/* ========================================
   CSS Variables
   ======================================== */
:root {
  --color-bg-header: #000000;
  --color-text-primary: #FFFFFF;
  --color-text-secondary: #CCCCCC;
  --color-text-hover: #FFFFFF;
  --color-dropdown-bg: #1A1A1A;
  --color-dropdown-hover: #2A2A2A;
  --color-border: rgba(255, 255, 255, 0.1);
  --color-search-bg: #111111;

  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-nav: 13px;
  --font-size-dropdown: 14px;
  --font-weight-nav: 600;
  --letter-spacing-nav: 0.8px;

  --header-height: 90px;
  --header-padding-x: 40px;
  --transition-speed: 0.25s;
}

/* ========================================
   Reset & Base
   ======================================== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-family);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  text-decoration: none;
  color: inherit;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
  color: inherit;
}

ul, ol {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ========================================
   Header
   ======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: var(--color-bg-header);
  z-index: 1000;
}

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 var(--header-padding-x);
  max-width: 1440px;
  margin: 0 auto;
}

/* ========================================
   Logo
   ======================================== */
.header__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.header__logo-img {
  height: 50px;
  width: auto;
}

/* ========================================
   Navigation
   ======================================== */
.header__nav {
  display: flex;
  align-items: center;
}

.header__nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.header__nav-item {
  position: relative;
}

.header__nav-link {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 8px 14px;
  color: var(--color-text-secondary);
  font-size: var(--font-size-nav);
  font-weight: var(--font-weight-nav);
  letter-spacing: var(--letter-spacing-nav);
  text-transform: uppercase;
  white-space: nowrap;
  transition: color var(--transition-speed) ease;
  border-radius: 4px;
}

.header__nav-link:hover,
.header__nav-link:focus-visible {
  color: var(--color-text-hover);
}

.header__nav-arrow {
  width: 10px;
  height: 6px;
  transition: transform var(--transition-speed) ease;
  opacity: 0.7;
}

.header__nav-item--dropdown:hover .header__nav-arrow,
.header__nav-item--dropdown.is-open .header__nav-arrow {
  transform: rotate(180deg);
  opacity: 1;
}

/* ========================================
   Dropdown
   ======================================== */
.header__dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--color-dropdown-bg);
  border-radius: 6px;
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--transition-speed) ease,
              visibility var(--transition-speed) ease,
              transform var(--transition-speed) ease;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  margin-top: 8px;
}

.header__nav-item--dropdown:hover .header__dropdown,
.header__nav-item--dropdown.is-open .header__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.header__dropdown-link {
  display: block;
  padding: 10px 20px;
  font-size: var(--font-size-dropdown);
  color: var(--color-text-secondary);
  transition: background var(--transition-speed) ease,
              color var(--transition-speed) ease;
}

.header__dropdown-link:hover,
.header__dropdown-link:focus-visible {
  background: var(--color-dropdown-hover);
  color: var(--color-text-hover);
}

/* ========================================
   Header Actions (Cart, Search, Hamburger)
   ======================================== */
.header__actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.header__action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--color-text-secondary);
  border-radius: 6px;
  transition: color var(--transition-speed) ease,
              background var(--transition-speed) ease;
}

.header__action-btn:hover,
.header__action-btn:focus-visible {
  color: var(--color-text-hover);
  background: rgba(255, 255, 255, 0.08);
}

/* ========================================
   Hamburger (Mobile)
   ======================================== */
.header__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  gap: 5px;
  border-radius: 6px;
  transition: background var(--transition-speed) ease;
}

.header__hamburger:hover {
  background: rgba(255, 255, 255, 0.08);
}

.header__hamburger-line {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-text-secondary);
  border-radius: 2px;
  transition: transform var(--transition-speed) ease,
              opacity var(--transition-speed) ease,
              background var(--transition-speed) ease;
}

.header__hamburger.is-active .header__hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
  background: var(--color-text-hover);
}

.header__hamburger.is-active .header__hamburger-line:nth-child(2) {
  opacity: 0;
}

.header__hamburger.is-active .header__hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
  background: var(--color-text-hover);
}

/* ========================================
   Search Overlay
   ======================================== */
.header__search {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: var(--color-search-bg);
  display: flex;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-speed) ease,
              visibility var(--transition-speed) ease;
  z-index: 10;
}

