:root{
  --blue:#0B3D91; --blue-d:#072B68; --blue-l:#E8EEFA; --orange:#F97316; --orange-d:#C2410C;
  --ink:#0F172A; --muted:#5B6474; --line:#E2E8F0; --bg:#F4F6FB; --card:#fff; --green:#15803D; --green-l:#DCFCE7; --amber:#B45309; --amber-l:#FEF3C7; --red:#B91C1C;
  --r:16px; --tap:52px; --safe-b:env(safe-area-inset-bottom,0px);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;background:var(--bg);color:var(--ink);font-size:17px;line-height:1.4;-webkit-text-size-adjust:100%;overflow-x:hidden}
body.landing-mode{background:#fff}
img{max-width:100%}
a{color:var(--blue)}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--orange);outline-offset:2px;border-radius:8px}

.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 16px;padding-top:calc(10px + env(safe-area-inset-top,0px));background:var(--blue);color:#fff}
.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-size:20px;font-weight:700;letter-spacing:-.2px}
.brand img{border-radius:9px;background:#fff}
.brand b{color:var(--orange)}
.lang{min-width:52px;height:40px;border-radius:999px;border:2px solid rgba(255,255,255,.55);background:transparent;color:#fff;font-weight:800;letter-spacing:.5px;cursor:pointer}
.lang:hover{background:rgba(255,255,255,.12)}

main{max-width:640px;margin:0 auto;padding:16px 16px calc(110px + var(--safe-b))}
body.landing-mode main{max-width:none;padding:0 0 40px}
body.landing-mode .tabbar{display:none}

.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:20;display:grid;grid-template-columns:repeat(5,1fr);align-items:end;background:#fff;border-top:1px solid var(--line);padding:6px 4px calc(6px + var(--safe-b));box-shadow:0 -4px 20px rgba(15,23,42,.06)}
.tabbar a{display:flex;flex-direction:column;align-items:center;gap:2px;min-height:var(--tap);justify-content:center;color:var(--muted);text-decoration:none;font-size:12px;font-weight:600}
.tabbar svg{width:26px;height:26px;fill:currentColor}
.tabbar a[data-tab=docs] svg,.tabbar a[data-tab=clientes] svg,.tabbar a[data-tab=negocio] svg{fill:none}
.tabbar a.on{color:var(--blue)}
.tab-plus .plus{display:grid;place-items:center;width:58px;height:58px;margin-top:-26px;border-radius:50%;background:var(--orange);color:#fff;font-size:36px;font-weight:400;line-height:1;box-shadow:0 6px 16px rgba(249,115,22,.45);border:4px solid #fff}

h1{font-size:26px;line-height:1.2;margin:4px 0 12px;letter-spacing:-.4px}
h2{font-size:19px;margin:22px 0 10px}
.sub{color:var(--muted);margin:-6px 0 14px}
.card{background:var(--card);border-radius:var(--r);padding:16px;box-shadow:0 1px 2px rgba(15,23,42,.06),0 4px 14px rgba(15,23,42,.04);margin-bottom:12px}
.stats{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}
.stat{border-radius:var(--r);padding:16px;color:#fff;min-height:108px;display:flex;flex-direction:column;justify-content:space-between}
.stat.owed{background:linear-gradient(135deg,#C2410C,#F97316)}
.stat.paid{background:linear-gradient(135deg,#072B68,#1D5BC4)}
.stat small{font-size:14px;font-weight:600;opacity:.92}
.stat strong{font-size:27px;letter-spacing:-.5px;line-height:1.1}
.stat span{font-size:13px;opacity:.9}

