/* ==========================================================================
   BRISAS MAHAHUAL — Sistema de diseño
   Paleta: azul profundo de arrecife + verde mar + arena dorada al atardecer
   Tipografía: Fraunces (display, con calidez tropical) + Work Sans (cuerpo)
   Firma visual: líneas de oleaje (wave-line) como separador de secciones,
   inspiradas en el logo y en el arrecife de coral de Mahahual.
   ========================================================================== */

:root{
  --azul-profundo:#0B4F73;
  --azul-noche:#073047;
  --verde-mar:#2FA88A;
  --verde-mar-suave:#DCEFE9;
  --arena:#FBF6EC;
  --arena-oscura:#F0E6D2;
  --dorado:#E8A93B;
  --dorado-oscuro:#C9862A;
  --tinta:#12262E;
  --gris-texto:#4C5C61;
  --blanco:#FFFFFF;

  --fuente-display:'Fraunces', Georgia, serif;
  --fuente-cuerpo:'Work Sans', -apple-system, Segoe UI, sans-serif;

  --radio:14px;
  --radio-chico:8px;
  --sombra: 0 20px 45px -20px rgba(7,48,71,.35);
  --sombra-chica: 0 8px 20px -10px rgba(7,48,71,.3);
  --max-width:1180px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--fuente-cuerpo);
  color:var(--tinta);
  background:var(--arena);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{font-family:var(--fuente-display);margin:0 0 .5em;color:var(--azul-noche);line-height:1.15;}
p{margin:0 0 1em;}
ul{list-style:none;margin:0;padding:0;}
.container{max-width:var(--max-width);margin:0 auto;padding:0 24px;}
.skip-link{position:absolute;left:-999px;top:0;background:var(--dorado);color:var(--azul-noche);padding:10px 18px;z-index:999;}
.skip-link:focus{left:12px;top:12px;}
:focus-visible{outline:3px solid var(--dorado);outline-offset:2px;}
@media (prefers-reduced-motion: reduce){*{animation:none !important;transition:none !important;scroll-behavior:auto !important;}}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:15px 30px;border-radius:100px;font-weight:600;font-size:.98rem;
  border:2px solid transparent;cursor:pointer;transition:transform .18s ease, box-shadow .18s ease;
  font-family:var(--fuente-cuerpo);
}
.btn:hover{transform:translateY(-2px);}
.btn-dorado{background:var(--dorado);color:var(--azul-noche);box-shadow:var(--sombra-chica);}
.btn-dorado:hover{background:var(--dorado-oscuro);}
.btn-contorno{background:transparent;border-color:rgba(255,255,255,.6);color:var(--blanco);}
.btn-contorno:hover{background:rgba(255,255,255,.12);}
.btn-oscuro{background:var(--azul-profundo);color:var(--blanco);}
.btn-oscuro:hover{background:var(--azul-noche);}
.btn-bloque{width:100%;}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:200;background:rgba(7,48,71,.92);backdrop-filter:blur(6px);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:12px 24px;position:relative;}
.logo-img{height:52px;width:auto;border-radius:8px;}
.main-nav ul{display:flex;gap:28px;}
.main-nav a{color:var(--arena);font-weight:500;font-size:.95rem;position:relative;padding:6px 0;}
.main-nav a:not(.nav-cta)::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--dorado);transition:width .2s;}
.main-nav a:not(.nav-cta):hover::after{width:100%;}
.nav-cta{background:var(--verde-mar);color:var(--blanco) !important;padding:9px 20px;border-radius:100px;}
.main-nav a.nav-cta{padding:9px 20px;}
.header-whatsapp{display:flex;align-items:center;gap:6px;color:var(--verde-mar);font-weight:600;font-size:.9rem;border:1.5px solid var(--verde-mar);padding:8px 14px;border-radius:100px;}
.header-whatsapp:hover{background:var(--verde-mar);color:var(--blanco);}
.menu-toggle{display:none;background:none;border:none;width:34px;height:26px;position:relative;cursor:pointer;padding:0;}
.menu-toggle span{position:absolute;left:0;right:0;height:3px;background:var(--arena);border-radius:2px;transition:.25s;}
.menu-toggle span:nth-child(1){top:0;}
.menu-toggle span:nth-child(2){top:11px;}
.menu-toggle span:nth-child(3){top:22px;}
.menu-toggle.abierto span:nth-child(1){transform:translateY(11px) rotate(45deg);}
.menu-toggle.abierto span:nth-child(2){opacity:0;}
.menu-toggle.abierto span:nth-child(3){transform:translateY(-11px) rotate(-45deg);}