.header__search.is-active {
  opacity: 1;
  visibility: visible;
}

.header__search-inner {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 0 var(--header-padding-x);
  max-width: 1440px;
  margin: 0 auto;
  gap: 12px;
}

.header__search-input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--color-text-primary);
  font-size: 16px;
  font-family: var(--font-family);
  padding: 8px 0;
}

.header__search-input::placeholder {
  color: var(--color-text-secondary);
}

.header__search-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--color-text-secondary);
  border-radius: 6px;
  transition: color var(--transition-speed) ease,
              background var(--transition-speed) ease;
}

.header__search-close:hover {
  color: var(--color-text-hover);
  background: rgba(255, 255, 255, 0.08);
}

/* ========================================
   Responsive - Tablet & Mobile
   ======================================== */
@media (max-width: 1024px) {
  :root {
    --header-padding-x: 24px;
  }

  .header__nav-link {
    padding: 8px 10px;
    font-size: 12px;
  }
}

@media (max-width: 768px) {
  :root {
    --header-padding-x: 16px;
  }

  .header__hamburger {
    display: flex;
  }

  .header__nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background: var(--color-bg-header);
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform var(--transition-speed) ease;
  }

  .header__nav.is-open {
    transform: translateX(0);
  }

  .header__nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .header__nav-link {
    padding: 14px 16px;
    font-size: 14px;
    justify-content: space-between;
    border-bottom: 1px solid var(--color-border);
  }

  .header__dropdown {
    position: static;
    min-width: 100%;
    background: transparent;
    box-shadow: none;
    margin-top: 0;
    border-radius: 0;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    opacity: 1;
    visibility: visible;
    transform: none;
    transition: max-height var(--transition-speed) ease;
  }

  .header__nav-item--dropdown.is-open .header__dropdown {
    max-height: 400px;
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .header__dropdown-link {
    padding: 12px 32px;
    font-size: 13px;
    border-bottom: 1px solid var(--color-border);
  }
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 500px;
  max-height: 600px;
  overflow: hidden;
  display: flex;
  align-items: center;
}

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

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

.hero__container {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 var(--header-padding-x);
  padding-top: var(--header-height);
  gap: 40px;
}

.hero__product {
  flex: 1 1 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__product-img {
  max-width: 520px;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 20px 60px rgba(100, 60, 200, 0.3));
}

.hero__content {
  flex: 1 1 40%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.hero__title {
  font-size: 56px;
  font-weight: 300;
  letter-spacing: 14px;
  color: #FFFFFF;
  text-transform: uppercase;
  line-height: 1.1;
}

.hero__title-accent {
  color: #8CC63F;
  font-weight: 700;
}

.hero__subtitle {
  font-size: 20px;
  font-weight: 400;
  color: #CCCCCC;
  letter-spacing: 0.5px;
  margin-top: 4px;
}

.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  font-size: 14px;
  font-weight: 500;
  color: #8CC63F;
  letter-spacing: 0.5px;
  text-decoration: none;
  transition: opacity 0.25s ease;
}

.hero__cta:hover {
  opacity: 0.8;
}

.hero__cta-arrow {
  font-size: 12px;
  transition: transform 0.25s ease;
}

.hero__cta:hover .hero__cta-arrow {
  transform: translateX(4px);
}

/* Hero Responsive */
@media (max-width: 1024px) {
  .hero__title {
    font-size: 44px;
    letter-spacing: 10px;
  }

  .hero__product-img {
    max-width: 400px;
  }
}

@media (max-width: 768px) {
  .hero {
    max-height: none;
    height: auto;
    min-height: 100vh;
  }

  .hero__container {
    flex-direction: column;
    padding-top: calc(var(--header-height) + 32px);
    padding-bottom: 48px;
    gap: 24px;
    text-align: center;
  }

  .hero__product {
    flex: none;
  }

  .hero__product-img {
    max-width: 300px;
  }

  .hero__content {
    flex: none;
    align-items: center;
  }

  .hero__title {
    font-size: 36px;
    letter-spacing: 8px;
  }

  .hero__subtitle {
    font-size: 17px;
  }
}

/* ========================================
   Categories Section
   ======================================== */
.categories {
  background: var(--color-bg-header);
  padding: 60px 0 80px;
}

