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

img {
    display: block;
    max-width: 100%;
    height: auto;
}

@font-face {
    font-family: 'Orbitron';
    src: url('assets/fonts/Orbitron-Regular.woff2') format('woff2');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Orbitron';
    src: url('assets/fonts/Orbitron-Medium.woff2') format('woff2');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Orbitron';
    src: url('assets/fonts/Orbitron-SemiBold.woff2') format('woff2');
    font-weight: 600;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Orbitron';
    src: url('assets/fonts/Orbitron-Bold.woff2') format('woff2');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Orbitron';
    src: url('assets/fonts/Orbitron-Black.woff2') format('woff2');
    font-weight: 900;
    font-style: normal;
    font-display: swap;
}

:root {
    --site-width: 1160px;
    --padding-left-right-default: clamp(1.8rem, 5vw, 2.8rem);

    /*--- Colors ---*/
    
    /* --color4: hsl(14, 80%, 56%); */
    --color5: hsl(0, 6%, 47%);
    --color6: hsl(200, 70%, 39%);
    --color8: hsl(197, 21%, 72%);
    --color9: hsl(200, 70%, 70%);
    --color10: hsl(20, 90%, 71%);

    --color-brand-logo: hsl(39, 90%, 71%);
    --color-brand-text: hsl(14, 80%, 56%);
    --color-background1: hsl(180, 17%, 90%);
    --color-background2: hsl(0, 0%, 98%);
    --color-background3: hsl(116, 17%, 90%);
    --color-background4: hsl(200, 83%, 15%);

    --color-text-lightergrey: hsl(0, 0%, 90%);
    --color-text-lightgrey: hsl(0, 0%, 70%);
    --color-text-grey: hsl(0, 0%, 50%);
    --color-text-darkgrey: hsl(0, 0%, 30%);
    --color-text-darkergrey: hsl(0, 0%, 10%);

    --color-link: hsl(39, 71%, 75%);
    --color-link-hover: hsl(14, 70%, 59%);
    --color-link-focus: var(--color-link-hover);

    --color-heading1: hsl(200, 70%, 39%);
    --color-heading2: hsl(200, 83%, 85%);

    /*--- Color Header ---*/
    --color-header-background: hsla(199, 43%, 37%, 0);

    /* Color Logo */
    --color-logo-svg: var(--color-brand-logo);
    --color-logo-text: var(--color-brand-text);
    --color-logo-text-shadow: var(--color5);

    /* Color Primary Menu */
    --color-menu-text: var(--color-link);
    --color-menu-text-hover: var(--color-link-hover);
    --color-menu-text-focus: var(--color-link-focus);

    /* Links */
    --color-link-text: #1c7ba9;
    --color-link-text-hover: var(--color-menu-text-hover);
    --color-link-text-focus: var(--color-link-text-hover);

    /* Color Hero */
    --color-hero-scroll-text: var(--color6);
    --color-hero-scroll-background: var(--color-background1);
    --color-hero-content-box-shadow: var(--color8);

    /* Color Design */
    --color-design-background:var(--color-background1);
    --color-design-heading: var(--color-heading1);
    --color-design-icon: var(--color10);
    --color-design-text: var(--color-text-darkergrey);

    /* Color Services */
    --color-services-background:var(--color-background2);
    --color-services-heading: var(--color-heading1);
    --color-services-icon: var(--color9);
    --color-services-text: var(--color-text-darkgrey);

    /* Color References */
    --color-references-heading:var(--color-heading1);
    --color-references-text:var(--color-text-darkgrey);
    --color-references-link:var(--color-link-text);
    --color-references-link-hover:var(--color-link-hover);

    --color-references-background: var(--color-background3);

    /* Color Contact */
    --color-contact-heading:var(--color-heading2);
    --color-contact-background: var(--color-background4);
    --color-contact-text:var(--color-text-lightergrey);
    --color-contact-link:var(--color-services-icon);
    --color-contact-link-hover:var(--color-link-hover);
    /* Color Datenschutz */
    --color-datenschutz-background: var(--color-background4);
    --color-datenschutz-text: var(--color-text-lightergrey);
    --color-datenschutz-heading: var(--color-heading2);
    /* Color Impressum */
    --color-impressum-background: var(--color-background4);
    --color-impressum-text: var(--color-text-lightergrey);
    --color-impressum-heading: var(--color-heading2);

    /* Fonts */
    --font-size-logo: clamp(1rem, (2vw - 0.125rem) * 3, 1.3rem);

    --font-size-default: clamp(0.8rem, 1vw ,1rem);
    --font-size-ratio: 1.6;

