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

:root {
    /* Cores Principais */
    --color-primary: #2563eb;
    --color-primary-dark: #1e40af;
    --color-primary-light: #3b82f6;
    --color-secondary: #10b981;
    --color-secondary-dark: #059669;
    
    /* Cores Neutras */
    --color-dark: #1f2937;
    --color-dark-light: #374151;
    --color-gray: #6b7280;
    --color-gray-light: #9ca3af;
    --color-light: #f3f4f6;
    --color-light-dark: #e5e7eb;
    --color-white: #ffffff;
    
    /* Cores de Status */
    --color-success: #10b981;
    --color-error: #ef4444;
    --color-warning: #f59e0b;
    --color-info: #3b82f6;
    
    /* Tipografia */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    
    /* Espaçamentos */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --spacing-2xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* 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);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Transições */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===================================
   Base Styles
   =================================== */
html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

body {
    font-family: var(--font-primary);
    line-height: var(--line-height-base);
    color: var(--color-dark);
    background-color: var(--color-white);
    overflow-x: hidden;
}

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

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

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

ul {
    list-style: none;
}

/* ===================================
   Typography
   =================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-gray);
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

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

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

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

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

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

.btn--block {
    width: 100%;
    display: block;
}

/* ===================================
   Header & Navigation
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all var(--transition-base);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem var(--spacing-md);
}

.nav__logo h2 {
    color: var(--color-primary);
    font-size: 1.75rem;
    margin: 0;
}

.nav__logo span {
    color: var(--color-gray);
    font-size: 0.875rem;
    display: block;
    margin-top: -0.25rem;
}

.nav__menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav__link {
    color: var(--color-dark);
    font-weight: 500;
    position: relative;
    transition: color var(--transition-base);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-base);
}

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

.nav__link:hover::after {
    width: 100%;
}

.nav__link--cta {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-md);
}

.nav__link--cta::after {
    display: none;
}

.nav__link--cta:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 0.25rem;
    cursor: pointer;
}

.nav__toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--color-dark);
    border-radius: 2px;
    transition: all var(--transition-base);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background-image: url('https://images.unsplash.com/photo-1454165804606-c3d57bc86b40?q=80&w=1920&auto=format&fit=crop');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    margin-top: 80px;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.9) 0%, rgba(30, 64, 175, 0.85) 100%);
}

.hero__content {
    position: relative;
    z-index: 1;
    padding: var(--spacing-2xl) 0;
}

.hero__text {
    max-width: 700px;
}

.hero__title {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

.hero__description {
    color: rgba(255, 255, 255, 0.95);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.hero__buttons {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.hero__features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: rgba(255, 255, 255, 0.95);
    font-size: 1rem;
}

.feature-item svg {
    flex-shrink: 0;
    color: var(--color-secondary);
}

/* ===================================
   Section Styles
   =================================== */
section {
    padding: var(--spacing-2xl) 0;
}

.section-tag {
    display: inline-block;
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-sm);
}

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

.section-description {
    color: var(--color-gray);
    font-size: 1.125rem;
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

/* ===================================
   Sobre Section
   =================================== */
.sobre {
    background-color: var(--color-white);
}

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

.sobre__image {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.sobre__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.sobre__image:hover img {
    transform: scale(1.05);
}

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

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

.sobre__text {
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.sobre__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--color-light-dark);
    border-bottom: 1px solid var(--color-light-dark);
}

.stat-item h3 {
    color: var(--color-primary);
    font-size: 2.5rem;
    margin-bottom: 0.25rem;
}

.stat-item p {
    color: var(--color-gray);
    font-size: 0.875rem;
    margin: 0;
}

.sobre__info {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--color-light);
    border-radius: var(--radius-lg);
}

.info-item {
    padding: 0.5rem 0;
    color: var(--color-gray);
    font-size: 0.9rem;
}

.info-item strong {
    color: var(--color-dark);
    font-weight: 600;
}

/* ===================================
   Serviços Section
   =================================== */
.servicos {
    background-color: var(--color-light);
}

.servicos__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.servico-card {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.servico-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.servico-card__icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.servico-card__icon svg {
    color: var(--color-white);
}

.servico-card h3 {
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
}

.servico-card > p {
    color: var(--color-gray);
    margin-bottom: var(--spacing-md);
}

.servico-card__list {
    list-style: none;
    margin-top: var(--spacing-md);
}

.servico-card__list li {
    position: relative;
    padding-left: 1.75rem;
    margin-bottom: 0.5rem;
    color: var(--color-gray);
    font-size: 0.95rem;
}

.servico-card__list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-secondary);
    font-weight: 700;
}

/* ===================================
   Como Funciona Section
   =================================== */
.como-funciona {
    background-color: var(--color-white);
}

.steps {
    max-width: 900px;
    margin: 0 auto;
}

.step {
    display: grid;
    grid-template-columns: 80px 1fr 350px;
    gap: var(--spacing-lg);
    align-items: center;
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.step:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 40px;
    top: 80px;
    width: 2px;
    height: calc(100% + var(--spacing-xl));
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-light-dark) 100%);
}

.step--reverse {
    grid-template-columns: 350px 1fr 80px;
    direction: rtl;
}

