/* ===========================================
   Voona.fr - Feuille de style principale
   Mobile-first, performant, accessible
   =========================================== */

:root {
  --color-primary: #1F3A68;
  --color-primary-dark: #142745;
  --color-primary-light: #2D5494;
  --color-accent: #C8102E;
  --color-accent-dark: #A00C24;
  --color-success: #1B7A4C;
  --color-bg: #FFFFFF;
  --color-bg-soft: #F4F7FB;
  --color-bg-mute: #EAF1F8;
  --color-text: #1A1A1A;
  --color-text-soft: #5A6470;
  --color-border: #E1E8F0;
  --color-shadow: rgba(31, 58, 104, 0.08);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --shadow-sm: 0 1px 3px var(--color-shadow);
  --shadow-md: 0 4px 12px var(--color-shadow);
  --shadow-lg: 0 12px 40px var(--color-shadow);

  --container: 1200px;
  --container-narrow: 880px;

  --transition: 200ms ease;
}

/* Reset & base */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

img, svg, video { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-accent); }

h1, h2, h3, h4 { color: var(--color-primary-dark); line-height: 1.25; margin: 0 0 0.6em; font-weight: 700; }
h1 { font-size: 2rem; letter-spacing: -0.02em; }
h2 { font-size: 1.6rem; letter-spacing: -0.015em; }
h3 { font-size: 1.2rem; }

p { margin: 0 0 1em; }

ul { padding-left: 1.5em; margin: 0 0 1em; }
li { margin-bottom: 0.4em; }

/* Layout */
.container { max-width: var(--container); margin: 0 auto; padding: 0 20px; }
.container-narrow { max-width: var(--container-narrow); margin: 0 auto; padding: 0 20px; }

/* Skip link (accessibilité) */
.skip-link {
  position: absolute; left: -9999px; top: 0; padding: 8px 16px;
  background: var(--color-primary); color: #fff; z-index: 9999;
}
.skip-link:focus { left: 0; color: #fff; }

/* Header */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(10px);
  background-color: rgba(255, 255, 255, 0.95);
}
.site-header .inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 20px; max-width: var(--container); margin: 0 auto;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 800; font-size: 1.4rem;
  color: var(--color-primary-dark);
  letter-spacing: -0.02em;
}
.brand-logo {
  width: 36px; height: 36px; border-radius: 8px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 800; font-size: 1.1rem;
}
.brand:hover { color: var(--color-primary); }

.nav-toggle {
  display: block; background: none; border: 0; cursor: pointer;
  padding: 8px; color: var(--color-primary-dark);
}
.nav-toggle svg { width: 24px; height: 24px; }

.main-nav {
  display: none;
  position: fixed; top: 64px; left: 0; right: 0;
  background: #fff; border-bottom: 1px solid var(--color-border);
  padding: 16px 20px; box-shadow: var(--shadow-md);
  flex-direction: column; gap: 4px;
}
.main-nav.is-open { display: flex; }
.main-nav a {
  padding: 12px 16px; border-radius: var(--radius-sm);
  color: var(--color-text); font-weight: 500;
}
.main-nav a:hover { background: var(--color-bg-soft); color: var(--color-primary); }
.main-nav .btn { margin-top: 8px; }

@media (min-width: 880px) {
  .nav-toggle { display: none; }
  .main-nav {
    display: flex; flex-direction: row; align-items: center; gap: 4px;
    position: static; padding: 0; box-shadow: none; border: 0;
  }
  .main-nav .btn { margin-top: 0; margin-left: 12px; }
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: var(--radius-sm);
  font-weight: 600; font-size: 0.95rem; line-height: 1;
  border: 0; cursor: pointer; text-decoration: none;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-accent); color: #fff;
}
.btn-primary:hover { background: var(--color-accent-dark); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-secondary {
  background: var(--color-primary); color: #fff;
}
.btn-secondary:hover { background: var(--color-primary-dark); color: #fff; transform: translateY(-1px); }
.btn-ghost {
  background: transparent; color: var(--color-primary); border: 1px solid var(--color-border);
}
.btn-ghost:hover { background: var(--color-bg-soft); color: var(--color-primary); }
.btn-large { padding: 16px 30px; font-size: 1.05rem; }

/* Hero */
.hero {
  padding: 60px 0 80px;
  background:
    radial-gradient(circle at 20% 0%, rgba(31, 58, 104, 0.06), transparent 50%),
    radial-gradient(circle at 80% 100%, rgba(200, 16, 46, 0.05), transparent 50%),
    var(--color-bg);
}
.hero-content { max-width: 720px; margin: 0 auto; text-align: center; }
.hero-tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 14px; border-radius: 999px;
  background: var(--color-bg-mute); color: var(--color-primary);
  font-size: 0.85rem; font-weight: 600; margin-bottom: 20px;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  letter-spacing: -0.03em; margin-bottom: 16px;
}
.hero p.lead {
  font-size: 1.15rem; color: var(--color-text-soft);
  margin-bottom: 32px;
}
.hero-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.hero-trust {
  margin-top: 36px; display: flex; flex-wrap: wrap; gap: 24px;
  justify-content: center; color: var(--color-text-soft); font-size: 0.9rem;
}
.hero-trust span { display: inline-flex; align-items: center; gap: 6px; }
.hero-trust svg { width: 16px; height: 16px; color: var(--color-success); }