.btn{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;min-height:var(--tap);padding:12px 18px;border-radius:14px;border:0;font-weight:700;font-size:18px;cursor:pointer;text-decoration:none;text-align:center}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 4px 12px rgba(249,115,22,.3)}
.btn-primary:active{background:var(--orange-d)}
.btn-blue{background:var(--blue);color:#fff}
.btn-wa{background:#1FA855;color:#fff}
.btn-ghost{background:var(--blue-l);color:var(--blue)}
.btn-line{background:#fff;color:var(--ink);border:2px solid var(--line)}
.btn-big{min-height:64px;font-size:20px}
.btn-sm{min-height:44px;font-size:15px;padding:8px 14px;width:auto}
.row{display:flex;gap:10px}
.row>*{flex:1}
.stack>*+*{margin-top:10px}
.mt{margin-top:14px}

.list{list-style:none;margin:0;padding:0}
.item{display:flex;align-items:center;gap:12px;padding:14px;background:#fff;border-radius:14px;margin-bottom:10px;text-decoration:none;color:inherit;box-shadow:0 1px 2px rgba(15,23,42,.06);min-height:72px}
.item .ic{flex:none;width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-weight:800;font-size:13px}
.ic.est{background:var(--blue-l);color:var(--blue)}
.ic.inv{background:#FFEDD5;color:var(--orange-d)}
.item .mid{flex:1;min-width:0}
.item .mid b{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.item .mid span{color:var(--muted);font-size:14px}
.item .right{text-align:right;flex:none}
.item .right b{display:block;font-size:17px}
.pill{display:inline-block;font-size:12px;font-weight:800;padding:3px 9px;border-radius:999px;text-transform:uppercase;letter-spacing:.3px}
.pill.pend{background:var(--amber-l);color:var(--amber)}
.pill.paid{background:var(--green-l);color:var(--green)}
.pill.est{background:var(--blue-l);color:var(--blue)}
.pill.conv{background:#EEF2F7;color:var(--muted)}

.seg{display:flex;background:#E7EBF3;border-radius:12px;padding:4px;margin-bottom:14px}
.seg button{flex:1;min-height:44px;border:0;background:transparent;border-radius:9px;font-weight:700;color:var(--muted);cursor:pointer;font-size:15px}
.seg button.on{background:#fff;color:var(--blue);box-shadow:0 1px 3px rgba(15,23,42,.12)}

label.f{display:block;font-weight:700;font-size:15px;margin:14px 0 6px}
.input,select.input,textarea.input{width:100%;min-height:var(--tap);padding:12px 14px;border:2px solid var(--line);border-radius:12px;background:#fff;font-size:17px}
textarea.input{min-height:96px;resize:vertical}
.input:focus{border-color:var(--blue);outline:none;box-shadow:0 0 0 3px rgba(11,61,145,.15)}
.hint{color:var(--muted);font-size:14px;margin-top:4px}

.line-item{border:2px solid var(--line);border-radius:14px;padding:12px;margin-bottom:10px;background:#fff}
.line-item .grid{display:grid;grid-template-columns:1fr 1fr auto;gap:8px;margin-top:8px;align-items:end}
.line-item .grid label{font-size:13px;font-weight:700;color:var(--muted);display:block;margin-bottom:4px}
.line-item .del{width:48px;height:52px;border-radius:12px;border:0;background:#FEE2E2;color:var(--red);font-size:22px;cursor:pointer}
.line-total{text-align:right;font-weight:700;color:var(--muted);font-size:14px;margin-top:6px}
.totals{background:var(--blue);color:#fff;border-radius:var(--r);padding:16px;margin:16px 0}
.totals div{display:flex;justify-content:space-between;padding:3px 0}
.totals .grand{font-size:24px;font-weight:800;border-top:1px solid rgba(255,255,255,.3);margin-top:6px;padding-top:10px}
.photos{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:8px}
.photos .ph{position:relative;aspect-ratio:1;border-radius:12px;overflow:hidden;background:#E5E7EB}
.photos .ph img{width:100%;height:100%;object-fit:cover}
.photos .ph button{position:absolute;top:4px;right:4px;width:32px;height:32px;border-radius:50%;border:0;background:rgba(15,23,42,.7);color:#fff;font-size:18px;cursor:pointer}
.add-photo{display:grid;place-items:center;aspect-ratio:1;border:2px dashed #94A3B8;border-radius:12px;color:var(--muted);font-weight:700;font-size:14px;cursor:pointer;text-align:center;padding:6px;background:#fff}
.add-photo input{display:none}
.sticky-save{position:sticky;bottom:calc(84px + var(--safe-b));z-index:5;padding-top:8px}

