/* ============================================================
   Cloud Nine — Engineered Grid system (Direction B)
   Shared across c9.pt, w9.pt, order
   ============================================================ */
:root{
  --bg:#0a0f1a;
  --bg2:#0d1422;
  --panel:#101a2c;
  --panel2:#0e1626;
  --line:#1c2940;
  --line2:#26385a;
  --ink:#d6e2f5;
  --ink-dim:#8499b8;
  --ink-faint:#56688a;--head:#ffffff;
  --cyan:#34e3f0;
  --blue:#4d8dff;
  --cyan-deep:#1a6b75;
  --violet:#9d7bff;       /* w9 accent */
  --violet-deep:#5b46a8;
  --emerald:#19d49a;      /* xt accent */
  --emerald-deep:#0f7d5b;
  --orange:#ff7a3c;       /* k1 accent */
  --orange-deep:#a8431a;
  --sans:'IBM Plex Sans', sans-serif;
  --mono:'IBM Plex Mono', ui-monospace, monospace;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:15px;line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
  background-image:
    linear-gradient(var(--line) 1px,transparent 1px),
    linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:64px 64px;
  background-position:center top;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:radial-gradient(110% 70% at 70% -10%,rgba(52,227,240,.10),transparent 60%),radial-gradient(80% 60% at 0% 100%,rgba(77,141,255,.08),transparent 55%);
}
/* per-product themes tint the ambient glow */
body.w9::before{
  background:radial-gradient(110% 70% at 70% -10%,rgba(157,123,255,.12),transparent 60%),radial-gradient(80% 60% at 0% 100%,rgba(77,141,255,.07),transparent 55%);
}
body.xt::before{
  background:radial-gradient(110% 70% at 70% -10%,rgba(25,212,154,.12),transparent 60%),radial-gradient(80% 60% at 0% 100%,rgba(77,141,255,.06),transparent 55%);
}
body.k1::before{
  background:radial-gradient(110% 70% at 70% -10%,rgba(255,122,60,.12),transparent 60%),radial-gradient(80% 60% at 0% 100%,rgba(77,141,255,.06),transparent 55%);
}
::selection{background:var(--cyan);color:#04141a;}
a{color:inherit;text-decoration:none;}
.wrap{max-width:1200px;margin:0 auto;padding:0 30px;position:relative;z-index:1;}
.mono{font-family:var(--mono);}
.label{font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-faint);}
.cy{color:var(--ac);}
.vi{color:var(--violet);}

/* per-page accent var: c9 uses cyan, w9 uses violet */
body{--ac:var(--cyan);--ac-deep:var(--cyan-deep);}
body.w9{--ac:var(--violet);--ac-deep:var(--violet-deep);}
body.xt{--ac:var(--emerald);--ac-deep:var(--emerald-deep);}
body.k1{--ac:var(--orange);--ac-deep:var(--orange-deep);}

/* ---- top bar ---- */
header.bar{position:sticky;top:0;z-index:50;background:rgba(10,15,26,.82);backdrop-filter:blur(10px);border-bottom:1px solid var(--line2);}
.bar-in{display:flex;align-items:center;gap:30px;height:64px;}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--mono);font-weight:600;font-size:19px;letter-spacing:-.01em;}
.logo .mk{width:26px;height:26px;border:1.5px solid var(--ac);border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--ac);box-shadow:0 0 16px -4px var(--ac) inset;}
nav.links{display:flex;gap:26px;margin-left:auto;font-size:14px;color:var(--ink-dim);font-family:var(--mono);}
nav.links a{transition:color .15s;}
nav.links a:hover,nav.links a.on{color:var(--ac);}
.lang{display:flex;border:1px solid var(--line2);border-radius:7px;overflow:hidden;font-family:var(--mono);font-size:12px;}
.lang button{background:transparent;border:0;color:var(--ink-dim);font-family:var(--mono);padding:6px 11px;cursor:pointer;letter-spacing:.08em;}
.lang button.on{background:var(--ac);color:#04141a;font-weight:600;}
.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:13px;font-weight:500;border-radius:8px;padding:10px 17px;cursor:pointer;transition:all .16s;border:1px solid var(--line2);color:var(--ink);background:var(--panel);}
.btn:hover{border-color:var(--ac);color:var(--ac);}
.btn.solid{background:linear-gradient(180deg,var(--ac),#19c3d0);color:#04141a;border-color:transparent;font-weight:600;}
body.w9 .btn.solid{background:linear-gradient(180deg,var(--violet),#7d5ce0);color:#0b0720;}
body.xt .btn.solid{background:linear-gradient(180deg,var(--emerald),#10b07e);color:#04140e;}
body.k1 .btn.solid{background:linear-gradient(180deg,var(--orange),#e85f23);color:#1f0d04;}
.btn.solid:hover{box-shadow:0 8px 30px -8px color-mix(in srgb,var(--ac) 60%,transparent);color:#04141a;}
body.w9 .btn.solid:hover{color:#0b0720;}
body.xt .btn.solid:hover{color:#04140e;}
body.k1 .btn.solid:hover{color:#1f0d04;}
.btn.lg{padding:13px 22px;font-size:14px;}

