/* ============================================================
   Círculo IA — tema claro
   Paleta: papel #FCFBF8 · tinta navy #0D1C30 · oro #C9A227
   Tipografía: Playfair (display) + Inter (texto)
   ============================================================ */

:root{
  --paper:#FCFBF8;
  --paper-2:#F4F1E8;
  --white:#FFFFFF;
  --ink:#0D1C30;
  --ink-70:rgba(13,28,48,.72);
  --ink-55:rgba(13,28,48,.55);
  --ink-35:rgba(13,28,48,.35);
  --line:rgba(13,28,48,.12);
  --line-soft:rgba(13,28,48,.07);
  --gold:#C9A227;
  --gold-deep:#8a6d12;
  --gold-bright:#e8c766;
  --gold-tint:#F7EFD8;
  --navy-2:#142640;
  --wa:#128c7e;
  --wa-bright:#25d366;
  --red:#c0392b;
  --green:#1e8e5a;
  --radius:16px;
  --shadow-card:0 1px 2px rgba(13,28,48,.05),0 10px 30px -18px rgba(13,28,48,.22);
  --shadow-lift:0 2px 4px rgba(13,28,48,.06),0 18px 44px -18px rgba(13,28,48,.28);
  --font-display:"Playfair","Georgia",serif;
  --font-body:"Inter",system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{list-style:none}
::selection{background:var(--gold);color:var(--ink)}

.wrap{max-width:1160px;margin:0 auto;padding:0 20px}
@media(min-width:640px){.wrap{padding:0 32px}}

/* ---------- tipografía ---------- */
.display{font-family:var(--font-display);font-weight:600;letter-spacing:-.015em;line-height:1.06}
h1.display{font-size:clamp(2.3rem,5.6vw,4rem)}
h2.display{font-size:clamp(1.8rem,3.6vw,2.7rem)}
h3.display{font-size:clamp(1.3rem,2.4vw,1.6rem)}
.gold-i{font-style:italic;color:var(--gold-deep);background:linear-gradient(120deg,var(--gold-deep),var(--gold) 55%,#a5831a);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.lede{font-size:clamp(1.05rem,1.6vw,1.25rem);color:var(--ink-70);line-height:1.65;max-width:44em}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:.72rem;font-weight:600;letter-spacing:.22em;text-transform:uppercase;
  color:var(--gold-deep);
}
.eyebrow::before{content:"";width:26px;height:1px;background:linear-gradient(90deg,transparent,var(--gold))}
.eyebrow.center{justify-content:center}
.eyebrow.center::after{content:"";width:26px;height:1px;background:linear-gradient(90deg,var(--gold),transparent)}

/* ---------- botones ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  border-radius:999px;font-weight:600;font-size:.95rem;
  padding:14px 28px;transition:transform .15s ease,box-shadow .2s ease,background .2s ease,color .2s;
  white-space:nowrap;
}
.btn svg{flex:none}
.btn-gold{
  color:var(--ink);
  background:linear-gradient(135deg,#dcb84a,var(--gold) 45%,#b8901f);
  box-shadow:0 12px 28px -12px rgba(201,162,39,.65),inset 0 1px 0 rgba(255,255,255,.45);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 36px -12px rgba(201,162,39,.75),inset 0 1px 0 rgba(255,255,255,.5)}
.btn-line{border:1.5px solid var(--ink);color:var(--ink);background:transparent}
.btn-line:hover{background:var(--ink);color:var(--paper)}
.btn-line-light{border:1.5px solid rgba(255,255,255,.5);color:#fff;background:transparent}
.btn-line-light:hover{border-color:var(--gold-bright);color:var(--gold-bright)}
.btn-sm{padding:10px 20px;font-size:.87rem}
.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}
.textlink{display:inline-flex;align-items:center;gap:7px;font-weight:600;font-size:.92rem;color:var(--gold-deep);border-bottom:1px solid rgba(138,109,18,.35);padding-bottom:2px;transition:color .2s,border-color .2s}
.textlink:hover{color:var(--ink);border-color:var(--ink)}

