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

:root {
    /* Colors */
    --primary-color: #2196F3;
    --primary-dark: #1976D2;
    --primary-light: #BBDEFB;
    --secondary-color: #4CAF50;
    --accent-color: #FF5722;
    --text-dark: #212121;
    --text-light: #757575;
    --text-white: #FFFFFF;
    --background-light: #FAFAFA;
    --background-white: #FFFFFF;
    --border-color: #E0E0E0;
    --shadow-light: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-medium: 0 4px 8px rgba(0,0,0,0.15);
    --shadow-heavy: 0 8px 24px rgba(0,0,0,0.2);
    
    /* Typography */
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, 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;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Layout */
    --container-max-width: 1200px;
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

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

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo img {
    height: 40px;
    width: auto;
}

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

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

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

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

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

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

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    transition: var(--transition);
}

.cta-button {
    background: var(--secondary-color);
    color: var(--text-white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.cta-button:hover {
    background: #45a049;
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

/* Hero Section */
.hero {
    padding: 120px 0 var(--spacing-3xl);
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
}

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

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-light);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

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

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

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

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

/* Advanced Hero Animation Elements */
.hero-image {
    position: relative;
    height: 500px;
    overflow: hidden;
}

.floating-elements {
    position: relative;
    width: 100%;
    height: 100%;
}

/* Particle System */
.particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
}

.particle {
    position: absolute;
    background: var(--primary-color);
    border-radius: 50%;
    animation: particleFloat 8s infinite linear;
    opacity: 0.6;
}

.particle:nth-child(odd) {
    background: var(--secondary-color);
    animation-duration: 12s;
}

.particle:nth-child(3n) {
    background: var(--accent-color);
    animation-duration: 10s;
}

@keyframes particleFloat {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.6;
    }
    90% {
        opacity: 0.6;
    }
    100% {
        transform: translateY(-100px) rotate(360deg);
        opacity: 0;
    }
}

.cloud {
    position: absolute;
    background: var(--text-white);
    border-radius: 50px;
    opacity: 0.8;
    animation: float 6s ease-in-out infinite;
}

.cloud::before,
.cloud::after {
    content: '';
    position: absolute;
    background: var(--text-white);
    border-radius: 50px;
}

.cloud-1 {
    width: 80px;
    height: 40px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.cloud-1::before {
    width: 50px;
    height: 50px;
    top: -25px;
    left: 10px;
}

.cloud-1::after {
    width: 60px;
    height: 40px;
    top: -15px;
    right: 10px;
}

.cloud-2 {
    width: 60px;
    height: 30px;
    top: 40%;
    right: 20%;
    animation-delay: 2s;
}

.cloud-2::before {
    width: 40px;
    height: 40px;
    top: -20px;
    left: 5px;
}

.cloud-2::after {
    width: 50px;
    height: 30px;
    top: -10px;
    right: 5px;
}

.cloud-3 {
    width: 100px;
    height: 50px;
    bottom: 30%;
    left: 20%;
    animation-delay: 4s;
}

.cloud-3::before {
    width: 60px;
    height: 60px;
    top: -30px;
    left: 15px;
}

.cloud-3::after {
    width: 70px;
    height: 50px;
    top: -20px;
    right: 15px;
}

.code-block {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 150px;
    background: var(--primary-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-heavy);
    animation: pulse 4s ease-in-out infinite;
}

.code-block::before {
    content: '</>';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--text-white);
    font-size: var(--font-size-3xl);
    font-weight: bold;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.05); }
}

/* AI Development Section */
.ai-development {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--text-white);
    position: relative;
    overflow: hidden;
}

.ai-development::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>') repeat;
    opacity: 0.3;
}

.ai-development-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    position: relative;
    z-index: 2;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(255, 255, 255, 0.2);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 50px;
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.badge-icon {
    font-size: var(--font-size-lg);
    animation: bounce 2s infinite;
}

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

.ai-development h2 {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(45deg, #fff, #f0f8ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.lead {
    font-size: var(--font-size-lg);
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

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

.ai-feature {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.ai-feature:hover {
    transform: translateX(10px);
    background: rgba(255, 255, 255, 0.15);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    flex-shrink: 0;
}

.feature-content h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.feature-content p {
    opacity: 0.8;
    line-height: 1.6;
}

.ai-cta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-lg);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    align-self: flex-start;
}

.ai-guarantee {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    opacity: 0.9;
}

.guarantee-icon {
    width: 20px;
    height: 20px;
    background: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: var(--font-size-xs);
}

/* AI Demo Visual */
.ai-development-visual {
    position: relative;
}

.ai-demo-container {
    position: relative;
    max-width: 500px;
    margin: 0 auto;
}

