:root {
    --primary-color: #243b55;
    --secondary-color: #141e30;
    --accent-color: #0a81c4;
    --text-color: #333333;
    --background-color: #f7f9fc;
    --light-gray: #e6edf5;
    --dark-gray: #777777;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    background-color: var(--background-color);
    color: var(--text-color);
}

.top-nav {
    background-color: white;
    padding: 1rem;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.nav-links {
    display: flex;
    justify-content: flex-end;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

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

.nav-link.highlight {
    color: var(--accent-color);
    font-weight: 600;
}

.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: linear-gradient(135deg, rgba(20, 30, 48, 0.7), rgba(36, 59, 85, 0.7)), 
                url('https://ideogram.ai/assets/progressive-image/balanced/response/Q6rnnUiETsiyHn4pyA-fbQ') center/cover no-repeat;
    color: white;
    padding: 2rem;
    background-attachment: fixed;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.cta-button {
    padding: 1rem 2rem;
    font-size: 1.2rem;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: transform 0.3s;
}

.cta-button:hover {
    transform: translateY(-2px);
}

.about {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.about h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.about > p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto 3rem;
    color: var(--dark-gray);
}

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

.feature {
    padding: 2.5rem 2rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative;
    overflow: hidden;
    text-align: left;
}

.feature:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.feature i {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
}

.feature h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.feature p {
    color: var(--dark-gray);
    font-size: 1rem;
}

.feature::before {
    content: '';
    position: absolute;
    top: -30px;
    right: -30px;
    width: 100px;
    height: 100px;
    background-color: rgba(233, 30, 99, 0.1);
    border-radius: 50%;
    transition: transform 0.5s;
}

.feature:hover::before {
    transform: scale(2.5);
}

.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    padding: 6rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
    background-color: var(--light-gray);
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    box-shadow: 0 6px 18px rgba(0,0,0,0.2);
    transition: transform 0.4s, box-shadow 0.4s;
    height: 500px;
}

.gallery-item:hover {
    transform: scale(1.05);
    box-shadow: 0 12px 30px rgba(0,0,0,0.3);
}

.gallery img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 15px;
    transition: transform 0.6s ease;
}

.gallery-item:hover img {
    transform: scale(1.15);
}

.img-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.9), rgba(0,0,0,0.5), transparent);
    padding: 2rem 1.5rem;
    color: white;
    transform: translateY(70%);
    transition: transform 0.4s ease;
}

.gallery-item:hover .img-overlay {
    transform: translateY(0);
}

.img-overlay h3 {
    margin-bottom: 0.8rem;
    font-size: 1.5rem;
}

.img-overlay p {
    font-size: 1rem;
    line-height: 1.4;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s, transform 0.4s;
    transition-delay: 0.1s;
}

.gallery-item:hover .img-overlay p {
    opacity: 1;
    transform: translateY(0);
}

.why-choose-us, 
.process, 
.testimonials, 
.faq, 
.cta-section {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.why-choose-us {
    background-color: white;
}

.why-choose-us h2,
.process h2,
.testimonials h2,
.faq h2,
.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.why-choose-us > p,
.process > p,
.cta-section > p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto 3rem;
    color: var(--dark-gray);
}

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

.benefit {
    padding: 2rem;
    text-align: left;
    background-color: var(--light-gray);
    border-radius: 10px;
    transition: transform 0.3s;
}

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

.benefit i {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.benefit h3 {
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
}

.benefit p {
    color: var(--dark-gray);
}

.steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    margin-top: 3rem;
    position: relative;
}

.steps::after {
    content: '';
    position: absolute;
    top: 2.5rem;
    left: 10%;
    right: 10%;
    height: 2px;
    background-color: var(--secondary-color);
    z-index: -1;
}

.step {
    flex: 1;
    min-width: 200px;
    max-width: 250px;
    position: relative;
    z-index: 1;
}

.step-number {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--secondary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 1.5rem;
}

.step h3 {
    margin-bottom: 0.8rem;
}

.testimonial-slider {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    justify-content: center;
    margin-top: 3rem;
}

.testimonial {
    background-color: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    max-width: 350px;
    text-align: left;
}

.testimonial p {
    font-style: italic;
    margin-bottom: 1.5rem;
    color: var(--dark-gray);
    position: relative;
}

