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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
    overflow-x: hidden;
}

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

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

a {
    text-decoration: none;
    color: inherit;
}

/* ===================================
   Color Variables
=================================== */
:root {
    --primary-color: #0B82A3;
    --secondary-color: #17B2C9;
    --accent-color: #4ECDC4;
    --light-blue: #E6F7FF;
    --dark-blue: #0A5268;
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --gray: #6c757d;
    --dark-gray: #343a40;
    --gradient-primary: linear-gradient(135deg, #0B82A3 0%, #17B2C9 100%);
    --gradient-secondary: linear-gradient(135deg, #17B2C9 0%, #4ECDC4 100%);
    --shadow: 0 10px 30px rgba(11, 130, 163, 0.1);
    --shadow-hover: 0 20px 40px rgba(11, 130, 163, 0.2);
}

/* ===================================
   Typography
=================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--dark-blue);
    margin-bottom: 1rem;
}

h1 {
    font-size: 3.5rem;
    line-height: 1.2;
}

h2 {
    font-size: 2.5rem;
    line-height: 1.3;
}

h3 {
    font-size: 1.75rem;
}

p {
    margin-bottom: 1rem;
    color: var(--gray);
}

/* ===================================
   Buttons
=================================== */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 500;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.btn-outline {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    background: transparent;
}

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

/* ===================================
   Header & Navigation
=================================== */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

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

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
}

.nav-link {
    font-weight: 500;
    color: var(--dark-gray);
    transition: all 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

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

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

.nav-extras {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.language-switch {
    display: flex;
    background: var(--light-gray);
    border-radius: 25px;
    padding: 3px;
}

.lang-btn {
    background: none;
    border: none;
    padding: 8px 15px;
    border-radius: 20px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--gray);
}

.lang-btn.active {
    background: var(--gradient-primary);
    color: var(--white);
}

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

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

/* ===================================
   Hero Section
=================================== */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, rgba(11, 130, 163, 0.8) 0%, rgba(23, 178, 201, 0.8) 100%), url('../images/silder.jpeg') center/cover no-repeat;
    overflow: hidden;
    padding-top: 100px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(11, 130, 163, 0.3);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    color: var(--white);
    max-width: 600px;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--white);
}

.hero-title .highlight {
    color: var(--accent-color);
    display: block;
    font-size: 1.2em;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    line-height: 1.7;
    color: var(--white);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-floating {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.floating-element {
    position: absolute;
    opacity: 0.1;
}

.fish-1 {
    top: 20%;
    right: 10%;
    width: 100px;
    height: 50px;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 50"><path d="M10 25c0-10 10-20 30-20s40 5 40 20-10 20-40 20-30-10-30-20z" fill="white"/></svg>');
    animation: float 6s ease-in-out infinite;
}

.fish-2 {
    bottom: 30%;
    right: 20%;
    width: 80px;
    height: 40px;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 80 40"><path d="M8 20c0-8 8-16 24-16s32 4 32 16-8 16-32 16-24-8-24-16z" fill="white"/></svg>');
    animation: float 8s ease-in-out infinite reverse;
}

.bubble-1,
.bubble-2 {
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
}

.bubble-1 {
    top: 15%;
    left: 15%;
    width: 20px;
    height: 20px;
    animation: bubble 4s ease-in-out infinite;
}

.bubble-2 {
    bottom: 25%;
    left: 10%;
    width: 15px;
    height: 15px;
    animation: bubble 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) translateX(0px); }
    50% { transform: translateY(-20px) translateX(10px); }
}

@keyframes bubble {
    0%, 100% { transform: translateY(0px); opacity: 0.1; }
    50% { transform: translateY(-30px); opacity: 0.3; }
}

/* ===================================
   Stats Section
=================================== */
.stats-section {
    padding: 4rem 0;
    background: var(--white);
}

