:root{
  --navy:#0a1428; --navy2:#0f1d38; --ink:#1a2540; --slate:#5b6b86; --mute:#8a97ad;
  --line:#e7ebf2; --bg:#fbfcfe; --card:#ffffff;
  --blue:#1f7aec; --teal:#19c6c6; --grad:linear-gradient(120deg,#1f7aec,#19c6c6);
  --shadow:0 10px 40px rgba(16,40,80,.08); --shadow2:0 20px 60px rgba(16,40,80,.12);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3,.logo{font-family:'Space Grotesk',Inter,sans-serif;letter-spacing:-.02em;line-height:1.1}
a{color:inherit;text-decoration:none}
.wrap{max-width:1100px;margin:0 auto;padding:0 24px}
.btn{display:inline-flex;align-items:center;gap:.5rem;font-weight:600;border-radius:10px;padding:.85rem 1.4rem;border:0;cursor:pointer;font-size:1rem;transition:transform .15s ease,box-shadow .15s ease}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 24px rgba(31,122,236,.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(31,122,236,.4)}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.25)}
.btn-ghost:hover{background:rgba(255,255,255,.08)}

/* nav */
nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(12px);background:rgba(10,20,40,.0);transition:background .3s,box-shadow .3s}
nav.scrolled{background:rgba(255,255,255,.85);box-shadow:0 1px 0 var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{font-weight:700;font-size:1.35rem;display:flex;align-items:center;gap:.55rem;color:#fff;transition:color .3s}
nav.scrolled .logo{color:var(--ink)}
.logo-img{height:34px;width:auto;filter:brightness(0) invert(1);transition:filter .3s}
nav.scrolled .logo-img{filter:none}
.nav-links{display:flex;gap:2rem;align-items:center}
.nav-links a{color:rgba(255,255,255,.85);font-weight:500;font-size:.95rem;transition:color .3s}
nav.scrolled .nav-links a{color:var(--slate)}
.nav-links a.cta{color:#fff;background:var(--grad);padding:.55rem 1.1rem;border-radius:9px}
nav.scrolled .nav-links a:hover{color:var(--blue)}
@media(max-width:760px){.nav-links a:not(.cta){display:none}}

/* hero */
.hero{position:relative;background:radial-gradient(1200px 600px at 70% -10%,#16315e 0%,var(--navy) 55%);color:#fff;padding:130px 0 110px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:
   radial-gradient(600px 300px at 85% 20%,rgba(25,198,198,.18),transparent 60%),
   radial-gradient(500px 300px at 10% 90%,rgba(31,122,236,.22),transparent 60%)}
.hero .wrap{position:relative}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:#7fe3e3;border:1px solid rgba(127,227,227,.3);padding:.35rem .8rem;border-radius:100px;margin-bottom:1.5rem}
.hero h1{font-size:clamp(2.4rem,5.5vw,4rem);font-weight:700;max-width:16ch}
.hero h1 .g{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero p.sub{font-size:clamp(1.05rem,2vw,1.3rem);color:#b9c6dc;max-width:54ch;margin:1.4rem 0 2.2rem}
.hero-cta{display:flex;gap:1rem;flex-wrap:wrap}
.hero-note{margin-top:1.3rem;color:#8595b0;font-size:.9rem}
.hero-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:3rem;align-items:center}
.hero-video video{width:100%;border-radius:14px;box-shadow:0 24px 70px rgba(0,0,0,.45);display:block;background:#000}
.hv-note{margin-top:.8rem;color:#8595b0;font-size:.85rem;text-align:center}
@media(max-width:880px){.hero-grid{grid-template-columns:1fr;gap:2rem}}

/* sections */
section{padding:90px 0}
.tag{font-size:.8rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--blue)}
h2{font-size:clamp(1.8rem,3.5vw,2.6rem);font-weight:700;margin:.6rem 0 .8rem}
.lead{color:var(--slate);font-size:1.12rem;max-width:60ch}
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* problem strip */
.problem{background:var(--navy2);color:#fff}
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;margin-top:2.4rem}
.pcard{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:1.6rem}
.pcard h3{font-size:1.15rem;margin-bottom:.4rem;color:#fff}
.pcard p{color:#9fb0ca;font-size:.97rem}
.problem h2{color:#fff}.problem .lead{color:#b9c6dc}
@media(max-width:760px){.pgrid{grid-template-columns:1fr}}

/* offers */
.offers-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem;margin-top:2.6rem}
.offer{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:2rem 1.7rem;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s}
.offer:hover{transform:translateY(-4px);box-shadow:var(--shadow2)}
.offer.featured{border:1.5px solid transparent;background:linear-gradient(var(--card),var(--card)) padding-box,var(--grad) border-box;position:relative}
.offer.featured .pill{position:absolute;top:-12px;left:1.7rem;background:var(--grad);color:#fff;font-size:.72rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;padding:.3rem .7rem;border-radius:100px}
.offer h3{font-size:1.25rem;margin-bottom:.5rem}
.offer .price{font-family:'Space Grotesk';font-size:1.6rem;font-weight:700;color:var(--ink);margin:.3rem 0}
.offer .price small{font-size:.9rem;color:var(--mute);font-weight:500}
.offer p{color:var(--slate);font-size:.97rem;margin:.6rem 0 1.2rem;flex:1}
.offer ul{list-style:none;margin-bottom:1.4rem}
.offer li{color:var(--slate);font-size:.93rem;padding-left:1.5rem;position:relative;margin:.4rem 0}
.offer li::before{content:"✓";position:absolute;left:0;color:var(--teal);font-weight:700}
@media(max-width:880px){.offers-grid{grid-template-columns:1fr}}

