/* ===== CSS Variables ===== */
:root {
    /* Colors - Corporate/Sober Palette */
    --color-primary: #1a365d;
    --color-primary-dark: #0f2442;
    --color-secondary: #2b6cb0;
    --color-accent: #00d4aa;
    --color-accent-light: #00e6b8;
    
    /* Neutrals */
    --color-dark: #1a202c;
    --color-gray-800: #2d3748;
    --color-gray-600: #4a5568;
    --color-gray-400: #a0aec0;
    --color-gray-200: #e2e8f0;
    --color-gray-100: #f7fafc;
    --color-white: #ffffff;
    
    /* Typography */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-dark);
    background-color: var(--color-white);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

ul {
    list-style: none;
}

/* ===== Container ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-dark);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

@media (min-width: 768px) {
    h1 { font-size: 3.5rem; }
    h2 { font-size: 2.5rem; }
    h3 { font-size: 1.75rem; }
}

.text-accent {
    color: var(--color-accent);
}

/* ===== Icons ===== */
.icon-sm {
    width: 16px;
    height: 16px;
    vertical-align: middle;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.5rem;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-outline:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.btn-white {
    background-color: var(--color-white);
    color: var(--color-primary);
    border-color: var(--color-white);
}

.btn-white:hover {
    background-color: var(--color-gray-100);
    border-color: var(--color-gray-100);
}

.btn-outline-white {
    background-color: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

.btn-outline-white:hover {
    background-color: var(--color-white);
    color: var(--color-primary);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-sm) 0;
}

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

.logo-img {
    height: 56px;
    width: auto;
}

.nav {
    display: none;
}

@media (min-width: 992px) {
    .nav {
        display: block;
    }
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-link {
    font-weight: 500;
    color: var(--color-gray-600);
    padding: var(--spacing-xs) 0;
    position: relative;
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--color-accent);
}

/* Dropdown */
.dropdown {
    position: relative;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 4px;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    min-width: 220px;
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-sm) 0;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    margin-top: var(--spacing-sm);
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
}

.dropdown-menu li a {
    display: block;
    padding: var(--spacing-xs) var(--spacing-md);
    color: var(--color-gray-600);
    font-size: 0.9375rem;
}

.dropdown-menu li a:hover {
    background-color: var(--color-gray-100);
    color: var(--color-primary);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-dark);
}

@media (min-width: 992px) {
    .mobile-menu-btn {
        display: none;
    }
    
    .header .btn {
        display: inline-flex;
    }
}

.header .btn {
    display: none;
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 320px;
    height: 100vh;
    background-color: var(--color-white);
    z-index: 2000;
    transition: right var(--transition-slow);
    box-shadow: var(--shadow-xl);
    overflow-y: auto;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-gray-200);
}

.mobile-menu-close {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-dark);
}

.mobile-nav {
    padding: var(--spacing-md);
}

.mobile-nav-link {
    display: block;
    padding: var(--spacing-sm) 0;
    font-weight: 500;
    color: var(--color-gray-600);
    border-bottom: 1px solid var(--color-gray-200);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    color: var(--color-primary);
}

.mobile-dropdown-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--spacing-sm) 0;
    font-weight: 500;
    color: var(--color-gray-600);
    background: none;
    border: none;
    border-bottom: 1px solid var(--color-gray-200);
    cursor: pointer;
    font-size: 1rem;
    font-family: var(--font-body);
}

.mobile-dropdown-menu {
    display: none;
    padding-left: var(--spacing-md);
}

.mobile-dropdown.active .mobile-dropdown-menu {
    display: block;
}

.mobile-dropdown-menu a {
    display: block;
    padding: var(--spacing-xs) 0;
    color: var(--color-gray-600);
    font-size: 0.9375rem;
}

.mobile-nav .btn {
    margin-top: var(--spacing-md);
}

/* ===== Hero Section ===== */
.hero {
    padding: calc(80px + var(--spacing-3xl)) 0 var(--spacing-3xl);
    background: linear-gradient(135deg, var(--color-gray-100) 0%, var(--color-white) 100%);
}

.hero-content {
    max-width: 700px;
    margin-bottom: var(--spacing-xl);
}

.hero-title {
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-lg);
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

@media (min-width: 768px) {
    .hero {
        padding: calc(80px + var(--spacing-3xl)) 0 var(--spacing-3xl);
    }
    
    .hero .container {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-xl);
        align-items: center;
    }
    
    .hero-content {
        margin-bottom: 0;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
}

/* ===== Sections ===== */
.section {
    padding: var(--spacing-3xl) 0;
}

.section-light {
    background-color: var(--color-gray-100);
}

.section-dark {
    background-color: var(--color-primary);
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
}

.section-header-light .section-title,
.section-header-light .section-subtitle {
    color: var(--color-white);
}

.section-title {
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    color: var(--color-gray-600);
    font-size: 1.125rem;
}

/* ===== Features Grid ===== */
.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

@media (min-width: 768px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.feature-card {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.feature-icon svg {
    width: 28px;
    height: 28px;
}

