/* ============================================================
   IOTA CONTROL — Sitio web oficial (versión mejorada)
   Identidad: azul industrial / navy / cyan · tipografía Inter
   ============================================================ */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;color:var(--text);background:var(--bg);font-size:15px;line-height:1.68;-webkit-font-smoothing:antialiased}
a{color:inherit}
img{max-width:100%}
:root{
  --bg:#f7f9fb;
  --surface:#ffffff;
  --surface-2:#f1f6fa;
  --ink:#0b2a43;
  --text:#3f596f;
  --muted:#6d8294;
  --line:#dce6ee;
  --navy:#071e31;
  --navy-2:#0e3654;
  --blue:#08639f;
  --blue-2:#0d81bd;
  --cyan:#25a9d6;
  --green:#0b936f;
  --amber:#b7791f;
  --shadow:0 18px 55px rgba(16,52,81,.09);
  --radius:16px;
}
.skip-link{position:absolute;left:-9999px;top:0;background:#fff;padding:10px 14px;z-index:9999}
.skip-link:focus{left:12px;top:12px;border:2px solid var(--blue)}
.shell{width:min(1180px,calc(100% - 40px));margin:auto}
.narrow{width:min(860px,100%)}

/* ---------- Utility bar ---------- */
.utility-bar{background:var(--navy);color:#9fb8c9;font-size:11px}
.utility-wrap{height:34px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.utility-wrap .left{display:flex;align-items:center;gap:8px}
.utility-wrap .right{display:flex;gap:16px;align-items:center}
.utility-wrap a{color:#c7d9e5;text-decoration:none;font-weight:600}
.utility-wrap a:hover{color:#fff}
.utility-wrap .dot{color:var(--cyan)}

/* ---------- Header ---------- */
.site-header{background:var(--navy);position:sticky;top:0;z-index:60;border-bottom:1px solid rgba(255,255,255,.08)}
.nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand img{height:44px;width:auto;display:block}
.brand .brand-name{color:#fff;font-weight:800;font-size:17px;letter-spacing:.02em;line-height:1.05}
.brand .brand-name span{display:block;font-size:9.5px;font-weight:600;letter-spacing:.22em;color:var(--cyan);text-transform:uppercase}
.main-nav{display:flex;gap:2px;align-items:center}
.main-nav a{color:#b9cddb;text-decoration:none;font-size:13.5px;font-weight:650;padding:9px 11px;border-radius:9px;transition:.15s}
.main-nav a:hover{color:#fff;background:rgba(255,255,255,.08)}
.main-nav a.active{color:#fff;background:rgba(255,255,255,.12)}
.main-nav .nav-cta{background:var(--blue-2);color:#fff!important;padding-inline:16px;margin-left:8px}
.main-nav .nav-cta:hover{background:var(--cyan)}
.nav-toggle{display:none;border:0;background:none;color:#fff;font-size:26px;cursor:pointer;padding:6px 10px}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;border:1px solid #c9d8e2;background:#fff;border-radius:10px;text-decoration:none;font-size:13.5px;font-weight:750;color:#173a56;cursor:pointer;transition:.15s;font-family:inherit}
.btn:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(16,52,81,.12)}
.btn-primary{background:var(--blue);color:#fff;border-color:var(--blue)}
.btn-primary:hover{background:#0a4e7d;border-color:#0a4e7d}
.btn-cyan{background:var(--blue-2);color:#fff;border-color:var(--blue-2)}
.btn-cyan:hover{background:#0a6ea2}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn-ghost-light:hover{background:rgba(255,255,255,.1);border-color:#fff}
.btn-lg{min-height:52px;padding:0 26px;font-size:14.5px}
.btn-block{width:100%}

