/* =============================================
   XasPar Brand — CSS Design System
   Color Palette: Urban Dark + Gold/Neon Accents
   ============================================= */

:root {
    /* Color Palette */
    --bg-night-black: #030303;
    --bg-elevated-dark: #0B0B10;
    --bg-soft-charcoal: #17171F;
    --text-primary: #F4F4F4;
    --text-secondary: #B8B8C3;
    --accent-gold: #ECBF7C;
    --accent-amber: #BA7F4A;
    --accent-violet: #C46D9A;
    --accent-blue: #768DE2;
    --accent-deep-blue: #10225A;
    
    /* Typography */
    --font-display: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.7);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.9);
}

/* =============================================
   GLOBAL STYLES
   ============================================= */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-night-black);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* =============================================
   TYPOGRAPHY
   ============================================= */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: clamp(2rem, 8vw, 4rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(1.75rem, 6vw, 3rem);
}

h3 {
    font-size: clamp(1.25rem, 4vw, 1.75rem);
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

p.lead {
    font-size: 1.125rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

a {
    color: var(--accent-blue);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--accent-gold);
}

/* =============================================
   LAYOUT & CONTAINER
   ============================================= */

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

section {
    padding: var(--spacing-2xl) 0;
}

section[id] {
    scroll-margin-top: 20px;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-violet));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* =============================================
   HERO SECTION
   ============================================= */

.hero {
    position: relative;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: var(--spacing-2xl) var(--spacing-lg);
}

.hero-background {
    position: absolute;
    inset: 0;
    background: var(--bg-night-black);
    z-index: -1;
}



.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    width: 100%;
}

.hero-logo {
    width: 100%;
    max-width: 500px;
    height: auto;
    object-fit: contain;
}

/* =============================================
   ABOUT SECTION
   ============================================= */

#about {
    background-color: var(--bg-elevated-dark);
    position: relative;
}

#about::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--accent-blue) 0%, transparent 70%);
    opacity: 0.08;
}

.about-content {
    position: relative;
    z-index: 1;
}

.about-text {
    margin-bottom: var(--spacing-xl);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

/* =============================================
   PERFORMANCE SECTION
   ============================================= */

#performance {
    background-color: var(--bg-night-black);
    position: relative;
}

#performance::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
}

.performance-benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.benefit-card {
    background: linear-gradient(135deg, var(--bg-elevated-dark), var(--bg-soft-charcoal));
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--bg-soft-charcoal);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-gold), var(--accent-violet), var(--accent-blue));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.benefit-card:hover {
    border-color: var(--accent-gold);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

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

.benefit-card h3 {
    color: var(--accent-gold);
    margin-bottom: var(--spacing-md);
}

.benefit-card p {
    color: var(--text-secondary);
    margin: 0;
}

.performance-highlight {
    background-color: var(--bg-elevated-dark);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--accent-violet);
    margin-top: var(--spacing-xl);
}

.performance-highlight p {
    color: var(--text-primary);
    margin: 0;
    line-height: 1.8;
}

/* =============================================
   GALLERY PREVIEW SECTION
   ============================================= */

#gallery {
    background-color: var(--bg-elevated-dark);
}

.gallery-note {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.gallery-placeholder {
    background: linear-gradient(135deg, var(--bg-night-black), var(--accent-deep-blue));
    border: 2px dashed var(--accent-gold);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.placeholder-content {
    color: var(--text-secondary);
}

.placeholder-content p {
    font-size: 1rem;
    margin: 0;
}

/* =============================================
   CONNECT SECTION
   ============================================= */

#connect {
    background-color: var(--bg-night-black);
}

.connect-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.booking-card,
.social-links {
    background-color: var(--bg-elevated-dark);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--bg-soft-charcoal);
}

.booking-card {
    border-top: 3px solid var(--accent-gold);
}

.social-links {
    border-top: 3px solid var(--accent-violet);
}

.booking-card h3,
.social-links h3 {
    color: var(--accent-gold);
}

.booking-instruction {
    background-color: var(--bg-soft-charcoal);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin: var(--spacing-md) 0;
    color: var(--text-primary);
}

.booking-note {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.link {
    color: var(--accent-gold);
    font-weight: 600;
}

.link:hover {
    color: var(--accent-amber);
}

.social-icons {
    display: flex;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: var(--bg-soft-charcoal);
    color: var(--text-secondary);
    font-size: 1.375rem;
    transition: all 0.3s ease;
    text-decoration: none;
    border: 1px solid transparent;
}

.social-icon:hover {
    transform: translateY(-3px);
    border-color: var(--accent-gold);
    color: var(--accent-gold);
    background-color: var(--bg-elevated-dark);
    box-shadow: 0 5px 15px rgba(236, 191, 124, 0.15);
}

/* =============================================
   FOOTER
   ============================================= */

.footer {
    background-color: var(--bg-elevated-dark);
    border-top: 1px solid var(--bg-soft-charcoal);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
    color: var(--accent-gold);
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-section p,
.footer-section ul {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.8;
}

.footer-section ul {
    list-style: none;
}

.footer-section a {
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--accent-gold);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* Scroll to top button */
.scroll-top-btn {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: 1001;
    width: 44px;
    height: 44px;
    background: rgba(11, 11, 16, 0.85);
    backdrop-filter: blur(8px);
    border: 1px solid var(--bg-soft-charcoal);
    border-radius: 50%;
    color: var(--text-primary);
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transform: translateY(8px);
    transition: opacity 0.3s ease, transform 0.3s ease, border-color 0.2s ease;
}

.scroll-top-btn.visible {
    opacity: 1;
    pointer-events: all;
    transform: translateY(0);
}