/* ---------- header ---------- */
.site-header{
  position:fixed;inset-inline:0;top:0;z-index:60;
  background:rgba(252,251,248,.86);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-soft);
  transition:box-shadow .3s;
}
.site-header.scrolled{box-shadow:0 6px 30px -14px rgba(13,28,48,.25)}
.header-in{height:72px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.logo{display:flex;align-items:center}
.logo img{height:54px;width:auto;display:block}
@media(max-width:520px){.logo img{height:42px}}
.main-nav{display:none;align-items:center;gap:4px}
.main-nav a{
  position:relative;padding:8px 15px;font-size:.9rem;font-weight:500;color:var(--ink-70);
  transition:color .2s;
}
.main-nav a:hover{color:var(--ink)}
.main-nav a.active{color:var(--ink);font-weight:600}
.main-nav a.active::after{
  content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);
  width:26px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--gold-bright),var(--gold));
}
.header-cta{display:none}
.menu-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
}
@media(min-width:1024px){
  .main-nav{display:flex}
  .header-cta{display:inline-flex}
  .menu-btn{display:none}
}
.mobile-nav{display:none;border-top:1px solid var(--line-soft);background:var(--white);padding:14px 20px 22px}
.mobile-nav.open{display:block}
.mobile-nav a{display:block;padding:12px 14px;border-radius:10px;font-size:.95rem;font-weight:500;color:var(--ink-70)}
.mobile-nav a.active{background:var(--gold-tint);color:var(--ink);font-weight:600}
.mobile-nav .btn{width:100%;margin-top:12px}

/* ---------- secciones ---------- */
main{padding-top:72px}
.section{padding:84px 0}
@media(min-width:1024px){.section{padding:110px 0}}
.section-head{max-width:720px;margin-bottom:52px}
.section-head h2{margin-top:16px}
.section-head p{margin-top:16px}
.gold-rule{height:1px;background:linear-gradient(90deg,transparent,rgba(201,162,39,.5),transparent)}

/* ---------- tarjetas ---------- */
.card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-card);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s;
}
.card:hover{border-color:rgba(201,162,39,.5)}
.card-pad{padding:30px}
@media(min-width:640px){.card-pad{padding:36px}}
.icon-chip{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--gold-tint),#fff);
  border:1px solid rgba(201,162,39,.35);color:var(--gold-deep);
}
.check-li{display:flex;align-items:flex-start;gap:10px;font-size:.93rem;color:var(--ink-70)}
.check-li svg{flex:none;margin-top:3px;color:var(--gold-deep)}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:64px 0 90px;
  background:
    radial-gradient(70% 55% at 78% 8%,rgba(201,162,39,.13),transparent 62%),
    radial-gradient(55% 45% at 8% 92%,rgba(13,28,48,.05),transparent 60%),
    var(--paper);
}
.hero-grid-bg{
  position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(13,28,48,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(13,28,48,.045) 1px,transparent 1px);
  background-size:54px 54px;
  -webkit-mask-image:radial-gradient(65% 60% at 60% 20%,#000 25%,transparent 78%);
  mask-image:radial-gradient(65% 60% at 60% 20%,#000 25%,transparent 78%);
}
.hero-in{position:relative;display:grid;gap:56px;align-items:center}
@media(min-width:1024px){.hero-in{grid-template-columns:7fr 5fr}}
.hero h1{margin-top:22px}
.hero .lede{margin-top:22px}
.hero-ctas{margin-top:36px;display:flex;flex-direction:column;gap:12px}
@media(min-width:640px){.hero-ctas{flex-direction:row;align-items:center}}
.hero-trust{margin-top:36px;display:flex;flex-wrap:wrap;gap:12px 26px;font-size:.88rem;color:var(--ink-70)}
.hero-trust span{display:inline-flex;align-items:center;gap:8px}
.hero-trust svg{color:var(--gold-deep)}

/* entrada del hero */
.rise{opacity:0;transform:translateY(22px);animation:rise .8s cubic-bezier(.22,.8,.3,1) forwards}
.rise.d1{animation-delay:.08s}.rise.d2{animation-delay:.18s}.rise.d3{animation-delay:.3s}.rise.d4{animation-delay:.42s}.rise.d5{animation-delay:.55s}
@keyframes rise{to{opacity:1;transform:none}}

/* reveal por scroll */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s cubic-bezier(.22,.8,.3,1)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .rise,.reveal{opacity:1!important;transform:none!important;animation:none!important;transition:none!important}
  .float-soft,.ring-pulse::after{animation:none!important}
}

