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

:root {
    --primary-color: #1e3a8a;
    --secondary-color: #3b82f6;
    --accent-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --dark-color: #1f2937;
    --light-color: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--light-color);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 1rem 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    transition: background 0.3s ease, backdrop-filter 0.3s ease;
}

.header.scrolled {
    background: rgba(30, 58, 138, 0.95);
    backdrop-filter: blur(10px);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    height: 40px;
    width: auto;
}

.logo-text {
    line-height: 1.1;
}

.logo-text h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
    padding: 0;
    line-height: 1.2;
}

.logo-text p {
    font-size: 0.875rem;
    opacity: 0.9;
    margin: -4px 0 0 0;
    padding: 0;
    line-height: 1.2;
}

.nav {
    display: flex;
    gap: 2rem;
    align-items: center;
    position: relative;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-toggle {
    display: none;
    background: transparent;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s;
}

.nav-links a:hover {
    opacity: 0.8;
}

.cta-button {
    background: var(--accent-color);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    background: #059669;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 8rem 0 6rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><pattern id="grid" width="50" height="50" patternUnits="userSpaceOnUse"><path d="M 50 0 L 0 0 0 50" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-kicker {
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 1rem;
    display: inline-block;
    color: rgba(255, 255, 255, 0.85);
}

.hero h1,
.hero h2 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.action-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary {
    background: var(--accent-color);
    color: white;
    padding: 1rem 2rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary:hover {
    background: #059669;
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    padding: 1rem 2rem;
    border: 2px solid var(--primary-color);
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

.hero .btn-secondary,
.contact .btn-secondary {
    color: white;
    border-color: white;
}

.hero .btn-secondary:hover,
.contact .btn-secondary:hover {
    background: white;
    color: var(--primary-color);
}

/* About Section */
.about {
    padding: 6rem 0;
    background: var(--primary-color);
    color: white;
}

.about .section-title h2 {
    color: white;
}

.about .section-title p {
    color: rgba(255, 255, 255, 0.85);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    justify-items: center;
    max-width: 960px;
    margin: 0 auto;
}

.about-card {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    padding: 2rem;
    max-width: 320px;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.about-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.about-card i {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.about-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: white;
    margin-bottom: 0.5rem;
    text-align: center;
}

.about-card p {
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.6;
    text-align: center;
    max-width: 280px;
}

/* Features Section */
.features {
    padding: 6rem 0;
    background: var(--light-color);
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.section-title p {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s;
    border: 1px solid var(--gray-200);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-icon i {
    font-size: 1.5rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 1rem;
}

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

/* Stats Section */
.stats {
    background: var(--primary-color);
    color: white;
    padding: 4rem 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-item h3 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-item p {
    font-size: 1.125rem;
    opacity: 0.9;
}

/* Pricing Section */
.pricing {
    padding: 6rem 0;
    background: white;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.pricing-card {
    background: white;
    border: 2px solid var(--gray-200);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s;
    position: relative;
    overflow: visible;
    z-index: 0;
}

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

.pricing-card.featured::before {
    content: 'Mais Popular';
    position: absolute;
    top: -28px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    z-index: 2;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-5px);
}

.pricing-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent-color);
    opacity: 0;
    transition: opacity 0.3s;
}

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

.pricing-card.featured::after {
    opacity: 1;
    background: var(--primary-color);
    top: 6px;
}

.pricing-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.pricing-header p {
    color: var(--gray-600);
    margin-bottom: 2rem;
}

.pricing-price {
    margin-bottom: 2rem;
}

.pricing-price .amount {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
}

.pricing-price .period {
    color: var(--gray-600);
    font-size: 1.125rem;
}

.pricing-features {
    list-style: none;
    margin-bottom: 2rem;
}

.pricing-features li {
    padding: 0.5rem 0;
    color: var(--gray-700);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pricing-features li i {
    color: var(--accent-color);
    font-size: 0.875rem;
}

/* Demo Section */
.demo {
    background: var(--gray-100);
    padding: 6rem 0;
}

.demo-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.demo-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 1.5rem;
}

.demo-text p {
    font-size: 1.125rem;
    color: var(--gray-600);
    margin-bottom: 2rem;
}

.demo-image {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.demo-image img {
    max-width: 100%;
    border-radius: 8px;
}

.demo-preview {
    background: #f8fafc;
    padding: 2rem;
    border-radius: 8px;
    border: 2px solid #e2e8f0;
}

