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

html {
    height: 100%;
}

body {
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, 'Helvetica Neue', 'Segoe UI', 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', sans-serif;
    color: #fff;
    background: #000;
    height: 100vh;
    overflow-y: scroll;
    overflow-x: hidden;
    scroll-snap-type: y mandatory;
    scroll-behavior: smooth;
}

body.product-page {
    background: #fff;
    color: #1a1a1a;
}

body.en-page {
    background: #fff;
    color: #111;
}

/* Make each major section snap */
section {
    min-height: 100vh;
    scroll-snap-align: start;
    scroll-snap-stop: always;
    position: relative;
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform, opacity;
}

.tech-section {
    height: auto !important;
    min-height: 100vh;
}

section.section-enter {
    animation: sectionSlideIn 0.8s ease forwards;
}

@keyframes sectionSlideIn {
    from {
        transform: translateY(8vh);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.en-page .nav-links a {color:#fff}


.container {
    max-width: 1520px;
    margin: 0 auto;
    padding: 0 40px;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 60px;
    background: transparent;
    backdrop-filter: none;
    transition: background 0.3s ease, backdrop-filter 0.3s ease;
}

.product-page .navbar {
    background: ;
}

.product-page .navbar.scrolled,
.en-page .product-page .navbar.scrolled {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
}

.product-page .nav-links a {
    color: #0f1b0f;
}

.product-page .nav-links a:hover {
    opacity: 0.7;
}

.product-page .lang-toggle {
    background: rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.product-page .lang-btn {
    color: #1a1a1a;
}

.product-page .lang-btn.active {
    color: #0f1b0f;
}

.product-page .lang-divider {
    background: rgba(0, 0, 0, 0.2);
}

.product-page .mobile-menu-toggle {
    border: 1px solid rgba(0, 0, 0, 0.15);
    background: rgba(0, 0, 0, 0.06);
}

.product-page .mobile-menu-toggle span {
    background: #0f1b0f;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 24px;
    width: auto;
}

.product-page .logo img {
    filter: grayscale(0.6) brightness(0.92);
}

.nav-links {
    display: flex;
    gap: 40px;
    flex: 1;
    justify-content: center;
    align-items: center;
}

.nav-links a {
    color: #fff;
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 1px;
    transition: opacity 0.3s;
}

.nav-links a:hover {
    opacity: 0.7;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.lang-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.18);
    backdrop-filter: blur(6px);
}

.lang-btn {
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.7);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    cursor: pointer;
    padding: 4px 6px;
    transition: color 0.2s ease;
}

.lang-btn.active {
    color: #fff;
}

.lang-divider {
    width: 1px;
    height: 14px;
    background: rgba(255, 255, 255, 0.25);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    width: 32px;
    height: 32px;
    padding: 6px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(0, 0, 0, 0.35);
    cursor: pointer;
    transition: background 0.2s ease, transform 0.2s ease;
}

.mobile-menu-toggle span {
    display: block;
    height: 2px;
    width: 100%;
    background: #fff;
    border-radius: 2px;
    transition: transform 0.25s ease, opacity 0.2s ease;
}

.mobile-menu-toggle.open span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

.mobile-menu-toggle.open span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.open span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

/* Navigation Color Theme Changes (Desktop Only) */
.navbar {
    transition: all 0.3s ease;
}

.navbar .logo img {
    transition: filter 0.3s ease;
}

.en-page .nav-links a {
    transition: color 0.3s ease;
}

.lang-btn {
    transition: color 0.3s ease;
}

/* Light section styles (desktop only) */
@media (min-width: 901px) {
    .navbar.light-section .logo img {
        filter: brightness(0) invert(0);
    }

    .en-page .navbar.light-section .nav-links a {
        color: #333 !important;
    }

    .navbar.light-section .lang-btn {
        color: rgba(51, 51, 51, 0.7);
    }

    .navbar.light-section .lang-btn.active {
        color: #333;
    }

    .navbar.light-section .lang-divider {
        background: rgba(51, 51, 51, 0.25);
    }

    .navbar.light-section .lang-toggle {
        background: rgba(0, 0, 0, 0.08);
        border: 1px solid rgba(0, 0, 0, 0.1);
    }

    .side-nav.light-section button {
        background: #333;
        border-color: #333;
    }

    .side-nav.light-section button.active {
        background: #333;
    }

    .side-nav.light-section button::after {
        background: #333;
    }
}

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

.hero-bg-image {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transform: none;
}

.hero-bg-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    
}

.hero-overlay-light {
   
}
.hero-content {
    position: relative;
    text-align: center;
    z-index: 2;
}

.en-page .hero-video {
    height: 90vh;
    align-items: center;
    justify-content: center;
}

.en-page .hero-overlay {
 }

.en-page .hero-content {
    text-align: center;
    padding: 0 40px;
    max-width: 960px;
    align-self: center;
    margin: 0 auto;
}

.en-page .hero-content p {
    color: #414D9E !important;
    font-size: 32px;
    letter-spacing: 0.2px;
}

.en-page .hero-logo {
     
    opacity: 1;
}

.hero-content h1 {
    display: none;
    /* Hide text h1 if present */
}

.hero-logo {
    width: 100%;
    max-width: 514px;
    /* Requested size */
    height: auto;
    margin-bottom: 30px;
    opacity: 0;
    animation: heroFadeInUp 1s ease-out forwards;
    animation-delay: 0.5s;
}

/* ... (unchanged code) ... */

.hero-content p {
    font-size: 20px;
    font-weight: 300;
    letter-spacing: 2px;
    opacity: 0;
    animation: heroFadeInUp 1s ease-out forwards;
    animation-delay: 0.8s;
}

/* Product Page */
body.product-page {
    background: #fff;
    color: #1a1a1a;
}

.product-hero {
    position: relative;
    height: 70vh;
    min-height: 540px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.product-hero video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    transform: translate(-50%, -50%);
    object-fit: cover;
}

