/* ============================================
   COMPONENTS.CSS - UI Components
   AlgoForge Production Build - Emerald Green Theme
============================================ */

/* ============================================
   BUTTONS
============================================ */
.btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: none;
    overflow: hidden;
    transition: all var(--transition-bounce);
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn svg {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-base);
    flex-shrink: 0;
}

.btn:hover svg {
    transform: translateX(4px);
}

/* Primary Button - Green */
.btn-primary {
    background: var(--gradient-1);
    color: white;
    box-shadow: 
        0 4px 15px var(--accent-glow),
        inset 0 0 0 1px rgba(255,255,255,0.1),
        inset 0 -2px 0 rgba(0,0,0,0.2);
}

.btn-primary::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 0.6s ease;
}

.btn-primary:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 
        0 20px 40px var(--accent-glow),
        inset 0 0 0 1px rgba(255,255,255,0.2),
        0 0 60px var(--accent-glow);
}

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

.btn-primary:focus-visible {
    outline-offset: 4px;
}

/* Secondary Button */
.btn-secondary {
    background: rgba(255,255,255,0.03);
    color: var(--text-primary);
    border: 1px solid var(--border);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.06);
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 15px 35px rgba(16, 185, 129, 0.15);
}

/* WhatsApp Button */
.btn-whatsapp {
    background: #25D366;
    color: white;
}

.btn-whatsapp:hover {
    background: #20bd5a;
    box-shadow: 0 15px 40px rgba(37, 211, 102, 0.3);
    transform: translateY(-4px);
}

/* ============================================
   HEADER / NAVIGATION
============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    padding: var(--space-md) 0;
    background: rgba(5, 5, 7, 0.7);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: all var(--transition-base);
    margin-top: 44px;
}

.header.scrolled {
    border-bottom-color: var(--border);
    margin-top: 0;
    background: rgba(5, 5, 7, 0.95);
}

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

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-primary);
    transition: transform var(--transition-base);
}

.logo:hover {
    transform: scale(1.05);
}

.logo img {
    width: 42px;
    height: 42px;
    border-radius: 10px;
}

.logo span {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.375rem;
    font-weight: 700;
}

/* Navigation */
.nav {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-link {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
    padding: var(--space-sm) 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: width var(--transition-base);
}

.nav-link:hover,
.nav-link:focus {
    color: var(--text-primary);
}

.nav-link:hover::after,
.nav-link:focus::after {
    width: 100%;
}

.nav-cta {
    background: var(--gradient-1);
    color: white !important;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-weight: 600;
}

.nav-cta::after {
    display: none;
}

.nav-cta:hover {
    opacity: 0.9;
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    padding: var(--space-sm);
    color: var(--text-primary);
    background: none;
    border: none;
    cursor: pointer;
}

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

/* Mobile Navigation */
@media (max-width: 768px) {
    .nav {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-secondary);
        padding: var(--space-lg);
        border-bottom: 1px solid var(--border);
        gap: var(--space-md);
    }
    
    .nav.active {
        display: flex;
    }
    
    .nav-link {
        padding: var(--space-md);
        width: 100%;
        text-align: center;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .header {
        margin-top: 40px;
    }
}

/* ============================================
   CARDS - Benefits (with Canvas)
============================================ */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-top: 70px;
}

.benefit-card {
    position: relative;
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-slow);
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-1);
    transform: scaleX(0);
    transition: transform var(--transition-slow);
    z-index: 3;
}

.benefit-card:hover,
.benefit-card:focus-within {
    border-color: var(--accent);
    transform: translateY(-8px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5), 0 0 40px var(--accent-glow);
}

.benefit-card:hover::before,
.benefit-card:focus-within::before {
    transform: scaleX(1);
}

/* Canvas for benefits */
.benefit-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0.3;
    transition: opacity var(--transition-slow);
}

