@import url("https://fonts.googleapis.com/css2?family=Atkinson+Hyperlegible+Next:wght@400;500;700&family=Bricolage+Grotesque:opsz,wght@12..96,400..800&display=swap");

:root {
    --paper: #F3F4FA;
    --surface: #FFFFFF;
    --ink: #16172E;
    --ink-soft: #4A4C66;
    --line: #D9DBEA;
    --blue: #0004E0;          /* dein Markenblau */
    --on-blue: #FFFFFF;
    --blue-tint: #E4E5FF;
    --band: #0004E0;          /* große blaue Flächen: Kreis + Kontakt */
    --on-band: #FFFFFF;

    --font-display: 'Bricolage Grotesque', 'Helvetica Neue', Arial, sans-serif;
    --font-body: 'Atkinson Hyperlegible Next', 'Segoe UI', system-ui, sans-serif;

    --page-x: clamp(2rem, 6vw, 9rem);   /* ein Seitenrand für alles */
    --header-h: 7.6rem;
}

.dark-mode {
    --paper: #0B0C24;
    --surface: #14163A;
    --ink: #E8E9F7;
    --ink-soft: #A9ABC9;
    --line: #2A2D5A;
    --blue: #2f34d4;
    --on-blue: #0B0C24;
    --blue-tint: #1D2060;
    --band: #2a30c7;
    --on-band: #FFFFFF;
}

/* ---------- Basis ---------- */

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

html {
    font-size: 62.5%;
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-h);
}

body {
    font-family: var(--font-body);
    font-size: 1.7rem;
    line-height: 1.6;
    color: var(--ink);
    background: var(--paper);
    overflow-x: clip;
    transition: background-color .3s ease, color .3s ease;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

button {
    font: inherit;
    color: inherit;
    background: none;
    border: 0;
    cursor: pointer;
}

:focus-visible {
    outline: 3px solid var(--blue);
    outline-offset: 3px;
    border-radius: 6px;
}

h1, h2, h3 { font-weight: inherit; }

/* Überschriften bleiben einheitlich, das <span> aus dem Übersetzungs-
   system bekommt keine eigene Farbe mehr. */
.heading span { color: inherit; }

.heading {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(3.7rem, 5.2vw, 6.1rem);
    line-height: 1;
    letter-spacing: -0.035em;
    margin-bottom: 3.2rem;
}

/* ---------- Buttons ---------- */

.btn, .btn2, .btn-projekt {
    display: inline-flex;
    align-items: center;
    gap: .8rem;
    padding: 1.3rem 2.6rem;
    border-radius: 999px;
    border: 2px solid var(--blue);
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.2;
    transition: background-color .25s ease, color .25s ease;
}

.btn-primary, .btn2, .btn-projekt {
    background: var(--blue);
    color: var(--on-blue);
}

.btn-primary:hover, .btn2:hover, .btn-projekt:hover {
    background: transparent;
    color: var(--blue);
}

.btn-ghost {
    background: transparent;
    color: var(--blue);
}

.btn-ghost:hover {
    background: var(--blue);
    color: var(--on-blue);
}

.btn-projekt i { font-size: 1.9rem; }

/* ---------- Header ---------- */

.header {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 100;
    height: var(--header-h);
    padding: 0 var(--page-x);
    display: flex;
    align-items: center;
    gap: 2.4rem;
    transition: background-color .3s ease, box-shadow .3s ease;
}

.header.sticky {
    background: color-mix(in srgb, var(--paper) 85%, transparent);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    box-shadow: 0 1px 0 var(--line);
}

.logo {
    margin-right: auto;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 2.6rem;
    letter-spacing: -0.05em;
    color: var(--blue);
}

.navbar {
    display: flex;
    gap: 3.2rem;
}

.navbar a {
    position: relative;
    padding: .4rem 0;
    font-size: 1.6rem;
    font-weight: 500;
    color: var(--ink);
    transition: color .2s ease;
}

.navbar a::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -.2rem;
    height: 2px;
    background: var(--blue);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .3s ease;
}

.navbar a:hover::after,
.navbar a.active::after { transform: scaleX(1); }

.navbar a.active { color: var(--blue); }

/* Sprachumschalter als kleiner Segment-Schalter */
.lang-switch {
    display: flex;
    align-items: center;
    padding: .3rem;
    border: 1px solid var(--line);
    border-radius: 999px;
}

.lang-switch .lang-option {
    padding: .5rem 1.1rem;
    border-radius: 999px;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--ink-soft);
    transition: background-color .2s ease, color .2s ease;
}

