/* ============ VARIABLES ============ */
:root{
  --bg:#030914;
  --cyan:#00C2FF;
  --violet:#7000FF;
  --text:#EAF1FF;
  --muted:#9AA8C7;
  --card:rgba(255,255,255,.04);
  --border:rgba(255,255,255,.10);
  --grad:linear-gradient(90deg,var(--cyan),var(--violet));
  --grad-soft:linear-gradient(135deg,rgba(0,194,255,.15),rgba(112,0,255,.15));
  --radius:18px;
  --shadow:0 20px 50px rgba(0,0,0,.45);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',sans-serif;
  background:var(--bg);
  color:var(--text);
  overflow-x:hidden;
  line-height:1.6;
}
h1,h2,h3,h4,h5{font-family:'Poppins',sans-serif;line-height:1.15}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}

#bg-canvas{position:fixed;inset:0;z-index:-1;background:var(--bg)}

.grad-text{
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  gap:.5rem;padding:.85rem 1.7rem;border-radius:50px;
  font-weight:600;font-size:.95rem;cursor:pointer;border:1px solid transparent;
  transition:transform .25s ease,box-shadow .25s ease,opacity .25s;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 24px rgba(0,140,255,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(112,0,255,.45)}
.btn-ghost{background:transparent;border-color:var(--border);color:var(--text)}
.btn-ghost:hover{border-color:var(--cyan);transform:translateY(-2px)}
.btn-block{width:100%}

/* ============ NAVBAR ============ */
.navbar{position:fixed;top:16px;left:0;right:0;z-index:50;display:flex;justify-content:center;padding:0 20px}
.nav-inner{
  width:100%;max-width:1180px;display:flex;align-items:center;justify-content:space-between;
  padding:.7rem 1.4rem;border-radius:60px;
  background:rgba(10,16,30,.55);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border:1px solid var(--border);
  box-shadow:0 8px 30px rgba(0,0,0,.4);
  transition:background .3s;
}
.navbar.scrolled .nav-inner{background:rgba(8,12,24,.8)}
.nav-logo img{height:30px}
.nav-links{display:flex;gap:1.6rem;list-style:none}
.nav-links a{font-size:.92rem;color:var(--muted);font-weight:500;position:relative;transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:var(--text)}
.nav-links a.active::after{content:"";position:absolute;bottom:-6px;left:0;width:100%;height:2px;background:var(--grad);border-radius:2px}
.nav-cta{padding:.6rem 1.3rem;font-size:.9rem}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer}
.nav-toggle span{width:24px;height:2px;background:var(--text);border-radius:2px;transition:.3s}

/* ============ HERO ============ */
.hero{min-height:100vh;display:flex;align-items:center;padding:140px 24px 80px;max-width:1180px;margin:0 auto}
.hero-inner{max-width:760px}
.hero-badge{
  display:inline-block;padding:.4rem 1rem;border-radius:50px;font-size:.8rem;font-weight:600;
  background:var(--grad-soft);border:1px solid var(--border);color:var(--cyan);margin-bottom:1.6rem;letter-spacing:.3px;
}
.hero-title{font-size:clamp(2.4rem,6vw,4.2rem);font-weight:800;margin-bottom:1.4rem}
.hero-title .grad-text{display:inline-block}
.hero-sub{font-size:clamp(1rem,2vw,1.2rem);color:var(--muted);max-width:560px;margin-bottom:2.2rem}
.hero-sub strong{color:var(--text);font-weight:600}
.hero-actions{display:flex;gap:1rem;flex-wrap:wrap;margin-bottom:3.4rem}
.hero-stats{display:flex;gap:2.8rem;flex-wrap:wrap}
.hero-stats>div{display:flex;flex-direction:column}
.stat-num{font-family:'Poppins';font-size:1.8rem;font-weight:700;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat-label{font-size:.85rem;color:var(--muted)}

