/* =========================================================
  Base Theme – Futuristic | Analogous Palette | 3D Effects
========================================================= */

/* ---------- CSS Variables ---------- */
:root{
    /* Analogous Colors: Teal → Aqua → Blue-Green */
    --clr-primary         : #008CBA;
    --clr-primary-dark    : #006C8E;
    --clr-primary-light   : #1FB8E3;

    --clr-accent          : #00BFA6;   /* aqua-green */
    --clr-accent-dark     : #009D86;
    --clr-accent-light    : #33D7C4;

    --clr-bg              : #0A0F1A;   /* near-black for depth */
    --clr-bg-light        : #121A2B;
    --clr-surface         : #162033;
    --clr-surface-light   : #1F2B44;

    --clr-text            : #E5F6FF;
    --clr-text-dark       : #B8D9EB;
    --clr-heading         : #FFFFFF;

    --shadow-3d           : 0 10px 25px rgba(0,0,0,0.35);
    --transition-fast     : .25s ease;
    --transition-medium   : .5s cubic-bezier(.19,1,.22,1);
    --radius              : .75rem;
}

/* ---------- Global Resets ---------- */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    font-family:'Open Sans',Arial,Helvetica,sans-serif;
    background:var(--clr-bg);
    color:var(--clr-text);
    line-height:1.6;
    overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--clr-primary-light);text-decoration:none;transition:color var(--transition-fast)}
a:hover,
a:focus{color:var(--clr-accent-light)}

/* ---------- Typography ---------- */
h1,h2,h3,h4,h5,h6{
    font-family:'Raleway',sans-serif;
    color:var(--clr-heading);
    text-shadow:1px 1px 3px rgba(0,0,0,.6);
    line-height:1.25;
}
.section-title{
    text-align:center;
    margin-bottom:1.5rem;
    font-size:clamp(1.8rem,2.5vw,2.8rem);
}

/* ---------- Utility Classes ---------- */
.container{
    width:90%;
    max-width:1200px;
    margin-inline:auto;
}
.btn,
button,
input[type='submit']{
    appearance:none;
    border:none;
    cursor:pointer;
    font-family:'Raleway',sans-serif;
    font-weight:600;
    color:#fff;
    background:linear-gradient(145deg,var(--clr-accent),var(--clr-primary));
    padding:.85rem 2.2rem;
    border-radius:var(--radius);
    box-shadow:var(--shadow-3d);
    transition:transform var(--transition-fast),box-shadow var(--transition-fast);
}
.btn:hover,
button:hover,
input[type='submit']:hover{
    transform:translateY(-3px) scale(1.02);
    box-shadow:0 15px 30px rgba(0,0,0,.45);
}
.btn-cta{font-size:1.05rem}

/* ---------- Navigation ---------- */
.site-header{
    position:fixed;
    top:0;left:0;width:100%;
    background:rgba(10,15,26,0.85);
    backdrop-filter:blur(8px);
    z-index:1000;
    box-shadow:0 0 12px rgba(0,0,0,.5);
}
.site-header .container{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:.8rem 0;
}
.logo a{font-size:1.6rem;font-weight:700;color:var(--clr-heading)}
.main-nav ul{
    display:flex;
    gap:1.5rem;
    list-style:none;
}
.main-nav a{font-weight:600}
.burger{
    display:none;
    flex-direction:column;
    gap:4px;
    background:none;
}
.burger span{
    width:24px;height:2px;
    background:var(--clr-heading);
    transition:transform var(--transition-fast);
}

/* ---------- Hero Section ---------- */
.hero-section{
    position:relative;
    width:100%;
    color:#fff; /* Ensures white text */
    background-size:cover;
    background-repeat:no-repeat;
    background-attachment:fixed;
    display:flex;
    align-items:center;
    justify-content:center;
    padding:8rem 0 6rem;
    perspective:1000px;
}
.hero-inner{
    max-width:700px;
    text-align:center;
    transform:rotateX(3deg) translateZ(40px);
    animation:rise 1.4s cubic-bezier(.19,1,.22,1) forwards;
}
@keyframes rise{
    0%{opacity:0;transform:translateY(60px) rotateX(7deg)}
    100%{opacity:1;transform:translateY(0) rotateX(0)}
}
.hero-title{font-size:clamp(2.2rem,4vw,3.5rem);margin-bottom:1rem}
.hero-text{font-size:1.1rem;margin-bottom:2rem}

/* ---------- Vision Section ---------- */
.vision-section{
    padding:5rem 0;
    background:linear-gradient(135deg,var(--clr-bg-light),var(--clr-surface-light));
}

/* ---------- Success Stories ---------- */
.success-section{
    padding:5rem 0;
}
.card-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
    gap:2rem;
}
.card{
    background:var(--clr-surface);
    border-radius:var(--radius);
    box-shadow:var(--shadow-3d);
    padding:1.5rem;
    display:flex;
    flex-direction:column;
    align-items:center;
    text-align:center;
    transition:transform var(--transition-medium);
}
.card:hover{transform:translateY(-6px) rotateX(4deg) rotateY(-3deg)}
.card-image{
    width:100%;
    height:220px;
    overflow:hidden;
    border-radius:var(--radius);
    margin-bottom:1rem;
    display:flex;
    align-items:center;
    justify-content:center;
}
.card-image img{
    width:100%;
    height:100%;
    object-fit:cover;
    margin:0 auto;
}
.card-content h3{margin-bottom:.5rem;font-size:1.25rem;color:var(--clr-primary-light)}
.card-content p{font-size:.95rem;color:var(--clr-text-dark)}

/* ---------- Webinars Section ---------- */
.webinar-section{
    padding:5rem 0;
    background:linear-gradient(135deg,var(--clr-surface),var(--clr-bg-light));
}
.gallery{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
    gap:1.5rem;
    margin:2rem 0;
}
.gallery .image-container{
    position:relative;
    height:260px;
    overflow:hidden;
    border-radius:var(--radius);
    box-shadow:var(--shadow-3d);
    transform-style:preserve-3d;
}
.gallery img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform var(--transition-medium);
}
.gallery .image-container:hover img{transform:scale(1.08) rotateY(12deg)}

/* ---------- Modal ---------- */
.modal{
    position:fixed;
    top:0;left:0;width:100%;height:100%;
    background:rgba(0,0,0,.75);
    display:none;align-items:center;justify-content:center;
    z-index:2000;
}
.modal-content{
    background:var(--clr-surface);
    padding:2rem;
    border-radius:var(--radius);
    width:90%;
    max-width:500px;
    box-shadow:var(--shadow-3d);
    transform:scale(.8);
    opacity:0;
    transition:transform var(--transition-fast),opacity var(--transition-fast);
}
.modal.open{display:flex}
.modal.open .modal-content{transform:scale(1);opacity:1}
.close-modal{
    position:absolute;
    top:1rem;right:1.2rem;
    font-size:1.8rem;
    color:var(--clr-accent-light);
    cursor:pointer;
}

/* ---------- External Resources Section ---------- */
.external-resources{
    padding:5rem 0;
}
.external-resources .card{
    padding:1rem 1.25rem;
}
.external-resources h4 a{font-size:1.05rem;font-weight:700}

/* ---------- Contact Section ---------- */
.contact-section{
    padding:5rem 0;
    background:linear-gradient(135deg,var(--clr-bg-light),var(--clr-surface));
}
.contact-form{
    max-width:650px;
    margin:0 auto;
    display:grid;
    gap:1rem;
}
.contact-form input,
.contact-form textarea{
    width:100%;
    padding:.9rem 1rem;
    border-radius:var(--radius);
    border:2px solid var(--clr-primary-dark);
    background:var(--clr-surface-light);
    color:var(--clr-text);
    font-family:inherit;
}
.contact-form input:focus,
.contact-form textarea:focus{outline:none;border-color:var(--clr-accent)}
.contact-form label{font-size:.9rem;color:var(--clr-text-dark)}

/* ---------- FAQ Section ---------- */
.faq-section{
    padding:5rem 0;
}
details{
    background:var(--clr-surface);
    border-radius:var(--radius);
    margin-bottom:1rem;
    padding:1rem 1.25rem;
    box-shadow:0 4px 12px rgba(0,0,0,.25);
}
details summary{
    cursor:pointer;
    font-weight:600;
    color:var(--clr-accent-light);
}
details[open] summary{margin-bottom:.5rem}
details p{color:var(--clr-text-dark);padding-left:1rem}

/* ---------- Footer ---------- */
.site-footer{
    padding:3rem 0 2rem;
    background:var(--clr-bg-light);
}
.footer-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
    gap:2rem;
}
.footer-col h4{color:var(--clr-primary-light);margin-bottom:1rem}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:.5rem}
.footer-col a{color:var(--clr-text-dark);font-weight:600}
.footer-col a:hover{color:var(--clr-accent-light);text-decoration:underline}
.social-link{font-weight:700}

/* ---------- "Leia mais" Links ---------- */
.read-more{
    display:inline-block;
    font-weight:700;
    margin-top:.5rem;
    color:var(--clr-accent-light);
}
.read-more:hover{color:var(--clr-primary-light);text-decoration:underline}

/* ---------- Success Page ---------- */
.success-page{
    min-height:100vh;
    display:flex;
    align-items:center;
    justify-content:center;
    text-align:center;
}
.success-page h2{font-size:2rem;margin-bottom:1rem;color:var(--clr-accent-light)}

/* ---------- Privacy & Terms ---------- */
.legal-page{padding-top:100px;padding-bottom:4rem}
.legal-page h2{margin-bottom:1.5rem;color:var(--clr-primary-light)}
.legal-page p{margin-bottom:1rem;color:var(--clr-text-dark);max-width:850px}

/* ---------- Parallax Helper ---------- */
.parallax{
    background-attachment:fixed;
    background-size:cover;
    background-repeat:no-repeat;
}

/* ---------- Media Queries ---------- */
@media(max-width:768px){
    .main-nav ul{display:none;flex-direction:column;gap:1rem;background:var(--clr-bg-light);padding:1rem;position:absolute;right:1rem;top:60px;border-radius:var(--radius);}
    .main-nav.open ul{display:flex}
    .burger{display:flex}
}

/* ---------- 3D Button Press ---------- */
.btn:active{transform:translateY(1px) scale(.98);box-shadow:0 4px 10px rgba(0,0,0,.25)}

/* ---------- Scrollbar Styling (WebKit) ---------- */
::-webkit-scrollbar{width:8px}
::-webkit-scrollbar-track{background:var(--clr-bg)}
::-webkit-scrollbar-thumb{background:var(--clr-primary-dark);border-radius:4px}
::-webkit-scrollbar-thumb:hover{background:var(--clr-accent-dark)}