/* how / demo */
.split{display:grid;grid-template-columns:1.1fr 1fr;gap:3rem;align-items:center}
@media(max-width:820px){.split{grid-template-columns:1fr;gap:2rem}}
.steps{counter-reset:s;margin-top:1.6rem}
.step{display:flex;gap:1rem;margin:1.3rem 0}
.step .n{counter-increment:s;flex:0 0 38px;height:38px;border-radius:10px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-family:'Space Grotesk'}
.step .n::before{content:counter(s)}
.step h4{font-size:1.05rem;margin-bottom:.15rem}
.step p{color:var(--slate);font-size:.95rem}
.demo-card{background:var(--navy);border-radius:16px;padding:1.8rem;color:#fff;box-shadow:var(--shadow2);font-family:'Space Grotesk'}
.demo-card .dh{font-size:.8rem;color:#7fe3e3;letter-spacing:.05em;text-transform:uppercase;margin-bottom:1rem}
.demo-row{display:flex;justify-content:space-between;align-items:center;padding:.7rem 0;border-bottom:1px solid rgba(255,255,255,.08);font-size:.95rem}
.demo-row span:first-child{color:#b9c6dc;font-family:Inter}
.demo-row b{font-size:1.15rem}
.demo-row .bad{color:#ff8a6a}.demo-row .good{color:#5ce0b0}
.demo-foot{margin-top:1rem;color:#8595b0;font-size:.82rem;font-family:Inter}

/* case study */
.case{background:linear-gradient(120deg,#0a1428,#13294e);color:#fff;border-radius:20px;padding:3rem;display:grid;grid-template-columns:1fr 1fr;gap:2.5rem;align-items:center}
@media(max-width:820px){.case{grid-template-columns:1fr;padding:2rem}}
.case h3{font-size:1.8rem;margin-bottom:.8rem}
.case p{color:#b9c6dc}
.stats{display:flex;gap:2rem}
.stat .big{font-family:'Space Grotesk';font-size:2.4rem;font-weight:700;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat .lbl{color:#9fb0ca;font-size:.85rem}

/* about */
.about{display:grid;grid-template-columns:1fr 1.3fr;gap:3rem;align-items:center}
@media(max-width:820px){.about{grid-template-columns:1fr}}
.avatar{width:120px;height:120px;border-radius:20px;background:var(--grad);display:flex;align-items:center;justify-content:center;font-family:'Space Grotesk';font-size:2.6rem;font-weight:700;color:#fff;box-shadow:var(--shadow2)}

/* contact */
.contact{background:var(--navy);color:#fff}
.contact h2{color:#fff}.contact .lead{color:#b9c6dc}
.cgrid{display:grid;grid-template-columns:1fr 1.1fr;gap:3rem;margin-top:2.4rem}
@media(max-width:820px){.cgrid{grid-template-columns:1fr}}
.cinfo a{color:#7fe3e3}
.cinfo .row{margin:1rem 0;color:#b9c6dc}
form{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:1.8rem}
label{display:block;font-size:.85rem;color:#b9c6dc;margin:.9rem 0 .35rem}
input,textarea{width:100%;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:10px;padding:.8rem .9rem;color:#fff;font-family:inherit;font-size:.98rem}
input:focus,textarea:focus{outline:none;border-color:var(--teal)}
input::placeholder,textarea::placeholder{color:#6c7c98}
form .btn{width:100%;justify-content:center;margin-top:1.3rem}
.formmsg{margin-top:1rem;font-size:.95rem;display:none}
.formmsg.ok{display:block;color:#5ce0b0}.formmsg.err{display:block;color:#ff8a6a}

footer{background:var(--navy);color:#7c8aa6;padding:2.5rem 0;border-top:1px solid rgba(255,255,255,.08);font-size:.9rem}
.foot-in{display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem;align-items:center}

/* service / content pages */
.prose{max-width:760px;margin:0 auto}
.prose h1{font-size:clamp(2rem,4.5vw,3rem);font-weight:700;margin:0 0 1rem}
.prose h2{font-size:clamp(1.4rem,3vw,2rem);margin:2.4rem 0 .8rem}
.prose h3{font-size:1.2rem;margin:1.6rem 0 .5rem}
.prose p{color:var(--slate);font-size:1.08rem;margin:.9rem 0}
.prose ul{margin:1rem 0 1rem 1.2rem}
.prose li{color:var(--slate);margin:.5rem 0}
.prose .lead{font-size:1.2rem;color:var(--ink);margin-bottom:1.6rem}
.page-hero{background:radial-gradient(1000px 500px at 70% -10%,#16315e 0%,var(--navy) 55%);color:#fff;padding:120px 0 70px}
.page-hero .prose h1{color:#fff}
.page-hero .prose .lead{color:#b9c6dc}
.page-hero .eyebrow{margin-bottom:1.2rem}
.faq{border-top:1px solid var(--line);margin-top:2.5rem;padding-top:1rem}
.faq details{border-bottom:1px solid var(--line);padding:1rem 0}
.faq summary{font-weight:600;cursor:pointer;font-family:'Space Grotesk';color:var(--ink)}
.faq p{margin:.7rem 0 0}
.cta-band{background:var(--navy);color:#fff;text-align:center;padding:70px 24px}
.cta-band h2{color:#fff;margin-bottom:1rem}
.cta-band p{color:#b9c6dc;max-width:50ch;margin:0 auto 1.6rem}

/* AI-citable quick-answer capsule */
.answer-capsule{background:#eef4ff;border-left:4px solid var(--blue,#1f7aec);border-radius:8px;padding:1rem 1.2rem;margin:1.4rem 0 0;font-size:1.05rem;color:var(--ink,#1a2540)}
.answer-capsule strong{font-family:'Space Grotesk',sans-serif}