/* http://meyerweb.com/eric/tools/css/reset/ 
   v2.0 | 20110126
   License: none (public domain)
*/

html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed, 
figure, figcaption, footer, header, hgroup, 
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
	margin: 0;
	padding: 0;
	border: 0;
	font-size: 100%;
	font: inherit;
	vertical-align: baseline;
}
/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure, 
footer, header, hgroup, menu, nav, section {
	display: block;
}
body {
	line-height: 1;
}
ol, ul {
	list-style: none;
}
blockquote, q {
	quotes: none;
}
blockquote:before, blockquote:after,
q:before, q:after {
	content: '';
	content: none;
}
table {
	border-collapse: collapse;
	border-spacing: 0;
}

/*Estilos Personalizados*/

/* ==============================
   TIPOGRAFÍA GLOBAL
============================== */

body{
    font-family: "Roboto", sans-serif;
    line-height: 1.5;
    background-color: #1A1A1A;
}

/* ==============================
   TÍTULOS + ELEMENTOS DESTACADOS
============================== */

h1,
h2,
h3,
h4,
h5,
h6,
.navbar-brand,
.nav-link,
.card-title{
    font-family: "Black Ops One", system-ui;
    font-weight: 400;
    font-style: normal;
    color: #E2711D;
}

/* ==============================
   TEXTO SECUNDARIO
============================== */

p,
li,
span,
a,
.card-text{
    font-family: "Roboto", sans-serif;
    color: #F5F5F5;
}

/*Navbar Zone*/
.navbar{
    background-color: #121212;
    opacity: 0.9;
}

.navbar-brand img{
    width: 10rem;
    filter: sepia(1);
    transition: opacity 0.3s ease-in-out,
                filter 0.5s ease-in-out;
}

.navbar-brand img:hover{
    filter: sepia(0);
}

.nav-link{
    color: #F5F5F5;
    position: relative;
    transition: color 0.3s ease-in-out;
}

/*Mobile*/
@media (max-width: 991px){
    .navbar-nav{
        width: 100%;
    }

    .nav-item{
        width: 100%;
    }

    .nav-link{
        display: block;
        width: 100%;
        padding: 12px 0;
    }
}


/* Línea base (oculta) */
.nav-link::after{
    content: "";
    position: absolute;
    left: 0;
    bottom: -6px;

    width: 100%;
    height: 3px;

    background-color: #E2711D;
    border-radius: 10px;

    transform: scaleX(0);
    transform-origin: left;

    transition: transform 0.3s ease-in-out;
}

/* Hover */
.nav-link:hover{
    color: #E2711D;
}

.nav-link:hover::after{
    transform: scaleX(1);
}

a.nav-link{
    text-align: center;
}

/*Hero Section*/

.hero-section{
    position: relative;
    min-height: 70vh;

    /* Imagen como fondo */
    background: url("../img/hero-image.jpg") center/cover no-repeat;

    display: flex;
    align-items: center;
    justify-content: center;
}

/* Oscurecer imagen para que el texto se lea bien */
.hero-section::before{
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.747);
}

/* Contenido encima del overlay */
.hero-content{
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 20px;
}

/* Tipografía del hero */

.hero-content p{
    font-size: 1.2rem;
}

/* Conóceme Section */
.img-perfil{
    transition: 
        transform 0.3s ease,
        filter 0.3s ease;
}

@media (prefers-reduced-motion: no-preference){

    .img-perfil:hover,
    .img-perfil:focus-visible{
        transform: scale(1.02);
        filter: brightness(1.2);
    }
}

/* ==============================
   SKILL CARDS
============================== */

/* Hover base */
.skill-card:hover,
.skill-card:focus-visible{
    box-shadow: 0 25px 30px rgba(0, 0, 0, 0.3);
    filter: brightness(1.1);
}

/* Animación motion safe */
@media (prefers-reduced-motion: no-preference){
    .skill-card:hover,
    .skill-card:focus-visible{
        transform: scale(1.08) translateY(-12px);
    }
}

/* Íconos */
.skill-card img{
    width: 60px;
    height: 60px;
    object-fit: contain;
    margin-bottom: 10px;
}

.skill-card{
    height: 100%; 
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center; 

    transition: 
        transform 0.4s ease,
        box-shadow 0.4s ease,
        filter 0.4s ease;

    background-color: #1A1A1A;
    border: 1px solid #3A3A3A;
    border-radius: 12px;
}

.skill-card h3{
    margin-top: 10px;
}

.skill-card p{
    margin-bottom: 0;
}

/* ====================
   PROYECTOS
==================== */

.project-card{
    height: 100%;

    display: flex;
    flex-direction: column;

    background-color: #1A1A1A;

    border: 1px solid #3A3A3A;
    border-radius: 16px;

    overflow: hidden;

    text-align: center;

    transition:
        transform .3s ease,
        box-shadow .3s ease,
        filter .3s ease;
}

