/* ===================================
   VARIABLES & RESET
   =================================== */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary-color: #7c3aed;
    --text-dark: #1e293b;
    --text-medium: #475569;
    --text-light: #64748b;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    --success-color: #10b981;
    --warning-color: #f59e0b;

    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Playfair Display', serif;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--text-dark);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

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

.section-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    text-align: center;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-medium);
    text-align: center;
    margin-bottom: 3rem;
}

.section-subtitle-large {
    font-size: 1.75rem;
    font-weight: 300;
    color: var(--text-medium);
    text-align: center;
    margin-bottom: 2rem;
}

.section-intro {
    font-size: 1.125rem;
    color: var(--text-medium);
    text-align: center;
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-conclusion {
    text-align: center;
    font-size: 1.125rem;
    color: var(--text-medium);
    margin-top: 3rem;
    font-style: italic;
}

.section-conclusion-strong {
    text-align: center;
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-top: 3rem;
    font-weight: 600;
}

/* ===================================
   BUTTONS
   =================================== */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 1rem;
    text-align: center;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: white;
    box-shadow: var(--shadow-md);
}

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

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

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

.btn-large {
    padding: 1.125rem 2.5rem;
    font-size: 1.125rem;
}

.btn-link {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1.125rem;
}

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

/* ===================================
   NAVIGATION
   =================================== */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

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

.nav-brand h1 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--text-dark);
}

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

.nav-links a {
    color: var(--text-medium);
    font-weight: 500;
    font-size: 0.95rem;
}

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

.btn-nav {
    background: var(--primary-color);
    color: white;
    padding: 0.625rem 1.5rem;
    border-radius: var(--radius-md);
}

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 0.375rem;
    background: transparent;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--text-dark);
    transition: all 0.3s ease;
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    position: relative;
    padding: 6rem 0 8rem;
    background: linear-gradient(135deg, #f8fafc 0%, #e0e7ff 100%);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.1;
    background-image:
        radial-gradient(circle at 20% 50%, var(--primary-color) 1px, transparent 1px),
        radial-gradient(circle at 80% 80%, var(--secondary-color) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero-title {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    line-height: 1.15;
}

.hero-subtitle {
    font-size: 1.375rem;
    color: var(--text-medium);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.hero-highlight {
    font-size: 1.25rem;
    color: var(--text-dark);
    font-weight: 500;
    margin-bottom: 2.5rem;
}

.hero-cta {
    margin-bottom: 2rem;
}

.cta-subtext {
    margin-top: 1rem;
    font-size: 0.95rem;
    color: var(--text-light);
}

.reassurance {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem 1rem;
    font-size: 0.95rem;
    color: var(--text-medium);
    margin-top: 2rem;
}

.reassurance-item {
    display: inline-flex;
    align-items: center;
}

.reassurance-separator {
    color: var(--text-light);
}

/* ===================================
   SECTION CONSTAT
   =================================== */
.section-constat {
    padding: 5rem 0;
    background: var(--bg-white);
}

.constat-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.constat-text {
    font-size: 1.25rem;
    color: var(--text-medium);
    margin-bottom: 3rem;
    line-height: 1.7;
}

.constat-problems {
    margin: 3rem 0;
}

.constat-problems h3 {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 2rem;
}

.problems-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.problem-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    text-align: left;
}

.problem-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.problem-item p {
    font-size: 1.125rem;
    color: var(--text-medium);
    margin: 0;
}

.constat-conclusion {
    font-size: 1.375rem;
    color: var(--text-dark);
    font-weight: 600;
    margin-top: 3rem;
}

/* ===================================
   SECTION SOLUTION
   =================================== */
.section-solution {
    padding: 5rem 0;
    background: var(--bg-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

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

.feature-card h3 {
    font-size: 1.25rem;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.feature-card p {
    color: var(--text-medium);
    line-height: 1.6;
}

/* ===================================
   SECTION FONCTIONNEMENT
   =================================== */
.section-fonctionnement {
    padding: 5rem 0;
    background: var(--bg-white);
}

.steps-container {
    max-width: 800px;
    margin: 3rem auto 0;
}

.step {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
    position: relative;
}

.step:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 2rem;
    top: 4rem;
    width: 2px;
    height: calc(100% + 1rem);
    background: linear-gradient(to bottom, var(--primary-color), transparent);
}

.step-number {
    flex-shrink: 0;
    width: 4rem;
    height: 4rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    box-shadow: var(--shadow-md);
}

.step-content h3 {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.step-content p {
    color: var(--text-medium);
    font-size: 1.0625rem;
    line-height: 1.7;
}

.step-content ul {
    margin-top: 0.75rem;
    padding-left: 1.5rem;
    color: var(--text-medium);
}

.step-content ul li {
    margin-bottom: 0.5rem;
}

/* ===================================
   SECTION AUDIENCE
   =================================== */
.section-audience {
    padding: 5rem 0;
    background: var(--bg-light);
}

.audience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.audience-card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    text-align: center;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
}