/* ---------- Hero (home) ---------- */
.home-hero{background:radial-gradient(1100px 520px at 85% -10%,#123f63 0%,var(--navy) 55%),var(--navy);color:#fff;padding:84px 0 76px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.eyebrow{font-size:10.5px;line-height:1.3;text-transform:uppercase;letter-spacing:.16em;font-weight:850;color:var(--cyan)}
.home-hero h1{font-size:clamp(36px,4.4vw,56px);line-height:1.05;letter-spacing:-.035em;margin:16px 0 18px;color:#fff}
.home-hero h1 em{font-style:normal;color:var(--cyan)}
.lead{font-size:17px;line-height:1.7;color:#c3d6e3;max-width:640px;margin:0}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.hero-proof{display:flex;gap:8px;flex-wrap:wrap;margin-top:26px}
.hero-proof span{font-size:10.5px;font-weight:750;color:#cfe0eb;border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);border-radius:999px;padding:7px 12px}
.hero-slider{position:relative;background:#fff;border:1px solid #d8e5ed;border-radius:18px;overflow:hidden;box-shadow:0 30px 70px rgba(0,0,0,.4)}
.hero-slider .slider-track{display:flex;scroll-behavior:smooth;transition:transform .5s ease}
.slider-slide{position:relative;min-width:100%;display:block;transition:opacity .35s ease}
.slider-slide img{display:block;width:100%;height:440px;object-fit:cover;object-position:center}
@media (max-width:720px){.slider-slide img{height:300px}}
.slider-slide .shot-caption{position:absolute;left:0;right:0;bottom:0;display:flex;justify-content:space-between;align-items:flex-end;gap:12px;padding:26px 16px 14px;font-size:12px;color:#e8f1f8;background:linear-gradient(180deg,rgba(7,30,49,0) 0%,rgba(7,30,49,.82) 100%);border-radius:0 0 18px 18px}
.slider-slide .shot-caption b{color:#fff;font-size:13.5px}
.slider-slide .shot-caption span{text-align:right;color:#cfe0eb}
.slider-arrow{position:absolute;top:46%;transform:translateY(-50%);z-index:5;width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.35);background:rgba(7,30,49,.55);color:#fff;font-size:22px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s}
.slider-arrow:hover{background:rgba(7,30,49,.85)}
.slider-arrow.prev{left:10px}
.slider-arrow.next{right:10px}
.slider-dots{position:absolute;bottom:16px;left:0;right:0;display:flex;justify-content:center;gap:7px;z-index:5}
.slider-dots button{width:9px;height:9px;border-radius:50%;border:0;padding:0;background:rgba(255,255,255,.55);cursor:pointer;transition:background .2s,transform .2s}
.slider-dots button.active{background:var(--cyan,#0ea5e9);transform:scale(1.25)}
@media (max-width:720px){.slider-dots{bottom:12px}}
.hero-shot{background:#fff;border:1px solid #d8e5ed;border-radius:18px;overflow:hidden;box-shadow:0 30px 70px rgba(0,0,0,.4)}
.hero-shot img{display:block;width:100%;height:auto}
.shot-caption{display:flex;justify-content:space-between;gap:12px;padding:12px 15px;font-size:10.5px;color:#6c8393;background:#fff}
.shot-caption b{color:#173b56}

/* ---------- Fact bar ---------- */
.factbar{background:var(--navy-2);color:#fff;border-top:1px solid rgba(255,255,255,.08)}
.facts{display:grid;grid-template-columns:repeat(4,1fr)}
.facts>div{padding:22px 24px;border-right:1px solid rgba(255,255,255,.1);text-align:center}
.facts>div:last-child{border:0}
.facts b{display:block;font-size:26px;letter-spacing:-.02em;color:#fff}
.facts b i{font-style:normal;color:var(--cyan);font-size:20px}
.facts span{font-size:11px;color:#9db4c4}

/* ---------- Sections ---------- */
.section{padding:78px 0}
.section-sm{padding:52px 0}
.section-white{background:var(--surface)}
.section-tint{background:var(--surface-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-navy{background:var(--navy);color:#fff}
.section-head{display:grid;grid-template-columns:1.3fr .7fr;gap:48px;align-items:end;margin-bottom:34px}
.section-head h2,.page-hero h1,.inner-hero h1{font-size:clamp(28px,3.4vw,42px);line-height:1.1;letter-spacing:-.03em;color:var(--ink);margin:8px 0 0}
.section-head p{font-size:14px;color:#60788a;line-height:1.72;margin:0}
.kicker{margin-bottom:6px;display:block}
.sec-note{font-size:12.5px;color:var(--muted);margin-top:16px}

/* ---------- Cards grid ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 6px 22px rgba(18,55,84,.04)}
.card.hover{text-decoration:none;display:block;transition:.2s}
.card.hover:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#b9d2e3}
.card .ico{width:44px;height:44px;border-radius:11px;background:#e8f2f8;color:var(--blue);display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:14px}
.card h3{font-size:17.5px;line-height:1.25;margin:0 0 8px;color:var(--ink)}
.card p{font-size:13px;color:#62798a;margin:0;line-height:1.62}
.card b.more{display:block;margin-top:14px;font-size:12px;color:var(--blue)}
.card .tag{font-size:9px;letter-spacing:.13em;font-weight:900;color:#467c9f;text-transform:uppercase}

/* ---------- Product / feature blocks ---------- */
.feature-block{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.feature-block.reverse .feature-copy{order:2}
.feature-block .feature-copy{order:1}
.feature-block h3{font-size:24px;color:var(--ink);letter-spacing:-.02em;margin:10px 0 12px}
.feature-block p{font-size:14px;color:#5b7487}
.feature-block .btn{margin-top:6px}
.feature-media{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:0 14px 40px rgba(16,52,81,.08)}
.feature-media img{display:block;width:100%}
.feature-media figcaption{padding:11px 14px;font-size:10.5px;color:#6c8393;background:#fff;border-top:1px solid var(--line)}

/* ---------- Check list ---------- */
.check-list{list-style:none;padding:0;margin:0}
.check-list li{padding:7px 0 7px 30px;position:relative;font-size:13.5px;color:#4d6679}
.check-list li:before{content:"✓";position:absolute;left:0;top:6px;width:20px;height:20px;border-radius:50%;background:#e3f2ec;color:var(--green);font-weight:900;font-size:11px;display:flex;align-items:center;justify-content:center}

/* ---------- Numbered steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;counter-reset:step}
.steps>div{background:#fff;border:1px solid var(--line);border-left:3px solid var(--cyan);border-radius:0 14px 14px 0;padding:18px;position:relative}
.steps b{display:block;color:var(--ink);font-size:14px;margin-top:10px}
.steps span{font-size:12px;color:#698094;line-height:1.55;display:block;margin-top:5px}
.steps i{font-style:normal;font-weight:900;font-size:11px;color:#fff;background:var(--blue);width:26px;height:26px;border-radius:8px;display:flex;align-items:center;justify-content:center}

/* ---------- Tables ---------- */
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:14px;background:#fff}
table.data{border-collapse:collapse;width:100%;min-width:640px}
table.data th,table.data td{text-align:left;padding:13px 14px;border-bottom:1px solid #e3ebf0;font-size:12.5px;vertical-align:top}
table.data th{background:#f0f5f8;color:#31536a;font-size:10px;text-transform:uppercase;letter-spacing:.07em}
table.data td{color:#576f81}
table.data tr:last-child td{border-bottom:0}
table.data tr.hl td{background:#eef6fb}