.project-card:hover{
    box-shadow: 0 0 30px rgba(0,0,0,.3);
    filter: brightness(1.1);
}

@media (prefers-reduced-motion: no-preference){

    .project-card:hover{
        transform: scale(1.02);
    }

}

.project-img{
    width: 100%;
    height: 320px;
    object-fit: cover;
}

.project-content{
    flex: 1;

    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;

    gap: 1rem;

    padding: 2rem;
}

.project-content p{
    flex-grow: 1;
}

/* ====================
   BOTONES
==================== */

.btn-project{
    background-color: #E2711D;
    color: #fff;

    padding: .8rem 1.5rem;

    border-radius: .5rem;

    text-decoration: none;

    position: relative;
    overflow: hidden;

    transition:
        box-shadow .8s ease,
        background-color .3s ease;
}

.btn-project:hover{
    box-shadow: 0 5px 10px rgba(0,0,0,.3);
}

@keyframes hover-shine {

    from{
        transform: translateX(-120%) skewX(-20deg);
    }

    to{
        transform: translateX(220%) skewX(-20deg);
    }

}

.btn-project::before{
    content: "";

    position: absolute;
    inset: 0;

    background: linear-gradient(
        120deg,
        transparent 30%,
        rgba(255,255,255,.6) 50%,
        transparent 70%
    );

    transform: translateX(-120%) skewX(-20deg);

    pointer-events: none;
}

@media (prefers-reduced-motion: no-preference){

    .btn-project:hover::before{
        animation: hover-shine .8s ease 1;
    }

}

/* ====================
   PROYECTO INCOMPLETO
==================== */

.disabled-project{
    filter: grayscale(1);
    opacity: .7;
}

.disabled-project:hover{
    transform: none;
}

.disabled-btn{
    background-color: #6c757d;
    cursor: not-allowed;
}

/*==============================
CONTACTO
==============================*/

.contact-card{

    position: relative;
    overflow: hidden;

    background-color: #1A1A1A;

    border: 1px solid #3A3A3A;
    border-radius: 16px;

    padding: 4rem 2rem;

    transition:
        transform .3s ease,
        box-shadow .3s ease;
}

.contact-card:hover{
    box-shadow: 0 0 30px rgba(0,0,0,.3);
}

@media (prefers-reduced-motion: no-preference){

    .contact-card:hover{
        transform: scale(1.02);
    }

}

@keyframes hover-shine {

    from{
        transform: translateX(-120%) skewX(-20deg);
    }

    to{
        transform: translateX(220%) skewX(-20deg);
    }

}

.contact-card::before{

    content: "";

    position: absolute;
    inset: 0;

    background: linear-gradient(
        120deg,
        transparent 30%,
        rgba(255,255,255,.15) 50%,
        transparent 70%
    );

    transform: translateX(-120%) skewX(-20deg);

    pointer-events: none;
}

@media (prefers-reduced-motion: no-preference){

    .contact-card:hover::before{
        animation: hover-shine .8s ease 1;
    }

}

.contact-logo{
    width: 180px;
    margin-bottom: 2rem;
}

.social-links{

    display: flex;
    justify-content: center;
    gap: 2rem;

    margin-top: 2rem;
}

.social-links a{

    color: #F5F5F5;

    font-size: 2rem;

    transition:
        color .3s ease,
        transform .3s ease;
}

.social-links a:hover{

    color: #E2711D;
    transform: translateY(-6px);
}

.footer{

    background-color: #121212;
    border-top: 1px solid #3A3A3A;
}

.footer p{

    color: #BDBDBD;
    margin: 0;
}

/*Botón de regreso al inicio*/
.back-to-top{

    position: fixed;

    right: 2rem;
    bottom: 2rem;

    width: 60px;
    height: 60px;

    border-radius: 50%;

    background-color: #E2711D;
    color: #FFF;

    display: flex;
    justify-content: center;
    align-items: center;

    font-size: 1.5rem;

    text-decoration: none;

    box-shadow: 0 5px 15px rgba(0,0,0,.3);

    z-index: 999;

    transition:
        transform .3s ease,
        box-shadow .3s ease,
        filter .3s ease;
}

.back-to-top:hover{

    filter: brightness(1.15);

    box-shadow: 0 10px 20px rgba(0,0,0,.4);

}

@media (prefers-reduced-motion: no-preference){

    .back-to-top:hover{
        transform: translateY(-8px) scale(1.05);
    }

}

html{
    scroll-behavior: smooth;
}