@font-face {
    font-family: 'Cooper Hewitt';
    src: url('../fonts/CooperHewitt-Light.woff') format('woff'),
    url('../fonts/CooperHewitt-Thin.woff') format('woff');
}

:root {
    /* --- COLORES DE TEXTO (Ahora oscuros) --- */
    --white: #1F1F1F;       /* Antes era blanco, ahora es gris muy oscuro (para el texto principal) */
    --light-grey: #555555;  /* Antes era gris claro, ahora es gris medio (para texto secundario) */
    
    /* --- COLOR DE ACENTO (Dorado/Beige) --- */
    --beaver: #A78976;      /* Se mantiene igual (color de marca) */

    /* --- FONDOS (Ahora claros) --- */
    --black: #FFFFFF;       /* Antes negro, ahora Blanco puro (para fondos de hover o detalles) */
    --eerie-black: #FFFFFF; /* Antes gris oscuro, ahora Blanco (para Tarjetas y sección "Sobre mí") */
    --jet: #E4E6E8;         /* Antes gris, ahora "Gris Perla" (para el Fondo Principal, Home, Header) */
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 62.5%;
    scrollbar-width: thin;
    scrollbar-color: var(--beaver) var(--eerie-black);
    scroll-behavior: smooth;
}

html::-webkit-scrollbar {
    width: 8px;
}

html::-webkit-scrollbar-track {
    background-color: var(--eerie-black);
}


html::-webkit-scrollbar-thumb {
    background-color: var(--beaver);;
}

::selection {
    background-color: #776254;
}

/* Header */

.header {
    background-color: var(--jet);
    padding: .8rem 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1;
    transition: .5s;
}

.header.abajo {
    backdrop-filter: blur(15px);
    background: rgba(228, 230, 232, 0.85); /* Gris perla con transparencia */
    box-shadow: 0 4px 15px rgba(0,0,0,0.1); /* Sombra suave para separar del fondo */
}

.header .logo__header {
    width: 4.5rem;
}

nav.nav_menu.active {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    position: absolute;
    left: 0;
    top: 6.3rem;
    width: 100%;
    height: auto;
    background-color: var(--eerie-black);
    box-shadow: 0 10px 16px -6px rgb(5 5 5 / 30%), 0 25px 10px -24px rgb(5 5 5 / 10%);
    animation: ease .4s left forwards;
}

@keyframes left {
    0% {
        left: 100%;
    }
    100% {
        left: 0;
    }
}

nav.nav_menu.active a {
    padding: 2rem;
    font-family: 'Cooper Hewitt';
    letter-spacing: .1rem;
    text-decoration: none;
    color: var(--white);
    font-size: 2rem;
    width: 100%;
    text-align: center;
}

nav.nav_menu.active a:hover {
    color: var(--beaver);
    background-color: var(--black);
    transition: all .4s;
}

nav.nav_menu.not-active a {
    display: none;
}

nav.nav_menu.active .flags {
    width: 12rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 1rem 0;
}

nav.nav_menu.active .flags__item {
    margin: 0 .3rem;
    filter: contrast(65%);
    cursor: pointer;
}

nav.nav_menu.not-active .flags {
    display: none;
}

.btn {
    position: absolute;
    top: 50%;
    right: 2rem;
    transform: translate(-50%, -50%);
    width: 3rem;
    cursor: pointer;
}

#button span {
    display: block;
    width: 100%;
    box-shadow: 0 2px 10px 0 rgb(0, 0, 0, 0.3);
    border-radius: 3px;
    height: .3rem;
    background: var(--beaver);
    transition: all .3s;
    position: relative;
}

span+span {
    margin-top: .6rem;
}

.active span:nth-child(1) {
    animation: ease .7s top forwards;
}

.not-active span:nth-child(1) {
    animation: ease .7s top-2 forwards;
}

.active span:nth-child(2) {
    animation: ease .7s scaled forwards;
}

.not-active span:nth-child(2) {
    animation: ease .7s scaled-2 forwards;
}

.active span:nth-child(3) {
    animation: ease .7s bottom forwards;
}

.not-active span:nth-child(3) {
    animation: ease .7s bottom-2 forwards;
}

@keyframes top {
    0% {
        top: 0;
        transform: rotate(0);
    }
    50% {
        top: 1rem;
        transform: rotate(0);
    }
    100% {
        top: 1rem;
        transform: rotate(45deg);
    }
}

