/* ══════════════════════════════════════════════════════════
Wing Dash — Multi-Carrier Device Management Guide
══════════════════════════════════════════════════════════ */
:root{
--navy:#0a1530;
--navy-2:#111e40;
--navy-3:#1b2a52;
--blue:#1f6dff;
--blue-d:#0b46c4;
--blue-l:#4c8fef;
--blue-wash:#eef3ff;
--ink:#0e1729;
--ink-2:#3a4560;
--ink-3:#6b7693;
--line:#e3e8f0;
--line-2:#eef1f6;
--bg:#ffffff;
--bg-2:#f7f9fc;
--red:#e8243d;
--amber:#b26a00;
--amber-bg:#fff8ec;
--green:#0d8a54;
--green-bg:#eefaf4;
--sb:280px;
--measure:760px;
--r:8px;
--sans:"Instrument Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
--mono:"IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
--sh-1:0 1px 2px rgba(10,21,48,.06), 0 1px 1px rgba(10,21,48,.04);
--sh-2:0 4px 16px rgba(10,21,48,.08), 0 1px 3px rgba(10,21,48,.05);
--sh-3:0 18px 50px rgba(10,21,48,.18);
}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;scroll-padding-top:28px}
body{
margin:0;background:var(--bg);color:var(--ink);
font-family:var(--sans);font-size:16.5px;line-height:1.62;
-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:var(--blue-d);text-underline-offset:2px;text-decoration-thickness:1px}
a:hover{color:var(--blue)}
svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
code{font-family:var(--mono);font-size:.86em;background:var(--bg-2);border:1px solid var(--line);
padding:.1em .38em;border-radius:4px;color:var(--navy)}
.skip{position:absolute;left:-9999px;top:0;background:var(--navy);color:#fff;padding:10px 16px;z-index:99}
.skip:focus{left:8px;top:8px}
:focus-visible{outline:2.5px solid var(--blue);outline-offset:2px;border-radius:3px}
.muted{color:var(--ink-3)}
/* ─────────── LAYOUT ─────────── */
.shell{display:flex;min-height:100vh}
main{flex:1;min-width:0;padding:0 clamp(20px,5vw,72px) 0}
/* Content is centred in the space left by the sidebar rather than pinned beside it,
so wide screens get balanced margins instead of a column hugging the left edge. */
main > .sec,
main > .foot{margin-left:auto;margin-right:auto}
.progress{position:fixed;top:0;left:var(--sb);right:0;height:2px;background:transparent;z-index:40}
.progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--blue),var(--blue-l))}
/* Wider reading column on large displays. .sec-lede stays capped at 64ch,
so body copy never runs to an uncomfortable line length. */
@media (min-width:1500px){ :root{--measure:840px} }
@media (min-width:1800px){ :root{--measure:900px} }
@media (min-width:2200px){ :root{--measure:960px} }
/* Keep the jump-to grid at a tidy 3+3 once the column widens, instead of 4+2.
Scoped to .quicklinks so it outranks the base .ql-grid rule defined further down. */
@media (min-width:1500px){ .quicklinks .ql-grid{grid-template-columns:repeat(3,1fr)} }
/* ─────────── TOPBAR (mobile) ─────────── */
.topbar{display:none;position:sticky;top:0;z-index:45;align-items:center;gap:10px;
padding:10px 12px;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);
border-bottom:1px solid var(--line)}
.topbar-title{flex:1;font-weight:600;font-size:15px;letter-spacing:-.01em}
.icon-btn{display:grid;place-items:center;width:38px;height:38px;border:1px solid var(--line);
background:#fff;border-radius:var(--r);color:var(--ink-2);cursor:pointer;padding:0}
.icon-btn:hover{background:var(--bg-2);color:var(--ink)}
/* ─────────── SIDEBAR ─────────── */
.sidebar{
width:var(--sb);flex:0 0 var(--sb);position:sticky;top:0;height:100vh;
background:var(--navy);color:#c8d2e8;display:flex;flex-direction:column;z-index:50;
}
.sb-head{display:flex;align-items:center;justify-content:space-between;padding:22px 20px 14px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:#fff}
/* The mark is full-colour (incl. a navy stroke), so on the navy sidebar it sits on a white chip */
