/* CSS Variables for Theme */
:root {
    --azul-principal: #003B73;
    --azul-secundario: #0074B7;
    --fundo-claro: #F2F4F7;
    --branco: #FFFFFF;
    --texto-escuro: #1A1A1A;
    --texto-mutado: #4A5568;
    
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    
    --fonte: 'Inter', sans-serif;
}

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

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

body {
    font-family: var(--fonte);
    background-color: var(--branco);
    color: var(--texto-escuro);
    line-height: 1.6;
    overflow-x: hidden;
}

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

h1, h2, h3, h4, h5 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--azul-principal);
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1rem;
    color: var(--texto-mutado);
}

a {
    text-decoration: none;
    color: var(--azul-secundario);
    transition: all 0.2s ease;
}

a:hover {
    color: var(--azul-principal);
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 5rem 0;
}

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

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

.bg-azul {
    background-color: var(--azul-principal);
    color: var(--branco);
}

.bg-azul h1, .bg-azul h2, .bg-azul h3, .bg-azul p {
    color: var(--branco);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-header h2 {
    font-size: 2.5rem;
}

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

.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    font-size: 1rem;
    text-align: center;
}

.btn-primary {
    background-color: var(--azul-secundario);
    color: var(--branco);
}

.btn-primary:hover {
    background-color: #005f9e;
    color: var(--branco);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 116, 183, 0.3);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--branco);
    color: var(--branco);
}

.btn-outline:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--branco);
}

.btn-outline-azul {
    background-color: transparent;
    border: 2px solid var(--azul-secundario);
    color: var(--azul-secundario);
}
.btn-outline-azul:hover {
    background-color: var(--azul-secundario);
    color: var(--branco);
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    background-color: var(--branco);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

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

.logo img {
    height: 60px;
    width: auto;
}

.nav-menu ul {
    display: flex;
    gap: 2rem;
}

.nav-link {
    font-weight: 500;
    color: var(--texto-escuro);
    font-size: 1rem;
}

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

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--azul-principal);
}

/* Hero Section */
.hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    background-color: var(--azul-principal);
    color: var(--branco);
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-label {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    margin-bottom: 1rem;
    font-weight: 500;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--branco);
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--branco);
    font-weight: 600;
}

.hero-desc {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.9);
}

.hero-info {
    margin-top: 2rem;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}
.hero-visual-card {
    background-color: var(--branco);
    border-radius: var(--radius-md);
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    text-align: center;
    color: var(--texto-escuro);
}
.hero-visual-card h3 {
    color: var(--azul-principal);
}

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

.service-card {
    background-color: var(--branco);
    border-radius: var(--radius-md);
    padding: 2.5rem 2rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(0,0,0,0.05);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.08);
}

.service-icon {
    font-size: 2.5rem;
    color: var(--azul-secundario);
    margin-bottom: 1.5rem;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

/* IA Section */
.ia-section {
    background-color: var(--fundo-claro);
}

.ia-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.ia-examples {
    background-color: var(--branco);
    padding: 2rem;
    border-radius: var(--radius-md);
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.ia-example-item {
    padding: 1rem;
    border-left: 4px solid var(--azul-secundario);
    background-color: var(--fundo-claro);
    margin-bottom: 1rem;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.ia-example-item:last-child {
    margin-bottom: 0;
}

.ia-disclaimer {
    font-size: 0.8rem;
    color: var(--texto-mutado);
    margin-top: 1.5rem;
    font-style: italic;
}

/* Metodo APP */
.metodo-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.metodo-card {
    background-color: var(--branco);
    padding: 2rem;
    border-radius: var(--radius-md);
    border-top: 4px solid var(--azul-secundario);
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

/* Sobre */
.sobre-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.sobre-img {
    border-radius: var(--radius-md);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* FAQ */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--branco);
    margin-bottom: 1rem;
    border-radius: var(--radius-sm);
    padding: 1.5rem;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.faq-item h3 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
    color: var(--azul-principal);
}

.faq-item p {
    margin-bottom: 0;
}

/* Contato Final */
.contato-final {
    background-color: var(--azul-principal);
    color: var(--branco);
    text-align: center;
    padding: 6rem 0;
}

.contato-final h2 {
    color: var(--branco);
    font-size: 2.5rem;
    margin-bottom: 2rem;
}

/* Footer */
.footer {
    background-color: var(--texto-escuro);
    color: var(--branco);
    padding: 4rem 0 2rem;
}

.footer-container {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    height: 50px;
    margin-bottom: 1rem;
    filter: brightness(0) invert(1);
}

.footer h4 {
    color: var(--branco);
    margin-bottom: 1.5rem;
}

.footer a {
    color: rgba(255, 255, 255, 0.7);
}

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

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

.footer-bottom {
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
}

/* Page Header (Internal Pages) */
.page-header {
    background-color: var(--azul-principal);
    color: var(--branco);
    padding: 150px 0 50px;
    text-align: center;
}

.page-header h1 {
    color: var(--branco);
    font-size: 2.5rem;
}

/* Responsive */
@media (max-width: 992px) {
    .hero-container, .ia-container, .sobre-container {
        grid-template-columns: 1fr;
    }
    .metodo-grid {
        grid-template-columns: 1fr;
    }
    .hero {
        padding-top: 120px;
        text-align: center;
    }
    .hero-info {
        justify-content: center;
    }
    .footer-container {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--branco);
        flex-direction: column;
        padding: 2rem;
        transition: left 0.3s ease;
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
    }
    .nav-menu.active {
        left: 0;
    }
    .nav-menu ul {
        flex-direction: column;
        align-items: center;
        gap: 1.5rem;
    }
    .menu-toggle {
        display: block;
    }
    .header-btn {
        display: none;
    }
    .hero-title {
        font-size: 2rem;
    }
    .footer-container {
        grid-template-columns: 1fr;
    }
}