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

:root {
    --primary: #1a5490;
    --primary-dark: #144079;
    --primary-light: #2d6ba3;
    --secondary: #e67e22;
    --secondary-dark: #d35400;
    --secondary-light: #f39c12;
    --accent: #3498db;
    --accent-dark: #2980b9;
    --accent-light: #5dade2;
    --dark: #2c3e50;
    --dark-light: #34495e;
    --white: #ffffff;
    --light: #ecf0f1;
    --gray-50: #fafafa;
    --gray-100: #f5f5f5;
    --gray-200: #e5e5e5;
    --gray-300: #d4d4d4;
    --gray-400: #a3a3a3;
    --gray-500: #737373;
    --gray-600: #525252;
    --gray-700: #404040;
    --gray-800: #262626;
    --gray-900: #171717;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'IBM Plex Sans Arabic', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--white);
    color: var(--dark);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.skip-link {
    position: absolute;
    top: -100px;
    right: 0;
    background: var(--primary);
    color: var(--white);
    padding: 1rem;
    z-index: 10000;
    text-decoration: none;
}

.skip-link:focus {
    top: 0;
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    box-shadow: var(--shadow-lg);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-img {
    height: 60px;
    width: auto;
    transition: transform 0.3s ease;
}

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

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

.nav-link {
    color: var(--dark);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    position: relative;
    transition: color 0.3s ease;
    padding: 0.5rem 0;
}

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

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

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

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--dark);
    transition: all 0.3s ease;
    border-radius: 2px;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 0 80px;
    overflow: hidden;
    background: linear-gradient(135deg, #1a5490 0%, #2d6ba3 100%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(230, 126, 34, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    z-index: 1;
}

.hero-shapes {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
    animation: float 20s ease-in-out infinite;
}

.shape-1 {
    width: 400px;
    height: 400px;
    background: var(--white);
    top: -100px;
    right: -100px;
}

.shape-2 {
    width: 300px;
    height: 300px;
    background: var(--secondary);
    bottom: -50px;
    left: -50px;
    animation-delay: -5s;
}

.shape-3 {
    width: 200px;
    height: 200px;
    background: var(--accent);
    top: 50%;
    left: 50%;
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    33% {
        transform: translate(30px, -30px) rotate(120deg);
    }
    66% {
        transform: translate(-30px, 30px) rotate(240deg);
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    margin-bottom: 2rem;
}

.title-main {
    display: block;
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
}

.title-sub {
    display: block;
    font-size: 2rem;
    font-weight: 600;
    color: var(--secondary-light);
    text-shadow: 0 2px 15px rgba(0, 0, 0, 0.2);
}

.hero-description {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 400;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-button {
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    display: inline-block;
    box-shadow: var(--shadow-lg);
}

.cta-button.primary {
    background: var(--secondary);
    color: var(--white);
}

.cta-button.primary:hover {
    background: var(--secondary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.cta-button.secondary {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.cta-button.secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: var(--white);
    transform: translateY(-3px);
}

.hero-logo-container {
    margin-top: 3rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-logo-white {
    height: 120px;
    width: auto;
    filter: brightness(0) invert(1);
    opacity: 0.9;
    transition: all 0.3s ease;
}

.hero-logo-white:hover {
    opacity: 1;
    transform: scale(1.05);
}

/* ============================================
   Section Styles
   ============================================ */
section {
    padding: 6rem 0;
    position: relative;
}

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

.section-tag {
    display: inline-block;
    background: rgba(26, 84, 144, 0.1);
    color: var(--primary);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.section-description {
    font-size: 1.1rem;
    color: var(--gray-600);
    max-width: 700px;
    margin: 0 auto;
}

/* ============================================
   About Section
   ============================================ */
.about {
    background: var(--light);
}

.about-content {
    max-width: 1000px;
    margin: 0 auto;
}

.about-main {
    margin-bottom: 4rem;
}

.about-text {
    font-size: 1.2rem;
    line-height: 1.9;
    color: var(--gray-700);
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

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

.category-item {
    background: var(--white);
    padding: 2.5rem 2rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
    border: 2px solid transparent;
}

.category-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.category-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.category-item h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.category-item p {
    font-size: 1rem;
    color: var(--gray-600);
    line-height: 1.6;
}

/* ============================================
   Products Section
   ============================================ */
.products {
    background: var(--white);
}

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

.product-item {
    background: linear-gradient(135deg, rgba(26, 84, 144, 0.05), rgba(255, 255, 255, 1));
    padding: 2.5rem 2rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid rgba(26, 84, 144, 0.1);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.product-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.product-item:hover::before {
    transform: scaleX(1);
}

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

.product-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
    transition: transform 0.3s ease;
}

.product-item:hover .product-icon {
    transform: scale(1.15) rotate(5deg);
}

.product-item h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 1rem;
}

.product-item p {
    font-size: 1rem;
    color: var(--gray-600);
    line-height: 1.6;
}

