/* ---------------------------------------------------------
   NovaOps IT — Styles
   - Design responsive, accessible, moderne
   - Variables de thème (clair/sombre) et typographie système
--------------------------------------------------------- */
:root {
  --bg: #0c1118;
  --surface: #121826;
  --elev: #182235;
  --text: #e6edf6;
  --muted: #a1a8b3;
  --primary: #6ee7ff;
  --accent: #8b5cf6;
  --success: #22c55e;
  --warning: #f59e0b;
  --error: #ef4444;
  --border: #2a364b;
  --shadow: 0 10px 30px rgba(2, 6, 23, 0.45);
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f7f8fb;
    --surface: #ffffff;
    --elev: #ffffff;
    --text: #121826;
    --muted: #4b5563;
    --primary: #2563eb;
    --accent: #7c3aed;
    --border: #e5e7eb;
    --shadow: 0 10px 30px rgba(17, 24, 39, 0.08);
  }
}

html, body {
  padding: 0; margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

img { max-width: 100%; display: block; }

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

.muted { color: var(--muted); }
.small { font-size: 0.875rem; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 65%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.75rem 0;
}
.logo { display: inline-flex; align-items: center; gap: .5rem; font-weight: 700; color: var(--text); }
.logo-mark { color: var(--accent); font-size: 1.1rem; }
.nav { display: flex; gap: 1rem; align-items: center; }
.nav a { padding: .5rem .75rem; border-radius: .6rem; color: var(--text); }
.nav a.active, .nav a:hover { background: var(--elev); text-decoration: none; }
.hamburger { display: none; background: none; border: 0; cursor: pointer; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--text); margin: 4px 0; border-radius: 2px; }
.header-actions { display: flex; align-items: center; gap: .5rem; }

@media (max-width: 840px) {
  .nav { position: absolute; top: 56px; right: 0; flex-direction: column; background: var(--surface);
         padding: .75rem; border: 1px solid var(--border); border-radius: .8rem; box-shadow: var(--shadow); display: none; }
  .nav.open { display: flex; }
  .hamburger { display: inline-block; }
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .7rem 1rem; border-radius: .8rem;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white; font-weight: 700; border: 0; cursor: pointer;
  box-shadow: var(--shadow);
}
.btn:hover { opacity: .95; text-decoration: none; }
.btn-ghost { background: transparent; border: 1px solid var(--border); color: var(--text); box-shadow: none; }
.btn-ghost:hover { background: var(--elev); }
.small.btn, .btn.small { padding: .45rem .7rem; font-size: .9rem; }

/* Cards, grids, sections */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1rem;
  box-shadow: var(--shadow);
}
.grid-2 { display: grid; gap: 1rem; grid-template-columns: repeat(2, 1fr); }
.grid-3 { display: grid; gap: 1rem; grid-template-columns: repeat(3, 1fr); }
@media (max-width: 900px) { .grid-3 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

/* Hero */
.hero { padding: 2.5rem 0; }
.hero-inner { display: grid; gap: 1.25rem; grid-template-columns: 1.2fr .8fr; align-items: center; }
.hero h1 { font-size: clamp(2rem, 4.5vw, 3rem); line-height: 1.1; margin: 0 0 .5rem; }
.lead { font-size: 1.1rem; color: var(--muted); }
.hero-actions { display: flex; gap: .75rem; margin-top: 1rem; flex-wrap: wrap; }
.trust-badges { list-style: none; display: flex; gap: .5rem; padding: 0; margin: 1rem 0 0; flex-wrap: wrap; }
.trust-badges li { background: var(--elev); padding: .4rem .6rem; border-radius: .6rem; border: 1px solid var(--border); }
.hero-art { display: grid; gap: 1rem; }
.glass { background: color-mix(in srgb, var(--surface) 70%, transparent); }

@media (max-width: 900px) { .hero-inner { grid-template-columns: 1fr; } }

/* Sections */
.page-header { margin: 1.5rem 0; }
.page-header h1 { margin: 0 0 .25rem; }
.cta-band { background: linear-gradient(135deg, color-mix(in srgb, var(--primary) 18%, var(--surface)), color-mix(in srgb, var(--accent) 18%, var(--surface))); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.25rem 0; }
@media (max-width: 720px) { .cta-inner { flex-direction: column; align-items: flex-start; } }

.service ul { margin: .5rem 0 0 1rem; }

/* Pricing */
.pricing .grid-3 { align-items: stretch; }
.price-card { border: 1px dashed var(--border); border-radius: .8rem; padding: 1rem; background: var(--surface); }
.price-card.featured { border-style: solid; box-shadow: var(--shadow); }
.price { font-weight: 800; letter-spacing: .03em; }

/* Forms */
.form label { display: grid; gap: .25rem; }
input[type="text"], input[type="email"], textarea {
  width: 100%; padding: .65rem .75rem; border: 1px solid var(--border); border-radius: .6rem;
  background: var(--elev); color: var(--text);
}
input:focus, textarea:focus { outline: 2px solid color-mix(in srgb, var(--primary) 60%, transparent); }
.hidden { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-actions { display: flex; align-items: center; gap: .75rem; margin-top: .75rem; }

/* Alerts */
.alert { padding: .75rem 1rem; border-radius: .6rem; border: 1px solid var(--border); margin-bottom: 1rem; }
.alert.success { background: color-mix(in srgb, var(--success) 18%, var(--surface)); }
.alert.warning { background: color-mix(in srgb, var(--warning) 18%, var(--surface)); }
.alert.error { background: color-mix(in srgb, var(--error) 18%, var(--surface)); }

/* Footer */
.site-footer { border-top: 1px solid var(--border); margin-top: 2rem; }
.footer-inner { padding: 1.25rem 0; display: grid; gap: 1.25rem; }
.footer-cta { display: grid; gap: .5rem; }
.footer-grid { display: grid; grid-template-columns: 1.25fr .75fr .75fr; gap: 1rem; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 1rem; border-top: 1px solid var(--border); padding-top: 1rem; }
.footer-logo { margin-bottom: .5rem; }
.link-list { list-style: none; padding: 0; margin: 0; display: grid; gap: .25rem; }
@media (max-width: 900px) { .footer-grid, .footer-bottom { grid-template-columns: 1fr; flex-direction: column; } }

/* Utilities */
.gradient { background: linear-gradient(135deg, var(--primary), var(--accent)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.sparkline { height: 40px; background: repeating-linear-gradient(90deg, color-mix(in srgb, var(--primary) 25%, transparent) 0 4px, transparent 4px 8px); border-radius: .4rem; border: 1px solid var(--border); }