/* Upload zone */
.upload-zone {
  margin-top: 40px; padding: 40px 24px;
  border: 2px dashed var(--color-primary-light);
  border-radius: var(--radius-lg);
  background: #fff; box-shadow: var(--shadow-md);
  text-align: center; transition: all var(--transition);
}
.upload-zone:hover { border-color: var(--color-accent); background: var(--color-bg-soft); }
.upload-zone svg.upload-icon { width: 48px; height: 48px; color: var(--color-primary); margin: 0 auto 16px; }
.upload-zone strong { font-size: 1.15rem; color: var(--color-primary-dark); display: block; margin-bottom: 6px; }
.upload-zone span { color: var(--color-text-soft); font-size: 0.95rem; }

/* Sections */
section { padding: 64px 0; }
section.alt { background: var(--color-bg-soft); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.section-head h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
.section-head p { color: var(--color-text-soft); font-size: 1.05rem; }

/* Cards grid */
.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: 1fr; }
.grid-4 { grid-template-columns: 1fr; }
.grid-2 { grid-template-columns: 1fr; }

@media (min-width: 700px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1100px) {
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

.card {
  padding: 28px; border-radius: var(--radius-md);
  background: #fff; border: 1px solid var(--color-border);
  transition: all var(--transition);
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); border-color: var(--color-primary-light); }
.card-icon {
  width: 44px; height: 44px; border-radius: var(--radius-sm);
  background: var(--color-bg-mute); color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.card-icon svg { width: 22px; height: 22px; }
.card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.card p { color: var(--color-text-soft); font-size: 0.95rem; margin: 0; }

/* Comparison block */
.compare {
  display: grid; gap: 0; border-radius: var(--radius-md);
  overflow: hidden; border: 1px solid var(--color-border);
  background: #fff;
}
.compare-row {
  display: grid; grid-template-columns: 1fr;
  border-top: 1px solid var(--color-border);
}
.compare-row:first-child { border-top: 0; }
.compare-cell { padding: 18px 20px; }
.compare-cell.label { font-weight: 600; background: var(--color-bg-soft); color: var(--color-primary-dark); }
.compare-cell.bad { color: var(--color-text-soft); }
.compare-cell.good { color: var(--color-primary-dark); font-weight: 500; }
.compare-cell .badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; border-radius: 999px; font-size: 0.85rem;
}
.compare-cell.bad .badge { background: #FFE8E8; color: #B5391F; }
.compare-cell.good .badge { background: #E0F4E8; color: var(--color-success); }

@media (min-width: 800px) {
  .compare-row { grid-template-columns: 1.2fr 1fr 1fr; }
}

/* Steps */
.steps { display: grid; gap: 24px; counter-reset: step; }
@media (min-width: 800px) { .steps { grid-template-columns: repeat(3, 1fr); } }
.step { position: relative; padding: 28px; padding-left: 80px;
  background: #fff; border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute; left: 24px; top: 24px;
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--color-primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 1.1rem;
}
.step h3 { margin-bottom: 6px; }
.step p { color: var(--color-text-soft); font-size: 0.95rem; margin: 0; }

/* Pricing */
.pricing-grid { display: grid; gap: 24px; }
@media (min-width: 800px) { .pricing-grid { grid-template-columns: repeat(3, 1fr); } }
.price-card {
  padding: 32px; border-radius: var(--radius-md);
  background: #fff; border: 1px solid var(--color-border);
  position: relative; transition: all var(--transition);
}
.price-card.featured {
  border: 2px solid var(--color-accent);
  box-shadow: var(--shadow-lg);
  transform: scale(1.02);
}
.price-card .badge-pop {
  position: absolute; top: -14px; right: 24px;
  background: var(--color-accent); color: #fff;
  padding: 6px 14px; border-radius: 999px; font-size: 0.8rem; font-weight: 600;
}
.price-card h3 { margin-bottom: 4px; }
.price-card .desc { color: var(--color-text-soft); font-size: 0.9rem; margin-bottom: 16px; }
.price-card .price {
  font-size: 2.4rem; font-weight: 800; color: var(--color-primary-dark);
  letter-spacing: -0.03em; margin-bottom: 4px;
}
.price-card .price small { font-size: 0.85rem; color: var(--color-text-soft); font-weight: 500; }
.price-card ul { list-style: none; padding: 0; margin: 24px 0; }
.price-card li {
  padding-left: 28px; position: relative; margin-bottom: 10px;
  color: var(--color-text); font-size: 0.95rem;
}
.price-card li::before {
  content: ""; position: absolute; left: 0; top: 6px;
  width: 16px; height: 16px;
  background: var(--color-success);
  -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><path fill='black' d='M6.5 11.5l-3-3 1-1 2 2 4-4 1 1z'/></svg>") no-repeat center / contain;
  mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><path fill='black' d='M6.5 11.5l-3-3 1-1 2 2 4-4 1 1z'/></svg>") no-repeat center / contain;
}
.price-card .btn { width: 100%; }