/* ---------- Pricing / plans ---------- */
.plans{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;align-items:stretch}
.plan{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px;display:flex;flex-direction:column;box-shadow:0 8px 25px rgba(16,52,81,.05)}
.plan .p-name{font-size:10px;letter-spacing:.14em;font-weight:900;color:#467c9f;text-transform:uppercase}
.plan .p-tags{font-size:30px;font-weight:850;color:var(--ink);letter-spacing:-.03em;margin:10px 0 2px}
.plan .p-tags small{font-size:13px;font-weight:600;color:var(--muted)}
.plan .p-desc{font-size:12px;color:#62798a;margin:10px 0 16px;flex:1}
.plan .p-cta{margin-top:14px}
.plan.featured{border:2px solid var(--blue);box-shadow:0 18px 45px rgba(8,99,159,.14);position:relative}
.plan.featured:before{content:"MÁS SOLICITADO";position:absolute;top:-10px;left:18px;background:var(--blue);color:#fff;font-size:8.5px;font-weight:900;letter-spacing:.12em;padding:4px 10px;border-radius:999px}
.plan.demo{background:var(--surface-2)}

/* ---------- FAQ ---------- */
.faq details{border:1px solid var(--line);background:#fff;border-radius:13px;margin-bottom:10px;overflow:hidden}
.faq summary{cursor:pointer;padding:16px 18px;font-weight:750;font-size:14px;color:var(--ink);list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";font-size:20px;color:var(--blue);font-weight:600;transition:.2s}
.faq details[open] summary:after{transform:rotate(45deg)}
.faq .faq-body{padding:0 18px 16px;font-size:13.5px;color:#5b7487;line-height:1.7}

/* ---------- Forms ---------- */
.form-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px;box-shadow:0 10px 30px rgba(16,52,81,.06)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-size:12px;font-weight:750;color:#31536a}
.field input,.field select,.field textarea{border:1px solid #bfd1df;border-radius:10px;padding:12px 14px;font:inherit;font-size:13.5px;background:#fff;color:var(--ink)}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid #9cc8e2;border-color:var(--blue)}
.field textarea{min-height:110px;resize:vertical}
.form-note{font-size:11.5px;color:var(--muted);margin-top:12px}
.form-msg{display:none;margin-top:14px;padding:13px 16px;border-radius:11px;font-size:13px;font-weight:650}
.form-msg.ok{display:block;background:#e3f2ec;color:#0b6b4f;border:1px solid #b7dfce}
.form-msg.err{display:block;background:#fdecea;color:#a03c34;border:1px solid #f2c4bf}
.form-status{display:none;text-align:center;padding:34px 20px}
.form-status.show{display:block}

/* ---------- Callout / info ---------- */
.callout{border:1px solid #d7e4ec;background:#f5f9fb;border-radius:14px;padding:20px}
.callout b{font-size:13px;color:#154b70}
.callout p{font-size:12.5px;color:#60798a;margin:8px 0 0}
.callout.warning{background:#fff8ed;border-color:#ead5b1}
.callout.warning b{color:#8a5a12}
.callout.cyan{background:#eaf5fb;border-color:#bfe0f0}
.callout.navy{background:var(--navy);border-color:var(--navy);color:#dbe9f2}
.callout.navy b{color:#fff}
.callout.navy p{color:#b9cfdd}

/* ---------- Architecture flow ---------- */
.arch-flow{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;align-items:stretch}
.arch-flow>div{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;text-align:center}
.arch-flow b{display:block;font-size:11.5px;color:#145e8c;letter-spacing:.03em}
.arch-flow span{display:block;font-size:10.5px;color:#6a8192;margin-top:5px}
.arch-flow i{display:flex;align-items:center;justify-content:center;color:#79a7c1;font-style:normal;font-weight:900}

/* ---------- Logo wall ---------- */
.logo-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.logo-card{min-height:120px;border:1px solid var(--line);border-radius:16px;background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px;gap:10px;text-align:center}
.logo-card img{max-width:150px;max-height:52px;object-fit:contain}
.logo-card span{font-size:10.5px;color:#6a8191;font-weight:700}
.client-wall{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.client-wall span{background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 18px;font-size:13px;font-weight:750;color:#31536a}

