/* RENI Design System Stylesheet - Light Slate & Indigo Theme */

/* Root Variables */
:root {
    --bg-color: #f5f7fa;
    --card-bg: rgba(255, 255, 255, 0.82);
    --card-border: rgba(15, 20, 44, 0.06);
    --card-border-hover: rgba(0, 136, 204, 0.25);
    --text-primary: #0f142c;
    --text-secondary: #4e5470;
    --accent-cyan: #0088cc;
    --accent-purple: #7b2cbf;
    --accent-indigo: #1b365d;
    --accent-glow: linear-gradient(135deg, #0088cc 0%, #7b2cbf 100%);
    --font-headings: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset & Base Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-color);
}

body {
    font-family: var(--font-body);
    color: var(--text-secondary);
    background-color: var(--bg-color);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    font-variant-ligatures: none;
    font-feature-settings: "liga" 0, "clig" 0;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--bg-color);
}
::-webkit-scrollbar-thumb {
    background: rgba(15, 20, 44, 0.1);
    border-radius: 5px;
    border: 2px solid var(--bg-color);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-cyan);
}

/* Background Glowing Blobs (Muted for Light Theme) */
.glow-blob {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(140px);
    opacity: 0.07;
    z-index: -1;
    pointer-events: none;
}
.blob-1 {
    top: -100px;
    left: -100px;
    background: var(--accent-cyan);
    animation: float-slow 20s infinite alternate;
}
.blob-2 {
    top: 800px;
    right: -200px;
    background: var(--accent-purple);
    animation: float-slow-reverse 25s infinite alternate;
}
.blob-3 {
    bottom: -100px;
    left: 20%;
    background: #0072ff;
    animation: float-slow 22s infinite alternate;
}

@keyframes float-slow {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(60px, 40px) scale(1.1); }
}
@keyframes float-slow-reverse {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(-50px, -60px) scale(1.05); }
}

/* Typography Utilities */
h1, h2, h3, h4 {
    font-family: var(--font-headings);
    color: var(--text-primary);
    font-weight: 600;
    line-height: 1.25;
}

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(245, 247, 250, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(15, 20, 44, 0.05);
    transition: var(--transition-smooth);
}
.header.scrolled {
    background: rgba(245, 247, 250, 0.95);
    border-bottom: 1px solid rgba(0, 136, 204, 0.15);
    box-shadow: 0 10px 30px rgba(15, 20, 44, 0.04);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 130px;
    transition: var(--transition-smooth);
}
.header.scrolled .nav-container {
    height: 85px;
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    position: relative;
    z-index: 1001;
    height: 100%;
}
.logo-img {
    height: 110px;
    width: auto;
    display: block;
    filter: drop-shadow(0 4px 10px rgba(15, 20, 44, 0.08));
    transition: var(--transition-smooth);
}
.header.scrolled .logo-img {
    height: 65px;
}
.logo-img:hover {
    transform: scale(1.03);
}

.navbar {
    display: flex;
    align-items: center;
    gap: 24px;
}
.nav-link {
    font-size: 0.95rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-smooth);
    font-weight: 500;
    position: relative;
    padding: 6px 0;
}
.nav-link:hover, .nav-link.active {
    color: var(--text-primary);
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-glow);
    transition: var(--transition-smooth);
}
.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}
.nav-btn-mobile {
    display: none;
}

/* Language Selector */
.lang-selector {
    display: flex;
    gap: 2px;
    border: 1px solid rgba(15, 20, 44, 0.08);
    border-radius: 6px;
    padding: 2px;
    background: rgba(255, 255, 255, 0.5);
}
.lang-btn {
    background: none;
    border: none;
    font-family: var(--font-headings);
    font-weight: 700;
    font-size: 0.75rem;
    padding: 4px 8px;
    border-radius: 4px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-smooth);
}
.lang-btn:hover {
    color: var(--text-primary);
}
.lang-btn.active {
    background: var(--accent-glow);
    color: #ffffff;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}
.nav-cta-btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(15, 20, 44, 0.12);
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition-smooth);
}
.nav-cta-btn:hover {
    background: var(--accent-glow);
    color: #ffffff;
    border-color: transparent;
    box-shadow: 0 0 20px rgba(0, 136, 204, 0.25);
    transform: translateY(-2px);
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero-section {
    padding: 180px 24px 80px;
    max-width: 1200px;
    margin: 0 auto;
    min-height: 90vh;
    display: flex;
    align-items: center;
}
.hero-container {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 50px;
    align-items: center;
    width: 100%;
}
.hero-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.hero-tag {
    font-family: var(--font-headings);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 2px;
    background: var(--accent-glow);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
    width: max-content;
}
.hero-title {
    font-size: 3.2rem;
    line-height: 1.15;
    font-weight: 800;
    letter-spacing: -0.5px;
}
.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.7;
}
.hero-subtitle strong {
    color: var(--text-primary);
    font-weight: 600;
}
.hero-buttons {
    display: flex;
    gap: 16px;
    margin-top: 10px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-smooth);
    cursor: pointer;
}
.btn-primary {
    background: var(--accent-glow);
    color: #ffffff;
    box-shadow: 0 10px 25px rgba(0, 136, 204, 0.15);
}
.btn-primary:hover {
    box-shadow: 0 12px 30px rgba(0, 136, 204, 0.25);
    transform: translateY(-3px);
}
.btn-secondary {
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(15, 20, 44, 0.1);
    color: var(--text-primary);
}
.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.9);
    border-color: rgba(15, 20, 44, 0.2);
    transform: translateY(-2px);
}
.btn-block {
    width: 100%;
    justify-content: center;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}
.neural-network-graphic {
    width: 100%;
    max-width: 380px;
    aspect-ratio: 1;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 40px;
    backdrop-filter: blur(16px);
    position: relative;
    box-shadow: 0 20px 50px rgba(15, 20, 44, 0.05);
}

