:root {
    /* Background Colors */
    --bg-primary: #0a0e27;
    --bg-secondary: #0f1429;
    --bg-card: #1a1f3a;
    --bg-nav: rgba(15, 20, 40, 0.95);

    /* Text Colors */
    --text-primary: #e0e0e0;
    --text-secondary: #b0b0b0;

    /* Border & Shadow */
    --border-color: #2a3050;
    --shadow: rgba(0, 0, 0, 0.5);

    /* Accent Colors */
    --accent-color: #8b9aff;
    --accent-light: #667eea;
    --accent-dark: #764ba2;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);

    /* Gradient Colors with Transparency */
    --accent-light-rgb: 102, 126, 234;
    --accent-dark-rgb: 118, 75, 162;
}

body.light-mode {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-card: #ffffff;
    --bg-nav: rgba(255, 255, 255, 0.95);
    --text-primary: #333333;
    --text-secondary: #666666;
    --border-color: #e0e0e0;
    --accent-color: #667eea;
    --shadow: rgba(0, 0, 0, 0.1);
    --accent-light: #667eea;
    --accent-dark: #764ba2;
    --accent-light-rgb: 102, 126, 234;
    --accent-dark-rgb: 118, 75, 162;
}

body.light-mode .cta-button {
    background: var(--gradient-primary);
    color: white;
}

body.light-mode footer {
    background: #f8f9fa;
    border-top: 2px solid var(--border-color);
}

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

body {
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    overflow-x: hidden;
    color: var(--text-primary);
    background: var(--bg-primary);
    transition:
        background 0.3s ease,
        color 0.3s ease;
}

/* Navigation */
nav {
    position: sticky;
    top: 0;
    width: 100%;
    background: var(--bg-nav);
    backdrop-filter: blur(10px);
    padding: .5rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    box-shadow: 0 2px 10px var(--shadow);
    transition: all 0.3s ease;
}

nav.scrolled {
    padding: 1rem 5%;
    box-shadow: 0 4px 20px var(--shadow);
}

nav.scrolled .logo {
    font-size: 1.5rem;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: font-size 0.3s ease;
}

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

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

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

.nav-right {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.theme-toggle {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 25px;
    padding: 0.5rem 1rem;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.theme-toggle:hover {
    transform: scale(1.05);
    border-color: var(--accent-color);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: all 0.3s ease;
    border-radius: 3px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Hero Section */
.hero {
    height: 100vh;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg,
            transparent 30%,
            rgba(255, 255, 255, 0.05) 30%,
            rgba(255, 255, 255, 0.05) 70%,
            transparent 70%);
    background-size: 100px 100px;
    animation: movePattern 20s linear infinite;
}

.hero::after {
    content: "";
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle,
            rgba(255, 255, 255, 0.1) 1px,
            transparent 1px);
    background-size: 50px 50px;
    animation: rotateBackground 60s linear infinite;
}

@keyframes movePattern {
    0% {
        transform: translateX(0) translateY(0);
    }

    100% {
        transform: translateX(100px) translateY(100px);
    }
}

@keyframes rotateBackground {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* Floating shapes animation */
.hero-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.shape {
    position: absolute;
    opacity: 0.1;
    animation: float 20s infinite ease-in-out;
}

.shape:nth-child(1) {
    top: 10%;
    left: 10%;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg,
            rgba(255, 255, 255, 0.3),
            transparent);
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    animation-delay: 0s;
    animation-duration: 15s;
}

.shape:nth-child(2) {
    top: 70%;
    left: 80%;
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg,
            transparent,
            rgba(255, 255, 255, 0.2));
    border-radius: 63% 37% 54% 46% / 55% 48% 52% 45%;
    animation-delay: 2s;
    animation-duration: 20s;
}

.shape:nth-child(3) {
    top: 40%;
    left: 5%;
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    animation-delay: 4s;
    animation-duration: 18s;
}

.shape:nth-child(4) {
    top: 20%;
    left: 85%;
    width: 100px;
    height: 100px;
    background: linear-gradient(45deg,
            rgba(255, 255, 255, 0.2),
            transparent);
    border-radius: 48% 52% 65% 35% / 48% 65% 35% 52%;
    animation-delay: 1s;
    animation-duration: 22s;
}

.shape:nth-child(5) {
    top: 60%;
    left: 15%;
    width: 90px;
    height: 90px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 40% 60% 60% 40% / 60% 40% 60% 40%;
    animation-delay: 3s;
    animation-duration: 17s;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0) translateX(0) rotate(0deg);
    }

    25% {
        transform: translateY(-30px) translateX(20px) rotate(90deg);
    }

    50% {
        transform: translateY(-15px) translateX(-20px) rotate(180deg);
    }

    75% {
        transform: translateY(-40px) translateX(10px) rotate(270deg);
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    opacity: 0;
    transform: translateY(50px);
    animation: fadeInUp 1s ease forwards;
}

