/* CSS Variables - Updated based on feedback */
:root {
    --primary-color: #0D47A1; /* Darker Blue for better contrast */
    --secondary-color: #4DB6AC; /* Teal */
    --support-color: #616161; /* Gray */
    --highlight-color: #4DB6AC; /* Teal - Replaced Orange for CTAs */
    --text-color: #212121; /* Darker Gray for body text */
    --light-gray: #f8f9fa; /* Slightly lighter gray */
    --white-color: #ffffff;
    --font-title: 'Montserrat', sans-serif;
    --font-text: 'Open Sans', sans-serif;
}

/* Basic Reset & Body Styling */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-text);
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white-color);
}

/* Mobile Header Compact */
.mobile-header {
    position: fixed;
    top: -100px;
    left: 0;
    width: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white-color);
    z-index: 1001;
    padding: 10px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: top 0.3s ease;
}

.mobile-header.active {
    top: 0;
}

.mobile-header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo-compact {
    font-family: var(--font-title);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white-color);
}

.mobile-header-actions {
    display: flex;
    gap: 10px;
}

.mobile-whatsapp-btn,
.mobile-orcamento-btn {
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.mobile-whatsapp-btn {
    background-color: #25D366;
    color: white;
}

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

.mobile-whatsapp-btn:hover,
.mobile-orcamento-btn:hover {
    transform: scale(1.05);
}

body.mobile-header-active {
    padding-top: 60px;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

h1, h2, h3 {
    font-family: var(--font-title);
    font-weight: 700; /* Bold */
    margin-bottom: 1rem;
    color: var(--primary-color);
}

h4 {
    font-family: var(--font-title);
    font-weight: 600; /* Semi-Bold */
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

p {
    margin-bottom: 1rem;
}

a {
    text-decoration: none;
    color: var(--primary-color);
}

ul {
    list-style: none;
}

/* Header */
.header {
    background-color: var(--white-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

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

.logo {
    font-family: var(--font-title);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-menu ul {
    display: flex;
}

.nav-menu ul li {
    margin-left: 20px;
}

.nav-menu ul li a {
    font-family: var(--font-title);
    font-weight: 600;
    color: var(--support-color); /* Gray #616161 on White - Contrast 4.85:1 (AA OK) */
    transition: color 0.3s ease;
}

.nav-menu ul li a:hover {
    color: var(--primary-color);
}

/* CTA Button General Style - Using Teal */
.cta-button {
    display: inline-block;
    background-color: var(--highlight-color); /* Teal */
    color: var(--white-color); /* White text on Teal - Contrast 3.05:1 (AA OK for large/bold) */
    padding: 10px 20px;
    border-radius: 5px;
    font-family: var(--font-title);
    font-weight: 600;
    transition: background-color 0.3s ease;
    border: none;
    cursor: pointer;
    text-align: center;
}

.cta-button:hover {
    background-color: #26a69a; /* Darker Teal */
}

.header-cta {
    font-size: 0.9rem;
}

/* Hero Section - Improved Legibility */
.hero {
    position: relative; /* Needed for overlay */
    background: url('../images/hero-bg.jpg') no-repeat center center/cover; /* Placeholder BG */
    color: var(--white-color);
    padding: 120px 0;
    text-align: center;
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}

/* Overlay for better text contrast */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(13, 71, 161, 0.6); /* Dark Blue overlay with 60% opacity */
    z-index: -1;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--white-color);
    text-shadow: 1px 1px 3px rgba(0,0,0,0.5); /* Add subtle shadow */
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.4); /* Add subtle shadow */
}

/* General Section Styling */
section {
    padding: 60px 0;
}

section:nth-child(even) {
    background-color: var(--light-gray);
}

section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 40px;
}

/* About Section */
.about .container {
    text-align: center;
}

.about p {
    max-width: 800px;
    margin: 0 auto 20px auto;
    color: var(--text-color);
}

.profile-pic {
    display: block;
    margin: 30px auto 0 auto;
    width: 180px;
    height: 180px;
    object-fit: cover;
    border-radius: 50%;
    border: 5px solid var(--primary-color);
    box-shadow: 0 4px 24px rgba(13,71,161,0.12);
    background: #fff;
}

/* Services Section */
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.service-item {
    background-color: var(--white-color);
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
}

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

.service-icon {
    font-size: 2.1rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    background-color: #e3f2fd;
    width: 60px;
    height: 60px;
    line-height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(13,71,161,0.08);
    transition: background 0.2s, color 0.2s;
}
.service-item:hover .service-icon {
    background: var(--primary-color);
    color: #fff;
}

