:root{
  --brand:#00A8C8;        /* cyan del logo NETLINK */
  --brand-d:#0193AF;
  --brand-dd:#027990;
  --ink:#222E33;
  --muted:#5b6b70;
  --bg:#ffffff;
  --soft:#E6F6FA;
  --accent:#ff6a3d;       /* coral para promos/precios */
  --wa:#25d366;
  --wa-d:#1da851;
  --line:#d7eef3;
  --radius:16px;
  --shadow:0 10px 30px rgba(6,97,122,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:'Inter',system-ui,Arial,sans-serif;color:var(--ink);
  background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:'Poppins',system-ui,sans-serif;line-height:1.2;margin:0 0 .4em}
img{max-width:100%;display:block}
a{color:var(--brand-d);text-decoration:none}

/* Botones */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4em;
  padding:14px 26px;border-radius:50px;font-weight:700;font-family:'Poppins',sans-serif;
  font-size:1rem;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease;text-align:center}
.btn:hover{transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:.9rem}
.btn-block{display:flex;width:100%}
.btn-wa{background:var(--wa);color:#fff;box-shadow:0 8px 20px rgba(37,211,102,.35)}
.btn-wa:hover{background:var(--wa-d)}
.btn-ghost{background:rgba(255,255,255,.15);color:#fff;border:2px solid rgba(255,255,255,.7)}
.btn-ghost:hover{background:#fff;color:var(--brand-d)}
.btn-ghost-d{background:#fff;color:var(--brand-d);border:2px solid var(--brand)}
.btn-light{background:#fff;color:var(--brand-d)}

/* Topbar */
.topbar{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:16px;
  padding:12px 5vw;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line)}
.brand-logo{height:40px;width:auto}
.nav{margin-left:auto;display:flex;gap:22px}
.nav a{color:var(--ink);font-weight:600;font-size:.95rem}
.nav a:hover{color:var(--brand)}

/* Hero */
.hero{background:linear-gradient(135deg,var(--brand) 0%,var(--brand-dd) 100%);color:#fff;
  padding:64px 5vw 72px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-120px;top:-120px;width:380px;height:380px;
  background:radial-gradient(circle,rgba(255,255,255,.18),transparent 70%);border-radius:50%}
.hero-inner{max-width:760px;margin:0 auto;text-align:center;position:relative;z-index:1}
.badge{display:inline-block;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.35);
  padding:6px 16px;border-radius:50px;font-size:.85rem;font-weight:600;margin-bottom:18px}
.hero h1{font-size:2.4rem;font-weight:800}
.hero .hl{color:#ffe27a}
.lead{font-size:1.15rem;opacity:.96;max-width:620px;margin:14px auto 26px}
.cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.cta-row.center{justify-content:center}
.hero-points{list-style:none;padding:0;margin:28px 0 0;display:flex;gap:22px;justify-content:center;
  flex-wrap:wrap;font-weight:600;font-size:.95rem}

/* Secciones */
section{padding:60px 5vw}
.section-title{font-size:1.9rem;text-align:center;font-weight:800}
.section-sub{text-align:center;color:var(--muted);max-width:620px;margin:0 auto 36px}

