/* =========================================================
   Dialéctica Consultores – style.css
   Diseño Moderno con Gradientes Dinámicos + Partículas
   ========================================================= */

/* ----------------------------- */
/* VARIABLES DE TEMA             */
/* ----------------------------- */
:root{
    --clr-primary: #006DFF;
    --clr-primary-dark: #0048B7;
    --clr-accent: #FF6F61;
    --clr-accent-dark: #C44F46;
    --clr-bg-light: #F9FAFC;
    --clr-bg-dark: #111827;
    --clr-text-dark: #222222;
    --clr-text-light: #FFFFFF;

    --grad-main: linear-gradient(135deg, #006DFF 0%, #4A00E0 100%);
    --grad-alt: linear-gradient(135deg, #FF6F61 0%, #FF9068 100%);
    --grad-subtle: linear-gradient(135deg, rgba(0,109,255,0.15) 0%, rgba(255,111,97,0.15) 100%);

    --transition-fast: 0.25s ease-in-out;
    --transition-med: 0.4s ease-in-out;
    --shadow-soft: 0 4px 12px rgba(0,0,0,0.15);
    --radius: 8px;
}

/* ----------------------------- */
/* BASE                          */
/* ----------------------------- */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
    margin:0;
    font-family:'Roboto',sans-serif;
    color:var(--clr-text-dark);
    background-color:#ffffff;
    line-height:1.6;
}
h1,h2,h3,h4,h5,h6{
    font-family:'Archivo Black',sans-serif;
    margin:0 0 .6em;
    color:var(--clr-text-dark);
    text-shadow:1px 1px 3px rgba(0,0,0,.1);
    text-align:center;
}
p{margin:0 0 1.2em;}
img{max-width:100%;display:block;}
a{color:var(--clr-primary);text-decoration:none;transition:color var(--transition-fast);}
a:hover{color:var(--clr-accent-dark);}
.section-title{font-size:2.2rem;margin-bottom:1.4rem;position:relative;}
.container{
    width:90%;
    max-width:1200px;
    margin:0 auto;
}

/* ----------------------------- */
/* LAYOUT                        */
/* ----------------------------- */
header.header{
    position:fixed;
    top:0;left:0;right:0;
    background:var(--grad-main);
    z-index:1000;
    box-shadow:var(--shadow-soft);
}
header .container{display:flex;align-items:center;justify-content:space-between;padding:.8rem 0;}
.logo a{font-family:'Archivo Black',sans-serif;font-size:1.4rem;color:#fff;}
.nav ul{display:flex;gap:1.2rem;list-style:none;margin:0;padding:0;}
.nav a{color:#fff;font-weight:500;position:relative;}
.nav a::after{
    content:'';position:absolute;left:0;bottom:-3px;width:0;height:2px;background:#fff;transition:width var(--transition-fast);
}
.nav a:hover::after{width:100%;}
/* Burger */
.burger{display:none;background:none;border:none;cursor:pointer;flex-direction:column;gap:4px;}
.burger span{width:24px;height:3px;background:#fff;border-radius:2px;transition:all var(--transition-fast);}
.burger.toggle span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.burger.toggle span:nth-child(2){opacity:0;}
.burger.toggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ----------------------------- */
/* HERO                          */
/* ----------------------------- */
.hero{
    position:relative;
    padding:160px 0 120px; /* espacio para header fijo */
    color:var(--clr-text-light);
    text-align:center;
    background:var(--grad-main);
    overflow:hidden;
}
.hero-overlay{
    position:absolute;top:0;left:0;width:100%;height:100%;
    background:linear-gradient(rgba(0,0,0,0.5),rgba(0,0,0,0.5));
    z-index:1;
}
.hero > .container{position:relative;z-index:2;}
.hero h1{font-size:2.8rem;}
.hero .btn-primary{margin-top:1.4rem;}

/* Partículas */
.hero::before,.section-gradient::before{
    content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;
    background-image:radial-gradient(rgba(255,255,255,0.15) 1px, transparent 1px);
    background-size:20px 20px;
    animation:moveParticles 40s linear infinite;
    z-index:0;
}
@keyframes moveParticles{
    0%{transform:translate(0,0);}
    100%{transform:translate(50%,50%);}
}

/* ----------------------------- */
/* SECCIONES GENERALES           */
/* ----------------------------- */
.section-light{padding:80px 0;background:var(--clr-bg-light);}
.section-gradient{
    padding:80px 0;
    position:relative;
    background:var(--grad-subtle);
    overflow:hidden;
}
.parallax{
    background-attachment:fixed;
    background-size:cover;
    background-repeat:no-repeat;
    color:var(--clr-text-light);
}

/* ----------------------------- */
/* STATS WIDGET                  */
/* ----------------------------- */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:40px;margin-top:2rem;text-align:center;}
.stat-number{font-family:'Archivo Black',sans-serif;font-size:2.4rem;color:var(--clr-primary);}
.stat-label{font-weight:500;color:var(--clr-text-dark);}

/* ----------------------------- */
/* TIMELINE                      */
/* ----------------------------- */
.timeline{list-style:none;padding:0;margin:2rem 0;border-left:4px solid var(--clr-primary);}
.timeline li{padding-left:1.2rem;margin-bottom:1.4rem;position:relative;}
.timeline li::before{
    content:'';width:14px;height:14px;border-radius:50%;background:var(--clr-accent);position:absolute;left:-9px;top:3px;
}
.timeline-date{font-weight:700;color:var(--clr-primary-dark);}
.timeline-desc{margin:.3rem 0 0 0;}