.categories__container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--header-padding-x);
}

.categories__card {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: #1C1C1C;
  border-radius: 8px;
  overflow: hidden;
  text-decoration: none;
  transition: transform var(--transition-speed) ease,
              box-shadow var(--transition-speed) ease;
}

.categories__card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5);
}

.categories__card-img-wrap {
  width: 100%;
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: #2A2A2A;
  overflow: hidden;
}

.categories__card-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: transform 0.4s ease;
}

.categories__card:hover .categories__card-img {
  transform: scale(1.05);
}

.categories__card-title {
  padding: 20px 16px;
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text-primary);
  text-align: center;
  letter-spacing: 0.3px;
}

/* Categories Responsive */
@media (max-width: 768px) {
  .categories {
    padding: 40px 0 56px;
  }

  .categories__container {
    grid-template-columns: 1fr;
    gap: 16px;
    max-width: 480px;
  }

  .categories__card-title {
    font-size: 15px;
    padding: 16px 12px;
  }
}

@media (max-width: 1024px) and (min-width: 769px) {
  .categories__container {
    gap: 16px;
  }

  .categories__card-title {
    font-size: 14px;
  }
}

/* ========================================
   Brand Intro Section
   ======================================== */
.brand-intro {
  background: var(--color-bg-header);
  padding: 64px 0 80px;
}

.brand-intro__container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--header-padding-x);
  text-align: center;
}

.brand-intro__title {
  font-size: 40px;
  font-weight: 300;
  letter-spacing: 12px;
  color: var(--color-text-primary);
  margin-bottom: 16px;
  text-transform: uppercase;
}

.brand-intro__subtitle {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 20px;
}

.brand-intro__text {
  font-size: 14px;
  line-height: 1.8;
  color: #999999;
  max-width: 680px;
  margin: 0 auto;
}

/* Brand Intro Responsive */
@media (max-width: 768px) {
  .brand-intro {
    padding: 48px 0 56px;
  }

  .brand-intro__title {
    font-size: 28px;
    letter-spacing: 8px;
  }

  .brand-intro__subtitle {
    font-size: 17px;
  }

  .brand-intro__text {
    font-size: 13px;
  }
}

/* ========================================
   Shop by Series - Carousel
   ======================================== */
.shop-series {
  background: var(--color-bg-header);
  padding: 80px 0 64px;
}

.shop-series__header {
  text-align: center;
  margin-bottom: 48px;
  padding: 0 var(--header-padding-x);
}

.shop-series__title {
  font-size: 36px;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 12px;
  font-style: normal;
}

.shop-series__desc {
  font-size: 16px;
  color: #999999;
  font-style: normal;
}

.shop-series__carousel {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 60px;
}

.shop-series__track-wrap {
  overflow: hidden;
  border-radius: 8px;
}

.shop-series__track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.shop-series__slide {
  flex: 0 0 33.333%;
  padding: 0 12px;
  box-sizing: border-box;
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.shop-series__slide.is-center .shop-series__card {
  transform: scale(1.02);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.shop-series__card {
  background: #1C1C1C;
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.shop-series__card:hover {
  border-color: rgba(255, 255, 255, 0.12);
}

.shop-series__card-img-wrap {
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.shop-series__card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.shop-series__card:hover .shop-series__card-img {
  transform: scale(1.05);
}

.shop-series__card-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text-primary);
  text-align: center;
  padding: 20px 16px 8px;
}

.shop-series__card-desc {
  font-size: 13px;
  line-height: 1.6;
  color: #999999;
  text-align: center;
  padding: 0 20px;
  flex: 1;
}

.shop-series__card-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  margin: 16px auto 20px;
  padding: 8px 20px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-primary);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 4px;
  text-decoration: none;
  transition: background var(--transition-speed) ease,
              border-color var(--transition-speed) ease;
}

.shop-series__card-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.5);
}

/* Arrows */
.shop-series__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-text-secondary);
  border-radius: 4px;
  z-index: 5;
  transition: background var(--transition-speed) ease,
              color var(--transition-speed) ease;
}

.shop-series__arrow:hover {
  background: rgba(255, 255, 255, 0.2);
  color: var(--color-text-primary);
}

