/* ============================================================
   GSE Dominicana — Sistema de diseño
   Concepto: "Traza WDM" — la luz viajando por la fibra en tres
   longitudes de onda (1310nm violeta / 1490nm ámbar / 1550nm cian)
   se usa como firma visual recurrente (divisores, acentos, loaders).
   ============================================================ */

:root{
  --bg:            #060a12;
  --bg-elev:       #0b1220;
  --surface:       #101b2c;
  --surface-2:     #14243a;
  --line:          rgba(255,255,255,.08);
  --line-strong:   rgba(255,255,255,.16);

  --text:          #e9eef6;
  --text-dim:      #93a6bd;
  --text-faint:    #5c6d84;

  --cian:          #00e5c7;   /* 1550nm */
  --violeta:       #a15cff;   /* 1310nm */
  --ambar:         #ffb84d;   /* 1490nm */

  --cian-10:       rgba(0,229,199,.10);
  --violeta-10:    rgba(161,92,255,.10);
  --ambar-10:      rgba(255,184,77,.10);

  --radius:        14px;
  --radius-sm:     8px;
  --maxw:          1180px;

  --font-display:  'Space Grotesk', system-ui, sans-serif;
  --font-body:     'Inter', system-ui, sans-serif;
  --font-mono:     'JetBrains Mono', 'Courier New', monospace;

  --shadow-glow-cian: 0 0 40px -8px rgba(0,229,199,.35);
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

/* fondo con textura sutil de "conducto de fibra" */
body::before{
  content:"";
  position:fixed; inset:0;
  background:
    radial-gradient(ellipse 900px 500px at 15% -10%, var(--violeta-10), transparent 60%),
    radial-gradient(ellipse 900px 600px at 90% 10%, var(--cian-10), transparent 55%);
  pointer-events:none;
  z-index:0;
}

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3,h4{ font-family:var(--font-display); font-weight:600; line-height:1.15; margin:0 0 .5em; letter-spacing:-.01em; }
p{ margin:0 0 1em; color:var(--text-dim); }
.container{ max-width:var(--maxw); margin:0 auto; padding:0 24px; position:relative; z-index:1; }
section{ padding:88px 0; position:relative; z-index:1; }
.eyebrow{
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--cian);
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-bottom:14px;
}
.eyebrow::before{ content:""; width:7px; height:7px; border-radius:50%; background:var(--cian); box-shadow:0 0 10px var(--cian); }

/* ---------- Botones ---------- */
.btn{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--font-body); font-weight:600; font-size:15px;
  padding:13px 26px; border-radius:999px; border:1px solid transparent;
  cursor:pointer; transition:.2s ease; white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(90deg,var(--cian),#00c4ff);
  color:#031311;
  box-shadow:var(--shadow-glow-cian);
}
.btn-primary:hover{ filter:brightness(1.08); transform:translateY(-1px); }
.btn-ghost{
  border-color:var(--line-strong);
  color:var(--text);
  background:rgba(255,255,255,.02);
}
.btn-ghost:hover{ border-color:var(--cian); color:var(--cian); }

/* ---------- Header ---------- */
.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(6,10,18,.78);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:16px 0;
}
.brand{ display:flex; align-items:center; gap:10px; font-family:var(--font-display); font-weight:700; font-size:19px; }
.brand-logo{ width:30px; height:auto; flex-shrink:0; }
.nav-links{ display:flex; align-items:center; gap:22px; }
.nav-links a{
  font-size:14px; color:var(--text-dim); font-weight:500;
  padding:6px 2px; border-bottom:2px solid transparent; transition:.2s; white-space:nowrap;
}
.nav-links a:hover, .nav-links a.active{ color:var(--text); border-bottom-color:var(--cian); }
.nav-cta{ display:flex; align-items:center; gap:14px; }
.nav-toggle{ display:none; background:none; border:1px solid var(--line-strong); color:var(--text); border-radius:8px; padding:8px 10px; cursor:pointer; }

@media (max-width:980px){
  .nav-links{ display:none; }
  .nav-toggle{ display:inline-flex; }
  .nav-links.open{
    display:flex; position:absolute; top:100%; left:0; right:0;
    flex-direction:column; background:var(--bg-elev); border-bottom:1px solid var(--line);
    padding:16px 24px; gap:16px;
  }
}

