/* ============================================
   ANAR SLEEVES — Dark Industrial Theme
   Inspired by Tech Sleeves (tech-sleeves.com)
   Pure HTML + CSS • No JavaScript
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ============ CUSTOM PROPERTIES ============ */
:root {
  --bg: #ffffff;
  --bg-surface: #f8f9fa;
  --bg-elevated: #ffffff;
  --border: #e9ecef;
  --text: #0b0d0e;
  --text-secondary: #4a5568;
  --text-muted: #718096;
  --accent: #10a652; /* Slightly darker lime green for better contrast on white */
  --accent-hover: #10a652;
  --accent-dark: #10a652;
  --accent-bg: rgba(139, 195, 74, 0.15);
  --accent-bg-strong: rgba(139, 195, 74, 0.3);
  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --container: 1200px;
  --container-sm: 800px;
  --container-wide: 1400px;
  --radius: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
  --header-h: 80px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-padding-top: var(--header-h);
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}

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

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--accent-hover);
}

ul,
ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.15;
  color: var(--text);
}

p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

p:last-child {
  margin-bottom: 0;
}

/* ============ SKIP LINK ============ */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--accent);
  color: var(--bg);
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  font-weight: 600;
  z-index: 9999;
}

.skip-link:focus {
  top: 1rem;
  color: var(--bg);
}

/* ============ TYPOGRAPHY ============ */
.preheading {
  font-size: 0.78rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 1rem;
}

h1, .h1 {
  font-size: clamp(2.5rem, 6vw, 5rem);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #b9c9d1;
}

h2, .h2 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 1rem;
  color: var(--text);
  font-weight: 800;
}

h3, .h3 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  color: var(--text);
  font-weight: 700;
}

h4, .h4 {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  color: var(--text);
  font-weight: 700;
}

h6, .h6 {
  font-size: 0.82rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 600;
  color: #b9c9d1;
}

/* Section heading — strong visible style */
.section-heading {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 1rem;
  position: relative;
}

/* detail-card titles bold */
.detail-card__title {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
  margin-bottom: 0.75rem;
}

/* ============ LAYOUT ============ */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 2rem;
}

.container--sm {
  max-width: var(--container-sm);
}

.container--wide {
  max-width: var(--container-wide);
}

.section {
  padding: 100px 0;
}

.section--surface {
  background: var(--bg-surface);
}

.text-center {
  text-align: center;
}

/* ============ HEADER ============ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(11, 13, 14, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  height: var(--header-h);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 2rem;
}

.header__logo {
  height: 42px;
  width: auto;
  flex-shrink: 0;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.header__link {
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #fafbfc;
  font-weight: 500;
  transition: color var(--transition);
  position: relative;
  padding: 0.25rem 0;
}

.header__link:hover,
.header__link--active {
  color: var(--accent);
}

.header__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--transition);
}

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

.header__right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* ============ HEADER DROPDOWN ============ */
.header__dropdown {
  position: relative;
}

.header__dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  min-width: 180px;
  background: rgba(11, 13, 14, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.5rem 0;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  margin-top: 0.75rem;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
  z-index: 100;
}

.header__dropdown-menu::before {
  content: '';
  position: absolute;
  top: -0.75rem;
  left: 0;
  right: 0;
  height: 0.75rem;
}

.header__dropdown:hover .header__dropdown-menu {
  opacity: 1;
  visibility: visible;
}

.header__dropdown-link {
  display: block;
  padding: 0.6rem 1.25rem;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #fafbfc;
  font-weight: 500;
  transition: all var(--transition);
  white-space: nowrap;
}

.header__dropdown-link:hover {
  color: var(--accent);
  background: rgba(139, 195, 74, 0.08);
  padding-left: 1.5rem;
}

/* ============ PRODUCT GROUP ============ */
.product-group {
  margin-top: 3rem;
}

.product-group + .product-group {
  margin-top: 4rem;
  padding-top: 4rem;
  border-top: 1px solid var(--border);
}

.product-group__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
}

.product-group__title {
  font-size: 1.4rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
}

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 2rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font);
  text-decoration: none;
  white-space: nowrap;
}

.btn--primary {
  background: var(--accent);
  color: #ffffff;
}

.btn--primary:hover {
  background: var(--accent-hover);
  color: #0b0d0e;
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(182, 226, 106, 0.3);
}

.btn--outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn--outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-bg);
}

.btn--sm {
  padding: 0.65rem 1.25rem;
  font-size: 0.72rem;
}

.btn__icon {
  display: inline-flex;
  transition: transform var(--transition);
}

.btn:hover .btn__icon {
  transform: translate(3px, -3px);
}

.btn__icon svg {
  width: 12px;
  height: 12px;
  fill: currentColor;
}

/* ============ MOBILE MENU (Pure CSS) ============ */
#mobile-toggle {
  display: none !important;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fafbfc;
  transition: all var(--transition);
  border-radius: 2px;
}

