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

:root {
    --primary-color: #1a1a2e;
    --secondary-color: #16213e;
    --accent-color: #0f3460;
    --highlight-color: #FF6F61;
    --text-primary: #1a1a2e;
    --text-secondary: #4a5568;
    --text-light: #718096;
    --bg-light: #f7fafc;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-white);
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    max-width: 100vw;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition);
}

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

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    line-height: 1.2;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.nav-logo:hover {
    opacity: 0.8;
}

.nav-logo-img {
    height: 50px;
    width: auto;
    object-fit: contain;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: -0.5px;
}

.logo-subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 2rem;
    margin-left: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover {
    color: var(--highlight-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--highlight-color);
    transition: var(--transition);
}

.nav-link:hover::after {
    width: 100%;
}

.lang-switcher {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    margin-left: 1rem;
}

.lang-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4px 8px;
    background: transparent;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-primary);
    transition: var(--transition);
    font-family: inherit;
    min-width: auto;
}

.lang-btn:hover {
    border-color: var(--highlight-color);
    background: rgba(255, 111, 97, 0.05);
    color: var(--highlight-color);
}

.lang-btn.active {
    background: var(--highlight-color);
    border-color: var(--highlight-color);
    color: white;
}

.lang-btn.active:hover {
    background: #E66457;
    border-color: #E66457;
}

.flag-icon {
    display: inline-block;
    vertical-align: middle;
    line-height: 1;
}

.flag-img {
    width: 20px;
    height: 15px;
    display: block;
    object-fit: cover;
    border-radius: 2px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.flag-us {
    margin-right: 0.3rem;
}

.flag-am {
    margin-left: 0.3rem;
    margin-right: 0.3rem;
}

.lang-text {
    font-size: 0.875rem;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    transition: var(--transition);
    border-radius: 2px;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: url('./images/glue.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: auto;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    transform: translateZ(0);
    color: white;
    text-align: center;
    padding: 120px 20px 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.3) 0%, rgba(0, 0, 0, 0.2) 100%);
    z-index: 0;
}

.hero-container {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-logo {
    max-width: 300px;
    width: 100%;
    height: auto;
    margin: 0 auto 2rem;
    display: block;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.1;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 2rem;
    opacity: 0.9;
    font-style: italic;
}

.hero-description {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 3rem;
    opacity: 0.95;
}

.hero-description-3 {
    display: none;
}

.hero-description:first-of-type {
    margin-bottom: 0.5rem;
}

.hero-description:last-of-type {
    margin-bottom: 3rem;
}

/* Reduce spacing between hero descriptions for Armenian version */
[lang="hy"] .hero-description {
    margin-bottom: 0.5rem;
}

[lang="hy"] .hero-description:last-of-type {
    margin-bottom: 3rem;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
}

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

.btn-primary:hover {
    background: #E66457;
    border-color: #E66457;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: transparent;
    color: white;
    border-color: white;
}

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

/* Section Styles */
section {
    padding: 50px 0;
}

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

.products .section-header {
    margin-bottom: 1.5rem;
}

.contact .section-header {
    margin-bottom: 2rem;
}

.workshops .section-header {
    margin-bottom: 2rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    font-weight: 400;
}

/* About Section */
.about {
    background: var(--bg-light);
}

.about-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1.5fr;
    gap: 0;
    align-items: start;
}

.about-content > div:first-child {
    display: flex;
    justify-content: flex-end;
    align-items: start;
}

.about-content > div:last-child {
    margin-left: -3rem;
}

.about .section-header {
    max-width: 1200px;
    margin: 0 auto;
    margin-bottom: 2rem;
    text-align: center;
}

.about .section-title {
    white-space: nowrap;
}

.about-image-frame {
    border: 5px solid #0C2577;
    border-radius: 8px;
    padding: 2px;
    background: white;
    box-shadow: var(--shadow-md);
    position: relative;
    display: inline-block;
    width: fit-content;
    max-width: 450px;
    margin: 0 auto;
}

.about-image-frame::before {
    content: '';
    position: absolute;
    top: -4px;
    left: -4px;
    right: -4px;
    bottom: -4px;
    border: 2px solid rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    pointer-events: none;
}

