/* ─── Design Tokens ──────────────────────────────────────── */
:root {
  --bg: #000000;
  --panel: #111111;
  --panel-light: #181818;
  --border: rgba(201,164,76,0.12);
  --border-h: rgba(201,164,76,0.28);
  --text: #F4F1E8;
  --text-sec: #E8E4DA;
  --text-muted: #CFC9BC;
  --gold: #C9A44C;
  --gold-glow: rgba(201,164,76,0.22);
  --green: #2ecc71;
  --purple: #9b59b6;

  --font-serif: 'Cinzel Decorative', serif;
  --font-sans: 'DM Sans', sans-serif;
  --font-tech: 'Space Grotesk', sans-serif;
}

html { scroll-behavior: smooth; }

*, *::before, *::after { box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  overflow-x: hidden;
  margin: 0;
}

.sk-main { margin-top: 0; }

.sk-container {
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(3rem, 7vw, 6rem) clamp(1.25rem, 4vw, 3rem);
}

.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* ─── Typography ─────────────────────────────────────────── */
.sk-eyebrow {
  display: block;
  font-family: var(--font-tech);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--gold);
  margin-bottom: 0.75rem;
}

.sk-sec-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 700;
  color: var(--text);
  margin: 0 0 1.5rem;
  line-height: 1.15;
}

.sk-hero__subtitle {
  font-family: var(--font-tech);
  font-size: clamp(0.85rem, 1.8vw, 1.1rem);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--gold);
  margin-bottom: 1.5rem;
}

.sk-sec-lead {
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  line-height: 1.65;
  color: var(--text-sec);
  margin-bottom: 3.5rem;
}

.sk-body-text {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-sec);
  margin-bottom: 1.1rem;
}

.sk-back-link {
  display: inline-block;
  font-family: var(--font-tech);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  text-decoration: none;
  margin-bottom: 2rem;
  transition: color 240ms ease;
}
.sk-back-link:hover { color: var(--gold); }

.sk-link-arrow {
  display: inline-block;
  font-family: var(--font-tech);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--gold);
  text-decoration: none;
  letter-spacing: 0.06em;
  transition: opacity 200ms ease;
  margin-top: 1.5rem;
}
.sk-link-arrow:hover { opacity: 0.75; }

/* ─── Buttons ──────────────────────────────────────────── */
.sk-btn {
  font-family: var(--font-tech);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.75rem 1.4rem;
  border-radius: 0;
  cursor: pointer;
  transition: all 250ms ease;
  border: 1px solid transparent;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
}

.sk-btn--primary {
  background: var(--gold);
  color: #000;
}
.sk-btn--primary:hover {
  background: #e5bd5c;
  box-shadow: 0 0 18px rgba(201,164,76,0.35);
}

.sk-btn--secondary {
  background: transparent;
  border-color: var(--border);
  color: var(--text-sec);
}
.sk-btn--secondary:hover {
  border-color: var(--border-h);
  color: var(--text);
  background: rgba(255,255,255,0.02);
}

/* ─── Tagline Banner ─────────────────────────────────────── */
.mb-tagline-banner {
  background: #000000;
  border-bottom: 1px solid var(--border);
  padding: 0.75rem clamp(1.25rem, 4vw, 3rem);
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-family: var(--font-tech);
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  flex-wrap: wrap;
}

.mb-sep {
  color: var(--gold);
  font-size: 0.6rem;
}

.mb-attr {
  margin-left: auto;
  color: var(--gold);
  font-weight: 700;
  letter-spacing: 0.12em;
}

/* ─── Sections ───────────────────────────────────────────── */
.sk-hero {
  position: relative;
  min-height: 100vh;
  padding-top: 72px;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

.sk-hero__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.sk-hero__overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 40%, rgba(0, 0, 0,0.38) 0%, rgba(0, 0, 0,0.80) 100%);
  z-index: 1;
}

.sk-hero > .sk-container {
  position: relative;
  z-index: 2;
}

.sk-section {
  border-top: 1px solid var(--border);
  background: var(--bg);
}

.sk-section.alt-bg {
  background: #000000;
}

/* ─── Hero Grid ──────────────────────────────────────────── */
.sk-hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}