.doc-head{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}
.doc-head h1{margin:0}
.doc-total{font-size:34px;font-weight:800;color:var(--blue);letter-spacing:-.6px;margin:6px 0 2px}
.kv{display:flex;justify-content:space-between;gap:10px;padding:8px 0;border-bottom:1px solid var(--line);font-size:16px}
.kv:last-child{border-bottom:0}
.kv span:first-child{color:var(--muted)}
.pdf-lang{display:flex;align-items:center;gap:10px;margin:6px 0 10px;font-weight:700}
.pdf-lang .seg{flex:1;margin:0}
.share-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.share-grid .full{grid-column:1/-1}

.logo-box{display:flex;align-items:center;gap:14px}
.logo-prev{width:84px;height:84px;border-radius:16px;background:#E5E7EB;display:grid;place-items:center;overflow:hidden;flex:none;border:2px solid var(--line)}
.logo-prev img{width:100%;height:100%;object-fit:contain;background:#fff}
.file-btn{position:relative;overflow:hidden}
.file-btn input{position:absolute;inset:0;opacity:0;cursor:pointer}
.empty{text-align:center;color:var(--muted);padding:30px 10px}
.promo{display:flex;gap:12px;align-items:center;background:linear-gradient(135deg,#FFF7ED,#FFEDD5);border:2px solid #FED7AA;border-radius:var(--r);padding:14px;text-decoration:none;color:var(--ink);margin-top:16px}
.promo b{color:var(--orange-d)}
.demo-flag{background:var(--amber-l);color:var(--amber);font-size:13px;font-weight:700;padding:8px 12px;border-radius:10px;margin-bottom:12px}

.toast{position:fixed;left:50%;top:calc(70px + env(safe-area-inset-top,0px));transform:translateX(-50%) translateY(-16px);background:var(--ink);color:#fff;padding:12px 18px;border-radius:12px;font-weight:600;opacity:0;pointer-events:none;transition:.25s;z-index:60;max-width:90vw;text-align:center}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.sheet-bg{position:fixed;inset:0;background:rgba(15,23,42,.5);z-index:40}
.sheet{position:fixed;left:0;right:0;bottom:0;z-index:50;background:#fff;border-radius:22px 22px 0 0;padding:20px 18px calc(22px + var(--safe-b));max-height:88vh;overflow:auto;max-width:640px;margin:0 auto}
.sheet h2{margin-top:0}

