/* ═══════════ Skin Fix · Catálogo virtual · Wellness Pharma ═══════════ */
:root{
  --ink:#101820; --ink-2:#26313B; --muted:#65727F; --muted-2:#94A3AE;
  --line:#E4EAEF; --line-2:#EFF3F6;
  --paper:#fff; --canvas:#F5F7F9; --canvas-2:#EDF1F4;
  --accent:#1B8FBE; --accent-d:#0F6E96; --accent-l:#5FC2E4; --accent-soft:#E7F4FA;
  --gold:#B99150; --wa:#25D366;
  --deep:#0D141A; --deep-2:#16212B; --deep-3:#1E2C38;
  --r-s:8px; --r-m:14px; --r-l:22px; --r-xl:30px;
  --sh-s:0 1px 2px rgba(16,24,32,.06), 0 4px 12px rgba(16,24,32,.05);
  --sh-m:0 2px 6px rgba(16,24,32,.07), 0 14px 34px rgba(16,24,32,.09);
  --sh-l:0 8px 20px rgba(16,24,32,.10), 0 34px 80px rgba(16,24,32,.16);
  --f-d:'Jost', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --f-b:'Inter', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --nav-h:68px;
  --page-ar:0.8104;      /* ancho/alto de una página */
  --book-ar:1.6207;      /* ancho/alto del pliego */
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--f-b);font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:var(--f-d);font-weight:300;letter-spacing:-.015em;margin:0;line-height:1.1}
p{margin:0}
svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.wrap{width:min(1240px,92vw);margin-inline:auto}
.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:12px 18px;z-index:999}
.skip:focus{left:12px;top:12px}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}

.kicker{font-family:var(--f-d);font-size:12px;letter-spacing:.24em;text-transform:uppercase;color:var(--accent);font-weight:500;margin-bottom:14px}
.kicker.light{color:var(--accent-l)}
.section{padding:clamp(64px,8vw,116px) 0}
.sec-head{max-width:620px;margin-bottom:clamp(34px,4vw,52px)}
.sec-head h2{font-size:clamp(30px,4.4vw,50px)}
.sec-lead{color:var(--muted);margin-top:16px;font-size:17px}

/* ─── botones ─── */
.btn{display:inline-flex;align-items:center;gap:9px;font-family:var(--f-b);font-weight:500;
  font-size:14px;padding:11px 18px;border-radius:100px;border:1px solid transparent;
  cursor:pointer;transition:.25s cubic-bezier(.3,.8,.4,1);white-space:nowrap}
.btn svg{width:17px;height:17px}
.btn-lg{font-size:15px;padding:15px 28px}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:var(--accent-d);transform:translateY(-2px);box-shadow:0 12px 26px rgba(15,110,150,.3)}
.btn-solid{background:var(--accent);color:#fff}
.btn-solid:hover{background:var(--accent-d)}
.btn-ghost{background:transparent;color:var(--ink-2);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink);background:var(--canvas)}
.btn-outline{background:transparent;color:var(--ink);border-color:#CBD5DC}
.btn-outline:hover{border-color:var(--ink);background:var(--canvas)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.32)}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-wa{background:var(--wa);color:#06331A;font-weight:600}
.btn-wa:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(37,211,102,.35)}

