/* ===========================================================
 * main.css — Onyx & Lin · mes-calculateurs-sport.fr
 * Design system: variables, reset, typo, layout, components
 * =========================================================== */

/* ---------- 1. CSS Variables (light default) ---------- */
:root {
  --bg:           #F5F1EA;
  --bg-alt:       #EFE9DC;
  --card:         #FAF8F3;
  --text:         #1A1A1A;
  --text-2:       #5A5A5A;
  --text-3:       #8A8478;
  --accent:       #B8956A;
  --accent-hover: #A88158;
  --accent-soft:  #E8DCC4;
  --border:       #DDD4C2;
  --success:      #4A7C59;
  --warning:      #C97B3C;
  --danger:       #B53F2C;
  --shadow:       0 4px 28px rgba(184,149,106,0.10);
  --shadow-hover: 0 8px 36px rgba(184,149,106,0.16);
  --radius:       8px;
  --radius-sm:    4px;
  --radius-lg:    12px;
  --font-heading: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body:    'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --transition:   400ms cubic-bezier(0.25, 0.1, 0.25, 1);
  --transition-fast: 200ms cubic-bezier(0.25, 0.1, 0.25, 1);
  --container:    1180px;
  --header-h:     72px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg:           #0E0E0E;
    --bg-alt:       #161412;
    --card:         #1A1815;
    --text:         #ECE6DA;
    --text-2:       #B5AE9F;
    --text-3:       #7A746A;
    --accent:       #D4A769;
    --accent-hover: #E5B97D;
    --accent-soft:  #2A2620;
    --border:       #2C2820;
    --shadow:       0 4px 28px rgba(0,0,0,0.5);
    --shadow-hover: 0 8px 36px rgba(0,0,0,0.7);
  }
}

[data-theme="dark"] {
  --bg:           #0E0E0E;
  --bg-alt:       #161412;
  --card:         #1A1815;
  --text:         #ECE6DA;
  --text-2:       #B5AE9F;
  --text-3:       #7A746A;
  --accent:       #D4A769;
  --accent-hover: #E5B97D;
  --accent-soft:  #2A2620;
  --border:       #2C2820;
  --shadow:       0 4px 28px rgba(0,0,0,0.5);
  --shadow-hover: 0 8px 36px rgba(0,0,0,0.7);
}

[data-theme="light"] {
  --bg:           #F5F1EA;
  --bg-alt:       #EFE9DC;
  --card:         #FAF8F3;
  --text:         #1A1A1A;
  --text-2:       #5A5A5A;
  --text-3:       #8A8478;
  --accent:       #B8956A;
  --accent-hover: #A88158;
  --accent-soft:  #E8DCC4;
  --border:       #DDD4C2;
  --shadow:       0 4px 28px rgba(184,149,106,0.10);
  --shadow-hover: 0 8px 36px rgba(184,149,106,0.16);
}

/* ---------- 2. Reset ---------- */
*,*::before,*::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, picture, svg { max-width: 100%; display: block; }
img { height: auto; }
button { font: inherit; cursor: pointer; }
a { color: var(--accent); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--accent-hover); }
hr { border: 0; border-top: 1px solid var(--border); margin: 2rem 0; }

/* Focus visible */
:focus { outline: none; }
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ---------- 3. Typo ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--text);
  margin: 0 0 0.6em;
  letter-spacing: -0.01em;
  line-height: 1.2;
}
h1 { font-size: clamp(2.2rem, 4.5vw, 3.6rem); font-weight: 600; }
h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); }
h3 { font-size: clamp(1.3rem, 2.2vw, 1.65rem); }
h4 { font-size: 1.2rem; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-heading);
  font-style: italic;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--accent);
  text-transform: none;
  letter-spacing: 0.02em;
  margin-bottom: 1rem;
}
.eyebrow::before {
  content: "—";
  font-style: normal;
  color: var(--accent);
}

p { margin: 0 0 1em; color: var(--text-2); }
.lede {
  font-size: 1.18rem;
  line-height: 1.6;
  color: var(--text-2);
  max-width: 64ch;
}

.numeric, .figure-result {
  font-family: var(--font-heading);
  font-style: italic;
  font-weight: 500;
  font-feature-settings: "tnum" 1, "lnum" 1;
  letter-spacing: -0.02em;
}
.figure-result { font-size: clamp(3rem, 6vw, 4.5rem); line-height: 1; color: var(--text); }

/* ---------- 4. Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.25rem;
}
@media (min-width: 720px) { .container { padding: 0 2rem; } }

.section { padding: 4rem 0; }
@media (min-width: 720px) { .section { padding: 6rem 0; } }

.grid { display: grid; gap: 1.5rem; }
.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
.grid-4 { grid-template-columns: 1fr; }
@media (min-width: 720px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 980px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }

.text-center { text-align: center; }
.text-muted { color: var(--text-2); }
.text-accent { color: var(--accent); }
.italic { font-style: italic; }
.serif { font-family: var(--font-heading); }

/* ---------- 5. Header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: saturate(150%) blur(12px);
  -webkit-backdrop-filter: saturate(150%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  height: var(--header-h);
}
.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 0.3rem;
  color: var(--text);
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.brand__dot { color: var(--accent); font-style: italic; }
.brand:hover { color: var(--text); }

.nav-primary {
  display: none;
  align-items: center;
  gap: 2rem;
}
@media (min-width: 980px) { .nav-primary { display: flex; } }
.nav-primary a {
  color: var(--text-2);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: color var(--transition-fast);
  position: relative;
  padding: 0.25rem 0;
}
.nav-primary a:hover, .nav-primary a[aria-current="page"] {
  color: var(--text);
}
.nav-primary a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 1px;
  background: var(--accent);
}

.nav-actions { display: flex; align-items: center; gap: 0.75rem; }

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
}
@media (min-width: 980px) { .nav-toggle { display: none; } }

.nav-mobile {
  display: none;
  position: absolute;
  top: var(--header-h);
  left: 0; right: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.5rem 2rem;
  flex-direction: column;
  gap: 0.5rem;
  box-shadow: var(--shadow);
}
.nav-mobile.is-open { display: flex; }
.nav-mobile a {
  display: block;
  color: var(--text);
  padding: 0.75rem 0;
  font-size: 1.05rem;
  border-bottom: 1px solid var(--border);
}
.nav-mobile a:last-of-type { border-bottom: 0; }

/* Theme toggle */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  transition: background var(--transition-fast), border-color var(--transition-fast);
}
.theme-toggle:hover { background: var(--accent-soft); border-color: var(--accent); }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .icon-dark { display: none; }
[data-theme="dark"] .theme-toggle .icon-light { display: none; }
[data-theme="dark"] .theme-toggle .icon-dark { display: block; }

/* ---------- 6. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  padding: 0.85rem 1.6rem;
  font-family: var(--font-body);
  font-size: 0.97rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: var(--accent);
  color: #FAF8F3;
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  position: relative;
  text-decoration: none;
}
.btn:hover {
  background: var(--accent-hover);
  color: #FAF8F3;
  transform: translateY(-1px);
  box-shadow: var(--shadow-hover);
}
.btn:active { transform: translateY(0); }

.btn-primary::after {
  content: "";
  position: absolute;
  left: 1.2rem; right: 1.2rem; bottom: 4px;
  height: 1px;
  background: rgba(255,255,255,0.4);
}

.btn-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.btn-ghost:hover { background: var(--accent-soft); border-color: var(--accent); color: var(--text); }

.btn-text {
  background: transparent;
  border: 0;
  color: var(--accent);
  padding: 0.5rem 0.75rem;
}
.btn-text:hover { color: var(--accent-hover); background: var(--accent-soft); transform: none; box-shadow: none; }

.btn-block { width: 100%; }
.btn-lg { padding: 1.05rem 2rem; font-size: 1.05rem; }
.btn-sm { padding: 0.55rem 1rem; font-size: 0.88rem; }

/* ---------- 7. Card ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow);
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover { box-shadow: var(--shadow-hover); }
.card--interactive:hover { transform: translateY(-2px); }
.card__eyebrow {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 0.5rem;
}
.card__title { font-size: 1.25rem; margin-bottom: 0.5rem; }
.card__body { color: var(--text-2); font-size: 0.95rem; }
.card__footer { margin-top: 1.25rem; display: flex; align-items: center; gap: 0.5rem; color: var(--accent); font-weight: 600; font-size: 0.92rem; }

/* ---------- 8. Forms ---------- */
.form-group { margin-bottom: 1.25rem; }
.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.5rem;
  letter-spacing: 0.01em;
}
.form-help { display: block; font-size: 0.82rem; color: var(--text-3); margin-top: 0.35rem; }
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font: inherit;
  font-size: 0.97rem;
  color: var(--text);
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--card);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.form-textarea { min-height: 140px; resize: vertical; }
.form-error {
  color: var(--danger);
  font-size: 0.85rem;
  margin-top: 0.35rem;
}
.form-row { display: grid; gap: 1rem; grid-template-columns: 1fr; }
@media (min-width: 600px) { .form-row { grid-template-columns: repeat(2, 1fr); } }

/* ---------- 9. Hero ---------- */
.hero {
  padding: 5rem 0 3rem;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-alt) 100%);
}
@media (min-width: 720px) { .hero { padding: 7rem 0 5rem; } }
.hero__title { max-width: 18ch; margin-bottom: 1.5rem; }
.hero__title em { font-style: italic; color: var(--accent); }
.hero__lede { max-width: 56ch; }
.hero__cta { margin-top: 2rem; display: flex; gap: 1rem; flex-wrap: wrap; }