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

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.hero p {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.cta-button {
    display: inline-block;
    padding: 1.2rem 3rem;
    background: white;
    color: var(--accent-color);
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    font-size: 1.1rem;
    transition:
        transform 0.3s,
        box-shadow 0.3s;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.cta-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

/* Sections */
section {
    padding: 5rem 5%;
    opacity: 0;
    transform: translateY(50px);
    transition:
        opacity 0.8s ease,
        transform 0.8s ease;
}

section.visible {
    opacity: 1;
    transform: translateY(0);
}

.section-title {
    text-align: center;
    font-size: 3rem;
    margin-bottom: 3rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Features */
.features {
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.features::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(-45deg,
            transparent 30%,
            rgba(var(--accent-light-rgb), 0.03) 30%,
            rgba(var(--accent-light-rgb), 0.03) 70%,
            transparent 70%);
    background-size: 80px 80px;
    animation: movePattern 30s linear infinite;
    pointer-events: none;
}

.features>* {
    position: relative;
    z-index: 1;
}

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

.feature-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 5px 20px var(--shadow);
    transition:
        transform 0.3s,
        box-shadow 0.3s,
        background 0.3s ease;
    text-align: center;
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(var(--accent-light-rgb), 0.3);
    border-color: var(--accent-color);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

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

/* Pricing */
.pricing {
    position: relative;
    overflow: hidden;
}

.pricing::after {
    content: "";
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle,
            rgba(var(--accent-light-rgb), 0.05) 1px,
            transparent 1px);
    background-size: 60px 60px;
    animation: rotateBackground 90s linear infinite;
    pointer-events: none;
}

.pricing>* {
    position: relative;
    z-index: 1;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    transition:
        transform 0.3s,
        border-color 0.3s,
        background 0.3s ease;
}

.pricing-card:hover {
    transform: scale(1.05);
    border-color: var(--accent-light);
}

.pricing-card.featured {
    border-color: var(--accent-light);
    position: relative;
    background: linear-gradient(135deg,
            rgba(var(--accent-light-rgb), 0.2) 0%,
            rgba(var(--accent-dark-rgb), 0.2) 100%);
}

.badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: bold;
}

.price {
    font-size: 3rem;
    font-weight: bold;
    color: var(--accent-color);
    margin: 1rem 0;
}

.pricing-features {
    list-style: none;
    margin: 2rem 0;
    text-align: left;
}

.pricing-features li {
    padding: 0.7rem 0;
    border-bottom: 1px solid var(--border-color);
}

.pricing-features li::before {
    content: "✓ ";
    color: var(--accent-color);
    font-weight: bold;
    margin-right: 0.5rem;
}

/* Testimonials */
.testimonials {
    background: var(--gradient-primary);
    color: white;
    padding: 5rem 2rem;
}

.testimonials .section-title {
    color: white;
    -webkit-text-fill-color: white;
    margin-bottom: 0.5rem;
}

.testimonials-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-subtitle {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.15rem;
    margin-top: 0.5rem;
    font-weight: 400;
}

.testimonials-slider-container {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.testimonials-track-wrapper {
    overflow: hidden;
    width: 100%;
    padding: 20px 5px 40px;
    /* Espace pour l'ombre */
    margin: -20px -5px -40px;
    /* Compensation du padding pour ne pas décaler le layout */
}

.testimonials-track {
    display: flex;
    transition: transform 0.5s ease-in-out;
    width: 100%;
    padding-left: 2px;
    /* Petit ajustement pour éviter les coupures */
}

.testimonial-slide {
    flex: 0 0 50%;
    padding: 15px;
    box-sizing: border-box;
    /* Optional: fade effect if needed */
}

/* Card Styling */
.testimonial-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 2.5rem;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    background: rgba(255, 255, 255, 0.15);
}

.quote-icon {
    font-size: 3rem;
    line-height: 1;
    color: rgba(255, 255, 255, 0.3);
    margin-bottom: 1rem;
    font-family: serif;
}

.rating {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.testimonial-card .text {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 2rem;
    font-style: italic;
    color: rgba(255, 255, 255, 0.9);
}

.testimonial-card .author {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-top: auto;
}

.testimonial-card .avatar {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.testimonial-card .info h4 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
}

.testimonial-card .info span {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

/* Slider Navigation */
.slider-nav {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.slider-nav:hover {
    background: white;
    color: var(--accent-light);
    transform: scale(1.1);
}

/* Dots */
.slider-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 2rem;
}

.slider-dot {
    width: 10px;
    height: 10px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
}

.slider-dot.active {
    background: white;
    transform: scale(1.3);
}

/* Responsive */
@media (max-width: 768px) {
    .testimonials-slider-container {
        position: relative;
        padding: 0 10px;
        /* Un peu de padding sur mobile */
        flex-direction: column;
        /* Stack pour gérer l'espace */
    }