/* ---------- CTA band ---------- */
.cta-band{background:linear-gradient(120deg,var(--navy) 0%,#0f3c5f 60%,#0d5277 100%);color:#fff;border-radius:20px;padding:38px 40px;display:flex;align-items:center;justify-content:space-between;gap:30px;box-shadow:var(--shadow)}
.cta-band h2{font-size:26px;line-height:1.15;margin:0 0 8px;color:#fff}
.cta-band p{font-size:13.5px;color:#c3d8e5;margin:0;max-width:720px}
.cta-band .btn{white-space:nowrap}
.cta-band .btn-ghost-light{margin-left:8px}

/* ---------- Footer ---------- */
.footer{background:var(--navy);color:#9db4c4;padding:54px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.3fr .8fr .8fr .9fr;gap:36px}
.footer h4{color:#fff;font-size:12px;margin:0 0 14px;letter-spacing:.05em}
.footer a{display:block;color:#9db4c4;text-decoration:none;font-size:12px;margin:7px 0}
.footer a:hover{color:#fff}
.footer .about img{height:40px;margin-bottom:14px}
.footer .about p{font-size:12px;line-height:1.7;max-width:320px}
.footer .about .contact{margin-top:14px;font-size:12px;line-height:1.9}
.footer .about .contact a{display:inline;color:#cfe0eb;font-weight:650}
.footer-bottom{margin-top:40px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;gap:10px;font-size:11px;color:#7e97a9;flex-wrap:wrap}

/* ---------- Page hero (interior) ---------- */
.page-hero{padding:64px 0 54px;background:linear-gradient(180deg,#fff,#f2f7fa);border-bottom:1px solid var(--line)}
.page-hero h1{font-size:clamp(32px,3.8vw,48px)}
.page-hero p{max-width:820px;font-size:16px;color:#587184;line-height:1.7;margin:12px 0 0}
.breadcrumbs{font-size:10.5px;color:#8092a0;margin-bottom:12px}
.breadcrumbs a{text-decoration:none;color:#4c738d}
.breadcrumbs a:hover{text-decoration:underline}
.breadcrumbs span{color:#a0b0bc}

/* ---------- Article / handbook ---------- */
.article-layout{display:grid;grid-template-columns:240px 1fr;gap:48px;align-items:start}
.toc{position:sticky;top:100px;border:1px solid var(--line);border-radius:14px;padding:18px;background:#fff}
.toc b{font-size:11px;color:#173d59;display:block;margin-bottom:8px}
.toc a{display:block;text-decoration:none;font-size:11.5px;color:#627b8d;padding:5px 0}
.toc a:hover{color:var(--blue)}
.article-body h2{font-size:26px;line-height:1.22;color:var(--ink);margin:44px 0 12px;letter-spacing:-.02em}
.article-body h3{font-size:18px;color:var(--ink);margin:28px 0 8px}
.article-body p{font-size:14.5px;color:#4f697c;line-height:1.78}
.article-body ul,.article-body ol{color:#506b7d;font-size:14px;line-height:1.75}
.article-body li{margin:6px 0}
.article-body table.data{min-width:520px}
.article-body figure{margin:22px 0}
.article-body figure img{border:1px solid var(--line);border-radius:14px;display:block}
.article-body figure figcaption{font-size:11px;color:#6c8393;margin-top:8px}
.article-body .callout{margin:20px 0}
.article-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}
.article-meta span{font-size:10px;background:#eef5f9;border:1px solid #d9e5ed;border-radius:999px;padding:5px 10px;color:#607b8e;font-weight:650}
.chip{display:inline-block;font-size:10px;background:#eef5f9;border:1px solid #d9e5ed;border-radius:999px;padding:5px 10px;color:#607b8e;font-weight:650}