.shop-series__arrow--prev {
  left: 8px;
}

.shop-series__arrow--next {
  right: 8px;
}

/* Dots */
.shop-series__dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 32px;
}

.shop-series__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.2);
  cursor: pointer;
  padding: 0;
  transition: background var(--transition-speed) ease;
}

.shop-series__dot:hover {
  background: rgba(255, 255, 255, 0.4);
}

.shop-series__dot.is-active {
  background: #8CC63F;
}

/* Shop Series Responsive */
@media (max-width: 1024px) {
  .shop-series__carousel {
    padding: 0 50px;
  }

  .shop-series__slide {
    flex: 0 0 50%;
  }
}

@media (max-width: 768px) {
  .shop-series {
    padding: 56px 0 48px;
  }

  .shop-series__title {
    font-size: 28px;
  }

  .shop-series__carousel {
    padding: 0 40px;
  }

  .shop-series__slide {
    flex: 0 0 100%;
  }

  .shop-series__arrow {
    width: 36px;
    height: 36px;
  }

  .shop-series__arrow--prev {
    left: 4px;
  }

  .shop-series__arrow--next {
    right: 4px;
  }
}

/* ========================================
   Featured Products
   ======================================== */
.featured {
  background: var(--color-bg-header);
  padding: 80px 0 96px;
}

.featured__header {
  text-align: center;
  max-width: 860px;
  margin: 0 auto 48px;
  padding: 0 var(--header-padding-x);
}

.featured__title {
  font-size: 36px;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 16px;
  font-style: normal;
}

.featured__desc {
  font-size: 14px;
  line-height: 1.7;
  color: #999999;
}

.featured__container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--header-padding-x);
}

.featured__card {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: #1C1C1C;
  border-radius: 8px;
  overflow: hidden;
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: transform var(--transition-speed) ease,
              border-color var(--transition-speed) ease;
}

.featured__card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.15);
}

.featured__card-img-wrap {
  width: 100%;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: #222222;
  overflow: hidden;
}

.featured__card-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.featured__card-img--contain {
  object-fit: contain;
}

.featured__card:hover .featured__card-img {
  transform: scale(1.05);
}

.featured__card-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text-primary);
  text-align: center;
  padding: 20px 16px 8px;
}

.featured__card-desc {
  font-size: 13px;
  line-height: 1.6;
  color: #999999;
  text-align: center;
  padding: 0 16px;
  flex: 1;
}

.featured__card-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 16px auto 20px;
  padding: 8px 20px;
  font-size: 13px;
  font-weight: 600;
  color: #8CC63F;
  border: 1px solid #8CC63F;
  border-radius: 4px;
  transition: background var(--transition-speed) ease,
              color var(--transition-speed) ease;
}

.featured__card:hover .featured__card-btn {
  background: #8CC63F;
  color: #000000;
}

/* Featured Responsive */
@media (max-width: 1024px) {
  .featured__container {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

@media (max-width: 768px) {
  .featured {
    padding: 56px 0 64px;
  }

  .featured__title {
    font-size: 28px;
  }

  .featured__container {
    grid-template-columns: 1fr;
    max-width: 400px;
    gap: 16px;
  }
}

/* ========================================
   Helix Series CTA Banner
   ======================================== */
.helix-cta {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.helix-cta__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.helix-cta__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.helix-cta__container {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
  padding: 100px var(--header-padding-x);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.helix-cta__title {
  font-size: 52px;
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: 12px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.helix-cta__subtitle {
  font-size: 24px;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 16px;
  font-style: normal;
}

.helix-cta__desc {
  font-size: 15px;
  line-height: 1.7;
  color: #AAAAAA;
  max-width: 620px;
  margin-bottom: 32px;
}

.helix-cta__buttons {
  display: flex;
  gap: 16px;
}

.helix-cta__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 32px;
  font-size: 14px;
  font-weight: 600;
  border-radius: 4px;
  text-decoration: none;
  transition: background var(--transition-speed) ease,
              color var(--transition-speed) ease,
              border-color var(--transition-speed) ease;
}

.helix-cta__btn--primary {
  color: var(--color-text-primary);
  border: 1px solid rgba(255, 255, 255, 0.4);
  background: transparent;
}

.helix-cta__btn--primary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.7);
}

.helix-cta__btn--secondary {
  color: #8CC63F;
  border: 1px solid #8CC63F;
  background: transparent;
}

