:root{
  --bg:#0a0a12;
  --bg-2:#10101d;
  --panel:#15152a;
  --panel-2:#1b1b33;
  --line:#2a2a47;
  --text:#edecf7;
  --muted:#a3a1c2;
  --brand:#6d5efc;
  --brand-2:#38e0c8;
  --accent:#ff8a5b;
  --ok:#3ddc97;
  --radius:16px;
  --wrap:1140px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(1100px 600px at 12% -8%, rgba(109,94,252,.26), transparent 60%),
    radial-gradient(900px 500px at 92% 4%, rgba(56,224,200,.14), transparent 62%),
    var(--bg);
  color:var(--text);
  font-family:"Inter",system-ui,-apple-system,Segoe UI,sans-serif;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%}
a{color:inherit}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.skip{position:absolute;left:-999px;top:0;background:var(--brand);color:#fff;padding:.6rem 1rem;z-index:50}
.skip:focus{left:8px;top:8px}

h1,h2,h3{line-height:1.12;letter-spacing:-.025em;margin:0}
h1{font-size:clamp(2.3rem,6.4vw,4.3rem);font-weight:800}
h2{font-size:clamp(1.7rem,3.6vw,2.6rem);font-weight:700}
h3{font-size:1.1rem;font-weight:650}
p{margin:0}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  background:linear-gradient(135deg,var(--brand),#8f7bff);
  color:#fff;text-decoration:none;border:0;cursor:pointer;
  font:inherit;font-weight:600;
  padding:.72rem 1.25rem;border-radius:999px;
  box-shadow:0 8px 24px -12px rgba(109,94,252,.9);
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover{transform:translateY(-1px);box-shadow:0 14px 30px -14px rgba(109,94,252,1)}
.btn:active{transform:translateY(0)}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.btn-lg{padding:.95rem 1.7rem;font-size:1.02rem}
.btn-sm{padding:.55rem 1.05rem;font-size:.9rem}
.btn-xs{padding:.4rem .8rem;font-size:.8rem;border-radius:9px;box-shadow:none}
.btn-block{width:100%}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--text);box-shadow:none}
.btn-ghost:hover{background:rgba(255,255,255,.05);box-shadow:none}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:30;backdrop-filter:blur(12px);background:rgba(10,10,18,.72);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;gap:1.5rem;min-height:66px}
.brand{display:flex;align-items:center;gap:.55rem;font-weight:800;letter-spacing:-.02em;text-decoration:none;font-size:1.1rem}
.brand-mark{width:22px;height:22px;border-radius:7px;background:linear-gradient(135deg,var(--brand),var(--brand-2));display:block}
.nav-links{display:flex;gap:1.4rem;margin-left:auto;font-size:.94rem}
.nav-links a{color:var(--muted);text-decoration:none}
.nav-links a:hover{color:var(--text)}
.nav .btn-sm{flex:none}

/* ---------- hero ---------- */
.hero{padding:clamp(3.5rem,9vw,7rem) 0 clamp(2.5rem,5vw,4rem)}
.pill{display:inline-flex;align-items:center;gap:.5rem;border:1px solid var(--line);background:rgba(255,255,255,.04);
  color:var(--muted);font-size:.84rem;font-weight:500;padding:.38rem .85rem;border-radius:999px;margin-bottom:1.4rem}
.dot{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px rgba(61,220,151,.18)}
.grad{background:linear-gradient(100deg,var(--brand-2),#b4a8ff 55%,var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.lede{max-width:46rem;margin-top:1.25rem;color:var(--muted);font-size:clamp(1rem,1.6vw,1.17rem)}
.hero-cta{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:2rem}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:1px;margin:3rem 0 0;
  background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.stats>div{background:var(--bg-2);padding:1.1rem 1.25rem}
.stats dt{color:var(--muted);font-size:.78rem;text-transform:uppercase;letter-spacing:.09em}
.stats dd{margin:.25rem 0 0;font-size:1.9rem;font-weight:800;letter-spacing:-.03em}

/* ---------- sections ---------- */
section{padding:clamp(3rem,6vw,5rem) 0}
.sec-head{max-width:40rem;margin-bottom:2.5rem}
.sec-head p{color:var(--muted);margin-top:.7rem}

/* ---------- builder ---------- */
.builder{background:linear-gradient(180deg,transparent,rgba(255,255,255,.02) 20%,transparent)}
.studio{display:grid;grid-template-columns:minmax(0,420px) minmax(0,1fr);gap:1.25rem;align-items:start}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.composer{padding:1.4rem;display:flex;flex-direction:column;gap:.9rem}
.lbl{display:block;font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:.45rem}
textarea,select{
  width:100%;background:var(--bg);color:var(--text);border:1px solid var(--line);
  border-radius:11px;padding:.75rem .85rem;font:inherit;font-size:.95rem;resize:vertical
}
textarea::placeholder{color:#6f6d93}
textarea:focus,select:focus{border-color:var(--brand)}
.chips{display:flex;flex-wrap:wrap;gap:.45rem}
.chip{background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--muted);
  font:inherit;font-size:.82rem;padding:.35rem .7rem;border-radius:999px;cursor:pointer}
.chip:hover{color:var(--text);border-color:var(--brand)}
.seg{display:flex;flex-wrap:wrap;gap:.4rem;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:.3rem}
.seg-btn{flex:1 1 auto;background:transparent;border:0;color:var(--muted);font:inherit;font-size:.86rem;font-weight:600;
  padding:.5rem .6rem;border-radius:9px;cursor:pointer;white-space:nowrap}
.seg-btn:hover{color:var(--text)}
.seg-btn[aria-pressed="true"]{background:linear-gradient(135deg,var(--brand),#8f7bff);color:#fff}
.row{display:grid;grid-template-columns:1fr 1fr;gap:.8rem}
.meter{font-size:.82rem;color:var(--muted);text-align:center}
.meter strong{color:var(--brand-2)}

