/* ========================================
   Reset e Base Styles
   ======================================== */

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

:root {
    /* Cores principais - tema corporativo azul */
    --primary-color: #1e40af;
    --primary-dark: #1e3a8a;
    --primary-light: #3b82f6;
    --secondary-color: #0ea5e9;
    --accent-color: #06b6d4;

    /* Cores neutras */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    /* Cores de suporte */
    --white: #ffffff;
    --black: #000000;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;

    /* Tipografia */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-heading: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', Arial, sans-serif;

    /* Espaçamentos */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* 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), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Transições */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;

    /* Border radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;

    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal: 1040;
    --z-tooltip: 1050;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    overflow-x: hidden;
}

/* ========================================
   Container e Layout
   ======================================== */

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-3xl) 0;
}

/* ========================================
   Header
   ======================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    z-index: var(--z-fixed);
    transition: all var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
}

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

.logo-text {
    font-size: 2rem;
    font-weight: 900;
    font-family: var(--font-heading);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 500;
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: width var(--transition-base);
}

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

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
    width: 24px;
    height: 3px;
    background-color: var(--gray-700);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

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

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    color: var(--white);
    overflow: hidden;
    margin-top: 72px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://images.unsplash.com/photo-1497366216548-37526070297c?auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
    opacity: 0.15;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.8) 0%, rgba(14, 165, 233, 0.6) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--spacing-md);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    font-family: var(--font-heading);
    letter-spacing: -0.02em;
}

.hero-title .highlight {
    background: linear-gradient(90deg, #60a5fa, #06b6d4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    line-height: 1.6;
    margin-bottom: var(--spacing-xl);
    color: rgba(255, 255, 255, 0.9);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

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

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    text-align: center;
    cursor: pointer;
    transition: opacity var(--transition-base);
}

.scroll-indicator:hover {
    opacity: 0.7;
}

.scroll-indicator span {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-xs);
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    border-left: 2px solid var(--white);
    border-bottom: 2px solid var(--white);
    transform: rotate(-45deg);
    margin: 0 auto;
    animation: scroll-bounce 2s infinite;
}

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

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    border-color: transparent;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

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

/* ========================================
   Section Headers
   ======================================== */

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-2xl);
}

.section-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, var(--primary-light), var(--secondary-color));
    color: var(--white);
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1.2;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
    font-family: var(--font-heading);
    letter-spacing: -0.02em;
}

.section-description {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--gray-600);
}

/* ========================================
   CRM Section
   ======================================== */

.crm-section {
    background-color: var(--gray-50);
}

/* ========================================
   Features Grid
   ======================================== */

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.feature-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 1px solid var(--gray-200);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.feature-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-light), var(--secondary-color));
    color: var(--white);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-heading);
}

.feature-description {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--gray-600);
}

/* ========================================
   ERP Section
   ======================================== */

.erp-section {
    background-color: var(--white);
}

/* ========================================
   Benefits Section
   ======================================== */

.benefits-section {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: var(--white);
}

.benefits-section .section-title {
    color: var(--white);
}

.benefits-section .section-description {
    color: rgba(255, 255, 255, 0.8);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.benefit-item {
    padding: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-base);
    backdrop-filter: blur(10px);
}

.benefit-item:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-4px);
    border-color: rgba(59, 130, 246, 0.5);
}

.benefit-number {
    font-size: 2.5rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary-light), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-heading);
}

.benefit-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--white);
    font-family: var(--font-heading);
}

.benefit-description {
    font-size: 1rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.8);
}

/* ========================================
   Stats Section
   ======================================== */

.stats-section {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: var(--spacing-2xl) 0;
}

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

.stat-item {
    padding: var(--spacing-lg);
}

.stat-number {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    line-height: 1;
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-heading);
}

.stat-label {
    font-size: 1.125rem;
    font-weight: 500;
    opacity: 0.9;
}

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

.cta-section {
    background: linear-gradient(135deg, var(--gray-50), var(--gray-100));
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    text-align: center;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
    font-family: var(--font-heading);
}

.cta-description {
    font-size: 1.125rem;
    text-align: center;
    color: var(--gray-600);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

.cta-form {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group input,
.form-group textarea {
    padding: 1rem;
    font-size: 1rem;
    font-family: var(--font-primary);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

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

.cta-form .btn-primary {
    width: 100%;
    margin-top: var(--spacing-md);
}

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

.footer {
    background-color: var(--gray-900);
    color: var(--gray-300);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-brand {
    max-width: 350px;
}

.footer-brand .logo-text {
    font-size: 2.5rem;
    background: linear-gradient(135deg, var(--primary-light), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-tagline {
    margin-top: var(--spacing-md);
    line-height: 1.7;
    color: var(--gray-400);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-xl);
}

.footer-heading {
    font-size: 1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--spacing-md);
    font-family: var(--font-heading);
}

.footer-list {
    list-style: none;
}

.footer-list li {
    margin-bottom: var(--spacing-sm);
}

.footer-list a {
    color: var(--gray-400);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-list a:hover {
    color: var(--primary-light);
}

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

.copyright {
    color: var(--gray-500);
    font-size: 0.875rem;
}

.dev-credit {
    display: inline-block;
    margin-left: var(--spacing-sm);
}

.dev-credit strong {
    color: var(--primary-light);
    font-weight: 700;
}

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

@keyframes scroll-bounce {
    0%, 100% {
        transform: translate(0, 0) rotate(-45deg);
    }
    50% {
        transform: translate(0, 10px) rotate(-45deg);
    }
}

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

.animate-fade-in {
    animation: fade-in 1s ease-out;
}

.animate-fade-in-delay {
    animation: fade-in 1s ease-out 0.2s both;
}

.animate-fade-in-delay-2 {
    animation: fade-in 1s ease-out 0.4s both;
}

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

@media (max-width: 1024px) {
    :root {
        --spacing-3xl: 4rem;
    }

    .features-grid,
    .benefits-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-2xl: 3rem;
        --spacing-3xl: 3rem;
    }

    /* Header mobile */
    .mobile-menu-toggle {
        display: flex;
    }

    .nav {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background-color: var(--white);
        box-shadow: var(--shadow-lg);
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-base);
    }

    .nav.active {
        max-height: 400px;
    }

    .nav-list {
        flex-direction: column;
        padding: var(--spacing-md);
        gap: var(--spacing-sm);
        align-items: stretch;
    }

    .nav-link {
        padding: var(--spacing-sm);
        border-radius: var(--radius-md);
        text-align: center;
    }

    .nav-link:hover {
        background-color: var(--gray-50);
    }

    /* Hero mobile */
    .hero {
        margin-top: 72px;
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-cta .btn {
        width: 100%;
    }

    /* Features grid mobile */
    .features-grid,
    .benefits-grid {
        grid-template-columns: 1fr;
    }

    /* Stats mobile */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }

    /* Footer mobile */
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .footer-links {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }

    /* Form mobile */
    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .logo-text {
        font-size: 1.5rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }

    .section {
        padding: var(--spacing-2xl) 0;
    }
}

/* ========================================
   Utility Classes
   ======================================== */

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

.mb-0 {
    margin-bottom: 0;
}

.mt-0 {
    margin-top: 0;
}

/* ========================================
   Print Styles
   ======================================== */

@media print {
    .header,
    .mobile-menu-toggle,
    .scroll-indicator,
    .cta-section,
    .footer {
        display: none;
    }

    .section {
        page-break-inside: avoid;
    }
}