/* ============================================================
   SISTEFARMA — Landing (tema azul/amarillo)
   Hoja de estilos separada del HTML.
   PERSONALIZA:
   · Marca: busca "SISTEFARMA" en el HTML
   · Precios: sección "Planes" ($XX.XXX en el HTML)
   · WhatsApp: variable WHATSAPP en js/landing.js
   · Colores: variables :root (abajo)
   ============================================================ */

/* ---------- Variables de marca ---------- */
:root{
  --azul1:#1470cf;      /* azul profundo (arriba) */
  --azul2:#12a7cc;      /* cian (abajo) */
  --azul-osc:#0a4f96;
  --azul-txt:#0b4a86;
  --cian-cl:#eaf7fb;
  --amarillo:#f8b500;
  --amarillo-osc:#e0a200;
  --verde:#6cbf44;      /* verde del logo (FARMA) */
  --verde-osc:#57a838;
  --azul-logo:#2f80c4;  /* azul de la cruz */
  --tinta:#08324f;      /* navy para texto sobre claro/amarillo */
  --gris:#5a7183;
  --gris-cl:#f2f8fb;
  --linea:#dcebf2;
  --blanco:#ffffff;
  --radio:18px;
  --sombra:0 12px 34px rgba(10,79,150,.12);
  --sombra-fuerte:0 22px 55px rgba(10,79,150,.22);
  --grad:linear-gradient(157deg,#1478d3 0%,#139fca 55%,#16b6cf 100%);
  --max:1150px;
}

/* ---------- Base ---------- */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Poppins',-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  color:var(--tinta);line-height:1.6;background:var(--blanco);-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
.contenedor{max-width:var(--max);margin:0 auto;padding:0 22px}
.seccion{padding:82px 0;position:relative}
h1,h2,h3{line-height:1.12;letter-spacing:-.02em;font-weight:800}
h1{font-weight:900}
h2{font-size:clamp(1.8rem,4.2vw,2.6rem);text-align:center;margin-bottom:14px}
.subt{text-align:center;color:var(--gris);max-width:640px;margin:0 auto 52px;font-size:1.08rem}
.eyebrow{display:inline-flex;align-items:center;gap:10px;background:var(--cian-cl);color:var(--azul-txt);
  font-weight:700;font-size:.82rem;letter-spacing:.06em;text-transform:uppercase;
  padding:8px 16px;border-radius:999px;margin-bottom:16px}
.eyebrow .dot{width:9px;height:9px;border-radius:50%;background:var(--azul2)}

/* ---------- Botones ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:800;font-size:1.02rem;
  padding:16px 30px;border-radius:999px;cursor:pointer;border:none;transition:.2s;white-space:nowrap;font-family:inherit}
.btn-amarillo{background:var(--amarillo);color:var(--tinta);box-shadow:0 10px 26px rgba(248,181,0,.4)}
.btn-amarillo:hover{background:var(--amarillo-osc);transform:translateY(-2px)}
.btn-azul{background:var(--azul1);color:#fff;box-shadow:var(--sombra)}
.btn-azul:hover{background:var(--azul-osc);transform:translateY(-2px)}
.btn-linea{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.6)}
.btn-linea:hover{background:rgba(255,255,255,.15);border-color:#fff}
.btn-wa{background:#25d366;color:#fff;box-shadow:0 10px 26px rgba(37,211,102,.35)}
.btn-wa:hover{background:#1da851;transform:translateY(-2px)}

/* ---------- Header ---------- */
header{position:sticky;top:0;z-index:50;background:rgba(8,50,79,.97);backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,.12)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:10px;font-weight:900;font-size:1.4rem;letter-spacing:-.03em;color:#fff}
.logo b{color:var(--verde)}
.logo-ic{width:40px;height:40px;background:transparent;border-radius:12px;display:grid;place-items:center;flex-shrink:0}
.nav-links{display:flex;gap:28px;align-items:center}
.nav-links a{color:rgba(255,255,255,.92);font-weight:600;font-size:.97rem}
.nav-links a:hover{color:var(--amarillo)}
.nav-links .btn{padding:11px 22px;font-size:.95rem}
.menu-btn{display:none;background:none;border:none;cursor:pointer;padding:8px}
.menu-btn span{display:block;width:24px;height:2px;background:#fff;margin:5px 0;transition:.3s}

