/* ==========================================================================
   KLIMAX Teplice – Components
   --------------------------------------------------------------------------
   All reusable UI components: navigation, buttons, trust bar, cards,
   KORE teaser, CTA section, footer, and scroll-triggered animations.
   ========================================================================== */


/* ==========================================================================
   1. NAVIGATION (.nav)
   ==========================================================================
   Fixed top bar. Starts transparent over the hero, transitions to a frosted
   glass surface on scroll via JS-toggled .nav--scrolled class.
   ========================================================================== */

.nav {
  position: fixed;
  top: 1rem;
  left: 0;
  right: 0;
  margin: 0 auto;
  width: 90%;
  max-width: 1200px;
  z-index: var(--z-nav);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 50px;
  transition: all 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Scrolled state – frosted glass pill */
.nav--scrolled {
  background: rgba(18, 20, 24, 0.65);
  -webkit-backdrop-filter: blur(var(--glass-blur-heavy)) saturate(1.6);
  backdrop-filter: blur(var(--glass-blur-heavy)) saturate(1.6);
  border: 1px solid var(--glass-border);
  box-shadow:
    var(--glass-glow),
    0 10px 40px rgba(0, 0, 0, 0.3);
}

/* Mobile Nav Reset (Full width to fix toggler offset) */
@media (max-width: 767px) {
  .nav {
    width: 100%;
    top: 0;
    border-radius: 0;
    border-left: none;
    border-right: none;
    border-top: none;
  }
}

/* --- Nav Inner ------------------------------------------------------------- */
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  transition: height var(--transition-smooth);
}

.nav--scrolled .nav__inner {
  height: var(--nav-height-scrolled);
}

/* --- Logo ----------------------------------------------------------------- */
.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  flex-shrink: 0;
}

.nav__logo-img {
  height: 20px;
  width: auto;
  display: block;
}

/* --- Menu ----------------------------------------------------------------- */
.nav__menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav__menu-item {
  position: relative;
}

.nav__menu-link {
  color: var(--text-primary);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.25rem 0;
  position: relative;
  transition: color var(--transition-base);
}

/* Accent underline on hover */
.nav__menu-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-klimax);
  border-radius: 1px;
  transition: width var(--transition-base);
}

.nav__menu-link:hover,
.nav__menu-link--active {
  color: var(--text-primary);
}

.nav__menu-link:hover::after,
.nav__menu-link--active::after {
  width: 100%;
}

/* --- Nav CTA -------------------------------------------------------------- */
.nav__cta {
  margin-left: 0.5rem;
}

/* --- Hamburger Toggle ----------------------------------------------------- */
.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  cursor: pointer;
  padding: 0;
  background: none;
  border: none;
  position: relative;
  z-index: calc(var(--z-nav) + 10);
}

.nav__toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition:
    transform var(--transition-base),
    opacity var(--transition-base);
}

/* Hamburger → X animation when menu open */
.nav__toggle.active .nav__toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__toggle.active .nav__toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav__toggle.active .nav__toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --- Mobile Menu (< 768px) ------------------------------------------------ */
@media (max-width: 767px) {
  .nav__toggle {
    display: flex;
  }

  .nav__menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    background: rgba(18, 20, 24, 0.98);
    -webkit-backdrop-filter: blur(40px);
    backdrop-filter: blur(40px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1.25rem;
    padding: 1.5rem 2rem;
    opacity: 0;
    transform: scale(1.05);
    pointer-events: none;
    transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1), transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .nav__menu--open {
    opacity: 1;
    transform: scale(1);
    pointer-events: auto;
  }

  .nav__menu-link {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #ffffff;
    opacity: 0.8;
    padding: 0.25rem 0;
    transition: opacity 0.2s ease, color 0.2s ease;
  }
  
  .nav__menu-link.active,
  .nav__menu-link:active {
    opacity: 1;
    color: var(--accent-klimax);
  }

  .nav__cta {
    margin-left: 0;
    margin-top: 1rem;
    width: auto;
    min-width: 200px;
    max-width: 280px;
    padding: 0.75rem 2rem;
    font-size: 1rem;
    text-align: center;
  }
}