/* ---------- Resource cards ---------- */
.resource-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}
.resource-card{border:1px solid var(--line);border-radius:16px;background:#fff;padding:24px;text-decoration:none;display:block;transition:.2s;box-shadow:0 6px 22px rgba(18,55,84,.04)}
.resource-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#b9d2e3}
.resource-card .r-img{height:150px;border-radius:10px;overflow:hidden;background:#e8f0f5;margin-bottom:16px}
.resource-card .r-img img{width:100%;height:100%;object-fit:cover;object-position:top}
.resource-card h3{font-size:18px;line-height:1.25;margin:8px 0 8px;color:var(--ink)}
.resource-card p{font-size:12.5px;color:#657c8d;margin:0}
.resource-card b{font-size:12px;color:var(--blue);display:block;margin-top:14px}
.resource-card .r-tag{font-size:9px;letter-spacing:.12em;font-weight:900;color:#467c9f;text-transform:uppercase}

/* ---------- Case cards ---------- */
.case-card{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;text-decoration:none;display:flex;flex-direction:column;transition:.2s;box-shadow:0 6px 22px rgba(18,55,84,.04)}
.case-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.case-card img{width:100%;height:185px;object-fit:cover;object-position:top;display:block;background:#eef4f7}
.case-card .c-body{padding:20px;display:flex;flex-direction:column;flex:1}
.case-card .c-tag{font-size:9px;letter-spacing:.12em;font-weight:900;color:#467c9f;text-transform:uppercase}
.case-card h3{font-size:17.5px;line-height:1.22;margin:9px 0 8px;color:var(--ink)}
.case-card p{font-size:12.5px;color:#6b8191;margin:0;line-height:1.6}
.case-card b.more{display:block;margin-top:14px;font-size:12px;color:var(--blue)}

/* ---------- Metric cards ---------- */
.metric-cards{display:grid;gap:14px}
.metric-cards.four{grid-template-columns:repeat(4,1fr)}
.metric-cards.three{grid-template-columns:repeat(3,1fr)}
.metric-cards>div{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px}
.metric-cards b{display:block;font-size:24px;letter-spacing:-.02em;color:var(--blue)}
.metric-cards span{display:block;font-size:11.5px;line-height:1.5;color:#708695;margin-top:4px}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:start}
.contact-info .ci{display:flex;gap:14px;align-items:flex-start;padding:14px 0;border-bottom:1px solid var(--line)}
.contact-info .ci:last-child{border:0}
.contact-info .ci .ico{width:40px;height:40px;border-radius:10px;background:#e8f2f8;color:var(--blue);display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
.contact-info .ci b{display:block;font-size:12px;color:var(--ink)}
.contact-info .ci span,.contact-info .ci a{font-size:13.5px;color:#4d6679;text-decoration:none}
.contact-info .ci a:hover{color:var(--blue)}

/* ---------- Steps (license) ---------- */
.license-flow{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.license-flow>div{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;text-align:center}
.license-flow .lf-ico{width:42px;height:42px;margin:0 auto 10px;border-radius:11px;background:#e8f2f8;color:var(--blue);display:flex;align-items:center;justify-content:center;font-size:18px}
.license-flow b{display:block;font-size:12px;color:var(--ink)}
.license-flow span{display:block;font-size:10.5px;color:#6a8192;margin-top:5px;line-height:1.5}

/* ---------- 404 ---------- */
.error-wrap{text-align:center;padding:120px 20px}
.error-wrap .code{font-size:110px;font-weight:900;letter-spacing:-.05em;color:var(--ink);line-height:1}
.error-wrap h1{font-size:28px;color:var(--ink)}
.error-wrap p{color:#60788a;max-width:520px;margin:14px auto 26px}

/* ---------- Search overlay ---------- */
.search-toggle{background:none;border:1px solid rgba(255,255,255,.3);color:#cfe0eb;border-radius:9px;padding:8px 12px;font-size:12px;cursor:pointer;font-family:inherit;font-weight:650}
.search-toggle:hover{color:#fff;border-color:#fff}

