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

/* Screen reader only class for accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #fff;
    background: #000;
}

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

/* Header Styles */
.header {
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.navbar {
    background: #000;
    padding: 1rem 0;
    position: relative;
    z-index: 10;
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-logo .logo {
    height: 50px;
    width: auto;
}

.company-name {
    font-size: 1.5rem;
    font-weight: bold;
    color: #fff;
}

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

.nav-menu a {
    text-decoration: none;
    color: #fff;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: #3498db;
}

/* Hero Section */
.hero-section {
    position: relative;
    height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background-image: url('images/ElevatePDHeader.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-content {
    text-align: center;
    color: white;
    z-index: 1;
    background: rgba(0,0,0,0.5);
    padding: 2rem;
    border-radius: 10px;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.tagline {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
}

.cta-button {
    display: inline-block;
    background: #3498db;
    color: white;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: background 0.3s ease;
}

.cta-button:hover {
    background: #2980b9;
}

/* Section Styles */
.section {
    padding: 4rem 0;
}

.section:nth-child(even) {
    background: #111;
}

.section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #fff;
}

/* Overview Section */
.overview p {
    font-size: 1.1rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
    color: #fff;
}

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

.service-card {
    background: #1a1a1a;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(255,255,255,0.1);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    color: #fff;
}

.service-card.featured {
    background: linear-gradient(135deg, #2c3e50, #3498db);
    border: 2px solid #3498db;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 25px rgba(255,255,255,0.2);
}

.service-card h3 {
    color: #3498db;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.service-card.featured h3 {
    color: #fff;
}

/* Examples Section */
.examples-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.example-card {
    background: #1a1a1a;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(255,255,255,0.1);
    color: #fff;
}

.example-card h3 {
    color: #fff;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.example-card h4 {
    color: #3498db;
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.features, .benefits {
    margin-top: 1.5rem;
}

.features h4, .benefits h4 {
    color: #3498db;
    margin-bottom: 0.5rem;
}

.features ul, .benefits ul {
    list-style-type: disc;
    margin-left: 1.5rem;
}

.features li, .benefits li {
    margin-bottom: 0.3rem;
}

/* Testimonials Section */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.testimonial-card {
    background: #1a1a1a;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(255,255,255,0.1);
    text-align: center;
    color: #fff;
}

.testimonial-card p {
    font-style: italic;
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: #ccc;
}

.client-name {
    font-weight: bold;
    color: #3498db;
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 2rem;
}

.contact-info h3 {
    color: #fff;
    margin-bottom: 1rem;
}

.contact-details {
    margin-top: 1.5rem;
}

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

.contact-details a {
    color: #3498db;
    text-decoration: none;
}

.contact-details a:hover {
    text-decoration: underline;
}

.contact-form {
    background: #1a1a1a;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(255,255,255,0.1);
}

.contact-form form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input,
.contact-form textarea {
    padding: 12px;
    border: 1px solid #555;
    border-radius: 5px;
    font-size: 1rem;
    background: #333;
    color: #fff;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 5px rgba(52, 152, 219, 0.3);
}

.contact-form button {
    background: #3498db;
    color: white;
    padding: 12px;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.3s ease;
}

.contact-form button:hover {
    background: #2980b9;
}

/* Footer */
.footer {
    background: #2c3e50;
    color: white;
    padding: 2rem 0;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-logo .logo {
    height: 40px;
    width: auto;
}

.footer-logo span {
    font-size: 1.2rem;
    font-weight: bold;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .examples-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .tech-grid {
        grid-template-columns: 1fr;
    }
    
    .industries-grid {
        grid-template-columns: 1fr;
    }
}

/* SaaS Product Section */
.saas-product {
    background: #111;
}

.product-intro {
    text-align: center;
    margin-bottom: 3rem;
}

.product-intro p {
    font-size: 1.2rem;
    max-width: 900px;
    margin: 0 auto;
    color: #fff;
    line-height: 1.7;
}

.product-screenshot {
    text-align: center;
    margin: 3rem 0;
}

.screenshot-img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 8px 30px rgba(255,255,255,0.1);
    border: 2px solid #3498db;
}

.screenshot-caption {
    margin-top: 1rem;
    font-style: italic;
    color: #3498db;
    font-size: 1rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.feature-highlight {
    background: #1a1a1a;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(255,255,255,0.1);
    color: #fff;
    transition: transform 0.3s ease;
}