.scroll-top-btn:hover {
    border-color: var(--accent-gold);
    color: var(--accent-gold);
}

/* =============================================
   MOBILE-FIRST RESPONSIVE DESIGN
   ============================================= */

/* Extra small devices (default, mobile-first) */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    section {
        padding: var(--spacing-xl) 0;
    }

    h1 {
        font-size: clamp(1.5rem, 6vw, 2.5rem);
    }

    h2 {
        font-size: clamp(1.25rem, 5vw, 2rem);
    }

    .hero {
        min-height: 85vh;
        padding: var(--spacing-xl) var(--spacing-md);
    }

    .hero-logo {
        max-width: 300px;
    }

    .performance-benefits {
        grid-template-columns: 1fr;
    }

    .social-buttons {
        grid-template-columns: 1fr;
    }

    .connect-content {
        grid-template-columns: 1fr;
    }
}

/* Small devices (tablets) */
@media (min-width: 481px) and (max-width: 768px) {
    .performance-benefits {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Medium devices and up (desktop) */
@media (min-width: 769px) {
    .hero {
        min-height: 100vh;
        padding: var(--spacing-2xl) var(--spacing-lg);
    }

    .hero-logo {
        max-width: 600px;
    }

    .performance-benefits {
        grid-template-columns: repeat(3, 1fr);
    }

    .connect-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Large devices */
@media (min-width: 1024px) {
    .hero::before {
        width: 600px;
        height: 600px;
        top: -40%;
        right: -10%;
    }

    .hero::after {
        width: 500px;
        height: 500px;
    }
}

/* =============================================
   LANGUAGE SWITCHER
   ============================================= */

.lang-switcher {
    position: fixed;
    top: var(--spacing-md);
    right: var(--spacing-md);
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    background-color: rgba(11, 11, 16, 0.85);
    backdrop-filter: blur(8px);
    border: 1px solid var(--bg-soft-charcoal);
    border-radius: var(--radius-md);
    padding: 0.375rem 0.75rem;
}

.lang-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    cursor: pointer;
    padding: 0.25rem 0.375rem;
    border-radius: var(--radius-sm);
    transition: color 0.2s ease;
}

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

.lang-btn.active {
    color: var(--accent-gold);
}

.lang-divider {
    color: var(--bg-soft-charcoal);
    font-size: 0.75rem;
    user-select: none;
}

/* =============================================
   ACCESSIBILITY
   ============================================= */

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

    html {
        scroll-behavior: auto;
    }
}

/* Focus styles for keyboard navigation */
a:focus,
button:focus {
    outline: 2px solid var(--accent-gold);
    outline-offset: 2px;
}

/* =============================================
   LEGAL PAGES (Impressum / Datenschutz)
   ============================================= */

.legal-page {
    min-height: 100vh;
    padding: var(--spacing-2xl) 0 var(--spacing-2xl);
}

.legal-back {
    display: inline-block;
    margin-bottom: var(--spacing-xl);
    color: var(--accent-gold);
    font-size: 0.875rem;
    font-weight: 600;
}

.legal-back:hover {
    color: var(--accent-amber);
}

.legal-page h1 {
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-violet));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xl);
}

.legal-page h2 {
    font-size: 1.1rem;
    color: var(--accent-gold);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-sm);
    -webkit-text-fill-color: var(--accent-gold);
}

.legal-page h3 {
    font-size: 0.95rem;
    color: var(--text-primary);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    -webkit-text-fill-color: var(--text-primary);
}

.legal-page p,
.legal-page li {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

.legal-page ul {
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.legal-footer {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--bg-soft-charcoal);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.legal-footer a {
    color: var(--text-secondary);
    margin: 0 0.375rem;
}

.legal-footer a:hover {
    color: var(--accent-gold);
}

/* Footer legal links */
.footer-legal-links {
    margin-top: var(--spacing-sm);
    font-size: 0.8rem;
}

.footer-legal-links a {
    color: var(--text-secondary);
}

.footer-legal-links a:hover {
    color: var(--accent-gold);
}

.footer-legal-links .footer-legal-sep {
    margin: 0 0.4rem;
    color: var(--bg-soft-charcoal);
}

/* =============================================
   HAMBURGER MENU
   ============================================= */

.hamburger-btn {
    position: fixed;
    top: var(--spacing-md);
    left: var(--spacing-md);
    z-index: 1001;
    background: rgba(11, 11, 16, 0.85);
    backdrop-filter: blur(8px);
    border: 1px solid var(--bg-soft-charcoal);
    border-radius: var(--radius-md);
    padding: 0.5rem 0.625rem;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.hamburger-btn span {
    display: block;
    width: 22px;
    height: 2px;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.hamburger-btn.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.hamburger-btn.open span:nth-child(2) {
    opacity: 0;
}

.hamburger-btn.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.hamburger-overlay {
    position: fixed;
    inset: 0;
    background: rgba(3, 3, 3, 0.75);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.hamburger-overlay.open {
    opacity: 1;
    pointer-events: all;
}

.hamburger-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: min(320px, 85vw);
    height: 100vh;
    background: var(--bg-elevated-dark);
    border-right: 1px solid var(--bg-soft-charcoal);
    z-index: 1000;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    padding: var(--spacing-2xl) var(--spacing-xl);
    display: flex;
    align-items: center;
}

.hamburger-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    width: 100%;
}

.hamburger-nav ul li {
    margin-bottom: var(--spacing-lg);
}

.hamburger-nav ul li a {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 5vw, 2rem);
    font-weight: 800;
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.2s ease;
    display: block;
}

.hamburger-nav ul li a:hover {
    color: var(--accent-gold);
}

.hamburger-nav.open {
    transform: translateX(0);
}