:root{--navy:#070f24;--navy2:#0f2247;--teal:#0ea5a4;--teal-light:#5eead4;--blue:#2563eb;--violet:#7c3aed;--amber:#f59e0b;--red:#dc2626;--green:#16a34a;--bg:#f5f7fb;--card:#fff;--text:#0b1220;--muted:#5b6b82;--line:#e2e8f0;--radius:20px;--radius-sm:12px;--shadow:0 8px 28px rgba(11,18,32,.07);--shadow-lg:0 28px 70px rgba(11,18,32,.16);--display:"Space Grotesk",Inter,system-ui,sans-serif;--body:Inter,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:var(--body);color:var(--text);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
h1,h2,h3,.display{font-family:var(--display);letter-spacing:-.03em}
a{color:#0f766e}button,input,select,textarea{font:inherit}button{cursor:pointer}
:focus-visible{outline:3px solid #99f6e4;outline-offset:2px;border-radius:8px}
#scrollProgress{position:fixed;top:0;left:0;height:3px;background:linear-gradient(90deg,#0ea5a4,#2563eb,#7c3aed);width:0;z-index:100}
/* Topbar */
.topbar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);backdrop-filter:blur(18px) saturate(1.4);-webkit-backdrop-filter:blur(18px) saturate(1.4);border-bottom:1px solid rgba(226,232,240,.9)}
.topbar-inner{max-width:1220px;margin:0 auto;padding:13px 24px;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.logo{font-family:var(--display);font-weight:700;font-size:22px;letter-spacing:-.03em;color:var(--navy);text-decoration:none;display:flex;align-items:center;gap:9px}
.logo-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,#0ea5a4,#2563eb,#7c3aed);color:#fff;display:grid;place-items:center;font-size:17px;font-weight:700;box-shadow:0 8px 20px rgba(37,99,235,.35)}
.logo span{color:var(--teal)}
.nav{margin-left:auto;display:flex;gap:18px;flex-wrap:wrap;align-items:center}
.nav a{color:var(--muted);text-decoration:none;font-weight:600;font-size:14px}.nav a:hover{color:var(--navy)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:999px;padding:12px 22px;font-weight:700;font-size:14px;text-decoration:none;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,filter .18s ease;will-change:transform}
.btn:hover{transform:translateY(-2px);filter:brightness(1.03)}.btn:active{transform:translateY(0) scale(.99)}
.btn-primary{background:linear-gradient(135deg,#0ea5a4,#2563eb);color:#fff;box-shadow:0 12px 28px rgba(37,99,235,.30)}
.btn-primary:hover{box-shadow:0 18px 36px rgba(37,99,235,.38)}
.btn-dark{background:var(--navy);color:#fff}.btn-outline{background:#fff;color:var(--navy);border:1px solid var(--line);box-shadow:0 2px 10px rgba(11,18,32,.05)}
.btn-small{padding:8px 15px;font-size:13px}.btn-danger{background:#fff;color:var(--red);border:1px solid #fecaca}
.wrap{max-width:1220px;margin:0 auto;padding:0 24px 72px}
/* Hero */
.hero{position:relative;overflow:hidden;background:radial-gradient(1000px 520px at 88% 0%,rgba(124,58,237,.35),transparent 60%),radial-gradient(900px 520px at 8% 100%,rgba(14,165,164,.30),transparent 60%),linear-gradient(180deg,#050d20,#0a1930 55%,#12294f);color:#fff;padding:72px 0 84px}
.hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(ellipse at 70% 20%,black 30%,transparent 75%);pointer-events:none}
.hero-inner{max-width:1220px;margin:0 auto;padding:0 24px;display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;position:relative;z-index:2}
.hero h1{font-size:60px;line-height:.98;margin:0 0 18px;font-weight:700}
.hero h1 .grad{background:linear-gradient(90deg,#5eead4,#60a5fa,#c4b5fd);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:#cbd5e1;font-size:18px;margin:0 0 24px;max-width:600px}
.pill{display:inline-flex;gap:8px;align-items:center;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);color:#ccfbf1;border-radius:999px;padding:7px 13px;font-size:13px;font-weight:700;margin-bottom:18px;backdrop-filter:blur(8px)}
.hero-stats{display:flex;gap:24px;margin-top:28px;flex-wrap:wrap}.hero-stats b{font-size:22px;display:block;font-family:var(--display)}.hero-stats span{color:#94a3b8;font-size:13px}
.scene3d{perspective:1200px;min-height:520px;position:relative}
.scene3d-inner{position:absolute;inset:0;transform-style:preserve-3d;transition:transform .25s ease-out}