#mobile-toggle:checked ~ .header__inner .hamburger span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

#mobile-toggle:checked ~ .header__inner .hamburger span:nth-child(2) {
  opacity: 0;
}

#mobile-toggle:checked ~ .header__inner .hamburger span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(11, 13, 14, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 999;
  padding: 2rem;
  transform: translateX(100%);
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s ease;
  overflow-y: auto;
}

#mobile-toggle:checked ~ .mobile-nav {
  transform: translateX(0);
  opacity: 1;
  visibility: visible;
}

.mobile-nav__link {
  display: block;
  padding: 1.1rem 0;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #fafbfc;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: color var(--transition);
}

.mobile-nav__link:hover,
.mobile-nav__link--active {
  color: var(--accent);
}

/* ============ HERO ============ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  margin-top: var(--header-h);
}

.hero--page {
  aspect-ratio: 1030 / 765;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 1;
}

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

.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(135deg,
    rgba(11, 13, 14, 0.88) 0%,
    rgba(11, 13, 14, 0.55) 50%,
    rgba(11, 13, 14, 0.35) 100%);
}

.hero__content {
  position: relative;
  z-index: 3;
  max-width: 720px;
  padding: 0 2rem;
  animation: fadeInUp 1s ease-out;
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 2rem;
}

.hero__heading {
  margin-bottom: 1rem;
  line-height: 1.05;
}

.hero__subtitle {
  color: #b9bfc9;
  font-size: 1.15rem;
  margin-bottom: 2.5rem;
  line-height: 1.6;
}

.hero__decorative {
  position: absolute;
  right: -80px;
  bottom: 10%;
  z-index: 2;
  opacity: 0.15;
  width: 400px;
  height: auto;
}

/* ============ SECTION HEADERS ============ */
.section-header {
  margin-bottom: 3rem;
}

.section-header--center {
  text-align: center;
}

.section-header .preheading {
  margin-bottom: 0.75rem;
}

.section-header h2 {
  margin-bottom: 0;
  color: var(--text);
  font-weight: 800;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
}

/* All page section h2 headings: prominent and bold */
.section h2,
.layer-section h2,
.detail-section h2,
.text-center h2,
.about h2 {
  color: var(--text);
  font-weight: 800;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* product card title color */
.product-card__title {
  color: var(--text);
}

/* ============ PRODUCT CARDS ============ */
.products__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
  margin-top: 3rem;
}

.product-card {
  position: relative;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  display: block;
  text-decoration: none;
  color: var(--text);
}

.product-card:hover {
  border-color: var(--accent);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--accent);
  color: var(--text);
}

.product-card__image {
  position: relative;
  height: 220px;
  overflow: hidden;
}

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

.product-card:hover .product-card__image img {
  transform: scale(1.08);
}

.product-card__image-overlay {
  /* position: absolute; */
  inset: 0;
  background: linear-gradient(to top, var(--bg-surface) 0%, transparent 70%);
}

.product-card__body {
  padding: 1.5rem 2rem 2rem;
}

.product-card__label {
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 0.5rem;
  display: block;
}

.product-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.product-card__desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.product-card__arrow {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(182, 226, 106, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  z-index: 2;
}

.product-card:hover .product-card__arrow {
  background: var(--accent);
}

.product-card__arrow svg {
  width: 13px;
  height: 13px;
  fill: var(--accent);
  transition: fill var(--transition);
}

.product-card:hover .product-card__arrow svg {
  fill: #0b0d0e;
}

/* ============ ABOUT SECTION ============ */
.about {
  padding: 100px 0;
  text-align: center;
}

.about__text {
  max-width: 820px;
  margin: 1.5rem auto 0;
  font-size: 1.1rem;
  line-height: 1.85;
  color: var(--text-secondary);
}

/* ============ STATS ============ */
.stats {
  padding: 80px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-surface);
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.stat {
  text-align: center;
  padding: 1.5rem;
}

.stat__number {
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.75rem;
}

.stat__label {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.stat__desc {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ============ FEATURES HEADING ============ */
.features-intro {
  padding: 100px 0 20px;
  text-align: center;
}

.features-intro__subtitle {
  font-size: 0.82rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin-top: 0.75rem;
}

.features-intro__desc {
  max-width: 680px;
  margin: 1rem auto 0;
  font-size: 1.05rem;
  color: var(--text-secondary);
}

/* ============ FEATURE ROW (Image + Text) ============ */
.feature {
  padding: 60px 0;
}

.feature__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.feature__row--reverse {
  direction: rtl;
}

.feature__row--reverse > * {
  direction: ltr;
}

.feature__image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: border-color var(--transition);
}

.feature__image:hover {
  border-color: var(--accent);
}

.feature__image img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.feature__image:hover img {
  transform: scale(1.04);
}

