/* ============================================================
   Quencia — sistema de estilos
   Paleta cálida: terracota / ámbar / crema
   ============================================================ */
:root{
  --terracota:#C75B39;
  --terracota-d:#A8462A;
  --ambar:#E8A14B;
  --ambar-d:#CC832F;
  --crema:#FBF3E8;
  --crema-2:#F4E7D5;
  --carbon:#2B2622;
  --carbon-soft:#5A5048;
  --linea:#E7D9C6;
  --blanco:#FFFFFF;
  --ok:#2A9D8F;
  --radius:14px;
  --radius-lg:22px;
  --shadow:0 10px 30px rgba(43,38,34,.08);
  --shadow-soft:0 4px 14px rgba(43,38,34,.06);
  --maxw:1120px;
  --font-head:"Poppins",system-ui,Segoe UI,Roboto,sans-serif;
  --font-body:"Inter",system-ui,Segoe UI,Roboto,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--carbon);
  background:var(--crema);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:var(--font-head);font-weight:600;line-height:1.2;margin:0 0 .5em}
h1{font-size:clamp(2rem,5vw,3.2rem)}
h2{font-size:clamp(1.6rem,3.5vw,2.3rem)}
h3{font-size:1.25rem}
p{margin:0 0 1rem}
a{color:var(--terracota);text-decoration:none}
a:hover{color:var(--terracota-d)}
img{max-width:100%;display:block}
.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.muted{color:var(--carbon-soft)}
.center{text-align:center}
.eyebrow{
  display:inline-block;font-family:var(--font-head);font-weight:600;
  font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--terracota);background:var(--crema-2);
  padding:.35em .8em;border-radius:999px;margin-bottom:1rem;
}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.5em;
  font-family:var(--font-head);font-weight:600;font-size:.98rem;
  padding:.8em 1.4em;border-radius:999px;border:2px solid transparent;
  cursor:pointer;transition:.18s ease;white-space:nowrap;
}
.btn-primary{background:var(--terracota);color:#fff}
.btn-primary:hover{background:var(--terracota-d);color:#fff;transform:translateY(-1px)}
.btn-outline{background:transparent;color:var(--carbon);border-color:var(--linea)}
.btn-outline:hover{border-color:var(--terracota);color:var(--terracota)}
.btn-lg{padding:1em 1.8em;font-size:1.05rem}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(251,243,232,.9);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--linea);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px}
.logo{display:flex;align-items:center;}
.logo img{height:38px;width:auto;display:block;}
.nav-links{display:flex;align-items:center;gap:28px;list-style:none;margin:0;padding:0}
.nav-links a{font-family:var(--font-head);font-weight:500;color:var(--carbon);font-size:.97rem}
.nav-links a:hover,.nav-links a.active{color:var(--terracota)}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:6px}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--carbon);margin:5px 0;transition:.2s}

/* ---------- Hero ---------- */
.hero{padding:72px 0 64px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero h1{margin-bottom:.4em}
.hero p.lead{font-size:1.15rem;color:var(--carbon-soft);max-width:34ch}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:1.6rem}

.mockup-img{
  max-width:100%;
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  display:block;
  margin:0 auto;
}

/* ---------- Secciones ---------- */
.section{padding:64px 0}
.section.alt{background:var(--blanco)}
.section-head{max-width:60ch;margin:0 auto 40px;text-align:center}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:32px;align-items:center}
.card{
  background:var(--blanco);border:1px solid var(--linea);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow-soft);
}
.card .ic{
  width:48px;height:48px;border-radius:12px;background:var(--crema-2);
  display:grid;place-items:center;color:var(--terracota);margin-bottom:16px;
}
.card h3{margin-bottom:.4em}
.card p{margin:0;color:var(--carbon-soft)}

/* ---------- Pasos ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.step{position:relative;padding-top:8px}
.step .num{
  width:40px;height:40px;border-radius:50%;background:var(--terracota);color:#fff;
  display:grid;place-items:center;font-family:var(--font-head);font-weight:700;margin-bottom:14px;
}
.step h3{font-size:1.08rem}
.step p{color:var(--carbon-soft);margin:0;font-size:.96rem}

/* ---------- CTA band ---------- */
.cta-band{background:var(--carbon);color:#fff;border-radius:var(--radius-lg);padding:48px;text-align:center;margin:0 auto}
.cta-band h2{color:#fff}
.cta-band p{color:rgba(255,255,255,.8);max-width:48ch;margin:0 auto 1.6rem}

/* ---------- Precios ---------- */
.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.plan{background:var(--blanco);border:1px solid var(--linea);border-radius:var(--radius-lg);padding:30px;display:flex;flex-direction:column}
.plan.featured{border-color:var(--terracota);box-shadow:var(--shadow);position:relative}
.plan.featured::before{content:"Más popular";position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--terracota);color:#fff;font-family:var(--font-head);font-size:.75rem;font-weight:600;padding:.3em 1em;border-radius:999px}
.plan h3{font-size:1.3rem}
.price{font-family:var(--font-head);font-weight:700;font-size:2.2rem;margin:.2em 0}
.price small{font-size:.9rem;font-weight:400;color:var(--carbon-soft)}
.plan ul{list-style:none;padding:0;margin:1.2rem 0;flex:1}
.plan li{padding:.45em 0;padding-left:1.6em;position:relative;color:var(--carbon-soft)}
.plan li::before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:700}

/* ---------- Formulario ---------- */
.form{background:var(--blanco);border:1px solid var(--linea);border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow-soft)}
.field{margin-bottom:18px}
.field label{display:block;font-family:var(--font-head);font-weight:500;font-size:.92rem;margin-bottom:6px}
.field input,.field textarea{
  width:100%;padding:.8em 1em;border:1px solid var(--linea);border-radius:10px;
  font-family:var(--font-body);font-size:1rem;background:var(--crema);color:var(--carbon);
}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--terracota);background:#fff}
.form-note{font-size:.85rem;color:var(--carbon-soft);margin-top:10px}

/* ---------- Footer ---------- */
.site-footer{background:var(--carbon);color:rgba(255,255,255,.8);padding:48px 0 28px;margin-top:24px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;margin-bottom:32px}
.site-footer .logo img{height:34px;opacity:0.9;}
.site-footer h4{color:#fff;font-size:.95rem;margin-bottom:.8em}
.site-footer a{color:rgba(255,255,255,.8);display:block;padding:.25em 0;font-size:.95rem}
.site-footer a:hover{color:var(--ambar)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.15);padding-top:20px;font-size:.85rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* ---------- Responsive ---------- */
@media (max-width:860px){
  .hero-grid,.grid-2{grid-template-columns:1fr}
  .grid-3,.steps,.pricing{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero{padding:48px 0}
  .nav-links{
    position:absolute;top:70px;left:0;right:0;background:var(--crema);
    flex-direction:column;gap:0;padding:8px 22px 18px;border-bottom:1px solid var(--linea);
    display:none;
  }
  .nav-links.open{display:flex}
  .nav-links li{width:100%}
  .nav-links a{display:block;padding:12px 0;border-bottom:1px solid var(--linea)}
  .nav-toggle{display:block}
  .nav .btn{display:none}
}
@media (max-width:540px){
  .grid-3,.steps,.pricing,.footer-grid{grid-template-columns:1fr}
  .cta-band,.section{padding:36px 20px}
}

/* ---------- Animaciones ---------- */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s cubic-bezier(0.2, 0.8, 0.2, 1), transform 0.7s cubic-bezier(0.2, 0.8, 0.2, 1);
  will-change: opacity, transform;
}
.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}
/* Staggering para elementos dentro de un contenedor */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }