/* ============================================================
   Airbridge website · design system (premium web voice)
   Forward brand direction, June 2026. Distinct from the decks.
   ============================================================ */
:root{
  --cobalt:#001978; --cobalt-700:#0a2aa0; --cobalt-500:#1f49d6; --deep:#000d34;
  --cyan:#00B0B9; --bright:#2fd9e0; --mint:#58E9DA;
  --ink:#14171f; --muted:#5b6473; --paper:#ffffff; --mist:#f4f7fd; --ice:#eaf0fb; --line:#e3eaf6;
  --maxw:1180px;
  --font:'Asap','Segoe UI',system-ui,-apple-system,sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow:0 24px 60px rgba(0,20,90,.12);
  --shadow-sm:0 10px 30px rgba(0,20,90,.08);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--paper);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

.container{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.section{padding:clamp(84px,11vw,148px) 0}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:3px;text-transform:uppercase;color:var(--cyan);display:inline-flex;align-items:center;gap:12px}
.eyebrow::before{content:none}
h1,h2,h3{font-weight:800;letter-spacing:-.02em;line-height:1.04;color:var(--cobalt)}
.display{font-size:clamp(40px,7vw,84px)}
h2.big{font-size:clamp(30px,4.4vw,52px);margin-top:18px}
.lead{font-size:clamp(17px,1.5vw,21px);color:var(--muted);max-width:62ch;margin-top:18px;line-height:1.55}
.kicker-num{font-variant-numeric:tabular-nums}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;padding:15px 28px;border-radius:40px;font-weight:700;font-size:15px;transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--cobalt);color:#fff;box-shadow:0 12px 30px rgba(0,25,120,.28)}
.btn-primary:hover{background:var(--cobalt-700)}
.btn-bright{background:var(--bright);color:var(--deep);box-shadow:0 12px 34px rgba(47,217,224,.4)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.5)}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-text{color:var(--cobalt);font-weight:700;display:inline-flex;align-items:center;gap:8px}
.btn-text .ar{transition:transform .25s var(--ease)}
.btn-text:hover .ar{transform:translateX(5px)}

/* header */
.hdr{position:fixed;top:0;left:0;right:0;z-index:100;transition:background .35s,box-shadow .35s,padding .35s;padding:22px 0}
.hdr .container{display:flex;align-items:center;justify-content:space-between}
.hdr .logo{height:56px;width:auto;display:block}
.hdr .logo-link{display:inline-flex;align-items:center}
.hdr nav{display:flex;align-items:center;gap:30px}
.hdr nav a.link{font-size:14.5px;font-weight:600;color:rgba(255,255,255,.86)}
.hdr nav a.link:hover{color:#fff}
.hdr .btn{padding:11px 20px;font-size:14px}
.hdr.scrolled{background:rgba(0,18,70,.92);backdrop-filter:blur(12px);box-shadow:0 1px 0 rgba(255,255,255,.10);padding:13px 0}
.hdr.scrolled nav a.link{color:rgba(255,255,255,.86)}
.hdr.scrolled nav a.link:hover{color:#fff}
.hdr.scrolled .logo{filter:none}
.hdr.scrolled .logo.white{display:none}
.hdr .logo.doc{display:none}
.hdr.scrolled .logo.doc{display:block}
@media(max-width:860px){.hdr nav .link{display:none}}

