/* ============================================================
   StyleChain — shared design system
   Used by all prototype pages. Dark navy base, single blue,
   Sora display + Inter body.
   ============================================================ */
:root{
  --blue:#2E6BFB; --blue-hover:#4A82FF; --blue-tint:#60A5FA;
  --bg:#0B1220; --bg-2:#0E1626; --card:#141C2B; --border:#22304A;
  --white:#FFFFFF; --text:#C7CCD6; --text-dim:#8C97A8;
  --maxw:1180px; --display:'Sora',sans-serif; --body:'Inter',sans-serif;
  --ok:#4ADE80; --warn:#FBBF24;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:var(--display);color:var(--white);line-height:1.1;letter-spacing:-.02em}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.blue{color:var(--blue-tint)}
img{max-width:100%}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--body);font-weight:600;font-size:16px;line-height:1;padding:15px 30px;border-radius:8px;cursor:pointer;border:0;transition:.18s ease}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-hover);transform:translateY(-1px);box-shadow:0 10px 30px -8px rgba(46,107,251,.6)}
.btn-ghost{background:transparent;color:#fff;border:1px solid var(--border)}
.btn-ghost:hover{border-color:var(--blue-tint);color:var(--blue-tint)}
.btn-text{display:inline-flex;align-items:center;background:transparent;color:#fff;padding:0 4px;font-weight:600;font-size:16px;line-height:1;border:0}
.btn-text:hover{color:var(--blue-tint)}
.btn-sm{font-size:14px;padding:11px 20px}
.reassure{font-size:13px;color:var(--text-dim);margin-top:14px}
.reassure b{color:var(--text);font-weight:600}

/* nav */
header{position:sticky;top:0;z-index:50;background:rgba(11,18,32,.82);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{font-family:var(--display);font-weight:800;font-size:22px;color:#fff;letter-spacing:-.02em}
.logo span{color:var(--blue-tint)}
.nav-links{display:flex;align-items:center;gap:28px;font-weight:500;font-size:14px}
.nav-links a:hover,.nav-links a.active{color:#fff}
.nav-cta{display:flex;align-items:center;gap:20px}
.nav-cta .login{font-size:14px;font-weight:500}
.nav-cta .login:hover{color:#fff}
@media(max-width:980px){.nav-links{display:none}}

/* page hero (interior pages) */
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--blue-tint);background:rgba(46,107,251,.12);border:1px solid rgba(46,107,251,.3);padding:6px 14px;border-radius:100px;margin-bottom:22px}
.phero{text-align:center;padding:80px 0 56px;background:radial-gradient(800px 420px at 50% 0%,rgba(46,107,251,.18),transparent 65%),var(--bg)}
.phero h1{font-size:54px;font-weight:800;margin-bottom:18px}
.phero p{font-size:19px;max-width:640px;margin:0 auto}
.phero .btns{display:flex;align-items:baseline;gap:14px;justify-content:center;margin-top:28px;flex-wrap:wrap}
@media(max-width:900px){.phero h1{font-size:36px}}

/* sections */
.sec{padding:80px 0}
.sec.alt{background:var(--bg-2);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.sec-head{text-align:center;max-width:700px;margin:0 auto 48px}
.sec-head h2{font-size:38px;font-weight:700;margin-bottom:14px}
.sec-head p{font-size:18px}
@media(max-width:900px){.sec{padding:56px 0}.sec-head h2{font-size:28px}}

/* cards grid */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cards.two{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:26px;transition:.2s}
.card:hover{border-color:rgba(46,107,251,.5);transform:translateY(-3px)}
.card .ic{width:46px;height:46px;border-radius:11px;display:grid;place-items:center;background:rgba(46,107,251,.13);margin-bottom:16px;font-size:22px}
.card h3,.card h4{font-size:19px;font-weight:600;margin-bottom:9px}
.card p{font-size:15px}
@media(max-width:900px){.cards,.cards.two{grid-template-columns:1fr}}