.helix-cta__btn--secondary:hover {
  background: #8CC63F;
  color: #000000;
}

/* Helix CTA Responsive */
@media (max-width: 768px) {
  .helix-cta__container {
    padding: 64px var(--header-padding-x);
  }

  .helix-cta__title {
    font-size: 32px;
    letter-spacing: 6px;
  }

  .helix-cta__subtitle {
    font-size: 19px;
  }

  .helix-cta__desc {
    font-size: 14px;
  }

  .helix-cta__buttons {
    flex-direction: column;
    width: 100%;
    max-width: 280px;
  }
}

/* ========================================
   The Optrel Difference
   ======================================== */
.optrel-diff {
  background: #111111;
  padding: 80px 0;
}

.optrel-diff__container {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 var(--header-padding-x);
  text-align: center;
}

.optrel-diff__title {
  font-size: 36px;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 24px;
  font-style: normal;
}

.optrel-diff__text {
  font-size: 14px;
  line-height: 1.8;
  color: #AAAAAA;
}

/* Optrel Diff Responsive */
@media (max-width: 768px) {
  .optrel-diff {
    padding: 56px 0;
  }

  .optrel-diff__title {
    font-size: 28px;
  }

  .optrel-diff__text {
    font-size: 13px;
  }
}

/* ========================================
   Testimonials
   ======================================== */
.testimonials {
  background: #0D0D0D;
  padding: 80px 0 96px;
}

.testimonials__container {
  max-width: 920px;
  margin: 0 auto;
  padding: 0 var(--header-padding-x);
  text-align: center;
}

.testimonials__title {
  font-size: 36px;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 32px;
  font-style: normal;
}

.testimonials__quote {
  margin: 0;
  padding: 0;
}

.testimonials__quote p {
  font-size: 15px;
  line-height: 1.8;
  color: #CCCCCC;
  font-style: italic;
}

/* Testimonials Responsive */
@media (max-width: 768px) {
  .testimonials {
    padding: 56px 0 64px;
  }

  .testimonials__title {
    font-size: 28px;
  }

  .testimonials__quote p {
    font-size: 14px;
  }
}

/* ========================================
   Swiss Air PAPR CTA Banner
   ======================================== */
.swissair-cta {
  position: relative;
  width: 100%;
  overflow: hidden;
  background: #F5F5F5;
}

.swissair-cta__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.swissair-cta__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.swissair-cta__container {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
  padding: 100px var(--header-padding-x);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.swissair-cta__title {
  font-size: 44px;
  font-weight: 700;
  color: #1A1A1A;
  letter-spacing: 10px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.swissair-cta__subtitle {
  font-size: 22px;
  font-weight: 600;
  color: #1A1A1A;
  margin-bottom: 16px;
  font-style: normal;
}

.swissair-cta__desc {
  font-size: 14px;
  line-height: 1.7;
  color: #444444;
  max-width: 580px;
  margin-bottom: 28px;
}

.swissair-cta__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 36px;
  font-size: 14px;
  font-weight: 600;
  color: #1A1A1A;
  border: 2px solid #1A1A1A;
  border-radius: 4px;
  text-decoration: none;
  transition: background var(--transition-speed) ease,
              color var(--transition-speed) ease;
}

.swissair-cta__btn:hover {
  background: #1A1A1A;
  color: #FFFFFF;
}

/* Swiss Air CTA Responsive */
@media (max-width: 768px) {
  .swissair-cta__container {
    padding: 64px var(--header-padding-x);
  }

  .swissair-cta__title {
    font-size: 28px;
    letter-spacing: 6px;
  }

  .swissair-cta__subtitle {
    font-size: 18px;
  }

  .swissair-cta__desc {
    font-size: 13px;
  }
}

/* ========================================
   Recent News & Blog
   ======================================== */
.blog {
  background: var(--color-bg-header);
  padding: 80px 0 96px;
}

.blog__header {
  text-align: center;
  margin-bottom: 48px;
  padding: 0 var(--header-padding-x);
}

.blog__title {
  font-size: 36px;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 12px;
  font-style: normal;
}

.blog__desc {
  font-size: 14px;
  color: #999999;
}

.blog__container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--header-padding-x);
}