/* ═══ TOPBAR ═══ */
.topbar{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.82);
  backdrop-filter:saturate(180%) blur(16px);-webkit-backdrop-filter:saturate(180%) blur(16px);
  border-bottom:1px solid transparent;transition:.3s}
.topbar.stuck{border-bottom-color:var(--line);box-shadow:0 4px 22px rgba(16,24,32,.06)}
.topbar-in{height:var(--nav-h);display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:11px;margin-right:auto}
.brand-mark{width:34px;height:34px;object-fit:contain}
.brand-txt{display:flex;flex-direction:column;line-height:1.15}
.brand-1{font-family:var(--f-d);font-size:15px;font-weight:500;letter-spacing:.03em}
.brand-2{font-size:11px;color:var(--muted);letter-spacing:.09em;text-transform:uppercase}
.nav{display:flex;gap:26px}
.nav a{font-size:14px;color:var(--ink-2);position:relative;padding:4px 0;transition:color .2s}
.nav a::after{content:"";position:absolute;left:0;bottom:0;height:1.5px;width:0;background:var(--accent);transition:width .28s}
.nav a:hover{color:var(--accent-d)}
.nav a:hover::after{width:100%}
.topbar-cta{display:flex;gap:9px}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;padding:8px;cursor:pointer}
.burger span{width:22px;height:1.6px;background:var(--ink);transition:.28s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6.6px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6.6px) rotate(-45deg)}
.mobile-menu{display:none;flex-direction:column;border-top:1px solid var(--line);background:#fff}
.mobile-menu a{padding:15px 4vw;border-bottom:1px solid var(--line-2);font-size:15px}
.mobile-menu.open{display:flex}

/* ═══ HERO ═══ */
.hero{position:relative;overflow:hidden;background:linear-gradient(175deg,#fff 0%,#F3F8FB 48%,#E9F3F8 100%)}
.hero-bg{position:absolute;inset:0;pointer-events:none}
.orb{position:absolute;border-radius:50%;filter:blur(70px);opacity:.5}
.o1{width:520px;height:520px;background:#BFE4F2;top:-160px;right:-90px;animation:drift 22s ease-in-out infinite}
.o2{width:420px;height:420px;background:#DCEEF6;bottom:-140px;left:-100px;animation:drift 27s ease-in-out infinite reverse}
.o3{width:300px;height:300px;background:#F2E4D2;top:44%;right:34%;opacity:.34;animation:drift 32s ease-in-out infinite}
@keyframes drift{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(34px,-30px) scale(1.09)}}
.hero-in{position:relative;display:grid;grid-template-columns:1.06fr .94fr;gap:clamp(30px,5vw,72px);
  align-items:center;padding:clamp(56px,7vw,96px) 0 clamp(74px,9vw,120px)}
.hero h1{font-size:clamp(58px,9vw,124px);font-weight:200;letter-spacing:-.045em;line-height:.92;margin-bottom:10px}
.hero-tag{font-family:var(--f-d);font-size:clamp(13px,1.5vw,17px);letter-spacing:.34em;
  text-transform:uppercase;color:var(--muted);margin-bottom:26px}
.hero-lead{max-width:47ch;color:var(--ink-2);font-size:17px;line-height:1.72}
.hero-btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.hero-stats{display:flex;gap:clamp(24px,4vw,52px);margin:44px 0 0;padding-top:28px;border-top:1px solid rgba(16,24,32,.1)}
.hero-stats div{display:flex;flex-direction:column}
.hero-stats dt{font-family:var(--f-d);font-size:clamp(30px,4vw,44px);font-weight:300;color:var(--ink);line-height:1}
.hero-stats dd{margin:6px 0 0;font-size:12px;letter-spacing:.15em;text-transform:uppercase;color:var(--muted)}

.hero-art{position:relative;display:flex;justify-content:center;perspective:1600px}
.cover-tilt{position:relative;width:min(420px,80%);border-radius:4px;overflow:hidden;
  box-shadow:var(--sh-l);transform:rotateY(-13deg) rotateX(4deg) rotate(-1deg);
  transition:transform .9s cubic-bezier(.2,.7,.3,1);animation:floaty 7s ease-in-out infinite}
.cover-tilt:hover{transform:rotateY(-4deg) rotateX(1deg) scale(1.03)}
@keyframes floaty{0%,100%{translate:0 0}50%{translate:0 -14px}}
.cover-tilt img{width:100%}
.cover-gloss{position:absolute;inset:0;background:linear-gradient(115deg,rgba(255,255,255,.55) 0%,rgba(255,255,255,0) 34%,rgba(255,255,255,0) 62%,rgba(255,255,255,.28) 100%);mix-blend-mode:overlay}
.cover-floor{position:absolute;bottom:-26px;left:50%;translate:-50% 0;width:66%;height:26px;
  background:radial-gradient(ellipse,rgba(16,24,32,.24),transparent 70%);filter:blur(9px)}
.hero-scroll{position:absolute;bottom:22px;left:50%;translate:-50% 0;width:1px;height:44px;background:linear-gradient(var(--muted-2),transparent)}
.hero-scroll span{position:absolute;top:0;left:-2px;width:5px;height:5px;border-radius:50%;background:var(--accent);animation:sd 2.1s ease-in-out infinite}
@keyframes sd{0%{top:0;opacity:0}25%{opacity:1}100%{top:40px;opacity:0}}

/* ═══ VISOR ═══ */
.viewer{background:linear-gradient(180deg,var(--deep) 0%,var(--deep-2) 46%,#122029 100%);
  color:#E9EFF3;padding:clamp(52px,6.5vw,84px) 0 clamp(38px,5vw,60px);position:relative}
.viewer::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(1100px 460px at 50% 0%,rgba(58,168,208,.18),transparent 68%)}
.viewer-head{position:relative;display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;flex-wrap:wrap;margin-bottom:clamp(24px,3.4vw,40px)}
.viewer-head h2{font-size:clamp(28px,4vw,44px);color:#fff}
.viewer-head .kicker{color:var(--accent-l)}
.viewer-hint{font-size:13.5px;color:#93A6B4;max-width:38ch}
kbd{font-family:var(--f-b);font-size:11px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);
  border-radius:5px;padding:2px 6px;color:#CFDCE4}

.stage{position:relative;display:flex;align-items:center;justify-content:center;gap:14px;
  padding:0 clamp(8px,3vw,56px)}
.book-holder{position:relative;flex:1;display:flex;justify-content:center;perspective:2600px}

/* modo libro (2 páginas) */
.book{position:relative;width:min(1060px,100%);aspect-ratio:var(--book-ar);
  transform-style:preserve-3d;transition:transform .78s cubic-bezier(.42,.02,.24,1)}
.book.closed{transform:translateX(-25%)}
.book.ended{transform:translateX(25%)}
.book::after{content:"";position:absolute;left:6%;right:6%;bottom:-16px;height:22px;
  background:radial-gradient(ellipse at center,rgba(0,0,0,.55),transparent 72%);filter:blur(10px);z-index:0}
.leaf{position:absolute;top:0;left:50%;width:50%;height:100%;transform-origin:left center;
  transform-style:preserve-3d;transition:transform .78s cubic-bezier(.42,.02,.24,1)}
.leaf.flipped{transform:rotateY(-180deg)}
.face{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;
  overflow:hidden;background:#fff;cursor:zoom-in}
.face.back{transform:rotateY(180deg)}
.face img{width:100%;height:100%;object-fit:cover;display:block}
.face::after{content:"";position:absolute;top:0;bottom:0;width:9%;pointer-events:none}
.face.front::after{left:0;background:linear-gradient(90deg,rgba(0,0,0,.19),transparent)}
.face.back::after{right:0;background:linear-gradient(270deg,rgba(0,0,0,.19),transparent)}
.face .ph{position:absolute;inset:0;background:linear-gradient(110deg,#F2F5F7 30%,#E7ECF0 50%,#F2F5F7 70%);
  background-size:220% 100%;animation:shim 1.3s linear infinite}
@keyframes shim{to{background-position:-220% 0}}

/* modo una página (móvil) */
.reel-holder{display:none;width:min(560px,100%);overflow:hidden;border-radius:3px;
  box-shadow:0 20px 54px rgba(0,0,0,.5)}
.reel{display:flex;transition:transform .42s cubic-bezier(.3,.7,.3,1);will-change:transform}
.reel .slide{min-width:100%;aspect-ratio:var(--page-ar);background:#fff;cursor:zoom-in}
.reel .slide img{width:100%;height:100%;object-fit:cover}
body.mode-single .book{display:none}
body.mode-single .reel-holder{display:block}
body.mode-single .book-holder{perspective:none}

