/* ==========================================================================
   medicinaocupacional.com.co — Landing comercial
   Solo HTML y CSS: cero JavaScript. El menú móvil usa el patrón del checkbox.
   Paleta heredada del logo, la misma de la aplicación.
   ========================================================================== */

:root {
    /* Colores del logo */
    --azul-oscuro: #193672;
    --azul-claro: #39bce1;
    --verde-oscuro: #175727;
    --verde-claro: #8ccc80;

    /* Derivados para interfaz */
    --azul-medio: #24509e;
    --azul-tinte: #eef4fb;
    --verde-tinte: #eef7ec;

    /* Neutros */
    --texto: #1f2a37;
    --texto-suave: #52606d;
    --borde: #dfe6ee;
    --fondo: #ffffff;
    --fondo-alt: #f6f9fc;

    /* WhatsApp, color de marca oficial */
    --whatsapp: #25d366;
    --whatsapp-oscuro: #128c7e;

    --radio: 12px;
    --sombra: 0 1px 3px rgba(25, 54, 114, .08), 0 8px 24px rgba(25, 54, 114, .06);
    --sombra-alta: 0 2px 6px rgba(25, 54, 114, .10), 0 16px 40px rgba(25, 54, 114, .12);
    --ancho: 1140px;
    --transicion: .18s ease;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 132px; }

body {
    margin: 0;
    font-family: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
    font-size: 17px;
    line-height: 1.65;
    color: var(--texto);
    background: var(--fondo);
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

h1, h2, h3 { line-height: 1.2; color: var(--azul-oscuro); margin: 0 0 .5em; }
h1 { font-size: clamp(2rem, 5vw, 3.1rem); letter-spacing: -.02em; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.3rem); letter-spacing: -.01em; }
h3 { font-size: 1.18rem; }
p  { margin: 0 0 1rem; }

a { color: var(--azul-medio); }

.contenedor { width: min(100% - 2.5rem, var(--ancho)); margin-inline: auto; }

/* Se ve solo para lectores de pantalla */
.solo-lectores {
    position: absolute; width: 1px; height: 1px;
    padding: 0; margin: -1px; overflow: hidden;
    clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* Salto al contenido, visible al tabular */
.saltar {
    position: absolute; left: -999px; top: 0; z-index: 200;
    background: var(--azul-oscuro); color: #fff; padding: .75rem 1.25rem;
}
.saltar:focus { left: 0; }

:focus-visible { outline: 3px solid var(--azul-claro); outline-offset: 2px; }

/* ==========================================================================
   Botones
   ========================================================================== */

.boton {
    display: inline-flex; align-items: center; gap: .55rem;
    padding: .85rem 1.6rem;
    border: 2px solid transparent; border-radius: 999px;
    font-size: 1rem; font-weight: 600; text-decoration: none;
    cursor: pointer; transition: var(--transicion);
    font-family: inherit;
}
.boton:hover { transform: translateY(-2px); }

.boton--whatsapp { background: var(--whatsapp); color: #08331b; }
.boton--whatsapp:hover { background: #1fbe5a; box-shadow: 0 8px 22px rgba(37, 211, 102, .35); }

.boton--principal { background: var(--azul-oscuro); color: #fff; }
.boton--principal:hover { background: var(--azul-medio); box-shadow: 0 8px 22px rgba(25, 54, 114, .3); }

.boton--borde { background: transparent; color: var(--azul-oscuro); border-color: var(--borde); }
.boton--borde:hover { border-color: var(--azul-claro); background: var(--azul-tinte); }

.boton--ancho { width: 100%; justify-content: center; }

/* ==========================================================================
   Cabecera
   ========================================================================== */

.cabecera {
    position: sticky; top: 0; z-index: 100;
    background: rgba(255, 255, 255, .96);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--borde);
}
.cabecera__interior {
    display: flex; align-items: center; justify-content: space-between;
    gap: 1rem; padding: .35rem 0;
}
.cabecera__logo img { height: 116px; width: auto; }

.navegacion ul {
    display: flex; align-items: center; gap: 1.75rem;
    list-style: none; margin: 0; padding: 0;
}
.navegacion a {
    color: var(--texto); text-decoration: none; font-weight: 500;
    font-size: .97rem; padding: .35rem 0; position: relative;
}
.navegacion a::after {
    content: ""; position: absolute; left: 0; right: 0; bottom: 0;
    height: 2px; background: var(--azul-claro);
    transform: scaleX(0); transition: transform var(--transicion);
}
.navegacion a:hover::after { transform: scaleX(1); }