/* ---------- teléfono / chat demo ---------- */
.phone-stage{position:relative;display:flex;justify-content:center}
.phone-halo{position:absolute;inset:-36px;border-radius:60px;background:radial-gradient(60% 60% at 50% 40%,rgba(201,162,39,.22),transparent 70%);filter:blur(28px);pointer-events:none}
.phone{
  position:relative;width:min(300px,82vw);aspect-ratio:9/18.6;
  border-radius:44px;padding:9px;
  background:linear-gradient(165deg,#22344f,var(--ink) 55%,#08111f);
  box-shadow:0 34px 80px -24px rgba(13,28,48,.55),inset 0 0 0 1px rgba(201,162,39,.35);
}
.phone-screen{
  position:relative;height:100%;border-radius:36px;overflow:hidden;
  background:#0b1a28;display:flex;flex-direction:column;
}
.phone-notch{position:absolute;top:8px;left:50%;transform:translateX(-50%);width:92px;height:20px;border-radius:999px;background:#000;z-index:5}
.chat-topbar{
  display:flex;align-items:center;gap:10px;padding:34px 14px 10px;
  background:rgba(20,35,48,.96);border-bottom:1px solid rgba(255,255,255,.06);
}
.chat-avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--gold-bright),var(--gold-deep));display:grid;place-items:center;font-size:10px;font-weight:700;color:var(--ink)}
.chat-topbar b{display:block;font-size:12px;color:#fff;font-weight:600}
.chat-topbar small{font-size:10px;color:#3ddc84}
.chat-feed{
  flex:1;padding:14px 12px;display:flex;flex-direction:column;gap:8px;overflow:hidden;
  background:
    radial-gradient(circle at 20% 20%,rgba(255,255,255,.02) 0 2px,transparent 2px),
    #0b1a28;
}
.bubble{
  max-width:82%;padding:8px 11px;border-radius:12px;font-size:11.5px;line-height:1.45;color:#fff;
  opacity:0;transform:translateY(10px) scale(.97);
  animation:bubbleIn .45s cubic-bezier(.25,.9,.3,1.2) forwards;
}
@keyframes bubbleIn{to{opacity:1;transform:none}}
.bubble.in-msg{align-self:flex-start;background:#1f2c33;border-top-left-radius:4px}
.bubble.out-msg{align-self:flex-end;color:var(--ink);border-top-right-radius:4px;background:linear-gradient(135deg,var(--gold-bright),var(--gold) 55%,#b8901f)}
.bubble time{display:block;text-align:right;font-size:8px;opacity:.65;margin-top:3px}
.bubble.typing{display:inline-flex;gap:4px;padding:11px 13px;align-self:flex-end;background:linear-gradient(135deg,var(--gold-bright),var(--gold))}
.bubble.typing i{width:6px;height:6px;border-radius:50%;background:rgba(13,28,48,.65);animation:dot 1s infinite ease-in-out}
.bubble.typing i:nth-child(2){animation-delay:.15s}
.bubble.typing i:nth-child(3){animation-delay:.3s}
@keyframes dot{0%,100%{transform:translateY(0)}50%{transform:translateY(-4px)}}
.chat-day{align-self:center;font-size:9px;color:#9db2c4;background:rgba(255,255,255,.06);padding:2px 10px;border-radius:8px}
.chat-inputbar{display:flex;align-items:center;gap:8px;padding:8px 10px 20px;background:rgba(20,35,48,.96)}
.chat-inputbar span{flex:1;background:#22333e;border-radius:999px;padding:7px 14px;font-size:10px;color:#8ba0b3}
.chat-inputbar b{width:28px;height:28px;border-radius:50%;background:var(--gold);display:grid;place-items:center;color:var(--ink)}
.float-soft{animation:floatSoft 5.5s ease-in-out infinite}
@keyframes floatSoft{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}

/* chips de prueba del chat */
.chat-try{margin-top:22px;text-align:center}
.chat-try p{font-size:.8rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-55);margin-bottom:12px}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.chip{
  border:1px solid var(--line);background:var(--white);border-radius:999px;
  padding:9px 16px;font-size:.83rem;font-weight:500;color:var(--ink-70);
  transition:all .2s;box-shadow:var(--shadow-card);
}
.chip:hover{border-color:var(--gold);color:var(--ink);transform:translateY(-1px)}
.chip:disabled{opacity:.45}

