/* Modern Reset and Base Styles */
:root {
    /* Color Palette */
    --primary-50: #eff6ff;
    --primary-100: #dbeafe;
    --primary-500: #3b82f6;
    --primary-600: #2563eb;
    --primary-700: #1d4ed8;
    
    --secondary-500: #f97316;
    
    --slate-50: #f8fafc;
    --slate-100: #f1f5f9;
    --slate-200: #e2e8f0;
    --slate-300: #cbd5e1;
    --slate-600: #475569;
    --slate-700: #334155;
    --slate-800: #1e293b;
    --slate-900: #0f172a;

    --white: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.5);

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.5);

    /* Typography */
    --font-heading: 'Outfit', -apple-system, system-ui, sans-serif;
    --font-body: 'Outfit', -apple-system, system-ui, sans-serif;
}

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

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

body {
    font-family: var(--font-body);
    background-color: var(--slate-50);
    color: var(--slate-800);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

/* Language Toggle Logic */
.lang-de { display: none; }
body[data-lang="de"] .lang-en { display: none; }
body[data-lang="de"] .lang-de { display: block; }
span.lang-de { display: none; }
body[data-lang="de"] span.lang-en { display: none; }
body[data-lang="de"] span.lang-de { display: inline; }

/* Layout Utilities */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
header {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--slate-200);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    max-width: 1280px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--slate-900);
}

.logo img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.logo span {
    font-weight: 700;
    font-size: 1.125rem;
    letter-spacing: -0.01em;
}

.lang-switcher {
    display: flex;
    gap: 4px;
    background: var(--slate-100);
    padding: 4px;
    border-radius: 8px;
}

.lang-btn {
    padding: 6px 12px;
    border: none;
    background: transparent;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 6px;
    color: var(--slate-600);
    transition: all 0.2s;
    font-family: var(--font-body);
}

.lang-btn:hover {
    color: var(--slate-900);
}

.lang-btn.active {
    background: var(--white);
    color: var(--primary-600);
    box-shadow: var(--shadow-sm);
}

/* Hero Section */
.hero {
    position: relative;
    padding: 100px 0 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background: radial-gradient(circle at 50% 0%, var(--primary-100) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, var(--primary-50) 0%, transparent 40%);
    z-index: -1;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 0.8fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    max-width: 640px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    background: var(--primary-50);
    border: 1px solid var(--primary-100);
    border-radius: 20px;
    color: var(--primary-700);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 24px;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    font-weight: 800;
    color: var(--slate-900);
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary-600), var(--secondary-500));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.tagline {
    font-size: 1.25rem;
    color: var(--slate-600);
    margin-bottom: 40px;
    max-width: 500px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.sub-cta {
    font-size: 0.875rem;
    color: var(--slate-600);
    margin-top: 16px;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.2s;
    justify-content: center;
}

.cta-button.primary {
    background: var(--slate-900);
    color: var(--white);
    box-shadow: 0 4px 6px -1px rgba(15, 23, 42, 0.2);
}

.cta-button.primary:hover {
    background: var(--slate-800);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(15, 23, 42, 0.2);
}

.cta-button.secondary {
    background: var(--white);
    color: var(--slate-700);
    border: 1px solid var(--slate-200);
}

.cta-button.secondary:hover {
    border-color: var(--slate-400);
    background: var(--slate-50);
}

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

.hero-image img {
    width: 250px;
    height: 250px;
    border-radius: 40px;
    position: relative;
    z-index: 10;
    box-shadow: var(--shadow-lg);
    animation: float 6s ease-in-out infinite;
}

.glow-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, var(--primary-500) 0%, transparent 60%);
    opacity: 0.2;
    filter: blur(40px);
    z-index: 1;
}

@keyframes float {
    0% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(2deg); }
    100% { transform: translateY(0px) rotate(0deg); }
}

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--white);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--slate-900);
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--slate-600);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.feature-card {
    background: var(--slate-50);
    padding: 40px 32px;
    border-radius: 20px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.feature-card:hover {
    background: var(--white);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-100);
}

.feature-icon-wrapper {
    width: 56px;
    height: 56px;
    background: var(--white);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--primary-600);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--slate-100);
}

.feature-card h3 {
    margin-bottom: 12px;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--slate-900);
}

.feature-card p {
    color: var(--slate-600);
    line-height: 1.6;
}

/* Screenshots Section */
.screenshots {
    padding: 100px 0;
    background: var(--slate-50);
    overflow: hidden;
}

.screenshots-slider {
    display: flex;
    gap: 40px;
    padding: 40px 20px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none; /* Firefox */
}

