/* Salta Website - Central CSS File */

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

:root {
    --primary-black: #0a0a0a;
    --secondary-black: #1a1a1a;
    --accent-silver: #c0c0c0;
    --accent-silver-light: #e8e8e8;
    --accent-silver-dark: #808080;
    --accent-white: #ffffff;
    --accent-orange: #ff6b35;
    --text-white: #ffffff;
    --text-gray: #cccccc;
    --text-light-gray: #999999;
    --gradient-primary: linear-gradient(135deg, #c0c0c0, #ffffff);
    --gradient-secondary: linear-gradient(135deg, #e8e8e8, #c0c0c0);
    --gradient-silver: linear-gradient(135deg, #808080, #c0c0c0, #ffffff);
    --tube-glow: rgba(255, 255, 255, 0.8);
    --tube-light: rgba(255, 255, 255, 0.4);
}

body {
    font-family: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--primary-black);
    color: var(--text-white);
    line-height: 1.7;
    overflow-x: hidden;
    font-weight: 400;
    letter-spacing: -0.01em;
    transition: overflow 0.3s ease;
}

body.mobile-nav-open {
    overflow: hidden;
}

/* Prevent text selection on non-interactive elements */
h1, h2, h3, h4, h5, h6, p, span, div:not([role="button"]):not([onclick]):not(.cta-button):not(.angebot-link):not(.project-link):not(.submit-button):not(.back-link):not(.select-trigger):not(.select-option):not(a) {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* Ensure all links are clickable */
a, a * {
    -webkit-user-select: auto;
    -moz-user-select: auto;
    -ms-user-select: auto;
    user-select: auto;
    cursor: pointer;
    pointer-events: auto;
}

/* Specific rules for card links */
.angebot-link, .project-link {
    pointer-events: auto;
    cursor: pointer;
    -webkit-user-select: auto;
    -moz-user-select: auto;
    -ms-user-select: auto;
    user-select: auto;
    position: relative;
    z-index: 10;
    display: inline-block;
}

/* Ensure card links are always clickable */
.angebot-card .angebot-link,
.project-card .project-link {
    pointer-events: auto;
    cursor: pointer;
    z-index: 10;
    position: relative;
}

/* Touch device optimizations */
.touch-device * {
    -webkit-tap-highlight-color: rgba(192, 192, 192, 0.1);
    tap-highlight-color: rgba(192, 192, 192, 0.1);
}

.touch-device .cta-button,
.touch-device .angebot-link,
.touch-device .project-link,
.touch-device .submit-button,
.touch-device .mobile-menu-toggle {
    -webkit-tap-highlight-color: rgba(192, 192, 192, 0.2);
    tap-highlight-color: rgba(192, 192, 192, 0.2);
}

/* Static Background */
.bg-static {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background: radial-gradient(circle at 20% 50%, rgba(192, 192, 192, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 40% 80%, rgba(192, 192, 192, 0.06) 0%, transparent 50%);
}

/* Floating Particles */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
    will-change: transform;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--accent-silver);
    border-radius: 50%;
    animation: float 15s infinite linear;
    opacity: 0.6;
    will-change: transform;
}

.particle:nth-child(odd) {
    background: var(--accent-silver);
    animation-duration: 20s;
}

@keyframes float {
    0% {
        transform: translateY(100vh) translateX(0);
        opacity: 0;
    }
    10% {
        opacity: 0.6;
    }
    90% {
        opacity: 0.6;
    }
    100% {
        transform: translateY(-100px) translateX(100px);
        opacity: 0;
    }
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(192, 192, 192, 0.2);
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: block;
    height: 40px;
    width: auto;
    transition: all 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 0 20px rgba(192, 192, 192, 0.5));
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-white);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: all 0.3s ease;
    position: relative;
    letter-spacing: -0.01em;
    cursor: pointer;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-silver);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-links a:hover {
    color: var(--accent-silver);
    text-shadow: 0 0 10px rgba(192, 192, 192, 0.5);
}

