/* ============================================================
   ALBERCAS TULUM — modelo Coconut/Tulum Beach
   Lujo tranquilo: serif editorial, acento agua, papel cálido.
   ============================================================ */
:root{
  --bg:#fbfcfc;            /* papel frío muy claro */
  --bg-2:#eef5f4;          /* panel agua muy suave */
  --panel:#dcebe9;         /* arena-agua */
  --line:rgba(20,50,48,.12);
  --line-a:rgba(15,120,110,.32);
  --ink:#122a2a;           /* verde petróleo casi negro */
  --muted:#5c726f;
  --aqua:#16c0a0;       /* acento marca */
  --aqua-soft:#a9e0d6;
  --aqua-deep:#0d7a6c;
  --star:#e0a83c;
  --sans:"Outfit",system-ui,sans-serif;
  --serif:"Cormorant Garamond",Georgia,serif;
  --maxw:1280px;
  --pad:clamp(1.35rem,5vw,5rem);
  --ease:cubic-bezier(.22,1,.36,1);
  --s1:0 10px 30px -18px rgba(15,45,42,.25);
  --s2:0 30px 70px -40px rgba(15,45,42,.4);
  --s3:0 60px 120px -60px rgba(15,45,42,.45);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--sans);color:var(--ink);background:var(--bg);line-height:1.75;font-weight:300;font-size:1rem;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img,iframe,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
mark{background:none;color:var(--aqua-deep)}
::selection{background:var(--aqua-soft);color:var(--ink)}
:focus-visible{outline:1.5px solid var(--aqua);outline-offset:3px}

h1,h2,h3{font-family:var(--serif);font-weight:500;line-height:1.08;letter-spacing:.005em;color:var(--ink)}
h1 em,h2 em,h3 em{font-style:italic;font-weight:400;color:var(--aqua-deep)}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad)}

/* pill / eyebrow */
.pill{display:inline-flex;align-items:center;gap:.9rem;color:var(--aqua-deep);font-size:.66rem;font-weight:500;text-transform:uppercase;letter-spacing:.32em;margin-bottom:1.5rem}
.pill::before{content:"";width:30px;height:1px;background:var(--aqua);flex:none}
.pill--center{justify-content:center}

/* placeholder photo slots */
[data-ph]{position:relative;background:linear-gradient(135deg,var(--bg-2),var(--panel));overflow:hidden}
.ph-tag{position:absolute;top:50%;left:50%;translate:-50% -50%;width:max-content;font-size:.62rem;letter-spacing:.24em;text-transform:uppercase;color:rgba(20,50,48,.4);pointer-events:none;text-align:center}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.6rem;font-family:var(--sans);font-weight:500;font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;padding:1.15rem 2.4rem;cursor:pointer;border:1px solid var(--line-a);color:var(--aqua-deep);background:transparent;white-space:nowrap;position:relative;overflow:hidden;transition:color .5s var(--ease),border-color .5s var(--ease)}
.btn::before{content:"";position:absolute;inset:0;background:var(--aqua);transform:scaleX(0);transform-origin:left center;transition:transform .55s var(--ease)}
.btn>*{position:relative;z-index:1}
.btn:hover{color:#fff;border-color:var(--aqua)}
.btn:hover::before{transform:scaleX(1)}
.btn--fill{background:var(--aqua-deep);color:#fff;border-color:var(--aqua-deep)}
.btn--fill::before{background:var(--aqua)}
.btn--fill:hover{color:#fff;border-color:var(--aqua)}
.btn--sm{padding:.85rem 1.6rem;font-size:.66rem}
.btn .ic{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.8}

/* utility bar */
.util{background:var(--ink);color:rgba(251,252,252,.72);display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.55rem var(--pad);font-size:.7rem;letter-spacing:.1em;font-weight:300}
.util__loc{display:inline-flex;align-items:center;gap:.5rem}
.util__pin{color:var(--aqua-soft)}
.util__right{display:flex;align-items:center;gap:.7rem}
.util__right a:hover{color:var(--aqua-soft)}
.util__sep{opacity:.4}
@media(max-width:640px){.util__right span:last-child{display:none}}

