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

/* Mobile-first responsive design improvements */
html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #2c3e50;
    overflow-x: hidden;
    background: linear-gradient(135deg, #f8fcff 0%, #e8f8ff 100%);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Touch optimization */
button, a, input, textarea, select {
    -webkit-tap-highlight-color: rgba(52, 152, 219, 0.2);
    -webkit-touch-callout: none;
    touch-action: manipulation;
}

/* Improved focus states for accessibility */
button:focus, a:focus, input:focus, textarea:focus, select:focus {
    outline: 2px solid #3498db;
    outline-offset: 2px;
}

/* Remove default button appearance on iOS */
button, input[type="submit"], input[type="button"] {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(135deg, #ffffff 0%, #f0f8ff 100%);
    backdrop-filter: blur(15px);
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(52, 152, 219, 0.1);
    box-shadow: 0 2px 20px rgba(52, 152, 219, 0.08);
}

.navbar {
    padding: 1rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
    transition: all 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

.logo-img {
    height: 55px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 2px 8px rgba(52, 152, 219, 0.15));
    transition: all 0.3s ease;
    background: transparent;
}

.logo-img:hover {
    filter: drop-shadow(0 4px 12px rgba(52, 152, 219, 0.25));
    transform: scale(1.02);
}

.logo-text h1 {
    color: #2980b9;
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 0;
}

.logo-text span {
    color: #5dade2;
    font-size: 0.8rem;
    font-weight: 300;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: #34495e;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    transition: width 0.3s ease;
}

.nav-menu a:hover {
    color: #2980b9;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: #34495e;
    margin: 3px 0;
    transition: 0.3s;
}

/* Section Title */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    border-radius: 2px;
}

/* Products Section */
.products {
    padding: 8rem 0 5rem 0;
    background: linear-gradient(135deg, #f8fcff 0%, #e8f8ff 100%);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.product-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8fcff 100%);
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(52, 152, 219, 0.15);
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
    border: 1px solid rgba(52, 152, 219, 0.08);
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(52, 152, 219, 0.25);
    border-color: rgba(52, 152, 219, 0.2);
}

.product-image {
    width: 100%;
    aspect-ratio: 1 / 1;
    position: relative;
    overflow: hidden;
    border-radius: 20px 20px 0 0;
    background: linear-gradient(135deg, #ffffff 0%, #f0f8ff 100%);
    flex-shrink: 0;
}

/* pH Filtre Hediye Badge */
.product-badge {
    position: absolute;
    bottom: 15px;
    left: 15px;
    background: linear-gradient(135deg, #3498db 0%, #2980b9 50%, #1abc9c 100%);
    color: white;
    padding: 12px 16px;
    border-radius: 25px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    z-index: 10;
    box-shadow: 
        0 8px 25px rgba(52, 152, 219, 0.4),
        0 0 20px rgba(52, 152, 219, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
    animation: badge-glow 3s ease-in-out infinite;
    border: 2px solid rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    gap: 6px;
    transform: rotate(-3deg);
    transition: all 0.3s ease;
}

.product-badge::before {
    content: '🎁';
    font-size: 1rem;
    animation: bounce-icon 2s ease-in-out infinite;
}

.product-badge:hover {
    transform: rotate(0deg) scale(1.1);
    box-shadow: 
        0 12px 35px rgba(52, 152, 219, 0.6),
        0 0 30px rgba(52, 152, 219, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

@keyframes badge-glow {
    0%, 100% {
        box-shadow: 
            0 8px 25px rgba(52, 152, 219, 0.4),
            0 0 20px rgba(52, 152, 219, 0.3),
            inset 0 1px 0 rgba(255, 255, 255, 0.3);
    }
    50% {
        box-shadow: 
            0 12px 35px rgba(52, 152, 219, 0.6),
            0 0 30px rgba(52, 152, 219, 0.5),
            inset 0 1px 0 rgba(255, 255, 255, 0.4);
    }
}

@keyframes bounce-icon {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-3px);
    }
    60% {
        transform: translateY(-2px);
    }
}

/* Remove gradient backgrounds */
.product-image-blue,
.product-image-red {
    background: linear-gradient(135deg, #ffffff 0%, #f0f8ff 100%);
}