.benefit-card:hover .benefit-canvas {
    opacity: 0.5;
}

/* Benefit content */
.benefit-content {
    position: relative;
    z-index: 2;
    padding: 36px;
    background: linear-gradient(180deg, rgba(5,5,7,0.3) 0%, rgba(5,5,7,0.85) 100%);
}

.benefit-icon {
    width: 64px;
    height: 64px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
    transition: all var(--transition-slow);
}

.benefit-card:hover .benefit-icon {
    background: var(--gradient-1);
    border-color: transparent;
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 10px 30px var(--accent-glow);
}

.benefit-icon svg {
    width: 30px;
    height: 30px;
    color: var(--accent-light);
    transition: color var(--transition-slow);
}

.benefit-card:hover .benefit-icon svg {
    color: white;
}

.benefit-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.benefit-card p {
    font-size: 0.875rem;
    line-height: 1.7;
}

/* ============================================
   CARDS - Features with Canvas
============================================ */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-top: 70px;
}

.feature-card {
    position: relative;
    background: rgba(255,255,255,0.01);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-slow);
}

.feature-card:hover,
.feature-card:focus-within {
    border-color: var(--card-accent, var(--accent));
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
}

/* Card Color Variants */
.feature-card[data-color="green"] { --card-accent: var(--green); --card-glow: var(--green-glow); }
.feature-card[data-color="cyan"] { --card-accent: var(--cyan); --card-glow: var(--cyan-glow); }
.feature-card[data-color="blue"] { --card-accent: var(--blue); --card-glow: var(--blue-glow); }
.feature-card[data-color="orange"] { --card-accent: var(--orange); --card-glow: var(--orange-glow); }
.feature-card[data-color="purple"] { --card-accent: var(--purple); --card-glow: var(--purple-glow); }
.feature-card[data-color="teal"] { --card-accent: var(--teal); --card-glow: var(--teal-glow); }

/* Canvas Background - More visible */
.feature-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0.5;
    transition: opacity var(--transition-slow);
}

.feature-card:hover .feature-canvas {
    opacity: 0.7;
}

/* Card Content */
.feature-content {
    position: relative;
    z-index: 2;
    padding: 32px;
    background: linear-gradient(180deg, rgba(5,5,7,0.3) 0%, rgba(5,5,7,0.9) 100%);
    min-height: 220px;
    display: flex;
    flex-direction: column;
}

/* Top Accent Line */
.feature-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--card-accent, var(--accent));
    opacity: 0;
    transition: opacity var(--transition-slow);
    z-index: 3;
}

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

.feature-icon {
    width: 52px;
    height: 52px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    transition: all var(--transition-slow);
}

.feature-icon svg {
    width: 26px;
    height: 26px;
    color: var(--card-accent, var(--accent-light));
    transition: color var(--transition-slow);
}

.feature-card:hover .feature-icon {
    background: var(--card-accent);
    border-color: var(--card-accent);
    transform: scale(1.1);
    box-shadow: 0 8px 25px var(--card-glow);
}

.feature-card:hover .feature-icon svg {
    color: white;
}

.feature-card h3 {
    font-size: 1.125rem;
    margin-bottom: 10px;
    color: white;
}

.feature-card p {
    font-size: 0.875rem;
    line-height: 1.6;
    flex-grow: 1;
}

/* Floating Metrics */
.feature-metrics {
    position: absolute;
    top: 12px;
    right: 12px;
    font-family: 'Courier New', monospace;
    font-size: 0.625rem;
    color: var(--card-accent);
    opacity: 0.6;
    text-align: right;
    z-index: 3;
    transition: opacity var(--transition-base);
}

.feature-card:hover .feature-metrics {
    opacity: 0.9;
}

.feature-metrics span {
    display: block;
    margin-bottom: 2px;
}

/* ============================================
   CARDS - Pricing with 3D Tilt Effect
============================================ */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-top: 70px;
    align-items: start;
}

