/* ===== RETA-TD Landing — sistema de diseño clínico premium ===== */
:root{
  --navy:#1E4FBF;        /* azul royal de marca */
  --navy-deep:#15347e;
  --navy-ink:#0e1f45;
  --orange:#E8531F;      /* naranja de marca */
  --orange-soft:#fbe9e1;
  --ink:#0f1b30;
  --muted:#5a6a85;
  --bg:#ffffff;
  --bg-soft:#f3f7fc;
  --bg-navy:#0e1f45;
  --line:#e3eaf5;
  --ok:#178a54;
  --shadow:0 18px 50px -20px rgba(19,44,102,.28);
  --radius:18px;
  --maxw:1140px;
  --font: "Inter", system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  --display: "Manrope", var(--font);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);
  line-height:1.6;-webkit-font-smoothing:antialiased;font-size:17px;
}
h1,h2,h3{font-family:var(--display);line-height:1.12;letter-spacing:-.02em;margin:0 0 .5em}
h1{font-size:clamp(2rem,4.4vw,3.35rem);font-weight:800}
h2{font-size:clamp(1.6rem,3vw,2.4rem);font-weight:800}
h3{font-size:1.2rem;font-weight:700}
p{margin:0 0 1rem}
a{color:var(--navy);text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:84px 0}
.section--soft{background:var(--bg-soft)}
.section--navy{background:var(--bg-navy);color:#eaf1ff}
.eyebrow{display:inline-block;font-family:var(--display);font-weight:700;font-size:.8rem;
  letter-spacing:.14em;text-transform:uppercase;color:var(--navy);
  background:#eaf1ff;border:1px solid #d5e2fb;padding:7px 14px;border-radius:999px;margin-bottom:18px}
.section--navy .eyebrow{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16);color:#bcd0ff}
.lead{font-size:1.12rem;color:var(--muted);max-width:56ch}
.section--navy .lead{color:#c2d2f2}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}
.kicker-note{color:var(--orange);font-weight:700}

/* ---- Botones ---- */
.btn{display:inline-flex;align-items:center;gap:9px;font-family:var(--display);font-weight:700;
  font-size:1rem;padding:15px 26px;border-radius:12px;border:2px solid transparent;cursor:pointer;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease;text-align:center}
.btn:hover{transform:translateY(-2px)}
.btn--primary{background:var(--orange);color:#fff;box-shadow:0 12px 26px -10px rgba(232,83,31,.7)}
.btn--primary:hover{background:#d5471a}
.btn--ghost{background:#fff;color:var(--navy);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--navy)}
.btn--wa{background:#25D366;color:#0b3d24;box-shadow:0 12px 26px -12px rgba(37,211,102,.8)}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}

/* ---- Header ---- */
.nav{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line)}
.nav .container{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--display);font-weight:800;font-size:1.35rem;letter-spacing:-.03em}
.brand .b-reta{color:var(--navy)} .brand .b-t{color:var(--orange)}
.brand small{display:block;font-size:.52rem;letter-spacing:.22em;color:var(--muted);font-weight:700;margin-top:-2px}
.nav-cta{font-size:.92rem;padding:10px 18px}
.mol{width:22px;height:22px}
.logo-img{height:40px;width:auto;display:block}

/* Bloques de imagen (oportunidad / calidad) */
.opp-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:46px;align-items:center}
.opp-media img{border-radius:20px;box-shadow:var(--shadow);width:100%}
.qual-top{display:grid;grid-template-columns:1.3fr .7fr;gap:34px;align-items:center;margin-top:8px}
.patients{margin:46px 0 0}
.patients img{border-radius:18px;box-shadow:var(--shadow);width:100%}
.patients figcaption{font-size:.8rem;color:var(--muted);text-align:center;margin-top:12px;font-style:italic}

/* ---- Hero ---- */
.hero{padding:60px 0 76px;background:
  radial-gradient(1200px 500px at 85% -10%, #eaf1ff 0, transparent 60%),
  linear-gradient(180deg,#fff, #f7faff)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.hero h1 span{color:var(--navy)}
.hero .trust{list-style:none;padding:0;margin:26px 0 0;display:grid;gap:11px}
.hero .trust li{position:relative;padding-left:30px;color:#33425e;font-weight:500}
.hero .trust li::before{content:"";position:absolute;left:0;top:7px;width:18px;height:18px;border-radius:50%;
  background:var(--orange-soft);border:1px solid var(--orange)}
.hero .trust li::after{content:"✓";position:absolute;left:4px;top:4px;font-size:.7rem;color:var(--orange);font-weight:900}
.hero-media{position:relative}
.hero-media img{border-radius:22px;box-shadow:var(--shadow)}
.hero-badge{position:absolute;bottom:-18px;left:-14px;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:12px 16px;box-shadow:var(--shadow);display:flex;gap:10px;align-items:center}
.hero-badge b{font-family:var(--display);color:var(--navy);font-size:1.4rem;line-height:1}
.hero-badge span{font-size:.74rem;color:var(--muted);max-width:12ch}

