/* ============ Ardent Flow — estilos compartidos (todos los idiomas) ============ */
:root{
  --serif:"Source Serif 4",Georgia,"Times New Roman",serif;
  --sans:"General Sans","Hanken Grotesk",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;
  --violet:#8B3DE6; --teal:#20B4C6; --green:#18C47C;
  --grad:linear-gradient(116deg,#8B3DE6 0%,#20B4C6 52%,#18C47C 100%);
  --wrap:1180px;
  /* dark (default) */
  --bg:#0E0E0E; --bg-2:#141719; --surface:#171A1C; --surface-2:#1E2225;
  --text:#FAFAF9; --text-soft:#AEB4B6; --text-faint:#8A9195;
  --line:rgba(250,250,249,.12); --line-2:rgba(250,250,249,.07);
  --accent:#23B9CC; --accent-press:#52D2E0; --accent-text:#5BD6E6; --on-accent:#08171A;
  --ok:#2FD08A;
  --shadow:0 30px 70px -36px rgba(0,0,0,.7);
}
[data-theme="light"]{
  --bg:#FAFAF9; --bg-2:#F1F0EB; --surface:#FFFFFF; --surface-2:#F6F5F0;
  --text:#14181A; --text-soft:#515A5D; --text-faint:#5F676B;
  --line:rgba(14,18,20,.13); --line-2:rgba(14,18,20,.07);
  --accent:#0E97AC; --accent-press:#0B7B8C; --accent-text:#0B7280; --on-accent:#07171A;
  --ok:#0C7A50;
  --shadow:0 30px 70px -40px rgba(14,18,20,.28);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;transition:background .4s ease,color .4s ease}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.06;letter-spacing:-.02em;margin:0}
p{margin:0}
a{color:inherit;text-decoration:none}
svg{display:block}
::selection{background:var(--teal);color:#08171A}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 26px}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--accent-text)}
.serif{font-family:var(--serif)}
.muted{color:var(--text-soft)}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
[data-theme="light"] .grad-text{background:linear-gradient(116deg,#6D28D9 0%,#0A7282 52%,#0C7A4E 100%);-webkit-background-clip:text;background-clip:text}
.skip{position:absolute;left:-999px;top:0;background:var(--text);color:var(--bg);padding:10px 16px;z-index:200;border-radius:8px}
.skip:focus{left:14px;top:14px}
:focus-visible{outline:2.5px solid var(--accent);outline-offset:3px;border-radius:3px}
.brandbar{height:3px;background:var(--grad)}
.grain::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.5em;font-family:var(--sans);font-weight:600;font-size:15px;padding:14px 24px;border-radius:12px;border:1.5px solid transparent;cursor:pointer;transition:transform .18s cubic-bezier(.34,1.3,.64,1),background .2s,border-color .2s,color .2s}
.btn:active{transform:translateY(1px) scale(.99)}
.btn--primary{background:var(--accent);color:var(--on-accent)}
.btn--primary:hover{background:var(--accent-press)}
.btn--ghost{border-color:var(--line);color:var(--text);background:transparent}
.btn--ghost:hover{border-color:var(--accent);color:var(--accent-text);background:color-mix(in srgb,var(--accent) 8%,transparent)}
.btn--wa{background:#25D366;color:#08210F}
.btn--wa:hover{background:#1FBE5A}
.btn--lg{padding:16px 28px;font-size:16px}

/* nav */
.nav{position:sticky;top:0;z-index:100;background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:border-color .3s,background .3s}
.nav.scrolled{border-bottom-color:var(--line);background:color-mix(in srgb,var(--bg) 94%,transparent)}
.nav__in{display:flex;align-items:center;justify-content:space-between;height:72px;gap:18px}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--serif);font-weight:700;font-size:20px;letter-spacing:-.02em;flex:none}
.brand__logo{width:34px;height:34px;object-fit:contain}
.nav__links{display:flex;align-items:center;gap:30px;margin-left:auto}
.nav__links a{font-size:14.5px;font-weight:500;color:var(--text-soft);position:relative}
.nav__links a:hover{color:var(--text)}
.nav__links a::after{content:"";position:absolute;left:0;bottom:-7px;height:2px;width:0;background:var(--grad);transition:width .25s}
.nav__links a:hover::after{width:100%}
.nav__actions{display:flex;align-items:center;gap:10px}
.lang{position:relative}
.lang__btn{font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--text-soft);background:transparent;border:1px solid var(--line);border-radius:10px;padding:9px 11px;cursor:pointer;display:flex;align-items:center;gap:6px}
.lang__btn:hover{color:var(--text);border-color:var(--accent)}
.lang__menu{position:absolute;right:0;top:calc(100% + 8px);background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:6px;min-width:140px;box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(-6px);transition:.2s}
.lang:hover .lang__menu,.lang:focus-within .lang__menu,.lang.open .lang__menu{opacity:1;visibility:visible;transform:none}
.lang__menu a{display:flex;justify-content:space-between;gap:10px;padding:9px 11px;border-radius:8px;font-size:14px;color:var(--text-soft)}
.lang__menu a:hover{background:var(--surface-2);color:var(--text)}
.lang__menu a[aria-current="page"]{color:var(--accent-text)}
.lang__menu a span{font-family:var(--mono);font-size:11px}
.tt{width:40px;height:40px;border-radius:11px;display:grid;place-items:center;background:transparent;border:1px solid var(--line);cursor:pointer;color:var(--text);transition:background .2s,border-color .2s,transform .2s}
.tt:hover{border-color:var(--accent);transform:scale(1.05)}
.tt:active{transform:scale(.9)}
.tt-svg{width:20px;height:20px;overflow:visible;transition:transform .45s cubic-bezier(.34,1.3,.64,1)}
[data-theme="dark"] .tt-svg{transform:rotate(270deg)}
.tt-body{transition:transform .45s cubic-bezier(.34,1.3,.64,1);transform-origin:12px 12px;transform:scale(.55)}
[data-theme="dark"] .tt-body{transform:scale(1)}
.tt-mask-circle{transition:transform .45s cubic-bezier(.34,1.3,.64,1);transform:translate(21px,-12px)}
[data-theme="dark"] .tt-mask-circle{transform:translate(5px,-4px)}
.tt-rays{transition:opacity .35s ease,transform .45s cubic-bezier(.34,1.3,.64,1);transform-origin:12px 12px;opacity:1;transform:scale(1) rotate(0)}
[data-theme="dark"] .tt-rays{opacity:0;transform:scale(0) rotate(-30deg)}
.burger{display:none;width:42px;height:40px;border:1px solid var(--line);border-radius:11px;background:transparent;cursor:pointer;color:var(--text);place-items:center}
.burger svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round}

/* hero */
.hero{position:relative;overflow:hidden;padding:64px 0 88px}
.hero__glow{position:absolute;inset:-20% -10% auto -10%;height:560px;z-index:0;filter:blur(60px);opacity:.30;background:var(--grad);border-radius:50%}
.hero .wrap{position:relative;z-index:1}
.hero__grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(2.7rem,5.6vw,4.7rem);margin:20px 0 0;letter-spacing:-.025em}
.hero__sub{margin-top:26px;font-size:clamp(1.08rem,1.5vw,1.3rem);color:var(--text-soft);max-width:46ch}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero__proof{display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;margin-top:34px;font-family:var(--mono);font-size:12.5px;color:var(--text-faint)}
.hero__proof .dot{width:5px;height:5px;border-radius:50%;background:var(--accent)}
.hero__art{position:relative}
@media (prefers-reduced-motion:no-preference){.js .rise{opacity:0;transform:translateY(18px);animation:rise .8s cubic-bezier(.2,.7,.2,1) forwards}
.js .rise:nth-child(2){animation-delay:.07s}.js .rise:nth-child(3){animation-delay:.14s}.js .rise:nth-child(4){animation-delay:.21s}.js .rise:nth-child(5){animation-delay:.28s}
.js .hero__art{opacity:0;transform:translateY(22px);animation:rise .9s .2s cubic-bezier(.2,.7,.2,1) forwards}}
@keyframes rise{to{opacity:1;transform:none}}

.frame{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--surface);box-shadow:var(--shadow)}
.frame__bar{display:flex;align-items:center;gap:8px;padding:11px 14px;background:var(--surface-2);border-bottom:1px solid var(--line-2)}
.frame__dots{display:flex;gap:6px}
.frame__dots i{width:10px;height:10px;border-radius:50%;background:var(--text-faint);opacity:.5}
.frame__url{margin-left:6px;flex:1;font-family:var(--mono);font-size:11px;color:var(--text-faint);background:var(--bg);border:1px solid var(--line-2);border-radius:7px;padding:5px 10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.frame__view{position:relative;height:440px;overflow:hidden;background:#F4F0E8}
.frame__view iframe{width:100%;height:100%;border:0;display:block}
.frame__tag{position:absolute;right:12px;bottom:12px;background:var(--text);color:var(--bg);font-family:var(--mono);font-size:11px;padding:6px 11px;border-radius:8px;pointer-events:none}
/* botón "abrir el sitio en vivo" debajo de la preview */
.frame-open{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-family:var(--mono);font-size:12.5px;letter-spacing:.04em;color:var(--accent-text);border:1px solid var(--line);border-radius:10px;padding:9px 14px;transition:border-color .2s,color .2s}
.frame-open:hover{border-color:var(--accent);color:var(--accent)}
.hero__art{text-align:center}

