/* Flow — shared premium design system (used by all marketing pages) */
:root{
  --bg:#FFFFFF; --bg-alt:#F5F5F7; --ink:#1D1D1F; --ink-soft:#37373B; --mut:#6E6E73;
  --line:#E8E8ED; --line-2:#F0F0F3;
  --accent:#0E7490; --accent-d:#0A5566; --accent-2:#22B7D6; --accent-soft:#E9F6F9;
  --good:#1E7D45; --warn:#B4540E;
  --shadow-sm:0 1px 2px rgba(20,24,29,.05);
  --shadow:0 6px 24px -10px rgba(20,24,29,.18);
  --shadow-lg:0 30px 70px -28px rgba(13,40,50,.30);
  --r:22px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,'Inter','Segoe UI',Helvetica,Arial,sans-serif;
  line-height:1.55;-webkit-font-smoothing:antialiased;font-size:17px;overflow-x:hidden}
a{color:inherit;text-decoration:none}
.wrap{max-width:1120px;margin:0 auto;padding:0 28px}
.kicker{font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);font-weight:700}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--ink);color:#fff;font-weight:600;
  padding:13px 24px;border-radius:980px;border:1px solid var(--ink);cursor:pointer;font-size:15.5px;
  font-family:inherit;transition:transform .2s cubic-bezier(.2,.7,.2,1),background .2s;white-space:nowrap}
.btn:hover{background:#000;transform:translateY(-1px)}
.btn.accent{background:var(--accent);border-color:var(--accent);box-shadow:0 8px 24px -10px rgba(14,116,144,.6)}
.btn.accent:hover{background:var(--accent-d)}
.btn.ghost,.btn.line{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn.ghost:hover,.btn.line:hover{border-color:var(--ink)}

/* header */
header{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.72);
  backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid transparent;transition:border-color .3s,background .3s}
header.scrolled{border-bottom-color:var(--line);background:rgba(255,255,255,.86)}
nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo-img{height:40px;width:auto;display:block}
.logo-img.sm{height:30px}
.nav-links{display:flex;gap:26px;align-items:center;font-size:14.5px;color:var(--ink-soft)}
.nav-links a:not(.btn){font-weight:500;transition:color .2s}
.nav-links a:not(.btn):hover,.nav-links a.on{color:var(--ink)}
@media(max-width:860px){.nav-links a:not(.btn){display:none}}

/* hero / heads */
.page-hero{position:relative;overflow:hidden;padding:74px 0 26px}
.aurora{position:absolute;inset:-30% -10% auto -10%;height:560px;z-index:0;pointer-events:none;opacity:.85}
.aurora::before,.aurora::after{content:"";position:absolute;border-radius:50%;filter:blur(70px)}
.aurora::before{width:560px;height:460px;left:12%;top:0;background:radial-gradient(circle at 50% 50%,rgba(34,183,214,.26),rgba(34,183,214,0) 70%);animation:drift1 18s ease-in-out infinite alternate}
.aurora::after{width:500px;height:440px;right:10%;top:30px;background:radial-gradient(circle at 50% 50%,rgba(58,141,255,.18),rgba(58,141,255,0) 70%);animation:drift2 22s ease-in-out infinite alternate}
@keyframes drift1{to{transform:translate(50px,30px) scale(1.1)}}
@keyframes drift2{to{transform:translate(-40px,24px) scale(1.08)}}
.head{position:relative;z-index:1;max-width:46em}
.head.center{margin:0 auto;text-align:center}
.head h1{font-size:clamp(36px,5.4vw,60px);letter-spacing:-.035em;line-height:1.04;font-weight:800;margin-top:12px}
.head h2{font-size:clamp(30px,4.4vw,46px);letter-spacing:-.03em;line-height:1.08;font-weight:800;margin-top:12px}
.head p{color:var(--ink-soft);margin-top:18px;font-size:19px;font-weight:450}
.head.center p{margin-left:auto;margin-right:auto;max-width:34em}
.pill{display:inline-flex;align-items:center;gap:9px;margin-top:20px;font-size:13px;font-weight:600;color:var(--accent-d);
  background:var(--accent-soft);padding:8px 15px;border-radius:999px;border:1px solid #d4ecf1}
.pill .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 0 rgba(14,116,144,.5);animation:ping 2s infinite}
@keyframes ping{0%{box-shadow:0 0 0 0 rgba(14,116,144,.45)}70%{box-shadow:0 0 0 9px rgba(14,116,144,0)}100%{box-shadow:0 0 0 0 rgba(14,116,144,0)}}

