/* CSS Custom Properties */
:root {
    --color-navy: #1a2744;
    --color-gold: #c8956c;
    --color-orange: #E8921F;
    --color-gray: #A0A0A0;
    --color-white: #ffffff;
    --color-light-gray: #f5f5f5;
    --color-dark-overlay: rgba(26, 39, 68, 0.95);
    
    --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s ease;
    
    --shadow-soft: 0 4px 20px rgba(26, 39, 68, 0.1);
    --shadow-medium: 0 8px 30px rgba(26, 39, 68, 0.15);
    --shadow-strong: 0 12px 40px rgba(26, 39, 68, 0.2);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-stack);
    color: var(--color-navy);
    line-height: 1.6;
    background-color: var(--color-white);
    overflow-x: hidden;
}

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

/* Utility Classes */
.hidden {
    display: none !important;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-soft);
    transition: var(--transition-smooth);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 50px;
    width: auto;
    transition: var(--transition-fast);
}

.logo:hover img {
    transform: scale(1.02);
}

/* Language Selector */
.lang-selector {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.lang-btn {
    background: none;
    border: none;
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gray);
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    transition: var(--transition-fast);
    border-radius: 4px;
}

.lang-btn:hover {
    color: var(--color-navy);
}

.lang-btn.active {
    color: var(--color-navy);
    font-weight: 600;
}

.lang-divider {
    color: var(--color-gray);
    font-size: 0.875rem;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        rgba(26, 39, 68, 0.4) 0%,
        rgba(26, 39, 68, 0.6) 100%
    );
}

.hero-content {
    text-align: center;
    color: var(--color-white);
    padding: 2rem;
    z-index: 1;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease forwards;
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 300;
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
}

.hero-tagline {
    font-size: clamp(1.125rem, 3vw, 1.5rem);
    font-weight: 300;
    letter-spacing: 0.05em;
    color: var(--color-gold);
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.scroll-indicator {
    display: block;
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 12px;
    position: relative;
}

.scroll-indicator::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    width: 4px;
    height: 8px;
    background: var(--color-gold);
    border-radius: 2px;
    transform: translateX(-50%);
    animation: scrollBounce 2s infinite;
}

@keyframes scrollBounce {
    0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
    50% { opacity: 0.5; transform: translateX(-50%) translateY(8px); }
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* About Section */
.about {
    position: relative;
    padding: 8rem 0;
    overflow: hidden;
}

.about-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.about-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.15;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    opacity: 0;
    transform: translateY(40px);
    transition: var(--transition-smooth);
}

.about-content.visible {
    opacity: 1;
    transform: translateY(0);
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 300;
    color: var(--color-navy);
    margin-bottom: 2rem;
    letter-spacing: 0.05em;
}

.section-title.center {
    text-align: center;
}

.about-text {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-navy);
    opacity: 0.85;
    margin-bottom: 1.5rem;
}

.about-text:last-child {
    margin-bottom: 0;
}

/* Focus Areas Section */
.focus-areas {
    position: relative;
    padding: 8rem 0;
    overflow: hidden;
}

.focus-areas-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.focus-areas-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.08;
}

.focus-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    margin-top: 4rem;
}

.focus-card {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(26, 39, 68, 0.08);
    border-radius: 8px;
    padding: 3rem 2rem;
    text-align: center;
    transition: var(--transition-smooth);
    opacity: 0;
    transform: translateY(40px);
}

.focus-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.focus-card:nth-child(1) { transition-delay: 0.1s; }
.focus-card:nth-child(2) { transition-delay: 0.2s; }
.focus-card:nth-child(3) { transition-delay: 0.3s; }

.focus-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-strong);
    border-color: var(--color-gold);
}

.focus-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1.5rem;
    color: var(--color-orange);
}

.focus-icon svg {
    width: 100%;
    height: 100%;
}

.focus-card h3 {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-navy);
    margin-bottom: 1rem;
}

.focus-card p {
    font-size: 0.95rem;
    color: var(--color-gray);
    line-height: 1.7;
}

/* Contact Section */
.contact {
    position: relative;
    padding: 8rem 0;
    overflow: hidden;
}

.contact-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.contact-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.12;
}

.contact-content {
    max-width: 600px;
    margin: 3rem auto 0;
    text-align: center;
    opacity: 0;
    transform: translateY(40px);
    transition: var(--transition-smooth);
}

.contact-content.visible {
    opacity: 1;
    transform: translateY(0);
}

.contact-intro {
    font-size: 1.125rem;
    color: var(--color-navy);
    margin-bottom: 2rem;
    opacity: 0.8;
}

.email-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    font-size: 1.125rem;
}

.email-label {
    font-weight: 500;
    color: var(--color-navy);
}

.email-obfuscated {
    color: var(--color-orange);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
}

.email-obfuscated:hover {
    color: var(--color-gold);
}

/* Footer */
.footer {
    background: var(--color-navy);
    color: var(--color-white);
    padding: 2rem 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.copyright {
    font-size: 0.875rem;
    opacity: 0.8;
}

.impressum-wrapper {
    position: relative;
}

.impressum-trigger {
    font-size: 0.875rem;
    color: var(--color-gold);
    cursor: pointer;
    transition: var(--transition-fast);
    border-bottom: 1px solid transparent;
}

.impressum-trigger:hover {
    border-bottom-color: var(--color-gold);
}

/* Impressum Overlay */
.impressum-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 39, 68, 0.9);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-smooth);
}

.impressum-overlay.active {
    opacity: 1;
    visibility: visible;
}

.impressum-modal {
    background: var(--color-white);
    border-radius: 8px;
    padding: 3rem;
    max-width: 500px;
    width: 90%;
    position: relative;
    transform: scale(0.95);
    transition: var(--transition-smooth);
}

.impressum-overlay.active .impressum-modal {
    transform: scale(1);
}

.impressum-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--color-gray);
    cursor: pointer;
    transition: var(--transition-fast);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.impressum-close:hover {
    color: var(--color-navy);
    background: var(--color-light-gray);
}

.impressum-modal h3 {
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--color-navy);
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--color-gold);
}

.impressum-content {
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--color-navy);
}

.impressum-content p {
    margin-bottom: 0.5rem;
}

.impressum-content strong {
    font-weight: 600;
    color: var(--color-navy);
}

.impressum-contact {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(26, 39, 68, 0.1);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .focus-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header-container {
        padding: 0.75rem 1rem;
    }
    
    .logo img {
        height: 40px;
    }
    
    .container {
        padding: 0 1.5rem;
    }
    
    .about,
    .focus-areas,
    .contact {
        padding: 5rem 0;
    }
    
    .focus-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin-top: 2.5rem;
    }
    
    .focus-card {
        padding: 2rem 1.5rem;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .impressum-modal {
        padding: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-content {
        padding: 1.5rem;
    }
    
    .section-title {
        margin-bottom: 1.5rem;
    }
    
    .email-container {
        flex-direction: column;
        gap: 0.5rem;
    }
}

/* Print Styles */
@media print {
    .header,
    .hero-scroll,
    .impressum-overlay {
        display: none !important;
    }
    
    .hero {
        min-height: auto;
        padding: 3rem 0;
    }
    
    .hero-bg::after {
        display: none;
    }
    
    body {
        color: #000;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}