.brain-svg {
    filter: drop-shadow(0 4px 10px rgba(0, 136, 204, 0.1));
}

.pulse-node {
    transform-origin: center;
    animation: node-pulse 3s infinite ease-in-out;
}
.pulse-node-large {
    transform-origin: center;
    animation: node-pulse-large 4s infinite ease-in-out;
}
@keyframes node-pulse {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1; filter: drop-shadow(0 0 8px #0088cc); }
}
@keyframes node-pulse-large {
    0%, 100% { opacity: 0.8; filter: drop-shadow(0 0 4px #7b2cbf); }
    50% { opacity: 1; filter: drop-shadow(0 0 14px #0088cc); }
}

.stats-badge {
    position: absolute;
    bottom: -20px;
    left: -20px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid var(--card-border-hover);
    padding: 12px 20px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 15px 30px rgba(15, 20, 44, 0.08);
    animation: float-badge 6s infinite ease-in-out alternate;
}
@keyframes float-badge {
    0% { transform: translateY(0); }
    100% { transform: translateY(-10px); }
}
.badge-icon {
    font-size: 1.4rem;
    color: var(--accent-cyan);
}
.badge-info h4 {
    font-size: 0.9rem;
    font-weight: 700;
}
.badge-info p {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Metrics Section */
.metrics-section {
    padding: 40px 24px;
    max-width: 1200px;
    margin: 0 auto;
}
.metrics-container {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(12px);
    border-radius: 16px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    padding: 30px;
    gap: 20px;
    text-align: center;
    box-shadow: 0 15px 40px rgba(15, 20, 44, 0.03);
}
.metric-card:not(:last-child) {
    border-right: 1px solid rgba(15, 20, 44, 0.06);
}
.metric-val {
    font-family: var(--font-headings);
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--accent-glow);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 5px;
}
.metric-lbl {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
    line-height: 1.4;
    padding: 0 10px;
}

/* Services Section */
.services-section {
    padding: 100px 24px;
    max-width: 1200px;
    margin: 0 auto;
}
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}
.section-title {
    font-size: 2.3rem;
    font-weight: 800;
    position: relative;
    padding-bottom: 15px;
}
.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--accent-glow);
    border-radius: 2px;
}
.section-subtitle {
    font-size: 1.05rem;
    line-height: 1.6;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
/* Grid alignment: 3 cards top, then 2 cards centered at bottom */
.services-grid > .service-card:nth-child(4),
.services-grid > .service-card:nth-child(5) {
    grid-column: span 1;
}
@media (min-width: 992px) {
    .services-grid {
        grid-template-columns: repeat(6, 1fr);
    }
    .services-grid > .service-card:nth-child(1),
    .services-grid > .service-card:nth-child(2),
    .services-grid > .service-card:nth-child(3) {
        grid-column: span 2;
    }
    .services-grid > .service-card:nth-child(4) {
        grid-column: 2 / span 2;
    }
    .services-grid > .service-card:nth-child(5) {
        grid-column: 4 / span 2;
    }
}