/* hero */
.hero{position:relative;min-height:100vh;display:flex;align-items:flex-end;color:#fff;overflow:hidden}
.hero .bg{position:absolute;inset:0;background-image:url('assets/mountain.jpg');background-size:cover;background-position:center;transform:scale(1.06)}
.hero video.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;background:#001978;transform:scale(1.04)}
/* Brand cobalt wash (the Airbridge baseline blue), deepening at the foot so the headline reads */
.hero .ov{position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,70,245,.50) 0%,rgba(17,78,229,.48) 30%,rgba(0,22,86,.82) 76%,rgba(0,11,40,.96) 100%)}
.hero .ov2{position:absolute;inset:0;background:radial-gradient(120% 90% at 85% 10%,rgba(47,217,224,.18),transparent 55%)}
.hero .container{position:relative;padding-bottom:clamp(46px,7vw,96px);padding-top:140px;width:100%}
.hero .eyebrow{color:var(--bright)}
.hero .eyebrow::before{background:var(--bright)}
.hero h1{color:#fff;max-width:18ch;margin-top:22px;text-shadow:0 2px 30px rgba(0,8,40,.35)}
.hero .sub{font-size:clamp(17px,1.7vw,22px);color:#d7e2ff;max-width:46ch;margin-top:22px;line-height:1.5}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
.hero .stats{display:flex;gap:38px;flex-wrap:wrap;margin-top:52px;padding-top:26px;border-top:1px solid rgba(255,255,255,.16)}
.hero .stat .n{font-size:24px;font-weight:800;color:#fff}
.hero .stat .l{font-size:12.5px;letter-spacing:1.5px;text-transform:uppercase;color:#a9bbe6;margin-top:3px}
.scrollhint{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);width:26px;height:42px;border:2px solid rgba(255,255,255,.4);border-radius:14px;display:flex;justify-content:center;padding-top:8px}
.scrollhint i{width:4px;height:8px;border-radius:2px;background:var(--bright);animation:drop 1.7s infinite}
@keyframes drop{0%{opacity:0;transform:translateY(-4px)}40%{opacity:1}100%{opacity:0;transform:translateY(12px)}}

/* reframe (editorial) */
.reframe{background:var(--mist)}
.reframe .grid{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center}
@media(max-width:880px){.reframe .grid{grid-template-columns:1fr;gap:32px}}
.reframe .statement{font-size:clamp(26px,3.2vw,42px);font-weight:800;color:var(--cobalt);line-height:1.18;letter-spacing:-.02em}
.reframe .statement .dim{color:var(--muted);font-weight:700}
.reframe .statement .hl{color:var(--cyan)}
.contrast{border-left:3px solid var(--mint);padding:6px 0 6px 26px;display:flex;flex-direction:column;gap:24px}
.contrast .row .t{font-size:12px;letter-spacing:2px;text-transform:uppercase;font-weight:700;color:var(--muted)}
.contrast .row .d{font-size:18px;color:var(--ink);margin-top:5px;font-weight:600}
.contrast .row.use .t{color:var(--cyan)}

/* value chain flow */
.flow{position:relative;margin-top:60px;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
@media(max-width:820px){.flow{grid-template-columns:1fr 1fr;gap:30px 18px}}
.flow::before{content:"";position:absolute;top:23px;left:6%;right:6%;height:2px;background:linear-gradient(90deg,var(--cyan),var(--mint));opacity:.55}
@media(max-width:820px){.flow::before{display:none}}
.stage{position:relative;text-align:center;padding:0 6px}
.stage .node{width:48px;height:48px;border-radius:50%;background:#fff;border:2px solid var(--cyan);color:var(--cobalt);font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 18px;position:relative;z-index:2;box-shadow:var(--shadow-sm)}
.stage:last-child .node{background:var(--cobalt);border-color:var(--cobalt);color:var(--mint)}
.stage h4{font-size:18px;color:var(--cobalt)}
.stage p{font-size:14px;color:var(--muted);margin-top:6px;line-height:1.5}