/* nav */
.nav{position:sticky;top:0;z-index:100;background:rgba(251,252,252,.88);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.nav__inner{max-width:var(--maxw);margin:0 auto;padding:.85rem var(--pad);display:flex;align-items:center;justify-content:space-between;gap:1.5rem}
.brand{font-family:var(--serif);font-size:1.5rem;font-weight:600;letter-spacing:.01em;color:var(--ink);display:flex;align-items:center;gap:.5rem}
.brand b{color:var(--aqua-deep);font-weight:600}
.brand .drop{width:20px;height:24px;stroke:var(--aqua-deep);fill:none;stroke-width:1.6}
.nav__links{display:flex;gap:2.4rem}
.nav__links a{font-size:.68rem;letter-spacing:.2em;text-transform:uppercase;font-weight:400;color:var(--ink);position:relative;padding:.3rem 0;opacity:.75;transition:opacity .35s var(--ease)}
.nav__links a::after{content:"";position:absolute;left:0;bottom:-1px;height:1px;width:0;background:var(--aqua);transition:width .45s var(--ease)}
.nav__links a:hover{opacity:1}.nav__links a:hover::after{width:100%}
.nav__right{display:flex;align-items:center;gap:1.2rem}
.nav__toggle{display:none;background:none;border:none;cursor:pointer;width:30px;height:20px;position:relative}
.nav__toggle span{position:absolute;left:0;width:100%;height:1.5px;background:var(--ink);transition:.35s var(--ease)}
.nav__toggle span:first-child{top:4px}.nav__toggle span:last-child{bottom:4px}
.nav__mobile{display:none;flex-direction:column;gap:.2rem;padding:0 var(--pad) 1rem}
.nav__mobile a{padding:.7rem 0;border-bottom:1px solid var(--line);font-size:.8rem;letter-spacing:.12em;text-transform:uppercase}
@media(max-width:900px){
  .nav__links{display:none}
  .nav__toggle{display:block}
  .nav__mobile.open{display:flex}
  .nav__right .btn--book{display:none}
}

/* hero */
.hero{position:relative;min-height:clamp(560px,86vh,820px);display:flex;align-items:flex-end;color:#fff;overflow:hidden}
.hero__media{position:absolute;inset:0;background:linear-gradient(135deg,#0d7a6c,#0a4d47)}
.hero__media img,.hero__media video,.hero__vid{width:100%;height:100%;object-fit:cover}
.hero__media .ph-tag{color:rgba(255,255,255,.55)}
.hero__scrim{position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,30,28,.25) 0%,rgba(8,30,28,.15) 40%,rgba(8,30,28,.82) 100%)}
.hero__inner{position:relative;z-index:2;max-width:var(--maxw);margin:0 auto;width:100%;padding:0 var(--pad) clamp(3rem,7vw,6rem)}
.hero__kicker{display:block;font-family:var(--sans);font-size:.68rem;font-weight:500;letter-spacing:.3em;text-transform:uppercase;color:var(--aqua-soft);margin-bottom:1.4rem}
.hero h1{font-size:clamp(2.6rem,7vw,5rem);color:#fff;max-width:16ch;margin-bottom:1.5rem}
.hero h1 em{color:var(--aqua-soft)}
.hero__lede{font-size:clamp(1rem,2.2vw,1.2rem);max-width:52ch;color:rgba(255,255,255,.9);font-weight:300;margin-bottom:2rem}
.hero__cta{display:flex;gap:1rem;flex-wrap:wrap}
.hero__cta .btn{color:#fff;border-color:rgba(255,255,255,.4)}
.hero__cta .btn--fill{background:var(--aqua);border-color:var(--aqua)}
.hero__cta .btn:hover{border-color:#fff}
.hero__proof{display:inline-flex;align-items:center;gap:.6rem;flex-wrap:wrap;margin-top:1.8rem;font-size:.82rem;color:rgba(255,255,255,.88)}
.hero__proof .stars{color:var(--star);letter-spacing:.1em}
.hero__proof .sep{opacity:.4}

/* sections */
.section{padding:clamp(3.5rem,8vw,7rem) 0}
.section__head{max-width:640px;margin-bottom:clamp(2rem,4vw,3.2rem)}
.section__head--center{margin-left:auto;margin-right:auto;text-align:center}
.section__head h2{font-size:clamp(2rem,4.6vw,3.2rem)}
.section__lede{color:var(--muted);margin-top:1rem;font-size:1.02rem}
.section__lede--center{margin-left:auto;margin-right:auto}