.brand-mark{width:42px;height:auto;background:#fff;border-radius:7px;padding:5px 6px}
.brand-txt{font-weight:700;font-size:15.5px;letter-spacing:-.02em;line-height:1.2}
.brand-txt em{display:block;font-style:normal;font-weight:500;font-size:11.5px;
letter-spacing:.01em;color:#8fa5cf;margin-top:1px}
.sb-close{display:none;background:transparent;border-color:rgba(255,255,255,.16);color:#c8d2e8}
.sb-close:hover{background:rgba(255,255,255,.08);color:#fff}
.search-trigger{
display:flex;align-items:center;gap:9px;margin:0 16px 14px;padding:9px 11px;width:calc(100% - 32px);
background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--r);
color:#93a4c6;font:inherit;font-size:13.5px;cursor:pointer;text-align:left;
}
.search-trigger:hover{background:rgba(255,255,255,.1);color:#e3eaf7;border-color:rgba(255,255,255,.22)}
.search-trigger svg{width:16px;height:16px;flex:0 0 16px}
.search-trigger span{flex:1}
.search-trigger kbd{font-family:var(--mono);font-size:10.5px;background:rgba(255,255,255,.1);
padding:2px 5px;border-radius:4px;color:#93a4c6}
.sb-scroll{flex:1;overflow-y:auto;padding:0 12px 16px;scrollbar-width:thin}
.sb-scroll::-webkit-scrollbar{width:6px}
.sb-scroll::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:3px}
.nav-group{margin-bottom:18px}
.nav-label{margin:0 0 4px;padding:0 10px;font-size:10.5px;font-weight:600;letter-spacing:.1em;
text-transform:uppercase;color:#6f83ad}
.sb-scroll a{
display:block;padding:6px 10px;border-radius:6px;color:#c1cde5;text-decoration:none;
font-size:14.2px;line-height:1.45;border-left:2px solid transparent;
}
.sb-scroll a:hover{background:rgba(255,255,255,.07);color:#fff}
.sb-scroll a.active{background:rgba(31,109,255,.18);color:#fff;font-weight:600;border-left-color:var(--blue-l)}
.sb-foot{padding:14px 16px 18px;border-top:1px solid rgba(255,255,255,.1)}
.sb-cta{display:flex;align-items:center;justify-content:space-between;gap:8px;
padding:10px 13px;background:var(--blue);color:#fff;text-decoration:none;border-radius:var(--r);
font-size:14px;font-weight:600}
.sb-cta:hover{background:#3b82ff;color:#fff}
.sb-cta svg{width:15px;height:15px}
.scrim{display:none}
/* ─────────── TYPE / SECTIONS ─────────── */
.sec{padding:56px 0;border-bottom:1px solid var(--line-2);max-width:var(--measure);scroll-margin-top:24px}
.sec:last-of-type{border-bottom:0}
h1,h2,h3,h4{letter-spacing:-.025em;line-height:1.15;color:var(--navy);margin:0}
h2{font-size:clamp(27px,3.4vw,34px);font-weight:700;margin-bottom:14px;position:relative}
h3{font-size:19px;font-weight:650;margin:26px 0 8px;letter-spacing:-.018em}
h4{font-size:15.5px;font-weight:650;margin-bottom:5px}
p{margin:0 0 14px}
.sec-lede{font-size:17.5px;color:var(--ink-2);line-height:1.6;margin-bottom:26px;max-width:64ch}
.eyebrow{font-size:11.5px;font-weight:600;letter-spacing:.13em;text-transform:uppercase;
color:var(--blue);margin-bottom:16px}
.tag{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;
color:#fff;background:var(--blue);padding:3px 9px;border-radius:100px;margin:0 0 12px}
.anchor{opacity:0;margin-left:9px;font-size:.62em;color:var(--ink-3);text-decoration:none;
vertical-align:middle;transition:opacity .12s;cursor:pointer;font-family:var(--mono)}
h2:hover .anchor,h3:hover .anchor,.anchor:focus{opacity:1}
.anchor.copied{color:var(--green);opacity:1}
/* ─────────── HERO ─────────── */
.hero{padding-top:64px;border-bottom:1px solid var(--line)}
h1{font-size:clamp(38px,6.4vw,62px);font-weight:700;letter-spacing:-.038em;line-height:1.03;margin-bottom:20px}
h1 span{color:var(--blue)}
.lede{font-size:19.5px;line-height:1.55;color:var(--ink-2);max-width:56ch;margin-bottom:26px}
.hero-actions{display:flex;gap:11px;flex-wrap:wrap;margin-bottom:44px}
.btn{display:inline-flex;align-items:center;gap:7px;padding:11px 20px;border-radius:var(--r);