/* alternating feature rows */
.frow{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center;margin-bottom:30px;background:var(--card);border:1px solid var(--border);border-radius:16px;padding:40px}
.frow.plain{background:transparent;border:0;padding:0}
.frow.rev .ftext{order:2}
.ftag{font-size:13px;font-weight:600;color:var(--blue-tint);letter-spacing:.04em;text-transform:uppercase;margin-bottom:12px}
.ftext h3{font-size:26px;font-weight:700;margin-bottom:13px}
.ftext p{font-size:16px;max-width:480px;margin-bottom:16px}
.ftext ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.ftext li{display:flex;gap:10px;font-size:15px}
.ftext li .ck{flex:none;margin-top:3px;color:var(--blue-tint);font-weight:700}
@media(max-width:900px){.frow{grid-template-columns:1fr;gap:26px;padding:26px}.frow.rev .ftext{order:0}}

/* product UI mockups */
.mock{background:var(--bg);border:1px solid var(--border);border-radius:12px;overflow:hidden}
.mock-card{background:linear-gradient(180deg,#16203400,#0e1626);border:1px solid var(--border);border-radius:16px;padding:16px;box-shadow:0 40px 80px -30px rgba(0,0,0,.6)}
.mhead{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--border)}
.mhead .t{font-family:var(--display);font-weight:700;color:#fff;font-size:14px}
.pill{font-size:11px;font-weight:600;padding:4px 10px;border-radius:100px;background:rgba(46,107,251,.15);color:var(--blue-tint)}
.mrows{padding:12px 16px;display:flex;flex-direction:column;gap:10px}
.row{display:grid;grid-template-columns:26px 1fr auto;align-items:center;gap:12px;background:var(--card);border:1px solid var(--border);border-radius:9px;padding:10px 12px}
.sw{width:26px;height:26px;border-radius:7px}
.row b{display:block;color:#fff;font-size:13px;font-family:var(--body);font-weight:600}
.row .sub{font-size:11px;color:var(--text-dim)}
.status{font-size:11px;font-weight:600;padding:4px 10px;border-radius:100px}
.s-green{background:rgba(34,197,94,.15);color:var(--ok)}
.s-amber{background:rgba(245,158,11,.15);color:var(--warn)}
.s-blue{background:rgba(46,107,251,.18);color:var(--blue-tint)}
.mfoot{display:flex;justify-content:space-between;align-items:center;padding:13px 16px;border-top:1px solid var(--border)}
.mfoot .lbl{font-size:11px;color:var(--text-dim)}
.mfoot .val{font-family:var(--display);font-weight:700;color:#fff;font-size:15px}

/* chat bubble mock (AI / supplier chat) */
.chat{display:flex;flex-direction:column;gap:10px;padding:16px}
.bub{max-width:80%;padding:11px 14px;border-radius:14px;font-size:13.5px;line-height:1.5}
.bub.user{align-self:flex-end;background:var(--blue);color:#fff;border-bottom-right-radius:4px}
.bub.bot{align-self:flex-start;background:var(--card);border:1px solid var(--border);border-bottom-left-radius:4px}
.bub .who{font-size:10px;letter-spacing:.05em;text-transform:uppercase;color:var(--text-dim);margin-bottom:4px}

/* stat bar */
.statbar{border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:var(--bg-2)}
.statbar .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:26px 28px}
.stat .n{font-family:var(--display);font-weight:800;color:#fff;font-size:30px}
.stat .n b{color:var(--blue-tint)}
.stat .l{font-size:13px;color:var(--text-dim)}
@media(max-width:620px){.statbar .wrap{grid-template-columns:repeat(2,1fr);gap:22px}}

/* bar chart mock (planning) */
.bars{display:flex;align-items:flex-end;gap:10px;height:150px;padding:16px}
.bars .b{flex:1;background:linear-gradient(180deg,#2E6BFB,#1b4fc4);border-radius:6px 6px 0 0;position:relative}
.bars .b.dim{background:#22304A}
.bars .b span{position:absolute;top:-18px;left:0;right:0;text-align:center;font-size:11px;color:var(--text-dim)}