/* Main Content */
.main {
    padding-top: 100px;
    min-height: 100vh;
}

/* Hero Section - Default for sub-pages */
.hero {
    padding: 4rem 2rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    min-height: auto;
    display: block;
    height: auto;
}

/* Hero for main page - full screen */
.hero.hero-fullscreen {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    padding: 2rem;
    overflow: hidden;
    max-width: none;
    margin: 0;
}

/* Sub-page specific styles */
.hero h1 {
    font-size: 3.5rem;
    font-weight: 200;
    font-family: 'Inter', sans-serif;
    margin-bottom: 2rem;
    background: linear-gradient(135deg, #ffffff, #c0c0c0, #e8e8e8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.03em;
    line-height: 1.1;
}

.hero p {
    font-size: 1.3rem;
    color: var(--text-gray);
    margin-bottom: 3rem;
    line-height: 1.8;
    font-weight: 400;
    letter-spacing: -0.01em;
}

.hero-content {
    max-width: 800px;
    z-index: 10;
}

.hero h1 {
    font-size: 4.5rem;
    font-weight: 300;
    font-family: 'Inter', sans-serif;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #ffffff, #c0c0c0, #e8e8e8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: glow 3s ease-in-out infinite alternate;
    letter-spacing: -0.03em;
    line-height: 1.1;
}

@keyframes glow {
    from {
        text-shadow: 0 0 20px rgba(192, 192, 192, 0.5);
    }
    to {
        text-shadow: 0 0 30px rgba(192, 192, 192, 0.7), 0 0 40px rgba(255, 255, 255, 0.4);
    }
}

.hero p {
    font-size: 1.3rem;
    color: var(--text-gray);
    margin-bottom: 2.5rem;
    line-height: 1.8;
    font-weight: 400;
    letter-spacing: -0.01em;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* CTA Button */
.cta-button {
    display: inline-block;
    padding: 1.2rem 2.5rem;
    background: var(--gradient-silver);
    color: var(--primary-black);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    font-family: 'Inter', sans-serif;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(192, 192, 192, 0.3);
    position: relative;
    overflow: hidden;
    letter-spacing: -0.01em;
    cursor: pointer;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(192, 192, 192, 0.5);
}

/* Section Titles */
.section-title {
    font-size: 3.5rem;
    font-weight: 200;
    font-family: 'Inter', sans-serif;
    margin-bottom: 4rem;
    background: linear-gradient(135deg, #ffffff, #c0c0c0, #e8e8e8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.03em;
    line-height: 1.1;
    position: relative;
    display: inline-block;
    width: 100%;
    text-align: center;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, transparent, #c0c0c0, transparent);
    opacity: 0.8;
    border-radius: 2px;
}

/* About Section */
.about {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.about-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.about-card {
    background: rgba(26, 26, 26, 0.6);
    padding: 2rem;
    border-radius: 24px;
    border: 1px solid rgba(192, 192, 192, 0.15);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(20px);
    transform-style: preserve-3d;
    perspective: 1000px;
}

.about-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--accent-silver), transparent);
    transform: scaleX(0);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: left;
}

.about-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(192, 192, 192, 0.05), rgba(255, 255, 255, 0.02));
    opacity: 0;
    transition: opacity 0.4s ease;
    border-radius: 24px;
}

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

.about-card:hover::after {
    opacity: 1;
}

.about-card:hover {
    transform: translateY(-15px) rotateX(5deg) rotateY(2deg);
    box-shadow: 
        0 25px 50px rgba(192, 192, 192, 0.12),
        0 0 0 1px rgba(192, 192, 192, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.08);
    border-color: rgba(192, 192, 192, 0.24);
}

.about-card h3 {
    font-size: 1.4rem;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    margin-bottom: 1.2rem;
    color: var(--accent-silver);
    letter-spacing: -0.01em;
}

.about-card p {
    color: var(--text-gray);
    line-height: 1.7;
    font-size: 1rem;
    font-weight: 400;
    letter-spacing: -0.01em;
}

/* Angebote Section */
.angebote {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.angebote-container {
    max-width: 1200px;
    margin: 0 auto;
}