/* Menú móvil sin JavaScript */
.menu-check { display: none; }
.menu-boton { display: none; }

/* ==========================================================================
   Portada
   ========================================================================== */

.portada {
    background:
        radial-gradient(900px 420px at 82% -8%, rgba(57, 188, 225, .16), transparent 60%),
        radial-gradient(700px 380px at 4% 105%, rgba(140, 204, 128, .18), transparent 60%),
        var(--fondo-alt);
    border-bottom: 1px solid var(--borde);
    padding: clamp(3rem, 7vw, 5.5rem) 0;
}
.portada__grid {
    display: grid; grid-template-columns: 1.15fr .85fr;
    gap: clamp(2rem, 5vw, 4rem); align-items: center;
}
.portada__marca {
    display: inline-flex; align-items: center; gap: .5rem;
    background: #fff; border: 1px solid var(--borde);
    border-radius: 999px; padding: .4rem 1rem;
    font-size: .87rem; font-weight: 600; color: var(--azul-medio);
    margin-bottom: 1.25rem;
}
.portada__marca::before {
    content: ""; width: 8px; height: 8px; border-radius: 50%;
    background: var(--verde-claro);
}
.portada h1 span { color: var(--azul-claro); }
.portada__entrada {
    font-size: clamp(1.05rem, 2vw, 1.2rem);
    color: var(--texto-suave); max-width: 54ch; margin-bottom: 1.75rem;
}
.portada__acciones { display: flex; flex-wrap: wrap; gap: .85rem; }
.portada__nota {
    margin-top: 1.5rem; font-size: .92rem; color: var(--texto-suave);
}

.portada__figura { position: relative; }
.portada__figura img {
    border-radius: var(--radio); box-shadow: var(--sombra-alta);
    width: 100%; height: auto;
}
.portada__credencial {
    position: absolute; left: -14px; bottom: 22px;
    background: #fff; border-radius: var(--radio);
    box-shadow: var(--sombra-alta); padding: .85rem 1.1rem;
    border-left: 4px solid var(--verde-claro); max-width: 82%;
}
.portada__credencial strong { display: block; color: var(--azul-oscuro); font-size: .98rem; }
.portada__credencial span { font-size: .85rem; color: var(--texto-suave); }

/* ==========================================================================
   Franja de confianza
   ========================================================================== */

.confianza { background: var(--azul-oscuro); color: #fff; padding: 1.6rem 0; }
.confianza__grid {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem; text-align: center;
}
.confianza__dato strong {
    display: block; font-size: 1.05rem; color: #fff; margin-bottom: .1rem;
}
.confianza__dato span { font-size: .87rem; color: rgba(255, 255, 255, .78); }

/* ==========================================================================
   Secciones
   ========================================================================== */

.seccion { padding: clamp(3.5rem, 8vw, 5.5rem) 0; }
.seccion--alt { background: var(--fondo-alt); }

.seccion__titulo { text-align: center; max-width: 62ch; margin: 0 auto 3rem; }
.seccion__titulo p { color: var(--texto-suave); margin-bottom: 0; }
.etiqueta {
    display: inline-block; font-size: .8rem; font-weight: 700;
    letter-spacing: .09em; text-transform: uppercase;
    color: var(--azul-claro); margin-bottom: .6rem;
}

/* Servicios */
.servicios { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; align-items: start; }
.tarjeta {
    background: #fff; border: 1px solid var(--borde); border-radius: var(--radio);
    padding: 1.9rem 1.6rem; box-shadow: var(--sombra);
    transition: var(--transicion);
}
.tarjeta:hover { transform: translateY(-4px); box-shadow: var(--sombra-alta); border-color: #cddcec; }
.tarjeta__icono {
    width: 52px; height: 52px; border-radius: 14px;
    display: grid; place-items: center; margin-bottom: 1.1rem;
    background: var(--azul-tinte); color: var(--azul-oscuro);
}
.tarjeta__icono--verde { background: var(--verde-tinte); color: var(--verde-oscuro); }
.tarjeta__icono svg { width: 27px; height: 27px; }
.tarjeta ul { list-style: none; margin: 0; padding: 0; }
.tarjeta li {
    position: relative; padding-left: 1.6rem; margin-bottom: .6rem;
    font-size: .96rem; color: var(--texto-suave);
}
.tarjeta li::before {
    content: ""; position: absolute; left: 0; top: .55em;
    width: 7px; height: 7px; border-radius: 50%; background: var(--verde-claro);
}
.tarjeta--destacada { border-top: 4px solid var(--azul-claro); }

