/* Scroll animations & motion — Shona Tech–inspired */

/* Scroll progress bar */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-bright));
  z-index: 1100;
  transition: width 80ms linear;
}

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(48px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
  will-change: opacity, transform;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal--left {
  transform: translateX(-48px);
}

.reveal--left.is-visible {
  transform: translateX(0);
}

.reveal--right {
  transform: translateX(48px);
}

.reveal--right.is-visible {
  transform: translateX(0);
}

.reveal--scale {
  transform: scale(0.92);
}

.reveal--scale.is-visible {
  transform: scale(1);
}

.reveal-delay-1 { transition-delay: 100ms; }
.reveal-delay-2 { transition-delay: 200ms; }
.reveal-delay-3 { transition-delay: 300ms; }
.reveal-delay-4 { transition-delay: 400ms; }

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal--left,
  .reveal--right,
  .reveal--scale {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .marquee__track {
    animation: none !important;
  }
}

/* Hero slider */
.hero-slider {
  position: relative;
  min-height: calc(100vh - var(--header-height));
  min-height: calc(100dvh - var(--header-height));
  overflow: hidden;
  background: linear-gradient(135deg, #0d1630 0%, var(--color-primary) 45%, var(--color-secondary) 100%);
}

.hero-slider__track {
  display: flex;
  height: 100%;
  transition: transform 700ms cubic-bezier(0.22, 1, 0.36, 1);
}

.hero-slider__slide {
  flex: 0 0 100%;
  min-height: calc(100vh - var(--header-height));
  min-height: calc(100dvh - var(--header-height));
  display: flex;
  align-items: center;
  position: relative;
  padding: var(--space-16) 0;
}

.hero-slider__slide::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 40%, rgba(74, 105, 189, 0.35) 0%, transparent 60%),
    radial-gradient(ellipse 50% 50% at 20% 80%, rgba(46, 69, 150, 0.2) 0%, transparent 50%);
  pointer-events: none;
}

.hero-slider__content {
  position: relative;
  z-index: 2;
  max-width: 640px;
}

.hero-slider__eyebrow {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent-bright);
  margin-bottom: var(--space-4);
}

.hero-slider__eyebrow--red {
  color: var(--color-brand-red);
}

.hero-slider__title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: var(--weight-bold);
  color: var(--color-white);
  line-height: 1.08;
  margin-bottom: var(--space-6);
}

.hero-slider__text {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.78);
  margin-bottom: var(--space-8);
  max-width: 520px;
}

.hero-slider__visual {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 48%;
  max-width: 560px;
  z-index: 1;
  opacity: 0.95;
  transition: transform 700ms cubic-bezier(0.22, 1, 0.36, 1), opacity 700ms ease;
}

.hero-slider__slide:not(.is-active) .hero-slider__visual {
  opacity: 0;
  transform: translateY(-50%) scale(0.9) translateX(40px);
}

.hero-slider__visual img {
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-glow);
  width: 100%;
}

.hero-slider__controls {
  position: absolute;
  bottom: var(--space-10);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  z-index: 10;
}

.hero-slider__dots {
  display: flex;
  gap: var(--space-2);
}

.hero-slider__dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  border: 2px solid rgba(255, 255, 255, 0.4);
  background: transparent;
  cursor: pointer;
  padding: 0;
  transition: all var(--transition-base);
}

.hero-slider__dot.is-active,
.hero-slider__dot:hover {
  background: var(--color-white);
  border-color: var(--color-white);
  transform: scale(1.2);
}

.hero-slider__arrow {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-white);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(8px);
  transition: background var(--transition-base), border-color var(--transition-base);
}

.hero-slider__arrow:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

/* Enhanced stats strip */
.stats-strip--enhanced {
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  padding: var(--space-12) 0;
  margin-top: -1px;
}

.stat-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6);
  text-align: center;
  backdrop-filter: blur(12px);
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.stat-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-accent-bright);
  box-shadow: var(--shadow-glow);
}

.stat-card__number {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: var(--weight-bold);
  color: var(--color-white);
  line-height: 1;
}

.stat-card__number .count {
  color: var(--color-accent-bright);
}

.stat-card__label {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.65);
  margin-top: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Portfolio carousel */
.carousel {
  position: relative;
}

.carousel__viewport {
  overflow: hidden;
  border-radius: var(--radius-xl);
}

.carousel__track {
  display: flex;
  gap: var(--space-6);
  transition: transform 600ms cubic-bezier(0.22, 1, 0.36, 1);
  padding: var(--space-2) 0;
}

.carousel__slide {
  flex: 0 0 calc(33.333% - var(--space-4));
  min-width: 300px;
}

.carousel-card {
  height: 100%;
  background: var(--color-white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-neutral-100);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  display: flex;
  flex-direction: column;
}

.carousel-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-glow);
}

.carousel-card__visual {
  height: 200px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 60%, var(--color-accent-bright) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.carousel-card__visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.06'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.carousel-card__icon {
  font-size: 3rem;
  color: rgba(255, 255, 255, 0.9);
  position: relative;
  z-index: 1;
}

.carousel-card__body {
  padding: var(--space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.carousel-card__client {
  font-size: var(--text-xs);
  color: var(--color-neutral-500);
  margin-top: auto;
  padding-top: var(--space-4);
}

.carousel__nav {
  display: flex;
  justify-content: center;
  gap: var(--space-3);
  margin-top: var(--space-8);
}

.carousel__btn {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-accent);
  background: var(--color-white);
  color: var(--color-accent);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-lg);
  transition: all var(--transition-base);
}

.carousel__btn:hover:not(:disabled) {
  background: var(--color-accent);
  color: var(--color-white);
}

.carousel__btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.carousel__dots {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.carousel__dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  border: none;
  background: var(--color-neutral-300);
  cursor: pointer;
  padding: 0;
  transition: all var(--transition-base);
}

.carousel__dot.is-active {
  width: 28px;
  background: var(--color-accent);
}

/* Client marquee */
.marquee {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.marquee__track {
  display: flex;
  gap: var(--space-8);
  width: max-content;
  animation: marquee-scroll 30s linear infinite;
}

.marquee__track:hover {
  animation-play-state: paused;
}

.marquee__item {
  flex-shrink: 0;
  min-width: 220px;
  padding: var(--space-8) var(--space-10);
  background: var(--color-white);
  border: 1px solid var(--color-neutral-100);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: var(--weight-semibold);
  font-size: var(--text-lg);
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.marquee__item:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}

.marquee__logo {
  max-height: 36px;
  max-width: 160px;
  width: auto;
  object-fit: contain;
}

@keyframes marquee-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Services horizontal snap on mobile */
.services-scroll {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

@media (max-width: 991px) {
  .hero-slider__visual {
    display: none;
  }

  .carousel__slide {
    flex: 0 0 calc(85% - var(--space-4));
  }

  .services-scroll {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: var(--space-4);
    padding-bottom: var(--space-4);
    -webkit-overflow-scrolling: touch;
  }

  .services-scroll > * {
    flex: 0 0 80%;
    scroll-snap-align: center;
  }
}

@media (max-width: 575px) {
  .carousel__slide {
    flex: 0 0 92%;
  }
}