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

.stat-item {
    padding: 2rem;
    background: var(--light-blue);
    border-radius: 15px;
    transition: transform 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-10px);
}

.stat-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--dark-blue);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.1rem;
    color: var(--gray);
    font-weight: 500;
}

/* ===================================
   Section Headers
=================================== */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

/* ===================================
   Products Preview Section
=================================== */
.products-preview {
    padding: 6rem 0;
    background: var(--light-gray);
}

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

.product-category {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    height: 400px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

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

.category-image {
    position: relative;
    width: 100%;
    height: 100%;
}

.category-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.category-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--gradient-primary);
    color: var(--white);
    padding: 2rem;
    transform: translateY(60%);
    transition: all 0.3s ease;
}

.product-category:hover .category-overlay {
    transform: translateY(0);
}

.category-overlay h3 {
    color: var(--white);
    margin-bottom: 0.5rem;
}

.category-overlay p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1rem;
}

.category-btn {
    background: var(--white);
    color: var(--primary-color);
    padding: 10px 20px;
    border-radius: 25px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.category-btn:hover {
    background: var(--accent-color);
    color: var(--white);
}

/* ===================================
   Services Section
=================================== */
.services-section {
    padding: 6rem 0;
    background: var(--white);
}

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

.service-item {
    text-align: center;
    padding: 3rem 2rem;
    background: var(--light-blue);
    border-radius: 20px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.service-item:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
    box-shadow: var(--shadow-hover);
}

.service-icon {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.service-item h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--dark-blue);
}

.service-item p {
    color: var(--gray);
    line-height: 1.6;
}

/* ===================================
   Certificates Section
=================================== */
.certificates-section {
    padding: 6rem 0;
    background: var(--light-gray);
}

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    align-items: center;
}

.certificate-item {
    text-align: center;
    padding: 2rem;
    background: var(--white);
    border-radius: 15px;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.certificate-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.certificate-item img {
    max-height: 80px;
    filter: grayscale(100%);
    transition: filter 0.3s ease;
}

.certificate-item:hover img {
    filter: grayscale(0%);
}

/* ===================================
   Newsletter Section
=================================== */
.newsletter-section {
    padding: 4rem 0;
    background: var(--gradient-primary);
    color: var(--white);
    text-align: center;
}

.newsletter-content h2 {
    color: var(--white);
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.newsletter-content p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    color: var(--white);
}

.newsletter-form {
    display: flex;
    max-width: 500px;
    margin: 0 auto;
    gap: 1rem;
    flex-wrap: wrap;
}

.newsletter-form input {
    flex: 1;
    padding: 15px 20px;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    min-width: 250px;
}

.newsletter-form button {
    padding: 15px 30px;
    background: var(--accent-color);
    color: var(--white);
    border: none;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.newsletter-form button:hover {
    background: var(--white);
    color: var(--primary-color);
}

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

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

.footer-section h3 {
    color: var(--accent-color);
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 1rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
}

.footer-logo img {
    width: 40px;
    height: 40px;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
    color: var(--white);
}

.social-links a:hover {
    background: var(--accent-color);
    transform: translateY(-3px);
}

.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);
    transition: color 0.3s ease;
}

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

.download-catalog {
    background: var(--accent-color);
    padding: 10px 15px;
    border-radius: 25px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    color: var(--white) !important;
}

.download-catalog:hover {
    background: var(--white);
    color: var(--primary-color) !important;
    transform: translateY(-2px);
}

.contact-info p {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 1rem;
}

.contact-info i {
    color: var(--accent-color);
    width: 20px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--accent-color);
}

/* ===================================
   Responsive Design
=================================== */

/* Mobile Menu Styles */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        right: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding: 2rem 0;
        transition: right 0.3s ease;
        box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-menu li {
        margin: 1rem 0;
    }
    
