/* ============================================================
   Hero Slider — Vision International
   Full-screen CSS+JS slider, 3 slides, auto-advance, RTL-aware
   ============================================================ */

/* ---- Container ---- */
.hero-slider {
  position: relative;
  width: 100%;
  min-height: min(92vh, 58rem);
  overflow: hidden;
  background: var(--color-navy);
  display: grid;
}

/* ---- Each slide (stacked, z-controlled) ---- */
.hs-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 0.75s cubic-bezier(0.4, 0, 0.2, 1),
    visibility 0.75s;
  will-change: opacity;
  z-index: 1;
}

.hs-slide.is-active {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  z-index: 3;
}

.hs-slide.is-leaving {
  visibility: visible;
  opacity: 0;
  z-index: 2;
}

/* ---- Slide background layers ---- */
.hs-slide__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hs-slide__bg-inner {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(6, 182, 212, 0.28) 0%, transparent 55%),
    radial-gradient(ellipse 55% 45% at 95% 80%, rgba(13, 148, 136, 0.22) 0%, transparent 50%),
    radial-gradient(ellipse 50% 40% at 5% 55%, rgba(34, 197, 94, 0.1) 0%, transparent 45%),
    linear-gradient(168deg, #050a14 0%, #0b1220 38%, #0b1f24 62%, #0b1220 100%);
  animation: hero-gradient-shift 16s ease-in-out infinite alternate;
}

.hs-slide__bg-inner--2 {
  background:
    radial-gradient(ellipse 75% 55% at 20% 20%, rgba(34, 197, 94, 0.22) 0%, transparent 55%),
    radial-gradient(ellipse 60% 50% at 85% 75%, rgba(6, 182, 212, 0.18) 0%, transparent 50%),
    linear-gradient(152deg, #050e0c 0%, #0b1a18 42%, #0b1220 100%);
  animation: hero-gradient-shift 18s ease-in-out infinite alternate-reverse;
}

.hs-slide__bg-inner--3 {
  background:
    radial-gradient(ellipse 70% 50% at 75% 15%, rgba(6, 182, 212, 0.25) 0%, transparent 52%),
    radial-gradient(ellipse 55% 45% at 10% 85%, rgba(184, 149, 62, 0.12) 0%, transparent 50%),
    linear-gradient(140deg, #06080f 0%, #0b1220 40%, #13232e 100%);
  animation: hero-gradient-shift 20s ease-in-out infinite alternate;
}

.hs-slide__mesh {
  position: absolute;
  inset: 0;
  opacity: 0.3;
  background-image: radial-gradient(rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size: 30px 30px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse 90% 80% at 50% 40%, black 20%, transparent 75%);
}

.hs-slide__vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 85% 70% at 50% 50%, transparent 30%, rgba(5, 8, 15, 0.62) 100%);
  pointer-events: none;
}

/* ---- Orbs ---- */
.hs-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(64px);
  opacity: 0.28;
  animation: float-orb 12s ease-in-out infinite;
}

.hs-orb--a { width: min(42vw,22rem); height: min(42vw,22rem); background: var(--color-cyan); inset-inline-end: -4%; top: 8%; }
.hs-orb--b { width: min(32vw,16rem); height: min(32vw,16rem); background: var(--color-green); inset-inline-start: -5%; bottom: 10%; animation-delay: -4s; }
.hs-orb--c { width: min(38vw,20rem); height: min(38vw,20rem); background: var(--color-green); top: 5%; inset-inline-start: 5%; animation-delay: -2s; }
.hs-orb--d { width: min(30vw,15rem); height: min(30vw,15rem); background: var(--color-teal); bottom: 8%; inset-inline-end: 5%; animation-delay: -7s; }
.hs-orb--e { width: min(36vw,18rem); height: min(36vw,18rem); background: var(--color-cyan); inset-inline-end: 10%; top: 15%; animation-delay: -3s; }
.hs-orb--f { width: min(28vw,13rem); height: min(28vw,13rem); background: rgba(184,149,62,0.65); bottom: 12%; inset-inline-start: 8%; animation-delay: -9s; opacity: 0.18; }

@media (prefers-reduced-motion: reduce) { .hs-orb, .hs-slide__bg-inner { animation: none; } }

/* ---- Layout: content + visual ---- */
.hs-slide__layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: center;
  padding-block: clamp(3rem, 8vh, 5rem);
  width: min(100% - var(--space-xl), var(--max-w));
  margin-inline: auto;
  padding-inline: var(--space-md);
}

