/* ========== CSS Variables ========== */
:root {
    --primary: #1a237e;
    --primary-dark: #0d1442;
    --primary-light: #3949ab;
    --accent: #1e88e5;
    --dark: #1a1a1a;
    --dark-light: #2d2d2d;
    --gray: #f5f5f5;
    --gray-dark: #757575;
    --gray-medium: #9e9e9e;
    --white: #ffffff;
    --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;
    --radius: 8px;
    --radius-lg: 16px;
}

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

html {
    scroll-behavior: smooth;
}

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

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

ul {
    list-style: none;
}

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

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

/* ========== Header ========== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    z-index: 1000;
    transition: var(--transition);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 20px;
    max-width: 1400px;
    margin: 0 auto;
}

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

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

.logo-icon {
    font-size: 28px;
}

.logo-text {
    font-family: 'Poppins', sans-serif;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 5px;
}

.nav-link {
    padding: 10px 15px;
    color: var(--dark);
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius);
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    background: var(--primary);
    color: var(--white);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.header-phone {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--dark);
    font-weight: 500;
}

.header-phone i {
    color: var(--primary);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--dark);
    border-radius: 2px;
    transition: var(--transition);
}

/* ========== Hero Section - Ibtank Style ========== */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, rgba(26, 35, 126, 0.85), rgba(13, 20, 66, 0.9)),
        url('https://images.unsplash.com/photo-1486325212027-8081e485255e?w=1920&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px;
    position: relative;
}

.hero-slide {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 40px 20px;
}

.hero-content {
    text-align: center;
    max-width: 900px;
    color: var(--white);
}

.hero-label {
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 25px;
    opacity: 0.9;
}

.hero-title {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 30px;
    line-height: 1.3;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.2rem);
    margin-bottom: 40px;
    opacity: 0.85;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

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

/* ========== Buttons ========== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    font-size: 14px;
    font-weight: 600;
    border-radius: 4px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(26, 35, 126, 0.4);
}

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

.btn-outline:hover {
    background: var(--white);
    color: var(--primary);
}

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

.btn-light:hover {
    background: transparent;
    color: var(--white);
}

/* ========== Mission Statement Section ========== */
.mission-section {
    padding: 80px 0;
    background: var(--primary);
    text-align: center;
}

.mission-quote {
    max-width: 800px;
    margin: 0 auto;
}

.mission-quote blockquote {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(1.3rem, 3vw, 1.8rem);
    font-style: italic;
    font-weight: 500;
    color: var(--white);
    line-height: 1.6;
    margin-bottom: 20px;
}

.mission-text {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 30px;
}

/* ========== Products Section - Clean Grid ========== */
.products-section {
    padding: 100px 0;
    background: var(--white);
}

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

.products-header .section-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-dark);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 15px;
}

.products-header h2 {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    color: var(--dark);
    line-height: 1.2;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.product-card {
    background: var(--gray);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid #e0e0e0;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.product-card-image {
    height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: #ffffff;
    overflow: hidden;
}

.product-card-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: var(--transition);
}

.product-card:hover .product-card-image img {
    transform: scale(1.08);
}

.product-card-content {
    padding: 25px 30px;
    background: var(--white);
}

.product-card-content h3 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 8px;
}

.product-card-content p {
    font-size: 14px;
    color: var(--gray-dark);
}

/* ========== Evolution Section ========== */
.evolution-section {
    padding: 100px 0;
    background: var(--primary);
    color: var(--white);
}

.evolution-header {
    margin-bottom: 50px;
}

.evolution-header .section-label {
    font-size: 14px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 15px;
}

.evolution-header h2 {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    line-height: 1.3;
}

.evolution-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--white);
    font-weight: 500;
    margin-top: 20px;
    transition: var(--transition);
}

.evolution-link:hover {
    gap: 15px;
}

.evolution-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.evolution-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.evolution-image img {
    width: 100%;
    height: 350px;
    object-fit: cover;
}