.demo-preview h3 {
    color: #1e3a8a;
    margin-bottom: 1rem;
}

.demo-stats-container {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.demo-stats-grid {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.demo-stat-box {
    flex: 1;
    padding: 0.75rem;
    background: #f1f5f9;
    border-radius: 6px;
    text-align: center;
}

.demo-stat-box strong {
    display: block;
    margin-bottom: 0.25rem;
}

.demo-stat-box .stat-number {
    font-size: 1.5rem;
    font-weight: 700;
}

.stat-open { color: #1e3a8a; }
.stat-progress { color: #f59e0b; }
.stat-closed { color: #10b981; }

.demo-description {
    color: #64748b;
    font-size: 0.875rem;
    margin: 0;
}

/* Contact Section */
.contact {
    background: var(--primary-color);
    color: white;
    padding: 6rem 0;
    text-align: center;
}

.contact h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.contact p {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.contact-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.contact-item i {
    font-size: 2rem;
    opacity: 0.8;
}

.contact-item h3 {
    font-size: 1.25rem;
    font-weight: 600;
}

.contact-item p {
    opacity: 0.8;
    margin: 0;
}

.contact-item p.phone {
    color: #ffffff;
    opacity: 1;
    font-weight: 600;
}

.phone a {
    color: inherit;
    text-decoration: none;
}

.contact-item p:not(.phone) {
    color: rgba(255,255,255,0.9);
}

/* Formulário */
.contact-form {
    max-width: 640px;
    margin: 2rem auto 0;
    text-align: left;
    background: rgba(255,255,255,0.06);
    padding: 1.5rem;
    border-radius: 12px;
}

.form-message {
    display: none;
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 8px;
    text-align: center;
}

.form-message.success {
    background: rgba(16,185,129,0.2);
    color: #fff;
}

.form-message.error {
    background: rgba(239,68,68,0.2);
    color: #fff;
}

.form-message.warning {
    background: rgba(245,158,11,0.2);
    color: #fff;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group {
    margin-top: 1rem;
}

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 0.75rem;
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.2);
    background: rgba(255,255,255,0.1);
    color: #fff;
    font-family: inherit;
    font-size: 1rem;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    background: rgba(255,255,255,0.15);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: rgba(255,255,255,0.6);
}

.form-actions {
    margin-top: 1rem;
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.form-note {
    margin-top: 1rem;
    font-size: 0.875rem;
    opacity: 0.7;
    text-align: center;
}

.form-error {
    display: block;
    color: #fbbf24;
    font-size: 0.875rem;
    margin-top: 0.25rem;
    min-height: 1.25rem;
}

.form-input.error,
.form-textarea.error {
    border-color: #fbbf24;
    background: rgba(251, 191, 36, 0.1);
}

.form-input.valid,
.form-textarea.valid {
    border-color: var(--accent-color);
}

.btn-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.7;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid #ffffff;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: white;
    padding: 3rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-section p,
.footer-section a {
    color: var(--gray-400);
    text-decoration: none;
    line-height: 1.6;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: 2rem;
    text-align: center;
    color: var(--gray-400);
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Offset para header fixo ao navegar por âncoras */
section[id] {
    scroll-margin-top: 90px;
}

/* Skip Link para acessibilidade */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-color);
    color: white;
    padding: 8px 16px;
    text-decoration: none;
    z-index: 10000;
    border-radius: 0 0 4px 0;
}

.skip-link:focus {
    top: 0;
}

/* Animação de contagem para stats */
.stat-number {
    display: inline-block;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 0.5rem;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 56px;
        right: 0;
        left: 0;
        background: rgba(30, 58, 138, 0.98);
        padding: 1rem 1.25rem;
        box-shadow: var(--shadow-lg);
        border-bottom-left-radius: 12px;
        border-bottom-right-radius: 12px;
        flex-direction: column;
        gap: 1rem;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        gap: 1rem;
    }

    .nav-menu.active .nav-links {
        display: flex;
    }

    .hero h1,
    .hero h2 {
        font-size: 2rem;
    }

    .action-buttons {
        flex-direction: column;
        align-items: center;
    }

    .demo-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

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

    .form-row {
        grid-template-columns: 1fr;
    }

    .demo-stats-grid {
        flex-direction: column;
    }

    .section-title h2 {
        font-size: 2rem;
    }
}