/* ============================================
   MAIN CSS - Consolidated Stylesheet
   Dexin Electronics Website
   ============================================ */

/* === Global Reset & Base Styles === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: linear-gradient(to bottom, #f9fafb, #f3f4f6, #f9fafb);
    color: #111827;
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

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

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

button {
    font-family: inherit;
}

/* === Navigation Bar === */
nav, #navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(6, 182, 212, 0.2);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

nav.scrolled, #navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid rgba(6, 182, 212, 0.2);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
    gap: 3rem;
}

.logo img, .logo-img {
    height: 48px;
    width: auto;
    transition: transform 0.3s ease;
}

.logo:hover img, .logo-link:hover {
    transform: scale(1.05);
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    transition: transform 0.3s;
}

.nav-links {
    display: flex;
    gap: 0.25rem;
    align-items: center;
}

.nav-links a, .nav-links > a, .nav-menu > a, .nav-item {
    padding: 0.5rem 1rem;
    color: #4b5563;
    text-decoration: none;
    border-radius: 0.5rem;
    font-weight: 500;
    font-size: 0.875rem;
    transition: all 0.3s ease;
}

.nav-links a:hover, .nav-links > a:hover, .nav-menu > a:hover, .nav-item:hover {
    color: #22d3ee;
    background: rgba(6, 182, 212, 0.1);
}

.nav-links a.active, .nav-links > a.active, .nav-menu > a.active, .nav-item.active {
    color: #22d3ee;
    background: rgba(6, 182, 212, 0.1);
}

.btn-primary, .btn-get-started, .cta-button {
    padding: 0.625rem 1.5rem;
    margin-left: 1rem;
    background: linear-gradient(to right, #06b6d4, #3b82f6);
    color: white !important;
    border-radius: 0.5rem;
    font-weight: bold;
    box-shadow: 0 4px 6px -1px rgba(6, 182, 212, 0.3);
    transition: all 0.3s ease;
}

.btn-primary:hover, .btn-get-started:hover, .cta-button:hover {
    background: linear-gradient(to right, #22d3ee, #60a5fa);
    transform: translateY(-1px);
}

/* Navigation Dropdown */
.nav-dropdown, .dropdown {
    position: relative;
}

.dropdown-trigger, .dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 1rem;
    color: #4b5563;
    text-decoration: none;
    border-radius: 0.5rem;
    font-weight: 500;
    font-size: 0.875rem;
    transition: all 0.3s ease;
    background: none;
    border: none;
    cursor: pointer;
}

.dropdown-trigger.active {
    color: #22d3ee;
    background: rgba(6, 182, 212, 0.1);
}

.icon-chevron, .chevron-icon {
    width: 16px;
    height: 16px;
    transition: transform 0.3s ease;
}

.nav-dropdown.open .icon-chevron, .dropdown-toggle.open .chevron-icon {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 0;
    width: 14rem;
    background: white;
    border: 1px solid rgba(6, 182, 212, 0.2);
    border-radius: 0.5rem;
    box-shadow: 0 10px 25px rgba(6, 182, 212, 0.1);
    padding: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s;
    z-index: 50;
}

.dropdown-menu.active, .nav-dropdown.open .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu a {
    display: block;
    padding: 0.5rem 1rem;
    color: #4b5563;
    text-decoration: none;
    font-size: 0.875rem;
    border-radius: 0.25rem;
    transition: all 0.3s ease;
}

.dropdown-menu a:hover {
    color: #22d3ee;
    background: rgba(6, 182, 212, 0.1);
}

/* Mobile Menu */
.mobile-menu-button {
    display: none;
    margin-left: auto;
    padding: 0.5rem;
    border-radius: 0.5rem;
    background: transparent;
    border: none;
    cursor: pointer;
    transition: background 0.3s ease;
}

.mobile-menu-button:hover {
    background: #f3f4f6;
}

.mobile-menu-button svg {
    width: 24px;
    height: 24px;
    color: #111827;
}

#navbar .mobile-menu {
    display: none !important;
    position: absolute;
    top: 80px;
    left: 0;
    right: 0;
    background: white;
    border-top: 1px solid rgba(6, 182, 212, 0.2);
    padding: 1rem;
    max-height: calc(100vh - 80px);
    overflow-y: auto;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    z-index: 999;
}

#navbar .mobile-menu.open {
    display: block !important;
}

#navbar .mobile-menu-content {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

#navbar .mobile-menu-content > a,
#navbar .mobile-nav-item {
    display: block;
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: #4b5563;
    text-decoration: none;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.mobile-nav-item:hover {
    background: rgba(243, 244, 246, 0.8);
}

.mobile-nav-item.active {
    background: rgba(6, 182, 212, 0.1);
    color: #06b6d4;
}

.mobile-nav-sub-item {
    padding-left: 2rem;
    font-size: 0.8125rem;
    color: #6b7280;
}

.btn-primary-mobile {
    margin-top: 0.5rem;
    background: #06b6d4;
    color: white !important;
    text-align: center;
    font-weight: 600;
}

