/* INNERLAB Health — tokens tomados de la etiqueta del frasco GutHack */
:root{
  --teal:#3F7A68; --teal-deep:#2C5A4C; --teal-ink:#1E3F35; --teal-tint:#E3EDE8;
  --cream:#F4F1EA; --paper:#FBFAF6; --studio:#F7F7F7;
  --ink:#1A1D1B; --muted:#5D6661; --line:#DCD8CE;
  --serif:"DM Serif Display",Georgia,serif; --sans:"Inter",system-ui,-apple-system,sans-serif;
  --r:18px; --max:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--cream);color:var(--ink);font:400 16px/1.6 var(--sans);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
h1,h2,h3{font-family:var(--serif);font-weight:400;line-height:1.08;letter-spacing:-.01em}
h1{font-size:clamp(2.3rem,4.6vw,3.6rem)}
h2{font-size:clamp(1.9rem,3.6vw,2.8rem)}
h3{font-size:1.35rem}
.eyebrow{font:600 .74rem/1 var(--sans);letter-spacing:.16em;text-transform:uppercase;color:var(--teal)}
.lede{font-size:1.08rem;color:var(--muted);max-width:56ch}
section{padding:88px 0}
.center{text-align:center}.center .lede{margin:14px auto 0}

/* Barra superior + header */
.topbar{background:var(--teal-ink);color:#EAF2EE;text-align:center;font:600 .74rem/1.3 var(--sans);letter-spacing:.12em;text-transform:uppercase;padding:10px 16px}
header.nav{position:sticky;top:0;z-index:30;background:rgba(244,241,234,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
header.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font:400 1.45rem/1 var(--serif);letter-spacing:.06em;color:var(--teal-ink)}
.logo small{font:600 .62rem/1 var(--sans);letter-spacing:.2em;color:var(--teal);margin-top:4px}
.nav-links{display:flex;gap:28px;font-size:.9rem}
.nav-links a{text-decoration:none;color:var(--muted)}.nav-links a:hover{color:var(--ink)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;text-decoration:none;
  background:var(--teal-ink);color:#fff;font:600 .9rem/1 var(--sans);letter-spacing:.08em;text-transform:uppercase;padding:18px 28px;border-radius:999px;transition:background .2s,transform .1s}
.btn:hover{background:var(--teal-deep)}.btn:active{transform:scale(.99)}
.btn.sm{padding:12px 18px;font-size:.74rem}
.btn.block{width:100%}

/* Hero */
.hero{padding:40px 0 72px}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:start}
.gallery{position:sticky;top:88px}
.gallery .main{position:relative;background:var(--studio);border-radius:var(--r);overflow:hidden;aspect-ratio:1;touch-action:pan-y}
.gallery .main img{width:100%;height:100%;object-fit:cover}
.thumbs{display:grid;grid-template-columns:repeat(9,1fr);gap:8px;margin-top:10px}
.arw{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border-radius:50%;border:0;background:rgba(255,255,255,.9);color:var(--ink);font:400 1.6rem/1 var(--sans);cursor:pointer;box-shadow:0 2px 10px rgba(0,0,0,.08)}
.arw.prev{left:14px}.arw.next{right:14px}
.count{position:absolute;right:14px;top:14px;background:rgba(255,255,255,.9);border-radius:999px;padding:4px 10px;font-size:.78rem;color:var(--muted)}
.step img.sp{width:calc(100% + 56px);margin:-28px -28px 22px;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r) var(--r) 0 0;max-width:none}
.step{overflow:hidden}
.thumbs button{background:var(--studio);border:1.5px solid transparent;border-radius:8px;overflow:hidden;cursor:pointer;aspect-ratio:1;padding:0}
.thumbs button[aria-current=true]{border-color:var(--teal)}
.thumbs img{width:100%;height:100%;object-fit:cover}
.buy h1{margin:12px 0 16px}
.buy .lede{margin-bottom:20px}
.checks{list-style:none;display:grid;gap:10px;margin:0 0 26px}
.checks li{display:flex;gap:10px;align-items:flex-start;font-size:.97rem}
.checks svg{flex:none;margin-top:3px;color:var(--teal)}

