:root{--ink:#16133a;--sub:#5d5a75;--line:#e8e6f1;--brand:#6d5dfc;--brand2:#4f3ff0;--grad:linear-gradient(135deg,#8f80ff,#4f3ff0);--lav:#f1efff;--bg:#fbfbfe;--ok:#0f7a4f}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 Inter,system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit}.w{max-width:1160px;margin:0 auto;padding:0 24px}
.nav{position:sticky;top:0;z-index:20;background:rgba(251,251,254,.85);backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid transparent;transition:border-color .2s}.nav.sc{border-color:var(--line)}
.nav .w{display:flex;align-items:center;gap:28px;height:68px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;font-size:20px;letter-spacing:-.02em}.brand svg{width:32px;height:32px;border-radius:9px;box-shadow:0 6px 16px rgba(79,63,240,.28)}
.brand small{font-size:12px;font-weight:600;color:var(--brand2);background:var(--lav);border-radius:6px;padding:2px 7px;letter-spacing:0}
.nav nav{display:flex;gap:24px;margin-left:auto}.nav nav a{text-decoration:none;color:var(--sub);font-weight:500;font-size:15px}.nav nav a:hover{color:var(--ink)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:12px 20px;font:inherit;font-weight:600;font-size:15px;text-decoration:none;cursor:pointer;transition:transform .15s,box-shadow .15s;white-space:nowrap}
.btn.p{background:var(--grad);color:#fff;box-shadow:0 8px 24px rgba(109,93,252,.32)}.btn.p:hover{transform:translateY(-1px);box-shadow:0 12px 28px rgba(109,93,252,.4)}
.btn.s{background:#fff;color:var(--ink);box-shadow:0 0 0 1px var(--line),0 1px 2px rgba(16,24,40,.05)}.btn.s:hover{box-shadow:0 0 0 1px #d6d3e6,0 4px 12px rgba(16,24,40,.06)}
.hero{padding:64px 0 56px;background:radial-gradient(900px 520px at 88% -10%,#e7e2ff 0%,transparent 60%),radial-gradient(700px 400px at -10% 20%,#f3f1ff 0%,transparent 60%)}
.hero .w{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand2);background:#fff;border-radius:999px;padding:6px 12px;box-shadow:0 0 0 1px #e6e2ff}.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--brand)}
h1{font-size:clamp(38px,5.2vw,62px);line-height:1.03;letter-spacing:-.04em;margin:18px 0;font-weight:800}h1 span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:19px;color:var(--sub);max-width:540px;margin:0 0 28px}.cta{display:flex;gap:12px;flex-wrap:wrap}
.ticks{display:flex;gap:18px;flex-wrap:wrap;margin-top:22px;font-size:14px;color:var(--sub)}.ticks span::before{content:"✓";color:var(--brand);font-weight:700;margin-right:6px}
/* hero visual: the customer change page */
.phone{background:#fff;border-radius:24px;box-shadow:0 30px 60px -20px rgba(40,30,120,.28),0 0 0 1px rgba(16,24,40,.05);overflow:hidden;position:relative;max-width:460px;margin-left:auto}
.ph-top{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--line);font-size:13px;color:var(--sub)}.ph-top b{color:var(--ink);font-size:14px}
.timer{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;color:var(--brand2);background:var(--lav);border-radius:999px;padding:4px 10px}.timer::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand);animation:pulse 1.6s infinite}
@keyframes pulse{50%{opacity:.35}}
.ph-body{padding:18px}.ph-body h3{margin:0 0 2px;font-size:19px;letter-spacing:-.02em}.ph-body>p{margin:0 0 14px;color:var(--sub);font-size:14px}
.item{display:grid;grid-template-columns:64px 1fr;gap:12px;padding:12px;border-radius:14px;box-shadow:0 0 0 1px var(--line)}.item+.item{margin-top:10px}
.item .img{width:64px;height:64px;border-radius:12px;display:grid;place-items:center;font-size:30px}.item b{display:block;font-size:15px}.item small{color:var(--sub);font-size:13px}
