/* Landing page styles */
:root {
    --landing-primary: #2D7DD2;
    --landing-primary-dark: #1E5FA6;
    --landing-secondary: #3BB58F;
    --landing-dark: #111827;
    --landing-gray: #6B7280;
    --landing-light: #F9FAFB;
    --landing-white: #FFFFFF;
}

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

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

.landing-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navbar */
.landing-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid #E5E7EB;
    z-index: 100;
    padding: 0 24px;
}
.landing-nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
}
.landing-logo {
    font-size: 22px;
    font-weight: 700;
    color: var(--landing-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}
.landing-logo-icon {
    width: 32px;
    height: 32px;
    background: var(--landing-primary);
    color: white;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 700;
}
.landing-nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
}
.landing-nav-links a {
    color: var(--landing-gray);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
}
.landing-nav-links a:hover { color: var(--landing-dark); }
.landing-nav-links a.btn-landing-primary { color: white; }
.landing-nav-links a.btn-landing-primary:hover { color: white; }

/* Buttons */
.btn-landing {
    display: inline-flex;
    align-items: center;
    padding: 10px 24px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
}
.btn-landing-primary {
    background: var(--landing-primary);
    color: white;
}
.btn-landing-primary:hover {
    background: var(--landing-primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(79,70,229,0.3);
}
.btn-landing-outline {
    border: 2px solid var(--landing-primary);
    color: var(--landing-primary);
    background: transparent;
}
.btn-landing-outline:hover {
    background: var(--landing-primary);
    color: white;
}
.btn-landing-large {
    padding: 14px 32px;
    font-size: 16px;
}

/* Hero */
.landing-hero {
    padding: 140px 0 80px;
    text-align: center;
    background: linear-gradient(180deg, #EEF2FF 0%, var(--landing-white) 100%);
}
.landing-hero h1 {
    font-size: clamp(32px, 5vw, 52px);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
    color: var(--landing-dark);
}
.landing-hero h1 span {
    color: var(--landing-primary);
}
.landing-hero p {
    font-size: 18px;
    color: var(--landing-gray);
    max-width: 640px;
    margin: 0 auto 32px;
}
.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}
.hero-badges {
    margin-top: 32px;
    display: flex;
    gap: 24px;
    justify-content: center;
    flex-wrap: wrap;
}
.hero-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--landing-gray);
}
.hero-badge-icon {
    font-size: 16px;
}

/* Demo cards */
.demo-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    max-width: 800px;
    margin: 0 auto;
}
.demo-card {
    background: white;
    border: 2px solid #E5E7EB;
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    transition: all 0.2s;
}
.demo-card:hover {
    border-color: var(--landing-primary);
    box-shadow: 0 8px 24px rgba(45,125,210,0.1);
    transform: translateY(-2px);
}
.demo-card-icon {
    font-size: 48px;
    margin-bottom: 12px;
}
.demo-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 8px;
}
.demo-card p {
    font-size: 14px;
    color: var(--landing-gray);
    margin-bottom: 20px;
    line-height: 1.6;
}
.demo-card-buttons {
    display: flex;
    gap: 10px;
    justify-content: center;
}
.btn-demo {
    padding: 8px 20px;
    font-size: 13px;
    border-radius: 6px;
}

/* Section */
.landing-section {
    padding: 80px 0;
}
.landing-section-alt {
    background: var(--landing-light);
}
.landing-section-title {
    text-align: center;
    margin-bottom: 48px;
}
.landing-section-title h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 12px;
}
.landing-section-title p {
    font-size: 16px;
    color: var(--landing-gray);
    max-width: 560px;
    margin: 0 auto;
}

/* Features grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}
.feature-card {
    background: white;
    border: 1px solid #E5E7EB;
    border-radius: 12px;
    padding: 28px;
    transition: all 0.2s;
}
.feature-card:hover {
    border-color: var(--landing-primary);
    box-shadow: 0 4px 16px rgba(79,70,229,0.08);
    transform: translateY(-2px);
}
.feature-icon {
    width: 48px;
    height: 48px;
    background: #EEF2FF;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 16px;
}
.feature-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}
.feature-card p {
    font-size: 14px;
    color: var(--landing-gray);
    line-height: 1.6;
}

/* Advantages */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}
.advantage-item {
    text-align: center;
    padding: 24px;
}
.advantage-icon {
    font-size: 32px;
    margin-bottom: 12px;
}
.advantage-item h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 6px;
}
.advantage-item p {
    font-size: 14px;
    color: var(--landing-gray);
}

