/* ============================================================
   ΤΗΛΕΜΑΤΙΚΗ ICT — Motion system styles
   Philosophy: calm on arrival, quietly alive on scroll.
   Only transform/opacity are animated. Content is hidden ONLY
   when <html> carries .tm-motion (added by an inline guard that
   also auto-reverts after 2.5s if motion.js never confirms).
   ============================================================ */

/* ---- Initial states (guarded — no-JS/failed-JS keeps content visible) ---- */
.tm-motion [data-reveal],
.tm-motion [data-reveal-item] {
  opacity: 0;
}
/* Headlines hide as a whole until JS splits them and positions the
   line innards via GSAP (never via CSS transform — GSAP would bake
   it into a px offset that the yPercent tween can't clear). */
.tm-motion [data-reveal-lines]:not(.lines-ready) {
  opacity: 0;
}
[data-reveal-lines] .line {
  display: block;
  overflow: hidden;
  /* room for descenders (g, y, p, ρ, φ…) under the tight 1.05 heading line-height:
     the mask grows downward, the negative margin keeps the line spacing unchanged */
  padding-bottom: 0.14em;
  margin-bottom: -0.14em;
}
[data-reveal-lines] .line-inner {
  display: block;
}

/* Reduced motion: never hide anything, kill marquee loops */
@media (prefers-reduced-motion: reduce) {
  .tm-motion [data-reveal],
  .tm-motion [data-reveal-item] { opacity: 1; }
  .tm-motion [data-reveal-lines] .line-inner { transform: none; }
}

/* ---- Scroll progress (injected by motion.js) ---- */
.tm-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2.5px;
  background: var(--rule-accent);
  transform: scaleX(0);
  transform-origin: left;
  z-index: 200;
  pointer-events: none;
}

/* ============================================================
   Methodology scrollytelling (Assess → Design → Deploy → Support)
   Desktop: pinned, scrub-driven. Mobile: natural vertical flow.
   ============================================================ */
.method-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: clamp(32px, 6vw, 96px);
  align-items: center;
}

.method-steps {
  position: relative;
  margin-top: var(--space-6);
  padding-left: 26px;
}

/* progress spine */
.method-steps::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: var(--border-subtle);
  border-radius: 1px;
}
.method-progress {
  position: absolute;
  left: 8px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  overflow: hidden;
  border-radius: 1px;
}
.method-progress-bar {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--rule-accent);
  transform: scaleY(0);
  transform-origin: top;
}

.method-step {
  position: relative;
  padding: 18px 0 18px 12px;
  transition: opacity var(--dur-slow) var(--ease-standard);
}
.method-step::before {
  content: "";
  position: absolute;
  left: -23px;
  top: 27px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--surface-page);
  border: 2px solid var(--border-strong);
  transition: border-color var(--dur-slow) var(--ease-standard),
              background-color var(--dur-slow) var(--ease-standard),
              transform var(--dur-slow) var(--ease-standard);
}
.method-step .step-kicker {
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.method-step .tm-numeral { font-size: 15px; }
.method-step .step-tag {
  font-size: var(--fs-eyebrow);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color var(--dur-slow) var(--ease-standard);
}
.method-step h3 {
  font-size: var(--fs-h5);
  margin-top: 6px;
  transition: color var(--dur-slow) var(--ease-standard);
}
.method-step p {
  margin-top: 6px;
  font-size: var(--fs-small);
  color: var(--text-muted);
  line-height: var(--lh-relaxed);
  max-width: 44ch;
}

/* inactive vs active step */
.tm-motion .method-step { opacity: 0.38; }
.tm-motion .method-step.is-active { opacity: 1; }
.method-step.is-active::before {
  border-color: var(--rule-accent);
  background: var(--rule-accent);
  transform: scale(1.15);
}
.method-step.is-active .step-tag { color: var(--text-eyebrow); }

/* visuals column */
.method-visuals {
  position: relative;
  aspect-ratio: 6 / 5;
  min-height: 300px;
}
.method-visual {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.method-visual svg {
  width: min(100%, 460px);
  height: auto;
  color: var(--text-numeral);
}
/* Only one visual at a time — statically the first, in motion the active */
.method-visual { opacity: 0; transition: opacity 0.45s var(--ease-standard); }
.method-visual.is-active { opacity: 1; }
html:not(.tm-motion) .method-visual:first-child { opacity: 1; }

/* Mobile / no-pin layout */
@media (max-width: 960px) {
  .method-grid { grid-template-columns: 1fr; }
  .method-visuals { display: none; }
  .tm-motion .method-step { opacity: 1; }
  .method-step::before { top: 24px; }
}

/* ============================================================
   Marquee (stats ticker / partner logos) — pure CSS loop
   ============================================================ */
.tm-marquee {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.tm-marquee .marquee-track {
  display: flex;
  width: max-content;
  gap: var(--space-8);
  padding-block: var(--space-4);
  animation: tmMarquee var(--marquee-dur, 36s) linear infinite;
}
.tm-marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes tmMarquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .tm-marquee .marquee-track { animation: none; }
  .tm-marquee { mask-image: none; -webkit-mask-image: none; }
}