/* verticals */
.verticals .head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;flex-wrap:wrap}
.vgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:48px}
@media(max-width:860px){.vgrid{grid-template-columns:1fr}}
.vcard{position:relative;min-height:440px;border-radius:22px;overflow:hidden;display:flex;flex-direction:column;justify-content:flex-end;padding:32px;color:#fff;isolation:isolate;box-shadow:var(--shadow-sm);transition:transform .4s var(--ease),box-shadow .4s var(--ease)}
.vcard:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.vcard .vbg{position:absolute;inset:0;z-index:-2;transition:transform .6s var(--ease)}
.vcard:hover .vbg{transform:scale(1.07)}
.vcard .vov{position:absolute;inset:0;z-index:-1;background:linear-gradient(175deg,rgba(0,15,55,.10) 20%,rgba(0,15,55,.86) 100%)}
.vcard.cement .vbg{background:linear-gradient(150deg,#3a4a73,#0a1f5e 70%,#001140)}
.vcard.fert .vbg{background:linear-gradient(150deg,#0e7e86,#024a78 70%,#001140)}
.vcard.wte .vbg{background:linear-gradient(150deg,#1f49d6,#0a2aa0 60%,#000d34)}
.vcard .vnum{font-size:13px;font-weight:800;letter-spacing:2px;color:var(--mint)}
.vcard h3{color:#fff;font-size:27px;margin-top:auto}
.vcard p{color:#d7e2ff;font-size:14.5px;margin-top:10px;max-width:34ch}
.vcard .go{margin-top:20px;font-weight:700;font-size:14px;color:#fff;display:inline-flex;gap:8px;align-items:center}
.vcard .go .ar{color:var(--mint);transition:transform .25s var(--ease)}
.vcard:hover .go .ar{transform:translateX(5px)}

/* products */
.products{background:var(--mist)}
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:50px}
@media(max-width:860px){.pgrid{grid-template-columns:1fr}}
.pcard{background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:34px 30px;position:relative;overflow:hidden;transition:transform .35s var(--ease),box-shadow .35s var(--ease)}
.pcard:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.pcard .pi{font-size:54px;font-weight:800;color:var(--ice);line-height:1;letter-spacing:-.03em}
.pcard h3{font-size:23px;margin-top:14px}
.pcard p{color:var(--muted);font-size:14.5px;margin-top:10px}
.tagperm{display:inline-block;margin-top:16px;font-size:11px;font-weight:800;letter-spacing:1.4px;text-transform:uppercase;color:var(--cyan);background:#e6f7f8;border-radius:30px;padding:6px 13px}

/* proof band */
.proof{background:linear-gradient(180deg,#fff 0%,#f7fbff 100%);color:var(--ink);position:relative;overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.proof .eyebrow{color:var(--cyan)}.proof .eyebrow::before{background:var(--cyan)}
.proof h2{color:var(--cobalt)}
.prow{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:54px}
@media(max-width:820px){.prow{grid-template-columns:1fr 1fr}}
.proof .pitem{padding:24px 22px;border-radius:16px;background:linear-gradient(180deg,#fff,#f5f8ff);border:1px solid rgba(20,40,90,.08);box-shadow:inset 0 1px 0 rgba(255,255,255,.85),0 18px 42px -26px rgba(12,20,48,.26)}
.pitem .n{font-size:30px;font-weight:800;color:var(--cobalt)}
.pitem .n .u{color:var(--cyan)}
.pitem .l{font-size:13.5px;color:var(--muted);margin-top:6px;line-height:1.5}
.ladder{margin-top:70px;position:relative}
.ladder .lbl{font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--cyan);font-weight:700;margin-bottom:26px}
.lline{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;position:relative}
.lline::before{content:"";position:absolute;top:9px;left:9%;right:9%;height:2px;background:rgba(0,25,120,.16)}
.rung{text-align:center;position:relative}
.rung .dot{width:18px;height:18px;border-radius:50%;background:#fff;border:2px solid rgba(0,25,120,.24);box-shadow:0 0 0 6px rgba(0,25,120,.04);margin:0 auto 14px;position:relative;z-index:2}
.rung.on .dot{background:var(--cyan);border-color:var(--cyan);box-shadow:0 0 0 6px rgba(0,176,185,.14),0 10px 22px rgba(0,176,185,.18)}
.rung .s{font-size:11px;letter-spacing:1px;text-transform:uppercase;color:#73829b;font-weight:700}
.rung.on .s{color:var(--cyan)}
.rung h4{color:var(--cobalt);font-size:14.5px;margin-top:4px}
@media(max-width:560px){
  .prow{grid-template-columns:1fr;gap:14px}
  .proof .pitem{padding:22px}
  .pitem .n{font-size:28px}
  .lline{grid-template-columns:1fr;gap:18px}
  .lline::before{top:9px;bottom:9px;left:9px;right:auto;width:2px;height:auto}
  .rung{text-align:left;display:grid;grid-template-columns:30px minmax(0,1fr);column-gap:12px;align-items:start}
  .rung .dot{grid-row:1 / span 2;margin:0}
  .rung .s,.rung h4{grid-column:2}
  .rung h4{margin-top:2px}
}

