/* ====== Panthère Informatique — Styles ====== */
:root {
  --bg: #0b0b0c;
  --fg: #e5e7eb;
  --muted: #9ca3af;
  --primary: #facc15;
  --card: #111216;
  --card-2: #0f1013;
  --border: #1f2330;
  --radius: 18px;
  --radius-lg: 28px;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
  --shadow-soft: 0 6px 24px rgba(0,0,0,.25);
  --maxw: 1200px;
}
* { box-sizing: border-box }
html, body { margin:0; padding:0; background:var(--bg); color:var(--fg); font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif; }
a { color: var(--primary); text-decoration: none }
a:hover { text-decoration: underline }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 20px }
.btn {
  display:inline-flex; align-items:center; gap:10px; padding:14px 18px; border-radius: 14px;
  background: linear-gradient(180deg, var(--primary), #d4af0d);
  color:#0a0a0a; font-weight:700; letter-spacing:.25px; border: none; cursor: pointer; box-shadow: var(--shadow-soft);
}
.btn.secondary { background: transparent; color: var(--fg); border:1px solid var(--border) }
.btn:focus { outline: 2px solid var(--primary); outline-offset: 2px }
nav { position: sticky; top:0; backdrop-filter: blur(10px); background: rgba(11,11,12,.7); border-bottom: 1px solid var(--border); z-index:50 }
.nav-inner { display:flex; align-items:center; justify-content:space-between; height:70px }
.logo { display:flex; align-items:center; gap:12px }
.logo svg { width:34px; height:34px }
.logo-title { font-weight:800; letter-spacing:.3px }
.nav-links { display:flex; gap:18px; align-items:center }
.nav-links a { padding:10px 12px; border-radius: 10px; }
.nav-links a:hover { background:#14161b }
/* Hero */
.hero { position:relative; overflow:hidden; }
.hero-inner { display:grid; grid-template-columns: 1.1fr .9fr; gap:28px; align-items:center; padding: 72px 0 }
.hero h1 { font-size: clamp(34px, 5vw, 56px); line-height:1.05; margin:0 0 14px; letter-spacing: -.5px }
.hero p.lead { color: var(--muted); font-size: clamp(16px,2.2vw,19px) }
.hero-card {
  background: linear-gradient(180deg, rgba(250,204,21,.08), rgba(17,18,22,.9));
  border:1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: 24px;
}
.badge { display:inline-flex; align-items:center; gap:8px; background:#14161b; border:1px solid var(--border); padding:8px 12px; border-radius:999px; font-weight:600 }
.grid-3 { display:grid; grid-template-columns: repeat(3, 1fr); gap:18px }
.card {
  background: var(--card); border:1px solid var(--border); border-radius: var(--radius);
  padding: 22px; box-shadow: var(--shadow-soft); transition: transform .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-2px); border-color:#2a3145 }
.kpi { display:flex; gap:12px; align-items:flex-start }
.kpi .icon { width:42px; height:42px; border-radius:12px; display:grid; place-items:center; background:#14161b; border:1px solid var(--border) }
section { padding: 80px 0 }
section h2 { font-size: clamp(26px, 3.4vw, 38px); margin:0 0 18px }
.section-lead { color: var(--muted); margin:0 0 24px }
.features { display:grid; grid-template-columns: repeat(3,1fr); gap:18px }
.feature { background: var(--card-2); border:1px solid var(--border); border-radius:var(--radius); padding:20px }
.feature h3 { margin: 12px 0 10px; font-size: 18px }
.pricing { display:grid; grid-template-columns: repeat(3,1fr); gap:18px }
.price-card { background:var(--card); border:1px solid var(--border); border-radius:var(--radius); padding:24px }
.price { font-size: 36px; font-weight:800 }
.faq-item { border-bottom:1px solid var(--border); padding: 16px 0 }
.cta { background: radial-gradient(1200px 600px at 10% -10%, rgba(250,204,21,.08), transparent), #0b0b0c; border-top:1px solid var(--border); border-bottom:1px solid var(--border) }
footer { border-top:1px solid var(--border); background:#0a0b0e; padding: 36px 0 60px }
.footer-grid { display:grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap:18px }
.footer-grid h4 { margin: 0 0 10px }
.footer-bottom { display:flex; align-items:center; justify-content:space-between; padding-top:18px; border-top:1px solid var(--border); color: var(--muted) }
.tag { font-size:12px; color: var(--muted) }
input, textarea, select { width:100%; padding: 12px 14px; background:#101218; color:var(--fg); border:1px solid var(--border); border-radius: 12px }
label { display:block; margin: 12px 0 8px }
.form-grid { display:grid; grid-template-columns: 1fr 1fr; gap:14px }
.form-grid .full { grid-column:1/-1 }
.success { background: #0f3d1a; color:#adf7b5; border: 1px solid #1a5a2d; padding: 14px 16px; border-radius: 12px }
.error { background: #3d0f16; color:#f7adad; border: 1px solid #5a1a23; padding: 14px 16px; border-radius: 12px }
/* Responsive */
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; }
  .grid-3, .features, .pricing, .footer-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr }
}

/* Extra vertical rhythm tweaks */
.hero-inner { padding: 92px 0 }
section + section { margin-top: 10px }
.card + .card { margin-top: 14px }
.section-lead { line-height: 1.7 }
.grid-3 { gap: 22px }
.features { gap: 22px }
.pricing { gap: 22px }