.blog__card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  border-radius: 8px;
  overflow: hidden;
  transition: transform var(--transition-speed) ease;
}

.blog__card:hover {
  transform: translateY(-4px);
}

.blog__card-img-wrap {
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-radius: 8px;
}

.blog__card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.blog__card:hover .blog__card-img {
  transform: scale(1.05);
}

.blog__card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text-primary);
  line-height: 1.5;
  margin-top: 16px;
}

.blog__card-link {
  font-size: 13px;
  font-weight: 600;
  color: #8CC63F;
  margin-top: 8px;
  transition: opacity var(--transition-speed) ease;
}

.blog__card:hover .blog__card-link {
  opacity: 0.8;
}

/* Blog Responsive */
@media (max-width: 1024px) {
  .blog__container {
    gap: 20px;
  }

  .blog__card-title {
    font-size: 14px;
  }
}

@media (max-width: 768px) {
  .blog {
    padding: 56px 0 64px;
  }

  .blog__title {
    font-size: 28px;
  }

  .blog__container {
    grid-template-columns: 1fr;
    max-width: 480px;
    gap: 32px;
  }
}

/* ========================================
   Newsletter / Email List
   ======================================== */
.newsletter {
  background: #000000;
  padding: 80px 0 96px;
}

.newsletter__container {
  max-width: 560px;
  margin: 0 auto;
  padding: 0 var(--header-padding-x);
}

.newsletter__title {
  font-size: 36px;
  font-weight: 700;
  color: var(--color-text-primary);
  text-align: center;
  margin-bottom: 16px;
  font-style: normal;
}

.newsletter__desc {
  font-size: 15px;
  line-height: 1.7;
  color: #AAAAAA;
  text-align: center;
  margin-bottom: 36px;
}

.newsletter__form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.newsletter__form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.newsletter__form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.newsletter__form-group--full {
  width: 100%;
}

.newsletter__label {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text-primary);
}

.newsletter__required {
  color: #FF4444;
  margin-left: 2px;
}

.newsletter__input {
  width: 100%;
  padding: 12px 14px;
  font-size: 14px;
  font-family: var(--font-family);
  color: #1A1A1A;
  background: #FFFFFF;
  border: none;
  border-radius: 2px;
  outline: none;
  transition: box-shadow var(--transition-speed) ease;
}

.newsletter__input:focus {
  box-shadow: 0 0 0 2px #8CC63F;
}

.newsletter__textarea {
  width: 100%;
  padding: 12px 14px;
  font-size: 14px;
  font-family: var(--font-family);
  color: #1A1A1A;
  background: #FFFFFF;
  border: none;
  border-radius: 2px;
  outline: none;
  resize: vertical;
  min-height: 100px;
  transition: box-shadow var(--transition-speed) ease;
}

.newsletter__textarea:focus {
  box-shadow: 0 0 0 2px #8CC63F;
}

.newsletter__privacy {
  font-size: 13px;
  line-height: 1.6;
  color: #999999;
}

.newsletter__privacy-link {
  color: #8CC63F;
  text-decoration: none;
}

.newsletter__privacy-link:hover {
  text-decoration: underline;
}

.newsletter__submit {
  align-self: flex-start;
  padding: 10px 36px;
  font-size: 14px;
  font-weight: 600;
  color: #8CC63F;
  background: transparent;
  border: 1px solid #8CC63F;
  border-radius: 4px;
  cursor: pointer;
  font-family: var(--font-family);
  transition: background var(--transition-speed) ease,
              color var(--transition-speed) ease;
}

.newsletter__submit:hover {
  background: #8CC63F;
  color: #000000;
}

/* Newsletter Responsive */
@media (max-width: 768px) {
  .newsletter {
    padding: 56px 0 64px;
  }

  .newsletter__title {
    font-size: 28px;
  }

  .newsletter__form-row {
    grid-template-columns: 1fr;
  }
}

/* ========================================
   Footer
   ======================================== */
.footer {
  background: #1A1A1A;
}

.footer__main {
  padding: 56px 0 48px;
}

.footer__container {
  max-width: var(--header-max-width, 1280px);
  margin: 0 auto;
  padding: 0 var(--header-padding-x);
  display: grid;
  grid-template-columns: auto auto 1fr auto;
  gap: 40px;
  align-items: start;
}

