/* Reset et variables CSS */
:root {
    --primary-color: #0066CC;
    --secondary-color: #00CC66;
    --accent-color: #FF6600;
    --dark-color: #333333;
    --gray-color: #666666;
    --light-gray: #F5F5F5;
    --white: #FFFFFF;
    --gradient-primary: linear-gradient(135deg, #0066CC 0%, #0052A3 100%);
    --gradient-secondary: linear-gradient(135deg, #00CC66 0%, #00A352 100%);
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.15);
    --shadow-heavy: 0 8px 30px rgba(0, 0, 0, 0.2);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Open Sans', sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    line-height: 1.2;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-light);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary-color);
}

.nav-logo i {
    font-size: 1.8rem;
}

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

.nav-link {
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--dark-color);
    margin: 3px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding-top: 70px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23e2e8f0" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-color);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-medium);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-heavy);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

.hero-stats {
    display: flex;
    gap: 2rem;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--gray-color);
}

.hero-image {
    position: relative;
    animation: fadeInRight 1s ease-out;
}

.hero-img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-heavy);
}

.floating-card {
    position: absolute;
    background: var(--white);
    padding: 1rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-medium);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    animation: float 3s ease-in-out infinite;
}

.floating-card i {
    color: var(--primary-color);
}

.card-1 {
    top: 10%;
    right: -10%;
    animation-delay: 0s;
}

.card-2 {
    bottom: 30%;
    left: -15%;
    animation-delay: 1s;
}

.card-3 {
    top: 60%;
    right: 10%;
    animation-delay: 2s;
}

/* Sections communes */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--gray-color);
    max-width: 600px;
    margin: 0 auto;
}

/* Solutions Section */
.solutions {
    padding: 6rem 0;
    background: var(--white);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.solution-card {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.solution-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-heavy);
}

.solution-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.solution-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.solution-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 102, 204, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.solution-overlay i {
    font-size: 3rem;
    color: var(--white);
}

.solution-card:hover .solution-overlay {
    opacity: 1;
}

.solution-card:hover .solution-image img {
    transform: scale(1.1);
}

.solution-content {
    padding: 2rem;
}

.solution-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.solution-content p {
    color: var(--gray-color);
    margin-bottom: 1.5rem;
}

.solution-features {
    list-style: none;
}

.solution-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: var(--gray-color);
}

.solution-features i {
    color: var(--secondary-color);
}

/* Advantages Section */
.advantages {
    padding: 6rem 0;
    background: var(--light-gray);
}

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

.advantage-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 2rem;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.advantage-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.advantage-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.advantage-icon i {
    font-size: 1.5rem;
    color: var(--white);
}

.advantage-content h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.advantage-content p {
    color: var(--gray-color);
}

/* Products Section */
.products {
    padding: 6rem 0;
    background: var(--white);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.product-card {
    text-align: center;
    padding: 3rem 2rem;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    border: 1px solid transparent;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-heavy);
    border-color: var(--primary-color);
}

.product-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.product-icon i {
    font-size: 2rem;
    color: var(--white);
}

.product-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.product-card p {
    color: var(--gray-color);
    margin-bottom: 1.5rem;
}

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

.product-features li {
    padding: 0.5rem 0;
    color: var(--gray-color);
    border-bottom: 1px solid var(--light-gray);
}

.product-features li:last-child {
    border-bottom: none;
}

/* CTA Section */
.cta {
    padding: 6rem 0;
    background: var(--gradient-primary);
    color: var(--white);
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

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

.cta .btn-outline {
    border-color: var(--white);
    color: var(--white);
}

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

/* Contact Section */
.contact {
    padding: 6rem 0;
    background: var(--light-gray);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    color: var(--white);
    font-size: 1.2rem;
}

.contact-details h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.contact-details p {
    color: var(--gray-color);
}

.contact-form {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--light-gray);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: var(--dark-color);
    color: var(--white);
    padding: 3rem 0 1rem;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.footer-logo i {
    color: var(--primary-color);
}

.footer-section p {
    color: #ccc;
    margin-bottom: 1rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
    color: var(--white);
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #ccc;
    text-decoration: none;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid #555;
    padding-top: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #ccc;
}

.footer-links {
    display: flex;
    gap: 1rem;
}

.footer-links a {
    color: #ccc;
    text-decoration: none;
    transition: var(--transition);
}

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

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

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

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-medium);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

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

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .floating-card {
        display: none;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

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

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

    .advantage-item {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

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

    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .solution-card,
    .product-card {
        margin: 0 10px;
    }
}




.company-logo {
    height: 50px; /* Taille légèrement plus grande */
    width: auto;
    margin-right: 10px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0;
}

