:root{
  --abyss:#070E12; --deep:#0E1A20; --shelf:#16252C; --slate:#243740;
  --steel:#6E838C; --haze:#A9BCC4; --bone:#E8EFF1;
  --clear:#31E8CE; --sun:#FFC24A;
  --display:"Bricolage Grotesque",system-ui,sans-serif;
  --body:"Instrument Sans",system-ui,sans-serif;
  --mono:"Space Mono",ui-monospace,monospace;
  --gutter:clamp(1.25rem,5vw,5rem);
  --rail:0px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--abyss);color:var(--bone);font-family:var(--body);
  font-size:clamp(1rem,.95rem + .25vw,1.125rem);line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit}

.rail{position:fixed;left:0;top:0;bottom:0;width:var(--rail);
  border-right:1px solid rgba(110,131,140,.22);display:flex;flex-direction:column;
  justify-content:space-between;padding:1.5rem 0;z-index:40;pointer-events:none;
  background:linear-gradient(180deg,rgba(7,14,18,.4),rgba(7,14,18,.85));backdrop-filter:blur(3px)}
.rail span{font-family:var(--mono);font-size:.62rem;letter-spacing:.14em;color:var(--steel);text-align:center}
.rail .marker{color:var(--clear)}
@media(max-width:820px){.rail{display:none}}

.shell{margin-left:var(--rail)}
section{padding:clamp(4rem,9vw,8rem) var(--gutter);position:relative}
.wrap{max-width:1080px;margin:0 auto}

.eyebrow{font-family:var(--mono);font-size:.68rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--steel);margin-bottom:1.25rem;display:flex;align-items:center;gap:.75rem}
.eyebrow::after{content:"";height:1px;flex:1;background:rgba(110,131,140,.3);max-width:120px}

h1,h2,h3{font-family:var(--display);line-height:1.03;letter-spacing:-.03em;font-weight:800}
h1{font-size:clamp(2.6rem,8vw,5.6rem)}
h2{font-size:clamp(2rem,5vw,3.4rem);margin-bottom:1.5rem}
h3{font-size:clamp(1.15rem,2vw,1.4rem);font-weight:600;letter-spacing:-.015em}
p{color:var(--haze);max-width:62ch}
strong{color:var(--bone);font-weight:600}

.lang{position:fixed;top:1rem;right:1rem;z-index:60;display:flex;
  border:1px solid rgba(110,131,140,.35);border-radius:999px;overflow:hidden;
  background:rgba(7,14,18,.75);backdrop-filter:blur(8px)}
.lang a{font-family:var(--mono);font-size:.66rem;letter-spacing:.1em;color:var(--steel);
  padding:.5rem .85rem;text-decoration:none}
.lang a[aria-current="true"]{background:var(--clear);color:var(--abyss);font-weight:700}
.lang a:focus-visible{outline:2px solid var(--sun);outline-offset:-2px}

.hero{min-height:100svh;display:flex;align-items:center;
  background:linear-gradient(180deg,rgba(7,14,18,.72) 0%,rgba(7,14,18,.58) 40%,rgba(7,14,18,.94) 88%,var(--abyss) 100%),
    url('img/playa-escondida.jpg') center 35%/cover no-repeat,
    linear-gradient(180deg,#123039,var(--abyss));
  padding-top:clamp(5rem,10vw,7rem)}
.hero .wrap{width:100%}
.brand{font-family:var(--display);font-weight:800;font-size:1.05rem;letter-spacing:.02em;margin-bottom:2rem}
.brand em{font-style:normal;color:var(--clear)}
.hero h1{margin:1rem 0 1.25rem}
.hero h1 .lede{display:block;color:var(--clear)}
.hero .sub{font-size:clamp(1.05rem,1.6vw,1.3rem);margin-bottom:2.25rem}
@media(max-width:820px){.hero{background-position:center 30%}}

.pricetag{display:inline-flex;align-items:baseline;gap:.6rem;flex-wrap:wrap;
  border:1px solid rgba(49,232,206,.35);border-radius:2px;padding:.7rem 1.1rem;
  margin-bottom:2rem;background:rgba(49,232,206,.06)}
.pricetag b{font-family:var(--display);font-size:1.6rem;font-weight:800;color:var(--bone)}
.pricetag span{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;color:var(--haze);text-transform:uppercase}