.product-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    border-radius: 0;
    transition: transform 0.3s ease;
    box-shadow: none;
    background: white;
    display: block;
    margin: 0;
}

.product-card:hover .product-img {
    transform: scale(1.02);
    box-shadow: none;
}

.product-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    padding: 20px;
}

.product-device {
    width: 120px;
    height: 180px;
    background: rgba(52, 152, 219, 0.1);
    border-radius: 15px;
    border: 3px solid rgba(52, 152, 219, 0.3);
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease;
    position: relative;
    overflow: hidden;
    animation: float-device 4s ease-in-out infinite;
}

.product-card:hover .product-device {
    transform: scale(1.05) rotate(-2deg);
}

.device-top {
    height: 60%;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 12px 12px 0 0;
    margin: 3px 3px 0 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.device-body {
    height: 40%;
    background: linear-gradient(135deg, #2980b9 0%, #3498db 100%);
    border-radius: 0 0 12px 12px;
    margin: 0 3px 3px 3px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
}

.device-logo {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.5rem;
    margin-bottom: 5px;
}

.device-brand {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.7rem;
    font-weight: bold;
    text-align: center;
    line-height: 1;
}

/* Animation for product device */
@keyframes float-device {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(1deg); }
}

.product-content {
    padding: 2rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.product-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.product-subtitle {
    color: #5dade2;
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.product-features {
    list-style: none;
    margin-bottom: 2rem;
    flex-grow: 1;
}

.product-features li {
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.product-features i {
    color: #1abc9c;
    font-size: 0.9rem;
}

.product-specs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1rem;
    background: linear-gradient(135deg, #f8fcff 0%, #e8f8ff 100%);
    border-radius: 10px;
    border: 1px solid rgba(52, 152, 219, 0.1);
}

.spec-label {
    display: block;
    color: #5dade2;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.spec-value {
    font-weight: 600;
    color: #2c3e50;
    font-size: 1.1rem;
}

.product-btn {
    width: 100%;
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: white;
    border: none;
    padding: 1rem;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
}

.product-btn:hover {
    background: linear-gradient(135deg, #2980b9 0%, #1abc9c 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(52, 152, 219, 0.4);
}

/* Why Us Section */
.why-us {
    padding: 5rem 0;
    background: linear-gradient(135deg, #ffffff 0%, #f8fcff 100%);
}

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

.benefit-card {
    text-align: center;
    padding: 2rem;
    border-radius: 15px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #ffffff 0%, #f8fcff 100%);
    border: 1px solid rgba(52, 152, 219, 0.08);
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.1) 0%, rgba(26, 188, 156, 0.1) 100%);
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.benefit-card:hover::before {
    transform: translateY(0);
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(52, 152, 219, 0.15);
    border-color: rgba(52, 152, 219, 0.2);
}

.benefit-icon {
    position: relative;
    z-index: 2;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
    box-shadow: 0 8px 25px rgba(52, 152, 219, 0.3);
}

.benefit-card h3 {
    position: relative;
    z-index: 2;
    font-size: 1.3rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.benefit-card p {
    position: relative;
    z-index: 2;
    color: #5dade2;
    line-height: 1.6;
}

/* About Section */
.about {
    padding: 5rem 0;
    background: linear-gradient(135deg, #f8fcff 0%, #e8f8ff 100%);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 2rem;
}

.about-text p {
    color: #5dade2;
    margin-bottom: 1.5rem;
    line-height: 1.8;
    font-weight: 500;
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
    align-items: stretch;
}

.stat {
    text-align: center;
    padding: 2rem 1.5rem;
    background: linear-gradient(135deg, #ffffff 0%, #f8fcff 100%);
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(52, 152, 219, 0.1);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 120px;
    border: 1px solid rgba(52, 152, 219, 0.08);
    transition: all 0.3s ease;
}

.stat:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(52, 152, 219, 0.15);
    border-color: rgba(52, 152, 219, 0.2);
}

.stat h3 {
    font-size: 2rem;
    font-weight: 700;
    color: #2980b9;
    margin-bottom: 0.8rem;
    font-family: 'Poppins', sans-serif;
    line-height: 1.2;
}

