/*
 * Site vitrine NAVIX — feuille de style autonome (même approche que
 * l'espace client : pas de dépendance au build Vite/Tailwind). Palette,
 * typographie et structure des sections reprises du CLAUDE.md
 * § Site vitrine — Design & Contenu.
 */

@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,500;0,600;0,700;0,800;0,900;1,600&family=Inter:wght@400;500;600;700&display=swap');

:root {
    --navix-navy: #0A1A3C;
    --navix-navy-alt: #0D1B3E;
    --navix-blue-start: #1E4FD8;
    --navix-blue-end: #3B7CFF;
    --navix-blue-light: #5B9CFF;
    --navix-white: #FFFFFF;
    --navix-slate: #4B5567;
    --navix-bg-alt: #F4F6FB;
    --navix-gradient: linear-gradient(90deg, var(--navix-blue-start), var(--navix-blue-end));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body.navix-site {
    margin: 0;
    font-family: 'Inter', ui-sans-serif, system-ui, sans-serif;
    color: var(--navix-slate);
    background: var(--navix-white);
    line-height: 1.6;
}

.navix-site h1, .navix-site h2, .navix-site h3, .navix-site h4 {
    font-family: 'Poppins', ui-sans-serif, system-ui, sans-serif;
    color: var(--navix-navy);
    margin: 0 0 0.75rem;
    line-height: 1.2;
}

.navix-wrap { max-width: 1140px; margin: 0 auto; padding: 0 1.5rem; }
.navix-section { padding: 5rem 0; scroll-margin-top: 4.5rem; }
.navix-section-alt { background: var(--navix-bg-alt); }

.navix-eyebrow {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 0.75rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--navix-blue-start);
    display: block;
    margin-bottom: 0.75rem;
}

.navix-section-head { text-align: center; max-width: 640px; margin: 0 auto 3rem; }
.navix-section-head h2 { font-size: 2rem; font-weight: 800; }
.navix-section-head p { margin: 0; }

/* Header / Nav */
.navix-nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--navix-navy);
    padding: 1rem 0;
}
.navix-nav .navix-wrap { display: flex; align-items: center; justify-content: space-between; }
.navix-nav .brand {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
}
.navix-nav-logo {
    height: 2rem;
    width: auto;
    display: block;
}
.navix-nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
    margin: 0;
    padding: 0;
}
.navix-nav a.navlink {
    color: rgba(255,255,255,0.85);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
}
.navix-nav a.navlink:hover { color: var(--navix-white); }
.navix-nav-links { display: flex; align-items: center; gap: 2rem; }

@media (max-width: 820px) {
    .navix-nav ul { display: none; }
}

.navix-btn {
    display: inline-block;
    background: var(--navix-gradient);
    color: var(--navix-white);
    border: none;
    padding: 0.75rem 1.6rem;
    border-radius: 0.5rem;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    text-decoration: none;
    font-size: 0.95rem;
    white-space: nowrap;
}
.navix-btn-outline {
    background: transparent;
    border: 1.5px solid var(--navix-navy);
    color: var(--navix-navy);
}
.navix-btn-outline-light {
    background: transparent;
    border: 1.5px solid rgba(255,255,255,0.5);
    color: var(--navix-white);
}

/* Hero */
.navix-hero {
    background: radial-gradient(circle at 20% 20%, var(--navix-blue-start) 0%, transparent 45%),
                linear-gradient(160deg, var(--navix-navy) 0%, var(--navix-navy-alt) 55%, #102863 100%);
    color: var(--navix-white);
    padding: 6rem 0 7rem;
    position: relative;
    overflow: hidden;
}
.navix-hero .navix-wrap { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 3rem; align-items: center; }
@media (max-width: 900px) { .navix-hero .navix-wrap { grid-template-columns: 1fr; text-align: center; } }