/* Pricing */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    max-width: 1100px;
    margin: 0 auto;
}
.pricing-card {
    background: white;
    border: 2px solid #E5E7EB;
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    position: relative;
}
.pricing-card-featured {
    border-color: var(--landing-primary);
}
.pricing-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--landing-primary);
    color: white;
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}
.pricing-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
}
.pricing-price {
    font-size: 40px;
    font-weight: 800;
    color: var(--landing-dark);
    margin: 16px 0;
}
.pricing-price span {
    font-size: 16px;
    font-weight: 400;
    color: var(--landing-gray);
}
.pricing-features {
    list-style: none;
    text-align: left;
    margin: 24px 0;
}
.pricing-features li {
    padding: 8px 0;
    font-size: 14px;
    color: var(--landing-gray);
    display: flex;
    align-items: center;
    gap: 8px;
}
.pricing-check { color: var(--landing-secondary); font-weight: bold; }

/* FAQ */
.faq-list {
    max-width: 720px;
    margin: 0 auto;
}
.faq-item {
    border-bottom: 1px solid #E5E7EB;
    padding: 20px 0;
}
.faq-question {
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.faq-answer {
    font-size: 14px;
    color: var(--landing-gray);
    margin-top: 12px;
    line-height: 1.7;
}

/* CTA */
.landing-cta {
    text-align: center;
    padding: 80px 0;
    background: linear-gradient(135deg, #2D7DD2 0%, #3BB58F 100%);
    color: white;
}
.landing-cta h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 12px;
}
.landing-cta p {
    font-size: 16px;
    opacity: 0.9;
    margin-bottom: 32px;
}
.btn-landing-white {
    background: white;
    color: var(--landing-primary);
}
.btn-landing-white:hover {
    background: #F9FAFB;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

/* Footer */
.landing-footer {
    background: var(--landing-dark);
    color: #9CA3AF;
    padding: 48px 0 32px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 32px;
}
.footer-brand p {
    font-size: 14px;
    margin-top: 12px;
    line-height: 1.6;
}
.footer-col h4 {
    color: white;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
}
.footer-col a {
    display: block;
    color: #9CA3AF;
    text-decoration: none;
    font-size: 14px;
    padding: 4px 0;
    transition: color 0.2s;
}
.footer-col a:hover { color: white; }
.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
}

/* Responsive */
@media (max-width: 768px) {
    .landing-nav-links { display: none; }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .footer-bottom { flex-direction: column; gap: 12px; }
    .pricing-grid { grid-template-columns: 1fr; max-width: 400px; }
}

/* Lettre d'information */
.newsletter-box {
    max-width: 640px;
    margin: 0 auto;
    background: var(--landing-light);
    border: 1px solid #E5E7EB;
    border-radius: 16px;
    padding: 40px 32px;
    text-align: center;
}
.newsletter-box h2 {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 10px;
}
.newsletter-box > p {
    font-size: 15px;
    color: var(--landing-gray);
    margin-bottom: 24px;
}
.newsletter-form {
    text-align: left;
}
.newsletter-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}
.newsletter-row input[type="email"] {
    flex: 1 1 240px;
    min-width: 0;
    padding: 12px 16px;
    font-size: 15px;
    font-family: inherit;
    border: 2px solid #E5E7EB;
    border-radius: 8px;
    background: var(--landing-white);
    color: var(--landing-dark);
}
.newsletter-row input[type="email"]:focus {
    outline: none;
    border-color: var(--landing-primary);
}
.newsletter-consent {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-top: 16px;
    font-size: 13px;
    line-height: 1.5;
    color: var(--landing-gray);
    cursor: pointer;
}
.newsletter-consent input {
    margin-top: 3px;
    flex-shrink: 0;
    accent-color: var(--landing-primary);
}
.newsletter-legal {
    margin-top: 12px;
    font-size: 12px;
    color: var(--landing-gray);
}
.newsletter-legal a { color: var(--landing-primary); }
.newsletter-feedback {
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
    margin-bottom: 20px;
    text-align: left;
}
.newsletter-feedback-ok {
    background: #ECFDF5;
    border: 1px solid var(--landing-secondary);
    color: #065F46;
}
.newsletter-feedback-error {
    background: #FEF2F2;
    border: 1px solid #FCA5A5;
    color: #991B1B;
}

/* Accessibilité : libellé réservé aux lecteurs d'écran */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Utilitaires repris de app.css (seuls utilisés par les pages landing/légales) */
.text-sm { font-size: 0.875rem; }
.text-muted { color: var(--landing-gray); }