/* ---------- feed de reseñas ---------- */
.review-stack{display:flex;flex-direction:column;gap:12px}
.review-card{
  background:var(--white);border:1px solid var(--line);border-radius:14px;
  padding:15px 16px;box-shadow:var(--shadow-card);
}
.review-card.pop{animation:reviewPop .55s cubic-bezier(.2,.9,.3,1.15)}
@keyframes reviewPop{from{opacity:0;transform:translateY(-14px) scale(.96)}to{opacity:1;transform:none}}
.review-top{display:flex;align-items:center;gap:10px}
.review-ava{width:34px;height:34px;border-radius:50%;flex:none;background:linear-gradient(135deg,var(--gold-bright),var(--gold-deep));display:grid;place-items:center;font-size:10px;font-weight:700;color:var(--ink)}
.review-top b{display:block;font-size:.82rem;line-height:1.2}
.review-top small{font-size:.7rem;color:var(--ink-55)}
.stars{display:flex;gap:2px;color:var(--gold);margin-left:auto}
.review-card p{margin-top:8px;font-size:.82rem;color:var(--ink-70);line-height:1.5}
.gbadge{display:inline-flex;align-items:center;gap:8px;font-size:.75rem;font-weight:600;color:var(--ink-55)}

/* ---------- simulador (banda oscura, elemento firma) ---------- */
.sim-band{
  position:relative;overflow:hidden;color:#e9edf3;
  background:
    radial-gradient(70% 60% at 85% 0%,rgba(201,162,39,.14),transparent 60%),
    linear-gradient(180deg,#0a1626,var(--ink) 60%,#0a1626);
}
.sim-band .eyebrow{color:var(--gold-bright)}
.sim-band h2{color:#fff}
.sim-band .lede{color:rgba(233,237,243,.75)}
.sim-shell{
  margin-top:48px;border-radius:22px;overflow:hidden;
  border:1px solid rgba(201,162,39,.28);
  background:rgba(255,255,255,.03);
  box-shadow:0 40px 90px -40px rgba(0,0,0,.8);
}
.sim-top{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;border-bottom:1px solid rgba(255,255,255,.08);
}
.sim-top h3{font-family:var(--font-display);font-size:1.15rem;color:#fff}
.sim-top small{display:block;font-size:.78rem;color:rgba(233,237,243,.55);max-width:38ch}
.sim-top h3+small,.sim-top small{margin-top:2px}
.sim-switch-wrap{display:flex;flex-direction:column;align-items:flex-end}
@media(max-width:640px){.sim-switch-wrap{align-items:flex-start}}
.sim-switch{display:flex;align-items:center;gap:14px;cursor:pointer;background:none;border:0;padding:6px}
.sim-switch span{font-size:.75rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;transition:color .3s}
.sw-off{color:#f0938a}.sw-on{color:rgba(233,237,243,.38)}
.sim-switch.on .sw-off{color:rgba(233,237,243,.38)}
.sim-switch.on .sw-on{color:var(--gold-bright)}

/* riel físico: hundido, con profundidad */
.toggle{
  position:relative;width:82px;height:40px;border-radius:999px;flex:none;
  background:linear-gradient(180deg,#7a2a30,#a23a3f);
  border:1px solid rgba(0,0,0,.35);
  box-shadow:
    inset 0 3px 7px rgba(0,0,0,.55),
    inset 0 -1px 2px rgba(255,255,255,.18),
    0 1px 0 rgba(255,255,255,.08);
  transition:background .4s;
}
/* etiquetas I/O grabadas en el riel */
.toggle::before{
  content:"";position:absolute;top:50%;transform:translateY(-50%);
  transition:opacity .3s;
}
/* la perilla: domo metálico con relieve */
.toggle .knob{
  position:absolute;top:3px;left:3px;width:34px;height:34px;border-radius:50%;
  background:
    radial-gradient(circle at 38% 30%, #ffffff 0%, #f0f0f2 22%, #d0d2d6 55%, #a8abb2 100%);
  box-shadow:
    0 4px 8px rgba(0,0,0,.5),
    0 1px 2px rgba(0,0,0,.4),
    inset 0 2px 2px rgba(255,255,255,.9),
    inset 0 -3px 4px rgba(0,0,0,.28);
  transition:transform .4s cubic-bezier(.34,1.4,.5,1), background .4s;
  display:grid;place-items:center;
}
/* línea de agarre sobre la perilla (textura de botón real) */
.toggle .knob::after{
  content:"";width:13px;height:13px;border-radius:50%;
  background:radial-gradient(circle at 40% 35%, rgba(255,255,255,.6), rgba(0,0,0,.06) 70%);
  box-shadow:inset 0 0 0 1px rgba(0,0,0,.06);
}
/* estado CON: riel dorado */
.sim-switch.on .toggle{
  background:linear-gradient(180deg,#8a6d12,#c9a227);
}
.sim-switch.on .toggle .knob{
  transform:translateX(42px);
  background:radial-gradient(circle at 38% 30%, #fffdf6 0%, #fff4d4 28%, #f0d896 60%, #d4b45a 100%);
}
/* halo sutil solo cuando está sin tocar, para invitar al clic */
.ring-pulse{position:relative}
.ring-pulse::after{
  content:"";position:absolute;inset:-6px;border-radius:999px;
  border:2px solid rgba(201,162,39,.5);
  animation:ringP 2.2s ease-out infinite;pointer-events:none;
}
.sim-switch.on .ring-pulse::after{animation:none;opacity:0}
@keyframes ringP{0%{opacity:.75;transform:scale(1)}80%,100%{opacity:0;transform:scale(1.3)}}