font-size:15px;font-weight:600;text-decoration:none;cursor:pointer;border:1px solid transparent;
font-family:inherit;transition:background .14s,border-color .14s,color .14s}
.btn.primary{background:var(--navy);color:#fff}
.btn.primary:hover{background:var(--navy-3);color:#fff}
.btn.ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn.ghost:hover{background:var(--bg-2);border-color:#cfd7e4;color:var(--ink)}
.btn:disabled{opacity:.36;cursor:not-allowed}
.devices{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:40px}
.devices figure{margin:0;background:var(--navy);border-radius:var(--r);padding:20px 16px 14px;text-align:center}
.devices img{margin:0 auto;max-height:132px;width:auto;object-fit:contain}
.devices figcaption{margin-top:12px;font-size:12.5px;font-weight:600;color:#a8bade;letter-spacing:.02em}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);
border:1px solid var(--line);border-radius:var(--r);overflow:hidden;margin-bottom:40px}
.stat{background:#fff;padding:22px 20px}
.stat-n{display:block;font-size:31px;font-weight:700;letter-spacing:-.04em;color:var(--blue);line-height:1;margin-bottom:9px}
.stat h3{margin:0 0 5px;font-size:15px;font-weight:650}
.stat p{margin:0;font-size:13.6px;line-height:1.5;color:var(--ink-3)}
.quicklinks{margin-top:8px}
.ql-label{font-size:11px;font-weight:600;letter-spacing:.11em;text-transform:uppercase;color:var(--ink-3);margin-bottom:10px}
.ql-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(215px,1fr));gap:9px}
.ql-grid a{display:block;padding:13px 15px;border:1px solid var(--line);border-radius:var(--r);
text-decoration:none;background:#fff;transition:border-color .14s,background .14s,transform .14s}
.ql-grid a:hover{border-color:var(--blue);background:var(--blue-wash);transform:translateY(-1px)}
.ql-grid b{display:block;font-size:14.5px;color:var(--navy);font-weight:650;letter-spacing:-.012em}
.ql-grid span{display:block;font-size:12.8px;color:var(--ink-3);margin-top:2px}
/* ─────────── CARDS ─────────── */
.cards{display:grid;gap:14px;margin:22px 0}
.cards.two{grid-template-columns:1fr 1fr}
.cards.three{grid-template-columns:repeat(3,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px}
.card h3{margin:0 0 8px;font-size:16.5px}
.card p{margin:0 0 9px;font-size:14.6px;line-height:1.58;color:var(--ink-2)}
.card p:last-child{margin-bottom:0}
.card-ico{width:38px;height:38px;object-fit:contain;margin-bottom:13px;border-radius:6px;
filter:invert(1) brightness(.28) sepia(1) saturate(6) hue-rotate(196deg)}
.card.role{border-top:3px solid var(--blue)}
/* ─────────── LISTS ─────────── */
ul.bul{margin:0 0 16px;padding-left:20px}
ul.bul li{margin-bottom:7px;color:var(--ink-2)}
ul.bul li::marker{color:var(--blue-l)}
ul.bul.tight li{margin-bottom:4px;font-size:15.2px}
ul.check{list-style:none;margin:0 0 16px;padding:0}
ul.check li{position:relative;padding-left:26px;margin-bottom:8px;color:var(--ink-2)}
ul.check li::before{content:"";position:absolute;left:0;top:.52em;width:13px;height:13px;
border-radius:50%;background:var(--green);
-webkit-mask:url("data:image/svg+xml;utf8,") center/contain no-repeat;
mask:url("data:image/svg+xml;utf8,") center/contain no-repeat}
ul.check li::after{content:"";position:absolute;left:3.2px;top:.72em;width:6.5px;height:3.4px;
border-left:1.8px solid #fff;border-bottom:1.8px solid #fff;transform:rotate(-45deg)}
ul.check.big li{font-size:16.5px;margin-bottom:11px;padding-left:30px}
ul.check.big li::before{width:16px;height:16px;top:.44em}
ul.check.big li::after{left:4px;top:.68em;width:8px;height:4px}
ol.steps{list-style:none;counter-reset:s;margin:0 0 18px;padding:0}
ol.steps>li{counter-increment:s;position:relative;padding-left:42px;padding-bottom:20px}
ol.steps>li::before{
content:counter(s);position:absolute;left:0;top:0;width:27px;height:27px;border-radius:50%;
