/* ==========================================================================
   HISENSE BRAND PAGE – Dedicated Styles
   --------------------------------------------------------------------------
   Premium standalone design for the Hisense subpage.
   Uses design tokens from variables.css. Builds its own visual identity
   around Hisense teal (#00B3AC) with cinematic layouts and purposeful motion.
   ========================================================================== */


/* ==========================================================================
   1. HERO – Cinematic Fullscreen
   ========================================================================== */

.hs-hero {
  position: relative;
  height: 100vh;
  height: 100dvh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.hs-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hs-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
}

/* Gradient overlay — dark bottom for text legibility, subtle top for nav */
.hs-hero__media::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg,
      rgba(10, 12, 16, 0.6) 0%,
      rgba(10, 12, 16, 0.1) 30%,
      rgba(10, 12, 16, 0.05) 50%,
      rgba(10, 12, 16, 0.4) 75%,
      rgba(10, 12, 16, 0.92) 100%
    );
  z-index: 1;
}

.hs-hero__content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 4vw, 3rem) clamp(4rem, 8vh, 7rem);
}

.hs-hero__logo {
  margin-bottom: 1.5rem;
}

.hs-hero__logo img {
  height: clamp(32px, 4vw, 52px);
  width: auto;
  filter: brightness(0) invert(1);
  opacity: 0.9;
}

.hs-hero__title {
  font-size: clamp(2.25rem, 5vw, 4.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  max-width: 700px;
  margin-bottom: 1.25rem;
}

.hs-hero__subtitle {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  color: var(--text-secondary);
  max-width: 520px;
  line-height: 1.65;
  margin-bottom: 2.5rem;
}

.hs-hero__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Scroll indicator */
.hs-hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  color: rgba(255, 255, 255, 0.85);
  opacity: 1;
  transition: opacity var(--transition-base);
  animation: hs-arrow-bounce 2s ease-in-out infinite;
}

.hs-hero__scroll:hover {
  opacity: 1;
}

@keyframes hs-arrow-bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%      { transform: translateX(-50%) translateY(6px); }
}


/* ==========================================================================
   2. SHARED SECTION LAYOUT
   ========================================================================== */

.hs-section {
  padding: clamp(4rem, 8vw, 7rem) clamp(1.5rem, 4vw, 3rem);
}

.hs-container {
  max-width: 1280px;
  margin: 0 auto;
}

.hs-section--dark {
  background-color: var(--bg-secondary);
}

.hs-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-hisense);
  margin-bottom: 1rem;
}

.hs-section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.hs-section-subtitle {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 600px;
}


/* ==========================================================================
   3. BRAND INTRO
   ========================================================================== */

.hs-intro {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 768px) {
  .hs-intro {
    grid-template-columns: 1fr 1fr;
    gap: clamp(3rem, 6vw, 6rem);
  }
}

.hs-intro__text p {
  margin-top: 1.5rem;
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--text-secondary);
}

.hs-intro__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.hs-stat {
  padding: 1.5rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-base), background var(--transition-base);
}

.hs-stat:hover {
  border-color: rgba(0, 179, 172, 0.2);
  background: var(--glass-bg-accent);
}

.hs-stat__value {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  color: var(--accent-hisense);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.hs-stat__label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
  line-height: 1.4;
}

/* Full-width stat spanning two columns */
.hs-stat--wide {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}


/* ==========================================================================
   4. TECH SHOWCASE – Horizontal Scroll
   ========================================================================== */

.hs-tech {
  overflow: hidden;
}

.hs-tech__track {
  display: flex;
  gap: 1.25rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 1rem;
  scrollbar-width: none;
  cursor: grab;
}

.hs-tech__track::-webkit-scrollbar {
  display: none;
}

.hs-tech__track:active {
  cursor: grabbing;
}

.hs-tech__card {
  flex: 0 0 clamp(260px, 28vw, 320px);
  scroll-snap-align: start;
  padding: 2rem 1.75rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  transition:
    border-color var(--transition-base),
    transform var(--transition-smooth),
    background var(--transition-base);
}

.hs-tech__card:hover {
  border-color: rgba(0, 179, 172, 0.25);
  transform: translateY(-4px);
  background: var(--glass-bg-strong);
}

.hs-tech__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 179, 172, 0.08);
  border: 1px solid rgba(0, 179, 172, 0.15);
  border-radius: var(--radius-md);
  color: var(--accent-hisense);
  margin-bottom: 1.25rem;
}

.hs-tech__card-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.hs-tech__card-text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Scroll hint indicator */
.hs-tech__hint {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.hs-tech__hint svg {
  animation: hs-nudge 2s ease-in-out infinite;
}

@keyframes hs-nudge {
  0%, 100% { transform: translateX(0); }
  50%      { transform: translateX(6px); }
}

@media (min-width: 1024px) {
  .hs-tech__hint {
    display: none;
  }
  .hs-tech__track {
    overflow-x: visible;
    flex-wrap: wrap;
    gap: 1.25rem;
  }
  .hs-tech__card {
    flex: 1 1 calc(25% - 1rem);
    min-width: 0;
    scroll-snap-align: none;
  }
}


/* ==========================================================================
   5. PRODUCT GRID
   ========================================================================== */

.hs-products__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .hs-products__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .hs-products__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.hs-product {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition:
    border-color var(--transition-base),
    transform var(--transition-smooth),
    box-shadow var(--transition-base);
}

.hs-product:hover {
  border-color: rgba(0, 179, 172, 0.25);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(0, 179, 172, 0.1);
}

.hs-product__visual {
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0e1117 0%, #1a1d24 100%);
  position: relative;
  overflow: hidden;
}

/* Subtle gradient accent on hover */
.hs-product:hover .hs-product__visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 80%, rgba(0, 179, 172, 0.06) 0%, transparent 70%);
}

.hs-product__visual svg {
  opacity: 0.6;
  transition: opacity var(--transition-base), transform var(--transition-smooth);
}

.hs-product:hover .hs-product__visual svg {
  opacity: 0.9;
  transform: scale(1.05);
}

.hs-product__body {
  padding: 1.5rem;
}

.hs-product__tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-hisense);
  background: rgba(0, 179, 172, 0.08);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-pill);
  margin-bottom: 0.75rem;
}

.hs-product__name {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.hs-product__desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}


/* ==========================================================================
   6. ADVANTAGE SECTION
   ========================================================================== */

.hs-advantage {
  position: relative;
}

/* Top accent line */
.hs-advantage::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(80%, 600px);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-hisense), transparent);
  opacity: 0.4;
}

.hs-advantage__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 3rem;
}

@media (min-width: 768px) {
  .hs-advantage__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.hs-advantage__card {
  padding: 2rem 1.75rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  transition:
    border-color var(--transition-base),
    transform var(--transition-smooth),
    background var(--transition-base);
}

.hs-advantage__card:hover {
  border-color: rgba(0, 179, 172, 0.2);
  transform: translateY(-3px);
  background: var(--glass-bg-strong);
}

.hs-advantage__icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 179, 172, 0.06);
  border: 1px solid rgba(0, 179, 172, 0.12);
  border-radius: var(--radius-lg);
  color: var(--accent-hisense);
  margin-bottom: 1.25rem;
}

.hs-advantage__title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.hs-advantage__text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
}


/* ==========================================================================
   7. CTA SECTION
   ========================================================================== */

.hs-cta {
  background:
    radial-gradient(ellipse at 30% 50%, rgba(0, 179, 172, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 50%, rgba(26, 147, 210, 0.06) 0%, transparent 60%),
    var(--bg-secondary);
  text-align: center;
  border-top: 1px solid var(--border-color);
}

.hs-cta .hs-section-title {
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hs-cta__text {
  font-size: clamp(1rem, 1.4vw, 1.1rem);
  color: var(--text-secondary);
  max-width: 580px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.hs-cta__actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}


/* ==========================================================================
   8. HISENSE BUTTON VARIANT
   ========================================================================== */

.btn--hs {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  background: var(--accent-hisense);
  color: #fff;
  border: none;
  cursor: pointer;
  transition:
    background var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.btn--hs:hover {
  background: var(--accent-hisense-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(0, 179, 172, 0.25);
}

.btn--hs-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color-hover);
  cursor: pointer;
  transition:
    border-color var(--transition-fast),
    background var(--transition-fast),
    color var(--transition-fast);
}

.btn--hs-outline:hover {
  border-color: var(--accent-hisense);
  background: rgba(0, 179, 172, 0.06);
  color: var(--accent-hisense);
}

.btn--hs-outline svg {
  flex-shrink: 0;
}


/* ==========================================================================
   9. DIVIDER
   ========================================================================== */

.hs-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-color-hover), transparent);
  border: none;
  margin: 0;
}


/* ==========================================================================
   10. ENTRANCE ANIMATIONS
   ========================================================================== */

.hs-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Stagger children */
.hs-reveal[data-delay="1"] { transition-delay: 0.1s; }
.hs-reveal[data-delay="2"] { transition-delay: 0.2s; }
.hs-reveal[data-delay="3"] { transition-delay: 0.3s; }
.hs-reveal[data-delay="4"] { transition-delay: 0.4s; }
.hs-reveal[data-delay="5"] { transition-delay: 0.5s; }
.hs-reveal[data-delay="6"] { transition-delay: 0.6s; }


/* ==========================================================================
   11. HERO ENTRANCE ANIMATION
   ========================================================================== */

.hs-hero__content .hs-hero__logo {
  opacity: 0;
  transform: translateY(20px);
  animation: hs-hero-enter 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.3s forwards;
}

.hs-hero__content .hs-hero__title {
  opacity: 0;
  transform: translateY(20px);
  animation: hs-hero-enter 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.5s forwards;
}

.hs-hero__content .hs-hero__subtitle {
  opacity: 0;
  transform: translateY(20px);
  animation: hs-hero-enter 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.7s forwards;
}

.hs-hero__content .hs-hero__actions {
  opacity: 0;
  transform: translateY(20px);
  animation: hs-hero-enter 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.9s forwards;
}

.hs-hero__scroll {
  opacity: 0;
  animation: hs-hero-enter 0.8s cubic-bezier(0.16, 1, 0.3, 1) 1.2s forwards;
}

@keyframes hs-hero-enter {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}


/* ==========================================================================
   12. RESPONSIVE FINE-TUNING
   ========================================================================== */

@media (max-width: 767px) {
  .hs-hero {
    min-height: 90vh;
  }

  .hs-hero__scroll {
    display: none;
  }

  .hs-intro__stats {
    grid-template-columns: 1fr 1fr;
  }

  .hs-stat--wide {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }

  .hs-advantage__grid {
    gap: 1rem;
  }

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

@media (max-width: 480px) {
  .hs-section {
    padding: 3rem 1.25rem;
  }

  .hs-hero__content {
    padding: 0 1.25rem 3rem;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .hs-reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hs-hero__content .hs-hero__logo,
  .hs-hero__content .hs-hero__title,
  .hs-hero__content .hs-hero__subtitle,
  .hs-hero__content .hs-hero__actions,
  .hs-hero__scroll {
    opacity: 1;
    transform: none;
    animation: none;
  }

  .hs-hero__scroll-line::after,
  .hs-tech__hint svg {
    animation: none;
  }
}