.btn-primary-mobile:hover {
    background: #0891b2;
}

/* === Main Content Padding === */
.main-content {
    padding-top: 5rem;
}

main {
    padding-top: 80px;
}

/* === Hero Section === */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.hero-slide.active {
    opacity: 1;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    animation: zoomIn 1s ease-out;
}

@keyframes zoomIn {
    from {
        transform: scale(1.1);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, #111827 0%, rgba(17, 24, 39, 0.8) 50%, transparent 100%);
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 1280px;
    margin: 0 auto;
    padding: 8rem 1.5rem;
    text-align: center;
}

.hero h1 {
    font-size: 5rem;
    font-weight: bold;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    background: linear-gradient(to right, #ffffff, #a5f3fc, #93c5fd);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 0.6s ease-out 0.3s both;
}

.hero-subtitle {
    font-size: 2.25rem;
    font-weight: bold;
    color: #22d3ee;
    margin-bottom: 2rem;
    animation: fadeInUp 0.6s ease-out 0.3s both;
}

.hero-desc {
    font-size: 1.25rem;
    color: white;
    margin-bottom: 3rem;
    max-width: 42rem;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 0.6s ease-out 0.5s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.6s ease-out 0.7s both;
}

/* Hero Banner (sub-pages) */
.hero-banner {
    position: relative;
    height: 500px;
    overflow: hidden;
    margin-top: 80px;
}

.hero-banner .hero-bg {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-banner .hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, #111827, rgba(17, 24, 39, 0.8), transparent);
}

.hero-banner .hero-content {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: flex-end;
}

.hero-text, .hero-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem 4rem;
    width: 100%;
}

.hero-title {
    font-size: 3.75rem;
    font-weight: bold;
    color: white;
    margin-bottom: 1rem;
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: #22d3ee;
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

/* Hero Indicators */
.hero-indicators {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 20;
    display: flex;
    gap: 0.75rem;
}

.hero-indicator {
    height: 4px;
    background: #6b7280;
    border-radius: 9999px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 2rem;
}

.hero-indicator:hover {
    background: #9ca3af;
}

.hero-indicator.active {
    background: #06b6d4;
    width: 3rem;
}

/* Hero Buttons */
.btn-hero-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: linear-gradient(to right, #06b6d4, #3b82f6);
    color: white;
    border-radius: 0.75rem;
    font-weight: bold;
    text-decoration: none;
    box-shadow: 0 10px 15px -3px rgba(6, 182, 212, 0.3);
    transition: all 0.3s ease;
}

.btn-hero-primary:hover {
    background: linear-gradient(to right, #22d3ee, #60a5fa);
    transform: translateY(-2px);
    box-shadow: 0 20px 25px -5px rgba(6, 182, 212, 0.4);
}

.btn-hero-outline {
    display: inline-flex;
    align-items: center;
    padding: 1rem 2rem;
    border: 2px solid #06b6d4;
    color: #22d3ee;
    border-radius: 0.75rem;
    font-weight: bold;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-hero-outline:hover {
    background: rgba(6, 182, 212, 0.1);
}

/* === Section Common Styles === */
section {
    padding: 6rem 1.5rem;
}

.section-bg-gradient {
    background: linear-gradient(to bottom, #f9fafb, #f3f4f6, #f9fafb);
}

.section-bg-dark {
    background: linear-gradient(to bottom, #0f172a, #111827, #0f172a);
}

.section-bg-gray {
    background: #f9fafb;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.container-narrow {
    max-width: 56rem;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-title {
    font-size: 3rem;
    font-weight: bold;
    text-align: center;
    margin-bottom: 1rem;
}

.section-title-gradient {
    background: linear-gradient(to right, #111827, #06b6d4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title-white {
    color: white;
}

.section-desc {
    text-align: center;
    font-size: 1.25rem;
    color: #6b7280;
    margin-bottom: 4rem;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-icon {
    width: 3rem;
    height: 3rem;
    color: #22d3ee;
    margin: 0 auto 1rem;
}

.gradient-title {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(to right, #111827, #0891b2);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* === Strength Cards === */
.strengths-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.strength-card {
    background: rgba(243, 244, 246, 0.8);
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid rgba(6, 182, 212, 0.2);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
}

.strength-card.visible {
    animation: fadeInUp 0.6s ease-out both;
}

.strength-card:hover {
    border-color: #06b6d4;
    transform: translateY(-8px);
    box-shadow: 0 10px 25px rgba(6, 182, 212, 0.15);
}

.strength-icon {
    width: 3rem;
    height: 3rem;
    color: #22d3ee;
    margin-bottom: 1rem;
    transition: transform 0.3s ease;
}

.strength-card:hover .strength-icon {
    transform: scale(1.1);
}

.strength-stat {
    font-size: 1.875rem;
    font-weight: bold;
    color: #22d3ee;
    margin-bottom: 0.5rem;
}

.strength-title {
    font-size: 1.25rem;
    font-weight: bold;
    color: #111827;
    margin-bottom: 0.5rem;
}