.btn{display:inline-flex;align-items:center;gap:.6rem;font-family:var(--body);font-weight:600;
  font-size:1rem;padding:.95rem 1.6rem;border-radius:2px;text-decoration:none;
  background:var(--clear);color:var(--abyss);border:1px solid var(--clear);
  transition:transform .15s ease,box-shadow .15s ease}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 30px -12px rgba(49,232,206,.65)}
.btn:focus-visible{outline:2px solid var(--sun);outline-offset:3px}
.btn.ghost{background:transparent;color:var(--bone);border-color:rgba(169,188,196,.4)}
.btn.ghost:hover{border-color:var(--clear);color:var(--clear);box-shadow:none}
.btn.sun{background:var(--sun);border-color:var(--sun);color:#241703}
.btn.sun:hover{box-shadow:0 10px 30px -12px rgba(255,194,74,.6)}
.btn.sm{font-size:.9rem;padding:.7rem 1.1rem}

.chain{background:var(--deep);border-block:1px solid rgba(110,131,140,.16)}
.chain ul{list-style:none;margin-bottom:2rem}
.chain li{font-family:var(--display);font-weight:800;letter-spacing:-.03em;
  font-size:clamp(2rem,7vw,4.2rem);line-height:1.04}
.chain li.cut{color:var(--slate);text-decoration:line-through;text-decoration-thickness:.07em}
.chain li.you{color:var(--clear)}
.chain .claim{font-family:var(--display);font-size:clamp(1.1rem,2.2vw,1.5rem);
  font-weight:600;color:var(--bone);margin-bottom:.75rem}

.photo{aspect-ratio:4/3;border-radius:2px;overflow:hidden;
  background:linear-gradient(140deg,#1D4048,#123039 60%,#0E1A20);
  border:1px solid rgba(110,131,140,.2);background-size:cover;background-position:center}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.5rem,4vw,3.5rem);align-items:center}
@media(max-width:760px){.grid2{grid-template-columns:1fr}}

.includes{list-style:none;margin:2rem 0}
.includes li{display:grid;grid-template-columns:auto 1fr;gap:1rem;padding:1.1rem 0;
  border-bottom:1px solid rgba(110,131,140,.16)}
.includes li::before{content:"";width:8px;height:8px;margin-top:.55rem;border-radius:50%;background:var(--clear)}
.includes b{display:block;color:var(--bone);font-weight:600;font-family:var(--display);letter-spacing:-.01em}
.includes small{color:var(--haze);font-size:.95rem;line-height:1.55}

.facts{display:flex;gap:2rem;flex-wrap:wrap;margin:2rem 0 2.5rem}
.facts div{border-left:2px solid var(--clear);padding-left:.9rem}
.facts dt{font-family:var(--mono);font-size:.62rem;letter-spacing:.16em;color:var(--steel);text-transform:uppercase}
.facts dd{font-family:var(--display);font-weight:600;font-size:1.05rem;margin-top:.2rem}

/* ---- services ---- */
.services{background:var(--deep)}
.svc{display:grid;grid-template-columns:auto 1fr auto;gap:clamp(1rem,3vw,2.5rem);
  align-items:start;padding:clamp(1.75rem,3vw,2.5rem) 0;border-bottom:1px solid rgba(110,131,140,.18)}
.svc:first-of-type{border-top:1px solid rgba(110,131,140,.18)}
.svc .no{font-family:var(--mono);font-size:.68rem;letter-spacing:.14em;color:var(--clear);padding-top:.45rem}
.svc h3{margin-bottom:.5rem}
.svc p{font-size:.97rem;margin-bottom:.6rem}
.svc .meta{font-family:var(--mono);font-size:.66rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--steel)}
.svc .act{text-align:right;white-space:nowrap}
.svc .price{font-family:var(--display);font-weight:800;font-size:1.25rem;
  color:var(--bone);display:block;margin-bottom:.7rem}
.svc .price em{font-style:normal;font-family:var(--mono);font-size:.62rem;
  letter-spacing:.12em;color:var(--steel);display:block;text-transform:uppercase}
.svc.closed .price{color:var(--steel)}
@media(max-width:760px){
  .svc{grid-template-columns:1fr;gap:.9rem}
  .svc .act{text-align:left}
  .svc .no{padding-top:0}
}

.reasons .cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
  gap:1px;background:rgba(110,131,140,.18);border:1px solid rgba(110,131,140,.18)}
.card{background:var(--abyss);padding:clamp(1.75rem,3vw,2.5rem)}
.card h3{margin-bottom:.8rem}
.card p{font-size:.97rem}