.nav-arrow{width:52px;height:52px;flex:0 0 52px;border-radius:50%;background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.16);color:#E9EFF3;cursor:pointer;display:grid;place-items:center;
  transition:.25s;backdrop-filter:blur(8px)}
.nav-arrow:hover:not(:disabled){background:var(--accent);border-color:var(--accent);transform:scale(1.09)}
.nav-arrow:disabled{opacity:.24;cursor:default}
.nav-arrow svg{width:22px;height:22px;stroke-width:1.6}

.controls{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:clamp(22px,3vw,34px)}
.ctrl-group{display:flex;align-items:center;gap:8px}
.ctrl{height:40px;min-width:40px;padding:0 11px;border-radius:100px;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);color:#DCE6EC;cursor:pointer;display:inline-flex;
  align-items:center;justify-content:center;gap:8px;font-family:var(--f-b);font-size:13px;transition:.22s}
.ctrl:hover:not(:disabled){background:rgba(255,255,255,.13);color:#fff;border-color:rgba(255,255,255,.3)}
.ctrl[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:#fff}
.ctrl:disabled{opacity:.26;cursor:default}
.ctrl svg{width:17px;height:17px}
.ctrl.labeled{padding:0 15px}
.pagebox{display:inline-flex;align-items:center;gap:6px;height:40px;padding:0 14px;border-radius:100px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);font-size:13.5px;color:#DCE6EC}
.pagebox input{width:40px;background:transparent;border:0;color:#fff;font-family:var(--f-b);font-size:14px;
  text-align:right;-moz-appearance:textfield}
.pagebox input::-webkit-outer-spin-button,.pagebox input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.pagebox input:focus{outline:none}
.pagebox-sep{color:var(--muted-2)}

.progress{margin-top:20px}
.progress-bar{height:2px;background:rgba(255,255,255,.12);border-radius:2px;overflow:hidden}
.progress-bar span{display:block;height:100%;width:2%;border-radius:2px;
  background:linear-gradient(90deg,var(--accent),var(--accent-l));transition:width .4s cubic-bezier(.3,.8,.3,1)}

.thumbs{margin-top:26px;border-top:1px solid rgba(255,255,255,.1);padding-top:20px}
.thumbs-rail{display:flex;gap:10px;overflow-x:auto;padding:4px 4vw 14px;scrollbar-width:thin;
  scrollbar-color:rgba(255,255,255,.28) transparent}
.thumbs-rail::-webkit-scrollbar{height:6px}
.thumbs-rail::-webkit-scrollbar-thumb{background:rgba(255,255,255,.26);border-radius:6px}
.thumb{flex:0 0 auto;width:74px;border-radius:3px;overflow:hidden;border:2px solid transparent;
  background:#fff;cursor:pointer;padding:0;position:relative;transition:.22s;opacity:.62}
.thumb img{width:100%;aspect-ratio:var(--page-ar);object-fit:cover}
.thumb span{position:absolute;bottom:0;left:0;right:0;font-size:10px;background:rgba(13,20,26,.78);
  color:#fff;padding:2px 0;text-align:center}
.thumb:hover{opacity:1;transform:translateY(-3px)}
.thumb.on{border-color:var(--accent-l);opacity:1}

/* ═══ LÍNEAS ═══ */
.lines{background:var(--canvas)}
.lines-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:18px}
.line-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-l);
  padding:26px 24px 22px;text-align:left;cursor:pointer;font-family:var(--f-b);overflow:hidden;
  transition:.3s cubic-bezier(.3,.8,.4,1)}
.line-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--c)}
.line-card::after{content:"";position:absolute;inset:0;background:var(--c);opacity:0;transition:opacity .3s}
.line-card:hover{transform:translateY(-5px);box-shadow:var(--sh-m);border-color:transparent}
.line-card:hover::after{opacity:.045}
.lc-n{font-family:var(--f-d);font-size:12px;letter-spacing:.14em;color:var(--c);font-weight:500;
  filter:brightness(.82) saturate(1.25)}
.lc-t{font-family:var(--f-d);font-size:24px;font-weight:400;margin:9px 0 10px;letter-spacing:.02em;position:relative}
.lc-d{font-size:14px;color:var(--muted);line-height:1.62;position:relative;min-height:66px}
.lc-f{display:flex;align-items:center;justify-content:space-between;margin-top:18px;padding-top:15px;
  border-top:1px solid var(--line-2);font-size:12.5px;color:var(--muted);position:relative}
.lc-go{display:inline-flex;align-items:center;gap:6px;color:var(--ink);font-weight:500;transition:gap .25s}
.line-card:hover .lc-go{gap:11px;color:var(--accent-d)}
.lc-go svg{width:15px;height:15px}