.stat h3.year-since {
    font-size: 1.6rem;
    line-height: 1.3;
}

.stat p {
    color: #5dade2;
    font-weight: 500;
    margin: 0;
    line-height: 1.4;
}

.about-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.about-images-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    width: 100%;
    max-width: 400px;
}

.about-img-main,
.about-img-secondary {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    object-position: center;
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(52, 152, 219, 0.1);
    transition: transform 0.3s ease;
    border: 1px solid rgba(52, 152, 219, 0.08);
}

.about-img-main:hover,
.about-img-secondary:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(52, 152, 219, 0.15);
}

.about-placeholder {
    height: 200px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease;
    box-shadow: 0 10px 25px rgba(52, 152, 219, 0.1);
}

.family-placeholder {
    background: linear-gradient(135deg, #e8f8ff 0%, #d6efff 100%);
}

.installation-placeholder {
    background: linear-gradient(135deg, #f0f8ff 0%, #e0f2ff 100%);
}

.placeholder-content {
    text-align: center;
    color: #2c3e50;
}

.placeholder-content i {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
    opacity: 0.8;
    color: #3498db;
}

.placeholder-content span {
    font-size: 1.1rem;
    font-weight: 600;
    display: block;
}

.about-placeholder:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(52, 152, 219, 0.15);
}

/* Contact Section */
.contact {
    padding: 5rem 0;
    background: linear-gradient(135deg, #ffffff 0%, #f8fcff 100%);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 3rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, #f8fcff 0%, #e8f8ff 100%);
    border-radius: 15px;
    transition: all 0.3s ease;
    border: 1px solid rgba(52, 152, 219, 0.08);
}

.contact-item:hover {
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.1) 0%, rgba(26, 188, 156, 0.1) 100%);
    transform: translateX(5px);
    border-color: rgba(52, 152, 219, 0.2);
}

.contact-item i {
    font-size: 1.5rem;
    color: #2980b9;
    width: 40px;
    text-align: center;
}

.contact-item h3 {
    color: #2c3e50;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.contact-item p {
    color: #5dade2;
    font-weight: 500;
}

.contact-item p a {
    color: #2980b9;
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-item p a:hover {
    color: #3498db;
    text-decoration: underline;
}

.contact-form {
    background: linear-gradient(135deg, #f8fcff 0%, #e8f8ff 100%);
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid rgba(52, 152, 219, 0.08);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid rgba(52, 152, 219, 0.2);
    border-radius: 10px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    background: rgba(255, 255, 255, 0.8);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2980b9;
    background: white;
}

.submit-btn {
    width: 100%;
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: white;
    border: none;
    padding: 1rem;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(52, 152, 219, 0.4);
    background: linear-gradient(135deg, #2980b9 0%, #1abc9c 100%);
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 50%, #2980b9 100%);
    color: white;
    padding: 3rem 0 1rem;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, #3498db 50%, transparent 100%);
}

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

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: #ecf0f1;
    position: relative;
}

.footer-section h3::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 40px;
    height: 2px;
    background: linear-gradient(135deg, #3498db 0%, #1abc9c 100%);
    border-radius: 1px;
}

.footer-section p {
    color: #bdc3c7;
    line-height: 1.6;
    margin-bottom: 1rem;
    transition: color 0.3s ease;
}

.footer-section p:hover {
    color: #ecf0f1;
}

.footer-section p a {
    color: #5dade2;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}

.footer-section p a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: #3498db;
    transition: width 0.3s ease;
}

.footer-section p a:hover {
    color: #3498db;
}

.footer-section p a:hover::after {
    width: 100%;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
    transition: transform 0.2s ease;
}

.footer-section ul li:hover {
    transform: translateX(5px);
}

.footer-section ul li a {
    color: #bdc3c7;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    display: inline-block;
}

.footer-section ul li a::before {
    content: '▶';
    position: absolute;
    left: -15px;
    color: #3498db;
    font-size: 0.7rem;
    opacity: 0;
    transition: all 0.3s ease;
}

.footer-section ul li a:hover {
    color: #5dade2;
    padding-left: 20px;
}

.footer-section ul li a:hover::before {
    opacity: 1;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: white;
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
    position: relative;
    overflow: hidden;
}

