/* ==========================================================================
   ESTUDIO VORTEX — Hoja de estilos
   Paleta: cyan / violeta sobre fondo oscuro (según la maqueta)
   ========================================================================== */

/* ============ VARIABLES ============ */
:root{
  --bg:         #070b16;
  --bg-2:       #0a0f1f;
  --card:       #0e1526;
  --card-hover: #131c33;

  --cyan:       #22d3ee;
  --cyan-dk:    #06b6d4;
  --violet:     #a855f7;
  --violet-dk:  #7c3aed;

  --cyan-glow:  rgba(34,211,238,.35);
  --violet-glow:rgba(168,85,247,.35);

  --border:     rgba(255,255,255,.09);
  --border-cyan:rgba(34,211,238,.45);
  --border-viol:rgba(168,85,247,.5);

  --text:       #f1f5f9;
  --muted:      #97a3ba;

  --radius:     18px;
  --nav-h:      72px;
}

*{margin:0;padding:0;box-sizing:border-box}

html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 16px)}

body{
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}

img,svg{display:block;max-width:100%}
a{text-decoration:none;color:inherit}
button{font-family:inherit}
.container{max-width:1180px;margin:0 auto;padding:0 24px}

/* ============ FONDOS DECORATIVOS ============ */
.bg-grid{
  position:fixed;inset:0;z-index:-2;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:46px 46px;
  mask-image:radial-gradient(ellipse 90% 65% at 50% 0%,#000 20%,transparent 85%);
  -webkit-mask-image:radial-gradient(ellipse 90% 65% at 50% 0%,#000 20%,transparent 85%);
}
.bg-glow{
  position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(620px 420px at 78% -8%,  rgba(168,85,247,.26), transparent 62%),
    radial-gradient(560px 420px at 4% 22%,   rgba(34,211,238,.16),  transparent 62%),
    radial-gradient(760px 520px at 92% 102%, rgba(124,58,237,.20),  transparent 64%);
}

/* ============ NAVBAR ============ */
nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  backdrop-filter:blur(14px);
  background:rgba(7,11,22,.72);
  border-bottom:1px solid transparent;
  transition:.3s;
}
nav.scrolled{border-bottom-color:var(--border);background:rgba(7,11,22,.92)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:var(--nav-h)}

.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.22rem;letter-spacing:-.02em;white-space:nowrap}
/* Logo real de Estudio Vortex (PNG con fondo transparente) */
.logo-mark{
  width:auto;height:38px;flex-shrink:0;
  filter:drop-shadow(0 0 12px rgba(34,211,238,.35));
}

/* Texto con degradado cyan→violeta (marca y cifras destacadas) */
.grad-text{
  background:linear-gradient(135deg,var(--cyan),var(--violet));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}

.nav-links{display:flex;gap:30px;align-items:center}
.nav-links a{color:var(--muted);font-size:.94rem;font-weight:500;transition:color .2s}
.nav-links a:hover{color:#fff}
.nav-cta{
  padding:10px 20px;border-radius:100px;font-weight:600;font-size:.9rem;color:#08111f !important;
  background:linear-gradient(135deg,var(--cyan),var(--violet));
  transition:.25s;box-shadow:0 4px 20px var(--violet-glow);
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 8px 28px var(--violet-glow)}

/* Hamburguesa */
.burger{
  display:none;background:none;border:none;cursor:pointer;
  width:40px;height:40px;padding:9px;flex-direction:column;justify-content:space-between;
}
.burger span{display:block;height:2px;width:100%;background:#fff;border-radius:2px;transition:.3s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(9px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-9px) rotate(-45deg)}

/* ============ HERO ============ */
header{padding:168px 0 96px;text-align:center;position:relative}

.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 20px;border-radius:100px;
  background:linear-gradient(135deg,rgba(34,211,238,.12),rgba(168,85,247,.12));
  border:1px solid var(--border-cyan);
  color:#a5f3fc;font-size:.82rem;font-weight:700;
  letter-spacing:.16em;text-transform:uppercase;
  margin-bottom:30px;
}
.badge .dot{
  width:7px;height:7px;border-radius:50%;
  background:linear-gradient(135deg,var(--cyan),var(--violet));
  animation:pulse 2s infinite;
}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}

h1{
  font-size:clamp(2.4rem,7.4vw,5rem);
  line-height:1.03;font-weight:900;letter-spacing:-.04em;
  text-transform:uppercase;
  margin-bottom:26px;
}
h1 .grad{
  display:block;
  background:linear-gradient(100deg,var(--cyan) 0%,#5b8def 45%,var(--violet) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 0 28px rgba(168,85,247,.35));
}

