/* ===================================
   RESET & BASE STYLES
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Primary Colors */
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    
    /* Secondary Colors */
    --secondary-color: #ec4899;
    --secondary-dark: #db2777;
    --secondary-light: #f472b6;
    
    /* Accent Colors */
    --accent-orange: #f97316;
    --accent-green: #10b981;
    --accent-blue: #3b82f6;
    --accent-purple: #a855f7;
    
    /* Neutral Colors */
    --dark-bg: #0f172a;
    --dark-secondary: #1e293b;
    --dark-tertiary: #334155;
    --light-bg: #ffffff;
    --light-secondary: #f8fafc;
    --light-tertiary: #e2e8f0;
    
    /* Text Colors */
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-light: #94a3b8;
    --text-white: #ffffff;
    
    /* Platform Colors */
    --meta-color: #0866ff;
    --google-color: #4285f4;
    --bing-color: #008373;
    --taboola-color: #0055a6;
    
    /* Shadows */
    --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);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--light-bg);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

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

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

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

.gradient-text {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===================================
   HEADER & NAVIGATION
   =================================== */
#header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.navbar {
    padding: var(--spacing-sm) 0;
}

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

.logo h1 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
}

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

.nav-link {
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 0.5rem 0;
}

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

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

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

.btn-primary-nav {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--text-white);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-md);
}

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

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-fast);
}

/* ===================================
   BUTTONS
   =================================== */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--text-white);
    padding: 1rem 2rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-lg);
    display: inline-block;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background: var(--light-bg);
    color: var(--primary-color);
    padding: 1rem 2rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    border: 2px solid var(--primary-color);
    cursor: pointer;
    transition: var(--transition-normal);
    display: inline-block;
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--text-white);
    transform: translateY(-3px);
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.1rem;
}

.btn-full {
    width: 100%;
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-image: 
        linear-gradient(135deg, rgba(99, 102, 241, 0.95) 0%, rgba(236, 72, 153, 0.95) 100%),
        url('images/hero-banner.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    padding-top: 80px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.8) 0%, rgba(30, 41, 59, 0.6) 100%);
}

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

.hero-title {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
    font-weight: 900;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xl);
    color: rgba(255, 255, 255, 0.9);
    font-weight: 400;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-2xl);
}

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

.platform-badge {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition-normal);
}

.platform-badge:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

/* Cores oficiais específicas para cada plataforma no hover */
.platform-badge:nth-child(1):hover {
    background: #0081FB;
    border-color: #0081FB;
    box-shadow: 0 8px 25px rgba(0, 129, 251, 0.5);
}

.platform-badge:nth-child(2):hover {
    background: #DB4437;
    border-color: #DB4437;
    box-shadow: 0 8px 25px rgba(219, 68, 55, 0.5);
}

.platform-badge:nth-child(3):hover {
    background: #0C8484;
    border-color: #0C8484;
    box-shadow: 0 8px 25px rgba(12, 132, 132, 0.5);
}

.platform-badge:nth-child(4):hover {
    background: #002852;
    border-color: #002852;
    box-shadow: 0 8px 25px rgba(0, 40, 82, 0.5);
}

.platform-badge i {
    font-size: 1.5rem;
}

.platform-badge span {
    font-weight: 600;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeIn 0.8s ease forwards;
}

.animate-fade-in-delay {
    opacity: 0;
    animation: fadeIn 0.8s ease 0.3s forwards;
}

.animate-fade-in-delay-2 {
    opacity: 0;
    animation: fadeIn 0.8s ease 0.6s forwards;
}

.animate-fade-in-delay-3 {
    opacity: 0;
    animation: fadeIn 0.8s ease 0.9s forwards;
}

/* ===================================
   STATS SECTION
   =================================== */
.stats {
    background: var(--dark-bg);
    padding: var(--spacing-2xl) 0;
    color: var(--text-white);
}

.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: 3.5rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary-light), var(--secondary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    font-size: 1.1rem;
    color: var(--text-light);
    font-weight: 500;
}

/* ===================================
   SECTION HEADERS
   =================================== */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-tag {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--text-white);
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-xl);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    font-weight: 800;
}

.section-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* ===================================
   ABOUT SECTION
   =================================== */
.about {
    padding: var(--spacing-3xl) 0;
    background: var(--light-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about-image {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
}

.about-image img {
    width: 100%;
    height: 600px;
    object-fit: cover;
}

.about-badge {
    position: absolute;
    bottom: 2rem;
    right: 2rem;
    background: var(--light-bg);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.about-badge i {
    font-size: 1.5rem;
    color: var(--accent-orange);
}

.about-text h3 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.about-features {
    margin-top: var(--spacing-xl);
    display: grid;
    gap: var(--spacing-md);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.05rem;
}