@keyframes top-2 {
    0% {
        top: .8rem;
        transform: rotate(45deg);
    }
    50% {
        top: .8rem;
        transform: rotate(0deg);
    }
    100% {
        top: 0;
        transform: rotate(0deg);
    }
}

@keyframes bottom {
    0% {
        bottom: 0;
        transform: rotate(0);
    }
    50% {
        bottom: .8rem;
        transform: rotate(0);
    }
    100% {
        bottom: .8rem;
        transform: rotate(135deg);
    }
}

@keyframes bottom-2 {
    0% {
        bottom: .8rem;
        transform: rotate(135deg);
    }
    50% {
        bottom: .8rem;
        transform: rotate(0);
    }
    100% {
        bottom: 0;
        transform: rotate(0);
    }
}

@keyframes scaled {
    50% {
        transform: scale(0);
    }
    100% {
        transform: scale(0);
    }
}

@keyframes scaled-2 {
    0% {
        transform: scale(0);
    }
    50% {
        transform: scale(0);
    }
    100% {
        transform: scale(1);
    }
}

/* Home */

.home {
    position: relative;
    width: 100%;
    min-height: 100vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* ===== VIDEO HOME ===== */

.home__video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

/* Capa oscura para que el texto se lea bien */
.home__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.719); /* puedes ajustar opacidad */
    backdrop-filter: blur(2px);
    z-index: 1;
}

/* Todo el contenido encima del video */
.home > *:not(.home__video):not(.home__overlay) {
    position: relative;
    z-index: 2;
}

.container_image-home {
    width: 100%;
    height: auto;
    display: flex;
    justify-content: center;
    padding: 12rem 0 5rem 0;
}

.image_home {
    max-width: 65%;
    transition: .4s;
    animation: image 2s;
}

.home_info {
    display: flex;
    justify-content: center;
    flex-direction: column;
    text-align: center;
}

.home_text-1 {
    font-family: 'Cooper Hewitt';
    color: var(--white);
    font-size: 2rem;
}

.home_text-2 {
    font-family: 'PT Sans';
    color: var(--beaver);
    font-size: 3.2rem;
    margin-bottom: 1rem;
}

.home_text-3 {
    font-family: 'Cooper Hewitt';
    color: var(--white);
    font-size: 1.4rem;
    text-transform: uppercase;
    letter-spacing: .2rem;
    width: 28rem;
    margin: 0 auto;
    text-align: start;
}

.text-type {
    position: relative;
}

.text-type::after {
    content: '|';
    font-weight: bold;
    position: absolute;
    right: 0;
    color: var(--beaver);
    background-color: var(--jet);
    width: 100%;
    animation: typing 4s steps(28) alternate infinite;
}

@keyframes typing {
    to{
        width: 0%;
    }
}

.container_parrafo-info {
    display: none;
}

.cv_button {
    background-color: var(--beaver);
    border-radius: 3rem;
    padding: .6rem 2rem .5rem 2rem;
    color: var(--jet);
    font-family: 'Cooper Hewitt';
    font-weight: bold;
    font-size: 1.6rem;
    text-transform: uppercase;
    letter-spacing: .1rem;
    margin: 2rem 0;
    border: none;
    cursor: pointer;
}

.contact_button {
    display: none;
}

.links {
    display: flex;
    justify-content: center;
    padding: 2rem 0 6rem 0;
}

.links img {
    width: 2.4rem;
    margin: 0 .5rem;
}

.links .icon-CodePen {
    width: 2.1rem;
    margin-top: 2px;
}

/* Sobre mí */

.sobreMi {
    background-color: var(--eerie-black);
    width: 100%;
    height: auto;
}

.sobreMi h1 {
    display: block;
    text-align: center;
    color: var(--white);
    font-family: 'Cooper Hewitt';
    font-size: 2.4rem;
    letter-spacing: .1rem;
    padding-top: 6rem;
}

.container_texto-sobreMi {
    display: flex;
    flex-direction: column;
    padding: 4rem 3rem 3rem 3rem;
}

.title_sobreMi {
    font-family: 'Cooper Hewitt';
    color: var(--beaver);
    text-align: center;
    font-size: 2.2rem;
    letter-spacing: .1rem;
    font-weight: bold;
    margin-bottom: 2rem;
}