    .nav-link {
        font-size: 1.2rem;
        padding: 1rem 2rem;
        width: 100%;
        text-align: center;
        border-bottom: 1px solid var(--light-gray);
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero {
        height: 100vh;
        padding-top: 140px;
        padding-bottom: 2rem;
        justify-content: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
        margin-bottom: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }
    
    .hero-buttons .btn {
        text-align: center;
        padding: 15px 30px;
    }
    
    .stats-section {
        padding: 3rem 0;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .stat-item {
        padding: 1.5rem 1rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .products-preview,
    .services-section,
    .certificates-section {
        padding: 4rem 0;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .product-category {
        height: 350px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .service-item {
        padding: 2rem 1.5rem;
    }
    
    .certificates-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }
    
    .certificate-item {
        padding: 1rem;
    }
    
    .newsletter-section {
        padding: 3rem 0;
    }
    
    .newsletter-form {
        flex-direction: column;
        gap: 1rem;
    }
    
    .newsletter-form input {
        min-width: auto;
        width: 100%;
    }
    
    .newsletter-form button {
        width: 100%;
    }
    
    .footer {
        padding: 2rem 0 1rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
        gap: 1rem;
    }
    
    .section-header {
        margin-bottom: 3rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    h3 {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .header {
        padding: 0.8rem 0;
    }
    
    .logo {
        font-size: 1.3rem;
    }
    
    .logo img {
        width: 40px;
        height: 40px;
    }
    
    .language-switch {
        display: none;
    }
    
    .hero {
        height: 100vh;
        padding-top: 120px;
        padding-bottom: 1.5rem;
        justify-content: center;
    }
    
    .hero-title {
        font-size: 2rem;
        line-height: 1.1;
    }
    
    .hero-title .highlight {
        font-size: 1em;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .stat-item {
        padding: 1.5rem 1rem;
    }
    
    .stat-icon {
        font-size: 2.5rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .stat-label {
        font-size: 1rem;
    }
    
    .product-category {
        height: 300px;
    }
    
    .category-overlay {
        padding: 1.5rem;
    }
    
    .service-item {
        padding: 2rem 1rem;
    }
    
    .service-icon {
        font-size: 3rem;
    }
    
    .certificates-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }
    
    .certificate-item {
        padding: 1rem 0.5rem;
    }
    
    .certificate-item img {
        max-height: 60px;
    }
    
    .newsletter-content h2 {
        font-size: 2rem;
    }
    
    .newsletter-content p {
        font-size: 1rem;
    }
    
    .footer-logo {
        font-size: 1.3rem;
    }
    
    .footer-logo img {
        width: 35px;
        height: 35px;
    }
    
    .social-links a {
        width: 35px;
        height: 35px;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .section-subtitle {
        font-size: 0.95rem;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    h3 {
        font-size: 1.4rem;
    }
}

/* Very Small Screens */
@media (max-width: 360px) {
    .container {
        padding: 0 10px;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 0.95rem;
    }
    
    .btn {
        padding: 12px 20px;
        font-size: 0.85rem;
    }
    
    .stat-item {
        padding: 1rem;
    }
    
    .service-item {
        padding: 1.5rem 1rem;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
    
    .section-subtitle {
        font-size: 0.9rem;
    }
}

/* Landscape Mobile */
@media (max-width: 768px) and (orientation: landscape) {
    .hero {
        height: 100vh;
        padding: 1rem 0;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }
    
    .stats-section {
        padding: 2rem 0;
    }
    
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 1rem;
    }
    
    .stat-item {
        padding: 1rem;
    }
}

/* Touch Device Improvements */
@media (hover: none) and (pointer: coarse) {
    .btn:hover {
        transform: none;
    }
    
    .btn:active {
        transform: scale(0.98);
    }
    
    .stat-item:hover,
    .product-category:hover,
    .service-item:hover {
        transform: none;
    }
    
    .certificate-item:hover {
        transform: none;
        filter: none;
    }
    
    .nav-link::after {
        display: none;
    }
}