    --font-size-h4: calc(var(--font-size-default) * var(--font-size-ratio));
    --font-size-h3: calc(var(--font-size-h4) * var(--font-size-ratio));
    --font-size-h2: calc(var(--font-size-h3) * var(--font-size-ratio));

    
}

html {
    font-family: Orbitron;
    letter-spacing: 0.15rem;
    line-height: 1.8rem;
    scroll-behavior: smooth;
    font-size: var(--font-size-default);
}

h1, h2, h3, h4, h5, h6 {
    letter-spacing: -0.01rem;
    padding-bottom: 3rem;
}

h2 {
    font-size: var(--font-size-h2);
    font-weight: 500;
}

h3 {
    font-size: var(--font-size-h3);
}

h4 {
    font-size: var(--font-size-h4);
}

main {
    display: flex;
    flex-direction: column;
}


header {
    max-width: 1024px;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    margin-inline: auto;
    padding: 1rem 2rem;

    position: fixed;
    z-index: 1000;
    border-radius: 25rem;
    /* backdrop-filter: blur(5px); */
    background-color: var(--color-header-background);
    top: 0;
    left: 0;
    right: 0;
    /* top: 3rem; */

    transition: all 1s ease-in-out;

    .logo {
        display: flex;
        flex-direction: row;
        align-items: center;
        gap: 0.5rem;
        text-decoration: none;
    }



    .logo-svg {
        color: var(--color-logo-svg);
        width: 48px;
        height: 48px;
    }

    .logo-text {
        font-family: Orbitron;
        font-size: var(--font-size-logo);
        color: var(--color-logo-text);
        font-weight: 600;
        text-shadow: 0 0 2px var(--color-logo-text-shadow);
        letter-spacing: 0.05rem;
        text-wrap: nowrap;
        padding: 0;
    }

    ul {
        display: flex;
        flex-direction: row;
        list-style: none;
        gap: 2rem;
        font-size: 1.2rem;
        font-family: Orbitron;
        font-weight: 500;
        letter-spacing: 0.1rem;
        padding-top: 0.2rem;
        line-height: 1.6rem;
        text-shadow: 0 0 2px var(--color-text-darkergrey);
        /* background-color: rgba(255, 235, 205, 0.192); */
    }
}

header[data-scrolled-to-top="false"] {
    top: 3rem;
    background: #366d87c0;
    max-width: 850px;
    backdrop-filter: blur(5px);
}

header[data-scrolled-to-top="true"] {
    top: 0;
    background: #366d8700;
    max-width: 1024px;
}


.primary-navigation a {
    text-decoration: none;
    color: var(--color-menu-text);
    transition: color 0.5s ease;
}

.primary-navigation a:hover,
.primary-navigation a:focus {
    color: var(--color-menu-text-hover);
}

.primary-navigation a:focus {
    color: var(--color-menu-text-focus);
}

.primary-menu-mobile-toggle {
    display: none;
    /* background-color: aqua; */
    height: 32px;
    width: 32px;
    padding-top: 0.2rem;
}

.primary-menu-icon-open {
    display: block;
    fill: var(--color-menu-text);
}

.primary-menu-icon-close {
    display: none;
    fill: var(--color-menu-text);
}

@media (width < 820px) {
    header {
        max-width: 500px !important;
        /* min-height: 25rem; */
        border-radius: 40px;
        align-items: flex-start;
        width: 98vw;
        transition: all 0.5s ease;
        /* Debug Header */
        /* background-color: black !important; */
    }

    .primary-navigation {
        position: fixed;
        left: 0;
        right: 0;
        top: 35%;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }

    header[data-visible=false] {
        min-height: 0;
        transition: all 0.5s ease;
    }
    header[data-visible=true] {
        min-height: 400px;
        transition: min-height 0.5s ease;
    }

    header[data-scrolled-to-top="true"][data-visible="true"] {
        top: 3rem;
        background: #366d87c0;
        backdrop-filter: blur(5px);
        max-width: 850px;
        transition: all 0.5s ease;
        /* .primary-navigation {
            top: 9rem;
        } */
    }

    nav {
        /* background-color: blue; */
        margin: 0.5rem;
    }

    .primary-navigation[data-visible="false"] {
        opacity: 0;
        top: -200px;
        transition: all 0.5s ease;
    }
    .primary-navigation[data-visible="true"] {
        opacity: 1;
        transition: all 0.5s ease;
    }

    .primary-menu-mobile-toggle {
        display: block;
    }
}


.hero-wrapper {
    height: 97dvh;
}

.hero-content {
    height: 100%;
    position: relative;
    --animation-duration: 50s;
    --num-images: 5;

