/* ==============================================================================
   AXI-SERIAL: AXI-WEB-CSS-HERO-2026-001
   PROPRIETARY ASSET: AxiNexus MindCore | Director: Mario Valfredi
   ============================================================================== */

/* Navigation */
.navbar {
  position: sticky;
  top: 0;
  background: rgba(6, 6, 12, 0.88);
  backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--border-subtle);
  padding: 16px 0;
  z-index: 100;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.nav-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.35rem;
  font-weight: 900;
  letter-spacing: -0.5px;
  color: var(--text-primary);
  text-decoration: none;
}

.brand-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--neon-violet), var(--neon-magenta));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  color: #fff;
  font-size: 1.1rem;
  box-shadow: 0 0 20px rgba(217, 70, 239, 0.7);
}

.brand span {
  background: linear-gradient(135deg, var(--neon-violet-light), var(--cyan-electric));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-right-cluster {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-links {
  display: flex;
  gap: 26px;
  align-items: center;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  transition: all 0.2s;
}

.nav-links a:hover {
  color: var(--neon-violet-light);
  text-shadow: 0 0 10px rgba(192, 132, 252, 0.5);
}

/* Bilingual Language Switcher */
.lang-switcher {
  display: flex;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(168, 85, 247, 0.35);
  border-radius: 20px;
  padding: 3px;
  gap: 4px;
}

.lang-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 14px;
  cursor: pointer;
  transition: all 0.25s;
}

.lang-btn.active-lang {
  background: linear-gradient(135deg, var(--neon-violet), var(--neon-magenta));
  color: #ffffff;
  box-shadow: 0 0 12px rgba(168, 85, 247, 0.8);
}

.btn-nav-cta {
  background: linear-gradient(135deg, var(--neon-violet), var(--neon-magenta));
  color: #ffffff !important;
  font-weight: 700 !important;
  padding: 9px 22px;
  border-radius: 8px;
  box-shadow: 0 0 18px rgba(168, 85, 247, 0.5);
  transition: transform 0.2s, box-shadow 0.2s !important;
}

.btn-nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 28px rgba(217, 70, 239, 0.9);
}

/* Hero Section */
.hero {
  padding: 95px 0 70px;
  text-align: center;
}

.badge-nvidia {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.2), rgba(0, 240, 255, 0.1));
  border: 1px solid rgba(192, 132, 252, 0.5);
  padding: 8px 22px;
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 26px;
  text-transform: uppercase;
  letter-spacing: 1px;
  box-shadow: 0 0 30px rgba(168, 85, 247, 0.35);
  animation: pulse-glow 3s infinite alternate;
}

.badge-nvidia svg {
  width: 16px;
  height: 16px;
  stroke: var(--cyan-electric);
  stroke-width: 2.5;
}

@keyframes pulse-glow {
  0% { box-shadow: 0 0 15px rgba(168, 85, 247, 0.3); }
  100% { box-shadow: 0 0 35px rgba(217, 70, 239, 0.6); }
}

/* Symmetrical Headline Hierarchy (Clean, Centered, No Dashes) */
.hero h1 {
  margin: 0 auto 24px;
  max-width: 980px;
  text-wrap: balance;
}

.brand-main-title {
  display: block;
  font-size: 4rem;
  font-weight: 900;
  letter-spacing: -1.5px;
  line-height: 1.1;
  background: linear-gradient(180deg, #ffffff 40%, #e2e8f0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 6px;
}

.brand-subtitle-line {
  display: block;
  font-size: 2.3rem;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.8px;
  color: #cbd5e1;
  margin-bottom: 10px;
}

.hero h1 span.highlight-line {
  background: linear-gradient(135deg, var(--neon-violet-light) 0%, var(--neon-magenta) 50%, var(--cyan-electric) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: block;
  font-size: 2.5rem;
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.8px;
  text-shadow: 0 0 35px rgba(192, 132, 252, 0.4);
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 780px;
  margin: 0 auto 40px;
  line-height: 1.7;
  text-wrap: pretty;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 18px;
  margin-bottom: 60px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--neon-violet) 0%, var(--neon-magenta) 100%);
  color: #ffffff;
  font-weight: 800;
  padding: 16px 34px;
  border-radius: 10px;
  text-decoration: none;
  transition: all 0.25s;
  box-shadow: 0 0 25px rgba(168, 85, 247, 0.55);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.btn-primary svg {
  width: 18px;
  height: 18px;
  stroke: #ffffff;
  stroke-width: 2.2;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 40px rgba(217, 70, 239, 0.85);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(168, 85, 247, 0.35);
  color: var(--text-primary);
  font-weight: 700;
  padding: 16px 34px;
  border-radius: 10px;
  text-decoration: none;
  transition: all 0.25s;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.btn-secondary svg {
  width: 18px;
  height: 18px;
  stroke: var(--neon-violet-light);
  stroke-width: 2.2;
}

.btn-secondary:hover {
  background: rgba(168, 85, 247, 0.15);
  border-color: var(--neon-violet-light);
  box-shadow: 0 0 20px rgba(168, 85, 247, 0.4);
}

/* Multi-Tone High-Visual Metric Cards */
.metrics-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 50px;
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid rgba(168, 85, 247, 0.25);
  border-radius: 20px;
  backdrop-filter: var(--glass-blur);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.7), inset 0 0 20px rgba(168, 85, 247, 0.05);
}

.metric-item {
  text-align: center;
  position: relative;
}

.metric-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -10px;
  top: 20%;
  height: 60%;
  width: 1px;
  background: rgba(255, 255, 255, 0.1);
}

.metric-val {
  font-size: 2.5rem;
  font-weight: 900;
  font-family: var(--font-mono);
  background: linear-gradient(135deg, var(--neon-violet-light), var(--cyan-electric));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.metric-label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-top: 6px;
}