/* ============================================================
   TECHNOCAST FOUNDRY — Hero Slider (slider.css)
   Cinematic 4-slide auto-playing carousel.
   Tokens: all vars come from v2.css :root. No new forks.
   ============================================================ */

/* ─── Section wrapper ─────────────────────────────────────── */
.tcf-slider {
  position: relative;
  width: 100%;
  /* Full-viewport hero — push content below fixed nav */
  height: 100svh;
  min-height: 560px;
  overflow: hidden;
  background: var(--ink);
}

/* Live-region for screen readers — positioned off-screen */
.tcf-slider__live {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
  z-index: 50;
}

/* ─── Slide track ─────────────────────────────────────────── */
.tcf-slider__track {
  position: absolute;
  inset: 0;
}

/* ─── Individual slide ────────────────────────────────────── */
.tcf-slide {
  position: absolute;
  inset: 0;
  /* Default: hidden, fully transparent */
  opacity: 0;
  /* pointer-events off for inactive slides so tab focus can't reach them */
  pointer-events: none;
  /* Transition: crossfade only (parallax handled via transform on bg layer) */
  transition: opacity 1000ms var(--ease-out-expo);
  will-change: opacity;
}

/* Active slide */
.tcf-slide.is-active {
  opacity: 1;
  pointer-events: auto;
  z-index: 2;
}

/* Exiting slide (previous): stays visible momentarily, then fades */
.tcf-slide.is-exiting {
  opacity: 0;
  z-index: 1;
  pointer-events: none;
  transition: opacity 1000ms var(--ease-out-expo);
}

/* ─── Slide background layer ──────────────────────────────── */
/*
   The .tcf-slide__bg holds the CSS gradient scene + the real photo slot.
   To swap in a real photo, uncomment the background-image var on each
   slide variant below and point it at your image.
   The Ken Burns scale/translate is applied here via the .tcf-slide__bg
   element when its parent slide is .is-active.
*/
.tcf-slide__bg {
  position: absolute;
  inset: -5%; /* slight oversize so KB zoom doesn't expose edges */
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  transform-origin: center center;
  will-change: transform;
  /* Ken Burns: starts at scale(1), animates to scale(1.08) over the slide duration */
  transform: scale(1) translate(0, 0);
}

/* Ken Burns active — triggered by JS adding .kb-play on the bg layer */
.tcf-slide__bg.kb-play {
  animation: kbZoom 10s var(--ease-out-expo) forwards;
}

@keyframes kbZoom {
  0%   { transform: scale(1.00) translate(0%, 0%); }
  100% { transform: scale(1.09) translate(-1.5%, -1%); }
}

/* Slide 2: pan right */
.tcf-slide[data-slide="2"] .tcf-slide__bg.kb-play {
  animation-name: kbZoom2;
}
@keyframes kbZoom2 {
  0%   { transform: scale(1.00) translate(0%, 0%); }
  100% { transform: scale(1.08) translate(1.5%, -0.8%); }
}

/* Slide 3: subtle zoom from center */
.tcf-slide[data-slide="3"] .tcf-slide__bg.kb-play {
  animation-name: kbZoom3;
}
@keyframes kbZoom3 {
  0%   { transform: scale(1.02) translate(0%, 0%); }
  100% { transform: scale(1.10) translate(0%, 0.8%); }
}

/* Slide 4: pan down-left */
.tcf-slide[data-slide="4"] .tcf-slide__bg.kb-play {
  animation-name: kbZoom4;
}
@keyframes kbZoom4 {
  0%   { transform: scale(1.00) translate(0.5%, 0%); }
  100% { transform: scale(1.07) translate(-1%, 1%); }
}

/* ================================================================
   SLIDE BACKGROUND SCENES — Pure CSS until real photos are swapped in
   ================================================================

   HOW TO SWAP IN REAL PHOTOS:
   In each .tcf-slide[data-slide="N"] .tcf-slide__bg below,
   un-comment the background-image declaration and replace
   'YOUR-IMAGE.jpg' with your actual file path, e.g.:
     background-image: url('assets/img/slide-1-molten-pour.jpg');
   The gradients in ::before and ::after will then act as a
   color overlay on top of the photo.

   ================================================================ */

/* ── Slide 1: Molten Iron ─── */
/* PHOTO SLOT: Replace with slide photo — molten iron pour / ladle pouring */
/* background-image: url('assets/img/slide-1-molten-pour.jpg'); */
.tcf-slide[data-slide="1"] .tcf-slide__bg {
  background:
    /* Deep heat bloom from center-right — simulates furnace glow */
    radial-gradient(ellipse 70% 70% at 62% 52%, rgba(194, 65, 12, 0.55) 0%, rgba(232, 129, 26, 0.25) 35%, transparent 65%),
    /* Secondary hot-spot: top specular */
    radial-gradient(ellipse 40% 30% at 68% 38%, rgba(255, 178, 77, 0.35) 0%, transparent 55%),
    /* Deep blue base — the furnace room */
    radial-gradient(ellipse 100% 80% at 35% 60%, rgba(30, 90, 168, 0.3) 0%, transparent 60%),
    linear-gradient(160deg, #0B1E42 0%, #0A2148 35%, #12130F 100%);
}

/* Noise texture overlay */
.tcf-slide[data-slide="1"] .tcf-slide__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
  background-size: 256px 256px;
  opacity: 0.5;
  pointer-events: none;
  mix-blend-mode: overlay;
}

/* Molten vignette: dark edges draw eye to glow center */
.tcf-slide[data-slide="1"] .tcf-slide__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 85% 85% at 50% 50%, transparent 40%, rgba(6, 11, 24, 0.7) 100%);
  pointer-events: none;
}