/* Landing */
.hero{background:radial-gradient(120% 90% at 100% 0%,#1D5BC4 0%,var(--blue) 45%,var(--blue-d) 100%);color:#fff;padding:34px 20px 40px}
.hero-in,.sec-in{max-width:980px;margin:0 auto}
.eyebrow{display:inline-block;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);padding:6px 12px;border-radius:999px;font-size:14px;font-weight:700}
.hero h1{font-size:36px;line-height:1.08;margin:16px 0 12px;letter-spacing:-1px}
.hero h1 em{font-style:normal;color:#FDBA74}
.hero p.lead{font-size:19px;opacity:.95;margin:0 0 22px;max-width:560px}
.hero .cta{display:grid;gap:10px;max-width:420px}
.hero .btn-line{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.hero-grid{display:grid;gap:28px;align-items:center}
.phone{background:#0F172A;border-radius:34px;padding:10px;width:270px;max-width:80%;margin:0 auto;box-shadow:0 30px 60px rgba(0,0,0,.35)}
.phone-in{background:#ECE5DD;border-radius:26px;padding:14px 10px;min-height:320px;display:flex;flex-direction:column;gap:8px;font-size:14px;color:#111}
.wa-top{background:#075E54;color:#fff;margin:-14px -10px 6px;padding:12px;border-radius:26px 26px 0 0;font-weight:700;font-size:14px}
.bubble{background:#DCF8C6;align-self:flex-end;padding:8px 10px;border-radius:10px 10px 2px 10px;max-width:88%;box-shadow:0 1px 1px rgba(0,0,0,.1)}
.bubble.in{background:#fff;align-self:flex-start;border-radius:10px 10px 10px 2px}
.pdfchip{display:flex;gap:8px;align-items:center;background:#fff;border-radius:8px;padding:8px;margin-bottom:4px}
.pdfchip i{font-style:normal;background:#E53935;color:#fff;font-weight:800;font-size:11px;padding:6px 5px;border-radius:4px}
.sec{padding:36px 20px}
.sec.alt{background:var(--bg)}
.sec h2{font-size:26px;margin:0 0 18px;letter-spacing:-.4px}
.feat{display:grid;gap:12px}
.feat .card{display:flex;gap:14px;align-items:flex-start;margin:0}
.feat .n{flex:none;width:44px;height:44px;border-radius:12px;background:var(--blue-l);color:var(--blue);display:grid;place-items:center;font-size:22px}
.feat h3{margin:0 0 4px;font-size:18px}
.feat p{margin:0;color:var(--muted)}
.price{max-width:420px;margin:0 auto;border:3px solid var(--orange);border-radius:22px;padding:24px;background:#fff;text-align:center;position:relative}
.price .tag{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--orange);color:#fff;font-weight:800;font-size:13px;padding:5px 12px;border-radius:999px;white-space:nowrap}
.price .amt{font-size:50px;font-weight:800;color:var(--blue);letter-spacing:-1.5px;line-height:1}
.price .amt small{font-size:18px;color:var(--muted);font-weight:600;letter-spacing:0}
.price ul{text-align:left;padding:0;list-style:none;margin:18px 0}
.price li{padding:7px 0 7px 30px;position:relative}
.price li::before{content:"✓";position:absolute;left:0;top:6px;width:22px;height:22px;border-radius:50%;background:var(--green-l);color:var(--green);font-weight:800;display:grid;place-items:center;font-size:13px}
.compare{color:var(--muted);font-size:14px;margin-top:12px}
.foot{text-align:center;color:var(--muted);font-size:14px;padding:24px 20px}
@media (min-width:800px){
  .hero{padding:60px 24px 70px}
  .hero h1{font-size:54px}
  .hero-grid{grid-template-columns:1.2fr 1fr}
  .feat{grid-template-columns:1fr 1fr}
  main{padding-top:24px}
}

/* v2: service types */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.svc{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;min-height:78px;padding:8px 4px;border:2px solid var(--line);border-radius:14px;background:#fff;color:var(--ink);font-weight:700;font-size:13px;line-height:1.15;text-align:center;cursor:pointer}
.svc .svc-ic{font-size:26px;line-height:1}
.svc.on{border-color:var(--orange);background:#FFF4EC;color:var(--orange-d);box-shadow:0 0 0 2px rgba(249,115,22,.15)}
.pill.sample{background:#FFF4EC;color:var(--orange-d);font-size:11px;vertical-align:middle}
.sample-note{background:#FFF4EC;color:var(--orange-d);font-size:14px;font-weight:700;padding:8px 12px;border-radius:10px;margin:4px 0 10px}
.anylang{margin:12px 0 0;font-weight:700;font-size:16px;opacity:.95}
.svc-strip{display:flex;flex-wrap:wrap;gap:8px}
.svc-chip{display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 12px;font-weight:700;font-size:14px}
.svc{position:relative}
.svc-star{position:absolute;top:4px;right:7px;font-size:12px;color:var(--orange)}