/* pista de uso bajo el interruptor */
.sim-hint{
  display:flex;align-items:center;gap:8px;justify-content:flex-end;
  margin-top:10px;font-size:.76rem;color:rgba(233,237,243,.62);
}
.sim-hint svg{color:var(--gold-bright);flex:none;animation:hintTap 1.8s ease-in-out infinite}
.sim-hint b{color:rgba(233,237,243,.85);font-weight:600}
@keyframes hintTap{0%,100%{transform:translateX(0)}50%{transform:translateX(4px)}}
@media(max-width:640px){.sim-hint{justify-content:flex-start}}
@media(prefers-reduced-motion:reduce){
  .sim-hint svg,.ring-pulse::after{animation:none}
}
.sim-body{display:grid}
@media(min-width:900px){.sim-body{grid-template-columns:1.15fr .85fr}}
.sim-feed{
  padding:22px 24px;min-height:340px;max-height:380px;overflow:hidden;
  display:flex;flex-direction:column;gap:10px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
@media(min-width:900px){.sim-feed{border-bottom:0;border-right:1px solid rgba(255,255,255,.08)}}
.sim-item{
  display:flex;align-items:flex-start;gap:12px;padding:11px 14px;border-radius:12px;
  font-size:.85rem;line-height:1.45;
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.07);
  animation:simIn .5s cubic-bezier(.25,.9,.3,1.1);
}
@keyframes simIn{from{opacity:0;transform:translateX(-16px)}to{opacity:1;transform:none}}
.sim-item b{display:block;font-size:.8rem}
.sim-item small{color:rgba(233,237,243,.55);font-size:.76rem}
.sim-dot{width:9px;height:9px;border-radius:50%;flex:none;margin-top:6px}
.sim-item.lost{border-color:rgba(233,128,116,.35)}
.sim-item.lost .sim-dot{background:#e98074;box-shadow:0 0 10px rgba(233,128,116,.7)}
.sim-item.lost small{color:#e98074}
.sim-item.won{border-color:rgba(201,162,39,.35)}
.sim-item.won .sim-dot{background:var(--gold-bright);box-shadow:0 0 10px rgba(232,199,102,.7)}
.sim-item.won small{color:var(--gold-bright)}
.sim-item.rev{border-color:rgba(61,220,132,.3)}
.sim-item.rev .sim-dot{background:#3ddc84;box-shadow:0 0 10px rgba(61,220,132,.6)}
.sim-item.rev small{color:#3ddc84}
.sim-stats{padding:22px 24px;display:flex;flex-direction:column;gap:14px;justify-content:center}
.sim-stat{
  border-radius:14px;padding:16px 18px;border:1px solid rgba(255,255,255,.09);
  background:rgba(255,255,255,.03);
}
.sim-stat small{font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:rgba(233,237,243,.5)}
.sim-stat strong{display:block;font-family:var(--font-display);font-size:2rem;line-height:1.1;margin-top:4px}
.sim-stat.s-lost strong{color:#e98074}
.sim-stat.s-won strong{color:var(--gold-bright)}
.sim-stat.s-rev strong{color:#3ddc84}
.sim-note{padding:14px 24px 22px;font-size:.78rem;color:rgba(233,237,243,.45);border-top:1px solid rgba(255,255,255,.07)}