.product-hero .product-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.15) 45%, rgba(0, 0, 0, 0.35) 100%);
}

.product-hero-content {
    position: relative;
    z-index: 2;
    padding-bottom: 40px;
    width: 100%;
    text-align: center;
}

.product-hero-eyebrow {
    font-size: 14px;
    letter-spacing: 2px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 12px;
    text-transform: uppercase;
}

.product-hero-content h1 {
    font-size: 52px;
    line-height: 1.2;
    margin-bottom: 18px;
    color: #fefefe;
}

.product-hero-content p {
    font-size: 18px;
    max-width: 700px;
    color: rgba(255, 255, 255, 0.9);
}

.product-grid-section {
    padding: 120px 0;
    background: transparent;
}

.product-grid-header {
    margin-bottom: 50px;
    text-align: center;
}

.product-grid-header p {
    font-size: 14px;
    letter-spacing: 1px;
    color: #5a6a5a;
    margin-bottom: 10px;
}

.product-grid-header h2 {
    font-size: 40px;
    font-weight: 800;
    color: #1a1a1a;
    margin: 0;
    color: #4e4e4e;
}

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.catalog-card {
  
    
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: none;
}

.catalog-img-box {
    padding: 0;
    border-bottom: 0px solid rgba(0, 0, 0, 0.06);
    display: flex;
    justify-content: center;
    align-items: center;
}

.buy-btn img{ width:auto!important}

.catalog-card img {
    width: 100%;
    max-height: 420px;
    object-fit: contain;
}

.catalog-body {
    padding: 22px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.catalog-body h3 {
    font-size: 20px;
    font-weight: 700;
    margin: 0;
    color: #4e4e4e;
}

.catalog-body p {
    font-size: 14px;
    line-height: 1.7;
    color: #3a3a3a;
    margin: 0;
}

.catalog-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: auto;
}

.catalog-tag {
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 12px;
    color: #1f7a42;
    background: rgba(30, 152, 78, 0.12);
    border: 1px solid rgba(30, 152, 78, 0.2);
}

.catalog-list {
    list-style: none;
    padding: 0;
    margin: 6px 0 0 0;
    display: grid;
    gap: 6px;
}

.catalog-list li {
    font-size: 13px;
    color: #333;
    position: relative;
    padding-left: 18px;
}

.catalog-list li::before {
    content: '✔';
    position: absolute;
    left: 0;
    top: 0;
    color: #0ca24a;
    font-size: 12px;
    line-height: 1.2;
}

.price-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 8px;
    margin-top: 4px;
    flex-wrap: wrap;     padding-top: 20px;
    border-top: 1px solid #333;
}

.price-label {
    font-size: 13px;
    color: #555;
}

.price-old {
    font-size: 14px;
    color: #9a9a9a;
    text-decoration: line-through;
    margin-left: auto;
}

.price-new {
    font-size: 18px;
    font-weight: 700;
    color: #e22e2e;
}

.buy-btn {
    margin-top: 14px;
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 6px;
    background: #00DE5A;
    color: #fff;
    font-weight: 700;
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.buy-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.12);
}

@keyframes heroFadeInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Product Section */
.product-section {
    background: #000;
    display: flex;
    flex-direction: column;
    position: relative;
    padding: 120px 0 60px 0;
    overflow: hidden;
    min-height: 100vh;
    height: auto;    justify-content: center;
}

.product-section::before {
    content: '';
    position: absolute;
    left: 48px;
    top: 188px;
    width: 1px;
    height: 80px;
    background: rgb(255, 255, 255);
    z-index: 1;
}

/* Vertical ADIVE Logo */
.product-section .vertical-logo {
    position: absolute;
    left: 44px;
    top: 68px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 90px;
    height: auto;
    transform: rotate(-90deg) translate(-100%, 0);
    transform-origin: top left;
    z-index: 1;
}

.product-section .vertical-logo img {
    width: 100%;
    height: auto;
    filter: brightness(0) invert(1);
    opacity: 0.9;
}

.en-page .product-section .product-subtitle {
    color: #555;
}

.en-page .product-section .product-title {
    color: #111;
}

.en-page .product-section .product-features h3 {
    color: #111;
}

.en-page .product-section .product-features p {
    color: #333;
}

.en-page .product-section {
    background: #fff;
    color: #111;
}

.en-page .product-section::before {
    display: none;
}

.en-page .product-section .vertical-logo img {
    filter: none;
    opacity: 0.85;
}

/* Right side navigation */
.side-nav {
    position: fixed;
    right: 26px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 1200;
    padding: 12px 8px;
}

.side-nav::before {
    display: none;
}

.side-nav button {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.4);
    background: rgba(255, 255, 255, 0.12);
    cursor: pointer;
    transition: all 0.25s ease;
    padding: 0;
    position: relative;
}

.side-nav button:hover {
    transform: scale(1.12);
    border-color: rgba(255, 255, 255, 0.6);
    background: rgba(255, 255, 255, 0.25);
}

.side-nav button.active {
    background: #fff;
    border-color: #fff;
    transform: scale(1.25);
    box-shadow: none;
}

.side-nav button::after {
    content: attr(data-label);
    position: absolute;
    right: 22px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.85);
    color: #fff;
    padding: 6px 10px;
    border-radius: 12px;
    font-size: 11px;
    letter-spacing: 0.3px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
    white-space: nowrap;
}

.side-nav button:hover::after {
    opacity: 1;
    transform: translateY(-50%) translateX(-4px);
}

.product-container {
    display: flex;
    flex-direction: column;
    max-width: 100%;
    margin: 0 auto;
    width: 100%;
    padding: 0 0px;
    flex: 0 0 auto;
    position: relative;
    z-index: 2;
}

.product-header {     margin: 0 auto; width:100%;
    margin-bottom: 60px !important;
    text-align: left;  max-width: 1520px;
}