/* ============ SECTIONS ============ */
.section{max-width:1180px;margin:0 auto;padding:90px 24px}
.section-head{text-align:center;max-width:680px;margin:0 auto 3.2rem}
.eyebrow{display:inline-block;color:var(--cyan);font-weight:600;font-size:.85rem;letter-spacing:2px;text-transform:uppercase;margin-bottom:.8rem}
.section-title{font-size:clamp(1.9rem,4vw,2.8rem);font-weight:700;margin-bottom:1rem}
.section-desc{color:var(--muted);font-size:1.05rem}

/* ============ SERVICIOS ============ */
.services-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem;align-items:start}
.service-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:2rem 1.6rem;transition:transform .35s,border-color .35s,box-shadow .35s;position:relative;overflow:hidden;
}
.service-card::before{content:"";position:absolute;inset:0;background:var(--grad-soft);opacity:0;transition:opacity .35s}
.service-card:hover{transform:translateY(-8px);border-color:rgba(0,194,255,.5);box-shadow:var(--shadow)}
.service-card:hover::before{opacity:1}
.service-card>*{position:relative;z-index:1}
.card-tall{margin-top:0}
.services-grid .card-tall:first-child{margin-top:-14px}
.services-grid .service-card:nth-child(2){margin-top:22px}
.services-grid .service-card:nth-child(3){margin-top:22px}
.services-grid .card-tall:last-child{margin-top:-14px}
.service-icon{width:52px;height:52px;border-radius:14px;background:var(--grad);display:flex;align-items:center;justify-content:center;margin-bottom:1.3rem}
.service-icon svg{width:26px;height:26px;color:#fff}
.service-card h3{font-size:1.15rem;margin-bottom:.7rem}
.service-card p{color:var(--muted);font-size:.94rem;margin-bottom:1.1rem}
.service-tag{font-size:.78rem;color:var(--cyan);font-weight:600;padding:.3rem .8rem;border:1px solid var(--border);border-radius:50px;display:inline-block}

/* ============ CASOS ============ */
.case-tabs{display:flex;gap:.8rem;justify-content:center;flex-wrap:wrap;margin-bottom:2.2rem}
.case-tab{
  padding:.7rem 1.4rem;border-radius:50px;background:var(--card);border:1px solid var(--border);
  color:var(--muted);font-weight:600;font-size:.9rem;cursor:pointer;transition:.25s;font-family:inherit;
}
.case-tab.active{background:var(--grad);color:#fff;border-color:transparent}
.case-panel{
  display:grid;grid-template-columns:1fr auto 1fr;gap:1.5rem;align-items:center;
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:2.4rem;
}
.case-col{padding:1.2rem}
.case-label{display:block;margin:0 0 .7rem;font-family:'Poppins';font-weight:700;font-size:1.1rem}
.case-col.problem .case-label{color:#ff6b8a}
.case-col.solution .case-label{color:var(--cyan)}
.case-col p{color:var(--muted)}
.case-vs{font-family:'Poppins';font-weight:800;font-size:1.4rem;color:var(--muted);opacity:.6}

/* ============ PROCESO ============ */
.process-line{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;position:relative}
.process-line::before{content:"";position:absolute;top:26px;left:12%;right:12%;height:2px;background:var(--grad);opacity:.4}
.process-step{text-align:center;position:relative}
.process-num{
  width:54px;height:54px;margin:0 auto 1.2rem;border-radius:50%;
  background:var(--bg);border:2px solid var(--cyan);display:flex;align-items:center;justify-content:center;
  font-family:'Poppins';font-weight:700;font-size:1.2rem;color:var(--cyan);position:relative;z-index:1;
  box-shadow:0 0 0 6px rgba(0,194,255,.08);
}
.process-step h4{font-size:1.05rem;margin-bottom:.6rem}
.process-step p{color:var(--muted);font-size:.9rem;max-width:220px;margin:0 auto}

/* ============ FAQ ============ */
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:.9rem}
.faq-item{background:var(--card);border:1px solid var(--border);border-radius:14px;overflow:hidden;transition:border-color .3s}
.faq-q-wrap{margin:0;font-weight:400}
.faq-item.open{border-color:rgba(0,194,255,.4)}
.faq-q{
  width:100%;text-align:left;background:none;border:none;color:var(--text);font-family:'Poppins';
  font-weight:500;font-size:1rem;padding:1.2rem 1.4rem;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:1rem;
}
.faq-icon{font-size:1.5rem;color:var(--cyan);transition:transform .3s;flex-shrink:0}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 1.4rem 1.3rem;color:var(--muted)}