.feature-highlight:hover {
    transform: translateY(-5px);
}

.feature-highlight h3 {
    color: #3498db;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.feature-screenshot {
    margin-top: 1rem;
    text-align: center;
}

.feature-img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    border: 1px solid #333;
    max-height: 200px;
    object-fit: cover;
}

.tech-stack {
    margin: 4rem 0;
    text-align: center;
}

.tech-stack h3 {
    color: #3498db;
    margin-bottom: 2rem;
    font-size: 1.8rem;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.tech-item {
    background: #1a1a1a;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(255,255,255,0.1);
    color: #fff;
}

.tech-item h4 {
    color: #3498db;
    margin-bottom: 1rem;
    text-align: center;
}

.tech-item ul {
    list-style: none;
    padding: 0;
}

.tech-item li {
    padding: 0.3rem 0;
    text-align: center;
    color: #ccc;
}

.industry-applications {
    margin: 4rem 0;
}

.industry-applications h3 {
    color: #3498db;
    margin-bottom: 2rem;
    font-size: 1.8rem;
    text-align: center;
}

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

.industry-card {
    background: #1a1a1a;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(255,255,255,0.1);
    color: #fff;
    text-align: center;
    transition: transform 0.3s ease;
}

.industry-card:hover {
    transform: translateY(-3px);
}

.industry-card h4 {
    color: #3498db;
    margin-bottom: 1rem;
}

.industry-card p {
    color: #ccc;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Lightbox Modal Styles */
.lightbox-modal {
    display: none; /* toggled via JS */
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.85);
    justify-content: center;
    align-items: center;
    z-index: 2000;
    padding: 2rem;
}
.lightbox-content {
    max-width: 1200px;
    width: 100%;
    text-align: center;
}
.lightbox-image {
    max-width: 100%;
    max-height: 80vh;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.6);
}
.lightbox-caption {
    margin-top: 0.75rem;
    color: #ddd;
    font-size: 1rem;
}
.lightbox-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: transparent;
    border: none;
    color: #fff;
    font-size: 2rem;
    cursor: pointer;
}
.lightbox-close:focus {
    outline: 2px solid #3498db;
    border-radius: 4px;
}
.lightbox-prev, .lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0,0,0,0.5);
    border: none;
    color: #fff;
    font-size: 2rem;
    padding: 0.5rem 0.8rem;
    cursor: pointer;
}
.lightbox-prev { left: 1rem; }
.lightbox-next { right: 1rem; }

/* Make clickable cursor for lightbox links */
a.lightbox { cursor: zoom-in; display: inline-block; }

@media (max-width: 600px) {
    .lightbox-caption { font-size: 0.95rem; }
}

/* Carousel styles */
.carousel {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.carousel-track-container {
    overflow: hidden;
    width: 100%;
    max-width: 900px;
}
.carousel-track {
    display: flex;
    transition: transform 0.4s ease-in-out;
    list-style: none;
    padding: 0;
    margin: 0;
}
.carousel-slide {
    min-width: 100%;
    box-sizing: border-box;
    display: flex;
    justify-content: center;
    align-items: center;
}
.carousel-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0,0,0,0.6);
    border: none;
    color: #fff;
    font-size: 1.2rem;
    padding: 0.6rem 0.8rem;
    cursor: pointer;
    z-index: 10;
    border-radius: 6px;
}
.carousel-control.prev { left: 10px; }
.carousel-control.next { right: 10px; }
.carousel-nav {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}
.carousel-indicator {
    background: transparent;
    border: 2px solid #333;
    padding: 2px;
    border-radius: 4px;
    cursor: pointer;
}
.carousel-indicator img { width: 60px; height: 40px; object-fit: cover; display:block; }
.carousel-indicator.current-slide { border-color: #3498db; }

@media (max-width: 600px) {
    .carousel-indicator img { width: 48px; height: 32px; }
}

/* Logo Display Section */
.logo-display {
    text-align: center;
    padding: 4rem 0;
    background: #000;
}

.large-logo {
    max-width: 100%;
    height: auto;
    max-height: 400px;
    width: auto;
    border-radius: 10px;
    box-shadow: 0 8px 30px rgba(255,255,255,0.1);
}

@media (max-width: 768px) {
    .large-logo {
        max-height: 250px;
    }
}