background:var(--navy);color:#fff;display:grid;place-items:center;
font-size:13px;font-weight:650;font-family:var(--mono)}
ol.steps>li::after{content:"";position:absolute;left:13px;top:32px;bottom:2px;width:1.5px;background:var(--line)}
ol.steps>li:last-child{padding-bottom:0}
ol.steps>li:last-child::after{display:none}
ol.steps>li>p{margin:2px 0 8px}
ol.steps.tight>li{padding-bottom:14px}
ol.steps.tight>li>p{font-size:15.2px}
.ladder{list-style:none;counter-reset:l;margin:24px 0 0;padding:0}
.ladder>li{counter-increment:l;position:relative;padding:18px 20px 18px 58px;border:1px solid var(--line);
border-radius:var(--r);margin-bottom:11px;background:#fff}
.ladder>li::before{content:counter(l);position:absolute;left:18px;top:19px;width:26px;height:26px;
border-radius:6px;background:var(--blue-wash);color:var(--blue-d);display:grid;place-items:center;
font-family:var(--mono);font-weight:600;font-size:13px}
.ladder h3{margin:0 0 6px;font-size:16.5px}
.ladder p{font-size:14.8px;color:var(--ink-2);margin-bottom:6px}
.ladder p:last-child{margin-bottom:0}
.ladder>li:last-child{border-color:var(--blue);background:var(--blue-wash)}
.qual{font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);
background:var(--bg-2);border:1px solid var(--line);padding:2px 7px;border-radius:100px;
vertical-align:middle;margin-left:6px}
/* UI element chip */
.ui{font-family:var(--mono);font-size:.82em;font-weight:600;background:var(--navy);color:#fff;
padding:.16em .5em;border-radius:5px;white-space:nowrap;letter-spacing:-.01em}
/* ─────────── NOTES ─────────── */
.note{border:1px solid var(--line);border-left:3px solid var(--ink-3);background:var(--bg-2);
border-radius:var(--r);padding:16px 18px;margin:20px 0}
.note h4{margin:0 0 5px}
.note p{margin:0 0 7px;font-size:14.8px;line-height:1.56;color:var(--ink-2)}
.note p:last-child{margin-bottom:0}
.note.tip{border-left-color:var(--blue);background:var(--blue-wash);border-color:#d5e2ff}
.note.tip h4{color:var(--blue-d)}
.note.warn{border-left-color:var(--amber);background:var(--amber-bg);border-color:#f2e2c6}
.note.warn h4{color:var(--amber)}
.note.slack{border-left-color:#4a154b;background:#faf6fb;border-color:#ecdcee}
.ok{color:var(--green);font-weight:650}
.done{border:1px solid #c9ecdb;background:var(--green-bg);border-radius:var(--r);padding:18px 20px;margin-top:18px}
.done h4{color:var(--green);font-size:16.5px;margin-bottom:5px}
.done p{margin:0;font-size:14.8px;color:var(--ink-2)}
/* ─────────── SCREENSHOTS ─────────── */
.shot{margin:18px 0;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#fff}
.shot img{width:100%;height:auto;cursor:zoom-in;background:
linear-gradient(90deg,var(--bg-2) 1px,transparent 1px) 0 0/16px 16px,
linear-gradient(var(--bg-2) 1px,transparent 1px) 0 0/16px 16px,#fff;
padding:10px;transition:opacity .14s}
.shot img:hover{opacity:.9}
.shot figcaption{padding:9px 14px;font-size:13.2px;color:var(--ink-3);background:var(--bg-2);
border-top:1px solid var(--line-2)}
.shot.narrow img{max-width:460px;margin:0 auto}
.shot-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:18px 0}
.shot-row.three-up{grid-template-columns:repeat(3,1fr)}
.shot-row .shot{margin:0}
.shot-row .shot img{padding:8px}
/* ─────────── SUMMARY STRIP ─────────── */
.summary{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);
border:1px solid var(--line);border-radius:var(--r);overflow:hidden;margin:0 0 32px}
.summary>div{background:#fff;padding:16px 15px}
.summary span{display:grid;place-items:center;width:22px;height:22px;border-radius:5px;
background:var(--blue-wash);color:var(--blue-d);font-family:var(--mono);font-size:12px;
font-weight:600;margin-bottom:8px}
.summary b{display:block;font-size:14.5px;color:var(--navy);margin-bottom:4px;letter-spacing:-.012em}