.about-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 4px;
}

.about-text p {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.about-highlight {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    margin-top: 1rem;
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--highlight-color);
}

.certified-partnership {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.6rem 1rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border: 2px solid var(--highlight-color);
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

.certified-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--highlight-color);
    border-radius: 50%;
    color: white;
    flex-shrink: 0;
}

.certified-badge svg {
    width: 14px;
    height: 14px;
}

.certified-label {
    font-size: 1.1rem;
    font-weight: 400;
    color: #6c757d;
    letter-spacing: 0.5px;
}

.about-highlight h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.about-highlight p {
    color: var(--text-secondary);
    margin-bottom: 0;
}

/* Smaller font size for Armenian text in about section */
[lang="hy"] .about-highlight p {
    font-size: 0.95rem;
    line-height: 1.7;
}

/* Certifications Section */
.certifications {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 3rem 0;
    position: relative;
    overflow: hidden;
}

.certifications::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.15);
    z-index: 0;
    pointer-events: none;
}

.certifications-blob-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.85;
    filter: blur(8px);
    z-index: 1;
    pointer-events: none;
}

.certifications .container {
    position: relative;
    z-index: 2;
}

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

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    margin-top: 2rem;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.certification-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
}

.certification-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    border: 1px solid rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    width: 100%;
    margin-bottom: 1rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 240px;
    height: 100%;
}

.certification-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.certification-image {
    max-width: 100%;
    width: auto;
    height: auto;
    max-height: 150px;
    min-height: 120px;
    object-fit: contain;
    display: block;
    margin-left: auto;
    margin-right: auto;
    flex-shrink: 0;
}

.certification-image.iso-image {
    max-height: 180px;
    min-height: 150px;
}

.certification-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    flex-shrink: 0;
}

.btn-certification {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

.btn-certification:hover {
    background: var(--secondary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* Products Section */
.products {
    position: relative;
    overflow: hidden;
}

.products .container {
    position: relative;
    z-index: 1;
}

@keyframes move {
    100% {
        transform: translate3d(0, 0, 1px) rotate(360deg);
    }
}

.products-background {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: #E7E3DC;
    overflow: hidden;
    z-index: 0;
}

.products-background .ball {
    position: absolute;
    width: 20vmin;
    height: 20vmin;
    border-radius: 50%;
    backface-visibility: hidden;
    animation: move linear infinite;
}

/* Red balls at positions 1, 3, 5, 7 */
.products-background .ball:nth-child(1),
.products-background .ball:nth-child(3),
.products-background .ball:nth-child(5),
.products-background .ball:nth-child(7) {
    color: #FF6F61;
}

/* Blue balls at positions 2, 4, 6, 8 */
.products-background .ball.ball-blue {
    color: #0C2577 !important;
}

.products-background .ball:nth-child(1) {
    top: 77%;
    left: 88%;
    animation-duration: 40s;
    animation-delay: -3s;
    transform-origin: 16vw -2vh;
    box-shadow: 40vmin 0 5.703076368487546vmin currentColor;
}

.products-background .ball:nth-child(2) {
    top: 42%;
    left: 2%;
    animation-duration: 53s;
    animation-delay: -29s;
    transform-origin: -19vw 21vh;
    box-shadow: -40vmin 0 5.17594621519026vmin currentColor;
}

.products-background .ball:nth-child(3) {
    top: 28%;
    left: 18%;
    animation-duration: 49s;
    animation-delay: -8s;
    transform-origin: -22vw 3vh;
    box-shadow: 40vmin 0 5.248179047256236vmin currentColor;
}

.products-background .ball:nth-child(4) {
    top: 50%;
    left: 79%;
    animation-duration: 26s;
    animation-delay: -21s;
    transform-origin: -17vw -6vh;
    box-shadow: 40vmin 0 5.279749632220298vmin currentColor;
}

.products-background .ball:nth-child(5) {
    top: 46%;
    left: 15%;
    animation-duration: 36s;
    animation-delay: -40s;
    transform-origin: 4vw 0vh;
    box-shadow: -40vmin 0 5.964309466052033vmin currentColor;
}

