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

:root {
    /* Cores Principais */
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary-color: #f59e0b;
    --accent-color: #8b5cf6;
    
    /* Cores Neutras */
    --dark-color: #1f2937;
    --dark-light: #374151;
    --gray-color: #6b7280;
    --light-gray: #f3f4f6;
    --white-color: #ffffff;
    --black-color: #000000;
    
    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    --gradient-accent: linear-gradient(135deg, var(--accent-color), var(--primary-color));
    --gradient-overlay: linear-gradient(rgba(37, 99, 235, 0.9), rgba(139, 92, 246, 0.9));
    
    /* Tipografia */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    
    /* Espaçamentos */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    --spacing-24: 6rem;
    
    /* Bordas */
    --border-radius-sm: 0.375rem;
    --border-radius: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transições */
    --transition-fast: 0.15s ease-in-out;
    --transition: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal: 1040;
    --z-popover: 1050;
    --z-tooltip: 1060;
}

/* ===== BASE ===== */
html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-6);
    }
}

/* ===== UTILITÁRIOS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--font-size-base);
    font-weight: 500;
    text-decoration: none;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white-color);
    box-shadow: var(--shadow-md);
}

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

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--white-color);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-16);
}

.section-tag {
    display: inline-block;
    padding: var(--spacing-2) var(--spacing-4);
    background: var(--gradient-primary);
    color: var(--white-color);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: var(--border-radius-xl);
    margin-bottom: var(--spacing-4);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: var(--spacing-4);
    line-height: 1.2;
}

.section-description {
    font-size: var(--font-size-lg);
    color: var(--gray-color);
    max-width: 600px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .section-description {
        font-size: var(--font-size-base);
    }
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(37, 99, 235, 0.1);
    z-index: var(--z-fixed);
    transition: var(--transition);
}

.navbar {
    padding: var(--spacing-4) 0;
}

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

/* ===== LOGO TEMPORÁRIO ===== */
.logo-temp-icon {
    font-size: 2rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.logo:hover .logo-temp-icon {
    transform: scale(1.1) rotate(10deg);
}

/* ===== BACKGROUNDS TEMPORÁRIOS ===== */
.temp-bg-1 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.temp-bg-2 {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.temp-bg-3 {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    text-decoration: none;
    line-height: 1;
}

.logo-image {
    height: 45px;
    width: auto;
    transition: var(--transition);
    filter: brightness(1.1);
}

.logo-text-container {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.logo-text {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-subtitle {
    font-size: var(--font-size-sm);
    color: var(--gray-color);
    font-weight: 700;
}

.logo:hover .logo-image {
    transform: scale(1.05);
    filter: brightness(1.2);
}

@media (max-width: 768px) {
    .logo-image {
        height: 32px;
    }
    
    .logo-text {
        font-size: var(--font-size-xl);
    }
    
    .logo-subtitle {
        font-size: var(--font-size-xs);
    }
}

.nav-menu {
    display: flex;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--spacing-8);
}

.nav-link {
    color: var(--dark-color);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: var(--transition);
}

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

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

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

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--white-color);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        padding: var(--spacing-6);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-list {
        flex-direction: column;
        gap: var(--spacing-4);
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active .bar:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active .bar:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
}

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white-color);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -2;
}

.hero-bg-slider {
    position: relative;
    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 2s ease-in-out;
    transform: scale(1.1);
    animation: kenBurns 20s infinite linear;
}

.hero-slide.active {
    opacity: 1;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, 
        rgba(37, 99, 235, 0.1) 0%, 
        rgba(139, 92, 246, 0.1) 25%, 
        rgba(245, 158, 11, 0.1) 50%, 
        rgba(37, 99, 235, 0.1) 75%, 
        rgba(139, 92, 246, 0.1) 100%);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
    z-index: 1;
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

@keyframes kenBurns {
    0% {
        transform: scale(1.1) translateX(0) translateY(0);
    }
    25% {
        transform: scale(1.15) translateX(-2%) translateY(-1%);
    }
    50% {
        transform: scale(1.1) translateX(0) translateY(-2%);
    }
    75% {
        transform: scale(1.12) translateX(2%) translateY(1%);
    }
    100% {
        transform: scale(1.1) translateX(0) translateY(0);
    }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(37, 99, 235, 0.6) 0%,
        rgba(139, 92, 246, 0.55) 50%,
        rgba(245, 158, 11, 0.5) 100%
    );
    z-index: -1;
}