/* ---------- Traza WDM (firma visual) ---------- */
.wdm-trace{
  position:relative; height:64px; margin:0 auto; max-width:var(--maxw);
  display:flex; align-items:center; overflow:hidden;
}
.wdm-trace .rail{
  position:absolute; left:0; right:0; top:50%; height:1px;
  background:var(--line-strong); transform:translateY(-50%);
}
.wdm-trace .pulse{
  position:absolute; top:50%; width:70px; height:3px; border-radius:3px;
  transform:translateY(-50%);
  filter:blur(.3px);
  animation:travel 3.6s linear infinite;
}
.wdm-trace .p1{ background:linear-gradient(90deg,transparent,var(--violeta),transparent); animation-delay:0s; top:38%; }
.wdm-trace .p2{ background:linear-gradient(90deg,transparent,var(--ambar),transparent); animation-delay:1.1s; top:50%; }
.wdm-trace .p3{ background:linear-gradient(90deg,transparent,var(--cian),transparent); animation-delay:2.2s; top:62%; }
@keyframes travel{
  from{ left:-80px; }
  to{ left:100%; }
}
@media (prefers-reduced-motion:reduce){
  .wdm-trace .pulse{ animation:none; left:40%; }
}

/* ---------- Hero ---------- */
.hero{ padding:96px 0 60px; }
.hero-grid{ display:grid; grid-template-columns:1.1fr .9fr; gap:56px; align-items:center; }
.hero h1{ font-size:clamp(34px,5vw,54px); }
.hero h1 .accent{
  background:linear-gradient(90deg,var(--violeta),var(--cian));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.hero-lead{ font-size:17.5px; max-width:520px; }
.hero-actions{ display:flex; gap:14px; margin-top:28px; flex-wrap:wrap; }
.hero-stats{ display:flex; gap:36px; margin-top:44px; flex-wrap:wrap; }
.hero-stats .stat b{ display:block; font-family:var(--font-display); font-size:26px; color:var(--text); }
.hero-stats .stat span{ font-size:12.5px; color:var(--text-faint); font-family:var(--font-mono); letter-spacing:.04em; }

.hero-art{ width:100%; }
.fiber-illustration{ width:100%; height:auto; display:block; }
@media (max-width:900px){ .hero-art{ display:none; } }

/* ---------- Reveal on scroll ---------- */
.reveal{ opacity:0; transform:translateY(22px); transition:opacity .7s ease, transform .7s ease; }
.reveal.in{ opacity:1; transform:translateY(0); }
@media (prefers-reduced-motion:reduce){
  .reveal{ opacity:1; transform:none; transition:none; }
}

/* panel de "estado de fibra" tipo consola de red — anclado en el mundo real del ISP */
.fiber-console{
  background:var(--surface); border:1px solid var(--line); border-radius:var(--radius);
  padding:22px; font-family:var(--font-mono); font-size:12.5px; color:var(--text-dim);
  box-shadow:0 20px 60px -20px rgba(0,0,0,.6);
}
.fiber-console .console-head{
  display:flex; justify-content:space-between; align-items:center;
  padding-bottom:14px; margin-bottom:14px; border-bottom:1px solid var(--line);
  color:var(--text-faint); text-transform:uppercase; letter-spacing:.08em; font-size:11px;
}
.console-row{ display:flex; justify-content:space-between; padding:8px 0; border-bottom:1px dashed var(--line); }
.console-row:last-child{ border-bottom:none; }
.badge-ok{ color:var(--cian); }
.badge-ok::before{ content:"● "; }
.wave-mini{ display:flex; gap:3px; align-items:flex-end; height:16px; }
.wave-mini span{ width:3px; background:var(--cian); border-radius:2px; opacity:.85; }

