:root {
    --bg-color: #0a0a1a;
    --text-color: #e2e8f0;
    --text-muted: #94a3b8;
    --primary: #7c3aed;
    --primary-glow: rgba(124, 58, 237, 0.5);
    --secondary: #06b6d4;
    --secondary-glow: rgba(6, 182, 212, 0.5);
    --accent: #3b82f6;
    --card-bg: rgba(255, 255, 255, 0.03);
    --card-border: rgba(255, 255, 255, 0.08);
    --card-hover-border: rgba(124, 58, 237, 0.3);
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
}

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

/* Base Layout & Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 8rem 0;
    position: relative;
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #ffffff 0%, #a5b4fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 4rem auto;
}

/* Header & Nav */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: background-color var(--transition-fast), backdrop-filter var(--transition-fast), border-color var(--transition-fast);
    border-bottom: 1px solid transparent;
}

header.scrolled {
    background-color: rgba(10, 10, 26, 0.7);
    backdrop-filter: blur(12px);
    border-color: var(--card-border);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 5rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo span {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
    color: #fff;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
    min-width: 48px;
    min-height: 48px;
    padding: 0.5rem;
    border-radius: 8px;
    align-items: center;
    justify-content: center;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 2rem;
    border-radius: 9999px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
    border: none;
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: #fff;
    box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
    box-shadow: 0 4px 30px rgba(124, 58, 237, 0.8);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
    border: 1px solid var(--card-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--text-muted);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 5rem;
    background: radial-gradient(circle at 80% 20%, rgba(124, 58, 237, 0.12) 0%, transparent 50%),
                radial-gradient(circle at 10% 80%, rgba(6, 182, 212, 0.12) 0%, transparent 50%);
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.hero-text h1 span {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: block;
}

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

.hero-cta {
    display: flex;
    gap: 1rem;
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-circle {
    position: relative;
    width: 320px;
    height: 320px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.35;
    animation: rotateGlow 15s infinite alternate;
}

.hero-card {
    position: absolute;
    width: 280px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 1.5rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    animation: floatCard 6s ease-in-out infinite;
}

@keyframes rotateGlow {
    0% { transform: scale(1) translate(0, 0); }
    100% { transform: scale(1.2) translate(20px, -20px); }
}

@keyframes floatCard {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

/* Cards & Grid */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 2.5rem;
    backdrop-filter: blur(12px);
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.card:hover {
    transform: translateY(-8px);
    border-color: var(--card-hover-border);
    box-shadow: 0 12px 30px rgba(124, 58, 237, 0.15);
}

/* Service Card */
.service-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Steps (So funktionerts) */
.steps-container {
    counter-reset: step-counter;
}

.step-card {
    position: relative;
}

.step-card::before {
    counter-increment: step-counter;
    content: "0" counter(step-counter);
    position: absolute;
    top: 1.5rem;
    right: 2rem;
    font-size: 3rem;
    font-weight: 800;
    opacity: 0.15;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.step-card h3 {
    font-size: 1.35rem;
    margin-bottom: 0.75rem;
}

/* Case Studies */
.case-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.case-meta {
    font-size: 0.85rem;
    text-transform: uppercase;
    color: var(--secondary);
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.case-card h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.case-result {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.case-metric {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    border-top: 1px solid var(--card-border);
    padding-top: 1rem;
    display: flex;
    justify-content: space-between;
}

.case-metric span {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Pricing Section */
.pricing-card {
    position: relative;
    display: flex;
    flex-direction: column;
}

.pricing-card.featured {
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(124, 58, 237, 0.1);
}

.badge {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: #fff;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 700;
}

.pricing-header h3 {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.pricing-price {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: #fff;
}

.pricing-price span {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 400;
}

.pricing-features {
    list-style: none;
    margin-bottom: 2rem;
    flex-grow: 1;
}

.pricing-features li {
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pricing-features li::before {
    content: "✓";
    color: var(--secondary);
    font-weight: 700;
}

/* Live Demo Section */
.demo-content {
    background: radial-gradient(circle at 10% 20%, rgba(6, 182, 212, 0.08) 0%, transparent 60%), var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 32px;
    padding: 4rem;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
}

.demo-text h2 {
    font-size: 2.25rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.demo-text p {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.chat-mockup {
    background: rgba(10, 10, 26, 0.6);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    height: 300px;
    justify-content: flex-end;
}

.chat-bubble {
    padding: 0.75rem 1.25rem;
    border-radius: 18px;
    font-size: 0.9rem;
    max-width: 80%;
}

.chat-bubble.bot {
    background: var(--card-border);
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}

.chat-bubble.user {
    background: var(--primary);
    color: #fff;
    align-self: flex-end;
    border-bottom-right-radius: 4px;
}

/* Contact Form */
.contact-container {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-muted);
}

.form-control {
    width: 100%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 0.85rem 1rem;
    color: #fff;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: border-color var(--transition-fast), background var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.06);
}

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

.form-status {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 12px;
    font-size: 0.95rem;
    display: none;
}

.form-status.success {
    display: block;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #34d399;
}

.form-status.error {
    display: block;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #f87171;
}

/* Scroll Reveal Classes */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* Footer */
footer {
    border-top: 1px solid var(--card-border);
    padding: 4rem 0;
    background: rgba(5, 5, 15, 0.5);
}

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

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: #fff;
}

.footer-copyright {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Responsive Grid / Breakpoints */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
        padding-top: 2rem;
    }
    .hero-text p {
        margin: 0 auto 2.5rem auto;
    }
    .hero-cta {
        justify-content: center;
    }
    .demo-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    .grid-3 {
        grid-template-columns: 1fr;
        max-width: 600px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    section {
        padding: 5rem 0;
    }
    .section-title {
        font-size: 2.25rem;
    }
    .nav-menu {
        display: none;
    }
    
    /* Elegant Slide-down Mobile Menu styling */
    .nav-menu.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 5rem;
        left: 0;
        width: 100%;
        background-color: rgba(10, 10, 26, 0.98);
        backdrop-filter: blur(16px);
        border-bottom: 1px solid var(--card-border);
        padding: 2.5rem 2rem;
        gap: 1.5rem;
        z-index: 999;
        animation: slideDownMenu 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    }
    
    @keyframes slideDownMenu {
        from {
            opacity: 0;
            transform: translateY(-15px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    .mobile-toggle {
        display: block;
    }
    .grid-2, .grid-4 {
        grid-template-columns: 1fr;
    }
    .footer-content {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }

    /* Scaling down hero absolute element on smaller tablets / smartphones */
    .hero-circle {
        width: 240px;
        height: 240px;
        filter: blur(60px);
    }
    .hero-card {
        width: 240px;
        padding: 1.25rem;
    }
    .chat-mockup {
        height: 260px;
    }
}

@media (max-width: 480px) {
    section {
        padding: 4rem 0;
    }
    .container {
        padding: 0 1.25rem;
    }
    .section-title {
        font-size: 1.75rem;
    }
    .hero-text h1 {
        font-size: 2.25rem;
    }
    .hero-cta {
        flex-direction: column;
        gap: 1rem;
        width: 100%;
    }
    .hero-cta .btn {
        width: 100%;
    }
    .card {
        padding: 1.5rem;
        border-radius: 18px;
    }
    .pricing-price {
        font-size: 2rem;
    }
    .demo-content {
        padding: 2rem 1.5rem;
        border-radius: 20px;
    }
    
    /* Make the floating hero card look solid on small screens */
    .hero-circle {
        width: 180px;
        height: 180px;
        filter: blur(50px);
    }
    .hero-card {
        width: 220px;
        font-size: 0.8rem;
    }
}