/* ===== BASE STYLES ===== */
:root {
    --primary-color: #1a3c6e;
    --primary-dark: #0f2a4d;
    --primary-light: #2a4f8a;
    --secondary-color: #f7941d;
    --secondary-dark: #e07c0c;
    --secondary-light: #ffad4d;
    --text-color: #333333;
    --text-light: #666666;
    --text-lighter: #999999;
    --light-bg: #f8f9fa;
    --light-border: #e9ecef;
    --dark-bg: #1a1a1a;
    --dark-light: #2d2d2d;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #17a2b8;
    --white: #ffffff;
    --black: #000000;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
    --border-radius: 8px;
    --border-radius-sm: 4px;
    --border-radius-lg: 12px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 80px 0;
}

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

ul {
    list-style: none;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 30px;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    text-align: center;
    white-space: nowrap;
}

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

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

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

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

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

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

.btn-block {
    width: 100%;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 15px;
    line-height: 1.2;
}

.section-title p {
    font-size: 18px;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
}

/* ===== HEADER ===== */
header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.header-top {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 10px 0;
    font-size: 14px;
}

.header-top .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.header-top .contact-info {
    display: flex;
    align-items: center;
    gap: 20px;
}

.header-top .contact-info i {
    margin-right: 8px;
}

.header-top .social-links {
    display: flex;
    gap: 15px;
}

.header-top .social-links a {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.header-top .social-links a:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
}

.header-main {
    padding: 15px 0;
}

.header-main .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-img {
    height: 50px;
    width: auto;
}

.logo-text h1 {
    font-size: 28px;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 2px;
}

.logo-text span {
    font-size: 12px;
    font-weight: 600;
    color: var(--secondary-color);
    letter-spacing: 1px;
    text-transform: uppercase;
}

nav ul {
    display: flex;
    gap: 30px;
}

nav ul li a {
    font-weight: 600;
    color: var(--text-color);
    padding: 8px 0;
    position: relative;
}

nav ul li a:hover,
nav ul li a.active {
    color: var(--secondary-color);
}

nav ul li a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--secondary-color);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--primary-color);
    cursor: pointer;
    padding: 5px;
}

/* ===== HERO SECTION ===== */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 150px 0 100px;
    margin-top: 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.03" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,160C1248,160,1344,128,1392,112L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom center;
    background-size: cover;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 8px 20px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 1px;
    margin-bottom: 20px;
    text-transform: uppercase;
}

.hero h1 {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero .tagline {
    font-size: 22px;
    font-weight: 500;
    color: var(--secondary-light);
    margin-bottom: 25px;
}

.hero > p {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 35px;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    margin-top: 30px;
}

.hero-features .feature {
    display: flex;
    align-items: center;
    gap: 10px;
    background-color: rgba(255, 255, 255, 0.1);
    padding: 12px 20px;
    border-radius: var(--border-radius);
    backdrop-filter: blur(10px);
}

.hero-features .feature i {
    color: var(--secondary-color);
    font-size: 18px;
}

/* ===== SERVICES SECTION ===== */
.services {
    background-color: var(--light-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 40px 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-top: 4px solid var(--primary-color);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-top-color: var(--secondary-color);
}

.service-icon {
    width: 70px;
    height: 70px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    margin-bottom: 25px;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background-color: var(--secondary-color);
    transform: scale(1.1);
}

.service-card h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.service-card > p {
    color: var(--text-light);
    margin-bottom: 20px;
    flex-grow: 1;
}

.service-card ul {
    margin-top: auto;
}

.service-card ul li {
    color: var(--text-light);
    padding: 5px 0;
    position: relative;
    padding-left: 20px;
}

.service-card ul li::before {
    content: '•';
    color: var(--secondary-color);
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* ===== PRODUCTS SECTION ===== */
.products {
    background-color: var(--white);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.product-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--light-border);
    position: relative;
    height: 100%;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.product-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    z-index: 1;
}

.product-header {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 30px;
    text-align: center;
}

.product-icon {
    font-size: 48px;
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.product-header h3 {
    font-size: 24px;
    font-weight: 700;
}

.product-body {
    padding: 30px;
}

.product-subtitle {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.product-body > p {
    color: var(--text-light);
    margin-bottom: 25px;
}

.product-features {
    margin-bottom: 30px;
}

.product-features li {
    padding: 10px 0;
    color: var(--text-light);
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.product-features li i {
    color: var(--success-color);
    margin-top: 4px;
}

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

/* ===== VIDEO SECTION ===== */
.video-section {
    background-color: var(--light-bg);
}

.video-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    align-items: start;
}

.video-wrapper {
    background-color: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.video-embed {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    height: 0;
    overflow: hidden;
}

.video-embed iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.video-controls {
    padding: 20px;
    background-color: var(--light-bg);
    display: flex;
    gap: 15px;
    justify-content: center;
}

.video-control-btn {
    padding: 10px 20px;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.video-control-btn:hover {
    background-color: var(--primary-dark);
}

