/* ============================================================
   VERTIX · SISTEMA BASE
   Una sola marca para todo el sitio: marfil cálido, vidrio líquido
   y un solo acento (ember). Todas las páginas cargan este archivo;
   los CSS de página solo agregan lo que es realmente propio.
   ============================================================ */

/* ── Tokens ─────────────────────────────────────────────── */
:root{
  --bg:#f7f4ef;
  --bg-2:#efeae2;
  --ink:#16140f;
  --ink-2:#3b3833;
  --mute:#6b665e;
  --line:rgba(22,20,15,.09);
  --line-2:rgba(22,20,15,.16);

  --accent:#e8572a;          /* ember: rellenos, puntos, detalles */
  --accent-ink:#b83f14;      /* ember para texto (AA sobre --bg) */
  --accent-soft:rgba(232,87,42,.12);
  --ember-1:#f0692f;         /* palabra destacada: base */
  --ember-2:#f98545;         /* palabra destacada: tono claro */
  --ember-hi:#ffc9a2;        /* palabra destacada: brillo */

  --peach:#ffd8c2;
  --lav:#dcd6ff;
  --sky:#cfe6f4;

  --glass:rgba(255,255,255,.52);
  --glass-strong:rgba(255,255,255,.74);
  --glass-edge:rgba(255,255,255,.82);
  --glass-shadow:0 1px 0 rgba(255,255,255,.9) inset, 0 -1px 0 rgba(22,20,15,.03) inset, 0 10px 40px -12px rgba(60,40,20,.14), 0 2px 6px rgba(60,40,20,.04);
  --lift-shadow:0 1px 0 rgba(255,255,255,.9) inset, 0 26px 56px -22px rgba(60,40,20,.26), 0 2px 6px rgba(60,40,20,.05);

  --f-display:'Bricolage Grotesque',system-ui,-apple-system,'Segoe UI',sans-serif;
  --f-ui:'Figtree',system-ui,-apple-system,'Segoe UI',sans-serif;

  --r-sm:12px; --r-md:20px; --r-lg:28px; --r-xl:36px; --r-pill:999px;
  --wrap:1200px;
  --gut:clamp(16px,4vw,40px);
  --ease:cubic-bezier(.2,.7,.2,1);
  --nav-h:60px;
}

/* ── Reset ──────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font:400 17px/1.6 var(--f-ui);
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img,picture,svg,video{display:block;max-width:100%}
img{height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul{padding:0;list-style:none}
::selection{background:var(--accent);color:#fff}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{position:absolute;left:16px;top:-60px;z-index:100;background:var(--ink);color:#fff;padding:10px 16px;border-radius:var(--r-pill);font-weight:600}
.skip:focus{top:16px}

/* Luz ambiental: lo que el vidrio refracta */
.ambient{position:fixed;inset:0;z-index:-1;pointer-events:none;overflow:hidden}
.ambient i{position:absolute;border-radius:50%;filter:blur(90px);opacity:.72}
.ambient i:nth-child(1){width:52vw;height:52vw;left:-12vw;top:-18vw;background:var(--lav)}
.ambient i:nth-child(2){width:44vw;height:44vw;right:-10vw;top:8vh;background:var(--peach)}
.ambient i:nth-child(3){width:40vw;height:40vw;left:30vw;bottom:-22vw;background:var(--sky)}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}

/* ── Vidrio ─────────────────────────────────────────────── */
.glass{
  background:var(--glass);
  -webkit-backdrop-filter:blur(22px) saturate(170%);
  backdrop-filter:blur(22px) saturate(170%);
  border:1px solid var(--glass-edge);
  box-shadow:var(--glass-shadow);
}
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){
  .glass{background:rgba(255,255,255,.9)}
}

/* ── Tipografía ─────────────────────────────────────────── */
.display{font-family:var(--f-display);font-weight:600;letter-spacing:-.035em;line-height:1.02;text-wrap:balance}
/* Palabra destacada: ember claro en degradado, con un brillo que la recorre
   cada tanto y un resplandor cálido, como luz atravesando el vidrio.
   Los bordes del degradado son del mismo tono, así el bucle no salta. */
.display em,.ember{
  font-style:normal;
  color:var(--ember-2);
  background:linear-gradient(100deg,var(--ember-1) 0%,var(--ember-2) 36%,var(--ember-hi) 50%,var(--ember-2) 64%,var(--ember-1) 100%);
  background-size:260% 100%;background-position:100% 0;
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
  -webkit-box-decoration-break:clone;box-decoration-break:clone;
  /* el tracking negativo saca la última letra de la caja y el clip la corta */
  padding-right:.08em;margin-right:-.08em;
  filter:drop-shadow(0 8px 24px rgba(247,122,60,.24));
  animation:ember-sheen 7s var(--ease) 1.2s infinite;
}
@keyframes ember-sheen{
  0%{background-position:100% 0}
  24%,100%{background-position:0% 0}
}
.h1{font-size:clamp(44px,7.2vw,96px)}
.h2{font-size:clamp(34px,4.6vw,60px)}
.h3{font-size:clamp(22px,2.1vw,28px);line-height:1.14;letter-spacing:-.025em}
.lead{font-size:clamp(17px,1.5vw,20px);color:var(--ink-2);max-width:36em}
.muted{color:var(--mute)}
.prose p+p{margin-top:16px}
.prose strong{color:var(--ink);font-weight:600}

