/**
 * GC Technologies - Enhanced Base Styles
 * Modern IT Corporate Design - Version 2.0
 */

/* ============================================
   IMPORTS & FONTS
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&display=swap');

/* ============================================
   CSS VARIABLES & THEME SYSTEM
   ============================================ */
:root {
    /* Brand Colors */
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --secondary: #10b981;
    --accent: #06b6d4;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-tech: linear-gradient(135deg, #2563eb 0%, #06b6d4 100%);
    --gradient-dark: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    
    /* Neutral Colors - Light */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-tertiary: #64748b;
    --border: #e2e8f0;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 12px 28px rgba(0,0,0,0.15);
    --shadow-xl: 0 20px 40px rgba(0,0,0,0.2);
    
    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(255, 255, 255, 0.18);
    --glass-shadow: 0 8px 32px rgba(31, 38, 135, 0.1);
    
    /* Spacing Scale */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    
    /* Typography */
    --font-primary: 'Poppins', -apple-system, sans-serif;
    --font-arabic: 'Cairo', 'Segoe UI', sans-serif;
    
    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Container */
    --container-max: 1280px;
    --container-padding: 1.5rem;
}

/* Dark Mode */
[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-tertiary: #94a3b8;
    --border: #334155;
    --glass-bg: rgba(15, 23, 42, 0.8);
    --glass-border: rgba(255, 255, 255, 0.1);
}

/* ============================================
   RESET & BASE
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    transition: var(--transition);
    overflow-x: hidden;
    position: relative;
}

/* Grid Pattern Animation - Appears on all pages */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(90deg, rgba(37, 99, 235, 0.03) 1px, transparent 1px),
        linear-gradient(rgba(37, 99, 235, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    z-index: 0;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { 
        transform: translate(0, 0); 
    }
    100% { 
        transform: translate(60px, 60px); 
    }
}

/* Ensure content is above the grid pattern */
.navbar,
.main-content,
.footer,
section {
    position: relative;
    z-index: 1;
}

body.rtl {
    font-family: var(--font-arabic);
    direction: rtl;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-4);
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

p {
    margin-bottom: var(--space-4);
    color: var(--text-secondary);
    line-height: 1.7;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: var(--primary-dark);
}

/* ============================================
   LAYOUT
   ============================================ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.main-content {
    min-height: calc(100vh - 400px);
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    transition: var(--transition);
}

.navbar {
    padding: var(--space-4) 0;
}

.navbar-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-8);
}

.navbar-brand .logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--text-primary);
}

.logo-img {
    height: 36px;
    width: auto;
}

.logo-text {
    background: var(--gradient-tech);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: var(--space-8);
    flex: 1;
    justify-content: space-between;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    list-style: none;
}

.nav-link {
    position: relative;
    padding: var(--space-2) var(--space-4);
    color: var(--text-primary);
    font-weight: 500;
    font-size: var(--text-sm);
    display: flex;
    align-items: center;
    gap: var(--space-1);
    border-radius: var(--radius);
    transition: var(--transition-fast);
}

.nav-link:hover {
    background: var(--bg-tertiary);
    color: var(--primary);
}

.dropdown-icon {
    font-size: 0.7rem;
    transition: var(--transition-fast);
}

/* Dropdown */
.has-dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + var(--space-2));
    left: 0;
    min-width: 240px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-2);
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
}

.has-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.has-dropdown:hover .dropdown-icon {
    transform: rotate(180deg);
}

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu a {
    display: block;
    padding: var(--space-2) var(--space-4);
    color: var(--text-primary);
    border-radius: var(--radius);
    font-size: var(--text-sm);
    transition: var(--transition-fast);
}

.dropdown-menu a:hover {
    background: var(--bg-tertiary);
    color: var(--primary);
    transform: translateX(4px);
}

body.rtl .dropdown-menu a:hover {
    transform: translateX(-4px);
}

/* Navbar Actions */
.navbar-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.action-btn {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border);
    background: var(--bg-primary);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: var(--text-sm);
    transition: var(--transition-fast);
}

.action-btn:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.lang-switcher {
    gap: var(--space-2);
    width: auto;
    padding: 0 var(--space-4);
    font-size: var(--text-xs);
    font-weight: 600;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-fast);
    border-radius: 2px;
}

/* Search Overlay */
.search-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.search-overlay.active {
    opacity: 1;
    visibility: visible;
}

.search-container {
    position: relative;
    width: 90%;
    max-width: 600px;
}

.search-close {
    position: absolute;
    top: -50px;
    right: 0;
    background: none;
    border: none;
    color: white;
    font-size: var(--text-3xl);
    cursor: pointer;
    transition: var(--transition-fast);
}

.search-close:hover {
    transform: rotate(90deg);
}

.search-form {
    display: flex;
    gap: var(--space-3);
}

.search-input {
    flex: 1;
    padding: var(--space-4) var(--space-6);
    border: 2px solid var(--border);
    border-radius: var(--radius-xl);
    font-size: var(--text-lg);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-primary);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