.sk-hero-info {
  display: flex;
  flex-direction: column;
}

.sk-hero-text {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-sec);
  margin-bottom: 1.2rem;
}

.sk-hero-actions {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

/* ─── Hero Panel ─────────────────────────────────────────── */
.sk-hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.mb-hero-panel {
  width: 100%;
  max-width: 380px;
  aspect-ratio: 1;
  background: #000000;
  border: 1px solid var(--border);
  border-radius: 0;
  position: relative;
  overflow: hidden;
  box-shadow: 0 25px 65px rgba(0,0,0,0.75);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.mbhp-top-bar {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, var(--gold) 50%, transparent 100%);
  z-index: 2;
}

.mbhp-corner {
  position: absolute;
  font-family: var(--font-tech);
  font-size: 0.55rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  pointer-events: none;
  z-index: 2;
}
.mbhp-corner.tl { top: 0.7rem; left: 0.85rem; }
.mbhp-corner.tr { top: 0.7rem; right: 0.85rem; }
.mbhp-corner.bl { bottom: 3.2rem; left: 0.85rem; }
.mbhp-corner.br { bottom: 3.2rem; right: 0.85rem; }

.mb-hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.mbhp-stat-overlay {
  position: relative;
  z-index: 3;
  background: rgba(9,9,9,0.88);
  border-top: 1px solid var(--border);
  padding: 0.75rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.mbhp-stat {
  display: flex;
  flex-direction: column;
}

.mbhp-stat-num {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
}

.mbhp-stat-label {
  font-family: var(--font-tech);
  font-size: 0.58rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.mbhp-pulse-row {
  font-family: var(--font-tech);
  font-size: 0.6rem;
  font-weight: 700;
  color: var(--green);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  letter-spacing: 0.06em;
}

/* ─── Status Pulse ───────────────────────────────────────── */
.status-pulse {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: pulseAnim 1.8s infinite;
  flex-shrink: 0;
}
.status-pulse.gold {
  background: var(--gold);
  box-shadow: 0 0 8px var(--gold);
}

@keyframes pulseAnim {
  0%   { transform: scale(0.9); opacity: 0.5; }
  50%  { transform: scale(1.15); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.5; }
}

/* ─── Overview Grid ──────────────────────────────────────── */
.mb-overview-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2.5rem, 5vw, 5rem);
  align-items: start;
}

.mb-overview-info {
  display: flex;
  flex-direction: column;
}

.mb-stats-column {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.mb-stat-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 0;
  padding: 1.5rem 1.6rem;
  position: relative;
  transition: border-color 280ms ease, box-shadow 280ms ease;
  overflow: hidden;
}

.mb-stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; bottom: 0; width: 3px;
  background: var(--gold);
  opacity: 0;
  transition: opacity 280ms ease;
}

.mb-stat-card:hover {
  border-color: var(--border-h);
  box-shadow: 0 12px 30px rgba(0,0,0,0.4);
}
.mb-stat-card:hover::before { opacity: 1; }

.mb-stat-num {
  display: block;
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 0.35rem;
}

.mb-stat-label {
  display: block;
  font-family: var(--font-tech);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text);
  margin-bottom: 0.6rem;
}

.mb-stat-desc {
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--text-muted);
  margin: 0;
}

/* ─── Highlights Grid ────────────────────────────────────── */
.mb-highlights-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 1rem;
}

.mb-highlight-card {
  background: rgba(17, 17, 17, 0.45);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(201, 164, 76, 0.08);
  border-radius: 0;
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.95rem;
  position: relative;
  overflow: hidden;
  transition: border-color 400ms ease, transform 400ms cubic-bezier(0.16, 1, 0.3, 1), box-shadow 400ms ease;
  z-index: 1;
}

/* Cursor-tracking light spotlight background */
.mb-highlight-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(220px circle at var(--mx, -999px) var(--my, -999px), rgba(201, 164, 76, 0) 0%, transparent 80%);
  pointer-events: none;
  z-index: 0;
  opacity: 0;
  transition: opacity 350ms ease;
}

