:root {
    /* Luxury Branding Colors */
    --color-bg: #0a0a0a;
    --color-text: #ffffff;
    --color-text-muted: #b0b0b0;
    --color-accent: #d4af37; /* Luxury Gold */
    --color-gold: #d4af37;
    --color-gold-grad: linear-gradient(135deg, #d4af37 0%, #f1c40f 50%, #d4af37 100%);
    --color-accent-hover: #f1c40f;
    --color-border: rgba(212, 175, 55, 0.2);
    --color-surface: #121212;
    --color-gold-glow: rgba(212, 175, 55, 0.4);
    
    /* Typography */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    
    /* Spacing */
    --space-unit: 1rem;
    --container-max-width: 1200px;
    
    /* Transitions */
    --transition-smooth: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
    font-family: var(--font-main);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Layout */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 8rem 0;
}

/* Headers */
h1, h2, h3 {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.01em;
}

h1 {
    font-size: clamp(3rem, 8vw, 5rem);
    margin-bottom: 1.5rem;
}

h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: 2rem;
    position: relative;
}

.gold-line {
    width: 80px;
    height: 1px;
    background: var(--color-accent);
    margin-bottom: 1.5rem;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition-smooth);
}

nav .container {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    height: 80px;
    gap: 2rem;
}

.logo-container {
    display: flex;
    align-items: center;
    justify-self: start;
}

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

.nav-logo-img {
    width: 38px;
    height: 38px;
    object-fit: contain;
}

.logo {
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 0.02em;
    color: var(--color-text);
}

.nav-links {
    display: flex;
    gap: 1.8rem;
    list-style: none;
    align-items: center;
}

.nav-center {
    justify-self: center;
}

.nav-right {
    justify-self: end;
}

.nav-links a {
    text-decoration: none;
    color: var(--color-text);
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition-smooth);
    opacity: 0.7;
    letter-spacing: 0.05em;
}

.nav-links a:hover {
    opacity: 1;
    color: var(--color-accent);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background: linear-gradient(rgba(10, 10, 10, 0.6), rgba(10, 10, 10, 0.9)), url('https://images.unsplash.com/photo-1497366216548-37526070297c?q=80&w=1600&auto=format&fit=crop') center/cover no-repeat;
    position: relative;
    overflow: hidden;
}

.hero::after {
    display: none;
}

.hero-content {
    max-width: 800px;
}

.hero-subtitle {
    text-transform: uppercase;
    letter-spacing: 0.4em;
    font-size: 0.8rem;
    margin-bottom: 2rem;
    display: block;
    color: var(--color-accent);
    font-weight: 600;
}

.hero p {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

/* Call to Action */
.cta-button {
    display: inline-block;
    padding: 1.25rem 3rem;
    background: var(--color-gold-grad);
    color: #000;
    text-decoration: none;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-size: 0.85rem;
    transition: var(--transition-smooth);
    border: none;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(212, 175, 55, 0.5);
    filter: brightness(1.1);
}

/* About Section */
.about {
    background: var(--color-surface);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

/* Business Activities */
.activities-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.activity-card {
    padding: 3rem;
    background: linear-gradient(145deg, #161616 0%, #0c0c0c 100%);
    border: 1px solid var(--color-border);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.activity-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 2px;
    background: var(--color-gold-grad);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.activity-card:hover {
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
    transform: translateY(-10px);
    border-color: rgba(212, 175, 55, 0.5);
}

.activity-card:hover::before {
    transform: scaleX(1);
}

.activity-card h3 {
    margin-bottom: 1.5rem;
    font-size: 1.4rem;
    color: var(--color-accent);
}

.activity-card p {
    color: var(--color-text-muted);
    font-size: 1rem;
    line-height: 1.7;
}

/* Business Model & Why Choose Us */
.feature-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
}

.feature-item {
    border-left: 2px solid var(--color-accent); /* Gold accent */
    padding-left: 1.5rem;
    display: flex;
    flex-direction: column;
}

.feature-item h3 {
    line-height: 1.2;
    min-height: 2.4em;
    margin-bottom: 1rem;
}

/* Contact */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item h4 {
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
}

.contact-item a {
    color: var(--color-accent);
    text-decoration: none;
    transition: var(--transition-smooth);
    border-bottom: 1px solid transparent;
}

.contact-item a:hover {
    color: var(--color-text);
    border-bottom-color: var(--color-accent);
}

.contact-item p {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-text);
}

/* Abstract CSS Luxury Visuals */
.css-abstract-visual {
    position: relative;
    width: 100%;
    border-radius: 4px;
    overflow: hidden;
    background: #0f0f0f;
    border: 1px solid rgba(212, 175, 55, 0.15);
    box-shadow: inset 0 0 50px rgba(0,0,0,0.8);
}

.about-visual-abstract {
    aspect-ratio: 4/3;
}

.contact-visual-abstract {
    aspect-ratio: 16/9;
}

.glow-orb {
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.1) 0%, rgba(0,0,0,0) 70%);
    top: -50px;
    left: -50px;
    border-radius: 50%;
    animation: drift 15s infinite alternate ease-in-out;
}

.contact-glow {
    top: auto;
    bottom: -100px;
    right: -50px;
    left: auto;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.15) 0%, rgba(0,0,0,0) 70%);
}

.geometric-shape {
    position: absolute;
    border: 1px solid rgba(212, 175, 55, 0.2);
}

.shape-1 {
    width: 60%;
    height: 80%;
    top: 10%;
    right: 10%;
    border-radius: 2px;
    background: linear-gradient(135deg, rgba(255,255,255,0.02) 0%, rgba(0,0,0,0) 100%);
    backdrop-filter: blur(5px);
}