/* --- Very small phones (< 380px) ----------------------------------------- */
@media (max-width: 379px) {
  .nav__menu {
    gap: 1rem;
    padding: 1rem 1.5rem;
  }

  .nav__menu-link {
    font-size: 1.3rem;
  }

  .nav__cta {
    min-width: 180px;
    padding: 0.65rem 1.5rem;
    font-size: 0.9rem;
  }
}


/* ==========================================================================
   2. BUTTONS (.btn)
   ==========================================================================
   Versatile button system with primary (KLIMAX blue), secondary (outline),
   ghost (text), and Hisense-branded variants.
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 0.9rem;
  line-height: 1.4;
  text-decoration: none;
  cursor: pointer;
  transition:
    background-color var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-fast);
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.97);
}

.btn--pill {
  border-radius: 999px;
  padding-left: 2rem;
  padding-right: 2rem;
}

/* --- Primary: KLIMAX Blue fill -------------------------------------------- */
.btn--primary {
  background-color: var(--accent-klimax);
  color: #ffffff;
  border: 1px solid transparent;
}

.btn--primary:hover {
  background-color: var(--accent-klimax-hover);
  box-shadow: var(--shadow-glow-klimax);
}

/* --- Secondary: Outlined -------------------------------------------------- */
.btn--secondary {
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color-hover);
}

.btn--secondary:hover {
  border-color: var(--accent-klimax);
  color: var(--accent-klimax);
}

/* --- Ghost: Text-only ----------------------------------------------------- */
.btn--ghost {
  background-color: transparent;
  color: var(--accent-klimax);
  border: 1px solid transparent;
  padding: 0.5rem 1rem;
}

.btn--ghost:hover {
  background-color: var(--accent-klimax-glow);
}

/* --- White: Solid white fill ---------------------------------------------- */
.btn--white {
  background-color: #ffffff;
  color: var(--accent-klimax);
  border: 1px solid transparent;
}

.btn--white:hover {
  background-color: rgba(255, 255, 255, 0.9);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* --- Ghost White: Text-only, white text ----------------------------------- */
.btn--ghost-white {
  background-color: transparent;
  color: #ffffff;
  border: 1px solid transparent;
  padding: 0.5rem 1rem;
}

.btn--ghost-white:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

/* --- Hisense: Teal fill (brand-specific) ---------------------------------- */
.btn--hisense {
  background-color: var(--accent-hisense);
  color: #ffffff;
  border: 1px solid transparent;
}

.btn--hisense:hover {
  background-color: var(--accent-hisense-hover);
  box-shadow: var(--shadow-glow-hisense);
}

/* --- Hisense: Outlined ---------------------------------------------------- */
.btn--hisense-outline {
  background-color: transparent;
  color: var(--accent-hisense);
  border: 1px solid var(--accent-hisense);
}

.btn--hisense-outline:hover {
  background-color: rgba(0, 179, 172, 0.1);
  color: var(--accent-hisense);
  box-shadow: 0 0 15px rgba(0, 179, 172, 0.2);
}

/* --- Glass: Frosted glass button ------------------------------------------ */
.btn--glass {
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.btn--glass.btn--primary {
  background-color: rgba(26, 147, 210, 0.75);
  border: 1px solid rgba(26, 147, 210, 0.3);
  box-shadow: var(--glass-glow), var(--glass-shadow);
}

.btn--glass.btn--primary:hover {
  background-color: rgba(26, 147, 210, 0.9);
  box-shadow: var(--glass-glow-strong), 0 4px 20px rgba(26, 147, 210, 0.3);
}

.btn--glass.btn--secondary {
  background-color: var(--glass-bg-strong);
  border: 1px solid var(--glass-border-strong);
  box-shadow: var(--glass-glow);
}

.btn--glass.btn--secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: var(--glass-glow-strong);
}


/* ==========================================================================
   3. TRUST BAR (.trust-bar)
   ==========================================================================
   Horizontal band of partner / certification logos in muted grayscale.
   ========================================================================== */

.trust-bar {
  background-color: var(--bg-primary);
  padding: 2.5rem 0;
  border-top: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.trust-bar__label {
  color: rgba(255, 255, 255, 0.3);
  text-transform: uppercase;
  letter-spacing: 3px;
  font-size: 0.7rem;
  font-weight: 500;
  text-align: center;
  margin-bottom: 1.25rem;
}

