/* ========================= 
   TEMA AZUL "SEGURO" (CLARO)
   ========================= */

.no-trans, .no-trans * { transition: none !important; }

/* ====== Paleta y base ====== */
:root{
  --blue-950:#071426;   /* casi negro azul */
  --blue-900:#0B2A4A;   /* azul corporativo */
  --blue-700:#123B66;
  --blue-500:#1F5A98;
  --blue-200:#9FD0FF;

  --gray-900:#1f2630;
  --gray-700:#5B7083;
  --gray-200:#e8edf3;
  --gray-100:#f4f6f9;
  --white:#ffffff;

  --shadow:0 10px 26px rgba(9,18,33,.10);
  --shadow-strong:0 14px 38px rgba(9,18,33,.18);
  --radius:16px;

  /* =========================
     TOPBAR - TAMAÑOS (TOCA AQUÍ)
     ========================= */

  /* NORMAL */
  --topbar-h: 300px;       /* altura total arriba */
  --topbar-pad-y: 12px;   /* padding vertical arriba */
  --logo-w: 300px;        /* logo arriba */

  /* SHRINK */
  --topbar-h-shrink: 70px;   /* altura total al bajar */
  --topbar-pad-y-shrink: 0px;
  --logo-w-shrink: 70px;     /* 260 * 0.25 = 65 (1/4 real) */

  /* ✅ variables “en tiempo real” (las tocará JS) */
  --topbar-h-current: var(--topbar-h);
  --logo-w-current: var(--logo-w);
  /* NAV */
  --nav-gap: 18px;
  --nav-gap-shrink: 12px;

  --nav-font: 1rem;
  --nav-font-shrink: .88rem;

  --nav-pad-y: .25rem;
  --nav-pad-x: .10rem;

  --nav-pad-y-shrink: .15rem;
  --nav-pad-x-shrink: .05rem;

  --btn-pad-y-shrink: .25rem;
  --btn-pad-x-shrink: .55rem;
  --btn-font-shrink: .82rem;
}

*{box-sizing:border-box}
html,body{scroll-behavior:smooth}
body{
  font-family: system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,"Helvetica Neue",Arial,sans-serif;
  margin:0;
  color:var(--gray-900);
  background: linear-gradient(180deg, #F5F9FF, #EEF4FF);
  line-height:1.55;
   padding-top: var(--topbar-h-current);
}

/* ====== Layout ====== */
.container{width:min(1120px,92%); margin-inline:auto}
.section{padding:64px 0}
.section--alt{background:#F0F6FF;} /* azul muy suave */
.lead{color:var(--gray-700); max-width:68ch}
.small{font-size:.95rem; color:var(--gray-700)}

/* =========================
   TOPBAR (MENU NORMAL + SHRINK REAL)
   ========================= */
.freeze-trans, .freeze-trans *{
  transition: none !important;
}

.topbar{
  position: fixed; /* ✅ en vez de sticky */
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;

  background: linear-gradient(180deg, var(--blue-950), var(--blue-900));
  color: var(--white);
  box-shadow: 0 10px 30px rgba(0,0,0,.25);
}

.topbar__wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;

  height: var(--topbar-h-current);
  padding: 12px 0; /* si quieres, luego lo hacemos progresivo también */
  overflow: hidden;

  transition: none; /* recomendable para “cero flicker” */
}

.brand{
  display:flex;
  align-items:center;
  text-decoration:none;
}
.brand img{display:block}

/* ====== Logo ====== */
.logo{
  width: var(--logo-w-current);
  height: auto;
  display:block;
  transition: none;
}
/* ====== Nav ====== */
.nav{
  display:flex;
  gap: var(--nav-gap);
  align-items:center;
}

.nav a{
  color:var(--white);
  text-decoration:none;
  opacity:.92;
  font-weight:700;
  letter-spacing:.2px;

  line-height:1;
  font-size: var(--nav-font);
  padding: var(--nav-pad-y) var(--nav-pad-x);

  transition: opacity .2s ease, transform .2s ease, font-size .22s ease;
}
.nav a:hover{opacity:1; text-decoration:underline}

