/* Perifoneos.com.co — escenario de estudio en penumbra.
   El naranja del logotipo manda en todo lo accionable; la onda de audio
   es el elemento estructural que separa las bandas. */

:root{
  --ink:#05070E;
  --stage:#0A1120;
  --panel:#101A2E;
  --line:#1E2C47;
  --white:#F7FAFF;
  --mute:#93A4C4;
  --blue:#2E7BFF;
  --cyan:#44D8F2;
  --orange:#FF8A1E;
  --orange-ink:#1A0D00;
  --ok:#3DDC97;
  --d:'Archivo',"Helvetica Neue",Arial,sans-serif;
  --b:'Figtree',"Segoe UI",system-ui,-apple-system,sans-serif;
  --gut:clamp(16px,4vw,28px);
  color-scheme:dark;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}

body{
  margin:0;background:var(--ink);color:var(--white);
  font-family:var(--b);font-size:17px;line-height:1.65;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;height:auto}
a{color:inherit}
h1,h2,h3,h4{font-family:var(--d);margin:0;line-height:1.08;text-wrap:balance;letter-spacing:-.02em}
p{margin:0}
:where(a,button,input,textarea,summary):focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}

.wrap{max-width:1180px;margin-inline:auto;padding-left:var(--gut);padding-right:var(--gut)}
.sec{padding-block:clamp(48px,7vw,86px)}
.sechead{max-width:64ch}
.sechead h2{margin-top:10px;font-size:clamp(1.7rem,4.2vw,2.6rem);font-weight:800}
.sechead p{margin-top:14px;color:var(--mute)}
.eyebrow{font-family:var(--d);font-size:.73rem;font-weight:700;letter-spacing:.17em;text-transform:uppercase;color:var(--cyan)}
.alt{background:var(--stage)}
.sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ── botones ── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:var(--d);font-weight:700;font-size:.95rem;
  border-radius:999px;padding:13px 24px;text-decoration:none;cursor:pointer;
  border:1px solid transparent;transition:transform .15s ease,background .15s ease,border-color .15s ease;
}
.btn:hover{transform:translateY(-2px)}
.btn-o{background:var(--orange);color:var(--orange-ink)}
.btn-o:hover{background:#ff9a3d}
.btn-g{background:transparent;color:var(--white);border-color:var(--line)}
.btn-g:hover{border-color:var(--cyan)}
.btn svg{width:18px;height:18px;flex:0 0 auto}

/* ── cabecera ── */
.site-head{position:sticky;top:0;z-index:50;background:rgba(5,7,14,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;align-items:center;gap:18px;padding-block:13px}
.brand{font-family:var(--d);font-weight:800;font-size:1.2rem;text-decoration:none;letter-spacing:-.025em;white-space:nowrap}
.brand em{font-style:normal;color:var(--orange)}
.nav{margin-left:auto;display:flex;align-items:center;gap:22px}
.nav ul{display:flex;gap:22px;list-style:none;margin:0;padding:0;flex-wrap:wrap}
.nav a{text-decoration:none;font-size:.93rem;color:var(--mute);transition:color .15s}
.nav a:hover,.nav .current-menu-item>a{color:var(--white)}
.navbtn{display:none;background:none;border:1px solid var(--line);border-radius:10px;padding:8px 10px;cursor:pointer;color:var(--white)}
.navbtn svg{width:20px;height:20px;display:block;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round}
@media (max-width:900px){
  .navbtn{display:block;margin-left:auto}
  .nav{position:fixed;inset:0 0 auto 0;top:0;margin:0;flex-direction:column;align-items:stretch;gap:0;
       background:var(--stage);border-bottom:1px solid var(--line);padding:76px var(--gut) 22px;transform:translateY(-100%);
       transition:transform .25s ease;z-index:40}
  .nav[data-open="1"]{transform:translateY(0)}
  .nav ul{flex-direction:column;gap:0}
  .nav li{border-bottom:1px solid var(--line)}
  .nav a{display:block;padding:14px 0;font-size:1.02rem;color:var(--white)}
  .nav .btn{margin-top:18px}
}