/* statement */
.statement{background:var(--bg-2);text-align:center}
.statement__inner{max-width:900px;margin:0 auto;padding:clamp(3.5rem,7vw,6rem) var(--pad)}
.statement h2{font-size:clamp(1.8rem,4vw,2.8rem);margin-bottom:1.8rem}

/* welcome grid */
.welcome__grid{display:grid;gap:clamp(2rem,4vw,4rem);align-items:center}
@media(min-width:900px){.welcome__grid{grid-template-columns:1.05fr 1fr}}
.welcome__media{aspect-ratio:4/3;border-radius:4px;box-shadow:var(--s2)}
.welcome__stats{display:flex;gap:2.4rem;margin-top:2rem;flex-wrap:wrap}
.welcome__stats div{display:flex;flex-direction:column}
.welcome__stats strong{font-family:var(--serif);font-size:2.4rem;font-weight:600;color:var(--aqua-deep);line-height:1}
.welcome__stats span{font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-top:.4rem}

/* services */
.svc-grid{display:grid;gap:1.6rem}
@media(min-width:640px){.svc-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1000px){.svc-grid{grid-template-columns:repeat(4,1fr)}}
.svc-card{background:var(--bg);border:1px solid var(--line);border-radius:4px;overflow:hidden;transition:transform .4s var(--ease),box-shadow .4s var(--ease)}
.svc-card:hover{transform:translateY(-6px);box-shadow:var(--s2)}
.svc-card__media{aspect-ratio:4/3;display:block}
.svc-card__body{padding:1.6rem}
.svc-card__no{font-family:var(--serif);font-size:.9rem;color:var(--aqua);font-style:italic}
.svc-card__body h3{font-size:1.4rem;margin:.3rem 0 .6rem}
.svc-card__body p{color:var(--muted);font-size:.92rem;line-height:1.6}
.svc-card__more{display:inline-block;margin-top:1rem;font-size:.68rem;letter-spacing:.2em;text-transform:uppercase;color:var(--aqua-deep);font-weight:500}
.svc-card__more:hover{color:var(--aqua)}

/* process steps */
.steps{display:grid;gap:1.4rem;counter-reset:step}
@media(min-width:820px){.steps{grid-template-columns:repeat(3,1fr)}}
.step{border-top:1px solid var(--line-a);padding-top:1.6rem}
.step__no{counter-increment:step;font-family:var(--serif);font-style:italic;font-size:2.6rem;color:var(--aqua);line-height:1}
.step__no::before{content:"0" counter(step)}
.step h3{font-size:1.5rem;margin:.6rem 0 .5rem}
.step p{color:var(--muted);font-size:.95rem}

/* guarantee */
.guarantee{background:var(--ink);color:#fff;border-radius:6px;padding:clamp(2.4rem,5vw,3.6rem);display:grid;gap:1.6rem;align-items:center;text-align:center}
@media(min-width:760px){.guarantee{grid-template-columns:auto 1fr auto;text-align:left}}
.guarantee__seal{width:76px;height:76px;border-radius:50%;display:grid;place-items:center;margin:0 auto;border:1.5px solid var(--aqua);background:rgba(15,120,110,.18)}
.guarantee__seal svg{width:34px;height:34px;stroke:var(--aqua-soft);fill:none;stroke-width:1.6}
.guarantee h3{color:#fff;font-size:clamp(1.5rem,3vw,2rem);margin-bottom:.4rem}
.guarantee p{color:rgba(255,255,255,.78);font-size:.98rem}
.guarantee .btn{color:#fff;border-color:rgba(255,255,255,.4)}
.guarantee .btn:hover{border-color:#fff}

/* results / before-after */
.results__grid{display:grid;gap:1.4rem;grid-template-columns:repeat(2,1fr)}
@media(min-width:820px){.results__grid{grid-template-columns:repeat(3,1fr)}}
.results__grid figure{}
.rz{aspect-ratio:3/4;border-radius:4px;box-shadow:var(--s1);overflow:hidden}
.results__grid figcaption{font-family:var(--serif);font-style:italic;font-size:1.05rem;color:var(--ink);margin-top:.7rem;text-align:center}

/* zones */
.zones{display:flex;flex-wrap:wrap;gap:.7rem}
.zones a{border:1px solid var(--line);border-radius:999px;padding:.6rem 1.2rem;font-size:.78rem;letter-spacing:.06em;color:var(--muted);transition:.25s var(--ease)}
.zones a:hover{color:var(--aqua-deep);border-color:var(--aqua);background:var(--bg-2)}