/* ---------- Hero ---------- */
.hero{background:var(--azul1);color:#fff;position:relative;overflow:hidden;text-align:center}
.hero::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(255,255,255,.18),transparent 70%);border-radius:50%}
.hero-inner{padding:64px 0 72px;position:relative;z-index:2;max-width:820px;margin:0 auto}
.hero .eyebrow{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.35)}
.hero .eyebrow .dot{background:var(--amarillo)}
.hero h1{font-weight:700;font-size:clamp(1.85rem,4.6vw,2.9rem);margin:34px 0 32px;letter-spacing:-.015em}
.hero h1 .hl{color:var(--amarillo);font-weight:800}
.hero p.lead{font-size:1.12rem;color:rgba(255,255,255,.92);margin:0 auto 28px;max-width:600px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;justify-content:center;margin-bottom:22px}
.hero-trust{display:flex;align-items:center;justify-content:center;gap:10px;color:rgba(255,255,255,.9);font-size:.93rem}
.hero-trust .estrellas{color:var(--amarillo);letter-spacing:2px}
.hero .mockup{max-width:460px;margin:46px auto 0;transform:none;text-align:left}

/* ---------- Mockup ---------- */
.mockup{background:#fff;border-radius:22px;box-shadow:var(--sombra-fuerte);overflow:hidden;transform:rotate(1.4deg)}
.mockup .barra{background:var(--azul-osc);height:40px;display:flex;align-items:center;gap:7px;padding:0 15px}
.mockup .barra i{width:11px;height:11px;border-radius:50%;background:#3f7cbf;display:block}
.mockup .barra i:first-child{background:#ff5f56}.mockup .barra i:nth-child(2){background:#ffbd2e}.mockup .barra i:nth-child(3){background:#27c93f}
.mock-body{padding:20px;color:var(--tinta)}
.mock-row{display:flex;justify-content:space-between;align-items:center;padding:12px 14px;border-radius:12px;margin-bottom:9px;font-size:.9rem;font-weight:500;background:var(--gris-cl)}
.mock-row.ok{background:var(--cian-cl)}
.mock-row .tag{font-weight:700;font-size:.75rem;padding:3px 10px;border-radius:999px;background:#fff;border:1px solid var(--linea)}
.mock-row .tag.venc{background:#fff3f2;color:#d64545;border-color:#f6cfcb}
.mock-row .tag.bajo{background:#fff8e6;color:#b07a00;border-color:#f2e0a8}
.mock-total{margin-top:14px;padding:16px;background:var(--azul1);color:#fff;border-radius:14px;display:flex;justify-content:space-between;align-items:center;font-weight:800}
.mock-total .big{font-size:1.5rem;color:var(--amarillo)}

/* ---------- Franja ---------- */
.franja{background:var(--tinta);color:#cfe3f2;padding:22px 0;position:relative}
.franja .contenedor{display:flex;flex-wrap:wrap;gap:14px 38px;align-items:center;justify-content:center;text-align:center;font-weight:600;font-size:.95rem}
.franja b{color:#fff}.franja .ck{color:var(--amarillo)}

/* ---------- Dolores ---------- */
.dolores-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;max-width:900px;margin:0 auto}
.dolor{display:flex;gap:14px;padding:22px;background:var(--gris-cl);border-radius:var(--radio);border:1px solid var(--linea)}
.dolor .x{flex-shrink:0;width:32px;height:32px;border-radius:50%;background:#fff3f2;color:#d64545;display:grid;place-items:center;font-weight:800}
.dolor p{color:var(--gris)}.dolor b{color:var(--tinta)}