.trust-bar__logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2.5rem;
  flex-wrap: wrap;
  padding: 0 1rem;
}

.trust-bar__item {
  opacity: 0.5;
  filter: grayscale(100%);
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 600;
  letter-spacing: 1px;
  padding: 0.5rem 0;
  transition:
    opacity var(--transition-base),
    filter var(--transition-base);
  white-space: nowrap;
}

.trust-bar__item:hover {
  opacity: 1;
  color: #ffffff;
  filter: grayscale(0%);
}

.trust-bar__item img {
  height: 28px;
  width: auto;
}

/* Wider spacing on desktop */
@media (min-width: 768px) {
  .trust-bar__logos {
    gap: 4rem;
  }
}


/* ==========================================================================
/* ==========================================================================
   4. Z-PATTERN ROW (.z-row)
   ==========================================================================
   Premium alternating image and text blocks used for core pillars.
   ========================================================================== */

.z-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
  margin-bottom: 6rem;
}

.z-row:last-child {
  margin-bottom: 0;
}

@media (max-width: 1023px) {
  /* On tablet/mobile, we'll turn the parent of z-rows into a horizontal snap carousel.
     This assumes the parent is .pillars-z or similar wrapper. We apply styles directly to .z-row
     to ensure it works even if the parent isn't strictly styled. */
}

@media (max-width: 767px) {
  .pillars-z {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    gap: 1.5rem;
    padding-bottom: 2rem;
    scrollbar-width: none; /* Hide scrollbar for cleaner look */
  }
  
  .pillars-z::-webkit-scrollbar {
    display: none;
  }

  .z-row {
    flex: 0 0 85vw;
    scroll-snap-align: center;
    margin-bottom: 0;
  }
  
  /* Create an edge-to-edge feel by pushing out the sides */
  .pillars-z {
    margin-left: -1.5rem;
    margin-right: -1.5rem;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}

@media (min-width: 1024px) {
  .z-row {
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
  }
  
  .z-row--reverse .z-row__content {
    order: 2;
  }
  
  .z-row--reverse .z-row__image {
    order: 1;
  }
}

.z-row__content {
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 2;
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(1.2);
  backdrop-filter: blur(var(--glass-blur)) saturate(1.2);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--glass-glow), var(--glass-glow-edge), var(--glass-shadow);
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.z-row__content:hover {
  border-color: var(--glass-border-strong);
  box-shadow: var(--glass-glow-strong), var(--glass-glow-edge), var(--glass-shadow-lg);
}

/* Refraction overlay on z-row content */
.z-row__content::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
}

.z-row__label {
  color: var(--accent-klimax);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.8rem;
  margin-bottom: 1rem;
}

.z-row__title {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  line-height: 1.1;
  color: var(--text-primary);
}

.z-row__text {
  color: var(--text-secondary);
  font-size: 1.125rem;
  margin-bottom: 10px;
  line-height: 1.8;
}

.z-row__image {
  position: relative;
  z-index: 0;
  /* Wave-inspired asymmetric shape */
  border-radius: 120px 15px 120px 15px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0,0,0,0.08);
  transition: border-radius var(--transition-slow), transform var(--transition-base);
}

.z-row--reverse .z-row__image {
  border-radius: 120px 15px 120px 15px;
}

@media (max-width: 767px) {
  .z-row {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }

  .z-row__image,
  .z-row--reverse .z-row__image {
    order: 1;
    width: 100%;
    border-radius: 24px 24px 0 0; /* Rounded on top, flat on bottom where it fades */
    box-shadow: none; 
    
    /* Fade ONLY the bottom edge out into transparency so it blends with the background */
    -webkit-mask-image: linear-gradient(to bottom, black 70%, transparent 100%);
    mask-image: linear-gradient(to bottom, black 70%, transparent 100%);
  }

  .z-row__content {
    order: 2;
    background: transparent;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    border: none;
    box-shadow: none;
    /* Pull the text UP into the faded space of the image so they visually merge */
    margin-top: -3rem;
    margin-bottom: 2rem; /* Added margin at the bottom to give it breathing room */
    padding: 0 1rem;
    position: relative;
    z-index: 2;
  }
  