.ai-screen {
    background: #1e1e1e;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border: 1px solid #333;
}

.screen-header {
    background: #2d2d2d;
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    border-bottom: 1px solid #333;
}

.screen-dots {
    display: flex;
    gap: var(--spacing-xs);
}

.screen-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #666;
}

.screen-dots span:nth-child(1) { background: #ff5f57; }
.screen-dots span:nth-child(2) { background: #ffbd2e; }
.screen-dots span:nth-child(3) { background: #28ca42; }

.screen-title {
    color: #fff;
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.screen-content {
    padding: var(--spacing-md);
    min-height: 200px;
}

.code-lines {
    font-family: 'Courier New', monospace;
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

.code-line {
    margin-bottom: var(--spacing-xs);
    opacity: 0;
    transform: translateX(-20px);
    animation: typeIn 0.5s ease forwards;
}

.code-line.typing-animation {
    animation-delay: var(--delay, 0s);
}

@keyframes typeIn {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.code-comment { color: #6a9955; }
.code-keyword { color: #569cd6; }
.code-function { color: #dcdcaa; }
.code-variable { color: #9cdcfe; }
.code-class { color: #4ec9b0; }
.code-method { color: #dcdcaa; }
.code-string { color: #ce9178; }

.ai-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid #333;
    color: #fff;
    font-size: var(--font-size-sm);
}

.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--secondary-color);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.floating-icons {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.floating-icon {
    position: absolute;
    color: rgba(255, 255, 255, 0.3);
    animation: floatIcon var(--duration, 4s) infinite ease-in-out;
    animation-delay: var(--delay, 0s);
}

.floating-icon:nth-child(1) { top: 20%; right: 20%; }
.floating-icon:nth-child(2) { top: 60%; left: 10%; }
.floating-icon:nth-child(3) { bottom: 20%; right: 30%; }

@keyframes floatIcon {
    0%, 100% { transform: translateY(0) rotate(0deg); opacity: 0.3; }
    50% { transform: translateY(-20px) rotate(180deg); opacity: 0.7; }
}

/* AI Process Steps */
.ai-process {
    margin-top: var(--spacing-3xl);
    text-align: center;
}

.ai-process h3 {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    margin-bottom: var(--spacing-xl);
    color: var(--text-white);
}

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

.process-step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--text-white);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin: 0 auto var(--spacing-md);
    position: relative;
    z-index: 2;
}

.step-number::before {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    z-index: -1;
    animation: rotate 3s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.step-content h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-white);
}

.step-content p {
    opacity: 0.9;
    line-height: 1.6;
}

/* Services Section */
.services {
    padding: var(--spacing-3xl) 0;
    background: var(--background-white);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-header h2 {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
}

.section-header p {
    font-size: var(--font-size-lg);
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

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

.service-card {
    background: var(--background-white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-light);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(50px);
}

.service-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(33, 150, 243, 0.1), transparent);
    transition: left 0.6s;
}

.service-card:hover::before {
    left: 100%;
}

.service-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 20px 40px rgba(33, 150, 243, 0.2);
    border-color: var(--primary-color);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
    background: var(--primary-color);
    color: var(--text-white);
}

.service-card:hover h3 {
    color: var(--primary-color);
    transform: translateX(5px);
}

.service-icon {
    width: 64px;
    height: 64px;
    background: var(--primary-light);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.service-icon::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: var(--primary-color);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.4s ease;
    z-index: -1;
}

.service-card:hover .service-icon::before {
    width: 100%;
    height: 100%;
}

.service-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
}

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

/* About Section */
.about {
    padding: var(--spacing-3xl) 0;
    background: var(--background-light);
}

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

.about-text h2 {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
}

.about-text p {
    font-size: var(--font-size-lg);
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.stats {
    display: flex;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-light);
}

.tech-stack {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.tech-item {
    background: var(--background-white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    text-align: center;
    font-weight: 600;
    color: var(--primary-color);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

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

/* Portfolio Section */
.portfolio {
    padding: var(--spacing-3xl) 0;
    background: var(--background-light);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

.portfolio-item {
    background: var(--background-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    opacity: 0;
    transform: translateY(50px);
}

.portfolio-item.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.portfolio-item:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 20px 40px rgba(33, 150, 243, 0.15);
}

.portfolio-image {
    height: 200px;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.portfolio-logo {
    max-width: 120px;
    max-height: 80px;
    object-fit: contain;
    transition: transform 0.3s ease;
}

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

/* Special styling for project logos with branded backgrounds */

/* Ame Seu Vizinho - Orange background */
.portfolio-item:nth-child(1) .portfolio-image {
    background: linear-gradient(135deg, #ff6b35, #f7931e);
}

