:root{--bg:#f5f7fb;--surface:#fff;--ink:#102038;--muted:#68778b;--primary:#175bd7;--primary2:#0d43a7;--dark:#0e1d32;--line:#e1e7ef;--soft:#edf4ff;--green:#24a36b;--radius:18px;--shadow:0 15px 40px rgba(16,32,56,.08)}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.55}a{text-decoration:none;color:inherit}.container{width:min(1160px,calc(100% - 32px));margin:auto}
.site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.nav-wrap{height:72px;display:flex;align-items:center}.brand{font-size:23px;font-weight:950;letter-spacing:-1px}.brand span{color:var(--primary)}.main-nav{margin-left:auto;display:flex;gap:24px}.main-nav a{font-size:14px;font-weight:800;color:var(--muted)}.main-nav a:hover{color:var(--primary)}.nav-toggle{display:none;margin-left:auto;border:0;background:none;font-size:25px}
.hero{padding:82px 0 76px;background:radial-gradient(circle at 85% 30%,#dceaff 0,transparent 34%),linear-gradient(135deg,#eef5ff,#fff 58%,#f6f9ff);border-bottom:1px solid var(--line)}.hero-inner{display:grid;grid-template-columns:1.45fr .7fr;gap:65px;align-items:center}.eyebrow{font-size:11px;letter-spacing:1.5px;text-transform:uppercase;color:var(--primary);font-weight:950}.hero h1{font-size:clamp(45px,6vw,72px);line-height:1;letter-spacing:-4px;margin:12px 0 20px}.hero h1 span{color:var(--primary)}.hero p{font-size:19px;color:var(--muted);max-width:680px}.hero-actions{display:flex;gap:10px;margin-top:30px}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:11px;padding:13px 19px;font-weight:900;cursor:pointer;font-size:14px}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary2)}.btn-light{background:#fff;border:1px solid var(--line)}.btn-wide{width:100%;margin-top:20px}
.live-card{background:var(--dark);color:#fff;border-radius:24px;padding:28px;box-shadow:var(--shadow)}.live-head{display:flex;justify-content:space-between;align-items:center;color:#b9c9dc;font-size:13px}.live-dot{width:9px;height:9px;background:#3bd08a;border-radius:50%;box-shadow:0 0 0 5px rgba(59,208,138,.12)}.live-price{font-size:50px;font-weight:950;letter-spacing:-3px;margin-top:20px}.live-sub{color:#9fb1c8}.live-update{font-size:11px;color:#7f93ac;margin-top:20px;border-top:1px solid #293a51;padding-top:12px}
.section{padding:70px 0}.section-soft{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.section-head{margin-bottom:25px}.section-head h2{font-size:34px;letter-spacing:-1.5px;margin:7px 0 0}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.tool-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 5px 20px rgba(16,32,56,.03);transition:.2s}.tool-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#c6d8f7}.tool-icon{font-size:29px}.tool-card h3{font-size:20px;margin:8px 0 5px}.tool-card p{font-size:14px;color:var(--muted);min-height:43px}.tool-card span{font-size:13px;font-weight:900;color:var(--primary)}.muted{opacity:.65}
.page-hero{padding:54px 0 45px;background:#fff;border-bottom:1px solid var(--line)}.page-hero h1{font-size:48px;letter-spacing:-2.5px;margin:8px 0}.page-hero p{font-size:18px;color:var(--muted);margin:0}
.calc-layout{display:grid;grid-template-columns:1.08fr .92fr;gap:22px;align-items:start}.calculator-panel,.result-panel{border-radius:var(--radius);padding:28px;border:1px solid var(--line);box-shadow:var(--shadow)}.calculator-panel{background:#fff}.result-panel{background:var(--dark);color:#fff;border-color:var(--dark);min-height:420px}.panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}.panel-head h2{font-size:22px;margin:0}.panel-head span{background:var(--soft);color:var(--primary);font-size:11px;font-weight:900;padding:7px 9px;border-radius:8px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-grid label{font-size:13px;font-weight:850}.form-grid input,.form-grid select{display:block;width:100%;margin-top:7px;padding:13px;border:1px solid var(--line);border-radius:10px;background:#fff;font:inherit;outline:none}.form-grid input:focus,.form-grid