/* ═══════════════════════════════════════════════════
   KEYFRAMES + SCROLL-TRIGGERS DEMOS
   Prefixes: dm-kf-* (keyframes), dm-st-* (scoped via .demo-stx-*)
   Scopes:   .demo-kf-pulse | .demo-kf-float | .demo-kf-spin |
             .demo-kf-ping  | .demo-kf-wiggle |
             .demo-stx-io   | .demo-stx-gsap | .demo-stx-css | .demo-stx-aos
═══════════════════════════════════════════════════ */

/* ───────── SHARED · KEYFRAME-DEMOS ───────── */
[class*="demo-kf-"] {
  background: linear-gradient(180deg, #060b14 0%, #0a1322 60%, #060b14 100%);
  color: #fff;
  padding: 0 0 4rem;
}
[class*="demo-kf-"] .dm-kf-intro {
  max-width: 760px;
  margin: 0 auto;
  padding: 4rem 1.6rem 2.2rem;
  text-align: center;
}
.dm-kf-label {
  display: inline-block;
  font-family: 'Montserrat', sans-serif;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--green);
  padding: .35rem .9rem;
  border: 1px solid rgba(136, 206, 2, .35);
  border-radius: 999px;
  margin-bottom: 1.2rem;
}
[class*="demo-kf-"] .dm-kf-intro h2 {
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  margin-bottom: 1rem;
  color: #fff;
}
[class*="demo-kf-"] .dm-kf-intro p {
  font-size: 1.05rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, .72);
}

/* ── HERO STAGES (per demo individual) ── */
.dm-kf-hero {
  position: relative;
  max-width: 720px;
  margin: 1rem auto 3rem;
  height: 280px;
  border-radius: 18px;
  background:
    radial-gradient(circle at 50% 50%, rgba(37, 99, 235, .22), transparent 65%),
    linear-gradient(135deg, #0d1726, #0a1220);
  border: 1px solid rgba(255, 255, 255, .08);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.dm-kf-hero-cap {
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  font-family: 'Montserrat', sans-serif;
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .45);
}

/* ── CASES GRID ── */
.dm-kf-cases {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.4rem;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.6rem;
}
.dm-kf-case {
  background: #0e1828;
  border: 1px solid rgba(255, 255, 255, .07);
  border-radius: 14px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.dm-kf-case-stage {
  position: relative;
  height: 180px;
  background: linear-gradient(135deg, #0a1322, #0e1828);
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid rgba(255, 255, 255, .05);
}
.dm-kf-case-meta {
  padding: 1.2rem 1.3rem 1.4rem;
}
.dm-kf-case-tag {
  display: inline-block;
  font-family: 'Montserrat', sans-serif;
  font-size: .6rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--blue, #60a5fa);
  margin-bottom: .55rem;
}
.dm-kf-case-meta h3 {
  font-size: 1.05rem;
  margin-bottom: .45rem;
  color: #fff;
}
.dm-kf-case-meta p {
  font-size: .85rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, .65);
}

/* ── SNIPPET BLOCK ── */
.dm-kf-snippet, .dm-st-snippet {
  max-width: 880px;
  margin: 3rem auto 0;
  padding: 1.4rem 1.6rem;
  background: #050a13;
  border: 1px solid rgba(37, 99, 235, .25);
  border-radius: 12px;
}
.dm-kf-snippet-label, .dm-st-snippet-label {
  font-family: 'Montserrat', sans-serif;
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--blue, #60a5fa);
  margin-bottom: .8rem;
}
.dm-kf-snippet-code, .dm-st-snippet-code {
  font-family: 'Menlo', 'Courier New', monospace;
  font-size: .8rem;
  line-height: 1.6;
  color: #c9d6ee;
  white-space: pre;
  overflow-x: auto;
  margin: 0;
}