.summary p{margin:0;font-size:13.2px;line-height:1.5;color:var(--ink-3)}
.summary .ui{font-size:11px}
/* ─────────── STEPPER ─────────── */
.stepper{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff;box-shadow:var(--sh-1)}
.stepper-bar{padding:16px 20px 0;background:var(--bg-2);border-bottom:1px solid var(--line)}
.stepper-dots{display:flex;gap:8px;margin-bottom:14px}
.dot{flex:1;min-width:0;border:0;background:transparent;padding:0;cursor:pointer;font:inherit;
display:flex;flex-direction:column;align-items:center;gap:7px}
.dot span{display:grid;place-items:center;width:26px;height:26px;border-radius:50%;
font-family:var(--mono);font-size:12.5px;font-weight:600;
background:#fff;border:1.5px solid var(--line);color:var(--ink-3);transition:all .16s}
.dot i{display:block;width:100%;height:3px;border-radius:2px;background:var(--line);transition:background .16s}
.dot:hover span{border-color:var(--blue-l);color:var(--blue-d)}
.dot.done span{background:var(--blue-wash);border-color:var(--blue-l);color:var(--blue-d)}
.dot.done i{background:var(--blue-l)}
.dot.active span{background:var(--blue);border-color:var(--blue);color:#fff;
box-shadow:0 0 0 3.5px rgba(31,109,255,.16)}
.dot.active i{background:var(--blue)}
.stepper-track{display:none}
.stepper-panes{padding:26px 26px 8px;min-height:340px}
.pane{display:none}
.pane.active{display:block;animation:fade .22s ease}
@keyframes fade{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}
.pane h3{margin:0 0 14px;font-size:22px;font-weight:700;display:flex;align-items:baseline;gap:11px;flex-wrap:wrap}
.sn{font-family:var(--mono);font-size:11.5px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;
color:var(--blue-d);background:var(--blue-wash);padding:3px 9px;border-radius:100px}
.pane .shot{margin-bottom:0}
.stepper-nav{display:flex;align-items:center;justify-content:space-between;gap:12px;
padding:16px 22px;border-top:1px solid var(--line);background:var(--bg-2)}
.step-count{font-family:var(--mono);font-size:12.5px;color:var(--ink-3);font-weight:500}
/* ─────────── SPLIT / PRIORITY / STATUS / TOOLS ─────────── */
.split{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin:22px 0}
.split h3{margin-top:0}
.pill{display:inline-block;font-size:12px;font-weight:600;padding:3px 10px;border-radius:100px;margin-bottom:12px}
.pill.up{background:var(--green-bg);color:var(--green);border:1px solid #c9ecdb}
.pill.down{background:var(--amber-bg);color:var(--amber);border:1px solid #f2e2c6}
.prio{display:grid;gap:9px;margin:18px 0}
.prio>div{border:1px solid var(--line);border-left:3px solid var(--blue);border-radius:var(--r);padding:14px 17px;background:#fff}
.prio>div>b:first-child{display:block;font-size:15px;color:var(--navy);margin-bottom:3px}
.prio p{margin:0;font-size:14.4px;line-height:1.55;color:var(--ink-2)}
.prio em{color:var(--ink-3);font-style:normal;font-size:.94em}
.prio>div:nth-child(2){border-left-color:var(--blue-l)}
.prio>div:nth-child(3){border-left-color:var(--navy)}
.status-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:16px 0 20px}
.st{border:1px solid var(--line);border-radius:var(--r);padding:14px 16px;background:#fff}
.st>b:first-child{display:flex;align-items:center;gap:7px;font-size:15px;color:var(--navy);margin-bottom:4px}
.st>b:first-child::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--ink-3)}
.st.online>b:first-child::before{background:var(--green);box-shadow:0 0 0 3px rgba(13,138,84,.15)}
.st.standby>b:first-child::before{background:var(--amber);box-shadow:0 0 0 3px rgba(178,106,0,.15)}
.st.offline>b:first-child::before{background:var(--red);box-shadow:0 0 0 3px rgba(232,36,61,.13)}
.st p{margin:0;font-size:13.8px;color:var(--ink-3)}
.st em{font-style:normal;color:var(--ink-3)}
.tools{display:grid;grid-template-columns:1fr 1fr;gap:13px;margin-top:22px}