/* Extramurales */
.extramural {
    display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 3.5rem);
    align-items: center;
    background: linear-gradient(135deg, var(--azul-oscuro) 0%, var(--azul-medio) 100%);
    color: #fff; border-radius: 20px; padding: clamp(2rem, 5vw, 3.2rem);
}
.extramural h2 { color: #fff; }
.extramural p { color: rgba(255, 255, 255, .88); }
.extramural ul { list-style: none; margin: 0; padding: 0; }
.extramural li {
    position: relative; padding-left: 1.9rem; margin-bottom: .85rem;
    color: rgba(255, 255, 255, .92);
}
.extramural li::before {
    content: "✓"; position: absolute; left: 0; top: 0;
    color: var(--verde-claro); font-weight: 700;
}

/* Perfil profesional */
.perfil { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(2rem, 5vw, 3.5rem); align-items: center; }
.perfil__foto img {
    border-radius: var(--radio); box-shadow: var(--sombra-alta);
    /* Recorte controlado: a tamaño completo la foto se estira demasiado en
       columna estrecha y repite tal cual la de la portada. */
    width: 100%; height: auto; aspect-ratio: 4 / 5; object-fit: cover; object-position: 50% 18%;
}
.perfil__lista { list-style: none; margin: 1.5rem 0 0; padding: 0; display: grid; gap: .9rem; }
.perfil__lista li { display: flex; gap: .8rem; align-items: flex-start; }
.perfil__lista svg { flex-shrink: 0; width: 22px; height: 22px; color: var(--verde-oscuro); margin-top: .18rem; }

/* ==========================================================================
   Contacto
   ========================================================================== */

.contacto__grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(2rem, 5vw, 3.5rem); }

.canales { display: grid; gap: 1rem; margin-bottom: 2rem; }
.canal {
    display: flex; align-items: center; gap: 1rem;
    background: #fff; border: 1px solid var(--borde); border-radius: var(--radio);
    padding: 1.1rem 1.3rem; text-decoration: none; color: inherit;
    transition: var(--transicion);
}
.canal:hover { border-color: var(--azul-claro); box-shadow: var(--sombra); transform: translateX(3px); }
.canal__icono {
    width: 46px; height: 46px; border-radius: 12px; flex-shrink: 0;
    display: grid; place-items: center; background: var(--azul-tinte); color: var(--azul-oscuro);
}
.canal__icono--whatsapp { background: rgba(37, 211, 102, .14); color: var(--whatsapp-oscuro); }
.canal__icono svg { width: 23px; height: 23px; }
.canal__texto strong { display: block; font-size: .82rem; color: var(--texto-suave); font-weight: 600; }
.canal__texto span { color: var(--azul-oscuro); font-weight: 600; word-break: break-word; }

.canales__nota {
    background: var(--verde-tinte); border: 1px solid var(--verde-claro);
    border-radius: var(--radio); padding: 1.1rem 1.3rem;
    font-size: .94rem; color: #12491f;
}
.canales__nota strong { display: block; margin-bottom: .2rem; }

/* Formulario */
.formulario {
    background: #fff; border: 1px solid var(--borde); border-radius: var(--radio);
    padding: clamp(1.5rem, 4vw, 2.2rem); box-shadow: var(--sombra);
}
.campo { margin-bottom: 1.15rem; }
.campo label { display: block; font-size: .9rem; font-weight: 600; margin-bottom: .4rem; }
.campo .obligatorio { color: #c0392b; }
.campo input, .campo textarea, .campo select {
    width: 100%; padding: .8rem 1rem;
    border: 1px solid var(--borde); border-radius: 9px;
    font-family: inherit; font-size: 1rem; color: var(--texto);
    background: #fff; transition: var(--transicion);
}
.campo input:focus, .campo textarea:focus, .campo select:focus {
    outline: none; border-color: var(--azul-claro);
    box-shadow: 0 0 0 3px rgba(57, 188, 225, .18);
}
.campo textarea { resize: vertical; min-height: 118px; }
.campo__ayuda { font-size: .84rem; color: var(--texto-suave); margin: .4rem 0 0; }

.campos-dos { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* Trampa antispam: oculta para personas, visible para robots */
.trampa {
    position: absolute; left: -9999px; opacity: 0;
    height: 0; width: 0; overflow: hidden;
}

.aviso { border-radius: 9px; padding: .95rem 1.15rem; margin-bottom: 1.4rem; font-size: .95rem; }
.aviso--exito { background: var(--verde-tinte); border: 1px solid var(--verde-claro); color: #12491f; }
.aviso--error { background: #fdecea; border: 1px solid #f5b7b1; color: #922b21; }