/* Cursor-tracking glowing border */
.mb-highlight-card::after {
  content: '';
  position: absolute;
  inset: -1px;
  background: radial-gradient(350px circle at var(--mx, -999px) var(--my, -999px), rgba(201, 164, 76, 0.16) 0%, transparent 60%);
  pointer-events: none;
  z-index: 1;
  opacity: 0;
  transition: opacity 300ms ease;
  border-radius: inherit;
  padding: 1px;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  background-origin: border-box;
}

.mb-highlight-card:hover {
  border-color: rgba(201, 164, 76, 0.25);
  transform: translateY(-5px);
  box-shadow: 0 25px 55px rgba(0, 0, 0, 0.65), 0 0 30px rgba(201, 164, 76, 0.03);
}

.mb-highlight-card:hover::before,
.mb-highlight-card:hover::after {
  opacity: 1;
}

/* Visual Wrapper & SVGs */
.mbhc-visual-wrap {
  width: 68px;
  height: 68px;
  border-radius: 0;
  background: rgba(255, 255, 255, 0.015);
  border: 1px solid rgba(201, 164, 76, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 2;
  transition: all 400ms cubic-bezier(0.16, 1, 0.3, 1);
}

.mb-highlight-card:hover .mbhc-visual-wrap {
  border-color: rgba(201, 164, 76, 0.32);
  background: rgba(201, 164, 76, 0.03);
  box-shadow: 0 0 20px rgba(201, 164, 76, 0.12);
}

.mbhc-svg {
  width: 42px;
  height: 42px;
  transition: all 400ms cubic-bezier(0.16, 1, 0.3, 1);
  transform-origin: 50px 50px;
}

.mb-highlight-card:hover .mbhc-svg {
  color: var(--gold);
}

/* Backdrop Numbers */
.mbhc-backdrop-number {
  position: absolute;
  top: -15px;
  right: -5px;
  font-family: var(--font-serif);
  font-size: 6.5rem;
  font-weight: 700;
  color: rgba(201, 164, 76, 0.03);
  line-height: 1;
  pointer-events: none;
  user-select: none;
  z-index: 0;
  transition: color 400ms ease, transform 400ms cubic-bezier(0.16, 1, 0.3, 1);
}

.mb-highlight-card:hover .mbhc-backdrop-number {
  color: rgba(201, 164, 76, 0.055);
  transform: scale(1.05) translate(-4px, 4px);
}

/* Math overlays in card background */
.mbhc-math-overlay {
  position: absolute;
  bottom: 22px;
  right: 20px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.3rem;
  font-family: var(--font-tech);
  font-size: 0.62rem;
  color: rgba(244, 241, 228, 0.02);
  pointer-events: none;
  user-select: none;
  text-align: right;
  z-index: 1;
  transition: color 400ms ease, transform 400ms ease;
}

.mb-highlight-card:hover .mbhc-math-overlay {
  color: rgba(244, 241, 228, 0.065);
  transform: translateY(-4px);
}

/* Typography & Content Above Glows */
.mbhc-title {
  font-family: var(--font-tech);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin: 0;
  line-height: 1.35;
  position: relative;
  z-index: 2;
  transition: color 300ms ease;
}

.mb-highlight-card:hover .mbhc-title {
  color: var(--gold);
}

.mbhc-desc {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text-sec);
  margin: 0;
  flex-grow: 1;
  position: relative;
  z-index: 2;
}

.mbhc-tag {
  font-family: var(--font-tech);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  background: rgba(201, 164,76, 0.07);
  border: 1px solid rgba(201, 164, 76, 0.18);
  border-radius: 0;
  padding: 0.22rem 0.55rem;
  align-self: flex-start;
  margin-top: auto;
  position: relative;
  z-index: 2;
}

/* Expand-on-hover bottom golden line */
.mbhc-decor-line {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 500ms cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 3;
}

.mb-highlight-card:hover .mbhc-decor-line {
  transform: scaleX(1);
}

/* ─── Highlights SVGs Animations ─────────────────────────── */

/* Card 1: Randomized Solving */
@keyframes svgBoxFloatAnim {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3.5px); }
}
.svg-box-float {
  transform-origin: 50px 40px;
}
.mb-highlight-card:hover .svg-box-float {
  animation: svgBoxFloatAnim 2.2s ease-in-out infinite;
}