.strength-desc {
    color: #6b7280;
}

/* === Product Carousel === */
.product-carousel {
    position: relative;
    height: 600px;
    border-radius: 1.5rem;
    overflow: hidden;
}

.product-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transform: translateX(100px);
    transition: all 0.5s ease;
    pointer-events: none;
}

.product-slide.active {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
}

.product-slide.exit {
    opacity: 0;
    transform: translateX(-100px);
}

.product-link {
    display: block;
    width: 100%;
    height: 100%;
    position: relative;
    text-decoration: none;
}

.product-image-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.product-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s ease;
}

.product-link:hover .product-image {
    transform: scale(1.05);
}

.product-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, #0f172a, rgba(15, 23, 42, 0.5), transparent);
}

.product-content {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem;
}

.product-inner {
    max-width: 48rem;
    text-align: center;
    margin: 0 auto;
}

.product-badge {
    background: #06b6d4;
    color: #111827;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: bold;
    display: inline-block;
    margin-bottom: 1.5rem;
}

.product-title {
    font-size: 3rem;
    font-weight: bold;
    color: white;
    margin-bottom: 1rem;
    transition: color 0.3s ease;
}

.product-link:hover .product-title {
    color: #22d3ee;
}

.product-desc {
    font-size: 1.25rem;
    color: #9ca3af;
}

/* Carousel Buttons */
.carousel-button {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(4px);
    border: none;
    padding: 1rem;
    border-radius: 9999px;
    cursor: pointer;
    transition: all 0.3s ease;
    color: #111827;
}

.carousel-button:hover {
    background: rgba(255, 255, 255, 0.2);
}

.carousel-button-prev {
    left: 1.5rem;
}

.carousel-button-next {
    right: 1.5rem;
}

/* Product Indicators */
.product-indicators {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    gap: 0.75rem;
}

.product-indicator {
    height: 8px;
    border-radius: 9999px;
    background: rgba(255, 255, 255, 0.3);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 8px;
}

.product-indicator:hover {
    background: rgba(255, 255, 255, 0.5);
}

.product-indicator.active {
    background: #22d3ee;
    width: 3rem;
}

/* === Tech Cards === */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.tech-card {
    text-align: center;
    background: rgba(249, 250, 251, 0.8);
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
}

.tech-card.visible {
    animation: fadeInUp 0.6s ease-out both;
}

.tech-card:hover {
    border-color: rgba(6, 182, 212, 0.5);
    transform: translateY(-4px);
}

.tech-icon {
    width: 4rem;
    height: 4rem;
    color: #22d3ee;
    margin: 0 auto 1.5rem;
}

.tech-title {
    font-size: 1.25rem;
    font-weight: bold;
    color: #111827;
    margin-bottom: 0.75rem;
}

.tech-desc {
    color: #6b7280;
    line-height: 1.8;
}

/* === Application Cards === */
.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.application-card {
    position: relative;
    border-radius: 1rem;
    overflow: hidden;
    border: 1px solid #e5e7eb;
    aspect-ratio: 4/3;
    transition: all 0.3s ease;
    opacity: 0;
    transform: scale(0.9);
}

.application-card.visible {
    animation: fadeInScale 0.6s ease-out both;
}

.application-card:hover {
    border-color: #06b6d4;
    transform: scale(1.02);
    box-shadow: 0 10px 25px rgba(6, 182, 212, 0.15);
}

.application-link {
    display: block;
    width: 100%;
    height: 100%;
    text-decoration: none;
}

.application-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.application-card:hover .application-image {
    transform: scale(1.1);
}

.application-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, #0f172a, rgba(15, 23, 42, 0.5), transparent);
}

.application-content {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.application-title {
    font-size: 1.25rem;
    font-weight: bold;
    color: #111827;
    text-align: center;
    background: rgba(249, 250, 251, 0.6);
    backdrop-filter: blur(4px);
    padding: 1rem 1.5rem;
    border-radius: 0.75rem;
    transition: color 0.3s ease;
}

.application-card:hover .application-title {
    color: #22d3ee;
}

/* Application Detail Page */
.applications-list {
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.application-item {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
    align-items: center;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease-out;
}

.application-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.application-item .application-image {
    order: 1;
}

.application-item .application-content {
    order: 2;
}

.application-item.reverse .application-image {
    order: 2;
}

.application-item.reverse .application-content {
    order: 1;
}

.image-link {
    display: block;
}

.image-wrapper {
    position: relative;
    aspect-ratio: 4/3;
    border-radius: 1rem;
    overflow: hidden;
    border: 1px solid rgba(6, 182, 212, 0.2);
    transition: all 0.3s ease;
}

.image-link:hover .image-wrapper {
    border-color: #06b6d4;
}

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

.image-link:hover .image-wrapper img {
    transform: scale(1.1);
}

.image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.8), transparent);
}

.application-content {
    padding: 1rem 0;
}

.application-icon {
    color: #22d3ee;
    margin-bottom: 1.5rem;
}

.title-link {
    text-decoration: none;
}

.application-title {
    font-size: 1.875rem;
    font-weight: bold;
    color: #111827;
    margin-bottom: 1rem;
    transition: color 0.3s ease;
}