/* ---------- calculadora ---------- */
.calc{display:grid;gap:0;overflow:hidden}
@media(min-width:900px){.calc{grid-template-columns:1.05fr .95fr}}
.calc-inputs{padding:32px}
.calc-inputs label{display:block;font-size:.86rem;font-weight:600;margin-bottom:8px}
.calc-field{margin-bottom:26px}
.calc-field output{float:right;font-weight:700;color:var(--gold-deep);font-size:.92rem}
input[type=range]{
  width:100%;height:6px;border-radius:99px;-webkit-appearance:none;appearance:none;
  background:linear-gradient(90deg,var(--gold) var(--fill,50%),rgba(13,28,48,.12) var(--fill,50%));
  outline:none;
}
input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;width:22px;height:22px;border-radius:50%;
  background:var(--white);border:3px solid var(--gold);cursor:pointer;
  box-shadow:0 2px 8px rgba(13,28,48,.25);
}
input[type=range]::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--white);border:3px solid var(--gold);cursor:pointer}
.calc-result{
  background:linear-gradient(165deg,var(--navy-2),var(--ink));color:#fff;
  padding:32px;display:flex;flex-direction:column;justify-content:center;gap:20px;
}
.calc-result small{font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:rgba(255,255,255,.55)}
.calc-big{font-family:var(--font-display);font-size:clamp(2.4rem,5vw,3.4rem);line-height:1;color:var(--gold-bright)}
.calc-line{font-size:.9rem;color:rgba(255,255,255,.75)}
.calc-line b{color:#fff}
.calc-note{font-size:.72rem;color:rgba(255,255,255,.4);line-height:1.5}

/* ---------- grillas genéricas ---------- */
.grid-3{display:grid;gap:20px}
.grid-2{display:grid;gap:20px}
.grid-4{display:grid;gap:18px}
@media(min-width:768px){.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}}
@media(min-width:900px){.grid-2{grid-template-columns:repeat(2,1fr)}}
.big-num{font-family:var(--font-display);font-style:italic;font-size:3rem;line-height:1;color:var(--gold);opacity:.9}

/* pilares */
.pillar{position:relative;overflow:hidden}
.pillar-glow{position:absolute;top:-60px;right:-60px;width:190px;height:190px;border-radius:50%;filter:blur(46px);pointer-events:none}
.pillar .tagchip{font-size:.68rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--gold-deep)}

/* ---------- CTA bandas ---------- */
.cta-band{
  position:relative;overflow:hidden;text-align:center;color:#fff;border-radius:24px;
  background:
    radial-gradient(80% 90% at 50% 0%,rgba(201,162,39,.2),transparent 60%),
    linear-gradient(170deg,var(--navy-2),var(--ink));
  padding:64px 26px;
  box-shadow:0 40px 80px -40px rgba(13,28,48,.6);
}
@media(min-width:768px){.cta-band{padding:80px 60px}}
.cta-band h2{color:#fff;max-width:19em;margin:18px auto 0}
.cta-band p{color:rgba(255,255,255,.72);max-width:36em;margin:16px auto 0}
.cta-band .hero-ctas{justify-content:center;margin-top:32px}
.cta-band .eyebrow{color:var(--gold-bright)}

/* ---------- precios ---------- */
.plan-grid{display:grid;gap:22px;align-items:stretch}
@media(min-width:1024px){.plan-grid{grid-template-columns:repeat(3,1fr)}}
.plan{position:relative;display:flex;flex-direction:column;padding:32px 28px}
.plan.hot{border-color:rgba(201,162,39,.65);box-shadow:0 0 0 1px rgba(201,162,39,.35),var(--shadow-lift)}
@media(min-width:1024px){.plan.hot{transform:scale(1.025)}}
.plan-badge{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  display:inline-flex;align-items:center;gap:6px;white-space:nowrap;
  background:linear-gradient(135deg,var(--gold-bright),var(--gold));color:var(--ink);
  font-size:.64rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;
  padding:7px 14px;border-radius:999px;box-shadow:0 8px 20px -8px rgba(201,162,39,.8);
}
.plan .tagchip{font-size:.68rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--gold-deep)}
.plan h3{font-family:var(--font-display);font-size:1.45rem;margin-top:8px}
.plan .promise{margin-top:8px;font-size:.9rem;color:var(--ink-70);min-height:2.8em}
.plan-price{margin-top:20px;padding-bottom:20px;border-bottom:1px solid var(--line-soft)}
.plan-price strong{font-family:var(--font-display);font-size:2.7rem;letter-spacing:-.02em}
.plan-price span{font-size:.85rem;color:var(--ink-55)}
.plan-price em{display:block;font-style:normal;font-size:.75rem;color:var(--gold-deep);margin-top:6px;font-weight:600}
.plan ul{margin-top:20px;display:flex;flex-direction:column;gap:11px;flex:1}
.plan .btn{margin-top:26px;width:100%}
.plan.dim{opacity:.55;transform:scale(.985)}
.plan.reco{border-color:var(--gold);box-shadow:0 0 0 2px rgba(201,162,39,.4),var(--shadow-lift)}

