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

:root {
    /* colors */
    --primary: #efcb00;
    --black: #000;
    --gray: #000;
    --white: #fff;
    --paragraph-color: #7d7d7d;

    /* animations */
    --circle-animation-factor: scale(0.4);


    /* EDIT HERE */
    --nav-height: 80px;
    --logo-size: 100px;


    /* general sizing & spacing variables */
    --container-mw: 900px;
    --header-height: calc(100vh - var(--nav-height));
    --header-shadow-opacity: 0.4;
    --whole-padding: 2em;
    --whole-padding-doubled: 4em;
    --modal-max-width: 500px;
    --modal-content-padding: 1.8em;

    /* font */
    --main-font: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue",
    sans-serif;
}

body {
    font-family: var(--main-font);
    padding: var(--whole-padding);
}

body > main {
    display: flex;
    flex-direction: column;
    min-height: calc(100vh - var(--whole-padding-doubled));
    justify-content: space-between;
    border: 2px solid var(--black)
}

body.no-scroll {
    height: 100vh;
    overflow: hidden;
}

.container {
    width: 100%;
    max-width: var(--container-mw);
    margin-left: auto;
    margin-right: auto;
    padding-bottom: 0;
    padding-left: 15px;
    padding-right: 15px;
}

.container p {
    color: var(--gray)
}

p,
ul {
    line-height: 25px;
    word-spacing: 2px;
    padding: 10px 0;
}

ul {
    padding: 0 20px;
}

h1 span,
h2 span,
h3 span,
h4 span {
    color: var(--primary);
}

button {
    color: var(--black)
}

h2 {
    text-align: center;
    font-size: 2em;
    text-transform: uppercase;
    font-weight: 100;
    padding: 30px 0;
    margin-top: 1em;
}

h3 {
    text-align: left;
    font-size: 1.3em;
    text-transform: capitalize;
    font-weight: normal;
}

.lined {
    border-top: 1px solid var(--gray);
    border-bottom: 1px solid var(--gray);
    padding: 8px 0
}

[data-tab] {
    flex: 1 1 auto;
    display: block;
    height: 100%;
    overflow-y: auto;
    padding-bottom: 1em;
}

[data-tab] img {
    display: block;
    width: 100%;
    max-width: 500px;
    margin: 20px auto;
    text-align: center;
    border-radius: 10px;
}

p a {
    color: var(--primary);
    text-decoration: underline;
}

.upper-space {
    padding-bottom: 3rem;
}

button, .home-tab a {
    border: 2px solid var(--black);
    padding: 0.5em 1.5em;
    background-color: white;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--black);
    text-decoration: none;
    transition: all 0.2s;
}

.home-tab button, .home-tab a {
    gap: 2em;
    flex: 1 1 auto;
}

button:hover, .home-tab a:hover {
    background-color: var(--black);
    color: var(--primary)
}

/* ================ ================ ================ ================ */

.img-side {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    grid-gap: 1em;
}

.img-side .content, .img-side > div {
    grid-column: span 2 / span 2;
}

/* ================ ================ ================ ================ */

.modal {
    position: fixed;
    width: 100%;
    height: 100vh;
    top: 0;
    left: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(0, 0, 0, 0.3);
    transition: all 0.3s;
    z-index: 5;

    opacity: 0;
    pointer-events: none;
}

.modal.active {
    opacity: 1;
    pointer-events: all;
}

.modal .content {
    width: 100%;
    max-width: var(--modal-max-width);
    max-height: calc(100vh - 50px);
    background-color: var(--white);
    position: relative;
    padding: var(--modal-content-padding);
    border: 2px solid var(--black);
    overflow-y: auto;
}

.modal .x {
    width: 20px;
    height: 20px;
    top: 2em;
    right: 2em;
    position: absolute;
    border: none;
    background-color: transparent;
    cursor: pointer;
}

.modal .x:hover {
    background-color: var(--primary);
}

/* ================ ================ ================ ================ */

nav {
    width: 100%;
    height: var(--nav-height);
    border-bottom: 2px solid var(--black);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--white);
}

nav .container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

nav .container > div {
    display: flex;
}

nav .container a {
    color: var(--black);
    text-decoration: none;
}

nav .container > a > img {
    width: var(--logo-size);
    margin-top: 10px;
}

nav .container > a {
    text-transform: uppercase;
    letter-spacing: 11px;
    font-weight: 500;
    font-size: 1.2rem;
    font-weight: 500;
}

nav .container > div a {
    text-transform: capitalize;
    color: var(--black);
    padding: 10px 15px;
    transition: background-color 0.3s;
    border: 2px solid transparent;
}

