/* ══════════════════════════════════════════════════════════
   Blue Line Service — Rediseño (salardeuyunitour.com)
   Basado en prototipo/index.html (estilo tourlagochungara.com)

   Paleta (variante cian/océano — agua-espejo del Salar):
     Azul        : #0B6EA5
     Azul oscuro : #08567F
     Azul claro  : #1790C6
     Marrón      : #713B13
     Beige       : #ECDBBB
     Arena       : #D8C8A6
   Fuente: Poppins
   ══════════════════════════════════════════════════════════ */
:root{
  --azul:#0B6EA5; --azul-dark:#08567F; --azul-light:#1790C6;
  --marron:#713B13; --marron-dark:#552C0E;
  --beige:#ECDBBB; --arena:#D8C8A6;
  --blanco:#FFFFFF; --gris-light:#F7F5F0; --gris-mid:#E8E4DC;
  --texto:#1A1A1A; --texto-muted:#6B6B6B;
  --font-main:'Poppins',sans-serif;
  --transition:.3s ease;
  --shadow-sm:0 2px 8px rgba(0,0,0,.08);
  --shadow-md:0 4px 20px rgba(11,110,165,.12);
  --shadow-lg:0 8px 40px rgba(11,110,165,.18);
  --radius:12px; --radius-lg:20px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px}
body{font-family:var(--font-main);color:var(--texto);background:var(--blanco);overflow-x:clip;line-height:1.7}
img{max-width:100%;height:auto}
a{text-decoration:none;color:inherit}
h1,h2,h3,h4,h5{font-weight:700;line-height:1.25;color:var(--azul)}
.text-marron{color:var(--marron)!important}
.text-azul{color:var(--azul)!important}
.text-beige{color:var(--beige)!important}
.bg-azul{background-color:var(--azul)!important}
.bg-azul-dark{background-color:var(--azul-dark)!important}
.bg-beige{background-color:var(--beige)!important}
.bg-arena{background-color:var(--arena)!important}
.bg-gris{background-color:var(--gris-light)!important}

/* ── Navbar ─────────────────────────────────────────────── */
#mainNav{background:rgba(8,86,127,.97);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);transition:background var(--transition),box-shadow var(--transition);padding:.6rem 0;z-index:1050}
#mainNav.scrolled{background:rgba(8,86,127,1);box-shadow:var(--shadow-md)}
.navbar-brand img{height:52px;width:auto}
.navbar-nav .nav-link{color:rgba(255,255,255,.88)!important;font-weight:500;font-size:.88rem;letter-spacing:.04em;text-transform:uppercase;padding:.5rem 1rem!important;position:relative}
.navbar-nav .nav-link::after{content:'';position:absolute;bottom:0;left:1rem;right:1rem;height:2px;background:var(--beige);transform:scaleX(0);transition:transform var(--transition);transform-origin:center}
.navbar-nav .nav-link:hover,.navbar-nav .nav-link.active{color:var(--beige)!important}
.navbar-nav .nav-link:hover::after,.navbar-nav .nav-link.active::after{transform:scaleX(1)}
.navbar-nav .dropdown-menu{background:var(--azul-dark);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:.4rem;margin-top:.5rem}
.navbar-nav .dropdown-menu .nav-link{color:rgba(255,255,255,.85)!important;font-size:.82rem;border-radius:8px}
.navbar-nav .dropdown-menu .nav-link:hover{color:var(--beige)!important;background:rgba(255,255,255,.08)}
.navbar-nav .dropdown-menu .nav-link::after{display:none}
.btn-nav-cta{background:var(--marron);color:#fff!important;border-radius:24px;padding:.45rem 1.2rem!important;font-weight:600;transition:background var(--transition),transform var(--transition)}
.btn-nav-cta:hover{background:var(--marron-dark);transform:translateY(-1px)}
.btn-nav-cta::after{display:none!important}
.nav-lan{color:rgba(255,255,255,.65);font-size:.72rem;font-weight:700;letter-spacing:.08em;padding:.15rem .35rem;border-radius:3px}
.nav-lan:hover{color:var(--beige)}
.nav-lan-active{color:var(--beige);border-bottom:2px solid var(--beige)}
.navbar-toggler{border:1px solid rgba(255,255,255,.4)}
.navbar-toggler-icon{background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28236,219,187,0.9%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e")}
.nav-contact-bar{background:var(--azul-dark);font-size:.8rem;padding:.35rem 0;color:var(--beige)}
.nav-contact-bar a{color:var(--beige);transition:color var(--transition)}
.nav-contact-bar a:hover{color:#fff}
.nav-contact-bar .separator{margin:0 .6rem;opacity:.4}

