:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f0f4ff;
  --color-border: #0331cc;
  --color-text: #0f172a;
  --color-text-muted: #475569;
  --color-primary: #0331cc;       /* Blau Akzent */
  --color-primary-soft: #e0e7ff;  /* Heller Blau-Hintergrund */
}

.logo img {
    max-height: 60px;
    width: auto;
}

.btn-primary { box-shadow: 0 8px 22px rgba(3, 49, 204, 0.25); }
.btn-secondary{color: var(--color-bg);}
.btn-secondary:hover{background: var(--color-primary);color: var(--color-bg);}
.header .logo { letter-spacing: -0.01em; }

/* --- Premium Animations, UX & Hover --- */
[data-animate] {
    opacity: 0;
    transition: opacity 0.8s ease-out, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: transform, opacity;
}

/* Standard: Slide Up */
[data-animate],
[data-animate="slide-up"] {
    transform: translateY(40px);
}

/* Slide von links */
[data-animate="slide-left"] {
    transform: translateX(-30px);
}

/* Slide von rechts */
[data-animate="slide-right"] {
    transform: translateX(30px);
}

/* Zoom In */
[data-animate="zoom-in"] {
    transform: scale(0.92);
}

/* In-View Zustand für alle */
[data-animate].in-view {
    opacity: 1;
    transform: translate(0, 0) scale(1);
}

/* Button Pulse Effekt */
@keyframes btn-pulse {
    0% { box-shadow: 0 0 0 0 rgba(3, 49, 204, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(3, 49, 204, 0); }
    100% { box-shadow: 0 0 0 0 rgba(3, 49, 204, 0); }
}

.section-hero .btn-primary {
    animation: btn-pulse 2s infinite;
}

.section-hero .btn-primary:hover {
    animation: none;
    transform: translateY(-2px);
}

/* Karten & Interaktionen */
.usp-card {
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.usp-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 4px; height: 0;
    background: var(--color-primary);
    transition: height 0.3s ease;
}

.usp-card:hover {
    background: #fff;
    border-color: var(--color-primary);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.08);
}

.usp-card:hover::before {
    height: 100%;
}

.portfolio-item {
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    border-radius: var(--radius-lg);
    padding: 1rem;
    margin: -1rem;
}

.portfolio-item:hover {
    background: var(--color-bg-alt);
}

.portfolio-item__image img {
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.6s ease;
}

.portfolio-item:hover .portfolio-item__image img {
    transform: scale(1.03) translateY(-5px);
    box-shadow: 0 25px 50px rgba(0,0,0,0.12);
}

/* Anwendungsbeispiele Cards */
.application-card {
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.application-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.application-card__image {
    overflow: hidden;
    border-radius: var(--radius-md);
}

.application-card__image img {
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.application-card:hover .application-card__image img {
    transform: scale(1.1);
}

/* Formular UX */
.contact-form .form-row input:focus,
.contact-form .form-row textarea:focus {
    transform: translateY(-2px);
    transition: all 0.3s ease;
}

/* Bild-Reveal Effekt */
.portfolio-item__image, .application-card__image, .cta-image {
    overflow: hidden;
    border-radius: var(--radius-md);
}

[data-animate] img {
    transition: transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-animate].in-view img {
    transform: scale(1);
}

[data-animate="zoom-in"] img {
    transform: scale(1.15);
}

@media (min-width: 900px) {
    .nav-desktop {
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        margin: 0;
    }
}

/* Bild-Optimierungen gegen "plumpe" Optik */
.portfolio-item__image img {
    max-height: 300px;
    width: auto;
    margin: 0 auto;
    object-fit: contain;
    background: #fdfdfd;
    border: 1px solid var(--color-border);
}

.application-card__image img {
    height: 180px; /* Etwas niedriger als Standard 200px */
}

.cta-image img {
    max-height: 250px;
    object-fit: cover;
    border-radius: 1rem;
}

/* Footer-Optimierung */
.site-footer {
    background-color: var(--color-bg-alt);
    color: var(--color-text);
    padding: 4rem 0 0; /* Unten 0, da site-footer__bottom eigenes Padding hat */
    border-top: 2px solid var(--color-primary);
}

.site-footer__inner {
    padding-bottom: 3rem;
}

.footer-heading {
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.85rem;
    margin-bottom: 1.25rem;
}

.footer-links a {
    transition: color 0.2s ease, transform 0.2s ease;
    display: inline-block;
}

.footer-links a:hover {
    color: var(--color-primary);
    transform: translateX(4px);
}

.site-footer__bottom {
    background-color: #0331cc;
    color: rgba(255, 255, 255, 0.8);
    border-top: none;
    padding: 1.5rem 0;
    margin-top: 0;
}

.site-footer__copy, 
.site-footer__note {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.8rem;
}

/* Kontaktformular */
.contact-form {
    background: var(--color-bg-alt);
    border-radius: 0.9rem;
    padding: 1.75rem 1.6rem;
    border: 1px solid var(--color-border);
}

.form-row {
    margin-bottom: 1rem;
}

.form-row label {
    display: block;
    margin-bottom: 0.3rem;
    font-size: 0.9rem;
    font-weight: 500;
}

.form-row input,
.form-row textarea {
    width: 100%;
    border-radius: 0.6rem;
    border: 1px solid var(--color-border);
    padding: 0.6rem 0.7rem;
    font: inherit;
    resize: vertical;
}

.form-row input:focus,
.form-row textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 1px var(--color-primary-soft);
}

@media (min-width: 900px) {
    .contact-layout {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 4rem;
        align-items: start;
    }
}

.section {
    padding: 5rem 0; /* Mehr Weißraum */
}

.section-alt {
    background: linear-gradient(180deg, #ffffff 0%, #f0f4ff 100%); /* Dezenter Gradient */
}

.usp-card, .portfolio-item, .application-card {
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 40px rgba(3, 49, 204, 0.04);
}

/* Nav-Toggle (Mobil-Menü) rechts ausrichten, vor Sprachauswahl */
@media (max-width: 899px) {
  .nav-toggle {
    margin-left: auto;
    display: flex; /* Stellt sicher, dass der Toggle im Breakpoint sichtbar ist */
  }
  .header-right {
    margin-left: 0.5rem; /* Kleiner Abstand zwischen Toggle und Sprache */
  }
}