/* ── Nav ────────────────────────────────────────────────── */
.nav{position:fixed;top:14px;left:0;right:0;z-index:50;padding:0 var(--gut)}
.nav-in{
  position:relative;max-width:var(--wrap);margin:0 auto;height:var(--nav-h);border-radius:var(--r-pill);
  display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 8px 0 22px;
  transition:box-shadow .3s var(--ease),background .3s;
}
.nav.scrolled .nav-in{background:var(--glass-strong)}
.brand{display:flex;align-items:center;flex-shrink:0}
.brand img{height:18px;width:auto;filter:brightness(0)}
.nav-links{display:flex;gap:2px;font:500 15px/1 var(--f-ui)}
.nav-links a{padding:10px 14px;border-radius:var(--r-pill);color:var(--ink-2);transition:background .2s,color .2s}
.nav-links a:hover{background:rgba(255,255,255,.75);color:var(--ink)}
.nav-links a[aria-current="page"]{color:var(--ink);background:rgba(255,255,255,.8);box-shadow:0 1px 3px rgba(22,20,15,.06)}
/* Píldora deslizante: una sola cápsula de vidrio que viaja entre ítems (la crea site.js) */
.nav-links.has-pill{position:relative}
.nav-links.has-pill a{position:relative;z-index:1;transition:color .35s var(--ease)}
.nav-links.has-pill a:hover,.nav-links.has-pill a[aria-current="page"]{background:none;box-shadow:none}
.nav-links.has-pill.is-hover a{color:var(--mute)}
.nav-links.has-pill.is-hover a.is-on{color:var(--ink)}
.nav-pill{
  position:absolute;top:0;left:0;height:100%;border-radius:var(--r-pill);pointer-events:none;opacity:0;
  background:rgba(255,255,255,.85);box-shadow:0 1px 3px rgba(22,20,15,.06),0 6px 18px -8px rgba(60,40,20,.18);
  transition:transform .5s cubic-bezier(.16,1,.3,1),width .5s cubic-bezier(.16,1,.3,1),opacity .3s var(--ease);
}
.nav-pill.on{opacity:1}
@media (prefers-reduced-motion:reduce){.nav-pill{transition:opacity .2s}}
.nav-toggle{display:none;width:44px;height:44px;border-radius:50%;border:0;background:transparent;cursor:pointer;position:relative}
.nav-toggle span{position:absolute;left:13px;width:18px;height:1.5px;background:var(--ink);transition:transform .3s var(--ease),top .3s var(--ease)}
.nav-toggle span:first-child{top:18px}
.nav-toggle span:last-child{top:25px}
.nav.open .nav-toggle span:first-child{top:21.5px;transform:rotate(45deg)}
.nav.open .nav-toggle span:last-child{top:21.5px;transform:rotate(-45deg)}
.nav-drawer{
  display:none;position:absolute;left:0;right:0;top:calc(100% + 10px);border-radius:var(--r-lg);padding:10px;
  background:rgba(251,249,246,.97);
}
.nav .nav-drawer{background:rgba(251,249,246,.97)}
.nav-drawer a:not(.btn){display:flex;justify-content:space-between;align-items:center;padding:15px 16px;border-radius:var(--r-md);font:500 18px/1 var(--f-ui)}
.nav-drawer a:not(.btn):hover,.nav-drawer a[aria-current="page"]{background:rgba(22,20,15,.05)}
.nav-drawer a span{color:var(--mute);font-size:15px}
.nav-drawer .btn{width:100%;justify-content:center;margin-top:8px}