.service-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(12px);
    border-radius: 16px;
    padding: 35px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    transition: var(--transition-smooth);
    box-shadow: 0 10px 30px rgba(15, 20, 44, 0.02);
}
.service-card:hover {
    border-color: var(--card-border-hover);
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 136, 204, 0.08);
}
.service-icon {
    font-size: 2.2rem;
    background: var(--accent-glow);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    width: max-content;
}
.service-title {
    font-size: 1.25rem;
    font-weight: 700;
}
.service-desc {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-secondary);
}
.service-bullets {
    list-style: none;
    margin-top: auto;
    padding-top: 10px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.service-bullets li {
    font-size: 0.85rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
}
.service-bullets li i {
    color: var(--accent-cyan);
    font-size: 0.8rem;
}

/* Our Philosophy Section */
.approach-section {
    padding: 100px 24px;
    max-width: 1200px;
    margin: 0 auto;
    background: radial-gradient(circle at 10% 50%, rgba(27, 54, 93, 0.04) 0%, rgba(245, 247, 250, 0) 60%);
}
.approach-container {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 60px;
    align-items: center;
}
.approach-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}
.approach-logo-frame {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(255,255,255,0.8) 0%, rgba(255,255,255,0.4) 100%);
    border: 1px solid rgba(15, 20, 44, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 20px 40px rgba(15, 20, 44, 0.05);
    position: relative;
}
.approach-logo-frame::after {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: 50%;
    background: var(--accent-glow);
    z-index: -1;
    opacity: 0.25;
    filter: blur(8px);
}
.approach-logo-img {
    height: 110px;
    width: auto;
    filter: drop-shadow(0 4px 10px rgba(15, 20, 44, 0.08));
}

.approach-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.approach-content .section-title {
    text-align: left;
    padding-bottom: 0;
}
.approach-content .section-title::after {
    display: none;
}
.approach-divider {
    width: 60px;
    height: 3px;
    background: var(--accent-glow);
    border-radius: 2px;
}
.approach-content p {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

.philosophy-points {
    margin-top: 15px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.philosophy-point {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding-left: 15px;
    border-left: 2px solid var(--accent-cyan);
}
.philosophy-point h4 {
    font-size: 1.05rem;
    font-weight: 700;
}
.philosophy-point p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Focus Areas Section */
.focus-section {
    padding: 100px 24px;
    max-width: 1200px;
    margin: 0 auto;
}
.focus-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.focus-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 35px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    transition: var(--transition-smooth);
    box-shadow: 0 10px 30px rgba(15, 20, 44, 0.02);
}
.focus-card:hover {
    border-color: rgba(123, 44, 191, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 15px 30px rgba(123, 44, 191, 0.06);
}
.focus-badge {
    background: rgba(123, 44, 191, 0.08);
    border: 1px solid rgba(123, 44, 191, 0.18);
    color: #5a189a;
    font-size: 0.75rem;
    padding: 4px 12px;
    border-radius: 100px;
    font-weight: 600;
    width: max-content;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.focus-title {
    font-size: 1.15rem;
    font-weight: 700;
}
.focus-desc {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* Centered Glassmorphic Contact Section */
.contact-section {
    padding: 100px 24px;
    max-width: 1200px;
    margin: 0 auto;
}
.contact-wrapper {
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
}
.contact-form-frame {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(16px);
    border-radius: 24px;
    padding: 45px;
    box-shadow: 0 20px 50px rgba(15, 20, 44, 0.04);
    position: relative;
    overflow: hidden;
}
.contact-form-frame::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--accent-glow);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}
.form-title {
    font-size: 1.8rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 2px;
}
.form-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.form-label {
    font-size: 0.8rem;
    color: var(--text-primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.form-input, .form-select, .form-textarea {
    background: rgba(15, 20, 44, 0.02);
    border: 1px solid rgba(15, 20, 44, 0.08);
    border-radius: 8px;
    padding: 12px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 10px rgba(0, 136, 204, 0.15);
    background: #ffffff;
}
.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='rgba(15,20,44,0.6)' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M19.5 8.25l-7.5 7.5-7.5-7.5'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 36px;
}
.form-select option {
    background-color: #ffffff;
    color: var(--text-primary);
}
.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.form-feedback {
    font-size: 0.95rem;
    font-weight: 600;
    margin-top: 5px;
    text-align: center;
}
.form-feedback.success {
    color: #10b981;
}
.form-feedback.error {
    color: #ef4444;
}

