/* ============================================================
   ZOI Wellness — Home Banner / Hero Slider
   File: css/banner-slider.css
   ============================================================ */

/* ----------------------------------------------------------
   Slider Container
   ---------------------------------------------------------- */
.banner-slider {
  position: relative;
  width: 100%;
  min-height: 100vh;
  overflow: hidden;
  background: var(--secondary-midnight);
}

/* ----------------------------------------------------------
   Slides
   ---------------------------------------------------------- */
.banner-slider__track {
  display: flex;
  width: 100%;
  height: 100%;
  position: relative;
}

.banner-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  min-height: 100vh;
  display: flex;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1),
              visibility 0.9s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
  transform: scale(1.04);
  z-index: 0;
}

.banner-slide.active {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
  z-index: 1;
}

.banner-slide.prev {
  opacity: 0;
  transform: scale(0.96);
  z-index: 0;
}

/* ----------------------------------------------------------
   Slide Background Image
   ---------------------------------------------------------- */
.banner-slide__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  border-radius: 0 !important;
  z-index: 0;
  transition: transform 8s ease;
  filter: brightness(0.55);
}

.banner-slide.active .banner-slide__bg {
  transform: scale(1.06);
}

/* Dark gradient overlay */
.banner-slide::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    110deg,
    rgba(0, 0, 20, 0.82) 0%,
    rgba(10, 25, 60, 0.65) 55%,
    rgba(0, 0, 0, 0.40) 100%
  );
  z-index: 1;
}

/* Subtle olive accent radial glow (top-right) */
.banner-slide::after {
  content: '';
  position: absolute;
  top: -15%;
  right: -10%;
  width: 55%;
  height: 80%;
  background: radial-gradient(circle, rgba(204, 220, 121, 0.12) 0%, transparent 70%);
  z-index: 1;
  pointer-events: none;
}

/* ----------------------------------------------------------
   Slide Content
   ---------------------------------------------------------- */
.banner-slide__content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: calc(var(--header-height) + 40px) 24px 80px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 60px;
}

/* Text column */
.banner-slide__text {
  color: var(--white);
}

.banner-slide__eyebrow {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--primary-olive);
  margin-bottom: 20px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease 0.3s, transform 0.6s ease 0.3s;
}

.banner-slide__eyebrow::after {
  content: '';
  display: block;
  width: 40px;
  height: 3px;
  background: var(--primary-olive);
  border-radius: 99px;
  margin-top: 8px;
}

.banner-slide__title {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--white);
  margin-bottom: 22px;
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease 0.45s, transform 0.65s ease 0.45s;
}

.banner-slide__title span {
  color: var(--primary-olive);
}

.banner-slide__desc {
  font-size: 1.1rem;
  color: var(--secondary-blue);
  line-height: 1.75;
  max-width: 560px;
  margin-bottom: 38px;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease 0.55s, transform 0.65s ease 0.55s;
}

.banner-slide__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.65s ease 0.65s, transform 0.65s ease 0.65s;
}

/* Animate text in when slide is active */
.banner-slide.active .banner-slide__eyebrow,
.banner-slide.active .banner-slide__title,
.banner-slide.active .banner-slide__desc,
.banner-slide.active .banner-slide__actions {
  opacity: 1;
  transform: translateY(0);
}

/* Image / visual column */
.banner-slide__visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.banner-slide__img-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.45);
  z-index: 2;
  width: 100%;
  max-width: 460px;
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.75s ease 0.4s, transform 0.75s ease 0.4s;
}

.banner-slide.active .banner-slide__img-frame {
  opacity: 1;
  transform: translateX(0);
}

.banner-slide__img-frame img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  display: block;
  border-radius: 0 !important;
  transition: transform 8s ease;
}

.banner-slide.active .banner-slide__img-frame img {
  transform: scale(1.06);
}

/* Border accent */
.banner-slide__frame-accent {
  position: absolute;
  inset: 0;
  border: 2px solid var(--primary-olive);
  border-radius: var(--radius-lg);
  top: 18px;
  left: 18px;
  z-index: 1;
  pointer-events: none;
}

/* Glass badge */
.banner-slide__badge {
  position: absolute;
  bottom: 24px;
  left: -36px;
  padding: 18px 22px;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 14px;
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  border-radius: var(--radius-md);
  opacity: 0;
  transform: translateX(-20px);
  transition: opacity 0.7s ease 0.75s, transform 0.7s ease 0.75s;
}

.banner-slide.active .banner-slide__badge {
  opacity: 1;
  transform: translateX(0);
}

.banner-slide__badge i {
  font-size: 1.9rem;
  color: var(--primary-navy);
}

.banner-slide__badge-text h4 {
  font-size: 1rem;
  color: var(--primary-navy);
  margin-bottom: 2px;
}

.banner-slide__badge-text p {
  font-size: 0.82rem;
  color: var(--body-color);
  margin: 0;
}

/* ----------------------------------------------------------
   Navigation – Arrows
   ---------------------------------------------------------- */
.banner-slider__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--white);
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.banner-slider__arrow:hover {
  background: var(--primary-olive);
  color: var(--primary-navy);
  border-color: var(--primary-olive);
  transform: translateY(-50%) scale(1.08);
  box-shadow: 0 8px 24px rgba(204, 220, 121, 0.3);
}