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

.evolution-feature {
    text-align: center;
    padding: 20px;
}

.evolution-feature-icon {
    width: 70px;
    height: 70px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: var(--transition);
}

.evolution-feature:hover .evolution-feature-icon {
    background: rgba(255, 255, 255, 0.25);
    transform: scale(1.1);
}

.evolution-feature-icon i {
    font-size: 28px;
    color: var(--white);
}

.evolution-feature h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.evolution-feature p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

/* ========== Global Expansion Section ========== */
.expansion-section {
    position: relative;
    min-height: 500px;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, rgba(26, 35, 126, 0.7), rgba(13, 20, 66, 0.8)),
        url('https://images.unsplash.com/photo-1504307651254-35680f356dfd?w=1920&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.expansion-content {
    max-width: 600px;
    color: var(--white);
    padding: 60px 0;
}

.expansion-content .section-label {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 15px;
    opacity: 0.9;
}

.expansion-content h2 {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 25px;
}

.expansion-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    opacity: 0.9;
}

/* ========== Global Trade Map Section ========== */
.trade-map-section {
    padding: 80px 0;
    background: linear-gradient(180deg, #1a237e 0%, #0d1442 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.trade-map-section h2 {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--white);
    margin-bottom: 50px;
    letter-spacing: 5px;
}

.trade-map-container {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: 40px;
}

.world-map {
    width: 100%;
    opacity: 0.3;
    filter: invert(1);
}

.trade-markers {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 80px 100px;
}

.trade-marker {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--white);
}

.trade-marker-dot {
    width: 20px;
    height: 20px;
    background: #4fc3f7;
    border-radius: 50%;
    position: relative;
    animation: pulse 2s infinite;
}

.trade-marker-dot::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    background: rgba(79, 195, 247, 0.3);
    border-radius: 50%;
    animation: pulse-ring 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.2);
    }
}

@keyframes pulse-ring {
    0% {
        transform: translate(-50%, -50%) scale(0.8);
        opacity: 1;
    }

    100% {
        transform: translate(-50%, -50%) scale(1.5);
        opacity: 0;
    }
}

.trade-marker span {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.trade-note {
    max-width: 800px;
    margin: 40px auto 0;
    padding: 25px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    color: rgba(255, 255, 255, 0.9);
    font-size: 14px;
    line-height: 1.7;
}

/* ========== Contact CTA Section ========== */
.contact-cta-section {
    padding: 60px 0;
    background: var(--white);
    border-top: 1px solid #e0e0e0;
}

.contact-cta-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
}

.contact-cta-text h3 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

.contact-cta-text p {
    color: var(--gray-dark);
}

.contact-cta-buttons {
    display: flex;
    gap: 15px;
}

.cta-icon-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--white);
    transition: var(--transition);
}

.cta-icon-btn.email {
    background: var(--primary);
}

.cta-icon-btn.whatsapp {
    background: #25D366;
}

.cta-icon-btn.phone {
    background: var(--accent);
}

.cta-icon-btn:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow);
}

/* ========== Section Styles ========== */
.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(26, 35, 126, 0.1);
    color: var(--primary);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 15px;
}

.section-title {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--dark);
}

.section-title-red {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 25px;
}

/* ========== Applications Section ========== */
.applications-section {
    padding: 100px 0;
    background: var(--gray);
}

.applications-desc {
    max-width: 900px;
    color: var(--gray-dark);
    margin-bottom: 30px;
    font-size: 16px;
    line-height: 1.7;
}

.video-container {
    margin-bottom: 50px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.video-container iframe {
    width: 100%;
    min-height: 450px;
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.application-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.application-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
}

.application-icon i {
    font-size: 32px;
    color: var(--white);
}

.application-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--dark);
}

.application-card p {
    color: var(--gray-dark);
    font-size: 15px;
}

/* ========== Parameters Section ========== */
.parameters-section {
    padding: 80px 0;
    background: var(--white);
}

