/**
 * ============================================================================
 * HERO DOMAIN STYLESHEET — MODERN METALLIC & PRECISION RED
 * ============================================================================
 * Tata letak dan komponen visual Hero Section:
 * - Layout Desktop Split & Mobile Stacked.
 * - Fluid typography skala responsif clamp().
 * - Kanvas latar arsitektur komputasi (z-index: 1).
 * - Konten semantik dan grup tombol CTA (z-index: 2).
 * - Tombol CTA Utama (.btn-primary) merah metalik presisi.
 * - Tombol CTA Sekunder (.btn-secondary) outline metalik elegan.
 * - Responsif penuh pada resolusi 360px+ bebas dari horizontal overflow.
 * - Sesuai prinsip Zero Dominant Blue & Zero Emoji.
 */

/* ==========================================================================
   1. Hero Section Container & Canvas Layering
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background-color: var(--bg-primary, #0a0b0e);
  background-image:
    radial-gradient(circle at 50% 0%, rgba(230, 46, 61, 0.08) 0%, transparent 65%),
    radial-gradient(circle at 85% 30%, rgba(255, 255, 255, 0.02) 0%, transparent 40%);
  padding-top: calc(var(--navbar-height, 72px) + var(--space-8, 2rem));
  padding-bottom: var(--space-12, 3rem);
}

/* Kanvas Latar Belakang Jaringan Abstrak */
.hero-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: auto; /* Memungkinkan interaksi kedekatan kursor mouse */
  z-index: 1;
  opacity: 0.95;
}

/* Pembungkus Konten Utama di Atas Kanvas */
.hero-container {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--max-width-content, 1200px);
  margin: 0 auto;
  padding: 0 var(--space-6, 1.5rem);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8, 2rem);
  align-items: center;
}

@media (min-width: 992px) {
  .hero-container {
    grid-template-columns: 1.15fr 0.85fr;
    gap: var(--space-12, 3rem);
  }
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
}

/* ==========================================================================
   2. Eyebrow Badge & Fluid Typography
   ========================================================================== */
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2, 0.5rem);
  font-family: var(--font-mono, monospace);
  font-size: var(--text-xs, 0.75rem);
  font-weight: var(--font-weight-semibold, 600);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--red-hover, #ff3b4b);
  background: var(--red-badge-bg, rgba(230, 46, 61, 0.09));
  border: 1px solid var(--red-badge-border, rgba(230, 46, 61, 0.32));
  padding: 0.375rem 0.875rem;
  border-radius: var(--radius-pill, 9999px);
  margin-bottom: var(--space-5, 1.25rem);
  box-shadow: 0 0 12px -2px rgba(230, 46, 61, 0.25);
}

.eyebrow-pulse {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--red-hover, #ff3b4b);
  box-shadow: 0 0 8px 1px var(--red-hover, #ff3b4b);
  animation: pulse-dot 2s infinite ease-in-out;
}

@keyframes pulse-dot {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.4;
    transform: scale(0.85);
  }
}

/* Headline Fluid Berbasis Clamp */
.hero-headline {
  font-family: var(--font-sans, sans-serif);
  font-size: var(--text-hero, clamp(2.35rem, 1.85rem + 2.4vw, 4.25rem));
  font-weight: var(--font-weight-extrabold, 800);
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--text-primary, #f5f6f8);
  margin-bottom: var(--space-5, 1.25rem);
  max-width: 22ch;
  text-wrap: balance;
}

/* Teks Deskripsi Ringkas Profesional */
.hero-desc {
  font-family: var(--font-sans, sans-serif);
  font-size: var(--text-lg, 1.125rem);
  line-height: var(--leading-relaxed, 1.7);
  color: var(--text-secondary, #9da3b0);
  max-width: 58ch;
  margin-bottom: var(--space-8, 2rem);
  text-wrap: pretty;
}

/* ==========================================================================
   3. CTA Buttons & Interaction System (Zero Blue, Metallic Red Precision)
   ========================================================================== */
.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4, 1rem);
  width: 100%;
  margin-bottom: var(--space-10, 2.5rem);
}

/* Tombol Dasar (Base Button) */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2, 0.5rem);
  padding: 0.8125rem 1.625rem;
  font-family: var(--font-sans, sans-serif);
  font-size: var(--text-base, 1rem);
  font-weight: var(--font-weight-semibold, 600);
  line-height: 1.25;
  border-radius: var(--radius-md, 8px);
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  transition:
    transform var(--transition-fast, 150ms cubic-bezier(0.16, 1, 0.3, 1)),
    box-shadow var(--transition-fast, 150ms cubic-bezier(0.16, 1, 0.3, 1)),
    background-color var(--transition-fast, 150ms cubic-bezier(0.16, 1, 0.3, 1)),
    border-color var(--transition-fast, 150ms cubic-bezier(0.16, 1, 0.3, 1)),
    color var(--transition-fast, 150ms cubic-bezier(0.16, 1, 0.3, 1));
}

.btn:focus-visible {
  outline: 2px solid var(--red-hover, #ff3b4b);
  outline-offset: 3px;
}

.btn-icon {
  width: 1.125rem;
  height: 1.125rem;
  flex-shrink: 0;
  transition: transform var(--transition-fast, 150ms cubic-bezier(0.16, 1, 0.3, 1));
}