.footer-logo .company-logo {
    height: 30px;
}




/* How It Works Section */
.how-it-works {
    padding: 80px 0;
    background-color: #f9f9f9;
}

.how-it-works .section-header {
    margin-bottom: 60px;
}

.how-it-works-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.step-item {
    background-color: #fff;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    padding: 30px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.step-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.12);
}

.step-image img {
    max-width: 100%;
    height: 200px; /* Fixed height for consistency */
    object-fit: contain; /* Ensure the image fits within the bounds */
    margin-bottom: 25px;
    border-radius: 8px;
    border: 1px solid #eee;
}

.step-content h3 {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 15px;
    font-weight: 600;
}

.step-content p {
    font-size: 16px;
    color: #666;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .how-it-works-grid {
        grid-template-columns: 1fr;
    }
}




/* IoT Platform Section */
.iot-platform, .data-analytics {
    padding: 80px 0;
    background-color: #f9f9f9;
}

.iot-platform .section-header, .data-analytics .section-header {
    margin-bottom: 60px;
}

.platform-content, .analytics-content {
    display: flex;
    align-items: center;
    gap: 50px;
}

.platform-content .platform-image, .analytics-content .analytics-image {
    flex: 1;
    text-align: center;
}

.platform-content .platform-image img, .analytics-content .analytics-image img {
    max-width: 100%;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.platform-content .platform-features, .analytics-content .analytics-features {
    flex: 1;
}

.platform-features h3, .analytics-features h3 {
    font-size: 28px;
    color: var(--primary-color);
    margin-bottom: 25px;
    font-weight: 600;
}

.platform-features ul, .analytics-features ul {
    list-style: none;
    padding: 0;
    margin-bottom: 30px;
}

.platform-features ul li, .analytics-features ul li {
    font-size: 18px;
    color: #555;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.platform-features ul li i, .analytics-features ul li i {
    color: var(--accent-color);
    margin-right: 10px;
    font-size: 20px;
}

.data-analytics .analytics-content {
    flex-direction: row-reverse; /* Image on the right for data analytics */
}

@media (max-width: 992px) {
    .platform-content, .analytics-content {
        flex-direction: column;
        text-align: center;
    }

    .platform-content .platform-image, .analytics-content .analytics-image {
        order: -1; /* Image first on mobile */
    }
}




/* Timeline Section */
.timeline {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 0;
}

.timeline::after {
    content: "";
    position: absolute;
    width: 6px;
    background-color: var(--primary-color);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -3px;
    border-radius: 3px;
}

.timeline-item {
    padding: 10px 40px;
    position: relative;
    background-color: inherit;
    width: 50%;
}

.timeline-item::after {
    content: ".";
    position: absolute;
    width: 25px;
    height: 25px;
    right: -17px;
    background-color: var(--white);
    border: 4px solid var(--primary-color);
    top: 15px;
    border-radius: 50%;
    z-index: 1;
    font-size: 0;
}

.timeline-item:nth-child(odd) {
    left: 0;
}

.timeline-item:nth-child(even) {
    left: 50%;
}

.timeline-item:nth-child(even)::after {
    left: -16px;
}

.timeline-icon {
    position: absolute;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    border-radius: 50%;
    top: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    z-index: 2;
}

.timeline-item:nth-child(odd) .timeline-icon {
    right: -75px;
}

.timeline-item:nth-child(even) .timeline-icon {
    left: -75px;
}

.timeline-content {
    padding: 20px 30px;
    background-color: transparent; /* Rendre le fond transparent */
    position: relative;
    border-radius: var(--border-radius);
    box-shadow: none; /* Supprimer l'ombre */
    transition: var(--transition);
}

.timeline-content:hover {
    box-shadow: var(--shadow-medium);
}

.timeline-content h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.timeline-content p {
    font-size: 1rem;
    color: var(--gray-color);
    margin-bottom: 15px;
}

.timeline-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin-top: 10px;
}

@media screen and (max-width: 768px) {
    .timeline::after {
        left: 31px;
    }

    .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 25px;
    }

    .timeline-item::before {
        left: 60px;
        border: medium solid white;
        border-width: 10px 0 10px 10px;
        border-color: transparent transparent transparent var(--white);
    }

    .timeline-item:nth-child(even) {
        left: 0%;
    }

    .timeline-item::after {
        left: 15px;
    }

    .timeline-item:nth-child(even)::after {
        left: 15px;
    }

    .timeline-item:nth-child(odd) .timeline-icon {
        left: 0;
        right: auto;
    }

    .timeline-item:nth-child(even) .timeline-icon {
        left: 0;
    }
}




/* Dropdown Menu */
.dropdown {
    position: relative;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 5px;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--white);
    box-shadow: var(--shadow-medium);
    border-radius: var(--border-radius);
    list-style: none;
    padding: 10px 0;
    min-width: 250px;
    z-index: 1001;
}