.product-subtitle {
    font-size: 32px;
    font-weight: 400;
    letter-spacing: 0;
    margin-bottom: 12px;
    opacity: 0.6;
    color: #fff;
}

.product-title {
    font-size: 56px;
    font-weight: 700;
    letter-spacing: -1px;
    line-height: 1.1;
}

.product-features { 
    margin: 0 auto !important; width:100%;
    max-width: 1520px; 
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 60px;
    margin-bottom: 50px;
}


.feature-col h3 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 16px;
    line-height: 1.5;
    color: #fff;
}

.feature-col p {
    font-size: 13px;
    line-height: 1.7;
    opacity: 0.6;
    color: #ccc;
    word-break: keep-all;
}


/* Video Carousel */
.product-carousel {
    margin-top: 28px;
    padding-top: 32px;
     
}

.video-carousel {
    width: 100%;
    overflow: hidden;
}

.carousel-wrapper {
    position: relative;
    width: 100%;
}

.carousel-track-container {
    overflow: hidden;
    width: 100%;
    padding: 0 80px;
}

.carousel-track {
    display: flex;
    gap: 28px;
    transition: transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
    padding: 0;
    justify-content: flex-start;
}

.carousel-slide {
    flex: 0 0 calc((100% - 56px) / 3);
    aspect-ratio: 4 / 2.5;
    position: relative;
    overflow: hidden;
    border-radius: 4px;
    background: #0a0a0a;
    min-height: 260px;
}

.carousel-slide img,
.carousel-slide video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}



/* Technology Section - Redesigned */
.tech-section {
    min-height: 100vh;
    padding: 120px 0;
    background: #000 url('../images/bg_logo.png') center 100% / 100% no-repeat;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.tech-section::before {
    display: none;
}

.en-page .tech-section {
    background: #fff;
    background-image: none;
    color: #111;
}

.en-page .tech-section .tech-title,
.en-page .tech-section .tech-subtitle,
.en-page .tech-section .tech-feature h3,
.en-page .tech-section .tech-feature p {
    color: #111;
}

.en-page .tech-section .pointer-line {
    background: #111;
}

.en-page .tech-section .pointer-line::after {
    background: #111;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.5);
}

.en-page .tech-section .pointer-dot {
    
}

.en-page .app-section {
    background: #fff;
}

.en-page .app-card-content h3,
.en-page .app-card-content .app-desc {
    color: #111;
}

.tech-container {
    max-width: 1600px;
    width: 100%;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

.vertical-logo-tech {
    display: none;
}

.tech-content {
    display: flex;
    gap: 50px;
    align-items: center;
    margin-bottom: 0;
    position: relative;
    z-index: 1;
    justify-content: center;
}

/* Left Side */
.tech-left {
    flex: 1;
    max-width: 600px;
    margin: 0 auto;
}

.tech-scroll-content {
    position: relative;
    min-height: 700px;
}

.tech-content-block {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    visibility: hidden;
    transform: translateY(70px);
    transition: opacity 0.7s ease, transform 0.7s ease, visibility 0s ease 0.7s;
    pointer-events: none;
    z-index: 1 !important;
}

.tech-content-block.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
    z-index: 10 !important;
    transition: opacity 0.7s ease, transform 0.7s ease, visibility 0s ease 0s;
}

.tech-stage-main {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

.tech-stage-cert {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 50px;
}

.cert-stage {
    display: flex;
    flex-direction: column;
    gap: 40px;
    align-items: flex-start;
}

.cert-item {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.cert-lead {
    font-size: 26px;
    font-weight: 700;
    line-height: 1.5;
    margin: 0;
    text-align: left;
    margin-bottom: 20px;
}

.cert-images {
    display: grid;
    grid-template-columns: repeat(2, minmax(350px, 1fr));
    gap: 22px;
    justify-items: start;
}

.cert-images img {
    width: 100%;
    max-width: 400px;
    border-radius: 8px;
     
     
}

.tech-header {
    margin-bottom: 60px;
}

.tech-subtitle {
    font-size: 26px;
    font-weight: 300;
    letter-spacing: 1px;
    margin-bottom: 12px;
    opacity: 1;
}

.tech-title {
    font-size: 48px;
    font-weight:700;
    letter-spacing: 2px;
    line-height: 1.2;
}

.tech-features {
    display: flex;
    flex-direction: column;
    gap: 50px;
}

.tech-feature {
    position: relative;
}

.feature-label {
    display: flex;
    align-items: center;
    margin-bottom: 16px;
    position: relative;
}

.en-page .feature-tag {color:#000;  border: 2px solid #000;}


.feature-tag {
    
    color: #fff;
    padding: 6px 16px;
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 1px;
    border: 2px solid #fff;
}

.pointer-line {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 800px;
    height: 1px;
    background: #fff;
    transform-origin: left center;
    margin-left: 10px;
}

.pointer-line::after {
    content: '';
    position: absolute;
    right: -4px;
    top: 50%;
    width: 8px;
    height: 8px;
    background: #fff;
    border-radius: 50%;
    transform: translateY(-50%);
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.8);
}

.tech-feature h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    line-height: 1.4;
}

.tech-feature p {
    font-size: 14px;
    line-height: 1.8;
    opacity: 0.8;
}

/* Right Side - Filter Image */
.tech-right {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    position: sticky;
    top: 80px;
}

.filter-container {
    position: relative;
    width: 100%;
    max-width: 600px;
    height: 700px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.filter-main-img {
    width: 100%;
    height: auto;
    position: relative;
    z-index: 2;
}

.filter-small-img {
    position: absolute;
    right: -60px;
    top: -40px;
    width: 45%;
    height: auto;
    z-index: 1;
    opacity: 0.8;
}

.filter-mobile {
    display: none;
    width: 100%;
    height: auto;
    max-width: 100%;
}

.pointer-dot {
    position: absolute;
    width: 12px;
    height: 12px;
    background: #fff;
    border-radius: 50%;
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.7), 0 0 30px rgba(255, 255, 255, 0.3);
    z-index: 3;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.3);
        opacity: 0.7;
    }
}