/* ── Slide 2: Precision Castings ─── */
/* PHOTO SLOT: Replace with slide photo — grey/ductile iron castings close-up */
/* background-image: url('assets/img/slide-2-precision-castings.jpg'); */
.tcf-slide[data-slide="2"] .tcf-slide__bg {
  background:
    /* Cool precise tones — blueprint feel */
    radial-gradient(ellipse 60% 70% at 30% 50%, rgba(18, 56, 111, 0.55) 0%, transparent 60%),
    radial-gradient(ellipse 45% 45% at 72% 42%, rgba(30, 90, 168, 0.3) 0%, transparent 55%),
    /* Faint engineering grid overlay — blueprint aesthetic */
    linear-gradient(rgba(30, 90, 168, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 90, 168, 0.04) 1px, transparent 1px),
    linear-gradient(155deg, #0A1F3E 0%, #0B2A5B 45%, #091629 100%);
  background-size: auto, auto, 48px 48px, 48px 48px, auto;
}

/* Precision vignette */
.tcf-slide[data-slide="2"] .tcf-slide__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 80% at 50% 50%, transparent 35%, rgba(5, 10, 22, 0.65) 100%),
    linear-gradient(to right, rgba(5, 10, 22, 0.4) 0%, transparent 30%, transparent 70%, rgba(5, 10, 22, 0.4) 100%);
  pointer-events: none;
}

/* Grid noise for precision slide */
.tcf-slide[data-slide="2"] .tcf-slide__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.025'/%3E%3C/svg%3E");
  background-size: 256px 256px;
  opacity: 0.4;
  pointer-events: none;
  mix-blend-mode: screen;
}

/* ── Slide 3: Capabilities / Molding Lines ─── */
/* PHOTO SLOT: Replace with slide photo — automated molding line / production floor */
/* background-image: url('assets/img/slide-3-molding-lines.jpg'); */
.tcf-slide[data-slide="3"] .tcf-slide__bg {
  background:
    radial-gradient(ellipse 55% 60% at 70% 55%, rgba(194, 65, 12, 0.2) 0%, transparent 55%),
    radial-gradient(ellipse 80% 50% at 20% 50%, rgba(11, 42, 91, 0.6) 0%, transparent 65%),
    radial-gradient(ellipse 50% 40% at 50% 90%, rgba(10, 33, 72, 0.8) 0%, transparent 60%),
    linear-gradient(135deg, #08172E 0%, #0B2A5B 40%, #0E1A30 100%);
}

/* Industrial depth vignette */
.tcf-slide[data-slide="3"] .tcf-slide__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 75% 75% at 50% 50%, transparent 30%, rgba(5, 10, 22, 0.72) 100%);
  pointer-events: none;
}

.tcf-slide[data-slide="3"] .tcf-slide__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  background-size: 256px 256px;
  opacity: 0.45;
  pointer-events: none;
  mix-blend-mode: overlay;
}

/* ── Slide 4: Certified Quality ─── */
/* PHOTO SLOT: Replace with slide photo — QC lab / inspection / CMM measurement */
/* background-image: url('assets/img/slide-4-quality-inspection.jpg'); */
.tcf-slide[data-slide="4"] .tcf-slide__bg {
  background:
    /* Clean, controlled tones — sterile QC environment feel */
    radial-gradient(ellipse 50% 55% at 55% 48%, rgba(18, 56, 111, 0.4) 0%, transparent 58%),
    radial-gradient(ellipse 35% 35% at 20% 30%, rgba(255, 178, 77, 0.08) 0%, transparent 50%),
    linear-gradient(175deg, #071528 0%, #0B2A5B 50%, #0A2148 100%);
}

/* Quality: diagonal sheen — precision and transparency */
.tcf-slide[data-slide="4"] .tcf-slide__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(30, 90, 168, 0.1) 0%, transparent 50%, rgba(5, 10, 22, 0.6) 100%),
    radial-gradient(ellipse 80% 80% at 50% 50%, transparent 40%, rgba(5, 10, 22, 0.6) 100%);
  pointer-events: none;
}

.tcf-slide[data-slide="4"] .tcf-slide__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.025'/%3E%3C/svg%3E");
  background-size: 256px 256px;
  opacity: 0.35;
  pointer-events: none;
  mix-blend-mode: screen;
}

/* ─── Slide 1 specific: Ember canvas ─────────────────────── */
/* Ember particles for slide 1 only — canvas lives inside the slide */
.tcf-slide__ember-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

/* ─── Slide: Foreground overlay ───────────────────────────── */
/* Dark gradient from left — ensures text always readable on any photo */
.tcf-slide__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg,
      rgba(10, 33, 72, 0.88) 0%,
      rgba(10, 33, 72, 0.65) 40%,
      rgba(10, 33, 72, 0.1) 70%,
      transparent 100%
    ),
    linear-gradient(to top,
      rgba(5, 10, 22, 0.5) 0%,
      transparent 40%
    );
  z-index: 2;
  pointer-events: none;
}

/* ─── Slide: Content area ─────────────────────────────────── */
.tcf-slide__content {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  /* Push content down to clear the fixed nav */
  padding-top: calc(var(--nav-h) + 2.5rem);
  padding-bottom: 7rem; /* headroom for progress bar + dots */
}

.tcf-slide__inner {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.tcf-slide__copy {
  max-width: 640px;
}

/* ── Eyebrow ── */
.tcf-slide__eyebrow {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--molten);
  margin-bottom: 1.25rem;
  /* Staggered in-animation */
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 700ms var(--ease-out-expo), transform 700ms var(--ease-out-expo);
}
.tcf-slide__eyebrow::before {
  content: '';
  display: block;
  width: 28px;
  height: 1px;
  background: var(--molten);
  flex-shrink: 0;
}