/* selector de plan */
.selector{padding:32px}
.selector h3{font-family:var(--font-display);font-size:1.4rem}
.selq{margin-top:22px}
.selq p{font-size:.9rem;font-weight:600;margin-bottom:10px}
.selq .chip-row{justify-content:flex-start}
.chip.sel{background:var(--ink);color:#fff;border-color:var(--ink)}
.sel-result{
  margin-top:26px;padding:20px;border-radius:14px;display:none;
  background:var(--gold-tint);border:1px solid rgba(201,162,39,.4);
}
.sel-result.show{display:block;animation:reviewPop .5s cubic-bezier(.2,.9,.3,1.1)}
.sel-result b{font-family:var(--font-display);font-size:1.15rem}
.sel-result p{font-size:.88rem;color:var(--ink-70);margin-top:6px}
.sel-result .btn{margin-top:16px}

/* tabla comparativa */
.cmp{overflow-x:auto}
.cmp table{width:100%;border-collapse:collapse;min-width:620px;font-size:.88rem}
.cmp th,.cmp td{padding:15px 16px;border-bottom:1px solid var(--line-soft);text-align:center}
.cmp th:first-child,.cmp td:first-child{text-align:left;color:var(--ink-70)}
.cmp thead th{font-weight:600;border-bottom:1px solid var(--line)}
.cmp .hotcol{background:var(--gold-tint)}
.cmp thead .hotcol{color:var(--gold-deep);font-weight:700}
.cmp .yes{color:var(--gold-deep)}
.cmp .no{color:var(--ink-35)}

/* FAQ */
.faq{max-width:760px;margin:0 auto}
.faq details{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:20px 22px;box-shadow:var(--shadow-card)}
.faq details+details{margin-top:12px}
.faq summary{display:flex;align-items:center;justify-content:space-between;gap:14px;cursor:pointer;font-weight:600;font-size:.97rem;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.4rem;color:var(--gold-deep);transition:transform .25s;line-height:1}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin-top:12px;font-size:.9rem;color:var(--ink-70)}

/* ---------- proceso (cómo funciona) ---------- */
.step-row{display:grid;gap:22px;padding:34px 30px;align-items:start}
@media(min-width:900px){.step-row{grid-template-columns:220px 1fr;gap:44px}}
.step-row+.step-row{margin-top:20px}
.step-id{display:flex;align-items:center;gap:18px}
.step-bullets{margin-top:18px;display:grid;gap:10px}
@media(min-width:768px){.step-bullets{grid-template-columns:repeat(3,1fr)}}

/* timeline días */
.days{display:flex;align-items:center;gap:0;margin-top:44px;overflow-x:auto;padding-bottom:8px}
.day{flex:1;min-width:120px;text-align:center;position:relative}
.day::before{content:"";position:absolute;top:9px;left:0;right:0;height:2px;background:var(--line)}
.day:first-child::before{left:50%}
.day:last-child::before{right:50%}
.day i{position:relative;z-index:1;display:inline-block;width:20px;height:20px;border-radius:50%;background:var(--white);border:3px solid var(--gold)}
.day b{display:block;font-size:.8rem;margin-top:10px}
.day small{font-size:.72rem;color:var(--ink-55)}

/* ---------- formulario ---------- */
.field label{display:block;font-size:.86rem;font-weight:600;margin-bottom:8px}
.field input,.field textarea{
  width:100%;background:var(--white);border:1px solid var(--line);border-radius:12px;
  padding:13px 15px;font:inherit;font-size:.92rem;color:var(--ink);
  transition:border-color .2s,box-shadow .2s;
}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(201,162,39,.18)}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-35)}
.form-grid{display:grid;gap:18px}
@media(min-width:640px){.form-grid{grid-template-columns:1fr 1fr}}
.topic-chip{position:relative}
.topic-chip input{position:absolute;opacity:0;pointer-events:none}
.topic-chip span{
  display:inline-block;border:1px solid var(--line);border-radius:999px;
  padding:9px 16px;font-size:.82rem;font-weight:500;color:var(--ink-70);cursor:pointer;transition:all .2s;
}
.topic-chip input:checked+span{background:var(--ink);color:#fff;border-color:var(--ink)}
.topic-chip:hover span{border-color:var(--gold)}
.form-alert{display:flex;gap:10px;align-items:flex-start;border-radius:12px;padding:14px 16px;font-size:.88rem}
.form-alert.ok{background:rgba(30,142,90,.1);border:1px solid rgba(30,142,90,.35);color:var(--green)}
.form-alert.err{background:rgba(192,57,43,.08);border:1px solid rgba(192,57,43,.3);color:var(--red)}
.form-alert a{text-decoration:underline;text-underline-offset:2px}