/* reviews (solo reales) */
.rev-grid{display:grid;gap:1.4rem}
@media(min-width:760px){.rev-grid{grid-template-columns:repeat(3,1fr)}}
.rev-card{background:var(--bg);border:1px solid var(--line);border-radius:4px;padding:1.8rem}
.rev-card .stars{color:var(--star);letter-spacing:.1em;margin-bottom:.8rem}
.rev-card p{font-size:.96rem;line-height:1.65}
.rev-card .who{margin-top:1rem;font-weight:500;font-size:.85rem;letter-spacing:.05em}
.rev-card .who span{color:var(--muted);font-weight:300}

/* faq */
.faq details{border-bottom:1px solid var(--line);padding:0}
.faq summary{cursor:pointer;padding:1.3rem 0;font-weight:400;font-size:1.15rem;font-family:var(--serif);list-style:none;display:flex;justify-content:space-between;gap:1rem;align-items:center;color:var(--ink)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--aqua);font-size:1.6rem;transition:.3s;line-height:1}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq p{padding:0 0 1.4rem;color:var(--muted);max-width:70ch}

/* book / cta */
.book{background:var(--bg-2);text-align:center}
.book__inner{max-width:720px;margin:0 auto;padding:clamp(3.5rem,7vw,6rem) var(--pad)}
.book h2{font-size:clamp(2rem,4.6vw,3.2rem);margin-bottom:1.2rem}
.book p{color:var(--muted);margin-bottom:2rem}

/* footer */
footer{background:var(--ink);color:rgba(251,252,252,.7);padding:clamp(3rem,5vw,4.5rem) 0 7rem}
@media(min-width:760px){footer{padding-bottom:3.5rem}}
.foot-grid{display:grid;gap:2.4rem;grid-template-columns:1fr}
@media(min-width:760px){.foot-grid{grid-template-columns:2fr 1fr 1fr}}
footer .brand{color:#fff;margin-bottom:1rem}
footer .brand b{color:var(--aqua-soft)}
footer h4{color:#fff;font-family:var(--sans);font-size:.68rem;letter-spacing:.2em;text-transform:uppercase;margin-bottom:1.1rem;font-weight:500}
footer a{color:rgba(251,252,252,.7);display:block;margin-bottom:.6rem;font-size:.9rem;transition:.2s}
footer a:hover{color:var(--aqua-soft)}
.foot-copy{max-width:var(--maxw);margin:2.4rem auto 0;padding:1.6rem var(--pad) 0;border-top:1px solid rgba(255,255,255,.12);font-size:.78rem;letter-spacing:.06em;color:rgba(251,252,252,.5)}

/* floating whatsapp */
.wa-float{position:fixed;right:16px;bottom:84px;z-index:60;width:56px;height:56px;border-radius:50%;background:#25d366;display:grid;place-items:center;box-shadow:0 8px 26px rgba(37,211,102,.5)}
.wa-float svg{width:30px;height:30px;fill:#fff}
@media(min-width:760px){.wa-float{bottom:20px}}

/* sticky mobile cta */
.mbar{position:fixed;left:0;right:0;bottom:0;z-index:59;display:flex;gap:.6rem;padding:.7rem .8rem;background:rgba(251,252,252,.96);backdrop-filter:blur(12px);border-top:1px solid var(--line)}
.mbar a{flex:1;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-weight:500;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;padding:.95rem;border-radius:3px}
.mbar .primary{background:var(--aqua-deep);color:#fff}
.mbar .call{background:transparent;border:1px solid var(--line-a);color:var(--aqua-deep);flex:0 0 52px}
.mbar .ic{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:1.8}
@media(min-width:760px){.mbar{display:none}}

/* breadcrumb + prose */
.bc{max-width:var(--maxw);margin:0 auto;padding:1.2rem var(--pad) 0;font-size:.75rem;letter-spacing:.08em;color:var(--muted);text-transform:uppercase}
.bc a{color:var(--aqua-deep)}
.prose{max-width:760px}
.prose h2{font-size:clamp(1.6rem,3.4vw,2.1rem);margin:2rem 0 1rem}
.prose p{color:var(--muted);margin-bottom:1.1rem}
.prose ul{color:var(--muted);margin:0 0 1.1rem 1.3rem}
.prose li{margin-bottom:.5rem}
.prose .lead{font-size:1.15rem;color:var(--ink)}

@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}