/* ── Botones ────────────────────────────────────────────── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;height:50px;padding:0 24px;border-radius:var(--r-pill);
  font:600 15.5px/1 var(--f-ui);letter-spacing:-.005em;border:0;cursor:pointer;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s,background .2s;
}
.btn-sm{height:44px;padding:0 18px;font-size:14.5px}
.btn-primary{background:var(--ink);color:#fff;box-shadow:0 1px 0 rgba(255,255,255,.18) inset,0 8px 20px -8px rgba(22,20,15,.5)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 1px 0 rgba(255,255,255,.18) inset,0 12px 26px -8px rgba(22,20,15,.55)}
.btn-glass{color:var(--ink)}
.btn-glass:hover{background:var(--glass-strong);transform:translateY(-1px)}
.btn .arr{transition:transform .2s var(--ease)}
.btn:hover .arr{transform:translateX(3px)}
.actions{display:flex;gap:12px;flex-wrap:wrap}
.text-link{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--ink)}
.text-link .arr{transition:transform .2s var(--ease)}
.text-link:hover .arr{transform:translateX(3px)}
a.inline{color:var(--accent-ink);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}

/* ── Secciones ──────────────────────────────────────────── */
.section{padding:clamp(72px,9vw,120px) 0}
.section-tight{padding:clamp(48px,6vw,80px) 0}
.sec-head{display:flex;justify-content:space-between;align-items:end;gap:32px 48px;margin-bottom:clamp(36px,4vw,56px)}
.sec-head .lead,.sec-head>p{max-width:28em;color:var(--mute);font-size:17px}
.sec-head.stack{flex-direction:column;align-items:flex-start}
.sec-head.center{flex-direction:column;align-items:center;text-align:center}
.sec-head.center>p{margin:0 auto}

/* Hero de página */
.page-hero{padding:clamp(140px,16vw,190px) 0 clamp(40px,6vw,72px)}
.page-hero .lead{margin:26px 0 36px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-visual{position:relative}
.frame{border-radius:var(--r-lg);padding:10px}
.frame img{border-radius:calc(var(--r-lg) - 8px);width:100%;object-fit:cover}
.chip{position:absolute;border-radius:var(--r-md);padding:14px 18px;font:500 14px/1.35 var(--f-ui);color:var(--ink-2)}
.chip b{display:block;font:600 15px/1.3 var(--f-ui);color:var(--ink)}

/* ── Grillas y tarjetas ─────────────────────────────────── */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{border-radius:var(--r-lg);padding:clamp(24px,2.6vw,32px);display:flex;flex-direction:column}
.card p{color:var(--mute);margin-top:12px;font-size:16px}
.card .num{font:500 14px/1 var(--f-ui);color:var(--accent-ink);margin-bottom:clamp(28px,4vw,44px);display:block}
a.card,.card.hover{transition:transform .35s var(--ease),box-shadow .35s var(--ease)}
a.card:hover,.card.hover:hover{transform:translateY(-4px);box-shadow:var(--lift-shadow)}

.media-card{border-radius:var(--r-lg);padding:10px 10px 26px;display:flex;flex-direction:column;transition:transform .35s var(--ease),box-shadow .35s var(--ease)}
.media-card:hover{transform:translateY(-4px);box-shadow:var(--lift-shadow)}
.media-card .img{border-radius:calc(var(--r-lg) - 8px);overflow:hidden;aspect-ratio:5/4;margin-bottom:22px;background:var(--bg-2)}
.media-card .img img{width:100%;height:100%;object-fit:cover;object-position:center 30%;transition:transform .6s var(--ease)}
.media-card:hover .img img{transform:scale(1.04)}
.media-card .body{padding:0 16px;display:flex;flex-direction:column;flex:1}
.media-card p{color:var(--mute);margin:12px 0 22px;font-size:16px}
.media-card .text-link{margin-top:auto}

/* Lista con check */
.checks{display:grid;gap:12px;margin-top:20px}
.checks li{display:flex;gap:12px;align-items:flex-start;color:var(--ink-2);font-size:16px;line-height:1.5}
.checks li::before{content:"";flex:none;width:18px;height:18px;margin-top:2px;border-radius:50%;background:var(--accent-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23b83f14' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 12.5 4 4 8-9'/%3E%3C/svg%3E") center/11px no-repeat}
.checks li.off{color:var(--mute)}
.checks li.off::before{background:rgba(22,20,15,.06) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236b665e' stroke-width='3' stroke-linecap='round'%3E%3Cpath d='M7 12h10'/%3E%3C/svg%3E") center/10px no-repeat}
.checks.x li::before{background:rgba(22,20,15,.06) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236b665e' stroke-width='3' stroke-linecap='round'%3E%3Cpath d='M8 8l8 8M16 8l-8 8'/%3E%3C/svg%3E") center/10px no-repeat}