.feature__content h3 {
  font-size: 1.6rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 1.5rem;
}

.feature__list {
  margin-top: 1rem;
}

.feature__list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.65;
  font-size: 0.95rem;
}

.feature__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

/* ============ KEY FEATURES GRID (icons) ============ */
.key-features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 2.5rem;
}

.key-card {
  background: var(--accent-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1.1rem;
  transition: all var(--transition);
}

.key-card:hover {
  border-color: var(--accent);
  background: var(--accent-bg-strong);
  transform: translateY(-3px);
}

.key-card__icon {
  width: 52px;
  height: 52px;
  flex-shrink: 0;
}

.key-card__icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: brightness(0) saturate(100%) invert(84%) sepia(25%) saturate(678%) hue-rotate(40deg) brightness(98%) contrast(90%);
}

.key-card__text {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text);
  line-height: 1.5;
}

/* ============ HIGHLIGHT BANNER ============ */
.highlight-banner {
  background: var(--accent);
  color: #0b0d0e;
  padding: 3.5rem 0;
  text-align: center;
}

.highlight-banner h3 {
  color: #ffffff;
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

/* ============ SPEC TABLE ============ */
.spec-table {
  width: 100%;
  max-width: 900px;
  margin: 2.5rem auto 0;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}

.spec-table th {
  background: var(--accent);
  color: #ffffff;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 700;
  padding: 1rem 1.5rem;
  text-align: center;
  border-right: 1px solid rgba(11, 13, 14, 0.15);
}

.spec-table th:last-child {
  border-right: none;
}

.spec-table td {
  background: var(--bg-surface);
  color: var(--text);
  padding: 1rem 1.5rem;
  text-align: center;
  border-right: 1px solid var(--border);
  font-size: 0.95rem;
}

.spec-table td:last-child {
  border-right: none;
}

/* ============ LAYER BUILD-UP ============ */
.layer-section {
  padding: 80px 0;
  background: var(--bg-surface);
}

.layer-section__row {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 4rem;
  align-items: center;
}

.layer-section__image {
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.layer-section__image img {
  width: 100%;
  max-height: 500px;
  object-fit: contain;
}

.layer-list {
  counter-reset: layer;
  margin-top: 1.5rem;
}

.layer-list li {
  counter-increment: layer;
  position: relative;
  padding: 0.85rem 0 0.85rem 3.5rem;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  transition: color var(--transition);
}

.layer-list li:last-child {
  border-bottom: none;
}

.layer-list li::before {
  content: counter(layer);
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--accent);
  color: #0b0d0e;
  font-size: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.layer-list li:hover {
  color: var(--accent);
}

/* ============ DETAIL FEATURES ============ */
.detail-section {
  padding: 80px 0;
}

.detail-section--surface {
  background: var(--bg-surface);
}

.detail-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  padding: 2rem 2.5rem;
  margin-bottom: 1.5rem;
  transition: all var(--transition);
}

.detail-section--surface .detail-card {
  background: var(--bg-elevated);
}

.detail-card:hover {
  border-color: var(--accent);
  transform: translateX(6px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.detail-card__title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.85rem;
}

.detail-card__text {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.7;
  margin-bottom: 0;
}

.detail-card__list {
  margin-top: 0.75rem;
}

.detail-card__list li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
}

.detail-card__list li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.85rem;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

/* ============ FOOTER ============ */
.footer {
  background: #1e1e1e;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.footer__top {
  padding: 60px 0 50px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1.2fr 1.4fr 1.4fr;
  gap: 3rem;
  align-items: start;
}

/* Column 1 brand */
.footer__col-brand {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.footer__logo {
  max-width: 160px;
  margin-bottom: 1.25rem;
  opacity: 0.9;
}

.footer__socials {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.footer__social {
  width: 36px;
  height: 36px;
  border-radius: 6px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  color: #ccc;
  text-decoration: none;
}

.footer__social:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #0b0d0e;
}

.footer__social svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.footer__social-dot {
  display: block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.25);
  margin-top: 1rem;
}

/* Columns 2-4 */
.footer__col {
  display: flex;
  flex-direction: column;
}

.footer__heading {
  font-size: 0.95rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 1rem;
  letter-spacing: 0;
  text-transform: none;
}

.footer__heading--gap {
  margin-top: 1.6rem;
}

.footer__text {
  color: #b0b4b8;
  font-size: 0.875rem;
  line-height: 1.6;
  margin-bottom: 0.5rem;
}

.footer__text-link {
  color: #b0b4b8;
  text-decoration: none;
  transition: color var(--transition);
}

.footer__text-link:hover {
  color: var(--accent);
}

/* Keep old classes for any leftover references */
.footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.footer__link {
  color: #b0b4b8;
  font-size: 0.9rem;
  transition: all var(--transition);
  position: relative;
  display: inline-block;
  text-decoration: none;
}

