html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    position:relative;
    background:linear-gradient(var(--secondary-bg) 40%, var(--primary-bg) 80%, var(--glow) 100%);
    font-family: "Playfair Display";
    color: var(--text-main);
}

body::before {
content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    pointer-events: none;
    background-image:
        radial-gradient(1px 1px at 20px 30px, #fff, transparent),
        radial-gradient(1px 1px at 40px 70px, #fff, transparent),
        radial-gradient(2px 2px at 50px 160px, #fff, transparent),
        radial-gradient(1.5px 1.5px at 90px 40px, #fff, transparent),
        radial-gradient(2px 2px at 130px 80px, #fff, transparent),
        radial-gradient(1.5px 1.5px at 160px 120px, #fff, transparent);    
    background-size: 550px 550px, 350px 350px, 250px 250px, 150px 150px, 250px 250px, 150px 150px;
    background-repeat: repeat, repeat, repeat, repeat, repeat, repeat;
    opacity: 0.5;
}

.hero-section {
    position: relative;
    width: 100%;
    min-height: 100vh;
    background: url("/img/space.jpg") center bottom /cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-bottom: 150px; 
}
 

.hero-title {
    position: absolute;
    z-index: 3;
    top: 55%;
    width: 100%;
    padding: 0 15px;
    box-sizing: border-box;
    font-size: 2.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-align: center;
    text-shadow: 6px 3px 3.5px rgba(0, 0, 0, 0.8);
}

/* DESKTOP A TABLETY */

@media (min-width: 526px) {
    .hero-title {
        font-size: 4.5rem;
    }
}

@media (min-width: 768px) {
    .moon-image {
        width: 450px;
    }

    .hero-title {
        font-size: 5rem;
        top: 60%;
    }
}

/* --- Explanation --- */

.cards {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.card {
    width: 70%;
    border-radius: 51px;
    padding: 50px;
    z-index:2;
}

.card p {
    font-size: 1.5rem;
}

.card span {
    color: var(--text-muted);
}

.card h1 {
    font-size: 36px;
    margin: 0;
}

.card1 {
    background: linear-gradient(var(--glow), var(--secondary-bg));
}

.card2 {
    background: linear-gradient(var(--secondary-bg), var(--primary-bg));
}

@media (min-width:1200px) {
    .cards {
        display: block;
        position: relative;
        width: 1125px;
        height: 750px;
        margin: 0 auto;
    }

    .card {
        position: absolute;
        width: 690px;
        height: auto;
    }

    .card p {
        font-size: 1.2rem;
    }

    .card1 {
        top: 0;
        left: 0;
        z-index: 1;
    }

    .card2 {
        top: 28%;
        left: 30%;
        z-index: 2;
        box-shadow: 0px 9px 15px black;
        background: linear-gradient(var(--primary-bg), var(--glow));
    }

    .card1 #text-box {
        width: 290px;
    }
    /*
    .card2 .text-right {
        width: 650px;
        margin-left: 40px;
    }
    */
}

/* --- Calculator --- */

/* -- chci rozbor -- */

.scroll-button {
    margin: 80px 0;
}

.scroll-button a {
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: var(--text-main);
    font-size: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.4);
    width: 90%;
    border-radius: 16px;
    padding: 15px 0;
    margin: 0 auto;
    transition: 0.5s ease-out;
}

.scroll-button a:hover {
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

/* -- kalkulačka -- */

.calculator {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 40px;
    font-size: 1.4rem;
}

.calculator h1 {
    font-size: 2rem;
}

.calculator h1 span {
    display: block;
}

.calculator span {
    color: var(--text-muted);
}

.calculator a {
    text-decoration: none;
    color: var(--text-main);
    background: linear-gradient(var(--secondary-btn), var(--primary-btn));
    width: 80%;
    padding: 10px 0;
    border-radius: 16px;
    font-size: 1.5rem;
    margin-top: 30px;
    transition: 0.5s ease-out;
}

.calculator a:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 10px var(--glow);
}

.calculator p {
    margin: 2px 0;
}

@media (min-width:1200px) {
    .scroll-button a {
        max-width: 650px;
        font-size: 3rem;
    }

    .calculator p {
        max-width: 800px;
    }

    .calculator a {
        margin-top: 70px;
        max-width: 300px;
    }
}

/* --- Analyses ---*/

.rozbory {
    margin-top: 100px;
    text-align: center;
}

.rozbory .heading h1 {
    font-size: 1.7rem;
}

.rozbory .heading h1 span {
    display: block;
    color:var(--text-muted);
}

.rozbory .heading {
    margin-bottom: 60px;
}

.rozbory .boxes {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    flex-wrap: wrap;
    gap: 30px;
    margin: 0 auto;
}

.rozbory .box {
    display: flex;
    justify-content: center;
    flex-direction: column;
    width: 70%;
    height: 220px;
    padding: 20px 0;
    border: 1px solid var(--glow);
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-main);
    background: linear-gradient(color-mix(in srgb, var(--secondary-btn) 55%, transparent),
            color-mix(in srgb, var(--primary-btn) 55%, transparent));
}

