/* ===== Variables CSS ===== */
:root {
    /* Palette de bleus */
    --primary-blue: #1e3a8a;
    --secondary-blue: #3b82f6;
    --light-blue: #60a5fa;
    --lighter-blue: #dbeafe;
    --dark-blue: #1e40af;
    --navy-blue: #1e293b;

    /* Couleurs complémentaires */
    --white: #ffffff;
    --light-gray: #f8fafc;
    --gray: #64748b;
    --dark-gray: #334155;
    --text-dark: #0f172a;

    /* Ombres */
    --shadow-sm: 0 1px 2px 0 rgba(30, 58, 138, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(30, 58, 138, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(30, 58, 138, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(30, 58, 138, 0.1);

    /* Transitions */
    --transition: all 0.3s ease;
}

/* ===== Reset & Base ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--white);
}

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

/* ===== Header & Navigation ===== */
.header {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

.navbar {
    padding: 1rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: -0.5px;
}

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

.nav-link {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    padding: 0.5rem 1rem;
    border-radius: 6px;
}

.nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.btn-contact {
    background-color: var(--secondary-blue);
    padding: 0.5rem 1.5rem !important;
}

.btn-contact:hover {
    background-color: var(--light-blue);
    transform: translateY(-2px);
}

/* ===== Hero Section ===== */
.hero {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: var(--white);
    padding: 120px 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

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

/* ===== Buttons ===== */
.btn {
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    display: inline-block;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background-color: var(--lighter-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background-color: var(--white);
    color: var(--primary-blue);
    transform: translateY(-2px);
}

/* ===== DPO Manager Demo Section ===== */
.dpo-demo {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--lighter-blue) 0%, var(--white) 100%);
}

.dpo-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    margin-top: 3rem;
}

/* Colonne principale (gauche) */
.dpo-main-content {
    background: var(--white);
    padding: 3rem;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

.dpo-main-content h3 {
    font-size: 2rem;
    color: var(--primary-blue);
    margin-bottom: 1.5rem;
}

.dpo-main-content p {
    color: var(--gray);
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.dpo-features {
    list-style: none;
    margin: 2rem 0;
}

.dpo-features li {
    display: flex;
    align-items: start;
    gap: 1rem;
    margin-bottom: 1.25rem;
    padding: 1rem;
    background: var(--light-gray);
    border-radius: 8px;
    transition: var(--transition);
}

.dpo-features li:hover {
    background: var(--lighter-blue);
    transform: translateX(5px);
}

.dpo-features svg {
    width: 24px;
    height: 24px;
    color: var(--secondary-blue);
    flex-shrink: 0;
    margin-top: 0.15rem;
}

.dpo-features span {
    color: var(--dark-gray);
    font-size: 1rem;
    line-height: 1.6;
}

.dpo-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin: 2.5rem 0;
}

.dpo-stat {
    text-align: center;
    padding: 1.5rem;
    background: linear-gradient(135deg, var(--secondary-blue), var(--light-blue));
    border-radius: 12px;
    color: var(--white);
}

.dpo-stat h4 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.dpo-stat p {
    font-size: 0.9rem;
    margin: 0;
    color: var(--white);
    opacity: 0.95;
}

.dpo-info-box {
    background: linear-gradient(135deg, var(--lighter-blue), var(--white));
    padding: 2rem;
    border-radius: 12px;
    border-left: 4px solid var(--secondary-blue);
    margin-top: 2rem;
}

.dpo-info-box h4 {
    color: var(--primary-blue);
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.dpo-info-box p {
    margin: 0;
    color: var(--dark-gray);
}

/* Colonne sidebar (droite) */
.dpo-sidebar {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.dpo-badge-container,
.dpo-qr-container,
.dpo-cta-box {
    background: var(--white);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
}

.dpo-badge-container:hover,
.dpo-qr-container:hover,
.dpo-cta-box:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.dpo-badge-container h4,
.dpo-qr-container h4,
.dpo-cta-box h4 {
    color: var(--primary-blue);
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

.dpo-badge-container iframe {
    display: block;
    margin: 0 auto;
    border-radius: 12px;
}

.badge-description,
.qr-description {
    color: var(--gray);
    font-size: 0.9rem;
    margin-top: 1rem;
    line-height: 1.5;
}

