/* ============================================================
   PRIME-Platform Design System
   PRIMEnergeia S.A.S. — Client Sales Platform
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

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

:root {
  /* Colors */
  --bg-primary: #050810;
  --bg-secondary: #0a0f1a;
  --bg-card: #0d1520;
  --bg-card-hover: #111b2a;
  --border: #1a2744;
  --border-hover: #00d1ff;

  --text-primary: #e0e6ed;
  --text-secondary: #94a3b8;
  --text-muted: #3a4a6b;

  --accent-cyan: #00d1ff;
  --accent-green: #00ff88;
  --accent-purple: #8a2be2;
  --accent-gold: #F1C40F;
  --accent-coral: #FF6347;
  --accent-teal: #00ffcc;

  --glow-cyan: rgba(0, 209, 255, 0.15);
  --glow-green: rgba(0, 255, 136, 0.15);

  /* Typography */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing */
  --section-padding: 100px 0;
  --container-width: 1200px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-cyan); text-decoration: none; transition: color 0.3s; }
a:hover { color: #fff; }

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Navbar ── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(5, 8, 16, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(26, 39, 68, 0.5);
  padding: 0 24px;
  transition: background 0.3s;
}

.navbar-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.navbar-logo {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  gap: 8px;
  text-shadow: 0 0 20px var(--glow-cyan);
}

.navbar-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.navbar-links a {
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.5px;
  transition: color 0.3s, text-shadow 0.3s;
  cursor: pointer;
}

.navbar-links a:hover,
.navbar-links a.active {
  color: var(--accent-cyan);
  text-shadow: 0 0 8px var(--glow-cyan);
}

.navbar-cta {
  background: linear-gradient(135deg, var(--accent-cyan), #0099cc);
  color: var(--bg-primary) !important;
  font-family: var(--font-mono) !important;
  font-weight: 700 !important;
  font-size: 12px !important;
  letter-spacing: 1px;
  padding: 8px 20px;
  border-radius: 6px;
  text-transform: uppercase;
  transition: transform 0.2s, box-shadow 0.3s !important;
}

.navbar-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px var(--glow-cyan);
  color: var(--bg-primary) !important;
}

.navbar-mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 24px;
  cursor: pointer;
}

/* ── Hero ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, var(--glow-cyan), transparent),
    radial-gradient(ellipse 60% 40% at 80% 80%, rgba(138, 43, 226, 0.08), transparent),
    var(--bg-primary);
}

.hero-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 2px;
  height: 2px;
  background: var(--accent-cyan);
  border-radius: 50%;
  opacity: 0;
  animation: float-particle linear infinite;
}

@keyframes float-particle {
  0% { opacity: 0; transform: translateY(100vh) scale(0); }
  10% { opacity: 0.6; }
  90% { opacity: 0.6; }
  100% { opacity: 0; transform: translateY(-10vh) scale(1); }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero-badge {
  display: inline-block;
  background: rgba(0, 209, 255, 0.1);
  border: 1px solid rgba(0, 209, 255, 0.25);
  color: var(--accent-cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 24px;
  text-transform: uppercase;
}

.hero h1 {
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 900;
  line-height: 1.05;
  margin-bottom: 24px;
  background: linear-gradient(135deg, #fff 0%, var(--accent-cyan) 50%, var(--accent-green) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-cta-group {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 14px 32px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  text-transform: uppercase;
  transition: all 0.3s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-cyan), #0099cc);
  color: var(--bg-primary);
  box-shadow: 0 4px 30px var(--glow-cyan);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 40px rgba(0, 209, 255, 0.3);
  color: var(--bg-primary);
}

.btn-secondary {
  background: transparent;
  color: var(--accent-cyan);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--accent-cyan);
  background: rgba(0, 209, 255, 0.05);
  color: var(--accent-cyan);
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}

.hero-stat-value {
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 700;
  color: var(--accent-cyan);
  text-shadow: 0 0 12px var(--glow-cyan);
}

.hero-stat-label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-top: 4px;
}

/* ── Section ── */
.section {
  padding: var(--section-padding);
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--accent-cyan);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-header h2 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  margin-bottom: 16px;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 16px;
  max-width: 600px;
  margin: 0 auto;
}

/* ── Product Cards ── */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 24px;
}

.product-card {
  background: linear-gradient(135deg, var(--bg-card), var(--bg-card-hover));
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--card-accent, var(--accent-cyan)), transparent);
  opacity: 0;
  transition: opacity 0.4s;
}

.product-card:hover {
  border-color: var(--card-accent, var(--accent-cyan));
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.product-card:hover::before { opacity: 1; }

.product-icon {
  font-size: 36px;
  margin-bottom: 16px;
}

.product-title {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.product-desc {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 16px;
}

.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  display: inline-block;
  background: rgba(0, 209, 255, 0.08);
  color: var(--accent-cyan);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1px;
  padding: 4px 10px;
  border-radius: 4px;
  text-transform: uppercase;
}

