/* --- General Styles and Resets --- */
:root {
    --primary-color: #007bff; /* Tech blue */
    --secondary-color: #6c757d; /* Secondary gray */
    --light-color: #f8f9fa; /* Light gray / White */
    --dark-color: #343a40; /* Dark gray */
    --success-color: #28a745;
    --danger-color: #dc3545;
    --text-color: #212529; /* Main text color */
    --heading-font: 'Roboto', sans-serif;
    --body-font: 'Open Sans', sans-serif;
    --container-max-width: 1140px;
    --header-height: 70px; /* Header height for sticky */
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--body-font);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #fff;
    padding-top: var(--header-height); /* For sticky header */
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--heading-font);
    font-weight: 700;
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

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

p {
    margin-bottom: 1rem;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #0056b3; /* Darker blue */
    text-decoration: underline;
}

img { /* Style for actual content images, not icon placeholders */
    max-width: 100%;
    height: auto;
    display: block;
}

ul {
    list-style: none;
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 15px;
}

/* --- Utilities --- */
.section-padding {
    padding: 60px 0;
}

.bg-light {
    background-color: var(--light-color);
}

.bg-primary {
     background-color: var(--primary-color);
}

.text-light {
    color: #fff !important; /* Ensure text is light */
}

.text-light h1,
.text-light h2,
.text-light h3,
.text-light p {
    color: #fff;
}
.text-light a {
    color: var(--light-color);
}
.text-light a:hover {
    color: #eee;
}

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

.section-title {
    text-align: center;
    margin-bottom: 40px;
    font-size: 2.2rem;
    position: relative;
    padding-bottom: 10px;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
    margin: 10px auto 0;
}

/* --- Header --- */
.main-header {
    background-color: #fff;
    border-bottom: 1px solid #eee;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    height: var(--header-height);
    display: flex;
    align-items: center;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    width: 100%; /* Ensure it takes full width within container */
}

.logo-placeholder {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--dark-color);
    text-decoration: none;
}
.logo-placeholder:hover {
    text-decoration: none;
    color: var(--primary-color);
}

.main-nav ul {
    display: flex;
}

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

.main-nav a {
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 600;
    padding: 5px 0;
    position: relative;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--primary-color);
}

.main-nav a::after { /* Underline animation for active/hover nav links */
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

.main-nav a:hover::after,
.main-nav a.active::after {
    width: 100%;
}

.header-contact-info span {
    font-size: 0.9rem;
    color: var(--secondary-color);
}
.header-contact-info a {
    color: var(--dark-color);
    font-weight: bold;
    text-decoration: none;
}
.header-contact-info a:hover {
    color: var(--primary-color);
}

.mobile-menu-toggle {
    display: none; /* Hidden by default, shown in media query */
    background: none;
    border: none;
    font-size: 1.8rem;
    cursor: pointer;
    color: var(--dark-color);
}


/* --- Footer --- */
.main-footer {
    background-color: var(--dark-color);
    color: var(--light-color);
    padding-top: 40px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.main-footer h4 {
    color: #fff;
    margin-bottom: 15px;
    font-size: 1.1rem;
    border-bottom: 1px solid var(--secondary-color);
    padding-bottom: 5px;
    display: inline-block;
}

.main-footer p {
    color: #ccc;
    font-size: 0.9rem;
    line-height: 1.7;
}

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

.footer-links a {
    color: #ccc;
    text-decoration: none;
}

.footer-links a:hover {
    color: #fff;
    text-decoration: underline;
}

.footer-contact p {
    margin-bottom: 10px;
    display: flex; /* Align icon and text */
    align-items: center;
    gap: 8px; /* Space between icon and text */
}
.footer-contact a {
     color: #ccc;
}
.footer-contact a:hover {
    color: #fff;
}
.footer-icon { /* Style for icons in footer contact */
    color: var(--secondary-color);
    font-size: 1.1em;
    width: 20px; /* Fixed width for alignment */
    text-align: center;
}

.social-icons {
    margin-top: 15px;
}

.social-icons a {
    display: inline-block;
    margin-right: 15px;
    color: var(--light-color); /* Icon color */
    font-size: 1.5rem; /* Icon size */
    opacity: 0.8;
    transition: opacity 0.3s ease, color 0.3s ease;
}

.social-icons a:hover {
    opacity: 1;
    color: var(--primary-color); /* Color on hover */
}

.footer-bottom {
    background-color: #212529; /* Slightly darker than main footer bg */
    padding: 15px 0;
    text-align: center;
    font-size: 0.85rem;
    color: #aaa;
}
.footer-bottom p {
    margin: 0;
}