/* ── Hero slider ────────────────────────────────────────── */
.hero-slide{height:92vh;min-height:560px;position:relative;overflow:hidden;display:flex;align-items:center}
.hero-slide::before{content:'';position:absolute;inset:0;z-index:1;background:linear-gradient(135deg,rgba(8,86,127,.72) 0%,rgba(8,86,127,.40) 50%,rgba(0,0,0,.20) 100%)}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center;display:block}
.hero-content{position:relative;z-index:2;max-width:680px}
.hero-badge{display:inline-block;background:var(--marron);color:#fff;font-size:.78rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;padding:.35rem 1rem;border-radius:20px;margin-bottom:1rem}
.hero-title{font-size:clamp(2.2rem,5vw,3.8rem);font-weight:800;color:#fff;line-height:1.15;margin-bottom:1rem;text-shadow:0 2px 12px rgba(0,0,0,.3)}
.hero-subtitle{font-size:clamp(1rem,2vw,1.2rem);color:rgba(255,255,255,.9);margin-bottom:2rem;max-width:520px}
.hero-actions{display:flex;gap:1rem;flex-wrap:wrap}
#heroCarousel .carousel-indicators [data-bs-target]{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.5);border:none}
#heroCarousel .carousel-indicators .active{background:var(--beige);transform:scale(1.3)}
#heroCarousel .carousel-control-prev,#heroCarousel .carousel-control-next{width:50px;height:50px;background:rgba(255,255,255,.12);border-radius:50%;top:50%;bottom:auto;transform:translateY(-50%);opacity:.7}
#heroCarousel .carousel-control-prev{left:1.5rem}
#heroCarousel .carousel-control-next{right:1.5rem}

/* ── Buttons ────────────────────────────────────────────── */
.btn-brand{background:var(--marron);color:#fff;border:none;border-radius:30px;padding:.75rem 2rem;font-weight:600;font-size:.9rem;letter-spacing:.04em;transition:all var(--transition)}
.btn-brand:hover{background:var(--marron-dark);color:#fff;transform:translateY(-2px);box-shadow:0 6px 20px rgba(113,59,19,.35)}
.btn-outline-brand{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.7);border-radius:30px;padding:.72rem 1.8rem;font-weight:600;font-size:.9rem;transition:all var(--transition)}
.btn-outline-brand:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;transform:translateY(-2px)}
.btn-azul{background:var(--azul);color:#fff;border:none;border-radius:30px;padding:.75rem 2rem;font-weight:600;font-size:.9rem;transition:all var(--transition)}
.btn-azul:hover{background:var(--azul-dark);color:#fff;transform:translateY(-2px);box-shadow:0 6px 20px rgba(11,110,165,.35)}
.btn-wa{background:#25D366;color:#fff;border:none;border-radius:30px;padding:.75rem 2rem;font-weight:600;font-size:.9rem;display:inline-flex;align-items:center;gap:.5rem;transition:all var(--transition)}
.btn-wa:hover{background:#128C7E;color:#fff;transform:translateY(-2px)}