.title-link:hover .application-title {
    color: #22d3ee;
}

.application-desc {
    font-size: 1.125rem;
    color: #4b5563;
    margin-bottom: 1.5rem;
    line-height: 1.8;
    word-break: break-word;
}

.application-features {
    background: rgba(243, 244, 246, 0.8);
    padding: 1.5rem;
    border-radius: 0.75rem;
    border: 1px solid rgba(6, 182, 212, 0.2);
    margin-bottom: 1.5rem;
}

.features-label {
    font-size: 0.875rem;
    font-weight: bold;
    color: #22d3ee;
    margin-bottom: 0.5rem;
}

.features-text {
    color: #4b5563;
}

.learn-more {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: #22d3ee;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.3s ease;
}

.learn-more:hover {
    color: #0891b2;
}

.learn-more svg {
    transition: transform 0.3s ease;
}

.learn-more:hover svg {
    transform: translateX(4px);
}

/* === CTA Section === */
.cta-section {
    background: linear-gradient(to right, #0891b2, #3b82f6);
    padding: 6rem 1.5rem;
}

.cta-container {
    max-width: 56rem;
    margin: 0 auto;
    text-align: center;
}

.cta-title {
    font-size: 3rem;
    font-weight: bold;
    color: white;
    margin-bottom: 1.5rem;
}

.cta-desc {
    font-size: 1.25rem;
    color: #ecfeff;
    margin-bottom: 3rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-cta-white, .btn-cta {
    padding: 1rem 2rem;
    background: white;
    color: #0891b2;
    border-radius: 0.75rem;
    font-weight: bold;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-cta-white:hover, .btn-cta:hover {
    background: #f3f4f6;
    transform: translateY(-2px);
}

.btn-cta-outline {
    padding: 1rem 2rem;
    border: 2px solid white;
    color: #111827;
    border-radius: 0.75rem;
    font-weight: bold;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-cta-outline:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* === Clients Grid === */
.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.client-card {
    background: rgba(249, 250, 251, 0.8);
    border: 1px solid #e5e7eb;
    padding: 1.5rem;
    border-radius: 0.75rem;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
}

.client-card.visible {
    animation: fadeInUp 0.6s ease-out both;
}

.client-card:hover {
    border-color: #06b6d4;
}

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

.client-logo {
    flex-shrink: 0;
    width: 6rem;
    height: 3rem;
    background: white;
    border-radius: 0.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.client-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.client-name {
    font-size: 1.125rem;
    font-weight: bold;
    color: #4b5563;
    transition: color 0.3s ease;
}

.client-card:hover .client-name {
    color: #22d3ee;
}

/* === News/Article Cards === */
.news-grid, .articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.news-card, .article-card {
    background: rgba(249, 250, 251, 0.8);
    border-radius: 1rem;
    border: 1px solid #e5e7eb;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
}

.news-card.visible, .article-card.visible {
    animation: fadeInUp 0.6s ease-out both;
}

.news-card:hover, .article-card:hover {
    border-color: #06b6d4;
    transform: translateY(-4px);
}

.news-image, .article-image {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
    background: #f3f4f6;
}

.news-image img, .article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.news-card:hover .news-image img, .article-card:hover .article-image img {
    transform: scale(1.1);
}

.news-image-overlay, .image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(17, 24, 39, 0.5), transparent);
}

.news-content, .article-content {
    padding: 1.5rem;
}

.news-date, .article-date {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #6b7280;
    font-size: 0.875rem;
    margin-bottom: 0.75rem;
}

.news-title, .article-title {
    font-size: 1.25rem;
    font-weight: bold;
    color: #111827;
    margin-bottom: 0.75rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.3s ease;
}

.news-card:hover .news-title, .article-card:hover .article-title {
    color: #22d3ee;
}

.news-excerpt, .article-excerpt {
    color: #6b7280;
    font-size: 0.875rem;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.read-more {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #22d3ee;
    font-weight: 700;
    transition: color 0.3s;
}

.article-card:hover .read-more {
    color: #0891b2;
}

.arrow-icon {
    width: 1.25rem;
    height: 1.25rem;
    color: currentColor;
    transition: transform 0.3s;
}

.article-card:hover .arrow-icon {
    transform: translateX(0.25rem);
}

/* === Contact Form === */
.contact-section {
    padding: 3.75rem 1.5rem;
}

.contact-container {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
}

.form-column {
    opacity: 0;
    transform: translateX(-20px);
}

.form-column.fade-in-left {
    animation: fadeInLeft 0.6s ease forwards;
}

.form-title {
    font-size: 1.875rem;
    font-weight: 700;
    color: #111827;
    margin-bottom: 2rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: #4b5563;
    margin-bottom: 0.5rem;
}

.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid #e5e7eb;
    border-radius: 0.5rem;
    background: rgba(249, 250, 251, 0.5);
    color: #111827;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: #06b6d4;
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
}