.dpo-qr-container img {
    max-width: 200px;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.dpo-cta-box {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: var(--white);
}

.dpo-cta-box h4 {
    color: var(--white);
}

.dpo-cta-box p {
    color: var(--white);
    opacity: 0.95;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    line-height: 1.6;
}

.btn-small {
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
}

.iframe-container {
    max-width: 900px;
    margin: 0 auto;
    background: var(--white);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    border: 3px solid var(--secondary-blue);
    transition: var(--transition);
}

.iframe-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 35px -5px rgba(30, 58, 138, 0.2);
}

.iframe-container iframe {
    display: block;
    width: 100%;
    border-radius: 8px;
    border: 1px solid var(--lighter-blue);
    min-height: 400px;
}

/* ===== Sections ===== */
.services,
.about,
.contact {
    padding: 100px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    text-align: center;
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    color: var(--gray);
    font-size: 1.1rem;
    margin-bottom: 4rem;
}

/* ===== Services Section ===== */
.services {
    background-color: var(--light-gray);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 2px solid transparent;
}

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

.service-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--secondary-blue), var(--light-blue));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.service-icon svg {
    width: 32px;
    height: 32px;
    color: var(--white);
}

.service-card h3 {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--gray);
    line-height: 1.7;
}

/* ===== About Section ===== */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-text p {
    color: var(--gray);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.8;
}

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

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: linear-gradient(135deg, var(--lighter-blue), var(--white));
    border-radius: 12px;
}

.stat-item h3 {
    font-size: 2.5rem;
    color: var(--primary-blue);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-item p {
    color: var(--dark-gray);
    font-size: 0.9rem;
    margin: 0;
}

.about-values {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    padding: 3rem;
    border-radius: 12px;
    color: var(--white);
}

.about-values h3 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
}

.value-item {
    margin-bottom: 2rem;
}

.value-item:last-child {
    margin-bottom: 0;
}

.value-item h4 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.value-item p {
    opacity: 0.9;
    line-height: 1.6;
}

/* ===== Contact Section ===== */
.contact {
    background-color: var(--light-gray);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 3rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: start;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.contact-item svg {
    width: 24px;
    height: 24px;
    color: var(--secondary-blue);
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.contact-item h4 {
    color: var(--primary-blue);
    margin-bottom: 0.25rem;
    font-size: 1.1rem;
}

.contact-item p {
    color: var(--gray);
    margin: 0;
}

/* ===== Contact Form ===== */
.contact-form {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

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

.contact-form .btn {
    width: 100%;
    background: linear-gradient(135deg, var(--secondary-blue), var(--primary-blue));
    color: var(--white);
}

.contact-form .btn:hover {
    background: linear-gradient(135deg, var(--light-blue), var(--secondary-blue));
}

/* ===== DSR Widget Section ===== */
.dsr-widget {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--white) 0%, var(--lighter-blue) 100%);
}

.dsr-widget-container {
    max-width: 1000px;
    margin: 3rem auto 0;
    background: var(--white);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    border: 3px solid var(--secondary-blue);
    transition: var(--transition);
}

.dsr-widget-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 35px -5px rgba(30, 58, 138, 0.2);
}

.dsr-widget-container iframe {
    display: block;
    width: 100%;
    border-radius: 8px;
    border: none;
}

/* ===== Footer ===== */
.footer {
    background: linear-gradient(135deg, var(--navy-blue), var(--primary-blue));
    color: var(--white);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.footer-section h4 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.footer-section p {
    opacity: 0.9;
    line-height: 1.7;
}

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

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section ul li a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.9;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    opacity: 1;
    padding-left: 5px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    opacity: 0.8;
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    .nav-menu {
        flex-direction: column;
        gap: 0.5rem;
    }

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

    .hero-subtitle {
        font-size: 1.1rem;
    }

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

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

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

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

    /* DPO Demo responsive */
    .dpo-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .dpo-main-content {
        padding: 2rem;
    }

    .dpo-main-content h3 {
        font-size: 1.6rem;
    }

    .dpo-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    /* DSR Widget responsive */
    .dsr-widget-container {
        padding: 1rem;
    }

    .dsr-widget-container iframe {
        height: 500px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 80px 0;
    }

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

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        text-align: center;
    }
}