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

:root {
    /* Palette bleu/gris avec touches de jaune */
    --color-primary: #2563eb;        /* Bleu principal */
    --color-primary-dark: #1e40af;  /* Bleu foncé */
    --color-primary-light: #3b82f6; /* Bleu clair */
    --color-secondary: #64748b;     /* Gris bleuté */
    --color-gray-light: #f1f5f9;    /* Gris très clair */
    --color-gray: #94a3b8;           /* Gris moyen */
    --color-gray-dark: #475569;      /* Gris foncé */
    --color-accent-yellow: #fbbf24; /* Jaune accent */
    --color-yellow-dark: #f59e0b;   /* Jaune foncé */
    --color-white: #ffffff;
    --color-black: #0f172a;         /* Noir bleuté */
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--color-black);
    background: var(--color-white);
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--color-white);
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

nav {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--color-primary);
}

.logo-img {
    height: 40px;
    width: auto;
    display: block;
}

.logo-text {
    display: inline-block;
}

@media (max-width: 768px) {
    .logo-img {
        height: 32px;
    }
    
    .logo-text {
        font-size: 1rem;
    }
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 3rem;
}

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

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent-yellow);
    transition: width 0.3s ease;
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 8rem 2rem 4rem;
    background: var(--color-white);
    text-align: center;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto 4rem;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 300;
    line-height: 1.2;
    margin-bottom: 2rem;
    color: var(--color-black);
    letter-spacing: -0.02em;
}

.hero-title strong {
    font-weight: 600;
    color: var(--color-primary);
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    color: var(--color-gray-dark);
    font-weight: 300;
}

/* Main Buttons - 3 grandes cartes visuelles */
.main-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 0 2rem;
}

.main-button-card {
    background: var(--color-white);
    border: 2px solid var(--color-primary);
    padding: 3rem 2rem;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    min-height: 350px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.main-button-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    transition: left 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 0;
}

.main-button-card:hover::before {
    left: 0;
}

.main-button-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(37, 99, 235, 0.2);
    border-color: var(--color-primary-dark);
}

.button-content {
    position: relative;
    z-index: 1;
    width: 100%;
    text-align: center;
    transition: color 0.4s;
}

.main-button-card:hover .button-content {
    color: var(--color-white);
}

.button-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.4s;
    filter: drop-shadow(0 0 10px rgba(251, 191, 36, 0.3));
    min-height: 80px;
}

.button-logo {
    width: 80px;
    height: 80px;
    object-fit: contain;
    display: block;
}

.main-button-card:hover .button-icon {
    transform: scale(1.1) rotate(5deg);
    filter: drop-shadow(0 0 20px var(--color-accent-yellow));
}

.main-button-card:hover .button-logo {
    filter: brightness(1.1);
}

.main-button-card h2 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: inherit;
    transition: color 0.4s;
}

.button-subtitle {
    font-size: 1rem;
    font-weight: 300;
    margin-bottom: 1rem;
    color: var(--color-gray-dark);
    transition: color 0.4s;
}

.main-button-card:hover .button-subtitle {
    color: rgba(255, 255, 255, 0.9);
}

.button-description {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-secondary);
    transition: color 0.4s;
    margin-bottom: 1.5rem;
}

.main-button-card:hover .button-description {
    color: rgba(255, 255, 255, 0.9);
}

.button-arrow {
    font-size: 2rem;
    font-weight: 300;
    display: inline-block;
    transition: transform 0.4s;
}

.main-button-card:hover .button-arrow {
    transform: translateX(10px);
}

/* Detail Sections */
.detail-section {
    min-height: 100vh;
    padding: 8rem 0 4rem;
    background: var(--color-gray-light);
}

.detail-section.hidden {
    display: none;
}

.back-button {
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    margin-bottom: 3rem;
    transition: all 0.3s;
    display: inline-block;
    border-radius: 4px;
}

.back-button:hover {
    background: var(--color-primary-dark);
    transform: translateX(-5px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 300;
    letter-spacing: 0.1em;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--color-primary);
    text-transform: uppercase;
}

.section-subtitle {
    font-size: 1.2rem;
    text-align: center;
    color: var(--color-gray-dark);
    margin-bottom: 3rem;
    font-weight: 300;
}

.section-logo-container {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
}

.section-logo {
    width: 120px;
    height: 120px;
    object-fit: contain;
    display: block;
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.1));
}

@media (max-width: 768px) {
    .section-logo {
        width: 80px;
        height: 80px;
    }
}

/* Service Items */
.offre-content {
    max-width: 900px;
    margin: 0 auto 3rem;
    background: var(--color-white);
    padding: 3rem;
    border-radius: 8px;
}

.service-item {
    display: flex;
    gap: 2rem;
    margin-bottom: 2.5rem;
    padding: 1.5rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.service-item:last-child {
    border-bottom: none;
}

.service-number {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-gray);
    min-width: 2rem;
    font-style: italic;
}

.service-text h4 {
    font-size: 1.3rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--color-primary-dark);
}

.service-text p {
    font-size: 1rem;
    color: var(--color-gray-dark);
    line-height: 1.7;
    margin-bottom: 0.5rem;
}

.service-text a {
    color: var(--color-primary);
    text-decoration: underline;
    transition: all 0.3s;
    font-weight: 500;
}