.shark{background:radial-gradient(90% 70% at 20% 100%,rgba(49,232,206,.09),transparent 65%),
  linear-gradient(180deg,var(--abyss),#040A0D);border-top:1px solid rgba(110,131,140,.16)}
.shark .depth{font-family:var(--mono);font-size:.68rem;letter-spacing:.2em;color:var(--clear);margin-bottom:1rem}
.shark h2{max-width:16ch}
.season{display:inline-block;font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--sun);border:1px solid rgba(255,194,74,.4);
  padding:.45rem .8rem;margin:1.75rem 0;border-radius:2px}

.club{background:var(--shelf)}
.club ul{list-style:none;margin:1.75rem 0 2.25rem}
.club li{padding:.7rem 0 .7rem 1.6rem;position:relative;color:var(--haze)}
.club li::before{content:"→";position:absolute;left:0;color:var(--clear);font-family:var(--mono)}

details{border-bottom:1px solid rgba(110,131,140,.18)}
summary{cursor:pointer;padding:1.35rem 0;font-family:var(--display);font-weight:600;
  font-size:1.05rem;list-style:none;display:flex;justify-content:space-between;gap:1rem;align-items:center}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--clear);font-family:var(--mono);font-size:1.3rem;flex:none}
details[open] summary::after{content:"–"}
summary:focus-visible{outline:2px solid var(--sun);outline-offset:2px}
details p{padding-bottom:1.35rem;font-size:.97rem}

footer{background:#040A0D;border-top:1px solid rgba(110,131,140,.16);text-align:center;
  padding:clamp(4rem,9vw,8rem) var(--gutter)}
footer h2{margin-bottom:1.5rem}
footer p{margin-left:auto;margin-right:auto}
.legal{font-family:var(--mono);font-size:.64rem;letter-spacing:.14em;
  color:var(--steel);text-transform:uppercase;margin-top:3rem}

.dock{position:fixed;left:0;right:0;bottom:0;z-index:50;display:none;padding:.7rem;
  background:rgba(7,14,18,.92);backdrop-filter:blur(10px);border-top:1px solid rgba(110,131,140,.22)}
.dock .btn{width:100%;justify-content:center}
@media(max-width:820px){.dock{display:block}body{padding-bottom:4.5rem}}

.up{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.up.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .up{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  .btn:hover{transform:none}
}

/* ============ v2: focus + trust ============ */
.nav{position:fixed;top:0;left:var(--rail);right:0;z-index:55;display:flex;
  align-items:center;justify-content:space-between;gap:1rem;
  padding:.85rem var(--gutter);background:rgba(7,14,18,0);transition:background .3s ease,border-color .3s ease;
  border-bottom:1px solid transparent}
.nav.stuck{background:rgba(7,14,18,.88);backdrop-filter:blur(14px);border-bottom-color:rgba(110,131,140,.18)}
.nav .mark{font-family:var(--display);font-weight:800;font-size:.95rem;letter-spacing:.01em;text-decoration:none}
.nav .mark em{font-style:normal;color:var(--clear)}
.nav .navlinks{display:flex;align-items:center;gap:1.4rem}
.nav .navlinks a{font-size:.85rem;color:var(--haze);text-decoration:none}
.nav .navlinks a:hover{color:var(--clear)}
@media(max-width:820px){.nav{left:0}.nav .navlinks a:not(.langlink){display:none}}

.hero{text-align:left}
.hero h1{max-width:16ch}
.hero .sub{max-width:52ch}
.bigcta{display:inline-flex;align-items:center;gap:.85rem;font-family:var(--display);
  font-weight:800;font-size:clamp(1.05rem,2vw,1.35rem);letter-spacing:-.01em;
  padding:1.25rem 2.2rem;border-radius:999px;text-decoration:none;
  background:var(--clear);color:var(--abyss);border:0;
  box-shadow:0 18px 48px -20px rgba(49,232,206,.8);
  transition:transform .18s ease,box-shadow .18s ease}
.bigcta:hover{transform:translateY(-3px);box-shadow:0 26px 60px -20px rgba(49,232,206,.95)}
.bigcta:focus-visible{outline:3px solid var(--sun);outline-offset:4px}
.bigcta svg{width:1.25em;height:1.25em;flex:none}
.micro{font-family:var(--mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--haze);margin-top:1.1rem}

.trust{background:var(--deep);border-block:1px solid rgba(110,131,140,.18);
  padding:clamp(1.5rem,3vw,2.25rem) var(--gutter)}
.trust ul{list-style:none;display:flex;flex-wrap:wrap;justify-content:center;
  gap:clamp(1.25rem,4vw,3.5rem);max-width:1080px;margin:0 auto}
.trust li{display:flex;flex-direction:column;align-items:center;text-align:center;gap:.3rem;min-width:130px}
.trust b{font-family:var(--display);font-weight:800;font-size:.95rem;color:var(--bone)}
.trust span{font-family:var(--mono);font-size:.6rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--steel)}

