/* ===========================================================
   Waterways® — landing page
   Paleta tomada del logo: azul #12496C · teal #2E9BB4 · celeste #58BBD0 · ámbar #F2AE22
   =========================================================== */

:root{
  --navy:#12496C;
  --navy-2:#17587F;
  --deep:#0C3350;
  --teal:#2183A4;
  --teal-l:#58BBD0;
  --green:#2E9BB4;
  --amber:#F2AE22;
  --ink:#152430;
  --ink-2:#4B5E6C;
  --line:#DFE8EE;
  --bg:#FFFFFF;
  --bg-2:#F5F8FA;
  --wrap:1180px;
  --wrap-wide:1400px;
  --r:14px;
  --sh:0 10px 30px rgba(18,73,108,.12);
  --sh-lg:0 24px 60px rgba(18,73,108,.20);
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  font-size:17px;line-height:1.65;-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:Sora,Inter,"Segoe UI",Helvetica,Arial,sans-serif;line-height:1.14;margin:0;letter-spacing:-.01em}
p{margin:0 0 1em}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 22px}
.wrap--wide{max-width:var(--wrap-wide)}
.skip{position:absolute;left:-9999px;top:0;background:#fff;color:var(--navy);padding:10px 16px;z-index:200}
.foot__logo{display:block}
.skip:focus{left:10px;top:10px}
:focus-visible{outline:3px solid var(--teal-l);outline-offset:3px;border-radius:6px}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-weight:600;font-size:15.5px;padding:14px 26px;border-radius:999px;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s,color .25s,border-color .25s;
  white-space:nowrap;
}
.btn--primary{background:linear-gradient(135deg,var(--teal-l),var(--teal) 55%,var(--navy));color:#fff;box-shadow:0 10px 26px rgba(33,131,164,.38)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(33,131,164,.5)}
.btn--ghost{border-color:rgba(255,255,255,.55);color:#fff;backdrop-filter:blur(4px);background:rgba(255,255,255,.06)}
.btn--ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}
.btn--sm{padding:10px 18px;font-size:14.5px}
.btn--wa{background:#25D366;color:#08301b}
.btn--wa:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(37,211,102,.4)}

/* ---------- Nav ---------- */
.nav{position:fixed;inset:0 0 auto 0;z-index:60;transition:background .35s var(--ease),box-shadow .35s var(--ease),padding .35s var(--ease)}
.nav__in{display:flex;align-items:center;gap:20px;height:74px}
.nav__logo{display:block;flex:0 0 auto}
.nav__logo-img{height:42px;width:auto}
.nav__logo-img--dark{display:none}
.nav__links{display:flex;gap:26px;margin-left:auto;font-size:15.5px;font-weight:500}
.nav__links a{color:#fff;opacity:.92;position:relative;padding:4px 0}
.nav__links a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--amber);transition:width .3s var(--ease)}
.nav__links a:hover::after{width:100%}
.nav__burger{display:none;margin-left:auto;background:none;border:0;width:42px;height:42px;padding:9px;cursor:pointer}
.nav__burger span{display:block;height:2px;background:#fff;margin:5px 0;border-radius:2px;transition:.3s var(--ease)}
.nav__mobile{display:none}
[hidden]{display:none!important}

