/* ==========================================================================
   1. VARIABLES & RESET (المتغيرات والتهيئة العامة)
   ========================================================================== */
:root {
    /* Palette */
    --primary-color: #E66100;       /* برتقالي فخم ومحفز للحواس */
    --primary-hover: #C44E00;       /* برتقالي غامق للتفاعلات */
    --secondary-color: #FFFFFF;     /* الأبيض النقي */
    --dark-gray: #1E1E24;           /* رمادي غامق فخم للنصوص والخلفيات الأساسية */
    --light-gray: #F7F9FB;          /* رمادي فاتح مريح جداً للعين للتبديل بين الأقسام */
    --text-muted: #64748B;          /* رمادي ناعم للتفاصيل الثانوية */
    --border-color: #E2E8F0;        /* لون الحدود الافتراضي */
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-shadow: rgba(31, 38, 135, 0.06);
    
    /* Layout */
    --font-primary: 'Cairo', sans-serif;
    --font-serif: 'Playfair Display', serif;
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --border-radius: 16px;
    --container-width: 1200px;
}

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

body {
    font-family: var(--font-primary);
    background-color: var(--secondary-color);
    color: var(--dark-gray);
    line-height: 1.7;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-smooth);
}

ul {
    list-style: none;
}

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

.text-primary { color: var(--primary-color); }
.text-center { text-align: center; }
.mt-5 { margin-top: 3rem; }
.bg-light { background-color: var(--light-gray); }
.section-padding { padding: 6rem 0; }

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* ==========================================================================
   2. LOADING ANIMATION (شاشة الانتظار)
   ========================================================================== */
.loader-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--dark-gray);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 99999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loader {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(230, 97, 0, 0.2);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s cubic-bezier(0.55, 0, 0.1, 1) infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ==========================================================================
   3. BUTTONS & UI COMPONENTS (الأزرار والعناصر التفاعلية)
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 28px;
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition-smooth);
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--secondary-color);
    box-shadow: 0 4px 14px rgba(230, 97, 0, 0.3);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(230, 97, 0, 0.4);
}

.btn-secondary {
    background-color: transparent;
    color: var(--dark-gray);
    border-color: var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--dark-gray);
    color: var(--secondary-color);
    border-color: var(--dark-gray);
    transform: translateY(-3px);
}

.btn-sm {
    padding: 8px 20px;
    font-size: 0.9rem;
    border-radius: 10px;
}

.btn-block {
    width: 100%;
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark-gray);
    margin-bottom: 10px;
}

.section-divider {
    width: 80px;
    height: 4px;
    background-color: var(--primary-color);
    margin: 0 auto 20px auto;
    border-radius: 2px;
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* ==========================================================================
   4. HEADER & NAVBAR (الشريط العلوي)
   ========================================================================== */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: transparent;
    transition: var(--transition-smooth);
    padding: 20px 0;
}

.main-header.sticky {
    background-color: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 12px 0;
    box-shadow: 0 4px 30px var(--glass-shadow);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.navbar-internal {
    position: relative;
    background-color: var(--dark-gray) !important;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-gray);
}

.main-header.sticky .logo {
    color: var(--dark-gray);
}

.navbar-internal .logo, .main-footer .logo {
    color: var(--secondary-color) !important;
}

.logo-icon {
    color: var(--primary-color);
    font-size: 1.7rem;
}

.main-nav ul {
    display: flex;
    gap: 30px;
}

.nav-link {
    font-weight: 600;
    color: var(--dark-gray);
    position: relative;
    padding: 5px 0;
}

.navbar-internal .nav-link {
    color: rgba(255, 255, 255, 0.8);
}

.navbar-internal .nav-link:hover, .navbar-internal .nav-link.active {
    color: var(--secondary-color);
}

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

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--dark-gray);
    cursor: pointer;
}

.navbar-internal .mobile-menu-toggle {
    color: var(--secondary-color);
}

/* ==========================================================================
   5. HERO SECTION (قسم الواجهة الرئيسي)
   ========================================================================== */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 60px 0;
    background: radial-gradient(circle at 10% 20%, rgba(255, 239, 224, 0.4) 0%, rgba(255, 255, 255, 1) 90%);
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
}

.hero-subtitle {
    display: inline-block;
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 1px;
    margin-bottom: 15px;
    background-color: rgba(230, 97, 0, 0.08);
    padding: 6px 16px;
    border-radius: 50px;
}

.hero-title {
    font-size: 3.8rem;
    font-weight: 900;
    line-height: 1.25;
    color: var(--dark-gray);
    margin-bottom: 25px;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 540px;
}

