/* =========================================================
   ALFA TOURS — Hoja de estilos principal
   Paleta: Verde bosque + Crema + Naranja (acento)
   ========================================================= */

:root{
  --verde:      #1E3A2F;   /* verde bosque principal */
  --verde-2:    #274a3b;   /* verde secundario */
  --verde-3:    #12261e;   /* verde muy oscuro (footer) */
  --naranja:    #F5820A;   /* naranja de marca (logo) */
  --naranja-2:  #d96f00;   /* naranja hover */
  --crema:      #F7F3EA;   /* crema/hueso fondo */
  --crema-2:    #efe8d8;   /* crema más cálido */
  --tinta:      #23291f;   /* texto principal */
  --gris:       #5c6b60;   /* texto secundario */
  --blanco:     #ffffff;
  --sombra:     0 12px 40px rgba(18,38,30,.12);
  --sombra-sm:  0 6px 20px rgba(18,38,30,.10);
  --radio:      18px;
  --radio-sm:   12px;
  --ancho:      1160px;
  --serif:      "Playfair Display", Georgia, serif;
  --sans:       "Poppins", system-ui, -apple-system, "Segoe UI", sans-serif;
  --script:     "Dancing Script", cursive;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  color:var(--tinta);
  background:var(--crema);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

h1,h2,h3,h4{font-family:var(--serif);line-height:1.15;font-weight:700;color:var(--verde)}
h1{font-size:clamp(2.1rem,5vw,3.6rem)}
h2{font-size:clamp(1.7rem,3.6vw,2.6rem)}
h3{font-size:1.35rem}
p{margin-bottom:1rem}
.container{max-width:var(--ancho);margin:0 auto;padding:0 24px}
.section{padding:76px 0}
.section--tight{padding:52px 0}
.center{text-align:center}
.lead{font-size:1.14rem;color:var(--gris);max-width:60ch}
.center .lead{margin-left:auto;margin-right:auto}
.eyebrow{
  font-family:var(--sans);font-weight:600;letter-spacing:.18em;text-transform:uppercase;
  font-size:.78rem;color:var(--naranja);margin-bottom:.5rem;display:block;
}
.script{font-family:var(--script);color:var(--naranja);font-size:1.9rem;font-weight:700}
.orange{color:var(--naranja)}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.55rem;
  font-weight:600;font-size:.98rem;
  padding:.85rem 1.6rem;border-radius:999px;border:2px solid transparent;
  cursor:pointer;transition:.2s ease;white-space:nowrap;
}
.btn--primary{background:var(--naranja);color:#fff}
.btn--primary:hover{background:var(--naranja-2);transform:translateY(-2px)}
.btn--ghost{background:transparent;color:var(--verde);border-color:var(--verde)}
.btn--ghost:hover{background:var(--verde);color:#fff}
.btn--light{background:#fff;color:var(--verde)}
.btn--light:hover{background:var(--crema-2)}
.btn--wa{background:#25D366;color:#fff}
.btn--wa:hover{background:#1eb457;transform:translateY(-2px)}
.btn svg{width:18px;height:18px}