  .z-row__content::after {
    display: none;
  }
  
  .z-row__content:hover {
    border: none;
    box-shadow: none;
  }
  
  .z-row__title {
    font-size: 2rem;
  }
}

.z-row__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}



/* ==========================================================================
   5. BRANDS HERO (.brands-hero)
   ==========================================================================
   Featured structural layout for Hisense
   ========================================================================== */

/* Glass panel for Hisense hero showcase */
.brands-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
  margin-top: 2rem;
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  backdrop-filter: blur(16px) saturate(1.2);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 3rem;
  box-shadow: var(--glass-glow), var(--glass-glow-edge), var(--glass-shadow);
  position: relative;
}

.brands-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: var(--glass-refraction);
  pointer-events: none;
}

@media (min-width: 900px) {
  .brands-hero {
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
  }
}

.brands-hero__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.brands-hero__badge {
  color: var(--accent-hisense);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.85rem;
  margin-bottom: 1.5rem;
}

.brands-hero__logo {
  margin-bottom: 2rem;
}

.brands-hero__title {
  color: #ffffff;
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

.brands-hero__desc {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.15rem;
  line-height: 1.7;
  margin-bottom: 2.5rem;
  max-width: 600px;
}

.brands-hero__image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
  position: relative;
}

.brands-hero__image::after {
  content: '';
  position: absolute;
  inset: 0;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.1);
  border-radius: inherit;
  pointer-events: none;
}

.brands-hero__image img {
  width: 100%;
  height: auto;
  display: block;
}

/* ==========================================================================
   5.5 BRAND ROWS (.brand-row)
   ==========================================================================
   Directory/list layout for represented brands. Clean, minimalist B2B style.
   ========================================================================== */

.brands-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.brand-row {
  display: flex;
  align-items: center;
  padding: 2.5rem;
  color: var(--text-primary);
  text-decoration: none;
  transition: all 0.5s cubic-bezier(0.25, 1, 0.5, 1);
  position: relative;
  
  /* Liquid Glass Base */
  background: rgba(255, 255, 255, 0.03);
  -webkit-backdrop-filter: blur(12px) saturate(1.2);
  backdrop-filter: blur(12px) saturate(1.2);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  box-shadow: 
    0 4px 20px rgba(0, 0, 0, 0.2),
    inset 0 1px 1px rgba(255, 255, 255, 0.1);
}

.brand-row:hover {
  background: rgba(255, 255, 255, 0.08);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  backdrop-filter: blur(20px) saturate(1.5);
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 
    0 15px 40px rgba(0, 0, 0, 0.4),
    0 0 20px rgba(0, 179, 172, 0.15),
    inset 0 1px 1px rgba(255, 255, 255, 0.3);
  transform: translateY(-5px) scale(1.01);
}

.brand-row__logo {
  flex: 0 0 250px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.5rem;
}

.brand-row__logo img, .brand-row__logo svg {
  max-width: 160px;
  max-height: 40px;
  width: auto;
  height: auto;
  display: block;
  object-fit: contain;
  filter: brightness(0) invert(1);
  transition: filter 0.3s ease;
}


.brand-row__badge {
  color: var(--accent-hisense);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.7rem;
  margin-top: 0.5rem;
}

.brand-row__content {
  flex: 1;
  padding: 0 2rem;
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.3s ease;
}

.brand-row__desc {
  margin: 0;
  font-size: 1.1rem;
  max-width: 800px;
  line-height: 1.6;
}

.brand-row__action {
  flex: 0 0 50px;
  display: flex;
  justify-content: flex-end;
  color: var(--border-color);
  transition: all 0.3s ease;
}

.brand-row:hover .brand-row__action {
  transform: translateX(10px);
  color: #ffffff;
}
/* Responsive */
@media (max-width: 768px) {
  .brand-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 2rem;
  }
  .brand-row__logo { flex: auto; }
  .brand-row__content { padding: 0; }
  .brand-row__action { align-self: flex-end; }
}


/* ==========================================================================
   6. SERVICE CARDS (.service-card)
   ==========================================================================
   Left-bordered cards for the services preview section. 2×2 grid on desktop.
   ========================================================================== */