/* ═══════════════════════════════════════════════════
   1. PULSE
═══════════════════════════════════════════════════ */
@keyframes dm-kf-pulse {
  0%, 100% { transform: scale(1);    opacity: 1; }
  50%      { transform: scale(1.15); opacity: .55; }
}
@keyframes dm-kf-pulse-ring {
  0%   { transform: scale(.6); opacity: .8; }
  100% { transform: scale(2.2); opacity: 0; }
}
.demo-kf-pulse .dm-kf-hero-pulse {
  position: relative;
  width: 90px;
  height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.demo-kf-pulse .dm-kf-hero-pulse-dot {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #ef4444;
  box-shadow: 0 0 30px rgba(239, 68, 68, .55);
  animation: dm-kf-pulse 2s ease-in-out infinite;
}
.demo-kf-pulse .dm-kf-hero-pulse-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid rgba(239, 68, 68, .55);
  animation: dm-kf-pulse-ring 2.4s ease-out infinite;
}
.demo-kf-pulse .dm-kf-status {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  background: rgba(0, 0, 0, .4);
  border: 1px solid rgba(255, 255, 255, .08);
  padding: .55rem 1rem;
  border-radius: 999px;
  font-family: 'Montserrat', sans-serif;
  font-size: .82rem;
  color: #fff;
}
.demo-kf-pulse .dm-kf-status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ef4444;
  animation: dm-kf-pulse 1.6s ease-in-out infinite;
}
.demo-kf-pulse .dm-kf-bell {
  position: relative;
  color: #fff;
}
.demo-kf-pulse .dm-kf-bell-badge {
  position: absolute;
  top: -4px;
  right: -8px;
  min-width: 22px;
  height: 22px;
  padding: 0 6px;
  border-radius: 999px;
  background: #ef4444;
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-size: .7rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: dm-kf-pulse 1.8s ease-in-out infinite;
  box-shadow: 0 0 20px rgba(239, 68, 68, .55);
}
.demo-kf-pulse .dm-kf-mic {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  padding: .7rem 1.4rem;
  background: #ef4444;
  color: #fff;
  border: none;
  border-radius: 999px;
  font-family: 'Montserrat', sans-serif;
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  cursor: pointer;
  animation: dm-kf-pulse 1.4s ease-in-out infinite;
  box-shadow: 0 8px 30px rgba(239, 68, 68, .35);
}

/* ═══════════════════════════════════════════════════
   2. FLOAT
═══════════════════════════════════════════════════ */
@keyframes dm-kf-float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-10px); }
}
@keyframes dm-kf-float-shadow {
  0%, 100% { transform: scale(1);   opacity: .35; }
  50%      { transform: scale(.85); opacity: .2; }
}
.demo-kf-float .dm-kf-hero-float-icon {
  position: relative;
  z-index: 2;
  animation: dm-kf-float 3.5s ease-in-out infinite;
}
.demo-kf-float .dm-kf-hero-float-shadow {
  position: absolute;
  bottom: 60px;
  left: 50%;
  width: 90px;
  height: 14px;
  margin-left: -45px;
  border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(0, 0, 0, .5), transparent 70%);
  animation: dm-kf-float-shadow 3.5s ease-in-out infinite;
}
.demo-kf-float .dm-kf-stage-product { background: linear-gradient(135deg, #0d1726, #1a2440); }
.demo-kf-float .dm-kf-product {
  width: 100px;
  height: 100px;
  border-radius: 22px;
  background: linear-gradient(135deg, #2563eb, #88ce02);
  box-shadow: 0 14px 40px rgba(37, 99, 235, .35);
  animation: dm-kf-float 3s ease-in-out infinite;
}
.demo-kf-float .dm-kf-product-shadow {
  position: absolute;
  bottom: 26px;
  left: 50%;
  width: 100px;
  height: 16px;
  margin-left: -50px;
  border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(0, 0, 0, .55), transparent 70%);
  animation: dm-kf-float-shadow 3s ease-in-out infinite;
}
.demo-kf-float .dm-kf-hint {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .4rem;
  color: rgba(255, 255, 255, .8);
  font-family: 'Montserrat', sans-serif;
  font-size: .75rem;
  letter-spacing: .2em;
  text-transform: uppercase;
}
.demo-kf-float .dm-kf-hint-chev {
  animation: dm-kf-float 2s ease-in-out infinite;
}
.demo-kf-float .dm-kf-stage-balloons { padding: 0; overflow: hidden; }
.demo-kf-float .dm-kf-balloon {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, .35), transparent 60%);
}
.demo-kf-float .dm-kf-bal-1 {
  width: 55px; height: 55px;
  background-color: #2563eb;
  top: 30px; left: 50px;
  animation: dm-kf-float 4s ease-in-out infinite;
}
.demo-kf-float .dm-kf-bal-2 {
  width: 38px; height: 38px;
  background-color: #88ce02;
  top: 80px; right: 50px;
  animation: dm-kf-float 3.2s ease-in-out infinite .4s;
}
.demo-kf-float .dm-kf-bal-3 {
  width: 28px; height: 28px;
  background-color: #ef4444;
  bottom: 30px; left: 50%;
  animation: dm-kf-float 5s ease-in-out infinite .8s;
}