/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 12px 25px;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.btn:hover {
    text-decoration: none; /* Ensure underline from <a> hover doesn't persist */
    transform: translateY(-2px);
}

.btn-primary {
    background-color: var(--primary-color);
    color: #fff;
}

.btn-primary:hover {
    background-color: #0056b3; /* Darker primary */
    color: #fff;
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: #fff;
}

.btn-secondary:hover {
    background-color: #5a6268; /* Darker secondary */
     color: #fff;
}

.btn-light {
    background-color: var(--light-color);
    color: var(--dark-color);
    border: 1px solid #ddd; /* Added subtle border for light buttons */
}
.btn-light:hover {
    background-color: #e2e6ea; /* Slightly darker light */
    color: var(--dark-color);
}

.cta-button { /* For more prominent Call-to-Action buttons */
    font-size: 1.1rem;
    padding: 15px 35px;
}


/* --- Hero Section (index.html) --- */
.hero-section {
    position: relative;
    height: calc(80vh - var(--header-height));
    min-height: 450px; /* Minimum height for smaller viewports */
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
    overflow: hidden; /* Ensure background doesn't bleed */
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #333; /* Fallback color */
    /* Ensure your image path is correct. Assumes an 'images' folder relative to CSS or root. */
    background-image: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('../images/hero-placeholder.jpg');
    background-size: cover;
    background-position: center center;
    z-index: -1; /* Behind hero content */
}

.hero-content {
    max-width: 700px;
    z-index: 1; /* Above background */
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: #fff;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: #eee; /* Slightly off-white for better readability on dark bg */
}

/* --- Specific Sections (Home) --- */
.featured-services .services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.service-item {
    text-align: center;
    padding: 25px 20px; /* Increased padding slightly */
    border: 1px solid #eee;
    border-radius: 5px;
    background-color: #fff;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.service-icon { /* For Font Awesome icons in featured services */
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    display: inline-block;
}

.why-choose-us .features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-item {
    text-align: center;
    padding: 15px; /* Added some padding */
}

.feature-icon { /* For Font Awesome icons in why-choose-us */
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 10px;
    display: inline-block;
}

.testimonials-snippet .testimonial-item {
    max-width: 700px;
    margin: 0 auto 20px auto; /* Added margin for multiple testimonials */
    text-align: center;
    font-style: italic;
}

.testimonial-item blockquote p {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.testimonial-item cite {
    font-weight: bold;
    color: var(--secondary-color);
    font-style: normal;
}

.secondary-cta { /* Call to Action section styling */
    background-color: var(--primary-color);
    color: #fff;
}
.secondary-cta h2 {
     color: #fff;
     margin-bottom: 1rem;
}
.secondary-cta p {
    color: #eee;
    margin-bottom: 1.5rem;
    max-width: 600px; /* Limit width for better readability */
    margin-left: auto;
    margin-right: auto;
}


/* --- Services Page --- */
.page-title-section {
    padding: 40px 0;
    text-align: center;
}
.page-title-section h1 {
    margin-bottom: 0.5rem;
}

.services-detailed .category-title {
    margin-top: 40px;
    margin-bottom: 25px;
    font-size: 1.8rem;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 5px;
    display: inline-block; /* Keeps underline only under text */
}
.services-detailed .category-title:first-of-type {
     margin-top: 0; /* No top margin for the first category title */
}
/* Icon next to category title (as added in services.html) */
.services-detailed .category-icon {
    margin-right: 10px;
    font-size: 1.6rem; /* Adjust as needed */
}

.service-detailed-item {
    display: flex;
    gap: 25px;
    margin-bottom: 30px;
    padding: 20px;
    border: 1px solid #eee;
    border-radius: 5px;
    background-color: #fff;
    align-items: flex-start;
}

.service-icon-large { /* For Font Awesome icons in detailed service items */
    font-size: 3.5rem;
    color: var(--primary-color);
    margin-top: 5px;
    flex-shrink: 0; /* Prevent icon from shrinking */
    width: 60px;
    text-align: center;
}

.service-content h3 {
    margin-top: 0;
    color: var(--primary-color);
}

.service-content p:last-of-type {
    margin-bottom: 0.5rem;
}
.service-content strong { /* For pricing labels etc. */
    color: var(--dark-color);
}

/* --- About Us Page --- */
.about-grid {
    display: grid;
    grid-template-columns: 2fr 1fr; /* Text column wider */
    gap: 40px;
    align-items: center;
}