.services-preview__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .services-preview__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.service-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  min-height: 480px;
  display: flex;
  align-items: flex-end;
  background: var(--bg-primary);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  box-shadow: var(--glass-shadow);
  border: 1px solid var(--glass-border);
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--glass-shadow-lg);
  border-color: var(--glass-border-strong);
}

.service-card__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.service-card:hover .service-card__bg {
  transform: scale(1.08);
}

.service-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(18, 20, 24, 0.95) 0%, rgba(18, 20, 24, 0.4) 60%, transparent 100%);
  z-index: 1;
  transition: background var(--transition-base);
}

.service-card:hover .service-card__overlay {
  background: linear-gradient(to top, rgba(18, 20, 24, 0.95) 0%, rgba(18, 20, 24, 0.8) 100%);
}

.service-card__content {
  position: relative;
  z-index: 2;
  padding: 2.5rem 2rem;
  width: 100%;
  display: flex;
  flex-direction: column;
}

.service-card__icon {
  color: var(--accent-klimax);
  margin-bottom: 1rem;
}

.service-card__title {
  color: #ffffff;
  font-size: 1.5rem;
  margin-bottom: 0;
  transition: margin var(--transition-base);
}

.service-card__text {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
  line-height: 1.6;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height var(--transition-base), opacity var(--transition-base), margin var(--transition-base);
}

.service-card:hover .service-card__title {
  margin-bottom: 0.5rem;
}

.service-card:hover .service-card__text {
  max-height: 200px;
  opacity: 1;
  margin-top: 0.5rem;
}


/* ==========================================================================
   7. KORE TEASER (.kore-teaser)
   ==========================================================================
   Full width feature highlight section with a wave separator at the top.
   ========================================================================== */

.kore-teaser {
  position: relative;
  background-color: var(--bg-secondary);
  padding: 8rem 0 6rem;
}

.kore-teaser__wave-top {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  overflow: hidden;
  line-height: 0;
}

.kore-teaser__wave-top svg {
  position: relative;
  display: block;
  width: calc(100% + 1.3px);
  height: 60px;
}

@media (min-width: 768px) {
  .kore-teaser__wave-top svg {
    height: 90px;
  }
}

/* Pseudo-elements removed – clean flat card, no animated borders */

.kore-teaser__content {
  position: relative;
  z-index: var(--z-base);
  max-width: 700px;
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(1.2);
  backdrop-filter: blur(var(--glass-blur)) saturate(1.2);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--glass-glow), var(--glass-glow-edge), var(--glass-shadow);
}

.kore-teaser__content h2 {
  margin-bottom: 1rem;
}

.kore-teaser__content p {
  margin-bottom: 1.5rem;
}

.kore-teaser__features {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 2rem;
}

.kore-teaser__feature {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.kore-teaser__feature-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-klimax);
  font-size: 1rem;
}

@media (min-width: 768px) {
  .kore-teaser {
    padding: 4rem 3rem;
  }

  .kore-teaser__features {
    grid-template-columns: repeat(2, 1fr);
  }
}


/* ==========================================================================
   8. CTA SECTION (.cta-section)
   ==========================================================================
   Vibrant full-color call-to-action block.
   ========================================================================== */

.cta-section {
  position: relative;
  background: linear-gradient(135deg, rgba(26, 147, 210, 0.9) 0%, rgba(21, 128, 188, 0.85) 100%);
  -webkit-backdrop-filter: blur(var(--glass-blur));
  backdrop-filter: blur(var(--glass-blur));
  text-align: center;
  padding: 5rem 0;
}

.cta-section__content {
  max-width: 650px;
  margin: 0 auto;
  padding: 3rem;
}

.cta-section__content h2 {
  margin-bottom: 1rem;
}

.cta-section__content p {
  margin-bottom: 2rem;
}

@media (min-width: 768px) {
  .cta-section {
    padding: 5rem 0;
  }
}

@media (min-width: 1024px) {
  .cta-section {
    padding: 6rem 0;
  }
}


/* ==========================================================================
   9. FOOTER (.footer)
   ==========================================================================
   Dark footer with 4-column grid, links, contact info, and bottom bar.
   ========================================================================== */