/* ---------- Hero ---------- */
.hero{
  position:relative;color:var(--blanco);
  background:linear-gradient(180deg, rgba(7,48,71,.78), rgba(7,48,71,.88)), var(--azul-noche);
  background-size:cover;background-position:center;
  padding:110px 0 170px;
  overflow:hidden;
}
.hero-inner{position:relative;z-index:2;max-width:720px;}
.hero-eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:.85rem;letter-spacing:.14em;text-transform:uppercase;color:var(--dorado);font-weight:600;margin-bottom:18px;}
.hero-eyebrow::before{content:"";width:34px;height:2px;background:var(--dorado);display:inline-block;}
.hero h1{font-size:clamp(2.3rem, 5vw, 3.6rem);color:var(--blanco);font-weight:600;}
.hero p.hero-sub{font-size:1.15rem;color:rgba(255,255,255,.86);max-width:600px;}
.hero-acciones{display:flex;gap:16px;flex-wrap:wrap;margin-top:32px;}
.hero-datos{display:flex;gap:36px;margin-top:56px;flex-wrap:wrap;}
.hero-dato b{display:block;font-family:var(--fuente-display);font-size:2rem;color:var(--dorado);}
.hero-dato span{font-size:.85rem;color:rgba(255,255,255,.75);}
.hero-tide{position:absolute;bottom:-2px;left:0;width:100%;line-height:0;z-index:1;color:var(--arena);}
.hero-tide svg{width:100%;height:90px;display:block;}

/* ---------- Separador de sección (firma visual: oleaje) ---------- */
.wave-divider{line-height:0;color:var(--arena);}
.wave-divider.invertido{transform:rotate(180deg);}
.wave-divider svg{width:100%;height:60px;display:block;}
.wave-divider.tono-verde{color:var(--verde-mar-suave);}
.wave-divider.tono-azul{color:var(--azul-profundo);}

/* ---------- Secciones genéricas ---------- */
section{padding:90px 0;}
.section-header{max-width:680px;margin:0 auto 56px;text-align:center;}
.section-eyebrow{display:inline-block;font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;color:var(--verde-mar);font-weight:700;margin-bottom:14px;}
.section-header h2{font-size:clamp(1.9rem, 3.4vw, 2.6rem);}
.section-header p{color:var(--gris-texto);font-size:1.08rem;}

/* ---------- Por qué invertir / Características ---------- */
.por-que{background:var(--azul-profundo);color:var(--arena);}
.caracteristicas-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:28px;}
.caracteristica-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--radio);padding:30px 26px;transition:transform .2s, background .2s;}
.caracteristica-card:hover{transform:translateY(-6px);background:rgba(255,255,255,.1);}
.caracteristica-icono{width:52px;height:52px;color:var(--dorado);margin-bottom:18px;}
.caracteristica-icono svg{width:100%;height:100%;}
.caracteristica-card h3{color:var(--blanco);font-size:1.18rem;margin-bottom:.4em;}
.caracteristica-card p{color:rgba(255,255,255,.78);font-size:.96rem;margin:0;}

/* ---------- Masterplan ---------- */
.masterplan-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:52px;align-items:center;}
.masterplan-imagen a{display:block;border-radius:var(--radio);overflow:hidden;box-shadow:var(--sombra);border:6px solid var(--blanco);position:relative;}
.masterplan-imagen img{width:100%;height:auto;display:block;transition:transform .35s ease;}
.masterplan-imagen a:hover img{transform:scale(1.03);}
.masterplan-imagen a::after{content:"🔍 Ver disponibilidad";position:absolute;bottom:14px;right:14px;background:var(--dorado);color:var(--azul-noche);font-weight:700;font-size:.82rem;padding:8px 16px;border-radius:100px;box-shadow:var(--sombra-chica);}
.masterplan-texto h2{margin-top:10px;}
.masterplan-texto p{color:var(--gris-texto);font-size:1.05rem;margin-bottom:26px;}
.masterplan-texto .btn svg{flex-shrink:0;}