/* secondary */
.secondary .scols{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:48px}
@media(max-width:780px){.secondary .scols{grid-template-columns:1fr}}
.scol{border:1px solid var(--line);border-radius:20px;padding:34px;transition:border-color .3s}
.scol:hover{border-color:var(--cyan)}
.scol .k{font-size:12px;font-weight:800;letter-spacing:2px;text-transform:uppercase;color:var(--cyan)}
.scol h3{font-size:24px;margin-top:12px}
.scol p{color:var(--muted);font-size:15px;margin-top:12px}
.scol .btn-text{margin-top:20px}
.techline{margin-top:24px;color:var(--muted);font-size:14px}
.techline b{color:var(--cobalt)}

/* closing */
.closing{position:relative;color:#fff;text-align:center;overflow:hidden}
.closing .bg{position:absolute;inset:0;background-image:url('assets/mountain.jpg');background-size:cover;background-position:center 40%}
.closing .ov{position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,78,235,.46) 0%,rgba(14,52,175,.50) 45%,rgba(0,24,92,.80) 100%)}
.closing .container{position:relative}
.closing h2{color:#fff;font-size:clamp(38px,5.6vw,72px);letter-spacing:-.025em}
.closing p{color:#cdd9ff;font-size:19px;margin:18px auto 0;max-width:48ch}
.closing .cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:38px}
.doors{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:32px}
.door{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.18);border-radius:18px;padding:26px;backdrop-filter:blur(8px)}
.door h4{margin:0;color:#fff;font-size:20px;font-weight:700}
.door p{margin:9px auto 18px;color:#cfe0ff;font-size:15px;line-height:1.5;max-width:30ch}
@media(max-width:780px){.doors{grid-template-columns:1fr}}

/* footer */
.foot{background:var(--cobalt);color:#c3cef0;padding:70px 0 40px}
.foot .top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.1)}
@media(max-width:780px){.foot .top{grid-template-columns:1fr;gap:26px}}
.foot .logo{height:64px;margin-bottom:18px}
.foot .ack{font-size:13px;color:#7e8fc0;line-height:1.7;max-width:48ch}
.foot .col h5{color:#fff;font-size:13px;letter-spacing:1.5px;text-transform:uppercase;margin-bottom:14px}
.foot .col a{display:block;color:#9fb0db;font-size:14.5px;padding:5px 0}
.foot .col a:hover{color:var(--bright)}
.foot .fine{margin-top:26px;font-size:12.5px;color:#6677aa;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* reveal */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}
.d1{transition-delay:.08s}.d2{transition-delay:.16s}.d3{transition-delay:.24s}

/* concept ribbon */
.ribbon{position:fixed;bottom:16px;right:16px;z-index:120;background:rgba(0,13,52,.86);backdrop-filter:blur(6px);color:#cdd9ff;font-size:11.5px;letter-spacing:1px;text-transform:uppercase;font-weight:700;padding:9px 15px;border-radius:30px;border:1px solid rgba(255,255,255,.16)}
.ribbon b{color:var(--bright)}

