/* ==========================================================================
   SPIDERBOT PRODUCT PAGE - "TERRAIN LAB" STYLES
   ========================================================================== */

/* Spiderbot Hero with Full-Bleed Background Image */
.spider-hero {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  padding: 80px 0;
  isolation: isolate;
  overflow: hidden;
  background: #050a11;
  border-bottom: 1px solid var(--rp-border);
}

.spider-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background:
    linear-gradient(90deg, #050a11 0%, rgba(5, 10, 17, 0.98) 35%, rgba(5, 10, 17, 0.8) 52%, rgba(5, 10, 17, 0.3) 75%, rgba(5, 10, 17, 0.1) 100%),
    linear-gradient(0deg, rgba(5, 10, 17, 0.85) 0%, transparent 40%, rgba(5, 10, 17, 0.3) 100%);
}

.spider-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.spider-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 70% center;
  filter: brightness(0.9) contrast(1.05);
}

.spider-hero-content {
  position: relative;
  z-index: 5;
  max-width: 640px;
}

.spider-hero-title {
  font-size: clamp(38px, 4.8vw, 64px);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -2px;
  color: #ffffff;
  margin: 16px 0 20px;
}

.spider-hero-copy {
  font-size: 16px;
  line-height: 1.7;
  color: var(--rp-text-muted);
  max-width: 560px;
  margin-bottom: 28px;
}

.spider-hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 10px;
}

/* Hero Floating HUD Box */
.spider-hero-hud-wrap {
  position: relative;
  z-index: 5;
  margin-top: 36px;
  max-width: 600px;
}

.spider-hero-hud-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

/* Terrain Lab Interactive Section */
.spider-terrain-lab {
  background: #060911;
}

.spider-terrain-layout {
  display: grid;
  grid-template-columns: 1.35fr 0.85fr;
  gap: 32px;
  align-items: start;
}

.spider-terrain-canvas-wrap {
  background: #04070f;
  border: 1px solid var(--rp-border-accent);
  border-radius: 20px;
  padding: 24px;
  position: relative;
  overflow: hidden;
  box-shadow: inset 0 0 40px rgba(0, 0, 0, 0.8), 0 12px 36px rgba(0, 0, 0, 0.5);
}

.spider-terrain-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--rp-border);
}

.spider-terrain-stage {
  position: relative;
  width: 100%;
  height: 380px;
  background:
    radial-gradient(circle at 50% 30%, rgba(37, 99, 235, 0.09) 0%, transparent 70%),
    linear-gradient(rgba(56, 189, 248, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 189, 248, 0.05) 1px, transparent 1px);
  background-size: 100% 100%, 36px 36px, 36px 36px;
  border: 1px solid rgba(148, 163, 184, 0.12);
  border-radius: 12px;
  overflow: hidden;
}

.spider-terrain-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

/* Robot Schematic in Terrain Stage */
#spiderTerrainBot {
  transition: transform 0.6s cubic-bezier(0.2, 1, 0.3, 1);
}

/* Terrain Profiles */
.spider-terrain-profile {
  transition: d 0.5s ease-in-out, stroke 0.5s ease;
}

/* Terrain Lab Control Cards */
.spider-terrain-controls {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.spider-terrain-btn-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 14px;
}

.spider-terrain-status-panel {
  background: var(--rp-bg-card);
  border: 1px solid var(--rp-border);
  border-radius: 16px;
  padding: 24px;
}

/* Gait Lab Section */
.spider-gait-section {
  background: #070b14;
}

.spider-gait-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.3fr;
  gap: 36px;
  align-items: center;
}

.spider-gait-selector-box {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.spider-gait-mode-btn {
  background: var(--rp-bg-card);
  border: 1px solid var(--rp-border);
  border-radius: 14px;
  padding: 20px 24px;
  text-align: left;
  cursor: pointer;
  transition: all 0.25s ease;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.spider-gait-mode-btn:hover {
  border-color: var(--rp-blue-light);
  transform: translateX(4px);
  background: rgba(37, 99, 235, 0.12);
}

.spider-gait-mode-btn.active {
  border-color: var(--rp-cyan);
  background: rgba(37, 99, 235, 0.25);
  box-shadow: 0 0 20px rgba(0, 210, 255, 0.25);
}

.spider-gait-mode-btn .gait-btn-title {
  font-size: 18px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 4px;
}

.spider-gait-mode-btn .gait-btn-desc {
  font-size: 13px;
  color: var(--rp-text-muted);
  margin: 0;
}

.spider-gait-visual-canvas {
  background: #04070f;
  border: 1px solid var(--rp-border-accent);
  border-radius: 20px;
  padding: 28px;
  position: relative;
  min-height: 380px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.spider-gait-svg {
  width: 100%;
  max-width: 480px;
  height: 280px;
}

/* Leg animation styling */
.spider-leg-path {
  fill: none;
  stroke: var(--rp-blue-light);
  stroke-width: 4;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: all 0.4s ease;
}

.spider-foot-contact {
  fill: var(--rp-cyan);
  filter: drop-shadow(0 0 6px var(--rp-cyan));
  transition: r 0.2s ease, fill 0.2s ease;
}

/* Inside the Learning Loop Section */
.spider-loop-section {
  background: #050811;
}

.spider-loop-chain {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  margin: 40px 0 60px;
}

.spider-loop-node {
  background: var(--rp-bg-card);
  border: 1px solid var(--rp-border);
  border-radius: 16px;
  padding: 24px 20px;
  width: 18%;
  text-align: center;
  position: relative;
  z-index: 2;
  transition: all 0.3s ease;
}

.spider-loop-node:hover {
  transform: translateY(-4px);
  border-color: var(--rp-cyan);
  box-shadow: 0 10px 25px rgba(0, 210, 255, 0.2);
}

.spider-loop-node-num {
  font-family: var(--rp-font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--rp-cyan);
  margin-bottom: 8px;
}

.spider-loop-node-title {
  font-size: 18px;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 6px;
}

.spider-loop-node-sub {
  font-size: 12px;
  color: var(--rp-text-muted);
  line-height: 1.4;
  margin: 0;
}

.spider-loop-arrow {
  color: var(--rp-blue-light);
  font-size: 16px;
  position: relative;
  z-index: 1;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  #spiderTerrainBot,
  .spider-leg-path,
  .spider-terrain-profile {
    transition: none !important;
    animation: none !important;
  }
}

/* Responsive */
@media (max-width: 991px) {
  .spider-terrain-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .spider-gait-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .spider-loop-chain {
    flex-direction: column;
    gap: 16px;
  }
  .spider-loop-node {
    width: 100%;
  }
  .spider-loop-arrow {
    transform: rotate(90deg);
  }
}

@media (max-width: 576px) {
  .spider-hero-hud-grid {
    grid-template-columns: 1fr;
  }
  .spider-terrain-btn-grid {
    grid-template-columns: 1fr;
  }
  .spider-terrain-stage {
    height: 300px;
  }
}