.social-links a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #1abc9c 0%, #16a085 100%);
    transform: scale(0);
    transition: transform 0.3s ease;
    border-radius: 50%;
}

.social-links a:hover::before {
    transform: scale(1);
}

.social-links a:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(52, 152, 219, 0.4);
}

.social-links a i {
    position: relative;
    z-index: 1;
    transition: transform 0.3s ease;
}

.social-links a:hover i {
    transform: scale(1.1);
}

.footer-bottom {
    border-top: 1px solid rgba(52, 152, 219, 0.3);
    padding-top: 1rem;
    text-align: center;
    color: #bdc3c7;
    position: relative;
    z-index: 1;
}

.footer-bottom::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, #3498db 50%, transparent 100%);
    margin-top: -1px;
}

.footer-bottom p {
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

.footer-bottom a {
    color: #5dade2;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}

.footer-bottom a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: #3498db;
    transition: width 0.3s ease;
}

.footer-bottom a:hover {
    color: #3498db;
}

.footer-bottom a:hover::after {
    width: 100%;
}

/* Product Price Styles */
.product-price {
    padding: 25px 20px;
    text-align: center;
    border-top: 1px solid rgba(52, 152, 219, 0.1);
    background: linear-gradient(135deg, #f8fcff 0%, #e8f8ff 100%);
    margin-top: auto;
}

.price-btn {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: white;
    border: none;
    padding: 15px 35px;
    font-size: 1.2rem;
    font-weight: 700;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
    text-transform: none;
    letter-spacing: 0.5px;
    width: 100%;
    max-width: 220px;
    margin: 0 auto;
    display: block;
}

.price-btn:hover {
    background: linear-gradient(135deg, #2980b9 0%, #1abc9c 100%);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(52, 152, 219, 0.4);
}

.price-btn:active {
    transform: translateY(-1px);
    box-shadow: 0 3px 10px rgba(52, 152, 219, 0.3);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: linear-gradient(135deg, #ffffff 0%, #f8fcff 100%);
        width: 100%;
        text-align: center;
        transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        box-shadow: 0 10px 27px rgba(52, 152, 219, 0.15);
        padding: 2rem 0;
        border-bottom: 1px solid rgba(52, 152, 219, 0.1);
        backdrop-filter: blur(10px);
        z-index: 999;
    }

    .nav-menu li {
        margin: 0.5rem 0;
        opacity: 0;
        transform: translateX(-20px);
        transition: all 0.3s ease;
    }

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

    .nav-menu.active li {
        opacity: 1;
        transform: translateX(0);
    }

    .nav-menu.active li:nth-child(1) { transition-delay: 0.1s; }
    .nav-menu.active li:nth-child(2) { transition-delay: 0.2s; }
    .nav-menu.active li:nth-child(3) { transition-delay: 0.3s; }
    .nav-menu.active li:nth-child(4) { transition-delay: 0.4s; }

    .nav-menu a {
        padding: 1rem 2rem;
        display: block;
        border-radius: 10px;
        margin: 0 1rem;
        transition: all 0.3s ease;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.1rem;
    }

    .nav-menu a:hover {
        background: linear-gradient(135deg, rgba(52, 152, 219, 0.1) 0%, rgba(26, 188, 156, 0.1) 100%);
        transform: translateY(-2px);
    }

    .hamburger {
        display: flex;
        flex-direction: column;
        cursor: pointer;
        padding: 5px;
        border-radius: 5px;
        transition: all 0.3s ease;
        z-index: 1001;
    }

    .hamburger:hover {
        background: rgba(52, 152, 219, 0.1);
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
        transform: translateX(20px);
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
        background: #2980b9;
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
        background: #2980b9;
    }

    .hamburger:hover .bar {
        background: #2980b9;
    }

    .hamburger.active .bar {
        transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }

    .products {
        padding: 6rem 0 5rem 0;
    }

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

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

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

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

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

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

    .product-img {
        width: 100%;
        height: 100%;
    }

    .slider-btn {
        width: 35px;
        height: 35px;
        background: rgba(255, 255, 255, 0.95);
        box-shadow: 0 4px 15px rgba(52, 152, 219, 0.2);
    }
    