/* ═══════════════════════════════════════════════════
   3. SPIN
═══════════════════════════════════════════════════ */
@keyframes dm-kf-spin { to { transform: rotate(360deg); } }
@keyframes dm-kf-spin-rev { to { transform: rotate(-360deg); } }

.demo-kf-spin .dm-kf-hero-ring {
  position: absolute;
  width: 130px; height: 130px;
  border-radius: 50%;
  border: 4px solid rgba(37, 99, 235, .15);
  border-top-color: #60a5fa;
  border-right-color: #60a5fa;
  animation: dm-kf-spin 1.6s linear infinite;
}
.demo-kf-spin .dm-kf-hero-ring-inner {
  position: absolute;
  width: 80px; height: 80px;
  border-radius: 50%;
  border: 3px solid rgba(136, 206, 2, .15);
  border-bottom-color: #88ce02;
  animation: dm-kf-spin-rev 1s linear infinite;
}
.demo-kf-spin .dm-kf-stage-loaders {
  display: flex;
  gap: 2rem;
  align-items: center;
  justify-content: center;
}
.demo-kf-spin .dm-kf-loader-ring {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, .12);
  border-top-color: #60a5fa;
  animation: dm-kf-spin 1s linear infinite;
}
.demo-kf-spin .dm-kf-loader-dots {
  display: flex; gap: .35rem;
  animation: dm-kf-spin 1.4s linear infinite;
}
.demo-kf-spin .dm-kf-loader-dots span {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: #88ce02;
}
.demo-kf-spin .dm-kf-loader-dots span:nth-child(2) { background: #60a5fa; }
.demo-kf-spin .dm-kf-loader-dots span:nth-child(3) { background: #fff; }
.demo-kf-spin .dm-kf-loader-blade {
  width: 38px; height: 38px;
  border-radius: 50%;
  background:
    conic-gradient(from 0deg, transparent 0deg, #60a5fa 90deg, transparent 180deg, #88ce02 270deg, transparent 360deg);
  mask: radial-gradient(circle, transparent 40%, #000 41%);
  -webkit-mask: radial-gradient(circle, transparent 40%, #000 41%);
  animation: dm-kf-spin .8s linear infinite;
}
.demo-kf-spin .dm-kf-refresh {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  background: rgba(37, 99, 235, .15);
  color: #fff;
  border: 1px solid rgba(37, 99, 235, .35);
  border-radius: 8px;
  padding: .6rem 1.2rem;
  font-family: 'Montserrat', sans-serif;
  font-size: .82rem;
  font-weight: 600;
  cursor: pointer;
}
.demo-kf-spin .dm-kf-refresh-icon { animation: dm-kf-spin 2.5s linear infinite; }
.demo-kf-spin .dm-kf-stage-gear {
  flex-direction: column; gap: .8rem;
  color: rgba(255, 255, 255, .8);
}
.demo-kf-spin .dm-kf-gear { animation: dm-kf-spin 6s linear infinite; }
.demo-kf-spin .dm-kf-gear-label {
  font-family: 'Montserrat', sans-serif;
  font-size: .72rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .55);
}