/* ═══ PRODUCTOS ═══ */
.search{position:relative;display:flex;align-items:center;max-width:560px;margin-bottom:14px}
.search svg{position:absolute;left:19px;width:19px;height:19px;color:var(--muted-2)}
.search input{width:100%;height:56px;padding:0 46px 0 50px;border-radius:100px;border:1px solid var(--line);
  background:#fff;font-family:var(--f-b);font-size:15.5px;color:var(--ink);transition:.25s;box-shadow:var(--sh-s)}
.search input::placeholder{color:var(--muted-2)}
.search input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft)}
#clearSearch{position:absolute;right:16px;width:26px;height:26px;border-radius:50%;border:0;
  background:var(--canvas-2);color:var(--muted);font-size:17px;line-height:1;cursor:pointer}
#clearSearch:hover{background:var(--ink);color:#fff}
.search-count{font-size:13px;color:var(--muted);min-height:20px;margin-bottom:22px}
.prod-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(268px,1fr));gap:16px}
.prod{display:flex;gap:15px;background:#fff;border:1px solid var(--line);border-radius:var(--r-m);
  padding:15px;text-align:left;cursor:pointer;font-family:var(--f-b);transition:.26s cubic-bezier(.3,.8,.4,1)}
.prod:hover{transform:translateY(-3px);box-shadow:var(--sh-m);border-color:transparent}
.prod-thumb{flex:0 0 62px;width:62px;aspect-ratio:var(--page-ar);border-radius:5px;overflow:hidden;
  background:var(--canvas-2);position:relative}
.prod-thumb img{width:100%;height:100%;object-fit:cover}
.prod-thumb::after{content:"";position:absolute;inset:0;box-shadow:inset 0 0 0 1px rgba(16,24,32,.07);border-radius:5px}
.prod-body{min-width:0;flex:1}
.prod-line{font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--c);font-weight:600;
  filter:brightness(.8) saturate(1.3)}
.prod-name{font-family:var(--f-d);font-size:18px;font-weight:400;margin:3px 0 5px;letter-spacing:.01em}
.prod-desc{font-size:12.8px;color:var(--muted);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;
  -webkit-box-orient:vertical;overflow:hidden}
.prod-pg{font-size:11.5px;color:var(--muted-2);margin-top:7px}
.no-res{grid-column:1/-1;text-align:center;padding:50px 0;color:var(--muted)}

/* ═══ MARCA ═══ */
.about-in{display:grid;grid-template-columns:1.25fr .75fr;gap:clamp(32px,5vw,72px);align-items:start}
.about h2{font-size:clamp(28px,3.8vw,44px);margin-bottom:38px}
.pillars{display:grid;gap:28px}
.pillars h3{font-family:var(--f-d);font-size:13px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--ink);font-weight:500;margin-bottom:10px;padding-left:16px;position:relative}
.pillars h3::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:2px;background:var(--accent)}
.pillars p{color:var(--muted);font-size:15.5px;line-height:1.75;padding-left:16px}
.badges{list-style:none;margin:0;padding:0;display:grid;gap:2px;background:var(--line);
  border-radius:var(--r-l);overflow:hidden;border:1px solid var(--line)}
.badges li{background:#fff;padding:22px 24px}
.badges strong{display:block;font-family:var(--f-d);font-size:16px;font-weight:500;margin-bottom:5px}
.badges span{font-size:13.5px;color:var(--muted);line-height:1.55}