.angebote-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.angebot-card {
    background: rgba(26, 26, 26, 0.5);
    padding: 3rem;
    border-radius: 28px;
    border: 1px solid rgba(192, 192, 192, 0.1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: visible;
    text-align: center;
    backdrop-filter: blur(25px);
    transform-style: preserve-3d;
    perspective: 1000px;
}

.angebot-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--accent-silver), var(--accent-white), var(--accent-silver), transparent);
    transform: scaleX(0);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: left;
    pointer-events: none;
}

.angebot-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(192, 192, 192, 0.08), rgba(255, 255, 255, 0.03));
    opacity: 0;
    transition: opacity 0.5s ease;
    border-radius: 28px;
    pointer-events: none;
}

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

.angebot-card:hover::after {
    opacity: 1;
}

.angebot-card:hover {
    transform: translateY(-20px) rotateX(8deg) rotateY(3deg) scale(1.02);
    box-shadow: 
        0 30px 60px rgba(192, 192, 192, 0.16),
        0 0 0 1px rgba(192, 192, 192, 0.12),
        inset 0 1px 0 rgba(255, 255, 255, 0.12);
    border-color: rgba(192, 192, 192, 0.32);
}

.angebot-card h3 {
    font-size: 2rem;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    margin-bottom: 1.5rem;
    color: var(--accent-silver);
    letter-spacing: -0.01em;
}

.angebot-card p {
    color: var(--text-gray);
    margin-bottom: 2rem;
    line-height: 1.7;
    font-size: 1.2rem;
    font-weight: 400;
    letter-spacing: -0.01em;
}

.angebot-link {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    background: transparent;
    color: var(--accent-silver);
    text-decoration: none;
    border: 1px solid var(--accent-silver);
    border-radius: 25px;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 500;
    font-size: 0.9rem;
    font-family: 'Inter', sans-serif;
    letter-spacing: -0.01em;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transform-style: preserve-3d;
}

.angebot-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(192, 192, 192, 0.1), transparent);
    transition: left 0.3s ease;
}

.angebot-link:hover::before {
    left: 100%;
}

.angebot-link:hover {
    background: var(--accent-silver);
    color: var(--primary-black);
    box-shadow: 
        0 8px 25px rgba(192, 192, 192, 0.4),
        0 0 0 1px rgba(192, 192, 192, 0.2);
    transform: translateY(-2px) scale(1.05);
}

/* Projects Section */
.projects {
    padding: 6rem 2rem;
    background: rgba(26, 26, 26, 0.5);
}

.projects-container {
    max-width: 1200px;
    margin: 0 auto;
}

.projects-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.project-card {
    background: rgba(10, 10, 10, 0.7);
    border-radius: 32px;
    padding: 3rem;
    border: 1px solid rgba(192, 192, 192, 0.1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: visible;
    text-align: center;
    backdrop-filter: blur(30px);
    transform-style: preserve-3d;
    perspective: 1000px;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, transparent, var(--accent-silver), var(--accent-white), var(--accent-silver), transparent);
    transform: scaleX(0);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: left;
    pointer-events: none;
}

.project-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(192, 192, 192, 0.1), rgba(255, 255, 255, 0.05));
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: 32px;
    pointer-events: none;
}

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

.project-card:hover::after {
    opacity: 1;
}

.project-card:hover {
    transform: translateY(-25px) rotateX(10deg) rotateY(5deg) scale(1.03);
    box-shadow: 
        0 35px 70px rgba(192, 192, 192, 0.2),
        0 0 0 1px rgba(192, 192, 192, 0.16),
        inset 0 1px 0 rgba(255, 255, 255, 0.16);
    border-color: rgba(192, 192, 192, 0.4);
}

.project-card h3 {
    font-size: 2rem;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    margin-bottom: 1.5rem;
    color: var(--accent-silver);
    letter-spacing: -0.01em;
}

.project-card p {
    color: var(--text-gray);
    margin-bottom: 2rem;
    line-height: 1.7;
    font-size: 1.2rem;
    font-weight: 400;
    letter-spacing: -0.01em;
}