.lang-switch .lang-option:hover { color: var(--ink); }

.lang-switch .lang-option.active {
    background: var(--ink);
    color: var(--paper);
}

.lang-switch .lang-sep { display: none; }

#darkMode-icon {
    width: 4.2rem;
    height: 4.2rem;
    display: grid;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: 50%;
    font-size: 2rem;
    color: var(--ink);
    transition: border-color .2s ease;
}

#darkMode-icon:hover { border-color: var(--ink); }

#menu-icon {
    display: none;
    font-size: 3.2rem;
    color: var(--ink);
}

/* ---------- Hero ---------- */

.home {
    min-height: 100vh;
    min-height: 100svh;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 4rem;
    padding: calc(var(--header-h) + 4rem) var(--page-x) 6rem;
}

.home-content h3 {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(2.2rem, 2.4vw, 3rem);
    color: var(--ink-soft);
}

.home-content h1 {
    margin: .4rem 0 1rem;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(4rem, 10vw, 14rem);
    font-variation-settings: "opsz" 96;
    line-height: .88;
    letter-spacing: -0.055em;
    color: var(--blue);
    translate: -0.03em 0;
}

.hero-lead {
    max-width: 24.5ch;
    font-size: clamp(1.8rem, 1.5vw, 2.1rem);
    color: var(--ink-soft);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1.2rem;
    margin-top: 3.2rem;
}

/* Der blaue Kreis: Erbe des alten Drehkreises. Der Punkt auf dem Ring
   springt im selben Takt um 90° weiter, in dem die Bezeichnung wechselt. */
.hero-disc {
    position: relative;
    width: min(68rem, 44vw, calc(100svh - var(--header-h) - 8rem));
    aspect-ratio: 1;
    margin-right: calc(-1 * var(--page-x) - 3vw);
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: var(--band);
    color: var(--on-band);
}

.hero-ring {
    position: absolute;
    inset: 11%;
    border: 2px solid color-mix(in srgb, var(--on-band) 40%, transparent);
    border-radius: 50%;
    animation: ringStep 12s cubic-bezier(.7, 0, .2, 1) infinite;
}

.hero-ring::after {
    content: "";
    position: absolute;
    top: -.9rem;
    left: 50%;
    width: 1.6rem;
    height: 1.6rem;
    margin-left: -.8rem;
    border-radius: 50%;
    background: var(--on-band);
}

@keyframes ringStep {
    0%, 20%   { transform: rotate(0deg); }
    25%, 45%  { transform: rotate(90deg); }
    50%, 70%  { transform: rotate(180deg); }
    75%, 95%  { transform: rotate(270deg); }
    100%      { transform: rotate(360deg); }
}

.hero-roles {
    position: relative;
    width: 66%;
    display: grid;
    text-align: center;
}

.hero-role {
    grid-area: 1 / 1;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(2.4rem, 3vw, 4.4rem);
    line-height: 1.05;
    letter-spacing: -0.02em;
    hyphens: manual;
    opacity: 0;
    animation: roleCycle 12s infinite;
    animation-delay: calc(var(--i) * 3s);
}

@keyframes roleCycle {
    0%        { opacity: 0; transform: translateY(1.4rem); }
    4%, 20%   { opacity: 1; transform: none; }
    25%, 100% { opacity: 0; transform: translateY(-1.4rem); }
}

/* ---------- Über mich ---------- */

.about {
    display: grid;
    grid-template-columns: minmax(0, 3.4fr) minmax(0, 1fr);
    align-items: center;
    gap: clamp(4rem, 7vw, 10rem);
    padding: 11rem var(--page-x) 12rem;
}

.about-text p {
    max-width: 100ch;
    font-size: clamp(1.5rem, 1.2vw, 1.75rem);
    line-height: 1.7;
}

.about-cta { margin-top: 3.2rem; }

.about-img {
    position: relative;
    width: 100%;
    max-width: 37rem;
    justify-self: end;
    margin-right: 2.4rem;
    margin-top: -1rem;
}

.about-img::before {
    content: "";
    position: absolute;
    inset: 2.4rem -2.4rem -2.4rem 2.4rem;
    border: 2px solid var(--blue);
    border-radius: 2.4rem;
}

.about-img img {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 5;
    object-fit: cover;
    object-position: center top;
    border-radius: 2.4rem;
}

/* ---------- Projekte (Akkordion) ---------- */

.services {
    padding: 5rem var(--page-x) 20rem;
}

.accordion-wrapper {
    display: flex;
    flex-direction: column;
    gap: 1.6rem;
}