.contact-info-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    margin-bottom: 40px;
    padding: 20px;
    background: var(--gray);
    border-radius: var(--radius);
}

.contact-info-bar .info-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--gray-dark);
}

.contact-info-bar .info-item i {
    color: var(--primary);
}

.table-subtitle {
    font-size: 18px;
    color: var(--dark);
    margin-bottom: 20px;
    margin-top: 20px;
}

.table-responsive {
    overflow-x: auto;
    margin-bottom: 30px;
}

.params-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    box-shadow: var(--shadow);
}

.params-table th,
.params-table td {
    padding: 14px 20px;
    text-align: left;
    border: 1px solid #e0e0e0;
    font-size: 14px;
}

.params-table thead th {
    background: var(--primary);
    color: var(--white);
    font-weight: 600;
}

.params-table tbody tr:hover {
    background: rgba(26, 35, 126, 0.05);
}

.params-table .section-header td {
    background: var(--gray);
    font-weight: 700;
    color: var(--dark);
}

/* ========== Configuration Section ========== */
.configuration-section {
    padding: 80px 0;
    background: var(--gray);
}

.config-note {
    margin-bottom: 15px;
    color: var(--dark);
}

.config-desc {
    color: var(--gray-dark);
    margin-bottom: 15px;
}

.config-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    box-shadow: var(--shadow);
}

.config-table th,
.config-table td {
    padding: 14px 20px;
    text-align: left;
    border: 1px solid #e0e0e0;
    font-size: 14px;
}

.config-table thead th {
    background: var(--primary);
    color: var(--white);
    font-weight: 600;
}

.config-table tbody tr:hover {
    background: rgba(26, 35, 126, 0.05);
}

/* ========== Technology Section ========== */
.technology-section {
    padding: 100px 0;
    background: var(--gray);
}

.tech-intro {
    max-width: 900px;
    color: var(--gray-dark);
    margin-bottom: 40px;
    line-height: 1.7;
}

.tech-diagram {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.tech-card {
    background: var(--white);
    padding: 30px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow);
}

.tech-badge {
    display: inline-block;
    background: var(--primary);
    color: var(--white);
    padding: 8px 20px;
    border-radius: var(--radius);
    font-weight: 700;
    font-size: 12px;
    margin-bottom: 10px;
}

.tech-card h3 {
    font-size: 16px;
    color: var(--dark);
    margin-bottom: 20px;
}

.layer-visual {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 15px;
}

.layer-visual .layer {
    padding: 15px;
    color: var(--white);
    font-size: 12px;
    font-weight: 600;
    border-radius: 4px;
}

.layer-colors {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
}

.color-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--gray-dark);
}

.color-box {
    width: 20px;
    height: 20px;
    border-radius: 4px;
}

.tech-image-container {
    margin-top: 40px;
    text-align: center;
}

.tech-image {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

/* ========== Service Section ========== */
.service-section {
    padding: 80px 0;
    background: var(--white);
}

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

.service-card {
    background: var(--gray);
    padding: 35px;
    border-radius: var(--radius-lg);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.service-icon i {
    font-size: 24px;
    color: var(--white);
}

.service-card h3 {
    font-size: 18px;
    color: var(--dark);
    margin-bottom: 15px;
}

.service-card p {
    color: var(--gray-dark);
    font-size: 14px;
    margin-bottom: 12px;
    line-height: 1.6;
}

/* ========== Quote Section ========== */
.quote-section {
    padding: 100px 0;
    background: var(--white);
}

.quote-intro {
    max-width: 600px;
    margin: 0 auto 30px;
    text-align: center;
    color: var(--gray-dark);
}

.quote-form {
    max-width: 800px;
    margin: 0 auto;
    background: var(--gray);
    padding: 50px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