.sub{font-size:clamp(1rem,2.3vw,1.18rem);color:var(--muted);max-width:660px;margin:0 auto 42px}

.hero-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

.btn{
  padding:15px 32px;border-radius:100px;font-weight:600;font-size:1rem;
  cursor:pointer;border:1px solid transparent;transition:.25s;
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
}
.btn-primary{
  background:linear-gradient(135deg,var(--cyan),var(--violet));
  color:#08111f;box-shadow:0 6px 26px var(--violet-glow);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 12px 38px var(--violet-glow)}
.btn-ghost{background:rgba(255,255,255,.04);color:#fff;border-color:var(--border)}
.btn-ghost:hover{background:rgba(255,255,255,.09);border-color:var(--border-cyan);transform:translateY(-3px)}

.hero-stats{display:flex;justify-content:center;gap:60px;margin-top:74px;flex-wrap:wrap}
.stat{text-align:center}
.stat-num{font-size:2rem;font-weight:800;color:#fff;letter-spacing:-.02em;line-height:1.2}
.stat-num span{background:linear-gradient(135deg,var(--cyan),var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-lbl{color:var(--muted);font-size:.86rem}

/* ============ SECCIONES ============ */
section{padding:100px 0;position:relative}
.section-alt{background:linear-gradient(180deg,transparent,rgba(124,58,237,.06),transparent)}
.sec-tag{
  color:var(--cyan);font-weight:700;font-size:.85rem;text-transform:uppercase;
  letter-spacing:.14em;text-align:center;margin-bottom:14px;
}
.sec-title{
  font-size:clamp(1.85rem,4vw,2.7rem);font-weight:800;letter-spacing:-.025em;
  text-align:center;margin-bottom:16px;line-height:1.16;
}
.sec-sub{color:var(--muted);text-align:center;max-width:620px;margin:0 auto 58px;font-size:1.02rem}

/* ============ SERVICIOS ============ */
.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:24px}
.service{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:34px;transition:.3s;position:relative;overflow:hidden;
}
.service::after{
  content:'';position:absolute;inset:0;border-radius:var(--radius);pointer-events:none;
  background:linear-gradient(160deg,rgba(34,211,238,.07),transparent 55%);
  opacity:0;transition:.3s;
}
.service:hover{background:var(--card-hover);border-color:var(--border-cyan);transform:translateY(-5px)}
.service:hover::after{opacity:1}
.service-icon{
  width:54px;height:54px;border-radius:14px;display:grid;place-items:center;
  margin-bottom:22px;color:var(--cyan);
  background:linear-gradient(135deg,rgba(34,211,238,.14),rgba(168,85,247,.14));
  border:1px solid var(--border-cyan);
}
.service-icon svg{width:26px;height:26px}
.service h3{font-size:1.16rem;margin-bottom:11px;font-weight:700}
.service p{color:var(--muted);font-size:.94rem}

/* ============ PLANES ============ */
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:26px;align-items:stretch}
.plan{
  background:var(--card);border:1px solid var(--border);border-radius:22px;
  padding:38px 30px;display:flex;flex-direction:column;transition:.3s;position:relative;
}
.plan:hover{transform:translateY(-6px);border-color:var(--border-cyan)}
.plan.featured{
  border-color:var(--border-viol);
  background:linear-gradient(180deg,rgba(124,58,237,.14),var(--card));
  box-shadow:0 0 55px rgba(124,58,237,.22);
}
.plan.featured:hover{border-color:var(--violet)}
.plan-tag{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:linear-gradient(135deg,var(--cyan),var(--violet));color:#08111f;
  font-size:.72rem;font-weight:800;letter-spacing:.08em;padding:6px 18px;
  border-radius:100px;text-transform:uppercase;white-space:nowrap;
}
.plan h3{font-size:1.34rem;font-weight:800;margin-bottom:6px}
.plan-desc{color:var(--muted);font-size:.9rem;margin-bottom:24px;min-height:44px}
.price{font-size:2.7rem;font-weight:900;letter-spacing:-.04em;line-height:1;margin-bottom:8px}
.plan.featured .price{
  background:linear-gradient(135deg,var(--cyan),var(--violet));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.price small{font-size:1rem;font-weight:600;color:var(--muted);letter-spacing:0}
.price-note{color:var(--muted);font-size:.83rem;margin-bottom:26px}
.plan ul{list-style:none;display:flex;flex-direction:column;gap:13px;margin-bottom:32px;flex:1}
.plan li{color:#cbd5e1;font-size:.93rem;display:flex;gap:11px;align-items:flex-start}
.check{color:var(--cyan);flex-shrink:0;font-weight:800}
.plan.featured .check{color:var(--violet)}
.plan .btn{width:100%}