    --image-time: calc(var(--animation-duration) / var(--num-images));

    box-shadow: 0 1px 5px var(--color-hero-content-box-shadow)
}

.hero-content img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    /* object-position: 40% 50%; */
    position: absolute;
    top: 0;
    left: 0;
    animation: fade var(--animation-duration) ease-in-out infinite forwards;
}

/* Stop the animation after scrolling */
.hero-wrapper[data-scrolled-to-top="false"] {
    .hero-content img {
        animation: none;
    }
}

/* .hero-question {
    display: flex;
    position: relative;
    background-color: rgb(220, 243, 245);
    right: 100px;
    left: 10%;
    top: 70px;
    min-height: 100px;
    max-width: 300px;
    border-radius: 15rem;
    padding: 2rem;
    justify-content: center;
    align-items: center;
    font-size:1.8rem;
}*/
.hero-answer {
    display: flex;
    position: relative;
    /* background-color: rgb(220, 243, 245);
    backdrop-filter: blur(5px); */
    /* opacity: 0.7; */
    text-shadow: 0 0 10px #1d6589;
    /* right: 10%; */
    left: 15%;
    top: 25%;
    min-height: clamp(100px, (32vw - 1.25rem) * 1, 370px);
    /* max-width: clamp(210px, (32vw - 1.25rem) * 1, 500px); */
    width: 80vw;
    text-align: center;
    /* border-radius: 15rem; */
    padding: 2rem;
    justify-content: center;
    align-items: center;
    font-size: clamp(2rem, (70vw - 5rem) * 0.2, 5rem);
    color: var(--color-text-lightergrey);
    font-weight: 500;
    line-height: 1em;
}

@media (width < 1000px) {
    .hero-answer {
        top: 35%;
    }
}

@media (width < 550px) {
    .hero-answer {
        top: 45%;
    }
}


@keyframes fade {
    0% {
        opacity: 0;
        object-position: 35% 50%;
    }

    /* = 20% / --num-images */
    4% {
        opacity: 1;
    }

    /* = 100% / --num-images */
    20% {
        opacity: 1;
        object-position: 55% 50%;
    }

    /* = (100% / --num-images) + (20% / --num-images) */
    24% {
        opacity: 0;
    }

    100% {
        opacity: 0;
        object-position: 100% 50%;
    }
}

.spacer1 {
    min-height: 300px;
}

img:nth-child(1) {
    animation-delay: calc(4 * var(--image-time));
}

img:nth-child(2) {
    animation-delay: calc(3 * var(--image-time));
}

img:nth-child(3) {
    animation-delay: calc(2 * var(--image-time));
}

img:nth-child(4) {
    animation-delay: calc(1 * var(--image-time));
}

img:nth-child(5) {
    animation-delay: 0s;
}

.hero-scroll {
    min-height: 8rem;
    align-self: center;
    padding: 0.3rem;
    color: var(--color-hero-scroll-text);
    background-color: var(--color-hero-scroll-background);
    width: 100%;
    text-align: center;
}

.hero-scroll-info {
    transition: opacity 0.5s ease;
}

.hero-scroll-svg {
    width: 48px;
    height: 48px;
    margin-top: -1.0rem;
}

.sr-only {
    padding: 0;
    position: absolute;
    overflow: hidden;
    left: -100px;
}

.link-to-content {
    position: absolute;
    left: 0;
    top: 0;
    padding: 1rem;
    z-index: 10000;
    background-color: var(--color-background1);
    text-decoration: none;
    color: var(--color-text-darkergrey);
    translate: 0 -100%;
    transition: translate 0.5s ease;
}

.link-to-content:focus {
    translate: 0;
}

/*---------------------------------
Blockelements
---------------------------------*/

.grid2-icon-text__content {
    max-width: var(--site-width);
    display: flex;
    flex-direction: column;
}

.grid2-icon-text__grid {
    align-self: center;
    display: grid;
    grid-template-columns: 1fr 1fr;
    @media screen and (width < 600px) {
        grid-template-columns: 1fr;
    }
    gap: 2.5rem;
    padding: clamp(1rem, 5vw, 2.5rem);
}

.grid2-icon-text__entry {
    display: flex;
    flex-direction: row;
    gap: 1rem;
    align-items: center;
}

.grid2-icon-text__icon {
    flex-basis: 48px;
    flex-shrink: 0;
}



/*---------------------------------
Design
---------------------------------*/

.design-wrapper {
    background-color: var(--color-design-background);
    display: flex;
    justify-content: center;
    scroll-margin-top: 150px;
}

.design-heading-style {
    /* top, right, bottom, left */
    padding: 2.5rem var(--padding-left-right-default) 0rem var(--padding-left-right-default);
    color: var(--color-design-heading);
}