/* ---- hero ---- */
.hero{padding:80px 0 60px;}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center;}
.kicker{display:inline-flex;align-items:center;gap:10px;padding:6px 12px;border:1px solid var(--line2);border-radius:30px;background:var(--panel2);margin-bottom:26px;}
.kicker .blip{width:7px;height:7px;border-radius:50%;background:var(--ac);box-shadow:0 0 10px var(--ac);}
h1.lead{font-family:var(--sans);font-weight:700;font-size:clamp(40px,5.6vw,72px);line-height:1.0;letter-spacing:-.03em;color:var(--head);}
h1.lead .grad{background:linear-gradient(100deg,var(--ac),var(--blue));-webkit-background-clip:text;background-clip:text;color:transparent;}
.sub{margin-top:26px;max-width:31em;color:var(--ink-dim);font-size:16px;line-height:1.7;}
.cta-row{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap;align-items:center;}
.cta-row .micro{font-family:var(--mono);font-size:12px;color:var(--ink-faint);}

/* telemetry panel */
.telem{border:1px solid var(--line2);border-radius:14px;background:linear-gradient(180deg,var(--panel),var(--panel2));overflow:hidden;box-shadow:0 40px 90px -40px rgba(0,0,0,.7);}
.telem-top{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--line);font-family:var(--mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-faint);}
.telem-top .live{display:flex;align-items:center;gap:7px;color:var(--ac);}
.telem-top .live::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--ac);box-shadow:0 0 9px var(--ac);animation:bp 1.6s infinite;}
@keyframes bp{0%,100%{opacity:1;}50%{opacity:.3;}}
.telem-rows{padding:8px 0;}
.trow{display:flex;align-items:center;justify-content:space-between;padding:12px 18px;border-bottom:1px solid var(--line);}
.trow:last-child{border-bottom:0;}
.trow .tk{font-family:var(--mono);font-size:12px;color:var(--ink-dim);letter-spacing:.04em;}
.trow .tv{font-family:var(--mono);font-size:14px;color:var(--head);font-weight:500;}
.bar-track{width:120px;height:6px;border-radius:4px;background:var(--bg);overflow:hidden;}
.bar-fill{height:100%;background:linear-gradient(90deg,var(--blue),var(--ac));border-radius:4px;}

/* ---- sections ---- */
section.blk{padding:70px 0;border-top:1px solid var(--line2);}
.sec-head{display:flex;align-items:flex-end;gap:18px;margin-bottom:38px;}
.sec-head .idx{font-family:var(--mono);font-size:12px;color:var(--ac-deep);letter-spacing:.16em;border:1px solid var(--line2);border-radius:6px;padding:4px 9px;}
.sec-title{font-size:clamp(26px,3.2vw,38px);font-weight:700;letter-spacing:-.02em;color:var(--head);}
.sec-note{margin-left:auto;font-size:13px;color:var(--ink-faint);max-width:26em;text-align:right;line-height:1.6;}