/* ---------- Header ---------- */
.header{
  position:sticky;top:0;z-index:50;background:rgba(30,58,47,.97);
  backdrop-filter:blur(6px);box-shadow:0 2px 18px rgba(0,0,0,.16);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px}
.nav__logo img{height:44px;width:auto}
.nav__links{display:flex;align-items:center;gap:2rem;list-style:none}
.nav__links a{color:#f3efe4;font-weight:500;font-size:.98rem;transition:.2s;position:relative}
.nav__links a:hover,.nav__links a.active{color:var(--naranja)}
.nav__links a.active::after{
  content:"";position:absolute;left:0;bottom:-6px;width:100%;height:2px;background:var(--naranja)
}
.nav__cta{display:flex;align-items:center;gap:.8rem}
.nav__toggle{display:none;background:none;border:0;cursor:pointer;padding:6px}
.nav__toggle span{display:block;width:26px;height:3px;background:#fff;margin:5px 0;border-radius:2px;transition:.3s}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:radial-gradient(120% 120% at 80% 10%, #2c5544 0%, var(--verde) 45%, var(--verde-3) 100%);
}
.hero__topo{position:absolute;inset:0;opacity:.10;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cpath d='M0 60 Q30 20 60 60 T120 60' fill='none' stroke='%23ffffff' stroke-width='1.2'/%3E%3Cpath d='M0 90 Q30 50 60 90 T120 90' fill='none' stroke='%23ffffff' stroke-width='1.2'/%3E%3Cpath d='M0 30 Q30 -10 60 30 T120 30' fill='none' stroke='%23ffffff' stroke-width='1.2'/%3E%3C/svg%3E");
}
.hero__inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;
  padding:70px 0 60px}
.hero h1{color:#fff}
.hero h1 em{font-style:italic;color:var(--naranja)}
.hero__desc{font-size:1.15rem;color:#e6efe8;max-width:46ch;margin:1.2rem 0 1.8rem}
.hero__desc b{color:#fff}
.hero__cta{display:flex;gap:1rem;flex-wrap:wrap}
.hero__since{display:inline-block;letter-spacing:.28em;font-size:.8rem;font-weight:600;
  color:var(--naranja);border-top:1px solid rgba(245,130,10,.5);border-bottom:1px solid rgba(245,130,10,.5);
  padding:.35rem 0;margin-bottom:1.3rem}
.hero__img{position:relative}
.hero__img img{filter:drop-shadow(0 30px 40px rgba(0,0,0,.45));animation:float 6s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}

/* ---------- Pilares ---------- */
.pillars{background:var(--verde-2);color:#fff;padding:34px 0}
.pillars__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.14)}
.pillar{background:var(--verde-2);padding:22px 20px;display:flex;flex-direction:column;align-items:center;text-align:center;gap:.5rem}
.pillar svg{width:34px;height:34px;stroke:var(--naranja)}
.pillar b{font-size:.98rem}
.pillar span{font-size:.82rem;color:#cddace}

/* ---------- Tarjetas de servicios ---------- */
.grid{display:grid;gap:26px}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border-radius:var(--radio);box-shadow:var(--sombra-sm);overflow:hidden;
  transition:.25s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-6px);box-shadow:var(--sombra)}
.card__body{padding:26px 24px 28px}
.card__icon{width:52px;height:52px;border-radius:14px;background:var(--crema-2);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.card__icon svg{width:26px;height:26px;stroke:var(--naranja)}
.card h3{margin-bottom:.5rem}
.card p{color:var(--gris);font-size:.96rem;margin-bottom:0}
.card__tag{display:inline-block;background:var(--naranja);color:#fff;font-size:.72rem;font-weight:600;
  letter-spacing:.05em;text-transform:uppercase;padding:.28rem .7rem;border-radius:999px;margin-bottom:.8rem}

/* ---------- Flota ---------- */
.fleet-cat{margin-bottom:56px}
.fleet-cat__head{display:flex;align-items:baseline;gap:1rem;flex-wrap:wrap;margin-bottom:26px;
  border-bottom:2px solid var(--crema-2);padding-bottom:12px}
.fleet-cat__head h2{color:var(--verde)}
.fleet-cat__head span{color:var(--gris);font-size:.95rem}
.unit{background:#fff;border-radius:var(--radio);box-shadow:var(--sombra-sm);overflow:hidden;transition:.25s}
.unit:hover{transform:translateY(-6px);box-shadow:var(--sombra)}
.unit__img{background:linear-gradient(160deg,#eef2ec,#dfe7de);display:flex;align-items:center;justify-content:center;
  height:190px;padding:14px}
.unit__img img{max-height:100%;width:auto;object-fit:contain}
.unit__img--cover img{width:100%;height:100%;object-fit:cover}
.unit__img--cover{padding:0}
.unit__body{padding:18px 20px 22px}
.unit__body h3{font-size:1.15rem;margin-bottom:.2rem}
.unit__seats{display:inline-flex;align-items:center;gap:.4rem;color:var(--naranja);font-weight:600;font-size:.9rem}
.unit__seats svg{width:16px;height:16px;stroke:var(--naranja)}
.unit p{color:var(--gris);font-size:.9rem;margin:.4rem 0 0}