select:focus{border-color:#80a9eb;box-shadow:0 0 0 3px #eaf1ff}.api-row{margin-top:18px;background:#f3f7fc;border:1px solid var(--line);padding:13px;border-radius:10px;display:flex;justify-content:space-between;font-size:13px}.api-row strong{color:var(--primary)}.check-row{display:flex;gap:8px;align-items:center;margin-top:17px;font-size:14px}.form-note{font-size:11px;color:var(--muted);margin-top:12px}.result-placeholder{text-align:center;padding:78px 20px;color:#aebdd0}.result-placeholder>div{font-size:43px}.result-placeholder h2{color:#fff;margin:9px 0}.result-top{display:flex;justify-content:space-between;color:#83abff;font-size:11px;font-weight:950;text-transform:uppercase;letter-spacing:1px}.route{font-size:18px;color:#dbe5f1;margin-top:24px}.route b{color:#83abff;padding:0 7px}.big-result{font-size:54px;font-weight:950;line-height:1;letter-spacing:-3px;margin-top:24px}.result-label{color:#aab9cc;font-size:12px;margin-top:7px}.result-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:27px}.result-stats div{background:#1a2b44;border-radius:10px;padding:12px}.result-stats span{display:block;color:#92a5bc;font-size:10px}.result-stats strong{display:block;margin-top:4px}.result-tip{margin-top:17px;background:#182940;padding:12px;border-radius:10px;color:#c4d0df;font-size:11px}.error-box{background:#5b2630;color:#ffd9de;padding:18px;border-radius:12px;margin-top:50px}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}.two-col h2{font-size:34px;line-height:1.1;letter-spacing:-1.5px}.two-col p{color:var(--muted)}.info-box{background:var(--bg);border:1px solid var(--line);padding:24px;border-radius:15px}.info-box small{color:var(--muted)}
.price-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.price-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px}.price-card span{font-size:13px;font-weight:850;color:var(--muted)}.price-card strong{display:block;font-size:34px;letter-spacing:-1.5px;margin:12px 0}.price-card small{font-size:10px;color:var(--muted)}.attribution{margin-top:25px;background:#fff;border:1px solid var(--line);padding:18px;border-radius:12px;font-size:12px;color:var(--muted)}
.article{max-width:850px}.article h2{font-size:29px}.article p{color:var(--muted)}
.site-footer{background:var(--dark);color:#aebed0;padding:45px 0 18px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}.footer-grid strong{display:block;color:#fff;margin-bottom:10px}.footer-grid a{display:block;font-size:13px;margin:6px 0}.footer-brand{color:#fff}.footer-bottom{border-top:1px solid #2a3a50;margin-top:35px;padding-top:15px;font-size:11px}
@media(max-width:850px){.main-nav{display:none}.main-nav.open{display:flex;position:absolute;top:72px;left:0;right:0;background:#fff;padding:18px;flex-direction:column;border-bottom:1px solid var(--line)}.nav-toggle{display:block}.hero-inner,.calc-layout,.two-col{grid-template-columns:1fr}.card-grid{grid-template-columns:1fr 1fr}.price-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.container{width:calc(100% - 24px)}.hero h1{font-size:43px;letter-spacing:-2.5px}.hero-actions{flex-direction:column}.card-grid,.form-grid,.result-stats,.price-grid{grid-template-columns:1fr}.page-hero h1{font-size:38px}.section{padding:48px 0}.calculator-panel,.result-panel{padding:20px}}

/* Calcula-Dinero v4 additions */
.article{max-width:850px}.article p{color:var(--muted);line-height:1.8}
button:disabled{opacity:.65;cursor:wait}
@media(max-width:800px){.hero-inner,.calc-layout,.two-col{grid-template-columns:1fr;gap:24px}.card-grid{grid-template-columns:repeat(2,1fr)}.page-hero h1{font-size:36px}.main-nav{gap:10px;flex-wrap:wrap;justify-content:flex-end}.main-nav a{font-size:12px}}
@media(max-width:540px){.card-grid,.form-grid{grid-template-columns:1fr}.hero{padding:48px 0}.hero h1{font-size:43px;letter-spacing:-2px}.section{padding:48px 0}.calculator-panel,.result-panel{padding:20px}.main-nav{display:none}.nav-toggle{display:block}}