.form-textarea {
    resize: none;
    min-height: 120px;
}

.form-textarea::placeholder {
    color: #9ca3af;
}

.btn-submit, .submit-button {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem;
    background: linear-gradient(to right, #06b6d4, #3b82f6);
    color: white;
    border: none;
    border-radius: 0.5rem;
    font-weight: bold;
    font-size: 1rem;
    cursor: pointer;
    box-shadow: 0 10px 15px -3px rgba(6, 182, 212, 0.3);
    transition: all 0.3s ease;
}

.btn-submit:hover, .submit-button:hover {
    background: linear-gradient(to right, #22d3ee, #60a5fa);
    transform: translateY(-2px);
    box-shadow: 0 20px 25px -5px rgba(6, 182, 212, 0.4);
}

.form-note {
    font-size: 0.875rem;
    color: #6b7280;
    text-align: center;
}

/* Info Column */
.info-column {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    opacity: 0;
    transform: translateX(20px);
}

.info-column.fade-in-right {
    animation: fadeInRight 0.6s ease forwards;
}

.info-section-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #111827;
    margin-bottom: 1.5rem;
}

.info-items {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.info-icon {
    width: 24px;
    height: 24px;
    color: #22d3ee;
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.info-content {
    flex: 1;
}

.info-label {
    font-weight: 500;
    color: #111827;
    margin-bottom: 0.25rem;
}

.info-text {
    color: #6b7280;
}

/* Quick Response Box */
.response-box {
    background: rgba(243, 244, 246, 0.8);
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid rgba(6, 182, 212, 0.2);
}

.response-icon {
    width: 48px;
    height: 48px;
    color: #22d3ee;
    margin-bottom: 1rem;
}

.response-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #111827;
    margin-bottom: 0.75rem;
}

.response-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.response-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    color: #4b5563;
}

.response-list li .bullet {
    color: #22d3ee;
}

/* === Video Gallery === */
.upload-section {
    background: linear-gradient(to bottom, #f9fafb 0%, #f3f4f6 50%, #f9fafb 100%);
}

.upload-container {
    max-width: 56rem;
    margin: 0 auto;
}

.upload-box {
    background: rgba(243, 244, 246, 0.8);
    border-radius: 1rem;
    padding: 2rem;
    border: 1px solid #e5e7eb;
}

.upload-area {
    border: 2px dashed #d1d5db;
    border-radius: 0.75rem;
    padding: 3rem;
    text-align: center;
    transition: border-color 0.3s;
}

.upload-area:hover {
    border-color: #22d3ee;
}

.upload-icon {
    width: 4rem;
    height: 4rem;
    color: #9ca3af;
    margin: 0 auto 1rem;
}

.upload-text {
    font-size: 1.125rem;
    color: #4b5563;
    margin-bottom: 1rem;
}

.file-input {
    display: none;
}

.btn-select-file {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(to right, #06b6d4, #3b82f6);
    color: white;
    border-radius: 0.75rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-select-file:hover {
    background: linear-gradient(to right, #22d3ee, #60a5fa);
}

.file-info {
    margin-top: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.file-name {
    color: #4b5563;
}

.btn-upload {
    padding: 0.5rem 1.5rem;
    background: #06b6d4;
    color: white;
    border: none;
    border-radius: 0.5rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn-upload:hover {
    background: #0891b2;
}

.btn-cancel {
    padding: 0.5rem 1rem;
    background: none;
    border: none;
    color: #6b7280;
    cursor: pointer;
    transition: color 0.3s;
}

.btn-cancel:hover {
    color: #374151;
}

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

.video-card {
    cursor: pointer;
    transition: transform 0.3s;
}

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

.video-thumbnail {
    position: relative;
    aspect-ratio: 16/9;
    border-radius: 1rem;
    overflow: hidden;
    background: #f9fafb;
    border: 1px solid #e5e7eb;
    transition: border-color 0.3s;
}

.video-card:hover .video-thumbnail {
    border-color: #22d3ee;
}

.video-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.video-card:hover .video-thumbnail img {
    transform: scale(1.1);
}

.video-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f3f4f6;
}

.video-placeholder svg {
    color: #9ca3af;
}

.thumbnail-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(17, 24, 39, 0.5), transparent 50%, transparent);
}

.play-button {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.play-circle {
    width: 4rem;
    height: 4rem;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s;
}

.video-card:hover .play-circle {
    transform: scale(1.1);
}

.play-icon {
    width: 2rem;
    height: 2rem;
    color: #06b6d4;
    margin-left: 0.25rem;
}

.video-title {
    margin-top: 1rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: #111827;
    transition: color 0.3s;
}

.video-card:hover .video-title {
    color: #22d3ee;
}

/* Video Modal */
.video-modal {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.video-modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(17, 24, 39, 0.95);
}

.modal-content {
    position: relative;
    width: 100%;
    max-width: 80rem;
    z-index: 101;
}

.modal-close {
    position: absolute;
    top: -3rem;
    right: 0;
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    transition: color 0.3s;
}

.modal-close:hover {
    color: #22d3ee;
}

.modal-video {
    aspect-ratio: 16/9;
    background: #111827;
    border-radius: 0.75rem;
    overflow: hidden;
}