.rozbory .box h1 {
    font-size: 1.4rem;
}

.rozbory .box .dash {
    display: block; 
}

.rozbory .box p {
    position: relative;
    bottom: 32%;
    margin: 0 auto;
    text-transform: uppercase;
    width: 200px;
    border-radius: 12px;
    font-size: 1.3rem;
    background-color: var(--glow);
}

.box-main {
    box-shadow: 0 4px 15px var(--glow);
}

@media (min-width: 1200px) {
    .rozbory .heading h1 {
        font-size: 2.5rem;
    }

    .rozbory .boxes {
        flex-direction: row;
        justify-content: center;
        align-items: stretch;
        width: 1000px;
    }

    .rozbory .box {
        width: calc(33.33% - 24px);
        height: 251px;
        transition: 0.5s ease-out;
    }

    .rozbory .box p {
        bottom: 34%;
    }

    .rozbory .box:hover {
        transform: translateY(-10px);
    }
}

/* --- REVIEW --- */

.recenze {
    background-color: rgba(1, 1, 3, 0.5);
    margin: 50px auto;
    padding: 10px;
    z-index:2;
}

.recenze .heading {
    text-align: center;
}

.recenze .boxes {
    display: flex;
    align-items: center;
    flex-direction: column;
    flex-wrap: wrap;
    gap: 20px;
    max-width: 1700px;
    margin: 0 auto;
}

.recenze .box {
    width: 80%;
    background: var(--primary-bg);
    border-radius: 15px;
    padding: 30px;
    z-index:3;
}

.recenze .box h1 {
    color: var(--text-muted);
}

.recenze .box p {
    font-size: 1.2rem;
}

.recenze .boxes a {
    text-decoration: none;
    color: var(--text-main);
    background: linear-gradient(var(--secondary-btn), var(--primary-btn));
    width: 80%;
    padding: 10px 0;
    border-radius: 16px;
    font-size: 1.5rem;
    text-align: center;
    margin:20px 0;
    transition: 0.5s ease-out; 
}

.recenze .boxes a:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 10px var(--glow);
}

@media (min-width:1600px) {
    .recenze .boxes {
        flex-direction:row;
        justify-content: center;
    }

    .recenze .box {
        width: 450px;
        height: 300px;
    }

    .recenze .boxes a {
        max-width: 300px;
    }
}

/* --- ABOUT ME --- */

.about-me {
    width: 75%;
    margin: 0 auto;
    line-height: 1.6;
    padding:40px;
    border-radius:24px;
    background: linear-gradient(color-mix(in srgb, var(--secondary-bg) 50%, transparent),
        color-mix(in srgb, var(--primary-bg) 30%, transparent));
}

.about-me::first-letter {
    float:left;
    font-size:4rem;
    line-height:0.8;
    margin-left:-20px;
    margin-top:-5px;
}

.about-me p {
    margin: 20px 0;
    font-size:1.2rem;
    line-height: 1.2;
}

.about-me p span {
    color:var(--text-muted);
}

@media (min-width:1200px) {
    .about-me {
        width: 60%;
        padding:50px;
        font-size:1.5rem;
        word-spacing:2.5px;
    }
}

/* --- FOOTER --- */

footer {
    background: linear-gradient(var(--glow),color-mix(in srgb, var(--primary-bg) 50%, transparent),
        color-mix(in srgb, var(--secondary-bg) 50%, transparent));
    margin-top: 100px;
    text-align: center;
    margin-bottom:0;
    padding: 20px;
    box-shadow: -2px 0 20px rgba(0, 0, 0, 0.5);
}

footer p {
    margin: 0;
}

.documents {
    display:flex;
    align-items: center;
    justify-content: space-between;
    flex-direction: column;
    gap: 20px;
    max-width: 1000px;
    margin: 40px auto;
}

.documents a {
    color:var(--text-main);
    text-decoration: none;
    font-size:1.2rem;
    transition:0.3s ease-out;
}

.documents a:hover {
    transform: translateY(-2px);
}

.personal-data {
    max-width: 1000px;
    margin: 0 auto;
    padding:0 50px;
    text-align: center;
}

.personal-data ul {
    list-style-type: none;
    padding:0;
}

.personal-data-right {
    color:rgb(255,255,255,0.5);
    font-size:0.6rem;
}

.personal-data a {
    color:var(--text-main);
    text-decoration: none;
}

.copyright {
    width: 200px;
    margin: 50px auto;
}

.creator a {
    text-decoration: none;
    color:rgb(255,255,255,0.5);
}

@media (min-width:1000px) {
    .documents {
        flex-direction: row;
        gap:0;
    }

    .copyright {
        width: 500px;
    }
    /*
    .personal-data {
    display:flex;
    justify-content: space-between;
    }
    */
}