.screenshots-slider::-webkit-scrollbar {
    display: none; /* Chrome/Safari */
}

.screenshot {
    flex: 0 0 auto;
    scroll-snap-align: center;
    width: 600px;
    max-width: 80vw;
}

.screenshot img {
    width: 100%;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    border: 8px solid var(--white);
    transition: transform 0.3s;
}

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

/* Merchants Section */
.merchants {
    padding: 100px 0;
    background: var(--white);
}

.merchants-grid {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-top: 20px;
}

.merchant-card {
    background: var(--white);
    padding: 20px 40px;
    border-radius: 100px; /* Pill shape */
    border: 1px solid var(--slate-200);
    font-weight: 600;
    color: var(--slate-700);
    box-shadow: var(--shadow-sm);
    transition: all 0.2s;
}

.merchant-card:hover {
    border-color: var(--primary-500);
    color: var(--primary-700);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.merchant-card.incoming {
    background: var(--slate-50);
    border-style: dashed;
    color: var(--slate-500);
}

/* CTA Section */
.cta-section {
    padding: 80px 24px;
    background: var(--slate-50);
}

.cta-box {
    background: var(--slate-900);
    border-radius: 32px;
    padding: 80px 40px;
    text-align: center;
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.cta-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 80% 80%, var(--primary-900), transparent 50%);
    pointer-events: none;
}

.cta-box h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
    font-weight: 800;
    position: relative;
    z-index: 1;
}

.cta-box p {
    font-size: 1.125rem;
    color: var(--slate-300);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 1;
}

.cta-box .cta-button.primary {
    background: var(--white);
    color: var(--slate-900);
    padding: 16px 32px;
    font-size: 1.25rem;
    position: relative;
    z-index: 1;
}

.cta-box .cta-button.primary:hover {
    background: var(--primary-50);
}

/* Footer */
footer {
    background: var(--white);
    color: var(--slate-600);
    padding: 80px 0 40px;
    border-top: 1px solid var(--slate-200);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.footer-links {
    display: flex;
    gap: 32px;
}

.footer-links a {
    color: var(--slate-600);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--primary-600);
}

.footer-bottom {
    border-top: 1px solid var(--slate-100);
    padding-top: 32px;
    text-align: center;
    font-size: 0.875rem;
    color: var(--slate-400);
}

/* Privacy Page Styles */
.privacy-page {
    padding: 80px 0;
    min-height: calc(100vh - 400px);
    background: var(--slate-50);
}

.privacy-content {
    background: var(--white);
    padding: 60px;
    border-radius: 24px;
    box-shadow: var(--shadow-sm);
    max-width: 800px;
    margin: 0 auto;
    border: 1px solid var(--slate-100);
}

.privacy-content h1 {
    font-size: 2.25rem;
    margin-bottom: 16px;
    color: var(--slate-900);
    letter-spacing: -0.01em;
    font-weight: 800;
}

.privacy-content .last-updated {
    color: var(--slate-500);
    margin-bottom: 48px;
    font-style: italic;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--slate-100);
    padding-bottom: 24px;
}

.privacy-content section {
    margin-bottom: 40px;
}

.privacy-content h2 {
    font-size: 1.5rem;
    margin-bottom: 16px;
    color: var(--slate-800);
    font-weight: 700;
}

.privacy-content p {
    margin-bottom: 16px;
    color: var(--slate-600);
    line-height: 1.7;
}

.privacy-content ul {
    margin-left: 24px;
    margin-bottom: 24px;
    color: var(--slate-600);
}

.privacy-content li {
    margin-bottom: 8px;
}

.privacy-content a {
    color: var(--primary-600);
    text-decoration: none;
    font-weight: 500;
}

.privacy-content a:hover {
    text-decoration: underline;
}

.back-link {
    display: inline-flex;
    align-items: center;
    margin-top: 32px;
    color: var(--primary-600);
    text-decoration: none;
    font-weight: 600;
    gap: 8px;
    transition: transform 0.2s;
}

.back-link:hover {
    transform: translateX(-4px);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content {
        margin: 0 auto;
    }
    
    .tagline {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-image {
        margin-top: 40px;
    }
    
    .screenshot {
        width: 80vw;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        gap: 30px;
    }
}

@media (max-width: 480px) {
   .container {
       padding: 0 20px;
   }
   
   .hero {
       padding: 80px 0 60px;
   }
   
   .cta-box {
       padding: 60px 24px;
   }
   
   .cta-box h2 {
       font-size: 1.8rem;
   }
}