/* ============================================
   SistemaAI - Landing Page Styles
   Design moderno com gradientes e animações
   ============================================ */

:root {
    /* Cores Principais */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #8b5cf6;
    --success: #10b981;
    --info: #06b6d4;
    --warning: #f59e0b;
    --danger: #ef4444;
    --dark: #1e293b;
    --light: #f8fafc;
    
    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-info: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
    --gradient-warning: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    --gradient-danger: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    --gradient-purple: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
    --gradient-dark: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Fontes */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--dark);
    background: #fff;
    overflow-x: hidden;
}

/* ============================================
   Navbar
   ============================================ */

.navbar {
    background: rgba(30, 41, 59, 0.95) !important;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    padding: 0.5rem 0;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.2);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: #fff !important;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.brand-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.5rem;
}

.brand-text {
    background: linear-gradient(135deg, #fff 0%, #cbd5e1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-link {
    color: rgba(255, 255, 255, 0.8) !important;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 1rem !important;
}

.nav-link:hover {
    color: #fff !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 80%;
}

/* ============================================
   Hero Section
   ============================================ */

.hero-section {
    min-height: 100vh;
    background: var(--gradient-primary);
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
    color: #fff;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(139, 92, 246, 0.3) 0%, transparent 50%);
    pointer-events: none;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    backdrop-filter: blur(10px);
    font-size: 0.875rem;
    font-weight: 500;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.gradient-text {
    background: linear-gradient(135deg, #fff 0%, #fbbf24 50%, #f59e0b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.8;
    opacity: 0.9;
    margin-bottom: 2rem;
    max-width: 600px;
}

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

.hero-stats {
    display: flex;
    gap: 3rem;
    flex-wrap: wrap;
}

.stat-item {
    flex: 1;
    min-width: 120px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.8;
}

/* Hero Visual Cards */
.hero-visual {
    position: relative;
    height: 500px;
}

.hero-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 1.5rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: transform 0.3s ease;
}

.hero-card:hover {
    transform: translateY(-5px) scale(1.02);
}

.hero-card.card-1 {
    top: 50px;
    left: 50px;
    width: 300px;
}

.hero-card.card-2 {
    top: 180px;
    right: 30px;
    width: 320px;
}

.hero-card.card-3 {
    bottom: 60px;
    left: 80px;
    width: 280px;
}

.card-icon {
    width: 60px;
    height: 60px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: #fff;
    flex-shrink: 0;
}

.card-content {
    flex: 1;
}

.card-title {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--dark);
    margin-bottom: 0.25rem;
}

.card-subtitle {
    font-size: 0.875rem;
    color: #64748b;
}

.card-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--success);
    font-weight: 600;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
}

.card-metric {
    font-weight: 700;
    color: var(--success);
    font-size: 1.25rem;
}

.mini-chart {
    width: 100%;
    height: 30px;
    background: linear-gradient(90deg, transparent 0%, var(--info) 50%, transparent 100%);
    border-radius: 4px;
    opacity: 0.3;
}

/* ============================================
   Gradientes de Background
   ============================================ */

.bg-gradient-primary {
    background: var(--gradient-primary) !important;
}

.bg-gradient-success {
    background: var(--gradient-success) !important;
}

.bg-gradient-info {
    background: var(--gradient-info) !important;
}

.bg-gradient-warning {
    background: var(--gradient-warning) !important;
}

.bg-gradient-danger {
    background: var(--gradient-danger) !important;
}

.bg-gradient-purple {
    background: var(--gradient-purple) !important;
}

.bg-gradient-dark {
    background: var(--gradient-dark) !important;
}

/* ============================================
   Sections
   ============================================ */

.section-features {
    padding: 100px 0;
    background: linear-gradient(180deg, #fff 0%, #f8fafc 100%);
}

.section-header {
    max-width: 700px;
    margin: 0 auto;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1.5rem;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.75rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--dark);
}

.section-subtitle {
    font-size: 1.125rem;
    color: #64748b;
    line-height: 1.8;
}

/* Feature Cards Modern */
.feature-card-modern {
    background: #fff;
    border-radius: 20px;
    padding: 2.5rem;
    height: 100%;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.feature-card-modern:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.15);
}

.feature-icon-wrap {
    margin-bottom: 1.5rem;
}

.feature-icon {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: #fff;
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--dark);
}

.feature-text {
    font-size: 1rem;
    color: #64748b;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    padding: 0.5rem 0;
    color: #475569;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.feature-list i {
    color: var(--success);
    font-size: 1.25rem;
    flex-shrink: 0;
}

/* ============================================
   Integrations Section
   ============================================ */

.section-integrations {
    padding: 100px 0;
    background: #fff;
}

.integration-card {
    background: #fff;
    border: 2px solid #e2e8f0;
    border-radius: 20px;
    padding: 3rem;
    height: 100%;
    transition: all 0.3s ease;
}

.integration-card:hover {
    border-color: var(--primary);
    box-shadow: 0 20px 60px rgba(99, 102, 241, 0.15);
    transform: translateY(-5px);
}

.integration-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.integration-logo {
    max-width: 200px;
    height: auto;
}