/* tarjetas de contacto */
.contact-card{display:flex;gap:16px;align-items:flex-start;padding:22px}
.contact-card small{display:block;font-size:.78rem;color:var(--ink-55)}
.contact-card b{font-size:.98rem}
.wa-chip{width:46px;height:46px;border-radius:13px;flex:none;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,var(--wa-bright),var(--wa))}

/* ---------- footer ---------- */
.site-footer{margin-top:100px;border-top:1px solid var(--line-soft);background:var(--white)}
.footer-rule{height:1px;background:linear-gradient(90deg,transparent,rgba(201,162,39,.55),transparent)}
.footer-in{padding:60px 0 30px}
.footer-grid{display:grid;gap:40px}
@media(min-width:900px){.footer-grid{grid-template-columns:5fr 3fr 4fr}}
.footer-grid h4{font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--gold-deep);margin-bottom:16px}
.footer-grid p,.footer-grid li{font-size:.88rem;color:var(--ink-70)}
.footer-grid li+li{margin-top:10px}
.footer-grid a:hover{color:var(--gold-deep)}
.footer-base{margin-top:44px;padding-top:22px;border-top:1px solid var(--line-soft);display:flex;flex-direction:column;gap:8px;font-size:.78rem;color:var(--ink-55)}
@media(min-width:640px){.footer-base{flex-direction:row;justify-content:space-between}}

/* ---------- FAB WhatsApp ---------- */
.wa-fab{
  position:fixed;bottom:20px;right:20px;z-index:70;
  width:56px;height:56px;border-radius:50%;display:grid;place-items:center;color:#fff;
  background:linear-gradient(135deg,var(--wa-bright),var(--wa));
  box-shadow:0 12px 30px -8px rgba(18,140,126,.6),0 0 0 4px rgba(252,251,248,.9);
}
.wa-fab::after{
  content:"";position:absolute;inset:-4px;border-radius:50%;
  border:2px solid rgba(37,211,102,.5);animation:ringP 2.4s ease-out infinite;
}

/* utilitarios */
.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mt-3{margin-top:24px}.mt-4{margin-top:32px}.mt-5{margin-top:44px}.mt-6{margin-top:60px}
.center{text-align:center}
.muted{color:var(--ink-55)}
.small{font-size:.85rem}

/* ---- Video embed (carga diferida) ---- */
.video-embed{position:relative;width:100%;max-width:860px;margin:0 auto;aspect-ratio:16/9;border-radius:18px;overflow:hidden;border:1px solid var(--line);box-shadow:0 24px 60px -30px rgba(13,28,48,.45);background:var(--ink)}
.video-frame{position:absolute;inset:0;width:100%;height:100%;border:0}
.video-poster{position:absolute;inset:0;width:100%;height:100%;border:0;cursor:pointer;display:grid;place-items:center;gap:14px;background:linear-gradient(135deg,#0D1C30,#142640 55%,#0D1C30);transition:filter .25s}
.video-poster:hover{filter:brightness(1.08)}
.video-play{width:74px;height:74px;border-radius:50%;display:grid;place-items:center;color:var(--ink);background:linear-gradient(135deg,var(--gold-bright),var(--gold) 55%,var(--gold-deep));box-shadow:0 12px 30px -8px rgba(0,0,0,.5);padding-left:4px;transition:transform .2s}
.video-poster:hover .video-play{transform:scale(1.06)}
.video-label{color:rgba(255,255,255,.85);font-weight:500;font-size:.95rem}

/* ---- Páginas legales ---- */
.legal-doc{max-width:760px;margin:0 auto}
.legal-block{padding:22px 0;border-bottom:1px solid var(--line-soft)}
.legal-block:last-of-type{border-bottom:0}
.legal-block h2{font-size:1.12rem;margin-bottom:10px}
.legal-block p{font-size:.94rem;color:var(--ink-70);line-height:1.7}
.legal-block p+p{margin-top:12px}
.legal-block a{color:var(--gold-deep);border-bottom:1px solid rgba(138,109,18,.35)}
.legal-block a.btn{border-bottom:0}
.legal-updated{margin-top:26px;font-size:.82rem;color:var(--ink-35)}
.faq-group .eyebrow{display:inline-flex}
.faq-group .faq details a{color:var(--gold-deep);border-bottom:1px solid rgba(138,109,18,.35)}