.uf-dot {
    top: 35%;
    right: 15%;
}

.carbon-dot {
    top: 60%;
    right: 15%;
}

/* Certifications */
.tech-certifications {
    margin-top: 150px;
    padding: 100px 0;
    position: relative;
}

.tech-certifications::before {
    content: 'ADIVE';
    position: absolute;
    left: -100px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 450px;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.03);
    letter-spacing: 20px;
    z-index: 0;
    line-height: 1;
}

.cert-section {
    position: relative;
    z-index: 1;
    margin-bottom: 100px;
}

.cert-header {
    display: flex;
    align-items: flex-start;
    gap: 0;
    margin-bottom: 50px;
    flex-direction: column;
}

.cert-logo-small {
    display: none;
}

.cert-header h3 {
    font-size: 36px;
    font-weight: 700;
    line-height: 1.4;
    margin: 0;
    margin-bottom: 30px;
}

.cert-images-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 600px;
}

.cert-images-grid img {
    width: 100%;
    max-width: 280px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background: #0a0a0a;
}

.cert-images-grid img:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
}

/* Fade up animation */
.fade-up {
    opacity: 0;
    transform: translateY(80px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.tech-section .tech-left .fade-up {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

.tech-section .tech-right .fade-up {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

/* Legacy fade-in-up support */
.fade-in-up {
    opacity: 0;
    transform: translateY(60px) scale(0.95);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Application Section: Hover Expand Cards */
/* Application Section: Hover Expand Cards */
.app-section {
    padding: 0;
    /* Remove vertical padding for full height feel if needed, or keep it */
    background: #000;
}

.app-cards {
    display: flex;
    gap: 0;
    /* Remove gap for full width seamless look */
    height: 100vh;
    /* Full viewport height */
    padding: 0;
    /* Remove padding */
    width: 100%;
    /* Full width */
}

.app-card {
    position: relative;
    flex: 1;
    overflow: hidden;
    cursor: pointer;
    transition: border-radius 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 0;
}

/* Unique Border Radius for First and Last Cards */
.app-card:first-child {
    border-top-left-radius: 200px;
    /* Flat against screen edge */
    border-top-right-radius: 200px;
}

.app-card:nth-child(2) {

    border-top-right-radius: 200px;
    border-bottom-right-radius: 200px;
}

.app-card:last-child {
    border-bottom-left-radius: 200px;
    border-bottom-right-radius: 200px;
    /* Flat against screen edge */
}



/* Hover State - Fill Border Radius */
.app-card:hover {
    border-radius: 0 !important;
    border-top-left-radius: 0 !important;
    border-top-right-radius: 0 !important;
    border-bottom-left-radius: 0 !important;
    border-bottom-right-radius: 0 !important;
}

.app-card-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    filter: brightness(0.7);
    transition: filter 0.5s cubic-bezier(0.4, 0, 0.2, 1), transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    transform: scale(1);
    will-change: transform, filter;
}

.app-card[data-app="outdoor"] .app-card-bg {
    background-image: url('../images/outdoor.jpg');
}

.app-card[data-app="emergency"] .app-card-bg {
    background-image: url('../images/emergency.jpg');
}

.app-card[data-app="water-shortage"] .app-card-bg {
    background-image: url('../images/water-shortage.jpg');
}

.app-card:hover .app-card-bg {
    filter: brightness(0.9);
    transform: scale(1.05);
}

.app-card-content {
    position: relative;
    height: 100%;
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.app-card h3 {
    font-size: 36px;
    font-weight: 700;
    margin: 0;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    color: #fff;
    transform: translateY(0);
    will-change: transform;
}

.app-desc {
    font-size: 16px;
    line-height: 1.6;
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    transition: opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1), max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1), margin-top 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    max-width: 80%;
    /* Limit text width */
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.5);
    color: #fff;
    margin-top: 0;
}

.app-card:hover h3 {
    transform: translateY(-15px);
}

.app-card:hover .app-desc {
    opacity: 1;
    max-height: 200px;
    margin-top: 10px;
}

.en-page .app-card h3,
.en-page .app-card .app-desc {
    color: #fff;
}

/* Brand Section with Video Background */
.en-page .brand-section p{max-width:600px} 
.en-page .brand-section h2 {font-size: 42px; line-height:1.3em}

.brand-section {
    position: relative;
    padding: 150px 0;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.brand-bg-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
}

.brand-bg-image {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.brand-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
 
}

.brand-overlay-none {
    background: rgba(0, 0, 0, 0);
}

.en-page .brand-section .container {
    color: #fff;
}

.en-page .brand-section h2 {
    color: #fff;
}

.en-page .brand-section>.container>p,
.en-page .brand-text p {
    color: #f5f5f5;
}

.en-page .brand-overlay {
     
}

.en-page .brand-bg-video {
    filter: none;
}

.brand-section .container {
    position: relative;
    z-index: 2;
    color: #1f2c19;
    width:100%; max-width:1520px;
}

.brand-section h2 {
    font-size: 52px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 30px;
    color: #2f3d25;
}

.brand-section>.container>p {
    font-size: 18px;
    margin-bottom: 60px;
    opacity: 0.95;
    color: #27341e;
    font-weight: 600;
}

.brand-text p {
    font-size: 16px;
    line-height: 1.85;
    margin-bottom: 30px;
    opacity: 0.9;
    color: #2b3822;
    font-weight: 500;
}

/* Media Section */

.en-page .media-section { background:#0E325B}
.en-page  .news-section h2 {color:#fff; }
.en-page .news-section {background:#4E7BC1}
.media-section {
    padding: 120px 0;
    background: linear-gradient(180deg, #1a2e1a 0%, #0d1a0d 100%);
    position: relative;
}

.media-section h2 {
    font-size: 48px;
    font-weight: 700;
    text-align: left;
    margin-bottom: 60px;
    padding-left: 0px;
color:#fff;
}

