/* ==============================
   Design System : Modern Pastel
   ============================== */

/* -------- Variables ---------- */
:root{
    /* Typography */
    --font-heading:'Oswald',sans-serif;
    --font-body:'Nunito',sans-serif;

    /* Palette – Pastel + Contrast */
    --clr-primary:#A2D2FF;     /* azul pastel */
    --clr-primary-dk:#6FB5FF;  /* darker */
    --clr-secondary:#FFC8DD;   /* rosa pastel */
    --clr-secondary-dk:#FFA0C5;
    --clr-accent:#FFAFCC;      /* coral claro */
    --clr-bg:#F7F9FC;
    --clr-bg-card:#FFFFFF;
    --clr-text-dark:#222222;
    --clr-text-light:#FFFFFF;

    /* Elevation & Radius */
    --radius:12px;
    --shadow:0 10px 25px rgba(0,0,0,.08),
             0 6px 10px rgba(0,0,0,.04);

    /* Transitions */
    --transition:all .35s ease;

    /* 3D Hover Perspective */
    --perspective:800px;
}

/* -------- Base --------------- */
*,
*::before,
*::after{box-sizing:border-box;margin:0;padding:0}

html{scroll-behavior:smooth}

body{
    font-family:var(--font-body);
    color:var(--clr-text-dark);
    background:var(--clr-bg);
    line-height:1.6;
}

h1,h2,h3,h4,h5,h6{
    font-family:var(--font-heading);
    color:var(--clr-text-dark);
    margin-bottom:.5em;
    text-align:center;
    text-shadow:1px 1px 3px rgba(0,0,0,.15);
}

p{margin-bottom:1em}

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

/* Utilities */
.container{width:90%;max-width:1100px;margin:0 auto}
.section{padding:4rem 0}
.pastel-bg{background:linear-gradient(145deg,var(--clr-primary)10%,var(--clr-secondary)100%);background-size:400% 400%}
.lead{font-size:1.125rem;font-weight:600}
.is-two-thirds{width:66%;margin:0 auto}

/* -------- Navigation --------- */
.site-header{
    width:100%;
    position:fixed;
    top:0;left:0;
    background:var(--clr-bg);
    box-shadow:0 4px 12px rgba(0,0,0,.04);
    z-index:1000;
}
.site-header .container{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:.75rem 0;
}
.logo{font-family:var(--font-heading);font-size:1.5rem;color:var(--clr-text-dark);text-decoration:none}
#menu{list-style:none;display:flex;gap:1.5rem}
#menu a{color:var(--clr-text-dark);text-decoration:none;font-weight:600;transition:color .2s}
#menu a:hover{color:var(--clr-primary-dk)}
#burger{
    display:none;
    background:none;border:none;font-size:2rem;color:var(--clr-text-dark);cursor:pointer
}

/* Mobile Nav */
@media(max-width:768px){
    #burger{display:block}
    #menu{position:absolute;top:100%;right:0;background:var(--clr-bg);flex-direction:column;width:220px;padding:1rem;transform:translateY(-150%);transition:var(--transition);box-shadow:var(--shadow)}
    #menu.open{transform:translateY(0)}
}

/* -------- Hero --------------- */
.hero{
    position:relative;
    color:var(--clr-text-light);
    text-align:center;
    background-size:cover;
    background-repeat:no-repeat;
    background-position:center;
    background-attachment:fixed;
    padding:7rem 0 6rem;
}
.hero-title{font-size:2.75rem;letter-spacing:-.5px}
.hero-sub{font-size:1.25rem;margin:1rem auto 2rem;max-width:700px}
@media(min-width:992px){
    .hero-title{font-size:3.5rem}
}

/* -------- Buttons ------------ */
.btn,
button,
input[type='submit']{
    display:inline-block;
    font-family:var(--font-heading);
    padding:.9rem 2.1rem;
    border-radius:var(--radius);
    border:none;
    cursor:pointer;
    background:var(--clr-primary);
    color:var(--clr-text-light);
    box-shadow:var(--shadow);
    transform:translateZ(0);
    transition:var(--transition);
}
.btn-primary{background:var(--clr-primary)}
.btn-secondary{background:var(--clr-secondary);color:var(--clr-text-dark)}
.btn:hover,
button:hover,
input[type='submit']:hover{
    transform:translateY(-4px) scale(1.03);
    box-shadow:0 14px 28px rgba(0,0,0,.15);
}