/* ---------- Rango de velocidad (planes genéricos) ---------- */
.speed-range{ padding:40px 36px; }
.speed-range-value{ display:flex; align-items:center; gap:18px; margin:18px 0 22px; max-width:520px; }
.mbps-edge{ font-family:var(--font-display); font-size:30px; font-weight:700; color:var(--text); white-space:nowrap; }
.mbps-edge small{ font-family:var(--font-mono); font-size:12px; color:var(--text-faint); font-weight:400; margin-left:3px; }
.range-bar{ flex:1; height:6px; border-radius:999px; background:var(--line-strong); position:relative; overflow:hidden; }
.range-fill{ position:absolute; inset:0; background:linear-gradient(90deg,var(--violeta),var(--ambar),var(--cian)); border-radius:999px; }
.price-desde{ font-family:var(--font-mono); font-size:15px; color:var(--text-dim); margin-bottom:18px; }
.price-desde b{ color:var(--cian); font-size:24px; font-family:var(--font-display); }
@media (max-width:600px){ .speed-range{ padding:28px 22px; } .speed-range-value{ gap:12px; } .mbps-edge{ font-size:22px; } }

/* ---------- Cards / Grid genérico ---------- */
.grid{ display:grid; gap:22px; }
.grid-3{ grid-template-columns:repeat(3,1fr); }
.grid-2{ grid-template-columns:repeat(2,1fr); }
@media (max-width:900px){ .grid-3,.grid-2{ grid-template-columns:1fr; } .hero-grid{ grid-template-columns:1fr; } }

.card{
  background:var(--surface); border:1px solid var(--line); border-radius:var(--radius);
  padding:28px; transition:.25s ease;
}
.card:hover{ border-color:var(--line-strong); transform:translateY(-3px); }
.icon-wrap{
  width:44px; height:44px; border-radius:10px; display:flex; align-items:center; justify-content:center;
  background:var(--cian-10); color:var(--cian); flex-shrink:0; font-size:18px;
}
.card .icon-wrap{ margin-bottom:16px; }
.card h3{ font-size:18px; }
.card p{ font-size:14.5px; margin-bottom:0; }

/* section header helper */
.section-head{ max-width:640px; margin-bottom:44px; }
.section-head h2{ font-size:clamp(26px,3.4vw,36px); }

/* ---------- Planes / pricing ---------- */
.plan-card{
  background:var(--surface); border:1px solid var(--line); border-radius:var(--radius);
  padding:30px; display:flex; flex-direction:column; position:relative;
}
.plan-card.featured{ border-color:var(--cian); box-shadow:var(--shadow-glow-cian); }
.plan-card .tag{
  position:absolute; top:-12px; right:24px; background:var(--cian); color:#031311;
  font-family:var(--font-mono); font-size:11px; font-weight:700; letter-spacing:.06em;
  padding:5px 12px; border-radius:999px; text-transform:uppercase;
}
.plan-card .mbps{ font-family:var(--font-display); font-size:44px; margin:6px 0 0; }
.plan-card .mbps span{ font-size:16px; color:var(--text-faint); font-weight:400; }
.plan-card .price{ font-family:var(--font-mono); color:var(--text-dim); font-size:14px; margin-bottom:20px; }
.plan-card .price b{ color:var(--text); font-size:20px; }
.plan-list{ list-style:none; margin:0 0 24px; padding:0; display:flex; flex-direction:column; gap:10px; }
.plan-list li{ font-size:14px; color:var(--text-dim); display:flex; gap:10px; align-items:flex-start; }
.plan-list li::before{ content:"›"; color:var(--cian); font-weight:700; }
.plan-card .btn{ margin-top:auto; justify-content:center; }

/* ---------- Cobertura ---------- */
.zone-card{ background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); padding:26px; }
.zone-card h3{ display:flex; align-items:center; gap:10px; font-size:17px; }
.zone-code{
  font-family:var(--font-mono); font-size:11.5px; background:var(--violeta-10); color:var(--violeta);
  padding:3px 9px; border-radius:6px; letter-spacing:.06em;
}
.coverage-list{ list-style:none; margin:14px 0 0; padding:0; font-size:14px; color:var(--text-dim); columns:2; gap:8px; }
.coverage-list li{ padding:4px 0; break-inside:avoid; }
.coverage-list li::before{ content:"◦ "; color:var(--cian); }