.preview{display:flex;flex-direction:column;min-height:540px}
.preview-bar{display:flex;align-items:center;gap:.75rem;padding:.6rem .8rem;background:var(--panel-2);border-bottom:1px solid var(--line)}
.lights{display:flex;gap:.35rem}
.lights i{width:10px;height:10px;border-radius:50%;background:#3a3a5c;display:block}
.preview-title{font-family:"JetBrains Mono",ui-monospace,monospace;font-size:.78rem;color:var(--muted);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.preview-actions{margin-left:auto;display:flex;gap:.4rem;flex:none}
.preview-stage{position:relative;flex:1;background:#fff;min-height:480px}
.preview-stage iframe{position:absolute;inset:0;width:100%;height:100%;border:0;background:#fff}
.empty,.working{position:absolute;inset:0;display:grid;place-content:center;gap:.4rem;text-align:center;
  padding:2rem;background:var(--bg-2);color:var(--muted)}
.empty strong{color:var(--text)}
.working{background:rgba(10,10,18,.92);z-index:2}
.spin{width:26px;height:26px;border-radius:50%;border:3px solid var(--line);border-top-color:var(--brand);
  margin:0 auto;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- projects ---------- */
.projects{margin-top:2rem;border-top:1px solid var(--line);padding-top:1.6rem}
.projects-head{display:flex;align-items:center;gap:.75rem;flex-wrap:wrap}
.projects-head h3{display:flex;align-items:center;gap:.55rem;font-size:1.05rem}
.count{background:var(--panel-2);border:1px solid var(--line);border-radius:999px;padding:.05rem .55rem;font-size:.82rem;color:var(--muted)}
.tag{background:rgba(61,220,151,.14);color:var(--ok);border-radius:999px;padding:.1rem .6rem;font-size:.74rem;font-weight:600;
  text-transform:uppercase;letter-spacing:.07em}
.projects-head .btn-xs{margin-left:auto}
.projects-note{color:var(--muted);font-size:.86rem;margin-top:.5rem}
.project-list{list-style:none;margin:1.1rem 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:.8rem}
.project{background:var(--panel);border:1px solid var(--line);border-radius:13px;padding:.9rem 1rem;display:flex;flex-direction:column;gap:.5rem}
.project h4{margin:0;font-size:.98rem;font-weight:650;letter-spacing:-.01em}
.project .p-prompt{color:var(--muted);font-size:.84rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.project .p-meta{font-family:"JetBrains Mono",ui-monospace,monospace;font-size:.72rem;color:#6f6d93}
.project .p-acts{display:flex;gap:.4rem;margin-top:auto}

/* ---------- steps / cards ---------- */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem;counter-reset:s}
.steps li{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem}
.step-n{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));font-weight:700;margin-bottom:.9rem}
.steps p,.card p{color:var(--muted);margin-top:.5rem;font-size:.95rem}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1rem}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem;transition:border-color .15s,transform .15s}
.card:hover{border-color:var(--brand);transform:translateY(-2px)}

/* ---------- compare ---------- */
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}
table{width:100%;border-collapse:collapse;min-width:520px}
th,td{padding:.95rem 1.1rem;text-align:left;border-bottom:1px solid var(--line);font-size:.95rem}
thead th{background:var(--panel-2);font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
tbody th{font-weight:600}
tbody tr:last-child th,tbody tr:last-child td{border-bottom:0}
td.yes{color:var(--ok);font-weight:600}
td.no{color:var(--muted)}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:.6rem;max-width:52rem}
details{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:.95rem 1.1rem}
details[open]{border-color:var(--brand)}
summary{cursor:pointer;font-weight:600;list-style:none}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";float:right;color:var(--muted);font-weight:500}
details[open] summary::after{content:"–"}
details p{color:var(--muted);margin-top:.65rem;font-size:.95rem}

/* ---------- final + footer ---------- */
.final{text-align:center}
.final .wrap{background:linear-gradient(135deg,rgba(109,94,252,.22),rgba(56,224,200,.1));
  border:1px solid var(--line);border-radius:24px;padding:clamp(2.5rem,6vw,4rem) 1.5rem;max-width:var(--wrap)}
.final p{color:var(--muted);margin:.8rem 0 1.8rem}
.foot{border-top:1px solid var(--line);padding:2.2rem 0;color:var(--muted);font-size:.9rem}
.foot-inner{display:flex;flex-wrap:wrap;align-items:center;gap:.9rem 1.5rem}
.foot-inner p{flex:1 1 240px}
.foot nav{display:flex;gap:1.1rem;flex-wrap:wrap}
.foot a{text-decoration:none}
.foot a:hover{color:var(--text)}

@media (max-width:900px){
  .studio{grid-template-columns:1fr}
  .nav-links{display:none}
  .preview{min-height:420px}
  .preview-stage{min-height:360px}
}
@media (max-width:520px){
  .row{grid-template-columns:1fr}
  .stats dd{font-size:1.6rem}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
}