.testimonial p::before {
    content: '"';
    font-size: 4rem;
    color: rgba(233, 30, 99, 0.2);
    position: absolute;
    left: -20px;
    top: -20px;
}

.client {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.client i {
    font-size: 2.5rem;
    color: var(--secondary-color);
}

.client h4 {
    font-size: 1.1rem;
    margin-bottom: 0.2rem;
}

.client p {
    font-size: 0.9rem;
    color: var(--dark-gray);
    margin: 0;
}

.accordion {
    max-width: 800px;
    margin: 3rem auto 0;
}

.accordion-item {
    margin-bottom: 1rem;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.accordion-header {
    padding: 1.2rem;
    background-color: white;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.accordion-header::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--secondary-color);
}

.accordion-item.active .accordion-header::after {
    content: '-';
}

.accordion-content {
    background-color: var(--light-gray);
    padding: 0 1.2rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.accordion-item.active .accordion-content {
    padding: 1.2rem;
    max-height: 200px;
}

.cta-section {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 15px;
    margin: 4rem auto;
    padding: 4rem 2rem;
}

.cta-section h2 {
    color: white;
}

.cta-section p {
    color: rgba(255, 255, 255, 0.8);
}

.cta-section .cta-button {
    background-color: white;
    color: var(--primary-color);
    margin-top: 2rem;
    margin-right: 1rem;
}

.cta-section .cta-button:hover {
    transform: translateY(-2px);
}

.models-button {
    background-color: var(--accent-color) !important;
    color: white !important;
}

.models-button:hover {
    background-color: var(--primary-color) !important;
}

.guidance-text {
    color: #fff;
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    font-weight: 500;
    text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.cta-section .guidance-text {
    color: rgba(255, 255, 255, 0.9);
    margin-top: 1rem;
    margin-bottom: 1.5rem;
}

footer {
    background-color: var(--primary-color);
    color: white;
    padding: 0;
    margin-top: 0;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem 2rem;
}

.footer-section {
    flex: 1;
    min-width: 250px;
    margin-bottom: 2rem;
    padding: 0 1rem;
}

.footer-section h3 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--secondary-color);
    display: inline-block;
}

.footer-section p {
    margin-bottom: 1rem;
    color: rgba(255, 255, 255, 0.7);
}

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

.footer-section ul li {
    margin-bottom: 0.8rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-section i {
    margin-right: 0.5rem;
    color: var(--secondary-color);
}

.footer-bottom {
    background-color: rgba(0, 0, 0, 0.2);
    text-align: center;
    padding: 1.5rem 0;
    font-size: 0.9rem;
}

.footer-bottom p {
    margin-bottom: 0.5rem;
    color: rgba(255, 255, 255, 0.6);
}

.industry-selector {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-top: 2rem;
}

.category-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    justify-content: center;
    margin-bottom: 1rem;
}

.category-btn {
    padding: 0.8rem 1.5rem;
    background-color: white;
    border: 2px solid var(--light-gray);
    border-radius: 30px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.category-btn:hover {
    background-color: var(--light-gray);
}

.category-btn.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.organizations-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
    max-height: 60vh;
    overflow-y: auto;
    padding: 1rem;
    border-radius: 10px;
    background-color: var(--light-gray);
}

.org-link {
    display: flex;
    align-items: center;
    padding: 1rem;
    background-color: white;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.3s ease;
    border-left-width: 4px;
    border-left-style: solid;
    font-weight: 500;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.org-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.industry-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
    max-width: 800px;
}

.industry-btn {
    padding: 1rem 1.5rem;
    font-size: 1rem;
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid white;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s;
}

.industry-btn:hover {
    background-color: var(--accent-color);
    transform: translateY(-2px);
    border-color: var(--accent-color);
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.7);
    z-index: 1001;
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 2.5rem;
    width: 90%;
    max-width: 1000px;
    max-height: 80vh;
    overflow-y: auto;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-size: 2rem;
    cursor: pointer;
    color: var(--dark-gray);
    transition: color 0.3s;
}

.close:hover {
    color: var(--accent-color);
}

.models-link {
    display: inline-block;
    margin-bottom: 2rem;
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.models-link:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .subtitle {
        font-size: 1.1rem;
    }
    
    .nav-links {
        gap: 0.8rem;
    }
    
    .gallery-item {
        height: 300px;
    }
    
    .footer-section {
        flex: 100%;
    }
    
    .steps::after {
        display: none;
    }
}