/* ---------- Ubicación / distancias ---------- */
.ubicacion{background:var(--verde-mar-suave);}
.ubicacion-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:52px;align-items:center;}
.mapa-embed{border-radius:var(--radio);overflow:hidden;box-shadow:var(--sombra);border:6px solid var(--blanco);}
.mapa-embed iframe{width:100%;height:420px;border:0;display:block;}
.distancias-lista{display:flex;flex-direction:column;gap:6px;}
.distancia-item{display:flex;align-items:center;gap:16px;padding:14px 4px;border-bottom:1px solid rgba(11,79,115,.12);}
.distancia-icono{width:36px;height:36px;color:var(--azul-profundo);flex-shrink:0;}
.distancia-icono svg{width:100%;height:100%;}
.distancia-item b{display:block;font-size:1rem;}
.distancia-item span{color:var(--gris-texto);font-size:.88rem;}
.distancia-tiempo{margin-left:auto;font-weight:700;color:var(--verde-mar);font-family:var(--fuente-display);font-size:1.1rem;}

/* ---------- Galería ---------- */
.galeria-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;}
.galeria-item{border-radius:var(--radio-chico);overflow:hidden;aspect-ratio:4/3;position:relative;}
.galeria-item img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.galeria-item:hover img{transform:scale(1.06);}

/* ---------- Financiamiento ---------- */
.financiamiento{background:var(--azul-noche);color:var(--arena);text-align:center;}
.financiamiento .section-header p{color:rgba(255,255,255,.78);}
.financiamiento-datos{display:flex;justify-content:center;gap:60px;flex-wrap:wrap;margin:44px 0;}
.financiamiento-dato b{display:block;font-family:var(--fuente-display);font-size:2.6rem;color:var(--dorado);}
.financiamiento-dato span{color:rgba(255,255,255,.75);font-size:.95rem;}
.financiamiento-check{display:flex;justify-content:center;gap:32px;flex-wrap:wrap;margin-top:20px;}
.financiamiento-check li{display:flex;align-items:center;gap:8px;color:var(--verde-mar);font-weight:600;}
.financiamiento-check svg{width:20px;height:20px;}

/* ---------- Testimonios ---------- */
.testimonios-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:28px;}
.testimonio-card{background:var(--blanco);border-radius:var(--radio);padding:28px;box-shadow:var(--sombra-chica);border:1px solid var(--arena-oscura);}
.testimonio-estrellas{color:var(--dorado);display:flex;gap:2px;margin-bottom:12px;}
.testimonio-texto{font-style:italic;color:var(--tinta);}
.testimonio-autor{display:flex;align-items:center;gap:12px;margin-top:16px;}
.testimonio-avatar{width:44px;height:44px;border-radius:50%;background:var(--verde-mar);color:var(--blanco);display:flex;align-items:center;justify-content:center;font-weight:700;font-family:var(--fuente-display);}
.testimonio-autor b{display:block;font-size:.95rem;}
.testimonio-autor span{font-size:.82rem;color:var(--gris-texto);}

/* ---------- FAQ ---------- */
.faq-lista{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{background:var(--blanco);border:1px solid var(--arena-oscura);border-radius:var(--radio-chico);overflow:hidden;}
.faq-pregunta{width:100%;text-align:left;padding:20px 24px;background:none;border:none;font-family:var(--fuente-cuerpo);font-weight:600;font-size:1.02rem;color:var(--azul-noche);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;}
.faq-pregunta .signo{width:22px;height:22px;flex-shrink:0;position:relative;}
.faq-pregunta .signo::before,.faq-pregunta .signo::after{content:"";position:absolute;background:var(--verde-mar);border-radius:2px;transition:transform .2s;}
.faq-pregunta .signo::before{width:100%;height:3px;top:50%;left:0;transform:translateY(-50%);}
.faq-pregunta .signo::after{height:100%;width:3px;left:50%;top:0;transform:translateX(-50%);}
.faq-item.abierto .faq-pregunta .signo::after{transform:translateX(-50%) scaleY(0);}
.faq-respuesta{max-height:0;overflow:hidden;transition:max-height .25s ease;}
.faq-respuesta-inner{padding:0 24px 22px;color:var(--gris-texto);}

/* ---------- CTA final ---------- */
.cta-final{background:linear-gradient(120deg, var(--verde-mar), var(--azul-profundo));color:var(--blanco);text-align:center;}
.cta-final h2{color:var(--blanco);}
.cta-final p{color:rgba(255,255,255,.9);max-width:600px;margin:0 auto 30px;}