.float-card{position:absolute;background:rgba(255,255,255,.97);color:var(--text);border-radius:20px;box-shadow:0 28px 60px rgba(0,0,0,.38);padding:19px 21px;transform-style:preserve-3d;animation:floaty 6s ease-in-out infinite;border:1px solid rgba(255,255,255,.6)}
.float-card:nth-child(2){animation-delay:1.2s}.float-card:nth-child(3){animation-delay:2.4s}
@keyframes floaty{0%,100%{transform:translateY(0) rotateX(4deg) rotateY(-6deg)}50%{transform:translateY(-14px) rotateX(6deg) rotateY(-4deg)}}
.card-invoice{top:0;left:0;width:275px;z-index:1}.card-contract{top:32%;right:0;width:260px;z-index:2}.card-flag{bottom:0;left:10%;width:295px;z-index:3;background:linear-gradient(135deg,#fef2f2,#fff);border:1px solid #fecaca}
.float-card .label{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:800}
.float-card .big{font-size:27px;font-weight:700;letter-spacing:-.02em;font-family:var(--display)}.float-card .sub{font-size:13px;color:var(--muted)}
.flag-amt{color:var(--red)}.ok-amt{color:var(--green)}
.orb{position:absolute;border-radius:50%;filter:blur(2px);opacity:.55;animation:orbmove 10s ease-in-out infinite alternate}
@keyframes orbmove{from{transform:translateY(0)}to{transform:translateY(-24px)}}
/* Sections / cards */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease}
.card.hoverable:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.card h2,.card h3{margin-top:0}.muted{color:var(--muted);font-size:14px}.small{font-size:13px}
.section{margin:44px 0}.section h2{font-size:34px;margin:0 0 8px}.section .lead{font-size:17px;color:var(--muted);max-width:720px}
.reveal{opacity:0;transform:translateY(20px);transition:opacity .65s ease,transform .65s ease}.reveal.visible{opacity:1;transform:none}
.feature-icon{width:50px;height:50px;border-radius:15px;display:grid;place-items:center;font-size:22px;margin-bottom:12px;background:linear-gradient(135deg,#ecfeff,#dbeafe);border:1px solid #e0f2fe}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.step-num{width:36px;height:36px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;font-weight:700;margin-bottom:10px}
.tour{border-radius:24px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-lg);background:#fff}
.tour-bar{background:#0a1930;color:#fff;padding:12px 18px;display:flex;gap:8px;align-items:center;font-size:13px}.tour-bar i{width:11px;height:11px;border-radius:50%;background:#f87171;display:inline-block}.tour-bar i:nth-child(2){background:#fbbf24}.tour-bar i:nth-child(3){background:#34d399}
.tour-body{padding:22px;display:grid;grid-template-columns:1fr 1fr;gap:18px}
.mini-kpi{background:#f8fafc;border:1px solid var(--line);border-radius:14px;padding:14px}.mini-kpi b{font-size:22px;display:block;font-family:var(--display)}
.faq details{border:1px solid var(--line);border-radius:14px;padding:16px 18px;background:#fff;margin-bottom:10px}.faq summary{font-weight:700;cursor:pointer}.faq p{color:var(--muted)}
.price-toggle{display:inline-flex;background:#eef2f7;border-radius:999px;padding:4px;gap:4px}.price-toggle button{border:0;background:transparent;border-radius:999px;padding:9px 18px;font-weight:700}.price-toggle button.active{background:var(--navy);color:#fff;box-shadow:0 4px 12px rgba(11,18,32,.2)}
/* App */
.kpi{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.kpi .card{padding:20px;position:relative;overflow:hidden;animation:fadeUp .45s ease both}.kpi .card:nth-child(2){animation-delay:.05s}.kpi .card:nth-child(3){animation-delay:.1s}.kpi .card:nth-child(4){animation-delay:.15s}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.kpi .card:after{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,#0ea5a4,#2563eb)}
.kpi b{font-size:30px;display:block;letter-spacing:-.02em;font-family:var(--display)}.kpi span{color:var(--muted);font-size:13px}
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin:20px 0;background:#eef2f7;border-radius:999px;padding:5px;width:fit-content;max-width:100%}
.tab{border:0;background:transparent;border-radius:999px;padding:10px 18px;font-weight:700;color:var(--muted)}
.tab.active{background:var(--navy);color:#fff;box-shadow:0 6px 16px rgba(11,18,32,.22)}