.video-info {
    background-color: var(--white);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.video-info h3 {
    font-size: 22px;
    color: var(--primary-color);
    margin-bottom: 20px;
    font-weight: 700;
}

.video-highlights {
    margin-bottom: 25px;
}

.video-highlights li {
    padding: 10px 0;
    color: var(--text-light);
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.video-highlights li i {
    color: var(--secondary-color);
    margin-top: 3px;
}

.video-stats {
    display: flex;
    gap: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--light-border);
}

.video-stats .stat {
    display: flex;
    align-items: center;
    gap: 10px;
}

.video-stats .stat i {
    color: var(--secondary-color);
    font-size: 18px;
}

.video-stats .stat span {
    font-weight: 600;
    color: var(--primary-color);
}

/* ===== ABOUT SECTION ===== */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.company-profile {
    margin-bottom: 30px;
}

.company {
    margin-bottom: 30px;
}

.company h3 {
    font-size: 22px;
    color: var(--primary-color);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.company h3 i {
    color: var(--secondary-color);
}

.founded {
    color: var(--text-light);
    font-size: 14px;
    margin-bottom: 10px;
    font-style: italic;
}

.company p {
    color: var(--text-light);
    line-height: 1.7;
}

.achievements {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin: 40px 0;
}

.achievement {
    text-align: center;
    padding: 20px;
    background-color: var(--light-bg);
    border-radius: var(--border-radius);
    border: 1px solid var(--light-border);
}

.achievement .number {
    display: block;
    font-size: 32px;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 5px;
}

.achievement .label {
    font-size: 14px;
    color: var(--text-light);
    font-weight: 500;
}

.about-image {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    height: 100%;
}

.image-container {
    position: relative;
    height: 100%;
    min-height: 500px;
}

.office-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(26, 60, 110, 0.9));
    color: var(--white);
    padding: 30px;
}

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

.overlay-content i {
    font-size: 40px;
    color: var(--secondary-color);
    margin-bottom: 15px;
}

.overlay-content h4 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 10px;
}

.overlay-content p {
    opacity: 0.9;
}

/* ===== FEATURES SECTION ===== */
.features {
    background-color: var(--light-bg);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 40px 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
    border-bottom: 4px solid transparent;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-bottom-color: var(--secondary-color);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin: 0 auto 25px;
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    background-color: var(--secondary-color);
    transform: rotateY(180deg);
}

.feature-card h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.7;
}

/* ===== PARTNERS SECTION ===== */
.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.partner-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--light-border);
}

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

.partner-logo {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 15px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.text-logo {
    font-size: 32px;
    font-weight: 800;
    color: var(--primary-color);
    text-transform: uppercase;
}

.partner-card h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.partner-card p {
    color: var(--text-light);
    font-size: 14px;
}

.certifications-section {
    background-color: var(--white);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-top: 60px;
}

.certifications-section h3 {
    font-size: 24px;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 40px;
    font-weight: 700;
}

.certifications {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.cert-badge {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    background-color: var(--light-bg);
    border-radius: var(--border-radius);
    border: 1px solid var(--light-border);
    transition: var(--transition);
}

.cert-badge:hover {
    border-color: var(--secondary-color);
    transform: translateX(5px);
}

.cert-icon {
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}

.cert-info h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.cert-info p {
    color: var(--text-light);
    font-size: 14px;
}

/* ===== CONTACT SECTION ===== */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h3 {
    font-size: 28px;
    color: var(--primary-color);
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-info h3 i {
    color: var(--secondary-color);
}

.contact-info > p {
    color: var(--text-light);
    margin-bottom: 40px;
    line-height: 1.7;
}

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

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 25px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.contact-text h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.contact-text p {
    color: var(--text-light);
}

.office-hours {
    background-color: var(--light-bg);
    padding: 25px;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--secondary-color);
}

.office-hours h4 {
    font-size: 18px;
    color: var(--primary-color);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.office-hours h4 i {
    color: var(--secondary-color);
}

.office-hours p {
    color: var(--text-light);
    margin-bottom: 10px;
}

.contact-form {
    background-color: var(--white);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.contact-form h3 {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-form h3 i {
    color: var(--secondary-color);
}

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

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 8px;
    font-size: 15px;
}

.form-group input,
.form-group textarea,
.form-select {
    width: 100%;
    padding: 14px 20px;
    border: 1px solid var(--light-border);
    border-radius: var(--border-radius);
    font-family: 'Poppins', sans-serif;
    font-size: 16px;
    color: var(--text-color);
    transition: var(--transition);
    background-color: var(--light-bg);
}

.form-group input:focus,
.form-group textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--secondary-color);
    background-color: var(--white);
    box-shadow: 0 0 0 3px rgba(247, 148, 29, 0.1);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%231a3c6e' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 20px center;
    background-size: 16px;
    padding-right: 50px;
}