/* ═══ CONTACTO ═══ */
.contact{background:linear-gradient(155deg,var(--deep) 0%,#152430 60%,#0F2A38 100%);color:#E9EFF3}
.contact-in{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(34px,5vw,72px);align-items:center}
.contact h2{font-size:clamp(28px,4vw,46px);color:#fff;margin-bottom:16px}
.contact-copy p{color:#9DB0BE;max-width:44ch;font-size:16.5px}
.contact-btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.contact-data{list-style:none;margin:0;padding:0;display:grid;gap:1px;background:rgba(255,255,255,.1);
  border-radius:var(--r-l);overflow:hidden}
.contact-data li{background:rgba(255,255,255,.035);padding:20px 24px;display:grid;
  grid-template-columns:104px 1fr;gap:14px;align-items:start}
.cd-k{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-l);padding-top:3px}
.cd-v{font-size:14.5px;color:#D6E1E8;line-height:1.62}
.cd-v a{border-bottom:1px solid rgba(255,255,255,.26)}
.cd-v a:hover{color:var(--accent-l);border-color:var(--accent-l)}

/* ═══ FOOT ═══ */
.foot{background:#0A1014;color:#7B8C99;padding:26px 0}
.foot-in{display:flex;align-items:center;gap:16px;flex-wrap:wrap;font-size:13px}
.foot-mark{width:30px;height:30px;object-fit:contain;filter:invert(1) brightness(1.7);opacity:.5}
.foot-in p{margin-right:auto}
.foot-top:hover{color:#fff}

/* ═══ WHATSAPP FLOTANTE ═══ */
.wa-float{position:fixed;right:18px;bottom:18px;z-index:55;width:54px;height:54px;border-radius:50%;
  background:var(--wa);color:#06331A;display:grid;place-items:center;box-shadow:0 8px 26px rgba(37,211,102,.42);
  transition:.28s;opacity:0;pointer-events:none;transform:scale(.6)}
.wa-float.show{opacity:1;pointer-events:auto;transform:scale(1)}
.wa-float:hover{transform:scale(1.09)}
.wa-float svg{width:26px;height:26px;stroke-width:1.7}

/* ═══ LIGHTBOX ═══ */
.lightbox{position:fixed;inset:0;z-index:100;background:rgba(8,12,16,.965);
  backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;
  animation:fade .25s ease}
@keyframes fade{from{opacity:0}}
.lb-canvas{width:100%;height:100%;display:grid;place-items:center;overflow:hidden;
  cursor:grab;touch-action:none;padding:64px 16px}
.lb-canvas.grabbing{cursor:grabbing}
.lb-canvas img{max-width:100%;max-height:100%;object-fit:contain;transform-origin:center center;
  transition:transform .22s cubic-bezier(.3,.8,.3,1);box-shadow:0 20px 70px rgba(0,0,0,.6);
  -webkit-user-drag:none;user-select:none}
.lb-canvas.dragging img{transition:none}
.lb-close{position:absolute;top:16px;right:18px;width:42px;height:42px;border-radius:50%;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);color:#fff;font-size:24px;
  line-height:1;cursor:pointer;z-index:2;transition:.22s}
.lb-close:hover{background:rgba(255,255,255,.22);transform:rotate(90deg)}
.lb-nav{position:absolute;top:50%;translate:0 -50%;width:48px;height:48px;border-radius:50%;
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);color:#fff;cursor:pointer;
  display:grid;place-items:center;z-index:2;transition:.22s}
.lb-nav:hover:not(:disabled){background:var(--accent);border-color:var(--accent)}
.lb-nav:disabled{opacity:.2;cursor:default}
.lb-prev{left:14px}.lb-next{right:14px}
.lb-bar{position:absolute;bottom:18px;left:50%;translate:-50% 0;display:flex;align-items:center;gap:12px;
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);border-radius:100px;
  padding:7px 16px;color:#DCE6EC;font-size:13px;backdrop-filter:blur(10px);z-index:2}
.lb-bar button{width:26px;height:26px;border-radius:50%;border:0;background:rgba(255,255,255,.12);
  color:#fff;font-size:16px;line-height:1;cursor:pointer;transition:.2s}
.lb-bar button:hover{background:var(--accent)}
.lb-sep{width:1px;height:16px;background:rgba(255,255,255,.2)}
#lbPct{min-width:44px;text-align:center}