@keyframes svgQPulseAnim {
  0%, 100% { opacity: 0.65; }
  50% { opacity: 1; fill: var(--text); }
}
.mb-highlight-card:hover .svg-q-pulse {
  animation: svgQPulseAnim 1.6s ease-in-out infinite;
}

@keyframes svgPathDrawAnim {
  to { stroke-dashoffset: -20; }
}
.mb-highlight-card:hover .svg-path-draw {
  stroke-dasharray: 6 3;
  animation: svgPathDrawAnim 3.5s linear infinite;
}

/* Card 2: Peer-to-Peer Marking */
@keyframes svgOrbitRotateAnim {
  to { transform: rotate(360deg); }
}
.svg-orbit-rotate {
  transform-origin: 50px 50px;
}
.mb-highlight-card:hover .svg-orbit-rotate {
  animation: svgOrbitRotateAnim 14s linear infinite;
}

.svg-node-peer-left { transform-origin: 30px 50px; transition: transform 400ms cubic-bezier(0.16, 1, 0.3, 1); }
.svg-node-peer-right { transform-origin: 70px 50px; transition: transform 400ms cubic-bezier(0.16, 1, 0.3, 1); }
.mb-highlight-card:hover .svg-node-peer-left { transform: scale(1.12); }
.mb-highlight-card:hover .svg-node-peer-right { transform: scale(1.12); }

.svg-flow-loop-1, .svg-flow-loop-2 {
  stroke-dasharray: 80;
  stroke-dashoffset: 80;
  transition: stroke-dashoffset 900ms cubic-bezier(0.16, 1, 0.3, 1);
}
.mb-highlight-card:hover .svg-flow-loop-1 { stroke-dashoffset: 0; }
.mb-highlight-card:hover .svg-flow-loop-2 { stroke-dashoffset: 0; transition-delay: 80ms; }

.svg-check-draw {
  stroke-dasharray: 20;
  stroke-dashoffset: 20;
  transition: stroke-dashoffset 400ms ease;
}
.mb-highlight-card:hover .svg-check-draw { stroke-dashoffset: 0; transition-delay: 500ms; }

/* Card 3: Interactive Workshops */
@keyframes svgWaveShiftAnim {
  to { stroke-dashoffset: -40; }
}
.svg-wave-1, .svg-wave-2 {
  stroke-dasharray: 200;
  transition: stroke 300ms ease;
}
.mb-highlight-card:hover .svg-wave-2 {
  animation: svgWaveShiftAnim 3s linear infinite;
}

@keyframes svgPointPulseAnim {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.25); fill: var(--text); }
}
.svg-point-pulse { transform-origin: 50px 50px; }
.mb-highlight-card:hover .svg-point-pulse { animation: svgPointPulseAnim 1.4s infinite; }

@keyframes svgRingExpandAnim {
  0% { transform: scale(0.5); opacity: 1; }
  100% { transform: scale(1.4); opacity: 0; }
}
.svg-ring-expand { transform-origin: 50px 50px; }
.mb-highlight-card:hover .svg-ring-expand { animation: svgRingExpandAnim 1.4s infinite; }

/* Card 4: Fostering Curiosity & Teamwork */
@keyframes svgStarPulseAnim {
  0%, 100% { transform: scale(1) rotate(0deg); opacity: 0.9; }
  50% { transform: scale(1.15) rotate(45deg); opacity: 1; filter: drop-shadow(0 0 3px var(--gold)); }
}
.svg-star-glow { transform-origin: 50px 50px; }
.mb-highlight-card:hover .svg-star-glow {
  animation: svgStarPulseAnim 2.5s ease-in-out infinite;
}

.svg-spin-slow { transform-origin: 50px 50px; }
.mb-highlight-card:hover .svg-spin-slow {
  animation: svgOrbitRotateAnim 18s linear infinite reverse;
}

/* ─── Team Section ───────────────────────────────────────── */
.mb-team-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.mb-mentor-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 0;
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  transition: border-color 300ms ease, box-shadow 300ms ease;
  position: relative;
  overflow: hidden;
}

.mb-mentor-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: transparent;
  transition: background 300ms ease;
}

.mb-mentor-card.featured::before {
  background: linear-gradient(90deg, transparent 0%, var(--gold) 50%, transparent 100%);
}

