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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: #ffffff;
    overflow-x: hidden;
}

/* Navigation Bar */
.navbar {
    background-color: #1a1a2e;
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #ffffff;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: #ffffff;
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a:hover {
    color: #50c878;
}

.nav-links a.active {
    color: #50c878;
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: #50c878;
}

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

.btn-login {
    background-color: transparent;
    color: #ffffff;
    border: none;
    padding: 0.6rem 1.5rem;
    font-size: 0.95rem;
    cursor: pointer;
    border-radius: 4px;
    transition: background-color 0.3s ease;
}

.btn-login:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.btn-signup {
    background-color: #50c878;
    color: #ffffff;
    border: none;
    padding: 0.6rem 1.5rem;
    font-size: 0.95rem;
    cursor: pointer;
    border-radius: 4px;
    font-weight: 500;
    transition: background-color 0.3s ease;
}

.btn-signup:hover {
    background-color: #45b869;
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-top: 60px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('https://images.unsplash.com/photo-1581092160562-40aa08e78837?ixlib=rb-4.0.3&auto=format&fit=crop&w=2000&q=80');
    background-size: cover;
    background-position: center;
    filter: blur(8px) brightness(0.3);
    transform: scale(1.1);
    opacity: 0.85;
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 900px;
    padding: 0 2rem;
}

.hero-title {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 1.2rem;
    line-height: 1.2;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.5);
}

.hero-tagline {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 1px 1px 5px rgba(0, 0, 0, 0.5);
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary {
    background-color: #50c878;
    color: #ffffff;
    border: none;
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(80, 200, 120, 0.3);
}

.btn-primary:hover {
    background-color: #45b869;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(80, 200, 120, 0.4);
}

.btn-secondary {
    background-color: transparent;
    color: #ffffff;
    border: 2px solid #4a90e2;
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background-color: rgba(74, 144, 226, 0.2);
    border-color: #5ba0f2;
    transform: translateY(-2px);
}

/* Notre Promesse Section */
.promise-section {
    background: linear-gradient(180deg, #0f0f1e 0%, #1a1a2e 100%);
    padding: 5rem 2rem;
    min-height: auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.promise-container {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.promise-title {
    font-size: 2.5rem;
    font-weight: bold;
    text-align: center;
    margin-bottom: 3rem;
    color: #ffffff;
    position: relative;
}

.promise-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #50c878, #4a90e2);
    border-radius: 2px;
}

.promise-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.promise-card {
    background: rgba(26, 26, 46, 0.8);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
    border: 2px solid transparent;
    position: relative;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.promise-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(80, 200, 120, 0.1), rgba(74, 144, 226, 0.1));
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 1;
}

.promise-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: #50c878;
    box-shadow: 0 12px 40px rgba(80, 200, 120, 0.3);
}

.promise-card:hover::before {
    opacity: 1;
}

.card-image {
    width: 100%;
    height: 220px;
    overflow: hidden;
    position: relative;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.promise-card:hover .card-image img {
    transform: scale(1.15);
}

.card-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 0%, rgba(26, 26, 46, 0.3) 100%);
    transition: background 0.4s ease;
}

.promise-card:hover .card-image::after {
    background: linear-gradient(to bottom, transparent 0%, rgba(80, 200, 120, 0.2) 100%);
}

.card-content {
    padding: 1.5rem;
    position: relative;
    z-index: 2;
}

.card-content h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.8rem;
    color: #50c878;
    transition: color 0.3s ease;
}

.promise-card:hover .card-content h3 {
    color: #ffffff;
    text-shadow: 0 0 10px rgba(80, 200, 120, 0.5);
}

.card-content p {
    font-size: 1rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.8);
    transition: color 0.3s ease;
}

.promise-card:hover .card-content p {
    color: rgba(255, 255, 255, 0.95);
}

/* Solution Technologique Section */
.solution-section {
    background: linear-gradient(180deg, #1a1a2e 0%, #0f0f1e 100%);
    padding: 3.5rem 2rem;
    min-height: auto;
}

.solution-container {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.solution-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.solution-main-title {
    font-size: 2rem;
    font-weight: bold;
    color: #ffffff;
    margin-bottom: 0.8rem;
    line-height: 1.2;
}

.solution-main-description {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto;
}

.feature-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
    margin-bottom: 2.5rem;
}

.feature-content {
    order: 1;
}

.feature-image {
    order: 2;
}

.feature-block.reverse .feature-content {
    order: 2;
}

.feature-block.reverse .feature-image {
    order: 1;
}

.feature-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.feature-title {
    font-size: 1.8rem;
    font-weight: bold;
    color: #ffffff;
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.feature-description {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.feature-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1rem;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
}

.check-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background-color: #50c878;
    color: #ffffff;
    border-radius: 50%;
    font-weight: bold;
    font-size: 1.2rem;
    flex-shrink: 0;
    box-shadow: 0 2px 10px rgba(80, 200, 120, 0.3);
}

.feature-image {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
    transition: transform 0.3s ease;
    background: transparent;
}

.feature-image:hover {
    transform: scale(1.05);
}

.feature-image img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .promise-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-links {
        gap: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }

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

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

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

    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 300px;
    }

    .promise-section {
        padding: 4rem 1.5rem;
    }

    .promise-title {
        font-size: 2rem;
        margin-bottom: 3rem;
    }

    .promise-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
}

@media (max-width: 480px) {
    .promise-grid {
        grid-template-columns: 1fr;
    }

    .card-content {
        padding: 1.5rem;
    }

    .solution-section {
        padding: 3rem 1.5rem;
    }

    .solution-main-title {
        font-size: 1.8rem;
    }

    .solution-main-description {
        font-size: 1rem;
    }

    .feature-block {
        grid-template-columns: 1fr;
        gap: 2rem;
        margin-bottom: 3rem;
    }

    .feature-block.reverse {
        direction: ltr;
    }

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

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

    .feature-list li {
        font-size: 1rem;
    }
}

/* Call-to-Action Section */
.cta-section {
    background: linear-gradient(180deg, #0f0f1e 0%, #1a1a2e 100%);
    padding: 4rem 2rem;
}

.cta-container {
    max-width: 900px;
    margin: 0 auto;
    width: 100%;
}

.cta-box {
    background: rgba(15, 15, 30, 0.9);
    border: 2px solid rgba(74, 144, 226, 0.3);
    border-radius: 16px;
    padding: 3rem 2.5rem;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.cta-title {
    font-size: 2.2rem;
    font-weight: bold;
    color: #ffffff;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.cta-description {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-btn-primary {
    background-color: #50c878;
    color: #ffffff;
    border: none;
    padding: 0.9rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(80, 200, 120, 0.3);
}

.cta-btn-primary:hover {
    background-color: #45b869;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(80, 200, 120, 0.4);
}

.cta-btn-secondary {
    background-color: transparent;
    color: #ffffff;
    border: 2px solid #4a90e2;
    padding: 0.9rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.cta-btn-secondary:hover {
    background-color: rgba(74, 144, 226, 0.2);
    border-color: #5ba0f2;
    transform: translateY(-2px);
}

/* Footer */
.footer {
    background-color: #0f0f1e;
    padding: 4rem 2rem 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
}

.footer-column {
    display: flex;
    flex-direction: column;
}

.footer-logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: #ffffff;
    margin-bottom: 1rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.footer-description {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.footer-app {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.8);
}

.footer-link {
    color: #4a90e2;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: #5ba0f2;
    text-decoration: underline;
}

.footer-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #50c878;
}

.footer-text {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

/* Responsive Footer */
@media (max-width: 1024px) {
    .footer-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 2.5rem;
    }
}

@media (max-width: 768px) {
    .cta-section {
        padding: 4rem 1.5rem;
    }

    .cta-box {
        padding: 3rem 2rem;
    }

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

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

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

    .cta-btn-primary,
    .cta-btn-secondary {
        width: 100%;
        max-width: 300px;
    }

    .footer {
        padding: 3rem 1.5rem 1.5rem;
    }

    .footer-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

/* Résultats Mesurables Section */
.results-section {
    background: linear-gradient(180deg, #0f0f1e 0%, #1a1a2e 100%);
    padding: 5rem 2rem;
}

.results-container {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.results-title {
    font-size: 2.5rem;
    font-weight: bold;
    text-align: center;
    color: #ffffff;
    margin-bottom: 1.2rem;
}

.results-description {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    text-align: center;
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.result-card {
    background: rgba(26, 26, 46, 0.8);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.result-card:hover {
    transform: translateY(-5px);
    border-color: #50c878;
    box-shadow: 0 10px 30px rgba(80, 200, 120, 0.2);
}

.result-number {
    font-size: 3rem;
    font-weight: bold;
    color: #50c878;
    margin-bottom: 0.8rem;
    line-height: 1;
}

.result-card-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 0.8rem;
}

.result-card-description {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

/* Pourquoi Choisir NAVYRA Section */
.why-section {
    background: linear-gradient(180deg, #1a1a2e 0%, #0f0f1e 100%);
    padding: 5rem 2rem;
}

.why-container {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.why-title {
    font-size: 2.5rem;
    font-weight: bold;
    text-align: center;
    color: #ffffff;
    margin-bottom: 1.2rem;
}

.why-description {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    text-align: center;
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.why-card {
    background: rgba(26, 26, 46, 0.8);
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    position: relative;
}.why-card:hover {
    transform: translateY(-5px);
    border-color: #50c878;
    box-shadow: 0 10px 30px rgba(80, 200, 120, 0.2);
}

.why-icon {
    width: 36px;
    height: 36px;
    background-color: #50c878;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-weight: bold;
    font-size: 1.3rem;
    margin-bottom: 1.2rem;
    box-shadow: 0 4px 15px rgba(80, 200, 120, 0.3);
}

.why-card-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 0.8rem;
}

.why-card-description {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

/* Responsive pour les nouvelles sections */
@media (max-width: 1024px) {
    .results-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .why-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .results-section,
    .why-section {
        padding: 4rem 1.5rem;
    }

    .results-title,
    .why-title {
        font-size: 2rem;
    }

    .results-description,
    .why-description {
        font-size: 1.1rem;
    }

    .results-grid,
    .why-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

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