/* Timeline Intro — Seerat Hussain Sial
   Concept: the site "renders" like a video edit with a 3D Hyperspeed warp background.
   A playhead sweeps a timeline, service clips snap in, the name resolves, then the curtain opens.
   Plays on every visit and refresh (see intro-timeline.js). */

.sx-intro{display:none}
html.sx-intro-on .sx-intro{
  display:block;position:fixed;inset:0;z-index:9999;overflow:hidden;
  color:#f7f8fc;font-family:"Plus Jakarta Sans",Inter,system-ui,sans-serif;
  pointer-events:auto;background:transparent;
}
html.sx-intro-on,html.sx-intro-on body{overflow:hidden}

/* curtain panels (they split open at the end) */
.sx-panel{position:absolute;left:0;right:0;height:50.5%;background:#090b12;
  transition:transform .72s cubic-bezier(.76,0,.24,1);will-change:transform;z-index:0}
.sx-panel.top{top:0}
.sx-panel.bot{bottom:0}

/* Hyperspeed 3D Canvas Background */
.sx-hyperspeed{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 1;
  pointer-events: auto;
  touch-action: pan-y;
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  user-select: none;
  opacity: 1;
  transition: opacity .45s ease;
}
.sx-hyperspeed canvas{
  display: block;
  width: 100%!important;
  height: 100%!important;
}
.sx-exit .sx-hyperspeed{opacity:0}

/* ambient glow overlay */
.sx-glow{position:absolute;inset:0;pointer-events:none;transition:opacity .4s ease;z-index:2;
  background:radial-gradient(55% 70% at 20% 30%,rgba(69,228,255,.12),transparent 60%),
             radial-gradient(55% 70% at 80% 70%,rgba(156,118,255,.14),transparent 60%)}
.sx-exit .sx-glow{opacity:0}
.sx-panel.top::after,.sx-panel.bot::after{content:"";position:absolute;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(69,228,255,.7),rgba(156,118,255,.7),transparent);opacity:0;transition:opacity .3s}
.sx-panel.top::after{bottom:0}.sx-panel.bot::after{top:0}
.sx-exit .sx-panel.top{transform:translateY(-101%)}
.sx-exit .sx-panel.bot{transform:translateY(101%)}
.sx-exit .sx-panel::after{opacity:1}

/* fine grid for depth */
.sx-grid{position:absolute;inset:0;opacity:.28;pointer-events:none;z-index:3;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(ellipse at center,#000 15%,transparent 70%);
  mask-image:radial-gradient(ellipse at center,#000 15%,transparent 70%)}

/* center stage (bounded inside the safe upper-middle frame above bottom road streaks) */
.sx-stage{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:clamp(12px,2vh,20px);padding:24px;padding-bottom:clamp(215px,28vh,280px);
  transition:opacity .35s ease,transform .6s ease;z-index:4;pointer-events:none}
.sx-exit .sx-stage{opacity:0;transform:scale(1.04)}

@media (max-height: 720px){
  .sx-stage{padding-bottom:clamp(140px,20vh,185px);gap:10px}
}

/* name */
.sx-name{
  margin: 0;
  text-align: center;
  font-weight: 850;
  line-height: 1.04;
  letter-spacing: -0.04em;
  font-size: clamp(34px, 7.2vw, 84px);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0 0.28em;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease, visibility 0.35s ease;
  filter:
    drop-shadow(0 4px 12px rgba(0, 0, 0, 0.25))
    drop-shadow(0 0 18px rgba(85, 221, 255, 0.24))
    drop-shadow(0 0 32px rgba(139, 92, 246, 0.20));
}
.sx-name.in{
  opacity: 1;
  visibility: visible;
}
.sx-word{
  display: inline-flex;
  overflow: hidden;
  padding: 0.08em 0.03em 0.12em;
}
.sx-char{
  display: inline-block;
  transform: translateY(115%);
  background: var(--grad, linear-gradient(135deg, #ffffff 0%, #70f3ff 20%, #38bdf8 42%, #818cf8 68%, #c084fc 84%, #f472b6 100%));
  background-size: calc(var(--total, 17) * 100%) 100%;
  background-position: calc(var(--i, 0) * (100% / max(1, (var(--total, 17) - 1)))) 50%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  transition: transform 0.58s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
}
.sx-name.in .sx-char{
  transform: none;
  transition-delay: calc(var(--i) * 18ms);
}
.sx-sub{
  margin: 2px 0 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 18px;
  border-radius: 999px;
  background: rgba(10, 15, 28, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow:
    0 4px 20px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(85, 221, 255, 0.1) inset,
    0 0 20px rgba(85, 221, 255, 0.12);
  font-size: clamp(10.5px, 1.2vw, 12.5px);
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: #e2e8f0;
  box-sizing: border-box;
  max-width: min(92vw, 680px);
  text-align: center;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.45s ease 0.15s, transform 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.15s;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.9);
}
.sx-sub b{
  color: #55ddff;
  font-weight: 700;
  margin: 0 0.5em;
  text-shadow: 0 0 10px rgba(85, 221, 255, 0.5);
}
.sx-sub .sx-tail{
  color: #94a3b8;
}
.sx-name.in ~ .sx-sub{
  opacity: 1;
  transform: none;
}

