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

:root {
    /* Premium Color Palette */
    --primary-color: #00A0E3;
    --primary-dark: #0077B6;
    --primary-light: #48CAE4;
    --secondary-color: #0088CC;
    --accent-color: #00A0E3;
    --accent-gradient: linear-gradient(135deg, #00A0E3 0%, #0077B6 50%, #023E8A 100%);
    --premium-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gold-accent: #FFD700;
    --gray-color: #A8A8A8;
    --text-dark: #0A1128;
    --text-light: #6b7280;
    --text-muted: #9CA3AF;
    --bg-light: #F8FAFC;
    --bg-white: #ffffff;
    --bg-dark: #0A1128;

    /* Premium Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 160, 227, 0.08);
    --shadow: 0 4px 6px -1px rgba(0, 160, 227, 0.1), 0 2px 4px -1px rgba(0, 160, 227, 0.06);
    --shadow-lg: 0 20px 25px -5px rgba(0, 160, 227, 0.15), 0 10px 10px -5px rgba(0, 160, 227, 0.08);
    --shadow-xl: 0 25px 50px -12px rgba(0, 160, 227, 0.25);
    --shadow-glow: 0 0 30px rgba(0, 160, 227, 0.3);

    /* Glass Effect */
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);

    /* Animations */
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    box-shadow: 0 4px 30px rgba(0, 160, 227, 0.08);
    border-bottom: 1px solid rgba(0, 160, 227, 0.1);
    z-index: 1000;
    transition: var(--transition-smooth);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-lg);
    padding: 0.5rem 0;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    gap: 3rem;
}

.logo {
    flex-shrink: 0;
}

.logo img {
    height: 15px;
    width: auto;
    display: block;
}

.logo h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: -0.5px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition-base);
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: var(--accent-gradient);
    border-radius: 10px;
    transition: var(--transition-base);
}

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

.nav-link:hover::before,
.nav-link.active::before {
    width: 100%;
}

.nav-link::after {
    content: '';
    position: absolute;
    inset: -8px;
    border-radius: 8px;
    background: var(--accent-gradient);
    opacity: 0;
    z-index: -1;
    transition: var(--transition-base);
}

.nav-link:hover::after {
    opacity: 0.1;
}

.lang-toggle {
    padding: 0.6rem 1.4rem;
    background: var(--accent-gradient);
    color: white;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 700;
    font-size: 0.875rem;
    letter-spacing: 0.5px;
    transition: var(--transition-base);
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.lang-toggle::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

.lang-toggle:hover::before {
    left: 100%;
}

.lang-toggle:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.lang-toggle:active {
    transform: translateY(0);
}

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

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    transition: all 0.3s ease;
}

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

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transform: scale(1.05);
    animation: kenBurns 20s ease-in-out infinite alternate;
}

@keyframes kenBurns {
    0% { transform: scale(1.05) translateX(0); }
    50% { transform: scale(1.1) translateX(-2%); }
    100% { transform: scale(1.05) translateX(0); }
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg,
        rgba(0, 160, 227, 0.9) 0%,
        rgba(0, 119, 182, 0.88) 25%,
        rgba(2, 62, 138, 0.92) 50%,
        rgba(0, 119, 182, 0.88) 75%,
        rgba(0, 160, 227, 0.9) 100%);
    background-size: 200% 200%;
    animation: gradientShift 15s ease infinite;
    z-index: 1;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 50%, rgba(255,255,255,0.08) 0%, transparent 50%);
    z-index: 2;
    animation: pulseOverlay 8s ease-in-out infinite;
}

@keyframes pulseOverlay {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: white;
    max-width: 900px;
    padding: 0 20px;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.15;
    animation: fadeInUp 0.8s ease both;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3),
                 0 0 40px rgba(255, 255, 255, 0.1);
    letter-spacing: -1px;
    background: linear-gradient(to right, #ffffff 0%, #e0f7ff 50%, #ffffff 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 0.8s ease both, shimmer 3s linear infinite;
}

@keyframes shimmer {
    0% { background-position: 0% center; }
    100% { background-position: 200% center; }
}

.hero-subtitle {
    font-size: 1.35rem;
    margin-bottom: 3rem;
    opacity: 0.98;
    line-height: 1.8;
    animation: fadeInUp 0.8s ease 0.2s both;
    text-shadow: 0 2px 15px rgba(0, 0, 0, 0.3);
    font-weight: 400;
    letter-spacing: 0.3px;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    animation: fadeInUp 0.8s ease 0.4s both;
    flex-wrap: wrap;
}

/* Premium Buttons */
.btn {
    display: inline-block;
    padding: 1.1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.05rem;
    transition: var(--transition-base);
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    font-size: 0.95rem;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: white;
    color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(255, 255, 255, 0.4);
}

.btn-primary:active {
    transform: translateY(-1px);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
}

.btn-secondary::after {
    content: '';
    position: absolute;
    inset: 0;
    background: white;
    opacity: 0;
    transition: var(--transition-base);
    border-radius: 50px;
}