/* botón pequeño en nav */
.btn--small{padding:.55rem .9rem; font-size:.95rem}
.nav .btn{box-shadow:none;}
.nav .btn.btn--small{
  border:1px solid rgba(255,255,255,.35);
  background: rgba(255,255,255,.06);
}
.nav .btn.btn--small:hover{
  background: rgba(255,255,255,.12);
}

/* ====== SHRINK (cuando bajas) ====== */
.topbar.is-shrink .topbar__wrap{
  height: var(--topbar-h-shrink);
  padding: var(--topbar-pad-y-shrink) 0;
}

/* ✅ ahora el logo ENCOGE DE VERDAD (layout) */
.topbar.is-shrink .logo{
  width: var(--logo-w-shrink);
}

/* Menú más compacto */
.topbar.is-shrink .nav{
  gap: var(--nav-gap-shrink);
}

.topbar.is-shrink .nav a{
  font-size: var(--nav-font-shrink);
  padding: var(--nav-pad-y-shrink) var(--nav-pad-x-shrink);
  line-height:1;
}

/* Botón Contacto más compacto */
.topbar.is-shrink .nav .btn--small{
  padding: var(--btn-pad-y-shrink) var(--btn-pad-x-shrink);
  font-size: var(--btn-font-shrink);
}

/* “cristal” */
.topbar.is-shrink{
  background: rgba(7, 26, 51, 0.92);
   /* backdrop-filter: blur(8px);  <-- comenta esto */
  box-shadow:0 8px 20px rgba(0,0,0,.22);
}


/* ====== Hero (tipo capturas: imagen + overlay + texto centrado) ====== */
.hero{
  position:relative;
  min-height: 420px;
  display:flex;
  align-items:center;

  background:
    linear-gradient(rgba(7,20,38,.60), rgba(7,20,38,.60)),
    url("../img/hero.jpg") center/cover no-repeat;
}

.hero__inner{width:100%}

.hero__text{
  max-width: 820px;
  text-align:center;
  margin: 0 auto;
}

.hero__text h1{
  font-size:clamp(2rem,3.6vw,3.2rem);
  color:#fff;
  margin:0 0 12px;
  letter-spacing:.2px;
}
.hero__text span{color:var(--blue-200)}

.hero__text p{
  margin:0 auto 14px;
  color:rgba(255,255,255,.88);
  max-width: 62ch;
}

.bullet{
  list-style:none;
  margin: 0 auto 22px;
  padding:0;
  display:flex;
  gap:16px;
  justify-content:center;
  flex-wrap:wrap;
}
.bullet li{
  color:rgba(255,255,255,.90);
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.18);
  padding:.45rem .75rem;
  border-radius:999px;
}

.cta-row{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:center;
}

/* En tu HTML existe <picture class="hero__img">.
   Como ahora usamos imagen de fondo, lo ocultamos. */
.hero__img{display:none}

/* ====== Botones ====== */
.btn{
  display:inline-block;
  padding:.85rem 1.15rem;
  border-radius:999px;
  border:2px solid transparent;
  font-weight:800;
  text-decoration:none;
  transition:.2s;
  box-shadow:var(--shadow);
}

.btn--primary{
  background:linear-gradient(180deg, #2A7BD6, var(--blue-500));
  color:var(--white);
}
.btn--primary:hover{
  filter:brightness(1.10);
  transform:translateY(-1px);
}

.btn--ghost{
  background:rgba(255,255,255,.08);
  color:#EAF2FF;
  border-color:rgba(255,255,255,.55);
}
.btn--ghost:hover{background:rgba(255,255,255,.16)}

.cta-center{margin-top:20px; text-align:center}

/* ====== Títulos de secciones ====== */
h2{
  margin:0 0 12px;
  color:var(--blue-900);
  letter-spacing:.2px;
}
h3{color:var(--blue-900)}

/* ====== Cards / Grids ====== */
.grid{display:grid; gap:18px}
.cards{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}
.card{
  background:var(--white);
  border:1px solid rgba(31,90,152,.10);
  border-radius:var(--radius);
  padding:20px;
  box-shadow:var(--shadow);
  display:flex;
  flex-direction:column;
  gap:10px;
}
.card h3{margin:0; color:var(--blue-900)}
.card p{margin:0; color:var(--gray-700)}