section{padding:64px 0}
.sec-alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* feature rows */
.frow-item{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding:46px 0;border-top:1px solid var(--line-2)}
.frow-item:first-child{border-top:0}
.frow-item.flip .vis{order:-1}
@media(max-width:820px){.frow-item{grid-template-columns:1fr;gap:24px}.frow-item.flip .vis{order:0}}
.frow-item .no{font-size:13px;color:var(--accent);font-weight:800;letter-spacing:.05em}
.frow-item h3{font-size:clamp(22px,3vw,30px);font-weight:800;letter-spacing:-.02em;margin:10px 0 10px;line-height:1.12}
.frow-item p{color:var(--ink-soft);font-size:16.5px;max-width:30em}
.frow-item .vis{background:linear-gradient(135deg,var(--accent-soft),#fff);border:1px solid var(--line);
  border-radius:24px;min-height:230px;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-sm);padding:26px}

/* generic cards / grids */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media(max-width:820px){.cards{grid-template-columns:1fr}}
.card{background:var(--bg);border:1px solid var(--line);border-radius:20px;padding:26px;box-shadow:var(--shadow-sm);transition:transform .3s,box-shadow .3s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.card h3{font-size:18px;font-weight:700;letter-spacing:-.02em;margin-bottom:6px}
.card p{color:var(--ink-soft);font-size:14.5px}
.icon{width:44px;height:44px;border-radius:12px;background:var(--accent-soft);display:grid;place-items:center;margin-bottom:14px}
.icon svg{stroke:var(--accent);fill:none;stroke-width:2.1;stroke-linecap:round;stroke-linejoin:round}

/* forms */
.form{max-width:560px}
.form label{display:block;font-size:14px;color:var(--ink-soft);margin:16px 0 7px;font-weight:600}
.form input,.form select,.form textarea{width:100%;background:var(--bg-alt);border:1px solid var(--line);border-radius:12px;
  color:var(--ink);padding:12px 13px;font-size:15px;font-family:inherit}
.form textarea{min-height:120px;resize:vertical}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}

/* faq accordion */
.faq{max-width:780px;margin:0 auto;display:grid;gap:12px}
.faq details{background:var(--bg);border:1px solid var(--line);border-radius:16px;padding:4px 20px;box-shadow:var(--shadow-sm)}
.faq summary{list-style:none;cursor:pointer;font-weight:700;font-size:16px;padding:16px 0;display:flex;justify-content:space-between;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--accent);font-size:22px;font-weight:600;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{color:var(--ink-soft);font-size:15px;padding:0 0 18px}
.faq .grp{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--mut);font-weight:700;margin:20px 0 4px}

/* cta band */
.cta-band{position:relative;overflow:hidden;background:linear-gradient(135deg,#101418,#1D1D1F);color:#fff;border-radius:28px;
  padding:54px 46px;display:grid;grid-template-columns:1.3fr .7fr;gap:30px;align-items:center}
.cta-band::after{content:"";position:absolute;width:420px;height:420px;right:-80px;top:-120px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,183,214,.35),transparent 65%);filter:blur(20px)}
@media(max-width:760px){.cta-band{grid-template-columns:1fr;padding:36px 28px}}
.cta-band h2{font-size:clamp(24px,3.2vw,34px);letter-spacing:-.02em;line-height:1.1;font-weight:800;position:relative;z-index:1}
.cta-band p{color:#C4CCD6;margin-top:14px;font-size:15.5px;position:relative;z-index:1}
.cta-band .right{justify-self:end;position:relative;z-index:1}
@media(max-width:760px){.cta-band .right{justify-self:start}}

/* footer */
footer{padding:46px 0 60px;border-top:1px solid var(--line);background:var(--bg-alt);margin-top:30px}
.frow{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;align-items:center;color:var(--ink-soft);font-size:14px}
.fnav{display:flex;gap:20px;flex-wrap:wrap}
.fnav a{color:var(--ink-soft);font-weight:500}.fnav a:hover{color:var(--ink)}
.fmeta{color:var(--mut);font-size:13px;margin-top:14px}
.disc{color:var(--mut);font-size:11.5px;margin-top:12px;max-width:66em}

/* motion */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}.aurora::before,.aurora::after,.pill .dot{animation:none}html{scroll-behavior:auto}}