/* ===== brand mark (header), interior pages, sitemap, roadmap ===== */
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:22px;letter-spacing:.2px;color:#fff}
.hdr.scrolled .brand{color:var(--cobalt)}
.brand .ring{width:22px;height:22px;border:2.5px solid var(--cyan);border-radius:50%;position:relative;flex:none}
.brand .ring::after{content:"";position:absolute;width:5px;height:5px;background:var(--cyan);border-radius:50%;right:3px;bottom:3px}
.hdr nav a.link.active{color:#fff;font-weight:700}
.hdr.scrolled nav a.link.active{color:#fff}

.pagehero{position:relative;background:radial-gradient(120% 140% at 82% -20%,var(--cobalt-700),var(--cobalt) 52%,var(--deep));color:#fff;padding:158px 0 86px;overflow:hidden}
.pagehero::before{content:'';position:absolute;inset:0;background:url('assets/hero-poster.jpg') center/cover;opacity:.12;z-index:0;pointer-events:none}
.pagehero .glow{position:absolute;inset:0;background:radial-gradient(90% 70% at 88% 0%,rgba(47,217,224,.18),transparent 55%);z-index:1;animation:driftp 16s ease-in-out infinite alternate}
@keyframes driftp{0%{transform:translate(0,0)}100%{transform:translate(7%,5%)}}
.pagehero .container{position:relative;z-index:2}
.pagehero .eyebrow{color:var(--bright)}.pagehero .eyebrow::before{background:var(--bright)}
.pagehero h1{color:#fff;font-size:clamp(32px,5vw,58px);max-width:18ch;margin-top:18px}
.pagehero .lead{color:#cdd9ff;max-width:60ch}

.ctaband{background:var(--cobalt);color:#fff;text-align:center}
.ctaband h2{color:#fff;font-size:clamp(32px,4.6vw,56px);letter-spacing:-.022em}
.ctaband p{color:#cdd9ff;margin:14px auto 0;max-width:48ch;font-size:18px}
.ctaband .cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:30px}

.twh{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:44px}
@media(max-width:820px){.twh{grid-template-columns:1fr}}
.detail{background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px}
.detail .k{font-size:12px;font-weight:800;letter-spacing:2px;text-transform:uppercase;color:var(--cyan)}
.detail h3{font-size:21px;margin-top:10px}
.detail p{color:var(--muted);margin-top:10px;font-size:15px}
.bullets{list-style:none;margin-top:18px;display:flex;flex-direction:column;gap:11px}
.bullets li{position:relative;padding-left:24px;color:var(--ink);font-size:15.5px}
.bullets li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;background:var(--cyan)}

.smap{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:44px}
@media(max-width:820px){.smap{grid-template-columns:1fr}}
.smapcard{border:1px solid var(--line);border-radius:18px;padding:26px;background:#fff;transition:transform .25s var(--ease),box-shadow .25s var(--ease)}
.smapcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm)}
.smapcard.home{border-color:var(--cyan);background:linear-gradient(180deg,#f2fbfc,#fff)}
.smapcard .pgno{font-size:12px;font-weight:800;color:var(--cyan);letter-spacing:1px}
.smapcard h3{font-size:21px;margin:6px 0 4px}
.smapcard .job{color:var(--muted);font-size:14px}
.smapcard .secs{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px}
.smapcard .secs span{font-size:12px;background:var(--mist);border:1px solid var(--line);border-radius:20px;padding:5px 11px;color:var(--cobalt);font-weight:600}

.phases{position:relative;margin-top:44px}
.phases::before{content:"";position:absolute;left:7px;top:5px;bottom:12px;width:2px;background:var(--line)}
.phase{position:relative;padding:0 0 30px 38px}
.phase::before{content:"";position:absolute;left:0;top:2px;width:16px;height:16px;border-radius:50%;background:#fff;border:3px solid var(--cyan);z-index:1}
.phase.done::before{background:var(--cyan)}
.phase.now::before{background:var(--mint);border-color:var(--mint);box-shadow:0 0 0 6px rgba(88,233,218,.18)}
.phase .ph{font-size:12px;font-weight:800;letter-spacing:1.5px;text-transform:uppercase;color:var(--cyan)}
.phase.now .ph{color:#0a8f86}
.phase h3{font-size:20px;margin:4px 0 6px}
.phase p{color:var(--muted);font-size:15px;max-width:64ch}