.offer{display:grid;gap:12px;margin-bottom:16px}
.opt{display:block;position:relative;border:1.5px solid var(--line);background:var(--paper);border-radius:14px;padding:18px 18px 18px 52px;cursor:pointer;transition:border-color .2s,background .2s}
.opt input{position:absolute;opacity:0}
.opt .dot{position:absolute;left:18px;top:21px;width:20px;height:20px;border-radius:50%;border:1.5px solid #9AA39E;background:#fff}
.opt input:checked ~ .dot{border:6px solid var(--teal-ink)}
.opt:has(input:checked){border-color:var(--teal-ink);background:#fff}
.opt input:focus-visible ~ .dot{outline:2px solid var(--teal);outline-offset:3px}
.opt .row{display:flex;justify-content:space-between;align-items:baseline;gap:10px}
.opt .t{font-weight:600}
.opt .p{font:400 1.5rem/1 var(--serif)}
.opt .p s{font:400 .95rem var(--sans);color:var(--muted);margin-right:6px}
.opt .p small{font:400 .85rem var(--sans);color:var(--muted)}
.tag{display:inline-block;background:var(--teal);color:#fff;font:700 .66rem/1 var(--sans);letter-spacing:.1em;text-transform:uppercase;padding:6px 9px;border-radius:999px;margin-left:8px;vertical-align:2px}
.perks{list-style:none;display:none;gap:7px;margin-top:12px;padding-top:12px;border-top:1px solid var(--line);font-size:.9rem;color:var(--muted)}
.opt:has(input:checked) .perks{display:grid}
.perks li::before{content:"✓";color:var(--teal);font-weight:700;margin-right:8px}
.assure{display:flex;justify-content:center;flex-wrap:wrap;gap:6px 18px;margin-top:14px;font-size:.82rem;color:var(--muted)}
.assure span{display:inline-flex;gap:6px;align-items:center}

/* Barra de confianza */
.trust{background:var(--teal-ink);color:#EAF2EE;padding:22px 0}
.trust ul{list-style:none;display:flex;justify-content:space-around;flex-wrap:wrap;gap:12px 28px;font:600 .78rem/1.2 var(--sans);letter-spacing:.12em;text-transform:uppercase}
.trust li{display:flex;align-items:center;gap:10px}

/* Beneficios */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:48px}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:32px 28px}
.card .ic{width:48px;height:48px;border-radius:50%;background:var(--teal-tint);color:var(--teal-deep);display:grid;place-items:center;margin-bottom:20px}
.card h3{margin-bottom:10px}
.card p{color:var(--muted);font-size:.96rem}

/* Ingredientes */
.formula{background:var(--paper)}
.formula .wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:center}
.formula .photo,.final .photo{background:var(--studio);border-radius:var(--r);overflow:hidden;aspect-ratio:1}
.formula .photo img,.final .photo img{width:100%;height:100%;object-fit:cover}
.ing{list-style:none;margin-top:32px;border-top:1px solid var(--line)}
.ing li{display:grid;grid-template-columns:1fr auto;gap:4px 16px;padding:18px 0;border-bottom:1px solid var(--line)}
.ing b{font-weight:600}
.ing .dose{font:400 1.1rem var(--serif);color:var(--teal-deep);text-align:right}
.ing p{grid-column:1/-1;color:var(--muted);font-size:.92rem}
.strains{display:flex;flex-wrap:wrap;gap:8px;grid-column:1/-1;margin-top:6px}
.strains span{background:var(--teal-tint);color:var(--teal-ink);font-size:.8rem;font-weight:600;padding:6px 10px;border-radius:999px}
.linkbtn{background:none;border:0;cursor:pointer;color:var(--teal-deep);font:600 .9rem var(--sans);text-decoration:underline;text-underline-offset:4px;margin-top:20px}

/* Ritual */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:48px;counter-reset:s}
.step{position:relative;padding:28px;border-radius:var(--r);background:var(--paper);border:1px solid var(--line)}
.step .n{font:400 3rem/1 var(--serif);color:var(--teal);opacity:.5}
.step .when{font:600 .72rem/1 var(--sans);letter-spacing:.16em;text-transform:uppercase;color:var(--teal);margin:14px 0 8px}
.step p{color:var(--muted);font-size:.95rem}

/* Por qué suscribirse */
.sub{background:var(--teal-ink);color:#EEF4F1}
.sub .wrap{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.sub .eyebrow{color:#9FC9B8}
.sub .lede{color:#C5D8D0}
.kit{background:#fff;color:var(--ink);border-radius:var(--r);padding:30px}
.kit .free{font:700 .7rem/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--teal)}
.kit h3{margin:10px 0 6px}
.kit .guide{display:flex;gap:18px;align-items:center;margin:20px 0;padding:18px;border-radius:14px;background:var(--cream)}
.cover{flex:none;width:86px;height:112px;border-radius:6px;background:linear-gradient(160deg,var(--teal),var(--teal-ink));color:#fff;padding:10px;font:400 .95rem/1.05 var(--serif);display:flex;flex-direction:column;justify-content:space-between;box-shadow:0 8px 18px rgba(30,63,53,.25)}
.cover small{font:600 .5rem/1 var(--sans);letter-spacing:.14em;opacity:.8}
.sublist{list-style:none;display:grid;gap:14px;margin-top:28px}
.sublist li{display:flex;gap:14px;align-items:flex-start}
.sublist .b{flex:none;width:28px;height:28px;border-radius:50%;background:rgba(255,255,255,.1);display:grid;place-items:center;color:#9FC9B8}

