.sp-root {
  background: #080f2e;
  padding: 72px 0 80px;
  position: relative;
  overflow: hidden;
}
.sp-fade-top {
  position: absolute; top: 0; left: 0; right: 0; height: 120px;
  background: linear-gradient(to bottom, #060b24, transparent);
  pointer-events: none; z-index: 1;
}
.sp-fade-bottom {
  position: absolute; bottom: 0; left: 0; right: 0; height: 120px;
  background: linear-gradient(to top, #060b24, transparent);
  pointer-events: none; z-index: 1;
}
.sp-inner {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 48px;
  position: relative; z-index: 2;
}

/* header */
.sp-header { text-align: center; margin-bottom: 64px; }
.sp-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-space); font-size: 11px; font-weight: 700;
  letter-spacing: 0.2em; text-transform: uppercase; color: #c0f43c;
  border: 1px solid rgba(192,244,60,0.3); padding: 6px 20px;
  border-radius: 100px; margin-bottom: 22px;
}
.sp-eye-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: #c0f43c; box-shadow: 0 0 8px #c0f43c;
}
.sp-h2 {
  font-family: var(--font-space);
  font-size: clamp(32px, 4vw, 56px);
  font-weight: 800; color: #fff;
  letter-spacing: -0.025em; line-height: 1.1; margin-bottom: 16px;
}
.sp-h2-grad {
  background: linear-gradient(100deg, #1b9ad6, #c0f43c);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.sp-sub {
  font-family: var(--font-inter); font-size: 16px;
  color: rgba(255,255,255,0.70); max-width: 480px; margin: 0 auto;
}

/* carousel wrapper */
.sp-carousel {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  position: relative;
  margin-bottom: 40px;
}

/* arrows */
.sp-arrow {
  width: 52px; height: 52px; border-radius: 50%;
  background: rgba(255,255,255,0.06);
  border: 1.5px solid rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.7);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; flex-shrink: 0;
  transition: background 0.2s, border-color 0.2s, color 0.2s, transform 0.2s;
  z-index: 10;
}
.sp-arrow:hover {
  background: rgba(27,154,214,0.18);
  border-color: #1b9ad6;
  color: #fff;
  transform: scale(1.08);
}
.sp-arrow-left { margin-right: 28px; }
.sp-arrow-right { margin-left: 28px; }

/* track */
.sp-track {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  perspective: 1200px;
}

/* cards */
.sp-card {
  border-radius: 24px;
  overflow: hidden;
  flex-shrink: 0;
  transition: transform 0.42s cubic-bezier(0.4,0,0.2,1),
              opacity 0.42s ease,
              box-shadow 0.42s ease,
              filter 0.42s ease;
  position: relative;
}

/* center card */
.sp-card-center {
  width: 300px;
  transform: scale(1) translateZ(0);
  opacity: 1;
  z-index: 3;
  box-shadow:
    0 0 0 1.5px rgba(27,154,214,0.5),
    0 0 40px rgba(27,154,214,0.2),
    0 30px 60px rgba(0,0,0,0.5);
  filter: none;
  cursor: default;
}

/* side cards */
.sp-card-side {
  width: 240px;
  opacity: 0.55;
  z-index: 2;
  filter: brightness(0.7);
  cursor: pointer;
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}
.sp-card-left  { transform: scale(0.88) translateX(20px) rotateY(8deg); }
.sp-card-right { transform: scale(0.88) translateX(-20px) rotateY(-8deg); }
.sp-card-side:hover { opacity: 0.8; filter: brightness(0.85); }

/* photo */
.sp-photo {
  position: relative;
  height: 380px;
  background: #0a1030;
  overflow: hidden;
}
.sp-card-side .sp-photo { height: 320px; }

.sp-photo-grad {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(to bottom,
    transparent 35%,
    rgba(4,8,28,0.6) 65%,
    rgba(4,8,28,0.95) 100%
  );
}

.sp-keynote {
  position: absolute; top: 14px; right: 14px; z-index: 3;
  font-family: var(--font-space); font-size: 9px; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase;
  background: #c0f43c; color: #1a1f4e;
  padding: 4px 10px; border-radius: 100px;
}

.sp-glow-ring {
  position: absolute; inset: 0; z-index: 2;
  border-radius: 0;
  box-shadow: inset 0 0 30px rgba(27,154,214,0.15);
  pointer-events: none;
}

/* info */
.sp-info {
  background: linear-gradient(180deg, #060e30 0%, #040820 100%);
  padding: 20px 22px 24px;
  position: relative; z-index: 2;
}
.sp-name {
  font-family: var(--font-space); font-size: 16px; font-weight: 700;
  color: #fff; margin-bottom: 4px;
}
.sp-card-side .sp-name { font-size: 13px; }
.sp-title {
  font-family: var(--font-inter); font-size: 12px;
  color: rgba(255,255,255,0.70); margin-bottom: 3px; line-height: 1.4;
}
.sp-org {
  font-family: var(--font-inter); font-size: 12px; font-weight: 600;
  color: #1b9ad6; margin-bottom: 16px;
}
.sp-card-side .sp-org { margin-bottom: 0; }