/* ===== wireframes ===== */
.wfgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:44px}
@media(max-width:880px){.wfgrid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.wfgrid{grid-template-columns:1fr}}
.wfwrap{display:flex;flex-direction:column;gap:10px}
.wf{border:1px solid var(--line);border-radius:12px;background:#fff;overflow:hidden;box-shadow:var(--shadow-sm)}
.wf .bar{height:20px;background:var(--mist);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:5px;padding:0 9px}
.wf .bar .dot{width:6px;height:6px;border-radius:50%;background:#cdd6e6}
.wf .screen{padding:10px;display:flex;flex-direction:column;gap:7px}
.wfcap{font-size:13px;font-weight:700;color:var(--cobalt);text-align:center}
.wb{border-radius:5px;background:#eef2f9}
.wb.hero{height:70px;background:linear-gradient(135deg,var(--cobalt),var(--cobalt-700));position:relative}
.wb.hero::after{content:"";position:absolute;left:10px;bottom:12px;width:58%;height:7px;background:rgba(255,255,255,.6);border-radius:3px;box-shadow:0 -11px 0 rgba(255,255,255,.85),0 11px 0 rgba(47,217,224,.85)}
.wb.phero{height:44px;background:linear-gradient(135deg,var(--cobalt),var(--cobalt-700));position:relative}
.wb.phero::after{content:"";position:absolute;left:9px;bottom:9px;width:52%;height:6px;background:rgba(255,255,255,.65);border-radius:3px}
.wb.line{height:7px;background:#e4eaf4}
.wb.line.short{width:42%}
.wb.row{display:grid;gap:6px;background:transparent}
.wb.cols2{grid-template-columns:1fr 1fr}
.wb.cols3{grid-template-columns:1fr 1fr 1fr}
.wb.card{height:40px;background:#eef2f9;border:1px solid #e3eaf6;border-radius:6px}
.wb.img{height:54px;border-radius:6px;background:linear-gradient(160deg,#3a4a73,#0a1f5e)}
.wb.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;align-items:center;background:transparent}
.wb.flow span{height:18px;border-radius:6px;background:#e4eaf4;position:relative;display:block}
.wb.flow span::before{content:"";position:absolute;left:6px;top:5px;width:8px;height:8px;border-radius:50%;background:var(--cyan)}
.wb.band{height:54px;border-radius:6px;background:linear-gradient(135deg,var(--cobalt-700),var(--deep))}
.wb.cta{height:26px;border-radius:6px;background:var(--cyan);opacity:.9}
.wb.footer{height:22px;border-radius:5px;background:var(--deep);opacity:.9}

/* proof-first strip + 5-node system flow */
.proofbar{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.proofbar .row{max-width:var(--maxw);margin:0 auto;padding:24px 28px;display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
@media(max-width:760px){.proofbar .row{grid-template-columns:1fr 1fr;gap:18px}}
.pf{position:relative;padding-left:18px}
.pf::before{content:"";position:absolute;left:0;top:7px;width:8px;height:8px;border-radius:50%;background:var(--cyan)}
.pf .pn{font-size:16px;font-weight:800;color:var(--cobalt);line-height:1.2}
.pf .pl{font-size:12.5px;color:var(--muted);margin-top:3px}
.flow.five{grid-template-columns:repeat(5,1fr)}
@media(max-width:820px){.flow.five{grid-template-columns:repeat(2,1fr)}}

.ctaband{background:linear-gradient(180deg,rgba(0,78,235,.46),rgba(14,52,175,.50) 45%,rgba(0,24,92,.80) 100%),url("assets/mountain.jpg") center/cover !important;-webkit-print-color-adjust:exact}