/* ── Pricing ── */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  align-items: start;
}

.pricing-card {
  background: linear-gradient(135deg, var(--bg-card), var(--bg-card-hover));
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 28px;
  text-align: center;
  transition: all 0.4s;
  position: relative;
}

.pricing-card.featured {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 40px var(--glow-cyan);
  transform: scale(1.04);
}

.pricing-card.featured::after {
  content: 'MOST POPULAR';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--accent-cyan), #0099cc);
  color: var(--bg-primary);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  padding: 4px 16px;
  border-radius: 12px;
}

.pricing-card:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-4px);
}

.pricing-card.featured:hover {
  transform: scale(1.04) translateY(-4px);
}

.pricing-name {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 8px;
}

.pricing-price {
  font-family: var(--font-mono);
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 4px;
}

.pricing-price span {
  font-size: 16px;
  color: var(--text-muted);
  font-weight: 400;
}

.pricing-desc {
  color: var(--text-secondary);
  font-size: 13px;
  margin-bottom: 24px;
}

.pricing-features {
  list-style: none;
  text-align: left;
  margin-bottom: 32px;
}

.pricing-features li {
  padding: 8px 0;
  font-size: 13px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid rgba(26, 39, 68, 0.3);
}

.pricing-features li::before {
  content: '✓';
  color: var(--accent-green);
  font-weight: 700;
  font-size: 14px;
  flex-shrink: 0;
}

.pricing-features li:first-child {
  color: var(--accent-gold);
  font-weight: 700;
  font-family: var(--font-mono);
  letter-spacing: 0.5px;
}

.pricing-btn {
  width: 100%;
  justify-content: center;
}

/* ── Demo Simulator ── */
.demo-container {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 32px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}

.demo-controls {
  padding: 32px;
  border-right: 1px solid var(--border);
}

.demo-controls h3 {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-cyan);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.control-group {
  margin-bottom: 20px;
}

.control-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 8px;
  font-weight: 500;
}

.control-value {
  font-family: var(--font-mono);
  color: var(--accent-cyan);
  font-weight: 600;
}

input[type="range"] {
  width: 100%;
  height: 4px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--border);
  border-radius: 4px;
  outline: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  background: var(--accent-cyan);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 0 10px var(--glow-cyan);
}

.demo-run-btn {
  width: 100%;
  margin-top: 24px;
}

.demo-results {
  padding: 32px;
  display: flex;
  flex-direction: column;
}

.demo-results h3 {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-green);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.result-metric {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
}

.result-metric-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.result-metric-value {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  color: var(--accent-cyan);
  text-shadow: 0 0 8px var(--glow-cyan);
}

.result-metric-unit {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 400;
}

.demo-chart {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
  position: relative;
  min-height: 200px;
}

.demo-chart canvas {
  width: 100% !important;
  height: 100% !important;
}

/* ── Contact ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.contact-info h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 16px;
}

.contact-info p {
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.7;
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  color: var(--text-secondary);
  font-size: 14px;
}

.contact-detail-icon {
  width: 36px;
  height: 36px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

.contact-form {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 14px;
  outline: none;
  transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px var(--glow-cyan);
}

.form-group textarea { resize: vertical; min-height: 120px; }
.form-group select { cursor: pointer; }
.form-group select option { background: var(--bg-card); }

/* ── Footer ── */
.footer {
  border-top: 1px solid var(--border);
  padding: 48px 24px 32px;
  text-align: center;
}

.footer-logo {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--accent-cyan);
  margin-bottom: 8px;
}

.footer-tagline {
  color: var(--text-muted);
  font-size: 13px;
  margin-bottom: 24px;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 13px;
}

.footer-copy {
  color: var(--text-muted);
  font-size: 11px;
  font-family: var(--font-mono);
}

/* ── Live indicator ── */
.live-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(0, 255, 136, 0.1);
  color: var(--accent-green);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 4px;
}

.live-dot {
  width: 6px;
  height: 6px;
  background: var(--accent-green);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(0, 255, 136, 0.4); }
  50% { opacity: 0.6; box-shadow: 0 0 0 6px rgba(0, 255, 136, 0); }
}

/* ── Page transitions ── */
.page { display: none; }
.page.active {
  display: block;
  animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Mobile ── */
@media (max-width: 768px) {
  .navbar-links { display: none; }
  .navbar-mobile-toggle { display: block; }
  .navbar-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(5, 8, 16, 0.98);
    backdrop-filter: blur(20px);
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--border);
  }
  .hero-stats { flex-direction: column; gap: 24px; }
  .products-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .pricing-card.featured { transform: none; }
  .pricing-card.featured:hover { transform: translateY(-4px); }
  .demo-container { grid-template-columns: 1fr; }
  .demo-controls { border-right: none; border-bottom: 1px solid var(--border); }
  .contact-grid { grid-template-columns: 1fr; }
}