/* ---------- Formulario de contacto ---------- */
.contacto{background:var(--arena-oscura);}
.contacto-grid{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:start;}
.contacto-info h3{color:var(--azul-profundo);}
.contacto-info ul{display:flex;flex-direction:column;gap:16px;margin-top:20px;}
.contacto-info li{display:flex;gap:12px;align-items:center;}
.contacto-info .ico{width:22px;height:22px;color:var(--verde-mar);flex-shrink:0;}
.form-card{background:var(--blanco);padding:36px;border-radius:var(--radio);box-shadow:var(--sombra);}
.form-grupo{margin-bottom:18px;}
.form-grupo label{display:block;font-size:.88rem;font-weight:600;margin-bottom:6px;color:var(--tinta);}
.form-grupo input,.form-grupo textarea,.form-grupo select{
  width:100%;padding:13px 14px;border:1.5px solid var(--arena-oscura);border-radius:8px;
  font-family:var(--fuente-cuerpo);font-size:.98rem;background:var(--arena);color:var(--tinta);
}
.form-grupo input:focus,.form-grupo textarea:focus,.form-grupo select:focus{border-color:var(--verde-mar);outline:none;}
.form-nota{font-size:.78rem;color:var(--gris-texto);margin-top:10px;}
.alerta{padding:14px 18px;border-radius:8px;margin-bottom:20px;font-size:.92rem;}
.alerta-ok{background:#DCF3E7;color:#1B6B45;border:1px solid #9FDCBB;}
.alerta-error{background:#FBE3E1;color:#9B2C22;border:1px solid #F3B7B0;}

/* ---------- Footer ---------- */
.site-footer{background:var(--azul-noche);color:rgba(255,255,255,.82);position:relative;padding-top:10px;}
.footer-wave{color:var(--arena);line-height:0;transform:translateY(-1px);}
.footer-inner{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding:50px 24px 30px;}
.footer-logo{height:46px;width:auto;margin-bottom:14px;border-radius:6px;}
.footer-col h3{color:var(--blanco);font-size:1rem;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{color:rgba(255,255,255,.75);font-size:.92rem;}
.footer-col a:hover{color:var(--dorado);}
.footer-social{display:flex;gap:10px;margin-top:16px;}
.footer-social a{width:36px;height:36px;border-radius:50%;border:1px solid rgba(255,255,255,.3);display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:700;}
.footer-social a:hover{background:var(--dorado);color:var(--azul-noche);border-color:var(--dorado);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 24px;text-align:center;font-size:.82rem;color:rgba(255,255,255,.6);}

/* ---------- WhatsApp flotante ---------- */
.whatsapp-float{position:fixed;bottom:24px;right:24px;background:#25D366;color:#fff;width:58px;height:58px;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 24px rgba(0,0,0,.25);z-index:300;}
.whatsapp-float:hover{transform:scale(1.06);}

/* ---------- Campo trampa anti-spam (honeypot) ---------- */
.campo-trampa{position:absolute;left:-9999px;top:-9999px;height:0;width:0;overflow:hidden;opacity:0;}

/* ---------- Revelado al hacer scroll ---------- */
[data-reveal]{opacity:0;transform:translateY(24px);transition:opacity .6s ease, transform .6s ease;}
[data-reveal].visible{opacity:1;transform:translateY(0);}
@media (prefers-reduced-motion: reduce){[data-reveal]{opacity:1;transform:none;}}

/* ---------- Responsive ---------- */
@media (max-width:960px){
  .footer-inner{grid-template-columns:1fr 1fr;}
  .ubicacion-grid,.contacto-grid,.masterplan-grid{grid-template-columns:1fr;}
  .masterplan-grid{gap:36px;}
  .masterplan-texto{order:2;}
  .masterplan-imagen{order:1;}
}
@media (max-width:780px){
  .main-nav{position:absolute;top:100%;left:0;right:0;background:var(--azul-noche);padding:20px 24px 30px;transform:translateY(-15px);opacity:0;transition:.25s;pointer-events:none;}
  .main-nav.abierto{transform:translateY(0);opacity:1;pointer-events:auto;}
  .main-nav ul{flex-direction:column;gap:18px;}
  .menu-toggle{display:block;}
  .header-whatsapp span{display:none;}
  section{padding:64px 0;}
  .footer-inner{grid-template-columns:1fr;}
  .hero{padding:70px 0 130px;}
  .financiamiento-datos{gap:34px;}
  .form-card{padding:26px 20px;}
  .masterplan-imagen a::after{font-size:.72rem;padding:6px 12px;bottom:10px;right:10px;}
}
@media (max-width:420px){
  .logo-img{height:42px;}
  .hero-datos{gap:24px;}
  .financiamiento-datos{gap:22px;}
  .financiamiento-dato b{font-size:2rem;}
  .header-inner{padding:10px 16px;}
  .container{padding:0 16px;}
  .whatsapp-float{bottom:16px;right:16px;width:52px;height:52px;}
}