/* Agencia de SEO en Argentina — una unidad de El Cielo Digital */
:root{
  --ink:#0b1530;
  --ink-2:#13224a;
  --sky:#2f8cff;
  --sky-2:#7cc4ff;
  --mint:#20c997;
  --sun:#ffb84d;
  --text:#1c2540;
  --muted:#5b6687;
  --line:#e3e8f3;
  --bg:#ffffff;
  --bg-soft:#f4f7fc;
  --radius:18px;
  --shadow:0 10px 30px rgba(11,21,48,.08);
  --max:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Inter",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--text);background:var(--bg);line-height:1.65;font-size:17px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--sky);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{font-family:"Sora","Inter",sans-serif;color:var(--ink);line-height:1.2;letter-spacing:-.01em}
h1{font-size:clamp(2.1rem,4.6vw,3.6rem);font-weight:800}
h2{font-size:clamp(1.7rem,3.2vw,2.5rem);font-weight:700;margin-bottom:.6em}
h3{font-size:1.22rem;font-weight:700;margin-bottom:.45em}
p+p{margin-top:.9em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
section{padding:88px 0}
.soft{background:var(--bg-soft)}
.dark{background:var(--ink);color:#d7e2ff}
.dark h2,.dark h3{color:#fff}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--sky);margin-bottom:14px}
.lead{font-size:1.15rem;color:var(--muted);max-width:760px}
.dark .lead{color:#b8c6ea}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 26px;border-radius:999px;font-weight:700;font-size:1rem;transition:transform .15s,box-shadow .15s,background .15s;border:2px solid transparent;cursor:pointer}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn-primary{background:var(--sky);color:#fff;box-shadow:0 8px 22px rgba(47,140,255,.35)}
.btn-primary:hover{background:#1f78e6}
.btn-ghost{border-color:rgba(255,255,255,.4);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.08)}
.btn-outline{border-color:var(--sky);color:var(--sky)}
.btn-wa{background:#25d366;color:#06321a}

/* Header */
.topbar{background:var(--ink);color:#b8c6ea;font-size:.85rem}
.topbar .wrap{display:flex;justify-content:space-between;gap:12px;padding-top:8px;padding-bottom:8px;flex-wrap:wrap}
.topbar a{color:#fff}
header.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:10px;font-family:"Sora",sans-serif;font-weight:800;color:var(--ink);font-size:1.08rem;line-height:1.1}
.logo:hover{text-decoration:none}
.logo small{display:block;font-weight:500;font-size:.72rem;color:var(--muted);letter-spacing:.02em}
.logo-mark{width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,var(--sky),var(--sky-2));display:grid;place-items:center;flex-shrink:0}
nav.main ul{display:flex;gap:26px;list-style:none;align-items:center}
nav.main a{color:var(--text);font-weight:600;font-size:.95rem}
nav.main .btn{padding:10px 20px;color:#fff;font-size:.92rem}
.menu-toggle{display:none;background:none;border:0;font-size:1.6rem;color:var(--ink);cursor:pointer}

/* Hero */
.hero{background:radial-gradient(1200px 600px at 85% -10%,rgba(124,196,255,.35),transparent 60%),linear-gradient(160deg,var(--ink) 0%,var(--ink-2) 70%,#1b3170 100%);color:#d7e2ff;padding:96px 0 110px;position:relative;overflow:hidden}
.hero h1{color:#fff}
.hero h1 span{background:linear-gradient(90deg,var(--sky-2),#c8e6ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.hero p.lead{color:#c2d0f2;margin:22px 0 32px}
.hero .ctas{display:flex;gap:14px;flex-wrap:wrap}
.hero-badges{display:flex;gap:22px;flex-wrap:wrap;margin-top:36px;font-size:.92rem;color:#b8c6ea}
.hero-badges span::before{content:"✓ ";color:var(--mint);font-weight:800}
.serp{background:#fff;border-radius:var(--radius);padding:22px;box-shadow:0 30px 60px rgba(0,0,0,.35);color:var(--text)}
.serp-search{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:999px;padding:10px 16px;font-size:.92rem;color:var(--muted);margin-bottom:18px}
.serp-item{padding:12px 0;border-top:1px solid var(--line)}
.serp-item:first-of-type{border-top:0}
.serp-item .url{font-size:.78rem;color:#2a7d3f}
.serp-item .t{color:#1a0dab;font-weight:600;font-size:1rem}
.serp-item .d{font-size:.84rem;color:var(--muted);line-height:1.45}
.serp-item.you{background:linear-gradient(90deg,rgba(47,140,255,.08),transparent);border-radius:12px;padding:12px;margin:0 -12px;border-top:0}
.serp-item.you .tag{display:inline-block;background:var(--mint);color:#04352a;font-size:.7rem;font-weight:800;padding:2px 8px;border-radius:999px;margin-left:6px;vertical-align:middle}
.serp-ai{background:#f3f0ff;border-radius:12px;padding:12px 14px;font-size:.84rem;margin-bottom:10px}
.serp-ai b{color:#5b3fd6}