/* logo strip / integrations */
.logos{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:18px}
.logos .chip{font-family:var(--display);font-weight:700;font-size:15px;color:#fff;opacity:.78;background:var(--card);border:1px solid var(--border);padding:12px 22px;border-radius:10px}
/* integration icon grid */
.intg-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.intg-tile{display:flex;align-items:center;gap:14px;background:var(--card);border:1px solid var(--border);border-radius:12px;padding:16px 18px;transition:.2s}
.intg-tile:nth-child(7):nth-last-child(2){grid-column:3}
.intg-tile:nth-child(8):last-child{grid-column:4}
@media(max-width:1100px){
  .intg-grid{grid-template-columns:repeat(3,1fr)}
  .intg-tile:nth-child(7):nth-last-child(2){grid-column:2}
  .intg-tile:nth-child(8):last-child{grid-column:3}
}
@media(max-width:620px){
  .intg-grid{grid-template-columns:repeat(2,1fr)}
  .intg-tile:nth-child(7):nth-last-child(2){grid-column:1}
  .intg-tile:nth-child(8):last-child{grid-column:2}
}
.intg-tile:hover{border-color:rgba(46,107,251,.5);transform:translateY(-2px)}
.intg-tile img{height:28px;width:28px;object-fit:contain;flex:none}
.intg-tile .badge{height:30px;width:30px;flex:none;border-radius:7px;display:grid;place-items:center;font-family:var(--display);font-weight:800;font-size:13px;color:#fff}
.intg-tile .em{font-size:24px;line-height:1;flex:none;width:30px;text-align:center}
.intg-tile b{display:block;font-family:var(--display);font-weight:600;font-size:14px;color:#fff}
.intg-tile span{display:block;font-size:11px;color:var(--text-dim)}

/* swatches (materials) */
.sw-label{font-size:13px;font-weight:600;color:var(--blue-tint);letter-spacing:.06em;text-transform:uppercase;margin:34px 0 14px}
.sw-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(132px,1fr));gap:16px}
.chip2{border:1px solid var(--border);border-radius:12px;overflow:hidden;background:var(--card)}
.chip2 .swt{height:84px}
.chip2 .lbl{padding:10px 12px}
.chip2 .lbl b{display:block;color:#fff;font-size:13px;font-weight:600}
.chip2 .lbl span{font-size:11px;color:var(--text-dim)}
.fab-knit{background:repeating-linear-gradient(45deg,#c9b18a,#c9b18a 4px,#bda57e 4px,#bda57e 8px)}
.fab-denim{background:repeating-linear-gradient(135deg,#5b7ca6,#5b7ca6 3px,#516f95 3px,#516f95 6px)}
.fab-terry{background:repeating-linear-gradient(0deg,#e7e9ee,#e7e9ee 5px,#d7dae1 5px,#d7dae1 10px)}
.fab-rib{background:repeating-linear-gradient(90deg,#e1b0be,#e1b0be 4px,#d49db0 4px,#d49db0 8px)}
.fab-twill{background:repeating-linear-gradient(60deg,#7d8a99,#7d8a99 3px,#6f7c8b 3px,#6f7c8b 7px)}
.apparel-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:14px}
.apparel-card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:16px;text-align:center;transition:.2s}
.apparel-card:hover{border-color:rgba(46,107,251,.5);transform:translateY(-3px)}
.apparel-card img{width:100%;height:148px;object-fit:contain}
.apparel-card span{font-size:13px;color:var(--text);display:block;margin-top:8px;font-weight:500}
@media(max-width:680px){.apparel-row{grid-template-columns:repeat(2,1fr)}}

/* quotes */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.quote{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:26px;display:flex;flex-direction:column;gap:18px}
.quote .stars{color:#fbbf24;font-size:14px;letter-spacing:2px}
.quote p{font-size:15px;color:#e7eaf0}
.quote .who{display:flex;align-items:center;gap:12px;margin-top:auto}
.quote .av{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;font-family:var(--display);font-weight:700;color:#fff;font-size:15px}
.quote .who b{display:block;color:#fff;font-size:14px;font-family:var(--body)}
.quote .who span{font-size:12px;color:var(--text-dim)}
@media(max-width:900px){.quotes{grid-template-columns:1fr}}