.form-submit {
    margin-top: 30px;
}

.form-note {
    text-align: center;
    color: var(--text-light);
    font-size: 14px;
    margin-top: 15px;
}

/* ===== FOOTER ===== */
footer {
    background-color: var(--dark-bg);
    color: var(--white);
    padding: 80px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 50px;
    margin-bottom: 60px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
}

.footer-logo-img {
    height: 50px;
    width: auto;
}

.footer-logo-text h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 5px;
}

.footer-logo-text .tagline {
    font-size: 12px;
    color: var(--secondary-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-column > p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    margin-bottom: 25px;
}

.footer-column h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 15px;
}

.footer-column h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--secondary-color);
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    display: flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--secondary-color);
    transform: translateX(5px);
}

.footer-social {
    margin-top: 30px;
}

.social-icons {
    display: flex;
    gap: 15px;
    margin-top: 15px;
}

.social-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition);
}

.social-icon:hover {
    background-color: var(--secondary-color);
    transform: translateY(-3px);
}

.newsletter {
    margin-top: 30px;
}

.newsletter-form {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.newsletter-form input {
    flex: 1;
    padding: 12px 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--white);
    font-family: 'Poppins', sans-serif;
}

.newsletter-form input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.newsletter-form button {
    width: 50px;
    border: none;
    background-color: var(--secondary-color);
    color: var(--white);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

.newsletter-form button:hover {
    background-color: var(--secondary-dark);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 30px 0;
}

.footer-bottom-content {
    text-align: center;
}

.footer-tagline {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.tagline-item {
    font-weight: 600;
    color: var(--secondary-color);
    font-size: 14px;
    letter-spacing: 1px;
    position: relative;
}

.tagline-item:not(:last-child)::after {
    content: '•';
    position: absolute;
    right: -18px;
    color: rgba(255, 255, 255, 0.3);
}

.footer-copyright p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 15px;
}

.footer-legal {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    margin-top: 25px;
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    transition: var(--transition);
}

.footer-legal a:hover {
    color: var(--secondary-color);
}

/* ===== BACK TO TOP ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--secondary-color);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: var(--shadow);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--secondary-dark);
    transform: translateY(-5px);
}

/* ===== RESPONSIVE STYLES ===== */
@media (max-width: 1200px) {
    .container {
        max-width: 960px;
    }
}

@media (max-width: 992px) {
    .container {
        max-width: 720px;
    }
    
    .section-title h2 {
        font-size: 32px;
    }
    
    .hero h1 {
        font-size: 42px;
    }
    
    .about-content,
    .contact-content,
    .video-container {
        grid-template-columns: 1fr;
    }
    
    .video-container {
        gap: 30px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .achievements {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        max-width: 540px;
    }
    
    section {
        padding: 60px 0;
    }
    
    .header-main .container {
        flex-wrap: wrap;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    nav {
        display: none;
        width: 100%;
        margin-top: 20px;
    }
    
    nav.active {
        display: block;
    }
    
    nav ul {
        flex-direction: column;
        gap: 10px;
    }
    
    nav ul li a {
        display: block;
        padding: 12px 15px;
        background-color: var(--light-bg);
        border-radius: var(--border-radius);
    }
    
    nav ul li a.active {
        background-color: var(--primary-color);
        color: var(--white);
    }
    
    nav ul li a.active::after {
        display: none;
    }
    
    .hero {
        padding: 120px 0 80px;
    }
    
    .hero h1 {
        font-size: 36px;
    }
    
    .hero .tagline {
        font-size: 20px;
    }
    
    .section-title h2 {
        font-size: 28px;
    }
    
    .services-grid,
    .products-grid,
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .certifications {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-tagline {
        gap: 15px;
    }
    
    .tagline-item:not(:last-child)::after {
        display: none;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 15px;
    }
    
    .hero h1 {
        font-size: 32px;
    }
    
    .hero .tagline {
        font-size: 18px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .hero-features {
        flex-direction: column;
        align-items: center;
    }
    
    .service-card,
    .product-card,
    .feature-card,
    .partner-card,
    .contact-form,
    .video-info {
        padding: 25px 20px;
    }
    
    .section-title {
        margin-bottom: 40px;
    }
    
    .section-title h2 {
        font-size: 24px;
    }
    
    .section-title p {
        font-size: 16px;
    }
    
    .video-controls {
        flex-direction: column;
    }
    
    .video-control-btn {
        width: 100%;
        justify-content: center;
    }
    
    .footer-legal {
        flex-direction: column;
        gap: 15px;
    }
    
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}

@media (max-width: 480px) {
    .header-top .container {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
    
    .header-top .contact-info {
        flex-direction: column;
        gap: 10px;
    }
    
    .logo-text h1 {
        font-size: 24px;
    }
    
    .hero h1 {
        font-size: 28px;
    }
    
    .hero p {
        font-size: 16px;
    }
    
    .achievements {
        grid-template-columns: 1fr;
    }
}