.hero-content {
    max-width: 800px;
    margin-bottom: var(--spacing-16);
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-size: var(--font-size-6xl);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-6);
}

.title-line {
    display: block;
    animation: slideInLeft 1s ease-out;
}

.title-line:nth-child(2) {
    animation-delay: 0.2s;
}

.title-line:nth-child(3) {
    animation-delay: 0.4s;
}

.highlight {
    background: linear-gradient(45deg, var(--secondary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-8);
    opacity: 0.9;
    animation: fadeIn 1s ease-out 0.6s both;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-4);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeIn 1s ease-out 0.8s both;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-12);
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 1s both;
}

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

.stat-number {
    display: block;
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--secondary-color);
}

.stat-label {
    font-size: var(--font-size-sm);
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-8);
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 30px;
    height: 30px;
    border: 2px solid var(--white-color);
    border-radius: 50%;
    position: relative;
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(45deg);
    width: 8px;
    height: 8px;
    border-bottom: 2px solid var(--white-color);
    border-right: 2px solid var(--white-color);
}

@media (max-width: 768px) {
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .hero-description {
        font-size: var(--font-size-base);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        gap: var(--spacing-6);
    }
    
    .stat-number {
        font-size: var(--font-size-3xl);
    }
}

/* ===== ABOUT SECTION ===== */
.about {
    padding: var(--spacing-24) 0;
    background: var(--light-gray);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
    align-items: center;
}

.about-text h3 {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: var(--spacing-4);
    margin-top: var(--spacing-6);
}

.about-text h3:first-child {
    margin-top: 0;
}

.about-text p {
    color: var(--gray-color);
    margin-bottom: var(--spacing-4);
    line-height: 1.7;
}

.about-features {
    display: grid;
    gap: var(--spacing-6);
    margin-top: var(--spacing-8);
}

.feature {
    display: flex;
    gap: var(--spacing-4);
    align-items: flex-start;
}

.feature i {
    font-size: var(--font-size-2xl);
    color: var(--primary-color);
    margin-top: var(--spacing-1);
}

.feature h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: var(--spacing-2);
}

.feature p {
    color: var(--gray-color);
    margin: 0;
}

.about-image {
    position: relative;
}

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

.image-container img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: var(--transition);
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(37, 99, 235, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
    cursor: pointer;
}

.image-overlay i {
    font-size: var(--font-size-5xl);
    color: var(--white-color);
}

.image-container:hover .image-overlay {
    opacity: 1;
}

.image-container:hover img {
    transform: scale(1.05);
}

@media (max-width: 768px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-12);
    }
    
    .about-image {
        order: -1;
    }
}

/* ===== SERVICES SECTION ===== */
.services {
    padding: var(--spacing-24) 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-8);
}

.service-card {
    background: var(--white-color);
    padding: var(--spacing-8);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    border: 1px solid rgba(37, 99, 235, 0.1);
}

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

.service-card.featured {
    border: 2px solid var(--primary-color);
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.02), rgba(139, 92, 246, 0.02));
}

.featured-badge {
    position: absolute;
    top: -10px;
    right: var(--spacing-6);
    background: var(--gradient-primary);
    color: var(--white-color);
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--border-radius);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-6);
}

.service-icon i {
    font-size: var(--font-size-3xl);
    color: var(--white-color);
}

.service-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: var(--spacing-4);
}

.service-description {
    color: var(--gray-color);
    margin-bottom: var(--spacing-6);
    line-height: 1.7;
}

.service-features {
    list-style: none;
    margin-bottom: var(--spacing-6);
}

.service-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-3);
    color: var(--gray-color);
}

.service-features i {
    color: var(--primary-color);
    font-size: var(--font-size-sm);
}

.service-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    transition: var(--transition);
}

.service-link:hover {
    gap: var(--spacing-3);
}

.service-link i {
    transition: var(--transition);
}

@media (max-width: 768px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== PORTFOLIO SECTION ===== */
.portfolio {
    padding: var(--spacing-24) 0;
    background: var(--light-gray);
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-16);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--spacing-3) var(--spacing-6);
    background: var(--white-color);
    color: var(--gray-color);
    border: 1px solid rgba(37, 99, 235, 0.2);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

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

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-8);
}

.portfolio-item {
    background: var(--white-color);
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.portfolio-image {
    position: relative;
    overflow: hidden;
    height: 250px;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-overlay);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
    text-align: center;
    padding: var(--spacing-6);
}

.portfolio-overlay h3 {
    color: var(--white-color);
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-3);
}

.portfolio-overlay p {
    color: var(--white-color);
    opacity: 0.9;
    margin-bottom: var(--spacing-6);
}

.portfolio-links {
    display: flex;
    gap: var(--spacing-4);
}

.portfolio-link {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white-color);
    text-decoration: none;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.portfolio-link:hover {
    background: var(--white-color);
    color: var(--primary-color);
    transform: scale(1.1);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.1);
}

.portfolio-info {
    padding: var(--spacing-6);
}

.portfolio-info h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: var(--spacing-2);
}

.portfolio-category {
    color: var(--primary-color);
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.portfolio-cta {
    text-align: center;
    margin-top: var(--spacing-16);
}

@media (max-width: 768px) {
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-filters {
        gap: var(--spacing-2);
    }
    
    .filter-btn {
        padding: var(--spacing-2) var(--spacing-4);
        font-size: var(--font-size-sm);
    }
}

/* ===== TECHNOLOGIES SECTION ===== */
.technologies {
    padding: var(--spacing-24) 0;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-6);
    max-width: 800px;
    margin: 0 auto;
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-6);
    background: var(--white-color);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
}

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

.tech-item i {
    font-size: var(--font-size-4xl);
    color: var(--primary-color);
}

.tech-item span {
    font-weight: 600;
    color: var(--dark-color);
    font-size: var(--font-size-sm);
}

@media (max-width: 768px) {
    .tech-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
        gap: var(--spacing-4);
    }
    
    .tech-item {
        padding: var(--spacing-4);
    }
    
    .tech-item i {
        font-size: var(--font-size-3xl);
    }
}

/* ===== CONTACT SECTION ===== */
.contact {
    padding: var(--spacing-24) 0;
    background: var(--light-gray);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
}

.contact-info h3 {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: var(--spacing-4);
}

.contact-info p {
    color: var(--gray-color);
    margin-bottom: var(--spacing-8);
    line-height: 1.7;
}

.contact-items {
    margin-bottom: var(--spacing-8);
}

.contact-item {
    display: flex;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-6);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    color: var(--white-color);
    font-size: var(--font-size-lg);
}

.contact-details h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: var(--spacing-1);
}

.contact-details a,
.contact-details span {
    color: var(--gray-color);
    text-decoration: none;
    transition: var(--transition);
}

.contact-details a:hover {
    color: var(--primary-color);
}

.social-links h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: var(--spacing-4);
}

.social-icons {
    display: flex;
    gap: var(--spacing-3);
}

.social-icon {
    width: 45px;
    height: 45px;
    background: var(--white-color);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-color);
    text-decoration: none;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.social-icon:hover {
    background: var(--gradient-primary);
    color: var(--white-color);
    transform: translateY(-2px);
}

.contact-form-container {
    background: var(--white-color);
    padding: var(--spacing-8);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
}

.contact-form {
    display: grid;
    gap: var(--spacing-6);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: var(--spacing-2);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--spacing-3);
    border: 2px solid rgba(37, 99, 235, 0.1);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: var(--font-size-base);
    transition: var(--transition);
    background: var(--white-color);
}

.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(37, 99, 235, 0.1);
}

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

@media (max-width: 768px) {
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-12);
    }
    
    .contact-form-container {
        padding: var(--spacing-6);
    }
    
    .social-icons {
        justify-content: center;
    }
}

/* ===== FOOTER ===== */
.footer {
    background: var(--dark-color);
    color: var(--white-color);
    padding: var(--spacing-16) 0 var(--spacing-8);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-12);
    margin-bottom: var(--spacing-12);
}