nav .container > div a:hover {
    border-color: var(--primary);
}

nav .container > .mobile-list {
    display: none;
}

nav .container > button {
    border: 2px solid var(--black);
    color: var(--black);
    width: 40px;
    height: 40px;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 0;
}

nav .container > button:hover {
    background-color: var(--primary);
}

nav .container > .mobile-list.active {
    display: flex;
}

/* ================ ================ ================ ================ */

footer {
    border-top: 2px solid var(--black);
    font-size: 0.8rem;
}

footer .container {
    display: flex;
    align-items: center;
    justify-content: space-around;
}

footer a,
footer p {
    color: var(--black);
    text-decoration: none;
    letter-spacing: 1.3px;
}

footer a:hover {
    text-decoration: underline;
}

/* ================ ================ ================ ================ */

.modal .content h2 {
    padding: 0;
    text-align: center;
    margin-top: 1em;
    margin-bottom: 1em;
}

form {
    display: flex;
    flex-direction: column;
    gap: 1em;
}

form label {
    font-weight: bold;
    display: block;
    margin-bottom: 10px;
}

form input:not([type="checkbox"]), form textarea {
    width: 100%;
    padding: 10px;
    border-radius: 0;
    border: 2px solid var(--black);
    outline: none;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue",
    sans-serif;
    resize: vertical;
    font-size: 1rem;
}

form input:focus, form textarea:focus {
    border-color: var(--primary);
}

form button {
    width: 100%;
    padding: 10px 20px;
    margin-top: 10px;
    border: 2px solid var(--black);
    background-color: var(--primary);
    font-weight: bold;
    cursor: pointer;
}

form button.close {
    color: var(--black);
    background-color: var(--white);
}

form .checkboxes > label {
    font-weight: normal;
    font-size: 0.9rem;
}

/* ================ ================ ================ ================ */
.home-tab {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: 1em;
    padding-bottom: 1em;
}

.home-tab > .container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 1em;
    z-index: 2;
}

.home-tab .container header .header-spacing {
    height: 2rem;
}

.home-tab .container header h1, .home-tab .container header h2 {
    text-align: left;
    padding: 0;
}

.home-tab .container header h1 {
    font-size: 2rem;
    text-align: center;
    padding-top: 1.4em;
    padding-bottom: 1em;
}

.home-tab .container header h2 {
    font-size: 1.5rem;
    font-weight: 500;
}

.home-tab .animations-1 .moving-circle {
    width: 100px;
    height: 100px;
    position: absolute;
    top: 50%;
    left: 40%;
    transform: translate(-50%, -50%);
    opacity: 0.3;
    pointer-events: none;
}

.home-tab .animations-1 .circle-animation {
    width: 150px;
    height: 150px;
    position: absolute;
    right: 10%;
    top: 10%;
    opacity: 0.3;
    pointer-events: none;
}

.home-tab .animations-1 .two-circles-animation {
    width: 150px;
    height: 150px;
    position: absolute;
    right: 10%;
    top: 10%;
    opacity: 0.3;
    pointer-events: none;
}

.home-tab .animations-2 .circle-animation {
    width: 150px;
    height: 150px;
    position: absolute;
    left: 10%;
    bottom: 3%;
    opacity: 0.3;
    pointer-events: none;
}

.home-tab p {
    color: #727272;
}

.home-tab .buttons {
    display: flex;
    gap: 1em;
    flex-wrap: wrap;
}

.home-tab .buttons > button {
    margin-top: 1em;
    padding: 1em 3em;
    margin-left: auto;
    margin-right: auto;
}

.home-tab .roi-statement {
    text-align: center;
    margin: 2em 0;
    padding: 1.5em;
    border: 2px solid var(--primary);
    background: rgba(239, 203, 0, 0.1);
    font-size: 1.2em;
}

.home-tab .roi-statement strong {
    color: var(--black);
    font-weight: 600;
}

/* ================ ================ ================ ================ */

.projects {
    padding-bottom: 2em;
}


.projects > div {
    border-left: 2px solid var(--black);
    padding-left: 2em;
    padding-top: 2em;
    padding-bottom: 1em;
}

.projects small {
    font-weight: bold;
    color: var(--primary);
}

.projects > div > h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    font-weight: 400;
}

.projects > div:not(.modal) {
    position: relative;
}

.projects > div::after {
    content: "";
    position: absolute;
    display: block;
    top: 3em;
    left: -13px;
    width: 20px;
    height: 20px;
    border-radius: 100%;
    background-color: var(--primary);
    border: 2px solid var(--black);
}

.projects .domain-section {
    margin-bottom: 3em;
    border-left: 3px solid var(--primary);
    padding-left: 1.5em;
}