.audience-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-3px);
}

.audience-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 1rem;
}

.audience-card h3 {
    font-size: 1.125rem;
    color: var(--text-dark);
    font-weight: 600;
}

/* ===================================
   SECTION DEFINITION
   =================================== */
.section-definition {
    padding: 5rem 0;
    background: var(--bg-white);
}

.definition-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    max-width: 900px;
    margin: 3rem auto 0;
}

.definition-column h3 {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.definition-column ul {
    list-style: none;
}

.definition-column li {
    padding: 1rem;
    margin-bottom: 0.75rem;
    border-radius: var(--radius-md);
    font-size: 1.0625rem;
    line-height: 1.6;
}

.definition-is li {
    background: #ecfdf5;
    color: #065f46;
}

.definition-isnot li {
    background: #fef2f2;
    color: #991b1b;
}

.section-disclaimer {
    text-align: center;
    font-size: 1.125rem;
    color: var(--text-dark);
    font-weight: 600;
    margin-top: 3rem;
    padding: 1.5rem;
    background: #fef3c7;
    border-radius: var(--radius-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    margin-top: 3rem;
}

/* ===================================
   SECTION SÉCURITÉ
   =================================== */
.section-securite {
    padding: 5rem 0;
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    color: white;
}

.section-securite .section-title,
.section-securite .section-subtitle {
    color: white;
}

.security-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.security-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
    transition: all 0.3s ease;
}

.security-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.security-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 1rem;
}

.security-item h3 {
    font-size: 1.25rem;
    color: white;
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.security-item p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
}

.section-securite .section-conclusion-strong {
    color: white;
}

/* ===================================
   SECTION TARIFS
   =================================== */
.section-tarifs {
    padding: 5rem 0;
    background: var(--bg-light);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    max-width: 1400px;
    margin: 3rem auto 0;
}

.pricing-card {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    position: relative;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.pricing-premium {
    border-color: var(--primary-color);
}

.pricing-badge {
    position: absolute;
    top: -0.75rem;
    right: 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
}

.pricing-header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 2px solid var(--border-color);
}

.pricing-header h3 {
    font-size: 1.75rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-weight: 700;
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
}

.period {
    font-size: 1.125rem;
    color: var(--text-light);
}

.pricing-subtitle {
    font-size: 0.95rem;
    color: var(--text-light);
}

.pricing-features {
    list-style: none;
    margin-bottom: 2rem;
}

.pricing-features li {
    padding: 0.75rem 0;
    color: var(--text-medium);
    font-size: 1.0625rem;
}

.pricing-card .btn {
    width: 100%;
}

.pricing-lifetime {
    border-color: #16a34a;
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
}

.pricing-note {
    text-align: center;
    margin-top: 2.5rem;
    padding: 1.5rem;
    background: rgba(37, 99, 235, 0.05);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-color);
}

.pricing-note p {
    color: var(--text-medium);
    font-size: 1rem;
    margin: 0;
}

.pricing-cta {
    text-align: center;
    margin-top: 3rem;
}

/* ===================================
   SECTION EMOTIONAL
   =================================== */
.section-emotional {
    padding: 6rem 0;
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
}

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

.emotional-title {
    font-family: var(--font-display);
    font-size: 2.75rem;
    color: var(--text-dark);
    margin-bottom: 2.5rem;
}

.emotional-quotes {
    margin: 2rem 0;
}

.quote {
    font-size: 1.5rem;
    color: var(--text-medium);
    margin-bottom: 1rem;
    font-style: italic;
    font-weight: 300;
}

.emotional-conclusion {
    font-size: 1.375rem;
    color: var(--text-dark);
    font-weight: 600;
    margin-top: 2.5rem;
}

/* ===================================
   SECTION FINAL CTA
   =================================== */
.section-final-cta {
    padding: 5rem 0;
    background: var(--bg-white);
    text-align: center;
}

.final-cta-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: 2rem;
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
}

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

.footer-column h4 {
    font-size: 1rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.footer-column a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.footer-column a:hover {
    color: white;
}

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.95rem;
}

/* ===================================
   RESPONSIVE
   =================================== */
@media (max-width: 968px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

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

    .hero-subtitle {
        font-size: 1.125rem;
    }

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

    .features-grid,
    .audience-grid,
    .security-features {
        grid-template-columns: 1fr;
    }

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

    .pricing-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 1.5rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }

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

    .reassurance-separator {
        display: none;
    }
}

@media (max-width: 640px) {
    .container {
        padding: 0 1rem;
    }

    .hero {
        padding: 4rem 0 5rem;
    }

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

    .section-title {
        font-size: 1.75rem;
    }

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

    .quote {
        font-size: 1.25rem;
    }

    .step {
        gap: 1rem;
    }

    .step-number {
        width: 3rem;
        height: 3rem;
        font-size: 1.25rem;
    }

    .step:not(:last-child)::after {
        left: 1.5rem;
    }

    .btn-large {
        padding: 1rem 2rem;
        font-size: 1rem;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}

/* Smooth scroll offset for fixed nav */
section {
    scroll-margin-top: 80px;
}