.now{background:linear-gradient(120deg,#123039,var(--abyss) 70%);
  border-bottom:1px solid rgba(110,131,140,.18)}
.now .wrap{display:grid;grid-template-columns:1fr auto;gap:clamp(1.5rem,4vw,3rem);align-items:center}
.now .tag{display:inline-block;font-family:var(--mono);font-size:.62rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--sun);border:1px solid rgba(255,194,74,.4);
  padding:.35rem .7rem;border-radius:2px;margin-bottom:1rem}
.now h2{font-size:clamp(1.6rem,3.5vw,2.4rem);margin-bottom:.75rem}
.now .amt{font-family:var(--display);font-weight:800;font-size:clamp(1.8rem,4vw,2.6rem);
  display:block;margin-bottom:.3rem;white-space:nowrap}
.now .amt em{font-style:normal;display:block;font-family:var(--mono);font-size:.6rem;
  letter-spacing:.12em;text-transform:uppercase;color:var(--steel)}
@media(max-width:760px){.now .wrap{grid-template-columns:1fr}}


/* ============ v3: logo, no rail ============ */
.rail{display:none}
.shell{margin-left:0}
.nav{left:0}
.nav .mark{display:flex;align-items:center;gap:.6rem;color:var(--bone)}
.logo{width:1.9em;height:1.9em;flex:none;color:var(--clear)}
.footmark{display:flex;justify-content:center;margin-bottom:1.75rem}
.footmark .logo{width:3.2rem;height:3.2rem}
.trust li b{white-space:nowrap}

/* ============ v4: gallery + real logo ============ */
.gallery{padding:0;background:var(--abyss)}
.gallery .strip{display:grid;grid-template-columns:repeat(3,1fr);gap:2px}
.gallery figure{position:relative;margin:0;aspect-ratio:4/3;overflow:hidden;background:var(--deep)}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .8s cubic-bezier(.2,.6,.2,1)}
.gallery figure:hover img{transform:scale(1.05)}
.gallery figcaption{position:absolute;left:0;right:0;bottom:0;padding:2.5rem 1.25rem 1.1rem;
  background:linear-gradient(180deg,transparent,rgba(4,10,13,.9));
  font-family:var(--mono);font-size:.63rem;letter-spacing:.14em;text-transform:uppercase;color:var(--bone)}
@media(max-width:760px){.gallery .strip{grid-template-columns:1fr}.gallery figure{aspect-ratio:16/10}}
.logo{width:2.2em;height:2.2em}
.footmark .logo{width:5rem;height:5rem}

/* ============ v5: why-us with photo ============ */
.reasons .split{display:grid;grid-template-columns:1fr 1.15fr;gap:clamp(1.5rem,4vw,3.5rem);align-items:stretch}
.reasons .shot{position:relative;min-height:320px;border:1px solid rgba(110,131,140,.2);overflow:hidden}
.reasons .shot img{width:100%;height:100%;object-fit:cover;display:block}
.reasons .shot figcaption{position:absolute;left:0;right:0;bottom:0;padding:3rem 1.4rem 1.3rem;
  background:linear-gradient(180deg,transparent,rgba(4,10,13,.92));
  font-family:var(--display);font-weight:600;font-size:1.02rem;color:var(--bone);line-height:1.35}
.reasons .cards{grid-template-columns:1fr}
@media(max-width:820px){.reasons .split{grid-template-columns:1fr}.reasons .shot{min-height:260px}}

/* ============ v6: hero treatment + flags ============ */
.hero{position:relative;isolation:isolate;background:var(--abyss);overflow:hidden}
.hero::before{content:"";position:absolute;inset:-2%;z-index:-2;
  background-image:url('img/cenote-diver.jpg');background-size:cover;background-position:62% 45%;
  filter:saturate(1.18) contrast(1.1) brightness(.95);
  animation:kenburns 30s ease-in-out infinite alternate}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;background:
  linear-gradient(100deg,rgba(7,14,18,.95) 0%,rgba(7,14,18,.82) 34%,rgba(7,14,18,.3) 68%,rgba(7,14,18,.7) 100%),
  linear-gradient(180deg,rgba(7,14,18,.6) 0%,transparent 26%,transparent 58%,rgba(7,14,18,.97) 100%),
  radial-gradient(70% 60% at 78% 42%,rgba(49,232,206,.14),transparent 62%)}
@keyframes kenburns{from{transform:scale(1.04) translate3d(0,0,0)}to{transform:scale(1.15) translate3d(-1.5%,-1%,0)}}
@media(prefers-reduced-motion:reduce){.hero::before{animation:none}}
@media(max-width:820px){.hero::before{background-position:64% 42%}}