/* timeline console with modern dark glass backing */
.sx-tl{
  --sx-gutter: 44px;
  --sx-out: cubic-bezier(.16, 1, .3, 1);
  --sx-ease: cubic-bezier(.7, 0, .2, 1);
  position: relative;
  width: min(880px, 92vw);
  padding: 24px 22px 18px;
  opacity: 0;
  transform: translateY(18px) scale(0.96);
  pointer-events: none;
  user-select: none;
  -webkit-user-select: none;
  background: rgba(9, 11, 18, 0.68);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 20px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.8), 0 0 20px rgba(69, 228, 255, 0.05);
  transition: opacity .45s ease, transform .55s var(--sx-out), box-shadow .55s ease;
}
.sx-on .sx-tl{
  opacity: 1;
  transform: none;
  pointer-events: none;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.85), 0 0 45px rgba(69, 228, 255, 0.22);
}

/* Ruler */
.sx-ruler{
  height: 22px;
  margin-left: var(--sx-gutter);
  background:
    repeating-linear-gradient(90deg, rgba(138, 150, 199, .7) 0 1px, transparent 1px 100px) left bottom / 100% 12px no-repeat,
    repeating-linear-gradient(90deg, rgba(138, 150, 199, .35) 0 1px, transparent 1px 20px) left bottom / 100% 6px no-repeat;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .8s var(--sx-out), opacity .3s linear;
}
.sx-p-tracks .sx-ruler{ transform: none; }

/* Lanes */
.sx-lanes{
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 8px;
}
.sx-lane{
  display: flex;
  height: clamp(34px, 4.4vh, 42px);
  transition: transform .6s var(--sx-ease), opacity .45s linear;
}
.sx-tag{
  width: var(--sx-gutter);
  display: flex;
  align-items: center;
  font-size: 12px;
  font-weight: 700;
  color: #8a96c7;
  opacity: 0;
  transition: opacity .5s linear calc(var(--k) * .06s + .2s);
}
.sx-p-tracks .sx-tag{ opacity: 1; }

.sx-track{ position: relative; flex: 1; }
.sx-track::before{
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.04);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .8s var(--sx-out) calc(var(--k) * .06s);
}
.sx-p-tracks .sx-track::before{ transform: none; }

.sx-clip{
  position: absolute;
  top: 3px;
  bottom: 3px;
  left: var(--l);
  width: var(--w);
  box-sizing: border-box;
  display: flex;
  align-items: center;
  padding: 0 10px;
  border-radius: 6px;
  border: 1px solid color-mix(in srgb, var(--c) 45%, transparent);
  background: color-mix(in srgb, var(--c) 12%, transparent);
  color: color-mix(in srgb, var(--c) 80%, #fff);
  overflow: hidden;
  opacity: 0;
  transform: translateX(var(--from)) scaleX(.7);
  transform-origin: left center;
  transition:
    opacity .45s var(--sx-out) var(--d),
    transform .75s var(--sx-out) var(--d),
    background .3s linear, border-color .3s linear, color .3s linear, box-shadow .5s linear;
}
.sx-clip b{
  font-size: 11px;
  font-weight: 700;
  letter-spacing: -.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sx-p-clips .sx-clip{ opacity: 1; transform: none; }
.sx-clip.sx-lit{
  background: linear-gradient(180deg, color-mix(in srgb, var(--c) 92%, #ffffff) 0%, var(--c) 100%);
  border-color: #ffffff;
  color: #050e18;
  box-shadow:
    0 0 14px color-mix(in srgb, var(--c) 50%, transparent),
    0 0 24px color-mix(in srgb, var(--c) 22%, transparent),
    0 3px 8px rgba(0, 0, 0, 0.45);
  text-shadow: 0 0 1px rgba(255, 255, 255, 0.4);
}

/* Playhead — Professional Cinema CTI Scrubber */
.sx-head{
  position: absolute;
  top: 10px;
  bottom: 42px;
  left: 0;
  width: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s linear;
  will-change: transform;
  z-index: 5;
}
.sx-p-tracks .sx-head,
.sx-p-sweep .sx-head{ opacity: 1; }