/* ---------- 10. Breadcrumb ---------- */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--text-3);
  margin: 1.5rem 0;
  list-style: none;
  padding: 0;
}
.breadcrumb li { display: inline-flex; align-items: center; gap: 0.4rem; }
.breadcrumb li:not(:last-child)::after { content: "›"; color: var(--text-3); }
.breadcrumb a { color: var(--text-3); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb [aria-current="page"] { color: var(--text); font-weight: 500; }

/* ---------- 11. Footer ---------- */
.site-footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  padding: 4rem 0 2rem;
  margin-top: 6rem;
  color: var(--text-2);
  font-size: 0.93rem;
}
.site-footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
}
@media (min-width: 720px) { .site-footer__grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; } }
.site-footer h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  color: var(--text);
  margin-bottom: 1rem;
}
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin: 0.4rem 0; }
.site-footer a { color: var(--text-2); }
.site-footer a:hover { color: var(--accent); }
.site-footer__legal {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-3);
}
.site-footer__disclosure {
  font-style: italic;
  font-family: var(--font-heading);
  font-size: 0.92rem;
  color: var(--text-3);
  margin-top: 1.5rem;
  padding: 1rem;
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

/* ---------- 12. Consent banner (light, optional) ---------- */
.consent {
  position: fixed;
  bottom: 1rem;
  left: 1rem;
  right: 1rem;
  z-index: 99;
  max-width: 540px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-hover);
  font-size: 0.92rem;
  color: var(--text-2);
}
.consent[hidden] { display: none; }
.consent__actions { display: flex; gap: 0.75rem; margin-top: 0.75rem; }

/* ---------- 13. Utilities ---------- */
.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;
}

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-6 { margin-top: 3rem; }
.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 2rem; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }

.divider {
  width: 60px;
  height: 1px;
  background: var(--accent);
  margin: 1.5rem 0;
}
.divider-center { margin-left: auto; margin-right: auto; }

/* ---------- 14. Hero category cards ---------- */
.category-grid { display: grid; gap: 1.5rem; grid-template-columns: 1fr; }
@media (min-width: 720px) { .category-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 980px) { .category-grid { grid-template-columns: repeat(3, 1fr); } }

.category-card {
  display: block;
  padding: 2rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.category-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}
.category-card__roman {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: 0.9rem;
  color: var(--accent);
  margin-bottom: 0.4rem;
}
.category-card h3 { margin-bottom: 0.5rem; }
.category-card p { color: var(--text-2); font-size: 0.93rem; }
.category-card__count {
  position: absolute;
  top: 1.5rem; right: 1.5rem;
  font-family: var(--font-heading);
  font-style: italic;
  font-size: 2rem;
  color: var(--accent-soft);
}

/* ---------- 15. FAQ accordion ---------- */
.faq-list { display: flex; flex-direction: column; gap: 0.5rem; max-width: 780px; margin: 0 auto; }
.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}
.faq-item[open] { border-color: var(--accent-soft); }
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  font-weight: 600;
  font-size: 1.02rem;
  color: var(--text);
  cursor: pointer;
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: var(--accent);
  font-weight: 400;
  transition: transform var(--transition-fast);
}
.faq-item[open] summary::after { content: "−"; }
.faq-item__body {
  padding: 0 1.5rem 1.5rem;
  color: var(--text-2);
}

/* ---------- 16. Pagination ---------- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin: 3rem 0;
}
.pagination a, .pagination span {
  min-width: 40px;
  padding: 0.5rem 0.75rem;
  text-align: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-2);
  font-size: 0.92rem;
}
.pagination a:hover { background: var(--accent-soft); border-color: var(--accent); color: var(--text); }
.pagination [aria-current="page"] { background: var(--accent); color: #FAF8F3; border-color: var(--accent); }

/* ---------- 17. Tags / chips ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.75rem;
  background: var(--accent-soft);
  color: var(--accent-hover);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}
[data-theme="dark"] .tag { color: var(--accent); }

/* ---------- 18. Alerts ---------- */
.alert {
  padding: 1rem 1.25rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin: 1rem 0;
  font-size: 0.95rem;
}
.alert-success { background: rgba(74,124,89,0.10); border-color: rgba(74,124,89,0.35); color: var(--success); }
.alert-warning { background: rgba(201,123,60,0.10); border-color: rgba(201,123,60,0.35); color: var(--warning); }
.alert-danger  { background: rgba(181,63,44,0.10);  border-color: rgba(181,63,44,0.35);  color: var(--danger); }

/* ---------- 19. Print ---------- */
@media print {
  .site-header, .site-footer, .nav-toggle, .nav-mobile, .consent, .amazon-slot { display: none !important; }
  body { background: white; color: black; font-size: 12pt; }
  a { color: black; text-decoration: underline; }
}