.step--reverse > * {
    direction: ltr;
}

.step__number {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: var(--color-white);
    font-size: 1.75rem;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: 1;
}

.step__content h3 {
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
}

.step__content p {
    color: var(--color-gray);
    line-height: 1.6;
}

.step__image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    height: 200px;
}

.step__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ===================================
   MEI Info Section
   =================================== */
.mei-info {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
}

.mei-info .section-tag {
    color: rgba(255, 255, 255, 0.9);
}

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

.mei-info .section-description {
    color: rgba(255, 255, 255, 0.9);
}

.mei-info__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-md);
}

.info-box {
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all var(--transition-base);
}

.info-box:hover {
    background-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-4px);
}

.info-box h3 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.info-box p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
}

/* ===================================
   FAQ Section
   =================================== */
.faq {
    background-color: var(--color-light);
}

.faq__container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--color-white);
    margin-bottom: var(--spacing-sm);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.faq-question {
    width: 100%;
    padding: var(--spacing-md);
    background: none;
    border: none;
    text-align: left;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-dark);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-base);
}

.faq-question:hover {
    color: var(--color-primary);
}

.faq-question svg {
    flex-shrink: 0;
    transition: transform var(--transition-base);
}

.faq-item.active .faq-question svg {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 var(--spacing-md) var(--spacing-md);
    color: var(--color-gray);
    line-height: 1.7;
}

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

.cta-content h2 {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    color: rgba(255, 255, 255, 0.95);
    font-size: 1.125rem;
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
}

.cta-content .btn {
    background-color: var(--color-white);
    color: var(--color-secondary-dark);
}

.cta-content .btn:hover {
    background-color: var(--color-light);
    transform: translateY(-4px) scale(1.05);
}

/* ===================================
   Contato Section
   =================================== */
.contato {
    background-color: var(--color-white);
}

.contato__grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-xl);
}

.contato__info h3 {
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
}

.contato__info > p {
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.contato__items {
    margin-bottom: var(--spacing-lg);
}

.contato-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--color-light);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-sm);
}

.contato-item__icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contato-item__icon svg {
    color: var(--color-white);
}

.contato-item strong {
    display: block;
    color: var(--color-dark);
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.contato-item p {
    color: var(--color-gray);
    font-size: 0.95rem;
    margin: 0.125rem 0;
}

.contato__image {
    margin-top: var(--spacing-md);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.contato__image img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

/* Form Styles */
.contato__form {
    background-color: var(--color-light);
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
}

.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    font-weight: 500;
}

.alert--success {
    background-color: #d1fae5;
    color: #065f46;
    border: 1px solid #10b981;
}

.alert--error {
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid #ef4444;
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

label {
    display: block;
    color: var(--color-dark);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

input,
select,
textarea {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid var(--color-light-dark);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all var(--transition-base);
    background-color: var(--color-white);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

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

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.footer__col h3,
.footer__col h4 {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.footer__col p {
    margin-bottom: var(--spacing-sm);
    line-height: 1.7;
}

.footer__social p {
    color: var(--color-gray-light);
    font-size: 0.9rem;
}

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

.footer__col ul li a {
    color: var(--color-gray-light);
    transition: color var(--transition-base);
}

.footer__col ul li a:hover {
    color: var(--color-primary-light);
}

.footer__bottom {
    border-top: 1px solid var(--color-dark-light);
    padding-top: var(--spacing-md);
    text-align: center;
}

.footer__bottom p {
    color: var(--color-gray-light);
    font-size: 0.9rem;
    margin: 0.25rem 0;
}

/* ===================================
   Scroll to Top Button
   =================================== */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: var(--color-white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    z-index: 999;
}

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

.scroll-top.show {
    display: flex;
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 1024px) {
    .sobre__grid {
        grid-template-columns: 1fr;
    }
    
    .sobre__image {
        order: -1;
    }
    
    .step {
        grid-template-columns: 60px 1fr;
    }
    
    .step__image {
        display: none;
    }
    
    .step--reverse {
        grid-template-columns: 60px 1fr;
        direction: ltr;
    }
    
    .contato__grid {
        grid-template-columns: 1fr;
    }
    
    .footer__grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-2xl: 4rem;
    }
    
    .nav__menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--color-white);
        flex-direction: column;
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
        transition: left var(--transition-base);
        box-shadow: var(--shadow-lg);
    }
    
    .nav__menu.active {
        left: 0;
    }
    
    .nav__toggle {
        display: flex;
    }
    
    .nav__toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .nav__toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav__toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(8px, -8px);
    }
    
    .hero {
        background-attachment: scroll;
    }
    
    .hero__buttons {
        flex-direction: column;
    }
    
    .servicos__grid {
        grid-template-columns: 1fr;
    }
    
    .mei-info__grid {
        grid-template-columns: 1fr;
    }
    
    .sobre__stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer__grid {
        grid-template-columns: 1fr;
    }
    
    .step__number {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .btn {
        padding: 0.75rem 1.5rem;
    }
    
    .servicos__grid {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   Animations
   =================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn var(--transition-slow) ease-out;
}

/* ===================================
   Utilities
   =================================== */
.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); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }