:root {
    --primary: #00AECB;
    --primary-dark: #0086a0;
    --bg-deep: #030d1f;
    --bg-soft: rgba(255, 255, 255, 0.04);
    --border-soft: rgba(255, 255, 255, 0.12);
    --text-base: #F2F5FA;
    --text-muted: rgba(255, 255, 255, 0.8);
    --shadow-strong: 0 35px 90px rgba(0, 0, 0, 0.45);
}

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

body {
    margin: 0;
    font-family: 'Open Sans', 'Montserrat', sans-serif;
    color: var(--text-base);
    background: radial-gradient(circle at 15% 20%, rgba(255, 255, 255, 0.08), transparent 45%), var(--bg-deep);
    line-height: 1.6;
    min-height: 100vh;
}

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

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--text-base);
}

.container {
    width: min(1200px, 100%);
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 110px 0 90px;
}

.section-title {
    margin: 0 0 1rem 0;
    font-size: clamp(2rem, 3vw, 2.8rem);
    color: #FFFFFF;
}

.section-desc {
    max-width: 720px;
    margin-bottom: 2rem;
    color: var(--text-muted);
}

.btn,
.btn-primary,
.btn-secondary,
.notdienst-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 26px;
    border-radius: 999px;
    font-weight: 600;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.25s ease, box-shadow 0.25s ease, filter 0.25s ease;
}

.btn-primary,
.notdienst-btn,
.btn.primary {
    background: var(--primary);
    color: var(--bg-deep);
    border-color: var(--primary);
}

.btn-secondary,
.btn.secondary {
    background: transparent;
    color: #FFFFFF;
    border-color: rgba(255, 255, 255, 0.35);
}

.btn:hover,
.btn-primary:hover,
.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.35);
}

.notdienst-btn:hover {
    filter: brightness(1.1);
    box-shadow: 0 16px 30px rgba(0, 0, 0, 0.4);
}

.main-header {
    position: relative;
    background: rgba(3, 13, 31, 0.92);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
}

.main-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 18px 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-right: auto;
    justify-content: flex-start;
}

.logo .header-logo {
    width: 60px;
    height: 60px;
    object-fit: contain;
}

.logo h1 {
    margin: 0;
    font-size: 1.4rem;
    color: #FFFFFF;
    font-weight: 700;
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 1.5rem;
    margin: 0;
    padding: 0;
    font-weight: 600;
}

.main-nav a {
    position: relative;
    padding-bottom: 4px;
    color: var(--text-base);
}

.main-nav a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 2px;
    background: var(--primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.2s ease;
}

.main-nav a:hover::after,
.main-nav a.active::after {
    transform: scaleX(1);
}

.notdienst-header-btn {
    background: rgba(0, 174, 203, 0.16);
    color: var(--text-base);
    border-color: rgba(255, 255, 255, 0.35);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-base);
    font-size: 1.6rem;
}

.hero,
.hero-section {
    position: relative;
    padding: 130px 0 90px;
    overflow: hidden;
}

.hero::before,
.hero::after,
.hero-section::before,
.hero-section::after {
    content: '';
    position: absolute;
    background: rgba(255, 255, 255, 0.08);
    filter: blur(0px);
    z-index: 0;
}

.hero::before,
.hero-section::before {
    width: 440px;
    height: 440px;
    top: -150px;
    left: -120px;
    border-radius: 50% 40% 60% 40% / 40% 60% 40% 60%;
}

.hero::after,
.hero-section::after {
    width: 240px;
    height: 240px;
    bottom: -100px;
    right: -60px;
    border-radius: 50%;
}

.hero-grid,
.hero-layout,
.about-grid,
.contact-grid,
.services-grid,
.facts-grid,
.cta-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.glass-card,
.hero-card,
.service-card,
.fact-card,
.contact-card,
.timeline-card,
.principle-card,
.cta-card {
    background: var(--bg-soft);
    border: 1px solid var(--border-soft);
    border-radius: 32px;
    padding: 36px;
    box-shadow: var(--shadow-strong);
}