.projects .domain-section h3 {
    color: var(--primary);
    font-size: 1.4em;
    font-weight: 600;
    margin-bottom: 1em;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.projects .project {
    margin-bottom: 2em;
    padding: 1em;
    border: 1px solid #eee;
    border-radius: 4px;
    background: #fafafa;
}

.projects .project h4 {
    font-size: 1.1em;
    font-weight: 500;
    margin-bottom: 0.5em;
    color: var(--black);
}

.projects .project p {
    margin: 0.5em 0;
    font-size: 0.9em;
    line-height: 1.4;
}

.projects .project p strong {
    color: var(--black);
}

.projects .projects-intro {
    font-size: 1.1em;
    color: var(--paragraph-color);
    margin-bottom: 2.5em;
    text-align: center;
}

/* ================ ================ ================ ================ */

.impressum .legal-section {
    margin-bottom: 2.5em;
}

.impressum .legal-section h3 {
    color: var(--primary);
    font-size: 1.2em;
    font-weight: 600;
    margin-bottom: 1em;
}

.impressum .legal-section h4 {
    font-weight: 600;
    margin-bottom: 0.5em;
    color: var(--black);
}

.impressum .company-info,
.impressum .contact-info {
    margin-bottom: 1.5em;
}

.impressum .legal-section p {
    line-height: 1.6;
    margin-bottom: 1em;
}

.impressum .legal-section a {
    color: var(--primary);
    text-decoration: underline;
}

.impressum .legal-section a:hover {
    text-decoration: none;
}

/* ================ ================ ================ ================ */

.consulting {
    max-width: 900px;
    margin: 0 auto;
}

.consulting-approach,
.target-industries,
.engagement-model {
    margin-bottom: 3em;
}

.consulting h3 {
    color: var(--primary);
    font-size: 1.4em;
    font-weight: 600;
    margin-bottom: 1em;
    border-bottom: 2px solid var(--primary);
    padding-bottom: 0.5em;
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5em;
    margin-top: 1.5em;
}

.industry-card {
    padding: 1.5em;
    border: 1px solid #ddd;
    border-radius: 6px;
    background: #fafafa;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.industry-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.industry-card h4 {
    color: var(--primary);
    font-size: 1.1em;
    font-weight: 600;
    margin-bottom: 0.8em;
}

.industry-card p {
    font-size: 0.9em;
    color: var(--paragraph-color);
    line-height: 1.5;
    margin: 0;
}

.engagement-model p strong {
    color: var(--black);
    font-weight: 600;
}

.engagement-model a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}

.engagement-model a:hover {
    text-decoration: underline;
}

/* ================ ================ ================ ================ */

.partners {
    max-width: 900px;
    margin: 0 auto;
}

.partners-intro {
    margin-bottom: 3em;
    text-align: center;
}

.partners-intro p {
    font-size: 1.1em;
    color: var(--paragraph-color);
    line-height: 1.6;
}

.partnership-types {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2em;
    margin-bottom: 3em;
}

.partnership-card {
    padding: 2em;
    border: 2px solid var(--primary);
    border-radius: 8px;
    background: #fafafa;
}

.partnership-card h3 {
    color: var(--primary);
    font-size: 1.3em;
    font-weight: 600;
    margin-bottom: 1em;
    text-align: center;
}

.partnership-card > p {
    font-size: 1em;
    line-height: 1.6;
    margin-bottom: 1.5em;
}

.partnership-benefits h4 {
    color: var(--black);
    font-size: 1em;
    font-weight: 600;
    margin-bottom: 0.8em;
    margin-top: 1.5em;
}

.partnership-benefits ul {
    list-style-type: disc;
    padding-left: 1.5em;
}

.partnership-benefits li {
    margin-bottom: 0.5em;
    line-height: 1.4;
    color: var(--paragraph-color);
}

.partnership-cta {
    text-align: center;
    padding: 2em;
    background: rgba(239, 203, 0, 0.1);
    border: 1px solid var(--primary);
    border-radius: 8px;
}

.partnership-cta h3 {
    color: var(--primary);
    font-size: 1.4em;
    font-weight: 600;
    margin-bottom: 1em;
}

.partnership-cta p {
    margin-bottom: 1em;
}

.partnership-cta a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1em;
}

.partnership-cta a:hover {
    text-decoration: underline;
}

/* Technology Page Styling */
.technology {
    max-width: 800px;
    margin: 0 auto;
    color: #2d3748;
}

.tech-header {
    text-align: center;
    margin-bottom: 4em;
    padding: 3em 0;
    border-bottom: 1px solid #e2e8f0;
}

.tech-branding {
    margin-bottom: 2em;
}

.tech-logo {
    height: 300px;
    width: auto;
    max-width: 100%;
    opacity: 0.9;
}