/* Stats / trust */
.trust{padding:34px 0;border-bottom:1px solid var(--line)}
.trust .wrap{display:flex;justify-content:space-around;gap:20px;flex-wrap:wrap;text-align:center}
.trust strong{display:block;font-family:"Sora",sans-serif;font-size:1.6rem;color:var(--ink)}
.trust span{font-size:.88rem;color:var(--muted)}

/* Cards */
.grid{display:grid;gap:24px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(11,21,48,.12)}
.card p{color:var(--muted);font-size:.97rem}
.card ul{margin-top:14px;padding-left:0;list-style:none;font-size:.93rem}
.card ul li{padding:5px 0 5px 24px;position:relative}
.card ul li::before{content:"";position:absolute;left:0;top:12px;width:12px;height:12px;border-radius:50%;background:rgba(47,140,255,.2);box-shadow:inset 0 0 0 3px var(--sky)}
.icon{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;font-size:1.5rem;margin-bottom:18px;background:linear-gradient(135deg,rgba(47,140,255,.14),rgba(124,196,255,.22))}
.card.feature{border-top:4px solid var(--sky)}
.card .more{display:inline-block;margin-top:16px;font-weight:700;font-size:.93rem}
.dark .card{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.1);box-shadow:none}
.dark .card p{color:#b8c6ea}

/* Split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.checklist{list-style:none;margin-top:22px}
.checklist li{padding:10px 0 10px 36px;position:relative;border-bottom:1px dashed var(--line)}
.checklist li::before{content:"✓";position:absolute;left:0;top:9px;width:24px;height:24px;border-radius:50%;background:var(--mint);color:#fff;font-weight:800;font-size:.8rem;display:grid;place-items:center}
.dark .checklist li{border-color:rgba(255,255,255,.12)}
.panel{background:linear-gradient(160deg,var(--ink),var(--ink-2));color:#d7e2ff;border-radius:24px;padding:38px}
.panel h3{color:#fff}
.bar{height:10px;border-radius:999px;background:rgba(255,255,255,.12);margin:8px 0 18px;overflow:hidden}
.bar i{display:block;height:100%;background:linear-gradient(90deg,var(--sky),var(--mint));border-radius:999px}
.panel .row{display:flex;justify-content:space-between;font-size:.9rem}

/* Process */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin-top:40px}
.step{position:relative;padding:26px 22px;background:#fff;border-radius:var(--radius);border:1px solid var(--line)}
.step::before{counter-increment:s;content:counter(s,decimal-leading-zero);font-family:"Sora",sans-serif;font-weight:800;font-size:2rem;color:var(--sky);opacity:.35;display:block;margin-bottom:8px}
.step h3{font-size:1.05rem}
.step p{font-size:.9rem;color:var(--muted)}

/* Plans */
.plan{display:flex;flex-direction:column}
.plan .tier{font-size:.8rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--sky)}
.plan h3{font-size:1.5rem;margin:6px 0 4px}
.plan .for{font-size:.92rem;color:var(--muted);margin-bottom:8px}
.plan ul{flex:1}
.plan .btn{margin-top:22px;justify-content:center}
.plan.highlight{border:2px solid var(--sky);position:relative}
.plan.highlight::after{content:"Más elegido";position:absolute;top:-13px;right:22px;background:var(--sky);color:#fff;font-size:.75rem;font-weight:800;padding:4px 12px;border-radius:999px}

/* Table */
.table-wrap{overflow-x:auto;margin-top:30px;border-radius:var(--radius);border:1px solid var(--line);background:#fff}
table{width:100%;border-collapse:collapse;font-size:.95rem;min-width:620px}
th,td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{background:var(--bg-soft);font-family:"Sora",sans-serif;color:var(--ink);font-size:.9rem}
tr:last-child td{border-bottom:0}
td:first-child{font-weight:600;color:var(--ink)}

/* Testimonials */
.quote{font-size:1.08rem;color:var(--text)}
.quote::before{content:"“";font-family:Georgia,serif;font-size:3.4rem;line-height:.6;color:var(--sky);display:block;margin-bottom:6px}
.who{margin-top:16px;font-weight:700;color:var(--ink);font-size:.95rem}
.who span{display:block;font-weight:500;color:var(--muted);font-size:.85rem}