.design-icon-style {
    fill: var(--color-design-icon);
}

.design-text-style {
    color: var(--color-design-text);
}

/*---------------------------------
Services
---------------------------------*/

.services-wrapper {
    background-color: var(--color-services-background);
    display: flex;
    justify-content: center;
    scroll-margin-top: 50px;
}

.services-heading-style {
    /* top, right, bottom, left */
    color: var(--color-design-heading);
    padding: 10rem 
             var(--padding-left-right-default) 
             0rem 
             var(--padding-left-right-default);
}

.services-icon-style {
    fill: var(--color-services-icon);
}

.services-text-style {
    color: var(--color-services-text);
}

/*---------------------------------
References
---------------------------------*/

.references-wrapper {
    background-color: var(--color-references-background);
    display: flex;
    flex-direction: row;
    justify-content: center;
    scroll-margin-top: 50px;
    padding-bottom: 8rem;

}


.references-content {
    max-width: 1160px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: left;
    /* background-color: aqua; */
    flex-grow: 1;
}

.references-heading {
    /* top, right, bottom, left */
    padding: 10rem 
             var(--padding-left-right-default) 
             3rem 
             var(--padding-left-right-default);
    color: var(--color-references-heading)
}

.references-heading h2 {
    padding-bottom: 0.5rem;
}

.references-text {
    padding: var(--padding-left-right-default);
    padding-bottom: 2rem;
    color: var(--color-references-text);
    /* background-color: bisque; */
}

.references-text a {
    text-decoration: none;
    color: var(--color-references-link);
    transition: color 0.5s ease;
}

.references-text a:hover,
.references-text a:focus {
    color: var(--color-references-link-hover);
    transition: color 0.5s ease;
}

/*---------------------------------
Contact
---------------------------------*/

.contact-wrapper {
    background-color: var(--color-contact-background);
    display: flex;
    flex-direction: row;
    justify-content: center;
    scroll-margin-top: 50px;
    padding-bottom: 8rem;
}


.contact-content {
    max-width: 1160px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: left;
    /* background-color: aqua; */
    flex-grow: 1;
}

.contact-heading {
    /* top, right, bottom, left */
    padding: 10rem 
             var(--padding-left-right-default) 
             2rem 
             var(--padding-left-right-default);
    color: var(--color-contact-heading);
}

.contact-heading h2 {
    padding-bottom: 0.5rem;
}

.contact-text {
    padding: var(--padding-left-right-default);
    padding-bottom: 2rem;
    color: var(--color-contact-text);
    /* background-color: bisque; */
}

.contact-text b {
    color: var(--color-brand-text);
    font-size: var(--font-size-logo);
}

.contact-text a {
    text-decoration: none;
    color: var(--color-contact-link);
    transition: color 0.5s ease;
}

.contact-text a:hover,
 .contact-text a:focus {
    color: var(--color-contact-link-hover);
    transition: color 0.5s ease;
}

/*--------------------
Footer
--------------------*/

.footer-wrapper {
    background-color: var(--color-contact-background);
    display: flex;
    flex-direction: row;
    justify-content: center;
    scroll-margin-top: 50px;
    padding-bottom: 1rem;
    flex-grow: 1;
}


.footer-content {
    max-width: 1160px;
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    align-items: center;
    /* background-color: aqua; */
    color: var(--color-contact-text);
    gap: 1rem;
}

.footer-content a {
    color: var(--color-menu-text);
    text-decoration: none;
    transition: all 0.5s ease;
}

.footer-content a:hover,
.footer-content a:focus {
    color: var(--color-menu-text-hover);
}


.datenschutz-wrapper {
    background-color: var(--color-datenschutz-background);
    display: flex;
    flex-direction: row;
    justify-content: center;
}


.datenschutz-content {
    max-width: 1160px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    /* background-color: aqua; */
    color: var(--color-datenschutz-text);
    gap: 1rem;
    padding: var(--padding-left-right-default);
}

.datenschutz-content h4 {
    padding: 2.5rem 0 1.5rem 0;
    color: var(--color-datenschutz-heading);
}

.datenschutz-content ul {
    list-style: none;
}

.datenschutz-content a {
    color: var(--color-link);
}

.datenschutz-content a:hover,
.datenschutz-content a:focus {
    color: var(--color-link-hover);
}

.impressum-wrapper {
    min-height: 100svh;
    background-color: var(--color-impressum-background);
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    padding-top: 5rem
}


.impressum-content {
    max-width: 1160px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    flex-grow: 1;
    /* background-color: aqua; */
    color: var(--color-impressum-text);
    gap: 0.3rem;
    padding: var(--padding-left-right-default);
}

.impressum-content h2 {
    color: var(--color-impressum-heading);
    padding-bottom: 1.5rem;
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none;
    }
}