.footer {
  background-color: var(--bg-primary);
  background-image: radial-gradient(circle at 10% 0%, rgba(0, 179, 172, 0.05), transparent 40%),
                    radial-gradient(circle at 90% 100%, rgba(0, 179, 172, 0.05), transparent 40%);
  border-top: 1px solid var(--glass-border);
  padding: 4rem 0 2rem;
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--accent-klimax) 50%, transparent 100%);
  opacity: 0.3;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer__col {
  min-width: 0; /* Prevent overflow in grid */
}

.footer__title {
  color: #ffffff;
  font-weight: 600;
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer__title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background-color: var(--accent-klimax);
  border-radius: 2px;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer__link {
  color: var(--text-secondary);
  font-size: 0.95rem;
  text-decoration: none;
  transition: all var(--transition-base);
  display: inline-flex;
  align-items: center;
}

.footer__link:hover {
  color: var(--accent-klimax);
  transform: translateX(6px);
}

.footer__contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  padding: 0.75rem 1.25rem 0.75rem 0.75rem; /* padding adjusted for pill shape */
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 999px; /* Pill shape */
  backdrop-filter: blur(var(--glass-blur));
  box-shadow: var(--glass-glow), 0 4px 12px rgba(0,0,0,0.1);
  font-size: 0.95rem;
  line-height: 1.4;
  transition: all var(--transition-base);
  text-decoration: none;
}

.footer__contact-item:hover {
  transform: translateX(4px) translateY(-2px);
  background: var(--glass-bg-strong);
  border-color: var(--glass-border-strong);
  box-shadow: var(--glass-glow-strong), var(--glass-shadow);
}

.footer__contact-item:last-child {
  margin-bottom: 0;
}

.footer__contact-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--glass-bg-accent);
  border: 1px solid var(--glass-border-accent);
  box-shadow: inset 0 0 10px rgba(0, 179, 172, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-klimax);
}

.footer__contact-text {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.footer__contact-text strong {
  color: #fff;
  font-weight: 500;
  font-size: 0.9rem;
}



/* --- Footer Bottom Bar ---------------------------------------------------- */
.footer__bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: center;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* Responsive footer */
@media (min-width: 480px) {
  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .footer {
    padding: 4rem 0 2rem;
  }

  .footer__title {
    margin-bottom: 1.5rem;
  }

  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    padding-top: 2rem;
    margin-top: 3rem;
    text-align: left;
  }
}

@media (min-width: 1024px) {
  .footer__grid {
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 4rem;
  }
}


/* ==========================================================================
   10. FADE-IN ANIMATIONS
   ==========================================================================
   Scroll-triggered entrance animations. The .fade-in--visible class is
   toggled by JavaScript (IntersectionObserver) when elements enter viewport.
   ========================================================================== */

/* --- Base: Fade Up -------------------------------------------------------- */
.fade-in,
.fade-in-up {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}

/* --- Variant: Fade from Left ---------------------------------------------- */
.fade-in-left {
  opacity: 0;
  transform: translateX(-20px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}

/* --- Variant: Fade from Right --------------------------------------------- */
.fade-in-right {
  opacity: 0;
  transform: translateX(20px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}

/* --- Visible state (applied by IntersectionObserver) ---------------------- */
.fade-in--visible,
.fade-in--visible.fade-in,
.fade-in--visible.fade-in-up,
.fade-in--visible.fade-in-left,
.fade-in--visible.fade-in-right {
  opacity: 1;
  transform: translate(0, 0);
}

/* --- Staggered Delays ----------------------------------------------------- */
/* Using nth-child for cards within grid containers */
.fade-in:nth-child(1) { transition-delay: 0s; }
.fade-in:nth-child(2) { transition-delay: 0.1s; }
.fade-in:nth-child(3) { transition-delay: 0.2s; }
.fade-in:nth-child(4) { transition-delay: 0.3s; }
.fade-in:nth-child(5) { transition-delay: 0.4s; }
.fade-in:nth-child(6) { transition-delay: 0.5s; }

/* Data-attribute based delays for fine-grained control */
[data-delay="100"] { transition-delay: 0.1s; }
[data-delay="200"] { transition-delay: 0.2s; }
[data-delay="300"] { transition-delay: 0.3s; }
[data-delay="400"] { transition-delay: 0.4s; }
[data-delay="500"] { transition-delay: 0.5s; }
[data-delay="600"] { transition-delay: 0.6s; }