/* Barra de inclusiones */
.includes{
  margin-top:40px;padding:20px 28px;border-radius:100px;
  display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;
  text-align:center;font-size:.98rem;font-weight:500;
  background:linear-gradient(135deg,rgba(34,211,238,.10),rgba(168,85,247,.10));
  border:1px solid var(--border-cyan);
  box-shadow:0 0 40px rgba(34,211,238,.10) inset;
}
.includes strong{color:#fff;font-weight:700}
.wa-mini{width:22px;height:22px;color:#25d366;flex-shrink:0}
.cloud-mini{width:22px;height:22px;color:var(--violet);flex-shrink:0}

.plan-note{text-align:center;color:var(--muted);font-size:.88rem;margin-top:30px}

/* ============ PROCESO ============ */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:26px}
.step{position:relative;padding-left:6px}
.step-num{
  font-size:2.4rem;font-weight:900;color:transparent;
  -webkit-text-stroke:1.5px var(--violet);margin-bottom:14px;letter-spacing:-.03em;line-height:1;
}
.step h4{font-size:1.08rem;font-weight:700;margin-bottom:9px}
.step p{color:var(--muted);font-size:.9rem}

/* ============ PORTAFOLIO ============ */
.portfolio-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.work{border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);background:var(--card);transition:.3s}
.work:hover{transform:translateY(-5px);border-color:var(--border-viol)}
.work-thumb{
  position:relative;aspect-ratio:16/10;overflow:hidden;
  background:linear-gradient(135deg,rgba(34,211,238,.18),rgba(168,85,247,.16));
  border-bottom:1px solid var(--border);
}
.work-thumb img{width:100%;height:100%;object-fit:cover;object-position:top center;transition:transform .5s cubic-bezier(.16,1,.3,1)}
.work:hover .work-thumb img{transform:scale(1.04)}
.work-body{padding:22px}
.work-body h4{font-size:1.05rem;font-weight:700;margin-bottom:6px}
.work-body p{color:var(--muted);font-size:.88rem}
.work-tag{
  display:inline-block;margin-top:12px;font-size:.75rem;font-weight:600;
  color:#c4b5fd;background:rgba(168,85,247,.14);padding:4px 12px;
  border-radius:100px;border:1px solid var(--border-viol);
}

/* ============ TESTIMONIOS ============ */
.reviews{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px}
.review{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:30px}
.stars{color:#fbbf24;margin-bottom:16px;font-size:.95rem;letter-spacing:2px}
.review p{color:#cbd5e1;font-size:.95rem;margin-bottom:22px;font-style:italic}
.review-author{display:flex;align-items:center;gap:13px}
.avatar{
  width:44px;height:44px;border-radius:50%;flex-shrink:0;
  background:linear-gradient(135deg,var(--cyan),var(--violet));
  display:grid;place-items:center;font-weight:700;font-size:.95rem;color:#08111f;
}
.author-name{font-weight:600;font-size:.93rem}
.author-role{color:var(--muted);font-size:.82rem}

