/* ===================================================================
   4DPYMEX — Landing
   Tokens tomados de DESIGN.md (paleta corporativa coral/charcoal).
   Para editar contenido: cada sección está marcada con un comentario
   en mayúsculas (HERO, PROBLEMAS, MODULOS, PRECIO, CONTACTO, etc.).
   =================================================================== */
:root{
  --primary:#ff6b35;        /* coral acción/marca */
  --primary-deep:#ab3500;   /* coral oscuro (texto sobre claro) */
  --primary-soft:#fff1ea;   /* fondo coral muy claro */
  --green:#00b894;          /* éxito / "nuevo" */
  --green-deep:#00795f;
  --ink:#1f2426;            /* títulos */
  --ink-2:#2d3436;
  --muted:#64727a;          /* texto secundario */
  --muted-2:#8a979e;
  --surface:#f6f8f9;        /* fondo de página */
  --white:#ffffff;
  --line:#e4e9ec;           /* bordes */
  --dark:#23282a;           /* banda módulos */
  --dark-2:#2e3437;
  --shadow-sm:0 2px 6px rgba(20,30,35,.05);
  --shadow-md:0 14px 38px -12px rgba(20,30,35,.18);
  --shadow-lg:0 40px 80px -28px rgba(35,20,10,.28);
  --r-sm:8px; --r:14px; --r-lg:22px; --r-pill:999px;
  --max:1200px;
  --font:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{
  font-family:var(--font);color:var(--ink-2);background:var(--surface);
  line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
section{scroll-margin-top:84px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.eyebrow{
  font-size:12.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--primary-deep);margin-bottom:14px;
}
h1,h2,h3{color:var(--ink);letter-spacing:-.02em;line-height:1.1;font-weight:800;text-wrap:balance}
h2{font-size:clamp(28px,3.4vw,42px)}
p{text-wrap:pretty}
.lead{color:var(--muted);font-size:17px}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:var(--font);font-weight:700;font-size:15px;cursor:pointer;
  padding:14px 26px;border-radius:var(--r-sm);border:1.5px solid transparent;
  transition:transform .15s ease, box-shadow .2s ease, background .2s ease;
  white-space:nowrap;
}
.btn svg{width:18px;height:18px}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 22px -8px rgba(255,107,53,.7)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px -10px rgba(255,107,53,.8)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary-deep);transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{transform:translateY(-2px);background:#000}
.btn-block{width:100%}

/* ---------- NAV ---------- */
header.nav{
  position:sticky;top:0;z-index:1000;background:rgba(246,248,249,.82);
  backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid transparent;
  transition:border-color .25s,background .25s,box-shadow .25s;
}
header.nav.scrolled{border-color:var(--line);background:rgba(255,255,255,.9);box-shadow:0 4px 20px -16px rgba(0,0,0,.4)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--ink);letter-spacing:-.02em}
.brand img{height:38px;width:auto}
.brand .b4d{color:var(--primary)}
.nav-links{display:flex;align-items:center;gap:34px}
.nav-links a{font-size:14.5px;font-weight:600;color:var(--muted);transition:color .15s}
.nav-links a:hover{color:var(--ink)}
.nav-cta{display:flex;align-items:center;gap:14px}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.burger span{width:24px;height:2.5px;background:var(--ink);border-radius:2px;transition:.25s}