/* ── hero ── */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(1200px 540px at 76% 46%,rgba(46,123,255,.26),transparent 68%),
    radial-gradient(760px 440px at 10% 16%,rgba(68,216,242,.12),transparent 70%),
    var(--stage);
}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(26px,4vw,46px);align-items:center;padding-block:clamp(40px,7vw,80px)}
.hero h1{font-size:clamp(2.15rem,6.4vw,4rem);font-weight:900;text-transform:uppercase}
.hero h1 em{font-style:normal;color:var(--orange)}
.hero .lede{margin-top:19px;color:var(--mute);font-size:clamp(1.02rem,1.9vw,1.16rem);max-width:54ch}
.herometa{margin-top:26px;display:flex;gap:12px;flex-wrap:wrap}
.chip{display:inline-flex;align-items:baseline;gap:9px;border:1px solid var(--line);background:rgba(16,26,46,.78);border-radius:14px;padding:11px 17px}
.chip b{font-family:var(--d);font-weight:900;font-size:1.4rem;font-variant-numeric:tabular-nums}
.chip span{font-size:.76rem;letter-spacing:.1em;text-transform:uppercase;color:var(--mute);font-weight:600}
.chip.fast b{color:var(--cyan)}
.herocta{margin-top:28px;display:flex;gap:12px;flex-wrap:wrap}
.heroart{position:relative}
.heroart img{display:block;width:100%;border-radius:18px;border:1px solid var(--line)}
.heroart::after{content:"";position:absolute;inset:auto 0 -1px 0;height:32%;border-radius:0 0 18px 18px;
  background:linear-gradient(to top,rgba(10,17,32,.9),transparent);pointer-events:none}
@media (max-width:860px){
  .hero .wrap{grid-template-columns:1fr}
  .heroart{order:-1}
}

/* onda separadora */
.wavebar{display:block;width:100%;height:46px;background:var(--ink)}
.alt+.wavebar,.wavebar.on-alt{background:var(--stage)}

/* ── reproductores ── */
.voices{margin-top:32px;display:grid;grid-template-columns:repeat(auto-fit,minmax(310px,1fr));gap:15px}
.vcard{background:var(--panel);border:1px solid var(--line);border-radius:17px;padding:19px;display:flex;flex-direction:column;gap:15px;min-width:0;transition:border-color .2s}
.vcard:hover{border-color:rgba(255,138,30,.4)}
.vtop{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.vtitle{font-family:var(--d);font-weight:800;font-size:1.07rem}
.vdetail{font-size:.85rem;color:var(--mute);margin-top:3px}
.vdur{font-size:.78rem;color:var(--mute);font-variant-numeric:tabular-nums;white-space:nowrap;border:1px solid var(--line);border-radius:999px;padding:3px 11px}
.vrow{display:flex;align-items:center;gap:13px;min-width:0}
.play{flex:0 0 auto;width:48px;height:48px;border-radius:50%;border:none;background:var(--orange);color:var(--orange-ink);
      display:grid;place-items:center;cursor:pointer;transition:transform .15s ease,background .15s}
.play:hover{transform:scale(1.07);background:#ff9a3d}
.play svg{width:18px;height:18px;display:block}
.wavebox{flex:1 1 auto;min-width:0;position:relative;height:48px;cursor:pointer}
.wavebox canvas{display:block;width:100%;height:100%}
.vfoot{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.tnow{font-size:.79rem;color:var(--mute);font-variant-numeric:tabular-nums}
.vask{font-family:var(--d);font-weight:700;font-size:.84rem;color:var(--cyan);text-decoration:none;border-bottom:1px solid transparent}
.vask:hover{border-bottom-color:var(--cyan)}

/* ── tarjetas ── */
.cards{margin-top:32px;display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:15px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:17px;padding:22px;display:flex;flex-direction:column;gap:11px;min-width:0}
.card h3{font-size:1.07rem;font-weight:800}
.card p{font-size:.92rem;color:var(--mute)}
.card .vask{margin-top:auto;align-self:flex-start;padding-top:6px}
.ico{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:rgba(46,123,255,.14);border:1px solid rgba(68,216,242,.26)}
.ico svg{width:20px;height:20px;stroke:var(--cyan);fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}

/* ── pasos ── */
.steps{margin-top:32px;display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px;counter-reset:paso}
.step{position:relative;padding:24px 18px 18px;border-top:2px solid var(--line);min-width:0}
.step:first-child{border-top-color:var(--orange)}
.step::before{counter-increment:paso;content:"Paso " counter(paso);font-family:var(--d);font-weight:900;font-size:.76rem;
  letter-spacing:.12em;text-transform:uppercase;color:var(--orange)}
.step h3{margin-top:9px;font-size:1.03rem;font-weight:800}
.step p{margin-top:9px;font-size:.9rem;color:var(--mute)}