.project-link {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    background: transparent;
    color: var(--accent-silver);
    text-decoration: none;
    border: 1px solid var(--accent-silver);
    border-radius: 25px;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 500;
    font-size: 0.9rem;
    font-family: 'Inter', sans-serif;
    letter-spacing: -0.01em;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transform-style: preserve-3d;
}

.project-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(192, 192, 192, 0.1), transparent);
    transition: left 0.3s ease;
}

.project-link:hover::before {
    left: 100%;
}

.project-link:hover {
    background: var(--accent-silver);
    color: var(--primary-black);
    box-shadow: 
        0 8px 25px rgba(192, 192, 192, 0.4),
        0 0 0 1px rgba(192, 192, 192, 0.2);
    transform: translateY(-2px) scale(1.05);
}

/* Coming Soon Text */
.coming-soon-text {
    font-size: 2.5rem;
    font-weight: 300;
    font-family: 'Inter', sans-serif;
    color: var(--accent-silver);
    letter-spacing: -0.01em;
    margin-top: 1rem;
    background: linear-gradient(135deg, #ffffff, #c0c0c0, #e8e8e8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 20px rgba(192, 192, 192, 0.3);
}

/* Card Title Animations */
.angebot-card h3,
.project-card h3 {
    animation: titleFloat 4s ease-in-out infinite;
}

@keyframes titleFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-3px); }
}

/* Stats Section */
.stats {
    padding: 6rem 2rem;
    background: rgba(26, 26, 26, 0.3);
    backdrop-filter: blur(10px);
}

.stats-container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.stat-card {
    background: rgba(10, 10, 10, 0.6);
    padding: 2.5rem 2rem;
    border-radius: 24px;
    border: 1px solid rgba(192, 192, 192, 0.1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(20px);
    transform-style: preserve-3d;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--accent-silver), transparent);
    transform: scaleX(0);
    transition: transform 0.4s ease;
    transform-origin: left;
}

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

.stat-card:hover {
    transform: translateY(-10px) rotateX(5deg);
    box-shadow: 0 20px 40px rgba(192, 192, 192, 0.12);
    border-color: rgba(192, 192, 192, 0.24);
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 700;
    font-family: 'Inter', sans-serif;
    color: var(--accent-silver);
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #ffffff, #c0c0c0, #e8e8e8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 20px rgba(192, 192, 192, 0.3);
}

.stat-label {
    font-size: 1.1rem;
    color: var(--text-gray);
    font-weight: 500;
    letter-spacing: -0.01em;
}

/* Testimonials Section */
.testimonials {
    padding: 6rem 2rem;
    background: rgba(10, 10, 10, 0.5);
}

.testimonials-container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.testimonial-card {
    background: rgba(26, 26, 26, 0.6);
    padding: 2.5rem;
    border-radius: 24px;
    border: 1px solid rgba(192, 192, 192, 0.15);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(20px);
    transform-style: preserve-3d;
    text-align: left;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 1rem;
    left: 1.5rem;
    font-size: 4rem;
    color: rgba(192, 192, 192, 0.2);
    font-family: serif;
    line-height: 1;
}

.testimonial-card:hover {
    transform: translateY(-8px) rotateX(3deg);
    box-shadow: 0 15px 35px rgba(192, 192, 192, 0.08);
    border-color: rgba(192, 192, 192, 0.24);
}

.testimonial-content {
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
}

.testimonial-content p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-gray);
    font-style: italic;
    margin: 0;
}

.testimonial-author {
    border-top: 1px solid rgba(192, 192, 192, 0.2);
    padding-top: 1.5rem;
}

.author-name {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--accent-silver);
    margin-bottom: 0.3rem;
}

.author-title {
    font-size: 0.9rem;
    color: var(--text-light-gray);
    font-weight: 400;
}

/* CTA Section */
.cta-section {
    padding: 6rem 2rem;
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.8), rgba(10, 10, 10, 0.9));
    backdrop-filter: blur(20px);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(192, 192, 192, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 20%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    z-index: -1;
}