.service-item h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

/* Features Section */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    text-align: center;
}

.feature-item {
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.feature-icon {
    font-size: 1.7rem;
    color: var(--primary-color);
    margin-bottom: 10px;
    background-color: #e3f2fd;
    width: 50px;
    height: 50px;
    line-height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(13,71,161,0.08);
    transition: background 0.2s, color 0.2s;
}
.feature-item:hover .feature-icon {
    background: var(--primary-color);
    color: #fff;
}
@media (max-width: 768px) {
    .profile-pic {
        width: 120px;
        height: 120px;
    }
}

.feature-item h4 {
    font-size: 1.2rem;
    color: var(--primary-color); /* Changed from Teal to Dark Blue */
}

/* Testimonials Section */

/* Seção de Depoimentos/Cases - Contraste aprimorado */
.testimonials {
    background-color: #0D47A1; /* Azul escuro para máximo contraste */
    color: #fff;
}

.testimonials h2 {
    color: #fff;
    text-shadow: 1px 1px 4px rgba(0,0,0,0.5);
}


/* Contraste e legibilidade aprimorados para textos da seção de depoimentos/cases */

/* Contraste máximo para textos da seção de depoimentos/cases */
.testimonials p,
.testimonials strong {
    color: #fff;
    text-shadow: 3px 3px 10px rgba(0,0,0,0.95);
    font-size: 1.18rem;
    font-weight: 500;
    letter-spacing: 0.01em;
}

.testimonials h2 {
    color: #fff;
    text-shadow: 3px 3px 12px rgba(0,0,0,1);
    font-size: 2.8rem;
    margin-bottom: 2.2rem;
}

.testimonial-placeholder {
    background-color: rgba(0,0,0,0.12);
    color: #fff;
    font-size: 1.13rem;
    font-style: italic;
    font-weight: 400;
    box-shadow: 0 2px 16px rgba(0,0,0,0.18);
    border: 2px solid rgba(255,255,255,0.22);
    margin-bottom: 20px;
}

.testimonials h2 {
    color: #fff;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.8);
    font-size: 2.7rem;
    margin-bottom: 2rem;
}

.testimonial-placeholder {
    background-color: rgba(255,255,255,0.22);
    color: #e3e3e3;
    font-size: 1.1rem;
    font-style: italic;
    font-weight: 400;
    box-shadow: 0 2px 12px rgba(0,0,0,0.10);
    border: 1.5px solid rgba(255,255,255,0.18);
    margin-bottom: 18px;
}

.testimonials .fa,
.testimonials .material-icons {
    color: #fff;
}

.testimonial-placeholder {
    background-color: rgba(255,255,255,0.10);
    color: #fff;
    padding: 30px;
    margin-top: 20px;
    border-radius: 5px;
    text-align: center;
    font-style: italic;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.testimonials .fa,
.testimonials .material-icons {
    color: #fff;
}

/* Contact Section */
.contact-form {
    max-width: 600px;
    margin: 30px auto;
    padding: 30px;
    background: var(--light-gray);
    border-radius: 8px;
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form input[type="tel"],
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-family: var(--font-text);
    font-size: 1rem;
}

.contact-form textarea {
    height: 150px;
    resize: vertical;
}

.contact-form button {
    width: 100%;
    padding: 15px;
    font-size: 1rem;
}

.contact-info {
    text-align: center;
    margin-top: 40px;
}

.contact-info p {
    margin-bottom: 10px;
}

.contact-info strong {
    color: var(--primary-color);
}

.contact-info a {
    color: var(--secondary-color);
    font-weight: bold;
}

/* WhatsApp Button Styling */
.whatsapp-priority {
    background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
    color: white;
    padding: 25px;
    border-radius: 15px;
    text-align: center;
    margin-bottom: 30px;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}

.whatsapp-priority h3 {
    color: white;
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.whatsapp-button {
    display: inline-block;
    background-color: white;
    color: #25d366;
    padding: 15px 30px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 3px 10px rgba(0,0,0,0.2);
    margin: 10px 0;
}

.whatsapp-button:hover {
    background-color: #f0f0f0;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

.whatsapp-priority p {
    color: #e8f5e8;
    font-size: 0.9rem;
    margin-top: 10px;
    margin-bottom: 0;
}