/* ── Headline ── */
.tcf-slide__headline {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6.5vw, 5.5rem);
  line-height: 0.95;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  color: var(--white);
  font-weight: var(--wt-display);
  margin-bottom: 1.25rem;
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 750ms 80ms var(--ease-out-expo), transform 750ms 80ms var(--ease-out-expo);
}

/* Heat-glow word: applied to <em> within headlines */
.tcf-slide__headline em {
  font-style: normal;
  color: var(--molten);
  text-shadow:
    0 0 40px rgba(255, 122, 24, 0.55),
    0 0 80px rgba(255, 122, 24, 0.22);
}

/* ── Sub-headline ── */
.tcf-slide__sub {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 300;
  color: var(--ash);
  line-height: 1.55;
  max-width: 46ch;
  margin-bottom: 2rem;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 700ms 160ms var(--ease-out-expo), transform 700ms 160ms var(--ease-out-expo);
}

/* ── CTAs ── */
.tcf-slide__ctas {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 600ms 240ms var(--ease-out-expo), transform 600ms 240ms var(--ease-out-expo);
}

/* ── Slide 1: Molten Orb visual motif within slide ── */
.tcf-slide__orb-accent {
  position: absolute;
  top: 50%;
  right: 8%;
  transform: translateY(-50%);
  width: min(380px, 38vw);
  aspect-ratio: 1;
  z-index: 3;
  pointer-events: none;
  opacity: 0;
  transition: opacity 1000ms 300ms var(--ease-out-expo);
}

/* The molten orb sphere (CSS-only, no canvas) */
.tcf-slide__orb-sphere {
  position: absolute;
  inset: 15%;
  border-radius: 50%;
  background:
    radial-gradient(ellipse 45% 40% at 35% 28%, rgba(255, 220, 140, 0.9) 0%, transparent 55%),
    radial-gradient(ellipse 70% 70% at 50% 45%, var(--molten-core) 0%, var(--molten) 30%, var(--orange) 55%, var(--ember) 75%, #7A1800 100%);
  box-shadow:
    0 0 80px 30px rgba(194, 65, 12, 0.5),
    0 0 160px 60px rgba(255, 122, 24, 0.25),
    inset 0 -20px 40px rgba(0, 0, 0, 0.45),
    inset 0 10px 20px rgba(255, 220, 140, 0.12);
  animation: sliderOrbPulse 4s var(--ease-in-out) infinite alternate;
}

@keyframes sliderOrbPulse {
  0%   { transform: scale(1) rotate(0deg); }
  100% { transform: scale(1.05) rotate(3deg); box-shadow: 0 0 100px 40px rgba(194,65,12,0.6), 0 0 200px 80px rgba(255,122,24,0.3), inset 0 -20px 40px rgba(0,0,0,0.45), inset 0 10px 20px rgba(255,220,140,0.18); }
}

/* Heat shimmer around orb */
.tcf-slide__orb-sphere::after {
  content: '';
  position: absolute;
  inset: -10px;
  border-radius: 50%;
  background: radial-gradient(ellipse at 50% 50%, rgba(255, 122, 24, 0.1) 0%, transparent 70%);
  animation: sliderShimmer 2.4s ease-in-out infinite alternate;
  filter: blur(8px);
}
@keyframes sliderShimmer {
  0%   { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(1.1); opacity: 1; }
}

/* Concentric rings around orb */
.tcf-slide__orb-ring {
  position: absolute;
  inset: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 1px solid rgba(255, 122, 24, 0.18);
  animation: sliderRingPulse 3.8s var(--ease-in-out) infinite;
}
.tcf-slide__orb-ring:nth-child(2) { animation-delay: 0.95s; border-color: rgba(255, 122, 24, 0.1); }
.tcf-slide__orb-ring:nth-child(3) { animation-delay: 1.9s;  border-color: rgba(255, 122, 24, 0.06); }

@keyframes sliderRingPulse {
  0%   { width: 105%; height: 105%; opacity: 0; transform: translate(-50%, -50%) scale(0.88); }
  20%  { opacity: 1; }
  80%  { opacity: 0.25; }
  100% { width: 145%; height: 145%; opacity: 0; transform: translate(-50%, -50%) scale(1.12); }
}

/* 1400°C badge on orb */
.tcf-slide__orb-badge {
  position: absolute;
  top: 14%;
  right: 12%;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ash);
  background: rgba(245, 247, 250, 0.06);
  border: 1px solid var(--glass-border);
  padding: 0.35rem 0.7rem;
  border-radius: 100px;
  z-index: 4;
}

/* ══════════════════════════════════════════════════════════
   SLIDE 2 — Precision Target Signature Visual
   Concentric molten rings pulsing outward, crosshair guides,
   bright molten core, floating ± 0.1 MM glass badge.
   ══════════════════════════════════════════════════════════ */

.tcf-slide__precision-accent {
  position: absolute;
  top: 50%;
  right: 8%;
  transform: translateY(-50%);
  width: min(380px, 38vw);
  aspect-ratio: 1;
  z-index: 3;
  pointer-events: none;
  opacity: 0;
  transition: opacity 900ms 350ms var(--ease-out-expo);
}

/* Target container — full size of accent */
.tcf-slide__target {
  position: relative;
  width: 100%;
  height: 100%;
}

