/* ===================================
   WHAT WE DO SECTION
   =================================== */

.what-we-do {
    padding: var(--spacing-3xl) 0;
    background: white;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.service-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transition: var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--light-green);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-accent);
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    color: white;
    font-size: 2rem;
}

.service-card h3 {
    margin-bottom: var(--spacing-md);
    color: var(--primary-green);
}

.service-card p {
    color: var(--gray);
    margin: 0;
    line-height: 1.6;
}

/* ===================================
   CIRCULAR FLOW SECTION
   =================================== */

.circular-flow {
    padding: var(--spacing-3xl) 0;
    background: var(--gradient-light);
}

.flow-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    padding: var(--spacing-xl) 0;
}

.flow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    min-width: 120px;
}

.flow-step:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.step-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.flow-step h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-green);
    margin: 0;
}

.flow-arrow {
    color: var(--accent-green);
    font-size: 1.5rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.7;
        transform: scale(1.1);
    }
}

/* ===================================
   MATERIALS SECTION
   =================================== */

.materials {
    padding: var(--spacing-3xl) 0;
    background: white;
}

.materials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.material-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
    border: 1px solid var(--light-gray);
}

.material-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.material-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.material-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-accent);
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    margin: 0 auto var(--spacing-md);
}

.material-card h3 {
    margin-bottom: var(--spacing-xs);
    color: var(--primary-green);
}

.material-badge {
    font-size: 0.875rem;
    color: var(--gray);
    background: var(--light-gray);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    display: inline-block;
}

.material-properties {
    margin-bottom: var(--spacing-lg);
}

.property {
    margin-bottom: var(--spacing-md);
}

.property-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: var(--spacing-xs);
    display: block;
}

.property-bar {
    width: 100%;
    height: 8px;
    background: var(--light-gray);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.property-fill {
    height: 100%;
    background: var(--gradient-accent);
    border-radius: var(--radius-sm);
    transition: width 1s ease-in-out;
}

.material-applications {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.app-tag {
    background: var(--light-green);
    color: var(--primary-green);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

.materials-cta {
    text-align: center;
    margin-top: var(--spacing-xl);
}

/* ===================================
   INDUSTRIES SECTION
   =================================== */

.industries {
    padding: var(--spacing-3xl) 0;
    background: var(--off-white);
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.industry-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    text-align: center;
}

.industry-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.industry-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    margin: 0 auto var(--spacing-lg);
}

.industry-card h3 {
    margin-bottom: var(--spacing-md);
    color: var(--primary-green);
}

.industry-card p {
    color: var(--gray);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.industry-features {
    list-style: none;
    text-align: left;
}

.industry-features li {
    padding: var(--spacing-xs) 0;
    color: var(--dark-gray);
    position: relative;
    padding-left: var(--spacing-md);
}

.industry-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-green);
    font-weight: bold;
}

/* ===================================
   UN SDG SECTION
   =================================== */

.sdg-section {
    padding: var(--spacing-3xl) 0;
    background: var(--gradient-primary);
    color: white;
}

.sdg-section .section-header h2,
.sdg-section .section-header p {
    color: white;
}

.sdg-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.sdg-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    text-align: center;
    transition: var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.sdg-card:hover {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.15);
}

.sdg-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--accent-green);
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.sdg-content h3 {
    color: white;
    margin-bottom: var(--spacing-sm);
    font-size: 1.125rem;
}

.sdg-content p {
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
    font-size: 0.875rem;
}

/* ===================================
   TESTIMONIALS SECTION
   =================================== */

.testimonials {
    padding: var(--spacing-3xl) 0;
    background: white;
}

.testimonials-slider {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.testimonial {
    display: none;
    background: var(--off-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-3xl);
    box-shadow: var(--shadow-md);
}

.testimonial.active {
    display: block;
}

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

.testimonial-quote {
    font-size: 3rem;
    color: var(--accent-green);
    opacity: 0.3;
    margin-bottom: var(--spacing-lg);
}

.testimonial-content p {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--dark-gray);
    margin-bottom: var(--spacing-xl);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.author-info h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--primary-green);
}

.author-info span {
    color: var(--gray);
    font-size: 0.875rem;
}

.author-rating {
    color: #fbbf24;
}

/* ===================================
   LEAD GENERATION FORMS
   =================================== */

.lead-generation {
    padding: var(--spacing-3xl) 0;
    background: var(--off-white);
}

.forms-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    margin-top: var(--spacing-xl);
}

.form-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
}

.form-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.form-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.form-header i {
    font-size: 2.5rem;
    color: var(--accent-green);
    margin-bottom: var(--spacing-md);
}

.form-header h3 {
    margin-bottom: var(--spacing-xs);
    color: var(--primary-green);
}

.form-header p {
    color: var(--gray);
    margin: 0;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--light-gray);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: var(--transition-fast);
    background: white;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-green);
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.1);
}

.form-group input::placeholder {
    color: var(--gray);
}

/* ===================================
   FINAL CTA
   =================================== */

.final-cta {
    padding: var(--spacing-3xl) 0;
    background: var(--gradient-primary);
    text-align: center;
    color: white;
}

.final-cta h2 {
    color: white;
    margin-bottom: var(--spacing-md);
}

.final-cta p {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ===================================
   FOOTER
   =================================== */

.footer {
    background: var(--black);
    color: white;
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h3 {
    color: white;
    margin-bottom: var(--spacing-lg);
    font-size: 1.125rem;
}

.footer-brand .logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.footer-brand .logo i {
    font-size: 1.75rem;
    color: var(--accent-green);
}

.footer-brand p {
    color: var(--gray);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: var(--transition-fast);
}

.social-link:hover {
    background: var(--accent-green);
    transform: translateY(-2px);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: var(--gray);
    transition: var(--transition-fast);
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--gray);
}

.contact-item i {
    color: var(--accent-green);
    width: 20px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-bottom-links {
    display: flex;
    gap: var(--spacing-md);
}

.footer-bottom-links a {
    color: var(--gray);
    font-size: 0.875rem;
    transition: var(--transition-fast);
}

.footer-bottom-links a:hover {
    color: var(--accent-green);
}

/* ===================================
   ANIMATIONS
   =================================== */

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.slide-right {
    animation: fadeInRight 0.6s ease-out;
}

.slide-left {
    animation: fadeInLeft 0.6s ease-out;
}

.zoom-in {
    animation: zoomIn 0.6s ease-out;
}

.fade-up {
    animation: fadeInUp 0.6s ease-out;
}

/* ===================================
   FORM VALIDATION STYLES
   =================================== */

.form-group input.error,
.form-group select.error {
    border-color: #ef4444;
    background-color: #fef2f2;
}

.form-group input.success,
.form-group select.success {
    border-color: var(--accent-green);
    background-color: #f0fdf4;
}

.error-message {
    color: #ef4444;
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
    display: none;
}

.form-group.error .error-message {
    display: block;
}

.success-message {
    color: var(--accent-green);
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
    display: none;
}

.form-group.success .success-message {
    display: block;
}