.modal-video iframe {
    width: 100%;
    height: 100%;
}

/* === Case Studies === */
.cases-list {
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.case-card {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    background: rgba(249, 250, 251, 0.8);
    border-radius: 1.5rem;
    overflow: hidden;
    border: 1px solid #e5e7eb;
}

.case-image-wrapper {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
}

.case-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.case-image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(17, 24, 39, 0.5), transparent 50%, transparent);
}

.case-content {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.industry-badge {
    display: inline-block;
    background: rgba(6, 182, 212, 0.1);
    color: #22d3ee;
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid rgba(6, 182, 212, 0.3);
    width: fit-content;
    margin-bottom: 1rem;
}

.case-title {
    font-size: 1.875rem;
    font-weight: 700;
    color: #111827;
    margin-bottom: 1rem;
}

.case-details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.case-detail-item .label {
    font-size: 0.875rem;
    font-weight: 600;
    color: #22d3ee;
    margin-bottom: 0.5rem;
}

.case-detail-item p {
    color: #4b5563;
    line-height: 1.6;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.result-item {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    background: rgba(249, 250, 251, 0.5);
    padding: 0.75rem;
    border-radius: 0.5rem;
    border: 1px solid #e5e7eb;
}

.result-item svg {
    width: 1.25rem;
    height: 1.25rem;
    color: #22d3ee;
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.result-item span {
    font-size: 0.875rem;
    color: #4b5563;
}

/* === Stats Section === */
.stats-section {
    padding: 6rem 1.5rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 6rem;
}

.stat-card {
    background: linear-gradient(to bottom right, rgba(15, 23, 42, 0.5), rgba(17, 24, 39, 0.5));
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid rgba(6, 182, 212, 0.2);
    text-align: center;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
}

.stat-card.visible {
    animation: fadeInUp 0.6s ease-out both;
}

.stat-card:hover {
    border-color: #06b6d4;
    transform: translateY(-4px);
}

.stat-icon {
    color: #22d3ee;
    margin: 0 auto 1rem;
}

.stat-value {
    font-size: 2.25rem;
    font-weight: bold;
    color: white;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: white;
    font-size: 1rem;
}

/* === Capabilities Section === */
.capabilities-section {
    padding: 6rem 1.5rem;
}

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 2rem;
}

.capability-card {
    background: rgba(249, 250, 251, 0.8);
    border: 1px solid #e5e7eb;
    border-radius: 1rem;
    padding: 2rem;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
}

.capability-card.visible {
    animation: fadeInUp 0.6s ease-out both;
}

.capability-card:hover {
    border-color: rgba(6, 182, 212, 0.5);
}

.capability-icon {
    color: #22d3ee;
    margin-bottom: 1.5rem;
}

.capability-title {
    font-size: 1.5rem;
    font-weight: bold;
    color: #111827;
    margin-bottom: 1.5rem;
}

.capability-list {
    list-style: none;
    padding: 0;
}

.capability-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.capability-list li svg {
    color: #22d3ee;
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.capability-list li span {
    color: #4b5563;
}

/* === Certifications === */
.certifications-section {
    padding: 6rem 1.5rem;
    background: rgba(249, 250, 251, 0.5);
    text-align: center;
}

.certifications-title {
    font-size: 1.875rem;
    font-weight: bold;
    color: #111827;
    margin-bottom: 2rem;
}

.certifications-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.certification-badge {
    background: rgba(243, 244, 246, 0.8);
    padding: 1rem 2rem;
    border-radius: 0.75rem;
    border: 1px solid rgba(6, 182, 212, 0.3);
    color: #22d3ee;
    font-weight: bold;
    transition: all 0.3s ease;
    opacity: 0;
    transform: scale(0.9);
}

.certification-badge.visible {
    animation: fadeInScale 0.6s ease-out both;
}

.certification-badge:hover {
    border-color: #06b6d4;
    transform: scale(1.05);
}

.btn-discuss {
    display: inline-block;
    padding: 1rem 2rem;
    background: linear-gradient(to right, #06b6d4, #3b82f6);
    color: white;
    text-decoration: none;
    border-radius: 0.75rem;
    font-weight: bold;
    box-shadow: 0 10px 15px -3px rgba(6, 182, 212, 0.3);
    transition: all 0.3s ease;
}

.btn-discuss:hover {
    background: linear-gradient(to right, #22d3ee, #60a5fa);
    transform: translateY(-2px);
    box-shadow: 0 20px 25px -5px rgba(6, 182, 212, 0.4);
}

/* === Innovation Section === */
.innovation-section {
    padding: 6rem 1.5rem;
    background: linear-gradient(to right, #0891b2, #3b82f6);
    text-align: center;
}

.innovation-icon {
    color: #111827;
    margin: 0 auto 1.5rem;
}

.innovation-title {
    font-size: 1.875rem;
    font-weight: bold;
    color: #111827;
    margin-bottom: 1rem;
}

.innovation-desc {
    font-size: 1.125rem;
    color: #ecfeff;
    margin-bottom: 2rem;
}