/* Laser Beam Needle */
.sx-head-line{
  position: absolute;
  left: -1px;
  top: 26px;
  bottom: -6px;
  width: 2px;
  background: linear-gradient(180deg, #55ddff 0%, #ffffff 18%, #818cf8 65%, #ec4899 100%);
  box-shadow:
    0 0 4px rgba(255, 255, 255, 0.75),
    0 0 10px rgba(85, 221, 255, 0.60),
    0 0 20px rgba(129, 140, 248, 0.32);
}
/* Laser line bottom diamond anchor bead */
.sx-head-line::after{
  content: "";
  position: absolute;
  bottom: -3px;
  left: 50%;
  width: 6px;
  height: 6px;
  transform: translateX(-50%) rotate(45deg);
  background: #55ddff;
  border: 1px solid #ffffff;
  box-shadow: 0 0 5px rgba(85, 221, 255, 0.7), 0 0 11px rgba(129, 140, 248, 0.45);
}

/* CTI Scrubber Badge Head */
.sx-head-flag{
  position: absolute;
  top: -2px;
  left: 0;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 8px 3px 7px;
  border-radius: 6px;
  background: linear-gradient(180deg, #182338 0%, #0c1424 100%);
  color: #67e8f9;
  border: 1px solid rgba(103, 232, 249, 0.65);
  font-style: normal;
  font-size: 10px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  font-family: ui-monospace, SFMono-Regular, "JetBrains Mono", Menlo, monospace;
  letter-spacing: .06em;
  white-space: nowrap;
  box-shadow:
    0 0 11px rgba(85, 221, 255, 0.32),
    0 6px 16px rgba(0, 0, 0, 0.7),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
  text-shadow: 0 0 5px rgba(103, 232, 249, 0.42);
}
/* Micro pulsing status dot inside badge */
.sx-head-flag::before{
  content: "";
  display: inline-block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #55ddff;
  box-shadow: 0 0 5px rgba(85, 221, 255, 0.75);
  animation: sxHeadPulse 1.2s ease-in-out infinite alternate;
}
@keyframes sxHeadPulse{
  from{ opacity: 0.7; transform: scale(0.9); }
  to{ opacity: 0.95; transform: scale(1.1); box-shadow: 0 0 8px rgba(85, 221, 255, 0.8); }
}
/* Precision downward triangular arrow pointing to timeline */
.sx-head-flag::after{
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 4.5px solid transparent;
  border-right: 4.5px solid transparent;
  border-top: 5px solid #0c1424;
  filter: drop-shadow(0 1px 0 rgba(103, 232, 249, 0.6));
}

/* Meta status bar */
.sx-meta{
  display: flex;
  justify-content: space-between;
  margin-top: 12px;
  padding-top: 8px;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  font-variant-numeric: tabular-nums;
  font-size: 10px;
  letter-spacing: .2em;
  color: #94a3b8;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
.sx-tc{ color: #55ddff; font-weight: 600; }
.sx-rec{ display: inline-flex; align-items: center; gap: 8px; font-weight: 600; }
.sx-rec i{ width: 6px; height: 6px; border-radius: 50%; background: #ec4899; box-shadow: 0 0 10px #ec4899; animation: sxBlink 1s steps(2) infinite; }
@keyframes sxBlink{ 50%{ opacity: .15; } }

/* skip button */
.sx-skip{position:absolute;right:max(18px,env(safe-area-inset-right));bottom:max(18px,env(safe-area-inset-bottom));z-index:10;
  display:inline-flex;align-items:center;gap:10px;padding:10px 14px;border-radius:999px;cursor:pointer;
  border:1px solid rgba(255,255,255,.14);background:rgba(9,11,18,.75);color:#c1c6d1;font:600 11px/1 inherit;letter-spacing:.08em;
  backdrop-filter:blur(12px);touch-action:manipulation;transition:opacity .3s ease, border-color .25s, box-shadow .25s, transform .15s}
.sx-exit .sx-skip{opacity:0;pointer-events:none}
.sx-skip:hover,.sx-skip:focus-visible{color:#fff;border-color:rgba(69,228,255,.55);box-shadow:0 0 22px rgba(69,228,255,.25)}
.sx-skip:active{transform:scale(0.95)}
.sx-skip kbd{font:inherit;font-size:9px;opacity:.55;border:1px solid rgba(255,255,255,.2);border-radius:5px;padding:2px 5px}
@media(max-width:650px){.sx-skip kbd{display:none}}

/* Homepage is prepared behind the intro from the start with no delay, blur, or blank frame */
html.sx-intro-on .site-shell,
html.sx-intro-on.sx-revealing .site-shell{
  opacity: 1 !important;
  transform: none !important;
  filter: none !important;
  transition: none !important;
}

@media(prefers-reduced-motion:reduce){html.sx-intro-on .sx-intro{display:none}}

.sx-name{text-wrap:balance}
@media(max-width:650px){.sx-sub{letter-spacing:.24em;text-align:center}.sx-tail{display:none}}
@media(max-width:540px){
  .sx-tl{padding:18px 14px 14px;--sx-gutter:34px}
  .sx-tag{font-size:11px}
  .sx-clip{padding:0 6px}
  .sx-clip b{font-size:9.5px}
}