.hdr.scrolled .logo{height:46px}

.section.closing{padding:132px 0}
.section.ctaband{padding:120px 0}

/* phase 1 card depth polish (site-wide) */
.detail{box-shadow:0 10px 30px rgba(12,20,48,.06);transition:transform .5s cubic-bezier(.2,.8,.2,1),box-shadow .5s}
.detail:hover{transform:translateY(-5px);box-shadow:0 22px 48px rgba(12,20,48,.13)}
.pcard{box-shadow:0 10px 30px rgba(12,20,48,.06)}
.pcard:hover{box-shadow:0 24px 50px rgba(12,20,48,.14)}


/* premium card elevation, no accent lines */
.detail::before{content:none}
.detail,.pcard{background:linear-gradient(180deg,#ffffff,#f6f9ff);border:1px solid rgba(20,40,90,.07);box-shadow:inset 0 1px 0 rgba(255,255,255,.85),0 2px 4px rgba(12,20,48,.04),0 22px 46px -18px rgba(12,20,48,.24);transition:transform .5s cubic-bezier(.2,.8,.2,1),box-shadow .5s}
.detail:hover,.pcard:hover{transform:translateY(-5px);box-shadow:inset 0 1px 0 rgba(255,255,255,.85),0 2px 4px rgba(12,20,48,.04),0 34px 64px -20px rgba(12,20,48,.32)}
/* === graphics upgrade: chain, product numerals, what-you-get tiles === */
.flow{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:50px}
.flow::before{display:none}
.stage{position:relative;text-align:left;padding:24px 22px 22px;border-radius:16px;color:#fff;overflow:hidden;box-shadow:0 18px 40px -18px rgba(0,25,120,.55)}
.stage:nth-child(1){background:linear-gradient(160deg,#2f9bd6,#0e63c0)}
.stage:nth-child(2){background:linear-gradient(160deg,#1f6cd6,#0a3ba8)}
.stage:nth-child(3){background:linear-gradient(160deg,#15379e,#001978)}
.stage:nth-child(4){background:linear-gradient(160deg,#001978,#000d34)}
.stage .node,.stage:last-child .node{width:auto;height:auto;background:none;border:none;box-shadow:none;color:rgba(255,255,255,.32);font-size:46px;font-weight:800;letter-spacing:-.03em;margin:0;display:block;line-height:1}
.stage h4{color:#fff;font-size:18px;margin-top:4px}
.stage p{color:rgba(255,255,255,.82);font-size:13.5px;margin-top:8px}
.stage:not(:last-child)::after{content:'\203A';position:absolute;right:-10px;top:50%;transform:translateY(-50%);color:var(--bright);font-size:26px;font-weight:800;z-index:3}
@media(max-width:820px){.flow{grid-template-columns:1fr 1fr}.stage:not(:last-child)::after{display:none}}
.pcard{overflow:hidden}
.pcard .pi{font-size:64px;font-weight:800;line-height:1;letter-spacing:-.04em;color:#001978;background:linear-gradient(160deg,#2f6bd6,#001978 75%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.pcard h3{margin-top:10px}
.bullets{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:26px;max-width:780px}
.bullets li{position:relative;padding:20px 22px 20px 52px;background:linear-gradient(180deg,#fff,#f6f9ff);border:1px solid rgba(20,40,90,.07);border-radius:14px;box-shadow:0 14px 32px -18px rgba(12,20,48,.25);font-size:15px;color:var(--ink);line-height:1.45}
.bullets li::before{content:'';position:absolute;left:18px;top:21px;width:14px;height:14px;border-radius:50%;background:radial-gradient(circle at 34% 30%,#7df0ee,#00b0b9);box-shadow:0 0 0 4px rgba(47,217,224,.14)}
@media(max-width:760px){.bullets{grid-template-columns:1fr}}