/* ═══ REVELADOS ═══ */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s cubic-bezier(.2,.7,.3,1),transform .8s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}
.d1{transition-delay:.07s}.d2{transition-delay:.14s}.d3{transition-delay:.21s}
.d4{transition-delay:.28s}.d5{transition-delay:.35s}

/* ═══ RESPONSIVE ═══ */
@media (max-width:1080px){
  .nav{display:none}
  .hero-in{grid-template-columns:1fr;text-align:left}
  .hero-art{order:-1;margin-bottom:8px}
  .cover-tilt{width:min(300px,64%);transform:rotateY(-8deg) rotateX(3deg)}
  .about-in,.contact-in{grid-template-columns:1fr}
}
@media (max-width:760px){
  .burger{display:flex}
  .topbar-cta .btn-ghost{display:none}
  .brand-2{display:none}
  .stage{padding:0 6px;gap:6px}
  .nav-arrow{width:42px;height:42px;flex-basis:42px}
  .controls{justify-content:center}
  .ctrl.labeled span{display:none}
  .ctrl.labeled{padding:0 11px}
  .viewer-hint{display:none}
  .contact-data li{grid-template-columns:1fr;gap:5px}
  .lb-nav{display:none}
  .hero-stats{gap:22px}
}
@media (max-width:420px){
  .prod-grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001s!important;transition-duration:.05s!important}
  html{scroll-behavior:auto}
}

/* ═══════ Ajustes finales ═══════ */
.lightbox[hidden]{display:none}
section[id]{scroll-margin-top:calc(var(--nav-h) + 10px)}

/* El libro nunca debe salirse de la pantalla */
.book{width:min(1060px, 100%, calc((100svh - 330px) * var(--book-ar)))}
.reel-holder{width:min(560px, 100%, calc((100svh - 300px) * var(--page-ar)))}
@supports not (height: 100svh){
  .book{width:min(1060px, 100%, calc((100vh - 330px) * var(--book-ar)))}
  .reel-holder{width:min(560px, 100%, calc((100vh - 300px) * var(--page-ar)))}
}
#visor:fullscreen{padding:22px 0;display:flex;flex-direction:column;justify-content:center;overflow-y:auto}
#visor:fullscreen .viewer-head{display:none}
#visor:fullscreen .book{width:min(1400px, 100%, calc((100svh - 190px) * var(--book-ar)))}

/* Pistas de arrastre en móvil */
body.mode-single .reel-holder{touch-action:pan-y}
body.mode-single .reel .slide img{pointer-events:none}
.eyebrow{font-family:var(--f-d);font-size:13px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--accent-d);font-weight:500;margin-bottom:16px}

/* Los <span> dentro de los <button> deben apilarse */
.line-card{display:block;width:100%}
.lc-n,.lc-t,.lc-d{display:block}
.prod-thumb{display:block}
.prod-body{display:block}
.prod-line,.prod-name,.prod-pg{display:block}
.prod-desc{display:-webkit-box}

/* Evitar que los items flex crezcan con el ancho natural de las imágenes */
.stage{min-width:0}
.book-holder{min-width:0;max-width:100%}
.book{max-width:100%}
.reel-holder{max-width:100%;min-width:0}
.reel{min-width:0}
.topbar-in{min-width:0}
.brand{min-width:0}
.brand-txt{min-width:0;overflow:hidden}
.brand-1{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.skip{clip:rect(0 0 0 0);left:0;width:1px;height:1px;overflow:hidden}
.skip:focus{clip:auto;left:12px;top:12px;width:auto;height:auto}
.pagebox input{width:58px;text-align:center}

@media (max-width:480px){
  .topbar-cta .btn-solid span{display:none}
  .topbar-cta .btn-solid{padding:11px 14px}
  .brand-1{font-size:14px}
}
.wa-float.hide{opacity:0;pointer-events:none;transform:scale(.6)}