/* FAQ */
.faq{max-width:900px;margin:36px auto 0}
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:12px;padding:0 22px}
.faq summary{cursor:pointer;list-style:none;padding:20px 30px 20px 0;font-weight:700;color:var(--ink);position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:15px;font-size:1.5rem;color:var(--sky);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details>div{padding:0 0 20px;color:var(--muted)}

/* CTA band */
.cta-band{background:linear-gradient(120deg,var(--sky),#5aa9ff 60%,var(--sky-2));color:#fff;border-radius:28px;padding:56px;display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap}
.cta-band h2{color:#fff;margin:0}
.cta-band p{opacity:.92;margin-top:8px}
.cta-band .btn-primary{background:#fff;color:var(--ink);box-shadow:none}

/* Contact */
form.contact{display:grid;gap:14px;background:#fff;padding:32px;border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--line)}
form.contact label{font-size:.85rem;font-weight:700;color:var(--ink);display:block;margin-bottom:6px}
form.contact input,form.contact select,form.contact textarea{width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:10px;font:inherit;font-size:.97rem;background:var(--bg-soft)}
form.contact input:focus,form.contact select:focus,form.contact textarea:focus{outline:2px solid var(--sky);background:#fff}
form.contact .two{display:grid;grid-template-columns:1fr 1fr;gap:14px}
form.contact .btn{justify-content:center}
.offices{display:grid;gap:16px;margin-top:26px}
.office{padding:18px 20px;border-radius:14px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12)}
.office b{color:#fff;display:block}
.office a{color:var(--sky-2)}

/* Article (guía) */
.article-hero{background:linear-gradient(160deg,var(--ink),var(--ink-2));color:#c2d0f2;padding:70px 0 60px}
.article-hero h1{color:#fff;font-size:clamp(2rem,4vw,3rem)}
.article-hero p{max-width:760px;margin-top:16px;font-size:1.1rem}
.crumbs{font-size:.85rem;margin-bottom:16px;color:#94a6d4}
.crumbs a{color:#c8e6ff}
.article{display:grid;grid-template-columns:260px 1fr;gap:56px;padding:60px 20px 90px;max-width:var(--max);margin:0 auto}
.toc{position:sticky;top:96px;align-self:start;font-size:.92rem;border-left:3px solid var(--line);padding-left:18px}
.toc b{display:block;font-family:"Sora",sans-serif;color:var(--ink);margin-bottom:10px}
.toc ol{list-style:none;counter-reset:t}
.toc li{margin:8px 0}
.toc a{color:var(--muted)}
.prose{max-width:780px}
.prose h2{margin-top:2.1em;font-size:1.85rem;scroll-margin-top:96px}
.prose h2:first-child{margin-top:0}
.prose h3{margin-top:1.6em}
.prose ul,.prose ol{margin:1em 0 1em 1.3em}
.prose li{margin:.4em 0}
.callout{background:var(--bg-soft);border-left:4px solid var(--sky);padding:20px 22px;border-radius:0 14px 14px 0;margin:1.6em 0}
.callout.warn{border-color:var(--sun);background:#fff8ec}
.prose table{min-width:0}

/* Footer */
footer.site{background:#070e22;color:#8f9cc2;padding:70px 0 30px;font-size:.93rem}
footer.site h4{color:#fff;font-size:1rem;margin-bottom:14px}
footer.site ul{list-style:none}
footer.site li{margin:8px 0}
footer.site a{color:#b8c6ea}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:50px;padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.85rem}
.wa-float{position:fixed;right:20px;bottom:20px;width:58px;height:58px;border-radius:50%;background:#25d366;display:grid;place-items:center;box-shadow:0 10px 25px rgba(0,0,0,.25);z-index:60}
.wa-float:hover{transform:scale(1.06)}

/* Responsive */
@media (max-width:1024px){
  .g4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  section{padding:64px 0}
  .hero{padding:64px 0 76px}
  .hero-grid,.split,.g2,.g3{grid-template-columns:1fr}
  .hero-grid{gap:40px}
  .menu-toggle{display:block}
  nav.main{position:absolute;top:72px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);display:none}
  nav.main.open{display:block}
  nav.main ul{flex-direction:column;padding:18px 20px;gap:14px;align-items:flex-start}
  .article{grid-template-columns:1fr;gap:30px}
  .toc{position:static}
  .cta-band{padding:36px 26px}
}
@media (max-width:560px){
  body{font-size:16px}
  .wrap{padding:0 16px}
  .g4,.steps{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  form.contact .two{grid-template-columns:1fr}
  .card{padding:24px}
  .topbar .hide-sm{display:none}
}
.article>*{min-width:0}