.cta-container {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta-title {
    font-size: 3rem;
    font-weight: 300;
    font-family: 'Inter', sans-serif;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #ffffff, #c0c0c0, #e8e8e8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.03em;
    line-height: 1.2;
}

.cta-description {
    font-size: 1.3rem;
    color: var(--text-gray);
    margin-bottom: 3rem;
    line-height: 1.7;
    font-weight: 400;
    letter-spacing: -0.01em;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-button.primary {
    background: var(--gradient-silver);
    color: var(--primary-black);
    padding: 1.2rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 10px 30px rgba(192, 192, 192, 0.3);
    position: relative;
    overflow: hidden;
}

.cta-button.secondary {
    background: transparent;
    color: var(--accent-silver);
    padding: 1.2rem 2.5rem;
    border: 2px solid var(--accent-silver);
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.cta-button.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(192, 192, 192, 0.5);
}

.cta-button.secondary:hover {
    background: var(--accent-silver);
    color: var(--primary-black);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(192, 192, 192, 0.3);
}

/* Services/Features Grid */
.services, .features {
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.services-grid, .features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card, .feature-card {
    background: rgba(26, 26, 26, 0.8);
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid rgba(192, 192, 192, 0.2);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card:hover, .feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(192, 192, 192, 0.2);
    border-color: rgba(192, 192, 192, 0.5);
}

.service-card h3, .feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    margin-bottom: 1rem;
    color: var(--accent-silver);
    letter-spacing: -0.01em;
}

.service-card p, .feature-card p {
    color: var(--text-gray);
    line-height: 1.7;
    font-size: 1rem;
    font-weight: 400;
    letter-spacing: -0.01em;
}

/* CTA Section */
.cta-section {
    padding: 4rem 2rem;
    text-align: center;
    background: rgba(26, 26, 26, 0.5);
}

.back-link {
    display: inline-block;
    margin-top: 2rem;
    color: var(--accent-silver);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
}

.back-link:hover {
    color: var(--accent-white);
    text-shadow: 0 0 10px rgba(192, 192, 192, 0.5);
}

/* Contact Form */
.contact-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem 4rem;
}

.contact-form {
    background: rgba(26, 26, 26, 0.8);
    padding: 3rem;
    border-radius: 20px;
    border: 1px solid rgba(192, 192, 192, 0.2);
    backdrop-filter: blur(10px);
}

.form-group {
    margin-bottom: 2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.8rem;
    color: var(--accent-silver);
    font-weight: 500;
    font-size: 1.1rem;
    letter-spacing: -0.01em;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem 1.2rem;
    background: rgba(10, 10, 10, 0.8);
    border: 1px solid rgba(192, 192, 192, 0.3);
    border-radius: 12px;
    color: var(--text-white);
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    transition: all 0.3s ease;
    -webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
    user-select: text;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    box-sizing: border-box;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-silver);
    box-shadow: 0 0 0 3px rgba(192, 192, 192, 0.1);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

/* Custom Select */
.custom-select {
    position: relative;
    width: 100%;
}

.select-trigger {
    width: 100%;
    padding: 1rem 1.2rem;
    background: rgba(10, 10, 10, 0.8);
    border: 1px solid rgba(192, 192, 192, 0.3);
    border-radius: 12px;
    color: var(--text-white);
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    transition: all 0.3s ease;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.select-trigger:hover {
    border-color: var(--accent-silver);
}

.select-trigger:focus {
    outline: none;
    border-color: var(--accent-silver);
    box-shadow: 0 0 0 3px rgba(192, 192, 192, 0.1);
}

.select-arrow {
    transition: transform 0.3s ease;
    color: var(--accent-silver);
}

.select-trigger.open .select-arrow {
    transform: rotate(180deg);
}

.select-options {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(26, 26, 26, 0.95);
    border: 1px solid rgba(192, 192, 192, 0.3);
    border-radius: 12px;
    margin-top: 4px;
    z-index: 1000;
    max-height: 200px;
    overflow-y: auto;
    backdrop-filter: blur(10px);
    display: none;
}