/* ---------- Responsive ---------- */
@media(max-width:1080px){
  .main-nav a{padding:8px 7px;font-size:12.5px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .plans{grid-template-columns:repeat(2,1fr)}
  .license-flow{grid-template-columns:repeat(3,1fr)}
  .metric-cards.four{grid-template-columns:repeat(2,1fr)}
  .arch-flow{grid-template-columns:repeat(3,1fr)}
  .logo-wall{grid-template-columns:repeat(3,1fr)}
  .resource-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr}
}
@media(max-width:860px){
  .nav-toggle{display:block}
  .main-nav{display:none;position:absolute;top:76px;left:0;right:0;background:var(--navy);border-bottom:1px solid rgba(255,255,255,.12);padding:14px;flex-direction:column;align-items:stretch;gap:2px}
  .main-nav.open{display:flex}
  .main-nav a{padding:12px 14px;font-size:14px}
  .main-nav .nav-cta{margin:8px 0 0;text-align:center}
  .hero-grid,.feature-block{grid-template-columns:1fr;gap:34px}
  .feature-block.reverse .feature-copy{order:0}
  .section-head{grid-template-columns:1fr;gap:14px}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .facts{grid-template-columns:repeat(2,1fr)}
  .facts>div{border-bottom:1px solid rgba(255,255,255,.1)}
  .cta-band{flex-direction:column;align-items:flex-start}
  .article-layout{grid-template-columns:1fr}
  .toc{position:static}
  .form-grid{grid-template-columns:1fr}
  .license-flow{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:560px){
  .utility-wrap .right{display:none}
  .plans{grid-template-columns:1fr}
  .steps,.grid-4,.logo-wall,.metric-cards.four,.metric-cards.three{grid-template-columns:1fr}
  .resource-grid{grid-template-columns:1fr}
  .facts b{font-size:22px}
  .home-hero{padding:58px 0}
}

.plan .p-price{font-size:30px;font-weight:900;letter-spacing:-.02em;color:var(--blue);margin:6px 0 2px}
.plan .p-price small{font-size:12px;font-weight:700;color:#6a8192;letter-spacing:0}
.plan .p-usd{font-size:10.5px;color:#8aa0b0;font-weight:700;text-transform:uppercase;letter-spacing:.08em;margin-bottom:8px}
.plan.demo .p-price{color:#1c7a3d}