.products-background .ball:nth-child(6) {
    top: 77%;
    left: 16%;
    animation-duration: 31s;
    animation-delay: -10s;
    transform-origin: 18vw 4vh;
    box-shadow: 40vmin 0 5.178483653434181vmin currentColor;
}

.products-background .ball:nth-child(7) {
    top: 22%;
    left: 17%;
    animation-duration: 55s;
    animation-delay: -6s;
    transform-origin: 1vw -23vh;
    box-shadow: -40vmin 0 5.703026794398318vmin currentColor;
}

.products-background .ball:nth-child(8) {
    top: 41%;
    left: 47%;
    animation-duration: 43s;
    animation-delay: -28s;
    transform-origin: 25vw -3vh;
    box-shadow: 40vmin 0 5.196265905749415vmin currentColor;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 1rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.products-grid-full {
    grid-template-columns: repeat(2, 1fr);
    max-width: 1400px;
}

.product-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    text-align: center;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--highlight-color);
}

.product-icon {
    width: 100%;
    max-width: 200px;
    height: auto;
    max-height: 150px;
    object-fit: contain;
    margin-bottom: 1rem;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.product-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.product-description {
    color: var(--text-secondary);
    line-height: 1.6;
    flex-grow: 1;
    margin-top: 0.5rem;
}

.products-actions {
    text-align: center;
    margin-top: 3rem;
}

.applications-actions {
    text-align: center;
    margin-top: 3rem;
}

/* Applications Section */
.applications {
    background: var(--bg-light);
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.applications-grid-main {
    grid-template-columns: repeat(2, 1fr);
    max-width: 1000px;
}

.applications-grid-all {
    grid-template-columns: repeat(2, 1fr);
    max-width: 1000px;
}

.applications-grid .application-card {
    width: 100%;
}

.application-card {
    background: white;
    padding: 0;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border-top: 4px solid var(--accent-color);
    overflow: hidden;
}

.application-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.applications-grid .application-card:nth-child(4):hover,
.applications-grid .application-card:nth-child(5):hover {
    transform: translateY(-5px);
}

.application-image {
    width: 100%;
    height: 280px;
    min-height: 280px;
    object-fit: cover;
    display: block !important;
    background-color: #f0f0f0;
    visibility: visible !important;
    opacity: 1 !important;
    max-width: 100%;
    position: relative;
    z-index: 1;
}

.application-title {
    padding: 1.5rem 2.5rem 2.5rem;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0;
}

.application-description {
    color: var(--text-secondary);
    line-height: 1.7;
    padding: 0 2.5rem 2.5rem;
}

/* R&D Section */
.rd-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
}

.rd-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 3rem;
    align-items: center;
}

.rd-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.rd-subtitle {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 2rem;
    opacity: 0.9;
    font-style: italic;
}

.rd-text p {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    opacity: 0.95;
}

.rd-image {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    width: 100%;
    min-height: 400px;
    position: relative;
    padding: 1rem;
    padding-right: 2rem;
}

.rd-belt-image {
    width: auto;
    max-width: 100%;
    height: auto;
    max-height: 550px;
    display: block;
    object-fit: contain;
    visibility: visible;
    opacity: 1;
    margin-left: auto;
}

/* Sustainability Section */
.sustainability {
    background-color: #E7E3DC;
    text-align: center;
}

.sustainability-content {
    max-width: 1200px;
    margin: 0 auto;
}

.sustainability-image-container {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.sustainability-image {
    width: 100%;
    height: auto;
    display: block;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: auto;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    transform: translateZ(0);
}

.sustainability-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    text-align: center;
}

.sustainability-text-background {
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: 2rem;
    border-radius: 12px;
    max-width: 90%;
}

.sustainability-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 0.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.sustainability-subtitle {
    font-size: 1.5rem;
    font-weight: 400;
    color: white;
    margin-bottom: 1.5rem;
    font-style: italic;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.sustainability-text {
    font-size: 1.125rem;
    line-height: 1.8;
    color: white;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
    max-width: 90%;
}

/* Workshops Section */
.workshops {
    background: white;
    padding: 2.5rem 0;
}