.sp-profile-btn {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-space); font-size: 11px; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: #c0f43c;
  border: 1px solid rgba(192,244,60,0.35);
  padding: 7px 16px; border-radius: 100px;
  transition: background 0.18s, border-color 0.18s;
  text-decoration: none;
}
.sp-profile-btn:hover {
  background: rgba(192,244,60,0.12);
  border-color: #c0f43c;
  box-shadow: 0 0 14px rgba(192,244,60,0.35);
}

/* dots */
.sp-dots {
  display: flex; justify-content: center; gap: 8px; margin-bottom: 40px;
}
.sp-dot {
  width: 24px; height: 4px; border-radius: 100px;
  background: rgba(255,255,255,0.15);
  border: none; cursor: pointer;
  transition: background 0.3s, width 0.3s;
}
.sp-dot-active {
  width: 40px;
  background: #1b9ad6;
}

/* view all */
.sp-footer { text-align: center; }
.sp-all-btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-space); font-size: 13px; font-weight: 700;
  color: rgba(255,255,255,0.6);
  border: 1.5px solid rgba(255,255,255,0.15);
  padding: 13px 32px; border-radius: 100px;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
  text-decoration: none;
}
.sp-all-btn:hover {
  color: #fff; border-color: rgba(255,255,255,0.5);
  background: rgba(255,255,255,0.07);
  box-shadow: 0 0 20px rgba(255,255,255,0.08);
}

/* ── Take The Stage ── */
.sp-stage {
  display: flex; align-items: stretch;
  margin-top: 32px;
  border-radius: 20px; overflow: hidden;
  border: 1px solid rgba(192,244,60,0.25);
  transition: border-color 0.3s, box-shadow 0.3s;
}
.sp-stage:hover {
  border-color: rgba(192,244,60,0.45);
  box-shadow: 0 0 0 1px rgba(192,244,60,0.12), 0 0 32px rgba(192,244,60,0.20), 0 8px 40px rgba(0,0,0,0.3);
}
.sp-stage-accent {
  background: linear-gradient(160deg, #1b9ad6 0%, #4fc89a 60%, #c0f43c 100%);
  display: flex; align-items: center; justify-content: center;
  padding: 0 32px; flex-shrink: 0;
}
.sp-stage-body {
  flex: 1;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  background: rgba(192,244,60,0.06);
  padding: 28px 36px;
}
.sp-stage-text { display: flex; flex-direction: column; gap: 5px; }
.sp-stage-title {
  font-family: var(--font-space); font-size: 18px; font-weight: 800;
  color: #fff; letter-spacing: -0.01em;
}
.sp-stage-sub {
  font-family: var(--font-inter); font-size: 13.5px; line-height: 1.5;
  color: rgba(255,255,255,0.78);
}
.sp-stage-btn {
  display: inline-flex; align-items: center; gap: 8px; flex-shrink: 0;
  font-family: var(--font-space); font-size: 12px; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase; text-decoration: none;
  color: #1a1f4e; background: #c0f43c;
  padding: 13px 26px; border-radius: 100px;
  transition: background 0.2s, transform 0.2s;
}
.sp-stage-btn:hover { background: #d4ff5a; transform: translateY(-2px); box-shadow: 0 0 20px rgba(192,244,60,0.5), 0 8px 24px rgba(192,244,60,0.25); }
@media (max-width: 700px) {
  .sp-stage { flex-direction: column; }
  .sp-stage-accent { padding: 18px 24px; justify-content: flex-start; }
  .sp-stage-body { flex-direction: column; align-items: flex-start; padding: 24px; gap: 16px; }
  .sp-stage-btn { width: 100%; justify-content: center; }
}

/* reveal */
.sp-reveal {
  opacity: 0; transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.sp-visible { opacity: 1; transform: none; }
.sp-reveal:nth-child(2) { transition-delay: 0.1s; }
.sp-reveal:nth-child(3) { transition-delay: 0.18s; }
.sp-reveal:nth-child(4) { transition-delay: 0.24s; }

/* responsive */
@media (max-width: 860px) {
  .sp-card-side { display: none; }
  .sp-card-center { width: 280px; }
  .sp-arrow-left { margin-right: 16px; }
  .sp-arrow-right { margin-left: 16px; }
}
@media (max-width: 480px) {
  .sp-inner { padding: 0 16px; }
  .sp-card-center { width: 240px; }
  .sp-photo { height: 300px; }
  .sp-arrow { width: 40px; height: 40px; }
  .sp-arrow-left { margin-right: 10px; }
  .sp-arrow-right { margin-left: 10px; }
}
@media (max-width: 360px) {
  .sp-card-center { width: 200px; }
  .sp-arrow { width: 36px; height: 36px; }
  .sp-arrow-left { margin-right: 6px; }
  .sp-arrow-right { margin-left: 6px; }
}