/* Plan */
.plans{background:var(--soft)}
.plan-card{max-width:440px;margin:0 auto;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow);padding:34px 30px 26px;position:relative}
.plan-flag{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--accent);
  color:#fff;font-weight:700;font-size:.78rem;letter-spacing:.5px;padding:6px 16px;border-radius:50px}
.plan-head{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:6px}
.plan-head h3{font-size:1.5rem;margin:0}
.plan-tag{background:var(--brand);color:#fff;font-size:.72rem;font-weight:700;padding:3px 10px;border-radius:6px}
.plan-symm{text-align:center;color:var(--brand-d);font-weight:600;margin:.3em 0 18px}
.price{text-align:center;border-top:1px dashed var(--line);border-bottom:1px dashed var(--line);padding:18px 0;margin-bottom:20px}
.price-from{color:var(--muted);text-decoration:line-through;font-size:1rem}
.price-now{font-family:'Poppins',sans-serif;font-weight:800;font-size:3rem;color:var(--ink);line-height:1;margin:4px 0}
.price-now .cur{font-size:1.4rem;vertical-align:super;color:var(--accent)}
.price-now .per{font-size:1rem;font-weight:600;color:var(--muted)}
.price-note{display:block;color:var(--accent);font-weight:600;font-size:.9rem;margin-top:6px}
.plan-list{list-style:none;padding:0;margin:0 0 24px}
.plan-list li{padding:9px 0 9px 30px;position:relative;border-bottom:1px solid var(--line);font-size:.97rem}
.plan-list li:last-child{border-bottom:0}
.plan-list li::before{content:"✓";position:absolute;left:0;top:9px;color:var(--wa-d);font-weight:800}
.strike-in{color:var(--accent);font-weight:600}
.strike-in b{font-size:1.05em}
.plan-foot{text-align:center;color:var(--muted);font-size:.82rem;margin:14px 0 0}

/* Features */
.feat-grid{max-width:1000px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:22px}
.feat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;transition:transform .15s,box-shadow .15s}
.feat:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.feat-ico{font-size:2rem;margin-bottom:10px}
.feat h3{font-size:1.15rem}
.feat p{color:var(--muted);margin:0;font-size:.95rem}

/* Cobertura */
.coverage{background:var(--soft)}
.zones{list-style:none;padding:0;max-width:760px;margin:0 auto 26px;display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.zones li{background:#fff;border:1px solid var(--line);padding:10px 20px;border-radius:50px;font-weight:600;color:var(--brand-dd)}
.coverage-cta{text-align:center;color:var(--muted);max-width:640px;margin:0 auto}
.coverage-cta a{font-weight:700}

/* Administradores */
.admins{background:linear-gradient(135deg,var(--brand-d),var(--brand-dd));color:#fff;text-align:center}
.admins-inner{max-width:640px;margin:0 auto}
.admins h2{font-size:1.6rem}
.admins p{opacity:.95;margin-bottom:24px}

/* FAQ */
.faq{max-width:760px;margin:0 auto}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:0;margin-bottom:12px;overflow:hidden}
.faq summary{cursor:pointer;padding:18px 20px;font-weight:600;font-family:'Poppins',sans-serif;list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:20px;color:var(--brand);font-size:1.4rem;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 20px 18px;margin:0;color:var(--muted)}

/* Final CTA */
.final{background:linear-gradient(135deg,var(--brand),var(--brand-dd));color:#fff;text-align:center}
.final h2{font-size:2rem}
.final p{opacity:.96;max-width:560px;margin:0 auto 26px}

/* Footer */
.site-footer{background:#06323B;color:#cfe6ec;padding:50px 5vw 24px}
.foot-grid{max-width:1000px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:30px}
.foot-logo{height:40px;filter:brightness(0) invert(1);opacity:.92}
.foot-slogan{color:#9fc3cd;font-size:.9rem;margin-top:12px;max-width:280px}
.site-footer h4{color:#fff;font-size:1rem;margin-bottom:10px}
.site-footer p{margin:6px 0;font-size:.92rem}
.site-footer a{color:#cfe6ec}
.site-footer a:hover{color:#fff}
.copy{text-align:center;color:#7fa6b1;font-size:.82rem;margin-top:36px;border-top:1px solid #0d4a59;padding-top:20px}

/* WhatsApp flotante */
.wa-float{position:fixed;right:18px;bottom:18px;width:58px;height:58px;background:var(--wa);
  border-radius:50%;display:flex;align-items:center;justify-content:center;z-index:60;
  box-shadow:0 8px 24px rgba(37,211,102,.5);transition:transform .15s}
.wa-float:hover{transform:scale(1.08)}

/* Responsive */
@media(min-width:768px){
  .hero{padding:90px 5vw 100px}
  .hero h1{font-size:3.2rem}
  .lead{font-size:1.25rem}
  .section-title{font-size:2.2rem}
}
@media(max-width:520px){
  .nav{display:none}
  .price-now{font-size:2.5rem}
  .btn{padding:13px 22px}
}