    .slider-btn:hover {
        background: white;
        box-shadow: 0 6px 20px rgba(52, 152, 219, 0.3);
    }
    
    .prev-btn {
        left: 10px;
    }
    
    .next-btn {
        right: 10px;
    }

    .slider-btn i {
        font-size: 0.8rem;
        color: #2980b9;
    }

    .dot {
        width: 10px;
        height: 10px;
        background: rgba(52, 152, 219, 0.4);
        border: 2px solid rgba(255, 255, 255, 0.9);
    }

    .dot:hover,
    .dot.active {
        background: #3498db;
        box-shadow: 0 2px 8px rgba(52, 152, 219, 0.4);
    }

    .logo-img {
        height: 38px;
    }
    
    .logo-text h1 {
        font-size: 1.6rem;
        color: #2980b9;
    }
    
    .logo-text span {
        font-size: 0.8rem;
        color: #5dade2;
    }

    .scroll-to-top {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    /* Typography improvements for small screens */
    .section-title {
        font-size: 2rem;
        color: #2c3e50;
        margin-bottom: 2rem;
        padding: 0 10px;
    }

    .section-title::after {
        background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
        width: 50px;
    }

    .container {
        padding: 0 15px;
    }

    /* Header improvements */
    .navbar {
        padding: 0.8rem 0;
    }

    .nav-container {
        padding: 0 15px;
    }

    .logo-img {
        height: 36px;
        filter: drop-shadow(0 1px 4px rgba(52, 152, 219, 0.1));
    }
    
    .logo-text h1 {
        font-size: 1.4rem;
        color: #2980b9;
    }
    
    .logo-text span {
        font-size: 0.7rem;
        color: #5dade2;
    }

    /* Products section */
    .products {
        padding: 5rem 0 4rem 0;
    }

    .products-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 0 5px;
    }

    .product-card {
        margin: 0;
        box-shadow: 0 10px 25px rgba(52, 152, 219, 0.1);
        border: 1px solid rgba(52, 152, 219, 0.05);
        border-radius: 15px;
    }

    .product-content {
        padding: 1.2rem;
    }

    .product-content h3 {
        font-size: 1.2rem;
        margin-bottom: 0.6rem;
    }

    .product-subtitle {
        font-size: 0.85rem;
        margin-bottom: 1rem;
    }

    .product-features li {
        padding: 0.3rem 0;
        font-size: 0.9rem;
    }

    .product-features li {
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }

    .product-features i {
        color: #1abc9c;
        font-size: 0.8rem;
        min-width: 16px;
    }

    .product-specs {
        grid-template-columns: 1fr 1fr;
        gap: 0.6rem;
        padding: 0.8rem;
        margin-bottom: 1.5rem;
    }

    .spec-label {
        font-size: 0.8rem;
        margin-bottom: 0.3rem;
    }

    .spec-value {
        font-size: 0.95rem;
    }
    
    .product-device {
        width: 100px;
        height: 150px;
        background: rgba(52, 152, 219, 0.08);
        border: 3px solid rgba(52, 152, 219, 0.2);
    }
    
    .device-brand {
        font-size: 0.6rem;
    }
    
    .device-logo {
        font-size: 1.2rem;
    }

    .product-badge {
        padding: 10px 14px;
        font-size: 0.7rem;
        bottom: 12px;
        left: 12px;
        border-radius: 20px;
    }

    .product-badge::before {
        font-size: 0.9rem;
    }

    /* Benefits section */
    .benefits-grid {
        padding: 0 5px;
        gap: 1.2rem;
    }

    .benefit-card {
        text-align: center;
        padding: 1.2rem;
        border-radius: 15px;
        transition: all 0.3s ease;
        position: relative;
        overflow: hidden;
        background: linear-gradient(135deg, #ffffff 0%, #f8fcff 100%);
        border: 1px solid rgba(52, 152, 219, 0.08);
    }

    .benefit-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(135deg, rgba(52, 152, 219, 0.1) 0%, rgba(26, 188, 156, 0.1) 100%);
        transform: translateY(100%);
        transition: transform 0.3s ease;
    }