.media-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.media-carousel-nav {
    display: none;
}

/* Instagram-style Media Cards */
.media-card {
    background: rgba(20, 35, 20, 0.6);
    border-radius: 16px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    position: relative;
}

.media-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5);
}

.media-card-video {
    width: 100%;
    height: 65vh;
    background: #000;
    position: relative;
    overflow: hidden;
}

.media-card-video video,
.media-card-video iframe {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.media-card-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px;
    background: transparent;
}

.media-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}

.media-card-logo {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid rgba(255, 255, 255, 0.9);
    background: #fff;
    padding: 2px;
}

.media-card-username {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    letter-spacing: 0.3px;
}

.media-card-description {
    font-size: 14px;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.85);
    white-space: pre-line;
}

/* News Section - Carousel */
.news-section {
    padding: 120px 0;
    background: #4a6645;
    overflow: hidden;
    position: relative;
}

.news-section .container {
    position: relative;
}

.news-section h2 {
    font-size: 48px;
    font-weight: 700;
    text-align: left;
    margin-bottom: 60px;
    color: #fff;
}

.news-carousel {
    position: relative;
    width: 100%;
}

.news-carousel-wrapper {
    overflow: hidden;
    width: 100%;
}

.news-carousel-track {
    display: flex;
    gap: 24px;
    transition: transform 0.8s ease;
}

.news-link,
.news-item {
    flex: 0 0 calc(25% - 18px);
    min-width: calc(25% - 18px);
    max-width: calc(25% - 18px);
    text-decoration: none;
    color: inherit;
    border-radius: 14px;
    overflow:hidden
}

.news-link .news-item,
.news-item {
    background: #111;
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    height: 450px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: inline;
    width: 100%;
}

.news-item:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

.news-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    background: #222;
    display: block;
    flex-shrink: 0;
}

.news-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 24px;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.7) 30%, rgba(0, 0, 0, 0.95) 100%);
}

.news-date {
    font-size: 12px;
    opacity: 0.7;
    margin-bottom: 8px;
    color: #fff;
}

.news-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.4;
    color: #fff;
}

.news-desc {
    font-size: 14px;
    line-height: 1.5;
    opacity: 0.9;
    color: #fff;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-carousel-nav {
    position: absolute;
    top: 0;
    right: 40px;
    display: flex;
    gap: 16px;
}

.news-nav-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    font-size: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.news-nav-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

.news-nav-btn:disabled {
    opacity: 0.3 !important;
    cursor: not-allowed !important;
    pointer-events: none;
}

/* Contact Section */

    .mobile-menu-close {
        display: none;
    }
.en-page .contact-section {background:#E9E9E9 url('../images/bg_logo_en.png') center 100% / 100% no-repeat;}


.contact-section {
    padding: 150px 0;
    background: #000 url('../images/bg_logo.png') center 100% / 100% no-repeat;
    position: relative;
    overflow: hidden;
}

.contact-bg-logo {
    display: none;
}

.contact-container {
    display: flex;
    justify-content: space-between;
    position: relative;
    z-index: 1;
    gap: 60px;
}

.contact-left {
    flex: 0 0 40%;
}

.contact-right {
    flex: 1;
}

.contact-section h2 {
    font-size: 60px;
    font-weight: 700;
    text-align: left;
    margin-bottom: 60px;
    letter-spacing: 2px;
}

.en-page .contact-info{color:#000}

.contact-info {
    text-align: left;
    margin-bottom: 60px;
}

.en-page .contact-info p {color:#000}

.contact-info p {
    font-size: 14px;
    line-height: 1.6;
    opacity: 0.8;
    margin-bottom: 20px;
    color: #ccc;
}

.contact-detail {
    margin-bottom: 10px !important;
}
.en-page .contact-detail strong {
    color: #000; }
.contact-detail strong {
    color: #fff;
    margin-right: 8px;
}

.contact-form {
    max-width: 100%;
    margin: 0;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 0px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 18px;
    background: #fff;
    border: 1px solid #d0d0d0;
    border-radius: 4px;
    color: #111;
    font-size: 14px;
    font-family: inherit;
    margin-bottom: 20px;
    transition: border-color 0.3s;
}

.contact-form textarea {
    margin-bottom: 0;
    resize: none;
    height: 150px;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #0a2f57;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: #999;
}

.form-footer {
    display: flex;
    justify-content: flex-end;
    margin-top: 20px;
}

.en-page .submit-btn {
    width: auto;
    padding: 14px 40px;
    background: #0f3e70;
    border: none;
    border-radius: 4px;
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
}
.submit-btn {
    width: auto;
    padding: 14px 40px;
    background: #4a6645;
    border: none;
    border-radius: 4px;
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
}
.submit-btn:hover {
    background: #4a6645;
}
.en-page .submit-btn:hover {
    background: #0f3e70;
}
.en-page .download-btn {
    display: inline-block;
    margin: 0;
    padding: 14px 30px;
    background: transparent;
    border: 1px solid #000;
    border-radius: 0;
    color: #000;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}
.download-btn {
    display: inline-block;
    margin: 0;
    padding: 14px 30px;
    background: transparent;
    border: 1px solid #fff;
    border-radius: 0;
    color: #fff;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}
.en-page .download-btn:hover {
    border-color: #000;
    color: #000;
    background: rgba(0, 0, 0, 0.06);
}
.download-btn:hover {
    border-color: #000;
    color: #000;
    background: rgba(255, 255, 255, 1);
}

/* Privacy Agreement */
.privacy-agreement {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding: 12px 0;
}

.privacy-checkbox {
    display: flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.privacy-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-right: 8px;
    cursor: pointer;
    accent-color: #678D5A;
}

.contact-form .privacy-checkbox input[type="checkbox"] {margin-bottom:0px!important}