/* ----------------------------- */
/* CARDS                         */
/* ----------------------------- */
.card{
    background:#fff;
    border-radius:var(--radius);
    box-shadow:var(--shadow-soft);
    padding:1rem;
    transition:transform var(--transition-fast),box-shadow var(--transition-fast);
    display:flex;flex-direction:column;align-items:center;text-align:center;
}
.card:hover{transform:translateY(-6px);box-shadow:0 6px 20px rgba(0,0,0,.2);}
.card-image{width:100%;height:250px;overflow:hidden;border-radius:var(--radius);}
.card-image img{width:100%;height:100%;object-fit:cover;}
.card-content{padding:.8rem .4rem;flex:1;display:flex;flex-direction:column;justify-content:center;}
.media-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:30px;}

/* ----------------------------- */
/* BOTONES Y ENLACES             */
/* ----------------------------- */
.btn,.btn-primary,button,input[type='submit']{
    display:inline-block;
    padding:.8rem 1.8rem;
    font-weight:600;
    border:none;
    border-radius:var(--radius);
    cursor:pointer;
    transition:background var(--transition-fast),transform var(--transition-fast);
    background:var(--grad-alt);
    color:var(--clr-text-light);
    text-shadow:1px 1px 2px rgba(0,0,0,.2);
}
.btn:hover,.btn-primary:hover,button:hover,input[type='submit']:hover{transform:translateY(-2px);background:var(--clr-accent-dark);}
.btn:active{transform:translateY(0);}
.btn:focus{outline:2px solid var(--clr-primary);outline-offset:2px;}

/* Enlaces 'Leer más' */
.read-more{
    display:inline-block;
    font-weight:600;
    color:var(--clr-accent);
    position:relative;
}
.read-more::after{
    content:'→';
    margin-left:6px;
    transition:transform var(--transition-fast);
}
.read-more:hover::after{transform:translateX(3px);}

/* ----------------------------- */
/* FORMULARIOS                   */
/* ----------------------------- */
.contact-form{max-width:700px;margin:0 auto;}
.form-group{margin-bottom:1.4rem;display:flex;flex-direction:column;}
label{margin-bottom:.4rem;font-weight:500;}
input,textarea{
    padding:.8rem;
    border:2px solid rgba(0,0,0,.1);
    border-radius:var(--radius);
    font-family:inherit;
    transition:border-color var(--transition-fast),box-shadow var(--transition-fast);
}
input:focus,textarea:focus{outline:none;border-color:var(--clr-primary);box-shadow:0 0 0 3px rgba(0,109,255,.2);}
textarea{resize:vertical;}

/* ----------------------------- */
/* NAVEGACIÓN RESPONSIVE         */
/* ----------------------------- */
@media (max-width:992px){
    .nav{position:fixed;top:0;right:-100%;width:260px;height:100%;background:var(--grad-main);flex-direction:column;padding-top:80px;transition:right var(--transition-med);}
    .nav ul{flex-direction:column;gap:1.6rem;text-align:left;padding-left:1.6rem;}
    .nav.nav-active{right:0;}
    .burger{display:flex;}
}

/* ----------------------------- */
/* FOOTER                        */
/* ----------------------------- */
.footer{
    background:var(--clr-bg-dark);
    color:var(--clr-text-light);
    padding:60px 0 20px;
}
.footer-cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:40px;margin-bottom:40px;}
.footer-col h3{color:var(--clr-text-light);margin-bottom:1rem;}
.footer a{color:#bbb;transition:color var(--transition-fast);}
.footer a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{text-align:center;font-size:.9rem;color:#777;}

/* Social Links – estilo texto */
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{margin-bottom:.4rem;}

/* ----------------------------- */
/* UTILS                         */
/* ----------------------------- */
.text-center{text-align:center;}
.mt-2{margin-top:2rem;}
.pt-100{padding-top:100px;}
.hide{display:none !important;}

/* ----------------------------- */
/* SUCCESS PAGE                  */
/* ----------------------------- */
.success-page{
    min-height:100vh;
    display:flex;
    justify-content:center;
    align-items:center;
    background:var(--grad-main);
    color:var(--clr-text-light);
    text-align:center;
}

/* ----------------------------- */
/* PRIVACY & TERMS               */
/* ----------------------------- */
.legal-page{padding-top:100px;padding-bottom:60px;max-width:900px;margin:0 auto;}

/* ----------------------------- */
/* BACKGROUND HELPERS            */
/* ----------------------------- */
.bg-cover{background-size:cover;background-repeat:no-repeat;background-position:center;}
.bg-dark-overlay{
    position:relative;
}
.bg-dark-overlay::before{
    content:'';position:absolute;top:0;left:0;width:100%;height:100%;
    background:linear-gradient(rgba(0,0,0,.6),rgba(0,0,0,.6));
    z-index:0;
}
.bg-dark-overlay > *{position:relative;z-index:1;}

/* ----------------------------- */
/* ANIMACIONES UTILES            */
/* ----------------------------- */
.fade-up{
    animation:fadeUp .6s ease-out;
}
@keyframes fadeUp{
    from{opacity:0;transform:translateY(20px);}
    to{opacity:1;transform:translateY(0);}
}

/* ----------------------------- */
/* GLASSMORPHISM CARDS OPTIONAL  */
/* ----------------------------- */
.glass{
    background:rgba(255,255,255,0.15);
    backdrop-filter:blur(10px);
    border:1px solid rgba(255,255,255,0.2);
}

/* ----------------------------- */
/* ACCESIBILIDAD                 */
/* ----------------------------- */
:focus-visible{outline:3px solid var(--clr-accent);outline-offset:2px;}

/* ----------------------------- */
/* FIN                           */
/* ----------------------------- */