    .benefit-card:hover::before {
        transform: translateY(0);
    }

    .benefit-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 15px 35px rgba(52, 152, 219, 0.15);
        border-color: rgba(52, 152, 219, 0.2);
    }

    .benefit-icon {
        position: relative;
        z-index: 2;
        width: 70px;
        height: 70px;
        background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto 1rem;
        color: white;
        font-size: 1.8rem;
        box-shadow: 0 6px 20px rgba(52, 152, 219, 0.25);
    }

    .benefit-card h3 {
        position: relative;
        z-index: 2;
        font-size: 1.1rem;
        font-weight: 600;
        color: #2c3e50;
        margin-bottom: 0.8rem;
    }

    .benefit-card p {
        position: relative;
        z-index: 2;
        color: #5dade2;
        line-height: 1.5;
        font-size: 0.9rem;
    }

    /* About section */
    .about-text h2 {
        font-size: 1.8rem;
        margin-bottom: 1.2rem;
    }

    .about-text p {
        font-size: 0.9rem;
        margin-bottom: 1rem;
    }

    .stats {
        margin-top: 1.5rem;
        gap: 1.2rem;
    }

    .stat {
        padding: 1.2rem 0.8rem;
        min-height: 90px;
        text-align: center;
        background: linear-gradient(135deg, #ffffff 0%, #f8fcff 100%);
        border-radius: 15px;
        box-shadow: 0 10px 25px rgba(52, 152, 219, 0.1);
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        border: 1px solid rgba(52, 152, 219, 0.08);
        transition: all 0.3s ease;
    }

    .stat:hover {
        transform: translateY(-5px);
        box-shadow: 0 15px 35px rgba(52, 152, 219, 0.15);
        border-color: rgba(52, 152, 219, 0.2);
    }

    .stat h3 {
        font-size: 1.6rem;
        font-weight: 700;
        color: #2980b9;
        margin-bottom: 0.5rem;
        font-family: 'Poppins', sans-serif;
        line-height: 1.2;
    }

    .stat h3.year-since {
        font-size: 1.3rem;
        line-height: 1.3;
    }

    .stat p {
        color: #5dade2;
        font-weight: 500;
        margin: 0;
        line-height: 1.4;
        font-size: 0.85rem;
    }

    .about-img-main,
    .about-img-secondary {
        width: 100%;
        aspect-ratio: 1 / 1;
        height: auto;
        box-shadow: 0 8px 20px rgba(52, 152, 219, 0.1);
        border: 1px solid rgba(52, 152, 219, 0.05);
        object-fit: cover;
        object-position: center;
        border-radius: 15px;
        transition: transform 0.3s ease;
    }

    .about-img-main:hover,
    .about-img-secondary:hover {
        transform: translateY(-5px);
        box-shadow: 0 15px 35px rgba(52, 152, 219, 0.15);
    }

    .placeholder-content i {
        font-size: 2.5rem;
        color: #3498db;
        margin-bottom: 0.8rem;
    }
    
    .placeholder-content span {
        font-size: 1rem;
        color: #2c3e50;
    }

    /* Contact section */
    .contact {
        padding: 4rem 0;
    }

    .contact-content {
        gap: 1.5rem;
        margin-top: 2rem;
    }

    .contact-item {
        display: flex;
        align-items: center;
        gap: 1rem;
        padding: 1.2rem;
        background: linear-gradient(135deg, #f8fcff 0%, #e8f8ff 100%);
        border-radius: 15px;
        transition: all 0.3s ease;
        border: 1px solid rgba(52, 152, 219, 0.06);
        margin-bottom: 0.8rem;
    }

    .contact-item:hover {
        background: linear-gradient(135deg, rgba(52, 152, 219, 0.1) 0%, rgba(26, 188, 156, 0.1) 100%);
        transform: translateX(5px);
        border-color: rgba(52, 152, 219, 0.15);
    }

    .contact-item i {
        font-size: 1.2rem;
        color: #2980b9;
        width: 35px;
        text-align: center;
        min-width: 35px;
    }

    .contact-item h3 {
        color: #2c3e50;
        font-weight: 600;
        margin-bottom: 0.3rem;
        font-size: 1rem;
    }

