/* ===== المتغيرات والألوان الأساسية ===== */
:root {
    --primary-dark: #283D74;
    --primary-red: #E32A31;
    --secondary-blue: #7480A1;
    --secondary-red: #EA8588;
    --bg-white: #FFFFFF;
    --text-dark: #1e2a3a;
    --shadow-sm: 0 5px 20px rgba(0,0,0,0.06);
    --shadow-md: 0 10px 30px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Cairo', sans-serif;
    background: var(--bg-white);
    color: var(--text-dark);
    line-height: 1.7;
    overflow-x: hidden;
}

.container {
    width: 90%;
    max-width: 1300px;
    margin: 0 auto;
}

/* ===== شريط التنقل ===== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    padding: 0.8rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo img {
    height: 45px;
    width: auto;
    transition: var(--transition);
}

.logo span {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary-dark);
}

.logo .highlight {
    color: var(--primary-red);
}

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

.nav-links a {
    text-decoration: none;
    font-weight: 600;
    color: var(--primary-dark);
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 0;
    height: 3px;
    background: var(--primary-red);
    transition: var(--transition);
}

.nav-links a:hover::after {
    width: 100%;
    left: 0;
    right: auto;
}

.menu-toggle {
    display: none;
    font-size: 1.6rem;
    cursor: pointer;
    color: var(--primary-dark);
}

/* ===== صورة الغلاف (Hero) ===== */
.hero {
    height: 100vh;
    min-height: 600px;
    background-image: url('img/caver.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
    margin-top: 70px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(40,61,116,0.88), rgba(227,42,49,0.75));
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero-content {
    padding: 2rem;
    animation: fadeInUp 1s ease;
}

.hero-content h1 {
    font-size: 3rem;
    font-weight: 800;
    color: white;
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

.hero-content p {
    font-size: 1.2rem;
    color: rgba(255,255,255,0.95);
    margin-bottom: 2rem;
}

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

/* ===== الأزرار ===== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--primary-red);
    color: white;
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary:hover {
    background: var(--secondary-red);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(227,42,49,0.35);
}

/* ===== العناوين ===== */
.section-title {
    text-align: center;
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 3rem;
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--primary-red);
    border-radius: 3px;
}

/* ===== من نحن ===== */
.about {
    padding: 5rem 0;
    background: var(--bg-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-text p {
    font-size: 1.05rem;
    margin-bottom: 1.5rem;
    color: #2c3e50;
}

.features-list {
    list-style: none;
}

.features-list li {
    margin: 1rem 0;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1rem;
}

.features-list i {
    color: var(--primary-red);
    font-size: 1.2rem;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.stat {
    background: linear-gradient(145deg, var(--primary-dark), var(--secondary-blue));
    padding: 1.8rem 1rem;
    border-radius: 20px;
    text-align: center;
    color: white;
    transition: var(--transition);
}

.stat:hover {
    transform: translateY(-8px);
}

.stat h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.stat p {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* ===== المنتجات ===== */
.products {
    padding: 5rem 0;
    background: linear-gradient(180deg, #f8faff 0%, var(--bg-white) 100%);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
}

.product-card {
    background: var(--bg-white);
    padding: 2rem 1.5rem;
    border-radius: 24px;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(116,128,161,0.15);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
    border-color: var(--secondary-red);
}

.product-icon {
    width: 70px;
    height: 70px;
    background: rgba(227,42,49,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.2rem;
}

.product-icon i {
    font-size: 2rem;
    color: var(--primary-red);
}

.product-card h3 {
    color: var(--primary-dark);
    margin-bottom: 0.8rem;
    font-size: 1.3rem;
}

.product-card p {
    color: #5a6874;
    font-size: 0.9rem;
}

/* ===== الخدمات ===== */
.services {
    padding: 5rem 0;
    background: var(--bg-white);
}

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

.service-card {
    text-align: center;
    padding: 2rem;
    border-radius: 20px;
    transition: var(--transition);
    background: #ffffff;
    box-shadow: var(--shadow-sm);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(145deg, var(--primary-dark), var(--secondary-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.2rem;
}

.service-icon i {
    font-size: 2rem;
    color: white;
}

.service-card h3 {
    color: var(--primary-dark);
    margin-bottom: 0.8rem;
}

.service-card p {
    color: #5a6874;
}

/* ===== اتصل بنا ===== */
.contact {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--primary-dark), var(--secondary-blue));
}

.contact .section-title {
    color: white;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 2rem;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    border-radius: 30px;
    padding: 2rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 15px;
    color: white;
}

.info-item i {
    width: 45px;
    height: 45px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 18px;
    border: none;
    border-radius: 12px;
    font-family: 'Cairo', sans-serif;
    font-size: 1rem;
    background: white;
}

.form-group textarea {
    resize: vertical;
}

.form-message {
    margin-top: 1rem;
    padding: 10px;
    border-radius: 10px;
    text-align: center;
    font-size: 0.9rem;
}

.form-message.success {
    background: #d4edda;
    color: #155724;
}

.form-message.error {
    background: #f8d7da;
    color: #721c24;
}

/* ===== التذييل ===== */
.footer {
    background: var(--primary-dark);
    color: white;
    padding: 2rem 0;
    border-top: 3px solid var(--primary-red);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

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

.footer-social a {
    color: white;
    margin: 0 10px;
    font-size: 1.2rem;
    transition: var(--transition);
    display: inline-block;
}

.footer-social a:hover {
    color: var(--secondary-red);
    transform: translateY(-3px);
}

/* ===== استجابة للأجهزة المختلفة ===== */
@media (max-width: 992px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .hero-content h1 {
        font-size: 2.2rem;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        right: -100%;
        width: 70%;
        height: calc(100vh - 70px);
        background: var(--bg-white);
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding-top: 2rem;
        gap: 1.8rem;
        transition: var(--transition);
        box-shadow: -5px 0 20px rgba(0,0,0,0.1);
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .hero {
        background-attachment: scroll;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.6rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
}
/* ===== إضافات وتحسينات احترافية ===== */

/* تأثيرات الظهور عند التمرير */
.fade-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* زر الرجوع للأعلى */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-red);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.3rem;
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
    z-index: 999;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.scroll-top.show {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    background: var(--secondary-red);
    transform: translateY(-5px);
}

/* دعم السمة المظلمة (Dark Mode) */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-white: #1a1a2e;
        --text-dark: #eeeeee;
    }
    
    .navbar {
        background: rgba(26,26,46,0.97);
    }
    
    .product-card,
    .service-card {
        background: #16213e;
        border-color: rgba(116,128,161,0.3);
    }
    
    .product-card p,
    .service-card p {
        color: #b0b0b0;
    }
    
    .contact-wrapper {
        background: rgba(0,0,0,0.3);
    }
    
    .form-group input,
    .form-group textarea {
        background: #0f3460;
        color: white;
    }
    
    .form-group input::placeholder,
    .form-group textarea::placeholder {
        color: #a0a0a0;
    }
}

/* تحسينات إضافية للهواتف الصغيرة */
@media (max-width: 480px) {
    .scroll-top {
        width: 40px;
        height: 40px;
        bottom: 20px;
        right: 20px;
        font-size: 1rem;
    }
    
    .contact-wrapper {
        padding: 1.5rem;
    }
    
    .info-item {
        font-size: 0.9rem;
    }
}

/* منع التحديد العشوائي */
.nav-links a,
.btn-primary,
.service-card,
.product-card {
    user-select: none;
}

/* تحسين التركيز لوضعية لوحة المفاتيح */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 3px solid var(--primary-red);
    outline-offset: 2px;
}