:root{
    --bg:#0a0a0a;
    --bg-alt:#111111;
    --surface:#ffffff;
    --surface-alt:#f7f7f8;
    --ink:#0a0a0a;
    --ink-soft:#2a2a2a;
    --muted:#6b7280;
    --muted-dark:#a1a1aa;
    --line:#e5e7eb;
    --line-dark:#1f1f22;
    --accent:#a855f7;
    --accent-strong:#9333ea;
    --accent-soft:#f3e8ff;
    --radius:14px;
    --radius-lg:20px;
    --shadow-sm:0 1px 2px rgba(10,10,10,.06),0 1px 1px rgba(10,10,10,.04);
    --shadow-md:0 10px 25px -10px rgba(10,10,10,.15),0 4px 10px -4px rgba(10,10,10,.08);
    --shadow-lg:0 25px 50px -12px rgba(10,10,10,.25);
    --container:1240px;
    --transition:.25s cubic-bezier(.2,.8,.2,1);
    --font-sans:'Inter','Helvetica Neue',Arial,sans-serif;
    --font-display:'Archivo','Inter',sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:84px}
body{
    margin:0;
    font-family:var(--font-sans);
    color:var(--ink);
    background:var(--surface);
    line-height:1.6;
    font-size:16px;
    -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}

h1,h2,h3,h4{font-family:var(--font-display);color:var(--ink);line-height:1.15;letter-spacing:-.02em;margin:0 0 .5em}
h1{font-size:clamp(2.25rem,4.5vw,3.75rem);font-weight:800}
h2{font-size:clamp(1.85rem,3.2vw,2.75rem);font-weight:800}
h3{font-size:1.35rem;font-weight:700}
h4{font-size:1.05rem;font-weight:700}
p{margin:0 0 1em}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-sm{padding:64px 0}
.section-dark{background:var(--bg);color:#fff}
.section-dark h1,.section-dark h2,.section-dark h3,.section-dark h4{color:#fff}
.section-alt{background:var(--surface-alt)}

.tag{
    display:inline-block;
    padding:.4rem 1rem;
    background:var(--accent-soft);
    color:var(--accent-strong);
    border-radius:999px;
    font-size:.78rem;
    font-weight:700;
    letter-spacing:.12em;
    text-transform:uppercase;
}
.section-dark .tag{background:rgba(168,85,247,.15);color:#c084fc}

.section-header{text-align:center;max-width:820px;margin:0 auto 56px}
.section-header p{color:var(--muted);font-size:1.05rem;margin-top:.75rem}
.section-dark .section-header p{color:var(--muted-dark)}

.btn{
    display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
    padding:14px 26px;border-radius:999px;
    font-weight:600;font-size:.95rem;
    transition:transform var(--transition),background var(--transition),color var(--transition),box-shadow var(--transition);
    white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 10px 20px -10px rgba(168,85,247,.6)}
.btn-primary:hover{background:var(--accent-strong);transform:translateY(-2px);box-shadow:0 14px 28px -10px rgba(168,85,247,.7)}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.25)}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.5)}
.btn-outline{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn-outline:hover{border-color:var(--ink);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--accent-strong)}
.btn-light:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}

/* ANNOUNCEMENT BAR */
.announce-bar{
    background:linear-gradient(90deg,#7c3aed,#a855f7);
    color:#fff;
    font-size:.85rem;
    font-weight:500;
    letter-spacing:.01em;
}
.announce-bar .announce-inner{
    display:flex;align-items:center;justify-content:center;gap:14px;
    padding:9px 20px;text-align:center;
    flex-wrap:wrap;
}
.announce-bar .announce-item{display:inline-flex;align-items:center;gap:8px}
.announce-bar .announce-item svg{width:14px;height:14px;flex-shrink:0;opacity:.9}
.announce-bar .announce-sep{opacity:.45;font-weight:400}
.announce-bar strong{font-weight:700}
.announce-bar .announce-cta{
    color:#fff;font-weight:700;text-decoration:underline;text-underline-offset:3px;
    transition:opacity var(--transition);
}
.announce-bar .announce-cta:hover{opacity:.85}
@media (max-width:560px){
    .announce-bar{font-size:.78rem}
    .announce-bar .announce-inner{gap:10px;padding:8px 14px}
    .announce-bar .announce-sep{display:none}
}