/* Tombol CTA Utama: Merah Metalik Presisi */
.btn-primary {
  background: var(--gradient-red-metallic, linear-gradient(135deg, #ff3a4a 0%, #d81e2d 50%, #94101b 100%));
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.22);
  box-shadow:
    0 4px 18px -2px rgba(230, 46, 61, 0.42),
    inset 0 1px 0 rgba(255, 255, 255, 0.32);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #ff4d5c 0%, #e62e3d 50%, #a81c27 100%);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow:
    0 6px 26px 0 rgba(255, 59, 75, 0.65),
    inset 0 1px 0 rgba(255, 255, 255, 0.45);
}

.btn-primary:hover .btn-icon {
  transform: translateX(3px);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow:
    0 2px 10px -1px rgba(230, 46, 61, 0.45),
    inset 0 1px 0 rgba(0, 0, 0, 0.2);
}

/* Tombol CTA Sekunder: Outline Metalik dengan Hover Merah Metalik */
.btn-secondary {
  background: var(--surface-card, #151820);
  color: var(--text-primary, #f5f6f8);
  border: 1px solid var(--border-medium, rgba(255, 255, 255, 0.16));
  box-shadow: var(--shadow-metallic, 0 4px 20px -2px rgba(0, 0, 0, 0.7));
}

.btn-secondary:hover {
  background: var(--surface-card-hover, #1c202a);
  color: #ffffff;
  border-color: var(--red-hover, #ff3b4b);
  transform: translateY(-2px);
  box-shadow:
    0 4px 22px -2px rgba(230, 46, 61, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

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

/* ==========================================================================
   4. Hero Architecture Highlights & Visual Metrics Panel
   ========================================================================== */
.hero-highlights {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4, 1rem);
  padding-top: var(--space-6, 1.5rem);
  border-top: 1px solid var(--border-subtle, rgba(255, 255, 255, 0.08));
  width: 100%;
}

.highlight-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2, 0.5rem);
  font-family: var(--font-mono, monospace);
  font-size: var(--text-xs, 0.75rem);
  color: var(--text-muted, #676e7d);
  letter-spacing: 0.04em;
}

.highlight-item-active {
  color: var(--text-secondary, #9da3b0);
}

.highlight-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background-color: var(--red-primary, #e62e3d);
}

/* Panel Visual Sisi Kanan (Desktop Mesh Telemetry & Stats) */
.hero-telemetry {
  display: none;
}

@media (min-width: 992px) {
  .hero-telemetry {
    display: flex;
    flex-direction: column;
    gap: var(--space-4, 1rem);
    background: rgba(21, 24, 32, 0.55);
    border: 1px solid var(--border-subtle, rgba(255, 255, 255, 0.08));
    border-radius: var(--radius-lg, 12px);
    padding: var(--space-6, 1.5rem);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    box-shadow: var(--shadow-metallic, 0 4px 20px -2px rgba(0, 0, 0, 0.7));
  }

  .telemetry-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-subtle, rgba(255, 255, 255, 0.08));
    padding-bottom: var(--space-3, 0.75rem);
  }

  .telemetry-title {
    font-family: var(--font-mono, monospace);
    font-size: var(--text-xs, 0.75rem);
    color: var(--text-muted, #676e7d);
    text-transform: uppercase;
    letter-spacing: 0.1em;
  }

  .telemetry-badge {
    font-family: var(--font-mono, monospace);
    font-size: 0.6875rem;
    color: var(--red-hover, #ff3b4b);
    background: var(--red-badge-bg, rgba(230, 46, 61, 0.09));
    border: 1px solid var(--red-badge-border, rgba(230, 46, 61, 0.32));
    padding: 0.15rem 0.5rem;
    border-radius: var(--radius-pill, 9999px);
  }

  .telemetry-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3, 0.75rem);
  }

  .telemetry-metric {
    background: rgba(10, 11, 14, 0.6);
    border: 1px solid var(--border-subtle, rgba(255, 255, 255, 0.06));
    border-radius: var(--radius-md, 8px);
    padding: var(--space-3, 0.75rem) var(--space-4, 1rem);
  }

  .metric-label {
    display: block;
    font-family: var(--font-mono, monospace);
    font-size: 0.6875rem;
    color: var(--text-muted, #676e7d);
    margin-bottom: 0.25rem;
  }

  .metric-value {
    display: block;
    font-family: var(--font-sans, sans-serif);
    font-size: var(--text-base, 1rem);
    font-weight: var(--font-weight-bold, 700);
    color: var(--text-primary, #f5f6f8);
  }
}

/* ==========================================================================
   5. Responsivitas Ekstrem Mobile (360px+) Bebas Horizontal Overflow
   ========================================================================== */
@media (max-width: 480px) {
  .hero-section {
    padding-top: calc(var(--navbar-height, 72px) + var(--space-6, 1.5rem));
    padding-bottom: var(--space-8, 2rem);
    min-height: auto;
  }

  .hero-container {
    padding: 0 var(--space-4, 1rem);
  }

  .hero-eyebrow {
    font-size: 0.6875rem;
    letter-spacing: 0.1em;
    padding: 0.3rem 0.75rem;
  }

  .hero-cta-group {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-3, 0.75rem);
    margin-bottom: var(--space-6, 1.5rem);
  }

  .btn {
    width: 100%;
    padding: 0.75rem 1.25rem;
    font-size: var(--text-sm, 0.875rem);
  }

  .hero-desc {
    font-size: var(--text-base, 1rem);
    margin-bottom: var(--space-6, 1.5rem);
  }

  .hero-highlights {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2, 0.5rem);
  }
}

/* ==========================================================================
   6. Prefers-Reduced-Motion Fallback Styling
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  .eyebrow-pulse {
    animation: none;
  }

  .btn,
  .btn-icon {
    transition: none;
  }

  .btn-primary:hover,
  .btn-secondary:hover {
    transform: none;
  }
}