.texto_sobreMi {
    color: var(--light-grey);
    font-family: 'Cooper Hewitt';
    font-size: 1.5rem;
    letter-spacing: .1rem;
    white-space: pre-line;
    text-align: justify;
    line-height: 2.2rem;
}

.container_image-sobreMi {
    width: 100%;
    height: auto;
    display: flex;
    justify-content: center;
    padding: 1rem 0;
}

.image_sobreMi {
    width: 65%;
    margin-bottom: 5rem;
    border-bottom: 2px solid var(--jet);
}

/* Habilidades */

.habilidades {
    position: relative;
    background: url('../images/fondo-servicios.png') center/cover no-repeat;
    width: 100%;
    height: auto;
}  

/* Overlay para suavizar la imagen y mantener legibilidad */
.habilidades::before{
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(228, 230, 232, 0.88); /* ajusta 0.80 - 0.92 */
    z-index: 0;
}

/* Todo el contenido por encima del overlay */
.habilidades > *{
    position: relative;
    z-index: 1;
}

.habilidades h1 {
    display: block;
    text-align: center;
    color: var(--white);
    font-family: 'Cooper Hewitt';
    font-size: 2.4rem;
    letter-spacing: .1rem;
    padding: 6rem 0 5rem 0;
}

.puntos1-habilidades, .puntos2-habilidades {
    display: none;
}

.container_fondoPuntos--habilidades img {
    display: none;
}

.cards_container--habilidades {
    display: grid;
    grid-template-columns: 13rem 13rem;
    grid-template-rows: 14rem 14rem 14rem;
    gap: 3rem;
    justify-content: center;
    padding-bottom: 5rem;
}

.cards--habilidades {
    background-color: var(--eerie-black);
    border-radius: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    /* filter: saturate(40%); */
    width: 13rem;
    height: 14rem;
}

.cards--habilidades img {
    margin-top: .7rem;
    width: 9rem;
}

.cards--habilidades p {
    color: var(--white);
    font-family: 'Cooper Hewitt';
    letter-spacing: .1rem;
    font-size: 1.4rem;
    margin-bottom: .7rem;
}

/* Formación */

.formacion {
    background-color: var(--eerie-black);
    width: 100%;
    height: auto;
}

.formacion h1 {
    display: block;
    text-align: center;
    color: var(--white);
    font-family: 'Cooper Hewitt';
    font-size: 2.4rem;
    letter-spacing: .1rem;
    padding: 6rem 0 5rem 0;
}

.cards_container--formacion {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0 2rem 3rem 2rem;
}

.cards--formacion {
    background-color: var(--jet);
    border-radius: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: 39rem;
    height: 38rem;
    margin: 0 1rem 2rem 1rem;
    padding: 2rem;
    justify-content: center;
    gap: 1.5rem;  /* <-- separa imagen y texto con espacio fijo */
}

.cards--formacion img {
    width: 16rem;     /* <-- AJUSTA: prueba 16rem / 18rem */
    height: auto;
    display: block;
    margin: 0 auto;   /* centra */
    object-fit: contain;
}


.container_texto--formacion {
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: .6rem;
}

img.logo-unal {
    width: 24rem;
}

img.logo-one {
    width: 21rem;
    margin: 7rem 0 6rem 0;
}

img.logo-sena {
    width: 18rem;
    margin: 2.4rem 0;
}

.cards--formacion p:nth-child(1) {
    color: var(--beaver);
    font-family: 'Cooper Hewitt';
    letter-spacing: .1rem;
    font-size: 1.8rem;
    font-weight: bold;
    margin-bottom: .7rem;
}

.cards--formacion p:nth-child(2) {
    color: var(--light-grey);
    font-family: 'Cooper Hewitt';
    letter-spacing: .1rem;
    font-size: 1.4rem;
}

/* Proyectos */

.proyectos {
    width: 100%;
    height: auto;
    position: relative;
    overflow: hidden;

    /* Se queda tu aire */
    padding: 6rem 1rem 7rem 1rem;
    min-height: 70vh;

    /* Base por si la imagen tarda */
    background-color: var(--jet);
}

.proyectos::before {
    content: "";
    position: absolute;
    inset: 0;

    /* Degradado + imagen para un look más premium */
    background:
      linear-gradient(
        180deg,
        rgba(255, 255, 255, 0.637) 0%,
        rgba(255, 255, 255, 0.582) 45%,
        rgba(255, 255, 255, 0.678) 100%
      ),
      url("../assets/images/bg-servicios-operativos.png");