/* ---------- HERO ---------- */
.hero{position:relative;overflow:hidden;padding:64px 0 90px}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(900px 480px at 88% -8%, rgba(0,184,148,.10), transparent 60%),
    radial-gradient(1100px 620px at 8% -12%, rgba(255,107,53,.16), transparent 58%),
    linear-gradient(180deg,#fff6f1 0%, var(--surface) 70%);
}
.hero-grid{display:grid;grid-template-columns:1.02fr 1fr;gap:56px;align-items:center}
.hero h1{max-width:590px;font-size:clamp(34px,4.6vw,56px);line-height:1.05}
.hero-title-main{display:block;color:var(--primary)}
.hero-title-sub{
  display:block;margin-top:12px;max-width:560px;
  font-size:clamp(23px,2.4vw,34px);line-height:1.18;color:var(--ink);text-align:center;
}
.hero p.lead{margin:22px 0 30px;max-width:520px;font-size:18px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-trust{display:flex;gap:26px;margin-top:26px;flex-wrap:wrap}
.hero-trust span{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--muted)}
.hero-trust svg{width:18px;height:18px;color:var(--green)}
/* mockup */
.hero-shot{position:relative}
.shot-frame{
  border-radius:var(--r-lg);overflow:hidden;background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow-lg);transform:rotate(.5deg);
}
.shot-frame img{width:100%;display:block}
.hero-badge{
  position:absolute;left:-18px;bottom:30px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r);box-shadow:var(--shadow-md);padding:14px 18px;display:flex;gap:12px;align-items:center;
}
.hero-badge .ic{width:40px;height:40px;border-radius:10px;background:var(--primary-soft);display:grid;place-items:center;color:var(--primary-deep)}
.hero-badge .ic svg{width:22px;height:22px}
.hero-badge b{display:block;font-size:14px;color:var(--ink)}
.hero-badge small{color:var(--green-deep);font-weight:700;font-size:12.5px}

/* ---------- section header ---------- */
.sec{padding:84px 0}
.sec-head{text-align:center;max-width:680px;margin:0 auto 52px}
.sec-head p{color:var(--muted);font-size:17px;margin-top:14px}

/* ---------- PROBLEMAS ---------- */
.prob-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.prob-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px 22px;
  box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s,border-color .2s;
}
.prob-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#f0d3c6}
.prob-ic{width:46px;height:46px;border-radius:11px;background:#fdeee7;color:var(--primary-deep);display:grid;place-items:center;margin-bottom:18px}
.prob-ic svg{width:24px;height:24px}
.prob-card h3{font-size:17px;margin-bottom:8px;font-weight:700}
.prob-card p{font-size:14px;color:var(--muted)}

/* ---------- FUNCIONALIDADES (bento) ---------- */
.feat-top{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:end;margin-bottom:40px}
.feat-top p{color:var(--muted);font-size:17px}
.bento{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:1fr;gap:22px}
.tile{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow-sm);display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s;
}
.tile:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.tile-pad{padding:26px 26px 8px}
.tile h3{font-size:19px;margin-bottom:8px}
.tile p{font-size:14.5px;color:var(--muted)}
.tile-shot{margin-top:18px;border-top:1px solid var(--line);overflow:hidden;background:var(--surface)}
.tile-shot img{width:100%;display:block}
.tile-shot.equal img{height:260px;object-fit:cover;object-position:top}
.tile.wide{grid-column:span 2}
.tile.tall .tile-shot img{max-height:280px;object-fit:cover;object-position:top}
/* tile coral */
.tile.coral{background:var(--primary);border-color:var(--primary);color:#fff;justify-content:space-between;position:relative;overflow:hidden}
.tile.coral h3{color:#fff}
.tile.coral p{color:rgba(255,255,255,.92)}
.tile.coral .tile-pad{padding:28px}
.tile.coral a.lnk{display:inline-flex;align-items:center;gap:8px;background:#fff;color:var(--primary-deep);font-weight:700;font-size:14px;padding:11px 18px;border-radius:var(--r-sm);margin:6px 28px 28px;width:max-content}
.tile.coral .ghost-people{position:absolute;right:-30px;bottom:-30px;width:220px;height:220px;opacity:.16;color:#fff}

/* ---------- MODULOS (banda oscura) ---------- */
.modules{background:var(--dark);color:#fff;padding:84px 0}
.modules h2{color:#fff;text-align:center}
.modules .sub{text-align:center;color:#aeb7bb;margin:14px auto 50px;max-width:560px;font-size:16px}
.mod-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:16px}
.mod{
  background:var(--dark-2);border:1px solid #3a4144;border-radius:var(--r);padding:24px 12px;text-align:center;
  transition:transform .2s,border-color .2s,background .2s;cursor:default;
}
.mod:hover{transform:translateY(-5px);border-color:var(--primary);background:#34393c}
.mod-ic{width:48px;height:48px;border-radius:12px;background:#3c4346;display:grid;place-items:center;margin:0 auto 14px;color:var(--primary);transition:background .2s}
.mod:hover .mod-ic{background:var(--primary);color:#fff}
.mod-ic svg{width:24px;height:24px}
.mod b{font-size:14px;color:#fff;font-weight:600;display:block}
.mod small{color:#9aa3a7;font-size:11.5px}