.mb-mentor-card:hover {
  border-color: var(--border-h);
  box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}

.mb-mentor-avatar-wrap {
  display: flex;
  justify-content: center;
}

.mb-mentor-avatar {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: radial-gradient(circle at center, #1c1c1c 0%, #000000 100%);
  border: 1px solid var(--border);
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 12px 30px rgba(0,0,0,0.6), inset 0 1px 3px rgba(255,255,255,0.04);
  transition: border-color 300ms ease, box-shadow 300ms ease;
}

.mb-mentor-card:hover .mb-mentor-avatar {
  border-color: var(--gold);
  box-shadow: 0 12px 30px rgba(0,0,0,0.6), 0 0 20px var(--gold-glow);
}

.mb-mentor-avatar .mma-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  filter: grayscale(0.2);
  transition: filter 300ms ease, transform 350ms cubic-bezier(0.16, 1, 0.3, 1);
}

.mb-mentor-card:hover .mma-img {
  filter: grayscale(0);
  transform: scale(1.06);
}

.mb-mentor-avatar .mma-initials {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.05em;
  line-height: 1;
}

.mb-mentor-avatar.secondary .mma-initials {
  color: var(--text-sec);
}

.mma-ring {
  position: absolute;
  inset: -5px;
  border-radius: 50%;
  border: 1px dashed rgba(201,164,76,0.2);
  animation: ringRotate 14s linear infinite;
}

@keyframes ringRotate {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.mb-mentor-body {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  text-align: center;
}

.mb-mentor-badge {
  font-family: var(--font-tech);
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--gold);
  background: rgba(201,164,76,0.07);
  border: 1px solid rgba(201,164,76,0.18);
  border-radius: 0;
  padding: 0.25rem 0.65rem;
  align-self: center;
}

.mb-mentor-badge.secondary {
  color: var(--text-sec);
  background: rgba(255,255,255,0.03);
  border-color: rgba(255,255,255,0.08);
}

.mb-mentor-name {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  margin: 0;
  line-height: 1.2;
}

.mb-mentor-desc {
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--text-sec);
  margin: 0;
}

.mb-mentor-roles {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-top: 0.4rem;
}

.mb-role-chip {
  font-family: var(--font-tech);
  font-size: 0.62rem;
  color: var(--text-muted);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 0;
  padding: 0.2rem 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ─── Problem Simulator ──────────────────────────────────── */
.mb-simulator-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 1.5rem;
  align-items: start;
}

.mb-sim-panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 0;
  overflow: hidden;
}

.mb-sim-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #000000;
  padding: 0.9rem 1.4rem;
  border-bottom: 1px solid var(--border);
}

.mb-sim-title {
  font-family: var(--font-tech);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-sec);
}

.mb-sim-status-row {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.mb-sim-status-text {
  font-family: var(--font-tech);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.mb-sim-body {
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2.5rem 2rem;
}

/* Idle state */
.mb-sim-idle {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  text-align: center;
  width: 100%;
}

.mb-box-visual {
  position: relative;
  width: 110px;
  height: 110px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.mb-box-cube {
  width: 76px;
  height: 76px;
  background: radial-gradient(circle at 40% 40%, #1e1e1e, #000000);
  border: 1.5px solid var(--border-h);
  border-radius: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 0 0 30px rgba(201,164,76,0.1), inset 0 1px 2px rgba(255,255,255,0.04);
  position: relative;
  z-index: 1;
  animation: cubeFloat 3.5s ease-in-out infinite;
}

@keyframes cubeFloat {
  0%, 100% { transform: translateY(0px); box-shadow: 0 0 30px rgba(201,164,76,0.1); }
  50% { transform: translateY(-6px); box-shadow: 0 10px 35px rgba(201,164,76,0.18); }
}

.mb-box-q {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  color: var(--gold);
  line-height: 1;
  animation: qPulse 2.5s ease-in-out infinite;
}

@keyframes qPulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

.mb-box-rings {
  position: absolute;
  inset: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  pointer-events: none;
}

.mb-box-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(201,164,76,0.15);
  animation: ringExpand 3.5s ease-in-out infinite;
}