/* family / two-up cards */
.fam{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.card{border:1px solid var(--line2);border-radius:16px;background:linear-gradient(180deg,var(--panel),var(--panel2));padding:32px 30px;position:relative;overflow:hidden;transition:border-color .18s,transform .18s;}
.card::before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:linear-gradient(90deg,var(--cyan),var(--blue));opacity:.8;}
.card.alt::before{background:linear-gradient(90deg,var(--violet),var(--blue));}
.card:hover{border-color:var(--ac-deep);transform:translateY(-4px);}
.card .badge{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);}
.card.alt .badge{color:var(--violet);}
.card h3{font-family:var(--mono);font-size:32px;font-weight:600;margin:10px 0 6px;color:var(--head);letter-spacing:-.02em;}
.card .role{font-size:14px;color:var(--ink-dim);min-height:46px;line-height:1.6;}
.card ul{list-style:none;margin:20px 0 24px;display:flex;flex-direction:column;gap:11px;}
.card li{font-size:13.5px;color:var(--ink);display:flex;gap:11px;align-items:flex-start;}
.card li::before{content:"▸";color:var(--cyan);font-size:12px;}
.card.alt li::before{color:var(--violet);}
.card .price{font-family:var(--mono);font-size:13px;color:var(--ink-dim);margin-bottom:18px;}
.card .price b{color:var(--head);font-size:22px;}

/* spec grid */
.spec-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line2);border-radius:14px;overflow:hidden;background:var(--panel2);}
.spec-grid .cell{padding:24px 22px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);}
.spec-grid .cell:nth-child(4n){border-right:0;}
.spec-grid .cell:nth-last-child(-n+4){border-bottom:0;}
.spec-grid .k{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-faint);}
.spec-grid .val{font-size:16px;color:var(--head);margin-top:8px;font-weight:500;}

/* pricing */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.tier{border:1px solid var(--line2);border-radius:16px;background:linear-gradient(180deg,var(--panel),var(--panel2));padding:30px 28px;position:relative;transition:border-color .18s,transform .18s;}
.tier:hover{border-color:var(--ac-deep);transform:translateY(-4px);}
.tier.feat{border-color:var(--ac);box-shadow:0 24px 60px -28px color-mix(in srgb,var(--ac) 50%,transparent);}
.tier .tag{position:absolute;top:-11px;left:28px;font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;background:linear-gradient(90deg,var(--ac),var(--blue));color:#04141a;padding:4px 10px;border-radius:5px;font-weight:600;}
.tier .nm{font-family:var(--mono);font-size:15px;color:var(--ink-dim);}
.tier .amt{font-size:46px;font-weight:700;color:var(--head);margin:12px 0 2px;letter-spacing:-.03em;}
.tier .amt span{font-size:15px;color:var(--ink-dim);font-family:var(--mono);font-weight:400;}
.tier ul{list-style:none;margin:20px 0 24px;display:flex;flex-direction:column;gap:10px;}
.tier li{font-size:13px;color:var(--ink-dim);display:flex;gap:10px;}
.tier li::before{content:"+";color:var(--ac);font-weight:600;}
.tier li b{color:var(--head);font-weight:600;}

/* regions */
.regions{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.region{border:1px solid var(--line2);border-radius:14px;background:var(--panel2);padding:26px;}
.region .city{font-size:22px;color:var(--head);font-weight:700;letter-spacing:-.01em;}
.region .code{font-family:var(--mono);font-size:12px;color:var(--ink-faint);margin-top:6px;letter-spacing:.06em;}
.region .lat{display:flex;align-items:center;justify-content:space-between;margin-top:18px;padding-top:16px;border-top:1px solid var(--line);}
.region .lat .ms{font-family:var(--mono);font-size:20px;color:var(--ac);font-weight:500;}
.region .lat .lbl{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-faint);}

/* feature row (icons + text) */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.feat-item{border:1px solid var(--line2);border-radius:14px;background:var(--panel2);padding:26px;}
.feat-item .ic{width:38px;height:38px;border:1px solid var(--line2);border-radius:9px;display:flex;align-items:center;justify-content:center;color:var(--ac);font-family:var(--mono);font-size:16px;margin-bottom:16px;}
.feat-item h4{font-size:17px;font-weight:600;color:var(--head);margin-bottom:8px;letter-spacing:-.01em;}
.feat-item p{font-size:13.5px;color:var(--ink-dim);line-height:1.6;}