.footer__brand {
  display: flex;
  flex-direction: column;
}

.footer__logo-img {
  height: 60px;
  width: auto;
  object-fit: contain;
}

.footer__contact {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-top: 4px;
}

.footer__contact-line {
  font-size: 14px;
  color: #CCCCCC;
  line-height: 1.6;
}

.footer__contact-address {
  margin-top: 12px;
}

.footer__link {
  color: #CCCCCC;
  text-decoration: none;
  transition: color var(--transition-speed) ease;
}

.footer__link:hover {
  color: #8CC63F;
}

.footer__nav {
  display: flex;
  gap: 80px;
  justify-self: center;
  padding-top: 4px;
}

.footer__nav-col {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__nav-link {
  font-size: 14px;
  font-weight: 500;
  color: #CCCCCC;
  text-decoration: none;
  transition: color var(--transition-speed) ease;
  white-space: nowrap;
}

.footer__nav-link:hover {
  color: #8CC63F;
}

.footer__social {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  justify-self: end;
}

.footer__social-link {
  color: #FFFFFF;
  transition: color var(--transition-speed) ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer__social-link:hover {
  color: #8CC63F;
}

/* Footer Bottom Bar */
.footer__bottom {
  border-top: 1px solid #333333;
  padding: 16px 0;
}

.footer__bottom-container {
  max-width: var(--header-max-width, 1280px);
  margin: 0 auto;
  padding: 0 var(--header-padding-x);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer__copyright {
  font-size: 11px;
  color: #888888;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.footer__powered-link {
  color: #8CC63F;
  text-decoration: none;
  font-weight: 600;
}

.footer__powered-link:hover {
  text-decoration: underline;
}

.footer__legal {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer__legal-link {
  font-size: 11px;
  color: #888888;
  text-decoration: none;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  transition: color var(--transition-speed) ease;
}

.footer__legal-link:hover {
  color: #CCCCCC;
}

.footer__legal-sep {
  font-size: 11px;
  color: #555555;
}

/* Footer Responsive */
@media (max-width: 1024px) {
  .footer__container {
    grid-template-columns: auto auto 1fr auto;
    gap: 30px;
  }

  .footer__nav {
    gap: 48px;
  }
}

@media (max-width: 768px) {
  .footer__main {
    padding: 40px 0 32px;
  }

  .footer__container {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .footer__brand {
    grid-column: 1 / -1;
  }

  .footer__contact {
    grid-column: 1 / -1;
  }

  .footer__nav {
    grid-column: 1 / -1;
    justify-self: start;
    gap: 48px;
  }

  .footer__social {
    grid-column: 1 / -1;
    flex-direction: row;
    gap: 16px;
    justify-self: start;
  }

  .footer__bottom-container {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

/* ========================================
   Featured Products
   ======================================== */
.featured-products {
  background: #111111;
  padding: 80px 0;
}

.featured-products__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

.featured-products__header {
  text-align: center;
  margin-bottom: 56px;
}

.featured-products__title {
  font-size: 36px;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.featured-products__desc {
  font-size: 15px;
  color: #CCCCCC;
  line-height: 1.7;
}

.featured-products__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.featured-products__card {
  background: #1E1E1E;
  border-radius: 8px;
  padding: 28px 20px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.featured-products__card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.featured-products__card-img-wrap {
  width: 100%;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  overflow: hidden;
}

.featured-products__card-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.featured-products__card-name {
  font-size: 18px;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 10px;
}

.featured-products__card-desc {
  font-size: 13px;
  color: #AAAAAA;
  line-height: 1.6;
  margin-bottom: 20px;
  flex: 1;
}

.featured-products__card-btn {
  display: inline-block;
  padding: 10px 28px;
  background: #8CC63F;
  color: #FFFFFF;
  font-size: 13px;
  font-weight: 600;
  border-radius: 4px;
  letter-spacing: 0.4px;
  transition: background 0.25s ease;
}

.featured-products__card-btn:hover {
  background: #7ab532;
}

@media (max-width: 900px) {
  .featured-products__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 520px) {
  .featured-products__grid {
    grid-template-columns: 1fr;
  }

  .featured-products__container {
    padding: 0 20px;
  }

  .featured-products {
    padding: 60px 0;
  }
}