.dropdown:hover .dropdown-menu {
    display: block;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    color: var(--dark-color);
    text-decoration: none;
    transition: var(--transition);
}

.dropdown-item:hover {
    background-color: var(--light-gray);
    color: var(--primary-color);
}

.dropdown-item i {
    color: var(--primary-color);
}

@media (max-width: 768px) {
    .dropdown-menu {
        position: static;
        box-shadow: none;
        width: 100%;
        padding: 0;
        text-align: center;
    }

    .dropdown-item {
        justify-content: center;
    }
}




/* Products Section - Creative Design */
.products {
    padding: 80px 0;
    background-color: var(--light-gray);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.product-card {
    background-color: var(--white);
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 40px 20px;
    text-align: center;
    border: 2px solid transparent;
}

.product-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-color);
}

.product-icon {
    width: 90px;
    height: 90px;
    background: var(--gradient-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    box-shadow: var(--shadow-medium);
}

.product-icon i {
    font-size: 2.5rem;
    color: var(--white);
}

.product-card h3 {
    font-size: 1.8rem;
    color: var(--dark-color);
    margin-bottom: 15px;
}

.product-card p {
    font-size: 1rem;
    color: var(--gray-color);
    margin-bottom: 20px;
    flex-grow: 1;
}

.product-features {
    list-style: none;
    padding: 0;
    width: 100%;
}

.product-features li {
    font-size: 0.95rem;
    color: var(--gray-color);
    padding: 8px 0;
    border-top: 1px solid #eee;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-features li:first-child {
    border-top: none;
}

.product-features li i {
    color: var(--secondary-color);
    margin-right: 8px;
}

@media (max-width: 768px) {
    .products-grid {
        grid-template-columns: 1fr;
    }
}




/* Features Showcase Section */
.features-showcase {
    padding: 80px 0;
    background-color: var(--white);
}

.feature-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: var(--light-gray);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    box-shadow: var(--shadow-small);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-medium);
}

.feature-icon-wrapper {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px auto;
    box-shadow: var(--shadow-medium);
}

.feature-icon-wrapper i {
    font-size: 2.2rem;
    color: var(--white);
}

.feature-card h3 {
    font-size: 1.6rem;
    color: var(--dark-color);
    margin-bottom: 10px;
}

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

/* Benefits Showcase Section */
.benefits-showcase {
    padding: 80px 0;
    background-color: var(--light-gray);
}

.benefit-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.benefit-card {
    background-color: var(--white);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    box-shadow: var(--shadow-small);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.benefit-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-medium);
}

.benefit-icon-wrapper {
    width: 80px;
    height: 80px;
    background: var(--gradient-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px auto;
    box-shadow: var(--shadow-medium);
}

.benefit-icon-wrapper i {
    font-size: 2.2rem;
    color: var(--white);
}

.benefit-card h3 {
    font-size: 1.6rem;
    color: var(--dark-color);
    margin-bottom: 10px;
}

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

@media (max-width: 768px) {
    .feature-cards-grid, .benefit-cards-grid {
        grid-template-columns: 1fr;
    }
}




/* Use Cases Section */
.use-cases {
  background: #f8fafc;
  padding: 60px 0;
}
.use-cases-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  justify-content: center;
  margin-top: 32px;
}
.use-case-card {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 16px rgba(0,0,0,0.07);
  padding: 28px 24px;
  max-width: 320px;
  min-width: 260px;
  flex: 1 1 260px;
  transition: transform 0.2s, box-shadow 0.2s;
  border-left: 5px solid #00c6ff;
}
.use-case-card:hover {
  transform: translateY(-8px) scale(1.03);
  box-shadow: 0 8px 32px rgba(0,123,255,0.13);
  border-left: 5px solid #007bff;
}
.use-case-card h3 {
  color: #007bff;
  font-size: 1.18rem;
  margin-bottom: 10px;
}

/* How It Works Timeline */
.how-it-works {
  background: #fff;
  padding: 60px 0;
}
.timeline {
  display: flex;
  flex-direction: column;
  gap: 32px;
  margin-top: 40px;
  position: relative;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}
.timeline-item {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  position: relative;
}
.timeline-icon {
  background: linear-gradient(135deg, #007bff 0%, #00c6ff 100%);
  color: #fff;
  border-radius: 50%;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  box-shadow: 0 2px 8px rgba(0,123,255,0.13);
  flex-shrink: 0;
}
.timeline-content {
  background: #f8fafc;
  border-radius: 10px;
  padding: 18px 22px;
  box-shadow: 0 1px 6px rgba(0,0,0,0.04);
  flex: 1;
}
.timeline-content h3 {
  margin-top: 0;
  color: #007bff;
  font-size: 1.1rem;
}