.en-page .privacy-checkbox span {color: #8888;}
.privacy-checkbox span {
    font-size: 14px;
    color: #fff;
}
.en-page .privacy-link{color: #8888;}
.privacy-link {
    background: none;
    border: none;
    color: #fff;
    font-size: 13px;
    text-decoration: underline;
    cursor: pointer;
    padding: 4px 8px;
    transition: opacity 0.2s;
}

.privacy-link:hover {
    opacity: 0.7;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: rgba(0, 0, 0, 0.6);
    animation: fadeIn 0.3s;
}

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

.modal-content {
    background-color: #fff;
    margin: 8% auto;
    padding: 0;
    border-radius: 12px;
    width: 85%;
    max-width: 550px;
    max-height: 70vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    animation: slideDown 0.3s;
}

@keyframes slideDown {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}
.en-page .modal-header {
    padding: 24px 30px;
    border-bottom: 1px solid #e5e5e5;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(135deg, #0f3e70 0%, #0f3e70 100%);
    border-radius: 12px 12px 0 0;
}

.modal-header {
    padding: 24px 30px;
    border-bottom: 1px solid #e5e5e5;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(135deg, #678D5A 0%, #8BA978 100%);
    border-radius: 12px 12px 0 0;
}

.modal-header h2 {
    margin: 0;
    font-size: 24px;
    font-weight: 700;
    color: #fff;
}

.modal-close {
    background: none;
    border: none;
    font-size: 32px;
    font-weight: 300;
    color: #fff;
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.2s;
    line-height: 1;
}

.modal-close:hover {
    opacity: 0.7;
}

.modal-body {
    padding: 30px;
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}

.modal-body h3 {
    font-size: 18px;
    font-weight: 600;
    color: #1a1a1a;
    margin: 24px 0 12px 0;
}

.modal-body h3:first-child {
    margin-top: 0;
}

.modal-body p {
    font-size: 14px;
    line-height: 1.8;
    color: #555;
    margin: 10px 0;
}

.modal-body ul {
    margin: 12px 0;
    padding-left: 24px;
}

.modal-body ul li {
    font-size: 14px;
    line-height: 1.8;
    color: #555;
    margin: 6px 0;
}

.modal-footer {
    padding: 20px 30px;
    border-top: 1px solid #e5e5e5;
    display: flex;
    justify-content: center;
    background-color: #fafafa;
    border-radius: 0 0 12px 12px;
}

.em-page .modal-agree-btn {background: linear-gradient(135deg, #0f3e70 0%, #0f3e70 100%); }
.modal-agree-btn {
    background: linear-gradient(135deg, #678D5A 0%, #8BA978 100%);
    color: #fff;
    border: none;
    padding: 12px 40px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s;
}

.modal-agree-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(103, 141, 90, 0.3);
}

/* Footer */
footer {
    padding: 40px 0;
    text-align: center;
    background: #000;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-sns {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-bottom: 24px;
}

.footer-sns a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    color: rgba(255, 255, 255, 0.6);
    transition: all 0.3s ease;
}

.footer-sns a:hover {
    color: rgba(255, 255, 255, 1);
    transform: translateY(-2px);
}

.footer-sns svg {
    width: 20px;
    height: 20px;
}

footer p {
    font-size: 13px;
    color: #fff;
    opacity: 0.7;
    margin: 8px 0;
    line-height: 1.6;
}

footer p strong {
    opacity: 1;
}



@media (max-width: 1520px) {

.product-header{max-width:100%; padding:0px 60px}
.product-features {max-width:100%; padding:0px 60px}
.product-section .vertical-logo {left:14px; }
.product-section::before {display:none}
}

/* Responsive - Tablet */
@media (max-width: 1024px) {
    .container {
        padding: 0 30px;
    }

    .navbar {
        padding: 18px 30px;
    }

    /* Product Section */
    .product-features {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }

    .product-title {
        font-size: 44px;
    }

    .product-subtitle {
        font-size: 28px;
    }

    /* Tech Section */
    .tech-content {
        flex-direction: column;
        gap: 60px;
    }

    .tech-left,
    .tech-right {
        max-width: 100%;
    }

    .tech-right {
        position: relative;
        top: 0;
    }

    .filter-container {
        max-width: 500px;
        margin: 0 auto;
    }

    .pointer-line {
        width: 400px;
    }

    .tech-title {
        font-size: 40px;
    }

    /* Carousel */
    .carousel-track-container {
        padding: 0 40px;
    }

    .carousel-slide {
        flex: 0 0 calc((100% - 28px) / 2);
    }

    /* Media Grid */
    .media-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    /* News Carousel */
    .news-item {
        flex: 0 0 calc(33.333% - 16px);
        min-width: calc(33.333% - 16px);
    }

    /* Contact */
    .contact-container {
        flex-direction: column;
        gap: 40px;
    }

    .contact-left {
        flex: 1;
    }
}

/* Responsive - Mobile */
@media (max-width: 768px) {
    body {
        scroll-snap-type: none;
    }

    section {
        min-height: auto;
        scroll-snap-align: none;
    }

    .container {
        padding: 0 20px;
    }

    /* Navbar */
    .navbar {
        padding: 15px 18px;
        gap: 12px;
        background: transparent;
        transition: background 0.3s ease, backdrop-filter 0.3s ease;
    }

    .navbar.scrolled {
        background: rgba(0, 0, 0, 0.8);
        backdrop-filter: blur(10px);
    }

    .en-page .navbar.scrolled {
        background: rgba(255, 255, 255, 0.8);
        backdrop-filter: blur(10px);
    }

    .logo img {
        height: 20px;
    }

    .product-page .nav-links {background:#fff}
 .product-page .nav-links.open .mobile-menu-close {color:#000}
    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        flex-direction: column;
        justify-content: center;
        gap: 24px;
        background: rgba(0, 0, 0, 0.98);
        backdrop-filter: blur(20px);
        padding: 80px 24px;
        display: none;
        z-index: 998;
        overflow-y: auto;
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links a {
        font-size: 18px;
        text-align: center;
        padding: 12px 0;
        color: #fff;
        transition: opacity 0.3s ease;
    }