.accordion-item {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 2rem;
    overflow: hidden;
    transition: border-color .25s ease;
}

.accordion-item:has(.accordion-header[aria-expanded="true"]) {
    border-color: var(--blue);
}

.accordion-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2.4rem;
    padding: 1.7rem 2.7rem;
    text-align: left;
}

.accordion-header span {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: clamp(1.7rem, 1.4vw, 2rem);
    line-height: 1.15;
    letter-spacing: -0.015em;
    color: var(--ink);
    transition: color .2s ease;
}

.accordion-header:hover span,
.accordion-header[aria-expanded="true"] span { color: var(--blue); }

.accordion-icon {
    flex-shrink: 0;
    width: 4.4rem;
    height: 4.4rem;
    display: grid;
    place-items: center;
    border: 1.5px solid var(--line);
    border-radius: 50%;
    font-size: 2.2rem;
    color: var(--ink);
    transition: transform .35s ease, background-color .25s ease, color .25s ease, border-color .25s ease;
}

.accordion-header:hover .accordion-icon {
    border-color: var(--blue);
    color: var(--blue);
}

.accordion-header[aria-expanded="true"] .accordion-icon {
    transform: rotate(45deg);
    background: var(--blue);
    border-color: var(--blue);
    color: var(--on-blue);
}

/* max-height und padding werden vom script.js animiert */
.accordion-body {
    max-height: 0;
    overflow: hidden;
    padding: 0 3.2rem;
    transition: max-height .4s ease, padding .35s ease;
}

.accordion-body.open {
    max-height: 600px;
    padding: 0 3.2rem 3.2rem;
}

.projekt-content {
    display: flex;
    flex-direction: column;
    gap: 2.4rem;
}

.projekt-bild {
    aspect-ratio: 16 / 11;
    overflow: hidden;
    border-radius: 1.6rem;
    background: var(--blue-tint);
}

.projekt-bild img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.projekt-bild--logo img {
    object-fit: contain;
    padding: 14%;
}

.projekt-tags-header {
    display: flex;
    flex-wrap: wrap;
    gap: .6rem;
    margin-bottom: 2rem;
}

.tag {
    padding: .4rem 1.2rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--ink-soft);
}

.projekt-text p {
    max-width: 72ch;
    font-size: 1.45rem;
    line-height: 1.7;
    color: var(--ink-soft);
}

.accordion-cta { margin-top: 2.8rem; }

/* Desktop: Bild links, Text + Button rechts. projekt-content wird
   "aufgelöst", damit Bild, Text und Button im selben Raster liegen. */
@media (min-width: 900px) {
    .accordion-body {
        display: grid;
        grid-template-columns: minmax(0, 34%) minmax(0, 1fr);
        grid-template-areas:
            "bild text"
            "bild cta";
        grid-template-rows: auto 1fr;
        column-gap: 4rem;
    }

    .projekt-content { display: contents; }
    .projekt-bild    { grid-area: bild; align-self: start; }
    .projekt-text    { grid-area: text; }
    .accordion-cta   { grid-area: cta; align-self: end; }
}

/* ---------- Kontakt + Footer ---------- */

.contact {
    padding: 12rem var(--page-x) 10rem;
    border-radius: 4rem 4rem 0 0;
    background: var(--band);
    color: var(--on-band);
}

.contact-mail {
    display: inline-block;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(0.7rem, 1.7vw, 3.1rem);
    line-height: 1.1;
    letter-spacing: -0.03em;
    overflow-wrap: anywhere;
    opacity: .85;
    transition: opacity .2s ease;
}

.contact-mail:hover { opacity: 1; }

.contact-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.6rem 3.6rem;
    margin-top: 4rem;
    font-size: 1.8rem;
}

.contact-meta a {
    display: inline-flex;
    align-items: center;
    gap: .8rem;
    opacity: .85;
    transition: opacity .2s ease;
}

.contact-meta a:hover { opacity: 1; }
.contact-meta i { font-size: 2.4rem; }

.contact :focus-visible { outline-color: var(--on-band); }

.footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2.4rem var(--page-x);
    background: var(--band);
    color: var(--on-band);
    border-top: 1px solid color-mix(in srgb, var(--on-band) 20%, transparent);
    font-size: 1.4rem;
}

.footer-iconTop a {
    width: 4.4rem;
    height: 4.4rem;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: var(--on-band);
    font-size: 2.2rem;
    transition: transform .25s ease;
}

.footer-iconTop a:hover { transform: translateY(-3px); }
#pfeiloben { color: var(--band); }