.hero-actions {
    display: flex;
    gap: 20px;
}

.hero-image-wrapper {
    position: relative;
    width: 100%;
    height: 500px;
    border-radius: 30px;
}

.hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 30px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.image-overlay-glow {
    position: absolute;
    top: -20px;
    left: -20px;
    width: 100%;
    height: 100%;
    border: 3px solid var(--primary-color);
    border-radius: 30px;
    z-index: -1;
    transition: var(--transition-smooth);
}

.hero-image-wrapper:hover .image-overlay-glow {
    top: 0;
    left: 0;
    transform: scale(1.02);
}

/* ==========================================================================
   6. ABOUT & CARDS (قسم من نحن والكروت والزجاجيات)
   ========================================================================== */
.about-main-content {
    max-width: 850px;
    margin: 0 auto;
    text-align: center;
}

.about-text {
    font-size: 1.25rem;
    color: #475569;
    line-height: 1.9;
}

.vision-mission-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.vision-mission-card {
    background-color: var(--secondary-color);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(0,0,0,0.02);
    border: 1px solid var(--border-color);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.vision-mission-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 4px;
    height: 100%;
    background-color: var(--primary-color);
    transform: scaleY(0);
    transition: var(--transition-smooth);
}

.vision-mission-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.06);
}

.vision-mission-card:hover::before {
    transform: scaleY(1);
}

.card-icon-box {
    width: 70px;
    height: 70px;
    background-color: rgba(230, 97, 0, 0.08);
    color: var(--primary-color);
    border-radius: 14px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.8rem;
    margin-bottom: 25px;
}

.vision-mission-card h3 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.vision-mission-card p {
    color: var(--text-muted);
}

/* ==========================================================================
   7. FEATURES SECTION (قسم المميزات الـ 6)
   ========================================================================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    background: var(--secondary-color);
    border: 1px solid var(--border-color);
    padding: 40px 30px;
    border-radius: var(--border-radius);
    transition: var(--transition-smooth);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.04);
    border-color: rgba(230, 97, 0, 0.3);
}

.feature-icon {
    font-size: 2.2rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ==========================================================================
   8. PRODUCTS SECTION (قسم المنتجات الحديث)
   ========================================================================== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 40px;
}

.product-card {
    background-color: var(--secondary-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.02);
    border: 1px solid var(--border-color);
    transition: var(--transition-smooth);
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 45px rgba(0,0,0,0.07);
}

.product-img-box {
    width: 100%;
    height: 260px;
    overflow: hidden;
    position: relative;
}

.product-img-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.product-card:hover .product-img-box img {
    transform: scale(1.08);
}

.product-info {
    padding: 25px;
}

.product-meta {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
}

.product-meta h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--dark-gray);
}

.lang-en {
    font-family: var(--font-serif);
    font-style: italic;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.95rem;
}

.product-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ==========================================================================
   9. SUPPORT & CONTACT SYSTEM (نظام الدعم الفني والتحقق)
   ========================================================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 50px;
    align-items: start;
}

.info-intro-text, .form-intro-text {
    color: var(--text-muted);
    margin-bottom: 30px;
}

.info-card {
    display: flex;
    align-items: center;
    gap: 20px;
    background-color: var(--light-gray);
    padding: 20px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
}

.info-card-icon {
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: var(--secondary-color);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.3rem;
}

.info-card-text h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 3px;
}

.info-card-text p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.card-glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.4);
    box-shadow: 0 15px 35px var(--glass-shadow);
    padding: 40px;
    border-radius: var(--border-radius);
}

.form-group {
    margin-bottom: 22px;
    position: relative;
}

.form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 8px;
    color: var(--dark-gray);
}

.required { color: #DC2626; }

.input-wrapper {
    position: relative;
    width: 100%;
}

.input-icon {
    position: absolute;
    top: 50%;
    right: 15px;
    transform: translateY(-50%);
    color: var(--text-muted);
    transition: var(--transition-smooth);
}

.textarea-icon {
    top: 25px;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 14px 45px 14px 15px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    font-family: var(--font-primary);
    font-size: 0.95rem;
    background-color: var(--secondary-color);
    transition: var(--transition-smooth);
    color: var(--dark-gray);
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(230, 97, 0, 0.1);
}

.form-group input:focus + .input-icon, .form-group textarea:focus + .input-icon {
    color: var(--primary-color);
}

/* Validation Styling */
.form-group.error input, .form-group.error textarea {
    border-color: #DC2626;
    background-color: #FEF2F2;
}