/* ── Glow bloom ── */
.tcf-slide__target-bloom {
  position: absolute;
  inset: 4%;
  border-radius: 50%;
  background: radial-gradient(ellipse at center,
    rgba(255, 122, 24, 0.46)  0%,
    rgba(255, 122, 24, 0.24) 40%,
    rgba(194, 65, 12, 0.10)  65%,
    transparent              85%);
  filter: blur(16px);
  animation: targetBloom 4s var(--ease-in-out) infinite alternate;
}

@keyframes targetBloom {
  0%   { transform: scale(0.92); opacity: 0.7; }
  100% { transform: scale(1.08); opacity: 1; }
}

/* ── Crosshair guides ── */
.tcf-slide__target-h {
  position: absolute;
  top: 50%; left: 0; right: 0;
  height: 1px;
  transform: translateY(-0.5px);
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(255, 122, 24, 0.22) 20%,
    rgba(255, 178, 77, 0.35) 50%,
    rgba(255, 122, 24, 0.22) 80%,
    transparent 100%);
  pointer-events: none;
}
.tcf-slide__target-v {
  position: absolute;
  left: 50%; top: 0; bottom: 0;
  width: 1px;
  transform: translateX(-0.5px);
  background: linear-gradient(180deg,
    transparent 0%,
    rgba(255, 122, 24, 0.22) 20%,
    rgba(255, 178, 77, 0.35) 50%,
    rgba(255, 122, 24, 0.22) 80%,
    transparent 100%);
  pointer-events: none;
}

/* Small tick marks on the crosshair arms */
.tcf-slide__target-h::before,
.tcf-slide__target-h::after,
.tcf-slide__target-v::before,
.tcf-slide__target-v::after {
  content: '';
  position: absolute;
  background: rgba(255, 178, 77, 0.5);
}
.tcf-slide__target-h::before {
  left: 25%; top: -3px;
  width: 1px; height: 7px;
}
.tcf-slide__target-h::after {
  right: 25%; top: -3px;
  width: 1px; height: 7px;
}
.tcf-slide__target-v::before {
  top: 25%; left: -3px;
  height: 1px; width: 7px;
}
.tcf-slide__target-v::after {
  bottom: 25%; left: -3px;
  height: 1px; width: 7px;
}

/* ── Concentric rings ── */
.tcf-slide__target-ring {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border-style: solid;
  animation: targetRingFloat 5s var(--ease-in-out) infinite alternate;
}
.tcf-slide__target-ring--1 {
  width: 85%; height: 85%;
  border-width: 2px;
  border-color: rgba(255, 122, 24, 0.7);
  box-shadow:
    0 0 18px 3px rgba(255, 122, 24, 0.3),
    inset 0 0 14px 2px rgba(255, 122, 24, 0.12);
  animation-duration: 5s;
  animation-delay: 0s;
}
.tcf-slide__target-ring--2 {
  width: 62%; height: 62%;
  border-width: 2px;
  border-color: rgba(255, 122, 24, 0.85);
  box-shadow:
    0 0 22px 4px rgba(255, 122, 24, 0.36),
    inset 0 0 12px 2px rgba(255, 122, 24, 0.14);
  animation-duration: 4.2s;
  animation-delay: 0.4s;
}
.tcf-slide__target-ring--3 {
  width: 40%; height: 40%;
  border-width: 2px;
  border-color: rgba(255, 178, 77, 0.85);
  box-shadow:
    0 0 20px 5px rgba(255, 122, 24, 0.38),
    inset 0 0 8px 2px rgba(255, 178, 77, 0.15);
  animation-duration: 3.6s;
  animation-delay: 0.8s;
}

@keyframes targetRingFloat {
  0%   { transform: translate(-50%, -50%) scale(0.97); }
  100% { transform: translate(-50%, -50%) scale(1.03); }
}

/* ── Hot core ── */
.tcf-slide__target-core {
  position: absolute;
  top: 50%; left: 50%;
  width: 14%; height: 14%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background:
    radial-gradient(ellipse 45% 40% at 35% 28%, rgba(255, 220, 140, 0.95) 0%, transparent 55%),
    radial-gradient(ellipse at center, var(--molten-core) 0%, var(--molten) 40%, var(--ember) 80%);
  box-shadow:
    0 0 18px 6px rgba(255, 122, 24, 0.65),
    0 0 40px 12px rgba(255, 122, 24, 0.3),
    0 0 70px 20px rgba(194, 65, 12, 0.18);
  animation: targetCorePulse 2.8s var(--ease-in-out) infinite alternate;
}

@keyframes targetCorePulse {
  0%   { transform: translate(-50%, -50%) scale(1);    box-shadow: 0 0 18px 6px rgba(255,122,24,0.65), 0 0 40px 12px rgba(255,122,24,0.3), 0 0 70px 20px rgba(194,65,12,0.18); }
  100% { transform: translate(-50%, -50%) scale(1.18); box-shadow: 0 0 26px 8px rgba(255,122,24,0.8),  0 0 55px 18px rgba(255,122,24,0.38), 0 0 90px 28px rgba(194,65,12,0.25); }
}

/* ── Outward pulsing waves ── */
.tcf-slide__target-wave {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%) scale(0.14);
  width: 100%; height: 100%;
  border-radius: 50%;
  border: 1.5px solid rgba(255, 122, 24, 0.6);
  opacity: 0;
  animation: targetWaveOut 3.2s var(--ease-out-expo) infinite;
}
.tcf-slide__target-wave--2 {
  animation-delay: 1.6s;
  border-color: rgba(255, 178, 77, 0.45);
}

@keyframes targetWaveOut {
  0%   { transform: translate(-50%, -50%) scale(0.14); opacity: 0.9; }
  100% { transform: translate(-50%, -50%) scale(0.92); opacity: 0; }
}