/* ---------- Bloque CTA ---------- */
.cta-band{background:linear-gradient(120deg,var(--verde),var(--verde-2));color:#fff;text-align:center;border-radius:var(--radio);
  padding:52px 30px;position:relative;overflow:hidden}
.cta-band h2{color:#fff}
.cta-band p{color:#dbe6dd;max-width:52ch;margin:.6rem auto 1.6rem}
.cta-band .hero__cta{justify-content:center}

/* ---------- Split (imagen + texto) ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split__media{border-radius:var(--radio);overflow:hidden;box-shadow:var(--sombra)}
.split__media img{width:100%;height:100%;object-fit:cover;min-height:320px}
.split--alt .split__media{order:2}

/* ---------- Franja de secciones alternas ---------- */
.bg-crema{background:var(--crema-2)}
.bg-verde{background:var(--verde);color:#fff}
.bg-verde h2,.bg-verde h3{color:#fff}
.bg-verde .lead{color:#d3e0d5}

/* ---------- Lista con check ---------- */
.checks{list-style:none;display:grid;gap:.7rem;margin-top:1rem}
.checks li{display:flex;gap:.7rem;align-items:flex-start;color:var(--gris)}
.checks svg{width:22px;height:22px;stroke:var(--naranja);flex-shrink:0;margin-top:2px}

/* ---------- Números / stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat b{font-family:var(--serif);font-size:2.6rem;color:var(--naranja);display:block;line-height:1}
.stat span{font-size:.92rem;color:var(--gris)}
.bg-verde .stat span{color:#cddace}

/* ---------- Contacto ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.contact-card{background:#fff;border-radius:var(--radio);box-shadow:var(--sombra-sm);padding:30px}
.contact-item{display:flex;gap:1rem;align-items:flex-start;margin-bottom:1.4rem}
.contact-item svg{width:24px;height:24px;stroke:var(--naranja);flex-shrink:0;margin-top:3px}
.contact-item b{display:block;color:var(--verde)}
.contact-item a,.contact-item span{color:var(--gris);font-size:.96rem}
.contact-item a:hover{color:var(--naranja)}
.socials{display:flex;gap:.8rem;margin-top:.4rem}
.socials a{width:44px;height:44px;border-radius:12px;background:var(--verde);display:flex;align-items:center;justify-content:center;transition:.2s}
.socials a:hover{background:var(--naranja);transform:translateY(-3px)}
.socials svg{width:22px;height:22px;fill:#fff;stroke:none}

/* ---------- Footer ---------- */
.footer{background:var(--verde-3);color:#c7d4c9;padding:56px 0 26px;font-size:.92rem}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;margin-bottom:34px}
.footer h4{color:#fff;font-family:var(--sans);font-size:1rem;font-weight:600;margin-bottom:1rem;letter-spacing:.02em}
.footer img{height:40px;margin-bottom:1rem}
.footer ul{list-style:none;display:grid;gap:.55rem}
.footer a:hover{color:var(--naranja)}
.footer__socials{display:flex;gap:.7rem;margin-top:1rem}
.footer__socials a{width:40px;height:40px;border-radius:10px;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center}
.footer__socials a:hover{background:var(--naranja)}
.footer__socials svg{width:20px;height:20px;fill:#fff}
.footer__bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;display:flex;justify-content:space-between;
  flex-wrap:wrap;gap:10px;color:#8ba392;font-size:.85rem}

/* ---------- WhatsApp flotante ---------- */
.wa-float{position:fixed;right:20px;bottom:20px;z-index:60;width:58px;height:58px;border-radius:50%;
  background:#25D366;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(0,0,0,.28);
  transition:.2s}
.wa-float:hover{transform:scale(1.08)}
.wa-float svg{width:32px;height:32px;fill:#fff}

/* =========================================================
   COTIZADOR — Chatbot / asistente de cotización
   Widget conversacional con la marca Alfa Tours.
   Todo del lado del cliente (sin backend).
   ========================================================= */

/* Botón flotante convertido en lanzador del chat (naranja de marca) */
.af-launch{
  background:var(--naranja);
}
.af-launch:hover{background:var(--naranja-2)}
.af-launch svg{width:30px;height:30px;fill:#fff}