/* ---- Stat cards ---- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:38px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;text-align:center;box-shadow:0 8px 24px -18px rgba(19,44,102,.3)}
.stat b{font-family:var(--display);font-size:2.15rem;font-weight:800;color:var(--orange);display:block;line-height:1}
.stat span{font-size:.88rem;color:var(--muted);margin-top:8px;display:block}

/* ---- Barras comparativas ---- */
.bars{max-width:720px;margin:40px auto 0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 30px 22px;box-shadow:var(--shadow)}
.bars h3{text-align:center;color:var(--navy-ink);margin-bottom:22px}
.bar{margin-bottom:18px}
.bar .lab{display:flex;justify-content:space-between;font-weight:700;margin-bottom:6px;font-size:.95rem}
.bar .track{height:26px;background:var(--bg-soft);border-radius:8px;overflow:hidden}
.bar .fill{height:100%;border-radius:8px;transition:width 1.1s cubic-bezier(.2,.7,.2,1)}
.bar--1 .fill{background:linear-gradient(90deg,var(--orange),#ff7a45)}
.bar--2 .fill{background:var(--navy)}
.bar--3 .fill{background:#9db4dd}
.fine{font-size:.78rem;color:var(--muted);margin-top:8px}

/* ---- Callouts calidad ---- */
.callout{display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-left:5px solid var(--navy);
  border-radius:14px;padding:24px 26px;box-shadow:0 10px 30px -22px rgba(19,44,102,.4);margin-bottom:18px}
.callout .ic{flex:0 0 44px;height:44px;border-radius:12px;background:#eaf1ff;display:grid;place-items:center;color:var(--navy);font-size:1.3rem}
.callout h3{margin-bottom:5px}
.callout p{margin:0;color:var(--muted)}
.quality-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:start}
.qlist{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:10px}
.qlist li{padding-left:28px;position:relative}
.qlist li::before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:900}
.media-card img{border-radius:18px;box-shadow:var(--shadow)}

/* ---- Tablas ---- */
.tbl{width:100%;border-collapse:collapse;margin-top:22px;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.tbl th,.tbl td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--line);font-size:.97rem}
.tbl th{background:var(--navy-ink);color:#fff;font-family:var(--display);font-weight:700;font-size:.82rem;letter-spacing:.04em;text-transform:uppercase}
.tbl td:last-child{font-weight:700;color:var(--navy-ink)}
.tbl tr:last-child td{border-bottom:none}
.tbl .mkt{color:var(--muted)}
.tbl .win{color:var(--navy-ink);font-weight:600}

/* ---- COA card ---- */
.coa{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:stretch;margin-top:34px}
.coa-doc{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:#fff;min-height:420px}
.coa-doc embed,.coa-doc iframe{width:100%;height:100%;min-height:420px;border:0}
.coa-facts{display:flex;flex-direction:column;justify-content:center}
.coa-facts .verify{display:inline-flex;align-items:center;gap:8px;background:#eaf7ef;color:var(--ok);border:1px solid #b8e3ca;
  padding:8px 14px;border-radius:999px;font-weight:700;font-size:.85rem;margin-bottom:16px;width:fit-content}
.result-row{display:flex;justify-content:space-between;gap:12px;padding:13px 0;border-bottom:1px dashed var(--line)}
.result-row b{color:var(--navy-ink);font-family:var(--display)}
.result-row .pass{color:var(--ok);font-weight:700}

/* ---- Rentabilidad ---- */
.roi{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.roi-big{background:linear-gradient(160deg,#16337a,#0e1f45);color:#fff;border-radius:22px;padding:38px;box-shadow:var(--shadow)}
.roi-big .num{font-family:var(--display);font-weight:800;font-size:3.4rem;color:#ffb995;line-height:1}
.roi-big p{color:#c2d2f2;margin:8px 0 0}
.steps{list-style:none;padding:0;margin:0;display:grid;gap:16px;counter-reset:s}
.steps li{display:flex;gap:16px;align-items:flex-start}
.steps li::before{counter-increment:s;content:counter(s);flex:0 0 38px;height:38px;border-radius:50%;
  background:var(--orange);color:#fff;font-family:var(--display);font-weight:800;display:grid;place-items:center}
.steps b{display:block;font-family:var(--display)}