/* sections */
.section{padding:104px 0;border-top:1px solid var(--line-2);position:relative}
.section--alt{background:var(--bg-2)}
.shead{max-width:60ch}
.shead h2{font-size:clamp(2.05rem,3.6vw,3.15rem);margin-top:15px}
.shead p{margin-top:18px;font-size:1.14rem;color:var(--text-soft)}
.strip{border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2);background:var(--bg-2)}
.strip .wrap{display:flex;flex-wrap:wrap;justify-content:center;gap:12px 26px;padding:20px 26px;font-family:var(--mono);font-size:12.5px;letter-spacing:.04em;color:var(--text-faint)}
.strip span{display:inline-flex;align-items:center;gap:9px}
.strip span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--grad)}

/* before/after */
.ba{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:50px}
.ba__col{border:1px solid var(--line);border-radius:18px;padding:32px;background:var(--surface)}
.ba__col--good{border-color:color-mix(in srgb,var(--accent) 45%,var(--line));background:linear-gradient(180deg,color-mix(in srgb,var(--accent) 7%,var(--surface)),var(--surface))}
.ba__tag{font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--text-faint)}
.ba__col--good .ba__tag{color:var(--accent-text)}
.ba__col h3{font-size:1.5rem;margin:12px 0 18px}
.ba__list{list-style:none;padding:0;margin:0;display:grid;gap:13px;font-size:1rem;color:var(--text-soft)}
.ba__list li{display:flex;gap:11px;align-items:flex-start}
.ba__list svg{flex:none;width:20px;height:20px;margin-top:2px}
.ico-x{stroke:var(--text-faint)}
.ico-c{stroke:var(--ok)}

/* cards */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:50px}
.card{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:32px;transition:transform .25s,border-color .25s}
.card:hover{transform:translateY(-5px);border-color:var(--accent)}
.card__ic{width:50px;height:50px;border-radius:13px;display:grid;place-items:center;background:color-mix(in srgb,var(--accent) 14%,transparent);margin-bottom:20px}
.card__ic svg{width:25px;height:25px;stroke:var(--accent-text);fill:none;stroke-width:1.7}
.card h3{font-size:1.4rem}
.card p{margin-top:11px;color:var(--text-soft);font-size:1.02rem}
.note{margin-top:28px;font-family:var(--mono);font-size:13px;color:var(--text-faint);border-left:2px solid var(--teal);padding-left:15px;max-width:64ch}

/* cases */
.case{display:grid;grid-template-columns:.8fr 1.2fr;gap:44px;align-items:center;margin-top:44px}
.case:nth-child(odd) .case__media{order:2}
.case__k{font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent-text)}
.case h3{font-size:1.7rem;margin:12px 0 14px}
.case p{color:var(--text-soft)}
.case__list{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:10px;font-size:.98rem}
.case__list li{display:flex;gap:10px}
.case__list svg{flex:none;width:19px;height:19px;stroke:var(--ok);fill:none;stroke-width:2;margin-top:3px}
.case__link{margin-top:22px;display:inline-flex;align-items:center;gap:7px;font-weight:600;color:var(--accent-text)}
.case__link:hover{gap:11px}

