/* =====================================================
   ALBERT PRINS — HOME
   home-nl.css
   ===================================================== */

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

html,
body {
    width: 100%;
}

body {
    background: #080706;
    color: #f4eee3;
    font-family: Georgia, "Times New Roman", serif;
    overflow-x: hidden;
}

/* =====================================================
   HERO / ACHTERGROND
   ===================================================== */

.hero {
    position: relative;
    width: 100%;
    min-height: calc(66.6667vw + 120px);
    overflow: hidden;

    background-image: url("../images-en/study-books.jpg");
    background-size: 100% auto;
    background-position: center 120px;
    background-repeat: no-repeat;
    background-color: #080706;
}

/* =====================================================
   NAVIGATIE
   ===================================================== */

.navigation {
    position: fixed; /*absolute;*/
    top: 0;
    left: 0;
    right: 0;
    height: 120px;

    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 3vw;

    z-index: 20;

    background: rgba(7, 7, 7, 0.92);
    border-bottom: 1px solid rgba(217, 173, 85, 0.20);
}

.brand {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.brand-name {
    color: #d9ad55;
    font-family: Georgia, "Times New Roman", serif;
    font-size: clamp(28px, 2.5vw, 43px);
    font-weight: normal;
    letter-spacing: 3px;
    line-height: 1;
}

.brand-subtitle {
    margin-top: 10px;
    color: #f0ece5;
    font-family: Arial, sans-serif;
    font-size: 14px;
    letter-spacing: 5px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: clamp(25px, 3vw, 50px);
}

.nav-links > a {
    color: #eee7dc;
    text-decoration: none;
    font-family: Arial, sans-serif;
    font-size: 16px;
    letter-spacing: 2px;
    transition: color 0.25s ease, text-shadow 0.25s ease;
}

.nav-links > a:hover {
    color: #d9ad55;
    text-shadow: 0 0 10px rgba(217, 173, 85, 0.35);
}
#books,
#over,
#news,
#downloads,
#contact {
    scroll-margin-top: 125px;
}


/* =====================================================
   TAALKEUZE
   ===================================================== */

.language {
    display: flex;
    align-items: center;
    margin-left: 5px;
    padding: 8px 16px;

    border: 1px solid rgba(217, 173, 85, 0.45);
    border-radius: 25px;

    font-family: Arial, sans-serif;
    font-size: 16px;
}

.language a {
    margin: 0;
    color: #eee7dc;
    text-decoration: none;
}

.language span {
    margin: 0 10px;
    color: #aaa6a0;
}

.language .active {
    color: #d9ad55;
}

/* =====================================================
   INTRODUCTIE
   ===================================================== */

.intro {
    position: absolute;
    left: 7%;
    top: 18%;
    width: min(600px, 46vw);
    z-index: 10;
}

.intro h1 {
    color: #e4b85f;
    font-size: clamp(40px, 4.2vw, 72px);
    font-weight: normal;
    letter-spacing: 4px;
    margin-bottom: 15px;
}

.intro .subtitle {
    font-size: clamp(18px, 1.6vw, 27px);
    line-height: 1.5;
    color: #f0ece5;
}

.intro p {
    font-size: clamp(15px, 1.2vw, 19px);
    line-height: 1.65;
    color: #ddd7ce;
    margin-bottom: 10px;
}

.intro .tagline {
    white-space: nowrap;
    color: #d4a24c !important;
    font-style: italic !important;
    font-size: 24px !important;
    position: relative;
    top: -10px;
    margin-top: 12px;
    margin-bottom: -5px;
}

.intro > p:not(.tagline) {
    max-width: 680px;
    position: relative;
    top: -15px;
}

.gold-line {
    width: 100%;
    max-width: 565px;
    height: 1px;
    margin: 25px 0;

    background: linear-gradient(
        90deg,
        #d9ad55,
        rgba(217, 173, 85, 0.1)
    );
}

/* =====================================================
   KIES EEN BOEK
   ===================================================== */

.choose-book {
    position: absolute;
    left: 0;
    right: 0;
	/*    top: 39.5%; */
    top: calc(120px + 18.0vw);

    z-index: 12;

    text-align: center;
    color: #f0ece5;
    font-family: Georgia, "Times New Roman", serif;
    font-size: clamp(18px, 1.5vw, 24px);
    letter-spacing: 4px;
    font-weight: normal;
}

/* =====================================================
   KLIKBARE BOEKEN
   ===================================================== */

.book-link {
    position: absolute;
    z-index: 15;

    display: block;
    text-decoration: none;
    background: transparent;

    transition:
        transform 0.25s ease,
        filter 0.25s ease;
}

/* ALGEMENE RELATIVITEIT */

.book-relativity {
    left: 13.9%;
    top: calc(100px + 20.0vw);
    width: 35%;
    height: 50.2%;

    clip-path: polygon(
        15% 0%,
        94% 0%,
        100% 100%,
        0% 100%
    );
}

/* MENSEN */

.book-philosophy {
    left: 51.2%;
    top: calc(100px + 20.0vw);
    width: 35%;
    height: 50.2%;

    clip-path: polygon(
        1% 0%,
        70% 0%,
        100% 100%,
        0% 100%
    );
}

/* =====================================================
   HOVER
   ===================================================== */

.book-link:hover {
    transform: translateY(-7px);
    filter: drop-shadow(
        0 12px 12px rgba(0, 0, 0, 0.45)
    );
}