/* ---------- Herramientas de ingeniería ---------- */
.tool-hero{background:radial-gradient(900px 460px at 80% -10%,#123f63 0%,var(--navy) 55%),var(--navy);color:#fff;padding:64px 0 56px}
.tool-hero h1{font-size:clamp(28px,3.4vw,42px);line-height:1.1;letter-spacing:-.03em;color:#fff;margin:10px 0 14px}
.tool-hero p{color:#c3d6e3;font-size:15px;line-height:1.7;max-width:760px;margin:0}
.tool-shell{max-width:1080px;margin:0 auto;padding:34px 18px 64px}
.tool-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:0 8px 26px rgba(18,55,84,.05)}
.tool-card+.tool-card{margin-top:22px}
.tool-card h2{font-size:21px;color:var(--ink);margin:0 0 6px;letter-spacing:-.02em}
.tool-card h2 .step-no{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:50%;background:var(--blue);color:#fff;font-size:13px;margin-right:10px;vertical-align:2px}
.tool-card .hint{font-size:12px;color:#6a8192;margin:0 0 16px}
.tool-controls{display:flex;flex-wrap:wrap;gap:12px 20px;align-items:flex-end;margin-bottom:16px}
.tool-controls label{display:flex;flex-direction:column;gap:5px;font-size:11px;font-weight:800;color:#4a6476;text-transform:uppercase;letter-spacing:.06em}
.tool-controls input[type=text],.tool-controls input[type=number],.tool-controls select{
  min-height:40px;padding:8px 12px;border:1px solid #c9d8e2;border-radius:9px;font-size:14px;font-family:inherit;color:var(--ink);background:#fff;min-width:170px}
.tool-controls input:focus,.tool-controls select:focus{outline:2px solid #9cc8e4;border-color:var(--blue)}
.tool-table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px}
.tool-table{width:100%;border-collapse:collapse;font-size:13px;min-width:640px}
.tool-table th{background:#eef4f9;color:#24455c;font-size:11px;text-transform:uppercase;letter-spacing:.06em;padding:10px 12px;text-align:left;border-bottom:2px solid #d7e3ec;position:sticky;top:0}
.tool-table td{padding:9px 12px;border-bottom:1px solid #e6eef4;color:#314b5f}
.tool-table tr:nth-child(even) td{background:#fafcfe}
.tool-table tr:hover td{background:#eef6fb}
.tool-table tr.selected td{background:#dceef9;font-weight:700}
.tool-table tr.empty-row td{text-align:center;color:#8aa0b0;padding:26px}
.tool-result{background:#f2f8fc;border:1px solid #cfe3f0;border-radius:12px;padding:18px 20px;margin-top:16px;font-size:14px;line-height:1.7;color:#27475e}
.tool-result b{color:var(--blue)}
.tool-result .big{font-size:19px;font-weight:800;color:var(--ink)}
.badge{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:999px;font-size:11px;font-weight:800}
.badge.ok{background:#e2f5e8;color:#1c7a3d}
.badge.err{background:#fde8e8;color:#b02a2a}
.badge.warn{background:#fff3d9;color:#96670a}
.verif-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:14px}
.verif-item{border:1px solid var(--line);border-radius:12px;padding:14px}
.verif-item h4{margin:0 0 6px;font-size:13px;color:var(--ink)}
.verif-item p{margin:0;font-size:12px;color:#5f7789;line-height:1.55}
.bom-table td:first-child{font-weight:700;color:#24455c}
.unit-toggle{display:inline-flex;border:1px solid #c9d8e2;border-radius:10px;overflow:hidden}
.unit-toggle button{background:#fff;border:0;padding:9px 16px;font-size:13px;font-weight:750;cursor:pointer;color:#4a6476;font-family:inherit}
.unit-toggle button.active{background:var(--blue);color:#fff}
.unit-toggle button:hover:not(.active){background:#eef4f9}
@media(max-width:860px){.verif-grid{grid-template-columns:1fr}}

/* ---------- Modo embebido (biblioteca tecnica: iframes ?embed=1) ---------- */
html.embed-mode .utility-bar, html.embed-mode .site-header, html.embed-mode .tool-hero, html.embed-mode .footer, html.embed-mode .breadcrumbs { display:none !important; }
html.embed-mode .tool-shell { padding: 6px 6px 6px; }
html.embed-mode body { background: var(--surface, #ffffff); }
html.embed-mode .tool-card { border: 1px solid #dfe8ee; box-shadow: 0 1px 3px rgba(7,30,49,.06); }

/* ---------- Banner soporte 3 anos ---------- */
.soporte-banner{background:linear-gradient(90deg,#0b5c8a 0%,#0d81bd 55%,#0b5c8a 100%);color:#fff;padding:10px 0;border-bottom:3px solid var(--cyan,#0ea5e9)}
.soporte-banner .shell{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.soporte-badge{background:var(--cyan,#0ea5e9);color:#fff;font-weight:900;font-size:11.5px;letter-spacing:.06em;padding:5px 10px;border-radius:999px;white-space:nowrap;text-transform:uppercase}
.soporte-banner p{margin:0;font-size:13.5px;font-weight:600;flex:1;min-width:260px}
.soporte-banner p b{color:#fff}
.soporte-banner .soporte-link{color:#fff;font-size:13px;font-weight:800;text-decoration:underline;white-space:nowrap}
.soporte-banner .soporte-link:hover{color:var(--cyan,#0ea5e9)}
html.embed-mode .soporte-banner{display:none}
@media (max-width:640px){.soporte-banner p{font-size:12.5px}}

.btn-gold{background:var(--cyan,#0ea5e9);color:#fff;border-color:var(--cyan,#0ea5e9);font-weight:800}
.btn-gold:hover{background:#0a6ea2;border-color:#0a6ea2;color:#fff}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:#fff}