/* ── Section headers ────────────────────────────────────── */
.section{padding:6rem 0}
.section-badge{display:inline-block;background:var(--beige);color:var(--marron);font-size:.75rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;padding:.3rem .9rem;border-radius:20px;margin-bottom:.75rem}
.section-title{font-size:clamp(1.8rem,3.5vw,2.8rem);font-weight:800;color:var(--azul);margin-bottom:.6rem}
.section-title span{color:var(--marron)}
.section-desc{color:var(--texto-muted);font-size:1rem;max-width:640px}
.divider-brand{width:60px;height:4px;background:linear-gradient(90deg,var(--marron),var(--beige));border-radius:2px;margin:1rem 0 2rem}

/* ── About ──────────────────────────────────────────────── */
.about-img-wrapper{position:relative}
.about-img-main{border-radius:var(--radius-lg);width:100%;height:480px;object-fit:cover;box-shadow:var(--shadow-lg)}
.about-img-accent{position:absolute;bottom:-1.5rem;right:-1.5rem;width:180px;height:180px;object-fit:cover;border-radius:var(--radius);border:4px solid #fff;box-shadow:var(--shadow-md)}
.about-badge-float{position:absolute;top:1.5rem;left:1rem;background:var(--azul);color:#fff;border-radius:var(--radius);padding:1rem 1.4rem;text-align:center;box-shadow:var(--shadow-md)}
.about-badge-float strong{font-size:1.8rem;display:block;color:var(--beige);line-height:1}
.about-badge-float span{font-size:.72rem;opacity:.85;text-transform:uppercase;letter-spacing:.06em}
.about-desc p{color:var(--texto-muted)}
.feature-item{display:flex;align-items:flex-start;gap:1rem;margin-bottom:1.2rem}
.feature-icon{width:44px;height:44px;background:var(--beige);border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--marron);font-size:1.1rem}
.feature-text h6{font-size:.95rem;color:var(--azul);margin-bottom:.15rem}
.feature-text p{font-size:.85rem;color:var(--texto-muted);margin:0}

/* ── Tours cards ────────────────────────────────────────── */
.tours-section{background:var(--gris-light)}
.tour-card{background:#fff;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform var(--transition),box-shadow var(--transition);height:100%;display:flex;flex-direction:column;border:1px solid var(--gris-mid)}
.tour-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.tour-card-img{position:relative;overflow:hidden;height:220px}
.tour-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.tour-card:hover .tour-card-img img{transform:scale(1.06)}
.tour-card-badge{position:absolute;top:1rem;left:1rem;background:var(--marron);color:#fff;font-size:.75rem;font-weight:600;padding:.3rem .8rem;border-radius:20px}
.tour-duration-tag{position:absolute;bottom:1rem;right:1rem;background:rgba(8,86,127,.85);color:var(--beige);font-size:.72rem;font-weight:600;padding:.25rem .7rem;border-radius:20px;display:flex;align-items:center;gap:.3rem}
.tour-card-body{padding:1.5rem;flex:1;display:flex;flex-direction:column}
.tour-card-body h5{font-size:1.05rem;margin-bottom:.6rem;color:var(--azul)}
.tour-card-body p{font-size:.87rem;color:var(--texto-muted);flex:1;margin-bottom:1rem}
.tour-meta{display:flex;align-items:center;gap:1rem;font-size:.8rem;color:var(--texto-muted);margin-bottom:1rem;padding-top:.75rem;border-top:1px solid var(--gris-mid)}
.tour-meta span{display:flex;align-items:center;gap:.3rem}
.tour-price{font-size:1.05rem;font-weight:700;color:var(--marron)}

/* ── Tours masonry ──────────────────────────────────────── */
.masonry-tours{column-count:1;column-gap:1.5rem}
.masonry-tours>*{break-inside:avoid;margin-bottom:1.5rem;width:100%!important;padding:0!important}
.masonry-tours .tour-card{height:auto}
.tour-card-img.tall{height:320px}
.tour-card-img.short{height:170px}
@media(min-width:576px){.masonry-tours{column-count:2}}
@media(min-width:992px){.masonry-tours{column-count:3}}
@media(min-width:1200px){.masonry-tours{column-count:4}}