.innovation-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
}

.btn-contact-eng {
    padding: 1rem 2rem;
    background: white;
    color: #0891b2;
    border: none;
    border-radius: 0.75rem;
    font-weight: bold;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-contact-eng:hover {
    background: #f3f4f6;
    transform: translateY(-2px);
}

.btn-view-pdf {
    padding: 1rem 2rem;
    border: 2px solid white;
    color: #111827;
    background: transparent;
    border-radius: 0.75rem;
    font-weight: bold;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-view-pdf:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* === Product Grid === */
.products-section {
    padding: 4rem 1.5rem;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.product-card {
    background: rgba(249, 250, 251, 0.8);
    border-radius: 1rem;
    border: 1px solid #e5e7eb;
    overflow: hidden;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
    height: 100%;
}

.product-card.visible {
    animation: fadeInUp 0.6s ease-out both;
}

.product-card:hover {
    border-color: #06b6d4;
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(6, 182, 212, 0.15);
}

.product-link {
    display: block;
    height: 100%;
    text-decoration: none;
}

.product-image-wrapper {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
    background: #f3f4f6;
}

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

.product-card:hover .product-image {
    transform: scale(1.1);
}

.product-image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(17, 24, 39, 0.5), transparent);
}

.product-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: #06b6d4;
    color: #111827;
    padding: 0.5rem 0.75rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: bold;
}

.product-view-icon {
    position: absolute;
    bottom: 1rem;
    right: 1rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(4px);
    padding: 0.5rem;
    border-radius: 9999px;
    color: #22d3ee;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.product-card:hover .product-view-icon {
    opacity: 1;
}

.product-content {
    padding: 1.5rem;
}

.product-title {
    font-size: 1.25rem;
    font-weight: bold;
    color: #111827;
    margin-bottom: 1rem;
    transition: color 0.3s ease;
}

.product-card:hover .product-title {
    color: #22d3ee;
}

.product-specs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.spec-item {
    background: rgba(249, 250, 251, 0.5);
    padding: 0.75rem;
    border-radius: 0.5rem;
    border: 1px solid #e5e7eb;
}

.spec-label {
    color: #6b7280;
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
}

.spec-value {
    color: #2E54A1;
    font-weight: bold;
}

.product-view-details {
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: #22d3ee;
    font-weight: 500;
    transition: all 0.3s ease;
}

.product-card:hover .product-view-details {
    color: #0891b2;
}

.product-view-details svg {
    transition: transform 0.3s ease;
}

.product-card:hover .product-view-details svg {
    transform: translateX(4px);
}

/* Category Navigation */
.category-nav {
    padding: 3rem 1.5rem;
    border-bottom: 1px solid #e5e7eb;
    background: white;
}

.category-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
}

.category-button {
    padding: 0.75rem 1.5rem;
    background: rgba(249, 250, 251, 0.8);
    border: 1px solid #e5e7eb;
    border-radius: 0.5rem;
    color: #4b5563;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.category-button:hover {
    border-color: #06b6d4;
    color: #22d3ee;
}

.category-button.active {
    background: linear-gradient(to right, #06b6d4, #3b82f6);
    border-color: transparent;
    color: white;
}

/* === Product Detail Page === */
.product-detail-section {
    padding: 4rem 1.5rem;
}

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

.product-detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
    margin-bottom: 4rem;
}

.product-detail-image {
    position: relative;
    border-radius: 1rem;
    overflow: hidden;
    border: 1px solid #e5e7eb;
}

.product-detail-image img {
    width: 100%;
    height: auto;
    object-fit: cover;
}

.product-detail-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.product-detail-title {
    font-size: 2.25rem;
    font-weight: bold;
    color: #111827;
}

.product-detail-desc {
    font-size: 1.125rem;
    color: #4b5563;
    line-height: 1.8;
}

.product-detail-specs {
    background: rgba(243, 244, 246, 0.8);
    padding: 1.5rem;
    border-radius: 0.75rem;
    border: 1px solid rgba(6, 182, 212, 0.2);
}

.product-detail-specs h3 {
    font-size: 1.25rem;
    font-weight: bold;
    color: #111827;
    margin-bottom: 1rem;
}

.specs-list {
    list-style: none;
    padding: 0;
}

.specs-list li {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid #e5e7eb;
}

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

.specs-list li .label {
    color: #6b7280;
}

.specs-list li .value {
    color: #111827;
    font-weight: 500;
}

.product-detail-features {
    background: rgba(243, 244, 246, 0.8);
    padding: 1.5rem;
    border-radius: 0.75rem;
    border: 1px solid rgba(6, 182, 212, 0.2);
}

.product-detail-features h3 {
    font-size: 1.25rem;
    font-weight: bold;
    color: #111827;
    margin-bottom: 1rem;
}

.features-list {
    list-style: none;
    padding: 0;
}

.features-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.features-list li svg {
    color: #22d3ee;
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.features-list li span {
    color: #4b5563;
}