/* Footer & Impressum Layout */
.footer {
    background: #0d1224;
    border-top: 1px solid rgba(15, 20, 44, 0.08);
    padding: 60px 24px 30px;
    margin-top: 60px;
}
.footer-container {
    max-width: 1200px;
    margin: 0 auto;
}
.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 40px;
    flex-wrap: wrap;
}
.footer-brand {
    max-width: 400px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}
.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-headings);
    font-size: 1.3rem;
    font-weight: 700;
    color: #ffffff;
}
.footer-logo-img {
    height: 40px;
}
.footer-desc {
    font-size: 0.85rem;
    color: #a3a9c9;
    line-height: 1.5;
}
.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.footer-links h4 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 5px;
    color: #ffffff;
}
.footer-links a {
    font-size: 0.85rem;
    color: #a3a9c9;
    text-decoration: none;
    transition: var(--transition-smooth);
}
.footer-links a:hover {
    color: var(--accent-cyan);
    padding-left: 3px;
}

.footer-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.08);
    margin: 30px 0;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}
.copyright {
    font-size: 0.8rem;
    color: #a3a9c9;
}
.impressum-text {
    font-size: 0.8rem;
    color: #a3a9c9;
    max-width: 500px;
    line-height: 1.4;
    text-align: right;
}
.impressum-text strong {
    color: #ffffff;
}

/* Animations on Scroll */
.fade-in {
    opacity: 0;
    transform: translateY(25px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Styles */
@media (max-width: 992px) {
    .header {
        background: rgba(245, 247, 250, 0.9);
    }
    .nav-container {
        height: 90px;
    }
    .header.scrolled .nav-container {
        height: 75px;
    }
    .logo-img {
        height: 75px;
    }
    .header.scrolled .logo-img {
        height: 60px;
    }
    .hero-container {
        grid-template-columns: 1fr;
        gap: 50px;
        text-align: center;
    }
    .hero-tag {
        margin: 0 auto;
    }
    .hero-buttons {
        justify-content: center;
    }
    .hero-title {
        font-size: 2.5rem;
    }
    .hero-visual {
        order: -1;
    }
    .neural-network-graphic {
        max-width: 320px;
        padding: 30px;
    }
    .stats-badge {
        bottom: -15px;
        left: 50%;
        transform: translateX(-50%);
        animation: none;
    }
    @keyframes float-badge {
        /* disabled on mobile */
    }
    .metrics-container {
        grid-template-columns: repeat(2, 1fr);
        padding: 20px;
    }
    .metric-card:nth-child(2) {
        border-right: none;
    }
    .metric-card:nth-child(1), .metric-card:nth-child(2) {
        margin-bottom: 15px;
        padding-bottom: 15px;
        border-bottom: 1px solid rgba(15, 20, 44, 0.06);
    }
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .approach-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    .approach-visual {
        order: -1;
    }
    .approach-logo-frame {
        width: 180px;
        height: 180px;
    }
    .approach-logo-img {
        height: 80px;
    }
    .approach-divider {
        margin: 0 auto;
    }
    .focus-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .impressum-text {
        text-align: left;
    }
}

@media (max-width: 768px) {
    .navbar {
        position: fixed;
        top: 90px;
        left: 0;
        width: 100%;
        height: calc(100vh - 90px);
        background: rgba(245, 247, 250, 0.98);
        backdrop-filter: blur(12px);
        flex-direction: column;
        padding: 40px 24px;
        gap: 24px;
        transform: translateX(100%);
        transition: var(--transition-smooth);
        border-top: 1px solid rgba(15, 20, 44, 0.08);
    }
    .header.scrolled .navbar {
        top: 75px;
        height: calc(100vh - 75px);
    }
    .navbar.open {
        transform: translateX(0);
    }
    .nav-link {
        font-size: 1.2rem;
    }
    .nav-btn-mobile {
        display: block;
        margin-top: 10px;
        padding: 12px 30px;
        border-radius: 8px;
        background: var(--accent-glow);
        color: #ffffff;
        text-decoration: none;
        font-weight: 700;
        text-align: center;
        width: 100%;
        box-shadow: 0 10px 25px rgba(0, 136, 204, 0.15);
    }
    .nav-cta-btn {
        display: none;
    }
    .mobile-toggle {
        display: block;
    }
    .hero-title {
        font-size: 2.1rem;
    }
    .metrics-container {
        grid-template-columns: 1fr;
    }
    .metric-card:not(:last-child) {
        border-right: none;
        border-bottom: 1px solid rgba(15, 20, 44, 0.06);
        padding-bottom: 15px;
        margin-bottom: 15px;
    }
    .metric-card:nth-child(2) {
        border-bottom: 1px solid rgba(15, 20, 44, 0.06);
        padding-bottom: 15px;
        margin-bottom: 15px;
    }
    .services-grid {
        grid-template-columns: 1fr;
    }
    .focus-grid {
        grid-template-columns: 1fr;
    }
    .form-row {
        grid-template-columns: 1fr;
        gap: 18px;
    }
    .contact-form-frame {
        padding: 24px;
    }
    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
    }
}