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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    background-attachment: fixed;
    position: relative;
}

/* Paper texture overlay */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 1px 1px, rgba(255,255,255,0.15) 1px, transparent 0);
    background-size: 20px 20px;
    pointer-events: none;
    z-index: -1;
    opacity: 0.3;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Color Variables */
:root {
    --primary-color: #1e3a8a; /* Azul escuro */
    --secondary-color: #dc2626; /* Vermelho */
    --accent-color: #3b82f6; /* Azul médio */
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --white: #ffffff;
    --light-gray: #f8fafc;
    --border-color: #e5e7eb;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-light);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-weight: 500;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: var(--white);
    box-shadow: var(--shadow);
}

.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);
}

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

.navbar {
    padding: 1rem 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo h1 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin: 0;
}

.logo span {
    color: var(--secondary-color);
}

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

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--secondary-color);
    transition: width 0.3s ease;
}

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

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    margin: 3px 0;
    transition: 0.3s;
}

/* WhatsApp Button */
.whatsapp-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
}

.whatsapp-btn a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: #25d366;
    color: white;
    border-radius: 50%;
    font-size: 1.5rem;
    text-decoration: none;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
}

.whatsapp-btn a:hover {
    transform: scale(1.1);
    box-shadow: 0 15px 25px -5px rgba(37, 211, 102, 0.4);
}

/* Main Content */
main {
    margin-top: 80px;
}

/* Hero Section */
.hero {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.hero::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="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="%23ffffff" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>') repeat;
    opacity: 0.1;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--white);
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.9);
}

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

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-graphic {
    width: 200px;
    height: 200px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--white);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

/* Services Highlights */
.services-highlights {
    padding: 80px 0;
    background: var(--white);
}

.services-highlights h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.service-card i {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.service-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* About Section */
.about {
    padding: 80px 0;
    background: var(--light-gray);
}

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

.about h2 {
    color: var(--primary-color);
    margin-bottom: 2rem;
}

.about-features {
    margin-top: 2rem;
}

.feature {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.feature i {
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin-top: 0.25rem;
}

.feature h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.about-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.about-graphic {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    color: var(--white);
    box-shadow: var(--shadow-lg);
}

/* Services Section */
.services {
    padding: 80px 0;
    background: var(--white);
}

.services h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 3rem;
}

.services-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.service-category {
    background: var(--light-gray);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.service-category h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.service-category i {
    color: var(--secondary-color);
}

.service-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.service-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--white);
    border-radius: 8px;
    border-left: 4px solid var(--secondary-color);
    transition: all 0.3s ease;
}

.service-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow);
}

.service-name {
    font-weight: 500;
    color: var(--text-dark);
}

.service-price {
    font-weight: 600;
    color: var(--secondary-color);
    font-size: 1.1rem;
}

/* Portfolio Section */
.portfolio {
    padding: 80px 0;
    background: var(--light-gray);
}

.portfolio h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 2rem;
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--primary-color);
    background: transparent;
    color: var(--primary-color);
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

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

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.portfolio-item {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
    position: relative;
    animation: portfolioFloat 6s ease-in-out infinite;
}

@keyframes portfolioFloat {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    25% { transform: translateY(-5px) rotate(0.5deg); }
    50% { transform: translateY(-10px) rotate(0deg); }
    75% { transform: translateY(-5px) rotate(-0.5deg); }
}

.portfolio-item:nth-child(even) {
    animation-delay: -3s;
}

.portfolio-item:nth-child(3n) {
    animation-delay: -1.5s;
}

.portfolio-item:hover {
    transform: translateY(-15px) scale(1.05) rotate(2deg);
    box-shadow: 0 25px 50px rgba(0,0,0,0.3);
    z-index: 10;
}

.portfolio-image {
    height: 250px;
    background: linear-gradient(135deg, #1e3c72, #2a5298, #ff6b6b, #4ecdc4, #45b7d1, #96ceb4);
    background-size: 400% 400%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--white);
    position: relative;
    overflow: hidden;
    animation: gradientShift 8s ease infinite;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    25% { background-position: 100% 50%; }
    50% { background-position: 100% 100%; }
    75% { background-position: 0% 100%; }
    100% { background-position: 0% 50%; }
}

.portfolio-image img {
    transition: all 0.6s cubic-bezier(0.23, 1, 0.320, 1);
    filter: brightness(0.9) contrast(1.1);
    border-radius: 8px;
}

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.1) rotate(3deg);
    filter: brightness(1.1) contrast(1.2) saturate(1.3) hue-rotate(10deg);
}

.portfolio-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255,255,255,0.3), 
        rgba(255,215,0,0.4), 
        rgba(255,255,255,0.3), 
        transparent);
    transition: left 0.8s ease;
    z-index: 2;
}

.portfolio-item:hover .portfolio-image::before {
    left: 100%;
}

.portfolio-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, 
        rgba(255,255,255,0.1) 0%, 
        rgba(255,215,0,0.2) 30%, 
        rgba(255,105,180,0.1) 60%, 
        transparent 100%);
    opacity: 0;
    transition: opacity 0.5s ease;
    animation: colorPulse 4s ease-in-out infinite;
    z-index: 1;
}

@keyframes colorPulse {
    0%, 100% { opacity: 0; }
    50% { opacity: 0.7; }
}

.portfolio-item:hover .portfolio-image::after {
    opacity: 1;
}

.portfolio-info {
    padding: 1.5rem;
    background: linear-gradient(135deg, #f8f9fa, #ffffff);
    position: relative;
    overflow: hidden;
}

.portfolio-info::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, #ff6b6b, #4ecdc4, #45b7d1, #96ceb4);
    transition: left 0.6s ease;
}