.pricing-card {
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--border);
    border-radius: var(--radius-2xl);
    padding: 44px 36px;
    position: relative;
    transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
    transform-style: preserve-3d;
    perspective: 1000px;
}

.pricing-card:hover {
    transform: translateY(-12px) rotateX(5deg) rotateY(-2deg);
    box-shadow: 
        0 35px 60px rgba(0, 0, 0, 0.5),
        0 0 50px var(--accent-glow),
        inset 0 1px 0 rgba(255,255,255,0.1);
    border-color: var(--accent);
}

/* 3D Glow Effect */
.pricing-card::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: var(--radius-2xl);
    background: var(--gradient-1);
    opacity: 0;
    z-index: -1;
    transition: opacity var(--transition-slow);
    filter: blur(20px);
}

.pricing-card:hover::before {
    opacity: 0.3;
}

.pricing-card.popular {
    border-color: var(--accent);
    background: linear-gradient(180deg, rgba(16, 185, 129, 0.08) 0%, rgba(255,255,255,0.02) 100%);
}

.pricing-card.popular:hover {
    transform: translateY(-16px) rotateX(5deg) rotateY(-2deg) scale(1.02);
    box-shadow: 
        0 40px 70px rgba(0, 0, 0, 0.6),
        0 0 80px var(--accent-glow);
}

.pricing-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-1);
    color: white;
    font-size: 0.6875rem;
    font-weight: 600;
    padding: 8px 20px;
    border-radius: var(--radius-full);
    box-shadow: 0 4px 15px var(--accent-glow);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.pricing-card h3 {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

.pricing-price {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 28px;
    color: var(--text-primary);
}

.pricing-features {
    margin-bottom: 36px;
}

.pricing-features li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 0;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.pricing-features li svg {
    width: 20px;
    height: 20px;
    color: var(--green);
    flex-shrink: 0;
    margin-top: 2px;
}

.pricing-card .btn {
    width: 100%;
}

.pricing-note {
    text-align: center;
    margin-top: 44px;
    color: var(--text-muted);
    font-size: 0.8125rem;
}

.pricing-disclaimer {
    text-align: center;
    margin-top: var(--space-md);
    color: var(--accent-light);
    font-size: 0.75rem;
    font-weight: 500;
}

/* ============================================
   FAQ ACCORDION
============================================ */
.faq-container {
    max-width: 800px;
    margin: 70px auto 0;
}

.faq-item {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    margin-bottom: 14px;
    overflow: hidden;
    background: rgba(255,255,255,0.02);
    transition: border-color var(--transition-base);
}

.faq-item:hover {
    border-color: var(--border-light);
}

.faq-question {
    width: 100%;
    padding: 22px 28px;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 0.9375rem;
    font-weight: 500;
    text-align: left;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    transition: color var(--transition-base);
}

.faq-question:hover,
.faq-question:focus {
    color: var(--accent-light);
}

.faq-question svg {
    width: 20px;
    height: 20px;
    color: var(--text-muted);
    transition: all var(--transition-base);
    flex-shrink: 0;
}

.faq-item[aria-expanded="true"] .faq-question svg,
.faq-item.active .faq-question svg {
    transform: rotate(180deg);
    color: var(--accent-light);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.faq-answer-content {
    padding: 0 28px 24px;
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.8;
}

.faq-item.active .faq-answer,
.faq-item[aria-expanded="true"] .faq-answer {
    max-height: 300px;
}

/* FAQ Support Box */
.faq-support {
    text-align: center;
    margin-top: 56px;
    padding: 48px;
    background: rgba(255,255,255,0.02);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
}

.faq-support h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.faq-support p {
    font-size: 0.9375rem;
    margin-bottom: 28px;
}

.faq-support-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   FOOTER - Enhanced
============================================ */
.footer {
    padding: 70px 0 35px;
    border-top: 1px solid var(--border);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 1px;
    background: var(--gradient-1);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 50px;
}