@media (max-width: 900px) {
  .hero-slider { min-height: auto; }
  .hs-slide__layout {
    grid-template-columns: 1fr;
    padding-block: clamp(2rem, 7vh, 3.5rem);
    text-align: center;
  }
}

/* ---- Content text ---- */
.hs-slide__content { color: #fff; }

.hs-slide__tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(6, 182, 212, 0.9);
  margin-bottom: clamp(0.75rem, 2vw, 1.25rem);
  padding: 0.35rem 0.85rem;
  border: 1px solid rgba(6, 182, 212, 0.3);
  border-radius: var(--radius-full);
  background: rgba(6, 182, 212, 0.08);
  backdrop-filter: blur(6px);
}

html[lang="ar"] .hs-slide__tag {
  letter-spacing: 0.04em;
  text-transform: none;
  font-family: "Noto Kufi Arabic", system-ui, sans-serif;
}

.hs-slide__title {
  font-family: "Reem Kufi", "Noto Kufi Arabic", system-ui, sans-serif;
  font-size: clamp(2rem, 5.2vw, 3.8rem);
  font-weight: 600;
  line-height: 1.15;
  color: #fff;
  margin: 0 0 clamp(0.75rem, 2vw, 1.25rem);
  text-shadow: 0 4px 48px rgba(0, 0, 0, 0.4);
  max-width: 18ch;
}

html[lang="en"] .hs-slide__title {
  font-family: "Playfair Display", Georgia, serif;
  letter-spacing: -0.02em;
  max-width: 20ch;
}

@media (max-width: 900px) {
  .hs-slide__title { max-width: none; font-size: clamp(1.8rem, 6vw, 2.6rem); margin-inline: auto; }
}

.hs-slide__lead {
  font-size: clamp(1rem, 1.3vw, 1.15rem);
  line-height: 1.78;
  color: rgba(255, 255, 255, 0.82);
  max-width: 42ch;
  margin: 0 0 clamp(1.5rem, 4vw, 2rem);
}

@media (max-width: 900px) { .hs-slide__lead { max-width: none; margin-inline: auto; } }

.hs-slide__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

@media (max-width: 900px) { .hs-slide__actions { justify-content: center; } }

/* ---- Visual panel ---- */
.hs-slide__visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

@media (max-width: 900px) {
  .hs-slide__visual { order: -1; max-height: min(45vw, 14rem); }
}

/* ---- SVG visual wrappers ---- */
.hs-visual {
  width: 100%;
  max-width: min(48vw, 22rem);
  animation: hero-img-float 7s ease-in-out infinite;
}

.hs-visual svg { width: 100%; height: auto; display: block; }

@media (max-width: 900px) {
  .hs-visual { max-width: min(56vw, 13rem); }
}

@media (prefers-reduced-motion: reduce) { .hs-visual { animation: none; } }

/* ---- Sparkle animation ---- */
.hs-sparkle { animation: hs-sparkle-pulse 3s ease-in-out infinite; }
.hs-sparkle--d1 { animation-delay: -1s; }
.hs-sparkle--d2 { animation-delay: -2s; }
.hs-sparkle--d3 { animation-delay: -0.5s; }

@keyframes hs-sparkle-pulse {
  0%, 100% { opacity: 0.55; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.4); }
}

@media (prefers-reduced-motion: reduce) { .hs-sparkle { animation: none; } }

/* ---- Controls ---- */
.hs-controls {
  position: absolute;
  bottom: clamp(1.25rem, 4vw, 2.25rem);
  inset-inline: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
}

.hs-btn {
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(6px);
  transition:
    background var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-fast);
}

.hs-btn:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.5);
  transform: scale(1.08);
}

.hs-dots {
  display: flex;
  gap: 0.45rem;
  align-items: center;
}

.hs-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.35);
  cursor: pointer;
  padding: 0;
  transition:
    background var(--transition-fast),
    transform var(--transition-fast),
    width var(--transition-base);
}

.hs-dot.is-active {
  background: var(--color-cyan);
  width: 22px;
  border-radius: var(--radius-full);
  box-shadow: 0 0 10px rgba(6, 182, 212, 0.55);
}

/* ---- Progress bar ---- */
.hs-progress {
  position: absolute;
  bottom: 0;
  inset-inline: 0;
  height: 3px;
  background: rgba(255, 255, 255, 0.1);
  z-index: 10;
}

.hs-progress__bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--color-teal), var(--color-cyan));
  transition: width 0.1s linear;
}

/* ============================================================
   Stats section
   ============================================================ */
.section--stats {
  background:
    linear-gradient(180deg, #f8fafc 0%, #fff 55%, #f4f6f9 100%);
}

