/* =========================================================
   ŠKOLA Z INVESTÍCIÍ – STYLE.CSS
   Glassmorphism + Neo-brutalism • Responsive • Optimised
   ========================================================= */

/* ---------- 1. ROOT & THEME VARIABLES ---------- */
:root{
    /* Typography */
    --font-head:'Poppins',sans-serif;
    --font-body:'Work Sans',sans-serif;

    /* Palette – Additional (triadic accents) */
    --clr-primary:#00c08b;        /* žiarivo tyrkysová */
    --clr-secondary:#ff715b;      /* koralovo oranžová */
    --clr-tertiary:#5b6bff;       /* kráľovská modrá */
    --clr-dark:#222222;
    --clr-light:#f7f9fc;
    --clr-text:#333333;
    --clr-white:#ffffff;

    /* Glassmorphism */
    --glass-bg:rgba(255,255,255,0.18);
    --glass-border:rgba(255,255,255,0.4);
    --blur:15px;

    /* Brutalism */
    --brutal-border-size:3px;
    --brutal-radius:12px;

    /* Gradients */
    --grad-primary:linear-gradient(135deg,var(--clr-primary) 0%,var(--clr-tertiary) 100%);
    --grad-dark:linear-gradient(135deg,#141414 0%,#1e1e1e 100%);

    /* Shadows */
    --shadow-lg:0 10px 30px rgba(0,0,0,0.15);
    --shadow-sm:0 2px 8px rgba(0,0,0,0.08);

    /* Animation */
    --tr-fast:200ms cubic-bezier(.4,0,.2,1);
    --tr-slow:600ms cubic-bezier(.25,.1,.25,1);
}

/* ---------- 2. GLOBAL RESET & BASE ---------- */
*,
*::before,
*::after{box-sizing:border-box;margin:0;padding:0;}

html{scroll-behavior:smooth;}

body{
    font-family:var(--font-body);
    line-height:1.6;
    color:var(--clr-text);
    background:var(--clr-light);
    -webkit-font-smoothing:antialiased;
}

/* Page helpers */
.container{
    width:100%;
    max-width:1280px;
    margin:0 auto;
    padding:0 1rem;
}

.section{
    padding:4rem 0;
}

.section-title{
    font-family:var(--font-head);
    font-weight:700;
    text-align:center;
    font-size:clamp(1.8rem,2.5vw,2.6rem);
    margin-bottom:2rem;
    color:var(--clr-dark);
    text-shadow:1px 1px 3px rgba(0,0,0,0.2);
}

/* ---------- 3. TYPOGRAPHY ---------- */
h1,h2,h3,h4,h5,h6{
    font-family:var(--font-head);
    font-weight:600;
    color:var(--clr-dark);
}
p{margin-bottom:1rem;}
a{
    color:var(--clr-primary);
    text-decoration:none;
    transition:color var(--tr-fast);
}
a:hover,a:focus{color:var(--clr-secondary);}

/* ---------- 4. NAVIGATION ---------- */
.glass-nav{
    position:fixed;
    top:0;left:0;
    width:100%;
    background:var(--glass-bg);
    border-bottom:1px solid var(--glass-border);
    backdrop-filter:blur(var(--blur));
    z-index:1000;
}
.nav-wrapper{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:.75rem 1rem;
}
.logo{
    font-family:var(--font-head);
    font-weight:700;
    font-size:1.25rem;
    color:var(--clr-dark);
}
.nav-links{
    display:flex;
    gap:1.25rem;
}
.nav-links a{
    font-weight:500;
    position:relative;
}
.nav-links a::after{
    content:'';
    position:absolute;
    left:0;bottom:-4px;
    width:0;height:2px;
    background:var(--clr-secondary);
    transition:width var(--tr-fast);
}
.nav-links a:hover::after{width:100%;}
/* Burger */
#burger{display:none;background:none;border:none;cursor:pointer}
#burger span{
    display:block;width:22px;height:3px;
    background:var(--clr-dark);margin:4px 0;
    transition:all var(--tr-fast);
}