/* pricing */
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:50px;align-items:stretch}
.tier{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:34px;display:flex;flex-direction:column}
.tier--hot{border-color:transparent;background:var(--bg)}
.tier--hot::before{content:"";position:absolute;inset:0;border-radius:20px;padding:1.6px;background:var(--grad);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.tier__badge{position:absolute;top:-13px;left:34px;background:#7C3AED;color:#fff;font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;padding:6px 13px;border-radius:30px}
.tier__name{font-family:var(--mono);font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent-text)}
.tier__price{font-family:var(--serif);font-weight:700;font-size:2.6rem;letter-spacing:-.03em;margin:14px 0 2px;display:flex;align-items:baseline;gap:8px}
.tier__price small{font-family:var(--mono);font-size:.8rem;font-weight:400;color:var(--text-faint)}
.tier__for{font-size:.99rem;color:var(--text-soft);min-height:48px}
.tier__feats{list-style:none;padding:0;margin:22px 0 28px;display:grid;gap:12px;font-size:.99rem}
.tier__feats li{display:flex;gap:10px}
.tier__feats svg{flex:none;width:19px;height:19px;stroke:var(--ok);fill:none;stroke-width:2;margin-top:3px}
.tier .btn{margin-top:auto;justify-content:center}
.tiers__foot{margin-top:24px;text-align:center;font-family:var(--mono);font-size:13px;color:var(--text-faint)}

/* lead magnet */
.magnet{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:46px;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;position:relative;overflow:hidden}
.magnet__glow{position:absolute;right:-10%;top:-40%;width:380px;height:380px;background:var(--grad);filter:blur(70px);opacity:.16;border-radius:50%;pointer-events:none}
.magnet h2{font-size:clamp(1.7rem,2.8vw,2.4rem)}
.magnet p{margin-top:14px;color:var(--text-soft)}
.magnet form{display:flex;flex-direction:column;gap:12px;position:relative;z-index:1}
.magnet input{width:100%;padding:15px 16px;border-radius:12px;border:1px solid var(--line);background:var(--bg);color:var(--text);font-family:var(--sans);font-size:15px}
.magnet input:focus{border-color:var(--accent)}
.magnet__ok{display:none;font-family:var(--mono);font-size:13px;color:var(--ok);padding:10px 0}
.magnet__fine{font-family:var(--mono);font-size:11px;color:var(--text-faint)}

/* faq */
.faq{max-width:780px;margin:46px auto 0;border-top:1px solid var(--line)}
/* faq accordion (single-open, smooth) */
.faq__item{border-bottom:1px solid var(--line)}
.faq__q{width:100%;background:transparent;border:0;cursor:pointer;color:var(--text);padding:24px 6px;display:flex;justify-content:space-between;gap:18px;align-items:center;font-family:var(--serif);font-weight:600;font-size:1.22rem;text-align:left}
.faq__icon{flex:none;width:24px;height:24px;stroke:var(--accent-text);fill:none;stroke-width:2;stroke-linecap:round;transition:transform .4s cubic-bezier(.34,1.3,.64,1)}
.faq__item.open .faq__icon{transform:rotate(45deg)}
.faq__panel{display:grid;grid-template-rows:1fr;transition:grid-template-rows .42s cubic-bezier(.4,0,.2,1)}
.js .faq__panel{grid-template-rows:0fr}
.js .faq__item.open .faq__panel{grid-template-rows:1fr}
.faq__inner{overflow:hidden;min-height:0}
.faq__inner p{padding:2px 6px 26px;color:var(--text-soft);max-width:66ch;margin:0}
@media (prefers-reduced-motion:reduce){.faq__panel,.faq__icon{transition:none}}

/* sr-only (accesible, fuera de pantalla) */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* comparison table */
.cmp{margin-top:50px;overflow-x:auto;border:1px solid var(--line);border-radius:18px}
.cmp table{width:100%;border-collapse:collapse;min-width:560px}
.cmp th,.cmp td{padding:15px 18px;border-bottom:1px solid var(--line-2);text-align:center}
.cmp tr:last-child th,.cmp tr:last-child td{border-bottom:0}
.cmp thead th{font-family:var(--mono);font-size:12px;letter-spacing:.05em;text-transform:uppercase;color:var(--text-faint);font-weight:500;vertical-align:bottom}
.cmp tbody th{text-align:left;font-family:var(--sans);font-weight:500;font-size:.99rem;color:var(--text)}
.cmp td{font-size:.95rem;color:var(--text-soft)}
.cmp .yes{color:var(--ok);font-weight:600}
.cmp .mid{color:#E0A23F}
[data-theme="light"] .cmp .mid{color:#8A5E1C}
.cmp .no{color:var(--text-faint)}
.cmp .cmp__us{color:var(--accent-text)}
.cmp thead th.cmp__us{font-weight:700}
.cmp col.cmp__colus{background:color-mix(in srgb,var(--accent) 8%,transparent)}

/* final cta trust line */
.final__trust{margin-top:20px;font-family:var(--mono);font-size:12.5px;letter-spacing:.03em;color:var(--text-soft)}

