/* ============================================
   RADSETA - Global Stylesheet
   ============================================ */

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

/* --- CSS Custom Properties --- */
:root {
  /* Colors */
  --primary: #1B2A4A;
  --primary-light: #2B3F6B;
  --primary-dark: #111D35;
  --accent: #3B82F6;
  --accent-hover: #2563EB;
  --accent-light: #DBEAFE;
  --light-bg: #F8FAFC;
  --white: #FFFFFF;
  --text: #1E293B;
  --text-light: #64748B;
  --text-muted: #94A3B8;
  --border: #E2E8F0;
  --border-light: #F1F5F9;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

  /* Radii */
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Layout */
  --max-width: 1200px;
  --nav-height: 72px;

  /* Transitions */
  --transition: 0.3s ease;
  --transition-fast: 0.15s ease;

  /* Typography */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Poppins', 'Inter', sans-serif;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background-color: var(--light-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
  list-style: none;
}

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

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
}

h4 {
  font-size: 1.125rem;
  font-weight: 600;
}

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

strong {
  font-weight: 600;
  color: var(--text);
}

/* --- Layout Utilities --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

.section--light {
  background: var(--white);
}

.section--dark {
  background: var(--primary);
  color: var(--white);
}

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

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius);
  transition: all var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
  text-decoration: none;
  white-space: nowrap;
}

.btn--primary {
  background: var(--accent);
  color: var(--white);
  border-color: var(--accent);
}

.btn--primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn--outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.4);
}

.btn--outline:hover {
  background: var(--white);
  color: var(--primary);
  border-color: var(--white);
  transform: translateY(-2px);
}

.btn--dark {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

.btn--dark:hover {
  background: var(--primary-light);
  border-color: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn--ghost {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
}

.btn--ghost:hover {
  background: var(--accent);
  color: var(--white);
  transform: translateY(-2px);
}

.btn--sm {
  padding: 8px 20px;
  font-size: 0.875rem;
}

.btn--lg {
  padding: 16px 36px;
  font-size: 1rem;
}

/* --- Header / Navigation --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: var(--white);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  transition: box-shadow var(--transition);
}

.header--scrolled {
  box-shadow: var(--shadow-md);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 1.375rem;
  font-weight: 800;
  color: var(--primary);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.header__logo-img {
  height: 40px;
  width: auto;
  display: block;
}

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

.nav__link {
  padding: 8px 16px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-light);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.nav__link:hover {
  color: var(--text);
  background: var(--border-light);
}

.nav__link--active {
  color: var(--accent);
  font-weight: 600;
}

/* Mobile Menu Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 28px;
  height: 28px;
  cursor: pointer;
  z-index: 1001;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
  transform-origin: center;
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  padding: 140px 0 100px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 50%, #1e3a5f 100%);
  color: var(--white);
  overflow: hidden;
  min-height: 480px;
  display: flex;
  align-items: center;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 40%),
    radial-gradient(circle at 60% 80%, rgba(59, 130, 246, 0.08) 0%, transparent 40%);
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 680px;
}

.hero__title {
  color: var(--white);
  margin-bottom: 20px;
  font-size: clamp(2.25rem, 5vw, 3.5rem);
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 32px;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Animated dots/grid behind hero */
.hero__decoration {
  position: absolute;
  right: -5%;
  top: 50%;
  transform: translateY(-50%);
  width: 500px;
  height: 500px;
  opacity: 0.08;
  pointer-events: none;
}

/* Wave divider */
.wave-divider {
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  line-height: 0;
}

.wave-divider svg {
  width: 100%;
  height: 60px;
  display: block;
}

/* --- Product Cards --- */
.products {
  padding: 80px 0;
}

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

.products__header h2 {
  margin-bottom: 12px;
}

.products__header p {
  font-size: 1.1rem;
  max-width: 560px;
  margin: 0 auto;
}

.products__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.product-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  border: 1px solid var(--border);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}

.product-card__icon {
  width: 72px;
  height: 72px;
  border-radius: var(--radius);
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.product-card__icon svg {
  width: 36px;
  height: 36px;
  color: var(--white);
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
}

.product-card__title {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.product-card__desc {
  font-size: 0.9375rem;
  color: var(--text-light);
  margin-bottom: 24px;
  flex-grow: 1;
}

/* --- Why Choose Us --- */
.features {
  padding: 80px 0;
  background: var(--white);
}

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

.features__header h2 {
  margin-bottom: 12px;
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.feature-card {
  text-align: center;
  padding: 32px 20px;
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}

.feature-card:hover {
  background: var(--light-bg);
}

.feature-card__icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.feature-card__icon svg {
  width: 28px;
  height: 28px;
  color: var(--accent);
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
}

.feature-card__title {
  font-size: 1.0625rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-card__desc {
  font-size: 0.875rem;
  color: var(--text-light);
  margin: 0;
}

/* --- CTA Banner --- */
.cta-banner {
  padding: 64px 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--white);
  text-align: center;
}