/* ---- Oferta ---- */
.star{background:linear-gradient(160deg,#fff,#f4f8ff);border:2px solid var(--navy);border-radius:22px;
  padding:32px 34px;box-shadow:var(--shadow);position:relative;margin-bottom:26px}
.star .tag{position:absolute;top:-14px;left:28px;background:var(--orange);color:#fff;font-family:var(--display);
  font-weight:800;font-size:.74rem;letter-spacing:.08em;padding:6px 14px;border-radius:999px;text-transform:uppercase}
.star .price{font-family:var(--display);font-weight:800;font-size:2.6rem;color:var(--navy-ink)}
.star .price small{font-size:1rem;color:var(--muted);font-weight:600}
.incl{display:inline-flex;align-items:center;gap:9px;margin-top:16px;font-size:.92rem;font-weight:600;
  color:var(--navy-ink);background:#eaf1ff;border:1px solid #d5e2fb;border-radius:10px;padding:11px 16px}
.incl .ck{color:var(--orange);font-weight:900}
.pay{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;align-items:center;color:var(--muted);font-size:.9rem}
.pay span{background:#fff;border:1px solid var(--line);border-radius:8px;padding:6px 12px;font-weight:600;color:var(--navy-ink)}

/* ---- PDP ---- */
.pdp{background:linear-gradient(160deg,#16337a,#0e1f45);color:#fff;border-radius:24px;padding:44px;box-shadow:var(--shadow)}
.pdp .eyebrow{background:rgba(255,255,255,.1);color:#bcd0ff;border-color:rgba(255,255,255,.2)}
.pdp-terms{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:28px 0}
.pdp-terms div{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:18px}
.pdp-terms b{font-family:var(--display);font-size:1.5rem;color:#ffb995;display:block}
.pdp-terms span{font-size:.84rem;color:#c2d2f2}
.pdp .example{background:rgba(255,255,255,.06);border-left:4px solid var(--orange);padding:14px 18px;border-radius:10px;color:#eaf1ff}

/* ---- Bonus ---- */
.bonus{display:grid;grid-template-columns:1.3fr .7fr;gap:36px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:24px;padding:40px;box-shadow:var(--shadow)}
.bonus .seal{aspect-ratio:1;background:radial-gradient(circle at 50% 35%,#eaf1ff,#dbe7fb);border:2px dashed var(--navy);
  border-radius:20px;display:grid;place-items:center;text-align:center;padding:20px}
.bonus .seal b{font-family:var(--display);color:var(--navy);font-size:1.1rem}
.def{margin:14px 0}
.def b{color:var(--navy-ink)}

/* ---- FAQ ---- */
.faq{max-width:820px;margin:34px auto 0}
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:12px;padding:4px 22px;box-shadow:0 8px 24px -20px rgba(19,44,102,.4)}
.faq summary{cursor:pointer;font-family:var(--display);font-weight:700;padding:16px 0;list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--orange);font-size:1.5rem;font-weight:700;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq p{color:var(--muted);padding-bottom:16px;margin:0}

/* ---- Garantía ---- */
.guarantee{display:flex;gap:26px;align-items:center;justify-content:center;text-align:left;max-width:780px;margin:0 auto;
  background:#fff;border:1px solid var(--line);border-radius:24px;padding:34px 40px;box-shadow:var(--shadow)}
.guarantee .g90{flex:0 0 120px;height:120px;border-radius:50%;background:radial-gradient(circle at 50% 35%,var(--orange),#c23f10);
  color:#fff;display:grid;place-items:center;text-align:center;font-family:var(--display);font-weight:800;line-height:1;box-shadow:0 14px 30px -12px rgba(232,83,31,.7)}
.guarantee .g90 b{font-size:2.1rem}.guarantee .g90 span{font-size:.7rem;letter-spacing:.1em}

/* ---- Cierre / form ---- */
.close--bg{position:relative;isolation:isolate;overflow:hidden}
.close--bg::before{content:"";position:absolute;inset:0;z-index:-1;
  background-image:linear-gradient(100deg,rgba(9,20,48,.86) 0%,rgba(11,24,55,.60) 46%,rgba(12,26,60,.50) 100%),url("img/carrusel-7.png");
  background-size:cover;background-position:center;background-repeat:no-repeat}
.close--bg .close-grid>div:first-child :is(h2,.lead,.reinforce){text-shadow:0 2px 16px rgba(5,12,32,.65)}
.close-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.reinforce{font-family:var(--display);font-weight:700;font-size:1.15rem;color:#ffd7c4;margin-top:18px}
.form-card{background:#fff;border-radius:22px;padding:32px;box-shadow:var(--shadow);color:var(--ink)}
.form-card h3{color:var(--navy-ink);margin-bottom:6px}
.field{margin-bottom:14px}
.field label{display:block;font-size:.85rem;font-weight:600;color:var(--navy-ink);margin-bottom:5px}
.field label .req{color:var(--orange)}
.field input,.field select{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font:inherit;font-size:.95rem;background:#fbfcfe}
.field input:focus,.field select:focus{outline:none;border-color:var(--navy);background:#fff}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-note{font-size:.78rem;color:var(--muted);margin-top:10px;text-align:center}

