:root{--bg:#070b16;--panel:#0f1629;--line:#1f2a47;--ink:#e8edf9;--mute:#8fa0c4;--blue:#3b5bff;--ice:#9fd4ff;color-scheme:dark}
*{box-sizing:border-box}html{font-size:100%}
@media(min-width:1920px){html{font-size:112.5%}}@media(min-width:2560px){html{font-size:150%}}@media(min-width:3500px){html{font-size:200%}}
body{margin:0;background:var(--bg);color:var(--ink);font:400 1rem/1.6 'IBM Plex Sans',system-ui,sans-serif}
h1,h2,h3,.logo{font-family:Sora,sans-serif;letter-spacing:-.02em}
a{color:inherit}.mono,.term{font-family:'IBM Plex Mono',monospace}
.nav{display:flex;justify-content:space-between;align-items:center;padding:1.1rem clamp(1rem,5vw,6rem);border-bottom:1px solid var(--line);position:sticky;top:0;background:#070b16ee;backdrop-filter:blur(10px);z-index:5}
.nav nav{display:flex;gap:1.6rem;color:var(--mute)}.nav nav a{text-decoration:none}.nav nav a:hover{color:var(--ink)}
.logo{font-weight:800;font-size:1.4rem;text-decoration:none}
.wrap{max-width:92rem;margin:0 auto;padding:5rem clamp(1rem,5vw,6rem)}.narrow{max-width:46rem}
.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:4rem;align-items:center;max-width:92rem;margin:0 auto;padding:7rem clamp(1rem,5vw,6rem) 4rem}
h1{font-size:clamp(2.4rem,5.4vw,5rem);line-height:1.04;margin:0 0 1.4rem;font-weight:800}
h2{font-size:clamp(1.7rem,3vw,2.6rem);margin:0 0 2rem}.lead{font-size:1.2rem;color:var(--mute);max-width:34rem}
.btn{display:inline-block;background:var(--blue);color:#fff;border:0;border-radius:.6rem;padding:.85rem 1.5rem;font:500 1rem 'IBM Plex Sans';text-decoration:none;cursor:pointer;transition:transform .15s,background .15s}
.btn:hover{background:#5873ff;transform:translateY(-1px)}.btn.sm{padding:.4rem .8rem;font-size:.85rem}
.term{background:var(--panel);border:1px solid var(--line);border-radius:1rem;padding:1.6rem;min-height:19rem;font-size:.9rem;color:var(--ice);box-shadow:0 0 0 1px #3b5bff22,0 30px 80px -30px #3b5bff66;overflow:auto;margin:0;white-space:pre-wrap}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));gap:1.4rem}
.plan{background:var(--panel);border:1px solid var(--line);border-radius:1rem;padding:1.8rem;display:flex;flex-direction:column;gap:.6rem}
.plan.hot{border-color:var(--blue);box-shadow:0 0 0 1px var(--blue),0 20px 60px -25px var(--blue)}
.plan h3{margin:0;font-size:1.3rem}.price{font:800 2.4rem Sora;margin:.2rem 0}.price small{font:400 1rem 'IBM Plex Sans';color:var(--mute)}
.plan ul{list-style:none;padding:0;margin:0 0 1rem;color:var(--mute)}.plan li{padding:.35rem 0;border-bottom:1px solid var(--line)}
.plan .btn{margin-top:auto;text-align:center}
.pay p{color:var(--mute);max-width:40rem}.chips{display:flex;flex-wrap:wrap;gap:.8rem}
.chips span{border:1px solid var(--line);background:var(--panel);border-radius:2rem;padding:.6rem 1.2rem}
.form{display:grid;gap:1.1rem}label{display:grid;gap:.35rem;color:var(--mute);font-size:.95rem}
input,select{background:var(--panel);border:1px solid var(--line);border-radius:.5rem;padding:.75rem;color:var(--ink);font:inherit}
input:focus,select:focus,.btn:focus-visible,a:focus-visible{outline:2px solid var(--ice);outline-offset:2px}
fieldset{border:1px solid var(--line);border-radius:.8rem;padding:1rem;display:grid;gap:.5rem}.r{display:flex;gap:.6rem;align-items:center;color:var(--ink)}
.err{background:#3a1220;border:1px solid #7a2340;padding:.8rem 1rem;border-radius:.5rem}
.scroll{overflow-x:auto}table{width:100%;border-collapse:collapse;margin-top:1.5rem}td,th{padding:.7rem;border-bottom:1px solid var(--line);text-align:left}
footer{text-align:center;color:var(--mute);padding:3rem 1rem;border-top:1px solid var(--line)}
@media(max-width:860px){.hero{grid-template-columns:1fr;padding-top:3rem}.nav nav{gap:1rem;font-size:.9rem}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}