section[data-tab]{animation:fadeUp .35s ease both}
form label{display:block;font-weight:700;font-size:13px;margin:12px 0 5px}
input,select,textarea{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:12px;background:#fff;transition:border-color .15s,box-shadow .15s}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 4px rgba(14,165,164,.15)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.form-row3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.search{max-width:320px}
table{width:100%;border-collapse:collapse;font-size:14px}th{text-align:left;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.05em;padding:11px 8px;border-bottom:1px solid var(--line)}
td{padding:11px 8px;border-bottom:1px solid #eef2f6;vertical-align:top}.table-wrap{overflow-x:auto}
.badge{display:inline-block;border-radius:999px;padding:4px 10px;font-size:12px;font-weight:800}
.badge-flag{background:#fee2e2;color:#991b1b}.badge-ok{background:#dcfce7;color:#166534}.badge-warn{background:#fef3c7;color:#92400e}.badge-grey{background:#eef2f6;color:#475569}
.empty{border:1px dashed #cbd5e1;border-radius:14px;padding:30px;text-align:center;color:var(--muted)}
.empty b{color:var(--text);display:block;font-size:17px;margin-bottom:6px}
.hidden{display:none!important}
.footer{color:var(--muted);font-size:13px;text-align:center;padding:32px 0}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;background:#f1f5f9;border:1px solid var(--line);border-radius:12px;padding:13px;white-space:pre-wrap;word-break:break-word}
.dispute{border:1px solid var(--line);border-radius:16px;padding:18px;margin:14px 0;background:#fff;box-shadow:var(--shadow)}
.notice{background:#fff7ed;border:1px solid #fed7aa;border-radius:12px;padding:14px 16px;font-size:14px}
.progress{height:10px;background:#eef2f7;border-radius:999px;overflow:hidden}.progress i{display:block;height:100%;background:linear-gradient(90deg,#0ea5a4,#2563eb);border-radius:999px;transition:width .5s ease}
.chip{border:1px solid var(--line);background:#fff;border-radius:999px;padding:7px 14px;font-weight:700;font-size:13px}.chip.active{background:var(--navy);color:#fff;border-color:var(--navy)}
#toasts{position:fixed;right:20px;bottom:20px;z-index:200;display:flex;flex-direction:column;gap:10px;max-width:min(360px,90vw)}
.toast{background:var(--navy);color:#fff;border-radius:14px;padding:14px 16px;box-shadow:var(--shadow-lg);animation:toastIn .3s ease both;font-size:14px}
.toast.error{background:#991b1b}
@keyframes toastIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.skeleton{height:18px;border-radius:8px;background:linear-gradient(90deg,#eef2f7,#e2e8f0,#eef2f7);background-size:200% 100%;animation:shimmer 1.4s infinite}
@keyframes shimmer{from{background-position:200% 0}to{background-position:-200% 0}}
@media(max-width:900px){.hero-inner,.grid3,.grid2,.kpi,.form-row,.form-row3,.steps,.tour-body{grid-template-columns:1fr}.hero h1{font-size:40px}.scene3d{min-height:380px}.nav{margin-left:0}.tabs{width:100%}}
@media(prefers-reduced-motion:reduce){.float-card,.orb,.reveal,.card,.btn{animation:none!important;transition:none!important}}

/* ---- Modern v4: dark mode, sidebar shell, bento, command palette ---- */
[data-theme="dark"]{--bg:#070d1a;--card:#0f172a;--text:#f1f5f9;--muted:#94a3b8;--line:#1e293b;--shadow:0 8px 28px rgba(0,0,0,.35);--shadow-lg:0 28px 70px rgba(0,0,0,.5);--navy:#0f172a}
[data-theme="dark"] body{background:var(--bg);color:var(--text)}
[data-theme="dark"] .topbar{background:rgba(15,23,42,.85);border-bottom-color:#1e293b}
[data-theme="dark"] .logo{color:#f1f5f9}
[data-theme="dark"] .btn-outline{background:#0f172a;color:#f1f5f9;border-color:#334155}
[data-theme="dark"] .btn-dark{background:#e2e8f0;color:#0f172a}
[data-theme="dark"] .btn-danger{background:#1e293b;color:#fca5a5;border-color:#7f1d1d}
[data-theme="dark"] input,[data-theme="dark"] select,[data-theme="dark"] textarea{background:#1e293b;color:#f1f5f9;border-color:#334155}
[data-theme="dark"] .mono{background:#1e293b;border-color:#334155;color:#e2e8f0}
[data-theme="dark"] .empty{border-color:#334155;color:#94a3b8}
[data-theme="dark"] .empty b{color:#f1f5f9}