/* ============================================
   Contact Section
   ============================================ */
.contact {
    background: linear-gradient(135deg, #1a5490 0%, #2d6ba3 100%);
    color: var(--white);
}

.contact .section-title,
.contact .section-description {
    color: var(--white);
}

.contact .section-tag {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.contact-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 3rem 2rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.contact-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.contact-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
}

.contact-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.contact-card p {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: rgba(255, 255, 255, 0.9);
}

.contact-link {
    display: inline-block;
    margin-top: 1.5rem;
    padding: 0.75rem 2rem;
    background: var(--secondary);
    color: var(--white);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.contact-link:hover {
    background: var(--secondary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: 4rem 0 2rem;
}

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

.footer-brand {
    text-align: center;
}

.footer-logo {
    height: 70px;
    width: auto;
    margin-bottom: 1rem;
    filter: brightness(0) invert(1);
}

.footer-brand p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.5rem;
}

.footer-contact h4 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-contact p {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0.5rem;
}

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

.footer-bottom p {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 0.5rem;
}

.footer-credits {
    margin-top: 1rem;
}

.footer-credits a {
    color: #f5871b;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border-bottom: 1px solid transparent;
}

.footer-credits a:hover {
    color: #f5871b;
    border-bottom-color: #f5871b;
}

/* ============================================
   WhatsApp Floating Button
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: all 0.3s ease;
    text-decoration: none;
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 4px 30px rgba(37, 211, 102, 0.6);
    }
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .title-main {
        font-size: 3rem;
    }
    
    .title-sub {
        font-size: 1.75rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .about-categories,
    .products-grid {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    }
}

@media (max-width: 768px) {
    .nav-container {
        padding: 0.75rem 1rem;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        right: -100%;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        padding: 2rem;
        box-shadow: var(--shadow-lg);
        transition: right 0.3s ease;
        gap: 1rem;
        align-items: flex-start;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .hero {
        min-height: 100vh;
        min-height: 100dvh; /* Dynamic viewport height for mobile */
        padding: 80px 0 40px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .hero-content {
        padding: 1rem 0;
    }
    
    .hero-title {
        margin-bottom: 1.5rem;
    }
    
    .title-main {
        font-size: 2rem;
        line-height: 1.3;
        margin-bottom: 0.5rem;
    }
    
    .title-sub {
        font-size: 1.25rem;
        line-height: 1.4;
    }
    
    .hero-description {
        font-size: 1rem;
        margin-bottom: 2rem;
        line-height: 1.6;
        padding: 0 1rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
        padding: 0 1rem;
    }
    
    .cta-button {
        width: 100%;
        max-width: 280px;
        padding: 0.875rem 2rem;
        font-size: 1rem;
    }
    
    .hero-logo-container {
        margin-top: 2rem;
        padding: 0 1rem;
    }
    
    .hero-logo-white {
        height: 100px;
    }
    
    .shape-1,
    .shape-2,
    .shape-3 {
        opacity: 0.05;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .about-categories,
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    section {
        padding: 4rem 0;
    }
    
    .whatsapp-float {
        width: 55px;
        height: 55px;
        bottom: 1.5rem;
        left: 1.5rem;
    }
    
    .whatsapp-float svg {
        width: 28px;
        height: 28px;
    }
}

@media (max-width: 480px) {
    .hero {
        min-height: 100vh;
        min-height: 100dvh; /* Dynamic viewport height for mobile */
        padding: 70px 0 30px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .hero-content {
        padding: 0.5rem 0;
    }
    
    .title-main {
        font-size: 1.75rem;
        line-height: 1.3;
        margin-bottom: 0.5rem;
    }
    
    .title-sub {
        font-size: 1.1rem;
        line-height: 1.4;
    }
    
    .hero-description {
        font-size: 0.95rem;
        margin-bottom: 1.5rem;
        line-height: 1.6;
        padding: 0 0.5rem;
    }
    
    .hero-cta {
        gap: 0.75rem;
        padding: 0 0.5rem;
    }
    
    .cta-button {
        width: 100%;
        max-width: 260px;
        padding: 0.75rem 1.5rem;
        font-size: 0.95rem;
    }
    
    .hero-logo-container {
        margin-top: 1.5rem;
        padding: 0 0.5rem;
    }
    
    .hero-logo-white {
        height: 80px;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .shape-1 {
        width: 200px;
        height: 200px;
    }
    
    .shape-2 {
        width: 150px;
        height: 150px;
    }
    
    .shape-3 {
        width: 100px;
        height: 100px;
    }
}

/* ============================================
   Focus States for Accessibility
   ============================================ */
a:focus-visible,
button:focus-visible {
    outline: 3px solid var(--primary);
    outline-offset: 3px;
    border-radius: 4px;
}