.hero h1{text-shadow:0 2px 40px rgba(4,10,13,.75)}
.hero .sub{color:#CFDDE2;text-shadow:0 1px 24px rgba(4,10,13,.85)}

.flag{width:1.45rem;height:1.02rem;border-radius:2px;display:block;
  box-shadow:0 0 0 1px rgba(232,239,241,.22)}
.nav .navlinks a.langlink{display:flex;align-items:center;gap:.45rem;opacity:.75;transition:opacity .2s ease}
.nav .navlinks a.langlink:hover{opacity:1}
.nav .navlinks a.langlink span{font-family:var(--mono);font-size:.66rem;letter-spacing:.1em}
@media(max-width:820px){.nav .navlinks a.langlink{display:flex}}

/* ============ v7: whatsapp CTA + dive site pages ============ */
:root{--wa:#25D366;--wa-dark:#1EBE5A}
.bigcta{background:var(--wa);color:#04240F;
  box-shadow:0 0 0 0 rgba(37,211,102,.55),0 18px 50px -16px rgba(37,211,102,.85);
  animation:waglow 2.8s ease-in-out infinite}
.bigcta:hover{background:var(--wa-dark);color:#04240F;transform:translateY(-3px) scale(1.02);animation-play-state:paused;
  box-shadow:0 0 0 12px rgba(37,211,102,0),0 26px 64px -16px rgba(37,211,102,1)}
@keyframes waglow{
  0%{box-shadow:0 0 0 0 rgba(37,211,102,.5),0 18px 50px -16px rgba(37,211,102,.8)}
  70%{box-shadow:0 0 0 18px rgba(37,211,102,0),0 18px 50px -16px rgba(37,211,102,.55)}
  100%{box-shadow:0 0 0 0 rgba(37,211,102,0),0 18px 50px -16px rgba(37,211,102,.8)}}
@media(prefers-reduced-motion:reduce){.bigcta{animation:none}}
.dock .btn{background:var(--wa);border-color:var(--wa);color:#04240F}

.sites{background:var(--deep);border-top:1px solid rgba(110,131,140,.18)}
.sitegrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:1px;
  background:rgba(110,131,140,.18);border:1px solid rgba(110,131,140,.18);margin-top:2rem}
.sitecard{background:var(--deep);padding:1.5rem 1.4rem;text-decoration:none;display:flex;
  flex-direction:column;gap:.5rem;transition:background .2s ease}
.sitecard:hover{background:var(--shelf)}
.sitecard b{font-family:var(--display);font-weight:800;font-size:1.05rem;color:var(--bone);letter-spacing:-.02em}
.sitecard:hover b{color:var(--clear)}
.sitecard small{color:var(--haze);font-size:.9rem;line-height:1.5}
.sitecard .m{font-family:var(--mono);font-size:.6rem;letter-spacing:.14em;text-transform:uppercase;color:var(--steel);margin-top:auto;padding-top:.6rem}

.crumb{font-family:var(--mono);font-size:.63rem;letter-spacing:.14em;text-transform:uppercase;color:var(--steel);margin-bottom:1.25rem}
.crumb a{color:var(--steel);text-decoration:none}.crumb a:hover{color:var(--clear)}
.pagehero{padding-top:clamp(7rem,12vw,9rem);background:linear-gradient(180deg,#0E222A,var(--abyss))}
.pagehero h1{font-size:clamp(2.2rem,6vw,4rem);margin-bottom:1rem}
.spec{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1px;
  background:rgba(110,131,140,.18);border:1px solid rgba(110,131,140,.18);margin:2.5rem 0}
.spec div{background:var(--abyss);padding:1.1rem 1.2rem}
.spec dt{font-family:var(--mono);font-size:.6rem;letter-spacing:.14em;text-transform:uppercase;color:var(--steel)}
.spec dd{font-family:var(--display);font-weight:600;font-size:1rem;margin-top:.3rem}
.prose p{margin-bottom:1.1rem;max-width:66ch}


/* ============ v8: sticky dock removed ============ */
.dock{display:none !important}
@media(max-width:820px){body{padding-bottom:0}}