.cta-banner h2 {
  color: var(--white);
  margin-bottom: 12px;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.1rem;
  margin-bottom: 28px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.cta-banner .btn {
  margin-bottom: 0;
}

/* --- Page Header (for subpages) --- */
.page-header {
  padding: 120px 0 48px;
  background: var(--light-bg);
}

.page-header h1 {
  margin-bottom: 8px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

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

.breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb__sep {
  color: var(--text-muted);
}

/* --- Product Detail (Sensor Pages) --- */
.product-detail {
  padding: 60px 0 80px;
}

.product-detail__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.product-detail__image {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 380px;
  position: sticky;
  top: calc(var(--nav-height) + 24px);
}

.product-detail__image svg,
.product-detail__image img {
  max-width: 320px;
  width: 100%;
}

.product-detail__info h2 {
  color: var(--primary-light);
  margin-bottom: 24px;
}

/* Spec Grid */
.spec-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.spec-item {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 12px;
  align-items: start;
  padding: 14px 0;
  border-bottom: 1px solid var(--border-light);
}

.spec-item:last-child {
  border-bottom: none;
}

.spec-item__icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.spec-item__icon svg {
  width: 18px;
  height: 18px;
  color: var(--accent);
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
}

.spec-item__content {
  display: flex;
  flex-direction: column;
}

.spec-item__label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.spec-item__value {
  font-size: 0.9375rem;
  color: var(--text-light);
}

.product-detail__back {
  margin-top: 32px;
}

/* --- OEM / About Content --- */
.content-section {
  padding: 60px 0 80px;
}

.content-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
}

.content-layout--reverse {
  grid-template-columns: 1.2fr 1fr;
}

.content-image {
  border-radius: var(--radius-lg);
  background: var(--white);
  border: 1px solid var(--border);
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: sticky;
  top: calc(var(--nav-height) + 24px);
  padding: 0;
  overflow: hidden;
}

.content-image svg,
.content-image img {
  max-width: 100%;
  border-radius: var(--radius);
}

.content-body h2 {
  color: var(--primary-light);
  margin-bottom: 20px;
}

.content-body p {
  margin-bottom: 16px;
  line-height: 1.7;
}

.content-body h3 {
  font-size: 1.25rem;
  margin-top: 28px;
  margin-bottom: 16px;
}

.expertise-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 20px 0;
}

.expertise-item {
  display: flex;
  gap: 14px;
  align-items: start;
  padding: 16px;
  background: var(--light-bg);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.expertise-item:hover {
  background: var(--accent-light);
}

.expertise-item__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.expertise-item__icon svg {
  width: 20px;
  height: 20px;
  color: var(--white);
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
}

.expertise-item__content h4 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.expertise-item__content p {
  font-size: 0.875rem;
  margin: 0;
}

.content-contact {
  margin-top: 32px;
  padding: 24px;
  background: var(--light-bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.content-contact a {
  color: var(--accent);
  font-weight: 600;
}

.content-contact a:hover {
  text-decoration: underline;
}

.content-image .about-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

/* --- About Page --- */
.about-values {
  padding: 60px 0;
  background: var(--white);
}

.about-values__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 40px;
}

.value-card {
  text-align: center;
  padding: 36px 24px;
  border-radius: var(--radius-lg);
  background: var(--light-bg);
  border: 1px solid var(--border-light);
  transition: all var(--transition);
}

.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.value-card__icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.value-card__icon svg {
  width: 28px;
  height: 28px;
  color: var(--accent);
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
}

.value-card h3 {
  font-size: 1.125rem;
  margin-bottom: 8px;
}

.value-card p {
  font-size: 0.875rem;
  margin: 0;
}

/* --- Footer --- */
.footer {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.8);
  padding: 56px 0 24px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

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

.footer__logo {
  display: inline-block;
  margin-bottom: 16px;
  text-decoration: none;
}

.footer__logo-img {
  height: 32px;
  width: auto;
  display: block;
  filter: brightness(0) invert(1);
}

.footer__desc {
  font-size: 0.875rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.6);
  margin: 0;
}

.footer h4 {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__links a {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer__links a:hover {
  color: var(--white);
}

.footer__contact-item {
  display: flex;
  align-items: start;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 0.9375rem;
}

.footer__contact-item svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 3px;
  color: var(--accent);
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
}

.footer__contact-item a {
  color: rgba(255, 255, 255, 0.6);
}

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

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.4);
}

/* --- OEM Highlight Section (Homepage) --- */
.oem-highlight {
  padding: 80px 0;
  background: var(--white);
  position: relative;
}

.oem-highlight__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: var(--radius-xl);
  padding: 56px;
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.oem-highlight__inner::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.2) 0%, transparent 70%);
  pointer-events: none;
}

.oem-highlight__content {
  position: relative;
  z-index: 1;
}

.oem-highlight__label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  background: rgba(59, 130, 246, 0.15);
  padding: 6px 14px;
  border-radius: 50px;
  margin-bottom: 20px;
}

.oem-highlight__content h2 {
  color: var(--white);
  font-size: clamp(1.75rem, 3.5vw, 2.25rem);
  margin-bottom: 16px;
}