    .testimonials-track-wrapper {
        padding: 10px 5px 20px;
        /* Ajuster pour mobile */
        margin: -10px -5px -20px;
    }

    /* Positionner les boutons en bas, écartés */
    .slider-nav {
        position: absolute;
        bottom: -50px;
        /* En dessous de la carte */
        width: 40px;
        height: 40px;
        font-size: 1rem;
        z-index: 10;
    }

    /* Bouton Précédent complètement à gauche */
    .slider-nav.prev {
        left: 20px;
        right: auto;
    }

    /* Bouton Suivant complètement à droite */
    .slider-nav.next {
        right: 20px;
        left: auto;
    }

    .testimonial-slide {
        flex: 0 0 100%;
    }

    /* Ajuster les dots pour qu'ils soient entre les boutons */
    .slider-dots {
        margin-top: 4rem;
        /* Plus d'espace car boutons sont là */
        gap: 8px;
    }

    .testimonial-card {
        padding: 2rem 1.5rem;
        /* Moins de padding interne sur mobile */
    }

    .quote-icon {
        font-size: 2.5rem;
    }
}

.testimonial-text {
    font-style: normal;
    margin-bottom: 1.5rem;
    font-size: 1.15rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.95);
    font-weight: 400;
    position: relative;
    z-index: 1;
    padding-left: 0.5rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    margin-top: auto;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.author-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.5) 0%, rgba(118, 75, 162, 0.5) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
    flex-shrink: 0;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.author-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.author-name {
    font-weight: 700;
    font-size: 1.1rem;
    color: white;
}

.author-details {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
}

.success-badge {
    display: inline-flex;
    align-items: center;
    background: rgba(76, 175, 80, 0.25);
    color: #a5d6a7;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid rgba(76, 175, 80, 0.3);
}

.duration {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    font-weight: 500;
}

/* Contact */
.contact {
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.contact::after {
    content: "";
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle,
            rgba(var(--accent-dark-rgb), 0.05) 2px,
            transparent 2px);
    background-size: 70px 70px;
    animation: rotateBackground 120s linear infinite reverse;
    pointer-events: none;
}

.contact>* {
    position: relative;
    z-index: 1;
}

.contact-container {
    max-width: 800px;
    margin: 0 auto;
}

.contact-form {
    display: grid;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--accent-color);
}

.form-group input,
.form-group textarea {
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 1rem;
    font-family: inherit;
    transition:
        border-color 0.3s,
        background 0.3s ease,
        color 0.3s ease;
    background: var(--bg-card);
    color: var(--text-primary);
}

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

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.submit-button {
    padding: 1.2rem;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition:
        transform 0.3s,
        box-shadow 0.3s;
}

.submit-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(var(--accent-light-rgb), 0.4);
}

/* Footer */
footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 3rem 5%;
    text-align: center;
}

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

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

.social-links {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s;
}

.social-links a:hover {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
}

/* Scroll Progress Bar */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 4px;
    background: var(--gradient-primary);
    z-index: 9999;
    transition: width 0.1s;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 5px 20px rgba(var(--accent-light-rgb), 0.4);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(var(--accent-light-rgb), 0.6);
}

/* Stats Counter */
.stats {
    background: var(--gradient-primary);
    color: white;
    padding: 4rem 5%;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.stat-item {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.stat-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.stat-number {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* FAQ Section */
.faq {
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.faq::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg,
            transparent 25%,
            rgba(var(--accent-light-rgb), 0.02) 25%,
            rgba(var(--accent-light-rgb), 0.02) 50%,
            transparent 50%,
            transparent 75%,
            rgba(var(--accent-light-rgb), 0.02) 75%);
    background-size: 100px 100px;
    animation: movePattern 40s linear infinite reverse;
    pointer-events: none;
}

.faq>* {
    position: relative;
    z-index: 1;
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    margin-bottom: 1.5rem;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--accent-color);
}

.faq-question {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    font-size: 1.1rem;
    user-select: none;
}

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

.faq-icon {
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition:
        max-height 0.3s ease,
        padding 0.3s ease;
    padding: 0 1.5rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 1.5rem 1.5rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1.2rem;
    }

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

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background: var(--bg-nav);
        flex-direction: column;
        padding: 5rem 2rem;
        gap: 2rem;
        transition: right 0.3s ease;
        box-shadow: -5px 0 20px var(--shadow);
    }

    .nav-links.active {
        right: 0;
    }

    .hamburger {
        display: flex;
    }

    .back-to-top {
        bottom: 1rem;
        right: 1rem;
        width: 45px;
        height: 45px;
    }

    section {
        padding: 3rem 5%;
    }

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

    .slider-prev {
        left: 10px;
    }

    .slider-next {
        right: 10px;
    }
}

.hero-logo {
    max-width: 400px;
    width: 100%;
    margin-bottom: 2rem;
    background: rgba(0, 0, 0, 0.2);
    padding: 20px;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    border: 1px solid rgba(255, 255, 255, 0.1);
}