.feature-title {
    margin-bottom: var(--spacing-xs);
    font-size: 1.25rem;
}

.feature-text {
    color: var(--color-gray-600);
    font-size: 0.9375rem;
}

/* ===== Solutions Grid ===== */
.solutions-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

@media (min-width: 768px) {
    .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .solutions-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.solution-card {
    display: block;
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 2px solid transparent;
    transition: all var(--transition-normal);
}

.solution-card:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-lg);
}

.solution-icon {
    width: 100%;
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    position: relative;
}

.solution-icon svg {
    width: 32px;
    height: 32px;
}

.solution-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-lg);
}

.solution-icon::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.15) 0%, rgba(26, 54, 93, 0.25) 100%);
    border-radius: var(--radius-lg);
    pointer-events: none;
}

.solution-icon-financeiro {
    background-color: #e6f7f3;
    color: #00a67d;
}

.solution-icon-atendimento {
    background-color: #e6f0ff;
    color: #2b6cb0;
}

.solution-icon-logistica {
    background-color: #fff5e6;
    color: #c05621;
}

.solution-icon-administrativo {
    background-color: #f0e6ff;
    color: #6b46c1;
}

.solution-icon-industria {
    background-color: #ffe6e6;
    color: #c53030;
}

.solution-icon-juridico {
    background-color: #e6f7ff;
    color: #0987a0;
}

.solution-title {
    margin-bottom: var(--spacing-xs);
    font-size: 1.25rem;
}

.solution-text {
    color: var(--color-gray-600);
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-md);
}

.solution-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.9375rem;
}

/* ===== Results Grid ===== */
.results-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

@media (min-width: 768px) {
    .results-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.result-card {
    text-align: center;
    padding: var(--spacing-lg);
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
}

.result-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: var(--spacing-xs);
}

.result-label {
    color: var(--color-white);
    font-size: 0.875rem;
}

/* ===== CTA Section ===== */
.section-cta {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary) 100%);
    text-align: center;
}

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

.cta-title {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.cta-text {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
}

.cta-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
}

/* ===== Footer ===== */
.footer {
    background-color: var(--color-dark);
    color: var(--color-gray-400);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

.footer-logo {
    height: 48px;
    width: auto;
    margin-bottom: var(--spacing-sm);
}

.footer-tagline {
    margin-bottom: var(--spacing-md);
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-gray-800);
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
}

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

.footer-title {
    color: var(--color-white);
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

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

.footer-contact p {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xs);
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-gray-800);
    text-align: center;
    font-size: 0.875rem;
}

/* ===== Page Header (for inner pages) ===== */
.page-header {
    padding: calc(80px + var(--spacing-xl)) 0 var(--spacing-xl);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    text-align: center;
}

.page-header .page-title {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.page-header .page-subtitle {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ===== Solution Page Content ===== */
.solution-hero {
    padding: calc(80px + var(--spacing-xl)) 0 var(--spacing-xl);
    background: linear-gradient(135deg, var(--color-gray-100) 0%, var(--color-white) 100%);
}

.solution-hero .container {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

@media (min-width: 768px) {
    .solution-hero .container {
        grid-template-columns: 1fr 1fr;
    }
}

.solution-hero-content h1 {
    margin-bottom: var(--spacing-md);
}

.solution-hero-content p {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-lg);
}

.solution-hero-icon {
    width: 280px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-xl);
    margin: 0 auto;
    overflow: hidden;
    position: relative;
}

.solution-hero-icon svg {
    width: 60px;
    height: 60px;
}

.solution-hero-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-xl);
}

.solution-hero-icon::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.2) 0%, rgba(26, 54, 93, 0.3) 100%);
    border-radius: var(--radius-xl);
    pointer-events: none;
}

/* Benefits List */
.benefits-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

@media (min-width: 768px) {
    .benefits-list {
        grid-template-columns: repeat(2, 1fr);
    }
}

.benefit-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.benefit-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-accent);
    color: var(--color-white);
    border-radius: var(--radius-md);
}

.benefit-icon svg {
    width: 24px;
    height: 24px;
}

.benefit-content h4 {
    margin-bottom: var(--spacing-xs);
}

.benefit-content p {
    color: var(--color-gray-600);
    font-size: 0.9375rem;
}

/* Demo Section */
.demo-section {
    background-color: var(--color-gray-100);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
}

.demo-section h3 {
    margin-bottom: var(--spacing-sm);
}

.demo-section p {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-lg);
}

/* Contact Form */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    color: var(--color-dark);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: var(--font-body);
    font-size: 1rem;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

/* About Page */
.about-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

@media (min-width: 768px) {
    .about-content {
        grid-template-columns: 1fr 1fr;
    }
}

.about-text h3 {
    margin-bottom: var(--spacing-md);
}

.about-text p {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-md);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.value-item {
    padding: var(--spacing-md);
    background-color: var(--color-gray-100);
    border-radius: var(--radius-md);
    text-align: center;
}

.value-item h4 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.value-item p {
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

/* Utility Classes */
.text-center { text-align: center; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }