/* Custom Styles for Nexus Corporation Landing Page */

:root {
    --primary-dark: #0D0E15;
    --gradient-cyan: #00D4FF;
    --gradient-purple: #8B5CF6;
    --gradient-pink: #F472B6;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
}

* {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--primary-dark);
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(244, 114, 182, 0.05) 0%, transparent 50%);
    background-attachment: fixed;
}

/* Gradient Utilities */
.gradient-bg {
    background: linear-gradient(135deg, var(--gradient-cyan) 0%, var(--gradient-purple) 50%, var(--gradient-pink) 100%);
}

.gradient-text {
    background: linear-gradient(135deg, var(--gradient-cyan) 0%, var(--gradient-purple) 50%, var(--gradient-pink) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

.gradient-border {
    position: relative;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
}

.gradient-border::before {
    content: '';
    position: absolute;
    inset: 0;
    padding: 2px;
    background: linear-gradient(135deg, var(--gradient-cyan), var(--gradient-purple), var(--gradient-pink));
    border-radius: inherit;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: xor;
    -webkit-mask-composite: xor;
}

/* Glass Morphism Effects */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* Navigation Styles */
.nav-blur {
    background: rgba(13, 14, 21, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

/* Hero Section Animations */
.hero-title {
    animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-cta {
    animation: fadeInUp 1s ease-out 0.4s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Card Hover Effects */
.card-hover {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.card-hover::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s;
}

.card-hover:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.1);
}

.card-hover:hover::before {
    left: 100%;
}

/* Button Styles */
.btn-primary {
    background: linear-gradient(135deg, var(--gradient-cyan) 0%, var(--gradient-purple) 50%, var(--gradient-pink) 100%);
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-secondary {
    border: 2px solid transparent;
    background: linear-gradient(var(--primary-dark), var(--primary-dark)) padding-box,
                linear-gradient(135deg, var(--gradient-cyan), var(--gradient-purple), var(--gradient-pink)) border-box;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: var(--glass-bg);
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.3);
}

/* Pricing Card Special Effects */
.pricing-popular {
    position: relative;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(244, 114, 182, 0.1) 100%);
    border: 2px solid;
    border-image: linear-gradient(135deg, var(--gradient-purple), var(--gradient-pink)) 1;
}

.pricing-popular::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(135deg, var(--gradient-purple), var(--gradient-pink));
    border-radius: inherit;
    z-index: -1;
    opacity: 0.5;
    filter: blur(10px);
}

/* FAQ Accordion Styles */
.faq-item {
    transition: all 0.3s ease;
}

.faq-item:hover {
    background: rgba(255, 255, 255, 0.08);
}

.faq-question {
    transition: all 0.3s ease;
}

.faq-question:hover {
    color: var(--gradient-cyan);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, opacity 0.3s ease-out;
    opacity: 0;
}

.faq-answer.active {
    max-height: 500px; /* Ajuste conforme necessário para o conteúdo */
    opacity: 1;
}

/* Testimonial Cards */
.testimonial-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

/* Floating Elements Animation */
.floating-element {
    animation: float 6s ease-in-out infinite;
}

.floating-element:nth-child(2) {
    animation-delay: -2s;
}

.floating-element:nth-child(3) {
    animation-delay: -4s;
}

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

/* Scroll Indicator */
.scroll-indicator {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(135deg, var(--gradient-cyan) 0%, var(--gradient-purple) 50%, var(--gradient-pink) 100%);
    transform-origin: left;
    transform: scaleX(0);
    z-index: 9999;
    transition: transform 0.1s ease;
}

/* Mobile Optimizations */
@media (max-width: 640px) {
    .hero-title {
        font-size: 2.5rem;
        line-height: 1.2;
    }
    
    .card-hover:hover {
        transform: none;
    }
    
    .floating-element {
        display: none;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .gradient-text {
        -webkit-text-fill-color: #ffffff;
        color: #ffffff;
    }
    
    .glass-card {
        background: rgba(255, 255, 255, 0.1);
        border: 2px solid rgba(255, 255, 255, 0.3);
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .floating-element {
        animation: none;
    }
}

/* Focus styles for accessibility */
button:focus,
a:focus {
    outline: 2px solid var(--gradient-cyan);
    outline-offset: 2px;
}

/* Loading states */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}



.faq-question:focus {
    outline: none;
    box-shadow: none;
}