.btn-secondary:hover {
    color: var(--primary-color);
    border-color: white;
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover::after {
    opacity: 1;
}

.btn-secondary span {
    position: relative;
    z-index: 1;
}

/* Sections */
section {
    padding: 5rem 0;
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* Product Section */
.product-section {
    background-color: var(--bg-light);
}

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

.product-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow);
    transition: var(--transition-smooth);
    text-align: center;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0, 160, 227, 0.1);
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 160, 227, 0.05), transparent);
    transition: left 0.5s;
}

.product-card:hover::before {
    left: 100%;
}

.product-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 20px;
    padding: 2px;
    background: var(--accent-gradient);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: var(--transition-base);
}

.product-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.product-card:hover::after {
    opacity: 1;
}

.product-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    padding: 1rem;
    background: var(--accent-gradient);
    border-radius: 20px;
    transition: var(--transition-base);
    filter: drop-shadow(0 4px 10px rgba(0, 160, 227, 0.3));
}

.product-card:hover .product-icon {
    transform: rotateY(360deg) scale(1.1);
    filter: drop-shadow(0 6px 15px rgba(0, 160, 227, 0.5));
}

.product-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
}

.product-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Features Section */
.features-section {
    background-color: var(--bg-white);
}

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

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

.feature-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
}

.feature-text h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.feature-text p {
    color: var(--text-light);
    line-height: 1.6;
}

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

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

.application-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
}

.application-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-base);
}

.application-card:hover::before {
    transform: scaleX(1);
}

.application-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(0, 160, 227, 0.2);
}

.application-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    transition: var(--transition-base);
    filter: grayscale(0.3);
}

.application-card:hover .application-icon {
    transform: scale(1.2) rotate(10deg);
    filter: grayscale(0);
}

.application-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
}

.application-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Gallery Section */
.gallery-section {
    background-color: var(--bg-white);
    padding: 5rem 0;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 20px;
    box-shadow: var(--shadow);
    cursor: pointer;
    aspect-ratio: 16/10;
    transition: var(--transition-smooth);
    border: 2px solid transparent;
}

.gallery-item::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--accent-gradient);
    opacity: 0;
    transition: var(--transition-base);
    z-index: 2;
    mix-blend-mode: overlay;
}

.gallery-item:hover::before {
    opacity: 0.3;
}

.gallery-item::after {
    content: '🔍';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    font-size: 3rem;
    z-index: 3;
    transition: var(--transition-base);
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.gallery-item:hover::after {
    transform: translate(-50%, -50%) scale(1);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.gallery-item:hover img {
    transform: scale(1.15) rotate(2deg);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    padding: 2rem 1.5rem 1.5rem;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

.gallery-overlay p {
    color: white;
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0;
}

/* Stats Section - Premium Design */
.stats-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
}

.stats-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: backgroundScroll 20s linear infinite;
    opacity: 0.3;
}

@keyframes backgroundScroll {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    text-align: center;
    position: relative;
    z-index: 1;
}

.stat-item {
    padding: 2rem;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition-base);
}

.stat-item:hover {
    transform: translateY(-10px) scale(1.05);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.stat-number {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    background: linear-gradient(to bottom, #ffffff 0%, rgba(255,255,255,0.8) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.stat-label {
    font-size: 1.125rem;
    opacity: 0.95;
    font-weight: 600;
    letter-spacing: 0.5px;
}

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

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    display: grid;
    gap: 1.5rem;
}

.form-group {
    position: relative;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
    background-color: white;
}

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

.form-group label {
    position: absolute;
    left: 1rem;
    top: 1rem;
    color: var(--text-light);
    transition: all 0.3s ease;
    pointer-events: none;
    background-color: white;
    padding: 0 0.25rem;
}

.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -0.5rem;
    font-size: 0.875rem;
    color: var(--primary-color);
}

.contact-form button {
    width: 100%;
}

.contact-info {
    display: none;
}

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

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

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

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

.contact-info-item a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-info-item a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

/* Technical Specifications Section */
.specs-section {
    background-color: var(--bg-light);
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.spec-category {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.spec-category h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--primary-color);
}

.spec-category ul {
    list-style: none;
}

.spec-category li {
    padding: 0.75rem 0;
    border-bottom: 1px solid #e5e7eb;
    color: var(--text-dark);
}

.spec-category li:last-child {
    border-bottom: none;
}

.spec-category li span {
    font-weight: 600;
    color: var(--text-dark);
}

/* FAQ Section */
.faq-section {
    background-color: var(--bg-white);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 1rem;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.faq-question {
    width: 100%;
    padding: 1.5rem;
    background-color: white;
    border: none;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-dark);
    transition: all 0.3s ease;
}

.faq-question:hover {
    background-color: var(--bg-light);
}

.faq-question.active {
    background-color: var(--primary-color);
    color: white;
}

.faq-icon {
    font-size: 1.5rem;
    font-weight: 300;
    transition: transform 0.3s ease;
}

.faq-question.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    background-color: white;
}

.faq-answer.active {
    max-height: 500px;
    padding: 1.5rem;
}

.faq-answer p {
    color: var(--text-light);
    line-height: 1.8;
    margin: 0;
}