    .contact-item p {
        color: #5dade2;
        font-weight: 500;
        margin: 0;
        font-size: 0.9rem;
    }

    .contact-item p a {
        color: #2980b9;
        text-decoration: none;
        transition: color 0.3s ease;
    }

    .contact-item p a:hover {
        color: #3498db;
        text-decoration: underline;
    }

    .contact-form {
        background: linear-gradient(135deg, #f8fcff 0%, #e8f8ff 100%);
        padding: 1.2rem;
        border-radius: 20px;
        border: 1px solid rgba(52, 152, 219, 0.08);
    }

    .form-group {
        margin-bottom: 1rem;
    }

    .form-group input,
    .form-group textarea {
        width: 100%;
        padding: 0.9rem;
        border: 2px solid rgba(52, 152, 219, 0.15);
        border-radius: 8px;
        font-family: inherit;
        font-size: 0.95rem;
        transition: border-color 0.3s ease;
        background: rgba(255, 255, 255, 0.8);
        min-height: 44px;
    }

    .form-group input:focus,
    .form-group textarea:focus {
        outline: none;
        border-color: #2980b9;
        background: white;
    }

    .form-group textarea {
        min-height: 100px;
        resize: vertical;
    }

    .submit-btn {
        width: 100%;
        background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
        color: white;
        border: none;
        padding: 0.9rem 1.5rem;
        border-radius: 8px;
        font-weight: 600;
        font-size: 1rem;
        cursor: pointer;
        transition: all 0.3s ease;
        box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
        min-height: 44px;
    }

    .submit-btn:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 25px rgba(52, 152, 219, 0.4);
        background: linear-gradient(135deg, #2980b9 0%, #1abc9c 100%);
    }

    /* Footer improvements */
    .footer {
        padding: 2.5rem 0 1rem;
    }

    .footer-content {
        gap: 1.5rem;
        margin-bottom: 1.5rem;
    }

    .footer-section {
        margin-bottom: 1.2rem;
    }

    .footer-section h3,
    .footer-section h4 {
        margin-bottom: 0.8rem;
        color: #ecf0f1;
        position: relative;
        font-size: 1.1rem;
    }

    .footer-section h3::after {
        content: '';
        position: absolute;
        bottom: -5px;
        left: 50%;
        transform: translateX(-50%);
        width: 30px;
        height: 2px;
        background: linear-gradient(135deg, #3498db 0%, #1abc9c 100%);
        border-radius: 1px;
    }

    .footer-section p {
        color: #bdc3c7;
        line-height: 1.6;
        margin-bottom: 0.8rem;
        transition: color 0.3s ease;
        font-size: 0.9rem;
    }

    .footer-section p:hover {
        color: #ecf0f1;
    }

    .footer-section p a {
        color: #5dade2;
        text-decoration: none;
        transition: all 0.3s ease;
        position: relative;
    }

    .footer-section p a::after {
        content: '';
        position: absolute;
        bottom: -2px;
        left: 0;
        width: 0;
        height: 1px;
        background: #3498db;
        transition: width 0.3s ease;
    }

    .footer-section p a:hover {
        color: #3498db;
    }

    .footer-section p a:hover::after {
        width: 100%;
    }

    .footer-section ul li {
        margin-bottom: 0.5rem;
        transition: transform 0.2s ease;
    }

    .footer-section ul li:hover {
        transform: translateX(5px);
    }

    .footer-section ul li a {
        color: #bdc3c7;
        text-decoration: none;
        transition: all 0.3s ease;
        position: relative;
        display: inline-block;
        font-size: 0.9rem;
    }

    .footer-section ul li a::before {
        content: '▶';
        position: absolute;
        left: -15px;
        color: #3498db;
        font-size: 0.6rem;
        opacity: 0;
        transition: all 0.3s ease;
    }

    .footer-section ul li a:hover {
        color: #5dade2;
        padding-left: 20px;
    }

    .footer-section ul li a:hover::before {
        opacity: 1;
    }

    .social-links {
        justify-content: center;
        gap: 1.2rem;
        margin-top: 1.2rem;
    }
    
    .social-links a {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
        color: white;
        border-radius: 50%;
        text-decoration: none;
        transition: all 0.3s ease;
        box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
        position: relative;
        overflow: hidden;
    }

