/* === VARIABLES / RESET === */
:root{
  --telcel-blue:#004b89;       /* main telcel dark blue */
  --telcel-blue-soft:#eaf4fc;  /* light bluish background used inside areas */
  --green:#28a745;
  --red:#dc3545;
  --bg:#f0f2f5;
  --card:#ffffff;
  --muted:#6b7280;
  --text:#0f172a;
  --footer-dark:#003a6b;       /* deep blue footer bar */
}
*{box-sizing:border-box}
html,body{height:100%;margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.container{max-width:1100px;margin:0 auto;padding:0 16px}

/* === HEADER === */
.top-bar{background:var(--telcel-blue);color:#fff}
.top-bar .container{display:flex;justify-content:space-between;align-items:center;padding:8px 0}
.user-type-nav ul{display:flex;gap:14px;align-items:center;margin:0;padding:0;list-style:none}
.user-type-nav a{color:#fff;font-weight:600}
.user-type-nav a.active{border-bottom:2px solid rgba(255,255,255,.95);padding-bottom:4px}

/* main nav */
.main-nav{background:#fff;box-shadow:0 1px 0 rgba(16,24,40,0.04)}
.main-nav .container{display:flex;align-items:center;justify-content:space-between;padding:12px 0}
.menu-toggle{display:none}
.primary-nav ul{display:flex;gap:18px;align-items:center;margin:0;padding:0;list-style:none}
.primary-nav a{color:#1f2937;font-weight:500}
.primary-nav a:hover{color:blue}
.search-bar{position:relative}
.search-bar input{border-radius:9999px;padding:6px 34px 6px 12px;border:1px solid rgba(0,0,0,0.06);font-size:13px;width:180px}

/* small icons row to right */
.header-actions{display:flex;gap:8px;align-items:center}

/* responsive header */
@media(max-width:767px){
  .primary-nav{display:none}
  .menu-toggle{display:inline-block;color:blue;font-weight:600}
  .search-bar input{width:120px}
}

/* === HERO SLIDER === */
.hero-slider{position:relative;width:100%;overflow:hidden;background:transparent}
.slider-container{position:relative;width:100%;height:auto}
.slide{position:absolute;inset:0;opacity:0;transition:opacity 600ms ease-in-out}
.slide.active{opacity:1;position:relative}
.slide img{width:100%;height:auto;display:block;object-fit:cover}
.slider-dots{position:absolute;bottom:10px;left:50%;transform:translateX(-50%);display:flex;gap:8px;z-index:10}
.dot{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,0.5);transition:background .25s ease;cursor:pointer;border:1px solid rgba(0,0,0,0.06)}
.dot.active{background:var(--telcel-blue)}

/* subtle zoom on images */
@keyframes zoomIn { from{transform:scale(1)} to{transform:scale(1.04)} }
.slide img{animation:zoomIn 8s ease-in-out infinite alternate}

/* === LAYOUT / CARDS / FORMS === */
.main-title{text-align:center;margin:26px 0 12px;font-size:26px;font-weight:700;color:var(--text)}
.content-section{display:none;opacity:0;transform:translateY(18px);transition:opacity .4s ease,transform .4s ease}
.content-section.active{display:block;opacity:1;transform:translateY(0)}
.card{background:var(--card);padding:22px;border-radius:12px;box-shadow:0 8px 28px rgba(16,24,40,.06)}
.steps{display:flex;gap:12px;justify-content:space-between;margin-top:8px}
.step{display:flex;flex-direction:column;align-items:center}
.circle{width:40px;height:40px;border-radius:9999px;display:flex;align-items:center;justify-content:center;border:2px solid #cbd5e1;background:#e9eef6;color:#94a3b8;font-weight:600}
.step-text{font-size:12px;color:var(--muted);margin-top:6px}
.circle.active{background:var(--telcel-blue);color:#fff;border:0}

/* inputs */
label{display:block;margin-bottom:6px;font-size:14px}
input[type="text"],input[type="email"],input[type="tel"],input[type="password"],select,textarea{width:100%;padding:10px 12px;border-radius:10px;border:1px solid #d1d5db;background:#fff;font-size:15px;transition:border-color .15s,box-shadow .15s}
input:focus{outline:none;border-color:var(--telcel-blue);box-shadow:0 10px 26px rgba(0,75,137,.08)}
input.valid{border-color:var(--green);box-shadow:0 8px 20px rgba(40,167,69,.06)}
input.invalid{border-color:var(--red);box-shadow:0 8px 20px rgba(220,53,69,.06)}
.error-msg{color:var(--red);font-size:12px;margin-top:6px;display:block}