.other-contacts {
    background-color: var(--light-gray);
    padding: 25px;
    border-radius: 15px;
    text-align: center;
    margin: 0 auto;
    max-width: 100%;
}

.other-contacts p {
    text-align: center;
    margin: 10px auto;
}

/* Footer */
.footer {
    background-color: var(--primary-color);
    color: var(--white-color);
    padding: 40px 0 20px 0;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
}

.footer-logo {
    font-family: var(--font-title);
    font-size: 2rem;
    font-weight: 700;
}

.footer-links ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
}

.footer-links a {
    color: var(--white-color);
    font-weight: 600;
    transition: color 0.3s ease;
}

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

.footer-social p {
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.social-icons a {
    color: var(--white-color);
    font-size: 1.8rem;
    margin: 0 12px;
    transition: color 0.3s ease;
}

.social-icons a:hover {
    color: var(--secondary-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 20px;
    font-size: 0.9rem;
}

.footer-bottom p {
    margin-bottom: 5px;
}

@media (min-width: 768px) {
    .footer-content {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        text-align: left;
    }

    .footer-logo {
        margin-bottom: 0;
    }

    .footer-links ul {
        gap: 20px;
    }

    .footer-social {
        text-align: right;
    }
}

/* Mobile Compact Header */
.mobile-header {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    padding: 8px 15px;
    z-index: 1001;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
    transform: translateY(-100%);
    transition: transform 0.3s ease-in-out;
}

.mobile-header.active {
    transform: translateY(0);
}

.mobile-header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 100%;
}

.mobile-header .logo-compact {
    font-family: var(--font-title);
    font-size: 1.2rem;
    font-weight: 700;
    color: white;
}

.mobile-header-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

.mobile-whatsapp-btn {
    background-color: #25d366;
    color: white;
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(37, 211, 102, 0.3);
}

.mobile-whatsapp-btn:hover {
    background-color: #128c7e;
    transform: scale(1.05);
}

.mobile-orcamento-btn {
    background-color: white;
    color: var(--primary-color);
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.mobile-orcamento-btn:hover {
    background-color: #f8f9fa;
    transform: scale(1.05);
}

/* Show mobile header only on small screens */
@media (max-width: 768px) {
    .mobile-header {
        display: block;
    }
    
    /* Add top padding to body when mobile header is active */
    body.mobile-header-active {
        padding-top: 60px;
    }
    
    /* Hide regular header on mobile when scrolling */
    .header.hidden {
        transform: translateY(-100%);
        transition: transform 0.3s ease-in-out;
    }
}

/* Mobile optimizations for container spacing */
@media (max-width: 768px) {
    .container {
        padding: 0 15px; /* Reduce padding on mobile */
    }
    
    /* Reduce section padding on mobile */
    section {
        padding: 40px 0; /* Reduced from default */
    }
    
    .hero {
        padding: 60px 0 40px 0;
    }
    
    .hero h1 {
        font-size: 2.2rem;
        line-height: 1.2;
        margin-bottom: 1rem;
    }
    
    .hero p {
        font-size: 1rem;
        margin-bottom: 2rem;
    }
    
    /* Improve mobile header visibility */
    .mobile-header {
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
    }
    
    /* Hide navigation menu on mobile for more space */
    .nav-menu {
        display: none;
    }
    
    /* Make header more compact on mobile */
    .header {
        padding: 0.8rem 0;
    }
    
    .header .container {
        justify-content: space-between;
    }
    
    /* Service grid improvements */
    .service-grid {
        gap: 20px;
    }
    
    .service-item {
        padding: 20px;
    }
    
    /* Feature grid improvements */
    .feature-grid {
        gap: 20px;
    }
    
    .feature-item {
        padding: 20px;
    }
    
    /* Contact section optimization */
    .contact {
        padding: 40px 0;
    }
    
    .contact-form {
        padding: 25px 20px;
        margin-bottom: 25px;
    }
    
    .whatsapp-priority {
        padding: 20px;
        margin-bottom: 25px;
    }
    
    /* Footer optimization */
    .footer {
        padding: 30px 0 20px 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 10px; /* Even more compact on very small screens */
    }
    
    .mobile-header-content {
        padding: 0 5px;
    }
    
    .mobile-whatsapp-btn,
    .mobile-orcamento-btn {
        padding: 6px 12px;
        font-size: 0.8rem;
    }
    
    .hero h1 {
        font-size: 1.8rem;
    }
    
    section {
        padding: 30px 0;
    }
}