/* ===== Responsive & Animations v6 ===== */
.nav-toggle { display:none; background:transparent; border:1px solid var(--border); border-radius:12px; padding:8px 10px; color:var(--fg) }
.nav-toggle:focus { outline:2px solid var(--primary); outline-offset:2px }

@media (max-width: 960px) {
  .nav-links { display:none; position:absolute; top:70px; right:20px; left:20px; background:#0b0b0c; border:1px solid var(--border); border-radius:16px; padding:12px; flex-direction:column; gap:8px; box-shadow:var(--shadow) }
  .nav-links.open { display:flex }
  .nav-toggle { display:inline-flex }
  .hero-inner { padding: 70px 0 }
  .hero-card { padding: 18px }
  header.hero h1 { font-size: clamp(28px, 7vw, 40px) }
  .container { padding: 0 16px }
  section { padding: 58px 0 }
  .grid-3, .features, .pricing { grid-template-columns: 1fr }
  .footer-grid { grid-template-columns: 1fr; }
}

@media (min-width: 1200px) {
  .container { max-width: 1240px }
  header.hero h1 { letter-spacing: -0.6px }
}

/* Reveal-on-scroll animations */
@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity:0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease }
  .reveal.in-view { opacity:1; transform: translateY(0) }
  .reveal-slow { transition-duration: .9s }
}


/* ===== v8 Theme: Light/Dark auto + toggle ===== */
}
.theme-toggle { display:inline-flex; align-items:center; gap:8px; padding:8px 12px; border-radius:12px; background:transparent; color:var(--fg); border:1px solid var(--border); cursor:pointer }
.theme-toggle:focus { outline:2px solid var(--primary); outline-offset:2px }
.theme-icon { font-size: 14px }


/* ===== v8 Multi-layer parallax ===== */
.hero-stars, .hero-dots { position:absolute; inset:0; pointer-events:none; }
.hero-stars { background-image: radial-gradient(rgba(250,204,21,.2) 1px, transparent 1px); background-size: 40px 40px; opacity:.08 }
.hero-dots  { background-image: radial-gradient(rgba(255,255,255,.25) 1px, transparent 1px); background-size: 22px 22px; opacity:.05 }


/* ===== v8 Form micro-interactions ===== */
input:focus, textarea:focus, select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(250,204,21,.15) }
.input-error { color:#dc2626; font-size:12px; margin-top:6px }
.invalid { border-color:#dc2626 !important }
.valid { border-color:#16a34a !important }
@keyframes shake {
  10%, 90% { transform: translateX(-1px) }
  20%, 80% { transform: translateX(2px) }
  30%, 50%, 70% { transform: translateX(-4px) }
  40%, 60% { transform: translateX(4px) }
}
.shake { animation: shake .4s ease both }



:root[data-theme="light"] {
  --bg: #f9fafb;
  --fg: #0a0a0a;
  --muted: #475569;
  --card: #ffffff;
  --card-2: #ffffff;
  --border: #e5e7eb;
  --shadow: 0 10px 30px rgba(2,6,23,.06);
  --shadow-soft: 0 6px 24px rgba(2,6,23,.05);
}

}


/* Light mode component polish */
:root[data-theme="light"] .hero-card {
  background: linear-gradient(180deg, rgba(250,204,21,.06), #ffffff);
  border-color: #eceef1;
}
:root[data-theme="light"] .feature,
:root[data-theme="light"] .card,
:root[data-theme="light"] .price-card { background: #ffffff; border-color: #eaecef }
:root[data-theme="light"] .nav-links a:hover { background: #f2f4f7 }
:root[data-theme="light"] .theme-toggle { background:#ffffff }
:root[data-theme="light"] input, :root[data-theme="light"] textarea, :root[data-theme="light"] select {
  background: #ffffff; color: #111827; border-color: #e5e7eb;
}
:root[data-theme="light"] .cta { background: radial-gradient(1200px 600px at 10% -10%, rgba(250,204,21,.08), transparent), #f9fafb }


/* v9.1 Theme toggle top right */
.theme-toggle {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 9999;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--card);
  color: var(--fg);
  border: 1px solid var(--border);
  font-size: 18px;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: background .3s, transform .2s;
}
.theme-toggle:hover {
  background: var(--primary);
  color: #fff;
  transform: scale(1.05);
}
.theme-toggle:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.theme-toggle .theme-label { display: none; }
.theme-toggle .theme-icon { pointer-events: none; }


/* v9.2 smooth theme transition */
html {
  transition: background-color 0.4s ease, color 0.4s ease;
}
.theme-toggle .theme-icon {
  display: inline-block;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.theme-toggle.switching .theme-icon {
  transform: rotate(180deg);
  opacity: 0;
}


/* v9.2 Theme transition + icon crossfade */
html { transition: background-color .25s ease, color .25s ease }
body { transition: background-color .25s ease, color .25s ease }
.thematize { transition: none !important } /* safety */
.theme-toggle { position: fixed; top: 16px; right: 16px; z-index: 9999; }
.theme-toggle .icon-wrap { position: relative; width: 20px; height: 20px; display: grid; place-items:center; }
.theme-toggle .sun, .theme-toggle .moon { position:absolute; inset:0; opacity:0; transform: scale(.9); transition: opacity .25s ease, transform .25s ease }
:root[data-theme="light"] .theme-toggle .sun { opacity:1; transform: scale(1) }
:root[data-theme="dark"]  .theme-toggle .moon { opacity:1; transform: scale(1) }