.nav.is-stuck{background:rgba(255,255,255,.96);box-shadow:0 4px 22px rgba(18,73,108,.12);backdrop-filter:saturate(140%) blur(8px)}
.nav.is-stuck .nav__logo-img--light{display:none}
.nav.is-stuck .nav__logo-img--dark{display:block}
.nav.is-stuck .nav__links a{color:var(--navy)}
.nav.is-stuck .nav__burger span{background:var(--navy)}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;flex-direction:column;justify-content:center;overflow:hidden;isolation:isolate}
.hero__bg{position:absolute;inset:0;z-index:-2}
.hero__bg img{width:100%;height:100%;object-fit:cover;object-position:center 55%;animation:heroZoom 22s var(--ease) forwards}
@keyframes heroZoom{from{transform:scale(1.10)}to{transform:scale(1)}}
.hero__veil{position:absolute;inset:0;z-index:-1;
  background:
   linear-gradient(180deg,rgba(7,28,45,.74) 0%,rgba(7,28,45,.34) 34%,rgba(7,28,45,.58) 70%,rgba(7,28,45,.94) 100%),
   radial-gradient(92% 72% at 16% 44%,rgba(9,42,66,.72) 0%,rgba(9,42,66,0) 70%);
}
.hero__in{padding:128px 22px 200px;position:relative}
.hero__eyebrow{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:13px;letter-spacing:.16em;text-transform:uppercase;font-weight:600;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);padding:8px 16px;border-radius:999px;margin-bottom:26px;backdrop-filter:blur(6px)}
.dot{width:8px;height:8px;border-radius:50%;background:var(--amber);box-shadow:0 0 0 0 rgba(242,166,73,.7);animation:pulse 2.4s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 10px rgba(242,166,73,0)}100%{box-shadow:0 0 0 0 rgba(242,166,73,0)}}
.hero__title{color:#fff;font-size:clamp(1.95rem,4.9vw,3.75rem);font-weight:700;max-width:24ch;text-shadow:0 2px 30px rgba(0,0,0,.35)}
.hero__title em{font-style:normal;background:linear-gradient(100deg,var(--amber),#FFD79A 60%,var(--amber));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero__sub{color:rgba(255,255,255,.9);font-size:clamp(1.02rem,1.5vw,1.2rem);max-width:60ch;margin:26px 0 34px}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px}

/* Franja móvil de imágenes */
.strip{position:absolute;left:0;right:0;bottom:0;padding:16px 0 20px;
  background:linear-gradient(180deg,rgba(8,24,40,0),rgba(8,24,40,.55));
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent);overflow:hidden}
.strip__track{display:flex;gap:12px;width:max-content;animation:slide 46s linear infinite}
.strip:hover .strip__track{animation-play-state:paused}
.strip__track img{width:190px;height:110px;object-fit:cover;border-radius:10px;border:1px solid rgba(255,255,255,.22);opacity:.88}
@keyframes slide{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- Credenciales ---------- */
.creds{background:var(--deep);color:#fff}
.creds__in{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;padding-top:34px;padding-bottom:34px}
.cred{text-align:center;padding:8px 10px;border-right:1px solid rgba(255,255,255,.14)}
.cred:last-child{border-right:0}
.cred b{display:block;font-family:Sora,sans-serif;font-size:1.7rem;font-weight:700;color:var(--amber);line-height:1.1}
.cred span{display:block;font-size:13.5px;color:rgba(255,255,255,.78);margin-top:6px}

/* ---------- Secciones ---------- */
.section{padding:104px 0}
.section--alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.head{max-width:64ch;margin:0 auto 52px;text-align:center}
.kicker{font-size:12.5px;letter-spacing:.2em;text-transform:uppercase;font-weight:700;color:var(--teal);margin:0 0 12px}
.kicker--light{color:var(--amber)}
.head h2,.about h2,.contact h2{font-size:clamp(1.75rem,3.4vw,2.65rem);font-weight:700;color:var(--navy)}
.lead{color:var(--ink-2);font-size:1.06rem;margin-top:16px}

/* ---------- Filtros ---------- */
.filtros{display:flex;flex-wrap:wrap;justify-content:center;gap:9px;margin:-28px 0 40px}
.filtro{font:inherit;font-size:14.5px;font-weight:500;color:var(--ink-2);background:#fff;
  border:1.5px solid var(--line);border-radius:999px;padding:9px 19px;cursor:pointer;
  transition:color .25s,border-color .25s,background .25s,transform .25s var(--ease)}
.filtro:hover{border-color:var(--teal-l);color:var(--navy);transform:translateY(-1px)}
.filtro.is-on{background:var(--navy);border-color:var(--navy);color:#fff}

/* ---------- Mosaico (masonry, sin recorte) ---------- */
.mosaic{columns:2;column-gap:12px}
.tile{position:relative;margin:0 0 12px;border-radius:var(--r);overflow:hidden;cursor:zoom-in;
  background:#dfe7ed;box-shadow:var(--sh);break-inside:avoid;-webkit-column-break-inside:avoid}
.tile img{width:100%;height:auto;display:block;transition:transform .9s var(--ease),filter .5s}
.tile.is-off{display:none}
.tile::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,25,40,0) 45%,rgba(10,25,40,.78) 100%);opacity:.85;transition:opacity .4s}
.tile figcaption{position:absolute;left:16px;right:16px;bottom:14px;z-index:2;color:#fff;font-size:13.5px;font-weight:600;
  transform:translateY(6px);opacity:0;transition:transform .45s var(--ease),opacity .45s var(--ease);text-shadow:0 1px 10px rgba(0,0,0,.5)}
.tile:hover img,.tile:focus-visible img{transform:scale(1.07)}
.tile:hover figcaption,.tile:focus-visible figcaption{transform:translateY(0);opacity:1}