/* ---------- Enfoque ---------- */
.ideal-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.ideal{display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s}
.ideal:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.ideal-ic{flex:0 0 44px;width:44px;height:44px;border-radius:11px;background:var(--primary-soft);color:var(--primary-deep);display:grid;place-items:center}
.ideal-ic svg{width:23px;height:23px}
.ideal h3{font-size:16px;margin-bottom:5px;font-weight:700}
.ideal p{font-size:13.5px;color:var(--muted)}

/* ---------- BENEFICIOS (strip) ---------- */
.benef{background:linear-gradient(180deg,#fff,var(--surface));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.benef-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px 26px}
.benef-item{display:flex;gap:13px;align-items:flex-start}
.benef-item .chk{flex:0 0 26px;width:26px;height:26px;border-radius:50%;background:var(--green);color:#fff;display:grid;place-items:center;margin-top:2px}
.benef-item .chk svg{width:15px;height:15px}
.benef-item b{font-size:15px;color:var(--ink);display:block;margin-bottom:2px}
.benef-item p{font-size:13.5px;color:var(--muted)}

/* ---------- PRECIO ---------- */
.pricing{background:var(--surface)}
.price-card{
  max-width:480px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-md);overflow:hidden;position:relative;
}
.price-top{padding:34px 38px 28px;border-bottom:1px dashed var(--line);position:relative}
.price-flag{position:absolute;top:0;right:0;background:var(--primary-deep);color:#fff;font-size:11px;font-weight:700;letter-spacing:.12em;padding:7px 16px;border-bottom-left-radius:12px}
.price-card h3{font-size:21px;color:var(--primary-deep)}
.price-amt{display:flex;align-items:baseline;gap:8px;margin:10px 0 4px}
.price-amt .n{font-size:46px;font-weight:800;color:var(--ink);letter-spacing:-.03em}
.price-amt .u{font-size:15px;color:var(--muted);font-weight:600}
.price-sub{font-size:13.5px;color:var(--muted-2)}
.price-list{list-style:none;padding:28px 38px 8px;display:grid;gap:14px}
.price-list li{display:flex;gap:11px;align-items:flex-start;font-size:14.5px;color:var(--ink-2)}
.price-list .chk{flex:0 0 22px;width:22px;height:22px;border-radius:50%;background:#e3f7f1;color:var(--green-deep);display:grid;place-items:center;margin-top:1px}
.price-list .chk svg{width:13px;height:13px}
.price-foot{padding:8px 38px 34px}
.price-note{text-align:center;color:var(--muted-2);font-size:13px;margin-top:18px}

/* ---------- CONTACTO ---------- */
.contact{background:linear-gradient(180deg,#fff,#fbf3ef)}
.contact-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:start}
.contact h2{font-size:clamp(28px,3.4vw,40px)}
.contact .lead{margin:18px 0 28px}
.contact-points{display:grid;gap:18px;margin-bottom:28px}
.cp{display:flex;gap:14px;align-items:flex-start}
.cp-ic{flex:0 0 42px;width:42px;height:42px;border-radius:11px;background:var(--primary-soft);color:var(--primary-deep);display:grid;place-items:center}
.cp-ic svg{width:21px;height:21px}
.cp b{display:block;font-size:15px;color:var(--ink)}
.cp p{font-size:13.5px;color:var(--muted)}
.contact-meta{display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--muted);border-top:1px solid var(--line);padding-top:22px}
.contact-meta a{font-weight:600;color:var(--ink-2)}
.contact-meta div{display:flex;align-items:center;gap:10px}
.contact-meta svg{width:17px;height:17px;color:var(--primary)}