.navix-hero-tagline {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--navix-blue-light);
    margin-bottom: 1rem;
}
.navix-hero h1 {
    color: var(--navix-white);
    font-size: 3rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.01em;
}
.navix-hero p.lead {
    color: rgba(255,255,255,0.85);
    font-size: 1.1rem;
    max-width: 480px;
    margin-bottom: 2rem;
}
@media (max-width: 900px) { .navix-hero p.lead { margin-inline: auto; } }
.navix-hero-ctas { display: flex; gap: 1rem; flex-wrap: wrap; }
@media (max-width: 900px) { .navix-hero-ctas { justify-content: center; } }

.navix-hero-visual {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 1.25rem;
    padding: 2rem;
    backdrop-filter: blur(4px);
}
.navix-hero-visual .row { display: flex; align-items: center; gap: 0.85rem; padding: 0.85rem 0; border-bottom: 1px solid rgba(255,255,255,0.1); color: rgba(255,255,255,0.9); font-size: 0.9rem; }
.navix-hero-visual .row:last-child { border-bottom: none; }
.navix-hero-visual .dot { width: 0.6rem; height: 0.6rem; border-radius: 999px; background: #37D67A; flex-shrink: 0; }

/* Icon */
.navix-icon {
    width: 3rem; height: 3rem;
    border-radius: 0.85rem;
    display: flex; align-items: center; justify-content: center;
    background: var(--navix-gradient);
    color: var(--navix-white);
    margin-bottom: 1.1rem;
}
.navix-icon svg { width: 1.5rem; height: 1.5rem; }

/* Grids / cards */
.navix-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.navix-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.75rem; }
@media (max-width: 900px) { .navix-grid-3, .navix-grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .navix-grid-3, .navix-grid-4 { grid-template-columns: 1fr; } }

.navix-card {
    background: var(--navix-white);
    border: 1px solid #EBEEF5;
    border-radius: 1rem;
    padding: 1.75rem;
}
.navix-card h3 { font-size: 1.05rem; font-weight: 700; }
.navix-card p { margin: 0; font-size: 0.92rem; }

/* Véhicules */
.navix-vehicles { display: flex; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; }
.navix-vehicle { text-align: center; flex: 1; min-width: 110px; }
.navix-vehicle .navix-icon { margin: 0 auto 0.75rem; background: var(--navix-navy); }
.navix-vehicle span { font-weight: 600; color: var(--navix-navy); font-size: 0.9rem; }

/* Étapes */
.navix-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; counter-reset: step; }
@media (max-width: 900px) { .navix-steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .navix-steps { grid-template-columns: 1fr; } }
.navix-step { position: relative; text-align: center; }
.navix-step .num {
    counter-increment: step;
    width: 2.75rem; height: 2.75rem;
    border-radius: 999px;
    background: var(--navix-gradient);
    color: var(--navix-white);
    display: flex; align-items: center; justify-content: center;
    font-family: 'Poppins', sans-serif; font-weight: 700;
    margin: 0 auto 1rem;
}
.navix-step .num::before { content: counter(step); }

/* Offres */
.navix-plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; align-items: stretch; }
@media (max-width: 900px) { .navix-plans { grid-template-columns: 1fr; max-width: 380px; margin-inline: auto; } }
.navix-plan {
    border: 1px solid #EBEEF5;
    border-radius: 1.25rem;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    background: var(--navix-white);
}
.navix-plan.featured {
    border: 2px solid var(--navix-blue-start);
    box-shadow: 0 20px 40px rgba(30,79,216,0.12);
    transform: translateY(-8px);
}
.navix-plan .plan-badge {
    align-self: flex-start;
    background: var(--navix-gradient);
    color: var(--navix-white);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 0.25rem 0.7rem;
    border-radius: 999px;
    margin-bottom: 1rem;
}
.navix-plan .price { font-family: 'Poppins', sans-serif; font-weight: 800; color: var(--navix-navy); font-size: 2.25rem; margin: 0.5rem 0; }
.navix-plan .price span { font-size: 1rem; font-weight: 500; color: var(--navix-slate); }
.navix-plan .price.price-soon { font-size: 1.15rem; font-weight: 600; color: var(--navix-slate); }
.navix-plan ul { list-style: none; padding: 0; margin: 1.5rem 0; flex: 1; }
.navix-plan li { padding: 0.4rem 0; font-size: 0.9rem; display: flex; gap: 0.5rem; }
.navix-plan li::before { content: '✓'; color: var(--navix-blue-start); font-weight: 700; }
.navix-private-note { text-align: center; margin-top: 2.5rem; font-size: 0.9rem; color: var(--navix-slate); }

