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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #333;
    line-height: 1.6;
}

/* Navigation */
nav {
    background: #fff;
    padding: 12px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav .logo {
    font-size: 1.6rem;
    font-weight: 700;
    color: #0066cc;
    letter-spacing: 2px;
    text-decoration: none;
}

nav .logo span {
    color: #28a745;
}

.nav-center {
    display: flex;
    gap: 30px;
    list-style: none;
}

.nav-center li a {
    text-decoration: none;
    color: #555;
    font-weight: 500;
    transition: color 0.3s;
    padding: 5px 0;
    border-bottom: 2px solid transparent;
}

.nav-center li a:hover,
.nav-center li a.active {
    color: #0066cc;
    border-bottom-color: #0066cc;
}

/* Language Switcher */
.lang-switcher {
    display: flex;
    gap: 6px;
    align-items: center;
}

.lang-switcher a {
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    color: #888;
    padding: 4px 10px;
    border-radius: 20px;
    border: 1px solid #ddd;
    transition: all 0.3s;
}

.lang-switcher a:hover {
    border-color: #0066cc;
    color: #0066cc;
}

.lang-switcher a.active {
    background: #0066cc;
    color: #fff;
    border-color: #0066cc;
}

/* Hero */
.hero {
    background: linear-gradient(135deg, #0066cc 0%, #004999 100%);
    color: #fff;
    padding: 80px 40px;
    text-align: center;
}

/* Hero Slider */
.hero-slider {
    position: relative;
    max-width: 800px;
    margin: 0 auto 30px;
    overflow: hidden;
}

.hero-slides {
    display: flex;
    transition: transform 0.5s ease;
}

.hero-slide {
    min-width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    padding: 10px 20px;
}

.hero-slide img {
    max-width: 220px;
    height: auto;
    background: #fff;
    border-radius: 16px;
    padding: 15px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.3);
}

.hero-slide .slide-text {
    text-align: left;
    max-width: 320px;
}

.hero-slide .slide-text h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.hero-slide .slide-text p {
    font-size: 0.95rem;
    opacity: 0.85;
    margin-bottom: 15px;
}

.slider-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
}

.slider-dots button {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid #fff;
    background: transparent;
    cursor: pointer;
    transition: background 0.3s;
    padding: 0;
}

.slider-dots button.active {
    background: #fff;
}

.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.2);
    border: none;
    color: #fff;
    font-size: 1.5rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.3s;
    z-index: 5;
}

.slider-arrow:hover {
    background: rgba(255,255,255,0.4);
}

.slider-arrow.prev { left: 5px; }
.slider-arrow.next { right: 5px; }

/* Hero Products Side by Side */
.hero-products {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin: 30px auto;
    max-width: 600px;
}

.hero-product {
    text-decoration: none;
    color: #fff;
    text-align: center;
    transition: transform 0.3s;
}

.hero-product:hover {
    transform: translateY(-5px);
}

.hero-product img {
    width: 200px;
    height: 200px;
    object-fit: contain;
    background: #fff;
    border-radius: 16px;
    padding: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    margin-bottom: 12px;
}

.hero-product span {
    display: block;
    font-weight: 600;
    font-size: 1.1rem;
    letter-spacing: 0.5px;
}

@media (max-width: 768px) {
    .hero-products {
        gap: 20px;
    }
    .hero-product img {
        width: 140px;
        height: 140px;
    }
}

/* Legacy single hero image */
.hero-img {
    max-width: 280px;
    height: auto;
    margin-bottom: 30px;
    background: #fff;
    border-radius: 20px;
    padding: 15px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.3);
}

@keyframes floatUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Product page */
.product-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    margin-bottom: 60px;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 30px;
}

.product-detail.reverse {
    direction: rtl;
}

.product-detail.reverse > * {
    direction: ltr;
}

.product-detail img {
    width: 100%;
    max-width: 400px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.product-detail .product-info h3 {
    font-size: 1.8rem;
    color: #0066cc;
    margin-bottom: 15px;
}

.product-detail .product-info p {
    color: #555;
    margin-bottom: 15px;
}

.product-detail .product-info ul {
    list-style: none;
    margin-bottom: 25px;
}

.product-detail .product-info ul li {
    padding: 6px 0;
    color: #555;
}

.product-detail .product-info ul li::before {
    content: "✓ ";
    color: #28a745;
    font-weight: 700;
}