/* Contenedor general del chat (oculto por defecto) */
.af-chat{
  position:fixed;right:20px;bottom:88px;z-index:70;
  width:min(380px,calc(100vw - 32px));
  height:min(600px,calc(100vh - 130px));
  display:flex;flex-direction:column;
  background:var(--crema);border-radius:20px;overflow:hidden;
  box-shadow:0 24px 60px rgba(18,38,30,.32);
  font-family:var(--sans);
  /* animación de entrada */
  opacity:0;transform:translateY(16px) scale(.98);pointer-events:none;
  transition:opacity .22s ease, transform .22s ease;
}
.af-chat.af-open{opacity:1;transform:translateY(0) scale(1);pointer-events:auto}

/* Encabezado */
.af-head{
  background:linear-gradient(120deg,var(--verde),var(--verde-2));color:#fff;
  padding:14px 16px;display:flex;align-items:center;gap:12px;flex-shrink:0;
}
.af-head__avatar{
  width:42px;height:42px;border-radius:50%;background:var(--naranja);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.af-head__avatar svg{width:24px;height:24px;fill:#fff}
.af-head__title{font-family:var(--serif);font-weight:700;font-size:1.05rem;line-height:1.1}
.af-head__sub{font-size:.74rem;color:#cfe0d4;display:flex;align-items:center;gap:5px}
.af-head__sub::before{content:"";width:7px;height:7px;border-radius:50%;background:#57d97e;display:inline-block}
.af-head__close{
  margin-left:auto;background:rgba(255,255,255,.14);border:0;color:#fff;
  width:32px;height:32px;border-radius:50%;cursor:pointer;font-size:1.2rem;line-height:1;
  display:flex;align-items:center;justify-content:center;transition:.2s;
}
.af-head__close:hover{background:rgba(255,255,255,.28)}

/* Zona de mensajes (scroll) */
.af-body{flex:1;overflow-y:auto;padding:16px 14px;display:flex;flex-direction:column;gap:10px}
.af-body::-webkit-scrollbar{width:7px}
.af-body::-webkit-scrollbar-thumb{background:rgba(30,58,47,.22);border-radius:10px}

/* Burbujas */
.af-msg{max-width:82%;padding:10px 14px;border-radius:16px;font-size:.92rem;line-height:1.5;word-wrap:break-word}
.af-msg--bot{background:#fff;color:var(--tinta);border-bottom-left-radius:5px;box-shadow:var(--sombra-sm);align-self:flex-start}
.af-msg--user{background:var(--verde);color:#fff;border-bottom-right-radius:5px;align-self:flex-end}
.af-msg small{display:block;color:var(--gris);font-size:.76rem;margin-top:3px}

/* Indicador "escribiendo" */
.af-typing{display:flex;gap:4px;align-self:flex-start;background:#fff;padding:12px 14px;border-radius:16px;border-bottom-left-radius:5px;box-shadow:var(--sombra-sm)}
.af-typing span{width:7px;height:7px;border-radius:50%;background:var(--gris);opacity:.5;animation:af-blink 1.2s infinite}
.af-typing span:nth-child(2){animation-delay:.2s}
.af-typing span:nth-child(3){animation-delay:.4s}
@keyframes af-blink{0%,60%,100%{opacity:.3;transform:translateY(0)}30%{opacity:1;transform:translateY(-3px)}}

/* Zona de entrada / opciones */
.af-input{border-top:1px solid var(--crema-2);background:#fff;padding:12px;flex-shrink:0}

/* Botones de opción (opción múltiple → dato normalizado) */
.af-options{display:flex;flex-wrap:wrap;gap:8px}
.af-opt{
  border:1.6px solid var(--verde);background:#fff;color:var(--verde);
  padding:.5rem .95rem;border-radius:999px;font-family:var(--sans);font-weight:600;
  font-size:.86rem;cursor:pointer;transition:.18s;
}
.af-opt:hover,.af-opt:focus-visible{background:var(--verde);color:#fff;outline:none}

/* Campo de texto / número / fecha + botón enviar */
.af-field{display:flex;gap:8px;align-items:center}
.af-field input{
  flex:1;border:1.6px solid var(--crema-2);border-radius:12px;padding:.6rem .8rem;
  font-family:var(--sans);font-size:.92rem;color:var(--tinta);background:var(--crema);min-width:0;
}
.af-field input:focus{outline:none;border-color:var(--naranja)}
.af-send{
  background:var(--naranja);border:0;border-radius:12px;width:44px;height:42px;flex-shrink:0;
  cursor:pointer;display:flex;align-items:center;justify-content:center;transition:.18s;
}
.af-send:hover{background:var(--naranja-2)}
.af-send svg{width:20px;height:20px;fill:#fff}