.footer-brand {
    max-width: 300px;
}

.footer-brand .logo {
    margin-bottom: 20px;
}

.footer-brand p {
    font-size: 0.875rem;
    line-height: 1.7;
    margin-bottom: 24px;
}

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    color: var(--text-secondary);
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}

.footer-contact-item:hover {
    color: var(--accent-light);
}

.footer-contact-item svg {
    width: 18px;
    height: 18px;
    color: var(--accent);
    flex-shrink: 0;
}

.footer-column h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.875rem;
    transition: all var(--transition-fast);
}

.footer-links a:hover,
.footer-links a:focus {
    color: var(--accent-light);
    transform: translateX(4px);
}

.footer-socials {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.footer-social {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-secondary);
    transition: all var(--transition-base);
}

.footer-social:hover,
.footer-social:focus {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
    transform: translateY(-3px);
}

.footer-social svg {
    width: 18px;
    height: 18px;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-md);
    padding-top: 35px;
    border-top: 1px solid var(--border);
}

.footer-copyright {
    color: var(--text-muted);
    font-size: 0.8125rem;
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a {
    color: var(--text-muted);
    font-size: 0.8125rem;
    transition: color var(--transition-fast);
}

.footer-legal a:hover {
    color: var(--accent-light);
}

/* ============================================
   FLOATING WHATSAPP
============================================ */
.floating-whatsapp {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: var(--z-tooltip);
}

.floating-whatsapp-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: #25D366;
    border-radius: 50%;
    box-shadow: 0 4px 25px rgba(37, 211, 102, 0.5);
    transition: all var(--transition-base);
    position: relative;
}

.floating-whatsapp-link::before,
.floating-whatsapp-link::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    background: #25D366;
    animation: waPulse 2s ease-in-out infinite;
}

.floating-whatsapp-link::before {
    inset: -6px;
    opacity: 0.3;
}

.floating-whatsapp-link::after {
    inset: -12px;
    opacity: 0.15;
    animation-delay: 0.5s;
}

@keyframes waPulse {
    0%, 100% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.3); opacity: 0; }
}

.floating-whatsapp-link:hover {
    transform: scale(1.15) rotate(10deg);
    box-shadow: 0 8px 40px rgba(37, 211, 102, 0.6);
}

.floating-whatsapp-link svg {
    width: 32px;
    height: 32px;
    fill: white;
    position: relative;
    z-index: 1;
}

.floating-whatsapp .tooltip {
    position: absolute;
    right: 80px;
    top: 50%;
    transform: translateY(-50%);
    background: white;
    color: #333;
    padding: 12px 20px;
    border-radius: 10px;
    font-size: 0.875rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
    pointer-events: none;
}

.floating-whatsapp .tooltip::after {
    content: '';
    position: absolute;
    right: -8px;
    top: 50%;
    transform: translateY(-50%);
    border: 8px solid transparent;
    border-left-color: white;
    border-right: none;
}

.floating-whatsapp:hover .tooltip,
.floating-whatsapp-link:focus + .tooltip {
    opacity: 1;
    visibility: visible;
    right: 85px;
}

/* ============================================
   RESPONSIVE COMPONENTS
============================================ */
@media (max-width: 1024px) {
    .benefits-grid,
    .features-grid,
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
    
    .footer-brand {
        grid-column: 1 / -1;
        max-width: none;
        text-align: center;
    }
    
    .footer-brand .logo {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .benefits-grid,
    .features-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .btn {
        width: 100%;
        max-width: 320px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .footer-column {
        text-align: center;
    }
    
    .footer-socials {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-legal {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .floating-whatsapp {
        bottom: 20px;
        right: 20px;
    }
    
    .floating-whatsapp-link {
        width: 56px;
        height: 56px;
    }
    
    .faq-support-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    /* Disable 3D tilt on mobile for performance */
    .pricing-card:hover {
        transform: translateY(-8px);
    }
}