/* Premium WhatsApp Button */
.whatsapp-button {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: white;
    width: 65px;
    height: 65px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
    cursor: pointer;
    transition: var(--transition-base);
    z-index: 999;
    text-decoration: none;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 8px 35px rgba(37, 211, 102, 0.6),
                    0 0 0 15px rgba(37, 211, 102, 0.1);
    }
}

.whatsapp-button:hover {
    transform: scale(1.15) rotate(10deg);
    box-shadow: 0 12px 40px rgba(37, 211, 102, 0.7);
    animation: none;
}

/* Premium Scroll to Top Button */
.scroll-top-button {
    position: fixed;
    bottom: 110px;
    right: 30px;
    background: var(--accent-gradient);
    color: white;
    width: 55px;
    height: 55px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.3);
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition-base);
    z-index: 998;
    box-shadow: 0 8px 25px rgba(0, 160, 227, 0.4);
    backdrop-filter: blur(10px);
}

.scroll-top-button.show {
    display: flex;
    animation: slideInRight 0.5s ease;
}

@keyframes slideInRight {
    from {
        transform: translateX(100px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.scroll-top-button:hover {
    transform: translateY(-8px) scale(1.1);
    box-shadow: 0 15px 40px rgba(0, 160, 227, 0.6);
    border-color: rgba(255, 255, 255, 0.5);
}

.scroll-top-button:active {
    transform: translateY(-5px) scale(1.05);
}

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

.about-text {
    max-width: 900px;
    margin: 0 auto;
}

.about-text h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    text-align: center;
}

.about-text > p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 3rem;
    text-align: center;
}

.about-values {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.value-item {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
}

.value-item h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.value-item p {
    color: var(--text-light);
    line-height: 1.8;
}

/* Social Media Icons */
.social-media {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: rgba(255, 255, 255, 0.8);
    transition: all 0.3s ease;
}

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

/* Footer */
.footer {
    background-color: var(--text-dark);
    color: white;
    padding: 3rem 0 1rem;
}

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

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

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

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

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        background-color: white;
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow-lg);
        transition: left 0.3s ease;
        align-items: flex-start;
    }

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

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

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

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

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

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

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

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

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }

    .stat-number {
        font-size: 2.5rem;
    }

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

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

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

    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.9375rem;
    }

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

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Loading Animation */
.loading {
    opacity: 0;
    animation: fadeIn 0.6s ease forwards;
}

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

/* Premium Lightbox Gallery */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-smooth);
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.lightbox-content {
    position: relative;
    z-index: 1;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-image {
    max-width: 100%;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 12px;
    box-shadow: 0 25px 100px rgba(0, 160, 227, 0.3);
    transition: opacity 0.3s ease;
}

.lightbox-close {
    position: absolute;
    top: -50px;
    right: 0;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    color: white;
    font-size: 2.5rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
    line-height: 1;
}

.lightbox-close:hover {
    background: var(--accent-gradient);
    border-color: var(--primary-color);
    transform: rotate(90deg) scale(1.1);
}

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    color: white;
    font-size: 2rem;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
}

.lightbox-prev:hover,
.lightbox-next:hover {
    background: var(--accent-gradient);
    border-color: var(--primary-color);
    transform: translateY(-50%) scale(1.1);
}

.lightbox-prev {
    left: 20px;
}

.lightbox-next {
    right: 20px;
}

.lightbox-counter {
    position: absolute;
    bottom: -50px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 1px;
}

@media (max-width: 768px) {
    .lightbox-prev,
    .lightbox-next {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }

    .lightbox-prev {
        left: 10px;
    }

    .lightbox-next {
        right: 10px;
    }

    .lightbox-close {
        top: 10px;
        right: 10px;
        width: 45px;
        height: 45px;
        font-size: 2rem;
    }

    .lightbox-counter {
        bottom: 10px;
        font-size: 0.85rem;
        padding: 0.5rem 1rem;
    }
}

/* Premium Notification System */
.notification {
    position: fixed;
    top: 100px;
    right: 30px;
    z-index: 10000;
    max-width: 450px;
    opacity: 0;
    transform: translateX(400px);
    transition: var(--transition-smooth);
}

.notification.show {
    opacity: 1;
    transform: translateX(0);
}

.notification-content {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    padding: 1.5rem 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 1rem;
    border-left: 4px solid var(--primary-color);
}

.notification.success .notification-content {
    border-left-color: #10B981;
}

.notification.error .notification-content {
    border-left-color: #EF4444;
}

.notification-content p {
    margin: 0;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.95rem;
    flex: 1;
    line-height: 1.6;
}

.notification-close {
    background: transparent;
    border: none;
    color: var(--text-light);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
    flex-shrink: 0;
}

.notification-close:hover {
    background: rgba(0, 0, 0, 0.05);
    color: var(--text-dark);
}

@media (max-width: 768px) {
    .notification {
        right: 15px;
        left: 15px;
        max-width: none;
    }

    .notification-content {
        padding: 1.25rem 1.5rem;
    }
}