.portfolio-item:nth-child(1) .portfolio-logo {
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--border-radius);
    backdrop-filter: blur(10px);
}

/* SEEDSAPP - Dark blue background */
.portfolio-item:nth-child(2) .portfolio-image {
    background: linear-gradient(135deg, #1e3a8a, #1e40af);
}

.portfolio-item:nth-child(2) .portfolio-logo {
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--border-radius);
    backdrop-filter: blur(10px);
}

/* Personfy - Dark background for white logo */
.portfolio-item:nth-child(3) .portfolio-image {
    background: linear-gradient(135deg, #2c3e50, #34495e);
}

.portfolio-item:nth-child(3) .portfolio-logo {
    padding: var(--spacing-md);
    background: rgba(0, 0, 0, 0.8);
    border-radius: var(--border-radius);
    backdrop-filter: blur(10px);
}

.portfolio-logo-text {
    display: flex;
    align-items: center;
    font-family: 'Arial', sans-serif;
    font-weight: 700;
}

.logo-p {
    font-size: 3rem;
    color: var(--primary-color);
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-text {
    font-size: 2rem;
    color: var(--text-dark);
    margin-left: -5px;
}

.portfolio-overlay {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
    transform: translateY(0);
}

.ai-badge {
    background: rgba(33, 150, 243, 0.9);
    color: var(--text-white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 20px;
    font-size: var(--font-size-xs);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.ai-icon {
    font-size: var(--font-size-sm);
}

.portfolio-content {
    padding: var(--spacing-lg);
}

.portfolio-content h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
    transition: color 0.3s ease;
}

.portfolio-item:hover .portfolio-content h3 {
    color: var(--primary-color);
}

.portfolio-content p {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.portfolio-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.tag {
    background: var(--primary-light);
    color: var(--primary-color);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 15px;
    font-size: var(--font-size-xs);
    font-weight: 600;
    transition: all 0.3s ease;
}

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

/* Portfolio Stats */
.portfolio-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
    padding: var(--spacing-xl) 0;
    border-top: 2px solid var(--border-color);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--background-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-light);
    transition: transform 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
}

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary-color);
    display: block;
    margin-bottom: var(--spacing-xs);
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-light);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Contact Section */
.contact {
    padding: var(--spacing-3xl) 0;
    background: var(--background-light);
}

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

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

.contact-info p {
    font-size: var(--font-size-lg);
    color: var(--text-light);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--background-white);
    border-radius: var(--border-radius);
    text-decoration: none;
    color: var(--text-dark);
    transition: var(--transition);
    box-shadow: var(--shadow-light);
}

.contact-method:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.contact-method.whatsapp {
    color: #25D366;
}

.contact-method.email {
    color: var(--primary-color);
}

/* Form Styles */
.form {
    background: var(--background-white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-light);
}

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    transition: var(--transition);
    font-family: var(--font-primary);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.1);
}

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

/* Footer */
.footer {
    background: var(--text-dark);
    color: var(--text-white);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

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

.footer-logo {
    height: 40px;
    width: auto;
    margin-bottom: var(--spacing-md);
    filter: brightness(0) invert(1);
}

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

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

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-section ul li a {
    color: #BDBDBD;
    text-decoration: none;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--text-white);
}

.footer-section p {
    color: #BDBDBD;
    line-height: 1.6;
}

.footer-bottom {
    border-top: 1px solid #424242;
    padding-top: var(--spacing-lg);
    text-align: center;
}

.footer-bottom p {
    color: #BDBDBD;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--background-white);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: var(--spacing-xl);
        transition: var(--transition);
        box-shadow: var(--shadow-medium);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-xl);
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .stats {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 100px 0 var(--spacing-xl);
    }
    
    .hero-title {
        font-size: var(--font-size-2xl);
    }
    
    .section-header h2 {
        font-size: var(--font-size-2xl);
    }
    
    .about-text h2 {
        font-size: var(--font-size-2xl);
    }
    
    .tech-stack {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-image {
        height: 300px;
    }
}

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

/* Focus styles for keyboard navigation */
a:focus,
button:focus,
input:focus,
textarea:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --shadow-light: 0 2px 4px rgba(0,0,0,0.3);
        --shadow-medium: 0 4px 8px rgba(0,0,0,0.4);
        --shadow-heavy: 0 8px 24px rgba(0,0,0,0.5);
    }
}

/* Print styles */
@media print {
    .header,
    .nav-toggle,
    .hero-image,
    .floating-elements {
        display: none;
    }
    
    .hero {
        padding: var(--spacing-lg) 0;
        background: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    h1, h2, h3 {
        page-break-after: avoid;
    }
}