.about-text h2 {
    color: var(--primary-color);
    margin-top: 20px;
}
.about-text h2:first-of-type {
    margin-top: 0;
}

.about-image img {
    border-radius: 5px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 20px;
}

.team-member {
    text-align: center;
    background-color: #fff;
    padding: 20px;
    border: 1px solid #eee;
    border-radius: 5px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.team-member:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
}

.team-photo {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    margin: 0 auto 15px auto;
    object-fit: cover; /* Ensures image covers space without distortion */
    border: 3px solid var(--primary-color);
}
/* Optional: Style for Font Awesome user icon if no photo */
.team-member .fa-user-circle { /* Example if using FA icon as placeholder */
    font-size: 8rem;
    color: var(--secondary-color);
    margin-bottom: 15px;
}

.team-title {
    font-weight: bold;
    color: var(--secondary-color);
    font-size: 0.9rem;
    margin-bottom: 10px;
}
.team-member p:last-of-type { /* Bio text */
    font-size: 0.9rem;
    margin-bottom: 0;
}


/* --- Contact Page --- */
.contact-grid {
     display: grid;
    grid-template-columns: 1.2fr 1fr; /* Form column slightly wider */
    gap: 40px;
}

.contact-form-container h2,
.contact-info-container h2 {
    margin-bottom: 25px;
    font-size: 1.8rem;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.form-group textarea {
    resize: vertical; /* Allow vertical resize only */
    min-height: 120px; /* Minimum height for textarea */
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25);
}

/* Style for form status messages */
#form-status {
    margin-top: 15px;
    padding: 10px 15px;
    border-radius: 4px;
    font-weight: 500;
    display: none; /* Hidden by default, shown by JS */
}
#form-status.success {
    background-color: var(--success-color);
    color: white;
    display: block;
}
#form-status.error {
    background-color: var(--danger-color);
     color: white;
     display: block;
}

.contact-details .contact-item {
    display: flex;
    align-items: flex-start; /* Align icon to the top of the text block */
    margin-bottom: 20px;
    gap: 15px;
}

.contact-icon { /* For Font Awesome icons in contact details */
    font-size: 1.4rem;
    color: var(--primary-color);
    margin-top: 3px;
    width: 25px;
    text-align: center;
    flex-shrink: 0;
}

.contact-item strong { /* Labels like Phone:, Email: */
    display: block;
    margin-bottom: 3px;
    color: var(--dark-color);
}

.map-container {
    margin-top: 30px;
}
.map-container h3 {
    margin-bottom: 15px;
}
.map-placeholder { /* If not using an embedded map */
     border: 1px solid #ccc;
     min-height: 300px;
     background-color: #f0f0f0;
     display: flex;
     align-items: center;
     justify-content: center;
     flex-direction: column;
     text-align: center;
     font-style: italic;
     color: #666;
     border-radius: 5px; /* Added border-radius */
}
.map-placeholder img { /* If using placeholder img from via.placeholder.com */
    border: none; /* Remove double border if img has one */
    border-radius: 4px;
}

.alternative-cta { /* For "Need Urgent Help?" box */
    margin-top: 30px;
    padding: 20px;
    background-color: var(--light-color);
    border: 1px solid #eee;
    border-radius: 5px;
    text-align: center;
}
.alternative-cta h3 {
    margin-bottom: 10px;
}

/* --- Project Specific Sections (Added to About Page) --- */
.project-section {
    background-color: #f8f9fa; /* Consistent with .bg-light */
    padding: 25px;
    margin-top: 40px;
    border-radius: 8px;
    border: 1px solid #eee;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.project-section h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.8rem;
    border-bottom: 2px solid var(--secondary-color);
    padding-bottom: 5px;
    display: inline-block;
}

.project-section p,
.project-section ol {
    margin-bottom: 1rem;
    line-height: 1.7;
    font-size: 0.95rem;
    /* text-align: justify; */ /* Justify can sometimes make readability harder */
}

.project-section ol {
    padding-left: 30px; /* Standard indentation for ordered lists */
}
.project-section li {
    margin-bottom: 0.5rem;
}

.project-section strong {
     font-weight: 600; /* Ensure it's not overridden by browser defaults */
     color: var(--dark-color);
}

.project-section em {
    font-style: italic;
    color: var(--secondary-color); /* Use a theme color */
}

.project-section a {
    font-weight: 600; /* Make links in this section stand out a bit */
}