/* ── Services / categories ──────────────────────────────── */
.serv-card{position:relative;border-radius:var(--radius-lg);overflow:hidden;min-height:340px;display:flex;align-items:flex-end}
.serv-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.serv-card:hover img{transform:scale(1.06)}
.serv-overlay{position:relative;z-index:2;background:linear-gradient(180deg,transparent 30%,rgba(8,86,127,.9) 100%);padding:2rem;width:100%}
.serv-overlay h4{color:#fff;margin-bottom:.5rem}
.serv-overlay p{color:rgba(255,255,255,.8);margin:0;font-size:.9rem}

/* ── Why us ─────────────────────────────────────────────── */
.why-section{background:linear-gradient(135deg,var(--azul) 0%,var(--azul-dark) 100%);position:relative;overflow:hidden}
.why-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:2rem 1.5rem;text-align:center;transition:background var(--transition),transform var(--transition);height:100%}
.why-card:hover{background:rgba(255,255,255,.1);transform:translateY(-6px)}
.why-icon{width:64px;height:64px;background:var(--marron);color:var(--beige);border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:1.6rem;margin:0 auto 1.2rem;transition:transform var(--transition)}
.why-card:hover .why-icon{transform:scale(1.1) rotate(-4deg)}
.why-card h5{color:var(--beige);font-size:1rem;margin-bottom:.6rem}
.why-card p{color:rgba(255,255,255,.68);font-size:.87rem;margin:0}

/* ── Testimonials ───────────────────────────────────────── */
.testimonials-section{background:var(--gris-light)}
.testimonial-card{background:#fff;border-radius:var(--radius-lg);padding:2rem;border-left:4px solid var(--marron);box-shadow:var(--shadow-sm);height:100%}
.testimonial-card .stars{color:#F5A623;margin-bottom:.8rem}
.testimonial-card blockquote{font-size:.95rem;color:var(--texto);font-style:italic;margin-bottom:1.2rem;border:none;padding:0}
.testimonial-author strong{font-size:.9rem;color:var(--azul);display:block}
.testimonial-author span{font-size:.8rem;color:var(--texto-muted)}

/* ── Contact / form ─────────────────────────────────────── */
.contact-section{background:var(--azul);position:relative;overflow:hidden}
.contact-info h2{color:var(--beige)}
.contact-info p{color:rgba(255,255,255,.78)}
.contact-item{display:flex;align-items:center;gap:1rem;color:rgba(255,255,255,.85);font-size:.9rem;margin-bottom:1rem}
.contact-item-icon{width:44px;height:44px;background:var(--marron);border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:1.1rem;color:#fff}
.contact-item a{color:var(--beige)}
.contact-item a:hover{color:#fff}
.contact-form{background:rgba(255,255,255,.06);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-lg);padding:2.5rem}
.contact-form .form-control,.contact-form .form-select{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);color:#fff;border-radius:8px;padding:.75rem 1rem;font-size:.9rem}
.contact-form .form-control::placeholder{color:rgba(255,255,255,.4)}
.contact-form .form-control:focus,.contact-form .form-select:focus{background:rgba(255,255,255,.12);border-color:var(--beige);box-shadow:0 0 0 3px rgba(236,219,187,.2);color:#fff}
.contact-form .form-select option{background:var(--azul-dark);color:#fff}
.contact-form label{color:rgba(255,255,255,.8);font-size:.85rem;font-weight:500;margin-bottom:.4rem}
.contact-form .invalid-feedback{color:var(--beige)}