.product-detail-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-inquiry {
    padding: 1rem 2rem;
    background: linear-gradient(to right, #06b6d4, #3b82f6);
    color: white;
    border: none;
    border-radius: 0.75rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-inquiry:hover {
    background: linear-gradient(to right, #22d3ee, #60a5fa);
    transform: translateY(-2px);
}

.btn-download {
    padding: 1rem 2rem;
    border: 2px solid #06b6d4;
    color: #22d3ee;
    background: transparent;
    border-radius: 0.75rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-download:hover {
    background: rgba(6, 182, 212, 0.1);
}

/* === Application Detail Page === */
.application-detail-section {
    padding: 4rem 1.5rem;
}

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

.application-detail-header {
    text-align: center;
    margin-bottom: 4rem;
}

.application-detail-title {
    font-size: 3rem;
    font-weight: bold;
    color: #111827;
    margin-bottom: 1rem;
}

.application-detail-desc {
    font-size: 1.25rem;
    color: #6b7280;
    max-width: 56rem;
    margin: 0 auto;
}

.application-detail-content {
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.application-detail-item {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
    align-items: center;
}

.application-detail-item.reverse {
    direction: rtl;
}

.application-detail-item.reverse > * {
    direction: ltr;
}

.application-detail-image {
    position: relative;
    border-radius: 1rem;
    overflow: hidden;
    border: 1px solid rgba(6, 182, 212, 0.2);
}

.application-detail-image img {
    width: 100%;
    height: auto;
    object-fit: cover;
}

.application-detail-text h3 {
    font-size: 1.875rem;
    font-weight: bold;
    color: #111827;
    margin-bottom: 1rem;
}

.application-detail-text p {
    font-size: 1.125rem;
    color: #4b5563;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.application-detail-features {
    background: rgba(243, 244, 246, 0.8);
    padding: 1.5rem;
    border-radius: 0.75rem;
    border: 1px solid rgba(6, 182, 212, 0.2);
}

.application-detail-features h4 {
    font-size: 1rem;
    font-weight: bold;
    color: #22d3ee;
    margin-bottom: 0.5rem;
}

.application-detail-features p {
    color: #4b5563;
    font-size: 0.875rem;
}

/* === Footer === */
footer, .footer {
    background: #f3f4f6;
    color: #6b7280;
    border-top: 1px solid rgba(6, 182, 212, 0.1);
    padding: 4rem 1.5rem 2rem;
}

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

.footer-grid {
    display: grid;
    grid-template-columns: 1.8fr 1fr 1fr;
    gap: 10rem;
    margin-bottom: 3rem;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-logo {
    height: 48px;
    width: auto;
}

.footer-desc {
    color: #6b7280;
    line-height: 1.6;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    width: 2.5rem;
    height: 2.5rem;
    background: rgba(6, 182, 212, 0.1);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #22d3ee;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background: #06b6d4;
    color: white;
}

.footer-column h3 {
    font-size: 1.125rem;
    font-weight: bold;
    color: #111827;
    margin-bottom: 1.5rem;
}

.footer-links {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: #6b7280;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #22d3ee;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.footer-contact-item svg {
    width: 1.25rem;
    height: 1.25rem;
    color: #22d3ee;
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.footer-contact-item span {
    color: #6b7280;
}

.footer-bottom {
    border-top: 1px solid #e5e7eb;
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-copyright {
    color: #6b7280;
    font-size: 0.875rem;
}

.footer-bottom-links {
    display: flex;
    gap: 1.5rem;
}

.footer-bottom-links a {
    color: #6b7280;
    font-size: 0.875rem;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-bottom-links a:hover {
    color: #22d3ee;
}

/* === Animations === */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* === Responsive Design === */
@media (max-width: 1024px) {
    .nav-container {
        padding: 0 1rem;
    }

    .nav-links {
        display: none;
    }

    .mobile-menu-button {
        display: block;
    }

    .hero h1 {
        font-size: 3.5rem;
    }

    .hero-subtitle {
        font-size: 1.75rem;
    }

    .hero-desc {
        font-size: 1.125rem;
    }

    .section-title {
        font-size: 2.25rem;
    }

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

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

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

@media (max-width: 768px) {
    section {
        padding: 4rem 1rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.5rem;
    }

    .hero-desc {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .section-title {
        font-size: 1.875rem;
    }

    .section-desc {
        font-size: 1rem;
    }

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

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

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

    .news-grid, .articles-grid {
        grid-template-columns: 1fr;
    }

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

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

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

    .product-specs {
        grid-template-columns: 1fr;
    }

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

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .innovation-buttons {
        flex-direction: column;
        align-items: center;
    }

    .product-detail-actions {
        flex-direction: column;
    }

    .category-buttons {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.25rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .gradient-title {
        font-size: 1.5rem;
    }

    .product-title {
        font-size: 2rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .cta-title {
        font-size: 2rem;
    }

    .innovation-title {
        font-size: 1.5rem;
    }

    .form-title {
        font-size: 1.5rem;
    }

    .application-detail-title {
        font-size: 2rem;
    }

    .product-detail-title {
        font-size: 1.75rem;
    }
}