.select-options.show {
    display: block;
}

.select-option {
    padding: 1rem 1.2rem;
    color: var(--text-white);
    cursor: pointer;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(192, 192, 192, 0.1);
}

.select-option:last-child {
    border-bottom: none;
}

.select-option:hover {
    background: rgba(192, 192, 192, 0.1);
    color: var(--accent-silver);
}

.select-option.selected {
    background: rgba(192, 192, 192, 0.2);
    color: var(--accent-silver);
}

.submit-button {
    width: 100%;
    padding: 1.2rem 2rem;
    background: var(--gradient-silver);
    color: var(--primary-black);
    border: none;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1.1rem;
    font-family: 'Inter', sans-serif;
    transition: all 0.3s ease;
    cursor: pointer;
    letter-spacing: -0.01em;
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(192, 192, 192, 0.3);
}

.submit-button:active {
    transform: translateY(0);
}

.submit-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.submit-button:disabled:hover {
    transform: none;
    box-shadow: 0 10px 30px rgba(192, 192, 192, 0.3);
}

/* Messages */
.success-message {
    display: none;
    background: rgba(0, 200, 0, 0.1);
    border: 1px solid rgba(0, 200, 0, 0.3);
    color: #00ff00;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    text-align: center;
}

.error-message {
    display: none;
    background: rgba(200, 0, 0, 0.1);
    border: 1px solid rgba(200, 0, 0, 0.3);
    color: #ff4444;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    text-align: center;
}


/* Footer */
.footer {
    background: var(--secondary-black);
    padding: 3rem 2rem 2rem;
    text-align: center;
    border-top: 1px solid rgba(192, 192, 192, 0.2);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer p {
    color: var(--text-gray);
    margin-bottom: 1rem;
    font-size: 1rem;
    font-weight: 400;
    letter-spacing: -0.01em;
}

/* Scroll Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px) rotateX(5deg);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform-style: preserve-3d;
    perspective: 1000px;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0) rotateX(0deg);
}

/* Stagger animation for cards - removed delays for better performance */

/* Enhanced card entrance animations - faster */
@keyframes cardSlideIn {
    0% {
        opacity: 0;
        transform: translateY(40px) rotateX(8deg) scale(0.95);
    }
    100% {
        opacity: 1;
        transform: translateY(0) rotateX(0deg) scale(1);
    }
}

.fade-in.visible {
    animation: cardSlideIn 0.4s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* Mobile Navigation */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 0.5rem;
    background: transparent;
    border: none;
    z-index: 1001;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--accent-silver);
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

.mobile-nav {
    position: fixed;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100vh;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(20px);
    z-index: 1000;
    transition: left 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

.mobile-nav.active {
    left: 0;
}

.mobile-nav-links {
    list-style: none;
    text-align: center;
    padding: 0;
}

.mobile-nav-links li {
    margin: 2rem 0;
}

.mobile-nav-links a {
    color: var(--text-white);
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 500;
    transition: all 0.3s ease;
    display: block;
    padding: 1rem;
    border-radius: 10px;
}

.mobile-nav-links a:hover {
    color: var(--accent-silver);
    background: rgba(192, 192, 192, 0.1);
    transform: scale(1.05);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .nav {
        padding: 0 1.5rem;
    }
    
    .nav-links {
        gap: 1.5rem;
    }
    
    .nav-links a {
        font-size: 0.9rem;
    }
    
    .about-content {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 2rem;
    }
    
    .angebote-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .angebot-card {
        padding: 2rem;
    }
    
    .services-grid, .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    /* Header and Navigation */
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-links {
        display: none;
    }
    
