:root{--bg:#080808;--bg2:#111;--card:#171717;--gold:#D4AF37;--gold-l:#F3D98B;--gold-d:#9D7925;--tx:#F5F1E8;--tx2:#A8A29E;--bd:#3a3220;--ok:#6fbf73;--err:#e07070}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:radial-gradient(1200px 600px at 50% -10%,#1a1608 0,var(--bg) 60%);color:var(--tx);font:16px/1.6 'Inter',system-ui,sans-serif}
h1,h2,h3{font-family:'Cormorant Garamond',Georgia,serif;color:var(--gold-l);font-weight:600;line-height:1.15}
h1{font-size:clamp(2.2rem,5vw,3.6rem)}h2{font-size:clamp(1.7rem,3.5vw,2.4rem)}
a{color:var(--gold);text-decoration:none}a:hover{color:var(--gold-l)}
.num{font-variant-numeric:tabular-nums}
.wrap{max-width:1140px;margin:0 auto;padding:0 16px}
.muted{color:var(--tx2)}
hr.gold{border:0;height:1px;background:linear-gradient(90deg,transparent,var(--gold-d),transparent);margin:2rem 0}

/* header */
.hdr{position:sticky;top:0;z-index:20;background:rgba(8,8,8,.92);backdrop-filter:blur(6px);border-bottom:1px solid var(--bd)}
.hdr .wrap{display:flex;align-items:center;gap:20px;min-height:64px}
.logo{font-family:'Cormorant Garamond',serif;font-size:1.4rem;color:var(--gold);font-weight:700;display:flex;gap:8px;align-items:center}
.nav{display:flex;gap:18px;margin-left:auto;align-items:center;flex-wrap:wrap}
.nav a{color:var(--tx2);font-size:.92rem}.nav a:hover{color:var(--gold-l)}
.burger{display:none;margin-left:auto;background:none;border:1px solid var(--bd);color:var(--gold);padding:6px 10px;border-radius:6px}
@media(max-width:860px){.burger{display:block}.nav{display:none;position:absolute;top:64px;left:0;right:0;background:var(--bg2);padding:16px;flex-direction:column;align-items:flex-start;border-bottom:1px solid var(--bd)}.nav.open{display:flex}}

/* buttons / forms */
.btn{display:inline-block;padding:.7rem 1.4rem;border-radius:8px;border:1px solid var(--gold);background:linear-gradient(180deg,var(--gold-l),var(--gold));color:#111;font-weight:600;cursor:pointer;font-size:.95rem}
.btn:hover{color:#000;filter:brightness(1.08)}
.btn.ghost{background:transparent;color:var(--gold)}.btn.ghost:hover{background:rgba(212,175,55,.1);color:var(--gold-l)}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.btn:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,.cell:focus-visible{outline:2px solid var(--gold-l);outline-offset:2px}
label{display:block;font-size:.85rem;color:var(--tx2);margin:.9rem 0 .25rem}
input,select,textarea{width:100%;padding:.65rem .8rem;background:var(--bg2);color:var(--tx);border:1px solid var(--bd);border-radius:8px;font:inherit}
.card{background:var(--card);border:1px solid var(--bd);border-radius:14px;padding:1.4rem;box-shadow:0 8px 30px rgba(0,0,0,.4)}
.grid{display:grid;gap:18px}.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){.g2,.g3,.g4{grid-template-columns:1fr}}
.alert{padding:.7rem 1rem;border-radius:8px;margin:.8rem 0;font-size:.92rem}
.alert.err{background:#2a1212;border:1px solid #6b2a2a;color:#f2b8b8}
.alert.ok{background:#12261a;border:1px solid #2a6b3e;color:#b8f2c8}
.alert.info{background:#1d1a0e;border:1px solid var(--gold-d);color:var(--gold-l)}
.stat{font-size:2rem;color:var(--gold);font-family:'Cormorant Garamond',serif}
.badge{display:inline-block;padding:.1rem .6rem;border:1px solid var(--gold-d);border-radius:999px;font-size:.75rem;color:var(--gold-l)}

/* sections */
section{padding:4rem 0}
.hero{padding:5rem 0 3rem;text-align:center}
.hero .tri-wrap{max-width:560px;margin:2.5rem auto 0}
.steps{counter-reset:s}.steps .card{position:relative;padding-top:2.4rem}
.steps .card:before{counter-increment:s;content:counter(s);position:absolute;top:-16px;left:18px;width:34px;height:34px;border-radius:50%;background:var(--gold);color:#111;display:grid;place-items:center;font-weight:700}
.plan.pop{border-color:var(--gold);box-shadow:0 0 0 1px var(--gold-d),0 10px 40px rgba(212,175,55,.1)}
.plan .price{font-size:2.4rem;color:var(--gold);font-family:'Cormorant Garamond',serif}
.plan ul{padding-left:1.1rem;color:var(--tx2)}
details{border-bottom:1px solid var(--bd);padding:.9rem 0}summary{cursor:pointer;color:var(--gold-l)}
footer{border-top:1px solid var(--bd);padding:2.5rem 0;color:var(--tx2);font-size:.9rem;background:var(--bg2)}

/* app shell (dashboard + admin) */
.shell{display:grid;grid-template-columns:230px 1fr;min-height:100vh}
.side{background:var(--bg2);border-right:1px solid var(--bd);padding:1.2rem}
.side a{display:block;padding:.55rem .8rem;border-radius:8px;color:var(--tx2);margin:2px 0}
.side a.on,.side a:hover{background:rgba(212,175,55,.1);color:var(--gold-l)}
.main{padding:1.6rem;min-width:0}
@media(max-width:800px){.shell{grid-template-columns:1fr}.side{border-right:0;border-bottom:1px solid var(--bd);display:flex;flex-wrap:wrap;gap:4px}}
table{width:100%;border-collapse:collapse;font-size:.9rem}th,td{padding:.55rem .6rem;border-bottom:1px solid var(--bd);text-align:left}th{color:var(--gold)}
.tblwrap{overflow-x:auto}

/* triangle */
.tri{width:100%;height:auto;display:block}
.tri-outline{fill:none;stroke:var(--gold);stroke-width:2}
.cell{cursor:pointer}
.cell-bg{fill:#121212;stroke:var(--gold-d);stroke-width:1;transition:fill .15s,stroke .15s}
.cell:hover .cell-bg,.cell:focus .cell-bg,.cell.sel .cell-bg{stroke:var(--gold-l);stroke-width:1.6}
.cell-letter{fill:var(--tx);font:600 10px Inter,sans-serif;text-anchor:middle}
.cell-value{fill:var(--gold-l);font:600 11px Inter,sans-serif;text-anchor:middle;font-variant-numeric:tabular-nums}
.cell-sum{fill:#e06a6a;font:600 11px Inter,sans-serif;text-anchor:middle}
.cell-sep{stroke:var(--gold-d);stroke-width:.6}
.tint-rose .cell-bg{fill:#3a2124}.tint-sage .cell-bg{fill:#232c1f}.tint-red .cell-bg{fill:#5a1f1f}
.tint-green .cell-bg{fill:#2f4224}.tint-sand .cell-bg{fill:#3d321a}.tint-sky .cell-bg{fill:#1c2735}
.tint-none .cell-bg{fill:#141414}
.hl .cell-value{fill:#111}.hl .cell-bg{fill:#c98a14}
.tri-panel{min-height:120px}
.ph-note{font-size:.8rem;color:var(--tx2)}
@media print{.hdr,.side,.noprint,footer{display:none!important}body{background:#fff;color:#000}.shell{display:block}.card{box-shadow:none}}