.status-strip{
  display:flex; align-items:center; gap:12px; background:var(--bg-elev);
  border:1px solid var(--line); border-radius:var(--radius-sm); padding:14px 18px; margin-top:36px;
  font-family:var(--font-mono); font-size:13px; color:var(--text-dim);
}
.status-dot{ width:9px; height:9px; border-radius:50%; background:var(--cian); box-shadow:0 0 10px var(--cian); flex-shrink:0; }

/* ---------- Soporte / FAQ ---------- */
.faq-item{ border-bottom:1px solid var(--line); padding:22px 0; }
.faq-item summary{
  cursor:pointer; font-family:var(--font-display); font-size:16.5px; font-weight:600;
  list-style:none; display:flex; justify-content:space-between; align-items:center; gap:16px;
}
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary::after{ content:"+"; color:var(--cian); font-size:22px; font-weight:400; transition:.2s; }
.faq-item[open] summary::after{ transform:rotate(45deg); }
.faq-item p{ margin-top:14px; font-size:14.5px; }

.support-channel{
  display:flex; gap:16px; align-items:flex-start; padding:22px;
  background:var(--surface); border:1px solid var(--line); border-radius:var(--radius);
}
.support-channel .icon-wrap{ flex-shrink:0; }

/* ---------- Contacto ---------- */
.form-field{ margin-bottom:18px; }
.form-field label{ display:block; font-size:13px; color:var(--text-dim); margin-bottom:7px; font-family:var(--font-mono); letter-spacing:.03em; }
.form-field input, .form-field select, .form-field textarea{
  width:100%; background:var(--bg-elev); border:1px solid var(--line-strong); border-radius:var(--radius-sm);
  padding:12px 14px; color:var(--text); font-family:var(--font-body); font-size:14.5px; outline:none; transition:.2s;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus{
  border-color:var(--cian); box-shadow:0 0 0 3px var(--cian-10);
}
.form-field textarea{ resize:vertical; min-height:120px; }
.alert{ padding:14px 18px; border-radius:var(--radius-sm); font-size:14px; margin-bottom:20px; font-family:var(--font-mono); }
.alert-ok{ background:var(--cian-10); border:1px solid rgba(0,229,199,.4); color:var(--cian); }
.alert-err{ background:rgba(255,90,90,.08); border:1px solid rgba(255,90,90,.35); color:#ff8080; }

.contact-info-item{ display:flex; gap:14px; align-items:flex-start; padding:16px 0; border-bottom:1px solid var(--line); }
.contact-info-item:last-child{ border-bottom:none; }
.contact-info-item b{ display:block; color:var(--text); font-size:14.5px; }
.contact-info-item span{ font-size:13.5px; color:var(--text-faint); }

/* ---------- CTA banda ---------- */
.cta-band{
  background:var(--surface); border:1px solid var(--line); border-radius:20px;
  padding:52px; text-align:center; position:relative; overflow:hidden;
}
.cta-band::after{
  content:""; position:absolute; inset:-2px;
  background:linear-gradient(120deg,var(--violeta),transparent 40%,var(--cian));
  opacity:.12; pointer-events:none;
}
.cta-band h2{ font-size:clamp(24px,3vw,32px); margin-bottom:10px; }

/* ---------- Footer ---------- */
.site-footer{ border-top:1px solid var(--line); padding:56px 0 30px; margin-top:40px; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:36px; margin-bottom:40px; }
.footer-col h4{ font-size:13px; color:var(--text-faint); text-transform:uppercase; letter-spacing:.08em; font-family:var(--font-mono); margin-bottom:16px; }
.footer-col a, .footer-col p{ display:block; font-size:14px; color:var(--text-dim); margin-bottom:10px; }
.footer-col a:hover{ color:var(--cian); }
.footer-bottom{ display:flex; justify-content:space-between; align-items:center; padding-top:24px; border-top:1px solid var(--line); font-size:12.5px; color:var(--text-faint); flex-wrap:wrap; gap:10px; }
@media (max-width:860px){ .footer-grid{ grid-template-columns:1fr 1fr; } }

/* utilidades */
.text-center{ text-align:center; margin:0 auto; }
.mt-0{ margin-top:0; }