/* شات مرح - ملف التصميم الرئيسي للموقع الكبير */

/* استيراد الخطوط العربية */
@import url('https://fonts.googleapis.com/css2?family=Amiri:wght@400;700&family=Cairo:wght@300;400;600;700;900&family=Tajawal:wght@300;400;500;700;900&display=swap');

/* المتغيرات الأساسية */
:root {
    --primary-color: #ff6b35;
    --primary-light: #ff8a65;
    --primary-dark: #e64a19;
    --secondary-color: #4caf50;
    --secondary-light: #81c784;
    --secondary-dark: #388e3c;
    --accent-color: #2196f3;
    --accent-light: #64b5f6;
    --accent-dark: #1976d2;
    --warning-color: #ff9800;
    --danger-color: #f44336;
    --success-color: #4caf50;
    --text-color: #212121;
    --text-light: #757575;
    --text-white: #ffffff;
    --bg-color: #fafafa;
    --bg-white: #ffffff;
    --bg-dark: #263238;
    --bg-gradient: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    --bg-gradient-alt: linear-gradient(135deg, var(--secondary-color) 0%, var(--accent-color) 100%);
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.15);
    --shadow-large: 0 10px 40px rgba(0, 0, 0, 0.2);
    --border-radius: 12px;
    --border-radius-large: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
    --max-width: 1400px;
}

/* إعادة تعيين الأساسيات */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Cairo', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.7;
    color: var(--text-color);
    background: var(--bg-color);
    direction: rtl;
    text-align: right;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* العناوين */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Amiri', serif;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-color);
    line-height: 1.3;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

/* الفقرات */
p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

/* الروابط */
a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
    position: relative;
}

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

a:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* الحاوي الرئيسي */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

.container-fluid {
    width: 100%;
    padding: 0 20px;
}

/* الشبكة المرنة */
.grid {
    display: grid;
    gap: 2rem;
}

.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }

/* الفليكس */
.flex {
    display: flex;
    gap: 1rem;
}

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.flex-wrap {
    flex-wrap: wrap;
}

/* الهيدر الرئيسي */
.header {
    background: var(--bg-gradient);
    color: var(--text-white);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(255, 107, 53, 0.95);
    backdrop-filter: blur(20px);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 900;
    color: var(--text-white);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.logo::before {
    content: "🎉";
    font-size: 1.2em;
    animation: bounce 2s infinite;
}

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

/* القائمة الرئيسية */
.nav {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-wrap: wrap;
}

.nav a {
    color: var(--text-white);
    font-weight: 600;
    padding: 0.75rem 1.25rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.nav a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transition: var(--transition);
    z-index: -1;
}

.nav a:hover::before {
    left: 0;
}

.nav a:hover {
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.nav a.active {
    background: rgba(255, 255, 255, 0.2);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* القائمة المنسدلة */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--bg-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-large);
    padding: 0.5rem 0;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    z-index: 1000;
}

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

.dropdown-menu a {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--text-color);
    font-weight: 500;
    border-radius: 0;
    transition: var(--transition-fast);
}

.dropdown-menu a:hover {
    background: var(--bg-color);
    color: var(--primary-color);
    transform: translateX(-5px);
}

/* البانر الرئيسي */
.hero {
    background: var(--bg-gradient);
    color: var(--text-white);
    padding: 6rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 70vh;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/modern/chat-app.jpg') center/cover;
    opacity: 0.1;
    z-index: 0;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, var(--primary-color) 0%, transparent 50%, var(--accent-color) 100%);
    opacity: 0.8;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease-out;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero p {
    font-size: clamp(1rem, 2vw, 1.3rem);
    margin-bottom: 2.5rem;
    animation: fadeInUp 1s ease-out 0.2s both;
    opacity: 0.95;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.4s both;
}

/* الأزرار */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: var(--primary-color);
    color: var(--text-white);
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow);
    min-width: 140px;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: var(--transition);
}

.btn:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-hover);
    text-decoration: none;
    color: var(--text-white);
}

.btn:hover::before {
    left: 100%;
}

.btn:active {
    transform: translateY(-1px) scale(0.98);
}

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

.btn-secondary:hover {
    background: var(--text-white);
    color: var(--primary-color);
}

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

.btn-accent:hover {
    background: var(--accent-dark);
}

.btn-success {
    background: var(--success-color);
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.1rem;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