/* ==========================================================================
   Pie
   ========================================================================== */

.pie { background: var(--azul-oscuro); color: rgba(255, 255, 255, .8); padding: 3rem 0 1.5rem; }
.pie__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2.5rem; margin-bottom: 2.5rem; }
.pie h3 { color: #fff; font-size: 1rem; margin-bottom: 1rem; }
.pie ul { list-style: none; margin: 0; padding: 0; }
.pie li { margin-bottom: .55rem; font-size: .94rem; }
.pie a { color: rgba(255, 255, 255, .8); text-decoration: none; }
.pie a:hover { color: #fff; text-decoration: underline; }
.pie__simbolo {
    width: 64px; margin-bottom: 1.1rem;
    background: #fff; border-radius: 14px; padding: 7px;
}
.pie__legal {
    border-top: 1px solid rgba(255, 255, 255, .16); padding-top: 1.5rem;
    display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between;
    font-size: .87rem;
}

/* Botón flotante de WhatsApp */
.flotante {
    position: fixed; right: 20px; bottom: 20px; z-index: 90;
    width: 58px; height: 58px; border-radius: 50%;
    background: var(--whatsapp); color: #fff;
    display: grid; place-items: center;
    box-shadow: 0 6px 22px rgba(37, 211, 102, .45);
    transition: var(--transicion);
}
.flotante:hover { transform: scale(1.08); }
.flotante svg { width: 31px; height: 31px; }

/* ==========================================================================
   Adaptación a pantallas menores
   ========================================================================== */

@media (max-width: 920px) {
    .portada__grid, .perfil, .extramural, .contacto__grid { grid-template-columns: 1fr; }

    /* El titular va primero: en móvil la foto ocupaba toda la pantalla y el
       visitante llegaba a la propuesta de valor solo tras desplazarse. */
    .portada__figura {
        max-width: 380px; margin-inline: auto;
    }
    .portada__figura img {
        aspect-ratio: 4 / 3; object-fit: cover; object-position: 50% 15%;
        height: auto;
    }
    .servicios { grid-template-columns: 1fr; }
    .confianza__grid { grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
    .pie__grid { grid-template-columns: 1fr; gap: 2rem; }

    .cabecera__logo img { height: 72px; }

    /* Menú desplegable, sin JavaScript */
    .menu-boton {
        display: grid; place-items: center;
        width: 44px; height: 44px; cursor: pointer;
        border: 1px solid var(--borde); border-radius: 9px;
        background: #fff;
    }
    .menu-boton span, .menu-boton span::before, .menu-boton span::after {
        content: ""; display: block; width: 20px; height: 2px;
        background: var(--azul-oscuro); border-radius: 2px;
        transition: var(--transicion);
    }
    .menu-boton span::before { transform: translateY(-6px); }
    .menu-boton span::after  { transform: translateY(4px); }

    .navegacion {
        position: absolute; left: 0; right: 0; top: 100%;
        background: #fff; border-bottom: 1px solid var(--borde);
        box-shadow: var(--sombra);
        max-height: 0; overflow: hidden; transition: max-height .25s ease;
    }
    .menu-check:checked ~ .navegacion { max-height: 420px; }
    .navegacion ul { flex-direction: column; align-items: stretch; gap: 0; padding: .5rem 1.25rem 1.25rem; }
    .navegacion li { border-bottom: 1px solid var(--borde); }
    .navegacion li:last-child { border-bottom: 0; }
    .navegacion a { display: block; padding: .95rem 0; }
}

@media (max-width: 560px) {
    body { font-size: 16px; }
    .confianza__grid { grid-template-columns: 1fr; text-align: left; }
    .campos-dos { grid-template-columns: 1fr; }
    .portada__acciones .boton { width: 100%; justify-content: center; }
    .portada__credencial { position: static; max-width: none; margin-top: 1rem; }
}

/* Respeta a quien pide menos movimiento */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation: none !important; transition: none !important; }
    .boton:hover, .tarjeta:hover, .canal:hover, .flotante:hover { transform: none; }
}

/* Impresión: que el portafolio salga legible en papel */
@media print {
    .cabecera, .flotante, .formulario, .portada__acciones { display: none; }
    body { font-size: 11pt; }
    .seccion { padding: 1.5rem 0; }
    .extramural { background: none; color: var(--texto); border: 1px solid var(--borde); }
    .extramural h2, .extramural p, .extramural li { color: var(--texto); }
}