/* ── Footer ─────────────────────────────────────────────── */
.site-footer{background:var(--azul-dark);padding:4rem 0 0;color:rgba(255,255,255,.75)}
.footer-brand img{height:58px;margin-bottom:1rem}
.footer-brand p{font-size:.87rem;line-height:1.7;color:rgba(255,255,255,.65);max-width:280px}
.footer-title{color:var(--beige);font-size:.9rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;margin-bottom:1.2rem;padding-bottom:.5rem;border-bottom:2px solid rgba(236,219,187,.25)}
.footer-links{list-style:none;padding:0;margin:0}
.footer-links li{margin-bottom:.5rem}
.footer-links a{color:rgba(255,255,255,.65);font-size:.87rem;display:flex;align-items:center;gap:.4rem;transition:color var(--transition),padding-left var(--transition)}
.footer-links a:hover{color:var(--beige);padding-left:4px}
.footer-links a::before{content:'›';color:var(--beige);font-weight:700}
.footer-social{display:flex;gap:.75rem;margin-top:1.2rem}
.social-btn{width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:.95rem;background:rgba(255,255,255,.08);color:rgba(255,255,255,.8);border:1px solid rgba(255,255,255,.12);transition:all var(--transition)}
.social-btn:hover{background:var(--marron);color:#fff;border-color:var(--marron);transform:translateY(-2px)}
.footer-contact-item{display:flex;align-items:center;gap:.6rem;font-size:.87rem;color:rgba(255,255,255,.7);margin-bottom:.7rem}
.footer-contact-item i{color:var(--beige);width:16px}
.footer-contact-item a{color:rgba(255,255,255,.7)}
.footer-contact-item a:hover{color:var(--beige)}
.footer-bottom{margin-top:3rem;border-top:1px solid rgba(255,255,255,.1);padding:1.2rem 0;font-size:.82rem;color:rgba(255,255,255,.45)}
.footer-credit{display:inline-flex;align-items:center;gap:.4rem;color:rgba(255,255,255,.45);font-size:.82rem;text-decoration:none;transition:color var(--transition)}
.footer-credit i{color:var(--beige);font-size:.95rem;transition:color var(--transition)}
.footer-credit:hover,.footer-credit:hover i{color:var(--beige)}

/* ── WhatsApp float ─────────────────────────────────────── */
.wa-float{position:fixed;bottom:24px;right:24px;width:58px;height:58px;border-radius:50%;background:#25d366;color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.7rem;z-index:1500;box-shadow:0 4px 20px rgba(37,211,102,.5);text-decoration:none;transition:all .3s ease}
.wa-float:hover{background:#1da851;color:#fff;transform:scale(1.1)}
.wa-float-label{position:absolute;right:70px;background:#128C7E;color:#fff;padding:6px 14px;border-radius:20px;font-size:.78rem;font-weight:600;white-space:nowrap;opacity:0;transition:opacity .3s;pointer-events:none}
.wa-float:hover .wa-float-label{opacity:1}

/* ── Offcanvas mobile menu ──────────────────────────────── */
#navSideBar{background:var(--azul-dark)}
#navSideBar .offcanvas-body{color:#fff;font-family:var(--font-main);font-size:1rem}
#navSideBar .nav-link{color:rgba(255,255,255,.9);font-size:1rem;font-weight:500;background:transparent;border-bottom:none;text-transform:none;letter-spacing:normal}
#navSideBar .nav-link:hover{color:var(--beige);background:transparent}
#navSideBar .nav-link::after{display:none}
#navSideBar .offcanvas-header{border-color:rgba(255,255,255,.1)!important}
#navSideBar ul{list-style:none;margin:0;padding:0}
#navSideBar ul li{margin-bottom:2px}
#navSideBar ul.collapse .nav-link{padding-left:1.6rem}

/* ── Animations ─────────────────────────────────────────── */
.animate-on-scroll{opacity:0;transform:translateY(30px);transition:opacity .7s ease,transform .7s ease}
.animate-on-scroll.is-visible{opacity:1;transform:translateY(0)}
.delay-1{transition-delay:.1s}.delay-2{transition-delay:.2s}.delay-3{transition-delay:.3s}.delay-4{transition-delay:.4s}

@media(max-width:991.98px){
  .section{padding:4rem 0}
  .hero-slide{min-height:480px}
  .about-img-main{height:360px}
  .contact-form{padding:1.5rem}
}
@media(min-width:992px){
  .about-badge-float{left:-1.5rem}
}