    .social-links a::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(135deg, #1abc9c 0%, #16a085 100%);
        transform: scale(0);
        transition: transform 0.3s ease;
        border-radius: 50%;
    }

    .social-links a:hover::before {
        transform: scale(1);
    }

    .social-links a:hover {
        transform: translateY(-3px);
        box-shadow: 0 8px 25px rgba(52, 152, 219, 0.4);
    }

    .social-links a i {
        position: relative;
        z-index: 1;
        transition: transform 0.3s ease;
    }

    .social-links a:hover i {
        transform: scale(1.1);
    }

    .footer-bottom {
        border-top: 1px solid rgba(52, 152, 219, 0.3);
        padding-top: 1rem;
        text-align: center;
        color: #bdc3c7;
        position: relative;
        z-index: 1;
    }

    .footer-bottom::before {
        content: '';
        position: absolute;
        top: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 80px;
        height: 1px;
        background: linear-gradient(90deg, transparent 0%, #3498db 50%, transparent 100%);
        margin-top: -1px;
    }

    .footer-bottom p {
        margin-bottom: 0.4rem;
        transition: color 0.3s ease;
    }

    .footer-bottom a {
        color: #5dade2;
        text-decoration: none;
        transition: all 0.3s ease;
        position: relative;
    }

    .footer-bottom a::after {
        content: '';
        position: absolute;
        bottom: -2px;
        left: 0;
        width: 0;
        height: 1px;
        background: #3498db;
        transition: width 0.3s ease;
    }

    .footer-bottom a:hover {
        color: #3498db;
    }

    .footer-bottom a:hover::after {
        width: 100%;
    }

    /* Mobile utilities */
    .scroll-to-top {
        bottom: 15px;
        right: 15px;
        width: 45px;
        height: 45px;
        font-size: 1rem;
    }

    /* Price button mobile optimization */
    .price-btn {
        padding: 10px 25px;
        font-size: 1rem;
        border-radius: 25px;
        max-width: 100%;
        width: 100%;
        min-height: 44px;
    }

    /* Mobile slider optimizations */
    .slider-btn {
        width: 32px;
        height: 32px;
    }

    .slider-btn i {
        font-size: 0.75rem;
    }

    .dot {
        width: 8px;
        height: 8px;
    }

    .product-img {
        width: 100%;
        height: 100%;
    }
}

/* Product Slider Styles */
.product-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    border-radius: 20px 20px 0 0;
}

.slider-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.slide {
    display: none;
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.slide.active {
    display: block;
    opacity: 1;
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.95);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.2);
    border: 1px solid rgba(52, 152, 219, 0.1);
}

.slider-btn:hover {
    background: white;
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 6px 20px rgba(52, 152, 219, 0.3);
    border-color: rgba(52, 152, 219, 0.2);
}

.prev-btn {
    left: 15px;
}

.next-btn {
    right: 15px;
}

.slider-btn i {
    color: #2980b9;
    font-size: 0.9rem;
}

.slider-dots {
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(52, 152, 219, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.9);
}

.dot:hover,
.dot.active {
    background: #3498db;
    transform: scale(1.2);
    box-shadow: 0 2px 8px rgba(52, 152, 219, 0.4);
}

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 55px;
    height: 55px;
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 
        0 8px 25px rgba(52, 152, 219, 0.3),
        0 0 20px rgba(52, 152, 219, 0.2);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.scroll-to-top:hover {
    background: linear-gradient(135deg, #2980b9 0%, #1abc9c 100%);
    transform: translateY(0) scale(1.1);
    box-shadow: 
        0 12px 35px rgba(52, 152, 219, 0.4),
        0 0 30px rgba(52, 152, 219, 0.3);
    border-color: rgba(255, 255, 255, 0.2);
}

.scroll-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-to-top:active {
    transform: translateY(0) scale(0.95);
    box-shadow: 
        0 6px 20px rgba(52, 152, 219, 0.3),
        0 0 15px rgba(52, 152, 219, 0.2);
}

.scroll-to-top i {
    transition: transform 0.3s ease;
}

.scroll-to-top:hover i {
    transform: translateY(-2px);
}