.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-md);padding:32px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink-2);margin-bottom:6px}
.field label .req{color:var(--primary)}
.field input,.field select,.field textarea{
  width:100%;font-family:var(--font);font-size:14.5px;color:var(--ink);background:#fff;
  border:1.5px solid var(--line);border-radius:var(--r-sm);padding:12px 14px;transition:border-color .15s,box-shadow .15s;
}
.field textarea{resize:vertical;min-height:96px}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(255,107,53,.12);
}
.field input.err,.field select.err,.field textarea.err{border-color:#e0524b;box-shadow:0 0 0 4px rgba(224,82,75,.1)}
.consent{display:flex;gap:10px;align-items:flex-start;margin:6px 0 18px;font-size:13px;color:var(--muted)}
.consent input{width:17px;height:17px;margin-top:2px;accent-color:var(--primary);flex:0 0 auto}
.recaptcha-slot{margin:4px 0 16px}
.form-feedback{display:none;margin:0 0 16px;padding:12px 14px;border-radius:8px;font-size:14px;line-height:1.45}
.form-feedback.show{display:block}
.form-feedback.ok{background:#e3f7f1;color:var(--green-deep);border:1px solid #b8e7d7}
.form-feedback.err{background:#fff0ee;color:#9f302b;border:1px solid #f0c0ba}
.form-ok{
  display:none;text-align:center;padding:30px 10px;
}
.form-ok .okic{width:60px;height:60px;border-radius:50%;background:#e3f7f1;color:var(--green-deep);display:grid;place-items:center;margin:0 auto 16px}
.form-ok .okic svg{width:30px;height:30px}
.form-ok h3{font-size:21px;margin-bottom:8px}
.form-ok p{color:var(--muted);font-size:14.5px}

/* ---------- FOOTER ---------- */
footer{background:#fff;border-top:1px solid var(--line);padding:56px 0 28px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.foot-brand img{height:42px;margin-bottom:16px}
.foot-brand p{font-size:14px;color:var(--muted);max-width:300px}
.foot-col h4{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted-2);margin-bottom:16px;font-weight:700}
.foot-col a,.foot-col span{display:block;font-size:14px;color:var(--muted);margin-bottom:11px;transition:color .15s}
.foot-col a:hover{color:var(--primary-deep)}
.foot-col .ln{display:flex;align-items:center;gap:9px}
.foot-col .ln svg{width:15px;height:15px;color:var(--primary)}
.foot-bottom{border-top:1px solid var(--line);padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13px;color:var(--muted-2)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- RESPONSIVE ---------- */
@media(max-width:980px){
  .nav-links,.nav-cta .btn{display:none}
  .burger{display:flex}
  .nav-cta{gap:0}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero p.lead{max-width:none}
  .prob-grid{grid-template-columns:1fr 1fr}
  .bento{grid-template-columns:1fr 1fr}
  .tile.wide{grid-column:span 2}
  .mod-grid{grid-template-columns:repeat(4,1fr)}
  .feat-top{grid-template-columns:1fr;gap:10px}
  .ideal-grid{grid-template-columns:1fr 1fr}
  .benef-grid{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr;gap:40px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:600px){
  .wrap{padding:0 18px}
  .sec{padding:60px 0}
  .modules{padding:60px 0}
  .prob-grid,.bento,.tile.wide,.mod-grid,.ideal-grid,.benef-grid,.form-row{grid-template-columns:1fr}
  .tile.wide{grid-column:auto}
  .hero{padding:44px 0 70px}
  .hero-actions .btn{flex:1}
  .foot-grid{grid-template-columns:1fr}
  .form-card{padding:24px 20px}
  .hero-badge{left:8px;padding:11px 14px}
}

/* mobile menu panel */
.mobile-menu{
  position:fixed;inset:72px 0 auto 0;background:#fff;border-bottom:1px solid var(--line);
  box-shadow:var(--shadow-md);padding:18px 24px 26px;display:none;flex-direction:column;gap:4px;z-index:999;
}
.mobile-menu.open{display:flex}
.mobile-menu a{padding:13px 6px;font-weight:600;color:var(--ink-2);border-bottom:1px solid var(--line)}
.mobile-menu .btn{margin-top:14px}

.mod-note{
  max-width: 900px;
  margin: 34px auto 0;
  text-align: center;

  color: #667085;

  font-size: .95rem;
  line-height: 1.75;

  padding: 0 20px;
}