/* ============ FOOTER ============ */
.footer{border-top:1px solid var(--border);margin-top:60px;padding:60px 24px 24px;background:rgba(6,10,20,.6)}
.footer-top{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:1.3fr 1.4fr;gap:3rem;align-items:start}
.footer-logo{height:34px;margin-bottom:.8rem}
.footer-tag{color:var(--muted);font-size:.85rem;letter-spacing:1px;margin-bottom:1.4rem;text-transform:uppercase}
.socials{display:flex;gap:.8rem}
.socials a{width:40px;height:40px;border-radius:50%;border:1px solid var(--border);display:flex;align-items:center;justify-content:center;color:var(--muted);transition:.25s}
.socials a:hover{color:#fff;border-color:var(--cyan);background:var(--grad-soft);transform:translateY(-3px)}
.socials svg{width:18px;height:18px}
.footer-links h2,.footer-form h2{font-size:1rem;margin-bottom:1.2rem;color:var(--text);font-weight:600}
.footer-links{max-width:1180px;margin:3rem auto 0;padding-top:2.4rem;border-top:1px solid var(--border);text-align:center}
.footer-links-row{display:flex;justify-content:center;flex-wrap:wrap;gap:1.4rem 2.2rem}
.footer-links a{color:var(--muted);font-size:.92rem;transition:color .2s}
.footer-links a:hover{color:var(--cyan)}
.footer-form form{display:flex;flex-direction:column;gap:.8rem}
.hp-field{position:absolute!important;left:-9999px!important;width:1px;height:1px;opacity:0;pointer-events:none}
.form-note.error{color:#ff6b8a}
.footer-form input,.footer-form textarea{
  background:rgba(255,255,255,.04);border:1px solid var(--border);border-radius:10px;
  padding:.8rem 1rem;color:var(--text);font-family:inherit;font-size:.9rem;resize:vertical;
}
.footer-form input:focus,.footer-form textarea:focus{outline:none;border-color:var(--cyan)}
.form-note{font-size:.85rem;color:var(--cyan);min-height:1rem}
.footer-bottom{max-width:1180px;margin:2.5rem auto 0;padding-top:1.6rem;border-top:1px solid var(--border);text-align:center;color:var(--muted);font-size:.85rem}

/* ============ WHATSAPP ============ */
.whatsapp-float{
  position:fixed;bottom:26px;right:26px;z-index:60;width:60px;height:60px;border-radius:50%;
  background:#25D366;display:flex;align-items:center;justify-content:center;color:#fff;
  box-shadow:0 8px 24px rgba(37,211,102,.5);transition:transform .25s;
  animation:pulse 2.2s infinite;
}
.whatsapp-float:hover{transform:scale(1.1)}
.whatsapp-float svg{width:32px;height:32px}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(37,211,102,.5)}70%{box-shadow:0 0 0 16px rgba(37,211,102,0)}100%{box-shadow:0 0 0 0 rgba(37,211,102,0)}}

/* ============ REVEAL ANIM ============ */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:none}

/* ============ RESPONSIVE ============ */
@media(max-width:960px){
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .services-grid .service-card{margin-top:0!important}
  .process-line{grid-template-columns:repeat(2,1fr);gap:2.5rem 1.5rem}
  .process-line::before{display:none}
  .footer-top{grid-template-columns:1fr}
}
@media(max-width:720px){
  .nav-links,.nav-cta{display:none}
  .nav-links.show{display:flex;flex-direction:column;position:absolute;top:70px;left:20px;right:20px;background:rgba(10,16,30,.95);backdrop-filter:blur(16px);border:1px solid var(--border);border-radius:20px;padding:1.4rem;gap:1rem}
  .nav-toggle{display:flex}
  .services-grid{grid-template-columns:1fr}
  .case-panel{grid-template-columns:1fr;text-align:center}
  .case-vs{margin:.4rem 0}
  .process-line{grid-template-columns:1fr}
  .hero-stats{gap:1.6rem}
}