:root {
    --primary: #1a2b48; /* Granat */
    --accent: #c5a059;  /* Złoto */
    --light: #f8f9fa;
    --text: #333;
    --white: #ffffff;
    --gray: #666;
    --black: #000000;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Rubik', sans-serif; 
    line-height: 1.6; 
    color: var(--text); 
    background-image: url('Logo/Przedszkolak_logo.svg');
    background-attachment: fixed;
    background-repeat: no-repeat;
    background-position: right 20% top 5%;
    background-size: clamp(300px, 25vw, 600px) auto; 
    scroll-behavior: smooth;
    background-color: var(--white);
}

/* Obsługa urządzeń mobilnych i tabletów */
@media (max-width: 1024px) {
    body {
        background-attachment: scroll;
        background-position: center 120px;
        background-size: 85% auto;
        background-color: #fcfcfc; 
    }
    
    header .container {
        position: relative;
        z-index: 2;
        background: rgba(255, 255, 255, 0.6);
        padding: 20px;
        border-radius: 15px;
        backdrop-filter: blur(5px);
    }
}

h1, h2, h3, h4, .nav-links a, .btn {
    font-family: 'Rubik', sans-serif;
    font-weight: 700;
}

/* Navigation */
nav { background: var(--white); padding: 30px 0; position: sticky; top: 0; z-index: 1000; box-shadow: 0 2px 10px rgba(0,0,0,0.1); }
.nav-container { max-width: 1200px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; padding: 0 20px; }
.nav-links a { text-decoration: none; color: var(--primary); margin-left: 25px; font-size: 0.85rem; text-transform: uppercase; transition: 0.3s; letter-spacing: 1px; }
.nav-links a:hover { color: var(--accent); }

/* SEKCJA HERO */
header { 
    background: transparent; 
    color: var(--white); 
    padding: 50px 20px 0px; 
    text-align: left; 
}

.container { max-width: 1250px; margin: 0 auto; padding: 0 10px; }

h1 { font-size: 3.5rem; margin-bottom: 15px; letter-spacing: -1px; line-height: 1.1; color: var(--black);}
.subtitle { font-size: 0.91rem; text-transform: uppercase; letter-spacing: 4px; color: var(--accent); margin-bottom: 20px; font-weight: 400; }
.subtitle2 { font-size: 1rem; text-transform: uppercase; letter-spacing: 4px; color: var(--accent); margin-bottom: 20px; font-weight: 500; }

/* Countdown Timer */
#timer { display: flex; justify-content: left; gap: 20px; margin: 40px 0; flex-wrap: wrap; }
.time-unit { background: rgba(255,255,255,0.1); padding: 20px; border-radius: 12px; min-width: 100px; border: 1px solid rgba(197, 160, 89, 0.4); backdrop-filter: blur(5px); }
.time-unit span { display: block; font-size: 2.5rem; font-weight: 800; color: var(--accent); }
.time-label { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 2px; opacity: 0.8; color: var(--accent); }

/* Sections */
section { padding: 100px 0; }
.section-title { text-align: center; font-size: 2.5rem; margin-bottom: 60px; color: var(--primary); letter-spacing: -0.5px; }
.section-title::after { content: ''; display: block; width: 60px; height: 4px; background: var(--accent); margin: 15px auto; border-radius: 2px; }

/* Info Cards */
.info-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 40px; }
.info-card { background: var(--light); padding: 40px; border-radius: 15px; border-bottom: 6px solid var(--accent); transition: 0.3s; }
.info-card:hover { transform: translateY(-5px); }
.info-card h3 { margin-bottom: 20px; color: var(--primary); font-size: 1.4rem; }
.info-card ul { list-style: none; }
.info-card ul li { margin-bottom: 28px; position: relative; padding-left: 28px; font-weight: 400; }
.info-card ul li::before { content: '✓'; position: absolute; left: 0; color: var(--accent); font-weight: 900; }

/* Speakers */
.speakers-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; }
.speaker-card { background: var(--white); backdrop-filter: blur(5px); border-radius: 15px; overflow: hidden; box-shadow: 0 10px 30px rgba(0,0,0,0.06); text-align: center; transition: 0.3s; border: 1px solid #f0f0f0; }
.speaker-card:hover { transform: translateY(-10px); box-shadow: 0 15px 40px rgba(0,0,0,0.1); }
.speaker-img { width: 100%; height: 320px; background-color: #eee; background-size: cover; background-position: center; }
.speaker-info { padding: 25px 15px; }
.speaker-info h4 { color: var(--primary); font-size: 1.1rem; margin-bottom: 8px; }
.speaker-info p { color: var(--accent); font-weight: 500; font-size: 0.85rem; letter-spacing: 0.5px; }