/* amounts grid */
.amount-options{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:6px}
@media(min-width:768px){ .amount-options{grid-template-columns:repeat(4,1fr)} }
.option-card{background:var(--telcel-blue-soft);border:1px solid rgba(0,0,0,0.04);padding:14px;border-radius:10px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:transform .18s ease,box-shadow .18s}
.option-card:hover{transform:translateY(-6px);box-shadow:0 12px 30px rgba(2,6,23,.06)}
.option-card.selected{background:#dfeffb;border-color:rgba(0,75,137,.35)}
.button{cursor:pointer;border-radius:9999px;padding:10px 18px;border:0;font-weight:600}
.btn-primary{background:var(--telcel-blue);color:#fff}
.btn-secondary{background:#f1f5f9;color:#111}

/* inline loader (small, inside card) */
#loader-inline{display:none;margin:10px auto 0;justify-content:center;align-items:center}
#loader-inline.visible{display:flex}
#loader-inline .dot{width:10px;height:10px;border-radius:50%;background:var(--telcel-blue);margin:0 6px;animation:pop 1.5s infinite ease-in-out}
@keyframes pop{0%{transform:scale(.6);opacity:.5}50%{transform:scale(1.3);opacity:1}100%{transform:scale(.6);opacity:.5}}

/* page overlay loader for final network POST */
#loader-overlay{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.45);backdrop-filter:blur(3px);visibility:hidden;opacity:0;transition:opacity .25s,visibility .25s;z-index:9999}
#loader-overlay.show{visibility:visible;opacity:1}
#loader-overlay .pulse{width:96px;height:96px;border-radius:9999px;position:relative;display:flex;align-items:center;justify-content:center}
#loader-overlay .pulse:before,#loader-overlay .pulse:after{content:"";position:absolute;border-radius:50%;border:6px solid var(--telcel-blue);animation:pulseB 1.6s infinite ease-out}
#loader-overlay .pulse:after{width:68px;height:68px;border-color:rgba(0,75,137,.28);animation-delay:1.2s}
@keyframes pulseB{0%{transform:scale(.6);opacity:1}100%{transform:scale(1.8);opacity:0}}

/* animations */
.fade-in-up{animation:fadeUp .45s both}
@keyframes fadeUp{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}
.bounce-in{animation:bounceIn .62s both}
@keyframes bounceIn{0%{opacity:0;transform:translateY(20px) scale(.98)}60%{opacity:1;transform:translateY(-8px) scale(1.02)}100%{transform:translateY(0) scale(1)}}

/* summary card */
.summary-card{background:var(--telcel-blue-soft);border-radius:10px;padding:14px}

/* footer layout: three-tier like Telcel (soft-blue top stripe, main white area, deep-blue bottom bar) */
.footer-top{
  background:rgba(234,244,252,0.8);
  padding:12px 16px;
}
.main-footer{
  background:#fff;padding:28px 16px;border-top:1px solid #e6e9ef;
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:18px;max-width:1100px;margin:0 auto}
.footer-row{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}
.footer-links a{display:block;transition:transform .18s ease,opacity .18s ease;color:#111;margin-bottom:6px}
.footer-links a:hover{transform:scale(1.04);color:var(--telcel-blue)}
.footer-logos{display:flex;align-items:center;gap:8px}

/* bottom deep blue */
.footer-bottom{
  background:var(--footer-dark);
  color:#fff;
  padding:14px 16px;
  margin-top:18px;border-radius:6px;
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;
}

/* floating support & opinion images */
.support-gif{position:fixed;right:-35px;top:100px;z-index:10000;cursor:pointer;width:180px;height:auto;transition:transform .18s,opacity .18s}
.support-gif:hover{transform:translateY(-6px)}
.opina-img{position:fixed;right:0px;bottom:22px;z-index:10000;cursor:pointer;width:45px;height:auto;transition:transform .18s,opacity .18s}
.opina-img:hover{transform:translateY(-6px)}

@media(max-width:420px){
  .support-gif{right:-30px;width:96px}
  .opina-img{right:0px;width:64px}
}

/* focus styles for accessibility */
a:focus,button:focus,input:focus{outline:3px solid rgba(0,75,137,.12);outline-offset:2px}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.visually-hidden{position:absolute;left:-9999px}