    .nav-links a:hover {
        opacity: 0.7;
    }

    .mobile-menu-close {
        display: none;
    }

    .nav-links.open .mobile-menu-close {
        display: block;
        position: absolute;
        top: 20px;
        right: 20px;
        width: 44px;
        height: 44px;
        background: transparent;
        border: 2px solid rgba(255, 255, 255, 0.3);
        border-radius: 50%;
        color: #fff;
        font-size: 32px;
        line-height: 1;
        cursor: pointer;
        transition: all 0.3s ease;
        padding: 0;
        font-weight: 300;
    }

    .nav-links.open .mobile-menu-close:hover {
        background: rgba(255, 255, 255, 0.1);
        border-color: rgba(255, 255, 255, 0.5);
        transform: rotate(90deg);
    }

    /* English page - white background mobile menu */
    .en-page .nav-links {
        background: rgba(255, 255, 255, 0.98);
    }

    .en-page .nav-links a {
        color: #000;
    }

    .en-page .nav-links.open .mobile-menu-close {
        color: #000;
        border-color: rgba(0, 0, 0, 0.3);
    }

    .en-page .nav-links.open .mobile-menu-close:hover {
        background: rgba(0, 0, 0, 0.05);
        border-color: rgba(0, 0, 0, 0.5);
    }

    .nav-actions {
        gap: 10px;
    }

    .lang-toggle {
        padding: 5px 8px;
    }

    .lang-btn {
        font-size: 11px;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .side-nav {
        display: none;
    }

    /* Hero Section */
    .hero-video {
        height: 100vh;
        min-height: 600px;
    }

    .hero-logo {
        max-width: 280px;
        margin-bottom: 20px;
    }

    .hero-content p {
        font-size: 16px;
        letter-spacing: 1px;
    }

    .en-page .hero-content {
        padding-left: 20px;
        padding-right: 20px;
    }

    .en-page .hero-content p {
        font-size: 20px;
    }

    /* Product Hero */
    .product-hero {
        height: 40vh;
        min-height: 420px;
        align-items: center;
    }

    .product-hero-content {
        padding-bottom: 30px;
    }

    .product-hero-content h1 {
        font-size: 32px;
        margin-bottom: 12px;
    }

    .product-hero-content p {
        font-size: 15px;
    }

    .product-hero-eyebrow {
        font-size: 12px;
    }

    /* Product Grid */
    .product-grid-section {
        padding: 80px 0;
    }

    .product-grid-header h2 {
        font-size: 32px;
    }

    .catalog-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .catalog-card img {
         
    }

    .catalog-body {
        padding: 18px;
    }

    .catalog-body h3 {
        font-size: 18px;
    }

    .catalog-body p {
        font-size: 13px;
    }

    /* Product Section */
    .product-section {
        padding: 80px 0 40px;
        min-height: auto;
    }

    .product-section::before {
        display: none;
    }

    .product-section .vertical-logo {
        display: none;
    }

    .product-header {
        margin-bottom: 40px;
        padding: 0 20px;
    }

    .product-subtitle {
        font-size: 24px;
        margin-bottom: 8px;
    }

    .product-title {
        font-size: 36px;
        letter-spacing: -0.5px;
    }

    .product-features {
        grid-template-columns: 1fr;
        gap: 36px;
        padding: 0 20px;
        margin-bottom: 40px;
    }

    .feature-col h3 {
        font-size: 14px;
        margin-bottom: 12px;
    }

    .feature-col p {
        font-size: 12px;
    }

    /* Carousel */
    .carousel-track-container {
        padding: 0 20px;
    }

    .carousel-slide {
        flex: 0 0 calc(100% - 20px);
        min-height: 200px;
    }

    /* Tech Section */
    .tech-section {
        padding: 80px 0;
        background-size: 120%;
        background-position: center bottom;
    }

    .tech-container {
        padding: 0 20px;
    }

    .tech-content {
        flex-direction: column;
        gap: 40px;
    }

    .tech-header {
        margin-bottom: 40px;
        text-align: center;
    }

    .tech-subtitle {
        font-size: 20px;
        margin-bottom: 8px;
    }

    .tech-title {
        font-size: 32px;
        letter-spacing: 1px;
    }

    .tech-scroll-content {
        min-height: auto;
        display: flex;
        flex-direction: column;
    }

    .tech-content-block {
        position: relative !important;
        transform: none !important;
        opacity: 1 !important;
        visibility: visible !important;
        pointer-events: auto !important;
        margin-bottom: 40px;
    }

    .tech-content-block.active {
        transform: none !important;
        opacity: 1 !important;
        visibility: visible !important;
    }

    /* Reorder sections on mobile: main filter tech first, then cert */
    .tech-stage-main {
        order: 1;
        gap: 40px;
    }

    .tech-stage-cert {
        order: 3;
    }

    .tech-right {
        order: 2;
    }

    .tech-features {
        gap: 36px;
    }

    .feature-tag {
        font-size: 18px;
        padding: 5px 12px;
        color: #fff;
        border: 2px solid #fff;
        font-weight: 700;
    }

    .pointer-line {
        display: none;
    }

    .tech-feature h3 {
        font-size: 16px;
        margin-bottom: 10px;
        color: #fff;
    }

    .tech-feature p {
        font-size: 13px;
        color: #fff;
        opacity: 0.9;
        line-height: 1.6;
    }

    .tech-right {
        position: relative;
        top: 0;
    }

    .filter-container {
        max-width: 100%;
        height: auto;
        min-height: 400px;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .filter-desktop {
        display: none !important;
    }

    .filter-mobile {
        display: block !important;
        max-width: 100%;
        width: auto;
        height: auto;
        position: relative;
    }
    .en-page .cert-lead { color:#000}
    .cert-lead {
        font-size: 20px;
        color: #fff;
        line-height: 1.5;
    }