/* ACCESIBILIDAD: skip link */
.skip-link{
    position:absolute;left:-9999px;top:0;z-index:100;
    background:var(--ink);color:#fff;padding:10px 16px;border-radius:0 0 10px 0;
    font-weight:600;font-size:.9rem;
}
.skip-link:focus{left:0}

/* HEADER */
.site-header{
    position:sticky;top:0;z-index:50;
    background:#ffffff;
    border-bottom:1px solid var(--line);
    transition:box-shadow var(--transition);
}
.site-header.scrolled{
    box-shadow:0 6px 20px -14px rgba(10,10,10,.18);
}
.site-header .nav{
    display:flex;align-items:center;justify-content:space-between;gap:24px;
    padding:14px 0;min-height:68px;
}
.site-header .logo{
    display:flex;align-items:center;gap:10px;
    color:var(--ink);font-weight:800;letter-spacing:-.01em;
    font-family:var(--font-display);font-size:1.05rem;line-height:1;
    flex-shrink:0;
}
.site-header .logo img{height:40px;width:auto}
.site-header .logo:hover{color:var(--accent-strong)}

.site-header .nav-links{display:flex;gap:6px;list-style:none;padding:0;margin:0;align-items:center}
.site-header .nav-links a{
    position:relative;display:inline-block;
    padding:10px 14px;border-radius:10px;
    color:var(--ink-soft);font-size:.93rem;font-weight:500;
    transition:color var(--transition),background var(--transition);
}
.site-header .nav-links a:hover{color:var(--ink);background:var(--surface-alt)}
.site-header .nav-links a.is-active{
    color:var(--accent-strong);background:var(--accent-soft);
}

/* Submenu (desktop) */
.site-header .nav-links .has-submenu{position:relative}
.site-header .nav-links .has-submenu > a{display:inline-flex;align-items:center;gap:6px}
.site-header .nav-links .has-submenu > a::after{
    content:"";display:inline-block;width:6px;height:6px;
    border-right:2px solid currentColor;border-bottom:2px solid currentColor;
    transform:rotate(45deg);opacity:.55;
    position:relative;top:-2px;
}
.site-header .nav-links .submenu{
    display:none;
    position:absolute;top:100%;left:0;
    background:#fff;border:1px solid var(--line);border-radius:12px;
    min-width:240px;padding:8px;margin:0;list-style:none;
    box-shadow:0 20px 40px -20px rgba(10,10,10,.2);
}
.site-header .nav-links .has-submenu:hover > .submenu,
.site-header .nav-links .has-submenu:focus-within > .submenu{display:block}
.site-header .nav-links .submenu li{width:100%;padding:0}
.site-header .nav-links .submenu a{
    display:block;padding:10px 12px;border-radius:8px;
    color:var(--ink-soft);font-size:.92rem;white-space:nowrap;font-weight:500;
}
.site-header .nav-links .submenu a:hover{background:var(--surface-alt);color:var(--ink)}

.site-header .nav-links .mobile-extras{display:none}
.site-header .nav-cta{display:flex;align-items:center;gap:10px;flex-shrink:0}
.site-header .phone-link{
    display:inline-flex;align-items:center;gap:8px;
    color:var(--ink);font-weight:600;font-size:.9rem;
    padding:8px 12px;border-radius:10px;
    transition:background var(--transition),color var(--transition);
}
.site-header .phone-link:hover{background:var(--surface-alt);color:var(--accent-strong)}
.site-header .phone-link svg{width:16px;height:16px}
.site-header .nav-cta .btn{padding:11px 20px;font-size:.9rem}