.tool{border:1px solid var(--line);border-radius:var(--r);padding:19px;background:#fff;position:relative}
.tool h3{margin:0 0 3px;font-size:17px}
.tool .t{font-family:var(--mono);font-size:11.5px;font-weight:600;color:var(--blue-d);
letter-spacing:.03em;margin-bottom:10px}
.tool p{font-size:14.4px;line-height:1.55;color:var(--ink-2);margin-bottom:9px}
.tool .when{margin:0;font-size:13.4px;color:var(--ink-3);border-top:1px solid var(--line-2);padding-top:9px}
/* ─────────── POLICY ─────────── */
.policy-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:13px;margin:24px 0}
.policy-steps>div{border:1px solid var(--line);border-radius:var(--r);padding:20px;background:#fff;position:relative}
.policy-steps span{display:grid;place-items:center;width:30px;height:30px;border-radius:8px;
background:var(--navy);color:#fff;font-family:var(--mono);font-weight:600;font-size:14px;margin-bottom:12px}
.policy-steps h3{margin:0 0 6px;font-size:16.5px}
.policy-steps p{margin:0;font-size:14.2px;line-height:1.55;color:var(--ink-2)}
/* ─────────── LIFECYCLE STRIP ─────────── */
/* Closing summary: the four things the guide teaches, each linking to its section.
Built in CSS so it stays crisp at any size and costs no image weight. */
.lifecycle{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin:26px 0 0;
border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#fff}
.lifecycle a{position:relative;display:block;padding:20px 18px;text-decoration:none;
border-left:1px solid var(--line);transition:background .14s}
.lifecycle a:first-child{border-left:0}
.lifecycle a:hover{background:var(--blue-wash)}
.lifecycle span{display:block;font-family:var(--mono);font-size:11.5px;font-weight:600;
letter-spacing:.08em;color:var(--blue);margin-bottom:9px}
.lifecycle b{display:block;font-size:16px;font-weight:650;color:var(--navy);
letter-spacing:-.015em;margin-bottom:5px}
.lifecycle p{margin:0;font-size:13.4px;line-height:1.5;color:var(--ink-3)}
/* connecting rule across the top, showing it as one flow rather than four tiles */
.lifecycle a::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;
background:var(--blue);opacity:.18}
.lifecycle a:hover::before{opacity:1}
.closer{margin-top:32px;padding:28px;background:var(--navy);border-radius:12px;color:#fff}
.closer h3{color:#fff;margin:0 0 6px;font-size:20px}
.closer p{color:#b6c5e2;margin-bottom:18px}
.closer .btn.primary{background:var(--blue)}
.closer .btn.primary:hover{background:#3b82ff}
.foot{padding:40px 0 60px;color:var(--ink-3);font-size:13.8px;max-width:var(--measure)}
.foot-mark{width:56px;margin-bottom:14px}
.foot p{margin:0 0 3px}
/* ─────────── SEARCH ─────────── */
.search-overlay{position:fixed;inset:0;z-index:90;background:rgba(10,21,48,.45);
backdrop-filter:blur(4px);display:flex;justify-content:center;align-items:flex-start;padding:12vh 16px 16px}
.search-box{width:100%;max-width:620px;background:#fff;border-radius:12px;box-shadow:var(--sh-3);
overflow:hidden;display:flex;flex-direction:column;max-height:72vh;animation:pop .16s ease}
@keyframes pop{from{opacity:0;transform:scale(.98) translateY(-6px)}to{opacity:1;transform:none}}
.search-input{display:flex;align-items:center;gap:11px;padding:15px 18px;border-bottom:1px solid var(--line)}
.search-input svg{color:var(--ink-3);flex:0 0 20px}
.search-input input{flex:1;border:0;outline:0;font:inherit;font-size:17px;color:var(--ink);background:transparent}
.search-input input::placeholder{color:var(--ink-3)}
.search-input kbd,.search-foot kbd{font-family:var(--mono);font-size:11px;background:var(--bg-2);
border:1px solid var(--line);border-radius:4px;padding:2px 6px;color:var(--ink-3)}
.search-results{overflow-y:auto;padding:8px}
.sr{display:block;padding:11px 14px;border-radius:var(--r);text-decoration:none;cursor:pointer}
