/* =============================================================================
   TRAFFIC PLAN — Solutions CSS
   Fundal verde, carduri navy cu ilustrații CSS/SVG, pattern principal brand
   ============================================================================= */

/* ─── Secțiunea soluții ──────────────────────────────────────────────────── */
.tp-solutions {
  background:
    radial-gradient(ellipse at 75% 40%, rgba(74,139,63,0.3) 0%, transparent 55%),
    linear-gradient(135deg, #1E2A3A 0%, #243040 40%, #2d4a2d 70%, #4A8B3F 100%);
  padding: var(--sp-20) 0;
  position: relative;
  overflow: hidden;
}

@media (min-width: 1024px) {
  .tp-solutions {
    padding: var(--sp-24) 0;
  }
}

.tp-solutions__header {
  position: relative;
  z-index: 1;
  margin-bottom: var(--sp-12);
}

.tp-solutions__title {
  font-size: clamp(1.75rem, 3.5vw, var(--fs-3xl));
  color: var(--tp-white);
  margin-bottom: var(--sp-4);
  max-width: 560px;
}

.tp-solutions__subtitle {
  font-size: var(--fs-md);
  color: rgba(255,255,255,0.75);
  max-width: 500px;
  line-height: 1.7;
}

/* ─── Grid soluții ───────────────────────────────────────────────────────── */
.tp-solutions__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-5);
}

@media (min-width: 640px) {
  .tp-solutions__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .tp-solutions__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ─── Card soluție (navy dark) ───────────────────────────────────────────── */
.tp-solution-card {
  background-color: var(--tp-navy-800);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-xl);
  padding: var(--sp-6);
  display: flex;
  flex-direction: column;
  transition: all var(--ease-normal);
  position: relative;
  overflow: hidden;
}

.tp-solution-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--tp-teal-500), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--ease-normal);
}

.tp-solution-card:hover {
  background-color: var(--tp-navy-700);
  transform: translateY(-5px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.4);
  border-color: rgba(46,196,182,0.2);
}

.tp-solution-card:hover::after {
  transform: scaleX(1);
}

/* ─── Ilustrație CSS/SVG în card ──────────────────────────────────────────── */
.tp-solution-card__illustration {
  width: 100%;
  height: 160px;
  margin-bottom: var(--sp-5);
  border-radius: var(--radius-md);
  background-color: rgba(255,255,255,0.04);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 1. Bar chart — Monitorizare Trafic */
.tp-illu-chart {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 6px;
  padding: 16px;
  width: 100%;
  height: 100%;
}

.tp-illu-chart__bar {
  flex: 1;
  max-width: 14px;
  border-radius: 3px 3px 0 0;
  background: linear-gradient(to top, var(--tp-teal-500) 0%, rgba(46,196,182,0.3) 100%);
  position: relative;
}

.tp-illu-chart__bar:nth-child(3) {
  background: linear-gradient(to top, var(--tp-orange-500) 0%, rgba(232,135,61,0.3) 100%);
}

/* Linie trend deasupra */
.tp-illu-chart__trend {
  position: absolute;
  top: -8px;
  left: -18px;
  right: -18px;
  height: 1.5px;
  background: rgba(46,196,182,0.4);
  border-top: 1.5px dashed rgba(46,196,182,0.5);
}

/* 2. Video bounding boxes — Procesare Video */
.tp-illu-video {
  position: relative;
  width: 100%;
  height: 100%;
  background-color: rgba(26,35,50,0.8);
  overflow: hidden;
}

.tp-illu-video__frame {
  position: absolute;
  border: 1.5px solid var(--tp-teal-500);
  border-radius: 2px;
}

.tp-illu-video__frame::before {
  content: attr(data-label);
  position: absolute;
  top: -1px;
  left: -1px;
  background-color: var(--tp-teal-500);
  color: var(--tp-navy-900);
  font-family: var(--font-mono);
  font-size: 0.5rem;
  font-weight: 700;
  padding: 1px 4px;
  white-space: nowrap;
  line-height: 1.4;
}

.tp-illu-video__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(46,196,182,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46,196,182,0.06) 1px, transparent 1px);
  background-size: 14px 14px;
}

/* 3. Intersecție — Simulare Trafic */
.tp-illu-intersection {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tp-illu-intersection__road-h,
.tp-illu-intersection__road-v {
  position: absolute;
  background-color: rgba(255,255,255,0.08);
}

.tp-illu-intersection__road-h {
  left: 0;
  right: 0;
  height: 18px;
  top: 50%;
  transform: translateY(-50%);
}

.tp-illu-intersection__road-v {
  top: 0;
  bottom: 0;
  width: 18px;
  left: 50%;
  transform: translateX(-50%);
}

.tp-illu-intersection__dash-h {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  transform: translateY(-50%);
  background: repeating-linear-gradient(
    90deg,
    rgba(255,255,255,0.4) 0px,
    rgba(255,255,255,0.4) 8px,
    transparent 8px,
    transparent 16px
  );
}

.tp-illu-intersection__dash-v {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  transform: translateX(-50%);
  background: repeating-linear-gradient(
    to bottom,
    rgba(255,255,255,0.4) 0px,
    rgba(255,255,255,0.4) 8px,
    transparent 8px,
    transparent 16px
  );
}

.tp-illu-intersection__car {
  position: absolute;
  width: 8px;
  height: 12px;
  border-radius: 2px;
}

/* 4. Heatmap — Hărți Fonice */
.tp-illu-heatmap {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-template-rows: repeat(4, 1fr);
  gap: 3px;
  padding: 12px;
  width: 100%;
  height: 100%;
}

.tp-illu-heatmap__cell {
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.42rem;
  font-weight: 700;
  color: rgba(255,255,255,0.85);
}

/* ─── SVG inline ilustrații pagina Soluții ───────────────────────────────── */
.tp-solution__visual {
  width: 100%;
  aspect-ratio: 5 / 3;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.06);
}

.tp-solution__visual svg {
  width: 100%;
  height: 100%;
  display: block;
}

/* ─── Card content ───────────────────────────────────────────────────────── */
.tp-solution-card__title {
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--tp-teal-500);
  margin-bottom: var(--sp-3);
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.tp-solution-card__desc {
  font-size: var(--fs-sm);
  color: rgba(255,255,255,0.65);
  line-height: 1.7;
  flex: 1;
  margin-bottom: var(--sp-4);
}

.tp-solution-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-display);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  transition: all var(--ease-fast);
  margin-top: auto;
}

.tp-solution-card:hover .tp-solution-card__link {
  color: var(--tp-teal-400);
  gap: var(--sp-3);
}