/* SimuPaie — Style principal */
:root {
  --bg: #0f172a;
  --bg2: #1e293b;
  --bg3: #334155;
  --accent: #38bdf8;
  --accent2: #10b981;
  --text: #f1f5f9;
  --text2: #94a3b8;
  --border: #334155;
  --danger: #f87171;
  --warning: #fbbf24;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent2); }

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

/* ── HEADER ── */
header {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: 0 1.5rem;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(0,0,0,0.3);
}

nav {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo span { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.nav-links a {
  color: var(--text2);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

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

/* ── HERO ── */
.hero {
  background: linear-gradient(135deg, var(--bg) 0%, #0c1a35 50%, #0a2a1e 100%);
  padding: 5rem 1.5rem 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at center, rgba(56,189,248,0.05) 0%, transparent 60%);
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(56,189,248,0.1);
  border: 1px solid rgba(56,189,248,0.3);
  color: var(--accent);
  padding: 0.35rem 1rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  background: linear-gradient(135deg, #fff 30%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.2rem;
  color: var(--text2);
  max-width: 600px;
  margin: 0 auto 2.5rem;
}

.hero-stats {
  display: flex;
  gap: 2rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.hero-stat {
  text-align: center;
}

.hero-stat strong {
  display: block;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent2);
}

.hero-stat span {
  font-size: 0.8rem;
  color: var(--text2);
}

/* ── CONTAINER ── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ── CALCULATOR ── */
.calculator-section {
  padding: 3rem 1.5rem;
  background: var(--bg);
}

.calc-wrapper {
  max-width: 900px;
  margin: 0 auto;
}

.calc-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.calc-header {
  background: linear-gradient(135deg, var(--bg3), #1a2744);
  padding: 1.5rem 2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  border-bottom: 1px solid var(--border);
}

.calc-header h2 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
}

.calc-icon {
  width: 40px;
  height: 40px;
  background: rgba(56,189,248,0.15);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.calc-body {
  padding: 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

@media (max-width: 640px) {
  .calc-body { grid-template-columns: 1fr; }
}

.calc-inputs { display: flex; flex-direction: column; gap: 1.25rem; }

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.form-control {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  color: var(--text);
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
  width: 100%;
}

.form-control:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(56,189,248,0.1);
}

.form-control::placeholder { color: var(--text2); }

select.form-control { cursor: pointer; }

.btn-calc {
  background: linear-gradient(135deg, var(--accent), #0ea5e9);
  color: #0f172a;
  border: none;
  border-radius: 8px;
  padding: 0.875rem 1.5rem;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
  width: 100%;
  margin-top: 0.5rem;
}

.btn-calc:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(56,189,248,0.35);
}

.btn-calc:active { transform: translateY(0); }

/* ── RESULTS ── */
.calc-results {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.result-main {
  background: linear-gradient(135deg, rgba(16,185,129,0.1), rgba(56,189,248,0.05));
  border: 1px solid rgba(16,185,129,0.3);
  border-radius: 10px;
  padding: 1.5rem;
  text-align: center;
}

.result-main .label {
  font-size: 0.8rem;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}

.result-main .amount {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--accent2);
  line-height: 1.1;
  margin: 0.25rem 0;
}

.result-main .sub {
  font-size: 0.85rem;
  color: var(--text2);
}

.cotisations-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.cotis-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem 0.75rem;
  border-radius: 6px;
  font-size: 0.875rem;
  background: var(--bg3);
}

.cotis-row .cotis-label { color: var(--text2); }
.cotis-row .cotis-pct { color: var(--warning); font-size: 0.75rem; margin-left: 0.25rem; }
.cotis-row .cotis-amount { font-weight: 700; color: var(--danger); }

.cotis-row.total-row {
  background: rgba(56,189,248,0.08);
  border: 1px solid rgba(56,189,248,0.2);
}

.cotis-row.total-row .cotis-label { color: var(--text); font-weight: 700; }
.cotis-row.total-row .cotis-amount { color: var(--accent); }

/* ── SECTIONS ── */
section { padding: 4rem 1.5rem; }

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.section-header p { color: var(--text2); font-size: 1.1rem; max-width: 600px; margin: 0 auto; }

/* ── CARDS GRID ── */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
  max-width: 1200px;
  margin: 0 auto;
}

.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color 0.2s, transform 0.2s;
  text-decoration: none;
  color: var(--text);
  display: block;
}

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

.card-icon {
  width: 44px;
  height: 44px;
  background: rgba(56,189,248,0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1rem;
}

.card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 0.5rem; }
.card p { font-size: 0.85rem; color: var(--text2); line-height: 1.5; }