.error-msg {
    color: #DC2626;
    font-size: 0.85rem;
    font-weight: 600;
    display: none;
    margin-top: 5px;
}

.form-group.error .error-msg {
    display: block;
}

.success-alert {
    background-color: #DCFCE7;
    color: #15803D;
    padding: 15px;
    border-radius: 10px;
    font-weight: 600;
    margin-top: 20px;
    display: none;
    align-items: center;
    gap: 10px;
    border: 1px solid #BBF7D0;
}

/* ==========================================================================
   10. LEGAL PAGES STRUCTURING (صفحات الخصوصية والشروط)
   ========================================================================== */
.page-title-section {
    background-color: var(--dark-gray);
    color: var(--secondary-color);
    padding: 80px 0;
    text-align: center;
}

.page-title-section h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 15px;
}

.page-title-section p {
    color: rgba(255,255,255,0.7);
    font-size: 1.1rem;
}

.legal-container {
    max-width: 900px;
}

.last-updated {
    font-size: 0.9rem;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 15px;
    margin-bottom: 30px;
}

.legal-block {
    margin-bottom: 35px;
}

.legal-block h2 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.legal-block p {
    color: #475569;
    margin-bottom: 15px;
    text-align: justify;
}

.legal-block ul {
    padding-right: 20px;
}

.legal-block ul li {
    position: relative;
    padding-right: 15px;
    margin-bottom: 10px;
    color: #475569;
}

.legal-block ul li::before {
    content: '•';
    position: absolute;
    right: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* ==========================================================================
   11. WHATSAPP FLOATING BUTTON (زر واتساب العائم والمتحرك)
   ========================================================================== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2.2rem;
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition-smooth);
    animation: pulseWhatsApp 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1) rotate(15deg);
    background-color: #20BA5A;
}

@keyframes pulseWhatsApp {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5); }
    70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* ==========================================================================
   12. FOOTER (التذييل)
   ========================================================================== */
.main-footer {
    background-color: var(--dark-gray);
    color: var(--secondary-color);
    padding: 70px 0 20px 0;
    border-top: 4px solid var(--primary-color);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 1fr;
    gap: 60px;
    margin-bottom: 50px;
}

.footer-brand p {
    color: rgba(255,255,255,0.6);
    margin-top: 20px;
    font-size: 0.95rem;
}

.footer-links h4, .footer-contact h4 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
}

.footer-links h4::after, .footer-contact h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 40px;
    height: 2px;
    background-color: var(--primary-color);
}

.footer-links ul li {
    margin-bottom: 12px;
}

.footer-links ul li a {
    color: rgba(255,255,255,0.7);
    font-size: 0.95rem;
}

.footer-links ul li a:hover {
    color: var(--primary-color);
    padding-right: 5px;
}

.footer-contact p {
    color: rgba(255,255,255,0.7);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
}

.footer-contact p i {
    color: var(--primary-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
}

.footer-bottom p {
    color: rgba(255,255,255,0.4);
    font-size: 0.9rem;
}

/* ==========================================================================
   13. ENGINE ANIMATION SCROLL CODES (إعدادات حركات التمرير والظهور)
   ========================================================================== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-left {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-right {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.active, .reveal-left.active, .reveal-right.active {
    opacity: 1;
    transform: translateY(0) translateX(0);
}

/* ==========================================================================
   14. RESPONSIVE DESIGN (ملاءمة الشاشات المتجاوبة)
   ========================================================================== */
@media (max-width: 1024px) {
    .hero-title { font-size: 2.8rem; }
    .hero-grid { gap: 30px; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
    .footer-brand { grid-column: span 2; }
}

@media (max-width: 768px) {
    .main-nav {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--dark-gray);
        transition: var(--transition-smooth);
        padding: 40px;
        z-index: 999;
    }
    
    .main-nav.active { left: 0; }
    .main-nav ul { flex-direction: column; gap: 25px; }
    .main-nav ul li a { color: var(--secondary-color); font-size: 1.2rem; }
    
    .mobile-menu-toggle { display: block; }
    .main-header.sticky .mobile-menu-toggle { color: var(--dark-gray); }
    
    .hero-grid { grid-template-columns: 1fr; text-align: center; }
    .hero-description { margin: 0 auto 30px auto; }
    .hero-actions { justify-content: center; }
    .hero-image-wrapper { height: 350px; order: -1; }
    
    .vision-mission-grid, .contact-grid { grid-template-columns: 1fr; }
    .features-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-brand { grid-column: span 1; }
    
    .section-title { font-size: 2rem; }
}