/* ==========================================================================
   MVP International Freight Systems — hoja de marca compartida
   Construida sobre el sistema de diseño oficial:
   color único MVP blue #1D557D + neutros fríos · tipografía Outfit · sin degradados de marca
   ========================================================================== */
:root{
  --mvp-blue:#1d557d;
  --brand:#1d557d; --brand-strong:#153f5e; --brand-deep:#0f2f47; --brand-tint:#e6eef5;
  --on-brand:#ffffff;
  --surface:#ffffff; --surface-raised:#f4f7fa;
  --ink:#12202b; --ink-muted:#4a5b68;
  --border:#c5d3de; --border-strong:#7a8d9c;
  --space-1:4px; --space-2:8px; --space-4:16px; --space-6:24px; --space-8:32px;
  --radius-sm:4px; --radius-md:8px; --radius-pill:999px;
  --maxw:1200px;
  --f:"Outfit","Segoe UI",Arial,sans-serif;
  --shadow-soft:0 1px 3px rgba(15,47,71,.06),0 8px 24px rgba(15,47,71,.06);
  --shadow-lift:0 4px 10px rgba(15,47,71,.08),0 18px 44px rgba(15,47,71,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--f);color:var(--ink);background:var(--surface);
  line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
h1,h2,h3,h4{margin:0;line-height:1.1;font-weight:700;letter-spacing:-.01em;text-wrap:balance}
p{margin:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:max(22px,env(safe-area-inset-left,0px))}
.band{padding-block:clamp(56px,8vw,104px)}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:600;line-height:16px;
  letter-spacing:.08em;text-transform:uppercase;color:var(--brand);margin-bottom:var(--space-4);
}
.lead{color:var(--ink-muted);font-size:1.12rem;max-width:62ch}

/* reveal al hacer scroll — un solo gesto, suave */
.rv{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.rv.in{opacity:1;transform:none}
.rv.d1{transition-delay:.07s}.rv.d2{transition-delay:.14s}.rv.d3{transition-delay:.21s}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}}

/* ---- Parallax: la foto vive en un marco recortado y se mueve más lento que el scroll ---- */
.px{position:relative;overflow:hidden}
.px>img,.px>.px-bg{position:absolute;inset:-14% 0;width:100%;height:128%;object-fit:cover;will-change:transform}
.px-bg{background-size:cover;background-position:center}
@media (prefers-reduced-motion:reduce){.px>img,.px>.px-bg{inset:0;height:100%;transform:none!important}}

/* zoom suave al entrar en viewport */
.zoomin{overflow:hidden}
.zoomin img,.zoomin .px-bg{transform:scale(1.12);transition:transform 1.4s cubic-bezier(.2,.7,.2,1)}
.zoomin.in img,.zoomin.in .px-bg{transform:scale(1)}
@media (prefers-reduced-motion:reduce){.zoomin img,.zoomin .px-bg{transform:none}}

/* ---------------- Botones ---------------- */
.btn{
  display:inline-flex;align-items:center;gap:var(--space-2);
  padding:13px 24px;border-radius:var(--radius-md);font-weight:600;font-size:1rem;
  font-family:inherit;cursor:pointer;border:1px solid transparent;transition:background .2s,border-color .2s,transform .15s,box-shadow .2s;
}
.btn .arr{transition:transform .2s}
.btn:hover .arr{transform:translateX(4px)}
.btn-primary{background:var(--brand);color:var(--on-brand)}
.btn-primary:hover{background:var(--brand-strong);transform:translateY(-1px);box-shadow:var(--shadow-soft)}
.btn-line{background:transparent;color:var(--brand);border-color:var(--border-strong)}
.btn-line:hover{border-color:var(--brand);background:var(--brand-tint)}
.btn-white{background:#fff;color:var(--brand)}
.btn-white:hover{background:var(--brand-tint);transform:translateY(-1px)}
.btn-ghost-white{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn-ghost-white:hover{border-color:#fff;background:rgba(255,255,255,.08)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* ---------------- Header / navegación ---------------- */
.site-head{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;gap:var(--space-6);padding-block:12px}
.nav .logo img{height:48px;width:auto;display:block}
.nav-links{display:flex;gap:26px;margin-left:auto;align-items:center}
.nav-links a{color:var(--ink-muted);font-size:.95rem;font-weight:500;position:relative;padding-block:4px}
.nav-links a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--brand);transition:right .25s}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--ink)}
.nav-links a:hover::after,.nav-links a[aria-current="page"]::after{right:0}
.nav-tools{display:flex;align-items:center;gap:var(--space-4)}
.lang{display:flex;border:1px solid var(--border-strong);border-radius:var(--radius-sm);overflow:hidden}
.lang button{background:transparent;color:var(--ink-muted);border:none;padding:5px 10px;font:inherit;font-size:.8rem;font-weight:600;cursor:pointer}
.lang button[aria-pressed="true"]{background:var(--brand);color:#fff}
.menu-btn{display:none;background:transparent;border:1px solid var(--border-strong);border-radius:var(--radius-sm);color:var(--ink);padding:7px 10px;font-size:1.1rem;cursor:pointer}
.nav-cta-mobile{display:none}

/* ---------------- Footer ---------------- */
.site-foot{background:var(--brand-deep);color:#cfe0ee}
.site-foot .wrap{padding-block:48px 28px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.site-foot .fl-logo img{height:40px;margin-bottom:var(--space-4)}
.site-foot .tag{color:#9fc0da;font-size:.92rem;max-width:34ch}
.site-foot h4{font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:#7fb0d6;margin-bottom:var(--space-4);font-weight:600}
.site-foot a{color:#cfe0ee;font-size:.94rem;display:block;padding-block:5px;transition:color .2s}
.site-foot a:hover{color:#fff}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding-top:20px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.82rem;color:#7f9fb8}
.ph{color:#9fc0da}

/* ---------------- Utilidades de secciones comunes ---------------- */
.section-head{max-width:54ch;margin-bottom:40px}
.section-head h2{font-size:clamp(1.8rem,3.6vw,2.6rem)}
.section-head p{color:var(--ink-muted);margin-top:var(--space-4);font-size:1.08rem}

/* CTA band (fin de página) */
.cta-band{background:var(--brand-deep);color:#fff;position:relative;overflow:hidden}
.cta-band .wrap{padding-block:64px;position:relative;z-index:1}
.cta-band h2{font-size:clamp(1.8rem,3.6vw,2.6rem);max-width:20ch}
.cta-band p{color:#cfe0ee;margin-top:var(--space-4);max-width:52ch;font-size:1.08rem}
.cta-band .actions{margin-top:var(--space-8);display:flex;gap:var(--space-4);flex-wrap:wrap}

.nav-links a.nav-track{color:var(--brand);font-weight:600}
@media (max-width:1080px) and (min-width:861px){.nav-links{gap:18px}.nav-links a{font-size:.9rem}}

@media (max-width:860px){
  .nav{gap:12px}
  .nav-links{display:none}
  .nav-links.open{display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;background:#fff;padding:18px 22px;gap:16px;border-bottom:1px solid var(--border);margin-left:0}
  .nav-tools{margin-left:auto}
  .nav-tools .btn-primary{display:none}
  .menu-btn{display:block;margin-left:0}
  .nav-links.open .nav-cta-mobile{display:inline-flex;align-items:center;justify-content:center;background:var(--brand);color:#fff;padding:12px 18px;border-radius:var(--radius-md);font-weight:600;margin-top:4px}
  .nav-links.open .nav-cta-mobile::after{display:none}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:540px){.foot-grid{grid-template-columns:1fr}}