/* ---------- Funciones ---------- */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feat{padding:30px;border:1px solid var(--linea);border-radius:var(--radio);background:#fff;transition:.25s}
.feat:hover{transform:translateY(-4px);box-shadow:var(--sombra);border-color:var(--cian-cl)}
.feat .ic{display:none}
.feat h3{font-size:1.2rem;margin-bottom:8px}
.feat p{color:var(--gris);font-size:.97rem}

/* ---------- Beneficios ---------- */
.benef{background:var(--gris-cl)}
.benef-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.benef-lista{list-style:none}
.benef-lista li{display:flex;gap:14px;margin-bottom:22px}
.benef-lista .ck{flex-shrink:0;width:30px;height:30px;border-radius:50%;background:var(--azul1);color:#fff;display:grid;place-items:center;font-weight:800}
.benef-lista h3{font-size:1.12rem;margin-bottom:2px}
.benef-lista p{color:var(--gris);font-size:.96rem}
.stats{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.stat{background:var(--grad);color:#fff;border-radius:var(--radio);padding:26px;text-align:center;box-shadow:var(--sombra)}
.stat .num{font-size:2.4rem;font-weight:900;color:var(--amarillo);letter-spacing:-.03em}
.stat .lbl{color:rgba(255,255,255,.92);font-size:.9rem;margin-top:4px}

/* ---------- Pasos ---------- */
.pasos{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;counter-reset:paso}
.paso{text-align:center;padding:0 10px}
.paso .n{counter-increment:paso;width:58px;height:58px;margin:0 auto 16px;border-radius:50%;
  background:var(--amarillo);color:var(--tinta);font-size:1.4rem;font-weight:900;display:grid;place-items:center}
.paso .n::before{content:counter(paso)}
.paso h3{font-size:1.15rem;margin-bottom:6px}
.paso p{color:var(--gris);font-size:.96rem}

/* ---------- Planes ---------- */
.planes{background:var(--gris-cl)}
.planes-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.plan{background:#fff;border:1px solid var(--linea);border-radius:var(--radio);padding:34px 28px;display:flex;flex-direction:column;position:relative}
.plan.destacado{border:2px solid var(--azul1);box-shadow:var(--sombra-fuerte);transform:scale(1.03)}
.plan .badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--amarillo);color:var(--tinta);font-size:.75rem;font-weight:800;padding:5px 16px;border-radius:999px;letter-spacing:.04em}
.plan h3{font-size:1.3rem;margin-bottom:6px}
.plan .desc{color:var(--gris);font-size:.9rem;margin-bottom:18px;min-height:40px}
.plan .precio{font-size:2.3rem;font-weight:900;letter-spacing:-.03em;color:var(--azul-txt)}
.plan .precio small{font-size:.9rem;color:var(--gris);font-weight:600}
.plan ul{list-style:none;margin:22px 0 26px;flex:1}
.plan ul li{padding:9px 0;border-bottom:1px solid var(--linea);font-size:.95rem;display:flex;gap:9px;align-items:center;color:var(--gris)}
.plan ul li::before{content:"\2713";color:var(--azul2);font-weight:800}
.plan .btn{width:100%}

/* ---------- Testimonios ---------- */
.tst-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.tst{background:#fff;border:1px solid var(--linea);border-radius:var(--radio);padding:28px;box-shadow:var(--sombra)}
.tst .estrellas{color:var(--amarillo);letter-spacing:2px;margin-bottom:12px}
.tst p{font-style:italic;color:var(--tinta);margin-bottom:18px}
.tst .autor{display:flex;align-items:center;gap:12px}
.tst .av{width:44px;height:44px;border-radius:50%;background:var(--cian-cl);color:var(--azul-txt);display:grid;place-items:center;font-weight:800}
.tst .autor b{display:block;font-size:.95rem}.tst .autor span{color:var(--gris);font-size:.85rem}