/* steps (how it works) */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:s;}
.step{border:1px solid var(--line2);border-radius:14px;background:var(--panel2);padding:24px;position:relative;}
.step .n{font-family:var(--mono);font-size:13px;color:var(--ac);border:1px solid var(--line2);border-radius:50%;width:30px;height:30px;display:flex;align-items:center;justify-content:center;margin-bottom:16px;}
.step h4{font-size:16px;font-weight:600;color:var(--head);margin-bottom:7px;}
.step p{font-size:13px;color:var(--ink-dim);line-height:1.55;}

/* ---- forms / order ---- */
.order-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:30px;align-items:start;}
.form-card{border:1px solid var(--line2);border-radius:16px;background:linear-gradient(180deg,var(--panel),var(--panel2));padding:34px 32px;}
.form-card h3{font-size:20px;font-weight:700;color:var(--head);margin-bottom:4px;letter-spacing:-.01em;}
.form-card .fsub{font-size:13.5px;color:var(--ink-dim);margin-bottom:26px;}
.fieldset{display:flex;flex-direction:column;gap:18px;}
.field{display:flex;flex-direction:column;gap:7px;}
.field label{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-faint);}
.field input,.field textarea,.field select{
  background:var(--bg2);border:1px solid var(--line2);border-radius:9px;
  color:var(--ink);font-family:var(--sans);font-size:14.5px;padding:12px 14px;width:100%;
  transition:border-color .15s,box-shadow .15s;
}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-faint);}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--ac);box-shadow:0 0 0 3px color-mix(in srgb,var(--ac) 18%,transparent);}
.field textarea{resize:vertical;min-height:96px;}
.field.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.choice-grid{display:flex;flex-direction:column;gap:12px;}
.choice{display:flex;align-items:center;gap:14px;border:1px solid var(--line2);border-radius:11px;background:var(--bg2);padding:15px 16px;cursor:pointer;transition:border-color .15s,background .15s;}
.choice:hover{border-color:var(--ac-deep);}
.choice.sel{border-color:var(--ac);background:color-mix(in srgb,var(--ac) 8%,var(--bg2));}
.choice .radio{width:18px;height:18px;border-radius:50%;border:2px solid var(--line2);flex-shrink:0;position:relative;}
.choice.sel .radio{border-color:var(--ac);}
.choice.sel .radio::after{content:"";position:absolute;inset:3px;border-radius:50%;background:var(--ac);}
.choice .ci{flex:1;}
.choice .ci .cn{font-family:var(--mono);font-size:14px;color:var(--head);}
.choice .ci .cd{font-size:12px;color:var(--ink-dim);margin-top:2px;}
.choice .cp{font-family:var(--mono);font-size:15px;color:var(--head);font-weight:500;white-space:nowrap;}

/* order summary */
.summary{border:1px solid var(--line2);border-radius:16px;background:var(--panel2);padding:28px 26px;position:sticky;top:84px;}
.summary h4{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-faint);margin-bottom:20px;}
.sum-row{display:flex;justify-content:space-between;align-items:baseline;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px;}
.sum-row .sk{color:var(--ink-dim);}
.sum-row .sv{color:var(--head);font-family:var(--mono);}
.sum-total{display:flex;justify-content:space-between;align-items:baseline;margin-top:18px;padding-top:18px;border-top:1px solid var(--line2);}
.sum-total .tk{font-size:14px;color:var(--ink-dim);}
.sum-total .tv{font-size:30px;color:var(--head);font-weight:700;letter-spacing:-.02em;}
.sum-total .tv span{font-size:14px;color:var(--ink-dim);font-family:var(--mono);font-weight:400;}
.summary .note{font-size:11.5px;color:var(--ink-faint);margin-top:16px;line-height:1.5;}

