#scroll-intro {
  position: relative;
  height: 650vh;
}

#si-stage {
  position: sticky;
  top: 0;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  background: linear-gradient(135deg, #0D1B2A 0%, #1c2f45 45%, #c45e00 100%);
}

/* Grain/noise overlay for polish */
#si-stage::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 100;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 128px 128px;
  mix-blend-mode: overlay;
}

/* ---- Review cards: Groww-style gapless wallpaper grid ---- */
#si-review-ring {
  position: absolute;
  inset: 0;
  z-index: 8;
  pointer-events: none;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-template-rows: repeat(6, 1fr);
  gap: 0;
  overflow: hidden;
  -webkit-mask-image: radial-gradient(ellipse 56% 58% at center, transparent 0%, transparent 14%, black 70%);
  mask-image: radial-gradient(ellipse 56% 58% at center, transparent 0%, transparent 14%, black 70%);
}

/* ---- Soft center vignette — sits between the grid and the headline,
         creates atmospheric depth so the text feels like it's emerging
         from the cards rather than sitting hard on top of them ---- */
#si-vignette {
  position: absolute;
  inset: 0;
  z-index: 10;
  pointer-events: none;
  background: radial-gradient(
    ellipse 60% 62% at center,
    rgba(13, 27, 42, 0.94) 0%,
    rgba(13, 27, 42, 0.75) 35%,
    rgba(13, 27, 42, 0.35) 60%,
    transparent 85%
  );
}

/* ---- Flattens the diagonal gradient to solid dark before map/globe scenes ---- */
#si-stage-fade {
  position: absolute;
  inset: 0;
  z-index: 9;
  pointer-events: none;
  background: #0B1422;
  opacity: 0;
}

.si-rcard {
  position: relative;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 0;
  padding: 0.35rem 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  opacity: 0;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  width: 100%;
  height: 100%;
  box-sizing: border-box;
  overflow: hidden;
  transform: none !important;
  pointer-events: none;
  justify-content: center;
}

.si-rcard-header {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}
.si-rcard-av {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .45rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
  opacity: 0.6;
  font-family: 'Plus Jakarta Sans', sans-serif;
}
.si-rcard-name {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: .6rem;
  font-weight: 600;
  color: rgba(255,255,255,.45);
  line-height: 1.2;
}
.si-rcard-city {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: .5rem;
  color: rgba(255,255,255,.22);
}
.si-rcard-q {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: .6rem;
  color: rgba(255,255,255,.32);
  line-height: 1.4;
  font-style: italic;
}
.si-rcard-outcome {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: .52rem;
  font-weight: 600;
  color: rgba(245,154,30,.35);
  margin-top: 0.3rem;
  padding-top: 0.3rem;
  border-top: 1px solid rgba(255,255,255,.05);
}


#si-headline-wrap {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 12;
  pointer-events: none;
  text-align: center;
}

#si-line-top {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(2.8rem, 5.5vw, 5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: #fff;
  line-height: 1.05;
  display: block;
}

#si-line-bottom {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(2.8rem, 5.5vw, 5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  font-style: italic;
  color: #F59A1E;
  line-height: 1.05;
  display: block;
  min-height: 1.1em;
}

#si-cursor {
  display: inline-block;
  width: 3px;
  height: 0.82em;
  background: #F59A1E;
  border-radius: 2px;
  margin-left: 3px;
  vertical-align: text-bottom;
  animation: si-blink 1s step-end infinite;
}
@keyframes si-blink { 50% { opacity: 0; } }

.si-shimmer-text {
  background: linear-gradient(
    90deg,
    #ffffff 0%,
    #ffffff 28%,
    #7ab8d8 40%,
    #3d8fb8 50%,
    #7ab8d8 60%,
    #ffffff 72%,
    #ffffff 100%
  );
  background-size: 300% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  display: inline;
  animation: about-title-ripple 10s ease-in-out infinite;
  animation-delay: 0.5s;
}
@keyframes about-title-ripple {
  0%   { background-position: 150% 0; }
  40%  { background-position: -50% 0; }
  50%  { background-position: -50% 0; }
  90%  { background-position: 150% 0; }
  100% { background-position: 150% 0; }
}

#si-brand-wrap {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 13;
  opacity: 0;
  pointer-events: none;
}

#si-brand-inner {
  position: relative;
  display: inline-block;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(4rem, 8vw, 7rem);
  font-weight: 800;
  letter-spacing: -0.05em;
  white-space: nowrap;
  color: transparent;
}

#si-brand-inner::after {
  content: 'PingMentor';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, #E16C00 0%, #F59A1E 30%, #c8d8e8 60%, #87C5EA 80%, #253C96 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font: inherit;
  white-space: nowrap;
}

#si-ripple-container {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 20;
  overflow: hidden;
}

.si-ripple-ring {
  position: absolute;
  border-radius: 50%;
  border: 1.5px solid rgba(135,197,234,0.55);
  transform: translate(-50%, -50%) scale(0);
  opacity: 0;
  pointer-events: none;
  width: 20px;
  height: 20px;
}

#si-split {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: stretch;
  z-index: 15;
  opacity: 0;
  pointer-events: none;
}

/* Allow clicking the globe canvas & feed even though parent is pointer-events:none */
#si-globe-wrap, #si-globe-canvas {
  pointer-events: all;
}

#si-left {
  flex: 1.1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 16px 32px;
  position: relative;
}

#si-map-wrap {
  position: relative;
  width: min(460px, 50vw);
  height: min(540px, 58vw);
}

/* Globe overlay — spans full width of #si-split, centered */
#si-globe-wrap {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 3rem;
  padding: 60px 4rem 2rem;
  opacity: 0;
  z-index: 2;
}

#si-globe-center {
  position: relative;
  flex-shrink: 0;
}

#si-globe-canvas {
  width: min(400px, 44vw);
  height: min(400px, 44vw);
  cursor: grab;
  display: block;
}
#si-globe-canvas:active { cursor: grabbing; }

/* India ping tooltip */
#si-india-label {
  position: absolute;
  background: rgba(245,154,30,0.92);
  color: #fff;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.25s ease;
  white-space: nowrap;
  transform: translate(-50%, -140%);
  z-index: 2;
}
#si-india-label.visible { opacity: 1; }

#si-globe-right {
  max-width: 380px;
  min-width: 280px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

#si-tagline-2 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(1.5rem, 2.8vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.15;
  color: #fff;
  opacity: 0;
  transform: translateY(16px);
  flex-shrink: 0;
}
#si-tagline-2 em { font-style: italic; color: #F59A1E; }

#si-subline-2 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(0.825rem, 1.3vw, 0.95rem);
  color: rgba(255,255,255,0.5);
  line-height: 1.75;
  opacity: 0;
  transform: translateY(12px);
  flex-shrink: 0;
}

/* Vertical marquee feed */
#si-globe-feed {
  height: 200px;
  flex-shrink: 0;
  overflow: hidden;
  position: relative;
  pointer-events: all;
  mask-image: linear-gradient(to bottom, transparent 0%, black 12%, black 88%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, black 12%, black 88%, transparent 100%);
}

#si-globe-feed-track {
  display: flex;
  flex-direction: column;
  gap: 0;
  animation: si-marquee-v 18s linear infinite;
}

#si-globe-feed:hover #si-globe-feed-track {
  animation-play-state: paused;
}

@keyframes si-marquee-v {
  0%   { transform: translateY(0); }
  100% { transform: translateY(-50%); }
}

.si-gfeed-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.5rem;
  align-items: baseline;
  padding: 0.6rem 0.25rem;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.82rem;
  color: rgba(255,255,255,.6);
  line-height: 1.5;
  border-bottom: 1px solid rgba(255,255,255,.05);
  flex-shrink: 0;
}
.si-gfeed-item strong {
  color: #F59A1E;
  font-weight: 700;
  white-space: nowrap;
}
.si-gfeed-item span {
  white-space: normal;
}

#si-india-svg {
  width: 100%;
  height: 100%;
}

#si-conn-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: visible;
}

.si-ping {
  position: absolute;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.si-ping-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #F59A1E;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  opacity: 0;
}

.si-ping-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  border: 1.5px solid rgba(245,154,30,0.7);
  transform: translate(-50%, -50%);
  animation: si-ping-anim 2.2s ease-out infinite;
  opacity: 0;
}
.si-ping-ring:nth-child(3) { animation-delay: 0.55s; }
.si-ping-ring:nth-child(4) { animation-delay: 1.1s; }

@keyframes si-ping-anim {
  0%   { transform: translate(-50%,-50%) scale(1); opacity: 0.8; }
  100% { transform: translate(-50%,-50%) scale(6); opacity: 0; }
}

/* tweet popup cards */
.si-tweet {
  position: absolute;
  background: rgba(10,20,35,0.92);
  border: 1px solid rgba(255,255,255,0.13);
  border-radius: 11px;
  padding: 0.55rem 0.8rem;
  min-width: 170px;
  max-width: 210px;
  pointer-events: none;
  opacity: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
  /* no CSS transition — GSAP controls all animation */
}
.si-tweet.visible {
  /* opacity set by GSAP, but keep this as a fallback */
  opacity: 1;
}
.si-tweet-header {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 0.3rem;
}
.si-tweet-av {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: #253C96;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.55rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
  font-family: 'Plus Jakarta Sans', sans-serif;
}
.si-tweet-name {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.68rem;
  font-weight: 700;
  color: rgba(255,255,255,0.9);
}
.si-tweet-city {
  font-size: 0.6rem;
  color: rgba(255,255,255,0.38);
  font-family: 'Plus Jakarta Sans', sans-serif;
}
.si-tweet-text {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.7rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.5;
  font-style: italic;
}

#si-right {
  flex: 0.9;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 4rem 3rem 2rem;
  position: relative;
}

#si-tagline {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(1.6rem, 3vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.15;
  color: #fff;
  margin-bottom: 1.25rem;
  opacity: 0;
  transform: translateY(20px);
}
#si-tagline em { font-style: italic; color: #F59A1E; }

#si-subline {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(0.875rem, 1.4vw, 1rem);
  color: rgba(255,255,255,0.55);
  line-height: 1.75;
  max-width: 370px;
  margin-bottom: 2rem;
  opacity: 0;
  transform: translateY(14px);
}

@media (max-width: 1100px) {
  .si-rcard-q { font-size: 0.55rem; }
}

@media (max-width: 900px) {
  #si-split { flex-direction: column; }
  #si-left  { flex: none; height: 50vh; padding: 80px 16px 8px; }
  #si-right { flex: none; padding: 1rem 2rem 2rem; }
  #si-map-wrap { width: min(220px, 55vw); height: min(260px, 65vw); }
  #si-globe-wrap { flex-direction: column; gap: 1.5rem; padding: 5rem 1.5rem 1.5rem; }
  #si-globe-canvas { width: min(240px, 60vw) !important; height: min(240px, 60vw) !important; }
  #si-globe-right { max-width: 100%; }
  #si-review-ring { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 600px) {
  #si-review-ring { grid-template-columns: repeat(2, 1fr); }
  #si-line-top, #si-line-bottom { font-size: clamp(2rem, 8vw, 3rem); }
  #si-brand-inner { font-size: clamp(2.5rem, 10vw, 4.5rem); }
  #si-right { padding: 1rem 1.5rem; }
}