/* founders band */
.founders{display:flex;align-items:center;gap:28px;flex-wrap:wrap;justify-content:center;text-align:center}
.founders__mark{flex:none;width:84px;height:84px;border-radius:20px;display:grid;place-items:center;font-family:var(--serif);font-weight:700;font-size:1.85rem;letter-spacing:-.02em;background:var(--grad);color:#fff;box-shadow:var(--shadow)}
.founders__body{max-width:560px}
.founders__body h2{font-size:clamp(1.5rem,2.4vw,2rem)}
.founders__body p{margin-top:12px;color:var(--text-soft)}
@media(min-width:680px){.founders{flex-wrap:nowrap;text-align:left}}

/* contact form (sin backend: arma el mensaje y abre WhatsApp/mail) */
.cform{max-width:560px;margin:30px auto 4px;display:grid;gap:12px;text-align:left}
.cform__row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.cform input,.cform textarea{width:100%;padding:14px 15px;border-radius:12px;border:1px solid var(--line);background:var(--surface);color:var(--text);font-family:var(--sans);font-size:15px}
.cform input:focus,.cform textarea:focus{border-color:var(--accent);outline:none}
.cform textarea{min-height:92px;resize:vertical}
.cform .btn{justify-content:center}
.cform__ok{display:none;font-family:var(--mono);font-size:13px;color:var(--ok);text-align:center;margin:0}
.cform__or{margin:8px auto 0;font-family:var(--mono);font-size:12px;letter-spacing:.04em;color:var(--text-faint);text-align:center}
@media(max-width:560px){.cform__row{grid-template-columns:1fr}}

/* final cta */
.final{text-align:center;max-width:720px;margin:0 auto;position:relative;z-index:1}
.final h2{font-size:clamp(2.2rem,4.2vw,3.4rem)}
.final p{margin:18px auto 0;color:var(--text-soft);font-size:1.18rem;max-width:52ch}
.final__btns{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:34px}
.final__fine{margin-top:18px;font-family:var(--mono);font-size:12.5px;color:var(--text-faint)}

/* footer */
.foot{border-top:1px solid var(--line);padding:60px 0 40px;background:var(--bg-2)}
.foot__grid{display:flex;flex-wrap:wrap;gap:32px;justify-content:space-between}
.foot__brand{max-width:330px}
.foot__brand p{margin-top:14px;color:var(--text-soft);font-size:.96rem}
.foot__cols{display:flex;gap:54px;flex-wrap:wrap}
.foot h3{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-faint);font-weight:400;margin:0 0 15px}
.foot a{display:block;color:var(--text-soft);font-size:.96rem;margin-bottom:10px}
.foot a:hover{color:var(--accent-text)}
.foot__base{margin-top:46px;padding-top:24px;border-top:1px solid var(--line-2);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-family:var(--mono);font-size:12px;color:var(--text-faint)}

/* whatsapp FAB */
.fab{position:fixed;right:20px;bottom:20px;z-index:80;width:58px;height:58px;border-radius:50%;background:#25D366;display:grid;place-items:center;box-shadow:0 14px 32px -8px rgba(0,0,0,.45);transition:transform .2s}
.fab:hover{transform:scale(1.08)}
.fab svg{width:30px;height:30px;fill:#fff}

/* mobile */
.mobile{display:none}
@media(max-width:920px){
  .hero__grid{grid-template-columns:1fr;gap:42px}
  .ba,.cards,.tiers{grid-template-columns:1fr}
  .case,.case:nth-child(odd) .case__media{grid-template-columns:1fr;gap:26px}
  .case:nth-child(odd) .case__media{order:0}
  .magnet{grid-template-columns:1fr;padding:34px}
  .tier--hot{order:-1}
  .nav__links{display:none}
  .burger{display:grid}
  .mobile{display:block;position:fixed;inset:0;z-index:99;background:var(--bg);padding:96px 30px 30px;transform:translateY(-100%);transition:transform .35s cubic-bezier(.34,1.1,.64,1);visibility:hidden}
  .mobile.open{transform:none;visibility:visible}
  .mobile a{display:block;font-family:var(--serif);font-weight:600;font-size:2rem;padding:15px 0;border-bottom:1px solid var(--line)}
  .mobile .btn{margin-top:26px;width:100%;justify-content:center}
}
@media(max-width:560px){.section{padding:74px 0}.frame__view{height:340px}.hero{padding:40px 0 64px}.fab{right:16px;bottom:16px}}

/* accesibilidad: respetar prefers-reduced-motion en todo el sitio */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
}