/* ===== ОСНОВА ===== */

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background-color: black;
    color: white;
    font-family: Arial, sans-serif;
    line-height: 1.6;
}


/* ===== ЗАГОЛОВКИ ===== */

h1, h2, h3 {
    font-family: Georgia, serif;
    color: cornflowerblue;
}

h1 {
    font-size: 40px;
    letter-spacing: 3px;
}

h2 {
    font-size: 28px;
}

p {
    font-size: 17px;
}


/* ===== HEADER ===== */

header {
    min-height: 280px;
    padding: 40px;

    background-color: black;
    background-image:
            linear-gradient(
                    rgba(0, 0, 0, 0.45),
                    rgba(0, 0, 0, 0.8)
            ),
            url("pilt.png");

    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;

    border-bottom: 3px dashed royalblue;
}

header h1 {
    margin: 0;
    padding: 50px 20px;

    text-align: center;
    font-variant: small-caps;

    color: white;
}


/* ===== НАВИГАЦИЯ ===== */

nav {
    width: 90%;
    margin: 30px auto;
    padding: 0;
}

nav ul {
    list-style-type: none;

    margin: 0;
    padding: 0;

    background-color: rgba(65, 105, 225, 0.2);

    border: 2px solid royalblue;
    border-radius: 15px;

    overflow: hidden;
}

nav ul li {
    margin: 0;
    padding: 0;
}

nav ul li a {
    display: block;

    width: 100%;
    padding: 18px 20px;

    color: white;
    background-color: rgba(65, 105, 225, 0.15);

    text-decoration: none;
    text-align: center;

    font-variant: small-caps;
    font-weight: bold;
    font-size: 18px;

    border-bottom: 1px solid rgba(100, 149, 237, 0.4);
}


/* Последняя вкладка */

nav ul li:last-child a {
    border-bottom: none;
}


/* Наведение мыши */

nav ul li a:hover {
    background-color: royalblue;
    color: white;
}


/* ===== MAIN ===== */

main {
    max-width: 1100px;
    margin: 40px auto;
    padding: 20px;
}


/* ===== ОБЫЧНЫЕ БЛОКИ ===== */

section#kast1,
section#kast2 {
    width: 80%;
    margin: 25px auto;
    padding: 30px;

    background-color: rgba(65, 105, 225, 0.3);

    border: 2px solid royalblue;

    text-align: center;
}

section#kast1 {
    border-radius: 40px 10px 40px 10px;
}

section#kast2 {
    border-radius: 10px 40px 10px 40px;
}
/* ===== KAST 3 + KAST 4 ===== */

#kast3,
#kast4 {
    width: 100%;
    padding: 30px;

    background-color: rgba(65, 105, 225, 0.20);

    border: 2px solid royalblue;

    text-align: center;
}


/* KAST 3 */

section#kast3 {
    border-radius: 40px 5px 5px 40px;
}


/* KAST 4 */

section#kast4 {
    border-radius: 5px 40px 40px 5px;
}


/* Общий контейнер для kast3 и kast4 */

.kast-paar {
    width: 90%;
    margin: 30px auto;

    display: grid;
    grid-template-columns: 1fr 1fr;

    gap: 20px;
}


/* ===== KAST 5 ===== */

section#kast5 {
    width: 90%;
    margin: 40px auto;
    padding: 35px;

    background-color: rgba(100, 149, 237, 0.15);

    border-left: 8px solid cornflowerblue;
    border-right: 2px solid royalblue;

    border-radius: 5px 30px 30px 5px;

    text-align: left;
}


/* ===== KAST 6 ===== */

section#kast6 {
    width: 80%;
    margin: 40px auto;
    padding: 40px;

    background-color: rgba(65, 105, 225, 0.12);

    border: 2px dashed cornflowerblue;

    border-radius: 20px 80px 20px 80px;

    text-align: center;

    box-shadow:
            inset 0 0 20px rgba(65, 105, 225, 0.15);
}

/* ===== MEDIA GRID ===== */

#suurkast {
    display: grid;

    grid-template-columns: repeat(2, 1fr);

    gap: 30px;
}


/* ===== MEDIA SECTION ===== */

#suurkast section {
    padding: 25px;

    background-color: rgba(65, 105, 225, 0.25);

    border: 2px solid royalblue;
    border-radius: 20px;
}


/* ===== ФОТОГАЛЕРЕЯ ===== */

#pildigalerii {
    text-align: center;
}

#pildigalerii img {
    width: 300px;
    height: 300px;

    object-fit: cover;

    margin: 5px;

    border: 2px solid cornflowerblue;
    border-radius: 10px;
}


/* ===== VIDEO ===== */

#video iframe {
    width: 100%;
    min-height: 300px;

    border: none;
    border-radius: 10px;
}


/* ===== МУЗЫКА ===== */

#muusika iframe {
    width: 100%;

    border: none;
    border-radius: 10px;
}


/* ===== КАРТА ===== */

#kaart iframe {
    width: 100%;
    min-height: 300px;

    border: none;
    border-radius: 10px;
}


/* ===== ССЫЛКИ ===== */

main a {
    color: cornflowerblue;
    text-decoration: none;
}

main a:hover {
    color: white;
}


/* ===== FOOTER ===== */

footer {
    width: 100%;
    margin-top: 50px;
    padding: 30px;

    text-align: center;

    background-color: black;

    border-top: 3px dashed royalblue;

    font-variant: small-caps;
}

footer a {
    color: cornflowerblue;
    text-decoration: none;
}

footer a:hover {
    color: white;
}