.thumbs{
  display:flex;
  gap:10px;
  margin-top:8px;
  flex-wrap:wrap
}
.thumbs img{
  width:100px;
  height:70px;
  object-fit:cover;
  border-radius:10px;
  background:var(--gray-200);
  border:1px solid rgba(31,90,152,.10);
}

/* ====== Galería ====== */
.gallery{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:18px;
  margin-top:18px
}
.gallery figure{
  margin:0;
  background:var(--white);
  border:1px solid rgba(31,90,152,.10);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  overflow:hidden
}
.gallery img{width:100%; height:auto; display:block}
.gallery figcaption{padding:10px 12px; color:var(--gray-700)}

/* ====== Opiniones ====== */
.quote{
  background:var(--white);
  border-left:6px solid var(--blue-500);
  padding:16px;
  margin:14px 0;
  border-radius:10px;
  box-shadow:var(--shadow)
}
.quote p{margin:0 0 6px; color:var(--gray-900)}
.quote cite{color:var(--gray-700)}

/* ====== FAQs ====== */
details{
  background:var(--white);
  border:1px solid rgba(31,90,152,.10);
  border-radius:12px;
  padding:12px 14px;
  box-shadow:var(--shadow);
  margin:10px 0;
}
summary{
  cursor:pointer;
  font-weight:800;
  color:var(--blue-900);
}
details p{margin:10px 0 0; color:var(--gray-700)}

/* ====== Contacto ====== */
.section#contacto{padding:64px 0}
.contact-grid{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:24px;
  align-items:start
}

.form,.nap{
  background:var(--white);
  border:1px solid rgba(31,90,152,.10);
  padding:20px;
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}

.form label{
  display:block;
  font-weight:800;
  margin:10px 0 6px;
  color:var(--gray-900);
}

.form input,.form textarea{
  width:100%;
  padding:.8rem;
  border:1px solid rgba(31,90,152,.18);
  border-radius:10px;
  font:inherit;
  background:#fff;
  color:var(--gray-900);
}

.form input:focus,.form textarea:focus{
  outline:none;
  border-color:var(--blue-500);
  box-shadow:0 0 0 3px rgba(31,90,152,.15);
}

.legal{font-size:.9rem; color:var(--gray-700)}
.nap a{color:var(--blue-500); text-decoration:none}
.nap a:hover{text-decoration:underline}

.cta-side{display:flex; gap:10px; flex-wrap:wrap}

/* ====== Footer ====== */
.footer{
  background:linear-gradient(180deg, var(--blue-950), var(--blue-900));
  color:var(--white);
  text-align:center;
  padding:22px 0;
  margin-top:40px
}
.footer a{color:#B9DCFF}

/* ====== Sticky CTA (móvil) ====== */
.sticky-cta{
  position:fixed;
  bottom:0; left:0; right:0;
  display:none;
  gap:1px;
  background:rgba(31,90,152,.18);
  box-shadow:0 -8px 20px rgba(0,0,0,.15)
}
.sticky-cta a{
  flex:1;
  text-align:center;
  padding:.9rem .6rem;
  background:var(--white);
  color:var(--blue-900);
  font-weight:900;
  text-decoration:none
}

/* ====== Responsivo ====== */
@media (max-width:950px){
  .contact-grid{grid-template-columns:1fr}
  .hero{min-height: 460px}

  /* Ajustes de tamaños en tablet sin romper el shrink */
  :root{
    --logo-w: 220px;
    --topbar-h: 78px;

    /* si quieres que shrink también sea más bajo en tablet: */
    /* --topbar-h-shrink: 42px; */

    /* y su logo proporcional (220 * 0.25 = 55) */
    --logo-w-shrink: 55px;
  }
}

@media (max-width:760px){
  .nav{display:none}
  .sticky-cta{display:flex}
  .hero{min-height: 520px}
  .bullet{gap:10px}
}