.stats-grid {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
}

.stat-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-xl) var(--space-lg);
  background: linear-gradient(165deg, #fff 0%, #f8fafc 100%);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm), inset 0 1px 0 rgba(255, 255, 255, 0.9);
  overflow: hidden;
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base);
}

.stat-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 50% -10%, rgba(6, 182, 212, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.stat-card::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--gradient-brand);
  transform: scaleX(0);
  transform-origin: 50% 0;
  transition: transform 0.5s var(--ease-out-expo);
}

.stat-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

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

.stat-card__icon {
  width: 2.75rem;
  height: 2.75rem;
  margin-bottom: var(--space-md);
  color: var(--color-teal);
  background: linear-gradient(135deg, rgba(13,148,136,0.1) 0%, rgba(6,182,212,0.07) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.stat-card__icon svg {
  width: 1.4rem;
  height: 1.4rem;
  display: block;
}

.stat-card__num {
  font-family: "Reem Kufi", "Noto Kufi Arabic", system-ui, sans-serif;
  font-size: clamp(2.2rem, 4.5vw, 3.2rem);
  font-weight: 700;
  line-height: 1;
  margin-bottom: 0.5rem;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-variant-numeric: tabular-nums;
}

.stat-card__label {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  font-weight: 500;
  line-height: 1.55;
  max-width: 14rem;
}

/* ============================================================
   Testimonials — premium
   ============================================================ */
.testimonial-card--premium {
  position: relative;
  background: linear-gradient(165deg, #fff 0%, #f8fafc 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl) var(--space-xl) var(--space-xl);
  box-shadow: var(--shadow-sm), inset 0 1px 0 rgba(255,255,255,0.9);
  overflow: hidden;
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base);
}

.testimonial-card--premium:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.testimonial-card__quote-icon {
  position: absolute;
  top: 1rem;
  inset-inline-end: 1.25rem;
  font-size: 5rem;
  line-height: 1;
  color: var(--color-teal);
  opacity: 0.1;
  font-family: Georgia, serif;
  pointer-events: none;
  user-select: none;
}

html[dir="rtl"] .testimonial-card__quote-icon { inset-inline-end: auto; inset-inline-start: 1.25rem; }

.testimonial-card--premium blockquote {
  font-size: clamp(0.95rem, 1.2vw, 1.05rem);
  line-height: 1.75;
  color: var(--color-text);
  margin: 0 0 var(--space-lg);
  position: relative;
  z-index: 1;
}

.testimonial-card__cite {
  font-style: normal;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--color-teal);
  display: block;
}

/* Wider cards for this track */
.testimonial-card--premium { flex: 0 0 min(100%, 26rem); }

/* reverse arrow direction for testimonial nav (premium) */
.testimonial-nav button { font-size: 1.4rem; }

/* ============================================================
   RESPONSIVE — comprehensive breakpoint overrides
   Covers: hero-slider, page-hero, product cards, value cards,
   why-compare, about-values, stats, testimonials, trust-strip
   ============================================================ */

/* ── 1280px: large desktop fine-tuning ── */
@media (max-width: 1280px) {
  .hs-slide__layout {
    padding-inline: var(--space-xl);
  }
}

/* ── 1024px: tablet landscape ── */
@media (max-width: 1024px) {
  .product-rich-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .about-values-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-hero--split .container {
    grid-template-columns: 1fr minmax(0, 13rem);
    gap: var(--space-xl);
  }

  .page-hero h1 {
    font-size: clamp(1.85rem, 3.8vw, 2.8rem);
  }
}

/* ── 900px: tablet portrait / large phone ── */
@media (max-width: 900px) {
  /* Hero slider already handled in slider.css above —
     reinforce single-column and smaller visual */
  .hero-slider {
    min-height: min(85vh, 38rem);
  }

  .hs-slide__layout {
    padding-inline: var(--space-lg);
    gap: var(--space-lg);
  }

  .hs-slide__visual {
    max-height: min(38vw, 12rem);
    overflow: hidden;
  }

  .hs-visual {
    max-width: min(52vw, 14rem);
  }

  /* Stats grid 2-col on tablet */
  .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  /* Why compare full width cols */
  .why-compare {
    gap: var(--space-md);
  }
}

/* ── 768px: tablet portrait / phone landscape ── */
@media (max-width: 768px) {
  /* Page hero: stack, center, tighter padding */
  .page-hero {
    padding-block: clamp(2.5rem, 8vw, 3.5rem);
  }