.shape-2 {
    width: 40%;
    height: 40%;
    bottom: 15%;
    left: 15%;
    border-radius: 50%;
    border-color: rgba(212, 175, 55, 0.1);
}

.shape-3 {
    width: 100%;
    height: 1px;
    top: 50%;
    left: 0;
    background: linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.3), transparent);
    border: none;
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.5;
}

@keyframes drift {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(30px, 40px) scale(1.1); }
}

/* Footer */
footer {
    padding: 4rem 0;
    border-top: 1px solid var(--color-border);
    background: #050505;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.footer-logo-section {
    max-width: 300px;
}

.legal-notice {
    margin-top: 2rem;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* Language Selector */
.lang-selector {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    font-weight: 500;
}

/* Preloader */
#preloader {
    position: fixed;
    inset: 0;
    z-index: 3000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
    transition: opacity 0.25s ease, visibility 0.25s ease;
}

.preloader-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.9rem;
}

.pulse-logo {
    width: 64px;
    height: 64px;
    object-fit: contain;
}

.loading-line {
    width: 84px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
    opacity: 0.85;
}

.lang-selector a {
    color: var(--color-text-muted);
    transition: color 0.3s ease;
}

.lang-selector a:hover,
.lang-selector .active-lang {
    color: var(--color-gold);
}

.lang-divider {
    color: var(--color-border);
}

/* B2B Contact Form */
.b2b-form-container {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--color-border);
    padding: 2.5rem;
    border-radius: 4px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.form-group input,
.form-group textarea {
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--color-border);
    padding: 0.75rem 0;
    color: var(--color-text);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-bottom-color: var(--color-gold);
    box-shadow: 0 1px 0 0 var(--color-gold);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.15);
}

.submit-btn {
    width: 100%;
    background: var(--color-gold-grad);
    border: none;
    color: #000;
    padding: 1.25rem;
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    cursor: pointer;
    transition: all 0.4s ease;
    text-transform: uppercase;
    margin-top: 1rem;
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.2);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(212, 175, 55, 0.4);
    filter: brightness(1.1);
}

.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
    box-shadow: 0 0 12px rgba(212, 175, 55, 0.18);
}

.form-status {
    min-height: 1.2rem;
    margin-top: 0.35rem;
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

.form-status.success {
    color: var(--color-accent);
}

.form-status.error {
    color: #ff7f7f;
}

.success-message {
    text-align: center;
    color: var(--color-gold);
    font-size: 1.1rem;
    padding: 3rem 0;
    animation: revealIn 0.8s ease forwards;
}

@keyframes revealIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Business Model Grid */
.model-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.model-step {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--color-border);
    padding: 3rem 2.5rem;
    position: relative;
    transition: var(--transition-smooth);
    backdrop-filter: blur(10px);
}

.model-step:hover {
    transform: translateY(-10px);
    border-color: var(--color-accent);
    background: rgba(255, 255, 255, 0.05);
}

.step-number {
    font-size: 1.2rem;
    font-family: var(--font-main);
    color: var(--color-accent);
    opacity: 0.8;
    position: absolute;
    top: 1.5rem;
    left: 2.5rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.step-number::after {
    content: '';
    width: 30px;
    height: 1px;
    background: var(--color-gold-grad);
    display: inline-block;
}

.model-step h3 {
    margin-top: 1.5rem;
}

.model-step:hover .step-number {
    opacity: 1;
    transform: translateX(5px);
}

.model-step h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    margin-top: 1.5rem;
}

.model-step p {
    color: var(--color-text-muted);
}

/* Footer */
footer {
    padding: 8rem 0 4rem;
    background: #050505;
    border-top: 1px solid var(--color-border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-brand p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
    max-width: 300px;
}

.footer-brand,
.footer-legal {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.footer-nav h4, 
.footer-headquarters h4, 
.footer-legal h4 {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 2rem;
    color: var(--color-text);
}

.footer-nav ul, 
.footer-legal ul {
    list-style: none;
}

.footer-nav ul li, 
.footer-legal ul li {
    margin-bottom: 1rem;
}

.footer-nav ul li a, 
.footer-legal ul li a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition-smooth);
}

.footer-nav ul li a:hover, 
.footer-legal ul li a:hover {
    color: var(--color-accent);
    padding-left: 5px;
}

.footer-headquarters p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    line-height: 1.8;
}

.footer-favicon,
.swiss-badge {
    margin-top: auto;
    padding-top: 1.8rem;
}

.footer-badge-img {
    height: 40px;
    width: auto;
    display: block;
}

.footer-logo-img {
    opacity: 0.85;
}

.footer-bottom-content {
    display: flex;
    justify-content: center;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    opacity: 0.7;
}

@media (max-width: 992px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
    }
}

@media (max-width: 600px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    footer {
        padding: 5rem 0 3rem;
    }
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: 100000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

.modal-content {
    background: var(--color-bg);
    border: 1px solid var(--color-gold);
    padding: 3rem;
    max-width: 600px;
    width: 90%;
    position: relative;
    transform: translateY(20px);
    transition: transform 0.3s ease;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-overlay.active .modal-content {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 2rem;
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: color 0.3s;
}

.modal-close:hover {
    color: var(--color-gold);
}

.modal-body p {
    margin-bottom: 1rem;
    color: var(--color-text-muted);
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .feature-item h3 {
        min-height: auto;
    }
    
    .about-grid, .contact-grid, .model-grid {
        grid-template-columns: 1fr;
    }
    
    section {
        padding: 4rem 0;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }
}