/* --- Responsive Design --- */

/* Tablets and Small Desktops */
@media (max-width: 992px) {
    .container {
        max-width: 960px;
    }
    h1 { font-size: 2.2rem; }
    h2 { font-size: 1.8rem; }

    .about-grid {
        grid-template-columns: 1fr; /* Single column layout */
        text-align: center;
    }
    .about-image {
        order: -1; /* Image on top */
        margin-bottom: 30px;
        margin-left: auto; /* Center image if it's not full width */
        margin-right: auto;
    }
    .contact-grid {
         grid-template-columns: 1fr; /* Single column layout */
    }
    .contact-info-container {
        margin-top: 40px; /* Space between form and info on mobile */
    }
}

/* Large Mobiles and Small Tablets */
@media (max-width: 768px) {
     body { /* Adjust header height for smaller screens */
        padding-top: calc(var(--header-height) - 10px);
    }
     .main-header {
         height: calc(var(--header-height) - 10px);
    }

    h1 { font-size: 2rem; }
    .hero-section {
        height: auto; /* Adjust height for content */
        min-height: 400px;
        padding: 60px 0; /* Reduced padding */
    }
    .hero-content h1 { font-size: 2.5rem; }

    .main-nav { /* Prepare for mobile menu */
        position: relative;
    }

    .main-nav .nav-links {
        /* JS toggles .active class to show/hide */
        display: none;
        position: absolute;
        top: calc(100% + 10px); /* Position below header */
        right: -15px; /* Align to the right of the container padding */
        background-color: #fff;
        flex-direction: column;
        width: 250px;
        border: 1px solid #eee;
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
        padding: 10px 0;
        z-index: 1100; /* Ensure it's above other content */
    }
     .main-nav .nav-links.active { /* Class added by JS */
        display: flex;
    }

    .main-nav li {
        margin: 0;
        width: 100%;
    }
    .main-nav a {
        display: block;
        padding: 12px 20px; /* Increased padding for touch targets */
        width: 100%;
        border-bottom: 1px solid #f0f0f0; /* Lighter border */
    }
     .main-nav li:last-child a {
        border-bottom: none;
    }
    .main-nav a::after { /* Remove underline animation for mobile nav items */
        display: none;
    }

    .mobile-menu-toggle {
        display: block; /* Show hamburger icon */
    }

    .header-contact-info {
        display: none; /* Hide header contact info on small screens */
    }

    .footer-content {
        grid-template-columns: 1fr; /* Stack footer widgets */
        text-align: center;
    }
    .footer-content > div { /* Each footer widget */
        margin-bottom: 20px;
    }
     .main-footer h4 { /* Footer headings centered */
        display: block;
        border-bottom: none;
        padding-bottom: 0;
        margin-bottom: 10px;
    }
     .social-icons { /* Center social icons */
        justify-content: center;
        display: flex;
    }
     .footer-contact p {
         justify-content: center; /* Center icon and text in footer on mobile */
     }
    .service-detailed-item { /* Stack service item content on mobile */
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    .service-icon-large {
        margin-bottom: 15px;
        margin-top: 0;
        width: auto; /* Reset width */
    }
}

/* Small Mobiles */
@media (max-width: 576px) {
     h1 { font-size: 1.8rem; }
     h2 { font-size: 1.6rem; }
     .hero-content h1 { font-size: 2rem; }
     .hero-content p { font-size: 1rem; }
     .cta-button { padding: 12px 25px; font-size: 1rem; }

     .section-padding { padding: 40px 0; }
     .section-title { font-size: 1.9rem; margin-bottom: 30px;}


     .featured-services .services-grid,
     .why-choose-us .features-grid,
     .team-grid {
        grid-template-columns: 1fr; /* Single column for all grids */
     }

    /* Responsive adjustments for Project Sections */
    .project-section {
         padding: 20px 15px; /* Adjust padding */
         margin-top: 30px;
    }
    .project-section h2 {
        font-size: 1.5rem;
    }
    .project-section p,
    .project-section ol {
        font-size: 0.9rem; /* Slightly smaller font for readability on small screens */
    }
}
/* --- Custom Button for Secondary CTA on Dark Background --- */
.btn-cta-contrast {
    background-color: var(--secondary-color); /* Gris oscuro/medio */
    color: var(--light-color); /* Texto claro */
    border: 1px solid var(--dark-color); /* Un borde sutil más oscuro */
}

.btn-cta-contrast:hover {
    background-color: #5a6268; /* Un gris un poco más oscuro al pasar el ratón */
    color: #fff; /* Texto blanco */
    border-color: #343a40;
}