[data-theme="dark"] .tour{background:#0f172a;border-color:#334155}
[data-theme="dark"] .tour-body{background:#0f172a}
[data-theme="dark"] .mini-kpi{background:#1e293b;border-color:#334155}
[data-theme="dark"] .price-toggle{background:#1e293b}
[data-theme="dark"] .price-toggle button{color:#cbd5e1}
[data-theme="dark"] .price-toggle button.active{background:#e2e8f0;color:#0f172a}
[data-theme="dark"] .faq details{background:#0f172a;border-color:#334155}
[data-theme="dark"] .feature-icon{background:#1e293b;border-color:#334155}
[data-theme="dark"] .dispute{background:#0f172a;border-color:#334155}
[data-theme="dark"] td{border-bottom-color:#1e293b}
[data-theme="dark"] .chip{background:#1e293b;border-color:#334155;color:#e2e8f0}
[data-theme="dark"] .chip.active{background:#e2e8f0;color:#0f172a;border-color:#e2e8f0}
[data-theme="dark"] .badge-grey{background:#334155;color:#e2e8f0}
[data-theme="dark"] .notice{background:#422006;border-color:#92400e}
[data-theme="dark"] .kpi .card{background:#0f172a}
[data-theme="dark"] .progress{background:#1e293b}
/* Sidebar app shell on desktop */
@media(min-width:1100px){
  #appView .wrap{display:grid;grid-template-columns:248px minmax(0,1fr);column-gap:20px;align-items:start}
  #appView .wrap>div:first-child{grid-column:1/-1}
  #appView .tabs{grid-column:1;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:8px;width:100%;position:sticky;top:76px;box-shadow:var(--shadow);margin:0}
  #appView .tabs .tab{text-align:left;justify-content:flex-start;width:100%;padding:12px 14px;border-radius:12px}
  #appView section[data-tab]{grid-column:2;min-width:0}
}
/* Bento features */
@media(min-width:900px){
  .bento>div:first-child{grid-column:span 2}
  .bento>div:nth-child(4){grid-column:span 2}
}
.card.hoverable:hover{border:1px solid transparent;background:linear-gradient(var(--card),var(--card)) padding-box,linear-gradient(135deg,#0ea5a4,#2563eb,#7c3aed) border-box}
/* Command palette */
.cmd-modal{position:fixed;inset:0;background:rgba(2,6,23,.55);backdrop-filter:blur(6px);z-index:300;display:grid;place-items:start center;padding:12vh 16px 16px}
.cmd-box{background:var(--card);color:var(--text);width:min(560px,92vw);border-radius:20px;box-shadow:var(--shadow-lg);padding:16px;border:1px solid var(--line)}
.cmd-item{padding:11px 12px;border-radius:10px;cursor:pointer;font-weight:600}
.cmd-item.active,.cmd-item:hover{background:#eef2f7}
[data-theme="dark"] .cmd-item.active,[data-theme="dark"] .cmd-item:hover{background:#1e293b}
.cmd-hint{font-size:12px;color:var(--muted);border:1px solid var(--line);border-radius:6px;padding:2px 6px;font-weight:700}

/* Dark-mode readability fixes: hero white cards and mint banners must not inherit white text */
.mint-card{background:#f0fdfa;border-color:#99f6e4}
[data-theme="dark"] .mint-card{background:#134e4a;border-color:#0f766e;color:#f1f5f9}
[data-theme="dark"] .mint-card .muted,[data-theme="dark"] .mint-card .small.muted{color:#a7f3d0}
[data-theme="dark"] .float-card{background:rgba(255,255,255,.97);color:#0b1220}
[data-theme="dark"] .float-card .big{color:#0b1220}
[data-theme="dark"] .float-card .sub,[data-theme="dark"] .float-card .label{color:#5b6b82}
[data-theme="dark"] .float-card .flag-amt{color:#dc2626}
[data-theme="dark"] .float-card .ok-amt{color:#16a34a}
[data-theme="dark"] .card-flag{background:linear-gradient(135deg,#fef2f2,#fff);color:#0b1220}

/* Calculator result: theme-aware, not a hardcoded light box */
.calc-result{margin-top:16px;background:#f8fafc;border:1px solid var(--line);border-radius:14px;padding:16px;font-size:15px;color:#0b1220}
.calc-result strong{color:#dc2626}
[data-theme="dark"] .calc-result{background:#1e293b;border-color:#334155;color:#f1f5f9}
[data-theme="dark"] .calc-result strong{color:#fca5a5}

/* Hero stack fix v2: no absolute overlapping cards, so no card can cover another */
.scene3d{min-height:auto;display:flex;flex-direction:column;gap:16px}
.scene3d-inner{position:static;transform:none!important}
.float-card{position:static;width:auto!important}
.card-invoice,.card-contract,.card-flag{top:auto;left:auto;right:auto;bottom:auto}