/* ============================================================
   Opción Viajes — Agencia de viajes & turismo · La Plata
   Identidad: petróleo profundo + ámbar (sol) + terracota (Catedral).
   Signature: la traza de La Plata con sus diagonales y plazas.
   ============================================================ */
:root{
  --ink:#10263A;
  --ink-2:#17324B;
  --petrol:#1E4E6B;
  --amber:#E9A23B;
  --amber-deep:#C9851F;
  --brick:#C4573C;
  --bone:#F5F0E6;
  --bone-2:#ECE4D4;
  --ink-soft:#4C5E6B;
  --wa:#25D366;
  --line:rgba(16,38,58,.12);
  --line-d:rgba(245,240,230,.14);
  --maxw:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bone);
  color:var(--ink-soft);
  font-family:"Inter",system-ui,sans-serif;
  font-size:clamp(15px,1.05vw,17px);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 clamp(1.1rem,4vw,2.2rem)}

h1,h2,h3,.brand-name{
  font-family:"Syne",system-ui,sans-serif;font-weight:700;line-height:1.04;
  letter-spacing:-.015em;color:var(--ink)}
h1 em,h2 em{font-style:normal;color:var(--brick)}
.eyebrow,.coord,.dest-k,.hero-tags,.serv-ic{font-family:"Space Mono",monospace}
.eyebrow{display:flex;align-items:center;gap:.6rem;font-size:.78rem;font-weight:400;
  letter-spacing:.05em;text-transform:uppercase;color:var(--amber-deep);margin-bottom:1rem}
.eyebrow span{width:22px;height:2px;background:var(--amber);display:inline-block}
.eyebrow.light{color:var(--amber)}

/* botones */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.6rem;
  font-family:"Syne",sans-serif;font-weight:700;font-size:.95rem;letter-spacing:.01em;
  padding:.85rem 1.6rem;border-radius:10px;border:2px solid transparent;cursor:pointer;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s,color .25s,border-color .25s}
.btn svg{width:19px;height:19px}
.btn-amber{background:var(--amber);color:#3a2405;box-shadow:0 12px 30px -12px rgba(233,162,59,.6)}
.btn-amber:hover{background:#f5b455;transform:translateY(-2px);box-shadow:0 18px 38px -12px rgba(233,162,59,.75)}
.btn-line{background:transparent;color:var(--bone);border-color:var(--line-d)}
.btn-line:hover{border-color:var(--amber);color:var(--amber);transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:var(--bone)}
.btn-dark:hover{background:var(--petrol);transform:translateY(-2px)}
.btn-lg{padding:1.05rem 2rem;font-size:1.05rem}

/* ===================== NAV ===================== */
.nav{position:sticky;top:0;z-index:40;background:rgba(16,38,58,.94);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line-d)}
.nav-in{display:flex;align-items:center;gap:1.4rem;padding:.7rem 0}
.brand{display:flex;align-items:center;gap:.7rem;flex-shrink:0;color:var(--bone)}
.brand-mark{width:34px;height:34px;color:var(--amber);flex-shrink:0}
.brand-mark svg{width:100%;height:100%}
.brand-text{display:flex;flex-direction:column;line-height:1}
.brand-name{font-size:1.24rem;color:var(--bone);letter-spacing:-.01em}
.brand-sub{font-family:"Space Mono",monospace;font-size:.62rem;letter-spacing:.1em;
  text-transform:uppercase;color:var(--amber);margin-top:.28rem}
.nav-links{display:flex;gap:1.7rem;margin-left:auto}
.nav-links a{font-size:.9rem;font-weight:500;color:rgba(245,240,230,.72);position:relative;padding:.3rem 0;transition:color .3s}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--amber);
  transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.nav-links a:hover{color:var(--bone)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-cta{margin-left:.4rem;padding:.6rem 1.2rem;font-size:.9rem}
.burger{display:none;margin-left:auto;width:42px;height:42px;background:none;border:1px solid var(--line-d);
  border-radius:8px;cursor:pointer;flex-direction:column;gap:5px;align-items:center;justify-content:center}
.burger span{width:19px;height:2px;background:var(--bone);transition:.3s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-mobile{position:fixed;inset:56px 0 auto 0;z-index:35;background:var(--ink-2);
  border-bottom:1px solid var(--line-d);display:flex;flex-direction:column;
  padding:1rem clamp(1.1rem,4vw,2.2rem) 1.4rem;gap:.3rem;
  transform:translateY(-130%);transition:transform .4s var(--ease)}
.nav-mobile.open{transform:translateY(0)}
.nav-mobile a{padding:.75rem .2rem;font-weight:500;color:var(--bone);border-bottom:1px solid var(--line-d)}
.nav-mobile .m-cta{margin-top:.8rem;border:none;color:#3a2405}