.book-link::after {
    content: "";
    position: absolute;
    inset: 4%;
    border: 1px solid rgba(218, 174, 85, 0);
    transition: border-color 0.25s ease;
}

.book-link:hover::after {
    border-color: rgba(218, 174, 85, 0.55);
}

/* =====================================================
   TESTMODUS
   Zet tijdelijk aan om de klikvlakken te controleren.
   ===================================================== */

/*
.book-relativity {
    background: rgba(255, 0, 0, 0.25);
}

.book-philosophy {
    background: rgba(0, 100, 255, 0.25);
}
*/

/* =====================================================
   ONDERSTE TEKST
   ===================================================== */

.bottom-info {
    position: absolute;
    left: 50%;
    bottom: 25px;
    transform: translateX(-50%);
    z-index: 10;

    color: rgba(240, 230, 210, 0.7);
    font-size: 14px;
    letter-spacing: 1px;
    text-align: center;
}

/* =====================================================
   INFO-SECTIE
   ===================================================== */

.info-section {
    width: 100%;
    max-width: 1500px;
    margin: 0 auto;
    padding: 0px 4vw 80px;

    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 45px;

    background: #100d0b;
}

.info-box {
    padding: 40px;
    min-height: 360px;

    background: rgba(35, 30, 27, 0.9);
    border: 1px solid rgba(217, 173, 85, 0.25);
    border-radius: 16px;
}

.info-box h2 {
    margin-bottom: 30px;
    color: #d9ad55;
    font-family: Georgia, "Times New Roman", serif;
    font-size: 30px;
    font-weight: normal;
}

.info-box p,
.info-box li {
    color: #eee7dc;
    font-size: 18px;
    line-height: 1.8;
}

.info-box p {
    margin-bottom: 22px;
}

.info-box ul {
    padding-left: 22px;
}

.info-box li {
    margin-bottom: 12px;
}

.info-box:hover {
    border-color: rgba(217, 173, 85, 0.60);
}

/* =====================================================
   BIBLIOTHEEK — KLIKBARE LINKS
   ===================================================== */

.library-links {
    padding-left: 22px;
}

.library-links li {
    margin-bottom: 12px;
}

.library-links a,
.library-links a:visited {
    color: #d9ad55 !important;
    text-decoration: none !important;
}

.library-links a:hover {
    color: #e8c574 !important;
    text-decoration: underline !important;
}

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

.site-footer {
    background: #080706;
    color: #b9b9b9;
    border-top: 1px solid rgba(217, 173, 85, 0.25);
    padding: 55px 3vw 25px;
}

.footer-main {
    text-align: center;
    padding-bottom: 50px;
}

.footer-brand h2 {
    margin: 0 0 28px;
    color: #f0ece5;
    font-family: Georgia, "Times New Roman", serif;
    font-size: 38px;
    font-weight: normal;
    letter-spacing: 2px;
}

.footer-brand p {
    margin: 0;
    color: #aaa6a0;
    font-family: Arial, sans-serif;
    font-size: 18px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 25px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);

    font-family: Arial, sans-serif;
    font-size: 18px;
}

.footer-left {
    color: #aaa6a0;
}

.footer-separator {
    margin: 0 8px;
    color: #777;
}

.footer-contact {
    color: #d9ad55;
    text-decoration: none;
}

.footer-contact:hover {
    color: #e8c574;
    text-decoration: underline;
}

.footer-top {
    color: #aaa6a0;
    text-decoration: none;
}

.footer-top:hover {
    color: #d0ccc5;
}

/* =====================================================
   RESPONSIVE — TABLET
   ===================================================== */

@media (max-width: 1200px) {
    .intro {
        width: 48vw;
        top: 15%;
    }
}

/* =====================================================
   RESPONSIVE — 900px
   ===================================================== */

@media (max-width: 900px) {

    .info-section {
        grid-template-columns: 1fr;
        padding: 50px 7%;
        gap: 25px;
    }

    .info-box {
        min-height: auto;
    }

    .navigation {
        height: 90px;
        padding: 0 5%;
    }

    .brand-name {
        font-size: 27px;
    }

    .brand-subtitle {
        font-size: 11px;
        letter-spacing: 4px;
    }

    .nav-links {
        gap: 18px;
    }

    .nav-links > a {
        font-size: 13px;
    }
}

/* =====================================================
   RESPONSIVE — 800px
   ===================================================== */

@media (max-width: 800px) {

    .hero {
        min-height: calc(66.6667vw + 90px);
        background-position: center 90px;
    }

    .navigation {
        height: 90px;
    }

    .intro {
        left: 7%;
        top: 13%;
        width: 86%;
    }

    .intro h1 {
        font-size: 42px;
    }

    .book-relativity {
        left: 23.9%;
        top: calc(90px + 26.8vw);
        width: 24.3%;
        height: 50.2%;
    }

    .book-philosophy {
        left: 51.2%;
        top: calc(90px + 26.8vw);
        width: 23.8%;
        height: 50.2%;
    }

    .choose-book {
        top: calc(90px + 18.5vw);
    }

    .bottom-info {
        display: none;
    }
}

/* =====================================================
   RESPONSIVE — 700px
   ===================================================== */

@media (max-width: 700px) {

    .navigation {
        height: 75px;
    }

    .nav-links > a {
        display: none;
    }

    .language {
        margin-left: 15px;
    }
}