/* ========== RESET E VARIÁVEIS ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Cores principais - Paleta minimalista */
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    
    /* Neutros */
    --white: #ffffff;
    --gray-50: #fafafa;
    --gray-100: #f5f5f5;
    --gray-200: #e5e5e5;
    --gray-300: #d4d4d4;
    --gray-400: #a3a3a3;
    --gray-500: #737373;
    --gray-600: #525252;
    --gray-700: #404040;
    --gray-800: #262626;
    --gray-900: #171717;
    
    /* Status */
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    
    /* Sombras sutis */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-secondary: 'Space Grotesk', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* ========== COMPONENTES GLOBAIS ========== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.75rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: 0.5rem;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
    font-size: 0.9375rem;
    gap: 0.5rem;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: transparent;
    color: var(--white);
    border: 1.5px solid var(--white);
}

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

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

.section {
    padding: 6rem 0;
    position: relative;
}

.section-header {
    margin-bottom: 4rem;
    text-align: center;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    font-family: var(--font-secondary);
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--gray-900);
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray-600);
    font-weight: 400;
}

/* ========== HEADER ========== */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    transition: all 0.3s ease;
}

.header.scrolled {
    box-shadow: var(--shadow-sm);
    background-color: rgba(255, 255, 255, 0.95);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 0;
}

.logo-img {
    height: 2.5rem;
    width: auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--gray-700);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
    transition: color 0.2s ease;
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--gray-700);
    cursor: pointer;
}

/* ========== HERO SECTION - CLEAN ========== */
.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #fafafa 0%, #f5f5f5 100%);
    padding-top: 5rem;
}

.hero-video,
.hero-image-mobile {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-video video,
.hero-mobile-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-image-mobile {
    display: none;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 2;
}

.hero .container {
    position: relative;
    z-index: 3;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem;
}

.hero-title {
    font-family: var(--font-secondary);
    font-size: 3.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--white);
    line-height: 1.2;
    letter-spacing: -0.02em;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

.hero-title .highlight {
    color: var(--primary-light);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2.5rem;
    font-weight: 400;
    text-shadow: 0 1px 6px rgba(0, 0, 0, 0.3);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ========== ESTATÍSTICAS CLEAN ========== */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 1.5rem 2rem;
    border-radius: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    min-width: 140px;
}

.stat-number {
    display: block;
    font-family: var(--font-secondary);
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 0.5rem;
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

/* ========== ABOUT SECTION ========== */
.about {
    background-color: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h3 {
    font-family: var(--font-secondary);
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--gray-900);
    letter-spacing: -0.02em;
}

.about-text p {
    font-size: 1.0625rem;
    margin-bottom: 1.5rem;
    color: var(--gray-600);
    line-height: 1.7;
}

.about-features {
    display: grid;
    gap: 1.5rem;
    margin-top: 2.5rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.feature-item i {
    font-size: 1.5rem;
    color: var(--primary);
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.feature-item h4 {
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--gray-900);
    font-size: 1rem;
}

.feature-item p {
    font-size: 0.9375rem;
    color: var(--gray-600);
    margin: 0;
}

.about-image-wrapper {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 5rem;
    opacity: 0.9;
}

/* ========== SERVICES SECTION ========== */
.services {
    background-color: var(--gray-50);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 1rem;
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.service-icon {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.service-card h3 {
    font-family: var(--font-secondary);
    font-size: 1.375rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--gray-900);
}

.service-card p {
    color: var(--gray-600);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.service-features {
    list-style: none;
    margin-bottom: 2rem;
}

.service-features li {
    padding: 0.5rem 0;
    color: var(--gray-600);
    font-size: 0.9375rem;
    border-bottom: 1px solid var(--gray-100);
}

.service-features li:last-child {
    border-bottom: none;
}

.service-price {
    font-family: var(--font-secondary);
    font-size: 2rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

/* ========== PORTFOLIO SECTION ========== */
.portfolio {
    background-color: var(--white);
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.625rem 1.25rem;
    background: var(--white);
    border: 1px solid var(--gray-300);
    color: var(--gray-700);
    border-radius: 2rem;
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 500;
    font-size: 0.9375rem;
}

.filter-btn.active,
.filter-btn:hover {
    background-color: var(--primary);
    border-color: var(--primary);
    color: var(--white);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2rem;
}

.portfolio-item {
    background: var(--white);
    border-radius: 1rem;
    overflow: hidden;
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
}

.portfolio-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.portfolio-image {
    width: 100%;
    height: 240px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 3rem;
    opacity: 0.9;
}

.portfolio-content {
    padding: 2rem;
}

.portfolio-content h3 {
    font-family: var(--font-secondary);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--gray-900);
}

.portfolio-content p {
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.portfolio-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.portfolio-tags span {
    padding: 0.375rem 0.875rem;
    background-color: var(--gray-100);
    color: var(--gray-700);
    border-radius: 1rem;
    font-size: 0.8125rem;
    font-weight: 500;
}