/* ── Glass badge ± 0.1 MM ── */
.tcf-slide__target-badge {
  position: absolute;
  top: 9%;
  right: 8%;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ash);
  background: rgba(245, 247, 250, 0.06);
  border: 1px solid var(--glass-border);
  padding: 0.35rem 0.7rem;
  border-radius: 100px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  white-space: nowrap;
  z-index: 4;
}


/* ══════════════════════════════════════════════════════════
   SLIDE 3 — Industrial Gear Signature Visual
   SVG gear slowly rotates; hot molten rim-light + inner glow;
   counter-rotating inner ring; 500 T / MONTH badge.
   ══════════════════════════════════════════════════════════ */

.tcf-slide__gear-accent {
  position: absolute;
  top: 50%;
  right: 8%;
  transform: translateY(-50%);
  width: min(380px, 38vw);
  aspect-ratio: 1;
  z-index: 3;
  pointer-events: none;
  opacity: 0;
  transition: opacity 900ms 350ms var(--ease-out-expo);
}

/* ── Glow bloom behind gear ── */
.tcf-slide__gear-bloom {
  position: absolute;
  inset: 5%;
  border-radius: 50%;
  background: radial-gradient(ellipse at center,
    rgba(255, 122, 24, 0.32)  0%,
    rgba(194, 65, 12, 0.18)  40%,
    rgba(194, 65, 12, 0.06)  65%,
    transparent              85%);
  filter: blur(24px);
  animation: gearBloom 5s var(--ease-in-out) infinite alternate;
}

@keyframes gearBloom {
  0%   { opacity: 0.75; transform: scale(0.92); }
  100% { opacity: 1;    transform: scale(1.06); }
}

/* ── Rotating gear SVG ── */
.tcf-slide__gear-svg {
  position: absolute;
  top: 8%; left: 8%;
  width: 84%; height: 84%;
  overflow: visible; /* let drop-shadow bloom outside the SVG bounds */
  /* Use drop-shadow for glow that hugs the gear teeth */
  filter:
    drop-shadow(0 0 10px rgba(255, 122, 24, 0.75))
    drop-shadow(0 0 26px rgba(194, 65, 12, 0.5))
    drop-shadow(0 0 48px rgba(255, 122, 24, 0.22));
  animation: gearSpin 18s linear infinite;
  transform-origin: 50% 50%;
}

@keyframes gearSpin {
  from { transform: rotate(0deg);   }
  to   { transform: rotate(360deg); }
}

/* Specular sheen overlay via ::before on the gear-body path — done via SVG fill above */
.tcf-slide__gear-body {
  /* Main fill is the SVG gradients. The path also gets a subtle stroke rim */
  stroke: rgba(255, 178, 77, 0.22);
  stroke-width: 0.8;
}

/* ── Counter-rotating inner ring ── */
.tcf-slide__gear-inner-ring {
  position: absolute;
  top: 50%; left: 50%;
  width: 44%; height: 44%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 2px solid rgba(255, 122, 24, 0.35);
  box-shadow:
    0 0 14px 3px rgba(255, 122, 24, 0.25),
    inset 0 0 10px 2px rgba(255, 178, 77, 0.1);
  animation: gearInnerSpin 10s linear infinite reverse;
}
.tcf-slide__gear-inner-ring::after {
  content: '';
  position: absolute;
  inset: 20%;
  border-radius: 50%;
  border: 1.5px solid rgba(255, 178, 77, 0.22);
}

@keyframes gearInnerSpin {
  from { transform: translate(-50%, -50%) rotate(0deg);   }
  to   { transform: translate(-50%, -50%) rotate(360deg); }
}

/* ── Glass badge 500 T / MONTH ── */
.tcf-slide__gear-badge {
  position: absolute;
  top: 8%;
  right: 6%;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ash);
  background: rgba(245, 247, 250, 0.06);
  border: 1px solid var(--glass-border);
  padding: 0.35rem 0.7rem;
  border-radius: 100px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  white-space: nowrap;
  z-index: 4;
}


/* ══════════════════════════════════════════════════════════
   SLIDE 4 — Quality Seal Medallion + Cert Badges
   Glowing circular medallion with stamped rings + check/star;
   three glowing glass cert badges stacked below.
   ══════════════════════════════════════════════════════════ */

.tcf-slide__certs-accent {
  position: absolute;
  top: 50%;
  right: 5%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  z-index: 3;
  pointer-events: none;
  opacity: 0;
  transition: opacity 800ms 300ms var(--ease-out-expo);
}

/* ── Quality seal / medallion ── */
.tcf-slide__seal {
  position: relative;
  width: min(320px, 30vw);
  aspect-ratio: 1;
  flex-shrink: 0;
  margin-bottom: 0.5rem;
}

/* Glow bloom behind seal */
.tcf-slide__seal-bloom {
  position: absolute;
  inset: 5%;
  border-radius: 50%;
  background: radial-gradient(ellipse at center,
    rgba(255, 122, 24, 0.3)  0%,
    rgba(194, 65, 12, 0.15) 45%,
    transparent              75%);
  filter: blur(20px);
  animation: sealBloom 4.5s var(--ease-in-out) infinite alternate;
}

@keyframes sealBloom {
  0%   { opacity: 0.7; transform: scale(0.9);  }
  100% { opacity: 1;   transform: scale(1.1);  }
}