@media (max-width: 768px) {
    .hero-slide {
        flex-direction: column;
        text-align: center;
    }
    .hero-slide .slide-text {
        text-align: center;
    }
    .slider-arrow {
        display: none;
    }
    .product-detail {
        grid-template-columns: 1fr;
    }
    .product-detail.reverse {
        direction: ltr;
    }
    .product-detail img {
        margin: 0 auto;
    }
}

.hero h1 {
    font-size: 2.8rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero p {
    font-size: 1.2rem;
    max-width: 650px;
    margin: 0 auto 35px;
    opacity: 0.9;
}

.btn {
    display: inline-block;
    background: #28a745;
    color: #fff;
    padding: 15px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 600;
    transition: background 0.3s, transform 0.2s;
}

.btn:hover {
    background: #218838;
    transform: translateY(-2px);
}

.btn-blue {
    background: #0066cc;
}

.btn-blue:hover {
    background: #0055aa;
}

/* Section */
section {
    padding: 80px 40px;
    max-width: 1100px;
    margin: 0 auto;
}

section h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 50px;
    color: #0066cc;
}

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

.card {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 35px 25px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.card .icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.card h3 {
    margin-bottom: 10px;
    color: #0066cc;
}

.card p {
    color: #666;
    font-size: 0.95rem;
}

/* Steps */
.steps {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.step {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    background: #f8f9fa;
    padding: 25px 30px;
    border-radius: 12px;
    border-left: 4px solid #0066cc;
}

.step-number {
    background: #0066cc;
    color: #fff;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.step h3 {
    margin-bottom: 5px;
    color: #333;
}

.step p {
    color: #666;
}

/* About */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: #0066cc;
}

.about-text p {
    color: #555;
    margin-bottom: 15px;
}

.about-text ul {
    list-style: none;
    margin-bottom: 25px;
}

.about-text ul li {
    padding: 6px 0;
    color: #555;
}

.about-text ul li::before {
    content: "✓ ";
    color: #28a745;
    font-weight: 700;
}

.about-photo {
    border-radius: 16px;
    height: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: #888;
    text-align: center;
    padding: 0;
    margin-bottom: 10px;
}

.about-photo img {
    width: 100%;
    height: auto;
    border-radius: 16px;
    object-fit: contain;
}

/* Contact */
.contact-section {
    background: #f0f4f8;
    padding: 80px 40px;
}

.contact-inner {
    max-width: 700px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-wrap: wrap;
    gap: 25px;
    justify-content: center;
    margin-bottom: 40px;
}

.contact-item {
    background: #fff;
    padding: 25px 30px;
    border-radius: 12px;
    text-align: center;
    min-width: 200px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.06);
}

.contact-item .icon {
    font-size: 2rem;
    margin-bottom: 10px;
}

.contact-item a {
    color: #0066cc;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
}

.contact-item p {
    color: #666;
    font-size: 0.9rem;
    margin-top: 5px;
}

form {
    background: #fff;
    padding: 35px;
    border-radius: 12px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.06);
}

form label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: #444;
}

form input, form textarea, form select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
}

form input:focus, form textarea:focus, form select:focus {
    outline: none;
    border-color: #0066cc;
}

form textarea {
    height: 120px;
    resize: vertical;
}

form button {
    width: 100%;
    padding: 14px;
    background: #0066cc;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
}

form button:hover {
    background: #0055aa;
}

/* Footer */
footer {
    background: #1a1a2e;
    color: #aaa;
    text-align: center;
    padding: 30px 40px;
    font-size: 0.9rem;
}

footer a {
    color: #7eb8f7;
    text-decoration: none;
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #333;
    border-radius: 3px;
    transition: 0.3s;
}

/* Responsive */
@media (max-width: 768px) {
    nav {
        flex-wrap: wrap;
        padding: 12px 20px;
    }

    .hamburger {
        display: flex;
    }

    .nav-center {
        display: none;
        flex-direction: column;
        width: 100%;
        gap: 10px;
        padding-top: 15px;
        order: 3;
    }

    .nav-center.open {
        display: flex;
    }

    .lang-switcher {
        order: 2;
    }

    .hero {
        padding: 60px 20px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    section {
        padding: 50px 20px;
    }

    .step {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .about-content {
        grid-template-columns: 1fr;
        overflow: visible;
    }

    .about-photo {
        height: auto;
        margin-top: 15px;
        margin-bottom: 15px;
        position: relative;
        z-index: 1;
    }

    .about-photo img {
        max-height: 500px;
        width: auto;
        margin: 0 auto;
        display: block;
    }

    .contact-section {
        padding: 50px 20px;
    }
}