  .page-hero--split .container {
    grid-template-columns: 1fr;
  }

  .page-hero--split .page-hero__visual {
    display: none;
  }

  .page-hero h1 {
    font-size: clamp(1.75rem, 6vw, 2.4rem);
    text-align: center;
  }

  .page-hero .section__label {
    display: block;
    text-align: center;
    width: fit-content;
    margin-inline: auto;
  }

  .page-hero .section__lead {
    text-align: center;
    max-width: 36ch;
    margin-inline: auto;
  }

  /* Page hero orbs smaller on mobile */
  .page-hero__orb--1 {
    width: min(50vw, 10rem);
    height: min(50vw, 10rem);
    opacity: 0.15;
  }

  .page-hero__orb--2 {
    width: min(40vw, 8rem);
    height: min(40vw, 8rem);
    opacity: 0.12;
  }

  /* Product rich grid single column */
  .product-rich-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .product-rich-card__visual {
    min-height: 7rem;
    padding: var(--space-lg) var(--space-lg) var(--space-sm);
  }

  .product-rich-card__visual svg {
    width: min(5.5rem, 45%);
  }

  /* About values single column */
  .about-values-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .about-value-card__num {
    font-size: 2rem;
  }

  /* Why compare single column */
  .why-compare {
    grid-template-columns: 1fr;
  }

  /* Stats 2-col */
  .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-md);
  }

  .stat-card {
    padding: var(--space-lg) var(--space-md);
  }

  .stat-card__num {
    font-size: clamp(1.9rem, 6vw, 2.6rem);
  }

  /* Testimonials scroll */
  .testimonial-card--premium {
    flex: 0 0 min(100%, 22rem);
    padding: var(--space-xl) var(--space-lg) var(--space-lg);
  }

  /* Trust strip wraps gracefully */
  .trust-strip__inner {
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-sm) var(--space-lg);
  }

  .trust-strip__dot {
    display: none;
  }
}

/* ── 600px: small phones ── */
@media (max-width: 600px) {
  /* Hero slider: tighter, single col already active */
  .hero-slider {
    min-height: min(80vh, 32rem);
  }

  .hs-slide__layout {
    padding-block: clamp(1.5rem, 6vh, 2.5rem);
    padding-inline: var(--space-md);
    text-align: center;
  }

  .hs-slide__visual {
    display: none; /* hide SVG on very small to give text breathing room */
  }

  .hs-slide__title {
    font-size: clamp(1.55rem, 7.5vw, 2rem);
  }

  .hs-slide__lead {
    font-size: 0.92rem;
  }

  .hs-slide__actions {
    flex-direction: column;
    align-items: center;
  }

  .hs-controls {
    gap: var(--space-sm);
  }

  .hs-btn {
    width: 2.25rem;
    height: 2.25rem;
  }

  /* Page hero */
  .page-hero {
    padding-block: clamp(2rem, 7vw, 3rem);
  }

  .page-hero h1 {
    font-size: clamp(1.6rem, 7.5vw, 2.1rem);
  }

  /* Product cards */
  .product-rich-card__body {
    padding: var(--space-md);
  }

  .product-rich-card__title {
    font-size: 0.98rem;
  }

  /* Values cards */
  .about-value-card {
    padding: var(--space-lg) var(--space-md);
  }

  /* Stats 1-col on very small */
  .stats-grid {
    grid-template-columns: 1fr;
  }

  /* Why-compare col padding */
  .why-compare__col {
    padding: var(--space-lg) var(--space-md);
  }

  /* Section head: tighter */
  .section__head {
    margin-bottom: var(--space-xl);
  }

  /* CTA strip */
  .cta-strip--premium .cta-strip__actions {
    flex-direction: column;
    align-items: center;
  }

  /* Trust strip: smaller text */
  .trust-strip__item {
    font-size: 0.8rem;
  }
}

/* ── 480px: very small phones ── */
@media (max-width: 480px) {
  .hero-slider {
    min-height: min(75vh, 28rem);
  }

  .hs-slide__title {
    font-size: clamp(1.4rem, 8vw, 1.85rem);
  }

  .page-hero h1 {
    font-size: clamp(1.45rem, 8vw, 1.9rem);
  }

  .hs-dots .hs-dot {
    width: 7px;
    height: 7px;
  }

  .hs-dot.is-active {
    width: 18px;
  }

  /* Testimonial card full width */
  .testimonial-card--premium {
    flex: 0 0 100%;
  }

  /* About value num smaller */
  .about-value-card__num {
    font-size: 1.75rem;
  }

  /* Stats num smaller */
  .stat-card__num {
    font-size: clamp(1.7rem, 8vw, 2.2rem);
  }
}