/* Der alte Mobil-Hinweis wird nicht mehr gebraucht */
.mobile-hint { display: none; }

/* ---------- Tablet & Handy ---------- */

@media (max-width: 900px) {
    .header { gap: 1.2rem; }

    #menu-icon { display: block; }

    .navbar {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        display: none;
        flex-direction: column;
        gap: 0;
        padding: 1rem var(--page-x) 2.4rem;
        background: var(--paper);
        border-bottom: 1px solid var(--line);
        box-shadow: 0 1.2rem 2.4rem rgba(22, 23, 46, .08);
    }

    .navbar.active { display: flex; }

    .navbar a {
        padding: 1.4rem 0;
        font-family: var(--font-display);
        font-size: 2.4rem;
        font-weight: 600;
    }

    .navbar a::after { display: none; }

    .home {
        grid-template-columns: 1fr;
        align-content: center;
        gap: 2rem;
        padding-bottom: 0;
    }

    .hero-disc {
        width: min(86vw, 46rem);
        justify-self: end;
        margin-right: calc(-1 * var(--page-x));
        margin-bottom: -6rem;
    }

        .about {
        grid-template-columns: 1fr;
        gap: 0;
        padding-top: 14rem;
    }

    /* Überschrift, Bild, Text, Button */
    .about-content { display: contents; }

    .about .heading { order: 1; }
    .about-img      { order: 2; }
    .about-text     { order: 3; }
    .about-cta      { order: 4; }

    .about-img {
        max-width: 32rem;
        justify-self: start;
        margin-top: 0;
        /* Platz für den versetzten blauen Rahmen unter dem Bild */
        margin-bottom: 5.6rem;
    }

    .accordion-header { padding: 2.2rem 2.2rem; }
    .accordion-body   { padding: 0 2.2rem; }
    .accordion-body.open { max-height: none; padding: 0 2.2rem 2.4rem; }

    /* Auf dem Handy erst der Text, dann die Tags */
    .projekt-text { display: flex; flex-direction: column; }
    .projekt-text p { order: 1; }
    .projekt-text .projekt-tags-header { order: 2; margin: 2rem 0 0; }

    .contact { border-radius: 2.8rem 2.8rem 0 0; padding-top: 9rem; }
}

@media (max-width: 480px) {
    .lang-switch .lang-option { padding: .4rem .8rem; }
    #darkMode-icon { width: 3.8rem; height: 3.8rem; }
    .accordion-icon { width: 3.8rem; height: 3.8rem; font-size: 2rem; }

    .footer {
        flex-direction: column-reverse;
        gap: 1.7rem;
    }
    
}

/* ---------- Weniger Bewegung, wenn gewünscht ---------- */

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }

    .hero-ring { animation: none; }

    .hero-role {
        grid-area: auto;
        opacity: 1;
        animation: none;
        font-size: clamp(2rem, 2.2vw, 3rem);
    }

    *, *::before, *::after { transition-duration: .01ms !important; }
}

/* ---------- Kleine Handys (unter 400px) ----------
   Reihenfolge: Begrüßung, Name, Satz, Kreis, Buttons.
   Kreis und Buttons stehen im HTML an verschiedenen Stellen. Mit
   display: contents wird .home-content "aufgelöst", seine Kinder werden
   direkte Rasterelemente von .home und lassen sich per order sortieren. */

@media (max-width: 413px) {

    .home {
        gap: 0;
        padding-bottom: 4rem;
    }

    .home-content { display: contents; }

    .home-content h3,
    .home-content h1,
    .hero-lead    { order: 1; }
    .hero-disc    { order: 2; }
    .hero-actions { order: 3; }

    .home-content h1 { margin: .4rem 0 2rem; }

    /* Kreis vollständig sichtbar und mittig */
    .hero-disc {
        width: 80vw;
        justify-self: center;
        margin: 3.2rem 0;
    }

    .about-img { display: none; }
        .hero-actions { display: none; }
        

            /* Kompaktere Abstände zwischen den Bereichen */
    .home {
        min-height: auto;
        padding-bottom: 0;
    }

    .hero-disc { margin: 3.4rem 0 0; }

    .about    { padding: 6rem var(--page-x); }
    .services { padding: 1rem var(--page-x) 8rem; }
    .contact  { padding: 3rem var(--page-x);
    margin-top: 2rem; }

    .heading  { margin-bottom: 1.7rem;
    margin-top: 3rem; }
}

/* Button im Akkordion rechtsbündig, auf einer Linie mit dem Plus-Kreis */
.accordion-cta {
    display: flex;
    justify-content: flex-end;
}