    .nav {
        padding: 0 1rem;
    }
    
    .logo {
        height: 35px;
    }
    
    /* Hero Section */
    .hero {
        padding: 3rem 1rem;
    }
    
    .hero h1 {
        font-size: 2.8rem;
        margin-bottom: 1.5rem;
    }
    
    .hero p {
        font-size: 1.1rem;
        margin-bottom: 2rem;
    }
    
    .hero-fullscreen {
        padding: 1rem;
        height: 100vh;
    }
    
    .hero-fullscreen .hero-content h1 {
        font-size: 2.5rem;
        margin-bottom: 1rem;
    }
    
    .hero-fullscreen .hero-content p {
        font-size: 1rem;
        margin-bottom: 2rem;
    }
    
    /* Sections */
    .about, .angebote, .projects, .services, .features {
        padding: 4rem 1rem;
    }
    
    .section-title {
        font-size: 2.5rem;
        margin-bottom: 3rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        margin-top: 2rem;
    }
    
    .about-card {
        padding: 1.5rem;
    }
    
    .about-card h3 {
        font-size: 1.3rem;
        margin-bottom: 1rem;
    }
    
    .angebote-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        margin-top: 2rem;
    }
    
    .angebot-card {
        padding: 2rem;
    }
    
    .angebot-card h3 {
        font-size: 1.6rem;
        margin-bottom: 1rem;
    }
    
    .angebot-card p {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin-top: 2rem;
    }
    
    .project-card {
        padding: 2rem;
    }
    
    .project-card h3 {
        font-size: 1.6rem;
        margin-bottom: 1rem;
    }
    
    .project-card p {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }
    
    .services-grid, .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin-top: 2rem;
    }
    
    .service-card, .feature-card {
        padding: 1.5rem;
    }
    
    .service-card h3, .feature-card h3 {
        font-size: 1.3rem;
        margin-bottom: 1rem;
    }
    
    /* CTA Section */
    .cta-section {
        padding: 3rem 1rem;
    }
    
    /* Contact Form */
    .contact-container {
        padding: 0 1rem 3rem;
    }
    
    .contact-form {
        padding: 2rem;
    }
    
    .form-group {
        margin-bottom: 1.5rem;
    }
    
    .form-group label {
        font-size: 1rem;
        margin-bottom: 0.5rem;
    }
    
    .form-group input,
    .form-group textarea,
    .select-trigger {
        padding: 0.8rem 1rem;
        font-size: 1rem;
    }
    
    .submit-button {
        padding: 1rem 1.5rem;
        font-size: 1rem;
    }
    
    /* CTA Button */
    .cta-button {
        padding: 1rem 2rem;
        font-size: 1rem;
    }
    
    /* Footer */
    .footer {
        padding: 2rem 1rem 1.5rem;
    }
    
    .footer p {
        font-size: 0.9rem;
        margin-bottom: 0.8rem;
    }
    
    /* Coming Soon Text */
    .coming-soon-text {
        font-size: 2rem;
        margin-top: 0.5rem;
    }
    
    /* Stats Section Mobile */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    
    .stat-card {
        padding: 2rem 1.5rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    /* Testimonials Mobile */
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .testimonial-card {
        padding: 2rem;
    }
    
    /* CTA Section Mobile */
    .cta-title {
        font-size: 2.2rem;
    }
    
    .cta-description {
        font-size: 1.1rem;
        margin-bottom: 2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .cta-button.primary,
    .cta-button.secondary {
        width: 100%;
        max-width: 300px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    /* Header */
    .nav {
        padding: 0 0.5rem;
    }
    
    .logo {
        height: 30px;
    }
    
    .mobile-menu-toggle {
        padding: 0.3rem;
    }
    
    .mobile-menu-toggle span {
        width: 20px;
        height: 2px;
    }
    
    /* Hero Section */
    .hero {
        padding: 2rem 0.5rem;
    }
    
    .hero h1 {
        font-size: 2.2rem;
        margin-bottom: 1rem;
    }
    
    .hero p {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }
    
    .hero-fullscreen {
        padding: 0.5rem;
    }
    
    .hero-fullscreen .hero-content h1 {
        font-size: 2rem;
        margin-bottom: 0.8rem;
    }
    
    .hero-fullscreen .hero-content p {
        font-size: 0.9rem;
        margin-bottom: 1.5rem;
    }
    