    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;

    z-index: 0;
}


.proyectos h1{
    display: block;
    text-align: center;
    font-family: 'Cooper Hewitt';
    font-size: 2.4rem;
    letter-spacing: .1rem;

    /* ✅ Aquí está la clave: que contraste con el fondo claro */
    color: #111;
    text-shadow: 0 2px 10px rgba(255,255,255,.75);

    /* ✅ Evitamos que el h1 “empuje” demasiado (ya tienes padding en .proyectos) */
    padding: 0 0 3rem 0;
    margin: 0;

    position: relative;
    z-index: 2;
}


.puntos1-proyectos,
.puntos2-proyectos {
    display: none;
}

.cards_container--proyectos {
    margin-bottom: 5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.cards--proyectos {
    border-radius: 20px;
    padding-bottom: 2rem;
    background-color: var(--eerie-black);
    min-width: 33rem;
    max-width: 38rem;
    box-shadow: 0 10px 16px -6px rgb(5 5 5 / 30%), 0 25px 10px -24px rgb(5 5 5 / 10%);
}

.card_JuegoAhorcado {
    margin-bottom: 4rem;
}

.card_portafolio {
    margin-bottom: 4rem;
    border: 1px solid var(--eerie-black);
}

.container_imgCard--proyectos {
    margin-bottom: 1rem;
    border-radius: 20px 20px 0 0;
}

.container_imgCard--proyectos img {
    width: 100%;
    border-radius: 20px 20px 0 0;
}

.container_textCard--proyectos {
    padding: 0 2rem;
    margin-bottom: 2rem;
}

.container_textCard--proyectos h2 {
    font-family: 'Cooper Hewitt';
    letter-spacing: .1rem;
    font-size: 1.8rem;
    color: var(--white);
    font-weight: bold;
    display: inline;
}

.container_textCard--proyectos p {
    color: var(--white);
    font-family: 'Cooper Hewitt';
    letter-spacing: .1rem;
    font-size: 1.4rem;
    margin-top: 1rem;
}

.container_btn--proyectos {
    display: flex;
    justify-content: center;
}

.container_btn--proyectos a{
    text-decoration: none;
    display: inline-block;
    margin: 0 1.5rem;
}

.container_btn--proyectos button {
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 15.8rem;
    letter-spacing: .1rem;
    font-weight: bold;
    cursor: pointer;
}

.btn_demo {
    padding: .9rem 0;
    border: none;
    background-color: var(--beaver);
    color: var(--eerie-black);
}

.btn_repo {
    padding: .8rem 0;
    background: none;
    color: var(--beaver);
    border: 1px solid var(--beaver);
}

.btn_demo img {
    width: 2rem;
    margin-right: .8rem;
}

.container_btn--proyectos .btn_demo:hover {
    background: #776254;
    box-shadow: 0px 13px 33px -14px rgba(0,0,0,0.75);
    transition: all .4s ease;
}

.btn_repo img {
    width: 2rem;
    margin-right: .8rem;
}

.container_btn--proyectos .btn_repo:hover {
    background: var(--black);
    box-shadow: 0px 13px 33px -14px rgba(0,0,0,0.75);
    transition: all .4s ease;
}

/* Contacto */

.contacto {
    background-color: var(--eerie-black);
    width: 100%;
    height: auto;
    padding: 0 2rem 5rem 2rem;
}

.contacto h1 {
    display: block;
    text-align: center;
    color: var(--white);
    font-family: 'Cooper Hewitt';
    font-size: 2.4rem;
    letter-spacing: .1rem;
    padding: 6rem 0 4rem 0;
}

.container_img--contacto {
    display: none;
}

.container--contacto {
    width: 100%;
    background-color: var(--beaver);
    border-radius: 24px;
    padding: 3rem;
    position: relative;
}

.container_text--contacto {
    width: 100%;
}

.container_text--contacto p {
    font-size: 1.6rem;
    font-family: 'Cooper Hewitt';
    color: var(--white);
    margin-bottom: 3rem;
    letter-spacing: 1px;
    line-height: 2.3rem;
}

.form-contact input {
    font-family: 'Cooper Hewitt';
    background: transparent;
    border: 1px solid var(--light-grey);
    width: 100%;
    padding: 1rem;
    border-radius: 1rem;
    color: var(--white);
    font-size: 1.6rem;
    outline: none;
    margin-bottom: 2rem;
    letter-spacing: 1px;
}