/* ===== FOOTER TEMPORÁRIO ===== */
.footer-logo-temp {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.footer-logo-temp .logo-temp-icon {
    background: linear-gradient(45deg, var(--secondary-color), var(--accent-color));
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    line-height: 1;
    margin-bottom: var(--spacing-4);
}

.footer-logo-image {
    height: 50px;
    width: auto;
    filter: brightness(0) invert(1);
    transition: var(--transition);
}

.footer-logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.footer-logo .logo-text {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    background: linear-gradient(45deg, var(--secondary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-logo .logo-subtitle {
    font-size: var(--font-size-base);
    color: var(--gray-color);
    font-weight: 700;
}

.footer-logo:hover .footer-logo-image {
    transform: scale(1.05);
    filter: brightness(0) invert(1) sepia(1) saturate(5) hue-rotate(200deg);
}

.footer-description {
    color: var(--gray-color);
    margin-bottom: var(--spacing-6);
    line-height: 1.7;
}

.footer-social {
    display: flex;
    gap: var(--spacing-3);
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white-color);
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
}

.footer-section h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-6);
    color: var(--white-color);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-3);
}

.footer-links a {
    color: var(--gray-color);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-contact p {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-3);
    color: var(--gray-color);
}

.footer-contact i {
    color: var(--primary-color);
    width: 20px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-8);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-4);
}

.footer-bottom p {
    color: var(--gray-color);
    margin: 0;
}

.footer-bottom-links {
    display: flex;
    gap: var(--spacing-6);
}

.footer-bottom-links a {
    color: var(--gray-color);
    text-decoration: none;
    transition: var(--transition);
}

.footer-bottom-links a:hover {
    color: var(--primary-color);
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* ===== BACK TO TOP ===== */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-8);
    right: var(--spacing-8);
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--white-color);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
    z-index: var(--z-fixed);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

/* ===== FALLBACKS E LOADING ===== */

/* Fallback para quando as imagens não carregam */
.hero-slide:not([style*="background-image"]) {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* Loading placeholder para imagens - REMOVIDO */
/*
.hero-slide::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top: 3px solid var(--white-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    opacity: 0;
    transition: opacity 0.3s;
}

.hero-slide:not(.loaded)::before {
    opacity: 1;
}
*/

@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Otimizações para logos */
.logo-image,
.footer-logo-image {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: optimize-contrast;
    image-rendering: crisp-edges;
}

/* Lazy loading support */
.hero-slide[data-src] {
    background-image: none !important;
}

.hero-slide.loaded {
    background-image: var(--bg-image) !important;
}

/* ===== RESPONSIVE IMAGES ===== */
@media (max-width: 768px) {
    .hero-slide {
        background-attachment: scroll;
        transform: scale(1.05);
    }
    
    @keyframes kenBurns {
        0% {
            transform: scale(1.05) translateX(0) translateY(0);
        }
        50% {
            transform: scale(1.08) translateX(-1%) translateY(-1%);
        }
        100% {
            transform: scale(1.05) translateX(0) translateY(0);
        }
    }
}

/* ===== PRELOAD OPTIMIZATION ===== */
.hero-bg-slider::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('images/tech-bg-1.jpg') center/cover,
                url('images/tech-bg-2.jpg') center/cover,
                url('images/tech-bg-3.jpg') center/cover;
    opacity: 0;
    pointer-events: none;
    z-index: -10;
}
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

@keyframes float {
    from {
        transform: translateX(0);
    }
    to {
        transform: translateX(-100px);
    }
}

/* ===== ESTADOS ESPECIAIS ===== */
.portfolio-item.hidden {
    display: none;
}

.loading {
    opacity: 0.7;
    pointer-events: none;
}

/* ===== SMOOTH SCROLL ===== */
html {
    scroll-padding-top: 80px;
}

/* ===== ACESSIBILIDADE ===== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ===== PRINT STYLES ===== */
@media print {
    .header,
    .back-to-top,
    .hero-stats,
    .scroll-indicator {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .section-title {
        font-size: 18pt;
    }
}