/* Stamped concentric rings */
.tcf-slide__seal-ring {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border-style: solid;
  animation: sealRingPulse 5s var(--ease-in-out) infinite alternate;
}
.tcf-slide__seal-ring--outer {
  width: 100%; height: 100%;
  border-width: 2px;
  border-color: rgba(255, 122, 24, 0.45);
  box-shadow:
    0 0 14px 3px rgba(255, 122, 24, 0.2),
    inset 0 0 12px 2px rgba(255, 122, 24, 0.06);
  animation-delay: 0s;
}
.tcf-slide__seal-ring--mid {
  width: 78%; height: 78%;
  border-width: 2px;
  border-color: rgba(255, 122, 24, 0.65);
  border-style: dashed;
  box-shadow:
    0 0 18px 4px rgba(255, 122, 24, 0.25),
    inset 0 0 10px 2px rgba(255, 178, 77, 0.08);
  animation-delay: 0.5s;
  animation-duration: 4s;
}
.tcf-slide__seal-ring--inner {
  width: 58%; height: 58%;
  border-width: 2.5px;
  border-color: rgba(255, 178, 77, 0.8);
  box-shadow:
    0 0 22px 6px rgba(255, 122, 24, 0.38),
    inset 0 0 8px 2px rgba(255, 178, 77, 0.15);
  animation-delay: 1s;
  animation-duration: 3.5s;
}

@keyframes sealRingPulse {
  0%   { transform: translate(-50%, -50%) scale(0.97); }
  100% { transform: translate(-50%, -50%) scale(1.03); }
}

/* Expanding wave ring */
.tcf-slide__seal-wave {
  position: absolute;
  top: 50%; left: 50%;
  width: 100%; height: 100%;
  border-radius: 50%;
  border: 1.5px solid rgba(255, 122, 24, 0.55);
  transform: translate(-50%, -50%) scale(0.58);
  opacity: 0;
  animation: sealWaveOut 4s var(--ease-out-expo) infinite;
}

@keyframes sealWaveOut {
  0%   { transform: translate(-50%, -50%) scale(0.58); opacity: 0.9; }
  100% { transform: translate(-50%, -50%) scale(1.05); opacity: 0; }
}

/* Central medallion face — dark fill to contrast check mark */
.tcf-slide__seal-center {
  position: absolute;
  top: 50%; left: 50%;
  width: 46%; height: 46%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background:
    radial-gradient(ellipse 45% 40% at 35% 28%, rgba(255, 178, 77, 0.15) 0%, transparent 60%),
    radial-gradient(ellipse at center, rgba(11, 42, 91, 0.9) 0%, rgba(10, 33, 72, 0.95) 100%);
  box-shadow:
    0 0 20px 6px rgba(255, 122, 24, 0.45),
    0 0 40px 12px rgba(255, 122, 24, 0.2),
    inset 0 -8px 16px rgba(0,0,0,0.4),
    inset 0 4px 8px rgba(255, 178, 77, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: sealCenterGlow 3s var(--ease-in-out) infinite alternate;
}

@keyframes sealCenterGlow {
  0%   { box-shadow: 0 0 20px 6px rgba(255,122,24,0.45), 0 0 40px 12px rgba(255,122,24,0.2), inset 0 -8px 16px rgba(0,0,0,0.4), inset 0 4px 8px rgba(255,178,77,0.08); }
  100% { box-shadow: 0 0 28px 8px rgba(255,122,24,0.65), 0 0 56px 18px rgba(255,122,24,0.3), inset 0 -8px 16px rgba(0,0,0,0.4), inset 0 4px 8px rgba(255,178,77,0.14); }
}

.tcf-slide__seal-icon {
  width: 58%;
  height: 58%;
  filter: drop-shadow(0 0 4px rgba(255, 178, 77, 0.8));
}

/* ── Cert glass badge items ── */
.tcf-slide__cert-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.1rem;
  background: rgba(11, 42, 91, 0.52);
  border: 1px solid rgba(255, 122, 24, 0.18);
  border-radius: var(--radius-md);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  min-width: 226px;
  box-shadow:
    0 0 12px rgba(255, 122, 24, 0.08),
    inset 0 1px 0 rgba(255, 178, 77, 0.06);
  /* Stagger in */
  opacity: 0;
  transform: translateX(20px);
  transition: opacity 600ms var(--ease-out-expo), transform 600ms var(--ease-out-expo);
}

.tcf-slide__cert-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--molten);
  flex-shrink: 0;
  box-shadow: 0 0 8px rgba(255, 122, 24, 0.8), 0 0 16px rgba(255, 122, 24, 0.35);
}

.tcf-slide__cert-text {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--ash);
  text-transform: uppercase;
  white-space: nowrap;
}

/* ─── Content in-animation: triggered when .slide-in-play is added ── */
.is-active .tcf-slide__eyebrow,
.is-active .tcf-slide__headline,
.is-active .tcf-slide__sub,
.is-active .tcf-slide__ctas {
  opacity: 1;
  transform: translateY(0);
}

.is-active .tcf-slide__orb-accent,
.is-active .tcf-slide__precision-accent,
.is-active .tcf-slide__gear-accent,
.is-active .tcf-slide__certs-accent {
  opacity: 1;
}

/* Cert items stagger — children 2-6 of .certs-accent (child 1 is the .tcf-slide__seal) */
.is-active .tcf-slide__cert-item:nth-child(2) { opacity: 1; transform: translateX(0); transition-delay: 450ms; }
.is-active .tcf-slide__cert-item:nth-child(3) { opacity: 1; transform: translateX(0); transition-delay: 580ms; }
.is-active .tcf-slide__cert-item:nth-child(4) { opacity: 1; transform: translateX(0); transition-delay: 710ms; }
    .is-active .tcf-slide__cert-item:nth-child(5) {
      opacity: 1;
      transform: translateX(0);
      transition-delay: 840ms;
    }
    .is-active .tcf-slide__cert-item:nth-child(6) {
      opacity: 1;
      transform: translateX(0);
      transition-delay: 970ms;
    }