/* Barra de acciones secundarias (regresar) */
.af-actions{display:flex;justify-content:space-between;align-items:center;margin-top:10px;gap:8px}
.af-back{
  background:none;border:0;color:var(--gris);font-family:var(--sans);font-size:.82rem;
  cursor:pointer;display:inline-flex;align-items:center;gap:4px;padding:4px 2px;
}
.af-back:hover{color:var(--verde)}
.af-error{color:#c0392b;font-size:.8rem;margin-top:6px;min-height:1em}

/* Resumen final */
.af-summary{background:#fff;border-radius:14px;box-shadow:var(--sombra-sm);padding:6px 4px;margin-top:2px}
.af-summary__row{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:8px 12px;border-bottom:1px solid var(--crema-2)}
.af-summary__row:last-child{border-bottom:0}
.af-summary__k{font-size:.72rem;color:var(--gris);text-transform:uppercase;letter-spacing:.04em}
.af-summary__v{font-weight:600;color:var(--verde);font-size:.9rem;text-align:right}
.af-summary__edit{background:none;border:0;color:var(--naranja);cursor:pointer;font-size:.78rem;font-weight:600;white-space:nowrap;padding:2px 4px}
.af-summary__edit:hover{text-decoration:underline}

/* Botón final Enviar por WhatsApp */
.af-wa{
  width:100%;background:#25D366;color:#fff;border:0;border-radius:12px;padding:.85rem;
  font-family:var(--sans);font-weight:600;font-size:.98rem;cursor:pointer;
  display:flex;align-items:center;justify-content:center;gap:.5rem;transition:.18s;margin-top:10px;
}
.af-wa:hover{background:#1eb457}
.af-wa svg{width:20px;height:20px;fill:#fff}
.af-restart{width:100%;background:none;border:0;color:var(--gris);font-family:var(--sans);font-size:.82rem;cursor:pointer;margin-top:8px;padding:4px}
.af-restart:hover{color:var(--verde)}

/* Accesibilidad: respeta reduce-motion */
@media(prefers-reduced-motion:reduce){
  .af-chat,.af-typing span{transition:none;animation:none}
}
@media(max-width:520px){
  .af-chat{right:8px;left:8px;width:auto;bottom:82px;height:calc(100vh - 110px)}
}

/* ---------- Page hero (interiores) ---------- */
.pagehero{background:linear-gradient(120deg,var(--verde),var(--verde-3));color:#fff;padding:64px 0 56px;text-align:center}
.pagehero h1{color:#fff}
.pagehero p{color:#d3e0d5;max-width:60ch;margin:.6rem auto 0}
.breadcrumb{font-size:.82rem;color:var(--naranja);letter-spacing:.08em;text-transform:uppercase;margin-bottom:.6rem}

/* ---------- Responsivo ---------- */
@media(max-width:980px){
  .hero__inner{grid-template-columns:1fr;text-align:center}
  .hero__cta{justify-content:center}
  .hero__desc{margin-left:auto;margin-right:auto}
  .hero__img{max-width:520px;margin:0 auto}
  .grid--3{grid-template-columns:repeat(2,1fr)}
  .footer__grid{grid-template-columns:1fr 1fr}
  .split{grid-template-columns:1fr}
  .split--alt .split__media{order:0}
  .stats{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
}
@media(max-width:760px){
  .nav__links{position:fixed;inset:76px 0 auto 0;background:var(--verde);flex-direction:column;
    gap:0;padding:10px 0;transform:translateY(-140%);transition:.35s;box-shadow:0 12px 24px rgba(0,0,0,.25)}
  .nav__links.open{transform:translateY(0)}
  .nav__links li{width:100%;text-align:center}
  .nav__links a{display:block;padding:14px 0}
  .nav__toggle{display:block}
  .nav__cta .btn--ghost{display:none}
  .pillars__grid{grid-template-columns:repeat(2,1fr)}
  .grid--3,.grid--2{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .section{padding:52px 0}
}