/* Pourquoi NAVIX */
.navix-why-item { display: flex; gap: 1rem; align-items: flex-start; }
.navix-why-item .navix-icon { margin-bottom: 0; flex-shrink: 0; }

/* FAQ */
.navix-faq { max-width: 760px; margin: 0 auto; }
.navix-faq details {
    border-bottom: 1px solid #EBEEF5;
    padding: 1.1rem 0;
}
.navix-faq summary {
    cursor: pointer;
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    color: var(--navix-navy);
    font-size: 1rem;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.navix-faq summary::-webkit-details-marker { display: none; }
.navix-faq summary::after { content: '+'; font-size: 1.3rem; color: var(--navix-blue-start); }
.navix-faq details[open] summary::after { content: '−'; }
.navix-faq p { margin: 0.75rem 0 0; font-size: 0.92rem; }

/* CTA final */
.navix-final-cta {
    background: var(--navix-gradient);
    color: var(--navix-white);
    text-align: center;
    padding: 4.5rem 0;
}
.navix-final-cta h2 { color: var(--navix-white); font-size: 2rem; }
.navix-final-cta .navix-hero-tagline { color: rgba(255,255,255,0.85); }

/* Footer */
.navix-footer { background: var(--navix-navy); color: rgba(255,255,255,0.75); padding: 3.5rem 0 2rem; font-size: 0.88rem; scroll-margin-top: 4.5rem; }
.navix-footer .brand { font-family: 'Poppins', sans-serif; font-weight: 900; color: var(--navix-white); font-size: 1.3rem; }
.navix-footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2rem; margin-bottom: 2.5rem; }
@media (max-width: 700px) { .navix-footer-grid { grid-template-columns: 1fr; } }
.navix-footer h4 { color: var(--navix-white); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 1rem; }
.navix-footer ul { list-style: none; padding: 0; margin: 0; }
.navix-footer li { margin-bottom: 0.6rem; }
.navix-footer a { color: rgba(255,255,255,0.75); text-decoration: none; }
.navix-footer a:hover { color: var(--navix-white); }
.navix-footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); padding-top: 1.5rem; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; }

/* Checkout */
.navix-checkout-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 2.5rem; align-items: start; }
@media (max-width: 800px) { .navix-checkout-grid { grid-template-columns: 1fr; } }

.navix-summary-row { display: flex; justify-content: space-between; padding: 0.5rem 0; font-size: 0.9rem; border-bottom: 1px solid #EBEEF5; }
.navix-summary-row:last-child { border-bottom: none; }
.navix-summary-total { display: flex; justify-content: space-between; margin-top: 1rem; padding-top: 1rem; border-top: 2px solid var(--navix-navy); font-family: 'Poppins', sans-serif; font-weight: 800; color: var(--navix-navy); font-size: 1.2rem; }

.navix-field { margin-bottom: 1.1rem; }
.navix-field label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--navix-navy); margin-bottom: 0.35rem; }
.navix-field input {
    width: 100%;
    padding: 0.65rem 0.85rem;
    border: 1px solid #D7DDE9;
    border-radius: 0.5rem;
    font-size: 0.95rem;
    font-family: inherit;
    color: var(--navix-slate);
}
.navix-field input:focus { outline: none; border-color: var(--navix-blue-start); box-shadow: 0 0 0 3px rgba(30, 79, 216, 0.15); }
.navix-field-error { color: #C0362C; font-size: 0.8rem; margin-top: 0.35rem; }
.navix-error-box { background: #FDECEC; color: #C0362C; border-radius: 0.5rem; padding: 0.85rem 1rem; font-size: 0.85rem; margin-bottom: 1.5rem; }