/* Format chips */
.formats {
  display: flex; flex-wrap: wrap; gap: 10px;
  justify-content: center; margin-top: 28px;
}
.formats .chip {
  padding: 8px 14px; border-radius: var(--radius-sm);
  background: #fff; border: 1px solid var(--color-border);
  font-size: 0.85rem; font-weight: 600; color: var(--color-primary-dark);
  transition: all var(--transition);
}
.formats .chip:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

/* Conversions list (links for SEO) */
.conv-grid { display: grid; gap: 12px; }
@media (min-width: 700px) { .conv-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .conv-grid { grid-template-columns: repeat(4, 1fr); } }
.conv-link {
  display: block; padding: 14px 16px; border-radius: var(--radius-sm);
  background: #fff; border: 1px solid var(--color-border);
  font-weight: 600; color: var(--color-primary-dark);
  font-size: 0.95rem;
}
.conv-link:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.conv-link span { color: var(--color-text-soft); font-weight: 400; font-size: 0.85rem; display: block; margin-top: 2px; }
.conv-link:hover span { color: rgba(255, 255, 255, 0.85); }

/* FAQ */
.faq { max-width: 760px; margin: 0 auto; }
.faq details {
  background: #fff; border: 1px solid var(--color-border);
  border-radius: var(--radius-sm); margin-bottom: 12px;
  transition: all var(--transition);
}
.faq details[open] { border-color: var(--color-primary-light); box-shadow: var(--shadow-sm); }
.faq summary {
  cursor: pointer; padding: 18px 22px;
  font-weight: 600; color: var(--color-primary-dark);
  list-style: none; position: relative; padding-right: 50px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 22px; top: 50%;
  transform: translateY(-50%); color: var(--color-primary);
  font-size: 1.4rem; line-height: 1; font-weight: 400;
  transition: transform var(--transition);
}
.faq details[open] summary::after { content: "−"; }
.faq .answer { padding: 0 22px 18px; color: var(--color-text-soft); }
.faq .answer p:last-child { margin: 0; }

/* Trust badges row */
.trust-row {
  display: flex; flex-wrap: wrap; gap: 16px; justify-content: center;
  padding: 24px; border-radius: var(--radius-md);
  background: var(--color-bg-soft); margin-top: 32px;
}
.trust-row .item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 14px; background: #fff; border-radius: var(--radius-sm);
  border: 1px solid var(--color-border); font-size: 0.9rem; font-weight: 500;
}
.trust-row .item svg { width: 18px; height: 18px; color: var(--color-success); }

/* CTA banner */
.cta-banner {
  padding: 56px 32px; border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: #fff; text-align: center;
}
.cta-banner h2 { color: #fff; }
.cta-banner p { color: rgba(255, 255, 255, 0.85); margin-bottom: 28px; }
.cta-banner .btn-primary { background: #fff; color: var(--color-primary-dark); }
.cta-banner .btn-primary:hover { background: var(--color-bg-soft); }

/* Breadcrumb */
.breadcrumb {
  padding: 16px 0; font-size: 0.9rem; color: var(--color-text-soft);
}
.breadcrumb ol { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.breadcrumb li::after { content: "›"; margin-left: 8px; color: var(--color-border); }
.breadcrumb li:last-child::after { display: none; }
.breadcrumb a { color: var(--color-text-soft); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb [aria-current="page"] { color: var(--color-primary-dark); font-weight: 500; }

/* Article (blog/legal pages) */
.prose { max-width: 760px; margin: 0 auto; }
.prose h2 { margin-top: 1.6em; }
.prose h3 { margin-top: 1.4em; }
.prose ul, .prose ol { margin-bottom: 1.2em; }
.prose .lead { font-size: 1.15rem; color: var(--color-text-soft); }

/* Footer */
.site-footer {
  background: var(--color-primary-dark); color: rgba(255, 255, 255, 0.8);
  padding: 56px 0 24px; margin-top: 80px;
}
.site-footer h4 { color: #fff; font-size: 0.95rem; margin-bottom: 16px; text-transform: uppercase; letter-spacing: 0.05em; }
.site-footer a { color: rgba(255, 255, 255, 0.75); display: block; padding: 4px 0; font-size: 0.95rem; }
.site-footer a:hover { color: #fff; }
.site-footer .foot-grid { display: grid; gap: 32px; grid-template-columns: 1fr; }
@media (min-width: 700px) {
  .site-footer .foot-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
}
.site-footer .brand { color: #fff; }
.site-footer .tagline { font-size: 0.9rem; color: rgba(255, 255, 255, 0.7); margin: 12px 0 16px; max-width: 320px; }
.site-footer .copy {
  margin-top: 40px; padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.85rem; color: rgba(255, 255, 255, 0.6);
  display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between;
}

/* Misc */
.tag-french {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.85rem; color: var(--color-accent); font-weight: 600;
}
.tag-french::before { content: "🇫🇷"; font-size: 0.95rem; }

.section-cta { text-align: center; margin-top: 36px; }

/* Accessibility focus */
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}