/* FAQ Section */
.faq-section {
  padding: 60px 0;
}
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 32px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}
.faq-item {
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.07);
  padding: 22px 28px;
  transition: box-shadow 0.2s;
  border-left: 4px solid #007bff;
}
.faq-item h3 {
  color: #007bff;
  font-size: 1.08rem;
  margin-bottom: 8px;
}
.faq-item p {
  margin: 0;
  color: #333;
}
.faq-item:hover {
  box-shadow: 0 8px 32px rgba(0,123,255,0.13);
  border-left: 4px solid #00c6ff;
}

@media (max-width: 900px) {
  .use-cases-grid {
    flex-direction: column;
    align-items: center;
  }
  .timeline {
    max-width: 100%;
  }
  .faq-list {
    max-width: 100%;
  }
}




/* Use Case Dedicated Page Modern Styles */
.usecase-scenario, .usecase-challenges, .usecase-solution, .usecase-benefits {
  padding: 60px 0 40px 0;
}
.usecase-scenario {
  background: linear-gradient(120deg, #f8fafc 60%, #e3f0ff 100%);
}
.usecase-scenario-content {
  max-width: 700px;
  margin: 0 auto;
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 4px 24px rgba(0,123,255,0.07);
  padding: 32px 28px;
  font-size: 1.15rem;
  color: #222;
  line-height: 1.7;
}
.usecase-challenges {
  background: #f0f4f8;
}
.usecase-challenges-list ul {
  list-style: none;
  padding: 0;
  margin: 0 auto;
  max-width: 700px;
}
.usecase-challenges-list li {
  background: #fff;
  margin-bottom: 18px;
  border-radius: 10px;
  box-shadow: 0 2px 12px rgba(0,123,255,0.06);
  padding: 18px 22px;
  font-size: 1.08rem;
  display: flex;
  align-items: center;
  gap: 14px;
  color: #1a237e;
  border-left: 5px solid #ff6b6b;
  transition: box-shadow 0.2s, border-color 0.2s;
}
.usecase-challenges-list li i {
  color: #ff6b6b;
  font-size: 1.2rem;
}
.usecase-challenges-list li:hover {
  box-shadow: 0 8px 32px rgba(0,123,255,0.13);
  border-left: 5px solid #007bff;
}
.usecase-solution-content ul {
  list-style: none;
  padding: 0;
  margin: 0 auto;
  max-width: 700px;
}
.usecase-solution-content li {
  background: #f8fafc;
  margin-bottom: 18px;
  border-radius: 10px;
  box-shadow: 0 2px 12px rgba(0,123,255,0.06);
  padding: 18px 22px;
  font-size: 1.08rem;
  display: flex;
  align-items: center;
  gap: 14px;
  color: #007bff;
  border-left: 5px solid #00c6ff;
  transition: box-shadow 0.2s, border-color 0.2s;
}
.usecase-solution-content li i {
  color: #00c6ff;
  font-size: 1.2rem;
}
.usecase-solution-content li:hover {
  box-shadow: 0 8px 32px rgba(0,123,255,0.13);
  border-left: 5px solid #007bff;
}
.usecase-benefits {
  background: linear-gradient(120deg, #e3f0ff 60%, #f8fafc 100%);
}
.usecase-benefits-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  justify-content: center;
  margin-top: 32px;
}
.usecase-benefit-card {
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 2px 16px rgba(0,0,0,0.07);
  padding: 32px 28px;
  max-width: 320px;
  min-width: 260px;
  flex: 1 1 260px;
  text-align: center;
  transition: transform 0.2s, box-shadow 0.2s;
  border-top: 5px solid #007bff;
}
.usecase-benefit-card i {
  color: #00c6ff;
  font-size: 2.2rem;
  margin-bottom: 12px;
}
.usecase-benefit-card h3 {
  color: #007bff;
  font-size: 1.18rem;
  margin-bottom: 10px;
}
.usecase-benefit-card:hover {
  transform: translateY(-8px) scale(1.04);
  box-shadow: 0 8px 32px rgba(0,123,255,0.13);
  border-top: 5px solid #00c6ff;
}

/* Use Cases Cards (on main refrigeration page) */
.use-cases-grid a {
  display: block;
  transition: transform 0.18s, box-shadow 0.18s;
  border-radius: 12px;
}
.use-cases-grid a:hover {
  transform: translateY(-6px) scale(1.03);
  box-shadow: 0 8px 32px rgba(0,123,255,0.13);
}

@media (max-width: 900px) {
  .usecase-benefits-grid {
    flex-direction: column;
    align-items: center;
  }
}