/* ═══════════════════════════════════════════════════
   4. PING
═══════════════════════════════════════════════════ */
@keyframes dm-kf-ping {
  0%   { transform: scale(.6); opacity: .9; }
  80%, 100% { transform: scale(2.6); opacity: 0; }
}
.demo-kf-ping .dm-kf-hero-pingdot {
  position: absolute;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: #88ce02;
  box-shadow: 0 0 25px rgba(136, 206, 2, .55);
}
.demo-kf-ping .dm-kf-hero-pingring {
  position: absolute;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: rgba(136, 206, 2, .35);
  animation: dm-kf-ping 2.4s cubic-bezier(0, 0, .2, 1) infinite;
}
.demo-kf-ping .dm-kf-stage-map { background: linear-gradient(135deg, #07101e, #0a1830); padding: 0; overflow: hidden; }
.demo-kf-ping .dm-kf-map {
  position: relative;
  width: 100%;
  height: 100%;
  background:
    linear-gradient(135deg, rgba(37, 99, 235, .08), rgba(136, 206, 2, .04));
}
.demo-kf-ping .dm-kf-map-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 24px 24px;
}
.demo-kf-ping .dm-kf-map-marker {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 18px; height: 18px;
}
.demo-kf-ping .dm-kf-map-dot {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: #2563eb;
  box-shadow: 0 0 14px rgba(37, 99, 235, .8);
}
.demo-kf-ping .dm-kf-map-ping {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid rgba(37, 99, 235, .55);
  animation: dm-kf-ping 2s cubic-bezier(0, 0, .2, 1) infinite;
}
.demo-kf-ping .dm-kf-msg-icon {
  position: relative;
  color: #fff;
}
.demo-kf-ping .dm-kf-msg-badge {
  position: absolute;
  top: -6px; right: -10px;
  width: 24px; height: 24px;
  border-radius: 50%;
}
.demo-kf-ping .dm-kf-msg-badge-num {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: #ef4444;
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-size: .68rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}
.demo-kf-ping .dm-kf-msg-badge-ping {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: rgba(239, 68, 68, .6);
  animation: dm-kf-ping 1.8s cubic-bezier(0, 0, .2, 1) infinite;
}
.demo-kf-ping .dm-kf-msg-label {
  position: absolute;
  bottom: 22px;
  font-family: 'Montserrat', sans-serif;
  font-size: .75rem;
  color: rgba(255, 255, 255, .65);
}
.demo-kf-ping .dm-kf-stage-presence {
  flex-direction: column;
  gap: .8rem;
}
.demo-kf-ping .dm-kf-presence {
  position: relative;
}
.demo-kf-ping .dm-kf-presence-avatar {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2563eb, #88ce02);
  color: #fff;
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: .04em;
}
.demo-kf-ping .dm-kf-presence-status {
  position: absolute;
  bottom: 2px; right: 2px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: #88ce02;
  border: 2px solid #0e1828;
  box-shadow: 0 0 10px rgba(136, 206, 2, .8);
}
.demo-kf-ping .dm-kf-presence-ping {
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: rgba(136, 206, 2, .55);
  animation: dm-kf-ping 2.2s cubic-bezier(0, 0, .2, 1) infinite;
}
.demo-kf-ping .dm-kf-presence-meta {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-family: 'Montserrat', sans-serif;
}
.demo-kf-ping .dm-kf-presence-meta strong {
  color: #fff; font-size: .9rem; margin-bottom: .15rem;
}
.demo-kf-ping .dm-kf-presence-meta span {
  font-size: .72rem;
  color: rgba(136, 206, 2, .85);
  letter-spacing: .12em;
  text-transform: uppercase;
}

/* ═══════════════════════════════════════════════════
   5. WIGGLE
═══════════════════════════════════════════════════ */
@keyframes dm-kf-wiggle {
  0%, 100% { transform: translateX(0) rotate(0); }
  20%      { transform: translateX(-7px) rotate(-1.5deg); }
  40%      { transform: translateX(7px)  rotate(1.5deg); }
  60%      { transform: translateX(-5px); }
  80%      { transform: translateX(5px); }
}
@keyframes dm-kf-wiggle-bell {
  0%, 100% { transform: rotate(0); }
  20%      { transform: rotate(-15deg); }
  40%      { transform: rotate(12deg); }
  60%      { transform: rotate(-8deg); }
  80%      { transform: rotate(5deg); }
}
.demo-kf-wiggle .dm-kf-hero-wbox {
  width: 110px; height: 110px;
  border-radius: 18px;
  border: 2px solid rgba(239, 68, 68, .55);
  background: rgba(239, 68, 68, .08);
  color: #ef4444;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: dm-kf-wiggle .6s cubic-bezier(.36, .07, .19, .97) infinite;
  animation-delay: 0s;
  animation-iteration-count: infinite;
}
.demo-kf-wiggle .dm-kf-stage-input {
  flex-direction: column;
  align-items: stretch;
  padding: 1.2rem 1.4rem;
  gap: .55rem;
}
.demo-kf-wiggle .dm-kf-input-label {
  font-family: 'Montserrat', sans-serif;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .55);
}
.demo-kf-wiggle .dm-kf-input-wrap {
  display: flex;
  flex-direction: column;
  gap: .35rem;
}
.demo-kf-wiggle .dm-kf-input {
  background: rgba(0, 0, 0, .35);
  border: 1.5px solid #ef4444;
  color: #fff;
  padding: .6rem .8rem;
  border-radius: 6px;
  font-family: 'Montserrat', sans-serif;
  font-size: .85rem;
}
.demo-kf-wiggle .dm-kf-input-msg {
  font-family: 'Montserrat', sans-serif;
  font-size: .72rem;
  color: #ef4444;
}
.demo-kf-wiggle .dm-kf-input-btn {
  margin-top: .3rem;
  align-self: flex-start;
  background: rgba(239, 68, 68, .15);
  border: 1px solid rgba(239, 68, 68, .45);
  color: #fff;
  padding: .45rem .9rem;
  border-radius: 6px;
  font-family: 'Montserrat', sans-serif;
  font-size: .75rem;
  cursor: pointer;
}
.demo-kf-wiggle .dm-kf-stage-input.is-wiggle .dm-kf-input-wrap {
  animation: dm-kf-wiggle .5s cubic-bezier(.36, .07, .19, .97);
}
.demo-kf-wiggle .dm-kf-stage-bellring {
  flex-direction: column; gap: .6rem;
}
.demo-kf-wiggle .dm-kf-bellring {
  width: 70px; height: 70px;
  border-radius: 50%;
  background: rgba(37, 99, 235, .12);
  border: 1px solid rgba(37, 99, 235, .35);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  transform-origin: 50% 0%;
}
.demo-kf-wiggle .dm-kf-stage-bellring.is-wiggle .dm-kf-bellring {
  animation: dm-kf-wiggle-bell .55s cubic-bezier(.36, .07, .19, .97);
}
.demo-kf-wiggle .dm-kf-bellring-cap {
  font-family: 'Montserrat', sans-serif;
  font-size: .72rem;
  color: rgba(255, 255, 255, .6);
  letter-spacing: .14em;
  text-transform: uppercase;
}
.demo-kf-wiggle .dm-kf-tryagain {
  width: 86%;
  background: rgba(239, 68, 68, .08);
  border: 1px solid rgba(239, 68, 68, .35);
  border-radius: 12px;
  padding: 1rem 1.1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .35rem;
  text-align: center;
}
.demo-kf-wiggle .dm-kf-stage-tryagain.is-wiggle .dm-kf-tryagain {
  animation: dm-kf-wiggle .5s cubic-bezier(.36, .07, .19, .97);
}
.demo-kf-wiggle .dm-kf-tryagain-x {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: #ef4444;
  color: #fff;
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.demo-kf-wiggle .dm-kf-tryagain strong {
  color: #fff;
  font-family: 'Oswald', sans-serif;
  font-size: .95rem;
  text-transform: uppercase;
}
.demo-kf-wiggle .dm-kf-tryagain span {
  color: rgba(255, 255, 255, .6);
  font-family: 'Montserrat', sans-serif;
  font-size: .72rem;
}
.demo-kf-wiggle .dm-kf-tryagain button {
  margin-top: .35rem;
  background: #ef4444;
  color: #fff;
  border: none;
  padding: .4rem 1rem;
  border-radius: 6px;
  font-family: 'Montserrat', sans-serif;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  cursor: pointer;
}

/* ═══════════════════════════════════════════════════
   SHARED · SCROLL-TRIGGER DEMOS
═══════════════════════════════════════════════════ */
[class*="demo-stx-"] {
  background: #060b14;
  color: #fff;
  padding: 0 0 5rem;
}
[class*="demo-stx-"] .dm-st-intro {
  max-width: 760px;
  margin: 0 auto;
  padding: 4rem 1.6rem 2.2rem;
  text-align: center;
}
.dm-st-label {
  display: inline-block;
  font-family: 'Montserrat', sans-serif;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--blue, #60a5fa);
  padding: .35rem .9rem;
  border: 1px solid rgba(37, 99, 235, .4);
  border-radius: 999px;
  margin-bottom: 1.2rem;
}
[class*="demo-stx-"] .dm-st-intro h2 {
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  margin-bottom: 1rem;
  color: #fff;
}
[class*="demo-stx-"] .dm-st-intro p {
  font-size: 1.05rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, .72);
}
.demo-stx-gsap .dm-st-label { color: #88ce02; border-color: rgba(136, 206, 2, .45); }
.demo-stx-aos .dm-st-label  { color: #ff6b6b; border-color: rgba(255, 107, 107, .45); }