/* ---------- 5. HERO ---------- */
.hero-section{
    position:relative;
    color:var(--clr-white);
    text-align:center;
    overflow:hidden;
}
.hero-bg{
    position:absolute;
    top:0;left:0;
    width:100%;height:100%;
    background-size:cover;
    background-repeat:no-repeat;
    background-position:center;
    transform:scale(1.05);
    will-change:transform;
}
.hero-content{
    position:relative;
    z-index:2;
    padding:10rem 1rem 8rem;
}
.hero-title{
    font-size:clamp(2.2rem,4vw,3.8rem);
    margin-bottom:1rem;
    text-shadow:1px 1px 5px rgba(0,0,0,0.6);
}
.hero-subtitle{
    font-size:1.125rem;
    max-width:700px;
    margin:0 auto 2rem;
    text-shadow:1px 1px 3px rgba(0,0,0,0.5);
}

/* ---------- 6. BUTTONS ---------- */
.btn,.btn-primary,button,input[type='submit']{
    display:inline-block;
    padding:.75rem 1.75rem;
    border:none;
    border-radius:var(--brutal-radius);
    font-family:var(--font-head);
    font-weight:600;
    font-size:1rem;
    color:var(--clr-white);
    background:var(--grad-primary);
    box-shadow:var(--shadow-sm),0 0 0 var(--brutal-border-size) var(--clr-dark);
    cursor:pointer;
    transition:transform var(--tr-fast),box-shadow var(--tr-fast);
}
.btn-primary:hover,button:hover,input[type='submit']:hover{
    transform:translateY(-3px);
    box-shadow:var(--shadow-lg),0 0 0 var(--brutal-border-size) var(--clr-dark);
}

/* ---------- 7. GLASS CONTAINERS ---------- */
.glass-light{
    background:var(--glass-bg);
    border:1px solid var(--glass-border);
    backdrop-filter:blur(var(--blur));
}
.glass-dark{
    background:rgba(34,34,34,0.7);
    border:1px solid rgba(255,255,255,0.2);
    backdrop-filter:blur(var(--blur));
    color:var(--clr-white);
}
.glass-footer{
    background:var(--grad-dark);
    color:var(--clr-light);
}

/* ---------- 8. GRID & FLEX HELPERS ---------- */
.stats-grid,.events-list{
    display:grid;
    gap:1.5rem;
}
.stats-grid{
    grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
    text-align:center;
}
.events-list{
    grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
}
.footer-grid{
    display:grid;
    gap:1.5rem;
    grid-template-columns:repeat(auto-fill,minmax(220px,1fr));
    align-items:center;
}

/* ---------- 9. STAT WIDGET ---------- */
.stat-widget{
    padding:2rem 1rem;
    border-radius:var(--brutal-radius);
    background:var(--glass-bg);
    border:1px solid var(--glass-border);
    backdrop-filter:blur(var(--blur));
    box-shadow:var(--shadow-sm);
}
.stat-number{
    font-size:2.2rem;
    font-weight:700;
    color:var(--clr-primary);
}
.stat-label{font-weight:500;}

/* ---------- 10. CARD COMPONENT ---------- */
.card{
    display:flex;
    flex-direction:column;
    align-items:center;
    text-align:center;
    background:var(--glass-bg);
    border:1px solid var(--glass-border);
    backdrop-filter:blur(var(--blur));
    border-radius:var(--brutal-radius);
    box-shadow:var(--shadow-sm);
    overflow:hidden;
}
.card-image{
    width:100%;
    height:200px;
    overflow:hidden;
}
.card-image img{
    width:100%;
    height:100%;
    object-fit:cover;
    margin:0 auto;
    display:block;
}
.card-content{padding:1rem;}

/* ---------- 11. TIMELINE ---------- */
.timeline{
    position:relative;
    max-width:800px;
    margin:0 auto;
}
.timeline::before{
    content:'';
    position:absolute;
    top:0;left:50%;
    width:4px;height:100%;
    background:var(--clr-secondary);
    transform:translateX(-50%);
}
.timeline-item{
    position:relative;
    padding:1.5rem 2rem;
    width:50%;
}
.timeline-item:nth-child(odd){left:0;text-align:right;}
.timeline-item:nth-child(even){left:50%;}
.timeline-marker{
    position:absolute;
    top:1.5rem;
    right:-10px;
    width:20px;height:20px;
    border-radius:50%;
    background:var(--clr-tertiary);
    border:4px solid var(--clr-light);
}
.timeline-item:nth-child(even) .timeline-marker{left:-10px;right:auto;}

/* ---------- 12. CALENDAR ---------- */
.calendar-wrapper{
    max-width:460px;
    margin:0 auto;
    background:var(--glass-bg);
    border:1px solid var(--glass-border);
    backdrop-filter:blur(var(--blur));
    border-radius:var(--brutal-radius);
    padding:1.5rem;
}
.calendar-month{
    font-family:var(--font-head);
    font-weight:600;
    margin-bottom:.75rem;
}
.calendar-days li{
    list-style:none;
    padding:.5rem 0;
    border-bottom:1px dashed rgba(0,0,0,0.1);
}
.calendar-days li span{
    color:var(--clr-tertiary);
    font-weight:600;
}

/* ---------- 13. CONTACT FORM ---------- */
.contact-form{
    max-width:600px;
    margin:0 auto;
    display:flex;
    flex-direction:column;
    gap:1rem;
}
.form-group{display:flex;flex-direction:column;}
label{font-weight:500;margin-bottom:.25rem;}
input[type="text"],
input[type="email"],
textarea{
    padding:.75rem 1rem;
    border:2px solid var(--clr-dark);
    border-radius:var(--brutal-radius);
    font-family:var(--font-body);
    resize:vertical;
    transition:border-color var(--tr-fast);
}
input:focus,textarea:focus{border-color:var(--clr-primary);outline:none}

/* ---------- 14. FOOTER ---------- */
.footer-nav{display:flex;flex-direction:column;gap:.25rem;}
.footer-nav a{color:var(--clr-light);}
.footer-nav a:hover{color:var(--clr-secondary);text-decoration:underline;}
footer p{font-size:.875rem;}
/* Social text links */
footer a[target="_blank"]{font-weight:600;}

/* ---------- 15. RESOURCES LINKS ---------- */
.resource-link{
    display:block;
    padding:.75rem 1rem;
    margin-bottom:.5rem;
    border-left:6px solid var(--clr-tertiary);
    background:var(--glass-bg);
    border-radius:var(--brutal-radius);
    backdrop-filter:blur(var(--blur));
    transition:background var(--tr-fast),transform var(--tr-fast);
}
.resource-link:hover{
    background:rgba(255,255,255,0.25);
    transform:translateX(4px);
}

/* ---------- 16. READ MORE ---------- */
.read-more{
    display:inline-block;
    margin-top:.5rem;
    font-weight:600;
    color:var(--clr-secondary);
}
.read-more:hover{color:var(--clr-tertiary);}

/* ---------- 17. SUCCESS PAGE ---------- */
.success-page{
    min-height:100vh;
    display:flex;
    align-items:center;
    justify-content:center;
    flex-direction:column;
    text-align:center;
    background:var(--grad-primary);
    color:var(--clr-white);
}

/* ---------- 18. PAGES OFFSET ---------- */
.page-offset{padding-top:100px;} /* use on privacy.html & terms.html */

/* ---------- 19. NON-LINEAR ANIMATIONS ---------- */
@keyframes floatY{
    0%,100%{transform:translateY(0)}
    50%{transform:translateY(-10px)}
}
@keyframes skewSlide{
    0%{transform:translateX(-100%) skewX(-10deg);opacity:0}
    60%{transform:translateX(10%) skewX(0);opacity:1}
    100%{transform:translateX(0) skewX(0);opacity:1}
}
/* Apply */
.card:hover{animation:floatY 3s ease-in-out infinite;}
.section-title{animation:skewSlide 1s cubic-bezier(.5,.05,.1,.3) both;}

/* ---------- 20. MEDIA QUERIES ---------- */
@media(max-width:768px){
    .nav-links{position:fixed;top:0;right:-100%;flex-direction:column;align-items:center;
        background:var(--glass-bg);backdrop-filter:blur(var(--blur));width:60%;height:100vh;
        padding-top:6rem;transition:right var(--tr-slow);}
    .nav-links.open{right:0;}
    #burger{display:block;}
    .timeline::before{left:20px;}
    .timeline-item,
    .timeline-item:nth-child(even){
        width:100%;left:40px;text-align:left;
    }
    .timeline-item .timeline-marker{left:-40px;}
}

/* ---------- 21. UTILITIES ---------- */
.text-center{text-align:center;}
.parallax{background-attachment:fixed;background-size:cover;background-repeat:no-repeat;}
.hide{display:none!important;}
.show{display:block!important;}