.mb-box-ring.r1 {
  width: 95px;
  height: 95px;
  animation-delay: 0s;
}

.mb-box-ring.r2 {
  width: 116px;
  height: 116px;
  animation-delay: 0.4s;
  border-color: rgba(201,164,76,0.07);
}

@keyframes ringExpand {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.06); opacity: 1; }
}

.mb-idle-prompt {
  font-family: var(--font-tech);
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  margin: 0;
}

/* Problem state */
.mb-problem-state {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  width: 100%;
  animation: fadeSlideIn 350ms ease;
}

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

.mb-problem-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.mb-problem-meta {
  display: flex;
  gap: 0.6rem;
}

.mb-problem-cat {
  font-family: var(--font-tech);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: rgba(201,164,76,0.1);
  color: var(--gold);
  border: 1px solid rgba(201,164,76,0.25);
  border-radius: 0;
  padding: 0.22rem 0.6rem;
}

.mb-problem-diff {
  font-family: var(--font-tech);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: rgba(255,255,255,0.04);
  color: var(--text-muted);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 0;
  padding: 0.22rem 0.6rem;
}

.mb-problem-id {
  font-family: 'Courier New', monospace;
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.mb-problem-body {
  background: #000000;
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 0;
  padding: 1.8rem;
}

.mb-problem-text {
  font-family: var(--font-tech);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.55;
  margin: 0;
}

.mb-answer-reveal {
  background: rgba(201,164,76,0.04);
  border: 1px solid rgba(201,164,76,0.18);
  border-radius: 0;
  padding: 1.5rem;
  animation: fadeSlideIn 350ms ease;
}

.mb-answer-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-tech);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 0.8rem;
}

.mar-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gold);
  flex-shrink: 0;
}

.mb-answer-text {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--text-sec);
  margin: 0;
}

.mb-sim-controls {
  padding: 1.2rem 2rem;
  border-top: 1px solid rgba(255,255,255,0.05);
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.mb-sim-footer-row {
  padding: 0.7rem 2rem;
  border-top: 1px solid rgba(255,255,255,0.03);
  background: #000000;
  display: flex;
  gap: 2rem;
}

.mb-sim-counter-item {
  font-family: var(--font-tech);
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.mb-count-val {
  color: var(--gold);
  font-weight: 700;
}

/* Sidebar */
.mb-sim-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.mb-sidebar-block {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 0;
  padding: 1.4rem;
}

.mb-sidebar-heading {
  font-family: var(--font-tech);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 1rem;
}

.mb-cat-bars {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.mb-cat-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-tech);
  font-size: 0.68rem;
}

.mb-cat-label {
  width: 68px;
  color: var(--text-sec);
  flex-shrink: 0;
}

.mb-cat-track {
  flex: 1;
  height: 5px;
  background: rgba(255,255,255,0.05);
  border-radius: 0;
  overflow: hidden;
}

.mb-cat-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--gold) 0%, #e5bd5c 100%);
  border-radius: 0;
  transition: width 800ms cubic-bezier(0.22, 1, 0.36, 1);
}

.mb-cat-val {
  width: 30px;
  text-align: right;
  color: var(--gold);
  font-weight: 600;
  font-size: 0.62rem;
}

.mb-log {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  max-height: 200px;
  overflow-y: auto;
}

.mb-log::-webkit-scrollbar { width: 3px; }
.mb-log::-webkit-scrollbar-track { background: transparent; }
.mb-log::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.mb-log-item {
  font-family: var(--font-tech);
  font-size: 0.62rem;
  color: var(--text-sec);
  line-height: 1.4;
  padding: 0.3rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.03);
}

.mb-log-item.muted { color: var(--text-muted); }
.mb-log-item.reveal { color: var(--gold); }

/* ─── CTA Section ────────────────────────────────────────── */
.mb-cta-actions {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-top: 2.5rem;
}

/* ─── Responsive ─────────────────────────────────────────── */
@media (max-width: 980px) {
  .sk-hero-grid {
    grid-template-columns: 1fr;
  }

  .sk-hero-visual {
    margin-top: 2rem;
  }

  .mb-hero-panel {
    max-width: 340px;
    margin: 0 auto;
  }

  .mb-overview-grid {
    grid-template-columns: 1fr;
  }

  .mb-team-grid {
    grid-template-columns: 1fr;
  }

  .mb-simulator-layout {
    grid-template-columns: 1fr;
  }

  .mb-sim-sidebar {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }
}

@media (max-width: 768px) {
  .mb-highlights-grid {
    grid-template-columns: 1fr;
  }