.form-contact input::placeholder {
    color: var(--light-grey);
}

.form-contact .input-invalid {
    border: 1px solid #574438;
    color: #574438;
}

.form-contact textarea {
    background: transparent;
    border: 1px solid var(--light-grey);
    font-family: 'Cooper Hewitt';
    width: 100%;
    padding: 1rem;
    border-radius: 1rem;
    color: var(--white);
    font-size: 1.6rem;
    outline: none;
    margin-bottom: 3rem;
    letter-spacing: 1px;
    resize: none;
}

.form-contact textarea::placeholder {
    color: var(--light-grey);
}

.form-contact textarea::-webkit-scrollbar {
    width: 8px;
}

.form-contact textarea::-webkit-scrollbar-track {
    background-color: #776254;
}


.form-contact textarea::-webkit-scrollbar-thumb {
    background-color: #574438;
}


.btn_form--contacto {
    display: flex;
    justify-content: center;
}

.btn_form--contacto button {
    background: #776254;
    border: none;
    font-family: 'Cooper Hewitt';
    width: 20rem;
    padding: .8rem 1rem;
    border-radius: 1rem;
    color: var(--white);
    font-size: 1.8rem;
    letter-spacing: 1px;
    cursor: pointer;
    transition: 1s all;
}

.btn_form--contacto button:hover {
    background: #776254;
    color: var(--black);
    font-weight: bold;
    transform: scale(1.1);
    box-shadow: 0px 9px 15px -1px rgba(0,0,0,0.20);
    transition: all .4s ease;
}

.btn_form--contacto button:active {
    background: #574438;
}

/* ==========================
   Cierre visual - Contacto
   (NO modifica lo anterior)
   ========================== */

.contacto-cierre{
    width: 100%;
    display: flex;
    justify-content: center;
    padding: 3rem 0 1.5rem 0; /* separa del final */
    background-color: var(--eerie-black); /* para que no se corte con tu sección */
}

.contacto-linea{
    width: min(820px, 86%);
    height: 56px;
    border-radius: 999px;
    position: relative;
    overflow: hidden;

    /* sutil y coherente con tu paleta */
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow: 0 10px 22px -18px rgba(0,0,0,0.55);
}

/* Barrido tipo “flujo de mensaje” */
.contacto-linea::before{
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(151, 121, 104, 0.18) 40%,
        rgba(151, 121, 104, 0.30) 50%,
        rgba(151, 121, 104, 0.18) 60%,
        transparent 100%
    );
    transform: translateX(-120%);
    animation: contactoBarrido 3.6s ease-in-out infinite;
}

/* puntitos suaves (como “señal”) */
.contacto-linea::after{
    content: "";
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(151, 121, 104, 0.30) 1px, transparent 1px);
    background-size: 18px 18px;
    opacity: 0.35;
    mask-image: linear-gradient(90deg, transparent, #000 18%, #000 82%, transparent);
}

@keyframes contactoBarrido{
    0%   { transform: translateX(-120%); opacity: 0; }
    15%  { opacity: 1; }
    50%  { transform: translateX(0%); }
    85%  { opacity: 1; }
    100% { transform: translateX(120%); opacity: 0; }
}

@media (prefers-reduced-motion: reduce){
    .contacto-linea::before{
        animation: none;
        transform: none;
        opacity: 0.6;
    }
}

.contacto-linea{
  background: rgba(0,0,0,0.28);              /* oscurece la franja */
  border: 1px solid rgba(255,255,255,0.12);  /* un poquito más visible */
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

/* Asegura capas: el texto arriba */
.contacto-linea::before{ z-index: 1; }
.contacto-linea::after{ z-index: 0; opacity: 0.25; }

.contacto-linea__content{
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 0 18px;
  text-align: center;
  color: rgba(255,255,255,0.88);
  font-family: 'Cooper Hewitt';
  letter-spacing: .06rem;
  font-size: 1.35rem;
}

.contacto-linea__content i{
  animation: vueloSuave 2.8s ease-in-out infinite;
}

@keyframes vueloSuave{
  0%,100% { transform: translateX(0); }
  50% { transform: translateX(6px); }
}