/* ═══════════════════════════════════════════════════
   STX 1. IntersectionObserver
═══════════════════════════════════════════════════ */
.demo-stx-io .dm-st-iopanel {
  position: sticky;
  top: 14px;
  margin: 0 auto 1.4rem;
  max-width: 680px;
  width: calc(100% - 2.4rem);
  z-index: 5;
  background: rgba(6, 11, 20, .92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(37, 99, 235, .35);
  border-radius: 12px;
  padding: 1rem 1.2rem;
  font-family: 'Menlo', 'Courier New', monospace;
  font-size: .8rem;
  box-shadow: 0 16px 40px rgba(0, 0, 0, .55);
}
.demo-stx-io .dm-st-iop-row {
  display: flex;
  justify-content: space-between;
  padding: .25rem 0;
  border-bottom: 1px dashed rgba(255, 255, 255, .08);
}
.demo-stx-io .dm-st-iop-row:last-of-type { border-bottom: none; }
.demo-stx-io .dm-st-iop-row span {
  color: rgba(255, 255, 255, .5);
  letter-spacing: .04em;
}
.demo-stx-io .dm-st-iop-row strong {
  color: var(--blue, #60a5fa);
  font-weight: 600;
}
.demo-stx-io .dm-st-iop-row strong.is-true { color: #88ce02; }
.demo-stx-io .dm-st-iop-row strong.is-false { color: #ef4444; }
.demo-stx-io .dm-st-iop-bar {
  margin-top: .55rem;
  height: 4px;
  border-radius: 2px;
  background: rgba(255, 255, 255, .08);
  overflow: hidden;
}
.demo-stx-io .dm-st-iop-bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, #2563eb, #60a5fa);
  width: 0%;
  transition: width .15s linear;
}
.demo-stx-io .dm-st-iolist {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}
.demo-stx-io .dm-st-iocard {
  display: flex;
  gap: 1.2rem;
  background: #0e1828;
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: 12px;
  padding: 1.4rem 1.5rem;
  transition: border-color .25s, background .25s, transform .25s;
}
.demo-stx-io .dm-st-iocard.is-active {
  border-color: rgba(37, 99, 235, .65);
  background: linear-gradient(135deg, #0e1828, #112340);
  transform: scale(1.01);
  box-shadow: 0 12px 30px rgba(37, 99, 235, .15);
}
.demo-stx-io .dm-st-iocard-num {
  font-family: 'Oswald', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--blue, #60a5fa);
  flex-shrink: 0;
}
.demo-stx-io .dm-st-iocard-body h3 {
  font-size: 1rem;
  margin-bottom: .4rem;
  color: #fff;
}
.demo-stx-io .dm-st-iocard-body p {
  font-size: .85rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, .65);
}

/* ═══════════════════════════════════════════════════
   STX 2. GSAP ScrollTrigger
═══════════════════════════════════════════════════ */
.demo-stx-gsap .dm-st-intro-gsap h2 { color: #fff; }
.demo-stx-gsap .dm-st-gsap-scrub {
  max-width: 880px;
  margin: 0 auto 4rem;
  padding: 0 1.6rem;
}
.demo-stx-gsap .dm-st-gsap-scrub-stage {
  height: 80vh;
  border-radius: 16px;
  background:
    radial-gradient(circle at 50% 50%, rgba(136, 206, 2, .15), transparent 70%),
    linear-gradient(135deg, #0a1322, #0e1828);
  border: 1px solid rgba(136, 206, 2, .25);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.demo-stx-gsap .dm-st-gsap-scrub-art {
  width: 220px;
  height: 220px;
  color: #88ce02;
  transform-origin: 50% 50%;
  will-change: transform;
}
.demo-stx-gsap .dm-st-gsap-scrub-progress {
  position: absolute;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 1rem;
  width: 70%;
  max-width: 420px;
}
.demo-stx-gsap .dm-st-gsap-scrub-track {
  flex: 1;
  height: 4px;
  border-radius: 2px;
  background: rgba(255, 255, 255, .1);
  overflow: hidden;
}
.demo-stx-gsap .dm-st-gsap-scrub-track span {
  display: block;
  height: 100%;
  background: #88ce02;
  width: 0%;
}
.demo-stx-gsap .dm-st-gsap-scrub-pct {
  font-family: 'Menlo', monospace;
  font-size: .78rem;
  color: #88ce02;
  width: 52px;
  text-align: right;
}
.demo-stx-gsap .dm-st-gsap-caption {
  text-align: center;
  margin-top: 1rem;
  font-family: 'Montserrat', sans-serif;
  font-size: .75rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .4);
}