/* ---------- FAQ ---------- */
.faq{max-width:760px;margin:0 auto}
.faq-item{border:1px solid var(--linea);border-radius:14px;margin-bottom:12px;overflow:hidden;background:#fff}
.faq-q{width:100%;text-align:left;background:#fff;border:none;padding:20px 22px;font-size:1.03rem;font-weight:700;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:14px;color:var(--tinta);font-family:inherit}
.faq-q .mas{font-size:1.6rem;color:var(--azul2);transition:.3s;flex-shrink:0;line-height:1}
.faq-item.abierto .faq-q .mas{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;color:var(--gris)}
.faq-a p{padding:0 22px 20px}

/* ---------- CTA final ---------- */
.cta-final{background:var(--grad);color:#fff;text-align:center;position:relative;overflow:hidden}
.cta-final::before{content:"";position:absolute;left:-100px;bottom:-100px;width:360px;height:360px;background:radial-gradient(circle,rgba(255,255,255,.16),transparent 70%);border-radius:50%}
.cta-final h2{color:#fff}
.cta-final .subt{color:rgba(255,255,255,.9)}
.form-card{background:#fff;color:var(--tinta);border-radius:22px;padding:34px;max-width:520px;margin:0 auto;box-shadow:var(--sombra-fuerte);text-align:left;position:relative;z-index:2}
.form-card label{font-weight:700;font-size:.9rem;display:block;margin:14px 0 6px}
.form-card input,.form-card select{width:100%;padding:13px 15px;border:1.5px solid var(--linea);border-radius:12px;font-size:1rem;font-family:inherit;color:var(--tinta)}
.form-card input:focus{outline:none;border-color:var(--azul2)}
.form-card .btn{width:100%;margin-top:22px}
.form-nota{text-align:center;font-size:.82rem;color:var(--gris);margin-top:12px}

/* ---------- Footer ---------- */
footer{background:var(--tinta);color:#a9c6dc;padding:54px 0 30px;font-size:.92rem;position:relative}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px;margin-bottom:34px}
footer .logo{margin-bottom:14px}
footer .logo-ic{background:#fff}
footer h4{color:#fff;font-size:.95rem;margin-bottom:14px;text-transform:uppercase;letter-spacing:.06em}
footer a{display:block;padding:5px 0;color:#a9c6dc}footer a:hover{color:var(--amarillo)}
.foot-bottom{border-top:1px solid #143a55;padding-top:22px;text-align:center;color:#7fa0bc;font-size:.85rem}

/* ---------- WhatsApp flotante ---------- */
.wa-float{position:fixed;bottom:22px;right:22px;width:62px;height:62px;background:#25d366;border-radius:50%;
  display:grid;place-items:center;box-shadow:0 8px 24px rgba(0,0,0,.28);z-index:60;transition:.2s}
.wa-float:hover{transform:scale(1.08)}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media(max-width:860px){
  .benef-grid{grid-template-columns:1fr;gap:36px}
  .hero-inner{padding:52px 0 58px}
  .hero .mockup{margin:38px auto 0}
  .feat-grid,.pasos,.planes-grid,.tst-grid,.dolores-grid{grid-template-columns:1fr}
  .plan.destacado{transform:none}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .nav-links{position:fixed;top:72px;left:0;right:0;background:var(--tinta);flex-direction:column;
    padding:20px;gap:16px;transform:translateY(-130%);transition:.3s;box-shadow:var(--sombra)}
  .nav-links.open{transform:translateY(0)}
  .menu-btn{display:block}
  .nav-links .btn{width:100%}
}
@media(max-width:520px){
  .stats{grid-template-columns:1fr}.seccion{padding:58px 0}
  .contenedor{padding:0 20px}
  .hero h1{font-size:1.62rem;line-height:1.2}
  .hero p.lead{font-size:1.02rem}
  .hero-cta .btn{width:100%}
}