.hero-eyebrow,
.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.32em;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 1.2rem;
}

.hero-list,
.fact-list,
.contact-list,
.values-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.6rem;
}

.hero-list li,
.fact-list li,
.contact-list li,
.values-list li {
    position: relative;
    padding-left: 22px;
    color: var(--text-muted);
}

.hero-list li::before,
.fact-list li::before,
.values-list li::before {
    content: '\2022';
    position: absolute;
    left: 0;
    color: var(--primary);
}

.stat-grid,
.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
}

.stat-card strong,
.stat-number {
    display: block;
    font-size: 2rem;
    color: #FFFFFF;
}

.contact-card a {
    color: var(--primary);
    font-weight: 600;
}

.gallery-grid,
.values-certs ul,
.timeline-grid,
.principles-grid {
    display: grid;
    gap: 24px;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.gallery-card,
.values-item {
    background: var(--bg-soft);
    border: 1px solid var(--border-soft);
    border-radius: 28px;
    overflow: hidden;
}

.gallery-card img {
    height: 240px;
    object-fit: cover;
}

.gallery-card figcaption {
    padding: 20px;
    background: linear-gradient(180deg, transparent, rgba(3, 13, 31, 0.85));
    color: #FFFFFF;
}

.gallery-filters,
.filter-bar,
.hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.filter-button {
    padding: 10px 20px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.06);
    color: #FFFFFF;
    font-weight: 600;
    cursor: pointer;
}

.filter-button.active,
.filter-button:hover {
    background: var(--primary);
    color: var(--bg-deep);
}

.contact-section,
.contact-form-wrapper,
.contact-info-card {
    display: grid;
}

.contact-form {
    display: grid;
    gap: 16px;
}

.form-group {
    display: grid;
    gap: 6px;
}

.form-group label {
    color: var(--text-muted);
    font-weight: 600;
}

.form-control,
textarea.form-control {
    width: 100%;
    padding: 14px;
    border-radius: 18px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(2, 10, 31, 0.65);
    color: #FFFFFF;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(0, 174, 203, 0.3);
}

.checkbox-group {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

textarea {
    min-height: 120px;
}

.contact-map iframe {
    width: 100%;
    min-height: 320px;
    border: 0;
}

.main-footer {
    background: rgba(2, 10, 30, 0.95);
    padding: 60px 0 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
}

.footer-logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.footer-logo img {
    width: 120px;
    height: auto;
}

.footer-col h4 {
    color: #FFFFFF;
}

.footer-col a {
    color: var(--text-muted);
}

.footer-bottom {
    margin-top: 30px;
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
}

@media (max-width: 1024px) {
    .main-header .container {
        flex-wrap: wrap;
    }

    .notdienst-header-btn {
        display: none;
    }

    .menu-toggle {
        display: inline-flex;
        order: 2;
    }

    .main-nav {
        position: absolute;
        top: 75px;
        left: 20px;
        right: 20px;
        background: rgba(3, 13, 31, 0.97);
        border-radius: 24px;
        border: 1px solid rgba(255, 255, 255, 0.1);
        padding: 24px;
        display: none;
        flex-direction: column;
        align-items: center;
    }

    .main-nav.active {
        display: flex;
    }

    .main-nav ul {
        flex-direction: column;
        gap: 18px;
    }

    .hero-card,
    .glass-card,
    .service-card,
    .fact-card,
    .contact-card,
    .cta-card,
    .timeline-card,
    .principle-card {
        padding: 28px;
    }
}

@media (max-width: 640px) {
    .section {
        padding: 90px 0 70px;
    }

    .hero-tags,
    .filter-bar,
    .hero-actions,
    .cta-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .checkbox-group {
        flex-direction: column;
    }

    .hero-card h1,
    .section-title {
        font-size: 2.1rem;
    }

    .gallery-card img {
        height: 200px;
    }
}