.sr:hover,.sr.sel{background:var(--blue-wash)}
.sr-crumb{font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--blue-d);margin-bottom:2px}
.sr-title{font-size:15.4px;font-weight:600;color:var(--navy);letter-spacing:-.013em}
.sr-txt{font-size:13.4px;color:var(--ink-3);margin-top:2px;
display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.sr mark{background:#ffeaa0;color:inherit;border-radius:2px;padding:0 1px}
.sr-empty{padding:28px 16px;text-align:center;color:var(--ink-3);font-size:14.5px}
.search-foot{padding:9px 16px;border-top:1px solid var(--line);background:var(--bg-2);
font-size:12px;color:var(--ink-3);display:flex;gap:5px;align-items:center}
/* ─────────── LIGHTBOX ─────────── */
.lightbox{position:fixed;inset:0;z-index:95;background:rgba(6,12,28,.93);
display:flex;align-items:center;justify-content:center;padding:56px 68px;animation:fade .16s ease}
.lb-fig{margin:0;max-width:100%;max-height:100%;display:flex;flex-direction:column;align-items:center;gap:14px}
.lb-fig img{max-width:100%;max-height:82vh;object-fit:contain;background:#fff;border-radius:6px;padding:8px}
.lb-fig figcaption{color:#c3cee6;font-size:14px;text-align:center;max-width:62ch}
.lb-close,.lb-nav{position:absolute;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);
color:#fff;border-radius:var(--r);cursor:pointer;display:grid;place-items:center;padding:0}
.lb-close{top:18px;right:18px;width:42px;height:42px}
.lb-nav{top:50%;transform:translateY(-50%);width:44px;height:60px}
.lb-nav.prev{left:14px}
.lb-nav.next{right:14px}
.lb-close:hover,.lb-nav:hover{background:rgba(255,255,255,.2)}
.lb-nav svg{width:24px;height:24px}
/* ─────────── RESPONSIVE ─────────── */
@media (max-width:1080px){
.devices,.stats,.summary,.policy-steps,.status-grid,.cards.three{grid-template-columns:1fr 1fr}
.summary>div:last-child,.policy-steps>div:last-child,.stat:last-child{grid-column:1/-1}
}
@media (max-width:900px){
.topbar{display:flex}
.progress{left:0}
.sidebar{position:fixed;left:0;top:0;transform:translateX(-100%);transition:transform .22s ease;
box-shadow:var(--sh-3)}
.sidebar.open{transform:none}
.sb-close{display:grid}
.scrim{display:block;position:fixed;inset:0;background:rgba(10,21,48,.4);z-index:48;
animation:fade .16s ease}
main{padding:0 20px;max-width:100%}
.sec{padding:40px 0}
.split,.tools,.cards.two,.shot-row,.shot-row.three-up,.lifecycle{grid-template-columns:1fr}
.lifecycle a{border-left:0;border-top:1px solid var(--line)}
.lifecycle a:first-child{border-top:0}
.split{gap:24px}
.stepper-panes{padding:20px 18px 6px;min-height:0}
.stepper-dots{display:none}
.stepper-track{display:block;height:4px;background:var(--line);border-radius:2px;margin-bottom:14px}
.stepper-track i{display:block;height:100%;background:var(--blue);border-radius:2px;transition:width .2s}
/* the sticky topbar is ~58px, so anchor jumps must clear it */
html{scroll-padding-top:74px}
.sec{scroll-margin-top:66px}
.lightbox{padding:56px 12px}
.lb-nav{width:38px;height:52px}
}
@media (max-width:600px){
body{font-size:16px}
.devices,.stats,.summary,.policy-steps,.status-grid,.cards.three{grid-template-columns:1fr}
.summary>div,.stat{border-bottom:0}
.ql-grid{grid-template-columns:1fr}
.hero{padding-top:34px}
.pane h3{font-size:19px}
.stepper-nav{padding:14px}
.btn{padding:10px 15px;font-size:14.5px}
}
/* ─────────── PRINT ─────────── */
@media print{
.sidebar,.topbar,.progress,.search-overlay,.lightbox,.stepper-nav,.stepper-bar,.hero-actions,.sb-cta{display:none!important}
body{font-size:11pt}
main{padding:0;max-width:100%}
.sec{page-break-inside:avoid;padding:18px 0;max-width:100%}
.pane{display:block!important;page-break-inside:avoid}
.stepper{border:0;box-shadow:none}
.stepper-panes{padding:0}
a{color:var(--ink);text-decoration:none}
.shot img{cursor:default}
}