/* NetworkXTools Website - AI Dark Purple Theme */

:root {
    /* Primary Colors */
    --primary: #8B5CF6;
    --primary-dark: #7C3AED;
    --primary-light: #A78BFA;
    --primary-glow: rgba(139, 92, 246, 0.4);

    /* Accent Colors */
    --accent: #EC4899;
    --accent-light: #F472B6;
    --cyan: #22D3EE;
    --green: #10B981;

    /* Background Colors */
    --bg-darkest: #0A0A0F;
    --bg-dark: #111118;
    --bg-card: #1A1A24;
    --bg-card-hover: #222230;
    --bg-gradient: linear-gradient(135deg, #0A0A0F 0%, #1A1028 50%, #0A0A0F 100%);

    /* Text Colors */
    --text-primary: #F8FAFC;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;

    /* Border */
    --border: rgba(139, 92, 246, 0.2);
    --border-light: rgba(255, 255, 255, 0.1);

    /* Shadows */
    --shadow-glow: 0 0 40px rgba(139, 92, 246, 0.3);
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);

    /* Spacing */
    --section-padding: 100px 0;
    --container-max: 1200px;

    /* Transitions */
    --transition: all 0.3s ease;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-darkest);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.25rem; }

p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

a {
    color: var(--primary-light);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary);
}

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
}

/* Section */
.section {
    padding: var(--section-padding);
    position: relative;
}

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

.section-header .badge {
    display: inline-block;
    background: rgba(139, 92, 246, 0.15);
    color: var(--primary-light);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 20px;
    border: 1px solid var(--border);
}

.section-header h2 {
    margin-bottom: 20px;
}

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

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.nav.scrolled {
    background: rgba(10, 10, 15, 0.95);
    border-bottom: 1px solid var(--border);
    padding: 15px 0;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.nav-logo svg {
    width: 40px;
    height: 40px;
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 40px;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--text-primary);
}

.nav-cta {
    display: flex;
    gap: 15px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.5);
    color: white;
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--bg-card);
    border-color: var(--primary);
    color: var(--text-primary);
}

.btn-large {
    padding: 16px 36px;
    font-size: 1.1rem;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 100px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: var(--bg-gradient);
    z-index: -2;
}

.hero-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(150px);
    opacity: 0.4;
    z-index: -1;
}

.hero-glow-1 {
    background: var(--primary);
    top: -200px;
    right: -200px;
}

.hero-glow-2 {
    background: var(--accent);
    bottom: -200px;
    left: -200px;
    opacity: 0.3;
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(139, 92, 246, 0.15);
    color: var(--primary-light);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 24px;
    border: 1px solid var(--border);
}

.hero-badge svg {
    width: 16px;
    height: 16px;
}

.hero h1 {
    margin-bottom: 24px;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 40px;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-visual {
    position: absolute;
    right: -100px;
    top: 50%;
    transform: translateY(-50%);
    width: 700px;
    height: 500px;
    opacity: 0.8;
}

/* Feature Cards */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 40px;
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    opacity: 0;
    transition: var(--transition);
}

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

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: rgba(139, 92, 246, 0.15);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.feature-icon svg {
    width: 30px;
    height: 30px;
    color: var(--primary-light);
}

.feature-card h3 {
    margin-bottom: 12px;
}

.feature-card p {
    margin-bottom: 24px;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    margin-bottom: 10px;
    font-size: 0.95rem;
}

.feature-list li svg {
    width: 18px;
    height: 18px;
    color: var(--green);
    flex-shrink: 0;
}

/* Showcase Section */
.showcase {
    background: var(--bg-dark);
}

.showcase-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.showcase-content.reverse {
    direction: rtl;
}

.showcase-content.reverse > * {
    direction: ltr;
}

.showcase-text h3 {
    margin-bottom: 20px;
}

.showcase-text p {
    margin-bottom: 30px;
}

.showcase-image {
    position: relative;
}

.showcase-image img,
.showcase-image .placeholder-image {
    width: 100%;
    border-radius: 20px;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border);
}

.placeholder-image {
    background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-card-hover) 100%);
    aspect-ratio: 16/10;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 20px;
}

.placeholder-image svg {
    width: 80px;
    height: 80px;
    color: var(--primary);
    opacity: 0.5;
}

.placeholder-image span {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Stats Section */
.stats {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--bg-darkest) 100%);
    padding: 80px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
}

.stat-item h3 {
    font-size: 3rem;
    margin-bottom: 8px;
    background: linear-gradient(135deg, white 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-item p {
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
}

/* Pricing Section */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.pricing-card {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 40px;
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
}

.pricing-card.featured {
    border-color: var(--primary);
    transform: scale(1.05);
}

.pricing-card.featured::before {
    content: 'Beliebt';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: white;
    padding: 6px 20px;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
}

.pricing-card:hover {
    border-color: var(--primary);
}

.pricing-card h4 {
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 8px;
}

.pricing-price {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 8px;
}

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

.pricing-card > p {
    margin-bottom: 30px;
}

.pricing-features {
    list-style: none;
    margin-bottom: 30px;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    color: var(--text-secondary);
}

.pricing-features li svg {
    width: 18px;
    height: 18px;
    color: var(--green);
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-darkest) 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: var(--primary);
    border-radius: 50%;
    filter: blur(200px);
    opacity: 0.2;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.cta-content {
    position: relative;
    max-width: 700px;
    margin: 0 auto;
}

.cta h2 {
    margin-bottom: 20px;
}

.cta p {
    font-size: 1.1rem;
    margin-bottom: 40px;
}

/* Footer */
.footer {
    background: var(--bg-dark);
    padding: 80px 0 40px;
    border-top: 1px solid var(--border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand p {
    margin: 20px 0;
    max-width: 300px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: var(--bg-card);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary);
    color: white;
}

.footer-links h5 {
    color: var(--text-primary);
    margin-bottom: 20px;
}

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

.footer-links li {
    margin-bottom: 12px;
}

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

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 40px;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.875rem;
}

.footer-legal {
    display: flex;
    gap: 30px;
}

/* Mobile Menu */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle svg {
    width: 24px;
    height: 24px;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-visual {
        display: none;
    }

    .showcase-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .showcase-content.reverse {
        direction: ltr;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .pricing-card.featured {
        transform: none;
    }

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

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links,
    .nav-cta {
        display: none;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .section {
        padding: 60px 0;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .footer-legal {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* Animations */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

@keyframes pulse {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 0.6; }
}

.hero-glow {
    animation: pulse 4s ease-in-out infinite;
}

/* Utility Classes */
.text-center { text-align: center; }
.mb-0 { margin-bottom: 0; }
.mt-4 { margin-top: 2rem; }