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

/* ===================================
   SERVICES SECTION
   =================================== */
.services {
    padding: var(--spacing-3xl) 0;
    background: var(--light-bg);
}

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

.service-card {
    background: var(--light-bg);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
    border: 2px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-light);
}

.service-icon {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    font-size: 2rem;
    color: var(--text-white);
}

.service-icon.meta {
    background: linear-gradient(135deg, #0866ff, #0a7cff);
}

.service-icon.google {
    background: linear-gradient(135deg, #4285f4, #34a853);
}

.service-icon.bing {
    background: linear-gradient(135deg, #008373, #00a88e);
}

.service-icon.taboola {
    background: linear-gradient(135deg, #0055a6, #0066cc);
}

.service-icon.consulting {
    background: linear-gradient(135deg, var(--accent-purple), var(--secondary-color));
}

.service-icon.video {
    background: linear-gradient(135deg, var(--accent-orange), #fb923c);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.service-card > p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.service-features {
    list-style: none;
    display: grid;
    gap: var(--spacing-sm);
}

.service-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
}

.service-features i {
    color: var(--accent-green);
    font-size: 0.875rem;
}

/* ===================================
   PROCESS SECTION
   =================================== */
.process {
    padding: var(--spacing-3xl) 0;
    background: var(--dark-bg);
    color: var(--text-white);
}

.process .section-tag {
    background: rgba(255, 255, 255, 0.1);
}

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

.process .section-description {
    color: var(--text-light);
}

.process-timeline {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    gap: var(--spacing-xl);
}

.process-step {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.step-number {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 900;
    box-shadow: var(--shadow-xl);
}

.step-content h3 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-white);
}

.step-content p {
    color: var(--text-light);
    font-size: 1.1rem;
    line-height: 1.7;
}

/* ===================================
   TESTIMONIALS SECTION
   =================================== */
.testimonials {
    padding: var(--spacing-3xl) 0;
    background: var(--light-secondary);
}

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

.testimonial-card {
    background: var(--light-bg);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-2xl);
}

.testimonial-rating {
    display: flex;
    gap: 0.25rem;
    margin-bottom: var(--spacing-md);
    color: var(--accent-orange);
}

.testimonial-text {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.author-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 1.5rem;
}

.author-info h4 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.author-info p {
    font-size: 0.9rem;
    color: var(--text-light);
}

/* ===================================
   BUDGET FORM SECTION
   =================================== */
.budget-form {
    padding: var(--spacing-3xl) 0;
    background: var(--light-bg);
}

.budget-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.budget-info h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.budget-info p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.budget-benefits {
    display: grid;
    gap: var(--spacing-md);
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.05rem;
}

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

.budget-form-container {
    background: var(--light-secondary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
}

.form {
    display: grid;
    gap: var(--spacing-md);
}

.form-group {
    display: grid;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.875rem 1rem;
    border: 2px solid var(--light-tertiary);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition-fast);
    background: var(--light-bg);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-privacy {
    font-size: 0.875rem;
    color: var(--text-light);
    text-align: center;
    margin-top: var(--spacing-sm);
}

.form-privacy a {
    color: var(--primary-color);
    text-decoration: underline;
}

/* ===================================
   CONTACT SECTION
   =================================== */
.contact {
    padding: var(--spacing-3xl) 0;
    background: var(--dark-bg);
    color: var(--text-white);
}

.contact .section-tag {
    background: rgba(255, 255, 255, 0.1);
}

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

.contact .section-description {
    color: var(--text-light);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.contact-card {
    background: var(--dark-secondary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: var(--transition-normal);
    border: 2px solid transparent;
}

.contact-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
}

.contact-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.contact-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-white);
}

.contact-card p {
    color: var(--text-light);
    line-height: 1.7;
}

.contact-card a {
    color: var(--primary-light);
    transition: var(--transition-fast);
}

.contact-card a:hover {
    color: var(--secondary-light);
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background: var(--dark-secondary);
    color: var(--text-light);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

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

.footer-column h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-white);
}

.footer-column h4 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-white);
}

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

.footer-column ul {
    list-style: none;
    display: grid;
    gap: var(--spacing-sm);
}

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

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

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--dark-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.social-links a:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    transform: translateY(-3px);
}

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

.company-info {
    margin-bottom: var(--spacing-md);
}

.company-info p {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.copyright p {
    font-size: 0.875rem;
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */
@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .budget-wrapper {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        right: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--light-bg);
        flex-direction: column;
        justify-content: flex-start;
        padding: var(--spacing-xl);
        transition: var(--transition-normal);
        box-shadow: var(--shadow-xl);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .process-step {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .step-number {
        margin: 0 auto;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .platforms-badges {
        flex-direction: column;
    }
}