/* Reset e configurações básicas */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-blue: #1e5aa8;
    --secondary-blue: #4a90e2;
    --light-blue: #e8f4fd;
    --yellow: #ffd700;
    --white: #ffffff;
    --black: #333333;
    --gray: #666666;
    --light-gray: #f8f9fa;
    --shadow: rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--black);
    overflow-x: hidden;
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--light-blue);
    box-shadow: none;
    transition: none;
}

.navbar {
    padding: 1rem 0;
}

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

.nav-logo .logo {
    height: 70px;
    width: auto;
}

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

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

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

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

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

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

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

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    overflow: hidden;
}

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

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.slide.active {
    opacity: 1;
}

.slide-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slide-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: var(--white);
    z-index: 2;
    max-width: 800px;
    padding: 0 20px;
}

.slide-content::before {
    content: '';
    position: absolute;
    top: -50px;
    left: -50px;
    right: -50px;
    bottom: -50px;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 20px;
    z-index: -1;
}

.slide-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.slide-content p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.cta-button {
    display: inline-block;
    background: var(--primary-blue);
    color: var(--white);
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(30, 90, 168, 0.3);
}

.cta-button:hover {
    background: var(--secondary-blue);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(30, 90, 168, 0.4);
}

.slider-controls {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 30px;
    z-index: 3;
}

.prev-btn, .next-btn {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: var(--white);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.prev-btn:hover, .next-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.slider-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 3;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: var(--white);
    transform: scale(1.2);
}

/* About Section */
.about {
    padding: 100px 0;
    background: var(--light-gray);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 {
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: 2rem;
    font-weight: 700;
}

.about-text p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: var(--gray);
    text-align: justify;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 3rem;
}

.value-item {
    background: var(--white);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px var(--shadow);
    transition: transform 0.3s ease;
}

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

.value-icon {
    width: 60px;
    height: 60px;
    background: var(--light-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.value-icon i {
    font-size: 1.5rem;
    color: var(--primary-blue);
}

.value-item h3 {
    font-size: 1.3rem;
    color: var(--primary-blue);
    margin-bottom: 15px;
    font-weight: 600;
}

.value-item p {
    font-size: 0.95rem;
    color: var(--gray);
    line-height: 1.6;
}

.about-image {
    text-align: center;
}

.building-image {
    width: 100%;
    max-width: 400px;
    border-radius: 20px;
    box-shadow: 0 10px 30px var(--shadow);
}

/* Products Section */
.products {
    padding: 100px 0;
    background: var(--white);
}

.products h2 {
    text-align: center;
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
    font-weight: 700;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--gray);
    margin-bottom: 4rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.product-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 5px 25px var(--shadow);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.product-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-blue);
    box-shadow: 0 15px 40px rgba(30, 90, 168, 0.2);
}

.product-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
}

.product-icon i {
    font-size: 2rem;
    color: var(--white);
}

.product-card h3 {
    font-size: 1.4rem;
    color: var(--primary-blue);
    margin-bottom: 20px;
    font-weight: 600;
}

.product-card p {
    color: var(--gray);
    line-height: 1.6;
    margin-bottom: 15px;
}

.product-card ul {
    list-style: none;
    text-align: left;
}

.product-card li {
    color: var(--gray);
    padding: 5px 0;
    position: relative;
    padding-left: 20px;
}

.product-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-blue);
    font-weight: bold;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: var(--light-blue);
}

.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
    font-weight: 700;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 4rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 30px;
}

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

.contact-icon i {
    color: var(--white);
    font-size: 1.2rem;
}

.contact-details h3 {
    color: var(--primary-blue);
    font-size: 1.2rem;
    margin-bottom: 10px;
    font-weight: 600;
}

.contact-details p {
    color: var(--gray);
    margin-bottom: 5px;
}

.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px var(--shadow);
}

.form-group {
    margin-bottom: 25px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    font-family: inherit;
}

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

.submit-btn {
    width: 100%;
    background: var(--primary-blue);
    color: var(--white);
    padding: 15px;
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-btn:hover {
    background: var(--secondary-blue);
    transform: translateY(-2px);
}

/* Footer */
.footer {
    background: var(--primary-blue);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo .logo {
    height: 60px;
    margin-bottom: 20px;
    filter: brightness(0) invert(1);
}

.footer-logo p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

.footer-links h4,
.footer-contact h4 {
    margin-bottom: 20px;
    font-size: 1.2rem;
    font-weight: 600;
}

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

.footer-links li {
    margin-bottom: 10px;
}

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

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

.footer-contact p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    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: 0 10px 27px var(--shadow);
        padding: 20px 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 15px 0;
    }
    
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .slide-content h1 {
        font-size: 2.5rem;
    }
    
    .slide-content p {
        font-size: 1.1rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .slider-controls {
        padding: 0 20px;
    }
    
    .prev-btn, .next-btn {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .slide-content {
        padding: 0 15px;
    }
    
    .slide-content h1 {
        font-size: 2rem;
    }
    
    .slide-content p {
        font-size: 1rem;
    }
    
    .cta-button {
        padding: 12px 25px;
        font-size: 1rem;
    }
    
    .about, .products, .contact {
        padding: 60px 0;
    }
    
    .about h2, .products h2, .contact h2 {
        font-size: 2rem;
    }
    
    .contact-form {
        padding: 30px 20px;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Loading animation */
.loading {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.loading.loaded {
    opacity: 1;
    transform: translateY(0);
}