/* ── precios ── */
.planes{margin-top:34px;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.plan{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:19px;padding:26px 22px;display:flex;flex-direction:column;gap:7px;min-width:0}
.plan.top{border-color:rgba(255,138,30,.55);background:linear-gradient(160deg,rgba(255,138,30,.09),transparent 62%),var(--panel)}
.plan .flag{position:absolute;top:-11px;left:22px;background:var(--orange);color:var(--orange-ink);
  font-family:var(--d);font-weight:800;font-size:.67rem;letter-spacing:.12em;text-transform:uppercase;padding:4px 11px;border-radius:999px}
.plan h3{font-size:1.02rem;font-weight:800}
.plan .price{font-family:var(--d);font-weight:900;font-size:clamp(1.9rem,4.4vw,2.5rem);font-variant-numeric:tabular-nums;margin-top:4px}
.plan .cur{font-size:.8rem;color:var(--mute);font-weight:600;letter-spacing:.08em}
.plan .unit{font-size:.84rem;color:var(--cyan);margin-top:2px}
.plan .btn{margin-top:18px}
.planes-pie{margin-top:18px;font-size:.86rem;color:var(--mute)}

/* ── ventajas ── */
.why{margin-top:32px;display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:15px}
.wy{display:flex;gap:13px;min-width:0}
.wy svg{flex:0 0 auto;width:21px;height:21px;margin-top:4px;stroke:var(--ok);fill:none;stroke-width:2.3;stroke-linecap:round;stroke-linejoin:round}
.wy h3{font-size:1rem;font-weight:800}
.wy p{margin-top:5px;font-size:.9rem;color:var(--mute)}

/* ── preguntas ── */
.faq{margin-top:30px;border-top:1px solid var(--line);max-width:860px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{display:flex;align-items:center;justify-content:space-between;gap:16px;cursor:pointer;list-style:none;
  padding:18px 0;font-family:var(--d);font-weight:700;font-size:1.02rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.5rem;color:var(--orange);line-height:1;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq p{padding:0 0 18px;color:var(--mute);font-size:.96rem;max-width:72ch}

/* ── cierre ── */
.cierre{background:
  radial-gradient(900px 400px at 50% 0%,rgba(46,123,255,.2),transparent 70%),var(--stage);text-align:center}
.cierre h2{font-size:clamp(1.7rem,4.4vw,2.7rem);font-weight:900}
.cierre p{margin:14px auto 0;color:var(--mute);max-width:56ch}
.cierre .herocta{justify-content:center}

/* ── formulario ── */
.form{margin-top:28px;display:grid;gap:15px;max-width:620px}
.form label{display:block;font-size:.88rem;font-weight:600;margin-bottom:6px}
.form input,.form textarea{
  width:100%;background:var(--panel);border:1px solid var(--line);border-radius:12px;
  padding:13px 15px;color:var(--white);font-family:var(--b);font-size:1rem;
}
.form input:focus,.form textarea:focus{border-color:var(--cyan);outline:none}
.form textarea{min-height:140px;resize:vertical}
.form .fila{display:grid;grid-template-columns:1fr 1fr;gap:15px}
@media (max-width:560px){.form .fila{grid-template-columns:1fr}}
.form .trampa{position:absolute;left:-9999px}
.aviso{border-radius:12px;padding:13px 16px;font-size:.93rem;border:1px solid}
.aviso.ok{border-color:rgba(61,220,151,.45);background:rgba(61,220,151,.1);color:var(--ok)}
.aviso.mal{border-color:rgba(255,138,30,.45);background:rgba(255,138,30,.1);color:var(--orange)}

/* ── contenido suelto ── */
.prosa{max-width:70ch;margin-top:22px}
.prosa p+p{margin-top:16px}
.prosa h2{margin-top:30px;font-size:1.5rem}
.prosa h3{margin-top:24px;font-size:1.15rem}
.prosa ul{margin-top:14px;padding-left:20px;color:var(--mute)}
.prosa li+li{margin-top:7px}

/* ── pie ── */
.site-foot{border-top:1px solid var(--line);background:var(--ink)}
.site-foot .wrap{padding-block:34px;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:26px}
.site-foot h4{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--mute);font-weight:700}
.site-foot ul{list-style:none;margin:12px 0 0;padding:0;display:grid;gap:8px}
.site-foot a{color:var(--white);text-decoration:none;font-size:.92rem}
.site-foot a:hover{color:var(--cyan)}
.site-foot .legal{border-top:1px solid var(--line);margin-top:0;padding-block:18px;font-size:.84rem;color:var(--mute);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

/* ── WhatsApp flotante ── */
.wa{
  position:fixed;z-index:60;
  right:calc(18px + env(safe-area-inset-right,0px));
  bottom:calc(18px + env(safe-area-inset-bottom,0px));
  width:58px;height:58px;border-radius:50%;
  background:#25D366;color:#06270F;display:grid;place-items:center;
  box-shadow:0 10px 30px rgba(0,0,0,.45);text-decoration:none;
  transition:transform .18s ease;
}
.wa:hover{transform:scale(1.08)}
.wa svg{width:30px;height:30px;fill:currentColor}