.footer__link:hover {
  color: var(--accent);
  padding-left: 6px;
}

.footer__contact-item {
  color: #b0b4b8;
  font-size: 0.9rem;
  margin-bottom: 0.85rem;
  line-height: 1.65;
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
}

.footer__contact-icon {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  color: var(--accent);
  margin-top: 3px;
}

.footer__contact-item a {
  color: #b0b4b8;
  transition: color var(--transition);
  text-decoration: none;
}

.footer__contact-item a:hover {
  color: var(--accent-hover);
}

/* Footer Bottom */
.footer__bottom {
  padding: 1.25rem 0;
  background: #2a2a2a;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.footer__bottom-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: #888;
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 2rem;
}

.footer__bottom-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer__cb-logo {
  height: 16px;
  width: auto;
  opacity: 0.6;
  transition: opacity var(--transition);
}

.footer__cb-logo:hover {
  opacity: 1;
}

/* ============ DECORATIVE ELEMENTS ============ */
.accent-line {
  display: block;
  width: 60px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
  margin-bottom: 1.5rem;
}

.accent-line--center {
  margin-left: auto;
  margin-right: auto;
}

/* ============ ANIMATIONS ============ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(182, 226, 106, 0.2); }
  50% { box-shadow: 0 0 20px 4px rgba(182, 226, 106, 0.15); }
}

.anim-fade-up {
  animation: fadeInUp 0.8s ease-out both;
}

.anim-fade-up-d1 {
  animation: fadeInUp 0.8s ease-out 0.1s both;
}

.anim-fade-up-d2 {
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.anim-fade-up-d3 {
  animation: fadeInUp 0.8s ease-out 0.3s both;
}

.anim-fade-up-d4 {
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

.anim-fade-in {
  animation: fadeIn 1s ease-out both;
}

.anim-slide-right {
  animation: slideInRight 0.8s ease-out both;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1100px) {
  .products__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 1024px) {
  .feature__row,
  .feature__row--reverse,
  .layer-section__row {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .feature__row--reverse {
    direction: ltr;
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .footer__col-brand {
    grid-column: 1 / -1;
    flex-direction: row;
    align-items: flex-start;
    gap: 2rem;
  }

  .detail-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --header-h: 64px;
  }

  .header__nav,
  .header__right .btn {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .mobile-nav {
    display: block;
  }

  .hero {
    min-height: 75vh;
  }

  .hero--page {
    min-height: auto;
  }

  .hero__content {
    padding: 0 1rem;
  }

  .section {
    padding: 60px 0;
  }

  .products__grid {
    grid-template-columns: 1fr;
  }

  .product-group__header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .stats__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .stat {
    padding: 1rem;
  }

  .key-features__grid {
    grid-template-columns: 1fr;
  }

  .feature__image img {
    height: 280px;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer__col-brand {
    grid-column: auto;
    flex-direction: column;
    gap: 0;
  }

  .footer__bottom-inner {
    flex-direction: column;
    gap: 0.4rem;
    text-align: center;
  }

  .about__text {
    font-size: 1rem;
  }

  .detail-card {
    padding: 1.5rem;
  }

  .spec-table th,
  .spec-table td {
    padding: 0.75rem 1rem;
    font-size: 0.82rem;
  }

  .highlight-banner h3 {
    font-size: 1rem;
  }

  .layer-section {
    padding: 50px 0;
  }

  .detail-section {
    padding: 50px 0;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1.25rem;
  }

  .hero {
    min-height: 60vh;
  }

  .hero__heading {
    font-size: clamp(2rem, 8vw, 3.5rem);
  }

  .hero__subtitle {
    font-size: 1rem;
    margin-bottom: 2rem;
  }

  .stats__grid {
    grid-template-columns: 1fr 1fr;
  }

  .btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.72rem;
  }

  .product-card__body {
    padding: 1.25rem 1.5rem 1.5rem;
  }

  .product-card__image {
    height: 180px;
  }

  .layer-section__row {
    gap: 2rem;
  }

  .layer-list li {
    padding: 0.7rem 0 0.7rem 3rem;
    font-size: 0.92rem;
  }

  .layer-list li::before {
    width: 26px;
    height: 26px;
    font-size: 0.7rem;
  }

  .detail-card {
    padding: 1.25rem;
  }

  .detail-card__title {
    font-size: 0.92rem;
  }

  .product-group + .product-group {
    margin-top: 3rem;
    padding-top: 3rem;
  }

  .spec-table {
    font-size: 0.8rem;
  }

  .spec-table th,
  .spec-table td {
    padding: 0.6rem 0.75rem;
    font-size: 0.75rem;
  }

  .footer__top {
    padding: 50px 0 40px;
  }
}