/* ============ FAQ ============ */
.faq{max-width:780px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{background:var(--card);border:1px solid var(--border);border-radius:14px;overflow:hidden;transition:.25s}
.faq-item.open{border-color:var(--border-cyan)}
.faq-q{
  width:100%;background:none;border:none;color:#fff;font-size:1rem;font-weight:600;
  text-align:left;cursor:pointer;padding:22px 24px;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq-q:focus-visible{outline:2px solid var(--cyan);outline-offset:-3px}
.faq-icon{color:var(--cyan);font-size:1.4rem;transition:.3s;flex-shrink:0;line-height:1}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;color:var(--muted);font-size:.94rem}
.faq-a-inner{padding:0 24px 24px}
.faq-a strong{color:#e2e8f0}

/* ============ CONTACTO ============ */
.contact-box{
  background:linear-gradient(160deg,rgba(124,58,237,.18),var(--card));
  border:1px solid var(--border-viol);border-radius:26px;
  padding:64px 40px;text-align:center;position:relative;overflow:hidden;
}
.contact-box::before{
  content:'';position:absolute;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,var(--violet-glow),transparent 70%);
  top:-210px;right:-130px;pointer-events:none;
}
.contact-box h2{
  font-size:clamp(1.75rem,4vw,2.5rem);font-weight:800;letter-spacing:-.025em;
  margin-bottom:16px;position:relative;
}
.contact-box p{color:var(--muted);max-width:540px;margin:0 auto 36px;position:relative}
.contact-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;position:relative}
.contact-social{position:relative;margin-top:30px;display:flex;justify-content:center;gap:12px;flex-wrap:wrap}
.contact-social a{
  display:inline-flex;align-items:center;gap:9px;color:var(--muted);
  font-size:.92rem;font-weight:500;transition:.25s;
  padding:9px 18px;border-radius:100px;border:1px solid var(--border);
}
.contact-social a:hover{color:#fff;border-color:var(--border-viol);background:rgba(168,85,247,.1)}
.contact-social svg{width:19px;height:19px}

/* ============ FOOTER ============ */
footer{border-top:1px solid var(--border);padding:56px 0 34px;background:var(--bg-2)}
.footer-top{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:38px;margin-bottom:44px}
.footer-brand p{color:var(--muted);font-size:.9rem;margin-top:16px;max-width:300px}
.footer-col h5{font-size:.8rem;text-transform:uppercase;letter-spacing:.11em;color:#fff;margin-bottom:18px}
.footer-col a{display:block;color:var(--muted);font-size:.9rem;margin-bottom:11px;transition:.2s}
.footer-col a:hover{color:var(--cyan)}
.footer-bottom{border-top:1px solid var(--border);padding-top:26px;color:var(--muted);font-size:.85rem;text-align:center}

/* ============ WHATSAPP FLOTANTE ============ */
.wa-float{
  position:fixed;bottom:26px;right:26px;z-index:120;
  width:58px;height:58px;border-radius:50%;background:#25d366;
  display:grid;place-items:center;
  box-shadow:0 6px 24px rgba(37,211,102,.45);transition:.25s;
}
.wa-float:hover{transform:scale(1.1)}
.wa-float svg{width:30px;height:30px;fill:#fff}

/* ============ ANIMACIÓN DE ENTRADA ============ */
.reveal{opacity:0;transform:translateY(28px);transition:.7s cubic-bezier(.16,1,.3,1)}
.reveal.show{opacity:1;transform:none}

@media(prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* ============ RESPONSIVE ============ */
@media(max-width:980px){
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:860px){
  .nav-links{
    display:none;
  }  .nav-links.mobile{
    display:flex;flex-direction:column;position:absolute;top:var(--nav-h);left:0;right:0;
    background:rgba(7,11,22,.98);padding:26px;gap:20px;
    border-bottom:1px solid var(--border);backdrop-filter:blur(14px);
  }
  .nav-links.mobile .nav-cta{text-align:center;width:100%}
  .burger{display:flex}
  .hero-stats{gap:38px}
  .plan-desc{min-height:0}
}
@media(max-width:760px){
  .portfolio-grid{grid-template-columns:1fr}
}
@media(max-width:600px){
  .footer-top{grid-template-columns:1fr;gap:30px}
  .includes{border-radius:22px;padding:18px 20px;font-size:.92rem}
  .contact-box{padding:48px 22px}
}
@media(max-width:480px){
  header{padding:132px 0 70px}
  section{padding:70px 0}
  .hero-stats{gap:26px}
  .btn{padding:14px 26px;font-size:.95rem}
  .plan{padding:32px 24px}
}