/* ===================== HERO ===================== */
.hero{position:relative;overflow:hidden;min-height:82svh;display:flex;align-items:center;background:var(--ink);
  padding:clamp(4rem,9vw,6.5rem) 0 clamp(3.5rem,7vw,5rem)}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-vid{width:100%;height:100%;object-fit:cover}
.hero-veil{position:absolute;inset:0;
  background:
    linear-gradient(92deg,rgba(16,38,58,.95) 0%,rgba(16,38,58,.74) 44%,rgba(16,38,58,.3) 74%,rgba(16,38,58,.55) 100%),
    linear-gradient(0deg,rgba(16,38,58,.85),transparent 34%,transparent 78%,rgba(16,38,58,.5))}
.hero-in{position:relative;z-index:1}
.hero-copy{max-width:37rem}
.coord{display:inline-flex;align-items:center;gap:.6rem;font-size:.76rem;letter-spacing:.04em;
  color:var(--amber);margin-bottom:1.2rem}
.coord span{width:8px;height:8px;border:1.5px solid var(--amber);border-radius:50%;flex-shrink:0}
.hero h1{font-size:clamp(2.7rem,6vw,4.5rem);color:var(--bone);font-weight:800;margin-bottom:1.2rem}
.hero h1 em{color:var(--amber)}
.hero-sub{font-size:1.08rem;color:rgba(245,240,230,.76);max-width:31rem;margin-bottom:1.9rem}
.hero-cta{display:flex;gap:.8rem;flex-wrap:wrap}
.hero-cta.center{justify-content:center}
.hero-tags{list-style:none;display:flex;gap:.6rem;flex-wrap:wrap;margin-top:1.8rem}
.hero-tags li{font-size:.76rem;letter-spacing:.04em;color:var(--bone);background:rgba(245,240,230,.08);
  border:1px solid var(--line-d);padding:.4rem .8rem;border-radius:999px}

/* ===================== SECTIONS ===================== */
.section{padding:clamp(3.2rem,6vw,5.4rem) 0}
.head{max-width:38rem;margin-bottom:clamp(2rem,4vw,3rem)}
.head h2{font-size:clamp(2rem,4vw,3rem)}
.head-lead{color:var(--ink-soft);margin-top:1rem;font-size:1.02rem}

/* servicios */
.servicios{background:var(--bone)}
.serv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.serv-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:1.9rem 1.7rem;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.serv-card:hover{transform:translateY(-5px);box-shadow:0 26px 50px -30px rgba(16,38,58,.4)}
.serv-ic{display:inline-grid;place-items:center;width:54px;height:54px;border-radius:12px;
  background:var(--ink);color:var(--amber);margin-bottom:1.2rem}
.serv-ic svg{width:28px;height:28px}
.serv-card h3{font-size:1.3rem;margin-bottom:.5rem}
.serv-card p{font-size:.95rem;color:var(--ink-soft)}