/* ---- Floating WhatsApp ---- */
.wa-float{position:fixed;bottom:22px;right:22px;z-index:60;display:flex;align-items:center;gap:10px;
  background:#25D366;color:#0b3d24;font-family:var(--display);font-weight:800;padding:14px 20px;border-radius:999px;
  box-shadow:0 16px 34px -12px rgba(37,211,102,.8);transition:transform .15s}
.wa-float:hover{transform:translateY(-3px) scale(1.03)}
.wa-float svg{width:24px;height:24px}

/* ---- Footer ---- */
.footer{background:#0a1730;color:#9fb2d6;padding:44px 0;font-size:.9rem}
.footer .brand{color:#fff;margin-bottom:12px}
.footer .brand .b-reta{color:#fff}
.footer a{color:#bcd0ff}
.footer .legal{margin-top:16px;font-size:.8rem;color:#6f83a8;max-width:70ch}

/* ---- Eyebrow clickeable (badge hero → crédito) ---- */
.eyebrow--cta{cursor:pointer;text-transform:none;letter-spacing:.005em;font-size:.84rem;
  background:#fff;border:1px solid var(--orange);color:var(--orange);
  display:inline-flex;align-items:center;gap:9px;padding-right:9px;
  box-shadow:0 6px 16px -8px rgba(232,83,31,.5);
  transition:background .18s,color .18s,transform .18s,box-shadow .18s}
.eyebrow--cta:hover{background:var(--orange);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px -8px rgba(232,83,31,.65)}
.eyebrow--cta .arrow{display:inline-grid;place-items:center;width:20px;height:20px;border-radius:50%;
  background:var(--orange);color:#fff;font-size:.8rem;line-height:1;transition:transform .2s,background .18s,color .18s}
.eyebrow--cta:hover .arrow{background:#fff;color:var(--orange);transform:translateX(3px)}

/* ---- Carrusel de presentaciones ---- */
.carousel{margin-top:48px}
.carousel-viewport{position:relative;overflow:hidden;border-radius:var(--radius);box-shadow:var(--shadow);
  background:linear-gradient(180deg,#fff,var(--bg-soft));border:1px solid var(--line)}
.carousel-track{display:flex;transition:transform .6s cubic-bezier(.4,.1,.2,1);will-change:transform}
.slide{flex:0 0 100%;min-width:100%}
.slide img{width:100%;height:clamp(300px,44vw,540px);object-fit:contain;display:block}
.carousel-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:2;width:46px;height:46px;border-radius:50%;
  border:1px solid var(--line);background:rgba(255,255,255,.92);color:var(--navy);font-size:1.7rem;line-height:1;cursor:pointer;
  display:grid;place-items:center;box-shadow:0 8px 20px -8px rgba(19,44,102,.45);transition:transform .15s,background .15s}
.carousel-arrow:hover{background:#fff;transform:translateY(-50%) scale(1.06)}
.carousel-arrow.prev{left:14px}.carousel-arrow.next{right:14px}
.carousel-dots{display:flex;justify-content:center;gap:9px;margin-top:16px}
.carousel-dots .dot{width:9px;height:9px;border-radius:50%;border:none;background:#c7d4ea;cursor:pointer;padding:0;transition:transform .2s,background .2s}
.carousel-dots .dot.active{background:var(--orange);transform:scale(1.3)}

/* ---- Galería COA (3 presentaciones) ---- */
.coa-gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;align-content:start}
.coa-thumb{display:block;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff;
  box-shadow:0 8px 24px -18px rgba(19,44,102,.4);transition:transform .15s,box-shadow .15s}
.coa-thumb:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.coa-thumb img{width:100%;height:auto;display:block}
.coa-thumb span{display:block;text-align:center;font-family:var(--display);font-weight:700;font-size:.8rem;color:var(--navy-ink);padding:9px 4px}

/* ---- Responsive ---- */
@media (max-width:920px){
  .hero-grid,.quality-grid,.roi,.close-grid,.coa,.bonus,.opp-grid,.qual-top{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}
  .pdp-terms{grid-template-columns:1fr 1fr}
  .hero-media{order:-1}
  .nav-cta{display:none}
  .guarantee{flex-direction:column;text-align:center}
}
@media (max-width:520px){
  .section{padding:60px 0}
  .stats{grid-template-columns:1fr 1fr}
  .grid2{grid-template-columns:1fr}
  .wa-float span{display:none}
  .star .price{font-size:2.1rem}
}