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

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 18px;
    border: 2px solid #e0e0e0;
    border-radius: var(--radius);
    font-size: 15px;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.quote-form .btn {
    width: 100%;
    justify-content: center;
    margin-top: 20px;
}

/* ========== Contact Section ========== */
.contact-section {
    padding: 100px 0;
    background: var(--gray);
}

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

.contact-card {
    background: var(--white);
    padding: 35px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.contact-card:hover {
    transform: translateY(-5px);
}

.contact-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.contact-icon i {
    font-size: 28px;
    color: var(--white);
}

.contact-card h3 {
    font-size: 18px;
    margin-bottom: 12px;
    color: var(--dark);
}

.contact-card p {
    color: var(--gray-dark);
    font-size: 15px;
}

.whatsapp-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #25D366;
    color: var(--white);
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 600;
    margin-top: 15px;
    transition: var(--transition);
}

.whatsapp-btn:hover {
    background: #128C7E;
    transform: scale(1.05);
}

/* ========== Footer ========== */
.footer {
    background: var(--dark);
    padding: 80px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 50px;
    padding-bottom: 50px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    margin: 20px 0;
    max-width: 300px;
}

.footer-logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--white);
}

.footer-social {
    display: flex;
    gap: 15px;
    margin-top: 25px;
}

.footer-social a {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

.footer-links h4 {
    color: var(--white);
    font-size: 18px;
    margin-bottom: 25px;
}

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

.footer-links ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.footer-links ul li a:hover {
    color: var(--accent);
    padding-left: 5px;
}

.footer-bottom {
    padding: 25px 0;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

/* ========== Floating Buttons ========== */
.floating-buttons {
    position: fixed;
    bottom: 20px;
    right: 25px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 999;
}

.float-btn {
    width: 55px;
    height: 55px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: var(--white);
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.float-btn:hover {
    transform: scale(1.1);
}

.float-btn.whatsapp {
    background: #25D366;
}

.float-btn.phone {
    background: var(--primary);
}

.float-btn.scroll-top {
    background: var(--dark);
    opacity: 0;
    visibility: hidden;
}

.float-btn.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

/* ========== Animations ========== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

.application-card,
.contact-card,
.service-card,
.tech-card,
.product-card,
.evolution-feature {
    animation: fadeInUp 0.6s ease forwards;
}

/* ========== Responsive Design ========== */
@media (max-width: 992px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--white);
        flex-direction: column;
        padding: 40px 20px;
        transition: var(--transition);
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    }

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

    .nav-link {
        padding: 15px 20px;
        width: 100%;
        text-align: center;
        color: var(--dark);
    }

    .menu-toggle {
        display: flex;
    }

    .header-phone span {
        display: none;
    }

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

    .evolution-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .evolution-features {
        grid-template-columns: repeat(3, 1fr);
    }

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

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

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

    .trade-markers {
        padding: 40px 20px;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }

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

    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    .evolution-features {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    /* .expansion-content {
        text-align: center;
    } */

    .contact-cta-content {
        flex-direction: column;
        text-align: center;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .quote-form {
        padding: 30px 20px;
    }

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

    .footer-brand {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .footer-brand p {
        max-width: 100%;
    }

    .footer-social {
        justify-content: center;
    }

    .floating-buttons {
        bottom: 10px;
        right: 15px;
    }

    .float-btn {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }

    .contact-info-bar {
        flex-direction: column;
        gap: 15px;
    }

    .layer-colors {
        flex-direction: column;
        align-items: flex-start;
    }

    .trade-map-section h2 {
        font-size: 1.5rem;
        letter-spacing: 2px;
    }

    .trade-markers {
        position: relative;
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 30px;
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .section-title {
        font-size: 1.5rem;
    }

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

    .application-card,
    .contact-card {
        padding: 30px 20px;
    }

    .product-card-image {
        height: 200px;
    }

    .evolution-feature-icon {
        width: 60px;
        height: 60px;
    }

    .evolution-feature-icon i {
        font-size: 24px;
    }
}