/* Spheras website. No web fonts, no cookies, no trackers. */
:root{
  --bg:#070d1f;--bg2:#0b1430;--panel:#0f1a3a;--line:#1f2b52;--text:#eef2fb;--text2:#b6c0da;--muted:#8792b2;
  --mint:#3fe0b0;--blue:#3f9bff;--violet:#7b4cf5;--grad:linear-gradient(120deg,#3fe0b0,#3f9bff 55%,#7b4cf5);
  --r:18px;--max:1120px;
  --ui:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 var(--ui);-webkit-font-smoothing:antialiased}
a{color:var(--blue)}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding-inline:20px}
h1,h2,h3{line-height:1.15;letter-spacing:-.02em;text-wrap:balance;margin:0}
h1{font-size:clamp(36px,6vw,64px);font-weight:750}
h2{font-size:clamp(28px,4vw,40px);font-weight:720}
h3{font-size:19px;font-weight:680}
p{margin:0}
.lead{font-size:clamp(17px,2vw,20px);color:var(--text2);max-width:640px}
.eyebrow{font-size:12.5px;font-weight:650;letter-spacing:.14em;text-transform:uppercase;color:var(--mint)}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* header */
.top{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid color-mix(in srgb,var(--line) 70%,transparent)}
.top .wrap{display:flex;align-items:center;gap:20px;height:64px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;font-weight:700;font-size:19px;letter-spacing:-.01em}
.brand img{width:30px;height:30px}
.nav{display:flex;gap:22px;margin-left:auto}
.nav a{color:var(--text2);text-decoration:none;font-size:14.5px}
.nav a:hover{color:var(--text)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:999px;font-weight:650;font-size:15px;text-decoration:none;border:0;cursor:pointer;white-space:nowrap}
.btn.primary{background:var(--grad);color:#05101f;box-shadow:0 10px 30px color-mix(in srgb,var(--blue) 35%,transparent)}
.btn.ghost{color:var(--text);border:1px solid var(--line);background:color-mix(in srgb,var(--panel) 60%,transparent)}
.btn.sm{padding:9px 16px;font-size:14px}
@media (max-width:760px){.nav{display:none}.top .btn{margin-left:auto}}

/* hero */
.hero{position:relative;overflow:hidden;padding-block:72px 40px}
.hero::before{content:"";position:absolute;inset:-30% -10% auto;height:620px;background:radial-gradient(600px 300px at 20% 30%,color-mix(in srgb,var(--mint) 22%,transparent),transparent 70%),radial-gradient(700px 340px at 85% 20%,color-mix(in srgb,var(--violet) 26%,transparent),transparent 70%);pointer-events:none}
.hero .wrap{position:relative;display:grid;gap:22px;justify-items:center;text-align:center}
.hero .ctas{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-top:6px}
.hero small{color:var(--muted);font-size:13.5px}
.shot{margin-top:36px;border-radius:16px;border:1px solid var(--line);overflow:hidden;box-shadow:0 40px 120px rgba(0,0,0,.55),0 0 0 1px rgba(255,255,255,.03);background:var(--bg2)}
.shot .bar{display:flex;gap:6px;padding:10px 12px;border-bottom:1px solid var(--line)}
.shot .bar i{width:10px;height:10px;border-radius:50%;background:#26335c}

/* trust strip */
.strip{border-block:1px solid var(--line);background:var(--bg2)}
.strip ul{list-style:none;margin:0;padding:18px 20px;display:flex;flex-wrap:wrap;gap:12px 32px;justify-content:center;max-width:var(--max);margin-inline:auto}
.strip li{display:flex;align-items:center;gap:8px;color:var(--text2);font-size:14.5px}
.strip li::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--mint)}

/* sections */
section.s{padding-block:88px}
.s-head{display:grid;gap:12px;margin-bottom:44px}
.feat{display:grid;grid-template-columns:1fr 1.25fr;gap:48px;align-items:center;padding-block:28px}
.feat.flip{grid-template-columns:1.25fr 1fr}
.feat.flip .txt{order:2}
.feat .txt{display:grid;gap:14px}
.feat ul{margin:4px 0 0;padding-left:20px;color:var(--text2);display:grid;gap:6px}
.feat .pic{border-radius:14px;overflow:hidden;border:1px solid var(--line);box-shadow:0 24px 70px rgba(0,0,0,.45)}
@media (max-width:860px){.feat,.feat.flip{grid-template-columns:1fr;gap:22px}.feat.flip .txt{order:0}}

/* privacy */
.priv{background:linear-gradient(180deg,var(--bg2),var(--bg))}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.card{padding:22px;border-radius:var(--r);border:1px solid var(--line);background:color-mix(in srgb,var(--panel) 70%,transparent);display:grid;gap:8px;align-content:start}
.card p{color:var(--text2);font-size:15px}
.card .k{font-size:13px;font-weight:650;color:var(--mint);letter-spacing:.04em}

/* pricing */
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px;max-width:820px;margin-inline:auto}
.plan{padding:28px;border-radius:22px;border:1px solid var(--line);background:var(--panel);display:grid;gap:14px;grid-template-rows:auto auto auto 1fr auto}
.plan.hi{border-color:color-mix(in srgb,var(--blue) 60%,var(--line));background:linear-gradient(165deg,color-mix(in srgb,var(--blue) 14%,var(--panel)),var(--panel) 60%)}
.plan .price{font-size:40px;font-weight:750;letter-spacing:-.02em}
.plan .price span{font-size:15px;font-weight:500;color:var(--muted)}
.plan .yr{color:var(--text2);font-size:14px}
.plan ul{margin:0;padding-left:20px;color:var(--text2);display:grid;gap:6px;font-size:15px}
.note{text-align:center;color:var(--muted);font-size:14px;margin-top:22px}

/* faq */
.faq{max-width:780px;margin-inline:auto;display:grid;gap:10px}
.faq details{border:1px solid var(--line);border-radius:14px;background:var(--panel);padding:4px 18px}
.faq summary{cursor:pointer;font-weight:620;padding:14px 0;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::after{content:"+";color:var(--muted);font-size:20px;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--text2);padding:0 0 16px}

/* cta + footer */
.cta{text-align:center;display:grid;gap:16px;justify-items:center;padding:56px 24px;border-radius:26px;border:1px solid var(--line);background:radial-gradient(500px 220px at 50% 0%,color-mix(in srgb,var(--blue) 22%,transparent),transparent 70%),var(--bg2)}
footer{border-top:1px solid var(--line);margin-top:80px}
footer .wrap{display:flex;flex-wrap:wrap;gap:14px 26px;align-items:center;padding-block:28px;color:var(--muted);font-size:14px}
footer a{color:var(--text2);text-decoration:none}
footer .sp{margin-left:auto}
@media (max-width:640px){footer .sp{margin-left:0;width:100%}}

/* legal pages */
.legal{max-width:760px;margin:0 auto;padding:56px 20px 20px}
.legal h1{font-size:clamp(30px,5vw,44px);margin-bottom:10px}
.legal h2{font-size:22px;margin:36px 0 10px}
.legal p,.legal li{color:var(--text2)}
.legal p+p{margin-top:12px}
.legal ul{padding-left:20px;display:grid;gap:6px}
.legal .upd{color:var(--muted);font-size:14px}
.legal table{width:100%;border-collapse:collapse;font-size:14.5px;margin-top:8px}
.legal td,.legal th{border-bottom:1px solid var(--line);padding:10px 8px;text-align:left;vertical-align:top;color:var(--text2)}
.legal th{color:var(--text);font-weight:620}
.tw{overflow-x:auto}