.nav-toggle{
    display:none;align-items:center;justify-content:center;
    width:44px;height:44px;border-radius:10px;
    color:var(--ink);background:transparent;
    transition:background var(--transition);
}
.nav-toggle:hover{background:var(--surface-alt)}
.nav-toggle svg{width:24px;height:24px;display:block}
.nav-toggle .icon-close{display:none}
.site-header.open .nav-toggle .icon-menu{display:none}
.site-header.open .nav-toggle .icon-close{display:block}

@media (max-width:1020px){
    .site-header .phone-link span{display:none}
}

@media (max-width:960px){
    body.nav-open{overflow:hidden}

    .site-header .nav-links{
        position:fixed;top:68px;left:0;right:0;bottom:0;
        flex-direction:column;gap:4px;align-items:stretch;
        background:#fff;
        padding:20px 20px calc(20px + env(safe-area-inset-bottom));
        overflow-y:auto;
        transform:translateY(-8px);opacity:0;pointer-events:none;
        transition:transform var(--transition),opacity var(--transition);
    }
    .site-header.open .nav-links{transform:translateY(0);opacity:1;pointer-events:auto}
    .site-header .nav-links li{width:100%}
    .site-header .nav-links a{
        display:block;padding:16px 14px;font-size:1rem;
        border-radius:12px;
    }
    .site-header .nav-links .mobile-extras{
        margin-top:auto;padding-top:16px;border-top:1px solid var(--line);
        display:flex !important;flex-direction:column;gap:10px;
    }
    .site-header .nav-links .mobile-extras .phone-link{
        padding:14px;background:var(--surface-alt);border-radius:12px;font-size:1rem;justify-content:center;
    }
    .site-header .nav-links .mobile-extras .phone-link span{display:inline}
    .site-header .nav-links .mobile-extras .btn{width:100%;padding:16px;font-size:1rem}
    .nav-toggle{display:inline-flex}
    .site-header .nav-cta .btn,
    .site-header .nav-cta .phone-link{display:none}

    /* Submenu en móvil: lista inline e indentada */
    .site-header .nav-links .has-submenu > a::after{display:none}
    .site-header .nav-links .submenu{
        display:block !important;
        position:static;
        border:none;box-shadow:none;padding:0 0 4px 14px;margin:0;
        background:transparent;min-width:0;
    }
    .site-header .nav-links .submenu a{padding:12px 14px;font-size:.95rem;color:var(--muted)}
}

/* FOOTER */
.site-footer{background:#0a0a0a;color:#e5e5e5;padding:72px 0 32px;border-top:1px solid var(--line-dark)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:48px;margin-bottom:48px}
.footer-brand .logo{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:800;color:#fff;font-size:1.2rem;margin-bottom:14px}
.footer-brand .logo img{height:40px}
.footer-brand p{color:var(--muted-dark);font-size:.95rem;max-width:340px}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social a{
    width:38px;height:38px;border-radius:50%;
    background:#1a1a1a;color:#e5e5e5;
    display:inline-flex;align-items:center;justify-content:center;
    transition:background var(--transition),color var(--transition);
}
.footer-social a:hover{background:var(--accent);color:#fff}
.footer-col h4{color:#fff;font-size:.95rem;margin-bottom:14px}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin-bottom:10px}
.footer-col a{color:var(--muted-dark);font-size:.92rem;transition:color var(--transition)}
.footer-col a:hover{color:var(--accent)}
.footer-col p{color:var(--muted-dark);font-size:.92rem;margin:0 0 10px}
.footer-bottom{
    display:flex;justify-content:space-between;align-items:center;
    padding-top:24px;border-top:1px solid var(--line-dark);
    color:var(--muted-dark);font-size:.85rem;gap:16px;flex-wrap:wrap;
}
@media (max-width:900px){
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
    .footer-brand{grid-column:1/-1}
}
@media (max-width:560px){
    .footer-grid{grid-template-columns:1fr}
}