  .mb-sim-body {
    padding: 2rem 1.2rem;
  }

  .mb-sim-controls {
    padding: 1rem 1.2rem;
  }

  .mb-sim-footer-row {
    padding: 0.6rem 1.2rem;
  }

  .mb-sim-sidebar {
    grid-template-columns: 1fr;
  }

  .mb-tagline-banner {
    font-size: 0.65rem;
    gap: 0.6rem;
  }

  .mb-team-grid {
    grid-template-columns: 1fr;
  }
}

/* Fix margin spacing issue between Overview Lead and body text */
.mb-overview-info .sk-sec-lead {
  margin-bottom: 1.5rem;
}

/* ─── Gallery Accordion System ───────────────────────────── */
.sk-gallery-strip {
  padding: 0;
  background: #000;
  width: 100%;
  overflow: hidden;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.gallery-accordion {
  display: flex;
  width: 100%;
  height: 380px;
  background: #000;
}

.gallery-card {
  flex: 1;
  position: relative;
  overflow: hidden;
  transition: flex 0.8s cubic-bezier(0.25, 1, 0.5, 1);
  cursor: pointer;
  border-right: 1px solid var(--border);
}

.gallery-card:last-child {
  border-right: none;
}

.gallery-card img {
  height: 100%;
  width: 100%;
  object-fit: cover;
  transition: transform 1s cubic-bezier(0.25, 1, 0.5, 1);
}

.overlay-text {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 1.6rem 1.4rem;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.3) 50%, transparent 100%);
  opacity: 1;
  transform: none;
  transition: padding 0.5s cubic-bezier(0.25, 1, 0.5, 1), background 0.5s cubic-bezier(0.25, 1, 0.5, 1);
  pointer-events: none;
}

.overlay-text h3 {
  font-family: var(--font-tech);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.9), 0 4px 12px rgba(0, 0, 0, 0.95);
  transition: all 0.5s cubic-bezier(0.25, 1, 0.5, 1);
}

.overlay-text p {
  font-family: var(--font-sans);
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin: 0;
  opacity: 0;
  max-height: 0;
  transform: translateY(15px);
  overflow: hidden;
  transition: opacity 0.4s cubic-bezier(0.25, 1, 0.5, 1), 
              max-height 0.4s cubic-bezier(0.25, 1, 0.5, 1), 
              transform 0.4s cubic-bezier(0.25, 1, 0.5, 1),
              margin 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

/* Desktop Hover Interactions (Screens wider than 768px) */
@media (min-width: 769px) {
  .gallery-card:hover {
    flex: 2.5;
  }
  
  .gallery-card:hover img {
    transform: scale(1.04);
  }
  
  .gallery-card:hover .overlay-text {
    padding: 2.4rem 1.8rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.98) 0%, rgba(0, 0, 0, 0.6) 70%, transparent 100%);
  }

  .gallery-card:hover .overlay-text h3 {
    font-size: 1.35rem;
    margin-bottom: 0.4rem;
  }

  .gallery-card:hover .overlay-text p {
    opacity: 1;
    max-height: 50px;
    transform: translateY(0);
    margin-top: 0.2rem !important;
  }
}

/* Mobile Stacking Configuration (Screens <= 768px) */
@media (max-width: 768px) {
  .gallery-accordion {
    flex-direction: column;
    height: auto;
  }
  .gallery-card {
    flex: none;
    width: 100%;
    height: 320px;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .gallery-card:last-child {
    border-bottom: none;
  }
  .overlay-text {
    opacity: 1 !important;
    transform: none !important;
    padding: 1.5rem !important;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.98) 0%, rgba(0, 0, 0, 0.7) 80%, transparent 100%) !important;
  }
  .overlay-text h3 {
    font-size: 1.25rem !important;
    margin-bottom: 0.4rem !important;
  }
  .overlay-text p {
    opacity: 1 !important;
    max-height: none !important;
    transform: none !important;
    margin: revert !important;
  }
}