.ctl{display:flex;gap:8px;align-items:center;margin-top:8px;flex-wrap:wrap}.step{display:inline-flex;align-items:center;border-radius:10px;box-shadow:0 0 0 1px #d9d6e6}.step button{width:32px;height:32px;border:0;background:none;font-size:17px;cursor:pointer;color:var(--ink)}.step span{min-width:20px;text-align:center;font-weight:700;font-size:14px}
.ctl select{font:inherit;font-size:13px;font-weight:600;height:32px;border:0;border-radius:10px;padding:0 30px 0 12px;box-shadow:0 0 0 1px #d9d6e6;color:var(--ink);-webkit-appearance:none;appearance:none;cursor:pointer;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%2316133a' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat right 12px center}
.sum{display:flex;justify-content:space-between;align-items:center;margin-top:14px;padding:12px 14px;border-radius:14px;background:var(--lav);font-size:14px}.sum b{font-size:17px}.sum em{font-style:normal;font-weight:700}.sum .up{color:var(--brand2)}.sum .down{color:var(--ok)}
.ph-body .btn{width:100%;margin-top:12px}
.ph-done{position:absolute;inset:0;background:rgba(255,255,255,.96);display:grid;place-items:center;text-align:center;padding:24px;opacity:0;visibility:hidden;transition:opacity .25s}.ph-done.on{opacity:1;visibility:visible}
.ph-done .ok{width:56px;height:56px;border-radius:50%;background:#d5f5ec;color:var(--ok);display:grid;place-items:center;font-size:28px;margin:0 auto 12px}.ph-done b{display:block;font-size:19px}.ph-done span{color:var(--sub);font-size:15px}
.float{display:flex;align-items:center;gap:12px;max-width:460px;margin:14px 0 0 auto;background:var(--ink);color:#cfcde0;border-radius:16px;padding:12px 16px;font-size:13px;box-shadow:0 18px 40px -12px rgba(22,19,58,.35)}.float b{display:block;font-size:14px;color:#fff}.float i{flex:none;width:32px;height:32px;border-radius:10px;background:rgba(143,128,255,.22);display:grid;place-items:center}.float i::before{content:"";width:10px;height:12px;border-left:3px solid #c9c1ff;border-right:3px solid #c9c1ff;box-sizing:border-box}
body>section{padding:88px 0}.kicker{font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--brand2)}
h2{font-size:clamp(30px,3.6vw,42px);line-height:1.12;letter-spacing:-.03em;margin:10px 0 14px;font-weight:800}.sec-lead{color:var(--sub);font-size:18px;max-width:660px;margin:0}
.center{text-align:center}.center .sec-lead{margin:0 auto}.soft{background:linear-gradient(180deg,var(--bg) 0%,#f4f2ff 30%,#f4f2ff 70%,var(--bg) 100%)}
.card{background:#fff;border-radius:20px;padding:26px;box-shadow:0 0 0 1px var(--line),0 1px 2px rgba(16,24,40,.04)}.card h3{margin:0 0 6px;font-size:18px;letter-spacing:-.01em}.card p{margin:0;color:var(--sub);font-size:15px}
.steps3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:44px;counter-reset:s;text-align:left}
.steps3 .card::before{counter-increment:s;content:counter(s);display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--grad);color:#fff;font-weight:700;margin-bottom:16px}
.feat{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:44px;text-align:left}
.feat .card svg{width:26px;height:26px;fill:none;stroke:var(--brand);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;margin-bottom:14px}.feat .card.big{grid-column:span 2;background:linear-gradient(120deg,#f1efff,#fff 70%)}
.price{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:40px;text-align:left}
.bill{display:inline-flex;gap:2px;background:#fff;border-radius:12px;padding:4px;margin-top:28px;box-shadow:0 0 0 1px var(--line)}.bill button{border:0;background:none;font:inherit;font-weight:600;font-size:14px;color:var(--sub);padding:8px 16px;border-radius:9px;cursor:pointer;display:inline-flex;align-items:center;gap:8px}.bill button.on{background:var(--ink);color:#fff}.bill em{font-style:normal;font-size:11px;font-weight:700;color:#0c5132;background:#cdfee1;border-radius:6px;padding:2px 6px}