/* final CTA */
.final{text-align:center;padding:84px 0;background:radial-gradient(700px 360px at 50% 0%,rgba(46,107,251,.22),transparent 65%),var(--bg-2);border-top:1px solid var(--border)}
.final h2{font-size:40px;font-weight:800;margin-bottom:14px}
.final p{font-size:19px;max-width:520px;margin:0 auto 28px}
@media(max-width:900px){.final h2{font-size:30px}}

/* footer */
footer{background:var(--bg);border-top:1px solid var(--border);padding:56px 0 32px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px;margin-bottom:36px}
.foot-grid .logo{margin-bottom:14px}
.foot-grid p{font-size:14px;max-width:280px}
.fcol h5{font-size:12px;letter-spacing:.12em;color:var(--text-dim);text-transform:uppercase;margin-bottom:16px;font-family:var(--body);font-weight:600}
.fcol a{display:block;font-size:14px;color:var(--text);margin-bottom:11px}
.fcol a:hover{color:#fff}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--border);padding-top:22px;font-size:13px;color:var(--text-dim);flex-wrap:wrap;gap:14px}
@media(max-width:900px){.foot-grid{grid-template-columns:1fr 1fr}}

/* prototype note banner */
.note{background:rgba(46,107,251,.1);border-bottom:1px solid rgba(46,107,251,.3);font-size:13px;color:var(--text);text-align:center;padding:9px 16px}
.note b{color:#fff}

/* brand logo wall (light tiles so colour logos read on dark) */
.brand-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px}
.brand-tile{background:#fff;border-radius:12px;height:104px;display:grid;place-items:center;padding:20px 24px}
.brand-tile img{max-height:58px;max-width:100%;object-fit:contain;filter:grayscale(1);opacity:.78;transition:.2s}
.brand-tile:hover img{filter:none;opacity:1}

/* brand logo marquee (3Clicks-style scrolling strip on a clean light band) */
.marquee{position:relative;overflow:hidden;background:#fff;border-radius:16px;padding:30px 0}
.marquee::before,.marquee::after{content:"";position:absolute;top:0;bottom:0;width:90px;z-index:2;pointer-events:none}
.marquee::before{left:0;background:linear-gradient(90deg,#fff,rgba(255,255,255,0))}
.marquee::after{right:0;background:linear-gradient(270deg,#fff,rgba(255,255,255,0))}
.marquee-track{display:flex;align-items:center;gap:64px;width:max-content;animation:sc-scroll 42s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee-track img{height:40px;width:auto;object-fit:contain;filter:grayscale(1);opacity:.7;transition:.2s}
.marquee-track img:hover{filter:none;opacity:1}
@keyframes sc-scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@media(max-width:600px){.marquee-track img{height:32px}.marquee-track{gap:44px}}

/* brand photo-tile grid (3Clicks-style big image tiles) */
.brand-tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:16px;max-width:1120px;margin:30px auto 0}
.btile{display:block;position:relative;border-radius:16px;overflow:hidden;aspect-ratio:1/1;background:#0f1830;box-shadow:0 10px 28px rgba(0,0,0,.28);border:1px solid rgba(255,255,255,.06);text-decoration:none}
.btile::after{content:"";position:absolute;inset:0;border-radius:16px;box-shadow:inset 0 0 0 2px rgba(46,107,251,0);transition:.25s;pointer-events:none}
.btile:hover::after{box-shadow:inset 0 0 0 2px rgba(46,107,251,.65)}
.btile img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s ease}
.btile:hover img{transform:scale(1.07)}
@media(max-width:640px){.brand-tiles{grid-template-columns:repeat(2,1fr);gap:12px}}

/* customer-story cards with real brand photo banners */
.card.story{display:flex;flex-direction:column;padding:0;overflow:hidden;text-decoration:none;transition:transform .2s ease,border-color .2s ease}
.card.story:hover{transform:translateY(-3px);border-color:rgba(46,107,251,.5)}
.card.story .cbanner{aspect-ratio:16/10;overflow:hidden;background:#0f1830}
.card.story .cbanner img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s ease}
.card.story:hover .cbanner img{transform:scale(1.05)}
.card.story .cbody{padding:22px 22px 24px}
.card.story h3{margin:0 0 8px}
.card.story .rs{display:inline-block;margin-top:12px;font-weight:600}