    .hero-fullscreen .cta-button {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }
    
    /* Sections */
    .about, .angebote, .projects, .services, .features {
        padding: 3rem 0.5rem;
    }
    
    .section-title {
        font-size: 2rem;
        margin-bottom: 2rem;
    }
    
    .about-card, .angebot-card, .project-card, .service-card, .feature-card {
        padding: 1.2rem;
    }
    
    .about-card h3, .angebot-card h3, .project-card h3, .service-card h3, .feature-card h3 {
        font-size: 1.2rem;
        margin-bottom: 0.8rem;
    }
    
    .about-card p, .angebot-card p, .project-card p, .service-card p, .feature-card p {
        font-size: 0.9rem;
        line-height: 1.6;
    }
    
    /* CTA Section */
    .cta-section {
        padding: 2rem 0.5rem;
    }
    
    /* Contact Form */
    .contact-container {
        padding: 0 0.5rem 2rem;
    }
    
    .contact-form {
        padding: 1.5rem;
    }
    
    .form-group {
        margin-bottom: 1.2rem;
    }
    
    .form-group label {
        font-size: 0.9rem;
        margin-bottom: 0.4rem;
    }
    
    .form-group input,
    .form-group textarea,
    .select-trigger {
        padding: 0.7rem 0.8rem;
        font-size: 0.9rem;
        border-radius: 8px;
    }
    
    .form-group textarea {
        min-height: 100px;
    }
    
    .submit-button {
        padding: 0.8rem 1.2rem;
        font-size: 0.9rem;
        border-radius: 8px;
    }
    
    /* CTA Button */
    .cta-button {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }
    
    /* Footer */
    .footer {
        padding: 1.5rem 0.5rem 1rem;
    }
    
    .footer p {
        font-size: 0.8rem;
        margin-bottom: 0.6rem;
    }
    
    /* Coming Soon Text */
    .coming-soon-text {
        font-size: 1.6rem;
        margin-top: 0.3rem;
    }
    
    /* Mobile Navigation Links */
    .mobile-nav-links a {
        font-size: 1.3rem;
        padding: 0.8rem;
    }
    
    .mobile-nav-links li {
        margin: 1.5rem 0;
    }
    
    /* Ensure mobile nav works on very small screens */
    .mobile-nav {
        padding: 1rem;
    }
    
    .mobile-nav-links {
        max-height: 80vh;
        overflow-y: auto;
    }
}

/* Touch-friendly improvements */
@media (hover: none) and (pointer: coarse) {
    .cta-button, .angebot-link, .project-link, .submit-button {
        min-height: 44px;
        min-width: 44px;
    }
    
    .mobile-menu-toggle {
        min-height: 44px;
        min-width: 44px;
    }
    
    .nav-links a, .mobile-nav-links a {
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .form-group input,
    .form-group textarea,
    .select-trigger {
        min-height: 44px;
    }
    
    .select-option {
        min-height: 44px;
        display: flex;
        align-items: center;
    }
    
    /* Reduce particles on mobile for better performance */
    .particle {
        animation-duration: 25s;
        opacity: 0.4;
    }
    
    .particle:nth-child(odd) {
        animation-duration: 30s;
    }
}

/* Landscape orientation for mobile */
@media (max-width: 768px) and (orientation: landscape) {
    .hero-fullscreen {
        height: auto;
        min-height: 100vh;
        padding: 2rem 1rem;
    }
    
    .hero-fullscreen .hero-content h1 {
        font-size: 2rem;
        margin-bottom: 0.5rem;
    }
    
    .hero-fullscreen .hero-content p {
        font-size: 0.9rem;
        margin-bottom: 1rem;
    }
    
    .mobile-nav {
        justify-content: flex-start;
        padding-top: 4rem;
    }
    
    .mobile-nav-links {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }
    
    .mobile-nav-links li {
        margin: 0.5rem 0;
    }
    
    .mobile-nav-links a {
        font-size: 1.1rem;
        padding: 0.5rem;
    }
}