/* Footer */

footer {
    background-color: var(--eerie-black);
}

.contianer--footer {
    border-top: 1px solid var(--jet);
    width: 90%;
    margin: 0 auto;
    padding-top: 4rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.container_redes-footer a {
    text-decoration: none;
}

.container_redes-footer img {
    width: 3.5rem;
    margin: 0 .5rem 1.5rem .5rem;
}

.container_redes-footer .icon_codepen--footer {
    width: 3.1rem;
    margin-bottom: 1.7rem;
}

.container_text--footer {
    padding-bottom: 1rem;
}

.container_text--footer span {
    font-family: 'Cooper Hewitt';
    font-size: 1.2rem;
    letter-spacing: 1px;
}

.container_text--footer span:nth-child(1),
.container_text--footer span:nth-child(3) {
    color: var(--light-grey);
}

.container_text--footer img {
    width: 1.2rem;
    margin: 0 .2rem;
}

.container_text--footer span:nth-child(4) {
    color: var(--beaver);
    letter-spacing: .1rem;
    margin-left: .2rem;
}

/* Botón ir arriba */

.go-top-container {
    position: fixed;
    bottom: 1rem;
    right: 1rem;
    width: 6rem;
    height: 6rem;
    z-index: -1;
}

.go-top-button {
    width: 0rem;
    height: 0rem;
    background: rgba(167, 137, 118, 1);
    box-shadow: 0px 6px 22px -6px rgba(0,0,0,0.75);
    border-radius: 50%;
    cursor: pointer;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: -1;
    transition: .2s;
}

.go-top-button i {
    position: absolute;
    font-size: 1.7rem;
    top: 48%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    color: var(--white);
    transition: .2s;
}

.show {
    z-index: 10;
}

.show .go-top-button {
    animation: popup .3s ease-in-out;
    width: 6rem;
    height: 6rem;
    z-index: 11;
}

.show i {
    transform: translate(-50%, -50%) scale(1);
}

@keyframes popup {
    0% {
        width: 0;
        height: 0;
    }
    50% {
        width: 7rem;
        height: 7rem;
    }
    100% {
        width: 6rem;
        height: 6rem;
    }
}
.cards--habilidades, 
.cards--proyectos, 
.cards--formacion,
.container--contacto {
    border: 1px solid #d1d1d1; /* Borde sutil para definir la tarjeta */
    box-shadow: 0 10px 20px rgba(0,0,0,0.08); /* Sombra más suave y elegante */
}
.links {
    display: none !important;
}

/* ================================
   ÁREAS DE ESPECIALIZACIÓN
   (Ajuste de tamaño de iconos y texto)
================================ */

/* contenedor de las 3 cards */
.cards_container--formacion {
    display: flex;
    justify-content: center;
    align-items: stretch;
    gap: 3rem;
}

/* las cards de especialización */
.cards--formacion {
    justify-content: flex-start;   /* evita que el texto se vaya abajo */
    gap: 2rem;
    padding-top: 4rem;
}

/* contenedor de imagen dentro de la card */
.cards--formacion img {
    width: 22rem;      /* 🔥 aquí creces el icono (prueba 18-22rem) */
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
    object-fit: contain;
}

/* ===== Contacto directo (reemplaza el formulario sin afectar lo demás) ===== */

.contacto_directo{
    width: 100%;
}

.contacto_texto{
    font-size: 1.6rem;
    font-family: 'Cooper Hewitt';
    color: var(--white);
    margin-bottom: 2rem;
    letter-spacing: 1px;
    line-height: 2.3rem;
}

.contacto_items{
    display: flex;
    flex-direction: column;
    gap: 1.4rem;
}

.contacto_item{
    text-decoration: none;
    background: rgba(255,255,255,0.18);
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: 1.4rem;
    padding: 1.4rem 1.6rem;
    display: flex;
    flex-direction: column;
    gap: .4rem;
    transition: .25s ease;
}

.contacto_item:hover{
    transform: translateY(-2px);
    background: rgba(255,255,255,0.25);
}

.contacto_label{
    font-family: 'Cooper Hewitt';
    font-size: 1.3rem;
    color: var(--white);
    opacity: .9;
    letter-spacing: .08rem;
    text-transform: uppercase;
}

.contacto_value{
    font-family: 'Cooper Hewitt';
    font-size: 1.8rem;
    color: var(--white);
    letter-spacing: .04rem;
}

.contacto_value .ext{
    font-size: 1.5rem;
    opacity: .9;
}