.demo-stx-gsap .dm-st-gsap-pin-spacer {
  height: 240vh;
  position: relative;
}
.demo-stx-gsap .dm-st-gsap-pin-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0a1322, #1a2440);
  border-top: 1px solid rgba(136, 206, 2, .15);
  border-bottom: 1px solid rgba(136, 206, 2, .15);
  overflow: hidden;
}
.demo-stx-gsap .dm-st-gsap-pin-stage {
  position: relative;
  width: 86%;
  max-width: 720px;
  height: 360px;
}
.demo-stx-gsap .dm-st-gsap-pin-step {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .5s ease, transform .5s ease;
  padding: 1rem;
}
.demo-stx-gsap .dm-st-gsap-pin-step.is-active {
  opacity: 1;
  transform: translateY(0);
}
.demo-stx-gsap .dm-st-gsap-pin-num {
  font-family: 'Oswald', sans-serif;
  font-size: 4.5rem;
  font-weight: 700;
  color: #88ce02;
  line-height: 1;
  margin-bottom: .8rem;
}
.demo-stx-gsap .dm-st-gsap-pin-step h3 {
  font-size: 2rem;
  margin-bottom: .8rem;
  color: #fff;
}
.demo-stx-gsap .dm-st-gsap-pin-step p {
  max-width: 420px;
  color: rgba(255, 255, 255, .7);
  font-size: .95rem;
  line-height: 1.6;
}
.demo-stx-gsap .dm-st-gsap-pin-dots {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
}
.demo-stx-gsap .dm-st-gsap-pin-dots span {
  width: 22px;
  height: 4px;
  border-radius: 2px;
  background: rgba(255, 255, 255, .15);
  transition: background .3s, width .3s;
}
.demo-stx-gsap .dm-st-gsap-pin-dots span.is-active {
  background: #88ce02;
  width: 36px;
}

.demo-stx-gsap .dm-st-gsap-stagger {
  max-width: 720px;
  margin: 4rem auto 0;
  padding: 0 1.6rem;
}
.demo-stx-gsap .dm-st-gsap-stagger-h {
  font-size: 1.4rem;
  margin-bottom: 1.4rem;
  color: #fff;
  text-align: center;
}
.demo-stx-gsap .dm-st-gsap-stag-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: #0e1828;
  border: 1px solid rgba(136, 206, 2, .15);
  border-radius: 10px;
  padding: 1rem 1.2rem;
  margin-bottom: .9rem;
  opacity: 0;
  transform: translateY(40px);
  transition: opacity .6s ease, transform .6s ease;
}
.demo-stx-gsap .dm-st-gsap-stag-item.is-in {
  opacity: 1;
  transform: translateY(0);
}
.demo-stx-gsap .dm-st-gsap-stag-num {
  font-family: 'Oswald', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: #88ce02;
  width: 50px;
  flex-shrink: 0;
}
.demo-stx-gsap .dm-st-gsap-stag-text strong {
  display: block;
  color: #fff;
  font-family: 'Oswald', sans-serif;
  text-transform: uppercase;
  letter-spacing: .03em;
  font-size: 1rem;
  margin-bottom: .2rem;
}
.demo-stx-gsap .dm-st-gsap-stag-text span {
  font-family: 'Menlo', monospace;
  font-size: .75rem;
  color: rgba(255, 255, 255, .5);
}

/* ═══════════════════════════════════════════════════
   STX 3. CSS scroll-driven-animations
═══════════════════════════════════════════════════ */
.demo-stx-css .dm-st-cssbar {
  position: sticky;
  top: 0;
  height: 4px;
  background: rgba(255, 255, 255, .06);
  z-index: 5;
}
.demo-stx-css .dm-st-cssbar span {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #2563eb, #60a5fa, #88ce02);
}
@supports (animation-timeline: scroll()) {
  .demo-stx-css .dm-st-cssbar span {
    animation: dm-st-css-grow linear;
    animation-timeline: scroll();
    width: auto;
  }
  @keyframes dm-st-css-grow {
    from { width: 0%; }
    to   { width: 100%; }
  }
}