.workshops-content {
    max-width: 1000px;
    margin: 0 auto;
}

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

.workshops-text p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.workshops-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.workshop-feature {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.workshop-feature:nth-child(1) {
    background: #FFF0EE;
    border-color: #FFD6D0;
}

.workshop-feature:nth-child(2) {
    background: #FFF9E6;
    border-color: #FFE8B3;
}

.workshop-feature:nth-child(3) {
    background: #F0F9FF;
    border-color: #D0E7F5;
}

.workshop-feature:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.workshop-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.workshop-feature h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

.workshop-feature p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.workshops-actions {
    margin-top: 2.5rem;
    text-align: center;
}

/* Contact Section */
.contact {
    background: var(--bg-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 1.5rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    background: white;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

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

.contact-icon {
    font-size: 2rem;
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.contact-item-content {
    flex: 1;
}

.contact-item h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.contact-item h4 {
    font-size: 1.125rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.contact-item p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.contact-map {
    width: 100%;
    height: 100%;
    min-height: 450px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.contact-map iframe {
    width: 100%;
    height: 100%;
    min-height: 450px;
    border: none;
    border-radius: 12px;
}

.contact-form-container {
    background: white;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--highlight-color);
    box-shadow: 0 0 0 3px rgba(255, 111, 97, 0.1);
}

.form-group textarea {
    resize: vertical;
}

/* Footer */
.footer {
    background: var(--primary-color);
    color: white;
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    font-weight: 600;
}

.footer-section p {
    opacity: 0.8;
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    opacity: 1;
    color: var(--highlight-color);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
    font-size: 0.875rem;
}

.footer-bottom-left {
    text-align: left;
}

.footer-bottom-right {
    text-align: right;
}

.footer-bottom p {
    margin-bottom: 0.5rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -85%;
        flex-direction: column;
        background: white;
        width: 85%;
        max-width: 320px;
        padding: 2rem;
        box-shadow: var(--shadow-lg);
        transition: var(--transition);
        gap: 1.5rem;
        height: calc(100vh - 70px);
        overflow-y: auto;
    }

    .nav-menu.active {
        left: 0;
    }

    .lang-switcher {
        margin-left: 0;
        justify-content: center;
    }

    .lang-btn {
        flex: 1;
        justify-content: center;
    }

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

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

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

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

    .workshops {
        padding: 2rem 0;
    }

    .workshops-features {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .certifications-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

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

    .contact-map {
        min-height: 300px;
    }

    .contact-map iframe {
        min-height: 300px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    .sustainability-image-container {
        min-height: 500px;
    }

    .sustainability-overlay {
        padding: 1rem;
        padding-top: 1.5rem;
        overflow-y: auto;
        align-items: flex-start;
        justify-content: flex-start;
    }
    
    .sustainability-text-background {
        margin-top: 1rem;
        padding: 1.5rem;
        max-width: 95%;
    }

    .sustainability-title {
        font-size: 1.75rem;
    }

    .sustainability-subtitle {
        font-size: 1.25rem;
        margin-bottom: 1rem;
    }

    .sustainability-text {
        font-size: 1rem;
        line-height: 1.6;
    }
}

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

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

    .products-grid,
    .applications-grid,
    .workshops-features {
        grid-template-columns: 1fr;
    }

    .sustainability-image-container {
        min-height: 450px;
    }

    .sustainability-overlay {
        padding: 0.75rem;
        padding-top: 1.25rem;
        align-items: flex-start;
        justify-content: flex-start;
    }
    
    .sustainability-text-background {
        margin-top: 0.75rem;
        padding: 1rem;
        max-width: 98%;
    }

    .sustainability-title {
        font-size: 1.5rem;
        margin-bottom: 0.25rem;
    }

    .sustainability-subtitle {
        font-size: 1.1rem;
        margin-bottom: 0.75rem;
    }

    .sustainability-text {
        font-size: 0.9rem;
        line-height: 1.5;
    }

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

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

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-bottom {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 1rem;
    }

    .footer-bottom-left,
    .footer-bottom-right {
        text-align: center;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
    overflow-x: hidden;
    width: 100%;
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}