.oem-highlight__content p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 28px;
}

.oem-highlight__expertise {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.oem-expertise-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 24px 20px;
  transition: all var(--transition);
}

.oem-expertise-card:hover {
  background: rgba(255, 255, 255, 0.16);
  transform: translateY(-2px);
}

.oem-expertise-card__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(59, 130, 246, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

.oem-expertise-card__icon svg {
  width: 20px;
  height: 20px;
  color: var(--white);
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
}

.oem-expertise-card h4 {
  font-size: 0.9375rem;
  color: var(--white);
  margin-bottom: 6px;
}

.oem-expertise-card p {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.65);
  margin: 0;
  line-height: 1.5;
}

/* --- OEM Service Page Components --- */
.oem-intro {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 56px;
  align-items: start;
}

.oem-intro__text h2 {
  margin-bottom: 20px;
}

.oem-intro__text p {
  line-height: 1.8;
}

.oem-stats {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 36px;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  position: sticky;
  top: calc(var(--nav-height) + 24px);
}

.oem-stat {
  text-align: center;
  padding: 20px 16px;
  border-radius: var(--radius);
  background: var(--light-bg);
}

.oem-stat__number {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}

.oem-stat__label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* OEM Expertise Grid (full-width cards) */
.oem-expertise-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.oem-exp-card {
  display: flex;
  gap: 20px;
  padding: 32px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}

.oem-exp-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.oem-exp-card__icon {
  width: 52px;
  height: 52px;
  min-width: 52px;
  border-radius: var(--radius);
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.oem-exp-card__icon svg {
  width: 24px;
  height: 24px;
  color: var(--white);
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
}

.oem-exp-card__content h3 {
  font-size: 1.125rem;
  margin-bottom: 8px;
}

.oem-exp-card__content p {
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-bottom: 14px;
}

.oem-exp-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.oem-exp-card__tags li {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-light);
  padding: 4px 10px;
  border-radius: 50px;
}

/* OEM Process / How We Work */
.oem-process {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
}

.oem-process__step {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.oem-process__number {
  width: 56px;
  height: 56px;
  min-width: 56px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
}

.oem-process__content {
  padding-bottom: 8px;
}

.oem-process__content h3 {
  font-size: 1.25rem;
  margin-bottom: 8px;
}

.oem-process__content p {
  font-size: 0.9375rem;
  line-height: 1.7;
  margin: 0;
}

.oem-process__connector {
  width: 2px;
  height: 32px;
  background: var(--border);
  margin-left: 27px;
}

/* OEM Technology Stack */
.oem-tech-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.oem-tech-badge {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.oem-tech-badge:hover {
  border-color: var(--accent);
  background: var(--accent-light);
}

.oem-tech-badge svg {
  width: 22px;
  height: 22px;
  min-width: 22px;
  color: var(--accent);
}

.oem-tech-badge span {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
}

/* --- Coming Soon Badge --- */
.coming-soon-badge {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  background: var(--accent-light);
  padding: 5px 12px;
  border-radius: 50px;
  margin-bottom: 16px;
}

.coming-soon-banner {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-light);
  padding: 10px 20px;
  border-radius: var(--radius);
  margin-bottom: 20px;
}

.coming-soon-banner svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
}

/* --- Upcoming Products Grid (2-col) --- */
.products__grid--two {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  max-width: 800px;
  margin: 0 auto;
}

/* --- Scroll Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Stagger delays */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

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

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

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

  .product-detail__image {
    position: static;
  }

  .content-layout,
  .content-layout--reverse {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .content-image {
    position: static;
  }

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

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

  .oem-highlight__inner {
    grid-template-columns: 1fr;
    padding: 40px 32px;
  }

  .oem-highlight__expertise {
    grid-template-columns: 1fr 1fr;
  }

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

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

  .oem-stats {
    position: static;
    flex-direction: row;
    justify-content: center;
  }

  .oem-stat {
    flex: 1;
  }

  .oem-expertise-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    padding: 100px 24px 40px;
    gap: 4px;
    box-shadow: var(--shadow-xl);
    transition: right var(--transition);
    z-index: 999;
  }

  .nav.open {
    right: 0;
  }

  .nav__link {
    width: 100%;
    padding: 12px 16px;
    font-size: 1.0625rem;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 998;
  }

  .nav-overlay.active {
    display: block;
  }

  .hero {
    padding: 120px 0 80px;
    min-height: auto;
  }

  .products__grid,
  .products__grid--two {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .oem-highlight__inner {
    padding: 32px 20px;
  }

  .oem-highlight__expertise {
    grid-template-columns: 1fr;
  }

  .oem-stats {
    flex-direction: column;
  }

  .oem-exp-card {
    flex-direction: column;
    gap: 16px;
  }

  .oem-tech-grid {
    grid-template-columns: 1fr;
  }

  .features__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .section {
    padding: 56px 0;
  }

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

  .footer__bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .about-values__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero__actions {
    flex-direction: column;
  }

  .hero__actions .btn {
    width: 100%;
  }
}