.integration-logo-icon {
    width: 80px;
    height: 80px;
    background: rgba(37, 211, 102, 0.1);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.integration-logo-icon i {
    font-size: 3rem;
}

.integration-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--dark);
}

.integration-description {
    font-size: 1rem;
    color: #64748b;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.integration-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.integration-feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: #f8fafc;
    border-radius: 10px;
}

.integration-feature i {
    font-size: 1.25rem;
    flex-shrink: 0;
}

/* ============================================
   Pricing Section
   ============================================ */

.section-pricing {
    padding: 100px 0;
    background: linear-gradient(180deg, #f8fafc 0%, #fff 100%);
}

.pricing-card {
    background: #fff;
    border: 2px solid #e2e8f0;
    border-radius: 25px;
    padding: 2.5rem;
    position: relative;
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    border-color: var(--primary);
    transform: translateY(-10px);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.15);
}

.pricing-card-featured {
    border-color: var(--primary);
    border-width: 3px;
    box-shadow: 0 20px 60px rgba(99, 102, 241, 0.2);
    transform: scale(1.05);
}

.pricing-card-featured:hover {
    transform: scale(1.08) translateY(-5px);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.875rem;
    color: #fff;
    box-shadow: var(--shadow-lg);
}

.pricing-header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid #e2e8f0;
}

.pricing-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--dark);
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
    margin-bottom: 0.5rem;
}

.pricing-price-discount {
    text-align: center;
}

.price-original {
    text-decoration: line-through;
    color: #94a3b8;
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
    opacity: 0.7;
}

.pricing-price .cents {
    font-size: 2rem;
    font-weight: 800;
    color: var(--dark);
}

.discount-badge {
    display: inline-block;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    padding: 0.375rem 1rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-top: 0.5rem;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.currency {
    font-size: 1.5rem;
    color: #64748b;
}

.amount {
    font-size: 4rem;
    font-weight: 800;
    color: var(--dark);
}

.period {
    font-size: 1.125rem;
    color: #64748b;
}

.pricing-description {
    color: #64748b;
    font-size: 1rem;
}

.pricing-features {
    flex: 1;
    margin-bottom: 2rem;
}

.pricing-feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 0;
    color: #475569;
}

.pricing-feature i {
    font-size: 1.25rem;
    flex-shrink: 0;
}

/* ============================================
   Register Section
   ============================================ */

.section-register {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e0e7ff 100%);
}

.register-content {
    padding-right: 2rem;
}

.register-title {
    font-size: 2.75rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: var(--dark);
}

.register-subtitle {
    font-size: 1.125rem;
    color: #64748b;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.register-benefits {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.benefit-item {
    display: flex;
    align-items: start;
    gap: 1rem;
}

.benefit-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.benefit-content h4 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    color: var(--dark);
}

.benefit-content p {
    color: #64748b;
    margin: 0;
}

.register-form-card {
    background: #fff;
    border-radius: 25px;
    padding: 3rem;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.1);
}

.register-form-header {
    text-align: center;
    margin-bottom: 2rem;
}

.register-form-header h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.register-form-header p {
    color: #64748b;
}

.register-form-header a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

.register-form-header a:hover {
    text-decoration: underline;
}

.form-floating label {
    color: #64748b;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 0.25rem rgba(99, 102, 241, 0.1);
}

.register-form-footer {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid #e2e8f0;
}

/* ============================================
   CTA Section
   ============================================ */

.cta-section {
    padding: 100px 0;
    background: var(--gradient-primary);
    color: #fff;
    text-align: center;
}

.cta-title {
    font-size: 2.75rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.cta-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   Footer
   ============================================ */

.footer {
    background: var(--dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 60px 0 30px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-description {
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.25rem;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

.footer-title {
    color: #fff;
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
}

/* ============================================
   Buttons
   ============================================ */

.btn {
    font-weight: 600;
    padding: 0.75rem 2rem;
    border-radius: 12px;
    transition: all 0.3s ease;
    border: none;
}

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.4);
}

.btn-outline-light {
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: #fff;
    background: transparent;
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: #fff;
    color: #fff;
}

/* ============================================
   Animations
   ============================================ */

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

@keyframes pulse-dot {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.3);
    }
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

.animate-fade-in {
    animation: fadeIn 0.8s ease-out;
}

.animate-slide-up {
    animation: slideUp 0.8s ease-out;
}

.delay-1 {
    animation-delay: 0.2s;
    opacity: 0;
    animation-fill-mode: forwards;
}

.delay-2 {
    animation-delay: 0.4s;
    opacity: 0;
    animation-fill-mode: forwards;
}

.delay-3 {
    animation-delay: 0.6s;
    opacity: 0;
    animation-fill-mode: forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 992px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2.25rem;
    }
    
    .hero-visual {
        display: none;
    }
    
    .hero-section {
        min-height: auto;
        padding: 100px 0 60px;
    }
    
    .register-content {
        padding-right: 0;
        margin-bottom: 3rem;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.875rem;
    }
    
    .cta-title {
        font-size: 2rem;
    }
    
    .hero-stats {
        gap: 1.5rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
    
    .pricing-card-featured {
        transform: scale(1);
    }
    
    .pricing-card-featured:hover {
        transform: translateY(-10px);
    }
}