/* la plata (destinos) — fondo petróleo */
.laplata{background:radial-gradient(120% 90% at 20% 0%,var(--ink-2),var(--ink) 65%)}
.laplata .head h2{color:var(--bone)}
.laplata .head-lead{color:rgba(245,240,230,.7)}
.lp-top{display:grid;grid-template-columns:1fr .8fr;gap:clamp(1.6rem,4vw,3rem);align-items:center;
  margin-bottom:clamp(2rem,4vw,3rem)}
.lp-head{margin-bottom:0}
.plano{max-width:400px;margin:0 auto;text-align:center}
.plano svg{width:100%;height:auto;overflow:visible}
.plano figcaption{margin-top:.7rem;font-family:"Space Mono",monospace;font-size:.74rem;
  letter-spacing:.02em;color:rgba(245,240,230,.5)}
.ruta{stroke-dasharray:200;stroke-dashoffset:200;animation:trace 1.6s var(--ease) .3s forwards}
@keyframes trace{to{stroke-dashoffset:0}}
.moreno{transform-box:fill-box;transform-origin:center;animation:pulse 2.4s ease 1.9s infinite}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.22)}}
.dest-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.1rem}
.dest{background:rgba(245,240,230,.04);border:1px solid var(--line-d);border-radius:14px;padding:1.6rem 1.5rem;
  transition:transform .3s var(--ease),border-color .3s,background .3s}
.dest:hover{transform:translateY(-4px);border-color:var(--amber);background:rgba(245,240,230,.07)}
.dest-k{display:inline-block;font-size:.68rem;letter-spacing:.06em;text-transform:uppercase;color:var(--amber);
  margin-bottom:.8rem}
.dest h3{font-size:1.16rem;color:var(--bone);margin-bottom:.45rem}
.dest p{font-size:.9rem;color:rgba(245,240,230,.66)}
.dest-cta{background:var(--amber);border-color:var(--amber)}
.dest-cta h3{color:#3a2405}
.dest-cta p{color:#5c3d0e}
.link-arrow{display:inline-flex;align-items:center;gap:.4rem;margin-top:.9rem;font-family:"Syne",sans-serif;
  font-weight:700;font-size:.92rem;color:#3a2405;transition:gap .3s}
.link-arrow:hover{gap:.65rem}

/* band */
.band{position:relative;overflow:hidden;padding:clamp(3.6rem,7vw,6rem) 0}
.band img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.band-veil{position:absolute;inset:0;z-index:1;
  background:linear-gradient(100deg,var(--ink) 22%,rgba(16,38,58,.82) 52%,rgba(16,38,58,.4) 100%)}
.band-in{position:relative;z-index:2;max-width:33rem}
.band-in h2{color:var(--bone);font-size:clamp(1.9rem,3.6vw,2.7rem)}
.band-lead{margin:1rem 0 1.6rem;color:rgba(245,240,230,.8);font-size:1.02rem}

/* galería */
.galeria{background:var(--bone)}
.gal-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:.8rem}
.gal-item{display:block;position:relative;padding:0;border:none;border-radius:12px;overflow:hidden;
  cursor:zoom-in;aspect-ratio:3/4;background:var(--bone-2)}
.gal-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.gal-item::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(16,38,58,.35),transparent 45%);
  opacity:0;transition:opacity .3s var(--ease)}
.gal-item:hover img{transform:scale(1.06)}
.gal-item:hover::after{opacity:1}
.gal-note{margin-top:1.4rem;font-size:.82rem;color:var(--ink-soft);font-style:italic}

.lightbox{position:fixed;inset:0;z-index:80;background:rgba(10,20,30,.94);
  display:flex;align-items:center;justify-content:center;padding:2.5rem 1rem}
.lightbox[hidden]{display:none}
.lb-img{max-width:min(92vw,900px);max-height:82vh;border-radius:10px;box-shadow:0 30px 70px -20px rgba(0,0,0,.6)}
.lb-close,.lb-nav{position:absolute;background:rgba(245,240,230,.1);color:var(--bone);border:1px solid var(--line-d);
  border-radius:50%;cursor:pointer;display:grid;place-items:center;transition:.25s var(--ease)}
.lb-close:hover,.lb-nav:hover{background:var(--amber);color:var(--ink);border-color:var(--amber)}
.lb-close{top:1.2rem;right:1.2rem;width:44px;height:44px;font-size:1.6rem;line-height:1}
.lb-nav{top:50%;transform:translateY(-50%);width:48px;height:48px;font-size:1.1rem}
.lb-prev{left:1rem}
.lb-next{right:1rem}

/* nosotros */
.nosotros{background:var(--bone-2)}
.nos-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(2rem,4vw,3.6rem);align-items:center}
.lead{font-size:1.06rem;color:var(--ink);margin-bottom:1.4rem}
.nos-list{list-style:none;display:flex;flex-direction:column;gap:1rem;margin-bottom:1.8rem}
.nos-list li{position:relative;padding-left:1.6rem;font-size:.98rem;color:var(--ink-soft)}
.nos-list li::before{content:"";position:absolute;left:0;top:.55rem;width:9px;height:9px;
  background:var(--amber);border-radius:50%}
.nos-list b{color:var(--ink);font-weight:700}
.nos-side{display:flex;flex-direction:column;gap:1rem}
.stat{background:var(--ink);border-radius:14px;padding:1.5rem 1.6rem}
.stat b{display:block;font-family:"Syne",sans-serif;font-weight:800;font-size:1.7rem;color:var(--amber)}
.stat span{font-family:"Space Mono",monospace;font-size:.78rem;letter-spacing:.03em;color:rgba(245,240,230,.7)}