/* Comparación */
.cmp{margin:44px auto 0;max-width:820px;background:var(--paper);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.cmp table{width:100%;border-collapse:collapse}
.cmp th,.cmp td{padding:16px 18px;text-align:center;border-bottom:1px solid var(--line);font-size:.95rem}
.cmp th{font:600 .74rem/1.2 var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.cmp th.us{background:var(--teal-ink);color:#fff}
.cmp td:first-child,.cmp th:first-child{text-align:left}
.cmp td.us{background:var(--teal-tint);font-weight:600;color:var(--teal-ink)}
.cmp tr:last-child td{border-bottom:0}
.cmp .no{color:#A2A9A5}
.foot-note{font-size:.8rem;color:var(--muted);margin-top:14px;text-align:center}

/* Garantía */
.guarantee .box{display:grid;grid-template-columns:auto 1fr;gap:40px;align-items:center;background:var(--paper);border:1px solid var(--line);border-radius:28px;padding:48px}
.seal{width:150px;height:150px;border-radius:50%;border:2px solid var(--teal);display:grid;place-items:center;text-align:center;color:var(--teal-ink);font:400 2.6rem/0.9 var(--serif)}
.seal small{display:block;font:700 .62rem/1.3 var(--sans);letter-spacing:.16em;text-transform:uppercase;margin-top:6px}

/* FAQ */
.faq{max-width:780px;margin:40px auto 0}
.faq details{border-bottom:1px solid var(--line);padding:20px 0}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px;font-weight:600;font-size:1.02rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font:400 1.5rem/1 var(--serif);color:var(--teal);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{color:var(--muted);margin-top:10px;max-width:64ch}

/* CTA final + footer */
.final{background:var(--teal-tint)}
.final .wrap{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
footer{background:var(--teal-ink);color:#B9CFC6;padding:56px 0 110px;font-size:.88rem}
footer .top{display:flex;justify-content:space-between;flex-wrap:wrap;gap:24px;padding-bottom:28px;border-bottom:1px solid rgba(255,255,255,.12)}
footer .logo{color:#fff}
footer nav{display:flex;gap:22px;flex-wrap:wrap}
footer nav a{text-decoration:none}footer nav a:hover{color:#fff}
.fda{margin-top:24px;border:1px solid rgba(255,255,255,.2);padding:16px 18px;border-radius:10px;font-size:.8rem;line-height:1.5}
.copy{margin-top:20px;font-size:.78rem;opacity:.7}

/* Barra fija en móvil */
.sticky{position:fixed;left:0;right:0;bottom:0;z-index:40;background:#fff;border-top:1px solid var(--line);padding:12px 16px calc(12px + env(safe-area-inset-bottom));display:flex;gap:12px;align-items:center;justify-content:space-between;transform:translateY(110%);transition:transform .25s}
.sticky.show{transform:none}
.sticky .info{font-size:.85rem;line-height:1.25}
.sticky .info b{font:400 1.2rem var(--serif);display:block}

/* Modal etiqueta */
dialog{border:0;border-radius:var(--r);padding:24px;max-width:min(92vw,560px);margin:auto}
dialog::backdrop{background:rgba(20,30,26,.6)}
dialog .x{float:right;background:none;border:0;font-size:1.6rem;cursor:pointer;line-height:1}

@media (max-width:900px){
  section{padding:64px 0}
  .nav-links{display:none}
  .hero{padding:20px 0 56px}
  .hero .wrap,.formula .wrap,.sub .wrap,.final .wrap{grid-template-columns:1fr;gap:32px}
  .gallery{position:static}
  .cards,.steps{grid-template-columns:1fr}
  .guarantee .box{grid-template-columns:1fr;text-align:center;padding:32px 22px;justify-items:center}
  .cmp th,.cmp td{padding:12px 10px;font-size:.85rem}
  .trust ul{justify-content:center;font-size:.7rem}
}
@media (min-width:901px){.sticky{display:none}footer{padding-bottom:56px}}

@media (max-width:900px){.thumbs{grid-template-columns:repeat(9,56px);overflow-x:auto;scrollbar-width:none}.arw{width:38px;height:38px}}
.hero .wrap>*{min-width:0}