@media (max-width: 768px) {
    .tech-logo {
        height: 200px;
    }
}

.tech-header h2 {
    font-size: 2.4em;
    font-weight: 600;
    color: #1a202c;
    margin: 0;
}

.tech-content {
    line-height: 1.8;
}

.tech-content p {
    font-size: 1.1em;
    margin-bottom: 2.5em;
    color: #2d3748;
}

.tech-content strong {
    color: #234e52;
    font-weight: 600;
}

.tech-summary {
    margin: 3em 0;
    padding: 2em;
    background: #f7fafc;
    border-left: 4px solid #319795;
    border-radius: 0 6px 6px 0;
}

.tech-summary p {
    margin: 0;
    font-size: 1.05em;
    color: #2d3748;
    font-style: italic;
}

.tech-contact {
    text-align: center;
    margin-top: 3em;
    padding-top: 2em;
    border-top: 1px solid #e2e8f0;
    font-size: 1em !important;
    margin-bottom: 1em !important;
}

.tech-contact a {
    color: #319795;
    text-decoration: none;
    font-weight: 600;
}

.tech-contact a:hover {
    text-decoration: underline;
}

/* ================ ================ ================ ================ */

.heuristics-focus {
    margin-bottom: 3em;
    padding: 2em;
    background: rgba(239, 203, 0, 0.05);
    border: 1px solid rgba(239, 203, 0, 0.3);
    border-radius: 6px;
}

.heuristics-focus h3 {
    color: var(--primary);
    font-size: 1.5em;
    font-weight: 600;
    margin-bottom: 1.5em;
    text-align: center;
}

.heuristics-focus p {
    font-size: 1em;
    line-height: 1.6;
    margin-bottom: 1.2em;
}

.heuristics-focus p:last-child {
    margin-bottom: 0;
}

.heuristics-focus strong {
    color: var(--black);
    font-weight: 600;
}

.heuristics-methodology {
    margin-bottom: 3em;
}

.heuristics-methodology h3 {
    color: var(--primary);
    font-size: 1.4em;
    font-weight: 600;
    margin-bottom: 1.5em;
    text-align: center;
    border-bottom: 2px solid var(--primary);
    padding-bottom: 0.5em;
}

.heuristics-methodology .approach-points {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5em;
}

.heuristics-methodology .point {
    background: #fafafa;
    border: 1px solid #ddd;
    border-radius: 6px;
    padding: 1.5em;
}

/* ================ ================ ================ ================ */

.about {
    max-width: 800px;
    margin: 0 auto;
}

.about .company-facts,
.about .recognition,
.about .technical-focus,
.about .leadership,
.about .current-status {
    margin-bottom: 2.5em;
    padding-bottom: 1.5em;
    border-bottom: 1px solid #eee;
}

.about .current-status {
    border-bottom: none;
}

.about h3 {
    color: var(--primary);
    font-size: 1.2em;
    font-weight: 600;
    margin-bottom: 1em;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.about p {
    margin-bottom: 0.8em;
    line-height: 1.5;
}

.about p strong {
    color: var(--black);
    font-weight: 600;
    min-width: 100px;
    display: inline-block;
}

.about ul {
    list-style-type: disc;
    padding-left: 1.5em;
}

.about li {
    margin-bottom: 0.5em;
    line-height: 1.4;
}

.about a {
    color: var(--primary);
    text-decoration: none;
}

.about a:hover {
    text-decoration: underline;
}

@media only screen and (max-width: 1250px) {
    :root {
        --whole-padding: 1em;
        --whole-padding-doubled: 2em;
    }
}

@media only screen and (max-width: 850px) {
    :root {
        --whole-padding: 0;
        --whole-padding-doubled: 0;
    }

    .heading {
        font-size: 2em;
    }

    .home-tab {
        min-height: 100vh;
        padding: 2.5em 0;
    }

    .img-side {
        grid-template-columns: 1fr;
        grid-gap: 0;
    }


    nav .container > .partials {
        display: none;
    }
    nav .container > .mobile-list {
        position: fixed;
        height: 100vh;
        width: 100%;
        top: 0;
        left: 0;
        flex-direction: column;
        background-color: var(--white);
        justify-content: center;
        z-index: 10000;
    }
    nav .container > .mobile-list a {
        font-size: 1.5em;
        text-align: center;
    }
    nav .container > .mobile-list a:hover {
        background-color: var(--primary);
    }
    nav .container > button {
        display: flex;
    }

    .home-tab {
        display: block;
        position: relative;
    }

    footer .container {
        padding: 1rem;
        flex-direction: column;
        gap: 1em;
        text-align: center;
    }
}