.card-net {
  margin-top: 0.75rem;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--accent2);
}

/* ── TABLE ── */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

thead th {
  background: var(--bg3);
  padding: 0.875rem 1rem;
  text-align: left;
  font-weight: 700;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.8rem;
  border-bottom: 1px solid var(--border);
}

tbody tr { border-bottom: 1px solid var(--border); }
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: rgba(56,189,248,0.03); }

tbody td {
  padding: 0.875rem 1rem;
  color: var(--text);
}

td.green { color: var(--accent2); font-weight: 700; }
td.blue { color: var(--accent); }
td.red { color: var(--danger); }

/* ── FAQ ── */
.faq-list { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 1rem; }

.faq-item {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.faq-q {
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  font-size: 0.95rem;
  user-select: none;
}

.faq-q:hover { background: rgba(255,255,255,0.02); }

.faq-q::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--accent);
  transition: transform 0.25s;
  flex-shrink: 0;
  margin-left: 1rem;
}

.faq-item.open .faq-q::after { transform: rotate(45deg); }

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-a-inner {
  padding: 0 1.5rem 1.25rem;
  color: var(--text2);
  font-size: 0.9rem;
  line-height: 1.7;
  border-top: 1px solid var(--border);
  padding-top: 1rem;
}

/* ── BREADCRUMB ── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--text2);
  padding: 1rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.breadcrumb a { color: var(--text2); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { color: var(--text2); }

/* ── PAGE HERO ── */
.page-hero {
  background: linear-gradient(135deg, var(--bg2), #0c1a35);
  border-bottom: 1px solid var(--border);
  padding: 3rem 1.5rem 2.5rem;
}

.page-hero h1 {
  font-size: clamp(1.6rem, 4vw, 2.5rem);
  font-weight: 900;
  margin-bottom: 0.75rem;
  color: var(--text);
}

.page-hero p {
  color: var(--text2);
  font-size: 1rem;
  max-width: 650px;
}

/* ── HIGHLIGHT BOX ── */
.highlight-box {
  background: rgba(16,185,129,0.07);
  border: 1px solid rgba(16,185,129,0.25);
  border-radius: var(--radius);
  padding: 1.5rem 2rem;
  margin-bottom: 2rem;
}

.highlight-box .hl-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent2);
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.highlight-box .hl-net {
  font-size: 3rem;
  font-weight: 900;
  color: var(--accent2);
  line-height: 1;
}

.highlight-box .hl-sub {
  color: var(--text2);
  font-size: 0.9rem;
  margin-top: 0.5rem;
}

/* ── CHARGES TABLE ── */
.charges-section {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 2rem;
}

.charges-section h3 {
  padding: 1.25rem 1.5rem;
  font-size: 1rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg3);
}

/* ── GRILLE SALAIRE ── */
.grille-table {
  background: var(--bg2);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  margin-bottom: 2rem;
}

.grille-table h3 {
  padding: 1.25rem 1.5rem;
  font-size: 1rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg3);
}

/* ── ADSENSE ── */
.ad-slot {
  text-align: center;
  margin: 2rem auto;
  max-width: 970px;
}

.ad-label {
  font-size: 0.7rem;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.35rem;
}

/* ── FOOTER ── */
footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 3rem 1.5rem 1.5rem;
  margin-top: 4rem;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}

.footer-brand p { font-size: 0.85rem; color: var(--text2); margin-top: 0.75rem; line-height: 1.6; }

.footer-col h4 { font-size: 0.85rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text2); margin-bottom: 1rem; }

.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 0.6rem; }

.footer-col ul a { font-size: 0.85rem; color: var(--text2); }
.footer-col ul a:hover { color: var(--accent); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text2);
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ── RESPONSIVE NAV ── */
@media (max-width: 640px) {
  .nav-links { display: none; }
}

/* ── UTILS ── */
.text-center { text-align: center; }
.text-accent { color: var(--accent); }
.text-green { color: var(--accent2); }
.text-muted { color: var(--text2); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.font-bold { font-weight: 700; }

.chip {
  display: inline-flex;
  align-items: center;
  background: rgba(56,189,248,0.1);
  border: 1px solid rgba(56,189,248,0.2);
  color: var(--accent);
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.chip.green {
  background: rgba(16,185,129,0.1);
  border-color: rgba(16,185,129,0.2);
  color: var(--accent2);
}

/* ── PROGRESS BAR ── */
.progress-wrap { margin-top: 0.75rem; }

.progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text2);
  margin-bottom: 0.3rem;
}

.progress-bar {
  height: 6px;
  background: var(--bg3);
  border-radius: 3px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  border-radius: 3px;
  transition: width 0.6s ease;
}