.demo-stx-css .dm-st-cssgrid {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 1.6rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.2rem;
}
.demo-stx-css .dm-st-csscard {
  background: #0e1828;
  border: 1px solid rgba(37, 99, 235, .2);
  border-radius: 12px;
  padding: 1.4rem 1.5rem;
  opacity: 0;
  transform: translateY(40px) scale(.96);
  transition: opacity .55s ease, transform .55s ease;
}
.demo-stx-css .dm-st-csscard.is-in {
  opacity: 1;
  transform: translateY(0) scale(1);
}
@supports (animation-timeline: view()) {
  .demo-stx-css .dm-st-csscard {
    animation: dm-st-css-morph linear both;
    animation-timeline: view();
    animation-range: entry 0% cover 30%;
    opacity: 0;
    transform: translateY(40px) scale(.96);
  }
  @keyframes dm-st-css-morph {
    to { opacity: 1; transform: translateY(0) scale(1); }
  }
}
.demo-stx-css .dm-st-csscard-bar {
  height: 5px;
  border-radius: 2px;
  background: linear-gradient(90deg,
    hsl(calc(220deg + var(--accent-shift, 0deg)), 80%, 60%),
    hsl(calc(150deg + var(--accent-shift, 0deg)), 70%, 55%));
  margin-bottom: 1rem;
}
.demo-stx-css .dm-st-csscard h3 {
  font-size: 1.05rem;
  margin-bottom: .4rem;
  color: #fff;
}
.demo-stx-css .dm-st-csscard p {
  font-size: .82rem;
  line-height: 1.55;
  color: rgba(255, 255, 255, .65);
}
.demo-stx-css .dm-st-csscard-meta {
  margin-top: .8rem;
  font-family: 'Menlo', monospace;
  font-size: .68rem;
  color: rgba(96, 165, 250, .7);
  letter-spacing: .04em;
}

/* ═══════════════════════════════════════════════════
   STX 4. AOS Scroll Reveal
═══════════════════════════════════════════════════ */
.demo-stx-aos .dm-st-intro-aos h2 { color: #fff; }
.demo-stx-aos .dm-st-aosgrid {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 1.6rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.2rem;
}
.demo-stx-aos .dm-st-aos-item {
  background: #0e1828;
  border: 1px solid rgba(255, 107, 107, .18);
  border-radius: 12px;
  padding: 1.4rem 1.5rem;
  transition: opacity .7s ease, transform .7s ease;
  opacity: 0;
  will-change: transform, opacity;
}
.demo-stx-aos .dm-st-aos-item[data-aos="fade-up"]    { transform: translateY(50px); }
.demo-stx-aos .dm-st-aos-item[data-aos="fade-down"]  { transform: translateY(-50px); }
.demo-stx-aos .dm-st-aos-item[data-aos="fade-left"]  { transform: translateX(50px); }
.demo-stx-aos .dm-st-aos-item[data-aos="fade-right"] { transform: translateX(-50px); }
.demo-stx-aos .dm-st-aos-item[data-aos="zoom-in"]    { transform: scale(.7); }
.demo-stx-aos .dm-st-aos-item[data-aos="zoom-out"]   { transform: scale(1.25); }
.demo-stx-aos .dm-st-aos-item[data-aos="flip-left"]  { transform: perspective(900px) rotateY(-90deg); }
.demo-stx-aos .dm-st-aos-item[data-aos="flip-up"]    { transform: perspective(900px) rotateX(90deg); }

.demo-stx-aos .dm-st-aos-item.aos-animate {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1) rotate(0) !important;
}
.demo-stx-aos .dm-st-aos-num {
  font-family: 'Oswald', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: #ff6b6b;
  margin-bottom: .6rem;
}
.demo-stx-aos .dm-st-aos-item h3 {
  font-size: 1rem;
  margin-bottom: .4rem;
  color: #fff;
}
.demo-stx-aos .dm-st-aos-item p {
  font-size: .82rem;
  line-height: 1.55;
  color: rgba(255, 255, 255, .65);
}
.demo-stx-aos .dm-st-aos-meta {
  margin-top: .8rem;
  font-family: 'Menlo', monospace;
  font-size: .68rem;
  color: rgba(255, 107, 107, .7);
}