.portfolio-item:hover .portfolio-info::before {
    left: 100%;
}

.portfolio-info h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    transition: all 0.4s ease;
    position: relative;
    display: inline-block;
}

.portfolio-info h4::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #ff6b6b, #4ecdc4);
    transition: all 0.4s ease;
    transform: translateX(-50%);
}

.portfolio-item:hover .portfolio-info h4 {
    color: #ff6b6b;
    transform: translateY(-3px);
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.portfolio-item:hover .portfolio-info h4::after {
    width: 100%;
}

.portfolio-info h4 span {
    display: inline-block;
    transition: all 0.3s ease;
    animation: letterFloat 4s ease-in-out infinite;
}

.portfolio-info h4 span:nth-child(odd) {
    animation-delay: 0s;
}

.portfolio-info h4 span:nth-child(even) {
    animation-delay: 0.2s;
}

.portfolio-info h4 span:nth-child(3n) {
    animation-delay: 0.4s;
}

@keyframes letterFloat {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    25% { transform: translateY(-2px) rotate(1deg); }
    50% { transform: translateY(-4px) rotate(0deg); }
    75% { transform: translateY(-2px) rotate(-1deg); }
}

.portfolio-item:hover .portfolio-info h4 span:nth-child(odd) {
    transform: translateY(-5px) rotate(3deg) scale(1.1);
    color: #ff6b6b;
    text-shadow: 0 3px 6px rgba(255, 107, 107, 0.3);
    animation: letterBounce 0.6s ease infinite alternate;
}

.portfolio-item:hover .portfolio-info h4 span:nth-child(even) {
    transform: translateY(-3px) rotate(-2deg) scale(1.05);
    color: #4ecdc4;
    text-shadow: 0 3px 6px rgba(78, 205, 196, 0.3);
    animation: letterBounce 0.6s ease infinite alternate-reverse;
}

.portfolio-item:hover .portfolio-info h4 span:nth-child(3n) {
    transform: translateY(-7px) rotate(4deg) scale(1.15);
    color: #45b7d1;
    text-shadow: 0 4px 8px rgba(69, 183, 209, 0.4);
    animation: letterSpin 0.8s ease infinite;
}

@keyframes letterBounce {
    0% { transform: translateY(-3px) scale(1.05); }
    100% { transform: translateY(-8px) scale(1.2); }
}

@keyframes letterSpin {
    0% { transform: translateY(-7px) rotate(0deg) scale(1.15); }
    50% { transform: translateY(-10px) rotate(180deg) scale(1.3); }
    100% { transform: translateY(-7px) rotate(360deg) scale(1.15); }
}

.portfolio-info p {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.5;
    transition: all 0.4s ease;
    position: relative;
}

.portfolio-item:hover .portfolio-info p {
    color: #4ecdc4;
    transform: translateY(-2px);
    font-weight: 500;
}

/* Forms */
.quote, .file-upload, .contact {
    padding: 80px 0;
}

.quote {
    background: var(--white);
}

.file-upload {
    background: var(--light-gray);
}

.contact {
    background: var(--white);
}

.quote h2, .file-upload h2, .contact h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 3rem;
}

.quote-form, .contact-form {
    max-width: 800px;
    margin: 0 auto;
    background: var(--light-gray);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    background: var(--white);
}

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

.form-group small {
    color: var(--text-light);
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: block;
}

/* File Upload */
.upload-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.upload-info {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.upload-info h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.upload-info ul {
    list-style: none;
    margin-bottom: 2rem;
}

.upload-info li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.upload-info li:last-child {
    border-bottom: none;
}

.contact-info {
    background: var(--light-gray);
    padding: 1.5rem;
    border-radius: 8px;
    margin-top: 1rem;
}

.contact-info p {
    margin-bottom: 0.5rem;
}

.upload-form {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.file-drop-zone {
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.file-drop-zone:hover {
    border-color: var(--primary-color);
    background: var(--light-gray);
}

.file-drop-zone i {
    font-size: 2rem;
    color: var(--text-light);
    margin-bottom: 1rem;
}

.file-drop-zone input[type="file"] {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.contact-info {
    background: var(--light-gray);
    padding: 2rem;
    border-radius: 12px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin-top: 0.25rem;
}

.contact-item h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.map-container {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.map-container iframe {
    border-radius: 12px;
}

/* Footer */
.footer {
    background: var(--primary-color);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    color: var(--white);
    margin-bottom: 1rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.5rem;
}

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

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

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

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

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.8);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 1rem 0;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .services-categories {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .upload-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .portfolio-filters {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 1rem;
    }
    
    .hero-graphic {
        width: 150px;
        height: 150px;
        font-size: 3rem;
    }
    
    .about-graphic {
        width: 200px;
        height: 200px;
        font-size: 3rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 60px 0;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .services-highlights,
    .about,
    .services,
    .portfolio,
    .quote,
    .file-upload,
    .contact {
        padding: 60px 0;
    }
    
    .quote-form,
    .upload-form,
    .contact-form {
        padding: 1.5rem;
    }
    
    .whatsapp-btn {
        bottom: 15px;
        right: 15px;
    }
    
    .whatsapp-btn a {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
}

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

.service-card,
.portfolio-item,
.feature {
    animation: fadeInUp 0.6s ease-out;
}

/* Loading States */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
}

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

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.hidden { display: none; }
.visible { display: block; }

/* Print Styles */
@media print {
    .header,
    .whatsapp-btn,
    .footer {
        display: none;
    }
    
    body {
        background: white;
    }
    
    .hero {
        background: white;
        color: black;
    }
}