@media (min-width:760px){ .mosaic{columns:3;column-gap:14px} .tile{margin-bottom:14px} }
@media (min-width:1120px){
  .mosaic{columns:4}
  .tile figcaption{opacity:1;transform:translateY(0);font-size:13.5px}
  .tile::after{opacity:.6}
  .tile:hover::after{opacity:.85}
}

/* ---------- Cards servicios ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:30px 26px;transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s}
.card:hover{transform:translateY(-5px);box-shadow:var(--sh);border-color:#CBD9E4}
.card__ico{width:50px;height:50px;border-radius:12px;display:grid;place-items:center;margin-bottom:18px;
  background:linear-gradient(135deg,rgba(88,187,208,.20),rgba(18,73,108,.14));color:var(--teal)}
.card__ico svg{width:26px;height:26px}
.card h3{font-size:1.16rem;color:var(--navy);margin-bottom:10px;font-weight:600}
.card p{color:var(--ink-2);font-size:15.3px;margin:0}

/* ---------- Nosotros ---------- */
.about{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.about h2{margin-bottom:20px}
.about p{color:var(--ink-2)}
.checks{list-style:none;padding:0;margin:26px 0 0;display:grid;gap:11px}
.checks li{position:relative;padding-left:32px;color:var(--ink);font-size:15.5px}
.checks li::before{content:"";position:absolute;left:0;top:6px;width:19px;height:19px;border-radius:50%;
  background:linear-gradient(135deg,var(--teal-l),var(--navy));
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2a10 10 0 1 0 0 20 10 10 0 0 0 0-20Zm-1.2 14.4-4-4 1.5-1.5 2.5 2.5 5.4-5.4 1.5 1.5-6.9 6.9Z'/%3E%3C/svg%3E") center/contain no-repeat;
  mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2a10 10 0 1 0 0 20 10 10 0 0 0 0-20Zm-1.2 14.4-4-4 1.5-1.5 2.5 2.5 5.4-5.4 1.5 1.5-6.9 6.9Z'/%3E%3C/svg%3E") center/contain no-repeat}
.about__img{position:relative;border-radius:var(--r);overflow:hidden;box-shadow:var(--sh-lg)}
.about__img img{width:100%;aspect-ratio:4/3;object-fit:cover}
.about__badge{position:absolute;left:18px;bottom:18px;right:18px;background:rgba(12,51,80,.88);backdrop-filter:blur(6px);color:#fff;border-radius:11px;padding:14px 18px}
.about__badge b{display:block;font-family:Sora,sans-serif;font-size:1rem;letter-spacing:.04em}
.about__badge span{font-size:13px;color:rgba(255,255,255,.8)}

/* ---------- Contacto ---------- */
.contact{background:linear-gradient(140deg,var(--deep) 0%,var(--navy) 48%,#1E7E9C 100%);color:#fff;padding:96px 0}
.contact__in{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.contact h2{color:#fff;margin-bottom:18px}
.contact__txt p{color:rgba(255,255,255,.82);max-width:46ch}
.contact__txt .kicker--light{color:var(--amber)}
.contact__box{display:grid;gap:13px}
.ctc{display:flex;align-items:center;gap:16px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  border-radius:13px;padding:16px 20px;transition:transform .3s var(--ease),background .3s,border-color .3s}
.ctc:hover{transform:translateX(5px);background:rgba(255,255,255,.15);border-color:rgba(255,255,255,.3)}
.ctc__ico{flex:0 0 auto;width:46px;height:46px;border-radius:11px;display:grid;place-items:center;background:rgba(255,255,255,.14);color:#fff}
.ctc__ico--wa{background:#25D366;color:#08301b}
.ctc__ico svg{width:23px;height:23px}
.ctc__t b{display:block;font-size:16px;font-weight:600;word-break:break-word}
.ctc__t small{color:rgba(255,255,255,.68);font-size:13px}

/* ---------- Footer ---------- */
.foot{background:#0A2B43;color:#fff;padding:48px 0}
.foot__in{text-align:center}
.foot__logo{height:96px;width:auto;margin:0 auto 18px}
.foot__txt{color:rgba(255,255,255,.76);font-size:14.5px;margin-bottom:6px}
.foot__meta{color:rgba(255,255,255,.45);font-size:13px;margin:0}

/* ---------- FAB WhatsApp ---------- */
.fab{position:fixed;right:18px;bottom:18px;z-index:55;width:56px;height:56px;border-radius:50%;
  background:#25D366;color:#08301b;display:grid;place-items:center;box-shadow:0 10px 26px rgba(0,0,0,.28);
  transition:transform .3s var(--ease)}
.fab:hover{transform:scale(1.08)}

/* ---------- Lightbox ---------- */
.lb{position:fixed;inset:0;z-index:100;background:rgba(6,16,26,.95);display:grid;place-items:center;padding:26px;
  opacity:0;transition:opacity .3s var(--ease)}
.lb.is-open{opacity:1}
.lb__fig{margin:0;max-width:min(1400px,94vw);text-align:center}
.lb__fig img{max-width:100%;max-height:82vh;border-radius:10px;object-fit:contain;box-shadow:0 30px 80px rgba(0,0,0,.6)}
.lb__fig figcaption{color:rgba(255,255,255,.82);font-size:14.5px;margin-top:16px}
.lb__x{position:absolute;top:14px;right:18px;background:none;border:0;color:#fff;font-size:42px;line-height:1;cursor:pointer;opacity:.8;padding:6px 12px}
.lb__x:hover{opacity:1}
.lb__nav{position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
  color:#fff;font-size:32px;line-height:1;width:52px;height:52px;border-radius:50%;cursor:pointer;transition:background .25s}
.lb__nav:hover{background:rgba(255,255,255,.24)}
.lb__nav--prev{left:16px}
.lb__nav--next{right:16px}
body.no-scroll{overflow:hidden}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:960px){
  .about,.contact__in{grid-template-columns:1fr;gap:36px}
  .creds__in{grid-template-columns:repeat(2,1fr);gap:18px}
  .cred{border-right:0}
}
@media (max-width:820px){
  body{font-size:16px}
  .nav__links{display:none}
  .nav .btn--wa{display:none}
  .nav__burger{display:block}
  .nav__mobile{display:block;background:rgba(255,255,255,.98);box-shadow:0 14px 30px rgba(18,73,108,.16);
    padding:10px 22px 18px;backdrop-filter:blur(8px)}
  .nav__mobile a{display:block;padding:13px 0;border-bottom:1px solid var(--line);color:var(--navy);font-weight:500}
  .nav__mobile a:last-child{border-bottom:0}
  .nav__mobile-cta{color:var(--teal)!important;font-weight:700!important}
  .nav.is-open .nav__burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav.is-open .nav__burger span:nth-child(2){opacity:0}
  .nav.is-open .nav__burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .nav.is-open{background:rgba(255,255,255,.98)}
  .nav.is-open .nav__logo-img--light{display:none}
  .nav.is-open .nav__logo-img--dark{display:block}
  .nav.is-open .nav__burger span{background:var(--navy)}
  .hero__in{padding:118px 22px 178px}
  .section{padding:72px 0}
  .contact{padding:72px 0}
  .strip__track img{width:140px;height:84px}
  .lb__nav{width:44px;height:44px;font-size:26px}
  .lb__nav--prev{left:6px}
  .lb__nav--next{right:6px}
}
@media (max-width:520px){
  .hero__title{font-size:2rem}
  .mosaic{column-gap:9px}
  .filtros{gap:7px;margin:-22px 0 30px}
  .filtro{font-size:13.5px;padding:8px 15px}
  .tile figcaption{font-size:12px;left:11px;right:11px;bottom:10px}
  .creds__in{grid-template-columns:1fr 1fr}
  .cred b{font-size:1.4rem}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

@media print{
  .nav,.fab,.strip,.lb{display:none!important}
  .hero{min-height:auto}
}