/* ── HOW IT WORKS ────────────────────────────────────────── */
#how-it-works {
  background:
    radial-gradient(ellipse 800px 500px at 4% 100%, rgba(195,34,31,0.10), transparent 55%),
    var(--clr-dark);
}
:root[data-theme="light"] #how-it-works {
  background:
    radial-gradient(ellipse 800px 500px at 4% 100%, rgba(195,34,31,0.07), transparent 55%),
    var(--clr-dark);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  position: relative;
  margin-top: 4rem;
}
.steps-grid::before {
  content: '';
  position: absolute;
  top: 60px;
  left: calc(16.67% + 30px);
  right: calc(16.67% + 30px);
  height: 2px;
  background: var(--grad-brand);
  z-index: 0;
}

.step-card {
  text-align: center;
  padding: 2.5rem 2rem;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  position: relative;
  transition: var(--transition);
  z-index: 1;
}
.step-card:hover {
  transform: translateY(-8px);
  border-color: rgba(195,34,31,0.4);
  box-shadow: var(--shadow-glow-red);
}

/* ── INTERACTIVE HIW BOX ─────────────────────────────────── */
.hiw-interactive-box {
  margin-top: 5rem;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  background: var(--clr-dark-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 40px 100px rgba(0,0,0,0.3);
}

.hiw-visual-pane {
  position: relative;
  background: #000;
  overflow: hidden;
  min-height: 480px;
}
.hiw-video-container {
  position: relative;
  height: 100%; width: 100%;
}
.hiw-action-video {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.95;
  display: block;
}
.hiw-interactive-box:hover .hiw-action-video { opacity: 1; }


.hiw-hotspot {
  position: absolute;
  width: 24px; height: 24px;
  background: var(--clr-red);
  border-radius: 50%;
  cursor: pointer;
  z-index: 10;
  box-shadow: 0 0 0 4px rgba(195,34,31,0.2);
}
.hiw-hotspot::after {
  content: '';
  position: absolute;
  inset: -10px;
  border-radius: 50%;
  border: 1px solid var(--clr-red);
  animation: pulse 2s infinite;
}
.h-launch { top: 35%; left: 65%; }
.h-patrol { top: 20%; left: 20%; }
.h-dock   { top: 75%; left: 70%; }

.hiw-details-pane {
  padding: 4rem 3.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
}

.hiw-step-tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(195,34,31,0.1);
  color: var(--clr-red);
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 4px;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.hiw-step-info {
  display: none;
  animation: fadeIn 0.5s ease;
}
.hiw-step-info.active { display: block; }

.hiw-step-info h3 {
  font-family: var(--font-title);
  font-size: 2.2rem;
  margin-bottom: 1.2rem;
  line-height: 1.1;
  color: var(--clr-white);
}

.hiw-step-info p {
  color: var(--clr-text-muted);
  font-size: 1rem;
  line-height: 1.7;
  max-width: 400px;
}

.hiw-cycle-ctrls {
  margin-top: 3rem;
  display: flex;
  gap: 0.8rem;
}

.hiw-ctrl {
  background: transparent;
  border: 1px solid var(--clr-border);
  color: var(--clr-text-muted);
  padding: 10px 20px;
  border-radius: 30px;
  font-size: 0.850rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
}
.hiw-ctrl:hover { border-color: rgba(255,255,255,0.3); color: var(--clr-white); }
.hiw-ctrl.active {
  background: var(--clr-red);
  border-color: var(--clr-red);
  color: #fff;
}

@media (max-width: 900px) {
  .hiw-interactive-box { grid-template-columns: 1fr; }
  .hiw-visual-pane { min-height: 350px; }
  .hiw-details-pane { padding: 3rem 2rem; }
}

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

.step-number {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--grad-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-title);
  font-size: 1.5rem;
  color: var(--clr-white);
  margin: 0 auto 1.5rem;
  box-shadow: 0 0 30px rgba(195,34,31,0.4);
}

.step-icon {
  display: block;
  margin-bottom: 1rem;
  color: var(--clr-red);
}

.step-card h3 {
  color: var(--clr-white);
  margin-bottom: 0.75rem;
  font-size: 1.1rem;
}
.step-card p {
  color: var(--clr-text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}