink);overflow-wrap:anywhere}

/* ---------------- responsive ---------------- */
@media (max-width:1080px){
  .burger{display:inline-flex}
  .nav{position:absolute;left:0;right:0;top:100%;background:var(--navy);flex-direction:column;
    align-items:stretch;gap:2px;padding:12px 24px 20px;display:none;border-bottom:1px solid rgba(255,255,255,.12)}
  .nav.open{display:flex}
  .nav a{padding:12px 10px}
  .nav .btn{margin:8px 0 0}
  .build{grid-template-columns:1fr}
  .side{position:static}
}
@media (max-width:960px){
  .grid--3,.grid--4{grid-template-columns:repeat(2,1fr)}
  .ftr__grid{grid-template-columns:1fr 1fr}
}
@media (max-width:700px){
  body{font-size:16px}
  .section{padding:58px 0}
  .hero{padding:52px 0 58px}
  .grid--2,.grid--3,.grid--4,.field--row{grid-template-columns:1fr}
  .ftr__grid{grid-template-columns:1fr}
  .brand img{width:172px}
  .hero__cta .btn{width:100%}
  .doc table{display:block;overflow-x:auto}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media print{.hdr,.ftr,.burger{display:none}}

/* ---------------- cart bar ---------------- */
.cartbar{position:sticky;bottom:0;z-index:80;background:var(--navy);color:#fff;
  border-top:3px solid var(--teal);box-shadow:0 -10px 30px -18px rgba(0,0,0,.6)}
.cartbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding-top:14px;padding-bottom:14px;flex-wrap:wrap}
.cartbar strong{font-size:1.02rem}
.cb-note{display:block;font-size:.85rem;color:var(--teal)}
.cb-right{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.cb-total{font-size:1.35rem;font-weight:800;letter-spacing:-.02em}
.cartbar .btn--ghost{color:#fff;border-color:rgba(255,255,255,.35)}
.cartbar .btn--ghost:hover{background:#fff;color:var(--navy)}
.linkbtn{background:none;border:0;padding:0;font:inherit;font-size:.82rem;color:var(--teal-ink);
  text-decoration:underline;cursor:pointer}
.hdr .btn svg{width:17px;height:17px}
@media (max-width:560px){
  .cartbar .wrap{justify-content:center;text-align:center}
  .cb-right{width:100%;justify-content:center}
}