/* Content out-animation on exit */
.is-exiting .tcf-slide__eyebrow,
.is-exiting .tcf-slide__headline,
.is-exiting .tcf-slide__sub,
.is-exiting .tcf-slide__ctas {
  opacity: 0;
  transform: translateY(-12px);
  transition-duration: 400ms;
  transition-delay: 0ms;
}

/* ─── Controls ────────────────────────────────────────────── */
.tcf-slider__controls {
  position: absolute;
  bottom: 2.5rem;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  padding: 0 var(--space-lg);
}

/* ── Prev / Next arrows ── */
.tcf-slider__arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  /* Glassmorphic pill */
  background: rgba(11, 42, 91, 0.45);
  border: 1px solid rgba(245, 247, 250, 0.14);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  color: var(--white);
  cursor: pointer;
  transition:
    background var(--dur-base),
    border-color var(--dur-base),
    transform var(--dur-fast) var(--ease-out-expo),
    box-shadow var(--dur-base);
  flex-shrink: 0;
}
.tcf-slider__arrow:hover {
  background: rgba(11, 42, 91, 0.75);
  border-color: rgba(255, 122, 24, 0.4);
  transform: scale(1.08);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35), 0 0 12px rgba(255, 122, 24, 0.2);
}
.tcf-slider__arrow:active {
  transform: scale(0.96);
}
.tcf-slider__arrow svg {
  width: 18px;
  height: 18px;
  pointer-events: none;
}

/* ── Dots ── */
.tcf-slider__dots {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.tcf-slider__dot {
  position: relative;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(245, 247, 250, 0.3);
  border: none;
  padding: 0;
  cursor: pointer;
  transition: background var(--dur-base), transform var(--dur-base), width var(--dur-base);
  /* Larger hit target without changing visual size */
  outline: none;
}
/* Expanded hit area */
.tcf-slider__dot::before {
  content: '';
  position: absolute;
  inset: -8px;
  border-radius: 50%;
}
.tcf-slider__dot[aria-current="true"] {
  background: var(--molten);
  width: 24px;
  border-radius: 4px;
  box-shadow: 0 0 8px rgba(255, 122, 24, 0.5);
}
.tcf-slider__dot:hover:not([aria-current="true"]) {
  background: rgba(245, 247, 250, 0.6);
  transform: scale(1.25);
}

/* ─── Progress bar ────────────────────────────────────────── */
.tcf-slider__progress {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: rgba(245, 247, 250, 0.08);
  z-index: 10;
  overflow: hidden;
}

.tcf-slider__progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--ember) 0%, var(--molten) 50%, var(--molten-core) 100%);
  border-radius: 0 2px 2px 0;
  box-shadow: 0 0 6px rgba(255, 122, 24, 0.5);
  /* No CSS transition — driven by requestAnimationFrame */
  transform-origin: left center;
}

/* ─── Stats band — lives below slider, driven by existing counter logic ── */
.tcf-slider__stats-band {
  position: relative;
  z-index: 5;
  background: rgba(10, 33, 72, 0.92);
  border-top: 1px solid rgba(255, 122, 24, 0.18);
  border-bottom: 1px solid var(--glass-border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.tcf-slider__stats-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 1.75rem var(--space-lg);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.tcf-slider__stat {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  /* Dividers between stats */
  padding-right: var(--space-md);
  border-right: 1px solid var(--glass-border);
}
.tcf-slider__stat:last-child {
  border-right: none;
  padding-right: 0;
}

.tcf-slider__stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--white);
  line-height: 1;
}

.tcf-slider__stat-label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ash);
}

/* ─── Pause indicator (shown on hover) ─────────────────────── */
.tcf-slider__pause-badge {
  position: absolute;
  top: calc(var(--nav-h) + 1.5rem);
  right: var(--space-lg);
  z-index: 20;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ash);
  background: rgba(10, 33, 72, 0.6);
  border: 1px solid var(--glass-border);
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity var(--dur-base), transform var(--dur-base);
  pointer-events: none;
}
.tcf-slider.is-paused .tcf-slider__pause-badge {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Slide counter (top right) ───────────────────────────── */
.tcf-slider__counter {
  position: absolute;
  top: calc(var(--nav-h) + 1.5rem);
  left: var(--space-lg);
  z-index: 10;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: rgba(154, 164, 178, 0.6);
  line-height: 1;
  pointer-events: none;
}
.tcf-slider__counter strong {
  color: var(--ash);
  font-weight: 700;
}

/* ─── Responsive ──────────────────────────────────────────── */
@media (max-width: 1024px) {
  .tcf-slide__orb-accent,
  .tcf-slide__precision-accent,
  .tcf-slide__gear-accent,
  .tcf-slide__certs-accent {
    right: 3%;
    width: min(280px, 30vw);
  }

  .tcf-slide__gear-accent {
    width: min(260px, 28vw);
  }

  .tcf-slide__certs-accent {
    right: 2%;
    width: auto;
  }

  .tcf-slide__seal {
    width: min(180px, 16vw);
  }

  .tcf-slide__cert-item {
    min-width: 190px;
    padding: 0.7rem 1rem;
  }

  .tcf-slide__headline {
    font-size: clamp(2.4rem, 5.5vw, 4rem);
  }

  .tcf-slider__stats-inner {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-sm);
    padding: 1.25rem var(--space-lg);
  }
}

@media (max-width: 768px) {
  .tcf-slide__orb-accent,
  .tcf-slide__precision-accent,
  .tcf-slide__gear-accent,
  .tcf-slide__certs-accent {
    /* Hide right-side accents on mobile — content is primary */
    display: none;
  }

  .tcf-slide__overlay {
    background:
      linear-gradient(to bottom,
        rgba(10, 33, 72, 0.55) 0%,
        rgba(10, 33, 72, 0.45) 50%,
        rgba(5, 10, 22, 0.65) 100%
      );
  }

  .tcf-slide__content {
    align-items: flex-end;
    padding-bottom: 8rem;
    padding-top: calc(var(--nav-h) + 1rem);
  }

  .tcf-slide__copy {
    max-width: 100%;
  }

  .tcf-slide__headline {
    font-size: clamp(2.25rem, 9vw, 3.5rem);
  }

  .tcf-slide__sub {
    font-size: var(--text-base);
  }

  .tcf-slider__stats-inner {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    padding: 1.25rem var(--space-sm);
  }

  .tcf-slider__stat {
    border-right: none;
    padding-right: 0;
  }
  .tcf-slider__stat:nth-child(odd) {
    border-right: 1px solid var(--glass-border);
    padding-right: 1rem;
  }

  .tcf-slider__controls {
    bottom: 1.75rem;
    gap: 1rem;
  }

  .tcf-slider__counter {
    display: none;
  }
}

@media (max-width: 480px) {
  .tcf-slide__eyebrow {
    font-size: 0.6rem;
  }

  .tcf-slide__headline {
    font-size: clamp(2rem, 10vw, 3rem);
  }

  .tcf-slide__ctas {
    flex-direction: column;
    align-items: flex-start;
  }
  .tcf-slide__ctas .btn {
    width: 100%;
    justify-content: center;
  }

  .tcf-slider__stats-inner {
    grid-template-columns: repeat(2, 1fr);
  }

  .tcf-slider__arrow {
    width: 40px;
    height: 40px;
  }
}

/* ─── Reduced motion overrides ────────────────────────────── */
/*
   v2.css's global reduced-motion block will already make all
   CSS transitions fire in 0.01ms (effective instant). What we
   additionally do here:
   - Kill Ken Burns (already instant via transition override but
     we also remove the animation so there's no FOUC at t=0).
   - Keep slides visible at opacity:1 (no fade needed if no motion).
*/
@media (prefers-reduced-motion: reduce) {
  .tcf-slide__bg.kb-play {
    animation: none !important;
  }

  /* Force all slide content to visible state immediately */
  .tcf-slide__eyebrow,
  .tcf-slide__headline,
  .tcf-slide__sub,
  .tcf-slide__ctas,
  .tcf-slide__orb-accent,
  .tcf-slide__precision-accent,
  .tcf-slide__gear-accent,
  .tcf-slide__certs-accent,
  .tcf-slide__cert-item {
    opacity: 1 !important;
    transform: none !important;
  }

  /* Stop orb animations */
  .tcf-slide__orb-sphere,
  .tcf-slide__orb-sphere::after,
  .tcf-slide__orb-ring {
    animation: none !important;
  }

  /* Stop precision target animations */
  .tcf-slide__target-bloom,
  .tcf-slide__target-ring,
  .tcf-slide__target-core,
  .tcf-slide__target-wave {
    animation: none !important;
  }

  /* Stop gear animations — keep static glowing visual */
  .tcf-slide__gear-bloom,
  .tcf-slide__gear-svg,
  .tcf-slide__gear-inner-ring {
    animation: none !important;
  }

  /* Stop quality seal animations */
  .tcf-slide__seal-bloom,
  .tcf-slide__seal-ring,
  .tcf-slide__seal-wave,
  .tcf-slide__seal-center {
    animation: none !important;
  }
}

/* ============================================================
   INTERACTIVE ACCENTS — hover / cursor-parallax / click ripple
   The molten graphics on the active slide respond to the mouse.
   --ax/--ay (parallax) and --ak (kick scale) are set by JS.
   ============================================================ */
.tcf-slide__orb-accent,
.tcf-slide__precision-accent,
.tcf-slide__gear-accent,
.tcf-slide__certs-accent {
  pointer-events: auto;
  cursor: pointer;
  /* preserve the vertical centering, add parallax offset + kick scale */
  transform: translateY(-50%) translate3d(var(--ax, 0px), var(--ay, 0px), 0) scale(var(--ak, 1));
  transition: transform 0.4s var(--ease-out-expo), filter 0.4s ease;
}

/* Hover — the graphic brightens and swells slightly */
.tcf-slide__orb-accent:hover,
.tcf-slide__precision-accent:hover,
.tcf-slide__gear-accent:hover,
.tcf-slide__certs-accent:hover {
  --ak: 1.06;
  filter: brightness(1.18) saturate(1.08);
}

/* Click ripple ring (spawned by JS, self-removes) */
.tcf-accent-ripple {
  position: absolute;
  top: 50%; left: 50%;
  width: 46%; height: 46%;
  border-radius: 50%;
  border: 2px solid rgba(255, 178, 77, 0.85);
  box-shadow: 0 0 22px 4px rgba(255, 122, 24, 0.4);
  transform: translate(-50%, -50%) scale(0.2);
  pointer-events: none;
  z-index: 6;
  animation: accentRipple 0.72s var(--ease-out-expo) forwards;
}
@keyframes accentRipple {
  0%   { transform: translate(-50%, -50%) scale(0.2);  opacity: 0.95; }
  100% { transform: translate(-50%, -50%) scale(2.0);  opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .tcf-slide__orb-accent,
  .tcf-slide__precision-accent,
  .tcf-slide__gear-accent,
  .tcf-slide__certs-accent {
    transform: translateY(-50%) !important;
    transition: filter 0.3s ease;
  }
  .tcf-accent-ripple { display: none; }
}
