:root {
    --gd-teal: #006b73;       /* contraste AAA sobre blanco */
    --gd-teal-btn: #005a61;   /* botón primario: ratio 7:1+ sobre blanco */
    --gd-black: #111111;
    --gd-gray: #f5f7f8;
    --gd-hover: #004d54;
}

body {
    font-family: 'Roboto', system-ui, -apple-system, sans-serif;
    color: var(--gd-black);
    background: white;
    scroll-behavior: smooth;
}

/* ── Botones: mínimo 44×44 px para objetivos táctiles ── */
.gd-btn-primary {
    background: var(--gd-teal-btn);
    color: white;
    transition: .2s;
    border-radius: 2px;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.gd-btn-primary:hover  { background: var(--gd-hover); }
.gd-btn-primary:focus-visible { outline: 3px solid #005a61; outline-offset: 2px; }

.gd-btn-outline {
    border: 2px solid var(--gd-black);
    color: var(--gd-black);
    transition: .2s;
    border-radius: 2px;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.gd-btn-outline:hover  { background: var(--gd-black); color: white; }
.gd-btn-outline:focus-visible { outline: 3px solid #111111; outline-offset: 2px; }

/* ── Cards de precios ── */
.pricing-card { border: 1px solid #e8eaeb; transition: .2s; }
.pricing-card:hover { box-shadow: 0 8px 24px rgba(0,0,0,.08); }

/* ── Hero ── */
.hero-section { border-bottom: 1px solid #e8eaeb; min-height: 500px; }

/* ── Botón flotante WhatsApp ── */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #1a9c4a;   /* contraste suficiente sobre fondo blanco */
    color: white;
    padding: 12px 24px;
    border-radius: 4px;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 4px 12px rgba(0,0,0,.15);
    z-index: 1000;
    text-decoration: none;
    min-height: 44px;
    min-width: 44px;
}
.whatsapp-float:focus-visible { outline: 3px solid #1a9c4a; outline-offset: 3px; }

/* ── Iconos de check en listas de planes ── */
.feature-check { color: #005700; }  /* verde oscuro, ratio 7:1+ sobre blanco */

/* ── Logos de medios de pago ── */
.trust-badge { filter: grayscale(100%); opacity: .6; transition: .3s; }
.trust-badge:hover { filter: grayscale(0%); opacity: 1; }

/* ── Texto accesible visualmente oculto ── */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}

/* ── Skip link para navegación por teclado ── */
.skip-link {
    position: absolute;
    top: -100%;
    left: 0;
    background: #005a61;
    color: white;
    padding: 12px 16px;
    font-weight: bold;
    z-index: 9999;
    text-decoration: none;
}
.skip-link:focus { top: 0; }

/* ── Mobile ── */
@media (max-width: 640px) {
    .whatsapp-float {
        right: 16px;
        bottom: 16px;
        padding: 14px;
        border-radius: 9999px;
        gap: 0;
    }
    .whatsapp-float span { display: none; }
}