/* -------- Cards -------------- */
.card-grid{display:grid;gap:2rem;margin-top:2rem}
@media(min-width:700px){.card-grid{grid-template-columns:repeat(3,1fr)}}

.card{
    background:var(--clr-bg-card);
    border-radius:var(--radius);
    box-shadow:var(--shadow);
    overflow:hidden;
    display:flex;
    flex-direction:column;
    align-items:center;
    text-align:center;
    perspective:var(--perspective);
    transition:var(--transition);
}
.card:hover{transform:rotateX(4deg) rotateY(-4deg) scale(1.02)}

.card-image{
    width:100%;
    height:260px;
    overflow:hidden;
    display:flex;
    align-items:center;
    justify-content:center;
}
.card-image img{
    width:100%;
    height:100%;
    object-fit:cover;
    margin:0 auto;
}

.card-content{padding:1.5rem}

/* -------- Slider ------------- */
.slider{position:relative;overflow:hidden}
.slide{display:none;text-align:center}
.slide:first-child{display:block}
.slide img{width:100%;height:500px;object-fit:cover;border-radius:var(--radius)}
.caption{background:rgba(0,0,0,.55);color:#fff;padding:.5rem 1rem;position:absolute;bottom:1rem;left:50%;transform:translateX(-50%);border-radius:var(--radius)}

/* -------- External Links ----- */
.external-links{list-style:none;margin-top:1.25rem}
.external-links li{margin-bottom:.75rem}
.external-links a{color:var(--clr-primary-dk);font-weight:600;text-decoration:none;position:relative}
.external-links a::after{
    content:'→';margin-left:.4rem;transition:margin-left .25s ease;
}
.external-links a:hover::after{margin-left:.65rem}

/* -------- Forms -------------- */
form{max-width:640px;margin:0 auto}
.form-group{margin-bottom:1.25rem;display:flex;flex-direction:column}
label{margin-bottom:.5rem;font-weight:700}
input,textarea{
    padding:.85rem 1rem;
    border:2px solid var(--clr-primary);
    border-radius:var(--radius);
    font-family:var(--font-body);
    font-size:1rem;
    transition:border-color .25s ease;
}
input:focus,textarea:focus{outline:none;border-color:var(--clr-secondary-dk)}

/* -------- Footer ------------- */
.site-footer{background:var(--clr-primary);color:var(--clr-text-light);padding:3.5rem 0 2rem;margin-top:4rem}
.footer-grid{display:grid;gap:2rem}
@media(min-width:700px){.footer-grid{grid-template-columns:repeat(4,1fr)}}
.footer-title{margin-bottom:.75rem;font-size:1.5rem;color:#fff}
.site-footer ul{list-style:none}
.site-footer a{color:#fff;text-decoration:none;transition:opacity .25s}
.site-footer a:hover{opacity:.8;text-decoration:underline}
.social-icon{font-weight:700}

/* Copyright */
copyright, .copyright{margin-top:2rem;text-align:center;font-size:.875rem;color:#e8f5ff}

/* -------- Success Page -------- */
.success-page{
    min-height:100vh;
    display:flex;
    align-items:center;
    justify-content:center;
    text-align:center;
    padding:2rem;
}

/* -------- Legal Pages -------- */
.legal-page{padding-top:100px}

/* -------- Contact Section ----- */
#contacto{background:var(--clr-secondary);color:var(--clr-text-dark)}
#contacto h2{color:var(--clr-text-dark)}

/* -------- Careers ------------- */
#careers .btn-secondary{margin-top:1.5rem}

/* -------- 3D Parallax --------- */
[data-sr]{will-change:transform,opacity;backface-visibility:hidden}

/* -------- Read More Links ----- */
.read-more{
    color:var(--clr-secondary-dk);
    font-weight:600;
    text-decoration:none;
    position:relative;
}
.read-more::after{
    content:'';
    position:absolute;
    bottom:-2px;left:0;
    width:100%;height:2px;
    background:var(--clr-secondary-dk);
    transform:scaleX(0);
    transform-origin:left;
    transition:transform .3s;
}
.read-more:hover::after{transform:scaleX(1)}

/* -------- Misc --------------- */
input[type='text'],
input[type='email']{background:#fff}

/* Prevent content under nav */
main, .legal-page{margin-top:70px}