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

    .cert-images img {
        max-width: 100%;
        background: rgba(255, 255, 255, 0.1);
        padding: 10px;
        border-radius: 8px;
    }

    /* Application Cards */
    .app-section {
        padding: 0;
    }

    .app-cards {
        flex-direction: column;
        height: auto;
    }

    .app-card {        display: flex;
        align-items: center;
        min-height: 300px;
        border-radius: 0 !important;
        justify-content: center;
    }

    .app-card:first-child,
    .app-card:nth-child(2),
    .app-card:last-child {
        border-radius: 0 !important;
    }

    .app-card:hover {
        flex: 1;
    }

    .app-card-content {
        padding: 40px 30px;
    }

    .app-card h3 {
        font-size: 28px;
        margin-bottom: 16px;
    }

    .app-desc {
        font-size: 14px;
        max-width: 100%;
    }

    .app-card:hover .app-desc {
        max-height: 150px;
        margin-top: 16px;
    }

    /* Brand Section */
    .brand-section {
        padding: 80px 0;
    }
   .en-page .brand-section h2 {font-size:24px}
    .brand-section h2 {
        font-size: 28px;
        margin-bottom: 24px;
        line-height: 1.2;
    }

    .brand-section > .container > p {
        font-size: 16px;
        margin-bottom: 40px;
        max-width:70%
    }

    .brand-text p {
        font-size: 14px;
        line-height: 1.7;
        margin-bottom: 20px;
    }

    /* Media Section */
    .media-section {
        padding: 80px 0;
        position: relative;
    }

    .media-section h2 {
        font-size: 36px;
        margin-bottom: 40px;
        padding-left: 20px;
        text-align: left;
    }

    .media-grid {
        display: flex;
        flex-direction: row;
        gap: 20px;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        padding: 0 20px 20px 20px;
        grid-template-columns: none;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }

    .media-grid::-webkit-scrollbar {
        display: none;
    }

    .media-card {
        flex: 0 0 calc(85% - 10px);
        min-width: calc(85% - 10px);
        scroll-snap-align: start;
    }

    .media-card-video {
        height: 70vh;
    }

    .media-section .container {
        position: relative;
    }

    .media-carousel-nav {
        position: absolute;
        top: 5px;
        right: 40px;
        display: flex;
        gap: 10px;
        z-index: 10;
    }

    .media-nav-btn {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.15);
        border: 1px solid rgba(255, 255, 255, 0.3);
        color: #fff;
        font-size: 18px;
        cursor: pointer;
        transition: all 0.3s ease;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .media-nav-btn:hover {
        background: rgba(255, 255, 255, 0.25);
        transform: scale(1.1);
    }

    /* News Section */
    .news-section {
        padding: 80px 0;
        position: relative;
    }

    .news-section .container {
        position: relative;
    }

    .news-section h2 {
        font-size: 36px;
        margin-bottom: 40px;
        padding-left: 20px;
    }

    .news-carousel-nav {
        position: absolute;
        top: 5px;
        right: 40px;
        margin-top: 0;
        gap: 10px;
        z-index: 10;
    }

    .news-nav-btn {
        width: 40px;
        height: 40px;
        font-size: 18px;
        background: rgba(255, 255, 255, 0.15);
        border: 1px solid rgba(255, 255, 255, 0.3);
    }

   .news-link, .news-item{
             flex: 100%;
        min-width: 100% !important;
        max-width: 100% !important;
        height: 450px!important;
        display: flex !important;
        flex-direction: column;
    }

    .news-content {
        padding: 20px;
    }

    .news-title {
        font-size: 16px;
    }

    .news-desc {
        font-size: 13px;
    }

    /* Contact Section */
    .contact-section {
        padding: 80px 0;
        background-size: 140%;
    }

    .contact-container {
        flex-direction: column;
        gap: 40px;
    }

    .contact-left {
        flex: 1;
    }

    .contact-section h2 {
        font-size: 40px;
        margin-bottom: 40px;
        letter-spacing: 1px;
    }

    .contact-info {
        margin-bottom: 40px;
    }

    .contact-info p {
        font-size: 13px;
        line-height: 1.5;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
        margin-bottom: 0;
    }

    .contact-form input,
    .contact-form textarea {
        padding: 16px;
        font-size: 13px;
        margin-bottom: 16px;
    }

    .contact-form textarea {
        height: 120px;
    }

    .form-footer {
        margin-top: 16px;
    }

    .submit-btn {
        width: 100%;
        padding: 16px;
        font-size: 14px;
    }

 .en-page .download-btn {
        display: block;
        width: 50%;
        text-align: center;
        padding: 16px;
        margin: 10px 0;
    }


    .download-btn {
        display: block;
        width: 50%;
        text-align: center;
        padding: 16px;
        margin: 10px 0;
    }

    /* Footer */
    footer {
        padding: 30px 20px;
    }

    footer p {
        font-size: 12px;
        line-height: 1.6;
    }

    /* Disable smooth scrolling on mobile */
    .slider-track {
        flex-wrap: nowrap;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
    }

    .slide {
        min-width: 80%;
        scroll-snap-align: center;
    }
}

/* Extra Small Mobile */
@media (max-width: 480px) {
    .hero-logo {
        max-width: 220px;
    }

    .hero-content p {
        font-size: 14px;
    }

    .en-page .hero-content p {
        font-size: 18px;
    }

    .product-title {
        font-size: 28px;
    }

    .product-subtitle {
        font-size: 20px;
    }

    .tech-title {
        font-size: 28px;
    }

    .tech-subtitle {
        font-size: 18px;
    }

    .contact-section h2 {
        font-size: 32px;
    }

    .brand-section h2 {
        font-size: 26px;
    }

    .app-card h3 {
        font-size: 24px;
    }

    .filter-main-img {
        max-width: 280px;
    }

    .news-item {
        flex: 0 0 calc(65% - 12px);
        min-width: calc(65% - 12px);
    }
}