/* ========== TESTIMONIALS SECTION ========== */
.testimonials {
    background-color: var(--gray-50);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 1rem;
    border: 1px solid var(--gray-200);
}

.testimonial-rating {
    display: flex;
    gap: 0.25rem;
    margin-bottom: 1.5rem;
}

.testimonial-rating i {
    color: #fbbf24;
    font-size: 1rem;
}

.testimonial-text {
    color: var(--gray-700);
    margin-bottom: 2rem;
    line-height: 1.7;
    font-size: 1.0625rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 3rem;
    height: 3rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 600;
    font-size: 0.9375rem;
}

.testimonial-author h4 {
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
    font-size: 1rem;
}

.testimonial-author p {
    color: var(--gray-500);
    font-size: 0.875rem;
    margin: 0;
}

/* ========== CONTACT SECTION ========== */
.contact {
    background-color: var(--white);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
}

.contact-info {
    background-color: var(--gray-50);
    padding: 2.5rem;
    border-radius: 1rem;
    border: 1px solid var(--gray-200);
    height: fit-content;
}

.contact-info h3 {
    font-family: var(--font-secondary);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--gray-900);
}

.contact-info > p {
    color: var(--gray-600);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-item i {
    font-size: 1.25rem;
    color: var(--primary);
    margin-top: 0.25rem;
}

.contact-item h4 {
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
    font-size: 0.9375rem;
}

.contact-item p {
    color: var(--gray-600);
    margin: 0;
    font-size: 0.9375rem;
}

.contact-form {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 1rem;
    border: 1px solid var(--gray-200);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--gray-700);
    font-size: 0.9375rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--gray-300);
    border-radius: 0.5rem;
    font-size: 0.9375rem;
    transition: border-color 0.2s ease;
    background-color: var(--white);
    font-family: var(--font-primary);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
}

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

.form-group input.error,
.form-group textarea.error,
.form-group select.error {
    border-color: var(--error);
}

/* ========== FOOTER ========== */
.footer {
    background-color: var(--gray-900);
    color: var(--gray-400);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3 {
    font-family: var(--font-secondary);
    font-weight: 600;
    color: var(--white);
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
}

.footer-section p,
.footer-section li {
    color: var(--gray-400);
    line-height: 1.7;
    margin-bottom: 0.75rem;
    font-size: 0.9375rem;
}

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

.footer-section a {
    color: var(--gray-400);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

.social-links {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
}

.social-links a {
    width: 2.5rem;
    height: 2.5rem;
    background-color: var(--gray-800);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.social-links a:hover {
    background-color: var(--primary);
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: 2rem;
    text-align: center;
    color: var(--gray-500);
    font-size: 0.875rem;
}

/* ========== ANIMAÇÕES ========== */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.fade-in.active {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.6s ease;
}

.slide-in-left.active {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(30px);
    transition: all 0.6s ease;
}

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

/* ========== LOADING ========== */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--white);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.spinner {
    width: 2.5rem;
    height: 2.5rem;
    border: 3px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ========== NOTIFICAÇÕES ========== */
#notification-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
}

.notification {
    background-color: var(--white);
    border-radius: 0.5rem;
    border-left: 3px solid var(--primary);
    box-shadow: var(--shadow-lg);
    padding: 1rem 1.5rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    animation: slideInRight 0.3s ease;
}

.notification.success { border-left-color: var(--success); }
.notification.error { border-left-color: var(--error); }
.notification.warning { border-left-color: var(--warning); }

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
}

@keyframes slideOutRight {
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

.notification-content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9375rem;
}

.notification-close {
    background: none;
    border: none;
    color: var(--gray-500);
    cursor: pointer;
    margin-left: auto;
    padding: 0.25rem;
}

/* ========== BACK TO TOP ========== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 3rem;
    height: 3rem;
    background-color: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: none;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 100;
}

.back-to-top.active {
    opacity: 1;
    transform: translateY(0);
}

.back-to-top:hover {
    background-color: var(--primary-dark);
}

/* ========== RESPONSIVO ========== */
@media (max-width: 1024px) {
    .section { padding: 5rem 0; }
    .hero-title { font-size: 3rem; }
    .about-content, .contact-container { gap: 3rem; }
}

@media (max-width: 768px) {
    .section { padding: 4rem 0; }
    
    .mobile-menu-btn { display: block; }
    
    .nav-menu {
        position: fixed;
        top: 77px;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .hero { min-height: 80vh; padding-top: 4rem; }
    .hero-title { font-size: 2.5rem; }
    .hero-subtitle { font-size: 1.125rem; }
    .hero-stats { gap: 1.5rem; }
    
    .about-content,
    .contact-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .services-grid,
    .portfolio-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-video { display: none !important; }
    .hero-image-mobile { display: block !important; }
}

@media (max-width: 480px) {
    .container { padding: 0 1.25rem; }
    .section-title { font-size: 2rem; }
    .hero-title { font-size: 2rem; }
    .btn-lg { padding: 0.875rem 1.5rem; }
    .back-to-top { bottom: 20px; right: 20px; width: 2.75rem; height: 2.75rem; }
}