/* Schedule */
.schedule-container { background: var(--light); padding: 40px; border-radius: 20px; }
.schedule-table { width: 100%; border-collapse: collapse; }
.schedule-table tr { border-bottom: 1px solid #e0e0e0; }
.schedule-table td { padding: 25px 15px; vertical-align: top; }
.s-time { font-weight: 600; color: var(--primary); width: 180px; font-size: 1.1rem; }
.s-content strong { display: block; font-size: 1.1rem; margin-bottom: 5px; color: #111; }
.s-speaker { color: var(--accent); font-weight: 600; font-size: 0.85rem; text-transform: uppercase; }

/* Map Section */
.map-wrapper { width: 100%; height: 450px; filter: contrast(1.1); border-top: 5px solid var(--primary); }

/* Registration Form */
.reg-box { 
    max-width: 600px; 
    margin: 0 auto; 
    background: var(--white); 
    padding: 75px; 
    box-shadow: 0 20px 60px rgba(0,0,0,0.12);
    border-radius: 20px; 
    opacity: 0.2;
}
.form-group { margin-bottom: 22px; text-align: left; }
.form-group label { display: block; margin-bottom: 10px; font-weight: 600; font-size: 0.9rem; color: var(--primary); }
.form-group input, .form-group select { width: 100%; padding: 15px; border: 2px solid #eee; border-radius: 10px; font-family: 'Rubik', sans-serif; transition: 0.3s; }
.form-group input:focus { border-color: var(--accent); outline: none; }

/* Buttons */
.btn { 
    display: inline-block; 
    background: var(--accent); 
    color: white; 
    padding: 20px 50px; 
    text-decoration: none; 
    border-radius: 12px; 
    transition: 0.3s; 
    border: none; 
    cursor: pointer; 
    letter-spacing: 0.5px; 
    text-transform: uppercase; 
    font-size: 0.95rem; 
    opacity: 0.7;
}

.btn:hover { background: var(--primary); transform: translateY(-3px); box-shadow: 0 10px 20px rgba(26, 43, 72, 0.2); }

footer { background: var(--primary); color: white; padding: 60px 20px; text-align: center; }
.footer-logo { font-size: 1.6rem; margin-bottom: 20px; color: var(--accent); letter-spacing: 1px; }

#prelegenci { background: transparent; }

@media (max-width: 768px) {
    h1 { font-size: 2.2rem; }
    .nav-links { display: none; }
    .s-time { width: 100px; font-size: 0.95rem; }
    section { padding: 60px 0; }
}

/* Styl hamburgera - domyślnie ukryty */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 25px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.hamburger span {
    width: 30px;
    height: 3px;
    background: var(--primary);
    border-radius: 10px;
    transition: all 0.3s linear;
}

.nav-container > a {
    cursor: pointer;
    transition: opacity 0.3s;
}

.nav-container > a:hover {
    opacity: 0.8;
}



/* Obsługa urządzeń mobilnych */
/* --- MENU HAMBURGER & RESPONSYWNY HARMONOGRAM --- */

/* Styl hamburgera - domyślnie ukryty na desktopie */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 25px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.hamburger span {
    width: 30px;
    height: 3px;
    background: var(--primary);
    border-radius: 10px;
    transition: all 0.3s linear;
}

/* Obsługa tabletów i mniejszych ekranów (Menu) */
@media (max-width: 1024px) {
    .hamburger {
        display: flex;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--white);
        padding: 20px 0;
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links a {
        margin: 15px 0;
        text-align: center;
        width: 100%;
        margin-left: 0;
        font-size: 1.1rem;
    }

    .hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
    .hamburger.active span:nth-child(2) { opacity: 0; }
    .hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(7px, -7px); }
}

/* Obsługa telefonów (Harmonogram + drobne poprawki) */
@media (max-width: 768px) {
    h1 { font-size: 2.2rem; }
    section { padding: 60px 0; }

    /* Harmonogram: Godziny nad wydarzeniem */
    .schedule-table, 
    .schedule-table tr, 
    .schedule-table td {
        display: block;
        width: 100%;
    }

    .schedule-table tr {
        padding: 15px 0;
        border-bottom: 1px solid #e0e0e0;
    }

    .schedule-table td {
        padding: 5px 0;
        border: none;
    }

    .s-time {
        width: 100% !important;
        white-space: nowrap;
        font-size: 1rem;
        margin-bottom: 5px;
        color: var(--primary); /* Złoty kolor dla lepszej czytelności godzin */
    }

    .s-content {
        padding-top: 0 !important;
    }


    body {
        background-size: 150px auto; /* Mniejszy rozmiar logo */
        background-position: right 10px top 100px;    }

    /* Zmniejszenie opacity dla pierwszego kontenera pod nawigacją (header) */
    header .container {
        transition: opacity 0.3s ease;
        background: rgba(255, 255, 255, 0.2); 
        backdrop-filter: none; /* Wyłączamy rozmycie, które zamgla logo */
        opacity: 1; /* Przywracamy pełną widoczność tekstu */
    }


}