/* ==========================================================================
   Design System & Variables
   ========================================================================== */
   :root {
    /* Colors */
    --color-primary: #003366;    /* Azul escuro */
    --color-accent: #1DB954;     /* Verde destaque */
    --color-white: #FFFFFF;      /* Branco */
    --color-gray: #606060;       /* Cinza neutro */
    --color-secondary: #FFAA00;  /* Amarelo destaque */
    --color-bg-light: #F8F9FA;   /* Fundo claro para seções */
    --color-bg-dark: #001F3F;    /* Fundo ainda mais escuro para contraste */

    /* Typography */
    --font-heading: 'Sora', sans-serif;
    --font-body: 'Inter', sans-serif;

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

    /* Shadows & Transitions */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 12px 24px rgba(0,51,102,0.15);
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px; /* Offset for sticky header */
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-primary);
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

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

ul {
    list-style: none;
}

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

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

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

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

.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

/* ==========================================================================
   Typography & Utilities
   ========================================================================== */
.section-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.section-title span {
    color: var(--color-accent);
}

.section-subtitle {
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
}

.lead-text {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.bg-light {
    background-color: var(--color-bg-light);
}

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

.dark-section h2, 
.dark-section h3, 
.dark-section p {
    color: var(--color-white);
}

.dark-section .section-subtitle,
.dark-section p {
    opacity: 0.9;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    font-family: var(--font-body);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

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

.btn-primary:hover {
    background-color: #179946;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(29, 185, 84, 0.3);
}

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

.btn-outline:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: transparent;
    padding: var(--spacing-sm) 0;
    transition: all var(--transition-normal);
}

.header.scrolled {
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    padding: 0.75rem 0;
}

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

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

.logo img {
    height: 55px;
    width: auto;
}

.logo-dark {
    display: none;
}

.header.scrolled .logo-light {
    display: none;
}

.header.scrolled .logo-dark {
    display: block;
}

.nav-list {
    display: flex;
    gap: var(--spacing-md);
}

.nav-link {
    color: var(--color-white);
    font-weight: 500;
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width var(--transition-normal);
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--color-white);
    cursor: pointer;
}

.header.scrolled .mobile-toggle {
    color: var(--color-primary);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    background-color: var(--color-primary);
    background-image: radial-gradient(circle at 80% 20%, var(--color-bg-dark) 0%, var(--color-primary) 100%);
    color: var(--color-white);
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

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

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    color: var(--color-white);
    border: 1px solid rgba(255,255,255,0.2);
}

.hero-title {
    font-size: 3.5rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.hero-title span {
    color: var(--color-accent);
}

.hero-text {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-md);
    max-width: 500px;
}

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

.hero-visual {
    position: relative;
}

.hero-image-wrapper {
    position: relative;
    border-radius: 12px;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.hero-image-wrapper img {
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
}

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

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
}

.glow-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: 80%;
    background: radial-gradient(circle, rgba(29,185,84,0.2) 0%, rgba(0,0,0,0) 70%);
    z-index: -1;
    filter: blur(40px);
}

/* ==========================================================================
   Quem Somos
   ========================================================================== */
.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.about-highlights {
    margin-top: var(--spacing-md);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    color: var(--color-primary);
}

.highlight-item i {
    color: var(--color-accent);
    font-size: 1.25rem;
}

/* ==========================================================================
   Pilares Estratégicos
   ========================================================================== */
.pillars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.pillar-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-md);
    border-radius: 8px;
    transition: transform var(--transition-normal), background var(--transition-normal);
}

.pillar-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.1);
}

.card-icon {
    width: 50px;
    height: 50px;
    background-color: rgba(29, 185, 84, 0.1);
    color: var(--color-accent);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

/* ==========================================================================
   Serviços
   ========================================================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.service-item {
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: all var(--transition-normal);
    border: 1px solid #eee;
}

.service-item:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent);
    transform: translateY(-3px);
}

.service-item i {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    transition: color var(--transition-fast);
}

.service-item:hover i {
    color: var(--color-accent);
}

/* ==========================================================================
   Diferencial
   ========================================================================== */
.diff-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.diff-block {
    display: flex;
    align-items: center;
    gap: 1rem;
    background-color: var(--color-white);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
}

.diff-block i {
    color: var(--color-accent);
    font-size: 1.5rem;
}

.diff-block p {
    margin: 0;
    font-weight: 600;
    color: var(--color-primary);
}

/* ==========================================================================
   CTA Forte
   ========================================================================== */
.cta-section {
    background-color: var(--color-bg-dark);
    color: var(--color-white);
    padding: var(--spacing-xl) 0;
    position: relative;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(0,51,102,0.9) 0%, rgba(29,185,84,0.1) 100%);
    pointer-events: none;
}

.cta-title {
    color: var(--color-white);
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    position: relative;
    z-index: 1;
}

.cta-text {
    font-size: 1.25rem;
    opacity: 0.9;
    position: relative;
    z-index: 1;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-lg) 0 var(--spacing-sm);
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    height: 50px;
    width: auto;
    margin-bottom: var(--spacing-sm);
    filter: brightness(0) invert(1);
}

.footer-tagline {
    opacity: 0.8;
}

.footer h4 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.footer-links ul li {
    margin-bottom: 0.5rem;
}

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

.footer-contact ul li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.footer-contact i {
    color: var(--color-accent);
}

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

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.social-links a:hover {
    background-color: var(--color-accent);
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-sm);
    font-size: 0.875rem;
    opacity: 0.7;
}

/* ==========================================================================
   Floating WhatsApp Button
   ========================================================================== */
.floating-whatsapp {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25D366; /* WhatsApp color */
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
    z-index: 1000;
    transition: transform var(--transition-fast);
    animation: pulse 2s infinite;
}

.floating-whatsapp:hover {
    transform: scale(1.1);
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5); }
    70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* ==========================================================================
   Animations (Scroll Reveal)
   ========================================================================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-up {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.6s ease-out;
}

.reveal-up.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s ease-out;
}

.reveal-right.active {
    opacity: 1;
    transform: translateX(0);
}

/* ==========================================================================
   Responsive Media Queries
   ========================================================================== */
@media (max-width: 992px) {
    .hero-container,
    .about-container {
        grid-template-columns: 1fr;
    }
    
    .hero {
        text-align: center;
        padding-top: 120px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-text {
        margin: 0 auto var(--spacing-md);
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .footer-container {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 250px;
        height: 100vh;
        background-color: var(--color-white);
        box-shadow: -5px 0 15px rgba(0,0,0,0.1);
        padding: 80px 20px 20px;
        transition: right var(--transition-normal);
        z-index: 999;
    }
    
    .nav.active {
        right: 0;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .nav-link {
        color: var(--color-primary);
        font-size: 1.125rem;
    }
    
    .mobile-toggle {
        display: block;
        z-index: 1001;
    }
    
    .header-actions .btn {
        display: none; /* Hide primary CTA in header on small mobile to save space */
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .cta-title {
        font-size: 2rem;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .about-highlights {
        grid-template-columns: 1fr;
    }
}