/* ===================== CTA FINAL ===================== */
.cta-final{background:radial-gradient(120% 100% at 50% 0%,var(--ink-2),var(--ink) 70%);text-align:center;
  padding:clamp(3.6rem,6vw,5.6rem) 0}
.cta-final .eyebrow{justify-content:center}
.cta-final h2{color:var(--bone);font-size:clamp(2.4rem,5vw,3.6rem);margin:.4rem 0 1rem}
.cta-final p{color:rgba(245,240,230,.75);max-width:32rem;margin:0 auto 1.9rem;font-size:1.04rem}
.socials{display:flex;justify-content:center;gap:.7rem;margin-top:1.9rem}
.socials a{width:46px;height:46px;display:grid;place-items:center;border-radius:50%;
  border:1px solid var(--line-d);color:var(--bone);transition:.3s var(--ease)}
.socials a:hover{background:var(--amber);color:var(--ink);border-color:var(--amber);transform:translateY(-3px)}
.socials svg{width:20px;height:20px}

/* ===================== FOOTER ===================== */
.footer{background:#0A1B29;color:rgba(245,240,230,.66);padding:clamp(2.4rem,5vw,3.4rem) 0 1.5rem}
.ft-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:2rem}
.ft-brand{display:flex;gap:.9rem;align-items:flex-start;color:var(--bone)}
.ft-brand .brand-mark{width:34px;height:34px;color:var(--amber);flex-shrink:0}
.ft-brand .brand-name{font-family:"Syne",sans-serif;font-weight:700;font-size:1.24rem;color:var(--bone);display:block}
.ft-brand p{color:rgba(245,240,230,.55);font-size:.9rem;margin-top:.5rem;max-width:24rem}
.ft-col h5{font-family:"Space Mono",monospace;font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--amber);margin-bottom:.9rem}
.ft-col a{display:block;font-size:.9rem;padding:.26rem 0;color:rgba(245,240,230,.66);transition:color .3s}
.ft-col a:hover{color:var(--bone)}
.ft-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:.6rem;
  margin-top:2rem;padding-top:1.2rem;border-top:1px solid var(--line-d);font-size:.8rem;color:rgba(245,240,230,.5)}
.ft-bottom a{color:var(--amber);font-weight:500}

/* ===================== WHATSAPP FLOAT ===================== */
.wa-float{position:fixed;right:1.1rem;bottom:1.1rem;z-index:50;width:56px;height:56px;border-radius:50%;
  background:var(--wa);color:#fff;display:grid;place-items:center;
  box-shadow:0 12px 30px -8px rgba(37,211,102,.6);transition:transform .3s var(--ease)}
.wa-float:hover{transform:scale(1.08)}
.wa-float svg{width:30px;height:30px}

/* ===================== RESPONSIVE ===================== */
@media (max-width:940px){
  .nav-links,.nav-cta.btn{display:none}
  .burger{display:flex}
  .lp-top{grid-template-columns:1fr;gap:1.6rem}
  .plano{max-width:320px;order:-1}
  .serv-grid,.dest-grid,.gal-grid{grid-template-columns:1fr 1fr}
  .nos-grid{grid-template-columns:1fr}
  .nos-side{flex-direction:row;flex-wrap:wrap}
  .stat{flex:1;min-width:140px}
  .ft-grid{grid-template-columns:1fr 1fr}
  .ft-brand{grid-column:1/-1}
}
@media (max-width:600px){
  .serv-grid,.dest-grid{grid-template-columns:1fr}
  .gal-grid{grid-template-columns:1fr 1fr;gap:.6rem}
  .hero-cta{flex-direction:column;align-items:stretch}
  .ft-grid{grid-template-columns:1fr}
  .ft-bottom{justify-content:center;text-align:center}
  .lb-nav{width:38px;height:38px}
  .lb-prev{left:.3rem}
  .lb-next{right:.3rem}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important}
  .ruta{stroke-dashoffset:0}
}