.banner-slider__arrow--prev {
  left: 28px;
}

.banner-slider__arrow--next {
  right: 28px;
}

/* ----------------------------------------------------------
   Navigation – Dots
   ---------------------------------------------------------- */
.banner-slider__dots {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  gap: 10px;
  align-items: center;
}

.banner-slider__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  border: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  padding: 0;
}

.banner-slider__dot.active {
  background: var(--primary-olive);
  width: 28px;
  border-radius: 99px;
}

.banner-slider__dot:hover {
  background: rgba(255, 255, 255, 0.65);
}

/* ----------------------------------------------------------
   Progress Bar
   ---------------------------------------------------------- */
.banner-slider__progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--primary-olive), rgba(204, 220, 121, 0.5));
  z-index: 10;
  border-radius: 0 99px 99px 0;
  transition: width linear;
}

/* ----------------------------------------------------------
   Slide counter
   ---------------------------------------------------------- */
.banner-slider__counter {
  position: absolute;
  bottom: 28px;
  right: 36px;
  z-index: 10;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 1px;
}

.banner-slider__counter .current {
  color: var(--primary-olive);
  font-size: 1.15rem;
}

/* ----------------------------------------------------------
   Responsive
   ---------------------------------------------------------- */

/* Large tablets / small desktops */
@media (max-width: 1024px) {
  .banner-slide__content {
    gap: 40px;
  }

  .banner-slide__img-frame {
    max-width: 380px;
  }

  .banner-slide__badge {
    left: -16px;
  }
}

/* Tablets (portrait & landscape) */
@media (max-width: 900px) {
  .banner-slide__content {
    grid-template-columns: 1fr;
    padding: calc(var(--header-height) + 24px) 32px 110px;
    text-align: center;
    gap: 28px;
  }

  /* Show visual stacked below text, fully centered */
  .banner-slide__visual {
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .banner-slide__img-frame {
    max-width: 320px;
    width: 100%;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.75s ease 0.4s, transform 0.75s ease 0.4s;
  }

  .banner-slide.active .banner-slide__img-frame {
    opacity: 1;
    transform: translateY(0);
  }

  .banner-slide__img-frame img {
    height: 220px;
  }

  /* Prevent badge overflowing outside the frame */
  .banner-slide__badge {
    left: 0;
    bottom: 14px;
    padding: 12px 16px;
    gap: 10px;
  }

  /* Keep accent inside visible area */
  .banner-slide__frame-accent {
    top: 10px;
    left: 10px;
  }

  .banner-slide__desc {
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
  }

  .banner-slide__actions {
    justify-content: center;
  }

  .banner-slide__eyebrow::after {
    margin: 8px auto 0;
  }

  .banner-slider__counter {
    display: none;
  }
}

/* Mobile (landscape & large phones) */
@media (max-width: 768px) {
  .banner-slide {
    min-height: 100svh;
  }

  .banner-slide__content {
    padding: calc(var(--header-height) + 20px) 20px 100px;
    text-align: center;
  }

  .banner-slide__title {
    font-size: clamp(2rem, 6.5vw, 3rem);
    margin-bottom: 16px;
  }

  .banner-slide__desc {
    font-size: 1rem;
    margin-bottom: 28px;
  }

  .banner-slide__actions {
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
  }

  .banner-slider__arrow {
    width: 42px;
    height: 42px;
    font-size: 0.95rem;
  }

  .banner-slider__arrow--prev {
    left: 14px;
  }

  .banner-slider__arrow--next {
    right: 14px;
  }

  .banner-slider__dots {
    bottom: 24px;
    gap: 8px;
  }
}

/* Small phones */
@media (max-width: 480px) {
  .banner-slide__content {
    padding: calc(var(--header-height) + 16px) 16px 90px;
    gap: 20px;
  }

  .banner-slide__eyebrow {
    font-size: 0.75rem;
    letter-spacing: 2px;
  }

  .banner-slide__title {
    font-size: clamp(1.75rem, 8vw, 2.5rem);
  }

  .banner-slide__desc {
    font-size: 0.93rem;
    line-height: 1.65;
    margin-bottom: 24px;
  }

  .banner-slide__actions .btn {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  /* Compact image on small phones */
  .banner-slide__img-frame {
    max-width: 260px;
  }

  .banner-slide__img-frame img {
    height: 180px;
  }

  .banner-slide__badge {
    padding: 10px 12px;
    gap: 8px;
  }

  .banner-slide__badge i {
    font-size: 1.4rem;
  }

  .banner-slide__badge-text h4 {
    font-size: 0.85rem;
  }

  .banner-slide__badge-text p {
    font-size: 0.72rem;
  }

  .banner-slider__arrow {
    width: 38px;
    height: 38px;
    font-size: 0.85rem;
  }

  .banner-slider__arrow--prev {
    left: 10px;
  }

  .banner-slider__arrow--next {
    right: 10px;
  }

  .banner-slider__dots {
    bottom: 18px;
  }
}

/* Very small phones (< 360px) */
@media (max-width: 360px) {
  .banner-slide__title {
    font-size: clamp(1.55rem, 8.5vw, 2rem);
  }

  .banner-slide__desc {
    font-size: 0.88rem;
  }

  .banner-slide__img-frame {
    max-width: 220px;
  }

  .banner-slide__img-frame img {
    height: 160px;
  }

  .banner-slider__arrow {
    width: 34px;
    height: 34px;
    font-size: 0.78rem;
  }
}