.search-submit {
    padding: var(--space-4) var(--space-8);
    background: var(--gradient-tech);
    color: white;
    border: none;
    border-radius: var(--radius-xl);
    cursor: pointer;
    font-size: var(--text-lg);
    font-weight: 600;
    transition: var(--transition-fast);
}

.search-submit:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-sm);
    font-weight: 600;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    font-family: var(--font-primary);
    white-space: nowrap;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 2px solid var(--border);
}

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--bg-secondary);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
}

.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-xs);
}

/* ============================================
   CARDS
   ============================================ */
.card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    height: 100%;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.card-glass {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
}

.card-img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-4);
}

.card-title {
    font-size: var(--text-xl);
    margin-bottom: var(--space-2);
    font-weight: 600;
}

.card-text {
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
    font-size: var(--text-sm);
    line-height: 1.6;
}

/* ============================================
   GRID
   ============================================ */
.grid {
    display: grid;
    gap: var(--space-6);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ============================================
   SECTIONS
   ============================================ */
.section {
    padding: var(--space-16) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-12);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-4);
    background: var(--gradient-tech);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    line-height: 1.7;
}

.section-label {
    text-transform: uppercase;
    font-size: var(--text-xs);
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 0.1em;
    margin-bottom: var(--space-2);
}

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

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

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

.animate-in {
    animation: fadeInUp 0.6s ease-out forwards;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    margin-top: var(--space-16);
}

.footer-main {
    padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-8);
}

.footer-brand {
    margin-bottom: var(--space-4);
}

.footer-logo {
    height: 36px;
    margin-bottom: var(--space-3);
}

.footer-title {
    font-size: var(--text-lg);
    margin-bottom: var(--space-4);
    font-weight: 600;
}

.footer-description {
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
    line-height: 1.7;
    font-size: var(--text-sm);
}

.footer-social {
    display: flex;
    gap: var(--space-3);
}

.footer-social a {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    transition: var(--transition-fast);
}

.footer-social a:hover {
    background: var(--gradient-tech);
    color: white;
    transform: translateY(-3px);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--space-2);
}

.footer-links a {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: var(--space-2);
}

body.rtl .footer-links a:hover {
    padding-left: 0;
    padding-right: var(--space-2);
}

.footer-contact {
    list-style: none;
}

.footer-contact li {
    display: flex;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
    color: var(--text-secondary);
    font-size: var(--text-sm);
}

.footer-contact i {
    color: var(--primary);
    width: 20px;
}

/* Newsletter */
.footer-newsletter {
    background: var(--bg-tertiary);
    padding: var(--space-12) 0;
}

.newsletter-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-8);
    flex-wrap: wrap;
}

.newsletter-text h3 {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-2);
}

.newsletter-text p {
    color: var(--text-secondary);
    font-size: var(--text-sm);
}

.newsletter-form {
    display: flex;
    gap: var(--space-3);
    flex: 1;
    max-width: 500px;
}

.newsletter-input {
    flex: 1;
    padding: var(--space-3) var(--space-5);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: var(--text-sm);
    font-family: var(--font-primary);
}

.newsletter-input:focus {
    outline: none;
    border-color: var(--primary);
}

.newsletter-button {
    padding: var(--space-3) var(--space-6);
    background: var(--gradient-tech);
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    font-weight: 600;
    font-size: var(--text-sm);
    transition: var(--transition-fast);
}

.newsletter-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.newsletter-message {
    margin-top: var(--space-3);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius);
    font-size: var(--text-sm);
    display: none;
}

.newsletter-message.success {
    background: #d1fae5;
    color: #065f46;
    display: block;
}

.newsletter-message.error {
    background: #fee2e2;
    color: #991b1b;
    display: block;
}

/* Footer Bottom */
.footer-bottom {
    padding: var(--space-6) 0;
    border-top: 1px solid var(--border);
}

.footer-bottom-content {
    text-align: center;
}

.footer-copyright,
.footer-company-group {
    color: var(--text-tertiary);
    font-size: var(--text-xs);
    margin-bottom: var(--space-2);
}

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: var(--space-8);
    right: var(--space-8);
    width: 48px;
    height: 48px;
    background: var(--gradient-tech);
    color: white;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
    z-index: 999;
}

body.rtl .back-to-top {
    right: auto;
    left: var(--space-8);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

/* ============================================
   FORMS
   ============================================ */
.form-group {
    margin-bottom: var(--space-5);
}

.form-label {
    display: block;
    margin-bottom: var(--space-2);
    font-weight: 500;
    color: var(--text-primary);
    font-size: var(--text-sm);
}

.form-control {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: var(--text-sm);
    font-family: var(--font-primary);
    transition: var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

/* ============================================
   UTILITIES
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mt-4 { margin-top: var(--space-4); }
.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: var(--space-4); }

.hidden { display: none !important; }
.visible { display: block !important; }