/* page header (for sub-pages) */
.page-head{padding:64px 0 10px;}
.crumbs{font-family:var(--mono);font-size:12px;color:var(--ink-faint);letter-spacing:.06em;margin-bottom:22px;display:flex;gap:8px;align-items:center;}
.crumbs a:hover{color:var(--ac);}
.crumbs .sep{color:var(--line2);}
.page-head h1{font-size:clamp(34px,5vw,58px);font-weight:700;letter-spacing:-.03em;line-height:1.02;color:var(--head);max-width:16ch;}
.page-head h1 .grad{background:linear-gradient(100deg,var(--ac),var(--blue));-webkit-background-clip:text;background-clip:text;color:transparent;}
.page-head p{margin-top:22px;font-size:16px;color:var(--ink-dim);max-width:40em;line-height:1.65;}

/* footer */
footer{border-top:1px solid var(--line2);padding:58px 0 42px;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:38px;}
.foot-fam{display:flex;flex-direction:column;gap:12px;margin-top:18px;}
.foot-fam a{display:flex;align-items:baseline;gap:14px;font-size:14px;color:var(--ink-dim);transition:color .15s;}
.foot-fam a:hover{color:var(--ac);}
.foot-fam a b{font-family:var(--mono);color:var(--head);font-weight:600;min-width:56px;}
.foot-col h5{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-faint);margin-bottom:16px;}
.foot-col a{display:block;font-size:13.5px;color:var(--ink-dim);margin-bottom:10px;}
.foot-col a:hover{color:var(--ac);}
.foot-base{margin-top:46px;padding-top:24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;font-family:var(--mono);font-size:11.5px;color:var(--ink-faint);letter-spacing:.05em;flex-wrap:wrap;gap:10px;}

@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .fam{grid-template-columns:1fr;}
  .spec-grid{grid-template-columns:repeat(2,1fr);}
  .spec-grid .cell:nth-child(4n){border-right:1px solid var(--line);}
  .spec-grid .cell:nth-child(2n){border-right:0;}
  .spec-grid .cell:nth-last-child(-n+4){border-bottom:1px solid var(--line);}
  .spec-grid .cell:nth-last-child(-n+2){border-bottom:0;}
  .price-grid{grid-template-columns:1fr;}
  .regions{grid-template-columns:1fr;}
  .feat-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr 1fr;}
  .order-grid{grid-template-columns:1fr;}
  .summary{position:static;}
  .foot-grid{grid-template-columns:1fr;gap:30px;}
  nav.links{display:none;}
}

/* ============================================================
   Light theme — token remap for [data-theme="light"]
   Dark stays the approved default; light is the alternate.
   Le gets dark by default (first visit also respects OS pref).
   ============================================================ */
:root[data-theme="light"]{
  --bg:#f4f7fc;
  --bg2:#eaf0f8;
  --panel:#ffffff;
  --panel2:#f3f7fc;
  --line:#dbe5f1;
  --line2:#c4d3e6;
  --ink:#33445e;
  --ink-dim:#5a6c88;
  --ink-faint:#7d90ad;
  --head:#0c1b30;
}
/* accent deepens in light so it reads on a pale ground (set on body, which owns --ac) */
:root[data-theme="light"] body{ --ac:#0a8499; --ac-deep:#0a5a68; }
:root[data-theme="light"] header.bar{ background:rgba(244,247,252,.85); }
:root[data-theme="light"] body::before{
  background:radial-gradient(110% 70% at 70% -10%,rgba(10,132,153,.07),transparent 60%),radial-gradient(80% 60% at 0% 100%,rgba(77,141,255,.06),transparent 55%);
}
:root[data-theme="light"] .telem{ box-shadow:0 30px 70px -42px rgba(13,27,48,.35); }
:root[data-theme="light"] ::selection{ background:var(--ac); color:#fff; }

/* theme toggle button — matches the .lang control */
.theme-toggle{display:flex;align-items:center;justify-content:center;width:34px;height:32px;border:1px solid var(--line2);border-radius:7px;background:transparent;color:var(--ink-dim);cursor:pointer;font-size:14px;line-height:1;font-family:var(--mono);transition:color .15s,border-color .15s;}
.theme-toggle:hover{color:var(--ac);border-color:var(--ac);}
.theme-toggle .sun{display:none;}
.theme-toggle .moon{display:inline;}
:root[data-theme="light"] .theme-toggle .sun{display:inline;}
:root[data-theme="light"] .theme-toggle .moon{display:none;}