.plan{position:relative;display:flex;flex-direction:column}.plan.pop{box-shadow:0 0 0 2px var(--brand),0 20px 40px -20px rgba(109,93,252,.45)}.plan .badge{position:absolute;top:-12px;left:24px;background:var(--grad);color:#fff;font-size:12px;font-weight:700;border-radius:999px;padding:4px 10px}
.plan h3{font-size:16px}.card.plan .amt{font-size:40px;font-weight:800;letter-spacing:-.03em;margin:8px 0 0;color:var(--ink)}.plan .amt small{font-size:15px;font-weight:500;color:var(--sub);margin-left:3px;letter-spacing:0}
.card.plan .yr{font-size:13px;color:var(--ok);font-weight:600;margin:2px 0 0;min-height:20px}.card.plan .yr:empty{visibility:hidden}
.plan .lim{color:var(--brand2);font-weight:600;margin:6px 0 18px}.plan ul{list-style:none;padding:0;margin:0 0 20px;display:grid;align-content:start;gap:8px;font-size:15px;color:var(--sub);flex:1}
.calc{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:44px;text-align:left}.calc label{display:block;margin-bottom:18px}.calc label span{display:flex;justify-content:space-between;font-size:14px;font-weight:600;margin-bottom:8px}.calc label output{color:var(--brand2)}
.calc input[type=range]{width:100%;accent-color:var(--brand)}.calc .res{background:var(--ink);color:#cfcde0;background-image:radial-gradient(500px 260px at 90% 0%,rgba(143,128,255,.45),transparent 60%)}.calc .res h3{color:#fff}
.calc .big{font-size:46px;font-weight:800;letter-spacing:-.03em;color:#fff;line-height:1.1;margin:6px 0 4px}.calc .rows{display:grid;gap:10px;margin:22px 0 0;padding:18px 0 0;border-top:1px solid rgba(255,255,255,.14);font-size:14px}.calc .rows div{display:flex;justify-content:space-between;gap:12px}.calc .rows b{color:#fff}
.gains{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:20px;text-align:left}.gains .card h3{font-size:16px}.plan li::before{content:"✓";color:var(--brand);font-weight:700;margin-right:8px}
.note{color:var(--sub);font-size:14px;margin-top:22px;text-align:center}
.faq{max-width:780px;margin:40px auto 0}.faq details{background:#fff;border-radius:16px;box-shadow:0 0 0 1px var(--line);margin-bottom:10px;padding:0 22px}
.faq summary{cursor:pointer;list-style:none;font-weight:600;padding:18px 0;display:flex;justify-content:space-between;gap:16px}.faq summary::-webkit-details-marker{display:none}.faq summary::after{content:"+";color:var(--brand);font-size:22px;line-height:1}.faq details[open] summary::after{content:"–"}.faq details p{margin:0;padding:0 0 20px;color:var(--sub)}
.end{background:var(--ink);color:#fff;border-radius:28px;padding:56px;text-align:center;background-image:radial-gradient(600px 300px at 80% 0%,rgba(143,128,255,.5),transparent 60%)}.end h2{color:#fff}.end p{color:#cfcde0;margin:0 auto 26px;max-width:540px}
body>footer{padding:40px 0 56px;color:var(--sub);font-size:14px}body>footer .w{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}body>footer a{text-decoration:none;margin-left:20px}body>footer a:hover{color:var(--ink)}body>footer .w>span:last-child{display:flex;flex-wrap:wrap;row-gap:8px}
@media(max-width:960px){.hero .w{grid-template-columns:1fr}.phone{margin:0 auto}.feat{grid-template-columns:1fr 1fr}.price{grid-template-columns:1fr 1fr}.nav nav{display:none}.nav .btn{margin-left:auto}.float{margin:14px auto 0}.calc{grid-template-columns:1fr}}
@media(max-width:620px){.w{padding:0 16px}body>section{padding:64px 0}.steps3,.feat,.price{grid-template-columns:1fr}.feat .card.big{grid-column:auto}.end{padding:40px 22px}.hero{padding-top:36px}body>footer a{margin:0 16px 0 0}.nav .btn{padding:9px 14px;font-size:14px}.brand small{display:none}.gains{grid-template-columns:1fr}.calc .big{font-size:38px}}