/* Cifras */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.stat{border-radius:var(--r-lg);padding:28px}
.stat b{display:block;font:600 clamp(36px,4vw,52px)/1 var(--f-display);letter-spacing:-.04em}
.stat span{display:block;margin-top:10px;color:var(--mute);font-size:15px}

/* ── FAQ (details nativo) ───────────────────────────────── */
.faq{max-width:860px;margin:0 auto;display:grid;gap:12px}
.faq details{border-radius:var(--r-md);overflow:hidden}
.faq summary{
  list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:20px;
  padding:22px 24px;font:600 17px/1.35 var(--f-ui);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";flex:none;width:30px;height:30px;border-radius:50%;background:rgba(22,20,15,.05) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2316140f' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M12 6v12M6 12h12'/%3E%3C/svg%3E") center/14px no-repeat;
  transition:transform .3s var(--ease);
}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .ans{padding:0 24px 24px;color:var(--ink-2);font-size:16px;max-width:44em}
.faq .ans p+p{margin-top:12px}

/* ── CTA final ──────────────────────────────────────────── */
.cta{border-radius:var(--r-xl);padding:clamp(40px,6vw,80px);text-align:center}
.cta .lead{margin:22px auto 34px}
.cta .actions{justify-content:center}
.cta .note{margin-top:22px;color:var(--mute);font-size:15px}

/* ── Formularios ────────────────────────────────────────── */
.form{display:grid;gap:16px}
.form-row{display:grid;grid-template-columns:110px 1fr;gap:12px}
.field{display:grid;gap:8px}
.field label{font:500 14px/1 var(--f-ui);color:var(--ink-2)}
.field input,.field select,.field textarea{
  width:100%;font:400 16px/1.4 var(--f-ui);color:var(--ink);
  background:rgba(255,255,255,.7);border:1px solid var(--line-2);border-radius:var(--r-sm);padding:13px 14px;
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.field textarea{resize:vertical;min-height:110px}
.field input:focus,.field select:focus,.field textarea:focus{outline:0;border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft);background:#fff}
.form .btn{justify-self:start}
.form-status{font-size:14px;color:var(--mute);min-height:1em}

/* ── Footer ─────────────────────────────────────────────── */
.footer{padding:24px 0 48px}
.footer-in{border-radius:var(--r-xl);padding:clamp(28px,4vw,48px);display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.footer .brand img{height:20px}
.footer-claim{margin-top:18px;color:var(--mute);max-width:24em;font-size:15.5px}
.footer h4{font:600 14px/1 var(--f-ui);color:var(--ink);margin-bottom:16px}
.footer ul{display:grid;gap:10px;font-size:15px;color:var(--ink-2)}
.footer ul a:hover{color:var(--accent-ink)}
.footer-base{max-width:var(--wrap);margin:20px auto 0;padding:0 calc(var(--gut) + 8px);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--mute);font-size:14px}
.social{display:flex;gap:8px;margin-top:22px}
.social a{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.7);border:1px solid var(--glass-edge);transition:transform .2s,background .2s}
.social a:hover{transform:translateY(-2px);background:#fff}
.social svg{width:17px;height:17px}

/* WhatsApp flotante */
.wa-float{position:fixed;right:18px;bottom:18px;z-index:40;width:56px;height:56px;border-radius:50%;display:grid;place-items:center;color:#fff;background:#1fa855;box-shadow:0 12px 28px -10px rgba(31,168,85,.6),0 1px 0 rgba(255,255,255,.3) inset;transition:transform .2s var(--ease)}
.wa-float:hover{transform:translateY(-2px) scale(1.03)}
.wa-float svg{width:26px;height:26px}

/* ── Reveal ─────────────────────────────────────────────── */
.rv{opacity:0;transform:translateY(18px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.rv.in{opacity:1;transform:none}
.no-js .rv{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .rv{opacity:1;transform:none;transition:none}
  *,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}
}

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:960px){
  .nav-links,.nav-in>.nav-cta{display:none}
  .nav-toggle{display:block}
  .nav.open .nav-drawer{display:block}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .grid-3,.stats{grid-template-columns:1fr}
  .sec-head{flex-direction:column;align-items:flex-start}
  .footer-in{grid-template-columns:1fr 1fr}
  .footer-in>div:first-child{grid-column:1/-1}
}
@media (max-width:640px){
  body{font-size:16px}
  .grid-2,.grid-4{grid-template-columns:1fr}
  .actions .btn{flex:1 1 auto}
  .footer-in{grid-template-columns:1fr}
  .wa-float{width:52px;height:52px;right:14px;bottom:14px}
  .faq summary{padding:18px 18px;font-size:16px}
  .faq .ans{padding:0 18px 20px}
}