/* الأقسام */
.section {
    padding: 5rem 0;
    position: relative;
}

.section-alt {
    background: var(--bg-white);
}

.section-dark {
    background: var(--bg-dark);
    color: var(--text-white);
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--bg-gradient);
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* البطاقات */
.card {
    background: var(--bg-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    overflow: hidden;
    position: relative;
}

.card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-hover);
}

.card-header {
    padding: 1.5rem;
    border-bottom: 1px solid #eee;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-color) 100%);
    color: var(--text-white);
}

.card-body {
    padding: 2rem;
}

.card-footer {
    padding: 1rem 2rem;
    border-top: 1px solid #eee;
    background: var(--bg-color);
}

.card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: var(--transition);
}

.card:hover .card-image {
    transform: scale(1.1);
}

/* شبكة الميزات */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
    border-top: 4px solid var(--primary-color);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 107, 53, 0.05), transparent);
    transition: var(--transition);
}

.feature-card:hover::before {
    left: 100%;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-large);
    border-top-color: var(--accent-color);
}

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    display: block;
    animation: pulse 2s infinite;
}

.feature-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.7;
}

/* إحصائيات */
.stats {
    background: var(--bg-gradient);
    color: var(--text-white);
    padding: 4rem 0;
    text-align: center;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.stat-item {
    padding: 1.5rem;
}

.stat-number {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 0.5rem;
    display: block;
    color: var(--text-white);
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* التذييل */
.footer {
    background: var(--bg-dark);
    color: var(--text-white);
    padding: 4rem 0 2rem;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--bg-gradient);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

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

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.8rem;
}

.footer-section a {
    color: #ccc;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-section a:hover {
    color: var(--primary-light);
    transform: translateX(-5px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #444;
    color: #999;
    font-size: 0.9rem;
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--text-white);
    font-size: 1.2rem;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary-color);
    transform: translateY(-3px) scale(1.1);
}

/* الرسوم المتحركة */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* فئات الرسوم المتحركة */
.animate-fadeInUp { animation: fadeInUp 1s ease-out; }
.animate-fadeInDown { animation: fadeInDown 1s ease-out; }
.animate-fadeInLeft { animation: fadeInLeft 1s ease-out; }
.animate-fadeInRight { animation: fadeInRight 1s ease-out; }
.animate-pulse { animation: pulse 2s infinite; }
.animate-bounce { animation: bounce 2s infinite; }
.animate-rotate { animation: rotate 2s linear infinite; }

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

.text-primary { color: var(--primary-color); }
.text-secondary { color: var(--secondary-color); }
.text-accent { color: var(--accent-color); }
.text-light { color: var(--text-light); }
.text-white { color: var(--text-white); }

.bg-primary { background: var(--primary-color); }
.bg-secondary { background: var(--secondary-color); }
.bg-accent { background: var(--accent-color); }
.bg-white { background: var(--bg-white); }
.bg-dark { background: var(--bg-dark); }

.m-0 { margin: 0; }
.m-1 { margin: 0.5rem; }
.m-2 { margin: 1rem; }
.m-3 { margin: 1.5rem; }
.m-4 { margin: 2rem; }

.p-0 { padding: 0; }
.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }

.rounded { border-radius: var(--border-radius); }
.rounded-large { border-radius: var(--border-radius-large); }
.rounded-full { border-radius: 50%; }

.shadow { box-shadow: var(--shadow); }
.shadow-hover { box-shadow: var(--shadow-hover); }
.shadow-large { box-shadow: var(--shadow-large); }

/* التجاوب مع الشاشات */
@media (max-width: 1200px) {
    .container {
        padding: 0 30px;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 4rem 0;
        min-height: 60vh;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .nav {
        gap: 0.25rem;
    }
    
    .nav a {
        padding: 0.5rem 0.75rem;
        font-size: 0.9rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .section {
        padding: 3rem 0;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 20px;
    }
    
    .hero {
        padding: 3rem 0;
        min-height: 50vh;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .section {
        padding: 2rem 0;
    }
    
    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
        min-width: 120px;
    }
    
    .feature-card {
        padding: 2rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
}

/* تحسينات الأداء */
.lazy-load {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition);
}

.lazy-load.loaded {
    opacity: 1;
    transform: translateY(0);
}

/* تحسينات إمكانية الوصول */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* طباعة */
@media print {
    .header,
    .footer,
    .btn,
    .nav {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
        color: black;
        background: white;
    }
    
    .section {
        padding: 1rem 0;
    }
}