.service-text a:hover {
    color: var(--color-accent-yellow);
}

.service-text h5 {
    font-size: 1.1rem;
    font-weight: 500;
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--color-primary);
}

.service-text ul,
.service-text ol {
    margin-left: 2rem;
    margin-bottom: 1rem;
    color: var(--color-gray-dark);
}

.service-text li {
    margin-bottom: 0.5rem;
    line-height: 1.7;
}

.service-text ul li {
    list-style-type: disc;
}

.service-text ol li {
    list-style-type: decimal;
}

.smile-tagline {
    font-size: 1.4rem;
    font-weight: 500;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.smile-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-gray-dark);
    margin-bottom: 2rem;
    text-align: center;
}

/* Cal.com Buttons */
.cal-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 500px;
    margin: 2rem auto 0;
}

.cal-link {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--color-primary);
    color: var(--color-white);
    text-decoration: none;
    text-align: center;
    font-weight: 500;
    font-size: 0.95rem;
    letter-spacing: 0.05em;
    transition: all 0.3s ease;
    border: 2px solid var(--color-primary);
    cursor: pointer;
    border-radius: 4px;
}

.cal-link:hover {
    background: var(--color-white);
    color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

/* Contact Form */
.contact-form {
    max-width: 700px;
    margin: 0 auto;
    background: var(--color-white);
    padding: 3rem;
    border-radius: 8px;
}

.form-group {
    margin-bottom: 2rem;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--color-black);
    font-size: 1rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--color-gray);
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
    background: var(--color-white);
    color: var(--color-black);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

.submit-button {
    width: 100%;
    padding: 1.25rem 2rem;
    background: var(--color-primary);
    color: var(--color-white);
    border: 2px solid var(--color-primary);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    letter-spacing: 0.05em;
    border-radius: 4px;
    position: relative;
    overflow: hidden;
}

.submit-button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: var(--color-accent-yellow);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
    opacity: 0.2;
}

.submit-button:hover::before {
    width: 300px;
    height: 300px;
}

.submit-button:hover {
    background: var(--color-primary-dark);
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.3);
    transform: translateY(-2px);
}

.submit-button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.submit-button span {
    position: relative;
    z-index: 1;
}

.form-message {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: 4px;
    text-align: center;
    font-weight: 500;
    display: none;
}

.form-message.success {
    background: #d1fae5;
    color: #065f46;
    border: 2px solid #10b981;
    display: block;
}

.form-message.error {
    background: #fee2e2;
    color: #991b1b;
    border: 2px solid #ef4444;
    display: block;
}

/* Equipe Section */
.equipe {
    background: var(--color-white);
    padding: 6rem 0;
}

.equipe-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.equipe-intro {
    font-size: clamp(1.2rem, 2vw, 1.8rem);
    line-height: 1.8;
    margin-bottom: 2rem;
    color: var(--color-black);
    font-weight: 300;
}

.equipe-intro strong {
    font-weight: 600;
    color: var(--color-primary);
}

.equipe-value {
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    margin-bottom: 4rem;
    color: var(--color-gray-dark);
    font-weight: 300;
}

.equipe-value strong {
    font-weight: 600;
    color: var(--color-accent-yellow);
}

.equipe-members {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.member {
    padding: 2rem;
}

.member h3 {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--color-primary-dark);
}

.member p {
    font-size: 0.95rem;
    color: var(--color-gray);
    font-weight: 300;
}

/* Footer */
footer {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-black) 100%);
    color: var(--color-white);
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--color-white);
    text-decoration: none;
    font-size: 0.9rem;
    transition: opacity 0.3s;
}

.footer-links a:hover {
    opacity: 0.6;
}

.visitor-counter {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
}

#visitor-count {
    font-weight: 600;
    color: var(--color-white);
}

/* Responsive */
@media (max-width: 768px) {
    nav {
        padding: 1rem;
        flex-direction: column;
        gap: 1rem;
    }

    .nav-links {
        gap: 1.5rem;
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero {
        padding: 6rem 1rem 3rem;
    }

    .main-buttons {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 0 1rem;
    }

    .main-button-card {
        min-height: 280px;
        padding: 2rem 1.5rem;
    }

    .button-icon {
        font-size: 3rem;
    }

    .main-button-card h2 {
        font-size: 1.5rem;
    }

    .offre-content,
    .contact-form {
        padding: 2rem 1.5rem;
    }

    .service-item {
        flex-direction: column;
        gap: 0.5rem;
    }

    .equipe-members {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

/* Legal Pages */
.legal-page {
    padding: 8rem 0 4rem;
    background: var(--color-white);
}

.legal-content {
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

.legal-content h1 {
    text-align: center;
    margin-bottom: 3rem;
}

.legal-content h2 {
    font-size: 1.8rem;
    font-weight: 500;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    color: var(--color-black);
}

.legal-content h3 {
    font-size: 1.3rem;
    font-weight: 500;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--color-gray-dark);
}

.legal-content p {
    margin-bottom: 1rem;
    color: var(--color-gray-dark);
}

.legal-content ul {
    margin-left: 2rem;
    margin-bottom: 1.5rem;
}

.legal-content li {
    margin-bottom: 0.5rem;
    color: var(--color-gray-dark);
}

.legal-content a {
    color: var(--color-black);
    text-decoration: underline;
    transition: opacity 0.3s;
}

.legal-content a:hover {
    opacity: 0.6;
}