/* Root Variables - Black & White Theme */
:root {
    --primary-color: #000000;
    --secondary-color: #333333;
    --accent-color: #1a1a1a;
    --dark-color: #000000;
    --light-color: #f5f5f5;
    --text-color: #000000;
    --text-light: #666666;
    --white: #ffffff;
    --gray-light: #e0e0e0;
    --gray-medium: #999999;
    --shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 4px 25px rgba(0, 0, 0, 0.12);
    --border-color: #d0d0d0;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.7;
    color: var(--text-color);
    overflow-x: hidden;
    font-weight: 400;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 5px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
    border-bottom: 1px solid var(--border-color);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    letter-spacing: 3px;
    text-transform: uppercase;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-link {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 400;
    font-size: 0.95rem;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

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

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

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('/images/Energy workshop in Portuguese village.png') center/cover no-repeat;
    color: var(--white);
    text-align: center;
    padding: 120px 20px 60px;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 950px;
    position: relative;
    z-index: 1;
    padding: 50px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(8px);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-title {
    font-size: 3.8rem;
    font-weight: 300;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease;
    letter-spacing: -1px;
    line-height: 1.2;
}

.hero-description {
    font-size: 1.2rem;
    line-height: 1.9;
    font-weight: 300;
    opacity: 0.95;
    animation: fadeInUp 1s ease 0.2s backwards;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-down {
    display: block;
    width: 30px;
    height: 50px;
    border: 2px solid var(--white);
    border-radius: 20px;
    position: relative;
}

.scroll-down span {
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 10px;
    background: var(--white);
    border-radius: 3px;
    animation: scrollAnimation 2s infinite;
}

@keyframes scrollAnimation {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(20px); }
}

/* Sections */
section {
    padding: 100px 20px;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 70px;
}

.section-title {
    font-size: 2.8rem;
    font-weight: 300;
    margin-bottom: 1.5rem;
    color: var(--dark-color);
    letter-spacing: -0.5px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    line-height: 1.8;
    font-weight: 300;
    max-width: 800px;
    margin: 0 auto;
}

/* About Section */
.about-section {
    background: var(--white);
}

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

.about-text h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    font-weight: 400;
}

.about-text p {
    margin-bottom: 1.2rem;
    color: var(--text-light);
    line-height: 1.9;
    font-size: 1rem;
}

.about-stats {
    display: grid;
    gap: 30px;
}

.stat-item {
    background: var(--white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--gray-light);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.stat-number {
    font-size: 3rem;
    font-weight: 300;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-light);
    font-size: 0.95rem;
    font-weight: 400;
}

/* Services Section */
.services-section {
    background: var(--light-color);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 35px;
}

.service-card {
    background: var(--white);
    border-radius: 8px;
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--gray-light);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--text-color);
}

.service-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: var(--light-color);
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.service-card:hover .service-image img {
    transform: scale(1.05);
}

.service-content {
    padding: 35px;
    text-align: center;
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.service-content h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
    font-weight: 400;
}

.service-content p {
    color: var(--text-light);
    line-height: 1.8;
    font-size: 0.95rem;
}

/* Who We Help Section */
.who-we-help-section {
    background: var(--white);
}

.who-we-help-section .section-subtitle {
    max-width: 900px;
    margin: 0 auto 60px;
    font-size: 1.1rem;
    line-height: 1.8;
}

.who-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-bottom: 80px;
}

.who-card {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--gray-light);
}

.who-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--text-color);
}

.who-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
    background: var(--light-color);
}

.who-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.who-card:hover .who-image img {
    transform: scale(1.05);
}

.who-content {
    padding: 35px;
}

.who-content h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-weight: 400;
}

.who-content p {
    color: var(--text-light);
    line-height: 1.8;
    font-size: 0.95rem;
}

.cta-section {
    text-align: center;
    padding: 60px 40px;
    background: var(--light-color);
    border-radius: 8px;
    box-shadow: none;
    border: 1px solid var(--gray-light);
}

.cta-section h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
    font-weight: 300;
}

.cta-section p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    font-weight: 300;
}

/* Features Section */
.features-section {
    background: var(--light-color);
}

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

.feature-item {
    background: var(--white);
    padding: 30px;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

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

.feature-item h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.feature-item p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Contact Section */
.contact-section {
    background: var(--white);
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    padding: 25px;
    background: var(--white);
    border-radius: 8px;
    border: 1px solid var(--gray-light);
}

.contact-item h4 {
    font-size: 1.1rem;
    margin-bottom: 0.8rem;
    color: var(--dark-color);
    font-weight: 400;
}

.contact-item p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: 8px;
    border: 1px solid var(--gray-light);
}

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

.form-control {
    width: 100%;
    padding: 14px;
    border: 1px solid var(--gray-light);
    border-radius: 4px;
    font-size: 0.95rem;
    transition: border-color 0.3s ease;
    background: var(--white);
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: none;
}

textarea.form-control {
    resize: vertical;
    font-family: inherit;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 40px;
    border-radius: 4px;
    font-size: 0.95rem;
    font-weight: 400;
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 0.5px;
}

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

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

.btn-secondary {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary-color);
}

.contact-form .btn-primary {
    width: 100%;
}

/* Projects Section */
.projects-section {
    background: var(--white);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.project-card {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--gray-light);
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--text-color);
}

.project-image {
    width: 100%;
    height: 300px;
    overflow: hidden;
    background: var(--light-color);
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.project-card:hover .project-image img {
    transform: scale(1.05);
}

.project-content {
    padding: 35px;
}

.project-content h3 {
    font-size: 1.6rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
    font-weight: 400;
}

.project-content h4 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--text-color);
    font-weight: 300;
}

.project-content p {
    color: var(--text-light);
    line-height: 1.8;
    font-size: 0.95rem;
}

.project-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.highlight-card {
    background: var(--white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: transform 0.3s ease;
    border: 1px solid var(--gray-light);
}

.highlight-card:hover {
    transform: translateY(-5px);
    border-color: var(--text-color);
}

.highlight-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.highlight-card h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
    font-weight: 400;
}

.highlight-card p {
    color: var(--text-light);
    line-height: 1.7;
    font-size: 0.95rem;
}

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

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-left,
.footer-right {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-link {
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

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

.contact-item a:hover {
    color: var(--accent-color);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-description {
        font-size: 1.1rem;
    }

    .hero-content {
        padding: 30px 20px;
    }

    .section-title {
        font-size: 2rem;
    }

    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .who-grid {
        grid-template-columns: 1fr;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .project-highlights {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .cta-section {
        padding: 40px 20px;
    }

    .cta-section h3 {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .hero-content {
        padding: 20px 15px;
    }

    .stat-number {
        font-size: 2.5rem;
    }
}

/* Blazor Error Boundary */
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    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

.blazor-error-boundary::after {
    content: "An error has occurred."
}